sfxge_port.c revision 229613
1227569Sphilip/*- 2227569Sphilip * Copyright (c) 2010-2011 Solarflare Communications, Inc. 3227569Sphilip * All rights reserved. 4227569Sphilip * 5227569Sphilip * This software was developed in part by Philip Paeps under contract for 6227569Sphilip * Solarflare Communications, Inc. 7227569Sphilip * 8227569Sphilip * Redistribution and use in source and binary forms, with or without 9227569Sphilip * modification, are permitted provided that the following conditions 10227569Sphilip * are met: 11227569Sphilip * 1. Redistributions of source code must retain the above copyright 12227569Sphilip * notice, this list of conditions and the following disclaimer. 13227569Sphilip * 2. Redistributions in binary form must reproduce the above copyright 14227569Sphilip * notice, this list of conditions and the following disclaimer in the 15227569Sphilip * documentation and/or other materials provided with the distribution. 16227569Sphilip * 17227569Sphilip * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18227569Sphilip * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19227569Sphilip * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20227569Sphilip * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21227569Sphilip * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22227569Sphilip * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23227569Sphilip * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24227569Sphilip * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25227569Sphilip * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26227569Sphilip * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27227569Sphilip * SUCH DAMAGE. 28227569Sphilip */ 29227569Sphilip 30227569Sphilip#include <sys/cdefs.h> 31227569Sphilip__FBSDID("$FreeBSD: head/sys/dev/sfxge/sfxge_port.c 229613 2012-01-05 18:32:37Z jhb $"); 32227569Sphilip 33227569Sphilip#include <sys/types.h> 34227699Sphilip#include <sys/limits.h> 35227569Sphilip#include <net/ethernet.h> 36227569Sphilip#include <net/if_dl.h> 37227569Sphilip 38227569Sphilip#include "common/efx.h" 39227569Sphilip 40227569Sphilip#include "sfxge.h" 41227569Sphilip 42227569Sphilipstatic int 43227569Sphilipsfxge_mac_stat_update(struct sfxge_softc *sc) 44227569Sphilip{ 45227569Sphilip struct sfxge_port *port = &sc->port; 46227569Sphilip efsys_mem_t *esmp = &(port->mac_stats.dma_buf); 47227569Sphilip clock_t now; 48227569Sphilip unsigned int count; 49227569Sphilip int rc; 50227569Sphilip 51227569Sphilip mtx_lock(&port->lock); 52227569Sphilip 53227569Sphilip if (port->init_state != SFXGE_PORT_STARTED) { 54227569Sphilip rc = 0; 55227569Sphilip goto out; 56227569Sphilip } 57227569Sphilip 58227569Sphilip now = ticks; 59227569Sphilip if (now - port->mac_stats.update_time < hz) { 60227569Sphilip rc = 0; 61227569Sphilip goto out; 62227569Sphilip } 63227569Sphilip 64227569Sphilip port->mac_stats.update_time = now; 65227569Sphilip 66227569Sphilip /* If we're unlucky enough to read statistics wduring the DMA, wait 67227569Sphilip * up to 10ms for it to finish (typically takes <500us) */ 68227569Sphilip for (count = 0; count < 100; ++count) { 69227569Sphilip EFSYS_PROBE1(wait, unsigned int, count); 70227569Sphilip 71227569Sphilip /* Synchronize the DMA memory for reading */ 72227569Sphilip bus_dmamap_sync(esmp->esm_tag, esmp->esm_map, 73227569Sphilip BUS_DMASYNC_POSTREAD); 74227569Sphilip 75227569Sphilip /* Try to update the cached counters */ 76227569Sphilip if ((rc = efx_mac_stats_update(sc->enp, esmp, 77227569Sphilip port->mac_stats.decode_buf, NULL)) != EAGAIN) 78227569Sphilip goto out; 79227569Sphilip 80227569Sphilip DELAY(100); 81227569Sphilip } 82227569Sphilip 83227569Sphilip rc = ETIMEDOUT; 84227569Sphilipout: 85227569Sphilip mtx_unlock(&port->lock); 86227569Sphilip return rc; 87227569Sphilip} 88227569Sphilip 89227569Sphilipstatic int 90227569Sphilipsfxge_mac_stat_handler(SYSCTL_HANDLER_ARGS) 91227569Sphilip{ 92227569Sphilip struct sfxge_softc *sc = arg1; 93227569Sphilip unsigned int id = arg2; 94227569Sphilip int rc; 95227569Sphilip 96227569Sphilip if ((rc = sfxge_mac_stat_update(sc)) != 0) 97227569Sphilip return rc; 98227569Sphilip 99227569Sphilip return SYSCTL_OUT(req, 100227569Sphilip (uint64_t *)sc->port.mac_stats.decode_buf + id, 101227569Sphilip sizeof(uint64_t)); 102227569Sphilip} 103227569Sphilip 104227569Sphilipstatic void 105227569Sphilipsfxge_mac_stat_init(struct sfxge_softc *sc) 106227569Sphilip{ 107227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 108227569Sphilip struct sysctl_oid_list *stat_list; 109227569Sphilip unsigned int id; 110227569Sphilip const char *name; 111227569Sphilip 112227569Sphilip stat_list = SYSCTL_CHILDREN(sc->stats_node); 113227569Sphilip 114227569Sphilip /* Initialise the named stats */ 115227569Sphilip for (id = 0; id < EFX_MAC_NSTATS; id++) { 116227569Sphilip name = efx_mac_stat_name(sc->enp, id); 117227569Sphilip SYSCTL_ADD_PROC( 118227569Sphilip ctx, stat_list, 119227569Sphilip OID_AUTO, name, CTLTYPE_U64|CTLFLAG_RD, 120227569Sphilip sc, id, sfxge_mac_stat_handler, "Q", 121227569Sphilip ""); 122227569Sphilip } 123227569Sphilip} 124227569Sphilip 125227569Sphilip#ifdef SFXGE_HAVE_PAUSE_MEDIAOPTS 126227569Sphilip 127227569Sphilipstatic unsigned int 128227569Sphilipsfxge_port_wanted_fc(struct sfxge_softc *sc) 129227569Sphilip{ 130227569Sphilip struct ifmedia_entry *ifm = sc->media.ifm_cur; 131227569Sphilip 132227569Sphilip if (ifm->ifm_media == (IFM_ETHER | IFM_AUTO)) 133227569Sphilip return EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 134227569Sphilip return ((ifm->ifm_media & IFM_ETH_RXPAUSE) ? EFX_FCNTL_RESPOND : 0) | 135227569Sphilip ((ifm->ifm_media & IFM_ETH_TXPAUSE) ? EFX_FCNTL_GENERATE : 0); 136227569Sphilip} 137227569Sphilip 138227569Sphilipstatic unsigned int 139227569Sphilipsfxge_port_link_fc_ifm(struct sfxge_softc *sc) 140227569Sphilip{ 141227569Sphilip unsigned int wanted_fc, link_fc; 142227569Sphilip 143227569Sphilip efx_mac_fcntl_get(sc->enp, &wanted_fc, &link_fc); 144227569Sphilip return ((link_fc & EFX_FCNTL_RESPOND) ? IFM_ETH_RXPAUSE : 0) | 145227569Sphilip ((link_fc & EFX_FCNTL_GENERATE) ? IFM_ETH_TXPAUSE : 0); 146227569Sphilip} 147227569Sphilip 148227569Sphilip#else /* !SFXGE_HAVE_PAUSE_MEDIAOPTS */ 149227569Sphilip 150227569Sphilipstatic unsigned int 151227569Sphilipsfxge_port_wanted_fc(struct sfxge_softc *sc) 152227569Sphilip{ 153227569Sphilip return sc->port.wanted_fc; 154227569Sphilip} 155227569Sphilip 156227569Sphilipstatic unsigned int 157227569Sphilipsfxge_port_link_fc_ifm(struct sfxge_softc *sc) 158227569Sphilip{ 159227569Sphilip return 0; 160227569Sphilip} 161227569Sphilip 162227569Sphilipstatic int 163227569Sphilipsfxge_port_wanted_fc_handler(SYSCTL_HANDLER_ARGS) 164227569Sphilip{ 165227569Sphilip struct sfxge_softc *sc; 166227569Sphilip struct sfxge_port *port; 167227569Sphilip unsigned int fcntl; 168227569Sphilip int error; 169227569Sphilip 170227569Sphilip sc = arg1; 171227569Sphilip port = &sc->port; 172227569Sphilip 173227569Sphilip mtx_lock(&port->lock); 174227569Sphilip 175227569Sphilip if (req->newptr) { 176227569Sphilip if ((error = SYSCTL_IN(req, &fcntl, sizeof(fcntl))) != 0) 177227569Sphilip goto out; 178227569Sphilip 179227569Sphilip if (port->wanted_fc == fcntl) 180227569Sphilip goto out; 181227569Sphilip 182227569Sphilip port->wanted_fc = fcntl; 183227569Sphilip 184227569Sphilip if (port->init_state != SFXGE_PORT_STARTED) 185227569Sphilip goto out; 186227569Sphilip 187227569Sphilip error = efx_mac_fcntl_set(sc->enp, port->wanted_fc, B_TRUE); 188227569Sphilip } else { 189227569Sphilip error = SYSCTL_OUT(req, &port->wanted_fc, 190227569Sphilip sizeof(port->wanted_fc)); 191227569Sphilip } 192227569Sphilip 193227569Sphilipout: 194227569Sphilip mtx_unlock(&port->lock); 195227569Sphilip 196227569Sphilip return (error); 197227569Sphilip} 198227569Sphilip 199227569Sphilipstatic int 200227569Sphilipsfxge_port_link_fc_handler(SYSCTL_HANDLER_ARGS) 201227569Sphilip{ 202227569Sphilip struct sfxge_softc *sc; 203227569Sphilip struct sfxge_port *port; 204227569Sphilip unsigned int wanted_fc, link_fc; 205227569Sphilip int error; 206227569Sphilip 207227569Sphilip sc = arg1; 208227569Sphilip port = &sc->port; 209227569Sphilip 210227569Sphilip mtx_lock(&port->lock); 211227569Sphilip if (port->init_state == SFXGE_PORT_STARTED && SFXGE_LINK_UP(sc)) 212227569Sphilip efx_mac_fcntl_get(sc->enp, &wanted_fc, &link_fc); 213227569Sphilip else 214227569Sphilip link_fc = 0; 215227569Sphilip error = SYSCTL_OUT(req, &link_fc, sizeof(link_fc)); 216227569Sphilip mtx_unlock(&port->lock); 217227569Sphilip 218227569Sphilip return (error); 219227569Sphilip} 220227569Sphilip 221227569Sphilip#endif /* SFXGE_HAVE_PAUSE_MEDIAOPTS */ 222227569Sphilip 223227699Sphilipstatic const u_long sfxge_link_baudrate[EFX_LINK_NMODES] = { 224227699Sphilip [EFX_LINK_10HDX] = IF_Mbps(10), 225227699Sphilip [EFX_LINK_10FDX] = IF_Mbps(10), 226227699Sphilip [EFX_LINK_100HDX] = IF_Mbps(100), 227227699Sphilip [EFX_LINK_100FDX] = IF_Mbps(100), 228227699Sphilip [EFX_LINK_1000HDX] = IF_Gbps(1), 229227699Sphilip [EFX_LINK_1000FDX] = IF_Gbps(1), 230227699Sphilip [EFX_LINK_10000FDX] = MIN(IF_Gbps(10ULL), ULONG_MAX), 231227569Sphilip}; 232227569Sphilip 233227569Sphilipvoid 234227569Sphilipsfxge_mac_link_update(struct sfxge_softc *sc, efx_link_mode_t mode) 235227569Sphilip{ 236227569Sphilip struct sfxge_port *port; 237227569Sphilip int link_state; 238227569Sphilip 239227569Sphilip port = &sc->port; 240227569Sphilip 241227569Sphilip if (port->link_mode == mode) 242227569Sphilip return; 243227569Sphilip 244227569Sphilip port->link_mode = mode; 245227569Sphilip 246227569Sphilip /* Push link state update to the OS */ 247227569Sphilip link_state = (port->link_mode != EFX_LINK_DOWN ? 248227569Sphilip LINK_STATE_UP : LINK_STATE_DOWN); 249227699Sphilip sc->ifnet->if_baudrate = sfxge_link_baudrate[port->link_mode]; 250227569Sphilip if_link_state_change(sc->ifnet, link_state); 251227569Sphilip} 252227569Sphilip 253227569Sphilipstatic void 254227569Sphilipsfxge_mac_poll_work(void *arg, int npending) 255227569Sphilip{ 256227569Sphilip struct sfxge_softc *sc; 257227569Sphilip efx_nic_t *enp; 258227569Sphilip struct sfxge_port *port; 259227569Sphilip efx_link_mode_t mode; 260227569Sphilip 261227569Sphilip sc = (struct sfxge_softc *)arg; 262227569Sphilip enp = sc->enp; 263227569Sphilip port = &sc->port; 264227569Sphilip 265227569Sphilip mtx_lock(&port->lock); 266227569Sphilip 267227569Sphilip if (port->init_state != SFXGE_PORT_STARTED) 268227569Sphilip goto done; 269227569Sphilip 270227569Sphilip /* This may sleep waiting for MCDI completion */ 271227569Sphilip (void)efx_port_poll(enp, &mode); 272227569Sphilip sfxge_mac_link_update(sc, mode); 273227569Sphilip 274227569Sphilipdone: 275227569Sphilip mtx_unlock(&port->lock); 276227569Sphilip} 277227569Sphilip 278227569Sphilipstatic int 279227569Sphilipsfxge_mac_filter_set_locked(struct sfxge_softc *sc) 280227569Sphilip{ 281227569Sphilip unsigned int bucket[EFX_MAC_HASH_BITS]; 282227569Sphilip struct ifnet *ifp = sc->ifnet; 283227569Sphilip struct ifmultiaddr *ifma; 284227569Sphilip struct sockaddr_dl *sa; 285227569Sphilip efx_nic_t *enp = sc->enp; 286227569Sphilip unsigned int index; 287227569Sphilip int rc; 288227569Sphilip 289227569Sphilip /* Set promisc-unicast and broadcast filter bits */ 290227569Sphilip if ((rc = efx_mac_filter_set(enp, !!(ifp->if_flags & IFF_PROMISC), 291227569Sphilip B_TRUE)) != 0) 292227569Sphilip return rc; 293227569Sphilip 294227569Sphilip /* Set multicast hash filter */ 295227569Sphilip if (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) { 296227569Sphilip for (index = 0; index < EFX_MAC_HASH_BITS; index++) 297227569Sphilip bucket[index] = 1; 298227569Sphilip } else { 299227569Sphilip /* Broadcast frames also go through the multicast 300227569Sphilip * filter, and the broadcast address hashes to 301227569Sphilip * 0xff. */ 302227569Sphilip bucket[0xff] = 1; 303227569Sphilip 304229613Sjhb if_maddr_rlock(ifp); 305227569Sphilip TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 306227569Sphilip if (ifma->ifma_addr->sa_family == AF_LINK) { 307227569Sphilip sa = (struct sockaddr_dl *)ifma->ifma_addr; 308227569Sphilip index = ether_crc32_le(LLADDR(sa), 6) & 0xff; 309227569Sphilip bucket[index] = 1; 310227569Sphilip } 311227569Sphilip } 312229613Sjhb if_maddr_runlock(ifp); 313227569Sphilip } 314227569Sphilip return efx_mac_hash_set(enp, bucket); 315227569Sphilip} 316227569Sphilip 317227569Sphilipint 318227569Sphilipsfxge_mac_filter_set(struct sfxge_softc *sc) 319227569Sphilip{ 320227569Sphilip struct sfxge_port *port = &sc->port; 321227569Sphilip int rc; 322227569Sphilip 323227569Sphilip KASSERT(port->init_state == SFXGE_PORT_STARTED, ("port not started")); 324227569Sphilip 325227569Sphilip mtx_lock(&port->lock); 326227569Sphilip rc = sfxge_mac_filter_set_locked(sc); 327227569Sphilip mtx_unlock(&port->lock); 328227569Sphilip return rc; 329227569Sphilip} 330227569Sphilip 331227569Sphilipvoid 332227569Sphilipsfxge_port_stop(struct sfxge_softc *sc) 333227569Sphilip{ 334227569Sphilip struct sfxge_port *port; 335227569Sphilip efx_nic_t *enp; 336227569Sphilip 337227569Sphilip port = &sc->port; 338227569Sphilip enp = sc->enp; 339227569Sphilip 340227569Sphilip mtx_lock(&port->lock); 341227569Sphilip 342227569Sphilip KASSERT(port->init_state == SFXGE_PORT_STARTED, 343227569Sphilip ("port not started")); 344227569Sphilip 345227569Sphilip port->init_state = SFXGE_PORT_INITIALIZED; 346227569Sphilip 347227569Sphilip port->mac_stats.update_time = 0; 348227569Sphilip 349227569Sphilip /* This may call MCDI */ 350227569Sphilip (void)efx_mac_drain(enp, B_TRUE); 351227569Sphilip 352227569Sphilip (void)efx_mac_stats_periodic(enp, &port->mac_stats.dma_buf, 0, B_FALSE); 353227569Sphilip 354227569Sphilip port->link_mode = EFX_LINK_UNKNOWN; 355227569Sphilip 356227569Sphilip /* Destroy the common code port object. */ 357227569Sphilip efx_port_fini(sc->enp); 358227569Sphilip 359227569Sphilip mtx_unlock(&port->lock); 360227569Sphilip} 361227569Sphilip 362227569Sphilipint 363227569Sphilipsfxge_port_start(struct sfxge_softc *sc) 364227569Sphilip{ 365227569Sphilip uint8_t mac_addr[ETHER_ADDR_LEN]; 366227569Sphilip struct ifnet *ifp = sc->ifnet; 367227569Sphilip struct sfxge_port *port; 368227569Sphilip efx_nic_t *enp; 369227569Sphilip size_t pdu; 370227569Sphilip int rc; 371227569Sphilip 372227569Sphilip port = &sc->port; 373227569Sphilip enp = sc->enp; 374227569Sphilip 375227569Sphilip mtx_lock(&port->lock); 376227569Sphilip 377227569Sphilip KASSERT(port->init_state == SFXGE_PORT_INITIALIZED, 378227569Sphilip ("port not initialized")); 379227569Sphilip 380227569Sphilip /* Initialize the port object in the common code. */ 381227569Sphilip if ((rc = efx_port_init(sc->enp)) != 0) 382227569Sphilip goto fail; 383227569Sphilip 384227569Sphilip /* Set the SDU */ 385227569Sphilip pdu = EFX_MAC_PDU(ifp->if_mtu); 386227569Sphilip if ((rc = efx_mac_pdu_set(enp, pdu)) != 0) 387227569Sphilip goto fail2; 388227569Sphilip 389227569Sphilip if ((rc = efx_mac_fcntl_set(enp, sfxge_port_wanted_fc(sc), B_TRUE)) 390227569Sphilip != 0) 391227569Sphilip goto fail2; 392227569Sphilip 393227569Sphilip /* Set the unicast address */ 394229613Sjhb if_addr_rlock(ifp); 395227569Sphilip bcopy(LLADDR((struct sockaddr_dl *)ifp->if_addr->ifa_addr), 396227569Sphilip mac_addr, sizeof(mac_addr)); 397229613Sjhb if_addr_runlock(ifp); 398227569Sphilip if ((rc = efx_mac_addr_set(enp, mac_addr)) != 0) 399227569Sphilip goto fail; 400227569Sphilip 401227569Sphilip sfxge_mac_filter_set_locked(sc); 402227569Sphilip 403227569Sphilip /* Update MAC stats by DMA every second */ 404227569Sphilip if ((rc = efx_mac_stats_periodic(enp, &port->mac_stats.dma_buf, 405227569Sphilip 1000, B_FALSE)) != 0) 406227569Sphilip goto fail2; 407227569Sphilip 408227569Sphilip if ((rc = efx_mac_drain(enp, B_FALSE)) != 0) 409227569Sphilip goto fail3; 410227569Sphilip 411227569Sphilip if ((rc = efx_phy_adv_cap_set(sc->enp, sc->media.ifm_cur->ifm_data)) 412227569Sphilip != 0) 413227569Sphilip goto fail4; 414227569Sphilip 415227569Sphilip port->init_state = SFXGE_PORT_STARTED; 416227569Sphilip 417227569Sphilip /* Single poll in case there were missing initial events */ 418227569Sphilip mtx_unlock(&port->lock); 419227569Sphilip sfxge_mac_poll_work(sc, 0); 420227569Sphilip 421227569Sphilip return (0); 422227569Sphilip 423227569Sphilipfail4: 424227569Sphilip (void)efx_mac_drain(enp, B_TRUE); 425227569Sphilipfail3: 426227569Sphilip (void)efx_mac_stats_periodic(enp, &port->mac_stats.dma_buf, 427227569Sphilip 0, B_FALSE); 428227569Sphilipfail2: 429227569Sphilip efx_port_fini(sc->enp); 430227569Sphilipfail: 431227569Sphilip mtx_unlock(&port->lock); 432227569Sphilip 433227569Sphilip return (rc); 434227569Sphilip} 435227569Sphilip 436227569Sphilipstatic int 437227569Sphilipsfxge_phy_stat_update(struct sfxge_softc *sc) 438227569Sphilip{ 439227569Sphilip struct sfxge_port *port = &sc->port; 440227569Sphilip efsys_mem_t *esmp = &port->phy_stats.dma_buf; 441227569Sphilip clock_t now; 442227569Sphilip unsigned int count; 443227569Sphilip int rc; 444227569Sphilip 445227569Sphilip mtx_lock(&port->lock); 446227569Sphilip 447227569Sphilip if (port->init_state != SFXGE_PORT_STARTED) { 448227569Sphilip rc = 0; 449227569Sphilip goto out; 450227569Sphilip } 451227569Sphilip 452227569Sphilip now = ticks; 453227569Sphilip if (now - port->phy_stats.update_time < hz) { 454227569Sphilip rc = 0; 455227569Sphilip goto out; 456227569Sphilip } 457227569Sphilip 458227569Sphilip port->phy_stats.update_time = now; 459227569Sphilip 460227569Sphilip /* If we're unlucky enough to read statistics wduring the DMA, wait 461227569Sphilip * up to 10ms for it to finish (typically takes <500us) */ 462227569Sphilip for (count = 0; count < 100; ++count) { 463227569Sphilip EFSYS_PROBE1(wait, unsigned int, count); 464227569Sphilip 465227569Sphilip /* Synchronize the DMA memory for reading */ 466227569Sphilip bus_dmamap_sync(esmp->esm_tag, esmp->esm_map, 467227569Sphilip BUS_DMASYNC_POSTREAD); 468227569Sphilip 469227569Sphilip /* Try to update the cached counters */ 470227569Sphilip if ((rc = efx_phy_stats_update(sc->enp, esmp, 471227569Sphilip port->phy_stats.decode_buf)) != EAGAIN) 472227569Sphilip goto out; 473227569Sphilip 474227569Sphilip DELAY(100); 475227569Sphilip } 476227569Sphilip 477227569Sphilip rc = ETIMEDOUT; 478227569Sphilipout: 479227569Sphilip mtx_unlock(&port->lock); 480227569Sphilip return rc; 481227569Sphilip} 482227569Sphilip 483227569Sphilipstatic int 484227569Sphilipsfxge_phy_stat_handler(SYSCTL_HANDLER_ARGS) 485227569Sphilip{ 486227569Sphilip struct sfxge_softc *sc = arg1; 487227569Sphilip unsigned int id = arg2; 488227569Sphilip int rc; 489227569Sphilip 490227569Sphilip if ((rc = sfxge_phy_stat_update(sc)) != 0) 491227569Sphilip return rc; 492227569Sphilip 493227569Sphilip return SYSCTL_OUT(req, 494227569Sphilip (uint32_t *)sc->port.phy_stats.decode_buf + id, 495227569Sphilip sizeof(uint32_t)); 496227569Sphilip} 497227569Sphilip 498227569Sphilipstatic void 499227569Sphilipsfxge_phy_stat_init(struct sfxge_softc *sc) 500227569Sphilip{ 501227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 502227569Sphilip struct sysctl_oid_list *stat_list; 503227569Sphilip unsigned int id; 504227569Sphilip const char *name; 505227569Sphilip uint64_t stat_mask = efx_nic_cfg_get(sc->enp)->enc_phy_stat_mask; 506227569Sphilip 507227569Sphilip stat_list = SYSCTL_CHILDREN(sc->stats_node); 508227569Sphilip 509227569Sphilip /* Initialise the named stats */ 510227569Sphilip for (id = 0; id < EFX_PHY_NSTATS; id++) { 511227569Sphilip if (!(stat_mask & ((uint64_t)1 << id))) 512227569Sphilip continue; 513227569Sphilip name = efx_phy_stat_name(sc->enp, id); 514227569Sphilip SYSCTL_ADD_PROC( 515227569Sphilip ctx, stat_list, 516227569Sphilip OID_AUTO, name, CTLTYPE_UINT|CTLFLAG_RD, 517227569Sphilip sc, id, sfxge_phy_stat_handler, 518227569Sphilip id == EFX_PHY_STAT_OUI ? "IX" : "IU", 519227569Sphilip ""); 520227569Sphilip } 521227569Sphilip} 522227569Sphilip 523227569Sphilipvoid 524227569Sphilipsfxge_port_fini(struct sfxge_softc *sc) 525227569Sphilip{ 526227569Sphilip struct sfxge_port *port; 527227569Sphilip efsys_mem_t *esmp; 528227569Sphilip 529227569Sphilip port = &sc->port; 530227569Sphilip esmp = &port->mac_stats.dma_buf; 531227569Sphilip 532227569Sphilip KASSERT(port->init_state == SFXGE_PORT_INITIALIZED, 533227569Sphilip ("Port not initialized")); 534227569Sphilip 535227569Sphilip port->init_state = SFXGE_PORT_UNINITIALIZED; 536227569Sphilip 537227569Sphilip port->link_mode = EFX_LINK_UNKNOWN; 538227569Sphilip 539227569Sphilip /* Finish with PHY DMA memory */ 540227569Sphilip sfxge_dma_free(&port->phy_stats.dma_buf); 541227569Sphilip free(port->phy_stats.decode_buf, M_SFXGE); 542227569Sphilip 543227569Sphilip sfxge_dma_free(esmp); 544227569Sphilip free(port->mac_stats.decode_buf, M_SFXGE); 545227569Sphilip 546227569Sphilip mtx_destroy(&port->lock); 547227569Sphilip 548227569Sphilip port->sc = NULL; 549227569Sphilip} 550227569Sphilip 551227569Sphilipint 552227569Sphilipsfxge_port_init(struct sfxge_softc *sc) 553227569Sphilip{ 554227569Sphilip struct sfxge_port *port; 555227569Sphilip struct sysctl_ctx_list *sysctl_ctx; 556227569Sphilip struct sysctl_oid *sysctl_tree; 557227569Sphilip efsys_mem_t *mac_stats_buf, *phy_stats_buf; 558227569Sphilip int rc; 559227569Sphilip 560227569Sphilip port = &sc->port; 561227569Sphilip mac_stats_buf = &port->mac_stats.dma_buf; 562227569Sphilip phy_stats_buf = &port->phy_stats.dma_buf; 563227569Sphilip 564227569Sphilip KASSERT(port->init_state == SFXGE_PORT_UNINITIALIZED, 565227569Sphilip ("Port already initialized")); 566227569Sphilip 567227569Sphilip port->sc = sc; 568227569Sphilip 569227569Sphilip mtx_init(&port->lock, "sfxge_port", NULL, MTX_DEF); 570227569Sphilip 571227569Sphilip port->phy_stats.decode_buf = malloc(EFX_PHY_NSTATS * sizeof(uint32_t), 572227569Sphilip M_SFXGE, M_WAITOK | M_ZERO); 573227569Sphilip if ((rc = sfxge_dma_alloc(sc, EFX_PHY_STATS_SIZE, phy_stats_buf)) != 0) 574227569Sphilip goto fail; 575227569Sphilip bzero(phy_stats_buf->esm_base, phy_stats_buf->esm_size); 576227569Sphilip sfxge_phy_stat_init(sc); 577227569Sphilip 578227569Sphilip sysctl_ctx = device_get_sysctl_ctx(sc->dev); 579227569Sphilip sysctl_tree = device_get_sysctl_tree(sc->dev); 580227569Sphilip 581227569Sphilip#ifndef SFXGE_HAVE_PAUSE_MEDIAOPTS 582227569Sphilip /* If flow control cannot be configured or reported through 583227569Sphilip * ifmedia, provide sysctls for it. */ 584227569Sphilip port->wanted_fc = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 585227569Sphilip SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, 586227569Sphilip "wanted_fc", CTLTYPE_UINT|CTLFLAG_RW, sc, 0, 587227569Sphilip sfxge_port_wanted_fc_handler, "IU", "wanted flow control mode"); 588227569Sphilip SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, 589227569Sphilip "link_fc", CTLTYPE_UINT|CTLFLAG_RD, sc, 0, 590227569Sphilip sfxge_port_link_fc_handler, "IU", "link flow control mode"); 591227569Sphilip#endif 592227569Sphilip 593227569Sphilip port->mac_stats.decode_buf = malloc(EFX_MAC_NSTATS * sizeof(uint64_t), 594227569Sphilip M_SFXGE, M_WAITOK | M_ZERO); 595227569Sphilip if ((rc = sfxge_dma_alloc(sc, EFX_MAC_STATS_SIZE, mac_stats_buf)) != 0) 596227569Sphilip goto fail2; 597227569Sphilip bzero(mac_stats_buf->esm_base, mac_stats_buf->esm_size); 598227569Sphilip sfxge_mac_stat_init(sc); 599227569Sphilip 600227569Sphilip port->init_state = SFXGE_PORT_INITIALIZED; 601227569Sphilip 602227569Sphilip return (0); 603227569Sphilip 604227569Sphilipfail2: 605227569Sphilip free(port->mac_stats.decode_buf, M_SFXGE); 606227569Sphilip sfxge_dma_free(phy_stats_buf); 607227569Sphilipfail: 608227569Sphilip free(port->phy_stats.decode_buf, M_SFXGE); 609227569Sphilip (void)mtx_destroy(&port->lock); 610227569Sphilip port->sc = NULL; 611227569Sphilip return rc; 612227569Sphilip} 613227569Sphilip 614227569Sphilipstatic int sfxge_link_mode[EFX_PHY_MEDIA_NTYPES][EFX_LINK_NMODES] = { 615227569Sphilip [EFX_PHY_MEDIA_CX4] = { 616227569Sphilip [EFX_LINK_10000FDX] = IFM_ETHER | IFM_FDX | IFM_10G_CX4, 617227569Sphilip }, 618227569Sphilip [EFX_PHY_MEDIA_KX4] = { 619227569Sphilip [EFX_LINK_10000FDX] = IFM_ETHER | IFM_FDX | IFM_10G_KX4, 620227569Sphilip }, 621227569Sphilip [EFX_PHY_MEDIA_XFP] = { 622227569Sphilip /* Don't know the module type, but assume SR for now. */ 623227569Sphilip [EFX_LINK_10000FDX] = IFM_ETHER | IFM_FDX | IFM_10G_SR, 624227569Sphilip }, 625227569Sphilip [EFX_PHY_MEDIA_SFP_PLUS] = { 626227569Sphilip /* Don't know the module type, but assume SX/SR for now. */ 627227569Sphilip [EFX_LINK_1000FDX] = IFM_ETHER | IFM_FDX | IFM_1000_SX, 628227569Sphilip [EFX_LINK_10000FDX] = IFM_ETHER | IFM_FDX | IFM_10G_SR, 629227569Sphilip }, 630227569Sphilip [EFX_PHY_MEDIA_BASE_T] = { 631227569Sphilip [EFX_LINK_10HDX] = IFM_ETHER | IFM_HDX | IFM_10_T, 632227569Sphilip [EFX_LINK_10FDX] = IFM_ETHER | IFM_FDX | IFM_10_T, 633227569Sphilip [EFX_LINK_100HDX] = IFM_ETHER | IFM_HDX | IFM_100_TX, 634227569Sphilip [EFX_LINK_100FDX] = IFM_ETHER | IFM_FDX | IFM_100_TX, 635227569Sphilip [EFX_LINK_1000HDX] = IFM_ETHER | IFM_HDX | IFM_1000_T, 636227569Sphilip [EFX_LINK_1000FDX] = IFM_ETHER | IFM_FDX | IFM_1000_T, 637227569Sphilip [EFX_LINK_10000FDX] = IFM_ETHER | IFM_FDX | IFM_10G_T, 638227569Sphilip }, 639227569Sphilip}; 640227569Sphilip 641227569Sphilipstatic void 642227569Sphilipsfxge_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 643227569Sphilip{ 644227569Sphilip struct sfxge_softc *sc; 645227569Sphilip efx_phy_media_type_t medium_type; 646227569Sphilip efx_link_mode_t mode; 647227569Sphilip 648227569Sphilip sc = ifp->if_softc; 649227569Sphilip sx_xlock(&sc->softc_lock); 650227569Sphilip 651227569Sphilip ifmr->ifm_status = IFM_AVALID; 652227569Sphilip ifmr->ifm_active = IFM_ETHER; 653227569Sphilip 654227569Sphilip if (SFXGE_RUNNING(sc) && SFXGE_LINK_UP(sc)) { 655227569Sphilip ifmr->ifm_status |= IFM_ACTIVE; 656227569Sphilip 657227569Sphilip efx_phy_media_type_get(sc->enp, &medium_type); 658227569Sphilip mode = sc->port.link_mode; 659227569Sphilip ifmr->ifm_active |= sfxge_link_mode[medium_type][mode]; 660227569Sphilip ifmr->ifm_active |= sfxge_port_link_fc_ifm(sc); 661227569Sphilip } 662227569Sphilip 663227569Sphilip sx_xunlock(&sc->softc_lock); 664227569Sphilip} 665227569Sphilip 666227569Sphilipstatic int 667227569Sphilipsfxge_media_change(struct ifnet *ifp) 668227569Sphilip{ 669227569Sphilip struct sfxge_softc *sc; 670227569Sphilip struct ifmedia_entry *ifm; 671227569Sphilip int rc; 672227569Sphilip 673227569Sphilip sc = ifp->if_softc; 674227569Sphilip ifm = sc->media.ifm_cur; 675227569Sphilip 676227569Sphilip sx_xlock(&sc->softc_lock); 677227569Sphilip 678227569Sphilip if (!SFXGE_RUNNING(sc)) { 679227569Sphilip rc = 0; 680227569Sphilip goto out; 681227569Sphilip } 682227569Sphilip 683227569Sphilip rc = efx_mac_fcntl_set(sc->enp, sfxge_port_wanted_fc(sc), B_TRUE); 684227569Sphilip if (rc != 0) 685227569Sphilip goto out; 686227569Sphilip 687227569Sphilip rc = efx_phy_adv_cap_set(sc->enp, ifm->ifm_data); 688227569Sphilipout: 689227569Sphilip sx_xunlock(&sc->softc_lock); 690227569Sphilip 691227569Sphilip return rc; 692227569Sphilip} 693227569Sphilip 694227569Sphilipint sfxge_port_ifmedia_init(struct sfxge_softc *sc) 695227569Sphilip{ 696227569Sphilip efx_phy_media_type_t medium_type; 697227569Sphilip uint32_t cap_mask, mode_cap_mask; 698227569Sphilip efx_link_mode_t mode; 699227569Sphilip int mode_ifm, best_mode_ifm = 0; 700227569Sphilip int rc; 701227569Sphilip 702227569Sphilip /* We need port state to initialise the ifmedia list. */ 703227569Sphilip if ((rc = efx_nic_init(sc->enp)) != 0) 704227569Sphilip goto out; 705227569Sphilip if ((rc = efx_port_init(sc->enp)) != 0) 706227569Sphilip goto out2; 707227569Sphilip 708227569Sphilip /* 709227569Sphilip * Register ifconfig callbacks for querying and setting the 710227569Sphilip * link mode and link status. 711227569Sphilip */ 712227569Sphilip ifmedia_init(&sc->media, IFM_IMASK, sfxge_media_change, 713227569Sphilip sfxge_media_status); 714227569Sphilip 715227569Sphilip /* 716227569Sphilip * Map firmware medium type and capabilities to ifmedia types. 717227569Sphilip * ifmedia does not distinguish between forcing the link mode 718227569Sphilip * and disabling auto-negotiation. 1000BASE-T and 10GBASE-T 719227569Sphilip * require AN even if only one link mode is enabled, and for 720227569Sphilip * 100BASE-TX it is useful even if the link mode is forced. 721227569Sphilip * Therefore we never disable auto-negotiation. 722227569Sphilip * 723227569Sphilip * Also enable and advertise flow control by default. 724227569Sphilip */ 725227569Sphilip 726227569Sphilip efx_phy_media_type_get(sc->enp, &medium_type); 727227569Sphilip efx_phy_adv_cap_get(sc->enp, EFX_PHY_CAP_PERM, &cap_mask); 728227569Sphilip 729227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_10HDX == EFX_PHY_CAP_10HDX + 1); 730227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_10FDX == EFX_PHY_CAP_10FDX + 1); 731227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_100HDX == EFX_PHY_CAP_100HDX + 1); 732227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_100FDX == EFX_PHY_CAP_100FDX + 1); 733227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_1000HDX == EFX_PHY_CAP_1000HDX + 1); 734227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_1000FDX == EFX_PHY_CAP_1000FDX + 1); 735227569Sphilip EFX_STATIC_ASSERT(EFX_LINK_10000FDX == EFX_PHY_CAP_10000FDX + 1); 736227569Sphilip 737227569Sphilip for (mode = EFX_LINK_10HDX; mode <= EFX_LINK_10000FDX; mode++) { 738227569Sphilip mode_cap_mask = 1 << (mode - 1); 739227569Sphilip mode_ifm = sfxge_link_mode[medium_type][mode]; 740227569Sphilip 741227569Sphilip if ((cap_mask & mode_cap_mask) && mode_ifm) { 742227569Sphilip mode_cap_mask |= cap_mask & (1 << EFX_PHY_CAP_AN); 743227569Sphilip 744227569Sphilip#ifdef SFXGE_HAVE_PAUSE_MEDIAOPTS 745227569Sphilip /* No flow-control */ 746227569Sphilip ifmedia_add(&sc->media, mode_ifm, mode_cap_mask, NULL); 747227569Sphilip 748227569Sphilip /* Respond-only. If using AN, we implicitly 749227569Sphilip * offer symmetric as well, but that doesn't 750227569Sphilip * mean we *have* to generate pause frames. 751227569Sphilip */ 752227569Sphilip mode_cap_mask |= cap_mask & ((1 << EFX_PHY_CAP_PAUSE) | 753227569Sphilip (1 << EFX_PHY_CAP_ASYM)); 754227569Sphilip mode_ifm |= IFM_ETH_RXPAUSE; 755227569Sphilip ifmedia_add(&sc->media, mode_ifm, mode_cap_mask, NULL); 756227569Sphilip 757227569Sphilip /* Symmetric */ 758227569Sphilip mode_cap_mask &= ~(1 << EFX_PHY_CAP_ASYM); 759227569Sphilip mode_ifm |= IFM_ETH_TXPAUSE; 760227569Sphilip#else /* !SFXGE_HAVE_PAUSE_MEDIAOPTS */ 761227569Sphilip mode_cap_mask |= cap_mask & (1 << EFX_PHY_CAP_PAUSE); 762227569Sphilip#endif 763227569Sphilip ifmedia_add(&sc->media, mode_ifm, mode_cap_mask, NULL); 764227569Sphilip 765227569Sphilip /* Link modes are numbered in order of speed, 766227569Sphilip * so assume the last one available is the best. 767227569Sphilip */ 768227569Sphilip best_mode_ifm = mode_ifm; 769227569Sphilip } 770227569Sphilip } 771227569Sphilip 772227569Sphilip if (cap_mask & (1 << EFX_PHY_CAP_AN)) { 773227569Sphilip /* Add autoselect mode. */ 774227569Sphilip mode_ifm = IFM_ETHER | IFM_AUTO; 775227569Sphilip ifmedia_add(&sc->media, mode_ifm, 776227569Sphilip cap_mask & ~(1 << EFX_PHY_CAP_ASYM), NULL); 777227569Sphilip best_mode_ifm = mode_ifm; 778227569Sphilip } 779227569Sphilip 780227569Sphilip if (best_mode_ifm) 781227569Sphilip ifmedia_set(&sc->media, best_mode_ifm); 782227569Sphilip 783227569Sphilip /* Now discard port state until interface is started. */ 784227569Sphilip efx_port_fini(sc->enp); 785227569Sphilipout2: 786227569Sphilip efx_nic_fini(sc->enp); 787227569Sphilipout: 788227569Sphilip return rc; 789227569Sphilip} 790