| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 |
