mac80211: clean up mesh code

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / mesh.c

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 8ff533005d929288a4b38d969756d9e9b599c8d3..ebe1a7a80bad494a32a3efc62d75c6f8d9e6d539 100644 (file)
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -381,3 +381,70 @@ endgrow:
        else
                return newtbl;
 }
+
+/**
+ * ieee80211_new_mesh_header - create a new mesh header
+ * @meshhdr:    uninitialized mesh header
+ * @sdata:     mesh interface to be used
+ *
+ * Return the header length.
+ */
+int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
+               struct ieee80211_sub_if_data *sdata)
+{
+       meshhdr->flags = 0;
+       meshhdr->ttl = sdata->u.sta.mshcfg.dot11MeshTTL;
+
+       meshhdr->seqnum[0] = sdata->u.sta.mesh_seqnum[0]++;
+       meshhdr->seqnum[1] = sdata->u.sta.mesh_seqnum[1];
+       meshhdr->seqnum[2] = sdata->u.sta.mesh_seqnum[2];
+
+       if (sdata->u.sta.mesh_seqnum[0] == 0) {
+               sdata->u.sta.mesh_seqnum[1]++;
+               if (sdata->u.sta.mesh_seqnum[1] == 0)
+                       sdata->u.sta.mesh_seqnum[2]++;
+       }
+
+       return 5;
+}
+
+void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
+{
+       struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+
+       ifsta->mshcfg.dot11MeshRetryTimeout = MESH_RET_T;
+       ifsta->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T;
+       ifsta->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T;
+       ifsta->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR;
+       ifsta->mshcfg.dot11MeshTTL = MESH_TTL;
+       ifsta->mshcfg.auto_open_plinks = true;
+       ifsta->mshcfg.dot11MeshMaxPeerLinks =
+               MESH_MAX_ESTAB_PLINKS;
+       ifsta->mshcfg.dot11MeshHWMPactivePathTimeout =
+               MESH_PATH_TIMEOUT;
+       ifsta->mshcfg.dot11MeshHWMPpreqMinInterval =
+               MESH_PREQ_MIN_INT;
+       ifsta->mshcfg.dot11MeshHWMPnetDiameterTraversalTime =
+               MESH_DIAM_TRAVERSAL_TIME;
+       ifsta->mshcfg.dot11MeshHWMPmaxPREQretries =
+               MESH_MAX_PREQ_RETRIES;
+       ifsta->mshcfg.path_refresh_time =
+               MESH_PATH_REFRESH_TIME;
+       ifsta->mshcfg.min_discovery_timeout =
+               MESH_MIN_DISCOVERY_TIMEOUT;
+       ifsta->accepting_plinks = true;
+       ifsta->preq_id = 0;
+       ifsta->dsn = 0;
+       atomic_set(&ifsta->mpaths, 0);
+       mesh_rmc_init(sdata->dev);
+       ifsta->last_preq = jiffies;
+       /* Allocate all mesh structures when creating the first mesh interface. */
+       if (!mesh_allocated)
+               ieee80211s_init();
+       mesh_ids_set_default(ifsta);
+       setup_timer(&ifsta->mesh_path_timer,
+                   ieee80211_mesh_path_timer,
+                   (unsigned long) sdata);
+       INIT_LIST_HEAD(&ifsta->preq_queue.list);
+       spin_lock_init(&ifsta->mesh_preq_queue_lock);
+}