From:   gregory.greenman@intel.com
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Mordechay Goodstein <mordechay.goodstein@intel.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH v2 22/23] wifi: ieee80211_radiotap: Add EHT radiotap definitions
Date:   Wed,  1 Mar 2023 12:09:34 +0200
Message-Id: <20230301115906.254b19fffe41.I4ce78e2c558da6e5a708a8d68d61b5d7b3eb3746@changeid>
In-Reply-To: <20230301100935.170922-1-gregory.greenman@intel.com>
References: <20230301100935.170922-1-gregory.greenman@intel.com>
MIME-Version: 1.0
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From: Mordechay Goodstein <mordechay.goodstein@intel.com>

This is based on https://www.radiotap.org/fields/EHT.html and
https://www.radiotap.org/fields/U-SIG.html new EHT TLV
definition for 11be standard.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 include/net/ieee80211_radiotap.h | 187 ++++++++++++++++++++++++++++++-
 1 file changed, 185 insertions(+), 2 deletions(-)

diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 598f53d2a3a0..0fc2667a9a5d 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2017		Intel Deutschland GmbH
- * Copyright (c) 2018-2019, 2021 Intel Corporation
+ * Copyright (c) 2018-2019, 2021-2022 Intel Corporation
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -82,11 +82,14 @@ enum ieee80211_radiotap_presence {
 	IEEE80211_RADIOTAP_HE_MU = 24,
 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26,
 	IEEE80211_RADIOTAP_LSIG = 27,
+	IEEE80211_RADIOTAP_TLV = 28,
 
 	/* valid in every it_present bitmap, even vendor namespaces */
 	IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
 	IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
-	IEEE80211_RADIOTAP_EXT = 31
+	IEEE80211_RADIOTAP_EXT = 31,
+	IEEE80211_RADIOTAP_EHT_USIG = 33,
+	IEEE80211_RADIOTAP_EHT = 34,
 };
 
 /* for IEEE80211_RADIOTAP_FLAGS */
@@ -360,6 +363,186 @@ enum ieee80211_radiotap_zero_len_psdu_type {
 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR			= 0xff,
 };
 
+struct ieee80211_radiotap_tlv {
+	__le16 type;
+	__le16 len;
+	u8 data[];
+} __packed;
+
+/* ieee80211_radiotap_eht_usig - content of U-SIG tlv (type 33)
+ * see www.radiotap.org/fields/U-SIG.html for details
+ */
+struct ieee80211_radiotap_eht_usig {
+	__le32 common;
+	__le32 value;
+	__le32 mask;
+} __packed;
+
+/* ieee80211_radiotap_eht - content of EHT tlv (type 34)
+ * see www.radiotap.org/fields/EHT.html for details
+ */
+struct ieee80211_radiotap_eht {
+	__le32 known;
+	__le32 data[9];
+	__le32 user_info[];
+} __packed;
+
+/* Known field for EHT TLV
+ * The ending defines for what the field applies as following
+ * O - OFDMA (including TB), M - MU-MIMO, S - EHT sounding.
+ */
+enum ieee80211_radiotap_eht_known {
+	IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE		= 0x00000002,
+	IEEE80211_RADIOTAP_EHT_KNOWN_GI				= 0x00000004,
+	IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF			= 0x00000010,
+	IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM		= 0x00000020,
+	IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM		= 0x00000040,
+	IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM		= 0x00000080,
+	IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_O		= 0x00000100,
+	IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_S		= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_KNOWN_CRC1			= 0x00002000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_TAIL1			= 0x00004000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_CRC2_O			= 0x00008000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_TAIL2_O			= 0x00010000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S			= 0x00020000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S		= 0x00040000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_CRC_M	= 0x00100000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_TAIL_M	= 0x00200000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_SIZE_OM		= 0x00400000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_INDEX_OM		= 0x00800000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT		= 0x01000000,
+	IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80			= 0x02000000,
+};
+
+enum ieee80211_radiotap_eht_data {
+	/* Data 0 */
+	IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE		= 0x00000078,
+	IEEE80211_RADIOTAP_EHT_DATA0_GI				= 0x00000180,
+	IEEE80211_RADIOTAP_EHT_DATA0_LTF			= 0x00000600,
+	IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF			= 0x00003800,
+	IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM		= 0x00004000,
+	IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM		= 0x00018000,
+	IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM		= 0x00020000,
+	IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_S		= 0x000c0000,
+	IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_O		= 0x003c0000,
+	IEEE80211_RADIOTAP_EHT_DATA0_CRC1_O			= 0x03c00000,
+	IEEE80211_RADIOTAP_EHT_DATA0_TAIL1_O			= 0xfc000000,
+	/* Data 1 */
+	IEEE80211_RADIOTAP_EHT_DATA1_RU_SIZE			= 0x0000001f,
+	IEEE80211_RADIOTAP_EHT_DATA1_RU_INDEX			= 0x00001fe0,
+	IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1		= 0x003fe000,
+	IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1_KNOWN	= 0x00400000,
+	IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80			= 0xc0000000,
+	/* Data 2 */
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1		= 0x000001ff,
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1_KNOWN	= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2		= 0x0007fc00,
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2_KNOWN	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2		= 0x1ff00000,
+	IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2_KNOWN	= 0x20000000,
+	/* Data 3 */
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1		= 0x000001ff,
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1_KNOWN	= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1		= 0x0007fc00,
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1_KNOWN	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2		= 0x1ff00000,
+	IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2_KNOWN	= 0x20000000,
+	/* Data 4 */
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2		= 0x000001ff,
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2_KNOWN	= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3		= 0x0007fc00,
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3_KNOWN	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3		= 0x1ff00000,
+	IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3_KNOWN	= 0x20000000,
+	/* Data 5 */
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4		= 0x000001ff,
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4_KNOWN	= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4		= 0x0007fc00,
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4_KNOWN	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5		= 0x1ff00000,
+	IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5_KNOWN	= 0x20000000,
+	/* Data 6 */
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5		= 0x000001ff,
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5_KNOWN	= 0x00000200,
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6		= 0x0007fc00,
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6_KNOWN	= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6		= 0x1ff00000,
+	IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6_KNOWN	= 0x20000000,
+	/* Data 7 */
+	IEEE80211_RADIOTAP_EHT_DATA7_CRC2_O			= 0x0000000f,
+	IEEE80211_RADIOTAP_EHT_DATA7_TAIL_2_O			= 0x000003f0,
+	IEEE80211_RADIOTAP_EHT_DATA7_NSS_S			= 0x0000f000,
+	IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S		= 0x00010000,
+	IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS	= 0x000e0000,
+	IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_CRC	= 0x00f00000,
+	IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_TAIL	= 0x3f000000,
+	/* Data 8 */
+	IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160	= 0x00000001,
+	IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0		= 0x00000002,
+	IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1	= 0x000001fc,
+};
+
+enum ieee80211_radiotap_eht_user_info {
+	IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN		= 0x00000001,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN		= 0x00000002,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN		= 0x00000004,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O		= 0x00000010,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O	= 0x00000020,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_KNOWN_M	= 0x00000040,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER		= 0x00000080,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID			= 0x0007ff00,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_CODING			= 0x00080000,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_MCS			= 0x00f00000,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O			= 0x0f000000,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O		= 0x20000000,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_M	= 0x3f000000,
+	IEEE80211_RADIOTAP_EHT_USER_INFO_RESEVED_c0000000	= 0xc0000000,
+};
+
+enum ieee80211_radiotap_eht_usig_common {
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN	= 0x00000001,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN		= 0x00000002,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN		= 0x00000004,
+	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_PHY_VER		= 0x00007000,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW			= 0x00038000,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL		= 0x00040000,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR		= 0x01f80000,
+	IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP			= 0xfe000000,
+};
+
+enum ieee80211_radiotap_eht_usig_mu {
+	/* MU-USIG-1 */
+	IEEE80211_RADIOTAP_EHT_USIG1_MU_B20_B24_DISREGARD	= 0x0000001f,
+	IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE		= 0x00000020,
+	/* MU-USIG-2 */
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE		= 0x000000c0,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE		= 0x00000100,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO	= 0x00003e00,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE		= 0x00004000,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS		= 0x00018000,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS = 0x003e0000,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC		= 0x03c00000,
+	IEEE80211_RADIOTAP_EHT_USIG2_MU_B20_B25_TAIL		= 0xfc000000,
+};
+
+enum ieee80211_radiotap_eht_usig_tb {
+	/* TB-USIG-1 */
+	IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD	= 0x0000001f,
+
+	/* TB-USIG-2 */
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE		= 0x000000c0,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE		= 0x00000100,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1	= 0x00001e00,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2	= 0x0001e000,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD	= 0x003e0000,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC		= 0x03c00000,
+	IEEE80211_RADIOTAP_EHT_USIG2_TB_B20_B25_TAIL		= 0xfc000000,
+};
+
 /**
  * ieee80211_get_radiotap_len - get radiotap header length
  */
-- 
2.38.1