148 lines
3.2 KiB
C
148 lines
3.2 KiB
C
/****************************************************************************
|
|
****************************************************************************
|
|
***
|
|
*** This header was automatically generated from a Linux kernel header
|
|
*** of the same name, to make information necessary for userspace to
|
|
*** call into the kernel available to libc. It contains only constants,
|
|
*** structures, and macros generated from the original header, and thus,
|
|
*** contains no copyrightable information.
|
|
***
|
|
****************************************************************************
|
|
****************************************************************************/
|
|
#ifndef _LINUX_TCP_H
|
|
#define _LINUX_TCP_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
struct tcphdr {
|
|
__u16 source;
|
|
__u16 dest;
|
|
__u32 seq;
|
|
__u32 ack_seq;
|
|
#ifdef __LITTLE_ENDIAN_BITFIELD
|
|
__u16 res1:4,
|
|
doff:4,
|
|
fin:1,
|
|
syn:1,
|
|
rst:1,
|
|
psh:1,
|
|
ack:1,
|
|
urg:1,
|
|
ece:1,
|
|
cwr:1;
|
|
#elif defined(__BIG_ENDIAN_BITFIELD)
|
|
__u16 doff:4,
|
|
res1:4,
|
|
cwr:1,
|
|
ece:1,
|
|
urg:1,
|
|
ack:1,
|
|
psh:1,
|
|
rst:1,
|
|
syn:1,
|
|
fin:1;
|
|
#else
|
|
#error "Adjust your <asm/byteorder.h> defines"
|
|
#endif
|
|
__u16 window;
|
|
__u16 check;
|
|
__u16 urg_ptr;
|
|
};
|
|
|
|
union tcp_word_hdr {
|
|
struct tcphdr hdr;
|
|
__u32 words[5];
|
|
};
|
|
|
|
#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])
|
|
|
|
enum {
|
|
TCP_FLAG_CWR = __constant_htonl(0x00800000),
|
|
TCP_FLAG_ECE = __constant_htonl(0x00400000),
|
|
TCP_FLAG_URG = __constant_htonl(0x00200000),
|
|
TCP_FLAG_ACK = __constant_htonl(0x00100000),
|
|
TCP_FLAG_PSH = __constant_htonl(0x00080000),
|
|
TCP_FLAG_RST = __constant_htonl(0x00040000),
|
|
TCP_FLAG_SYN = __constant_htonl(0x00020000),
|
|
TCP_FLAG_FIN = __constant_htonl(0x00010000),
|
|
TCP_RESERVED_BITS = __constant_htonl(0x0F000000),
|
|
TCP_DATA_OFFSET = __constant_htonl(0xF0000000)
|
|
};
|
|
|
|
#define TCP_NODELAY 1
|
|
#define TCP_MAXSEG 2
|
|
#define TCP_CORK 3
|
|
#define TCP_KEEPIDLE 4
|
|
#define TCP_KEEPINTVL 5
|
|
#define TCP_KEEPCNT 6
|
|
#define TCP_SYNCNT 7
|
|
#define TCP_LINGER2 8
|
|
#define TCP_DEFER_ACCEPT 9
|
|
#define TCP_WINDOW_CLAMP 10
|
|
#define TCP_INFO 11
|
|
#define TCP_QUICKACK 12
|
|
#define TCP_CONGESTION 13
|
|
|
|
#define TCPI_OPT_TIMESTAMPS 1
|
|
#define TCPI_OPT_SACK 2
|
|
#define TCPI_OPT_WSCALE 4
|
|
#define TCPI_OPT_ECN 8
|
|
|
|
enum tcp_ca_state
|
|
{
|
|
TCP_CA_Open = 0,
|
|
#define TCPF_CA_Open (1<<TCP_CA_Open)
|
|
TCP_CA_Disorder = 1,
|
|
#define TCPF_CA_Disorder (1<<TCP_CA_Disorder)
|
|
TCP_CA_CWR = 2,
|
|
#define TCPF_CA_CWR (1<<TCP_CA_CWR)
|
|
TCP_CA_Recovery = 3,
|
|
#define TCPF_CA_Recovery (1<<TCP_CA_Recovery)
|
|
TCP_CA_Loss = 4
|
|
#define TCPF_CA_Loss (1<<TCP_CA_Loss)
|
|
};
|
|
|
|
struct tcp_info
|
|
{
|
|
__u8 tcpi_state;
|
|
__u8 tcpi_ca_state;
|
|
__u8 tcpi_retransmits;
|
|
__u8 tcpi_probes;
|
|
__u8 tcpi_backoff;
|
|
__u8 tcpi_options;
|
|
__u8 tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
|
|
|
|
__u32 tcpi_rto;
|
|
__u32 tcpi_ato;
|
|
__u32 tcpi_snd_mss;
|
|
__u32 tcpi_rcv_mss;
|
|
|
|
__u32 tcpi_unacked;
|
|
__u32 tcpi_sacked;
|
|
__u32 tcpi_lost;
|
|
__u32 tcpi_retrans;
|
|
__u32 tcpi_fackets;
|
|
|
|
__u32 tcpi_last_data_sent;
|
|
__u32 tcpi_last_ack_sent;
|
|
__u32 tcpi_last_data_recv;
|
|
__u32 tcpi_last_ack_recv;
|
|
|
|
__u32 tcpi_pmtu;
|
|
__u32 tcpi_rcv_ssthresh;
|
|
__u32 tcpi_rtt;
|
|
__u32 tcpi_rttvar;
|
|
__u32 tcpi_snd_ssthresh;
|
|
__u32 tcpi_snd_cwnd;
|
|
__u32 tcpi_advmss;
|
|
__u32 tcpi_reordering;
|
|
|
|
__u32 tcpi_rcv_rtt;
|
|
__u32 tcpi_rcv_space;
|
|
|
|
__u32 tcpi_total_retrans;
|
|
};
|
|
|
|
#endif
|