1227569Sphilip/*- 2284555Sarybchik * Copyright (c) 2010-2015 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 9284555Sarybchik * modification, are permitted provided that the following conditions are met: 10227569Sphilip * 11284555Sarybchik * 1. Redistributions of source code must retain the above copyright notice, 12284555Sarybchik * this list of conditions and the following disclaimer. 13284555Sarybchik * 2. Redistributions in binary form must reproduce the above copyright notice, 14284555Sarybchik * this list of conditions and the following disclaimer in the documentation 15284555Sarybchik * and/or other materials provided with the distribution. 16284555Sarybchik * 17284555Sarybchik * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18284555Sarybchik * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 19284555Sarybchik * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20284555Sarybchik * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 21284555Sarybchik * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22284555Sarybchik * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23284555Sarybchik * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24284555Sarybchik * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25284555Sarybchik * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26284555Sarybchik * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27284555Sarybchik * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28284555Sarybchik * 29284555Sarybchik * The views and conclusions contained in the software and documentation are 30284555Sarybchik * those of the authors and should not be interpreted as representing official 31284555Sarybchik * policies, either expressed or implied, of the FreeBSD Project. 32227569Sphilip */ 33227569Sphilip 34227569Sphilip#include <sys/cdefs.h> 35227569Sphilip__FBSDID("$FreeBSD: releng/10.3/sys/dev/sfxge/sfxge.c 295526 2016-02-11 16:39:30Z arybchik $"); 36227569Sphilip 37227569Sphilip#include <sys/param.h> 38227569Sphilip#include <sys/kernel.h> 39227569Sphilip#include <sys/bus.h> 40227569Sphilip#include <sys/rman.h> 41227569Sphilip#include <sys/lock.h> 42227569Sphilip#include <sys/module.h> 43227569Sphilip#include <sys/mutex.h> 44227569Sphilip#include <sys/smp.h> 45227569Sphilip#include <sys/socket.h> 46227569Sphilip#include <sys/taskqueue.h> 47227569Sphilip#include <sys/sockio.h> 48227569Sphilip#include <sys/sysctl.h> 49284555Sarybchik#include <sys/priv.h> 50280502Sarybchik#include <sys/syslog.h> 51227569Sphilip 52227569Sphilip#include <dev/pci/pcireg.h> 53227569Sphilip#include <dev/pci/pcivar.h> 54227569Sphilip 55227569Sphilip#include <net/ethernet.h> 56227569Sphilip#include <net/if.h> 57227569Sphilip#include <net/if_media.h> 58227569Sphilip#include <net/if_types.h> 59227569Sphilip 60227569Sphilip#include "common/efx.h" 61227569Sphilip 62227569Sphilip#include "sfxge.h" 63227569Sphilip#include "sfxge_rx.h" 64284555Sarybchik#include "sfxge_ioc.h" 65280601Sarybchik#include "sfxge_version.h" 66227569Sphilip 67283204Sarybchik#define SFXGE_CAP (IFCAP_VLAN_MTU | IFCAP_VLAN_HWCSUM | \ 68283216Sarybchik IFCAP_RXCSUM | IFCAP_TXCSUM | \ 69283205Sarybchik IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6 | \ 70283216Sarybchik IFCAP_TSO4 | IFCAP_TSO6 | \ 71283217Sarybchik IFCAP_JUMBO_MTU | \ 72292089Sarybchik IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE | IFCAP_HWSTATS) 73280501Sarybchik#define SFXGE_CAP_ENABLE SFXGE_CAP 74283215Sarybchik#define SFXGE_CAP_FIXED (IFCAP_VLAN_MTU | \ 75292089Sarybchik IFCAP_JUMBO_MTU | IFCAP_LINKSTATE | IFCAP_HWSTATS) 76227569Sphilip 77227569SphilipMALLOC_DEFINE(M_SFXGE, "sfxge", "Solarflare 10GigE driver"); 78227569Sphilip 79280502Sarybchik 80280502SarybchikSYSCTL_NODE(_hw, OID_AUTO, sfxge, CTLFLAG_RD, 0, 81280502Sarybchik "SFXGE driver parameters"); 82280502Sarybchik 83280502Sarybchik#define SFXGE_PARAM_RX_RING SFXGE_PARAM(rx_ring) 84280502Sarybchikstatic int sfxge_rx_ring_entries = SFXGE_NDESCS; 85280502SarybchikTUNABLE_INT(SFXGE_PARAM_RX_RING, &sfxge_rx_ring_entries); 86280502SarybchikSYSCTL_INT(_hw_sfxge, OID_AUTO, rx_ring, CTLFLAG_RDTUN, 87280502Sarybchik &sfxge_rx_ring_entries, 0, 88280502Sarybchik "Maximum number of descriptors in a receive ring"); 89280502Sarybchik 90280502Sarybchik#define SFXGE_PARAM_TX_RING SFXGE_PARAM(tx_ring) 91280502Sarybchikstatic int sfxge_tx_ring_entries = SFXGE_NDESCS; 92280502SarybchikTUNABLE_INT(SFXGE_PARAM_TX_RING, &sfxge_tx_ring_entries); 93280502SarybchikSYSCTL_INT(_hw_sfxge, OID_AUTO, tx_ring, CTLFLAG_RDTUN, 94280502Sarybchik &sfxge_tx_ring_entries, 0, 95280502Sarybchik "Maximum number of descriptors in a transmit ring"); 96280502Sarybchik 97292089Sarybchik#define SFXGE_PARAM_STATS_UPDATE_PERIOD SFXGE_PARAM(stats_update_period) 98292089Sarybchikstatic int sfxge_stats_update_period = SFXGE_CALLOUT_TICKS; 99292089SarybchikTUNABLE_INT(SFXGE_PARAM_STATS_UPDATE_PERIOD, 100292089Sarybchik &sfxge_stats_update_period); 101292089SarybchikSYSCTL_INT(_hw_sfxge, OID_AUTO, stats_update_period, CTLFLAG_RDTUN, 102292089Sarybchik &sfxge_stats_update_period, 0, 103292089Sarybchik "netstat interface statistics update period in ticks"); 104292089Sarybchik 105293970Sarybchik#define SFXGE_PARAM_RESTART_ATTEMPTS SFXGE_PARAM(restart_attempts) 106293970Sarybchikstatic int sfxge_restart_attempts = 3; 107293970SarybchikTUNABLE_INT(SFXGE_PARAM_RESTART_ATTEMPTS, &sfxge_restart_attempts); 108293970SarybchikSYSCTL_INT(_hw_sfxge, OID_AUTO, restart_attempts, CTLFLAG_RDTUN, 109293970Sarybchik &sfxge_restart_attempts, 0, 110293970Sarybchik "Maximum number of attempts to bring interface up after reset"); 111293970Sarybchik 112293946Sarybchik#if EFSYS_OPT_MCDI_LOGGING 113293946Sarybchik#define SFXGE_PARAM_MCDI_LOGGING SFXGE_PARAM(mcdi_logging) 114293946Sarybchikstatic int sfxge_mcdi_logging = 0; 115293946SarybchikTUNABLE_INT(SFXGE_PARAM_MCDI_LOGGING, &sfxge_mcdi_logging); 116293946Sarybchik#endif 117293946Sarybchik 118227569Sphilipstatic void 119227569Sphilipsfxge_reset(void *arg, int npending); 120227569Sphilip 121227569Sphilipstatic int 122284555Sarybchiksfxge_estimate_rsrc_limits(struct sfxge_softc *sc) 123284555Sarybchik{ 124284555Sarybchik efx_drv_limits_t limits; 125284555Sarybchik int rc; 126284555Sarybchik unsigned int evq_max; 127284555Sarybchik uint32_t evq_allocated; 128284555Sarybchik uint32_t rxq_allocated; 129284555Sarybchik uint32_t txq_allocated; 130284555Sarybchik 131284555Sarybchik /* 132284555Sarybchik * Limit the number of event queues to: 133284555Sarybchik * - number of CPUs 134284555Sarybchik * - hardwire maximum RSS channels 135284555Sarybchik * - administratively specified maximum RSS channels 136284555Sarybchik */ 137284555Sarybchik evq_max = MIN(mp_ncpus, EFX_MAXRSS); 138284555Sarybchik if (sc->max_rss_channels > 0) 139284555Sarybchik evq_max = MIN(evq_max, sc->max_rss_channels); 140284555Sarybchik 141284555Sarybchik memset(&limits, 0, sizeof(limits)); 142284555Sarybchik 143284555Sarybchik limits.edl_min_evq_count = 1; 144284555Sarybchik limits.edl_max_evq_count = evq_max; 145284555Sarybchik limits.edl_min_txq_count = SFXGE_TXQ_NTYPES; 146284555Sarybchik limits.edl_max_txq_count = evq_max + SFXGE_TXQ_NTYPES - 1; 147284555Sarybchik limits.edl_min_rxq_count = 1; 148284555Sarybchik limits.edl_max_rxq_count = evq_max; 149284555Sarybchik 150284555Sarybchik efx_nic_set_drv_limits(sc->enp, &limits); 151284555Sarybchik 152284555Sarybchik if ((rc = efx_nic_init(sc->enp)) != 0) 153284555Sarybchik return (rc); 154284555Sarybchik 155284555Sarybchik rc = efx_nic_get_vi_pool(sc->enp, &evq_allocated, &rxq_allocated, 156284555Sarybchik &txq_allocated); 157284555Sarybchik if (rc != 0) { 158284555Sarybchik efx_nic_fini(sc->enp); 159284555Sarybchik return (rc); 160284555Sarybchik } 161284555Sarybchik 162284555Sarybchik KASSERT(txq_allocated >= SFXGE_TXQ_NTYPES, 163284555Sarybchik ("txq_allocated < SFXGE_TXQ_NTYPES")); 164284555Sarybchik 165284555Sarybchik sc->evq_max = MIN(evq_allocated, evq_max); 166284555Sarybchik sc->evq_max = MIN(rxq_allocated, sc->evq_max); 167284555Sarybchik sc->evq_max = MIN(txq_allocated - (SFXGE_TXQ_NTYPES - 1), 168284555Sarybchik sc->evq_max); 169284555Sarybchik 170284555Sarybchik KASSERT(sc->evq_max <= evq_max, 171284555Sarybchik ("allocated more than maximum requested")); 172284555Sarybchik 173284555Sarybchik /* 174284555Sarybchik * NIC is kept initialized in the case of success to be able to 175284555Sarybchik * initialize port to find out media types. 176284555Sarybchik */ 177284555Sarybchik return (0); 178284555Sarybchik} 179284555Sarybchik 180284555Sarybchikstatic int 181284555Sarybchiksfxge_set_drv_limits(struct sfxge_softc *sc) 182284555Sarybchik{ 183284555Sarybchik efx_drv_limits_t limits; 184284555Sarybchik 185284555Sarybchik memset(&limits, 0, sizeof(limits)); 186284555Sarybchik 187284555Sarybchik /* Limits are strict since take into account initial estimation */ 188284555Sarybchik limits.edl_min_evq_count = limits.edl_max_evq_count = 189284555Sarybchik sc->intr.n_alloc; 190284555Sarybchik limits.edl_min_txq_count = limits.edl_max_txq_count = 191284555Sarybchik sc->intr.n_alloc + SFXGE_TXQ_NTYPES - 1; 192284555Sarybchik limits.edl_min_rxq_count = limits.edl_max_rxq_count = 193284555Sarybchik sc->intr.n_alloc; 194284555Sarybchik 195284555Sarybchik return (efx_nic_set_drv_limits(sc->enp, &limits)); 196284555Sarybchik} 197284555Sarybchik 198284555Sarybchikstatic int 199227569Sphilipsfxge_start(struct sfxge_softc *sc) 200227569Sphilip{ 201227569Sphilip int rc; 202227569Sphilip 203280522Sarybchik SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc); 204227569Sphilip 205227569Sphilip if (sc->init_state == SFXGE_STARTED) 206280501Sarybchik return (0); 207227569Sphilip 208227569Sphilip if (sc->init_state != SFXGE_REGISTERED) { 209227569Sphilip rc = EINVAL; 210227569Sphilip goto fail; 211227569Sphilip } 212227569Sphilip 213284555Sarybchik /* Set required resource limits */ 214284555Sarybchik if ((rc = sfxge_set_drv_limits(sc)) != 0) 215284555Sarybchik goto fail; 216284555Sarybchik 217227569Sphilip if ((rc = efx_nic_init(sc->enp)) != 0) 218227569Sphilip goto fail; 219227569Sphilip 220227569Sphilip /* Start processing interrupts. */ 221227569Sphilip if ((rc = sfxge_intr_start(sc)) != 0) 222227569Sphilip goto fail2; 223227569Sphilip 224227569Sphilip /* Start processing events. */ 225227569Sphilip if ((rc = sfxge_ev_start(sc)) != 0) 226227569Sphilip goto fail3; 227227569Sphilip 228284555Sarybchik /* Fire up the port. */ 229284555Sarybchik if ((rc = sfxge_port_start(sc)) != 0) 230284555Sarybchik goto fail4; 231284555Sarybchik 232227569Sphilip /* Start the receiver side. */ 233227569Sphilip if ((rc = sfxge_rx_start(sc)) != 0) 234284555Sarybchik goto fail5; 235227569Sphilip 236227569Sphilip /* Start the transmitter side. */ 237227569Sphilip if ((rc = sfxge_tx_start(sc)) != 0) 238227569Sphilip goto fail6; 239227569Sphilip 240227569Sphilip sc->init_state = SFXGE_STARTED; 241227569Sphilip 242227569Sphilip /* Tell the stack we're running. */ 243227569Sphilip sc->ifnet->if_drv_flags |= IFF_DRV_RUNNING; 244227569Sphilip sc->ifnet->if_drv_flags &= ~IFF_DRV_OACTIVE; 245227569Sphilip 246227569Sphilip return (0); 247227569Sphilip 248227569Sphilipfail6: 249284555Sarybchik sfxge_rx_stop(sc); 250227569Sphilip 251227569Sphilipfail5: 252284555Sarybchik sfxge_port_stop(sc); 253227569Sphilip 254227569Sphilipfail4: 255227569Sphilip sfxge_ev_stop(sc); 256227569Sphilip 257227569Sphilipfail3: 258227569Sphilip sfxge_intr_stop(sc); 259227569Sphilip 260227569Sphilipfail2: 261227569Sphilip efx_nic_fini(sc->enp); 262227569Sphilip 263227569Sphilipfail: 264227569Sphilip device_printf(sc->dev, "sfxge_start: %d\n", rc); 265227569Sphilip 266227569Sphilip return (rc); 267227569Sphilip} 268227569Sphilip 269227569Sphilipstatic void 270227569Sphilipsfxge_if_init(void *arg) 271227569Sphilip{ 272227569Sphilip struct sfxge_softc *sc; 273227569Sphilip 274227569Sphilip sc = (struct sfxge_softc *)arg; 275227569Sphilip 276280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 277227569Sphilip (void)sfxge_start(sc); 278280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 279227569Sphilip} 280227569Sphilip 281227569Sphilipstatic void 282227569Sphilipsfxge_stop(struct sfxge_softc *sc) 283227569Sphilip{ 284280522Sarybchik SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc); 285227569Sphilip 286227569Sphilip if (sc->init_state != SFXGE_STARTED) 287227569Sphilip return; 288227569Sphilip 289227569Sphilip sc->init_state = SFXGE_REGISTERED; 290227569Sphilip 291227569Sphilip /* Stop the transmitter. */ 292227569Sphilip sfxge_tx_stop(sc); 293227569Sphilip 294227569Sphilip /* Stop the receiver. */ 295227569Sphilip sfxge_rx_stop(sc); 296227569Sphilip 297284555Sarybchik /* Stop the port. */ 298284555Sarybchik sfxge_port_stop(sc); 299284555Sarybchik 300227569Sphilip /* Stop processing events. */ 301227569Sphilip sfxge_ev_stop(sc); 302227569Sphilip 303227569Sphilip /* Stop processing interrupts. */ 304227569Sphilip sfxge_intr_stop(sc); 305227569Sphilip 306227569Sphilip efx_nic_fini(sc->enp); 307227569Sphilip 308227569Sphilip sc->ifnet->if_drv_flags &= ~IFF_DRV_RUNNING; 309227569Sphilip} 310227569Sphilip 311284555Sarybchik 312227569Sphilipstatic int 313284555Sarybchiksfxge_vpd_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ioc) 314284555Sarybchik{ 315284555Sarybchik efx_vpd_value_t value; 316284555Sarybchik int rc = 0; 317284555Sarybchik 318284555Sarybchik switch (ioc->u.vpd.op) { 319284555Sarybchik case SFXGE_VPD_OP_GET_KEYWORD: 320284555Sarybchik value.evv_tag = ioc->u.vpd.tag; 321284555Sarybchik value.evv_keyword = ioc->u.vpd.keyword; 322284555Sarybchik rc = efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value); 323284555Sarybchik if (rc != 0) 324284555Sarybchik break; 325284555Sarybchik ioc->u.vpd.len = MIN(ioc->u.vpd.len, value.evv_length); 326284555Sarybchik if (ioc->u.vpd.payload != 0) { 327284555Sarybchik rc = copyout(value.evv_value, ioc->u.vpd.payload, 328284555Sarybchik ioc->u.vpd.len); 329284555Sarybchik } 330284555Sarybchik break; 331284555Sarybchik case SFXGE_VPD_OP_SET_KEYWORD: 332284555Sarybchik if (ioc->u.vpd.len > sizeof(value.evv_value)) 333284555Sarybchik return (EINVAL); 334284555Sarybchik value.evv_tag = ioc->u.vpd.tag; 335284555Sarybchik value.evv_keyword = ioc->u.vpd.keyword; 336284555Sarybchik value.evv_length = ioc->u.vpd.len; 337284555Sarybchik rc = copyin(ioc->u.vpd.payload, value.evv_value, value.evv_length); 338284555Sarybchik if (rc != 0) 339284555Sarybchik break; 340284555Sarybchik rc = efx_vpd_set(sc->enp, sc->vpd_data, sc->vpd_size, &value); 341284555Sarybchik if (rc != 0) 342284555Sarybchik break; 343284555Sarybchik rc = efx_vpd_verify(sc->enp, sc->vpd_data, sc->vpd_size); 344284555Sarybchik if (rc != 0) 345284555Sarybchik break; 346284555Sarybchik rc = efx_vpd_write(sc->enp, sc->vpd_data, sc->vpd_size); 347284555Sarybchik break; 348284555Sarybchik default: 349284555Sarybchik rc = EOPNOTSUPP; 350284555Sarybchik break; 351284555Sarybchik } 352284555Sarybchik 353284555Sarybchik return (rc); 354284555Sarybchik} 355284555Sarybchik 356284555Sarybchikstatic int 357284555Sarybchiksfxge_private_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ioc) 358284555Sarybchik{ 359284555Sarybchik switch (ioc->op) { 360284555Sarybchik case SFXGE_MCDI_IOC: 361284555Sarybchik return (sfxge_mcdi_ioctl(sc, ioc)); 362284555Sarybchik case SFXGE_NVRAM_IOC: 363284555Sarybchik return (sfxge_nvram_ioctl(sc, ioc)); 364284555Sarybchik case SFXGE_VPD_IOC: 365284555Sarybchik return (sfxge_vpd_ioctl(sc, ioc)); 366284555Sarybchik default: 367284555Sarybchik return (EOPNOTSUPP); 368284555Sarybchik } 369284555Sarybchik} 370284555Sarybchik 371284555Sarybchik 372284555Sarybchikstatic int 373227569Sphilipsfxge_if_ioctl(struct ifnet *ifp, unsigned long command, caddr_t data) 374227569Sphilip{ 375227569Sphilip struct sfxge_softc *sc; 376227569Sphilip struct ifreq *ifr; 377284555Sarybchik sfxge_ioc_t ioc; 378227569Sphilip int error; 379227569Sphilip 380227569Sphilip ifr = (struct ifreq *)data; 381227569Sphilip sc = ifp->if_softc; 382227569Sphilip error = 0; 383227569Sphilip 384227569Sphilip switch (command) { 385227569Sphilip case SIOCSIFFLAGS: 386280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 387227569Sphilip if (ifp->if_flags & IFF_UP) { 388227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 389227569Sphilip if ((ifp->if_flags ^ sc->if_flags) & 390227569Sphilip (IFF_PROMISC | IFF_ALLMULTI)) { 391227569Sphilip sfxge_mac_filter_set(sc); 392227569Sphilip } 393227569Sphilip } else 394227569Sphilip sfxge_start(sc); 395227569Sphilip } else 396227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) 397227569Sphilip sfxge_stop(sc); 398227569Sphilip sc->if_flags = ifp->if_flags; 399280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 400227569Sphilip break; 401227569Sphilip case SIOCSIFMTU: 402227569Sphilip if (ifr->ifr_mtu == ifp->if_mtu) { 403227569Sphilip /* Nothing to do */ 404227569Sphilip error = 0; 405227569Sphilip } else if (ifr->ifr_mtu > SFXGE_MAX_MTU) { 406227569Sphilip error = EINVAL; 407227569Sphilip } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 408227569Sphilip ifp->if_mtu = ifr->ifr_mtu; 409227569Sphilip error = 0; 410227569Sphilip } else { 411227569Sphilip /* Restart required */ 412280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 413227569Sphilip sfxge_stop(sc); 414227569Sphilip ifp->if_mtu = ifr->ifr_mtu; 415227569Sphilip error = sfxge_start(sc); 416280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 417280501Sarybchik if (error != 0) { 418227569Sphilip ifp->if_flags &= ~IFF_UP; 419227569Sphilip ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 420227569Sphilip if_down(ifp); 421227569Sphilip } 422227569Sphilip } 423227569Sphilip break; 424227569Sphilip case SIOCADDMULTI: 425227569Sphilip case SIOCDELMULTI: 426227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) 427227569Sphilip sfxge_mac_filter_set(sc); 428227569Sphilip break; 429227569Sphilip case SIOCSIFCAP: 430283212Sarybchik { 431283212Sarybchik int reqcap = ifr->ifr_reqcap; 432283212Sarybchik int capchg_mask; 433283212Sarybchik 434280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 435227569Sphilip 436283212Sarybchik /* Capabilities to be changed in accordance with request */ 437283212Sarybchik capchg_mask = ifp->if_capenable ^ reqcap; 438283212Sarybchik 439227569Sphilip /* 440227569Sphilip * The networking core already rejects attempts to 441227569Sphilip * enable capabilities we don't have. We still have 442227569Sphilip * to reject attempts to disable capabilities that we 443227569Sphilip * can't (yet) disable. 444227569Sphilip */ 445283212Sarybchik KASSERT((reqcap & ~ifp->if_capabilities) == 0, 446284555Sarybchik ("Unsupported capabilities 0x%x requested 0x%x vs " 447284555Sarybchik "supported 0x%x", 448283212Sarybchik reqcap & ~ifp->if_capabilities, 449283212Sarybchik reqcap , ifp->if_capabilities)); 450283212Sarybchik if (capchg_mask & SFXGE_CAP_FIXED) { 451227569Sphilip error = EINVAL; 452280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 453227569Sphilip break; 454227569Sphilip } 455227569Sphilip 456283216Sarybchik /* Check request before any changes */ 457283216Sarybchik if ((capchg_mask & IFCAP_TSO4) && 458283216Sarybchik (reqcap & (IFCAP_TSO4 | IFCAP_TXCSUM)) == IFCAP_TSO4) { 459283216Sarybchik error = EAGAIN; 460283216Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 461283216Sarybchik if_printf(ifp, "enable txcsum before tso4\n"); 462283216Sarybchik break; 463283216Sarybchik } 464283216Sarybchik if ((capchg_mask & IFCAP_TSO6) && 465283216Sarybchik (reqcap & (IFCAP_TSO6 | IFCAP_TXCSUM_IPV6)) == IFCAP_TSO6) { 466283216Sarybchik error = EAGAIN; 467283216Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 468283216Sarybchik if_printf(ifp, "enable txcsum6 before tso6\n"); 469283216Sarybchik break; 470283216Sarybchik } 471283216Sarybchik 472283216Sarybchik if (reqcap & IFCAP_TXCSUM) { 473227569Sphilip ifp->if_hwassist |= (CSUM_IP | CSUM_TCP | CSUM_UDP); 474283216Sarybchik } else { 475227569Sphilip ifp->if_hwassist &= ~(CSUM_IP | CSUM_TCP | CSUM_UDP); 476283216Sarybchik if (reqcap & IFCAP_TSO4) { 477283216Sarybchik reqcap &= ~IFCAP_TSO4; 478283216Sarybchik if_printf(ifp, 479283216Sarybchik "tso4 disabled due to -txcsum\n"); 480283216Sarybchik } 481283216Sarybchik } 482283216Sarybchik if (reqcap & IFCAP_TXCSUM_IPV6) { 483283205Sarybchik ifp->if_hwassist |= (CSUM_TCP_IPV6 | CSUM_UDP_IPV6); 484283216Sarybchik } else { 485283205Sarybchik ifp->if_hwassist &= ~(CSUM_TCP_IPV6 | CSUM_UDP_IPV6); 486283216Sarybchik if (reqcap & IFCAP_TSO6) { 487283216Sarybchik reqcap &= ~IFCAP_TSO6; 488283216Sarybchik if_printf(ifp, 489283216Sarybchik "tso6 disabled due to -txcsum6\n"); 490283216Sarybchik } 491283216Sarybchik } 492227569Sphilip 493283207Sarybchik /* 494283207Sarybchik * The kernel takes both IFCAP_TSOx and CSUM_TSO into 495283207Sarybchik * account before using TSO. So, we do not touch 496283207Sarybchik * checksum flags when IFCAP_TSOx is modified. 497283207Sarybchik * Note that CSUM_TSO is (CSUM_IP_TSO|CSUM_IP6_TSO), 498283207Sarybchik * but both bits are set in IPv4 and IPv6 mbufs. 499283207Sarybchik */ 500283207Sarybchik 501283212Sarybchik ifp->if_capenable = reqcap; 502283212Sarybchik 503280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 504227569Sphilip break; 505283212Sarybchik } 506227569Sphilip case SIOCSIFMEDIA: 507227569Sphilip case SIOCGIFMEDIA: 508227569Sphilip error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 509227569Sphilip break; 510295526Sarybchik#ifdef SIOCGI2C 511295526Sarybchik case SIOCGI2C: 512295526Sarybchik { 513295526Sarybchik struct ifi2creq i2c; 514295526Sarybchik 515295526Sarybchik error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 516295526Sarybchik if (error != 0) 517295526Sarybchik break; 518295526Sarybchik 519295526Sarybchik if (i2c.len > sizeof(i2c.data)) { 520295526Sarybchik error = EINVAL; 521295526Sarybchik break; 522295526Sarybchik } 523295526Sarybchik 524295526Sarybchik SFXGE_ADAPTER_LOCK(sc); 525295526Sarybchik error = efx_phy_module_get_info(sc->enp, i2c.dev_addr, 526295526Sarybchik i2c.offset, i2c.len, 527295526Sarybchik &i2c.data[0]); 528295526Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 529295526Sarybchik if (error == 0) 530295526Sarybchik error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 531295526Sarybchik break; 532295526Sarybchik } 533295526Sarybchik#endif 534284555Sarybchik case SIOCGPRIVATE_0: 535284555Sarybchik error = priv_check(curthread, PRIV_DRIVER); 536284555Sarybchik if (error != 0) 537284555Sarybchik break; 538284555Sarybchik error = copyin(ifr->ifr_data, &ioc, sizeof(ioc)); 539284555Sarybchik if (error != 0) 540284555Sarybchik return (error); 541284555Sarybchik error = sfxge_private_ioctl(sc, &ioc); 542284555Sarybchik if (error == 0) { 543284555Sarybchik error = copyout(&ioc, ifr->ifr_data, sizeof(ioc)); 544284555Sarybchik } 545284555Sarybchik break; 546227569Sphilip default: 547227569Sphilip error = ether_ioctl(ifp, command, data); 548227569Sphilip } 549227569Sphilip 550227569Sphilip return (error); 551227569Sphilip} 552227569Sphilip 553227569Sphilipstatic void 554292089Sarybchiksfxge_tick(void *arg) 555292089Sarybchik{ 556292089Sarybchik struct sfxge_softc *sc = arg; 557292089Sarybchik 558292089Sarybchik sfxge_port_update_stats(sc); 559292089Sarybchik sfxge_tx_update_stats(sc); 560292089Sarybchik 561292089Sarybchik callout_reset(&sc->tick_callout, sfxge_stats_update_period, 562292089Sarybchik sfxge_tick, sc); 563292089Sarybchik} 564292089Sarybchik 565292089Sarybchikstatic void 566227569Sphilipsfxge_ifnet_fini(struct ifnet *ifp) 567227569Sphilip{ 568227569Sphilip struct sfxge_softc *sc = ifp->if_softc; 569227569Sphilip 570292089Sarybchik callout_drain(&sc->tick_callout); 571292089Sarybchik 572280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 573227569Sphilip sfxge_stop(sc); 574280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 575227569Sphilip 576227569Sphilip ifmedia_removeall(&sc->media); 577227569Sphilip ether_ifdetach(ifp); 578227569Sphilip if_free(ifp); 579227569Sphilip} 580227569Sphilip 581280501Sarybchikstatic int 582227569Sphilipsfxge_ifnet_init(struct ifnet *ifp, struct sfxge_softc *sc) 583227569Sphilip{ 584227569Sphilip const efx_nic_cfg_t *encp = efx_nic_cfg_get(sc->enp); 585227569Sphilip device_t dev; 586227569Sphilip int rc; 587227569Sphilip 588227569Sphilip dev = sc->dev; 589227569Sphilip sc->ifnet = ifp; 590227569Sphilip 591227569Sphilip if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 592227569Sphilip ifp->if_init = sfxge_if_init; 593227569Sphilip ifp->if_softc = sc; 594227569Sphilip ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 595227569Sphilip ifp->if_ioctl = sfxge_if_ioctl; 596227569Sphilip 597227569Sphilip ifp->if_capabilities = SFXGE_CAP; 598227569Sphilip ifp->if_capenable = SFXGE_CAP_ENABLE; 599293931Sarybchik ifp->if_hw_tsomax = SFXGE_TSO_MAX_SIZE; 600293931Sarybchik ifp->if_hw_tsomaxsegcount = SFXGE_TX_MAPPING_MAX_SEG; 601293931Sarybchik ifp->if_hw_tsomaxsegsize = PAGE_SIZE; 602283217Sarybchik 603283217Sarybchik#ifdef SFXGE_LRO 604283217Sarybchik ifp->if_capabilities |= IFCAP_LRO; 605283217Sarybchik ifp->if_capenable |= IFCAP_LRO; 606283217Sarybchik#endif 607283217Sarybchik 608284555Sarybchik if (encp->enc_hw_tx_insert_vlan_enabled) { 609284555Sarybchik ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; 610284555Sarybchik ifp->if_capenable |= IFCAP_VLAN_HWTAGGING; 611284555Sarybchik } 612283205Sarybchik ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO | 613283205Sarybchik CSUM_TCP_IPV6 | CSUM_UDP_IPV6; 614227569Sphilip 615227569Sphilip ether_ifattach(ifp, encp->enc_mac_addr); 616227569Sphilip 617227569Sphilip ifp->if_transmit = sfxge_if_transmit; 618227569Sphilip ifp->if_qflush = sfxge_if_qflush; 619227569Sphilip 620292089Sarybchik callout_init(&sc->tick_callout, B_TRUE); 621292089Sarybchik 622284555Sarybchik DBGPRINT(sc->dev, "ifmedia_init"); 623227569Sphilip if ((rc = sfxge_port_ifmedia_init(sc)) != 0) 624227569Sphilip goto fail; 625227569Sphilip 626292089Sarybchik callout_reset(&sc->tick_callout, sfxge_stats_update_period, 627292089Sarybchik sfxge_tick, sc); 628292089Sarybchik 629280501Sarybchik return (0); 630227569Sphilip 631227569Sphilipfail: 632227569Sphilip ether_ifdetach(sc->ifnet); 633280501Sarybchik return (rc); 634227569Sphilip} 635227569Sphilip 636227569Sphilipvoid 637227569Sphilipsfxge_sram_buf_tbl_alloc(struct sfxge_softc *sc, size_t n, uint32_t *idp) 638227569Sphilip{ 639227569Sphilip KASSERT(sc->buffer_table_next + n <= 640227569Sphilip efx_nic_cfg_get(sc->enp)->enc_buftbl_limit, 641227569Sphilip ("buffer table full")); 642227569Sphilip 643227569Sphilip *idp = sc->buffer_table_next; 644227569Sphilip sc->buffer_table_next += n; 645227569Sphilip} 646227569Sphilip 647227569Sphilipstatic int 648227569Sphilipsfxge_bar_init(struct sfxge_softc *sc) 649227569Sphilip{ 650227569Sphilip efsys_bar_t *esbp = &sc->bar; 651227569Sphilip 652280501Sarybchik esbp->esb_rid = PCIR_BAR(EFX_MEM_BAR); 653227569Sphilip if ((esbp->esb_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 654227569Sphilip &esbp->esb_rid, RF_ACTIVE)) == NULL) { 655227569Sphilip device_printf(sc->dev, "Cannot allocate BAR region %d\n", 656227569Sphilip EFX_MEM_BAR); 657227569Sphilip return (ENXIO); 658227569Sphilip } 659227569Sphilip esbp->esb_tag = rman_get_bustag(esbp->esb_res); 660227569Sphilip esbp->esb_handle = rman_get_bushandle(esbp->esb_res); 661227569Sphilip 662280524Sarybchik SFXGE_BAR_LOCK_INIT(esbp, device_get_nameunit(sc->dev)); 663280524Sarybchik 664227569Sphilip return (0); 665227569Sphilip} 666227569Sphilip 667227569Sphilipstatic void 668227569Sphilipsfxge_bar_fini(struct sfxge_softc *sc) 669227569Sphilip{ 670227569Sphilip efsys_bar_t *esbp = &sc->bar; 671227569Sphilip 672227569Sphilip bus_release_resource(sc->dev, SYS_RES_MEMORY, esbp->esb_rid, 673227569Sphilip esbp->esb_res); 674280522Sarybchik SFXGE_BAR_LOCK_DESTROY(esbp); 675227569Sphilip} 676227569Sphilip 677227569Sphilipstatic int 678227569Sphilipsfxge_create(struct sfxge_softc *sc) 679227569Sphilip{ 680227569Sphilip device_t dev; 681227569Sphilip efx_nic_t *enp; 682227569Sphilip int error; 683280518Sarybchik char rss_param_name[sizeof(SFXGE_PARAM(%d.max_rss_channels))]; 684293946Sarybchik#if EFSYS_OPT_MCDI_LOGGING 685293946Sarybchik char mcdi_log_param_name[sizeof(SFXGE_PARAM(%d.mcdi_logging))]; 686293946Sarybchik#endif 687227569Sphilip 688227569Sphilip dev = sc->dev; 689227569Sphilip 690280524Sarybchik SFXGE_ADAPTER_LOCK_INIT(sc, device_get_nameunit(sc->dev)); 691227569Sphilip 692280518Sarybchik sc->max_rss_channels = 0; 693280518Sarybchik snprintf(rss_param_name, sizeof(rss_param_name), 694280518Sarybchik SFXGE_PARAM(%d.max_rss_channels), 695280518Sarybchik (int)device_get_unit(dev)); 696280518Sarybchik TUNABLE_INT_FETCH(rss_param_name, &sc->max_rss_channels); 697293946Sarybchik#if EFSYS_OPT_MCDI_LOGGING 698293946Sarybchik sc->mcdi_logging = sfxge_mcdi_logging; 699293946Sarybchik snprintf(mcdi_log_param_name, sizeof(mcdi_log_param_name), 700293946Sarybchik SFXGE_PARAM(%d.mcdi_logging), 701293946Sarybchik (int)device_get_unit(dev)); 702293946Sarybchik TUNABLE_INT_FETCH(mcdi_log_param_name, &sc->mcdi_logging); 703293946Sarybchik#endif 704280518Sarybchik 705227569Sphilip sc->stats_node = SYSCTL_ADD_NODE( 706227569Sphilip device_get_sysctl_ctx(dev), 707227569Sphilip SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 708227569Sphilip OID_AUTO, "stats", CTLFLAG_RD, NULL, "Statistics"); 709280501Sarybchik if (sc->stats_node == NULL) { 710227569Sphilip error = ENOMEM; 711227569Sphilip goto fail; 712227569Sphilip } 713227569Sphilip 714227569Sphilip TASK_INIT(&sc->task_reset, 0, sfxge_reset, sc); 715227569Sphilip 716227569Sphilip (void) pci_enable_busmaster(dev); 717227569Sphilip 718227569Sphilip /* Initialize DMA mappings. */ 719284555Sarybchik DBGPRINT(sc->dev, "dma_init..."); 720227569Sphilip if ((error = sfxge_dma_init(sc)) != 0) 721227569Sphilip goto fail; 722227569Sphilip 723227569Sphilip /* Map the device registers. */ 724284555Sarybchik DBGPRINT(sc->dev, "bar_init..."); 725227569Sphilip if ((error = sfxge_bar_init(sc)) != 0) 726227569Sphilip goto fail; 727227569Sphilip 728227569Sphilip error = efx_family(pci_get_vendor(dev), pci_get_device(dev), 729227569Sphilip &sc->family); 730227569Sphilip KASSERT(error == 0, ("Family should be filtered by sfxge_probe()")); 731227569Sphilip 732284555Sarybchik DBGPRINT(sc->dev, "nic_create..."); 733284555Sarybchik 734227569Sphilip /* Create the common code nic object. */ 735280524Sarybchik SFXGE_EFSYS_LOCK_INIT(&sc->enp_lock, 736280524Sarybchik device_get_nameunit(sc->dev), "nic"); 737227569Sphilip if ((error = efx_nic_create(sc->family, (efsys_identifier_t *)sc, 738227569Sphilip &sc->bar, &sc->enp_lock, &enp)) != 0) 739227569Sphilip goto fail3; 740227569Sphilip sc->enp = enp; 741227569Sphilip 742280502Sarybchik if (!ISP2(sfxge_rx_ring_entries) || 743284555Sarybchik (sfxge_rx_ring_entries < EFX_RXQ_MINNDESCS) || 744284555Sarybchik (sfxge_rx_ring_entries > EFX_RXQ_MAXNDESCS)) { 745280502Sarybchik log(LOG_ERR, "%s=%d must be power of 2 from %u to %u", 746280502Sarybchik SFXGE_PARAM_RX_RING, sfxge_rx_ring_entries, 747280502Sarybchik EFX_RXQ_MINNDESCS, EFX_RXQ_MAXNDESCS); 748280502Sarybchik error = EINVAL; 749280502Sarybchik goto fail_rx_ring_entries; 750280502Sarybchik } 751280502Sarybchik sc->rxq_entries = sfxge_rx_ring_entries; 752280502Sarybchik 753280502Sarybchik if (!ISP2(sfxge_tx_ring_entries) || 754284555Sarybchik (sfxge_tx_ring_entries < EFX_TXQ_MINNDESCS) || 755284555Sarybchik (sfxge_tx_ring_entries > EFX_TXQ_MAXNDESCS(efx_nic_cfg_get(enp)))) { 756280502Sarybchik log(LOG_ERR, "%s=%d must be power of 2 from %u to %u", 757280502Sarybchik SFXGE_PARAM_TX_RING, sfxge_tx_ring_entries, 758284555Sarybchik EFX_TXQ_MINNDESCS, EFX_TXQ_MAXNDESCS(efx_nic_cfg_get(enp))); 759280502Sarybchik error = EINVAL; 760280502Sarybchik goto fail_tx_ring_entries; 761280502Sarybchik } 762280502Sarybchik sc->txq_entries = sfxge_tx_ring_entries; 763280502Sarybchik 764227569Sphilip /* Initialize MCDI to talk to the microcontroller. */ 765284555Sarybchik DBGPRINT(sc->dev, "mcdi_init..."); 766227569Sphilip if ((error = sfxge_mcdi_init(sc)) != 0) 767227569Sphilip goto fail4; 768227569Sphilip 769227569Sphilip /* Probe the NIC and build the configuration data area. */ 770284555Sarybchik DBGPRINT(sc->dev, "nic_probe..."); 771227569Sphilip if ((error = efx_nic_probe(enp)) != 0) 772227569Sphilip goto fail5; 773227569Sphilip 774280601Sarybchik SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 775280601Sarybchik SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 776280601Sarybchik OID_AUTO, "version", CTLFLAG_RD, 777280601Sarybchik SFXGE_VERSION_STRING, 0, 778280601Sarybchik "Driver version"); 779280601Sarybchik 780284555Sarybchik SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 781284555Sarybchik SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 782284555Sarybchik OID_AUTO, "phy_type", CTLFLAG_RD, 783284555Sarybchik NULL, efx_nic_cfg_get(enp)->enc_phy_type, 784284555Sarybchik "PHY type"); 785284555Sarybchik 786227569Sphilip /* Initialize the NVRAM. */ 787284555Sarybchik DBGPRINT(sc->dev, "nvram_init..."); 788227569Sphilip if ((error = efx_nvram_init(enp)) != 0) 789227569Sphilip goto fail6; 790227569Sphilip 791227569Sphilip /* Initialize the VPD. */ 792284555Sarybchik DBGPRINT(sc->dev, "vpd_init..."); 793227569Sphilip if ((error = efx_vpd_init(enp)) != 0) 794227569Sphilip goto fail7; 795227569Sphilip 796284555Sarybchik efx_mcdi_new_epoch(enp); 797284555Sarybchik 798227569Sphilip /* Reset the NIC. */ 799284555Sarybchik DBGPRINT(sc->dev, "nic_reset..."); 800227569Sphilip if ((error = efx_nic_reset(enp)) != 0) 801227569Sphilip goto fail8; 802227569Sphilip 803227569Sphilip /* Initialize buffer table allocation. */ 804227569Sphilip sc->buffer_table_next = 0; 805227569Sphilip 806284555Sarybchik /* 807284555Sarybchik * Guarantee minimum and estimate maximum number of event queues 808284555Sarybchik * to take it into account when MSI-X interrupts are allocated. 809284555Sarybchik * It initializes NIC and keeps it initialized on success. 810284555Sarybchik */ 811284555Sarybchik if ((error = sfxge_estimate_rsrc_limits(sc)) != 0) 812284555Sarybchik goto fail8; 813284555Sarybchik 814227569Sphilip /* Set up interrupts. */ 815284555Sarybchik DBGPRINT(sc->dev, "intr_init..."); 816227569Sphilip if ((error = sfxge_intr_init(sc)) != 0) 817284555Sarybchik goto fail9; 818227569Sphilip 819227569Sphilip /* Initialize event processing state. */ 820284555Sarybchik DBGPRINT(sc->dev, "ev_init..."); 821227569Sphilip if ((error = sfxge_ev_init(sc)) != 0) 822227569Sphilip goto fail11; 823227569Sphilip 824284555Sarybchik /* Initialize port state. */ 825284555Sarybchik DBGPRINT(sc->dev, "port_init..."); 826284555Sarybchik if ((error = sfxge_port_init(sc)) != 0) 827284555Sarybchik goto fail12; 828284555Sarybchik 829227569Sphilip /* Initialize receive state. */ 830284555Sarybchik DBGPRINT(sc->dev, "rx_init..."); 831227569Sphilip if ((error = sfxge_rx_init(sc)) != 0) 832284555Sarybchik goto fail13; 833227569Sphilip 834227569Sphilip /* Initialize transmit state. */ 835284555Sarybchik DBGPRINT(sc->dev, "tx_init..."); 836227569Sphilip if ((error = sfxge_tx_init(sc)) != 0) 837227569Sphilip goto fail14; 838227569Sphilip 839227569Sphilip sc->init_state = SFXGE_INITIALIZED; 840227569Sphilip 841284555Sarybchik DBGPRINT(sc->dev, "success"); 842227569Sphilip return (0); 843227569Sphilip 844227569Sphilipfail14: 845284555Sarybchik sfxge_rx_fini(sc); 846227569Sphilip 847227569Sphilipfail13: 848284555Sarybchik sfxge_port_fini(sc); 849227569Sphilip 850227569Sphilipfail12: 851227569Sphilip sfxge_ev_fini(sc); 852227569Sphilip 853227569Sphilipfail11: 854227569Sphilip sfxge_intr_fini(sc); 855227569Sphilip 856284555Sarybchikfail9: 857284555Sarybchik efx_nic_fini(sc->enp); 858284555Sarybchik 859227569Sphilipfail8: 860227569Sphilip efx_vpd_fini(enp); 861227569Sphilip 862227569Sphilipfail7: 863227569Sphilip efx_nvram_fini(enp); 864227569Sphilip 865227569Sphilipfail6: 866227569Sphilip efx_nic_unprobe(enp); 867227569Sphilip 868227569Sphilipfail5: 869227569Sphilip sfxge_mcdi_fini(sc); 870227569Sphilip 871227569Sphilipfail4: 872280502Sarybchikfail_tx_ring_entries: 873280502Sarybchikfail_rx_ring_entries: 874227569Sphilip sc->enp = NULL; 875227569Sphilip efx_nic_destroy(enp); 876280524Sarybchik SFXGE_EFSYS_LOCK_DESTROY(&sc->enp_lock); 877227569Sphilip 878227569Sphilipfail3: 879227569Sphilip sfxge_bar_fini(sc); 880227569Sphilip (void) pci_disable_busmaster(sc->dev); 881227569Sphilip 882227569Sphilipfail: 883284555Sarybchik DBGPRINT(sc->dev, "failed %d", error); 884227569Sphilip sc->dev = NULL; 885280522Sarybchik SFXGE_ADAPTER_LOCK_DESTROY(sc); 886227569Sphilip return (error); 887227569Sphilip} 888227569Sphilip 889227569Sphilipstatic void 890227569Sphilipsfxge_destroy(struct sfxge_softc *sc) 891227569Sphilip{ 892227569Sphilip efx_nic_t *enp; 893227569Sphilip 894227569Sphilip /* Clean up transmit state. */ 895227569Sphilip sfxge_tx_fini(sc); 896227569Sphilip 897227569Sphilip /* Clean up receive state. */ 898227569Sphilip sfxge_rx_fini(sc); 899227569Sphilip 900284555Sarybchik /* Clean up port state. */ 901284555Sarybchik sfxge_port_fini(sc); 902284555Sarybchik 903227569Sphilip /* Clean up event processing state. */ 904227569Sphilip sfxge_ev_fini(sc); 905227569Sphilip 906227569Sphilip /* Clean up interrupts. */ 907227569Sphilip sfxge_intr_fini(sc); 908227569Sphilip 909227569Sphilip /* Tear down common code subsystems. */ 910227569Sphilip efx_nic_reset(sc->enp); 911227569Sphilip efx_vpd_fini(sc->enp); 912227569Sphilip efx_nvram_fini(sc->enp); 913227569Sphilip efx_nic_unprobe(sc->enp); 914227569Sphilip 915227569Sphilip /* Tear down MCDI. */ 916227569Sphilip sfxge_mcdi_fini(sc); 917227569Sphilip 918227569Sphilip /* Destroy common code context. */ 919227569Sphilip enp = sc->enp; 920227569Sphilip sc->enp = NULL; 921227569Sphilip efx_nic_destroy(enp); 922227569Sphilip 923227569Sphilip /* Free DMA memory. */ 924227569Sphilip sfxge_dma_fini(sc); 925227569Sphilip 926227569Sphilip /* Free mapped BARs. */ 927227569Sphilip sfxge_bar_fini(sc); 928227569Sphilip 929227569Sphilip (void) pci_disable_busmaster(sc->dev); 930227569Sphilip 931227569Sphilip taskqueue_drain(taskqueue_thread, &sc->task_reset); 932227569Sphilip 933227569Sphilip /* Destroy the softc lock. */ 934280522Sarybchik SFXGE_ADAPTER_LOCK_DESTROY(sc); 935227569Sphilip} 936227569Sphilip 937227569Sphilipstatic int 938227569Sphilipsfxge_vpd_handler(SYSCTL_HANDLER_ARGS) 939227569Sphilip{ 940227569Sphilip struct sfxge_softc *sc = arg1; 941227569Sphilip efx_vpd_value_t value; 942227569Sphilip int rc; 943280501Sarybchik 944227569Sphilip value.evv_tag = arg2 >> 16; 945227569Sphilip value.evv_keyword = arg2 & 0xffff; 946227569Sphilip if ((rc = efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value)) 947227569Sphilip != 0) 948280501Sarybchik return (rc); 949227569Sphilip 950280501Sarybchik return (SYSCTL_OUT(req, value.evv_value, value.evv_length)); 951227569Sphilip} 952227569Sphilip 953227569Sphilipstatic void 954227569Sphilipsfxge_vpd_try_add(struct sfxge_softc *sc, struct sysctl_oid_list *list, 955227569Sphilip efx_vpd_tag_t tag, const char *keyword) 956227569Sphilip{ 957227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 958227569Sphilip efx_vpd_value_t value; 959227569Sphilip 960227569Sphilip /* Check whether VPD tag/keyword is present */ 961227569Sphilip value.evv_tag = tag; 962227569Sphilip value.evv_keyword = EFX_VPD_KEYWORD(keyword[0], keyword[1]); 963227569Sphilip if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) != 0) 964227569Sphilip return; 965227569Sphilip 966227569Sphilip SYSCTL_ADD_PROC( 967227569Sphilip ctx, list, OID_AUTO, keyword, CTLTYPE_STRING|CTLFLAG_RD, 968227569Sphilip sc, tag << 16 | EFX_VPD_KEYWORD(keyword[0], keyword[1]), 969227569Sphilip sfxge_vpd_handler, "A", ""); 970227569Sphilip} 971227569Sphilip 972227569Sphilipstatic int 973227569Sphilipsfxge_vpd_init(struct sfxge_softc *sc) 974227569Sphilip{ 975227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 976227569Sphilip struct sysctl_oid *vpd_node; 977227569Sphilip struct sysctl_oid_list *vpd_list; 978227569Sphilip char keyword[3]; 979227569Sphilip efx_vpd_value_t value; 980227569Sphilip int rc; 981227569Sphilip 982284867Sarybchik if ((rc = efx_vpd_size(sc->enp, &sc->vpd_size)) != 0) { 983284867Sarybchik /* 984284867Sarybchik * Unpriviledged functions deny VPD access. 985284867Sarybchik * Simply skip VPD in this case. 986284867Sarybchik */ 987284867Sarybchik if (rc == EACCES) 988284867Sarybchik goto done; 989227569Sphilip goto fail; 990284867Sarybchik } 991227569Sphilip sc->vpd_data = malloc(sc->vpd_size, M_SFXGE, M_WAITOK); 992227569Sphilip if ((rc = efx_vpd_read(sc->enp, sc->vpd_data, sc->vpd_size)) != 0) 993227569Sphilip goto fail2; 994227569Sphilip 995227569Sphilip /* Copy ID (product name) into device description, and log it. */ 996227569Sphilip value.evv_tag = EFX_VPD_ID; 997227569Sphilip if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) == 0) { 998227569Sphilip value.evv_value[value.evv_length] = 0; 999227569Sphilip device_set_desc_copy(sc->dev, value.evv_value); 1000227569Sphilip device_printf(sc->dev, "%s\n", value.evv_value); 1001227569Sphilip } 1002227569Sphilip 1003227569Sphilip vpd_node = SYSCTL_ADD_NODE( 1004227569Sphilip ctx, SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), 1005227569Sphilip OID_AUTO, "vpd", CTLFLAG_RD, NULL, "Vital Product Data"); 1006227569Sphilip vpd_list = SYSCTL_CHILDREN(vpd_node); 1007227569Sphilip 1008227569Sphilip /* Add sysctls for all expected and any vendor-defined keywords. */ 1009227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "PN"); 1010227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "EC"); 1011227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "SN"); 1012227569Sphilip keyword[0] = 'V'; 1013227569Sphilip keyword[2] = 0; 1014227569Sphilip for (keyword[1] = '0'; keyword[1] <= '9'; keyword[1]++) 1015227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword); 1016227569Sphilip for (keyword[1] = 'A'; keyword[1] <= 'Z'; keyword[1]++) 1017227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword); 1018227569Sphilip 1019284867Sarybchikdone: 1020280501Sarybchik return (0); 1021280501Sarybchik 1022227569Sphilipfail2: 1023227569Sphilip free(sc->vpd_data, M_SFXGE); 1024227569Sphilipfail: 1025280501Sarybchik return (rc); 1026227569Sphilip} 1027227569Sphilip 1028227569Sphilipstatic void 1029227569Sphilipsfxge_vpd_fini(struct sfxge_softc *sc) 1030227569Sphilip{ 1031227569Sphilip free(sc->vpd_data, M_SFXGE); 1032227569Sphilip} 1033227569Sphilip 1034227569Sphilipstatic void 1035227569Sphilipsfxge_reset(void *arg, int npending) 1036227569Sphilip{ 1037227569Sphilip struct sfxge_softc *sc; 1038227569Sphilip int rc; 1039284555Sarybchik unsigned attempt; 1040227569Sphilip 1041227569Sphilip (void)npending; 1042227569Sphilip 1043227569Sphilip sc = (struct sfxge_softc *)arg; 1044227569Sphilip 1045280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 1046227569Sphilip 1047227569Sphilip if (sc->init_state != SFXGE_STARTED) 1048227569Sphilip goto done; 1049227569Sphilip 1050227569Sphilip sfxge_stop(sc); 1051227569Sphilip efx_nic_reset(sc->enp); 1052293970Sarybchik for (attempt = 0; attempt < sfxge_restart_attempts; ++attempt) { 1053284555Sarybchik if ((rc = sfxge_start(sc)) == 0) 1054284555Sarybchik goto done; 1055227569Sphilip 1056284555Sarybchik device_printf(sc->dev, "start on reset failed (%d)\n", rc); 1057284555Sarybchik DELAY(100000); 1058284555Sarybchik } 1059284555Sarybchik 1060284555Sarybchik device_printf(sc->dev, "reset failed; interface is now stopped\n"); 1061284555Sarybchik 1062227569Sphilipdone: 1063280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 1064227569Sphilip} 1065227569Sphilip 1066227569Sphilipvoid 1067227569Sphilipsfxge_schedule_reset(struct sfxge_softc *sc) 1068227569Sphilip{ 1069227569Sphilip taskqueue_enqueue(taskqueue_thread, &sc->task_reset); 1070227569Sphilip} 1071227569Sphilip 1072227569Sphilipstatic int 1073227569Sphilipsfxge_attach(device_t dev) 1074227569Sphilip{ 1075227569Sphilip struct sfxge_softc *sc; 1076227569Sphilip struct ifnet *ifp; 1077227569Sphilip int error; 1078227569Sphilip 1079227569Sphilip sc = device_get_softc(dev); 1080227569Sphilip sc->dev = dev; 1081227569Sphilip 1082227569Sphilip /* Allocate ifnet. */ 1083227569Sphilip ifp = if_alloc(IFT_ETHER); 1084227569Sphilip if (ifp == NULL) { 1085227569Sphilip device_printf(dev, "Couldn't allocate ifnet\n"); 1086227569Sphilip error = ENOMEM; 1087227569Sphilip goto fail; 1088227569Sphilip } 1089227569Sphilip sc->ifnet = ifp; 1090227569Sphilip 1091227569Sphilip /* Initialize hardware. */ 1092284555Sarybchik DBGPRINT(sc->dev, "create nic"); 1093227569Sphilip if ((error = sfxge_create(sc)) != 0) 1094227569Sphilip goto fail2; 1095227569Sphilip 1096227569Sphilip /* Create the ifnet for the port. */ 1097284555Sarybchik DBGPRINT(sc->dev, "init ifnet"); 1098227569Sphilip if ((error = sfxge_ifnet_init(ifp, sc)) != 0) 1099227569Sphilip goto fail3; 1100227569Sphilip 1101284555Sarybchik DBGPRINT(sc->dev, "init vpd"); 1102227569Sphilip if ((error = sfxge_vpd_init(sc)) != 0) 1103227569Sphilip goto fail4; 1104227569Sphilip 1105284555Sarybchik /* 1106284555Sarybchik * NIC is initialized inside sfxge_create() and kept inialized 1107284555Sarybchik * to be able to initialize port to discover media types in 1108284555Sarybchik * sfxge_ifnet_init(). 1109284555Sarybchik */ 1110284555Sarybchik efx_nic_fini(sc->enp); 1111284555Sarybchik 1112227569Sphilip sc->init_state = SFXGE_REGISTERED; 1113227569Sphilip 1114284555Sarybchik DBGPRINT(sc->dev, "success"); 1115227569Sphilip return (0); 1116227569Sphilip 1117227569Sphilipfail4: 1118227569Sphilip sfxge_ifnet_fini(ifp); 1119227569Sphilipfail3: 1120284555Sarybchik efx_nic_fini(sc->enp); 1121227569Sphilip sfxge_destroy(sc); 1122227569Sphilip 1123227569Sphilipfail2: 1124227569Sphilip if_free(sc->ifnet); 1125227569Sphilip 1126227569Sphilipfail: 1127284555Sarybchik DBGPRINT(sc->dev, "failed %d", error); 1128227569Sphilip return (error); 1129227569Sphilip} 1130227569Sphilip 1131227569Sphilipstatic int 1132227569Sphilipsfxge_detach(device_t dev) 1133227569Sphilip{ 1134227569Sphilip struct sfxge_softc *sc; 1135227569Sphilip 1136227569Sphilip sc = device_get_softc(dev); 1137227569Sphilip 1138227569Sphilip sfxge_vpd_fini(sc); 1139227569Sphilip 1140227569Sphilip /* Destroy the ifnet. */ 1141227569Sphilip sfxge_ifnet_fini(sc->ifnet); 1142227569Sphilip 1143227569Sphilip /* Tear down hardware. */ 1144227569Sphilip sfxge_destroy(sc); 1145227569Sphilip 1146227569Sphilip return (0); 1147227569Sphilip} 1148227569Sphilip 1149227569Sphilipstatic int 1150227569Sphilipsfxge_probe(device_t dev) 1151227569Sphilip{ 1152227569Sphilip uint16_t pci_vendor_id; 1153227569Sphilip uint16_t pci_device_id; 1154227569Sphilip efx_family_t family; 1155227569Sphilip int rc; 1156227569Sphilip 1157227569Sphilip pci_vendor_id = pci_get_vendor(dev); 1158227569Sphilip pci_device_id = pci_get_device(dev); 1159227569Sphilip 1160284555Sarybchik DBGPRINT(dev, "PCI ID %04x:%04x", pci_vendor_id, pci_device_id); 1161227569Sphilip rc = efx_family(pci_vendor_id, pci_device_id, &family); 1162284555Sarybchik if (rc != 0) { 1163284555Sarybchik DBGPRINT(dev, "efx_family fail %d", rc); 1164280501Sarybchik return (ENXIO); 1165284555Sarybchik } 1166227569Sphilip 1167284555Sarybchik if (family == EFX_FAMILY_SIENA) { 1168284555Sarybchik device_set_desc(dev, "Solarflare SFC9000 family"); 1169284555Sarybchik return (0); 1170284555Sarybchik } 1171284555Sarybchik 1172284555Sarybchik if (family == EFX_FAMILY_HUNTINGTON) { 1173284555Sarybchik device_set_desc(dev, "Solarflare SFC9100 family"); 1174284555Sarybchik return (0); 1175284555Sarybchik } 1176284555Sarybchik 1177284555Sarybchik DBGPRINT(dev, "impossible controller family %d", family); 1178284555Sarybchik return (ENXIO); 1179227569Sphilip} 1180227569Sphilip 1181227569Sphilipstatic device_method_t sfxge_methods[] = { 1182227569Sphilip DEVMETHOD(device_probe, sfxge_probe), 1183227569Sphilip DEVMETHOD(device_attach, sfxge_attach), 1184227569Sphilip DEVMETHOD(device_detach, sfxge_detach), 1185227569Sphilip 1186227843Smarius DEVMETHOD_END 1187227569Sphilip}; 1188227569Sphilip 1189227569Sphilipstatic devclass_t sfxge_devclass; 1190227569Sphilip 1191227569Sphilipstatic driver_t sfxge_driver = { 1192227569Sphilip "sfxge", 1193227569Sphilip sfxge_methods, 1194227569Sphilip sizeof(struct sfxge_softc) 1195227569Sphilip}; 1196227569Sphilip 1197227569SphilipDRIVER_MODULE(sfxge, pci, sfxge_driver, sfxge_devclass, 0, 0); 1198