diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2014-02-13 17:16:10 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-02-20 16:08:28 +0100 |
| commit | d9b8396a52b4e857263eeb9e1eba474ea11c19bf (patch) | |
| tree | 5bd7eaea4673b6ea906a64d187f9441653bc6c4f /include/net/cfg80211.h | |
| parent | df942e7ba70cd0a7aa9e0432b8a6a328de2c5574 (diff) | |
cfg80211: document sched_scan_stop synchronous behaviour
Due to userspace assumptions, the sched_scan_stop operation must
be synchronous, i.e. once it returns a new scheduled scan must be
able to start immediately. Document this in the API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index c89a5b5bd103..7c9fe4b05927 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -2206,7 +2206,12 @@ struct cfg80211_qos_map { * @set_cqm_txe_config: Configure connection quality monitor TX error * thresholds. * @sched_scan_start: Tell the driver to start a scheduled scan. - * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. + * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This + * call must stop the scheduled scan and be ready for starting a new one + * before it returns, i.e. @sched_scan_start may be called immediately + * after that again and should not fail in that case. The driver should + * not call cfg80211_sched_scan_stopped() for a requested stop (when this + * method returns 0.) * * @mgmt_frame_register: Notify driver that a management frame type was * registered. Note that this callback may not sleep, and cannot run |