Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 1 | /* |
| 2 | * cfg80211 MLME SAP interface |
| 3 | * |
| 4 | * Copyright (c) 2009, Jouni Malinen <j@w1.fi> |
| 5 | */ |
| 6 | |
| 7 | #include <linux/kernel.h> |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/netdevice.h> |
| 10 | #include <linux/nl80211.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 11 | #include <linux/slab.h> |
Johannes Berg | a9a1162 | 2009-07-27 12:01:53 +0200 | [diff] [blame] | 12 | #include <linux/wireless.h> |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 13 | #include <net/cfg80211.h> |
Johannes Berg | a9a1162 | 2009-07-27 12:01:53 +0200 | [diff] [blame] | 14 | #include <net/iw_handler.h> |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 15 | #include "core.h" |
| 16 | #include "nl80211.h" |
| 17 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 18 | void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 19 | { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 20 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 21 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 22 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 23 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 24 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 25 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 26 | nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); |
| 27 | cfg80211_sme_rx_auth(dev, buf, len); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 28 | |
| 29 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 30 | } |
| 31 | EXPORT_SYMBOL(cfg80211_send_rx_auth); |
| 32 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 33 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, |
| 34 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 35 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 36 | u16 status_code; |
| 37 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 38 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 39 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 40 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
| 41 | u8 *ie = mgmt->u.assoc_resp.variable; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 42 | int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 43 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 44 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 45 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 46 | status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); |
| 47 | |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 48 | /* |
| 49 | * This is a bit of a hack, we don't notify userspace of |
| 50 | * a (re-)association reply if we tried to send a reassoc |
| 51 | * and got a reject -- we only try again with an assoc |
| 52 | * frame instead of reassoc. |
| 53 | */ |
| 54 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 55 | cfg80211_sme_failed_reassoc(wdev)) { |
| 56 | cfg80211_put_bss(bss); |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 57 | goto out; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 58 | } |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 59 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 60 | nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 61 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 62 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 63 | cfg80211_sme_failed_assoc(wdev); |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 64 | /* |
| 65 | * do not call connect_result() now because the |
| 66 | * sme will schedule work that does it later. |
| 67 | */ |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 68 | cfg80211_put_bss(bss); |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 69 | goto out; |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 70 | } |
| 71 | |
Johannes Berg | ea416a7 | 2009-08-17 12:22:14 +0200 | [diff] [blame] | 72 | if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { |
| 73 | /* |
| 74 | * This is for the userspace SME, the CONNECTING |
| 75 | * state will be changed to CONNECTED by |
| 76 | * __cfg80211_connect_result() below. |
| 77 | */ |
| 78 | wdev->sme_state = CFG80211_SME_CONNECTING; |
| 79 | } |
| 80 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 81 | /* this consumes the bss reference */ |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 82 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, |
| 83 | status_code, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 84 | status_code == WLAN_STATUS_SUCCESS, bss); |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 85 | out: |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 86 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 87 | } |
| 88 | EXPORT_SYMBOL(cfg80211_send_rx_assoc); |
| 89 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 90 | void __cfg80211_send_deauth(struct net_device *dev, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 91 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 92 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 93 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 94 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 95 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 96 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 97 | const u8 *bssid = mgmt->bssid; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 98 | bool was_current = false; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 99 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 100 | ASSERT_WDEV_LOCK(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 101 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 102 | if (wdev->current_bss && |
| 103 | memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 104 | cfg80211_unhold_bss(wdev->current_bss); |
| 105 | cfg80211_put_bss(&wdev->current_bss->pub); |
| 106 | wdev->current_bss = NULL; |
Johannes Berg | 3f3b6a8 | 2010-08-05 10:20:27 +0200 | [diff] [blame] | 107 | was_current = true; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 108 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 109 | |
Johannes Berg | 5fba4af | 2009-12-02 12:43:42 +0100 | [diff] [blame] | 110 | nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); |
| 111 | |
Johannes Berg | 3f3b6a8 | 2010-08-05 10:20:27 +0200 | [diff] [blame] | 112 | if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 113 | u16 reason_code; |
| 114 | bool from_ap; |
| 115 | |
| 116 | reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); |
| 117 | |
Johannes Berg | e458b8a | 2009-08-06 20:41:33 +0200 | [diff] [blame] | 118 | from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 119 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 120 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 121 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
| 122 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 123 | false, NULL); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 124 | } |
| 125 | } |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 126 | EXPORT_SYMBOL(__cfg80211_send_deauth); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 127 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 128 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 129 | { |
| 130 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 131 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 132 | wdev_lock(wdev); |
| 133 | __cfg80211_send_deauth(dev, buf, len); |
| 134 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 135 | } |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 136 | EXPORT_SYMBOL(cfg80211_send_deauth); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 137 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 138 | void __cfg80211_send_disassoc(struct net_device *dev, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 139 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 140 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 141 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 142 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 143 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 144 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 145 | const u8 *bssid = mgmt->bssid; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 146 | u16 reason_code; |
| 147 | bool from_ap; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 148 | |
Johannes Berg | 596a07c | 2009-07-11 00:17:32 +0200 | [diff] [blame] | 149 | ASSERT_WDEV_LOCK(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 150 | |
| 151 | nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 152 | |
Johannes Berg | 596a07c | 2009-07-11 00:17:32 +0200 | [diff] [blame] | 153 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
| 154 | return; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 155 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 156 | if (wdev->current_bss && |
Pavel Roskin | b935df0 | 2009-08-06 04:52:42 -0400 | [diff] [blame] | 157 | memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 158 | cfg80211_sme_disassoc(dev, wdev->current_bss); |
| 159 | cfg80211_unhold_bss(wdev->current_bss); |
| 160 | cfg80211_put_bss(&wdev->current_bss->pub); |
| 161 | wdev->current_bss = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 162 | } else |
| 163 | WARN_ON(1); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 164 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 165 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 166 | reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); |
| 167 | |
Johannes Berg | e458b8a | 2009-08-06 20:41:33 +0200 | [diff] [blame] | 168 | from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 169 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 170 | } |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 171 | EXPORT_SYMBOL(__cfg80211_send_disassoc); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 172 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 173 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 174 | { |
| 175 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 176 | |
Holger Schurig | ce470613c | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 177 | wdev_lock(wdev); |
| 178 | __cfg80211_send_disassoc(dev, buf, len); |
| 179 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 180 | } |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 181 | EXPORT_SYMBOL(cfg80211_send_disassoc); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 182 | |
Jouni Malinen | cf4e594 | 2010-12-16 00:52:40 +0200 | [diff] [blame] | 183 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
| 184 | size_t len) |
| 185 | { |
| 186 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 187 | struct wiphy *wiphy = wdev->wiphy; |
| 188 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 189 | |
| 190 | nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); |
| 191 | } |
| 192 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); |
| 193 | |
| 194 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, |
| 195 | size_t len) |
| 196 | { |
| 197 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 198 | struct wiphy *wiphy = wdev->wiphy; |
| 199 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 200 | |
| 201 | nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); |
| 202 | } |
| 203 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); |
| 204 | |
Johannes Berg | a58ce43 | 2009-11-19 12:45:42 +0100 | [diff] [blame] | 205 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) |
| 206 | { |
| 207 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 208 | struct wiphy *wiphy = wdev->wiphy; |
| 209 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 210 | |
| 211 | wdev_lock(wdev); |
| 212 | |
| 213 | nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); |
| 214 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
| 215 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
| 216 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 217 | false, NULL); |
| 218 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 219 | wdev_unlock(wdev); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 220 | } |
| 221 | EXPORT_SYMBOL(cfg80211_send_auth_timeout); |
| 222 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 223 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 224 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 225 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 226 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 227 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 228 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 229 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 230 | |
| 231 | nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 232 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 233 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
| 234 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 235 | false, NULL); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 236 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 237 | wdev_unlock(wdev); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 238 | } |
| 239 | EXPORT_SYMBOL(cfg80211_send_assoc_timeout); |
| 240 | |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 241 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, |
| 242 | enum nl80211_key_type key_type, int key_id, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 243 | const u8 *tsc, gfp_t gfp) |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 244 | { |
| 245 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 246 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 3d23e34 | 2009-09-29 23:27:28 +0200 | [diff] [blame] | 247 | #ifdef CONFIG_CFG80211_WEXT |
Johannes Berg | f58d4ed | 2009-06-19 02:45:21 +0200 | [diff] [blame] | 248 | union iwreq_data wrqu; |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 249 | char *buf = kmalloc(128, gfp); |
Johannes Berg | f58d4ed | 2009-06-19 02:45:21 +0200 | [diff] [blame] | 250 | |
| 251 | if (buf) { |
| 252 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" |
| 253 | "keyid=%d %scast addr=%pM)", key_id, |
| 254 | key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", |
| 255 | addr); |
| 256 | memset(&wrqu, 0, sizeof(wrqu)); |
| 257 | wrqu.data.length = strlen(buf); |
| 258 | wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); |
| 259 | kfree(buf); |
| 260 | } |
| 261 | #endif |
| 262 | |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 263 | nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 264 | } |
| 265 | EXPORT_SYMBOL(cfg80211_michael_mic_failure); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 266 | |
| 267 | /* some MLME handling for userspace SME */ |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 268 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
| 269 | struct net_device *dev, |
| 270 | struct ieee80211_channel *chan, |
| 271 | enum nl80211_auth_type auth_type, |
| 272 | const u8 *bssid, |
| 273 | const u8 *ssid, int ssid_len, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 274 | const u8 *ie, int ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 275 | const u8 *key, int key_len, int key_idx) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 276 | { |
| 277 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 278 | struct cfg80211_auth_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 279 | int err; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 280 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 281 | ASSERT_WDEV_LOCK(wdev); |
| 282 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 283 | if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
| 284 | if (!key || !key_len || key_idx < 0 || key_idx > 4) |
| 285 | return -EINVAL; |
| 286 | |
Johannes Berg | 0a9b5e1 | 2009-07-02 18:26:18 +0200 | [diff] [blame] | 287 | if (wdev->current_bss && |
| 288 | memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0) |
| 289 | return -EALREADY; |
| 290 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 291 | memset(&req, 0, sizeof(req)); |
| 292 | |
| 293 | req.ie = ie; |
| 294 | req.ie_len = ie_len; |
| 295 | req.auth_type = auth_type; |
| 296 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
| 297 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 298 | req.key = key; |
| 299 | req.key_len = key_len; |
| 300 | req.key_idx = key_idx; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 301 | if (!req.bss) |
| 302 | return -ENOENT; |
| 303 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 304 | err = rdev->ops->auth(&rdev->wiphy, dev, &req); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 305 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 306 | cfg80211_put_bss(req.bss); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 307 | return err; |
| 308 | } |
| 309 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 310 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
| 311 | struct net_device *dev, struct ieee80211_channel *chan, |
| 312 | enum nl80211_auth_type auth_type, const u8 *bssid, |
| 313 | const u8 *ssid, int ssid_len, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 314 | const u8 *ie, int ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 315 | const u8 *key, int key_len, int key_idx) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 316 | { |
| 317 | int err; |
| 318 | |
| 319 | wdev_lock(dev->ieee80211_ptr); |
| 320 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 321 | ssid, ssid_len, ie, ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 322 | key, key_len, key_idx); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 323 | wdev_unlock(dev->ieee80211_ptr); |
| 324 | |
| 325 | return err; |
| 326 | } |
| 327 | |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 328 | /* Do a logical ht_capa &= ht_capa_mask. */ |
| 329 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
| 330 | const struct ieee80211_ht_cap *ht_capa_mask) |
| 331 | { |
| 332 | int i; |
| 333 | u8 *p1, *p2; |
| 334 | if (!ht_capa_mask) { |
| 335 | memset(ht_capa, 0, sizeof(*ht_capa)); |
| 336 | return; |
| 337 | } |
| 338 | |
| 339 | p1 = (u8*)(ht_capa); |
| 340 | p2 = (u8*)(ht_capa_mask); |
| 341 | for (i = 0; i<sizeof(*ht_capa); i++) |
| 342 | p1[i] &= p2[i]; |
| 343 | } |
| 344 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 345 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
| 346 | struct net_device *dev, |
| 347 | struct ieee80211_channel *chan, |
| 348 | const u8 *bssid, const u8 *prev_bssid, |
| 349 | const u8 *ssid, int ssid_len, |
| 350 | const u8 *ie, int ie_len, bool use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 351 | struct cfg80211_crypto_settings *crypt, |
| 352 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 353 | struct ieee80211_ht_cap *ht_capa_mask) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 354 | { |
| 355 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 356 | struct cfg80211_assoc_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 357 | int err; |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 358 | bool was_connected = false; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 359 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 360 | ASSERT_WDEV_LOCK(wdev); |
| 361 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 362 | memset(&req, 0, sizeof(req)); |
| 363 | |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 364 | if (wdev->current_bss && prev_bssid && |
| 365 | memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) { |
| 366 | /* |
| 367 | * Trying to reassociate: Allow this to proceed and let the old |
| 368 | * association to be dropped when the new one is completed. |
| 369 | */ |
| 370 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { |
| 371 | was_connected = true; |
| 372 | wdev->sme_state = CFG80211_SME_CONNECTING; |
| 373 | } |
| 374 | } else if (wdev->current_bss) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 375 | return -EALREADY; |
| 376 | |
| 377 | req.ie = ie; |
| 378 | req.ie_len = ie_len; |
| 379 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); |
| 380 | req.use_mfp = use_mfp; |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 381 | req.prev_bssid = prev_bssid; |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 382 | req.flags = assoc_flags; |
| 383 | if (ht_capa) |
| 384 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); |
| 385 | if (ht_capa_mask) |
| 386 | memcpy(&req.ht_capa_mask, ht_capa_mask, |
| 387 | sizeof(req.ht_capa_mask)); |
| 388 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, |
| 389 | rdev->wiphy.ht_capa_mod_mask); |
| 390 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 391 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
| 392 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 393 | if (!req.bss) { |
| 394 | if (was_connected) |
| 395 | wdev->sme_state = CFG80211_SME_CONNECTED; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 396 | return -ENOENT; |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 397 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 398 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 399 | err = rdev->ops->assoc(&rdev->wiphy, dev, &req); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 400 | |
| 401 | if (err) { |
| 402 | if (was_connected) |
| 403 | wdev->sme_state = CFG80211_SME_CONNECTED; |
| 404 | cfg80211_put_bss(req.bss); |
| 405 | } |
| 406 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 407 | return err; |
| 408 | } |
| 409 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 410 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
| 411 | struct net_device *dev, |
| 412 | struct ieee80211_channel *chan, |
| 413 | const u8 *bssid, const u8 *prev_bssid, |
| 414 | const u8 *ssid, int ssid_len, |
| 415 | const u8 *ie, int ie_len, bool use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 416 | struct cfg80211_crypto_settings *crypt, |
| 417 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 418 | struct ieee80211_ht_cap *ht_capa_mask) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 419 | { |
| 420 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 421 | int err; |
| 422 | |
| 423 | wdev_lock(wdev); |
| 424 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 425 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
| 426 | assoc_flags, ht_capa, ht_capa_mask); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 427 | wdev_unlock(wdev); |
| 428 | |
| 429 | return err; |
| 430 | } |
| 431 | |
| 432 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 433 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 434 | const u8 *ie, int ie_len, u16 reason, |
| 435 | bool local_state_change) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 436 | { |
| 437 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 438 | struct cfg80211_deauth_request req = { |
| 439 | .bssid = bssid, |
| 440 | .reason_code = reason, |
| 441 | .ie = ie, |
| 442 | .ie_len = ie_len, |
| 443 | }; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 444 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 445 | ASSERT_WDEV_LOCK(wdev); |
| 446 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 447 | if (local_state_change) { |
| 448 | if (wdev->current_bss && |
| 449 | memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { |
| 450 | cfg80211_unhold_bss(wdev->current_bss); |
| 451 | cfg80211_put_bss(&wdev->current_bss->pub); |
| 452 | wdev->current_bss = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 453 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 454 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 455 | return 0; |
| 456 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 457 | |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 458 | return rdev->ops->deauth(&rdev->wiphy, dev, &req); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 459 | } |
| 460 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 461 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 462 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 463 | const u8 *ie, int ie_len, u16 reason, |
| 464 | bool local_state_change) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 465 | { |
| 466 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 467 | int err; |
| 468 | |
| 469 | wdev_lock(wdev); |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 470 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
| 471 | local_state_change); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 472 | wdev_unlock(wdev); |
| 473 | |
| 474 | return err; |
| 475 | } |
| 476 | |
| 477 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 478 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 479 | const u8 *ie, int ie_len, u16 reason, |
| 480 | bool local_state_change) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 481 | { |
| 482 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 483 | struct cfg80211_disassoc_request req; |
| 484 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 485 | ASSERT_WDEV_LOCK(wdev); |
| 486 | |
Johannes Berg | f9d6b40 | 2009-07-27 10:22:28 +0200 | [diff] [blame] | 487 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
| 488 | return -ENOTCONN; |
| 489 | |
| 490 | if (WARN_ON(!wdev->current_bss)) |
| 491 | return -ENOTCONN; |
| 492 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 493 | memset(&req, 0, sizeof(req)); |
| 494 | req.reason_code = reason; |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 495 | req.local_state_change = local_state_change; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 496 | req.ie = ie; |
| 497 | req.ie_len = ie_len; |
| 498 | if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) |
| 499 | req.bss = &wdev->current_bss->pub; |
| 500 | else |
| 501 | return -ENOTCONN; |
| 502 | |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 503 | return rdev->ops->disassoc(&rdev->wiphy, dev, &req); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 507 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 508 | const u8 *ie, int ie_len, u16 reason, |
| 509 | bool local_state_change) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 510 | { |
| 511 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 512 | int err; |
| 513 | |
| 514 | wdev_lock(wdev); |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 515 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
| 516 | local_state_change); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 517 | wdev_unlock(wdev); |
| 518 | |
| 519 | return err; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
| 523 | struct net_device *dev) |
| 524 | { |
| 525 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 526 | struct cfg80211_deauth_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 527 | u8 bssid[ETH_ALEN]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 528 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 529 | ASSERT_WDEV_LOCK(wdev); |
| 530 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 531 | if (!rdev->ops->deauth) |
| 532 | return; |
| 533 | |
| 534 | memset(&req, 0, sizeof(req)); |
| 535 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; |
| 536 | req.ie = NULL; |
| 537 | req.ie_len = 0; |
| 538 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 539 | if (!wdev->current_bss) |
| 540 | return; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 541 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 542 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
| 543 | req.bssid = bssid; |
Johannes Berg | 63c9c5e | 2012-02-24 13:50:51 +0100 | [diff] [blame] | 544 | rdev->ops->deauth(&rdev->wiphy, dev, &req); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 545 | |
| 546 | if (wdev->current_bss) { |
| 547 | cfg80211_unhold_bss(wdev->current_bss); |
| 548 | cfg80211_put_bss(&wdev->current_bss->pub); |
| 549 | wdev->current_bss = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 550 | } |
| 551 | } |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 552 | |
| 553 | void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie, |
| 554 | struct ieee80211_channel *chan, |
| 555 | enum nl80211_channel_type channel_type, |
| 556 | unsigned int duration, gfp_t gfp) |
| 557 | { |
| 558 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 559 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 560 | |
| 561 | nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type, |
| 562 | duration, gfp); |
| 563 | } |
| 564 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
| 565 | |
| 566 | void cfg80211_remain_on_channel_expired(struct net_device *dev, |
| 567 | u64 cookie, |
| 568 | struct ieee80211_channel *chan, |
| 569 | enum nl80211_channel_type channel_type, |
| 570 | gfp_t gfp) |
| 571 | { |
| 572 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 573 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 574 | |
| 575 | nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan, |
| 576 | channel_type, gfp); |
| 577 | } |
| 578 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 579 | |
| 580 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
| 581 | struct station_info *sinfo, gfp_t gfp) |
| 582 | { |
| 583 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 584 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 585 | |
| 586 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); |
| 587 | } |
| 588 | EXPORT_SYMBOL(cfg80211_new_sta); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 589 | |
Jouni Malinen | ec15e68 | 2011-03-23 15:29:52 +0200 | [diff] [blame] | 590 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
| 591 | { |
| 592 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 593 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 594 | |
| 595 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); |
| 596 | } |
| 597 | EXPORT_SYMBOL(cfg80211_del_sta); |
| 598 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 599 | struct cfg80211_mgmt_registration { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 600 | struct list_head list; |
| 601 | |
| 602 | u32 nlpid; |
| 603 | |
| 604 | int match_len; |
| 605 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 606 | __le16 frame_type; |
| 607 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 608 | u8 match[]; |
| 609 | }; |
| 610 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 611 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
| 612 | u16 frame_type, const u8 *match_data, |
| 613 | int match_len) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 614 | { |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 615 | struct wiphy *wiphy = wdev->wiphy; |
| 616 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 617 | struct cfg80211_mgmt_registration *reg, *nreg; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 618 | int err = 0; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 619 | u16 mgmt_type; |
| 620 | |
| 621 | if (!wdev->wiphy->mgmt_stypes) |
| 622 | return -EOPNOTSUPP; |
| 623 | |
| 624 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) |
| 625 | return -EINVAL; |
| 626 | |
| 627 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) |
| 628 | return -EINVAL; |
| 629 | |
| 630 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; |
| 631 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) |
| 632 | return -EINVAL; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 633 | |
| 634 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); |
| 635 | if (!nreg) |
| 636 | return -ENOMEM; |
| 637 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 638 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 639 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 640 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 641 | int mlen = min(match_len, reg->match_len); |
| 642 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 643 | if (frame_type != le16_to_cpu(reg->frame_type)) |
| 644 | continue; |
| 645 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 646 | if (memcmp(reg->match, match_data, mlen) == 0) { |
| 647 | err = -EALREADY; |
| 648 | break; |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | if (err) { |
| 653 | kfree(nreg); |
| 654 | goto out; |
| 655 | } |
| 656 | |
| 657 | memcpy(nreg->match, match_data, match_len); |
| 658 | nreg->match_len = match_len; |
| 659 | nreg->nlpid = snd_pid; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 660 | nreg->frame_type = cpu_to_le16(frame_type); |
| 661 | list_add(&nreg->list, &wdev->mgmt_registrations); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 662 | |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 663 | if (rdev->ops->mgmt_frame_register) |
| 664 | rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, |
| 665 | frame_type, true); |
| 666 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 667 | out: |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 668 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 669 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 670 | return err; |
| 671 | } |
| 672 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 673 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 674 | { |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 675 | struct wiphy *wiphy = wdev->wiphy; |
| 676 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 677 | struct cfg80211_mgmt_registration *reg, *tmp; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 678 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 679 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 680 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 681 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 682 | if (reg->nlpid != nlpid) |
| 683 | continue; |
| 684 | |
| 685 | if (rdev->ops->mgmt_frame_register) { |
| 686 | u16 frame_type = le16_to_cpu(reg->frame_type); |
| 687 | |
| 688 | rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, |
| 689 | frame_type, false); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 690 | } |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 691 | |
| 692 | list_del(®->list); |
| 693 | kfree(reg); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 694 | } |
| 695 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 696 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 697 | |
| 698 | if (nlpid == wdev->ap_unexpected_nlpid) |
| 699 | wdev->ap_unexpected_nlpid = 0; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 700 | } |
| 701 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 702 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 703 | { |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 704 | struct cfg80211_mgmt_registration *reg, *tmp; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 705 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 706 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 707 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 708 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 709 | list_del(®->list); |
| 710 | kfree(reg); |
| 711 | } |
| 712 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 713 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 714 | } |
| 715 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 716 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
| 717 | struct net_device *dev, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 718 | struct ieee80211_channel *chan, bool offchan, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 719 | enum nl80211_channel_type channel_type, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 720 | bool channel_type_valid, unsigned int wait, |
Rajkumar Manoharan | e9f935e | 2011-09-25 14:53:30 +0530 | [diff] [blame] | 721 | const u8 *buf, size_t len, bool no_cck, |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 722 | bool dont_wait_for_ack, u64 *cookie) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 723 | { |
| 724 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 725 | const struct ieee80211_mgmt *mgmt; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 726 | u16 stype; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 727 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 728 | if (!wdev->wiphy->mgmt_stypes) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 729 | return -EOPNOTSUPP; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 730 | |
| 731 | if (!rdev->ops->mgmt_tx) |
| 732 | return -EOPNOTSUPP; |
| 733 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 734 | if (len < 24 + 1) |
| 735 | return -EINVAL; |
| 736 | |
| 737 | mgmt = (const struct ieee80211_mgmt *) buf; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 738 | |
| 739 | if (!ieee80211_is_mgmt(mgmt->frame_control)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 740 | return -EINVAL; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 741 | |
| 742 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; |
| 743 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) |
| 744 | return -EINVAL; |
| 745 | |
| 746 | if (ieee80211_is_action(mgmt->frame_control) && |
| 747 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 748 | int err = 0; |
| 749 | |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 750 | wdev_lock(wdev); |
| 751 | |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 752 | switch (wdev->iftype) { |
| 753 | case NL80211_IFTYPE_ADHOC: |
| 754 | case NL80211_IFTYPE_STATION: |
| 755 | case NL80211_IFTYPE_P2P_CLIENT: |
| 756 | if (!wdev->current_bss) { |
| 757 | err = -ENOTCONN; |
| 758 | break; |
| 759 | } |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 760 | |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 761 | if (memcmp(wdev->current_bss->pub.bssid, |
| 762 | mgmt->bssid, ETH_ALEN)) { |
| 763 | err = -ENOTCONN; |
| 764 | break; |
| 765 | } |
| 766 | |
| 767 | /* |
| 768 | * check for IBSS DA must be done by driver as |
| 769 | * cfg80211 doesn't track the stations |
| 770 | */ |
| 771 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) |
| 772 | break; |
| 773 | |
| 774 | /* for station, check that DA is the AP */ |
| 775 | if (memcmp(wdev->current_bss->pub.bssid, |
| 776 | mgmt->da, ETH_ALEN)) { |
| 777 | err = -ENOTCONN; |
| 778 | break; |
| 779 | } |
| 780 | break; |
| 781 | case NL80211_IFTYPE_AP: |
| 782 | case NL80211_IFTYPE_P2P_GO: |
| 783 | case NL80211_IFTYPE_AP_VLAN: |
| 784 | if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN)) |
| 785 | err = -EINVAL; |
| 786 | break; |
Javier Cardona | 0778a6a | 2011-05-03 16:57:08 -0700 | [diff] [blame] | 787 | case NL80211_IFTYPE_MESH_POINT: |
| 788 | if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) { |
| 789 | err = -EINVAL; |
| 790 | break; |
| 791 | } |
| 792 | /* |
| 793 | * check for mesh DA must be done by driver as |
| 794 | * cfg80211 doesn't track the stations |
| 795 | */ |
| 796 | break; |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 797 | default: |
| 798 | err = -EOPNOTSUPP; |
| 799 | break; |
| 800 | } |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 801 | wdev_unlock(wdev); |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 802 | |
| 803 | if (err) |
| 804 | return err; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0) |
| 808 | return -EINVAL; |
| 809 | |
| 810 | /* Transmit the Action frame as requested by user space */ |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 811 | return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan, |
| 812 | channel_type, channel_type_valid, |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 813 | wait, buf, len, no_cck, dont_wait_for_ack, |
| 814 | cookie); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 815 | } |
| 816 | |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame^] | 817 | bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm, |
| 818 | const u8 *buf, size_t len, gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 819 | { |
| 820 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 821 | struct wiphy *wiphy = wdev->wiphy; |
| 822 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 823 | struct cfg80211_mgmt_registration *reg; |
| 824 | const struct ieee80211_txrx_stypes *stypes = |
| 825 | &wiphy->mgmt_stypes[wdev->iftype]; |
| 826 | struct ieee80211_mgmt *mgmt = (void *)buf; |
| 827 | const u8 *data; |
| 828 | int data_len; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 829 | bool result = false; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 830 | __le16 ftype = mgmt->frame_control & |
| 831 | cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); |
| 832 | u16 stype; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 833 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 834 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 835 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 836 | if (!(stypes->rx & BIT(stype))) |
| 837 | return false; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 838 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 839 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
| 840 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 841 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 842 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
| 843 | |
| 844 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
| 845 | if (reg->frame_type != ftype) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 846 | continue; |
| 847 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 848 | if (reg->match_len > data_len) |
| 849 | continue; |
| 850 | |
| 851 | if (memcmp(reg->match, data, reg->match_len)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 852 | continue; |
| 853 | |
| 854 | /* found match! */ |
| 855 | |
| 856 | /* Indicate the received Action frame to user space */ |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame^] | 857 | if (nl80211_send_mgmt(rdev, dev, reg->nlpid, |
| 858 | freq, sig_mbm, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 859 | buf, len, gfp)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 860 | continue; |
| 861 | |
| 862 | result = true; |
| 863 | break; |
| 864 | } |
| 865 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 866 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 867 | |
| 868 | return result; |
| 869 | } |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 870 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 871 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 872 | void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, |
| 873 | const u8 *buf, size_t len, bool ack, gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 874 | { |
| 875 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 876 | struct wiphy *wiphy = wdev->wiphy; |
| 877 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 878 | |
| 879 | /* Indicate TX status of the Action frame to user space */ |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 880 | nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 881 | } |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 882 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 883 | |
| 884 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
| 885 | enum nl80211_cqm_rssi_threshold_event rssi_event, |
| 886 | gfp_t gfp) |
| 887 | { |
| 888 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 889 | struct wiphy *wiphy = wdev->wiphy; |
| 890 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 891 | |
| 892 | /* Indicate roaming trigger event to user space */ |
| 893 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); |
| 894 | } |
| 895 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
Johannes Berg | c063dbf | 2010-11-24 08:10:05 +0100 | [diff] [blame] | 896 | |
| 897 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
| 898 | const u8 *peer, u32 num_packets, gfp_t gfp) |
| 899 | { |
| 900 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 901 | struct wiphy *wiphy = wdev->wiphy; |
| 902 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 903 | |
| 904 | /* Indicate roaming trigger event to user space */ |
| 905 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); |
| 906 | } |
| 907 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 908 | |
| 909 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
| 910 | const u8 *replay_ctr, gfp_t gfp) |
| 911 | { |
| 912 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 913 | struct wiphy *wiphy = wdev->wiphy; |
| 914 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 915 | |
| 916 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); |
| 917 | } |
| 918 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); |
Jouni Malinen | c9df56b | 2011-09-16 18:56:23 +0300 | [diff] [blame] | 919 | |
| 920 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
| 921 | const u8 *bssid, bool preauth, gfp_t gfp) |
| 922 | { |
| 923 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 924 | struct wiphy *wiphy = wdev->wiphy; |
| 925 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 926 | |
| 927 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); |
| 928 | } |
| 929 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 930 | |
| 931 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
| 932 | const u8 *addr, gfp_t gfp) |
| 933 | { |
| 934 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 935 | |
| 936 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && |
| 937 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) |
| 938 | return false; |
| 939 | |
| 940 | return nl80211_unexpected_frame(dev, addr, gfp); |
| 941 | } |
| 942 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
Johannes Berg | b92ab5d | 2011-11-04 11:18:19 +0100 | [diff] [blame] | 943 | |
| 944 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
| 945 | const u8 *addr, gfp_t gfp) |
| 946 | { |
| 947 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 948 | |
| 949 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && |
| 950 | wdev->iftype != NL80211_IFTYPE_P2P_GO && |
| 951 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) |
| 952 | return false; |
| 953 | |
| 954 | return nl80211_unexpected_4addr_frame(dev, addr, gfp); |
| 955 | } |
| 956 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |