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-rw-r--r--include/linux/ieee80211.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index c4e6ca1a630..b1bb817d142 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -527,6 +527,8 @@ struct ieee80211_tim_ie {
527 u8 virtual_map[0]; 527 u8 virtual_map[0];
528} __attribute__ ((packed)); 528} __attribute__ ((packed));
529 529
530#define WLAN_SA_QUERY_TR_ID_LEN 16
531
530struct ieee80211_mgmt { 532struct ieee80211_mgmt {
531 __le16 frame_control; 533 __le16 frame_control;
532 __le16 duration; 534 __le16 duration;
@@ -646,6 +648,10 @@ struct ieee80211_mgmt {
646 u8 action_code; 648 u8 action_code;
647 u8 variable[0]; 649 u8 variable[0];
648 } __attribute__((packed)) mesh_action; 650 } __attribute__((packed)) mesh_action;
651 struct {
652 u8 action;
653 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
654 } __attribute__ ((packed)) sa_query;
649 } u; 655 } u;
650 } __attribute__ ((packed)) action; 656 } __attribute__ ((packed)) action;
651 } u; 657 } u;
@@ -655,6 +661,15 @@ struct ieee80211_mgmt {
655#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 661#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
656 662
657 663
664/* Management MIC information element (IEEE 802.11w) */
665struct ieee80211_mmie {
666 u8 element_id;
667 u8 length;
668 __le16 key_id;
669 u8 sequence_number[6];
670 u8 mic[8];
671} __attribute__ ((packed));
672
658/* Control frames */ 673/* Control frames */
659struct ieee80211_rts { 674struct ieee80211_rts {
660 __le16 frame_control; 675 __le16 frame_control;
@@ -899,6 +914,9 @@ enum ieee80211_statuscode {
899 /* 802.11g */ 914 /* 802.11g */
900 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 915 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
901 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 916 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
917 /* 802.11w */
918 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
919 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
902 /* 802.11i */ 920 /* 802.11i */
903 WLAN_STATUS_INVALID_IE = 40, 921 WLAN_STATUS_INVALID_IE = 40,
904 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 922 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
@@ -1018,6 +1036,8 @@ enum ieee80211_eid {
1018 WLAN_EID_HT_INFORMATION = 61, 1036 WLAN_EID_HT_INFORMATION = 61,
1019 /* 802.11i */ 1037 /* 802.11i */
1020 WLAN_EID_RSN = 48, 1038 WLAN_EID_RSN = 48,
1039 WLAN_EID_TIMEOUT_INTERVAL = 56,
1040 WLAN_EID_MMIE = 76 /* 802.11w */,
1021 WLAN_EID_WPA = 221, 1041 WLAN_EID_WPA = 221,
1022 WLAN_EID_GENERIC = 221, 1042 WLAN_EID_GENERIC = 221,
1023 WLAN_EID_VENDOR_SPECIFIC = 221, 1043 WLAN_EID_VENDOR_SPECIFIC = 221,
@@ -1030,6 +1050,8 @@ enum ieee80211_category {
1030 WLAN_CATEGORY_QOS = 1, 1050 WLAN_CATEGORY_QOS = 1,
1031 WLAN_CATEGORY_DLS = 2, 1051 WLAN_CATEGORY_DLS = 2,
1032 WLAN_CATEGORY_BACK = 3, 1052 WLAN_CATEGORY_BACK = 3,
1053 WLAN_CATEGORY_PUBLIC = 4,
1054 WLAN_CATEGORY_SA_QUERY = 8,
1033 WLAN_CATEGORY_WMM = 17, 1055 WLAN_CATEGORY_WMM = 17,
1034}; 1056};
1035 1057
@@ -1104,6 +1126,12 @@ struct ieee80211_country_ie_triplet {
1104 }; 1126 };
1105} __attribute__ ((packed)); 1127} __attribute__ ((packed));
1106 1128
1129enum ieee80211_timeout_interval_type {
1130 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1131 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1132 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1133};
1134
1107/* BACK action code */ 1135/* BACK action code */
1108enum ieee80211_back_actioncode { 1136enum ieee80211_back_actioncode {
1109 WLAN_ACTION_ADDBA_REQ = 0, 1137 WLAN_ACTION_ADDBA_REQ = 0,
@@ -1118,6 +1146,13 @@ enum ieee80211_back_parties {
1118 WLAN_BACK_TIMER = 2, 1146 WLAN_BACK_TIMER = 2,
1119}; 1147};
1120 1148
1149/* SA Query action */
1150enum ieee80211_sa_query_action {
1151 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1152 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1153};
1154
1155
1121/* A-MSDU 802.11n */ 1156/* A-MSDU 802.11n */
1122#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 1157#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1123 1158
@@ -1128,6 +1163,7 @@ enum ieee80211_back_parties {
1128/* reserved: 0x000FAC03 */ 1163/* reserved: 0x000FAC03 */
1129#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 1164#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1130#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 1165#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1166#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1131 1167
1132#define WLAN_MAX_KEY_LEN 32 1168#define WLAN_MAX_KEY_LEN 32
1133 1169
@@ -1185,4 +1221,149 @@ static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1185 return hdr->addr1; 1221 return hdr->addr1;
1186} 1222}
1187 1223
1224/**
1225 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1226 * @hdr: the frame (buffer must include at least the first octet of payload)
1227 */
1228static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1229{
1230 if (ieee80211_is_disassoc(hdr->frame_control) ||
1231 ieee80211_is_deauth(hdr->frame_control))
1232 return true;
1233
1234 if (ieee80211_is_action(hdr->frame_control)) {
1235 u8 *category;
1236
1237 /*
1238 * Action frames, excluding Public Action frames, are Robust
1239 * Management Frames. However, if we are looking at a Protected
1240 * frame, skip the check since the data may be encrypted and
1241 * the frame has already been found to be a Robust Management
1242 * Frame (by the other end).
1243 */
1244 if (ieee80211_has_protected(hdr->frame_control))
1245 return true;
1246 category = ((u8 *) hdr) + 24;
1247 return *category != WLAN_CATEGORY_PUBLIC;
1248 }
1249
1250 return false;
1251}
1252
1253/**
1254 * ieee80211_fhss_chan_to_freq - get channel frequency
1255 * @channel: the FHSS channel
1256 *
1257 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1258 * Ref IEEE 802.11-2007 section 14.6
1259 */
1260static inline int ieee80211_fhss_chan_to_freq(int channel)
1261{
1262 if ((channel > 1) && (channel < 96))
1263 return channel + 2400;
1264 else
1265 return -1;
1266}
1267
1268/**
1269 * ieee80211_freq_to_fhss_chan - get channel
1270 * @freq: the channels frequency
1271 *
1272 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1273 * Ref IEEE 802.11-2007 section 14.6
1274 */
1275static inline int ieee80211_freq_to_fhss_chan(int freq)
1276{
1277 if ((freq > 2401) && (freq < 2496))
1278 return freq - 2400;
1279 else
1280 return -1;
1281}
1282
1283/**
1284 * ieee80211_dsss_chan_to_freq - get channel center frequency
1285 * @channel: the DSSS channel
1286 *
1287 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1288 * Ref IEEE 802.11-2007 section 15.6
1289 */
1290static inline int ieee80211_dsss_chan_to_freq(int channel)
1291{
1292 if ((channel > 0) && (channel < 14))
1293 return 2407 + (channel * 5);
1294 else if (channel == 14)
1295 return 2484;
1296 else
1297 return -1;
1298}
1299
1300/**
1301 * ieee80211_freq_to_dsss_chan - get channel
1302 * @freq: the frequency
1303 *
1304 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1305 * Ref IEEE 802.11-2007 section 15.6
1306 *
1307 * This routine selects the channel with the closest center frequency.
1308 */
1309static inline int ieee80211_freq_to_dsss_chan(int freq)
1310{
1311 if ((freq >= 2410) && (freq < 2475))
1312 return (freq - 2405) / 5;
1313 else if ((freq >= 2482) && (freq < 2487))
1314 return 14;
1315 else
1316 return -1;
1317}
1318
1319/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1320 * Ref IEEE 802.11-2007 section 18.4.6.2
1321 *
1322 * The channels and frequencies are the same as those defined for DSSS
1323 */
1324#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1325#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1326
1327/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1328 * Ref IEEE 802.11-2007 section 19.4.2
1329 */
1330#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1331#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1332
1333/**
1334 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1335 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1336 * @channel: the OFDM channel
1337 *
1338 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1339 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1340 */
1341static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1342{
1343 if ((channel > 0) && (channel <= 200) &&
1344 (s_freq >= 4000))
1345 return s_freq + (channel * 5);
1346 else
1347 return -1;
1348}
1349
1350/**
1351 * ieee80211_freq_to_ofdm_channel - get channel
1352 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1353 * @freq: the frequency
1354 *
1355 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1356 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1357 *
1358 * This routine selects the channel with the closest center frequency.
1359 */
1360static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1361{
1362 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1363 (s_freq >= 4000))
1364 return (freq + 2 - s_freq) / 5;
1365 else
1366 return -1;
1367}
1368
1188#endif /* LINUX_IEEE80211_H */ 1369#endif /* LINUX_IEEE80211_H */