NetBSD/sys/net/agr/ieee8023ad_lacp_debug.c

194 lines
4.9 KiB
C

/* $NetBSD: ieee8023ad_lacp_debug.c,v 1.4 2005/12/11 12:24:54 christos Exp $ */
/*-
* Copyright (c)2005 YAMAMOTO Takashi,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ieee8023ad_lacp_debug.c,v 1.4 2005/12/11 12:24:54 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <machine/stdarg.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/agr/ieee8023_slowprotocols.h>
#include <net/agr/ieee8023_tlv.h>
#include <net/agr/ieee8023ad_lacp.h>
#include <net/agr/ieee8023ad_lacp_impl.h>
#include <net/agr/ieee8023ad_lacp_debug.h>
#if defined(LACP_DEBUG)
int lacpdebug = 0;
#endif /* defined(LACP_DEBUG) */
const char *
lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen)
{
snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X",
(int)mac[0],
(int)mac[1],
(int)mac[2],
(int)mac[3],
(int)mac[4],
(int)mac[5]);
return buf;
}
const char *
lacp_format_systemid(const struct lacp_systemid *sysid,
char *buf, size_t buflen)
{
char macbuf[LACP_MACSTR_MAX+1];
snprintf(buf, buflen, "%04X,%s",
be16toh(sysid->lsi_prio),
lacp_format_mac(sysid->lsi_mac, macbuf, sizeof(macbuf)));
return buf;
}
const char *
lacp_format_portid(const struct lacp_portid *portid, char *buf, size_t buflen)
{
snprintf(buf, buflen, "%04X,%04X",
be16toh(portid->lpi_prio),
be16toh(portid->lpi_portno));
return buf;
}
const char *
lacp_format_partner(const struct lacp_peerinfo *peer, char *buf, size_t buflen)
{
char sysid[LACP_SYSTEMIDSTR_MAX+1];
char portid[LACP_PORTIDSTR_MAX+1];
snprintf(buf, buflen, "(%s,%04X,%s)",
lacp_format_systemid(&peer->lip_systemid, sysid, sizeof(sysid)),
be16toh(peer->lip_key),
lacp_format_portid(&peer->lip_portid, portid, sizeof(portid)));
return buf;
}
const char *
lacp_format_lagid(const struct lacp_peerinfo *a,
const struct lacp_peerinfo *b, char *buf, size_t buflen)
{
char astr[LACP_PARTNERSTR_MAX+1];
char bstr[LACP_PARTNERSTR_MAX+1];
#if 0
/*
* there's a convention to display small numbered peer
* in the left.
*/
if (lacp_compare_peerinfo(a, b) > 0) {
const struct lacp_peerinfo *t;
t = a;
a = b;
b = t;
}
#endif
snprintf(buf, buflen, "[%s,%s]",
lacp_format_partner(a, astr, sizeof(astr)),
lacp_format_partner(b, bstr, sizeof(bstr)));
return buf;
}
const char *
lacp_format_lagid_aggregator(const struct lacp_aggregator *la,
char *buf, size_t buflen)
{
if (la == NULL) {
return "(none)";
}
return lacp_format_lagid(&la->la_actor, &la->la_partner, buf, buflen);
}
const char *
lacp_format_state(uint8_t state, char *buf, size_t buflen)
{
static const char lacp_state_bits[] = LACP_STATE_BITS;
bitmask_snprintf(state, lacp_state_bits, buf, buflen);
return buf;
}
void
lacp_dump_lacpdu(const struct lacpdu *du)
{
char buf[LACP_PARTNERSTR_MAX+1];
char buf2[LACP_STATESTR_MAX+1];
printf("actor=%s\n",
lacp_format_partner(&du->ldu_actor, buf, sizeof(buf)));
printf("actor.state=%s\n",
lacp_format_state(du->ldu_actor.lip_state, buf2, sizeof(buf2)));
printf("partner=%s\n",
lacp_format_partner(&du->ldu_partner, buf, sizeof(buf)));
printf("partner.state=%s\n",
lacp_format_state(du->ldu_partner.lip_state, buf2, sizeof(buf2)));
printf("maxdelay=%d\n", be16toh(du->ldu_collector.lci_maxdelay));
}
#if defined(LACP_DEBUG)
#include <net/agr/if_agrvar_impl.h>
void
lacp_dprintf(const struct lacp_port *lp, const char *fmt, ...)
{
va_list va;
if (lacpdebug == 0) {
return;
}
if (lp) {
printf("%s: ", lp->lp_agrport->port_ifp->if_xname);
}
va_start(va, fmt);
vprintf(fmt, va);
va_end(va);
}
#endif