mac80211: clean up mesh code
Various cleanups, reducing the #ifdef mess and other things.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b1befac..6ac4923 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -15,9 +15,7 @@
#include "ieee80211_i.h"
#include "cfg.h"
#include "ieee80211_rate.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#define DEFAULT_RATES 0
@@ -119,14 +117,10 @@
ieee80211_if_reinit(dev);
ieee80211_if_set_type(dev, itype);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
- params->mesh_id_len) {
- sdata->u.sta.mesh_id_len = params->mesh_id_len;
- memcpy(sdata->u.sta.mesh_id, params->mesh_id,
- params->mesh_id_len);
- }
-#endif
+ if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
+ ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
+ params->mesh_id_len,
+ params->mesh_id);
if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags)
return 0;
@@ -317,9 +311,7 @@
static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
-#ifdef CONFIG_MAC80211_MESH
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-#endif
sinfo->filled = STATION_INFO_INACTIVE_TIME |
STATION_INFO_RX_BYTES |
@@ -329,8 +321,8 @@
sinfo->rx_bytes = sta->rx_bytes;
sinfo->tx_bytes = sta->tx_bytes;
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
sinfo->filled |= STATION_INFO_LLID |
STATION_INFO_PLID |
STATION_INFO_PLINK_STATE;
@@ -338,8 +330,8 @@
sinfo->llid = le16_to_cpu(sta->llid);
sinfo->plid = le16_to_cpu(sta->plid);
sinfo->plink_state = sta->plink_state;
- }
#endif
+ }
}
@@ -580,9 +572,7 @@
u32 rates;
int i, j;
struct ieee80211_supported_band *sband;
-#ifdef CONFIG_MAC80211_MESH
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-#endif
if (params->station_flags & STATION_FLAG_CHANGED) {
sta->flags &= ~WLAN_STA_AUTHORIZED;
@@ -621,9 +611,7 @@
sta->supp_rates[local->oper_channel->band] = rates;
}
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
- params->plink_action)
+ if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
switch (params->plink_action) {
case PLINK_ACTION_OPEN:
mesh_plink_open(sta);
@@ -632,7 +620,7 @@
mesh_plink_block(sta);
break;
}
-#endif
+ }
}
static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
@@ -655,11 +643,9 @@
} else
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ if (ieee80211_vif_is_mesh(&sdata->vif))
sta = mesh_plink_add(mac, DEFAULT_RATES, dev);
else
-#endif
sta = sta_info_add(local, dev, mac, GFP_KERNEL);
if (IS_ERR(sta))
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 7106d651..727af29 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -26,9 +26,7 @@
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#include "wep.h"
#include "wme.h"
#include "aes_ccm.h"
@@ -938,11 +936,9 @@
conf.bssid = sdata->u.sta.bssid;
conf.ssid = sdata->u.sta.ssid;
conf.ssid_len = sdata->u.sta.ssid_len;
-#ifdef CONFIG_MAC80211_MESH
- } else if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
+ } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
conf.beacon = beacon;
ieee80211_start_mesh(dev);
-#endif
} else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
conf.ssid = sdata->u.ap.ssid;
conf.ssid_len = sdata->u.ap.ssid_len;
@@ -1824,10 +1820,9 @@
rc80211_simple_exit();
rc80211_pid_exit();
-#ifdef CONFIG_MAC80211_MESH
if (mesh_allocated)
ieee80211s_stop();
-#endif
+
ieee80211_wme_unregister();
ieee80211_debugfs_netdev_exit();
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 49466b6..7394c9b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -93,9 +93,8 @@
#ifdef CONFIG_MAC80211_MESH
u8 *mesh_id;
size_t mesh_id_len;
-#endif
- /* mesh_cfg left out the ifdef to reduce clutter on bss handling */
u8 *mesh_cfg;
+#endif
#define IEEE80211_MAX_SUPP_RATES 32
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
size_t supp_rates_len;
@@ -113,6 +112,30 @@
u8 erp_value;
};
+static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_cfg;
+#endif
+ return NULL;
+}
+
+static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_id;
+#endif
+ return NULL;
+}
+
+static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss)
+{
+#ifdef CONFIG_MAC80211_MESH
+ return bss->mesh_id_len;
+#endif
+ return 0;
+}
+
typedef unsigned __bitwise__ ieee80211_tx_result;
#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
@@ -233,7 +256,6 @@
struct list_head list;
};
-#ifdef CONFIG_MAC80211_MESH
struct mesh_stats {
__u32 fwded_frames; /* Mesh forwarded frames */
__u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
@@ -249,7 +271,6 @@
u8 flags;
};
-
struct mesh_config {
/* Timeouts in ms */
/* Mesh plink management parameters */
@@ -268,7 +289,7 @@
u32 path_refresh_time;
u16 min_discovery_timeout;
};
-#endif
+
/* flags used in struct ieee80211_if_sta.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
@@ -361,6 +382,22 @@
int num_beacons; /* number of TXed beacon frames by this STA */
};
+static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta,
+ u8 mesh_id_len, u8 *mesh_id)
+{
+#ifdef CONFIG_MAC80211_MESH
+ ifsta->mesh_id_len = mesh_id_len;
+ memcpy(ifsta->mesh_id, mesh_id, mesh_id_len);
+#endif
+}
+
+#ifdef CONFIG_MAC80211_MESH
+#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+ do { (sta)->mshstats.name++; } while (0)
+#else
+#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+ do { } while (0)
+#endif
/* flags used in struct ieee80211_sub_if_data.flags */
#define IEEE80211_SDATA_ALLMULTI BIT(0)
@@ -472,7 +509,7 @@
struct dentry *dropped_frames_ttl;
struct dentry *dropped_frames_no_route;
struct dentry *estab_plinks;
- struct timer_list mesh_path_timer;
+ struct timer_list mesh_path_timer;
} mesh_stats;
struct dentry *mesh_config_dir;
@@ -884,12 +921,17 @@
u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
struct ieee802_11_elems *elems,
enum ieee80211_band band);
-void ieee80211_start_mesh(struct net_device *dev);
void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
int encrypt);
void ieee802_11_parse_elems(u8 *start, size_t len,
struct ieee802_11_elems *elems);
+#ifdef CONFIG_MAC80211_MESH
+void ieee80211_start_mesh(struct net_device *dev);
+#else
+static inline void ieee80211_start_mesh(struct net_device *dev)
+{}
+#endif
/* ieee80211_iface.c */
int ieee80211_if_add(struct net_device *dev, const char *name,
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index c2f92b7..b0f17a2 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -15,9 +15,7 @@
#include "ieee80211_i.h"
#include "sta_info.h"
#include "debugfs_netdev.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
{
@@ -82,14 +80,11 @@
ieee80211_debugfs_add_netdev(sdata);
ieee80211_if_set_type(ndev, type);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
- params && params->mesh_id_len) {
- sdata->u.sta.mesh_id_len = params->mesh_id_len;
- memcpy(sdata->u.sta.mesh_id, params->mesh_id,
- params->mesh_id_len);
- }
-#endif
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ params && params->mesh_id_len)
+ ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
+ params->mesh_id_len,
+ params->mesh_id);
/* we're under RTNL so all this is fine */
if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) {
@@ -170,47 +165,8 @@
msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
sdata->bss = &msdata->u.ap;
-#ifdef CONFIG_MAC80211_MESH
- if (type == IEEE80211_IF_TYPE_MESH_POINT) {
- 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(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);
- }
-#endif
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ ieee80211_mesh_init_sdata(sdata);
break;
}
case IEEE80211_IF_TYPE_MNTR:
@@ -240,6 +196,10 @@
ieee80211_if_sdata_deinit(sdata);
+ /* Need to handle mesh specially to allow eliding the function call */
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ mesh_rmc_free(dev);
+
switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_INVALID:
/* cannot happen */
@@ -292,10 +252,6 @@
}
break;
case IEEE80211_IF_TYPE_MESH_POINT:
-#ifdef CONFIG_MAC80211_MESH
- mesh_rmc_free(dev);
-#endif
- /* fall through */
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
kfree(sdata->u.sta.extra_ie);
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index d2dedcb..9f933ae 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -31,9 +31,7 @@
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "ieee80211_led.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_MAX_TRIES 3
@@ -1897,12 +1895,13 @@
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
u8 hash_idx;
-#ifdef CONFIG_MAC80211_MESH
- if (bss->mesh_cfg)
- hash_idx = mesh_id_hash(bss->mesh_id, bss->mesh_id_len);
+
+ if (bss_mesh_cfg(bss))
+ hash_idx = mesh_id_hash(bss_mesh_id(bss),
+ bss_mesh_id_len(bss));
else
-#endif
hash_idx = STA_HASH(bss->bssid);
+
bss->hnext = local->sta_bss_hash[hash_idx];
local->sta_bss_hash[hash_idx] = bss;
}
@@ -1967,7 +1966,8 @@
spin_lock_bh(&local->sta_bss_lock);
bss = local->sta_bss_hash[STA_HASH(bssid)];
while (bss) {
- if (!bss->mesh_cfg && !memcmp(bss->bssid, bssid, ETH_ALEN) &&
+ if (!bss_mesh_cfg(bss) &&
+ !memcmp(bss->bssid, bssid, ETH_ALEN) &&
bss->freq == freq &&
bss->ssid_len == ssid_len &&
(ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) {
@@ -1991,8 +1991,8 @@
spin_lock_bh(&local->sta_bss_lock);
bss = local->sta_bss_hash[mesh_id_hash(mesh_id, mesh_id_len)];
while (bss) {
- if (bss->mesh_cfg &&
- !memcmp(bss->mesh_cfg, mesh_cfg, MESH_CFG_CMP_LEN) &&
+ if (bss_mesh_cfg(bss) &&
+ !memcmp(bss_mesh_cfg(bss), mesh_cfg, MESH_CFG_CMP_LEN) &&
bss->freq == freq &&
mesh_id_len == bss->mesh_id_len &&
(mesh_id_len == 0 || !memcmp(bss->mesh_id, mesh_id,
@@ -2053,10 +2053,8 @@
kfree(bss->rsn_ie);
kfree(bss->wmm_ie);
kfree(bss->ht_ie);
-#ifdef CONFIG_MAC80211_MESH
- kfree(bss->mesh_id);
- kfree(bss->mesh_cfg);
-#endif
+ kfree(bss_mesh_id(bss));
+ kfree(bss_mesh_cfg(bss));
kfree(bss);
}
@@ -2322,16 +2320,14 @@
beacon_timestamp = le64_to_cpu(mgmt->u.beacon.timestamp);
ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT && elems.mesh_id
- && elems.mesh_config)
- if (mesh_matches_local(&elems, dev)) {
- u64 rates = ieee80211_sta_get_rates(local, &elems,
- rx_status->band);
- mesh_neighbour_update(mgmt->sa, rates, dev,
- mesh_peer_accepts_plinks(&elems, dev));
- }
-#endif
+ if (ieee80211_vif_is_mesh(&sdata->vif) && elems.mesh_id &&
+ elems.mesh_config && mesh_matches_local(&elems, dev)) {
+ u64 rates = ieee80211_sta_get_rates(local, &elems,
+ rx_status->band);
+
+ mesh_neighbour_update(mgmt->sa, rates, dev,
+ mesh_peer_accepts_plinks(&elems, dev));
+ }
if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates &&
memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 &&
@@ -2712,9 +2708,7 @@
size_t len,
struct ieee80211_rx_status *rx_status)
{
-#ifdef CONFIG_MAC80211_MESH
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-#endif
if (len < IEEE80211_MIN_ACTION_SIZE)
return;
@@ -2747,17 +2741,14 @@
break;
}
break;
-#ifdef CONFIG_MAC80211_MESH
case PLINK_CATEGORY:
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_rx_plink_frame(dev, mgmt, len, rx_status);
break;
-
case MESH_PATH_SEL_CATEGORY:
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_rx_path_sel_frame(dev, mgmt, len);
break;
-#endif
default:
if (net_ratelimit())
printk(KERN_DEBUG "%s: Rx unknown action frame - "
@@ -3027,8 +3018,9 @@
ieee80211_sta_rx_queued_mgmt(dev, skb);
#ifdef CONFIG_MAC80211_MESH
- if (ifsta->preq_queue_len && time_after(jiffies, ifsta->last_preq +
- msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval)))
+ if (ifsta->preq_queue_len &&
+ time_after(jiffies,
+ ifsta->last_preq + msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval)))
mesh_path_start_discovery(dev);
#endif
@@ -3810,13 +3802,11 @@
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWESSID;
- if (bss->mesh_cfg) {
-#ifdef CONFIG_MAC80211_MESH
- iwe.u.data.length = bss->mesh_id_len;
+ if (bss_mesh_cfg(bss)) {
+ iwe.u.data.length = bss_mesh_id_len(bss);
iwe.u.data.flags = 1;
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->mesh_id);
-#endif
+ bss_mesh_id(bss));
} else {
iwe.u.data.length = bss->ssid_len;
iwe.u.data.flags = 1;
@@ -3825,10 +3815,10 @@
}
if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS
- || bss->mesh_cfg)) {
+ || bss_mesh_cfg(bss))) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWMODE;
- if (bss->mesh_cfg)
+ if (bss_mesh_cfg(bss))
iwe.u.mode = IW_MODE_MESH;
else if (bss->capability & WLAN_CAPABILITY_ESS)
iwe.u.mode = IW_MODE_MASTER;
@@ -3919,9 +3909,9 @@
}
}
- if (bss->mesh_cfg) {
+ if (bss_mesh_cfg(bss)) {
char *buf;
- u8 *cfg = bss->mesh_cfg;
+ u8 *cfg = bss_mesh_cfg(bss);
buf = kmalloc(200, GFP_ATOMIC);
if (buf) {
memset(&iwe, 0, sizeof(iwe));
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 8ff5330..ebe1a7a 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -381,3 +381,70 @@
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);
+}
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index ac89237..d565b3f 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -11,10 +11,10 @@
#ifndef IEEE80211S_H
#define IEEE80211S_H
-#include "ieee80211_i.h"
+#include <linux/types.h>
#include <linux/jhash.h>
+#include "ieee80211_i.h"
-extern int mesh_allocated;
/* Data structures */
@@ -211,6 +211,8 @@
int mesh_rmc_init(struct net_device *dev);
void ieee80211s_init(void);
void ieee80211s_stop(void);
+void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
+
/* Mesh paths */
int mesh_nexthop_lookup(u8 *next_hop, struct sk_buff *skb,
struct net_device *dev);
@@ -257,6 +259,9 @@
void mesh_path_flush_by_nexthop(struct sta_info *sta);
void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev);
+#ifdef CONFIG_MAC80211_MESH
+extern int mesh_allocated;
+
static inline int mesh_plink_free_count(struct ieee80211_sub_if_data *sdata)
{
return sdata->u.sta.mshcfg.dot11MeshMaxPeerLinks -
@@ -278,6 +283,10 @@
for (i = 0; i <= x->hash_mask; i++) \
hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list)
+#else
+#define mesh_allocated 0
+#endif
+
#define MESH_PREQ(skb) (skb->cb + 30)
#endif /* IEEE80211S_H */
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 5cd97e9..0b0e8d7 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -6,11 +6,11 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
+#include <linux/kernel.h>
+#include <linux/random.h>
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "mesh.h"
-#include <linux/random.h>
#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
#define mpl_dbg(fmt, args...) printk(KERN_DEBUG fmt, ##args)
@@ -131,7 +131,7 @@
}
/**
- * mesh_plink_deactivate - deactivate mesh peer link
+ * __mesh_plink_deactivate - deactivate mesh peer link
*
* @sta: mesh peer link to deactivate
*
@@ -139,7 +139,7 @@
*
* Locking: the caller must hold sta->plink_lock
*/
-void mesh_plink_deactivate(struct sta_info *sta)
+static void __mesh_plink_deactivate(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
if (sta->plink_state == ESTAB)
@@ -148,6 +148,20 @@
mesh_path_flush_by_nexthop(sta);
}
+/**
+ * __mesh_plink_deactivate - deactivate mesh peer link
+ *
+ * @sta: mesh peer link to deactivate
+ *
+ * All mesh paths with this peer as next hop will be flushed
+ */
+void mesh_plink_deactivate(struct sta_info *sta)
+{
+ spin_lock_bh(&sta->plink_lock);
+ __mesh_plink_deactivate(sta);
+ spin_unlock_bh(&sta->plink_lock);
+}
+
static int mesh_plink_frame_tx(struct net_device *dev,
enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid,
__le16 reason) {
@@ -365,7 +379,7 @@
#endif
spin_lock_bh(&sta->plink_lock);
- mesh_plink_deactivate(sta);
+ __mesh_plink_deactivate(sta);
sta->plink_state = BLOCKED;
spin_unlock_bh(&sta->plink_lock);
}
@@ -390,7 +404,7 @@
sta_info_put(sta);
return 0;
} else if (sta->plink_state == ESTAB) {
- mesh_plink_deactivate(sta);
+ __mesh_plink_deactivate(sta);
/* The timer should not be running */
if (!mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)))
__sta_info_get(sta);
@@ -699,7 +713,7 @@
case CLS_ACPT:
reason = cpu_to_le16(MESH_CLOSE_RCVD);
sta->reason = reason;
- mesh_plink_deactivate(sta);
+ __mesh_plink_deactivate(sta);
sta->plink_state = HOLDING;
llid = sta->llid;
if (!mod_plink_timer(sta,
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 4a51647..217c0f4 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -15,10 +15,7 @@
#include <linux/debugfs.h>
#include <net/mac80211.h>
#include "ieee80211_rate.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
-
#include "rc80211_pid.h"
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index cc4a896..d0018fc 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -20,9 +20,7 @@
#include "ieee80211_i.h"
#include "ieee80211_led.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#include "wep.h"
#include "wpa.h"
#include "tkip.h"
@@ -439,6 +437,13 @@
else
return RX_CONTINUE;
}
+#undef msh_h_get
+#else
+static inline ieee80211_rx_result
+ieee80211_rx_mesh_check(struct ieee80211_txrx_data *rx)
+{
+ return RX_CONTINUE;
+}
#endif
@@ -477,10 +482,8 @@
* responsible for filtering on both auth and assoc states.
*/
-#ifdef CONFIG_MAC80211_MESH
- if (rx->sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ if (ieee80211_vif_is_mesh(&rx->sdata->vif))
return ieee80211_rx_mesh_check(rx);
-#endif
if (unlikely(((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA ||
((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL &&
@@ -1111,8 +1114,7 @@
hdrlen = ieee80211_get_hdrlen(fc);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
int meshhdrlen = ieee80211_get_mesh_hdrlen(
(struct ieee80211s_hdr *) (skb->data + hdrlen));
/* Copy on cb:
@@ -1126,7 +1128,6 @@
memcpy(MESH_PREQ(skb), hdr->addr2, ETH_ALEN);
hdrlen += meshhdrlen;
}
-#endif
/* convert IEEE 802.11 header + possible LLC headers into Ethernet
* header
@@ -1306,9 +1307,8 @@
}
}
-#ifdef CONFIG_MAC80211_MESH
/* Mesh forwarding */
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
u8 *mesh_ttl = &((struct ieee80211s_hdr *)skb->cb)->ttl;
(*mesh_ttl)--;
@@ -1321,12 +1321,13 @@
else
xmit_skb->pkt_type = PACKET_OTHERHOST;
} else
- sdata->u.sta.mshstats.dropped_frames_ttl++;
-
+ IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta,
+ dropped_frames_ttl);
} else if (skb->pkt_type != PACKET_OTHERHOST &&
compare_ether_addr(dev->dev_addr, skb->data) != 0) {
if (*mesh_ttl == 0) {
- sdata->u.sta.mshstats.dropped_frames_ttl++;
+ IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta,
+ dropped_frames_ttl);
dev_kfree_skb(skb);
skb = NULL;
} else {
@@ -1337,7 +1338,6 @@
}
}
}
-#endif
if (skb) {
/* deliver to local stack */
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 1f3c9eb..81c4e33 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -21,9 +21,7 @@
#include "ieee80211_rate.h"
#include "sta_info.h"
#include "debugfs_sta.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
/* Caller must hold local->sta_lock */
static void sta_info_hash_add(struct ieee80211_local *local,
@@ -309,10 +307,8 @@
}
local->num_sta--;
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_accept_plinks_update(sdata->dev);
-#endif
}
void sta_info_free(struct sta_info *sta)
@@ -329,13 +325,8 @@
sta_info_remove(sta);
write_unlock_bh(&local->sta_lock);
-#ifdef CONFIG_MAC80211_MESH
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
- spin_lock_bh(&sta->plink_lock);
+ if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_plink_deactivate(sta);
- spin_unlock_bh(&sta->plink_lock);
- }
-#endif
while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
local->total_ps_buffered--;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 9d1d7a0..4ad5003 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -107,7 +107,6 @@
struct timer_list session_timer;
};
-#ifdef CONFIG_MAC80211_MESH
enum plink_state {
LISTEN,
OPN_SNT,
@@ -117,7 +116,6 @@
HOLDING,
BLOCKED
};
-#endif
/**
* struct sta_ampdu_mlme - STA aggregation information.
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index fc1ffb5..3b06e0d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -26,9 +26,7 @@
#include "ieee80211_i.h"
#include "ieee80211_led.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#include "wep.h"
#include "wpa.h"
#include "wme.h"
@@ -1460,7 +1458,7 @@
goto fail;
}
meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
- sdata);
+ sdata);
}
hdrlen = 30;
break;
@@ -1778,40 +1776,6 @@
read_unlock_bh(&local->sta_lock);
}
-#ifdef CONFIG_MAC80211_MESH
-static struct sk_buff *ieee80211_mesh_beacon_get(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- struct ieee80211_mgmt *mgmt;
- u8 *pos;
-
- if (!skb)
- return NULL;
- skb_reserve(skb, local->hw.extra_tx_headroom);
- mgmt = (struct ieee80211_mgmt *)
- skb_put(skb, 24 + sizeof(mgmt->u.beacon));
- memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
- mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
- IEEE80211_STYPE_BEACON);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- /* BSSID is left zeroed, wildcard value */
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
- mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */
-
- pos = skb_put(skb, 2);
- *pos++ = WLAN_EID_SSID;
- *pos++ = 0x0;
-
- mesh_mgmt_ies_add(skb, dev);
-
- return skb;
-}
-#endif
-
-
struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_tx_control *control)
@@ -1824,8 +1788,10 @@
struct rate_selection rsel;
struct beacon_data *beacon;
struct ieee80211_supported_band *sband;
+ struct ieee80211_mgmt *mgmt;
int *num_beacons;
- int err = 0;
+ bool err = true;
+ u8 *pos;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
@@ -1834,47 +1800,65 @@
sdata = vif_to_sdata(vif);
bdev = sdata->dev;
- switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_AP:
+ if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
ap = &sdata->u.ap;
beacon = rcu_dereference(ap->beacon);
- if (!ap || !beacon) {
- err = -1;
- break;
- }
+ if (ap && beacon) {
+ /*
+ * headroom, head length,
+ * tail length and maximum TIM length
+ */
+ skb = dev_alloc_skb(local->tx_headroom +
+ beacon->head_len +
+ beacon->tail_len + 256);
+ if (!skb)
+ goto out;
+ skb_reserve(skb, local->tx_headroom);
+ memcpy(skb_put(skb, beacon->head_len), beacon->head,
+ beacon->head_len);
+
+ ieee80211_include_sequence(sdata,
+ (struct ieee80211_hdr *)skb->data);
+
+ ieee80211_beacon_add_tim(local, ap, skb, beacon);
+
+ if (beacon->tail)
+ memcpy(skb_put(skb, beacon->tail_len),
+ beacon->tail, beacon->tail_len);
+
+ num_beacons = &ap->num_beacons;
+
+ err = false;
+ }
+ } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
/* headroom, head length, tail length and maximum TIM length */
- skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +
- beacon->tail_len + 256);
+ skb = dev_alloc_skb(local->tx_headroom + 400);
if (!skb)
goto out;
- skb_reserve(skb, local->tx_headroom);
- memcpy(skb_put(skb, beacon->head_len), beacon->head,
- beacon->head_len);
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ mgmt = (struct ieee80211_mgmt *)
+ skb_put(skb, 24 + sizeof(mgmt->u.beacon));
+ memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
+ mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
+ IEEE80211_STYPE_BEACON);
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ /* BSSID is left zeroed, wildcard value */
+ mgmt->u.beacon.beacon_int =
+ cpu_to_le16(local->hw.conf.beacon_int);
+ mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */
- ieee80211_include_sequence(sdata,
- (struct ieee80211_hdr *)skb->data);
+ pos = skb_put(skb, 2);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = 0x0;
- ieee80211_beacon_add_tim(local, ap, skb, beacon);
+ mesh_mgmt_ies_add(skb, sdata->dev);
- if (beacon->tail)
- memcpy(skb_put(skb, beacon->tail_len), beacon->tail,
- beacon->tail_len);
-
- num_beacons = &ap->num_beacons;
- break;
-
-#ifdef CONFIG_MAC80211_MESH
- case IEEE80211_IF_TYPE_MESH_POINT:
- skb = ieee80211_mesh_beacon_get(bdev);
num_beacons = &sdata->u.sta.num_beacons;
- break;
-#endif
- default:
- err = -1;
- break;
+ err = false;
}
if (err) {
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 6b50b6c..b46496f 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -26,9 +26,7 @@
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
-#ifdef CONFIG_MAC80211_MESH
#include "mesh.h"
-#endif
#include "wme.h"
/* privid for wiphys to determine whether they belong to us or not */
@@ -149,7 +147,6 @@
}
EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb);
-#ifdef CONFIG_MAC80211_MESH
int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
{
int ae = meshhdr->flags & IEEE80211S_FLAGS_AE;
@@ -167,7 +164,6 @@
return 5;
}
}
-#endif
void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx)
{
@@ -418,31 +414,3 @@
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
-
-#ifdef CONFIG_MAC80211_MESH
-/**
- * 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;
-}
-#endif