if_nve.c revision 147291
1143442Sobrien/* 2144073Sobrien * Copyright (c) 2005 by David E. O'Brien <obrien@FreeBSD.org>. 3143442Sobrien * Copyright (c) 2003,2004 by Quinton Dolan <q@onthenet.com.au>. 4143442Sobrien * All rights reserved. 5143442Sobrien * 6143442Sobrien * Redistribution and use in source and binary forms, with or without 7143442Sobrien * modification, are permitted provided that the following conditions 8143442Sobrien * are met: 9143442Sobrien * 1. Redistributions of source code must retain the above copyright 10143442Sobrien * notice, this list of conditions and the following disclaimer. 11143442Sobrien * 2. Redistributions in binary form must reproduce the above copyright 12143442Sobrien * notice, this list of conditions and the following disclaimer in the 13143442Sobrien * documentation and/or other materials provided with the distribution. 14143442Sobrien * 15143442Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 16143442Sobrien * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17143442Sobrien * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18143442Sobrien * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19143442Sobrien * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20143442Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21143442Sobrien * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22143442Sobrien * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23143442Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24143442Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25143442Sobrien * SUCH DAMAGE. 26143442Sobrien * 27143442Sobrien * $Id: if_nv.c,v 1.19 2004/08/12 14:00:05 q Exp $ 28143442Sobrien */ 29143442Sobrien 30143442Sobrien/* 31143442Sobrien * NVIDIA nForce MCP Networking Adapter driver 32143442Sobrien * 33143442Sobrien * This is a port of the NVIDIA MCP Linux ethernet driver distributed by NVIDIA 34143442Sobrien * through their web site. 35143442Sobrien * 36143442Sobrien * All mainstream nForce and nForce2 motherboards are supported. This module 37143442Sobrien * is as stable, sometimes more stable, than the linux version. (Recent 38143442Sobrien * Linux stability issues seem to be related to some issues with newer 39143442Sobrien * distributions using GCC 3.x, however this don't appear to effect FreeBSD 40143442Sobrien * 5.x). 41143442Sobrien * 42143442Sobrien * In accordance with the NVIDIA distribution license it is necessary to 43143442Sobrien * link this module against the nvlibnet.o binary object included in the 44143442Sobrien * Linux driver source distribution. The binary component is not modified in 45143442Sobrien * any way and is simply linked against a FreeBSD equivalent of the nvnet.c 46143442Sobrien * linux kernel module "wrapper". 47143442Sobrien * 48143442Sobrien * The Linux driver uses a common code API that is shared between Win32 and 49143442Sobrien * i386 Linux. This abstracts the low level driver functions and uses 50143442Sobrien * callbacks and hooks to access the underlying hardware device. By using 51143442Sobrien * this same API in a FreeBSD kernel module it is possible to support the 52143442Sobrien * hardware without breaching the Linux source distributions licensing 53143442Sobrien * requirements, or obtaining the hardware programming specifications. 54143442Sobrien * 55143442Sobrien * Although not conventional, it works, and given the relatively small 56143442Sobrien * amount of hardware centric code, it's hopefully no more buggy than its 57143442Sobrien * linux counterpart. 58143442Sobrien * 59145998Sbrueffer * NVIDIA now support the nForce3 AMD64 platform, however I have been 60143442Sobrien * unable to access such a system to verify support. However, the code is 61143442Sobrien * reported to work with little modification when compiled with the AMD64 62143442Sobrien * version of the NVIDIA Linux library. All that should be necessary to make 63143442Sobrien * the driver work is to link it directly into the kernel, instead of as a 64143442Sobrien * module, and apply the docs/amd64.diff patch in this source distribution to 65143442Sobrien * the NVIDIA Linux driver source. 66143442Sobrien * 67143442Sobrien * This driver should work on all versions of FreeBSD since 4.9/5.1 as well 68143442Sobrien * as recent versions of DragonFly. 69143442Sobrien * 70143442Sobrien * Written by Quinton Dolan <q@onthenet.com.au> 71143442Sobrien * Portions based on existing FreeBSD network drivers. 72143442Sobrien * NVIDIA API usage derived from distributed NVIDIA NVNET driver source files. 73143442Sobrien * 74143442Sobrien */ 75143442Sobrien 76143442Sobrien#include <sys/cdefs.h> 77143442Sobrien__FBSDID("$FreeBSD: head/sys/dev/nve/if_nve.c 147291 2005-06-11 01:37:46Z brooks $"); 78143442Sobrien 79143442Sobrien#include <sys/param.h> 80143442Sobrien#include <sys/systm.h> 81143442Sobrien#include <sys/sockio.h> 82143442Sobrien#include <sys/mbuf.h> 83143442Sobrien#include <sys/malloc.h> 84143442Sobrien#include <sys/kernel.h> 85143442Sobrien#include <sys/socket.h> 86143442Sobrien#include <sys/sysctl.h> 87143442Sobrien#include <sys/queue.h> 88143442Sobrien#include <sys/module.h> 89143442Sobrien 90143442Sobrien#include <net/if.h> 91143442Sobrien#include <net/if_arp.h> 92143442Sobrien#include <net/ethernet.h> 93143442Sobrien#include <net/if_dl.h> 94143442Sobrien#include <net/if_media.h> 95147256Sbrooks#include <net/if_types.h> 96143442Sobrien#include <net/bpf.h> 97143442Sobrien#include <net/if_vlan_var.h> 98143442Sobrien 99143442Sobrien#include <machine/bus.h> 100143442Sobrien#include <machine/resource.h> 101143442Sobrien 102143442Sobrien#include <vm/vm.h> /* for vtophys */ 103143442Sobrien#include <vm/pmap.h> /* for vtophys */ 104143442Sobrien#include <machine/clock.h> /* for DELAY */ 105143442Sobrien#include <sys/bus.h> 106143442Sobrien#include <sys/rman.h> 107143442Sobrien 108143442Sobrien#include <dev/pci/pcireg.h> 109143442Sobrien#include <dev/pci/pcivar.h> 110143442Sobrien#include <dev/mii/mii.h> 111143442Sobrien#include <dev/mii/miivar.h> 112143442Sobrien#include "miibus_if.h" 113143442Sobrien 114143442Sobrien/* Include NVIDIA Linux driver header files */ 115143442Sobrien#define linux 116143442Sobrien#include <contrib/dev/nve/basetype.h> 117143442Sobrien#include <contrib/dev/nve/phy.h> 118143442Sobrien#include "os+%DIKED-nve.h" 119143442Sobrien#include <contrib/dev/nve/drvinfo.h> 120143442Sobrien#include <contrib/dev/nve/adapter.h> 121143442Sobrien#undef linux 122143442Sobrien 123143442Sobrien#include <dev/nve/if_nvereg.h> 124143442Sobrien 125143442SobrienMODULE_DEPEND(nve, pci, 1, 1, 1); 126143442SobrienMODULE_DEPEND(nve, ether, 1, 1, 1); 127143442SobrienMODULE_DEPEND(nve, miibus, 1, 1, 1); 128143442Sobrien 129143442Sobrienstatic int nve_probe(device_t); 130143442Sobrienstatic int nve_attach(device_t); 131143442Sobrienstatic int nve_detach(device_t); 132143442Sobrienstatic void nve_init(void *); 133143442Sobrienstatic void nve_stop(struct nve_softc *); 134143442Sobrienstatic void nve_shutdown(device_t); 135143442Sobrienstatic int nve_init_rings(struct nve_softc *); 136143442Sobrienstatic void nve_free_rings(struct nve_softc *); 137143442Sobrien 138143442Sobrienstatic void nve_ifstart(struct ifnet *); 139143442Sobrienstatic int nve_ioctl(struct ifnet *, u_long, caddr_t); 140143442Sobrienstatic void nve_intr(void *); 141143442Sobrienstatic void nve_tick(void *); 142143442Sobrienstatic void nve_setmulti(struct nve_softc *); 143143442Sobrienstatic void nve_watchdog(struct ifnet *); 144143442Sobrienstatic void nve_update_stats(struct nve_softc *); 145143442Sobrien 146143442Sobrienstatic int nve_ifmedia_upd(struct ifnet *); 147143442Sobrienstatic void nve_ifmedia_sts(struct ifnet *, struct ifmediareq *); 148143442Sobrienstatic int nve_miibus_readreg(device_t, int, int); 149143442Sobrienstatic void nve_miibus_writereg(device_t, int, int, int); 150143442Sobrien 151143442Sobrienstatic void nve_dmamap_cb(void *, bus_dma_segment_t *, int, int); 152143442Sobrienstatic void nve_dmamap_tx_cb(void *, bus_dma_segment_t *, int, bus_size_t, int); 153143442Sobrien 154143442Sobrienstatic NV_SINT32 nve_osalloc(PNV_VOID, PMEMORY_BLOCK); 155143442Sobrienstatic NV_SINT32 nve_osfree(PNV_VOID, PMEMORY_BLOCK); 156143442Sobrienstatic NV_SINT32 nve_osallocex(PNV_VOID, PMEMORY_BLOCKEX); 157143442Sobrienstatic NV_SINT32 nve_osfreeex(PNV_VOID, PMEMORY_BLOCKEX); 158143442Sobrienstatic NV_SINT32 nve_osclear(PNV_VOID, PNV_VOID, NV_SINT32); 159143442Sobrienstatic NV_SINT32 nve_osdelay(PNV_VOID, NV_UINT32); 160143442Sobrienstatic NV_SINT32 nve_osallocrxbuf(PNV_VOID, PMEMORY_BLOCK, PNV_VOID *); 161143442Sobrienstatic NV_SINT32 nve_osfreerxbuf(PNV_VOID, PMEMORY_BLOCK, PNV_VOID); 162143442Sobrienstatic NV_SINT32 nve_ospackettx(PNV_VOID, PNV_VOID, NV_UINT32); 163143442Sobrienstatic NV_SINT32 nve_ospacketrx(PNV_VOID, PNV_VOID, NV_UINT32, NV_UINT8 *, NV_UINT8); 164143442Sobrienstatic NV_SINT32 nve_oslinkchg(PNV_VOID, NV_SINT32); 165143442Sobrienstatic NV_SINT32 nve_osalloctimer(PNV_VOID, PNV_VOID *); 166143442Sobrienstatic NV_SINT32 nve_osfreetimer(PNV_VOID, PNV_VOID); 167143442Sobrienstatic NV_SINT32 nve_osinittimer(PNV_VOID, PNV_VOID, PTIMER_FUNC, PNV_VOID); 168143442Sobrienstatic NV_SINT32 nve_ossettimer(PNV_VOID, PNV_VOID, NV_UINT32); 169143442Sobrienstatic NV_SINT32 nve_oscanceltimer(PNV_VOID, PNV_VOID); 170143442Sobrien 171143442Sobrienstatic NV_SINT32 nve_ospreprocpkt(PNV_VOID, PNV_VOID, PNV_VOID *, NV_UINT8 *, NV_UINT8); 172143442Sobrienstatic PNV_VOID nve_ospreprocpktnopq(PNV_VOID, PNV_VOID); 173143442Sobrienstatic NV_SINT32 nve_osindicatepkt(PNV_VOID, PNV_VOID *, NV_UINT32); 174143442Sobrienstatic NV_SINT32 nve_oslockalloc(PNV_VOID, NV_SINT32, PNV_VOID *); 175143442Sobrienstatic NV_SINT32 nve_oslockacquire(PNV_VOID, NV_SINT32, PNV_VOID); 176143442Sobrienstatic NV_SINT32 nve_oslockrelease(PNV_VOID, NV_SINT32, PNV_VOID); 177143442Sobrienstatic PNV_VOID nve_osreturnbufvirt(PNV_VOID, PNV_VOID); 178143442Sobrien 179143442Sobrienstatic device_method_t nve_methods[] = { 180143442Sobrien /* Device interface */ 181143442Sobrien DEVMETHOD(device_probe, nve_probe), 182143442Sobrien DEVMETHOD(device_attach, nve_attach), 183143442Sobrien DEVMETHOD(device_detach, nve_detach), 184143442Sobrien DEVMETHOD(device_shutdown, nve_shutdown), 185143442Sobrien 186143442Sobrien /* Bus interface */ 187143442Sobrien DEVMETHOD(bus_print_child, bus_generic_print_child), 188143442Sobrien DEVMETHOD(bus_driver_added, bus_generic_driver_added), 189143442Sobrien 190143442Sobrien /* MII interface */ 191143442Sobrien DEVMETHOD(miibus_readreg, nve_miibus_readreg), 192143442Sobrien DEVMETHOD(miibus_writereg, nve_miibus_writereg), 193143442Sobrien 194143442Sobrien {0, 0} 195143442Sobrien}; 196143442Sobrien 197143442Sobrienstatic driver_t nve_driver = { 198145556Sobrien "nve", 199143442Sobrien nve_methods, 200143442Sobrien sizeof(struct nve_softc) 201143442Sobrien}; 202143442Sobrien 203143442Sobrienstatic devclass_t nve_devclass; 204143442Sobrien 205143442Sobrienstatic int nve_pollinterval = 0; 206143442SobrienSYSCTL_INT(_hw, OID_AUTO, nve_pollinterval, CTLFLAG_RW, 207143442Sobrien &nve_pollinterval, 0, "delay between interface polls"); 208143442Sobrien 209143442SobrienDRIVER_MODULE(nve, pci, nve_driver, nve_devclass, 0, 0); 210143442SobrienDRIVER_MODULE(miibus, nve, miibus_driver, miibus_devclass, 0, 0); 211143442Sobrien 212143442Sobrienstatic struct nve_type nve_devs[] = { 213143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET1_DEVICEID, 214143442Sobrien "NVIDIA nForce MCP Networking Adapter"}, 215143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET2_DEVICEID, 216143442Sobrien "NVIDIA nForce MCP2 Networking Adapter"}, 217143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET3_DEVICEID, 218143442Sobrien "NVIDIA nForce MCP3 Networking Adapter"}, 219144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET4_DEVICEID, 220144073Sobrien "NVIDIA nForce MCP4 Networking Adapter"}, 221144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET5_DEVICEID, 222144073Sobrien "NVIDIA nForce MCP5 Networking Adapter"}, 223144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET6_DEVICEID, 224144073Sobrien "NVIDIA nForce MCP6 Networking Adapter"}, 225144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET7_DEVICEID, 226144073Sobrien "NVIDIA nForce MCP7 Networking Adapter"}, 227144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET8_DEVICEID, 228144073Sobrien "NVIDIA nForce MCP8 Networking Adapter"}, 229144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET9_DEVICEID, 230144073Sobrien "NVIDIA nForce MCP9 Networking Adapter"}, 231144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET10_DEVICEID, 232144073Sobrien "NVIDIA nForce MCP10 Networking Adapter"}, 233144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET11_DEVICEID, 234144073Sobrien "NVIDIA nForce MCP11 Networking Adapter"}, 235143442Sobrien {0, 0, NULL} 236143442Sobrien}; 237143442Sobrien 238143442Sobrien/* DMA MEM map callback function to get data segment physical address */ 239143442Sobrienstatic void 240143442Sobriennve_dmamap_cb(void *arg, bus_dma_segment_t * segs, int nsegs, int error) 241143442Sobrien{ 242143442Sobrien if (error) 243143442Sobrien return; 244143442Sobrien 245143442Sobrien KASSERT(nsegs == 1, 246143442Sobrien ("Too many DMA segments returned when mapping DMA memory")); 247143442Sobrien *(bus_addr_t *)arg = segs->ds_addr; 248143442Sobrien} 249143442Sobrien 250143442Sobrien/* DMA RX map callback function to get data segment physical address */ 251143442Sobrienstatic void 252143442Sobriennve_dmamap_rx_cb(void *arg, bus_dma_segment_t * segs, int nsegs, 253143442Sobrien bus_size_t mapsize, int error) 254143442Sobrien{ 255143442Sobrien if (error) 256143442Sobrien return; 257143442Sobrien *(bus_addr_t *)arg = segs->ds_addr; 258143442Sobrien} 259143442Sobrien 260143442Sobrien/* 261143442Sobrien * DMA TX buffer callback function to allocate fragment data segment 262143442Sobrien * addresses 263143442Sobrien */ 264143442Sobrienstatic void 265143442Sobriennve_dmamap_tx_cb(void *arg, bus_dma_segment_t * segs, int nsegs, bus_size_t mapsize, int error) 266143442Sobrien{ 267143442Sobrien struct nve_tx_desc *info; 268143442Sobrien 269143442Sobrien info = arg; 270143442Sobrien if (error) 271143442Sobrien return; 272143442Sobrien KASSERT(nsegs < NV_MAX_FRAGS, 273143442Sobrien ("Too many DMA segments returned when mapping mbuf")); 274143442Sobrien info->numfrags = nsegs; 275143442Sobrien bcopy(segs, info->frags, nsegs * sizeof(bus_dma_segment_t)); 276143442Sobrien} 277143442Sobrien 278143442Sobrien/* Probe for supported hardware ID's */ 279143442Sobrienstatic int 280143442Sobriennve_probe(device_t dev) 281143442Sobrien{ 282143442Sobrien struct nve_type *t; 283143442Sobrien 284143442Sobrien t = nve_devs; 285143442Sobrien /* Check for matching PCI DEVICE ID's */ 286143442Sobrien while (t->name != NULL) { 287143442Sobrien if ((pci_get_vendor(dev) == t->vid_id) && 288143442Sobrien (pci_get_device(dev) == t->dev_id)) { 289143442Sobrien device_set_desc(dev, t->name); 290143442Sobrien return (0); 291143442Sobrien } 292143442Sobrien t++; 293143442Sobrien } 294143442Sobrien 295143442Sobrien return (ENXIO); 296143442Sobrien} 297143442Sobrien 298143442Sobrien/* Attach driver and initialise hardware for use */ 299143442Sobrienstatic int 300143442Sobriennve_attach(device_t dev) 301143442Sobrien{ 302143442Sobrien u_char eaddr[ETHER_ADDR_LEN]; 303143442Sobrien struct nve_softc *sc; 304143442Sobrien struct ifnet *ifp; 305143442Sobrien OS_API *osapi; 306143442Sobrien ADAPTER_OPEN_PARAMS OpenParams; 307143442Sobrien int error = 0, i, rid, unit; 308143442Sobrien 309143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_attach - entry\n"); 310143442Sobrien 311143442Sobrien sc = device_get_softc(dev); 312143442Sobrien unit = device_get_unit(dev); 313143442Sobrien 314143442Sobrien /* Allocate mutex */ 315143442Sobrien mtx_init(&sc->mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 316143442Sobrien MTX_DEF | MTX_RECURSE); 317143442Sobrien mtx_init(&sc->osmtx, device_get_nameunit(dev), NULL, MTX_SPIN); 318143442Sobrien 319143442Sobrien sc->dev = dev; 320143442Sobrien sc->unit = unit; 321143442Sobrien 322143442Sobrien /* Preinitialize data structures */ 323143442Sobrien bzero(&OpenParams, sizeof(ADAPTER_OPEN_PARAMS)); 324143442Sobrien 325143442Sobrien /* Enable bus mastering */ 326143442Sobrien pci_enable_busmaster(dev); 327143442Sobrien 328143442Sobrien /* Allocate memory mapped address space */ 329143442Sobrien rid = NV_RID; 330143442Sobrien sc->res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1, 331143442Sobrien RF_ACTIVE); 332143442Sobrien 333143442Sobrien if (sc->res == NULL) { 334143442Sobrien device_printf(dev, "couldn't map memory\n"); 335143442Sobrien error = ENXIO; 336143442Sobrien goto fail; 337143442Sobrien } 338143442Sobrien sc->sc_st = rman_get_bustag(sc->res); 339143442Sobrien sc->sc_sh = rman_get_bushandle(sc->res); 340143442Sobrien 341143442Sobrien /* Allocate interrupt */ 342143442Sobrien rid = 0; 343143442Sobrien sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 344143442Sobrien RF_SHAREABLE | RF_ACTIVE); 345143442Sobrien 346143442Sobrien if (sc->irq == NULL) { 347143442Sobrien device_printf(dev, "couldn't map interrupt\n"); 348143442Sobrien error = ENXIO; 349143442Sobrien goto fail; 350143442Sobrien } 351143442Sobrien /* Allocate DMA tags */ 352143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 353143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * NV_MAX_FRAGS, 354143442Sobrien NV_MAX_FRAGS, MCLBYTES, 0, 355143442Sobrien busdma_lock_mutex, &Giant, 356143442Sobrien &sc->mtag); 357143442Sobrien if (error) { 358143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 359143442Sobrien goto fail; 360143442Sobrien } 361143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 362143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, 363143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, 1, 364143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, 0, 365143442Sobrien busdma_lock_mutex, &Giant, 366143442Sobrien &sc->rtag); 367143442Sobrien if (error) { 368143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 369143442Sobrien goto fail; 370143442Sobrien } 371143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 372143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, 373143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, 1, 374143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, 0, 375143442Sobrien busdma_lock_mutex, &Giant, 376143442Sobrien &sc->ttag); 377143442Sobrien if (error) { 378143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 379143442Sobrien goto fail; 380143442Sobrien } 381143442Sobrien /* Allocate DMA safe memory and get the DMA addresses. */ 382143442Sobrien error = bus_dmamem_alloc(sc->ttag, (void **)&sc->tx_desc, 383143442Sobrien BUS_DMA_WAITOK, &sc->tmap); 384143442Sobrien if (error) { 385143442Sobrien device_printf(dev, "couldn't allocate dma memory\n"); 386143442Sobrien goto fail; 387143442Sobrien } 388143442Sobrien bzero(sc->tx_desc, sizeof(struct nve_tx_desc) * TX_RING_SIZE); 389143442Sobrien error = bus_dmamap_load(sc->ttag, sc->tmap, sc->tx_desc, 390143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, nve_dmamap_cb, 391143442Sobrien &sc->tx_addr, 0); 392143442Sobrien if (error) { 393143442Sobrien device_printf(dev, "couldn't map dma memory\n"); 394143442Sobrien goto fail; 395143442Sobrien } 396143442Sobrien error = bus_dmamem_alloc(sc->rtag, (void **)&sc->rx_desc, 397143442Sobrien BUS_DMA_WAITOK, &sc->rmap); 398143442Sobrien if (error) { 399143442Sobrien device_printf(dev, "couldn't allocate dma memory\n"); 400143442Sobrien goto fail; 401143442Sobrien } 402143442Sobrien bzero(sc->rx_desc, sizeof(struct nve_rx_desc) * RX_RING_SIZE); 403143442Sobrien error = bus_dmamap_load(sc->rtag, sc->rmap, sc->rx_desc, 404143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, nve_dmamap_cb, 405143442Sobrien &sc->rx_addr, 0); 406143442Sobrien if (error) { 407143442Sobrien device_printf(dev, "couldn't map dma memory\n"); 408143442Sobrien goto fail; 409143442Sobrien } 410143442Sobrien /* Initialize rings. */ 411143442Sobrien if (nve_init_rings(sc)) { 412143442Sobrien device_printf(dev, "failed to init rings\n"); 413143442Sobrien error = ENXIO; 414143442Sobrien goto fail; 415143442Sobrien } 416143442Sobrien /* Setup NVIDIA API callback routines */ 417143442Sobrien osapi = &sc->osapi; 418143442Sobrien osapi->pOSCX = sc; 419143442Sobrien osapi->pfnAllocMemory = nve_osalloc; 420143442Sobrien osapi->pfnFreeMemory = nve_osfree; 421143442Sobrien osapi->pfnAllocMemoryEx = nve_osallocex; 422143442Sobrien osapi->pfnFreeMemoryEx = nve_osfreeex; 423143442Sobrien osapi->pfnClearMemory = nve_osclear; 424143442Sobrien osapi->pfnStallExecution = nve_osdelay; 425143442Sobrien osapi->pfnAllocReceiveBuffer = nve_osallocrxbuf; 426143442Sobrien osapi->pfnFreeReceiveBuffer = nve_osfreerxbuf; 427143442Sobrien osapi->pfnPacketWasSent = nve_ospackettx; 428143442Sobrien osapi->pfnPacketWasReceived = nve_ospacketrx; 429143442Sobrien osapi->pfnLinkStateHasChanged = nve_oslinkchg; 430143442Sobrien osapi->pfnAllocTimer = nve_osalloctimer; 431143442Sobrien osapi->pfnFreeTimer = nve_osfreetimer; 432143442Sobrien osapi->pfnInitializeTimer = nve_osinittimer; 433143442Sobrien osapi->pfnSetTimer = nve_ossettimer; 434143442Sobrien osapi->pfnCancelTimer = nve_oscanceltimer; 435143442Sobrien osapi->pfnPreprocessPacket = nve_ospreprocpkt; 436143442Sobrien osapi->pfnPreprocessPacketNopq = nve_ospreprocpktnopq; 437143442Sobrien osapi->pfnIndicatePackets = nve_osindicatepkt; 438143442Sobrien osapi->pfnLockAlloc = nve_oslockalloc; 439143442Sobrien osapi->pfnLockAcquire = nve_oslockacquire; 440143442Sobrien osapi->pfnLockRelease = nve_oslockrelease; 441143442Sobrien osapi->pfnReturnBufferVirtual = nve_osreturnbufvirt; 442143442Sobrien 443143442Sobrien sc->linkup = FALSE; 444143442Sobrien sc->max_frame_size = ETHERMTU + ETHER_HDR_LEN + FCS_LEN; 445143442Sobrien 446143442Sobrien /* TODO - We don't support hardware offload yet */ 447143442Sobrien sc->hwmode = 1; 448143442Sobrien sc->media = 0; 449143442Sobrien 450143442Sobrien /* Set NVIDIA API startup parameters */ 451143442Sobrien OpenParams.MaxDpcLoop = 2; 452143442Sobrien OpenParams.MaxRxPkt = RX_RING_SIZE; 453143442Sobrien OpenParams.MaxTxPkt = TX_RING_SIZE; 454143442Sobrien OpenParams.SentPacketStatusSuccess = 1; 455143442Sobrien OpenParams.SentPacketStatusFailure = 0; 456143442Sobrien OpenParams.MaxRxPktToAccumulate = 6; 457143442Sobrien OpenParams.ulPollInterval = nve_pollinterval; 458143442Sobrien OpenParams.SetForcedModeEveryNthRxPacket = 0; 459143442Sobrien OpenParams.SetForcedModeEveryNthTxPacket = 0; 460143442Sobrien OpenParams.RxForcedInterrupt = 0; 461143442Sobrien OpenParams.TxForcedInterrupt = 0; 462143442Sobrien OpenParams.pOSApi = osapi; 463143442Sobrien OpenParams.pvHardwareBaseAddress = rman_get_virtual(sc->res); 464143442Sobrien OpenParams.bASFEnabled = 0; 465143442Sobrien OpenParams.ulDescriptorVersion = sc->hwmode; 466143442Sobrien OpenParams.ulMaxPacketSize = sc->max_frame_size; 467143442Sobrien OpenParams.DeviceId = pci_get_device(dev); 468143442Sobrien 469143442Sobrien /* Open NVIDIA Hardware API */ 470143442Sobrien error = ADAPTER_Open(&OpenParams, (void **)&(sc->hwapi), &sc->phyaddr); 471143442Sobrien if (error) { 472143442Sobrien device_printf(dev, 473143442Sobrien "failed to open NVIDIA Hardware API: 0x%x\n", error); 474143442Sobrien goto fail; 475143442Sobrien } 476143442Sobrien 477143442Sobrien /* TODO - Add support for MODE2 hardware offload */ 478143442Sobrien 479143442Sobrien bzero(&sc->adapterdata, sizeof(sc->adapterdata)); 480143442Sobrien 481143442Sobrien sc->adapterdata.ulMediaIF = sc->media; 482143442Sobrien sc->adapterdata.ulModeRegTxReadCompleteEnable = 1; 483143442Sobrien sc->hwapi->pfnSetCommonData(sc->hwapi->pADCX, &sc->adapterdata); 484143442Sobrien 485143442Sobrien /* MAC is loaded backwards into h/w reg */ 486143442Sobrien sc->hwapi->pfnGetNodeAddress(sc->hwapi->pADCX, sc->original_mac_addr); 487143442Sobrien for (i = 0; i < 6; i++) { 488143442Sobrien eaddr[i] = sc->original_mac_addr[5 - i]; 489143442Sobrien } 490143442Sobrien sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, eaddr); 491143442Sobrien 492143442Sobrien /* Display ethernet address ,... */ 493147256Sbrooks device_printf(dev, "Ethernet address %6D\n", eaddr, ":"); 494143442Sobrien 495147291Sbrooks /* Allocate interface structures */ 496147291Sbrooks ifp = sc->ifp = if_alloc(IFT_ETHER); 497147291Sbrooks if (ifp == NULL) { 498147291Sbrooks device_printf(dev, "can not if_alloc()\n"); 499147291Sbrooks error = ENOSPC; 500147291Sbrooks goto fail; 501147291Sbrooks } 502143442Sobrien 503143442Sobrien /* Probe device for MII interface to PHY */ 504147291Sbrooks DEBUGOUT(NVE_DEBUG_INIT, "nve: do mii_phy_probe\n"); 505143442Sobrien if (mii_phy_probe(dev, &sc->miibus, nve_ifmedia_upd, nve_ifmedia_sts)) { 506143442Sobrien device_printf(dev, "MII without any phy!\n"); 507143442Sobrien error = ENXIO; 508143442Sobrien goto fail; 509143442Sobrien } 510147291Sbrooks 511143442Sobrien /* Setup interface parameters */ 512143442Sobrien ifp->if_softc = sc; 513143442Sobrien if_initname(ifp, "nve", unit); 514143442Sobrien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 515143442Sobrien ifp->if_ioctl = nve_ioctl; 516143442Sobrien ifp->if_output = ether_output; 517143442Sobrien ifp->if_start = nve_ifstart; 518143442Sobrien ifp->if_watchdog = nve_watchdog; 519143442Sobrien ifp->if_timer = 0; 520143442Sobrien ifp->if_init = nve_init; 521143442Sobrien ifp->if_mtu = ETHERMTU; 522143442Sobrien ifp->if_baudrate = IF_Mbps(100); 523143442Sobrien ifp->if_snd.ifq_maxlen = TX_RING_SIZE - 1; 524143442Sobrien ifp->if_capabilities |= IFCAP_VLAN_MTU; 525143442Sobrien 526143442Sobrien /* Attach to OS's managers. */ 527147256Sbrooks ether_ifattach(ifp, eaddr); 528143442Sobrien callout_handle_init(&sc->stat_ch); 529143442Sobrien 530143442Sobrien /* Activate our interrupt handler. - attach last to avoid lock */ 531143442Sobrien error = bus_setup_intr(sc->dev, sc->irq, INTR_TYPE_NET, nve_intr, 532143442Sobrien sc, &sc->sc_ih); 533143442Sobrien if (error) { 534143442Sobrien device_printf(sc->dev, "couldn't set up interrupt handler\n"); 535143442Sobrien goto fail; 536143442Sobrien } 537143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_attach - exit\n"); 538143442Sobrien 539143442Sobrienfail: 540143442Sobrien if (error) 541143442Sobrien nve_detach(dev); 542143442Sobrien 543143442Sobrien return (error); 544143442Sobrien} 545143442Sobrien 546143442Sobrien/* Detach interface for module unload */ 547143442Sobrienstatic int 548143442Sobriennve_detach(device_t dev) 549143442Sobrien{ 550143442Sobrien struct nve_softc *sc = device_get_softc(dev); 551143442Sobrien struct ifnet *ifp; 552143442Sobrien 553143442Sobrien KASSERT(mtx_initialized(&sc->mtx), ("mutex not initialized")); 554143442Sobrien NVE_LOCK(sc); 555143442Sobrien 556143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_detach - entry\n"); 557143442Sobrien 558147256Sbrooks ifp = sc->ifp; 559143442Sobrien 560143442Sobrien if (device_is_attached(dev)) { 561143442Sobrien nve_stop(sc); 562143442Sobrien ether_ifdetach(ifp); 563147256Sbrooks if_free(ifp); 564143442Sobrien } 565143442Sobrien 566143442Sobrien if (sc->miibus) 567143442Sobrien device_delete_child(dev, sc->miibus); 568143442Sobrien bus_generic_detach(dev); 569143442Sobrien 570143442Sobrien /* Reload unreversed address back into MAC in original state */ 571143442Sobrien if (sc->original_mac_addr) 572143442Sobrien sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, 573143442Sobrien sc->original_mac_addr); 574143442Sobrien 575143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: do pfnClose\n"); 576143442Sobrien /* Detach from NVIDIA hardware API */ 577143442Sobrien if (sc->hwapi->pfnClose) 578143442Sobrien sc->hwapi->pfnClose(sc->hwapi->pADCX, FALSE); 579143442Sobrien /* Release resources */ 580143442Sobrien if (sc->sc_ih) 581143442Sobrien bus_teardown_intr(sc->dev, sc->irq, sc->sc_ih); 582143442Sobrien if (sc->irq) 583143442Sobrien bus_release_resource(sc->dev, SYS_RES_IRQ, 0, sc->irq); 584143442Sobrien if (sc->res) 585143442Sobrien bus_release_resource(sc->dev, SYS_RES_MEMORY, NV_RID, sc->res); 586143442Sobrien 587143442Sobrien nve_free_rings(sc); 588143442Sobrien 589143442Sobrien if (sc->tx_desc) { 590143442Sobrien bus_dmamap_unload(sc->rtag, sc->rmap); 591143442Sobrien bus_dmamem_free(sc->rtag, sc->rx_desc, sc->rmap); 592143442Sobrien bus_dmamap_destroy(sc->rtag, sc->rmap); 593143442Sobrien } 594143442Sobrien if (sc->mtag) 595143442Sobrien bus_dma_tag_destroy(sc->mtag); 596143442Sobrien if (sc->ttag) 597143442Sobrien bus_dma_tag_destroy(sc->ttag); 598143442Sobrien if (sc->rtag) 599143442Sobrien bus_dma_tag_destroy(sc->rtag); 600143442Sobrien 601143442Sobrien NVE_UNLOCK(sc); 602143442Sobrien mtx_destroy(&sc->mtx); 603143442Sobrien mtx_destroy(&sc->osmtx); 604143442Sobrien 605143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_detach - exit\n"); 606143442Sobrien 607143442Sobrien return (0); 608143442Sobrien} 609143442Sobrien 610143442Sobrien/* Initialise interface and start it "RUNNING" */ 611143442Sobrienstatic void 612143442Sobriennve_init(void *xsc) 613143442Sobrien{ 614143442Sobrien struct nve_softc *sc = xsc; 615143442Sobrien struct ifnet *ifp; 616143442Sobrien int error; 617143442Sobrien 618143442Sobrien NVE_LOCK(sc); 619143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init - entry (%d)\n", sc->linkup); 620143442Sobrien 621147256Sbrooks ifp = sc->ifp; 622143442Sobrien 623143442Sobrien /* Do nothing if already running */ 624143442Sobrien if (ifp->if_flags & IFF_RUNNING) 625143442Sobrien goto fail; 626143442Sobrien 627143442Sobrien nve_stop(sc); 628143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: do pfnInit\n"); 629143442Sobrien 630143442Sobrien /* Setup Hardware interface and allocate memory structures */ 631143442Sobrien error = sc->hwapi->pfnInit(sc->hwapi->pADCX, 632143442Sobrien 0, /* force speed */ 633143442Sobrien 0, /* force full duplex */ 634143442Sobrien 0, /* force mode */ 635143442Sobrien 0, /* force async mode */ 636143442Sobrien &sc->linkup); 637143442Sobrien 638143442Sobrien if (error) { 639143442Sobrien device_printf(sc->dev, 640143442Sobrien "failed to start NVIDIA Hardware interface\n"); 641143442Sobrien goto fail; 642143442Sobrien } 643143442Sobrien /* Set the MAC address */ 644147256Sbrooks sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, IFP2ENADDR(sc->ifp)); 645143442Sobrien sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 646143442Sobrien sc->hwapi->pfnStart(sc->hwapi->pADCX); 647143442Sobrien 648143442Sobrien /* Setup multicast filter */ 649143442Sobrien nve_setmulti(sc); 650143442Sobrien nve_ifmedia_upd(ifp); 651143442Sobrien 652143442Sobrien /* Update interface parameters */ 653143442Sobrien ifp->if_flags |= IFF_RUNNING; 654143442Sobrien ifp->if_flags &= ~IFF_OACTIVE; 655143442Sobrien 656143442Sobrien sc->stat_ch = timeout(nve_tick, sc, hz); 657143442Sobrien 658143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init - exit\n"); 659143442Sobrien 660143442Sobrienfail: 661143442Sobrien NVE_UNLOCK(sc); 662143442Sobrien 663143442Sobrien return; 664143442Sobrien} 665143442Sobrien 666143442Sobrien/* Stop interface activity ie. not "RUNNING" */ 667143442Sobrienstatic void 668143442Sobriennve_stop(struct nve_softc *sc) 669143442Sobrien{ 670143442Sobrien struct ifnet *ifp; 671143442Sobrien 672143442Sobrien NVE_LOCK(sc); 673143442Sobrien 674143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - entry\n"); 675143442Sobrien 676147256Sbrooks ifp = sc->ifp; 677143442Sobrien ifp->if_timer = 0; 678143442Sobrien 679143442Sobrien /* Cancel tick timer */ 680143442Sobrien untimeout(nve_tick, sc, sc->stat_ch); 681143442Sobrien 682143442Sobrien /* Stop hardware activity */ 683143442Sobrien sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 684143442Sobrien sc->hwapi->pfnStop(sc->hwapi->pADCX, 0); 685143442Sobrien 686143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: do pfnDeinit\n"); 687143442Sobrien /* Shutdown interface and deallocate memory buffers */ 688143442Sobrien if (sc->hwapi->pfnDeinit) 689143442Sobrien sc->hwapi->pfnDeinit(sc->hwapi->pADCX, 0); 690143442Sobrien 691143442Sobrien sc->linkup = 0; 692143442Sobrien sc->cur_rx = 0; 693143442Sobrien sc->pending_rxs = 0; 694143442Sobrien 695143442Sobrien ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 696143442Sobrien 697143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - exit\n"); 698143442Sobrien 699143442Sobrien NVE_UNLOCK(sc); 700143442Sobrien 701143442Sobrien return; 702143442Sobrien} 703143442Sobrien 704143442Sobrien/* Shutdown interface for unload/reboot */ 705143442Sobrienstatic void 706143442Sobriennve_shutdown(device_t dev) 707143442Sobrien{ 708143442Sobrien struct nve_softc *sc; 709143442Sobrien 710143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_shutdown\n"); 711143442Sobrien 712143442Sobrien sc = device_get_softc(dev); 713143442Sobrien 714143442Sobrien /* Stop hardware activity */ 715143442Sobrien nve_stop(sc); 716143442Sobrien} 717143442Sobrien 718143442Sobrien/* Allocate TX ring buffers */ 719143442Sobrienstatic int 720143442Sobriennve_init_rings(struct nve_softc *sc) 721143442Sobrien{ 722143442Sobrien int error, i; 723143442Sobrien 724143442Sobrien NVE_LOCK(sc); 725143442Sobrien 726143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init_rings - entry\n"); 727143442Sobrien 728143442Sobrien sc->cur_rx = sc->cur_tx = sc->pending_rxs = sc->pending_txs = 0; 729143442Sobrien /* Initialise RX ring */ 730143442Sobrien for (i = 0; i < RX_RING_SIZE; i++) { 731143442Sobrien struct nve_rx_desc *desc = sc->rx_desc + i; 732143442Sobrien struct nve_map_buffer *buf = &desc->buf; 733143442Sobrien 734143442Sobrien buf->mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 735143442Sobrien if (buf->mbuf == NULL) { 736143442Sobrien device_printf(sc->dev, "couldn't allocate mbuf\n"); 737143442Sobrien nve_free_rings(sc); 738143442Sobrien error = ENOBUFS; 739143442Sobrien goto fail; 740143442Sobrien } 741143442Sobrien buf->mbuf->m_len = buf->mbuf->m_pkthdr.len = MCLBYTES; 742143442Sobrien m_adj(buf->mbuf, ETHER_ALIGN); 743143442Sobrien 744143442Sobrien error = bus_dmamap_create(sc->mtag, 0, &buf->map); 745143442Sobrien if (error) { 746143442Sobrien device_printf(sc->dev, "couldn't create dma map\n"); 747143442Sobrien nve_free_rings(sc); 748143442Sobrien goto fail; 749143442Sobrien } 750143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, buf->mbuf, 751143442Sobrien nve_dmamap_rx_cb, &desc->paddr, 0); 752143442Sobrien if (error) { 753143442Sobrien device_printf(sc->dev, "couldn't dma map mbuf\n"); 754143442Sobrien nve_free_rings(sc); 755143442Sobrien goto fail; 756143442Sobrien } 757143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREREAD); 758143442Sobrien 759143442Sobrien desc->buflength = buf->mbuf->m_len; 760143442Sobrien desc->vaddr = mtod(buf->mbuf, caddr_t); 761143442Sobrien } 762143442Sobrien bus_dmamap_sync(sc->rtag, sc->rmap, 763143442Sobrien BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 764143442Sobrien 765143442Sobrien /* Initialize TX ring */ 766143442Sobrien for (i = 0; i < TX_RING_SIZE; i++) { 767143442Sobrien struct nve_tx_desc *desc = sc->tx_desc + i; 768143442Sobrien struct nve_map_buffer *buf = &desc->buf; 769143442Sobrien 770143442Sobrien buf->mbuf = NULL; 771143442Sobrien 772143442Sobrien error = bus_dmamap_create(sc->mtag, 0, &buf->map); 773143442Sobrien if (error) { 774143442Sobrien device_printf(sc->dev, "couldn't create dma map\n"); 775143442Sobrien nve_free_rings(sc); 776143442Sobrien goto fail; 777143442Sobrien } 778143442Sobrien } 779143442Sobrien bus_dmamap_sync(sc->ttag, sc->tmap, 780143442Sobrien BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 781143442Sobrien 782143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init_rings - exit\n"); 783143442Sobrien 784143442Sobrienfail: 785143442Sobrien NVE_UNLOCK(sc); 786143442Sobrien 787143442Sobrien return (error); 788143442Sobrien} 789143442Sobrien 790143442Sobrien/* Free the TX ring buffers */ 791143442Sobrienstatic void 792143442Sobriennve_free_rings(struct nve_softc *sc) 793143442Sobrien{ 794143442Sobrien int i; 795143442Sobrien 796143442Sobrien NVE_LOCK(sc); 797143442Sobrien 798143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_free_rings - entry\n"); 799143442Sobrien 800143442Sobrien for (i = 0; i < RX_RING_SIZE; i++) { 801143442Sobrien struct nve_rx_desc *desc = sc->rx_desc + i; 802143442Sobrien struct nve_map_buffer *buf = &desc->buf; 803143442Sobrien 804143442Sobrien if (buf->mbuf) { 805143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 806143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 807143442Sobrien m_freem(buf->mbuf); 808143442Sobrien } 809143442Sobrien buf->mbuf = NULL; 810143442Sobrien } 811143442Sobrien 812143442Sobrien for (i = 0; i < TX_RING_SIZE; i++) { 813143442Sobrien struct nve_tx_desc *desc = sc->tx_desc + i; 814143442Sobrien struct nve_map_buffer *buf = &desc->buf; 815143442Sobrien 816143442Sobrien if (buf->mbuf) { 817143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 818143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 819143442Sobrien m_freem(buf->mbuf); 820143442Sobrien } 821143442Sobrien buf->mbuf = NULL; 822143442Sobrien } 823143442Sobrien 824143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_free_rings - exit\n"); 825143442Sobrien 826143442Sobrien NVE_UNLOCK(sc); 827143442Sobrien} 828143442Sobrien 829143442Sobrien/* Main loop for sending packets from OS to interface */ 830143442Sobrienstatic void 831143442Sobriennve_ifstart(struct ifnet *ifp) 832143442Sobrien{ 833143442Sobrien struct nve_softc *sc = ifp->if_softc; 834143442Sobrien struct nve_map_buffer *buf; 835143442Sobrien struct mbuf *m0, *m; 836143442Sobrien struct nve_tx_desc *desc; 837143442Sobrien ADAPTER_WRITE_DATA txdata; 838143442Sobrien int error, i; 839143442Sobrien 840143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - entry\n"); 841143442Sobrien 842143442Sobrien /* If link is down/busy or queue is empty do nothing */ 843143442Sobrien if (ifp->if_flags & IFF_OACTIVE || ifp->if_snd.ifq_head == NULL) 844143442Sobrien return; 845143442Sobrien 846143442Sobrien /* Transmit queued packets until sent or TX ring is full */ 847143442Sobrien while (sc->pending_txs < TX_RING_SIZE) { 848143442Sobrien desc = sc->tx_desc + sc->cur_tx; 849143442Sobrien buf = &desc->buf; 850143442Sobrien 851143442Sobrien /* Get next packet to send. */ 852143442Sobrien IF_DEQUEUE(&ifp->if_snd, m0); 853143442Sobrien 854143442Sobrien /* If nothing to send, return. */ 855143442Sobrien if (m0 == NULL) 856143442Sobrien return; 857143442Sobrien 858143442Sobrien /* Map MBUF for DMA access */ 859143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, m0, 860143442Sobrien nve_dmamap_tx_cb, desc, BUS_DMA_NOWAIT); 861143442Sobrien 862143442Sobrien if (error && error != EFBIG) { 863143442Sobrien m_freem(m0); 864143442Sobrien sc->tx_errors++; 865143442Sobrien continue; 866143442Sobrien } 867143442Sobrien /* 868143442Sobrien * Packet has too many fragments - defrag into new mbuf 869143442Sobrien * cluster 870143442Sobrien */ 871143442Sobrien if (error) { 872143442Sobrien m = m_defrag(m0, M_DONTWAIT); 873143442Sobrien if (m == NULL) { 874143442Sobrien m_freem(m0); 875143442Sobrien sc->tx_errors++; 876143442Sobrien continue; 877143442Sobrien } 878143442Sobrien m_freem(m0); 879143442Sobrien m0 = m; 880143442Sobrien 881143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, m, 882143442Sobrien nve_dmamap_tx_cb, desc, BUS_DMA_NOWAIT); 883143442Sobrien if (error) { 884143442Sobrien m_freem(m); 885143442Sobrien sc->tx_errors++; 886143442Sobrien continue; 887143442Sobrien } 888143442Sobrien } 889143442Sobrien /* Do sync on DMA bounce buffer */ 890143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREWRITE); 891143442Sobrien 892143442Sobrien buf->mbuf = m0; 893143442Sobrien txdata.ulNumberOfElements = desc->numfrags; 894143442Sobrien txdata.pvID = (PVOID)desc; 895143442Sobrien 896143442Sobrien /* Put fragments into API element list */ 897143442Sobrien txdata.ulTotalLength = buf->mbuf->m_len; 898143442Sobrien for (i = 0; i < desc->numfrags; i++) { 899143442Sobrien txdata.sElement[i].ulLength = 900143442Sobrien (ulong)desc->frags[i].ds_len; 901143442Sobrien txdata.sElement[i].pPhysical = 902143442Sobrien (PVOID)desc->frags[i].ds_addr; 903143442Sobrien } 904143442Sobrien 905143442Sobrien /* Send packet to Nvidia API for transmission */ 906143442Sobrien error = sc->hwapi->pfnWrite(sc->hwapi->pADCX, &txdata); 907143442Sobrien 908143442Sobrien switch (error) { 909143442Sobrien case ADAPTERERR_NONE: 910143442Sobrien /* Packet was queued in API TX queue successfully */ 911143442Sobrien sc->pending_txs++; 912143442Sobrien sc->cur_tx = (sc->cur_tx + 1) % TX_RING_SIZE; 913143442Sobrien break; 914143442Sobrien 915143442Sobrien case ADAPTERERR_TRANSMIT_QUEUE_FULL: 916143442Sobrien /* The API TX queue is full - requeue the packet */ 917143442Sobrien device_printf(sc->dev, 918143442Sobrien "nve_ifstart: transmit queue is full\n"); 919143442Sobrien ifp->if_flags |= IFF_OACTIVE; 920143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 921143442Sobrien IF_PREPEND(&ifp->if_snd, buf->mbuf); 922143442Sobrien buf->mbuf = NULL; 923143442Sobrien return; 924143442Sobrien 925143442Sobrien default: 926143442Sobrien /* The API failed to queue/send the packet so dump it */ 927143442Sobrien device_printf(sc->dev, "nve_ifstart: transmit error\n"); 928143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 929143442Sobrien m_freem(buf->mbuf); 930143442Sobrien buf->mbuf = NULL; 931143442Sobrien sc->tx_errors++; 932143442Sobrien return; 933143442Sobrien } 934143442Sobrien /* Set watchdog timer. */ 935143442Sobrien ifp->if_timer = 8; 936143442Sobrien 937143442Sobrien /* Copy packet to BPF tap */ 938143442Sobrien BPF_MTAP(ifp, m0); 939143442Sobrien } 940143442Sobrien ifp->if_flags |= IFF_OACTIVE; 941143442Sobrien 942143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - exit\n"); 943143442Sobrien} 944143442Sobrien 945143442Sobrien/* Handle IOCTL events */ 946143442Sobrienstatic int 947143442Sobriennve_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 948143442Sobrien{ 949143442Sobrien struct nve_softc *sc = ifp->if_softc; 950143442Sobrien struct ifreq *ifr = (struct ifreq *) data; 951143442Sobrien struct mii_data *mii; 952143442Sobrien int error = 0; 953143442Sobrien 954143442Sobrien NVE_LOCK(sc); 955143442Sobrien 956143442Sobrien DEBUGOUT(NVE_DEBUG_IOCTL, "nve: nve_ioctl - entry\n"); 957143442Sobrien 958143442Sobrien switch (command) { 959143442Sobrien case SIOCSIFMTU: 960143442Sobrien /* Set MTU size */ 961143442Sobrien if (ifp->if_mtu == ifr->ifr_mtu) 962143442Sobrien break; 963143442Sobrien if (ifr->ifr_mtu + ifp->if_hdrlen <= MAX_PACKET_SIZE_1518) { 964143442Sobrien ifp->if_mtu = ifr->ifr_mtu; 965143442Sobrien nve_stop(sc); 966143442Sobrien nve_init(sc); 967143442Sobrien } else 968143442Sobrien error = EINVAL; 969143442Sobrien break; 970143442Sobrien 971143442Sobrien case SIOCSIFFLAGS: 972143442Sobrien /* Setup interface flags */ 973143442Sobrien if (ifp->if_flags & IFF_UP) { 974143442Sobrien if ((ifp->if_flags & IFF_RUNNING) == 0) { 975143442Sobrien nve_init(sc); 976143442Sobrien break; 977143442Sobrien } 978143442Sobrien } else { 979143442Sobrien if (ifp->if_flags & IFF_RUNNING) { 980143442Sobrien nve_stop(sc); 981143442Sobrien break; 982143442Sobrien } 983143442Sobrien } 984143442Sobrien /* Handle IFF_PROMISC and IFF_ALLMULTI flags. */ 985143442Sobrien nve_setmulti(sc); 986143442Sobrien break; 987143442Sobrien 988143442Sobrien case SIOCADDMULTI: 989143442Sobrien case SIOCDELMULTI: 990143442Sobrien /* Setup multicast filter */ 991143442Sobrien if (ifp->if_flags & IFF_RUNNING) { 992143442Sobrien nve_setmulti(sc); 993143442Sobrien } 994143442Sobrien break; 995143442Sobrien 996143442Sobrien case SIOCGIFMEDIA: 997143442Sobrien case SIOCSIFMEDIA: 998143442Sobrien /* Get/Set interface media parameters */ 999143442Sobrien mii = device_get_softc(sc->miibus); 1000143442Sobrien error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 1001143442Sobrien break; 1002143442Sobrien 1003143442Sobrien default: 1004143442Sobrien /* Everything else we forward to generic ether ioctl */ 1005143442Sobrien error = ether_ioctl(ifp, (int)command, data); 1006143442Sobrien break; 1007143442Sobrien } 1008143442Sobrien 1009143442Sobrien DEBUGOUT(NVE_DEBUG_IOCTL, "nve: nve_ioctl - exit\n"); 1010143442Sobrien 1011143442Sobrien NVE_UNLOCK(sc); 1012143442Sobrien 1013143442Sobrien return (error); 1014143442Sobrien} 1015143442Sobrien 1016143442Sobrien/* Interrupt service routine */ 1017143442Sobrienstatic void 1018143442Sobriennve_intr(void *arg) 1019143442Sobrien{ 1020143442Sobrien struct nve_softc *sc = arg; 1021147256Sbrooks struct ifnet *ifp = sc->ifp; 1022143442Sobrien 1023143442Sobrien DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - entry\n"); 1024143442Sobrien 1025143442Sobrien if (!ifp->if_flags & IFF_UP) { 1026143442Sobrien nve_stop(sc); 1027143442Sobrien return; 1028143442Sobrien } 1029143442Sobrien /* Handle interrupt event */ 1030143442Sobrien if (sc->hwapi->pfnQueryInterrupt(sc->hwapi->pADCX)) { 1031143442Sobrien sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1032143442Sobrien sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 1033143442Sobrien } 1034143442Sobrien if (ifp->if_snd.ifq_head != NULL) 1035143442Sobrien nve_ifstart(ifp); 1036143442Sobrien 1037143442Sobrien /* If no pending packets we don't need a timeout */ 1038143442Sobrien if (sc->pending_txs == 0) 1039147256Sbrooks sc->ifp->if_timer = 0; 1040143442Sobrien 1041143442Sobrien DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - exit\n"); 1042143442Sobrien 1043143442Sobrien return; 1044143442Sobrien} 1045143442Sobrien 1046143442Sobrien/* Setup multicast filters */ 1047143442Sobrienstatic void 1048143442Sobriennve_setmulti(struct nve_softc *sc) 1049143442Sobrien{ 1050143442Sobrien struct ifnet *ifp; 1051143442Sobrien struct ifmultiaddr *ifma; 1052143442Sobrien PACKET_FILTER hwfilter; 1053143442Sobrien int i; 1054143442Sobrien u_int8_t andaddr[6], oraddr[6]; 1055143442Sobrien 1056143442Sobrien NVE_LOCK(sc); 1057143442Sobrien 1058143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_setmulti - entry\n"); 1059143442Sobrien 1060147256Sbrooks ifp = sc->ifp; 1061143442Sobrien 1062143442Sobrien /* Initialize filter */ 1063143442Sobrien hwfilter.ulFilterFlags = 0; 1064143442Sobrien for (i = 0; i < 6; i++) { 1065143442Sobrien hwfilter.acMulticastAddress[i] = 0; 1066143442Sobrien hwfilter.acMulticastMask[i] = 0; 1067143442Sobrien } 1068143442Sobrien 1069143442Sobrien if (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) { 1070143442Sobrien /* Accept all packets */ 1071143442Sobrien hwfilter.ulFilterFlags |= ACCEPT_ALL_PACKETS; 1072143442Sobrien sc->hwapi->pfnSetPacketFilter(sc->hwapi->pADCX, &hwfilter); 1073143442Sobrien NVE_UNLOCK(sc); 1074143442Sobrien return; 1075143442Sobrien } 1076143442Sobrien /* Setup multicast filter */ 1077143442Sobrien TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1078143442Sobrien u_char *addrp; 1079143442Sobrien 1080143442Sobrien if (ifma->ifma_addr->sa_family != AF_LINK) 1081143442Sobrien continue; 1082143442Sobrien 1083143442Sobrien addrp = LLADDR((struct sockaddr_dl *) ifma->ifma_addr); 1084143442Sobrien for (i = 0; i < 6; i++) { 1085143442Sobrien u_int8_t mcaddr = addrp[i]; 1086143442Sobrien andaddr[i] &= mcaddr; 1087143442Sobrien oraddr[i] |= mcaddr; 1088143442Sobrien } 1089143442Sobrien } 1090143442Sobrien for (i = 0; i < 6; i++) { 1091143442Sobrien hwfilter.acMulticastAddress[i] = andaddr[i] & oraddr[i]; 1092143442Sobrien hwfilter.acMulticastMask[i] = andaddr[i] | (~oraddr[i]); 1093143442Sobrien } 1094143442Sobrien 1095143442Sobrien /* Send filter to NVIDIA API */ 1096143442Sobrien sc->hwapi->pfnSetPacketFilter(sc->hwapi->pADCX, &hwfilter); 1097143442Sobrien 1098143442Sobrien NVE_UNLOCK(sc); 1099143442Sobrien 1100143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_setmulti - exit\n"); 1101143442Sobrien 1102143442Sobrien return; 1103143442Sobrien} 1104143442Sobrien 1105143442Sobrien/* Change the current media/mediaopts */ 1106143442Sobrienstatic int 1107143442Sobriennve_ifmedia_upd(struct ifnet *ifp) 1108143442Sobrien{ 1109143442Sobrien struct nve_softc *sc = ifp->if_softc; 1110143442Sobrien struct mii_data *mii; 1111143442Sobrien 1112143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_ifmedia_upd\n"); 1113143442Sobrien 1114143442Sobrien mii = device_get_softc(sc->miibus); 1115143442Sobrien 1116143442Sobrien if (mii->mii_instance) { 1117143442Sobrien struct mii_softc *miisc; 1118143442Sobrien for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1119143442Sobrien miisc = LIST_NEXT(miisc, mii_list)) { 1120143442Sobrien mii_phy_reset(miisc); 1121143442Sobrien } 1122143442Sobrien } 1123143442Sobrien mii_mediachg(mii); 1124143442Sobrien 1125143442Sobrien return (0); 1126143442Sobrien} 1127143442Sobrien 1128143442Sobrien/* Update current miibus PHY status of media */ 1129143442Sobrienstatic void 1130143442Sobriennve_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 1131143442Sobrien{ 1132143442Sobrien struct nve_softc *sc; 1133143442Sobrien struct mii_data *mii; 1134143442Sobrien 1135143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_ifmedia_sts\n"); 1136143442Sobrien 1137143442Sobrien sc = ifp->if_softc; 1138143442Sobrien mii = device_get_softc(sc->miibus); 1139143442Sobrien mii_pollstat(mii); 1140143442Sobrien 1141143442Sobrien ifmr->ifm_active = mii->mii_media_active; 1142143442Sobrien ifmr->ifm_status = mii->mii_media_status; 1143143442Sobrien 1144143442Sobrien return; 1145143442Sobrien} 1146143442Sobrien 1147143442Sobrien/* miibus tick timer - maintain link status */ 1148143442Sobrienstatic void 1149143442Sobriennve_tick(void *xsc) 1150143442Sobrien{ 1151143442Sobrien struct nve_softc *sc = xsc; 1152143442Sobrien struct mii_data *mii; 1153143442Sobrien struct ifnet *ifp; 1154143442Sobrien 1155143442Sobrien NVE_LOCK(sc); 1156143442Sobrien 1157147256Sbrooks ifp = sc->ifp; 1158143442Sobrien nve_update_stats(sc); 1159143442Sobrien 1160143442Sobrien mii = device_get_softc(sc->miibus); 1161143442Sobrien mii_tick(mii); 1162143442Sobrien 1163143442Sobrien if (mii->mii_media_status & IFM_ACTIVE && 1164143442Sobrien IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1165143442Sobrien if (ifp->if_snd.ifq_head != NULL) 1166143442Sobrien nve_ifstart(ifp); 1167143442Sobrien } 1168143442Sobrien sc->stat_ch = timeout(nve_tick, sc, hz); 1169143442Sobrien 1170143442Sobrien NVE_UNLOCK(sc); 1171143442Sobrien 1172143442Sobrien return; 1173143442Sobrien} 1174143442Sobrien 1175143442Sobrien/* Update ifnet data structure with collected interface stats from API */ 1176143442Sobrienstatic void 1177143442Sobriennve_update_stats(struct nve_softc *sc) 1178143442Sobrien{ 1179147256Sbrooks struct ifnet *ifp = sc->ifp; 1180143442Sobrien ADAPTER_STATS stats; 1181143442Sobrien 1182143442Sobrien NVE_LOCK(sc); 1183143442Sobrien 1184143442Sobrien if (sc->hwapi) { 1185143442Sobrien sc->hwapi->pfnGetStatistics(sc->hwapi->pADCX, &stats); 1186143442Sobrien 1187143442Sobrien ifp->if_ipackets = stats.ulSuccessfulReceptions; 1188143442Sobrien ifp->if_ierrors = stats.ulMissedFrames + 1189143442Sobrien stats.ulFailedReceptions + 1190143442Sobrien stats.ulCRCErrors + 1191143442Sobrien stats.ulFramingErrors + 1192143442Sobrien stats.ulOverFlowErrors; 1193143442Sobrien 1194143442Sobrien ifp->if_opackets = stats.ulSuccessfulTransmissions; 1195143442Sobrien ifp->if_oerrors = sc->tx_errors + 1196143442Sobrien stats.ulFailedTransmissions + 1197143442Sobrien stats.ulRetryErrors + 1198143442Sobrien stats.ulUnderflowErrors + 1199143442Sobrien stats.ulLossOfCarrierErrors + 1200143442Sobrien stats.ulLateCollisionErrors; 1201143442Sobrien 1202143442Sobrien ifp->if_collisions = stats.ulLateCollisionErrors; 1203143442Sobrien } 1204143442Sobrien NVE_UNLOCK(sc); 1205143442Sobrien 1206143442Sobrien return; 1207143442Sobrien} 1208143442Sobrien 1209143442Sobrien/* miibus Read PHY register wrapper - calls Nvidia API entry point */ 1210143442Sobrienstatic int 1211143442Sobriennve_miibus_readreg(device_t dev, int phy, int reg) 1212143442Sobrien{ 1213143442Sobrien struct nve_softc *sc = device_get_softc(dev); 1214143442Sobrien ULONG data; 1215143442Sobrien 1216143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_readreg - entry\n"); 1217143442Sobrien 1218143442Sobrien ADAPTER_ReadPhy(sc->hwapi->pADCX, phy, reg, &data); 1219143442Sobrien 1220143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_readreg - exit\n"); 1221143442Sobrien 1222143442Sobrien return (data); 1223143442Sobrien} 1224143442Sobrien 1225143442Sobrien/* miibus Write PHY register wrapper - calls Nvidia API entry point */ 1226143442Sobrienstatic void 1227143442Sobriennve_miibus_writereg(device_t dev, int phy, int reg, int data) 1228143442Sobrien{ 1229143442Sobrien struct nve_softc *sc = device_get_softc(dev); 1230143442Sobrien 1231143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - entry\n"); 1232143442Sobrien 1233143442Sobrien ADAPTER_WritePhy(sc->hwapi->pADCX, phy, reg, (ulong)data); 1234143442Sobrien 1235143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - exit\n"); 1236143442Sobrien 1237143442Sobrien return; 1238143442Sobrien} 1239143442Sobrien 1240143442Sobrien/* Watchdog timer to prevent PHY lockups */ 1241143442Sobrienstatic void 1242143442Sobriennve_watchdog(struct ifnet *ifp) 1243143442Sobrien{ 1244143442Sobrien struct nve_softc *sc = ifp->if_softc; 1245143442Sobrien 1246143442Sobrien device_printf(sc->dev, "device timeout (%d)\n", sc->pending_txs); 1247143442Sobrien 1248143442Sobrien sc->tx_errors++; 1249143442Sobrien 1250143442Sobrien nve_stop(sc); 1251143442Sobrien ifp->if_flags &= ~IFF_RUNNING; 1252143442Sobrien nve_init(sc); 1253143442Sobrien 1254143442Sobrien if (ifp->if_snd.ifq_head != NULL) 1255143442Sobrien nve_ifstart(ifp); 1256143442Sobrien 1257143442Sobrien return; 1258143442Sobrien} 1259143442Sobrien 1260143442Sobrien/* --- Start of NVOSAPI interface --- */ 1261143442Sobrien 1262143442Sobrien/* Allocate DMA enabled general use memory for API */ 1263143442Sobrienstatic NV_SINT32 1264143442Sobriennve_osalloc(PNV_VOID ctx, PMEMORY_BLOCK mem) 1265143442Sobrien{ 1266143442Sobrien struct nve_softc *sc; 1267143442Sobrien bus_addr_t mem_physical; 1268143442Sobrien 1269143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osalloc - %d\n", mem->uiLength); 1270143442Sobrien 1271143442Sobrien sc = (struct nve_softc *)ctx; 1272143442Sobrien 1273143442Sobrien mem->pLogical = (PVOID)contigmalloc(mem->uiLength, M_DEVBUF, 1274143442Sobrien M_NOWAIT | M_ZERO, 0, ~0, PAGE_SIZE, 0); 1275143442Sobrien 1276143442Sobrien if (!mem->pLogical) { 1277143442Sobrien device_printf(sc->dev, "memory allocation failed\n"); 1278143442Sobrien return (0); 1279143442Sobrien } 1280143442Sobrien memset(mem->pLogical, 0, (ulong)mem->uiLength); 1281143442Sobrien mem_physical = vtophys(mem->pLogical); 1282143442Sobrien mem->pPhysical = (PVOID)mem_physical; 1283143442Sobrien 1284143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osalloc 0x%x/0x%x - %d\n", 1285143442Sobrien (uint)mem->pLogical, (uint)mem->pPhysical, (uint)mem->uiLength); 1286143442Sobrien 1287143442Sobrien return (1); 1288143442Sobrien} 1289143442Sobrien 1290143442Sobrien/* Free allocated memory */ 1291143442Sobrienstatic NV_SINT32 1292143442Sobriennve_osfree(PNV_VOID ctx, PMEMORY_BLOCK mem) 1293143442Sobrien{ 1294143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfree - 0x%x - %d\n", 1295143442Sobrien (uint)mem->pLogical, (uint) mem->uiLength); 1296143442Sobrien 1297143442Sobrien contigfree(mem->pLogical, PAGE_SIZE, M_DEVBUF); 1298143442Sobrien return (1); 1299143442Sobrien} 1300143442Sobrien 1301143442Sobrien/* Copied directly from nvnet.c */ 1302143442Sobrienstatic NV_SINT32 1303143442Sobriennve_osallocex(PNV_VOID ctx, PMEMORY_BLOCKEX mem_block_ex) 1304143442Sobrien{ 1305143442Sobrien MEMORY_BLOCK mem_block; 1306143442Sobrien 1307143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osallocex\n"); 1308143442Sobrien 1309143442Sobrien mem_block_ex->pLogical = NULL; 1310143442Sobrien mem_block_ex->uiLengthOrig = mem_block_ex->uiLength; 1311143442Sobrien 1312143442Sobrien if ((mem_block_ex->AllocFlags & ALLOC_MEMORY_ALIGNED) && 1313143442Sobrien (mem_block_ex->AlignmentSize > 1)) { 1314143442Sobrien DEBUGOUT(NVE_DEBUG_API, " aligning on %d\n", 1315143442Sobrien mem_block_ex->AlignmentSize); 1316143442Sobrien mem_block_ex->uiLengthOrig += mem_block_ex->AlignmentSize; 1317143442Sobrien } 1318143442Sobrien mem_block.uiLength = mem_block_ex->uiLengthOrig; 1319143442Sobrien 1320143442Sobrien if (nve_osalloc(ctx, &mem_block) == 0) { 1321143442Sobrien return (0); 1322143442Sobrien } 1323143442Sobrien mem_block_ex->pLogicalOrig = mem_block.pLogical; 1324143442Sobrien mem_block_ex->pPhysicalOrigLow = (unsigned long)mem_block.pPhysical; 1325143442Sobrien mem_block_ex->pPhysicalOrigHigh = 0; 1326143442Sobrien 1327143442Sobrien mem_block_ex->pPhysical = mem_block.pPhysical; 1328143442Sobrien mem_block_ex->pLogical = mem_block.pLogical; 1329143442Sobrien 1330143442Sobrien if (mem_block_ex->uiLength != mem_block_ex->uiLengthOrig) { 1331143442Sobrien unsigned int offset; 1332143442Sobrien offset = mem_block_ex->pPhysicalOrigLow & 1333143442Sobrien (mem_block_ex->AlignmentSize - 1); 1334143442Sobrien 1335143442Sobrien if (offset) { 1336143442Sobrien mem_block_ex->pPhysical = 1337143442Sobrien (PVOID)((ulong)mem_block_ex->pPhysical + 1338143442Sobrien mem_block_ex->AlignmentSize - offset); 1339143442Sobrien mem_block_ex->pLogical = 1340143442Sobrien (PVOID)((ulong)mem_block_ex->pLogical + 1341143442Sobrien mem_block_ex->AlignmentSize - offset); 1342143442Sobrien } /* if (offset) */ 1343143442Sobrien } /* if (mem_block_ex->uiLength != *mem_block_ex->uiLengthOrig) */ 1344143442Sobrien return (1); 1345143442Sobrien} 1346143442Sobrien 1347143442Sobrien/* Copied directly from nvnet.c */ 1348143442Sobrienstatic NV_SINT32 1349143442Sobriennve_osfreeex(PNV_VOID ctx, PMEMORY_BLOCKEX mem_block_ex) 1350143442Sobrien{ 1351143442Sobrien MEMORY_BLOCK mem_block; 1352143442Sobrien 1353143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfreeex\n"); 1354143442Sobrien 1355143442Sobrien mem_block.pLogical = mem_block_ex->pLogicalOrig; 1356143442Sobrien mem_block.pPhysical = (PVOID)((ulong)mem_block_ex->pPhysicalOrigLow); 1357143442Sobrien mem_block.uiLength = mem_block_ex->uiLengthOrig; 1358143442Sobrien 1359143442Sobrien return (nve_osfree(ctx, &mem_block)); 1360143442Sobrien} 1361143442Sobrien 1362143442Sobrien/* Clear memory region */ 1363143442Sobrienstatic NV_SINT32 1364143442Sobriennve_osclear(PNV_VOID ctx, PNV_VOID mem, NV_SINT32 length) 1365143442Sobrien{ 1366143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osclear\n"); 1367143442Sobrien memset(mem, 0, length); 1368143442Sobrien return (1); 1369143442Sobrien} 1370143442Sobrien 1371143442Sobrien/* Sleep for a tick */ 1372143442Sobrienstatic NV_SINT32 1373143442Sobriennve_osdelay(PNV_VOID ctx, NV_UINT32 usec) 1374143442Sobrien{ 1375143442Sobrien DELAY(usec); 1376143442Sobrien return (1); 1377143442Sobrien} 1378143442Sobrien 1379143442Sobrien/* Allocate memory for rx buffer */ 1380143442Sobrienstatic NV_SINT32 1381143442Sobriennve_osallocrxbuf(PNV_VOID ctx, PMEMORY_BLOCK mem, PNV_VOID *id) 1382143442Sobrien{ 1383143442Sobrien struct nve_softc *sc = ctx; 1384143442Sobrien struct nve_rx_desc *desc; 1385143442Sobrien struct nve_map_buffer *buf; 1386143442Sobrien int error; 1387143442Sobrien 1388143442Sobrien NVE_LOCK(sc); 1389143442Sobrien 1390143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osallocrxbuf\n"); 1391143442Sobrien 1392143442Sobrien if (sc->pending_rxs == RX_RING_SIZE) { 1393143442Sobrien device_printf(sc->dev, "rx ring buffer is full\n"); 1394143442Sobrien goto fail; 1395143442Sobrien } 1396143442Sobrien desc = sc->rx_desc + sc->cur_rx; 1397143442Sobrien buf = &desc->buf; 1398143442Sobrien 1399143442Sobrien if (buf->mbuf == NULL) { 1400143442Sobrien buf->mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1401143442Sobrien if (buf->mbuf == NULL) { 1402143442Sobrien device_printf(sc->dev, "failed to allocate memory\n"); 1403143442Sobrien goto fail; 1404143442Sobrien } 1405143442Sobrien buf->mbuf->m_len = buf->mbuf->m_pkthdr.len = MCLBYTES; 1406143442Sobrien m_adj(buf->mbuf, ETHER_ALIGN); 1407143442Sobrien 1408143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, buf->mbuf, 1409143442Sobrien nve_dmamap_rx_cb, &desc->paddr, 0); 1410143442Sobrien if (error) { 1411143442Sobrien device_printf(sc->dev, "failed to dmamap mbuf\n"); 1412143442Sobrien m_freem(buf->mbuf); 1413143442Sobrien buf->mbuf = NULL; 1414143442Sobrien goto fail; 1415143442Sobrien } 1416143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREREAD); 1417143442Sobrien desc->buflength = buf->mbuf->m_len; 1418143442Sobrien desc->vaddr = mtod(buf->mbuf, caddr_t); 1419143442Sobrien } 1420143442Sobrien sc->pending_rxs++; 1421143442Sobrien sc->cur_rx = (sc->cur_rx + 1) % RX_RING_SIZE; 1422143442Sobrien 1423143442Sobrien mem->pLogical = (void *)desc->vaddr; 1424143442Sobrien mem->pPhysical = (void *)desc->paddr; 1425143442Sobrien mem->uiLength = desc->buflength; 1426143442Sobrien *id = (void *)desc; 1427143442Sobrien 1428143442Sobrien NVE_UNLOCK(sc); 1429143442Sobrien return (1); 1430143442Sobrien 1431143442Sobrienfail: 1432143442Sobrien NVE_UNLOCK(sc); 1433143442Sobrien return (0); 1434143442Sobrien} 1435143442Sobrien 1436143442Sobrien/* Free the rx buffer */ 1437143442Sobrienstatic NV_SINT32 1438143442Sobriennve_osfreerxbuf(PNV_VOID ctx, PMEMORY_BLOCK mem, PNV_VOID id) 1439143442Sobrien{ 1440143442Sobrien struct nve_softc *sc = ctx; 1441143442Sobrien struct nve_rx_desc *desc; 1442143442Sobrien struct nve_map_buffer *buf; 1443143442Sobrien 1444143442Sobrien NVE_LOCK(sc); 1445143442Sobrien 1446143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfreerxbuf\n"); 1447143442Sobrien 1448143442Sobrien desc = (struct nve_rx_desc *) id; 1449143442Sobrien buf = &desc->buf; 1450143442Sobrien 1451143442Sobrien if (buf->mbuf) { 1452143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1453143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 1454143442Sobrien m_freem(buf->mbuf); 1455143442Sobrien } 1456143442Sobrien sc->pending_rxs--; 1457143442Sobrien buf->mbuf = NULL; 1458143442Sobrien 1459143442Sobrien NVE_UNLOCK(sc); 1460143442Sobrien 1461143442Sobrien return (1); 1462143442Sobrien} 1463143442Sobrien 1464143442Sobrien/* This gets called by the Nvidia API after our TX packet has been sent */ 1465143442Sobrienstatic NV_SINT32 1466143442Sobriennve_ospackettx(PNV_VOID ctx, PNV_VOID id, NV_UINT32 success) 1467143442Sobrien{ 1468143442Sobrien struct nve_softc *sc = ctx; 1469143442Sobrien struct nve_map_buffer *buf; 1470143442Sobrien struct nve_tx_desc *desc = (struct nve_tx_desc *) id; 1471143442Sobrien struct ifnet *ifp; 1472143442Sobrien 1473143442Sobrien NVE_LOCK(sc); 1474143442Sobrien 1475143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_ospackettx\n"); 1476143442Sobrien 1477147256Sbrooks ifp = sc->ifp; 1478143442Sobrien buf = &desc->buf; 1479143442Sobrien sc->pending_txs--; 1480143442Sobrien 1481143442Sobrien /* Unload and free mbuf cluster */ 1482143442Sobrien if (buf->mbuf == NULL) 1483143442Sobrien goto fail; 1484143442Sobrien 1485143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTWRITE); 1486143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1487143442Sobrien m_freem(buf->mbuf); 1488143442Sobrien buf->mbuf = NULL; 1489143442Sobrien 1490143442Sobrien /* Send more packets if we have them */ 1491143442Sobrien if (sc->pending_txs < TX_RING_SIZE) 1492147256Sbrooks sc->ifp->if_flags &= ~IFF_OACTIVE; 1493143442Sobrien 1494143442Sobrien if (ifp->if_snd.ifq_head != NULL && sc->pending_txs < TX_RING_SIZE) 1495143442Sobrien nve_ifstart(ifp); 1496143442Sobrien 1497143442Sobrienfail: 1498143442Sobrien NVE_UNLOCK(sc); 1499143442Sobrien 1500143442Sobrien return (1); 1501143442Sobrien} 1502143442Sobrien 1503143442Sobrien/* This gets called by the Nvidia API when a new packet has been received */ 1504143442Sobrien/* XXX What is newbuf used for? XXX */ 1505143442Sobrienstatic NV_SINT32 1506143442Sobriennve_ospacketrx(PNV_VOID ctx, PNV_VOID data, NV_UINT32 success, NV_UINT8 *newbuf, 1507143442Sobrien NV_UINT8 priority) 1508143442Sobrien{ 1509143442Sobrien struct nve_softc *sc = ctx; 1510143442Sobrien struct ifnet *ifp; 1511143442Sobrien struct nve_rx_desc *desc; 1512143442Sobrien struct nve_map_buffer *buf; 1513143442Sobrien ADAPTER_READ_DATA *readdata; 1514143442Sobrien 1515143442Sobrien NVE_LOCK(sc); 1516143442Sobrien 1517143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_ospacketrx\n"); 1518143442Sobrien 1519147256Sbrooks ifp = sc->ifp; 1520143442Sobrien 1521143442Sobrien readdata = (ADAPTER_READ_DATA *) data; 1522143442Sobrien desc = readdata->pvID; 1523143442Sobrien buf = &desc->buf; 1524143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1525143442Sobrien 1526143442Sobrien if (success) { 1527143442Sobrien /* Sync DMA bounce buffer. */ 1528143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1529143442Sobrien 1530143442Sobrien /* First mbuf in packet holds the ethernet and packet headers */ 1531143442Sobrien buf->mbuf->m_pkthdr.rcvif = ifp; 1532143442Sobrien buf->mbuf->m_pkthdr.len = buf->mbuf->m_len = 1533143442Sobrien readdata->ulTotalLength; 1534143442Sobrien 1535143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1536143442Sobrien 1537143442Sobrien /* Give mbuf to OS. */ 1538143442Sobrien (*ifp->if_input) (ifp, buf->mbuf); 1539143442Sobrien if (readdata->ulFilterMatch & ADREADFL_MULTICAST_MATCH) 1540143442Sobrien ifp->if_imcasts++; 1541143442Sobrien 1542143442Sobrien /* Blat the mbuf pointer, kernel will free the mbuf cluster */ 1543143442Sobrien buf->mbuf = NULL; 1544143442Sobrien } else { 1545143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1546143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1547143442Sobrien m_freem(buf->mbuf); 1548143442Sobrien buf->mbuf = NULL; 1549143442Sobrien } 1550143442Sobrien 1551143442Sobrien sc->cur_rx = desc - sc->rx_desc; 1552143442Sobrien sc->pending_rxs--; 1553143442Sobrien 1554143442Sobrien NVE_UNLOCK(sc); 1555143442Sobrien 1556143442Sobrien return (1); 1557143442Sobrien} 1558143442Sobrien 1559143442Sobrien/* This gets called by NVIDIA API when the PHY link state changes */ 1560143442Sobrienstatic NV_SINT32 1561143442Sobriennve_oslinkchg(PNV_VOID ctx, NV_SINT32 enabled) 1562143442Sobrien{ 1563143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1564143442Sobrien struct ifnet *ifp; 1565143442Sobrien 1566143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_oslinkchg\n"); 1567143442Sobrien 1568147256Sbrooks ifp = sc->ifp; 1569143442Sobrien 1570143442Sobrien if (enabled) 1571143442Sobrien ifp->if_flags |= IFF_UP; 1572143442Sobrien else 1573143442Sobrien ifp->if_flags &= ~IFF_UP; 1574143442Sobrien 1575143442Sobrien return (1); 1576143442Sobrien} 1577143442Sobrien 1578143442Sobrien/* Setup a watchdog timer */ 1579143442Sobrienstatic NV_SINT32 1580143442Sobriennve_osalloctimer(PNV_VOID ctx, PNV_VOID *timer) 1581143442Sobrien{ 1582143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1583143442Sobrien 1584143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osalloctimer\n"); 1585143442Sobrien 1586143442Sobrien callout_handle_init(&sc->ostimer); 1587143442Sobrien *timer = &sc->ostimer; 1588143442Sobrien 1589143442Sobrien return (1); 1590143442Sobrien} 1591143442Sobrien 1592143442Sobrien/* Free the timer */ 1593143442Sobrienstatic NV_SINT32 1594143442Sobriennve_osfreetimer(PNV_VOID ctx, PNV_VOID timer) 1595143442Sobrien{ 1596143442Sobrien 1597143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osfreetimer\n"); 1598143442Sobrien 1599143442Sobrien return (1); 1600143442Sobrien} 1601143442Sobrien 1602143442Sobrien/* Setup timer parameters */ 1603143442Sobrienstatic NV_SINT32 1604143442Sobriennve_osinittimer(PNV_VOID ctx, PNV_VOID timer, PTIMER_FUNC func, PNV_VOID parameters) 1605143442Sobrien{ 1606143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1607143442Sobrien 1608143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osinittimer\n"); 1609143442Sobrien 1610143442Sobrien sc->ostimer_func = func; 1611143442Sobrien sc->ostimer_params = parameters; 1612143442Sobrien 1613143442Sobrien return (1); 1614143442Sobrien} 1615143442Sobrien 1616143442Sobrien/* Set the timer to go off */ 1617143442Sobrienstatic NV_SINT32 1618143442Sobriennve_ossettimer(PNV_VOID ctx, PNV_VOID timer, NV_UINT32 delay) 1619143442Sobrien{ 1620143442Sobrien struct nve_softc *sc = ctx; 1621143442Sobrien 1622143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ossettimer\n"); 1623143442Sobrien 1624143442Sobrien *(struct callout_handle *)timer = timeout(sc->ostimer_func, 1625143442Sobrien sc->ostimer_params, delay); 1626143442Sobrien 1627143442Sobrien return (1); 1628143442Sobrien} 1629143442Sobrien 1630143442Sobrien/* Cancel the timer */ 1631143442Sobrienstatic NV_SINT32 1632143442Sobriennve_oscanceltimer(PNV_VOID ctx, PNV_VOID timer) 1633143442Sobrien{ 1634143442Sobrien struct nve_softc *sc = ctx; 1635143442Sobrien 1636143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_oscanceltimer\n"); 1637143442Sobrien 1638143442Sobrien untimeout(sc->ostimer_func, sc->ostimer_params, 1639143442Sobrien *(struct callout_handle *)timer); 1640143442Sobrien 1641143442Sobrien return (1); 1642143442Sobrien} 1643143442Sobrien 1644143442Sobrienstatic NV_SINT32 1645143442Sobriennve_ospreprocpkt(PNV_VOID ctx, PNV_VOID readdata, PNV_VOID *id, 1646143442Sobrien NV_UINT8 *newbuffer, NV_UINT8 priority) 1647143442Sobrien{ 1648143442Sobrien 1649143442Sobrien /* Not implemented */ 1650143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ospreprocpkt\n"); 1651143442Sobrien 1652143442Sobrien return (1); 1653143442Sobrien} 1654143442Sobrien 1655143442Sobrienstatic PNV_VOID 1656143442Sobriennve_ospreprocpktnopq(PNV_VOID ctx, PNV_VOID readdata) 1657143442Sobrien{ 1658143442Sobrien 1659143442Sobrien /* Not implemented */ 1660143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ospreprocpkt\n"); 1661143442Sobrien 1662143442Sobrien return (NULL); 1663143442Sobrien} 1664143442Sobrien 1665143442Sobrienstatic NV_SINT32 1666143442Sobriennve_osindicatepkt(PNV_VOID ctx, PNV_VOID *id, NV_UINT32 pktno) 1667143442Sobrien{ 1668143442Sobrien 1669143442Sobrien /* Not implemented */ 1670143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osindicatepkt\n"); 1671143442Sobrien 1672143442Sobrien return (1); 1673143442Sobrien} 1674143442Sobrien 1675143442Sobrien/* Allocate mutex context (already done in nve_attach) */ 1676143442Sobrienstatic NV_SINT32 1677143442Sobriennve_oslockalloc(PNV_VOID ctx, NV_SINT32 type, PNV_VOID *pLock) 1678143442Sobrien{ 1679143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1680143442Sobrien 1681143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockalloc\n"); 1682143442Sobrien 1683143442Sobrien *pLock = (void **)sc; 1684143442Sobrien 1685143442Sobrien return (1); 1686143442Sobrien} 1687143442Sobrien 1688143442Sobrien/* Obtain a spin lock */ 1689143442Sobrienstatic NV_SINT32 1690143442Sobriennve_oslockacquire(PNV_VOID ctx, NV_SINT32 type, PNV_VOID lock) 1691143442Sobrien{ 1692143442Sobrien 1693143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockacquire\n"); 1694143442Sobrien 1695143442Sobrien NVE_OSLOCK((struct nve_softc *)lock); 1696143442Sobrien 1697143442Sobrien return (1); 1698143442Sobrien} 1699143442Sobrien 1700143442Sobrien/* Release lock */ 1701143442Sobrienstatic NV_SINT32 1702143442Sobriennve_oslockrelease(PNV_VOID ctx, NV_SINT32 type, PNV_VOID lock) 1703143442Sobrien{ 1704143442Sobrien 1705143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockrelease\n"); 1706143442Sobrien 1707143442Sobrien NVE_OSUNLOCK((struct nve_softc *)lock); 1708143442Sobrien 1709143442Sobrien return (1); 1710143442Sobrien} 1711143442Sobrien 1712143442Sobrien/* I have no idea what this is for */ 1713143442Sobrienstatic PNV_VOID 1714143442Sobriennve_osreturnbufvirt(PNV_VOID ctx, PNV_VOID readdata) 1715143442Sobrien{ 1716143442Sobrien 1717143442Sobrien /* Not implemented */ 1718143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_osreturnbufvirt\n"); 1719143442Sobrien panic("nve: nve_osreturnbufvirtual not implemented\n"); 1720143442Sobrien 1721143442Sobrien return (NULL); 1722143442Sobrien} 1723143442Sobrien 1724143442Sobrien/* --- End on NVOSAPI interface --- */ 1725