Includes integration in struct sta_info of mesh peer link elements, previously
on their own mesh peer link table.
Signed-off-by: Luis Carlos Cobo <luisca@xxxxxxxxxxx>
---
net/mac80211/ieee80211_i.h | 173 ++++++++++++++++++++++++++++++++++++++-
net/mac80211/ieee80211_iface.c | 63 ++++++++++++++-
net/mac80211/ieee80211_ioctl.c | 1 +
net/mac80211/rc80211_pid_algo.c | 14 +++
net/mac80211/sta_info.c | 42 +++++++++-
net/mac80211/sta_info.h | 30 +++++++
net/mac80211/util.c | 52 ++++++++++++
7 files changed, 369 insertions(+), 6 deletions(-)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 1b4a449..2192259 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -90,6 +90,12 @@ struct ieee80211_sta_bss {
size_t wmm_ie_len;
u8 *ht_ie;
size_t ht_ie_len;
+#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;
#define IEEE80211_MAX_SUPP_RATES 32
u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
size_t supp_rates_len;
@@ -227,6 +233,43 @@ struct ieee80211_if_vlan {
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*/
+ __u32 dropped_frames_no_route; /* Not transmitted, no route found */
+ atomic_t estab_plinks;
+};
+
+#define PREQ_Q_F_START 0x1
+#define PREQ_Q_F_REFRESH 0x2
+struct mesh_preq_queue {
+ struct list_head list;
+ u8 dst[ETH_ALEN];
+ u8 flags;
+};
+
+
+struct mesh_config {
+ /* Timeouts in ms */
+ /* Mesh plink management parameters */
+ u16 dot11MeshRetryTimeout;
+ u16 dot11MeshConfirmTimeout;
+ u16 dot11MeshHoldingTimeout;
+ u16 dot11MeshMaxPeerLinks;
+ u8 dot11MeshMaxRetries;
+ u8 dot11MeshTTL;
+ bool auto_open_plinks;
+ /* HWMP parameters */
+ u32 dot11MeshHWMPactivePathTimeout;
+ u16 dot11MeshHWMPpreqMinInterval;
+ u16 dot11MeshHWMPnetDiameterTraversalTime;
+ u8 dot11MeshHWMPmaxPREQretries;
+ u32 path_refresh_time;
+ u16 min_discovery_timeout;
+};
+#endif
+
/* flags used in struct ieee80211_if_sta.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
#define IEEE80211_STA_BSSID_SET BIT(1)
@@ -245,7 +288,8 @@ struct ieee80211_if_sta {
enum {
IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
- IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
+ IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED,
+ IEEE80211_MESH_UP
} state;
struct timer_list timer;
struct work_struct work;
@@ -254,6 +298,34 @@ struct ieee80211_if_sta {
size_t ssid_len;
u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
size_t scan_ssid_len;
+#ifdef CONFIG_MAC80211_MESH
+ struct timer_list mesh_path_timer;
+ u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
+ bool accepting_plinks;
+ size_t mesh_id_len;
+ /* Active Path Selection Protocol Identifier */
+ u8 mesh_pp_id[4];
+ /* Active Path Selection Metric Identifier */
+ u8 mesh_pm_id[4];
+ /* Congestion Control Mode Identifier */
+ u8 mesh_cc_id[4];
+ /* Local mesh Destination Sequence Number */
+ u32 dsn;
+ /* Last used PREQ ID */
+ u32 preq_id;
+ atomic_t mpaths;
+ /* Timestamp of last DSN update */
+ unsigned long last_dsn_update;
+ /* Timestamp of last DSN sent */
+ unsigned long last_preq;
+ struct mesh_rmc *rmc;
+ spinlock_t mesh_preq_queue_lock;
+ struct mesh_preq_queue preq_queue;
+ int preq_queue_len;
+ struct mesh_stats mshstats;
+ struct mesh_config mshcfg;
+ u8 mesh_seqnum[3];
+#endif
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
@@ -286,6 +358,7 @@ struct ieee80211_if_sta {
u32 supp_rates_bits[IEEE80211_NUM_BANDS];
int wmm_last_param_set;
+ int num_beacons; /* number of TXed beacon frames by this STA */
};
@@ -365,6 +438,7 @@ struct ieee80211_sub_if_data {
struct dentry *auth_alg;
struct dentry *auth_transaction;
struct dentry *flags;
+ struct dentry *num_beacons_sta;
} sta;
struct {
struct dentry *channel_use;
@@ -390,6 +464,35 @@ struct ieee80211_sub_if_data {
} monitor;
struct dentry *default_key;
} debugfs;
+
+#ifdef CONFIG_MAC80211_MESH
+ struct dentry *mesh_stats_dir;
+ struct {
+ struct dentry *fwded_frames;
+ struct dentry *dropped_frames_ttl;
+ struct dentry *dropped_frames_no_route;
+ struct dentry *estab_plinks;
+ struct timer_list mesh_path_timer;
+ } mesh_stats;
+
+ struct dentry *mesh_config_dir;
+ struct {
+ struct dentry *dot11MeshRetryTimeout;
+ struct dentry *dot11MeshConfirmTimeout;
+ struct dentry *dot11MeshHoldingTimeout;
+ struct dentry *dot11MeshMaxRetries;
+ struct dentry *dot11MeshTTL;
+ struct dentry *auto_open_plinks;
+ struct dentry *dot11MeshMaxPeerLinks;
+ struct dentry *dot11MeshHWMPactivePathTimeout;
+ struct dentry *dot11MeshHWMPpreqMinInterval;
+ struct dentry *dot11MeshHWMPnetDiameterTraversalTime;
+ struct dentry *dot11MeshHWMPmaxPREQretries;
+ struct dentry *path_refresh_time;
+ struct dentry *min_discovery_timeout;
+ } mesh_config;
+#endif
+
#endif
/* must be last, dynamically sized area in this! */
struct ieee80211_vif vif;
@@ -617,6 +720,57 @@ struct ieee80211_ra_tid {
u16 tid;
};
+/* Parsed Information Elements */
+struct ieee802_11_elems {
+ /* pointers to IEs */
+ u8 *ssid;
+ u8 *supp_rates;
+ u8 *fh_params;
+ u8 *ds_params;
+ u8 *cf_params;
+ u8 *tim;
+ u8 *ibss_params;
+ u8 *challenge;
+ u8 *wpa;
+ u8 *rsn;
+ u8 *erp_info;
+ u8 *ext_supp_rates;
+ u8 *wmm_info;
+ u8 *wmm_param;
+ u8 *ht_cap_elem;
+ u8 *ht_info_elem;
+ u8 *mesh_config;
+ u8 *mesh_id;
+ u8 *peer_link;
+ u8 *preq;
+ u8 *prep;
+ u8 *perr;
+
+ /* length of them, respectively */
+ u8 ssid_len;
+ u8 supp_rates_len;
+ u8 fh_params_len;
+ u8 ds_params_len;
+ u8 cf_params_len;
+ u8 tim_len;
+ u8 ibss_params_len;
+ u8 challenge_len;
+ u8 wpa_len;
+ u8 rsn_len;
+ u8 erp_info_len;
+ u8 ext_supp_rates_len;
+ u8 wmm_info_len;
+ u8 wmm_param_len;
+ u8 ht_cap_elem_len;
+ u8 ht_info_elem_len;
+ u8 mesh_config_len;
+ u8 mesh_id_len;
+ u8 peer_link_len;
+ u8 preq_len;
+ u8 prep_len;
+ u8 perr_len;
+};
+
static inline struct ieee80211_local *hw_to_local(
struct ieee80211_hw *hw)
{
@@ -720,6 +874,7 @@ int ieee80211_set_compression(struct ieee80211_local *local,
struct net_device *dev, struct sta_info *sta);
int ieee80211_set_freq(struct ieee80211_local *local, int freq);
/* ieee80211_sta.c */
+#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype)
void ieee80211_sta_timer(unsigned long data);
void ieee80211_sta_work(struct work_struct *work);
void ieee80211_sta_scan_work(struct work_struct *work);
@@ -760,9 +915,23 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
u16 tid, u16 initiator, u16 reason);
void sta_rx_agg_session_timer_expired(unsigned long data);
void sta_addba_resp_timer_expired(unsigned long data);
+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_mesh_path_timer(unsigned long data);
+#endif
+
+
/* ieee80211_iface.c */
int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type);
+ struct net_device **new_dev, int type,
+ struct vif_params *params);
void ieee80211_if_set_type(struct net_device *dev, int type);
void ieee80211_if_reinit(struct net_device *dev);
void __ieee80211_if_del(struct ieee80211_local *local,
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index f66f1dd..a9cac0d 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -15,6 +15,9 @@
#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)
{
@@ -39,7 +42,8 @@ static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
/* Must be called with rtnl lock held. */
int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type)
+ struct net_device **new_dev, int type,
+ struct vif_params *params)
{
struct net_device *ndev;
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
@@ -78,6 +82,15 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
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
+
/* we're under RTNL so all this is fine */
if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) {
__ieee80211_if_del(local, sdata);
@@ -134,6 +147,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
sdata->bss = &sdata->u.ap;
INIT_LIST_HEAD(&sdata->u.ap.vlans);
break;
+ case IEEE80211_IF_TYPE_MESH_POINT:
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS: {
struct ieee80211_sub_if_data *msdata;
@@ -155,6 +169,48 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
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
break;
}
case IEEE80211_IF_TYPE_MNTR:
@@ -231,6 +287,11 @@ void ieee80211_if_reinit(struct net_device *dev)
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
}
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_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 54ad07a..1f5d236 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -519,6 +519,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+ sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
sdata->vif.type != IEEE80211_IF_TYPE_AP)
return -EOPNOTSUPP;
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index da8462b..5322486 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -15,6 +15,9 @@
#include <linux/debugfs.h>
#include <net/mac80211.h>
#include "ieee80211_rate.h"
+#ifdef CONFIG_MAC80211_MESH
+#include "mesh.h"
+#endif
#include "rc80211_pid.h"
@@ -148,6 +151,9 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
struct ieee80211_local *local,
struct sta_info *sta)
{
+#ifdef CONFIG_MAC80211_MESH
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+#endif
struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
struct ieee80211_supported_band *sband;
@@ -178,7 +184,14 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
pf = spinfo->last_pf;
else {
pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit;
+#ifdef CONFIG_MAC80211_MESH
+ if (pf == 100 &&
+ sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ mesh_plink_broken(sta);
+#endif
pf <<= RC_PID_ARITH_SHIFT;
+ sta->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
+ >> RC_PID_ARITH_SHIFT;
}
spinfo->tx_num_xmit = 0;
@@ -360,6 +373,7 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta,
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
sta->txrate_idx = rate_lowest_index(local, sband, sta);
+ sta->fail_avg = 0;
}
static void *rate_control_pid_alloc(struct ieee80211_local *local)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 6b53783..91dbb86 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -21,6 +21,9 @@
#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,
@@ -74,6 +77,27 @@ struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr)
}
EXPORT_SYMBOL(sta_info_get);
+struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
+ struct net_device *dev)
+{
+ struct sta_info *sta;
+ int i = 0;
+
+ read_lock_bh(&local->sta_lock);
+ list_for_each_entry(sta, &local->sta_list, list) {
+ if (i < idx) {
+ ++i;
+ continue;
+ } else if (!dev || dev == sta->dev) {
+ __sta_info_get(sta);
+ read_unlock_bh(&local->sta_lock);
+ return sta;
+ }
+ }
+ read_unlock_bh(&local->sta_lock);
+
+ return NULL;
+}
static void sta_info_release(struct kref *kref)
{
@@ -209,6 +233,11 @@ void sta_info_remove(struct sta_info *sta)
atomic_dec(&sdata->bss->num_sta_ps);
}
local->num_sta--;
+
+#ifdef CONFIG_MAC80211_MESH
+ if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+ mesh_accept_plinks_update(sdata->dev);
+#endif
sta_info_remove_aid_ptr(sta);
}
@@ -217,6 +246,8 @@ void sta_info_free(struct sta_info *sta)
{
struct sk_buff *skb;
struct ieee80211_local *local = sta->local;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
+
DECLARE_MAC_BUF(mac);
might_sleep();
@@ -225,6 +256,14 @@ void sta_info_free(struct sta_info *sta)
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);
+ mesh_plink_deactivate(sta);
+ spin_unlock_bh(&sta->plink_lock);
+ }
+#endif
+
while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
local->total_ps_buffered--;
dev_kfree_skb(skb);
@@ -242,9 +281,6 @@ void sta_info_free(struct sta_info *sta)
sta->key = NULL;
if (local->ops->sta_notify) {
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
sdata = sdata->u.vlan.ap;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 19f3fb4..2e9ddf9 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -103,6 +103,18 @@ struct tid_ampdu_rx {
struct timer_list session_timer;
};
+#ifdef CONFIG_MAC80211_MESH
+enum plink_state {
+ LISTEN,
+ OPN_SNT,
+ OPN_RCVD,
+ CNF_RCVD,
+ ESTAB,
+ HOLDING,
+ BLOCKED
+};
+#endif
+
/**
* struct sta_ampdu_mlme - STA aggregation information.
*
@@ -143,6 +155,8 @@ struct sta_info {
unsigned long rx_bytes, tx_bytes;
unsigned long tx_retry_failed, tx_retry_count;
unsigned long tx_filtered_count;
+ /* moving percentage of failed MSDUs */
+ unsigned int fail_avg;
unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
@@ -193,6 +207,20 @@ struct sta_info {
struct sta_ampdu_mlme ampdu_mlme;
u8 timer_to_tid[STA_TID_NUM]; /* convert timer id to tid */
u8 tid_to_tx_q[STA_TID_NUM]; /* map tid to tx queue */
+#ifdef CONFIG_MAC80211_MESH
+ /* mesh peer link attributes */
+ __le16 llid; /* Local link ID */
+ __le16 plid; /* Peer link ID */
+ __le16 reason; /* Buffer for cancel reason on HOLDING state */
+ enum plink_state plink_state;
+ u32 plink_timeout;
+ struct timer_list plink_timer;
+ u8 plink_retries; /* Retries in establishment */
+ bool ignore_plink_timer;
+ spinlock_t plink_lock; /* For peer_state reads / updates and other
+ updates in the structure. Ensures robust
+ transitions for the peerlink FSM */
+#endif
#ifdef CONFIG_MAC80211_DEBUGFS
struct sta_info_debugfsdentries {
@@ -237,6 +265,8 @@ static inline void __sta_info_get(struct sta_info *sta)
}
struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
+struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
+ struct net_device *dev);
void sta_info_put(struct sta_info *sta);
struct sta_info * sta_info_add(struct ieee80211_local *local,
struct net_device *dev, u8 *addr, gfp_t gfp);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index f64804f..03d1012 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -26,6 +26,9 @@
#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 */
@@ -146,6 +149,26 @@ int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb)
}
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;
+ /* 7.1.3.5a.2 */
+ switch (ae) {
+ case 0:
+ return 5;
+ case 1:
+ return 11;
+ case 2:
+ return 17;
+ case 3:
+ return 23;
+ default:
+ return 5;
+ }
+}
+#endif
+
void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
@@ -381,6 +404,7 @@ void ieee80211_iterate_active_interfaces(
case IEEE80211_IF_TYPE_AP:
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_IBSS:
+ case IEEE80211_IF_TYPE_MESH_POINT:
case IEEE80211_IF_TYPE_WDS:
break;
}
@@ -394,3 +418,31 @@ void ieee80211_iterate_active_interfaces(
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
--
1.5.2.5
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