cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / netfilter / xt_sctp.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/netfilter/xt_sctp.h b/i686-linux-gnu-4.7/usr/include/linux/netfilter/xt_sctp.h
new file mode 100644 (file)
index 0000000..568414d
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/netfilter/xt_sctp.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _XT_SCTP_H_
+#define _XT_SCTP_H_
+
+#include <linux/types.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
+
+struct xt_sctp_flag_info {
+       __u8 chunktype;
+       __u8 flag;
+       __u8 flag_mask;
+};
+
+#define XT_NUM_SCTP_FLAGS      4
+
+struct xt_sctp_info {
+       __u16 dpts[2];  /* Min, Max */
+       __u16 spts[2];  /* Min, Max */
+
+       __u32 chunkmap[256 / sizeof (__u32)];  /* 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 */
+
+       __u32 chunk_match_type;
+       struct xt_sctp_flag_info flag_info[XT_NUM_SCTP_FLAGS];
+       int flag_count;
+
+       __u32 flags;
+       __u32 invflags;
+};
+
+#define bytes(type) (sizeof(type) * 8)
+
+#define SCTP_CHUNKMAP_SET(chunkmap, type)              \
+       do {                                            \
+               (chunkmap)[type / bytes(__u32)] |=      \
+                       1u << (type % bytes(__u32));    \
+       } while (0)
+
+#define SCTP_CHUNKMAP_CLEAR(chunkmap, type)                    \
+       do {                                                    \
+               (chunkmap)[type / bytes(__u32)] &=              \
+                       ~(1u << (type % bytes(__u32))); \
+       } while (0)
+
+#define SCTP_CHUNKMAP_IS_SET(chunkmap, type)                   \
+({                                                             \
+       ((chunkmap)[type / bytes (__u32)] &             \
+               (1u << (type % bytes (__u32)))) ? 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), ARRAY_SIZE(chunkmap))
+static __inline__ _Bool
+__sctp_chunkmap_is_clear(const __u32 *chunkmap, unsigned int n)
+{
+       unsigned int i;
+       for (i = 0; i < n; ++i)
+               if (chunkmap[i])
+                       return 0;
+       return 1;
+}
+
+#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 __u32 *chunkmap, unsigned int n)
+{
+       unsigned int i;
+       for (i = 0; i < n; ++i)
+               if (chunkmap[i] != ~0U)
+                       return 0;
+       return 1;
+}
+
+#endif /* _XT_SCTP_H_ */
+