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head/sys/netinet/tcp_subr.c
| Show First 20 Lines • Show All 78 Lines • ▼ Show 20 Lines | |||||
| #ifdef INET6 | #ifdef INET6 | ||||
| #include <netinet/ip6.h> | #include <netinet/ip6.h> | ||||
| #include <netinet6/in6_pcb.h> | #include <netinet6/in6_pcb.h> | ||||
| #include <netinet6/ip6_var.h> | #include <netinet6/ip6_var.h> | ||||
| #include <netinet6/scope6_var.h> | #include <netinet6/scope6_var.h> | ||||
| #include <netinet6/nd6.h> | #include <netinet6/nd6.h> | ||||
| #endif | #endif | ||||
| #ifdef TCP_RFC7413 | |||||
| #include <netinet/tcp_fastopen.h> | |||||
| #endif | |||||
| #include <netinet/tcp_fsm.h> | #include <netinet/tcp_fsm.h> | ||||
| #include <netinet/tcp_seq.h> | #include <netinet/tcp_seq.h> | ||||
| #include <netinet/tcp_timer.h> | #include <netinet/tcp_timer.h> | ||||
| #include <netinet/tcp_var.h> | #include <netinet/tcp_var.h> | ||||
| #include <netinet/tcp_syncache.h> | #include <netinet/tcp_syncache.h> | ||||
| #ifdef INET6 | #ifdef INET6 | ||||
| #include <netinet6/tcp6_var.h> | #include <netinet6/tcp6_var.h> | ||||
| #endif | #endif | ||||
| ▲ Show 20 Lines • Show All 604 Lines • ▼ Show 20 Lines | #undef TCP_MINPROTOHDR | ||||
| ISN_LOCK_INIT(); | ISN_LOCK_INIT(); | ||||
| EVENTHANDLER_REGISTER(shutdown_pre_sync, tcp_fini, NULL, | EVENTHANDLER_REGISTER(shutdown_pre_sync, tcp_fini, NULL, | ||||
| SHUTDOWN_PRI_DEFAULT); | SHUTDOWN_PRI_DEFAULT); | ||||
| EVENTHANDLER_REGISTER(maxsockets_change, tcp_zone_change, NULL, | EVENTHANDLER_REGISTER(maxsockets_change, tcp_zone_change, NULL, | ||||
| EVENTHANDLER_PRI_ANY); | EVENTHANDLER_PRI_ANY); | ||||
| #ifdef TCPPCAP | #ifdef TCPPCAP | ||||
| tcp_pcap_init(); | tcp_pcap_init(); | ||||
| #endif | #endif | ||||
| #ifdef TCP_RFC7413 | |||||
| tcp_fastopen_init(); | |||||
| #endif | |||||
| } | } | ||||
| #ifdef VIMAGE | #ifdef VIMAGE | ||||
| void | void | ||||
| tcp_destroy(void) | tcp_destroy(void) | ||||
| { | { | ||||
| int error; | int error; | ||||
| #ifdef TCP_RFC7413 | |||||
| tcp_fastopen_destroy(); | |||||
| #endif | |||||
| tcp_hc_destroy(); | tcp_hc_destroy(); | ||||
| syncache_destroy(); | syncache_destroy(); | ||||
| tcp_tw_destroy(); | tcp_tw_destroy(); | ||||
| in_pcbinfo_destroy(&V_tcbinfo); | in_pcbinfo_destroy(&V_tcbinfo); | ||||
| uma_zdestroy(V_sack_hole_zone); | uma_zdestroy(V_sack_hole_zone); | ||||
| uma_zdestroy(V_tcpcb_zone); | uma_zdestroy(V_tcpcb_zone); | ||||
| error = hhook_head_deregister(V_tcp_hhh[HHOOK_TCP_EST_IN]); | error = hhook_head_deregister(V_tcp_hhh[HHOOK_TCP_EST_IN]); | ||||
| ▲ Show 20 Lines • Show All 710 Lines • ▼ Show 20 Lines | tcp_close(struct tcpcb *tp) | ||||
| struct socket *so; | struct socket *so; | ||||
| INP_INFO_LOCK_ASSERT(&V_tcbinfo); | INP_INFO_LOCK_ASSERT(&V_tcbinfo); | ||||
| INP_WLOCK_ASSERT(inp); | INP_WLOCK_ASSERT(inp); | ||||
| #ifdef TCP_OFFLOAD | #ifdef TCP_OFFLOAD | ||||
| if (tp->t_state == TCPS_LISTEN) | if (tp->t_state == TCPS_LISTEN) | ||||
| tcp_offload_listen_stop(tp); | tcp_offload_listen_stop(tp); | ||||
| #endif | |||||
| #ifdef TCP_RFC7413 | |||||
| /* | |||||
| * This releases the TFO pending counter resource for TFO listen | |||||
| * sockets as well as passively-created TFO sockets that transition | |||||
| * from SYN_RECEIVED to CLOSED. | |||||
| */ | |||||
| if (tp->t_tfo_pending) { | |||||
| tcp_fastopen_decrement_counter(tp->t_tfo_pending); | |||||
| tp->t_tfo_pending = NULL; | |||||
| } | |||||
| #endif | #endif | ||||
| in_pcbdrop(inp); | in_pcbdrop(inp); | ||||
| TCPSTAT_INC(tcps_closed); | TCPSTAT_INC(tcps_closed); | ||||
| KASSERT(inp->inp_socket != NULL, ("tcp_close: inp_socket NULL")); | KASSERT(inp->inp_socket != NULL, ("tcp_close: inp_socket NULL")); | ||||
| so = inp->inp_socket; | so = inp->inp_socket; | ||||
| soisdisconnected(so); | soisdisconnected(so); | ||||
| if (inp->inp_flags & INP_SOCKREF) { | if (inp->inp_flags & INP_SOCKREF) { | ||||
| KASSERT(so->so_state & SS_PROTOREF, | KASSERT(so->so_state & SS_PROTOREF, | ||||
| ▲ Show 20 Lines • Show All 1,398 Lines • Show Last 20 Lines | |||||