Lines Matching +full:timer +full:- +full:cannot +full:- +full:wake +full:- +full:cpu
1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
157 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_mss_check()
179 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_mss_v6_check()
198 * bandwidth and quickly saturates the CPU and network interface
215 * stacks negotiate TS, but don't send them when sending keep-alive segments.
240 …"If the TCP stack does pacing, is there a limit (-1 = no, 0 = no pacing N = number of connections)…
242 static int tcp_dgp_limit = -1;
244 &tcp_dgp_limit, -1,
245 "If the TCP stack does DGP, is there a limit (-1 = no, 0 = no dgp N = number of connections)");
271 &tcp_tcbhashsize, 0, "Size of TCP control-block hashtable");
307 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_map_limit_check()
369 tp->t_dsack_pack++; in tcp_record_dsack()
372 tp->t_dsack_bytes += (end - start); in tcp_record_dsack()
373 TCPSTAT_ADD(tcps_dsack_bytes, (end - start)); in tcp_record_dsack()
375 tp->t_dsack_tlp_bytes += (start - end); in tcp_record_dsack()
376 TCPSTAT_ADD(tcps_dsack_bytes, (start - end)); in tcp_record_dsack()
380 tp->t_dsack_bytes += (end - start); in tcp_record_dsack()
381 TCPSTAT_ADD(tcps_dsack_tlp_bytes, (end - start)); in tcp_record_dsack()
383 tp->t_dsack_tlp_bytes += (start - end); in tcp_record_dsack()
384 TCPSTAT_ADD(tcps_dsack_tlp_bytes, (start - end)); in tcp_record_dsack()
397 if (strcmp(f->tf_name, fs->function_set_name) == 0) { in find_tcp_functions_locked()
398 blk = f->tf_fb; in find_tcp_functions_locked()
413 if (f->tf_fb == blk) { in find_tcp_fb_locked()
432 refcount_acquire(&blk->tfb_refcnt); in find_and_ref_tcp_functions()
445 refcount_acquire(&rblk->tfb_refcnt); in find_and_ref_tcp_fb()
461 if ((f->tf_fb == blk) && in find_tcp_function_alias()
462 (strncmp(f->tf_name, blk->tfb_tcp_block_name, in find_tcp_function_alias()
465 strncpy(fs->function_set_name, f->tf_name, in find_tcp_function_alias()
473 fs->function_set_name[TCP_FUNCTION_NAME_LEN_MAX - 1] = '\0'; in find_tcp_function_alias()
475 fs->function_set_name[0] = '\0'; in find_tcp_function_alias()
488 refcount_acquire(&rblk->tfb_refcnt); in find_and_ref_tcp_default_fb()
499 KASSERT(tp->t_fb != &tcp_def_funcblk, in tcp_switch_back_to_default()
500 ("%s: called by the built-in default stack", __func__)); in tcp_switch_back_to_default()
502 if (tp->t_fb->tfb_tcp_timer_stop_all != NULL) in tcp_switch_back_to_default()
503 tp->t_fb->tfb_tcp_timer_stop_all(tp); in tcp_switch_back_to_default()
507 * Start by trying the current user-selected in tcp_switch_back_to_default()
508 * default, unless this stack is the user-selected in tcp_switch_back_to_default()
512 if (tfb == tp->t_fb) { in tcp_switch_back_to_default()
513 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
517 if (tfb != NULL && (*tfb->tfb_tcp_handoff_ok)(tp)) { in tcp_switch_back_to_default()
518 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
524 if (tfb->tfb_tcp_fb_init == NULL || in tcp_switch_back_to_default()
525 (*tfb->tfb_tcp_fb_init)(tp, &ptr) == 0) { in tcp_switch_back_to_default()
527 if (tp->t_fb->tfb_tcp_fb_fini != NULL) in tcp_switch_back_to_default()
528 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 0); in tcp_switch_back_to_default()
529 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_switch_back_to_default()
531 tp->t_fb = tfb; in tcp_switch_back_to_default()
532 tp->t_fb_ptr = ptr; in tcp_switch_back_to_default()
539 refcount_release(&tfb->tfb_refcnt); in tcp_switch_back_to_default()
543 * If that wasn't feasible, use the built-in default in tcp_switch_back_to_default()
551 if ((*tfb->tfb_tcp_handoff_ok)(tp)) { in tcp_switch_back_to_default()
552 /* The default stack cannot say no */ in tcp_switch_back_to_default()
555 if (tfb->tfb_tcp_fb_init != NULL && in tcp_switch_back_to_default()
556 (*tfb->tfb_tcp_fb_init)(tp, &ptr)) { in tcp_switch_back_to_default()
557 /* The default stack cannot fail */ in tcp_switch_back_to_default()
561 if (tp->t_fb->tfb_tcp_fb_fini != NULL) in tcp_switch_back_to_default()
562 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 0); in tcp_switch_back_to_default()
563 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_switch_back_to_default()
565 tp->t_fb = tfb; in tcp_switch_back_to_default()
566 tp->t_fb_ptr = ptr; in tcp_switch_back_to_default()
583 if ((m->m_flags & M_PKTHDR) == 0) { in tcp_recv_udp_tunneled_packet()
589 if (m->m_len < off + sizeof(struct udphdr) + thlen && in tcp_recv_udp_tunneled_packet()
597 thlen = th->th_off << 2; in tcp_recv_udp_tunneled_packet()
598 if (m->m_len < off + sizeof(struct udphdr) + thlen) { in tcp_recv_udp_tunneled_packet()
609 m->m_pkthdr.tcp_tun_port = port = uh->uh_sport; in tcp_recv_udp_tunneled_packet()
610 bcopy(th, uh, m->m_len - off); in tcp_recv_udp_tunneled_packet()
611 m->m_len -= sizeof(struct udphdr); in tcp_recv_udp_tunneled_packet()
612 m->m_pkthdr.len -= sizeof(struct udphdr); in tcp_recv_udp_tunneled_packet()
615 * both UDP and TCP for c-sum. So in tcp_recv_udp_tunneled_packet()
618 * with the flag (m->m_pkthdr.csum_flags). in tcp_recv_udp_tunneled_packet()
620 switch (iph->ip_v) { in tcp_recv_udp_tunneled_packet()
623 iph->ip_len = htons(ntohs(iph->ip_len) - sizeof(struct udphdr)); in tcp_recv_udp_tunneled_packet()
630 ip6->ip6_plen = htons(ntohs(ip6->ip6_plen) - sizeof(struct udphdr)); in tcp_recv_udp_tunneled_packet()
657 strcpy(fs.function_set_name, blk->tfb_tcp_block_name); in sysctl_net_inet_default_tcp_functions()
658 fs.pcbcnt = blk->tfb_refcnt; in sysctl_net_inet_default_tcp_functions()
665 if (error != 0 || req->newptr == NULL) in sysctl_net_inet_default_tcp_functions()
671 (blk->tfb_flags & TCP_FUNC_BEING_REMOVED)) { in sysctl_net_inet_default_tcp_functions()
675 if ((blk->tfb_flags & TCP_FUNC_DEFAULT_OK) == 0) { in sysctl_net_inet_default_tcp_functions()
712 linesz = snprintf(cp, bufsz, "\n%-32s%c %-32s %s\n", "Stack", 'D', in sysctl_net_inet_list_available()
715 bufsz -= linesz; in sysctl_net_inet_list_available()
720 alias = (f->tf_name != f->tf_fb->tfb_tcp_block_name); in sysctl_net_inet_list_available()
721 linesz = snprintf(cp, bufsz, "%-32s%c %-32s %u\n", in sysctl_net_inet_list_available()
722 f->tf_fb->tfb_tcp_block_name, in sysctl_net_inet_list_available()
723 (f->tf_fb == V_tcp_func_set_ptr) ? '*' : ' ', in sysctl_net_inet_list_available()
724 alias ? f->tf_name : "-", in sysctl_net_inet_list_available()
725 f->tf_fb->tfb_refcnt); in sysctl_net_inet_list_available()
731 bufsz -= linesz; in sysctl_net_inet_list_available()
800 /* Already running -- must stop first */ in tcp_over_udp_start()
806 /* Already running -- must stop first */ in tcp_over_udp_start()
813 curthread->td_ucred, curthread))) { in tcp_over_udp_start()
839 curthread->td_ucred, curthread))) { in tcp_over_udp_start()
875 (req->newptr != NULL)) { in sysctl_net_inet_tcp_udp_tunneling_port_check()
912 if (error == 0 && req->newptr) { in sysctl_net_inet_tcp_udp_tunneling_overhead_check()
941 if (req->newptr != NULL) in sysctl_net_inet_list_func_info()
948 if (req->oldptr != NULL) { in sysctl_net_inet_list_func_info()
963 if (req->oldptr == NULL) { in sysctl_net_inet_list_func_info()
972 if (req->oldptr != NULL) { in sysctl_net_inet_list_func_info()
974 tfi.tfi_refcnt = f->tf_fb->tfb_refcnt; in sysctl_net_inet_list_func_info()
975 tfi.tfi_id = f->tf_fb->tfb_id; in sysctl_net_inet_list_func_info()
976 (void)strlcpy(tfi.tfi_alias, f->tf_name, in sysctl_net_inet_list_func_info()
979 f->tf_fb->tfb_tcp_block_name, sizeof(tfi.tfi_name)); in sysctl_net_inet_list_func_info()
994 if (req->oldptr == NULL) in sysctl_net_inet_list_func_info()
1004 "List TCP function block name-to-ID mappings");
1023 * The init() fuction from the default can *never* return non-zero i.e.
1041 tp->t_flags &= ~TF_GPUTINPROG; in tcp_default_fb_init()
1044 if ((tp->t_state == TCPS_SYN_SENT) || in tcp_default_fb_init()
1045 (tp->t_state == TCPS_SYN_RECEIVED)) in tcp_default_fb_init()
1046 rexmt = tcp_rexmit_initial * tcp_backoff[tp->t_rxtshift]; in tcp_default_fb_init()
1048 rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; in tcp_default_fb_init()
1049 if (tp->t_rxtshift == 0) in tcp_default_fb_init()
1050 tp->t_rxtcur = rexmt; in tcp_default_fb_init()
1052 TCPT_RANGESET(tp->t_rxtcur, rexmt, tp->t_rttmin, in tcp_default_fb_init()
1059 if (tp->t_state <= TCPS_LISTEN || tp->t_state >= TCPS_TIME_WAIT) in tcp_default_fb_init()
1063 * Make sure some kind of transmission timer is set if there is in tcp_default_fb_init()
1066 if ((!TCPS_HAVEESTABLISHED(tp->t_state) || sbavail(&so->so_snd) || in tcp_default_fb_init()
1067 tp->snd_una != tp->snd_max) && !(tcp_timer_active(tp, TT_REXMT) || in tcp_default_fb_init()
1071 * be in the persist state, set the persist timer. Otherwise, in tcp_default_fb_init()
1072 * set the retransmit timer. in tcp_default_fb_init()
1074 if (TCPS_HAVEESTABLISHED(tp->t_state) && tp->snd_wnd == 0 && in tcp_default_fb_init()
1075 (int32_t)(tp->snd_nxt - tp->snd_una) < in tcp_default_fb_init()
1076 (int32_t)sbavail(&so->so_snd)) in tcp_default_fb_init()
1082 /* All non-embryonic sessions get a keepalive timer. */ in tcp_default_fb_init()
1085 TCPS_HAVEESTABLISHED(tp->t_state) ? TP_KEEPIDLE(tp) : in tcp_default_fb_init()
1092 if IN_FASTRECOVERY(tp->t_flags) { in tcp_default_fb_init()
1093 if (tp->sackhint.recover_fs == 0) in tcp_default_fb_init()
1094 tp->sackhint.recover_fs = max(1, in tcp_default_fb_init()
1095 tp->snd_nxt - tp->snd_una); in tcp_default_fb_init()
1116 tp->t_acktime = 0; in tcp_default_fb_fini()
1147 hashsize = 1 << (fls(size) - 1); in maketcp_hashsize()
1157 * blk->tfb_tcp_block_name as a stack name. Therefore, you should
1158 * explicitly include blk->tfb_tcp_block_name in the list of names if
1178 ("%s: Called with non-positive length of name list", __func__)); in register_tcp_functions_as_names()
1187 if ((blk->tfb_tcp_output == NULL) || in register_tcp_functions_as_names()
1188 (blk->tfb_tcp_do_segment == NULL) || in register_tcp_functions_as_names()
1189 (blk->tfb_tcp_ctloutput == NULL) || in register_tcp_functions_as_names()
1190 (blk->tfb_tcp_handoff_ok == NULL) || in register_tcp_functions_as_names()
1191 (strlen(blk->tfb_tcp_block_name) == 0)) { in register_tcp_functions_as_names()
1200 while (--i >= 0) in register_tcp_functions_as_names()
1214 if (blk->tfb_flags & TCP_FUNC_BEING_REMOVED) { in register_tcp_functions_as_names()
1218 refcount_init(&blk->tfb_refcnt, 0); in register_tcp_functions_as_names()
1219 blk->tfb_id = atomic_fetchadd_int(&next_tcp_stack_id, 1); in register_tcp_functions_as_names()
1228 f[i]->tf_fb = blk; in register_tcp_functions_as_names()
1229 (void)strlcpy(f[i]->tf_name, names[i], sizeof(f[i]->tf_name)); in register_tcp_functions_as_names()
1242 tcp_fb_cnt--; in register_tcp_functions_as_names()
1244 f[i]->tf_fb = NULL; in register_tcp_functions_as_names()
1269 name_list[0] = blk->tfb_tcp_block_name; in register_tcp_functions_as_name()
1276 * blk->tfb_tcp_block_name.
1312 /* You can't un-register the default */ in deregister_tcp_functions()
1330 blk->tfb_flags |= TCP_FUNC_BEING_REMOVED; in deregister_tcp_functions()
1335 if (force && blk->tfb_refcnt) { in deregister_tcp_functions()
1350 if (tp == NULL || tp->t_fb != blk) in deregister_tcp_functions()
1360 if (blk->tfb_refcnt) { in deregister_tcp_functions()
1373 tcp_fb_cnt--; in deregister_tcp_functions()
1374 f->tf_fb = NULL; in deregister_tcp_functions()
1589 * Cannot free the zone until all tcpcbs are released as we attach in tcp_destroy()
1634 if ((inp->inp_vflag & INP_IPV6) != 0) { in tcpip_fillheaders()
1638 ip6->ip6_flow = (ip6->ip6_flow & ~IPV6_FLOWINFO_MASK) | in tcpip_fillheaders()
1639 (inp->inp_flow & IPV6_FLOWINFO_MASK); in tcpip_fillheaders()
1640 ip6->ip6_vfc = (ip6->ip6_vfc & ~IPV6_VERSION_MASK) | in tcpip_fillheaders()
1643 ip6->ip6_nxt = IPPROTO_TCP; in tcpip_fillheaders()
1645 ip6->ip6_nxt = IPPROTO_UDP; in tcpip_fillheaders()
1646 ip6->ip6_plen = htons(sizeof(struct tcphdr)); in tcpip_fillheaders()
1647 ip6->ip6_src = inp->in6p_laddr; in tcpip_fillheaders()
1648 ip6->ip6_dst = inp->in6p_faddr; in tcpip_fillheaders()
1659 ip->ip_v = IPVERSION; in tcpip_fillheaders()
1660 ip->ip_hl = 5; in tcpip_fillheaders()
1661 ip->ip_tos = inp->inp_ip_tos; in tcpip_fillheaders()
1662 ip->ip_len = 0; in tcpip_fillheaders()
1663 ip->ip_id = 0; in tcpip_fillheaders()
1664 ip->ip_off = 0; in tcpip_fillheaders()
1665 ip->ip_ttl = inp->inp_ip_ttl; in tcpip_fillheaders()
1666 ip->ip_sum = 0; in tcpip_fillheaders()
1668 ip->ip_p = IPPROTO_TCP; in tcpip_fillheaders()
1670 ip->ip_p = IPPROTO_UDP; in tcpip_fillheaders()
1671 ip->ip_src = inp->inp_laddr; in tcpip_fillheaders()
1672 ip->ip_dst = inp->inp_faddr; in tcpip_fillheaders()
1675 th->th_sport = inp->inp_lport; in tcpip_fillheaders()
1676 th->th_dport = inp->inp_fport; in tcpip_fillheaders()
1677 th->th_seq = 0; in tcpip_fillheaders()
1678 th->th_ack = 0; in tcpip_fillheaders()
1679 th->th_off = 5; in tcpip_fillheaders()
1681 th->th_win = 0; in tcpip_fillheaders()
1682 th->th_urp = 0; in tcpip_fillheaders()
1683 th->th_sum = 0; /* in_pseudo() is called later for ipv4 */ in tcpip_fillheaders()
1699 tcpip_fillheaders(inp, 0, (void *)&t->tt_ipgen, (void *)&t->tt_t); in tcpip_maketemplate()
1747 isipv6 = ((struct ip *)ipgen)->ip_v == (IPV6_VERSION >> 4); in tcp_respond()
1760 if (isipv6 && ip6 && (ip6->ip6_nxt == IPPROTO_UDP)) in tcp_respond()
1761 port = m->m_pkthdr.tcp_tun_port; in tcp_respond()
1764 if (ip && (ip->ip_p == IPPROTO_UDP)) in tcp_respond()
1765 port = m->m_pkthdr.tcp_tun_port; in tcp_respond()
1769 port = tp->t_port; in tcp_respond()
1775 win = sbspace(&inp->inp_socket->so_rcv); in tcp_respond()
1776 if (win > TCP_MAXWIN << tp->rcv_scale) in tcp_respond()
1777 win = TCP_MAXWIN << tp->rcv_scale; in tcp_respond()
1779 if ((tp->t_flags & TF_NOOPT) == 0) in tcp_respond()
1786 m->m_data += max_linkhdr; in tcp_respond()
1796 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1797 uh->uh_dport = port; in tcp_respond()
1809 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1810 uh->uh_dport = port; in tcp_respond()
1832 n->m_data += max_linkhdr; in tcp_respond()
1840 xchg(ip6->ip6_dst, ip6->ip6_src, struct in6_addr); in tcp_respond()
1845 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1846 uh->uh_dport = port; in tcp_respond()
1854 xchg(ip->ip_dst.s_addr, ip->ip_src.s_addr, uint32_t); in tcp_respond()
1859 uh->uh_sport = htons(V_tcp_udp_tunneling_port); in tcp_respond()
1860 uh->uh_dport = port; in tcp_respond()
1865 xchg(nth->th_dport, nth->th_sport, uint16_t); in tcp_respond()
1874 m_freem(m->m_next); in tcp_respond()
1875 m->m_next = NULL; in tcp_respond()
1876 m->m_data = (caddr_t)ipgen; in tcp_respond()
1878 m->m_flags &= ~(M_TSTMP | M_TSTMP_LRO); in tcp_respond()
1882 xchg(ip6->ip6_dst, ip6->ip6_src, struct in6_addr); in tcp_respond()
1887 xchg(ip->ip_dst.s_addr, ip->ip_src.s_addr, uint32_t); in tcp_respond()
1896 nth->th_sport = th->th_sport; in tcp_respond()
1897 nth->th_dport = th->th_dport; in tcp_respond()
1899 xchg(nth->th_dport, nth->th_sport, uint16_t); in tcp_respond()
1916 m->m_len = 0; in tcp_respond()
1921 m->m_len = tlen; in tcp_respond()
1927 m->m_next = m_get(M_NOWAIT, MT_DATA); in tcp_respond()
1928 if (m->m_next) { in tcp_respond()
1929 optp = mtod(m->m_next, u_char *); in tcp_respond()
1930 optm = m->m_next; in tcp_respond()
1940 if (tp->t_flags & TF_RCVD_TSTMP) { in tcp_respond()
1941 to.to_tsval = tcp_ts_getticks() + tp->ts_offset; in tcp_respond()
1942 to.to_tsecr = tp->ts_recent; in tcp_respond()
1946 /* TCP-MD5 (RFC2385). */ in tcp_respond()
1947 if (tp->t_flags & TF_SIGNATURE) in tcp_respond()
1954 optm->m_len += optlen; in tcp_respond()
1960 ulen = tlen - sizeof(struct ip6_hdr); in tcp_respond()
1961 uh->uh_ulen = htons(ulen); in tcp_respond()
1963 ip6->ip6_flow = htonl(ect << IPV6_FLOWLABEL_LEN); in tcp_respond()
1964 ip6->ip6_vfc = IPV6_VERSION; in tcp_respond()
1966 ip6->ip6_nxt = IPPROTO_UDP; in tcp_respond()
1968 ip6->ip6_nxt = IPPROTO_TCP; in tcp_respond()
1969 ip6->ip6_plen = htons(tlen - sizeof(*ip6)); in tcp_respond()
1978 ulen = tlen - sizeof(struct ip); in tcp_respond()
1979 uh->uh_ulen = htons(ulen); in tcp_respond()
1981 ip->ip_len = htons(tlen); in tcp_respond()
1983 ip->ip_tos = inp->inp_ip_tos & ~IPTOS_ECN_MASK; in tcp_respond()
1984 ip->ip_ttl = inp->inp_ip_ttl; in tcp_respond()
1986 ip->ip_tos = 0; in tcp_respond()
1987 ip->ip_ttl = V_ip_defttl; in tcp_respond()
1989 ip->ip_tos |= ect; in tcp_respond()
1991 ip->ip_p = IPPROTO_UDP; in tcp_respond()
1993 ip->ip_p = IPPROTO_TCP; in tcp_respond()
1996 ip->ip_off |= htons(IP_DF); in tcp_respond()
1999 m->m_pkthdr.len = tlen; in tcp_respond()
2000 m->m_pkthdr.rcvif = NULL; in tcp_respond()
2017 nth->th_seq = htonl(seq); in tcp_respond()
2018 nth->th_ack = htonl(ack); in tcp_respond()
2019 nth->th_off = (sizeof (struct tcphdr) + optlen) >> 2; in tcp_respond()
2026 nth->th_win = htons((u_short) (win >> tp->rcv_scale)); in tcp_respond()
2028 nth->th_win = htons((u_short)win); in tcp_respond()
2029 nth->th_urp = 0; in tcp_respond()
2044 m->m_pkthdr.csum_flags = CSUM_UDP_IPV6; in tcp_respond()
2045 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); in tcp_respond()
2046 uh->uh_sum = in6_cksum_pseudo(ip6, ulen, IPPROTO_UDP, 0); in tcp_respond()
2047 nth->th_sum = 0; in tcp_respond()
2049 m->m_pkthdr.csum_flags = CSUM_TCP_IPV6; in tcp_respond()
2050 m->m_pkthdr.csum_data = offsetof(struct tcphdr, th_sum); in tcp_respond()
2051 nth->th_sum = in6_cksum_pseudo(ip6, in tcp_respond()
2052 tlen - sizeof(struct ip6_hdr), IPPROTO_TCP, 0); in tcp_respond()
2054 ip6->ip6_hlim = in6_selecthlim(inp, NULL); in tcp_respond()
2063 uh->uh_sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr, in tcp_respond()
2065 m->m_pkthdr.csum_flags = CSUM_UDP; in tcp_respond()
2066 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); in tcp_respond()
2067 nth->th_sum = 0; in tcp_respond()
2069 m->m_pkthdr.csum_flags = CSUM_TCP; in tcp_respond()
2070 m->m_pkthdr.csum_data = offsetof(struct tcphdr, th_sum); in tcp_respond()
2071 nth->th_sum = in_pseudo(ip->ip_src.s_addr, ip->ip_dst.s_addr, in tcp_respond()
2072 htons((u_short)(tlen - sizeof(struct ip) + ip->ip_p))); in tcp_respond()
2088 log.u_bbr.pkts_out = tp->t_maxseg; in tcp_respond()
2115 (tp->t_state == TCPS_CLOSED || in tcp_respond()
2116 (tp->t_state > TCPS_LISTEN && tp->t_port != port)), in tcp_respond()
2120 ntohs(port), tcpstates[tp->t_state])); in tcp_respond()
2133 output_ret = ip6_output(m, inp ? inp->in6p_outputopts : NULL, in tcp_respond()
2147 lgb->tlb_errno = output_ret; in tcp_respond()
2173 if (tp->t_challenge_ack_end < now) { in tcp_send_challenge_ack()
2174 tp->t_challenge_ack_cnt = 0; in tcp_send_challenge_ack()
2175 tp->t_challenge_ack_end = now + in tcp_send_challenge_ack()
2182 if (tp->t_challenge_ack_cnt < V_tcp_ack_war_cnt) { in tcp_send_challenge_ack()
2184 tp->t_challenge_ack_cnt++; in tcp_send_challenge_ack()
2190 tcp_respond(tp, mtod(m, void *), th, m, tp->rcv_nxt, in tcp_send_challenge_ack()
2191 tp->snd_nxt, TH_ACK); in tcp_send_challenge_ack()
2192 tp->last_ack_sent = tp->rcv_nxt; in tcp_send_challenge_ack()
2208 int isipv6 = (inp->inp_vflag & INP_IPV6) != 0; in tcp_newtcpcb()
2216 bzero(&tp->t_start_zero, t_zero_size); in tcp_newtcpcb()
2219 tp->t_ccv.tp = tp; in tcp_newtcpcb()
2223 KASSERT(listening_tcb->t_fb != NULL, in tcp_newtcpcb()
2224 ("tcp_newtcpcb: listening_tcb->t_fb is NULL")); in tcp_newtcpcb()
2225 if (listening_tcb->t_fb->tfb_flags & TCP_FUNC_BEING_REMOVED) { in tcp_newtcpcb()
2229 tp->t_fb = listening_tcb->t_fb; in tcp_newtcpcb()
2231 tp->t_fb = V_tcp_func_set_ptr; in tcp_newtcpcb()
2233 refcount_acquire(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2234 KASSERT((tp->t_fb->tfb_flags & TCP_FUNC_BEING_REMOVED) == 0, in tcp_newtcpcb()
2239 if (CC_ALGO(listening_tcb)->flags & CC_MODULE_BEING_REMOVED) { in tcp_newtcpcb()
2241 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2242 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2243 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2251 if (CC_ALGO(tp)->cb_init != NULL) in tcp_newtcpcb()
2252 if (CC_ALGO(tp)->cb_init(&tp->t_ccv, NULL) > 0) { in tcp_newtcpcb()
2254 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2255 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2256 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2261 if (khelp_init_osd(HELPER_CLASS_TCP, &tp->t_osd)) { in tcp_newtcpcb()
2262 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_newtcpcb()
2263 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_newtcpcb()
2266 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_newtcpcb()
2267 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_newtcpcb()
2268 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2273 TAILQ_INIT(&tp->t_segq); in tcp_newtcpcb()
2274 STAILQ_INIT(&tp->t_inqueue); in tcp_newtcpcb()
2275 tp->t_maxseg = in tcp_newtcpcb()
2284 tp->t_hpts_cpu = HPTS_CPU_NONE; in tcp_newtcpcb()
2285 tp->t_lro_cpu = HPTS_CPU_NONE; in tcp_newtcpcb()
2287 callout_init_rw(&tp->t_callout, &inp->inp_lock, in tcp_newtcpcb()
2290 tp->t_timers[i] = SBT_MAX; in tcp_newtcpcb()
2297 tp->t_flags = (TF_REQ_SCALE|TF_REQ_TSTMP); in tcp_newtcpcb()
2300 tp->t_flags = TF_REQ_SCALE; in tcp_newtcpcb()
2303 tp->t_flags = TF_REQ_TSTMP; in tcp_newtcpcb()
2307 tp->t_flags |= TF_SACK_PERMIT; in tcp_newtcpcb()
2308 TAILQ_INIT(&tp->snd_holes); in tcp_newtcpcb()
2315 tp->t_srtt = TCPTV_SRTTBASE; in tcp_newtcpcb()
2316 tp->t_rttvar = ((tcp_rexmit_initial - TCPTV_SRTTBASE) << TCP_RTTVAR_SHIFT) / 4; in tcp_newtcpcb()
2317 tp->t_rttmin = tcp_rexmit_min; in tcp_newtcpcb()
2318 tp->t_rxtcur = tcp_rexmit_initial; in tcp_newtcpcb()
2319 tp->snd_cwnd = TCP_MAXWIN << TCP_MAX_WINSHIFT; in tcp_newtcpcb()
2320 tp->snd_ssthresh = TCP_MAXWIN << TCP_MAX_WINSHIFT; in tcp_newtcpcb()
2321 tp->t_rcvtime = ticks; in tcp_newtcpcb()
2323 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_TICKS; in tcp_newtcpcb()
2327 * which may match an IPv4-mapped IPv6 address. in tcp_newtcpcb()
2329 inp->inp_ip_ttl = V_ip_defttl; in tcp_newtcpcb()
2331 /* Initialize the per-TCPCB log data. */ in tcp_newtcpcb()
2334 tp->t_pacing_rate = -1; in tcp_newtcpcb()
2335 if (tp->t_fb->tfb_tcp_fb_init) { in tcp_newtcpcb()
2336 if ((*tp->t_fb->tfb_tcp_fb_init)(tp, &tp->t_fb_ptr)) { in tcp_newtcpcb()
2337 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_newtcpcb()
2338 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_newtcpcb()
2342 khelp_destroy_osd(&tp->t_osd); in tcp_newtcpcb()
2344 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_newtcpcb()
2350 tp->t_stats = stats_blob_alloc(V_tcp_perconn_stats_dflt_tpl, 0); in tcp_newtcpcb()
2353 tp->t_flags |= TF_LRD; in tcp_newtcpcb()
2371 if (TCPS_HAVERCVDSYN(tp->t_state)) { in tcp_drop()
2378 if (errno == ETIMEDOUT && tp->t_softerror) in tcp_drop()
2379 errno = tp->t_softerror; in tcp_drop()
2380 so->so_error = errno; in tcp_drop()
2391 bool isipv6 = (inp->inp_vflag & INP_IPV6) != 0; in tcp_discardcb()
2395 MPASS(!callout_active(&tp->t_callout)); in tcp_discardcb()
2396 MPASS(TAILQ_EMPTY(&tp->snd_holes)); in tcp_discardcb()
2403 if (tp->t_flags & TF_TOE) in tcp_discardcb()
2408 if (CC_ALGO(tp)->cb_destroy != NULL) in tcp_discardcb()
2409 CC_ALGO(tp)->cb_destroy(&tp->t_ccv); in tcp_discardcb()
2415 khelp_destroy_osd(&tp->t_osd); in tcp_discardcb()
2418 stats_blob_destroy(tp->t_stats); in tcp_discardcb()
2422 if ((m = STAILQ_FIRST(&tp->t_inqueue)) != NULL) { in tcp_discardcb()
2425 STAILQ_INIT(&tp->t_inqueue); in tcp_discardcb()
2426 STAILQ_FOREACH_FROM_SAFE(m, &tp->t_inqueue, m_stailqpkt, prev) in tcp_discardcb()
2429 TCPSTATES_DEC(tp->t_state); in tcp_discardcb()
2431 if (tp->t_fb->tfb_tcp_fb_fini) in tcp_discardcb()
2432 (*tp->t_fb->tfb_tcp_fb_fini)(tp, 1); in tcp_discardcb()
2452 if (tp->t_rttupdated >= 4) { in tcp_discardcb()
2463 ssthresh = tp->snd_ssthresh; in tcp_discardcb()
2464 if (ssthresh != 0 && ssthresh < so->so_snd.sb_hiwat / 2) { in tcp_discardcb()
2469 ssthresh = (ssthresh + tp->t_maxseg / 2) / tp->t_maxseg; in tcp_discardcb()
2472 ssthresh *= (tp->t_maxseg + in tcp_discardcb()
2486 metrics.hc_rtt = tp->t_srtt; in tcp_discardcb()
2487 metrics.hc_rttvar = tp->t_rttvar; in tcp_discardcb()
2488 metrics.hc_cwnd = tp->snd_cwnd; in tcp_discardcb()
2492 tcp_hc_update(&inp->inp_inc, &metrics); in tcp_discardcb()
2495 refcount_release(&tp->t_fb->tfb_refcnt); in tcp_discardcb()
2511 if (tp->t_state == TCPS_LISTEN) in tcp_close()
2516 * sockets as well as passively-created TFO sockets that transition in tcp_close()
2519 if (tp->t_tfo_pending) { in tcp_close()
2520 tcp_fastopen_decrement_counter(tp->t_tfo_pending); in tcp_close()
2521 tp->t_tfo_pending = NULL; in tcp_close()
2524 if (tp->t_fb->tfb_tcp_timer_stop_all != NULL) in tcp_close()
2525 tp->t_fb->tfb_tcp_timer_stop_all(tp); in tcp_close()
2528 if (tp->t_state != TCPS_CLOSED) in tcp_close()
2530 KASSERT(inp->inp_socket != NULL, ("tcp_close: inp_socket NULL")); in tcp_close()
2533 if (inp->inp_flags & INP_SOCKREF) { in tcp_close()
2534 inp->inp_flags &= ~INP_SOCKREF; in tcp_close()
2544 * store error as soft error, but wake up user
2547 * Do not wake up user since there currently is no mechanism for
2548 * reporting soft errors (yet - a kqueue filter may be added).
2567 if (tp->t_state == TCPS_ESTABLISHED && in tcp_notify()
2570 if (inp->inp_route.ro_nh) { in tcp_notify()
2571 NH_FREE(inp->inp_route.ro_nh); in tcp_notify()
2572 inp->inp_route.ro_nh = (struct nhop_object *)NULL; in tcp_notify()
2575 } else if (tp->t_state < TCPS_ESTABLISHED && tp->t_rxtshift > 3 && in tcp_notify()
2576 tp->t_softerror) { in tcp_notify()
2583 tp->t_softerror = error; in tcp_notify()
2587 wakeup( &so->so_timeo); in tcp_notify()
2602 if (req->newptr != NULL) in tcp_pcblist()
2605 if (req->oldptr == NULL) { in tcp_pcblist()
2611 req->oldidx = 2 * (sizeof xig) + n * sizeof(struct xtcpcb); in tcp_pcblist()
2633 if (inp->inp_gencnt <= xig.xig_gen && in tcp_pcblist()
2634 cr_canseeinpcb(req->td->td_ucred, inp) == 0) { in tcp_pcblist()
2694 if (req->newptr != NULL) in tcp_ktlslist_locked()
2708 if (inp->inp_gencnt > ipi_gencnt || in tcp_ktlslist_locked()
2709 cr_canseeinpcb(req->td->td_ucred, inp) != 0) in tcp_ktlslist_locked()
2712 so = inp->inp_socket; in tcp_ktlslist_locked()
2713 if (so != NULL && so->so_gencnt <= xig.xig_sogen) { in tcp_ktlslist_locked()
2716 req->td, inp); in tcp_ktlslist_locked()
2717 ksr = so->so_rcv.sb_tls_info; in tcp_ktlslist_locked()
2719 ksr->gen = xig.xig_gen; in tcp_ktlslist_locked()
2727 if (ksr->snd_tag != NULL && in tcp_ktlslist_locked()
2728 ksr->snd_tag->sw->snd_tag_status_str != in tcp_ktlslist_locked()
2733 error = ksr->snd_tag->sw-> in tcp_ktlslist_locked()
2735 ksr->snd_tag, NULL, &sz); in tcp_ktlslist_locked()
2742 kss = so->so_snd.sb_tls_info; in tcp_ktlslist_locked()
2744 kss->gen = xig.xig_gen; in tcp_ktlslist_locked()
2752 if (kss->snd_tag != NULL && in tcp_ktlslist_locked()
2753 kss->snd_tag->sw->snd_tag_status_str != in tcp_ktlslist_locked()
2758 error = kss->snd_tag->sw-> in tcp_ktlslist_locked()
2760 kss->snd_tag, NULL, &sz); in tcp_ktlslist_locked()
2774 if (req->oldptr == NULL) { in tcp_ktlslist_locked()
2777 req->oldidx = len; in tcp_ktlslist_locked()
2794 if (inp->inp_gencnt > ipi_gencnt || in tcp_ktlslist_locked()
2795 cr_canseeinpcb(req->td->td_ucred, inp) != 0) in tcp_ktlslist_locked()
2798 so = inp->inp_socket; in tcp_ktlslist_locked()
2803 ek = export_keys && cr_canexport_ktlskeys(req->td, inp); in tcp_ktlslist_locked()
2804 ksr = so->so_rcv.sb_tls_info; in tcp_ktlslist_locked()
2805 kss = so->so_snd.sb_tls_info; in tcp_ktlslist_locked()
2807 if (ksr != NULL && ksr->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2809 ktls_session_to_xktls_onedir(ksr, ek, &xktls->rcv); in tcp_ktlslist_locked()
2811 if (kss != NULL && kss->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2813 ktls_session_to_xktls_onedir(kss, ek, &xktls->snd); in tcp_ktlslist_locked()
2818 xktls->inp_gencnt = inp->inp_gencnt; in tcp_ktlslist_locked()
2819 xktls->so_pcb = (kvaddr_t)inp; in tcp_ktlslist_locked()
2820 memcpy(&xktls->coninf, &inp->inp_inc, sizeof(xktls->coninf)); in tcp_ktlslist_locked()
2822 if (ksr != NULL && ksr->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2824 sz = buflen - len; in tcp_ktlslist_locked()
2828 xktls->rcv.cipher_key_len = 0; in tcp_ktlslist_locked()
2829 xktls->rcv.auth_key_len = 0; in tcp_ktlslist_locked()
2831 if (ksr->snd_tag != NULL && in tcp_ktlslist_locked()
2832 ksr->snd_tag->sw->snd_tag_status_str != NULL) { in tcp_ktlslist_locked()
2836 error = ksr->snd_tag->sw->snd_tag_status_str( in tcp_ktlslist_locked()
2837 ksr->snd_tag, buf + len, &sz); in tcp_ktlslist_locked()
2841 xktls->rcv.drv_st_len = sz; in tcp_ktlslist_locked()
2846 if (kss != NULL && kss->gen == xig.xig_gen) { in tcp_ktlslist_locked()
2848 sz = buflen - len; in tcp_ktlslist_locked()
2852 xktls->snd.cipher_key_len = 0; in tcp_ktlslist_locked()
2853 xktls->snd.auth_key_len = 0; in tcp_ktlslist_locked()
2855 if (kss->snd_tag != NULL && in tcp_ktlslist_locked()
2856 kss->snd_tag->sw->snd_tag_status_str != NULL) { in tcp_ktlslist_locked()
2860 error = kss->snd_tag->sw->snd_tag_status_str( in tcp_ktlslist_locked()
2861 kss->snd_tag, buf + len, &sz); in tcp_ktlslist_locked()
2865 xktls->snd.drv_st_len = sz; in tcp_ktlslist_locked()
2871 xktls->tsz = len; in tcp_ktlslist_locked()
2872 xktls->fsz = sizeof(*xktls); in tcp_ktlslist_locked()
2909 req->oldidx = 0; in tcp_ktlslist1()
2946 if (req->newptr == NULL) in tcp_getcred()
2948 error = priv_check(req->td, PRIV_NETINET_GETCRED); in tcp_getcred()
2960 error = cr_canseeinpcb(req->td->td_ucred, inp); in tcp_getcred()
2962 cru2x(inp->inp_cred, &xuc); in tcp_getcred()
2990 if (req->newptr == NULL) in tcp6_getcred()
2992 error = priv_check(req->td, PRIV_NETINET_GETCRED); in tcp6_getcred()
3028 error = cr_canseeinpcb(req->td->td_ucred, inp); in tcp6_getcred()
3030 cru2x(inp->inp_cred, &xuc); in tcp6_getcred()
3046 /* Path MTU to try next when a fragmentation-needed message is received. */
3050 int mtu = ntohs(icp->icmp_nextmtu); in tcp_next_pmtu()
3054 mtu = ip_next_mtu(ntohs(ip->ip_len), 1); in tcp_next_pmtu()
3087 if (V_icmp_may_rst && icp->icmp_type == ICMP_TIMXCEED) in tcp_ctlinput_with_port()
3096 ip = &icp->icmp_ip; in tcp_ctlinput_with_port()
3097 th = (struct tcphdr *)((caddr_t)ip + (ip->ip_hl << 2)); in tcp_ctlinput_with_port()
3098 icmp_tcp_seq = th->th_seq; in tcp_ctlinput_with_port()
3099 inp = in_pcblookup(&V_tcbinfo, ip->ip_dst, th->th_dport, ip->ip_src, in tcp_ctlinput_with_port()
3100 th->th_sport, INPLOOKUP_WLOCKPCB, NULL); in tcp_ctlinput_with_port()
3104 if (tp->t_flags & TF_TOE && errno == EMSGSIZE) { in tcp_ctlinput_with_port()
3114 if (tp->t_port != port) in tcp_ctlinput_with_port()
3116 if (SEQ_GEQ(ntohl(icmp_tcp_seq), tp->snd_una) && in tcp_ctlinput_with_port()
3117 SEQ_LT(ntohl(icmp_tcp_seq), tp->snd_max)) { in tcp_ctlinput_with_port()
3129 if (mtu < tp->t_maxseg + in tcp_ctlinput_with_port()
3132 inc.inc_faddr = ip->ip_dst; in tcp_ctlinput_with_port()
3134 inp->inp_inc.inc_fibnum; in tcp_ctlinput_with_port()
3143 inc.inc_fport = th->th_dport; in tcp_ctlinput_with_port()
3144 inc.inc_lport = th->th_sport; in tcp_ctlinput_with_port()
3145 inc.inc_faddr = ip->ip_dst; in tcp_ctlinput_with_port()
3146 inc.inc_laddr = ip->ip_src; in tcp_ctlinput_with_port()
3171 outer_ip = (struct ip *)((caddr_t)icmp - sizeof(struct ip)); in tcp_ctlinput_viaudp()
3172 inner_ip = &icmp->icmp_ip; in tcp_ctlinput_viaudp()
3173 i_hlen = inner_ip->ip_hl << 2; in tcp_ctlinput_viaudp()
3174 o_len = ntohs(outer_ip->ip_len); in tcp_ctlinput_viaudp()
3182 if (ntohs(udp->uh_sport) != V_tcp_udp_tunneling_port) { in tcp_ctlinput_viaudp()
3185 port = udp->uh_dport; in tcp_ctlinput_viaudp()
3190 o_len -= sizeof(struct udphdr); in tcp_ctlinput_viaudp()
3191 outer_ip->ip_len = htons(o_len); in tcp_ctlinput_viaudp()
3201 int mtu = ntohl(icmp6->icmp6_mtu); in tcp6_next_pmtu()
3232 icmp6 = ip6cp->ip6c_icmp6; in tcp6_ctlinput_with_port()
3233 m = ip6cp->ip6c_m; in tcp6_ctlinput_with_port()
3234 ip6 = ip6cp->ip6c_ip6; in tcp6_ctlinput_with_port()
3235 off = ip6cp->ip6c_off; in tcp6_ctlinput_with_port()
3236 dst = &ip6cp->ip6c_finaldst->sin6_addr; in tcp6_ctlinput_with_port()
3254 * - administratively prohibited in tcp6_ctlinput_with_port()
3255 * - port unreachable in tcp6_ctlinput_with_port()
3256 * - time exceeded in transit in tcp6_ctlinput_with_port()
3257 * - unknown next header in tcp6_ctlinput_with_port()
3260 ((icmp6->icmp6_type == ICMP6_DST_UNREACH && in tcp6_ctlinput_with_port()
3261 (icmp6->icmp6_code == ICMP6_DST_UNREACH_ADMIN || in tcp6_ctlinput_with_port()
3262 icmp6->icmp6_code == ICMP6_DST_UNREACH_NOPORT)) || in tcp6_ctlinput_with_port()
3263 (icmp6->icmp6_type == ICMP6_TIME_EXCEEDED && in tcp6_ctlinput_with_port()
3264 icmp6->icmp6_code == ICMP6_TIME_EXCEED_TRANSIT) || in tcp6_ctlinput_with_port()
3265 (icmp6->icmp6_type == ICMP6_PARAM_PROB && in tcp6_ctlinput_with_port()
3266 icmp6->icmp6_code == ICMP6_PARAMPROB_NEXTHEADER))) in tcp6_ctlinput_with_port()
3277 (m->m_pkthdr.len < in tcp6_ctlinput_with_port()
3283 inp = in6_pcblookup(&V_tcbinfo, &ip6->ip6_dst, t_ports.th_dport, in tcp6_ctlinput_with_port()
3284 &ip6->ip6_src, t_ports.th_sport, INPLOOKUP_WLOCKPCB, NULL); in tcp6_ctlinput_with_port()
3286 if (m->m_pkthdr.len < (int32_t) (off + sizeof(tcp_seq))) { in tcp6_ctlinput_with_port()
3293 if (tp->t_flags & TF_TOE && errno == EMSGSIZE) { in tcp6_ctlinput_with_port()
3300 if (tp->t_port != port) in tcp6_ctlinput_with_port()
3302 if (SEQ_GEQ(ntohl(icmp_tcp_seq), tp->snd_una) && in tcp6_ctlinput_with_port()
3303 SEQ_LT(ntohl(icmp_tcp_seq), tp->snd_max)) { in tcp6_ctlinput_with_port()
3318 m->m_pkthdr.rcvif, NULL)) in tcp6_ctlinput_with_port()
3324 if (mtu < tp->t_maxseg + in tcp6_ctlinput_with_port()
3341 inc.inc6_laddr = ip6->ip6_src; in tcp6_ctlinput_with_port()
3363 m = m_pulldown(ip6cp->ip6c_m, ip6cp->ip6c_off, sizeof(struct udphdr), NULL); in tcp6_ctlinput_viaudp()
3368 if (ntohs(udp->uh_sport) != V_tcp_udp_tunneling_port) { in tcp6_ctlinput_viaudp()
3371 port = udp->uh_dport; in tcp6_ctlinput_viaudp()
3373 if ((m->m_flags & M_PKTHDR) == 0) { in tcp6_ctlinput_viaudp()
3374 ip6cp->ip6c_m->m_pkthdr.len -= sizeof(struct udphdr); in tcp6_ctlinput_viaudp()
3392 SipHash_Update(&ctx, &inc->inc_fport, sizeof(uint16_t)); in tcp_keyed_hash()
3393 SipHash_Update(&ctx, &inc->inc_lport, sizeof(uint16_t)); in tcp_keyed_hash()
3394 switch (inc->inc_flags & INC_ISIPV6) { in tcp_keyed_hash()
3397 SipHash_Update(&ctx, &inc->inc_faddr, sizeof(struct in_addr)); in tcp_keyed_hash()
3398 SipHash_Update(&ctx, &inc->inc_laddr, sizeof(struct in_addr)); in tcp_keyed_hash()
3403 SipHash_Update(&ctx, &inc->inc6_faddr, sizeof(struct in6_addr)); in tcp_keyed_hash()
3404 SipHash_Update(&ctx, &inc->inc6_laddr, sizeof(struct in6_addr)); in tcp_keyed_hash()
3434 * 1. In SYN-ACK packets.
3437 * All ISNs for SYN-ACK packets are generated by the syncache. See
3448 * Time is based off the system timer, and is corrected so that it
3476 #define ISN_RANDOM_INCREMENT (4096 - 1)
3513 ISN_BYTES_PER_SECOND / hz * (ticks - V_isn_last); in tcp_new_isn()
3526 * connection state is SYN-SENT, drop the connection. This behavior
3538 if (tp->t_state != TCPS_SYN_SENT) in tcp_drop_syn_sent()
3541 if (tp->t_flags & TF_FASTOPEN) in tcp_drop_syn_sent()
3561 return (tcp_mtudisc(inp, -1)); in tcp_mtudisc_notify()
3575 tcp_mss_update(tp, -1, mtuoffer, NULL, NULL); in tcp_mtudisc()
3577 so = inp->inp_socket; in tcp_mtudisc()
3580 if (so->so_snd.sb_hiwat < tp->t_maxseg) { in tcp_mtudisc()
3581 tp->t_maxseg = so->so_snd.sb_hiwat; in tcp_mtudisc()
3582 if (tp->t_maxseg < V_tcp_mssdflt) { in tcp_mtudisc()
3588 tp->t_flags2 |= TF2_PROC_SACK_PROHIBIT; in tcp_mtudisc()
3590 tp->t_flags2 &= ~TF2_PROC_SACK_PROHIBIT; in tcp_mtudisc()
3596 tp->t_rtttime = 0; in tcp_mtudisc()
3597 tp->snd_nxt = tp->snd_una; in tcp_mtudisc()
3599 tp->snd_recover = tp->snd_max; in tcp_mtudisc()
3600 if (tp->t_flags & TF_SACK_PERMIT) in tcp_mtudisc()
3601 EXIT_FASTRECOVERY(tp->t_flags); in tcp_mtudisc()
3602 if (tp->t_fb->tfb_tcp_mtu_chg != NULL) { in tcp_mtudisc()
3609 tp->t_fb->tfb_tcp_mtu_chg(tp); in tcp_mtudisc()
3619 * Look-up the routing entry to the peer of this inpcb. If no route
3620 * is found and it cannot be allocated, then return 0. This routine
3633 if (inc->inc_faddr.s_addr != INADDR_ANY) { in tcp_maxmtu()
3634 nh = fib4_lookup(inc->inc_fibnum, inc->inc_faddr, 0, NHR_NONE, 0); in tcp_maxmtu()
3638 ifp = nh->nh_ifp; in tcp_maxmtu()
3639 maxmtu = nh->nh_mtu; in tcp_maxmtu()
3643 if (ifp->if_capenable & IFCAP_TSO4 && in tcp_maxmtu()
3644 ifp->if_hwassist & CSUM_TSO) { in tcp_maxmtu()
3645 cap->ifcap |= CSUM_TSO; in tcp_maxmtu()
3646 cap->tsomax = ifp->if_hw_tsomax; in tcp_maxmtu()
3647 cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount; in tcp_maxmtu()
3648 cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize; in tcp_maxmtu()
3650 cap->ipsec_tso = (ifp->if_capenable2 & in tcp_maxmtu()
3671 if (inc->inc_flags & INC_IPV6MINMTU) in tcp_maxmtu6()
3674 if (!IN6_IS_ADDR_UNSPECIFIED(&inc->inc6_faddr)) { in tcp_maxmtu6()
3675 in6_splitscope(&inc->inc6_faddr, &dst6, &scopeid); in tcp_maxmtu6()
3676 nh = fib6_lookup(inc->inc_fibnum, &dst6, scopeid, NHR_NONE, 0); in tcp_maxmtu6()
3680 ifp = nh->nh_ifp; in tcp_maxmtu6()
3681 maxmtu = nh->nh_mtu; in tcp_maxmtu6()
3685 if (ifp->if_capenable & IFCAP_TSO6 && in tcp_maxmtu6()
3686 ifp->if_hwassist & CSUM_TSO) { in tcp_maxmtu6()
3687 cap->ifcap |= CSUM_TSO; in tcp_maxmtu6()
3688 cap->tsomax = ifp->if_hw_tsomax; in tcp_maxmtu6()
3689 cap->tsomaxsegcount = ifp->if_hw_tsomaxsegcount; in tcp_maxmtu6()
3690 cap->tsomaxsegsize = ifp->if_hw_tsomaxsegsize; in tcp_maxmtu6()
3691 cap->ipsec_tso = false; /* XXXKIB */ in tcp_maxmtu6()
3722 inp->inp_inc.inc_flags |= INC_IPV6MINMTU; in tcp6_use_min_mtu()
3723 if ((tp->t_state >= TCPS_SYN_SENT) && in tcp6_use_min_mtu()
3724 (inp->inp_inc.inc_flags & INC_ISIPV6)) { in tcp6_use_min_mtu()
3727 opt = inp->in6p_outputopts; in tcp6_use_min_mtu()
3728 if (opt != NULL && opt->ip6po_minmtu == IP6PO_MINMTU_ALL && in tcp6_use_min_mtu()
3729 tp->t_maxseg > TCP6_MSS) { in tcp6_use_min_mtu()
3730 tp->t_maxseg = TCP6_MSS; in tcp6_use_min_mtu()
3731 if (tp->t_maxseg < V_tcp_mssdflt) { in tcp6_use_min_mtu()
3737 tp->t_flags2 |= TF2_PROC_SACK_PROHIBIT; in tcp6_use_min_mtu()
3739 tp->t_flags2 &= ~TF2_PROC_SACK_PROHIBIT; in tcp6_use_min_mtu()
3755 if (tp->t_flags & TF_NOOPT) in tcp_maxseg()
3756 return (tp->t_maxseg); in tcp_maxseg()
3765 if (TCPS_HAVEESTABLISHED(tp->t_state)) { in tcp_maxseg()
3766 if (tp->t_flags & TF_RCVD_TSTMP) in tcp_maxseg()
3771 if (tp->t_flags & TF_SIGNATURE) in tcp_maxseg()
3774 if ((tp->t_flags & TF_SACK_PERMIT) && tp->rcv_numsacks > 0) { in tcp_maxseg()
3776 optlen += tp->rcv_numsacks * TCPOLEN_SACK; in tcp_maxseg()
3780 if (tp->t_flags & TF_REQ_TSTMP) in tcp_maxseg()
3784 if (tp->t_flags & TF_REQ_SCALE) in tcp_maxseg()
3787 if (tp->t_flags & TF_SIGNATURE) in tcp_maxseg()
3790 if (tp->t_flags & TF_SACK_PERMIT) in tcp_maxseg()
3794 return (tp->t_maxseg - optlen); in tcp_maxseg()
3803 if (tp->t_flags & TF_NOOPT) in tcp_fixed_maxseg()
3804 return (tp->t_maxseg); in tcp_fixed_maxseg()
3814 if (TCPS_HAVEESTABLISHED(tp->t_state)) { in tcp_fixed_maxseg()
3815 if (tp->t_flags & TF_RCVD_TSTMP) in tcp_fixed_maxseg()
3820 if (tp->t_flags & TF_SIGNATURE) in tcp_fixed_maxseg()
3824 if (tp->t_flags & TF_REQ_TSTMP) in tcp_fixed_maxseg()
3828 if (tp->t_flags & TF_REQ_SCALE) in tcp_fixed_maxseg()
3831 if (tp->t_flags & TF_SIGNATURE) in tcp_fixed_maxseg()
3834 if (tp->t_flags & TF_SACK_PERMIT) in tcp_fixed_maxseg()
3838 return (tp->t_maxseg - optlen); in tcp_fixed_maxseg()
3865 if (req->oldptr != NULL || req->oldlen != 0) in sysctl_drop()
3867 if (req->newptr == NULL) in sysctl_drop()
3869 if (req->newlen < sizeof(addrs)) in sysctl_drop()
3880 if (fin6->sin6_len != sizeof(struct sockaddr_in6) || in sysctl_drop()
3881 lin6->sin6_len != sizeof(struct sockaddr_in6)) in sysctl_drop()
3883 if (IN6_IS_ADDR_V4MAPPED(&fin6->sin6_addr)) { in sysctl_drop()
3884 if (!IN6_IS_ADDR_V4MAPPED(&lin6->sin6_addr)) in sysctl_drop()
3906 if (fin->sin_len != sizeof(struct sockaddr_in) || in sysctl_drop()
3907 lin->sin_len != sizeof(struct sockaddr_in)) in sysctl_drop()
3918 inp = in6_pcblookup(&V_tcbinfo, &fin6->sin6_addr, in sysctl_drop()
3919 fin6->sin6_port, &lin6->sin6_addr, lin6->sin6_port, in sysctl_drop()
3925 inp = in_pcblookup(&V_tcbinfo, fin->sin_addr, fin->sin_port, in sysctl_drop()
3926 lin->sin_addr, lin->sin_port, INPLOOKUP_WLOCKPCB, NULL); in sysctl_drop()
3931 if (!SOLISTENING(inp->inp_socket)) { in sysctl_drop()
3983 if (req->oldptr != NULL || req->oldlen != 0) in sysctl_switch_tls()
3985 if (req->newptr == NULL) in sysctl_switch_tls()
3987 if (req->newlen < sizeof(addrs)) in sysctl_switch_tls()
3998 if (fin6->sin6_len != sizeof(struct sockaddr_in6) || in sysctl_switch_tls()
3999 lin6->sin6_len != sizeof(struct sockaddr_in6)) in sysctl_switch_tls()
4001 if (IN6_IS_ADDR_V4MAPPED(&fin6->sin6_addr)) { in sysctl_switch_tls()
4002 if (!IN6_IS_ADDR_V4MAPPED(&lin6->sin6_addr)) in sysctl_switch_tls()
4024 if (fin->sin_len != sizeof(struct sockaddr_in) || in sysctl_switch_tls()
4025 lin->sin_len != sizeof(struct sockaddr_in)) in sysctl_switch_tls()
4036 inp = in6_pcblookup(&V_tcbinfo, &fin6->sin6_addr, in sysctl_switch_tls()
4037 fin6->sin6_port, &lin6->sin6_addr, lin6->sin6_port, in sysctl_switch_tls()
4043 inp = in_pcblookup(&V_tcbinfo, fin->sin_addr, fin->sin_port, in sysctl_switch_tls()
4044 lin->sin_addr, lin->sin_port, INPLOOKUP_WLOCKPCB, NULL); in sysctl_switch_tls()
4052 so = inp->inp_socket; in sysctl_switch_tls()
4140 if (inc && ((inc->inc_flags & INC_ISIPV6) == 0)) { in tcp_log_addr()
4141 inet_ntoa_r(inc->inc_faddr, sp); in tcp_log_addr()
4143 sprintf(sp, "]:%i to [", ntohs(inc->inc_fport)); in tcp_log_addr()
4145 inet_ntoa_r(inc->inc_laddr, sp); in tcp_log_addr()
4147 sprintf(sp, "]:%i", ntohs(inc->inc_lport)); in tcp_log_addr()
4150 ip6_sprintf(sp, &inc->inc6_faddr); in tcp_log_addr()
4152 sprintf(sp, "]:%i to [", ntohs(inc->inc_fport)); in tcp_log_addr()
4154 ip6_sprintf(sp, &inc->inc6_laddr); in tcp_log_addr()
4156 sprintf(sp, "]:%i", ntohs(inc->inc_lport)); in tcp_log_addr()
4158 ip6_sprintf(sp, &ip6->ip6_src); in tcp_log_addr()
4160 sprintf(sp, "]:%i to [", ntohs(th->th_sport)); in tcp_log_addr()
4162 ip6_sprintf(sp, &ip6->ip6_dst); in tcp_log_addr()
4164 sprintf(sp, "]:%i", ntohs(th->th_dport)); in tcp_log_addr()
4168 inet_ntoa_r(ip->ip_src, sp); in tcp_log_addr()
4170 sprintf(sp, "]:%i to [", ntohs(th->th_sport)); in tcp_log_addr()
4172 inet_ntoa_r(ip->ip_dst, sp); in tcp_log_addr()
4174 sprintf(sp, "]:%i", ntohs(th->th_dport)); in tcp_log_addr()
4183 if (*(s + size - 1) != '\0') in tcp_log_addr()
4197 int pstate = tp->t_state; in tcp_state_change()
4200 TCPSTATES_DEC(tp->t_state); in tcp_state_change()
4202 tp->t_state = newstate; in tcp_state_change()
4207 * Create an external-format (``xtcpcb'') structure using the information in
4208 * the kernel-format tcpcb structure pointed to by tp. This is done to
4211 * information-hiding if we decide that some of this information should be
4221 xt->t_state = tp->t_state; in tcp_inptoxtp()
4222 xt->t_logstate = tcp_get_bblog_state(tp); in tcp_inptoxtp()
4223 xt->t_flags = tp->t_flags; in tcp_inptoxtp()
4224 xt->t_sndzerowin = tp->t_sndzerowin; in tcp_inptoxtp()
4225 xt->t_sndrexmitpack = tp->t_sndrexmitpack; in tcp_inptoxtp()
4226 xt->t_rcvoopack = tp->t_rcvoopack; in tcp_inptoxtp()
4227 xt->t_rcv_wnd = tp->rcv_wnd; in tcp_inptoxtp()
4228 xt->t_snd_wnd = tp->snd_wnd; in tcp_inptoxtp()
4229 xt->t_snd_cwnd = tp->snd_cwnd; in tcp_inptoxtp()
4230 xt->t_snd_ssthresh = tp->snd_ssthresh; in tcp_inptoxtp()
4231 xt->t_dsack_bytes = tp->t_dsack_bytes; in tcp_inptoxtp()
4232 xt->t_dsack_tlp_bytes = tp->t_dsack_tlp_bytes; in tcp_inptoxtp()
4233 xt->t_dsack_pack = tp->t_dsack_pack; in tcp_inptoxtp()
4234 xt->t_maxseg = tp->t_maxseg; in tcp_inptoxtp()
4235 xt->xt_ecn = (tp->t_flags2 & TF2_ECN_PERMIT) ? 1 : 0 + in tcp_inptoxtp()
4236 (tp->t_flags2 & TF2_ACE_PERMIT) ? 2 : 0; in tcp_inptoxtp()
4240 if (tp->t_timers[which] != SBT_MAX) \ in tcp_inptoxtp()
4241 xt->where = (tp->t_timers[which] - now) / SBT_1MS; \ in tcp_inptoxtp()
4243 xt->where = 0; \ in tcp_inptoxtp()
4251 xt->t_rcvtime = 1000 * (ticks - tp->t_rcvtime) / hz; in tcp_inptoxtp()
4253 xt->xt_encaps_port = tp->t_port; in tcp_inptoxtp()
4254 bcopy(tp->t_fb->tfb_tcp_block_name, xt->xt_stack, in tcp_inptoxtp()
4256 bcopy(CC_ALGO(tp)->name, xt->xt_cc, TCP_CA_NAME_MAX); in tcp_inptoxtp()
4258 (void)tcp_log_get_id(tp, xt->xt_logid); in tcp_inptoxtp()
4261 xt->xt_len = sizeof(struct xtcpcb); in tcp_inptoxtp()
4262 in_pcbtoxinpcb(inp, &xt->xt_inp); in tcp_inptoxtp()
4280 bit = 1U << (status - 1); in tcp_log_end_status()
4281 if (bit & tp->t_end_info_status) { in tcp_log_end_status()
4286 if (tp->t_end_info_bytes[i] == TCP_EI_EMPTY_SLOT) { in tcp_log_end_status()
4287 tp->t_end_info_bytes[i] = status; in tcp_log_end_status()
4288 tp->t_end_info_status |= bit; in tcp_log_end_status()
4298 if ((tcp_pacing_limit == -1) || in tcp_can_enable_pacing()
4312 if ((tcp_dgp_limit == -1) || in tcp_incr_dgp_pacing_cnt()
4330 ret = atomic_fetchadd_int(&number_of_dgp_connections, -1); in tcp_dec_dgp_pacing_cnt()
4332 KASSERT(ret != 0, ("number_of_dgp_connections -1 would cause wrap?")); in tcp_dec_dgp_pacing_cnt()
4334 if (tcp_dgp_limit != -1) { in tcp_dec_dgp_pacing_cnt()
4353 ret = atomic_fetchadd_int(&number_of_tcp_connections_pacing, -1); in tcp_decrement_paced_conn()
4355 KASSERT(ret != 0, ("tcp_paced_connection_exits -1 would cause wrap?")); in tcp_decrement_paced_conn()
4357 if (tcp_pacing_limit != -1) { in tcp_decrement_paced_conn()
4375 * b) The timer granularity. in tcp_default_switch_failed()
4388 if (SEQ_LT(th->th_ack, tp->snd_una)) { in tcp_do_ack_accounting()
4390 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4391 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4392 tp->tcp_cnt_counters[ACK_SACK]++; in tcp_do_ack_accounting()
4396 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4397 tp->tcp_cnt_counters[ACK_BEHIND]++; in tcp_do_ack_accounting()
4401 } else if (th->th_ack == tp->snd_una) { in tcp_do_ack_accounting()
4403 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4404 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4405 tp->tcp_cnt_counters[ACK_SACK]++; in tcp_do_ack_accounting()
4408 } else if (tiwin != tp->snd_wnd) { in tcp_do_ack_accounting()
4409 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4410 tp->tcp_cnt_counters[ACK_RWND]++; in tcp_do_ack_accounting()
4414 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4415 tp->tcp_cnt_counters[ACK_DUPACK]++; in tcp_do_ack_accounting()
4420 if (!SEQ_GT(th->th_ack, tp->snd_max)) { in tcp_do_ack_accounting()
4421 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4422 tp->tcp_cnt_counters[CNT_OF_ACKS_IN] += (((th->th_ack - tp->snd_una) + mss - 1)/mss); in tcp_do_ack_accounting()
4425 if (to->to_flags & TOF_SACK) { in tcp_do_ack_accounting()
4426 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4427 tp->tcp_cnt_counters[ACK_CUMACK_SACK]++; in tcp_do_ack_accounting()
4431 if (tp->t_flags2 & TF2_TCP_ACCOUNTING) { in tcp_do_ack_accounting()
4432 tp->tcp_cnt_counters[ACK_CUMACK]++; in tcp_do_ack_accounting()
4443 if (tp->t_tmr_granularity == granularity) { in tcp_change_time_units()
4448 KASSERT((tp->t_tmr_granularity == TCP_TMR_GRANULARITY_TICKS), in tcp_change_time_units()
4450 tp->t_tmr_granularity, tp)); in tcp_change_time_units()
4451 tp->t_rttlow = TICKS_2_USEC(tp->t_rttlow); in tcp_change_time_units()
4452 if (tp->t_srtt > 1) { in tcp_change_time_units()
4455 val = tp->t_srtt >> TCP_RTT_SHIFT; in tcp_change_time_units()
4456 frac = tp->t_srtt & 0x1f; in tcp_change_time_units()
4457 tp->t_srtt = TICKS_2_USEC(val); in tcp_change_time_units()
4469 tp->t_srtt += frac; in tcp_change_time_units()
4472 if (tp->t_rttvar) { in tcp_change_time_units()
4475 val = tp->t_rttvar >> TCP_RTTVAR_SHIFT; in tcp_change_time_units()
4476 frac = tp->t_rttvar & 0x1f; in tcp_change_time_units()
4477 tp->t_rttvar = TICKS_2_USEC(val); in tcp_change_time_units()
4489 tp->t_rttvar += frac; in tcp_change_time_units()
4492 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_USEC; in tcp_change_time_units()
4495 KASSERT((tp->t_tmr_granularity == TCP_TMR_GRANULARITY_USEC), in tcp_change_time_units()
4497 tp->t_tmr_granularity, tp)); in tcp_change_time_units()
4498 if (tp->t_srtt > 1) { in tcp_change_time_units()
4501 val = USEC_2_TICKS(tp->t_srtt); in tcp_change_time_units()
4502 frac = tp->t_srtt % (HPTS_USEC_IN_SEC / hz); in tcp_change_time_units()
4503 tp->t_srtt = val << TCP_RTT_SHIFT; in tcp_change_time_units()
4516 tp->t_srtt += frac; in tcp_change_time_units()
4519 if (tp->t_rttvar) { in tcp_change_time_units()
4522 val = USEC_2_TICKS(tp->t_rttvar); in tcp_change_time_units()
4523 frac = tp->t_rttvar % (HPTS_USEC_IN_SEC / hz); in tcp_change_time_units()
4524 tp->t_rttvar = val << TCP_RTTVAR_SHIFT; in tcp_change_time_units()
4537 tp->t_rttvar += frac; in tcp_change_time_units()
4540 tp->t_rttlow = USEC_2_TICKS(tp->t_rttlow); in tcp_change_time_units()
4541 tp->t_tmr_granularity = TCP_TMR_GRANULARITY_TICKS; in tcp_change_time_units()
4564 if (tp->t_flags2 & TF2_MBUF_L_ACKS) in tcp_handle_orphaned_packets()
4566 if ((tp->t_flags2 & TF2_SUPPORTS_MBUFQ) == 0 && in tcp_handle_orphaned_packets()
4567 !STAILQ_EMPTY(&tp->t_inqueue)) { in tcp_handle_orphaned_packets()
4578 m = STAILQ_FIRST(&tp->t_inqueue); in tcp_handle_orphaned_packets()
4579 STAILQ_INIT(&tp->t_inqueue); in tcp_handle_orphaned_packets()
4580 STAILQ_FOREACH_FROM_SAFE(m, &tp->t_inqueue, m_stailqpkt, save) in tcp_handle_orphaned_packets()
4588 STAILQ_FOREACH_SAFE(m, &tp->t_inqueue, m_stailqpkt, save) { in tcp_handle_orphaned_packets()
4589 if (m->m_flags & M_ACKCMP) { in tcp_handle_orphaned_packets()
4590 if (m == STAILQ_FIRST(&tp->t_inqueue)) in tcp_handle_orphaned_packets()
4591 STAILQ_REMOVE_HEAD(&tp->t_inqueue, in tcp_handle_orphaned_packets()
4594 STAILQ_REMOVE_AFTER(&tp->t_inqueue, in tcp_handle_orphaned_packets()
4611 tls = so->so_snd.sb_tls_info; in tcp_estimate_tls_overhead()
4615 rec_oh = tls->params.tls_hlen + tls->params.tls_tlen; in tcp_estimate_tls_overhead()
4616 records = ((tls_usr_bytes + tls->params.max_frame_len - 1)/tls->params.max_frame_len); in tcp_estimate_tls_overhead()
4639 log.u_bbr.rttProp = req->timestamp; in tcp_req_log_req_info()
4640 log.u_bbr.delRate = req->start; in tcp_req_log_req_info()
4641 log.u_bbr.cur_del_rate = req->end; in tcp_req_log_req_info()
4642 log.u_bbr.flex1 = req->start_seq; in tcp_req_log_req_info()
4643 log.u_bbr.flex2 = req->end_seq; in tcp_req_log_req_info()
4644 log.u_bbr.flex3 = req->flags; in tcp_req_log_req_info()
4645 log.u_bbr.flex4 = ((req->localtime >> 32) & 0x00000000ffffffff); in tcp_req_log_req_info()
4646 log.u_bbr.flex5 = (req->localtime & 0x00000000ffffffff); in tcp_req_log_req_info()
4653 log.u_bbr.lt_epoch = ((req->cspr >> 32) & 0x00000000ffffffff); in tcp_req_log_req_info()
4654 log.u_bbr.pkts_out |= (req->cspr & 0x00000000ffffffff); in tcp_req_log_req_info()
4655 log.u_bbr.applimited = tp->t_tcpreq_closed; in tcp_req_log_req_info()
4657 log.u_bbr.applimited |= tp->t_tcpreq_open; in tcp_req_log_req_info()
4659 log.u_bbr.applimited |= tp->t_tcpreq_req; in tcp_req_log_req_info()
4662 &tptosocket(tp)->so_rcv, in tcp_req_log_req_info()
4663 &tptosocket(tp)->so_snd, in tcp_req_log_req_info()
4672 if (tp->t_tcpreq_req > 0) in tcp_req_free_a_slot()
4673 tp->t_tcpreq_req--; in tcp_req_free_a_slot()
4674 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) { in tcp_req_free_a_slot()
4675 if (tp->t_tcpreq_open > 0) in tcp_req_free_a_slot()
4676 tp->t_tcpreq_open--; in tcp_req_free_a_slot()
4678 if (tp->t_tcpreq_closed > 0) in tcp_req_free_a_slot()
4679 tp->t_tcpreq_closed--; in tcp_req_free_a_slot()
4681 ent->flags = TCP_TRK_TRACK_FLG_EMPTY; in tcp_req_free_a_slot()
4692 ent = &tp->t_tcpreq_info[i]; in tcp_req_check_for_stale_entries()
4693 if (ent->flags != TCP_TRK_TRACK_FLG_USED) { in tcp_req_check_for_stale_entries()
4702 if (ts >= ent->localtime) in tcp_req_check_for_stale_entries()
4703 time_delta = ts - ent->localtime; in tcp_req_check_for_stale_entries()
4714 * No sendfile in a our time-limit in tcp_req_check_for_stale_entries()
4718 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], i, TCP_TRK_REQ_LOG_STALE, in tcp_req_check_for_stale_entries()
4724 ent = &tp->t_tcpreq_info[oldest]; in tcp_req_check_for_stale_entries()
4725 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], i, TCP_TRK_REQ_LOG_STALE, in tcp_req_check_for_stale_entries()
4738 if (tp->t_tcpreq_req == 0) in tcp_req_check_for_comp()
4740 if (tp->t_tcpreq_closed == 0) in tcp_req_check_for_comp()
4743 ent = &tp->t_tcpreq_info[i]; in tcp_req_check_for_comp()
4745 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_check_for_comp()
4748 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) in tcp_req_check_for_comp()
4750 if (SEQ_GEQ(ack_point, ent->end_seq)) { in tcp_req_check_for_comp()
4751 /* We are past it -- free it */ in tcp_req_check_for_comp()
4764 if (tp->t_tcpreq_req == 0) in tcp_req_is_entry_comp()
4765 return (-1); in tcp_req_is_entry_comp()
4766 if (tp->t_tcpreq_closed == 0) in tcp_req_is_entry_comp()
4767 return (-1); in tcp_req_is_entry_comp()
4768 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_is_entry_comp()
4769 return (-1); in tcp_req_is_entry_comp()
4770 if (SEQ_GEQ(ack_point, ent->end_seq)) { in tcp_req_is_entry_comp()
4787 if (tp->t_tcpreq_req == 0) { in tcp_req_find_a_req_that_is_completed_by()
4792 ent = &tp->t_tcpreq_info[i]; in tcp_req_find_a_req_that_is_completed_by()
4793 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) in tcp_req_find_a_req_that_is_completed_by()
4795 if ((ent->flags & TCP_TRK_TRACK_FLG_OPEN) == 0) { in tcp_req_find_a_req_that_is_completed_by()
4796 if (SEQ_GEQ(th_ack, ent->end_seq)) { in tcp_req_find_a_req_that_is_completed_by()
4811 if (tp->t_tcpreq_req == 0) { in tcp_req_find_req_for_seq()
4816 ent = &tp->t_tcpreq_info[i]; in tcp_req_find_req_for_seq()
4819 if (ent->flags == TCP_TRK_TRACK_FLG_EMPTY) { in tcp_req_find_req_for_seq()
4822 if (ent->flags & TCP_TRK_TRACK_FLG_OPEN) { in tcp_req_find_req_for_seq()
4830 if ((SEQ_GEQ(seq, ent->start_seq)) || in tcp_req_find_req_for_seq()
4831 (tp->t_tcpreq_closed == 0)) in tcp_req_find_req_for_seq()
4839 if ((SEQ_GEQ(seq, ent->start_seq)) && in tcp_req_find_req_for_seq()
4840 (SEQ_LT(seq, ent->end_seq))) { in tcp_req_find_req_for_seq()
4856 tcp_req_check_for_comp(tp, tp->snd_una); in tcp_req_alloc_req_full()
4858 if (tp->t_tcpreq_req) in tcp_req_alloc_req_full()
4860 (tp->t_tcpreq_req >= MAX_TCP_TRK_REQ)); in tcp_req_alloc_req_full()
4862 if (tp->t_tcpreq_req) { in tcp_req_alloc_req_full()
4864 fil = &tp->t_tcpreq_info[i]; in tcp_req_alloc_req_full()
4865 if ((fil->flags & TCP_TRK_TRACK_FLG_USED) == 0) in tcp_req_alloc_req_full()
4867 if ((fil->timestamp == req->timestamp) && in tcp_req_alloc_req_full()
4868 (fil->start == req->start) && in tcp_req_alloc_req_full()
4869 ((fil->flags & TCP_TRK_TRACK_FLG_OPEN) || in tcp_req_alloc_req_full()
4870 (fil->end == req->end))) { in tcp_req_alloc_req_full()
4883 if (tp->t_tcpreq_req >= MAX_TCP_TRK_REQ) { in tcp_req_alloc_req_full()
4886 tcp_req_log_req_info(tp, &tp->t_tcpreq_info[i], in tcp_req_alloc_req_full()
4892 fil = &tp->t_tcpreq_info[i]; in tcp_req_alloc_req_full()
4893 if (fil->flags == TCP_TRK_TRACK_FLG_EMPTY) { in tcp_req_alloc_req_full()
4895 fil->flags = TCP_TRK_TRACK_FLG_USED; in tcp_req_alloc_req_full()
4896 fil->timestamp = req->timestamp; in tcp_req_alloc_req_full()
4897 fil->playout_ms = req->playout_ms; in tcp_req_alloc_req_full()
4898 fil->localtime = ts; in tcp_req_alloc_req_full()
4899 fil->start = req->start; in tcp_req_alloc_req_full()
4900 if (req->flags & TCP_LOG_HTTPD_RANGE_END) { in tcp_req_alloc_req_full()
4901 fil->end = req->end; in tcp_req_alloc_req_full()
4903 fil->end = 0; in tcp_req_alloc_req_full()
4904 fil->flags |= TCP_TRK_TRACK_FLG_OPEN; in tcp_req_alloc_req_full()
4911 fil->sbcc_at_s = tptosocket(tp)->so_snd.sb_ccc; in tcp_req_alloc_req_full()
4912 fil->start_seq = tp->snd_una + in tcp_req_alloc_req_full()
4913 tptosocket(tp)->so_snd.sb_ccc; in tcp_req_alloc_req_full()
4914 if (req->flags & TCP_LOG_HTTPD_RANGE_END) in tcp_req_alloc_req_full()
4915 fil->end_seq = (fil->start_seq + ((uint32_t)(fil->end - fil->start))); in tcp_req_alloc_req_full()
4917 fil->end_seq = 0; in tcp_req_alloc_req_full()
4918 if (tptosocket(tp)->so_snd.sb_tls_info) { in tcp_req_alloc_req_full()
4923 fil->end_seq += tcp_estimate_tls_overhead( in tcp_req_alloc_req_full()
4924 tptosocket(tp), (fil->end - fil->start)); in tcp_req_alloc_req_full()
4926 tp->t_tcpreq_req++; in tcp_req_alloc_req_full()
4927 if (fil->flags & TCP_TRK_TRACK_FLG_OPEN) in tcp_req_alloc_req_full()
4928 tp->t_tcpreq_open++; in tcp_req_alloc_req_full()
4930 tp->t_tcpreq_closed++; in tcp_req_alloc_req_full()
4943 (void)tcp_req_alloc_req_full(tp, &user->tcp_req, ts, 1); in tcp_req_alloc_req()
4954 &tptosocket(tp)->so_rcv, in tcp_log_socket_option()
4955 &tptosocket(tp)->so_snd, in tcp_log_socket_option()
4960 l->tlb_flex1 = option_num; in tcp_log_socket_option()
4961 l->tlb_flex2 = option_val; in tcp_log_socket_option()
4976 srtt = tp->t_srtt; in tcp_get_srtt()
4983 if (tp->t_tmr_granularity != granularity) { in tcp_get_srtt()
4996 if (tp->t_tmr_granularity == TCP_TMR_GRANULARITY_TICKS) in tcp_get_srtt()
5008 tp->t_sndtlppack++; in tcp_account_for_send()
5009 tp->t_sndtlpbyte += len; in tcp_account_for_send()
5013 tp->t_snd_rxt_bytes += len; in tcp_account_for_send()
5015 tp->t_sndbytes += len; in tcp_account_for_send()
5021 rexmit_percent = (1000ULL * tp->t_snd_rxt_bytes) / in tcp_account_for_send()
5022 (10ULL * (tp->t_snd_rxt_bytes + tp->t_sndbytes)); in tcp_account_for_send()