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ath10k: check power save support in STA mode through FW IE 

Currently ath10k host enables power save support in station mode by
default for all firmwares but Power save for station mode still not supported
in some of the firmware versions. Which results in firmware crash while
issueing multiple scan commands.

Fix this problem by introducing new FW feature flag to check power save
support in firmware and then the firmware image can tell to ath10k that power
save mode is not supported in station mode.

Signed-off-by: Venkateswara Naralasetty <vnaralas@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Venkateswara Naralasetty 2017-10-04 12:22:57 +03:00 committed by Kalle Valo
parent 96378bd2c6
commit 36d9cdb6fb
3 changed files with 11 additions and 2 deletions
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1
drivers/net/wireless/ath/ath10k/core.c
View File

@ -377,6 +377,7 @@ static const char *const ath10k_core_fw_feature_str[] = {
[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
[ATH10K_FW_FEATURE_NO_PS] = "no-ps",
};
static unsigned int ath10k_core_get_fw_feature_str(char *buf,

3
drivers/net/wireless/ath/ath10k/core.h
View File

@ -612,6 +612,9 @@ enum ath10k_fw_features {
*/
ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16,
/* Firmware does not support power save in station mode. */
ATH10K_FW_FEATURE_NO_PS = 17,
/* keep last */
ATH10K_FW_FEATURE_COUNT,
};

9
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -8146,8 +8146,13 @@ int ath10k_mac_register(struct ath10k *ar)
BIT(NL80211_IFTYPE_P2P_GO);
ieee80211_hw_set(ar->hw, SIGNAL_DBM);
ieee80211_hw_set(ar->hw, SUPPORTS_PS);
ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
if (!test_bit(ATH10K_FW_FEATURE_NO_PS,
ar->running_fw->fw_file.fw_features)) {
ieee80211_hw_set(ar->hw, SUPPORTS_PS);
ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
}
ieee80211_hw_set(ar->hw, MFP_CAPABLE);
ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);