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From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Fri, 17 Oct 2014 07:40:21 +0530
Subject: [PATCH] ath9k: Add a function to check for an active GO
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
--- 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_sof
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
--- 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_
#ifdef CPTCFG_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. */
/**********************************************************/
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