mac80211: fix the RANN propagation issues
This patch is intended to solve the follwing issues in RANN propagation:
[1] The interval in propagated RANN should be based on the interval of received RANN.
[2] The aggregated path metric for propagated RANN is as received plus own link metric
towards the transmitting mesh STA (not root mesh STA).
[3] The comparison of path metric for RANN with same sequence number should be done
before deciding whether to propagate or not.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2bd5d8b..3e52439 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -86,6 +86,7 @@
* mpath itself. No need to take this lock when adding or removing
* an mpath to a hash bucket on a path table.
* @rann_snd_addr: the RANN sender address
+ * @rann_metric: the aggregated path metric towards the root node
* @is_root: the destination station of this path is a root node
* @is_gate: the destination station of this path is a mesh gate
*
@@ -112,6 +113,7 @@
enum mesh_path_flags flags;
spinlock_t state_lock;
u8 rann_snd_addr[ETH_ALEN];
+ u32 rann_metric;
bool is_root;
bool is_gate;
};