X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=5fb8142cf08e6dd14d94281ceec790d81b9e7a7d;hb=e771333fb9781c6015d244e489182311a0608231;hp=bb3b7b948a6bf150061881090417ea61a95c741e;hpb=45462166d04aab185ff638611a91440d06dab416;p=carl9170fw.git diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index bb3b7b9..5fb8142 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -4412,9 +4412,6 @@ static inline bool for_each_element_completed(const struct element *element, #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0 #define IEEE80211_TBTT_INFO_TYPE_MLD 1 -#define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 9 -#define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 13 -#define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM_MLD_PARAM 16 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02 @@ -4452,6 +4449,28 @@ struct ieee80211_rnr_mld_params { #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000 +/* Format of the TBTT information element if it has 7, 8 or 9 bytes */ +struct ieee80211_tbtt_info_7_8_9 { + u8 tbtt_offset; + u8 bssid[6]; + + /* The following element is optional, structure may not grow */ + u8 bss_params; + u8 psd_20; +} __packed; + +/* Format of the TBTT information element if it has >= 11 bytes */ +struct ieee80211_tbtt_info_ge_11 { + u8 tbtt_offset; + u8 bssid[6]; + __le32 short_ssid; + + /* The following elements are optional, structure may grow */ + u8 bss_params; + u8 psd_20; + struct ieee80211_rnr_mld_params mld_params; +} __packed; + /* multi-link device */ #define IEEE80211_MLD_MAX_NUM_LINKS 15 @@ -4785,9 +4804,6 @@ static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data, info_len += 8; if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT) info_len += 2; - if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT) - info_len += 1; - if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE && control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) { if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) @@ -4795,11 +4811,50 @@ static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data, else info_len += 1; } + if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT) + info_len += 1; return prof->sta_info_len >= info_len && fixed + prof->sta_info_len <= len; } +#define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f +#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 + +/** + * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link + * element sta profile size. + * @data: pointer to the sub element data + * @len: length of the containing sub element + */ +static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data, + size_t len) +{ + const struct ieee80211_mle_per_sta_profile *prof = (const void *)data; + u16 control; + u8 fixed = sizeof(*prof); + u8 info_len = 1; + + if (len < fixed) + return false; + + control = le16_to_cpu(prof->control); + + if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT) + info_len += 6; + if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT) + info_len += 2; + if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT) + info_len += 2; + + return prof->sta_info_len >= info_len && + ((size_t)(fixed + prof->sta_info_len - 1) <= len); +} + #define for_each_mle_subelement(_elem, _data, _len) \ if (ieee80211_mle_size_ok(_data, _len)) \ for_each_element(_elem, \