mac80211: mesh data structures and first mesh changes

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@cozybit.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 86eed40ada78..9d1d7a0e3114 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -107,6 +107,18 @@ 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.
  *
@@ -144,6 +156,8 @@ 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 */
 
@@ -192,6 +206,20 @@ 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 {
@@ -234,6 +262,8 @@ 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);