| if_nve.c (195049) | if_nve.c (199560) |
|---|---|
| 1/*- 2 * Copyright (c) 2005 by David E. O'Brien <obrien@FreeBSD.org>. 3 * Copyright (c) 2003,2004 by Quinton Dolan <q@onthenet.com.au>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 58 unchanged lines hidden (view full) --- 67 * as recent versions of DragonFly. 68 * 69 * Written by Quinton Dolan <q@onthenet.com.au> 70 * Portions based on existing FreeBSD network drivers. 71 * NVIDIA API usage derived from distributed NVIDIA NVNET driver source files. 72 */ 73 74#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2005 by David E. O'Brien <obrien@FreeBSD.org>. 3 * Copyright (c) 2003,2004 by Quinton Dolan <q@onthenet.com.au>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 58 unchanged lines hidden (view full) --- 67 * as recent versions of DragonFly. 68 * 69 * Written by Quinton Dolan <q@onthenet.com.au> 70 * Portions based on existing FreeBSD network drivers. 71 * NVIDIA API usage derived from distributed NVIDIA NVNET driver source files. 72 */ 73 74#include <sys/cdefs.h> |
| 75__FBSDID("$FreeBSD: head/sys/dev/nve/if_nve.c 195049 2009-06-26 11:45:06Z rwatson $"); | 75__FBSDID("$FreeBSD: head/sys/dev/nve/if_nve.c 199560 2009-11-19 22:14:23Z jhb $"); |
| 76 77#include <sys/param.h> 78#include <sys/systm.h> 79#include <sys/sockio.h> 80#include <sys/mbuf.h> 81#include <sys/malloc.h> 82#include <sys/kernel.h> 83#include <sys/socket.h> --- 51 unchanged lines hidden (view full) --- 135static void nve_free_rings(struct nve_softc *); 136 137static void nve_ifstart(struct ifnet *); 138static void nve_ifstart_locked(struct ifnet *); 139static int nve_ioctl(struct ifnet *, u_long, caddr_t); 140static void nve_intr(void *); 141static void nve_tick(void *); 142static void nve_setmulti(struct nve_softc *); | 76 77#include <sys/param.h> 78#include <sys/systm.h> 79#include <sys/sockio.h> 80#include <sys/mbuf.h> 81#include <sys/malloc.h> 82#include <sys/kernel.h> 83#include <sys/socket.h> --- 51 unchanged lines hidden (view full) --- 135static void nve_free_rings(struct nve_softc *); 136 137static void nve_ifstart(struct ifnet *); 138static void nve_ifstart_locked(struct ifnet *); 139static int nve_ioctl(struct ifnet *, u_long, caddr_t); 140static void nve_intr(void *); 141static void nve_tick(void *); 142static void nve_setmulti(struct nve_softc *); |
| 143static void nve_watchdog(struct ifnet *); | 143static void nve_watchdog(struct nve_softc *); |
| 144static void nve_update_stats(struct nve_softc *); 145 146static int nve_ifmedia_upd(struct ifnet *); 147static void nve_ifmedia_upd_locked(struct ifnet *); 148static void nve_ifmedia_sts(struct ifnet *, struct ifmediareq *); 149static int nve_miibus_readreg(device_t, int, int); 150static int nve_miibus_writereg(device_t, int, int, int); 151 --- 383 unchanged lines hidden (view full) --- 535 } 536 537 /* Setup interface parameters */ 538 ifp->if_softc = sc; 539 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 540 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 541 ifp->if_ioctl = nve_ioctl; 542 ifp->if_start = nve_ifstart; | 144static void nve_update_stats(struct nve_softc *); 145 146static int nve_ifmedia_upd(struct ifnet *); 147static void nve_ifmedia_upd_locked(struct ifnet *); 148static void nve_ifmedia_sts(struct ifnet *, struct ifmediareq *); 149static int nve_miibus_readreg(device_t, int, int); 150static int nve_miibus_writereg(device_t, int, int, int); 151 --- 383 unchanged lines hidden (view full) --- 535 } 536 537 /* Setup interface parameters */ 538 ifp->if_softc = sc; 539 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 540 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 541 ifp->if_ioctl = nve_ioctl; 542 ifp->if_start = nve_ifstart; |
| 543 ifp->if_watchdog = nve_watchdog; 544 ifp->if_timer = 0; | |
| 545 ifp->if_init = nve_init; 546 ifp->if_mtu = ETHERMTU; 547 ifp->if_baudrate = IF_Mbps(100); 548 IFQ_SET_MAXLEN(&ifp->if_snd, TX_RING_SIZE - 1); 549 ifp->if_snd.ifq_drv_maxlen = TX_RING_SIZE - 1; 550 IFQ_SET_READY(&ifp->if_snd); 551 ifp->if_capabilities |= IFCAP_VLAN_MTU; 552 ifp->if_capenable |= IFCAP_VLAN_MTU; --- 151 unchanged lines hidden (view full) --- 704{ 705 struct ifnet *ifp; 706 707 NVE_LOCK_ASSERT(sc); 708 709 DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - entry\n"); 710 711 ifp = sc->ifp; | 543 ifp->if_init = nve_init; 544 ifp->if_mtu = ETHERMTU; 545 ifp->if_baudrate = IF_Mbps(100); 546 IFQ_SET_MAXLEN(&ifp->if_snd, TX_RING_SIZE - 1); 547 ifp->if_snd.ifq_drv_maxlen = TX_RING_SIZE - 1; 548 IFQ_SET_READY(&ifp->if_snd); 549 ifp->if_capabilities |= IFCAP_VLAN_MTU; 550 ifp->if_capenable |= IFCAP_VLAN_MTU; --- 151 unchanged lines hidden (view full) --- 702{ 703 struct ifnet *ifp; 704 705 NVE_LOCK_ASSERT(sc); 706 707 DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - entry\n"); 708 709 ifp = sc->ifp; |
| 712 ifp->if_timer = 0; | 710 sc->tx_timer = 0; |
| 713 714 /* Cancel tick timer */ 715 callout_stop(&sc->stat_callout); 716 717 /* Stop hardware activity */ 718 sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 719 sc->hwapi->pfnStop(sc->hwapi->pADCX, 0); 720 --- 257 unchanged lines hidden (view full) --- 978 device_printf(sc->dev, "nve_ifstart: transmit error\n"); 979 bus_dmamap_unload(sc->mtag, buf->map); 980 m_freem(buf->mbuf); 981 buf->mbuf = NULL; 982 sc->tx_errors++; 983 return; 984 } 985 /* Set watchdog timer. */ | 711 712 /* Cancel tick timer */ 713 callout_stop(&sc->stat_callout); 714 715 /* Stop hardware activity */ 716 sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 717 sc->hwapi->pfnStop(sc->hwapi->pADCX, 0); 718 --- 257 unchanged lines hidden (view full) --- 976 device_printf(sc->dev, "nve_ifstart: transmit error\n"); 977 bus_dmamap_unload(sc->mtag, buf->map); 978 m_freem(buf->mbuf); 979 buf->mbuf = NULL; 980 sc->tx_errors++; 981 return; 982 } 983 /* Set watchdog timer. */ |
| 986 ifp->if_timer = 8; | 984 sc->tx_timer = 8; |
| 987 988 /* Copy packet to BPF tap */ 989 BPF_MTAP(ifp, m0); 990 } 991 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 992 993 DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - exit\n"); 994} --- 95 unchanged lines hidden (view full) --- 1090 sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1091 sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 1092 } 1093 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1094 nve_ifstart_locked(ifp); 1095 1096 /* If no pending packets we don't need a timeout */ 1097 if (sc->pending_txs == 0) | 985 986 /* Copy packet to BPF tap */ 987 BPF_MTAP(ifp, m0); 988 } 989 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 990 991 DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - exit\n"); 992} --- 95 unchanged lines hidden (view full) --- 1088 sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1089 sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 1090 } 1091 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1092 nve_ifstart_locked(ifp); 1093 1094 /* If no pending packets we don't need a timeout */ 1095 if (sc->pending_txs == 0) |
| 1098 sc->ifp->if_timer = 0; | 1096 sc->tx_timer = 0; |
| 1099 NVE_UNLOCK(sc); 1100 1101 DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - exit\n"); 1102 1103 return; 1104} 1105 1106/* Setup multicast filters */ --- 124 unchanged lines hidden (view full) --- 1231 mii = device_get_softc(sc->miibus); 1232 mii_tick(mii); 1233 1234 if (mii->mii_media_status & IFM_ACTIVE && 1235 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1236 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1237 nve_ifstart_locked(ifp); 1238 } | 1097 NVE_UNLOCK(sc); 1098 1099 DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - exit\n"); 1100 1101 return; 1102} 1103 1104/* Setup multicast filters */ --- 124 unchanged lines hidden (view full) --- 1229 mii = device_get_softc(sc->miibus); 1230 mii_tick(mii); 1231 1232 if (mii->mii_media_status & IFM_ACTIVE && 1233 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1234 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1235 nve_ifstart_locked(ifp); 1236 } |
| 1237 1238 if (sc->tx_timer > 0 && --sc->tx_timer == 0) 1239 nve_watchdog(sc); |
|
| 1239 callout_reset(&sc->stat_callout, hz, nve_tick, sc); 1240 1241 return; 1242} 1243 1244/* Update ifnet data structure with collected interface stats from API */ 1245static void 1246nve_update_stats(struct nve_softc *sc) --- 55 unchanged lines hidden (view full) --- 1302 1303 DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - exit\n"); 1304 1305 return 0; 1306} 1307 1308/* Watchdog timer to prevent PHY lockups */ 1309static void | 1240 callout_reset(&sc->stat_callout, hz, nve_tick, sc); 1241 1242 return; 1243} 1244 1245/* Update ifnet data structure with collected interface stats from API */ 1246static void 1247nve_update_stats(struct nve_softc *sc) --- 55 unchanged lines hidden (view full) --- 1303 1304 DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - exit\n"); 1305 1306 return 0; 1307} 1308 1309/* Watchdog timer to prevent PHY lockups */ 1310static void |
| 1310nve_watchdog(struct ifnet *ifp) | 1311nve_watchdog(struct nve_softc *sc) |
| 1311{ | 1312{ |
| 1312 struct nve_softc *sc = ifp->if_softc; | 1313 struct ifnet *ifp; |
| 1313 int pending_txs_start; 1314 | 1314 int pending_txs_start; 1315 |
| 1315 NVE_LOCK(sc); | 1316 NVE_LOCK_ASSERT(sc); 1317 ifp = sc->ifp; |
| 1316 1317 /* 1318 * The nvidia driver blob defers tx completion notifications. 1319 * Thus, sometimes the watchdog timer will go off when the 1320 * tx engine is fine, but the tx completions are just deferred. 1321 * Try kicking the driver blob to clear out any pending tx 1322 * completions. If that clears up any of the pending tx 1323 * operations, then just return without printing the warning 1324 * message or resetting the adapter, as we can then conclude 1325 * the chip hasn't actually crashed (it's still sending packets). 1326 */ 1327 pending_txs_start = sc->pending_txs; 1328 sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 1329 sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1330 sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); | 1318 1319 /* 1320 * The nvidia driver blob defers tx completion notifications. 1321 * Thus, sometimes the watchdog timer will go off when the 1322 * tx engine is fine, but the tx completions are just deferred. 1323 * Try kicking the driver blob to clear out any pending tx 1324 * completions. If that clears up any of the pending tx 1325 * operations, then just return without printing the warning 1326 * message or resetting the adapter, as we can then conclude 1327 * the chip hasn't actually crashed (it's still sending packets). 1328 */ 1329 pending_txs_start = sc->pending_txs; 1330 sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 1331 sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1332 sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); |
| 1331 if (sc->pending_txs < pending_txs_start) { 1332 NVE_UNLOCK(sc); | 1333 if (sc->pending_txs < pending_txs_start) |
| 1333 return; | 1334 return; |
| 1334 } | |
| 1335 1336 device_printf(sc->dev, "device timeout (%d)\n", sc->pending_txs); 1337 1338 sc->tx_errors++; 1339 1340 nve_stop(sc); | 1335 1336 device_printf(sc->dev, "device timeout (%d)\n", sc->pending_txs); 1337 1338 sc->tx_errors++; 1339 1340 nve_stop(sc); |
| 1341 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; | |
| 1342 nve_init_locked(sc); 1343 1344 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1345 nve_ifstart_locked(ifp); | 1341 nve_init_locked(sc); 1342 1343 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1344 nve_ifstart_locked(ifp); |
| 1346 NVE_UNLOCK(sc); 1347 1348 return; | |
| 1349} 1350 1351/* --- Start of NVOSAPI interface --- */ 1352 1353/* Allocate DMA enabled general use memory for API */ 1354static NV_SINT32 1355nve_osalloc(PNV_VOID ctx, PMEMORY_BLOCK mem) 1356{ --- 443 unchanged lines hidden --- | 1345} 1346 1347/* --- Start of NVOSAPI interface --- */ 1348 1349/* Allocate DMA enabled general use memory for API */ 1350static NV_SINT32 1351nve_osalloc(PNV_VOID ctx, PMEMORY_BLOCK mem) 1352{ --- 443 unchanged lines hidden --- |