diff options
Diffstat (limited to 'net/mac80211/mesh.h')
| -rw-r--r-- | net/mac80211/mesh.h | 143 |
1 files changed, 86 insertions, 57 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 84c28c6101c..336c88a1668 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -26,12 +26,12 @@ * @MESH_PATH_ACTIVE: the mesh path can be used for forwarding * @MESH_PATH_RESOLVING: the discovery process is running for this mesh path * @MESH_PATH_SN_VALID: the mesh path contains a valid destination sequence - * number + * number * @MESH_PATH_FIXED: the mesh path has been manually set and should not be - * modified + * modified * @MESH_PATH_RESOLVED: the mesh path can has been resolved * @MESH_PATH_REQ_QUEUED: there is an unsent path request for this destination - * already queued up, waiting for the discovery process to start. + * already queued up, waiting for the discovery process to start. * * MESH_PATH_RESOLVED is used by the mesh path timer to * decide when to stop or cancel the mesh path discovery. @@ -73,16 +73,16 @@ enum mesh_deferred_task_flags { * @dst: mesh path destination mac address * @sdata: mesh subif * @next_hop: mesh neighbor to which frames for this destination will be - * forwarded + * forwarded * @timer: mesh path discovery timer * @frame_queue: pending queue for frames sent to this destination while the - * path is unresolved + * path is unresolved * @sn: target sequence number * @metric: current metric to this destination * @hop_count: hops to destination * @exp_time: in jiffies, when the path will expire or when it expired * @discovery_timeout: timeout (lapse in jiffies) used for the last discovery - * retry + * retry * @discovery_retries: number of discovery retries * @flags: mesh path flags, as specified on &enum mesh_path_flags * @state_lock: mesh path state lock used to protect changes to the @@ -191,8 +191,6 @@ struct mesh_rmc { #define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ) #define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ) -#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */ - #define MESH_PATH_EXPIRE (600 * HZ) /* Default maximum number of plinks per interface */ @@ -208,95 +206,113 @@ struct mesh_rmc { /* Various */ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, const u8 *da, const u8 *sa); -int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata, char *addr4or5, - char *addr6); -int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, - struct ieee80211_sub_if_data *sdata); +int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata, + struct ieee80211s_hdr *meshhdr, + const char *addr4or5, const char *addr6); +int mesh_rmc_check(struct ieee80211_sub_if_data *sdata, + const u8 *addr, struct ieee80211s_hdr *mesh_hdr); bool mesh_matches_local(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *ie); void mesh_ids_set_default(struct ieee80211_if_mesh *mesh); -void mesh_mgmt_ies_add(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_meshconf_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_meshid_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_rsn_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_vendor_ies(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ds_params_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ht_cap_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_add_ht_oper_ie(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +void mesh_mgmt_ies_add(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); void ieee80211s_update_metric(struct ieee80211_local *local, - struct sta_info *sta, struct sk_buff *skb); -void ieee80211s_stop(void); + struct sta_info *sta, struct sk_buff *skb); void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); -void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); +int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata); void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh); const struct ieee80211_mesh_sync_ops *ieee80211_mesh_sync_ops_get(u8 method); +/* wrapper for ieee80211_bss_info_change_notify() */ +void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata, + u32 changed); + +/* mesh power save */ +u32 ieee80211_mps_local_status_update(struct ieee80211_sub_if_data *sdata); +u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta, + enum nl80211_mesh_power_mode pm); +void ieee80211_mps_set_frame_flags(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee80211_hdr *hdr); +void ieee80211_mps_sta_status_update(struct sta_info *sta); +void ieee80211_mps_rx_h_sta_process(struct sta_info *sta, + struct ieee80211_hdr *hdr); +void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta, + bool tx, bool acked); +void ieee80211_mps_frame_release(struct sta_info *sta, + struct ieee802_11_elems *elems); /* Mesh paths */ -int mesh_nexthop_lookup(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); -int mesh_nexthop_resolve(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); +int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata); -struct mesh_path *mesh_path_lookup(u8 *dst, - struct ieee80211_sub_if_data *sdata); -struct mesh_path *mpp_path_lookup(u8 *dst, - struct ieee80211_sub_if_data *sdata); -int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata); -struct mesh_path *mesh_path_lookup_by_idx(int idx, - struct ieee80211_sub_if_data *sdata); +struct mesh_path *mesh_path_lookup(struct ieee80211_sub_if_data *sdata, + const u8 *dst); +struct mesh_path *mpp_path_lookup(struct ieee80211_sub_if_data *sdata, + const u8 *dst); +int mpp_path_add(struct ieee80211_sub_if_data *sdata, + const u8 *dst, const u8 *mpp); +struct mesh_path * +mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx); void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); void mesh_path_expire(struct ieee80211_sub_if_data *sdata); void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, size_t len); -int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata); + struct ieee80211_mgmt *mgmt, size_t len); +int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst); int mesh_path_add_gate(struct mesh_path *mpath); int mesh_path_send_to_gates(struct mesh_path *mpath); int mesh_gate_num(struct ieee80211_sub_if_data *sdata); + /* Mesh plinks */ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, - u8 *hw_addr, - struct ieee802_11_elems *ie); + u8 *hw_addr, struct ieee802_11_elems *ie); bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie); u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata); void mesh_plink_broken(struct sta_info *sta); -void mesh_plink_deactivate(struct sta_info *sta); -int mesh_plink_open(struct sta_info *sta); -void mesh_plink_block(struct sta_info *sta); +u32 mesh_plink_deactivate(struct sta_info *sta); +u32 mesh_plink_open(struct sta_info *sta); +u32 mesh_plink_block(struct sta_info *sta); void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, size_t len, struct ieee80211_rx_status *rx_status); +void mesh_sta_cleanup(struct sta_info *sta); /* Private interfaces */ /* Mesh tables */ void mesh_mpath_table_grow(void); void mesh_mpp_table_grow(void); /* Mesh paths */ -int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, __le16 target_rcode, - const u8 *ra, struct ieee80211_sub_if_data *sdata); +int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata, + u8 ttl, const u8 *target, __le32 target_sn, + __le16 target_rcode, const u8 *ra); void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta); void mesh_path_flush_pending(struct mesh_path *mpath); void mesh_path_tx_pending(struct mesh_path *mpath); int mesh_pathtbl_init(void); void mesh_pathtbl_unregister(void); -int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata); +int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr); void mesh_path_timer(unsigned long data); void mesh_path_flush_by_nexthop(struct sta_info *sta); -void mesh_path_discard_frame(struct sk_buff *skb, - struct ieee80211_sub_if_data *sdata); +void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata); void mesh_path_restart(struct ieee80211_sub_if_data *sdata); void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata); @@ -305,7 +321,19 @@ bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt); extern int mesh_paths_generation; #ifdef CONFIG_MAC80211_MESH -extern int mesh_allocated; +static inline +u32 mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata) +{ + atomic_inc(&sdata->u.mesh.estab_plinks); + return mesh_accept_plinks_update(sdata); +} + +static inline +u32 mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata) +{ + atomic_dec(&sdata->u.mesh.estab_plinks); + return mesh_accept_plinks_update(sdata); +} static inline int mesh_plink_free_count(struct ieee80211_sub_if_data *sdata) { @@ -337,8 +365,8 @@ void mesh_plink_quiesce(struct sta_info *sta); void mesh_plink_restart(struct sta_info *sta); void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata); void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata); +void ieee80211s_stop(void); #else -#define mesh_allocated 0 static inline void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {} static inline void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata) @@ -351,6 +379,7 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata) { return false; } static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata) {} +static inline void ieee80211s_stop(void) {} #endif #endif /* IEEE80211S_H */ |