diff options
Diffstat (limited to 'include/libnetfilter_conntrack/libnetfilter_conntrack.h')
-rw-r--r-- | include/libnetfilter_conntrack/libnetfilter_conntrack.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/libnetfilter_conntrack/libnetfilter_conntrack.h b/include/libnetfilter_conntrack/libnetfilter_conntrack.h index 3975dfc..7125414 100644 --- a/include/libnetfilter_conntrack/libnetfilter_conntrack.h +++ b/include/libnetfilter_conntrack/libnetfilter_conntrack.h @@ -98,6 +98,10 @@ enum nf_conntrack_attr { ATTR_USE, /* u32 bits */ ATTR_ID, /* u32 bits */ ATTR_STATUS = 32, /* u32 bits */ + ATTR_TCP_FLAGS_ORIG, /* u8 bits */ + ATTR_TCP_FLAGS_REPL, /* u8 bits */ + ATTR_TCP_MASK_ORIG, /* u8 bits */ + ATTR_TCP_MASK_REPL, /* u8 bits */ ATTR_MAX }; @@ -427,6 +431,22 @@ enum ip_conntrack_status { IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT), }; +/* + * TCP flags + */ + +/* Window scaling is advertised by the sender */ +#define IP_CT_TCP_FLAG_WINDOW_SCALE 0x01 + +/* SACK is permitted by the sender */ +#define IP_CT_TCP_FLAG_SACK_PERM 0x02 + +/* This sender sent FIN first */ +#define IP_CT_TCP_FLAG_CLOSE_INIT 0x04 + +/* Be liberal in window checking */ +#define IP_CT_TCP_FLAG_BE_LIBERAL 0x08 + /* * Old deprecated API, its use for new applications is *strongly discouraged* */ |