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ath9k: Implement hw_scan support

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Implement hw_scan support for enabling multi-channel cuncurrency.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2014-06-11 16:17:55 +05:30
committed by John W. Linville
parent c083ce9980
commit 78b2194971
6 changed files with 255 additions and 2 deletions
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24
drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -35,6 +35,7 @@ extern struct ieee80211_ops ath9k_ops;
extern int ath9k_modparam_nohwcrypt;
extern int led_blink;
extern bool is_ath9k_unloaded;
extern int ath9k_use_chanctx;
/*************************/
/* Descriptor Management */
@@ -332,12 +333,34 @@ struct ath_chanctx {
bool active;
};
enum ath_offchannel_state {
ATH_OFFCHANNEL_IDLE,
ATH_OFFCHANNEL_PROBE_SEND,
ATH_OFFCHANNEL_PROBE_WAIT,
ATH_OFFCHANNEL_SUSPEND,
};
struct ath_offchannel {
struct ath_chanctx chan;
struct timer_list timer;
struct cfg80211_scan_request *scan_req;
struct ieee80211_vif *scan_vif;
int scan_idx;
enum ath_offchannel_state state;
};
void ath9k_fill_chanctx_ops(void);
void ath_chanctx_init(struct ath_softc *sc);
void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
struct cfg80211_chan_def *chandef);
void ath_chanctx_switch(struct ath_softc *sc, struct ath_chanctx *ctx,
struct cfg80211_chan_def *chandef);
void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
void ath_offchannel_timer(unsigned long data);
void ath_offchannel_channel_change(struct ath_softc *sc);
void ath_chanctx_offchan_switch(struct ath_softc *sc,
struct ieee80211_channel *chan);
struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc);
int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
int ath_startrecv(struct ath_softc *sc);
@@ -771,6 +794,7 @@ struct ath_softc {
struct ath_chanctx *cur_chan;
struct ath_chanctx *next_chan;
spinlock_t chan_lock;
struct ath_offchannel offchannel;
#ifdef CONFIG_MAC80211_LEDS
bool led_registered;