X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fmac80211%2Fmesh.h;h=dd1c19319f0a8c3073e4e01f147e58620e8b3c8c;hb=864f0f61f829bac5f150a903aad9619322a25424;hp=9ee3affab346a548bc4f046afac9c7fc07134b11;hpb=f375d5588ff62caf31b4a68ac9347c153ac56590;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 9ee3aff..dd1c193 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -24,15 +24,15 @@ * * * - * @MESH_PATH_ACTIVE: the mesh path is can be used for forwarding - * @MESH_PATH_RESOLVED: the discovery process is running for this mesh path + * @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_DSN_VALID: the mesh path contains a valid destination sequence * number * @MESH_PATH_FIXED: the mesh path has been manually set and should not be * modified * @MESH_PATH_RESOLVED: the mesh path can has been resolved * - * MESH_PATH_RESOLVED and MESH_PATH_DELETE are used by the mesh path timer to + * MESH_PATH_RESOLVED is used by the mesh path timer to * decide when to stop or cancel the mesh path discovery. */ enum mesh_path_flags { @@ -44,10 +44,27 @@ enum mesh_path_flags { }; /** + * enum mesh_deferred_task_flags - mac80211 mesh deferred tasks + * + * + * + * @MESH_WORK_HOUSEKEEPING: run the periodic mesh housekeeping tasks + * @MESH_WORK_GROW_MPATH_TABLE: the mesh path table is full and needs + * to grow. + * @MESH_WORK_GROW_MPP_TABLE: the mesh portals table is full and needs to + * grow + */ +enum mesh_deferred_task_flags { + MESH_WORK_HOUSEKEEPING, + MESH_WORK_GROW_MPATH_TABLE, + MESH_WORK_GROW_MPP_TABLE, +}; + +/** * struct mesh_path - mac80211 mesh path structure * * @dst: mesh path destination mac address - * @dev: mesh path device + * @sdata: mesh subif * @next_hop: mesh neighbor to which frames for this destination will be * forwarded * @timer: mesh path discovery timer @@ -61,17 +78,18 @@ enum mesh_path_flags { * retry * @discovery_retries: number of discovery retries * @flags: mesh path flags, as specified on &enum mesh_path_flags - * @state_lock: mesh pat state lock + * @state_lock: mesh path state lock * * - * The combination of dst and dev is unique in the mesh path table. Since the + * The combination of dst and sdata is unique in the mesh path table. Since the * next_hop STA is only protected by RCU as well, deleting the STA must also * remove/substitute the mesh_path structure and wait until that is no longer * reachable before destroying the STA completely. */ struct mesh_path { u8 dst[ETH_ALEN]; - struct net_device *dev; + u8 mpp[ETH_ALEN]; /* used for MPP or MAP */ + struct ieee80211_sub_if_data *sdata; struct sta_info *next_hop; struct timer_list timer; struct sk_buff_head frame_queue; @@ -109,7 +127,7 @@ struct mesh_table { __u32 hash_rnd; /* Used for hash generation */ atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */ void (*free_node) (struct hlist_node *p, bool free_leafs); - void (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl); + int (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl); int size_order; int mean_chain_len; }; @@ -140,13 +158,10 @@ struct rmc_entry { struct mesh_rmc { struct rmc_entry bucket[RMC_BUCKETS]; - u8 idx_mask; + u32 idx_mask; }; -/* Mesh IEs constants */ -#define MESH_CFG_LEN 19 - /* * MESH_CFG_COMP_LEN Includes: * - Active path selection protocol ID. @@ -156,7 +171,7 @@ struct mesh_rmc { * Does not include mesh capabilities, which may vary across nodes in the same * mesh */ -#define MESH_CFG_CMP_LEN 17 +#define MESH_CFG_CMP_LEN (IEEE80211_MESH_CONFIG_LEN - 2) /* Default values, timeouts in ms */ #define MESH_TTL 5 @@ -176,6 +191,7 @@ struct mesh_rmc { */ #define MESH_PATH_REFRESH_TIME 1000 #define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME) +#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */ #define MESH_MAX_PREQ_RETRIES 4 #define MESH_PATH_EXPIRE (600 * HZ) @@ -193,78 +209,95 @@ struct mesh_rmc { #define PLINK_CATEGORY 30 #define MESH_PATH_SEL_CATEGORY 32 -/* Mesh Header Flags */ -#define IEEE80211S_FLAGS_AE 0x3 - /* Public interfaces */ /* Various */ -u8 mesh_id_hash(u8 *mesh_id, int mesh_id_len); -int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr); +int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, + char *da, char *sa); int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, - struct ieee80211_sub_if_data *sdata); + struct ieee80211_sub_if_data *sdata, char *addr4, + char *addr5, char *addr6); int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, - struct net_device *dev); -bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev); -void mesh_ids_set_default(struct ieee80211_if_sta *sta); -void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev); -void mesh_rmc_free(struct net_device *dev); -int mesh_rmc_init(struct net_device *dev); + struct ieee80211_sub_if_data *sdata); +bool mesh_matches_local(struct ieee802_11_elems *ie, + struct ieee80211_sub_if_data *sdata); +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); +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 *stainfo, struct sk_buff *skb); void ieee80211s_stop(void); void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); +ieee80211_rx_result +ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); +void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata); /* Mesh paths */ -int mesh_nexthop_lookup(u8 *next_hop, struct sk_buff *skb, - struct net_device *dev); -void mesh_path_start_discovery(struct net_device *dev); -struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev); -struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev); +int mesh_nexthop_lookup(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); +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); void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); -void mesh_path_expire(struct net_device *dev); -void mesh_path_flush(struct net_device *dev); -void mesh_rx_path_sel_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, - size_t len); -int mesh_path_add(u8 *dst, struct net_device *dev); +void mesh_path_expire(struct ieee80211_sub_if_data *sdata); +void mesh_path_flush(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); /* Mesh plinks */ -void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev, - bool add); -bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie, - struct net_device *dev); +void mesh_neighbour_update(u8 *hw_addr, u32 rates, + struct ieee80211_sub_if_data *sdata, bool add); +bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie); void 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); -int mesh_plink_close(struct sta_info *sta); void mesh_plink_block(struct sta_info *sta); -void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, - size_t len, struct ieee80211_rx_status *rx_status); +void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, + struct ieee80211_mgmt *mgmt, size_t len, + struct ieee80211_rx_status *rx_status); /* Private interfaces */ /* Mesh tables */ struct mesh_table *mesh_table_alloc(int size_order); void mesh_table_free(struct mesh_table *tbl, bool free_leafs); -struct mesh_table *mesh_table_grow(struct mesh_table *tbl); -u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl); +void mesh_mpath_table_grow(void); +void mesh_mpp_table_grow(void); +u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, + struct mesh_table *tbl); /* Mesh paths */ int mesh_path_error_tx(u8 *dest, __le32 dest_dsn, u8 *ra, - struct net_device *dev); + struct ieee80211_sub_if_data *sdata); 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 net_device *dev); +int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata); 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 net_device *dev); +void mesh_path_discard_frame(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); +void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata); +void mesh_path_restart(struct ieee80211_sub_if_data *sdata); + +extern int mesh_paths_generation; #ifdef CONFIG_MAC80211_MESH extern int mesh_allocated; static inline int mesh_plink_free_count(struct ieee80211_sub_if_data *sdata) { - return sdata->u.sta.mshcfg.dot11MeshMaxPeerLinks - - atomic_read(&sdata->u.sta.mshstats.estab_plinks); + return sdata->u.mesh.mshcfg.dot11MeshMaxPeerLinks - + atomic_read(&sdata->u.mesh.mshstats.estab_plinks); } static inline bool mesh_plink_availables(struct ieee80211_sub_if_data *sdata) @@ -282,10 +315,22 @@ static inline void mesh_path_activate(struct mesh_path *mpath) for (i = 0; i <= x->hash_mask; i++) \ hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list) +void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local); + +void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata); +void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata); +void mesh_plink_quiesce(struct sta_info *sta); +void mesh_plink_restart(struct sta_info *sta); #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) +{} +static inline void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata) +{} +static inline void mesh_plink_quiesce(struct sta_info *sta) {} +static inline void mesh_plink_restart(struct sta_info *sta) {} #endif -#define MESH_PREQ(skb) (skb->cb + 30) - #endif /* IEEE80211S_H */