diff options
Diffstat (limited to 'sysroot/usr/include/linux/netfilter/nf_conntrack_tcp.h')
| -rw-r--r-- | sysroot/usr/include/linux/netfilter/nf_conntrack_tcp.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysroot/usr/include/linux/netfilter/nf_conntrack_tcp.h b/sysroot/usr/include/linux/netfilter/nf_conntrack_tcp.h new file mode 100644 index 0000000..c6ace4c --- /dev/null +++ b/sysroot/usr/include/linux/netfilter/nf_conntrack_tcp.h @@ -0,0 +1,39 @@ +#ifndef _NF_CONNTRACK_TCP_H +#define _NF_CONNTRACK_TCP_H +/* TCP tracking. */ + +/* This is exposed to userspace (ctnetlink) */ +enum tcp_conntrack { + TCP_CONNTRACK_NONE, + TCP_CONNTRACK_SYN_SENT, + TCP_CONNTRACK_SYN_RECV, + TCP_CONNTRACK_ESTABLISHED, + TCP_CONNTRACK_FIN_WAIT, + TCP_CONNTRACK_CLOSE_WAIT, + TCP_CONNTRACK_LAST_ACK, + TCP_CONNTRACK_TIME_WAIT, + TCP_CONNTRACK_CLOSE, + TCP_CONNTRACK_LISTEN, + TCP_CONNTRACK_MAX, + TCP_CONNTRACK_IGNORE +}; + +/* 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 + +struct nf_ct_tcp_flags { + u_int8_t flags; + u_int8_t mask; +}; + + +#endif /* _NF_CONNTRACK_TCP_H */ |