X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fmesh_hwmp.c;h=af0cd1e3e2131136026b0851aad60f42db31825f;hb=f9f278fefdbbbf198bb4111b3fba47d9043dae59;hp=324ebea10c4c2d3e098eed5a3739117227202a6d;hpb=cfa22c716f65b4d286a68aeacee4a7361a4035e6;p=linux-2.6

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 324ebea10c..af0cd1e3e2 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -9,8 +9,6 @@
 
 #include "mesh.h"
 
-#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype)
-
 #define TEST_FRAME_LEN	8192
 #define MAX_METRIC	0xffffffff
 #define ARITH_SHIFT	8
@@ -24,40 +22,41 @@
 /* Reply and forward */
 #define MP_F_RF	0x2
 
+static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
+{
+	if (ae)
+		offset += 6;
+	return le32_to_cpu(get_unaligned((__le32 *) (preq_elem + offset)));
+}
+
 /* HWMP IE processing macros */
-#define AE_F	(1<<6)
-#define AE_F_SET(x) (*x & AE_F)
-#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(*((__le32 *) (x + 3)))
-#define PREQ_IE_ORIG_ADDR(x) (x + 7)
-#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(*((__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(*((__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(*((__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(*((__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(*((__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(*((__le32 *) (x + 8)))
+#define AE_F			(1<<6)
+#define AE_F_SET(x)		(*x & AE_F)
+#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)	u32_field_get(x, 3, 0)
+#define PREQ_IE_ORIG_ADDR(x)	(x + 7)
+#define PREQ_IE_ORIG_DSN(x)	u32_field_get(x, 13, 0);
+#define PREQ_IE_LIFETIME(x)	u32_field_get(x, 17, AE_F_SET(x));
+#define PREQ_IE_METRIC(x) 	u32_field_get(x, 21, AE_F_SET(x));
+#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) 	u32_field_get(x, 33, AE_F_SET(x));
+
+
+#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)	u32_field_get(x, 9, 0);
+#define PREP_IE_LIFETIME(x)	u32_field_get(x, 13, AE_F_SET(x));
+#define PREP_IE_METRIC(x)	u32_field_get(x, 17, AE_F_SET(x));
+#define PREP_IE_DST_ADDR(x)	(AE_F_SET(x) ? x + 27 : x + 21)
+#define PREP_IE_DST_DSN(x)	u32_field_get(x, 27, AE_F_SET(x));
+
+#define PERR_IE_DST_ADDR(x)	(x + 2)
+#define PERR_IE_DST_DSN(x)	u32_field_get(x, 8, 0);
 
 #define TU_TO_EXP_TIME(x) (jiffies + msecs_to_jiffies(x * 1024 / 1000))
 #define MSEC_TO_TU(x) (x*1000/1024)
@@ -121,7 +120,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		*pos++ = WLAN_EID_PREP;
 		break;
 	default:
-		kfree(skb);
+		kfree_skb(skb);
 		return -ENOTSUPP;
 		break;
 	}