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nl80211/cfg80211: add channel switch command

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To allow channel switch announcements within beacons, add
the channel switch command to nl80211/cfg80211. This is
implementation is intended for AP and (later) IBSS mode.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Simon Wunderlich
2013-07-11 16:09:05 +02:00
committed by Johannes Berg
parent 7cf1f14ecf
commit 16ef1fe272
5 changed files with 229 additions and 1 deletions
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33
net/wireless/trace.h
View File

@@ -1841,6 +1841,39 @@ TRACE_EVENT(rdev_crit_proto_stop,
WIPHY_PR_ARG, WDEV_PR_ARG)
);
TRACE_EVENT(rdev_channel_switch,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
struct cfg80211_csa_settings *params),
TP_ARGS(wiphy, netdev, params),
TP_STRUCT__entry(
WIPHY_ENTRY
NETDEV_ENTRY
CHAN_DEF_ENTRY
__field(u16, counter_offset_beacon)
__field(u16, counter_offset_presp)
__field(bool, radar_required)
__field(bool, block_tx)
__field(u8, count)
),
TP_fast_assign(
WIPHY_ASSIGN;
NETDEV_ASSIGN;
CHAN_DEF_ASSIGN(&params->chandef);
__entry->counter_offset_beacon = params->counter_offset_beacon;
__entry->counter_offset_presp = params->counter_offset_presp;
__entry->radar_required = params->radar_required;
__entry->block_tx = params->block_tx;
__entry->count = params->count;
),
TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT
", block_tx: %d, count: %u, radar_required: %d"
", counter offsets (beacon/presp): %u/%u",
WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG,
__entry->block_tx, __entry->count, __entry->radar_required,
__entry->counter_offset_beacon,
__entry->counter_offset_presp)
);
/*************************************************************
* cfg80211 exported functions traces *
*************************************************************/