Lines Matching +full:sw +full:- +full:rst
1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
156 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_mss_check()
178 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_mss_v6_check()
214 * stacks negotiate TS, but don't send them when sending keep-alive segments.
239 …"If the TCP stack does pacing, is there a limit (-1 = no, 0 = no pacing N = number of connections)…
241 static int tcp_dgp_limit = -1;
243 &tcp_dgp_limit, -1,
244 "If the TCP stack does DGP, is there a limit (-1 = no, 0 = no dgp N = number of connections)");
270 &tcp_tcbhashsize, 0, "Size of TCP control-block hashtable");
306 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_map_limit_check()
368 tp->t_dsack_pack++; in tcp_record_dsack()
371 tp->t_dsack_bytes += (end - start); in tcp_record_dsack()
372 TCPSTAT_ADD(tcps_dsack_bytes, (end - start)); in tcp_record_dsack()
374 tp->t_dsack_tlp_bytes += (start - end); in tcp_record_dsack()
375 TCPSTAT_ADD(tcps_dsack_bytes, (start - end)); in tcp_record_dsack()
379 tp->t_dsack_bytes += (end - start); in tcp_record_dsack()
380 TCPSTAT_ADD(tcps_dsack_tlp_bytes, (end - start)); in tcp_record_dsack()
382 tp->t_dsack_tlp_bytes += (start - end); in tcp_record_dsack()
383 TCPSTAT_ADD(tcps_dsack_tlp_bytes, (start - end)); in tcp_record_dsack()
396 if (strcmp(f->tf_name, fs->function_set_name) == 0) { in find_tcp_functions_locked()
397 blk = f->tf_fb; in find_tcp_functions_locked()
412 if (f->tf_fb == blk) { in find_tcp_fb_locked()
431 refcount_acquire(&blk->tfb_refcnt); in find_and_ref_tcp_functions()
444 refcount_acquire(&rblk->tfb_refcnt); in find_and_ref_tcp_fb()
460 if ((f->tf_fb == blk) && in find_tcp_function_alias()
461 (strncmp(f->tf_name, blk->tfb_tcp_block_name, in find_tcp_function_alias()
464 strncpy(fs->function_set_name, f->tf_name, in find_tcp_function_alias()
472 fs->function_set_name[TCP_FUNCTION_NAME_LEN_MAX - 1] = '\0'; in find_tcp_function_alias()
474 fs->function_set_name[0] = '\0'; in find_tcp_function_alias()
487 refcount_acquire(&rblk->tfb_refcnt); in find_and_ref_tcp_default_fb()
498 KASSERT(tp->t_fb != &tcp_def_funcblk, in tcp_switch_back_to_default()
499 ("%s: called by the built-in default stack", __func__)); in tcp_switch_back_to_default()
501 if (tp->t_fb->tfb_tcp_timer_stop_all != NULL) in tcp_switch_back_to_default()
502 tp->t_fb->tfb_tcp_timer_stop_all(tp); in tcp_switch_back_to_default()
506 * Start by trying the current user-selected in tcp_switch_back_to_default()
507 * default, unless this stack is the user-selected in tcp_switch_back_to_default()
511 if (tfb == tp->t_fb) { in tcp_switch_back_to_default()
512 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
516 if (tfb != NULL && (*tfb->tfb_tcp_handoff_ok)(tp)) { in tcp_switch_back_to_default()
517 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
523 if (tfb->tfb_tcp_fb_init == NULL || in tcp_switch_back_to_default()
524 (*tfb->tfb_tcp_fb_init)(tp, &ptr) == 0) { in tcp_switch_back_to_default()
526 if (tp->t_fb->tfb_tcp_fb_fini != NULL) in tcp_switch_back_to_default()
527 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 0); in tcp_switch_back_to_default()
528 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_switch_back_to_default()
530 tp->t_fb = tfb; in tcp_switch_back_to_default()
531 tp->t_fb_ptr = ptr; in tcp_switch_back_to_default()
538 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
542 * If that wasn't feasible, use the built-in default in tcp_switch_back_to_default()
550 if ((*tfb->tfb_tcp_handoff_ok)(tp)) { in tcp_switch_back_to_default()
554 if (tfb->tfb_tcp_fb_init != NULL && in tcp_switch_back_to_default()
555 (*tfb->tfb_tcp_fb_init)(tp, &ptr)) { in tcp_switch_back_to_default()
560 if (tp->t_fb->tfb_tcp_fb_fini != NULL) in tcp_switch_back_to_default()
561 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 0); in tcp_switch_back_to_default()
562 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_switch_back_to_default()
564 tp->t_fb = tfb; in tcp_switch_back_to_default()
565 tp->t_fb_ptr = ptr; in tcp_switch_back_to_default()
582 if ((m->m_flags & M_PKTHDR) == 0) { in tcp_recv_udp_tunneled_packet()
588 if (m->m_len < off + sizeof(struct udphdr) + thlen && in tcp_recv_udp_tunneled_packet()
596 thlen = th->th_off << 2; in tcp_recv_udp_tunneled_packet()
597 if (m->m_len < off + sizeof(struct udphdr) + thlen) { in tcp_recv_udp_tunneled_packet()
608 m->m_pkthdr.tcp_tun_port = port = uh->uh_sport; in tcp_recv_udp_tunneled_packet()
609 bcopy(th, uh, m->m_len - off - sizeof(struct udphdr)); in tcp_recv_udp_tunneled_packet()
610 m->m_len -= sizeof(struct udphdr); in tcp_recv_udp_tunneled_packet()
611 m->m_pkthdr.len -= sizeof(struct udphdr); in tcp_recv_udp_tunneled_packet()
614 * both UDP and TCP for c-sum. So in tcp_recv_udp_tunneled_packet()
617 * with the flag (m->m_pkthdr.csum_flags). in tcp_recv_udp_tunneled_packet()
619 switch (iph->ip_v) { in tcp_recv_udp_tunneled_packet()
622 iph->ip_len = htons(ntohs(iph->ip_len) - sizeof(struct udphdr)); in tcp_recv_udp_tunneled_packet()
629 ip6->ip6_plen = htons(ntohs(ip6->ip6_plen) - sizeof(struct udphdr)); in tcp_recv_udp_tunneled_packet()
656 strcpy(fs.function_set_name, blk->tfb_tcp_block_name); in sysctl_net_inet_default_tcp_functions()
657 fs.pcbcnt = blk->tfb_refcnt; in sysctl_net_inet_default_tcp_functions()
664 if (error != 0 || req->newptr == NULL) in sysctl_net_inet_default_tcp_functions()
670 (blk->tfb_flags & TCP_FUNC_BEING_REMOVED)) { in sysctl_net_inet_default_tcp_functions()
674 if ((blk->tfb_flags & TCP_FUNC_DEFAULT_OK) == 0) { in sysctl_net_inet_default_tcp_functions()
711 linesz = snprintf(cp, bufsz, "\n%-32s%c %-32s %s\n", "Stack", 'D', in sysctl_net_inet_list_available()
714 bufsz -= linesz; in sysctl_net_inet_list_available()
719 alias = (f->tf_name != f->tf_fb->tfb_tcp_block_name); in sysctl_net_inet_list_available()
720 linesz = snprintf(cp, bufsz, "%-32s%c %-32s %u\n", in sysctl_net_inet_list_available()
721 f->tf_fb->tfb_tcp_block_name, in sysctl_net_inet_list_available()
722 (f->tf_fb == V_tcp_func_set_ptr) ? '*' : ' ', in sysctl_net_inet_list_available()
723 alias ? f->tf_name : "-", in sysctl_net_inet_list_available()
724 f->tf_fb->tfb_refcnt); in sysctl_net_inet_list_available()
730 bufsz -= linesz; in sysctl_net_inet_list_available()
799 /* Already running -- must stop first */ in tcp_over_udp_start()
805 /* Already running -- must stop first */ in tcp_over_udp_start()
812 curthread->td_ucred, curthread))) { in tcp_over_udp_start()
838 curthread->td_ucred, curthread))) { in tcp_over_udp_start()
874 (req->newptr != NULL)) { in sysctl_net_inet_tcp_udp_tunneling_port_check()
911 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_udp_tunneling_overhead_check()
940 if (req->newptr != NULL) in sysctl_net_inet_list_func_info()
947 if (req->oldptr != NULL) { in sysctl_net_inet_list_func_info()
962 if (req->oldptr == NULL) { in sysctl_net_inet_list_func_info()
971 if (req->oldptr != NULL) { in sysctl_net_inet_list_func_info()
973 tfi.tfi_refcnt = f->tf_fb->tfb_refcnt; in sysctl_net_inet_list_func_info()
974 tfi.tfi_id = f->tf_fb->tfb_id; in sysctl_net_inet_list_func_info()
975 (void)strlcpy(tfi.tfi_alias, f->tf_name, in sysctl_net_inet_list_func_info()
978 f->tf_fb->tfb_tcp_block_name, sizeof(tfi.tfi_name)); in sysctl_net_inet_list_func_info()
993 if (req->oldptr == NULL) in sysctl_net_inet_list_func_info()
1003 "List TCP function block name-to-ID mappings");
1022 * The init() fuction from the default can *never* return non-zero i.e.
1040 tp->t_flags &= ~TF_GPUTINPROG; in tcp_default_fb_init()
1043 if ((tp->t_state == TCPS_SYN_SENT) || in tcp_default_fb_init()
1044 (tp->t_state == TCPS_SYN_RECEIVED)) in tcp_default_fb_init()
1045 rexmt = tcp_rexmit_initial * tcp_backoff[tp->t_rxtshift]; in tcp_default_fb_init()
1047 rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; in tcp_default_fb_init()
1048 if (tp->t_rxtshift == 0) in tcp_default_fb_init()
1049 tp->t_rxtcur = rexmt; in tcp_default_fb_init()
1051 TCPT_RANGESET(tp->t_rxtcur, rexmt, tp->t_rttmin, in tcp_default_fb_init()
1058 if (tp->t_state <= TCPS_LISTEN || tp->t_state >= TCPS_TIME_WAIT) in tcp_default_fb_init()
1065 if ((!TCPS_HAVEESTABLISHED(tp->t_state) || sbavail(&so->so_snd) || in tcp_default_fb_init()
1066 tp->snd_una != tp->snd_max) && !(tcp_timer_active(tp, TT_REXMT) || in tcp_default_fb_init()
1073 if (TCPS_HAVEESTABLISHED(tp->t_state) && tp->snd_wnd == 0 && in tcp_default_fb_init()
1074 (int32_t)(tp->snd_nxt - tp->snd_una) < in tcp_default_fb_init()
1075 (int32_t)sbavail(&so->so_snd)) in tcp_default_fb_init()
1081 /* All non-embryonic sessions get a keepalive timer. */ in tcp_default_fb_init()
1084 TCPS_HAVEESTABLISHED(tp->t_state) ? TP_KEEPIDLE(tp) : in tcp_default_fb_init()
1091 if IN_FASTRECOVERY(tp->t_flags) { in tcp_default_fb_init()
1092 if (tp->sackhint.recover_fs == 0) in tcp_default_fb_init()
1093 tp->sackhint.recover_fs = max(1, in tcp_default_fb_init()
1094 tp->snd_nxt - tp->snd_una); in tcp_default_fb_init()
1115 tp->t_acktime = 0; in tcp_default_fb_fini()
1146 hashsize = 1 << (fls(size) - 1); in maketcp_hashsize()
1156 * blk->tfb_tcp_block_name as a stack name. Therefore, you should
1157 * explicitly include blk->tfb_tcp_block_name in the list of names if
1177 ("%s: Called with non-positive length of name list", __func__)); in register_tcp_functions_as_names()
1186 if ((blk->tfb_tcp_output == NULL) || in register_tcp_functions_as_names()
1187 (blk->tfb_tcp_do_segment == NULL) || in register_tcp_functions_as_names()
1188 (blk->tfb_tcp_ctloutput == NULL) || in register_tcp_functions_as_names()
1189 (blk->tfb_tcp_handoff_ok == NULL) || in register_tcp_functions_as_names()
1190 (strlen(blk->tfb_tcp_block_name) == 0)) { in register_tcp_functions_as_names()
1199 while (--i >= 0) in register_tcp_functions_as_names()
1213 if (blk->tfb_flags & TCP_FUNC_BEING_REMOVED) { in register_tcp_functions_as_names()
1217 refcount_init(&blk->tfb_refcnt, 0); in register_tcp_functions_as_names()
1218 blk->tfb_id = atomic_fetchadd_int(&next_tcp_stack_id, 1); in register_tcp_functions_as_names()
1227 f[i]->tf_fb = blk; in register_tcp_functions_as_names()
1228 (void)strlcpy(f[i]->tf_name, names[i], sizeof(f[i]->tf_name)); in register_tcp_functions_as_names()
1241 tcp_fb_cnt--; in register_tcp_functions_as_names()
1243 f[i]->tf_fb = NULL; in register_tcp_functions_as_names()
1268 name_list[0] = blk->tfb_tcp_block_name; in register_tcp_functions_as_name()
1275 * blk->tfb_tcp_block_name.
1311 /* You can't un-register the default */ in deregister_tcp_functions()
1329 blk->tfb_flags |= TCP_FUNC_BEING_REMOVED; in deregister_tcp_functions()
1334 if (force && blk->tfb_refcnt) { in deregister_tcp_functions()
1349 if (tp == NULL || tp->t_fb != blk) in deregister_tcp_functions()
1359 if (blk->tfb_refcnt) { in deregister_tcp_functions()
1372 tcp_fb_cnt--; in deregister_tcp_functions()
1373 f->tf_fb = NULL; in deregister_tcp_functions()
1633 if ((inp->inp_vflag & INP_IPV6) != 0) { in tcpip_fillheaders()
1637 ip6->ip6_flow = (ip6->ip6_flow & ~IPV6_FLOWINFO_MASK) | in tcpip_fillheaders()
1638 (inp->inp_flow & IPV6_FLOWINFO_MASK); in tcpip_fillheaders()
1639 ip6->ip6_vfc = (ip6->ip6_vfc & ~IPV6_VERSION_MASK) | in tcpip_fillheaders()
1642 ip6->ip6_nxt = IPPROTO_TCP; in tcpip_fillheaders()
1644 ip6->ip6_nxt = IPPROTO_UDP; in tcpip_fillheaders()
1645 ip6->ip6_plen = htons(sizeof(struct tcphdr)); in tcpip_fillheaders()
1646 ip6->ip6_src = inp->in6p_laddr; in tcpip_fillheaders()
1647 ip6->ip6_dst = inp->in6p_faddr; in tcpip_fillheaders()
1658 ip->ip_v = IPVERSION; in tcpip_fillheaders()
1659 ip->ip_hl = 5; in tcpip_fillheaders()
1660 ip->ip_tos = inp->inp_ip_tos; in tcpip_fillheaders()
1661 ip->ip_len = 0; in tcpip_fillheaders()
1662 ip->ip_id = 0; in tcpip_fillheaders()
1663 ip->ip_off = 0; in tcpip_fillheaders()
1664 ip->ip_ttl = inp->inp_ip_ttl; in tcpip_fillheaders()
1665 ip->ip_sum = 0; in tcpip_fillheaders()
1667 ip->ip_p = IPPROTO_TCP; in tcpip_fillheaders()
1669 ip->ip_p = IPPROTO_UDP; in tcpip_fillheaders()
1670 ip->ip_src = inp->inp_laddr; in tcpip_fillheaders()
1671 ip->ip_dst = inp->inp_faddr; in tcpip_fillheaders()
1674 th->th_sport = inp->inp_lport; in tcpip_fillheaders()
1675 th->th_dport = inp->inp_fport; in tcpip_fillheaders()
1676 th->th_seq = 0; in tcpip_fillheaders()
1677 th->th_ack = 0; in tcpip_fillheaders()
1678 th->th_off = 5; in tcpip_fillheaders()
1680 th->th_win = 0; in tcpip_fillheaders()
1681 th->th_urp = 0; in tcpip_fillheaders()
1682 th->th_sum = 0; /* in_pseudo() is called later for ipv4 */ in tcpip_fillheaders()
1698 tcpip_fillheaders(inp, 0, (void *)&t->tt_ipgen, (void *)&t->tt_t); in tcpip_maketemplate()
1746 isipv6 = ((struct ip *)ipgen)->ip_v == (IPV6_VERSION >> 4); in tcp_respond()
1759 if (isipv6 && ip6 && (ip6->ip6_nxt == IPPROTO_UDP)) in tcp_respond()
1760 port = m->m_pkthdr.tcp_tun_port; in tcp_respond()
1763 if (ip && (ip->ip_p == IPPROTO_UDP)) in tcp_respond()
1764 port = m->m_pkthdr.tcp_tun_port; in tcp_respond()
1768 port = tp->t_port; in tcp_respond()
1774 win = sbspace(&inp->inp_socket->so_rcv); in tcp_respond()
1775 if (win > TCP_MAXWIN << tp->rcv_scale) in tcp_respond()
1776 win = TCP_MAXWIN << tp->rcv_scale; in tcp_respond()
1778 if ((tp->t_flags & TF_NOOPT) == 0) in tcp_respond()
1785 m->m_data += max_linkhdr; in tcp_respond()
1795 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1796 uh->uh_dport = port; in tcp_respond()
1808 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1809 uh->uh_dport = port; in tcp_respond()
1831 n->m_data += max_linkhdr; in tcp_respond()
1839 xchg(ip6->ip6_dst, ip6->ip6_src, struct in6_addr); in tcp_respond()
1844 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1845 uh->uh_dport = port; in tcp_respond()
1853 xchg(ip->ip_dst.s_addr, ip->ip_src.s_addr, uint32_t); in tcp_respond()
1858 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1859 uh->uh_dport = port; in tcp_respond()
1864 xchg(nth->th_dport, nth->th_sport, uint16_t); in tcp_respond()
1873 m_freem(m->m_next); in tcp_respond()
1874 m->m_next = NULL; in tcp_respond()
1875 m->m_data = (caddr_t)ipgen; in tcp_respond()
1877 m->m_flags &= ~(M_TSTMP | M_TSTMP_LRO); in tcp_respond()
1881 xchg(ip6->ip6_dst, ip6->ip6_src, struct in6_addr); in tcp_respond()
1886 xchg(ip->ip_dst.s_addr, ip->ip_src.s_addr, uint32_t); in tcp_respond()
1895 nth->th_sport = th->th_sport; in tcp_respond()
1896 nth->th_dport = th->th_dport; in tcp_respond()
1898 xchg(nth->th_dport, nth->th_sport, uint16_t); in tcp_respond()
1915 m->m_len = 0; in tcp_respond()
1920 m->m_len = tlen; in tcp_respond()
1926 m->m_next = m_get(M_NOWAIT, MT_DATA); in tcp_respond()
1927 if (m->m_next) { in tcp_respond()
1928 optp = mtod(m->m_next, u_char *); in tcp_respond()
1929 optm = m->m_next; in tcp_respond()
1939 if (tp->t_flags & TF_RCVD_TSTMP) { in tcp_respond()
1940 to.to_tsval = tcp_ts_getticks() + tp->ts_offset; in tcp_respond()
1941 to.to_tsecr = tp->ts_recent; in tcp_respond()
1945 /* TCP-MD5 (RFC2385). */ in tcp_respond()
1946 if (tp->t_flags & TF_SIGNATURE) in tcp_respond()
1953 optm->m_len += optlen; in tcp_respond()
1959 ulen = tlen - sizeof(struct ip6_hdr); in tcp_respond()
1960 uh->uh_ulen = htons(ulen); in tcp_respond()
1962 ip6->ip6_flow = htonl(ect << IPV6_FLOWLABEL_LEN); in tcp_respond()
1963 ip6->ip6_vfc = IPV6_VERSION; in tcp_respond()
1965 ip6->ip6_nxt = IPPROTO_UDP; in tcp_respond()
1967 ip6->ip6_nxt = IPPROTO_TCP; in tcp_respond()
1968 ip6->ip6_plen = htons(tlen - sizeof(*ip6)); in tcp_respond()
1977 ulen = tlen - sizeof(struct ip); in tcp_respond()
1978 uh->uh_ulen = htons(ulen); in tcp_respond()
1980 ip->ip_len = htons(tlen); in tcp_respond()
1982 ip->ip_tos = inp->inp_ip_tos & ~IPTOS_ECN_MASK; in tcp_respond()
1983 ip->ip_ttl = inp->inp_ip_ttl; in tcp_respond()
1985 ip->ip_tos = 0; in tcp_respond()
1986 ip->ip_ttl = V_ip_defttl; in tcp_respond()
1988 ip->ip_tos |= ect; in tcp_respond()
1990 ip->ip_p = IPPROTO_UDP; in tcp_respond()
1992 ip->ip_p = IPPROTO_TCP; in tcp_respond()
1995 ip->ip_off |= htons(IP_DF); in tcp_respond()
1998 m->m_pkthdr.len = tlen; in tcp_respond()
1999 m->m_pkthdr.rcvif = NULL; in tcp_respond()
2016 nth->th_seq = htonl(seq); in tcp_respond()
2017 nth->th_ack = htonl(ack); in tcp_respond()
2018 nth->th_off = (sizeof (struct tcphdr) + optlen) >> 2; in tcp_respond()
2025 nth->th_win = htons((u_short) (win >> tp->rcv_scale)); in tcp_respond()
2027 nth->th_win = htons((u_short)win); in tcp_respond()
2028 nth->th_urp = 0; in tcp_respond()
2043 m->m_pkthdr.csum_flags = CSUM_UDP_IPV6; in tcp_respond()
2044 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); in tcp_respond()
2045 uh->uh_sum = in6_cksum_pseudo(ip6, ulen, IPPROTO_UDP, 0); in tcp_respond()
2046 nth->th_sum = 0; in tcp_respond()
2048 m->m_pkthdr.csum_flags = CSUM_TCP_IPV6; in tcp_respond()
2049 m->m_pkthdr.csum_data = offsetof(struct tcphdr, th_sum); in tcp_respond()
2050 nth->th_sum = in6_cksum_pseudo(ip6, in tcp_respond()
2051 tlen - sizeof(struct ip6_hdr), IPPROTO_TCP, 0); in tcp_respond()
2053 ip6->ip6_hlim = in6_selecthlim(inp, NULL); in tcp_respond()
2062 uh->uh_sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr, in tcp_respond()
2064 m->m_pkthdr.csum_flags = CSUM_UDP; in tcp_respond()
2065 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); in tcp_respond()
2066 nth->th_sum = 0; in tcp_respond()
2068 m->m_pkthdr.csum_flags = CSUM_TCP; in tcp_respond()
2069 m->m_pkthdr.csum_data = offsetof(struct tcphdr, th_sum); in tcp_respond()
2070 nth->th_sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr, in tcp_respond()
2071 htons((u_short)(tlen - sizeof(struct ip) + ip->ip_p))); in tcp_respond()
2087 log.u_bbr.pkts_out = tp->t_maxseg; in tcp_respond()
2106 * sending of the RST segments is not logged. Please in tcp_respond()
2114 (tp->t_state == TCPS_CLOSED || in tcp_respond()
2115 (tp->t_state > TCPS_LISTEN && tp->t_port != port)), in tcp_respond()
2119 ntohs(port), tcpstates[tp->t_state])); in tcp_respond()
2132 output_ret = ip6_output(m, inp ? inp->in6p_outputopts : NULL, in tcp_respond()
2146 lgb->tlb_errno = output_ret; in tcp_respond()
2199 if (tcp_challenge_ack_check(&tp->t_challenge_ack_end, in tcp_send_challenge_ack()
2200 &tp->t_challenge_ack_cnt)) { in tcp_send_challenge_ack()
2201 tcp_respond(tp, mtod(m, void *), th, m, tp->rcv_nxt, in tcp_send_challenge_ack()
2202 tp->snd_nxt, TH_ACK); in tcp_send_challenge_ack()
2203 tp->last_ack_sent = tp->rcv_nxt; in tcp_send_challenge_ack()
2219 int isipv6 = (inp->inp_vflag & INP_IPV6) != 0; in tcp_newtcpcb()
2227 bzero(&tp->t_start_zero, t_zero_size); in tcp_newtcpcb()
2230 tp->t_ccv.tp = tp; in tcp_newtcpcb()
2234 KASSERT(listening_tcb->t_fb != NULL, in tcp_newtcpcb()
2235 ("tcp_newtcpcb: listening_tcb->t_fb is NULL")); in tcp_newtcpcb()
2236 if (listening_tcb->t_fb->tfb_flags & TCP_FUNC_BEING_REMOVED) { in tcp_newtcpcb()
2240 tp->t_fb = listening_tcb->t_fb; in tcp_newtcpcb()
2242 tp->t_fb = V_tcp_func_set_ptr; in tcp_newtcpcb()
2244 refcount_acquire(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2245 KASSERT((tp->t_fb->tfb_flags & TCP_FUNC_BEING_REMOVED) == 0, in tcp_newtcpcb()
2250 if (CC_ALGO(listening_tcb)->flags & CC_MODULE_BEING_REMOVED) { in tcp_newtcpcb()
2252 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2253 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2254 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2262 if (CC_ALGO(tp)->cb_init != NULL) in tcp_newtcpcb()
2263 if (CC_ALGO(tp)->cb_init(&tp->t_ccv, NULL) > 0) { in tcp_newtcpcb()
2265 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2266 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2267 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2272 if (khelp_init_osd(HELPER_CLASS_TCP, &tp->t_osd)) { in tcp_newtcpcb()
2273 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_newtcpcb()
2274 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_newtcpcb()
2277 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2278 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2279 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2284 TAILQ_INIT(&tp->t_segq); in tcp_newtcpcb()
2285 STAILQ_INIT(&tp->t_inqueue); in tcp_newtcpcb()
2286 tp->t_maxseg = in tcp_newtcpcb()
2295 tp->t_hpts_cpu = HPTS_CPU_NONE; in tcp_newtcpcb()
2296 tp->t_lro_cpu = HPTS_CPU_NONE; in tcp_newtcpcb()
2298 callout_init_rw(&tp->t_callout, &inp->inp_lock, in tcp_newtcpcb()
2301 tp->t_timers[i] = SBT_MAX; in tcp_newtcpcb()
2308 tp->t_flags = (TF_REQ_SCALE|TF_REQ_TSTMP); in tcp_newtcpcb()
2311 tp->t_flags = TF_REQ_SCALE; in tcp_newtcpcb()
2314 tp->t_flags = TF_REQ_TSTMP; in tcp_newtcpcb()
2318 tp->t_flags |= TF_SACK_PERMIT; in tcp_newtcpcb()
2319 TAILQ_INIT(&tp->snd_holes); in tcp_newtcpcb()
2326 tp->t_srtt = TCPTV_SRTTBASE; in tcp_newtcpcb()
2327 tp->t_rttvar = ((tcp_rexmit_initial - TCPTV_SRTTBASE) << TCP_RTTVAR_SHIFT) / 4; in tcp_newtcpcb()
2328 tp->t_rttmin = tcp_rexmit_min; in tcp_newtcpcb()
2329 tp->t_rxtcur = tcp_rexmit_initial; in tcp_newtcpcb()
2330 tp->snd_cwnd = TCP_MAXWIN << TCP_MAX_WINSHIFT; in tcp_newtcpcb()
2331 tp->snd_ssthresh = TCP_MAXWIN << TCP_MAX_WINSHIFT; in tcp_newtcpcb()
2332 tp->t_rcvtime = ticks; in tcp_newtcpcb()
2334 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_TICKS; in tcp_newtcpcb()
2338 * which may match an IPv4-mapped IPv6 address. in tcp_newtcpcb()
2340 inp->inp_ip_ttl = V_ip_defttl; in tcp_newtcpcb()
2342 /* Initialize the per-TCPCB log data. */ in tcp_newtcpcb()
2345 tp->t_pacing_rate = -1; in tcp_newtcpcb()
2346 if (tp->t_fb->tfb_tcp_fb_init) { in tcp_newtcpcb()
2347 if ((*tp->t_fb->tfb_tcp_fb_init)(tp, &tp->t_fb_ptr)) { in tcp_newtcpcb()
2348 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_newtcpcb()
2349 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_newtcpcb()
2353 khelp_destroy_osd(&tp->t_osd); in tcp_newtcpcb()
2355 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2361 tp->t_stats = stats_blob_alloc(V_tcp_perconn_stats_dflt_tpl, 0); in tcp_newtcpcb()
2364 tp->t_flags |= TF_LRD; in tcp_newtcpcb()
2372 * then send a RST to peer.
2382 if (TCPS_HAVERCVDSYN(tp->t_state)) { in tcp_drop()
2389 if (errno == ETIMEDOUT && tp->t_softerror) in tcp_drop()
2390 errno = tp->t_softerror; in tcp_drop()
2391 so->so_error = errno; in tcp_drop()
2402 bool isipv6 = (inp->inp_vflag & INP_IPV6) != 0; in tcp_discardcb()
2406 MPASS(!callout_active(&tp->t_callout)); in tcp_discardcb()
2407 MPASS(TAILQ_EMPTY(&tp->snd_holes)); in tcp_discardcb()
2414 if (tp->t_flags & TF_TOE) in tcp_discardcb()
2419 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_discardcb()
2420 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_discardcb()
2426 khelp_destroy_osd(&tp->t_osd); in tcp_discardcb()
2429 stats_blob_destroy(tp->t_stats); in tcp_discardcb()
2433 if ((m = STAILQ_FIRST(&tp->t_inqueue)) != NULL) { in tcp_discardcb()
2436 STAILQ_INIT(&tp->t_inqueue); in tcp_discardcb()
2437 STAILQ_FOREACH_FROM_SAFE(m, &tp->t_inqueue, m_stailqpkt, prev) in tcp_discardcb()
2440 TCPSTATES_DEC(tp->t_state); in tcp_discardcb()
2442 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_discardcb()
2443 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_discardcb()
2463 if (tp->t_rttupdated >= 4) { in tcp_discardcb()
2474 ssthresh = tp->snd_ssthresh; in tcp_discardcb()
2475 if (ssthresh != 0 && ssthresh < so->so_snd.sb_hiwat / 2) { in tcp_discardcb()
2480 ssthresh = (ssthresh + tp->t_maxseg / 2) / tp->t_maxseg; in tcp_discardcb()
2483 ssthresh *= (tp->t_maxseg + in tcp_discardcb()
2497 metrics.hc_rtt = tp->t_srtt; in tcp_discardcb()
2498 metrics.hc_rttvar = tp->t_rttvar; in tcp_discardcb()
2499 metrics.hc_cwnd = tp->snd_cwnd; in tcp_discardcb()
2503 tcp_hc_update(&inp->inp_inc, &metrics); in tcp_discardcb()
2506 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_discardcb()
2522 if (tp->t_state == TCPS_LISTEN) in tcp_close()
2527 * sockets as well as passively-created TFO sockets that transition in tcp_close()
2530 if (tp->t_tfo_pending) { in tcp_close()
2531 tcp_fastopen_decrement_counter(tp->t_tfo_pending); in tcp_close()
2532 tp->t_tfo_pending = NULL; in tcp_close()
2535 if (tp->t_fb->tfb_tcp_timer_stop_all != NULL) in tcp_close()
2536 tp->t_fb->tfb_tcp_timer_stop_all(tp); in tcp_close()
2539 if (tp->t_state != TCPS_CLOSED) in tcp_close()
2541 KASSERT(inp->inp_socket != NULL, ("tcp_close: inp_socket NULL")); in tcp_close()
2544 if (inp->inp_flags & INP_SOCKREF) { in tcp_close()
2545 inp->inp_flags &= ~INP_SOCKREF; in tcp_close()
2559 * reporting soft errors (yet - a kqueue filter may be added).
2578 if (tp->t_state == TCPS_ESTABLISHED && in tcp_notify()
2581 if (inp->inp_route.ro_nh) { in tcp_notify()
2582 NH_FREE(inp->inp_route.ro_nh); in tcp_notify()
2583 inp->inp_route.ro_nh = (struct nhop_object *)NULL; in tcp_notify()
2586 } else if (tp->t_state < TCPS_ESTABLISHED && tp->t_rxtshift > 3 && in tcp_notify()
2587 tp->t_softerror) { in tcp_notify()
2594 tp->t_softerror = error; in tcp_notify()
2598 wakeup( &so->so_timeo); in tcp_notify()
2613 if (req->newptr != NULL) in tcp_pcblist()
2616 if (req->oldptr == NULL) { in tcp_pcblist()
2622 req->oldidx = 2 * (sizeof xig) + n * sizeof(struct xtcpcb); in tcp_pcblist()
2644 if (inp->inp_gencnt <= xig.xig_gen && in tcp_pcblist()
2645 cr_canseeinpcb(req->td->td_ucred, inp) == 0) { in tcp_pcblist()
2705 if (req->newptr != NULL) in tcp_ktlslist_locked()
2719 if (inp->inp_gencnt > ipi_gencnt || in tcp_ktlslist_locked()
2720 cr_canseeinpcb(req->td->td_ucred, inp) != 0) in tcp_ktlslist_locked()
2723 so = inp->inp_socket; in tcp_ktlslist_locked()
2724 if (so != NULL && so->so_gencnt <= xig.xig_sogen) { in tcp_ktlslist_locked()
2727 req->td, inp); in tcp_ktlslist_locked()
2728 ksr = so->so_rcv.sb_tls_info; in tcp_ktlslist_locked()
2730 ksr->gen = xig.xig_gen; in tcp_ktlslist_locked()
2738 if (ksr->snd_tag != NULL && in tcp_ktlslist_locked()
2739 ksr->snd_tag->sw->snd_tag_status_str != in tcp_ktlslist_locked()
2744 error = ksr->snd_tag->sw-> in tcp_ktlslist_locked()
2746 ksr->snd_tag, NULL, &sz); in tcp_ktlslist_locked()
2753 kss = so->so_snd.sb_tls_info; in tcp_ktlslist_locked()
2755 kss->gen = xig.xig_gen; in tcp_ktlslist_locked()
2763 if (kss->snd_tag != NULL && in tcp_ktlslist_locked()
2764 kss->snd_tag->sw->snd_tag_status_str != in tcp_ktlslist_locked()
2769 error = kss->snd_tag->sw-> in tcp_ktlslist_locked()
2771 kss->snd_tag, NULL, &sz); in tcp_ktlslist_locked()
2785 if (req->oldptr == NULL) { in tcp_ktlslist_locked()
2788 req->oldidx = len; in tcp_ktlslist_locked()
2805 if (inp->inp_gencnt > ipi_gencnt || in tcp_ktlslist_locked()
2806 cr_canseeinpcb(req->td->td_ucred, inp) != 0) in tcp_ktlslist_locked()
2809 so = inp->inp_socket; in tcp_ktlslist_locked()
2814 ek = export_keys && cr_canexport_ktlskeys(req->td, inp); in tcp_ktlslist_locked()
2815 ksr = so->so_rcv.sb_tls_info; in tcp_ktlslist_locked()
2816 kss = so->so_snd.sb_tls_info; in tcp_ktlslist_locked()
2818 if (ksr != NULL && ksr->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2820 ktls_session_to_xktls_onedir(ksr, ek, &xktls->rcv); in tcp_ktlslist_locked()
2822 if (kss != NULL && kss->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2824 ktls_session_to_xktls_onedir(kss, ek, &xktls->snd); in tcp_ktlslist_locked()
2829 xktls->inp_gencnt = inp->inp_gencnt; in tcp_ktlslist_locked()
2830 xktls->so_pcb = (kvaddr_t)inp; in tcp_ktlslist_locked()
2831 memcpy(&xktls->coninf, &inp->inp_inc, sizeof(xktls->coninf)); in tcp_ktlslist_locked()
2833 if (ksr != NULL && ksr->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2835 sz = buflen - len; in tcp_ktlslist_locked()
2839 xktls->rcv.cipher_key_len = 0; in tcp_ktlslist_locked()
2840 xktls->rcv.auth_key_len = 0; in tcp_ktlslist_locked()
2842 if (ksr->snd_tag != NULL && in tcp_ktlslist_locked()
2843 ksr->snd_tag->sw->snd_tag_status_str != NULL) { in tcp_ktlslist_locked()
2847 error = ksr->snd_tag->sw->snd_tag_status_str( in tcp_ktlslist_locked()
2848 ksr->snd_tag, buf + len, &sz); in tcp_ktlslist_locked()
2852 xktls->rcv.drv_st_len = sz; in tcp_ktlslist_locked()
2857 if (kss != NULL && kss->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2859 sz = buflen - len; in tcp_ktlslist_locked()
2863 xktls->snd.cipher_key_len = 0; in tcp_ktlslist_locked()
2864 xktls->snd.auth_key_len = 0; in tcp_ktlslist_locked()
2866 if (kss->snd_tag != NULL && in tcp_ktlslist_locked()
2867 kss->snd_tag->sw->snd_tag_status_str != NULL) { in tcp_ktlslist_locked()
2871 error = kss->snd_tag->sw->snd_tag_status_str( in tcp_ktlslist_locked()
2872 kss->snd_tag, buf + len, &sz); in tcp_ktlslist_locked()
2876 xktls->snd.drv_st_len = sz; in tcp_ktlslist_locked()
2882 xktls->tsz = len; in tcp_ktlslist_locked()
2883 xktls->fsz = sizeof(*xktls); in tcp_ktlslist_locked()
2920 req->oldidx = 0; in tcp_ktlslist1()
2957 if (req->newptr == NULL) in tcp_getcred()
2959 error = priv_check(req->td, PRIV_NETINET_GETCRED); in tcp_getcred()
2971 error = cr_canseeinpcb(req->td->td_ucred, inp); in tcp_getcred()
2973 cru2x(inp->inp_cred, &xuc); in tcp_getcred()
3001 if (req->newptr == NULL) in tcp6_getcred()
3003 error = priv_check(req->td, PRIV_NETINET_GETCRED); in tcp6_getcred()
3039 error = cr_canseeinpcb(req->td->td_ucred, inp); in tcp6_getcred()
3041 cru2x(inp->inp_cred, &xuc); in tcp6_getcred()
3057 /* Path MTU to try next when a fragmentation-needed message is received. */
3061 int mtu = ntohs(icp->icmp_nextmtu); in tcp_next_pmtu()
3065 mtu = ip_next_mtu(ntohs(ip->ip_len), 1); in tcp_next_pmtu()
3098 if (V_icmp_may_rst && icp->icmp_type == ICMP_TIMXCEED) in tcp_ctlinput_with_port()
3107 ip = &icp->icmp_ip; in tcp_ctlinput_with_port()
3108 th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); in tcp_ctlinput_with_port()
3109 icmp_tcp_seq = th->th_seq; in tcp_ctlinput_with_port()
3110 inp = in_pcblookup(&V_tcbinfo, ip->ip_dst, th->th_dport, ip->ip_src, in tcp_ctlinput_with_port()
3111 th->th_sport, INPLOOKUP_WLOCKPCB, NULL); in tcp_ctlinput_with_port()
3115 if (tp->t_flags & TF_TOE && errno == EMSGSIZE) { in tcp_ctlinput_with_port()
3125 if (tp->t_port != port) in tcp_ctlinput_with_port()
3127 if (SEQ_GEQ(ntohl(icmp_tcp_seq), tp->snd_una) && in tcp_ctlinput_with_port()
3128 SEQ_LT(ntohl(icmp_tcp_seq), tp->snd_max)) { in tcp_ctlinput_with_port()
3140 if (mtu < tp->t_maxseg + in tcp_ctlinput_with_port()
3143 inc.inc_faddr = ip->ip_dst; in tcp_ctlinput_with_port()
3145 inp->inp_inc.inc_fibnum; in tcp_ctlinput_with_port()
3154 inc.inc_fport = th->th_dport; in tcp_ctlinput_with_port()
3155 inc.inc_lport = th->th_sport; in tcp_ctlinput_with_port()
3156 inc.inc_faddr = ip->ip_dst; in tcp_ctlinput_with_port()
3157 inc.inc_laddr = ip->ip_src; in tcp_ctlinput_with_port()
3182 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); in tcp_ctlinput_viaudp()
3183 inner_ip = &icmp->icmp_ip; in tcp_ctlinput_viaudp()
3184 i_hlen = inner_ip->ip_hl << 2; in tcp_ctlinput_viaudp()
3185 o_len = ntohs(outer_ip->ip_len); in tcp_ctlinput_viaudp()
3193 if (ntohs(udp->uh_sport) != V_tcp_udp_tunneling_port) { in tcp_ctlinput_viaudp()
3196 port = udp->uh_dport; in tcp_ctlinput_viaudp()
3201 o_len -= sizeof(struct udphdr); in tcp_ctlinput_viaudp()
3202 outer_ip->ip_len = htons(o_len); in tcp_ctlinput_viaudp()
3212 int mtu = ntohl(icmp6->icmp6_mtu); in tcp6_next_pmtu()
3243 icmp6 = ip6cp->ip6c_icmp6; in tcp6_ctlinput_with_port()
3244 m = ip6cp->ip6c_m; in tcp6_ctlinput_with_port()
3245 ip6 = ip6cp->ip6c_ip6; in tcp6_ctlinput_with_port()
3246 off = ip6cp->ip6c_off; in tcp6_ctlinput_with_port()
3247 dst = &ip6cp->ip6c_finaldst->sin6_addr; in tcp6_ctlinput_with_port()
3265 * - administratively prohibited in tcp6_ctlinput_with_port()
3266 * - port unreachable in tcp6_ctlinput_with_port()
3267 * - time exceeded in transit in tcp6_ctlinput_with_port()
3268 * - unknown next header in tcp6_ctlinput_with_port()
3271 ((icmp6->icmp6_type == ICMP6_DST_UNREACH && in tcp6_ctlinput_with_port()
3272 (icmp6->icmp6_code == ICMP6_DST_UNREACH_ADMIN || in tcp6_ctlinput_with_port()
3273 icmp6->icmp6_code == ICMP6_DST_UNREACH_NOPORT)) || in tcp6_ctlinput_with_port()
3274 (icmp6->icmp6_type == ICMP6_TIME_EXCEEDED && in tcp6_ctlinput_with_port()
3275 icmp6->icmp6_code == ICMP6_TIME_EXCEED_TRANSIT) || in tcp6_ctlinput_with_port()
3276 (icmp6->icmp6_type == ICMP6_PARAM_PROB && in tcp6_ctlinput_with_port()
3277 icmp6->icmp6_code == ICMP6_PARAMPROB_NEXTHEADER))) in tcp6_ctlinput_with_port()
3288 (m->m_pkthdr.len < in tcp6_ctlinput_with_port()
3294 inp = in6_pcblookup(&V_tcbinfo, &ip6->ip6_dst, t_ports.th_dport, in tcp6_ctlinput_with_port()
3295 &ip6->ip6_src, t_ports.th_sport, INPLOOKUP_WLOCKPCB, NULL); in tcp6_ctlinput_with_port()
3297 if (m->m_pkthdr.len < (int32_t) (off + sizeof(tcp_seq))) { in tcp6_ctlinput_with_port()
3304 if (tp->t_flags & TF_TOE && errno == EMSGSIZE) { in tcp6_ctlinput_with_port()
3311 if (tp->t_port != port) in tcp6_ctlinput_with_port()
3313 if (SEQ_GEQ(ntohl(icmp_tcp_seq), tp->snd_una) && in tcp6_ctlinput_with_port()
3314 SEQ_LT(ntohl(icmp_tcp_seq), tp->snd_max)) { in tcp6_ctlinput_with_port()
3329 m->m_pkthdr.rcvif, NULL)) in tcp6_ctlinput_with_port()
3335 if (mtu < tp->t_maxseg + in tcp6_ctlinput_with_port()
3352 inc.inc6_laddr = ip6->ip6_src; in tcp6_ctlinput_with_port()
3374 m = m_pulldown(ip6cp->ip6c_m, ip6cp->ip6c_off, sizeof(struct udphdr), NULL); in tcp6_ctlinput_viaudp()
3379 if (ntohs(udp->uh_sport) != V_tcp_udp_tunneling_port) { in tcp6_ctlinput_viaudp()
3382 port = udp->uh_dport; in tcp6_ctlinput_viaudp()
3384 if ((m->m_flags & M_PKTHDR) == 0) { in tcp6_ctlinput_viaudp()
3385 ip6cp->ip6c_m->m_pkthdr.len -= sizeof(struct udphdr); in tcp6_ctlinput_viaudp()
3403 SipHash_Update(&ctx, &inc->inc_fport, sizeof(uint16_t)); in tcp_keyed_hash()
3404 SipHash_Update(&ctx, &inc->inc_lport, sizeof(uint16_t)); in tcp_keyed_hash()
3405 switch (inc->inc_flags & INC_ISIPV6) { in tcp_keyed_hash()
3408 SipHash_Update(&ctx, &inc->inc_faddr, sizeof(struct in_addr)); in tcp_keyed_hash()
3409 SipHash_Update(&ctx, &inc->inc_laddr, sizeof(struct in_addr)); in tcp_keyed_hash()
3414 SipHash_Update(&ctx, &inc->inc6_faddr, sizeof(struct in6_addr)); in tcp_keyed_hash()
3415 SipHash_Update(&ctx, &inc->inc6_laddr, sizeof(struct in6_addr)); in tcp_keyed_hash()
3445 * 1. In SYN-ACK packets.
3448 * All ISNs for SYN-ACK packets are generated by the syncache. See
3487 #define ISN_RANDOM_INCREMENT (4096 - 1)
3524 ISN_BYTES_PER_SECOND / hz * (ticks - V_isn_last); in tcp_new_isn()
3537 * connection state is SYN-SENT, drop the connection. This behavior
3549 if (tp->t_state != TCPS_SYN_SENT) in tcp_drop_syn_sent()
3552 if (tp->t_flags & TF_FASTOPEN) in tcp_drop_syn_sent()
3572 return (tcp_mtudisc(inp, -1)); in tcp_mtudisc_notify()
3586 tcp_mss_update(tp, -1, mtuoffer, NULL, NULL); in tcp_mtudisc()
3588 so = inp->inp_socket; in tcp_mtudisc()
3591 if (so->so_snd.sb_hiwat < tp->t_maxseg) { in tcp_mtudisc()
3592 tp->t_maxseg = so->so_snd.sb_hiwat; in tcp_mtudisc()
3593 if (tp->t_maxseg < V_tcp_mssdflt) { in tcp_mtudisc()
3599 tp->t_flags2 |= TF2_PROC_SACK_PROHIBIT; in tcp_mtudisc()
3601 tp->t_flags2 &= ~TF2_PROC_SACK_PROHIBIT; in tcp_mtudisc()
3607 tp->t_rtttime = 0; in tcp_mtudisc()
3608 tp->snd_nxt = tp->snd_una; in tcp_mtudisc()
3610 tp->snd_recover = tp->snd_max; in tcp_mtudisc()
3611 if (tp->t_flags & TF_SACK_PERMIT) in tcp_mtudisc()
3612 EXIT_FASTRECOVERY(tp->t_flags); in tcp_mtudisc()
3613 if (tp->t_fb->tfb_tcp_mtu_chg != NULL) { in tcp_mtudisc()
3620 tp->t_fb->tfb_tcp_mtu_chg(tp); in tcp_mtudisc()
3630 * Look-up the routing entry to the peer of this inpcb. If no route
3644 if (inc->inc_faddr.s_addr != INADDR_ANY) { in tcp_maxmtu()
3645 nh = fib4_lookup(inc->inc_fibnum, inc->inc_faddr, 0, NHR_NONE, 0); in tcp_maxmtu()
3649 ifp = nh->nh_ifp; in tcp_maxmtu()
3650 maxmtu = nh->nh_mtu; in tcp_maxmtu()
3654 if (ifp->if_capenable & IFCAP_TSO4 && in tcp_maxmtu()
3655 ifp->if_hwassist & CSUM_TSO) { in tcp_maxmtu()
3656 cap->ifcap |= CSUM_TSO; in tcp_maxmtu()
3657 cap->tsomax = ifp->if_hw_tsomax; in tcp_maxmtu()
3658 cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount; in tcp_maxmtu()
3659 cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize; in tcp_maxmtu()
3661 cap->ipsec_tso = (ifp->if_capenable2 & in tcp_maxmtu()
3682 if (inc->inc_flags & INC_IPV6MINMTU) in tcp_maxmtu6()
3685 if (!IN6_IS_ADDR_UNSPECIFIED(&inc->inc6_faddr)) { in tcp_maxmtu6()
3686 in6_splitscope(&inc->inc6_faddr, &dst6, &scopeid); in tcp_maxmtu6()
3687 nh = fib6_lookup(inc->inc_fibnum, &dst6, scopeid, NHR_NONE, 0); in tcp_maxmtu6()
3691 ifp = nh->nh_ifp; in tcp_maxmtu6()
3692 maxmtu = nh->nh_mtu; in tcp_maxmtu6()
3696 if (ifp->if_capenable & IFCAP_TSO6 && in tcp_maxmtu6()
3697 ifp->if_hwassist & CSUM_TSO) { in tcp_maxmtu6()
3698 cap->ifcap |= CSUM_TSO; in tcp_maxmtu6()
3699 cap->tsomax = ifp->if_hw_tsomax; in tcp_maxmtu6()
3700 cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount; in tcp_maxmtu6()
3701 cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize; in tcp_maxmtu6()
3702 cap->ipsec_tso = false; /* XXXKIB */ in tcp_maxmtu6()
3733 inp->inp_inc.inc_flags |= INC_IPV6MINMTU; in tcp6_use_min_mtu()
3734 if ((tp->t_state >= TCPS_SYN_SENT) && in tcp6_use_min_mtu()
3735 (inp->inp_inc.inc_flags & INC_ISIPV6)) { in tcp6_use_min_mtu()
3738 opt = inp->in6p_outputopts; in tcp6_use_min_mtu()
3739 if (opt != NULL && opt->ip6po_minmtu == IP6PO_MINMTU_ALL && in tcp6_use_min_mtu()
3740 tp->t_maxseg > TCP6_MSS) { in tcp6_use_min_mtu()
3741 tp->t_maxseg = TCP6_MSS; in tcp6_use_min_mtu()
3742 if (tp->t_maxseg < V_tcp_mssdflt) { in tcp6_use_min_mtu()
3748 tp->t_flags2 |= TF2_PROC_SACK_PROHIBIT; in tcp6_use_min_mtu()
3750 tp->t_flags2 &= ~TF2_PROC_SACK_PROHIBIT; in tcp6_use_min_mtu()
3766 if (tp->t_flags & TF_NOOPT) in tcp_maxseg()
3767 return (tp->t_maxseg); in tcp_maxseg()
3776 if (TCPS_HAVEESTABLISHED(tp->t_state)) { in tcp_maxseg()
3777 if (tp->t_flags & TF_RCVD_TSTMP) in tcp_maxseg()
3782 if (tp->t_flags & TF_SIGNATURE) in tcp_maxseg()
3785 if ((tp->t_flags & TF_SACK_PERMIT) && tp->rcv_numsacks > 0) { in tcp_maxseg()
3787 optlen += tp->rcv_numsacks * TCPOLEN_SACK; in tcp_maxseg()
3791 if (tp->t_flags & TF_REQ_TSTMP) in tcp_maxseg()
3795 if (tp->t_flags & TF_REQ_SCALE) in tcp_maxseg()
3798 if (tp->t_flags & TF_SIGNATURE) in tcp_maxseg()
3801 if (tp->t_flags & TF_SACK_PERMIT) in tcp_maxseg()
3805 return (tp->t_maxseg - optlen); in tcp_maxseg()
3814 if (tp->t_flags & TF_NOOPT) in tcp_fixed_maxseg()
3815 return (tp->t_maxseg); in tcp_fixed_maxseg()
3825 if (TCPS_HAVEESTABLISHED(tp->t_state)) { in tcp_fixed_maxseg()
3826 if (tp->t_flags & TF_RCVD_TSTMP) in tcp_fixed_maxseg()
3831 if (tp->t_flags & TF_SIGNATURE) in tcp_fixed_maxseg()
3835 if (tp->t_flags & TF_REQ_TSTMP) in tcp_fixed_maxseg()
3839 if (tp->t_flags & TF_REQ_SCALE) in tcp_fixed_maxseg()
3842 if (tp->t_flags & TF_SIGNATURE) in tcp_fixed_maxseg()
3845 if (tp->t_flags & TF_SACK_PERMIT) in tcp_fixed_maxseg()
3849 return (tp->t_maxseg - optlen); in tcp_fixed_maxseg()
3876 if (req->oldptr != NULL || req->oldlen != 0) in sysctl_drop()
3878 if (req->newptr == NULL) in sysctl_drop()
3880 if (req->newlen < sizeof(addrs)) in sysctl_drop()
3891 if (fin6->sin6_len != sizeof(struct sockaddr_in6) || in sysctl_drop()
3892 lin6->sin6_len != sizeof(struct sockaddr_in6)) in sysctl_drop()
3894 if (IN6_IS_ADDR_V4MAPPED(&fin6->sin6_addr)) { in sysctl_drop()
3895 if (!IN6_IS_ADDR_V4MAPPED(&lin6->sin6_addr)) in sysctl_drop()
3917 if (fin->sin_len != sizeof(struct sockaddr_in) || in sysctl_drop()
3918 lin->sin_len != sizeof(struct sockaddr_in)) in sysctl_drop()
3929 inp = in6_pcblookup(&V_tcbinfo, &fin6->sin6_addr, in sysctl_drop()
3930 fin6->sin6_port, &lin6->sin6_addr, lin6->sin6_port, in sysctl_drop()
3936 inp = in_pcblookup(&V_tcbinfo, fin->sin_addr, fin->sin_port, in sysctl_drop()
3937 lin->sin_addr, lin->sin_port, INPLOOKUP_WLOCKPCB, NULL); in sysctl_drop()
3942 if (!SOLISTENING(inp->inp_socket)) { in sysctl_drop()
3994 if (req->oldptr != NULL || req->oldlen != 0) in sysctl_switch_tls()
3996 if (req->newptr == NULL) in sysctl_switch_tls()
3998 if (req->newlen < sizeof(addrs)) in sysctl_switch_tls()
4009 if (fin6->sin6_len != sizeof(struct sockaddr_in6) || in sysctl_switch_tls()
4010 lin6->sin6_len != sizeof(struct sockaddr_in6)) in sysctl_switch_tls()
4012 if (IN6_IS_ADDR_V4MAPPED(&fin6->sin6_addr)) { in sysctl_switch_tls()
4013 if (!IN6_IS_ADDR_V4MAPPED(&lin6->sin6_addr)) in sysctl_switch_tls()
4035 if (fin->sin_len != sizeof(struct sockaddr_in) || in sysctl_switch_tls()
4036 lin->sin_len != sizeof(struct sockaddr_in)) in sysctl_switch_tls()
4047 inp = in6_pcblookup(&V_tcbinfo, &fin6->sin6_addr, in sysctl_switch_tls()
4048 fin6->sin6_port, &lin6->sin6_addr, lin6->sin6_port, in sysctl_switch_tls()
4054 inp = in_pcblookup(&V_tcbinfo, fin->sin_addr, fin->sin_port, in sysctl_switch_tls()
4055 lin->sin_addr, lin->sin_port, INPLOOKUP_WLOCKPCB, NULL); in sysctl_switch_tls()
4063 so = inp->inp_socket; in sysctl_switch_tls()
4077 "Switch TCP connection to SW TLS");
4151 if (inc && ((inc->inc_flags & INC_ISIPV6) == 0)) { in tcp_log_addr()
4152 inet_ntoa_r(inc->inc_faddr, sp); in tcp_log_addr()
4154 sprintf(sp, "]:%i to [", ntohs(inc->inc_fport)); in tcp_log_addr()
4156 inet_ntoa_r(inc->inc_laddr, sp); in tcp_log_addr()
4158 sprintf(sp, "]:%i", ntohs(inc->inc_lport)); in tcp_log_addr()
4161 ip6_sprintf(sp, &inc->inc6_faddr); in tcp_log_addr()
4163 sprintf(sp, "]:%i to [", ntohs(inc->inc_fport)); in tcp_log_addr()
4165 ip6_sprintf(sp, &inc->inc6_laddr); in tcp_log_addr()
4167 sprintf(sp, "]:%i", ntohs(inc->inc_lport)); in tcp_log_addr()
4169 ip6_sprintf(sp, &ip6->ip6_src); in tcp_log_addr()
4171 sprintf(sp, "]:%i to [", ntohs(th->th_sport)); in tcp_log_addr()
4173 ip6_sprintf(sp, &ip6->ip6_dst); in tcp_log_addr()
4175 sprintf(sp, "]:%i", ntohs(th->th_dport)); in tcp_log_addr()
4179 inet_ntoa_r(ip->ip_src, sp); in tcp_log_addr()
4181 sprintf(sp, "]:%i to [", ntohs(th->th_sport)); in tcp_log_addr()
4183 inet_ntoa_r(ip->ip_dst, sp); in tcp_log_addr()
4185 sprintf(sp, "]:%i", ntohs(th->th_dport)); in tcp_log_addr()
4194 if (*(s + size - 1) != '\0') in tcp_log_addr()
4208 int pstate = tp->t_state; in tcp_state_change()
4211 TCPSTATES_DEC(tp->t_state); in tcp_state_change()
4213 tp->t_state = newstate; in tcp_state_change()
4218 * Create an external-format (``xtcpcb'') structure using the information in
4219 * the kernel-format tcpcb structure pointed to by tp. This is done to
4222 * information-hiding if we decide that some of this information should be
4232 xt->t_state = tp->t_state; in tcp_inptoxtp()
4233 xt->t_logstate = tcp_get_bblog_state(tp); in tcp_inptoxtp()
4234 xt->t_flags = tp->t_flags; in tcp_inptoxtp()
4235 xt->t_sndzerowin = tp->t_sndzerowin; in tcp_inptoxtp()
4236 xt->t_sndrexmitpack = tp->t_sndrexmitpack; in tcp_inptoxtp()
4237 xt->t_rcvoopack = tp->t_rcvoopack; in tcp_inptoxtp()
4238 xt->t_rcv_wnd = tp->rcv_wnd; in tcp_inptoxtp()
4239 xt->t_snd_wnd = tp->snd_wnd; in tcp_inptoxtp()
4240 xt->t_snd_cwnd = tp->snd_cwnd; in tcp_inptoxtp()
4241 xt->t_snd_ssthresh = tp->snd_ssthresh; in tcp_inptoxtp()
4242 xt->t_dsack_bytes = tp->t_dsack_bytes; in tcp_inptoxtp()
4243 xt->t_dsack_tlp_bytes = tp->t_dsack_tlp_bytes; in tcp_inptoxtp()
4244 xt->t_dsack_pack = tp->t_dsack_pack; in tcp_inptoxtp()
4245 xt->t_maxseg = tp->t_maxseg; in tcp_inptoxtp()
4246 xt->xt_ecn = (tp->t_flags2 & TF2_ECN_PERMIT) ? 1 : 0 + in tcp_inptoxtp()
4247 (tp->t_flags2 & TF2_ACE_PERMIT) ? 2 : 0; in tcp_inptoxtp()
4251 if (tp->t_timers[which] != SBT_MAX) \ in tcp_inptoxtp()
4252 xt->where = (tp->t_timers[which] - now) / SBT_1MS; \ in tcp_inptoxtp()
4254 xt->where = 0; \ in tcp_inptoxtp()
4262 xt->t_rcvtime = 1000 * (ticks - tp->t_rcvtime) / hz; in tcp_inptoxtp()
4264 xt->xt_encaps_port = tp->t_port; in tcp_inptoxtp()
4265 bcopy(tp->t_fb->tfb_tcp_block_name, xt->xt_stack, in tcp_inptoxtp()
4267 bcopy(CC_ALGO(tp)->name, xt->xt_cc, TCP_CA_NAME_MAX); in tcp_inptoxtp()
4269 (void)tcp_log_get_id(tp, xt->xt_logid); in tcp_inptoxtp()
4272 xt->xt_len = sizeof(struct xtcpcb); in tcp_inptoxtp()
4273 in_pcbtoxinpcb(inp, &xt->xt_inp); in tcp_inptoxtp()
4291 bit = 1U << (status - 1); in tcp_log_end_status()
4292 if (bit & tp->t_end_info_status) { in tcp_log_end_status()
4297 if (tp->t_end_info_bytes[i] == TCP_EI_EMPTY_SLOT) { in tcp_log_end_status()
4298 tp->t_end_info_bytes[i] = status; in tcp_log_end_status()
4299 tp->t_end_info_status |= bit; in tcp_log_end_status()
4309 if ((tcp_pacing_limit == -1) || in tcp_can_enable_pacing()
4323 if ((tcp_dgp_limit == -1) || in tcp_incr_dgp_pacing_cnt()
4341 ret = atomic_fetchadd_int(&number_of_dgp_connections, -1); in tcp_dec_dgp_pacing_cnt()
4343 KASSERT(ret != 0, ("number_of_dgp_connections -1 would cause wrap?")); in tcp_dec_dgp_pacing_cnt()
4345 if (tcp_dgp_limit != -1) { in tcp_dec_dgp_pacing_cnt()
4364 ret = atomic_fetchadd_int(&number_of_tcp_connections_pacing, -1); in tcp_decrement_paced_conn()
4366 KASSERT(ret != 0, ("tcp_paced_connection_exits -1 would cause wrap?")); in tcp_decrement_paced_conn()
4368 if (tcp_pacing_limit != -1) { in tcp_decrement_paced_conn()
4399 if (SEQ_LT(th->th_ack, tp->snd_una)) { in tcp_do_ack_accounting()
4401 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4402 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4403 tp->tcp_cnt_counters[ACK_SACK]++; in tcp_do_ack_accounting()
4407 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4408 tp->tcp_cnt_counters[ACK_BEHIND]++; in tcp_do_ack_accounting()
4412 } else if (th->th_ack == tp->snd_una) { in tcp_do_ack_accounting()
4414 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4415 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4416 tp->tcp_cnt_counters[ACK_SACK]++; in tcp_do_ack_accounting()
4419 } else if (tiwin != tp->snd_wnd) { in tcp_do_ack_accounting()
4420 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4421 tp->tcp_cnt_counters[ACK_RWND]++; in tcp_do_ack_accounting()
4425 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4426 tp->tcp_cnt_counters[ACK_DUPACK]++; in tcp_do_ack_accounting()
4431 if (!SEQ_GT(th->th_ack, tp->snd_max)) { in tcp_do_ack_accounting()
4432 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4433 tp->tcp_cnt_counters[CNT_OF_ACKS_IN] += (((th->th_ack - tp->snd_una) + mss - 1)/mss); in tcp_do_ack_accounting()
4436 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4437 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4438 tp->tcp_cnt_counters[ACK_CUMACK_SACK]++; in tcp_do_ack_accounting()
4442 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4443 tp->tcp_cnt_counters[ACK_CUMACK]++; in tcp_do_ack_accounting()
4454 if (tp->t_tmr_granularity == granularity) { in tcp_change_time_units()
4459 KASSERT((tp->t_tmr_granularity == TCP_TMR_GRANULARITY_TICKS), in tcp_change_time_units()
4461 tp->t_tmr_granularity, tp)); in tcp_change_time_units()
4462 tp->t_rttlow = TICKS_2_USEC(tp->t_rttlow); in tcp_change_time_units()
4463 if (tp->t_srtt > 1) { in tcp_change_time_units()
4466 val = tp->t_srtt >> TCP_RTT_SHIFT; in tcp_change_time_units()
4467 frac = tp->t_srtt & 0x1f; in tcp_change_time_units()
4468 tp->t_srtt = TICKS_2_USEC(val); in tcp_change_time_units()
4480 tp->t_srtt += frac; in tcp_change_time_units()
4483 if (tp->t_rttvar) { in tcp_change_time_units()
4486 val = tp->t_rttvar >> TCP_RTTVAR_SHIFT; in tcp_change_time_units()
4487 frac = tp->t_rttvar & 0x1f; in tcp_change_time_units()
4488 tp->t_rttvar = TICKS_2_USEC(val); in tcp_change_time_units()
4500 tp->t_rttvar += frac; in tcp_change_time_units()
4503 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_USEC; in tcp_change_time_units()
4506 KASSERT((tp->t_tmr_granularity == TCP_TMR_GRANULARITY_USEC), in tcp_change_time_units()
4508 tp->t_tmr_granularity, tp)); in tcp_change_time_units()
4509 if (tp->t_srtt > 1) { in tcp_change_time_units()
4512 val = USEC_2_TICKS(tp->t_srtt); in tcp_change_time_units()
4513 frac = tp->t_srtt % (HPTS_USEC_IN_SEC / hz); in tcp_change_time_units()
4514 tp->t_srtt = val << TCP_RTT_SHIFT; in tcp_change_time_units()
4527 tp->t_srtt += frac; in tcp_change_time_units()
4530 if (tp->t_rttvar) { in tcp_change_time_units()
4533 val = USEC_2_TICKS(tp->t_rttvar); in tcp_change_time_units()
4534 frac = tp->t_rttvar % (HPTS_USEC_IN_SEC / hz); in tcp_change_time_units()
4535 tp->t_rttvar = val << TCP_RTTVAR_SHIFT; in tcp_change_time_units()
4548 tp->t_rttvar += frac; in tcp_change_time_units()
4551 tp->t_rttlow = USEC_2_TICKS(tp->t_rttlow); in tcp_change_time_units()
4552 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_TICKS; in tcp_change_time_units()
4575 if (tp->t_flags2 & TF2_MBUF_L_ACKS) in tcp_handle_orphaned_packets()
4577 if ((tp->t_flags2 & TF2_SUPPORTS_MBUFQ) == 0 && in tcp_handle_orphaned_packets()
4578 !STAILQ_EMPTY(&tp->t_inqueue)) { in tcp_handle_orphaned_packets()
4582 * can occur). If we were to find a RST, then we in tcp_handle_orphaned_packets()
4589 m = STAILQ_FIRST(&tp->t_inqueue); in tcp_handle_orphaned_packets()
4590 STAILQ_INIT(&tp->t_inqueue); in tcp_handle_orphaned_packets()
4591 STAILQ_FOREACH_FROM_SAFE(m, &tp->t_inqueue, m_stailqpkt, save) in tcp_handle_orphaned_packets()
4599 STAILQ_FOREACH_SAFE(m, &tp->t_inqueue, m_stailqpkt, save) { in tcp_handle_orphaned_packets()
4600 if (m->m_flags & M_ACKCMP) { in tcp_handle_orphaned_packets()
4601 if (m == STAILQ_FIRST(&tp->t_inqueue)) in tcp_handle_orphaned_packets()
4602 STAILQ_REMOVE_HEAD(&tp->t_inqueue, in tcp_handle_orphaned_packets()
4605 STAILQ_REMOVE_AFTER(&tp->t_inqueue, in tcp_handle_orphaned_packets()
4622 tls = so->so_snd.sb_tls_info; in tcp_estimate_tls_overhead()
4626 rec_oh = tls->params.tls_hlen + tls->params.tls_tlen; in tcp_estimate_tls_overhead()
4627 records = ((tls_usr_bytes + tls->params.max_frame_len - 1)/tls->params.max_frame_len); in tcp_estimate_tls_overhead()
4650 log.u_bbr.rttProp = req->timestamp; in tcp_req_log_req_info()
4651 log.u_bbr.delRate = req->start; in tcp_req_log_req_info()
4652 log.u_bbr.cur_del_rate = req->end; in tcp_req_log_req_info()
4653 log.u_bbr.flex1 = req->start_seq; in tcp_req_log_req_info()
4654 log.u_bbr.flex2 = req->end_seq; in tcp_req_log_req_info()
4655 log.u_bbr.flex3 = req->flags; in tcp_req_log_req_info()
4656 log.u_bbr.flex4 = ((req->localtime >> 32) & 0x00000000ffffffff); in tcp_req_log_req_info()
4657 log.u_bbr.flex5 = (req->localtime & 0x00000000ffffffff); in tcp_req_log_req_info()
4664 log.u_bbr.lt_epoch = ((req->cspr >> 32) & 0x00000000ffffffff); in tcp_req_log_req_info()
4665 log.u_bbr.pkts_out |= (req->cspr & 0x00000000ffffffff); in tcp_req_log_req_info()
4666 log.u_bbr.applimited = tp->t_tcpreq_closed; in tcp_req_log_req_info()
4668 log.u_bbr.applimited |= tp->t_tcpreq_open; in tcp_req_log_req_info()
4670 log.u_bbr.applimited |= tp->t_tcpreq_req; in tcp_req_log_req_info()
4673 &tptosocket(tp)->so_rcv, in tcp_req_log_req_info()
4674 &tptosocket(tp)->so_snd, in tcp_req_log_req_info()
4683 if (tp->t_tcpreq_req > 0) in tcp_req_free_a_slot()
4684 tp->t_tcpreq_req--; in tcp_req_free_a_slot()
4685 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) { in tcp_req_free_a_slot()
4686 if (tp->t_tcpreq_open > 0) in tcp_req_free_a_slot()
4687 tp->t_tcpreq_open--; in tcp_req_free_a_slot()
4689 if (tp->t_tcpreq_closed > 0) in tcp_req_free_a_slot()
4690 tp->t_tcpreq_closed--; in tcp_req_free_a_slot()
4692 ent->flags = TCP_TRK_TRACK_FLG_EMPTY; in tcp_req_free_a_slot()
4703 ent = &tp->t_tcpreq_info[i]; in tcp_req_check_for_stale_entries()
4704 if (ent->flags != TCP_TRK_TRACK_FLG_USED) { in tcp_req_check_for_stale_entries()
4713 if (ts >= ent->localtime) in tcp_req_check_for_stale_entries()
4714 time_delta = ts - ent->localtime; in tcp_req_check_for_stale_entries()
4725 * No sendfile in a our time-limit in tcp_req_check_for_stale_entries()
4729 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], i, TCP_TRK_REQ_LOG_STALE, in tcp_req_check_for_stale_entries()
4735 ent = &tp->t_tcpreq_info[oldest]; in tcp_req_check_for_stale_entries()
4736 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], i, TCP_TRK_REQ_LOG_STALE, in tcp_req_check_for_stale_entries()
4749 if (tp->t_tcpreq_req == 0) in tcp_req_check_for_comp()
4751 if (tp->t_tcpreq_closed == 0) in tcp_req_check_for_comp()
4754 ent = &tp->t_tcpreq_info[i]; in tcp_req_check_for_comp()
4756 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_check_for_comp()
4759 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) in tcp_req_check_for_comp()
4761 if (SEQ_GEQ(ack_point, ent->end_seq)) { in tcp_req_check_for_comp()
4762 /* We are past it -- free it */ in tcp_req_check_for_comp()
4775 if (tp->t_tcpreq_req == 0) in tcp_req_is_entry_comp()
4776 return (-1); in tcp_req_is_entry_comp()
4777 if (tp->t_tcpreq_closed == 0) in tcp_req_is_entry_comp()
4778 return (-1); in tcp_req_is_entry_comp()
4779 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_is_entry_comp()
4780 return (-1); in tcp_req_is_entry_comp()
4781 if (SEQ_GEQ(ack_point, ent->end_seq)) { in tcp_req_is_entry_comp()
4798 if (tp->t_tcpreq_req == 0) { in tcp_req_find_a_req_that_is_completed_by()
4803 ent = &tp->t_tcpreq_info[i]; in tcp_req_find_a_req_that_is_completed_by()
4804 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_find_a_req_that_is_completed_by()
4806 if ((ent->flags & TCP_TRK_TRACK_FLG_OPEN) == 0) { in tcp_req_find_a_req_that_is_completed_by()
4807 if (SEQ_GEQ(th_ack, ent->end_seq)) { in tcp_req_find_a_req_that_is_completed_by()
4822 if (tp->t_tcpreq_req == 0) { in tcp_req_find_req_for_seq()
4827 ent = &tp->t_tcpreq_info[i]; in tcp_req_find_req_for_seq()
4830 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) { in tcp_req_find_req_for_seq()
4833 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) { in tcp_req_find_req_for_seq()
4841 if ((SEQ_GEQ(seq, ent->start_seq)) || in tcp_req_find_req_for_seq()
4842 (tp->t_tcpreq_closed == 0)) in tcp_req_find_req_for_seq()
4850 if ((SEQ_GEQ(seq, ent->start_seq)) && in tcp_req_find_req_for_seq()
4851 (SEQ_LT(seq, ent->end_seq))) { in tcp_req_find_req_for_seq()
4867 tcp_req_check_for_comp(tp, tp->snd_una); in tcp_req_alloc_req_full()
4869 if (tp->t_tcpreq_req) in tcp_req_alloc_req_full()
4871 (tp->t_tcpreq_req >= MAX_TCP_TRK_REQ)); in tcp_req_alloc_req_full()
4873 if (tp->t_tcpreq_req) { in tcp_req_alloc_req_full()
4875 fil = &tp->t_tcpreq_info[i]; in tcp_req_alloc_req_full()
4876 if ((fil->flags & TCP_TRK_TRACK_FLG_USED) == 0) in tcp_req_alloc_req_full()
4878 if ((fil->timestamp == req->timestamp) && in tcp_req_alloc_req_full()
4879 (fil->start == req->start) && in tcp_req_alloc_req_full()
4880 ((fil->flags & TCP_TRK_TRACK_FLG_OPEN) || in tcp_req_alloc_req_full()
4881 (fil->end == req->end))) { in tcp_req_alloc_req_full()
4894 if (tp->t_tcpreq_req >= MAX_TCP_TRK_REQ) { in tcp_req_alloc_req_full()
4897 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], in tcp_req_alloc_req_full()
4903 fil = &tp->t_tcpreq_info[i]; in tcp_req_alloc_req_full()
4904 if (fil->flags == TCP_TRK_TRACK_FLG_EMPTY) { in tcp_req_alloc_req_full()
4906 fil->flags = TCP_TRK_TRACK_FLG_USED; in tcp_req_alloc_req_full()
4907 fil->timestamp = req->timestamp; in tcp_req_alloc_req_full()
4908 fil->playout_ms = req->playout_ms; in tcp_req_alloc_req_full()
4909 fil->localtime = ts; in tcp_req_alloc_req_full()
4910 fil->start = req->start; in tcp_req_alloc_req_full()
4911 if (req->flags & TCP_LOG_HTTPD_RANGE_END) { in tcp_req_alloc_req_full()
4912 fil->end = req->end; in tcp_req_alloc_req_full()
4914 fil->end = 0; in tcp_req_alloc_req_full()
4915 fil->flags |= TCP_TRK_TRACK_FLG_OPEN; in tcp_req_alloc_req_full()
4922 fil->sbcc_at_s = tptosocket(tp)->so_snd.sb_ccc; in tcp_req_alloc_req_full()
4923 fil->start_seq = tp->snd_una + in tcp_req_alloc_req_full()
4924 tptosocket(tp)->so_snd.sb_ccc; in tcp_req_alloc_req_full()
4925 if (req->flags & TCP_LOG_HTTPD_RANGE_END) in tcp_req_alloc_req_full()
4926 fil->end_seq = (fil->start_seq + ((uint32_t)(fil->end - fil->start))); in tcp_req_alloc_req_full()
4928 fil->end_seq = 0; in tcp_req_alloc_req_full()
4929 if (tptosocket(tp)->so_snd.sb_tls_info) { in tcp_req_alloc_req_full()
4934 fil->end_seq += tcp_estimate_tls_overhead( in tcp_req_alloc_req_full()
4935 tptosocket(tp), (fil->end - fil->start)); in tcp_req_alloc_req_full()
4937 tp->t_tcpreq_req++; in tcp_req_alloc_req_full()
4938 if (fil->flags & TCP_TRK_TRACK_FLG_OPEN) in tcp_req_alloc_req_full()
4939 tp->t_tcpreq_open++; in tcp_req_alloc_req_full()
4941 tp->t_tcpreq_closed++; in tcp_req_alloc_req_full()
4954 (void)tcp_req_alloc_req_full(tp, &user->tcp_req, ts, 1); in tcp_req_alloc_req()
4965 &tptosocket(tp)->so_rcv, in tcp_log_socket_option()
4966 &tptosocket(tp)->so_snd, in tcp_log_socket_option()
4971 l->tlb_flex1 = option_num; in tcp_log_socket_option()
4972 l->tlb_flex2 = option_val; in tcp_log_socket_option()
4987 srtt = tp->t_srtt; in tcp_get_srtt()
4994 if (tp->t_tmr_granularity != granularity) { in tcp_get_srtt()
5007 if (tp->t_tmr_granularity == TCP_TMR_GRANULARITY_TICKS) in tcp_get_srtt()
5019 tp->t_sndtlppack++; in tcp_account_for_send()
5020 tp->t_sndtlpbyte += len; in tcp_account_for_send()
5024 tp->t_snd_rxt_bytes += len; in tcp_account_for_send()
5026 tp->t_sndbytes += len; in tcp_account_for_send()
5032 rexmit_percent = (1000ULL * tp->t_snd_rxt_bytes) / in tcp_account_for_send()
5033 (10ULL * (tp->t_snd_rxt_bytes + tp->t_sndbytes)); in tcp_account_for_send()