X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fnetfilter%2Fnf_conntrack_tcp.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fnetfilter%2Fnf_conntrack_tcp.h;h=a589dbc5bf031ec28958874573a719b9ca749846;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/linux/netfilter/nf_conntrack_tcp.h b/i686-linux-gnu-4.7/usr/include/linux/netfilter/nf_conntrack_tcp.h new file mode 100644 index 0000000..a589dbc --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/linux/netfilter/nf_conntrack_tcp.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _NF_CONNTRACK_TCP_H +#define _NF_CONNTRACK_TCP_H +/* TCP tracking. */ + +#include + +/* 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, /* obsolete */ +#define TCP_CONNTRACK_SYN_SENT2 TCP_CONNTRACK_LISTEN + TCP_CONNTRACK_MAX, + TCP_CONNTRACK_IGNORE, + TCP_CONNTRACK_RETRANS, + TCP_CONNTRACK_UNACK, + TCP_CONNTRACK_TIMEOUT_MAX +}; + +/* 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 + +/* Has unacknowledged data */ +#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED 0x10 + +/* The field td_maxack has been set */ +#define IP_CT_TCP_FLAG_MAXACK_SET 0x20 + +/* Marks possibility for expected RFC5961 challenge ACK */ +#define IP_CT_EXP_CHALLENGE_ACK 0x40 + +/* Simultaneous open initialized */ +#define IP_CT_TCP_SIMULTANEOUS_OPEN 0x80 + +struct nf_ct_tcp_flags { + __u8 flags; + __u8 mask; +}; + + +#endif /* _NF_CONNTRACK_TCP_H */