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-rw-r--r--usr.bin/netstat/sctp.c841
1 files changed, 841 insertions, 0 deletions
diff --git a/usr.bin/netstat/sctp.c b/usr.bin/netstat/sctp.c
new file mode 100644
index 000000000000..08cfc31c12c9
--- /dev/null
+++ b/usr.bin/netstat/sctp.c
@@ -0,0 +1,841 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * 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.
+ */
+
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/sysctl.h>
+#include <sys/protosw.h>
+
+#include <netinet/in.h>
+#include <netinet/sctp.h>
+#include <netinet/sctp_constants.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <libutil.h>
+#include <netdb.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include "netstat.h"
+#include <libxo/xo.h>
+
+#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;
+};
+
+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;
+ size_t alen, plen;
+
+ if (container)
+ xo_open_container(container);
+
+ switch (address->sa.sa_family) {
+#ifdef INET
+ case AF_INET:
+ snprintf(line, sizeof(line), "%.*s.",
+ Wflag ? 39 : 16, inetname(&address->sin.sin_addr));
+ break;
+#endif
+#ifdef INET6
+ case AF_INET6:
+ snprintf(line, sizeof(line), "%.*s.",
+ Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr));
+ break;
+#endif
+ default:
+ snprintf(line, sizeof(line), "%.*s.",
+ Wflag ? 39 : 16, "");
+ break;
+ }
+ alen = strlen(line);
+ cp = line + alen;
+ if (!num_port && port)
+ sp = getservbyport((int)port, "sctp");
+ if (sp || port == 0)
+ snprintf(cp, sizeof(line) - alen,
+ "%.15s ", sp ? sp->s_name : "*");
+ else
+ snprintf(cp, sizeof(line) - alen,
+ "%d ", ntohs((u_short)port));
+ width = Wflag ? 45 : 22;
+ xo_emit("{d:target/%-*.*s} ", width, width, line);
+
+ plen = strlen(cp) - 1;
+ alen--;
+ 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 = MAX(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 ((!aflag && is_listening) ||
+ (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) {
+ if (!Lflag) {
+ 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");
+ p1a(sctps_recvswcrc, "\t\t{:performed-receive-crc32c-computation/%ju} "
+ "{N:/performed receive crc32c computation}\n");
+ p1a(sctps_recvhwcrc, "\t\t{:performed-receive-crc32c-offloading/%ju} "
+ "{N:/performed receive crc32c offloading}\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");
+ p1a(sctps_sendswcrc, "\t\t{:performed-receive-crc32c-computation/%ju} "
+ "{N:/performed transmit crc32c computation}\n");
+ p1a(sctps_sendhwcrc, "\t\t{:performed-transmit-crc32c-offloading/%ju} "
+ "{N:/performed transmit crc32c offloading}\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-ack-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 */