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 <[email protected]> --- drivers/net/wireless/ath/ath10k/mac.c | 12 ++++++++++++ drivers/net/wireless/ath/ath10k/wmi.h | 3 ++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index d6d2f0f..8ed0ba6 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1853,6 +1853,18 @@ 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 20ce360..c56de92 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4436,7 +4436,8 @@ 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 { -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
