X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fieee80211_i.h;h=80a9e7c07b47e99c7230692461befabb6df83e18;hb=ccc580571cf0799d0460a085a7632b77753f083e;hp=7f10ff5d4a0b346700fdd04116009f1262863432;hpb=44213b5e13c907bf4aa2e73941944f90184c8772;p=linux-2.6 diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 7f10ff5d4a..80a9e7c07b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2,6 +2,7 @@ * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc + * Copyright 2007-2008 Johannes Berg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -23,7 +24,8 @@ #include #include #include -#include "ieee80211_key.h" +#include +#include "key.h" #include "sta_info.h" /* ieee80211.o internal definitions, etc. These are not included into @@ -35,9 +37,9 @@ #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) -struct ieee80211_local; +#define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype) -#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3) +struct ieee80211_local; /* Maximum number of broadcast/multicast frames to buffer when some of the * associated stations are using power saving. */ @@ -73,15 +75,16 @@ struct ieee80211_fragment_entry { struct ieee80211_sta_bss { struct list_head list; struct ieee80211_sta_bss *hnext; + size_t ssid_len; + atomic_t users; u8 bssid[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; - size_t ssid_len; u16 capability; /* host byte order */ enum ieee80211_band band; int freq; - int rssi, signal, noise; + int signal, noise, qual; u8 *wpa_ie; size_t wpa_ie_len; u8 *rsn_ie; @@ -90,6 +93,8 @@ struct ieee80211_sta_bss { size_t wmm_ie_len; u8 *ht_ie; size_t ht_ie_len; + u8 *ht_add_ie; + size_t ht_add_ie_len; #ifdef CONFIG_MAC80211_MESH u8 *mesh_id; size_t mesh_id_len; @@ -98,10 +103,10 @@ struct ieee80211_sta_bss { #define IEEE80211_MAX_SUPP_RATES 32 u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; size_t supp_rates_len; - int beacon_int; u64 timestamp; + int beacon_int; - int probe_resp; + bool probe_resp; unsigned long last_update; /* during assocation, we save an ERP value from a probe response so @@ -146,7 +151,6 @@ typedef unsigned __bitwise__ ieee80211_tx_result; #define IEEE80211_TX_UNICAST BIT(1) #define IEEE80211_TX_PS_BUFFERED BIT(2) #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) -#define IEEE80211_TX_INJECTED BIT(4) struct ieee80211_tx_data { struct sk_buff *skb; @@ -154,22 +158,22 @@ struct ieee80211_tx_data { struct ieee80211_local *local; struct ieee80211_sub_if_data *sdata; struct sta_info *sta; - u16 fc, ethertype; struct ieee80211_key *key; - unsigned int flags; - struct ieee80211_tx_control *control; struct ieee80211_channel *channel; - struct ieee80211_rate *rate; + s8 rate_idx; /* use this rate (if set) for last fragment; rate can * be set to lower rate for the first fragments, e.g., * when using CTS protection with IEEE 802.11g. */ - struct ieee80211_rate *last_frag_rate; + s8 last_frag_rate_idx; /* Extra fragments (in addition to the first fragment * in skb) */ - int num_extra_frag; struct sk_buff **extra_frag; + int num_extra_frag; + + u16 fc, ethertype; + unsigned int flags; }; @@ -192,40 +196,24 @@ struct ieee80211_rx_data { struct ieee80211_local *local; struct ieee80211_sub_if_data *sdata; struct sta_info *sta; - u16 fc, ethertype; struct ieee80211_key *key; - unsigned int flags; - struct ieee80211_rx_status *status; struct ieee80211_rate *rate; + + u16 fc, ethertype; + unsigned int flags; int sent_ps_buffered; int queue; - int load; u32 tkip_iv32; u16 tkip_iv16; }; -/* flags used in struct ieee80211_tx_packet_data.flags */ -#define IEEE80211_TXPD_REQ_TX_STATUS BIT(0) -#define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1) -#define IEEE80211_TXPD_REQUEUE BIT(2) -#define IEEE80211_TXPD_EAPOL_FRAME BIT(3) -#define IEEE80211_TXPD_AMPDU BIT(4) -/* Stored in sk_buff->cb */ -struct ieee80211_tx_packet_data { - int ifindex; - unsigned long jiffies; - unsigned int flags; - u8 queue; -}; - struct ieee80211_tx_stored_packet { - struct ieee80211_tx_control control; struct sk_buff *skb; - int num_extra_frag; struct sk_buff **extra_frag; - struct ieee80211_rate *last_frag_rate; - unsigned int last_frag_rate_ctrl_probe; + s8 last_frag_rate_idx; + int num_extra_frag; + bool last_frag_rate_ctrl_probe; }; struct beacon_data { @@ -246,8 +234,8 @@ struct ieee80211_if_ap { * bitmap_empty :) * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; - atomic_t num_sta_ps; /* number of stations in PS mode */ struct sk_buff_head ps_bc_buf; + atomic_t num_sta_ps; /* number of stations in PS mode */ int dtim_count; int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ int max_ratectrl_rateidx; /* max TX rateidx for rate control */ @@ -255,8 +243,8 @@ struct ieee80211_if_ap { }; struct ieee80211_if_wds { - u8 remote_addr[ETH_ALEN]; struct sta_info *sta; + u8 remote_addr[ETH_ALEN]; }; struct ieee80211_if_vlan { @@ -290,12 +278,12 @@ struct mesh_config { u8 dot11MeshTTL; bool auto_open_plinks; /* HWMP parameters */ - u32 dot11MeshHWMPactivePathTimeout; - u16 dot11MeshHWMPpreqMinInterval; - u16 dot11MeshHWMPnetDiameterTraversalTime; u8 dot11MeshHWMPmaxPREQretries; u32 path_refresh_time; u16 min_discovery_timeout; + u32 dot11MeshHWMPactivePathTimeout; + u16 dot11MeshHWMPpreqMinInterval; + u16 dot11MeshHWMPnetDiameterTraversalTime; }; @@ -314,23 +302,22 @@ struct mesh_config { #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) struct ieee80211_if_sta { + struct timer_list timer; + struct work_struct work; + u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; + u8 ssid[IEEE80211_MAX_SSID_LEN]; enum { IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, IEEE80211_MESH_UP } state; - struct timer_list timer; - struct work_struct work; - u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; - u8 ssid[IEEE80211_MAX_SSID_LEN]; size_t ssid_len; u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; size_t scan_ssid_len; #ifdef CONFIG_MAC80211_MESH struct timer_list mesh_path_timer; u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; - bool accepting_plinks; size_t mesh_id_len; /* Active Path Selection Protocol Identifier */ u8 mesh_pp_id[4]; @@ -353,7 +340,8 @@ struct ieee80211_if_sta { int preq_queue_len; struct mesh_stats mshstats; struct mesh_config mshcfg; - u8 mesh_seqnum[3]; + u32 mesh_seqnum; + bool accepting_plinks; #endif u16 aid; u16 ap_capab, capab; @@ -364,16 +352,18 @@ struct ieee80211_if_sta { u8 *assocreq_ies, *assocresp_ies; size_t assocreq_ies_len, assocresp_ies_len; + struct sk_buff_head skb_queue; + int auth_tries, assoc_tries; + unsigned long request; + + unsigned long last_probe; + unsigned int flags; #define IEEE80211_STA_REQ_SCAN 0 #define IEEE80211_STA_REQ_AUTH 1 #define IEEE80211_STA_REQ_RUN 2 - unsigned long request; - struct sk_buff_head skb_queue; - - unsigned long last_probe; #define IEEE80211_AUTH_ALG_OPEN BIT(0) #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) @@ -460,14 +450,11 @@ struct ieee80211_sub_if_data { struct ieee80211_if_sta sta; u32 mntr_flags; } u; - int channel_use; - int channel_use_raw; #ifdef CONFIG_MAC80211_DEBUGFS struct dentry *debugfsdir; union { struct { - struct dentry *channel_use; struct dentry *drop_unencrypted; struct dentry *state; struct dentry *bssid; @@ -486,7 +473,6 @@ struct ieee80211_sub_if_data { struct dentry *num_beacons_sta; } sta; struct { - struct dentry *channel_use; struct dentry *drop_unencrypted; struct dentry *num_sta_ps; struct dentry *dtim_count; @@ -496,12 +482,10 @@ struct ieee80211_sub_if_data { struct dentry *num_buffered_multicast; } ap; struct { - struct dentry *channel_use; struct dentry *drop_unencrypted; struct dentry *peer; } wds; struct { - struct dentry *channel_use; struct dentry *drop_unencrypted; } vlan; struct { @@ -596,17 +580,18 @@ struct ieee80211_local { /* * The lock only protects the list, hash, timer and counter * against manipulation, reads are done in RCU. Additionally, - * the lock protects each BSS's TIM bitmap and a few items - * in a STA info structure. + * the lock protects each BSS's TIM bitmap. */ spinlock_t sta_lock; unsigned long num_sta; struct list_head sta_list; + struct list_head sta_flush_list; + struct work_struct sta_flush_work; struct sta_info *sta_hash[STA_HASH_SIZE]; struct timer_list sta_cleanup; - unsigned long state[NUM_TX_DATA_QUEUES_AMPDU]; - struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES_AMPDU]; + unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; + struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; struct tasklet_struct tx_pending_tasklet; /* number of interfaces with corresponding IFF_ flags */ @@ -629,6 +614,13 @@ struct ieee80211_local { struct list_head interfaces; + /* + * Key lock, protects sdata's key_list and sta_info's + * key pointers (write access, they're RCU.) + */ + spinlock_t key_lock; + + bool sta_sw_scanning; bool sta_hw_scanning; int scan_channel_idx; @@ -665,9 +657,6 @@ struct ieee80211_local { assoc_led_name[32], radio_led_name[32]; #endif - u32 channel_use; - u32 channel_use_raw; - #ifdef CONFIG_MAC80211_DEBUGFS struct work_struct sta_debugfs_add; #endif @@ -693,8 +682,6 @@ struct ieee80211_local { unsigned int rx_expand_skb_head2; unsigned int rx_handlers_fragments; unsigned int tx_status_drop; - unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; - unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; #define I802_DEBUG_INC(c) (c)++ #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ #define I802_DEBUG_INC(c) do { } while (0) @@ -752,8 +739,6 @@ struct ieee80211_local { struct dentry *rx_expand_skb_head2; struct dentry *rx_handlers_fragments; struct dentry *tx_status_drop; - struct dentry *wme_tx_queue; - struct dentry *wme_rx_queue; #endif struct dentry *dot11ACKFailureCount; struct dentry *dot11RTSFailureCount; @@ -766,6 +751,15 @@ struct ieee80211_local { #endif }; +static inline int ieee80211_is_multiqueue(struct ieee80211_local *local) +{ +#ifdef CONFIG_MAC80211_QOS + return netif_is_multiqueue(local->mdev); +#else + return 0; +#endif +} + /* this struct represents 802.11n's RA/TID combination */ struct ieee80211_ra_tid { u8 ra[ETH_ALEN]; @@ -835,11 +829,6 @@ static inline struct ieee80211_hw *local_to_hw( return &local->hw; } -enum ieee80211_link_state_t { - IEEE80211_LINK_STATE_XOFF = 0, - IEEE80211_LINK_STATE_PENDING, -}; - struct sta_attribute { struct attribute attr; ssize_t (*show)(const struct sta_info *, char *buf); @@ -859,39 +848,15 @@ int ieee80211_if_config(struct net_device *dev); int ieee80211_if_config_beacon(struct net_device *dev); void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); void ieee80211_if_setup(struct net_device *dev); -int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, - struct ieee80211_ht_info *req_ht_cap, - struct ieee80211_ht_bss_info *req_bss_cap); +u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, + struct ieee80211_ht_info *req_ht_cap, + struct ieee80211_ht_bss_info *req_bss_cap); /* ieee80211_ioctl.c */ extern const struct iw_handler_def ieee80211_iw_handler_def; +int ieee80211_set_freq(struct net_device *dev, int freq); - -/* Least common multiple of the used rates (in 100 kbps). This is used to - * calculate rate_inv values for each rate so that only integers are needed. */ -#define CHAN_UTIL_RATE_LCM 95040 -/* 1 usec is 1/8 * (95040/10) = 1188 */ -#define CHAN_UTIL_PER_USEC 1188 -/* Amount of bits to shift the result right to scale the total utilization - * to values that will not wrap around 32-bit integers. */ -#define CHAN_UTIL_SHIFT 9 -/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): - * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the - * raw value with about 23 should give utilization in 10th of a percentage - * (1/1000). However, utilization is only estimated and not all intervals - * between frames etc. are calculated. 18 seems to give numbers that are closer - * to the real maximum. */ -#define CHAN_UTIL_PER_10MS 18 -#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) -#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) - - -/* ieee80211_ioctl.c */ -int ieee80211_set_compression(struct ieee80211_local *local, - struct net_device *dev, struct sta_info *sta); -int ieee80211_set_freq(struct ieee80211_local *local, int freq); /* ieee80211_sta.c */ -#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) void ieee80211_sta_timer(unsigned long data); void ieee80211_sta_work(struct work_struct *work); void ieee80211_sta_scan_work(struct work_struct *work); @@ -903,16 +868,18 @@ int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); void ieee80211_sta_req_auth(struct net_device *dev, struct ieee80211_if_sta *ifsta); -int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); +int ieee80211_sta_scan_results(struct net_device *dev, + struct iw_request_info *info, + char *buf, size_t len); ieee80211_rx_result ieee80211_sta_rx_scan( struct net_device *dev, struct sk_buff *skb, struct ieee80211_rx_status *rx_status); void ieee80211_rx_bss_list_init(struct net_device *dev); void ieee80211_rx_bss_list_deinit(struct net_device *dev); int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); -struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, - struct sk_buff *skb, u8 *bssid, - u8 *addr); +struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev, + struct sk_buff *skb, u8 *bssid, + u8 *addr, u64 supp_rates); int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, @@ -928,10 +895,11 @@ void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, u16 agg_size, u16 timeout); void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, u16 initiator, u16 reason_code); + void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, u16 tid, u16 initiator, u16 reason); -void sta_rx_agg_session_timer_expired(unsigned long data); void sta_addba_resp_timer_expired(unsigned long data); +void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr); u64 ieee80211_sta_get_rates(struct ieee80211_local *local, struct ieee802_11_elems *elems, enum ieee80211_band band);