diff options
author | Henning Rogge <hrogge@gmail.com> | 2014-09-12 08:58:50 +0200 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2014-10-09 11:19:07 +0200 |
commit | a2db2ed3fb7d35ff2405d08fc012a5db8ddb36e0 (patch) | |
tree | 34e459b20358a165edb5798787966f0d978f169d /net/mac80211/mesh_pathtbl.c | |
parent | 66be7d2bcd826344894be09dc385f9f805136b84 (diff) | |
download | op-kernel-dev-a2db2ed3fb7d35ff2405d08fc012a5db8ddb36e0.zip op-kernel-dev-a2db2ed3fb7d35ff2405d08fc012a5db8ddb36e0.tar.gz |
mac80211: implement cfg80211_ops to query mesh proxy path table
Implement get_mpp and dump_mpp cfg80211_ops to export the content of the
802.11s mesh proxy path table to userspace.
Signed-off-by: Henning Rogge <henning.rogge@fkie.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r-- | net/mac80211/mesh_pathtbl.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index a6699dc..b890e22 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -44,6 +44,7 @@ static struct mesh_table __rcu *mesh_paths; static struct mesh_table __rcu *mpp_paths; /* Store paths for MPP&MAP */ int mesh_paths_generation; +int mpp_paths_generation; /* This lock will have the grow table function as writer and add / delete nodes * as readers. RCU provides sufficient protection only when reading the table @@ -410,6 +411,33 @@ mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx) } /** + * mpp_path_lookup_by_idx - look up a path in the proxy path table by its index + * @idx: index + * @sdata: local subif, or NULL for all entries + * + * Returns: pointer to the proxy path structure, or NULL if not found. + * + * Locking: must be called within a read rcu section. + */ +struct mesh_path * +mpp_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx) +{ + struct mesh_table *tbl = rcu_dereference(mpp_paths); + struct mpath_node *node; + int i; + int j = 0; + + for_each_mesh_entry(tbl, node, i) { + if (sdata && node->mpath->sdata != sdata) + continue; + if (j++ == idx) + return node->mpath; + } + + return NULL; +} + +/** * mesh_path_add_gate - add the given mpath to a mesh gate to our path table * @mpath: gate path to add to table */ @@ -691,6 +719,9 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata, spin_unlock(&tbl->hashwlock[hash_idx]); read_unlock_bh(&pathtbl_resize_lock); + + mpp_paths_generation++; + if (grow) { set_bit(MESH_WORK_GROW_MPP_TABLE, &ifmsh->wrkq_flags); ieee80211_queue_work(&local->hw, &sdata->work); |