Lines Matching full:rx
727 * RX header they pull before we get here, and that should in ieee80211_make_monitor_skb()
803 * (2) the other RX handlers will modify the skb we got. in ieee80211_rx_monitor()
885 static void ieee80211_parse_qos(struct ieee80211_rx_data *rx) in ieee80211_parse_qos() argument
887 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_parse_qos()
888 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_parse_qos()
920 rx->seqno_idx = seqno_idx; in ieee80211_parse_qos()
921 rx->security_idx = security_idx; in ieee80211_parse_qos()
924 rx->skb->priority = (tid > 7) ? 0 : tid; in ieee80211_parse_qos()
952 static void ieee80211_verify_alignment(struct ieee80211_rx_data *rx) in ieee80211_verify_alignment() argument
955 WARN_ON_ONCE((unsigned long)rx->skb->data & 1); in ieee80211_verify_alignment()
960 /* rx handlers */
1032 static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) in ieee80211_rx_mesh_check() argument
1034 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_mesh_check()
1035 char *dev_addr = rx->sdata->vif.addr; in ieee80211_rx_mesh_check()
1056 if (!rx->sta || sta_plink_state(rx->sta) != NL80211_PLINK_ESTAB) { in ieee80211_rx_mesh_check()
1066 if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE) in ieee80211_rx_mesh_check()
1160 * Timeout (in jiffies) for skb's that are waiting in the RX reorder buffer. If
1204 "release an RX reorder frame due to timeout on earlier frames\n"); in ieee80211_sta_reorder_release()
1243 * As this function belongs to the RX path it must be under
1347 static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx, in ieee80211_rx_reorder_ampdu() argument
1350 struct sk_buff *skb = rx->skb; in ieee80211_rx_reorder_ampdu()
1352 struct sta_info *sta = rx->sta; in ieee80211_rx_reorder_ampdu()
1362 * filter the QoS data rx stream according to in ieee80211_rx_reorder_ampdu()
1376 !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) && in ieee80211_rx_reorder_ampdu()
1377 !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg)) in ieee80211_rx_reorder_ampdu()
1378 ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid, in ieee80211_rx_reorder_ampdu()
1398 /* if this mpdu is fragmented - terminate rx aggregation session */ in ieee80211_rx_reorder_ampdu()
1401 ieee80211_queue_skb_to_iface(rx->sdata, rx->link_id, NULL, skb); in ieee80211_rx_reorder_ampdu()
1407 * RX packet at a time, and thus own tid_agg_rx. All in ieee80211_rx_reorder_ampdu()
1412 if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb, in ieee80211_rx_reorder_ampdu()
1421 ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx) in ieee80211_rx_h_check_dup() argument
1423 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_check_dup()
1424 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_check_dup()
1434 if (rx->skb->len < 24) in ieee80211_rx_h_check_dup()
1442 if (!rx->sta) in ieee80211_rx_h_check_dup()
1446 rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { in ieee80211_rx_h_check_dup()
1447 I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount); in ieee80211_rx_h_check_dup()
1448 rx->link_sta->rx_stats.num_duplicates++; in ieee80211_rx_h_check_dup()
1451 rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl; in ieee80211_rx_h_check_dup()
1458 ieee80211_rx_h_check(struct ieee80211_rx_data *rx) in ieee80211_rx_h_check() argument
1460 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_check()
1471 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) in ieee80211_rx_h_check()
1472 return ieee80211_rx_mesh_check(rx); in ieee80211_rx_h_check()
1476 rx->sdata->vif.type != NL80211_IFTYPE_ADHOC && in ieee80211_rx_h_check()
1477 rx->sdata->vif.type != NL80211_IFTYPE_OCB && in ieee80211_rx_h_check()
1478 (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) { in ieee80211_rx_h_check()
1484 if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION && in ieee80211_rx_h_check()
1491 if (rx->skb->len < hdrlen + 8) in ieee80211_rx_h_check()
1494 skb_copy_bits(rx->skb, hdrlen + 6, ðertype, 2); in ieee80211_rx_h_check()
1495 if (ethertype == rx->sdata->control_port_protocol) in ieee80211_rx_h_check()
1499 if (rx->sdata->vif.type == NL80211_IFTYPE_AP && in ieee80211_rx_h_check()
1500 cfg80211_rx_spurious_frame(rx->sdata->dev, in ieee80211_rx_h_check()
1513 ieee80211_rx_h_check_more_data(struct ieee80211_rx_data *rx) in ieee80211_rx_h_check_more_data() argument
1519 local = rx->local; in ieee80211_rx_h_check_more_data()
1520 skb = rx->skb; in ieee80211_rx_h_check_more_data()
1540 ieee80211_send_pspoll(local, rx->sdata); in ieee80211_rx_h_check_more_data()
1670 ieee80211_rx_h_uapsd_and_pspoll(struct ieee80211_rx_data *rx) in ieee80211_rx_h_uapsd_and_pspoll() argument
1672 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_uapsd_and_pspoll()
1673 struct ieee80211_hdr *hdr = (void *)rx->skb->data; in ieee80211_rx_h_uapsd_and_pspoll()
1674 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_uapsd_and_pspoll()
1676 if (!rx->sta) in ieee80211_rx_h_uapsd_and_pspoll()
1696 if (!test_sta_flag(rx->sta, WLAN_STA_PS_STA)) in ieee80211_rx_h_uapsd_and_pspoll()
1700 ieee80211_sta_pspoll(&rx->sta->sta); in ieee80211_rx_h_uapsd_and_pspoll()
1704 dev_kfree_skb(rx->skb); in ieee80211_rx_h_uapsd_and_pspoll()
1714 ieee80211_sta_uapsd_trigger(&rx->sta->sta, tid); in ieee80211_rx_h_uapsd_and_pspoll()
1721 ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) in ieee80211_rx_h_sta_process() argument
1723 struct sta_info *sta = rx->sta; in ieee80211_rx_h_sta_process()
1724 struct link_sta_info *link_sta = rx->link_sta; in ieee80211_rx_h_sta_process()
1725 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_sta_process()
1741 if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) { in ieee80211_rx_h_sta_process()
1742 u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, in ieee80211_rx_h_sta_process()
1744 if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) && in ieee80211_rx_h_sta_process()
1752 } else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) { in ieee80211_rx_h_sta_process()
1768 link_sta->rx_stats.bytes += rx->skb->len; in ieee80211_rx_h_sta_process()
1805 (rx->sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_rx_h_sta_process()
1806 rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { in ieee80211_rx_h_sta_process()
1817 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) in ieee80211_rx_h_sta_process()
1825 I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc); in ieee80211_rx_h_sta_process()
1834 (rx->sdata->vif.type == NL80211_IFTYPE_AP || in ieee80211_rx_h_sta_process()
1835 (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_sta_process()
1836 !rx->sdata->u.vlan.sta))) { in ieee80211_rx_h_sta_process()
1839 rx->sdata->dev, sta->sta.addr, in ieee80211_rx_h_sta_process()
1848 dev_kfree_skb(rx->skb); in ieee80211_rx_h_sta_process()
1856 ieee80211_rx_get_bigtk(struct ieee80211_rx_data *rx, int idx) in ieee80211_rx_get_bigtk() argument
1877 if (rx->link_sta) in ieee80211_rx_get_bigtk()
1878 key = rcu_dereference(rx->link_sta->gtk[idx]); in ieee80211_rx_get_bigtk()
1880 key = rcu_dereference(rx->link->gtk[idx]); in ieee80211_rx_get_bigtk()
1881 if (!key && rx->link_sta) in ieee80211_rx_get_bigtk()
1882 key = rcu_dereference(rx->link_sta->gtk[idx2]); in ieee80211_rx_get_bigtk()
1884 key = rcu_dereference(rx->link->gtk[idx2]); in ieee80211_rx_get_bigtk()
1890 ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) in ieee80211_rx_h_decrypt() argument
1892 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_decrypt()
1934 rx->key = NULL; in ieee80211_rx_h_decrypt()
1937 if (rx->sta) { in ieee80211_rx_h_decrypt()
1938 int keyid = rx->sta->ptk_idx; in ieee80211_rx_h_decrypt()
1939 sta_ptk = rcu_dereference(rx->sta->ptk[keyid]); in ieee80211_rx_h_decrypt()
1943 keyid = ieee80211_get_keyid(rx->skb); in ieee80211_rx_h_decrypt()
1948 ptk_idx = rcu_dereference(rx->sta->ptk[keyid]); in ieee80211_rx_h_decrypt()
1953 mmie_keyidx = ieee80211_get_mmie_keyidx(rx->skb); in ieee80211_rx_h_decrypt()
1956 rx->key = ptk_idx ? ptk_idx : sta_ptk; in ieee80211_rx_h_decrypt()
1972 if (rx->sdata->dev) in ieee80211_rx_h_decrypt()
1973 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_rx_h_decrypt()
1979 rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx); in ieee80211_rx_h_decrypt()
1980 if (!rx->key) in ieee80211_rx_h_decrypt()
1991 if (rx->link_sta) { in ieee80211_rx_h_decrypt()
1993 test_sta_flag(rx->sta, WLAN_STA_MFP)) in ieee80211_rx_h_decrypt()
1996 rx->key = rcu_dereference(rx->link_sta->gtk[mmie_keyidx]); in ieee80211_rx_h_decrypt()
1998 if (!rx->key) in ieee80211_rx_h_decrypt()
1999 rx->key = rcu_dereference(rx->link->gtk[mmie_keyidx]); in ieee80211_rx_h_decrypt()
2003 * need to set rx->key if there is a key that could have been in ieee80211_rx_h_decrypt()
2011 key = ieee80211_rx_get_bigtk(rx, -1); in ieee80211_rx_h_decrypt()
2014 key = rcu_dereference(rx->link->default_mgmt_key); in ieee80211_rx_h_decrypt()
2016 if (rx->link_sta) { in ieee80211_rx_h_decrypt()
2018 key = rcu_dereference(rx->link_sta->gtk[i]); in ieee80211_rx_h_decrypt()
2025 key = rcu_dereference(rx->link->gtk[i]); in ieee80211_rx_h_decrypt()
2032 rx->key = key; in ieee80211_rx_h_decrypt()
2048 keyidx = ieee80211_get_keyid(rx->skb); in ieee80211_rx_h_decrypt()
2054 if (is_multicast_ether_addr(hdr->addr1) && rx->link_sta) in ieee80211_rx_h_decrypt()
2055 rx->key = rcu_dereference(rx->link_sta->gtk[keyidx]); in ieee80211_rx_h_decrypt()
2058 if (!rx->key) { in ieee80211_rx_h_decrypt()
2060 rx->key = rcu_dereference(rx->link->gtk[keyidx]); in ieee80211_rx_h_decrypt()
2061 if (!rx->key) in ieee80211_rx_h_decrypt()
2062 rx->key = rcu_dereference(rx->sdata->keys[keyidx]); in ieee80211_rx_h_decrypt()
2069 if (rx->key && in ieee80211_rx_h_decrypt()
2070 rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP40 && in ieee80211_rx_h_decrypt()
2071 rx->key->conf.cipher != WLAN_CIPHER_SUITE_WEP104 && in ieee80211_rx_h_decrypt()
2073 rx->key = NULL; in ieee80211_rx_h_decrypt()
2077 if (rx->key) { in ieee80211_rx_h_decrypt()
2078 if (unlikely(rx->key->flags & KEY_FLAG_TAINTED)) in ieee80211_rx_h_decrypt()
2086 switch (rx->key->conf.cipher) { in ieee80211_rx_h_decrypt()
2089 result = ieee80211_crypto_wep_decrypt(rx); in ieee80211_rx_h_decrypt()
2092 result = ieee80211_crypto_tkip_decrypt(rx); in ieee80211_rx_h_decrypt()
2096 rx, IEEE80211_CCMP_MIC_LEN); in ieee80211_rx_h_decrypt()
2100 rx, IEEE80211_CCMP_256_MIC_LEN); in ieee80211_rx_h_decrypt()
2103 result = ieee80211_crypto_aes_cmac_decrypt(rx); in ieee80211_rx_h_decrypt()
2106 result = ieee80211_crypto_aes_cmac_256_decrypt(rx); in ieee80211_rx_h_decrypt()
2110 result = ieee80211_crypto_aes_gmac_decrypt(rx); in ieee80211_rx_h_decrypt()
2114 result = ieee80211_crypto_gcmp_decrypt(rx); in ieee80211_rx_h_decrypt()
2126 rx->sdata->dev)) in ieee80211_rx_h_decrypt()
2127 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_rx_h_decrypt()
2219 static bool requires_sequential_pn(struct ieee80211_rx_data *rx, __le16 fc) in requires_sequential_pn() argument
2221 return rx->key && in requires_sequential_pn()
2222 (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP || in requires_sequential_pn()
2223 rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256 || in requires_sequential_pn()
2224 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP || in requires_sequential_pn()
2225 rx->key->conf.cipher == WLAN_CIPHER_SUITE_GCMP_256) && in requires_sequential_pn()
2230 ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) in ieee80211_rx_h_defragment() argument
2232 struct ieee80211_fragment_cache *cache = &rx->sdata->frags; in ieee80211_rx_h_defragment()
2239 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_defragment()
2241 hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_defragment()
2250 if (rx->sta) in ieee80211_rx_h_defragment()
2251 cache = &rx->sta->frags; in ieee80211_rx_h_defragment()
2259 I802_DEBUG_INC(rx->local->rx_handlers_fragments); in ieee80211_rx_h_defragment()
2261 if (skb_linearize(rx->skb)) in ieee80211_rx_h_defragment()
2269 hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_defragment()
2275 rx->seqno_idx, &(rx->skb)); in ieee80211_rx_h_defragment()
2276 if (requires_sequential_pn(rx, fc)) { in ieee80211_rx_h_defragment()
2277 int queue = rx->security_idx; in ieee80211_rx_h_defragment()
2284 entry->key_color = rx->key->color; in ieee80211_rx_h_defragment()
2286 rx->key->u.ccmp.rx_pn[queue], in ieee80211_rx_h_defragment()
2292 BUILD_BUG_ON(sizeof(rx->key->u.ccmp.rx_pn[queue]) != in ieee80211_rx_h_defragment()
2293 sizeof(rx->key->u.gcmp.rx_pn[queue])); in ieee80211_rx_h_defragment()
2296 } else if (rx->key && in ieee80211_rx_h_defragment()
2300 entry->key_color = rx->key->color; in ieee80211_rx_h_defragment()
2309 rx->seqno_idx, hdr); in ieee80211_rx_h_defragment()
2311 I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); in ieee80211_rx_h_defragment()
2324 if (!requires_sequential_pn(rx, fc)) in ieee80211_rx_h_defragment()
2328 if (entry->key_color != rx->key->color) in ieee80211_rx_h_defragment()
2338 rpn = rx->ccm_gcm.pn; in ieee80211_rx_h_defragment()
2343 (!rx->key || in ieee80211_rx_h_defragment()
2346 rx->key->color != entry->key_color)) { in ieee80211_rx_h_defragment()
2352 } else if (entry->is_protected && rx->key && in ieee80211_rx_h_defragment()
2353 entry->key_color != rx->key->color && in ieee80211_rx_h_defragment()
2358 skb_pull(rx->skb, ieee80211_hdrlen(fc)); in ieee80211_rx_h_defragment()
2359 __skb_queue_tail(&entry->skb_list, rx->skb); in ieee80211_rx_h_defragment()
2361 entry->extra_len += rx->skb->len; in ieee80211_rx_h_defragment()
2363 rx->skb = NULL; in ieee80211_rx_h_defragment()
2367 rx->skb = __skb_dequeue(&entry->skb_list); in ieee80211_rx_h_defragment()
2368 if (skb_tailroom(rx->skb) < entry->extra_len) { in ieee80211_rx_h_defragment()
2369 I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag); in ieee80211_rx_h_defragment()
2370 if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len, in ieee80211_rx_h_defragment()
2372 I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); in ieee80211_rx_h_defragment()
2378 skb_put_data(rx->skb, skb->data, skb->len); in ieee80211_rx_h_defragment()
2383 ieee80211_led_rx(rx->local); in ieee80211_rx_h_defragment()
2384 if (rx->sta) in ieee80211_rx_h_defragment()
2385 rx->link_sta->rx_stats.packets++; in ieee80211_rx_h_defragment()
2389 static int ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx) in ieee80211_802_1x_port_control() argument
2391 if (unlikely(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_AUTHORIZED))) in ieee80211_802_1x_port_control()
2397 static int ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc) in ieee80211_drop_unencrypted() argument
2399 struct sk_buff *skb = rx->skb; in ieee80211_drop_unencrypted()
2412 ieee80211_is_data(fc) && rx->key)) in ieee80211_drop_unencrypted()
2419 ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx) in ieee80211_drop_unencrypted_mgmt() argument
2421 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_drop_unencrypted_mgmt()
2422 struct ieee80211_mgmt *mgmt = (void *)rx->skb->data; in ieee80211_drop_unencrypted_mgmt()
2437 if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) { in ieee80211_drop_unencrypted_mgmt()
2439 ieee80211_is_unicast_robust_mgmt_frame(rx->skb))) { in ieee80211_drop_unencrypted_mgmt()
2446 if (!rx->key) in ieee80211_drop_unencrypted_mgmt()
2449 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2450 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2451 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2456 if (unlikely(ieee80211_is_multicast_robust_mgmt_frame(rx->skb) && in ieee80211_drop_unencrypted_mgmt()
2457 ieee80211_get_mmie_keyidx(rx->skb) < 0)) { in ieee80211_drop_unencrypted_mgmt()
2460 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2461 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2462 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2465 if (unlikely(ieee80211_is_beacon(fc) && rx->key && in ieee80211_drop_unencrypted_mgmt()
2466 ieee80211_get_mmie_keyidx(rx->skb) < 0)) { in ieee80211_drop_unencrypted_mgmt()
2467 cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, in ieee80211_drop_unencrypted_mgmt()
2468 rx->skb->data, in ieee80211_drop_unencrypted_mgmt()
2469 rx->skb->len); in ieee80211_drop_unencrypted_mgmt()
2476 if (unlikely(ieee80211_is_action(fc) && !rx->key && in ieee80211_drop_unencrypted_mgmt()
2477 ieee80211_is_robust_mgmt_frame(rx->skb))) in ieee80211_drop_unencrypted_mgmt()
2482 ieee80211_is_protected_dual_of_public_action(rx->skb)) in ieee80211_drop_unencrypted_mgmt()
2491 ieee80211_is_robust_mgmt_frame(rx->skb) && in ieee80211_drop_unencrypted_mgmt()
2492 (!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC))) in ieee80211_drop_unencrypted_mgmt()
2500 __ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control) in __ieee80211_data_to_8023() argument
2502 struct ieee80211_sub_if_data *sdata = rx->sdata; in __ieee80211_data_to_8023()
2503 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in __ieee80211_data_to_8023()
2525 ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type); in __ieee80211_data_to_8023()
2529 ehdr = (struct ethhdr *) rx->skb->data; in __ieee80211_data_to_8023()
2530 if (ehdr->h_proto == rx->sdata->control_port_protocol) in __ieee80211_data_to_8023()
2568 * requires that rx->skb is a frame with ethernet header
2570 static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx, __le16 fc) in ieee80211_frame_allowed() argument
2574 struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; in ieee80211_frame_allowed()
2581 if (unlikely(ehdr->h_proto == rx->sdata->control_port_protocol)) in ieee80211_frame_allowed()
2582 return ieee80211_is_our_addr(rx->sdata, ehdr->h_dest, NULL) || in ieee80211_frame_allowed()
2585 if (ieee80211_802_1x_port_control(rx) || in ieee80211_frame_allowed()
2586 ieee80211_drop_unencrypted(rx, fc)) in ieee80211_frame_allowed()
2593 struct ieee80211_rx_data *rx) in ieee80211_deliver_skb_to_local_stack() argument
2595 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_deliver_skb_to_local_stack()
2605 cfg80211_rx_control_port(dev, skb, noencrypt, rx->link_id); in ieee80211_deliver_skb_to_local_stack()
2632 if (rx->list) in ieee80211_deliver_skb_to_local_stack()
2633 list_add_tail(&skb->list, rx->list); in ieee80211_deliver_skb_to_local_stack()
2640 * requires that rx->skb is a frame with ethernet header
2643 ieee80211_deliver_skb(struct ieee80211_rx_data *rx) in ieee80211_deliver_skb() argument
2645 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_deliver_skb()
2648 struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data; in ieee80211_deliver_skb()
2651 skb = rx->skb; in ieee80211_deliver_skb()
2656 if (rx->sta) { in ieee80211_deliver_skb()
2662 u64_stats_update_begin(&rx->link_sta->rx_stats.syncp); in ieee80211_deliver_skb()
2663 rx->link_sta->rx_stats.msdu[rx->seqno_idx]++; in ieee80211_deliver_skb()
2664 u64_stats_update_end(&rx->link_sta->rx_stats.syncp); in ieee80211_deliver_skb()
2670 ehdr->h_proto != rx->sdata->control_port_protocol && in ieee80211_deliver_skb()
2726 ieee80211_deliver_skb_to_local_stack(skb, rx); in ieee80211_deliver_skb()
2986 __ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx, u8 data_offset) in __ieee80211_rx_h_amsdu() argument
2988 struct net_device *dev = rx->sdata->dev; in __ieee80211_rx_h_amsdu()
2989 struct sk_buff *skb = rx->skb; in __ieee80211_rx_h_amsdu()
3000 } else switch (rx->sdata->vif.type) { in __ieee80211_rx_h_amsdu()
3006 if (!rx->sta || in __ieee80211_rx_h_amsdu()
3007 !test_sta_flag(rx->sta, WLAN_STA_TDLS_PEER)) in __ieee80211_rx_h_amsdu()
3022 rx->sdata->vif.addr, in __ieee80211_rx_h_amsdu()
3023 rx->sdata->vif.type, in __ieee80211_rx_h_amsdu()
3027 if (rx->sta->amsdu_mesh_control < 0) { in __ieee80211_rx_h_amsdu()
3044 rx->sta->amsdu_mesh_control = valid; in __ieee80211_rx_h_amsdu()
3048 rx->sdata->vif.type, in __ieee80211_rx_h_amsdu()
3049 rx->local->hw.extra_tx_headroom, in __ieee80211_rx_h_amsdu()
3051 rx->sta->amsdu_mesh_control); in __ieee80211_rx_h_amsdu()
3054 rx->skb = __skb_dequeue(&frame_list); in __ieee80211_rx_h_amsdu()
3056 res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb); in __ieee80211_rx_h_amsdu()
3066 if (!ieee80211_frame_allowed(rx, fc)) in __ieee80211_rx_h_amsdu()
3069 ieee80211_deliver_skb(rx); in __ieee80211_rx_h_amsdu()
3073 dev_kfree_skb(rx->skb); in __ieee80211_rx_h_amsdu()
3080 ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) in ieee80211_rx_h_amsdu() argument
3082 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_amsdu()
3097 switch (rx->sdata->vif.type) { in ieee80211_rx_h_amsdu()
3099 if (!rx->sdata->u.vlan.sta) in ieee80211_rx_h_amsdu()
3103 if (!rx->sdata->u.mgd.use_4addr) in ieee80211_rx_h_amsdu()
3113 if (is_multicast_ether_addr(hdr->addr1) || !rx->sta) in ieee80211_rx_h_amsdu()
3116 if (rx->key) { in ieee80211_rx_h_amsdu()
3123 switch (rx->key->conf.cipher) { in ieee80211_rx_h_amsdu()
3133 return __ieee80211_rx_h_amsdu(rx, 0); in ieee80211_rx_h_amsdu()
3137 ieee80211_rx_h_data(struct ieee80211_rx_data *rx) in ieee80211_rx_h_data() argument
3139 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_data()
3140 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_data()
3142 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_rx_h_data()
3159 if (rx->sta && in ieee80211_rx_h_data()
3160 !test_and_set_sta_flag(rx->sta, WLAN_STA_4ADDR_EVENT)) in ieee80211_rx_h_data()
3162 rx->sdata->dev, rx->sta->sta.addr, GFP_ATOMIC); in ieee80211_rx_h_data()
3166 res = __ieee80211_data_to_8023(rx, &port_control); in ieee80211_rx_h_data()
3170 res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb); in ieee80211_rx_h_data()
3174 if (!ieee80211_frame_allowed(rx, fc)) in ieee80211_rx_h_data()
3178 if (unlikely(((struct ethhdr *)rx->skb->data)->h_proto == in ieee80211_rx_h_data()
3180 struct ieee80211_tdls_data *tf = (void *)rx->skb->data; in ieee80211_rx_h_data()
3182 if (pskb_may_pull(rx->skb, in ieee80211_rx_h_data()
3188 rx->skb->protocol = cpu_to_be16(ETH_P_TDLS); in ieee80211_rx_h_data()
3189 __ieee80211_queue_skb_to_iface(sdata, rx->link_id, in ieee80211_rx_h_data()
3190 rx->sta, rx->skb); in ieee80211_rx_h_data()
3195 if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && in ieee80211_rx_h_data()
3200 rx->sdata = sdata; in ieee80211_rx_h_data()
3203 rx->skb->dev = dev; in ieee80211_rx_h_data()
3208 ((struct ethhdr *)rx->skb->data)->h_dest) && in ieee80211_rx_h_data()
3214 ieee80211_deliver_skb(rx); in ieee80211_rx_h_data()
3220 ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames) in ieee80211_rx_h_ctrl() argument
3222 struct sk_buff *skb = rx->skb; in ieee80211_rx_h_ctrl()
3239 if (!rx->sta) in ieee80211_rx_h_ctrl()
3248 if (!test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) && in ieee80211_rx_h_ctrl()
3249 !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg)) in ieee80211_rx_h_ctrl()
3250 ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid, in ieee80211_rx_h_ctrl()
3254 tid_agg_rx = rcu_dereference(rx->sta->ampdu_mlme.tid_rx[tid]); in ieee80211_rx_h_ctrl()
3261 event.u.ba.sta = &rx->sta->sta; in ieee80211_rx_h_ctrl()
3270 ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx, in ieee80211_rx_h_ctrl()
3274 drv_event_callback(rx->local, rx->sdata, &event); in ieee80211_rx_h_ctrl()
3334 ieee80211_rx_check_bss_color_collision(struct ieee80211_rx_data *rx) in ieee80211_rx_check_bss_color_collision() argument
3336 struct ieee80211_mgmt *mgmt = (void *)rx->skb->data; in ieee80211_rx_check_bss_color_collision()
3340 if (!wiphy_ext_feature_isset(rx->local->hw.wiphy, in ieee80211_rx_check_bss_color_collision()
3344 if (ieee80211_hw_check(&rx->local->hw, DETECTS_COLOR_COLLISION)) in ieee80211_rx_check_bss_color_collision()
3347 if (rx->sdata->vif.bss_conf.csa_active) in ieee80211_rx_check_bss_color_collision()
3350 baselen = mgmt->u.beacon.variable - rx->skb->data; in ieee80211_rx_check_bss_color_collision()
3351 if (baselen > rx->skb->len) in ieee80211_rx_check_bss_color_collision()
3356 rx->skb->len - baselen); in ieee80211_rx_check_bss_color_collision()
3359 struct ieee80211_bss_conf *bss_conf = &rx->sdata->vif.bss_conf; in ieee80211_rx_check_bss_color_collision()
3371 ieee80211_obss_color_collision_notify(&rx->sdata->vif, in ieee80211_rx_check_bss_color_collision()
3378 ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx) in ieee80211_rx_h_mgmt_check() argument
3380 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_mgmt_check()
3381 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_mgmt_check()
3391 if (rx->skb->len < 24) in ieee80211_rx_h_mgmt_check()
3399 rx->skb->len < IEEE80211_MIN_ACTION_SIZE) in ieee80211_rx_h_mgmt_check()
3402 if (rx->sdata->vif.type == NL80211_IFTYPE_AP && in ieee80211_rx_h_mgmt_check()
3404 !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) { in ieee80211_rx_h_mgmt_check()
3408 ieee80211_rx_check_bss_color_collision(rx); in ieee80211_rx_h_mgmt_check()
3410 if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) && in ieee80211_rx_h_mgmt_check()
3414 cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy, in ieee80211_rx_h_mgmt_check()
3415 rx->skb->data, rx->skb->len, in ieee80211_rx_h_mgmt_check()
3418 rx->flags |= IEEE80211_RX_BEACON_REPORTED; in ieee80211_rx_h_mgmt_check()
3421 return ieee80211_drop_unencrypted_mgmt(rx); in ieee80211_rx_h_mgmt_check()
3425 ieee80211_process_rx_twt_action(struct ieee80211_rx_data *rx) in ieee80211_process_rx_twt_action() argument
3427 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)rx->skb->data; in ieee80211_process_rx_twt_action()
3428 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_process_rx_twt_action()
3434 if (!rx->local->ops->add_twt_setup) in ieee80211_process_rx_twt_action()
3440 if (!rx->sta) in ieee80211_process_rx_twt_action()
3447 if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + in ieee80211_process_rx_twt_action()
3457 if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + in ieee80211_process_rx_twt_action()
3465 if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE + 2) in ieee80211_process_rx_twt_action()
3477 ieee80211_rx_h_action(struct ieee80211_rx_data *rx) in ieee80211_rx_h_action() argument
3479 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_action()
3480 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action()
3481 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action()
3482 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_action()
3483 int len = rx->skb->len; in ieee80211_rx_h_action()
3488 if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC && in ieee80211_rx_h_action()
3496 if (!rx->link_sta->pub->ht_cap.ht_supported) in ieee80211_rx_h_action()
3536 if (rx->link_sta->pub->smps_mode == smps_mode) in ieee80211_rx_h_action()
3538 rx->link_sta->pub->smps_mode = smps_mode; in ieee80211_rx_h_action()
3543 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_h_action()
3545 rate_control_rate_update(local, sband, rx->sta, 0, in ieee80211_rx_h_action()
3548 rx->sta->addr, in ieee80211_rx_h_action()
3560 if (!(rx->link_sta->pub->ht_cap.cap & in ieee80211_rx_h_action()
3567 max_bw = ieee80211_sta_cap_rx_bw(rx->link_sta); in ieee80211_rx_h_action()
3570 rx->link_sta->cur_max_bandwidth = max_bw; in ieee80211_rx_h_action()
3571 new_bw = ieee80211_sta_cur_vht_bw(rx->link_sta); in ieee80211_rx_h_action()
3573 if (rx->link_sta->pub->bandwidth == new_bw) in ieee80211_rx_h_action()
3576 rx->link_sta->pub->bandwidth = new_bw; in ieee80211_rx_h_action()
3577 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_h_action()
3579 ieee80211_sta_rx_bw_to_chan_width(rx->link_sta); in ieee80211_rx_h_action()
3582 rate_control_rate_update(local, sband, rx->sta, 0, in ieee80211_rx_h_action()
3585 rx->sta->addr, in ieee80211_rx_h_action()
3600 if (!rx->sta) in ieee80211_rx_h_action()
3759 if (ieee80211_process_rx_twt_action(rx)) in ieee80211_rx_h_action()
3776 if (rx->sta) in ieee80211_rx_h_action()
3777 rx->link_sta->rx_stats.packets++; in ieee80211_rx_h_action()
3778 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action()
3782 ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb); in ieee80211_rx_h_action()
3787 ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx) in ieee80211_rx_h_userspace_mgmt() argument
3789 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_userspace_mgmt()
3792 .buf = rx->skb->data, in ieee80211_rx_h_userspace_mgmt()
3793 .len = rx->skb->len, in ieee80211_rx_h_userspace_mgmt()
3794 .link_id = rx->link_id, in ieee80211_rx_h_userspace_mgmt()
3795 .have_link_id = rx->link_id >= 0, in ieee80211_rx_h_userspace_mgmt()
3809 if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM) && in ieee80211_rx_h_userspace_mgmt()
3813 if (ieee80211_is_timing_measurement(rx->skb) || in ieee80211_rx_h_userspace_mgmt()
3814 ieee80211_is_ftm(rx->skb)) { in ieee80211_rx_h_userspace_mgmt()
3815 info.rx_tstamp = ktime_to_ns(skb_hwtstamps(rx->skb)->hwtstamp); in ieee80211_rx_h_userspace_mgmt()
3819 if (cfg80211_rx_mgmt_ext(&rx->sdata->wdev, &info)) { in ieee80211_rx_h_userspace_mgmt()
3820 if (rx->sta) in ieee80211_rx_h_userspace_mgmt()
3821 rx->link_sta->rx_stats.packets++; in ieee80211_rx_h_userspace_mgmt()
3822 dev_kfree_skb(rx->skb); in ieee80211_rx_h_userspace_mgmt()
3830 ieee80211_rx_h_action_post_userspace(struct ieee80211_rx_data *rx) in ieee80211_rx_h_action_post_userspace() argument
3832 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action_post_userspace()
3833 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action_post_userspace()
3834 int len = rx->skb->len; in ieee80211_rx_h_action_post_userspace()
3858 if (rx->sta) in ieee80211_rx_h_action_post_userspace()
3859 rx->link_sta->rx_stats.packets++; in ieee80211_rx_h_action_post_userspace()
3860 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action_post_userspace()
3865 ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx) in ieee80211_rx_h_action_return() argument
3867 struct ieee80211_local *local = rx->local; in ieee80211_rx_h_action_return()
3868 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data; in ieee80211_rx_h_action_return()
3870 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_action_return()
3871 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_h_action_return()
3898 nskb = skb_copy_expand(rx->skb, local->hw.extra_tx_headroom, 0, in ieee80211_rx_h_action_return()
3905 memcpy(nmgmt->sa, rx->sdata->vif.addr, ETH_ALEN); in ieee80211_rx_h_action_return()
3909 if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) { in ieee80211_rx_h_action_return()
3920 __ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, -1, in ieee80211_rx_h_action_return()
3923 dev_kfree_skb(rx->skb); in ieee80211_rx_h_action_return()
3928 ieee80211_rx_h_ext(struct ieee80211_rx_data *rx) in ieee80211_rx_h_ext() argument
3930 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_ext()
3931 struct ieee80211_hdr *hdr = (void *)rx->skb->data; in ieee80211_rx_h_ext()
3940 ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb); in ieee80211_rx_h_ext()
3946 ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx) in ieee80211_rx_h_mgmt() argument
3948 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_rx_h_mgmt()
3949 struct ieee80211_mgmt *mgmt = (void *)rx->skb->data; in ieee80211_rx_h_mgmt()
3997 ieee80211_queue_skb_to_iface(sdata, rx->link_id, rx->sta, rx->skb); in ieee80211_rx_h_mgmt()
4002 static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx, in ieee80211_rx_cooked_monitor() argument
4007 struct ieee80211_local *local = rx->local; in ieee80211_rx_cooked_monitor()
4008 struct sk_buff *skb = rx->skb, *skb2; in ieee80211_rx_cooked_monitor()
4017 if (rx->flags & IEEE80211_RX_CMNTR) in ieee80211_rx_cooked_monitor()
4019 rx->flags |= IEEE80211_RX_CMNTR; in ieee80211_rx_cooked_monitor()
4071 static void ieee80211_rx_handlers_result(struct ieee80211_rx_data *rx, in ieee80211_rx_handlers_result() argument
4074 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_handlers_result()
4079 I802_DEBUG_INC(rx->sdata->local->rx_handlers_queued); in ieee80211_rx_handlers_result()
4084 I802_DEBUG_INC(rx->sdata->local->rx_handlers_drop); in ieee80211_rx_handlers_result()
4085 if (rx->sta) in ieee80211_rx_handlers_result()
4086 rx->link_sta->rx_stats.dropped++; in ieee80211_rx_handlers_result()
4091 kfree_skb_reason(rx->skb, (__force u32)res); in ieee80211_rx_handlers_result()
4095 sband = rx->local->hw.wiphy->bands[status->band]; in ieee80211_rx_handlers_result()
4099 ieee80211_rx_cooked_monitor(rx, rate, res); in ieee80211_rx_handlers_result()
4102 static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx, in ieee80211_rx_handlers() argument
4110 res = rxh(rx); \ in ieee80211_rx_handlers()
4115 /* Lock here to avoid hitting all of the data used in the RX in ieee80211_rx_handlers()
4118 * from the timer, potentially concurrently with RX from the in ieee80211_rx_handlers()
4121 spin_lock_bh(&rx->local->rx_path_lock); in ieee80211_rx_handlers()
4129 rx->skb = skb; in ieee80211_rx_handlers()
4131 if (WARN_ON_ONCE(!rx->link)) in ieee80211_rx_handlers()
4145 res = ieee80211_rx_h_ctrl(rx, frames); in ieee80211_rx_handlers()
4158 ieee80211_rx_handlers_result(rx, res); in ieee80211_rx_handlers()
4163 spin_unlock_bh(&rx->local->rx_path_lock); in ieee80211_rx_handlers()
4166 static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) in ieee80211_invoke_rx_handlers() argument
4175 res = rxh(rx); \ in ieee80211_invoke_rx_handlers()
4183 ieee80211_rx_reorder_ampdu(rx, &reorder_release); in ieee80211_invoke_rx_handlers()
4185 ieee80211_rx_handlers(rx, &reorder_release); in ieee80211_invoke_rx_handlers()
4189 ieee80211_rx_handlers_result(rx, res); in ieee80211_invoke_rx_handlers()
4200 static bool ieee80211_rx_data_set_link(struct ieee80211_rx_data *rx, in ieee80211_rx_data_set_link() argument
4203 rx->link_id = link_id; in ieee80211_rx_data_set_link()
4204 rx->link = rcu_dereference(rx->sdata->link[link_id]); in ieee80211_rx_data_set_link()
4206 if (!rx->sta) in ieee80211_rx_data_set_link()
4207 return rx->link; in ieee80211_rx_data_set_link()
4209 if (!ieee80211_rx_is_valid_sta_link_id(&rx->sta->sta, link_id)) in ieee80211_rx_data_set_link()
4212 rx->link_sta = rcu_dereference(rx->sta->link[link_id]); in ieee80211_rx_data_set_link()
4214 return rx->link && rx->link_sta; in ieee80211_rx_data_set_link()
4217 static bool ieee80211_rx_data_set_sta(struct ieee80211_rx_data *rx, in ieee80211_rx_data_set_sta() argument
4220 rx->link_id = link_id; in ieee80211_rx_data_set_sta()
4221 rx->sta = sta; in ieee80211_rx_data_set_sta()
4224 rx->local = sta->sdata->local; in ieee80211_rx_data_set_sta()
4225 if (!rx->sdata) in ieee80211_rx_data_set_sta()
4226 rx->sdata = sta->sdata; in ieee80211_rx_data_set_sta()
4227 rx->link_sta = &sta->deflink; in ieee80211_rx_data_set_sta()
4229 rx->link_sta = NULL; in ieee80211_rx_data_set_sta()
4233 rx->link = &rx->sdata->deflink; in ieee80211_rx_data_set_sta()
4234 else if (!ieee80211_rx_data_set_link(rx, link_id)) in ieee80211_rx_data_set_sta()
4241 * This function makes calls into the RX path, therefore
4247 struct ieee80211_rx_data rx = { in ieee80211_release_reorder_timeout() local
4259 if (!ieee80211_rx_data_set_sta(&rx, sta, link_id)) in ieee80211_release_reorder_timeout()
4278 drv_event_callback(rx.local, rx.sdata, &event); in ieee80211_release_reorder_timeout()
4281 ieee80211_rx_handlers(&rx, &frames); in ieee80211_release_reorder_timeout()
4292 struct ieee80211_rx_data rx = { in ieee80211_mark_rx_ba_filtered_frames() local
4308 "RX BA marker can't support max_rx_aggregation_subframes %u > 64\n", in ieee80211_mark_rx_ba_filtered_frames()
4311 if (!ieee80211_rx_data_set_sta(&rx, sta, -1)) in ieee80211_mark_rx_ba_filtered_frames()
4361 ieee80211_rx_handlers(&rx, &frames); in ieee80211_mark_rx_ba_filtered_frames()
4376 static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx) in ieee80211_accept_frame() argument
4378 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_accept_frame()
4379 struct sk_buff *skb = rx->skb; in ieee80211_accept_frame()
4391 ieee80211_is_robust_mgmt_frame(skb) && !rx->sta) in ieee80211_accept_frame()
4395 return ieee80211_is_our_addr(sdata, hdr->addr1, &rx->link_id); in ieee80211_accept_frame()
4410 if (!rx->sta) { in ieee80211_accept_frame()
4430 if (!rx->sta) { in ieee80211_accept_frame()
4450 &rx->link_id); in ieee80211_accept_frame()
4462 &rx->link_id)) in ieee80211_accept_frame()
4542 /* fast-rx doesn't do reordering */ in ieee80211_check_fast_rx()
4579 /* parallel-rx requires this, at least with calls to in ieee80211_check_fast_rx()
4622 /* we don't want to deal with MMIC in fast-rx */ in ieee80211_check_fast_rx()
4706 static void ieee80211_rx_8023(struct ieee80211_rx_data *rx, in ieee80211_rx_8023() argument
4711 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); in ieee80211_rx_8023()
4712 struct sta_info *sta = rx->sta; in ieee80211_rx_8023()
4714 struct sk_buff *skb = rx->skb; in ieee80211_rx_8023()
4718 if (rx->link_id >= 0) { in ieee80211_rx_8023()
4719 link_sta = rcu_dereference(sta->link[rx->link_id]); in ieee80211_rx_8023()
4721 dev_kfree_skb(rx->skb); in ieee80211_rx_8023()
4774 stats->msdu[rx->seqno_idx]++; in ieee80211_rx_8023()
4783 sta_info_get(rx->sdata, da)) { in ieee80211_rx_8023()
4807 ieee80211_deliver_skb_to_local_stack(skb, rx); in ieee80211_rx_8023()
4810 static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx, in ieee80211_invoke_fast_rx() argument
4813 struct sk_buff *skb = rx->skb; in ieee80211_invoke_fast_rx()
4830 /* for parallel-rx, we need to have DUP_VALIDATED, otherwise we write in ieee80211_invoke_fast_rx()
4878 if (!ieee80211_vif_is_mesh(&rx->sdata->vif) && in ieee80211_invoke_fast_rx()
4900 if (rx->key && !(status->flag & RX_FLAG_MIC_STRIPPED) && in ieee80211_invoke_fast_rx()
4904 if (rx->key && !ieee80211_has_protected(hdr->frame_control)) in ieee80211_invoke_fast_rx()
4908 if (__ieee80211_rx_h_amsdu(rx, snap_offs - hdrlen) != in ieee80211_invoke_fast_rx()
4918 if (ieee80211_vif_is_mesh(&rx->sdata->vif)) { in ieee80211_invoke_fast_rx()
4931 res = ieee80211_rx_mesh_data(rx->sdata, rx->sta, rx->skb); in ieee80211_invoke_fast_rx()
4941 ieee80211_rx_8023(rx, fast_rx, orig_len); in ieee80211_invoke_fast_rx()
4948 stats = this_cpu_ptr(rx->link_sta->pcpu_rx_stats); in ieee80211_invoke_fast_rx()
4950 stats = &rx->link_sta->rx_stats; in ieee80211_invoke_fast_rx()
4958 * was destined for RX processing or not, which,
4962 static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx, in ieee80211_prepare_and_rx_handle() argument
4965 struct ieee80211_local *local = rx->local; in ieee80211_prepare_and_rx_handle()
4966 struct ieee80211_sub_if_data *sdata = rx->sdata; in ieee80211_prepare_and_rx_handle()
4968 struct link_sta_info *link_sta = rx->link_sta; in ieee80211_prepare_and_rx_handle()
4969 struct ieee80211_link_data *link = rx->link; in ieee80211_prepare_and_rx_handle()
4971 rx->skb = skb; in ieee80211_prepare_and_rx_handle()
4973 /* See if we can do fast-rx; if we have to copy we already lost, in ieee80211_prepare_and_rx_handle()
4980 if (consume && rx->sta) { in ieee80211_prepare_and_rx_handle()
4983 fast_rx = rcu_dereference(rx->sta->fast_rx); in ieee80211_prepare_and_rx_handle()
4984 if (fast_rx && ieee80211_invoke_fast_rx(rx, fast_rx)) in ieee80211_prepare_and_rx_handle()
4988 if (!ieee80211_accept_frame(rx)) in ieee80211_prepare_and_rx_handle()
4994 rx->skb = skb_copy(skb, GFP_ATOMIC); in ieee80211_prepare_and_rx_handle()
4995 if (!rx->skb) { in ieee80211_prepare_and_rx_handle()
5006 shwt = skb_hwtstamps(rx->skb); in ieee80211_prepare_and_rx_handle()
5010 hdr = (struct ieee80211_hdr *)rx->skb->data; in ieee80211_prepare_and_rx_handle()
5013 if (unlikely(rx->sta && rx->sta->sta.mlo) && in ieee80211_prepare_and_rx_handle()
5019 ether_addr_copy(hdr->addr1, rx->sdata->vif.addr); in ieee80211_prepare_and_rx_handle()
5021 ether_addr_copy(hdr->addr2, rx->sta->addr); in ieee80211_prepare_and_rx_handle()
5026 ether_addr_copy(hdr->addr3, rx->sta->addr); in ieee80211_prepare_and_rx_handle()
5028 ether_addr_copy(hdr->addr3, rx->sdata->vif.addr); in ieee80211_prepare_and_rx_handle()
5033 ieee80211_invoke_rx_handlers(rx); in ieee80211_prepare_and_rx_handle()
5045 struct ieee80211_rx_data rx; in __ieee80211_rx_handle_8023() local
5049 memset(&rx, 0, sizeof(rx)); in __ieee80211_rx_handle_8023()
5050 rx.skb = skb; in __ieee80211_rx_handle_8023()
5051 rx.local = local; in __ieee80211_rx_handle_8023()
5052 rx.list = list; in __ieee80211_rx_handle_8023()
5053 rx.link_id = -1; in __ieee80211_rx_handle_8023()
5075 if (!ieee80211_rx_data_set_sta(&rx, sta, link_id)) in __ieee80211_rx_handle_8023()
5078 fast_rx = rcu_dereference(rx.sta->fast_rx); in __ieee80211_rx_handle_8023()
5082 ieee80211_rx_8023(&rx, fast_rx, skb->len); in __ieee80211_rx_handle_8023()
5089 static bool ieee80211_rx_for_interface(struct ieee80211_rx_data *rx, in ieee80211_rx_for_interface() argument
5103 link_sta = link_sta_info_get_bss(rx->sdata, hdr->addr2); in ieee80211_rx_for_interface()
5110 sta = sta_info_get_bss(rx->sdata, hdr->addr2); in ieee80211_rx_for_interface()
5115 if (!ieee80211_rx_data_set_sta(rx, sta, link_id)) in ieee80211_rx_for_interface()
5118 return ieee80211_prepare_and_rx_handle(rx, skb, consume); in ieee80211_rx_for_interface()
5122 * This is the actual Rx frames handler. as it belongs to Rx path it must
5135 struct ieee80211_rx_data rx; in __ieee80211_rx_handle_packet() local
5141 memset(&rx, 0, sizeof(rx)); in __ieee80211_rx_handle_packet()
5142 rx.skb = skb; in __ieee80211_rx_handle_packet()
5143 rx.local = local; in __ieee80211_rx_handle_packet()
5144 rx.list = list; in __ieee80211_rx_handle_packet()
5145 rx.link_id = -1; in __ieee80211_rx_handle_packet()
5166 ieee80211_parse_qos(&rx); in __ieee80211_rx_handle_packet()
5167 ieee80211_verify_alignment(&rx); in __ieee80211_rx_handle_packet()
5183 if (!ieee80211_rx_data_set_sta(&rx, sta, link_id)) in __ieee80211_rx_handle_packet()
5198 link_sta = link_sta_info_get_bss(rx.sdata, in __ieee80211_rx_handle_packet()
5203 ieee80211_rx_data_set_link(&rx, link_sta->link_id); in __ieee80211_rx_handle_packet()
5206 if (ieee80211_prepare_and_rx_handle(&rx, skb, true)) in __ieee80211_rx_handle_packet()
5219 rx.sdata = prev_sta->sdata; in __ieee80211_rx_handle_packet()
5220 if (!ieee80211_rx_data_set_sta(&rx, prev_sta, link_id)) in __ieee80211_rx_handle_packet()
5226 ieee80211_prepare_and_rx_handle(&rx, skb, false); in __ieee80211_rx_handle_packet()
5232 rx.sdata = prev_sta->sdata; in __ieee80211_rx_handle_packet()
5233 if (!ieee80211_rx_data_set_sta(&rx, prev_sta, link_id)) in __ieee80211_rx_handle_packet()
5239 if (ieee80211_prepare_and_rx_handle(&rx, skb, true)) in __ieee80211_rx_handle_packet()
5266 rx.sdata = prev; in __ieee80211_rx_handle_packet()
5267 ieee80211_rx_for_interface(&rx, skb, false); in __ieee80211_rx_handle_packet()
5273 rx.sdata = prev; in __ieee80211_rx_handle_packet()
5275 if (ieee80211_rx_for_interface(&rx, skb, true)) in __ieee80211_rx_handle_packet()
5315 /* We might be during a HW reconfig, prevent Rx for the same reason */ in ieee80211_rx_list()
5448 /* This is a version of the rx handler that can be called from hard irq