Merge commit 'origin/trunk@12184' into fedora

[iptables.git] / trunk / include / linux / netfilter / xt_sctp.h

diff --git a/trunk/include/linux/netfilter/xt_sctp.h b/trunk/include/linux/netfilter/xt_sctp.h
new file mode 100644 (file)
index 0000000..62ffdcb
--- /dev/null
+++ b/trunk/include/linux/netfilter/xt_sctp.h
@@ -0,0 +1,94 @@
+#ifndef _XT_SCTP_H_
+#define _XT_SCTP_H_
+
+#define XT_SCTP_SRC_PORTS              0x01
+#define XT_SCTP_DEST_PORTS             0x02
+#define XT_SCTP_CHUNK_TYPES            0x04
+
+#define XT_SCTP_VALID_FLAGS            0x07
+
+/* temporary */
+#define SCTP_ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
+
+
+struct xt_sctp_flag_info {
+       u_int8_t chunktype;
+       u_int8_t flag;
+       u_int8_t flag_mask;
+};
+
+#define XT_NUM_SCTP_FLAGS      4
+
+struct xt_sctp_info {
+       u_int16_t dpts[2];  /* Min, Max */
+       u_int16_t spts[2];  /* Min, Max */
+
+       u_int32_t chunkmap[256 / sizeof (u_int32_t)];  /* Bit mask of chunks to be matched according to RFC 2960 */
+
+#define SCTP_CHUNK_MATCH_ANY   0x01  /* Match if any of the chunk types are present */
+#define SCTP_CHUNK_MATCH_ALL   0x02  /* Match if all of the chunk types are present */
+#define SCTP_CHUNK_MATCH_ONLY  0x04  /* Match if these are the only chunk types present */
+
+       u_int32_t chunk_match_type;
+       struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
+       int flag_count;
+
+       u_int32_t flags;
+       u_int32_t invflags;
+};
+
+#define bytes(type) (sizeof(type) * 8)
+
+#define SCTP_CHUNKMAP_SET(chunkmap, type)              \
+       do {                                            \
+               (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)] &=          \
+                       ~(1 << (type % bytes(u_int32_t)));      \
+       } while (0)
+
+#define SCTP_CHUNKMAP_IS_SET(chunkmap, type)                   \
+({                                                             \
+       ((chunkmap)[type / bytes (u_int32_t)] &                 \
+               (1 << (type % bytes (u_int32_t)))) ? 1: 0;      \
+})
+
+#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_ */
+