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Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r--net/mac80211/mesh_hwmp.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 214e63b84e5c..085edc1d056b 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -510,14 +510,14 @@ 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,
- const u8 *preq_elem, u32 metric)
+ const u8 *preq_elem, u32 orig_metric)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct mesh_path *mpath = NULL;
const u8 *target_addr, *orig_addr;
const u8 *da;
u8 target_flags, ttl, flags;
- u32 orig_sn, target_sn, lifetime, orig_metric;
+ u32 orig_sn, target_sn, lifetime, target_metric;
bool reply = false;
bool forward = true;
bool root_is_gate;
@@ -528,7 +528,6 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
target_sn = PREQ_IE_TARGET_SN(preq_elem);
orig_sn = PREQ_IE_ORIG_SN(preq_elem);
target_flags = PREQ_IE_TARGET_F(preq_elem);
- orig_metric = metric;
/* Proactive PREQ gate announcements */
flags = PREQ_IE_FLAGS(preq_elem);
root_is_gate = !!(flags & RANN_FLAG_IS_GATE);
@@ -539,7 +538,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
mhwmp_dbg(sdata, "PREQ is for us\n");
forward = false;
reply = true;
- metric = 0;
+ target_metric = 0;
if (time_after(jiffies, ifmsh->last_sn_update +
net_traversal_jiffies(sdata)) ||
time_before(jiffies, ifmsh->last_sn_update)) {
@@ -556,7 +555,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
reply = true;
target_addr = sdata->vif.addr;
target_sn = ++ifmsh->sn;
- metric = 0;
+ target_metric = 0;
ifmsh->last_sn_update = jiffies;
}
if (root_is_gate)
@@ -574,7 +573,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
} else if ((!(target_flags & MP_F_DO)) &&
(mpath->flags & MESH_PATH_ACTIVE)) {
reply = true;
- metric = mpath->metric;
+ target_metric = mpath->metric;
target_sn = mpath->sn;
if (target_flags & MP_F_RF)
target_flags |= MP_F_DO;
@@ -593,7 +592,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
mesh_path_sel_frame_tx(MPATH_PREP, 0, orig_addr,
orig_sn, 0, target_addr,
target_sn, mgmt->sa, 0, ttl,
- lifetime, metric, 0, sdata);
+ lifetime, target_metric, 0,
+ sdata);
} else {
ifmsh->mshstats.dropped_frames_ttl++;
}
@@ -619,13 +619,12 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) {
target_addr = PREQ_IE_TARGET_ADDR(preq_elem);
target_sn = PREQ_IE_TARGET_SN(preq_elem);
- metric = orig_metric;
}
mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
orig_sn, target_flags, target_addr,
target_sn, da, hopcount, ttl, lifetime,
- metric, preq_id, sdata);
+ orig_metric, preq_id, sdata);
if (!is_multicast_ether_addr(da))
ifmsh->mshstats.fwded_unicast++;
else
@@ -854,7 +853,7 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
{
struct ieee802_11_elems elems;
size_t baselen;
- u32 last_hop_metric;
+ u32 path_metric;
struct sta_info *sta;
/* need action_code */
@@ -877,21 +876,21 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
if (elems.preq_len != 37)
/* Right now we support just 1 destination and no AE */
return;
- last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,
- MPATH_PREQ);
- if (last_hop_metric)
+ path_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,
+ MPATH_PREQ);
+ if (path_metric)
hwmp_preq_frame_process(sdata, mgmt, elems.preq,
- last_hop_metric);
+ path_metric);
}
if (elems.prep) {
if (elems.prep_len != 31)
/* Right now we support no AE */
return;
- last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,
- MPATH_PREP);
- if (last_hop_metric)
+ path_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,
+ MPATH_PREP);
+ if (path_metric)
hwmp_prep_frame_process(sdata, mgmt, elems.prep,
- last_hop_metric);
+ path_metric);
}
if (elems.perr) {
if (elems.perr_len != 15)