diff options
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 271 |
1 files changed, 249 insertions, 22 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 05dedc45505c..ce377f7fb912 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -111,6 +111,8 @@ /* bits unique to S1G beacon */ #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 +#define IEEE80211_S1G_BCN_CSSID 0x200 +#define IEEE80211_S1G_BCN_ANO 0x400 /* see 802.11ah-2016 9.9 NDP CMAC frames */ #define IEEE80211_S1G_1MHZ_NDP_BITS 25 @@ -153,9 +155,6 @@ #define IEEE80211_ANO_NETTYPE_WILD 15 -/* bits unique to S1G beacon */ -#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 - /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ #define IEEE80211_CTL_EXT_POLL 0x2000 #define IEEE80211_CTL_EXT_SPR 0x3000 @@ -628,6 +627,42 @@ static inline bool ieee80211_is_s1g_beacon(__le16 fc) } /** + * ieee80211_s1g_has_next_tbtt - check if IEEE80211_S1G_BCN_NEXT_TBTT + * @fc: frame control bytes in little-endian byteorder + * Return: whether or not the frame contains the variable-length + * next TBTT field + */ +static inline bool ieee80211_s1g_has_next_tbtt(__le16 fc) +{ + return ieee80211_is_s1g_beacon(fc) && + (fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT)); +} + +/** + * ieee80211_s1g_has_ano - check if IEEE80211_S1G_BCN_ANO + * @fc: frame control bytes in little-endian byteorder + * Return: whether or not the frame contains the variable-length + * ANO field + */ +static inline bool ieee80211_s1g_has_ano(__le16 fc) +{ + return ieee80211_is_s1g_beacon(fc) && + (fc & cpu_to_le16(IEEE80211_S1G_BCN_ANO)); +} + +/** + * ieee80211_s1g_has_cssid - check if IEEE80211_S1G_BCN_CSSID + * @fc: frame control bytes in little-endian byteorder + * Return: whether or not the frame contains the variable-length + * compressed SSID field + */ +static inline bool ieee80211_s1g_has_cssid(__le16 fc) +{ + return ieee80211_is_s1g_beacon(fc) && + (fc & cpu_to_le16(IEEE80211_S1G_BCN_CSSID)); +} + +/** * ieee80211_is_s1g_short_beacon - check if frame is an S1G short beacon * @fc: frame control bytes in little-endian byteorder * Return: whether or not the frame is an S1G short beacon, @@ -1245,16 +1280,40 @@ struct ieee80211_ext { u8 change_seq; u8 variable[0]; } __packed s1g_beacon; - struct { - u8 sa[ETH_ALEN]; - __le32 timestamp; - u8 change_seq; - u8 next_tbtt[3]; - u8 variable[0]; - } __packed s1g_short_beacon; } u; } __packed __aligned(2); +/** + * ieee80211_s1g_optional_len - determine length of optional S1G beacon fields + * @fc: frame control bytes in little-endian byteorder + * Return: total length in bytes of the optional fixed-length fields + * + * S1G beacons may contain up to three optional fixed-length fields that + * precede the variable-length elements. Whether these fields are present + * is indicated by flags in the frame control field. + * + * From IEEE 802.11-2024 section 9.3.4.3: + * - Next TBTT field may be 0 or 3 bytes + * - Short SSID field may be 0 or 4 bytes + * - Access Network Options (ANO) field may be 0 or 1 byte + */ +static inline size_t +ieee80211_s1g_optional_len(__le16 fc) +{ + size_t len = 0; + + if (ieee80211_s1g_has_next_tbtt(fc)) + len += 3; + + if (ieee80211_s1g_has_cssid(fc)) + len += 4; + + if (ieee80211_s1g_has_ano(fc)) + len += 1; + + return len; +} + #define IEEE80211_TWT_CONTROL_NDP BIT(0) #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1) #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) @@ -1526,12 +1585,27 @@ struct ieee80211_mgmt { struct { u8 action_code; u8 dialog_token; - u8 status_code; + __le16 status_code; u8 variable[]; } __packed ttlm_res; struct { u8 action_code; } __packed ttlm_tear_down; + struct { + u8 action_code; + u8 dialog_token; + u8 variable[]; + } __packed ml_reconf_req; + struct { + u8 action_code; + u8 dialog_token; + u8 count; + u8 variable[]; + } __packed ml_reconf_resp; + struct { + u8 action_code; + u8 variable[]; + } __packed epcs; } u; } __packed action; DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */ @@ -1542,11 +1616,13 @@ struct ieee80211_mgmt { #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 #define BSS_MEMBERSHIP_SELECTOR_GLK 125 -#define BSS_MEMBERSHIP_SELECTOR_EPS 124 +#define BSS_MEMBERSHIP_SELECTOR_EPD 124 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121 +#define BSS_MEMBERSHIP_SELECTOR_MIN BSS_MEMBERSHIP_SELECTOR_EHT_PHY + /* mgmt header + 1 byte category code */ #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) @@ -2308,6 +2384,7 @@ struct ieee80211_eht_cap_elem { #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30 +#define IEEE80211_EHT_OPER_MCS15_DISABLE 0x40 /** * struct ieee80211_eht_operation - eht operation element @@ -3096,6 +3173,11 @@ ieee80211_he_spr_size(const u8 *he_spr_ie) #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01 +#define IEEE80211_EHT_MAC_CAP1_EHT_TRS 0x02 +#define IEEE80211_EHT_MAC_CAP1_TXOP_RET 0x04 +#define IEEE80211_EHT_MAC_CAP1_TWO_BQRS 0x08 +#define IEEE80211_EHT_MAC_CAP1_EHT_LINK_ADAPT_MASK 0x30 +#define IEEE80211_EHT_MAC_CAP1_UNSOL_EPCS_PRIO_ACCESS 0x40 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */ #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02 @@ -3883,6 +3965,16 @@ enum ieee80211_protected_eht_actioncode { WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0, WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1, WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2, + WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_REQ = 3, + WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_RESP = 4, + WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_TEARDOWN = 5, + WLAN_PROTECTED_EHT_ACTION_EML_OP_MODE_NOTIF = 6, + WLAN_PROTECTED_EHT_ACTION_LINK_RECOMMEND = 7, + WLAN_PROTECTED_EHT_ACTION_ML_OP_UPDATE_REQ = 8, + WLAN_PROTECTED_EHT_ACTION_ML_OP_UPDATE_RESP = 9, + WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_NOTIF = 10, + WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_REQ = 11, + WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_RESP = 12, }; /* Security key length */ @@ -4055,6 +4147,9 @@ enum ieee80211_tdls_actioncode { /* Defines support for enhanced multi-bssid advertisement*/ #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3) +/* Enable Beacon Protection */ +#define WLAN_EXT_CAPA11_BCN_PROTECT BIT(4) + /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 @@ -4961,6 +5056,7 @@ struct ieee80211_multi_link_elem { #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200 +#define IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP 0x0400 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00 @@ -5018,6 +5114,8 @@ struct ieee80211_multi_link_elem { #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000 +#define IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT 0x2000 +#define IEEE80211_MLD_CAP_OP_ALIGNED_TWT_SUPPORT 0x4000 struct ieee80211_mle_basic_common_info { u8 len; @@ -5033,6 +5131,9 @@ struct ieee80211_mle_preq_common_info { } __packed; #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010 +#define IEEE80211_MLC_RECONF_PRES_EML_CAPA 0x0020 +#define IEEE80211_MLC_RECONF_PRES_MLD_CAPA_OP 0x0040 +#define IEEE80211_MLC_RECONF_PRES_EXT_MLD_CAPA_OP 0x0080 /* no fixed fields in RECONF */ @@ -5055,28 +5156,24 @@ static inline u8 ieee80211_mle_common_size(const u8 *data) { const struct ieee80211_multi_link_elem *mle = (const void *)data; u16 control = le16_to_cpu(mle->control); - u8 common = 0; switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) { case IEEE80211_ML_CONTROL_TYPE_BASIC: case IEEE80211_ML_CONTROL_TYPE_PREQ: case IEEE80211_ML_CONTROL_TYPE_TDLS: case IEEE80211_ML_CONTROL_TYPE_RECONF: + case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: /* * The length is the first octet pointed by mle->variable so no * need to add anything */ break; - case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: - if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) - common += ETH_ALEN; - return common; default: WARN_ON(1); return 0; } - return sizeof(*mle) + common + mle->variable[0]; + return sizeof(*mle) + mle->variable[0]; } /** @@ -5227,6 +5324,47 @@ static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data) } /** + * ieee80211_mle_get_ext_mld_capa_op - returns the extended MLD capabilities + * and operations. + * @data: pointer to the multi-link element + * Return: the extended MLD capabilities and operations field value from + * the multi-link element, or 0 if not present + * + * The element is assumed to be of the correct type (BASIC) and big enough, + * this must be checked using ieee80211_mle_type_ok(). + */ +static inline u16 ieee80211_mle_get_ext_mld_capa_op(const u8 *data) +{ + const struct ieee80211_multi_link_elem *mle = (const void *)data; + u16 control = le16_to_cpu(mle->control); + const u8 *common = mle->variable; + + /* + * common points now at the beginning of + * ieee80211_mle_basic_common_info + */ + common += sizeof(struct ieee80211_mle_basic_common_info); + + if (!(control & IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP)) + return 0; + + if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) + common += 1; + if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) + common += 1; + if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) + common += 2; + if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) + common += 2; + if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP) + common += 2; + if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID) + common += 1; + + return get_unaligned_le16(common); +} + +/** * ieee80211_mle_get_mld_id - returns the MLD ID * @data: pointer to the multi-link element * Return: The MLD ID in the given multi-link element, or 0 if not present @@ -5298,6 +5436,8 @@ static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len) common += 2; if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID) common += 1; + if (control & IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP) + common += 2; break; case IEEE80211_ML_CONTROL_TYPE_PREQ: common += sizeof(struct ieee80211_mle_preq_common_info); @@ -5308,14 +5448,19 @@ static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len) case IEEE80211_ML_CONTROL_TYPE_RECONF: if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR) common += ETH_ALEN; + if (control & IEEE80211_MLC_RECONF_PRES_EML_CAPA) + common += 2; + if (control & IEEE80211_MLC_RECONF_PRES_MLD_CAPA_OP) + common += 2; + if (control & IEEE80211_MLC_RECONF_PRES_EXT_MLD_CAPA_OP) + common += 2; break; case IEEE80211_ML_CONTROL_TYPE_TDLS: common += sizeof(struct ieee80211_mle_tdls_common_info); check_common_len = true; break; case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: - if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) - common += ETH_ALEN; + common = ETH_ALEN + 1; break; default: /* we don't know this type */ @@ -5458,8 +5603,13 @@ ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040 -#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780 -#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE 0x0780 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_AP_REM 0 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_OP_PARAM_UPDATE 1 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_ADD_LINK 2 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_DEL_LINK 3 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_NSTR_STATUS 4 +#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800 /** * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link @@ -5492,6 +5642,9 @@ static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data, fixed + prof->sta_info_len - 1 <= len; } +#define IEEE80211_MLE_STA_EPCS_CONTROL_LINK_ID 0x000f +#define IEEE80211_EPCS_ENA_RESP_BODY_LEN 3 + static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len) { const struct ieee80211_ttlm_elem *t2l = (const void *)data; @@ -5525,6 +5678,80 @@ static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len) return len >= fixed + elem_len; } +/** + * ieee80211_emlsr_pad_delay_in_us - Fetch the EMLSR Padding delay + * in microseconds + * @eml_cap: EML capabilities field value from common info field of + * the Multi-link element + * Return: the EMLSR Padding delay (in microseconds) encoded in the + * EML Capabilities field + */ + +static inline u32 ieee80211_emlsr_pad_delay_in_us(u16 eml_cap) +{ + /* IEEE Std 802.11be-2024 Table 9-417i—Encoding of the EMLSR + * Padding Delay subfield. + */ + u32 pad_delay = u16_get_bits(eml_cap, + IEEE80211_EML_CAP_EMLSR_PADDING_DELAY); + + if (!pad_delay || + pad_delay > IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US) + return 0; + + return 32 * (1 << (pad_delay - 1)); +} + +/** + * ieee80211_emlsr_trans_delay_in_us - Fetch the EMLSR Transition + * delay in microseconds + * @eml_cap: EML capabilities field value from common info field of + * the Multi-link element + * Return: the EMLSR Transition delay (in microseconds) encoded in the + * EML Capabilities field + */ + +static inline u32 ieee80211_emlsr_trans_delay_in_us(u16 eml_cap) +{ + /* IEEE Std 802.11be-2024 Table 9-417j—Encoding of the EMLSR + * Transition Delay subfield. + */ + u32 trans_delay = + u16_get_bits(eml_cap, + IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY); + + /* invalid values also just use 0 */ + if (!trans_delay || + trans_delay > IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US) + return 0; + + return 16 * (1 << (trans_delay - 1)); +} + +/** + * ieee80211_eml_trans_timeout_in_us - Fetch the EMLSR Transition + * timeout value in microseconds + * @eml_cap: EML capabilities field value from common info field of + * the Multi-link element + * Return: the EMLSR Transition timeout (in microseconds) encoded in + * the EML Capabilities field + */ + +static inline u32 ieee80211_eml_trans_timeout_in_us(u16 eml_cap) +{ + /* IEEE Std 802.11be-2024 Table 9-417m—Encoding of the + * Transition Timeout subfield. + */ + u8 timeout = u16_get_bits(eml_cap, + IEEE80211_EML_CAP_TRANSITION_TIMEOUT); + + /* invalid values also just use 0 */ + if (!timeout || timeout > IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU) + return 0; + + return 128 * (1 << (timeout - 1)); +} + #define for_each_mle_subelement(_elem, _data, _len) \ if (ieee80211_mle_size_ok(_data, _len)) \ for_each_element(_elem, \ |