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iwlwifi: rs-fw: support dcm 

Add flags to the tlc_cfg_cmd for signaling peer support for receiving
Dual Carrier Modulation at BPSK (MCS 0), and set them according to peer
capabilities.

Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Naftali Goldstein 2018-05-01 14:40:44 +03:00 committed by Luca Coelho
parent 3e467b8e4c
commit 423584dd80
2 changed files with 18 additions and 0 deletions
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8
drivers/net/wireless/intel/iwlwifi/fw/api/rs.h
View File

@ -71,11 +71,19 @@
* @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC
* @IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK: enable STBC in HE at 160MHz
* bandwidth
* @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK: enable HE Dual Carrier Modulation
* for BPSK (MCS 0) with 1 spatial
* stream
* @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK: enable HE Dual Carrier Modulation
* for BPSK (MCS 0) with 2 spatial
* streams
*/
enum iwl_tlc_mng_cfg_flags {
IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0),
IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK = BIT(1),
IWL_TLC_MNG_CFG_FLAGS_HE_STBC_160MHZ_MSK = BIT(2),
IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK = BIT(3),
IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK = BIT(4),
};
/**

10
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
View File

@ -143,6 +143,16 @@ static u16 rs_fw_set_config_flags(struct iwl_mvm *mvm,
(vht_ena && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC))))
flags |= IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK;
if (he_cap && he_cap->has_he &&
(he_cap->he_cap_elem.phy_cap_info[3] &
IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK)) {
flags |= IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_1_MSK;
if (he_cap->he_cap_elem.phy_cap_info[3] &
IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2)
flags |= IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK;
}
return flags;
}