diff options
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 47 |
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, | |||
192 | memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); | 192 | memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); |
193 | /* BSSID is left zeroed, wildcard value */ | 193 | /* BSSID is left zeroed, wildcard value */ |
194 | mgmt->u.action.category = MESH_PATH_SEL_CATEGORY; | 194 | mgmt->u.action.category = MESH_PATH_SEL_CATEGORY; |
195 | mgmt->u.action.u.mesh_action.action_code = MPATH_PERR; | 195 | mgmt->u.action.u.mesh_action.action_code = MESH_PATH_SEL_ACTION; |
196 | ie_len = 12; | 196 | ie_len = 12; |
197 | pos = skb_put(skb, 2 + ie_len); | 197 | pos = skb_put(skb, 2 + ie_len); |
198 | *pos++ = WLAN_EID_PERR; | 198 | *pos++ = WLAN_EID_PERR; |
@@ -277,7 +277,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, | |||
277 | */ | 277 | */ |
278 | static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, | 278 | static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, |
279 | struct ieee80211_mgmt *mgmt, | 279 | struct ieee80211_mgmt *mgmt, |
280 | u8 *hwmp_ie) | 280 | u8 *hwmp_ie, enum mpath_frame_type action) |
281 | { | 281 | { |
282 | struct ieee80211_local *local = sdata->local; | 282 | struct ieee80211_local *local = sdata->local; |
283 | struct mesh_path *mpath; | 283 | struct mesh_path *mpath; |
@@ -288,7 +288,6 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, | |||
288 | unsigned long orig_lifetime, exp_time; | 288 | unsigned long orig_lifetime, exp_time; |
289 | u32 last_hop_metric, new_metric; | 289 | u32 last_hop_metric, new_metric; |
290 | bool process = true; | 290 | bool process = true; |
291 | u8 action = mgmt->u.action.u.mesh_action.action_code; | ||
292 | 291 | ||
293 | rcu_read_lock(); | 292 | rcu_read_lock(); |
294 | sta = sta_info_get(local, mgmt->sa); | 293 | sta = sta_info_get(local, mgmt->sa); |
@@ -443,6 +442,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, | |||
443 | mhwmp_dbg("received PREQ\n"); | 442 | mhwmp_dbg("received PREQ\n"); |
444 | 443 | ||
445 | if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) { | 444 | if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) { |
445 | mhwmp_dbg("PREQ is for us\n"); | ||
446 | forward = false; | 446 | forward = false; |
447 | reply = true; | 447 | reply = true; |
448 | metric = 0; | 448 | metric = 0; |
@@ -498,6 +498,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, | |||
498 | ifmsh->mshstats.dropped_frames_ttl++; | 498 | ifmsh->mshstats.dropped_frames_ttl++; |
499 | return; | 499 | return; |
500 | } | 500 | } |
501 | mhwmp_dbg("forwarding the PREQ\n"); | ||
501 | --ttl; | 502 | --ttl; |
502 | flags = PREQ_IE_FLAGS(preq_elem); | 503 | flags = PREQ_IE_FLAGS(preq_elem); |
503 | preq_id = PREQ_IE_PREQ_ID(preq_elem); | 504 | preq_id = PREQ_IE_PREQ_ID(preq_elem); |
@@ -524,6 +525,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, | |||
524 | u8 next_hop[ETH_ALEN]; | 525 | u8 next_hop[ETH_ALEN]; |
525 | u32 dst_dsn, orig_dsn, lifetime; | 526 | u32 dst_dsn, orig_dsn, lifetime; |
526 | 527 | ||
528 | mhwmp_dbg("received PREP\n"); | ||
529 | |||
527 | /* Note that we divert from the draft nomenclature and denominate | 530 | /* Note that we divert from the draft nomenclature and denominate |
528 | * destination to what the draft refers to as origininator. So in this | 531 | * destination to what the draft refers to as origininator. So in this |
529 | * function destnation refers to the final destination of the PREP, | 532 | * 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, | |||
625 | ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, | 628 | ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, |
626 | len - baselen, &elems); | 629 | len - baselen, &elems); |
627 | 630 | ||
628 | switch (mgmt->u.action.u.mesh_action.action_code) { | 631 | mhwmp_dbg("RX path selection frame\n"); |
629 | case MPATH_PREQ: | 632 | if (elems.preq) { |
630 | if (!elems.preq || elems.preq_len != 37) | 633 | if (elems.preq_len != 37) |
631 | /* Right now we support just 1 destination and no AE */ | 634 | /* Right now we support just 1 destination and no AE */ |
632 | return; | 635 | return; |
633 | last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq); | 636 | last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq, |
634 | if (!last_hop_metric) | 637 | MPATH_PREQ); |
635 | return; | 638 | if (last_hop_metric) |
636 | hwmp_preq_frame_process(sdata, mgmt, elems.preq, last_hop_metric); | 639 | hwmp_preq_frame_process(sdata, mgmt, elems.preq, |
637 | break; | 640 | last_hop_metric); |
638 | case MPATH_PREP: | 641 | } |
639 | if (!elems.prep || elems.prep_len != 31) | 642 | if (elems.prep) { |
643 | if (elems.prep_len != 31) | ||
640 | /* Right now we support no AE */ | 644 | /* Right now we support no AE */ |
641 | return; | 645 | return; |
642 | last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep); | 646 | last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep, |
643 | if (!last_hop_metric) | 647 | MPATH_PREP); |
644 | return; | 648 | if (last_hop_metric) |
645 | hwmp_prep_frame_process(sdata, mgmt, elems.prep, last_hop_metric); | 649 | hwmp_prep_frame_process(sdata, mgmt, elems.prep, |
646 | break; | 650 | last_hop_metric); |
647 | case MPATH_PERR: | 651 | } |
648 | if (!elems.perr || elems.perr_len != 12) | 652 | if (elems.perr) { |
653 | if (elems.perr_len != 12) | ||
649 | /* Right now we support only one destination per PERR */ | 654 | /* Right now we support only one destination per PERR */ |
650 | return; | 655 | return; |
651 | hwmp_perr_frame_process(sdata, mgmt, elems.perr); | 656 | hwmp_perr_frame_process(sdata, mgmt, elems.perr); |
652 | default: | ||
653 | return; | ||
654 | } | 657 | } |
655 | 658 | ||
656 | } | 659 | } |