#include <linux/spinlock.h>
#include <linux/etherdevice.h>
#include <net/wireless.h>
-#include "ieee80211_key.h"
+#include "key.h"
#include "sta_info.h"
/* ieee80211.o internal definitions, etc. These are not included into
#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. */
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;
size_t wmm_ie_len;
u8 *ht_ie;
size_t ht_ie_len;
+#ifdef CONFIG_MAC80211_MESH
+ u8 *mesh_id;
+ size_t mesh_id_len;
+ u8 *mesh_cfg;
+#endif
#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
u8 erp_value;
};
+static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_cfg;
+#endif
+ return NULL;
+}
-typedef enum {
- TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED
-} ieee80211_txrx_result;
+static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_id;
+#endif
+ return NULL;
+}
-/* flags used in struct ieee80211_txrx_data.flags */
-/* whether the MSDU was fragmented */
-#define IEEE80211_TXRXD_FRAGMENTED BIT(0)
-#define IEEE80211_TXRXD_TXUNICAST BIT(1)
-#define IEEE80211_TXRXD_TXPS_BUFFERED BIT(2)
-#define IEEE80211_TXRXD_TXPROBE_LAST_FRAG BIT(3)
-#define IEEE80211_TXRXD_RXIN_SCAN BIT(4)
-/* frame is destined to interface currently processed (incl. multicast frames) */
-#define IEEE80211_TXRXD_RXRA_MATCH BIT(5)
-#define IEEE80211_TXRXD_TX_INJECTED BIT(6)
-#define IEEE80211_TXRXD_RX_AMSDU BIT(7)
-struct ieee80211_txrx_data {
+static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_id_len;
+#endif
+ return 0;
+}
+
+
+typedef unsigned __bitwise__ ieee80211_tx_result;
+#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
+#define TX_DROP ((__force ieee80211_tx_result) 1u)
+#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
+
+#define IEEE80211_TX_FRAGMENTED BIT(0)
+#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;
struct net_device *dev;
struct ieee80211_local *local;
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
+ struct ieee80211_key *key;
+
+ struct ieee80211_tx_control *control;
+ struct ieee80211_channel *channel;
+ struct ieee80211_rate *rate;
+ /* 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;
+
+ /* Extra fragments (in addition to the first fragment
+ * in skb) */
+ struct sk_buff **extra_frag;
+ int num_extra_frag;
+
u16 fc, ethertype;
+ unsigned int flags;
+};
+
+
+typedef unsigned __bitwise__ ieee80211_rx_result;
+#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
+#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
+#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
+#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
+
+#define IEEE80211_RX_IN_SCAN BIT(0)
+/* frame is destined to interface currently processed (incl. multicast frames) */
+#define IEEE80211_RX_RA_MATCH BIT(1)
+#define IEEE80211_RX_AMSDU BIT(2)
+#define IEEE80211_RX_CMNTR_REPORTED BIT(3)
+#define IEEE80211_RX_FRAGMENTED BIT(4)
+
+struct ieee80211_rx_data {
+ struct sk_buff *skb;
+ struct net_device *dev;
+ struct ieee80211_local *local;
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
struct ieee80211_key *key;
+ struct ieee80211_rx_status *status;
+ struct ieee80211_rate *rate;
+
+ u16 fc, ethertype;
unsigned int flags;
- union {
- struct {
- struct ieee80211_tx_control *control;
- struct ieee80211_channel *channel;
- struct ieee80211_rate *rate;
- /* 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;
-
- /* Extra fragments (in addition to the first fragment
- * in skb) */
- int num_extra_frag;
- struct sk_buff **extra_frag;
- } tx;
- struct {
- struct ieee80211_rx_status *status;
- struct ieee80211_rate *rate;
- int sent_ps_buffered;
- int queue;
- int load;
- u32 tkip_iv32;
- u16 tkip_iv16;
- } rx;
- } u;
+ int sent_ps_buffered;
+ int queue;
+ int load;
+ u32 tkip_iv32;
+ u16 tkip_iv16;
};
/* flags used in struct ieee80211_tx_packet_data.flags */
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;
+ int num_extra_frag;
unsigned int last_frag_rate_ctrl_probe;
};
-typedef ieee80211_txrx_result (*ieee80211_tx_handler)
-(struct ieee80211_txrx_data *tx);
-
-typedef ieee80211_txrx_result (*ieee80211_rx_handler)
-(struct ieee80211_txrx_data *rx);
-
struct beacon_data {
u8 *head, *tail;
int head_len, tail_len;
/* yes, this looks ugly, but guarantees that we can later use
* bitmap_empty :)
- * NB: don't ever use set_bit, use bss_tim_set/bss_tim_clear! */
+ * 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 */
};
struct ieee80211_if_wds {
- u8 remote_addr[ETH_ALEN];
struct sta_info *sta;
+ u8 remote_addr[ETH_ALEN];
};
struct ieee80211_if_vlan {
struct list_head list;
};
+struct mesh_stats {
+ __u32 fwded_frames; /* Mesh forwarded frames */
+ __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
+ __u32 dropped_frames_no_route; /* Not transmitted, no route found */
+ atomic_t estab_plinks;
+};
+
+#define PREQ_Q_F_START 0x1
+#define PREQ_Q_F_REFRESH 0x2
+struct mesh_preq_queue {
+ struct list_head list;
+ u8 dst[ETH_ALEN];
+ u8 flags;
+};
+
+struct mesh_config {
+ /* Timeouts in ms */
+ /* Mesh plink management parameters */
+ u16 dot11MeshRetryTimeout;
+ u16 dot11MeshConfirmTimeout;
+ u16 dot11MeshHoldingTimeout;
+ u16 dot11MeshMaxPeerLinks;
+ u8 dot11MeshMaxRetries;
+ u8 dot11MeshTTL;
+ bool auto_open_plinks;
+ /* HWMP parameters */
+ u8 dot11MeshHWMPmaxPREQretries;
+ u32 path_refresh_time;
+ u16 min_discovery_timeout;
+ u32 dot11MeshHWMPactivePathTimeout;
+ u16 dot11MeshHWMPpreqMinInterval;
+ u16 dot11MeshHWMPnetDiameterTraversalTime;
+};
+
+
/* flags used in struct ieee80211_if_sta.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
#define IEEE80211_STA_BSSID_SET BIT(1)
#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
struct ieee80211_if_sta {
- enum {
- IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
- IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
- IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
- } state;
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;
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];
+ size_t mesh_id_len;
+ /* Active Path Selection Protocol Identifier */
+ u8 mesh_pp_id[4];
+ /* Active Path Selection Metric Identifier */
+ u8 mesh_pm_id[4];
+ /* Congestion Control Mode Identifier */
+ u8 mesh_cc_id[4];
+ /* Local mesh Destination Sequence Number */
+ u32 dsn;
+ /* Last used PREQ ID */
+ u32 preq_id;
+ atomic_t mpaths;
+ /* Timestamp of last DSN update */
+ unsigned long last_dsn_update;
+ /* Timestamp of last DSN sent */
+ unsigned long last_preq;
+ struct mesh_rmc *rmc;
+ spinlock_t mesh_preq_queue_lock;
+ struct mesh_preq_queue preq_queue;
+ int preq_queue_len;
+ struct mesh_stats mshstats;
+ struct mesh_config mshcfg;
+ u32 mesh_seqnum;
+ bool accepting_plinks;
+#endif
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
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)
u32 supp_rates_bits[IEEE80211_NUM_BANDS];
int wmm_last_param_set;
+ int num_beacons; /* number of TXed beacon frames by this STA */
};
+static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta,
+ u8 mesh_id_len, u8 *mesh_id)
+{
+#ifdef CONFIG_MAC80211_MESH
+ ifsta->mesh_id_len = mesh_id_len;
+ memcpy(ifsta->mesh_id, mesh_id, mesh_id_len);
+#endif
+}
+
+#ifdef CONFIG_MAC80211_MESH
+#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+ do { (sta)->mshstats.name++; } while (0)
+#else
+#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+ do { } while (0)
+#endif
/* flags used in struct ieee80211_sub_if_data.flags */
#define IEEE80211_SDATA_ALLMULTI BIT(0)
struct ieee80211_if_wds wds;
struct ieee80211_if_vlan vlan;
struct ieee80211_if_sta sta;
+ u32 mntr_flags;
} u;
int channel_use;
int channel_use_raw;
struct dentry *auth_alg;
struct dentry *auth_transaction;
struct dentry *flags;
+ struct dentry *num_beacons_sta;
} sta;
struct {
struct dentry *channel_use;
} monitor;
struct dentry *default_key;
} debugfs;
+
+#ifdef CONFIG_MAC80211_MESH
+ struct dentry *mesh_stats_dir;
+ struct {
+ struct dentry *fwded_frames;
+ struct dentry *dropped_frames_ttl;
+ struct dentry *dropped_frames_no_route;
+ struct dentry *estab_plinks;
+ struct timer_list mesh_path_timer;
+ } mesh_stats;
+
+ struct dentry *mesh_config_dir;
+ struct {
+ struct dentry *dot11MeshRetryTimeout;
+ struct dentry *dot11MeshConfirmTimeout;
+ struct dentry *dot11MeshHoldingTimeout;
+ struct dentry *dot11MeshMaxRetries;
+ struct dentry *dot11MeshTTL;
+ struct dentry *auto_open_plinks;
+ struct dentry *dot11MeshMaxPeerLinks;
+ struct dentry *dot11MeshHWMPactivePathTimeout;
+ struct dentry *dot11MeshHWMPpreqMinInterval;
+ struct dentry *dot11MeshHWMPnetDiameterTraversalTime;
+ struct dentry *dot11MeshHWMPmaxPREQretries;
+ struct dentry *path_refresh_time;
+ struct dentry *min_discovery_timeout;
+ } mesh_config;
+#endif
+
#endif
/* must be last, dynamically sized area in this! */
struct ieee80211_vif vif;
struct net_device *mdev; /* wmaster# - "master" 802.11 device */
int open_count;
- int monitors;
+ int monitors, cooked_mntrs;
+ /* number of interfaces with corresponding FIF_ flags */
+ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss;
unsigned int filter_flags; /* FIF_* */
struct iw_statistics wstats;
u8 wstats_flags;
+ bool tim_in_locked_section; /* see ieee80211_beacon_get() */
int tx_headroom; /* required headroom for hardware/radiotap */
enum {
struct sk_buff_head skb_queue;
struct sk_buff_head skb_queue_unreliable;
- /* Station data structures */
- rwlock_t sta_lock; /* protects STA data structures */
- int num_sta; /* number of stations in sta_list */
+ /* Station data */
+ /*
+ * 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.
+ */
+ 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;
* deliver multicast frames both back to wireless
* media and to the local net stack */
- ieee80211_rx_handler *rx_handlers;
- ieee80211_tx_handler *tx_handlers;
-
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;
u16 tid;
};
+/* Parsed Information Elements */
+struct ieee802_11_elems {
+ /* pointers to IEs */
+ u8 *ssid;
+ u8 *supp_rates;
+ u8 *fh_params;
+ u8 *ds_params;
+ u8 *cf_params;
+ u8 *tim;
+ u8 *ibss_params;
+ u8 *challenge;
+ u8 *wpa;
+ u8 *rsn;
+ u8 *erp_info;
+ u8 *ext_supp_rates;
+ u8 *wmm_info;
+ u8 *wmm_param;
+ u8 *ht_cap_elem;
+ u8 *ht_info_elem;
+ u8 *mesh_config;
+ u8 *mesh_id;
+ u8 *peer_link;
+ u8 *preq;
+ u8 *prep;
+ u8 *perr;
+
+ /* length of them, respectively */
+ u8 ssid_len;
+ u8 supp_rates_len;
+ u8 fh_params_len;
+ u8 ds_params_len;
+ u8 cf_params_len;
+ u8 tim_len;
+ u8 ibss_params_len;
+ u8 challenge_len;
+ u8 wpa_len;
+ u8 rsn_len;
+ u8 erp_info_len;
+ u8 ext_supp_rates_len;
+ u8 wmm_info_len;
+ u8 wmm_param_len;
+ u8 ht_cap_elem_len;
+ u8 ht_info_elem_len;
+ u8 mesh_config_len;
+ u8 mesh_id_len;
+ u8 peer_link_len;
+ u8 preq_len;
+ u8 prep_len;
+ u8 perr_len;
+};
+
static inline struct ieee80211_local *hw_to_local(
struct ieee80211_hw *hw)
{
ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
};
-static inline void __bss_tim_set(struct ieee80211_if_ap *bss, u16 aid)
-{
- /*
- * This format has been mandated by the IEEE specifications,
- * so this line may not be changed to use the __set_bit() format.
- */
- bss->tim[aid / 8] |= (1 << (aid % 8));
-}
-
-static inline void bss_tim_set(struct ieee80211_local *local,
- struct ieee80211_if_ap *bss, u16 aid)
-{
- read_lock_bh(&local->sta_lock);
- __bss_tim_set(bss, aid);
- read_unlock_bh(&local->sta_lock);
-}
-
-static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, u16 aid)
-{
- /*
- * This format has been mandated by the IEEE specifications,
- * so this line may not be changed to use the __clear_bit() format.
- */
- bss->tim[aid / 8] &= ~(1 << (aid % 8));
-}
-
-static inline void bss_tim_clear(struct ieee80211_local *local,
- struct ieee80211_if_ap *bss, u16 aid)
-{
- read_lock_bh(&local->sta_lock);
- __bss_tim_clear(bss, aid);
- read_unlock_bh(&local->sta_lock);
-}
-
static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
{
return compare_ether_addr(raddr, addr) == 0 ||
int ieee80211_hw_config(struct ieee80211_local *local);
int ieee80211_if_config(struct net_device *dev);
int ieee80211_if_config_beacon(struct net_device *dev);
-void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
-int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr);
+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;
/* 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);
+int ieee80211_set_freq(struct net_device *dev, int freq);
/* ieee80211_sta.c */
void ieee80211_sta_timer(unsigned long data);
void ieee80211_sta_work(struct work_struct *work);
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);
-ieee80211_txrx_result ieee80211_sta_rx_scan(struct net_device *dev,
- struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
+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);
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);
+void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
+ int encrypt);
+void ieee802_11_parse_elems(u8 *start, size_t len,
+ struct ieee802_11_elems *elems);
+
+#ifdef CONFIG_MAC80211_MESH
+void ieee80211_start_mesh(struct net_device *dev);
+#else
+static inline void ieee80211_start_mesh(struct net_device *dev)
+{}
+#endif
+
/* ieee80211_iface.c */
int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type);
+ struct net_device **new_dev, int type,
+ struct vif_params *params);
void ieee80211_if_set_type(struct net_device *dev, int type);
void ieee80211_if_reinit(struct net_device *dev);
void __ieee80211_if_del(struct ieee80211_local *local,
void ieee80211_if_free(struct net_device *dev);
void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
-/* rx handling */
-extern ieee80211_rx_handler ieee80211_rx_handlers[];
-
/* tx handling */
-extern ieee80211_tx_handler ieee80211_tx_handlers[];
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
void ieee80211_tx_pending(unsigned long data);
int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
git.openpandora.org / pandora-kernel.git / blobdiff