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Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r--net/mac80211/mesh_hwmp.c47
1 files changed, 34 insertions, 13 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index f49ef288e2e..e12a786e26b 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -201,6 +201,24 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
return 0;
}
+void ieee80211s_update_metric(struct ieee80211_local *local,
+ struct sta_info *stainfo, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ int failed;
+
+ if (!ieee80211_is_data(hdr->frame_control))
+ return;
+
+ failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);
+
+ /* moving average, scaled to 100 */
+ stainfo->fail_avg = ((80 * stainfo->fail_avg + 5) / 100 + 20 * failed);
+ if (stainfo->fail_avg > 95)
+ mesh_plink_broken(stainfo);
+}
+
static u32 airtime_link_metric_get(struct ieee80211_local *local,
struct sta_info *sta)
{
@@ -397,7 +415,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
- u8 *preq_elem, u32 metric) {
+ u8 *preq_elem, u32 metric)
+{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct mesh_path *mpath;
u8 *dst_addr, *orig_addr;
@@ -430,7 +449,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
DSN_LT(mpath->dsn, dst_dsn)) {
mpath->dsn = dst_dsn;
- mpath->flags &= MESH_PATH_DSN_VALID;
+ mpath->flags |= MESH_PATH_DSN_VALID;
} else if ((!(dst_flags & MP_F_DO)) &&
(mpath->flags & MESH_PATH_ACTIVE)) {
reply = true;
@@ -478,6 +497,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
hopcount, ttl, cpu_to_le32(lifetime),
cpu_to_le32(metric), cpu_to_le32(preq_id),
sdata);
+ ifmsh->mshstats.fwded_mcast++;
ifmsh->mshstats.fwded_frames++;
}
}
@@ -536,6 +556,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
cpu_to_le32(lifetime), cpu_to_le32(metric),
0, sdata);
rcu_read_unlock();
+
+ sdata->u.mesh.mshstats.fwded_unicast++;
sdata->u.mesh.mshstats.fwded_frames++;
return;
@@ -660,14 +682,14 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
spin_unlock(&ifmsh->mesh_preq_queue_lock);
if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata)))
- queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmsh->work);
else if (time_before(jiffies, ifmsh->last_preq)) {
/* avoid long wait if did not send preqs for a long time
* and jiffies wrapped around
*/
ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;
- queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmsh->work);
} else
mod_timer(&ifmsh->mesh_path_timer, ifmsh->last_preq +
min_preq_int_jiff(sdata));
@@ -686,11 +708,11 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
u8 ttl, dst_flags;
u32 lifetime;
- spin_lock(&ifmsh->mesh_preq_queue_lock);
+ spin_lock_bh(&ifmsh->mesh_preq_queue_lock);
if (!ifmsh->preq_queue_len ||
time_before(jiffies, ifmsh->last_preq +
min_preq_int_jiff(sdata))) {
- spin_unlock(&ifmsh->mesh_preq_queue_lock);
+ spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
return;
}
@@ -698,7 +720,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
struct mesh_preq_queue, list);
list_del(&preq_node->list);
--ifmsh->preq_queue_len;
- spin_unlock(&ifmsh->mesh_preq_queue_lock);
+ spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
rcu_read_lock();
mpath = mesh_path_lookup(preq_node->dst, sdata);
@@ -784,7 +806,6 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
mesh_path_add(dst_addr, sdata);
mpath = mesh_path_lookup(dst_addr, sdata);
if (!mpath) {
- dev_kfree_skb(skb);
sdata->u.mesh.mshstats.dropped_frames_no_route++;
err = -ENOSPC;
goto endlookup;
@@ -792,7 +813,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
}
if (mpath->flags & MESH_PATH_ACTIVE) {
- if (time_after(jiffies, mpath->exp_time -
+ if (time_after(jiffies, mpath->exp_time +
msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time))
&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
ETH_ALEN)
@@ -804,17 +825,17 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
memcpy(hdr->addr1, mpath->next_hop->sta.addr,
ETH_ALEN);
} else {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
if (!(mpath->flags & MESH_PATH_RESOLVING)) {
/* Start discovery only if it is not running yet */
mesh_queue_preq(mpath, PREQ_Q_F_START);
}
if (skb_queue_len(&mpath->frame_queue) >=
- MESH_FRAME_QUEUE_LEN) {
- skb_to_free = mpath->frame_queue.next;
- skb_unlink(skb_to_free, &mpath->frame_queue);
- }
+ MESH_FRAME_QUEUE_LEN)
+ skb_to_free = skb_dequeue(&mpath->frame_queue);
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&mpath->frame_queue, skb);
if (skb_to_free)
mesh_path_discard_frame(skb_to_free, sdata);