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Diffstat (limited to 'net')
-rw-r--r--net/mac80211/cfg.c14
-rw-r--r--net/mac80211/iface.c8
-rw-r--r--net/mac80211/main.c3
-rw-r--r--net/mac80211/mesh.c116
-rw-r--r--net/mac80211/mesh.h105
-rw-r--r--net/mac80211/mesh_hwmp.c68
-rw-r--r--net/mac80211/mesh_pathtbl.c89
-rw-r--r--net/mac80211/mesh_plink.c134
-rw-r--r--net/mac80211/mesh_sync.c47
-rw-r--r--net/mac80211/rx.c12
-rw-r--r--net/mac80211/sta_info.h2
-rw-r--r--net/mac80211/trace.h6
-rw-r--r--net/mac80211/tx.c26
-rw-r--r--net/wireless/nl80211.c9
14 files changed, 307 insertions, 332 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 179dcbd8be1..09d96a8f6c2 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1500,13 +1500,13 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
return -ENOENT;
}
- err = mesh_path_add(dst, sdata);
+ err = mesh_path_add(sdata, dst);
if (err) {
rcu_read_unlock();
return err;
}
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENXIO;
@@ -1518,12 +1518,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
- u8 *dst)
+ u8 *dst)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (dst)
- return mesh_path_del(dst, sdata);
+ return mesh_path_del(sdata, dst);
mesh_path_flush_by_iface(sdata);
return 0;
@@ -1547,7 +1547,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
return -ENOENT;
}
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
@@ -1611,7 +1611,7 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- mpath = mesh_path_lookup(dst, sdata);
+ mpath = mesh_path_lookup(sdata, dst);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
@@ -1632,7 +1632,7 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- mpath = mesh_path_lookup_by_idx(idx, sdata);
+ mpath = mesh_path_lookup_by_idx(sdata, idx);
if (!mpath) {
rcu_read_unlock();
return -ENOENT;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 86c83084542..2c059e54e88 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -294,7 +294,8 @@ static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata)
}
}
- if ((sdata->vif.type != NL80211_IFTYPE_AP) ||
+ if ((sdata->vif.type != NL80211_IFTYPE_AP &&
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT) ||
!(sdata->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)) {
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
return 0;
@@ -695,6 +696,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_roc_purge(sdata);
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ ieee80211_mgd_stop(sdata);
+
/*
* Remove all stations associated with this interface.
*
@@ -782,8 +786,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
}
}
spin_unlock_irqrestore(&ps->bc_buf.lock, flags);
- } else if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- ieee80211_mgd_stop(sdata);
}
if (going_down)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f9747689d60..d0dd11153a6 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1173,8 +1173,7 @@ static void __exit ieee80211_exit(void)
rc80211_minstrel_ht_exit();
rc80211_minstrel_exit();
- if (mesh_allocated)
- ieee80211s_stop();
+ ieee80211s_stop();
ieee80211_iface_exit();
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a77d40ed4e6..29ce2aa87e7 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -17,7 +17,7 @@
#define TMR_RUNNING_MP 1
#define TMR_RUNNING_MPR 2
-int mesh_allocated;
+static int mesh_allocated;
static struct kmem_cache *rm_cache;
bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt)
@@ -36,6 +36,8 @@ void ieee80211s_init(void)
void ieee80211s_stop(void)
{
+ if (!mesh_allocated)
+ return;
mesh_pathtbl_unregister();
kmem_cache_destroy(rm_cache);
}
@@ -90,24 +92,22 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
(ifmsh->mesh_cc_id == ie->mesh_config->meshconf_congest) &&
(ifmsh->mesh_sp_id == ie->mesh_config->meshconf_synch) &&
(ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
- goto mismatch;
+ return false;
ieee80211_sta_get_rates(local, ie, ieee80211_get_sdata_band(sdata),
&basic_rates);
if (sdata->vif.bss_conf.basic_rates != basic_rates)
- goto mismatch;
+ return false;
ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan,
ie->ht_operation, &sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
&sta_chan_def))
- goto mismatch;
+ return false;
return true;
-mismatch:
- return false;
}
/**
@@ -118,7 +118,7 @@ mismatch:
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
{
return (ie->mesh_config->meshconf_cap &
- IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
+ IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS) != 0;
}
/**
@@ -196,11 +196,12 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)
if (!sdata->u.mesh.rmc)
return;
- for (i = 0; i < RMC_BUCKETS; i++)
+ for (i = 0; i < RMC_BUCKETS; i++) {
list_for_each_entry_safe(p, n, &rmc->bucket[i], list) {
list_del(&p->list);
kmem_cache_free(rm_cache, p);
}
+ }
kfree(rmc);
sdata->u.mesh.rmc = NULL;
@@ -209,6 +210,7 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)
/**
* mesh_rmc_check - Check frame in recent multicast cache and add if absent.
*
+ * @sdata: interface
* @sa: source address
* @mesh_hdr: mesh_header
*
@@ -218,8 +220,8 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)
* received this frame lately. If the frame is not in the cache, it is added to
* it.
*/
-int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
- struct ieee80211_sub_if_data *sdata)
+int mesh_rmc_check(struct ieee80211_sub_if_data *sdata,
+ const u8 *sa, struct ieee80211s_hdr *mesh_hdr)
{
struct mesh_rmc *rmc = sdata->u.mesh.rmc;
u32 seqnum = 0;
@@ -233,12 +235,11 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
list_for_each_entry_safe(p, n, &rmc->bucket[idx], list) {
++entries;
if (time_after(jiffies, p->exp_time) ||
- (entries == RMC_QUEUE_MAX_LEN)) {
+ entries == RMC_QUEUE_MAX_LEN) {
list_del(&p->list);
kmem_cache_free(rm_cache, p);
--entries;
- } else if ((seqnum == p->seqnum) &&
- (ether_addr_equal(sa, p->sa)))
+ } else if ((seqnum == p->seqnum) && ether_addr_equal(sa, p->sa))
return -1;
}
@@ -253,8 +254,8 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
return 0;
}
-int
-mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 *pos, neighbors;
@@ -285,19 +286,18 @@ mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
/* Mesh capability */
*pos = IEEE80211_MESHCONF_CAPAB_FORWARDING;
*pos |= ifmsh->accepting_plinks ?
- IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
+ IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
/* Mesh PS mode. See IEEE802.11-2012 8.4.2.100.8 */
*pos |= ifmsh->ps_peers_deep_sleep ?
- IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL : 0x00;
+ IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL : 0x00;
*pos++ |= ifmsh->adjusting_tbtt ?
- IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00;
+ IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING : 0x00;
*pos++ = 0x00;
return 0;
}
-int
-mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 *pos;
@@ -314,8 +314,8 @@ mesh_add_meshid_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
return 0;
}
-int mesh_add_awake_window_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+static int mesh_add_awake_window_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 *pos;
@@ -337,8 +337,8 @@ int mesh_add_awake_window_ie(struct sk_buff *skb,
return 0;
}
-int
-mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 offset, len;
@@ -361,8 +361,7 @@ mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
return 0;
}
-int
-mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
+int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u8 len = 0;
@@ -390,8 +389,8 @@ mesh_add_rsn_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
return 0;
}
-int mesh_add_ds_params_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+static int mesh_add_ds_params_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_chanctx_conf *chanctx_conf;
struct ieee80211_channel *chan;
@@ -417,8 +416,8 @@ int mesh_add_ds_params_ie(struct sk_buff *skb,
return 0;
}
-int mesh_add_ht_cap_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
@@ -439,8 +438,8 @@ int mesh_add_ht_cap_ie(struct sk_buff *skb,
return 0;
}
-int mesh_add_ht_oper_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_chanctx_conf *chanctx_conf;
@@ -475,6 +474,7 @@ int mesh_add_ht_oper_ie(struct sk_buff *skb,
return 0;
}
+
static void ieee80211_mesh_path_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
@@ -520,7 +520,7 @@ void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
/**
* ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
- * @hdr: 802.11 frame header
+ * @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
@@ -551,8 +551,8 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
/**
* ieee80211_new_mesh_header - create a new mesh header
- * @meshhdr: uninitialized mesh header
* @sdata: mesh interface to be used
+ * @meshhdr: uninitialized mesh header
* @addr4or5: 1st address in the ae header, which may correspond to address 4
* (if addr6 is NULL) or address 5 (if addr6 is present). It may
* be NULL.
@@ -561,32 +561,38 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
*
* Return the header length.
*/
-int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
- struct ieee80211_sub_if_data *sdata, char *addr4or5,
- char *addr6)
+int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211s_hdr *meshhdr,
+ const char *addr4or5, const char *addr6)
{
- int aelen = 0;
- BUG_ON(!addr4or5 && addr6);
+ if (WARN_ON(!addr4or5 && addr6))
+ return 0;
+
memset(meshhdr, 0, sizeof(*meshhdr));
+
meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+
+ /* FIXME: racy -- TX on multiple queues can be concurrent */
put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum);
sdata->u.mesh.mesh_seqnum++;
+
if (addr4or5 && !addr6) {
meshhdr->flags |= MESH_FLAGS_AE_A4;
- aelen += ETH_ALEN;
memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN);
+ return 2 * ETH_ALEN;
} else if (addr4or5 && addr6) {
meshhdr->flags |= MESH_FLAGS_AE_A5_A6;
- aelen += 2 * ETH_ALEN;
memcpy(meshhdr->eaddr1, addr4or5, ETH_ALEN);
memcpy(meshhdr->eaddr2, addr6, ETH_ALEN);
+ return 3 * ETH_ALEN;
}
- return 6 + aelen;
+
+ return ETH_ALEN;
}
-static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_mesh *ifmsh)
+static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u32 changed;
ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
@@ -596,7 +602,8 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
ieee80211_mbss_info_change_notify(sdata, changed);
mod_timer(&ifmsh->housekeeping_timer,
- round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
+ round_jiffies(jiffies +
+ IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
}
static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata)
@@ -708,7 +715,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
*pos++ = 0x0;
if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
- mesh_add_ds_params_ie(skb, sdata))
+ mesh_add_ds_params_ie(sdata, skb))
goto out_free;
bcn->head_len = skb->len;
@@ -719,13 +726,13 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
bcn->tail = bcn->head + bcn->head_len;
if (ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||
- mesh_add_rsn_ie(skb, sdata) ||
- mesh_add_ht_cap_ie(skb, sdata) ||
- mesh_add_ht_oper_ie(skb, sdata) ||
- mesh_add_meshid_ie(skb, sdata) ||
- mesh_add_meshconf_ie(skb, sdata) ||
- mesh_add_awake_window_ie(skb, sdata) ||
- mesh_add_vendor_ies(skb, sdata))
+ mesh_add_rsn_ie(sdata, skb) ||
+ mesh_add_ht_cap_ie(sdata, skb) ||
+ mesh_add_ht_oper_ie(sdata, skb) ||
+ mesh_add_meshid_ie(sdata, skb) ||
+ mesh_add_meshconf_ie(sdata, skb) ||
+ mesh_add_awake_window_ie(sdata, skb) ||
+ mesh_add_vendor_ies(sdata, skb))
goto out_free;
bcn->tail_len = skb->len;
@@ -918,7 +925,6 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
memcpy(hdr->da, mgmt->sa, ETH_ALEN);
- mpl_dbg(sdata, "sending probe resp. to %pM\n", hdr->da);
IEEE80211_SKB_CB(presp)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
ieee80211_tx_skb(sdata, presp);
out:
@@ -1039,7 +1045,7 @@ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)
mesh_mpp_table_grow();
if (test_and_clear_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags))
- ieee80211_mesh_housekeeping(sdata, ifmsh);
+ ieee80211_mesh_housekeeping(sdata);
if (test_and_clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags))
ieee80211_mesh_rootpath(sdata);
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 1a1da877b1d..336c88a1668 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -26,12 +26,12 @@
* @MESH_PATH_ACTIVE: the mesh path can be used for forwarding
* @MESH_PATH_RESOLVING: the discovery process is running for this mesh path
* @MESH_PATH_SN_VALID: the mesh path contains a valid destination sequence
- * number
+ * number
* @MESH_PATH_FIXED: the mesh path has been manually set and should not be
- * modified
+ * modified
* @MESH_PATH_RESOLVED: the mesh path can has been resolved
* @MESH_PATH_REQ_QUEUED: there is an unsent path request for this destination
- * already queued up, waiting for the discovery process to start.
+ * already queued up, waiting for the discovery process to start.
*
* MESH_PATH_RESOLVED is used by the mesh path timer to
* decide when to stop or cancel the mesh path discovery.
@@ -73,16 +73,16 @@ enum mesh_deferred_task_flags {
* @dst: mesh path destination mac address
* @sdata: mesh subif
* @next_hop: mesh neighbor to which frames for this destination will be
- * forwarded
+ * forwarded
* @timer: mesh path discovery timer
* @frame_queue: pending queue for frames sent to this destination while the
- * path is unresolved
+ * path is unresolved
* @sn: target sequence number
* @metric: current metric to this destination
* @hop_count: hops to destination
* @exp_time: in jiffies, when the path will expire or when it expired
* @discovery_timeout: timeout (lapse in jiffies) used for the last discovery
- * retry
+ * retry
* @discovery_retries: number of discovery retries
* @flags: mesh path flags, as specified on &enum mesh_path_flags
* @state_lock: mesh path state lock used to protect changes to the
@@ -206,38 +206,33 @@ struct mesh_rmc {
/* Various */
int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
const u8 *da, const u8 *sa);
-int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
- struct ieee80211_sub_if_data *sdata, char *addr4or5,
- char *addr6);
-int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
- struct ieee80211_sub_if_data *sdata);
+int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211s_hdr *meshhdr,
+ const char *addr4or5, const char *addr6);
+int mesh_rmc_check(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr, struct ieee80211s_hdr *mesh_hdr);
bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *ie);
void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
-void mesh_mgmt_ies_add(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_meshconf_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_meshid_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_rsn_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_awake_window_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_vendor_ies(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_ds_params_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_ht_cap_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_add_ht_oper_ie(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
+void mesh_mgmt_ies_add(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_meshconf_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_meshid_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_rsn_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_vendor_ies(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
void ieee80211s_update_metric(struct ieee80211_local *local,
- struct sta_info *sta, struct sk_buff *skb);
-void ieee80211s_stop(void);
+ struct sta_info *sta, struct sk_buff *skb);
void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata);
@@ -263,31 +258,32 @@ void ieee80211_mps_frame_release(struct sta_info *sta,
struct ieee802_11_elems *elems);
/* Mesh paths */
-int mesh_nexthop_lookup(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
-int mesh_nexthop_resolve(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
+int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata);
-struct mesh_path *mesh_path_lookup(const u8 *dst,
- struct ieee80211_sub_if_data *sdata);
-struct mesh_path *mpp_path_lookup(u8 *dst,
- struct ieee80211_sub_if_data *sdata);
-int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata);
-struct mesh_path *mesh_path_lookup_by_idx(int idx,
- struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mesh_path_lookup(struct ieee80211_sub_if_data *sdata,
+ const u8 *dst);
+struct mesh_path *mpp_path_lookup(struct ieee80211_sub_if_data *sdata,
+ const u8 *dst);
+int mpp_path_add(struct ieee80211_sub_if_data *sdata,
+ const u8 *dst, const u8 *mpp);
+struct mesh_path *
+mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx);
void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop);
void mesh_path_expire(struct ieee80211_sub_if_data *sdata);
void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len);
-int mesh_path_add(const u8 *dst, struct ieee80211_sub_if_data *sdata);
+ struct ieee80211_mgmt *mgmt, size_t len);
+int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst);
int mesh_path_add_gate(struct mesh_path *mpath);
int mesh_path_send_to_gates(struct mesh_path *mpath);
int mesh_gate_num(struct ieee80211_sub_if_data *sdata);
+
/* Mesh plinks */
void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
- u8 *hw_addr,
- struct ieee802_11_elems *ie);
+ u8 *hw_addr, struct ieee802_11_elems *ie);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_broken(struct sta_info *sta);
@@ -304,19 +300,19 @@ void mesh_sta_cleanup(struct sta_info *sta);
void mesh_mpath_table_grow(void);
void mesh_mpp_table_grow(void);
/* Mesh paths */
-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);
+int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
+ u8 ttl, const u8 *target, __le32 target_sn,
+ __le16 target_rcode, const u8 *ra);
void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
void mesh_path_flush_pending(struct mesh_path *mpath);
void mesh_path_tx_pending(struct mesh_path *mpath);
int mesh_pathtbl_init(void);
void mesh_pathtbl_unregister(void);
-int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata);
+int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr);
void mesh_path_timer(unsigned long data);
void mesh_path_flush_by_nexthop(struct sta_info *sta);
-void mesh_path_discard_frame(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata);
+void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata);
void mesh_path_restart(struct ieee80211_sub_if_data *sdata);
void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata);
@@ -325,8 +321,6 @@ bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt);
extern int mesh_paths_generation;
#ifdef CONFIG_MAC80211_MESH
-extern int mesh_allocated;
-
static inline
u32 mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
{
@@ -371,8 +365,8 @@ void mesh_plink_quiesce(struct sta_info *sta);
void mesh_plink_restart(struct sta_info *sta);
void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata);
void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata);
+void ieee80211s_stop(void);
#else
-#define mesh_allocated 0
static inline void
ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {}
static inline void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata)
@@ -385,6 +379,7 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
{ return false; }
static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata)
{}
+static inline void ieee80211s_stop(void) {}
#endif
#endif /* IEEE80211S_H */
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 585c1e26cca..bdb8d3b1458 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -238,9 +238,9 @@ 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, const u8 *target, __le32 target_sn,
- __le16 target_rcode, const u8 *ra,
- struct ieee80211_sub_if_data *sdata)
+int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
+ u8 ttl, const u8 *target, __le32 target_sn,
+ __le16 target_rcode, const u8 *ra)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@@ -430,7 +430,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
process = false;
fresh_info = false;
} else {
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (mpath) {
spin_lock_bh(&mpath->state_lock);
if (mpath->flags & MESH_PATH_FIXED)
@@ -445,8 +445,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
}
}
} else {
- mesh_path_add(orig_addr, sdata);
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mesh_path_add(sdata, orig_addr);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (!mpath) {
rcu_read_unlock();
return 0;
@@ -478,7 +478,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
else {
fresh_info = true;
- mpath = mesh_path_lookup(ta, sdata);
+ mpath = mesh_path_lookup(sdata, ta);
if (mpath) {
spin_lock_bh(&mpath->state_lock);
if ((mpath->flags & MESH_PATH_FIXED) ||
@@ -486,8 +486,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
(last_hop_metric > mpath->metric)))
fresh_info = false;
} else {
- mesh_path_add(ta, sdata);
- mpath = mesh_path_lookup(ta, sdata);
+ mesh_path_add(sdata, ta);
+ mpath = mesh_path_lookup(sdata, ta);
if (!mpath) {
rcu_read_unlock();
return 0;
@@ -553,7 +553,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
} else if (is_broadcast_ether_addr(target_addr) &&
(target_flags & IEEE80211_PREQ_TO_FLAG)) {
rcu_read_lock();
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (mpath) {
if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) {
reply = true;
@@ -568,7 +568,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
} else {
rcu_read_lock();
- mpath = mesh_path_lookup(target_addr, sdata);
+ mpath = mesh_path_lookup(sdata, target_addr);
if (mpath) {
if ((!(mpath->flags & MESH_PATH_SN_VALID)) ||
SN_LT(mpath->sn, target_sn)) {
@@ -678,7 +678,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
}
rcu_read_lock();
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (mpath)
spin_lock_bh(&mpath->state_lock);
else
@@ -736,7 +736,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
target_rcode = PERR_IE_TARGET_RCODE(perr_elem);
rcu_read_lock();
- mpath = mesh_path_lookup(target_addr, sdata);
+ mpath = mesh_path_lookup(sdata, target_addr);
if (mpath) {
struct sta_info *sta;
@@ -751,9 +751,10 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
spin_unlock_bh(&mpath->state_lock);
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto endperr;
- mesh_path_error_tx(ttl, target_addr, cpu_to_le32(target_sn),
+ mesh_path_error_tx(sdata, ttl, target_addr,
+ cpu_to_le32(target_sn),
cpu_to_le16(target_rcode),
- broadcast_addr, sdata);
+ broadcast_addr);
} else
spin_unlock_bh(&mpath->state_lock);
}
@@ -801,10 +802,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
metric_txsta = airtime_link_metric_get(local, sta);
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (!mpath) {
- mesh_path_add(orig_addr, sdata);
- mpath = mesh_path_lookup(orig_addr, sdata);
+ mesh_path_add(sdata, orig_addr);
+ mpath = mesh_path_lookup(sdata, orig_addr);
if (!mpath) {
rcu_read_unlock();
sdata->u.mesh.mshstats.dropped_frames_no_route++;
@@ -861,8 +862,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct ieee802_11_elems elems;
size_t baselen;
@@ -1006,7 +1006,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
spin_unlock_bh(&ifmsh->mesh_preq_queue_lock);
rcu_read_lock();
- mpath = mesh_path_lookup(preq_node->dst, sdata);
+ mpath = mesh_path_lookup(sdata, preq_node->dst);
if (!mpath)
goto enddiscovery;
@@ -1076,8 +1076,8 @@ enddiscovery:
* Returns: 0 if the next hop was found and -ENOENT if the frame was queued.
* skb is freeed here if no mpath could be allocated.
*/
-int mesh_nexthop_resolve(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1091,17 +1091,17 @@ int mesh_nexthop_resolve(struct sk_buff *skb,
return 0;
rcu_read_lock();
- err = mesh_nexthop_lookup(skb, sdata);
+ err = mesh_nexthop_lookup(sdata, skb);
if (!err)
goto endlookup;
/* no nexthop found, start resolving */
- mpath = mesh_path_lookup(target_addr, sdata);
+ mpath = mesh_path_lookup(sdata, target_addr);
if (!mpath) {
- mesh_path_add(target_addr, sdata);
- mpath = mesh_path_lookup(target_addr, sdata);
+ mesh_path_add(sdata, target_addr);
+ mpath = mesh_path_lookup(sdata, target_addr);
if (!mpath) {
- mesh_path_discard_frame(skb, sdata);
+ mesh_path_discard_frame(sdata, skb);
err = -ENOSPC;
goto endlookup;
}
@@ -1118,12 +1118,13 @@ int mesh_nexthop_resolve(struct sk_buff *skb,
skb_queue_tail(&mpath->frame_queue, skb);
err = -ENOENT;
if (skb_to_free)
- mesh_path_discard_frame(skb_to_free, sdata);
+ mesh_path_discard_frame(sdata, skb_to_free);
endlookup:
rcu_read_unlock();
return err;
}
+
/**
* mesh_nexthop_lookup - put the appropriate next hop on a mesh frame. Calling
* this function is considered "using" the associated mpath, so preempt a path
@@ -1134,8 +1135,8 @@ endlookup:
*
* Returns: 0 if the next hop was found. Nonzero otherwise.
*/
-int mesh_nexthop_lookup(struct sk_buff *skb,
- struct ieee80211_sub_if_data *sdata)
+int mesh_nexthop_lookup(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
{
struct mesh_path *mpath;
struct sta_info *next_hop;
@@ -1144,7 +1145,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
int err = -ENOENT;
rcu_read_lock();
- mpath = mesh_path_lookup(target_addr, sdata);
+ mpath = mesh_path_lookup(sdata, target_addr);
if (!mpath || !(mpath->flags & MESH_PATH_ACTIVE))
goto endlookup;
@@ -1203,8 +1204,7 @@ void mesh_path_timer(unsigned long data)
}
}
-void
-mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
+void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 2ce4c4023a9..6b3c4e119c6 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -24,9 +24,12 @@
/* Keep the mean chain length below this constant */
#define MEAN_CHAIN_LEN 2
-#define MPATH_EXPIRED(mpath) ((mpath->flags & MESH_PATH_ACTIVE) && \
- time_after(jiffies, mpath->exp_time) && \
- !(mpath->flags & MESH_PATH_FIXED))
+static inline bool mpath_expired(struct mesh_path *mpath)
+{
+ return (mpath->flags & MESH_PATH_ACTIVE) &&
+ time_after(jiffies, mpath->exp_time) &&
+ !(mpath->flags & MESH_PATH_FIXED);
+}
struct mpath_node {
struct hlist_node list;
@@ -185,8 +188,8 @@ static u32 mesh_table_hash(const u8 *addr, struct ieee80211_sub_if_data *sdata,
struct mesh_table *tbl)
{
/* Use last four bytes of hw addr and interface index as hash index */
- return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, tbl->hash_rnd)
- & tbl->hash_mask;
+ return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex,
+ tbl->hash_rnd) & tbl->hash_mask;
}
@@ -339,7 +342,7 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst,
mpath = node->mpath;
if (mpath->sdata == sdata &&
ether_addr_equal(dst, mpath->dst)) {
- if (MPATH_EXPIRED(mpath)) {
+ if (mpath_expired(mpath)) {
spin_lock_bh(&mpath->state_lock);
mpath->flags &= ~MESH_PATH_ACTIVE;
spin_unlock_bh(&mpath->state_lock);
@@ -352,20 +355,21 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst,
/**
* mesh_path_lookup - look up a path in the mesh path table
- * @dst: hardware address (ETH_ALEN length) of destination
* @sdata: local subif
+ * @dst: hardware address (ETH_ALEN length) of destination
*
* Returns: po