diff options
Diffstat (limited to 'net/ieee80211/ieee80211_rx.c')
-rw-r--r-- | net/ieee80211/ieee80211_rx.c | 610 |
1 files changed, 464 insertions, 146 deletions
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index f7dcd854139e..ce694cf5c160 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c | |||
@@ -5,7 +5,7 @@ | |||
5 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | 5 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen |
6 | * <jkmaline@cc.hut.fi> | 6 | * <jkmaline@cc.hut.fi> |
7 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> | 7 | * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> |
8 | * Copyright (c) 2004, Intel Corporation | 8 | * Copyright (c) 2004-2005, Intel Corporation |
9 | * | 9 | * |
10 | * This program is free software; you can redistribute it and/or modify | 10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License version 2 as | 11 | * it under the terms of the GNU General Public License version 2 as |
@@ -87,7 +87,7 @@ static struct ieee80211_frag_entry *ieee80211_frag_cache_find(struct | |||
87 | 87 | ||
88 | /* Called only as a tasklet (software IRQ) */ | 88 | /* Called only as a tasklet (software IRQ) */ |
89 | static struct sk_buff *ieee80211_frag_cache_get(struct ieee80211_device *ieee, | 89 | static struct sk_buff *ieee80211_frag_cache_get(struct ieee80211_device *ieee, |
90 | struct ieee80211_hdr *hdr) | 90 | struct ieee80211_hdr_4addr *hdr) |
91 | { | 91 | { |
92 | struct sk_buff *skb = NULL; | 92 | struct sk_buff *skb = NULL; |
93 | u16 sc; | 93 | u16 sc; |
@@ -101,7 +101,7 @@ static struct sk_buff *ieee80211_frag_cache_get(struct ieee80211_device *ieee, | |||
101 | if (frag == 0) { | 101 | if (frag == 0) { |
102 | /* Reserve enough space to fit maximum frame length */ | 102 | /* Reserve enough space to fit maximum frame length */ |
103 | skb = dev_alloc_skb(ieee->dev->mtu + | 103 | skb = dev_alloc_skb(ieee->dev->mtu + |
104 | sizeof(struct ieee80211_hdr) + | 104 | sizeof(struct ieee80211_hdr_4addr) + |
105 | 8 /* LLC */ + | 105 | 8 /* LLC */ + |
106 | 2 /* alignment */ + | 106 | 2 /* alignment */ + |
107 | 8 /* WEP */ + ETH_ALEN /* WDS */ ); | 107 | 8 /* WEP */ + ETH_ALEN /* WDS */ ); |
@@ -138,7 +138,7 @@ static struct sk_buff *ieee80211_frag_cache_get(struct ieee80211_device *ieee, | |||
138 | 138 | ||
139 | /* Called only as a tasklet (software IRQ) */ | 139 | /* Called only as a tasklet (software IRQ) */ |
140 | static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee, | 140 | static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee, |
141 | struct ieee80211_hdr *hdr) | 141 | struct ieee80211_hdr_4addr *hdr) |
142 | { | 142 | { |
143 | u16 sc; | 143 | u16 sc; |
144 | unsigned int seq; | 144 | unsigned int seq; |
@@ -176,7 +176,7 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
176 | ieee->dev->name); | 176 | ieee->dev->name); |
177 | return 0; | 177 | return 0; |
178 | /* | 178 | /* |
179 | hostap_update_sta_ps(ieee, (struct hostap_ieee80211_hdr *) | 179 | hostap_update_sta_ps(ieee, (struct hostap_ieee80211_hdr_4addr *) |
180 | skb->data);*/ | 180 | skb->data);*/ |
181 | } | 181 | } |
182 | 182 | ||
@@ -232,13 +232,13 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee, | |||
232 | { | 232 | { |
233 | struct net_device *dev = ieee->dev; | 233 | struct net_device *dev = ieee->dev; |
234 | u16 fc, ethertype; | 234 | u16 fc, ethertype; |
235 | struct ieee80211_hdr *hdr; | 235 | struct ieee80211_hdr_3addr *hdr; |
236 | u8 *pos; | 236 | u8 *pos; |
237 | 237 | ||
238 | if (skb->len < 24) | 238 | if (skb->len < 24) |
239 | return 0; | 239 | return 0; |
240 | 240 | ||
241 | hdr = (struct ieee80211_hdr *)skb->data; | 241 | hdr = (struct ieee80211_hdr_3addr *)skb->data; |
242 | fc = le16_to_cpu(hdr->frame_ctl); | 242 | fc = le16_to_cpu(hdr->frame_ctl); |
243 | 243 | ||
244 | /* check that the frame is unicast frame to us */ | 244 | /* check that the frame is unicast frame to us */ |
@@ -271,26 +271,15 @@ static inline int | |||
271 | ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb, | 271 | ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb, |
272 | struct ieee80211_crypt_data *crypt) | 272 | struct ieee80211_crypt_data *crypt) |
273 | { | 273 | { |
274 | struct ieee80211_hdr *hdr; | 274 | struct ieee80211_hdr_3addr *hdr; |
275 | int res, hdrlen; | 275 | int res, hdrlen; |
276 | 276 | ||
277 | if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) | 277 | if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) |
278 | return 0; | 278 | return 0; |
279 | 279 | ||
280 | hdr = (struct ieee80211_hdr *)skb->data; | 280 | hdr = (struct ieee80211_hdr_3addr *)skb->data; |
281 | hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); | 281 | hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); |
282 | 282 | ||
283 | #ifdef CONFIG_IEEE80211_CRYPT_TKIP | ||
284 | if (ieee->tkip_countermeasures && strcmp(crypt->ops->name, "TKIP") == 0) { | ||
285 | if (net_ratelimit()) { | ||
286 | printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " | ||
287 | "received packet from " MAC_FMT "\n", | ||
288 | ieee->dev->name, MAC_ARG(hdr->addr2)); | ||
289 | } | ||
290 | return -1; | ||
291 | } | ||
292 | #endif | ||
293 | |||
294 | atomic_inc(&crypt->refcnt); | 283 | atomic_inc(&crypt->refcnt); |
295 | res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv); | 284 | res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv); |
296 | atomic_dec(&crypt->refcnt); | 285 | atomic_dec(&crypt->refcnt); |
@@ -314,13 +303,13 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device *ieee, | |||
314 | struct sk_buff *skb, int keyidx, | 303 | struct sk_buff *skb, int keyidx, |
315 | struct ieee80211_crypt_data *crypt) | 304 | struct ieee80211_crypt_data *crypt) |
316 | { | 305 | { |
317 | struct ieee80211_hdr *hdr; | 306 | struct ieee80211_hdr_3addr *hdr; |
318 | int res, hdrlen; | 307 | int res, hdrlen; |
319 | 308 | ||
320 | if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) | 309 | if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) |
321 | return 0; | 310 | return 0; |
322 | 311 | ||
323 | hdr = (struct ieee80211_hdr *)skb->data; | 312 | hdr = (struct ieee80211_hdr_3addr *)skb->data; |
324 | hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); | 313 | hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); |
325 | 314 | ||
326 | atomic_inc(&crypt->refcnt); | 315 | atomic_inc(&crypt->refcnt); |
@@ -343,7 +332,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
343 | struct ieee80211_rx_stats *rx_stats) | 332 | struct ieee80211_rx_stats *rx_stats) |
344 | { | 333 | { |
345 | struct net_device *dev = ieee->dev; | 334 | struct net_device *dev = ieee->dev; |
346 | struct ieee80211_hdr *hdr; | 335 | struct ieee80211_hdr_4addr *hdr; |
347 | size_t hdrlen; | 336 | size_t hdrlen; |
348 | u16 fc, type, stype, sc; | 337 | u16 fc, type, stype, sc; |
349 | struct net_device_stats *stats; | 338 | struct net_device_stats *stats; |
@@ -363,7 +352,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
363 | struct ieee80211_crypt_data *crypt = NULL; | 352 | struct ieee80211_crypt_data *crypt = NULL; |
364 | int keyidx = 0; | 353 | int keyidx = 0; |
365 | 354 | ||
366 | hdr = (struct ieee80211_hdr *)skb->data; | 355 | hdr = (struct ieee80211_hdr_4addr *)skb->data; |
367 | stats = &ieee->stats; | 356 | stats = &ieee->stats; |
368 | 357 | ||
369 | if (skb->len < 10) { | 358 | if (skb->len < 10) { |
@@ -378,35 +367,51 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
378 | frag = WLAN_GET_SEQ_FRAG(sc); | 367 | frag = WLAN_GET_SEQ_FRAG(sc); |
379 | hdrlen = ieee80211_get_hdrlen(fc); | 368 | hdrlen = ieee80211_get_hdrlen(fc); |
380 | 369 | ||
381 | #ifdef NOT_YET | ||
382 | #if WIRELESS_EXT > 15 | ||
383 | /* Put this code here so that we avoid duplicating it in all | 370 | /* Put this code here so that we avoid duplicating it in all |
384 | * Rx paths. - Jean II */ | 371 | * Rx paths. - Jean II */ |
385 | #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ | 372 | #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ |
386 | /* If spy monitoring on */ | 373 | /* If spy monitoring on */ |
387 | if (iface->spy_data.spy_number > 0) { | 374 | if (ieee->spy_data.spy_number > 0) { |
388 | struct iw_quality wstats; | 375 | struct iw_quality wstats; |
389 | wstats.level = rx_stats->signal; | 376 | |
390 | wstats.noise = rx_stats->noise; | 377 | wstats.updated = 0; |
391 | wstats.updated = 6; /* No qual value */ | 378 | if (rx_stats->mask & IEEE80211_STATMASK_RSSI) { |
379 | wstats.level = rx_stats->rssi; | ||
380 | wstats.updated |= IW_QUAL_LEVEL_UPDATED; | ||
381 | } else | ||
382 | wstats.updated |= IW_QUAL_LEVEL_INVALID; | ||
383 | |||
384 | if (rx_stats->mask & IEEE80211_STATMASK_NOISE) { | ||
385 | wstats.noise = rx_stats->noise; | ||
386 | wstats.updated |= IW_QUAL_NOISE_UPDATED; | ||
387 | } else | ||
388 | wstats.updated |= IW_QUAL_NOISE_INVALID; | ||
389 | |||
390 | if (rx_stats->mask & IEEE80211_STATMASK_SIGNAL) { | ||
391 | wstats.qual = rx_stats->signal; | ||
392 | wstats.updated |= IW_QUAL_QUAL_UPDATED; | ||
393 | } else | ||
394 | wstats.updated |= IW_QUAL_QUAL_INVALID; | ||
395 | |||
392 | /* Update spy records */ | 396 | /* Update spy records */ |
393 | wireless_spy_update(dev, hdr->addr2, &wstats); | 397 | wireless_spy_update(ieee->dev, hdr->addr2, &wstats); |
394 | } | 398 | } |
395 | #endif /* IW_WIRELESS_SPY */ | 399 | #endif /* IW_WIRELESS_SPY */ |
396 | #endif /* WIRELESS_EXT > 15 */ | 400 | |
401 | #ifdef NOT_YET | ||
397 | hostap_update_rx_stats(local->ap, hdr, rx_stats); | 402 | hostap_update_rx_stats(local->ap, hdr, rx_stats); |
398 | #endif | 403 | #endif |
399 | 404 | ||
400 | #if WIRELESS_EXT > 15 | ||
401 | if (ieee->iw_mode == IW_MODE_MONITOR) { | 405 | if (ieee->iw_mode == IW_MODE_MONITOR) { |
402 | ieee80211_monitor_rx(ieee, skb, rx_stats); | 406 | ieee80211_monitor_rx(ieee, skb, rx_stats); |
403 | stats->rx_packets++; | 407 | stats->rx_packets++; |
404 | stats->rx_bytes += skb->len; | 408 | stats->rx_bytes += skb->len; |
405 | return 1; | 409 | return 1; |
406 | } | 410 | } |
407 | #endif | ||
408 | 411 | ||
409 | if (ieee->host_decrypt) { | 412 | if ((is_multicast_ether_addr(hdr->addr1) || |
413 | is_broadcast_ether_addr(hdr->addr2)) ? ieee->host_mc_decrypt : | ||
414 | ieee->host_decrypt) { | ||
410 | int idx = 0; | 415 | int idx = 0; |
411 | if (skb->len >= hdrlen + 3) | 416 | if (skb->len >= hdrlen + 3) |
412 | idx = skb->data[hdrlen + 3] >> 6; | 417 | idx = skb->data[hdrlen + 3] >> 6; |
@@ -531,6 +536,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
531 | 536 | ||
532 | /* Nullfunc frames may have PS-bit set, so they must be passed to | 537 | /* Nullfunc frames may have PS-bit set, so they must be passed to |
533 | * hostap_handle_sta_rx() before being dropped here. */ | 538 | * hostap_handle_sta_rx() before being dropped here. */ |
539 | |||
540 | stype &= ~IEEE80211_STYPE_QOS_DATA; | ||
541 | |||
534 | if (stype != IEEE80211_STYPE_DATA && | 542 | if (stype != IEEE80211_STYPE_DATA && |
535 | stype != IEEE80211_STYPE_DATA_CFACK && | 543 | stype != IEEE80211_STYPE_DATA_CFACK && |
536 | stype != IEEE80211_STYPE_DATA_CFPOLL && | 544 | stype != IEEE80211_STYPE_DATA_CFPOLL && |
@@ -549,7 +557,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
549 | (keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0) | 557 | (keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0) |
550 | goto rx_dropped; | 558 | goto rx_dropped; |
551 | 559 | ||
552 | hdr = (struct ieee80211_hdr *)skb->data; | 560 | hdr = (struct ieee80211_hdr_4addr *)skb->data; |
553 | 561 | ||
554 | /* skb: hdr + (possibly fragmented) plaintext payload */ | 562 | /* skb: hdr + (possibly fragmented) plaintext payload */ |
555 | // PR: FIXME: hostap has additional conditions in the "if" below: | 563 | // PR: FIXME: hostap has additional conditions in the "if" below: |
@@ -603,7 +611,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
603 | /* this was the last fragment and the frame will be | 611 | /* this was the last fragment and the frame will be |
604 | * delivered, so remove skb from fragment cache */ | 612 | * delivered, so remove skb from fragment cache */ |
605 | skb = frag_skb; | 613 | skb = frag_skb; |
606 | hdr = (struct ieee80211_hdr *)skb->data; | 614 | hdr = (struct ieee80211_hdr_4addr *)skb->data; |
607 | ieee80211_frag_cache_invalidate(ieee, hdr); | 615 | ieee80211_frag_cache_invalidate(ieee, hdr); |
608 | } | 616 | } |
609 | 617 | ||
@@ -613,7 +621,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
613 | ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt)) | 621 | ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt)) |
614 | goto rx_dropped; | 622 | goto rx_dropped; |
615 | 623 | ||
616 | hdr = (struct ieee80211_hdr *)skb->data; | 624 | hdr = (struct ieee80211_hdr_4addr *)skb->data; |
617 | if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep) { | 625 | if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep) { |
618 | if ( /*ieee->ieee802_1x && */ | 626 | if ( /*ieee->ieee802_1x && */ |
619 | ieee80211_is_eapol_frame(ieee, skb)) { | 627 | ieee80211_is_eapol_frame(ieee, skb)) { |
@@ -755,69 +763,179 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, | |||
755 | 763 | ||
756 | #define MGMT_FRAME_FIXED_PART_LENGTH 0x24 | 764 | #define MGMT_FRAME_FIXED_PART_LENGTH 0x24 |
757 | 765 | ||
758 | static inline int ieee80211_is_ofdm_rate(u8 rate) | 766 | static u8 qos_oui[QOS_OUI_LEN] = { 0x00, 0x50, 0xF2 }; |
767 | |||
768 | /* | ||
769 | * Make ther structure we read from the beacon packet has | ||
770 | * the right values | ||
771 | */ | ||
772 | static int ieee80211_verify_qos_info(struct ieee80211_qos_information_element | ||
773 | *info_element, int sub_type) | ||
759 | { | 774 | { |
760 | switch (rate & ~IEEE80211_BASIC_RATE_MASK) { | 775 | |
761 | case IEEE80211_OFDM_RATE_6MB: | 776 | if (info_element->qui_subtype != sub_type) |
762 | case IEEE80211_OFDM_RATE_9MB: | 777 | return -1; |
763 | case IEEE80211_OFDM_RATE_12MB: | 778 | if (memcmp(info_element->qui, qos_oui, QOS_OUI_LEN)) |
764 | case IEEE80211_OFDM_RATE_18MB: | 779 | return -1; |
765 | case IEEE80211_OFDM_RATE_24MB: | 780 | if (info_element->qui_type != QOS_OUI_TYPE) |
766 | case IEEE80211_OFDM_RATE_36MB: | 781 | return -1; |
767 | case IEEE80211_OFDM_RATE_48MB: | 782 | if (info_element->version != QOS_VERSION_1) |
768 | case IEEE80211_OFDM_RATE_54MB: | 783 | return -1; |
769 | return 1; | 784 | |
770 | } | ||
771 | return 0; | 785 | return 0; |
772 | } | 786 | } |
773 | 787 | ||
774 | static inline int ieee80211_network_init(struct ieee80211_device *ieee, | 788 | /* |
775 | struct ieee80211_probe_response | 789 | * Parse a QoS parameter element |
776 | *beacon, | 790 | */ |
777 | struct ieee80211_network *network, | 791 | static int ieee80211_read_qos_param_element(struct ieee80211_qos_parameter_info |
778 | struct ieee80211_rx_stats *stats) | 792 | *element_param, struct ieee80211_info_element |
793 | *info_element) | ||
779 | { | 794 | { |
780 | #ifdef CONFIG_IEEE80211_DEBUG | 795 | int ret = 0; |
781 | char rates_str[64]; | 796 | u16 size = sizeof(struct ieee80211_qos_parameter_info) - 2; |
782 | char *p; | ||
783 | #endif | ||
784 | struct ieee80211_info_element *info_element; | ||
785 | u16 left; | ||
786 | u8 i; | ||
787 | 797 | ||
788 | /* Pull out fixed field data */ | 798 | if ((info_element == NULL) || (element_param == NULL)) |
789 | memcpy(network->bssid, beacon->header.addr3, ETH_ALEN); | 799 | return -1; |
790 | network->capability = beacon->capability; | ||
791 | network->last_scanned = jiffies; | ||
792 | network->time_stamp[0] = beacon->time_stamp[0]; | ||
793 | network->time_stamp[1] = beacon->time_stamp[1]; | ||
794 | network->beacon_interval = beacon->beacon_interval; | ||
795 | /* Where to pull this? beacon->listen_interval; */ | ||
796 | network->listen_interval = 0x0A; | ||
797 | network->rates_len = network->rates_ex_len = 0; | ||
798 | network->last_associate = 0; | ||
799 | network->ssid_len = 0; | ||
800 | network->flags = 0; | ||
801 | network->atim_window = 0; | ||
802 | 800 | ||
803 | if (stats->freq == IEEE80211_52GHZ_BAND) { | 801 | if (info_element->id == QOS_ELEMENT_ID && info_element->len == size) { |
804 | /* for A band (No DS info) */ | 802 | memcpy(element_param->info_element.qui, info_element->data, |
805 | network->channel = stats->received_channel; | 803 | info_element->len); |
804 | element_param->info_element.elementID = info_element->id; | ||
805 | element_param->info_element.length = info_element->len; | ||
806 | } else | 806 | } else |
807 | network->flags |= NETWORK_HAS_CCK; | 807 | ret = -1; |
808 | if (ret == 0) | ||
809 | ret = ieee80211_verify_qos_info(&element_param->info_element, | ||
810 | QOS_OUI_PARAM_SUB_TYPE); | ||
811 | return ret; | ||
812 | } | ||
808 | 813 | ||
809 | network->wpa_ie_len = 0; | 814 | /* |
810 | network->rsn_ie_len = 0; | 815 | * Parse a QoS information element |
816 | */ | ||
817 | static int ieee80211_read_qos_info_element(struct | ||
818 | ieee80211_qos_information_element | ||
819 | *element_info, struct ieee80211_info_element | ||
820 | *info_element) | ||
821 | { | ||
822 | int ret = 0; | ||
823 | u16 size = sizeof(struct ieee80211_qos_information_element) - 2; | ||
824 | |||
825 | if (element_info == NULL) | ||
826 | return -1; | ||
827 | if (info_element == NULL) | ||
828 | return -1; | ||
829 | |||
830 | if ((info_element->id == QOS_ELEMENT_ID) && (info_element->len == size)) { | ||
831 | memcpy(element_info->qui, info_element->data, | ||
832 | info_element->len); | ||
833 | element_info->elementID = info_element->id; | ||
834 | element_info->length = info_element->len; | ||
835 | } else | ||
836 | ret = -1; | ||
837 | |||
838 | if (ret == 0) | ||
839 | ret = ieee80211_verify_qos_info(element_info, | ||
840 | QOS_OUI_INFO_SUB_TYPE); | ||
841 | return ret; | ||
842 | } | ||
843 | |||
844 | /* | ||
845 | * Write QoS parameters from the ac parameters. | ||
846 | */ | ||
847 | static int ieee80211_qos_convert_ac_to_parameters(struct | ||
848 | ieee80211_qos_parameter_info | ||
849 | *param_elm, struct | ||
850 | ieee80211_qos_parameters | ||
851 | *qos_param) | ||
852 | { | ||
853 | int rc = 0; | ||
854 | int i; | ||
855 | struct ieee80211_qos_ac_parameter *ac_params; | ||
856 | u32 txop; | ||
857 | u8 cw_min; | ||
858 | u8 cw_max; | ||
859 | |||
860 | for (i = 0; i < QOS_QUEUE_NUM; i++) { | ||
861 | ac_params = &(param_elm->ac_params_record[i]); | ||
862 | |||
863 | qos_param->aifs[i] = (ac_params->aci_aifsn) & 0x0F; | ||
864 | qos_param->aifs[i] -= (qos_param->aifs[i] < 2) ? 0 : 2; | ||
865 | |||
866 | cw_min = ac_params->ecw_min_max & 0x0F; | ||
867 | qos_param->cw_min[i] = (u16) ((1 << cw_min) - 1); | ||
868 | |||
869 | cw_max = (ac_params->ecw_min_max & 0xF0) >> 4; | ||
870 | qos_param->cw_max[i] = (u16) ((1 << cw_max) - 1); | ||
871 | |||
872 | qos_param->flag[i] = | ||
873 | (ac_params->aci_aifsn & 0x10) ? 0x01 : 0x00; | ||
874 | |||
875 | txop = le16_to_cpu(ac_params->tx_op_limit) * 32; | ||
876 | qos_param->tx_op_limit[i] = (u16) txop; | ||
877 | } | ||
878 | return rc; | ||
879 | } | ||
880 | |||
881 | /* | ||
882 | * we have a generic data element which it may contain QoS information or | ||
883 | * parameters element. check the information element length to decide | ||
884 | * which type to read | ||
885 | */ | ||
886 | static int ieee80211_parse_qos_info_param_IE(struct ieee80211_info_element | ||
887 | *info_element, | ||
888 | struct ieee80211_network *network) | ||
889 | { | ||
890 | int rc = 0; | ||
891 | struct ieee80211_qos_parameters *qos_param = NULL; | ||
892 | struct ieee80211_qos_information_element qos_info_element; | ||
893 | |||
894 | rc = ieee80211_read_qos_info_element(&qos_info_element, info_element); | ||
895 | |||
896 | if (rc == 0) { | ||
897 | network->qos_data.param_count = qos_info_element.ac_info & 0x0F; | ||
898 | network->flags |= NETWORK_HAS_QOS_INFORMATION; | ||
899 | } else { | ||
900 | struct ieee80211_qos_parameter_info param_element; | ||
901 | |||
902 | rc = ieee80211_read_qos_param_element(¶m_element, | ||
903 | info_element); | ||
904 | if (rc == 0) { | ||
905 | qos_param = &(network->qos_data.parameters); | ||
906 | ieee80211_qos_convert_ac_to_parameters(¶m_element, | ||
907 | qos_param); | ||
908 | network->flags |= NETWORK_HAS_QOS_PARAMETERS; | ||
909 | network->qos_data.param_count = | ||
910 | param_element.info_element.ac_info & 0x0F; | ||
911 | } | ||
912 | } | ||
913 | |||
914 | if (rc == 0) { | ||
915 | IEEE80211_DEBUG_QOS("QoS is supported\n"); | ||
916 | network->qos_data.supported = 1; | ||
917 | } | ||
918 | return rc; | ||
919 | } | ||
920 | |||
921 | static int ieee80211_parse_info_param(struct ieee80211_info_element | ||
922 | *info_element, u16 length, | ||
923 | struct ieee80211_network *network) | ||
924 | { | ||
925 | u8 i; | ||
926 | #ifdef CONFIG_IEEE80211_DEBUG | ||
927 | char rates_str[64]; | ||
928 | char *p; | ||
929 | #endif | ||
811 | 930 | ||
812 | info_element = &beacon->info_element; | 931 | while (length >= sizeof(*info_element)) { |
813 | left = stats->len - ((void *)info_element - (void *)beacon); | 932 | if (sizeof(*info_element) + info_element->len > length) { |
814 | while (left >= sizeof(struct ieee80211_info_element_hdr)) { | 933 | IEEE80211_DEBUG_MGMT("Info elem: parse failed: " |
815 | if (sizeof(struct ieee80211_info_element_hdr) + | 934 | "info_element->len + 2 > left : " |
816 | info_element->len > left) { | 935 | "info_element->len+2=%zd left=%d, id=%d.\n", |
817 | IEEE80211_DEBUG_SCAN | 936 | info_element->len + |
818 | ("SCAN: parse failed: info_element->len + 2 > left : info_element->len+2=%Zd left=%d.\n", | 937 | sizeof(*info_element), |
819 | info_element->len + | 938 | length, info_element->id); |
820 | sizeof(struct ieee80211_info_element), left); | ||
821 | return 1; | 939 | return 1; |
822 | } | 940 | } |
823 | 941 | ||
@@ -837,7 +955,7 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
837 | memset(network->ssid + network->ssid_len, 0, | 955 | memset(network->ssid + network->ssid_len, 0, |
838 | IW_ESSID_MAX_SIZE - network->ssid_len); | 956 | IW_ESSID_MAX_SIZE - network->ssid_len); |
839 | 957 | ||
840 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_SSID: '%s' len=%d.\n", | 958 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_SSID: '%s' len=%d.\n", |
841 | network->ssid, network->ssid_len); | 959 | network->ssid, network->ssid_len); |
842 | break; | 960 | break; |
843 | 961 | ||
@@ -845,15 +963,14 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
845 | #ifdef CONFIG_IEEE80211_DEBUG | 963 | #ifdef CONFIG_IEEE80211_DEBUG |
846 | p = rates_str; | 964 | p = rates_str; |
847 | #endif | 965 | #endif |
848 | network->rates_len = | 966 | network->rates_len = min(info_element->len, |
849 | min(info_element->len, MAX_RATES_LENGTH); | 967 | MAX_RATES_LENGTH); |
850 | for (i = 0; i < network->rates_len; i++) { | 968 | for (i = 0; i < network->rates_len; i++) { |
851 | network->rates[i] = info_element->data[i]; | 969 | network->rates[i] = info_element->data[i]; |
852 | #ifdef CONFIG_IEEE80211_DEBUG | 970 | #ifdef CONFIG_IEEE80211_DEBUG |
853 | p += snprintf(p, | 971 | p += snprintf(p, sizeof(rates_str) - |
854 | sizeof(rates_str) - (p - | 972 | (p - rates_str), "%02X ", |
855 | rates_str), | 973 | network->rates[i]); |
856 | "%02X ", network->rates[i]); | ||
857 | #endif | 974 | #endif |
858 | if (ieee80211_is_ofdm_rate | 975 | if (ieee80211_is_ofdm_rate |
859 | (info_element->data[i])) { | 976 | (info_element->data[i])) { |
@@ -865,7 +982,7 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
865 | } | 982 | } |
866 | } | 983 | } |
867 | 984 | ||
868 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_RATES: '%s' (%d)\n", | 985 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_RATES: '%s' (%d)\n", |
869 | rates_str, network->rates_len); | 986 | rates_str, network->rates_len); |
870 | break; | 987 | break; |
871 | 988 | ||
@@ -873,15 +990,14 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
873 | #ifdef CONFIG_IEEE80211_DEBUG | 990 | #ifdef CONFIG_IEEE80211_DEBUG |
874 | p = rates_str; | 991 | p = rates_str; |
875 | #endif | 992 | #endif |
876 | network->rates_ex_len = | 993 | network->rates_ex_len = min(info_element->len, |
877 | min(info_element->len, MAX_RATES_EX_LENGTH); | 994 | MAX_RATES_EX_LENGTH); |
878 | for (i = 0; i < network->rates_ex_len; i++) { | 995 | for (i = 0; i < network->rates_ex_len; i++) { |
879 | network->rates_ex[i] = info_element->data[i]; | 996 | network->rates_ex[i] = info_element->data[i]; |
880 | #ifdef CONFIG_IEEE80211_DEBUG | 997 | #ifdef CONFIG_IEEE80211_DEBUG |
881 | p += snprintf(p, | 998 | p += snprintf(p, sizeof(rates_str) - |
882 | sizeof(rates_str) - (p - | 999 | (p - rates_str), "%02X ", |
883 | rates_str), | 1000 | network->rates[i]); |
884 | "%02X ", network->rates[i]); | ||
885 | #endif | 1001 | #endif |
886 | if (ieee80211_is_ofdm_rate | 1002 | if (ieee80211_is_ofdm_rate |
887 | (info_element->data[i])) { | 1003 | (info_element->data[i])) { |
@@ -893,40 +1009,51 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
893 | } | 1009 | } |
894 | } | 1010 | } |
895 | 1011 | ||
896 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_RATES_EX: '%s' (%d)\n", | 1012 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_RATES_EX: '%s' (%d)\n", |
897 | rates_str, network->rates_ex_len); | 1013 | rates_str, network->rates_ex_len); |
898 | break; | 1014 | break; |
899 | 1015 | ||
900 | case MFIE_TYPE_DS_SET: | 1016 | case MFIE_TYPE_DS_SET: |
901 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n", | 1017 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_DS_SET: %d\n", |
902 | info_element->data[0]); | 1018 | info_element->data[0]); |
903 | if (stats->freq == IEEE80211_24GHZ_BAND) | 1019 | network->channel = info_element->data[0]; |
904 | network->channel = info_element->data[0]; | ||
905 | break; | 1020 | break; |
906 | 1021 | ||
907 | case MFIE_TYPE_FH_SET: | 1022 | case MFIE_TYPE_FH_SET: |
908 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n"); | 1023 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_FH_SET: ignored\n"); |
909 | break; | 1024 | break; |
910 | 1025 | ||
911 | case MFIE_TYPE_CF_SET: | 1026 | case MFIE_TYPE_CF_SET: |
912 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_CF_SET: ignored\n"); | 1027 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_CF_SET: ignored\n"); |
913 | break; | 1028 | break; |
914 | 1029 | ||
915 | case MFIE_TYPE_TIM: | 1030 | case MFIE_TYPE_TIM: |
916 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_TIM: ignored\n"); | 1031 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_TIM: ignored\n"); |
1032 | break; | ||
1033 | |||
1034 | case MFIE_TYPE_ERP_INFO: | ||
1035 | network->erp_value = info_element->data[0]; | ||
1036 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_ERP_SET: %d\n", | ||
1037 | network->erp_value); | ||
917 | break; | 1038 | break; |
918 | 1039 | ||
919 | case MFIE_TYPE_IBSS_SET: | 1040 | case MFIE_TYPE_IBSS_SET: |
920 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_IBSS_SET: ignored\n"); | 1041 | network->atim_window = info_element->data[0]; |
1042 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_IBSS_SET: %d\n", | ||
1043 | network->atim_window); | ||
921 | break; | 1044 | break; |
922 | 1045 | ||
923 | case MFIE_TYPE_CHALLENGE: | 1046 | case MFIE_TYPE_CHALLENGE: |
924 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_CHALLENGE: ignored\n"); | 1047 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_CHALLENGE: ignored\n"); |
925 | break; | 1048 | break; |
926 | 1049 | ||
927 | case MFIE_TYPE_GENERIC: | 1050 | case MFIE_TYPE_GENERIC: |
928 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", | 1051 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_GENERIC: %d bytes\n", |
929 | info_element->len); | 1052 | info_element->len); |
1053 | if (!ieee80211_parse_qos_info_param_IE(info_element, | ||
1054 | network)) | ||
1055 | break; | ||
1056 | |||
930 | if (info_element->len >= 4 && | 1057 | if (info_element->len >= 4 && |
931 | info_element->data[0] == 0x00 && | 1058 | info_element->data[0] == 0x00 && |
932 | info_element->data[1] == 0x50 && | 1059 | info_element->data[1] == 0x50 && |
@@ -940,7 +1067,7 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
940 | break; | 1067 | break; |
941 | 1068 | ||
942 | case MFIE_TYPE_RSN: | 1069 | case MFIE_TYPE_RSN: |
943 | IEEE80211_DEBUG_SCAN("MFIE_TYPE_RSN: %d bytes\n", | 1070 | IEEE80211_DEBUG_MGMT("MFIE_TYPE_RSN: %d bytes\n", |
944 | info_element->len); | 1071 | info_element->len); |
945 | network->rsn_ie_len = min(info_element->len + 2, | 1072 | network->rsn_ie_len = min(info_element->len + 2, |
946 | MAX_WPA_IE_LEN); | 1073 | MAX_WPA_IE_LEN); |
@@ -948,18 +1075,127 @@ static inline int ieee80211_network_init(struct ieee80211_device *ieee, | |||
948 | network->rsn_ie_len); | 1075 | network->rsn_ie_len); |
949 | break; | 1076 | break; |
950 | 1077 | ||
1078 | case MFIE_TYPE_QOS_PARAMETER: | ||
1079 | printk(KERN_ERR | ||
1080 | "QoS Error need to parse QOS_PARAMETER IE\n"); | ||
1081 | break; | ||
1082 | |||
951 | default: | 1083 | default: |
952 | IEEE80211_DEBUG_SCAN("unsupported IE %d\n", | 1084 | IEEE80211_DEBUG_MGMT("unsupported IE %d\n", |
953 | info_element->id); | 1085 | info_element->id); |
954 | break; | 1086 | break; |
955 | } | 1087 | } |
956 | 1088 | ||
957 | left -= sizeof(struct ieee80211_info_element_hdr) + | 1089 | length -= sizeof(*info_element) + info_element->len; |
958 | info_element->len; | 1090 | info_element = |
959 | info_element = (struct ieee80211_info_element *) | 1091 | (struct ieee80211_info_element *)&info_element-> |
960 | &info_element->data[info_element->len]; | 1092 | data[info_element->len]; |
1093 | } | ||
1094 | |||
1095 | return 0; | ||
1096 | } | ||
1097 | |||
1098 | static int ieee80211_handle_assoc_resp(struct ieee80211_device *ieee, struct ieee80211_assoc_response | ||
1099 | *frame, struct ieee80211_rx_stats *stats) | ||
1100 | { | ||
1101 | struct ieee80211_network network_resp; | ||
1102 | struct ieee80211_network *network = &network_resp; | ||
1103 | struct net_device *dev = ieee->dev; | ||
1104 | |||
1105 | network->flags = 0; | ||
1106 | network->qos_data.active = 0; | ||
1107 | network->qos_data.supported = 0; | ||
1108 | network->qos_data.param_count = 0; | ||
1109 | network->qos_data.old_param_count = 0; | ||
1110 | |||
1111 | //network->atim_window = le16_to_cpu(frame->aid) & (0x3FFF); | ||
1112 | network->atim_window = le16_to_cpu(frame->aid); | ||
1113 | network->listen_interval = le16_to_cpu(frame->status); | ||
1114 | memcpy(network->bssid, frame->header.addr3, ETH_ALEN); | ||
1115 | network->capability = le16_to_cpu(frame->capability); | ||
1116 | network->last_scanned = jiffies; | ||
1117 | network->rates_len = network->rates_ex_len = 0; | ||
1118 | network->last_associate = 0; | ||
1119 | network->ssid_len = 0; | ||
1120 | network->erp_value = | ||
1121 | (network->capability & WLAN_CAPABILITY_IBSS) ? 0x3 : 0x0; | ||
1122 | |||
1123 | if (stats->freq == IEEE80211_52GHZ_BAND) { | ||
1124 | /* for A band (No DS info) */ | ||
1125 | network->channel = stats->received_channel; | ||
1126 | } else | ||
1127 | network->flags |= NETWORK_HAS_CCK; | ||
1128 | |||
1129 | network->wpa_ie_len = 0; | ||
1130 | network->rsn_ie_len = 0; | ||
1131 | |||
1132 | if (ieee80211_parse_info_param | ||
1133 | (frame->info_element, stats->len - sizeof(*frame), network)) | ||
1134 | return 1; | ||
1135 | |||
1136 | network->mode = 0; | ||
1137 | if (stats->freq == IEEE80211_52GHZ_BAND) | ||
1138 | network->mode = IEEE_A; | ||
1139 | else { | ||
1140 | if (network->flags & NETWORK_HAS_OFDM) | ||
1141 | network->mode |= IEEE_G; | ||
1142 | if (network->flags & NETWORK_HAS_CCK) | ||
1143 | network->mode |= IEEE_B; | ||
961 | } | 1144 | } |
962 | 1145 | ||
1146 | if (ieee80211_is_empty_essid(network->ssid, network->ssid_len)) | ||
1147 | network->flags |= NETWORK_EMPTY_ESSID; | ||
1148 | |||
1149 | memcpy(&network->stats, stats, sizeof(network->stats)); | ||
1150 | |||
1151 | if (ieee->handle_assoc_response != NULL) | ||
1152 | ieee->handle_assoc_response(dev, frame, network); | ||
1153 | |||
1154 | return 0; | ||
1155 | } | ||
1156 | |||
1157 | /***************************************************/ | ||
1158 | |||
1159 | static inline int ieee80211_network_init(struct ieee80211_device *ieee, struct ieee80211_probe_response | ||
1160 | *beacon, | ||
1161 | struct ieee80211_network *network, | ||
1162 | struct ieee80211_rx_stats *stats) | ||
1163 | { | ||
1164 | network->qos_data.active = 0; | ||
1165 | network->qos_data.supported = 0; | ||
1166 | network->qos_data.param_count = 0; | ||
1167 | network->qos_data.old_param_count = 0; | ||
1168 | |||
1169 | /* Pull out fixed field data */ | ||
1170 | memcpy(network->bssid, beacon->header.addr3, ETH_ALEN); | ||
1171 | network->capability = le16_to_cpu(beacon->capability); | ||
1172 | network->last_scanned = jiffies; | ||
1173 | network->time_stamp[0] = le32_to_cpu(beacon->time_stamp[0]); | ||
1174 | network->time_stamp[1] = le32_to_cpu(beacon->time_stamp[1]); | ||
1175 | network->beacon_interval = le16_to_cpu(beacon->beacon_interval); | ||
1176 | /* Where to pull this? beacon->listen_interval; */ | ||
1177 | network->listen_interval = 0x0A; | ||
1178 | network->rates_len = network->rates_ex_len = 0; | ||
1179 | network->last_associate = 0; | ||
1180 | network->ssid_len = 0; | ||
1181 | network->flags = 0; | ||
1182 | network->atim_window = 0; | ||
1183 | network->erp_value = (network->capability & WLAN_CAPABILITY_IBSS) ? | ||
1184 | 0x3 : 0x0; | ||
1185 | |||
1186 | if (stats->freq == IEEE80211_52GHZ_BAND) { | ||
1187 | /* for A band (No DS info) */ | ||
1188 | network->channel = stats->received_channel; | ||
1189 | } else | ||
1190 | network->flags |= NETWORK_HAS_CCK; | ||
1191 | |||
1192 | network->wpa_ie_len = 0; | ||
1193 | network->rsn_ie_len = 0; | ||
1194 | |||
1195 | if (ieee80211_parse_info_param | ||
1196 | (beacon->info_element, stats->len - sizeof(*beacon), network)) | ||
1197 | return 1; | ||
1198 | |||
963 | network->mode = 0; | 1199 | network->mode = 0; |
964 | if (stats->freq == IEEE80211_52GHZ_BAND) | 1200 | if (stats->freq == IEEE80211_52GHZ_BAND) |
965 | network->mode = IEEE_A; | 1201 | network->mode = IEEE_A; |
@@ -1002,6 +1238,9 @@ static inline int is_same_network(struct ieee80211_network *src, | |||
1002 | static inline void update_network(struct ieee80211_network *dst, | 1238 | static inline void update_network(struct ieee80211_network *dst, |
1003 | struct ieee80211_network *src) | 1239 | struct ieee80211_network *src) |
1004 | { | 1240 | { |
1241 | int qos_active; | ||
1242 | u8 old_param; | ||
1243 | |||
1005 | memcpy(&dst->stats, &src->stats, sizeof(struct ieee80211_rx_stats)); | 1244 | memcpy(&dst->stats, &src->stats, sizeof(struct ieee80211_rx_stats)); |
1006 | dst->capability = src->capability; | 1245 | dst->capability = src->capability; |
1007 | memcpy(dst->rates, src->rates, src->rates_len); | 1246 | memcpy(dst->rates, src->rates, src->rates_len); |
@@ -1017,6 +1256,7 @@ static inline void update_network(struct ieee80211_network *dst, | |||
1017 | dst->beacon_interval = src->beacon_interval; | 1256 | dst->beacon_interval = src->beacon_interval; |
1018 | dst->listen_interval = src->listen_interval; | 1257 | dst->listen_interval = src->listen_interval; |
1019 | dst->atim_window = src->atim_window; | 1258 | dst->atim_window = src->atim_window; |
1259 | dst->erp_value = src->erp_value; | ||
1020 | 1260 | ||
1021 | memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len); | 1261 | memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len); |
1022 | dst->wpa_ie_len = src->wpa_ie_len; | 1262 | dst->wpa_ie_len = src->wpa_ie_len; |
@@ -1024,22 +1264,48 @@ static inline void update_network(struct ieee80211_network *dst, | |||
1024 | dst->rsn_ie_len = src->rsn_ie_len; | 1264 | dst->rsn_ie_len = src->rsn_ie_len; |
1025 | 1265 | ||
1026 | dst->last_scanned = jiffies; | 1266 | dst->last_scanned = jiffies; |
1267 | qos_active = src->qos_data.active; | ||
1268 | old_param = dst->qos_data.old_param_count; | ||
1269 | if (dst->flags & NETWORK_HAS_QOS_MASK) | ||
1270 | memcpy(&dst->qos_data, &src->qos_data, | ||
1271 | sizeof(struct ieee80211_qos_data)); | ||
1272 | else { | ||
1273 | dst->qos_data.supported = src->qos_data.supported; | ||
1274 | dst->qos_data.param_count = src->qos_data.param_count; | ||
1275 | } | ||
1276 | |||
1277 | if (dst->qos_data.supported == 1) { | ||
1278 | if (dst->ssid_len) | ||
1279 | IEEE80211_DEBUG_QOS | ||
1280 | ("QoS the network %s is QoS supported\n", | ||
1281 | dst->ssid); | ||
1282 | else | ||
1283 | IEEE80211_DEBUG_QOS | ||
1284 | ("QoS the network is QoS supported\n"); | ||
1285 | } | ||
1286 | dst->qos_data.active = qos_active; | ||
1287 | dst->qos_data.old_param_count = old_param; | ||
1288 | |||
1027 | /* dst->last_associate is not overwritten */ | 1289 | /* dst->last_associate is not overwritten */ |
1028 | } | 1290 | } |
1029 | 1291 | ||
1292 | static inline int is_beacon(int fc) | ||
1293 | { | ||
1294 | return (WLAN_FC_GET_STYPE(le16_to_cpu(fc)) == IEEE80211_STYPE_BEACON); | ||
1295 | } | ||
1296 | |||
1030 | static inline void ieee80211_process_probe_response(struct ieee80211_device | 1297 | static inline void ieee80211_process_probe_response(struct ieee80211_device |
1031 | *ieee, | 1298 | *ieee, struct |
1032 | struct | ||
1033 | ieee80211_probe_response | 1299 | ieee80211_probe_response |
1034 | *beacon, | 1300 | *beacon, struct ieee80211_rx_stats |
1035 | struct ieee80211_rx_stats | ||
1036 | *stats) | 1301 | *stats) |
1037 | { | 1302 | { |
1303 | struct net_device *dev = ieee->dev; | ||
1038 | struct ieee80211_network network; | 1304 | struct ieee80211_network network; |
1039 | struct ieee80211_network *target; | 1305 | struct ieee80211_network *target; |
1040 | struct ieee80211_network *oldest = NULL; | 1306 | struct ieee80211_network *oldest = NULL; |
1041 | #ifdef CONFIG_IEEE80211_DEBUG | 1307 | #ifdef CONFIG_IEEE80211_DEBUG |
1042 | struct ieee80211_info_element *info_element = &beacon->info_element; | 1308 | struct ieee80211_info_element *info_element = beacon->info_element; |
1043 | #endif | 1309 | #endif |
1044 | unsigned long flags; | 1310 | unsigned long flags; |
1045 | 1311 | ||
@@ -1070,10 +1336,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device | |||
1070 | escape_essid(info_element->data, | 1336 | escape_essid(info_element->data, |
1071 | info_element->len), | 1337 | info_element->len), |
1072 | MAC_ARG(beacon->header.addr3), | 1338 | MAC_ARG(beacon->header.addr3), |
1073 | WLAN_FC_GET_STYPE(beacon->header. | 1339 | is_beacon(le16_to_cpu |
1074 | frame_ctl) == | 1340 | (beacon->header. |
1075 | IEEE80211_STYPE_PROBE_RESP ? | 1341 | frame_ctl)) ? |
1076 | "PROBE RESPONSE" : "BEACON"); | 1342 | "BEACON" : "PROBE RESPONSE"); |
1077 | return; | 1343 | return; |
1078 | } | 1344 | } |
1079 | 1345 | ||
@@ -1122,10 +1388,10 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device | |||
1122 | escape_essid(network.ssid, | 1388 | escape_essid(network.ssid, |
1123 | network.ssid_len), | 1389 | network.ssid_len), |
1124 | MAC_ARG(network.bssid), | 1390 | MAC_ARG(network.bssid), |
1125 | WLAN_FC_GET_STYPE(beacon->header. | 1391 | is_beacon(le16_to_cpu |
1126 | frame_ctl) == | 1392 | (beacon->header. |
1127 | IEEE80211_STYPE_PROBE_RESP ? | 1393 | frame_ctl)) ? |
1128 | "PROBE RESPONSE" : "BEACON"); | 1394 | "BEACON" : "PROBE RESPONSE"); |
1129 | #endif | 1395 | #endif |
1130 | memcpy(target, &network, sizeof(*target)); | 1396 | memcpy(target, &network, sizeof(*target)); |
1131 | list_add_tail(&target->list, &ieee->network_list); | 1397 | list_add_tail(&target->list, &ieee->network_list); |
@@ -1134,34 +1400,60 @@ static inline void ieee80211_process_probe_response(struct ieee80211_device | |||
1134 | escape_essid(target->ssid, | 1400 | escape_essid(target->ssid, |
1135 | target->ssid_len), | 1401 | target->ssid_len), |
1136 | MAC_ARG(target->bssid), | 1402 | MAC_ARG(target->bssid), |
1137 | WLAN_FC_GET_STYPE(beacon->header. | 1403 | is_beacon(le16_to_cpu |
1138 | frame_ctl) == | 1404 | (beacon->header. |
1139 | IEEE80211_STYPE_PROBE_RESP ? | 1405 | frame_ctl)) ? |
1140 | "PROBE RESPONSE" : "BEACON"); | 1406 | "BEACON" : "PROBE RESPONSE"); |
1141 | update_network(target, &network); | 1407 | update_network(target, &network); |
1142 | } | 1408 | } |
1143 | 1409 | ||
1144 | spin_unlock_irqrestore(&ieee->lock, flags); | 1410 | spin_unlock_irqrestore(&ieee->lock, flags); |
1411 | |||
1412 | if (is_beacon(le16_to_cpu(beacon->header.frame_ctl))) { | ||
1413 | if (ieee->handle_beacon != NULL) | ||
1414 | ieee->handle_beacon(dev, beacon, &network); | ||
1415 | } else { | ||
1416 | if (ieee->handle_probe_response != NULL) | ||
1417 | ieee->handle_probe_response(dev, beacon, &network); | ||
1418 | } | ||
1145 | } | 1419 | } |
1146 | 1420 | ||
1147 | void ieee80211_rx_mgt(struct ieee80211_device *ieee, | 1421 | void ieee80211_rx_mgt(struct ieee80211_device *ieee, |
1148 | struct ieee80211_hdr *header, | 1422 | struct ieee80211_hdr_4addr *header, |
1149 | struct ieee80211_rx_stats *stats) | 1423 | struct ieee80211_rx_stats *stats) |
1150 | { | 1424 | { |
1151 | switch (WLAN_FC_GET_STYPE(header->frame_ctl)) { | 1425 | switch (WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl))) { |
1152 | case IEEE80211_STYPE_ASSOC_RESP: | 1426 | case IEEE80211_STYPE_ASSOC_RESP: |
1153 | IEEE80211_DEBUG_MGMT("received ASSOCIATION RESPONSE (%d)\n", | 1427 | IEEE80211_DEBUG_MGMT("received ASSOCIATION RESPONSE (%d)\n", |
1154 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1428 | WLAN_FC_GET_STYPE(le16_to_cpu |
1429 | (header->frame_ctl))); | ||
1430 | ieee80211_handle_assoc_resp(ieee, | ||
1431 | (struct ieee80211_assoc_response *) | ||
1432 | header, stats); | ||
1155 | break; | 1433 | break; |
1156 | 1434 | ||
1157 | case IEEE80211_STYPE_REASSOC_RESP: | 1435 | case IEEE80211_STYPE_REASSOC_RESP: |
1158 | IEEE80211_DEBUG_MGMT("received REASSOCIATION RESPONSE (%d)\n", | 1436 | IEEE80211_DEBUG_MGMT("received REASSOCIATION RESPONSE (%d)\n", |
1159 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1437 | WLAN_FC_GET_STYPE(le16_to_cpu |
1438 | (header->frame_ctl))); | ||
1439 | break; | ||
1440 | |||
1441 | case IEEE80211_STYPE_PROBE_REQ: | ||
1442 | IEEE80211_DEBUG_MGMT("recieved auth (%d)\n", | ||
1443 | WLAN_FC_GET_STYPE(le16_to_cpu | ||
1444 | (header->frame_ctl))); | ||
1445 | |||
1446 | if (ieee->handle_probe_request != NULL) | ||
1447 | ieee->handle_probe_request(ieee->dev, | ||
1448 | (struct | ||
1449 | ieee80211_probe_request *) | ||
1450 | header, stats); | ||
1160 | break; | 1451 | break; |
1161 | 1452 | ||
1162 | case IEEE80211_STYPE_PROBE_RESP: | 1453 | case IEEE80211_STYPE_PROBE_RESP: |
1163 | IEEE80211_DEBUG_MGMT("received PROBE RESPONSE (%d)\n", | 1454 | IEEE80211_DEBUG_MGMT("received PROBE RESPONSE (%d)\n", |
1164 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1455 | WLAN_FC_GET_STYPE(le16_to_cpu |
1456 | (header->frame_ctl))); | ||
1165 | IEEE80211_DEBUG_SCAN("Probe response\n"); | 1457 | IEEE80211_DEBUG_SCAN("Probe response\n"); |
1166 | ieee80211_process_probe_response(ieee, | 1458 | ieee80211_process_probe_response(ieee, |
1167 | (struct | 1459 | (struct |
@@ -1171,20 +1463,46 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee, | |||
1171 | 1463 | ||
1172 | case IEEE80211_STYPE_BEACON: | 1464 | case IEEE80211_STYPE_BEACON: |
1173 | IEEE80211_DEBUG_MGMT("received BEACON (%d)\n", | 1465 | IEEE80211_DEBUG_MGMT("received BEACON (%d)\n", |
1174 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1466 | WLAN_FC_GET_STYPE(le16_to_cpu |
1467 | (header->frame_ctl))); | ||
1175 | IEEE80211_DEBUG_SCAN("Beacon\n"); | 1468 | IEEE80211_DEBUG_SCAN("Beacon\n"); |
1176 | ieee80211_process_probe_response(ieee, | 1469 | ieee80211_process_probe_response(ieee, |
1177 | (struct | 1470 | (struct |
1178 | ieee80211_probe_response *) | 1471 | ieee80211_probe_response *) |
1179 | header, stats); | 1472 | header, stats); |
1180 | break; | 1473 | break; |
1474 | case IEEE80211_STYPE_AUTH: | ||
1181 | 1475 | ||
1476 | IEEE80211_DEBUG_MGMT("recieved auth (%d)\n", | ||
1477 | WLAN_FC_GET_STYPE(le16_to_cpu | ||
1478 | (header->frame_ctl))); | ||
1479 | |||
1480 | if (ieee->handle_auth != NULL) | ||
1481 | ieee->handle_auth(ieee->dev, | ||
1482 | (struct ieee80211_auth *)header); | ||
1483 | break; | ||
1484 | |||
1485 | case IEEE80211_STYPE_DISASSOC: | ||
1486 | if (ieee->handle_disassoc != NULL) | ||
1487 | ieee->handle_disassoc(ieee->dev, | ||
1488 | (struct ieee80211_disassoc *) | ||
1489 | header); | ||
1490 | break; | ||
1491 | |||
1492 | case IEEE80211_STYPE_DEAUTH: | ||
1493 | printk("DEAUTH from AP\n"); | ||
1494 | if (ieee->handle_deauth != NULL) | ||
1495 | ieee->handle_deauth(ieee->dev, (struct ieee80211_auth *) | ||
1496 | header); | ||
1497 | break; | ||
1182 | default: | 1498 | default: |
1183 | IEEE80211_DEBUG_MGMT("received UNKNOWN (%d)\n", | 1499 | IEEE80211_DEBUG_MGMT("received UNKNOWN (%d)\n", |
1184 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1500 | WLAN_FC_GET_STYPE(le16_to_cpu |
1501 | (header->frame_ctl))); | ||
1185 | IEEE80211_WARNING("%s: Unknown management packet: %d\n", | 1502 | IEEE80211_WARNING("%s: Unknown management packet: %d\n", |
1186 | ieee->dev->name, | 1503 | ieee->dev->name, |
1187 | WLAN_FC_GET_STYPE(header->frame_ctl)); | 1504 | WLAN_FC_GET_STYPE(le16_to_cpu |
1505 | (header->frame_ctl))); | ||
1188 | break; | 1506 | break; |
1189 | } | 1507 | } |
1190 | } | 1508 | } |