sfxge.c revision 284555
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: stable/10/sys/dev/sfxge/sfxge.c 284555 2015-06-18 15:46:39Z 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 | \ 72227569Sphilip IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE) 73280501Sarybchik#define SFXGE_CAP_ENABLE SFXGE_CAP 74283215Sarybchik#define SFXGE_CAP_FIXED (IFCAP_VLAN_MTU | \ 75227569Sphilip IFCAP_JUMBO_MTU | IFCAP_LINKSTATE) 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 97227569Sphilipstatic void 98227569Sphilipsfxge_reset(void *arg, int npending); 99227569Sphilip 100227569Sphilipstatic int 101284555Sarybchiksfxge_estimate_rsrc_limits(struct sfxge_softc *sc) 102284555Sarybchik{ 103284555Sarybchik efx_drv_limits_t limits; 104284555Sarybchik int rc; 105284555Sarybchik unsigned int evq_max; 106284555Sarybchik uint32_t evq_allocated; 107284555Sarybchik uint32_t rxq_allocated; 108284555Sarybchik uint32_t txq_allocated; 109284555Sarybchik 110284555Sarybchik /* 111284555Sarybchik * Limit the number of event queues to: 112284555Sarybchik * - number of CPUs 113284555Sarybchik * - hardwire maximum RSS channels 114284555Sarybchik * - administratively specified maximum RSS channels 115284555Sarybchik */ 116284555Sarybchik evq_max = MIN(mp_ncpus, EFX_MAXRSS); 117284555Sarybchik if (sc->max_rss_channels > 0) 118284555Sarybchik evq_max = MIN(evq_max, sc->max_rss_channels); 119284555Sarybchik 120284555Sarybchik memset(&limits, 0, sizeof(limits)); 121284555Sarybchik 122284555Sarybchik limits.edl_min_evq_count = 1; 123284555Sarybchik limits.edl_max_evq_count = evq_max; 124284555Sarybchik limits.edl_min_txq_count = SFXGE_TXQ_NTYPES; 125284555Sarybchik limits.edl_max_txq_count = evq_max + SFXGE_TXQ_NTYPES - 1; 126284555Sarybchik limits.edl_min_rxq_count = 1; 127284555Sarybchik limits.edl_max_rxq_count = evq_max; 128284555Sarybchik 129284555Sarybchik efx_nic_set_drv_limits(sc->enp, &limits); 130284555Sarybchik 131284555Sarybchik if ((rc = efx_nic_init(sc->enp)) != 0) 132284555Sarybchik return (rc); 133284555Sarybchik 134284555Sarybchik rc = efx_nic_get_vi_pool(sc->enp, &evq_allocated, &rxq_allocated, 135284555Sarybchik &txq_allocated); 136284555Sarybchik if (rc != 0) { 137284555Sarybchik efx_nic_fini(sc->enp); 138284555Sarybchik return (rc); 139284555Sarybchik } 140284555Sarybchik 141284555Sarybchik KASSERT(txq_allocated >= SFXGE_TXQ_NTYPES, 142284555Sarybchik ("txq_allocated < SFXGE_TXQ_NTYPES")); 143284555Sarybchik 144284555Sarybchik sc->evq_max = MIN(evq_allocated, evq_max); 145284555Sarybchik sc->evq_max = MIN(rxq_allocated, sc->evq_max); 146284555Sarybchik sc->evq_max = MIN(txq_allocated - (SFXGE_TXQ_NTYPES - 1), 147284555Sarybchik sc->evq_max); 148284555Sarybchik 149284555Sarybchik KASSERT(sc->evq_max <= evq_max, 150284555Sarybchik ("allocated more than maximum requested")); 151284555Sarybchik 152284555Sarybchik /* 153284555Sarybchik * NIC is kept initialized in the case of success to be able to 154284555Sarybchik * initialize port to find out media types. 155284555Sarybchik */ 156284555Sarybchik return (0); 157284555Sarybchik} 158284555Sarybchik 159284555Sarybchikstatic int 160284555Sarybchiksfxge_set_drv_limits(struct sfxge_softc *sc) 161284555Sarybchik{ 162284555Sarybchik efx_drv_limits_t limits; 163284555Sarybchik 164284555Sarybchik memset(&limits, 0, sizeof(limits)); 165284555Sarybchik 166284555Sarybchik /* Limits are strict since take into account initial estimation */ 167284555Sarybchik limits.edl_min_evq_count = limits.edl_max_evq_count = 168284555Sarybchik sc->intr.n_alloc; 169284555Sarybchik limits.edl_min_txq_count = limits.edl_max_txq_count = 170284555Sarybchik sc->intr.n_alloc + SFXGE_TXQ_NTYPES - 1; 171284555Sarybchik limits.edl_min_rxq_count = limits.edl_max_rxq_count = 172284555Sarybchik sc->intr.n_alloc; 173284555Sarybchik 174284555Sarybchik return (efx_nic_set_drv_limits(sc->enp, &limits)); 175284555Sarybchik} 176284555Sarybchik 177284555Sarybchikstatic int 178227569Sphilipsfxge_start(struct sfxge_softc *sc) 179227569Sphilip{ 180227569Sphilip int rc; 181227569Sphilip 182280522Sarybchik SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc); 183227569Sphilip 184227569Sphilip if (sc->init_state == SFXGE_STARTED) 185280501Sarybchik return (0); 186227569Sphilip 187227569Sphilip if (sc->init_state != SFXGE_REGISTERED) { 188227569Sphilip rc = EINVAL; 189227569Sphilip goto fail; 190227569Sphilip } 191227569Sphilip 192284555Sarybchik /* Set required resource limits */ 193284555Sarybchik if ((rc = sfxge_set_drv_limits(sc)) != 0) 194284555Sarybchik goto fail; 195284555Sarybchik 196227569Sphilip if ((rc = efx_nic_init(sc->enp)) != 0) 197227569Sphilip goto fail; 198227569Sphilip 199227569Sphilip /* Start processing interrupts. */ 200227569Sphilip if ((rc = sfxge_intr_start(sc)) != 0) 201227569Sphilip goto fail2; 202227569Sphilip 203227569Sphilip /* Start processing events. */ 204227569Sphilip if ((rc = sfxge_ev_start(sc)) != 0) 205227569Sphilip goto fail3; 206227569Sphilip 207284555Sarybchik /* Fire up the port. */ 208284555Sarybchik if ((rc = sfxge_port_start(sc)) != 0) 209284555Sarybchik goto fail4; 210284555Sarybchik 211227569Sphilip /* Start the receiver side. */ 212227569Sphilip if ((rc = sfxge_rx_start(sc)) != 0) 213284555Sarybchik goto fail5; 214227569Sphilip 215227569Sphilip /* Start the transmitter side. */ 216227569Sphilip if ((rc = sfxge_tx_start(sc)) != 0) 217227569Sphilip goto fail6; 218227569Sphilip 219227569Sphilip sc->init_state = SFXGE_STARTED; 220227569Sphilip 221227569Sphilip /* Tell the stack we're running. */ 222227569Sphilip sc->ifnet->if_drv_flags |= IFF_DRV_RUNNING; 223227569Sphilip sc->ifnet->if_drv_flags &= ~IFF_DRV_OACTIVE; 224227569Sphilip 225227569Sphilip return (0); 226227569Sphilip 227227569Sphilipfail6: 228284555Sarybchik sfxge_rx_stop(sc); 229227569Sphilip 230227569Sphilipfail5: 231284555Sarybchik sfxge_port_stop(sc); 232227569Sphilip 233227569Sphilipfail4: 234227569Sphilip sfxge_ev_stop(sc); 235227569Sphilip 236227569Sphilipfail3: 237227569Sphilip sfxge_intr_stop(sc); 238227569Sphilip 239227569Sphilipfail2: 240227569Sphilip efx_nic_fini(sc->enp); 241227569Sphilip 242227569Sphilipfail: 243227569Sphilip device_printf(sc->dev, "sfxge_start: %d\n", rc); 244227569Sphilip 245227569Sphilip return (rc); 246227569Sphilip} 247227569Sphilip 248227569Sphilipstatic void 249227569Sphilipsfxge_if_init(void *arg) 250227569Sphilip{ 251227569Sphilip struct sfxge_softc *sc; 252227569Sphilip 253227569Sphilip sc = (struct sfxge_softc *)arg; 254227569Sphilip 255280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 256227569Sphilip (void)sfxge_start(sc); 257280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 258227569Sphilip} 259227569Sphilip 260227569Sphilipstatic void 261227569Sphilipsfxge_stop(struct sfxge_softc *sc) 262227569Sphilip{ 263280522Sarybchik SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc); 264227569Sphilip 265227569Sphilip if (sc->init_state != SFXGE_STARTED) 266227569Sphilip return; 267227569Sphilip 268227569Sphilip sc->init_state = SFXGE_REGISTERED; 269227569Sphilip 270227569Sphilip /* Stop the transmitter. */ 271227569Sphilip sfxge_tx_stop(sc); 272227569Sphilip 273227569Sphilip /* Stop the receiver. */ 274227569Sphilip sfxge_rx_stop(sc); 275227569Sphilip 276284555Sarybchik /* Stop the port. */ 277284555Sarybchik sfxge_port_stop(sc); 278284555Sarybchik 279227569Sphilip /* Stop processing events. */ 280227569Sphilip sfxge_ev_stop(sc); 281227569Sphilip 282227569Sphilip /* Stop processing interrupts. */ 283227569Sphilip sfxge_intr_stop(sc); 284227569Sphilip 285227569Sphilip efx_nic_fini(sc->enp); 286227569Sphilip 287227569Sphilip sc->ifnet->if_drv_flags &= ~IFF_DRV_RUNNING; 288227569Sphilip} 289227569Sphilip 290284555Sarybchik 291227569Sphilipstatic int 292284555Sarybchiksfxge_vpd_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ioc) 293284555Sarybchik{ 294284555Sarybchik efx_vpd_value_t value; 295284555Sarybchik int rc = 0; 296284555Sarybchik 297284555Sarybchik switch (ioc->u.vpd.op) { 298284555Sarybchik case SFXGE_VPD_OP_GET_KEYWORD: 299284555Sarybchik value.evv_tag = ioc->u.vpd.tag; 300284555Sarybchik value.evv_keyword = ioc->u.vpd.keyword; 301284555Sarybchik rc = efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value); 302284555Sarybchik if (rc != 0) 303284555Sarybchik break; 304284555Sarybchik ioc->u.vpd.len = MIN(ioc->u.vpd.len, value.evv_length); 305284555Sarybchik if (ioc->u.vpd.payload != 0) { 306284555Sarybchik rc = copyout(value.evv_value, ioc->u.vpd.payload, 307284555Sarybchik ioc->u.vpd.len); 308284555Sarybchik } 309284555Sarybchik break; 310284555Sarybchik case SFXGE_VPD_OP_SET_KEYWORD: 311284555Sarybchik if (ioc->u.vpd.len > sizeof(value.evv_value)) 312284555Sarybchik return (EINVAL); 313284555Sarybchik value.evv_tag = ioc->u.vpd.tag; 314284555Sarybchik value.evv_keyword = ioc->u.vpd.keyword; 315284555Sarybchik value.evv_length = ioc->u.vpd.len; 316284555Sarybchik rc = copyin(ioc->u.vpd.payload, value.evv_value, value.evv_length); 317284555Sarybchik if (rc != 0) 318284555Sarybchik break; 319284555Sarybchik rc = efx_vpd_set(sc->enp, sc->vpd_data, sc->vpd_size, &value); 320284555Sarybchik if (rc != 0) 321284555Sarybchik break; 322284555Sarybchik rc = efx_vpd_verify(sc->enp, sc->vpd_data, sc->vpd_size); 323284555Sarybchik if (rc != 0) 324284555Sarybchik break; 325284555Sarybchik rc = efx_vpd_write(sc->enp, sc->vpd_data, sc->vpd_size); 326284555Sarybchik break; 327284555Sarybchik default: 328284555Sarybchik rc = EOPNOTSUPP; 329284555Sarybchik break; 330284555Sarybchik } 331284555Sarybchik 332284555Sarybchik return (rc); 333284555Sarybchik} 334284555Sarybchik 335284555Sarybchikstatic int 336284555Sarybchiksfxge_private_ioctl(struct sfxge_softc *sc, sfxge_ioc_t *ioc) 337284555Sarybchik{ 338284555Sarybchik switch (ioc->op) { 339284555Sarybchik case SFXGE_MCDI_IOC: 340284555Sarybchik return (sfxge_mcdi_ioctl(sc, ioc)); 341284555Sarybchik case SFXGE_NVRAM_IOC: 342284555Sarybchik return (sfxge_nvram_ioctl(sc, ioc)); 343284555Sarybchik case SFXGE_VPD_IOC: 344284555Sarybchik return (sfxge_vpd_ioctl(sc, ioc)); 345284555Sarybchik default: 346284555Sarybchik return (EOPNOTSUPP); 347284555Sarybchik } 348284555Sarybchik} 349284555Sarybchik 350284555Sarybchik 351284555Sarybchikstatic int 352227569Sphilipsfxge_if_ioctl(struct ifnet *ifp, unsigned long command, caddr_t data) 353227569Sphilip{ 354227569Sphilip struct sfxge_softc *sc; 355227569Sphilip struct ifreq *ifr; 356284555Sarybchik sfxge_ioc_t ioc; 357227569Sphilip int error; 358227569Sphilip 359227569Sphilip ifr = (struct ifreq *)data; 360227569Sphilip sc = ifp->if_softc; 361227569Sphilip error = 0; 362227569Sphilip 363227569Sphilip switch (command) { 364227569Sphilip case SIOCSIFFLAGS: 365280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 366227569Sphilip if (ifp->if_flags & IFF_UP) { 367227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 368227569Sphilip if ((ifp->if_flags ^ sc->if_flags) & 369227569Sphilip (IFF_PROMISC | IFF_ALLMULTI)) { 370227569Sphilip sfxge_mac_filter_set(sc); 371227569Sphilip } 372227569Sphilip } else 373227569Sphilip sfxge_start(sc); 374227569Sphilip } else 375227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) 376227569Sphilip sfxge_stop(sc); 377227569Sphilip sc->if_flags = ifp->if_flags; 378280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 379227569Sphilip break; 380227569Sphilip case SIOCSIFMTU: 381227569Sphilip if (ifr->ifr_mtu == ifp->if_mtu) { 382227569Sphilip /* Nothing to do */ 383227569Sphilip error = 0; 384227569Sphilip } else if (ifr->ifr_mtu > SFXGE_MAX_MTU) { 385227569Sphilip error = EINVAL; 386227569Sphilip } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 387227569Sphilip ifp->if_mtu = ifr->ifr_mtu; 388227569Sphilip error = 0; 389227569Sphilip } else { 390227569Sphilip /* Restart required */ 391280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 392227569Sphilip sfxge_stop(sc); 393227569Sphilip ifp->if_mtu = ifr->ifr_mtu; 394227569Sphilip error = sfxge_start(sc); 395280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 396280501Sarybchik if (error != 0) { 397227569Sphilip ifp->if_flags &= ~IFF_UP; 398227569Sphilip ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 399227569Sphilip if_down(ifp); 400227569Sphilip } 401227569Sphilip } 402227569Sphilip break; 403227569Sphilip case SIOCADDMULTI: 404227569Sphilip case SIOCDELMULTI: 405227569Sphilip if (ifp->if_drv_flags & IFF_DRV_RUNNING) 406227569Sphilip sfxge_mac_filter_set(sc); 407227569Sphilip break; 408227569Sphilip case SIOCSIFCAP: 409283212Sarybchik { 410283212Sarybchik int reqcap = ifr->ifr_reqcap; 411283212Sarybchik int capchg_mask; 412283212Sarybchik 413280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 414227569Sphilip 415283212Sarybchik /* Capabilities to be changed in accordance with request */ 416283212Sarybchik capchg_mask = ifp->if_capenable ^ reqcap; 417283212Sarybchik 418227569Sphilip /* 419227569Sphilip * The networking core already rejects attempts to 420227569Sphilip * enable capabilities we don't have. We still have 421227569Sphilip * to reject attempts to disable capabilities that we 422227569Sphilip * can't (yet) disable. 423227569Sphilip */ 424283212Sarybchik KASSERT((reqcap & ~ifp->if_capabilities) == 0, 425284555Sarybchik ("Unsupported capabilities 0x%x requested 0x%x vs " 426284555Sarybchik "supported 0x%x", 427283212Sarybchik reqcap & ~ifp->if_capabilities, 428283212Sarybchik reqcap , ifp->if_capabilities)); 429283212Sarybchik if (capchg_mask & SFXGE_CAP_FIXED) { 430227569Sphilip error = EINVAL; 431280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 432227569Sphilip break; 433227569Sphilip } 434227569Sphilip 435283216Sarybchik /* Check request before any changes */ 436283216Sarybchik if ((capchg_mask & IFCAP_TSO4) && 437283216Sarybchik (reqcap & (IFCAP_TSO4 | IFCAP_TXCSUM)) == IFCAP_TSO4) { 438283216Sarybchik error = EAGAIN; 439283216Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 440283216Sarybchik if_printf(ifp, "enable txcsum before tso4\n"); 441283216Sarybchik break; 442283216Sarybchik } 443283216Sarybchik if ((capchg_mask & IFCAP_TSO6) && 444283216Sarybchik (reqcap & (IFCAP_TSO6 | IFCAP_TXCSUM_IPV6)) == IFCAP_TSO6) { 445283216Sarybchik error = EAGAIN; 446283216Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 447283216Sarybchik if_printf(ifp, "enable txcsum6 before tso6\n"); 448283216Sarybchik break; 449283216Sarybchik } 450283216Sarybchik 451283216Sarybchik if (reqcap & IFCAP_TXCSUM) { 452227569Sphilip ifp->if_hwassist |= (CSUM_IP | CSUM_TCP | CSUM_UDP); 453283216Sarybchik } else { 454227569Sphilip ifp->if_hwassist &= ~(CSUM_IP | CSUM_TCP | CSUM_UDP); 455283216Sarybchik if (reqcap & IFCAP_TSO4) { 456283216Sarybchik reqcap &= ~IFCAP_TSO4; 457283216Sarybchik if_printf(ifp, 458283216Sarybchik "tso4 disabled due to -txcsum\n"); 459283216Sarybchik } 460283216Sarybchik } 461283216Sarybchik if (reqcap & IFCAP_TXCSUM_IPV6) { 462283205Sarybchik ifp->if_hwassist |= (CSUM_TCP_IPV6 | CSUM_UDP_IPV6); 463283216Sarybchik } else { 464283205Sarybchik ifp->if_hwassist &= ~(CSUM_TCP_IPV6 | CSUM_UDP_IPV6); 465283216Sarybchik if (reqcap & IFCAP_TSO6) { 466283216Sarybchik reqcap &= ~IFCAP_TSO6; 467283216Sarybchik if_printf(ifp, 468283216Sarybchik "tso6 disabled due to -txcsum6\n"); 469283216Sarybchik } 470283216Sarybchik } 471227569Sphilip 472283207Sarybchik /* 473283207Sarybchik * The kernel takes both IFCAP_TSOx and CSUM_TSO into 474283207Sarybchik * account before using TSO. So, we do not touch 475283207Sarybchik * checksum flags when IFCAP_TSOx is modified. 476283207Sarybchik * Note that CSUM_TSO is (CSUM_IP_TSO|CSUM_IP6_TSO), 477283207Sarybchik * but both bits are set in IPv4 and IPv6 mbufs. 478283207Sarybchik */ 479283207Sarybchik 480283212Sarybchik ifp->if_capenable = reqcap; 481283212Sarybchik 482280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 483227569Sphilip break; 484283212Sarybchik } 485227569Sphilip case SIOCSIFMEDIA: 486227569Sphilip case SIOCGIFMEDIA: 487227569Sphilip error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 488227569Sphilip break; 489284555Sarybchik case SIOCGPRIVATE_0: 490284555Sarybchik error = priv_check(curthread, PRIV_DRIVER); 491284555Sarybchik if (error != 0) 492284555Sarybchik break; 493284555Sarybchik error = copyin(ifr->ifr_data, &ioc, sizeof(ioc)); 494284555Sarybchik if (error != 0) 495284555Sarybchik return (error); 496284555Sarybchik error = sfxge_private_ioctl(sc, &ioc); 497284555Sarybchik if (error == 0) { 498284555Sarybchik error = copyout(&ioc, ifr->ifr_data, sizeof(ioc)); 499284555Sarybchik } 500284555Sarybchik break; 501227569Sphilip default: 502227569Sphilip error = ether_ioctl(ifp, command, data); 503227569Sphilip } 504227569Sphilip 505227569Sphilip return (error); 506227569Sphilip} 507227569Sphilip 508227569Sphilipstatic void 509227569Sphilipsfxge_ifnet_fini(struct ifnet *ifp) 510227569Sphilip{ 511227569Sphilip struct sfxge_softc *sc = ifp->if_softc; 512227569Sphilip 513280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 514227569Sphilip sfxge_stop(sc); 515280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 516227569Sphilip 517227569Sphilip ifmedia_removeall(&sc->media); 518227569Sphilip ether_ifdetach(ifp); 519227569Sphilip if_free(ifp); 520227569Sphilip} 521227569Sphilip 522280501Sarybchikstatic int 523227569Sphilipsfxge_ifnet_init(struct ifnet *ifp, struct sfxge_softc *sc) 524227569Sphilip{ 525227569Sphilip const efx_nic_cfg_t *encp = efx_nic_cfg_get(sc->enp); 526227569Sphilip device_t dev; 527227569Sphilip int rc; 528227569Sphilip 529227569Sphilip dev = sc->dev; 530227569Sphilip sc->ifnet = ifp; 531227569Sphilip 532227569Sphilip if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 533227569Sphilip ifp->if_init = sfxge_if_init; 534227569Sphilip ifp->if_softc = sc; 535227569Sphilip ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 536227569Sphilip ifp->if_ioctl = sfxge_if_ioctl; 537227569Sphilip 538227569Sphilip ifp->if_capabilities = SFXGE_CAP; 539227569Sphilip ifp->if_capenable = SFXGE_CAP_ENABLE; 540283217Sarybchik 541283217Sarybchik#ifdef SFXGE_LRO 542283217Sarybchik ifp->if_capabilities |= IFCAP_LRO; 543283217Sarybchik ifp->if_capenable |= IFCAP_LRO; 544283217Sarybchik#endif 545283217Sarybchik 546284555Sarybchik if (encp->enc_hw_tx_insert_vlan_enabled) { 547284555Sarybchik ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; 548284555Sarybchik ifp->if_capenable |= IFCAP_VLAN_HWTAGGING; 549284555Sarybchik } 550283205Sarybchik ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO | 551283205Sarybchik CSUM_TCP_IPV6 | CSUM_UDP_IPV6; 552227569Sphilip 553227569Sphilip ether_ifattach(ifp, encp->enc_mac_addr); 554227569Sphilip 555227569Sphilip ifp->if_transmit = sfxge_if_transmit; 556227569Sphilip ifp->if_qflush = sfxge_if_qflush; 557227569Sphilip 558284555Sarybchik DBGPRINT(sc->dev, "ifmedia_init"); 559227569Sphilip if ((rc = sfxge_port_ifmedia_init(sc)) != 0) 560227569Sphilip goto fail; 561227569Sphilip 562280501Sarybchik return (0); 563227569Sphilip 564227569Sphilipfail: 565227569Sphilip ether_ifdetach(sc->ifnet); 566280501Sarybchik return (rc); 567227569Sphilip} 568227569Sphilip 569227569Sphilipvoid 570227569Sphilipsfxge_sram_buf_tbl_alloc(struct sfxge_softc *sc, size_t n, uint32_t *idp) 571227569Sphilip{ 572227569Sphilip KASSERT(sc->buffer_table_next + n <= 573227569Sphilip efx_nic_cfg_get(sc->enp)->enc_buftbl_limit, 574227569Sphilip ("buffer table full")); 575227569Sphilip 576227569Sphilip *idp = sc->buffer_table_next; 577227569Sphilip sc->buffer_table_next += n; 578227569Sphilip} 579227569Sphilip 580227569Sphilipstatic int 581227569Sphilipsfxge_bar_init(struct sfxge_softc *sc) 582227569Sphilip{ 583227569Sphilip efsys_bar_t *esbp = &sc->bar; 584227569Sphilip 585280501Sarybchik esbp->esb_rid = PCIR_BAR(EFX_MEM_BAR); 586227569Sphilip if ((esbp->esb_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 587227569Sphilip &esbp->esb_rid, RF_ACTIVE)) == NULL) { 588227569Sphilip device_printf(sc->dev, "Cannot allocate BAR region %d\n", 589227569Sphilip EFX_MEM_BAR); 590227569Sphilip return (ENXIO); 591227569Sphilip } 592227569Sphilip esbp->esb_tag = rman_get_bustag(esbp->esb_res); 593227569Sphilip esbp->esb_handle = rman_get_bushandle(esbp->esb_res); 594227569Sphilip 595280524Sarybchik SFXGE_BAR_LOCK_INIT(esbp, device_get_nameunit(sc->dev)); 596280524Sarybchik 597227569Sphilip return (0); 598227569Sphilip} 599227569Sphilip 600227569Sphilipstatic void 601227569Sphilipsfxge_bar_fini(struct sfxge_softc *sc) 602227569Sphilip{ 603227569Sphilip efsys_bar_t *esbp = &sc->bar; 604227569Sphilip 605227569Sphilip bus_release_resource(sc->dev, SYS_RES_MEMORY, esbp->esb_rid, 606227569Sphilip esbp->esb_res); 607280522Sarybchik SFXGE_BAR_LOCK_DESTROY(esbp); 608227569Sphilip} 609227569Sphilip 610227569Sphilipstatic int 611227569Sphilipsfxge_create(struct sfxge_softc *sc) 612227569Sphilip{ 613227569Sphilip device_t dev; 614227569Sphilip efx_nic_t *enp; 615227569Sphilip int error; 616280518Sarybchik char rss_param_name[sizeof(SFXGE_PARAM(%d.max_rss_channels))]; 617227569Sphilip 618227569Sphilip dev = sc->dev; 619227569Sphilip 620280524Sarybchik SFXGE_ADAPTER_LOCK_INIT(sc, device_get_nameunit(sc->dev)); 621227569Sphilip 622280518Sarybchik sc->max_rss_channels = 0; 623280518Sarybchik snprintf(rss_param_name, sizeof(rss_param_name), 624280518Sarybchik SFXGE_PARAM(%d.max_rss_channels), 625280518Sarybchik (int)device_get_unit(dev)); 626280518Sarybchik TUNABLE_INT_FETCH(rss_param_name, &sc->max_rss_channels); 627280518Sarybchik 628227569Sphilip sc->stats_node = SYSCTL_ADD_NODE( 629227569Sphilip device_get_sysctl_ctx(dev), 630227569Sphilip SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 631227569Sphilip OID_AUTO, "stats", CTLFLAG_RD, NULL, "Statistics"); 632280501Sarybchik if (sc->stats_node == NULL) { 633227569Sphilip error = ENOMEM; 634227569Sphilip goto fail; 635227569Sphilip } 636227569Sphilip 637227569Sphilip TASK_INIT(&sc->task_reset, 0, sfxge_reset, sc); 638227569Sphilip 639227569Sphilip (void) pci_enable_busmaster(dev); 640227569Sphilip 641227569Sphilip /* Initialize DMA mappings. */ 642284555Sarybchik DBGPRINT(sc->dev, "dma_init..."); 643227569Sphilip if ((error = sfxge_dma_init(sc)) != 0) 644227569Sphilip goto fail; 645227569Sphilip 646227569Sphilip /* Map the device registers. */ 647284555Sarybchik DBGPRINT(sc->dev, "bar_init..."); 648227569Sphilip if ((error = sfxge_bar_init(sc)) != 0) 649227569Sphilip goto fail; 650227569Sphilip 651227569Sphilip error = efx_family(pci_get_vendor(dev), pci_get_device(dev), 652227569Sphilip &sc->family); 653227569Sphilip KASSERT(error == 0, ("Family should be filtered by sfxge_probe()")); 654227569Sphilip 655284555Sarybchik DBGPRINT(sc->dev, "nic_create..."); 656284555Sarybchik 657227569Sphilip /* Create the common code nic object. */ 658280524Sarybchik SFXGE_EFSYS_LOCK_INIT(&sc->enp_lock, 659280524Sarybchik device_get_nameunit(sc->dev), "nic"); 660227569Sphilip if ((error = efx_nic_create(sc->family, (efsys_identifier_t *)sc, 661227569Sphilip &sc->bar, &sc->enp_lock, &enp)) != 0) 662227569Sphilip goto fail3; 663227569Sphilip sc->enp = enp; 664227569Sphilip 665280502Sarybchik if (!ISP2(sfxge_rx_ring_entries) || 666284555Sarybchik (sfxge_rx_ring_entries < EFX_RXQ_MINNDESCS) || 667284555Sarybchik (sfxge_rx_ring_entries > EFX_RXQ_MAXNDESCS)) { 668280502Sarybchik log(LOG_ERR, "%s=%d must be power of 2 from %u to %u", 669280502Sarybchik SFXGE_PARAM_RX_RING, sfxge_rx_ring_entries, 670280502Sarybchik EFX_RXQ_MINNDESCS, EFX_RXQ_MAXNDESCS); 671280502Sarybchik error = EINVAL; 672280502Sarybchik goto fail_rx_ring_entries; 673280502Sarybchik } 674280502Sarybchik sc->rxq_entries = sfxge_rx_ring_entries; 675280502Sarybchik 676280502Sarybchik if (!ISP2(sfxge_tx_ring_entries) || 677284555Sarybchik (sfxge_tx_ring_entries < EFX_TXQ_MINNDESCS) || 678284555Sarybchik (sfxge_tx_ring_entries > EFX_TXQ_MAXNDESCS(efx_nic_cfg_get(enp)))) { 679280502Sarybchik log(LOG_ERR, "%s=%d must be power of 2 from %u to %u", 680280502Sarybchik SFXGE_PARAM_TX_RING, sfxge_tx_ring_entries, 681284555Sarybchik EFX_TXQ_MINNDESCS, EFX_TXQ_MAXNDESCS(efx_nic_cfg_get(enp))); 682280502Sarybchik error = EINVAL; 683280502Sarybchik goto fail_tx_ring_entries; 684280502Sarybchik } 685280502Sarybchik sc->txq_entries = sfxge_tx_ring_entries; 686280502Sarybchik 687227569Sphilip /* Initialize MCDI to talk to the microcontroller. */ 688284555Sarybchik DBGPRINT(sc->dev, "mcdi_init..."); 689227569Sphilip if ((error = sfxge_mcdi_init(sc)) != 0) 690227569Sphilip goto fail4; 691227569Sphilip 692227569Sphilip /* Probe the NIC and build the configuration data area. */ 693284555Sarybchik DBGPRINT(sc->dev, "nic_probe..."); 694227569Sphilip if ((error = efx_nic_probe(enp)) != 0) 695227569Sphilip goto fail5; 696227569Sphilip 697280601Sarybchik SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 698280601Sarybchik SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 699280601Sarybchik OID_AUTO, "version", CTLFLAG_RD, 700280601Sarybchik SFXGE_VERSION_STRING, 0, 701280601Sarybchik "Driver version"); 702280601Sarybchik 703284555Sarybchik SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 704284555Sarybchik SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 705284555Sarybchik OID_AUTO, "phy_type", CTLFLAG_RD, 706284555Sarybchik NULL, efx_nic_cfg_get(enp)->enc_phy_type, 707284555Sarybchik "PHY type"); 708284555Sarybchik 709227569Sphilip /* Initialize the NVRAM. */ 710284555Sarybchik DBGPRINT(sc->dev, "nvram_init..."); 711227569Sphilip if ((error = efx_nvram_init(enp)) != 0) 712227569Sphilip goto fail6; 713227569Sphilip 714227569Sphilip /* Initialize the VPD. */ 715284555Sarybchik DBGPRINT(sc->dev, "vpd_init..."); 716227569Sphilip if ((error = efx_vpd_init(enp)) != 0) 717227569Sphilip goto fail7; 718227569Sphilip 719284555Sarybchik efx_mcdi_new_epoch(enp); 720284555Sarybchik 721227569Sphilip /* Reset the NIC. */ 722284555Sarybchik DBGPRINT(sc->dev, "nic_reset..."); 723227569Sphilip if ((error = efx_nic_reset(enp)) != 0) 724227569Sphilip goto fail8; 725227569Sphilip 726227569Sphilip /* Initialize buffer table allocation. */ 727227569Sphilip sc->buffer_table_next = 0; 728227569Sphilip 729284555Sarybchik /* 730284555Sarybchik * Guarantee minimum and estimate maximum number of event queues 731284555Sarybchik * to take it into account when MSI-X interrupts are allocated. 732284555Sarybchik * It initializes NIC and keeps it initialized on success. 733284555Sarybchik */ 734284555Sarybchik if ((error = sfxge_estimate_rsrc_limits(sc)) != 0) 735284555Sarybchik goto fail8; 736284555Sarybchik 737227569Sphilip /* Set up interrupts. */ 738284555Sarybchik DBGPRINT(sc->dev, "intr_init..."); 739227569Sphilip if ((error = sfxge_intr_init(sc)) != 0) 740284555Sarybchik goto fail9; 741227569Sphilip 742227569Sphilip /* Initialize event processing state. */ 743284555Sarybchik DBGPRINT(sc->dev, "ev_init..."); 744227569Sphilip if ((error = sfxge_ev_init(sc)) != 0) 745227569Sphilip goto fail11; 746227569Sphilip 747284555Sarybchik /* Initialize port state. */ 748284555Sarybchik DBGPRINT(sc->dev, "port_init..."); 749284555Sarybchik if ((error = sfxge_port_init(sc)) != 0) 750284555Sarybchik goto fail12; 751284555Sarybchik 752227569Sphilip /* Initialize receive state. */ 753284555Sarybchik DBGPRINT(sc->dev, "rx_init..."); 754227569Sphilip if ((error = sfxge_rx_init(sc)) != 0) 755284555Sarybchik goto fail13; 756227569Sphilip 757227569Sphilip /* Initialize transmit state. */ 758284555Sarybchik DBGPRINT(sc->dev, "tx_init..."); 759227569Sphilip if ((error = sfxge_tx_init(sc)) != 0) 760227569Sphilip goto fail14; 761227569Sphilip 762227569Sphilip sc->init_state = SFXGE_INITIALIZED; 763227569Sphilip 764284555Sarybchik DBGPRINT(sc->dev, "success"); 765227569Sphilip return (0); 766227569Sphilip 767227569Sphilipfail14: 768284555Sarybchik sfxge_rx_fini(sc); 769227569Sphilip 770227569Sphilipfail13: 771284555Sarybchik sfxge_port_fini(sc); 772227569Sphilip 773227569Sphilipfail12: 774227569Sphilip sfxge_ev_fini(sc); 775227569Sphilip 776227569Sphilipfail11: 777227569Sphilip sfxge_intr_fini(sc); 778227569Sphilip 779284555Sarybchikfail9: 780284555Sarybchik efx_nic_fini(sc->enp); 781284555Sarybchik 782227569Sphilipfail8: 783227569Sphilip efx_vpd_fini(enp); 784227569Sphilip 785227569Sphilipfail7: 786227569Sphilip efx_nvram_fini(enp); 787227569Sphilip 788227569Sphilipfail6: 789227569Sphilip efx_nic_unprobe(enp); 790227569Sphilip 791227569Sphilipfail5: 792227569Sphilip sfxge_mcdi_fini(sc); 793227569Sphilip 794227569Sphilipfail4: 795280502Sarybchikfail_tx_ring_entries: 796280502Sarybchikfail_rx_ring_entries: 797227569Sphilip sc->enp = NULL; 798227569Sphilip efx_nic_destroy(enp); 799280524Sarybchik SFXGE_EFSYS_LOCK_DESTROY(&sc->enp_lock); 800227569Sphilip 801227569Sphilipfail3: 802227569Sphilip sfxge_bar_fini(sc); 803227569Sphilip (void) pci_disable_busmaster(sc->dev); 804227569Sphilip 805227569Sphilipfail: 806284555Sarybchik DBGPRINT(sc->dev, "failed %d", error); 807227569Sphilip sc->dev = NULL; 808280522Sarybchik SFXGE_ADAPTER_LOCK_DESTROY(sc); 809227569Sphilip return (error); 810227569Sphilip} 811227569Sphilip 812227569Sphilipstatic void 813227569Sphilipsfxge_destroy(struct sfxge_softc *sc) 814227569Sphilip{ 815227569Sphilip efx_nic_t *enp; 816227569Sphilip 817227569Sphilip /* Clean up transmit state. */ 818227569Sphilip sfxge_tx_fini(sc); 819227569Sphilip 820227569Sphilip /* Clean up receive state. */ 821227569Sphilip sfxge_rx_fini(sc); 822227569Sphilip 823284555Sarybchik /* Clean up port state. */ 824284555Sarybchik sfxge_port_fini(sc); 825284555Sarybchik 826227569Sphilip /* Clean up event processing state. */ 827227569Sphilip sfxge_ev_fini(sc); 828227569Sphilip 829227569Sphilip /* Clean up interrupts. */ 830227569Sphilip sfxge_intr_fini(sc); 831227569Sphilip 832227569Sphilip /* Tear down common code subsystems. */ 833227569Sphilip efx_nic_reset(sc->enp); 834227569Sphilip efx_vpd_fini(sc->enp); 835227569Sphilip efx_nvram_fini(sc->enp); 836227569Sphilip efx_nic_unprobe(sc->enp); 837227569Sphilip 838227569Sphilip /* Tear down MCDI. */ 839227569Sphilip sfxge_mcdi_fini(sc); 840227569Sphilip 841227569Sphilip /* Destroy common code context. */ 842227569Sphilip enp = sc->enp; 843227569Sphilip sc->enp = NULL; 844227569Sphilip efx_nic_destroy(enp); 845227569Sphilip 846227569Sphilip /* Free DMA memory. */ 847227569Sphilip sfxge_dma_fini(sc); 848227569Sphilip 849227569Sphilip /* Free mapped BARs. */ 850227569Sphilip sfxge_bar_fini(sc); 851227569Sphilip 852227569Sphilip (void) pci_disable_busmaster(sc->dev); 853227569Sphilip 854227569Sphilip taskqueue_drain(taskqueue_thread, &sc->task_reset); 855227569Sphilip 856227569Sphilip /* Destroy the softc lock. */ 857280522Sarybchik SFXGE_ADAPTER_LOCK_DESTROY(sc); 858227569Sphilip} 859227569Sphilip 860227569Sphilipstatic int 861227569Sphilipsfxge_vpd_handler(SYSCTL_HANDLER_ARGS) 862227569Sphilip{ 863227569Sphilip struct sfxge_softc *sc = arg1; 864227569Sphilip efx_vpd_value_t value; 865227569Sphilip int rc; 866280501Sarybchik 867227569Sphilip value.evv_tag = arg2 >> 16; 868227569Sphilip value.evv_keyword = arg2 & 0xffff; 869227569Sphilip if ((rc = efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value)) 870227569Sphilip != 0) 871280501Sarybchik return (rc); 872227569Sphilip 873280501Sarybchik return (SYSCTL_OUT(req, value.evv_value, value.evv_length)); 874227569Sphilip} 875227569Sphilip 876227569Sphilipstatic void 877227569Sphilipsfxge_vpd_try_add(struct sfxge_softc *sc, struct sysctl_oid_list *list, 878227569Sphilip efx_vpd_tag_t tag, const char *keyword) 879227569Sphilip{ 880227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 881227569Sphilip efx_vpd_value_t value; 882227569Sphilip 883227569Sphilip /* Check whether VPD tag/keyword is present */ 884227569Sphilip value.evv_tag = tag; 885227569Sphilip value.evv_keyword = EFX_VPD_KEYWORD(keyword[0], keyword[1]); 886227569Sphilip if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) != 0) 887227569Sphilip return; 888227569Sphilip 889227569Sphilip SYSCTL_ADD_PROC( 890227569Sphilip ctx, list, OID_AUTO, keyword, CTLTYPE_STRING|CTLFLAG_RD, 891227569Sphilip sc, tag << 16 | EFX_VPD_KEYWORD(keyword[0], keyword[1]), 892227569Sphilip sfxge_vpd_handler, "A", ""); 893227569Sphilip} 894227569Sphilip 895227569Sphilipstatic int 896227569Sphilipsfxge_vpd_init(struct sfxge_softc *sc) 897227569Sphilip{ 898227569Sphilip struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev); 899227569Sphilip struct sysctl_oid *vpd_node; 900227569Sphilip struct sysctl_oid_list *vpd_list; 901227569Sphilip char keyword[3]; 902227569Sphilip efx_vpd_value_t value; 903227569Sphilip int rc; 904227569Sphilip 905227569Sphilip if ((rc = efx_vpd_size(sc->enp, &sc->vpd_size)) != 0) 906227569Sphilip goto fail; 907227569Sphilip sc->vpd_data = malloc(sc->vpd_size, M_SFXGE, M_WAITOK); 908227569Sphilip if ((rc = efx_vpd_read(sc->enp, sc->vpd_data, sc->vpd_size)) != 0) 909227569Sphilip goto fail2; 910227569Sphilip 911227569Sphilip /* Copy ID (product name) into device description, and log it. */ 912227569Sphilip value.evv_tag = EFX_VPD_ID; 913227569Sphilip if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) == 0) { 914227569Sphilip value.evv_value[value.evv_length] = 0; 915227569Sphilip device_set_desc_copy(sc->dev, value.evv_value); 916227569Sphilip device_printf(sc->dev, "%s\n", value.evv_value); 917227569Sphilip } 918227569Sphilip 919227569Sphilip vpd_node = SYSCTL_ADD_NODE( 920227569Sphilip ctx, SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), 921227569Sphilip OID_AUTO, "vpd", CTLFLAG_RD, NULL, "Vital Product Data"); 922227569Sphilip vpd_list = SYSCTL_CHILDREN(vpd_node); 923227569Sphilip 924227569Sphilip /* Add sysctls for all expected and any vendor-defined keywords. */ 925227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "PN"); 926227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "EC"); 927227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "SN"); 928227569Sphilip keyword[0] = 'V'; 929227569Sphilip keyword[2] = 0; 930227569Sphilip for (keyword[1] = '0'; keyword[1] <= '9'; keyword[1]++) 931227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword); 932227569Sphilip for (keyword[1] = 'A'; keyword[1] <= 'Z'; keyword[1]++) 933227569Sphilip sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword); 934227569Sphilip 935280501Sarybchik return (0); 936280501Sarybchik 937227569Sphilipfail2: 938227569Sphilip free(sc->vpd_data, M_SFXGE); 939227569Sphilipfail: 940280501Sarybchik return (rc); 941227569Sphilip} 942227569Sphilip 943227569Sphilipstatic void 944227569Sphilipsfxge_vpd_fini(struct sfxge_softc *sc) 945227569Sphilip{ 946227569Sphilip free(sc->vpd_data, M_SFXGE); 947227569Sphilip} 948227569Sphilip 949227569Sphilipstatic void 950227569Sphilipsfxge_reset(void *arg, int npending) 951227569Sphilip{ 952227569Sphilip struct sfxge_softc *sc; 953227569Sphilip int rc; 954284555Sarybchik unsigned attempt; 955227569Sphilip 956227569Sphilip (void)npending; 957227569Sphilip 958227569Sphilip sc = (struct sfxge_softc *)arg; 959227569Sphilip 960280522Sarybchik SFXGE_ADAPTER_LOCK(sc); 961227569Sphilip 962227569Sphilip if (sc->init_state != SFXGE_STARTED) 963227569Sphilip goto done; 964227569Sphilip 965227569Sphilip sfxge_stop(sc); 966227569Sphilip efx_nic_reset(sc->enp); 967284555Sarybchik for (attempt = 0; attempt < 3; ++attempt) { 968284555Sarybchik if ((rc = sfxge_start(sc)) == 0) 969284555Sarybchik goto done; 970227569Sphilip 971284555Sarybchik device_printf(sc->dev, "start on reset failed (%d)\n", rc); 972284555Sarybchik DELAY(100000); 973284555Sarybchik } 974284555Sarybchik 975284555Sarybchik device_printf(sc->dev, "reset failed; interface is now stopped\n"); 976284555Sarybchik 977227569Sphilipdone: 978280522Sarybchik SFXGE_ADAPTER_UNLOCK(sc); 979227569Sphilip} 980227569Sphilip 981227569Sphilipvoid 982227569Sphilipsfxge_schedule_reset(struct sfxge_softc *sc) 983227569Sphilip{ 984227569Sphilip taskqueue_enqueue(taskqueue_thread, &sc->task_reset); 985227569Sphilip} 986227569Sphilip 987227569Sphilipstatic int 988227569Sphilipsfxge_attach(device_t dev) 989227569Sphilip{ 990227569Sphilip struct sfxge_softc *sc; 991227569Sphilip struct ifnet *ifp; 992227569Sphilip int error; 993227569Sphilip 994227569Sphilip sc = device_get_softc(dev); 995227569Sphilip sc->dev = dev; 996227569Sphilip 997227569Sphilip /* Allocate ifnet. */ 998227569Sphilip ifp = if_alloc(IFT_ETHER); 999227569Sphilip if (ifp == NULL) { 1000227569Sphilip device_printf(dev, "Couldn't allocate ifnet\n"); 1001227569Sphilip error = ENOMEM; 1002227569Sphilip goto fail; 1003227569Sphilip } 1004227569Sphilip sc->ifnet = ifp; 1005227569Sphilip 1006227569Sphilip /* Initialize hardware. */ 1007284555Sarybchik DBGPRINT(sc->dev, "create nic"); 1008227569Sphilip if ((error = sfxge_create(sc)) != 0) 1009227569Sphilip goto fail2; 1010227569Sphilip 1011227569Sphilip /* Create the ifnet for the port. */ 1012284555Sarybchik DBGPRINT(sc->dev, "init ifnet"); 1013227569Sphilip if ((error = sfxge_ifnet_init(ifp, sc)) != 0) 1014227569Sphilip goto fail3; 1015227569Sphilip 1016284555Sarybchik DBGPRINT(sc->dev, "init vpd"); 1017227569Sphilip if ((error = sfxge_vpd_init(sc)) != 0) 1018227569Sphilip goto fail4; 1019227569Sphilip 1020284555Sarybchik /* 1021284555Sarybchik * NIC is initialized inside sfxge_create() and kept inialized 1022284555Sarybchik * to be able to initialize port to discover media types in 1023284555Sarybchik * sfxge_ifnet_init(). 1024284555Sarybchik */ 1025284555Sarybchik efx_nic_fini(sc->enp); 1026284555Sarybchik 1027227569Sphilip sc->init_state = SFXGE_REGISTERED; 1028227569Sphilip 1029284555Sarybchik DBGPRINT(sc->dev, "success"); 1030227569Sphilip return (0); 1031227569Sphilip 1032227569Sphilipfail4: 1033227569Sphilip sfxge_ifnet_fini(ifp); 1034227569Sphilipfail3: 1035284555Sarybchik efx_nic_fini(sc->enp); 1036227569Sphilip sfxge_destroy(sc); 1037227569Sphilip 1038227569Sphilipfail2: 1039227569Sphilip if_free(sc->ifnet); 1040227569Sphilip 1041227569Sphilipfail: 1042284555Sarybchik DBGPRINT(sc->dev, "failed %d", error); 1043227569Sphilip return (error); 1044227569Sphilip} 1045227569Sphilip 1046227569Sphilipstatic int 1047227569Sphilipsfxge_detach(device_t dev) 1048227569Sphilip{ 1049227569Sphilip struct sfxge_softc *sc; 1050227569Sphilip 1051227569Sphilip sc = device_get_softc(dev); 1052227569Sphilip 1053227569Sphilip sfxge_vpd_fini(sc); 1054227569Sphilip 1055227569Sphilip /* Destroy the ifnet. */ 1056227569Sphilip sfxge_ifnet_fini(sc->ifnet); 1057227569Sphilip 1058227569Sphilip /* Tear down hardware. */ 1059227569Sphilip sfxge_destroy(sc); 1060227569Sphilip 1061227569Sphilip return (0); 1062227569Sphilip} 1063227569Sphilip 1064227569Sphilipstatic int 1065227569Sphilipsfxge_probe(device_t dev) 1066227569Sphilip{ 1067227569Sphilip uint16_t pci_vendor_id; 1068227569Sphilip uint16_t pci_device_id; 1069227569Sphilip efx_family_t family; 1070227569Sphilip int rc; 1071227569Sphilip 1072227569Sphilip pci_vendor_id = pci_get_vendor(dev); 1073227569Sphilip pci_device_id = pci_get_device(dev); 1074227569Sphilip 1075284555Sarybchik DBGPRINT(dev, "PCI ID %04x:%04x", pci_vendor_id, pci_device_id); 1076227569Sphilip rc = efx_family(pci_vendor_id, pci_device_id, &family); 1077284555Sarybchik if (rc != 0) { 1078284555Sarybchik DBGPRINT(dev, "efx_family fail %d", rc); 1079280501Sarybchik return (ENXIO); 1080284555Sarybchik } 1081227569Sphilip 1082284555Sarybchik if (family == EFX_FAMILY_SIENA) { 1083284555Sarybchik device_set_desc(dev, "Solarflare SFC9000 family"); 1084284555Sarybchik return (0); 1085284555Sarybchik } 1086284555Sarybchik 1087284555Sarybchik if (family == EFX_FAMILY_HUNTINGTON) { 1088284555Sarybchik device_set_desc(dev, "Solarflare SFC9100 family"); 1089284555Sarybchik return (0); 1090284555Sarybchik } 1091284555Sarybchik 1092284555Sarybchik DBGPRINT(dev, "impossible controller family %d", family); 1093284555Sarybchik return (ENXIO); 1094227569Sphilip} 1095227569Sphilip 1096227569Sphilipstatic device_method_t sfxge_methods[] = { 1097227569Sphilip DEVMETHOD(device_probe, sfxge_probe), 1098227569Sphilip DEVMETHOD(device_attach, sfxge_attach), 1099227569Sphilip DEVMETHOD(device_detach, sfxge_detach), 1100227569Sphilip 1101227843Smarius DEVMETHOD_END 1102227569Sphilip}; 1103227569Sphilip 1104227569Sphilipstatic devclass_t sfxge_devclass; 1105227569Sphilip 1106227569Sphilipstatic driver_t sfxge_driver = { 1107227569Sphilip "sfxge", 1108227569Sphilip sfxge_methods, 1109227569Sphilip sizeof(struct sfxge_softc) 1110227569Sphilip}; 1111227569Sphilip 1112227569SphilipDRIVER_MODULE(sfxge, pci, sfxge_driver, sfxge_devclass, 0, 0); 1113