diff options
| author | Jouni Malinen <jouni.malinen@atheros.com> | 2009-03-03 19:23:35 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-05 14:39:46 -0500 |
| commit | 18eb62f87a8d1dc6ed8a01a52e6b2b1600802608 (patch) | |
| tree | bda7a8dd1e47d8e85311e0e8e033e7deef30350e /drivers | |
| parent | 465ca84d95deeab37b7c3b10b2cb96b3fa07a891 (diff) | |
ath9k: Pause other virtual wiphys on channel change
For now, allow channel changes immediately and just force the other
virtual wiphys to paused state. This is needed to allow
mac80211-controlled scan to control channel changes.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath9k/ath9k.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/virtual.c | 24 |
3 files changed, 33 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h index cb9cb723248..24373d395e4 100644 --- a/drivers/net/wireless/ath9k/ath9k.h +++ b/drivers/net/wireless/ath9k/ath9k.h @@ -710,5 +710,7 @@ int ath9k_wiphy_unpause(struct ath_wiphy *aphy); int ath9k_wiphy_select(struct ath_wiphy *aphy); void ath9k_wiphy_chan_work(struct work_struct *work); bool ath9k_wiphy_started(struct ath_softc *sc); +void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, + struct ath_wiphy *selected); #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 7c20da3862a..9b5f2149365 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -2343,7 +2343,13 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) aphy->chan_is_ht = conf_is_ht(conf); /* TODO: do not change operation channel immediately if there - * are other virtual wiphys that use another channel */ + * are other virtual wiphys that use another channel. For now, + * we do the change immediately to allow mac80211-operated scan + * to work. Once the scan operation is moved into ath9k, we can + * just move the current aphy in PAUSED state if the channel is + * changed into something different from the current operation + * channel. */ + ath9k_wiphy_pause_all_forced(sc, aphy); DPRINTF(sc, ATH_DBG_CONFIG, "Set channel: %d MHz\n", curchan->center_freq); diff --git a/drivers/net/wireless/ath9k/virtual.c b/drivers/net/wireless/ath9k/virtual.c index b66aa24d318..6122f48f25f 100644 --- a/drivers/net/wireless/ath9k/virtual.c +++ b/drivers/net/wireless/ath9k/virtual.c @@ -496,3 +496,27 @@ bool ath9k_wiphy_started(struct ath_softc *sc) spin_unlock_bh(&sc->wiphy_lock); return false; } + +static void ath9k_wiphy_pause_chan(struct ath_wiphy *aphy, + struct ath_wiphy *selected) +{ + if (aphy->chan_idx == selected->chan_idx) + return; + aphy->state = ATH_WIPHY_PAUSED; + ieee80211_stop_queues(aphy->hw); +} + +void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, + struct ath_wiphy *selected) +{ + int i; + spin_lock_bh(&sc->wiphy_lock); + if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) + ath9k_wiphy_pause_chan(sc->pri_wiphy, selected); + for (i = 0; i < sc->num_sec_wiphy; i++) { + if (sc->sec_wiphy[i] && + sc->sec_wiphy[i]->state == ATH_WIPHY_ACTIVE) + ath9k_wiphy_pause_chan(sc->sec_wiphy[i], selected); + } + spin_unlock_bh(&sc->wiphy_lock); +} |