diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 38 | ||||
| -rw-r--r-- | net/wireless/trace.h | 17 |
2 files changed, 55 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index bfa5d7428a3f..71da0d506502 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -17064,6 +17064,44 @@ static void nl80211_send_remain_on_chan_event( nlmsg_free(msg); } +void cfg80211_assoc_comeback(struct net_device *netdev, + struct cfg80211_bss *bss, u32 timeout) +{ + struct wireless_dev *wdev = netdev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct sk_buff *msg; + void *hdr; + + trace_cfg80211_assoc_comeback(wdev, bss->bssid, timeout); + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ASSOC_COMEBACK); + if (!hdr) { + nlmsg_free(msg); + return; + } + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bss->bssid) || + nla_put_u32(msg, NL80211_ATTR_TIMEOUT, timeout)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, GFP_KERNEL); + return; + + nla_put_failure: + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_assoc_comeback); + void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, unsigned int duration, gfp_t gfp) diff --git a/net/wireless/trace.h b/net/wireless/trace.h index e854d52db1a6..01710f0c8a03 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -3696,6 +3696,23 @@ TRACE_EVENT(rdev_set_radar_offchan, WIPHY_PR_ARG, CHAN_DEF_PR_ARG) ); +TRACE_EVENT(cfg80211_assoc_comeback, + TP_PROTO(struct wireless_dev *wdev, const u8 *bssid, u32 timeout), + TP_ARGS(wdev, bssid, timeout), + TP_STRUCT__entry( + WDEV_ENTRY + MAC_ENTRY(bssid) + __field(u32, timeout) + ), + TP_fast_assign( + WDEV_ASSIGN; + MAC_ASSIGN(bssid, bssid); + __entry->timeout = timeout; + ), + TP_printk(WDEV_PR_FMT ", " MAC_PR_FMT ", timeout: %u TUs", + WDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->timeout) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH |