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ath5k: enable Power-Save Polls by setting the association ID

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mac80211 has long provided us the association ID. This isn't useful except
for Power-Save polling which now gets enabled. We can now poll for our
pending frames on the AP during power save.

You can review the details of Power-Save on the wireless wiki:

http://wireless.kernel.org/en/developers/Documentation/ieee80211/power-savings

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-10-06 20:44:34 -04:00 committed by John W. Linville
parent a3f86bff1c
commit 8ce54c5a5f
2 changed files with 9 additions and 3 deletions
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11
drivers/net/wireless/ath/ath5k/base.c
View file

@ -3211,8 +3211,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
if (changes & BSS_CHANGED_BSSID) {
/* Cache for later use during resets */
memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
/* XXX: assoc id is set to 0 for now, mac80211 doesn't have
* a clean way of letting us retrieve this yet. */
common->curaid = 0;
ath5k_hw_set_associd(ah);
mmiowb();
}
@ -3226,6 +3225,14 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
set_beacon_filter(hw, sc->assoc);
ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
AR5K_LED_ASSOC : AR5K_LED_INIT);
if (bss_conf->assoc) {
ATH5K_DBG(sc, ATH5K_DEBUG_ANY,
"Bss Info ASSOC %d, bssid: %pM\n",
bss_conf->aid, common->curbssid);
common->curaid = bss_conf->aid;
ath5k_hw_set_associd(ah);
/* Once ANI is available you would start it here */
}
}
if (changes & BSS_CHANGED_BEACON) {

1
drivers/net/wireless/ath/ath5k/reset.c
View file

@ -1187,7 +1187,6 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
*/
/* Restore bssid and bssid mask */
/* XXX: add ah->aid once mac80211 gives this to us */
ath5k_hw_set_associd(ah);
/* Set PCU config */