5 static const char rcsid[] =
10 #include <sys/ioctl.h>
11 #include <sys/socket.h>
12 #include <sys/sockio.h>
17 #include <net/ethernet.h>
19 #include <net/if_lagg.h>
20 #include <net/ieee8023ad_lacp.h>
21 #include <net/route.h>
33 static struct iflaggparam params = {
34 .lagg_type = LAGG_TYPE_DEFAULT,
37 static char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */
40 setlaggport(const char *val, int d, int s, const struct afswtch *afp)
42 struct lagg_reqport rp;
44 bzero(&rp, sizeof(rp));
45 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
46 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
49 * Do not exit with an error here. Doing so permits a
50 * failed NIC to take down an entire lagg.
52 * Don't error at all if the port is already in the lagg.
54 if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST) {
55 warnx("%s %s: SIOCSLAGGPORT: %s",
56 name, val, strerror(errno));
62 unsetlaggport(const char *val, int d, int s, const struct afswtch *afp)
64 struct lagg_reqport rp;
66 bzero(&rp, sizeof(rp));
67 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
68 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
70 if (ioctl(s, SIOCSLAGGDELPORT, &rp))
71 err(1, "SIOCSLAGGDELPORT");
75 setlaggproto(const char *val, int d, int s, const struct afswtch *afp)
77 struct lagg_protos lpr[] = LAGG_PROTOS;
78 struct lagg_reqall ra;
81 bzero(&ra, sizeof(ra));
82 ra.ra_proto = LAGG_PROTO_MAX;
84 for (i = 0; i < nitems(lpr); i++) {
85 if (strcmp(val, lpr[i].lpr_name) == 0) {
86 ra.ra_proto = lpr[i].lpr_proto;
90 if (ra.ra_proto == LAGG_PROTO_MAX)
91 errx(1, "Invalid aggregation protocol: %s", val);
93 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
94 if (ioctl(s, SIOCSLAGG, &ra) != 0)
99 setlaggflowidshift(const char *val, int d, int s, const struct afswtch *afp)
101 struct lagg_reqopts ro;
103 bzero(&ro, sizeof(ro));
104 ro.ro_opts = LAGG_OPT_FLOWIDSHIFT;
105 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
106 ro.ro_flowid_shift = (int)strtol(val, NULL, 10);
107 if (ro.ro_flowid_shift & ~LAGG_OPT_FLOWIDSHIFT_MASK)
108 errx(1, "Invalid flowid_shift option: %s", val);
110 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
111 err(1, "SIOCSLAGGOPTS");
115 setlaggrr_limit(const char *val, int d, int s, const struct afswtch *afp)
117 struct lagg_reqopts ro;
119 bzero(&ro, sizeof(ro));
120 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
121 ro.ro_opts = LAGG_OPT_RR_LIMIT;
122 ro.ro_bkt = (uint32_t)strtoul(val, NULL, 10);
124 errx(1, "Invalid round-robin stride: %s", val);
126 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
127 err(1, "SIOCSLAGGOPTS");
131 setlaggsetopt(const char *val, int d, int s, const struct afswtch *afp)
133 struct lagg_reqopts ro;
135 bzero(&ro, sizeof(ro));
137 switch (ro.ro_opts) {
138 case LAGG_OPT_USE_FLOWID:
139 case -LAGG_OPT_USE_FLOWID:
140 case LAGG_OPT_LACP_STRICT:
141 case -LAGG_OPT_LACP_STRICT:
142 case LAGG_OPT_LACP_TXTEST:
143 case -LAGG_OPT_LACP_TXTEST:
144 case LAGG_OPT_LACP_RXTEST:
145 case -LAGG_OPT_LACP_RXTEST:
146 case LAGG_OPT_LACP_FAST_TIMO:
147 case -LAGG_OPT_LACP_FAST_TIMO:
150 err(1, "Invalid lagg option");
152 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
154 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
155 err(1, "SIOCSLAGGOPTS");
159 setlagghash(const char *val, int d, int s, const struct afswtch *afp)
161 struct lagg_reqflags rf;
162 char *str, *tmp, *tok;
166 str = tmp = strdup(val);
167 while ((tok = strsep(&tmp, ",")) != NULL) {
168 if (strcmp(tok, "l2") == 0)
169 rf.rf_flags |= LAGG_F_HASHL2;
170 else if (strcmp(tok, "l3") == 0)
171 rf.rf_flags |= LAGG_F_HASHL3;
172 else if (strcmp(tok, "l4") == 0)
173 rf.rf_flags |= LAGG_F_HASHL4;
175 errx(1, "Invalid lagghash option: %s", tok);
178 if (rf.rf_flags == 0)
179 errx(1, "No lagghash options supplied");
181 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
182 if (ioctl(s, SIOCSLAGGHASH, &rf))
183 err(1, "SIOCSLAGGHASH");
187 lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen)
189 snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X",
190 (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3],
191 (int)mac[4], (int)mac[5]);
197 lacp_format_peer(struct lacp_opreq *req, const char *sep)
202 snprintf(lacpbuf, sizeof(lacpbuf),
203 "[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]",
205 lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)),
206 req->actor_key, req->actor_portprio, req->actor_portno, sep,
208 lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)),
209 req->partner_key, req->partner_portprio, req->partner_portno);
217 struct lagg_protos lpr[] = LAGG_PROTOS;
218 struct lagg_reqport rpbuf[LAGG_MAX_PORTS];
219 struct lagg_reqall ra;
220 struct lagg_reqopts ro;
221 struct lagg_reqflags rf;
222 struct lacp_opreq *lp;
223 const char *proto = "<unknown>";
226 bzero(&ra, sizeof(ra));
227 bzero(&ro, sizeof(ro));
229 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
230 ra.ra_size = sizeof(rpbuf);
233 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
234 ioctl(s, SIOCGLAGGOPTS, &ro);
236 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
237 if (ioctl(s, SIOCGLAGGFLAGS, &rf) != 0)
240 if (ioctl(s, SIOCGLAGG, &ra) == 0) {
241 lp = (struct lacp_opreq *)&ra.ra_lacpreq;
243 for (i = 0; i < nitems(lpr); i++) {
244 if (ra.ra_proto == lpr[i].lpr_proto) {
245 proto = lpr[i].lpr_name;
250 printf("\tlaggproto %s", proto);
251 if (rf.rf_flags & LAGG_F_HASHMASK) {
252 const char *sep = "";
254 printf(" lagghash ");
255 if (rf.rf_flags & LAGG_F_HASHL2) {
259 if (rf.rf_flags & LAGG_F_HASHL3) {
263 if (rf.rf_flags & LAGG_F_HASHL4) {
270 printf("\tlagg options:\n");
271 printb("\t\tflags", ro.ro_opts, LAGG_OPT_BITS);
273 printf("\t\tflowid_shift: %d\n", ro.ro_flowid_shift);
274 if (ra.ra_proto == LAGG_PROTO_ROUNDROBIN)
275 printf("\t\trr_limit: %d\n", ro.ro_bkt);
276 printf("\tlagg statistics:\n");
277 printf("\t\tactive ports: %d\n", ro.ro_active);
278 printf("\t\tflapping: %u\n", ro.ro_flapping);
279 if (ra.ra_proto == LAGG_PROTO_LACP) {
280 printf("\tlag id: %s\n",
281 lacp_format_peer(lp, "\n\t\t "));
285 for (i = 0; i < ra.ra_ports; i++) {
286 lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq;
287 printf("\tlaggport: %s ", rpbuf[i].rp_portname);
288 printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS);
289 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
290 printb(" state", lp->actor_state,
293 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
295 lacp_format_peer(lp, "\n\t\t "));
299 printf("\tsupported aggregation protocols:\n");
300 for (i = 0; i < nitems(lpr); i++)
301 printf("\t\tlaggproto %s\n", lpr[i].lpr_name);
307 DECL_CMD_FUNC(setlaggtype, arg, d)
309 static const struct lagg_types lt[] = LAGG_TYPES;
312 for (i = 0; i < nitems(lt); i++) {
313 if (strcmp(arg, lt[i].lt_name) == 0) {
314 params.lagg_type = lt[i].lt_value;
318 errx(1, "invalid lagg type: %s", arg);
322 lagg_create(int s, struct ifreq *ifr)
324 ifr->ifr_data = (caddr_t) ¶ms;
325 ioctl_ifcreate(s, ifr);
328 static struct cmd lagg_cmds[] = {
329 DEF_CLONE_CMD_ARG("laggtype", setlaggtype),
330 DEF_CMD_ARG("laggport", setlaggport),
331 DEF_CMD_ARG("-laggport", unsetlaggport),
332 DEF_CMD_ARG("laggproto", setlaggproto),
333 DEF_CMD_ARG("lagghash", setlagghash),
334 DEF_CMD("use_flowid", LAGG_OPT_USE_FLOWID, setlaggsetopt),
335 DEF_CMD("-use_flowid", -LAGG_OPT_USE_FLOWID, setlaggsetopt),
336 DEF_CMD("lacp_strict", LAGG_OPT_LACP_STRICT, setlaggsetopt),
337 DEF_CMD("-lacp_strict", -LAGG_OPT_LACP_STRICT, setlaggsetopt),
338 DEF_CMD("lacp_txtest", LAGG_OPT_LACP_TXTEST, setlaggsetopt),
339 DEF_CMD("-lacp_txtest", -LAGG_OPT_LACP_TXTEST, setlaggsetopt),
340 DEF_CMD("lacp_rxtest", LAGG_OPT_LACP_RXTEST, setlaggsetopt),
341 DEF_CMD("-lacp_rxtest", -LAGG_OPT_LACP_RXTEST, setlaggsetopt),
342 DEF_CMD("lacp_fast_timeout", LAGG_OPT_LACP_FAST_TIMO, setlaggsetopt),
343 DEF_CMD("-lacp_fast_timeout", -LAGG_OPT_LACP_FAST_TIMO, setlaggsetopt),
344 DEF_CMD_ARG("flowid_shift", setlaggflowidshift),
345 DEF_CMD_ARG("rr_limit", setlaggrr_limit),
347 static struct afswtch af_lagg = {
348 .af_name = "af_lagg",
350 .af_other_status = lagg_status,
353 static __constructor void
358 for (i = 0; i < nitems(lagg_cmds); i++)
359 cmd_register(&lagg_cmds[i]);
360 af_register(&af_lagg);
361 clone_setdefcallback("lagg", lagg_create);