diff options
| author |   Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2014-10-17 07:40:21 +0530 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2014-10-27 14:16:16 -0400 |
| commit | 26103b8d1da2117b3995f431f90e9bfb9ee3d7ec (patch) | |
| tree | d4db19d29d9b23fdc39aae170fc0bd8c74c270fc /drivers/net/wireless/ath/ath9k | |
| parent | ath9k: Fix address management (diff) | |
| download | linux-dev-26103b8d1da2117b3995f431f90e9bfb9ee3d7ec.tar.xz linux-dev-26103b8d1da2117b3995f431f90e9bfb9ee3d7ec.zip | |
ath9k: Add a function to check for an active GO
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')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/channel.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 9e92cb2145bc..8f6f46c8f070 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -469,6 +469,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force); void ath_offchannel_next(struct ath_softc *sc); void ath_scan_complete(struct ath_softc *sc, bool abort); void ath_roc_complete(struct ath_softc *sc, bool abort); +struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); #else diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 9c4f872c6e27..2066b0950235 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -146,6 +146,36 @@ void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx, #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT +/*************/ +/* Utilities */ +/*************/ + +struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc) +{ + struct ath_chanctx *ctx; + struct ath_vif *avp; + struct ieee80211_vif *vif; + + spin_lock_bh(&sc->chan_lock); + + ath_for_each_chanctx(sc, ctx) { + if (!ctx->active) + continue; + + list_for_each_entry(avp, &ctx->vifs, list) { + vif = avp->vif; + + if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_P2P_GO) { + spin_unlock_bh(&sc->chan_lock); + return ctx; + } + } + } + + spin_unlock_bh(&sc->chan_lock); + return NULL; +} + /**********************************************************/ /* Functions to handle the channel context state machine. */ /**********************************************************/ |