if_cnmac.c revision 1.1
1 /* $NetBSD: if_cnmac.c,v 1.1 2015/04/29 08:32:01 hikaru Exp $ */ 2 3 #include <sys/cdefs.h> 4 #if 0 5 __KERNEL_RCSID(0, "$NetBSD: if_cnmac.c,v 1.1 2015/04/29 08:32:01 hikaru Exp $"); 6 #endif 7 8 #include "opt_octeon.h" 9 10 #ifdef OCTEON_ETH_DEBUG 11 12 #ifndef DIAGNOSTIC 13 #define DIAGNOSTIC 14 #endif 15 16 #ifndef DEBUG 17 #define DEBUG 18 #endif 19 20 #endif 21 22 /* 23 * If no free send buffer is available, free all the sent buffer and bail out. 24 */ 25 #define OCTEON_ETH_SEND_QUEUE_CHECK 26 27 /* XXX XXX XXX XXX XXX XXX */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/pool.h> 32 #include <sys/mbuf.h> 33 #include <sys/malloc.h> 34 #include <sys/kernel.h> 35 #include <sys/socket.h> 36 #include <sys/ioctl.h> 37 #include <sys/errno.h> 38 #include <sys/device.h> 39 #include <sys/queue.h> 40 #include <sys/conf.h> 41 #include <sys/sysctl.h> 42 #include <sys/syslog.h> 43 44 #include <net/if.h> 45 #include <net/if_dl.h> 46 #include <net/if_media.h> 47 #include <net/if_ether.h> 48 #include <net/route.h> 49 50 #include <net/bpf.h> 51 52 #include <netinet/in.h> 53 #include <netinet/in_systm.h> 54 #include <netinet/in_var.h> 55 #include <netinet/ip.h> 56 57 #include <sys/bus.h> 58 #include <machine/intr.h> 59 #include <machine/endian.h> 60 #include <machine/locore.h> 61 62 #include <dev/mii/mii.h> 63 #include <dev/mii/miivar.h> 64 65 #include <mips/cpuregs.h> 66 67 #include <mips/cavium/dev/octeon_asxreg.h> 68 #include <mips/cavium/dev/octeon_ciureg.h> 69 #include <mips/cavium/dev/octeon_npireg.h> 70 #include <mips/cavium/dev/octeon_gmxreg.h> 71 #include <mips/cavium/dev/octeon_ipdreg.h> 72 #include <mips/cavium/dev/octeon_pipreg.h> 73 #include <mips/cavium/dev/octeon_powreg.h> 74 #include <mips/cavium/dev/octeon_faureg.h> 75 #include <mips/cavium/dev/octeon_fpareg.h> 76 #include <mips/cavium/dev/octeon_bootbusreg.h> 77 #include <mips/cavium/include/iobusvar.h> 78 #include <mips/cavium/octeonvar.h> 79 #include <mips/cavium/dev/octeon_fpavar.h> 80 #include <mips/cavium/dev/octeon_gmxvar.h> 81 #include <mips/cavium/dev/octeon_fauvar.h> 82 #include <mips/cavium/dev/octeon_powvar.h> 83 #include <mips/cavium/dev/octeon_ipdvar.h> 84 #include <mips/cavium/dev/octeon_pipvar.h> 85 #include <mips/cavium/dev/octeon_pkovar.h> 86 #include <mips/cavium/dev/octeon_asxvar.h> 87 #include <mips/cavium/dev/octeon_smivar.h> 88 #include <mips/cavium/dev/if_cnmacvar.h> 89 90 #ifdef OCTEON_ETH_DEBUG 91 #define OCTEON_ETH_KASSERT(x) KASSERT(x) 92 #define OCTEON_ETH_KDASSERT(x) KDASSERT(x) 93 #else 94 #define OCTEON_ETH_KASSERT(x) 95 #define OCTEON_ETH_KDASSERT(x) 96 #endif 97 98 /* 99 * Set the PKO to think command buffers are an odd length. This makes it so we 100 * never have to divide a comamnd across two buffers. 101 */ 102 #define OCTEON_POOL_NWORDS_CMD \ 103 (((uint32_t)OCTEON_POOL_SIZE_CMD / sizeof(uint64_t)) - 1) 104 #define FPA_COMMAND_BUFFER_POOL_NWORDS OCTEON_POOL_NWORDS_CMD /* XXX */ 105 106 static void octeon_eth_buf_init(struct octeon_eth_softc *); 107 108 static int octeon_eth_match(device_t, struct cfdata *, void *); 109 static void octeon_eth_attach(device_t, device_t, void *); 110 static void octeon_eth_pip_init(struct octeon_eth_softc *); 111 static void octeon_eth_ipd_init(struct octeon_eth_softc *); 112 static void octeon_eth_pko_init(struct octeon_eth_softc *); 113 static void octeon_eth_asx_init(struct octeon_eth_softc *); 114 static void octeon_eth_smi_init(struct octeon_eth_softc *); 115 116 static void octeon_eth_board_mac_addr(uint8_t *, size_t, struct octeon_eth_softc *); 117 118 static int octeon_eth_mii_readreg(device_t, int, int); 119 static void octeon_eth_mii_writereg(device_t, int, int, int); 120 static void octeon_eth_mii_statchg(struct ifnet *); 121 122 static int octeon_eth_mediainit(struct octeon_eth_softc *); 123 static void octeon_eth_mediastatus(struct ifnet *, struct ifmediareq *); 124 static int octeon_eth_mediachange(struct ifnet *); 125 126 static inline void octeon_eth_send_queue_flush_prefetch(struct octeon_eth_softc *); 127 static inline void octeon_eth_send_queue_flush_fetch(struct octeon_eth_softc *); 128 static inline void octeon_eth_send_queue_flush(struct octeon_eth_softc *); 129 static inline void octeon_eth_send_queue_flush_sync(struct octeon_eth_softc *); 130 static inline int octeon_eth_send_queue_is_full(struct octeon_eth_softc *); 131 static inline void octeon_eth_send_queue_add(struct octeon_eth_softc *, 132 struct mbuf *, uint64_t *); 133 static inline void octeon_eth_send_queue_del(struct octeon_eth_softc *, 134 struct mbuf **, uint64_t **); 135 static inline int octeon_eth_buf_free_work(struct octeon_eth_softc *, 136 uint64_t *, uint64_t); 137 static inline void octeon_eth_buf_ext_free_m(struct mbuf *, void *, size_t, void *); 138 static inline void octeon_eth_buf_ext_free_ext(struct mbuf *, void *, size_t, void *); 139 140 static int octeon_eth_ioctl(struct ifnet *, u_long, void *); 141 static void octeon_eth_watchdog(struct ifnet *); 142 static int octeon_eth_init(struct ifnet *); 143 static void octeon_eth_stop(struct ifnet *, int); 144 static void octeon_eth_start(struct ifnet *); 145 146 static inline int octeon_eth_send_cmd(struct octeon_eth_softc *, uint64_t, 147 uint64_t); 148 static inline uint64_t octeon_eth_send_makecmd_w1(int, paddr_t); 149 static inline uint64_t octeon_eth_send_makecmd_w0(uint64_t, uint64_t, size_t, 150 int); 151 static inline int octeon_eth_send_makecmd_gbuf(struct octeon_eth_softc *, 152 struct mbuf *, uint64_t *, int *); 153 static inline int octeon_eth_send_makecmd(struct octeon_eth_softc *, 154 struct mbuf *, uint64_t *, uint64_t *, uint64_t *); 155 static inline int octeon_eth_send_buf(struct octeon_eth_softc *, 156 struct mbuf *, uint64_t *); 157 static inline int octeon_eth_send(struct octeon_eth_softc *, 158 struct mbuf *); 159 160 static int octeon_eth_reset(struct octeon_eth_softc *); 161 static int octeon_eth_configure(struct octeon_eth_softc *); 162 static int octeon_eth_configure_common(struct octeon_eth_softc *); 163 164 static void octeon_eth_tick_free(void *arg); 165 static void octeon_eth_tick_misc(void *); 166 167 static inline int octeon_eth_recv_mbuf(struct octeon_eth_softc *, 168 uint64_t *, struct mbuf **); 169 static inline int octeon_eth_recv_check_code(struct octeon_eth_softc *, 170 uint64_t); 171 static inline int octeon_eth_recv_check_jumbo(struct octeon_eth_softc *, 172 uint64_t); 173 static inline int octeon_eth_recv_check_link(struct octeon_eth_softc *, 174 uint64_t); 175 static inline int octeon_eth_recv_check(struct octeon_eth_softc *, 176 uint64_t); 177 static inline int octeon_eth_recv(struct octeon_eth_softc *, uint64_t *); 178 static void octeon_eth_recv_redir(struct ifnet *, struct mbuf *); 179 static inline void octeon_eth_recv_intr(void *, uint64_t *); 180 181 /* device driver context */ 182 static struct octeon_eth_softc *octeon_eth_gsc[GMX_PORT_NUNITS]; 183 static void *octeon_eth_pow_recv_ih; 184 185 /* sysctl'able parameters */ 186 int octeon_eth_param_pko_cmd_w0_n2 = 1; 187 int octeon_eth_param_pip_dyn_rs = 1; 188 int octeon_eth_param_redir = 0; 189 int octeon_eth_param_pktbuf = 0; 190 int octeon_eth_param_rate = 0; 191 int octeon_eth_param_intr = 0; 192 193 CFATTACH_DECL_NEW(cnmac, sizeof(struct octeon_eth_softc), 194 octeon_eth_match, octeon_eth_attach, NULL, NULL); 195 196 #ifdef OCTEON_ETH_DEBUG 197 198 static const struct octeon_evcnt_entry octeon_evcnt_entries[] = { 199 #define _ENTRY(name, type, parent, descr) \ 200 OCTEON_EVCNT_ENTRY(struct octeon_eth_softc, name, type, parent, descr) 201 _ENTRY(rx, MISC, NULL, "rx"), 202 _ENTRY(rxint, INTR, NULL, "rx intr"), 203 _ENTRY(rxrs, MISC, NULL, "rx dynamic short"), 204 _ENTRY(rxbufpkalloc, MISC, NULL, "rx buf pkt alloc"), 205 _ENTRY(rxbufpkput, MISC, NULL, "rx buf pkt put"), 206 _ENTRY(rxbufwqalloc, MISC, NULL, "rx buf wqe alloc"), 207 _ENTRY(rxbufwqput, MISC, NULL, "rx buf wqe put"), 208 _ENTRY(rxerrcode, MISC, NULL, "rx code error"), 209 _ENTRY(rxerrfix, MISC, NULL, "rx fixup error"), 210 _ENTRY(rxerrjmb, MISC, NULL, "rx jmb error"), 211 _ENTRY(rxerrlink, MISC, NULL, "rx link error"), 212 _ENTRY(rxerroff, MISC, NULL, "rx offload error"), 213 _ENTRY(rxonperrshort, MISC, NULL, "rx onp fixup short error"), 214 _ENTRY(rxonperrpreamble, MISC, NULL, "rx onp fixup preamble error"), 215 _ENTRY(rxonperrcrc, MISC, NULL, "rx onp fixup crc error"), 216 _ENTRY(rxonperraddress, MISC, NULL, "rx onp fixup address error"), 217 _ENTRY(rxonponp, MISC, NULL, "rx onp fixup onp packets"), 218 _ENTRY(rxonpok, MISC, NULL, "rx onp fixup success packets"), 219 _ENTRY(tx, MISC, NULL, "tx"), 220 _ENTRY(txadd, MISC, NULL, "tx add"), 221 _ENTRY(txbufcballoc, MISC, NULL, "tx buf cb alloc"), 222 _ENTRY(txbufcbget, MISC, NULL, "tx buf cb get"), 223 _ENTRY(txbufgballoc, MISC, NULL, "tx buf gb alloc"), 224 _ENTRY(txbufgbget, MISC, NULL, "tx buf gb get"), 225 _ENTRY(txbufgbput, MISC, NULL, "tx buf gb put"), 226 _ENTRY(txdel, MISC, NULL, "tx del"), 227 _ENTRY(txerr, MISC, NULL, "tx error"), 228 _ENTRY(txerrcmd, MISC, NULL, "tx cmd error"), 229 _ENTRY(txerrgbuf, MISC, NULL, "tx gbuf error"), 230 _ENTRY(txerrlink, MISC, NULL, "tx link error"), 231 _ENTRY(txerrmkcmd, MISC, NULL, "tx makecmd error"), 232 #undef _ENTRY 233 }; 234 #endif 235 236 /* ---- buffer management */ 237 238 static const struct octeon_eth_pool_param { 239 int poolno; 240 size_t size; 241 size_t nelems; 242 } octeon_eth_pool_params[] = { 243 #define _ENTRY(x) { OCTEON_POOL_NO_##x, OCTEON_POOL_SIZE_##x, OCTEON_POOL_NELEMS_##x } 244 _ENTRY(PKT), 245 _ENTRY(WQE), 246 _ENTRY(CMD), 247 _ENTRY(SG) 248 #undef _ENTRY 249 }; 250 struct octeon_fpa_buf *octeon_eth_pools[8/* XXX */]; 251 #define octeon_eth_fb_pkt octeon_eth_pools[OCTEON_POOL_NO_PKT] 252 #define octeon_eth_fb_wqe octeon_eth_pools[OCTEON_POOL_NO_WQE] 253 #define octeon_eth_fb_cmd octeon_eth_pools[OCTEON_POOL_NO_CMD] 254 #define octeon_eth_fb_sg octeon_eth_pools[OCTEON_POOL_NO_SG] 255 256 static void 257 octeon_eth_buf_init(struct octeon_eth_softc *sc) 258 { 259 static int once; 260 int i; 261 const struct octeon_eth_pool_param *pp; 262 struct octeon_fpa_buf *fb; 263 264 if (once == 1) 265 return; 266 once = 1; 267 268 for (i = 0; i < (int)__arraycount(octeon_eth_pool_params); i++) { 269 pp = &octeon_eth_pool_params[i]; 270 octeon_fpa_buf_init(pp->poolno, pp->size, pp->nelems, &fb); 271 octeon_eth_pools[i] = fb; 272 } 273 } 274 275 /* ---- autoconf */ 276 277 static int 278 octeon_eth_match(device_t parent, struct cfdata *match, void *aux) 279 { 280 struct octeon_gmx_attach_args *ga = aux; 281 282 if (strcmp(match->cf_name, ga->ga_name) != 0) { 283 return 0; 284 } 285 return 1; 286 } 287 288 static void 289 octeon_eth_attach(device_t parent, device_t self, void *aux) 290 { 291 struct octeon_eth_softc *sc = device_private(self); 292 struct octeon_gmx_attach_args *ga = aux; 293 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 294 uint8_t enaddr[ETHER_ADDR_LEN]; 295 296 sc->sc_dev = self; 297 sc->sc_regt = ga->ga_regt; 298 sc->sc_port = ga->ga_portno; 299 sc->sc_port_type = ga->ga_port_type; 300 sc->sc_gmx = ga->ga_gmx; 301 sc->sc_gmx_port = ga->ga_gmx_port; 302 303 sc->sc_init_flag = 0; 304 /* 305 * XXXUEBAYASI 306 * Setting PIP_IP_OFFSET[OFFSET] to 8 causes panic ... why??? 307 */ 308 sc->sc_ip_offset = 0/* XXX */; 309 310 if (MIPS_PRID_IMPL(mips_options.mips_cpu_id) <= MIPS_CN30XX) { 311 SET(sc->sc_quirks, OCTEON_ETH_QUIRKS_NO_PRE_ALIGN); 312 SET(sc->sc_quirks, OCTEON_ETH_QUIRKS_NO_RX_INBND); 313 } 314 315 octeon_eth_board_mac_addr(enaddr, sizeof(enaddr), sc); 316 printf("%s: Ethernet address %s\n", device_xname(sc->sc_dev), 317 ether_sprintf(enaddr)); 318 319 octeon_eth_gsc[sc->sc_port] = sc; 320 321 SIMPLEQ_INIT(&sc->sc_sendq); 322 sc->sc_soft_req_thresh = 15/* XXX */; 323 sc->sc_ext_callback_cnt = 0; 324 325 octeon_gmx_stats_init(sc->sc_gmx_port); 326 327 callout_init(&sc->sc_tick_misc_ch, 0); 328 callout_init(&sc->sc_tick_free_ch, 0); 329 330 octeon_fau_op_init(&sc->sc_fau_done, 331 OCTEON_CVMSEG_ETHER_OFFSET(sc->sc_port, csm_ether_fau_done), 332 OCT_FAU_REG_ADDR_END - (8 * (sc->sc_port + 1))/* XXX */); 333 octeon_fau_op_set_8(&sc->sc_fau_done, 0); 334 335 octeon_eth_pip_init(sc); 336 octeon_eth_ipd_init(sc); 337 octeon_eth_pko_init(sc); 338 octeon_eth_asx_init(sc); 339 octeon_eth_smi_init(sc); 340 341 sc->sc_gmx_port->sc_ipd = sc->sc_ipd; 342 sc->sc_gmx_port->sc_port_asx = sc->sc_asx; 343 sc->sc_gmx_port->sc_port_mii = &sc->sc_mii; 344 sc->sc_gmx_port->sc_port_ec = &sc->sc_ethercom; 345 /* XXX */ 346 sc->sc_gmx_port->sc_quirks = sc->sc_quirks; 347 348 /* XXX */ 349 sc->sc_pow = &octeon_pow_softc; 350 351 octeon_eth_mediainit(sc); 352 353 strncpy(ifp->if_xname, device_xname(sc->sc_dev), sizeof(ifp->if_xname)); 354 ifp->if_softc = sc; 355 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 356 ifp->if_ioctl = octeon_eth_ioctl; 357 ifp->if_start = octeon_eth_start; 358 ifp->if_watchdog = octeon_eth_watchdog; 359 ifp->if_init = octeon_eth_init; 360 ifp->if_stop = octeon_eth_stop; 361 IFQ_SET_MAXLEN(&ifp->if_snd, max(GATHER_QUEUE_SIZE, IFQ_MAXLEN)); 362 IFQ_SET_READY(&ifp->if_snd); 363 364 /* XXX: not yet tx checksum */ 365 ifp->if_capabilities = 366 IFCAP_CSUM_IPv4_Rx | IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_UDPv4_Rx | 367 IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_UDPv6_Rx; 368 369 octeon_gmx_set_mac_addr(sc->sc_gmx_port, enaddr); 370 octeon_gmx_set_filter(sc->sc_gmx_port); 371 372 if_attach(ifp); 373 ether_ifattach(ifp, enaddr); 374 375 /* XXX */ 376 sc->sc_rate_recv_check_link_cap.tv_sec = 1; 377 sc->sc_rate_recv_check_jumbo_cap.tv_sec = 1; 378 sc->sc_rate_recv_check_code_cap.tv_sec = 1; 379 sc->sc_rate_recv_fixup_odd_nibble_short_cap.tv_sec = 1; 380 sc->sc_rate_recv_fixup_odd_nibble_preamble_cap.tv_sec = 1; 381 sc->sc_rate_recv_fixup_odd_nibble_crc_cap.tv_sec = 1; 382 #ifdef OCTEON_ETH_DEBUG 383 sc->sc_rate_recv_fixup_odd_nibble_addr_cap.tv_sec = 1; 384 #endif 385 /* XXX */ 386 387 #if 1 388 octeon_eth_buf_init(sc); 389 #endif 390 391 if (octeon_eth_pow_recv_ih == NULL) 392 octeon_eth_pow_recv_ih = octeon_pow_intr_establish(OCTEON_POW_GROUP_PIP, 393 IPL_NET, octeon_eth_recv_intr, NULL, NULL); 394 395 OCTEON_EVCNT_ATTACH_EVCNTS(sc, octeon_evcnt_entries, 396 device_xname(sc->sc_dev)); 397 } 398 399 /* ---- submodules */ 400 401 /* XXX */ 402 static void 403 octeon_eth_pip_init(struct octeon_eth_softc *sc) 404 { 405 struct octeon_pip_attach_args pip_aa; 406 407 pip_aa.aa_port = sc->sc_port; 408 pip_aa.aa_regt = sc->sc_regt; 409 pip_aa.aa_tag_type = POW_TAG_TYPE_ORDERED/* XXX */; 410 pip_aa.aa_receive_group = OCTEON_POW_GROUP_PIP; 411 pip_aa.aa_ip_offset = sc->sc_ip_offset; 412 octeon_pip_init(&pip_aa, &sc->sc_pip); 413 } 414 415 /* XXX */ 416 static void 417 octeon_eth_ipd_init(struct octeon_eth_softc *sc) 418 { 419 struct octeon_ipd_attach_args ipd_aa; 420 421 ipd_aa.aa_port = sc->sc_port; 422 ipd_aa.aa_regt = sc->sc_regt; 423 ipd_aa.aa_first_mbuff_skip = 184/* XXX */; 424 ipd_aa.aa_not_first_mbuff_skip = 0/* XXX */; 425 octeon_ipd_init(&ipd_aa, &sc->sc_ipd); 426 } 427 428 /* XXX */ 429 static void 430 octeon_eth_pko_init(struct octeon_eth_softc *sc) 431 { 432 struct octeon_pko_attach_args pko_aa; 433 434 pko_aa.aa_port = sc->sc_port; 435 pko_aa.aa_regt = sc->sc_regt; 436 pko_aa.aa_cmdptr = &sc->sc_cmdptr; 437 pko_aa.aa_cmd_buf_pool = OCTEON_POOL_NO_CMD; 438 pko_aa.aa_cmd_buf_size = OCTEON_POOL_NWORDS_CMD; 439 octeon_pko_init(&pko_aa, &sc->sc_pko); 440 } 441 442 /* XXX */ 443 static void 444 octeon_eth_asx_init(struct octeon_eth_softc *sc) 445 { 446 struct octeon_asx_attach_args asx_aa; 447 448 asx_aa.aa_port = sc->sc_port; 449 asx_aa.aa_regt = sc->sc_regt; 450 octeon_asx_init(&asx_aa, &sc->sc_asx); 451 } 452 453 static void 454 octeon_eth_smi_init(struct octeon_eth_softc *sc) 455 { 456 struct octeon_smi_attach_args smi_aa; 457 458 smi_aa.aa_port = sc->sc_port; 459 smi_aa.aa_regt = sc->sc_regt; 460 octeon_smi_init(&smi_aa, &sc->sc_smi); 461 octeon_smi_set_clock(sc->sc_smi, 0x1464ULL); /* XXX */ 462 } 463 464 /* ---- XXX */ 465 466 #define ADDR2UINT64(u, a) \ 467 do { \ 468 u = \ 469 (((uint64_t)a[0] << 40) | ((uint64_t)a[1] << 32) | \ 470 ((uint64_t)a[2] << 24) | ((uint64_t)a[3] << 16) | \ 471 ((uint64_t)a[4] << 8) | ((uint64_t)a[5] << 0)); \ 472 } while (0) 473 #define UINT642ADDR(a, u) \ 474 do { \ 475 a[0] = (uint8_t)((u) >> 40); a[1] = (uint8_t)((u) >> 32); \ 476 a[2] = (uint8_t)((u) >> 24); a[3] = (uint8_t)((u) >> 16); \ 477 a[4] = (uint8_t)((u) >> 8); a[5] = (uint8_t)((u) >> 0); \ 478 } while (0) 479 480 static void 481 octeon_eth_board_mac_addr(uint8_t *enaddr, size_t size, struct octeon_eth_softc *sc) 482 { 483 prop_dictionary_t dict; 484 prop_data_t ea; 485 486 dict = device_properties(sc->sc_dev); 487 KASSERT(dict != NULL); 488 ea = prop_dictionary_get(dict, "mac-address"); 489 KASSERT(ea != NULL); 490 memcpy(enaddr, prop_data_data_nocopy(ea), size); 491 } 492 493 /* ---- media */ 494 495 static int 496 octeon_eth_mii_readreg(device_t self, int phy_addr, int reg) 497 { 498 struct octeon_eth_softc *sc = device_private(self); 499 500 return octeon_smi_read(sc->sc_smi, phy_addr, reg); 501 } 502 503 static void 504 octeon_eth_mii_writereg(device_t self, int phy_addr, int reg, int value) 505 { 506 struct octeon_eth_softc *sc = device_private(self); 507 508 octeon_smi_write(sc->sc_smi, phy_addr, reg, value); 509 } 510 511 static void 512 octeon_eth_mii_statchg(struct ifnet *ifp) 513 { 514 struct octeon_eth_softc *sc = ifp->if_softc; 515 516 octeon_pko_port_enable(sc->sc_pko, 0); 517 octeon_gmx_port_enable(sc->sc_gmx_port, 0); 518 519 octeon_eth_reset(sc); 520 521 if (ISSET(ifp->if_flags, IFF_RUNNING)) 522 octeon_gmx_set_filter(sc->sc_gmx_port); 523 524 octeon_pko_port_enable(sc->sc_pko, 1); 525 octeon_gmx_port_enable(sc->sc_gmx_port, 1); 526 } 527 528 static int 529 octeon_eth_mediainit(struct octeon_eth_softc *sc) 530 { 531 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 532 prop_object_t phy; 533 534 sc->sc_mii.mii_ifp = ifp; 535 sc->sc_mii.mii_readreg = octeon_eth_mii_readreg; 536 sc->sc_mii.mii_writereg = octeon_eth_mii_writereg; 537 sc->sc_mii.mii_statchg = octeon_eth_mii_statchg; 538 ifmedia_init(&sc->sc_mii.mii_media, 0, octeon_eth_mediachange, 539 octeon_eth_mediastatus); 540 541 phy = prop_dictionary_get(device_properties(sc->sc_dev), "phy-addr"); 542 KASSERT(phy != NULL); 543 544 mii_attach(sc->sc_dev, &sc->sc_mii, 545 0xffffffff, prop_number_integer_value(phy), 546 MII_OFFSET_ANY, MIIF_DOPAUSE); 547 548 /* XXX XXX XXX */ 549 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 550 /* XXX XXX XXX */ 551 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER | IFM_AUTO); 552 /* XXX XXX XXX */ 553 } else { 554 /* XXX XXX XXX */ 555 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER | IFM_NONE, 556 MII_MEDIA_NONE, NULL); 557 /* XXX XXX XXX */ 558 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER | IFM_NONE); 559 /* XXX XXX XXX */ 560 } 561 /* XXX XXX XXX */ 562 563 return 0; 564 } 565 566 static void 567 octeon_eth_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 568 { 569 struct octeon_eth_softc *sc = ifp->if_softc; 570 571 mii_pollstat(&sc->sc_mii); 572 573 ifmr->ifm_status = sc->sc_mii.mii_media_status; 574 ifmr->ifm_active = sc->sc_mii.mii_media_active; 575 ifmr->ifm_active = (sc->sc_mii.mii_media_active & ~IFM_ETH_FMASK) | 576 sc->sc_gmx_port->sc_port_flowflags; 577 } 578 579 static int 580 octeon_eth_mediachange(struct ifnet *ifp) 581 { 582 struct octeon_eth_softc *sc = ifp->if_softc; 583 584 mii_mediachg(&sc->sc_mii); 585 586 return 0; 587 } 588 589 /* ---- send buffer garbage collection */ 590 591 static inline void 592 octeon_eth_send_queue_flush_prefetch(struct octeon_eth_softc *sc) 593 { 594 OCTEON_ETH_KASSERT(sc->sc_prefetch == 0); 595 octeon_fau_op_inc_fetch_8(&sc->sc_fau_done, 0); 596 sc->sc_prefetch = 1; 597 } 598 599 static inline void 600 octeon_eth_send_queue_flush_fetch(struct octeon_eth_softc *sc) 601 { 602 #ifndef OCTEON_ETH_DEBUG 603 if (!sc->sc_prefetch) 604 return; 605 #endif 606 OCTEON_ETH_KASSERT(sc->sc_prefetch == 1); 607 sc->sc_hard_done_cnt = octeon_fau_op_inc_read_8(&sc->sc_fau_done); 608 OCTEON_ETH_KASSERT(sc->sc_hard_done_cnt <= 0); 609 sc->sc_prefetch = 0; 610 } 611 612 static inline void 613 octeon_eth_send_queue_flush(struct octeon_eth_softc *sc) 614 { 615 const int64_t sent_count = sc->sc_hard_done_cnt; 616 int i; 617 618 OCTEON_ETH_KASSERT(sc->sc_flush == 0); 619 OCTEON_ETH_KASSERT(sent_count <= 0); 620 621 for (i = 0; i < 0 - sent_count; i++) { 622 struct mbuf *m; 623 uint64_t *gbuf; 624 625 octeon_eth_send_queue_del(sc, &m, &gbuf); 626 627 octeon_fpa_buf_put(octeon_eth_fb_sg, gbuf); 628 OCTEON_EVCNT_INC(sc, txbufgbput); 629 630 m_freem(m); 631 } 632 633 octeon_fau_op_inc_fetch_8(&sc->sc_fau_done, i); 634 sc->sc_flush = i; 635 } 636 637 static inline void 638 octeon_eth_send_queue_flush_sync(struct octeon_eth_softc *sc) 639 { 640 if (sc->sc_flush == 0) 641 return; 642 643 OCTEON_ETH_KASSERT(sc->sc_flush > 0); 644 645 /* XXX XXX XXX */ 646 octeon_fau_op_inc_read_8(&sc->sc_fau_done); 647 sc->sc_soft_req_cnt -= sc->sc_flush; 648 OCTEON_ETH_KASSERT(sc->sc_soft_req_cnt >= 0); 649 /* XXX XXX XXX */ 650 651 sc->sc_flush = 0; 652 } 653 654 static inline int 655 octeon_eth_send_queue_is_full(struct octeon_eth_softc *sc) 656 { 657 #ifdef OCTEON_ETH_SEND_QUEUE_CHECK 658 int64_t nofree_cnt; 659 660 nofree_cnt = sc->sc_soft_req_cnt + sc->sc_hard_done_cnt; 661 662 if (__predict_false(nofree_cnt == GATHER_QUEUE_SIZE - 1)) { 663 octeon_eth_send_queue_flush(sc); 664 OCTEON_EVCNT_INC(sc, txerrgbuf); 665 octeon_eth_send_queue_flush_sync(sc); 666 return 1; 667 } 668 669 #endif 670 return 0; 671 } 672 673 /* 674 * (Ab)use m_nextpkt and m_paddr to maintain mbuf chain and pointer to gather 675 * buffer. Other mbuf members may be used by m_freem(), so don't touch them! 676 */ 677 678 struct _send_queue_entry { 679 union { 680 struct mbuf _sqe_s_mbuf; 681 struct { 682 char _sqe_s_entry_pad[offsetof(struct mbuf, m_nextpkt)]; 683 SIMPLEQ_ENTRY(_send_queue_entry) _sqe_s_entry_entry; 684 } _sqe_s_entry; 685 struct { 686 char _sqe_s_gbuf_pad[offsetof(struct mbuf, m_paddr)]; 687 uint64_t *_sqe_s_gbuf_gbuf; 688 } _sqe_s_gbuf; 689 } _sqe_u; 690 #define _sqe_entry _sqe_u._sqe_s_entry._sqe_s_entry_entry 691 #define _sqe_gbuf _sqe_u._sqe_s_gbuf._sqe_s_gbuf_gbuf 692 }; 693 694 static inline void 695 octeon_eth_send_queue_add(struct octeon_eth_softc *sc, struct mbuf *m, 696 uint64_t *gbuf) 697 { 698 struct _send_queue_entry *sqe = (struct _send_queue_entry *)m; 699 700 sqe->_sqe_gbuf = gbuf; 701 SIMPLEQ_INSERT_TAIL(&sc->sc_sendq, sqe, _sqe_entry); 702 703 if ((m->m_flags & M_EXT) && m->m_ext.ext_free != NULL) 704 sc->sc_ext_callback_cnt++; 705 706 OCTEON_EVCNT_INC(sc, txadd); 707 } 708 709 static inline void 710 octeon_eth_send_queue_del(struct octeon_eth_softc *sc, struct mbuf **rm, 711 uint64_t **rgbuf) 712 { 713 struct _send_queue_entry *sqe; 714 715 sqe = SIMPLEQ_FIRST(&sc->sc_sendq); 716 OCTEON_ETH_KASSERT(sqe != NULL); 717 SIMPLEQ_REMOVE_HEAD(&sc->sc_sendq, _sqe_entry); 718 719 *rm = (void *)sqe; 720 *rgbuf = sqe->_sqe_gbuf; 721 722 if (((*rm)->m_flags & M_EXT) && (*rm)->m_ext.ext_free != NULL) { 723 sc->sc_ext_callback_cnt--; 724 OCTEON_ETH_KASSERT(sc->sc_ext_callback_cnt >= 0); 725 } 726 727 OCTEON_EVCNT_INC(sc, txdel); 728 } 729 730 static inline int 731 octeon_eth_buf_free_work(struct octeon_eth_softc *sc, uint64_t *work, 732 uint64_t word2) 733 { 734 /* XXX when jumbo frame */ 735 if (ISSET(word2, PIP_WQE_WORD2_IP_BUFS)) { 736 paddr_t addr; 737 paddr_t start_buffer; 738 739 addr = work[3] & PIP_WQE_WORD3_ADDR; 740 start_buffer = addr & ~(2048 - 1); 741 742 octeon_fpa_buf_put_paddr(octeon_eth_fb_pkt, start_buffer); 743 OCTEON_EVCNT_INC(sc, rxbufpkput); 744 } 745 746 octeon_fpa_buf_put(octeon_eth_fb_wqe, work); 747 OCTEON_EVCNT_INC(sc, rxbufwqput); 748 749 return 0; 750 } 751 752 static inline void 753 octeon_eth_buf_ext_free_m(struct mbuf *m, void *buf, size_t size, void *arg) 754 { 755 uint64_t *work = (void *)arg; 756 #ifdef OCTEON_ETH_DEBUG 757 struct octeon_eth_softc *sc = (void *)(uintptr_t)work[0]; 758 #endif 759 int s = splnet(); 760 761 OCTEON_EVCNT_INC(sc, rxrs); 762 763 octeon_fpa_buf_put(octeon_eth_fb_wqe, work); 764 OCTEON_EVCNT_INC(sc, rxbufwqput); 765 766 OCTEON_ETH_KASSERT(m != NULL); 767 768 pool_cache_put(mb_cache, m); 769 770 splx(s); 771 } 772 773 static inline void 774 octeon_eth_buf_ext_free_ext(struct mbuf *m, void *buf, size_t size, 775 void *arg) 776 { 777 uint64_t *work = (void *)arg; 778 #ifdef OCTEON_ETH_DEBUG 779 struct octeon_eth_softc *sc = (void *)(uintptr_t)work[0]; 780 #endif 781 int s = splnet(); 782 783 octeon_fpa_buf_put(octeon_eth_fb_wqe, work); 784 OCTEON_EVCNT_INC(sc, rxbufwqput); 785 786 octeon_fpa_buf_put(octeon_eth_fb_pkt, buf); 787 OCTEON_EVCNT_INC(sc, rxbufpkput); 788 789 OCTEON_ETH_KASSERT(m != NULL); 790 791 pool_cache_put(mb_cache, m); 792 793 splx(s); 794 } 795 796 /* ---- ifnet interfaces */ 797 798 static int 799 octeon_eth_ioctl(struct ifnet *ifp, u_long cmd, void *data) 800 { 801 struct octeon_eth_softc *sc = ifp->if_softc; 802 struct ifreq *ifr = (struct ifreq *)data; 803 int s, error; 804 805 s = splnet(); 806 switch (cmd) { 807 case SIOCSIFMEDIA: 808 /* Flow control requires full-duplex mode. */ 809 if (IFM_SUBTYPE(ifr->ifr_media) == IFM_AUTO || 810 (ifr->ifr_media & IFM_FDX) == 0) { 811 ifr->ifr_media &= ~IFM_ETH_FMASK; 812 } 813 if (IFM_SUBTYPE(ifr->ifr_media) != IFM_AUTO) { 814 if ((ifr->ifr_media & IFM_ETH_FMASK) == IFM_FLOW) { 815 ifr->ifr_media |= 816 IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE; 817 } 818 sc->sc_gmx_port->sc_port_flowflags = 819 ifr->ifr_media & IFM_ETH_FMASK; 820 } 821 /* FALLTHROUGH */ 822 case SIOCGIFMEDIA: 823 /* XXX: Flow contorol */ 824 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 825 break; 826 default: 827 error = ether_ioctl(ifp, cmd, data); 828 if (error == ENETRESET) { 829 /* 830 * Multicast list has changed; set the hardware filter 831 * accordingly. 832 */ 833 if (ISSET(ifp->if_flags, IFF_RUNNING)) 834 octeon_gmx_set_filter(sc->sc_gmx_port); 835 error = 0; 836 } 837 break; 838 } 839 octeon_eth_start(ifp); 840 splx(s); 841 842 return (error); 843 } 844 845 /* ---- send (output) */ 846 847 static inline uint64_t 848 octeon_eth_send_makecmd_w0(uint64_t fau0, uint64_t fau1, size_t len, int segs) 849 { 850 return octeon_pko_cmd_word0( 851 OCT_FAU_OP_SIZE_64, /* sz1 */ 852 OCT_FAU_OP_SIZE_64, /* sz0 */ 853 1, fau1, 1, fau0, /* s1, reg1, s0, reg0 */ 854 0, /* le */ 855 octeon_eth_param_pko_cmd_w0_n2, /* n2 */ 856 1, 0, /* q, r */ 857 (segs == 1) ? 0 : 1, /* g */ 858 0, 0, 1, /* ipoffp1, ii, df */ 859 segs, (int)len); /* segs, totalbytes */ 860 } 861 862 static inline uint64_t 863 octeon_eth_send_makecmd_w1(int size, paddr_t addr) 864 { 865 return octeon_pko_cmd_word1( 866 0, 0, /* i, back */ 867 FPA_GATHER_BUFFER_POOL, /* pool */ 868 size, addr); /* size, addr */ 869 } 870 871 static inline int 872 octeon_eth_send_makecmd_gbuf(struct octeon_eth_softc *sc, struct mbuf *m0, 873 uint64_t *gbuf, int *rsegs) 874 { 875 struct mbuf *m; 876 int segs = 0; 877 uintptr_t laddr, rlen, nlen; 878 879 for (m = m0; m != NULL; m = m->m_next) { 880 881 if (__predict_false(m->m_len == 0)) 882 continue; 883 884 #if 0 885 OCTEON_ETH_KASSERT(((uint32_t)m->m_data & (PAGE_SIZE - 1)) 886 == (kvtophys((vaddr_t)m->m_data) & (PAGE_SIZE - 1))); 887 #endif 888 889 /* 890 * aligned 4k 891 */ 892 laddr = (uintptr_t)m->m_data & (PAGE_SIZE - 1); 893 894 if (laddr + m->m_len > PAGE_SIZE) { 895 /* XXX XXX XXX */ 896 rlen = PAGE_SIZE - laddr; 897 nlen = m->m_len - rlen; 898 *(gbuf + segs) = octeon_eth_send_makecmd_w1(rlen, 899 kvtophys((vaddr_t)m->m_data)); 900 segs++; 901 if (segs > 63) { 902 return 1; 903 } 904 /* XXX XXX XXX */ 905 } else { 906 rlen = 0; 907 nlen = m->m_len; 908 } 909 910 *(gbuf + segs) = octeon_eth_send_makecmd_w1(nlen, 911 kvtophys((vaddr_t)(m->m_data + rlen))); 912 segs++; 913 if (segs > 63) { 914 return 1; 915 } 916 } 917 918 OCTEON_ETH_KASSERT(m == NULL); 919 920 *rsegs = segs; 921 922 return 0; 923 } 924 925 static inline int 926 octeon_eth_send_makecmd(struct octeon_eth_softc *sc, struct mbuf *m, 927 uint64_t *gbuf, uint64_t *rpko_cmd_w0, uint64_t *rpko_cmd_w1) 928 { 929 uint64_t pko_cmd_w0, pko_cmd_w1; 930 int segs; 931 int result = 0; 932 933 if (octeon_eth_send_makecmd_gbuf(sc, m, gbuf, &segs)) { 934 log(LOG_WARNING, "%s: there are a lot of number of segments" 935 " of transmission data", device_xname(sc->sc_dev)); 936 result = 1; 937 goto done; 938 } 939 940 /* 941 * segs == 1 -> link mode (single continuous buffer) 942 * WORD1[size] is number of bytes pointed by segment 943 * 944 * segs > 1 -> gather mode (scatter-gather buffer) 945 * WORD1[size] is number of segments 946 */ 947 pko_cmd_w0 = octeon_eth_send_makecmd_w0(sc->sc_fau_done.fd_regno, 948 0, m->m_pkthdr.len, segs); 949 pko_cmd_w1 = octeon_eth_send_makecmd_w1( 950 (segs == 1) ? m->m_pkthdr.len : segs, 951 (segs == 1) ? 952 kvtophys((vaddr_t)m->m_data) : 953 MIPS_XKPHYS_TO_PHYS(gbuf)); 954 955 *rpko_cmd_w0 = pko_cmd_w0; 956 *rpko_cmd_w1 = pko_cmd_w1; 957 958 done: 959 return result; 960 } 961 962 static inline int 963 octeon_eth_send_cmd(struct octeon_eth_softc *sc, uint64_t pko_cmd_w0, 964 uint64_t pko_cmd_w1) 965 { 966 uint64_t *cmdptr; 967 int result = 0; 968 969 cmdptr = (uint64_t *)MIPS_PHYS_TO_XKPHYS_CACHED(sc->sc_cmdptr.cmdptr); 970 cmdptr += sc->sc_cmdptr.cmdptr_idx; 971 972 OCTEON_ETH_KASSERT(cmdptr != NULL); 973 974 *cmdptr++ = pko_cmd_w0; 975 *cmdptr++ = pko_cmd_w1; 976 977 OCTEON_ETH_KASSERT(sc->sc_cmdptr.cmdptr_idx + 2 <= FPA_COMMAND_BUFFER_POOL_NWORDS - 1); 978 979 if (sc->sc_cmdptr.cmdptr_idx + 2 == FPA_COMMAND_BUFFER_POOL_NWORDS - 1) { 980 paddr_t buf; 981 982 buf = octeon_fpa_buf_get_paddr(octeon_eth_fb_cmd); 983 if (buf == 0) { 984 log(LOG_WARNING, 985 "%s: can not allocate command buffer from free pool allocator\n", 986 device_xname(sc->sc_dev)); 987 result = 1; 988 goto done; 989 } 990 OCTEON_EVCNT_INC(sc, txbufcbget); 991 *cmdptr++ = buf; 992 sc->sc_cmdptr.cmdptr = (uint64_t)buf; 993 sc->sc_cmdptr.cmdptr_idx = 0; 994 } else { 995 sc->sc_cmdptr.cmdptr_idx += 2; 996 } 997 998 octeon_pko_op_doorbell_write(sc->sc_port, sc->sc_port, 2); 999 1000 done: 1001 return result; 1002 } 1003 1004 static inline int 1005 octeon_eth_send_buf(struct octeon_eth_softc *sc, struct mbuf *m, 1006 uint64_t *gbuf) 1007 { 1008 int result = 0, error; 1009 uint64_t pko_cmd_w0, pko_cmd_w1; 1010 1011 error = octeon_eth_send_makecmd(sc, m, gbuf, &pko_cmd_w0, &pko_cmd_w1); 1012 if (error != 0) { 1013 /* already logging */ 1014 OCTEON_EVCNT_INC(sc, txerrmkcmd); 1015 result = error; 1016 goto done; 1017 } 1018 1019 error = octeon_eth_send_cmd(sc, pko_cmd_w0, pko_cmd_w1); 1020 if (error != 0) { 1021 /* already logging */ 1022 OCTEON_EVCNT_INC(sc, txerrcmd); 1023 result = error; 1024 } 1025 1026 done: 1027 return result; 1028 } 1029 1030 static inline int 1031 octeon_eth_send(struct octeon_eth_softc *sc, struct mbuf *m) 1032 { 1033 paddr_t gaddr = 0; 1034 uint64_t *gbuf = NULL; 1035 int result = 0, error; 1036 1037 OCTEON_EVCNT_INC(sc, tx); 1038 1039 gaddr = octeon_fpa_buf_get_paddr(octeon_eth_fb_sg); 1040 if (gaddr == 0) { 1041 log(LOG_WARNING, 1042 "%s: can not allocate gather buffer from free pool allocator\n", 1043 device_xname(sc->sc_dev)); 1044 OCTEON_EVCNT_INC(sc, txerrgbuf); 1045 result = 1; 1046 goto done; 1047 } 1048 OCTEON_EVCNT_INC(sc, txbufgbget); 1049 1050 gbuf = (uint64_t *)(uintptr_t)MIPS_PHYS_TO_XKPHYS_CACHED(gaddr); 1051 1052 OCTEON_ETH_KASSERT(gbuf != NULL); 1053 1054 error = octeon_eth_send_buf(sc, m, gbuf); 1055 if (error != 0) { 1056 /* already logging */ 1057 octeon_fpa_buf_put_paddr(octeon_eth_fb_sg, gaddr); 1058 OCTEON_EVCNT_INC(sc, txbufgbput); 1059 result = error; 1060 goto done; 1061 } 1062 1063 octeon_eth_send_queue_add(sc, m, gbuf); 1064 1065 done: 1066 return result; 1067 } 1068 1069 static void 1070 octeon_eth_start(struct ifnet *ifp) 1071 { 1072 struct octeon_eth_softc *sc = ifp->if_softc; 1073 struct mbuf *m; 1074 1075 /* 1076 * performance tuning 1077 * presend iobdma request 1078 */ 1079 octeon_eth_send_queue_flush_prefetch(sc); 1080 1081 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1082 goto last; 1083 1084 /* XXX assume that OCTEON doesn't buffer packets */ 1085 if (__predict_false(!octeon_gmx_link_status(sc->sc_gmx_port))) { 1086 /* dequeue and drop them */ 1087 while (1) { 1088 IFQ_DEQUEUE(&ifp->if_snd, m); 1089 if (m == NULL) 1090 break; 1091 1092 m_freem(m); 1093 IF_DROP(&ifp->if_snd); 1094 OCTEON_EVCNT_INC(sc, txerrlink); 1095 } 1096 goto last; 1097 } 1098 1099 for (;;) { 1100 IFQ_POLL(&ifp->if_snd, m); 1101 if (__predict_false(m == NULL)) 1102 break; 1103 1104 /* XXX XXX XXX */ 1105 octeon_eth_send_queue_flush_fetch(sc); 1106 1107 /* 1108 * If no free send buffer is available, free all the sent buffer 1109 * and bail out. 1110 */ 1111 if (octeon_eth_send_queue_is_full(sc)) { 1112 return; 1113 } 1114 /* XXX XXX XXX */ 1115 1116 IFQ_DEQUEUE(&ifp->if_snd, m); 1117 1118 bpf_mtap(ifp, m); 1119 1120 /* XXX XXX XXX */ 1121 if (sc->sc_soft_req_cnt > sc->sc_soft_req_thresh) 1122 octeon_eth_send_queue_flush(sc); 1123 if (octeon_eth_send(sc, m)) { 1124 IF_DROP(&ifp->if_snd); 1125 m_freem(m); 1126 log(LOG_WARNING, 1127 "%s: failed in the transmission of the packet\n", 1128 device_xname(sc->sc_dev)); 1129 OCTEON_EVCNT_INC(sc, txerr); 1130 } else { 1131 sc->sc_soft_req_cnt++; 1132 } 1133 if (sc->sc_flush) 1134 octeon_eth_send_queue_flush_sync(sc); 1135 /* XXX XXX XXX */ 1136 1137 /* 1138 * send next iobdma request 1139 */ 1140 octeon_eth_send_queue_flush_prefetch(sc); 1141 } 1142 1143 /* 1144 * Don't schedule send-buffer-free callout every time - those buffers are freed 1145 * by "free tick". This makes some packets like NFS slower. 1146 */ 1147 #ifdef OCTEON_ETH_USENFS 1148 if (__predict_false(sc->sc_ext_callback_cnt > 0)) { 1149 int timo; 1150 1151 /* ??? */ 1152 timo = hz - (100 * sc->sc_ext_callback_cnt); 1153 if (timo < 10) 1154 timo = 10; 1155 callout_schedule(&sc->sc_tick_free_ch, timo); 1156 } 1157 #endif 1158 1159 last: 1160 octeon_eth_send_queue_flush_fetch(sc); 1161 } 1162 1163 static void 1164 octeon_eth_watchdog(struct ifnet *ifp) 1165 { 1166 struct octeon_eth_softc *sc = ifp->if_softc; 1167 1168 printf("%s: device timeout\n", device_xname(sc->sc_dev)); 1169 1170 octeon_eth_configure(sc); 1171 1172 SET(ifp->if_flags, IFF_RUNNING); 1173 CLR(ifp->if_flags, IFF_OACTIVE); 1174 ifp->if_timer = 0; 1175 1176 octeon_eth_start(ifp); 1177 } 1178 1179 static int 1180 octeon_eth_init(struct ifnet *ifp) 1181 { 1182 struct octeon_eth_softc *sc = ifp->if_softc; 1183 1184 /* XXX don't disable commonly used parts!!! XXX */ 1185 if (sc->sc_init_flag == 0) { 1186 /* Cancel any pending I/O. */ 1187 octeon_eth_stop(ifp, 0); 1188 1189 /* Initialize the device */ 1190 octeon_eth_configure(sc); 1191 1192 octeon_pko_enable(sc->sc_pko); 1193 octeon_ipd_enable(sc->sc_ipd); 1194 1195 sc->sc_init_flag = 1; 1196 } else { 1197 octeon_gmx_port_enable(sc->sc_gmx_port, 1); 1198 } 1199 octeon_eth_mediachange(ifp); 1200 1201 octeon_gmx_set_filter(sc->sc_gmx_port); 1202 1203 callout_reset(&sc->sc_tick_misc_ch, hz, octeon_eth_tick_misc, sc); 1204 callout_reset(&sc->sc_tick_free_ch, hz, octeon_eth_tick_free, sc); 1205 1206 SET(ifp->if_flags, IFF_RUNNING); 1207 CLR(ifp->if_flags, IFF_OACTIVE); 1208 1209 return 0; 1210 } 1211 1212 static void 1213 octeon_eth_stop(struct ifnet *ifp, int disable) 1214 { 1215 struct octeon_eth_softc *sc = ifp->if_softc; 1216 1217 callout_stop(&sc->sc_tick_misc_ch); 1218 callout_stop(&sc->sc_tick_free_ch); 1219 1220 mii_down(&sc->sc_mii); 1221 1222 octeon_gmx_port_enable(sc->sc_gmx_port, 0); 1223 1224 /* Mark the interface as down and cancel the watchdog timer. */ 1225 CLR(ifp->if_flags, IFF_RUNNING | IFF_OACTIVE); 1226 ifp->if_timer = 0; 1227 } 1228 1229 /* ---- misc */ 1230 1231 #define PKO_INDEX_MASK ((1ULL << 12/* XXX */) - 1) 1232 1233 static int 1234 octeon_eth_reset(struct octeon_eth_softc *sc) 1235 { 1236 octeon_gmx_reset_speed(sc->sc_gmx_port); 1237 octeon_gmx_reset_flowctl(sc->sc_gmx_port); 1238 octeon_gmx_reset_timing(sc->sc_gmx_port); 1239 1240 return 0; 1241 } 1242 1243 static int 1244 octeon_eth_configure(struct octeon_eth_softc *sc) 1245 { 1246 octeon_gmx_port_enable(sc->sc_gmx_port, 0); 1247 1248 octeon_eth_reset(sc); 1249 1250 octeon_eth_configure_common(sc); 1251 1252 octeon_pko_port_config(sc->sc_pko); 1253 octeon_pko_port_enable(sc->sc_pko, 1); 1254 octeon_pip_port_config(sc->sc_pip); 1255 1256 octeon_gmx_tx_stats_rd_clr(sc->sc_gmx_port, 1); 1257 octeon_gmx_rx_stats_rd_clr(sc->sc_gmx_port, 1); 1258 1259 octeon_gmx_port_enable(sc->sc_gmx_port, 1); 1260 1261 return 0; 1262 } 1263 1264 static int 1265 octeon_eth_configure_common(struct octeon_eth_softc *sc) 1266 { 1267 static int once; 1268 1269 if (once == 1) 1270 return 0; 1271 once = 1; 1272 1273 octeon_ipd_config(sc->sc_ipd); 1274 #ifdef OCTEON_ETH_IPD_RED 1275 octeon_ipd_red(sc->sc_ipd, RECV_QUEUE_SIZE >> 2, RECV_QUEUE_SIZE >> 3); 1276 #endif 1277 octeon_pko_config(sc->sc_pko); 1278 1279 octeon_pow_config(sc->sc_pow, OCTEON_POW_GROUP_PIP); 1280 1281 return 0; 1282 } 1283 1284 /* ---- receive (input) */ 1285 1286 static inline int 1287 octeon_eth_recv_mbuf(struct octeon_eth_softc *sc, uint64_t *work, 1288 struct mbuf **rm) 1289 { 1290 struct mbuf *m; 1291 void (*ext_free)(struct mbuf *, void *, size_t, void *); 1292 void *ext_buf; 1293 size_t ext_size; 1294 void *data; 1295 uint64_t word1 = work[1]; 1296 uint64_t word2 = work[2]; 1297 uint64_t word3 = work[3]; 1298 1299 MGETHDR(m, M_NOWAIT, MT_DATA); 1300 if (m == NULL) 1301 return 1; 1302 OCTEON_ETH_KASSERT(m != NULL); 1303 1304 if ((word2 & PIP_WQE_WORD2_IP_BUFS) == 0) { 1305 /* Dynamic short */ 1306 ext_free = octeon_eth_buf_ext_free_m; 1307 ext_buf = &work[4]; 1308 ext_size = 96; 1309 1310 data = &work[4 + sc->sc_ip_offset / sizeof(uint64_t)]; 1311 } else { 1312 vaddr_t addr; 1313 vaddr_t start_buffer; 1314 1315 addr = MIPS_PHYS_TO_XKPHYS_CACHED(word3 & PIP_WQE_WORD3_ADDR); 1316 start_buffer = addr & ~(2048 - 1); 1317 1318 ext_free = octeon_eth_buf_ext_free_ext; 1319 ext_buf = (void *)start_buffer; 1320 ext_size = 2048; 1321 1322 data = (void *)addr; 1323 } 1324 1325 /* embed sc pointer into work[0] for _ext_free evcnt */ 1326 work[0] = (uintptr_t)sc; 1327 1328 MEXTADD(m, ext_buf, ext_size, 0, ext_free, work); 1329 OCTEON_ETH_KASSERT(ISSET(m->m_flags, M_EXT)); 1330 1331 m->m_data = data; 1332 m->m_len = m->m_pkthdr.len = (word1 & PIP_WQE_WORD1_LEN) >> 48; 1333 m->m_pkthdr.rcvif = &sc->sc_ethercom.ec_if; 1334 /* 1335 * not readonly buffer 1336 */ 1337 m->m_flags |= M_EXT_RW; 1338 1339 *rm = m; 1340 1341 OCTEON_ETH_KASSERT(*rm != NULL); 1342 1343 return 0; 1344 } 1345 1346 static inline int 1347 octeon_eth_recv_check_code(struct octeon_eth_softc *sc, uint64_t word2) 1348 { 1349 uint64_t opecode = word2 & PIP_WQE_WORD2_NOIP_OPECODE; 1350 1351 if (__predict_true(!ISSET(word2, PIP_WQE_WORD2_NOIP_RE))) 1352 return 0; 1353 1354 /* this error is harmless */ 1355 if (opecode == PIP_OVER_ERR) 1356 return 0; 1357 1358 return 1; 1359 } 1360 1361 static inline int 1362 octeon_eth_recv_check_jumbo(struct octeon_eth_softc *sc, uint64_t word2) 1363 { 1364 if (__predict_false((word2 & PIP_WQE_WORD2_IP_BUFS) > (1ULL << 56))) 1365 return 1; 1366 return 0; 1367 } 1368 1369 static inline int 1370 octeon_eth_recv_check_link(struct octeon_eth_softc *sc, uint64_t word2) 1371 { 1372 if (__predict_false(!octeon_gmx_link_status(sc->sc_gmx_port))) 1373 return 1; 1374 return 0; 1375 } 1376 1377 static inline int 1378 octeon_eth_recv_check(struct octeon_eth_softc *sc, uint64_t word2) 1379 { 1380 if (__predict_false(octeon_eth_recv_check_link(sc, word2)) != 0) { 1381 if (ratecheck(&sc->sc_rate_recv_check_link_last, 1382 &sc->sc_rate_recv_check_link_cap)) 1383 log(LOG_DEBUG, 1384 "%s: link is not up, the packet was dropped\n", 1385 device_xname(sc->sc_dev)); 1386 OCTEON_EVCNT_INC(sc, rxerrlink); 1387 return 1; 1388 } 1389 1390 #if 0 /* XXX Performance tunig (Jumbo-frame is not supported yet!) */ 1391 if (__predict_false(octeon_eth_recv_check_jumbo(sc, word2)) != 0) { 1392 /* XXX jumbo frame */ 1393 if (ratecheck(&sc->sc_rate_recv_check_jumbo_last, 1394 &sc->sc_rate_recv_check_jumbo_cap)) 1395 log(LOG_DEBUG, 1396 "jumbo frame was received\n"); 1397 OCTEON_EVCNT_INC(sc, rxerrjmb); 1398 return 1; 1399 } 1400 #endif 1401 1402 if (__predict_false(octeon_eth_recv_check_code(sc, word2)) != 0) { 1403 1404 if ((word2 & PIP_WQE_WORD2_NOIP_OPECODE) == 1405 PIP_WQE_WORD2_RE_OPCODE_LENGTH) { 1406 /* no logging */ 1407 /* XXX inclement special error count */ 1408 } else if ((word2 & PIP_WQE_WORD2_NOIP_OPECODE) == 1409 PIP_WQE_WORD2_RE_OPCODE_PARTIAL) { 1410 /* not an erorr. it's because of overload */ 1411 } else { 1412 1413 if (ratecheck(&sc->sc_rate_recv_check_code_last, 1414 &sc->sc_rate_recv_check_code_cap)) 1415 log(LOG_WARNING, 1416 "%s: the reception error had occured, " 1417 "the packet was dropped (error code = %" PRId64 ")\n", 1418 device_xname(sc->sc_dev), word2 & PIP_WQE_WORD2_NOIP_OPECODE); 1419 } 1420 OCTEON_EVCNT_INC(sc, rxerrcode); 1421 return 1; 1422 } 1423 1424 return 0; 1425 } 1426 1427 static inline int 1428 octeon_eth_recv(struct octeon_eth_softc *sc, uint64_t *work) 1429 { 1430 int result = 0; 1431 struct ifnet *ifp; 1432 struct mbuf *m; 1433 uint64_t word2; 1434 1435 /* XXX XXX XXX */ 1436 /* 1437 * performance tuning 1438 * presend iobdma request 1439 */ 1440 if (sc->sc_soft_req_cnt > sc->sc_soft_req_thresh) { 1441 octeon_eth_send_queue_flush_prefetch(sc); 1442 } 1443 /* XXX XXX XXX */ 1444 1445 OCTEON_ETH_KASSERT(sc != NULL); 1446 OCTEON_ETH_KASSERT(work != NULL); 1447 1448 OCTEON_EVCNT_INC(sc, rx); 1449 1450 word2 = work[2]; 1451 ifp = &sc->sc_ethercom.ec_if; 1452 1453 OCTEON_ETH_KASSERT(ifp != NULL); 1454 1455 if (__predict_false(octeon_eth_recv_check(sc, word2) != 0)) { 1456 ifp->if_ierrors++; 1457 result = 1; 1458 octeon_eth_buf_free_work(sc, work, word2); 1459 goto drop; 1460 } 1461 1462 if (__predict_false(octeon_eth_recv_mbuf(sc, work, &m) != 0)) { 1463 ifp->if_ierrors++; 1464 result = 1; 1465 octeon_eth_buf_free_work(sc, work, word2); 1466 goto drop; 1467 } 1468 1469 /* work[0] .. work[3] may not be valid any more */ 1470 1471 OCTEON_ETH_KASSERT(m != NULL); 1472 1473 octeon_ipd_offload(word2, m->m_data, &m->m_pkthdr.csum_flags); 1474 1475 /* count input packet */ 1476 ifp->if_ipackets++; 1477 1478 /* XXX XXX XXX */ 1479 if (sc->sc_soft_req_cnt > sc->sc_soft_req_thresh) { 1480 octeon_eth_send_queue_flush_fetch(sc); 1481 octeon_eth_send_queue_flush(sc); 1482 } 1483 /* XXX XXX XXX */ 1484 1485 bpf_mtap(ifp, m); 1486 1487 /* XXX XXX XXX */ 1488 if (sc->sc_flush) 1489 octeon_eth_send_queue_flush_sync(sc); 1490 /* XXX XXX XXX */ 1491 1492 (*ifp->if_input)(ifp, m); 1493 1494 return 0; 1495 1496 drop: 1497 /* XXX XXX XXX */ 1498 if (sc->sc_soft_req_cnt > sc->sc_soft_req_thresh) { 1499 octeon_eth_send_queue_flush_fetch(sc); 1500 } 1501 /* XXX XXX XXX */ 1502 1503 return result; 1504 } 1505 1506 static void 1507 octeon_eth_recv_redir(struct ifnet *ifp, struct mbuf *m) 1508 { 1509 struct octeon_eth_softc *rsc = ifp->if_softc; 1510 struct octeon_eth_softc *sc = NULL; 1511 int i; 1512 1513 for (i = 0; i < 3 /* XXX */; i++) { 1514 if (rsc->sc_redir & (1 << i)) 1515 sc = octeon_eth_gsc[i]; 1516 } 1517 1518 if (sc == NULL) { 1519 m_freem(m); 1520 return; 1521 } 1522 octeon_eth_send_queue_flush_prefetch(sc); 1523 1524 octeon_eth_send_queue_flush_fetch(sc); 1525 1526 if (octeon_eth_send_queue_is_full(sc)) { 1527 m_freem(m); 1528 return; 1529 } 1530 if (sc->sc_soft_req_cnt > sc->sc_soft_req_thresh) 1531 octeon_eth_send_queue_flush(sc); 1532 1533 if (octeon_eth_send(sc, m)) { 1534 IF_DROP(&ifp->if_snd); 1535 m_freem(m); 1536 } else { 1537 sc->sc_soft_req_cnt++; 1538 } 1539 1540 if (sc->sc_flush) 1541 octeon_eth_send_queue_flush_sync(sc); 1542 } 1543 1544 static inline void 1545 octeon_eth_recv_intr(void *data, uint64_t *work) 1546 { 1547 struct octeon_eth_softc *sc; 1548 int port; 1549 1550 OCTEON_ETH_KASSERT(work != NULL); 1551 1552 port = (work[1] & PIP_WQE_WORD1_IPRT) >> 42; 1553 1554 OCTEON_ETH_KASSERT(port < GMX_PORT_NUNITS); 1555 1556 sc = octeon_eth_gsc[port]; 1557 1558 OCTEON_ETH_KASSERT(sc != NULL); 1559 OCTEON_ETH_KASSERT(port == sc->sc_port); 1560 1561 /* XXX process all work queue entries anyway */ 1562 1563 (void)octeon_eth_recv(sc, work); 1564 } 1565 1566 /* ---- tick */ 1567 1568 /* 1569 * octeon_eth_tick_free 1570 * 1571 * => garbage collect send gather buffer / mbuf 1572 * => called at softclock 1573 */ 1574 static void 1575 octeon_eth_tick_free(void *arg) 1576 { 1577 struct octeon_eth_softc *sc = arg; 1578 int timo; 1579 int s; 1580 1581 s = splnet(); 1582 /* XXX XXX XXX */ 1583 if (sc->sc_soft_req_cnt > 0) { 1584 octeon_eth_send_queue_flush_prefetch(sc); 1585 octeon_eth_send_queue_flush_fetch(sc); 1586 octeon_eth_send_queue_flush(sc); 1587 octeon_eth_send_queue_flush_sync(sc); 1588 } 1589 /* XXX XXX XXX */ 1590 1591 /* XXX XXX XXX */ 1592 /* ??? */ 1593 timo = hz - (100 * sc->sc_ext_callback_cnt); 1594 if (timo < 10) 1595 timo = 10; 1596 callout_schedule(&sc->sc_tick_free_ch, timo); 1597 /* XXX XXX XXX */ 1598 splx(s); 1599 } 1600 1601 /* 1602 * octeon_eth_tick_misc 1603 * 1604 * => collect statistics 1605 * => check link status 1606 * => called at softclock 1607 */ 1608 static void 1609 octeon_eth_tick_misc(void *arg) 1610 { 1611 struct octeon_eth_softc *sc = arg; 1612 struct ifnet *ifp; 1613 int s; 1614 1615 s = splnet(); 1616 1617 ifp = &sc->sc_ethercom.ec_if; 1618 1619 octeon_gmx_stats(sc->sc_gmx_port); 1620 octeon_pip_stats(sc->sc_pip, ifp, sc->sc_port); 1621 mii_tick(&sc->sc_mii); 1622 1623 splx(s); 1624 1625 callout_schedule(&sc->sc_tick_misc_ch, hz); 1626 } 1627 1628 /* ---- odd nibble preamble workaround (software CRC processing) */ 1629 1630 /* ---- sysctl */ 1631 1632 static int octeon_eth_sysctl_verify(SYSCTLFN_ARGS); 1633 static int octeon_eth_sysctl_pool(SYSCTLFN_ARGS); 1634 static int octeon_eth_sysctl_rd(SYSCTLFN_ARGS); 1635 1636 static int octeon_eth_sysctl_pkocmdw0n2_num; 1637 static int octeon_eth_sysctl_pipdynrs_num; 1638 static int octeon_eth_sysctl_redir_num; 1639 static int octeon_eth_sysctl_pkt_pool_num; 1640 static int octeon_eth_sysctl_wqe_pool_num; 1641 static int octeon_eth_sysctl_cmd_pool_num; 1642 static int octeon_eth_sysctl_sg_pool_num; 1643 static int octeon_eth_sysctl_pktbuf_num; 1644 1645 /* 1646 * Set up sysctl(3) MIB, hw.cnmac.*. 1647 */ 1648 SYSCTL_SETUP(sysctl_octeon_eth, "sysctl cnmac subtree setup") 1649 { 1650 int rc; 1651 int octeon_eth_sysctl_root_num; 1652 const struct sysctlnode *node; 1653 1654 if ((rc = sysctl_createv(clog, 0, NULL, NULL, 1655 0, CTLTYPE_NODE, "hw", NULL, 1656 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) { 1657 goto err; 1658 } 1659 1660 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1661 0, CTLTYPE_NODE, "cnmac", 1662 SYSCTL_DESCR("cnmac interface controls"), 1663 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) { 1664 goto err; 1665 } 1666 1667 octeon_eth_sysctl_root_num = node->sysctl_num; 1668 1669 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1670 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1671 CTLTYPE_INT, "pko_cmd_w0_n2", 1672 SYSCTL_DESCR("PKO command WORD0 N2 bit"), 1673 octeon_eth_sysctl_verify, 0, 1674 &octeon_eth_param_pko_cmd_w0_n2, 1675 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1676 CTL_EOL)) != 0) { 1677 goto err; 1678 } 1679 1680 octeon_eth_sysctl_pkocmdw0n2_num = node->sysctl_num; 1681 1682 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1683 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1684 CTLTYPE_INT, "pip_dyn_rs", 1685 SYSCTL_DESCR("PIP dynamic short in WQE"), 1686 octeon_eth_sysctl_verify, 0, 1687 &octeon_eth_param_pip_dyn_rs, 1688 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1689 CTL_EOL)) != 0) { 1690 goto err; 1691 } 1692 1693 octeon_eth_sysctl_pipdynrs_num = node->sysctl_num; 1694 1695 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1696 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1697 CTLTYPE_INT, "redir", 1698 SYSCTL_DESCR("input port redirection"), 1699 octeon_eth_sysctl_verify, 0, 1700 &octeon_eth_param_redir, 1701 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1702 CTL_EOL)) != 0) { 1703 goto err; 1704 } 1705 1706 octeon_eth_sysctl_redir_num = node->sysctl_num; 1707 1708 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1709 CTLFLAG_PERMANENT, 1710 CTLTYPE_INT, "pkt_pool", 1711 SYSCTL_DESCR("packet pool available"), 1712 octeon_eth_sysctl_pool, 0, NULL, 1713 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1714 CTL_EOL)) != 0) { 1715 goto err; 1716 } 1717 1718 octeon_eth_sysctl_pkt_pool_num = node->sysctl_num; 1719 1720 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1721 CTLFLAG_PERMANENT, 1722 CTLTYPE_INT, "wqe_pool", 1723 SYSCTL_DESCR("wqe pool available"), 1724 octeon_eth_sysctl_pool, 0, NULL, 1725 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1726 CTL_EOL)) != 0) { 1727 goto err; 1728 } 1729 1730 octeon_eth_sysctl_wqe_pool_num = node->sysctl_num; 1731 1732 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1733 CTLFLAG_PERMANENT, 1734 CTLTYPE_INT, "cmd_pool", 1735 SYSCTL_DESCR("cmd pool available"), 1736 octeon_eth_sysctl_pool, 0, NULL, 1737 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1738 CTL_EOL)) != 0) { 1739 goto err; 1740 } 1741 1742 octeon_eth_sysctl_cmd_pool_num = node->sysctl_num; 1743 1744 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1745 CTLFLAG_PERMANENT, 1746 CTLTYPE_INT, "sg_pool", 1747 SYSCTL_DESCR("sg pool available"), 1748 octeon_eth_sysctl_pool, 0, NULL, 1749 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1750 CTL_EOL)) != 0) { 1751 goto err; 1752 } 1753 1754 octeon_eth_sysctl_sg_pool_num = node->sysctl_num; 1755 1756 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1757 CTLFLAG_PERMANENT | CTLFLAG_READONLY, 1758 CTLTYPE_INT, "pktbuf", 1759 SYSCTL_DESCR("input packet buffer size on POW"), 1760 octeon_eth_sysctl_rd, 0, 1761 &octeon_eth_param_pktbuf, 1762 0, CTL_HW, octeon_eth_sysctl_root_num, CTL_CREATE, 1763 CTL_EOL)) != 0) { 1764 goto err; 1765 } 1766 1767 octeon_eth_sysctl_pktbuf_num = node->sysctl_num; 1768 1769 return; 1770 1771 err: 1772 aprint_error("%s: syctl_createv failed (rc = %d)\n", __func__, rc); 1773 } 1774 1775 static int 1776 octeon_eth_sysctl_verify(SYSCTLFN_ARGS) 1777 { 1778 int error, v; 1779 struct sysctlnode node; 1780 struct octeon_eth_softc *sc; 1781 int i; 1782 int s; 1783 1784 node = *rnode; 1785 v = *(int *)rnode->sysctl_data; 1786 node.sysctl_data = &v; 1787 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1788 if (error || newp == NULL) 1789 return error; 1790 1791 if (node.sysctl_num == octeon_eth_sysctl_pkocmdw0n2_num) { 1792 if (v < 0 || v > 1) 1793 return EINVAL; 1794 *(int *)rnode->sysctl_data = v; 1795 return 0; 1796 } 1797 1798 if (node.sysctl_num == octeon_eth_sysctl_pipdynrs_num) { 1799 if (v < 0 || v > 1) 1800 return EINVAL; 1801 *(int *)rnode->sysctl_data = v; 1802 s = splnet(); 1803 for (i = 0; i < 3/* XXX */; i++) { 1804 sc = octeon_eth_gsc[i]; /* XXX */ 1805 octeon_pip_prt_cfg_enable(sc->sc_pip, PIP_PRT_CFGN_DYN_RS, v); 1806 } 1807 splx(s); 1808 return 0; 1809 } 1810 1811 if (node.sysctl_num == octeon_eth_sysctl_redir_num) { 1812 if (v & ~((0x7 << (4 * 0)) | (0x7 << (4 * 1)) | (0x7 << (4 * 2)))) 1813 return EINVAL; 1814 *(int *)rnode->sysctl_data = v; 1815 s = splnet(); 1816 for (i = 0; i < 3/* XXX */; i++) { 1817 struct ifnet *ifp; 1818 1819 sc = octeon_eth_gsc[i]; /* XXX */ 1820 ifp = &sc->sc_ethercom.ec_if; 1821 1822 sc->sc_redir = (octeon_eth_param_redir >> (4 * i)) & 0x7; 1823 if (sc->sc_redir == 0) { 1824 if (ISSET(ifp->if_flags, IFF_PROMISC)) { 1825 CLR(ifp->if_flags, IFF_PROMISC); 1826 octeon_eth_mii_statchg(ifp); 1827 /* octeon_gmx_set_filter(sc->sc_gmx_port); */ 1828 } 1829 ifp->if_input = ether_input; 1830 } 1831 else { 1832 if (!ISSET(ifp->if_flags, IFF_PROMISC)) { 1833 SET(ifp->if_flags, IFF_PROMISC); 1834 octeon_eth_mii_statchg(ifp); 1835 /* octeon_gmx_set_filter(sc->sc_gmx_port); */ 1836 } 1837 ifp->if_input = octeon_eth_recv_redir; 1838 } 1839 } 1840 splx(s); 1841 return 0; 1842 } 1843 1844 return EINVAL; 1845 } 1846 1847 static int 1848 octeon_eth_sysctl_pool(SYSCTLFN_ARGS) 1849 { 1850 int error, newval = 0; 1851 struct sysctlnode node; 1852 int s; 1853 1854 node = *rnode; 1855 node.sysctl_data = &newval; 1856 s = splnet(); 1857 if (node.sysctl_num == octeon_eth_sysctl_pkt_pool_num) { 1858 error = octeon_fpa_available_fpa_pool(&newval, OCTEON_POOL_NO_PKT); 1859 } else if (node.sysctl_num == octeon_eth_sysctl_wqe_pool_num) { 1860 error = octeon_fpa_available_fpa_pool(&newval, OCTEON_POOL_NO_WQE); 1861 } else if (node.sysctl_num == octeon_eth_sysctl_cmd_pool_num) { 1862 error = octeon_fpa_available_fpa_pool(&newval, OCTEON_POOL_NO_CMD); 1863 } else if (node.sysctl_num == octeon_eth_sysctl_sg_pool_num) { 1864 error = octeon_fpa_available_fpa_pool(&newval, OCTEON_POOL_NO_SG); 1865 } else { 1866 splx(s); 1867 return EINVAL; 1868 } 1869 splx(s); 1870 if (error) 1871 return error; 1872 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1873 if (error || newp == NULL) 1874 return error; 1875 1876 return 0; 1877 } 1878 1879 static int 1880 octeon_eth_sysctl_rd(SYSCTLFN_ARGS) 1881 { 1882 int error, v; 1883 struct sysctlnode node; 1884 int s; 1885 1886 node = *rnode; 1887 v = *(int *)rnode->sysctl_data; 1888 node.sysctl_data = &v; 1889 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1890 if (error || newp != NULL) 1891 return error; 1892 1893 if (node.sysctl_num == octeon_eth_sysctl_pktbuf_num) { 1894 uint64_t tmp; 1895 int n; 1896 1897 s = splnet(); 1898 tmp = octeon_fpa_query(0); 1899 n = (int)tmp; 1900 splx(s); 1901 *(int *)rnode->sysctl_data = n; 1902 octeon_eth_param_pktbuf = n; 1903 *(int *)oldp = n; 1904 return 0; 1905 } 1906 1907 return EINVAL; 1908 } 1909
Indexes created Sat Sep 27 14:09:57 GMT 2025