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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c266
1 files changed, 205 insertions, 61 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1e37dbf00cb3..0418a6d5c1a6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -496,11 +496,11 @@ static bool is_valid_ie_attr(const struct nlattr *attr)
496} 496}
497 497
498/* message building helper */ 498/* message building helper */
499static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, 499static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
500 int flags, u8 cmd) 500 int flags, u8 cmd)
501{ 501{
502 /* since there is no private header just add the generic one */ 502 /* since there is no private header just add the generic one */
503 return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); 503 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
504} 504}
505 505
506static int nl80211_msg_put_channel(struct sk_buff *msg, 506static int nl80211_msg_put_channel(struct sk_buff *msg,
@@ -851,7 +851,7 @@ nla_put_failure:
851 return -ENOBUFS; 851 return -ENOBUFS;
852} 852}
853 853
854static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, 854static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
855 struct cfg80211_registered_device *dev) 855 struct cfg80211_registered_device *dev)
856{ 856{
857 void *hdr; 857 void *hdr;
@@ -866,7 +866,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
866 const struct ieee80211_txrx_stypes *mgmt_stypes = 866 const struct ieee80211_txrx_stypes *mgmt_stypes =
867 dev->wiphy.mgmt_stypes; 867 dev->wiphy.mgmt_stypes;
868 868
869 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); 869 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
870 if (!hdr) 870 if (!hdr)
871 return -1; 871 return -1;
872 872
@@ -1100,6 +1100,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
1100 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) 1100 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1101 goto nla_put_failure; 1101 goto nla_put_failure;
1102 } 1102 }
1103 CMD(start_p2p_device, START_P2P_DEVICE);
1103 1104
1104#ifdef CONFIG_NL80211_TESTMODE 1105#ifdef CONFIG_NL80211_TESTMODE
1105 CMD(testmode_cmd, TESTMODE); 1106 CMD(testmode_cmd, TESTMODE);
@@ -1266,7 +1267,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1266 continue; 1267 continue;
1267 if (++idx <= start) 1268 if (++idx <= start)
1268 continue; 1269 continue;
1269 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, 1270 if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid,
1270 cb->nlh->nlmsg_seq, NLM_F_MULTI, 1271 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1271 dev) < 0) { 1272 dev) < 0) {
1272 idx--; 1273 idx--;
@@ -1289,7 +1290,7 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1289 if (!msg) 1290 if (!msg)
1290 return -ENOMEM; 1291 return -ENOMEM;
1291 1292
1292 if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { 1293 if (nl80211_send_wiphy(msg, info->snd_portid, info->snd_seq, 0, dev) < 0) {
1293 nlmsg_free(msg); 1294 nlmsg_free(msg);
1294 return -ENOBUFS; 1295 return -ENOBUFS;
1295 } 1296 }
@@ -1735,26 +1736,26 @@ static inline u64 wdev_id(struct wireless_dev *wdev)
1735 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); 1736 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
1736} 1737}
1737 1738
1738static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, 1739static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
1739 struct cfg80211_registered_device *rdev, 1740 struct cfg80211_registered_device *rdev,
1740 struct wireless_dev *wdev) 1741 struct wireless_dev *wdev)
1741{ 1742{
1742 struct net_device *dev = wdev->netdev; 1743 struct net_device *dev = wdev->netdev;
1743 void *hdr; 1744 void *hdr;
1744 1745
1745 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); 1746 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
1746 if (!hdr) 1747 if (!hdr)
1747 return -1; 1748 return -1;
1748 1749
1749 if (dev && 1750 if (dev &&
1750 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || 1751 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
1751 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) || 1752 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
1752 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
1753 goto nla_put_failure; 1753 goto nla_put_failure;
1754 1754
1755 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || 1755 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1756 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || 1756 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
1757 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || 1757 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
1758 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
1758 nla_put_u32(msg, NL80211_ATTR_GENERATION, 1759 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1759 rdev->devlist_generation ^ 1760 rdev->devlist_generation ^
1760 (cfg80211_rdev_list_generation << 2))) 1761 (cfg80211_rdev_list_generation << 2)))
@@ -1806,7 +1807,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
1806 if_idx++; 1807 if_idx++;
1807 continue; 1808 continue;
1808 } 1809 }
1809 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, 1810 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
1810 cb->nlh->nlmsg_seq, NLM_F_MULTI, 1811 cb->nlh->nlmsg_seq, NLM_F_MULTI,
1811 rdev, wdev) < 0) { 1812 rdev, wdev) < 0) {
1812 mutex_unlock(&rdev->devlist_mtx); 1813 mutex_unlock(&rdev->devlist_mtx);
@@ -1837,7 +1838,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
1837 if (!msg) 1838 if (!msg)
1838 return -ENOMEM; 1839 return -ENOMEM;
1839 1840
1840 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, 1841 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
1841 dev, wdev) < 0) { 1842 dev, wdev) < 0) {
1842 nlmsg_free(msg); 1843 nlmsg_free(msg);
1843 return -ENOBUFS; 1844 return -ENOBUFS;
@@ -2021,8 +2022,10 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2021 return PTR_ERR(wdev); 2022 return PTR_ERR(wdev);
2022 } 2023 }
2023 2024
2024 if (type == NL80211_IFTYPE_MESH_POINT && 2025 switch (type) {
2025 info->attrs[NL80211_ATTR_MESH_ID]) { 2026 case NL80211_IFTYPE_MESH_POINT:
2027 if (!info->attrs[NL80211_ATTR_MESH_ID])
2028 break;
2026 wdev_lock(wdev); 2029 wdev_lock(wdev);
2027 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != 2030 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2028 IEEE80211_MAX_MESH_ID_LEN); 2031 IEEE80211_MAX_MESH_ID_LEN);
@@ -2031,9 +2034,29 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2031 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), 2034 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2032 wdev->mesh_id_up_len); 2035 wdev->mesh_id_up_len);
2033 wdev_unlock(wdev); 2036 wdev_unlock(wdev);
2037 break;
2038 case NL80211_IFTYPE_P2P_DEVICE:
2039 /*
2040 * P2P Device doesn't have a netdev, so doesn't go
2041 * through the netdev notifier and must be added here
2042 */
2043 mutex_init(&wdev->mtx);
2044 INIT_LIST_HEAD(&wdev->event_list);
2045 spin_lock_init(&wdev->event_lock);
2046 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2047 spin_lock_init(&wdev->mgmt_registrations_lock);
2048
2049 mutex_lock(&rdev->devlist_mtx);
2050 wdev->identifier = ++rdev->wdev_id;
2051 list_add_rcu(&wdev->list, &rdev->wdev_list);
2052 rdev->devlist_generation++;
2053 mutex_unlock(&rdev->devlist_mtx);
2054 break;
2055 default:
2056 break;
2034 } 2057 }
2035 2058
2036 if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, 2059 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2037 rdev, wdev) < 0) { 2060 rdev, wdev) < 0) {
2038 nlmsg_free(msg); 2061 nlmsg_free(msg);
2039 return -ENOBUFS; 2062 return -ENOBUFS;
@@ -2168,7 +2191,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2168 if (!msg) 2191 if (!msg)
2169 return -ENOMEM; 2192 return -ENOMEM;
2170 2193
2171 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 2194 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2172 NL80211_CMD_NEW_KEY); 2195 NL80211_CMD_NEW_KEY);
2173 if (IS_ERR(hdr)) 2196 if (IS_ERR(hdr))
2174 return PTR_ERR(hdr); 2197 return PTR_ERR(hdr);
@@ -2746,7 +2769,7 @@ nla_put_failure:
2746 return false; 2769 return false;
2747} 2770}
2748 2771
2749static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, 2772static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
2750 int flags, 2773 int flags,
2751 struct cfg80211_registered_device *rdev, 2774 struct cfg80211_registered_device *rdev,
2752 struct net_device *dev, 2775 struct net_device *dev,
@@ -2755,7 +2778,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
2755 void *hdr; 2778 void *hdr;
2756 struct nlattr *sinfoattr, *bss_param; 2779 struct nlattr *sinfoattr, *bss_param;
2757 2780
2758 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); 2781 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
2759 if (!hdr) 2782 if (!hdr)
2760 return -1; 2783 return -1;
2761 2784
@@ -2908,7 +2931,7 @@ static int nl80211_dump_station(struct sk_buff *skb,
2908 goto out_err; 2931 goto out_err;
2909 2932
2910 if (nl80211_send_station(skb, 2933 if (nl80211_send_station(skb,
2911 NETLINK_CB(cb->skb).pid, 2934 NETLINK_CB(cb->skb).portid,
2912 cb->nlh->nlmsg_seq, NLM_F_MULTI, 2935 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2913 dev, netdev, mac_addr, 2936 dev, netdev, mac_addr,
2914 &sinfo) < 0) 2937 &sinfo) < 0)
@@ -2954,7 +2977,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
2954 if (!msg) 2977 if (!msg)
2955 return -ENOMEM; 2978 return -ENOMEM;
2956 2979
2957 if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, 2980 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
2958 rdev, dev, mac_addr, &sinfo) < 0) { 2981 rdev, dev, mac_addr, &sinfo) < 0) {
2959 nlmsg_free(msg); 2982 nlmsg_free(msg);
2960 return -ENOBUFS; 2983 return -ENOBUFS;
@@ -3280,7 +3303,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
3280 return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); 3303 return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr);
3281} 3304}
3282 3305
3283static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, 3306static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
3284 int flags, struct net_device *dev, 3307 int flags, struct net_device *dev,
3285 u8 *dst, u8 *next_hop, 3308 u8 *dst, u8 *next_hop,
3286 struct mpath_info *pinfo) 3309 struct mpath_info *pinfo)
@@ -3288,7 +3311,7 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
3288 void *hdr; 3311 void *hdr;
3289 struct nlattr *pinfoattr; 3312 struct nlattr *pinfoattr;
3290 3313
3291 hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); 3314 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3292 if (!hdr) 3315 if (!hdr)
3293 return -1; 3316 return -1;
3294 3317
@@ -3366,7 +3389,7 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
3366 if (err) 3389 if (err)
3367 goto out_err; 3390 goto out_err;
3368 3391
3369 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, 3392 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
3370 cb->nlh->nlmsg_seq, NLM_F_MULTI, 3393 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3371 netdev, dst, next_hop, 3394 netdev, dst, next_hop,
3372 &pinfo) < 0) 3395 &pinfo) < 0)
@@ -3415,7 +3438,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
3415 if (!msg) 3438 if (!msg)
3416 return -ENOMEM; 3439 return -ENOMEM;
3417 3440
3418 if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, 3441 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
3419 dev, dst, next_hop, &pinfo) < 0) { 3442 dev, dst, next_hop, &pinfo) < 0) {
3420 nlmsg_free(msg); 3443 nlmsg_free(msg);
3421 return -ENOBUFS; 3444 return -ENOBUFS;
@@ -3656,7 +3679,7 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
3656 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 3679 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3657 if (!msg) 3680 if (!msg)
3658 return -ENOMEM; 3681 return -ENOMEM;
3659 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 3682 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3660 NL80211_CMD_GET_MESH_CONFIG); 3683 NL80211_CMD_GET_MESH_CONFIG);
3661 if (!hdr) 3684 if (!hdr)
3662 goto out; 3685 goto out;
@@ -3975,7 +3998,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
3975 goto out; 3998 goto out;
3976 } 3999 }
3977 4000
3978 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 4001 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3979 NL80211_CMD_GET_REG); 4002 NL80211_CMD_GET_REG);
3980 if (!hdr) 4003 if (!hdr)
3981 goto put_failure; 4004 goto put_failure;
@@ -4593,7 +4616,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
4593 4616
4594 ASSERT_WDEV_LOCK(wdev); 4617 ASSERT_WDEV_LOCK(wdev);
4595 4618
4596 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, 4619 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
4597 NL80211_CMD_NEW_SCAN_RESULTS); 4620 NL80211_CMD_NEW_SCAN_RESULTS);
4598 if (!hdr) 4621 if (!hdr)
4599 return -1; 4622 return -1;
@@ -4712,14 +4735,14 @@ static int nl80211_dump_scan(struct sk_buff *skb,
4712 return skb->len; 4735 return skb->len;
4713} 4736}
4714 4737
4715static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, 4738static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
4716 int flags, struct net_device *dev, 4739 int flags, struct net_device *dev,
4717 struct survey_info *survey) 4740 struct survey_info *survey)
4718{ 4741{
4719 void *hdr; 4742 void *hdr;
4720 struct nlattr *infoattr; 4743 struct nlattr *infoattr;
4721 4744
4722 hdr = nl80211hdr_put(msg, pid, seq, flags, 4745 hdr = nl80211hdr_put(msg, portid, seq, flags,
4723 NL80211_CMD_NEW_SURVEY_RESULTS); 4746 NL80211_CMD_NEW_SURVEY_RESULTS);
4724 if (!hdr) 4747 if (!hdr)
4725 return -ENOMEM; 4748 return -ENOMEM;
@@ -4813,7 +4836,7 @@ static int nl80211_dump_survey(struct sk_buff *skb,
4813 } 4836 }
4814 4837
4815 if (nl80211_send_survey(skb, 4838 if (nl80211_send_survey(skb,
4816 NETLINK_CB(cb->skb).pid, 4839 NETLINK_CB(cb->skb).portid,
4817 cb->nlh->nlmsg_seq, NLM_F_MULTI, 4840 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4818 netdev, 4841 netdev,
4819 &survey) < 0) 4842 &survey) < 0)
@@ -5428,7 +5451,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
5428 } 5451 }
5429 5452
5430 while (1) { 5453 while (1) {
5431 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, 5454 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
5432 cb->nlh->nlmsg_seq, NLM_F_MULTI, 5455 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5433 NL80211_CMD_TESTMODE); 5456 NL80211_CMD_TESTMODE);
5434 struct nlattr *tmdata; 5457 struct nlattr *tmdata;
@@ -5468,7 +5491,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
5468 5491
5469static struct sk_buff * 5492static struct sk_buff *
5470__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, 5493__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
5471 int approxlen, u32 pid, u32 seq, gfp_t gfp) 5494 int approxlen, u32 portid, u32 seq, gfp_t gfp)
5472{ 5495{
5473 struct sk_buff *skb; 5496 struct sk_buff *skb;
5474 void *hdr; 5497 void *hdr;
@@ -5478,7 +5501,7 @@ __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
5478 if (!skb) 5501 if (!skb)
5479 return NULL; 5502 return NULL;
5480 5503
5481 hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); 5504 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
5482 if (!hdr) { 5505 if (!hdr) {
5483 kfree_skb(skb); 5506 kfree_skb(skb);
5484 return NULL; 5507 return NULL;
@@ -5508,7 +5531,7 @@ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
5508 return NULL; 5531 return NULL;
5509 5532
5510 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 5533 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
5511 rdev->testmode_info->snd_pid, 5534 rdev->testmode_info->snd_portid,
5512 rdev->testmode_info->snd_seq, 5535 rdev->testmode_info->snd_seq,
5513 GFP_KERNEL); 5536 GFP_KERNEL);
5514} 5537}
@@ -5846,7 +5869,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
5846 if (!msg) 5869 if (!msg)
5847 return -ENOMEM; 5870 return -ENOMEM;
5848 5871
5849 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 5872 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5850 NL80211_CMD_REMAIN_ON_CHANNEL); 5873 NL80211_CMD_REMAIN_ON_CHANNEL);
5851 5874
5852 if (IS_ERR(hdr)) { 5875 if (IS_ERR(hdr)) {
@@ -6055,6 +6078,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
6055 case NL80211_IFTYPE_AP_VLAN: 6078 case NL80211_IFTYPE_AP_VLAN:
6056 case NL80211_IFTYPE_MESH_POINT: 6079 case NL80211_IFTYPE_MESH_POINT:
6057 case NL80211_IFTYPE_P2P_GO: 6080 case NL80211_IFTYPE_P2P_GO:
6081 case NL80211_IFTYPE_P2P_DEVICE:
6058 break; 6082 break;
6059 default: 6083 default:
6060 return -EOPNOTSUPP; 6084 return -EOPNOTSUPP;
@@ -6064,7 +6088,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
6064 if (!rdev->ops->mgmt_tx) 6088 if (!rdev->ops->mgmt_tx)
6065 return -EOPNOTSUPP; 6089 return -EOPNOTSUPP;
6066 6090
6067 return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type, 6091 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
6068 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), 6092 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
6069 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); 6093 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
6070} 6094}
@@ -6101,6 +6125,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
6101 case NL80211_IFTYPE_AP_VLAN: 6125 case NL80211_IFTYPE_AP_VLAN:
6102 case NL80211_IFTYPE_MESH_POINT: 6126 case NL80211_IFTYPE_MESH_POINT:
6103 case NL80211_IFTYPE_P2P_GO: 6127 case NL80211_IFTYPE_P2P_GO:
6128 case NL80211_IFTYPE_P2P_DEVICE:
6104 break; 6129 break;
6105 default: 6130 default:
6106 return -EOPNOTSUPP; 6131 return -EOPNOTSUPP;
@@ -6144,7 +6169,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
6144 if (!msg) 6169 if (!msg)
6145 return -ENOMEM; 6170 return -ENOMEM;
6146 6171
6147 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 6172 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6148 NL80211_CMD_FRAME); 6173 NL80211_CMD_FRAME);
6149 6174
6150 if (IS_ERR(hdr)) { 6175 if (IS_ERR(hdr)) {
@@ -6197,6 +6222,7 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
6197 case NL80211_IFTYPE_AP: 6222 case NL80211_IFTYPE_AP:
6198 case NL80211_IFTYPE_AP_VLAN: 6223 case NL80211_IFTYPE_AP_VLAN:
6199 case NL80211_IFTYPE_P2P_GO: 6224 case NL80211_IFTYPE_P2P_GO:
6225 case NL80211_IFTYPE_P2P_DEVICE:
6200 break; 6226 break;
6201 default: 6227 default:
6202 return -EOPNOTSUPP; 6228 return -EOPNOTSUPP;
@@ -6260,7 +6286,7 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
6260 if (!msg) 6286 if (!msg)
6261 return -ENOMEM; 6287 return -ENOMEM;
6262 6288
6263 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 6289 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6264 NL80211_CMD_GET_POWER_SAVE); 6290 NL80211_CMD_GET_POWER_SAVE);
6265 if (!hdr) { 6291 if (!hdr) {
6266 err = -ENOBUFS; 6292 err = -ENOBUFS;
@@ -6462,7 +6488,7 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
6462 if (!msg) 6488 if (!msg)
6463 return -ENOMEM; 6489 return -ENOMEM;
6464 6490
6465 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 6491 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6466 NL80211_CMD_GET_WOWLAN); 6492 NL80211_CMD_GET_WOWLAN);
6467 if (!hdr) 6493 if (!hdr)
6468 goto nla_put_failure; 6494 goto nla_put_failure;
@@ -6736,10 +6762,10 @@ static int nl80211_register_unexpected_frame(struct sk_buff *skb,
6736 wdev->iftype != NL80211_IFTYPE_P2P_GO) 6762 wdev->iftype != NL80211_IFTYPE_P2P_GO)
6737 return -EINVAL; 6763 return -EINVAL;
6738 6764
6739 if (wdev->ap_unexpected_nlpid) 6765 if (wdev->ap_unexpected_nlportid)
6740 return -EBUSY; 6766 return -EBUSY;
6741 6767
6742 wdev->ap_unexpected_nlpid = info->snd_pid; 6768 wdev->ap_unexpected_nlportid = info->snd_portid;
6743 return 0; 6769 return 0;
6744} 6770}
6745 6771
@@ -6769,7 +6795,7 @@ static int nl80211_probe_client(struct sk_buff *skb,
6769 if (!msg) 6795 if (!msg)
6770 return -ENOMEM; 6796 return -ENOMEM;
6771 6797
6772 hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, 6798 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6773 NL80211_CMD_PROBE_CLIENT); 6799 NL80211_CMD_PROBE_CLIENT);
6774 6800
6775 if (IS_ERR(hdr)) { 6801 if (IS_ERR(hdr)) {
@@ -6804,10 +6830,72 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
6804 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) 6830 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
6805 return -EOPNOTSUPP; 6831 return -EOPNOTSUPP;
6806 6832
6807 if (rdev->ap_beacons_nlpid) 6833 if (rdev->ap_beacons_nlportid)
6808 return -EBUSY; 6834 return -EBUSY;
6809 6835
6810 rdev->ap_beacons_nlpid = info->snd_pid; 6836 rdev->ap_beacons_nlportid = info->snd_portid;
6837
6838 return 0;
6839}
6840
6841static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
6842{
6843 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6844 struct wireless_dev *wdev = info->user_ptr[1];
6845 int err;
6846
6847 if (!rdev->ops->start_p2p_device)
6848 return -EOPNOTSUPP;
6849
6850 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
6851 return -EOPNOTSUPP;
6852
6853 if (wdev->p2p_started)
6854 return 0;
6855
6856 mutex_lock(&rdev->devlist_mtx);
6857 err = cfg80211_can_add_interface(rdev, wdev->iftype);
6858 mutex_unlock(&rdev->devlist_mtx);
6859 if (err)
6860 return err;
6861
6862 err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
6863 if (err)
6864 return err;
6865
6866 wdev->p2p_started = true;
6867 mutex_lock(&rdev->devlist_mtx);
6868 rdev->opencount++;
6869 mutex_unlock(&rdev->devlist_mtx);
6870
6871 return 0;
6872}
6873
6874static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
6875{
6876 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6877 struct wireless_dev *wdev = info->user_ptr[1];
6878
6879 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
6880 return -EOPNOTSUPP;
6881
6882 if (!rdev->ops->stop_p2p_device)
6883 return -EOPNOTSUPP;
6884
6885 if (!wdev->p2p_started)
6886 return 0;
6887
6888 rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
6889 wdev->p2p_started = false;
6890
6891 mutex_lock(&rdev->devlist_mtx);
6892 rdev->opencount--;
6893 mutex_unlock(&rdev->devlist_mtx);
6894
6895 if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
6896 rdev->scan_req->aborted = true;
6897 ___cfg80211_scan_done(rdev, true);
6898 }
6811 6899
6812 return 0; 6900 return 0;
6813} 6901}
@@ -6819,7 +6907,7 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
6819#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ 6907#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6820 NL80211_FLAG_CHECK_NETDEV_UP) 6908 NL80211_FLAG_CHECK_NETDEV_UP)
6821#define NL80211_FLAG_NEED_WDEV 0x10 6909#define NL80211_FLAG_NEED_WDEV 0x10
6822/* If a netdev is associated, it must be UP */ 6910/* If a netdev is associated, it must be UP, P2P must be started */
6823#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ 6911#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
6824 NL80211_FLAG_CHECK_NETDEV_UP) 6912 NL80211_FLAG_CHECK_NETDEV_UP)
6825 6913
@@ -6880,6 +6968,13 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
6880 } 6968 }
6881 6969
6882 dev_hold(dev); 6970 dev_hold(dev);
6971 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
6972 if (!wdev->p2p_started) {
6973 mutex_unlock(&cfg80211_mutex);
6974 if (rtnl)
6975 rtnl_unlock();
6976 return -ENETDOWN;
6977 }
6883 } 6978 }
6884 6979
6885 cfg80211_lock_rdev(rdev); 6980 cfg80211_lock_rdev(rdev);
@@ -7441,7 +7536,22 @@ static struct genl_ops nl80211_ops[] = {
7441 .internal_flags = NL80211_FLAG_NEED_NETDEV | 7536 .internal_flags = NL80211_FLAG_NEED_NETDEV |
7442 NL80211_FLAG_NEED_RTNL, 7537 NL80211_FLAG_NEED_RTNL,
7443 }, 7538 },
7444 7539 {
7540 .cmd = NL80211_CMD_START_P2P_DEVICE,
7541 .doit = nl80211_start_p2p_device,
7542 .policy = nl80211_policy,
7543 .flags = GENL_ADMIN_PERM,
7544 .internal_flags = NL80211_FLAG_NEED_WDEV |
7545 NL80211_FLAG_NEED_RTNL,
7546 },
7547 {
7548 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
7549 .doit = nl80211_stop_p2p_device,
7550 .policy = nl80211_policy,
7551 .flags = GENL_ADMIN_PERM,
7552 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
7553 NL80211_FLAG_NEED_RTNL,
7554 },
7445}; 7555};
7446 7556
7447static struct genl_multicast_group nl80211_mlme_mcgrp = { 7557static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -7520,12 +7630,12 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
7520static int nl80211_send_scan_msg(struct sk_buff *msg, 7630static int nl80211_send_scan_msg(struct sk_buff *msg,
7521 struct cfg80211_registered_device *rdev, 7631 struct cfg80211_registered_device *rdev,
7522 struct wireless_dev *wdev, 7632 struct wireless_dev *wdev,
7523 u32 pid, u32 seq, int flags, 7633 u32 portid, u32 seq, int flags,
7524 u32 cmd) 7634 u32 cmd)
7525{ 7635{
7526 void *hdr; 7636 void *hdr;
7527 7637
7528 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); 7638 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
7529 if (!hdr) 7639 if (!hdr)
7530 return -1; 7640 return -1;
7531 7641
@@ -7549,11 +7659,11 @@ static int
7549nl80211_send_sched_scan_msg(struct sk_buff *msg, 7659nl80211_send_sched_scan_msg(struct sk_buff *msg,
7550 struct cfg80211_registered_device *rdev, 7660 struct cfg80211_registered_device *rdev,
7551 struct net_device *netdev, 7661 struct net_device *netdev,
7552 u32 pid, u32 seq, int flags, u32 cmd) 7662 u32 portid, u32 seq, int flags, u32 cmd)
7553{ 7663{
7554 void *hdr; 7664 void *hdr;
7555 7665
7556 hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); 7666 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
7557 if (!hdr) 7667 if (!hdr)
7558 return -1; 7668 return -1;
7559 7669
@@ -8254,6 +8364,40 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev,
8254 nlmsg_free(msg); 8364 nlmsg_free(msg);
8255} 8365}
8256 8366
8367void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev,
8368 struct net_device *dev, const u8 *mac_addr,
8369 enum nl80211_connect_failed_reason reason,
8370 gfp_t gfp)
8371{
8372 struct sk_buff *msg;
8373 void *hdr;
8374
8375 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
8376 if (!msg)
8377 return;
8378
8379 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
8380 if (!hdr) {
8381 nlmsg_free(msg);
8382 return;
8383 }
8384
8385 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
8386 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
8387 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
8388 goto nla_put_failure;
8389
8390 genlmsg_end(msg, hdr);
8391
8392 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
8393 nl80211_mlme_mcgrp.id, gfp);
8394 return;
8395
8396 nla_put_failure:
8397 genlmsg_cancel(msg, hdr);
8398 nlmsg_free(msg);
8399}
8400
8257static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, 8401static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
8258 const u8 *addr, gfp_t gfp) 8402 const u8 *addr, gfp_t gfp)
8259{ 8403{
@@ -8262,9 +8406,9 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
8262 struct sk_buff *msg; 8406 struct sk_buff *msg;
8263 void *hdr; 8407 void *hdr;
8264 int err; 8408 int err;
8265 u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); 8409 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
8266 8410
8267 if (!nlpid) 8411 if (!nlportid)
8268 return false; 8412 return false;
8269 8413
8270 msg = nlmsg_new(100, gfp); 8414 msg = nlmsg_new(100, gfp);
@@ -8288,7 +8432,7 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
8288 return true; 8432 return true;
8289 } 8433 }
8290 8434
8291 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); 8435 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
8292 return true; 8436 return true;
8293 8437
8294 nla_put_failure: 8438 nla_put_failure:
@@ -8312,7 +8456,7 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev,
8312} 8456}
8313 8457
8314int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, 8458int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
8315 struct wireless_dev *wdev, u32 nlpid, 8459 struct wireless_dev *wdev, u32 nlportid,
8316 int freq, int sig_dbm, 8460 int freq, int sig_dbm,
8317 const u8 *buf, size_t len, gfp_t gfp) 8461 const u8 *buf, size_t len, gfp_t gfp)
8318{ 8462{
@@ -8341,7 +8485,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
8341 8485
8342 genlmsg_end(msg, hdr); 8486 genlmsg_end(msg, hdr);
8343 8487
8344 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); 8488 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
8345 8489
8346 nla_put_failure: 8490 nla_put_failure:
8347 genlmsg_cancel(msg, hdr); 8491 genlmsg_cancel(msg, hdr);
@@ -8696,9 +8840,9 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
8696 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); 8840 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
8697 struct sk_buff *msg; 8841 struct sk_buff *msg;
8698 void *hdr; 8842 void *hdr;
8699 u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); 8843 u32 nlportid = ACCESS_ONCE(rdev->ap_beacons_nlportid);
8700 8844
8701 if (!nlpid) 8845 if (!nlportid)
8702 return; 8846 return;
8703 8847
8704 msg = nlmsg_new(len + 100, gfp); 8848 msg = nlmsg_new(len + 100, gfp);
@@ -8721,7 +8865,7 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
8721 8865
8722 genlmsg_end(msg, hdr); 8866 genlmsg_end(msg, hdr);
8723 8867
8724 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); 8868 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
8725 return; 8869 return;
8726 8870
8727 nla_put_failure: 8871 nla_put_failure:
@@ -8745,9 +8889,9 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
8745 8889
8746 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { 8890 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
8747 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) 8891 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
8748 cfg80211_mlme_unregister_socket(wdev, notify->pid); 8892 cfg80211_mlme_unregister_socket(wdev, notify->portid);
8749 if (rdev->ap_beacons_nlpid == notify->pid) 8893 if (rdev->ap_beacons_nlportid == notify->portid)
8750 rdev->ap_beacons_nlpid = 0; 8894 rdev->ap_beacons_nlportid = 0;
8751 } 8895 }
8752 8896
8753 rcu_read_unlock(); 8897 rcu_read_unlock();
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 18:56:13 -0500