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> |
Felix Fietkau | c6fb08a | 2012-03-18 22:58:04 +0100 | [diff] [blame] | 9 | #include <linux/etherdevice.h> |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 10 | #include <linux/netdevice.h> |
| 11 | #include <linux/nl80211.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 12 | #include <linux/slab.h> |
Johannes Berg | a9a1162 | 2009-07-27 12:01:53 +0200 | [diff] [blame] | 13 | #include <linux/wireless.h> |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 14 | #include <net/cfg80211.h> |
Johannes Berg | a9a1162 | 2009-07-27 12:01:53 +0200 | [diff] [blame] | 15 | #include <net/iw_handler.h> |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 16 | #include "core.h" |
| 17 | #include "nl80211.h" |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 18 | #include "rdev-ops.h" |
| 19 | |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 20 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 21 | 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] | 22 | { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 23 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 24 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 25 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 26 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 27 | trace_cfg80211_send_rx_auth(dev); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 28 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 29 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 30 | nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); |
| 31 | cfg80211_sme_rx_auth(dev, buf, len); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 32 | |
| 33 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 34 | } |
| 35 | EXPORT_SYMBOL(cfg80211_send_rx_auth); |
| 36 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 37 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, |
| 38 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 39 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 40 | u16 status_code; |
| 41 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 42 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 43 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 44 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
| 45 | u8 *ie = mgmt->u.assoc_resp.variable; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 46 | int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 47 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 48 | trace_cfg80211_send_rx_assoc(dev, bss); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 49 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 50 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 51 | status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); |
| 52 | |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 53 | /* |
| 54 | * This is a bit of a hack, we don't notify userspace of |
| 55 | * a (re-)association reply if we tried to send a reassoc |
| 56 | * and got a reject -- we only try again with an assoc |
| 57 | * frame instead of reassoc. |
| 58 | */ |
| 59 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 60 | cfg80211_sme_failed_reassoc(wdev)) { |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 61 | cfg80211_put_bss(wiphy, bss); |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 62 | goto out; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 63 | } |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 64 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 65 | nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 66 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 67 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 68 | cfg80211_sme_failed_assoc(wdev); |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 69 | /* |
| 70 | * do not call connect_result() now because the |
| 71 | * sme will schedule work that does it later. |
| 72 | */ |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 73 | cfg80211_put_bss(wiphy, bss); |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 74 | goto out; |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 75 | } |
| 76 | |
Johannes Berg | ea416a7 | 2009-08-17 12:22:14 +0200 | [diff] [blame] | 77 | if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { |
| 78 | /* |
| 79 | * This is for the userspace SME, the CONNECTING |
| 80 | * state will be changed to CONNECTED by |
| 81 | * __cfg80211_connect_result() below. |
| 82 | */ |
| 83 | wdev->sme_state = CFG80211_SME_CONNECTING; |
| 84 | } |
| 85 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 86 | /* this consumes the bss reference */ |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 87 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, |
| 88 | status_code, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 89 | status_code == WLAN_STATUS_SUCCESS, bss); |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 90 | out: |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 91 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 92 | } |
| 93 | EXPORT_SYMBOL(cfg80211_send_rx_assoc); |
| 94 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 95 | void __cfg80211_send_deauth(struct net_device *dev, |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 96 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 97 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 98 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 99 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 100 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 101 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 102 | const u8 *bssid = mgmt->bssid; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 103 | bool was_current = false; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 104 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 105 | trace___cfg80211_send_deauth(dev); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 106 | ASSERT_WDEV_LOCK(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 107 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 108 | if (wdev->current_bss && |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 109 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 110 | cfg80211_unhold_bss(wdev->current_bss); |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 111 | cfg80211_put_bss(wiphy, &wdev->current_bss->pub); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 112 | wdev->current_bss = NULL; |
Johannes Berg | 3f3b6a8 | 2010-08-05 10:20:27 +0200 | [diff] [blame] | 113 | was_current = true; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 114 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 115 | |
Johannes Berg | 5fba4af | 2009-12-02 12:43:42 +0100 | [diff] [blame] | 116 | nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); |
| 117 | |
Johannes Berg | 3f3b6a8 | 2010-08-05 10:20:27 +0200 | [diff] [blame] | 118 | if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 119 | u16 reason_code; |
| 120 | bool from_ap; |
| 121 | |
| 122 | reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); |
| 123 | |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 124 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 125 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 126 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 127 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
| 128 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 129 | false, NULL); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 130 | } |
| 131 | } |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 132 | EXPORT_SYMBOL(__cfg80211_send_deauth); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 133 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 134 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 135 | { |
| 136 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 137 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 138 | wdev_lock(wdev); |
| 139 | __cfg80211_send_deauth(dev, buf, len); |
| 140 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 141 | } |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 142 | EXPORT_SYMBOL(cfg80211_send_deauth); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 143 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 144 | void __cfg80211_send_disassoc(struct net_device *dev, |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 145 | const u8 *buf, size_t len) |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 146 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 147 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 148 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 149 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 150 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 151 | const u8 *bssid = mgmt->bssid; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 152 | u16 reason_code; |
| 153 | bool from_ap; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 154 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 155 | trace___cfg80211_send_disassoc(dev); |
Johannes Berg | 596a07c | 2009-07-11 00:17:32 +0200 | [diff] [blame] | 156 | ASSERT_WDEV_LOCK(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 157 | |
| 158 | nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 159 | |
Johannes Berg | 596a07c | 2009-07-11 00:17:32 +0200 | [diff] [blame] | 160 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
| 161 | return; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 162 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 163 | if (wdev->current_bss && |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 164 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 165 | cfg80211_sme_disassoc(dev, wdev->current_bss); |
| 166 | cfg80211_unhold_bss(wdev->current_bss); |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 167 | cfg80211_put_bss(wiphy, &wdev->current_bss->pub); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 168 | wdev->current_bss = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 169 | } else |
| 170 | WARN_ON(1); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 171 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 172 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 173 | reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); |
| 174 | |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 175 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 176 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 177 | } |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 178 | EXPORT_SYMBOL(__cfg80211_send_disassoc); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 179 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 180 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 181 | { |
| 182 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 183 | |
Holger Schurig | ce47061 | 2009-10-13 13:28:13 +0200 | [diff] [blame] | 184 | wdev_lock(wdev); |
| 185 | __cfg80211_send_disassoc(dev, buf, len); |
| 186 | wdev_unlock(wdev); |
Jouni Malinen | 6039f6d | 2009-03-19 13:39:21 +0200 | [diff] [blame] | 187 | } |
Jouni Malinen | 53b46b8 | 2009-03-27 20:53:56 +0200 | [diff] [blame] | 188 | EXPORT_SYMBOL(cfg80211_send_disassoc); |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 189 | |
Jouni Malinen | cf4e594 | 2010-12-16 00:52:40 +0200 | [diff] [blame] | 190 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
| 191 | size_t len) |
| 192 | { |
| 193 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 194 | struct wiphy *wiphy = wdev->wiphy; |
| 195 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 196 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 197 | trace_cfg80211_send_unprot_deauth(dev); |
Jouni Malinen | cf4e594 | 2010-12-16 00:52:40 +0200 | [diff] [blame] | 198 | nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); |
| 199 | } |
| 200 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); |
| 201 | |
| 202 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, |
| 203 | size_t len) |
| 204 | { |
| 205 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 206 | struct wiphy *wiphy = wdev->wiphy; |
| 207 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 208 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 209 | trace_cfg80211_send_unprot_disassoc(dev); |
Jouni Malinen | cf4e594 | 2010-12-16 00:52:40 +0200 | [diff] [blame] | 210 | nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); |
| 211 | } |
| 212 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); |
| 213 | |
Johannes Berg | a58ce43 | 2009-11-19 12:45:42 +0100 | [diff] [blame] | 214 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) |
| 215 | { |
| 216 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 217 | struct wiphy *wiphy = wdev->wiphy; |
| 218 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 219 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 220 | trace_cfg80211_send_auth_timeout(dev, addr); |
Johannes Berg | a58ce43 | 2009-11-19 12:45:42 +0100 | [diff] [blame] | 221 | wdev_lock(wdev); |
| 222 | |
| 223 | nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); |
| 224 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
| 225 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
| 226 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
| 227 | false, NULL); |
| 228 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 229 | wdev_unlock(wdev); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 230 | } |
| 231 | EXPORT_SYMBOL(cfg80211_send_auth_timeout); |
| 232 | |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 233 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 234 | { |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 235 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 236 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 237 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 238 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 239 | trace_cfg80211_send_assoc_timeout(dev, addr); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 240 | wdev_lock(wdev); |
Johannes Berg | cb0b4be | 2009-07-07 03:56:07 +0200 | [diff] [blame] | 241 | |
| 242 | nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 243 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 244 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
| 245 | WLAN_STATUS_UNSPECIFIED_FAILURE, |
Johannes Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 246 | false, NULL); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 247 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 248 | wdev_unlock(wdev); |
Jouni Malinen | 1965c85 | 2009-04-22 21:38:25 +0300 | [diff] [blame] | 249 | } |
| 250 | EXPORT_SYMBOL(cfg80211_send_assoc_timeout); |
| 251 | |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 252 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, |
| 253 | enum nl80211_key_type key_type, int key_id, |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 254 | const u8 *tsc, gfp_t gfp) |
Jouni Malinen | a3b8b05 | 2009-03-27 21:59:49 +0200 | [diff] [blame] | 255 | { |
| 256 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 257 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 3d23e34 | 2009-09-29 23:27:28 +0200 | [diff] [blame] | 258 | #ifdef CONFIG_CFG80211_WEXT |
Johannes Berg | f58d4ed | 2009-06-19 02:45:21 +0200 | [diff] [blame] | 259 | union iwreq_data wrqu; |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 260 | char *buf = kmalloc(128, gfp); |
Johannes Berg | f58d4ed | 2009-06-19 02:45:21 +0200 | [diff] [blame] | 261 | |
| 262 | if (buf) { |
| 263 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" |
| 264 | "keyid=%d %scast addr=%pM)", key_id, |
| 265 | key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", |
| 266 | addr); |
| 267 | memset(&wrqu, 0, sizeof(wrqu)); |
| 268 | wrqu.data.length = strlen(buf); |
| 269 | wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); |
| 270 | kfree(buf); |
| 271 | } |
| 272 | #endif |
| 273 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 274 | trace_cfg80211_michael_mic_failure(dev, addr, key_type, key_id, tsc); |
Johannes Berg | e6d6e34 | 2009-07-01 21:26:47 +0200 | [diff] [blame] | 275 | 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] | 276 | } |
| 277 | EXPORT_SYMBOL(cfg80211_michael_mic_failure); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 278 | |
| 279 | /* some MLME handling for userspace SME */ |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 280 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
| 281 | struct net_device *dev, |
| 282 | struct ieee80211_channel *chan, |
| 283 | enum nl80211_auth_type auth_type, |
| 284 | const u8 *bssid, |
| 285 | const u8 *ssid, int ssid_len, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 286 | const u8 *ie, int ie_len, |
Jouni Malinen | e39e5b5 | 2012-09-30 19:29:39 +0300 | [diff] [blame] | 287 | const u8 *key, int key_len, int key_idx, |
| 288 | const u8 *sae_data, int sae_data_len) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 289 | { |
| 290 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 291 | struct cfg80211_auth_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 292 | int err; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 293 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 294 | ASSERT_WDEV_LOCK(wdev); |
| 295 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 296 | if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
| 297 | if (!key || !key_len || key_idx < 0 || key_idx > 4) |
| 298 | return -EINVAL; |
| 299 | |
Johannes Berg | 0a9b5e1 | 2009-07-02 18:26:18 +0200 | [diff] [blame] | 300 | if (wdev->current_bss && |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 301 | ether_addr_equal(bssid, wdev->current_bss->pub.bssid)) |
Johannes Berg | 0a9b5e1 | 2009-07-02 18:26:18 +0200 | [diff] [blame] | 302 | return -EALREADY; |
| 303 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 304 | memset(&req, 0, sizeof(req)); |
| 305 | |
| 306 | req.ie = ie; |
| 307 | req.ie_len = ie_len; |
Jouni Malinen | e39e5b5 | 2012-09-30 19:29:39 +0300 | [diff] [blame] | 308 | req.sae_data = sae_data; |
| 309 | req.sae_data_len = sae_data_len; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 310 | req.auth_type = auth_type; |
| 311 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
| 312 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 313 | req.key = key; |
| 314 | req.key_len = key_len; |
| 315 | req.key_idx = key_idx; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 316 | if (!req.bss) |
| 317 | return -ENOENT; |
| 318 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 319 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
| 320 | CHAN_MODE_SHARED); |
| 321 | if (err) |
| 322 | goto out; |
| 323 | |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 324 | err = rdev_auth(rdev, dev, &req); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 325 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 326 | out: |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 327 | cfg80211_put_bss(&rdev->wiphy, req.bss); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 328 | return err; |
| 329 | } |
| 330 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 331 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
| 332 | struct net_device *dev, struct ieee80211_channel *chan, |
| 333 | enum nl80211_auth_type auth_type, const u8 *bssid, |
| 334 | const u8 *ssid, int ssid_len, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 335 | const u8 *ie, int ie_len, |
Jouni Malinen | e39e5b5 | 2012-09-30 19:29:39 +0300 | [diff] [blame] | 336 | const u8 *key, int key_len, int key_idx, |
| 337 | const u8 *sae_data, int sae_data_len) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 338 | { |
| 339 | int err; |
| 340 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 341 | mutex_lock(&rdev->devlist_mtx); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 342 | wdev_lock(dev->ieee80211_ptr); |
| 343 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 344 | ssid, ssid_len, ie, ie_len, |
Jouni Malinen | e39e5b5 | 2012-09-30 19:29:39 +0300 | [diff] [blame] | 345 | key, key_len, key_idx, |
| 346 | sae_data, sae_data_len); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 347 | wdev_unlock(dev->ieee80211_ptr); |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 348 | mutex_unlock(&rdev->devlist_mtx); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 349 | |
| 350 | return err; |
| 351 | } |
| 352 | |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 353 | /* Do a logical ht_capa &= ht_capa_mask. */ |
| 354 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
| 355 | const struct ieee80211_ht_cap *ht_capa_mask) |
| 356 | { |
| 357 | int i; |
| 358 | u8 *p1, *p2; |
| 359 | if (!ht_capa_mask) { |
| 360 | memset(ht_capa, 0, sizeof(*ht_capa)); |
| 361 | return; |
| 362 | } |
| 363 | |
| 364 | p1 = (u8*)(ht_capa); |
| 365 | p2 = (u8*)(ht_capa_mask); |
| 366 | for (i = 0; i<sizeof(*ht_capa); i++) |
| 367 | p1[i] &= p2[i]; |
| 368 | } |
| 369 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 370 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
| 371 | struct net_device *dev, |
| 372 | struct ieee80211_channel *chan, |
| 373 | const u8 *bssid, const u8 *prev_bssid, |
| 374 | const u8 *ssid, int ssid_len, |
| 375 | const u8 *ie, int ie_len, bool use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 376 | struct cfg80211_crypto_settings *crypt, |
| 377 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 378 | struct ieee80211_ht_cap *ht_capa_mask) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 379 | { |
| 380 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 381 | struct cfg80211_assoc_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 382 | int err; |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 383 | bool was_connected = false; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 384 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 385 | ASSERT_WDEV_LOCK(wdev); |
| 386 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 387 | memset(&req, 0, sizeof(req)); |
| 388 | |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 389 | if (wdev->current_bss && prev_bssid && |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 390 | ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) { |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 391 | /* |
| 392 | * Trying to reassociate: Allow this to proceed and let the old |
| 393 | * association to be dropped when the new one is completed. |
| 394 | */ |
| 395 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { |
| 396 | was_connected = true; |
| 397 | wdev->sme_state = CFG80211_SME_CONNECTING; |
| 398 | } |
| 399 | } else if (wdev->current_bss) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 400 | return -EALREADY; |
| 401 | |
| 402 | req.ie = ie; |
| 403 | req.ie_len = ie_len; |
| 404 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); |
| 405 | req.use_mfp = use_mfp; |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 406 | req.prev_bssid = prev_bssid; |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 407 | req.flags = assoc_flags; |
| 408 | if (ht_capa) |
| 409 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); |
| 410 | if (ht_capa_mask) |
| 411 | memcpy(&req.ht_capa_mask, ht_capa_mask, |
| 412 | sizeof(req.ht_capa_mask)); |
| 413 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, |
| 414 | rdev->wiphy.ht_capa_mod_mask); |
| 415 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 416 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
| 417 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 418 | if (!req.bss) { |
| 419 | if (was_connected) |
| 420 | wdev->sme_state = CFG80211_SME_CONNECTED; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 421 | return -ENOENT; |
Jouni Malinen | 24b6b15 | 2009-11-17 21:35:38 +0200 | [diff] [blame] | 422 | } |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 423 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 424 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
| 425 | CHAN_MODE_SHARED); |
| 426 | if (err) |
| 427 | goto out; |
| 428 | |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 429 | err = rdev_assoc(rdev, dev, &req); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 430 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 431 | out: |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 432 | if (err) { |
| 433 | if (was_connected) |
| 434 | wdev->sme_state = CFG80211_SME_CONNECTED; |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 435 | cfg80211_put_bss(&rdev->wiphy, req.bss); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 436 | } |
| 437 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 438 | return err; |
| 439 | } |
| 440 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 441 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
| 442 | struct net_device *dev, |
| 443 | struct ieee80211_channel *chan, |
| 444 | const u8 *bssid, const u8 *prev_bssid, |
| 445 | const u8 *ssid, int ssid_len, |
| 446 | const u8 *ie, int ie_len, bool use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 447 | struct cfg80211_crypto_settings *crypt, |
| 448 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 449 | struct ieee80211_ht_cap *ht_capa_mask) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 450 | { |
| 451 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 452 | int err; |
| 453 | |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 454 | mutex_lock(&rdev->devlist_mtx); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 455 | wdev_lock(wdev); |
| 456 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 457 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
| 458 | assoc_flags, ht_capa, ht_capa_mask); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 459 | wdev_unlock(wdev); |
Michal Kazior | e4e3245 | 2012-06-29 12:47:08 +0200 | [diff] [blame] | 460 | mutex_unlock(&rdev->devlist_mtx); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 461 | |
| 462 | return err; |
| 463 | } |
| 464 | |
| 465 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 466 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 467 | const u8 *ie, int ie_len, u16 reason, |
| 468 | bool local_state_change) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 469 | { |
| 470 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 471 | struct cfg80211_deauth_request req = { |
| 472 | .bssid = bssid, |
| 473 | .reason_code = reason, |
| 474 | .ie = ie, |
| 475 | .ie_len = ie_len, |
Stanislaw Gruszka | 6863255 | 2012-10-15 14:52:41 +0200 | [diff] [blame] | 476 | .local_state_change = local_state_change, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 477 | }; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 478 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 479 | ASSERT_WDEV_LOCK(wdev); |
| 480 | |
Stanislaw Gruszka | 6863255 | 2012-10-15 14:52:41 +0200 | [diff] [blame] | 481 | if (local_state_change && (!wdev->current_bss || |
| 482 | !ether_addr_equal(wdev->current_bss->pub.bssid, bssid))) |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 483 | return 0; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 484 | |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 485 | return rdev_deauth(rdev, dev, &req); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 486 | } |
| 487 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 488 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 489 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 490 | const u8 *ie, int ie_len, u16 reason, |
| 491 | bool local_state_change) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 492 | { |
| 493 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 494 | int err; |
| 495 | |
| 496 | wdev_lock(wdev); |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 497 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
| 498 | local_state_change); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 499 | wdev_unlock(wdev); |
| 500 | |
| 501 | return err; |
| 502 | } |
| 503 | |
| 504 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 505 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 506 | const u8 *ie, int ie_len, u16 reason, |
| 507 | bool local_state_change) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 508 | { |
| 509 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 510 | struct cfg80211_disassoc_request req; |
| 511 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 512 | ASSERT_WDEV_LOCK(wdev); |
| 513 | |
Johannes Berg | f9d6b40 | 2009-07-27 10:22:28 +0200 | [diff] [blame] | 514 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
| 515 | return -ENOTCONN; |
| 516 | |
Johannes Berg | 8dcf011 | 2013-01-26 22:16:08 +0100 | [diff] [blame] | 517 | if (WARN(!wdev->current_bss, "sme_state=%d\n", wdev->sme_state)) |
Johannes Berg | f9d6b40 | 2009-07-27 10:22:28 +0200 | [diff] [blame] | 518 | return -ENOTCONN; |
| 519 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 520 | memset(&req, 0, sizeof(req)); |
| 521 | req.reason_code = reason; |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 522 | req.local_state_change = local_state_change; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 523 | req.ie = ie; |
| 524 | req.ie_len = ie_len; |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 525 | if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 526 | req.bss = &wdev->current_bss->pub; |
| 527 | else |
| 528 | return -ENOTCONN; |
| 529 | |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 530 | return rdev_disassoc(rdev, dev, &req); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 534 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 535 | const u8 *ie, int ie_len, u16 reason, |
| 536 | bool local_state_change) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 537 | { |
| 538 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 539 | int err; |
| 540 | |
| 541 | wdev_lock(wdev); |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 542 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
| 543 | local_state_change); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 544 | wdev_unlock(wdev); |
| 545 | |
| 546 | return err; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
| 550 | struct net_device *dev) |
| 551 | { |
| 552 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 553 | struct cfg80211_deauth_request req; |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 554 | u8 bssid[ETH_ALEN]; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 555 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 556 | ASSERT_WDEV_LOCK(wdev); |
| 557 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 558 | if (!rdev->ops->deauth) |
| 559 | return; |
| 560 | |
| 561 | memset(&req, 0, sizeof(req)); |
| 562 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; |
| 563 | req.ie = NULL; |
| 564 | req.ie_len = 0; |
| 565 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 566 | if (!wdev->current_bss) |
| 567 | return; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 568 | |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 569 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
| 570 | req.bssid = bssid; |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 571 | rdev_deauth(rdev, dev, &req); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 572 | |
| 573 | if (wdev->current_bss) { |
| 574 | cfg80211_unhold_bss(wdev->current_bss); |
Johannes Berg | 5b112d3 | 2013-02-01 01:49:58 +0100 | [diff] [blame] | 575 | cfg80211_put_bss(&rdev->wiphy, &wdev->current_bss->pub); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 576 | wdev->current_bss = NULL; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 577 | } |
| 578 | } |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 579 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 580 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 581 | struct ieee80211_channel *chan, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 582 | unsigned int duration, gfp_t gfp) |
| 583 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 584 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 585 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 586 | |
Johannes Berg | 42d97a5 | 2012-11-08 18:31:02 +0100 | [diff] [blame] | 587 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); |
| 588 | nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, duration, gfp); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 589 | } |
| 590 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
| 591 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 592 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 593 | struct ieee80211_channel *chan, |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 594 | gfp_t gfp) |
| 595 | { |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 596 | struct wiphy *wiphy = wdev->wiphy; |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 597 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 598 | |
Johannes Berg | 42d97a5 | 2012-11-08 18:31:02 +0100 | [diff] [blame] | 599 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); |
| 600 | nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, gfp); |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 601 | } |
| 602 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 603 | |
| 604 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
| 605 | struct station_info *sinfo, gfp_t gfp) |
| 606 | { |
| 607 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 608 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 609 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 610 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
Johannes Berg | 98b6218 | 2009-12-23 13:15:44 +0100 | [diff] [blame] | 611 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); |
| 612 | } |
| 613 | EXPORT_SYMBOL(cfg80211_new_sta); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 614 | |
Jouni Malinen | ec15e68 | 2011-03-23 15:29:52 +0200 | [diff] [blame] | 615 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
| 616 | { |
| 617 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 618 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 619 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 620 | trace_cfg80211_del_sta(dev, mac_addr); |
Jouni Malinen | ec15e68 | 2011-03-23 15:29:52 +0200 | [diff] [blame] | 621 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); |
| 622 | } |
| 623 | EXPORT_SYMBOL(cfg80211_del_sta); |
| 624 | |
Pandiyarajan Pitchaimuthu | ed44a95 | 2012-09-18 16:50:49 +0530 | [diff] [blame] | 625 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
| 626 | enum nl80211_connect_failed_reason reason, |
| 627 | gfp_t gfp) |
| 628 | { |
| 629 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
| 630 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 631 | |
| 632 | nl80211_send_conn_failed_event(rdev, dev, mac_addr, reason, gfp); |
| 633 | } |
| 634 | EXPORT_SYMBOL(cfg80211_conn_failed); |
| 635 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 636 | struct cfg80211_mgmt_registration { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 637 | struct list_head list; |
| 638 | |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 639 | u32 nlportid; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 640 | |
| 641 | int match_len; |
| 642 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 643 | __le16 frame_type; |
| 644 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 645 | u8 match[]; |
| 646 | }; |
| 647 | |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 648 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 649 | u16 frame_type, const u8 *match_data, |
| 650 | int match_len) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 651 | { |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 652 | struct wiphy *wiphy = wdev->wiphy; |
| 653 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 654 | struct cfg80211_mgmt_registration *reg, *nreg; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 655 | int err = 0; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 656 | u16 mgmt_type; |
| 657 | |
| 658 | if (!wdev->wiphy->mgmt_stypes) |
| 659 | return -EOPNOTSUPP; |
| 660 | |
| 661 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) |
| 662 | return -EINVAL; |
| 663 | |
| 664 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) |
| 665 | return -EINVAL; |
| 666 | |
| 667 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; |
| 668 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) |
| 669 | return -EINVAL; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 670 | |
| 671 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); |
| 672 | if (!nreg) |
| 673 | return -ENOMEM; |
| 674 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 675 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 676 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 677 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 678 | int mlen = min(match_len, reg->match_len); |
| 679 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 680 | if (frame_type != le16_to_cpu(reg->frame_type)) |
| 681 | continue; |
| 682 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 683 | if (memcmp(reg->match, match_data, mlen) == 0) { |
| 684 | err = -EALREADY; |
| 685 | break; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | if (err) { |
| 690 | kfree(nreg); |
| 691 | goto out; |
| 692 | } |
| 693 | |
| 694 | memcpy(nreg->match, match_data, match_len); |
| 695 | nreg->match_len = match_len; |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 696 | nreg->nlportid = snd_portid; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 697 | nreg->frame_type = cpu_to_le16(frame_type); |
| 698 | list_add(&nreg->list, &wdev->mgmt_registrations); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 699 | |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 700 | if (rdev->ops->mgmt_frame_register) |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 701 | rdev_mgmt_frame_register(rdev, wdev, frame_type, true); |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 702 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 703 | out: |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 704 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 705 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 706 | return err; |
| 707 | } |
| 708 | |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 709 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 710 | { |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 711 | struct wiphy *wiphy = wdev->wiphy; |
| 712 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 713 | struct cfg80211_mgmt_registration *reg, *tmp; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 714 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 715 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 716 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 717 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 718 | if (reg->nlportid != nlportid) |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 719 | continue; |
| 720 | |
| 721 | if (rdev->ops->mgmt_frame_register) { |
| 722 | u16 frame_type = le16_to_cpu(reg->frame_type); |
| 723 | |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 724 | rdev_mgmt_frame_register(rdev, wdev, |
| 725 | frame_type, false); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 726 | } |
Johannes Berg | 271733c | 2010-10-13 12:06:23 +0200 | [diff] [blame] | 727 | |
| 728 | list_del(®->list); |
| 729 | kfree(reg); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 730 | } |
| 731 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 732 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Johannes Berg | 28946da | 2011-11-04 11:18:12 +0100 | [diff] [blame] | 733 | |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 734 | if (nlportid == wdev->ap_unexpected_nlportid) |
| 735 | wdev->ap_unexpected_nlportid = 0; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 736 | } |
| 737 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 738 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 739 | { |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 740 | struct cfg80211_mgmt_registration *reg, *tmp; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 741 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 742 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 743 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 744 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 745 | list_del(®->list); |
| 746 | kfree(reg); |
| 747 | } |
| 748 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 749 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 750 | } |
| 751 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 752 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 753 | struct wireless_dev *wdev, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 754 | struct ieee80211_channel *chan, bool offchan, |
Johannes Berg | 42d97a5 | 2012-11-08 18:31:02 +0100 | [diff] [blame] | 755 | unsigned int wait, const u8 *buf, size_t len, |
| 756 | bool no_cck, bool dont_wait_for_ack, u64 *cookie) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 757 | { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 758 | const struct ieee80211_mgmt *mgmt; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 759 | u16 stype; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 760 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 761 | if (!wdev->wiphy->mgmt_stypes) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 762 | return -EOPNOTSUPP; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 763 | |
| 764 | if (!rdev->ops->mgmt_tx) |
| 765 | return -EOPNOTSUPP; |
| 766 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 767 | if (len < 24 + 1) |
| 768 | return -EINVAL; |
| 769 | |
| 770 | mgmt = (const struct ieee80211_mgmt *) buf; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 771 | |
| 772 | if (!ieee80211_is_mgmt(mgmt->frame_control)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 773 | return -EINVAL; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 774 | |
| 775 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; |
| 776 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) |
| 777 | return -EINVAL; |
| 778 | |
| 779 | if (ieee80211_is_action(mgmt->frame_control) && |
| 780 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 781 | int err = 0; |
| 782 | |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 783 | wdev_lock(wdev); |
| 784 | |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 785 | switch (wdev->iftype) { |
| 786 | case NL80211_IFTYPE_ADHOC: |
| 787 | case NL80211_IFTYPE_STATION: |
| 788 | case NL80211_IFTYPE_P2P_CLIENT: |
| 789 | if (!wdev->current_bss) { |
| 790 | err = -ENOTCONN; |
| 791 | break; |
| 792 | } |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 793 | |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 794 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
| 795 | mgmt->bssid)) { |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 796 | err = -ENOTCONN; |
| 797 | break; |
| 798 | } |
| 799 | |
| 800 | /* |
| 801 | * check for IBSS DA must be done by driver as |
| 802 | * cfg80211 doesn't track the stations |
| 803 | */ |
| 804 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) |
| 805 | break; |
| 806 | |
| 807 | /* for station, check that DA is the AP */ |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 808 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
| 809 | mgmt->da)) { |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 810 | err = -ENOTCONN; |
| 811 | break; |
| 812 | } |
| 813 | break; |
| 814 | case NL80211_IFTYPE_AP: |
| 815 | case NL80211_IFTYPE_P2P_GO: |
| 816 | case NL80211_IFTYPE_AP_VLAN: |
Johannes Berg | 98104fde | 2012-06-16 00:19:54 +0200 | [diff] [blame] | 817 | if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev))) |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 818 | err = -EINVAL; |
| 819 | break; |
Javier Cardona | 0778a6a | 2011-05-03 16:57:08 -0700 | [diff] [blame] | 820 | case NL80211_IFTYPE_MESH_POINT: |
Joe Perches | ac422d3 | 2012-05-08 18:56:55 +0000 | [diff] [blame] | 821 | if (!ether_addr_equal(mgmt->sa, mgmt->bssid)) { |
Javier Cardona | 0778a6a | 2011-05-03 16:57:08 -0700 | [diff] [blame] | 822 | err = -EINVAL; |
| 823 | break; |
| 824 | } |
| 825 | /* |
| 826 | * check for mesh DA must be done by driver as |
| 827 | * cfg80211 doesn't track the stations |
| 828 | */ |
| 829 | break; |
Johannes Berg | 98104fde | 2012-06-16 00:19:54 +0200 | [diff] [blame] | 830 | case NL80211_IFTYPE_P2P_DEVICE: |
| 831 | /* |
| 832 | * fall through, P2P device only supports |
| 833 | * public action frames |
| 834 | */ |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 835 | default: |
| 836 | err = -EOPNOTSUPP; |
| 837 | break; |
| 838 | } |
Johannes Berg | fe100ac | 2010-08-09 15:52:03 +0200 | [diff] [blame] | 839 | wdev_unlock(wdev); |
Johannes Berg | 663fcaf | 2010-09-30 21:06:09 +0200 | [diff] [blame] | 840 | |
| 841 | if (err) |
| 842 | return err; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 843 | } |
| 844 | |
Johannes Berg | 98104fde | 2012-06-16 00:19:54 +0200 | [diff] [blame] | 845 | if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 846 | return -EINVAL; |
| 847 | |
| 848 | /* Transmit the Action frame as requested by user space */ |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 849 | return rdev_mgmt_tx(rdev, wdev, chan, offchan, |
Hila Gonen | e35e4d2 | 2012-06-27 17:19:42 +0300 | [diff] [blame] | 850 | wait, buf, len, no_cck, dont_wait_for_ack, |
| 851 | cookie); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 852 | } |
| 853 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 854 | bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 855 | const u8 *buf, size_t len, gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 856 | { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 857 | struct wiphy *wiphy = wdev->wiphy; |
| 858 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 859 | struct cfg80211_mgmt_registration *reg; |
| 860 | const struct ieee80211_txrx_stypes *stypes = |
| 861 | &wiphy->mgmt_stypes[wdev->iftype]; |
| 862 | struct ieee80211_mgmt *mgmt = (void *)buf; |
| 863 | const u8 *data; |
| 864 | int data_len; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 865 | bool result = false; |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 866 | __le16 ftype = mgmt->frame_control & |
| 867 | cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); |
| 868 | u16 stype; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 869 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 870 | trace_cfg80211_rx_mgmt(wdev, freq, sig_mbm); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 871 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 872 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 873 | if (!(stypes->rx & BIT(stype))) { |
| 874 | trace_cfg80211_return_bool(false); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 875 | return false; |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 876 | } |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 877 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 878 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
| 879 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 880 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 881 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
| 882 | |
| 883 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
| 884 | if (reg->frame_type != ftype) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 885 | continue; |
| 886 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 887 | if (reg->match_len > data_len) |
| 888 | continue; |
| 889 | |
| 890 | if (memcmp(reg->match, data, reg->match_len)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 891 | continue; |
| 892 | |
| 893 | /* found match! */ |
| 894 | |
| 895 | /* Indicate the received Action frame to user space */ |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 896 | if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, |
Johannes Berg | 804483e | 2012-03-05 22:18:41 +0100 | [diff] [blame] | 897 | freq, sig_mbm, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 898 | buf, len, gfp)) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 899 | continue; |
| 900 | |
| 901 | result = true; |
| 902 | break; |
| 903 | } |
| 904 | |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 905 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 906 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 907 | trace_cfg80211_return_bool(result); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 908 | return result; |
| 909 | } |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 910 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 911 | |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 912 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 913 | const u8 *buf, size_t len, bool ack, gfp_t gfp) |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 914 | { |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 915 | struct wiphy *wiphy = wdev->wiphy; |
| 916 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 917 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 918 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
| 919 | |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 920 | /* Indicate TX status of the Action frame to user space */ |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 921 | nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp); |
Jouni Malinen | 026331c | 2010-02-15 12:53:10 +0200 | [diff] [blame] | 922 | } |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 923 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 924 | |
| 925 | void cfg80211_cqm_rssi_notify(struct net_device *dev, |
| 926 | enum nl80211_cqm_rssi_threshold_event rssi_event, |
| 927 | gfp_t gfp) |
| 928 | { |
| 929 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 930 | struct wiphy *wiphy = wdev->wiphy; |
| 931 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 932 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 933 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
| 934 | |
Juuso Oikarinen | d6dc1a3 | 2010-03-23 09:02:33 +0200 | [diff] [blame] | 935 | /* Indicate roaming trigger event to user space */ |
| 936 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); |
| 937 | } |
| 938 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
Johannes Berg | c063dbf | 2010-11-24 08:10:05 +0100 | [diff] [blame] | 939 | |
| 940 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, |
| 941 | const u8 *peer, u32 num_packets, gfp_t gfp) |
| 942 | { |
| 943 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 944 | struct wiphy *wiphy = wdev->wiphy; |
| 945 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 946 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 947 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
| 948 | |
Johannes Berg | c063dbf | 2010-11-24 08:10:05 +0100 | [diff] [blame] | 949 | /* Indicate roaming trigger event to user space */ |
| 950 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); |
| 951 | } |
| 952 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 953 | |
Thomas Pedersen | 84f1070 | 2012-07-12 16:17:33 -0700 | [diff] [blame] | 954 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
| 955 | const u8 *peer, u32 num_packets, |
| 956 | u32 rate, u32 intvl, gfp_t gfp) |
| 957 | { |
| 958 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 959 | struct wiphy *wiphy = wdev->wiphy; |
| 960 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 961 | |
| 962 | nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets, |
| 963 | rate, intvl, gfp); |
| 964 | } |
| 965 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); |
| 966 | |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 967 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
| 968 | const u8 *replay_ctr, gfp_t gfp) |
| 969 | { |
| 970 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 971 | struct wiphy *wiphy = wdev->wiphy; |
| 972 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 973 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 974 | trace_cfg80211_gtk_rekey_notify(dev, bssid); |
Johannes Berg | e5497d7 | 2011-07-05 16:35:40 +0200 | [diff] [blame] | 975 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); |
| 976 | } |
| 977 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); |
Jouni Malinen | c9df56b | 2011-09-16 18:56:23 +0300 | [diff] [blame] | 978 | |
| 979 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
| 980 | const u8 *bssid, bool preauth, gfp_t gfp) |
| 981 | { |
| 982 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 983 | struct wiphy *wiphy = wdev->wiphy; |
| 984 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 985 | |
Beni Lev | 4ee3e06 | 2012-08-27 12:49:39 +0300 | [diff] [blame] | 986 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); |
Jouni Malinen | c9df56b | 2011-09-16 18:56:23 +0300 | [diff] [blame] | 987 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); |
| 988 | } |
| 989 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); |
Simon Wunderlich | 04f3904 | 2013-02-08 18:16:19 +0100 | [diff] [blame^] | 990 | |
| 991 | void cfg80211_dfs_channels_update_work(struct work_struct *work) |
| 992 | { |
| 993 | struct delayed_work *delayed_work; |
| 994 | struct cfg80211_registered_device *rdev; |
| 995 | struct cfg80211_chan_def chandef; |
| 996 | struct ieee80211_supported_band *sband; |
| 997 | struct ieee80211_channel *c; |
| 998 | struct wiphy *wiphy; |
| 999 | bool check_again = false; |
| 1000 | unsigned long timeout, next_time = 0; |
| 1001 | int bandid, i; |
| 1002 | |
| 1003 | delayed_work = container_of(work, struct delayed_work, work); |
| 1004 | rdev = container_of(delayed_work, struct cfg80211_registered_device, |
| 1005 | dfs_update_channels_wk); |
| 1006 | wiphy = &rdev->wiphy; |
| 1007 | |
| 1008 | mutex_lock(&cfg80211_mutex); |
| 1009 | for (bandid = 0; bandid < IEEE80211_NUM_BANDS; bandid++) { |
| 1010 | sband = wiphy->bands[bandid]; |
| 1011 | if (!sband) |
| 1012 | continue; |
| 1013 | |
| 1014 | for (i = 0; i < sband->n_channels; i++) { |
| 1015 | c = &sband->channels[i]; |
| 1016 | |
| 1017 | if (c->dfs_state != NL80211_DFS_UNAVAILABLE) |
| 1018 | continue; |
| 1019 | |
| 1020 | timeout = c->dfs_state_entered + |
| 1021 | IEEE80211_DFS_MIN_NOP_TIME_MS; |
| 1022 | |
| 1023 | if (time_after_eq(jiffies, timeout)) { |
| 1024 | c->dfs_state = NL80211_DFS_USABLE; |
| 1025 | cfg80211_chandef_create(&chandef, c, |
| 1026 | NL80211_CHAN_NO_HT); |
| 1027 | |
| 1028 | nl80211_radar_notify(rdev, &chandef, |
| 1029 | NL80211_RADAR_NOP_FINISHED, |
| 1030 | NULL, GFP_ATOMIC); |
| 1031 | continue; |
| 1032 | } |
| 1033 | |
| 1034 | if (!check_again) |
| 1035 | next_time = timeout - jiffies; |
| 1036 | else |
| 1037 | next_time = min(next_time, timeout - jiffies); |
| 1038 | check_again = true; |
| 1039 | } |
| 1040 | } |
| 1041 | mutex_unlock(&cfg80211_mutex); |
| 1042 | |
| 1043 | /* reschedule if there are other channels waiting to be cleared again */ |
| 1044 | if (check_again) |
| 1045 | queue_delayed_work(cfg80211_wq, &rdev->dfs_update_channels_wk, |
| 1046 | next_time); |
| 1047 | } |
| 1048 | |
| 1049 | |
| 1050 | void cfg80211_radar_event(struct wiphy *wiphy, |
| 1051 | struct cfg80211_chan_def *chandef, |
| 1052 | gfp_t gfp) |
| 1053 | { |
| 1054 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 1055 | unsigned long timeout; |
| 1056 | |
| 1057 | trace_cfg80211_radar_event(wiphy, chandef); |
| 1058 | |
| 1059 | /* only set the chandef supplied channel to unavailable, in |
| 1060 | * case the radar is detected on only one of multiple channels |
| 1061 | * spanned by the chandef. |
| 1062 | */ |
| 1063 | cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_UNAVAILABLE); |
| 1064 | |
| 1065 | timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_NOP_TIME_MS); |
| 1066 | queue_delayed_work(cfg80211_wq, &rdev->dfs_update_channels_wk, |
| 1067 | timeout); |
| 1068 | |
| 1069 | nl80211_radar_notify(rdev, chandef, NL80211_RADAR_DETECTED, NULL, gfp); |
| 1070 | } |
| 1071 | EXPORT_SYMBOL(cfg80211_radar_event); |
| 1072 | |
| 1073 | void cfg80211_cac_event(struct net_device *netdev, |
| 1074 | enum nl80211_radar_event event, gfp_t gfp) |
| 1075 | { |
| 1076 | struct wireless_dev *wdev = netdev->ieee80211_ptr; |
| 1077 | struct wiphy *wiphy = wdev->wiphy; |
| 1078 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
| 1079 | struct cfg80211_chan_def chandef; |
| 1080 | unsigned long timeout; |
| 1081 | |
| 1082 | trace_cfg80211_cac_event(netdev, event); |
| 1083 | |
| 1084 | if (WARN_ON(!wdev->cac_started)) |
| 1085 | return; |
| 1086 | |
| 1087 | if (WARN_ON(!wdev->channel)) |
| 1088 | return; |
| 1089 | |
| 1090 | cfg80211_chandef_create(&chandef, wdev->channel, NL80211_CHAN_NO_HT); |
| 1091 | |
| 1092 | switch (event) { |
| 1093 | case NL80211_RADAR_CAC_FINISHED: |
| 1094 | timeout = wdev->cac_start_time + |
| 1095 | msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); |
| 1096 | WARN_ON(!time_after_eq(jiffies, timeout)); |
| 1097 | cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_AVAILABLE); |
| 1098 | break; |
| 1099 | case NL80211_RADAR_CAC_ABORTED: |
| 1100 | break; |
| 1101 | default: |
| 1102 | WARN_ON(1); |
| 1103 | return; |
| 1104 | } |
| 1105 | wdev->cac_started = false; |
| 1106 | |
| 1107 | nl80211_radar_notify(rdev, &chandef, event, netdev, gfp); |
| 1108 | } |
| 1109 | EXPORT_SYMBOL(cfg80211_cac_event); |