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Diffstat (limited to 'include/linux/netfilter/xt_sctp.h')
-rw-r--r--include/linux/netfilter/xt_sctp.h87
1 files changed, 37 insertions, 50 deletions
diff --git a/include/linux/netfilter/xt_sctp.h b/include/linux/netfilter/xt_sctp.h
index b157897e..62ffdcb0 100644
--- a/include/linux/netfilter/xt_sctp.h
+++ b/include/linux/netfilter/xt_sctp.h
@@ -7,7 +7,8 @@
#define XT_SCTP_VALID_FLAGS 0x07
-#define ELEMCOUNT(x) (sizeof(x)/sizeof(x[0]))
+/* temporary */
+#define SCTP_ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
struct xt_sctp_flag_info {
@@ -40,68 +41,54 @@ struct xt_sctp_info {
#define SCTP_CHUNKMAP_SET(chunkmap, type) \
do { \
- chunkmap[type / bytes(u_int32_t)] |= \
+ (chunkmap)[type / bytes(u_int32_t)] |= \
1 << (type % bytes(u_int32_t)); \
} while (0)
#define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \
do { \
- chunkmap[type / bytes(u_int32_t)] &= \
+ (chunkmap)[type / bytes(u_int32_t)] &= \
~(1 << (type % bytes(u_int32_t))); \
} while (0)
#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \
({ \
- (chunkmap[type / bytes (u_int32_t)] & \
+ ((chunkmap)[type / bytes (u_int32_t)] & \
(1 << (type % bytes (u_int32_t)))) ? 1: 0; \
})
-#define SCTP_CHUNKMAP_RESET(chunkmap) \
- do { \
- int i; \
- for (i = 0; i < ELEMCOUNT(chunkmap); i++) \
- chunkmap[i] = 0; \
- } while (0)
-
-#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
- do { \
- int i; \
- for (i = 0; i < ELEMCOUNT(chunkmap); i++) \
- chunkmap[i] = ~0; \
- } while (0)
-
-#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
- do { \
- int i; \
- for (i = 0; i < ELEMCOUNT(chunkmap); i++) \
- destmap[i] = srcmap[i]; \
- } while (0)
-
-#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
-({ \
- int i; \
- int flag = 1; \
- for (i = 0; i < ELEMCOUNT(chunkmap); i++) { \
- if (chunkmap[i]) { \
- flag = 0; \
- break; \
- } \
- } \
- flag; \
-})
-
-#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
-({ \
- int i; \
- int flag = 1; \
- for (i = 0; i < ELEMCOUNT(chunkmap); i++) { \
- if (chunkmap[i] != ~0) { \
- flag = 0; \
- break; \
- } \
- } \
- flag; \
-})
+#define SCTP_CHUNKMAP_RESET(chunkmap) \
+ memset((chunkmap), 0, sizeof(chunkmap))
+
+#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \
+ memset((chunkmap), ~0U, sizeof(chunkmap))
+
+#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \
+ memcpy((destmap), (srcmap), sizeof(srcmap))
+
+#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \
+ __sctp_chunkmap_is_clear((chunkmap), SCTP_ARRAY_SIZE(chunkmap))
+static inline bool
+__sctp_chunkmap_is_clear(const u_int32_t *chunkmap, unsigned int n)
+{
+ unsigned int i;
+ for (i = 0; i < n; ++i)
+ if (chunkmap[i])
+ return false;
+ return true;
+}
+
+#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \
+ __sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap))
+static inline bool
+__sctp_chunkmap_is_all_set(const u_int32_t *chunkmap, unsigned int n)
+{
+ unsigned int i;
+ for (i = 0; i < n; ++i)
+ if (chunkmap[i] != ~0U)
+ return false;
+ return true;
+}
#endif /* _XT_SCTP_H_ */