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wl1271: prevent power save entry while not associated 

The mac80211 sometimes requests power save entry while not associated - this
will cause problems, so prevent it if not associated. Go to powersave once
association is complete.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-12-11 15:41:00 +02:00 коммит произвёл John W. Linville
Родитель 13f2dc52c6
Коммит af5e084b32
2 изменённых файлов: 9 добавлений и 3 удалений
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1
drivers/net/wireless/wl12xx/wl1271.h
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@ -416,6 +416,7 @@ struct wl1271 {
/* PSM mode requested */
bool psm_requested;
bool associated;
/* retry counter for PSM entries */
u8 psm_entry_retry;

11
drivers/net/wireless/wl12xx/wl1271_main.c
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@ -978,6 +978,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->elp = false;
wl->psm = 0;
wl->psm_entry_retry = 0;
wl->associated = false;
wl->tx_queue_stopped = false;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->tx_blocks_available = 0;
@ -1191,8 +1192,6 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
wl1271_join_channel(wl, channel);
if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
wl1271_info("psm enabled");
wl->psm_requested = true;
/*
@ -1200,7 +1199,10 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
* If we're not, we'll enter it when joining an SSID,
* through the bss_info_changed() hook.
*/
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
if (wl->associated) {
wl1271_info("psm enabled");
ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
}
} else if (!(conf->flags & IEEE80211_CONF_PS) &&
wl->psm_requested) {
wl1271_info("psm disabled");
@ -1548,6 +1550,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
wl->aid = bss_conf->aid;
wl->associated = true;
/*
* with wl1271, we don't need to update the
@ -1572,6 +1575,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
}
} else {
/* use defaults when not associated */
wl->associated = false;
wl->aid = 0;
}
@ -1898,6 +1902,7 @@ static int __devinit wl1271_probe(struct spi_device *spi)
wl->psm = 0;
wl->psm_requested = false;
wl->psm_entry_retry = 0;
wl->associated = false;
wl->tx_queue_stopped = false;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC;