From: Gregory Greenman <gregory.greenman@xxxxxxxxx> [ Upstream commit 18c0ffb404db2093b6afdc8ae15f18ba3975e1ed ] Add support for Extra EHT LTF defined in 9.4.2.313 EHT Capabilities element. Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx> Link: https://lore.kernel.org/r/20230613155501.de019d7cc174.I806f0f6042b89274192701a60b4f7900822db666@changeid Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Stable-dep-of: f91295987576 ("wifi: iwlwifi: mvm: correctly access HE/EHT sband capa") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/fw/api/rs.h | 2 ++ .../net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 2 ++ drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 15 +++++++++++++++ include/linux/ieee80211.h | 1 + 4 files changed, 20 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h index c9a48fc5fac88..a1a272433b09b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h @@ -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), }; /** diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 7dcb1c3ab7282..be0eb69f2248a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -975,6 +975,8 @@ 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)) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index f72d1ca3cfedc..8a5341c37aa21 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -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)) { diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index c4cf296e7eafe..141c0cf65f2d9 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -2856,6 +2856,7 @@ 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 -- 2.39.2
