diff options
Diffstat (limited to 'net/wireless/nl80211.c')
| -rw-r--r-- | net/wireless/nl80211.c | 266 |
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) } /* message building helper */ -static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, +static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, int flags, u8 cmd) { /* since there is no private header just add the generic one */ - return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd); + return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); } static int nl80211_msg_put_channel(struct sk_buff *msg, @@ -851,7 +851,7 @@ nla_put_failure: return -ENOBUFS; } -static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, +static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *dev) { void *hdr; @@ -866,7 +866,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, const struct ieee80211_txrx_stypes *mgmt_stypes = dev->wiphy.mgmt_stypes; - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY); + hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); if (!hdr) return -1; @@ -1100,6 +1100,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) goto nla_put_failure; } + CMD(start_p2p_device, START_P2P_DEVICE); #ifdef CONFIG_NL80211_TESTMODE CMD(testmode_cmd, TESTMODE); @@ -1266,7 +1267,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) continue; if (++idx <= start) continue; - if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid, + if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, dev) < 0) { idx--; @@ -1289,7 +1290,7 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - if (nl80211_send_wiphy(msg, info->snd_pid, info->snd_seq, 0, dev) < 0) { + if (nl80211_send_wiphy(msg, info->snd_portid, info->snd_seq, 0, dev) < 0) { nlmsg_free(msg); return -ENOBUFS; } @@ -1735,26 +1736,26 @@ static inline u64 wdev_id(struct wireless_dev *wdev) ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); } -static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, +static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *rdev, struct wireless_dev *wdev) { struct net_device *dev = wdev->netdev; void *hdr; - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); + hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE); if (!hdr) return -1; if (dev && (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || - nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) || - nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr))) + nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) goto nla_put_failure; if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->devlist_generation ^ (cfg80211_rdev_list_generation << 2))) @@ -1806,7 +1807,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * if_idx++; continue; } - if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, + if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, rdev, wdev) < 0) { mutex_unlock(&rdev->devlist_mtx); @@ -1837,7 +1838,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, + if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, dev, wdev) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -2021,8 +2022,10 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(wdev); } - if (type == NL80211_IFTYPE_MESH_POINT && - info->attrs[NL80211_ATTR_MESH_ID]) { + switch (type) { + case NL80211_IFTYPE_MESH_POINT: + if (!info->attrs[NL80211_ATTR_MESH_ID]) + break; wdev_lock(wdev); BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN); @@ -2031,9 +2034,29 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), wdev->mesh_id_up_len); wdev_unlock(wdev); + break; + case NL80211_IFTYPE_P2P_DEVICE: + /* + * P2P Device doesn't have a netdev, so doesn't go + * through the netdev notifier and must be added here + */ + mutex_init(&wdev->mtx); + INIT_LIST_HEAD(&wdev->event_list); + spin_lock_init(&wdev->event_lock); + INIT_LIST_HEAD(&wdev->mgmt_registrations); + spin_lock_init(&wdev->mgmt_registrations_lock); + + mutex_lock(&rdev->devlist_mtx); + wdev->identifier = ++rdev->wdev_id; + list_add_rcu(&wdev->list, &rdev->wdev_list); + rdev->devlist_generation++; + mutex_unlock(&rdev->devlist_mtx); + break; + default: + break; } - if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, + if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, rdev, wdev) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -2168,7 +2191,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_NEW_KEY); if (IS_ERR(hdr)) return PTR_ERR(hdr); @@ -2746,7 +2769,7 @@ nla_put_failure: return false; } -static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, +static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *rdev, struct net_device *dev, @@ -2755,7 +2778,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, void *hdr; struct nlattr *sinfoattr, *bss_param; - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); if (!hdr) return -1; @@ -2908,7 +2931,7 @@ static int nl80211_dump_station(struct sk_buff *skb, goto out_err; if (nl80211_send_station(skb, - NETLINK_CB(cb->skb).pid, + NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, dev, netdev, mac_addr, &sinfo) < 0) @@ -2954,7 +2977,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, + if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0, rdev, dev, mac_addr, &sinfo) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -3280,7 +3303,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) return rdev->ops->del_station(&rdev->wiphy, dev, mac_addr); } -static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, +static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct net_device *dev, u8 *dst, u8 *next_hop, struct mpath_info *pinfo) @@ -3288,7 +3311,7 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, void *hdr; struct nlattr *pinfoattr; - hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION); if (!hdr) return -1; @@ -3366,7 +3389,7 @@ static int nl80211_dump_mpath(struct sk_buff *skb, if (err) goto out_err; - if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, + if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, netdev, dst, next_hop, &pinfo) < 0) @@ -3415,7 +3438,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, + if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, dev, dst, next_hop, &pinfo) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -3656,7 +3679,7 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_GET_MESH_CONFIG); if (!hdr) goto out; @@ -3975,7 +3998,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) goto out; } - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_GET_REG); if (!hdr) goto put_failure; @@ -4593,7 +4616,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, ASSERT_WDEV_LOCK(wdev); - hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags, + hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, NL80211_CMD_NEW_SCAN_RESULTS); if (!hdr) return -1; @@ -4712,14 +4735,14 @@ static int nl80211_dump_scan(struct sk_buff *skb, return skb->len; } -static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq, +static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct net_device *dev, struct survey_info *survey) { void *hdr; struct nlattr *infoattr; - hdr = nl80211hdr_put(msg, pid, seq, flags, + hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_SURVEY_RESULTS); if (!hdr) return -ENOMEM; @@ -4813,7 +4836,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, } if (nl80211_send_survey(skb, - NETLINK_CB(cb->skb).pid, + NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, netdev, &survey) < 0) @@ -5428,7 +5451,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb, } while (1) { - void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid, + void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, NL80211_CMD_TESTMODE); struct nlattr *tmdata; @@ -5468,7 +5491,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb, static struct sk_buff * __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, - int approxlen, u32 pid, u32 seq, gfp_t gfp) + int approxlen, u32 portid, u32 seq, gfp_t gfp) { struct sk_buff *skb; void *hdr; @@ -5478,7 +5501,7 @@ __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, if (!skb) return NULL; - hdr = nl80211hdr_put(skb, pid, seq, 0, NL80211_CMD_TESTMODE); + hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); if (!hdr) { kfree_skb(skb); return NULL; @@ -5508,7 +5531,7 @@ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, return NULL; return __cfg80211_testmode_alloc_skb(rdev, approxlen, - rdev->testmode_info->snd_pid, + rdev->testmode_info->snd_portid, rdev->testmode_info->snd_seq, GFP_KERNEL); } @@ -5846,7 +5869,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_REMAIN_ON_CHANNEL); if (IS_ERR(hdr)) { @@ -6055,6 +6078,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_P2P_DEVICE: break; default: return -EOPNOTSUPP; @@ -6064,7 +6088,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->mgmt_tx) return -EOPNOTSUPP; - return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type, + return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); } @@ -6101,6 +6125,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_P2P_DEVICE: break; default: return -EOPNOTSUPP; @@ -6144,7 +6169,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_FRAME); if (IS_ERR(hdr)) { @@ -6197,6 +6222,7 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_P2P_DEVICE: break; default: return -EOPNOTSUPP; @@ -6260,7 +6286,7 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_GET_POWER_SAVE); if (!hdr) { err = -ENOBUFS; @@ -6462,7 +6488,7 @@ static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_GET_WOWLAN); if (!hdr) goto nla_put_failure; @@ -6736,10 +6762,10 @@ static int nl80211_register_unexpected_frame(struct sk_buff *skb, wdev->iftype != NL80211_IFTYPE_P2P_GO) return -EINVAL; - if (wdev->ap_unexpected_nlpid) + if (wdev->ap_unexpected_nlportid) return -EBUSY; - wdev->ap_unexpected_nlpid = info->snd_pid; + wdev->ap_unexpected_nlportid = info->snd_portid; return 0; } @@ -6769,7 +6795,7 @@ static int nl80211_probe_client(struct sk_buff *skb, if (!msg) return -ENOMEM; - hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, + hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_PROBE_CLIENT); if (IS_ERR(hdr)) { @@ -6804,10 +6830,72 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) return -EOPNOTSUPP; - if (rdev->ap_beacons_nlpid) + if (rdev->ap_beacons_nlportid) return -EBUSY; - rdev->ap_beacons_nlpid = info->snd_pid; + rdev->ap_beacons_nlportid = info->snd_portid; + + return 0; +} + +static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct wireless_dev *wdev = info->user_ptr[1]; + int err; + + if (!rdev->ops->start_p2p_device) + return -EOPNOTSUPP; + + if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) + return -EOPNOTSUPP; + + if (wdev->p2p_started) + return 0; + + mutex_lock(&rdev->devlist_mtx); + err = cfg80211_can_add_interface(rdev, wdev->iftype); + mutex_unlock(&rdev->devlist_mtx); + if (err) + return err; + + err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev); + if (err) + return err; + + wdev->p2p_started = true; + mutex_lock(&rdev->devlist_mtx); + rdev->opencount++; + mutex_unlock(&rdev->devlist_mtx); + + return 0; +} + +static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct wireless_dev *wdev = info->user_ptr[1]; + + if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) + return -EOPNOTSUPP; + + if (!rdev->ops->stop_p2p_device) + return -EOPNOTSUPP; + + if (!wdev->p2p_started) + return 0; + + rdev->ops->stop_p2p_device(&rdev->wiphy, wdev); + wdev->p2p_started = false; + + mutex_lock(&rdev->devlist_mtx); + rdev->opencount--; + mutex_unlock(&rdev->devlist_mtx); + + if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) { + rdev->scan_req->aborted = true; + ___cfg80211_scan_done(rdev, true); + } return 0; } @@ -6819,7 +6907,7 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ NL80211_FLAG_CHECK_NETDEV_UP) #define NL80211_FLAG_NEED_WDEV 0x10 -/* If a netdev is associated, it must be UP */ +/* If a netdev is associated, it must be UP, P2P must be started */ #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ NL80211_FLAG_CHECK_NETDEV_UP) @@ -6880,6 +6968,13 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, } dev_hold(dev); + } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) { + if (!wdev->p2p_started) { + mutex_unlock(&cfg80211_mutex); + if (rtnl) + rtnl_unlock(); + return -ENETDOWN; + } } cfg80211_lock_rdev(rdev); @@ -7441,7 +7536,22 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, - + { + .cmd = NL80211_CMD_START_P2P_DEVICE, + .doit = nl80211_start_p2p_device, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WDEV | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_STOP_P2P_DEVICE, + .doit = nl80211_stop_p2p_device, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { @@ -7520,12 +7630,12 @@ static int nl80211_add_scan_req(struct sk_buff *msg, static int nl80211_send_scan_msg(struct sk_buff *msg, struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, - u32 pid, u32 seq, int flags, + u32 portid, u32 seq, int flags, u32 cmd) { void *hdr; - hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); + hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); if (!hdr) return -1; @@ -7549,11 +7659,11 @@ static int nl80211_send_sched_scan_msg(struct sk_buff *msg, struct cfg80211_registered_device *rdev, struct net_device *netdev, - u32 pid, u32 seq, int flags, u32 cmd) + u32 portid, u32 seq, int flags, u32 cmd) { void *hdr; - hdr = nl80211hdr_put(msg, pid, seq, flags, cmd); + hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); if (!hdr) return -1; @@ -8254,6 +8364,40 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, nlmsg_free(msg); } +void nl80211_send_conn_failed_event(struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *mac_addr, + enum nl80211_connect_failed_reason reason, + gfp_t gfp) +{ + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); + if (!hdr) { + nlmsg_free(msg); + return; + } + + if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || + nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} + static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, const u8 *addr, gfp_t gfp) { @@ -8262,9 +8406,9 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, struct sk_buff *msg; void *hdr; int err; - u32 nlpid = ACCESS_ONCE(wdev->ap_unexpected_nlpid); + u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); - if (!nlpid) + if (!nlportid) return false; msg = nlmsg_new(100, gfp); @@ -8288,7 +8432,7 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, return true; } - genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); + genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); return true; nla_put_failure: @@ -8312,7 +8456,7 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev, } int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, u32 nlpid, + struct wireless_dev *wdev, u32 nlportid, int freq, int sig_dbm, const u8 *buf, size_t len, gfp_t gfp) { @@ -8341,7 +8485,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); + return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); nla_put_failure: genlmsg_cancel(msg, hdr); @@ -8696,9 +8840,9 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); struct sk_buff *msg; void *hdr; - u32 nlpid = ACCESS_ONCE(rdev->ap_beacons_nlpid); + u32 nlportid = ACCESS_ONCE(rdev->ap_beacons_nlportid); - if (!nlpid) + if (!nlportid) return; msg = nlmsg_new(len + 100, gfp); @@ -8721,7 +8865,7 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, genlmsg_end(msg, hdr); - genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlpid); + genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); return; nla_put_failure: @@ -8745,9 +8889,9 @@ static int nl80211_netlink_notify(struct notifier_block * nb, list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) - cfg80211_mlme_unregister_socket(wdev, notify->pid); - if (rdev->ap_beacons_nlpid == notify->pid) - rdev->ap_beacons_nlpid = 0; + cfg80211_mlme_unregister_socket(wdev, notify->portid); + if (rdev->ap_beacons_nlportid == notify->portid) + rdev->ap_beacons_nlportid = 0; } rcu_read_unlock(); |