* published by the Free Software Foundation.
*/
+#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "mesh.h"
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_if_sta *sta = &sdata->u.sta;
- if (sta->mesh_id_len == ie->mesh_id_len &&
- memcmp(sta->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
- memcmp(sta->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
- memcmp(sta->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
- memcmp(sta->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0)
/*
* As support for each feature is added, check for matching
* - On mesh config capabilities
* - MDA enabled
* - Power management control on fc
*/
+ if (sta->mesh_id_len == ie->mesh_id_len &&
+ memcmp(sta->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
+ memcmp(sta->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
+ memcmp(sta->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
+ memcmp(sta->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0)
return true;
return false;
/**
* mesh_accept_plinks_update: update accepting_plink in local mesh beacons
*
- * @dev: mesh interface in which mesh beacons are going to be updated
+ * @sdata: mesh interface in which mesh beacons are going to be updated
*/
-void mesh_accept_plinks_update(struct net_device *dev)
+void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
bool free_plinks;
/* In case mesh_plink_free_count > 0 and mesh_plinktbl_capacity == 0,
* the mesh interface might be able to establish plinks with peers that
- * are already on the table but are not on ESTAB state. However, in
- * general the mesh interface is not accepting peer link requests from
- * new peers, and that must be reflected in the beacon
+ * are already on the table but are not on PLINK_ESTAB state. However,
+ * in general the mesh interface is not accepting peer link requests
+ * from new peers, and that must be reflected in the beacon
*/
free_plinks = mesh_plink_availables(sdata);
struct rmc_entry *p, *n;
/* Don't care about endianness since only match matters */
- memcpy(&seqnum, mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum));
- idx = mesh_hdr->seqnum[0] & rmc->idx_mask;
+ memcpy(&seqnum, &mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum));
+ idx = le32_to_cpu(mesh_hdr->seqnum) & rmc->idx_mask;
list_for_each_entry_safe(p, n, &rmc->bucket[idx].list, list) {
++entries;
if (time_after(jiffies, p->exp_time) ||
return newtbl;
}
+static void __mesh_table_free(struct mesh_table *tbl)
+{
+ kfree(tbl->hash_buckets);
+ kfree(tbl->hashwlock);
+ kfree(tbl);
+}
+
void mesh_table_free(struct mesh_table *tbl, bool free_leafs)
{
struct hlist_head *mesh_hash;
}
spin_unlock(&tbl->hashwlock[i]);
}
- kfree(tbl->hash_buckets);
- kfree(tbl->hashwlock);
- kfree(tbl);
+ __mesh_table_free(tbl);
}
static void ieee80211_mesh_path_timer(unsigned long data)
{
struct mesh_table *newtbl;
struct hlist_head *oldhash;
- struct hlist_node *p;
- int err = 0;
+ struct hlist_node *p, *q;
int i;
if (atomic_read(&tbl->entries)
- < tbl->mean_chain_len * (tbl->hash_mask + 1)) {
- err = -EPERM;
+ < tbl->mean_chain_len * (tbl->hash_mask + 1))
goto endgrow;
- }
newtbl = mesh_table_alloc(tbl->size_order + 1);
- if (!newtbl) {
- err = -ENOMEM;
+ if (!newtbl)
goto endgrow;
- }
newtbl->free_node = tbl->free_node;
newtbl->mean_chain_len = tbl->mean_chain_len;
oldhash = tbl->hash_buckets;
for (i = 0; i <= tbl->hash_mask; i++)
hlist_for_each(p, &oldhash[i])
- tbl->copy_node(p, newtbl);
+ if (tbl->copy_node(p, newtbl) < 0)
+ goto errcopy;
+
+ return newtbl;
+errcopy:
+ for (i = 0; i <= newtbl->hash_mask; i++) {
+ hlist_for_each_safe(p, q, &newtbl->hash_buckets[i])
+ tbl->free_node(p, 0);
+ }
+ __mesh_table_free(tbl);
endgrow:
- if (err)
- return NULL;
- else
- return newtbl;
+ return NULL;
+}
+
+/**
+ * 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;
+ put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum);
+ sdata->u.sta.mesh_seqnum++;
+
+ return 6;
+}
+
+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);
}
projects / linux-2.6 / blobdiff