diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2015-02-13 13:30:15 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2015-03-04 15:38:35 +0200 |
| commit | 0a987fb0069e83be32bb21e07d335d2a3d7e7f5e (patch) | |
| tree | f20759a368979f70e3cf229b1029c54f0945e47f | |
| parent | c8c60cfd18e1ddf8f1b9ef76a49d7d1b08ea7a2d (diff) | |
| download | lwn-0a987fb0069e83be32bb21e07d335d2a3d7e7f5e.tar.gz lwn-0a987fb0069e83be32bb21e07d335d2a3d7e7f5e.zip | |
ath10k: workaround qca6174 sta powersave issue
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>
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.h | 3 |
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f9c1507478ea..943e8909ea82 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1922,6 +1922,18 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw, } 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, diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 28c1822af6cf..adf935bf0580 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4445,7 +4445,8 @@ enum wmi_peer_param { WMI_PEER_AUTHORIZE = 0x3, WMI_PEER_CHAN_WIDTH = 0x4, 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 { |