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iwlwifi: mvm: Add and examine TLV flag for P2P client uAPSD support
Current firmware doesn't handle well uAPSD in P2P Client. When it will be fixed, the firmware will set a TLV flag to notify the driver that uAPSD is supported in P2P client mode. Check this flag when sending power command for P2P client. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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2 changed files with 6 additions and 0 deletions
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@ -94,6 +94,7 @@
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* containing CAM (Continuous Active Mode) indication.
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* @IWL_UCODE_TLV_FLAGS_P2P_PS: P2P client power save is supported (only on a
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* single bound interface).
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* @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
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*/
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enum iwl_ucode_tlv_flag {
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IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
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@ -117,6 +118,7 @@ enum iwl_ucode_tlv_flag {
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IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD = BIT(20),
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IWL_UCODE_TLV_FLAGS_P2P_PS = BIT(21),
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IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT = BIT(24),
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IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD = BIT(26),
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};
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/* The default calibrate table size if not specified by firmware file */
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@ -358,6 +358,10 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
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if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
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ETH_ALEN))
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allow_uapsd = false;
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if (vif->p2p &&
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!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
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allow_uapsd = false;
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/*
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* Avoid using uAPSD if P2P client is associated to GO that uses
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* opportunistic power save. This is due to current FW limitation.
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