freebsd-dev/sbin/ifconfig/iflagg.c

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/*-
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <stdlib.h>
#include <unistd.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_lagg.h>
#include <net/route.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <errno.h>
#include "ifconfig.h"
char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */
static void
setlaggport(const char *val, int d, int s, const struct afswtch *afp)
{
struct lagg_reqport rp;
bzero(&rp, sizeof(rp));
strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
if (ioctl(s, SIOCSLAGGPORT, &rp))
err(1, "SIOCSLAGGPORT");
}
static void
unsetlaggport(const char *val, int d, int s, const struct afswtch *afp)
{
struct lagg_reqport rp;
bzero(&rp, sizeof(rp));
strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
if (ioctl(s, SIOCSLAGGDELPORT, &rp))
err(1, "SIOCSLAGGDELPORT");
}
static void
setlaggproto(const char *val, int d, int s, const struct afswtch *afp)
{
struct lagg_protos lpr[] = LAGG_PROTOS;
struct lagg_reqall ra;
int i;
bzero(&ra, sizeof(ra));
ra.ra_proto = LAGG_PROTO_MAX;
for (i = 0; i < (sizeof(lpr) / sizeof(lpr[0])); i++) {
if (strcmp(val, lpr[i].lpr_name) == 0) {
ra.ra_proto = lpr[i].lpr_proto;
break;
}
}
if (ra.ra_proto == LAGG_PROTO_MAX)
errx(1, "Invalid aggregation protocol: %s", val);
strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
if (ioctl(s, SIOCSLAGG, &ra) != 0)
err(1, "SIOCSLAGG");
}
static 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);
}
static char *
lacp_format_peer(struct lacp_opreq *req, const char *sep)
{
char macbuf1[20];
char macbuf2[20];
snprintf(lacpbuf, sizeof(lacpbuf),
"[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]",
req->actor_prio,
lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)),
req->actor_key, req->actor_portprio, req->actor_portno, sep,
req->partner_prio,
lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)),
req->partner_key, req->partner_portprio, req->partner_portno);
return(lacpbuf);
}
static void
lagg_status(int s)
{
struct lagg_protos lpr[] = LAGG_PROTOS;
struct lagg_reqport rp, rpbuf[LAGG_MAX_PORTS];
struct lagg_reqall ra;
struct lacp_opreq *lp;
const char *proto = "<unknown>";
int i, isport = 0;
bzero(&rp, sizeof(rp));
bzero(&ra, sizeof(ra));
strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
strlcpy(rp.rp_portname, name, sizeof(rp.rp_portname));
if (ioctl(s, SIOCGLAGGPORT, &rp) == 0)
isport = 1;
strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
ra.ra_size = sizeof(rpbuf);
ra.ra_port = rpbuf;
if (ioctl(s, SIOCGLAGG, &ra) == 0) {
lp = (struct lacp_opreq *)&ra.ra_lacpreq;
for (i = 0; i < (sizeof(lpr) / sizeof(lpr[0])); i++) {
if (ra.ra_proto == lpr[i].lpr_proto) {
proto = lpr[i].lpr_name;
break;
}
}
printf("\tlaggproto %s", proto);
if (isport)
printf(" laggdev %s", rp.rp_ifname);
putchar('\n');
if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
printf("\tlag id: %s\n",
lacp_format_peer(lp, "\n\t\t "));
for (i = 0; i < ra.ra_ports; i++) {
lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq;
printf("\tlaggport: %s ", rpbuf[i].rp_portname);
printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS);
if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
printf(" state=%X", lp->actor_state);
putchar('\n');
if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
printf("\t\t%s\n",
lacp_format_peer(lp, "\n\t\t "));
}
if (0 /* XXX */) {
printf("\tsupported aggregation protocols:\n");
for (i = 0; i < (sizeof(lpr) / sizeof(lpr[0])); i++)
printf("\t\tlaggproto %s\n", lpr[i].lpr_name);
}
} else if (isport)
printf("\tlagg: laggdev %s\n", rp.rp_ifname);
}
static struct cmd lagg_cmds[] = {
DEF_CMD_ARG("laggport", setlaggport),
DEF_CMD_ARG("-laggport", unsetlaggport),
DEF_CMD_ARG("laggproto", setlaggproto),
};
static struct afswtch af_lagg = {
.af_name = "af_lagg",
.af_af = AF_UNSPEC,
.af_other_status = lagg_status,
};
static __constructor void
lagg_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
int i;
for (i = 0; i < N(lagg_cmds); i++)
cmd_register(&lagg_cmds[i]);
af_register(&af_lagg);
#undef N
}