mac80211: fix mesh endianness sparse warnings and unmark it as broken

This patch fixes all the mesh related endianness warnings reported by sparse. As
they were the reason why Johannes marked mesh as BROKEN, that flag has been
removed.

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

net/mac80211/Kconfig

@@ -83,7 +83,7 @@ endmenu
 
 config MAC80211_MESH
 	bool "Enable mac80211 mesh networking (pre-802.11s) support"
-	depends on MAC80211 && EXPERIMENTAL && BROKEN
+	depends on MAC80211 && EXPERIMENTAL
 	---help---
 	 This options enables support of Draft 802.11s mesh networking.
 	 The implementation is based on Draft 1.08 of the Mesh Networking

net/mac80211/mesh_hwmp.c

@@ -30,34 +30,34 @@
 #define PREQ_IE_FLAGS(x) (*(x))
 #define PREQ_IE_HOPCOUNT(x) (*(x + 1))
 #define PREQ_IE_TTL(x) (*(x + 2))
-#define PREQ_IE_PREQ_ID(x) le32_to_cpu(*((u32 *) (x + 3)))
+#define PREQ_IE_PREQ_ID(x) le32_to_cpu(*((__le32 *) (x + 3)))
 #define PREQ_IE_ORIG_ADDR(x) (x + 7)
-#define PREQ_IE_ORIG_DSN(x) le32_to_cpu(*((u32 *) (x + 13)))
-#define PREQ_IE_LIFETIME(x) le32_to_cpu(*((u32 *) \
+#define PREQ_IE_ORIG_DSN(x) le32_to_cpu(*((__le32 *) (x + 13)))
+#define PREQ_IE_LIFETIME(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 23 : x + 17)))
-#define PREQ_IE_METRIC(x) le32_to_cpu(*((u32 *) \
+#define PREQ_IE_METRIC(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 27 : x + 21)))
 #define PREQ_IE_DST_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26))
 #define PREQ_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27)
-#define PREQ_IE_DST_DSN(x) le32_to_cpu(*((u32 *) \
+#define PREQ_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 39 : x + 33)))
 
 
 #define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x)
 #define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x)
 #define PREP_IE_TTL(x) PREQ_IE_TTL(x)
 #define PREP_IE_ORIG_ADDR(x) (x + 3)
-#define PREP_IE_ORIG_DSN(x) le32_to_cpu(*((u32 *) (x + 9)))
-#define PREP_IE_LIFETIME(x) le32_to_cpu(*((u32 *) \
+#define PREP_IE_ORIG_DSN(x) le32_to_cpu(*((__le32 *) (x + 9)))
+#define PREP_IE_LIFETIME(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 19 : x + 13)))
-#define PREP_IE_METRIC(x) le32_to_cpu(*((u32 *) \
+#define PREP_IE_METRIC(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 23 : x + 17)))
 #define PREP_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21)
-#define PREP_IE_DST_DSN(x) le32_to_cpu(*((u32 *) \
+#define PREP_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) \
 			(AE_F_SET(x) ? x + 33 : x + 27)))
 
 #define PERR_IE_DST_ADDR(x) (x + 2)
-#define PERR_IE_DST_DSN(x) le32_to_cpu(*((u32 *) (x + 8)))
+#define PERR_IE_DST_DSN(x) le32_to_cpu(*((__le32 *) (x + 8)))
 
 #define TU_TO_EXP_TIME(x) (jiffies + msecs_to_jiffies(x * 1024 / 1000))
 #define MSEC_TO_TU(x) (x*1000/1024)
@@ -566,8 +566,8 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 			mpath->flags &= ~MESH_PATH_ACTIVE;
 			mpath->dsn = dst_dsn;
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_error_tx(dst_addr, dst_dsn, dev->broadcast,
-					dev);
+			mesh_path_error_tx(dst_addr, __cpu_to_le32(dst_dsn),
+					   dev->broadcast, dev);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}

net/mac80211/mesh_plink.c

@@ -85,7 +85,8 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
 static inline void mesh_plink_fsm_restart(struct sta_info *sta)
 {
 	sta->plink_state = LISTEN;
-	sta->llid = sta->plid = sta->reason = sta->plink_retries = 0;
+	sta->llid = sta->plid = sta->reason = 0;
+	sta->plink_retries = 0;
 }
 
 static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
@@ -373,7 +374,7 @@ void mesh_plink_block(struct sta_info *sta)
 int mesh_plink_close(struct sta_info *sta)
 {
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
-	int llid, plid, reason;
+	__le16 llid, plid, reason;
 #ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
 	DECLARE_MAC_BUF(mac);
 #endif