diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2014-10-17 07:40:17 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-10-27 14:16:15 -0400 |
| commit | 290c8a77e8a9c719bbb11862138e76c9c1dfda61 (patch) | |
| tree | a6603832c7e66cac0a534d02e76c2740893bc432 /drivers/net/wireless/ath/ath9k/channel.c | |
| parent | 67259d51dfea82f824699db4458bacb2124cb074 (diff) | |
ath9k: Fix offchannel flush timeout
An offchannel operation also needs to have
a flush timeout that doesn't exceed the NoA
absence duration of a GO context, so use
channel_switch_time. The first offchannel
operation is set a flush timeout of 10ms since
channel_switch_time will be zero.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/channel.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/channel.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 7e518aad37ea..abc3e2e77ba6 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -207,6 +207,26 @@ void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx) if (!ctx) return; + if (ctx == &sc->offchannel.chan) { + spin_lock_bh(&sc->chan_lock); + + if (likely(sc->sched.channel_switch_time)) + ctx->flush_timeout = + usecs_to_jiffies(sc->sched.channel_switch_time); + else + ctx->flush_timeout = + msecs_to_jiffies(10); + + spin_unlock_bh(&sc->chan_lock); + + /* + * There is no need to iterate over the + * active/assigned channel contexts if + * the current context is offchannel. + */ + return; + } + ictx = ctx; list_for_each_entry(avp, &ctx->vifs, list) { |