1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e82SJiri Benc * Copyright 2005, Devicescape Software, Inc. 4f0706e82SJiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5e039fa4aSJohannes Berg * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> 6f0706e82SJiri Benc * 7f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e82SJiri Benc * published by the Free Software Foundation. 10f0706e82SJiri Benc */ 11f0706e82SJiri Benc 12f0706e82SJiri Benc #ifndef IEEE80211_I_H 13f0706e82SJiri Benc #define IEEE80211_I_H 14f0706e82SJiri Benc 15f0706e82SJiri Benc #include <linux/kernel.h> 16f0706e82SJiri Benc #include <linux/device.h> 17f0706e82SJiri Benc #include <linux/if_ether.h> 18f0706e82SJiri Benc #include <linux/interrupt.h> 19f0706e82SJiri Benc #include <linux/list.h> 20f0706e82SJiri Benc #include <linux/netdevice.h> 21f0706e82SJiri Benc #include <linux/skbuff.h> 22f0706e82SJiri Benc #include <linux/workqueue.h> 23f0706e82SJiri Benc #include <linux/types.h> 24f0706e82SJiri Benc #include <linux/spinlock.h> 25571ecf67SJohannes Berg #include <linux/etherdevice.h> 26f0706e82SJiri Benc #include <net/wireless.h> 272c8dccc7SJohannes Berg #include "key.h" 28f0706e82SJiri Benc #include "sta_info.h" 29f0706e82SJiri Benc 30f0706e82SJiri Benc /* ieee80211.o internal definitions, etc. These are not included into 31f0706e82SJiri Benc * low-level drivers. */ 32f0706e82SJiri Benc 33f0706e82SJiri Benc #ifndef ETH_P_PAE 34f0706e82SJiri Benc #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 35f0706e82SJiri Benc #endif /* ETH_P_PAE */ 36f0706e82SJiri Benc 37f0706e82SJiri Benc #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) 38f0706e82SJiri Benc 399cfb0009SJohannes Berg #define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype) 40f0706e82SJiri Benc 419cfb0009SJohannes Berg struct ieee80211_local; 42f0706e82SJiri Benc 43f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 44f0706e82SJiri Benc * associated stations are using power saving. */ 45f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 46f0706e82SJiri Benc 47f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 48f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 49f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 50f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 51f0706e82SJiri Benc 52f0706e82SJiri Benc /* Required encryption head and tailroom */ 53f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 54f0706e82SJiri Benc #define IEEE80211_ENCRYPT_TAILROOM 12 55f0706e82SJiri Benc 56f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 57f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 58f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 59f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 60f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 61f0706e82SJiri Benc 62f0706e82SJiri Benc struct ieee80211_fragment_entry { 63f0706e82SJiri Benc unsigned long first_frag_time; 64f0706e82SJiri Benc unsigned int seq; 65f0706e82SJiri Benc unsigned int rx_queue; 66f0706e82SJiri Benc unsigned int last_frag; 67f0706e82SJiri Benc unsigned int extra_len; 68f0706e82SJiri Benc struct sk_buff_head skb_list; 69f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 70f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 71f0706e82SJiri Benc }; 72f0706e82SJiri Benc 73f0706e82SJiri Benc 74f0706e82SJiri Benc struct ieee80211_sta_bss { 75f0706e82SJiri Benc struct list_head list; 76f0706e82SJiri Benc struct ieee80211_sta_bss *hnext; 77056cdd59SJohannes Berg size_t ssid_len; 78056cdd59SJohannes Berg 79f0706e82SJiri Benc atomic_t users; 80f0706e82SJiri Benc 81f0706e82SJiri Benc u8 bssid[ETH_ALEN]; 82f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 83f0706e82SJiri Benc u16 capability; /* host byte order */ 848318d78aSJohannes Berg enum ieee80211_band band; 85f0706e82SJiri Benc int freq; 86566bfe5aSBruno Randolf int signal, noise, qual; 87f0706e82SJiri Benc u8 *wpa_ie; 88f0706e82SJiri Benc size_t wpa_ie_len; 89f0706e82SJiri Benc u8 *rsn_ie; 90f0706e82SJiri Benc size_t rsn_ie_len; 91f0706e82SJiri Benc u8 *wmm_ie; 92f0706e82SJiri Benc size_t wmm_ie_len; 93c7153508SRon Rindjunsky u8 *ht_ie; 94c7153508SRon Rindjunsky size_t ht_ie_len; 959306102eSEmmanuel Grumbach u8 *ht_add_ie; 969306102eSEmmanuel Grumbach size_t ht_add_ie_len; 97ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 98ee385855SLuis Carlos Cobo u8 *mesh_id; 99ee385855SLuis Carlos Cobo size_t mesh_id_len; 10024736701SJohn W. Linville u8 *mesh_cfg; 101902acc78SJohannes Berg #endif 102f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 103f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 104f0706e82SJiri Benc size_t supp_rates_len; 105f0706e82SJiri Benc u64 timestamp; 106056cdd59SJohannes Berg int beacon_int; 107f0706e82SJiri Benc 10830b89b0fSJohannes Berg bool probe_resp; 109f0706e82SJiri Benc unsigned long last_update; 110f0706e82SJiri Benc 1115628221cSDaniel Drake /* during assocation, we save an ERP value from a probe response so 1125628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1135628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 1145628221cSDaniel Drake * otherwise, you probably don't want to use them. */ 1155628221cSDaniel Drake int has_erp_value; 1165628221cSDaniel Drake u8 erp_value; 117f0706e82SJiri Benc }; 118f0706e82SJiri Benc 11924736701SJohn W. Linville static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) 120902acc78SJohannes Berg { 121902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 122902acc78SJohannes Berg return bss->mesh_cfg; 123902acc78SJohannes Berg #endif 124902acc78SJohannes Berg return NULL; 125902acc78SJohannes Berg } 126902acc78SJohannes Berg 127902acc78SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) 128902acc78SJohannes Berg { 129902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 130902acc78SJohannes Berg return bss->mesh_id; 131902acc78SJohannes Berg #endif 132902acc78SJohannes Berg return NULL; 133902acc78SJohannes Berg } 134902acc78SJohannes Berg 135902acc78SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) 136902acc78SJohannes Berg { 137902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 138902acc78SJohannes Berg return bss->mesh_id_len; 139902acc78SJohannes Berg #endif 140902acc78SJohannes Berg return 0; 141902acc78SJohannes Berg } 142902acc78SJohannes Berg 143f0706e82SJiri Benc 1449ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1459ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1469ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1479ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1489ae54c84SJohannes Berg 1495cf121c3SJohannes Berg #define IEEE80211_TX_FRAGMENTED BIT(0) 1505cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1515cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1525cf121c3SJohannes Berg #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) 1539ae54c84SJohannes Berg 1545cf121c3SJohannes Berg struct ieee80211_tx_data { 155f0706e82SJiri Benc struct sk_buff *skb; 156f0706e82SJiri Benc struct net_device *dev; 157f0706e82SJiri Benc struct ieee80211_local *local; 158f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 159f0706e82SJiri Benc struct sta_info *sta; 160f0706e82SJiri Benc struct ieee80211_key *key; 1615cf121c3SJohannes Berg 1628318d78aSJohannes Berg struct ieee80211_channel *channel; 1632e92e6f2SJohannes Berg s8 rate_idx; 164f0706e82SJiri Benc /* use this rate (if set) for last fragment; rate can 165f0706e82SJiri Benc * be set to lower rate for the first fragments, e.g., 166f0706e82SJiri Benc * when using CTS protection with IEEE 802.11g. */ 1672e92e6f2SJohannes Berg s8 last_frag_rate_idx; 168f0706e82SJiri Benc 169f0706e82SJiri Benc /* Extra fragments (in addition to the first fragment 170f0706e82SJiri Benc * in skb) */ 171f0706e82SJiri Benc struct sk_buff **extra_frag; 172056cdd59SJohannes Berg int num_extra_frag; 173056cdd59SJohannes Berg 174056cdd59SJohannes Berg u16 fc, ethertype; 175056cdd59SJohannes Berg unsigned int flags; 1765cf121c3SJohannes Berg }; 1775cf121c3SJohannes Berg 1785cf121c3SJohannes Berg 1795cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1805cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1815cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1825cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1835cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1845cf121c3SJohannes Berg 1855cf121c3SJohannes Berg #define IEEE80211_RX_IN_SCAN BIT(0) 1865cf121c3SJohannes Berg /* frame is destined to interface currently processed (incl. multicast frames) */ 1875cf121c3SJohannes Berg #define IEEE80211_RX_RA_MATCH BIT(1) 1885cf121c3SJohannes Berg #define IEEE80211_RX_AMSDU BIT(2) 1895cf121c3SJohannes Berg #define IEEE80211_RX_CMNTR_REPORTED BIT(3) 1905cf121c3SJohannes Berg #define IEEE80211_RX_FRAGMENTED BIT(4) 1915cf121c3SJohannes Berg 1925cf121c3SJohannes Berg struct ieee80211_rx_data { 1935cf121c3SJohannes Berg struct sk_buff *skb; 1945cf121c3SJohannes Berg struct net_device *dev; 1955cf121c3SJohannes Berg struct ieee80211_local *local; 1965cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 1975cf121c3SJohannes Berg struct sta_info *sta; 1985cf121c3SJohannes Berg struct ieee80211_key *key; 199f0706e82SJiri Benc struct ieee80211_rx_status *status; 2008318d78aSJohannes Berg struct ieee80211_rate *rate; 201056cdd59SJohannes Berg 202056cdd59SJohannes Berg u16 fc, ethertype; 203056cdd59SJohannes Berg unsigned int flags; 204f0706e82SJiri Benc int sent_ps_buffered; 205f0706e82SJiri Benc int queue; 20650741ae0SJohannes Berg u32 tkip_iv32; 20750741ae0SJohannes Berg u16 tkip_iv16; 208f0706e82SJiri Benc }; 209f0706e82SJiri Benc 210f0706e82SJiri Benc struct ieee80211_tx_stored_packet { 211f0706e82SJiri Benc struct sk_buff *skb; 212f0706e82SJiri Benc struct sk_buff **extra_frag; 2132e92e6f2SJohannes Berg s8 last_frag_rate_idx; 214056cdd59SJohannes Berg int num_extra_frag; 2152e92e6f2SJohannes Berg bool last_frag_rate_ctrl_probe; 216f0706e82SJiri Benc }; 217f0706e82SJiri Benc 2185dfdaf58SJohannes Berg struct beacon_data { 2195dfdaf58SJohannes Berg u8 *head, *tail; 2205dfdaf58SJohannes Berg int head_len, tail_len; 2215dfdaf58SJohannes Berg int dtim_period; 2225dfdaf58SJohannes Berg }; 2235dfdaf58SJohannes Berg 224f0706e82SJiri Benc struct ieee80211_if_ap { 2255dfdaf58SJohannes Berg struct beacon_data *beacon; 226f0706e82SJiri Benc 2270ec3ca44SJohannes Berg struct list_head vlans; 2280ec3ca44SJohannes Berg 229f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 230f0706e82SJiri Benc size_t ssid_len; 231f0706e82SJiri Benc 232f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 233f0706e82SJiri Benc * bitmap_empty :) 234004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 235f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 236f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 237056cdd59SJohannes Berg atomic_t num_sta_ps; /* number of stations in PS mode */ 2385dfdaf58SJohannes Berg int dtim_count; 239f0706e82SJiri Benc int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ 240f0706e82SJiri Benc int max_ratectrl_rateidx; /* max TX rateidx for rate control */ 241f0706e82SJiri Benc int num_beacons; /* number of TXed beacon frames for this BSS */ 242f0706e82SJiri Benc }; 243f0706e82SJiri Benc 244f0706e82SJiri Benc struct ieee80211_if_wds { 245f0706e82SJiri Benc struct sta_info *sta; 246056cdd59SJohannes Berg u8 remote_addr[ETH_ALEN]; 247f0706e82SJiri Benc }; 248f0706e82SJiri Benc 249f0706e82SJiri Benc struct ieee80211_if_vlan { 2500ec3ca44SJohannes Berg struct ieee80211_sub_if_data *ap; 2510ec3ca44SJohannes Berg struct list_head list; 252f0706e82SJiri Benc }; 253f0706e82SJiri Benc 254ee385855SLuis Carlos Cobo struct mesh_stats { 255ee385855SLuis Carlos Cobo __u32 fwded_frames; /* Mesh forwarded frames */ 256ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 257ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 258ee385855SLuis Carlos Cobo atomic_t estab_plinks; 259ee385855SLuis Carlos Cobo }; 260ee385855SLuis Carlos Cobo 261ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 262ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 263ee385855SLuis Carlos Cobo struct mesh_preq_queue { 264ee385855SLuis Carlos Cobo struct list_head list; 265ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 266ee385855SLuis Carlos Cobo u8 flags; 267ee385855SLuis Carlos Cobo }; 268ee385855SLuis Carlos Cobo 269ee385855SLuis Carlos Cobo struct mesh_config { 270ee385855SLuis Carlos Cobo /* Timeouts in ms */ 271ee385855SLuis Carlos Cobo /* Mesh plink management parameters */ 272ee385855SLuis Carlos Cobo u16 dot11MeshRetryTimeout; 273ee385855SLuis Carlos Cobo u16 dot11MeshConfirmTimeout; 274ee385855SLuis Carlos Cobo u16 dot11MeshHoldingTimeout; 275ee385855SLuis Carlos Cobo u16 dot11MeshMaxPeerLinks; 276ee385855SLuis Carlos Cobo u8 dot11MeshMaxRetries; 277ee385855SLuis Carlos Cobo u8 dot11MeshTTL; 278ee385855SLuis Carlos Cobo bool auto_open_plinks; 279ee385855SLuis Carlos Cobo /* HWMP parameters */ 280ee385855SLuis Carlos Cobo u8 dot11MeshHWMPmaxPREQretries; 281ee385855SLuis Carlos Cobo u32 path_refresh_time; 282ee385855SLuis Carlos Cobo u16 min_discovery_timeout; 283056cdd59SJohannes Berg u32 dot11MeshHWMPactivePathTimeout; 284056cdd59SJohannes Berg u16 dot11MeshHWMPpreqMinInterval; 285056cdd59SJohannes Berg u16 dot11MeshHWMPnetDiameterTraversalTime; 286ee385855SLuis Carlos Cobo }; 287902acc78SJohannes Berg 288ee385855SLuis Carlos Cobo 289d6f2da5bSJiri Slaby /* flags used in struct ieee80211_if_sta.flags */ 290d6f2da5bSJiri Slaby #define IEEE80211_STA_SSID_SET BIT(0) 291d6f2da5bSJiri Slaby #define IEEE80211_STA_BSSID_SET BIT(1) 292d6f2da5bSJiri Slaby #define IEEE80211_STA_PREV_BSSID_SET BIT(2) 293d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTHENTICATED BIT(3) 294d6f2da5bSJiri Slaby #define IEEE80211_STA_ASSOCIATED BIT(4) 295d6f2da5bSJiri Slaby #define IEEE80211_STA_PROBEREQ_POLL BIT(5) 296d6f2da5bSJiri Slaby #define IEEE80211_STA_CREATE_IBSS BIT(6) 297d6f2da5bSJiri Slaby #define IEEE80211_STA_MIXED_CELL BIT(7) 298d6f2da5bSJiri Slaby #define IEEE80211_STA_WMM_ENABLED BIT(8) 299d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) 300d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) 301d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) 3025b98b1f7SJohannes Berg #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) 303f0706e82SJiri Benc struct ieee80211_if_sta { 304056cdd59SJohannes Berg struct timer_list timer; 305056cdd59SJohannes Berg struct work_struct work; 306056cdd59SJohannes Berg u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; 307056cdd59SJohannes Berg u8 ssid[IEEE80211_MAX_SSID_LEN]; 308f0706e82SJiri Benc enum { 309f0706e82SJiri Benc IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, 310f0706e82SJiri Benc IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, 311ee385855SLuis Carlos Cobo IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, 312ee385855SLuis Carlos Cobo IEEE80211_MESH_UP 313f0706e82SJiri Benc } state; 314f0706e82SJiri Benc size_t ssid_len; 315a0af5f14SHelmut Schaa u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; 316a0af5f14SHelmut Schaa size_t scan_ssid_len; 317ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 318ee385855SLuis Carlos Cobo struct timer_list mesh_path_timer; 319ee385855SLuis Carlos Cobo u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 320ee385855SLuis Carlos Cobo size_t mesh_id_len; 321ee385855SLuis Carlos Cobo /* Active Path Selection Protocol Identifier */ 322ee385855SLuis Carlos Cobo u8 mesh_pp_id[4]; 323ee385855SLuis Carlos Cobo /* Active Path Selection Metric Identifier */ 324ee385855SLuis Carlos Cobo u8 mesh_pm_id[4]; 325ee385855SLuis Carlos Cobo /* Congestion Control Mode Identifier */ 326ee385855SLuis Carlos Cobo u8 mesh_cc_id[4]; 327ee385855SLuis Carlos Cobo /* Local mesh Destination Sequence Number */ 328ee385855SLuis Carlos Cobo u32 dsn; 329ee385855SLuis Carlos Cobo /* Last used PREQ ID */ 330ee385855SLuis Carlos Cobo u32 preq_id; 331ee385855SLuis Carlos Cobo atomic_t mpaths; 332ee385855SLuis Carlos Cobo /* Timestamp of last DSN update */ 333ee385855SLuis Carlos Cobo unsigned long last_dsn_update; 334ee385855SLuis Carlos Cobo /* Timestamp of last DSN sent */ 335ee385855SLuis Carlos Cobo unsigned long last_preq; 336ee385855SLuis Carlos Cobo struct mesh_rmc *rmc; 337ee385855SLuis Carlos Cobo spinlock_t mesh_preq_queue_lock; 338ee385855SLuis Carlos Cobo struct mesh_preq_queue preq_queue; 339ee385855SLuis Carlos Cobo int preq_queue_len; 340ee385855SLuis Carlos Cobo struct mesh_stats mshstats; 341ee385855SLuis Carlos Cobo struct mesh_config mshcfg; 34251ceddadSLuis Carlos Cobo u32 mesh_seqnum; 343056cdd59SJohannes Berg bool accepting_plinks; 344ee385855SLuis Carlos Cobo #endif 345f0706e82SJiri Benc u16 aid; 346f0706e82SJiri Benc u16 ap_capab, capab; 347f0706e82SJiri Benc u8 *extra_ie; /* to be added to the end of AssocReq */ 348f0706e82SJiri Benc size_t extra_ie_len; 349f0706e82SJiri Benc 350f0706e82SJiri Benc /* The last AssocReq/Resp IEs */ 351f0706e82SJiri Benc u8 *assocreq_ies, *assocresp_ies; 352f0706e82SJiri Benc size_t assocreq_ies_len, assocresp_ies_len; 353f0706e82SJiri Benc 354056cdd59SJohannes Berg struct sk_buff_head skb_queue; 355056cdd59SJohannes Berg 356f0706e82SJiri Benc int auth_tries, assoc_tries; 357f0706e82SJiri Benc 358056cdd59SJohannes Berg unsigned long request; 359056cdd59SJohannes Berg 360056cdd59SJohannes Berg unsigned long last_probe; 361056cdd59SJohannes Berg 362d6f2da5bSJiri Slaby unsigned int flags; 363f0706e82SJiri Benc #define IEEE80211_STA_REQ_SCAN 0 364f0706e82SJiri Benc #define IEEE80211_STA_REQ_AUTH 1 365f0706e82SJiri Benc #define IEEE80211_STA_REQ_RUN 2 366f0706e82SJiri Benc 367f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_OPEN BIT(0) 368f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) 369f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_LEAP BIT(2) 370f0706e82SJiri Benc unsigned int auth_algs; /* bitfield of allowed auth algs */ 371f0706e82SJiri Benc int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ 372f0706e82SJiri Benc int auth_transaction; 373f0706e82SJiri Benc 374f0706e82SJiri Benc unsigned long ibss_join_req; 375f0706e82SJiri Benc struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ 3768318d78aSJohannes Berg u32 supp_rates_bits[IEEE80211_NUM_BANDS]; 377f0706e82SJiri Benc 378f0706e82SJiri Benc int wmm_last_param_set; 379ee385855SLuis Carlos Cobo int num_beacons; /* number of TXed beacon frames by this STA */ 380f0706e82SJiri Benc }; 381f0706e82SJiri Benc 382902acc78SJohannes Berg static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, 383902acc78SJohannes Berg u8 mesh_id_len, u8 *mesh_id) 384902acc78SJohannes Berg { 385902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 386902acc78SJohannes Berg ifsta->mesh_id_len = mesh_id_len; 387902acc78SJohannes Berg memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); 388902acc78SJohannes Berg #endif 389902acc78SJohannes Berg } 390902acc78SJohannes Berg 391902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 392902acc78SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ 393902acc78SJohannes Berg do { (sta)->mshstats.name++; } while (0) 394902acc78SJohannes Berg #else 395902acc78SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ 396902acc78SJohannes Berg do { } while (0) 397902acc78SJohannes Berg #endif 398f0706e82SJiri Benc 39913262ffdSJiri Slaby /* flags used in struct ieee80211_sub_if_data.flags */ 40013262ffdSJiri Slaby #define IEEE80211_SDATA_ALLMULTI BIT(0) 40113262ffdSJiri Slaby #define IEEE80211_SDATA_PROMISC BIT(1) 402471b3efdSJohannes Berg #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) 4038318d78aSJohannes Berg #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) 404f0706e82SJiri Benc struct ieee80211_sub_if_data { 405f0706e82SJiri Benc struct list_head list; 406f0706e82SJiri Benc 407f0706e82SJiri Benc struct wireless_dev wdev; 408f0706e82SJiri Benc 40911a843b7SJohannes Berg /* keys */ 41011a843b7SJohannes Berg struct list_head key_list; 41111a843b7SJohannes Berg 412f0706e82SJiri Benc struct net_device *dev; 413f0706e82SJiri Benc struct ieee80211_local *local; 414f0706e82SJiri Benc 41513262ffdSJiri Slaby unsigned int flags; 4167e9ed188SDaniel Drake 417f0706e82SJiri Benc int drop_unencrypted; 418f0706e82SJiri Benc 4198318d78aSJohannes Berg /* 4208318d78aSJohannes Berg * basic rates of this AP or the AP we're associated to 4218318d78aSJohannes Berg */ 4228318d78aSJohannes Berg u64 basic_rates; 4238318d78aSJohannes Berg 424f0706e82SJiri Benc u16 sequence; 425f0706e82SJiri Benc 426f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 427f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 428f0706e82SJiri Benc unsigned int fragment_next; 429f0706e82SJiri Benc 430f0706e82SJiri Benc #define NUM_DEFAULT_KEYS 4 431f0706e82SJiri Benc struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; 432f0706e82SJiri Benc struct ieee80211_key *default_key; 433f0706e82SJiri Benc 434471b3efdSJohannes Berg /* 435471b3efdSJohannes Berg * BSS configuration for this interface. 436471b3efdSJohannes Berg * 437471b3efdSJohannes Berg * FIXME: I feel bad putting this here when we already have a 438471b3efdSJohannes Berg * bss pointer, but the bss pointer is just wrong when 439471b3efdSJohannes Berg * you have multiple virtual STA mode interfaces... 440471b3efdSJohannes Berg * This needs to be fixed. 441471b3efdSJohannes Berg */ 442471b3efdSJohannes Berg struct ieee80211_bss_conf bss_conf; 443f0706e82SJiri Benc struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ 444f0706e82SJiri Benc 445f0706e82SJiri Benc union { 446f0706e82SJiri Benc struct ieee80211_if_ap ap; 447f0706e82SJiri Benc struct ieee80211_if_wds wds; 448f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 449f0706e82SJiri Benc struct ieee80211_if_sta sta; 4508cc9a739SMichael Wu u32 mntr_flags; 451f0706e82SJiri Benc } u; 452e9f207f0SJiri Benc 453e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 454e9f207f0SJiri Benc struct dentry *debugfsdir; 455e9f207f0SJiri Benc union { 456e9f207f0SJiri Benc struct { 457e9f207f0SJiri Benc struct dentry *drop_unencrypted; 458e9f207f0SJiri Benc struct dentry *state; 459e9f207f0SJiri Benc struct dentry *bssid; 460e9f207f0SJiri Benc struct dentry *prev_bssid; 461e9f207f0SJiri Benc struct dentry *ssid_len; 462e9f207f0SJiri Benc struct dentry *aid; 463e9f207f0SJiri Benc struct dentry *ap_capab; 464e9f207f0SJiri Benc struct dentry *capab; 465e9f207f0SJiri Benc struct dentry *extra_ie_len; 466e9f207f0SJiri Benc struct dentry *auth_tries; 467e9f207f0SJiri Benc struct dentry *assoc_tries; 468e9f207f0SJiri Benc struct dentry *auth_algs; 469e9f207f0SJiri Benc struct dentry *auth_alg; 470e9f207f0SJiri Benc struct dentry *auth_transaction; 471e9f207f0SJiri Benc struct dentry *flags; 472ee385855SLuis Carlos Cobo struct dentry *num_beacons_sta; 473e9f207f0SJiri Benc } sta; 474e9f207f0SJiri Benc struct { 475e9f207f0SJiri Benc struct dentry *drop_unencrypted; 476e9f207f0SJiri Benc struct dentry *num_sta_ps; 477e9f207f0SJiri Benc struct dentry *dtim_count; 478e9f207f0SJiri Benc struct dentry *num_beacons; 479e9f207f0SJiri Benc struct dentry *force_unicast_rateidx; 480e9f207f0SJiri Benc struct dentry *max_ratectrl_rateidx; 481e9f207f0SJiri Benc struct dentry *num_buffered_multicast; 482e9f207f0SJiri Benc } ap; 483e9f207f0SJiri Benc struct { 484e9f207f0SJiri Benc struct dentry *drop_unencrypted; 485e9f207f0SJiri Benc struct dentry *peer; 486e9f207f0SJiri Benc } wds; 487e9f207f0SJiri Benc struct { 488e9f207f0SJiri Benc struct dentry *drop_unencrypted; 489e9f207f0SJiri Benc } vlan; 490e9f207f0SJiri Benc struct { 491e9f207f0SJiri Benc struct dentry *mode; 492e9f207f0SJiri Benc } monitor; 493e9f207f0SJiri Benc struct dentry *default_key; 494e9f207f0SJiri Benc } debugfs; 495ee385855SLuis Carlos Cobo 496ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 497ee385855SLuis Carlos Cobo struct dentry *mesh_stats_dir; 498ee385855SLuis Carlos Cobo struct { 499ee385855SLuis Carlos Cobo struct dentry *fwded_frames; 500ee385855SLuis Carlos Cobo struct dentry *dropped_frames_ttl; 501ee385855SLuis Carlos Cobo struct dentry *dropped_frames_no_route; 502ee385855SLuis Carlos Cobo struct dentry *estab_plinks; 503ee385855SLuis Carlos Cobo struct timer_list mesh_path_timer; 504ee385855SLuis Carlos Cobo } mesh_stats; 505ee385855SLuis Carlos Cobo 506ee385855SLuis Carlos Cobo struct dentry *mesh_config_dir; 507ee385855SLuis Carlos Cobo struct { 508ee385855SLuis Carlos Cobo struct dentry *dot11MeshRetryTimeout; 509ee385855SLuis Carlos Cobo struct dentry *dot11MeshConfirmTimeout; 510ee385855SLuis Carlos Cobo struct dentry *dot11MeshHoldingTimeout; 511ee385855SLuis Carlos Cobo struct dentry *dot11MeshMaxRetries; 512ee385855SLuis Carlos Cobo struct dentry *dot11MeshTTL; 513ee385855SLuis Carlos Cobo struct dentry *auto_open_plinks; 514ee385855SLuis Carlos Cobo struct dentry *dot11MeshMaxPeerLinks; 515ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPactivePathTimeout; 516ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPpreqMinInterval; 517ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPnetDiameterTraversalTime; 518ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPmaxPREQretries; 519ee385855SLuis Carlos Cobo struct dentry *path_refresh_time; 520ee385855SLuis Carlos Cobo struct dentry *min_discovery_timeout; 521ee385855SLuis Carlos Cobo } mesh_config; 522ee385855SLuis Carlos Cobo #endif 523ee385855SLuis Carlos Cobo 524e9f207f0SJiri Benc #endif 52532bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 52632bfd35dSJohannes Berg struct ieee80211_vif vif; 527f0706e82SJiri Benc }; 528f0706e82SJiri Benc 52932bfd35dSJohannes Berg static inline 53032bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 53132bfd35dSJohannes Berg { 53232bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 53332bfd35dSJohannes Berg } 53432bfd35dSJohannes Berg 535f0706e82SJiri Benc #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) 536f0706e82SJiri Benc 537f0706e82SJiri Benc enum { 538f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 539f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 540eadc8d9eSRon Rindjunsky IEEE80211_DELBA_MSG = 3, 541eadc8d9eSRon Rindjunsky IEEE80211_ADDBA_MSG = 4, 542f0706e82SJiri Benc }; 543f0706e82SJiri Benc 544f0706e82SJiri Benc struct ieee80211_local { 545f0706e82SJiri Benc /* embed the driver visible part. 546f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 547f0706e82SJiri Benc * it first anyway so they become a no-op */ 548f0706e82SJiri Benc struct ieee80211_hw hw; 549f0706e82SJiri Benc 550f0706e82SJiri Benc const struct ieee80211_ops *ops; 551f0706e82SJiri Benc 552f0706e82SJiri Benc struct net_device *mdev; /* wmaster# - "master" 802.11 device */ 553f0706e82SJiri Benc int open_count; 5543d30d949SMichael Wu int monitors, cooked_mntrs; 5558cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 5568cc9a739SMichael Wu int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; 5574150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 558f0706e82SJiri Benc struct iw_statistics wstats; 559f0706e82SJiri Benc u8 wstats_flags; 560d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 561b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 562f0706e82SJiri Benc 563f0706e82SJiri Benc enum { 564f0706e82SJiri Benc IEEE80211_DEV_UNINITIALIZED = 0, 565f0706e82SJiri Benc IEEE80211_DEV_REGISTERED, 566f0706e82SJiri Benc IEEE80211_DEV_UNREGISTERED, 567f0706e82SJiri Benc } reg_state; 568f0706e82SJiri Benc 569f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 570f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 571f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 572f0706e82SJiri Benc * queues increases over the limit. */ 573f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 574f0706e82SJiri Benc struct tasklet_struct tasklet; 575f0706e82SJiri Benc struct sk_buff_head skb_queue; 576f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 577f0706e82SJiri Benc 578d0709a65SJohannes Berg /* Station data */ 579d0709a65SJohannes Berg /* 580d0709a65SJohannes Berg * The lock only protects the list, hash, timer and counter 581d0709a65SJohannes Berg * against manipulation, reads are done in RCU. Additionally, 582b16bd15cSJohannes Berg * the lock protects each BSS's TIM bitmap. 583d0709a65SJohannes Berg */ 584d0709a65SJohannes Berg spinlock_t sta_lock; 585d0709a65SJohannes Berg unsigned long num_sta; 586f0706e82SJiri Benc struct list_head sta_list; 587dc6676b7SJohannes Berg struct list_head sta_flush_list; 588dc6676b7SJohannes Berg struct work_struct sta_flush_work; 589f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 590f0706e82SJiri Benc struct timer_list sta_cleanup; 591f0706e82SJiri Benc 592e2530083SJohannes Berg unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; 593eefce91aSJohannes Berg struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; 594f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 595f0706e82SJiri Benc 596f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 59753918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 598f0706e82SJiri Benc 599f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 600f0706e82SJiri Benc 601f0706e82SJiri Benc int rts_threshold; 602f0706e82SJiri Benc int fragmentation_threshold; 603f0706e82SJiri Benc int short_retry_limit; /* dot11ShortRetryLimit */ 604f0706e82SJiri Benc int long_retry_limit; /* dot11LongRetryLimit */ 605f0706e82SJiri Benc 606f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 607f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 608f0706e82SJiri Benc u32 wep_iv; 609f0706e82SJiri Benc 610f0706e82SJiri Benc int bridge_packets; /* bridge packets between associated stations and 611f0706e82SJiri Benc * deliver multicast frames both back to wireless 612f0706e82SJiri Benc * media and to the local net stack */ 613f0706e82SJiri Benc 61479010420SJohannes Berg struct list_head interfaces; 61579010420SJohannes Berg 616b16bd15cSJohannes Berg /* 617b16bd15cSJohannes Berg * Key lock, protects sdata's key_list and sta_info's 618b16bd15cSJohannes Berg * key pointers (write access, they're RCU.) 619b16bd15cSJohannes Berg */ 620b16bd15cSJohannes Berg spinlock_t key_lock; 621b16bd15cSJohannes Berg 622b16bd15cSJohannes Berg 623ece8edddSZhu Yi bool sta_sw_scanning; 624ece8edddSZhu Yi bool sta_hw_scanning; 625f0706e82SJiri Benc int scan_channel_idx; 6268318d78aSJohannes Berg enum ieee80211_band scan_band; 6278318d78aSJohannes Berg 628f0706e82SJiri Benc enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; 629f0706e82SJiri Benc unsigned long last_scan_completed; 630f0706e82SJiri Benc struct delayed_work scan_work; 631f0706e82SJiri Benc struct net_device *scan_dev; 632f0706e82SJiri Benc struct ieee80211_channel *oper_channel, *scan_channel; 633f0706e82SJiri Benc u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; 634f0706e82SJiri Benc size_t scan_ssid_len; 635f0706e82SJiri Benc struct list_head sta_bss_list; 636f0706e82SJiri Benc struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; 637f0706e82SJiri Benc spinlock_t sta_bss_lock; 638f0706e82SJiri Benc 639f0706e82SJiri Benc /* SNMP counters */ 640f0706e82SJiri Benc /* dot11CountersTable */ 641f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 642f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 643f0706e82SJiri Benc u32 dot11FailedCount; 644f0706e82SJiri Benc u32 dot11RetryCount; 645f0706e82SJiri Benc u32 dot11MultipleRetryCount; 646f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 647f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 648f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 649f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 650f0706e82SJiri Benc u32 dot11WEPUndecryptableCount; 651f0706e82SJiri Benc 652f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 653f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 654cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 655cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 656cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 657f0706e82SJiri Benc #endif 658f0706e82SJiri Benc 659e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 660e9f207f0SJiri Benc struct work_struct sta_debugfs_add; 661e9f207f0SJiri Benc #endif 662e9f207f0SJiri Benc 663f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 664f0706e82SJiri Benc /* TX/RX handler statistics */ 665f0706e82SJiri Benc unsigned int tx_handlers_drop; 666f0706e82SJiri Benc unsigned int tx_handlers_queued; 667f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 668f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 669f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 670f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 671f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 672f0706e82SJiri Benc unsigned int rx_handlers_drop; 673f0706e82SJiri Benc unsigned int rx_handlers_queued; 674f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 675f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 676f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 677f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 678f0706e82SJiri Benc unsigned int tx_expand_skb_head; 679f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 680f0706e82SJiri Benc unsigned int rx_expand_skb_head; 681f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 682f0706e82SJiri Benc unsigned int rx_handlers_fragments; 683f0706e82SJiri Benc unsigned int tx_status_drop; 684f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 685f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 686f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 687f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 688f0706e82SJiri Benc 689f0706e82SJiri Benc 690f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 691f0706e82SJiri Benc * multicast packets for power saving stations 692f0706e82SJiri Benc */ 693f0706e82SJiri Benc int wifi_wme_noack_test; 694f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 695f0706e82SJiri Benc 696e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 697e9f207f0SJiri Benc struct local_debugfsdentries { 698e9f207f0SJiri Benc struct dentry *frequency; 699e9f207f0SJiri Benc struct dentry *antenna_sel_tx; 700e9f207f0SJiri Benc struct dentry *antenna_sel_rx; 701e9f207f0SJiri Benc struct dentry *bridge_packets; 702e9f207f0SJiri Benc struct dentry *rts_threshold; 703e9f207f0SJiri Benc struct dentry *fragmentation_threshold; 704e9f207f0SJiri Benc struct dentry *short_retry_limit; 705e9f207f0SJiri Benc struct dentry *long_retry_limit; 706e9f207f0SJiri Benc struct dentry *total_ps_buffered; 707e9f207f0SJiri Benc struct dentry *wep_iv; 708e9f207f0SJiri Benc struct dentry *statistics; 709e9f207f0SJiri Benc struct local_debugfsdentries_statsdentries { 710e9f207f0SJiri Benc struct dentry *transmitted_fragment_count; 711e9f207f0SJiri Benc struct dentry *multicast_transmitted_frame_count; 712e9f207f0SJiri Benc struct dentry *failed_count; 713e9f207f0SJiri Benc struct dentry *retry_count; 714e9f207f0SJiri Benc struct dentry *multiple_retry_count; 715e9f207f0SJiri Benc struct dentry *frame_duplicate_count; 716e9f207f0SJiri Benc struct dentry *received_fragment_count; 717e9f207f0SJiri Benc struct dentry *multicast_received_frame_count; 718e9f207f0SJiri Benc struct dentry *transmitted_frame_count; 719e9f207f0SJiri Benc struct dentry *wep_undecryptable_count; 720e9f207f0SJiri Benc struct dentry *num_scans; 721e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 722e9f207f0SJiri Benc struct dentry *tx_handlers_drop; 723e9f207f0SJiri Benc struct dentry *tx_handlers_queued; 724e9f207f0SJiri Benc struct dentry *tx_handlers_drop_unencrypted; 725e9f207f0SJiri Benc struct dentry *tx_handlers_drop_fragment; 726e9f207f0SJiri Benc struct dentry *tx_handlers_drop_wep; 727e9f207f0SJiri Benc struct dentry *tx_handlers_drop_not_assoc; 728e9f207f0SJiri Benc struct dentry *tx_handlers_drop_unauth_port; 729e9f207f0SJiri Benc struct dentry *rx_handlers_drop; 730e9f207f0SJiri Benc struct dentry *rx_handlers_queued; 731e9f207f0SJiri Benc struct dentry *rx_handlers_drop_nullfunc; 732e9f207f0SJiri Benc struct dentry *rx_handlers_drop_defrag; 733e9f207f0SJiri Benc struct dentry *rx_handlers_drop_short; 734e9f207f0SJiri Benc struct dentry *rx_handlers_drop_passive_scan; 735e9f207f0SJiri Benc struct dentry *tx_expand_skb_head; 736e9f207f0SJiri Benc struct dentry *tx_expand_skb_head_cloned; 737e9f207f0SJiri Benc struct dentry *rx_expand_skb_head; 738e9f207f0SJiri Benc struct dentry *rx_expand_skb_head2; 739e9f207f0SJiri Benc struct dentry *rx_handlers_fragments; 740e9f207f0SJiri Benc struct dentry *tx_status_drop; 741e9f207f0SJiri Benc #endif 742e9f207f0SJiri Benc struct dentry *dot11ACKFailureCount; 743e9f207f0SJiri Benc struct dentry *dot11RTSFailureCount; 744e9f207f0SJiri Benc struct dentry *dot11FCSErrorCount; 745e9f207f0SJiri Benc struct dentry *dot11RTSSuccessCount; 746e9f207f0SJiri Benc } stats; 747e9f207f0SJiri Benc struct dentry *stations; 748e9f207f0SJiri Benc struct dentry *keys; 749e9f207f0SJiri Benc } debugfs; 750e9f207f0SJiri Benc #endif 751f0706e82SJiri Benc }; 752f0706e82SJiri Benc 753e2530083SJohannes Berg static inline int ieee80211_is_multiqueue(struct ieee80211_local *local) 754e2530083SJohannes Berg { 755e2530083SJohannes Berg #ifdef CONFIG_MAC80211_QOS 756e2530083SJohannes Berg return netif_is_multiqueue(local->mdev); 757e2530083SJohannes Berg #else 758e2530083SJohannes Berg return 0; 759e2530083SJohannes Berg #endif 760e2530083SJohannes Berg } 761e2530083SJohannes Berg 762eadc8d9eSRon Rindjunsky /* this struct represents 802.11n's RA/TID combination */ 763eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 764eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 765eadc8d9eSRon Rindjunsky u16 tid; 766eadc8d9eSRon Rindjunsky }; 767eadc8d9eSRon Rindjunsky 768ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 769ee385855SLuis Carlos Cobo struct ieee802_11_elems { 770ee385855SLuis Carlos Cobo /* pointers to IEs */ 771ee385855SLuis Carlos Cobo u8 *ssid; 772ee385855SLuis Carlos Cobo u8 *supp_rates; 773ee385855SLuis Carlos Cobo u8 *fh_params; 774ee385855SLuis Carlos Cobo u8 *ds_params; 775ee385855SLuis Carlos Cobo u8 *cf_params; 776ee385855SLuis Carlos Cobo u8 *tim; 777ee385855SLuis Carlos Cobo u8 *ibss_params; 778ee385855SLuis Carlos Cobo u8 *challenge; 779ee385855SLuis Carlos Cobo u8 *wpa; 780ee385855SLuis Carlos Cobo u8 *rsn; 781ee385855SLuis Carlos Cobo u8 *erp_info; 782ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 783ee385855SLuis Carlos Cobo u8 *wmm_info; 784ee385855SLuis Carlos Cobo u8 *wmm_param; 785ee385855SLuis Carlos Cobo u8 *ht_cap_elem; 786ee385855SLuis Carlos Cobo u8 *ht_info_elem; 787ee385855SLuis Carlos Cobo u8 *mesh_config; 788ee385855SLuis Carlos Cobo u8 *mesh_id; 789ee385855SLuis Carlos Cobo u8 *peer_link; 790ee385855SLuis Carlos Cobo u8 *preq; 791ee385855SLuis Carlos Cobo u8 *prep; 792ee385855SLuis Carlos Cobo u8 *perr; 793ee385855SLuis Carlos Cobo 794ee385855SLuis Carlos Cobo /* length of them, respectively */ 795ee385855SLuis Carlos Cobo u8 ssid_len; 796ee385855SLuis Carlos Cobo u8 supp_rates_len; 797ee385855SLuis Carlos Cobo u8 fh_params_len; 798ee385855SLuis Carlos Cobo u8 ds_params_len; 799ee385855SLuis Carlos Cobo u8 cf_params_len; 800ee385855SLuis Carlos Cobo u8 tim_len; 801ee385855SLuis Carlos Cobo u8 ibss_params_len; 802ee385855SLuis Carlos Cobo u8 challenge_len; 803ee385855SLuis Carlos Cobo u8 wpa_len; 804ee385855SLuis Carlos Cobo u8 rsn_len; 805ee385855SLuis Carlos Cobo u8 erp_info_len; 806ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 807ee385855SLuis Carlos Cobo u8 wmm_info_len; 808ee385855SLuis Carlos Cobo u8 wmm_param_len; 809ee385855SLuis Carlos Cobo u8 ht_cap_elem_len; 810ee385855SLuis Carlos Cobo u8 ht_info_elem_len; 811ee385855SLuis Carlos Cobo u8 mesh_config_len; 812ee385855SLuis Carlos Cobo u8 mesh_id_len; 813ee385855SLuis Carlos Cobo u8 peer_link_len; 814ee385855SLuis Carlos Cobo u8 preq_len; 815ee385855SLuis Carlos Cobo u8 prep_len; 816ee385855SLuis Carlos Cobo u8 perr_len; 817ee385855SLuis Carlos Cobo }; 818ee385855SLuis Carlos Cobo 819f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 820f0706e82SJiri Benc struct ieee80211_hw *hw) 821f0706e82SJiri Benc { 822f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 823f0706e82SJiri Benc } 824f0706e82SJiri Benc 825f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 826f0706e82SJiri Benc struct ieee80211_local *local) 827f0706e82SJiri Benc { 828f0706e82SJiri Benc return &local->hw; 829f0706e82SJiri Benc } 830f0706e82SJiri Benc 831f0706e82SJiri Benc struct sta_attribute { 832f0706e82SJiri Benc struct attribute attr; 833f0706e82SJiri Benc ssize_t (*show)(const struct sta_info *, char *buf); 834f0706e82SJiri Benc ssize_t (*store)(struct sta_info *, const char *buf, size_t count); 835f0706e82SJiri Benc }; 836f0706e82SJiri Benc 837571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 838571ecf67SJohannes Berg { 839571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 840571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 841571ecf67SJohannes Berg } 842571ecf67SJohannes Berg 843571ecf67SJohannes Berg 844f0706e82SJiri Benc /* ieee80211.c */ 845f0706e82SJiri Benc int ieee80211_hw_config(struct ieee80211_local *local); 846f0706e82SJiri Benc int ieee80211_if_config(struct net_device *dev); 847f0706e82SJiri Benc int ieee80211_if_config_beacon(struct net_device *dev); 8485cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 849f0706e82SJiri Benc void ieee80211_if_setup(struct net_device *dev); 85038668c05STomas Winkler u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, 851d3c990fbSRon Rindjunsky struct ieee80211_ht_info *req_ht_cap, 852d3c990fbSRon Rindjunsky struct ieee80211_ht_bss_info *req_bss_cap); 853f0706e82SJiri Benc 854f0706e82SJiri Benc /* ieee80211_ioctl.c */ 855f0706e82SJiri Benc extern const struct iw_handler_def ieee80211_iw_handler_def; 8568318d78aSJohannes Berg int ieee80211_set_freq(struct ieee80211_local *local, int freq); 857f0706e82SJiri Benc /* ieee80211_sta.c */ 858f0706e82SJiri Benc void ieee80211_sta_timer(unsigned long data); 859f0706e82SJiri Benc void ieee80211_sta_work(struct work_struct *work); 860f0706e82SJiri Benc void ieee80211_sta_scan_work(struct work_struct *work); 861f0706e82SJiri Benc void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, 862f0706e82SJiri Benc struct ieee80211_rx_status *rx_status); 863f0706e82SJiri Benc int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); 864f0706e82SJiri Benc int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); 865f0706e82SJiri Benc int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); 866f0706e82SJiri Benc int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); 867f0706e82SJiri Benc void ieee80211_sta_req_auth(struct net_device *dev, 868f0706e82SJiri Benc struct ieee80211_if_sta *ifsta); 869f0706e82SJiri Benc int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); 8709ae54c84SJohannes Berg ieee80211_rx_result ieee80211_sta_rx_scan( 8719ae54c84SJohannes Berg struct net_device *dev, struct sk_buff *skb, 872f0706e82SJiri Benc struct ieee80211_rx_status *rx_status); 873f0706e82SJiri Benc void ieee80211_rx_bss_list_init(struct net_device *dev); 874f0706e82SJiri Benc void ieee80211_rx_bss_list_deinit(struct net_device *dev); 875f0706e82SJiri Benc int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); 876f0706e82SJiri Benc struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev, 877f0706e82SJiri Benc struct sk_buff *skb, u8 *bssid, 878f0706e82SJiri Benc u8 *addr); 879f0706e82SJiri Benc int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); 880f0706e82SJiri Benc int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); 881471b3efdSJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 882471b3efdSJohannes Berg u32 changed); 883d9430a32SDaniel Drake void ieee80211_reset_erp_info(struct net_device *dev); 884c7153508SRon Rindjunsky int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, 885c7153508SRon Rindjunsky struct ieee80211_ht_info *ht_info); 886c7153508SRon Rindjunsky int ieee80211_ht_addt_info_ie_to_ht_bss_info( 887c7153508SRon Rindjunsky struct ieee80211_ht_addt_info *ht_add_info_ie, 888c7153508SRon Rindjunsky struct ieee80211_ht_bss_info *bss_info); 889eadc8d9eSRon Rindjunsky void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, 890eadc8d9eSRon Rindjunsky u16 tid, u8 dialog_token, u16 start_seq_num, 891eadc8d9eSRon Rindjunsky u16 agg_size, u16 timeout); 892eadc8d9eSRon Rindjunsky void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, 893eadc8d9eSRon Rindjunsky u16 initiator, u16 reason_code); 89485249e5fSRon Rindjunsky 89507db2183SRon Rindjunsky void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, 89607db2183SRon Rindjunsky u16 tid, u16 initiator, u16 reason); 897eadc8d9eSRon Rindjunsky void sta_addba_resp_timer_expired(unsigned long data); 89885249e5fSRon Rindjunsky void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr); 899ee385855SLuis Carlos Cobo u64 ieee80211_sta_get_rates(struct ieee80211_local *local, 900ee385855SLuis Carlos Cobo struct ieee802_11_elems *elems, 901ee385855SLuis Carlos Cobo enum ieee80211_band band); 902ee385855SLuis Carlos Cobo void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, 903ee385855SLuis Carlos Cobo int encrypt); 904ee385855SLuis Carlos Cobo void ieee802_11_parse_elems(u8 *start, size_t len, 905ee385855SLuis Carlos Cobo struct ieee802_11_elems *elems); 906ee385855SLuis Carlos Cobo 907902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 908902acc78SJohannes Berg void ieee80211_start_mesh(struct net_device *dev); 909902acc78SJohannes Berg #else 910902acc78SJohannes Berg static inline void ieee80211_start_mesh(struct net_device *dev) 911902acc78SJohannes Berg {} 912902acc78SJohannes Berg #endif 913ee385855SLuis Carlos Cobo 914f0706e82SJiri Benc /* ieee80211_iface.c */ 915f0706e82SJiri Benc int ieee80211_if_add(struct net_device *dev, const char *name, 916ee385855SLuis Carlos Cobo struct net_device **new_dev, int type, 917ee385855SLuis Carlos Cobo struct vif_params *params); 918f0706e82SJiri Benc void ieee80211_if_set_type(struct net_device *dev, int type); 919f0706e82SJiri Benc void ieee80211_if_reinit(struct net_device *dev); 920f0706e82SJiri Benc void __ieee80211_if_del(struct ieee80211_local *local, 921f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata); 922f0706e82SJiri Benc int ieee80211_if_remove(struct net_device *dev, const char *name, int id); 923f0706e82SJiri Benc void ieee80211_if_free(struct net_device *dev); 924f0706e82SJiri Benc void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); 925f0706e82SJiri Benc 926e2ebc74dSJohannes Berg /* tx handling */ 927e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 928e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 929e2ebc74dSJohannes Berg int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); 930e2ebc74dSJohannes Berg int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); 931e2ebc74dSJohannes Berg int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); 932e2ebc74dSJohannes Berg 933c2d1560aSJohannes Berg /* utility functions/constants */ 934c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 935c2d1560aSJohannes Berg extern const unsigned char rfc1042_header[6]; 936c2d1560aSJohannes Berg extern const unsigned char bridge_tunnel_header[6]; 93771364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 93871364716SRon Rindjunsky enum ieee80211_if_types type); 939c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 940c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 941eb063c17SJohannes Berg void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, 942eb063c17SJohannes Berg struct ieee80211_hdr *hdr); 943f0706e82SJiri Benc 944f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 945