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Commit 7de992d7 authored by Venkateswara Naralasetty's avatar Venkateswara Naralasetty Committed by Gerrit - the friendly Code Review server
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UPSTREAM: 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: default avatarVenkateswara Naralasetty <vnaralas@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
Git-commit: 36d9cdb6
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git


Change-Id: Ia60d5e75d86d47d1a3f38135f2f26d6f87e2b426
Signed-off-by: default avatarDundi Raviteja <dundi@codeaurora.org>
parent 897f636e

drivers/net/wireless/ath/ath10k/core.c

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/ath/ath10k/core.h

+3 −0
Original line number Diff line number Diff line
@@ -610,6 +610,9 @@ 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,

};

drivers/net/wireless/ath/ath10k/mac.c

+7 −2
Original line number Diff line number Diff line
@@ -8231,8 +8231,13 @@ int ath10k_mac_register(struct ath10k *ar) 
			BIT(NL80211_IFTYPE_P2P_GO);



	ieee80211_hw_set(ar->hw, SIGNAL_DBM);



	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);