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wifi: iwlwifi: mvm: add support for Extra EHT LTF

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Add support for Extra EHT LTF defined in 9.4.2.313
EHT Capabilities element.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.de019d7cc174.I806f0f6042b89274192701a60b4f7900822db666@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Gregory Greenman 2023-06-13 15:57:19 +03:00 committed by Johannes Berg
parent d51439a6d7
commit 18c0ffb404
4 changed files with 20 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlwifi/fw/api/rs.h
View File

@ -21,6 +21,7 @@
* @IWL_TLC_MNG_CFG_FLAGS_HE_DCM_NSS_2_MSK: enable HE Dual Carrier Modulation
* for BPSK (MCS 0) with 2 spatial
* streams
* @IWL_TLC_MNG_CFG_FLAGS_EHT_EXTRA_LTF_MSK: enable support for EHT extra LTF
*/
enum iwl_tlc_mng_cfg_flags {
IWL_TLC_MNG_CFG_FLAGS_STBC_MSK = BIT(0),
@ -28,6 +29,7 @@ enum iwl_tlc_mng_cfg_flags {
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),
IWL_TLC_MNG_CFG_FLAGS_EHT_EXTRA_LTF_MSK = BIT(6),
};
/**

2
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View File

@ -1012,6 +1012,8 @@ iwl_nvm_fixup_sband_iftd(struct iwl_trans *trans,
iftype_data->eht_cap.eht_cap_elem.phy_cap_info[6] &=
~(IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK |
IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP);
iftype_data->eht_cap.eht_cap_elem.phy_cap_info[5] |=
IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF;
}
if (fw_has_capa(&fw->ucode_capa, IWL_UCODE_TLV_CAPA_BROADCAST_TWT))

15
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
View File

@ -591,6 +591,21 @@ void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *mvm,
int cmd_ver;
int ret;
/* Enable external EHT LTF only for GL device and if there's
* mutual support by AP and client
*/
if (CSR_HW_REV_TYPE(mvm->trans->hw_rev) == IWL_CFG_MAC_TYPE_GL &&
sband->iftype_data->eht_cap.has_eht &&
sband->iftype_data->eht_cap.eht_cap_elem.phy_cap_info[5] &
IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF &&
link_sta->eht_cap.has_eht &&
link_sta->eht_cap.eht_cap_elem.phy_cap_info[5] &
IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF) {
IWL_DEBUG_RATE(mvm, "Set support for Extra EHT LTF\n");
cfg_cmd.flags |=
cpu_to_le16(IWL_TLC_MNG_CFG_FLAGS_EHT_EXTRA_LTF_MSK);
}
rcu_read_lock();
mvm_link_sta = rcu_dereference(mvmsta->link[link_id]);
if (WARN_ON_ONCE(!mvm_link_sta)) {

1
include/linux/ieee80211.h
View File

@ -2859,6 +2859,7 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
/* Maximum number of supported EHT LTF is split */
#define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
#define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
#define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
#define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78