diff options
Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 6b4603a90031..585c1e26cca8 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -30,14 +30,14 @@ static void mesh_queue_preq(struct mesh_path *, u8); -static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae) +static inline u32 u32_field_get(const u8 *preq_elem, int offset, bool ae) { if (ae) offset += 6; return get_unaligned_le32(preq_elem + offset); } -static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae) +static inline u32 u16_field_get(const u8 *preq_elem, int offset, bool ae) { if (ae) offset += 6; @@ -102,10 +102,13 @@ enum mpath_frame_type { static const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, - u8 *orig_addr, __le32 orig_sn, u8 target_flags, u8 *target, - __le32 target_sn, const u8 *da, u8 hop_count, u8 ttl, - __le32 lifetime, __le32 metric, __le32 preq_id, - struct ieee80211_sub_if_data *sdata) + const u8 *orig_addr, __le32 orig_sn, + u8 target_flags, const u8 *target, + __le32 target_sn, const u8 *da, + u8 hop_count, u8 ttl, + __le32 lifetime, __le32 metric, + __le32 preq_id, + struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct sk_buff *skb; @@ -205,6 +208,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; skb_set_mac_header(skb, 0); skb_set_network_header(skb, 0); @@ -217,6 +221,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, info->control.vif = &sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; ieee80211_set_qos_hdr(sdata, skb); + ieee80211_mps_set_frame_flags(sdata, NULL, hdr); } /** @@ -233,7 +238,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata, * also acquires in the TX path. To avoid a deadlock we don't transmit the * frame directly but add it to the pending queue instead. */ -int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, +int mesh_path_error_tx(u8 ttl, const u8 *target, __le32 target_sn, __le16 target_rcode, const u8 *ra, struct ieee80211_sub_if_data *sdata) { @@ -367,14 +372,14 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, * path routing information is updated. */ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - u8 *hwmp_ie, enum mpath_frame_type action) + struct ieee80211_mgmt *mgmt, + const u8 *hwmp_ie, enum mpath_frame_type action) { struct ieee80211_local *local = sdata->local; struct mesh_path *mpath; struct sta_info *sta; bool fresh_info; - u8 *orig_addr, *ta; + const u8 *orig_addr, *ta; u32 orig_sn, orig_metric; unsigned long orig_lifetime, exp_time; u32 last_hop_metric, new_metric; @@ -509,11 +514,11 @@ 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) + const u8 *preq_elem, u32 metric) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath = NULL; - u8 *target_addr, *orig_addr; + const u8 *target_addr, *orig_addr; const u8 *da; u8 target_flags, ttl, flags; u32 orig_sn, target_sn, lifetime, orig_metric; @@ -646,11 +651,11 @@ next_hop_deref_protected(struct mesh_path *mpath) static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, - u8 *prep_elem, u32 metric) + const u8 *prep_elem, u32 metric) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath; - u8 *target_addr, *orig_addr; + const u8 *target_addr, *orig_addr; u8 ttl, hopcount, flags; u8 next_hop[ETH_ALEN]; u32 target_sn, orig_sn, lifetime; @@ -709,12 +714,13 @@ fail: } static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, u8 *perr_elem) + struct ieee80211_mgmt *mgmt, + const u8 *perr_elem) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct mesh_path *mpath; u8 ttl; - u8 *ta, *target_addr; + const u8 *ta, *target_addr; u32 target_sn; u16 target_rcode; @@ -756,15 +762,15 @@ endperr: } static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, - struct ieee80211_mgmt *mgmt, - struct ieee80211_rann_ie *rann) + struct ieee80211_mgmt *mgmt, + const struct ieee80211_rann_ie *rann) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; struct ieee80211_local *local = sdata->local; struct sta_info *sta; struct mesh_path *mpath; u8 ttl, flags, hopcount; - u8 *orig_addr; + const u8 *orig_addr; u32 orig_sn, metric, metric_txsta, interval; bool root_is_gate; @@ -1080,6 +1086,10 @@ int mesh_nexthop_resolve(struct sk_buff *skb, u8 *target_addr = hdr->addr3; int err = 0; + /* Nulls are only sent to peers for PS and should be pre-addressed */ + if (ieee80211_is_qos_nullfunc(hdr->frame_control)) + return 0; + rcu_read_lock(); err = mesh_nexthop_lookup(skb, sdata); if (!err) @@ -1151,6 +1161,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, if (next_hop) { memcpy(hdr->addr1, next_hop->sta.addr, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); + ieee80211_mps_set_frame_flags(sdata, next_hop, hdr); err = 0; } |