/*- * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved. * Copyright (c) 2011, by Michael Tuexen. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * a) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * b) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the distribution. * * c) Neither the name of Cisco Systems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #if 0 #ifndef lint static char sccsid[] = "@(#)sctp.c 0.1 (Berkeley) 4/18/2007"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" #include #ifdef SCTP static void sctp_statesprint(uint32_t state); #define NETSTAT_SCTP_STATES_CLOSED 0x0 #define NETSTAT_SCTP_STATES_BOUND 0x1 #define NETSTAT_SCTP_STATES_LISTEN 0x2 #define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3 #define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4 #define NETSTAT_SCTP_STATES_ESTABLISHED 0x5 #define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6 #define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7 #define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8 #define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9 static const char *sctpstates[] = { "CLOSED", "BOUND", "LISTEN", "COOKIE_WAIT", "COOKIE_ECHOED", "ESTABLISHED", "SHUTDOWN_SENT", "SHUTDOWN_RECEIVED", "SHUTDOWN_ACK_SENT", "SHUTDOWN_PENDING" }; static LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head; struct xladdr_entry { struct xsctp_laddr *xladdr; LIST_ENTRY(xladdr_entry) xladdr_entries; }; static LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head; struct xraddr_entry { struct xsctp_raddr *xraddr; LIST_ENTRY(xraddr_entry) xraddr_entries; }; /* * Construct an Internet address representation. * If numeric_addr has been supplied, give * numeric value, otherwise try for symbolic name. */ #ifdef INET static char * inetname(struct in_addr *inp) { char *cp; static char line[MAXHOSTNAMELEN]; struct hostent *hp; struct netent *np; cp = 0; if (!numeric_addr && inp->s_addr != INADDR_ANY) { int net = inet_netof(*inp); int lna = inet_lnaof(*inp); if (lna == INADDR_ANY) { np = getnetbyaddr(net, AF_INET); if (np) cp = np->n_name; } if (cp == NULL) { hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); if (hp) { cp = hp->h_name; trimdomain(cp, strlen(cp)); } } } if (inp->s_addr == INADDR_ANY) strcpy(line, "*"); else if (cp) { strlcpy(line, cp, sizeof(line)); } else { inp->s_addr = ntohl(inp->s_addr); #define C(x) ((u_int)((x) & 0xff)) sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); inp->s_addr = htonl(inp->s_addr); } return (line); } #endif #ifdef INET6 static char ntop_buf[INET6_ADDRSTRLEN]; static char * inet6name(struct in6_addr *in6p) { char *cp; static char line[50]; struct hostent *hp; static char domain[MAXHOSTNAMELEN]; static int first = 1; if (first && !numeric_addr) { first = 0; if (gethostname(domain, MAXHOSTNAMELEN) == 0 && (cp = strchr(domain, '.'))) (void) strcpy(domain, cp + 1); else domain[0] = 0; } cp = 0; if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { hp = gethostbyaddr((char *)in6p, sizeof(*in6p), AF_INET6); if (hp) { if ((cp = strchr(hp->h_name, '.')) && !strcmp(cp + 1, domain)) *cp = 0; cp = hp->h_name; } } if (IN6_IS_ADDR_UNSPECIFIED(in6p)) strcpy(line, "*"); else if (cp) strcpy(line, cp); else sprintf(line, "%s", inet_ntop(AF_INET6, (void *)in6p, ntop_buf, sizeof(ntop_buf))); return (line); } #endif static void sctp_print_address(const char *container, union sctp_sockstore *address, int port, int num_port) { struct servent *sp = 0; char line[80], *cp; int width; if (container) xo_open_container(container); switch (address->sa.sa_family) { #ifdef INET case AF_INET: sprintf(line, "%.*s.", Wflag ? 39 : 16, inetname(&address->sin.sin_addr)); break; #endif #ifdef INET6 case AF_INET6: sprintf(line, "%.*s.", Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr)); break; #endif default: sprintf(line, "%.*s.", Wflag ? 39 : 16, ""); break; } cp = strchr(line, '\0'); if (!num_port && port) sp = getservbyport((int)port, "sctp"); if (sp || port == 0) sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); else sprintf(cp, "%d ", ntohs((u_short)port)); width = Wflag ? 45 : 22; xo_emit("{d:target/%-*.*s} ", width, width, line); int alen = cp - line - 1, plen = strlen(cp) - 1; xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, plen, cp); if (container) xo_close_container(container); } static int sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset) { int exist_tcb = 0; struct xsctp_tcb *xstcb; struct xsctp_raddr *xraddr; struct xsctp_laddr *xladdr; while (*offset < buflen) { xladdr = (struct xsctp_laddr *)(buf + *offset); *offset += sizeof(struct xsctp_laddr); if (xladdr->last == 1) break; } while (*offset < buflen) { xstcb = (struct xsctp_tcb *)(buf + *offset); *offset += sizeof(struct xsctp_tcb); if (xstcb->last == 1) break; exist_tcb = 1; while (*offset < buflen) { xladdr = (struct xsctp_laddr *)(buf + *offset); *offset += sizeof(struct xsctp_laddr); if (xladdr->last == 1) break; } while (*offset < buflen) { xraddr = (struct xsctp_raddr *)(buf + *offset); *offset += sizeof(struct xsctp_raddr); if (xraddr->last == 1) break; } } /* * If Lflag is set, we don't care about the return value. */ if (Lflag) return 0; return exist_tcb; } static void sctp_process_tcb(struct xsctp_tcb *xstcb, char *buf, const size_t buflen, size_t *offset, int *indent) { int i, xl_total = 0, xr_total = 0, x_max; struct xsctp_raddr *xraddr; struct xsctp_laddr *xladdr; struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp; struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp; LIST_INIT(&xladdr_head); LIST_INIT(&xraddr_head); /* * Make `struct xladdr_list' list and `struct xraddr_list' list * to handle the address flexibly. */ while (*offset < buflen) { xladdr = (struct xsctp_laddr *)(buf + *offset); *offset += sizeof(struct xsctp_laddr); if (xladdr->last == 1) break; prev_xl = xl; xl = malloc(sizeof(struct xladdr_entry)); if (xl == NULL) { xo_warnx("malloc %lu bytes", (u_long)sizeof(struct xladdr_entry)); goto out; } xl->xladdr = xladdr; if (prev_xl == NULL) LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries); else LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries); xl_total++; } while (*offset < buflen) { xraddr = (struct xsctp_raddr *)(buf + *offset); *offset += sizeof(struct xsctp_raddr); if (xraddr->last == 1) break; prev_xr = xr; xr = malloc(sizeof(struct xraddr_entry)); if (xr == NULL) { xo_warnx("malloc %lu bytes", (u_long)sizeof(struct xraddr_entry)); goto out; } xr->xraddr = xraddr; if (prev_xr == NULL) LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries); else LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries); xr_total++; } /* * Let's print the address infos. */ xo_open_list("address"); xl = LIST_FIRST(&xladdr_head); xr = LIST_FIRST(&xraddr_head); x_max = (xl_total > xr_total) ? xl_total : xr_total; for (i = 0; i < x_max; i++) { xo_open_instance("address"); if (((*indent == 0) && i > 0) || *indent > 0) xo_emit("{P:/%-12s} ", " "); if (xl != NULL) { sctp_print_address("local", &(xl->xladdr->address), htons(xstcb->local_port), numeric_port); } else { if (Wflag) { xo_emit("{P:/%-45s} ", " "); } else { xo_emit("{P:/%-22s} ", " "); } } if (xr != NULL && !Lflag) { sctp_print_address("remote", &(xr->xraddr->address), htons(xstcb->remote_port), numeric_port); } if (xl != NULL) xl = LIST_NEXT(xl, xladdr_entries); if (xr != NULL) xr = LIST_NEXT(xr, xraddr_entries); if (i == 0 && !Lflag) sctp_statesprint(xstcb->state); if (i < x_max) xo_emit("\n"); xo_close_instance("address"); } out: /* * Free the list which be used to handle the address. */ xl = LIST_FIRST(&xladdr_head); while (xl != NULL) { xl_tmp = LIST_NEXT(xl, xladdr_entries); free(xl); xl = xl_tmp; } xr = LIST_FIRST(&xraddr_head); while (xr != NULL) { xr_tmp = LIST_NEXT(xr, xraddr_entries); free(xr); xr = xr_tmp; } } static void sctp_process_inpcb(struct xsctp_inpcb *xinpcb, char *buf, const size_t buflen, size_t *offset) { int indent = 0, xladdr_total = 0, is_listening = 0; static int first = 1; const char *tname, *pname; struct xsctp_tcb *xstcb; struct xsctp_laddr *xladdr; size_t offset_laddr; int process_closed; if (xinpcb->maxqlen > 0) is_listening = 1; if (first) { if (!Lflag) { xo_emit("Active SCTP associations"); if (aflag) xo_emit(" (including servers)"); } else xo_emit("Current listen queue sizes (qlen/maxqlen)"); xo_emit("\n"); if (Lflag) xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-8.8s} " "{T:/%-22.22s}\n", "Proto", "Type", "Listen", "Local Address"); else if (Wflag) xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-45.45s} " "{T:/%-45.45s} {T:/%s}\n", "Proto", "Type", "Local Address", "Foreign Address", "(state)"); else xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-22.22s} " "{T:/%-22.22s} {T:/%s}\n", "Proto", "Type", "Local Address", "Foreign Address", "(state)"); first = 0; } xladdr = (struct xsctp_laddr *)(buf + *offset); if (Lflag && !is_listening) { sctp_skip_xinpcb_ifneed(buf, buflen, offset); return; } if (xinpcb->flags & SCTP_PCB_FLAGS_BOUND_V6) { /* Can't distinguish between sctp46 and sctp6 */ pname = "sctp46"; } else { pname = "sctp4"; } if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) tname = "1to1"; else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE) tname = "1toN"; else tname = "????"; if (Lflag) { char buf1[22]; snprintf(buf1, sizeof buf1, "%u/%u", xinpcb->qlen, xinpcb->maxqlen); xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", pname, tname); xo_emit("{d:queues/%-8.8s}{e:queue-len/%hu}" "{e:max-queue-len/%hu} ", buf1, xinpcb->qlen, xinpcb->maxqlen); } offset_laddr = *offset; process_closed = 0; xo_open_list("local-address"); retry: while (*offset < buflen) { xladdr = (struct xsctp_laddr *)(buf + *offset); *offset += sizeof(struct xsctp_laddr); if (xladdr->last) { if (aflag && !Lflag && (xladdr_total == 0) && process_closed) { xo_open_instance("local-address"); xo_emit("{:protocol/%-6.6s/%s} " "{:type/%-5.5s/%s} ", pname, tname); if (Wflag) { xo_emit("{P:/%-91.91s/%s} " "{:state/CLOSED}", " "); } else { xo_emit("{P:/%-45.45s/%s} " "{:state/CLOSED}", " "); } xo_close_instance("local-address"); } if (process_closed || is_listening) { xo_emit("\n"); } break; } if (!Lflag && !is_listening && !process_closed) continue; xo_open_instance("local-address"); if (xladdr_total == 0) { xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", pname, tname); } else { xo_emit("\n"); xo_emit(Lflag ? "{P:/%-21.21s} " : "{P:/%-12.12s} ", " "); } sctp_print_address("local", &(xladdr->address), htons(xinpcb->local_port), numeric_port); if (aflag && !Lflag && xladdr_total == 0) { if (Wflag) { if (process_closed) { xo_emit("{P:/%-45.45s} " "{:state/CLOSED}", " "); } else { xo_emit("{P:/%-45.45s} " "{:state:LISTEN}", " "); } } else { if (process_closed) { xo_emit("{P:/%-22.22s} " "{:state/CLOSED}", " "); } else { xo_emit("{P:/%-22.22s} " "{:state/LISTEN}", " "); } } } xladdr_total++; xo_close_instance("local-address"); } xstcb = (struct xsctp_tcb *)(buf + *offset); *offset += sizeof(struct xsctp_tcb); if (aflag && (xladdr_total == 0) && xstcb->last && !process_closed) { process_closed = 1; *offset = offset_laddr; goto retry; } while (xstcb->last == 0 && *offset < buflen) { xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ", pname, tname); sctp_process_tcb(xstcb, buf, buflen, offset, &indent); indent++; xstcb = (struct xsctp_tcb *)(buf + *offset); *offset += sizeof(struct xsctp_tcb); } xo_close_list("local-address"); } /* * Print a summary of SCTP connections related to an Internet * protocol. */ void sctp_protopr(u_long off __unused, const char *name __unused, int af1 __unused, int proto) { char *buf; const char *mibvar = "net.inet.sctp.assoclist"; size_t offset = 0; size_t len = 0; struct xsctp_inpcb *xinpcb; if (proto != IPPROTO_SCTP) return; if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { if (errno != ENOENT) xo_warn("sysctl: %s", mibvar); return; } if ((buf = malloc(len)) == NULL) { xo_warnx("malloc %lu bytes", (u_long)len); return; } if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { xo_warn("sysctl: %s", mibvar); free(buf); return; } xinpcb = (struct xsctp_inpcb *)(buf + offset); offset += sizeof(struct xsctp_inpcb); while (xinpcb->last == 0 && offset < len) { sctp_process_inpcb(xinpcb, buf, (const size_t)len, &offset); xinpcb = (struct xsctp_inpcb *)(buf + offset); offset += sizeof(struct xsctp_inpcb); } free(buf); } static void sctp_statesprint(uint32_t state) { int idx; switch (state) { case SCTP_CLOSED: idx = NETSTAT_SCTP_STATES_CLOSED; break; case SCTP_BOUND: idx = NETSTAT_SCTP_STATES_BOUND; break; case SCTP_LISTEN: idx = NETSTAT_SCTP_STATES_LISTEN; break; case SCTP_COOKIE_WAIT: idx = NETSTAT_SCTP_STATES_COOKIE_WAIT; break; case SCTP_COOKIE_ECHOED: idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED; break; case SCTP_ESTABLISHED: idx = NETSTAT_SCTP_STATES_ESTABLISHED; break; case SCTP_SHUTDOWN_SENT: idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT; break; case SCTP_SHUTDOWN_RECEIVED: idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED; break; case SCTP_SHUTDOWN_ACK_SENT: idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT; break; case SCTP_SHUTDOWN_PENDING: idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING; break; default: xo_emit("UNKNOWN {:state/0x%08x}", state); return; } xo_emit("{:state/%s}", sctpstates[idx]); } /* * Dump SCTP statistics structure. */ void sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) { struct sctpstat sctpstat; if (fetch_stats("net.inet.sctp.stats", off, &sctpstat, sizeof(sctpstat), kread) != 0) return; xo_open_container(name); xo_emit("{T:/%s}:\n", name); #define p(f, m) if (sctpstat.f || sflag <= 1) \ xo_emit(m, (uintmax_t)sctpstat.f, plural(sctpstat.f)) #define p1a(f, m) if (sctpstat.f || sflag <= 1) \ xo_emit(m, (uintmax_t)sctpstat.f) /* * input statistics */ p(sctps_recvpackets, "\t{:received-packets/%ju} " "{N:/input packet%s}\n"); p(sctps_recvdatagrams, "\t\t{:received-datagrams/%ju} " "{N:/datagram%s}\n"); p(sctps_recvpktwithdata, "\t\t{:received-with-data/%ju} " "{N:/packet%s that had data}\n"); p(sctps_recvsacks, "\t\t{:received-sack-chunks/%ju} " "{N:/input SACK chunk%s}\n"); p(sctps_recvdata, "\t\t{:received-data-chunks/%ju} " "{N:/input DATA chunk%s}\n"); p(sctps_recvdupdata, "\t\t{:received-duplicate-data-chunks/%ju} " "{N:/duplicate DATA chunk%s}\n"); p(sctps_recvheartbeat, "\t\t{:received-hb-chunks/%ju} " "{N:/input HB chunk%s}\n"); p(sctps_recvheartbeatack, "\t\t{:received-hb-ack-chunks/%ju} " "{N:/HB-ACK chunk%s}\n"); p(sctps_recvecne, "\t\t{:received-ecne-chunks/%ju} " "{N:/input ECNE chunk%s}\n"); p(sctps_recvauth, "\t\t{:received-auth-chunks/%ju} " "{N:/input AUTH chunk%s}\n"); p(sctps_recvauthmissing, "\t\t{:dropped-missing-auth/%ju} " "{N:/chunk%s missing AUTH}\n"); p(sctps_recvivalhmacid, "\t\t{:dropped-invalid-hmac/%ju} " "{N:/invalid HMAC id%s received}\n"); p(sctps_recvivalkeyid, "\t\t{:dropped-invalid-secret/%ju} " "{N:/invalid secret id%s received}\n"); p1a(sctps_recvauthfailed, "\t\t{:dropped-auth-failed/%ju} " "{N:/auth failed}\n"); p1a(sctps_recvexpress, "\t\t{:received-fast-path/%ju} " "{N:/fast path receives all one chunk}\n"); p1a(sctps_recvexpressm, "\t\t{:receives-fast-path-multipart/%ju} " "{N:/fast path multi-part data}\n"); /* * output statistics */ p(sctps_sendpackets, "\t{:sent-packets/%ju} " "{N:/output packet%s}\n"); p(sctps_sendsacks, "\t\t{:sent-sacks/%ju} " "{N:/output SACK%s}\n"); p(sctps_senddata, "\t\t{:sent-data-chunks/%ju} " "{N:/output DATA chunk%s}\n"); p(sctps_sendretransdata, "\t\t{:sent-retransmitted-data-chunks/%ju} " "{N:/retransmitted DATA chunk%s}\n"); p(sctps_sendfastretrans, "\t\t" "{:sent-fast-retransmitted-data-chunks/%ju} " "{N:/fast retransmitted DATA chunk%s}\n"); p(sctps_sendmultfastretrans, "\t\t" "{:sent-fast-retransmitted-data-chunk-multiple-times/%ju} " "{N:/FR'%s that happened more than once to same chunk}\n"); p(sctps_sendheartbeat, "\t\t{:sent-hb-chunks/%ju} " "{N:/output HB chunk%s}\n"); p(sctps_sendecne, "\t\t{:sent-ecne-chunks/%ju} " "{N:/output ECNE chunk%s}\n"); p(sctps_sendauth, "\t\t{:sent-auth-chunks/%ju} " "{N:/output AUTH chunk%s}\n"); p1a(sctps_senderrors, "\t\t{:send-errors/%ju} " "{N:/ip_output error counter}\n"); /* * PCKDROPREP statistics */ xo_emit("\t{T:Packet drop statistics}:\n"); xo_open_container("drop-statistics"); p1a(sctps_pdrpfmbox, "\t\t{:middle-box/%ju} " "{N:/from middle box}\n"); p1a(sctps_pdrpfehos, "\t\t{:end-host/%ju} " "{N:/from end host}\n"); p1a(sctps_pdrpmbda, "\t\t{:with-data/%ju} " "{N:/with data}\n"); p1a(sctps_pdrpmbct, "\t\t{:non-data/%ju} " "{N:/non-data, non-endhost}\n"); p1a(sctps_pdrpbwrpt, "\t\t{:non-endhost/%ju} " "{N:/non-endhost, bandwidth rep only}\n"); p1a(sctps_pdrpcrupt, "\t\t{:short-header/%ju} " "{N:/not enough for chunk header}\n"); p1a(sctps_pdrpnedat, "\t\t{:short-data/%ju} " "{N:/not enough data to confirm}\n"); p1a(sctps_pdrppdbrk, "\t\t{:chunk-break/%ju} " "{N:/where process_chunk_drop said break}\n"); p1a(sctps_pdrptsnnf, "\t\t{:tsn-not-found/%ju} " "{N:/failed to find TSN}\n"); p1a(sctps_pdrpdnfnd, "\t\t{:reverse-tsn/%ju} " "{N:/attempt reverse TSN lookup}\n"); p1a(sctps_pdrpdiwnp, "\t\t{:confirmed-zero-window/%ju} " "{N:/e-host confirms zero-rwnd}\n"); p1a(sctps_pdrpdizrw, "\t\t{:middle-box-no-space/%ju} " "{N:/midbox confirms no space}\n"); p1a(sctps_pdrpbadd, "\t\t{:bad-data/%ju} " "{N:/data did not match TSN}\n"); p(sctps_pdrpmark, "\t\t{:tsn-marked-fast-retransmission/%ju} " "{N:/TSN'%s marked for Fast Retran}\n"); xo_close_container("drop-statistics"); /* * Timeouts */ xo_emit("\t{T:Timeouts}:\n"); xo_open_container("timeouts"); p(sctps_timoiterator, "\t\t{:iterator/%ju} " "{N:/iterator timer%s fired}\n"); p(sctps_timodata, "\t\t{:t3-data/%ju} " "{N:/T3 data time out%s}\n"); p(sctps_timowindowprobe, "\t\t{:window-probe/%ju} " "{N:/window probe (T3) timer%s fired}\n"); p(sctps_timoinit, "\t\t{:init-timer/%ju} " "{N:/INIT timer%s fired}\n"); p(sctps_timosack, "\t\t{:sack-timer/%ju} " "{N:/sack timer%s fired}\n"); p(sctps_timoshutdown, "\t\t{:shutdown-timer/%ju} " "{N:/shutdown timer%s fired}\n"); p(sctps_timoheartbeat, "\t\t{:heartbeat-timer/%ju} " "{N:/heartbeat timer%s fired}\n"); p1a(sctps_timocookie, "\t\t{:cookie-timer/%ju} " "{N:/a cookie timeout fired}\n"); p1a(sctps_timosecret, "\t\t{:endpoint-changed-cookie/%ju} " "{N:/an endpoint changed its cook}ie" "secret\n"); p(sctps_timopathmtu, "\t\t{:pmtu-timer/%ju} " "{N:/PMTU timer%s fired}\n"); p(sctps_timoshutdownack, "\t\t{:shutdown-timer/%ju} " "{N:/shutdown ack timer%s fired}\n"); p(sctps_timoshutdownguard, "\t\t{:shutdown-guard-timer/%ju} " "{N:/shutdown guard timer%s fired}\n"); p(sctps_timostrmrst, "\t\t{:stream-reset-timer/%ju} " "{N:/stream reset timer%s fired}\n"); p(sctps_timoearlyfr, "\t\t{:early-fast-retransmission-timer/%ju} " "{N:/early FR timer%s fired}\n"); p1a(sctps_timoasconf, "\t\t{:asconf-timer/%ju} " "{N:/an asconf timer fired}\n"); p1a(sctps_timoautoclose, "\t\t{:auto-close-timer/%ju} " "{N:/auto close timer fired}\n"); p(sctps_timoassockill, "\t\t{:asoc-free-timer/%ju} " "{N:/asoc free timer%s expired}\n"); p(sctps_timoinpkill, "\t\t{:input-free-timer/%ju} " "{N:/inp free timer%s expired}\n"); xo_close_container("timeouts"); #if 0 /* * Early fast retransmission counters */ p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n"); p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n"); p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n"); p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n"); p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n"); p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n"); p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n"); p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n"); p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n"); p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n"); p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n"); #endif /* * Others */ p1a(sctps_hdrops, "\t{:dropped-too-short/%ju} " "{N:/packet shorter than header}\n"); p1a(sctps_badsum, "\t{:dropped-bad-checksum/%ju} " "{N:/checksum error}\n"); p1a(sctps_noport, "\t{:dropped-no-endpoint/%ju} " "{N:/no endpoint for port}\n"); p1a(sctps_badvtag, "\t{:dropped-bad-v-tag/%ju} " "{N:/bad v-tag}\n"); p1a(sctps_badsid, "\t{:dropped-bad-sid/%ju} " "{N:/bad SID}\n"); p1a(sctps_nomem, "\t{:dropped-no-memory/%ju} " "{N:/no memory}\n"); p1a(sctps_fastretransinrtt, "\t{:multiple-fast-retransmits-in-rtt/%ju} " "{N:/number of multiple FR in a RT}T window\n"); #if 0 p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n"); #endif p1a(sctps_naglesent, "\t{:rfc813-sent/%ju} " "{N:/RFC813 allowed sending}\n"); p1a(sctps_naglequeued, "\t{:rfc813-queued/%ju} " "{N:/RFC813 does not allow sending}\n"); p1a(sctps_maxburstqueued, "\t{:max-burst-queued/%ju} " "{N:/times max burst prohibited sending}\n"); p1a(sctps_ifnomemqueued, "\t{:no-memory-in-interface/%ju} " "{N:/look ahead tells us no memory in interface}\n"); p(sctps_windowprobed, "\t{:sent-window-probes/%ju} " "{N:/number%s of window probes sent}\n"); p(sctps_lowlevelerr, "\t{:low-level-err/%ju} " "{N:/time%s an output error to clamp down on next user send}\n"); p(sctps_lowlevelerrusr, "\t{:low-level-user-error/%ju} " "{N:/time%s sctp_senderrors were caused from a user}\n"); p(sctps_datadropchklmt, "\t{:dropped-chunk-limit/%ju} " "{N:/number of in data drop%s due to chunk limit reached}\n"); p(sctps_datadroprwnd, "\t{:dropped-rwnd-limit/%ju} " "{N:/number of in data drop%s due to rwnd limit reached}\n"); p(sctps_ecnereducedcwnd, "\t{:ecn-reduced-cwnd/%ju} " "{N:/time%s a ECN reduced the cwnd}\n"); p1a(sctps_vtagexpress, "\t{:v-tag-express-lookup/%ju} " "{N:/used express lookup via vtag}\n"); p1a(sctps_vtagbogus, "\t{:v-tag-collision/%ju} " "{N:/collision in express lookup}\n"); p(sctps_primary_randry, "\t{:sender-ran-dry/%ju} " "{N:/time%s the sender ran dry of user data on primary}\n"); p1a(sctps_cmt_randry, "\t{:cmt-ran-dry/%ju} " "{N:/same for above}\n"); p(sctps_slowpath_sack, "\t{:slow-path-sack/%ju} " "{N:/sack%s the slow way}\n"); p(sctps_wu_sacks_sent, "\t{:sent-window-update-only-sack/%ju} " "{N:/window update only sack%s sent}\n"); p(sctps_sends_with_flags, "\t{:sent-with-sinfo/%ju} " "{N:/send%s with sinfo_flags !=0}\n"); p(sctps_sends_with_unord, "\t{:sent-with-unordered/%ju} " "{N:/unordered send%s}\n"); p(sctps_sends_with_eof, "\t{:sent-with-eof/%ju} " "{N:/send%s with EOF flag set}\n"); p(sctps_sends_with_abort, "\t{:sent-with-abort/%ju} " "{N:/send%s with ABORT flag set}\n"); p(sctps_protocol_drain_calls, "\t{:protocol-drain-called/%ju} " "{N:/time%s protocol drain called}\n"); p(sctps_protocol_drains_done, "\t{:protocol-drain/%ju} " "{N:/time%s we did a protocol drain}\n"); p(sctps_read_peeks, "\t{:read-with-peek/%ju} " "{N:/time%s recv was called with peek}\n"); p(sctps_cached_chk, "\t{:cached-chunks/%ju} " "{N:/cached chunk%s used}\n"); p1a(sctps_cached_strmoq, "\t{:cached-output-queue-used/%ju} " "{N:/cached stream oq's used}\n"); p(sctps_left_abandon, "\t{:messages-abandoned/%ju} " "{N:/unread message%s abandonded by close}\n"); p1a(sctps_send_burst_avoid, "\t{:send-burst-avoidance/%ju} " "{N:/send burst avoidance, already max burst inflight to net}\n"); p1a(sctps_send_cwnd_avoid, "\t{:send-cwnd-avoidance/%ju} " "{N:/send cwnd full avoidance, already max burst inflight " "to net}\n"); p(sctps_fwdtsn_map_over, "\t{:tsn-map-overruns/%ju} " "{N:/number of map array over-run%s via fwd-tsn's}\n"); #undef p #undef p1a xo_close_container(name); } #endif /* SCTP */