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iwlwifi: mvm: let the firmware choose the antenna for beacons 

The firmware knows better what antenna to choose.
Old firmware still need the setting, so use a flag to know
if the driver should choose the antenna or if the firmware
can do it iself.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2015-12-13 09:35:30 +02:00
parent 006bda75d8
commit 1e3c3c3529
2 changed files with 9 additions and 3 deletions
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3
drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h
View File

@ -309,6 +309,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t;
* @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement
* @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts
* @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT
* @IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION: firmware will decide on what
* antenna the beacon should be transmitted
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
@ -336,6 +338,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE = (__force iwl_ucode_tlv_capa_t)64,
IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS = (__force iwl_ucode_tlv_capa_t)65,
IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT = (__force iwl_ucode_tlv_capa_t)67,
IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION = (__force iwl_ucode_tlv_capa_t)71,
NUM_IWL_UCODE_TLV_CAPA
#ifdef __CHECKER__

9
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -1012,9 +1012,12 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm,
TX_CMD_FLG_BT_PRIO_POS;
beacon_cmd.tx.tx_flags = cpu_to_le32(tx_flags);
mvm->mgmt_last_antenna_idx =
iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->mgmt_last_antenna_idx);
if (!fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION)) {
mvm->mgmt_last_antenna_idx =
iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->mgmt_last_antenna_idx);
}
beacon_cmd.tx.rate_n_flags =
cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) <<