1 /*- 2 */ 3 4 #ifndef lint 5 static const char rcsid[] = 6 "$FreeBSD$"; 7 #endif /* not lint */ 8 9 #include <sys/param.h> 10 #include <sys/ioctl.h> 11 #include <sys/socket.h> 12 #include <sys/sockio.h> 13 14 #include <stdlib.h> 15 #include <unistd.h> 16 17 #include <net/ethernet.h> 18 #include <net/if.h> 19 #include <net/if_lagg.h> 20 #include <net/ieee8023ad_lacp.h> 21 #include <net/route.h> 22 23 #include <ctype.h> 24 #include <stdio.h> 25 #include <string.h> 26 #include <stdlib.h> 27 #include <unistd.h> 28 #include <err.h> 29 #include <errno.h> 30 31 #include "ifconfig.h" 32 33 char lacpbuf[120]; /* LACP peer '[(a,a,a),(p,p,p)]' */ 34 35 static void 36 setlaggport(const char *val, int d, int s, const struct afswtch *afp) 37 { 38 struct lagg_reqport rp; 39 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)); 43 44 /* Don't choke if the port is already in this lagg. */ 45 if (ioctl(s, SIOCSLAGGPORT, &rp) && errno != EEXIST) 46 err(1, "SIOCSLAGGPORT"); 47 } 48 49 static void 50 unsetlaggport(const char *val, int d, int s, const struct afswtch *afp) 51 { 52 struct lagg_reqport rp; 53 54 bzero(&rp, sizeof(rp)); 55 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname)); 56 strlcpy(rp.rp_portname, val, sizeof(rp.rp_portname)); 57 58 if (ioctl(s, SIOCSLAGGDELPORT, &rp)) 59 err(1, "SIOCSLAGGDELPORT"); 60 } 61 62 static void 63 setlaggproto(const char *val, int d, int s, const struct afswtch *afp) 64 { 65 struct lagg_protos lpr[] = LAGG_PROTOS; 66 struct lagg_reqall ra; 67 int i; 68 69 bzero(&ra, sizeof(ra)); 70 ra.ra_proto = LAGG_PROTO_MAX; 71 72 for (i = 0; i < nitems(lpr); i++) { 73 if (strcmp(val, lpr[i].lpr_name) == 0) { 74 ra.ra_proto = lpr[i].lpr_proto; 75 break; 76 } 77 } 78 if (ra.ra_proto == LAGG_PROTO_MAX) 79 errx(1, "Invalid aggregation protocol: %s", val); 80 81 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname)); 82 if (ioctl(s, SIOCSLAGG, &ra) != 0) 83 err(1, "SIOCSLAGG"); 84 } 85 86 static void 87 setlaggflowidshift(const char *val, int d, int s, const struct afswtch *afp) 88 { 89 struct lagg_reqopts ro; 90 91 bzero(&ro, sizeof(ro)); 92 ro.ro_opts = LAGG_OPT_FLOWIDSHIFT; 93 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname)); 94 ro.ro_flowid_shift = (int)strtol(val, NULL, 10); 95 if (ro.ro_flowid_shift & ~LAGG_OPT_FLOWIDSHIFT_MASK) 96 errx(1, "Invalid flowid_shift option: %s", val); 97 98 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0) 99 err(1, "SIOCSLAGGOPTS"); 100 } 101 102 static void 103 setlaggsetopt(const char *val, int d, int s, const struct afswtch *afp) 104 { 105 struct lagg_reqopts ro; 106 107 bzero(&ro, sizeof(ro)); 108 ro.ro_opts = d; 109 switch (ro.ro_opts) { 110 case LAGG_OPT_USE_FLOWID: 111 case -LAGG_OPT_USE_FLOWID: 112 case LAGG_OPT_LACP_STRICT: 113 case -LAGG_OPT_LACP_STRICT: 114 case LAGG_OPT_LACP_TXTEST: 115 case -LAGG_OPT_LACP_TXTEST: 116 case LAGG_OPT_LACP_RXTEST: 117 case -LAGG_OPT_LACP_RXTEST: 118 break; 119 default: 120 err(1, "Invalid lagg option"); 121 } 122 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname)); 123 124 if (ioctl(s, SIOCSLAGGOPTS, &ro) != 0) 125 err(1, "SIOCSLAGGOPTS"); 126 } 127 128 static void 129 setlagghash(const char *val, int d, int s, const struct afswtch *afp) 130 { 131 struct lagg_reqflags rf; 132 char *str, *tmp, *tok; 133 134 135 rf.rf_flags = 0; 136 str = tmp = strdup(val); 137 while ((tok = strsep(&tmp, ",")) != NULL) { 138 if (strcmp(tok, "l2") == 0) 139 rf.rf_flags |= LAGG_F_HASHL2; 140 else if (strcmp(tok, "l3") == 0) 141 rf.rf_flags |= LAGG_F_HASHL3; 142 else if (strcmp(tok, "l4") == 0) 143 rf.rf_flags |= LAGG_F_HASHL4; 144 else 145 errx(1, "Invalid lagghash option: %s", tok); 146 } 147 free(str); 148 if (rf.rf_flags == 0) 149 errx(1, "No lagghash options supplied"); 150 151 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname)); 152 if (ioctl(s, SIOCSLAGGHASH, &rf)) 153 err(1, "SIOCSLAGGHASH"); 154 } 155 156 static char * 157 lacp_format_mac(const uint8_t *mac, char *buf, size_t buflen) 158 { 159 snprintf(buf, buflen, "%02X-%02X-%02X-%02X-%02X-%02X", 160 (int)mac[0], (int)mac[1], (int)mac[2], (int)mac[3], 161 (int)mac[4], (int)mac[5]); 162 163 return (buf); 164 } 165 166 static char * 167 lacp_format_peer(struct lacp_opreq *req, const char *sep) 168 { 169 char macbuf1[20]; 170 char macbuf2[20]; 171 172 snprintf(lacpbuf, sizeof(lacpbuf), 173 "[(%04X,%s,%04X,%04X,%04X),%s(%04X,%s,%04X,%04X,%04X)]", 174 req->actor_prio, 175 lacp_format_mac(req->actor_mac, macbuf1, sizeof(macbuf1)), 176 req->actor_key, req->actor_portprio, req->actor_portno, sep, 177 req->partner_prio, 178 lacp_format_mac(req->partner_mac, macbuf2, sizeof(macbuf2)), 179 req->partner_key, req->partner_portprio, req->partner_portno); 180 181 return(lacpbuf); 182 } 183 184 static void 185 lagg_status(int s) 186 { 187 struct lagg_protos lpr[] = LAGG_PROTOS; 188 struct lagg_reqport rp, rpbuf[LAGG_MAX_PORTS]; 189 struct lagg_reqall ra; 190 struct lagg_reqopts ro; 191 struct lagg_reqflags rf; 192 struct lacp_opreq *lp; 193 const char *proto = "<unknown>"; 194 int i, isport = 0; 195 196 bzero(&rp, sizeof(rp)); 197 bzero(&ra, sizeof(ra)); 198 bzero(&ro, sizeof(ro)); 199 200 strlcpy(rp.rp_ifname, name, sizeof(rp.rp_ifname)); 201 strlcpy(rp.rp_portname, name, sizeof(rp.rp_portname)); 202 203 if (ioctl(s, SIOCGLAGGPORT, &rp) == 0) 204 isport = 1; 205 206 strlcpy(ra.ra_ifname, name, sizeof(ra.ra_ifname)); 207 ra.ra_size = sizeof(rpbuf); 208 ra.ra_port = rpbuf; 209 210 strlcpy(ro.ro_ifname, name, sizeof(ro.ro_ifname)); 211 ioctl(s, SIOCGLAGGOPTS, &ro); 212 213 strlcpy(rf.rf_ifname, name, sizeof(rf.rf_ifname)); 214 if (ioctl(s, SIOCGLAGGFLAGS, &rf) != 0) 215 rf.rf_flags = 0; 216 217 if (ioctl(s, SIOCGLAGG, &ra) == 0) { 218 lp = (struct lacp_opreq *)&ra.ra_lacpreq; 219 220 for (i = 0; i < nitems(lpr); i++) { 221 if (ra.ra_proto == lpr[i].lpr_proto) { 222 proto = lpr[i].lpr_name; 223 break; 224 } 225 } 226 227 printf("\tlaggproto %s", proto); 228 if (rf.rf_flags & LAGG_F_HASHMASK) { 229 const char *sep = ""; 230 231 printf(" lagghash "); 232 if (rf.rf_flags & LAGG_F_HASHL2) { 233 printf("%sl2", sep); 234 sep = ","; 235 } 236 if (rf.rf_flags & LAGG_F_HASHL3) { 237 printf("%sl3", sep); 238 sep = ","; 239 } 240 if (rf.rf_flags & LAGG_F_HASHL4) { 241 printf("%sl4", sep); 242 sep = ","; 243 } 244 } 245 if (isport) 246 printf(" laggdev %s", rp.rp_ifname); 247 putchar('\n'); 248 if (verbose) { 249 printf("\tlagg options:\n"); 250 printb("\t\tflags", ro.ro_opts, LAGG_OPT_BITS); 251 putchar('\n'); 252 printf("\t\tflowid_shift: %d\n", ro.ro_flowid_shift); 253 printf("\tlagg statistics:\n"); 254 printf("\t\tactive ports: %d\n", ro.ro_active); 255 printf("\t\tflapping: %u\n", ro.ro_flapping); 256 if (ra.ra_proto == LAGG_PROTO_LACP) { 257 printf("\tlag id: %s\n", 258 lacp_format_peer(lp, "\n\t\t ")); 259 } 260 } 261 262 for (i = 0; i < ra.ra_ports; i++) { 263 lp = (struct lacp_opreq *)&rpbuf[i].rp_lacpreq; 264 printf("\tlaggport: %s ", rpbuf[i].rp_portname); 265 printb("flags", rpbuf[i].rp_flags, LAGG_PORT_BITS); 266 if (verbose && ra.ra_proto == LAGG_PROTO_LACP) 267 printb(" state", lp->actor_state, 268 LACP_STATE_BITS); 269 putchar('\n'); 270 if (verbose && ra.ra_proto == LAGG_PROTO_LACP) 271 printf("\t\t%s\n", 272 lacp_format_peer(lp, "\n\t\t ")); 273 } 274 275 if (0 /* XXX */) { 276 printf("\tsupported aggregation protocols:\n"); 277 for (i = 0; i < (sizeof(lpr) / sizeof(lpr[0])); i++) 278 printf("\t\tlaggproto %s\n", lpr[i].lpr_name); 279 } 280 } 281 } 282 283 static struct cmd lagg_cmds[] = { 284 DEF_CMD_ARG("laggport", setlaggport), 285 DEF_CMD_ARG("-laggport", unsetlaggport), 286 DEF_CMD_ARG("laggproto", setlaggproto), 287 DEF_CMD_ARG("lagghash", setlagghash), 288 DEF_CMD("use_flowid", LAGG_OPT_USE_FLOWID, setlaggsetopt), 289 DEF_CMD("-use_flowid", -LAGG_OPT_USE_FLOWID, setlaggsetopt), 290 DEF_CMD("lacp_strict", LAGG_OPT_LACP_STRICT, setlaggsetopt), 291 DEF_CMD("-lacp_strict", -LAGG_OPT_LACP_STRICT, setlaggsetopt), 292 DEF_CMD("lacp_txtest", LAGG_OPT_LACP_TXTEST, setlaggsetopt), 293 DEF_CMD("-lacp_txtest", -LAGG_OPT_LACP_TXTEST, setlaggsetopt), 294 DEF_CMD("lacp_rxtest", LAGG_OPT_LACP_RXTEST, setlaggsetopt), 295 DEF_CMD("-lacp_rxtest", -LAGG_OPT_LACP_RXTEST, setlaggsetopt), 296 DEF_CMD_ARG("flowid_shift", setlaggflowidshift), 297 }; 298 static struct afswtch af_lagg = { 299 .af_name = "af_lagg", 300 .af_af = AF_UNSPEC, 301 .af_other_status = lagg_status, 302 }; 303 304 static __constructor void 305 lagg_ctor(void) 306 { 307 #define N(a) (sizeof(a) / sizeof(a[0])) 308 int i; 309 310 for (i = 0; i < N(lagg_cmds); i++) 311 cmd_register(&lagg_cmds[i]); 312 af_register(&af_lagg); 313 #undef N 314 } 315