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> 5f0706e82SJiri Benc * 6f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 7f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 8f0706e82SJiri Benc * published by the Free Software Foundation. 9f0706e82SJiri Benc */ 10f0706e82SJiri Benc 11f0706e82SJiri Benc #ifndef IEEE80211_I_H 12f0706e82SJiri Benc #define IEEE80211_I_H 13f0706e82SJiri Benc 14f0706e82SJiri Benc #include <linux/kernel.h> 15f0706e82SJiri Benc #include <linux/device.h> 16f0706e82SJiri Benc #include <linux/if_ether.h> 17f0706e82SJiri Benc #include <linux/interrupt.h> 18f0706e82SJiri Benc #include <linux/list.h> 19f0706e82SJiri Benc #include <linux/netdevice.h> 20f0706e82SJiri Benc #include <linux/skbuff.h> 21f0706e82SJiri Benc #include <linux/workqueue.h> 22f0706e82SJiri Benc #include <linux/types.h> 23f0706e82SJiri Benc #include <linux/spinlock.h> 24571ecf67SJohannes Berg #include <linux/etherdevice.h> 25f0706e82SJiri Benc #include <net/wireless.h> 26f0706e82SJiri Benc #include "ieee80211_key.h" 27f0706e82SJiri Benc #include "sta_info.h" 28f0706e82SJiri Benc 29f0706e82SJiri Benc /* ieee80211.o internal definitions, etc. These are not included into 30f0706e82SJiri Benc * low-level drivers. */ 31f0706e82SJiri Benc 32f0706e82SJiri Benc #ifndef ETH_P_PAE 33f0706e82SJiri Benc #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 34f0706e82SJiri Benc #endif /* ETH_P_PAE */ 35f0706e82SJiri Benc 36f0706e82SJiri Benc #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) 37f0706e82SJiri Benc 38f0706e82SJiri Benc struct ieee80211_local; 39f0706e82SJiri Benc 40f0706e82SJiri Benc #define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3) 41f0706e82SJiri Benc 42f0706e82SJiri Benc /* Maximum number of broadcast/multicast frames to buffer when some of the 43f0706e82SJiri Benc * associated stations are using power saving. */ 44f0706e82SJiri Benc #define AP_MAX_BC_BUFFER 128 45f0706e82SJiri Benc 46f0706e82SJiri Benc /* Maximum number of frames buffered to all STAs, including multicast frames. 47f0706e82SJiri Benc * Note: increasing this limit increases the potential memory requirement. Each 48f0706e82SJiri Benc * frame can be up to about 2 kB long. */ 49f0706e82SJiri Benc #define TOTAL_MAX_TX_BUFFER 512 50f0706e82SJiri Benc 51f0706e82SJiri Benc /* Required encryption head and tailroom */ 52f0706e82SJiri Benc #define IEEE80211_ENCRYPT_HEADROOM 8 53f0706e82SJiri Benc #define IEEE80211_ENCRYPT_TAILROOM 12 54f0706e82SJiri Benc 55f0706e82SJiri Benc /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent 56f0706e82SJiri Benc * reception of at least three fragmented frames. This limit can be increased 57f0706e82SJiri Benc * by changing this define, at the cost of slower frame reassembly and 58f0706e82SJiri Benc * increased memory use (about 2 kB of RAM per entry). */ 59f0706e82SJiri Benc #define IEEE80211_FRAGMENT_MAX 4 60f0706e82SJiri Benc 61f0706e82SJiri Benc struct ieee80211_fragment_entry { 62f0706e82SJiri Benc unsigned long first_frag_time; 63f0706e82SJiri Benc unsigned int seq; 64f0706e82SJiri Benc unsigned int rx_queue; 65f0706e82SJiri Benc unsigned int last_frag; 66f0706e82SJiri Benc unsigned int extra_len; 67f0706e82SJiri Benc struct sk_buff_head skb_list; 68f0706e82SJiri Benc int ccmp; /* Whether fragments were encrypted with CCMP */ 69f0706e82SJiri Benc u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ 70f0706e82SJiri Benc }; 71f0706e82SJiri Benc 72f0706e82SJiri Benc 73f0706e82SJiri Benc struct ieee80211_sta_bss { 74f0706e82SJiri Benc struct list_head list; 75f0706e82SJiri Benc struct ieee80211_sta_bss *hnext; 76f0706e82SJiri Benc atomic_t users; 77f0706e82SJiri Benc 78f0706e82SJiri Benc u8 bssid[ETH_ALEN]; 79f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 80f0706e82SJiri Benc size_t ssid_len; 81f0706e82SJiri Benc u16 capability; /* host byte order */ 828318d78aSJohannes Berg enum ieee80211_band band; 83f0706e82SJiri Benc int freq; 84f0706e82SJiri Benc int rssi, signal, noise; 85f0706e82SJiri Benc u8 *wpa_ie; 86f0706e82SJiri Benc size_t wpa_ie_len; 87f0706e82SJiri Benc u8 *rsn_ie; 88f0706e82SJiri Benc size_t rsn_ie_len; 89f0706e82SJiri Benc u8 *wmm_ie; 90f0706e82SJiri Benc size_t wmm_ie_len; 91c7153508SRon Rindjunsky u8 *ht_ie; 92c7153508SRon Rindjunsky size_t ht_ie_len; 93ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 94ee385855SLuis Carlos Cobo u8 *mesh_id; 95ee385855SLuis Carlos Cobo size_t mesh_id_len; 96ee385855SLuis Carlos Cobo u8 *mesh_cfg; 97902acc78SJohannes Berg #endif 98f0706e82SJiri Benc #define IEEE80211_MAX_SUPP_RATES 32 99f0706e82SJiri Benc u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; 100f0706e82SJiri Benc size_t supp_rates_len; 101f0706e82SJiri Benc int beacon_int; 102f0706e82SJiri Benc u64 timestamp; 103f0706e82SJiri Benc 104f0706e82SJiri Benc int probe_resp; 105f0706e82SJiri Benc unsigned long last_update; 106f0706e82SJiri Benc 1075628221cSDaniel Drake /* during assocation, we save an ERP value from a probe response so 1085628221cSDaniel Drake * that we can feed ERP info to the driver when handling the 1095628221cSDaniel Drake * association completes. these fields probably won't be up-to-date 1105628221cSDaniel Drake * otherwise, you probably don't want to use them. */ 1115628221cSDaniel Drake int has_erp_value; 1125628221cSDaniel Drake u8 erp_value; 113f0706e82SJiri Benc }; 114f0706e82SJiri Benc 115902acc78SJohannes Berg static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) 116902acc78SJohannes Berg { 117902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 118902acc78SJohannes Berg return bss->mesh_cfg; 119902acc78SJohannes Berg #endif 120902acc78SJohannes Berg return NULL; 121902acc78SJohannes Berg } 122902acc78SJohannes Berg 123902acc78SJohannes Berg static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) 124902acc78SJohannes Berg { 125902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 126902acc78SJohannes Berg return bss->mesh_id; 127902acc78SJohannes Berg #endif 128902acc78SJohannes Berg return NULL; 129902acc78SJohannes Berg } 130902acc78SJohannes Berg 131902acc78SJohannes Berg static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) 132902acc78SJohannes Berg { 133902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 134902acc78SJohannes Berg return bss->mesh_id_len; 135902acc78SJohannes Berg #endif 136902acc78SJohannes Berg return 0; 137902acc78SJohannes Berg } 138902acc78SJohannes Berg 139f0706e82SJiri Benc 1409ae54c84SJohannes Berg typedef unsigned __bitwise__ ieee80211_tx_result; 1419ae54c84SJohannes Berg #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) 1429ae54c84SJohannes Berg #define TX_DROP ((__force ieee80211_tx_result) 1u) 1439ae54c84SJohannes Berg #define TX_QUEUED ((__force ieee80211_tx_result) 2u) 1449ae54c84SJohannes Berg 1455cf121c3SJohannes Berg #define IEEE80211_TX_FRAGMENTED BIT(0) 1465cf121c3SJohannes Berg #define IEEE80211_TX_UNICAST BIT(1) 1475cf121c3SJohannes Berg #define IEEE80211_TX_PS_BUFFERED BIT(2) 1485cf121c3SJohannes Berg #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) 1495cf121c3SJohannes Berg #define IEEE80211_TX_INJECTED BIT(4) 1509ae54c84SJohannes Berg 1515cf121c3SJohannes Berg struct ieee80211_tx_data { 152f0706e82SJiri Benc struct sk_buff *skb; 153f0706e82SJiri Benc struct net_device *dev; 154f0706e82SJiri Benc struct ieee80211_local *local; 155f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata; 156f0706e82SJiri Benc struct sta_info *sta; 157f0706e82SJiri Benc u16 fc, ethertype; 158f0706e82SJiri Benc struct ieee80211_key *key; 159badffb72SJiri Slaby unsigned int flags; 1605cf121c3SJohannes Berg 161f0706e82SJiri Benc struct ieee80211_tx_control *control; 1628318d78aSJohannes Berg struct ieee80211_channel *channel; 163f0706e82SJiri Benc struct ieee80211_rate *rate; 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. */ 167f0706e82SJiri Benc struct ieee80211_rate *last_frag_rate; 168f0706e82SJiri Benc 169f0706e82SJiri Benc /* Extra fragments (in addition to the first fragment 170f0706e82SJiri Benc * in skb) */ 171f0706e82SJiri Benc int num_extra_frag; 172f0706e82SJiri Benc struct sk_buff **extra_frag; 1735cf121c3SJohannes Berg }; 1745cf121c3SJohannes Berg 1755cf121c3SJohannes Berg 1765cf121c3SJohannes Berg typedef unsigned __bitwise__ ieee80211_rx_result; 1775cf121c3SJohannes Berg #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) 1785cf121c3SJohannes Berg #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) 1795cf121c3SJohannes Berg #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) 1805cf121c3SJohannes Berg #define RX_QUEUED ((__force ieee80211_rx_result) 3u) 1815cf121c3SJohannes Berg 1825cf121c3SJohannes Berg #define IEEE80211_RX_IN_SCAN BIT(0) 1835cf121c3SJohannes Berg /* frame is destined to interface currently processed (incl. multicast frames) */ 1845cf121c3SJohannes Berg #define IEEE80211_RX_RA_MATCH BIT(1) 1855cf121c3SJohannes Berg #define IEEE80211_RX_AMSDU BIT(2) 1865cf121c3SJohannes Berg #define IEEE80211_RX_CMNTR_REPORTED BIT(3) 1875cf121c3SJohannes Berg #define IEEE80211_RX_FRAGMENTED BIT(4) 1885cf121c3SJohannes Berg 1895cf121c3SJohannes Berg struct ieee80211_rx_data { 1905cf121c3SJohannes Berg struct sk_buff *skb; 1915cf121c3SJohannes Berg struct net_device *dev; 1925cf121c3SJohannes Berg struct ieee80211_local *local; 1935cf121c3SJohannes Berg struct ieee80211_sub_if_data *sdata; 1945cf121c3SJohannes Berg struct sta_info *sta; 1955cf121c3SJohannes Berg u16 fc, ethertype; 1965cf121c3SJohannes Berg struct ieee80211_key *key; 1975cf121c3SJohannes Berg unsigned int flags; 1985cf121c3SJohannes Berg 199f0706e82SJiri Benc struct ieee80211_rx_status *status; 2008318d78aSJohannes Berg struct ieee80211_rate *rate; 201f0706e82SJiri Benc int sent_ps_buffered; 202f0706e82SJiri Benc int queue; 203f0706e82SJiri Benc int load; 20450741ae0SJohannes Berg u32 tkip_iv32; 20550741ae0SJohannes Berg u16 tkip_iv16; 206f0706e82SJiri Benc }; 207f0706e82SJiri Benc 208e8bf9649SJiri Slaby /* flags used in struct ieee80211_tx_packet_data.flags */ 209e8bf9649SJiri Slaby #define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) 210e8bf9649SJiri Slaby #define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) 211e8bf9649SJiri Slaby #define IEEE80211_TXPD_REQUEUE BIT(2) 212678f5f71SJohannes Berg #define IEEE80211_TXPD_EAPOL_FRAME BIT(3) 2139e723492SRon Rindjunsky #define IEEE80211_TXPD_AMPDU BIT(4) 214f0706e82SJiri Benc /* Stored in sk_buff->cb */ 215f0706e82SJiri Benc struct ieee80211_tx_packet_data { 216f0706e82SJiri Benc int ifindex; 217f0706e82SJiri Benc unsigned long jiffies; 218e8bf9649SJiri Slaby unsigned int flags; 219e8bf9649SJiri Slaby u8 queue; 220f0706e82SJiri Benc }; 221f0706e82SJiri Benc 222f0706e82SJiri Benc struct ieee80211_tx_stored_packet { 223f0706e82SJiri Benc struct ieee80211_tx_control control; 224f0706e82SJiri Benc struct sk_buff *skb; 225f0706e82SJiri Benc int num_extra_frag; 226f0706e82SJiri Benc struct sk_buff **extra_frag; 227f0706e82SJiri Benc struct ieee80211_rate *last_frag_rate; 228badffb72SJiri Slaby unsigned int last_frag_rate_ctrl_probe; 229f0706e82SJiri Benc }; 230f0706e82SJiri Benc 2315dfdaf58SJohannes Berg struct beacon_data { 2325dfdaf58SJohannes Berg u8 *head, *tail; 2335dfdaf58SJohannes Berg int head_len, tail_len; 2345dfdaf58SJohannes Berg int dtim_period; 2355dfdaf58SJohannes Berg }; 2365dfdaf58SJohannes Berg 237f0706e82SJiri Benc struct ieee80211_if_ap { 2385dfdaf58SJohannes Berg struct beacon_data *beacon; 239f0706e82SJiri Benc 2400ec3ca44SJohannes Berg struct list_head vlans; 2410ec3ca44SJohannes Berg 242f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 243f0706e82SJiri Benc size_t ssid_len; 244f0706e82SJiri Benc 245f0706e82SJiri Benc /* yes, this looks ugly, but guarantees that we can later use 246f0706e82SJiri Benc * bitmap_empty :) 247004c872eSJohannes Berg * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ 248f0706e82SJiri Benc u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; 249f0706e82SJiri Benc atomic_t num_sta_ps; /* number of stations in PS mode */ 250f0706e82SJiri Benc struct sk_buff_head ps_bc_buf; 2515dfdaf58SJohannes Berg int dtim_count; 252f0706e82SJiri Benc int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ 253f0706e82SJiri Benc int max_ratectrl_rateidx; /* max TX rateidx for rate control */ 254f0706e82SJiri Benc int num_beacons; /* number of TXed beacon frames for this BSS */ 255f0706e82SJiri Benc }; 256f0706e82SJiri Benc 257f0706e82SJiri Benc struct ieee80211_if_wds { 258f0706e82SJiri Benc u8 remote_addr[ETH_ALEN]; 259f0706e82SJiri Benc struct sta_info *sta; 260f0706e82SJiri Benc }; 261f0706e82SJiri Benc 262f0706e82SJiri Benc struct ieee80211_if_vlan { 2630ec3ca44SJohannes Berg struct ieee80211_sub_if_data *ap; 2640ec3ca44SJohannes Berg struct list_head list; 265f0706e82SJiri Benc }; 266f0706e82SJiri Benc 267ee385855SLuis Carlos Cobo struct mesh_stats { 268ee385855SLuis Carlos Cobo __u32 fwded_frames; /* Mesh forwarded frames */ 269ee385855SLuis Carlos Cobo __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ 270ee385855SLuis Carlos Cobo __u32 dropped_frames_no_route; /* Not transmitted, no route found */ 271ee385855SLuis Carlos Cobo atomic_t estab_plinks; 272ee385855SLuis Carlos Cobo }; 273ee385855SLuis Carlos Cobo 274ee385855SLuis Carlos Cobo #define PREQ_Q_F_START 0x1 275ee385855SLuis Carlos Cobo #define PREQ_Q_F_REFRESH 0x2 276ee385855SLuis Carlos Cobo struct mesh_preq_queue { 277ee385855SLuis Carlos Cobo struct list_head list; 278ee385855SLuis Carlos Cobo u8 dst[ETH_ALEN]; 279ee385855SLuis Carlos Cobo u8 flags; 280ee385855SLuis Carlos Cobo }; 281ee385855SLuis Carlos Cobo 282ee385855SLuis Carlos Cobo struct mesh_config { 283ee385855SLuis Carlos Cobo /* Timeouts in ms */ 284ee385855SLuis Carlos Cobo /* Mesh plink management parameters */ 285ee385855SLuis Carlos Cobo u16 dot11MeshRetryTimeout; 286ee385855SLuis Carlos Cobo u16 dot11MeshConfirmTimeout; 287ee385855SLuis Carlos Cobo u16 dot11MeshHoldingTimeout; 288ee385855SLuis Carlos Cobo u16 dot11MeshMaxPeerLinks; 289ee385855SLuis Carlos Cobo u8 dot11MeshMaxRetries; 290ee385855SLuis Carlos Cobo u8 dot11MeshTTL; 291ee385855SLuis Carlos Cobo bool auto_open_plinks; 292ee385855SLuis Carlos Cobo /* HWMP parameters */ 293ee385855SLuis Carlos Cobo u32 dot11MeshHWMPactivePathTimeout; 294ee385855SLuis Carlos Cobo u16 dot11MeshHWMPpreqMinInterval; 295ee385855SLuis Carlos Cobo u16 dot11MeshHWMPnetDiameterTraversalTime; 296ee385855SLuis Carlos Cobo u8 dot11MeshHWMPmaxPREQretries; 297ee385855SLuis Carlos Cobo u32 path_refresh_time; 298ee385855SLuis Carlos Cobo u16 min_discovery_timeout; 299ee385855SLuis Carlos Cobo }; 300902acc78SJohannes Berg 301ee385855SLuis Carlos Cobo 302d6f2da5bSJiri Slaby /* flags used in struct ieee80211_if_sta.flags */ 303d6f2da5bSJiri Slaby #define IEEE80211_STA_SSID_SET BIT(0) 304d6f2da5bSJiri Slaby #define IEEE80211_STA_BSSID_SET BIT(1) 305d6f2da5bSJiri Slaby #define IEEE80211_STA_PREV_BSSID_SET BIT(2) 306d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTHENTICATED BIT(3) 307d6f2da5bSJiri Slaby #define IEEE80211_STA_ASSOCIATED BIT(4) 308d6f2da5bSJiri Slaby #define IEEE80211_STA_PROBEREQ_POLL BIT(5) 309d6f2da5bSJiri Slaby #define IEEE80211_STA_CREATE_IBSS BIT(6) 310d6f2da5bSJiri Slaby #define IEEE80211_STA_MIXED_CELL BIT(7) 311d6f2da5bSJiri Slaby #define IEEE80211_STA_WMM_ENABLED BIT(8) 312d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) 313d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) 314d6f2da5bSJiri Slaby #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) 3155b98b1f7SJohannes Berg #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) 316f0706e82SJiri Benc struct ieee80211_if_sta { 317f0706e82SJiri Benc enum { 318f0706e82SJiri Benc IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, 319f0706e82SJiri Benc IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, 320ee385855SLuis Carlos Cobo IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, 321ee385855SLuis Carlos Cobo IEEE80211_MESH_UP 322f0706e82SJiri Benc } state; 323f0706e82SJiri Benc struct timer_list timer; 324f0706e82SJiri Benc struct work_struct work; 325f0706e82SJiri Benc u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; 326f0706e82SJiri Benc u8 ssid[IEEE80211_MAX_SSID_LEN]; 327f0706e82SJiri Benc size_t ssid_len; 328a0af5f14SHelmut Schaa u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; 329a0af5f14SHelmut Schaa size_t scan_ssid_len; 330ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 331ee385855SLuis Carlos Cobo struct timer_list mesh_path_timer; 332ee385855SLuis Carlos Cobo u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; 333ee385855SLuis Carlos Cobo bool accepting_plinks; 334ee385855SLuis Carlos Cobo size_t mesh_id_len; 335ee385855SLuis Carlos Cobo /* Active Path Selection Protocol Identifier */ 336ee385855SLuis Carlos Cobo u8 mesh_pp_id[4]; 337ee385855SLuis Carlos Cobo /* Active Path Selection Metric Identifier */ 338ee385855SLuis Carlos Cobo u8 mesh_pm_id[4]; 339ee385855SLuis Carlos Cobo /* Congestion Control Mode Identifier */ 340ee385855SLuis Carlos Cobo u8 mesh_cc_id[4]; 341ee385855SLuis Carlos Cobo /* Local mesh Destination Sequence Number */ 342ee385855SLuis Carlos Cobo u32 dsn; 343ee385855SLuis Carlos Cobo /* Last used PREQ ID */ 344ee385855SLuis Carlos Cobo u32 preq_id; 345ee385855SLuis Carlos Cobo atomic_t mpaths; 346ee385855SLuis Carlos Cobo /* Timestamp of last DSN update */ 347ee385855SLuis Carlos Cobo unsigned long last_dsn_update; 348ee385855SLuis Carlos Cobo /* Timestamp of last DSN sent */ 349ee385855SLuis Carlos Cobo unsigned long last_preq; 350ee385855SLuis Carlos Cobo struct mesh_rmc *rmc; 351ee385855SLuis Carlos Cobo spinlock_t mesh_preq_queue_lock; 352ee385855SLuis Carlos Cobo struct mesh_preq_queue preq_queue; 353ee385855SLuis Carlos Cobo int preq_queue_len; 354ee385855SLuis Carlos Cobo struct mesh_stats mshstats; 355ee385855SLuis Carlos Cobo struct mesh_config mshcfg; 356ee385855SLuis Carlos Cobo u8 mesh_seqnum[3]; 357ee385855SLuis Carlos Cobo #endif 358f0706e82SJiri Benc u16 aid; 359f0706e82SJiri Benc u16 ap_capab, capab; 360f0706e82SJiri Benc u8 *extra_ie; /* to be added to the end of AssocReq */ 361f0706e82SJiri Benc size_t extra_ie_len; 362f0706e82SJiri Benc 363f0706e82SJiri Benc /* The last AssocReq/Resp IEs */ 364f0706e82SJiri Benc u8 *assocreq_ies, *assocresp_ies; 365f0706e82SJiri Benc size_t assocreq_ies_len, assocresp_ies_len; 366f0706e82SJiri Benc 367f0706e82SJiri Benc int auth_tries, assoc_tries; 368f0706e82SJiri Benc 369d6f2da5bSJiri Slaby unsigned int flags; 370f0706e82SJiri Benc #define IEEE80211_STA_REQ_SCAN 0 371f0706e82SJiri Benc #define IEEE80211_STA_REQ_AUTH 1 372f0706e82SJiri Benc #define IEEE80211_STA_REQ_RUN 2 373f0706e82SJiri Benc unsigned long request; 374f0706e82SJiri Benc struct sk_buff_head skb_queue; 375f0706e82SJiri Benc 376f0706e82SJiri Benc unsigned long last_probe; 377f0706e82SJiri Benc 378f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_OPEN BIT(0) 379f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) 380f0706e82SJiri Benc #define IEEE80211_AUTH_ALG_LEAP BIT(2) 381f0706e82SJiri Benc unsigned int auth_algs; /* bitfield of allowed auth algs */ 382f0706e82SJiri Benc int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ 383f0706e82SJiri Benc int auth_transaction; 384f0706e82SJiri Benc 385f0706e82SJiri Benc unsigned long ibss_join_req; 386f0706e82SJiri Benc struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ 3878318d78aSJohannes Berg u32 supp_rates_bits[IEEE80211_NUM_BANDS]; 388f0706e82SJiri Benc 389f0706e82SJiri Benc int wmm_last_param_set; 390ee385855SLuis Carlos Cobo int num_beacons; /* number of TXed beacon frames by this STA */ 391f0706e82SJiri Benc }; 392f0706e82SJiri Benc 393902acc78SJohannes Berg static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, 394902acc78SJohannes Berg u8 mesh_id_len, u8 *mesh_id) 395902acc78SJohannes Berg { 396902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 397902acc78SJohannes Berg ifsta->mesh_id_len = mesh_id_len; 398902acc78SJohannes Berg memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); 399902acc78SJohannes Berg #endif 400902acc78SJohannes Berg } 401902acc78SJohannes Berg 402902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 403902acc78SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ 404902acc78SJohannes Berg do { (sta)->mshstats.name++; } while (0) 405902acc78SJohannes Berg #else 406902acc78SJohannes Berg #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ 407902acc78SJohannes Berg do { } while (0) 408902acc78SJohannes Berg #endif 409f0706e82SJiri Benc 41013262ffdSJiri Slaby /* flags used in struct ieee80211_sub_if_data.flags */ 41113262ffdSJiri Slaby #define IEEE80211_SDATA_ALLMULTI BIT(0) 41213262ffdSJiri Slaby #define IEEE80211_SDATA_PROMISC BIT(1) 413471b3efdSJohannes Berg #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) 4148318d78aSJohannes Berg #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) 415f0706e82SJiri Benc struct ieee80211_sub_if_data { 416f0706e82SJiri Benc struct list_head list; 417f0706e82SJiri Benc 418f0706e82SJiri Benc struct wireless_dev wdev; 419f0706e82SJiri Benc 42011a843b7SJohannes Berg /* keys */ 42111a843b7SJohannes Berg struct list_head key_list; 42211a843b7SJohannes Berg 423f0706e82SJiri Benc struct net_device *dev; 424f0706e82SJiri Benc struct ieee80211_local *local; 425f0706e82SJiri Benc 42613262ffdSJiri Slaby unsigned int flags; 4277e9ed188SDaniel Drake 428f0706e82SJiri Benc int drop_unencrypted; 429f0706e82SJiri Benc 4308318d78aSJohannes Berg /* 4318318d78aSJohannes Berg * basic rates of this AP or the AP we're associated to 4328318d78aSJohannes Berg */ 4338318d78aSJohannes Berg u64 basic_rates; 4348318d78aSJohannes Berg 435f0706e82SJiri Benc u16 sequence; 436f0706e82SJiri Benc 437f0706e82SJiri Benc /* Fragment table for host-based reassembly */ 438f0706e82SJiri Benc struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; 439f0706e82SJiri Benc unsigned int fragment_next; 440f0706e82SJiri Benc 441f0706e82SJiri Benc #define NUM_DEFAULT_KEYS 4 442f0706e82SJiri Benc struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; 443f0706e82SJiri Benc struct ieee80211_key *default_key; 444f0706e82SJiri Benc 445471b3efdSJohannes Berg /* 446471b3efdSJohannes Berg * BSS configuration for this interface. 447471b3efdSJohannes Berg * 448471b3efdSJohannes Berg * FIXME: I feel bad putting this here when we already have a 449471b3efdSJohannes Berg * bss pointer, but the bss pointer is just wrong when 450471b3efdSJohannes Berg * you have multiple virtual STA mode interfaces... 451471b3efdSJohannes Berg * This needs to be fixed. 452471b3efdSJohannes Berg */ 453471b3efdSJohannes Berg struct ieee80211_bss_conf bss_conf; 454f0706e82SJiri Benc struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ 455f0706e82SJiri Benc 456f0706e82SJiri Benc union { 457f0706e82SJiri Benc struct ieee80211_if_ap ap; 458f0706e82SJiri Benc struct ieee80211_if_wds wds; 459f0706e82SJiri Benc struct ieee80211_if_vlan vlan; 460f0706e82SJiri Benc struct ieee80211_if_sta sta; 4618cc9a739SMichael Wu u32 mntr_flags; 462f0706e82SJiri Benc } u; 463f0706e82SJiri Benc int channel_use; 464f0706e82SJiri Benc int channel_use_raw; 465e9f207f0SJiri Benc 466e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 467e9f207f0SJiri Benc struct dentry *debugfsdir; 468e9f207f0SJiri Benc union { 469e9f207f0SJiri Benc struct { 470e9f207f0SJiri Benc struct dentry *channel_use; 471e9f207f0SJiri Benc struct dentry *drop_unencrypted; 472e9f207f0SJiri Benc struct dentry *state; 473e9f207f0SJiri Benc struct dentry *bssid; 474e9f207f0SJiri Benc struct dentry *prev_bssid; 475e9f207f0SJiri Benc struct dentry *ssid_len; 476e9f207f0SJiri Benc struct dentry *aid; 477e9f207f0SJiri Benc struct dentry *ap_capab; 478e9f207f0SJiri Benc struct dentry *capab; 479e9f207f0SJiri Benc struct dentry *extra_ie_len; 480e9f207f0SJiri Benc struct dentry *auth_tries; 481e9f207f0SJiri Benc struct dentry *assoc_tries; 482e9f207f0SJiri Benc struct dentry *auth_algs; 483e9f207f0SJiri Benc struct dentry *auth_alg; 484e9f207f0SJiri Benc struct dentry *auth_transaction; 485e9f207f0SJiri Benc struct dentry *flags; 486ee385855SLuis Carlos Cobo struct dentry *num_beacons_sta; 487e9f207f0SJiri Benc } sta; 488e9f207f0SJiri Benc struct { 489e9f207f0SJiri Benc struct dentry *channel_use; 490e9f207f0SJiri Benc struct dentry *drop_unencrypted; 491e9f207f0SJiri Benc struct dentry *num_sta_ps; 492e9f207f0SJiri Benc struct dentry *dtim_count; 493e9f207f0SJiri Benc struct dentry *num_beacons; 494e9f207f0SJiri Benc struct dentry *force_unicast_rateidx; 495e9f207f0SJiri Benc struct dentry *max_ratectrl_rateidx; 496e9f207f0SJiri Benc struct dentry *num_buffered_multicast; 497e9f207f0SJiri Benc } ap; 498e9f207f0SJiri Benc struct { 499e9f207f0SJiri Benc struct dentry *channel_use; 500e9f207f0SJiri Benc struct dentry *drop_unencrypted; 501e9f207f0SJiri Benc struct dentry *peer; 502e9f207f0SJiri Benc } wds; 503e9f207f0SJiri Benc struct { 504e9f207f0SJiri Benc struct dentry *channel_use; 505e9f207f0SJiri Benc struct dentry *drop_unencrypted; 506e9f207f0SJiri Benc } vlan; 507e9f207f0SJiri Benc struct { 508e9f207f0SJiri Benc struct dentry *mode; 509e9f207f0SJiri Benc } monitor; 510e9f207f0SJiri Benc struct dentry *default_key; 511e9f207f0SJiri Benc } debugfs; 512ee385855SLuis Carlos Cobo 513ee385855SLuis Carlos Cobo #ifdef CONFIG_MAC80211_MESH 514ee385855SLuis Carlos Cobo struct dentry *mesh_stats_dir; 515ee385855SLuis Carlos Cobo struct { 516ee385855SLuis Carlos Cobo struct dentry *fwded_frames; 517ee385855SLuis Carlos Cobo struct dentry *dropped_frames_ttl; 518ee385855SLuis Carlos Cobo struct dentry *dropped_frames_no_route; 519ee385855SLuis Carlos Cobo struct dentry *estab_plinks; 520ee385855SLuis Carlos Cobo struct timer_list mesh_path_timer; 521ee385855SLuis Carlos Cobo } mesh_stats; 522ee385855SLuis Carlos Cobo 523ee385855SLuis Carlos Cobo struct dentry *mesh_config_dir; 524ee385855SLuis Carlos Cobo struct { 525ee385855SLuis Carlos Cobo struct dentry *dot11MeshRetryTimeout; 526ee385855SLuis Carlos Cobo struct dentry *dot11MeshConfirmTimeout; 527ee385855SLuis Carlos Cobo struct dentry *dot11MeshHoldingTimeout; 528ee385855SLuis Carlos Cobo struct dentry *dot11MeshMaxRetries; 529ee385855SLuis Carlos Cobo struct dentry *dot11MeshTTL; 530ee385855SLuis Carlos Cobo struct dentry *auto_open_plinks; 531ee385855SLuis Carlos Cobo struct dentry *dot11MeshMaxPeerLinks; 532ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPactivePathTimeout; 533ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPpreqMinInterval; 534ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPnetDiameterTraversalTime; 535ee385855SLuis Carlos Cobo struct dentry *dot11MeshHWMPmaxPREQretries; 536ee385855SLuis Carlos Cobo struct dentry *path_refresh_time; 537ee385855SLuis Carlos Cobo struct dentry *min_discovery_timeout; 538ee385855SLuis Carlos Cobo } mesh_config; 539ee385855SLuis Carlos Cobo #endif 540ee385855SLuis Carlos Cobo 541e9f207f0SJiri Benc #endif 54232bfd35dSJohannes Berg /* must be last, dynamically sized area in this! */ 54332bfd35dSJohannes Berg struct ieee80211_vif vif; 544f0706e82SJiri Benc }; 545f0706e82SJiri Benc 54632bfd35dSJohannes Berg static inline 54732bfd35dSJohannes Berg struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) 54832bfd35dSJohannes Berg { 54932bfd35dSJohannes Berg return container_of(p, struct ieee80211_sub_if_data, vif); 55032bfd35dSJohannes Berg } 55132bfd35dSJohannes Berg 552f0706e82SJiri Benc #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) 553f0706e82SJiri Benc 554f0706e82SJiri Benc enum { 555f0706e82SJiri Benc IEEE80211_RX_MSG = 1, 556f0706e82SJiri Benc IEEE80211_TX_STATUS_MSG = 2, 557eadc8d9eSRon Rindjunsky IEEE80211_DELBA_MSG = 3, 558eadc8d9eSRon Rindjunsky IEEE80211_ADDBA_MSG = 4, 559f0706e82SJiri Benc }; 560f0706e82SJiri Benc 561f0706e82SJiri Benc struct ieee80211_local { 562f0706e82SJiri Benc /* embed the driver visible part. 563f0706e82SJiri Benc * don't cast (use the static inlines below), but we keep 564f0706e82SJiri Benc * it first anyway so they become a no-op */ 565f0706e82SJiri Benc struct ieee80211_hw hw; 566f0706e82SJiri Benc 567f0706e82SJiri Benc const struct ieee80211_ops *ops; 568f0706e82SJiri Benc 569f0706e82SJiri Benc struct net_device *mdev; /* wmaster# - "master" 802.11 device */ 570f0706e82SJiri Benc int open_count; 5713d30d949SMichael Wu int monitors, cooked_mntrs; 5728cc9a739SMichael Wu /* number of interfaces with corresponding FIF_ flags */ 5738cc9a739SMichael Wu int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; 5744150c572SJohannes Berg unsigned int filter_flags; /* FIF_* */ 575f0706e82SJiri Benc struct iw_statistics wstats; 576f0706e82SJiri Benc u8 wstats_flags; 577d0709a65SJohannes Berg bool tim_in_locked_section; /* see ieee80211_beacon_get() */ 578b306f453SJohannes Berg int tx_headroom; /* required headroom for hardware/radiotap */ 579f0706e82SJiri Benc 580f0706e82SJiri Benc enum { 581f0706e82SJiri Benc IEEE80211_DEV_UNINITIALIZED = 0, 582f0706e82SJiri Benc IEEE80211_DEV_REGISTERED, 583f0706e82SJiri Benc IEEE80211_DEV_UNREGISTERED, 584f0706e82SJiri Benc } reg_state; 585f0706e82SJiri Benc 586f0706e82SJiri Benc /* Tasklet and skb queue to process calls from IRQ mode. All frames 587f0706e82SJiri Benc * added to skb_queue will be processed, but frames in 588f0706e82SJiri Benc * skb_queue_unreliable may be dropped if the total length of these 589f0706e82SJiri Benc * queues increases over the limit. */ 590f0706e82SJiri Benc #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 591f0706e82SJiri Benc struct tasklet_struct tasklet; 592f0706e82SJiri Benc struct sk_buff_head skb_queue; 593f0706e82SJiri Benc struct sk_buff_head skb_queue_unreliable; 594f0706e82SJiri Benc 595d0709a65SJohannes Berg /* Station data */ 596d0709a65SJohannes Berg /* 597d0709a65SJohannes Berg * The lock only protects the list, hash, timer and counter 598d0709a65SJohannes Berg * against manipulation, reads are done in RCU. Additionally, 599d0709a65SJohannes Berg * the lock protects each BSS's TIM bitmap and a few items 600d0709a65SJohannes Berg * in a STA info structure. 601d0709a65SJohannes Berg */ 602d0709a65SJohannes Berg spinlock_t sta_lock; 603d0709a65SJohannes Berg unsigned long num_sta; 604f0706e82SJiri Benc struct list_head sta_list; 605f0706e82SJiri Benc struct sta_info *sta_hash[STA_HASH_SIZE]; 606f0706e82SJiri Benc struct timer_list sta_cleanup; 607f0706e82SJiri Benc 6089e723492SRon Rindjunsky unsigned long state[NUM_TX_DATA_QUEUES_AMPDU]; 6099e723492SRon Rindjunsky struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES_AMPDU]; 610f0706e82SJiri Benc struct tasklet_struct tx_pending_tasklet; 611f0706e82SJiri Benc 612f0706e82SJiri Benc /* number of interfaces with corresponding IFF_ flags */ 61353918994SJohannes Berg atomic_t iff_allmultis, iff_promiscs; 614f0706e82SJiri Benc 615f0706e82SJiri Benc struct rate_control_ref *rate_ctrl; 616f0706e82SJiri Benc 617f0706e82SJiri Benc int rts_threshold; 618f0706e82SJiri Benc int fragmentation_threshold; 619f0706e82SJiri Benc int short_retry_limit; /* dot11ShortRetryLimit */ 620f0706e82SJiri Benc int long_retry_limit; /* dot11LongRetryLimit */ 621f0706e82SJiri Benc 622f0706e82SJiri Benc struct crypto_blkcipher *wep_tx_tfm; 623f0706e82SJiri Benc struct crypto_blkcipher *wep_rx_tfm; 624f0706e82SJiri Benc u32 wep_iv; 625f0706e82SJiri Benc 626f0706e82SJiri Benc int bridge_packets; /* bridge packets between associated stations and 627f0706e82SJiri Benc * deliver multicast frames both back to wireless 628f0706e82SJiri Benc * media and to the local net stack */ 629f0706e82SJiri Benc 63079010420SJohannes Berg struct list_head interfaces; 63179010420SJohannes Berg 632ece8edddSZhu Yi bool sta_sw_scanning; 633ece8edddSZhu Yi bool sta_hw_scanning; 634f0706e82SJiri Benc int scan_channel_idx; 6358318d78aSJohannes Berg enum ieee80211_band scan_band; 6368318d78aSJohannes Berg 637f0706e82SJiri Benc enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; 638f0706e82SJiri Benc unsigned long last_scan_completed; 639f0706e82SJiri Benc struct delayed_work scan_work; 640f0706e82SJiri Benc struct net_device *scan_dev; 641f0706e82SJiri Benc struct ieee80211_channel *oper_channel, *scan_channel; 642f0706e82SJiri Benc u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; 643f0706e82SJiri Benc size_t scan_ssid_len; 644f0706e82SJiri Benc struct list_head sta_bss_list; 645f0706e82SJiri Benc struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; 646f0706e82SJiri Benc spinlock_t sta_bss_lock; 647f0706e82SJiri Benc 648f0706e82SJiri Benc /* SNMP counters */ 649f0706e82SJiri Benc /* dot11CountersTable */ 650f0706e82SJiri Benc u32 dot11TransmittedFragmentCount; 651f0706e82SJiri Benc u32 dot11MulticastTransmittedFrameCount; 652f0706e82SJiri Benc u32 dot11FailedCount; 653f0706e82SJiri Benc u32 dot11RetryCount; 654f0706e82SJiri Benc u32 dot11MultipleRetryCount; 655f0706e82SJiri Benc u32 dot11FrameDuplicateCount; 656f0706e82SJiri Benc u32 dot11ReceivedFragmentCount; 657f0706e82SJiri Benc u32 dot11MulticastReceivedFrameCount; 658f0706e82SJiri Benc u32 dot11TransmittedFrameCount; 659f0706e82SJiri Benc u32 dot11WEPUndecryptableCount; 660f0706e82SJiri Benc 661f0706e82SJiri Benc #ifdef CONFIG_MAC80211_LEDS 662f0706e82SJiri Benc int tx_led_counter, rx_led_counter; 663cdcb006fSIvo van Doorn struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; 664cdcb006fSIvo van Doorn char tx_led_name[32], rx_led_name[32], 665cdcb006fSIvo van Doorn assoc_led_name[32], radio_led_name[32]; 666f0706e82SJiri Benc #endif 667f0706e82SJiri Benc 668f0706e82SJiri Benc u32 channel_use; 669f0706e82SJiri Benc u32 channel_use_raw; 670f0706e82SJiri Benc 671e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 672e9f207f0SJiri Benc struct work_struct sta_debugfs_add; 673e9f207f0SJiri Benc #endif 674e9f207f0SJiri Benc 675f0706e82SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 676f0706e82SJiri Benc /* TX/RX handler statistics */ 677f0706e82SJiri Benc unsigned int tx_handlers_drop; 678f0706e82SJiri Benc unsigned int tx_handlers_queued; 679f0706e82SJiri Benc unsigned int tx_handlers_drop_unencrypted; 680f0706e82SJiri Benc unsigned int tx_handlers_drop_fragment; 681f0706e82SJiri Benc unsigned int tx_handlers_drop_wep; 682f0706e82SJiri Benc unsigned int tx_handlers_drop_not_assoc; 683f0706e82SJiri Benc unsigned int tx_handlers_drop_unauth_port; 684f0706e82SJiri Benc unsigned int rx_handlers_drop; 685f0706e82SJiri Benc unsigned int rx_handlers_queued; 686f0706e82SJiri Benc unsigned int rx_handlers_drop_nullfunc; 687f0706e82SJiri Benc unsigned int rx_handlers_drop_defrag; 688f0706e82SJiri Benc unsigned int rx_handlers_drop_short; 689f0706e82SJiri Benc unsigned int rx_handlers_drop_passive_scan; 690f0706e82SJiri Benc unsigned int tx_expand_skb_head; 691f0706e82SJiri Benc unsigned int tx_expand_skb_head_cloned; 692f0706e82SJiri Benc unsigned int rx_expand_skb_head; 693f0706e82SJiri Benc unsigned int rx_expand_skb_head2; 694f0706e82SJiri Benc unsigned int rx_handlers_fragments; 695f0706e82SJiri Benc unsigned int tx_status_drop; 696f0706e82SJiri Benc unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; 697f0706e82SJiri Benc unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; 698f0706e82SJiri Benc #define I802_DEBUG_INC(c) (c)++ 699f0706e82SJiri Benc #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ 700f0706e82SJiri Benc #define I802_DEBUG_INC(c) do { } while (0) 701f0706e82SJiri Benc #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ 702f0706e82SJiri Benc 703f0706e82SJiri Benc 704f0706e82SJiri Benc int total_ps_buffered; /* total number of all buffered unicast and 705f0706e82SJiri Benc * multicast packets for power saving stations 706f0706e82SJiri Benc */ 707f0706e82SJiri Benc int wifi_wme_noack_test; 708f0706e82SJiri Benc unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ 709f0706e82SJiri Benc 710e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUGFS 711e9f207f0SJiri Benc struct local_debugfsdentries { 712e9f207f0SJiri Benc struct dentry *frequency; 713e9f207f0SJiri Benc struct dentry *antenna_sel_tx; 714e9f207f0SJiri Benc struct dentry *antenna_sel_rx; 715e9f207f0SJiri Benc struct dentry *bridge_packets; 716e9f207f0SJiri Benc struct dentry *rts_threshold; 717e9f207f0SJiri Benc struct dentry *fragmentation_threshold; 718e9f207f0SJiri Benc struct dentry *short_retry_limit; 719e9f207f0SJiri Benc struct dentry *long_retry_limit; 720e9f207f0SJiri Benc struct dentry *total_ps_buffered; 721e9f207f0SJiri Benc struct dentry *wep_iv; 722e9f207f0SJiri Benc struct dentry *statistics; 723e9f207f0SJiri Benc struct local_debugfsdentries_statsdentries { 724e9f207f0SJiri Benc struct dentry *transmitted_fragment_count; 725e9f207f0SJiri Benc struct dentry *multicast_transmitted_frame_count; 726e9f207f0SJiri Benc struct dentry *failed_count; 727e9f207f0SJiri Benc struct dentry *retry_count; 728e9f207f0SJiri Benc struct dentry *multiple_retry_count; 729e9f207f0SJiri Benc struct dentry *frame_duplicate_count; 730e9f207f0SJiri Benc struct dentry *received_fragment_count; 731e9f207f0SJiri Benc struct dentry *multicast_received_frame_count; 732e9f207f0SJiri Benc struct dentry *transmitted_frame_count; 733e9f207f0SJiri Benc struct dentry *wep_undecryptable_count; 734e9f207f0SJiri Benc struct dentry *num_scans; 735e9f207f0SJiri Benc #ifdef CONFIG_MAC80211_DEBUG_COUNTERS 736e9f207f0SJiri Benc struct dentry *tx_handlers_drop; 737e9f207f0SJiri Benc struct dentry *tx_handlers_queued; 738e9f207f0SJiri Benc struct dentry *tx_handlers_drop_unencrypted; 739e9f207f0SJiri Benc struct dentry *tx_handlers_drop_fragment; 740e9f207f0SJiri Benc struct dentry *tx_handlers_drop_wep; 741e9f207f0SJiri Benc struct dentry *tx_handlers_drop_not_assoc; 742e9f207f0SJiri Benc struct dentry *tx_handlers_drop_unauth_port; 743e9f207f0SJiri Benc struct dentry *rx_handlers_drop; 744e9f207f0SJiri Benc struct dentry *rx_handlers_queued; 745e9f207f0SJiri Benc struct dentry *rx_handlers_drop_nullfunc; 746e9f207f0SJiri Benc struct dentry *rx_handlers_drop_defrag; 747e9f207f0SJiri Benc struct dentry *rx_handlers_drop_short; 748e9f207f0SJiri Benc struct dentry *rx_handlers_drop_passive_scan; 749e9f207f0SJiri Benc struct dentry *tx_expand_skb_head; 750e9f207f0SJiri Benc struct dentry *tx_expand_skb_head_cloned; 751e9f207f0SJiri Benc struct dentry *rx_expand_skb_head; 752e9f207f0SJiri Benc struct dentry *rx_expand_skb_head2; 753e9f207f0SJiri Benc struct dentry *rx_handlers_fragments; 754e9f207f0SJiri Benc struct dentry *tx_status_drop; 755e9f207f0SJiri Benc struct dentry *wme_tx_queue; 756e9f207f0SJiri Benc struct dentry *wme_rx_queue; 757e9f207f0SJiri Benc #endif 758e9f207f0SJiri Benc struct dentry *dot11ACKFailureCount; 759e9f207f0SJiri Benc struct dentry *dot11RTSFailureCount; 760e9f207f0SJiri Benc struct dentry *dot11FCSErrorCount; 761e9f207f0SJiri Benc struct dentry *dot11RTSSuccessCount; 762e9f207f0SJiri Benc } stats; 763e9f207f0SJiri Benc struct dentry *stations; 764e9f207f0SJiri Benc struct dentry *keys; 765e9f207f0SJiri Benc } debugfs; 766e9f207f0SJiri Benc #endif 767f0706e82SJiri Benc }; 768f0706e82SJiri Benc 769eadc8d9eSRon Rindjunsky /* this struct represents 802.11n's RA/TID combination */ 770eadc8d9eSRon Rindjunsky struct ieee80211_ra_tid { 771eadc8d9eSRon Rindjunsky u8 ra[ETH_ALEN]; 772eadc8d9eSRon Rindjunsky u16 tid; 773eadc8d9eSRon Rindjunsky }; 774eadc8d9eSRon Rindjunsky 775ee385855SLuis Carlos Cobo /* Parsed Information Elements */ 776ee385855SLuis Carlos Cobo struct ieee802_11_elems { 777ee385855SLuis Carlos Cobo /* pointers to IEs */ 778ee385855SLuis Carlos Cobo u8 *ssid; 779ee385855SLuis Carlos Cobo u8 *supp_rates; 780ee385855SLuis Carlos Cobo u8 *fh_params; 781ee385855SLuis Carlos Cobo u8 *ds_params; 782ee385855SLuis Carlos Cobo u8 *cf_params; 783ee385855SLuis Carlos Cobo u8 *tim; 784ee385855SLuis Carlos Cobo u8 *ibss_params; 785ee385855SLuis Carlos Cobo u8 *challenge; 786ee385855SLuis Carlos Cobo u8 *wpa; 787ee385855SLuis Carlos Cobo u8 *rsn; 788ee385855SLuis Carlos Cobo u8 *erp_info; 789ee385855SLuis Carlos Cobo u8 *ext_supp_rates; 790ee385855SLuis Carlos Cobo u8 *wmm_info; 791ee385855SLuis Carlos Cobo u8 *wmm_param; 792ee385855SLuis Carlos Cobo u8 *ht_cap_elem; 793ee385855SLuis Carlos Cobo u8 *ht_info_elem; 794ee385855SLuis Carlos Cobo u8 *mesh_config; 795ee385855SLuis Carlos Cobo u8 *mesh_id; 796ee385855SLuis Carlos Cobo u8 *peer_link; 797ee385855SLuis Carlos Cobo u8 *preq; 798ee385855SLuis Carlos Cobo u8 *prep; 799ee385855SLuis Carlos Cobo u8 *perr; 800ee385855SLuis Carlos Cobo 801ee385855SLuis Carlos Cobo /* length of them, respectively */ 802ee385855SLuis Carlos Cobo u8 ssid_len; 803ee385855SLuis Carlos Cobo u8 supp_rates_len; 804ee385855SLuis Carlos Cobo u8 fh_params_len; 805ee385855SLuis Carlos Cobo u8 ds_params_len; 806ee385855SLuis Carlos Cobo u8 cf_params_len; 807ee385855SLuis Carlos Cobo u8 tim_len; 808ee385855SLuis Carlos Cobo u8 ibss_params_len; 809ee385855SLuis Carlos Cobo u8 challenge_len; 810ee385855SLuis Carlos Cobo u8 wpa_len; 811ee385855SLuis Carlos Cobo u8 rsn_len; 812ee385855SLuis Carlos Cobo u8 erp_info_len; 813ee385855SLuis Carlos Cobo u8 ext_supp_rates_len; 814ee385855SLuis Carlos Cobo u8 wmm_info_len; 815ee385855SLuis Carlos Cobo u8 wmm_param_len; 816ee385855SLuis Carlos Cobo u8 ht_cap_elem_len; 817ee385855SLuis Carlos Cobo u8 ht_info_elem_len; 818ee385855SLuis Carlos Cobo u8 mesh_config_len; 819ee385855SLuis Carlos Cobo u8 mesh_id_len; 820ee385855SLuis Carlos Cobo u8 peer_link_len; 821ee385855SLuis Carlos Cobo u8 preq_len; 822ee385855SLuis Carlos Cobo u8 prep_len; 823ee385855SLuis Carlos Cobo u8 perr_len; 824ee385855SLuis Carlos Cobo }; 825ee385855SLuis Carlos Cobo 826f0706e82SJiri Benc static inline struct ieee80211_local *hw_to_local( 827f0706e82SJiri Benc struct ieee80211_hw *hw) 828f0706e82SJiri Benc { 829f0706e82SJiri Benc return container_of(hw, struct ieee80211_local, hw); 830f0706e82SJiri Benc } 831f0706e82SJiri Benc 832f0706e82SJiri Benc static inline struct ieee80211_hw *local_to_hw( 833f0706e82SJiri Benc struct ieee80211_local *local) 834f0706e82SJiri Benc { 835f0706e82SJiri Benc return &local->hw; 836f0706e82SJiri Benc } 837f0706e82SJiri Benc 838f0706e82SJiri Benc enum ieee80211_link_state_t { 839f0706e82SJiri Benc IEEE80211_LINK_STATE_XOFF = 0, 840f0706e82SJiri Benc IEEE80211_LINK_STATE_PENDING, 841f0706e82SJiri Benc }; 842f0706e82SJiri Benc 843f0706e82SJiri Benc struct sta_attribute { 844f0706e82SJiri Benc struct attribute attr; 845f0706e82SJiri Benc ssize_t (*show)(const struct sta_info *, char *buf); 846f0706e82SJiri Benc ssize_t (*store)(struct sta_info *, const char *buf, size_t count); 847f0706e82SJiri Benc }; 848f0706e82SJiri Benc 849571ecf67SJohannes Berg static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) 850571ecf67SJohannes Berg { 851571ecf67SJohannes Berg return compare_ether_addr(raddr, addr) == 0 || 852571ecf67SJohannes Berg is_broadcast_ether_addr(raddr); 853571ecf67SJohannes Berg } 854571ecf67SJohannes Berg 855571ecf67SJohannes Berg 856f0706e82SJiri Benc /* ieee80211.c */ 857f0706e82SJiri Benc int ieee80211_hw_config(struct ieee80211_local *local); 858f0706e82SJiri Benc int ieee80211_if_config(struct net_device *dev); 859f0706e82SJiri Benc int ieee80211_if_config_beacon(struct net_device *dev); 8605cf121c3SJohannes Berg void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); 861f0706e82SJiri Benc int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr); 862f0706e82SJiri Benc void ieee80211_if_setup(struct net_device *dev); 863d3c990fbSRon Rindjunsky int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, 864d3c990fbSRon Rindjunsky struct ieee80211_ht_info *req_ht_cap, 865d3c990fbSRon Rindjunsky struct ieee80211_ht_bss_info *req_bss_cap); 866f0706e82SJiri Benc 867f0706e82SJiri Benc /* ieee80211_ioctl.c */ 868f0706e82SJiri Benc extern const struct iw_handler_def ieee80211_iw_handler_def; 869f0706e82SJiri Benc 870f0706e82SJiri Benc 871f0706e82SJiri Benc /* Least common multiple of the used rates (in 100 kbps). This is used to 872f0706e82SJiri Benc * calculate rate_inv values for each rate so that only integers are needed. */ 873f0706e82SJiri Benc #define CHAN_UTIL_RATE_LCM 95040 874f0706e82SJiri Benc /* 1 usec is 1/8 * (95040/10) = 1188 */ 875f0706e82SJiri Benc #define CHAN_UTIL_PER_USEC 1188 876f0706e82SJiri Benc /* Amount of bits to shift the result right to scale the total utilization 877f0706e82SJiri Benc * to values that will not wrap around 32-bit integers. */ 878f0706e82SJiri Benc #define CHAN_UTIL_SHIFT 9 879f0706e82SJiri Benc /* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): 880f0706e82SJiri Benc * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the 881f0706e82SJiri Benc * raw value with about 23 should give utilization in 10th of a percentage 882f0706e82SJiri Benc * (1/1000). However, utilization is only estimated and not all intervals 883f0706e82SJiri Benc * between frames etc. are calculated. 18 seems to give numbers that are closer 884f0706e82SJiri Benc * to the real maximum. */ 885f0706e82SJiri Benc #define CHAN_UTIL_PER_10MS 18 886f0706e82SJiri Benc #define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) 887f0706e82SJiri Benc #define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) 888f0706e82SJiri Benc 889f0706e82SJiri Benc 890f0706e82SJiri Benc /* ieee80211_ioctl.c */ 891f0706e82SJiri Benc int ieee80211_set_compression(struct ieee80211_local *local, 892f0706e82SJiri Benc struct net_device *dev, struct sta_info *sta); 8938318d78aSJohannes Berg int ieee80211_set_freq(struct ieee80211_local *local, int freq); 894f0706e82SJiri Benc /* ieee80211_sta.c */ 895ee385855SLuis Carlos Cobo #define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) 896f0706e82SJiri Benc void ieee80211_sta_timer(unsigned long data); 897f0706e82SJiri Benc void ieee80211_sta_work(struct work_struct *work); 898f0706e82SJiri Benc void ieee80211_sta_scan_work(struct work_struct *work); 899f0706e82SJiri Benc void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, 900f0706e82SJiri Benc struct ieee80211_rx_status *rx_status); 901f0706e82SJiri Benc int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); 902f0706e82SJiri Benc int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); 903f0706e82SJiri Benc int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); 904f0706e82SJiri Benc int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); 905f0706e82SJiri Benc void ieee80211_sta_req_auth(struct net_device *dev, 906f0706e82SJiri Benc struct ieee80211_if_sta *ifsta); 907f0706e82SJiri Benc int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); 9089ae54c84SJohannes Berg ieee80211_rx_result ieee80211_sta_rx_scan( 9099ae54c84SJohannes Berg struct net_device *dev, struct sk_buff *skb, 910f0706e82SJiri Benc struct ieee80211_rx_status *rx_status); 911f0706e82SJiri Benc void ieee80211_rx_bss_list_init(struct net_device *dev); 912f0706e82SJiri Benc void ieee80211_rx_bss_list_deinit(struct net_device *dev); 913f0706e82SJiri Benc int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); 914f0706e82SJiri Benc struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, 915f0706e82SJiri Benc struct sk_buff *skb, u8 *bssid, 916f0706e82SJiri Benc u8 *addr); 917f0706e82SJiri Benc int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); 918f0706e82SJiri Benc int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); 919471b3efdSJohannes Berg void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 920471b3efdSJohannes Berg u32 changed); 921d9430a32SDaniel Drake void ieee80211_reset_erp_info(struct net_device *dev); 922c7153508SRon Rindjunsky int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, 923c7153508SRon Rindjunsky struct ieee80211_ht_info *ht_info); 924c7153508SRon Rindjunsky int ieee80211_ht_addt_info_ie_to_ht_bss_info( 925c7153508SRon Rindjunsky struct ieee80211_ht_addt_info *ht_add_info_ie, 926c7153508SRon Rindjunsky struct ieee80211_ht_bss_info *bss_info); 927eadc8d9eSRon Rindjunsky void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, 928eadc8d9eSRon Rindjunsky u16 tid, u8 dialog_token, u16 start_seq_num, 929eadc8d9eSRon Rindjunsky u16 agg_size, u16 timeout); 930eadc8d9eSRon Rindjunsky void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, 931eadc8d9eSRon Rindjunsky u16 initiator, u16 reason_code); 93207db2183SRon Rindjunsky void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, 93307db2183SRon Rindjunsky u16 tid, u16 initiator, u16 reason); 93407db2183SRon Rindjunsky void sta_rx_agg_session_timer_expired(unsigned long data); 935eadc8d9eSRon Rindjunsky void sta_addba_resp_timer_expired(unsigned long data); 936ee385855SLuis Carlos Cobo u64 ieee80211_sta_get_rates(struct ieee80211_local *local, 937ee385855SLuis Carlos Cobo struct ieee802_11_elems *elems, 938ee385855SLuis Carlos Cobo enum ieee80211_band band); 939ee385855SLuis Carlos Cobo void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, 940ee385855SLuis Carlos Cobo int encrypt); 941ee385855SLuis Carlos Cobo void ieee802_11_parse_elems(u8 *start, size_t len, 942ee385855SLuis Carlos Cobo struct ieee802_11_elems *elems); 943ee385855SLuis Carlos Cobo 944902acc78SJohannes Berg #ifdef CONFIG_MAC80211_MESH 945902acc78SJohannes Berg void ieee80211_start_mesh(struct net_device *dev); 946902acc78SJohannes Berg #else 947902acc78SJohannes Berg static inline void ieee80211_start_mesh(struct net_device *dev) 948902acc78SJohannes Berg {} 949902acc78SJohannes Berg #endif 950ee385855SLuis Carlos Cobo 951f0706e82SJiri Benc /* ieee80211_iface.c */ 952f0706e82SJiri Benc int ieee80211_if_add(struct net_device *dev, const char *name, 953ee385855SLuis Carlos Cobo struct net_device **new_dev, int type, 954ee385855SLuis Carlos Cobo struct vif_params *params); 955f0706e82SJiri Benc void ieee80211_if_set_type(struct net_device *dev, int type); 956f0706e82SJiri Benc void ieee80211_if_reinit(struct net_device *dev); 957f0706e82SJiri Benc void __ieee80211_if_del(struct ieee80211_local *local, 958f0706e82SJiri Benc struct ieee80211_sub_if_data *sdata); 959f0706e82SJiri Benc int ieee80211_if_remove(struct net_device *dev, const char *name, int id); 960f0706e82SJiri Benc void ieee80211_if_free(struct net_device *dev); 961f0706e82SJiri Benc void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); 962f0706e82SJiri Benc 963e2ebc74dSJohannes Berg /* tx handling */ 964e2ebc74dSJohannes Berg void ieee80211_clear_tx_pending(struct ieee80211_local *local); 965e2ebc74dSJohannes Berg void ieee80211_tx_pending(unsigned long data); 966e2ebc74dSJohannes Berg int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); 967e2ebc74dSJohannes Berg int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); 968e2ebc74dSJohannes Berg int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); 969e2ebc74dSJohannes Berg 970c2d1560aSJohannes Berg /* utility functions/constants */ 971c2d1560aSJohannes Berg extern void *mac80211_wiphy_privid; /* for wiphy privid */ 972c2d1560aSJohannes Berg extern const unsigned char rfc1042_header[6]; 973c2d1560aSJohannes Berg extern const unsigned char bridge_tunnel_header[6]; 97471364716SRon Rindjunsky u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, 97571364716SRon Rindjunsky enum ieee80211_if_types type); 976c2d1560aSJohannes Berg int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, 977c2d1560aSJohannes Berg int rate, int erp, int short_preamble); 978eb063c17SJohannes Berg void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, 979eb063c17SJohannes Berg struct ieee80211_hdr *hdr); 980f0706e82SJiri Benc 981f0706e82SJiri Benc #endif /* IEEE80211_I_H */ 982