Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1 | /* |
| 2 | * This is the new netlink-based wireless configuration interface. |
| 3 | * |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <linux/if.h> |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/err.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 10 | #include <linux/slab.h> |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 11 | #include <linux/list.h> |
| 12 | #include <linux/if_ether.h> |
| 13 | #include <linux/ieee80211.h> |
| 14 | #include <linux/nl80211.h> |
| 15 | #include <linux/rtnetlink.h> |
| 16 | #include <linux/netlink.h> |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 17 | #include <linux/etherdevice.h> |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 18 | #include <net/net_namespace.h> |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 19 | #include <net/genetlink.h> |
| 20 | #include <net/cfg80211.h> |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 21 | #include <net/sock.h> |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 22 | #include "core.h" |
| 23 | #include "nl80211.h" |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 24 | #include "reg.h" |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 25 | |
Jouni Malinen | 5fb628e | 2011-08-10 23:54:35 +0300 | [diff] [blame] | 26 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type); |
| 27 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
| 28 | struct genl_info *info, |
| 29 | struct cfg80211_crypto_settings *settings, |
| 30 | int cipher_limit); |
| 31 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 32 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
| 33 | struct genl_info *info); |
| 34 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, |
| 35 | struct genl_info *info); |
| 36 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 37 | /* the netlink family */ |
| 38 | static struct genl_family nl80211_fam = { |
| 39 | .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */ |
| 40 | .name = "nl80211", /* have users key off the name instead */ |
| 41 | .hdrsize = 0, /* no private header */ |
| 42 | .version = 1, /* no particular meaning now */ |
| 43 | .maxattr = NL80211_ATTR_MAX, |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 44 | .netnsok = true, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 45 | .pre_doit = nl80211_pre_doit, |
| 46 | .post_doit = nl80211_post_doit, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 47 | }; |
| 48 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 49 | /* internal helper: get rdev and dev */ |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 50 | static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs, |
| 51 | struct cfg80211_registered_device **rdev, |
| 52 | struct net_device **dev) |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 53 | { |
| 54 | int ifindex; |
| 55 | |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 56 | if (!attrs[NL80211_ATTR_IFINDEX]) |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 57 | return -EINVAL; |
| 58 | |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 59 | ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 60 | *dev = dev_get_by_index(netns, ifindex); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 61 | if (!*dev) |
| 62 | return -ENODEV; |
| 63 | |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 64 | *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex); |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 65 | if (IS_ERR(*rdev)) { |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 66 | dev_put(*dev); |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 67 | return PTR_ERR(*rdev); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | return 0; |
| 71 | } |
| 72 | |
Johannes Berg | 6e0d19a | 2019-09-20 21:54:17 +0200 | [diff] [blame] | 73 | static int validate_beacon_head(const struct nlattr *attr) |
| 74 | { |
| 75 | const u8 *data = nla_data(attr); |
| 76 | unsigned int len = nla_len(attr); |
| 77 | const struct element *elem; |
| 78 | const struct ieee80211_mgmt *mgmt = (void *)data; |
| 79 | unsigned int fixedlen = offsetof(struct ieee80211_mgmt, |
| 80 | u.beacon.variable); |
| 81 | |
| 82 | if (len < fixedlen) |
| 83 | goto err; |
| 84 | |
| 85 | if (ieee80211_hdrlen(mgmt->frame_control) != |
| 86 | offsetof(struct ieee80211_mgmt, u.beacon)) |
| 87 | goto err; |
| 88 | |
| 89 | data += fixedlen; |
| 90 | len -= fixedlen; |
| 91 | |
| 92 | for_each_element(elem, data, len) { |
| 93 | /* nothing */ |
| 94 | } |
| 95 | |
| 96 | if (for_each_element_completed(elem, data, len)) |
| 97 | return 0; |
| 98 | |
| 99 | err: |
| 100 | return -EINVAL; |
| 101 | } |
| 102 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 103 | /* policy for the attributes */ |
Alexey Dobriyan | b54452b | 2010-02-18 08:14:31 +0000 | [diff] [blame] | 104 | static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 105 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
| 106 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, |
David S. Miller | 079e24e | 2009-05-26 21:15:00 -0700 | [diff] [blame] | 107 | .len = 20-1 }, |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 108 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
Jouni Malinen | 72bdcf3 | 2008-11-26 16:15:24 +0200 | [diff] [blame] | 109 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
Sujith | 094d05d | 2008-12-12 11:57:43 +0530 | [diff] [blame] | 110 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 111 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
| 112 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, |
| 113 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, |
| 114 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 115 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 116 | |
| 117 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, |
| 118 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, |
| 119 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 120 | |
Eliad Peller | e007b85 | 2011-11-24 18:13:56 +0200 | [diff] [blame] | 121 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
| 122 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 123 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 124 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 125 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
| 126 | .len = WLAN_MAX_KEY_LEN }, |
| 127 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, |
| 128 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, |
| 129 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, |
Jouni Malinen | 8196226 | 2011-11-02 23:36:31 +0200 | [diff] [blame] | 130 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 131 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 132 | |
| 133 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, |
| 134 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, |
| 135 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, |
| 136 | .len = IEEE80211_MAX_DATA_LEN }, |
| 137 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, |
| 138 | .len = IEEE80211_MAX_DATA_LEN }, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 139 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
| 140 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, |
| 141 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, |
| 142 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, |
| 143 | .len = NL80211_MAX_SUPP_RATES }, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 144 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 145 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
Johannes Berg | 0a9542e | 2008-10-15 11:54:04 +0200 | [diff] [blame] | 146 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 147 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
| 148 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
| 149 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 150 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 151 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
| 152 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, |
| 153 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 154 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
| 155 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, |
| 156 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, |
Jouni Malinen | 90c97a0 | 2008-10-30 16:59:22 +0200 | [diff] [blame] | 157 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
| 158 | .len = NL80211_MAX_SUPP_RATES }, |
Helmut Schaa | 50b12f5 | 2010-11-19 12:40:25 +0100 | [diff] [blame] | 159 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
Jouni Malinen | 36aedc9 | 2008-08-25 11:58:58 +0300 | [diff] [blame] | 160 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 161 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
Javier Cardona | 15d5dda | 2011-04-07 15:08:28 -0700 | [diff] [blame] | 162 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 163 | |
Johannes Berg | 6c73941 | 2011-11-03 09:27:01 +0100 | [diff] [blame] | 164 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
Jouni Malinen | 9aed3cc | 2009-01-13 16:03:29 +0200 | [diff] [blame] | 165 | |
| 166 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, |
| 167 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, |
| 168 | .len = IEEE80211_MAX_DATA_LEN }, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 169 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
| 170 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 171 | |
| 172 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, |
| 173 | .len = IEEE80211_MAX_SSID_LEN }, |
| 174 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, |
| 175 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 176 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 177 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
Jouni Malinen | dc6382c | 2009-05-06 22:09:37 +0300 | [diff] [blame] | 178 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 179 | [NL80211_ATTR_STA_FLAGS2] = { |
| 180 | .len = sizeof(struct nl80211_sta_flag_update), |
| 181 | }, |
Jouni Malinen | 3f77316c | 2009-05-11 21:57:57 +0300 | [diff] [blame] | 182 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 183 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
| 184 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 185 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
Sergey Matyukevich | 8f3b520 | 2020-02-13 13:16:16 +0000 | [diff] [blame] | 186 | [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 }, |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 187 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, |
| 188 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 189 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
Felix Fietkau | 8b78764 | 2009-11-10 18:53:10 +0100 | [diff] [blame] | 190 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
Srinivas Dasari | 551f0bd | 2017-07-07 01:43:39 +0300 | [diff] [blame] | 191 | [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN }, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 192 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
| 193 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 194 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 195 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
| 196 | .len = IEEE80211_MAX_DATA_LEN }, |
| 197 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 198 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 199 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 200 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
Felix Fietkau | fd8aaaf | 2010-04-27 01:23:35 +0200 | [diff] [blame] | 201 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
Juuso Oikarinen | 98d2ff8 | 2010-06-23 12:12:38 +0300 | [diff] [blame] | 202 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
| 203 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 204 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
Bruno Randolf | afe0cbf | 2010-11-10 12:50:50 +0900 | [diff] [blame] | 205 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
| 206 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, |
Felix Fietkau | 885a46d | 2010-11-11 15:07:22 +0100 | [diff] [blame] | 207 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 208 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 209 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 210 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 211 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
Luciano Coelho | bbe6ad6 | 2011-05-11 17:09:37 +0300 | [diff] [blame] | 212 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 213 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 214 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
Jouni Malinen | 32e9de8 | 2011-08-10 23:53:31 +0300 | [diff] [blame] | 215 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 216 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
| 217 | .len = IEEE80211_MAX_DATA_LEN }, |
| 218 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, |
| 219 | .len = IEEE80211_MAX_DATA_LEN }, |
Vivek Natarajan | f4b34b5 | 2011-08-29 14:23:03 +0530 | [diff] [blame] | 220 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 221 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
Rajkumar Manoharan | e9f935e | 2011-09-25 14:53:30 +0530 | [diff] [blame] | 222 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 223 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
| 224 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, |
| 225 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, |
| 226 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, |
| 227 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 228 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
Arik Nemtsov | 00f740e | 2011-11-10 11:28:56 +0200 | [diff] [blame] | 229 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
| 230 | .len = IEEE80211_MAX_DATA_LEN }, |
Luis R. Rodriguez | 8b60b07 | 2011-10-11 10:59:02 -0700 | [diff] [blame] | 231 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 232 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
| 233 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { |
| 234 | .len = NL80211_HT_CAPABILITY_LEN |
| 235 | }, |
Simon Wunderlich | 1d9d921 | 2011-11-18 14:20:43 +0100 | [diff] [blame] | 236 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
Vasanthakumar Thiagarajan | 1b658f1 | 2012-03-02 15:50:02 +0530 | [diff] [blame] | 237 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
Bala Shanmugam | 4486ea9 | 2012-03-07 17:27:12 +0530 | [diff] [blame] | 238 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
Mahesh Palivela | cf7f78d | 2012-10-11 08:04:52 +0000 | [diff] [blame] | 239 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
| 240 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
| 241 | [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, }, |
| 242 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
Srinivas Dasari | 54bf0df | 2017-07-07 01:43:41 +0300 | [diff] [blame] | 243 | [NL80211_ATTR_LOCAL_MESH_POWER_MODE] = {. type = NLA_U32 }, |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 244 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
| 245 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 246 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
| 247 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, |
Jouni Malinen | 2b4303f | 2013-03-19 14:30:49 +0530 | [diff] [blame] | 248 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
| 249 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
| 250 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { |
| 251 | .len = NL80211_VHT_CAPABILITY_LEN, |
| 252 | }, |
| 253 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
| 254 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, |
| 255 | .len = IEEE80211_MAX_DATA_LEN }, |
Jouni Malinen | d0a8ac3 | 2013-06-04 19:26:05 +0530 | [diff] [blame] | 256 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
Naresh Jayaram | 23a9c6c | 2014-01-03 14:46:34 +0530 | [diff] [blame] | 257 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
| 258 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 259 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
| 260 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, |
| 261 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, |
| 262 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 }, |
| 263 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 }, |
| 264 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
| 265 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, |
| 266 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
| 267 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
| 268 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
| 269 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, |
| 270 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, |
Kyeyoon Park | 1368a38 | 2014-04-17 19:57:34 +0530 | [diff] [blame] | 271 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
| 272 | .len = IEEE80211_QOS_MAP_LEN_MAX }, |
Jouni Malinen | 8699744 | 2014-04-17 22:49:32 +0530 | [diff] [blame] | 273 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
| 274 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, |
Sunil Dutt | 3db727f | 2014-04-17 23:15:25 +0530 | [diff] [blame] | 275 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 276 | }; |
| 277 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 278 | /* policy for the key attributes */ |
Alexey Dobriyan | b54452b | 2010-02-18 08:14:31 +0000 | [diff] [blame] | 279 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 280 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 281 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
| 282 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, |
Jouni Malinen | 8196226 | 2011-11-02 23:36:31 +0200 | [diff] [blame] | 283 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 284 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
| 285 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 286 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 287 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
| 288 | }; |
| 289 | |
| 290 | /* policy for the key default flags */ |
| 291 | static const struct nla_policy |
| 292 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { |
| 293 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, |
| 294 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 295 | }; |
| 296 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 297 | /* policy for WoWLAN attributes */ |
| 298 | static const struct nla_policy |
| 299 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { |
| 300 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, |
| 301 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, |
| 302 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, |
| 303 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, |
Johannes Berg | 77dbbb1 | 2011-07-13 10:48:55 +0200 | [diff] [blame] | 304 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
| 305 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, |
| 306 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, |
| 307 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 308 | }; |
| 309 | |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 310 | /* policy for GTK rekey offload attributes */ |
| 311 | static const struct nla_policy |
| 312 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { |
| 313 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, |
| 314 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, |
| 315 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, |
| 316 | }; |
| 317 | |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 318 | static const struct nla_policy |
| 319 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { |
| 320 | [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY, |
| 321 | .len = IEEE80211_MAX_SSID_LEN }, |
| 322 | }; |
| 323 | |
Holger Schurig | a043897 | 2009-11-11 11:30:02 +0100 | [diff] [blame] | 324 | /* ifidx get helper */ |
| 325 | static int nl80211_get_ifidx(struct netlink_callback *cb) |
| 326 | { |
| 327 | int res; |
| 328 | |
| 329 | res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
| 330 | nl80211_fam.attrbuf, nl80211_fam.maxattr, |
| 331 | nl80211_policy); |
| 332 | if (res) |
| 333 | return res; |
| 334 | |
| 335 | if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) |
| 336 | return -EINVAL; |
| 337 | |
| 338 | res = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); |
| 339 | if (!res) |
| 340 | return -EINVAL; |
| 341 | return res; |
| 342 | } |
| 343 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 344 | static int nl80211_prepare_netdev_dump(struct sk_buff *skb, |
| 345 | struct netlink_callback *cb, |
| 346 | struct cfg80211_registered_device **rdev, |
| 347 | struct net_device **dev) |
| 348 | { |
| 349 | int ifidx = cb->args[0]; |
| 350 | int err; |
| 351 | |
| 352 | if (!ifidx) |
| 353 | ifidx = nl80211_get_ifidx(cb); |
| 354 | if (ifidx < 0) |
| 355 | return ifidx; |
| 356 | |
| 357 | cb->args[0] = ifidx; |
| 358 | |
| 359 | rtnl_lock(); |
| 360 | |
| 361 | *dev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
| 362 | if (!*dev) { |
| 363 | err = -ENODEV; |
| 364 | goto out_rtnl; |
| 365 | } |
| 366 | |
| 367 | *rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx); |
Felix Fietkau | 3cc25e5 | 2010-10-31 15:31:54 +0100 | [diff] [blame] | 368 | if (IS_ERR(*rdev)) { |
| 369 | err = PTR_ERR(*rdev); |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 370 | goto out_rtnl; |
| 371 | } |
| 372 | |
| 373 | return 0; |
| 374 | out_rtnl: |
| 375 | rtnl_unlock(); |
| 376 | return err; |
| 377 | } |
| 378 | |
| 379 | static void nl80211_finish_netdev_dump(struct cfg80211_registered_device *rdev) |
| 380 | { |
| 381 | cfg80211_unlock_rdev(rdev); |
| 382 | rtnl_unlock(); |
| 383 | } |
| 384 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 385 | /* IE validation */ |
| 386 | static bool is_valid_ie_attr(const struct nlattr *attr) |
| 387 | { |
| 388 | const u8 *pos; |
| 389 | int len; |
| 390 | |
| 391 | if (!attr) |
| 392 | return true; |
| 393 | |
| 394 | pos = nla_data(attr); |
| 395 | len = nla_len(attr); |
| 396 | |
| 397 | while (len) { |
| 398 | u8 elemlen; |
| 399 | |
| 400 | if (len < 2) |
| 401 | return false; |
| 402 | len -= 2; |
| 403 | |
| 404 | elemlen = pos[1]; |
| 405 | if (elemlen > len) |
| 406 | return false; |
| 407 | |
| 408 | len -= elemlen; |
| 409 | pos += 2 + elemlen; |
| 410 | } |
| 411 | |
| 412 | return true; |
| 413 | } |
| 414 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 415 | /* message building helper */ |
| 416 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, |
| 417 | int flags, u8 cmd) |
| 418 | { |
| 419 | /* since there is no private header just add the generic one */ |
| 420 | return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); |
| 421 | } |
| 422 | |
Luis R. Rodriguez | 5dab3b8 | 2009-04-02 14:08:08 -0400 | [diff] [blame] | 423 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
| 424 | struct ieee80211_channel *chan) |
| 425 | { |
| 426 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
| 427 | chan->center_freq); |
| 428 | |
| 429 | if (chan->flags & IEEE80211_CHAN_DISABLED) |
| 430 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED); |
| 431 | if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) |
| 432 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN); |
| 433 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) |
| 434 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS); |
| 435 | if (chan->flags & IEEE80211_CHAN_RADAR) |
| 436 | NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR); |
| 437 | |
| 438 | NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
| 439 | DBM_TO_MBM(chan->max_power)); |
| 440 | |
| 441 | return 0; |
| 442 | |
| 443 | nla_put_failure: |
| 444 | return -ENOBUFS; |
| 445 | } |
| 446 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 447 | /* netlink command implementations */ |
| 448 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 449 | struct key_parse { |
| 450 | struct key_params p; |
| 451 | int idx; |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 452 | int type; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 453 | bool def, defmgmt; |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 454 | bool def_uni, def_multi; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 455 | }; |
| 456 | |
| 457 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) |
| 458 | { |
| 459 | struct nlattr *tb[NL80211_KEY_MAX + 1]; |
| 460 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, |
| 461 | nl80211_key_policy); |
| 462 | if (err) |
| 463 | return err; |
| 464 | |
| 465 | k->def = !!tb[NL80211_KEY_DEFAULT]; |
| 466 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; |
| 467 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 468 | if (k->def) { |
| 469 | k->def_uni = true; |
| 470 | k->def_multi = true; |
| 471 | } |
| 472 | if (k->defmgmt) |
| 473 | k->def_multi = true; |
| 474 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 475 | if (tb[NL80211_KEY_IDX]) |
| 476 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); |
| 477 | |
| 478 | if (tb[NL80211_KEY_DATA]) { |
| 479 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); |
| 480 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); |
| 481 | } |
| 482 | |
| 483 | if (tb[NL80211_KEY_SEQ]) { |
| 484 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); |
| 485 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); |
| 486 | } |
| 487 | |
| 488 | if (tb[NL80211_KEY_CIPHER]) |
| 489 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); |
| 490 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 491 | if (tb[NL80211_KEY_TYPE]) { |
| 492 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); |
| 493 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) |
| 494 | return -EINVAL; |
| 495 | } |
| 496 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 497 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
| 498 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; |
Johannes Berg | 2da8f41 | 2012-01-20 13:52:37 +0100 | [diff] [blame] | 499 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
| 500 | tb[NL80211_KEY_DEFAULT_TYPES], |
| 501 | nl80211_key_default_policy); |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 502 | if (err) |
| 503 | return err; |
| 504 | |
| 505 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; |
| 506 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; |
| 507 | } |
| 508 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 509 | return 0; |
| 510 | } |
| 511 | |
| 512 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) |
| 513 | { |
| 514 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { |
| 515 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); |
| 516 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); |
| 517 | } |
| 518 | |
| 519 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { |
| 520 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); |
| 521 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); |
| 522 | } |
| 523 | |
| 524 | if (info->attrs[NL80211_ATTR_KEY_IDX]) |
| 525 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); |
| 526 | |
| 527 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) |
| 528 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); |
| 529 | |
| 530 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; |
| 531 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; |
| 532 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 533 | if (k->def) { |
| 534 | k->def_uni = true; |
| 535 | k->def_multi = true; |
| 536 | } |
| 537 | if (k->defmgmt) |
| 538 | k->def_multi = true; |
| 539 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 540 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
| 541 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); |
| 542 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) |
| 543 | return -EINVAL; |
| 544 | } |
| 545 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 546 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
| 547 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; |
| 548 | int err = nla_parse_nested( |
| 549 | kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
| 550 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], |
| 551 | nl80211_key_default_policy); |
| 552 | if (err) |
| 553 | return err; |
| 554 | |
| 555 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; |
| 556 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; |
| 557 | } |
| 558 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 559 | return 0; |
| 560 | } |
| 561 | |
| 562 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) |
| 563 | { |
| 564 | int err; |
| 565 | |
| 566 | memset(k, 0, sizeof(*k)); |
| 567 | k->idx = -1; |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 568 | k->type = -1; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 569 | |
| 570 | if (info->attrs[NL80211_ATTR_KEY]) |
| 571 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); |
| 572 | else |
| 573 | err = nl80211_parse_key_old(info, k); |
| 574 | |
| 575 | if (err) |
| 576 | return err; |
| 577 | |
| 578 | if (k->def && k->defmgmt) |
| 579 | return -EINVAL; |
| 580 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 581 | if (k->defmgmt) { |
| 582 | if (k->def_uni || !k->def_multi) |
| 583 | return -EINVAL; |
| 584 | } |
| 585 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 586 | if (k->idx != -1) { |
| 587 | if (k->defmgmt) { |
| 588 | if (k->idx < 4 || k->idx > 5) |
| 589 | return -EINVAL; |
| 590 | } else if (k->def) { |
| 591 | if (k->idx < 0 || k->idx > 3) |
| 592 | return -EINVAL; |
| 593 | } else { |
| 594 | if (k->idx < 0 || k->idx > 5) |
| 595 | return -EINVAL; |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | return 0; |
| 600 | } |
| 601 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 602 | static struct cfg80211_cached_keys * |
| 603 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, |
| 604 | struct nlattr *keys) |
| 605 | { |
| 606 | struct key_parse parse; |
| 607 | struct nlattr *key; |
| 608 | struct cfg80211_cached_keys *result; |
| 609 | int rem, err, def = 0; |
| 610 | |
| 611 | result = kzalloc(sizeof(*result), GFP_KERNEL); |
| 612 | if (!result) |
| 613 | return ERR_PTR(-ENOMEM); |
| 614 | |
| 615 | result->def = -1; |
| 616 | result->defmgmt = -1; |
| 617 | |
| 618 | nla_for_each_nested(key, keys, rem) { |
| 619 | memset(&parse, 0, sizeof(parse)); |
| 620 | parse.idx = -1; |
| 621 | |
| 622 | err = nl80211_parse_key_new(key, &parse); |
| 623 | if (err) |
| 624 | goto error; |
| 625 | err = -EINVAL; |
| 626 | if (!parse.p.key) |
| 627 | goto error; |
| 628 | if (parse.idx < 0 || parse.idx > 4) |
| 629 | goto error; |
| 630 | if (parse.def) { |
| 631 | if (def) |
| 632 | goto error; |
| 633 | def = 1; |
| 634 | result->def = parse.idx; |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 635 | if (!parse.def_uni || !parse.def_multi) |
| 636 | goto error; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 637 | } else if (parse.defmgmt) |
| 638 | goto error; |
| 639 | err = cfg80211_validate_key_settings(rdev, &parse.p, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 640 | parse.idx, false, NULL); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 641 | if (err) |
| 642 | goto error; |
| 643 | result->params[parse.idx].cipher = parse.p.cipher; |
| 644 | result->params[parse.idx].key_len = parse.p.key_len; |
| 645 | result->params[parse.idx].key = result->data[parse.idx]; |
| 646 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); |
| 647 | } |
| 648 | |
| 649 | return result; |
| 650 | error: |
| 651 | kfree(result); |
| 652 | return ERR_PTR(err); |
| 653 | } |
| 654 | |
| 655 | static int nl80211_key_allowed(struct wireless_dev *wdev) |
| 656 | { |
| 657 | ASSERT_WDEV_LOCK(wdev); |
| 658 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 659 | switch (wdev->iftype) { |
| 660 | case NL80211_IFTYPE_AP: |
| 661 | case NL80211_IFTYPE_AP_VLAN: |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 662 | case NL80211_IFTYPE_P2P_GO: |
Thomas Pedersen | ff973af | 2011-05-03 16:57:12 -0700 | [diff] [blame] | 663 | case NL80211_IFTYPE_MESH_POINT: |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 664 | break; |
| 665 | case NL80211_IFTYPE_ADHOC: |
| 666 | if (!wdev->current_bss) |
| 667 | return -ENOLINK; |
| 668 | break; |
| 669 | case NL80211_IFTYPE_STATION: |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 670 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 671 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
| 672 | return -ENOLINK; |
| 673 | break; |
| 674 | default: |
| 675 | return -EINVAL; |
| 676 | } |
| 677 | |
| 678 | return 0; |
| 679 | } |
| 680 | |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 681 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
| 682 | { |
| 683 | struct nlattr *nl_modes = nla_nest_start(msg, attr); |
| 684 | int i; |
| 685 | |
| 686 | if (!nl_modes) |
| 687 | goto nla_put_failure; |
| 688 | |
| 689 | i = 0; |
| 690 | while (ifmodes) { |
| 691 | if (ifmodes & 1) |
| 692 | NLA_PUT_FLAG(msg, i); |
| 693 | ifmodes >>= 1; |
| 694 | i++; |
| 695 | } |
| 696 | |
| 697 | nla_nest_end(msg, nl_modes); |
| 698 | return 0; |
| 699 | |
| 700 | nla_put_failure: |
| 701 | return -ENOBUFS; |
| 702 | } |
| 703 | |
| 704 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, |
| 705 | struct sk_buff *msg) |
| 706 | { |
| 707 | struct nlattr *nl_combis; |
| 708 | int i, j; |
| 709 | |
| 710 | nl_combis = nla_nest_start(msg, |
| 711 | NL80211_ATTR_INTERFACE_COMBINATIONS); |
| 712 | if (!nl_combis) |
| 713 | goto nla_put_failure; |
| 714 | |
| 715 | for (i = 0; i < wiphy->n_iface_combinations; i++) { |
| 716 | const struct ieee80211_iface_combination *c; |
| 717 | struct nlattr *nl_combi, *nl_limits; |
| 718 | |
| 719 | c = &wiphy->iface_combinations[i]; |
| 720 | |
| 721 | nl_combi = nla_nest_start(msg, i + 1); |
| 722 | if (!nl_combi) |
| 723 | goto nla_put_failure; |
| 724 | |
| 725 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); |
| 726 | if (!nl_limits) |
| 727 | goto nla_put_failure; |
| 728 | |
| 729 | for (j = 0; j < c->n_limits; j++) { |
| 730 | struct nlattr *nl_limit; |
| 731 | |
| 732 | nl_limit = nla_nest_start(msg, j + 1); |
| 733 | if (!nl_limit) |
| 734 | goto nla_put_failure; |
| 735 | NLA_PUT_U32(msg, NL80211_IFACE_LIMIT_MAX, |
| 736 | c->limits[j].max); |
| 737 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
| 738 | c->limits[j].types)) |
| 739 | goto nla_put_failure; |
| 740 | nla_nest_end(msg, nl_limit); |
| 741 | } |
| 742 | |
| 743 | nla_nest_end(msg, nl_limits); |
| 744 | |
| 745 | if (c->beacon_int_infra_match) |
| 746 | NLA_PUT_FLAG(msg, |
| 747 | NL80211_IFACE_COMB_STA_AP_BI_MATCH); |
| 748 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, |
| 749 | c->num_different_channels); |
| 750 | NLA_PUT_U32(msg, NL80211_IFACE_COMB_MAXNUM, |
| 751 | c->max_interfaces); |
| 752 | |
| 753 | nla_nest_end(msg, nl_combi); |
| 754 | } |
| 755 | |
| 756 | nla_nest_end(msg, nl_combis); |
| 757 | |
| 758 | return 0; |
| 759 | nla_put_failure: |
| 760 | return -ENOBUFS; |
| 761 | } |
| 762 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 763 | static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
| 764 | struct cfg80211_registered_device *dev) |
| 765 | { |
| 766 | void *hdr; |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 767 | struct nlattr *nl_bands, *nl_band; |
| 768 | struct nlattr *nl_freqs, *nl_freq; |
| 769 | struct nlattr *nl_rates, *nl_rate; |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 770 | struct nlattr *nl_cmds; |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 771 | enum ieee80211_band band; |
| 772 | struct ieee80211_channel *chan; |
| 773 | struct ieee80211_rate *rate; |
| 774 | int i; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 775 | const struct ieee80211_txrx_stypes *mgmt_stypes = |
| 776 | dev->wiphy.mgmt_stypes; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 777 | |
| 778 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); |
| 779 | if (!hdr) |
| 780 | return -1; |
| 781 | |
Luis R. Rodriguez | b5850a7 | 2009-02-21 00:04:19 -0500 | [diff] [blame] | 782 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 783 | NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy)); |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 784 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 785 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
| 786 | cfg80211_rdev_list_generation); |
| 787 | |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 788 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, |
| 789 | dev->wiphy.retry_short); |
| 790 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
| 791 | dev->wiphy.retry_long); |
| 792 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
| 793 | dev->wiphy.frag_threshold); |
| 794 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
| 795 | dev->wiphy.rts_threshold); |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 796 | NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
| 797 | dev->wiphy.coverage_class); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 798 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
| 799 | dev->wiphy.max_scan_ssids); |
Luciano Coelho | 93b6aa6 | 2011-07-13 14:57:28 +0300 | [diff] [blame] | 800 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
| 801 | dev->wiphy.max_sched_scan_ssids); |
Johannes Berg | 18a8365 | 2009-03-31 12:12:05 +0200 | [diff] [blame] | 802 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
| 803 | dev->wiphy.max_scan_ie_len); |
Luciano Coelho | 5a865ba | 2011-07-13 14:57:29 +0300 | [diff] [blame] | 804 | NLA_PUT_U16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
| 805 | dev->wiphy.max_sched_scan_ie_len); |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 806 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
| 807 | dev->wiphy.max_match_sets); |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 808 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 809 | if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) |
| 810 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN); |
Javier Cardona | 15d5dda | 2011-04-07 15:08:28 -0700 | [diff] [blame] | 811 | if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) |
| 812 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH); |
Eliad Peller | cedb541 | 2011-08-31 11:29:43 +0300 | [diff] [blame] | 813 | if (dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) |
| 814 | NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_AP_UAPSD); |
Vivek Natarajan | f4b34b5 | 2011-08-29 14:23:03 +0530 | [diff] [blame] | 815 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) |
| 816 | NLA_PUT_FLAG(msg, NL80211_ATTR_ROAM_SUPPORT); |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 817 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) |
| 818 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_SUPPORT); |
| 819 | if (dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) |
| 820 | NLA_PUT_FLAG(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP); |
Vivek Natarajan | f4b34b5 | 2011-08-29 14:23:03 +0530 | [diff] [blame] | 821 | |
Johannes Berg | 25e47c1 | 2009-04-02 20:14:06 +0200 | [diff] [blame] | 822 | NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES, |
| 823 | sizeof(u32) * dev->wiphy.n_cipher_suites, |
| 824 | dev->wiphy.cipher_suites); |
| 825 | |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 826 | NLA_PUT_U8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
| 827 | dev->wiphy.max_num_pmkids); |
| 828 | |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 829 | if (dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) |
| 830 | NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE); |
| 831 | |
Bruno Randolf | 39fd5de | 2010-12-16 11:30:28 +0900 | [diff] [blame] | 832 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
| 833 | dev->wiphy.available_antennas_tx); |
| 834 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
| 835 | dev->wiphy.available_antennas_rx); |
| 836 | |
Arik Nemtsov | 87bbbe2 | 2011-11-10 11:28:55 +0200 | [diff] [blame] | 837 | if (dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) |
| 838 | NLA_PUT_U32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
| 839 | dev->wiphy.probe_resp_offload); |
| 840 | |
Bruno Randolf | 7f531e0 | 2010-12-16 11:30:22 +0900 | [diff] [blame] | 841 | if ((dev->wiphy.available_antennas_tx || |
| 842 | dev->wiphy.available_antennas_rx) && dev->ops->get_antenna) { |
Bruno Randolf | afe0cbf | 2010-11-10 12:50:50 +0900 | [diff] [blame] | 843 | u32 tx_ant = 0, rx_ant = 0; |
| 844 | int res; |
| 845 | res = dev->ops->get_antenna(&dev->wiphy, &tx_ant, &rx_ant); |
| 846 | if (!res) { |
| 847 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant); |
| 848 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant); |
| 849 | } |
| 850 | } |
| 851 | |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 852 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, |
| 853 | dev->wiphy.interface_modes)) |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 854 | goto nla_put_failure; |
| 855 | |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 856 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); |
| 857 | if (!nl_bands) |
| 858 | goto nla_put_failure; |
| 859 | |
| 860 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
| 861 | if (!dev->wiphy.bands[band]) |
| 862 | continue; |
| 863 | |
| 864 | nl_band = nla_nest_start(msg, band); |
| 865 | if (!nl_band) |
| 866 | goto nla_put_failure; |
| 867 | |
Johannes Berg | d51626d | 2008-10-09 12:20:13 +0200 | [diff] [blame] | 868 | /* add HT info */ |
| 869 | if (dev->wiphy.bands[band]->ht_cap.ht_supported) { |
| 870 | NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, |
| 871 | sizeof(dev->wiphy.bands[band]->ht_cap.mcs), |
| 872 | &dev->wiphy.bands[band]->ht_cap.mcs); |
| 873 | NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, |
| 874 | dev->wiphy.bands[band]->ht_cap.cap); |
| 875 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, |
| 876 | dev->wiphy.bands[band]->ht_cap.ampdu_factor); |
| 877 | NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, |
| 878 | dev->wiphy.bands[band]->ht_cap.ampdu_density); |
| 879 | } |
| 880 | |
Mahesh Palivela | 04d2e73 | 2012-06-22 07:27:46 +0000 | [diff] [blame] | 881 | /* add VHT info */ |
| 882 | if (dev->wiphy.bands[band]->vht_cap.vht_supported && |
| 883 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, |
| 884 | sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs), |
| 885 | &dev->wiphy.bands[band]->vht_cap.vht_mcs) || |
| 886 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, |
| 887 | dev->wiphy.bands[band]->vht_cap.cap))) |
| 888 | goto nla_put_failure; |
| 889 | |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 890 | /* add frequencies */ |
| 891 | nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); |
| 892 | if (!nl_freqs) |
| 893 | goto nla_put_failure; |
| 894 | |
| 895 | for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) { |
| 896 | nl_freq = nla_nest_start(msg, i); |
| 897 | if (!nl_freq) |
| 898 | goto nla_put_failure; |
| 899 | |
| 900 | chan = &dev->wiphy.bands[band]->channels[i]; |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 901 | |
Luis R. Rodriguez | 5dab3b8 | 2009-04-02 14:08:08 -0400 | [diff] [blame] | 902 | if (nl80211_msg_put_channel(msg, chan)) |
| 903 | goto nla_put_failure; |
Jouni Malinen | e2f367f26 | 2008-11-21 19:01:30 +0200 | [diff] [blame] | 904 | |
Johannes Berg | ee688b0 | 2008-01-24 19:38:39 +0100 | [diff] [blame] | 905 | nla_nest_end(msg, nl_freq); |
| 906 | } |
| 907 | |
| 908 | nla_nest_end(msg, nl_freqs); |
| 909 | |
| 910 | /* add bitrates */ |
| 911 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); |
| 912 | if (!nl_rates) |
| 913 | goto nla_put_failure; |
| 914 | |
| 915 | for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) { |
| 916 | nl_rate = nla_nest_start(msg, i); |
| 917 | if (!nl_rate) |
| 918 | goto nla_put_failure; |
| 919 | |
| 920 | rate = &dev->wiphy.bands[band]->bitrates[i]; |
| 921 | NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE, |
| 922 | rate->bitrate); |
| 923 | if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) |
| 924 | NLA_PUT_FLAG(msg, |
| 925 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE); |
| 926 | |
| 927 | nla_nest_end(msg, nl_rate); |
| 928 | } |
| 929 | |
| 930 | nla_nest_end(msg, nl_rates); |
| 931 | |
| 932 | nla_nest_end(msg, nl_band); |
| 933 | } |
| 934 | nla_nest_end(msg, nl_bands); |
| 935 | |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 936 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); |
| 937 | if (!nl_cmds) |
| 938 | goto nla_put_failure; |
| 939 | |
| 940 | i = 0; |
| 941 | #define CMD(op, n) \ |
| 942 | do { \ |
| 943 | if (dev->ops->op) { \ |
| 944 | i++; \ |
| 945 | NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \ |
| 946 | } \ |
| 947 | } while (0) |
| 948 | |
| 949 | CMD(add_virtual_intf, NEW_INTERFACE); |
| 950 | CMD(change_virtual_intf, SET_INTERFACE); |
| 951 | CMD(add_key, NEW_KEY); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 952 | CMD(start_ap, START_AP); |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 953 | CMD(add_station, NEW_STATION); |
| 954 | CMD(add_mpath, NEW_MPATH); |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 955 | CMD(update_mesh_config, SET_MESH_CONFIG); |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 956 | CMD(change_bss, SET_BSS); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 957 | CMD(auth, AUTHENTICATE); |
| 958 | CMD(assoc, ASSOCIATE); |
| 959 | CMD(deauth, DEAUTHENTICATE); |
| 960 | CMD(disassoc, DISASSOCIATE); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 961 | CMD(join_ibss, JOIN_IBSS); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 962 | CMD(join_mesh, JOIN_MESH); |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 963 | CMD(set_pmksa, SET_PMKSA); |
| 964 | CMD(del_pmksa, DEL_PMKSA); |
| 965 | CMD(flush_pmksa, FLUSH_PMKSA); |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 966 | if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
| 967 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 968 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 969 | CMD(mgmt_tx, FRAME); |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 970 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); |
Johannes Berg | 5be83de | 2009-11-19 00:56:28 +0100 | [diff] [blame] | 971 | if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 972 | i++; |
| 973 | NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS); |
| 974 | } |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 975 | CMD(set_channel, SET_CHANNEL); |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 976 | CMD(set_wds_peer, SET_WDS_PEER); |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 977 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
| 978 | CMD(tdls_mgmt, TDLS_MGMT); |
| 979 | CMD(tdls_oper, TDLS_OPER); |
| 980 | } |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 981 | if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) |
| 982 | CMD(sched_scan_start, START_SCHED_SCAN); |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 983 | CMD(probe_client, PROBE_CLIENT); |
Simon Wunderlich | 1d9d921 | 2011-11-18 14:20:43 +0100 | [diff] [blame] | 984 | CMD(set_noack_map, SET_NOACK_MAP); |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 985 | if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { |
| 986 | i++; |
| 987 | NLA_PUT_U32(msg, i, NL80211_CMD_REGISTER_BEACONS); |
| 988 | } |
Kyeyoon Park | 1368a38 | 2014-04-17 19:57:34 +0530 | [diff] [blame] | 989 | CMD(set_qos_map, SET_QOS_MAP); |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 990 | |
Kalle Valo | 4745fc0 | 2011-11-17 19:06:10 +0200 | [diff] [blame] | 991 | #ifdef CONFIG_NL80211_TESTMODE |
| 992 | CMD(testmode_cmd, TESTMODE); |
| 993 | #endif |
| 994 | |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 995 | #undef CMD |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 996 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 997 | if (dev->ops->connect || dev->ops->auth) { |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 998 | i++; |
| 999 | NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT); |
| 1000 | } |
| 1001 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 1002 | if (dev->ops->disconnect || dev->ops->deauth) { |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 1003 | i++; |
| 1004 | NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT); |
| 1005 | } |
| 1006 | |
Johannes Berg | 8fdc621 | 2009-03-14 09:34:01 +0100 | [diff] [blame] | 1007 | nla_nest_end(msg, nl_cmds); |
| 1008 | |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 1009 | if (dev->ops->remain_on_channel && |
| 1010 | dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) |
Johannes Berg | a293911 | 2010-12-14 17:54:28 +0100 | [diff] [blame] | 1011 | NLA_PUT_U32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, |
| 1012 | dev->wiphy.max_remain_on_channel_duration); |
| 1013 | |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 1014 | if (dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 1015 | NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); |
| 1016 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 1017 | if (mgmt_stypes) { |
| 1018 | u16 stypes; |
| 1019 | struct nlattr *nl_ftypes, *nl_ifs; |
| 1020 | enum nl80211_iftype ift; |
| 1021 | |
| 1022 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
| 1023 | if (!nl_ifs) |
| 1024 | goto nla_put_failure; |
| 1025 | |
| 1026 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
| 1027 | nl_ftypes = nla_nest_start(msg, ift); |
| 1028 | if (!nl_ftypes) |
| 1029 | goto nla_put_failure; |
| 1030 | i = 0; |
| 1031 | stypes = mgmt_stypes[ift].tx; |
| 1032 | while (stypes) { |
| 1033 | if (stypes & 1) |
| 1034 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, |
| 1035 | (i << 4) | IEEE80211_FTYPE_MGMT); |
| 1036 | stypes >>= 1; |
| 1037 | i++; |
| 1038 | } |
| 1039 | nla_nest_end(msg, nl_ftypes); |
| 1040 | } |
| 1041 | |
Johannes Berg | 74b70a4 | 2010-08-24 12:15:53 +0200 | [diff] [blame] | 1042 | nla_nest_end(msg, nl_ifs); |
| 1043 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 1044 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
| 1045 | if (!nl_ifs) |
| 1046 | goto nla_put_failure; |
| 1047 | |
| 1048 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
| 1049 | nl_ftypes = nla_nest_start(msg, ift); |
| 1050 | if (!nl_ftypes) |
| 1051 | goto nla_put_failure; |
| 1052 | i = 0; |
| 1053 | stypes = mgmt_stypes[ift].rx; |
| 1054 | while (stypes) { |
| 1055 | if (stypes & 1) |
| 1056 | NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, |
| 1057 | (i << 4) | IEEE80211_FTYPE_MGMT); |
| 1058 | stypes >>= 1; |
| 1059 | i++; |
| 1060 | } |
| 1061 | nla_nest_end(msg, nl_ftypes); |
| 1062 | } |
| 1063 | nla_nest_end(msg, nl_ifs); |
| 1064 | } |
| 1065 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 1066 | if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) { |
| 1067 | struct nlattr *nl_wowlan; |
| 1068 | |
| 1069 | nl_wowlan = nla_nest_start(msg, |
| 1070 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
| 1071 | if (!nl_wowlan) |
| 1072 | goto nla_put_failure; |
| 1073 | |
| 1074 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_ANY) |
| 1075 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); |
| 1076 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_DISCONNECT) |
| 1077 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); |
| 1078 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_MAGIC_PKT) |
| 1079 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); |
Johannes Berg | 77dbbb1 | 2011-07-13 10:48:55 +0200 | [diff] [blame] | 1080 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) |
| 1081 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED); |
| 1082 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) |
| 1083 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); |
| 1084 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) |
| 1085 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); |
| 1086 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) |
| 1087 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); |
| 1088 | if (dev->wiphy.wowlan.flags & WIPHY_WOWLAN_RFKILL_RELEASE) |
| 1089 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 1090 | if (dev->wiphy.wowlan.n_patterns) { |
| 1091 | struct nl80211_wowlan_pattern_support pat = { |
| 1092 | .max_patterns = dev->wiphy.wowlan.n_patterns, |
| 1093 | .min_pattern_len = |
| 1094 | dev->wiphy.wowlan.pattern_min_len, |
| 1095 | .max_pattern_len = |
| 1096 | dev->wiphy.wowlan.pattern_max_len, |
| 1097 | }; |
| 1098 | NLA_PUT(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
| 1099 | sizeof(pat), &pat); |
| 1100 | } |
| 1101 | |
| 1102 | nla_nest_end(msg, nl_wowlan); |
| 1103 | } |
| 1104 | |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 1105 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, |
| 1106 | dev->wiphy.software_iftypes)) |
| 1107 | goto nla_put_failure; |
| 1108 | |
| 1109 | if (nl80211_put_iface_combinations(&dev->wiphy, msg)) |
| 1110 | goto nla_put_failure; |
| 1111 | |
Johannes Berg | 562a748 | 2011-11-07 12:39:33 +0100 | [diff] [blame] | 1112 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) |
| 1113 | NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME, |
| 1114 | dev->wiphy.ap_sme_capa); |
| 1115 | |
Johannes Berg | 1f074bd | 2011-11-06 14:13:33 +0100 | [diff] [blame] | 1116 | NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features); |
| 1117 | |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 1118 | if (dev->wiphy.ht_capa_mod_mask) |
| 1119 | NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
| 1120 | sizeof(*dev->wiphy.ht_capa_mod_mask), |
| 1121 | dev->wiphy.ht_capa_mod_mask); |
| 1122 | |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 1123 | if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
| 1124 | dev->wiphy.max_acl_mac_addrs) |
| 1125 | NLA_PUT_U32(msg, NL80211_ATTR_MAC_ACL_MAX, |
| 1126 | dev->wiphy.max_acl_mac_addrs); |
| 1127 | |
Jouni Malinen | 55adc42 | 2014-04-17 23:05:02 +0530 | [diff] [blame] | 1128 | if (dev->wiphy.max_ap_assoc_sta && |
| 1129 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
| 1130 | dev->wiphy.max_ap_assoc_sta)) |
| 1131 | goto nla_put_failure; |
| 1132 | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 1133 | if (dev->wiphy.n_vendor_commands) { |
| 1134 | const struct nl80211_vendor_cmd_info *info; |
| 1135 | struct nlattr *nested; |
| 1136 | |
| 1137 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); |
| 1138 | if (!nested) |
| 1139 | goto nla_put_failure; |
| 1140 | |
| 1141 | for (i = 0; i < dev->wiphy.n_vendor_commands; i++) { |
| 1142 | info = &dev->wiphy.vendor_commands[i].info; |
| 1143 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
| 1144 | goto nla_put_failure; |
| 1145 | } |
| 1146 | nla_nest_end(msg, nested); |
| 1147 | } |
| 1148 | |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 1149 | if (dev->wiphy.n_vendor_events) { |
| 1150 | const struct nl80211_vendor_cmd_info *info; |
| 1151 | struct nlattr *nested; |
| 1152 | |
| 1153 | nested = nla_nest_start(msg, |
| 1154 | NL80211_ATTR_VENDOR_EVENTS); |
| 1155 | if (!nested) |
| 1156 | goto nla_put_failure; |
| 1157 | |
| 1158 | for (i = 0; i < dev->wiphy.n_vendor_events; i++) { |
| 1159 | info = &dev->wiphy.vendor_events[i]; |
| 1160 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
| 1161 | goto nla_put_failure; |
| 1162 | } |
| 1163 | nla_nest_end(msg, nested); |
| 1164 | } |
| 1165 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1166 | return genlmsg_end(msg, hdr); |
| 1167 | |
| 1168 | nla_put_failure: |
Thomas Graf | bc3ed28 | 2008-06-03 16:36:54 -0700 | [diff] [blame] | 1169 | genlmsg_cancel(msg, hdr); |
| 1170 | return -EMSGSIZE; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
| 1174 | { |
| 1175 | int idx = 0; |
| 1176 | int start = cb->args[0]; |
| 1177 | struct cfg80211_registered_device *dev; |
| 1178 | |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 1179 | mutex_lock(&cfg80211_mutex); |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 1180 | list_for_each_entry(dev, &cfg80211_rdev_list, list) { |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 1181 | if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) |
| 1182 | continue; |
Julius Volz | b463727 | 2008-07-08 14:02:19 +0200 | [diff] [blame] | 1183 | if (++idx <= start) |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1184 | continue; |
| 1185 | if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, |
| 1186 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
Julius Volz | b463727 | 2008-07-08 14:02:19 +0200 | [diff] [blame] | 1187 | dev) < 0) { |
| 1188 | idx--; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1189 | break; |
Julius Volz | b463727 | 2008-07-08 14:02:19 +0200 | [diff] [blame] | 1190 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1191 | } |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 1192 | mutex_unlock(&cfg80211_mutex); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1193 | |
| 1194 | cb->args[0] = idx; |
| 1195 | |
| 1196 | return skb->len; |
| 1197 | } |
| 1198 | |
| 1199 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
| 1200 | { |
| 1201 | struct sk_buff *msg; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1202 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1203 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 1204 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1205 | if (!msg) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1206 | return -ENOMEM; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1207 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1208 | if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { |
| 1209 | nlmsg_free(msg); |
| 1210 | return -ENOBUFS; |
| 1211 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1212 | |
Johannes Berg | 134e637 | 2009-07-10 09:51:34 +0000 | [diff] [blame] | 1213 | return genlmsg_reply(msg, info); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1214 | } |
| 1215 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1216 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
| 1217 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, |
| 1218 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, |
| 1219 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, |
| 1220 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, |
| 1221 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, |
| 1222 | }; |
| 1223 | |
| 1224 | static int parse_txq_params(struct nlattr *tb[], |
| 1225 | struct ieee80211_txq_params *txq_params) |
| 1226 | { |
| 1227 | if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] || |
| 1228 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
| 1229 | !tb[NL80211_TXQ_ATTR_AIFS]) |
| 1230 | return -EINVAL; |
| 1231 | |
| 1232 | txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]); |
| 1233 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
| 1234 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); |
| 1235 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); |
| 1236 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); |
| 1237 | |
| 1238 | return 0; |
| 1239 | } |
| 1240 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1241 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
| 1242 | { |
| 1243 | /* |
| 1244 | * You can only set the channel explicitly for AP, mesh |
| 1245 | * and WDS type interfaces; all others have their channel |
| 1246 | * managed via their respective "establish a connection" |
| 1247 | * command (connect, join, ...) |
| 1248 | * |
| 1249 | * Monitors are special as they are normally slaved to |
| 1250 | * whatever else is going on, so they behave as though |
| 1251 | * you tried setting the wiphy channel itself. |
| 1252 | */ |
| 1253 | return !wdev || |
| 1254 | wdev->iftype == NL80211_IFTYPE_AP || |
| 1255 | wdev->iftype == NL80211_IFTYPE_WDS || |
| 1256 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 1257 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
| 1258 | wdev->iftype == NL80211_IFTYPE_P2P_GO; |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1259 | } |
| 1260 | |
| 1261 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
| 1262 | struct wireless_dev *wdev, |
| 1263 | struct genl_info *info) |
| 1264 | { |
| 1265 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; |
| 1266 | u32 freq; |
| 1267 | int result; |
| 1268 | |
| 1269 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) |
| 1270 | return -EINVAL; |
| 1271 | |
| 1272 | if (!nl80211_can_set_dev_channel(wdev)) |
| 1273 | return -EOPNOTSUPP; |
| 1274 | |
| 1275 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| 1276 | channel_type = nla_get_u32(info->attrs[ |
| 1277 | NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
| 1278 | if (channel_type != NL80211_CHAN_NO_HT && |
| 1279 | channel_type != NL80211_CHAN_HT20 && |
| 1280 | channel_type != NL80211_CHAN_HT40PLUS && |
| 1281 | channel_type != NL80211_CHAN_HT40MINUS) |
| 1282 | return -EINVAL; |
| 1283 | } |
| 1284 | |
| 1285 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
| 1286 | |
| 1287 | mutex_lock(&rdev->devlist_mtx); |
| 1288 | if (wdev) { |
| 1289 | wdev_lock(wdev); |
| 1290 | result = cfg80211_set_freq(rdev, wdev, freq, channel_type); |
| 1291 | wdev_unlock(wdev); |
| 1292 | } else { |
| 1293 | result = cfg80211_set_freq(rdev, NULL, freq, channel_type); |
| 1294 | } |
| 1295 | mutex_unlock(&rdev->devlist_mtx); |
| 1296 | |
| 1297 | return result; |
| 1298 | } |
| 1299 | |
| 1300 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) |
| 1301 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1302 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 1303 | struct net_device *netdev = info->user_ptr[1]; |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1304 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1305 | return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1306 | } |
| 1307 | |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1308 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
| 1309 | { |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 1310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 1311 | struct net_device *dev = info->user_ptr[1]; |
| 1312 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
Johannes Berg | 388ac77 | 2010-10-07 13:11:09 +0200 | [diff] [blame] | 1313 | const u8 *bssid; |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1314 | |
| 1315 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 1316 | return -EINVAL; |
| 1317 | |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 1318 | if (netif_running(dev)) |
| 1319 | return -EBUSY; |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1320 | |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 1321 | if (!rdev->ops->set_wds_peer) |
| 1322 | return -EOPNOTSUPP; |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1323 | |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 1324 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
| 1325 | return -EOPNOTSUPP; |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1326 | |
| 1327 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 1328 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 1329 | } |
| 1330 | |
| 1331 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1332 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
| 1333 | { |
| 1334 | struct cfg80211_registered_device *rdev; |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1335 | struct net_device *netdev = NULL; |
| 1336 | struct wireless_dev *wdev; |
Bill Jordan | a1e567c | 2010-09-10 11:22:32 -0400 | [diff] [blame] | 1337 | int result = 0, rem_txq_params = 0; |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1338 | struct nlattr *nl_txq_params; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1339 | u32 changed; |
| 1340 | u8 retry_short = 0, retry_long = 0; |
| 1341 | u32 frag_threshold = 0, rts_threshold = 0; |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1342 | u8 coverage_class = 0; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1343 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1344 | /* |
| 1345 | * Try to find the wiphy and netdev. Normally this |
| 1346 | * function shouldn't need the netdev, but this is |
| 1347 | * done for backward compatibility -- previously |
| 1348 | * setting the channel was done per wiphy, but now |
| 1349 | * it is per netdev. Previous userland like hostapd |
| 1350 | * also passed a netdev to set_wiphy, so that it is |
| 1351 | * possible to let that go to the right netdev! |
| 1352 | */ |
Johannes Berg | 4bbf4d5 | 2009-03-24 09:35:46 +0100 | [diff] [blame] | 1353 | mutex_lock(&cfg80211_mutex); |
| 1354 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1355 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
| 1356 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); |
| 1357 | |
| 1358 | netdev = dev_get_by_index(genl_info_net(info), ifindex); |
| 1359 | if (netdev && netdev->ieee80211_ptr) { |
| 1360 | rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); |
| 1361 | mutex_lock(&rdev->mtx); |
| 1362 | } else |
| 1363 | netdev = NULL; |
Johannes Berg | 4bbf4d5 | 2009-03-24 09:35:46 +0100 | [diff] [blame] | 1364 | } |
| 1365 | |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1366 | if (!netdev) { |
| 1367 | rdev = __cfg80211_rdev_from_info(info); |
| 1368 | if (IS_ERR(rdev)) { |
| 1369 | mutex_unlock(&cfg80211_mutex); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1370 | return PTR_ERR(rdev); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1371 | } |
| 1372 | wdev = NULL; |
| 1373 | netdev = NULL; |
| 1374 | result = 0; |
| 1375 | |
| 1376 | mutex_lock(&rdev->mtx); |
| 1377 | } else if (netif_running(netdev) && |
| 1378 | nl80211_can_set_dev_channel(netdev->ieee80211_ptr)) |
| 1379 | wdev = netdev->ieee80211_ptr; |
| 1380 | else |
| 1381 | wdev = NULL; |
| 1382 | |
| 1383 | /* |
| 1384 | * end workaround code, by now the rdev is available |
| 1385 | * and locked, and wdev may or may not be NULL. |
| 1386 | */ |
Johannes Berg | 4bbf4d5 | 2009-03-24 09:35:46 +0100 | [diff] [blame] | 1387 | |
| 1388 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1389 | result = cfg80211_dev_rename( |
| 1390 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); |
Johannes Berg | 4bbf4d5 | 2009-03-24 09:35:46 +0100 | [diff] [blame] | 1391 | |
| 1392 | mutex_unlock(&cfg80211_mutex); |
| 1393 | |
| 1394 | if (result) |
| 1395 | goto bad_res; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1396 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1397 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { |
| 1398 | struct ieee80211_txq_params txq_params; |
| 1399 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; |
| 1400 | |
| 1401 | if (!rdev->ops->set_txq_params) { |
| 1402 | result = -EOPNOTSUPP; |
| 1403 | goto bad_res; |
| 1404 | } |
| 1405 | |
Eliad Peller | f70f01c | 2011-09-25 20:06:53 +0300 | [diff] [blame] | 1406 | if (!netdev) { |
| 1407 | result = -EINVAL; |
| 1408 | goto bad_res; |
| 1409 | } |
| 1410 | |
Johannes Berg | 133a3ff | 2011-11-03 14:50:13 +0100 | [diff] [blame] | 1411 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 1412 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { |
| 1413 | result = -EINVAL; |
| 1414 | goto bad_res; |
| 1415 | } |
| 1416 | |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 1417 | if (!netif_running(netdev)) { |
| 1418 | result = -ENETDOWN; |
| 1419 | goto bad_res; |
| 1420 | } |
| 1421 | |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1422 | nla_for_each_nested(nl_txq_params, |
| 1423 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], |
| 1424 | rem_txq_params) { |
| 1425 | nla_parse(tb, NL80211_TXQ_ATTR_MAX, |
| 1426 | nla_data(nl_txq_params), |
| 1427 | nla_len(nl_txq_params), |
| 1428 | txq_params_policy); |
| 1429 | result = parse_txq_params(tb, &txq_params); |
| 1430 | if (result) |
| 1431 | goto bad_res; |
| 1432 | |
| 1433 | result = rdev->ops->set_txq_params(&rdev->wiphy, |
Eliad Peller | f70f01c | 2011-09-25 20:06:53 +0300 | [diff] [blame] | 1434 | netdev, |
Jouni Malinen | 3188848 | 2008-10-30 16:59:24 +0200 | [diff] [blame] | 1435 | &txq_params); |
| 1436 | if (result) |
| 1437 | goto bad_res; |
| 1438 | } |
| 1439 | } |
| 1440 | |
Jouni Malinen | 72bdcf3 | 2008-11-26 16:15:24 +0200 | [diff] [blame] | 1441 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1442 | result = __nl80211_set_channel(rdev, wdev, info); |
Jouni Malinen | 72bdcf3 | 2008-11-26 16:15:24 +0200 | [diff] [blame] | 1443 | if (result) |
| 1444 | goto bad_res; |
| 1445 | } |
| 1446 | |
Juuso Oikarinen | 98d2ff8 | 2010-06-23 12:12:38 +0300 | [diff] [blame] | 1447 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
| 1448 | enum nl80211_tx_power_setting type; |
| 1449 | int idx, mbm = 0; |
| 1450 | |
| 1451 | if (!rdev->ops->set_tx_power) { |
Jiri Slaby | 60ea385 | 2010-07-07 15:02:46 +0200 | [diff] [blame] | 1452 | result = -EOPNOTSUPP; |
Juuso Oikarinen | 98d2ff8 | 2010-06-23 12:12:38 +0300 | [diff] [blame] | 1453 | goto bad_res; |
| 1454 | } |
| 1455 | |
| 1456 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; |
| 1457 | type = nla_get_u32(info->attrs[idx]); |
| 1458 | |
| 1459 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && |
| 1460 | (type != NL80211_TX_POWER_AUTOMATIC)) { |
| 1461 | result = -EINVAL; |
| 1462 | goto bad_res; |
| 1463 | } |
| 1464 | |
| 1465 | if (type != NL80211_TX_POWER_AUTOMATIC) { |
| 1466 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; |
| 1467 | mbm = nla_get_u32(info->attrs[idx]); |
| 1468 | } |
| 1469 | |
| 1470 | result = rdev->ops->set_tx_power(&rdev->wiphy, type, mbm); |
| 1471 | if (result) |
| 1472 | goto bad_res; |
| 1473 | } |
| 1474 | |
Bruno Randolf | afe0cbf | 2010-11-10 12:50:50 +0900 | [diff] [blame] | 1475 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
| 1476 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { |
| 1477 | u32 tx_ant, rx_ant; |
Bruno Randolf | 7f531e0 | 2010-12-16 11:30:22 +0900 | [diff] [blame] | 1478 | if ((!rdev->wiphy.available_antennas_tx && |
| 1479 | !rdev->wiphy.available_antennas_rx) || |
| 1480 | !rdev->ops->set_antenna) { |
Bruno Randolf | afe0cbf | 2010-11-10 12:50:50 +0900 | [diff] [blame] | 1481 | result = -EOPNOTSUPP; |
| 1482 | goto bad_res; |
| 1483 | } |
| 1484 | |
| 1485 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); |
| 1486 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); |
| 1487 | |
Bruno Randolf | a7ffac9 | 2010-12-08 13:59:24 +0900 | [diff] [blame] | 1488 | /* reject antenna configurations which don't match the |
Bruno Randolf | 7f531e0 | 2010-12-16 11:30:22 +0900 | [diff] [blame] | 1489 | * available antenna masks, except for the "all" mask */ |
| 1490 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || |
| 1491 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { |
Bruno Randolf | a7ffac9 | 2010-12-08 13:59:24 +0900 | [diff] [blame] | 1492 | result = -EINVAL; |
| 1493 | goto bad_res; |
| 1494 | } |
| 1495 | |
Bruno Randolf | 7f531e0 | 2010-12-16 11:30:22 +0900 | [diff] [blame] | 1496 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
| 1497 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; |
Bruno Randolf | a7ffac9 | 2010-12-08 13:59:24 +0900 | [diff] [blame] | 1498 | |
Bruno Randolf | afe0cbf | 2010-11-10 12:50:50 +0900 | [diff] [blame] | 1499 | result = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); |
| 1500 | if (result) |
| 1501 | goto bad_res; |
| 1502 | } |
| 1503 | |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1504 | changed = 0; |
| 1505 | |
| 1506 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { |
| 1507 | retry_short = nla_get_u8( |
| 1508 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); |
| 1509 | if (retry_short == 0) { |
| 1510 | result = -EINVAL; |
| 1511 | goto bad_res; |
| 1512 | } |
| 1513 | changed |= WIPHY_PARAM_RETRY_SHORT; |
| 1514 | } |
| 1515 | |
| 1516 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { |
| 1517 | retry_long = nla_get_u8( |
| 1518 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); |
| 1519 | if (retry_long == 0) { |
| 1520 | result = -EINVAL; |
| 1521 | goto bad_res; |
| 1522 | } |
| 1523 | changed |= WIPHY_PARAM_RETRY_LONG; |
| 1524 | } |
| 1525 | |
| 1526 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { |
| 1527 | frag_threshold = nla_get_u32( |
| 1528 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); |
| 1529 | if (frag_threshold < 256) { |
| 1530 | result = -EINVAL; |
| 1531 | goto bad_res; |
| 1532 | } |
| 1533 | if (frag_threshold != (u32) -1) { |
| 1534 | /* |
| 1535 | * Fragments (apart from the last one) are required to |
| 1536 | * have even length. Make the fragmentation code |
| 1537 | * simpler by stripping LSB should someone try to use |
| 1538 | * odd threshold value. |
| 1539 | */ |
| 1540 | frag_threshold &= ~0x1; |
| 1541 | } |
| 1542 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; |
| 1543 | } |
| 1544 | |
| 1545 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { |
| 1546 | rts_threshold = nla_get_u32( |
| 1547 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); |
| 1548 | changed |= WIPHY_PARAM_RTS_THRESHOLD; |
| 1549 | } |
| 1550 | |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1551 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
| 1552 | coverage_class = nla_get_u8( |
| 1553 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); |
| 1554 | changed |= WIPHY_PARAM_COVERAGE_CLASS; |
| 1555 | } |
| 1556 | |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1557 | if (changed) { |
| 1558 | u8 old_retry_short, old_retry_long; |
| 1559 | u32 old_frag_threshold, old_rts_threshold; |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1560 | u8 old_coverage_class; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1561 | |
| 1562 | if (!rdev->ops->set_wiphy_params) { |
| 1563 | result = -EOPNOTSUPP; |
| 1564 | goto bad_res; |
| 1565 | } |
| 1566 | |
| 1567 | old_retry_short = rdev->wiphy.retry_short; |
| 1568 | old_retry_long = rdev->wiphy.retry_long; |
| 1569 | old_frag_threshold = rdev->wiphy.frag_threshold; |
| 1570 | old_rts_threshold = rdev->wiphy.rts_threshold; |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1571 | old_coverage_class = rdev->wiphy.coverage_class; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1572 | |
| 1573 | if (changed & WIPHY_PARAM_RETRY_SHORT) |
| 1574 | rdev->wiphy.retry_short = retry_short; |
| 1575 | if (changed & WIPHY_PARAM_RETRY_LONG) |
| 1576 | rdev->wiphy.retry_long = retry_long; |
| 1577 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) |
| 1578 | rdev->wiphy.frag_threshold = frag_threshold; |
| 1579 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) |
| 1580 | rdev->wiphy.rts_threshold = rts_threshold; |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1581 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
| 1582 | rdev->wiphy.coverage_class = coverage_class; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1583 | |
| 1584 | result = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); |
| 1585 | if (result) { |
| 1586 | rdev->wiphy.retry_short = old_retry_short; |
| 1587 | rdev->wiphy.retry_long = old_retry_long; |
| 1588 | rdev->wiphy.frag_threshold = old_frag_threshold; |
| 1589 | rdev->wiphy.rts_threshold = old_rts_threshold; |
Lukáš Turek | 81077e8 | 2009-12-21 22:50:47 +0100 | [diff] [blame] | 1590 | rdev->wiphy.coverage_class = old_coverage_class; |
Jouni Malinen | b9a5f8ca | 2009-04-20 18:39:05 +0200 | [diff] [blame] | 1591 | } |
| 1592 | } |
Jouni Malinen | 72bdcf3 | 2008-11-26 16:15:24 +0200 | [diff] [blame] | 1593 | |
Johannes Berg | 306d611 | 2008-12-08 12:39:04 +0100 | [diff] [blame] | 1594 | bad_res: |
Johannes Berg | 4bbf4d5 | 2009-03-24 09:35:46 +0100 | [diff] [blame] | 1595 | mutex_unlock(&rdev->mtx); |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 1596 | if (netdev) |
| 1597 | dev_put(netdev); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1598 | return result; |
| 1599 | } |
| 1600 | |
| 1601 | |
| 1602 | static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, |
Johannes Berg | d726405 | 2009-04-19 16:23:20 +0200 | [diff] [blame] | 1603 | struct cfg80211_registered_device *rdev, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1604 | struct net_device *dev) |
| 1605 | { |
| 1606 | void *hdr; |
| 1607 | |
| 1608 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); |
| 1609 | if (!hdr) |
| 1610 | return -1; |
| 1611 | |
| 1612 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
Johannes Berg | d726405 | 2009-04-19 16:23:20 +0200 | [diff] [blame] | 1613 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1614 | NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name); |
Johannes Berg | 60719ff | 2008-09-16 14:55:09 +0200 | [diff] [blame] | 1615 | NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype); |
Simon Shields | 99ca239 | 2017-08-25 16:37:02 +1000 | [diff] [blame] | 1616 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr); |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1617 | |
| 1618 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, |
| 1619 | rdev->devlist_generation ^ |
| 1620 | (cfg80211_rdev_list_generation << 2)); |
| 1621 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1622 | return genlmsg_end(msg, hdr); |
| 1623 | |
| 1624 | nla_put_failure: |
Thomas Graf | bc3ed28 | 2008-06-03 16:36:54 -0700 | [diff] [blame] | 1625 | genlmsg_cancel(msg, hdr); |
| 1626 | return -EMSGSIZE; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1627 | } |
| 1628 | |
| 1629 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) |
| 1630 | { |
| 1631 | int wp_idx = 0; |
| 1632 | int if_idx = 0; |
| 1633 | int wp_start = cb->args[0]; |
| 1634 | int if_start = cb->args[1]; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1635 | struct cfg80211_registered_device *rdev; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1636 | struct wireless_dev *wdev; |
| 1637 | |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 1638 | mutex_lock(&cfg80211_mutex); |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1639 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
| 1640 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 1641 | continue; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1642 | if (wp_idx < wp_start) { |
| 1643 | wp_idx++; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1644 | continue; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1645 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1646 | if_idx = 0; |
| 1647 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1648 | mutex_lock(&rdev->devlist_mtx); |
| 1649 | list_for_each_entry(wdev, &rdev->netdev_list, list) { |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1650 | if (if_idx < if_start) { |
| 1651 | if_idx++; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1652 | continue; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1653 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1654 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, |
| 1655 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1656 | rdev, wdev->netdev) < 0) { |
| 1657 | mutex_unlock(&rdev->devlist_mtx); |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1658 | goto out; |
| 1659 | } |
| 1660 | if_idx++; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1661 | } |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 1662 | mutex_unlock(&rdev->devlist_mtx); |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1663 | |
| 1664 | wp_idx++; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1665 | } |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 1666 | out: |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 1667 | mutex_unlock(&cfg80211_mutex); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1668 | |
| 1669 | cb->args[0] = wp_idx; |
| 1670 | cb->args[1] = if_idx; |
| 1671 | |
| 1672 | return skb->len; |
| 1673 | } |
| 1674 | |
| 1675 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) |
| 1676 | { |
| 1677 | struct sk_buff *msg; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1678 | struct cfg80211_registered_device *dev = info->user_ptr[0]; |
| 1679 | struct net_device *netdev = info->user_ptr[1]; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1680 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 1681 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1682 | if (!msg) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1683 | return -ENOMEM; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1684 | |
Johannes Berg | d726405 | 2009-04-19 16:23:20 +0200 | [diff] [blame] | 1685 | if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1686 | dev, netdev) < 0) { |
| 1687 | nlmsg_free(msg); |
| 1688 | return -ENOBUFS; |
| 1689 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1690 | |
Johannes Berg | 134e637 | 2009-07-10 09:51:34 +0000 | [diff] [blame] | 1691 | return genlmsg_reply(msg, info); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1692 | } |
| 1693 | |
Michael Wu | 66f7ac5 | 2008-01-31 19:48:22 +0100 | [diff] [blame] | 1694 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
| 1695 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, |
| 1696 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, |
| 1697 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, |
| 1698 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, |
| 1699 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, |
| 1700 | }; |
| 1701 | |
| 1702 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) |
| 1703 | { |
| 1704 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; |
| 1705 | int flag; |
| 1706 | |
| 1707 | *mntrflags = 0; |
| 1708 | |
| 1709 | if (!nla) |
| 1710 | return -EINVAL; |
| 1711 | |
| 1712 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, |
| 1713 | nla, mntr_flags_policy)) |
| 1714 | return -EINVAL; |
| 1715 | |
| 1716 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) |
| 1717 | if (flags[flag]) |
| 1718 | *mntrflags |= (1<<flag); |
| 1719 | |
| 1720 | return 0; |
| 1721 | } |
| 1722 | |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1723 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1724 | struct net_device *netdev, u8 use_4addr, |
| 1725 | enum nl80211_iftype iftype) |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1726 | { |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1727 | if (!use_4addr) { |
Jiri Pirko | f350a0a | 2010-06-15 06:50:45 +0000 | [diff] [blame] | 1728 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1729 | return -EBUSY; |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1730 | return 0; |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1731 | } |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1732 | |
| 1733 | switch (iftype) { |
| 1734 | case NL80211_IFTYPE_AP_VLAN: |
| 1735 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) |
| 1736 | return 0; |
| 1737 | break; |
| 1738 | case NL80211_IFTYPE_STATION: |
| 1739 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) |
| 1740 | return 0; |
| 1741 | break; |
| 1742 | default: |
| 1743 | break; |
| 1744 | } |
| 1745 | |
| 1746 | return -EOPNOTSUPP; |
| 1747 | } |
| 1748 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1749 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
| 1750 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1751 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1752 | struct vif_params params; |
Johannes Berg | e36d56b | 2009-06-09 21:04:43 +0200 | [diff] [blame] | 1753 | int err; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 1754 | enum nl80211_iftype otype, ntype; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1755 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 92ffe05 | 2008-09-16 20:39:36 +0200 | [diff] [blame] | 1756 | u32 _flags, *flags = NULL; |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1757 | bool change = false; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1758 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1759 | memset(¶ms, 0, sizeof(params)); |
| 1760 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 1761 | otype = ntype = dev->ieee80211_ptr->iftype; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1762 | |
Johannes Berg | 723b038 | 2008-09-16 20:22:09 +0200 | [diff] [blame] | 1763 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1764 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 1765 | if (otype != ntype) |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1766 | change = true; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1767 | if (ntype > NL80211_IFTYPE_MAX) |
| 1768 | return -EINVAL; |
Johannes Berg | 723b038 | 2008-09-16 20:22:09 +0200 | [diff] [blame] | 1769 | } |
| 1770 | |
Johannes Berg | 92ffe05 | 2008-09-16 20:39:36 +0200 | [diff] [blame] | 1771 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1772 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1773 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1774 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
| 1775 | return -EINVAL; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1776 | if (netif_running(dev)) |
| 1777 | return -EBUSY; |
| 1778 | |
| 1779 | wdev_lock(wdev); |
| 1780 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != |
| 1781 | IEEE80211_MAX_MESH_ID_LEN); |
| 1782 | wdev->mesh_id_up_len = |
| 1783 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); |
| 1784 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), |
| 1785 | wdev->mesh_id_up_len); |
| 1786 | wdev_unlock(wdev); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1787 | } |
| 1788 | |
Felix Fietkau | 8b78764 | 2009-11-10 18:53:10 +0100 | [diff] [blame] | 1789 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
| 1790 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
| 1791 | change = true; |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1792 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1793 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1794 | return err; |
Felix Fietkau | 8b78764 | 2009-11-10 18:53:10 +0100 | [diff] [blame] | 1795 | } else { |
| 1796 | params.use_4addr = -1; |
| 1797 | } |
| 1798 | |
Johannes Berg | 92ffe05 | 2008-09-16 20:39:36 +0200 | [diff] [blame] | 1799 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1800 | if (ntype != NL80211_IFTYPE_MONITOR) |
| 1801 | return -EINVAL; |
Johannes Berg | 92ffe05 | 2008-09-16 20:39:36 +0200 | [diff] [blame] | 1802 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], |
| 1803 | &_flags); |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1804 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1805 | return err; |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1806 | |
| 1807 | flags = &_flags; |
| 1808 | change = true; |
Johannes Berg | 92ffe05 | 2008-09-16 20:39:36 +0200 | [diff] [blame] | 1809 | } |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 1810 | |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1811 | if (change) |
Johannes Berg | 3d54d25 | 2009-08-21 14:51:05 +0200 | [diff] [blame] | 1812 | err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); |
Johannes Berg | ac7f9cf | 2009-03-21 17:07:59 +0100 | [diff] [blame] | 1813 | else |
| 1814 | err = 0; |
Johannes Berg | 60719ff | 2008-09-16 14:55:09 +0200 | [diff] [blame] | 1815 | |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1816 | if (!err && params.use_4addr != -1) |
| 1817 | dev->ieee80211_ptr->use_4addr = params.use_4addr; |
| 1818 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1819 | return err; |
| 1820 | } |
| 1821 | |
| 1822 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) |
| 1823 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1824 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1825 | struct vif_params params; |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 1826 | struct net_device *dev; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1827 | int err; |
| 1828 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; |
Michael Wu | 66f7ac5 | 2008-01-31 19:48:22 +0100 | [diff] [blame] | 1829 | u32 flags; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1830 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1831 | memset(¶ms, 0, sizeof(params)); |
| 1832 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1833 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
| 1834 | return -EINVAL; |
| 1835 | |
| 1836 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
| 1837 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
| 1838 | if (type > NL80211_IFTYPE_MAX) |
| 1839 | return -EINVAL; |
| 1840 | } |
| 1841 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 1842 | if (!rdev->ops->add_virtual_intf || |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1843 | !(rdev->wiphy.interface_modes & (1 << type))) |
| 1844 | return -EOPNOTSUPP; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1845 | |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1846 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
Felix Fietkau | 8b78764 | 2009-11-10 18:53:10 +0100 | [diff] [blame] | 1847 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
Johannes Berg | ad4bb6f | 2009-11-19 00:56:30 +0100 | [diff] [blame] | 1848 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1849 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1850 | return err; |
Johannes Berg | 9bc383d | 2009-11-19 11:55:19 +0100 | [diff] [blame] | 1851 | } |
Felix Fietkau | 8b78764 | 2009-11-10 18:53:10 +0100 | [diff] [blame] | 1852 | |
Michael Wu | 66f7ac5 | 2008-01-31 19:48:22 +0100 | [diff] [blame] | 1853 | err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? |
| 1854 | info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, |
| 1855 | &flags); |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 1856 | dev = rdev->ops->add_virtual_intf(&rdev->wiphy, |
Michael Wu | 66f7ac5 | 2008-01-31 19:48:22 +0100 | [diff] [blame] | 1857 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1858 | type, err ? NULL : &flags, ¶ms); |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 1859 | if (IS_ERR(dev)) |
| 1860 | return PTR_ERR(dev); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 1861 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 1862 | if (type == NL80211_IFTYPE_MESH_POINT && |
| 1863 | info->attrs[NL80211_ATTR_MESH_ID]) { |
| 1864 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1865 | |
| 1866 | wdev_lock(wdev); |
| 1867 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != |
| 1868 | IEEE80211_MAX_MESH_ID_LEN); |
| 1869 | wdev->mesh_id_up_len = |
| 1870 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); |
| 1871 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), |
| 1872 | wdev->mesh_id_up_len); |
| 1873 | wdev_unlock(wdev); |
| 1874 | } |
| 1875 | |
Johannes Berg | f9e10ce | 2010-12-03 09:20:42 +0100 | [diff] [blame] | 1876 | return 0; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1877 | } |
| 1878 | |
| 1879 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) |
| 1880 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1881 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 1882 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1883 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1884 | if (!rdev->ops->del_virtual_intf) |
| 1885 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 1886 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1887 | return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 1888 | } |
| 1889 | |
Simon Wunderlich | 1d9d921 | 2011-11-18 14:20:43 +0100 | [diff] [blame] | 1890 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
| 1891 | { |
| 1892 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 1893 | struct net_device *dev = info->user_ptr[1]; |
| 1894 | u16 noack_map; |
| 1895 | |
| 1896 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) |
| 1897 | return -EINVAL; |
| 1898 | |
| 1899 | if (!rdev->ops->set_noack_map) |
| 1900 | return -EOPNOTSUPP; |
| 1901 | |
| 1902 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); |
| 1903 | |
| 1904 | return rdev->ops->set_noack_map(&rdev->wiphy, dev, noack_map); |
| 1905 | } |
| 1906 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1907 | struct get_key_cookie { |
| 1908 | struct sk_buff *msg; |
| 1909 | int error; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 1910 | int idx; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1911 | }; |
| 1912 | |
| 1913 | static void get_key_callback(void *c, struct key_params *params) |
| 1914 | { |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 1915 | struct nlattr *key; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1916 | struct get_key_cookie *cookie = c; |
| 1917 | |
| 1918 | if (params->key) |
| 1919 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA, |
| 1920 | params->key_len, params->key); |
| 1921 | |
| 1922 | if (params->seq) |
| 1923 | NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ, |
| 1924 | params->seq_len, params->seq); |
| 1925 | |
| 1926 | if (params->cipher) |
| 1927 | NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER, |
| 1928 | params->cipher); |
| 1929 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 1930 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
| 1931 | if (!key) |
| 1932 | goto nla_put_failure; |
| 1933 | |
| 1934 | if (params->key) |
| 1935 | NLA_PUT(cookie->msg, NL80211_KEY_DATA, |
| 1936 | params->key_len, params->key); |
| 1937 | |
| 1938 | if (params->seq) |
| 1939 | NLA_PUT(cookie->msg, NL80211_KEY_SEQ, |
| 1940 | params->seq_len, params->seq); |
| 1941 | |
| 1942 | if (params->cipher) |
| 1943 | NLA_PUT_U32(cookie->msg, NL80211_KEY_CIPHER, |
| 1944 | params->cipher); |
| 1945 | |
| 1946 | NLA_PUT_U8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx); |
| 1947 | |
| 1948 | nla_nest_end(cookie->msg, key); |
| 1949 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1950 | return; |
| 1951 | nla_put_failure: |
| 1952 | cookie->error = 1; |
| 1953 | } |
| 1954 | |
| 1955 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) |
| 1956 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1957 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1958 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1959 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1960 | u8 key_idx = 0; |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 1961 | const u8 *mac_addr = NULL; |
| 1962 | bool pairwise; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1963 | struct get_key_cookie cookie = { |
| 1964 | .error = 0, |
| 1965 | }; |
| 1966 | void *hdr; |
| 1967 | struct sk_buff *msg; |
| 1968 | |
| 1969 | if (info->attrs[NL80211_ATTR_KEY_IDX]) |
| 1970 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); |
| 1971 | |
Jouni Malinen | 3cfcf6a | 2009-01-08 13:32:02 +0200 | [diff] [blame] | 1972 | if (key_idx > 5) |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1973 | return -EINVAL; |
| 1974 | |
| 1975 | if (info->attrs[NL80211_ATTR_MAC]) |
| 1976 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 1977 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 1978 | pairwise = !!mac_addr; |
| 1979 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
| 1980 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); |
| 1981 | if (kt >= NUM_NL80211_KEYTYPES) |
| 1982 | return -EINVAL; |
| 1983 | if (kt != NL80211_KEYTYPE_GROUP && |
| 1984 | kt != NL80211_KEYTYPE_PAIRWISE) |
| 1985 | return -EINVAL; |
| 1986 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; |
| 1987 | } |
| 1988 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1989 | if (!rdev->ops->get_key) |
| 1990 | return -EOPNOTSUPP; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1991 | |
Johannes Berg | 8b1ad6b | 2015-01-23 11:10:12 +0100 | [diff] [blame] | 1992 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
| 1993 | return -ENOENT; |
| 1994 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 1995 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 1996 | if (!msg) |
| 1997 | return -ENOMEM; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 1998 | |
| 1999 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 2000 | NL80211_CMD_NEW_KEY); |
Dan Carpenter | 367c2a1 | 2013-08-14 11:50:01 +0000 | [diff] [blame] | 2001 | if (!hdr) |
Johannes Berg | cfd183d | 2013-10-25 09:15:12 +0000 | [diff] [blame] | 2002 | goto nla_put_failure; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2003 | |
| 2004 | cookie.msg = msg; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2005 | cookie.idx = key_idx; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2006 | |
| 2007 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 2008 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); |
| 2009 | if (mac_addr) |
| 2010 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); |
| 2011 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2012 | err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise, |
| 2013 | mac_addr, &cookie, get_key_callback); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2014 | |
| 2015 | if (err) |
Niko Jokinen | 6c95e2a | 2009-07-15 11:00:53 +0300 | [diff] [blame] | 2016 | goto free_msg; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2017 | |
| 2018 | if (cookie.error) |
| 2019 | goto nla_put_failure; |
| 2020 | |
| 2021 | genlmsg_end(msg, hdr); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2022 | return genlmsg_reply(msg, info); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2023 | |
| 2024 | nla_put_failure: |
| 2025 | err = -ENOBUFS; |
Niko Jokinen | 6c95e2a | 2009-07-15 11:00:53 +0300 | [diff] [blame] | 2026 | free_msg: |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2027 | nlmsg_free(msg); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2028 | return err; |
| 2029 | } |
| 2030 | |
| 2031 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) |
| 2032 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2033 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2034 | struct key_parse key; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2035 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2036 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2037 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2038 | err = nl80211_parse_key(info, &key); |
| 2039 | if (err) |
| 2040 | return err; |
| 2041 | |
| 2042 | if (key.idx < 0) |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2043 | return -EINVAL; |
| 2044 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2045 | /* only support setting default key */ |
| 2046 | if (!key.def && !key.defmgmt) |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2047 | return -EINVAL; |
| 2048 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2049 | wdev_lock(dev->ieee80211_ptr); |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 2050 | |
| 2051 | if (key.def) { |
| 2052 | if (!rdev->ops->set_default_key) { |
| 2053 | err = -EOPNOTSUPP; |
| 2054 | goto out; |
| 2055 | } |
| 2056 | |
| 2057 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
| 2058 | if (err) |
| 2059 | goto out; |
| 2060 | |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 2061 | err = rdev->ops->set_default_key(&rdev->wiphy, dev, key.idx, |
| 2062 | key.def_uni, key.def_multi); |
| 2063 | |
| 2064 | if (err) |
| 2065 | goto out; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2066 | |
Johannes Berg | 3d23e34 | 2009-09-29 23:27:28 +0200 | [diff] [blame] | 2067 | #ifdef CONFIG_CFG80211_WEXT |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 2068 | dev->ieee80211_ptr->wext.default_key = key.idx; |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 2069 | #endif |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 2070 | } else { |
| 2071 | if (key.def_uni || !key.def_multi) { |
| 2072 | err = -EINVAL; |
| 2073 | goto out; |
| 2074 | } |
| 2075 | |
| 2076 | if (!rdev->ops->set_default_mgmt_key) { |
| 2077 | err = -EOPNOTSUPP; |
| 2078 | goto out; |
| 2079 | } |
| 2080 | |
| 2081 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
| 2082 | if (err) |
| 2083 | goto out; |
| 2084 | |
| 2085 | err = rdev->ops->set_default_mgmt_key(&rdev->wiphy, |
| 2086 | dev, key.idx); |
| 2087 | if (err) |
| 2088 | goto out; |
| 2089 | |
| 2090 | #ifdef CONFIG_CFG80211_WEXT |
| 2091 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; |
| 2092 | #endif |
| 2093 | } |
| 2094 | |
| 2095 | out: |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2096 | wdev_unlock(dev->ieee80211_ptr); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2097 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2098 | return err; |
| 2099 | } |
| 2100 | |
| 2101 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) |
| 2102 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2103 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2104 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2105 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2106 | struct key_parse key; |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2107 | const u8 *mac_addr = NULL; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2108 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2109 | err = nl80211_parse_key(info, &key); |
| 2110 | if (err) |
| 2111 | return err; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2112 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2113 | if (!key.p.key) |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2114 | return -EINVAL; |
| 2115 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2116 | if (info->attrs[NL80211_ATTR_MAC]) |
| 2117 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 2118 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2119 | if (key.type == -1) { |
| 2120 | if (mac_addr) |
| 2121 | key.type = NL80211_KEYTYPE_PAIRWISE; |
| 2122 | else |
| 2123 | key.type = NL80211_KEYTYPE_GROUP; |
| 2124 | } |
| 2125 | |
| 2126 | /* for now */ |
| 2127 | if (key.type != NL80211_KEYTYPE_PAIRWISE && |
| 2128 | key.type != NL80211_KEYTYPE_GROUP) |
| 2129 | return -EINVAL; |
| 2130 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2131 | if (!rdev->ops->add_key) |
| 2132 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 2133 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2134 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
| 2135 | key.type == NL80211_KEYTYPE_PAIRWISE, |
| 2136 | mac_addr)) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2137 | return -EINVAL; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2138 | |
| 2139 | wdev_lock(dev->ieee80211_ptr); |
| 2140 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
| 2141 | if (!err) |
| 2142 | err = rdev->ops->add_key(&rdev->wiphy, dev, key.idx, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2143 | key.type == NL80211_KEYTYPE_PAIRWISE, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2144 | mac_addr, &key.p); |
| 2145 | wdev_unlock(dev->ieee80211_ptr); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2146 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2147 | return err; |
| 2148 | } |
| 2149 | |
| 2150 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) |
| 2151 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2152 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2153 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2154 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2155 | u8 *mac_addr = NULL; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2156 | struct key_parse key; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2157 | |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2158 | err = nl80211_parse_key(info, &key); |
| 2159 | if (err) |
| 2160 | return err; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2161 | |
| 2162 | if (info->attrs[NL80211_ATTR_MAC]) |
| 2163 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 2164 | |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2165 | if (key.type == -1) { |
| 2166 | if (mac_addr) |
| 2167 | key.type = NL80211_KEYTYPE_PAIRWISE; |
| 2168 | else |
| 2169 | key.type = NL80211_KEYTYPE_GROUP; |
| 2170 | } |
| 2171 | |
| 2172 | /* for now */ |
| 2173 | if (key.type != NL80211_KEYTYPE_PAIRWISE && |
| 2174 | key.type != NL80211_KEYTYPE_GROUP) |
| 2175 | return -EINVAL; |
| 2176 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2177 | if (!rdev->ops->del_key) |
| 2178 | return -EOPNOTSUPP; |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2179 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2180 | wdev_lock(dev->ieee80211_ptr); |
| 2181 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2182 | |
Johannes Berg | 8b1ad6b | 2015-01-23 11:10:12 +0100 | [diff] [blame] | 2183 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2184 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
| 2185 | err = -ENOENT; |
| 2186 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2187 | if (!err) |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 2188 | err = rdev->ops->del_key(&rdev->wiphy, dev, key.idx, |
| 2189 | key.type == NL80211_KEYTYPE_PAIRWISE, |
| 2190 | mac_addr); |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2191 | |
Johannes Berg | 3d23e34 | 2009-09-29 23:27:28 +0200 | [diff] [blame] | 2192 | #ifdef CONFIG_CFG80211_WEXT |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 2193 | if (!err) { |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2194 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 2195 | dev->ieee80211_ptr->wext.default_key = -1; |
Johannes Berg | b9454e8 | 2009-07-08 13:29:08 +0200 | [diff] [blame] | 2196 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 2197 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
| 2198 | } |
| 2199 | #endif |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 2200 | wdev_unlock(dev->ieee80211_ptr); |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 2201 | |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 2202 | return err; |
| 2203 | } |
| 2204 | |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 2205 | /* This function returns an error or the number of nested attributes */ |
| 2206 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) |
| 2207 | { |
| 2208 | struct nlattr *attr; |
| 2209 | int n_entries = 0, tmp; |
| 2210 | |
| 2211 | nla_for_each_nested(attr, nl_attr, tmp) { |
| 2212 | if (nla_len(attr) != ETH_ALEN) |
| 2213 | return -EINVAL; |
| 2214 | |
| 2215 | n_entries++; |
| 2216 | } |
| 2217 | |
| 2218 | return n_entries; |
| 2219 | } |
| 2220 | |
| 2221 | /* |
| 2222 | * This function parses ACL information and allocates memory for ACL data. |
| 2223 | * On successful return, the calling function is responsible to free the |
| 2224 | * ACL buffer returned by this function. |
| 2225 | */ |
| 2226 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, |
| 2227 | struct genl_info *info) |
| 2228 | { |
| 2229 | enum nl80211_acl_policy acl_policy; |
| 2230 | struct nlattr *attr; |
| 2231 | struct cfg80211_acl_data *acl; |
| 2232 | int i = 0, n_entries, tmp; |
| 2233 | |
| 2234 | if (!wiphy->max_acl_mac_addrs) |
| 2235 | return ERR_PTR(-EOPNOTSUPP); |
| 2236 | |
| 2237 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) |
| 2238 | return ERR_PTR(-EINVAL); |
| 2239 | |
| 2240 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); |
| 2241 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && |
| 2242 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) |
| 2243 | return ERR_PTR(-EINVAL); |
| 2244 | |
| 2245 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) |
| 2246 | return ERR_PTR(-EINVAL); |
| 2247 | |
| 2248 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); |
| 2249 | if (n_entries < 0) |
| 2250 | return ERR_PTR(n_entries); |
| 2251 | |
| 2252 | if (n_entries > wiphy->max_acl_mac_addrs) |
| 2253 | return ERR_PTR(-ENOTSUPP); |
| 2254 | |
| 2255 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), |
| 2256 | GFP_KERNEL); |
| 2257 | if (!acl) |
| 2258 | return ERR_PTR(-ENOMEM); |
| 2259 | |
| 2260 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { |
| 2261 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); |
| 2262 | i++; |
| 2263 | } |
| 2264 | |
| 2265 | acl->n_acl_entries = n_entries; |
| 2266 | acl->acl_policy = acl_policy; |
| 2267 | |
| 2268 | return acl; |
| 2269 | } |
| 2270 | |
| 2271 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) |
| 2272 | { |
| 2273 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 2274 | struct net_device *dev = info->user_ptr[1]; |
| 2275 | struct cfg80211_acl_data *acl; |
| 2276 | int err; |
| 2277 | |
| 2278 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 2279 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 2280 | return -EOPNOTSUPP; |
| 2281 | |
| 2282 | if (!dev->ieee80211_ptr->beacon_interval) |
| 2283 | return -EINVAL; |
| 2284 | |
| 2285 | acl = parse_acl_data(&rdev->wiphy, info); |
| 2286 | if (IS_ERR(acl)) |
| 2287 | return PTR_ERR(acl); |
| 2288 | |
| 2289 | err = rdev->ops->set_mac_acl(&rdev->wiphy, dev, acl); |
| 2290 | |
| 2291 | kfree(acl); |
| 2292 | |
| 2293 | return err; |
| 2294 | } |
| 2295 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2296 | static int nl80211_parse_beacon(struct genl_info *info, |
| 2297 | struct cfg80211_beacon_data *bcn) |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2298 | { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2299 | bool haveinfo = false; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2300 | |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2301 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_BEACON_TAIL]) || |
| 2302 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]) || |
| 2303 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_PROBE_RESP]) || |
| 2304 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE_ASSOC_RESP])) |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 2305 | return -EINVAL; |
| 2306 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2307 | memset(bcn, 0, sizeof(*bcn)); |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2308 | |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2309 | if (info->attrs[NL80211_ATTR_BEACON_HEAD]) { |
Johannes Berg | 6e0d19a | 2019-09-20 21:54:17 +0200 | [diff] [blame] | 2310 | int ret = validate_beacon_head(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
| 2311 | |
| 2312 | if (ret) |
| 2313 | return ret; |
| 2314 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2315 | bcn->head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
| 2316 | bcn->head_len = nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]); |
| 2317 | if (!bcn->head_len) |
| 2318 | return -EINVAL; |
| 2319 | haveinfo = true; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2320 | } |
| 2321 | |
| 2322 | if (info->attrs[NL80211_ATTR_BEACON_TAIL]) { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2323 | bcn->tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
| 2324 | bcn->tail_len = |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2325 | nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2326 | haveinfo = true; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2327 | } |
| 2328 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2329 | if (!haveinfo) |
| 2330 | return -EINVAL; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2331 | |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2332 | if (info->attrs[NL80211_ATTR_IE]) { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2333 | bcn->beacon_ies = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 2334 | bcn->beacon_ies_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2335 | } |
| 2336 | |
| 2337 | if (info->attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2338 | bcn->proberesp_ies = |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2339 | nla_data(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2340 | bcn->proberesp_ies_len = |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2341 | nla_len(info->attrs[NL80211_ATTR_IE_PROBE_RESP]); |
| 2342 | } |
| 2343 | |
| 2344 | if (info->attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2345 | bcn->assocresp_ies = |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2346 | nla_data(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2347 | bcn->assocresp_ies_len = |
Jouni Malinen | 9946ecf | 2011-08-10 23:55:56 +0300 | [diff] [blame] | 2348 | nla_len(info->attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
| 2349 | } |
| 2350 | |
Arik Nemtsov | 00f740e | 2011-11-10 11:28:56 +0200 | [diff] [blame] | 2351 | if (info->attrs[NL80211_ATTR_PROBE_RESP]) { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2352 | bcn->probe_resp = |
Arik Nemtsov | 00f740e | 2011-11-10 11:28:56 +0200 | [diff] [blame] | 2353 | nla_data(info->attrs[NL80211_ATTR_PROBE_RESP]); |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2354 | bcn->probe_resp_len = |
Arik Nemtsov | 00f740e | 2011-11-10 11:28:56 +0200 | [diff] [blame] | 2355 | nla_len(info->attrs[NL80211_ATTR_PROBE_RESP]); |
| 2356 | } |
| 2357 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2358 | return 0; |
| 2359 | } |
| 2360 | |
| 2361 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
| 2362 | { |
| 2363 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 2364 | struct net_device *dev = info->user_ptr[1]; |
| 2365 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 2366 | struct cfg80211_ap_settings params; |
| 2367 | int err; |
| 2368 | |
| 2369 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 2370 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 2371 | return -EOPNOTSUPP; |
| 2372 | |
| 2373 | if (!rdev->ops->start_ap) |
| 2374 | return -EOPNOTSUPP; |
| 2375 | |
| 2376 | if (wdev->beacon_interval) |
| 2377 | return -EALREADY; |
| 2378 | |
| 2379 | memset(¶ms, 0, sizeof(params)); |
| 2380 | |
| 2381 | /* these are required for START_AP */ |
| 2382 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || |
| 2383 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || |
| 2384 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) |
| 2385 | return -EINVAL; |
| 2386 | |
| 2387 | err = nl80211_parse_beacon(info, ¶ms.beacon); |
| 2388 | if (err) |
| 2389 | return err; |
| 2390 | |
| 2391 | params.beacon_interval = |
| 2392 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); |
| 2393 | params.dtim_period = |
| 2394 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); |
| 2395 | |
| 2396 | err = cfg80211_validate_beacon_int(rdev, params.beacon_interval); |
| 2397 | if (err) |
| 2398 | return err; |
| 2399 | |
| 2400 | /* |
| 2401 | * In theory, some of these attributes should be required here |
| 2402 | * but since they were not used when the command was originally |
| 2403 | * added, keep them optional for old user space programs to let |
| 2404 | * them continue to work with drivers that do not need the |
| 2405 | * additional information -- drivers must check! |
| 2406 | */ |
| 2407 | if (info->attrs[NL80211_ATTR_SSID]) { |
| 2408 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
| 2409 | params.ssid_len = |
| 2410 | nla_len(info->attrs[NL80211_ATTR_SSID]); |
| 2411 | if (params.ssid_len == 0 || |
| 2412 | params.ssid_len > IEEE80211_MAX_SSID_LEN) |
| 2413 | return -EINVAL; |
| 2414 | } |
| 2415 | |
| 2416 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { |
| 2417 | params.hidden_ssid = nla_get_u32( |
| 2418 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); |
| 2419 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && |
| 2420 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && |
| 2421 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) |
| 2422 | return -EINVAL; |
| 2423 | } |
| 2424 | |
| 2425 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
| 2426 | |
| 2427 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { |
| 2428 | params.auth_type = nla_get_u32( |
| 2429 | info->attrs[NL80211_ATTR_AUTH_TYPE]); |
| 2430 | if (!nl80211_valid_auth_type(params.auth_type)) |
| 2431 | return -EINVAL; |
| 2432 | } else |
| 2433 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; |
| 2434 | |
| 2435 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, |
| 2436 | NL80211_MAX_NR_CIPHER_SUITES); |
| 2437 | if (err) |
| 2438 | return err; |
| 2439 | |
Vasanthakumar Thiagarajan | 1b658f1 | 2012-03-02 15:50:02 +0530 | [diff] [blame] | 2440 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
| 2441 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) |
| 2442 | return -EOPNOTSUPP; |
| 2443 | params.inactivity_timeout = nla_get_u16( |
| 2444 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); |
| 2445 | } |
| 2446 | |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 2447 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
| 2448 | params.acl = parse_acl_data(&rdev->wiphy, info); |
| 2449 | if (IS_ERR(params.acl)) |
| 2450 | return PTR_ERR(params.acl); |
| 2451 | } |
| 2452 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2453 | err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms); |
| 2454 | if (!err) |
| 2455 | wdev->beacon_interval = params.beacon_interval; |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 2456 | |
| 2457 | kfree(params.acl); |
| 2458 | |
Johannes Berg | 56d1893 | 2011-05-09 18:41:15 +0200 | [diff] [blame] | 2459 | return err; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2460 | } |
| 2461 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2462 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
| 2463 | { |
| 2464 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 2465 | struct net_device *dev = info->user_ptr[1]; |
| 2466 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 2467 | struct cfg80211_beacon_data params; |
| 2468 | int err; |
| 2469 | |
| 2470 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 2471 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 2472 | return -EOPNOTSUPP; |
| 2473 | |
| 2474 | if (!rdev->ops->change_beacon) |
| 2475 | return -EOPNOTSUPP; |
| 2476 | |
| 2477 | if (!wdev->beacon_interval) |
| 2478 | return -EINVAL; |
| 2479 | |
| 2480 | err = nl80211_parse_beacon(info, ¶ms); |
| 2481 | if (err) |
| 2482 | return err; |
| 2483 | |
| 2484 | return rdev->ops->change_beacon(&rdev->wiphy, dev, ¶ms); |
| 2485 | } |
| 2486 | |
| 2487 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2488 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2489 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 2490 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 56d1893 | 2011-05-09 18:41:15 +0200 | [diff] [blame] | 2491 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 2492 | int err; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2493 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2494 | if (!rdev->ops->stop_ap) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2495 | return -EOPNOTSUPP; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2496 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 2497 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2498 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 2499 | return -EOPNOTSUPP; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2500 | |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 2501 | if (!wdev->beacon_interval) |
| 2502 | return -ENOENT; |
| 2503 | |
| 2504 | err = rdev->ops->stop_ap(&rdev->wiphy, dev); |
Sameer Thalappil | c7c6d0d | 2013-06-14 17:12:12 -0700 | [diff] [blame] | 2505 | wdev->beacon_interval = 0; |
| 2506 | |
Johannes Berg | 56d1893 | 2011-05-09 18:41:15 +0200 | [diff] [blame] | 2507 | return err; |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 2508 | } |
| 2509 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2510 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
| 2511 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, |
| 2512 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, |
| 2513 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, |
Jouni Malinen | 0e46724 | 2009-05-11 21:57:55 +0300 | [diff] [blame] | 2514 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
Javier Cardona | b39c48f | 2011-04-07 15:08:30 -0700 | [diff] [blame] | 2515 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
Johannes Berg | d83023d | 2011-12-14 09:29:15 +0100 | [diff] [blame] | 2516 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2517 | }; |
| 2518 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2519 | static int parse_station_flags(struct genl_info *info, |
Johannes Berg | bdd3ae3 | 2012-01-02 13:30:03 +0100 | [diff] [blame] | 2520 | enum nl80211_iftype iftype, |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2521 | struct station_parameters *params) |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2522 | { |
| 2523 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2524 | struct nlattr *nla; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2525 | int flag; |
| 2526 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2527 | /* |
| 2528 | * Try parsing the new attribute first so userspace |
| 2529 | * can specify both for older kernels. |
| 2530 | */ |
| 2531 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; |
| 2532 | if (nla) { |
| 2533 | struct nl80211_sta_flag_update *sta_flags; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2534 | |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2535 | sta_flags = nla_data(nla); |
| 2536 | params->sta_flags_mask = sta_flags->mask; |
| 2537 | params->sta_flags_set = sta_flags->set; |
| 2538 | if ((params->sta_flags_mask | |
| 2539 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) |
| 2540 | return -EINVAL; |
| 2541 | return 0; |
| 2542 | } |
| 2543 | |
| 2544 | /* if present, parse the old attribute */ |
| 2545 | |
| 2546 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2547 | if (!nla) |
| 2548 | return 0; |
| 2549 | |
| 2550 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, |
| 2551 | nla, sta_flags_policy)) |
| 2552 | return -EINVAL; |
| 2553 | |
Johannes Berg | bdd3ae3 | 2012-01-02 13:30:03 +0100 | [diff] [blame] | 2554 | /* |
| 2555 | * Only allow certain flags for interface types so that |
| 2556 | * other attributes are silently ignored. Remember that |
| 2557 | * this is backward compatibility code with old userspace |
| 2558 | * and shouldn't be hit in other cases anyway. |
| 2559 | */ |
| 2560 | switch (iftype) { |
| 2561 | case NL80211_IFTYPE_AP: |
| 2562 | case NL80211_IFTYPE_AP_VLAN: |
| 2563 | case NL80211_IFTYPE_P2P_GO: |
| 2564 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | |
| 2565 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | |
| 2566 | BIT(NL80211_STA_FLAG_WME) | |
| 2567 | BIT(NL80211_STA_FLAG_MFP); |
| 2568 | break; |
| 2569 | case NL80211_IFTYPE_P2P_CLIENT: |
| 2570 | case NL80211_IFTYPE_STATION: |
| 2571 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | |
| 2572 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
| 2573 | break; |
| 2574 | case NL80211_IFTYPE_MESH_POINT: |
| 2575 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
| 2576 | BIT(NL80211_STA_FLAG_MFP) | |
| 2577 | BIT(NL80211_STA_FLAG_AUTHORIZED); |
| 2578 | default: |
| 2579 | return -EINVAL; |
| 2580 | } |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2581 | |
| 2582 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) |
| 2583 | if (flags[flag]) |
Johannes Berg | eccb8e8 | 2009-05-11 21:57:56 +0300 | [diff] [blame] | 2584 | params->sta_flags_set |= (1<<flag); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2585 | |
| 2586 | return 0; |
| 2587 | } |
| 2588 | |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2589 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
| 2590 | int attr) |
| 2591 | { |
| 2592 | struct nlattr *rate; |
Vladimir Kondratiev | 07e44b1 | 2012-07-05 14:25:49 +0300 | [diff] [blame] | 2593 | u32 bitrate; |
| 2594 | u16 bitrate_compat; |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2595 | |
| 2596 | rate = nla_nest_start(msg, attr); |
| 2597 | if (!rate) |
Johannes Berg | 99958b2 | 2013-03-19 14:28:37 -0700 | [diff] [blame] | 2598 | return false; |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2599 | |
| 2600 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ |
| 2601 | bitrate = cfg80211_calculate_bitrate(info); |
Vladimir Kondratiev | 07e44b1 | 2012-07-05 14:25:49 +0300 | [diff] [blame] | 2602 | /* report 16-bit bitrate only if we can */ |
| 2603 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; |
| 2604 | if (bitrate > 0 && |
| 2605 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) |
| 2606 | return false; |
| 2607 | if (bitrate_compat > 0 && |
| 2608 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) |
| 2609 | return false; |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2610 | |
Johannes Berg | 99958b2 | 2013-03-19 14:28:37 -0700 | [diff] [blame] | 2611 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
| 2612 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) |
| 2613 | return false; |
| 2614 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && |
| 2615 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) |
| 2616 | return false; |
| 2617 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
| 2618 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) |
| 2619 | return false; |
| 2620 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { |
| 2621 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) |
| 2622 | return false; |
| 2623 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) |
| 2624 | return false; |
| 2625 | if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH && |
| 2626 | nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH)) |
| 2627 | return false; |
| 2628 | if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH && |
| 2629 | nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH)) |
| 2630 | return false; |
| 2631 | if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH && |
| 2632 | nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH)) |
| 2633 | return false; |
| 2634 | if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH && |
| 2635 | nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH)) |
| 2636 | return false; |
| 2637 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
| 2638 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) |
| 2639 | return false; |
| 2640 | } |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2641 | |
| 2642 | nla_nest_end(msg, rate); |
| 2643 | return true; |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2644 | } |
| 2645 | |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2646 | static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, |
John W. Linville | 66266b3 | 2012-03-15 13:25:41 -0400 | [diff] [blame] | 2647 | int flags, |
| 2648 | struct cfg80211_registered_device *rdev, |
| 2649 | struct net_device *dev, |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 2650 | const u8 *mac_addr, struct station_info *sinfo) |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2651 | { |
| 2652 | void *hdr; |
Paul Stewart | f4263c9 | 2011-03-31 09:25:41 -0700 | [diff] [blame] | 2653 | struct nlattr *sinfoattr, *bss_param; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2654 | |
| 2655 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); |
| 2656 | if (!hdr) |
| 2657 | return -1; |
| 2658 | |
| 2659 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 2660 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); |
| 2661 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 2662 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, sinfo->generation); |
| 2663 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2664 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
| 2665 | if (!sinfoattr) |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2666 | goto nla_put_failure; |
Mohammed Shafi Shajakhan | ebe27c9 | 2011-04-08 21:24:24 +0530 | [diff] [blame] | 2667 | if (sinfo->filled & STATION_INFO_CONNECTED_TIME) |
| 2668 | NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME, |
| 2669 | sinfo->connected_time); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2670 | if (sinfo->filled & STATION_INFO_INACTIVE_TIME) |
| 2671 | NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, |
| 2672 | sinfo->inactive_time); |
| 2673 | if (sinfo->filled & STATION_INFO_RX_BYTES) |
| 2674 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, |
| 2675 | sinfo->rx_bytes); |
| 2676 | if (sinfo->filled & STATION_INFO_TX_BYTES) |
| 2677 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, |
| 2678 | sinfo->tx_bytes); |
| 2679 | if (sinfo->filled & STATION_INFO_LLID) |
| 2680 | NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, |
| 2681 | sinfo->llid); |
| 2682 | if (sinfo->filled & STATION_INFO_PLID) |
| 2683 | NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, |
| 2684 | sinfo->plid); |
| 2685 | if (sinfo->filled & STATION_INFO_PLINK_STATE) |
| 2686 | NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, |
| 2687 | sinfo->plink_state); |
John W. Linville | 66266b3 | 2012-03-15 13:25:41 -0400 | [diff] [blame] | 2688 | switch (rdev->wiphy.signal_type) { |
| 2689 | case CFG80211_SIGNAL_TYPE_MBM: |
| 2690 | if (sinfo->filled & STATION_INFO_SIGNAL) |
| 2691 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL, |
| 2692 | sinfo->signal); |
| 2693 | if (sinfo->filled & STATION_INFO_SIGNAL_AVG) |
| 2694 | NLA_PUT_U8(msg, NL80211_STA_INFO_SIGNAL_AVG, |
| 2695 | sinfo->signal_avg); |
| 2696 | break; |
| 2697 | default: |
| 2698 | break; |
| 2699 | } |
Henning Rogge | 420e7fa | 2008-12-11 22:04:19 +0100 | [diff] [blame] | 2700 | if (sinfo->filled & STATION_INFO_TX_BITRATE) { |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2701 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
| 2702 | NL80211_STA_INFO_TX_BITRATE)) |
Henning Rogge | 420e7fa | 2008-12-11 22:04:19 +0100 | [diff] [blame] | 2703 | goto nla_put_failure; |
Felix Fietkau | c8dcfd8 | 2011-02-27 22:08:00 +0100 | [diff] [blame] | 2704 | } |
| 2705 | if (sinfo->filled & STATION_INFO_RX_BITRATE) { |
| 2706 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
| 2707 | NL80211_STA_INFO_RX_BITRATE)) |
| 2708 | goto nla_put_failure; |
Henning Rogge | 420e7fa | 2008-12-11 22:04:19 +0100 | [diff] [blame] | 2709 | } |
Jouni Malinen | 98c8a60a | 2009-02-17 13:24:57 +0200 | [diff] [blame] | 2710 | if (sinfo->filled & STATION_INFO_RX_PACKETS) |
| 2711 | NLA_PUT_U32(msg, NL80211_STA_INFO_RX_PACKETS, |
| 2712 | sinfo->rx_packets); |
| 2713 | if (sinfo->filled & STATION_INFO_TX_PACKETS) |
| 2714 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_PACKETS, |
| 2715 | sinfo->tx_packets); |
Bruno Randolf | b206b4e | 2010-10-06 18:34:12 +0900 | [diff] [blame] | 2716 | if (sinfo->filled & STATION_INFO_TX_RETRIES) |
| 2717 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_RETRIES, |
| 2718 | sinfo->tx_retries); |
| 2719 | if (sinfo->filled & STATION_INFO_TX_FAILED) |
| 2720 | NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED, |
| 2721 | sinfo->tx_failed); |
Paul Stewart | a85e1d5 | 2011-12-09 11:01:49 -0800 | [diff] [blame] | 2722 | if (sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) |
| 2723 | NLA_PUT_U32(msg, NL80211_STA_INFO_BEACON_LOSS, |
| 2724 | sinfo->beacon_loss_count); |
Paul Stewart | f4263c9 | 2011-03-31 09:25:41 -0700 | [diff] [blame] | 2725 | if (sinfo->filled & STATION_INFO_BSS_PARAM) { |
| 2726 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
| 2727 | if (!bss_param) |
| 2728 | goto nla_put_failure; |
| 2729 | |
| 2730 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) |
| 2731 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT); |
| 2732 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) |
| 2733 | NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE); |
| 2734 | if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) |
| 2735 | NLA_PUT_FLAG(msg, |
| 2736 | NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME); |
| 2737 | NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, |
| 2738 | sinfo->bss_param.dtim_period); |
| 2739 | NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, |
| 2740 | sinfo->bss_param.beacon_interval); |
| 2741 | |
| 2742 | nla_nest_end(msg, bss_param); |
| 2743 | } |
Helmut Schaa | bb6e753 | 2011-10-13 16:30:39 +0200 | [diff] [blame] | 2744 | if (sinfo->filled & STATION_INFO_STA_FLAGS) |
| 2745 | NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS, |
| 2746 | sizeof(struct nl80211_sta_flag_update), |
| 2747 | &sinfo->sta_flags); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2748 | nla_nest_end(msg, sinfoattr); |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2749 | |
Felix Fietkau | 040bdf7 | 2011-08-10 19:00:33 -0600 | [diff] [blame] | 2750 | if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES) |
Jouni Malinen | 50d3dfb | 2011-08-08 12:11:52 +0300 | [diff] [blame] | 2751 | NLA_PUT(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
| 2752 | sinfo->assoc_req_ies); |
| 2753 | |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2754 | return genlmsg_end(msg, hdr); |
| 2755 | |
| 2756 | nla_put_failure: |
Thomas Graf | bc3ed28 | 2008-06-03 16:36:54 -0700 | [diff] [blame] | 2757 | genlmsg_cancel(msg, hdr); |
| 2758 | return -EMSGSIZE; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2759 | } |
| 2760 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2761 | static int nl80211_dump_station(struct sk_buff *skb, |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2762 | struct netlink_callback *cb) |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2763 | { |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2764 | struct station_info sinfo; |
| 2765 | struct cfg80211_registered_device *dev; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2766 | struct net_device *netdev; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2767 | u8 mac_addr[ETH_ALEN]; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2768 | int sta_idx = cb->args[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2769 | int err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2770 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 2771 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
| 2772 | if (err) |
| 2773 | return err; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2774 | |
| 2775 | if (!dev->ops->dump_station) { |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 2776 | err = -EOPNOTSUPP; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2777 | goto out_err; |
| 2778 | } |
| 2779 | |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2780 | while (1) { |
Jouni Malinen | f612ced | 2011-08-11 11:46:22 +0300 | [diff] [blame] | 2781 | memset(&sinfo, 0, sizeof(sinfo)); |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2782 | err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, |
| 2783 | mac_addr, &sinfo); |
| 2784 | if (err == -ENOENT) |
| 2785 | break; |
| 2786 | if (err) |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 2787 | goto out_err; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2788 | |
| 2789 | if (nl80211_send_station(skb, |
| 2790 | NETLINK_CB(cb->skb).pid, |
| 2791 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
John W. Linville | 66266b3 | 2012-03-15 13:25:41 -0400 | [diff] [blame] | 2792 | dev, netdev, mac_addr, |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2793 | &sinfo) < 0) |
| 2794 | goto out; |
| 2795 | |
| 2796 | sta_idx++; |
| 2797 | } |
| 2798 | |
| 2799 | |
| 2800 | out: |
| 2801 | cb->args[1] = sta_idx; |
| 2802 | err = skb->len; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2803 | out_err: |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 2804 | nl80211_finish_netdev_dump(dev); |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 2805 | |
| 2806 | return err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2807 | } |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2808 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2809 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
| 2810 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2811 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 2812 | struct net_device *dev = info->user_ptr[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2813 | struct station_info sinfo; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2814 | struct sk_buff *msg; |
| 2815 | u8 *mac_addr = NULL; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2816 | int err; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2817 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2818 | memset(&sinfo, 0, sizeof(sinfo)); |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2819 | |
| 2820 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 2821 | return -EINVAL; |
| 2822 | |
| 2823 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 2824 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2825 | if (!rdev->ops->get_station) |
| 2826 | return -EOPNOTSUPP; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2827 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 2828 | err = rdev->ops->get_station(&rdev->wiphy, dev, mac_addr, &sinfo); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2829 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2830 | return err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 2831 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 2832 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2833 | if (!msg) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2834 | return -ENOMEM; |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2835 | |
| 2836 | if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, |
John W. Linville | 66266b3 | 2012-03-15 13:25:41 -0400 | [diff] [blame] | 2837 | rdev, dev, mac_addr, &sinfo) < 0) { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2838 | nlmsg_free(msg); |
| 2839 | return -ENOBUFS; |
| 2840 | } |
Johannes Berg | fd5b74d | 2007-12-19 02:03:36 +0100 | [diff] [blame] | 2841 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2842 | return genlmsg_reply(msg, info); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2843 | } |
| 2844 | |
| 2845 | /* |
Felix Fietkau | c258d2d | 2009-11-11 17:23:31 +0100 | [diff] [blame] | 2846 | * Get vlan interface making sure it is running and on the right wiphy. |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2847 | */ |
Johannes Berg | 80b9989 | 2011-11-18 16:23:01 +0100 | [diff] [blame] | 2848 | static struct net_device *get_vlan(struct genl_info *info, |
| 2849 | struct cfg80211_registered_device *rdev) |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2850 | { |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 2851 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
Johannes Berg | 80b9989 | 2011-11-18 16:23:01 +0100 | [diff] [blame] | 2852 | struct net_device *v; |
| 2853 | int ret; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2854 | |
Johannes Berg | 80b9989 | 2011-11-18 16:23:01 +0100 | [diff] [blame] | 2855 | if (!vlanattr) |
| 2856 | return NULL; |
| 2857 | |
| 2858 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); |
| 2859 | if (!v) |
| 2860 | return ERR_PTR(-ENODEV); |
| 2861 | |
| 2862 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { |
| 2863 | ret = -EINVAL; |
| 2864 | goto error; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2865 | } |
Johannes Berg | 80b9989 | 2011-11-18 16:23:01 +0100 | [diff] [blame] | 2866 | |
| 2867 | if (!netif_running(v)) { |
| 2868 | ret = -ENETDOWN; |
| 2869 | goto error; |
| 2870 | } |
| 2871 | |
| 2872 | return v; |
| 2873 | error: |
| 2874 | dev_put(v); |
| 2875 | return ERR_PTR(ret); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2876 | } |
| 2877 | |
Naresh Jayaram | 23a9c6c | 2014-01-03 14:46:34 +0530 | [diff] [blame] | 2878 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
| 2879 | struct station_parameters *params) |
| 2880 | { |
| 2881 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { |
| 2882 | params->supported_channels = |
| 2883 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); |
| 2884 | params->supported_channels_len = |
| 2885 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); |
| 2886 | /* |
| 2887 | * Need to include at least one (first channel, number of |
| 2888 | * channels) tuple for each subband, and must have proper |
| 2889 | * tuples for the rest of the data as well. |
| 2890 | */ |
| 2891 | if (params->supported_channels_len < 2) |
| 2892 | return -EINVAL; |
| 2893 | if (params->supported_channels_len % 2) |
| 2894 | return -EINVAL; |
| 2895 | } |
| 2896 | |
| 2897 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { |
| 2898 | params->supported_oper_classes = |
| 2899 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); |
| 2900 | params->supported_oper_classes_len = |
| 2901 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); |
| 2902 | /* |
| 2903 | * The value of the Length field of the Supported Operating |
| 2904 | * Classes element is between 2 and 253. |
| 2905 | */ |
| 2906 | if (params->supported_oper_classes_len < 2 || |
| 2907 | params->supported_oper_classes_len > 253) |
| 2908 | return -EINVAL; |
| 2909 | } |
| 2910 | return 0; |
| 2911 | } |
| 2912 | |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 2913 | static struct nla_policy |
| 2914 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { |
| 2915 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
| 2916 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, |
| 2917 | }; |
| 2918 | |
| 2919 | static int nl80211_set_station_tdls(struct genl_info *info, |
| 2920 | struct station_parameters *params) |
| 2921 | { |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 2922 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
| 2923 | struct nlattr *nla; |
| 2924 | int err; |
| 2925 | |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 2926 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
Jouni Malinen | d0a8ac3 | 2013-06-04 19:26:05 +0530 | [diff] [blame] | 2927 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
| 2928 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 2929 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
| 2930 | params->ht_capa = |
| 2931 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); |
| 2932 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
| 2933 | params->vht_capa = |
| 2934 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); |
| 2935 | |
Naresh Jayaram | 23a9c6c | 2014-01-03 14:46:34 +0530 | [diff] [blame] | 2936 | err = nl80211_parse_sta_channel_info(info, params); |
| 2937 | if (err) |
| 2938 | return err; |
| 2939 | |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 2940 | /* parse WME attributes if present */ |
| 2941 | if (!info->attrs[NL80211_ATTR_STA_WME]) |
| 2942 | return 0; |
| 2943 | |
| 2944 | nla = info->attrs[NL80211_ATTR_STA_WME]; |
| 2945 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, |
| 2946 | nl80211_sta_wme_policy); |
| 2947 | if (err) |
| 2948 | return err; |
| 2949 | |
| 2950 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) |
| 2951 | params->uapsd_queues = nla_get_u8( |
| 2952 | tb[NL80211_STA_WME_UAPSD_QUEUES]); |
| 2953 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) |
| 2954 | return -EINVAL; |
| 2955 | |
| 2956 | if (tb[NL80211_STA_WME_MAX_SP]) |
| 2957 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); |
| 2958 | |
| 2959 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) |
| 2960 | return -EINVAL; |
| 2961 | |
| 2962 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; |
| 2963 | |
| 2964 | return 0; |
| 2965 | } |
| 2966 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2967 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
| 2968 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2969 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2970 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 2971 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2972 | struct station_parameters params; |
| 2973 | u8 *mac_addr = NULL; |
| 2974 | |
| 2975 | memset(¶ms, 0, sizeof(params)); |
| 2976 | |
| 2977 | params.listen_interval = -1; |
Javier Cardona | 57cf804 | 2011-05-13 10:45:43 -0700 | [diff] [blame] | 2978 | params.plink_state = -1; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 2979 | |
| 2980 | if (info->attrs[NL80211_ATTR_STA_AID]) |
| 2981 | return -EINVAL; |
| 2982 | |
| 2983 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 2984 | return -EINVAL; |
| 2985 | |
| 2986 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 2987 | |
| 2988 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { |
| 2989 | params.supported_rates = |
| 2990 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); |
| 2991 | params.supported_rates_len = |
| 2992 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); |
| 2993 | } |
| 2994 | |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 2995 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
| 2996 | params.capability = |
| 2997 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); |
| 2998 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; |
| 2999 | } |
| 3000 | |
| 3001 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { |
| 3002 | params.ext_capab = |
| 3003 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); |
| 3004 | params.ext_capab_len = |
| 3005 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); |
| 3006 | } |
| 3007 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3008 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
| 3009 | params.listen_interval = |
| 3010 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); |
| 3011 | |
Jouni Malinen | 36aedc9 | 2008-08-25 11:58:58 +0300 | [diff] [blame] | 3012 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
| 3013 | params.ht_capa = |
| 3014 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); |
| 3015 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3016 | if (!rdev->ops->change_station) |
| 3017 | return -EOPNOTSUPP; |
| 3018 | |
Johannes Berg | bdd3ae3 | 2012-01-02 13:30:03 +0100 | [diff] [blame] | 3019 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3020 | return -EINVAL; |
| 3021 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3022 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
| 3023 | params.plink_action = |
| 3024 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
| 3025 | |
Javier Cardona | 9c3990a | 2011-05-03 16:57:11 -0700 | [diff] [blame] | 3026 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) |
| 3027 | params.plink_state = |
| 3028 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
| 3029 | |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3030 | switch (dev->ieee80211_ptr->iftype) { |
| 3031 | case NL80211_IFTYPE_AP: |
| 3032 | case NL80211_IFTYPE_AP_VLAN: |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 3033 | case NL80211_IFTYPE_P2P_GO: |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3034 | /* disallow mesh-specific things */ |
| 3035 | if (params.plink_action) |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3036 | return -EINVAL; |
| 3037 | |
| 3038 | /* TDLS can't be set, ... */ |
| 3039 | if (params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
| 3040 | return -EINVAL; |
| 3041 | /* |
| 3042 | * ... but don't bother the driver with it. This works around |
| 3043 | * a hostapd/wpa_supplicant issue -- it always includes the |
| 3044 | * TLDS_PEER flag in the mask even for AP mode. |
| 3045 | */ |
| 3046 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); |
| 3047 | |
| 3048 | /* accept only the listed bits */ |
| 3049 | if (params.sta_flags_mask & |
| 3050 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | |
| 3051 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | |
| 3052 | BIT(NL80211_STA_FLAG_WME) | |
| 3053 | BIT(NL80211_STA_FLAG_MFP))) |
| 3054 | return -EINVAL; |
| 3055 | |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 3056 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) |
| 3057 | return -EINVAL; |
| 3058 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) |
| 3059 | return -EINVAL; |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 3060 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || |
| 3061 | info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
| 3062 | return -EINVAL; |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 3063 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3064 | /* must be last in here for error handling */ |
| 3065 | params.vlan = get_vlan(info, rdev); |
| 3066 | if (IS_ERR(params.vlan)) |
| 3067 | return PTR_ERR(params.vlan); |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3068 | break; |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 3069 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3070 | case NL80211_IFTYPE_STATION: |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3071 | /* |
| 3072 | * Don't allow userspace to change the TDLS_PEER flag, |
| 3073 | * but silently ignore attempts to change it since we |
| 3074 | * don't have state here to verify that it doesn't try |
| 3075 | * to change the flag. |
| 3076 | */ |
| 3077 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 3078 | /* Include parameters for TDLS peer (driver will check) */ |
| 3079 | err = nl80211_set_station_tdls(info, ¶ms); |
| 3080 | if (err) |
| 3081 | return err; |
| 3082 | /* disallow things sta doesn't support */ |
| 3083 | if (params.plink_action) |
| 3084 | return -EINVAL; |
| 3085 | if (params.sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | |
| 3086 | BIT(NL80211_STA_FLAG_WME))) |
| 3087 | return -EINVAL; |
| 3088 | break; |
Antonio Quartulli | 267335d | 2012-01-31 20:25:47 +0100 | [diff] [blame] | 3089 | case NL80211_IFTYPE_ADHOC: |
| 3090 | /* disallow things sta doesn't support */ |
| 3091 | if (params.plink_action) |
| 3092 | return -EINVAL; |
| 3093 | if (params.ht_capa) |
| 3094 | return -EINVAL; |
| 3095 | if (params.listen_interval >= 0) |
| 3096 | return -EINVAL; |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 3097 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || |
| 3098 | info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
| 3099 | return -EINVAL; |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3100 | /* reject any changes other than AUTHORIZED */ |
| 3101 | if (params.sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) |
| 3102 | return -EINVAL; |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3103 | break; |
| 3104 | case NL80211_IFTYPE_MESH_POINT: |
| 3105 | /* disallow things mesh doesn't support */ |
| 3106 | if (params.vlan) |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3107 | return -EINVAL; |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3108 | if (params.ht_capa) |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3109 | return -EINVAL; |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3110 | if (params.listen_interval >= 0) |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3111 | return -EINVAL; |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 3112 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) |
| 3113 | return -EINVAL; |
| 3114 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) |
| 3115 | return -EINVAL; |
Jouni Malinen | 95fcfd0 | 2013-02-14 19:10:54 +0000 | [diff] [blame] | 3116 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY] || |
| 3117 | info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
| 3118 | return -EINVAL; |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3119 | /* |
| 3120 | * No special handling for TDLS here -- the userspace |
| 3121 | * mesh code doesn't have this bug. |
| 3122 | */ |
Javier Cardona | b39c48f | 2011-04-07 15:08:30 -0700 | [diff] [blame] | 3123 | if (params.sta_flags_mask & |
| 3124 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
Thomas Pedersen | 8429828 | 2011-05-03 16:57:13 -0700 | [diff] [blame] | 3125 | BIT(NL80211_STA_FLAG_MFP) | |
Javier Cardona | b39c48f | 2011-04-07 15:08:30 -0700 | [diff] [blame] | 3126 | BIT(NL80211_STA_FLAG_AUTHORIZED))) |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3127 | return -EINVAL; |
Johannes Berg | a97f442 | 2009-06-18 17:23:43 +0200 | [diff] [blame] | 3128 | break; |
| 3129 | default: |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3130 | return -EOPNOTSUPP; |
Johannes Berg | 034d655 | 2009-05-27 10:35:29 +0200 | [diff] [blame] | 3131 | } |
| 3132 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3133 | /* be aware of params.vlan when changing code here */ |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3134 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 3135 | err = rdev->ops->change_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3136 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3137 | if (params.vlan) |
| 3138 | dev_put(params.vlan); |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3139 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3140 | return err; |
| 3141 | } |
| 3142 | |
| 3143 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) |
| 3144 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3145 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3146 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3147 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3148 | struct station_parameters params; |
| 3149 | u8 *mac_addr = NULL; |
| 3150 | |
| 3151 | memset(¶ms, 0, sizeof(params)); |
| 3152 | |
| 3153 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 3154 | return -EINVAL; |
| 3155 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3156 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
| 3157 | return -EINVAL; |
| 3158 | |
| 3159 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) |
| 3160 | return -EINVAL; |
| 3161 | |
Jouni Malinen | d0a8ac3 | 2013-06-04 19:26:05 +0530 | [diff] [blame] | 3162 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
| 3163 | !info->attrs[NL80211_ATTR_PEER_AID]) |
Thadeu Lima de Souza Cascardo | 0e956c1 | 2010-02-12 12:34:50 -0200 | [diff] [blame] | 3164 | return -EINVAL; |
| 3165 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3166 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3167 | params.supported_rates = |
| 3168 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); |
| 3169 | params.supported_rates_len = |
| 3170 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); |
| 3171 | params.listen_interval = |
| 3172 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); |
Johannes Berg | 51b50fb | 2009-05-24 16:42:30 +0200 | [diff] [blame] | 3173 | |
Jouni Malinen | c45f00f | 2013-06-17 17:51:57 +0530 | [diff] [blame] | 3174 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
Jouni Malinen | d0a8ac3 | 2013-06-04 19:26:05 +0530 | [diff] [blame] | 3175 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
Jouni Malinen | c45f00f | 2013-06-17 17:51:57 +0530 | [diff] [blame] | 3176 | else |
| 3177 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); |
Thadeu Lima de Souza Cascardo | 0e956c1 | 2010-02-12 12:34:50 -0200 | [diff] [blame] | 3178 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
| 3179 | return -EINVAL; |
Johannes Berg | 51b50fb | 2009-05-24 16:42:30 +0200 | [diff] [blame] | 3180 | |
Jouni Malinen | 1400ced | 2013-02-14 19:10:13 +0000 | [diff] [blame] | 3181 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
| 3182 | params.capability = |
| 3183 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); |
| 3184 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; |
| 3185 | } |
| 3186 | |
| 3187 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { |
| 3188 | params.ext_capab = |
| 3189 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); |
| 3190 | params.ext_capab_len = |
| 3191 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); |
| 3192 | } |
| 3193 | |
Jouni Malinen | 36aedc9 | 2008-08-25 11:58:58 +0300 | [diff] [blame] | 3194 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
| 3195 | params.ht_capa = |
| 3196 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3197 | |
Mahesh Palivela | cf7f78d | 2012-10-11 08:04:52 +0000 | [diff] [blame] | 3198 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
| 3199 | params.vht_capa = |
| 3200 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); |
| 3201 | |
Javier Cardona | 96b78df | 2011-04-07 15:08:33 -0700 | [diff] [blame] | 3202 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
| 3203 | params.plink_action = |
| 3204 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
| 3205 | |
Naresh Jayaram | 23a9c6c | 2014-01-03 14:46:34 +0530 | [diff] [blame] | 3206 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
| 3207 | if (err) |
| 3208 | return err; |
| 3209 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3210 | if (!rdev->ops->add_station) |
| 3211 | return -EOPNOTSUPP; |
| 3212 | |
Johannes Berg | bdd3ae3 | 2012-01-02 13:30:03 +0100 | [diff] [blame] | 3213 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3214 | return -EINVAL; |
| 3215 | |
Johannes Berg | de3a3d7 | 2015-03-12 08:53:27 +0200 | [diff] [blame] | 3216 | /* HT requires QoS, but if we don't have that just ignore HT/VHT |
| 3217 | * as userspace might just pass through the capabilities from the IEs |
| 3218 | * directly, rather than enforcing this restriction and returning an |
| 3219 | * error in this case. |
| 3220 | */ |
| 3221 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) |
| 3222 | params.ht_capa = NULL; |
| 3223 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3224 | switch (dev->ieee80211_ptr->iftype) { |
| 3225 | case NL80211_IFTYPE_AP: |
| 3226 | case NL80211_IFTYPE_AP_VLAN: |
| 3227 | case NL80211_IFTYPE_P2P_GO: |
| 3228 | /* parse WME attributes if sta is WME capable */ |
| 3229 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
| 3230 | (params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)) && |
| 3231 | info->attrs[NL80211_ATTR_STA_WME]) { |
| 3232 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
| 3233 | struct nlattr *nla; |
Eliad Peller | c75786c | 2011-08-23 14:37:46 +0300 | [diff] [blame] | 3234 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3235 | nla = info->attrs[NL80211_ATTR_STA_WME]; |
| 3236 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, |
| 3237 | nl80211_sta_wme_policy); |
| 3238 | if (err) |
| 3239 | return err; |
Eliad Peller | c75786c | 2011-08-23 14:37:46 +0300 | [diff] [blame] | 3240 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3241 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) |
| 3242 | params.uapsd_queues = |
| 3243 | nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]); |
| 3244 | if (params.uapsd_queues & |
| 3245 | ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) |
| 3246 | return -EINVAL; |
| 3247 | |
| 3248 | if (tb[NL80211_STA_WME_MAX_SP]) |
| 3249 | params.max_sp = |
| 3250 | nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); |
| 3251 | |
| 3252 | if (params.max_sp & |
| 3253 | ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) |
| 3254 | return -EINVAL; |
| 3255 | |
| 3256 | params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; |
| 3257 | } |
| 3258 | /* TDLS peers cannot be added */ |
Jouni Malinen | c45f00f | 2013-06-17 17:51:57 +0530 | [diff] [blame] | 3259 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
| 3260 | info->attrs[NL80211_ATTR_PEER_AID]) |
Johannes Berg | 4319e19 | 2011-09-07 11:50:48 +0200 | [diff] [blame] | 3261 | return -EINVAL; |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3262 | /* but don't bother the driver with it */ |
| 3263 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); |
Eliad Peller | c75786c | 2011-08-23 14:37:46 +0300 | [diff] [blame] | 3264 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3265 | /* must be last in here for error handling */ |
| 3266 | params.vlan = get_vlan(info, rdev); |
| 3267 | if (IS_ERR(params.vlan)) |
| 3268 | return PTR_ERR(params.vlan); |
| 3269 | break; |
| 3270 | case NL80211_IFTYPE_MESH_POINT: |
| 3271 | /* TDLS peers cannot be added */ |
Jouni Malinen | c45f00f | 2013-06-17 17:51:57 +0530 | [diff] [blame] | 3272 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
| 3273 | info->attrs[NL80211_ATTR_PEER_AID]) |
Johannes Berg | 4319e19 | 2011-09-07 11:50:48 +0200 | [diff] [blame] | 3274 | return -EINVAL; |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3275 | break; |
| 3276 | case NL80211_IFTYPE_STATION: |
Johannes Berg | 43e652a | 2013-03-04 08:29:46 +0000 | [diff] [blame] | 3277 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3278 | /* Only TDLS peers can be added */ |
| 3279 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) |
| 3280 | return -EINVAL; |
| 3281 | /* Can only add if TDLS ... */ |
| 3282 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) |
| 3283 | return -EOPNOTSUPP; |
| 3284 | /* ... with external setup is supported */ |
| 3285 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) |
| 3286 | return -EOPNOTSUPP; |
| 3287 | break; |
| 3288 | default: |
| 3289 | return -EOPNOTSUPP; |
Eliad Peller | c75786c | 2011-08-23 14:37:46 +0300 | [diff] [blame] | 3290 | } |
| 3291 | |
Johannes Berg | bdd90d5 | 2011-12-14 12:20:27 +0100 | [diff] [blame] | 3292 | /* be aware of params.vlan when changing code here */ |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3293 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 3294 | err = rdev->ops->add_station(&rdev->wiphy, dev, mac_addr, ¶ms); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3295 | |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3296 | if (params.vlan) |
| 3297 | dev_put(params.vlan); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3298 | return err; |
| 3299 | } |
| 3300 | |
| 3301 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) |
| 3302 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3303 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3304 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3305 | u8 *mac_addr = NULL; |
| 3306 | |
| 3307 | if (info->attrs[NL80211_ATTR_MAC]) |
| 3308 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3309 | |
Johannes Berg | e80cf85 | 2009-05-11 14:43:13 +0200 | [diff] [blame] | 3310 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
Marco Porsch | d5d9de0 | 2010-03-30 10:00:16 +0200 | [diff] [blame] | 3311 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 3312 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3313 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 3314 | return -EINVAL; |
Johannes Berg | e80cf85 | 2009-05-11 14:43:13 +0200 | [diff] [blame] | 3315 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3316 | if (!rdev->ops->del_station) |
| 3317 | return -EOPNOTSUPP; |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3318 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3319 | return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 3320 | } |
| 3321 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3322 | static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, |
| 3323 | int flags, struct net_device *dev, |
| 3324 | u8 *dst, u8 *next_hop, |
| 3325 | struct mpath_info *pinfo) |
| 3326 | { |
| 3327 | void *hdr; |
| 3328 | struct nlattr *pinfoattr; |
| 3329 | |
| 3330 | hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); |
| 3331 | if (!hdr) |
| 3332 | return -1; |
| 3333 | |
| 3334 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 3335 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); |
| 3336 | NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); |
| 3337 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 3338 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, pinfo->generation); |
| 3339 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3340 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
| 3341 | if (!pinfoattr) |
| 3342 | goto nla_put_failure; |
| 3343 | if (pinfo->filled & MPATH_INFO_FRAME_QLEN) |
| 3344 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, |
| 3345 | pinfo->frame_qlen); |
Rui Paulo | d19b3bf | 2009-11-09 23:46:55 +0000 | [diff] [blame] | 3346 | if (pinfo->filled & MPATH_INFO_SN) |
| 3347 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_SN, |
| 3348 | pinfo->sn); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3349 | if (pinfo->filled & MPATH_INFO_METRIC) |
| 3350 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, |
| 3351 | pinfo->metric); |
| 3352 | if (pinfo->filled & MPATH_INFO_EXPTIME) |
| 3353 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, |
| 3354 | pinfo->exptime); |
| 3355 | if (pinfo->filled & MPATH_INFO_FLAGS) |
| 3356 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, |
| 3357 | pinfo->flags); |
| 3358 | if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) |
| 3359 | NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, |
| 3360 | pinfo->discovery_timeout); |
| 3361 | if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) |
| 3362 | NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, |
| 3363 | pinfo->discovery_retries); |
| 3364 | |
| 3365 | nla_nest_end(msg, pinfoattr); |
| 3366 | |
| 3367 | return genlmsg_end(msg, hdr); |
| 3368 | |
| 3369 | nla_put_failure: |
Thomas Graf | bc3ed28 | 2008-06-03 16:36:54 -0700 | [diff] [blame] | 3370 | genlmsg_cancel(msg, hdr); |
| 3371 | return -EMSGSIZE; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3372 | } |
| 3373 | |
| 3374 | static int nl80211_dump_mpath(struct sk_buff *skb, |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3375 | struct netlink_callback *cb) |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3376 | { |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3377 | struct mpath_info pinfo; |
| 3378 | struct cfg80211_registered_device *dev; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3379 | struct net_device *netdev; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3380 | u8 dst[ETH_ALEN]; |
| 3381 | u8 next_hop[ETH_ALEN]; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3382 | int path_idx = cb->args[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3383 | int err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3384 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 3385 | err = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
| 3386 | if (err) |
| 3387 | return err; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3388 | |
| 3389 | if (!dev->ops->dump_mpath) { |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 3390 | err = -EOPNOTSUPP; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3391 | goto out_err; |
| 3392 | } |
| 3393 | |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 3394 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) { |
| 3395 | err = -EOPNOTSUPP; |
Roel Kluin | 0448b5f | 2009-08-22 21:15:49 +0200 | [diff] [blame] | 3396 | goto out_err; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 3397 | } |
| 3398 | |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3399 | while (1) { |
| 3400 | err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, |
| 3401 | dst, next_hop, &pinfo); |
| 3402 | if (err == -ENOENT) |
| 3403 | break; |
| 3404 | if (err) |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3405 | goto out_err; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3406 | |
| 3407 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, |
| 3408 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
| 3409 | netdev, dst, next_hop, |
| 3410 | &pinfo) < 0) |
| 3411 | goto out; |
| 3412 | |
| 3413 | path_idx++; |
| 3414 | } |
| 3415 | |
| 3416 | |
| 3417 | out: |
| 3418 | cb->args[1] = path_idx; |
| 3419 | err = skb->len; |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3420 | out_err: |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 3421 | nl80211_finish_netdev_dump(dev); |
Johannes Berg | bba95fe | 2008-07-29 13:22:51 +0200 | [diff] [blame] | 3422 | return err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3423 | } |
| 3424 | |
| 3425 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) |
| 3426 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3427 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3428 | int err; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3429 | struct net_device *dev = info->user_ptr[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3430 | struct mpath_info pinfo; |
| 3431 | struct sk_buff *msg; |
| 3432 | u8 *dst = NULL; |
| 3433 | u8 next_hop[ETH_ALEN]; |
| 3434 | |
| 3435 | memset(&pinfo, 0, sizeof(pinfo)); |
| 3436 | |
| 3437 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 3438 | return -EINVAL; |
| 3439 | |
| 3440 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3441 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3442 | if (!rdev->ops->get_mpath) |
| 3443 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3444 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3445 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
| 3446 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 3447 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 3448 | err = rdev->ops->get_mpath(&rdev->wiphy, dev, dst, next_hop, &pinfo); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3449 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3450 | return err; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3451 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 3452 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3453 | if (!msg) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3454 | return -ENOMEM; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3455 | |
| 3456 | if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3457 | dev, dst, next_hop, &pinfo) < 0) { |
| 3458 | nlmsg_free(msg); |
| 3459 | return -ENOBUFS; |
| 3460 | } |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3461 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3462 | return genlmsg_reply(msg, info); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3463 | } |
| 3464 | |
| 3465 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) |
| 3466 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3467 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3468 | struct net_device *dev = info->user_ptr[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3469 | u8 *dst = NULL; |
| 3470 | u8 *next_hop = NULL; |
| 3471 | |
| 3472 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 3473 | return -EINVAL; |
| 3474 | |
| 3475 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) |
| 3476 | return -EINVAL; |
| 3477 | |
| 3478 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3479 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); |
| 3480 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3481 | if (!rdev->ops->change_mpath) |
| 3482 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3483 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3484 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
| 3485 | return -EOPNOTSUPP; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3486 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3487 | return rdev->ops->change_mpath(&rdev->wiphy, dev, dst, next_hop); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3488 | } |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3489 | |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3490 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
| 3491 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3492 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3493 | struct net_device *dev = info->user_ptr[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3494 | u8 *dst = NULL; |
| 3495 | u8 *next_hop = NULL; |
| 3496 | |
| 3497 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 3498 | return -EINVAL; |
| 3499 | |
| 3500 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) |
| 3501 | return -EINVAL; |
| 3502 | |
| 3503 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3504 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); |
| 3505 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3506 | if (!rdev->ops->add_mpath) |
| 3507 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3508 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3509 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
| 3510 | return -EOPNOTSUPP; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3511 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3512 | return rdev->ops->add_mpath(&rdev->wiphy, dev, dst, next_hop); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3513 | } |
| 3514 | |
| 3515 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) |
| 3516 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3517 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3518 | struct net_device *dev = info->user_ptr[1]; |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3519 | u8 *dst = NULL; |
| 3520 | |
| 3521 | if (info->attrs[NL80211_ATTR_MAC]) |
| 3522 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 3523 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3524 | if (!rdev->ops->del_mpath) |
| 3525 | return -EOPNOTSUPP; |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3526 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3527 | return rdev->ops->del_mpath(&rdev->wiphy, dev, dst); |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 3528 | } |
| 3529 | |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3530 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
| 3531 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3532 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3533 | struct net_device *dev = info->user_ptr[1]; |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3534 | struct bss_parameters params; |
| 3535 | |
| 3536 | memset(¶ms, 0, sizeof(params)); |
| 3537 | /* default to not changing parameters */ |
| 3538 | params.use_cts_prot = -1; |
| 3539 | params.use_short_preamble = -1; |
| 3540 | params.use_short_slot_time = -1; |
Felix Fietkau | fd8aaaf | 2010-04-27 01:23:35 +0200 | [diff] [blame] | 3541 | params.ap_isolate = -1; |
Helmut Schaa | 50b12f5 | 2010-11-19 12:40:25 +0100 | [diff] [blame] | 3542 | params.ht_opmode = -1; |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3543 | |
| 3544 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) |
| 3545 | params.use_cts_prot = |
| 3546 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); |
| 3547 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) |
| 3548 | params.use_short_preamble = |
| 3549 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); |
| 3550 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) |
| 3551 | params.use_short_slot_time = |
| 3552 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); |
Jouni Malinen | 90c97a0 | 2008-10-30 16:59:22 +0200 | [diff] [blame] | 3553 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
| 3554 | params.basic_rates = |
| 3555 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); |
| 3556 | params.basic_rates_len = |
| 3557 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); |
| 3558 | } |
Felix Fietkau | fd8aaaf | 2010-04-27 01:23:35 +0200 | [diff] [blame] | 3559 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
| 3560 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); |
Helmut Schaa | 50b12f5 | 2010-11-19 12:40:25 +0100 | [diff] [blame] | 3561 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
| 3562 | params.ht_opmode = |
| 3563 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3564 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3565 | if (!rdev->ops->change_bss) |
| 3566 | return -EOPNOTSUPP; |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3567 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 3568 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3569 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 3570 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 3571 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3572 | return rdev->ops->change_bss(&rdev->wiphy, dev, ¶ms); |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 3573 | } |
| 3574 | |
Alexey Dobriyan | b54452b | 2010-02-18 08:14:31 +0000 | [diff] [blame] | 3575 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 3576 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, |
| 3577 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, |
| 3578 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, |
| 3579 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, |
| 3580 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, |
| 3581 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, |
| 3582 | }; |
| 3583 | |
| 3584 | static int parse_reg_rule(struct nlattr *tb[], |
| 3585 | struct ieee80211_reg_rule *reg_rule) |
| 3586 | { |
| 3587 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; |
| 3588 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; |
| 3589 | |
| 3590 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) |
| 3591 | return -EINVAL; |
| 3592 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) |
| 3593 | return -EINVAL; |
| 3594 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) |
| 3595 | return -EINVAL; |
| 3596 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) |
| 3597 | return -EINVAL; |
| 3598 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) |
| 3599 | return -EINVAL; |
| 3600 | |
| 3601 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); |
| 3602 | |
| 3603 | freq_range->start_freq_khz = |
| 3604 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); |
| 3605 | freq_range->end_freq_khz = |
| 3606 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); |
| 3607 | freq_range->max_bandwidth_khz = |
| 3608 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); |
| 3609 | |
| 3610 | power_rule->max_eirp = |
| 3611 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); |
| 3612 | |
| 3613 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) |
| 3614 | power_rule->max_antenna_gain = |
| 3615 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); |
| 3616 | |
| 3617 | return 0; |
| 3618 | } |
| 3619 | |
| 3620 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
| 3621 | { |
| 3622 | int r; |
| 3623 | char *data = NULL; |
| 3624 | |
Luis R. Rodriguez | 80778f1 | 2009-02-21 00:04:22 -0500 | [diff] [blame] | 3625 | /* |
| 3626 | * You should only get this when cfg80211 hasn't yet initialized |
| 3627 | * completely when built-in to the kernel right between the time |
| 3628 | * window between nl80211_init() and regulatory_init(), if that is |
| 3629 | * even possible. |
| 3630 | */ |
| 3631 | mutex_lock(&cfg80211_mutex); |
| 3632 | if (unlikely(!cfg80211_regdomain)) { |
Luis R. Rodriguez | fe33eb3 | 2009-02-21 00:04:30 -0500 | [diff] [blame] | 3633 | mutex_unlock(&cfg80211_mutex); |
| 3634 | return -EINPROGRESS; |
Luis R. Rodriguez | 80778f1 | 2009-02-21 00:04:22 -0500 | [diff] [blame] | 3635 | } |
Luis R. Rodriguez | fe33eb3 | 2009-02-21 00:04:30 -0500 | [diff] [blame] | 3636 | mutex_unlock(&cfg80211_mutex); |
Luis R. Rodriguez | 80778f1 | 2009-02-21 00:04:22 -0500 | [diff] [blame] | 3637 | |
Luis R. Rodriguez | fe33eb3 | 2009-02-21 00:04:30 -0500 | [diff] [blame] | 3638 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
| 3639 | return -EINVAL; |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 3640 | |
| 3641 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); |
| 3642 | |
Luis R. Rodriguez | fe33eb3 | 2009-02-21 00:04:30 -0500 | [diff] [blame] | 3643 | r = regulatory_hint_user(data); |
| 3644 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 3645 | return r; |
| 3646 | } |
| 3647 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3648 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3649 | struct genl_info *info) |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3650 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3651 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3652 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3653 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 3654 | struct mesh_config cur_params; |
| 3655 | int err = 0; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3656 | void *hdr; |
| 3657 | struct nlattr *pinfoattr; |
| 3658 | struct sk_buff *msg; |
| 3659 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3660 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
| 3661 | return -EOPNOTSUPP; |
| 3662 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3663 | if (!rdev->ops->get_mesh_config) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3664 | return -EOPNOTSUPP; |
Jouni Malinen | f3f9258 | 2009-03-20 17:57:36 +0200 | [diff] [blame] | 3665 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3666 | wdev_lock(wdev); |
| 3667 | /* If not connected, get default parameters */ |
| 3668 | if (!wdev->mesh_id_len) |
| 3669 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); |
| 3670 | else |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3671 | err = rdev->ops->get_mesh_config(&rdev->wiphy, dev, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3672 | &cur_params); |
| 3673 | wdev_unlock(wdev); |
| 3674 | |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3675 | if (err) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3676 | return err; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3677 | |
| 3678 | /* Draw up a netlink message to send back */ |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 3679 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3680 | if (!msg) |
| 3681 | return -ENOMEM; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3682 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3683 | NL80211_CMD_GET_MESH_CONFIG); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3684 | if (!hdr) |
Julia Lawall | efe1cf0 | 2011-01-28 15:17:11 +0100 | [diff] [blame] | 3685 | goto out; |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3686 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3687 | if (!pinfoattr) |
| 3688 | goto nla_put_failure; |
| 3689 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 3690 | NLA_PUT_U16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, |
| 3691 | cur_params.dot11MeshRetryTimeout); |
| 3692 | NLA_PUT_U16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
| 3693 | cur_params.dot11MeshConfirmTimeout); |
| 3694 | NLA_PUT_U16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, |
| 3695 | cur_params.dot11MeshHoldingTimeout); |
| 3696 | NLA_PUT_U16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, |
| 3697 | cur_params.dot11MeshMaxPeerLinks); |
| 3698 | NLA_PUT_U8(msg, NL80211_MESHCONF_MAX_RETRIES, |
| 3699 | cur_params.dot11MeshMaxRetries); |
| 3700 | NLA_PUT_U8(msg, NL80211_MESHCONF_TTL, |
| 3701 | cur_params.dot11MeshTTL); |
Javier Cardona | 45904f2 | 2010-12-03 09:20:40 +0100 | [diff] [blame] | 3702 | NLA_PUT_U8(msg, NL80211_MESHCONF_ELEMENT_TTL, |
| 3703 | cur_params.element_ttl); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3704 | NLA_PUT_U8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
| 3705 | cur_params.auto_open_plinks); |
| 3706 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
| 3707 | cur_params.dot11MeshHWMPmaxPREQretries); |
| 3708 | NLA_PUT_U32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, |
| 3709 | cur_params.path_refresh_time); |
| 3710 | NLA_PUT_U16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
| 3711 | cur_params.min_discovery_timeout); |
| 3712 | NLA_PUT_U32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
| 3713 | cur_params.dot11MeshHWMPactivePathTimeout); |
| 3714 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, |
| 3715 | cur_params.dot11MeshHWMPpreqMinInterval); |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 3716 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, |
| 3717 | cur_params.dot11MeshHWMPperrMinInterval); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3718 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
| 3719 | cur_params.dot11MeshHWMPnetDiameterTraversalTime); |
Rui Paulo | 63c5723 | 2009-11-09 23:46:57 +0000 | [diff] [blame] | 3720 | NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, |
| 3721 | cur_params.dot11MeshHWMPRootMode); |
Javier Cardona | 0507e15 | 2011-08-09 16:45:10 -0700 | [diff] [blame] | 3722 | NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
| 3723 | cur_params.dot11MeshHWMPRannInterval); |
Javier Cardona | 16dd726 | 2011-08-09 16:45:11 -0700 | [diff] [blame] | 3724 | NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
| 3725 | cur_params.dot11MeshGateAnnouncementProtocol); |
Chun-Yeow Yeoh | 94f9065 | 2012-01-21 01:02:16 +0800 | [diff] [blame] | 3726 | NLA_PUT_U8(msg, NL80211_MESHCONF_FORWARDING, |
| 3727 | cur_params.dot11MeshForwarding); |
Ashok Nagarajan | 5533513 | 2012-02-28 17:04:08 -0800 | [diff] [blame] | 3728 | NLA_PUT_U32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
| 3729 | cur_params.rssi_threshold); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3730 | nla_nest_end(msg, pinfoattr); |
| 3731 | genlmsg_end(msg, hdr); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3732 | return genlmsg_reply(msg, info); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3733 | |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 3734 | nla_put_failure: |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3735 | genlmsg_cancel(msg, hdr); |
Julia Lawall | efe1cf0 | 2011-01-28 15:17:11 +0100 | [diff] [blame] | 3736 | out: |
Yuri Ershov | d080e27 | 2010-06-29 15:08:07 +0400 | [diff] [blame] | 3737 | nlmsg_free(msg); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 3738 | return -ENOBUFS; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3739 | } |
| 3740 | |
Alexey Dobriyan | b54452b | 2010-02-18 08:14:31 +0000 | [diff] [blame] | 3741 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3742 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
| 3743 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, |
| 3744 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, |
| 3745 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, |
| 3746 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, |
| 3747 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, |
Javier Cardona | 45904f2 | 2010-12-03 09:20:40 +0100 | [diff] [blame] | 3748 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3749 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
| 3750 | |
| 3751 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
| 3752 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, |
| 3753 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, |
| 3754 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, |
| 3755 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 3756 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3757 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
Javier Cardona | 699403d | 2011-08-09 16:45:09 -0700 | [diff] [blame] | 3758 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
Javier Cardona | 0507e15 | 2011-08-09 16:45:10 -0700 | [diff] [blame] | 3759 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
Javier Cardona | 16dd726 | 2011-08-09 16:45:11 -0700 | [diff] [blame] | 3760 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
Chun-Yeow Yeoh | 94f9065 | 2012-01-21 01:02:16 +0800 | [diff] [blame] | 3761 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
Ashok Nagarajan | 5533513 | 2012-02-28 17:04:08 -0800 | [diff] [blame] | 3762 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32}, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3763 | }; |
| 3764 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3765 | static const struct nla_policy |
| 3766 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { |
| 3767 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
| 3768 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, |
Javier Cardona | 15d5dda | 2011-04-07 15:08:28 -0700 | [diff] [blame] | 3769 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 3770 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3771 | .len = IEEE80211_MAX_DATA_LEN }, |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 3772 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3773 | }; |
| 3774 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3775 | static int nl80211_parse_mesh_config(struct genl_info *info, |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3776 | struct mesh_config *cfg, |
| 3777 | u32 *mask_out) |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3778 | { |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3779 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3780 | u32 mask = 0; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3781 | |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3782 | #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \ |
| 3783 | do {\ |
| 3784 | if (table[attr_num]) {\ |
| 3785 | cfg->param = nla_fn(table[attr_num]); \ |
| 3786 | mask |= (1 << (attr_num - 1)); \ |
| 3787 | } \ |
| 3788 | } while (0);\ |
| 3789 | |
| 3790 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3791 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3792 | return -EINVAL; |
| 3793 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3794 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3795 | nl80211_meshconf_params_policy)) |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3796 | return -EINVAL; |
| 3797 | |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3798 | /* This makes sure that there aren't more than 32 mesh config |
| 3799 | * parameters (otherwise our bitfield scheme would not work.) */ |
| 3800 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); |
| 3801 | |
| 3802 | /* Fill in the params struct */ |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3803 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, |
| 3804 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); |
| 3805 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, |
| 3806 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); |
| 3807 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, |
| 3808 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); |
| 3809 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, |
| 3810 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); |
| 3811 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, |
| 3812 | mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); |
| 3813 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, |
| 3814 | mask, NL80211_MESHCONF_TTL, nla_get_u8); |
Javier Cardona | 45904f2 | 2010-12-03 09:20:40 +0100 | [diff] [blame] | 3815 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, |
| 3816 | mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3817 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, |
| 3818 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); |
| 3819 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, |
| 3820 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
| 3821 | nla_get_u8); |
| 3822 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, |
| 3823 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); |
| 3824 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, |
| 3825 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
| 3826 | nla_get_u16); |
| 3827 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
| 3828 | mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
| 3829 | nla_get_u32); |
| 3830 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
| 3831 | mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, |
| 3832 | nla_get_u16); |
Thomas Pedersen | dca7e94 | 2011-11-24 17:15:24 -0800 | [diff] [blame] | 3833 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
| 3834 | mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, |
| 3835 | nla_get_u16); |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3836 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
| 3837 | dot11MeshHWMPnetDiameterTraversalTime, |
| 3838 | mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
| 3839 | nla_get_u16); |
Rui Paulo | 63c5723 | 2009-11-09 23:46:57 +0000 | [diff] [blame] | 3840 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
| 3841 | dot11MeshHWMPRootMode, mask, |
| 3842 | NL80211_MESHCONF_HWMP_ROOTMODE, |
| 3843 | nla_get_u8); |
Javier Cardona | 0507e15 | 2011-08-09 16:45:10 -0700 | [diff] [blame] | 3844 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
| 3845 | dot11MeshHWMPRannInterval, mask, |
| 3846 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, |
| 3847 | nla_get_u16); |
Javier Cardona | 16dd726 | 2011-08-09 16:45:11 -0700 | [diff] [blame] | 3848 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
| 3849 | dot11MeshGateAnnouncementProtocol, mask, |
| 3850 | NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
| 3851 | nla_get_u8); |
Chun-Yeow Yeoh | 94f9065 | 2012-01-21 01:02:16 +0800 | [diff] [blame] | 3852 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, |
| 3853 | mask, NL80211_MESHCONF_FORWARDING, nla_get_u8); |
Ashok Nagarajan | 5533513 | 2012-02-28 17:04:08 -0800 | [diff] [blame] | 3854 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, |
| 3855 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32); |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3856 | if (mask_out) |
| 3857 | *mask_out = mask; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3858 | |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3859 | return 0; |
| 3860 | |
| 3861 | #undef FILL_IN_MESH_PARAM_IF_SET |
| 3862 | } |
| 3863 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3864 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
| 3865 | struct mesh_setup *setup) |
| 3866 | { |
| 3867 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
| 3868 | |
| 3869 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) |
| 3870 | return -EINVAL; |
| 3871 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, |
| 3872 | info->attrs[NL80211_ATTR_MESH_SETUP], |
| 3873 | nl80211_mesh_setup_params_policy)) |
| 3874 | return -EINVAL; |
| 3875 | |
| 3876 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
| 3877 | setup->path_sel_proto = |
| 3878 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? |
| 3879 | IEEE80211_PATH_PROTOCOL_VENDOR : |
| 3880 | IEEE80211_PATH_PROTOCOL_HWMP; |
| 3881 | |
| 3882 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) |
| 3883 | setup->path_metric = |
| 3884 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? |
| 3885 | IEEE80211_PATH_METRIC_VENDOR : |
| 3886 | IEEE80211_PATH_METRIC_AIRTIME; |
| 3887 | |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 3888 | |
| 3889 | if (tb[NL80211_MESH_SETUP_IE]) { |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3890 | struct nlattr *ieattr = |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 3891 | tb[NL80211_MESH_SETUP_IE]; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3892 | if (!is_valid_ie_attr(ieattr)) |
| 3893 | return -EINVAL; |
Javier Cardona | 581a8b0 | 2011-04-07 15:08:27 -0700 | [diff] [blame] | 3894 | setup->ie = nla_data(ieattr); |
| 3895 | setup->ie_len = nla_len(ieattr); |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3896 | } |
Javier Cardona | b130e5c | 2011-05-03 16:57:07 -0700 | [diff] [blame] | 3897 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
| 3898 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 3899 | |
| 3900 | return 0; |
| 3901 | } |
| 3902 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3903 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3904 | struct genl_info *info) |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3905 | { |
| 3906 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 3907 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3908 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3909 | struct mesh_config cfg; |
| 3910 | u32 mask; |
| 3911 | int err; |
| 3912 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3913 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
| 3914 | return -EOPNOTSUPP; |
| 3915 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3916 | if (!rdev->ops->update_mesh_config) |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3917 | return -EOPNOTSUPP; |
| 3918 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3919 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
Johannes Berg | bd90fdc | 2010-12-03 09:20:43 +0100 | [diff] [blame] | 3920 | if (err) |
| 3921 | return err; |
| 3922 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3923 | wdev_lock(wdev); |
| 3924 | if (!wdev->mesh_id_len) |
| 3925 | err = -ENOLINK; |
| 3926 | |
| 3927 | if (!err) |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 3928 | err = rdev->ops->update_mesh_config(&rdev->wiphy, dev, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 3929 | mask, &cfg); |
| 3930 | |
| 3931 | wdev_unlock(wdev); |
| 3932 | |
| 3933 | return err; |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 3934 | } |
| 3935 | |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 3936 | static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) |
| 3937 | { |
| 3938 | struct sk_buff *msg; |
| 3939 | void *hdr = NULL; |
| 3940 | struct nlattr *nl_reg_rules; |
| 3941 | unsigned int i; |
| 3942 | int err = -EINVAL; |
| 3943 | |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 3944 | mutex_lock(&cfg80211_mutex); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 3945 | |
| 3946 | if (!cfg80211_regdomain) |
| 3947 | goto out; |
| 3948 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 3949 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 3950 | if (!msg) { |
| 3951 | err = -ENOBUFS; |
| 3952 | goto out; |
| 3953 | } |
| 3954 | |
| 3955 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 3956 | NL80211_CMD_GET_REG); |
| 3957 | if (!hdr) |
Julia Lawall | efe1cf0 | 2011-01-28 15:17:11 +0100 | [diff] [blame] | 3958 | goto put_failure; |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 3959 | |
| 3960 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, |
| 3961 | cfg80211_regdomain->alpha2); |
Luis R. Rodriguez | 8b60b07 | 2011-10-11 10:59:02 -0700 | [diff] [blame] | 3962 | if (cfg80211_regdomain->dfs_region) |
| 3963 | NLA_PUT_U8(msg, NL80211_ATTR_DFS_REGION, |
| 3964 | cfg80211_regdomain->dfs_region); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 3965 | |
| 3966 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
| 3967 | if (!nl_reg_rules) |
| 3968 | goto nla_put_failure; |
| 3969 | |
| 3970 | for (i = 0; i < cfg80211_regdomain->n_reg_rules; i++) { |
| 3971 | struct nlattr *nl_reg_rule; |
| 3972 | const struct ieee80211_reg_rule *reg_rule; |
| 3973 | const struct ieee80211_freq_range *freq_range; |
| 3974 | const struct ieee80211_power_rule *power_rule; |
| 3975 | |
| 3976 | reg_rule = &cfg80211_regdomain->reg_rules[i]; |
| 3977 | freq_range = ®_rule->freq_range; |
| 3978 | power_rule = ®_rule->power_rule; |
| 3979 | |
| 3980 | nl_reg_rule = nla_nest_start(msg, i); |
| 3981 | if (!nl_reg_rule) |
| 3982 | goto nla_put_failure; |
| 3983 | |
| 3984 | NLA_PUT_U32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
| 3985 | reg_rule->flags); |
| 3986 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_START, |
| 3987 | freq_range->start_freq_khz); |
| 3988 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_END, |
| 3989 | freq_range->end_freq_khz); |
| 3990 | NLA_PUT_U32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, |
| 3991 | freq_range->max_bandwidth_khz); |
| 3992 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
| 3993 | power_rule->max_antenna_gain); |
| 3994 | NLA_PUT_U32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, |
| 3995 | power_rule->max_eirp); |
| 3996 | |
| 3997 | nla_nest_end(msg, nl_reg_rule); |
| 3998 | } |
| 3999 | |
| 4000 | nla_nest_end(msg, nl_reg_rules); |
| 4001 | |
| 4002 | genlmsg_end(msg, hdr); |
Johannes Berg | 134e637 | 2009-07-10 09:51:34 +0000 | [diff] [blame] | 4003 | err = genlmsg_reply(msg, info); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 4004 | goto out; |
| 4005 | |
| 4006 | nla_put_failure: |
| 4007 | genlmsg_cancel(msg, hdr); |
Julia Lawall | efe1cf0 | 2011-01-28 15:17:11 +0100 | [diff] [blame] | 4008 | put_failure: |
Yuri Ershov | d080e27 | 2010-06-29 15:08:07 +0400 | [diff] [blame] | 4009 | nlmsg_free(msg); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 4010 | err = -EMSGSIZE; |
| 4011 | out: |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 4012 | mutex_unlock(&cfg80211_mutex); |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 4013 | return err; |
| 4014 | } |
| 4015 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4016 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
| 4017 | { |
| 4018 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; |
| 4019 | struct nlattr *nl_reg_rule; |
| 4020 | char *alpha2 = NULL; |
| 4021 | int rem_reg_rules = 0, r = 0; |
| 4022 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
Luis R. Rodriguez | 8b60b07 | 2011-10-11 10:59:02 -0700 | [diff] [blame] | 4023 | u8 dfs_region = 0; |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4024 | struct ieee80211_regdomain *rd = NULL; |
| 4025 | |
| 4026 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
| 4027 | return -EINVAL; |
| 4028 | |
| 4029 | if (!info->attrs[NL80211_ATTR_REG_RULES]) |
| 4030 | return -EINVAL; |
| 4031 | |
| 4032 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); |
| 4033 | |
Luis R. Rodriguez | 8b60b07 | 2011-10-11 10:59:02 -0700 | [diff] [blame] | 4034 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
| 4035 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); |
| 4036 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4037 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
| 4038 | rem_reg_rules) { |
| 4039 | num_rules++; |
| 4040 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) |
Luis R. Rodriguez | 4776c6e | 2009-05-13 17:04:39 -0400 | [diff] [blame] | 4041 | return -EINVAL; |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4042 | } |
| 4043 | |
Luis R. Rodriguez | 61405e9 | 2009-05-13 17:04:41 -0400 | [diff] [blame] | 4044 | mutex_lock(&cfg80211_mutex); |
| 4045 | |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4046 | if (!reg_is_valid_request(alpha2)) { |
| 4047 | r = -EINVAL; |
| 4048 | goto bad_reg; |
| 4049 | } |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4050 | |
| 4051 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
| 4052 | (num_rules * sizeof(struct ieee80211_reg_rule)); |
| 4053 | |
| 4054 | rd = kzalloc(size_of_regd, GFP_KERNEL); |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4055 | if (!rd) { |
| 4056 | r = -ENOMEM; |
| 4057 | goto bad_reg; |
| 4058 | } |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4059 | |
| 4060 | rd->n_reg_rules = num_rules; |
| 4061 | rd->alpha2[0] = alpha2[0]; |
| 4062 | rd->alpha2[1] = alpha2[1]; |
| 4063 | |
Luis R. Rodriguez | 8b60b07 | 2011-10-11 10:59:02 -0700 | [diff] [blame] | 4064 | /* |
| 4065 | * Disable DFS master mode if the DFS region was |
| 4066 | * not supported or known on this kernel. |
| 4067 | */ |
| 4068 | if (reg_supported_dfs_region(dfs_region)) |
| 4069 | rd->dfs_region = dfs_region; |
| 4070 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4071 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
| 4072 | rem_reg_rules) { |
| 4073 | nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, |
| 4074 | nla_data(nl_reg_rule), nla_len(nl_reg_rule), |
| 4075 | reg_rule_policy); |
| 4076 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
| 4077 | if (r) |
| 4078 | goto bad_reg; |
| 4079 | |
| 4080 | rule_idx++; |
| 4081 | |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4082 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
| 4083 | r = -EINVAL; |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4084 | goto bad_reg; |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4085 | } |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4086 | } |
| 4087 | |
| 4088 | BUG_ON(rule_idx != num_rules); |
| 4089 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4090 | r = set_regdom(rd); |
Luis R. Rodriguez | 61405e9 | 2009-05-13 17:04:41 -0400 | [diff] [blame] | 4091 | |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 4092 | mutex_unlock(&cfg80211_mutex); |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4093 | |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4094 | return r; |
| 4095 | |
Johannes Berg | d2372b3 | 2008-10-24 20:32:20 +0200 | [diff] [blame] | 4096 | bad_reg: |
Luis R. Rodriguez | 61405e9 | 2009-05-13 17:04:41 -0400 | [diff] [blame] | 4097 | mutex_unlock(&cfg80211_mutex); |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4098 | kfree(rd); |
Luis R. Rodriguez | d0e18f8 | 2009-05-13 17:04:40 -0400 | [diff] [blame] | 4099 | return r; |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 4100 | } |
| 4101 | |
Johannes Berg | 83f5e2c | 2009-06-17 17:41:49 +0200 | [diff] [blame] | 4102 | static int validate_scan_freqs(struct nlattr *freqs) |
| 4103 | { |
| 4104 | struct nlattr *attr1, *attr2; |
| 4105 | int n_channels = 0, tmp1, tmp2; |
| 4106 | |
| 4107 | nla_for_each_nested(attr1, freqs, tmp1) { |
| 4108 | n_channels++; |
| 4109 | /* |
| 4110 | * Some hardware has a limited channel list for |
| 4111 | * scanning, and it is pretty much nonsensical |
| 4112 | * to scan for a channel twice, so disallow that |
| 4113 | * and don't require drivers to check that the |
| 4114 | * channel list they get isn't longer than what |
| 4115 | * they can scan, as long as they can scan all |
| 4116 | * the channels they registered at once. |
| 4117 | */ |
| 4118 | nla_for_each_nested(attr2, freqs, tmp2) |
| 4119 | if (attr1 != attr2 && |
| 4120 | nla_get_u32(attr1) == nla_get_u32(attr2)) |
| 4121 | return 0; |
| 4122 | } |
| 4123 | |
| 4124 | return n_channels; |
| 4125 | } |
| 4126 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4127 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
| 4128 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4129 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 4130 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4131 | struct cfg80211_scan_request *request; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4132 | struct nlattr *attr; |
| 4133 | struct wiphy *wiphy; |
Johannes Berg | 83f5e2c | 2009-06-17 17:41:49 +0200 | [diff] [blame] | 4134 | int err, tmp, n_ssids = 0, n_channels, i; |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4135 | size_t ie_len; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4136 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 4137 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 4138 | return -EINVAL; |
| 4139 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4140 | wiphy = &rdev->wiphy; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4141 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4142 | if (!rdev->ops->scan) |
| 4143 | return -EOPNOTSUPP; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4144 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4145 | if (rdev->scan_req) |
| 4146 | return -EBUSY; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4147 | |
| 4148 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
Johannes Berg | 83f5e2c | 2009-06-17 17:41:49 +0200 | [diff] [blame] | 4149 | n_channels = validate_scan_freqs( |
| 4150 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4151 | if (!n_channels) |
| 4152 | return -EINVAL; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4153 | } else { |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4154 | enum ieee80211_band band; |
Johannes Berg | 83f5e2c | 2009-06-17 17:41:49 +0200 | [diff] [blame] | 4155 | n_channels = 0; |
| 4156 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4157 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
| 4158 | if (wiphy->bands[band]) |
| 4159 | n_channels += wiphy->bands[band]->n_channels; |
| 4160 | } |
| 4161 | |
| 4162 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) |
| 4163 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) |
| 4164 | n_ssids++; |
| 4165 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4166 | if (n_ssids > wiphy->max_scan_ssids) |
| 4167 | return -EINVAL; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4168 | |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4169 | if (info->attrs[NL80211_ATTR_IE]) |
| 4170 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 4171 | else |
| 4172 | ie_len = 0; |
| 4173 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4174 | if (ie_len > wiphy->max_scan_ie_len) |
| 4175 | return -EINVAL; |
Johannes Berg | 18a8365 | 2009-03-31 12:12:05 +0200 | [diff] [blame] | 4176 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4177 | request = kzalloc(sizeof(*request) |
Luciano Coelho | a2cd43c | 2011-05-18 11:42:03 +0300 | [diff] [blame] | 4178 | + sizeof(*request->ssids) * n_ssids |
| 4179 | + sizeof(*request->channels) * n_channels |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4180 | + ie_len, GFP_KERNEL); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4181 | if (!request) |
| 4182 | return -ENOMEM; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4183 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4184 | if (n_ssids) |
Johannes Berg | 5ba6353 | 2009-08-07 17:54:07 +0200 | [diff] [blame] | 4185 | request->ssids = (void *)&request->channels[n_channels]; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4186 | request->n_ssids = n_ssids; |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4187 | if (ie_len) { |
| 4188 | if (request->ssids) |
| 4189 | request->ie = (void *)(request->ssids + n_ssids); |
| 4190 | else |
| 4191 | request->ie = (void *)(request->channels + n_channels); |
| 4192 | } |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4193 | |
Johannes Berg | 584991d | 2009-11-02 13:32:03 +0100 | [diff] [blame] | 4194 | i = 0; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4195 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
| 4196 | /* user specified, bail out if channel not found */ |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4197 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
Johannes Berg | 584991d | 2009-11-02 13:32:03 +0100 | [diff] [blame] | 4198 | struct ieee80211_channel *chan; |
| 4199 | |
| 4200 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); |
| 4201 | |
| 4202 | if (!chan) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4203 | err = -EINVAL; |
| 4204 | goto out_free; |
| 4205 | } |
Johannes Berg | 584991d | 2009-11-02 13:32:03 +0100 | [diff] [blame] | 4206 | |
| 4207 | /* ignore disabled channels */ |
| 4208 | if (chan->flags & IEEE80211_CHAN_DISABLED) |
| 4209 | continue; |
| 4210 | |
| 4211 | request->channels[i] = chan; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4212 | i++; |
| 4213 | } |
| 4214 | } else { |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4215 | enum ieee80211_band band; |
| 4216 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4217 | /* all channels */ |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4218 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
| 4219 | int j; |
| 4220 | if (!wiphy->bands[band]) |
| 4221 | continue; |
| 4222 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { |
Johannes Berg | 584991d | 2009-11-02 13:32:03 +0100 | [diff] [blame] | 4223 | struct ieee80211_channel *chan; |
| 4224 | |
| 4225 | chan = &wiphy->bands[band]->channels[j]; |
| 4226 | |
| 4227 | if (chan->flags & IEEE80211_CHAN_DISABLED) |
| 4228 | continue; |
| 4229 | |
| 4230 | request->channels[i] = chan; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4231 | i++; |
| 4232 | } |
| 4233 | } |
| 4234 | } |
| 4235 | |
Johannes Berg | 584991d | 2009-11-02 13:32:03 +0100 | [diff] [blame] | 4236 | if (!i) { |
| 4237 | err = -EINVAL; |
| 4238 | goto out_free; |
| 4239 | } |
| 4240 | |
| 4241 | request->n_channels = i; |
| 4242 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4243 | i = 0; |
| 4244 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { |
| 4245 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
Luciano Coelho | 57a27e1 | 2011-06-07 20:42:26 +0300 | [diff] [blame] | 4246 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4247 | err = -EINVAL; |
| 4248 | goto out_free; |
| 4249 | } |
Luciano Coelho | 57a27e1 | 2011-06-07 20:42:26 +0300 | [diff] [blame] | 4250 | request->ssids[i].ssid_len = nla_len(attr); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4251 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4252 | i++; |
| 4253 | } |
| 4254 | } |
| 4255 | |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4256 | if (info->attrs[NL80211_ATTR_IE]) { |
| 4257 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
Johannes Berg | de95a54 | 2009-04-01 11:58:36 +0200 | [diff] [blame] | 4258 | memcpy((void *)request->ie, |
| 4259 | nla_data(info->attrs[NL80211_ATTR_IE]), |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4260 | request->ie_len); |
| 4261 | } |
Sunil Dutt Undekari | 08166fc | 2012-03-05 21:01:23 +0530 | [diff] [blame] | 4262 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
Sunil Dutt Undekari | ae86f14 | 2012-03-16 20:17:03 +0530 | [diff] [blame] | 4263 | if (wiphy->bands[i]) |
| 4264 | request->rates[i] = |
| 4265 | (1 << wiphy->bands[i]->n_bitrates) - 1; |
Sunil Dutt Undekari | 08166fc | 2012-03-05 21:01:23 +0530 | [diff] [blame] | 4266 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { |
| 4267 | nla_for_each_nested(attr, |
| 4268 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], |
| 4269 | tmp) { |
| 4270 | enum ieee80211_band band = nla_type(attr); |
| 4271 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
| 4272 | err = -EINVAL; |
| 4273 | goto out_free; |
| 4274 | } |
| 4275 | err = ieee80211_get_ratemask(wiphy->bands[band], |
| 4276 | nla_data(attr), |
| 4277 | nla_len(attr), |
| 4278 | &request->rates[band]); |
| 4279 | if (err) |
| 4280 | goto out_free; |
| 4281 | } |
| 4282 | } |
Jouni Malinen | 70692ad | 2009-02-16 19:39:13 +0200 | [diff] [blame] | 4283 | |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4284 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
Johannes Berg | a401d2b | 2011-07-20 00:52:16 +0200 | [diff] [blame] | 4285 | if (wiphy->bands[i]) |
| 4286 | request->rates[i] = |
| 4287 | (1 << wiphy->bands[i]->n_bitrates) - 1; |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4288 | |
| 4289 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { |
| 4290 | nla_for_each_nested(attr, |
| 4291 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], |
| 4292 | tmp) { |
| 4293 | enum ieee80211_band band = nla_type(attr); |
| 4294 | |
Dan Carpenter | 8440462 | 2011-07-29 11:52:18 +0300 | [diff] [blame] | 4295 | if (band < 0 || band >= IEEE80211_NUM_BANDS) { |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4296 | err = -EINVAL; |
| 4297 | goto out_free; |
| 4298 | } |
Felix Fietkau | 0f718b6 | 2013-11-20 18:40:41 +0000 | [diff] [blame] | 4299 | |
| 4300 | if (!wiphy->bands[band]) |
| 4301 | continue; |
| 4302 | |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 4303 | err = ieee80211_get_ratemask(wiphy->bands[band], |
| 4304 | nla_data(attr), |
| 4305 | nla_len(attr), |
| 4306 | &request->rates[band]); |
| 4307 | if (err) |
| 4308 | goto out_free; |
| 4309 | } |
| 4310 | } |
| 4311 | |
Rajkumar Manoharan | e9f935e | 2011-09-25 14:53:30 +0530 | [diff] [blame] | 4312 | request->no_cck = |
| 4313 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
| 4314 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 4315 | request->dev = dev; |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4316 | request->wiphy = &rdev->wiphy; |
Sunil Dutt Undekari | 08166fc | 2012-03-05 21:01:23 +0530 | [diff] [blame] | 4317 | request->no_cck = |
| 4318 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4319 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4320 | rdev->scan_req = request; |
| 4321 | err = rdev->ops->scan(&rdev->wiphy, dev, request); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4322 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 4323 | if (!err) { |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4324 | nl80211_send_scan_start(rdev, dev); |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 4325 | dev_hold(dev); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4326 | } else { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4327 | out_free: |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4328 | rdev->scan_req = NULL; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4329 | kfree(request); |
| 4330 | } |
Johannes Berg | 3b85875 | 2009-03-12 09:55:09 +0100 | [diff] [blame] | 4331 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4332 | return err; |
| 4333 | } |
| 4334 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4335 | static int nl80211_start_sched_scan(struct sk_buff *skb, |
| 4336 | struct genl_info *info) |
| 4337 | { |
| 4338 | struct cfg80211_sched_scan_request *request; |
| 4339 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 4340 | struct net_device *dev = info->user_ptr[1]; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4341 | struct nlattr *attr; |
| 4342 | struct wiphy *wiphy; |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4343 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i; |
Luciano Coelho | bbe6ad6 | 2011-05-11 17:09:37 +0300 | [diff] [blame] | 4344 | u32 interval; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4345 | enum ieee80211_band band; |
| 4346 | size_t ie_len; |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4347 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4348 | |
| 4349 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || |
| 4350 | !rdev->ops->sched_scan_start) |
| 4351 | return -EOPNOTSUPP; |
| 4352 | |
| 4353 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 4354 | return -EINVAL; |
| 4355 | |
Luciano Coelho | bbe6ad6 | 2011-05-11 17:09:37 +0300 | [diff] [blame] | 4356 | if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) |
| 4357 | return -EINVAL; |
| 4358 | |
| 4359 | interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
| 4360 | if (interval == 0) |
| 4361 | return -EINVAL; |
| 4362 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4363 | wiphy = &rdev->wiphy; |
| 4364 | |
| 4365 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
| 4366 | n_channels = validate_scan_freqs( |
| 4367 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
| 4368 | if (!n_channels) |
| 4369 | return -EINVAL; |
| 4370 | } else { |
| 4371 | n_channels = 0; |
| 4372 | |
| 4373 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) |
| 4374 | if (wiphy->bands[band]) |
| 4375 | n_channels += wiphy->bands[band]->n_channels; |
| 4376 | } |
| 4377 | |
| 4378 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) |
| 4379 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], |
| 4380 | tmp) |
| 4381 | n_ssids++; |
| 4382 | |
Luciano Coelho | 93b6aa6 | 2011-07-13 14:57:28 +0300 | [diff] [blame] | 4383 | if (n_ssids > wiphy->max_sched_scan_ssids) |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4384 | return -EINVAL; |
| 4385 | |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4386 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) |
| 4387 | nla_for_each_nested(attr, |
| 4388 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
| 4389 | tmp) |
| 4390 | n_match_sets++; |
| 4391 | |
| 4392 | if (n_match_sets > wiphy->max_match_sets) |
| 4393 | return -EINVAL; |
| 4394 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4395 | if (info->attrs[NL80211_ATTR_IE]) |
| 4396 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 4397 | else |
| 4398 | ie_len = 0; |
| 4399 | |
Luciano Coelho | 5a865ba | 2011-07-13 14:57:29 +0300 | [diff] [blame] | 4400 | if (ie_len > wiphy->max_sched_scan_ie_len) |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4401 | return -EINVAL; |
| 4402 | |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 4403 | mutex_lock(&rdev->sched_scan_mtx); |
| 4404 | |
| 4405 | if (rdev->sched_scan_req) { |
| 4406 | err = -EINPROGRESS; |
| 4407 | goto out; |
| 4408 | } |
| 4409 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4410 | request = kzalloc(sizeof(*request) |
Luciano Coelho | a2cd43c | 2011-05-18 11:42:03 +0300 | [diff] [blame] | 4411 | + sizeof(*request->ssids) * n_ssids |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4412 | + sizeof(*request->match_sets) * n_match_sets |
Luciano Coelho | a2cd43c | 2011-05-18 11:42:03 +0300 | [diff] [blame] | 4413 | + sizeof(*request->channels) * n_channels |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4414 | + ie_len, GFP_KERNEL); |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 4415 | if (!request) { |
| 4416 | err = -ENOMEM; |
| 4417 | goto out; |
| 4418 | } |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4419 | |
| 4420 | if (n_ssids) |
| 4421 | request->ssids = (void *)&request->channels[n_channels]; |
| 4422 | request->n_ssids = n_ssids; |
| 4423 | if (ie_len) { |
| 4424 | if (request->ssids) |
| 4425 | request->ie = (void *)(request->ssids + n_ssids); |
| 4426 | else |
| 4427 | request->ie = (void *)(request->channels + n_channels); |
| 4428 | } |
| 4429 | |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4430 | if (n_match_sets) { |
| 4431 | if (request->ie) |
| 4432 | request->match_sets = (void *)(request->ie + ie_len); |
| 4433 | else if (request->ssids) |
| 4434 | request->match_sets = |
| 4435 | (void *)(request->ssids + n_ssids); |
| 4436 | else |
| 4437 | request->match_sets = |
| 4438 | (void *)(request->channels + n_channels); |
| 4439 | } |
| 4440 | request->n_match_sets = n_match_sets; |
| 4441 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4442 | i = 0; |
| 4443 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
| 4444 | /* user specified, bail out if channel not found */ |
| 4445 | nla_for_each_nested(attr, |
| 4446 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
| 4447 | tmp) { |
| 4448 | struct ieee80211_channel *chan; |
| 4449 | |
| 4450 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); |
| 4451 | |
| 4452 | if (!chan) { |
| 4453 | err = -EINVAL; |
| 4454 | goto out_free; |
| 4455 | } |
| 4456 | |
| 4457 | /* ignore disabled channels */ |
| 4458 | if (chan->flags & IEEE80211_CHAN_DISABLED) |
| 4459 | continue; |
| 4460 | |
| 4461 | request->channels[i] = chan; |
| 4462 | i++; |
| 4463 | } |
| 4464 | } else { |
| 4465 | /* all channels */ |
| 4466 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
| 4467 | int j; |
| 4468 | if (!wiphy->bands[band]) |
| 4469 | continue; |
| 4470 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { |
| 4471 | struct ieee80211_channel *chan; |
| 4472 | |
| 4473 | chan = &wiphy->bands[band]->channels[j]; |
| 4474 | |
| 4475 | if (chan->flags & IEEE80211_CHAN_DISABLED) |
| 4476 | continue; |
| 4477 | |
| 4478 | request->channels[i] = chan; |
| 4479 | i++; |
| 4480 | } |
| 4481 | } |
| 4482 | } |
| 4483 | |
| 4484 | if (!i) { |
| 4485 | err = -EINVAL; |
| 4486 | goto out_free; |
| 4487 | } |
| 4488 | |
| 4489 | request->n_channels = i; |
| 4490 | |
| 4491 | i = 0; |
| 4492 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { |
| 4493 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], |
| 4494 | tmp) { |
Luciano Coelho | 57a27e1 | 2011-06-07 20:42:26 +0300 | [diff] [blame] | 4495 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4496 | err = -EINVAL; |
| 4497 | goto out_free; |
| 4498 | } |
Luciano Coelho | 57a27e1 | 2011-06-07 20:42:26 +0300 | [diff] [blame] | 4499 | request->ssids[i].ssid_len = nla_len(attr); |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4500 | memcpy(request->ssids[i].ssid, nla_data(attr), |
| 4501 | nla_len(attr)); |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4502 | i++; |
| 4503 | } |
| 4504 | } |
| 4505 | |
Luciano Coelho | a1f1c21 | 2011-08-31 16:01:48 +0300 | [diff] [blame] | 4506 | i = 0; |
| 4507 | if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
| 4508 | nla_for_each_nested(attr, |
| 4509 | info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
| 4510 | tmp) { |
| 4511 | struct nlattr *ssid; |
| 4512 | |
| 4513 | nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, |
| 4514 | nla_data(attr), nla_len(attr), |
| 4515 | nl80211_match_policy); |
| 4516 | ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID]; |
| 4517 | if (ssid) { |
| 4518 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { |
| 4519 | err = -EINVAL; |
| 4520 | goto out_free; |
| 4521 | } |
| 4522 | memcpy(request->match_sets[i].ssid.ssid, |
| 4523 | nla_data(ssid), nla_len(ssid)); |
| 4524 | request->match_sets[i].ssid.ssid_len = |
| 4525 | nla_len(ssid); |
| 4526 | } |
| 4527 | i++; |
| 4528 | } |
| 4529 | } |
| 4530 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4531 | if (info->attrs[NL80211_ATTR_IE]) { |
| 4532 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 4533 | memcpy((void *)request->ie, |
| 4534 | nla_data(info->attrs[NL80211_ATTR_IE]), |
| 4535 | request->ie_len); |
| 4536 | } |
| 4537 | |
| 4538 | request->dev = dev; |
| 4539 | request->wiphy = &rdev->wiphy; |
Luciano Coelho | bbe6ad6 | 2011-05-11 17:09:37 +0300 | [diff] [blame] | 4540 | request->interval = interval; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4541 | |
| 4542 | err = rdev->ops->sched_scan_start(&rdev->wiphy, dev, request); |
| 4543 | if (!err) { |
| 4544 | rdev->sched_scan_req = request; |
| 4545 | nl80211_send_sched_scan(rdev, dev, |
| 4546 | NL80211_CMD_START_SCHED_SCAN); |
| 4547 | goto out; |
| 4548 | } |
| 4549 | |
| 4550 | out_free: |
| 4551 | kfree(request); |
| 4552 | out: |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 4553 | mutex_unlock(&rdev->sched_scan_mtx); |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4554 | return err; |
| 4555 | } |
| 4556 | |
| 4557 | static int nl80211_stop_sched_scan(struct sk_buff *skb, |
| 4558 | struct genl_info *info) |
| 4559 | { |
| 4560 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 4561 | int err; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4562 | |
| 4563 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || |
| 4564 | !rdev->ops->sched_scan_stop) |
| 4565 | return -EOPNOTSUPP; |
| 4566 | |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 4567 | mutex_lock(&rdev->sched_scan_mtx); |
| 4568 | err = __cfg80211_stop_sched_scan(rdev, false); |
| 4569 | mutex_unlock(&rdev->sched_scan_mtx); |
| 4570 | |
| 4571 | return err; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 4572 | } |
| 4573 | |
Johannes Berg | 9720bb3 | 2011-06-21 09:45:33 +0200 | [diff] [blame] | 4574 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
| 4575 | u32 seq, int flags, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4576 | struct cfg80211_registered_device *rdev, |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4577 | struct wireless_dev *wdev, |
| 4578 | struct cfg80211_internal_bss *intbss) |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4579 | { |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4580 | struct cfg80211_bss *res = &intbss->pub; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4581 | void *hdr; |
| 4582 | struct nlattr *bss; |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4583 | |
| 4584 | ASSERT_WDEV_LOCK(wdev); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4585 | |
Johannes Berg | 9720bb3 | 2011-06-21 09:45:33 +0200 | [diff] [blame] | 4586 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4587 | NL80211_CMD_NEW_SCAN_RESULTS); |
| 4588 | if (!hdr) |
| 4589 | return -1; |
| 4590 | |
Johannes Berg | 9720bb3 | 2011-06-21 09:45:33 +0200 | [diff] [blame] | 4591 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
| 4592 | |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 4593 | NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation); |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4594 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4595 | |
| 4596 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); |
| 4597 | if (!bss) |
| 4598 | goto nla_put_failure; |
| 4599 | if (!is_zero_ether_addr(res->bssid)) |
| 4600 | NLA_PUT(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid); |
| 4601 | if (res->information_elements && res->len_information_elements) |
| 4602 | NLA_PUT(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
| 4603 | res->len_information_elements, |
| 4604 | res->information_elements); |
Jouni Malinen | 34a6edd | 2010-01-06 16:19:24 +0200 | [diff] [blame] | 4605 | if (res->beacon_ies && res->len_beacon_ies && |
| 4606 | res->beacon_ies != res->information_elements) |
| 4607 | NLA_PUT(msg, NL80211_BSS_BEACON_IES, |
| 4608 | res->len_beacon_ies, res->beacon_ies); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4609 | if (res->tsf) |
| 4610 | NLA_PUT_U64(msg, NL80211_BSS_TSF, res->tsf); |
| 4611 | if (res->beacon_interval) |
| 4612 | NLA_PUT_U16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval); |
| 4613 | NLA_PUT_U16(msg, NL80211_BSS_CAPABILITY, res->capability); |
| 4614 | NLA_PUT_U32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq); |
Holger Schurig | 7c89606 | 2009-09-24 12:21:01 +0200 | [diff] [blame] | 4615 | NLA_PUT_U32(msg, NL80211_BSS_SEEN_MS_AGO, |
| 4616 | jiffies_to_msecs(jiffies - intbss->ts)); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4617 | |
Johannes Berg | 77965c9 | 2009-02-18 18:45:06 +0100 | [diff] [blame] | 4618 | switch (rdev->wiphy.signal_type) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4619 | case CFG80211_SIGNAL_TYPE_MBM: |
| 4620 | NLA_PUT_U32(msg, NL80211_BSS_SIGNAL_MBM, res->signal); |
| 4621 | break; |
| 4622 | case CFG80211_SIGNAL_TYPE_UNSPEC: |
| 4623 | NLA_PUT_U8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal); |
| 4624 | break; |
| 4625 | default: |
| 4626 | break; |
| 4627 | } |
| 4628 | |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4629 | switch (wdev->iftype) { |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 4630 | case NL80211_IFTYPE_P2P_CLIENT: |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4631 | case NL80211_IFTYPE_STATION: |
| 4632 | if (intbss == wdev->current_bss) |
| 4633 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, |
| 4634 | NL80211_BSS_STATUS_ASSOCIATED); |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4635 | break; |
| 4636 | case NL80211_IFTYPE_ADHOC: |
| 4637 | if (intbss == wdev->current_bss) |
| 4638 | NLA_PUT_U32(msg, NL80211_BSS_STATUS, |
| 4639 | NL80211_BSS_STATUS_IBSS_JOINED); |
| 4640 | break; |
| 4641 | default: |
| 4642 | break; |
| 4643 | } |
| 4644 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4645 | nla_nest_end(msg, bss); |
| 4646 | |
| 4647 | return genlmsg_end(msg, hdr); |
| 4648 | |
| 4649 | nla_put_failure: |
| 4650 | genlmsg_cancel(msg, hdr); |
| 4651 | return -EMSGSIZE; |
| 4652 | } |
| 4653 | |
| 4654 | static int nl80211_dump_scan(struct sk_buff *skb, |
| 4655 | struct netlink_callback *cb) |
| 4656 | { |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4657 | struct cfg80211_registered_device *rdev; |
| 4658 | struct net_device *dev; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4659 | struct cfg80211_internal_bss *scan; |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4660 | struct wireless_dev *wdev; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4661 | int start = cb->args[1], idx = 0; |
| 4662 | int err; |
| 4663 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4664 | err = nl80211_prepare_netdev_dump(skb, cb, &rdev, &dev); |
| 4665 | if (err) |
| 4666 | return err; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4667 | |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4668 | wdev = dev->ieee80211_ptr; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4669 | |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4670 | wdev_lock(wdev); |
| 4671 | spin_lock_bh(&rdev->bss_lock); |
| 4672 | cfg80211_bss_expire(rdev); |
| 4673 | |
Johannes Berg | 9720bb3 | 2011-06-21 09:45:33 +0200 | [diff] [blame] | 4674 | cb->seq = rdev->bss_generation; |
| 4675 | |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4676 | list_for_each_entry(scan, &rdev->bss_list, list) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4677 | if (++idx <= start) |
| 4678 | continue; |
Johannes Berg | 9720bb3 | 2011-06-21 09:45:33 +0200 | [diff] [blame] | 4679 | if (nl80211_send_bss(skb, cb, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4680 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4681 | rdev, wdev, scan) < 0) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4682 | idx--; |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4683 | break; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4684 | } |
| 4685 | } |
| 4686 | |
Johannes Berg | 48ab905 | 2009-07-10 18:42:31 +0200 | [diff] [blame] | 4687 | spin_unlock_bh(&rdev->bss_lock); |
| 4688 | wdev_unlock(wdev); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4689 | |
| 4690 | cb->args[1] = idx; |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4691 | nl80211_finish_netdev_dump(rdev); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4692 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4693 | return skb->len; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 4694 | } |
| 4695 | |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4696 | static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, |
| 4697 | int flags, struct net_device *dev, |
| 4698 | struct survey_info *survey) |
| 4699 | { |
| 4700 | void *hdr; |
| 4701 | struct nlattr *infoattr; |
| 4702 | |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4703 | hdr = nl80211hdr_put(msg, pid, seq, flags, |
| 4704 | NL80211_CMD_NEW_SURVEY_RESULTS); |
| 4705 | if (!hdr) |
| 4706 | return -ENOMEM; |
| 4707 | |
| 4708 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 4709 | |
| 4710 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); |
| 4711 | if (!infoattr) |
| 4712 | goto nla_put_failure; |
| 4713 | |
| 4714 | NLA_PUT_U32(msg, NL80211_SURVEY_INFO_FREQUENCY, |
| 4715 | survey->channel->center_freq); |
| 4716 | if (survey->filled & SURVEY_INFO_NOISE_DBM) |
| 4717 | NLA_PUT_U8(msg, NL80211_SURVEY_INFO_NOISE, |
| 4718 | survey->noise); |
Felix Fietkau | 17e5a80 | 2010-09-29 17:15:30 +0200 | [diff] [blame] | 4719 | if (survey->filled & SURVEY_INFO_IN_USE) |
| 4720 | NLA_PUT_FLAG(msg, NL80211_SURVEY_INFO_IN_USE); |
Felix Fietkau | 8610c29a | 2010-10-09 02:39:29 +0200 | [diff] [blame] | 4721 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME) |
| 4722 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME, |
| 4723 | survey->channel_time); |
| 4724 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) |
| 4725 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY, |
| 4726 | survey->channel_time_busy); |
| 4727 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) |
| 4728 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY, |
| 4729 | survey->channel_time_ext_busy); |
| 4730 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) |
| 4731 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX, |
| 4732 | survey->channel_time_rx); |
| 4733 | if (survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) |
| 4734 | NLA_PUT_U64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX, |
| 4735 | survey->channel_time_tx); |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4736 | |
| 4737 | nla_nest_end(msg, infoattr); |
| 4738 | |
| 4739 | return genlmsg_end(msg, hdr); |
| 4740 | |
| 4741 | nla_put_failure: |
| 4742 | genlmsg_cancel(msg, hdr); |
| 4743 | return -EMSGSIZE; |
| 4744 | } |
| 4745 | |
| 4746 | static int nl80211_dump_survey(struct sk_buff *skb, |
| 4747 | struct netlink_callback *cb) |
| 4748 | { |
| 4749 | struct survey_info survey; |
| 4750 | struct cfg80211_registered_device *dev; |
| 4751 | struct net_device *netdev; |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4752 | int survey_idx = cb->args[1]; |
| 4753 | int res; |
| 4754 | |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4755 | res = nl80211_prepare_netdev_dump(skb, cb, &dev, &netdev); |
| 4756 | if (res) |
| 4757 | return res; |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4758 | |
| 4759 | if (!dev->ops->dump_survey) { |
| 4760 | res = -EOPNOTSUPP; |
| 4761 | goto out_err; |
| 4762 | } |
| 4763 | |
| 4764 | while (1) { |
Luis R. Rodriguez | 180cdc7 | 2011-05-27 07:24:02 -0700 | [diff] [blame] | 4765 | struct ieee80211_channel *chan; |
| 4766 | |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4767 | res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx, |
| 4768 | &survey); |
| 4769 | if (res == -ENOENT) |
| 4770 | break; |
| 4771 | if (res) |
| 4772 | goto out_err; |
| 4773 | |
Luis R. Rodriguez | 180cdc7 | 2011-05-27 07:24:02 -0700 | [diff] [blame] | 4774 | /* Survey without a channel doesn't make sense */ |
| 4775 | if (!survey.channel) { |
| 4776 | res = -EINVAL; |
| 4777 | goto out; |
| 4778 | } |
| 4779 | |
| 4780 | chan = ieee80211_get_channel(&dev->wiphy, |
| 4781 | survey.channel->center_freq); |
| 4782 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { |
| 4783 | survey_idx++; |
| 4784 | continue; |
| 4785 | } |
| 4786 | |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4787 | if (nl80211_send_survey(skb, |
| 4788 | NETLINK_CB(cb->skb).pid, |
| 4789 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
| 4790 | netdev, |
| 4791 | &survey) < 0) |
| 4792 | goto out; |
| 4793 | survey_idx++; |
| 4794 | } |
| 4795 | |
| 4796 | out: |
| 4797 | cb->args[1] = survey_idx; |
| 4798 | res = skb->len; |
| 4799 | out_err: |
Johannes Berg | 6774889 | 2010-10-04 21:14:06 +0200 | [diff] [blame] | 4800 | nl80211_finish_netdev_dump(dev); |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 4801 | return res; |
| 4802 | } |
| 4803 | |
Jouni Malinen | 255e737 | 2009-03-20 21:21:17 +0200 | [diff] [blame] | 4804 | static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type) |
| 4805 | { |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4806 | return auth_type <= NL80211_AUTHTYPE_MAX; |
Jouni Malinen | 255e737 | 2009-03-20 21:21:17 +0200 | [diff] [blame] | 4807 | } |
| 4808 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4809 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
| 4810 | { |
| 4811 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | |
| 4812 | NL80211_WPA_VERSION_2)); |
| 4813 | } |
| 4814 | |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4815 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
| 4816 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4817 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 4818 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4819 | struct ieee80211_channel *chan; |
| 4820 | const u8 *bssid, *ssid, *ie = NULL; |
| 4821 | int err, ssid_len, ie_len = 0; |
| 4822 | enum nl80211_auth_type auth_type; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 4823 | struct key_parse key; |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 4824 | bool local_state_change; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4825 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 4826 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 4827 | return -EINVAL; |
| 4828 | |
| 4829 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 4830 | return -EINVAL; |
| 4831 | |
Jouni Malinen | 1778092 | 2009-03-27 20:52:47 +0200 | [diff] [blame] | 4832 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
| 4833 | return -EINVAL; |
| 4834 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4835 | if (!info->attrs[NL80211_ATTR_SSID]) |
| 4836 | return -EINVAL; |
| 4837 | |
| 4838 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) |
| 4839 | return -EINVAL; |
| 4840 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 4841 | err = nl80211_parse_key(info, &key); |
| 4842 | if (err) |
| 4843 | return err; |
| 4844 | |
| 4845 | if (key.idx >= 0) { |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 4846 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
| 4847 | return -EINVAL; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 4848 | if (!key.p.key || !key.p.key_len) |
| 4849 | return -EINVAL; |
| 4850 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || |
| 4851 | key.p.key_len != WLAN_KEY_LEN_WEP40) && |
| 4852 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || |
| 4853 | key.p.key_len != WLAN_KEY_LEN_WEP104)) |
| 4854 | return -EINVAL; |
| 4855 | if (key.idx > 4) |
| 4856 | return -EINVAL; |
| 4857 | } else { |
| 4858 | key.p.key_len = 0; |
| 4859 | key.p.key = NULL; |
| 4860 | } |
| 4861 | |
Johannes Berg | afea0b7 | 2010-08-10 09:46:42 +0200 | [diff] [blame] | 4862 | if (key.idx >= 0) { |
| 4863 | int i; |
| 4864 | bool ok = false; |
| 4865 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
| 4866 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { |
| 4867 | ok = true; |
| 4868 | break; |
| 4869 | } |
| 4870 | } |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4871 | if (!ok) |
| 4872 | return -EINVAL; |
Johannes Berg | afea0b7 | 2010-08-10 09:46:42 +0200 | [diff] [blame] | 4873 | } |
| 4874 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4875 | if (!rdev->ops->auth) |
| 4876 | return -EOPNOTSUPP; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4877 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 4878 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4879 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 4880 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 4881 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4882 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 4883 | chan = ieee80211_get_channel(&rdev->wiphy, |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4884 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4885 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
| 4886 | return -EINVAL; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4887 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4888 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
| 4889 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); |
| 4890 | |
| 4891 | if (info->attrs[NL80211_ATTR_IE]) { |
| 4892 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 4893 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 4894 | } |
| 4895 | |
| 4896 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4897 | if (!nl80211_valid_auth_type(auth_type)) |
| 4898 | return -EINVAL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4899 | |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 4900 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
| 4901 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 4902 | /* |
| 4903 | * Since we no longer track auth state, ignore |
| 4904 | * requests to only change local state. |
| 4905 | */ |
| 4906 | if (local_state_change) |
| 4907 | return 0; |
| 4908 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4909 | return cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
| 4910 | ssid, ssid_len, ie, ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 4911 | key.p.key, key.p.key_len, key.idx); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4912 | } |
| 4913 | |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 4914 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
| 4915 | struct genl_info *info, |
Johannes Berg | 3dc27d2 | 2009-07-02 21:36:37 +0200 | [diff] [blame] | 4916 | struct cfg80211_crypto_settings *settings, |
| 4917 | int cipher_limit) |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4918 | { |
Johannes Berg | c0b2bbd | 2009-07-25 16:54:36 +0200 | [diff] [blame] | 4919 | memset(settings, 0, sizeof(*settings)); |
| 4920 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4921 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
| 4922 | |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 4923 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
| 4924 | u16 proto; |
| 4925 | proto = nla_get_u16( |
| 4926 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); |
| 4927 | settings->control_port_ethertype = cpu_to_be16(proto); |
| 4928 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
| 4929 | proto != ETH_P_PAE) |
| 4930 | return -EINVAL; |
| 4931 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) |
| 4932 | settings->control_port_no_encrypt = true; |
| 4933 | } else |
| 4934 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); |
| 4935 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4936 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
| 4937 | void *data; |
| 4938 | int len, i; |
| 4939 | |
| 4940 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); |
| 4941 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); |
| 4942 | settings->n_ciphers_pairwise = len / sizeof(u32); |
| 4943 | |
| 4944 | if (len % sizeof(u32)) |
| 4945 | return -EINVAL; |
| 4946 | |
Johannes Berg | 3dc27d2 | 2009-07-02 21:36:37 +0200 | [diff] [blame] | 4947 | if (settings->n_ciphers_pairwise > cipher_limit) |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4948 | return -EINVAL; |
| 4949 | |
| 4950 | memcpy(settings->ciphers_pairwise, data, len); |
| 4951 | |
| 4952 | for (i = 0; i < settings->n_ciphers_pairwise; i++) |
Jouni Malinen | 38ba3c5 | 2011-09-21 18:14:56 +0300 | [diff] [blame] | 4953 | if (!cfg80211_supported_cipher_suite( |
| 4954 | &rdev->wiphy, |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4955 | settings->ciphers_pairwise[i])) |
| 4956 | return -EINVAL; |
| 4957 | } |
| 4958 | |
| 4959 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { |
| 4960 | settings->cipher_group = |
| 4961 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); |
Jouni Malinen | 38ba3c5 | 2011-09-21 18:14:56 +0300 | [diff] [blame] | 4962 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
| 4963 | settings->cipher_group)) |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4964 | return -EINVAL; |
| 4965 | } |
| 4966 | |
| 4967 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { |
| 4968 | settings->wpa_versions = |
| 4969 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); |
| 4970 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) |
| 4971 | return -EINVAL; |
| 4972 | } |
| 4973 | |
| 4974 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { |
| 4975 | void *data; |
Jouni Malinen | 6d30240 | 2011-09-21 18:11:33 +0300 | [diff] [blame] | 4976 | int len; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4977 | |
| 4978 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); |
| 4979 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); |
| 4980 | settings->n_akm_suites = len / sizeof(u32); |
| 4981 | |
| 4982 | if (len % sizeof(u32)) |
| 4983 | return -EINVAL; |
| 4984 | |
Jouni Malinen | 1b9ca02 | 2011-09-21 16:13:07 +0300 | [diff] [blame] | 4985 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
| 4986 | return -EINVAL; |
| 4987 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4988 | memcpy(settings->akm_suites, data, len); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 4989 | } |
| 4990 | |
| 4991 | return 0; |
| 4992 | } |
| 4993 | |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 4994 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
| 4995 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 4996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 4997 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 4998 | struct cfg80211_crypto_settings crypto; |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 4999 | struct ieee80211_channel *chan; |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 5000 | const u8 *bssid, *ssid, *ie = NULL, *prev_bssid = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5001 | int err, ssid_len, ie_len = 0; |
| 5002 | bool use_mfp = false; |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 5003 | u32 flags = 0; |
| 5004 | struct ieee80211_ht_cap *ht_capa = NULL; |
| 5005 | struct ieee80211_ht_cap *ht_capa_mask = NULL; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5006 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5007 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 5008 | return -EINVAL; |
| 5009 | |
| 5010 | if (!info->attrs[NL80211_ATTR_MAC] || |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5011 | !info->attrs[NL80211_ATTR_SSID] || |
| 5012 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5013 | return -EINVAL; |
| 5014 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5015 | if (!rdev->ops->assoc) |
| 5016 | return -EOPNOTSUPP; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5017 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5018 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5019 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5020 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 5021 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5022 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5023 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5024 | chan = ieee80211_get_channel(&rdev->wiphy, |
| 5025 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5026 | if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) |
| 5027 | return -EINVAL; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5028 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5029 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
| 5030 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5031 | |
| 5032 | if (info->attrs[NL80211_ATTR_IE]) { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5033 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 5034 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5035 | } |
| 5036 | |
Jouni Malinen | dc6382c | 2009-05-06 22:09:37 +0300 | [diff] [blame] | 5037 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
Johannes Berg | 4f5dadc | 2009-07-07 03:56:10 +0200 | [diff] [blame] | 5038 | enum nl80211_mfp mfp = |
Jouni Malinen | dc6382c | 2009-05-06 22:09:37 +0300 | [diff] [blame] | 5039 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
Johannes Berg | 4f5dadc | 2009-07-07 03:56:10 +0200 | [diff] [blame] | 5040 | if (mfp == NL80211_MFP_REQUIRED) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5041 | use_mfp = true; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5042 | else if (mfp != NL80211_MFP_NO) |
| 5043 | return -EINVAL; |
Jouni Malinen | dc6382c | 2009-05-06 22:09:37 +0300 | [diff] [blame] | 5044 | } |
| 5045 | |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 5046 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
| 5047 | prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
| 5048 | |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 5049 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
| 5050 | flags |= ASSOC_REQ_DISABLE_HT; |
| 5051 | |
| 5052 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
| 5053 | ht_capa_mask = |
| 5054 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]); |
| 5055 | |
| 5056 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { |
| 5057 | if (!ht_capa_mask) |
| 5058 | return -EINVAL; |
| 5059 | ht_capa = nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); |
| 5060 | } |
| 5061 | |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 5062 | err = nl80211_crypto_settings(rdev, info, &crypto, 1); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5063 | if (!err) |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 5064 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
| 5065 | ssid, ssid_len, ie, ie_len, use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 5066 | &crypto, flags, ht_capa, |
| 5067 | ht_capa_mask); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5068 | |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5069 | return err; |
| 5070 | } |
| 5071 | |
| 5072 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) |
| 5073 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5074 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5075 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5076 | const u8 *ie = NULL, *bssid; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5077 | int ie_len = 0; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5078 | u16 reason_code; |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 5079 | bool local_state_change; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5080 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5081 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 5082 | return -EINVAL; |
| 5083 | |
| 5084 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 5085 | return -EINVAL; |
| 5086 | |
| 5087 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) |
| 5088 | return -EINVAL; |
| 5089 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5090 | if (!rdev->ops->deauth) |
| 5091 | return -EOPNOTSUPP; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5092 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5093 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5094 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5095 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 5096 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5097 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5098 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5099 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
| 5100 | if (reason_code == 0) { |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5101 | /* Reason Code 0 is reserved */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5102 | return -EINVAL; |
Jouni Malinen | 255e737 | 2009-03-20 21:21:17 +0200 | [diff] [blame] | 5103 | } |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5104 | |
| 5105 | if (info->attrs[NL80211_ATTR_IE]) { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5106 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 5107 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5108 | } |
| 5109 | |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 5110 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
| 5111 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5112 | return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, |
| 5113 | local_state_change); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5114 | } |
| 5115 | |
| 5116 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) |
| 5117 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5118 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5119 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5120 | const u8 *ie = NULL, *bssid; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5121 | int ie_len = 0; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5122 | u16 reason_code; |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 5123 | bool local_state_change; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5124 | |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5125 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 5126 | return -EINVAL; |
| 5127 | |
| 5128 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 5129 | return -EINVAL; |
| 5130 | |
| 5131 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) |
| 5132 | return -EINVAL; |
| 5133 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5134 | if (!rdev->ops->disassoc) |
| 5135 | return -EOPNOTSUPP; |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5136 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5137 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5138 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5139 | return -EOPNOTSUPP; |
Jouni Malinen | eec60b0 | 2009-03-20 21:21:19 +0200 | [diff] [blame] | 5140 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5141 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5142 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5143 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
| 5144 | if (reason_code == 0) { |
Johannes Berg | f4a11bb | 2009-03-27 12:40:28 +0100 | [diff] [blame] | 5145 | /* Reason Code 0 is reserved */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5146 | return -EINVAL; |
Jouni Malinen | 255e737 | 2009-03-20 21:21:17 +0200 | [diff] [blame] | 5147 | } |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5148 | |
| 5149 | if (info->attrs[NL80211_ATTR_IE]) { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 5150 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 5151 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5152 | } |
| 5153 | |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 5154 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
| 5155 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5156 | return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, |
| 5157 | local_state_change); |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 5158 | } |
| 5159 | |
Felix Fietkau | dd5b4cc | 2010-11-22 20:58:24 +0100 | [diff] [blame] | 5160 | static bool |
| 5161 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, |
| 5162 | int mcast_rate[IEEE80211_NUM_BANDS], |
| 5163 | int rateval) |
| 5164 | { |
| 5165 | struct wiphy *wiphy = &rdev->wiphy; |
| 5166 | bool found = false; |
| 5167 | int band, i; |
| 5168 | |
| 5169 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
| 5170 | struct ieee80211_supported_band *sband; |
| 5171 | |
| 5172 | sband = wiphy->bands[band]; |
| 5173 | if (!sband) |
| 5174 | continue; |
| 5175 | |
| 5176 | for (i = 0; i < sband->n_bitrates; i++) { |
| 5177 | if (sband->bitrates[i].bitrate == rateval) { |
| 5178 | mcast_rate[band] = i + 1; |
| 5179 | found = true; |
| 5180 | break; |
| 5181 | } |
| 5182 | } |
| 5183 | } |
| 5184 | |
| 5185 | return found; |
| 5186 | } |
| 5187 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5188 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
| 5189 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5190 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5191 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5192 | struct cfg80211_ibss_params ibss; |
| 5193 | struct wiphy *wiphy; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5194 | struct cfg80211_cached_keys *connkeys = NULL; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5195 | int err; |
| 5196 | |
Johannes Berg | 8e30bc5 | 2009-04-22 17:45:38 +0200 | [diff] [blame] | 5197 | memset(&ibss, 0, sizeof(ibss)); |
| 5198 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5199 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 5200 | return -EINVAL; |
| 5201 | |
| 5202 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || |
| 5203 | !info->attrs[NL80211_ATTR_SSID] || |
| 5204 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
| 5205 | return -EINVAL; |
| 5206 | |
Johannes Berg | 8e30bc5 | 2009-04-22 17:45:38 +0200 | [diff] [blame] | 5207 | ibss.beacon_interval = 100; |
| 5208 | |
| 5209 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
| 5210 | ibss.beacon_interval = |
| 5211 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); |
| 5212 | if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000) |
| 5213 | return -EINVAL; |
| 5214 | } |
| 5215 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5216 | if (!rdev->ops->join_ibss) |
| 5217 | return -EOPNOTSUPP; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5218 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5219 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
| 5220 | return -EOPNOTSUPP; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5221 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 5222 | wiphy = &rdev->wiphy; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5223 | |
Johannes Berg | 3919349 | 2011-09-16 13:45:25 +0200 | [diff] [blame] | 5224 | if (info->attrs[NL80211_ATTR_MAC]) { |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5225 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Johannes Berg | 3919349 | 2011-09-16 13:45:25 +0200 | [diff] [blame] | 5226 | |
| 5227 | if (!is_valid_ether_addr(ibss.bssid)) |
| 5228 | return -EINVAL; |
| 5229 | } |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5230 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
| 5231 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); |
| 5232 | |
| 5233 | if (info->attrs[NL80211_ATTR_IE]) { |
| 5234 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 5235 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 5236 | } |
| 5237 | |
Alexander Simon | 54858ee | 2011-11-30 16:56:32 +0100 | [diff] [blame] | 5238 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| 5239 | enum nl80211_channel_type channel_type; |
| 5240 | |
| 5241 | channel_type = nla_get_u32( |
| 5242 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
| 5243 | if (channel_type != NL80211_CHAN_NO_HT && |
| 5244 | channel_type != NL80211_CHAN_HT20 && |
| 5245 | channel_type != NL80211_CHAN_HT40MINUS && |
| 5246 | channel_type != NL80211_CHAN_HT40PLUS) |
| 5247 | return -EINVAL; |
| 5248 | |
| 5249 | if (channel_type != NL80211_CHAN_NO_HT && |
| 5250 | !(wiphy->features & NL80211_FEATURE_HT_IBSS)) |
| 5251 | return -EINVAL; |
| 5252 | |
| 5253 | ibss.channel_type = channel_type; |
| 5254 | } else { |
| 5255 | ibss.channel_type = NL80211_CHAN_NO_HT; |
| 5256 | } |
| 5257 | |
| 5258 | ibss.channel = rdev_freq_to_chan(rdev, |
| 5259 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), |
| 5260 | ibss.channel_type); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5261 | if (!ibss.channel || |
| 5262 | ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5263 | ibss.channel->flags & IEEE80211_CHAN_DISABLED) |
| 5264 | return -EINVAL; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5265 | |
Alexander Simon | 54858ee | 2011-11-30 16:56:32 +0100 | [diff] [blame] | 5266 | /* Both channels should be able to initiate communication */ |
| 5267 | if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || |
| 5268 | ibss.channel_type == NL80211_CHAN_HT40MINUS) && |
| 5269 | !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, |
| 5270 | ibss.channel_type)) |
| 5271 | return -EINVAL; |
| 5272 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5273 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5274 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5275 | |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 5276 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
| 5277 | u8 *rates = |
| 5278 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); |
| 5279 | int n_rates = |
| 5280 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); |
| 5281 | struct ieee80211_supported_band *sband = |
| 5282 | wiphy->bands[ibss.channel->band]; |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 5283 | |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 5284 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
| 5285 | &ibss.basic_rates); |
| 5286 | if (err) |
| 5287 | return err; |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 5288 | } |
Felix Fietkau | dd5b4cc | 2010-11-22 20:58:24 +0100 | [diff] [blame] | 5289 | |
| 5290 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
| 5291 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, |
| 5292 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) |
| 5293 | return -EINVAL; |
Teemu Paasikivi | fbd2c8d | 2010-06-14 12:55:31 +0300 | [diff] [blame] | 5294 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5295 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
| 5296 | connkeys = nl80211_parse_connkeys(rdev, |
| 5297 | info->attrs[NL80211_ATTR_KEYS]); |
| 5298 | if (IS_ERR(connkeys)) |
| 5299 | return PTR_ERR(connkeys); |
| 5300 | } |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5301 | |
Antonio Quartulli | 267335d | 2012-01-31 20:25:47 +0100 | [diff] [blame] | 5302 | ibss.control_port = |
| 5303 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); |
| 5304 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5305 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5306 | if (err) |
| 5307 | kfree(connkeys); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5308 | return err; |
| 5309 | } |
| 5310 | |
| 5311 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) |
| 5312 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5313 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5314 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5315 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5316 | if (!rdev->ops->leave_ibss) |
| 5317 | return -EOPNOTSUPP; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5318 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5319 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
| 5320 | return -EOPNOTSUPP; |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5321 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5322 | return cfg80211_leave_ibss(rdev, dev, false); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 5323 | } |
| 5324 | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5325 | static struct sk_buff * |
| 5326 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, |
| 5327 | int approxlen, u32 portid, u32 seq, |
| 5328 | enum nl80211_commands cmd, |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5329 | enum nl80211_attrs attr, |
| 5330 | const struct nl80211_vendor_cmd_info *info, |
| 5331 | gfp_t gfp) |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5332 | { |
| 5333 | struct sk_buff *skb; |
| 5334 | void *hdr; |
| 5335 | struct nlattr *data; |
| 5336 | |
| 5337 | skb = nlmsg_new(approxlen + 100, gfp); |
| 5338 | if (!skb) |
| 5339 | return NULL; |
| 5340 | |
| 5341 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); |
| 5342 | if (!hdr) { |
| 5343 | kfree_skb(skb); |
| 5344 | return NULL; |
| 5345 | } |
| 5346 | |
| 5347 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) |
| 5348 | goto nla_put_failure; |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5349 | |
| 5350 | if (info) { |
| 5351 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, |
| 5352 | info->vendor_id)) |
| 5353 | goto nla_put_failure; |
| 5354 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, |
| 5355 | info->subcmd)) |
| 5356 | goto nla_put_failure; |
| 5357 | } |
| 5358 | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5359 | data = nla_nest_start(skb, attr); |
| 5360 | |
| 5361 | ((void **)skb->cb)[0] = rdev; |
| 5362 | ((void **)skb->cb)[1] = hdr; |
| 5363 | ((void **)skb->cb)[2] = data; |
| 5364 | |
| 5365 | return skb; |
| 5366 | |
| 5367 | nla_put_failure: |
| 5368 | kfree_skb(skb); |
| 5369 | return NULL; |
| 5370 | } |
| 5371 | |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5372 | static struct genl_multicast_group nl80211_vendor_mcgrp = { |
| 5373 | .name = "vendor", |
| 5374 | }; |
| 5375 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5376 | #ifdef CONFIG_NL80211_TESTMODE |
| 5377 | static struct genl_multicast_group nl80211_testmode_mcgrp = { |
| 5378 | .name = "testmode", |
| 5379 | }; |
| 5380 | |
| 5381 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
| 5382 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5383 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5384 | int err; |
| 5385 | |
| 5386 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
| 5387 | return -EINVAL; |
| 5388 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5389 | err = -EOPNOTSUPP; |
| 5390 | if (rdev->ops->testmode_cmd) { |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5391 | rdev->cur_cmd_info = info; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5392 | err = rdev->ops->testmode_cmd(&rdev->wiphy, |
| 5393 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
| 5394 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5395 | rdev->cur_cmd_info = NULL; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5396 | } |
| 5397 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5398 | return err; |
| 5399 | } |
| 5400 | |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5401 | static int nl80211_testmode_dump(struct sk_buff *skb, |
| 5402 | struct netlink_callback *cb) |
| 5403 | { |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5404 | struct cfg80211_registered_device *rdev; |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5405 | int err; |
| 5406 | long phy_idx; |
| 5407 | void *data = NULL; |
| 5408 | int data_len = 0; |
| 5409 | |
| 5410 | if (cb->args[0]) { |
| 5411 | /* |
| 5412 | * 0 is a valid index, but not valid for args[0], |
| 5413 | * so we need to offset by 1. |
| 5414 | */ |
| 5415 | phy_idx = cb->args[0] - 1; |
| 5416 | } else { |
| 5417 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
| 5418 | nl80211_fam.attrbuf, nl80211_fam.maxattr, |
| 5419 | nl80211_policy); |
| 5420 | if (err) |
| 5421 | return err; |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5422 | if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) { |
| 5423 | phy_idx = nla_get_u32( |
| 5424 | nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); |
| 5425 | } else { |
| 5426 | struct net_device *netdev; |
| 5427 | |
| 5428 | err = get_rdev_dev_by_ifindex(sock_net(skb->sk), |
| 5429 | nl80211_fam.attrbuf, |
| 5430 | &rdev, &netdev); |
| 5431 | if (err) |
| 5432 | return err; |
| 5433 | dev_put(netdev); |
| 5434 | phy_idx = rdev->wiphy_idx; |
| 5435 | cfg80211_unlock_rdev(rdev); |
| 5436 | } |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5437 | if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) |
| 5438 | cb->args[1] = |
| 5439 | (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; |
| 5440 | } |
| 5441 | |
| 5442 | if (cb->args[1]) { |
| 5443 | data = nla_data((void *)cb->args[1]); |
| 5444 | data_len = nla_len((void *)cb->args[1]); |
| 5445 | } |
| 5446 | |
| 5447 | mutex_lock(&cfg80211_mutex); |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5448 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); |
| 5449 | if (!rdev) { |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5450 | mutex_unlock(&cfg80211_mutex); |
| 5451 | return -ENOENT; |
| 5452 | } |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5453 | cfg80211_lock_rdev(rdev); |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5454 | mutex_unlock(&cfg80211_mutex); |
| 5455 | |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5456 | if (!rdev->ops->testmode_dump) { |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5457 | err = -EOPNOTSUPP; |
| 5458 | goto out_err; |
| 5459 | } |
| 5460 | |
| 5461 | while (1) { |
| 5462 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, |
| 5463 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
| 5464 | NL80211_CMD_TESTMODE); |
| 5465 | struct nlattr *tmdata; |
| 5466 | |
Dan Carpenter | 367c2a1 | 2013-08-14 11:50:01 +0000 | [diff] [blame] | 5467 | if (!hdr) |
| 5468 | break; |
| 5469 | |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5470 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx) < 0) { |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5471 | genlmsg_cancel(skb, hdr); |
| 5472 | break; |
| 5473 | } |
| 5474 | |
| 5475 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); |
| 5476 | if (!tmdata) { |
| 5477 | genlmsg_cancel(skb, hdr); |
| 5478 | break; |
| 5479 | } |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5480 | err = rdev->ops->testmode_dump(&rdev->wiphy, skb, cb, |
| 5481 | data, data_len); |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5482 | nla_nest_end(skb, tmdata); |
| 5483 | |
| 5484 | if (err == -ENOBUFS || err == -ENOENT) { |
| 5485 | genlmsg_cancel(skb, hdr); |
| 5486 | break; |
| 5487 | } else if (err) { |
| 5488 | genlmsg_cancel(skb, hdr); |
| 5489 | goto out_err; |
| 5490 | } |
| 5491 | |
| 5492 | genlmsg_end(skb, hdr); |
| 5493 | } |
| 5494 | |
| 5495 | err = skb->len; |
| 5496 | /* see above */ |
| 5497 | cb->args[0] = phy_idx + 1; |
| 5498 | out_err: |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 5499 | cfg80211_unlock_rdev(rdev); |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 5500 | return err; |
| 5501 | } |
| 5502 | |
Johannes Berg | a62c3d7 | 2014-01-01 17:22:30 +0100 | [diff] [blame] | 5503 | #endif |
| 5504 | |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5505 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
| 5506 | enum nl80211_commands cmd, |
| 5507 | enum nl80211_attrs attr, |
| 5508 | int vendor_event_idx, |
| 5509 | int approxlen, gfp_t gfp) |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5510 | { |
| 5511 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5512 | const struct nl80211_vendor_cmd_info *info; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5513 | |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5514 | switch (cmd) { |
| 5515 | case NL80211_CMD_TESTMODE: |
| 5516 | if (WARN_ON(vendor_event_idx != -1)) |
| 5517 | return NULL; |
| 5518 | info = NULL; |
| 5519 | break; |
| 5520 | case NL80211_CMD_VENDOR: |
| 5521 | if (WARN_ON(vendor_event_idx < 0 || |
| 5522 | vendor_event_idx >= wiphy->n_vendor_events)) |
| 5523 | return NULL; |
| 5524 | info = &wiphy->vendor_events[vendor_event_idx]; |
| 5525 | break; |
| 5526 | default: |
| 5527 | WARN_ON(1); |
| 5528 | return NULL; |
| 5529 | } |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 5530 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5531 | cmd, attr, info, gfp); |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5532 | } |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5533 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5534 | |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5535 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5536 | { |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5537 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5538 | void *hdr = ((void **)skb->cb)[1]; |
| 5539 | struct nlattr *data = ((void **)skb->cb)[2]; |
| 5540 | |
Johannes Berg | 270e203 | 2014-07-30 14:55:26 +0200 | [diff] [blame] | 5541 | /* clear CB data for netlink core to own from now on */ |
| 5542 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 5543 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5544 | nla_nest_end(skb, data); |
| 5545 | genlmsg_end(skb, hdr); |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5546 | |
| 5547 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) |
| 5548 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, |
| 5549 | nl80211_vendor_mcgrp.id, gfp); |
| 5550 | else |
| 5551 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, |
| 5552 | nl80211_testmode_mcgrp.id, gfp); |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5553 | } |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 5554 | EXPORT_SYMBOL(__cfg80211_send_event_skb); |
Johannes Berg | a62c3d7 | 2014-01-01 17:22:30 +0100 | [diff] [blame] | 5555 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 5556 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5557 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
| 5558 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5559 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5560 | struct net_device *dev = info->user_ptr[1]; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5561 | struct cfg80211_connect_params connect; |
| 5562 | struct wiphy *wiphy; |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5563 | struct cfg80211_cached_keys *connkeys = NULL; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5564 | int err; |
| 5565 | |
| 5566 | memset(&connect, 0, sizeof(connect)); |
| 5567 | |
| 5568 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 5569 | return -EINVAL; |
| 5570 | |
| 5571 | if (!info->attrs[NL80211_ATTR_SSID] || |
| 5572 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
| 5573 | return -EINVAL; |
| 5574 | |
| 5575 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { |
| 5576 | connect.auth_type = |
| 5577 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
| 5578 | if (!nl80211_valid_auth_type(connect.auth_type)) |
| 5579 | return -EINVAL; |
| 5580 | } else |
| 5581 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; |
| 5582 | |
| 5583 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; |
| 5584 | |
Johannes Berg | c0692b8 | 2010-08-27 14:26:53 +0300 | [diff] [blame] | 5585 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
Johannes Berg | 3dc27d2 | 2009-07-02 21:36:37 +0200 | [diff] [blame] | 5586 | NL80211_MAX_NR_CIPHER_SUITES); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5587 | if (err) |
| 5588 | return err; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5589 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5590 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5591 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5592 | return -EOPNOTSUPP; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5593 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 5594 | wiphy = &rdev->wiphy; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5595 | |
Bala Shanmugam | 4486ea9 | 2012-03-07 17:27:12 +0530 | [diff] [blame] | 5596 | connect.bg_scan_period = -1; |
| 5597 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && |
| 5598 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { |
| 5599 | connect.bg_scan_period = |
| 5600 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); |
| 5601 | } |
| 5602 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5603 | if (info->attrs[NL80211_ATTR_MAC]) |
| 5604 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
Jouni Malinen | 8699744 | 2014-04-17 22:49:32 +0530 | [diff] [blame] | 5605 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
| 5606 | connect.bssid_hint = |
| 5607 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5608 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
| 5609 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); |
| 5610 | |
| 5611 | if (info->attrs[NL80211_ATTR_IE]) { |
| 5612 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 5613 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 5614 | } |
| 5615 | |
Jouni Malinen | 7e73ad5 | 2013-01-15 15:15:57 +0000 | [diff] [blame] | 5616 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
| 5617 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
| 5618 | if (connect.mfp != NL80211_MFP_REQUIRED && |
| 5619 | connect.mfp != NL80211_MFP_NO) |
| 5620 | return -EINVAL; |
| 5621 | } else { |
| 5622 | connect.mfp = NL80211_MFP_NO; |
| 5623 | } |
| 5624 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5625 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
| 5626 | connect.channel = |
| 5627 | ieee80211_get_channel(wiphy, |
| 5628 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
| 5629 | if (!connect.channel || |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5630 | connect.channel->flags & IEEE80211_CHAN_DISABLED) |
| 5631 | return -EINVAL; |
Jouni Malinen | 8699744 | 2014-04-17 22:49:32 +0530 | [diff] [blame] | 5632 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { |
| 5633 | connect.channel_hint = |
| 5634 | ieee80211_get_channel(wiphy, |
| 5635 | nla_get_u32( |
| 5636 | info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT])); |
| 5637 | if (!connect.channel_hint || |
| 5638 | connect.channel_hint->flags & IEEE80211_CHAN_DISABLED) |
| 5639 | return -EINVAL; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5640 | } |
| 5641 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5642 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
| 5643 | connkeys = nl80211_parse_connkeys(rdev, |
| 5644 | info->attrs[NL80211_ATTR_KEYS]); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5645 | if (IS_ERR(connkeys)) |
| 5646 | return PTR_ERR(connkeys); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5647 | } |
| 5648 | |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 5649 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
| 5650 | connect.flags |= ASSOC_REQ_DISABLE_HT; |
| 5651 | |
| 5652 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
| 5653 | memcpy(&connect.ht_capa_mask, |
| 5654 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), |
| 5655 | sizeof(connect.ht_capa_mask)); |
| 5656 | |
| 5657 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { |
| 5658 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
| 5659 | return -EINVAL; |
| 5660 | memcpy(&connect.ht_capa, |
| 5661 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), |
| 5662 | sizeof(connect.ht_capa)); |
| 5663 | } |
| 5664 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5665 | err = cfg80211_connect(rdev, dev, &connect, connkeys); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 5666 | if (err) |
| 5667 | kfree(connkeys); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5668 | return err; |
| 5669 | } |
| 5670 | |
| 5671 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
| 5672 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5673 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5674 | struct net_device *dev = info->user_ptr[1]; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5675 | u16 reason; |
| 5676 | |
| 5677 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) |
| 5678 | reason = WLAN_REASON_DEAUTH_LEAVING; |
| 5679 | else |
| 5680 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
| 5681 | |
| 5682 | if (reason == 0) |
| 5683 | return -EINVAL; |
| 5684 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5685 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5686 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5687 | return -EOPNOTSUPP; |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5688 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5689 | return cfg80211_disconnect(rdev, dev, reason, true); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 5690 | } |
| 5691 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5692 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
| 5693 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5694 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5695 | struct net *net; |
| 5696 | int err; |
| 5697 | u32 pid; |
| 5698 | |
| 5699 | if (!info->attrs[NL80211_ATTR_PID]) |
| 5700 | return -EINVAL; |
| 5701 | |
| 5702 | pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); |
| 5703 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5704 | net = get_net_ns_by_pid(pid); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5705 | if (IS_ERR(net)) |
| 5706 | return PTR_ERR(net); |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5707 | |
| 5708 | err = 0; |
| 5709 | |
| 5710 | /* check if anything to do */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5711 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
| 5712 | err = cfg80211_switch_netns(rdev, net); |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5713 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5714 | put_net(net); |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 5715 | return err; |
| 5716 | } |
| 5717 | |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5718 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
| 5719 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5720 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5721 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
| 5722 | struct cfg80211_pmksa *pmksa) = NULL; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5723 | struct net_device *dev = info->user_ptr[1]; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5724 | struct cfg80211_pmksa pmksa; |
| 5725 | |
| 5726 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); |
| 5727 | |
| 5728 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 5729 | return -EINVAL; |
| 5730 | |
| 5731 | if (!info->attrs[NL80211_ATTR_PMKID]) |
| 5732 | return -EINVAL; |
| 5733 | |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5734 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
| 5735 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 5736 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5737 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5738 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5739 | return -EOPNOTSUPP; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5740 | |
| 5741 | switch (info->genlhdr->cmd) { |
| 5742 | case NL80211_CMD_SET_PMKSA: |
| 5743 | rdev_ops = rdev->ops->set_pmksa; |
| 5744 | break; |
| 5745 | case NL80211_CMD_DEL_PMKSA: |
| 5746 | rdev_ops = rdev->ops->del_pmksa; |
| 5747 | break; |
| 5748 | default: |
| 5749 | WARN_ON(1); |
| 5750 | break; |
| 5751 | } |
| 5752 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5753 | if (!rdev_ops) |
| 5754 | return -EOPNOTSUPP; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5755 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5756 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5757 | } |
| 5758 | |
| 5759 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) |
| 5760 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5761 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5762 | struct net_device *dev = info->user_ptr[1]; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5763 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 5764 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5765 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 5766 | return -EOPNOTSUPP; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5767 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5768 | if (!rdev->ops->flush_pmksa) |
| 5769 | return -EOPNOTSUPP; |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5770 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5771 | return rdev->ops->flush_pmksa(&rdev->wiphy, dev); |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 5772 | } |
| 5773 | |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 5774 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
| 5775 | { |
| 5776 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5777 | struct net_device *dev = info->user_ptr[1]; |
| 5778 | u8 action_code, dialog_token; |
Sunil Dutt | 3db727f | 2014-04-17 23:15:25 +0530 | [diff] [blame] | 5779 | u32 peer_capability = 0; |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 5780 | u16 status_code; |
| 5781 | u8 *peer; |
| 5782 | |
| 5783 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || |
| 5784 | !rdev->ops->tdls_mgmt) |
| 5785 | return -EOPNOTSUPP; |
| 5786 | |
| 5787 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || |
| 5788 | !info->attrs[NL80211_ATTR_STATUS_CODE] || |
| 5789 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || |
| 5790 | !info->attrs[NL80211_ATTR_IE] || |
| 5791 | !info->attrs[NL80211_ATTR_MAC]) |
| 5792 | return -EINVAL; |
| 5793 | |
| 5794 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 5795 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); |
| 5796 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); |
| 5797 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); |
Sunil Dutt | 3db727f | 2014-04-17 23:15:25 +0530 | [diff] [blame] | 5798 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
| 5799 | peer_capability = |
| 5800 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 5801 | |
| 5802 | return rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code, |
Sunil Dutt | 3db727f | 2014-04-17 23:15:25 +0530 | [diff] [blame] | 5803 | dialog_token, status_code, peer_capability, |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 5804 | nla_data(info->attrs[NL80211_ATTR_IE]), |
| 5805 | nla_len(info->attrs[NL80211_ATTR_IE])); |
| 5806 | } |
| 5807 | |
| 5808 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) |
| 5809 | { |
| 5810 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5811 | struct net_device *dev = info->user_ptr[1]; |
| 5812 | enum nl80211_tdls_operation operation; |
| 5813 | u8 *peer; |
| 5814 | |
| 5815 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || |
| 5816 | !rdev->ops->tdls_oper) |
| 5817 | return -EOPNOTSUPP; |
| 5818 | |
| 5819 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || |
| 5820 | !info->attrs[NL80211_ATTR_MAC]) |
| 5821 | return -EINVAL; |
| 5822 | |
| 5823 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); |
| 5824 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 5825 | |
| 5826 | return rdev->ops->tdls_oper(&rdev->wiphy, dev, peer, operation); |
| 5827 | } |
| 5828 | |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5829 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
| 5830 | struct genl_info *info) |
| 5831 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5832 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5833 | struct net_device *dev = info->user_ptr[1]; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5834 | struct ieee80211_channel *chan; |
| 5835 | struct sk_buff *msg; |
| 5836 | void *hdr; |
| 5837 | u64 cookie; |
| 5838 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; |
| 5839 | u32 freq, duration; |
| 5840 | int err; |
| 5841 | |
| 5842 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || |
| 5843 | !info->attrs[NL80211_ATTR_DURATION]) |
| 5844 | return -EINVAL; |
| 5845 | |
| 5846 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
| 5847 | |
| 5848 | /* |
| 5849 | * We should be on that channel for at least one jiffie, |
| 5850 | * and more than 5 seconds seems excessive. |
| 5851 | */ |
Johannes Berg | a293911 | 2010-12-14 17:54:28 +0100 | [diff] [blame] | 5852 | if (!duration || !msecs_to_jiffies(duration) || |
| 5853 | duration > rdev->wiphy.max_remain_on_channel_duration) |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5854 | return -EINVAL; |
| 5855 | |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 5856 | if (!rdev->ops->remain_on_channel || |
| 5857 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5858 | return -EOPNOTSUPP; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5859 | |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5860 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| 5861 | channel_type = nla_get_u32( |
| 5862 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
| 5863 | if (channel_type != NL80211_CHAN_NO_HT && |
| 5864 | channel_type != NL80211_CHAN_HT20 && |
| 5865 | channel_type != NL80211_CHAN_HT40PLUS && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5866 | channel_type != NL80211_CHAN_HT40MINUS) |
| 5867 | return -EINVAL; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5868 | } |
| 5869 | |
| 5870 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
| 5871 | chan = rdev_freq_to_chan(rdev, freq, channel_type); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5872 | if (chan == NULL) |
| 5873 | return -EINVAL; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5874 | |
| 5875 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5876 | if (!msg) |
| 5877 | return -ENOMEM; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5878 | |
| 5879 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 5880 | NL80211_CMD_REMAIN_ON_CHANNEL); |
Dan Carpenter | 367c2a1 | 2013-08-14 11:50:01 +0000 | [diff] [blame] | 5881 | if (!hdr) { |
| 5882 | err = -ENOBUFS; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5883 | goto free_msg; |
| 5884 | } |
| 5885 | |
| 5886 | err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, |
| 5887 | channel_type, duration, &cookie); |
| 5888 | |
| 5889 | if (err) |
| 5890 | goto free_msg; |
| 5891 | |
| 5892 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
| 5893 | |
| 5894 | genlmsg_end(msg, hdr); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5895 | |
| 5896 | return genlmsg_reply(msg, info); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5897 | |
| 5898 | nla_put_failure: |
| 5899 | err = -ENOBUFS; |
| 5900 | free_msg: |
| 5901 | nlmsg_free(msg); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5902 | return err; |
| 5903 | } |
| 5904 | |
| 5905 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, |
| 5906 | struct genl_info *info) |
| 5907 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5908 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 5909 | struct net_device *dev = info->user_ptr[1]; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5910 | u64 cookie; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5911 | |
| 5912 | if (!info->attrs[NL80211_ATTR_COOKIE]) |
| 5913 | return -EINVAL; |
| 5914 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5915 | if (!rdev->ops->cancel_remain_on_channel) |
| 5916 | return -EOPNOTSUPP; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5917 | |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5918 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
| 5919 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5920 | return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 5921 | } |
| 5922 | |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5923 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
| 5924 | u8 *rates, u8 rates_len) |
| 5925 | { |
| 5926 | u8 i; |
| 5927 | u32 mask = 0; |
| 5928 | |
| 5929 | for (i = 0; i < rates_len; i++) { |
| 5930 | int rate = (rates[i] & 0x7f) * 5; |
| 5931 | int ridx; |
| 5932 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { |
| 5933 | struct ieee80211_rate *srate = |
| 5934 | &sband->bitrates[ridx]; |
| 5935 | if (rate == srate->bitrate) { |
| 5936 | mask |= 1 << ridx; |
| 5937 | break; |
| 5938 | } |
| 5939 | } |
| 5940 | if (ridx == sband->n_bitrates) |
| 5941 | return 0; /* rate not found */ |
| 5942 | } |
| 5943 | |
| 5944 | return mask; |
| 5945 | } |
| 5946 | |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 5947 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, |
| 5948 | u8 *rates, u8 rates_len, |
| 5949 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) |
| 5950 | { |
| 5951 | u8 i; |
| 5952 | |
| 5953 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); |
| 5954 | |
| 5955 | for (i = 0; i < rates_len; i++) { |
| 5956 | int ridx, rbit; |
| 5957 | |
| 5958 | ridx = rates[i] / 8; |
| 5959 | rbit = BIT(rates[i] % 8); |
| 5960 | |
| 5961 | /* check validity */ |
Dan Carpenter | 910570b | 2012-02-01 10:42:11 +0300 | [diff] [blame] | 5962 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 5963 | return false; |
| 5964 | |
| 5965 | /* check availability */ |
| 5966 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) |
| 5967 | mcs[ridx] |= rbit; |
| 5968 | else |
| 5969 | return false; |
| 5970 | } |
| 5971 | |
| 5972 | return true; |
| 5973 | } |
| 5974 | |
Alexey Dobriyan | b54452b | 2010-02-18 08:14:31 +0000 | [diff] [blame] | 5975 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5976 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, |
| 5977 | .len = NL80211_MAX_SUPP_RATES }, |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 5978 | [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, |
| 5979 | .len = NL80211_MAX_SUPP_HT_RATES }, |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5980 | }; |
| 5981 | |
| 5982 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
| 5983 | struct genl_info *info) |
| 5984 | { |
| 5985 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5986 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5987 | struct cfg80211_bitrate_mask mask; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5988 | int rem, i; |
| 5989 | struct net_device *dev = info->user_ptr[1]; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5990 | struct nlattr *tx_rates; |
| 5991 | struct ieee80211_supported_band *sband; |
| 5992 | |
| 5993 | if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) |
| 5994 | return -EINVAL; |
| 5995 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 5996 | if (!rdev->ops->set_bitrate_mask) |
| 5997 | return -EOPNOTSUPP; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 5998 | |
| 5999 | memset(&mask, 0, sizeof(mask)); |
| 6000 | /* Default to all rates enabled */ |
| 6001 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
| 6002 | sband = rdev->wiphy.bands[i]; |
| 6003 | mask.control[i].legacy = |
| 6004 | sband ? (1 << sband->n_bitrates) - 1 : 0; |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 6005 | if (sband) |
| 6006 | memcpy(mask.control[i].mcs, |
| 6007 | sband->ht_cap.mcs.rx_mask, |
| 6008 | sizeof(mask.control[i].mcs)); |
| 6009 | else |
| 6010 | memset(mask.control[i].mcs, 0, |
| 6011 | sizeof(mask.control[i].mcs)); |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6012 | } |
| 6013 | |
| 6014 | /* |
| 6015 | * The nested attribute uses enum nl80211_band as the index. This maps |
| 6016 | * directly to the enum ieee80211_band values used in cfg80211. |
| 6017 | */ |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 6018 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6019 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) |
| 6020 | { |
| 6021 | enum ieee80211_band band = nla_type(tx_rates); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6022 | if (band < 0 || band >= IEEE80211_NUM_BANDS) |
| 6023 | return -EINVAL; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6024 | sband = rdev->wiphy.bands[band]; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6025 | if (sband == NULL) |
| 6026 | return -EINVAL; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6027 | nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), |
| 6028 | nla_len(tx_rates), nl80211_txattr_policy); |
| 6029 | if (tb[NL80211_TXRATE_LEGACY]) { |
| 6030 | mask.control[band].legacy = rateset_to_mask( |
| 6031 | sband, |
| 6032 | nla_data(tb[NL80211_TXRATE_LEGACY]), |
| 6033 | nla_len(tb[NL80211_TXRATE_LEGACY])); |
Simon Wunderlich | 24db78c | 2012-01-28 17:25:32 +0100 | [diff] [blame] | 6034 | } |
| 6035 | if (tb[NL80211_TXRATE_MCS]) { |
| 6036 | if (!ht_rateset_to_mask( |
| 6037 | sband, |
| 6038 | nla_data(tb[NL80211_TXRATE_MCS]), |
| 6039 | nla_len(tb[NL80211_TXRATE_MCS]), |
| 6040 | mask.control[band].mcs)) |
| 6041 | return -EINVAL; |
| 6042 | } |
| 6043 | |
| 6044 | if (mask.control[band].legacy == 0) { |
| 6045 | /* don't allow empty legacy rates if HT |
| 6046 | * is not even supported. */ |
| 6047 | if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) |
| 6048 | return -EINVAL; |
| 6049 | |
| 6050 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) |
| 6051 | if (mask.control[band].mcs[i]) |
| 6052 | break; |
| 6053 | |
| 6054 | /* legacy and mcs rates may not be both empty */ |
| 6055 | if (i == IEEE80211_HT_MCS_MASK_LEN) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6056 | return -EINVAL; |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6057 | } |
| 6058 | } |
| 6059 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6060 | return rdev->ops->set_bitrate_mask(&rdev->wiphy, dev, NULL, &mask); |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 6061 | } |
| 6062 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6063 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6064 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6065 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6066 | struct net_device *dev = info->user_ptr[1]; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6067 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6068 | |
| 6069 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) |
| 6070 | return -EINVAL; |
| 6071 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6072 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
| 6073 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6074 | |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 6075 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 6076 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 6077 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
| 6078 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 6079 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
Javier Cardona | c7108a7 | 2010-12-16 17:37:50 -0800 | [diff] [blame] | 6080 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6081 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 6082 | return -EOPNOTSUPP; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6083 | |
| 6084 | /* not much point in registering if we can't reply */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6085 | if (!rdev->ops->mgmt_tx) |
| 6086 | return -EOPNOTSUPP; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6087 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6088 | return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6089 | frame_type, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6090 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
| 6091 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6092 | } |
| 6093 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6094 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6095 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6096 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6097 | struct net_device *dev = info->user_ptr[1]; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6098 | struct ieee80211_channel *chan; |
| 6099 | enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; |
Johannes Berg | 252aa63 | 2010-05-19 12:17:12 +0200 | [diff] [blame] | 6100 | bool channel_type_valid = false; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6101 | u32 freq; |
| 6102 | int err; |
Johannes Berg | d64d373 | 2011-11-10 09:44:46 +0100 | [diff] [blame] | 6103 | void *hdr = NULL; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6104 | u64 cookie; |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6105 | struct sk_buff *msg = NULL; |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6106 | unsigned int wait = 0; |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6107 | bool offchan, no_cck, dont_wait_for_ack; |
| 6108 | |
| 6109 | dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6110 | |
| 6111 | if (!info->attrs[NL80211_ATTR_FRAME] || |
| 6112 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) |
| 6113 | return -EINVAL; |
| 6114 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6115 | if (!rdev->ops->mgmt_tx) |
| 6116 | return -EOPNOTSUPP; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6117 | |
Johannes Berg | 9d38d85 | 2010-06-09 17:20:33 +0200 | [diff] [blame] | 6118 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 6119 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 6120 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
| 6121 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 6122 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
Javier Cardona | c7108a7 | 2010-12-16 17:37:50 -0800 | [diff] [blame] | 6123 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6124 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 6125 | return -EOPNOTSUPP; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6126 | |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6127 | if (info->attrs[NL80211_ATTR_DURATION]) { |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 6128 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6129 | return -EINVAL; |
| 6130 | wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
| 6131 | } |
| 6132 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6133 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
| 6134 | channel_type = nla_get_u32( |
| 6135 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
| 6136 | if (channel_type != NL80211_CHAN_NO_HT && |
| 6137 | channel_type != NL80211_CHAN_HT20 && |
| 6138 | channel_type != NL80211_CHAN_HT40PLUS && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6139 | channel_type != NL80211_CHAN_HT40MINUS) |
| 6140 | return -EINVAL; |
Johannes Berg | 252aa63 | 2010-05-19 12:17:12 +0200 | [diff] [blame] | 6141 | channel_type_valid = true; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6142 | } |
| 6143 | |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6144 | offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
| 6145 | |
Johannes Berg | 7c4ef71 | 2011-11-18 15:33:48 +0100 | [diff] [blame] | 6146 | if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
| 6147 | return -EINVAL; |
| 6148 | |
Rajkumar Manoharan | e9f935e | 2011-09-25 14:53:30 +0530 | [diff] [blame] | 6149 | no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
| 6150 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6151 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); |
| 6152 | chan = rdev_freq_to_chan(rdev, freq, channel_type); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6153 | if (chan == NULL) |
| 6154 | return -EINVAL; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6155 | |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6156 | if (!dont_wait_for_ack) { |
| 6157 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 6158 | if (!msg) |
| 6159 | return -ENOMEM; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6160 | |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6161 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 6162 | NL80211_CMD_FRAME); |
Dan Carpenter | 367c2a1 | 2013-08-14 11:50:01 +0000 | [diff] [blame] | 6163 | if (!hdr) { |
| 6164 | err = -ENOBUFS; |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6165 | goto free_msg; |
| 6166 | } |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6167 | } |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6168 | |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6169 | err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, |
| 6170 | channel_type_valid, wait, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 6171 | nla_data(info->attrs[NL80211_ATTR_FRAME]), |
| 6172 | nla_len(info->attrs[NL80211_ATTR_FRAME]), |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6173 | no_cck, dont_wait_for_ack, &cookie); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6174 | if (err) |
| 6175 | goto free_msg; |
| 6176 | |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6177 | if (msg) { |
| 6178 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6179 | |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 6180 | genlmsg_end(msg, hdr); |
| 6181 | return genlmsg_reply(msg, info); |
| 6182 | } |
| 6183 | |
| 6184 | return 0; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6185 | |
| 6186 | nla_put_failure: |
| 6187 | err = -ENOBUFS; |
| 6188 | free_msg: |
| 6189 | nlmsg_free(msg); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 6190 | return err; |
| 6191 | } |
| 6192 | |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 6193 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
| 6194 | { |
| 6195 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6196 | struct net_device *dev = info->user_ptr[1]; |
| 6197 | u64 cookie; |
| 6198 | |
| 6199 | if (!info->attrs[NL80211_ATTR_COOKIE]) |
| 6200 | return -EINVAL; |
| 6201 | |
| 6202 | if (!rdev->ops->mgmt_tx_cancel_wait) |
| 6203 | return -EOPNOTSUPP; |
| 6204 | |
| 6205 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
| 6206 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && |
| 6207 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
| 6208 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
| 6209 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
| 6210 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
| 6211 | return -EOPNOTSUPP; |
| 6212 | |
| 6213 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
| 6214 | |
| 6215 | return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); |
| 6216 | } |
| 6217 | |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6218 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
| 6219 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6220 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6221 | struct wireless_dev *wdev; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6222 | struct net_device *dev = info->user_ptr[1]; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6223 | u8 ps_state; |
| 6224 | bool state; |
| 6225 | int err; |
| 6226 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6227 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
| 6228 | return -EINVAL; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6229 | |
| 6230 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); |
| 6231 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6232 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
| 6233 | return -EINVAL; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6234 | |
| 6235 | wdev = dev->ieee80211_ptr; |
| 6236 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6237 | if (!rdev->ops->set_power_mgmt) |
| 6238 | return -EOPNOTSUPP; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6239 | |
| 6240 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; |
| 6241 | |
| 6242 | if (state == wdev->ps) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6243 | return 0; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6244 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6245 | err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, state, |
| 6246 | wdev->ps_timeout); |
| 6247 | if (!err) |
| 6248 | wdev->ps = state; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6249 | return err; |
| 6250 | } |
| 6251 | |
| 6252 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) |
| 6253 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6254 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6255 | enum nl80211_ps_state ps_state; |
| 6256 | struct wireless_dev *wdev; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6257 | struct net_device *dev = info->user_ptr[1]; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6258 | struct sk_buff *msg; |
| 6259 | void *hdr; |
| 6260 | int err; |
| 6261 | |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6262 | wdev = dev->ieee80211_ptr; |
| 6263 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6264 | if (!rdev->ops->set_power_mgmt) |
| 6265 | return -EOPNOTSUPP; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6266 | |
| 6267 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6268 | if (!msg) |
| 6269 | return -ENOMEM; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6270 | |
| 6271 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 6272 | NL80211_CMD_GET_POWER_SAVE); |
| 6273 | if (!hdr) { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6274 | err = -ENOBUFS; |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6275 | goto free_msg; |
| 6276 | } |
| 6277 | |
| 6278 | if (wdev->ps) |
| 6279 | ps_state = NL80211_PS_ENABLED; |
| 6280 | else |
| 6281 | ps_state = NL80211_PS_DISABLED; |
| 6282 | |
| 6283 | NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); |
| 6284 | |
| 6285 | genlmsg_end(msg, hdr); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6286 | return genlmsg_reply(msg, info); |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6287 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6288 | nla_put_failure: |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6289 | err = -ENOBUFS; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6290 | free_msg: |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6291 | nlmsg_free(msg); |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 6292 | return err; |
| 6293 | } |
| 6294 | |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6295 | static struct nla_policy |
| 6296 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { |
| 6297 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, |
| 6298 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
| 6299 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, |
| 6300 | }; |
| 6301 | |
| 6302 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
| 6303 | s32 threshold, u32 hysteresis) |
| 6304 | { |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6305 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6306 | struct wireless_dev *wdev; |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6307 | struct net_device *dev = info->user_ptr[1]; |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6308 | |
| 6309 | if (threshold > 0) |
| 6310 | return -EINVAL; |
| 6311 | |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6312 | wdev = dev->ieee80211_ptr; |
| 6313 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6314 | if (!rdev->ops->set_cqm_rssi_config) |
| 6315 | return -EOPNOTSUPP; |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6316 | |
Johannes Berg | 074ac8d | 2010-09-16 14:58:22 +0200 | [diff] [blame] | 6317 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6318 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
| 6319 | return -EOPNOTSUPP; |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6320 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6321 | return rdev->ops->set_cqm_rssi_config(wdev->wiphy, dev, |
| 6322 | threshold, hysteresis); |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 6323 | } |
| 6324 | |
| 6325 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) |
| 6326 | { |
| 6327 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; |
| 6328 | struct nlattr *cqm; |
| 6329 | int err; |
| 6330 | |
| 6331 | cqm = info->attrs[NL80211_ATTR_CQM]; |
| 6332 | if (!cqm) { |
| 6333 | err = -EINVAL; |
| 6334 | goto out; |
| 6335 | } |
| 6336 | |
| 6337 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, |
| 6338 | nl80211_attr_cqm_policy); |
| 6339 | if (err) |
| 6340 | goto out; |
| 6341 | |
| 6342 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && |
| 6343 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { |
| 6344 | s32 threshold; |
| 6345 | u32 hysteresis; |
| 6346 | threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); |
| 6347 | hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
| 6348 | err = nl80211_set_cqm_rssi(info, threshold, hysteresis); |
| 6349 | } else |
| 6350 | err = -EINVAL; |
| 6351 | |
| 6352 | out: |
| 6353 | return err; |
| 6354 | } |
| 6355 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6356 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
| 6357 | { |
| 6358 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6359 | struct net_device *dev = info->user_ptr[1]; |
| 6360 | struct mesh_config cfg; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 6361 | struct mesh_setup setup; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6362 | int err; |
| 6363 | |
| 6364 | /* start with default */ |
| 6365 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 6366 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6367 | |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 6368 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6369 | /* and parse parameters if given */ |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 6370 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6371 | if (err) |
| 6372 | return err; |
| 6373 | } |
| 6374 | |
| 6375 | if (!info->attrs[NL80211_ATTR_MESH_ID] || |
| 6376 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) |
| 6377 | return -EINVAL; |
| 6378 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 6379 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
| 6380 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); |
| 6381 | |
Chun-Yeow Yeoh | 4bb6234 | 2011-11-24 17:15:20 -0800 | [diff] [blame] | 6382 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
| 6383 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, |
| 6384 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) |
| 6385 | return -EINVAL; |
| 6386 | |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 6387 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
| 6388 | /* parse additional setup parameters if given */ |
| 6389 | err = nl80211_parse_mesh_setup(info, &setup); |
| 6390 | if (err) |
| 6391 | return err; |
| 6392 | } |
| 6393 | |
| 6394 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 6395 | } |
| 6396 | |
| 6397 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) |
| 6398 | { |
| 6399 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6400 | struct net_device *dev = info->user_ptr[1]; |
| 6401 | |
| 6402 | return cfg80211_leave_mesh(rdev, dev); |
| 6403 | } |
| 6404 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 6405 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
| 6406 | { |
| 6407 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6408 | struct sk_buff *msg; |
| 6409 | void *hdr; |
| 6410 | |
| 6411 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) |
| 6412 | return -EOPNOTSUPP; |
| 6413 | |
| 6414 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 6415 | if (!msg) |
| 6416 | return -ENOMEM; |
| 6417 | |
| 6418 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 6419 | NL80211_CMD_GET_WOWLAN); |
| 6420 | if (!hdr) |
| 6421 | goto nla_put_failure; |
| 6422 | |
| 6423 | if (rdev->wowlan) { |
| 6424 | struct nlattr *nl_wowlan; |
| 6425 | |
| 6426 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); |
| 6427 | if (!nl_wowlan) |
| 6428 | goto nla_put_failure; |
| 6429 | |
| 6430 | if (rdev->wowlan->any) |
| 6431 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_ANY); |
| 6432 | if (rdev->wowlan->disconnect) |
| 6433 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_DISCONNECT); |
| 6434 | if (rdev->wowlan->magic_pkt) |
| 6435 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT); |
Johannes Berg | 77dbbb1 | 2011-07-13 10:48:55 +0200 | [diff] [blame] | 6436 | if (rdev->wowlan->gtk_rekey_failure) |
| 6437 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE); |
| 6438 | if (rdev->wowlan->eap_identity_req) |
| 6439 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST); |
| 6440 | if (rdev->wowlan->four_way_handshake) |
| 6441 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE); |
| 6442 | if (rdev->wowlan->rfkill_release) |
| 6443 | NLA_PUT_FLAG(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE); |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 6444 | if (rdev->wowlan->n_patterns) { |
| 6445 | struct nlattr *nl_pats, *nl_pat; |
| 6446 | int i, pat_len; |
| 6447 | |
| 6448 | nl_pats = nla_nest_start(msg, |
| 6449 | NL80211_WOWLAN_TRIG_PKT_PATTERN); |
| 6450 | if (!nl_pats) |
| 6451 | goto nla_put_failure; |
| 6452 | |
| 6453 | for (i = 0; i < rdev->wowlan->n_patterns; i++) { |
| 6454 | nl_pat = nla_nest_start(msg, i + 1); |
| 6455 | if (!nl_pat) |
| 6456 | goto nla_put_failure; |
| 6457 | pat_len = rdev->wowlan->patterns[i].pattern_len; |
| 6458 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_MASK, |
| 6459 | DIV_ROUND_UP(pat_len, 8), |
| 6460 | rdev->wowlan->patterns[i].mask); |
| 6461 | NLA_PUT(msg, NL80211_WOWLAN_PKTPAT_PATTERN, |
| 6462 | pat_len, |
| 6463 | rdev->wowlan->patterns[i].pattern); |
| 6464 | nla_nest_end(msg, nl_pat); |
| 6465 | } |
| 6466 | nla_nest_end(msg, nl_pats); |
| 6467 | } |
| 6468 | |
| 6469 | nla_nest_end(msg, nl_wowlan); |
| 6470 | } |
| 6471 | |
| 6472 | genlmsg_end(msg, hdr); |
| 6473 | return genlmsg_reply(msg, info); |
| 6474 | |
| 6475 | nla_put_failure: |
| 6476 | nlmsg_free(msg); |
| 6477 | return -ENOBUFS; |
| 6478 | } |
| 6479 | |
| 6480 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
| 6481 | { |
| 6482 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6483 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; |
| 6484 | struct cfg80211_wowlan no_triggers = {}; |
| 6485 | struct cfg80211_wowlan new_triggers = {}; |
| 6486 | struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; |
| 6487 | int err, i; |
| 6488 | |
| 6489 | if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) |
| 6490 | return -EOPNOTSUPP; |
| 6491 | |
| 6492 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) |
| 6493 | goto no_triggers; |
| 6494 | |
| 6495 | err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, |
| 6496 | nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), |
| 6497 | nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), |
| 6498 | nl80211_wowlan_policy); |
| 6499 | if (err) |
| 6500 | return err; |
| 6501 | |
| 6502 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { |
| 6503 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) |
| 6504 | return -EINVAL; |
| 6505 | new_triggers.any = true; |
| 6506 | } |
| 6507 | |
| 6508 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { |
| 6509 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) |
| 6510 | return -EINVAL; |
| 6511 | new_triggers.disconnect = true; |
| 6512 | } |
| 6513 | |
| 6514 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { |
| 6515 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) |
| 6516 | return -EINVAL; |
| 6517 | new_triggers.magic_pkt = true; |
| 6518 | } |
| 6519 | |
Johannes Berg | 77dbbb1 | 2011-07-13 10:48:55 +0200 | [diff] [blame] | 6520 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
| 6521 | return -EINVAL; |
| 6522 | |
| 6523 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { |
| 6524 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) |
| 6525 | return -EINVAL; |
| 6526 | new_triggers.gtk_rekey_failure = true; |
| 6527 | } |
| 6528 | |
| 6529 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { |
| 6530 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) |
| 6531 | return -EINVAL; |
| 6532 | new_triggers.eap_identity_req = true; |
| 6533 | } |
| 6534 | |
| 6535 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { |
| 6536 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) |
| 6537 | return -EINVAL; |
| 6538 | new_triggers.four_way_handshake = true; |
| 6539 | } |
| 6540 | |
| 6541 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { |
| 6542 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) |
| 6543 | return -EINVAL; |
| 6544 | new_triggers.rfkill_release = true; |
| 6545 | } |
| 6546 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 6547 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
| 6548 | struct nlattr *pat; |
| 6549 | int n_patterns = 0; |
| 6550 | int rem, pat_len, mask_len; |
| 6551 | struct nlattr *pat_tb[NUM_NL80211_WOWLAN_PKTPAT]; |
| 6552 | |
| 6553 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
| 6554 | rem) |
| 6555 | n_patterns++; |
| 6556 | if (n_patterns > wowlan->n_patterns) |
| 6557 | return -EINVAL; |
| 6558 | |
| 6559 | new_triggers.patterns = kcalloc(n_patterns, |
| 6560 | sizeof(new_triggers.patterns[0]), |
| 6561 | GFP_KERNEL); |
| 6562 | if (!new_triggers.patterns) |
| 6563 | return -ENOMEM; |
| 6564 | |
| 6565 | new_triggers.n_patterns = n_patterns; |
| 6566 | i = 0; |
| 6567 | |
| 6568 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
| 6569 | rem) { |
| 6570 | nla_parse(pat_tb, MAX_NL80211_WOWLAN_PKTPAT, |
| 6571 | nla_data(pat), nla_len(pat), NULL); |
| 6572 | err = -EINVAL; |
| 6573 | if (!pat_tb[NL80211_WOWLAN_PKTPAT_MASK] || |
| 6574 | !pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]) |
| 6575 | goto error; |
| 6576 | pat_len = nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]); |
| 6577 | mask_len = DIV_ROUND_UP(pat_len, 8); |
| 6578 | if (nla_len(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]) != |
| 6579 | mask_len) |
| 6580 | goto error; |
| 6581 | if (pat_len > wowlan->pattern_max_len || |
| 6582 | pat_len < wowlan->pattern_min_len) |
| 6583 | goto error; |
| 6584 | |
| 6585 | new_triggers.patterns[i].mask = |
| 6586 | kmalloc(mask_len + pat_len, GFP_KERNEL); |
| 6587 | if (!new_triggers.patterns[i].mask) { |
| 6588 | err = -ENOMEM; |
| 6589 | goto error; |
| 6590 | } |
| 6591 | new_triggers.patterns[i].pattern = |
| 6592 | new_triggers.patterns[i].mask + mask_len; |
| 6593 | memcpy(new_triggers.patterns[i].mask, |
| 6594 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_MASK]), |
| 6595 | mask_len); |
| 6596 | new_triggers.patterns[i].pattern_len = pat_len; |
| 6597 | memcpy(new_triggers.patterns[i].pattern, |
| 6598 | nla_data(pat_tb[NL80211_WOWLAN_PKTPAT_PATTERN]), |
| 6599 | pat_len); |
| 6600 | i++; |
| 6601 | } |
| 6602 | } |
| 6603 | |
| 6604 | if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { |
| 6605 | struct cfg80211_wowlan *ntrig; |
| 6606 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), |
| 6607 | GFP_KERNEL); |
| 6608 | if (!ntrig) { |
| 6609 | err = -ENOMEM; |
| 6610 | goto error; |
| 6611 | } |
| 6612 | cfg80211_rdev_free_wowlan(rdev); |
| 6613 | rdev->wowlan = ntrig; |
| 6614 | } else { |
| 6615 | no_triggers: |
| 6616 | cfg80211_rdev_free_wowlan(rdev); |
| 6617 | rdev->wowlan = NULL; |
| 6618 | } |
| 6619 | |
| 6620 | return 0; |
| 6621 | error: |
| 6622 | for (i = 0; i < new_triggers.n_patterns; i++) |
| 6623 | kfree(new_triggers.patterns[i].mask); |
| 6624 | kfree(new_triggers.patterns); |
| 6625 | return err; |
| 6626 | } |
| 6627 | |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 6628 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
| 6629 | { |
| 6630 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6631 | struct net_device *dev = info->user_ptr[1]; |
| 6632 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 6633 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; |
| 6634 | struct cfg80211_gtk_rekey_data rekey_data; |
| 6635 | int err; |
| 6636 | |
| 6637 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) |
| 6638 | return -EINVAL; |
| 6639 | |
| 6640 | err = nla_parse(tb, MAX_NL80211_REKEY_DATA, |
| 6641 | nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]), |
| 6642 | nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]), |
| 6643 | nl80211_rekey_policy); |
| 6644 | if (err) |
| 6645 | return err; |
| 6646 | |
Vladis Dronov | f725dcf | 2017-09-13 00:21:21 +0200 | [diff] [blame] | 6647 | if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] || |
| 6648 | !tb[NL80211_REKEY_DATA_KCK]) |
| 6649 | return -EINVAL; |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 6650 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) |
| 6651 | return -ERANGE; |
| 6652 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) |
| 6653 | return -ERANGE; |
| 6654 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) |
| 6655 | return -ERANGE; |
| 6656 | |
| 6657 | memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]), |
| 6658 | NL80211_KEK_LEN); |
| 6659 | memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]), |
| 6660 | NL80211_KCK_LEN); |
| 6661 | memcpy(rekey_data.replay_ctr, |
| 6662 | nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]), |
| 6663 | NL80211_REPLAY_CTR_LEN); |
| 6664 | |
| 6665 | wdev_lock(wdev); |
| 6666 | if (!wdev->current_bss) { |
| 6667 | err = -ENOTCONN; |
| 6668 | goto out; |
| 6669 | } |
| 6670 | |
| 6671 | if (!rdev->ops->set_rekey_data) { |
| 6672 | err = -EOPNOTSUPP; |
| 6673 | goto out; |
| 6674 | } |
| 6675 | |
| 6676 | err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data); |
| 6677 | out: |
| 6678 | wdev_unlock(wdev); |
| 6679 | return err; |
| 6680 | } |
| 6681 | |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 6682 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
| 6683 | struct genl_info *info) |
| 6684 | { |
| 6685 | struct net_device *dev = info->user_ptr[1]; |
| 6686 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 6687 | |
| 6688 | if (wdev->iftype != NL80211_IFTYPE_AP && |
| 6689 | wdev->iftype != NL80211_IFTYPE_P2P_GO) |
| 6690 | return -EINVAL; |
| 6691 | |
| 6692 | if (wdev->ap_unexpected_nlpid) |
| 6693 | return -EBUSY; |
| 6694 | |
| 6695 | wdev->ap_unexpected_nlpid = info->snd_pid; |
| 6696 | return 0; |
| 6697 | } |
| 6698 | |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 6699 | static int nl80211_probe_client(struct sk_buff *skb, |
| 6700 | struct genl_info *info) |
| 6701 | { |
| 6702 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6703 | struct net_device *dev = info->user_ptr[1]; |
| 6704 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 6705 | struct sk_buff *msg; |
| 6706 | void *hdr; |
| 6707 | const u8 *addr; |
| 6708 | u64 cookie; |
| 6709 | int err; |
| 6710 | |
| 6711 | if (wdev->iftype != NL80211_IFTYPE_AP && |
| 6712 | wdev->iftype != NL80211_IFTYPE_P2P_GO) |
| 6713 | return -EOPNOTSUPP; |
| 6714 | |
| 6715 | if (!info->attrs[NL80211_ATTR_MAC]) |
| 6716 | return -EINVAL; |
| 6717 | |
| 6718 | if (!rdev->ops->probe_client) |
| 6719 | return -EOPNOTSUPP; |
| 6720 | |
| 6721 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 6722 | if (!msg) |
| 6723 | return -ENOMEM; |
| 6724 | |
| 6725 | hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, |
| 6726 | NL80211_CMD_PROBE_CLIENT); |
Dan Carpenter | 367c2a1 | 2013-08-14 11:50:01 +0000 | [diff] [blame] | 6727 | if (!hdr) { |
| 6728 | err = -ENOBUFS; |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 6729 | goto free_msg; |
| 6730 | } |
| 6731 | |
| 6732 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
| 6733 | |
| 6734 | err = rdev->ops->probe_client(&rdev->wiphy, dev, addr, &cookie); |
| 6735 | if (err) |
| 6736 | goto free_msg; |
| 6737 | |
| 6738 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
| 6739 | |
| 6740 | genlmsg_end(msg, hdr); |
| 6741 | |
| 6742 | return genlmsg_reply(msg, info); |
| 6743 | |
| 6744 | nla_put_failure: |
| 6745 | err = -ENOBUFS; |
| 6746 | free_msg: |
| 6747 | nlmsg_free(msg); |
| 6748 | return err; |
| 6749 | } |
| 6750 | |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 6751 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
| 6752 | { |
| 6753 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6754 | |
| 6755 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) |
| 6756 | return -EOPNOTSUPP; |
| 6757 | |
| 6758 | if (rdev->ap_beacons_nlpid) |
| 6759 | return -EBUSY; |
| 6760 | |
| 6761 | rdev->ap_beacons_nlpid = info->snd_pid; |
| 6762 | |
| 6763 | return 0; |
| 6764 | } |
| 6765 | |
Jouni Malinen | 2b4303f | 2013-03-19 14:30:49 +0530 | [diff] [blame] | 6766 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
| 6767 | { |
| 6768 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6769 | struct cfg80211_update_ft_ies_params ft_params; |
| 6770 | struct net_device *dev = info->user_ptr[1]; |
| 6771 | |
| 6772 | if (!rdev->ops->update_ft_ies) |
| 6773 | return -EOPNOTSUPP; |
| 6774 | |
| 6775 | if (!info->attrs[NL80211_ATTR_MDID] || |
| 6776 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
| 6777 | return -EINVAL; |
| 6778 | |
| 6779 | memset(&ft_params, 0, sizeof(ft_params)); |
| 6780 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); |
| 6781 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
| 6782 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); |
| 6783 | |
| 6784 | return rdev->ops->update_ft_ies(&rdev->wiphy, dev, &ft_params); |
| 6785 | } |
| 6786 | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 6787 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
| 6788 | { |
| 6789 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6790 | struct net_device *dev = info->user_ptr[1]; |
| 6791 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 6792 | int i, err; |
| 6793 | u32 vid, subcmd; |
| 6794 | |
| 6795 | if (!rdev->wiphy.vendor_commands) |
| 6796 | return -EOPNOTSUPP; |
| 6797 | |
| 6798 | if (IS_ERR(wdev)) { |
| 6799 | err = PTR_ERR(wdev); |
| 6800 | if (err != -EINVAL) |
| 6801 | return err; |
| 6802 | wdev = NULL; |
| 6803 | } else if (wdev->wiphy != &rdev->wiphy) { |
| 6804 | return -EINVAL; |
| 6805 | } |
| 6806 | |
| 6807 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || |
| 6808 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) |
| 6809 | return -EINVAL; |
| 6810 | |
| 6811 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); |
| 6812 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); |
| 6813 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
| 6814 | const struct wiphy_vendor_command *vcmd; |
| 6815 | void *data = NULL; |
| 6816 | int len = 0; |
| 6817 | |
| 6818 | vcmd = &rdev->wiphy.vendor_commands[i]; |
| 6819 | |
| 6820 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) |
| 6821 | continue; |
| 6822 | |
| 6823 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | |
| 6824 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { |
| 6825 | if (!wdev) |
| 6826 | return -EINVAL; |
| 6827 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && |
| 6828 | !wdev->netdev) |
| 6829 | return -EINVAL; |
| 6830 | |
| 6831 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { |
| 6832 | if (wdev->netdev && |
| 6833 | !netif_running(wdev->netdev)) |
| 6834 | return -ENETDOWN; |
| 6835 | } |
| 6836 | } else { |
| 6837 | wdev = NULL; |
| 6838 | } |
| 6839 | |
| 6840 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { |
| 6841 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); |
| 6842 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); |
| 6843 | } |
Sunil Dutt | ae07460 | 2014-05-27 18:37:04 +0530 | [diff] [blame] | 6844 | rdev->cur_cmd_info = info; |
| 6845 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 6846 | data, len); |
Sunil Dutt | ae07460 | 2014-05-27 18:37:04 +0530 | [diff] [blame] | 6847 | rdev->cur_cmd_info = NULL; |
| 6848 | return err; |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 6849 | } |
| 6850 | |
| 6851 | return -EOPNOTSUPP; |
| 6852 | } |
| 6853 | |
| 6854 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
| 6855 | enum nl80211_commands cmd, |
| 6856 | enum nl80211_attrs attr, |
| 6857 | int approxlen) |
| 6858 | { |
| 6859 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 6860 | |
| 6861 | if (WARN_ON(!rdev->cur_cmd_info)) |
| 6862 | return NULL; |
| 6863 | |
| 6864 | return __cfg80211_alloc_vendor_skb(rdev, approxlen, |
| 6865 | 0, |
| 6866 | 0, |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 6867 | cmd, attr, NULL, GFP_KERNEL); |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 6868 | } |
| 6869 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); |
| 6870 | |
| 6871 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) |
| 6872 | { |
| 6873 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; |
| 6874 | void *hdr = ((void **)skb->cb)[1]; |
| 6875 | struct nlattr *data = ((void **)skb->cb)[2]; |
| 6876 | |
| 6877 | if (WARN_ON(!rdev->cur_cmd_info)) { |
| 6878 | kfree_skb(skb); |
| 6879 | return -EINVAL; |
| 6880 | } |
| 6881 | |
Johannes Berg | 270e203 | 2014-07-30 14:55:26 +0200 | [diff] [blame] | 6882 | /* clear CB data for netlink core to own from now on */ |
| 6883 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 6884 | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 6885 | nla_nest_end(skb, data); |
| 6886 | genlmsg_end(skb, hdr); |
| 6887 | return genlmsg_reply(skb, rdev->cur_cmd_info); |
| 6888 | } |
| 6889 | EXPORT_SYMBOL(cfg80211_vendor_cmd_reply); |
| 6890 | |
Kyeyoon Park | 1368a38 | 2014-04-17 19:57:34 +0530 | [diff] [blame] | 6891 | static int nl80211_set_qos_map(struct sk_buff *skb, |
| 6892 | struct genl_info *info) |
| 6893 | { |
| 6894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
| 6895 | struct cfg80211_qos_map *qos_map = NULL; |
| 6896 | struct net_device *dev = info->user_ptr[1]; |
| 6897 | u8 *pos, len, num_des, des_len, des; |
| 6898 | int ret; |
| 6899 | |
| 6900 | if (!rdev->ops->set_qos_map) |
| 6901 | return -EOPNOTSUPP; |
| 6902 | |
| 6903 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { |
| 6904 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); |
| 6905 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); |
| 6906 | |
| 6907 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || |
| 6908 | len > IEEE80211_QOS_MAP_LEN_MAX) |
| 6909 | return -EINVAL; |
| 6910 | |
| 6911 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); |
| 6912 | if (!qos_map) |
| 6913 | return -ENOMEM; |
| 6914 | |
| 6915 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; |
| 6916 | if (num_des) { |
| 6917 | des_len = num_des * |
| 6918 | sizeof(struct cfg80211_dscp_exception); |
| 6919 | memcpy(qos_map->dscp_exception, pos, des_len); |
| 6920 | qos_map->num_des = num_des; |
| 6921 | for (des = 0; des < num_des; des++) { |
| 6922 | if (qos_map->dscp_exception[des].up > 7) { |
| 6923 | kfree(qos_map); |
| 6924 | return -EINVAL; |
| 6925 | } |
| 6926 | } |
| 6927 | pos += des_len; |
| 6928 | } |
| 6929 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); |
| 6930 | } |
| 6931 | |
| 6932 | wdev_lock(dev->ieee80211_ptr); |
| 6933 | ret = nl80211_key_allowed(dev->ieee80211_ptr); |
| 6934 | if (!ret) |
| 6935 | ret = rdev->ops->set_qos_map(&rdev->wiphy, dev, qos_map); |
| 6936 | wdev_unlock(dev->ieee80211_ptr); |
| 6937 | |
| 6938 | kfree(qos_map); |
| 6939 | return ret; |
| 6940 | } |
| 6941 | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6942 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
| 6943 | #define NL80211_FLAG_NEED_NETDEV 0x02 |
| 6944 | #define NL80211_FLAG_NEED_RTNL 0x04 |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 6945 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
| 6946 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ |
| 6947 | NL80211_FLAG_CHECK_NETDEV_UP) |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6948 | |
| 6949 | static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, |
| 6950 | struct genl_info *info) |
| 6951 | { |
| 6952 | struct cfg80211_registered_device *rdev; |
| 6953 | struct net_device *dev; |
| 6954 | int err; |
| 6955 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
| 6956 | |
| 6957 | if (rtnl) |
| 6958 | rtnl_lock(); |
| 6959 | |
| 6960 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { |
| 6961 | rdev = cfg80211_get_dev_from_info(info); |
| 6962 | if (IS_ERR(rdev)) { |
| 6963 | if (rtnl) |
| 6964 | rtnl_unlock(); |
| 6965 | return PTR_ERR(rdev); |
| 6966 | } |
| 6967 | info->user_ptr[0] = rdev; |
| 6968 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
Johannes Berg | 00918d3 | 2011-12-13 17:22:05 +0100 | [diff] [blame] | 6969 | err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs, |
| 6970 | &rdev, &dev); |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6971 | if (err) { |
| 6972 | if (rtnl) |
| 6973 | rtnl_unlock(); |
| 6974 | return err; |
| 6975 | } |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 6976 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
| 6977 | !netif_running(dev)) { |
Johannes Berg | d537f5f | 2010-10-05 21:34:11 +0200 | [diff] [blame] | 6978 | cfg80211_unlock_rdev(rdev); |
| 6979 | dev_put(dev); |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 6980 | if (rtnl) |
| 6981 | rtnl_unlock(); |
| 6982 | return -ENETDOWN; |
| 6983 | } |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 6984 | info->user_ptr[0] = rdev; |
| 6985 | info->user_ptr[1] = dev; |
| 6986 | } |
| 6987 | |
| 6988 | return 0; |
| 6989 | } |
| 6990 | |
| 6991 | static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, |
| 6992 | struct genl_info *info) |
| 6993 | { |
| 6994 | if (info->user_ptr[0]) |
| 6995 | cfg80211_unlock_rdev(info->user_ptr[0]); |
| 6996 | if (info->user_ptr[1]) |
| 6997 | dev_put(info->user_ptr[1]); |
| 6998 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
| 6999 | rtnl_unlock(); |
| 7000 | } |
| 7001 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7002 | static struct genl_ops nl80211_ops[] = { |
| 7003 | { |
| 7004 | .cmd = NL80211_CMD_GET_WIPHY, |
| 7005 | .doit = nl80211_get_wiphy, |
| 7006 | .dumpit = nl80211_dump_wiphy, |
| 7007 | .policy = nl80211_policy, |
| 7008 | /* can be retrieved by unprivileged users */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7009 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7010 | }, |
| 7011 | { |
| 7012 | .cmd = NL80211_CMD_SET_WIPHY, |
| 7013 | .doit = nl80211_set_wiphy, |
| 7014 | .policy = nl80211_policy, |
| 7015 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7016 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7017 | }, |
| 7018 | { |
| 7019 | .cmd = NL80211_CMD_GET_INTERFACE, |
| 7020 | .doit = nl80211_get_interface, |
| 7021 | .dumpit = nl80211_dump_interface, |
| 7022 | .policy = nl80211_policy, |
| 7023 | /* can be retrieved by unprivileged users */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7024 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7025 | }, |
| 7026 | { |
| 7027 | .cmd = NL80211_CMD_SET_INTERFACE, |
| 7028 | .doit = nl80211_set_interface, |
| 7029 | .policy = nl80211_policy, |
| 7030 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7031 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7032 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7033 | }, |
| 7034 | { |
| 7035 | .cmd = NL80211_CMD_NEW_INTERFACE, |
| 7036 | .doit = nl80211_new_interface, |
| 7037 | .policy = nl80211_policy, |
| 7038 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7039 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7040 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7041 | }, |
| 7042 | { |
| 7043 | .cmd = NL80211_CMD_DEL_INTERFACE, |
| 7044 | .doit = nl80211_del_interface, |
| 7045 | .policy = nl80211_policy, |
| 7046 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7047 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7048 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7049 | }, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 7050 | { |
| 7051 | .cmd = NL80211_CMD_GET_KEY, |
| 7052 | .doit = nl80211_get_key, |
| 7053 | .policy = nl80211_policy, |
| 7054 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7055 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7056 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 7057 | }, |
| 7058 | { |
| 7059 | .cmd = NL80211_CMD_SET_KEY, |
| 7060 | .doit = nl80211_set_key, |
| 7061 | .policy = nl80211_policy, |
| 7062 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7063 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7064 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 7065 | }, |
| 7066 | { |
| 7067 | .cmd = NL80211_CMD_NEW_KEY, |
| 7068 | .doit = nl80211_new_key, |
| 7069 | .policy = nl80211_policy, |
| 7070 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7071 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7072 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 7073 | }, |
| 7074 | { |
| 7075 | .cmd = NL80211_CMD_DEL_KEY, |
| 7076 | .doit = nl80211_del_key, |
| 7077 | .policy = nl80211_policy, |
| 7078 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7079 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7080 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 41ade00 | 2007-12-19 02:03:29 +0100 | [diff] [blame] | 7081 | }, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7082 | { |
| 7083 | .cmd = NL80211_CMD_SET_BEACON, |
| 7084 | .policy = nl80211_policy, |
| 7085 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 7086 | .doit = nl80211_set_beacon, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7087 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7088 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7089 | }, |
| 7090 | { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 7091 | .cmd = NL80211_CMD_START_AP, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7092 | .policy = nl80211_policy, |
| 7093 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 7094 | .doit = nl80211_start_ap, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7095 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7096 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7097 | }, |
| 7098 | { |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 7099 | .cmd = NL80211_CMD_STOP_AP, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7100 | .policy = nl80211_policy, |
| 7101 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 8860020 | 2012-02-13 15:17:18 +0100 | [diff] [blame] | 7102 | .doit = nl80211_stop_ap, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7103 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7104 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | ed1b6cc | 2007-12-19 02:03:32 +0100 | [diff] [blame] | 7105 | }, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7106 | { |
| 7107 | .cmd = NL80211_CMD_GET_STATION, |
| 7108 | .doit = nl80211_get_station, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7109 | .dumpit = nl80211_dump_station, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7110 | .policy = nl80211_policy, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7111 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7112 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7113 | }, |
| 7114 | { |
| 7115 | .cmd = NL80211_CMD_SET_STATION, |
| 7116 | .doit = nl80211_set_station, |
| 7117 | .policy = nl80211_policy, |
| 7118 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7119 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7120 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7121 | }, |
| 7122 | { |
| 7123 | .cmd = NL80211_CMD_NEW_STATION, |
| 7124 | .doit = nl80211_new_station, |
| 7125 | .policy = nl80211_policy, |
| 7126 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7127 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7128 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7129 | }, |
| 7130 | { |
| 7131 | .cmd = NL80211_CMD_DEL_STATION, |
| 7132 | .doit = nl80211_del_station, |
| 7133 | .policy = nl80211_policy, |
| 7134 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7135 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7136 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 5727ef1 | 2007-12-19 02:03:34 +0100 | [diff] [blame] | 7137 | }, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7138 | { |
| 7139 | .cmd = NL80211_CMD_GET_MPATH, |
| 7140 | .doit = nl80211_get_mpath, |
| 7141 | .dumpit = nl80211_dump_mpath, |
| 7142 | .policy = nl80211_policy, |
| 7143 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7144 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7145 | NL80211_FLAG_NEED_RTNL, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7146 | }, |
| 7147 | { |
| 7148 | .cmd = NL80211_CMD_SET_MPATH, |
| 7149 | .doit = nl80211_set_mpath, |
| 7150 | .policy = nl80211_policy, |
| 7151 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7152 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7153 | NL80211_FLAG_NEED_RTNL, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7154 | }, |
| 7155 | { |
| 7156 | .cmd = NL80211_CMD_NEW_MPATH, |
| 7157 | .doit = nl80211_new_mpath, |
| 7158 | .policy = nl80211_policy, |
| 7159 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7160 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7161 | NL80211_FLAG_NEED_RTNL, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7162 | }, |
| 7163 | { |
| 7164 | .cmd = NL80211_CMD_DEL_MPATH, |
| 7165 | .doit = nl80211_del_mpath, |
| 7166 | .policy = nl80211_policy, |
| 7167 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7168 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7169 | NL80211_FLAG_NEED_RTNL, |
Luis Carlos Cobo | 2ec600d | 2008-02-23 15:17:06 +0100 | [diff] [blame] | 7170 | }, |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 7171 | { |
| 7172 | .cmd = NL80211_CMD_SET_BSS, |
| 7173 | .doit = nl80211_set_bss, |
| 7174 | .policy = nl80211_policy, |
| 7175 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7176 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7177 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 9f1ba90 | 2008-08-07 20:07:01 +0300 | [diff] [blame] | 7178 | }, |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 7179 | { |
Luis R. Rodriguez | f130347 | 2009-01-30 09:26:42 -0800 | [diff] [blame] | 7180 | .cmd = NL80211_CMD_GET_REG, |
| 7181 | .doit = nl80211_get_reg, |
| 7182 | .policy = nl80211_policy, |
| 7183 | /* can be retrieved by unprivileged users */ |
| 7184 | }, |
| 7185 | { |
Luis R. Rodriguez | b2e1b30 | 2008-09-09 23:19:48 -0700 | [diff] [blame] | 7186 | .cmd = NL80211_CMD_SET_REG, |
| 7187 | .doit = nl80211_set_reg, |
| 7188 | .policy = nl80211_policy, |
| 7189 | .flags = GENL_ADMIN_PERM, |
| 7190 | }, |
| 7191 | { |
| 7192 | .cmd = NL80211_CMD_REQ_SET_REG, |
| 7193 | .doit = nl80211_req_set_reg, |
| 7194 | .policy = nl80211_policy, |
| 7195 | .flags = GENL_ADMIN_PERM, |
| 7196 | }, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 7197 | { |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 7198 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
| 7199 | .doit = nl80211_get_mesh_config, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 7200 | .policy = nl80211_policy, |
| 7201 | /* can be retrieved by unprivileged users */ |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7202 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7203 | NL80211_FLAG_NEED_RTNL, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 7204 | }, |
| 7205 | { |
Javier Cardona | 24bdd9f | 2010-12-16 17:37:48 -0800 | [diff] [blame] | 7206 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
| 7207 | .doit = nl80211_update_mesh_config, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 7208 | .policy = nl80211_policy, |
| 7209 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 7210 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7211 | NL80211_FLAG_NEED_RTNL, |
colin@cozybit.com | 93da9cc | 2008-10-21 12:03:48 -0700 | [diff] [blame] | 7212 | }, |
Jouni Malinen | 9aed3cc | 2009-01-13 16:03:29 +0200 | [diff] [blame] | 7213 | { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7214 | .cmd = NL80211_CMD_TRIGGER_SCAN, |
| 7215 | .doit = nl80211_trigger_scan, |
| 7216 | .policy = nl80211_policy, |
| 7217 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7218 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7219 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7220 | }, |
| 7221 | { |
| 7222 | .cmd = NL80211_CMD_GET_SCAN, |
| 7223 | .policy = nl80211_policy, |
| 7224 | .dumpit = nl80211_dump_scan, |
| 7225 | }, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7226 | { |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 7227 | .cmd = NL80211_CMD_START_SCHED_SCAN, |
| 7228 | .doit = nl80211_start_sched_scan, |
| 7229 | .policy = nl80211_policy, |
| 7230 | .flags = GENL_ADMIN_PERM, |
| 7231 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7232 | NL80211_FLAG_NEED_RTNL, |
| 7233 | }, |
| 7234 | { |
| 7235 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, |
| 7236 | .doit = nl80211_stop_sched_scan, |
| 7237 | .policy = nl80211_policy, |
| 7238 | .flags = GENL_ADMIN_PERM, |
| 7239 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7240 | NL80211_FLAG_NEED_RTNL, |
| 7241 | }, |
| 7242 | { |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7243 | .cmd = NL80211_CMD_AUTHENTICATE, |
| 7244 | .doit = nl80211_authenticate, |
| 7245 | .policy = nl80211_policy, |
| 7246 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7247 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7248 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7249 | }, |
| 7250 | { |
| 7251 | .cmd = NL80211_CMD_ASSOCIATE, |
| 7252 | .doit = nl80211_associate, |
| 7253 | .policy = nl80211_policy, |
| 7254 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7255 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7256 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7257 | }, |
| 7258 | { |
| 7259 | .cmd = NL80211_CMD_DEAUTHENTICATE, |
| 7260 | .doit = nl80211_deauthenticate, |
| 7261 | .policy = nl80211_policy, |
| 7262 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7263 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7264 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7265 | }, |
| 7266 | { |
| 7267 | .cmd = NL80211_CMD_DISASSOCIATE, |
| 7268 | .doit = nl80211_disassociate, |
| 7269 | .policy = nl80211_policy, |
| 7270 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7271 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7272 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 636a5d3 | 2009-03-19 13:39:22 +0200 | [diff] [blame] | 7273 | }, |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 7274 | { |
| 7275 | .cmd = NL80211_CMD_JOIN_IBSS, |
| 7276 | .doit = nl80211_join_ibss, |
| 7277 | .policy = nl80211_policy, |
| 7278 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7279 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7280 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 7281 | }, |
| 7282 | { |
| 7283 | .cmd = NL80211_CMD_LEAVE_IBSS, |
| 7284 | .doit = nl80211_leave_ibss, |
| 7285 | .policy = nl80211_policy, |
| 7286 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7287 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7288 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 7289 | }, |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 7290 | #ifdef CONFIG_NL80211_TESTMODE |
| 7291 | { |
| 7292 | .cmd = NL80211_CMD_TESTMODE, |
| 7293 | .doit = nl80211_testmode_do, |
Wey-Yi Guy | 71063f0 | 2011-05-20 09:05:54 -0700 | [diff] [blame] | 7294 | .dumpit = nl80211_testmode_dump, |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 7295 | .policy = nl80211_policy, |
| 7296 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7297 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7298 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 7299 | }, |
| 7300 | #endif |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7301 | { |
| 7302 | .cmd = NL80211_CMD_CONNECT, |
| 7303 | .doit = nl80211_connect, |
| 7304 | .policy = nl80211_policy, |
| 7305 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7306 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7307 | NL80211_FLAG_NEED_RTNL, |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7308 | }, |
| 7309 | { |
| 7310 | .cmd = NL80211_CMD_DISCONNECT, |
| 7311 | .doit = nl80211_disconnect, |
| 7312 | .policy = nl80211_policy, |
| 7313 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7314 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7315 | NL80211_FLAG_NEED_RTNL, |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7316 | }, |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7317 | { |
| 7318 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, |
| 7319 | .doit = nl80211_wiphy_netns, |
| 7320 | .policy = nl80211_policy, |
| 7321 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7322 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7323 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7324 | }, |
Holger Schurig | 61fa713 | 2009-11-11 12:25:40 +0100 | [diff] [blame] | 7325 | { |
| 7326 | .cmd = NL80211_CMD_GET_SURVEY, |
| 7327 | .policy = nl80211_policy, |
| 7328 | .dumpit = nl80211_dump_survey, |
| 7329 | }, |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 7330 | { |
| 7331 | .cmd = NL80211_CMD_SET_PMKSA, |
| 7332 | .doit = nl80211_setdel_pmksa, |
| 7333 | .policy = nl80211_policy, |
| 7334 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7335 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7336 | NL80211_FLAG_NEED_RTNL, |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 7337 | }, |
| 7338 | { |
| 7339 | .cmd = NL80211_CMD_DEL_PMKSA, |
| 7340 | .doit = nl80211_setdel_pmksa, |
| 7341 | .policy = nl80211_policy, |
| 7342 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7343 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7344 | NL80211_FLAG_NEED_RTNL, |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 7345 | }, |
| 7346 | { |
| 7347 | .cmd = NL80211_CMD_FLUSH_PMKSA, |
| 7348 | .doit = nl80211_flush_pmksa, |
| 7349 | .policy = nl80211_policy, |
| 7350 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7351 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7352 | NL80211_FLAG_NEED_RTNL, |
Samuel Ortiz | 67fbb16 | 2009-11-24 23:59:15 +0100 | [diff] [blame] | 7353 | }, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 7354 | { |
| 7355 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, |
| 7356 | .doit = nl80211_remain_on_channel, |
| 7357 | .policy = nl80211_policy, |
| 7358 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7359 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7360 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 7361 | }, |
| 7362 | { |
| 7363 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
| 7364 | .doit = nl80211_cancel_remain_on_channel, |
| 7365 | .policy = nl80211_policy, |
| 7366 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7367 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7368 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 7369 | }, |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 7370 | { |
| 7371 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, |
| 7372 | .doit = nl80211_set_tx_bitrate_mask, |
| 7373 | .policy = nl80211_policy, |
| 7374 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7375 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7376 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 13ae75b | 2009-12-29 12:59:45 +0200 | [diff] [blame] | 7377 | }, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 7378 | { |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 7379 | .cmd = NL80211_CMD_REGISTER_FRAME, |
| 7380 | .doit = nl80211_register_mgmt, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 7381 | .policy = nl80211_policy, |
| 7382 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7383 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7384 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 7385 | }, |
| 7386 | { |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 7387 | .cmd = NL80211_CMD_FRAME, |
| 7388 | .doit = nl80211_tx_mgmt, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 7389 | .policy = nl80211_policy, |
| 7390 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4126571 | 2010-10-04 21:14:05 +0200 | [diff] [blame] | 7391 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7392 | NL80211_FLAG_NEED_RTNL, |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 7393 | }, |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 7394 | { |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 7395 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, |
| 7396 | .doit = nl80211_tx_mgmt_cancel_wait, |
| 7397 | .policy = nl80211_policy, |
| 7398 | .flags = GENL_ADMIN_PERM, |
| 7399 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7400 | NL80211_FLAG_NEED_RTNL, |
| 7401 | }, |
| 7402 | { |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 7403 | .cmd = NL80211_CMD_SET_POWER_SAVE, |
| 7404 | .doit = nl80211_set_power_save, |
| 7405 | .policy = nl80211_policy, |
| 7406 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7407 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7408 | NL80211_FLAG_NEED_RTNL, |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 7409 | }, |
| 7410 | { |
| 7411 | .cmd = NL80211_CMD_GET_POWER_SAVE, |
| 7412 | .doit = nl80211_get_power_save, |
| 7413 | .policy = nl80211_policy, |
| 7414 | /* can be retrieved by unprivileged users */ |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7415 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7416 | NL80211_FLAG_NEED_RTNL, |
Kalle Valo | ffb9eb3 | 2010-02-17 17:58:10 +0200 | [diff] [blame] | 7417 | }, |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 7418 | { |
| 7419 | .cmd = NL80211_CMD_SET_CQM, |
| 7420 | .doit = nl80211_set_cqm, |
| 7421 | .policy = nl80211_policy, |
| 7422 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7423 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7424 | NL80211_FLAG_NEED_RTNL, |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 7425 | }, |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 7426 | { |
| 7427 | .cmd = NL80211_CMD_SET_CHANNEL, |
| 7428 | .doit = nl80211_set_channel, |
| 7429 | .policy = nl80211_policy, |
| 7430 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 4c47699 | 2010-10-04 21:36:35 +0200 | [diff] [blame] | 7431 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7432 | NL80211_FLAG_NEED_RTNL, |
Johannes Berg | f444de0 | 2010-05-05 15:25:02 +0200 | [diff] [blame] | 7433 | }, |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 7434 | { |
| 7435 | .cmd = NL80211_CMD_SET_WDS_PEER, |
| 7436 | .doit = nl80211_set_wds_peer, |
| 7437 | .policy = nl80211_policy, |
| 7438 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 43b1995 | 2010-10-07 13:10:30 +0200 | [diff] [blame] | 7439 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7440 | NL80211_FLAG_NEED_RTNL, |
Bill Jordan | e8347eb | 2010-10-01 13:54:28 -0400 | [diff] [blame] | 7441 | }, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 7442 | { |
| 7443 | .cmd = NL80211_CMD_JOIN_MESH, |
| 7444 | .doit = nl80211_join_mesh, |
| 7445 | .policy = nl80211_policy, |
| 7446 | .flags = GENL_ADMIN_PERM, |
| 7447 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7448 | NL80211_FLAG_NEED_RTNL, |
| 7449 | }, |
| 7450 | { |
| 7451 | .cmd = NL80211_CMD_LEAVE_MESH, |
| 7452 | .doit = nl80211_leave_mesh, |
| 7453 | .policy = nl80211_policy, |
| 7454 | .flags = GENL_ADMIN_PERM, |
| 7455 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7456 | NL80211_FLAG_NEED_RTNL, |
| 7457 | }, |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 7458 | { |
| 7459 | .cmd = NL80211_CMD_GET_WOWLAN, |
| 7460 | .doit = nl80211_get_wowlan, |
| 7461 | .policy = nl80211_policy, |
| 7462 | /* can be retrieved by unprivileged users */ |
| 7463 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7464 | NL80211_FLAG_NEED_RTNL, |
| 7465 | }, |
| 7466 | { |
| 7467 | .cmd = NL80211_CMD_SET_WOWLAN, |
| 7468 | .doit = nl80211_set_wowlan, |
| 7469 | .policy = nl80211_policy, |
| 7470 | .flags = GENL_ADMIN_PERM, |
| 7471 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7472 | NL80211_FLAG_NEED_RTNL, |
| 7473 | }, |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 7474 | { |
| 7475 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, |
| 7476 | .doit = nl80211_set_rekey_data, |
| 7477 | .policy = nl80211_policy, |
| 7478 | .flags = GENL_ADMIN_PERM, |
| 7479 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7480 | NL80211_FLAG_NEED_RTNL, |
| 7481 | }, |
Arik Nemtsov | 109086c | 2011-09-28 14:12:50 +0300 | [diff] [blame] | 7482 | { |
| 7483 | .cmd = NL80211_CMD_TDLS_MGMT, |
| 7484 | .doit = nl80211_tdls_mgmt, |
| 7485 | .policy = nl80211_policy, |
| 7486 | .flags = GENL_ADMIN_PERM, |
| 7487 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7488 | NL80211_FLAG_NEED_RTNL, |
| 7489 | }, |
| 7490 | { |
| 7491 | .cmd = NL80211_CMD_TDLS_OPER, |
| 7492 | .doit = nl80211_tdls_oper, |
| 7493 | .policy = nl80211_policy, |
| 7494 | .flags = GENL_ADMIN_PERM, |
| 7495 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7496 | NL80211_FLAG_NEED_RTNL, |
| 7497 | }, |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 7498 | { |
| 7499 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, |
| 7500 | .doit = nl80211_register_unexpected_frame, |
| 7501 | .policy = nl80211_policy, |
| 7502 | .flags = GENL_ADMIN_PERM, |
| 7503 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7504 | NL80211_FLAG_NEED_RTNL, |
| 7505 | }, |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 7506 | { |
| 7507 | .cmd = NL80211_CMD_PROBE_CLIENT, |
| 7508 | .doit = nl80211_probe_client, |
| 7509 | .policy = nl80211_policy, |
| 7510 | .flags = GENL_ADMIN_PERM, |
Johannes Berg | 2b5f8b0 | 2012-04-02 10:51:55 +0200 | [diff] [blame] | 7511 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 7512 | NL80211_FLAG_NEED_RTNL, |
| 7513 | }, |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 7514 | { |
| 7515 | .cmd = NL80211_CMD_REGISTER_BEACONS, |
| 7516 | .doit = nl80211_register_beacons, |
| 7517 | .policy = nl80211_policy, |
| 7518 | .flags = GENL_ADMIN_PERM, |
| 7519 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
| 7520 | NL80211_FLAG_NEED_RTNL, |
| 7521 | }, |
Simon Wunderlich | 1d9d921 | 2011-11-18 14:20:43 +0100 | [diff] [blame] | 7522 | { |
| 7523 | .cmd = NL80211_CMD_SET_NOACK_MAP, |
| 7524 | .doit = nl80211_set_noack_map, |
| 7525 | .policy = nl80211_policy, |
| 7526 | .flags = GENL_ADMIN_PERM, |
| 7527 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7528 | NL80211_FLAG_NEED_RTNL, |
| 7529 | }, |
Jouni Malinen | 2b4303f | 2013-03-19 14:30:49 +0530 | [diff] [blame] | 7530 | { |
Vasanthakumar Thiagarajan | b78cacb | 2013-05-14 19:04:43 +0530 | [diff] [blame] | 7531 | .cmd = NL80211_CMD_SET_MAC_ACL, |
| 7532 | .doit = nl80211_set_mac_acl, |
| 7533 | .policy = nl80211_policy, |
| 7534 | .flags = GENL_ADMIN_PERM, |
| 7535 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
| 7536 | NL80211_FLAG_NEED_RTNL, |
| 7537 | }, |
| 7538 | { |
Jouni Malinen | 2b4303f | 2013-03-19 14:30:49 +0530 | [diff] [blame] | 7539 | .cmd = NL80211_CMD_UPDATE_FT_IES, |
| 7540 | .doit = nl80211_update_ft_ies, |
| 7541 | .policy = nl80211_policy, |
| 7542 | .flags = GENL_ADMIN_PERM, |
| 7543 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7544 | NL80211_FLAG_NEED_RTNL, |
| 7545 | }, |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 7546 | { |
| 7547 | .cmd = NL80211_CMD_VENDOR, |
| 7548 | .doit = nl80211_vendor_cmd, |
| 7549 | .policy = nl80211_policy, |
| 7550 | .flags = GENL_ADMIN_PERM, |
Subhani Shaik | 2163182 | 2014-03-17 15:41:45 -0700 | [diff] [blame] | 7551 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
Leo Chang | 21b770c | 2014-01-15 19:22:28 -0800 | [diff] [blame] | 7552 | NL80211_FLAG_NEED_RTNL, |
| 7553 | }, |
Kyeyoon Park | 1368a38 | 2014-04-17 19:57:34 +0530 | [diff] [blame] | 7554 | { |
| 7555 | .cmd = NL80211_CMD_SET_QOS_MAP, |
| 7556 | .doit = nl80211_set_qos_map, |
| 7557 | .policy = nl80211_policy, |
| 7558 | .flags = GENL_ADMIN_PERM, |
| 7559 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
| 7560 | NL80211_FLAG_NEED_RTNL, |
| 7561 | }, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7562 | }; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 7563 | |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7564 | static struct genl_multicast_group nl80211_mlme_mcgrp = { |
| 7565 | .name = "mlme", |
| 7566 | }; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7567 | |
| 7568 | /* multicast groups */ |
| 7569 | static struct genl_multicast_group nl80211_config_mcgrp = { |
| 7570 | .name = "config", |
| 7571 | }; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7572 | static struct genl_multicast_group nl80211_scan_mcgrp = { |
| 7573 | .name = "scan", |
| 7574 | }; |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 7575 | static struct genl_multicast_group nl80211_regulatory_mcgrp = { |
| 7576 | .name = "regulatory", |
| 7577 | }; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7578 | |
| 7579 | /* notification functions */ |
| 7580 | |
| 7581 | void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) |
| 7582 | { |
| 7583 | struct sk_buff *msg; |
| 7584 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 7585 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7586 | if (!msg) |
| 7587 | return; |
| 7588 | |
| 7589 | if (nl80211_send_wiphy(msg, 0, 0, 0, rdev) < 0) { |
| 7590 | nlmsg_free(msg); |
| 7591 | return; |
| 7592 | } |
| 7593 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7594 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7595 | nl80211_config_mcgrp.id, GFP_KERNEL); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 7596 | } |
| 7597 | |
Johannes Berg | 362a415 | 2009-05-24 16:43:15 +0200 | [diff] [blame] | 7598 | static int nl80211_add_scan_req(struct sk_buff *msg, |
| 7599 | struct cfg80211_registered_device *rdev) |
| 7600 | { |
| 7601 | struct cfg80211_scan_request *req = rdev->scan_req; |
| 7602 | struct nlattr *nest; |
| 7603 | int i; |
| 7604 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 7605 | ASSERT_RDEV_LOCK(rdev); |
| 7606 | |
Johannes Berg | 362a415 | 2009-05-24 16:43:15 +0200 | [diff] [blame] | 7607 | if (WARN_ON(!req)) |
| 7608 | return 0; |
| 7609 | |
| 7610 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); |
| 7611 | if (!nest) |
| 7612 | goto nla_put_failure; |
| 7613 | for (i = 0; i < req->n_ssids; i++) |
| 7614 | NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid); |
| 7615 | nla_nest_end(msg, nest); |
| 7616 | |
| 7617 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
| 7618 | if (!nest) |
| 7619 | goto nla_put_failure; |
| 7620 | for (i = 0; i < req->n_channels; i++) |
| 7621 | NLA_PUT_U32(msg, i, req->channels[i]->center_freq); |
| 7622 | nla_nest_end(msg, nest); |
| 7623 | |
| 7624 | if (req->ie) |
| 7625 | NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie); |
| 7626 | |
| 7627 | return 0; |
| 7628 | nla_put_failure: |
| 7629 | return -ENOBUFS; |
| 7630 | } |
| 7631 | |
Johannes Berg | a538e2d | 2009-06-16 19:56:42 +0200 | [diff] [blame] | 7632 | static int nl80211_send_scan_msg(struct sk_buff *msg, |
| 7633 | struct cfg80211_registered_device *rdev, |
| 7634 | struct net_device *netdev, |
| 7635 | u32 pid, u32 seq, int flags, |
| 7636 | u32 cmd) |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7637 | { |
| 7638 | void *hdr; |
| 7639 | |
| 7640 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); |
| 7641 | if (!hdr) |
| 7642 | return -1; |
| 7643 | |
Luis R. Rodriguez | b5850a7 | 2009-02-21 00:04:19 -0500 | [diff] [blame] | 7644 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7645 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 7646 | |
Johannes Berg | 362a415 | 2009-05-24 16:43:15 +0200 | [diff] [blame] | 7647 | /* ignore errors and send incomplete event anyway */ |
| 7648 | nl80211_add_scan_req(msg, rdev); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7649 | |
| 7650 | return genlmsg_end(msg, hdr); |
| 7651 | |
| 7652 | nla_put_failure: |
| 7653 | genlmsg_cancel(msg, hdr); |
| 7654 | return -EMSGSIZE; |
| 7655 | } |
| 7656 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 7657 | static int |
| 7658 | nl80211_send_sched_scan_msg(struct sk_buff *msg, |
| 7659 | struct cfg80211_registered_device *rdev, |
| 7660 | struct net_device *netdev, |
| 7661 | u32 pid, u32 seq, int flags, u32 cmd) |
| 7662 | { |
| 7663 | void *hdr; |
| 7664 | |
| 7665 | hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); |
| 7666 | if (!hdr) |
| 7667 | return -1; |
| 7668 | |
| 7669 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 7670 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 7671 | |
| 7672 | return genlmsg_end(msg, hdr); |
| 7673 | |
| 7674 | nla_put_failure: |
| 7675 | genlmsg_cancel(msg, hdr); |
| 7676 | return -EMSGSIZE; |
| 7677 | } |
| 7678 | |
Johannes Berg | a538e2d | 2009-06-16 19:56:42 +0200 | [diff] [blame] | 7679 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
| 7680 | struct net_device *netdev) |
| 7681 | { |
| 7682 | struct sk_buff *msg; |
| 7683 | |
| 7684 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
| 7685 | if (!msg) |
| 7686 | return; |
| 7687 | |
| 7688 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
| 7689 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
| 7690 | nlmsg_free(msg); |
| 7691 | return; |
| 7692 | } |
| 7693 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7694 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7695 | nl80211_scan_mcgrp.id, GFP_KERNEL); |
Johannes Berg | a538e2d | 2009-06-16 19:56:42 +0200 | [diff] [blame] | 7696 | } |
| 7697 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7698 | void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, |
| 7699 | struct net_device *netdev) |
| 7700 | { |
| 7701 | struct sk_buff *msg; |
| 7702 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 7703 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7704 | if (!msg) |
| 7705 | return; |
| 7706 | |
Johannes Berg | a538e2d | 2009-06-16 19:56:42 +0200 | [diff] [blame] | 7707 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
| 7708 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7709 | nlmsg_free(msg); |
| 7710 | return; |
| 7711 | } |
| 7712 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7713 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7714 | nl80211_scan_mcgrp.id, GFP_KERNEL); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7715 | } |
| 7716 | |
| 7717 | void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, |
| 7718 | struct net_device *netdev) |
| 7719 | { |
| 7720 | struct sk_buff *msg; |
| 7721 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 7722 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7723 | if (!msg) |
| 7724 | return; |
| 7725 | |
Johannes Berg | a538e2d | 2009-06-16 19:56:42 +0200 | [diff] [blame] | 7726 | if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, |
| 7727 | NL80211_CMD_SCAN_ABORTED) < 0) { |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7728 | nlmsg_free(msg); |
| 7729 | return; |
| 7730 | } |
| 7731 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7732 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7733 | nl80211_scan_mcgrp.id, GFP_KERNEL); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 7734 | } |
| 7735 | |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 7736 | void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, |
| 7737 | struct net_device *netdev) |
| 7738 | { |
| 7739 | struct sk_buff *msg; |
| 7740 | |
| 7741 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 7742 | if (!msg) |
| 7743 | return; |
| 7744 | |
| 7745 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, |
| 7746 | NL80211_CMD_SCHED_SCAN_RESULTS) < 0) { |
| 7747 | nlmsg_free(msg); |
| 7748 | return; |
| 7749 | } |
| 7750 | |
| 7751 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7752 | nl80211_scan_mcgrp.id, GFP_KERNEL); |
| 7753 | } |
| 7754 | |
| 7755 | void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, |
| 7756 | struct net_device *netdev, u32 cmd) |
| 7757 | { |
| 7758 | struct sk_buff *msg; |
| 7759 | |
| 7760 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
| 7761 | if (!msg) |
| 7762 | return; |
| 7763 | |
| 7764 | if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) { |
| 7765 | nlmsg_free(msg); |
| 7766 | return; |
| 7767 | } |
| 7768 | |
| 7769 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7770 | nl80211_scan_mcgrp.id, GFP_KERNEL); |
| 7771 | } |
| 7772 | |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 7773 | /* |
| 7774 | * This can happen on global regulatory changes or device specific settings |
| 7775 | * based on custom world regulatory domains. |
| 7776 | */ |
| 7777 | void nl80211_send_reg_change_event(struct regulatory_request *request) |
| 7778 | { |
| 7779 | struct sk_buff *msg; |
| 7780 | void *hdr; |
| 7781 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 7782 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 7783 | if (!msg) |
| 7784 | return; |
| 7785 | |
| 7786 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE); |
| 7787 | if (!hdr) { |
| 7788 | nlmsg_free(msg); |
| 7789 | return; |
| 7790 | } |
| 7791 | |
| 7792 | /* Userspace can always count this one always being set */ |
| 7793 | NLA_PUT_U8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator); |
| 7794 | |
| 7795 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') |
| 7796 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, |
| 7797 | NL80211_REGDOM_TYPE_WORLD); |
| 7798 | else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') |
| 7799 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, |
| 7800 | NL80211_REGDOM_TYPE_CUSTOM_WORLD); |
| 7801 | else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || |
| 7802 | request->intersect) |
| 7803 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, |
| 7804 | NL80211_REGDOM_TYPE_INTERSECTION); |
| 7805 | else { |
| 7806 | NLA_PUT_U8(msg, NL80211_ATTR_REG_TYPE, |
| 7807 | NL80211_REGDOM_TYPE_COUNTRY); |
| 7808 | NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, request->alpha2); |
| 7809 | } |
| 7810 | |
| 7811 | if (wiphy_idx_valid(request->wiphy_idx)) |
| 7812 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx); |
| 7813 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 7814 | genlmsg_end(msg, hdr); |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 7815 | |
Johannes Berg | bc43b28 | 2009-07-25 10:54:13 +0200 | [diff] [blame] | 7816 | rcu_read_lock(); |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7817 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
Johannes Berg | bc43b28 | 2009-07-25 10:54:13 +0200 | [diff] [blame] | 7818 | GFP_ATOMIC); |
| 7819 | rcu_read_unlock(); |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 7820 | |
| 7821 | return; |
| 7822 | |
| 7823 | nla_put_failure: |
| 7824 | genlmsg_cancel(msg, hdr); |
| 7825 | nlmsg_free(msg); |
| 7826 | } |
| 7827 | |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7828 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
| 7829 | struct net_device *netdev, |
| 7830 | const u8 *buf, size_t len, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7831 | enum nl80211_commands cmd, gfp_t gfp) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7832 | { |
| 7833 | struct sk_buff *msg; |
| 7834 | void *hdr; |
| 7835 | |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7836 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7837 | if (!msg) |
| 7838 | return; |
| 7839 | |
| 7840 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
| 7841 | if (!hdr) { |
| 7842 | nlmsg_free(msg); |
| 7843 | return; |
| 7844 | } |
| 7845 | |
| 7846 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 7847 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 7848 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); |
| 7849 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 7850 | genlmsg_end(msg, hdr); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7851 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7852 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7853 | nl80211_mlme_mcgrp.id, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7854 | return; |
| 7855 | |
| 7856 | nla_put_failure: |
| 7857 | genlmsg_cancel(msg, hdr); |
| 7858 | nlmsg_free(msg); |
| 7859 | } |
| 7860 | |
| 7861 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7862 | struct net_device *netdev, const u8 *buf, |
| 7863 | size_t len, gfp_t gfp) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7864 | { |
| 7865 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7866 | NL80211_CMD_AUTHENTICATE, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7867 | } |
| 7868 | |
| 7869 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, |
| 7870 | struct net_device *netdev, const u8 *buf, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7871 | size_t len, gfp_t gfp) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7872 | { |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7873 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
| 7874 | NL80211_CMD_ASSOCIATE, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7875 | } |
| 7876 | |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 7877 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7878 | struct net_device *netdev, const u8 *buf, |
| 7879 | size_t len, gfp_t gfp) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7880 | { |
| 7881 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7882 | NL80211_CMD_DEAUTHENTICATE, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7883 | } |
| 7884 | |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 7885 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
| 7886 | struct net_device *netdev, const u8 *buf, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7887 | size_t len, gfp_t gfp) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7888 | { |
| 7889 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7890 | NL80211_CMD_DISASSOCIATE, gfp); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 7891 | } |
| 7892 | |
Jouni Malinen | cf4e594 | 2010-12-16 00:52:40 +0200 | [diff] [blame] | 7893 | void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev, |
| 7894 | struct net_device *netdev, const u8 *buf, |
| 7895 | size_t len, gfp_t gfp) |
| 7896 | { |
| 7897 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
| 7898 | NL80211_CMD_UNPROT_DEAUTHENTICATE, gfp); |
| 7899 | } |
| 7900 | |
| 7901 | void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev, |
| 7902 | struct net_device *netdev, const u8 *buf, |
| 7903 | size_t len, gfp_t gfp) |
| 7904 | { |
| 7905 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
| 7906 | NL80211_CMD_UNPROT_DISASSOCIATE, gfp); |
| 7907 | } |
| 7908 | |
Luis R. Rodriguez | 1b06bb4 | 2009-05-02 00:34:48 -0400 | [diff] [blame] | 7909 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
| 7910 | struct net_device *netdev, int cmd, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7911 | const u8 *addr, gfp_t gfp) |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7912 | { |
| 7913 | struct sk_buff *msg; |
| 7914 | void *hdr; |
| 7915 | |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7916 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7917 | if (!msg) |
| 7918 | return; |
| 7919 | |
| 7920 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
| 7921 | if (!hdr) { |
| 7922 | nlmsg_free(msg); |
| 7923 | return; |
| 7924 | } |
| 7925 | |
| 7926 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 7927 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 7928 | NLA_PUT_FLAG(msg, NL80211_ATTR_TIMED_OUT); |
| 7929 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
| 7930 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 7931 | genlmsg_end(msg, hdr); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7932 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7933 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7934 | nl80211_mlme_mcgrp.id, gfp); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7935 | return; |
| 7936 | |
| 7937 | nla_put_failure: |
| 7938 | genlmsg_cancel(msg, hdr); |
| 7939 | nlmsg_free(msg); |
| 7940 | } |
| 7941 | |
| 7942 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7943 | struct net_device *netdev, const u8 *addr, |
| 7944 | gfp_t gfp) |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7945 | { |
| 7946 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7947 | addr, gfp); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7948 | } |
| 7949 | |
| 7950 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7951 | struct net_device *netdev, const u8 *addr, |
| 7952 | gfp_t gfp) |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7953 | { |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 7954 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
| 7955 | addr, gfp); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 7956 | } |
| 7957 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7958 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
| 7959 | struct net_device *netdev, const u8 *bssid, |
| 7960 | const u8 *req_ie, size_t req_ie_len, |
| 7961 | const u8 *resp_ie, size_t resp_ie_len, |
| 7962 | u16 status, gfp_t gfp) |
| 7963 | { |
| 7964 | struct sk_buff *msg; |
| 7965 | void *hdr; |
| 7966 | |
| 7967 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 7968 | if (!msg) |
| 7969 | return; |
| 7970 | |
| 7971 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); |
| 7972 | if (!hdr) { |
| 7973 | nlmsg_free(msg); |
| 7974 | return; |
| 7975 | } |
| 7976 | |
| 7977 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 7978 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 7979 | if (bssid) |
| 7980 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); |
| 7981 | NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status); |
| 7982 | if (req_ie) |
| 7983 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); |
| 7984 | if (resp_ie) |
| 7985 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); |
| 7986 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 7987 | genlmsg_end(msg, hdr); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7988 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 7989 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 7990 | nl80211_mlme_mcgrp.id, gfp); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 7991 | return; |
| 7992 | |
| 7993 | nla_put_failure: |
| 7994 | genlmsg_cancel(msg, hdr); |
| 7995 | nlmsg_free(msg); |
| 7996 | |
| 7997 | } |
| 7998 | |
| 7999 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, |
| 8000 | struct net_device *netdev, const u8 *bssid, |
| 8001 | const u8 *req_ie, size_t req_ie_len, |
| 8002 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) |
| 8003 | { |
| 8004 | struct sk_buff *msg; |
| 8005 | void *hdr; |
| 8006 | |
| 8007 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8008 | if (!msg) |
| 8009 | return; |
| 8010 | |
| 8011 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); |
| 8012 | if (!hdr) { |
| 8013 | nlmsg_free(msg); |
| 8014 | return; |
| 8015 | } |
| 8016 | |
| 8017 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8018 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8019 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); |
| 8020 | if (req_ie) |
| 8021 | NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie); |
| 8022 | if (resp_ie) |
| 8023 | NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie); |
| 8024 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8025 | genlmsg_end(msg, hdr); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8026 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 8027 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8028 | nl80211_mlme_mcgrp.id, gfp); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8029 | return; |
| 8030 | |
| 8031 | nla_put_failure: |
| 8032 | genlmsg_cancel(msg, hdr); |
| 8033 | nlmsg_free(msg); |
| 8034 | |
| 8035 | } |
| 8036 | |
| 8037 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, |
| 8038 | struct net_device *netdev, u16 reason, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 8039 | const u8 *ie, size_t ie_len, bool from_ap) |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8040 | { |
| 8041 | struct sk_buff *msg; |
| 8042 | void *hdr; |
| 8043 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 8044 | msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8045 | if (!msg) |
| 8046 | return; |
| 8047 | |
| 8048 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); |
| 8049 | if (!hdr) { |
| 8050 | nlmsg_free(msg); |
| 8051 | return; |
| 8052 | } |
| 8053 | |
| 8054 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8055 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8056 | if (from_ap && reason) |
| 8057 | NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason); |
| 8058 | if (from_ap) |
| 8059 | NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP); |
| 8060 | if (ie) |
| 8061 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie); |
| 8062 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8063 | genlmsg_end(msg, hdr); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8064 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 8065 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8066 | nl80211_mlme_mcgrp.id, GFP_KERNEL); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 8067 | return; |
| 8068 | |
| 8069 | nla_put_failure: |
| 8070 | genlmsg_cancel(msg, hdr); |
| 8071 | nlmsg_free(msg); |
| 8072 | |
| 8073 | } |
| 8074 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 8075 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
| 8076 | struct net_device *netdev, const u8 *bssid, |
| 8077 | gfp_t gfp) |
| 8078 | { |
| 8079 | struct sk_buff *msg; |
| 8080 | void *hdr; |
| 8081 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 8082 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 8083 | if (!msg) |
| 8084 | return; |
| 8085 | |
| 8086 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); |
| 8087 | if (!hdr) { |
| 8088 | nlmsg_free(msg); |
| 8089 | return; |
| 8090 | } |
| 8091 | |
| 8092 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8093 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8094 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); |
| 8095 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8096 | genlmsg_end(msg, hdr); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 8097 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 8098 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8099 | nl80211_mlme_mcgrp.id, gfp); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 8100 | return; |
| 8101 | |
| 8102 | nla_put_failure: |
| 8103 | genlmsg_cancel(msg, hdr); |
| 8104 | nlmsg_free(msg); |
| 8105 | } |
| 8106 | |
Javier Cardona | c93b5e7 | 2011-04-07 15:08:34 -0700 | [diff] [blame] | 8107 | void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev, |
| 8108 | struct net_device *netdev, |
| 8109 | const u8 *macaddr, const u8* ie, u8 ie_len, |
| 8110 | gfp_t gfp) |
| 8111 | { |
| 8112 | struct sk_buff *msg; |
| 8113 | void *hdr; |
| 8114 | |
| 8115 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
| 8116 | if (!msg) |
| 8117 | return; |
| 8118 | |
| 8119 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); |
| 8120 | if (!hdr) { |
| 8121 | nlmsg_free(msg); |
| 8122 | return; |
| 8123 | } |
| 8124 | |
| 8125 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8126 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8127 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr); |
| 8128 | if (ie_len && ie) |
| 8129 | NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie); |
| 8130 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8131 | genlmsg_end(msg, hdr); |
Javier Cardona | c93b5e7 | 2011-04-07 15:08:34 -0700 | [diff] [blame] | 8132 | |
| 8133 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8134 | nl80211_mlme_mcgrp.id, gfp); |
| 8135 | return; |
| 8136 | |
| 8137 | nla_put_failure: |
| 8138 | genlmsg_cancel(msg, hdr); |
| 8139 | nlmsg_free(msg); |
| 8140 | } |
| 8141 | |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8142 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
| 8143 | struct net_device *netdev, const u8 *addr, |
| 8144 | enum nl80211_key_type key_type, int key_id, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 8145 | const u8 *tsc, gfp_t gfp) |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8146 | { |
| 8147 | struct sk_buff *msg; |
| 8148 | void *hdr; |
| 8149 | |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 8150 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8151 | if (!msg) |
| 8152 | return; |
| 8153 | |
| 8154 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); |
| 8155 | if (!hdr) { |
| 8156 | nlmsg_free(msg); |
| 8157 | return; |
| 8158 | } |
| 8159 | |
| 8160 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8161 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8162 | if (addr) |
| 8163 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
| 8164 | NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type); |
Arik Nemtsov | a66b98d | 2011-06-23 00:00:24 +0300 | [diff] [blame] | 8165 | if (key_id != -1) |
| 8166 | NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8167 | if (tsc) |
| 8168 | NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc); |
| 8169 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8170 | genlmsg_end(msg, hdr); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8171 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 8172 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8173 | nl80211_mlme_mcgrp.id, gfp); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 8174 | return; |
| 8175 | |
| 8176 | nla_put_failure: |
| 8177 | genlmsg_cancel(msg, hdr); |
| 8178 | nlmsg_free(msg); |
| 8179 | } |
| 8180 | |
Luis R. Rodriguez | 6bad876 | 2009-04-02 14:08:09 -0400 | [diff] [blame] | 8181 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
| 8182 | struct ieee80211_channel *channel_before, |
| 8183 | struct ieee80211_channel *channel_after) |
| 8184 | { |
| 8185 | struct sk_buff *msg; |
| 8186 | void *hdr; |
| 8187 | struct nlattr *nl_freq; |
| 8188 | |
Pablo Neira Ayuso | fd2120c | 2009-05-19 15:27:55 -0700 | [diff] [blame] | 8189 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
Luis R. Rodriguez | 6bad876 | 2009-04-02 14:08:09 -0400 | [diff] [blame] | 8190 | if (!msg) |
| 8191 | return; |
| 8192 | |
| 8193 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); |
| 8194 | if (!hdr) { |
| 8195 | nlmsg_free(msg); |
| 8196 | return; |
| 8197 | } |
| 8198 | |
| 8199 | /* |
| 8200 | * Since we are applying the beacon hint to a wiphy we know its |
| 8201 | * wiphy_idx is valid |
| 8202 | */ |
| 8203 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)); |
| 8204 | |
| 8205 | /* Before */ |
| 8206 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); |
| 8207 | if (!nl_freq) |
| 8208 | goto nla_put_failure; |
| 8209 | if (nl80211_msg_put_channel(msg, channel_before)) |
| 8210 | goto nla_put_failure; |
| 8211 | nla_nest_end(msg, nl_freq); |
| 8212 | |
| 8213 | /* After */ |
| 8214 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); |
| 8215 | if (!nl_freq) |
| 8216 | goto nla_put_failure; |
| 8217 | if (nl80211_msg_put_channel(msg, channel_after)) |
| 8218 | goto nla_put_failure; |
| 8219 | nla_nest_end(msg, nl_freq); |
| 8220 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8221 | genlmsg_end(msg, hdr); |
Luis R. Rodriguez | 6bad876 | 2009-04-02 14:08:09 -0400 | [diff] [blame] | 8222 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 8223 | rcu_read_lock(); |
| 8224 | genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, |
| 8225 | GFP_ATOMIC); |
| 8226 | rcu_read_unlock(); |
Luis R. Rodriguez | 6bad876 | 2009-04-02 14:08:09 -0400 | [diff] [blame] | 8227 | |
| 8228 | return; |
| 8229 | |
| 8230 | nla_put_failure: |
| 8231 | genlmsg_cancel(msg, hdr); |
| 8232 | nlmsg_free(msg); |
| 8233 | } |
| 8234 | |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 8235 | static void nl80211_send_remain_on_chan_event( |
| 8236 | int cmd, struct cfg80211_registered_device *rdev, |
| 8237 | struct net_device *netdev, u64 cookie, |
| 8238 | struct ieee80211_channel *chan, |
| 8239 | enum nl80211_channel_type channel_type, |
| 8240 | unsigned int duration, gfp_t gfp) |
| 8241 | { |
| 8242 | struct sk_buff *msg; |
| 8243 | void *hdr; |
| 8244 | |
| 8245 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
| 8246 | if (!msg) |
| 8247 | return; |
| 8248 | |
| 8249 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
| 8250 | if (!hdr) { |
| 8251 | nlmsg_free(msg); |
| 8252 | return; |
| 8253 | } |
| 8254 | |
| 8255 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8256 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8257 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq); |
| 8258 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type); |
| 8259 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
| 8260 | |
| 8261 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL) |
| 8262 | NLA_PUT_U32(msg, NL80211_ATTR_DURATION, duration); |
| 8263 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8264 | genlmsg_end(msg, hdr); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 8265 | |
| 8266 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8267 | nl80211_mlme_mcgrp.id, gfp); |
| 8268 | return; |
| 8269 | |
| 8270 | nla_put_failure: |
| 8271 | genlmsg_cancel(msg, hdr); |
| 8272 | nlmsg_free(msg); |
| 8273 | } |
| 8274 | |
| 8275 | void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, |
| 8276 | struct net_device *netdev, u64 cookie, |
| 8277 | struct ieee80211_channel *chan, |
| 8278 | enum nl80211_channel_type channel_type, |
| 8279 | unsigned int duration, gfp_t gfp) |
| 8280 | { |
| 8281 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
| 8282 | rdev, netdev, cookie, chan, |
| 8283 | channel_type, duration, gfp); |
| 8284 | } |
| 8285 | |
| 8286 | void nl80211_send_remain_on_channel_cancel( |
| 8287 | struct cfg80211_registered_device *rdev, struct net_device *netdev, |
| 8288 | u64 cookie, struct ieee80211_channel *chan, |
| 8289 | enum nl80211_channel_type channel_type, gfp_t gfp) |
| 8290 | { |
| 8291 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
| 8292 | rdev, netdev, cookie, chan, |
| 8293 | channel_type, 0, gfp); |
| 8294 | } |
| 8295 | |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 8296 | void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, |
| 8297 | struct net_device *dev, const u8 *mac_addr, |
| 8298 | struct station_info *sinfo, gfp_t gfp) |
| 8299 | { |
| 8300 | struct sk_buff *msg; |
| 8301 | |
| 8302 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8303 | if (!msg) |
| 8304 | return; |
| 8305 | |
John W. Linville | 66266b3 | 2012-03-15 13:25:41 -0400 | [diff] [blame] | 8306 | if (nl80211_send_station(msg, 0, 0, 0, |
| 8307 | rdev, dev, mac_addr, sinfo) < 0) { |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 8308 | nlmsg_free(msg); |
| 8309 | return; |
| 8310 | } |
| 8311 | |
| 8312 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8313 | nl80211_mlme_mcgrp.id, gfp); |
| 8314 | } |
| 8315 | |
Jouni Malinen | ec15e68 | 2011-03-23 15:29:52 +0200 | [diff] [blame] | 8316 | void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, |
| 8317 | struct net_device *dev, const u8 *mac_addr, |
| 8318 | gfp_t gfp) |
| 8319 | { |
| 8320 | struct sk_buff *msg; |
| 8321 | void *hdr; |
| 8322 | |
| 8323 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8324 | if (!msg) |
| 8325 | return; |
| 8326 | |
| 8327 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION); |
| 8328 | if (!hdr) { |
| 8329 | nlmsg_free(msg); |
| 8330 | return; |
| 8331 | } |
| 8332 | |
| 8333 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 8334 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); |
| 8335 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8336 | genlmsg_end(msg, hdr); |
Jouni Malinen | ec15e68 | 2011-03-23 15:29:52 +0200 | [diff] [blame] | 8337 | |
| 8338 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8339 | nl80211_mlme_mcgrp.id, gfp); |
| 8340 | return; |
| 8341 | |
| 8342 | nla_put_failure: |
| 8343 | genlmsg_cancel(msg, hdr); |
| 8344 | nlmsg_free(msg); |
| 8345 | } |
| 8346 | |
Johannes Berg | b92ab5d | 2011-11-04 11:18:19 +0100 | [diff] [blame] | 8347 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
| 8348 | const u8 *addr, gfp_t gfp) |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 8349 | { |
| 8350 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 8351 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
| 8352 | struct sk_buff *msg; |
| 8353 | void *hdr; |
| 8354 | int err; |
| 8355 | u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); |
| 8356 | |
| 8357 | if (!nlpid) |
| 8358 | return false; |
| 8359 | |
| 8360 | msg = nlmsg_new(100, gfp); |
| 8361 | if (!msg) |
| 8362 | return true; |
| 8363 | |
Johannes Berg | b92ab5d | 2011-11-04 11:18:19 +0100 | [diff] [blame] | 8364 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 8365 | if (!hdr) { |
| 8366 | nlmsg_free(msg); |
| 8367 | return true; |
| 8368 | } |
| 8369 | |
| 8370 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8371 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 8372 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
| 8373 | |
| 8374 | err = genlmsg_end(msg, hdr); |
| 8375 | if (err < 0) { |
| 8376 | nlmsg_free(msg); |
| 8377 | return true; |
| 8378 | } |
| 8379 | |
| 8380 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); |
| 8381 | return true; |
| 8382 | |
| 8383 | nla_put_failure: |
| 8384 | genlmsg_cancel(msg, hdr); |
| 8385 | nlmsg_free(msg); |
| 8386 | return true; |
| 8387 | } |
| 8388 | |
Johannes Berg | b92ab5d | 2011-11-04 11:18:19 +0100 | [diff] [blame] | 8389 | bool nl80211_unexpected_frame(struct net_device *dev, const u8 *addr, gfp_t gfp) |
| 8390 | { |
| 8391 | return __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, |
| 8392 | addr, gfp); |
| 8393 | } |
| 8394 | |
| 8395 | bool nl80211_unexpected_4addr_frame(struct net_device *dev, |
| 8396 | const u8 *addr, gfp_t gfp) |
| 8397 | { |
| 8398 | return __nl80211_unexpected_frame(dev, |
| 8399 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, |
| 8400 | addr, gfp); |
| 8401 | } |
| 8402 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 8403 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
| 8404 | struct net_device *netdev, u32 nlpid, |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 8405 | int freq, int sig_dbm, |
| 8406 | const u8 *buf, size_t len, gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8407 | { |
| 8408 | struct sk_buff *msg; |
| 8409 | void *hdr; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8410 | |
| 8411 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
| 8412 | if (!msg) |
| 8413 | return -ENOMEM; |
| 8414 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 8415 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8416 | if (!hdr) { |
| 8417 | nlmsg_free(msg); |
| 8418 | return -ENOMEM; |
| 8419 | } |
| 8420 | |
| 8421 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8422 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8423 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 8424 | if (sig_dbm) |
| 8425 | NLA_PUT_U32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8426 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); |
| 8427 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8428 | genlmsg_end(msg, hdr); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8429 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8430 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8431 | |
| 8432 | nla_put_failure: |
| 8433 | genlmsg_cancel(msg, hdr); |
| 8434 | nlmsg_free(msg); |
| 8435 | return -ENOBUFS; |
| 8436 | } |
| 8437 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 8438 | void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, |
| 8439 | struct net_device *netdev, u64 cookie, |
| 8440 | const u8 *buf, size_t len, bool ack, |
| 8441 | gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8442 | { |
| 8443 | struct sk_buff *msg; |
| 8444 | void *hdr; |
| 8445 | |
| 8446 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
| 8447 | if (!msg) |
| 8448 | return; |
| 8449 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 8450 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8451 | if (!hdr) { |
| 8452 | nlmsg_free(msg); |
| 8453 | return; |
| 8454 | } |
| 8455 | |
| 8456 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8457 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8458 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, buf); |
| 8459 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
| 8460 | if (ack) |
| 8461 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); |
| 8462 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8463 | genlmsg_end(msg, hdr); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8464 | |
Michal Kazior | dee5833 | 2013-06-25 09:17:17 +0200 | [diff] [blame] | 8465 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8466 | nl80211_mlme_mcgrp.id, gfp); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8467 | return; |
| 8468 | |
| 8469 | nla_put_failure: |
| 8470 | genlmsg_cancel(msg, hdr); |
| 8471 | nlmsg_free(msg); |
| 8472 | } |
| 8473 | |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 8474 | void |
| 8475 | nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, |
| 8476 | struct net_device *netdev, |
| 8477 | enum nl80211_cqm_rssi_threshold_event rssi_event, |
| 8478 | gfp_t gfp) |
| 8479 | { |
| 8480 | struct sk_buff *msg; |
| 8481 | struct nlattr *pinfoattr; |
| 8482 | void *hdr; |
| 8483 | |
| 8484 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8485 | if (!msg) |
| 8486 | return; |
| 8487 | |
| 8488 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); |
| 8489 | if (!hdr) { |
| 8490 | nlmsg_free(msg); |
| 8491 | return; |
| 8492 | } |
| 8493 | |
| 8494 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8495 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8496 | |
| 8497 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); |
| 8498 | if (!pinfoattr) |
| 8499 | goto nla_put_failure; |
| 8500 | |
| 8501 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, |
| 8502 | rssi_event); |
| 8503 | |
| 8504 | nla_nest_end(msg, pinfoattr); |
| 8505 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8506 | genlmsg_end(msg, hdr); |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 8507 | |
| 8508 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8509 | nl80211_mlme_mcgrp.id, gfp); |
| 8510 | return; |
| 8511 | |
| 8512 | nla_put_failure: |
| 8513 | genlmsg_cancel(msg, hdr); |
| 8514 | nlmsg_free(msg); |
| 8515 | } |
| 8516 | |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 8517 | void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
| 8518 | struct net_device *netdev, const u8 *bssid, |
| 8519 | const u8 *replay_ctr, gfp_t gfp) |
| 8520 | { |
| 8521 | struct sk_buff *msg; |
| 8522 | struct nlattr *rekey_attr; |
| 8523 | void *hdr; |
| 8524 | |
| 8525 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8526 | if (!msg) |
| 8527 | return; |
| 8528 | |
| 8529 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); |
| 8530 | if (!hdr) { |
| 8531 | nlmsg_free(msg); |
| 8532 | return; |
| 8533 | } |
| 8534 | |
| 8535 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8536 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8537 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); |
| 8538 | |
| 8539 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); |
| 8540 | if (!rekey_attr) |
| 8541 | goto nla_put_failure; |
| 8542 | |
| 8543 | NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
| 8544 | NL80211_REPLAY_CTR_LEN, replay_ctr); |
| 8545 | |
| 8546 | nla_nest_end(msg, rekey_attr); |
| 8547 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8548 | genlmsg_end(msg, hdr); |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 8549 | |
| 8550 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8551 | nl80211_mlme_mcgrp.id, gfp); |
| 8552 | return; |
| 8553 | |
| 8554 | nla_put_failure: |
| 8555 | genlmsg_cancel(msg, hdr); |
| 8556 | nlmsg_free(msg); |
| 8557 | } |
| 8558 | |
Jouni Malinen | c9df56b | 2011-09-16 18:56:23 +0300 | [diff] [blame] | 8559 | void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, |
| 8560 | struct net_device *netdev, int index, |
| 8561 | const u8 *bssid, bool preauth, gfp_t gfp) |
| 8562 | { |
| 8563 | struct sk_buff *msg; |
| 8564 | struct nlattr *attr; |
| 8565 | void *hdr; |
| 8566 | |
| 8567 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8568 | if (!msg) |
| 8569 | return; |
| 8570 | |
| 8571 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); |
| 8572 | if (!hdr) { |
| 8573 | nlmsg_free(msg); |
| 8574 | return; |
| 8575 | } |
| 8576 | |
| 8577 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8578 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8579 | |
| 8580 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); |
| 8581 | if (!attr) |
| 8582 | goto nla_put_failure; |
| 8583 | |
| 8584 | NLA_PUT_U32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index); |
| 8585 | NLA_PUT(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid); |
| 8586 | if (preauth) |
| 8587 | NLA_PUT_FLAG(msg, NL80211_PMKSA_CANDIDATE_PREAUTH); |
| 8588 | |
| 8589 | nla_nest_end(msg, attr); |
| 8590 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8591 | genlmsg_end(msg, hdr); |
Jouni Malinen | c9df56b | 2011-09-16 18:56:23 +0300 | [diff] [blame] | 8592 | |
| 8593 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8594 | nl80211_mlme_mcgrp.id, gfp); |
| 8595 | return; |
| 8596 | |
| 8597 | nla_put_failure: |
| 8598 | genlmsg_cancel(msg, hdr); |
| 8599 | nlmsg_free(msg); |
| 8600 | } |
| 8601 | |
Johannes Berg | c063dbf | 2010-11-24 08:10:05 +0100 | [diff] [blame] | 8602 | void |
| 8603 | nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, |
| 8604 | struct net_device *netdev, const u8 *peer, |
| 8605 | u32 num_packets, gfp_t gfp) |
| 8606 | { |
| 8607 | struct sk_buff *msg; |
| 8608 | struct nlattr *pinfoattr; |
| 8609 | void *hdr; |
| 8610 | |
| 8611 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8612 | if (!msg) |
| 8613 | return; |
| 8614 | |
| 8615 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); |
| 8616 | if (!hdr) { |
| 8617 | nlmsg_free(msg); |
| 8618 | return; |
| 8619 | } |
| 8620 | |
| 8621 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8622 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8623 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); |
| 8624 | |
| 8625 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); |
| 8626 | if (!pinfoattr) |
| 8627 | goto nla_put_failure; |
| 8628 | |
| 8629 | NLA_PUT_U32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets); |
| 8630 | |
| 8631 | nla_nest_end(msg, pinfoattr); |
| 8632 | |
Johannes Berg | 3b7b72e | 2011-10-22 19:05:51 +0200 | [diff] [blame] | 8633 | genlmsg_end(msg, hdr); |
Johannes Berg | c063dbf | 2010-11-24 08:10:05 +0100 | [diff] [blame] | 8634 | |
| 8635 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8636 | nl80211_mlme_mcgrp.id, gfp); |
| 8637 | return; |
| 8638 | |
| 8639 | nla_put_failure: |
| 8640 | genlmsg_cancel(msg, hdr); |
| 8641 | nlmsg_free(msg); |
| 8642 | } |
| 8643 | |
Johannes Berg | 7f6cf31 | 2011-11-04 11:18:15 +0100 | [diff] [blame] | 8644 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
| 8645 | u64 cookie, bool acked, gfp_t gfp) |
| 8646 | { |
| 8647 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 8648 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
| 8649 | struct sk_buff *msg; |
| 8650 | void *hdr; |
| 8651 | int err; |
| 8652 | |
| 8653 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); |
| 8654 | if (!msg) |
| 8655 | return; |
| 8656 | |
| 8657 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); |
| 8658 | if (!hdr) { |
| 8659 | nlmsg_free(msg); |
| 8660 | return; |
| 8661 | } |
| 8662 | |
| 8663 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8664 | NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); |
| 8665 | NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); |
| 8666 | NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, cookie); |
| 8667 | if (acked) |
| 8668 | NLA_PUT_FLAG(msg, NL80211_ATTR_ACK); |
| 8669 | |
| 8670 | err = genlmsg_end(msg, hdr); |
| 8671 | if (err < 0) { |
| 8672 | nlmsg_free(msg); |
| 8673 | return; |
| 8674 | } |
| 8675 | |
| 8676 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8677 | nl80211_mlme_mcgrp.id, gfp); |
| 8678 | return; |
| 8679 | |
| 8680 | nla_put_failure: |
| 8681 | genlmsg_cancel(msg, hdr); |
| 8682 | nlmsg_free(msg); |
| 8683 | } |
| 8684 | EXPORT_SYMBOL(cfg80211_probe_status); |
| 8685 | |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 8686 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
| 8687 | const u8 *frame, size_t len, |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 8688 | int freq, int sig_dbm, gfp_t gfp) |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 8689 | { |
| 8690 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 8691 | struct sk_buff *msg; |
| 8692 | void *hdr; |
| 8693 | u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); |
| 8694 | |
| 8695 | if (!nlpid) |
| 8696 | return; |
| 8697 | |
| 8698 | msg = nlmsg_new(len + 100, gfp); |
| 8699 | if (!msg) |
| 8700 | return; |
| 8701 | |
| 8702 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
| 8703 | if (!hdr) { |
| 8704 | nlmsg_free(msg); |
| 8705 | return; |
| 8706 | } |
| 8707 | |
| 8708 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8709 | if (freq) |
| 8710 | NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 8711 | if (sig_dbm) |
| 8712 | NLA_PUT_U32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm); |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 8713 | NLA_PUT(msg, NL80211_ATTR_FRAME, len, frame); |
| 8714 | |
| 8715 | genlmsg_end(msg, hdr); |
| 8716 | |
| 8717 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); |
| 8718 | return; |
| 8719 | |
| 8720 | nla_put_failure: |
| 8721 | genlmsg_cancel(msg, hdr); |
| 8722 | nlmsg_free(msg); |
| 8723 | } |
| 8724 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); |
| 8725 | |
Jouni Malinen | 4e1c844 | 2013-01-28 21:11:03 -0800 | [diff] [blame] | 8726 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
| 8727 | enum nl80211_tdls_operation oper, |
| 8728 | u16 reason_code, gfp_t gfp) |
| 8729 | { |
| 8730 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 8731 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
| 8732 | struct sk_buff *msg; |
| 8733 | void *hdr; |
| 8734 | int err; |
| 8735 | |
| 8736 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
| 8737 | if (!msg) |
| 8738 | return; |
| 8739 | |
| 8740 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); |
| 8741 | if (!hdr) { |
| 8742 | nlmsg_free(msg); |
| 8743 | return; |
| 8744 | } |
| 8745 | |
| 8746 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
| 8747 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
| 8748 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || |
| 8749 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || |
| 8750 | (reason_code > 0 && |
| 8751 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) |
| 8752 | goto nla_put_failure; |
| 8753 | |
| 8754 | err = genlmsg_end(msg, hdr); |
| 8755 | if (err < 0) { |
| 8756 | nlmsg_free(msg); |
| 8757 | return; |
| 8758 | } |
| 8759 | |
| 8760 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8761 | nl80211_mlme_mcgrp.id, gfp); |
| 8762 | return; |
| 8763 | |
| 8764 | nla_put_failure: |
| 8765 | genlmsg_cancel(msg, hdr); |
| 8766 | nlmsg_free(msg); |
| 8767 | } |
| 8768 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); |
| 8769 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8770 | static int nl80211_netlink_notify(struct notifier_block * nb, |
| 8771 | unsigned long state, |
| 8772 | void *_notify) |
| 8773 | { |
| 8774 | struct netlink_notify *notify = _notify; |
| 8775 | struct cfg80211_registered_device *rdev; |
| 8776 | struct wireless_dev *wdev; |
| 8777 | |
| 8778 | if (state != NETLINK_URELEASE) |
| 8779 | return NOTIFY_DONE; |
| 8780 | |
| 8781 | rcu_read_lock(); |
| 8782 | |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 8783 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8784 | list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 8785 | cfg80211_mlme_unregister_socket(wdev, notify->pid); |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 8786 | if (rdev->ap_beacons_nlpid == notify->pid) |
| 8787 | rdev->ap_beacons_nlpid = 0; |
| 8788 | } |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8789 | |
| 8790 | rcu_read_unlock(); |
| 8791 | |
| 8792 | return NOTIFY_DONE; |
| 8793 | } |
| 8794 | |
| 8795 | static struct notifier_block nl80211_netlink_notifier = { |
| 8796 | .notifier_call = nl80211_netlink_notify, |
| 8797 | }; |
| 8798 | |
Jouni Malinen | 2b4303f | 2013-03-19 14:30:49 +0530 | [diff] [blame] | 8799 | void cfg80211_ft_event(struct net_device *netdev, |
| 8800 | struct cfg80211_ft_event_params *ft_event) |
| 8801 | { |
| 8802 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; |
| 8803 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 8804 | struct sk_buff *msg; |
| 8805 | void *hdr; |
| 8806 | int err; |
| 8807 | |
| 8808 | if (!ft_event->target_ap) |
| 8809 | return; |
| 8810 | |
| 8811 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
| 8812 | if (!msg) |
| 8813 | return; |
| 8814 | |
| 8815 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); |
| 8816 | if (!hdr) { |
| 8817 | nlmsg_free(msg); |
| 8818 | return; |
| 8819 | } |
| 8820 | |
| 8821 | nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); |
| 8822 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); |
| 8823 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); |
| 8824 | if (ft_event->ies) |
| 8825 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); |
| 8826 | if (ft_event->ric_ies) |
| 8827 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, |
| 8828 | ft_event->ric_ies); |
| 8829 | |
| 8830 | err = genlmsg_end(msg, hdr); |
| 8831 | if (err < 0) { |
| 8832 | nlmsg_free(msg); |
| 8833 | return; |
| 8834 | } |
| 8835 | |
| 8836 | genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, |
| 8837 | nl80211_mlme_mcgrp.id, GFP_KERNEL); |
| 8838 | } |
| 8839 | EXPORT_SYMBOL(cfg80211_ft_event); |
| 8840 | |
Sameer Thalappil | 80f3d6f | 2013-07-05 14:58:32 -0700 | [diff] [blame] | 8841 | |
| 8842 | void cfg80211_ap_stopped(struct net_device *netdev, gfp_t gfp) |
| 8843 | { |
| 8844 | struct wireless_dev *wdev = netdev->ieee80211_ptr; |
| 8845 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
| 8846 | |
| 8847 | nl80211_send_mlme_event(rdev, netdev, NULL, 0, |
| 8848 | NL80211_CMD_STOP_AP, gfp); |
| 8849 | } |
| 8850 | EXPORT_SYMBOL(cfg80211_ap_stopped); |
| 8851 | |
| 8852 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8853 | /* initialisation/exit functions */ |
| 8854 | |
| 8855 | int nl80211_init(void) |
| 8856 | { |
Michał Mirosław | 0d63cbb | 2009-05-21 10:34:06 +0000 | [diff] [blame] | 8857 | int err; |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8858 | |
Michał Mirosław | 0d63cbb | 2009-05-21 10:34:06 +0000 | [diff] [blame] | 8859 | err = genl_register_family_with_ops(&nl80211_fam, |
| 8860 | nl80211_ops, ARRAY_SIZE(nl80211_ops)); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8861 | if (err) |
| 8862 | return err; |
| 8863 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8864 | err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); |
| 8865 | if (err) |
| 8866 | goto err_out; |
| 8867 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 8868 | err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); |
| 8869 | if (err) |
| 8870 | goto err_out; |
| 8871 | |
Luis R. Rodriguez | 73d54c9 | 2009-03-09 22:07:42 -0400 | [diff] [blame] | 8872 | err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); |
| 8873 | if (err) |
| 8874 | goto err_out; |
| 8875 | |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 8876 | err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); |
| 8877 | if (err) |
| 8878 | goto err_out; |
| 8879 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 8880 | #ifdef CONFIG_NL80211_TESTMODE |
| 8881 | err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); |
| 8882 | if (err) |
| 8883 | goto err_out; |
| 8884 | #endif |
Leo Chang | d87d626 | 2014-01-15 19:52:00 -0800 | [diff] [blame] | 8885 | err = genl_register_mc_group(&nl80211_fam, &nl80211_vendor_mcgrp); |
| 8886 | if (err) |
| 8887 | goto err_out; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 8888 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8889 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
| 8890 | if (err) |
| 8891 | goto err_out; |
| 8892 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8893 | return 0; |
| 8894 | err_out: |
| 8895 | genl_unregister_family(&nl80211_fam); |
| 8896 | return err; |
| 8897 | } |
| 8898 | |
| 8899 | void nl80211_exit(void) |
| 8900 | { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 8901 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 8902 | genl_unregister_family(&nl80211_fam); |
| 8903 | } |