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ath10k: workaround qca6174 sta powersave issue

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qca6184 WLAN.RM.2.0-00073 has a bug in sta
powersave state machine and requires peer param to
be poked to enable the powersave.

Calling this unconditionally should be safe for
other chips/firmwares.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2015-02-13 13:30:15 +01:00 • committed by Kalle Valo
parent c8c60cfd18
commit 0a987fb006
2 changed files with 14 additions and 1 deletions
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12
drivers/net/wireless/ath/ath10k/mac.c
View file

@ -1922,6 +1922,18 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw,
} }
arvif->is_up = true; arvif->is_up = true;
/* Workaround: Some firmware revisions (tested with qca6174
* WLAN.RM.2.0-00073) have buggy powersave state machine and must be
* poked with peer param command.
*/
ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
WMI_PEER_DUMMY_VAR, 1);
if (ret) {
ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
arvif->bssid, arvif->vdev_id, ret);
return;
}
} }
static void ath10k_bss_disassoc(struct ieee80211_hw *hw, static void ath10k_bss_disassoc(struct ieee80211_hw *hw,

3
drivers/net/wireless/ath/ath10k/wmi.h
View file

@ -4445,7 +4445,8 @@ enum wmi_peer_param {
WMI_PEER_AUTHORIZE = 0x3, WMI_PEER_AUTHORIZE = 0x3,
WMI_PEER_CHAN_WIDTH = 0x4, WMI_PEER_CHAN_WIDTH = 0x4,
WMI_PEER_NSS = 0x5, WMI_PEER_NSS = 0x5,
WMI_PEER_USE_4ADDR = 0x6 WMI_PEER_USE_4ADDR = 0x6,
WMI_PEER_DUMMY_VAR = 0xff, /* dummy parameter for STA PS workaround */
}; };
struct wmi_peer_set_param_cmd { struct wmi_peer_set_param_cmd {