333 lines
8.3 KiB
C
333 lines
8.3 KiB
C
/*-
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_lagg.h>
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#include <net/ieee8023ad_lacp.h>
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#include <net/route.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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#include <errno.h>
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#include "ifconfig.h"
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char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */
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static void
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setlaggport(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqport rp;
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bzero(&rp, sizeof(rp));
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strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
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strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
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/* Don't choke if the port is already in this lagg. */
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if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST)
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err(1, "SIOCSLAGGPORT");
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}
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static void
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unsetlaggport(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqport rp;
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bzero(&rp, sizeof(rp));
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strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
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strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
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if (ioctl(s, SIOCSLAGGDELPORT, &rp))
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err(1, "SIOCSLAGGDELPORT");
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}
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static void
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setlaggproto(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_protos lpr[] = LAGG_PROTOS;
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struct lagg_reqall ra;
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int i;
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bzero(&ra, sizeof(ra));
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ra.ra_proto = LAGG_PROTO_MAX;
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for (i = 0; i < nitems(lpr); i++) {
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if (strcmp(val, lpr[i].lpr_name) == 0) {
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ra.ra_proto = lpr[i].lpr_proto;
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break;
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}
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}
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if (ra.ra_proto == LAGG_PROTO_MAX)
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errx(1, "Invalid aggregation protocol: %s", val);
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strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
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if (ioctl(s, SIOCSLAGG, &ra) != 0)
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err(1, "SIOCSLAGG");
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}
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static void
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setlaggflowidshift(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqopts ro;
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bzero(&ro, sizeof(ro));
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ro.ro_opts = LAGG_OPT_FLOWIDSHIFT;
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strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
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ro.ro_flowid_shift = (int)strtol(val, NULL, 10);
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if (ro.ro_flowid_shift & ~LAGG_OPT_FLOWIDSHIFT_MASK)
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errx(1, "Invalid flowid_shift option: %s", val);
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if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
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err(1, "SIOCSLAGGOPTS");
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}
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static void
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setlaggrr_limit(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqopts ro;
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bzero(&ro, sizeof(ro));
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strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
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ro.ro_bkt = (int)strtol(val, NULL, 10);
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if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
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err(1, "SIOCSLAGG");
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}
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static void
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setlaggsetopt(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqopts ro;
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bzero(&ro, sizeof(ro));
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ro.ro_opts = d;
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switch (ro.ro_opts) {
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case LAGG_OPT_USE_FLOWID:
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case -LAGG_OPT_USE_FLOWID:
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case LAGG_OPT_LACP_STRICT:
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case -LAGG_OPT_LACP_STRICT:
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case LAGG_OPT_LACP_TXTEST:
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case -LAGG_OPT_LACP_TXTEST:
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case LAGG_OPT_LACP_RXTEST:
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case -LAGG_OPT_LACP_RXTEST:
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case LAGG_OPT_LACP_TIMEOUT:
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case -LAGG_OPT_LACP_TIMEOUT:
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break;
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default:
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err(1, "Invalid lagg option");
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}
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strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
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if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
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err(1, "SIOCSLAGGOPTS");
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}
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static void
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setlagghash(const char *val, int d, int s, const struct afswtch *afp)
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{
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struct lagg_reqflags rf;
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char *str, *tmp, *tok;
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rf.rf_flags = 0;
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str = tmp = strdup(val);
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while ((tok = strsep(&tmp, ",")) != NULL) {
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if (strcmp(tok, "l2") == 0)
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rf.rf_flags |= LAGG_F_HASHL2;
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else if (strcmp(tok, "l3") == 0)
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rf.rf_flags |= LAGG_F_HASHL3;
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else if (strcmp(tok, "l4") == 0)
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rf.rf_flags |= LAGG_F_HASHL4;
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else
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errx(1, "Invalid lagghash option: %s", tok);
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}
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free(str);
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if (rf.rf_flags == 0)
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errx(1, "No lagghash options supplied");
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strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
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if (ioctl(s, SIOCSLAGGHASH, &rf))
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err(1, "SIOCSLAGGHASH");
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}
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static char *
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lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen)
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{
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snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X",
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(int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3],
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(int)mac[4], (int)mac[5]);
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return (buf);
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}
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static char *
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lacp_format_peer(struct lacp_opreq *req, const char *sep)
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{
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char macbuf1[20];
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char macbuf2[20];
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snprintf(lacpbuf, sizeof(lacpbuf),
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"[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]",
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req->actor_prio,
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lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)),
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req->actor_key, req->actor_portprio, req->actor_portno, sep,
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req->partner_prio,
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lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)),
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req->partner_key, req->partner_portprio, req->partner_portno);
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return(lacpbuf);
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}
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static void
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lagg_status(int s)
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{
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struct lagg_protos lpr[] = LAGG_PROTOS;
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struct lagg_reqport rp, rpbuf[LAGG_MAX_PORTS];
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struct lagg_reqall ra;
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struct lagg_reqopts ro;
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struct lagg_reqflags rf;
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struct lacp_opreq *lp;
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const char *proto = "<unknown>";
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int i, isport = 0;
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bzero(&rp, sizeof(rp));
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bzero(&ra, sizeof(ra));
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bzero(&ro, sizeof(ro));
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strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
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strlcpy(rp.rp_portname, name, sizeof(rp.rp_portname));
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if (ioctl(s, SIOCGLAGGPORT, &rp) == 0)
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isport = 1;
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strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
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ra.ra_size = sizeof(rpbuf);
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ra.ra_port = rpbuf;
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strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
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ioctl(s, SIOCGLAGGOPTS, &ro);
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strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
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if (ioctl(s, SIOCGLAGGFLAGS, &rf) != 0)
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rf.rf_flags = 0;
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if (ioctl(s, SIOCGLAGG, &ra) == 0) {
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lp = (struct lacp_opreq *)&ra.ra_lacpreq;
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for (i = 0; i < nitems(lpr); i++) {
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if (ra.ra_proto == lpr[i].lpr_proto) {
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proto = lpr[i].lpr_name;
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break;
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}
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}
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printf("\tlaggproto %s", proto);
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if (rf.rf_flags & LAGG_F_HASHMASK) {
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const char *sep = "";
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printf(" lagghash ");
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if (rf.rf_flags & LAGG_F_HASHL2) {
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printf("%sl2", sep);
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sep = ",";
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}
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if (rf.rf_flags & LAGG_F_HASHL3) {
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printf("%sl3", sep);
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sep = ",";
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}
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if (rf.rf_flags & LAGG_F_HASHL4) {
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printf("%sl4", sep);
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sep = ",";
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}
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}
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if (isport)
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printf(" laggdev %s", rp.rp_ifname);
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putchar('\n');
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if (verbose) {
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printf("\tlagg options:\n");
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printb("\t\tflags", ro.ro_opts, LAGG_OPT_BITS);
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putchar('\n');
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printf("\t\tflowid_shift: %d\n", ro.ro_flowid_shift);
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if (ra.ra_proto == LAGG_PROTO_ROUNDROBIN)
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printf("\t\trr_limit: %d\n", ro.ro_bkt);
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printf("\tlagg statistics:\n");
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printf("\t\tactive ports: %d\n", ro.ro_active);
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printf("\t\tflapping: %u\n", ro.ro_flapping);
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if (ra.ra_proto == LAGG_PROTO_LACP) {
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printf("\tlag id: %s\n",
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lacp_format_peer(lp, "\n\t\t "));
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}
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}
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for (i = 0; i < ra.ra_ports; i++) {
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lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq;
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printf("\tlaggport: %s ", rpbuf[i].rp_portname);
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printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS);
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if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
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printb(" state", lp->actor_state,
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LACP_STATE_BITS);
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putchar('\n');
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if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
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printf("\t\t%s\n",
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lacp_format_peer(lp, "\n\t\t "));
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}
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if (0 /* XXX */) {
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printf("\tsupported aggregation protocols:\n");
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for (i = 0; i < nitems(lpr); i++)
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printf("\t\tlaggproto %s\n", lpr[i].lpr_name);
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}
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}
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}
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static struct cmd lagg_cmds[] = {
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DEF_CMD_ARG("laggport", setlaggport),
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DEF_CMD_ARG("-laggport", unsetlaggport),
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DEF_CMD_ARG("laggproto", setlaggproto),
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DEF_CMD_ARG("lagghash", setlagghash),
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DEF_CMD("use_flowid", LAGG_OPT_USE_FLOWID, setlaggsetopt),
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DEF_CMD("-use_flowid", -LAGG_OPT_USE_FLOWID, setlaggsetopt),
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DEF_CMD("lacp_strict", LAGG_OPT_LACP_STRICT, setlaggsetopt),
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DEF_CMD("-lacp_strict", -LAGG_OPT_LACP_STRICT, setlaggsetopt),
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DEF_CMD("lacp_txtest", LAGG_OPT_LACP_TXTEST, setlaggsetopt),
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DEF_CMD("-lacp_txtest", -LAGG_OPT_LACP_TXTEST, setlaggsetopt),
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DEF_CMD("lacp_rxtest", LAGG_OPT_LACP_RXTEST, setlaggsetopt),
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DEF_CMD("-lacp_rxtest", -LAGG_OPT_LACP_RXTEST, setlaggsetopt),
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DEF_CMD("lacp_fast_timeout", LAGG_OPT_LACP_TIMEOUT, setlaggsetopt),
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DEF_CMD("-lacp_fast_timeout", -LAGG_OPT_LACP_TIMEOUT, setlaggsetopt),
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DEF_CMD_ARG("flowid_shift", setlaggflowidshift),
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DEF_CMD_ARG("rr_limit", setlaggrr_limit),
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};
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static struct afswtch af_lagg = {
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.af_name = "af_lagg",
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.af_af = AF_UNSPEC,
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.af_other_status = lagg_status,
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};
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static __constructor void
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lagg_ctor(void)
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{
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int i;
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for (i = 0; i < nitems(lagg_cmds); i++)
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cmd_register(&lagg_cmds[i]);
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af_register(&af_lagg);
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}
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