tcp_input.c File Reference

#include "opt_tcpdebug.h"
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <errno.h>
#include <sys/syslog.h>
#include <machine/cpu.h>
#include <net/if.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_fsm.h>
#include <netinet/tcp_seq.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/tcpip.h>

Include dependency graph for tcp_input.c:

Macros
#define	TCP_REASS(tp, ti, m, so, flags)

Functions
	SYSCTL_STRUCT (_net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RD, &tcpstat, tcpstat, "")
	SYSCTL_INT (_net_inet_tcp, OID_AUTO, log_in_vain, CTLFLAG_RW, &log_in_vain, 0, "")
void	tcp_input (struct mbuf *m, int iphlen)
void	tcp_mss (struct tcpcb *tp, int offer)
int	tcp_mssopt (struct tcpcb *tp)

Variables
tcp_seq	tcp_iss
tcp_cc	tcp_ccgen
struct tcpstat	tcpstat
u_long	tcp_now
struct inpcbhead	tcb
struct inpcbinfo	tcbinfo

Macro Definition Documentation

TCP_REASS

#define TCP_REASS	(		tp,
			ti,
			m,
			so,
			flags
	)

Value:

{ \
        if ((ti)->ti_seq == (tp)->rcv_nxt && \
            (tp)->seg_next == (struct tcpiphdr *)(tp) && \
            (tp)->t_state == TCPS_ESTABLISHED) { \
                tp->t_flags |= TF_DELACK; \
                (tp)->rcv_nxt += (ti)->ti_len; \
                flags = (ti)->ti_flags & TH_FIN; \
                tcpstat.tcps_rcvpack++;\
                tcpstat.tcps_rcvbyte += (ti)->ti_len;\
                sbappend(&(so)->so_rcv, (m)); \
                sorwakeup(so); \
        } else { \
                (flags) = tcp_reass((tp), (ti), (m)); \
                tp->t_flags |= TF_ACKNOW; \
        } \
}