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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>
This commit is contained in:
Alexander Bondar 2013-11-12 14:47:59 +02:00 committed by Emmanuel Grumbach
parent 128cb89e1d
commit 752096727c
2 changed files with 6 additions and 0 deletions
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2
drivers/net/wireless/iwlwifi/iwl-fw.h
View File

@ -94,6 +94,7 @@
* containing CAM (Continuous Active Mode) indication.
* @IWL_UCODE_TLV_FLAGS_P2P_PS: P2P client power save is supported (only on a
* single bound interface).
* @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
*/
enum iwl_ucode_tlv_flag {
IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
@ -117,6 +118,7 @@ enum iwl_ucode_tlv_flag {
IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD = BIT(20),
IWL_UCODE_TLV_FLAGS_P2P_PS = BIT(21),
IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT = BIT(24),
IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD = BIT(26),
};
/* The default calibrate table size if not specified by firmware file */

4
drivers/net/wireless/iwlwifi/mvm/power.c
View File

@ -358,6 +358,10 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
ETH_ALEN))
allow_uapsd = false;
if (vif->p2p &&
!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
allow_uapsd = false;
/*
* Avoid using uAPSD if P2P client is associated to GO that uses
* opportunistic power save. This is due to current FW limitation.