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author/C=JP/ST=JP/CN=Yasuyuki Kozakai/emailAddress=yasuyuki@netfilter.org </C=JP/ST=JP/CN=Yasuyuki Kozakai/emailAddress=yasuyuki@netfilter.org>2007-07-24 07:02:26 +0000
committer/C=JP/ST=JP/CN=Yasuyuki Kozakai/emailAddress=yasuyuki@netfilter.org </C=JP/ST=JP/CN=Yasuyuki Kozakai/emailAddress=yasuyuki@netfilter.org>2007-07-24 07:02:26 +0000
commitd23b1db6a50de02725a4091ab55c1223c7878db8 (patch)
tree9618b5af92c51e210a9297e402dce2158f4f42c1 /include/linux/netfilter
parent4002f8c8a8ce703c725baecc5febdf2704020426 (diff)
Unifies libip[6]t_sctp.c into libxt_sctp.c
Diffstat (limited to 'include/linux/netfilter')
-rw-r--r--include/linux/netfilter/xt_sctp.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/linux/netfilter/xt_sctp.h b/include/linux/netfilter/xt_sctp.h
new file mode 100644
index 0000000..b157897
--- /dev/null
+++ b/include/linux/netfilter/xt_sctp.h
@@ -0,0 +1,107 @@
+#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
+
+#define ELEMCOUNT(x) (sizeof(x)/sizeof(x[0]))
+
+
+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) \
+ 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; \
+})
+
+#endif /* _XT_SCTP_H_ */
+