diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 40ed206b0f60a531342f4b27c62ee3ce091ade8a..29e50407507a04391ca3fc8517bcdee9ade91cd2 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -940,6 +940,46 @@ int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) return err; } +/** + * mpp_path_del - delete a mesh proxy path from the table + * + * @addr: addr address (ETH_ALEN length) + * @sdata: local subif + * + * Returns: 0 if successful + */ +static int mpp_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) +{ + struct mesh_table *tbl; + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_head *bucket; + int hash_idx; + int err = 0; + + read_lock_bh(&pathtbl_resize_lock); + tbl = resize_dereference_mpp_paths(); + hash_idx = mesh_table_hash(addr, sdata, tbl); + bucket = &tbl->hash_buckets[hash_idx]; + + spin_lock(&tbl->hashwlock[hash_idx]); + hlist_for_each_entry(node, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && + ether_addr_equal(addr, mpath->dst)) { + __mesh_path_del(tbl, node); + goto enddel; + } + } + + err = -ENXIO; +enddel: + mesh_paths_generation++; + spin_unlock(&tbl->hashwlock[hash_idx]); + read_unlock_bh(&pathtbl_resize_lock); + return err; +} + /** * mesh_path_tx_pending - sends pending frames in a mesh path queue * @@ -1154,6 +1194,17 @@ void mesh_path_expire(struct ieee80211_sub_if_data *sdata) time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE)) mesh_path_del(mpath->sdata, mpath->dst); } + + tbl = rcu_dereference(mpp_paths); + for_each_mesh_entry(tbl, node, i) { + if (node->mpath->sdata != sdata) + continue; + mpath = node->mpath; + if ((!(mpath->flags & MESH_PATH_FIXED)) && + time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE)) + mpp_path_del(mpath->sdata, mpath->dst); + } + rcu_read_unlock(); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 44192143ebdf0c3fe7b257e033931998aa671292..91279576f4a716d00cfd810e5d6db18306520c1c 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2311,6 +2311,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) spin_lock_bh(&mppath->state_lock); if (!ether_addr_equal(mppath->mpp, mpp_addr)) memcpy(mppath->mpp, mpp_addr, ETH_ALEN); + mppath->exp_time = jiffies; spin_unlock_bh(&mppath->state_lock); } rcu_read_unlock(); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index a5aa275d043455098d6caf3225b6c775dd2d5a1a..7bb67fa9f4d26ee5acf28b411b8558f4420f40c0 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2173,8 +2173,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, mpp_lookup = true; } - if (mpp_lookup) + if (mpp_lookup) { mppath = mpp_path_lookup(sdata, skb->data); + if (mppath) + mppath->exp_time = jiffies; + } if (mppath && mpath) mesh_path_del(mpath->sdata, mpath->dst);