9bf9ce8144
This fixes a bug with link local addresses. This will require and upcoming change in the kernel to bring SCTP to the same behaviour as UDP and TCP. MFC after: 3 days
844 lines
25 KiB
C
844 lines
25 KiB
C
/*-
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* Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved.
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* Copyright (c) 2011, by Michael Tuexen. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* a) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* b) Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* c) Neither the name of Cisco Systems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)sctp.c 0.1 (Berkeley) 4/18/2007";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/sysctl.h>
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#include <sys/protosw.h>
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#include <netinet/in.h>
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#include <netinet/sctp.h>
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#include <netinet/sctp_constants.h>
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#include <arpa/inet.h>
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#include <err.h>
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#include <errno.h>
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#include <libutil.h>
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#include <netdb.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <unistd.h>
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#include "netstat.h"
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#include <libxo/xo.h>
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#ifdef SCTP
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static void sctp_statesprint(uint32_t state);
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#define NETSTAT_SCTP_STATES_CLOSED 0x0
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#define NETSTAT_SCTP_STATES_BOUND 0x1
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#define NETSTAT_SCTP_STATES_LISTEN 0x2
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#define NETSTAT_SCTP_STATES_COOKIE_WAIT 0x3
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#define NETSTAT_SCTP_STATES_COOKIE_ECHOED 0x4
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#define NETSTAT_SCTP_STATES_ESTABLISHED 0x5
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#define NETSTAT_SCTP_STATES_SHUTDOWN_SENT 0x6
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#define NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED 0x7
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#define NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT 0x8
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#define NETSTAT_SCTP_STATES_SHUTDOWN_PENDING 0x9
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static const char *sctpstates[] = {
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"CLOSED",
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"BOUND",
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"LISTEN",
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"COOKIE_WAIT",
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"COOKIE_ECHOED",
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"ESTABLISHED",
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"SHUTDOWN_SENT",
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"SHUTDOWN_RECEIVED",
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"SHUTDOWN_ACK_SENT",
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"SHUTDOWN_PENDING"
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};
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static LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head;
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struct xladdr_entry {
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struct xsctp_laddr *xladdr;
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LIST_ENTRY(xladdr_entry) xladdr_entries;
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};
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static LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head;
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struct xraddr_entry {
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struct xsctp_raddr *xraddr;
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LIST_ENTRY(xraddr_entry) xraddr_entries;
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};
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#ifdef INET
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char *
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inetname(struct in_addr *inp);
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#endif
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#ifdef INET6
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char *
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inet6name(struct in6_addr *in6p);
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#endif
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static void
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sctp_print_address(const char *container, union sctp_sockstore *address,
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int port, int num_port)
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{
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struct servent *sp = 0;
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char line[80], *cp;
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int width;
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if (container)
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xo_open_container(container);
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switch (address->sa.sa_family) {
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#ifdef INET
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case AF_INET:
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sprintf(line, "%.*s.", Wflag ? 39 : 16, inetname(&address->sin.sin_addr));
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break;
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#endif
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#ifdef INET6
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case AF_INET6:
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sprintf(line, "%.*s.", Wflag ? 39 : 16, inet6name(&address->sin6.sin6_addr));
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break;
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#endif
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default:
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sprintf(line, "%.*s.", Wflag ? 39 : 16, "");
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break;
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}
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cp = strchr(line, '\0');
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if (!num_port && port)
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sp = getservbyport((int)port, "sctp");
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if (sp || port == 0)
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sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
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else
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sprintf(cp, "%d ", ntohs((u_short)port));
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width = Wflag ? 45 : 22;
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xo_emit("{d:target/%-*.*s} ", width, width, line);
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int alen = cp - line - 1, plen = strlen(cp) - 1;
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xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
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plen, cp);
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if (container)
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xo_close_container(container);
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}
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static int
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sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset)
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{
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int exist_tcb = 0;
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struct xsctp_tcb *xstcb;
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struct xsctp_raddr *xraddr;
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struct xsctp_laddr *xladdr;
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while (*offset < buflen) {
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xladdr = (struct xsctp_laddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_laddr);
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if (xladdr->last == 1)
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break;
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}
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while (*offset < buflen) {
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xstcb = (struct xsctp_tcb *)(buf + *offset);
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*offset += sizeof(struct xsctp_tcb);
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if (xstcb->last == 1)
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break;
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exist_tcb = 1;
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while (*offset < buflen) {
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xladdr = (struct xsctp_laddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_laddr);
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if (xladdr->last == 1)
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break;
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}
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while (*offset < buflen) {
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xraddr = (struct xsctp_raddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_raddr);
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if (xraddr->last == 1)
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break;
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}
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}
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/*
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* If Lflag is set, we don't care about the return value.
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*/
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if (Lflag)
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return 0;
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return exist_tcb;
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}
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static void
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sctp_process_tcb(struct xsctp_tcb *xstcb,
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char *buf, const size_t buflen, size_t *offset, int *indent)
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{
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int i, xl_total = 0, xr_total = 0, x_max;
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struct xsctp_raddr *xraddr;
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struct xsctp_laddr *xladdr;
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struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp;
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struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp;
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LIST_INIT(&xladdr_head);
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LIST_INIT(&xraddr_head);
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/*
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* Make `struct xladdr_list' list and `struct xraddr_list' list
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* to handle the address flexibly.
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*/
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while (*offset < buflen) {
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xladdr = (struct xsctp_laddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_laddr);
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if (xladdr->last == 1)
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break;
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prev_xl = xl;
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xl = malloc(sizeof(struct xladdr_entry));
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if (xl == NULL) {
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xo_warnx("malloc %lu bytes",
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(u_long)sizeof(struct xladdr_entry));
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goto out;
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}
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xl->xladdr = xladdr;
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if (prev_xl == NULL)
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LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries);
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else
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LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries);
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xl_total++;
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}
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while (*offset < buflen) {
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xraddr = (struct xsctp_raddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_raddr);
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if (xraddr->last == 1)
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break;
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prev_xr = xr;
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xr = malloc(sizeof(struct xraddr_entry));
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if (xr == NULL) {
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xo_warnx("malloc %lu bytes",
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(u_long)sizeof(struct xraddr_entry));
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goto out;
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}
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xr->xraddr = xraddr;
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if (prev_xr == NULL)
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LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries);
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else
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LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries);
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xr_total++;
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}
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/*
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* Let's print the address infos.
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*/
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xo_open_list("address");
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xl = LIST_FIRST(&xladdr_head);
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xr = LIST_FIRST(&xraddr_head);
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x_max = MAX(xl_total, xr_total);
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for (i = 0; i < x_max; i++) {
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xo_open_instance("address");
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if (((*indent == 0) && i > 0) || *indent > 0)
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xo_emit("{P:/%-12s} ", " ");
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if (xl != NULL) {
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sctp_print_address("local", &(xl->xladdr->address),
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htons(xstcb->local_port), numeric_port);
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} else {
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if (Wflag) {
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xo_emit("{P:/%-45s} ", " ");
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} else {
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xo_emit("{P:/%-22s} ", " ");
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}
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}
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if (xr != NULL && !Lflag) {
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sctp_print_address("remote", &(xr->xraddr->address),
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htons(xstcb->remote_port), numeric_port);
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}
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if (xl != NULL)
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xl = LIST_NEXT(xl, xladdr_entries);
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if (xr != NULL)
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xr = LIST_NEXT(xr, xraddr_entries);
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if (i == 0 && !Lflag)
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sctp_statesprint(xstcb->state);
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if (i < x_max)
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xo_emit("\n");
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xo_close_instance("address");
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}
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out:
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/*
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* Free the list which be used to handle the address.
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*/
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xl = LIST_FIRST(&xladdr_head);
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while (xl != NULL) {
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xl_tmp = LIST_NEXT(xl, xladdr_entries);
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free(xl);
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xl = xl_tmp;
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}
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xr = LIST_FIRST(&xraddr_head);
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while (xr != NULL) {
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xr_tmp = LIST_NEXT(xr, xraddr_entries);
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free(xr);
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xr = xr_tmp;
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}
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}
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static void
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sctp_process_inpcb(struct xsctp_inpcb *xinpcb,
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char *buf, const size_t buflen, size_t *offset)
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{
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int indent = 0, xladdr_total = 0, is_listening = 0;
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static int first = 1;
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const char *tname, *pname;
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struct xsctp_tcb *xstcb;
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struct xsctp_laddr *xladdr;
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size_t offset_laddr;
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int process_closed;
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if (xinpcb->maxqlen > 0)
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is_listening = 1;
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if (first) {
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if (!Lflag) {
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xo_emit("Active SCTP associations");
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if (aflag)
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xo_emit(" (including servers)");
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} else
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xo_emit("Current listen queue sizes (qlen/maxqlen)");
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xo_emit("\n");
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if (Lflag)
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xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-8.8s} "
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"{T:/%-22.22s}\n",
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"Proto", "Type", "Listen", "Local Address");
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else
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if (Wflag)
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xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-45.45s} "
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"{T:/%-45.45s} {T:/%s}\n",
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"Proto", "Type",
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"Local Address", "Foreign Address",
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"(state)");
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else
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xo_emit("{T:/%-6.6s} {T:/%-5.5s} {T:/%-22.22s} "
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"{T:/%-22.22s} {T:/%s}\n",
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"Proto", "Type",
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"Local Address", "Foreign Address",
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"(state)");
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first = 0;
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}
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xladdr = (struct xsctp_laddr *)(buf + *offset);
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if ((!aflag && is_listening) ||
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(Lflag && !is_listening)) {
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sctp_skip_xinpcb_ifneed(buf, buflen, offset);
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return;
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}
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if (xinpcb->flags & SCTP_PCB_FLAGS_BOUND_V6) {
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/* Can't distinguish between sctp46 and sctp6 */
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pname = "sctp46";
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} else {
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pname = "sctp4";
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}
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if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE)
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tname = "1to1";
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else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE)
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tname = "1toN";
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else
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tname = "????";
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|
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if (Lflag) {
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char buf1[22];
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snprintf(buf1, sizeof buf1, "%u/%u",
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xinpcb->qlen, xinpcb->maxqlen);
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xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ",
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pname, tname);
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xo_emit("{d:queues/%-8.8s}{e:queue-len/%hu}"
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"{e:max-queue-len/%hu} ",
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buf1, xinpcb->qlen, xinpcb->maxqlen);
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}
|
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|
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offset_laddr = *offset;
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process_closed = 0;
|
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|
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xo_open_list("local-address");
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retry:
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while (*offset < buflen) {
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xladdr = (struct xsctp_laddr *)(buf + *offset);
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*offset += sizeof(struct xsctp_laddr);
|
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if (xladdr->last) {
|
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if (aflag && !Lflag && (xladdr_total == 0) && process_closed) {
|
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xo_open_instance("local-address");
|
|
|
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xo_emit("{:protocol/%-6.6s/%s} "
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"{:type/%-5.5s/%s} ", pname, tname);
|
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if (Wflag) {
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xo_emit("{P:/%-91.91s/%s} "
|
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"{:state/CLOSED}", " ");
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} else {
|
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xo_emit("{P:/%-45.45s/%s} "
|
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"{:state/CLOSED}", " ");
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|
}
|
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xo_close_instance("local-address");
|
|
}
|
|
if (process_closed || is_listening) {
|
|
xo_emit("\n");
|
|
}
|
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break;
|
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}
|
|
|
|
if (!Lflag && !is_listening && !process_closed)
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continue;
|
|
|
|
xo_open_instance("local-address");
|
|
|
|
if (xladdr_total == 0) {
|
|
if (!Lflag) {
|
|
xo_emit("{:protocol/%-6.6s/%s} "
|
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"{:type/%-5.5s/%s} ", pname, tname);
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}
|
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} else {
|
|
xo_emit("\n");
|
|
xo_emit(Lflag ? "{P:/%-21.21s} " : "{P:/%-12.12s} ",
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" ");
|
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}
|
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sctp_print_address("local", &(xladdr->address),
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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} "
|
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"{:state/LISTEN}", " ");
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|
}
|
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} else {
|
|
if (process_closed) {
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|
xo_emit("{P:/%-22.22s} "
|
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"{:state/CLOSED}", " ");
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} else {
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xo_emit("{P:/%-22.22s} "
|
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"{:state/LISTEN}", " ");
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}
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}
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}
|
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xladdr_total++;
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xo_close_instance("local-address");
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|
}
|
|
|
|
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;
|
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goto retry;
|
|
}
|
|
while (xstcb->last == 0 && *offset < buflen) {
|
|
xo_emit("{:protocol/%-6.6s/%s} {:type/%-5.5s/%s} ",
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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");
|
|
}
|
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|
|
/*
|
|
* 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 */
|