From 557b56d523d597a415ddfa27860259fcc835356c Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 13 Jun 2023 15:57:14 +0300 Subject: [PATCH] wifi: iwlwifi: mvm: support U-SIG EHT validate checks Support new firmware that can validate the validate bits in sniffer mode, and advertise that fact and the result of the checks in the U-SIG radiotap field. Signed-off-by: Johannes Berg Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230613155501.c20480aa1171.Icc0d077dae01d662ccb948823e196aa9c5c87976@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/fw/api/rx.h | 2 +- drivers/net/wireless/intel/iwlwifi/fw/file.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 9 +++++++++ include/net/ieee80211_radiotap.h | 2 ++ 4 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h index 67af922..25e2e23 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h @@ -292,7 +292,7 @@ enum iwl_rx_phy_he_data0 { /* TSF overload low dword */ enum iwl_rx_phy_eht_data0 { /* info type: EHT any */ - /* 1 bits reserved */ + IWL_RX_PHY_DATA0_EHT_VALIDATE = BIT(0), IWL_RX_PHY_DATA0_EHT_UPLINK = BIT(1), IWL_RX_PHY_DATA0_EHT_BSS_COLOR_MASK = 0x000000fc, IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK = 0x00000f00, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index a78b68c..1a4f7c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -467,6 +467,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_PPAG_CHINA_BIOS_SUPPORT = (__force iwl_ucode_tlv_capa_t)112, IWL_UCODE_TLV_CAPA_OFFLOAD_REJ_BTM_SUPPORT = (__force iwl_ucode_tlv_capa_t)113, IWL_UCODE_TLV_CAPA_STA_EXP_MFP_SUPPORT = (__force iwl_ucode_tlv_capa_t)114, + IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT = (__force iwl_ucode_tlv_capa_t)116, #ifdef __CHECKER__ /* sparse says it cannot increment the previous enum member */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 89ab440..70db4fe 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -1773,6 +1773,15 @@ static void iwl_mvm_decode_eht_phy_data(struct iwl_mvm *mvm, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR); } + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_SNIFF_VALIDATE_SUPPORT)) { + usig->common |= + cpu_to_le32(IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED); + usig->common |= + LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_EHT_VALIDATE, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK); + } + eht->known |= cpu_to_le32(IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE); eht->data[0] |= LE32_DEC_ENC(data0, IWL_RX_PHY_DATA0_ETH_SPATIAL_REUSE_MASK, diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index f980a72..c4722a9 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -535,6 +535,8 @@ enum ieee80211_radiotap_eht_usig_common { IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN = 0x00000008, IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN = 0x00000010, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC = 0x00000020, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED = 0x00000040, + IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK = 0x00000080, IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER = 0x00007000, IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW = 0x00038000, IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL = 0x00040000, -- 2.7.4