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Diffstat (limited to 'include/tcpopt.h')
-rw-r--r--include/tcpopt.h35
1 files changed, 18 insertions, 17 deletions
diff --git a/include/tcpopt.h b/include/tcpopt.h
index ffdbcb02..7f3fbb8b 100644
--- a/include/tcpopt.h
+++ b/include/tcpopt.h
@@ -6,7 +6,7 @@
#include <statement.h>
extern struct expr *tcpopt_expr_alloc(const struct location *loc,
- uint8_t type, uint8_t field);
+ unsigned int kind, unsigned int field);
extern void tcpopt_init_raw(struct expr *expr, uint8_t type,
unsigned int offset, unsigned int len,
@@ -15,21 +15,22 @@ extern void tcpopt_init_raw(struct expr *expr, uint8_t type,
extern bool tcpopt_find_template(struct expr *expr, const struct expr *mask,
unsigned int *shift);
-enum tcpopt_hdr_types {
- TCPOPTHDR_INVALID,
- TCPOPTHDR_EOL,
- TCPOPTHDR_NOOP,
- TCPOPTHDR_MAXSEG,
- TCPOPTHDR_WINDOW,
- TCPOPTHDR_SACK_PERMITTED,
- TCPOPTHDR_SACK0,
- TCPOPTHDR_SACK1,
- TCPOPTHDR_SACK2,
- TCPOPTHDR_SACK3,
- TCPOPTHDR_TIMESTAMP,
- TCPOPTHDR_ECHO,
- TCPOPTHDR_ECHO_REPLY,
- __TCPOPTHDR_MAX
+/* TCP option numbers used on wire */
+enum tcpopt_kind {
+ TCPOPT_KIND_EOL = 0,
+ TCPOPT_KIND_NOP = 1,
+ TCPOPT_KIND_MAXSEG = 2,
+ TCPOPT_KIND_WINDOW = 3,
+ TCPOPT_KIND_SACK_PERMITTED = 4,
+ TCPOPT_KIND_SACK = 5,
+ TCPOPT_KIND_TIMESTAMP = 8,
+ TCPOPT_KIND_ECHO = 8,
+ __TCPOPT_KIND_MAX,
+
+ /* extra oob info, internal to nft */
+ TCPOPT_KIND_SACK1 = 256,
+ TCPOPT_KIND_SACK2 = 257,
+ TCPOPT_KIND_SACK3 = 258,
};
enum tcpopt_hdr_fields {
@@ -44,6 +45,6 @@ enum tcpopt_hdr_fields {
TCPOPTHDR_FIELD_TSECR,
};
-extern const struct exthdr_desc *tcpopthdr_protocols[__TCPOPTHDR_MAX];
+extern const struct exthdr_desc *tcpopt_protocols[__TCPOPT_KIND_MAX];
#endif /* NFTABLES_TCPOPT_H */