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| author | Javier Cardona <javier@cozybit.com> | 2011-08-09 16:45:08 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-24 13:59:42 -0400 |
| commit | 5ee68e5b39de5cefecf147c58711f8ab01c21231 (patch) | |
| tree | 59a39c4dc5a38497aa786689552136d95c690ecf /net/mac80211/mesh.h | |
| parent | 00e3f25c8556384bfec2a168c41e885fa6a7748c (diff) | |
| download | linux-5ee68e5b39de5cefecf147c58711f8ab01c21231.tar.gz linux-5ee68e5b39de5cefecf147c58711f8ab01c21231.tar.bz2 linux-5ee68e5b39de5cefecf147c58711f8ab01c21231.zip | |
mac80211: mesh gate implementation
In this implementation, a mesh gate is a root node with a certain bit
set in its RANN flags. The mpath to this root node is marked as a path
to a gate, and added to our list of known gates for this if_mesh. Once a
path discovery process fails, we forward the unresolved frames to a
known gate. Thanks to Luis Rodriguez for refactoring and bug fix help.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh.h')
| -rw-r--r-- | net/mac80211/mesh.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 3c7d0f8b376a..9d9116e1a9ac 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -81,6 +81,7 @@ enum mesh_deferred_task_flags { * @discovery_retries: number of discovery retries * @flags: mesh path flags, as specified on &enum mesh_path_flags * @state_lock: mesh path state lock + * @is_gate: the destination station of this path is a mesh gate * * * The combination of dst and sdata is unique in the mesh path table. Since the @@ -104,6 +105,7 @@ struct mesh_path { u8 discovery_retries; enum mesh_path_flags flags; spinlock_t state_lock; + bool is_gate; }; /** @@ -120,6 +122,9 @@ struct mesh_path { * buckets * @mean_chain_len: maximum average length for the hash buckets' list, if it is * reached, the table will grow + * @known_gates: list of known mesh gates and their mpaths by the station. The + * gate's mpath may or may not be resolved and active. + * * rcu_head: RCU head to free the table */ struct mesh_table { @@ -133,6 +138,8 @@ struct mesh_table { int (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl); int size_order; int mean_chain_len; + struct hlist_head *known_gates; + spinlock_t gates_lock; struct rcu_head rcu_head; }; @@ -236,6 +243,10 @@ 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); + +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(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data *sdata, |