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Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r--net/mac80211/mesh_hwmp.c47
1 files changed, 25 insertions, 22 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 6dbaec53653d..e67e812f78e2 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -192,7 +192,7 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
/* BSSID is left zeroed, wildcard value */
mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
- mgmt->u.action.u.mesh_action.action_code = MPATH_PERR;
+ mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION;
ie_len = 12;
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PERR;
@@ -277,7 +277,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
*/
static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
- u8 *hwmp_ie)
+ u8 *hwmp_ie, enum mpath_frame_type action)
{
struct ieee80211_local *local = sdata->local;
struct mesh_path *mpath;
@@ -288,7 +288,6 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
unsigned long orig_lifetime, exp_time;
u32 last_hop_metric, new_metric;
bool process = true;
- u8 action = mgmt->u.action.u.mesh_action.action_code;
rcu_read_lock();
sta = sta_info_get(local, mgmt->sa);
@@ -443,6 +442,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
mhwmp_dbg("received PREQ\n");
if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
+ mhwmp_dbg("PREQ is for us\n");
forward = false;
reply = true;
metric = 0;
@@ -498,6 +498,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
ifmsh->mshstats.dropped_frames_ttl++;
return;
}
+ mhwmp_dbg("forwarding the PREQ\n");
--ttl;
flags = PREQ_IE_FLAGS(preq_elem);
preq_id = PREQ_IE_PREQ_ID(preq_elem);
@@ -524,6 +525,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
u8 next_hop[ETH_ALEN];
u32 dst_dsn, orig_dsn, lifetime;
+ mhwmp_dbg("received PREP\n");
+
/* Note that we divert from the draft nomenclature and denominate
* destination to what the draft refers to as origininator. So in this
* function destnation refers to the final destination of the PREP,
@@ -625,32 +628,32 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
len - baselen, &elems);
- switch (mgmt->u.action.u.mesh_action.action_code) {
- case MPATH_PREQ:
- if (!elems.preq || elems.preq_len != 37)
+ mhwmp_dbg("RX path selection frame\n");
+ if (elems.preq) {
+ 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);
- if (!last_hop_metric)
- return;
- hwmp_preq_frame_process(sdata, mgmt, elems.preq, last_hop_metric);
- break;
- case MPATH_PREP:
- if (!elems.prep || elems.prep_len != 31)
+ last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq,
+ MPATH_PREQ);
+ if (last_hop_metric)
+ hwmp_preq_frame_process(sdata, mgmt, elems.preq,
+ last_hop_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);
- if (!last_hop_metric)
- return;
- hwmp_prep_frame_process(sdata, mgmt, elems.prep, last_hop_metric);
- break;
- case MPATH_PERR:
- if (!elems.perr || elems.perr_len != 12)
+ last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep,
+ MPATH_PREP);
+ if (last_hop_metric)
+ hwmp_prep_frame_process(sdata, mgmt, elems.prep,
+ last_hop_metric);
+ }
+ if (elems.perr) {
+ if (elems.perr_len != 12)
/* Right now we support only one destination per PERR */
return;
hwmp_perr_frame_process(sdata, mgmt, elems.perr);
- default:
- return;
}
}