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mac80211: call driver method when restart completes

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When the driver requests a restart (reconfiguration) it
gets all the normal method calls, but can't really tell
why they're happening. Call a new restart_complete op
in the driver when the restart completes, so it could
keep its own state about the restart and clear it there.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-11-06 19:18:13 +01:00
parent 60762cbfeb
commit 9214ad7f9a
4 changed files with 24 additions and 1 deletions
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6
include/net/mac80211.h
View File

@ -2400,6 +2400,10 @@ enum ieee80211_rate_control_changed {
* just "paused" for scanning/ROC, which is indicated by the beacon being
* disabled/enabled via @bss_info_changed.
* @stop_ap: Stop operation on the AP interface.
*
* @restart_complete: Called after a call to ieee80211_restart_hw(), when the
* reconfiguration has completed. This can help the driver implement the
* reconfiguration step. This callback may sleep.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@ -2561,6 +2565,8 @@ struct ieee80211_ops {
void (*unassign_vif_chanctx)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx);
void (*restart_complete)(struct ieee80211_hw *hw);
};
/**

10
net/mac80211/driver-ops.h
View File

@ -961,4 +961,14 @@ static inline void drv_stop_ap(struct ieee80211_local *local,
trace_drv_return_void(local);
}
static inline void drv_restart_complete(struct ieee80211_local *local)
{
might_sleep();
trace_drv_restart_complete(local);
if (local->ops->restart_complete)
local->ops->restart_complete(&local->hw);
trace_drv_return_void(local);
}
#endif /* __MAC80211_DRIVER_OPS */

5
net/mac80211/trace.h
View File

@ -1411,6 +1411,11 @@ DEFINE_EVENT(local_sdata_evt, drv_stop_ap,
TP_ARGS(local, sdata)
);
DEFINE_EVENT(local_only_evt, drv_restart_complete,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local)
);
/*
* Tracing for API calls that drivers call.
*/

4
net/mac80211/util.c
View File

@ -1599,8 +1599,10 @@ int ieee80211_reconfig(struct ieee80211_local *local)
* If this is for hw restart things are still running.
* We may want to change that later, however.
*/
if (!local->suspended)
if (!local->suspended) {
drv_restart_complete(local);
return 0;
}
#ifdef CONFIG_PM
/* first set suspended false, then resuming */