2 * $FreeBSD: head/sbin/ifconfig/iflagg.c 249897 2013-04-25 16:34:04Z glebius $
7 #include <sys/socket.h>
8 #include <sys/sockio.h>
11 #include <net/route.h>
12 #include <net/ethernet.h>
13 #include <net/lagg/if_lagg.h>
26 char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */
29 setlaggport(const char *val, int d, int s, const struct afswtch *afp)
31 struct lagg_reqport rp;
33 bzero(&rp, sizeof(rp));
34 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
35 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
38 * Do not exit with an error here. Doing so permits a failed NIC
39 * to take down an entire lagg.
41 * Don't error at all if the port is already in the lagg.
43 if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST) {
44 warnx("%s %s: SIOCSLAGGPORT: %s",
45 name, val, strerror(errno));
51 unsetlaggport(const char *val, int d, int s, const struct afswtch *afp)
53 struct lagg_reqport rp;
55 bzero(&rp, sizeof(rp));
56 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
57 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname));
59 if (ioctl(s, SIOCSLAGGDELPORT, &rp))
60 err(1, "SIOCSLAGGDELPORT");
64 setlaggproto(const char *val, int d, int s, const struct afswtch *afp)
66 struct lagg_protos lpr[] = LAGG_PROTOS;
67 struct lagg_reqall ra;
70 bzero(&ra, sizeof(ra));
71 ra.ra_proto = LAGG_PROTO_MAX;
73 for (i = 0; i < nitems(lpr); i++) {
74 if (strcmp(val, lpr[i].lpr_name) == 0) {
75 ra.ra_proto = lpr[i].lpr_proto;
79 if (ra.ra_proto == LAGG_PROTO_MAX)
80 errx(1, "Invalid aggregation protocol: %s", val);
82 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
83 if (ioctl(s, SIOCSLAGG, &ra) != 0)
88 setlagghash(const char *val, int d, int s, const struct afswtch *afp)
90 struct lagg_reqflags rf;
91 char *str, *tmp, *tok;
95 str = tmp = strdup(val);
96 while ((tok = strsep(&tmp, ",")) != NULL) {
97 if (strcmp(tok, "l2") == 0)
98 rf.rf_flags |= LAGG_F_HASHL2;
99 else if (strcmp(tok, "l3") == 0)
100 rf.rf_flags |= LAGG_F_HASHL3;
101 else if (strcmp(tok, "l4") == 0)
102 rf.rf_flags |= LAGG_F_HASHL4;
104 errx(1, "Invalid lagghash option: %s", tok);
107 if (rf.rf_flags == 0)
108 errx(1, "No lagghash options supplied");
110 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
111 if (ioctl(s, SIOCSLAGGHASH, &rf))
112 err(1, "SIOCSLAGGHASH");
116 lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen)
118 snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X",
119 (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3],
120 (int)mac[4], (int)mac[5]);
126 lacp_format_peer(struct lacp_opreq *req, const char *sep)
131 snprintf(lacpbuf, sizeof(lacpbuf),
132 "[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]",
134 lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)),
135 req->actor_key, req->actor_portprio, req->actor_portno, sep,
137 lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)),
138 req->partner_key, req->partner_portprio, req->partner_portno);
146 struct lagg_protos lpr[] = LAGG_PROTOS;
147 struct lagg_reqport rp, rpbuf[LAGG_MAX_PORTS];
148 struct lagg_reqall ra;
149 struct lagg_reqflags rf;
150 struct lacp_opreq *lp;
151 const char *proto = "<unknown>";
155 bzero(&rp, sizeof(rp));
156 bzero(&ra, sizeof(ra));
158 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname));
159 strlcpy(rp.rp_portname, name, sizeof(rp.rp_portname));
161 if (ioctl(s, SIOCGLAGGPORT, &rp) == 0)
164 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname));
165 ra.ra_size = sizeof(rpbuf);
168 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname));
169 if (ioctl(s, SIOCGLAGGFLAGS, &rf) != 0)
172 if (ioctl(s, SIOCGLAGG, &ra) == 0) {
173 lp = (struct lacp_opreq *)&ra.ra_lacpreq;
175 for (i = 0; i < nitems(lpr); i++) {
176 if ((int)ra.ra_proto == lpr[i].lpr_proto) {
177 proto = lpr[i].lpr_name;
182 printf("\tlaggproto %s", proto);
183 if (rf.rf_flags & LAGG_F_HASHMASK) {
184 const char *sep = "";
186 printf(" lagghash ");
187 if (rf.rf_flags & LAGG_F_HASHL2) {
191 if (rf.rf_flags & LAGG_F_HASHL3) {
195 if (rf.rf_flags & LAGG_F_HASHL4) {
201 printf(" laggdev %s", rp.rp_ifname);
203 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
204 printf("\tlag id: %s\n",
205 lacp_format_peer(lp, "\n\t\t "));
207 for (i = 0; i < (size_t)ra.ra_ports; i++) {
208 lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq;
209 printf("\tlaggport: %s ", rpbuf[i].rp_portname);
210 printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS);
211 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
212 printf(" state=%X", lp->actor_state);
214 if (verbose && ra.ra_proto == LAGG_PROTO_LACP)
216 lacp_format_peer(lp, "\n\t\t "));
220 printf("\tsupported aggregation protocols:\n");
221 for (i = 0; i < nitems(lpr); i++)
222 printf("\t\tlaggproto %s\n", lpr[i].lpr_name);
227 static struct cmd lagg_cmds[] = {
228 DEF_CMD_ARG("laggport", setlaggport),
229 DEF_CMD_ARG("-laggport", unsetlaggport),
230 DEF_CMD_ARG("laggproto", setlaggproto),
231 DEF_CMD_ARG("lagghash", setlagghash),
233 static struct afswtch af_lagg = {
234 .af_name = "af_lagg",
236 .af_other_status = lagg_status,
239 static __constructor(101) void
244 for (i = 0; i < nitems(lagg_cmds); i++)
245 cmd_register(&lagg_cmds[i]);
246 af_register(&af_lagg);