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 char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */
36 setlaggport(const char *val, int d, int s, const struct afswtch *afp)
38 struct lagg_reqport rp;
40 bzero(&rp, sizeof(rp));
41 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
42 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
45 * Do not exit with an error here. Doing so permits a
46 * failed NIC to take down an entire lagg.
48 * Don't error at all if the port is already in the lagg.
50 if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST) {
51 warnx("%s %s: SIOCSLAGGPORT: %s",
52 name, val, strerror(errno));
58 unsetlaggport(const char *val, int d, int s, const struct afswtch *afp)
60 struct lagg_reqport rp;
62 bzero(&rp, sizeof(rp));
63 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
64 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
66 if (ioctl(s, SIOCSLAGGDELPORT, &rp))
67 err(1, "SIOCSLAGGDELPORT");
71 setlaggproto(const char *val, int d, int s, const struct afswtch *afp)
73 struct lagg_protos lpr[] = LAGG_PROTOS;
74 struct lagg_reqall ra;
77 bzero(&ra, sizeof(ra));
78 ra.ra_proto = LAGG_PROTO_MAX;
80 for (i = 0; i < nitems(lpr); i++) {
81 if (strcmp(val, lpr[i].lpr_name) == 0) {
82 ra.ra_proto = lpr[i].lpr_proto;
86 if (ra.ra_proto == LAGG_PROTO_MAX)
87 errx(1, "Invalid aggregation protocol: %s", val);
89 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
90 if (ioctl(s, SIOCSLAGG, &ra) != 0)
95 setlaggflowidshift(const char *val, int d, int s, const struct afswtch *afp)
97 struct lagg_reqopts ro;
99 bzero(&ro, sizeof(ro));
100 ro.ro_opts = LAGG_OPT_FLOWIDSHIFT;
101 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
102 ro.ro_flowid_shift = (int)strtol(val, NULL, 10);
103 if (ro.ro_flowid_shift & ~LAGG_OPT_FLOWIDSHIFT_MASK)
104 errx(1, "Invalid flowid_shift option: %s", val);
106 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
107 err(1, "SIOCSLAGGOPTS");
111 setlaggrr_limit(const char *val, int d, int s, const struct afswtch *afp)
113 struct lagg_reqopts ro;
115 bzero(&ro, sizeof(ro));
116 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
117 ro.ro_bkt = (int)strtol(val, NULL, 10);
119 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
124 setlaggsetopt(const char *val, int d, int s, const struct afswtch *afp)
126 struct lagg_reqopts ro;
128 bzero(&ro, sizeof(ro));
130 switch (ro.ro_opts) {
131 case LAGG_OPT_USE_FLOWID:
132 case -LAGG_OPT_USE_FLOWID:
133 case LAGG_OPT_LACP_STRICT:
134 case -LAGG_OPT_LACP_STRICT:
135 case LAGG_OPT_LACP_TXTEST:
136 case -LAGG_OPT_LACP_TXTEST:
137 case LAGG_OPT_LACP_RXTEST:
138 case -LAGG_OPT_LACP_RXTEST:
139 case LAGG_OPT_LACP_TIMEOUT:
140 case -LAGG_OPT_LACP_TIMEOUT:
143 err(1, "Invalid lagg option");
145 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
147 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0)
148 err(1, "SIOCSLAGGOPTS");
152 setlagghash(const char *val, int d, int s, const struct afswtch *afp)
154 struct lagg_reqflags rf;
155 char *str, *tmp, *tok;
159 str = tmp = strdup(val);
160 while ((tok = strsep(&tmp, ",")) != NULL) {
161 if (strcmp(tok, "l2") == 0)
162 rf.rf_flags |= LAGG_F_HASHL2;
163 else if (strcmp(tok, "l3") == 0)
164 rf.rf_flags |= LAGG_F_HASHL3;
165 else if (strcmp(tok, "l4") == 0)
166 rf.rf_flags |= LAGG_F_HASHL4;
168 errx(1, "Invalid lagghash option: %s", tok);
171 if (rf.rf_flags == 0)
172 errx(1, "No lagghash options supplied");
174 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
175 if (ioctl(s, SIOCSLAGGHASH, &rf))
176 err(1, "SIOCSLAGGHASH");
180 lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen)
182 snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X",
183 (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3],
184 (int)mac[4], (int)mac[5]);
190 lacp_format_peer(struct lacp_opreq *req, const char *sep)
195 snprintf(lacpbuf, sizeof(lacpbuf),
196 "[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]",
198 lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)),
199 req->actor_key, req->actor_portprio, req->actor_portno, sep,
201 lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)),
202 req->partner_key, req->partner_portprio, req->partner_portno);
210 struct lagg_protos lpr[] = LAGG_PROTOS;
211 struct lagg_reqport rpbuf[LAGG_MAX_PORTS];
212 struct lagg_reqall ra;
213 struct lagg_reqopts ro;
214 struct lagg_reqflags rf;
215 struct lacp_opreq *lp;
216 const char *proto = "<unknown>";
219 bzero(&ra, sizeof(ra));
220 bzero(&ro, sizeof(ro));
222 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
223 ra.ra_size = sizeof(rpbuf);
226 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname));
227 ioctl(s, SIOCGLAGGOPTS, &ro);
229 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
230 if (ioctl(s, SIOCGLAGGFLAGS, &rf) != 0)
233 if (ioctl(s, SIOCGLAGG, &ra) == 0) {
234 lp = (struct lacp_opreq *)&ra.ra_lacpreq;
236 for (i = 0; i < nitems(lpr); i++) {
237 if (ra.ra_proto == lpr[i].lpr_proto) {
238 proto = lpr[i].lpr_name;
243 printf("\tlaggproto %s", proto);
244 if (rf.rf_flags & LAGG_F_HASHMASK) {
245 const char *sep = "";
247 printf(" lagghash ");
248 if (rf.rf_flags & LAGG_F_HASHL2) {
252 if (rf.rf_flags & LAGG_F_HASHL3) {
256 if (rf.rf_flags & LAGG_F_HASHL4) {
263 printf("\tlagg options:\n");
264 printb("\t\tflags", ro.ro_opts, LAGG_OPT_BITS);
266 printf("\t\tflowid_shift: %d\n", ro.ro_flowid_shift);
267 if (ra.ra_proto == LAGG_PROTO_ROUNDROBIN)
268 printf("\t\trr_limit: %d\n", ro.ro_bkt);
269 printf("\tlagg statistics:\n");
270 printf("\t\tactive ports: %d\n", ro.ro_active);
271 printf("\t\tflapping: %u\n", ro.ro_flapping);
272 if (ra.ra_proto == LAGG_PROTO_LACP) {
273 printf("\tlag id: %s\n",
274 lacp_format_peer(lp, "\n\t\t "));
278 for (i = 0; i < ra.ra_ports; i++) {
279 lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq;
280 printf("\tlaggport: %s ", rpbuf[i].rp_portname);
281 printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS);
282 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
283 printb(" state", lp->actor_state,
286 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
288 lacp_format_peer(lp, "\n\t\t "));
292 printf("\tsupported aggregation protocols:\n");
293 for (i = 0; i < nitems(lpr); i++)
294 printf("\t\tlaggproto %s\n", lpr[i].lpr_name);
299 static struct cmd lagg_cmds[] = {
300 DEF_CMD_ARG("laggport", setlaggport),
301 DEF_CMD_ARG("-laggport", unsetlaggport),
302 DEF_CMD_ARG("laggproto", setlaggproto),
303 DEF_CMD_ARG("lagghash", setlagghash),
304 DEF_CMD("use_flowid", LAGG_OPT_USE_FLOWID, setlaggsetopt),
305 DEF_CMD("-use_flowid", -LAGG_OPT_USE_FLOWID, setlaggsetopt),
306 DEF_CMD("lacp_strict", LAGG_OPT_LACP_STRICT, setlaggsetopt),
307 DEF_CMD("-lacp_strict", -LAGG_OPT_LACP_STRICT, setlaggsetopt),
308 DEF_CMD("lacp_txtest", LAGG_OPT_LACP_TXTEST, setlaggsetopt),
309 DEF_CMD("-lacp_txtest", -LAGG_OPT_LACP_TXTEST, setlaggsetopt),
310 DEF_CMD("lacp_rxtest", LAGG_OPT_LACP_RXTEST, setlaggsetopt),
311 DEF_CMD("-lacp_rxtest", -LAGG_OPT_LACP_RXTEST, setlaggsetopt),
312 DEF_CMD("lacp_fast_timeout", LAGG_OPT_LACP_TIMEOUT, setlaggsetopt),
313 DEF_CMD("-lacp_fast_timeout", -LAGG_OPT_LACP_TIMEOUT, setlaggsetopt),
314 DEF_CMD_ARG("flowid_shift", setlaggflowidshift),
315 DEF_CMD_ARG("rr_limit", setlaggrr_limit),
317 static struct afswtch af_lagg = {
318 .af_name = "af_lagg",
320 .af_other_status = lagg_status,
323 static __constructor void
328 for (i = 0; i < nitems(lagg_cmds); i++)
329 cmd_register(&lagg_cmds[i]);
330 af_register(&af_lagg);