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| author | Luciano Coelho <luciano.coelho@intel.com> | 2014-11-07 13:31:35 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-11-10 10:20:14 +0100 |
| commit | f8d7552e945d38bd8d2e9c23aebf98042ce12302 (patch) | |
| tree | 40592740dd326c8a2ebe6818f91d2b823852ca1c /net/wireless/trace.h | |
| parent | mac80211: add device_timestamp to the drv_pre_channel_switch trace (diff) | |
| download | linux-f8d7552e945d38bd8d2e9c23aebf98042ce12302.tar.xz linux-f8d7552e945d38bd8d2e9c23aebf98042ce12302.zip | |
cfg80211: add channel switch started notification
Add a new NL80211_CH_SWITCH_STARTED_NOTIFY message that can be sent to
the userspace when a channel switch process has started. This allows
userspace to take action, for instance, by requesting other interfaces
to switch channel as necessary.
This patch introduces a function that allows the drivers to send this
notification. It should be used when the driver starts processing a
channel switch initiated by a remote device (eg. when a STA receives a
CSA from the AP) and when it successfully starts a userspace-triggered
channel switch (eg. when hostapd triggers a channel swith in the AP).
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/trace.h')
| -rw-r--r-- | net/wireless/trace.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 277a85df910e..6e25370d3ce7 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2355,6 +2355,22 @@ TRACE_EVENT(cfg80211_ch_switch_notify, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); +TRACE_EVENT(cfg80211_ch_switch_started_notify, + TP_PROTO(struct net_device *netdev, + struct cfg80211_chan_def *chandef), + TP_ARGS(netdev, chandef), + TP_STRUCT__entry( + NETDEV_ENTRY + CHAN_DEF_ENTRY + ), + TP_fast_assign( + NETDEV_ASSIGN; + CHAN_DEF_ASSIGN(chandef); + ), + TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, + NETDEV_PR_ARG, CHAN_DEF_PR_ARG) +); + TRACE_EVENT(cfg80211_radar_event, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, chandef), |