* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (c) 2018 - 2021 Intel Corporation
+ * Copyright (c) 2018 - 2022 Intel Corporation
*/
#ifndef __LINUX_IEEE80211_H
#define IEEE80211_STYPE_ACTION 0x00D0
/* control */
+#define IEEE80211_STYPE_TRIGGER 0x0020
#define IEEE80211_STYPE_CTL_EXT 0x0060
#define IEEE80211_STYPE_BACK_REQ 0x0080
#define IEEE80211_STYPE_BACK 0x0090
#define IEEE80211_HT_CTL_LEN 4
+/* trigger type within common_info of trigger frame */
+#define IEEE80211_TRIGGER_TYPE_MASK 0xf
+#define IEEE80211_TRIGGER_TYPE_BASIC 0x0
+#define IEEE80211_TRIGGER_TYPE_BFRP 0x1
+#define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
+#define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
+#define IEEE80211_TRIGGER_TYPE_BSRP 0x4
+#define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
+#define IEEE80211_TRIGGER_TYPE_BQRP 0x6
+#define IEEE80211_TRIGGER_TYPE_NFRP 0x7
+
struct ieee80211_hdr {
__le16 frame_control;
__le16 duration_id;
__le16 qos_ctrl;
} __packed __aligned(2);
+struct ieee80211_trigger {
+ __le16 frame_control;
+ __le16 duration;
+ u8 ra[6];
+ u8 ta[6];
+ __le64 common_info;
+ u8 variable[];
+} __packed __aligned(2);
+
/**
* ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
* @fc: frame control bytes in little-endian byteorder
return hdrlen;
}
+/**
+ * ieee80211_is_trigger - check if frame is trigger frame
+ * @fc: frame control field in little-endian byteorder
+ */
+static inline bool ieee80211_is_trigger(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
+}
+
/**
* ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
* @fc: frame control bytes in little-endian byteorder
#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
+#define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
+#define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
struct ieee80211_addba_ext_ie {
u8 data;
__le16 auth_transaction;
__le16 status_code;
/* possibly followed by Challenge text */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) auth;
struct {
__le16 reason_code;
__le16 capab_info;
__le16 listen_interval;
/* followed by SSID and Supported rates */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) assoc_req;
struct {
__le16 capab_info;
__le16 status_code;
__le16 aid;
/* followed by Supported rates */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) assoc_resp, reassoc_resp;
struct {
__le16 capab_info;
__le16 status_code;
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
struct {
__le16 capab_info;
__le16 listen_interval;
u8 current_ap[6];
/* followed by SSID and Supported rates */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) reassoc_req;
struct {
__le16 reason_code;
__le16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params, TIM */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) beacon;
struct {
/* only variable items: SSID, Supported rates */
- u8 variable[0];
+ DECLARE_FLEX_ARRAY(u8, variable);
} __packed __aligned(4) probe_req;
struct {
__le64 timestamp;
__le16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params */
- u8 variable[0];
+ u8 variable[];
} __packed __aligned(4) probe_resp;
struct {
u8 category;
u8 action_code;
u8 dialog_token;
u8 status_code;
- u8 variable[0];
+ u8 variable[];
} __packed wme_action;
struct{
u8 action_code;
- u8 variable[0];
+ u8 variable[];
} __packed chan_switch;
struct{
u8 action_code;
struct ieee80211_ext_chansw_ie data;
- u8 variable[0];
+ u8 variable[];
} __packed ext_chan_switch;
struct{
u8 action_code;
__le16 timeout;
__le16 start_seq_num;
/* followed by BA Extension */
- u8 variable[0];
+ u8 variable[];
} __packed addba_req;
struct{
u8 action_code;
} __packed delba;
struct {
u8 action_code;
- u8 variable[0];
+ u8 variable[];
} __packed self_prot;
struct{
u8 action_code;
- u8 variable[0];
+ u8 variable[];
} __packed mesh_action;
struct {
u8 action;
u8 toa[6];
__le16 tod_error;
__le16 toa_error;
- u8 variable[0];
+ u8 variable[];
} __packed ftm;
struct {
u8 action_code;
* A-MPDU buffer sizes
* According to HT size varies from 8 to 64 frames
* HE adds the ability to have up to 256 frames.
+ * EHT adds the ability to have up to 1K frames.
*/
#define IEEE80211_MIN_AMPDU_BUF 0x8
#define IEEE80211_MAX_AMPDU_BUF_HT 0x40
-#define IEEE80211_MAX_AMPDU_BUF 0x100
+#define IEEE80211_MAX_AMPDU_BUF_HE 0x100
+#define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
/* Spatial Multiplexing Power Save Modes (for capability) */
struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
} __packed;
+#define IEEE80211_EHT_MCS_NSS_RX 0x0f
+#define IEEE80211_EHT_MCS_NSS_TX 0xf0
+
+/**
+ * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
+ * supported NSS for per MCS.
+ *
+ * For each field below, bits 0 - 3 indicate the maximal number of spatial
+ * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
+ * for Tx.
+ *
+ * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 0 - 7.
+ * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 8 - 9.
+ * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 10 - 11.
+ * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 12 - 13.
+ */
+struct ieee80211_eht_mcs_nss_supp_20mhz_only {
+ u8 rx_tx_mcs7_max_nss;
+ u8 rx_tx_mcs9_max_nss;
+ u8 rx_tx_mcs11_max_nss;
+ u8 rx_tx_mcs13_max_nss;
+};
+
+/**
+ * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
+ * 20MHz only stations).
+ *
+ * For each field below, bits 0 - 3 indicate the maximal number of spatial
+ * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
+ * for Tx.
+ *
+ * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 0 - 9.
+ * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 10 - 11.
+ * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
+ * supported for reception and the maximum number of spatial streams
+ * supported for transmission for MCS 12 - 13.
+ */
+struct ieee80211_eht_mcs_nss_supp_bw {
+ u8 rx_tx_mcs9_max_nss;
+ u8 rx_tx_mcs11_max_nss;
+ u8 rx_tx_mcs13_max_nss;
+};
+
+/**
+ * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
+ *
+ * This structure is the "EHT Capabilities element" fixed fields as
+ * described in P802.11be_D1.4 section 9.4.2.313.
+ *
+ * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
+ * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
+ */
+struct ieee80211_eht_cap_elem_fixed {
+ u8 mac_cap_info[2];
+ u8 phy_cap_info[9];
+} __packed;
+
+/**
+ * struct ieee80211_eht_cap_elem - EHT capabilities element
+ * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
+ * @optional: optional parts
+ */
+struct ieee80211_eht_cap_elem {
+ struct ieee80211_eht_cap_elem_fixed fixed;
+
+ /*
+ * Followed by:
+ * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
+ * EHT PPE Thresholds field: variable length.
+ */
+ u8 optional[];
+} __packed;
+
+/**
+ * struct ieee80211_eht_operation - eht operation element
+ *
+ * This structure is the "EHT Operation Element" fields as
+ * described in P802.11be_D1.4 section 9.4.2.311
+ *
+ * FIXME: The spec is unclear how big the fields are, and doesn't
+ * indicate the "Disabled Subchannel Bitmap Present" in the
+ * structure (Figure 9-1002a) at all ...
+ */
+struct ieee80211_eht_operation {
+ u8 chan_width;
+ u8 ccfs;
+ u8 present_bm;
+
+ u8 disable_subchannel_bitmap[];
+} __packed;
+
+#define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x1
+
/* 802.11ac VHT Capabilities */
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
+#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
+
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
-#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
-#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
-#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
-#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
-#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
+#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
#define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
#define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
+#define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
/*
* Calculate 802.11ax HE capabilities IE PPE field size
return n;
}
+static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
+{
+ const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
+ u8 needed = sizeof(*he_cap_ie_elem);
+
+ if (len < needed)
+ return false;
+
+ needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
+ if (len < needed)
+ return false;
+
+ if (he_cap_ie_elem->phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ if (len < needed + 1)
+ return false;
+ needed += ieee80211_he_ppe_size(data[needed],
+ he_cap_ie_elem->phy_cap_info);
+ }
+
+ return len >= needed;
+}
+
/* HE Operation defines */
#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
#define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
static inline u8
ieee80211_he_oper_size(const u8 *he_oper_ie)
{
- struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
+ const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
u8 oper_len = sizeof(struct ieee80211_he_operation);
u32 he_oper_params;
static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
{
- const u8 *ret = (void *)&he_oper->optional;
+ const u8 *ret = (const void *)&he_oper->optional;
u32 he_oper_params;
if (!he_oper)
if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
ret++;
- return (void *)ret;
+ return (const void *)ret;
}
/* HE Spatial Reuse defines */
static inline u8
ieee80211_he_spr_size(const u8 *he_spr_ie)
{
- struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
+ const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
u8 spr_len = sizeof(struct ieee80211_he_spr);
u8 he_spr_params;
#define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
#define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
+/* EHT MAC capabilities as defined in P802.11be_D1.4 section 9.4.2.313.2 */
+#define IEEE80211_EHT_MAC_CAP0_NSEP_PRIO_ACCESS 0x01
+#define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
+#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
+#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
+#define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
+#define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
+#define IEEE80211_EHT_MAC_CAP0_MAX_AMPDU_LEN_MASK 0xc0
+#define IEEE80211_EHT_MAC_CAP0_MAX_AMPDU_LEN_3895 0
+#define IEEE80211_EHT_MAC_CAP0_MAX_AMPDU_LEN_7991 1
+#define IEEE80211_EHT_MAC_CAP0_MAX_AMPDU_LEN_11454 2
+
+/* EHT PHY capabilities as defined in P802.11be_D1.4 section 9.4.2.313.3 */
+#define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
+#define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
+#define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
+#define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
+#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
+#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
+
+/* EHT beamformee number of spatial streams <= 80MHz is split */
+#define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
+#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
+
+#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
+#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
+
+#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
+#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
+
+/* EHT number of sounding dimensions for 320MHz is split */
+#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
+#define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
+#define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
+#define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
+#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
+#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
+#define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
+#define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
+#define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
+
+#define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
+#define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
+#define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
+#define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
+#define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
+
+#define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
+#define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
+#define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
+#define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
+#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
+#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
+#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
+#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
+#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
+
+/* Maximum number of supported EHT LTF is split */
+#define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
+#define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
+
+#define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
+#define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
+
+#define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
+#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
+#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
+#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
+#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
+#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
+#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
+#define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
+
+#define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
+#define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
+
+/*
+ * EHT operation channel width as defined in P802.11be_D1.4 section 9.4.2.311
+ */
+#define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
+#define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
+#define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
+#define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
+#define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
+#define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
+
+/* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
+static inline u8
+ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
+ const struct ieee80211_eht_cap_elem_fixed *eht_cap)
+{
+ u8 count = 0;
+
+ /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
+ if (he_cap->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
+ return 3;
+
+ /* on 2.4 GHz, these three bits are reserved, so should be 0 */
+ if (he_cap->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
+ count += 3;
+
+ if (he_cap->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
+ count += 3;
+
+ if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
+ count += 3;
+
+ return count ? count : 4;
+}
+
+/* 802.11be EHT PPE Thresholds */
+#define IEEE80211_EHT_PPE_THRES_NSS_POS 0
+#define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
+#define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
+#define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
+#define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
+
+/*
+ * Calculate 802.11be EHT capabilities IE EHT field size
+ */
+static inline u8
+ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
+{
+ u32 n;
+
+ if (!(phy_cap_info[5] &
+ IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
+ return 0;
+
+ n = hweight16(ppe_thres_hdr &
+ IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
+ n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
+
+ /*
+ * Each pair is 6 bits, and we need to add the 9 "header" bits to the
+ * total size.
+ */
+ n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
+ IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
+ return DIV_ROUND_UP(n, 8);
+}
+
+static inline bool
+ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len)
+{
+ const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
+ u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
+
+ if (len < needed || !he_capa)
+ return false;
+
+ needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
+ (const void *)data);
+ if (len < needed)
+ return false;
+
+ if (elem->phy_cap_info[5] &
+ IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
+ u16 ppe_thres_hdr;
+
+ if (len < needed + sizeof(ppe_thres_hdr))
+ return false;
+
+ ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
+ needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
+ elem->phy_cap_info);
+ }
+
+ return len >= needed;
+}
+
+static inline bool
+ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
+{
+ const struct ieee80211_eht_operation *elem = (const void *)data;
+ u8 needed = sizeof(*elem);
+
+ if (len < needed)
+ return false;
+
+ if (elem->present_bm & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
+ needed += 2;
+
+ return len >= needed;
+}
#define LISTEN_INT_USF GENMASK(15, 14)
#define LISTEN_INT_UI GENMASK(13, 0)
WLAN_EID_EXT_SHORT_SSID_LIST = 58,
WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
+ WLAN_EID_EXT_EHT_OPERATION = 106,
+ WLAN_EID_EXT_EHT_MULTI_LINK = 107,
+ WLAN_EID_EXT_EHT_CAPABILITY = 108,
};
/* Action category code */
#define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
struct ieee80211_neighbor_ap_info {
- u8 tbtt_info_hdr;
- u8 tbtt_info_len;
- u8 op_class;
- u8 channel;
+ u8 tbtt_info_hdr;
+ u8 tbtt_info_len;
+ u8 op_class;
+ u8 channel;
} __packed;
enum ieee80211_range_params_max_total_ltf {
IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
};
+/* multi-link device */
+#define IEEE80211_MLD_MAX_NUM_LINKS 15
+
#endif /* __LINUX_IEEE80211_H */
projects / carl9170fw.git / blobdiff