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-rw-r--r--net/mac80211/Kconfig8
-rw-r--r--net/mac80211/cfg.c4
-rw-r--r--net/mac80211/ieee80211_i.h6
-rw-r--r--net/mac80211/main.c16
-rw-r--r--net/mac80211/mesh.c145
-rw-r--r--net/mac80211/mesh.h30
-rw-r--r--net/mac80211/mesh_hwmp.c17
-rw-r--r--net/mac80211/mesh_pathtbl.c151
-rw-r--r--net/mac80211/mesh_plink.c2
-rw-r--r--net/mac80211/mlme.c31
-rw-r--r--net/mac80211/rc80211_minstrel.c16
-rw-r--r--net/mac80211/rx.c45
-rw-r--r--net/mac80211/scan.c10
-rw-r--r--net/mac80211/sta_info.c2
-rw-r--r--net/mac80211/tx.c158
15 files changed, 398 insertions, 243 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 7dd77b6d4c9..9db4ff836a3 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -66,12 +66,12 @@ endmenu
config MAC80211_MESH
bool "Enable mac80211 mesh networking (pre-802.11s) support"
depends on MAC80211 && EXPERIMENTAL
- depends on BROKEN
---help---
This options enables support of Draft 802.11s mesh networking.
- The implementation is based on Draft 1.08 of the Mesh Networking
- amendment. For more information visit http://o11s.org/.
-
+ The implementation is based on Draft 2.08 of the Mesh Networking
+ amendment. However, no compliance with that draft is claimed or even
+ possible, as drafts leave a number of identifiers to be defined after
+ ratification. For more information visit http://o11s.org/.
config MAC80211_LEDS
bool "Enable LED triggers"
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4bbf5007799..5608f6c6841 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -323,6 +323,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ sinfo->generation = sdata->local->sta_generation;
+
sinfo->filled = STATION_INFO_INACTIVE_TIME |
STATION_INFO_RX_BYTES |
STATION_INFO_TX_BYTES |
@@ -909,6 +911,8 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
else
memset(next_hop, 0, ETH_ALEN);
+ pinfo->generation = mesh_paths_generation;
+
pinfo->filled = MPATH_INFO_FRAME_QLEN |
MPATH_INFO_DSN |
MPATH_INFO_METRIC |
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 630a438180f..a6abc7dfd90 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -284,6 +284,7 @@ struct ieee80211_if_managed {
struct mutex mtx;
struct ieee80211_bss *associated;
+ struct ieee80211_mgd_work *old_associate_work;
struct list_head work_list;
u8 bssid[ETH_ALEN];
@@ -354,7 +355,7 @@ struct ieee80211_if_mesh {
unsigned long timers_running;
- bool housekeeping;
+ unsigned long wrkq_flags;
u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
size_t mesh_id_len;
@@ -677,6 +678,7 @@ struct ieee80211_local {
struct list_head sta_list;
struct sta_info *sta_hash[STA_HASH_SIZE];
struct timer_list sta_cleanup;
+ int sta_generation;
struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
struct tasklet_struct tx_pending_tasklet;
@@ -713,7 +715,7 @@ struct ieee80211_local {
struct mutex scan_mtx;
unsigned long scanning;
struct cfg80211_ssid scan_ssid;
- struct cfg80211_scan_request int_scan_req;
+ struct cfg80211_scan_request *int_scan_req;
struct cfg80211_scan_request *scan_req;
struct ieee80211_channel *scan_channel;
const u8 *orig_ies;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0c4f8e122ed..b03fd84777f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -765,9 +765,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
supp_ht = supp_ht || sband->ht_cap.ht_supported;
}
- local->int_scan_req.n_channels = channels;
- local->int_scan_req.channels = kzalloc(sizeof(void *) * channels, GFP_KERNEL);
- if (!local->int_scan_req.channels)
+ local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +
+ sizeof(void *) * channels, GFP_KERNEL);
+ if (!local->int_scan_req)
return -ENOMEM;
/* if low-level driver supports AP, we also support VLAN */
@@ -882,13 +882,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
/* alloc internal scan request */
i = 0;
- local->int_scan_req.ssids = &local->scan_ssid;
- local->int_scan_req.n_ssids = 1;
+ local->int_scan_req->ssids = &local->scan_ssid;
+ local->int_scan_req->n_ssids = 1;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (!hw->wiphy->bands[band])
continue;
for (j = 0; j < hw->wiphy->bands[band]->n_channels; j++) {
- local->int_scan_req.channels[i] =
+ local->int_scan_req->channels[i] =
&hw->wiphy->bands[band]->channels[j];
i++;
}
@@ -920,7 +920,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
fail_workqueue:
wiphy_unregister(local->hw.wiphy);
fail_wiphy_register:
- kfree(local->int_scan_req.channels);
+ kfree(local->int_scan_req->channels);
return result;
}
EXPORT_SYMBOL(ieee80211_register_hw);
@@ -962,7 +962,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
wiphy_unregister(local->hw.wiphy);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
- kfree(local->int_scan_req.channels);
+ kfree(local->int_scan_req);
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2f4f518ab45..3185e18c821 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -47,14 +47,14 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- ifmsh->housekeeping = true;
+ ifmsh->wrkq_flags |= MESH_WORK_HOUSEKEEPING;
if (local->quiescing) {
set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
return;
}
- ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
}
/**
@@ -320,30 +320,6 @@ struct mesh_table *mesh_table_alloc(int size_order)
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;
- struct hlist_node *p, *q;
- int i;
-
- mesh_hash = tbl->hash_buckets;
- for (i = 0; i <= tbl->hash_mask; i++) {
- spin_lock(&tbl->hashwlock[i]);
- hlist_for_each_safe(p, q, &mesh_hash[i]) {
- tbl->free_node(p, free_leafs);
- atomic_dec(&tbl->entries);
- }
- spin_unlock(&tbl->hashwlock[i]);
- }
- __mesh_table_free(tbl);
-}
static void ieee80211_mesh_path_timer(unsigned long data)
{
@@ -357,63 +333,79 @@ static void ieee80211_mesh_path_timer(unsigned long data)
return;
}
- ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
}
-struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
-{
- struct mesh_table *newtbl;
- struct hlist_head *oldhash;
- struct hlist_node *p, *q;
- int i;
-
- if (atomic_read(&tbl->entries)
- < tbl->mean_chain_len * (tbl->hash_mask + 1))
- goto endgrow;
-
- newtbl = mesh_table_alloc(tbl->size_order + 1);
- if (!newtbl)
- goto endgrow;
-
- newtbl->free_node = tbl->free_node;
- newtbl->mean_chain_len = tbl->mean_chain_len;
- newtbl->copy_node = tbl->copy_node;
- atomic_set(&newtbl->entries, atomic_read(&tbl->entries));
-
- oldhash = tbl->hash_buckets;
- for (i = 0; i <= tbl->hash_mask; i++)
- hlist_for_each(p, &oldhash[i])
- 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);
+/**
+ * ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
+ * @hdr: 802.11 frame header
+ * @fc: frame control field
+ * @meshda: destination address in the mesh
+ * @meshsa: source address address in the mesh. Same as TA, as frame is
+ * locally originated.
+ *
+ * Return the length of the 802.11 (does not include a mesh control header)
+ */
+int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc, char
+ *meshda, char *meshsa) {
+ if (is_multicast_ether_addr(meshda)) {
+ *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
+ /* DA TA SA */
+ memcpy(hdr->addr1, meshda, ETH_ALEN);
+ memcpy(hdr->addr2, meshsa, ETH_ALEN);
+ memcpy(hdr->addr3, meshsa, ETH_ALEN);
+ return 24;
+ } else {
+ *fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS |
+ IEEE80211_FCTL_TODS);
+ /* RA TA DA SA */
+ memset(hdr->addr1, 0, ETH_ALEN); /* RA is resolved later */
+ memcpy(hdr->addr2, meshsa, ETH_ALEN);
+ memcpy(hdr->addr3, meshda, ETH_ALEN);
+ memcpy(hdr->addr4, meshsa, ETH_ALEN);
+ return 30;
}
- __mesh_table_free(newtbl);
-endgrow:
- return NULL;
}
/**
* ieee80211_new_mesh_header - create a new mesh header
* @meshhdr: uninitialized mesh header
* @sdata: mesh interface to be used
+ * @addr4: addr4 of the mesh frame (1st in ae header)
+ * may be NULL
+ * @addr5: addr5 of the mesh frame (1st or 2nd in ae header)
+ * may be NULL unless addr6 is present
+ * @addr6: addr6 of the mesh frame (2nd or 3rd in ae header)
+ * may be NULL unless addr5 is present
*
* Return the header length.
*/
int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
- struct ieee80211_sub_if_data *sdata)
+ struct ieee80211_sub_if_data *sdata, char *addr4,
+ char *addr5, char *addr6)
{
- meshhdr->flags = 0;
+ int aelen = 0;
+ memset(meshhdr, 0, sizeof(meshhdr));
meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum);
sdata->u.mesh.mesh_seqnum++;
-
- return 6;
+ if (addr4) {
+ meshhdr->flags |= MESH_FLAGS_AE_A4;
+ aelen += ETH_ALEN;
+ memcpy(meshhdr->eaddr1, addr4, ETH_ALEN);
+ }
+ if (addr5 && addr6) {
+ meshhdr->flags |= MESH_FLAGS_AE_A5_A6;
+ aelen += 2 * ETH_ALEN;
+ if (!addr4) {
+ memcpy(meshhdr->eaddr1, addr5, ETH_ALEN);
+ memcpy(meshhdr->eaddr2, addr6, ETH_ALEN);
+ } else {
+ memcpy(meshhdr->eaddr2, addr5, ETH_ALEN);
+ memcpy(meshhdr->eaddr3, addr6, ETH_ALEN);
+ }
+ }
+ return 6 + aelen;
}
static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
@@ -433,7 +425,6 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
if (free_plinks != sdata->u.mesh.accepting_plinks)
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
- ifmsh->housekeeping = false;
mod_timer(&ifmsh->housekeeping_timer,
round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
}
@@ -470,10 +461,12 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
- ifmsh->housekeeping = true;
- ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
+ ifmsh->wrkq_flags |= MESH_WORK_HOUSEKEEPING;
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
+ sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
- BSS_CHANGED_BEACON_ENABLED);
+ BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_BEACON_INT);
}
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
@@ -608,7 +601,13 @@ static void ieee80211_mesh_work(struct work_struct *work)
ifmsh->last_preq + msecs_to_jiffies(ifmsh->mshcfg.dot11MeshHWMPpreqMinInterval)))
mesh_path_start_discovery(sdata);
- if (ifmsh->housekeeping)
+ if (test_and_clear_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags))
+ mesh_mpath_table_grow();
+
+ if (test_and_clear_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags))
+ mesh_mpp_table_grow();
+
+ if (test_and_clear_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags))
ieee80211_mesh_housekeeping(sdata, ifmsh);
}
@@ -619,7 +618,7 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list)
if (ieee80211_vif_is_mesh(&sdata->vif))
- ieee80211_queue_work(local->hw.workqueue, &sdata->u.mesh.work);
+ ieee80211_queue_work(&local->hw, &sdata->u.mesh.work);
rcu_read_unlock();
}
@@ -692,7 +691,7 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
case IEEE80211_STYPE_PROBE_RESP:
case IEEE80211_STYPE_BEACON:
skb_queue_tail(&ifmsh->skb_queue, skb);
- ieee80211_queue_work(local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
return RX_QUEUED;
}
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 2a2ed182cb7..eb23fc639b2 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -44,6 +44,23 @@ enum mesh_path_flags {
};
/**
+ * enum mesh_deferred_task_flags - mac80211 mesh deferred tasks
+ *
+ *
+ *
+ * @MESH_WORK_HOUSEKEEPING: run the periodic mesh housekeeping tasks
+ * @MESH_WORK_GROW_MPATH_TABLE: the mesh path table is full and needs
+ * to grow.
+ * @MESH_WORK_GROW_MPP_TABLE: the mesh portals table is full and needs to
+ * grow
+ */
+enum mesh_deferred_task_flags {
+ MESH_WORK_HOUSEKEEPING,
+ MESH_WORK_GROW_MPATH_TABLE,
+ MESH_WORK_GROW_MPP_TABLE,
+};
+
+/**
* struct mesh_path - mac80211 mesh path structure
*
* @dst: mesh path destination mac address
@@ -61,7 +78,7 @@ enum mesh_path_flags {
* retry
* @discovery_retries: number of discovery retries
* @flags: mesh path flags, as specified on &enum mesh_path_flags
- * @state_lock: mesh pat state lock
+ * @state_lock: mesh path state lock
*
*
* The combination of dst and sdata is unique in the mesh path table. Since the
@@ -174,6 +191,7 @@ struct mesh_rmc {
*/
#define MESH_PATH_REFRESH_TIME 1000
#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME)
+#define MESH_DEFAULT_BEACON_INTERVAL 1000 /* in 1024 us units */
#define MESH_MAX_PREQ_RETRIES 4
#define MESH_PATH_EXPIRE (600 * HZ)
@@ -193,8 +211,11 @@ struct mesh_rmc {
/* Public interfaces */
/* Various */
+int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
+ char *da, char *sa);
int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
- struct ieee80211_sub_if_data *sdata);
+ struct ieee80211_sub_if_data *sdata, char *addr4,
+ char *addr5, char *addr6);
int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
struct ieee80211_sub_if_data *sdata);
bool mesh_matches_local(struct ieee802_11_elems *ie,
@@ -246,7 +267,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
/* Mesh tables */
struct mesh_table *mesh_table_alloc(int size_order);
void mesh_table_free(struct mesh_table *tbl, bool free_leafs);
-struct mesh_table *mesh_table_grow(struct mesh_table *tbl);
+void mesh_mpath_table_grow(void);
+void mesh_mpp_table_grow(void);
u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
struct mesh_table *tbl);
/* Mesh paths */
@@ -265,6 +287,8 @@ void mesh_path_discard_frame(struct sk_buff *skb,
void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata);
void mesh_path_restart(struct ieee80211_sub_if_data *sdata);
+extern int mesh_paths_generation;
+
#ifdef CONFIG_MAC80211_MESH
extern int mesh_allocated;
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 11ab71a68ff..ef1efd36269 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -397,7 +397,8 @@ 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) {
+ u8 *preq_elem, u32 metric)
+{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct mesh_path *mpath;
u8 *dst_addr, *orig_addr;
@@ -430,7 +431,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
DSN_LT(mpath->dsn, dst_dsn)) {
mpath->dsn = dst_dsn;
- mpath->flags &= MESH_PATH_DSN_VALID;
+ mpath->flags |= MESH_PATH_DSN_VALID;
} else if ((!(dst_flags & MP_F_DO)) &&
(mpath->flags & MESH_PATH_ACTIVE)) {
reply = true;
@@ -660,14 +661,14 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
spin_unlock(&ifmsh->mesh_preq_queue_lock);
if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata)))
- ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmsh->work);
else if (time_before(jiffies, ifmsh->last_preq)) {
/* avoid long wait if did not send preqs for a long time
* and jiffies wrapped around
*/
ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;
- ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work);
+ ieee80211_queue_work(&sdata->local->hw, &ifmsh->work);
} else
mod_timer(&ifmsh->mesh_path_timer, ifmsh->last_preq +
min_preq_int_jiff(sdata));
@@ -791,7 +792,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
}
if (mpath->flags & MESH_PATH_ACTIVE) {
- if (time_after(jiffies, mpath->exp_time -
+ if (time_after(jiffies, mpath->exp_time +
msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time))
&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
ETH_ALEN)
@@ -810,10 +811,8 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
}
if (skb_queue_len(&mpath->frame_queue) >=
- MESH_FRAME_QUEUE_LEN) {
- skb_to_free = mpath->frame_queue.next;
- skb_unlink(skb_to_free, &mpath->frame_queue);
- }
+ MESH_FRAME_QUEUE_LEN)
+ skb_to_free = skb_dequeue(&mpath->frame_queue);
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&mpath->frame_queue, skb);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 04b9e4d61b8..751c4d0e2b3 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -38,6 +38,71 @@ struct mpath_node {
static struct mesh_table *mesh_paths;
static struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */
+int mesh_paths_generation;
+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;
+ struct hlist_node *p, *q;
+ int i;
+
+ mesh_hash = tbl->hash_buckets;
+ for (i = 0; i <= tbl->hash_mask; i++) {
+ spin_lock(&tbl->hashwlock[i]);
+ hlist_for_each_safe(p, q, &mesh_hash[i]) {
+ tbl->free_node(p, free_leafs);
+ atomic_dec(&tbl->entries);
+ }
+ spin_unlock(&tbl->hashwlock[i]);
+ }
+ __mesh_table_free(tbl);
+}
+
+static struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
+{
+ struct mesh_table *newtbl;
+ struct hlist_head *oldhash;
+ struct hlist_node *p, *q;
+ int i;
+
+ if (atomic_read(&tbl->entries)
+ < tbl->mean_chain_len * (tbl->hash_mask + 1))
+ goto endgrow;
+
+ newtbl = mesh_table_alloc(tbl->size_order + 1);
+ if (!newtbl)
+ goto endgrow;
+
+ newtbl->free_node = tbl->free_node;
+ newtbl->mean_chain_len = tbl->mean_chain_len;
+ newtbl->copy_node = tbl->copy_node;
+ atomic_set(&newtbl->entries, atomic_read(&tbl->entries));
+
+ oldhash = tbl->hash_buckets;
+ for (i = 0; i <= tbl->hash_mask; i++)
+ hlist_for_each(p, &oldhash[i])
+ 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(newtbl);
+endgrow:
+ return NULL;
+}
+
+
/* This lock will have the grow table function as writer and add / delete nodes
* as readers. When reading the table (i.e. doing lookups) we are well protected
* by RCU
@@ -185,6 +250,8 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data
*/
int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ struct ieee80211_local *local = sdata->local;
struct mesh_path *mpath, *new_mpath;
struct mpath_node *node, *new_node;
struct hlist_head *bucket;
@@ -193,8 +260,6 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
- might_sleep();
-
if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
/* never add ourselves as neighbours */
return -ENOTSUPP;
@@ -206,11 +271,11 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
return -ENOSPC;
err = -ENOMEM;
- new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
+ new_mpath = kzalloc(sizeof(struct mesh_path), GFP_ATOMIC);
if (!new_mpath)
goto err_path_alloc;
- new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+ new_node = kmalloc(sizeof(struct mpath_node), GFP_ATOMIC);
if (!new_node)
goto err_node_alloc;
@@ -243,23 +308,13 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
mesh_paths->mean_chain_len * (mesh_paths->hash_mask + 1))
grow = 1;
+ mesh_paths_generation++;
+
spin_unlock(&mesh_paths->hashwlock[hash_idx]);
read_unlock(&pathtbl_resize_lock);
if (grow) {
- struct mesh_table *oldtbl, *newtbl;
-
- write_lock(&pathtbl_resize_lock);
- oldtbl = mesh_paths;
- newtbl = mesh_table_grow(mesh_paths);
- if (!newtbl) {
- write_unlock(&pathtbl_resize_lock);
- return 0;
- }
- rcu_assign_pointer(mesh_paths, newtbl);
- write_unlock(&pathtbl_resize_lock);
-
- synchronize_rcu();
- mesh_table_free(oldtbl, false);
+ set_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags);
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
}
return 0;
@@ -274,9 +329,46 @@ err_path_alloc:
return err;
}
+void mesh_mpath_table_grow(void)
+{
+ struct mesh_table *oldtbl, *newtbl;
+
+ write_lock(&pathtbl_resize_lock);
+ oldtbl = mesh_paths;
+ newtbl = mesh_table_grow(mesh_paths);
+ if (!newtbl) {
+ write_unlock(&pathtbl_resize_lock);
+ return;
+ }
+ rcu_assign_pointer(mesh_paths, newtbl);
+ write_unlock(&pathtbl_resize_lock);
+
+ synchronize_rcu();
+ mesh_table_free(oldtbl, false);
+}
+
+void mesh_mpp_table_grow(void)
+{
+ struct mesh_table *oldtbl, *newtbl;
+
+ write_lock(&pathtbl_resize_lock);
+ oldtbl = mpp_paths;
+ newtbl = mesh_table_grow(mpp_paths);
+ if (!newtbl) {
+ write_unlock(&pathtbl_resize_lock);
+ return;
+ }
+ rcu_assign_pointer(mpp_paths, newtbl);
+ write_unlock(&pathtbl_resize_lock);
+
+ synchronize_rcu();
+ mesh_table_free(oldtbl, false);
+}
int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ struct ieee80211_local *local = sdata->local;
struct mesh_path *mpath, *new_mpath;
struct mpath_node *node, *new_node;
struct hlist_head *bucket;
@@ -285,8 +377,6 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
int err = 0;
u32 hash_idx;
- might_sleep();
-
if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
/* never add ourselves as neighbours */
return -ENOTSUPP;
@@ -295,11 +385,11 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
return -ENOTSUPP;
err = -ENOMEM;
- new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
+ new_mpath = kzalloc(sizeof(struct mesh_path), GFP_ATOMIC);
if (!new_mpath)
goto err_path_alloc;
- new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+ new_node = kmalloc(sizeof(struct mpath_node), GFP_ATOMIC);
if (!new_node)
goto err_node_alloc;
@@ -333,20 +423,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
spin_unlock(&mpp_paths->hashwlock[hash_idx]);
read_unlock(&pathtbl_resize_lock);
if (grow) {
- struct mesh_table *oldtbl, *newtbl;
-
- write_lock(&pathtbl_resize_lock);
- oldtbl = mpp_paths;
- newtbl = mesh_table_grow(mpp_paths);
- if (!newtbl) {
- write_unlock(&pathtbl_resize_lock);
- return 0;
- }
- rcu_assign_pointer(mpp_paths, newtbl);
- write_unlock(&pathtbl_resize_lock);
-
- synchronize_rcu();
- mesh_table_free(oldtbl, false);
+ set_bit(MESH_WORK_GROW_MPP_TABLE, &ifmsh->wrkq_flags);
+ ieee80211_queue_work(&local->hw, &ifmsh->work);
}
return 0;
@@ -484,6 +562,7 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
err = -ENXIO;
enddel:
+ mesh_paths_generation++;
spin_unlock(&mesh_paths->hashwlock[hash_idx]);
read_unlock(&pathtbl_resize_lock);
return err;
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index cb14253587f..ffcbad75e09 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -409,7 +409,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
baselen = (u8 *) mgmt->u.action.u.plink_action.variable - (u8 *) mgmt;
if (mgmt->u.action.u.plink_action.action_code == PLINK_CONFIRM) {
baseaddr += 4;
- baselen -= 4;
+ baselen += 4;
}
ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
if (!elems.peer_link) {
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6d5a1ee0445..c374d2d73fa 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -880,10 +880,11 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_bss *bss,
+ struct ieee80211_mgd_work *wk,
u32 bss_info_changed)
{
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_bss *bss = wk->bss;
bss_info_changed |= BSS_CHANGED_ASSOC;
/* set timing information */
@@ -896,6 +897,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss->cbss.capability, bss->has_erp_value, bss->erp_value);
sdata->u.mgd.associated = bss;
+ sdata->u.mgd.old_associate_work = wk;
memcpy(sdata->u.mgd.bssid, bss->cbss.bssid, ETH_ALEN);
/* just to be sure */
@@ -1010,7 +1012,8 @@ ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
}
-static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata)
+static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
+ bool deauth)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
@@ -1028,6 +1031,16 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata)
ifmgd->associated = NULL;
memset(ifmgd->bssid, 0, ETH_ALEN);
+ if (deauth) {
+ kfree(ifmgd->old_associate_work);
+ ifmgd->old_associate_work = NULL;
+ } else {
+ struct ieee80211_mgd_work *wk = ifmgd->old_associate_work;
+
+ wk->state = IEEE80211_MGD_STATE_IDLE;
+ list_add(&wk->list, &ifmgd->work_list);
+ }
+
/*
* we need to commit the associated = NULL change because the
* scan code uses that to determine whether this iface should
@@ -1345,7 +1358,7 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
sdata->dev->name, bssid, reason_code);
if (!wk) {
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
} else {
list_del(&wk->list);
kfree(wk);
@@ -1378,7 +1391,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
sdata->dev->name, reason_code);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, false);
return RX_MGMT_CFG80211_DISASSOC;
}
@@ -1581,7 +1594,8 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, wk->bss, changed);
+ /* this will take ownership of wk */
+ ieee80211_set_associated(sdata, wk, changed);
/*
* Start timer to probe the connection to the AP now.
@@ -1590,7 +1604,6 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_rx_notify(sdata, (struct ieee80211_hdr *)mgmt);
mod_beacon_timer(sdata);
- kfree(wk);
return RX_MGMT_CFG80211_ASSOC;
}
@@ -2096,7 +2109,7 @@ static void ieee80211_sta_work(struct work_struct *work)
printk(KERN_DEBUG "No probe response from AP %pM"
" after %dms, disconnecting.\n",
bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ);
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
mutex_unlock(&ifmgd->mtx);
/*
* must be outside lock due to cfg80211,
@@ -2500,7 +2513,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
if (ifmgd->associated && &ifmgd->associated->cbss == req->bss) {
bssid = req->bss->bssid;
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, true);
} else list_for_each_entry(wk, &ifmgd->work_list, list) {
if (&wk->bss->cbss == req->bss) {
bssid = req->bss->bssid;
@@ -2552,7 +2565,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
return -ENOLINK;
}
- ieee80211_set_disassoc(sdata);
+ ieee80211_set_disassoc(sdata, false);
mutex_unlock(&ifmgd->mtx);
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 7c5142988bb..007164919e0 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -51,6 +51,7 @@
#include <linux/random.h>
#include <linux/ieee80211.h>
#include <net/mac80211.h>
+#include "mesh.h"
#include "rate.h"
#include "rc80211_minstrel.h"
@@ -155,12 +156,16 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
struct sk_buff *skb)
{
struct minstrel_sta_info *mi = priv_sta;
+ struct minstrel_priv *mp = (struct minstrel_priv *)priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *ar = info->status.rates;
+ struct ieee80211_local *local = hw_to_local(mp->hw);
+ struct sta_info *si;
int i, ndx;
int success;
success = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ si = sta_info_get(local, sta->addr);
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
if (ar[i].idx < 0)
@@ -172,8 +177,17 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
mi->r[ndx].attempts += ar[i].count;
- if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))
+ if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0)) {
mi->r[ndx].success += success;
+ if (si) {
+ si->fail_avg = (18050 - mi->r[ndx].probability)
+ / 180;
+ WARN_ON(si->fail_avg > 100);
+ if (si->fail_avg == 100 &&
+ ieee80211_vif_is_mesh(&si->sdata->vif))
+ mesh_plink_broken(si);
+ }
+ }
}
if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) && (i >= 0))
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 25a669c86e1..4cd9e45b144 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -489,12 +489,21 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
+ char *dev_addr = rx->dev->dev_addr;
if (ieee80211_is_data(hdr->frame_control)) {
- if (!ieee80211_has_a4(hdr->frame_control))
- return RX_DROP_MONITOR;
- if (memcmp(hdr->addr4, rx->dev->dev_addr, ETH_ALEN) == 0)
- return RX_DROP_MONITOR;
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ if (ieee80211_has_tods(hdr->frame_control) ||
+ !ieee80211_has_fromds(hdr->frame_control))
+ return RX_DROP_MONITOR;
+ if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
+ return RX_DROP_MONITOR;
+ } else {
+ if (!ieee80211_has_a4(hdr->frame_control))
+ return RX_DROP_MONITOR;
+ if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
+ return RX_DROP_MONITOR;
+ }
}
/* If there is not an established peer link and this is not a peer link
@@ -527,7 +536,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
if (ieee80211_is_data(hdr->frame_control) &&
is_multicast_ether_addr(hdr->addr1) &&
- mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->sdata))
+ mesh_rmc_check(hdr->addr3, msh_h_get(hdr, hdrlen), rx->sdata))
return RX_DROP_MONITOR;
#undef msh_h_get
@@ -1495,7 +1504,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
/* illegal frame */
return RX_DROP_MONITOR;
- if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6){
+ if (!is_multicast_ether_addr(hdr->addr1) &&
+ (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6)) {
struct mesh_path *mppath;
rcu_read_lock();
@@ -1512,7 +1522,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
rcu_read_unlock();
}
- if (compare_ether_addr(rx->dev->dev_addr, hdr->addr3) == 0)
+ /* Frame has reached destination. Don't forward */
+ if (!is_multicast_ether_addr(hdr->addr1) &&
+ compare_ether_addr(rx->dev->dev_addr, hdr->addr3) == 0)
return RX_CONTINUE;
mesh_hdr->ttl--;
@@ -1532,22 +1544,21 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
rx->dev->name);
fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
- /*
- * Save TA to addr1 to send TA a path error if a
- * suitable next hop is not found
- */
- memcpy(fwd_hdr->addr1, fwd_hdr->addr2, ETH_ALEN);
memcpy(fwd_hdr->addr2, rx->dev->dev_addr, ETH_ALEN);
info = IEEE80211_SKB_CB(fwd_skb);
memset(info, 0, sizeof(*info));
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
info->control.vif = &rx->sdata->vif;
ieee80211_select_queue(local, fwd_skb);
- if (is_multicast_ether_addr(fwd_hdr->addr3))
- memcpy(fwd_hdr->addr1, fwd_hdr->addr3,
+ if (!is_multicast_ether_addr(fwd_hdr->addr1)) {
+ int err;
+ /*
+ * Save TA to addr1 to send TA a path error if a
+ * suitable next hop is not found
+ */
+ memcpy(fwd_hdr->addr1, fwd_hdr->addr2,
ETH_ALEN);
- else {
- int err = mesh_nexthop_lookup(fwd_skb, sdata);
+ err = mesh_nexthop_lookup(fwd_skb, sdata);
/* Failed to immediately resolve next hop:
* fwded frame was dropped or will be added
* later to the pending skb queue. */
@@ -1560,7 +1571,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
}
}
- if (is_multicast_ether_addr(hdr->addr3) ||
+ if (is_multicast_ether_addr(hdr->addr1) ||
rx->dev->flags & IFF_PROMISC)
return RX_CONTINUE;
else
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 244f53f3c8b..e091cbc3434 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -277,7 +277,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (test_bit(SCAN_HW_SCANNING, &local->scanning))
ieee80211_restore_scan_ies(local);
- if (local->scan_req != &local->int_scan_req)
+ if (local->scan_req != local->int_scan_req)
cfg80211_scan_done(local->scan_req, aborted);
local->scan_req = NULL;
@@ -423,7 +423,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
local->scan_req = req;
local->scan_sdata = sdata;
- if (req != &local->int_scan_req &&
+ if (req != local->int_scan_req &&
sdata->vif.type == NL80211_IFTYPE_STATION &&
!list_empty(&ifmgd->work_list)) {
/* actually wait for the work it's doing to finish/time out */
@@ -743,10 +743,10 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
if (local->scan_req)
goto unlock;
- memcpy(local->int_scan_req.ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
- local->int_scan_req.ssids[0].ssid_len = ssid_len;
+ memcpy(local->int_scan_req->ssids[0].ssid, ssid, IEEE80211_MAX_SSID_LEN);
+ local->int_scan_req->ssids[0].ssid_len = ssid_len;
- ret = __ieee80211_start_scan(sdata, &sdata->local->int_scan_req);
+ ret = __ieee80211_start_scan(sdata, sdata->local->int_scan_req);
unlock:
mutex_unlock(&local->scan_mtx);
return ret;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a360bceeba5..eec001491e6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -349,6 +349,7 @@ int sta_info_insert(struct sta_info *sta)
goto out_free;
}
list_add(&sta->list, &local->sta_list);
+ local->sta_generation++;
local->num_sta++;
sta_info_hash_add(local, sta);
@@ -485,6 +486,7 @@ static void __sta_info_unlink(struct sta_info **sta)
}
local->num_sta--;
+ local->sta_generation++;
if (local->ops->sta_notify) {
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7cffaa046b3..0c08d1e60cb 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -317,30 +317,30 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
if (!atomic_read(&tx->sdata->bss->num_sta_ps))
return TX_CONTINUE;
+ /* buffered in hardware */
+ if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)) {
+ info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+
+ return TX_CONTINUE;
+ }
+
/* buffered in mac80211 */
- if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) {
- if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
- purge_old_ps_buffers(tx->local);
- if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
- AP_MAX_BC_BUFFER) {
+ if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
+ purge_old_ps_buffers(tx->local);
+
+ if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: BC TX buffer full - "
- "dropping the oldest frame\n",
- tx->dev->name);
- }
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: BC TX buffer full - dropping the oldest frame\n",
+ tx->dev->name);
#endif
- dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
- } else
- tx->local->total_ps_buffered++;
- skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TX_QUEUED;
- }
+ dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
+ } else
+ tx->local->total_ps_buffered++;
- /* buffered in hardware */
- info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+ skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TX_CONTINUE;
+ return TX_QUEUED;
}
static int ieee80211_use_mfp(__le16 fc, struct sta_info *sta,
@@ -700,7 +700,6 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
/* for pure STA mode without beacons, we can do it */
hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number);
tx->sdata->sequence_number += 0x10;
- tx->sdata->sequence_number &= IEEE80211_SCTL_SEQ;
return TX_CONTINUE;
}
@@ -844,6 +843,23 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
}
static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
+{
+ struct sk_buff *skb = tx->skb;
+
+ if (!tx->sta)
+ return TX_CONTINUE;
+
+ tx->sta->tx_packets++;
+ do {
+ tx->sta->tx_fragments++;
+ tx->sta->tx_bytes += skb->len;
+ } while ((skb = skb->next));
+
+ return TX_CONTINUE;
+}
+
+static ieee80211_tx_result debug_noinline
ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
{
if (!tx->key)
@@ -887,23 +903,6 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx)
return TX_CONTINUE;
}
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
-{
- struct sk_buff *skb = tx->skb;
-
- if (!tx->sta)
- return TX_CONTINUE;
-
- tx->sta->tx_packets++;
- do {
- tx->sta->tx_fragments++;
- tx->sta->tx_bytes += skb->len;
- } while ((skb = skb->next));
-
- return TX_CONTINUE;
-}
-
/* actual transmit path */
/*
@@ -1154,6 +1153,9 @@ static int __ieee80211_tx(struct ieee80211_local *local,
next = skb->next;
len = skb->len;
+ if (next)
+ info->flags |= IEEE80211_TX_CTL_MORE_FRAMES;
+
sdata = vif_to_sdata(info->control.vif);
switch (sdata->vif.type) {
@@ -1210,9 +1212,9 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
CALL_TXH(ieee80211_tx_h_sequence)
CALL_TXH(ieee80211_tx_h_fragment)
/* handlers after fragment must be aware of tx info fragmentation! */
+ CALL_TXH(ieee80211_tx_h_stats)
CALL_TXH(ieee80211_tx_h_encrypt)
CALL_TXH(ieee80211_tx_h_calculate_duration)
- CALL_TXH(ieee80211_tx_h_stats)
#undef CALL_TXH
txh_done:
@@ -1410,16 +1412,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
- if (ieee80211_vif_is_mesh(&sdata->vif) &&
- ieee80211_is_data(hdr->frame_control)) {
- if (is_multicast_ether_addr(hdr->addr3))
- memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
- else
- if (mesh_nexthop_lookup(skb, sdata)) {
- dev_put(sdata->dev);
- return;
- }
- } else if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
+ if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
int hdrlen;
u16 len_rthdr;
@@ -1476,6 +1469,15 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
info->control.vif = &sdata->vif;
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ ieee80211_is_data(hdr->frame_control) &&
+ !is_multicast_ether_addr(hdr->addr1))
+ if (mesh_nexthop_lookup(skb, sdata)) {
+ /* skb queued: don't free */
+ dev_put(sdata->dev);
+ return;
+ }
+
ieee80211_select_queue(local, skb);
ieee80211_tx(sdata, skb, false);
dev_put(sdata->dev);
@@ -1617,52 +1619,58 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
break;
#ifdef CONFIG_MAC80211_MESH
case NL80211_IFTYPE_MESH_POINT:
- fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
/* Do not send frames with mesh_ttl == 0 */
sdata->u.mesh.mshstats.dropped_frames_ttl++;
ret = NETDEV_TX_OK;
goto fail;
}
- memset(&mesh_hdr, 0, sizeof(mesh_hdr));
if (compare_ether_addr(dev->dev_addr,
skb->data + ETH_ALEN) == 0) {
- /* RA TA DA SA */
- memset(hdr.addr1, 0, ETH_ALEN);
- memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
- memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
- meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
+ hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
+ skb->data, skb->data + ETH_ALEN);
+ meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
+ sdata, NULL, NULL, NULL);
} else {
/* packet from other interface */
struct mesh_path *mppath;
+ int is_mesh_mcast = 1;
+ char *mesh_da;
- memset(hdr.addr1, 0, ETH_ALEN);
- memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(hdr.addr4, dev->dev_addr, ETH_ALEN);
-
+ rcu_read_lock();
if (is_multicast_ether_addr(skb->data))
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
+ /* DA TA mSA AE:SA */
+ mesh_da = skb->data;
else {
- rcu_read_lock();
mppath = mpp_path_lookup(skb->data, sdata);
- if (mppath)
- memcpy(hdr.addr3, mppath->mpp, ETH_ALEN);
- else
- memset(hdr.addr3, 0xff, ETH_ALEN);
- rcu_read_unlock();
+ if (mppath) {
+ /* RA TA mDA mSA AE:DA SA */
+ mesh_da = mppath->mpp;
+ is_mesh_mcast = 0;
+ } else
+ /* DA TA mSA AE:SA */
+ mesh_da = dev->broadcast;
}
+ hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
+ mesh_da, dev->dev_addr);
+ rcu_read_unlock();
+ if (is_mesh_mcast)
+ meshhdrlen =
+ ieee80211_new_mesh_header(&mesh_hdr,
+ sdata,
+ skb->data + ETH_ALEN,
+ NULL,
+ NULL);
+ else
+ meshhdrlen =
+ ieee80211_new_mesh_header(&mesh_hdr,
+ sdata,
+ NULL,
+ skb->data,
+ skb->data + ETH_ALEN);
- mesh_hdr.flags |= MESH_FLAGS_AE_A5_A6;
- mesh_hdr.ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
- put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &mesh_hdr.seqnum);
- memcpy(mesh_hdr.eaddr1, skb->data, ETH_ALEN);
- memcpy(mesh_hdr.eaddr2, skb->data + ETH_ALEN, ETH_ALEN);
- sdata->u.mesh.mesh_seqnum++;
- meshhdrlen = 18;
}
- hdrlen = 30;
break;
#endif
case NL80211_IFTYPE_STATION:
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 07:01:08 +0000