Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * forcedeth: Ethernet driver for NVIDIA nForce media access controllers. |
| 3 | * |
| 4 | * Note: This driver is a cleanroom reimplementation based on reverse |
| 5 | * engineered documentation written by Carl-Daniel Hailfinger |
| 6 | * and Andrew de Quincey. It's neither supported nor endorsed |
| 7 | * by NVIDIA Corp. Use at your own risk. |
| 8 | * |
| 9 | * NVIDIA, nForce and other NVIDIA marks are trademarks or registered |
| 10 | * trademarks of NVIDIA Corporation in the United States and other |
| 11 | * countries. |
| 12 | * |
Manfred Spraul | 1836098 | 2005-12-24 14:19:24 +0100 | [diff] [blame] | 13 | * Copyright (C) 2003,4,5 Manfred Spraul |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | * Copyright (C) 2004 Andrew de Quincey (wol support) |
| 15 | * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane |
| 16 | * IRQ rate fixes, bigendian fixes, cleanups, verification) |
| 17 | * Copyright (c) 2004 NVIDIA Corporation |
| 18 | * |
| 19 | * This program is free software; you can redistribute it and/or modify |
| 20 | * it under the terms of the GNU General Public License as published by |
| 21 | * the Free Software Foundation; either version 2 of the License, or |
| 22 | * (at your option) any later version. |
| 23 | * |
| 24 | * This program is distributed in the hope that it will be useful, |
| 25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 27 | * GNU General Public License for more details. |
| 28 | * |
| 29 | * You should have received a copy of the GNU General Public License |
| 30 | * along with this program; if not, write to the Free Software |
| 31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 32 | * |
| 33 | * Changelog: |
| 34 | * 0.01: 05 Oct 2003: First release that compiles without warnings. |
| 35 | * 0.02: 05 Oct 2003: Fix bug for nv_drain_tx: do not try to free NULL skbs. |
| 36 | * Check all PCI BARs for the register window. |
| 37 | * udelay added to mii_rw. |
| 38 | * 0.03: 06 Oct 2003: Initialize dev->irq. |
| 39 | * 0.04: 07 Oct 2003: Initialize np->lock, reduce handled irqs, add printks. |
| 40 | * 0.05: 09 Oct 2003: printk removed again, irq status print tx_timeout. |
| 41 | * 0.06: 10 Oct 2003: MAC Address read updated, pff flag generation updated, |
| 42 | * irq mask updated |
| 43 | * 0.07: 14 Oct 2003: Further irq mask updates. |
| 44 | * 0.08: 20 Oct 2003: rx_desc.Length initialization added, nv_alloc_rx refill |
| 45 | * added into irq handler, NULL check for drain_ring. |
| 46 | * 0.09: 20 Oct 2003: Basic link speed irq implementation. Only handle the |
| 47 | * requested interrupt sources. |
| 48 | * 0.10: 20 Oct 2003: First cleanup for release. |
| 49 | * 0.11: 21 Oct 2003: hexdump for tx added, rx buffer sizes increased. |
| 50 | * MAC Address init fix, set_multicast cleanup. |
| 51 | * 0.12: 23 Oct 2003: Cleanups for release. |
| 52 | * 0.13: 25 Oct 2003: Limit for concurrent tx packets increased to 10. |
| 53 | * Set link speed correctly. start rx before starting |
| 54 | * tx (nv_start_rx sets the link speed). |
| 55 | * 0.14: 25 Oct 2003: Nic dependant irq mask. |
| 56 | * 0.15: 08 Nov 2003: fix smp deadlock with set_multicast_list during |
| 57 | * open. |
| 58 | * 0.16: 15 Nov 2003: include file cleanup for ppc64, rx buffer size |
| 59 | * increased to 1628 bytes. |
| 60 | * 0.17: 16 Nov 2003: undo rx buffer size increase. Substract 1 from |
| 61 | * the tx length. |
| 62 | * 0.18: 17 Nov 2003: fix oops due to late initialization of dev_stats |
| 63 | * 0.19: 29 Nov 2003: Handle RxNoBuf, detect & handle invalid mac |
| 64 | * addresses, really stop rx if already running |
| 65 | * in nv_start_rx, clean up a bit. |
| 66 | * 0.20: 07 Dec 2003: alloc fixes |
| 67 | * 0.21: 12 Jan 2004: additional alloc fix, nic polling fix. |
| 68 | * 0.22: 19 Jan 2004: reprogram timer to a sane rate, avoid lockup |
| 69 | * on close. |
| 70 | * 0.23: 26 Jan 2004: various small cleanups |
| 71 | * 0.24: 27 Feb 2004: make driver even less anonymous in backtraces |
| 72 | * 0.25: 09 Mar 2004: wol support |
| 73 | * 0.26: 03 Jun 2004: netdriver specific annotation, sparse-related fixes |
| 74 | * 0.27: 19 Jun 2004: Gigabit support, new descriptor rings, |
| 75 | * added CK804/MCP04 device IDs, code fixes |
| 76 | * for registers, link status and other minor fixes. |
| 77 | * 0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe |
| 78 | * 0.29: 31 Aug 2004: Add backup timer for link change notification. |
| 79 | * 0.30: 25 Sep 2004: rx checksum support for nf 250 Gb. Add rx reset |
| 80 | * into nv_close, otherwise reenabling for wol can |
| 81 | * cause DMA to kfree'd memory. |
| 82 | * 0.31: 14 Nov 2004: ethtool support for getting/setting link |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 83 | * capabilities. |
Manfred Spraul | 22c6d14 | 2005-04-19 21:17:09 +0200 | [diff] [blame] | 84 | * 0.32: 16 Apr 2005: RX_ERROR4 handling added. |
Manfred Spraul | 8f767fc | 2005-06-18 16:27:19 +0200 | [diff] [blame] | 85 | * 0.33: 16 May 2005: Support for MCP51 added. |
| 86 | * 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics. |
Manfred Spraul | f49d16e | 2005-06-26 11:36:52 +0200 | [diff] [blame] | 87 | * 0.35: 26 Jun 2005: Support for MCP55 added. |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 88 | * 0.36: 28 Jun 2005: Add jumbo frame support. |
| 89 | * 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 90 | * 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of |
| 91 | * per-packet flags. |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 92 | * 0.39: 18 Jul 2005: Add 64bit descriptor support. |
| 93 | * 0.40: 19 Jul 2005: Add support for mac address change. |
| 94 | * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead |
Manfred Spraul | b3df9f8 | 2005-07-31 18:38:58 +0200 | [diff] [blame] | 95 | * of nv_remove |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 96 | * 0.42: 06 Aug 2005: Fix lack of link speed initialization |
Manfred Spraul | 1b1b3c9 | 2005-08-06 23:47:55 +0200 | [diff] [blame] | 97 | * in the second (and later) nv_open call |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 98 | * 0.43: 10 Aug 2005: Add support for tx checksum. |
| 99 | * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation. |
| 100 | * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 101 | * 0.46: 20 Oct 2005: Add irq optimization modes. |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 102 | * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. |
Manfred Spraul | 1836098 | 2005-12-24 14:19:24 +0100 | [diff] [blame] | 103 | * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 104 | * 0.49: 10 Dec 2005: Fix tso for large buffers. |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 105 | * 0.50: 20 Jan 2006: Add 8021pq tagging support. |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 106 | * 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings. |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 107 | * 0.52: 20 Jan 2006: Add MSI/MSIX support. |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 108 | * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset. |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 109 | * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 110 | * 0.55: 22 Mar 2006: Add flow control (pause frame). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | * |
| 112 | * Known bugs: |
| 113 | * We suspect that on some hardware no TX done interrupts are generated. |
| 114 | * This means recovery from netif_stop_queue only happens if the hw timer |
| 115 | * interrupt fires (100 times/second, configurable with NVREG_POLL_DEFAULT) |
| 116 | * and the timer is active in the IRQMask, or if a rx packet arrives by chance. |
| 117 | * If your hardware reliably generates tx done interrupts, then you can remove |
| 118 | * DEV_NEED_TIMERIRQ from the driver_data flags. |
| 119 | * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few |
| 120 | * superfluous timer interrupts from the nic. |
| 121 | */ |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 122 | #define FORCEDETH_VERSION "0.55" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | #define DRV_NAME "forcedeth" |
| 124 | |
| 125 | #include <linux/module.h> |
| 126 | #include <linux/types.h> |
| 127 | #include <linux/pci.h> |
| 128 | #include <linux/interrupt.h> |
| 129 | #include <linux/netdevice.h> |
| 130 | #include <linux/etherdevice.h> |
| 131 | #include <linux/delay.h> |
| 132 | #include <linux/spinlock.h> |
| 133 | #include <linux/ethtool.h> |
| 134 | #include <linux/timer.h> |
| 135 | #include <linux/skbuff.h> |
| 136 | #include <linux/mii.h> |
| 137 | #include <linux/random.h> |
| 138 | #include <linux/init.h> |
Manfred Spraul | 22c6d14 | 2005-04-19 21:17:09 +0200 | [diff] [blame] | 139 | #include <linux/if_vlan.h> |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 140 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | #include <asm/irq.h> |
| 143 | #include <asm/io.h> |
| 144 | #include <asm/uaccess.h> |
| 145 | #include <asm/system.h> |
| 146 | |
| 147 | #if 0 |
| 148 | #define dprintk printk |
| 149 | #else |
| 150 | #define dprintk(x...) do { } while (0) |
| 151 | #endif |
| 152 | |
| 153 | |
| 154 | /* |
| 155 | * Hardware access: |
| 156 | */ |
| 157 | |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 158 | #define DEV_NEED_TIMERIRQ 0x0001 /* set the timer irq flag in the irq mask */ |
| 159 | #define DEV_NEED_LINKTIMER 0x0002 /* poll link settings. Relies on the timer irq */ |
| 160 | #define DEV_HAS_LARGEDESC 0x0004 /* device supports jumbo frames and needs packet format 2 */ |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 161 | #define DEV_HAS_HIGH_DMA 0x0008 /* device supports 64bit dma */ |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 162 | #define DEV_HAS_CHECKSUM 0x0010 /* device supports tx and rx checksum offloads */ |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 163 | #define DEV_HAS_VLAN 0x0020 /* device supports vlan tagging and striping */ |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 164 | #define DEV_HAS_MSI 0x0040 /* device supports MSI */ |
| 165 | #define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */ |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 166 | #define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */ |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 167 | #define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
| 169 | enum { |
| 170 | NvRegIrqStatus = 0x000, |
| 171 | #define NVREG_IRQSTAT_MIIEVENT 0x040 |
| 172 | #define NVREG_IRQSTAT_MASK 0x1ff |
| 173 | NvRegIrqMask = 0x004, |
| 174 | #define NVREG_IRQ_RX_ERROR 0x0001 |
| 175 | #define NVREG_IRQ_RX 0x0002 |
| 176 | #define NVREG_IRQ_RX_NOBUF 0x0004 |
| 177 | #define NVREG_IRQ_TX_ERR 0x0008 |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 178 | #define NVREG_IRQ_TX_OK 0x0010 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | #define NVREG_IRQ_TIMER 0x0020 |
| 180 | #define NVREG_IRQ_LINK 0x0040 |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 181 | #define NVREG_IRQ_RX_FORCED 0x0080 |
| 182 | #define NVREG_IRQ_TX_FORCED 0x0100 |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 183 | #define NVREG_IRQMASK_THROUGHPUT 0x00df |
| 184 | #define NVREG_IRQMASK_CPU 0x0040 |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 185 | #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) |
| 186 | #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) |
| 187 | #define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK) |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 188 | |
| 189 | #define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \ |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 190 | NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \ |
| 191 | NVREG_IRQ_TX_FORCED)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | |
| 193 | NvRegUnknownSetupReg6 = 0x008, |
| 194 | #define NVREG_UNKSETUP6_VAL 3 |
| 195 | |
| 196 | /* |
| 197 | * NVREG_POLL_DEFAULT is the interval length of the timer source on the nic |
| 198 | * NVREG_POLL_DEFAULT=97 would result in an interval length of 1 ms |
| 199 | */ |
| 200 | NvRegPollingInterval = 0x00c, |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 201 | #define NVREG_POLL_DEFAULT_THROUGHPUT 970 |
| 202 | #define NVREG_POLL_DEFAULT_CPU 13 |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 203 | NvRegMSIMap0 = 0x020, |
| 204 | NvRegMSIMap1 = 0x024, |
| 205 | NvRegMSIIrqMask = 0x030, |
| 206 | #define NVREG_MSI_VECTOR_0_ENABLED 0x01 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | NvRegMisc1 = 0x080, |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 208 | #define NVREG_MISC1_PAUSE_TX 0x01 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | #define NVREG_MISC1_HD 0x02 |
| 210 | #define NVREG_MISC1_FORCE 0x3b0f3c |
| 211 | |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 212 | NvRegMacReset = 0x3c, |
| 213 | #define NVREG_MAC_RESET_ASSERT 0x0F3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | NvRegTransmitterControl = 0x084, |
| 215 | #define NVREG_XMITCTL_START 0x01 |
| 216 | NvRegTransmitterStatus = 0x088, |
| 217 | #define NVREG_XMITSTAT_BUSY 0x01 |
| 218 | |
| 219 | NvRegPacketFilterFlags = 0x8c, |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 220 | #define NVREG_PFF_PAUSE_RX 0x08 |
| 221 | #define NVREG_PFF_ALWAYS 0x7F0000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | #define NVREG_PFF_PROMISC 0x80 |
| 223 | #define NVREG_PFF_MYADDR 0x20 |
| 224 | |
| 225 | NvRegOffloadConfig = 0x90, |
| 226 | #define NVREG_OFFLOAD_HOMEPHY 0x601 |
| 227 | #define NVREG_OFFLOAD_NORMAL RX_NIC_BUFSIZE |
| 228 | NvRegReceiverControl = 0x094, |
| 229 | #define NVREG_RCVCTL_START 0x01 |
| 230 | NvRegReceiverStatus = 0x98, |
| 231 | #define NVREG_RCVSTAT_BUSY 0x01 |
| 232 | |
| 233 | NvRegRandomSeed = 0x9c, |
| 234 | #define NVREG_RNDSEED_MASK 0x00ff |
| 235 | #define NVREG_RNDSEED_FORCE 0x7f00 |
| 236 | #define NVREG_RNDSEED_FORCE2 0x2d00 |
| 237 | #define NVREG_RNDSEED_FORCE3 0x7400 |
| 238 | |
| 239 | NvRegUnknownSetupReg1 = 0xA0, |
| 240 | #define NVREG_UNKSETUP1_VAL 0x16070f |
| 241 | NvRegUnknownSetupReg2 = 0xA4, |
| 242 | #define NVREG_UNKSETUP2_VAL 0x16 |
| 243 | NvRegMacAddrA = 0xA8, |
| 244 | NvRegMacAddrB = 0xAC, |
| 245 | NvRegMulticastAddrA = 0xB0, |
| 246 | #define NVREG_MCASTADDRA_FORCE 0x01 |
| 247 | NvRegMulticastAddrB = 0xB4, |
| 248 | NvRegMulticastMaskA = 0xB8, |
| 249 | NvRegMulticastMaskB = 0xBC, |
| 250 | |
| 251 | NvRegPhyInterface = 0xC0, |
| 252 | #define PHY_RGMII 0x10000000 |
| 253 | |
| 254 | NvRegTxRingPhysAddr = 0x100, |
| 255 | NvRegRxRingPhysAddr = 0x104, |
| 256 | NvRegRingSizes = 0x108, |
| 257 | #define NVREG_RINGSZ_TXSHIFT 0 |
| 258 | #define NVREG_RINGSZ_RXSHIFT 16 |
| 259 | NvRegUnknownTransmitterReg = 0x10c, |
| 260 | NvRegLinkSpeed = 0x110, |
| 261 | #define NVREG_LINKSPEED_FORCE 0x10000 |
| 262 | #define NVREG_LINKSPEED_10 1000 |
| 263 | #define NVREG_LINKSPEED_100 100 |
| 264 | #define NVREG_LINKSPEED_1000 50 |
| 265 | #define NVREG_LINKSPEED_MASK (0xFFF) |
| 266 | NvRegUnknownSetupReg5 = 0x130, |
| 267 | #define NVREG_UNKSETUP5_BIT31 (1<<31) |
| 268 | NvRegUnknownSetupReg3 = 0x13c, |
| 269 | #define NVREG_UNKSETUP3_VAL1 0x200010 |
| 270 | NvRegTxRxControl = 0x144, |
| 271 | #define NVREG_TXRXCTL_KICK 0x0001 |
| 272 | #define NVREG_TXRXCTL_BIT1 0x0002 |
| 273 | #define NVREG_TXRXCTL_BIT2 0x0004 |
| 274 | #define NVREG_TXRXCTL_IDLE 0x0008 |
| 275 | #define NVREG_TXRXCTL_RESET 0x0010 |
| 276 | #define NVREG_TXRXCTL_RXCHECK 0x0400 |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 277 | #define NVREG_TXRXCTL_DESC_1 0 |
| 278 | #define NVREG_TXRXCTL_DESC_2 0x02100 |
| 279 | #define NVREG_TXRXCTL_DESC_3 0x02200 |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 280 | #define NVREG_TXRXCTL_VLANSTRIP 0x00040 |
| 281 | #define NVREG_TXRXCTL_VLANINS 0x00080 |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 282 | NvRegTxRingPhysAddrHigh = 0x148, |
| 283 | NvRegRxRingPhysAddrHigh = 0x14C, |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 284 | NvRegTxPauseFrame = 0x170, |
| 285 | #define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 |
| 286 | #define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | NvRegMIIStatus = 0x180, |
| 288 | #define NVREG_MIISTAT_ERROR 0x0001 |
| 289 | #define NVREG_MIISTAT_LINKCHANGE 0x0008 |
| 290 | #define NVREG_MIISTAT_MASK 0x000f |
| 291 | #define NVREG_MIISTAT_MASK2 0x000f |
| 292 | NvRegUnknownSetupReg4 = 0x184, |
| 293 | #define NVREG_UNKSETUP4_VAL 8 |
| 294 | |
| 295 | NvRegAdapterControl = 0x188, |
| 296 | #define NVREG_ADAPTCTL_START 0x02 |
| 297 | #define NVREG_ADAPTCTL_LINKUP 0x04 |
| 298 | #define NVREG_ADAPTCTL_PHYVALID 0x40000 |
| 299 | #define NVREG_ADAPTCTL_RUNNING 0x100000 |
| 300 | #define NVREG_ADAPTCTL_PHYSHIFT 24 |
| 301 | NvRegMIISpeed = 0x18c, |
| 302 | #define NVREG_MIISPEED_BIT8 (1<<8) |
| 303 | #define NVREG_MIIDELAY 5 |
| 304 | NvRegMIIControl = 0x190, |
| 305 | #define NVREG_MIICTL_INUSE 0x08000 |
| 306 | #define NVREG_MIICTL_WRITE 0x00400 |
| 307 | #define NVREG_MIICTL_ADDRSHIFT 5 |
| 308 | NvRegMIIData = 0x194, |
| 309 | NvRegWakeUpFlags = 0x200, |
| 310 | #define NVREG_WAKEUPFLAGS_VAL 0x7770 |
| 311 | #define NVREG_WAKEUPFLAGS_BUSYSHIFT 24 |
| 312 | #define NVREG_WAKEUPFLAGS_ENABLESHIFT 16 |
| 313 | #define NVREG_WAKEUPFLAGS_D3SHIFT 12 |
| 314 | #define NVREG_WAKEUPFLAGS_D2SHIFT 8 |
| 315 | #define NVREG_WAKEUPFLAGS_D1SHIFT 4 |
| 316 | #define NVREG_WAKEUPFLAGS_D0SHIFT 0 |
| 317 | #define NVREG_WAKEUPFLAGS_ACCEPT_MAGPAT 0x01 |
| 318 | #define NVREG_WAKEUPFLAGS_ACCEPT_WAKEUPPAT 0x02 |
| 319 | #define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04 |
| 320 | #define NVREG_WAKEUPFLAGS_ENABLE 0x1111 |
| 321 | |
| 322 | NvRegPatternCRC = 0x204, |
| 323 | NvRegPatternMask = 0x208, |
| 324 | NvRegPowerCap = 0x268, |
| 325 | #define NVREG_POWERCAP_D3SUPP (1<<30) |
| 326 | #define NVREG_POWERCAP_D2SUPP (1<<26) |
| 327 | #define NVREG_POWERCAP_D1SUPP (1<<25) |
| 328 | NvRegPowerState = 0x26c, |
| 329 | #define NVREG_POWERSTATE_POWEREDUP 0x8000 |
| 330 | #define NVREG_POWERSTATE_VALID 0x0100 |
| 331 | #define NVREG_POWERSTATE_MASK 0x0003 |
| 332 | #define NVREG_POWERSTATE_D0 0x0000 |
| 333 | #define NVREG_POWERSTATE_D1 0x0001 |
| 334 | #define NVREG_POWERSTATE_D2 0x0002 |
| 335 | #define NVREG_POWERSTATE_D3 0x0003 |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 336 | NvRegVlanControl = 0x300, |
| 337 | #define NVREG_VLANCONTROL_ENABLE 0x2000 |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 338 | NvRegMSIXMap0 = 0x3e0, |
| 339 | NvRegMSIXMap1 = 0x3e4, |
| 340 | NvRegMSIXIrqStatus = 0x3f0, |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 341 | |
| 342 | NvRegPowerState2 = 0x600, |
| 343 | #define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11 |
| 344 | #define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | }; |
| 346 | |
| 347 | /* Big endian: should work, but is untested */ |
| 348 | struct ring_desc { |
| 349 | u32 PacketBuffer; |
| 350 | u32 FlagLen; |
| 351 | }; |
| 352 | |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 353 | struct ring_desc_ex { |
| 354 | u32 PacketBufferHigh; |
| 355 | u32 PacketBufferLow; |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 356 | u32 TxVlan; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 357 | u32 FlagLen; |
| 358 | }; |
| 359 | |
| 360 | typedef union _ring_type { |
| 361 | struct ring_desc* orig; |
| 362 | struct ring_desc_ex* ex; |
| 363 | } ring_type; |
| 364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | #define FLAG_MASK_V1 0xffff0000 |
| 366 | #define FLAG_MASK_V2 0xffffc000 |
| 367 | #define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1) |
| 368 | #define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2) |
| 369 | |
| 370 | #define NV_TX_LASTPACKET (1<<16) |
| 371 | #define NV_TX_RETRYERROR (1<<19) |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 372 | #define NV_TX_FORCED_INTERRUPT (1<<24) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | #define NV_TX_DEFERRED (1<<26) |
| 374 | #define NV_TX_CARRIERLOST (1<<27) |
| 375 | #define NV_TX_LATECOLLISION (1<<28) |
| 376 | #define NV_TX_UNDERFLOW (1<<29) |
| 377 | #define NV_TX_ERROR (1<<30) |
| 378 | #define NV_TX_VALID (1<<31) |
| 379 | |
| 380 | #define NV_TX2_LASTPACKET (1<<29) |
| 381 | #define NV_TX2_RETRYERROR (1<<18) |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 382 | #define NV_TX2_FORCED_INTERRUPT (1<<30) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | #define NV_TX2_DEFERRED (1<<25) |
| 384 | #define NV_TX2_CARRIERLOST (1<<26) |
| 385 | #define NV_TX2_LATECOLLISION (1<<27) |
| 386 | #define NV_TX2_UNDERFLOW (1<<28) |
| 387 | /* error and valid are the same for both */ |
| 388 | #define NV_TX2_ERROR (1<<30) |
| 389 | #define NV_TX2_VALID (1<<31) |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 390 | #define NV_TX2_TSO (1<<28) |
| 391 | #define NV_TX2_TSO_SHIFT 14 |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 392 | #define NV_TX2_TSO_MAX_SHIFT 14 |
| 393 | #define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 394 | #define NV_TX2_CHECKSUM_L3 (1<<27) |
| 395 | #define NV_TX2_CHECKSUM_L4 (1<<26) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 397 | #define NV_TX3_VLAN_TAG_PRESENT (1<<18) |
| 398 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | #define NV_RX_DESCRIPTORVALID (1<<16) |
| 400 | #define NV_RX_MISSEDFRAME (1<<17) |
| 401 | #define NV_RX_SUBSTRACT1 (1<<18) |
| 402 | #define NV_RX_ERROR1 (1<<23) |
| 403 | #define NV_RX_ERROR2 (1<<24) |
| 404 | #define NV_RX_ERROR3 (1<<25) |
| 405 | #define NV_RX_ERROR4 (1<<26) |
| 406 | #define NV_RX_CRCERR (1<<27) |
| 407 | #define NV_RX_OVERFLOW (1<<28) |
| 408 | #define NV_RX_FRAMINGERR (1<<29) |
| 409 | #define NV_RX_ERROR (1<<30) |
| 410 | #define NV_RX_AVAIL (1<<31) |
| 411 | |
| 412 | #define NV_RX2_CHECKSUMMASK (0x1C000000) |
| 413 | #define NV_RX2_CHECKSUMOK1 (0x10000000) |
| 414 | #define NV_RX2_CHECKSUMOK2 (0x14000000) |
| 415 | #define NV_RX2_CHECKSUMOK3 (0x18000000) |
| 416 | #define NV_RX2_DESCRIPTORVALID (1<<29) |
| 417 | #define NV_RX2_SUBSTRACT1 (1<<25) |
| 418 | #define NV_RX2_ERROR1 (1<<18) |
| 419 | #define NV_RX2_ERROR2 (1<<19) |
| 420 | #define NV_RX2_ERROR3 (1<<20) |
| 421 | #define NV_RX2_ERROR4 (1<<21) |
| 422 | #define NV_RX2_CRCERR (1<<22) |
| 423 | #define NV_RX2_OVERFLOW (1<<23) |
| 424 | #define NV_RX2_FRAMINGERR (1<<24) |
| 425 | /* error and avail are the same for both */ |
| 426 | #define NV_RX2_ERROR (1<<30) |
| 427 | #define NV_RX2_AVAIL (1<<31) |
| 428 | |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 429 | #define NV_RX3_VLAN_TAG_PRESENT (1<<16) |
| 430 | #define NV_RX3_VLAN_TAG_MASK (0x0000FFFF) |
| 431 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | /* Miscelaneous hardware related defines: */ |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 433 | #define NV_PCI_REGSZ_VER1 0x270 |
| 434 | #define NV_PCI_REGSZ_VER2 0x604 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | |
| 436 | /* various timeout delays: all in usec */ |
| 437 | #define NV_TXRX_RESET_DELAY 4 |
| 438 | #define NV_TXSTOP_DELAY1 10 |
| 439 | #define NV_TXSTOP_DELAY1MAX 500000 |
| 440 | #define NV_TXSTOP_DELAY2 100 |
| 441 | #define NV_RXSTOP_DELAY1 10 |
| 442 | #define NV_RXSTOP_DELAY1MAX 500000 |
| 443 | #define NV_RXSTOP_DELAY2 100 |
| 444 | #define NV_SETUP5_DELAY 5 |
| 445 | #define NV_SETUP5_DELAYMAX 50000 |
| 446 | #define NV_POWERUP_DELAY 5 |
| 447 | #define NV_POWERUP_DELAYMAX 5000 |
| 448 | #define NV_MIIBUSY_DELAY 50 |
| 449 | #define NV_MIIPHY_DELAY 10 |
| 450 | #define NV_MIIPHY_DELAYMAX 10000 |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 451 | #define NV_MAC_RESET_DELAY 64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | |
| 453 | #define NV_WAKEUPPATTERNS 5 |
| 454 | #define NV_WAKEUPMASKENTRIES 4 |
| 455 | |
| 456 | /* General driver defaults */ |
| 457 | #define NV_WATCHDOG_TIMEO (5*HZ) |
| 458 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 459 | #define RX_RING_DEFAULT 128 |
| 460 | #define TX_RING_DEFAULT 256 |
| 461 | #define RX_RING_MIN 128 |
| 462 | #define TX_RING_MIN 64 |
| 463 | #define RING_MAX_DESC_VER_1 1024 |
| 464 | #define RING_MAX_DESC_VER_2_3 16384 |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 465 | /* |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 466 | * Difference between the get and put pointers for the tx ring. |
| 467 | * This is used to throttle the amount of data outstanding in the |
| 468 | * tx ring. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | */ |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 470 | #define TX_LIMIT_DIFFERENCE 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | |
| 472 | /* rx/tx mac addr + type + vlan + align + slack*/ |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 473 | #define NV_RX_HEADERS (64) |
| 474 | /* even more slack. */ |
| 475 | #define NV_RX_ALLOC_PAD (64) |
| 476 | |
| 477 | /* maximum mtu size */ |
| 478 | #define NV_PKTLIMIT_1 ETH_DATA_LEN /* hard limit not known */ |
| 479 | #define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia: 9202 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | |
| 481 | #define OOM_REFILL (1+HZ/20) |
| 482 | #define POLL_WAIT (1+HZ/100) |
| 483 | #define LINK_TIMEOUT (3*HZ) |
| 484 | |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 485 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | * desc_ver values: |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 487 | * The nic supports three different descriptor types: |
| 488 | * - DESC_VER_1: Original |
| 489 | * - DESC_VER_2: support for jumbo frames. |
| 490 | * - DESC_VER_3: 64-bit format. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | */ |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 492 | #define DESC_VER_1 1 |
| 493 | #define DESC_VER_2 2 |
| 494 | #define DESC_VER_3 3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | |
| 496 | /* PHY defines */ |
| 497 | #define PHY_OUI_MARVELL 0x5043 |
| 498 | #define PHY_OUI_CICADA 0x03f1 |
| 499 | #define PHYID1_OUI_MASK 0x03ff |
| 500 | #define PHYID1_OUI_SHFT 6 |
| 501 | #define PHYID2_OUI_MASK 0xfc00 |
| 502 | #define PHYID2_OUI_SHFT 10 |
| 503 | #define PHY_INIT1 0x0f000 |
| 504 | #define PHY_INIT2 0x0e00 |
| 505 | #define PHY_INIT3 0x01000 |
| 506 | #define PHY_INIT4 0x0200 |
| 507 | #define PHY_INIT5 0x0004 |
| 508 | #define PHY_INIT6 0x02000 |
| 509 | #define PHY_GIGABIT 0x0100 |
| 510 | |
| 511 | #define PHY_TIMEOUT 0x1 |
| 512 | #define PHY_ERROR 0x2 |
| 513 | |
| 514 | #define PHY_100 0x1 |
| 515 | #define PHY_1000 0x2 |
| 516 | #define PHY_HALF 0x100 |
| 517 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 518 | #define NV_PAUSEFRAME_RX_CAPABLE 0x0001 |
| 519 | #define NV_PAUSEFRAME_TX_CAPABLE 0x0002 |
| 520 | #define NV_PAUSEFRAME_RX_ENABLE 0x0004 |
| 521 | #define NV_PAUSEFRAME_TX_ENABLE 0x0008 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 523 | /* MSI/MSI-X defines */ |
| 524 | #define NV_MSI_X_MAX_VECTORS 8 |
| 525 | #define NV_MSI_X_VECTORS_MASK 0x000f |
| 526 | #define NV_MSI_CAPABLE 0x0010 |
| 527 | #define NV_MSI_X_CAPABLE 0x0020 |
| 528 | #define NV_MSI_ENABLED 0x0040 |
| 529 | #define NV_MSI_X_ENABLED 0x0080 |
| 530 | |
| 531 | #define NV_MSI_X_VECTOR_ALL 0x0 |
| 532 | #define NV_MSI_X_VECTOR_RX 0x0 |
| 533 | #define NV_MSI_X_VECTOR_TX 0x1 |
| 534 | #define NV_MSI_X_VECTOR_OTHER 0x2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | |
| 536 | /* |
| 537 | * SMP locking: |
| 538 | * All hardware access under dev->priv->lock, except the performance |
| 539 | * critical parts: |
| 540 | * - rx is (pseudo-) lockless: it relies on the single-threading provided |
| 541 | * by the arch code for interrupts. |
| 542 | * - tx setup is lockless: it relies on dev->xmit_lock. Actual submission |
| 543 | * needs dev->priv->lock :-( |
| 544 | * - set_multicast_list: preparation lockless, relies on dev->xmit_lock. |
| 545 | */ |
| 546 | |
| 547 | /* in dev: base, irq */ |
| 548 | struct fe_priv { |
| 549 | spinlock_t lock; |
| 550 | |
| 551 | /* General data: |
| 552 | * Locking: spin_lock(&np->lock); */ |
| 553 | struct net_device_stats stats; |
| 554 | int in_shutdown; |
| 555 | u32 linkspeed; |
| 556 | int duplex; |
| 557 | int autoneg; |
| 558 | int fixed_mode; |
| 559 | int phyaddr; |
| 560 | int wolenabled; |
| 561 | unsigned int phy_oui; |
| 562 | u16 gigabit; |
| 563 | |
| 564 | /* General data: RO fields */ |
| 565 | dma_addr_t ring_addr; |
| 566 | struct pci_dev *pci_dev; |
| 567 | u32 orig_mac[2]; |
| 568 | u32 irqmask; |
| 569 | u32 desc_ver; |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 570 | u32 txrxctl_bits; |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 571 | u32 vlanctl_bits; |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 572 | u32 driver_data; |
| 573 | u32 register_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | |
| 575 | void __iomem *base; |
| 576 | |
| 577 | /* rx specific fields. |
| 578 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); |
| 579 | */ |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 580 | ring_type rx_ring; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | unsigned int cur_rx, refill_rx; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 582 | struct sk_buff **rx_skbuff; |
| 583 | dma_addr_t *rx_dma; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | unsigned int rx_buf_sz; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 585 | unsigned int pkt_limit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | struct timer_list oom_kick; |
| 587 | struct timer_list nic_poll; |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 588 | u32 nic_poll_irq; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 589 | int rx_ring_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | |
| 591 | /* media detection workaround. |
| 592 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); |
| 593 | */ |
| 594 | int need_linktimer; |
| 595 | unsigned long link_timeout; |
| 596 | /* |
| 597 | * tx specific fields. |
| 598 | */ |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 599 | ring_type tx_ring; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | unsigned int next_tx, nic_tx; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 601 | struct sk_buff **tx_skbuff; |
| 602 | dma_addr_t *tx_dma; |
| 603 | unsigned int *tx_dma_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | u32 tx_flags; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 605 | int tx_ring_size; |
| 606 | int tx_limit_start; |
| 607 | int tx_limit_stop; |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 608 | |
| 609 | /* vlan fields */ |
| 610 | struct vlan_group *vlangrp; |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 611 | |
| 612 | /* msi/msi-x fields */ |
| 613 | u32 msi_flags; |
| 614 | struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS]; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 615 | |
| 616 | /* flow control */ |
| 617 | u32 pause_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | }; |
| 619 | |
| 620 | /* |
| 621 | * Maximum number of loops until we assume that a bit in the irq mask |
| 622 | * is stuck. Overridable with module param. |
| 623 | */ |
| 624 | static int max_interrupt_work = 5; |
| 625 | |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 626 | /* |
| 627 | * Optimization can be either throuput mode or cpu mode |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 628 | * |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 629 | * Throughput Mode: Every tx and rx packet will generate an interrupt. |
| 630 | * CPU Mode: Interrupts are controlled by a timer. |
| 631 | */ |
| 632 | #define NV_OPTIMIZATION_MODE_THROUGHPUT 0 |
| 633 | #define NV_OPTIMIZATION_MODE_CPU 1 |
| 634 | static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; |
| 635 | |
| 636 | /* |
| 637 | * Poll interval for timer irq |
| 638 | * |
| 639 | * This interval determines how frequent an interrupt is generated. |
| 640 | * The is value is determined by [(time_in_micro_secs * 100) / (2^10)] |
| 641 | * Min = 0, and Max = 65535 |
| 642 | */ |
| 643 | static int poll_interval = -1; |
| 644 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 645 | /* |
| 646 | * Disable MSI interrupts |
| 647 | */ |
| 648 | static int disable_msi = 0; |
| 649 | |
| 650 | /* |
| 651 | * Disable MSIX interrupts |
| 652 | */ |
| 653 | static int disable_msix = 0; |
| 654 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | static inline struct fe_priv *get_nvpriv(struct net_device *dev) |
| 656 | { |
| 657 | return netdev_priv(dev); |
| 658 | } |
| 659 | |
| 660 | static inline u8 __iomem *get_hwbase(struct net_device *dev) |
| 661 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 662 | return ((struct fe_priv *)netdev_priv(dev))->base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | static inline void pci_push(u8 __iomem *base) |
| 666 | { |
| 667 | /* force out pending posted writes */ |
| 668 | readl(base); |
| 669 | } |
| 670 | |
| 671 | static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v) |
| 672 | { |
| 673 | return le32_to_cpu(prd->FlagLen) |
| 674 | & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2); |
| 675 | } |
| 676 | |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 677 | static inline u32 nv_descr_getlength_ex(struct ring_desc_ex *prd, u32 v) |
| 678 | { |
| 679 | return le32_to_cpu(prd->FlagLen) & LEN_MASK_V2; |
| 680 | } |
| 681 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target, |
| 683 | int delay, int delaymax, const char *msg) |
| 684 | { |
| 685 | u8 __iomem *base = get_hwbase(dev); |
| 686 | |
| 687 | pci_push(base); |
| 688 | do { |
| 689 | udelay(delay); |
| 690 | delaymax -= delay; |
| 691 | if (delaymax < 0) { |
| 692 | if (msg) |
| 693 | printk(msg); |
| 694 | return 1; |
| 695 | } |
| 696 | } while ((readl(base + offset) & mask) != target); |
| 697 | return 0; |
| 698 | } |
| 699 | |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 700 | #define NV_SETUP_RX_RING 0x01 |
| 701 | #define NV_SETUP_TX_RING 0x02 |
| 702 | |
| 703 | static void setup_hw_rings(struct net_device *dev, int rxtx_flags) |
| 704 | { |
| 705 | struct fe_priv *np = get_nvpriv(dev); |
| 706 | u8 __iomem *base = get_hwbase(dev); |
| 707 | |
| 708 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 709 | if (rxtx_flags & NV_SETUP_RX_RING) { |
| 710 | writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); |
| 711 | } |
| 712 | if (rxtx_flags & NV_SETUP_TX_RING) { |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 713 | writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 714 | } |
| 715 | } else { |
| 716 | if (rxtx_flags & NV_SETUP_RX_RING) { |
| 717 | writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); |
| 718 | writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh); |
| 719 | } |
| 720 | if (rxtx_flags & NV_SETUP_TX_RING) { |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 721 | writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); |
| 722 | writel((u32) (cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh); |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | } |
| 726 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 727 | static void free_rings(struct net_device *dev) |
| 728 | { |
| 729 | struct fe_priv *np = get_nvpriv(dev); |
| 730 | |
| 731 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 732 | if(np->rx_ring.orig) |
| 733 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
| 734 | np->rx_ring.orig, np->ring_addr); |
| 735 | } else { |
| 736 | if (np->rx_ring.ex) |
| 737 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
| 738 | np->rx_ring.ex, np->ring_addr); |
| 739 | } |
| 740 | if (np->rx_skbuff) |
| 741 | kfree(np->rx_skbuff); |
| 742 | if (np->rx_dma) |
| 743 | kfree(np->rx_dma); |
| 744 | if (np->tx_skbuff) |
| 745 | kfree(np->tx_skbuff); |
| 746 | if (np->tx_dma) |
| 747 | kfree(np->tx_dma); |
| 748 | if (np->tx_dma_len) |
| 749 | kfree(np->tx_dma_len); |
| 750 | } |
| 751 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 752 | static int using_multi_irqs(struct net_device *dev) |
| 753 | { |
| 754 | struct fe_priv *np = get_nvpriv(dev); |
| 755 | |
| 756 | if (!(np->msi_flags & NV_MSI_X_ENABLED) || |
| 757 | ((np->msi_flags & NV_MSI_X_ENABLED) && |
| 758 | ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) |
| 759 | return 0; |
| 760 | else |
| 761 | return 1; |
| 762 | } |
| 763 | |
| 764 | static void nv_enable_irq(struct net_device *dev) |
| 765 | { |
| 766 | struct fe_priv *np = get_nvpriv(dev); |
| 767 | |
| 768 | if (!using_multi_irqs(dev)) { |
| 769 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 770 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 771 | else |
| 772 | enable_irq(dev->irq); |
| 773 | } else { |
| 774 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 775 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
| 776 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | static void nv_disable_irq(struct net_device *dev) |
| 781 | { |
| 782 | struct fe_priv *np = get_nvpriv(dev); |
| 783 | |
| 784 | if (!using_multi_irqs(dev)) { |
| 785 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 786 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 787 | else |
| 788 | disable_irq(dev->irq); |
| 789 | } else { |
| 790 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 791 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
| 792 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | /* In MSIX mode, a write to irqmask behaves as XOR */ |
| 797 | static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask) |
| 798 | { |
| 799 | u8 __iomem *base = get_hwbase(dev); |
| 800 | |
| 801 | writel(mask, base + NvRegIrqMask); |
| 802 | } |
| 803 | |
| 804 | static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask) |
| 805 | { |
| 806 | struct fe_priv *np = get_nvpriv(dev); |
| 807 | u8 __iomem *base = get_hwbase(dev); |
| 808 | |
| 809 | if (np->msi_flags & NV_MSI_X_ENABLED) { |
| 810 | writel(mask, base + NvRegIrqMask); |
| 811 | } else { |
| 812 | if (np->msi_flags & NV_MSI_ENABLED) |
| 813 | writel(0, base + NvRegMSIIrqMask); |
| 814 | writel(0, base + NvRegIrqMask); |
| 815 | } |
| 816 | } |
| 817 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 818 | #define MII_READ (-1) |
| 819 | /* mii_rw: read/write a register on the PHY. |
| 820 | * |
| 821 | * Caller must guarantee serialization |
| 822 | */ |
| 823 | static int mii_rw(struct net_device *dev, int addr, int miireg, int value) |
| 824 | { |
| 825 | u8 __iomem *base = get_hwbase(dev); |
| 826 | u32 reg; |
| 827 | int retval; |
| 828 | |
| 829 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
| 830 | |
| 831 | reg = readl(base + NvRegMIIControl); |
| 832 | if (reg & NVREG_MIICTL_INUSE) { |
| 833 | writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl); |
| 834 | udelay(NV_MIIBUSY_DELAY); |
| 835 | } |
| 836 | |
| 837 | reg = (addr << NVREG_MIICTL_ADDRSHIFT) | miireg; |
| 838 | if (value != MII_READ) { |
| 839 | writel(value, base + NvRegMIIData); |
| 840 | reg |= NVREG_MIICTL_WRITE; |
| 841 | } |
| 842 | writel(reg, base + NvRegMIIControl); |
| 843 | |
| 844 | if (reg_delay(dev, NvRegMIIControl, NVREG_MIICTL_INUSE, 0, |
| 845 | NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, NULL)) { |
| 846 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d timed out.\n", |
| 847 | dev->name, miireg, addr); |
| 848 | retval = -1; |
| 849 | } else if (value != MII_READ) { |
| 850 | /* it was a write operation - fewer failures are detectable */ |
| 851 | dprintk(KERN_DEBUG "%s: mii_rw wrote 0x%x to reg %d at PHY %d\n", |
| 852 | dev->name, value, miireg, addr); |
| 853 | retval = 0; |
| 854 | } else if (readl(base + NvRegMIIStatus) & NVREG_MIISTAT_ERROR) { |
| 855 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d failed.\n", |
| 856 | dev->name, miireg, addr); |
| 857 | retval = -1; |
| 858 | } else { |
| 859 | retval = readl(base + NvRegMIIData); |
| 860 | dprintk(KERN_DEBUG "%s: mii_rw read from reg %d at PHY %d: 0x%x.\n", |
| 861 | dev->name, miireg, addr, retval); |
| 862 | } |
| 863 | |
| 864 | return retval; |
| 865 | } |
| 866 | |
| 867 | static int phy_reset(struct net_device *dev) |
| 868 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 869 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | u32 miicontrol; |
| 871 | unsigned int tries = 0; |
| 872 | |
| 873 | miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 874 | miicontrol |= BMCR_RESET; |
| 875 | if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) { |
| 876 | return -1; |
| 877 | } |
| 878 | |
| 879 | /* wait for 500ms */ |
| 880 | msleep(500); |
| 881 | |
| 882 | /* must wait till reset is deasserted */ |
| 883 | while (miicontrol & BMCR_RESET) { |
| 884 | msleep(10); |
| 885 | miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 886 | /* FIXME: 100 tries seem excessive */ |
| 887 | if (tries++ > 100) |
| 888 | return -1; |
| 889 | } |
| 890 | return 0; |
| 891 | } |
| 892 | |
| 893 | static int phy_init(struct net_device *dev) |
| 894 | { |
| 895 | struct fe_priv *np = get_nvpriv(dev); |
| 896 | u8 __iomem *base = get_hwbase(dev); |
| 897 | u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg; |
| 898 | |
| 899 | /* set advertise register */ |
| 900 | reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 901 | reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) { |
| 903 | printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev)); |
| 904 | return PHY_ERROR; |
| 905 | } |
| 906 | |
| 907 | /* get phy interface type */ |
| 908 | phyinterface = readl(base + NvRegPhyInterface); |
| 909 | |
| 910 | /* see if gigabit phy */ |
| 911 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
| 912 | if (mii_status & PHY_GIGABIT) { |
| 913 | np->gigabit = PHY_GIGABIT; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 914 | mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 915 | mii_control_1000 &= ~ADVERTISE_1000HALF; |
| 916 | if (phyinterface & PHY_RGMII) |
| 917 | mii_control_1000 |= ADVERTISE_1000FULL; |
| 918 | else |
| 919 | mii_control_1000 &= ~ADVERTISE_1000FULL; |
| 920 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 921 | if (mii_rw(dev, np->phyaddr, MII_CTRL1000, mii_control_1000)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
| 923 | return PHY_ERROR; |
| 924 | } |
| 925 | } |
| 926 | else |
| 927 | np->gigabit = 0; |
| 928 | |
| 929 | /* reset the phy */ |
| 930 | if (phy_reset(dev)) { |
| 931 | printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev)); |
| 932 | return PHY_ERROR; |
| 933 | } |
| 934 | |
| 935 | /* phy vendor specific configuration */ |
| 936 | if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) { |
| 937 | phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ); |
| 938 | phy_reserved &= ~(PHY_INIT1 | PHY_INIT2); |
| 939 | phy_reserved |= (PHY_INIT3 | PHY_INIT4); |
| 940 | if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) { |
| 941 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
| 942 | return PHY_ERROR; |
| 943 | } |
| 944 | phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); |
| 945 | phy_reserved |= PHY_INIT5; |
| 946 | if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) { |
| 947 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
| 948 | return PHY_ERROR; |
| 949 | } |
| 950 | } |
| 951 | if (np->phy_oui == PHY_OUI_CICADA) { |
| 952 | phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ); |
| 953 | phy_reserved |= PHY_INIT6; |
| 954 | if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) { |
| 955 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
| 956 | return PHY_ERROR; |
| 957 | } |
| 958 | } |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 959 | /* some phys clear out pause advertisment on reset, set it back */ |
| 960 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | |
| 962 | /* restart auto negotiation */ |
| 963 | mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 964 | mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); |
| 965 | if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { |
| 966 | return PHY_ERROR; |
| 967 | } |
| 968 | |
| 969 | return 0; |
| 970 | } |
| 971 | |
| 972 | static void nv_start_rx(struct net_device *dev) |
| 973 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 974 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | u8 __iomem *base = get_hwbase(dev); |
| 976 | |
| 977 | dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name); |
| 978 | /* Already running? Stop it. */ |
| 979 | if (readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) { |
| 980 | writel(0, base + NvRegReceiverControl); |
| 981 | pci_push(base); |
| 982 | } |
| 983 | writel(np->linkspeed, base + NvRegLinkSpeed); |
| 984 | pci_push(base); |
| 985 | writel(NVREG_RCVCTL_START, base + NvRegReceiverControl); |
| 986 | dprintk(KERN_DEBUG "%s: nv_start_rx to duplex %d, speed 0x%08x.\n", |
| 987 | dev->name, np->duplex, np->linkspeed); |
| 988 | pci_push(base); |
| 989 | } |
| 990 | |
| 991 | static void nv_stop_rx(struct net_device *dev) |
| 992 | { |
| 993 | u8 __iomem *base = get_hwbase(dev); |
| 994 | |
| 995 | dprintk(KERN_DEBUG "%s: nv_stop_rx\n", dev->name); |
| 996 | writel(0, base + NvRegReceiverControl); |
| 997 | reg_delay(dev, NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0, |
| 998 | NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, |
| 999 | KERN_INFO "nv_stop_rx: ReceiverStatus remained busy"); |
| 1000 | |
| 1001 | udelay(NV_RXSTOP_DELAY2); |
| 1002 | writel(0, base + NvRegLinkSpeed); |
| 1003 | } |
| 1004 | |
| 1005 | static void nv_start_tx(struct net_device *dev) |
| 1006 | { |
| 1007 | u8 __iomem *base = get_hwbase(dev); |
| 1008 | |
| 1009 | dprintk(KERN_DEBUG "%s: nv_start_tx\n", dev->name); |
| 1010 | writel(NVREG_XMITCTL_START, base + NvRegTransmitterControl); |
| 1011 | pci_push(base); |
| 1012 | } |
| 1013 | |
| 1014 | static void nv_stop_tx(struct net_device *dev) |
| 1015 | { |
| 1016 | u8 __iomem *base = get_hwbase(dev); |
| 1017 | |
| 1018 | dprintk(KERN_DEBUG "%s: nv_stop_tx\n", dev->name); |
| 1019 | writel(0, base + NvRegTransmitterControl); |
| 1020 | reg_delay(dev, NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0, |
| 1021 | NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX, |
| 1022 | KERN_INFO "nv_stop_tx: TransmitterStatus remained busy"); |
| 1023 | |
| 1024 | udelay(NV_TXSTOP_DELAY2); |
| 1025 | writel(0, base + NvRegUnknownTransmitterReg); |
| 1026 | } |
| 1027 | |
| 1028 | static void nv_txrx_reset(struct net_device *dev) |
| 1029 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1030 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | u8 __iomem *base = get_hwbase(dev); |
| 1032 | |
| 1033 | dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 1034 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | pci_push(base); |
| 1036 | udelay(NV_TXRX_RESET_DELAY); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 1037 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | pci_push(base); |
| 1039 | } |
| 1040 | |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 1041 | static void nv_mac_reset(struct net_device *dev) |
| 1042 | { |
| 1043 | struct fe_priv *np = netdev_priv(dev); |
| 1044 | u8 __iomem *base = get_hwbase(dev); |
| 1045 | |
| 1046 | dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name); |
| 1047 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
| 1048 | pci_push(base); |
| 1049 | writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset); |
| 1050 | pci_push(base); |
| 1051 | udelay(NV_MAC_RESET_DELAY); |
| 1052 | writel(0, base + NvRegMacReset); |
| 1053 | pci_push(base); |
| 1054 | udelay(NV_MAC_RESET_DELAY); |
| 1055 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
| 1056 | pci_push(base); |
| 1057 | } |
| 1058 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | /* |
| 1060 | * nv_get_stats: dev->get_stats function |
| 1061 | * Get latest stats value from the nic. |
| 1062 | * Called with read_lock(&dev_base_lock) held for read - |
| 1063 | * only synchronized against unregister_netdevice. |
| 1064 | */ |
| 1065 | static struct net_device_stats *nv_get_stats(struct net_device *dev) |
| 1066 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1067 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | |
| 1069 | /* It seems that the nic always generates interrupts and doesn't |
| 1070 | * accumulate errors internally. Thus the current values in np->stats |
| 1071 | * are already up to date. |
| 1072 | */ |
| 1073 | return &np->stats; |
| 1074 | } |
| 1075 | |
| 1076 | /* |
| 1077 | * nv_alloc_rx: fill rx ring entries. |
| 1078 | * Return 1 if the allocations for the skbs failed and the |
| 1079 | * rx engine is without Available descriptors |
| 1080 | */ |
| 1081 | static int nv_alloc_rx(struct net_device *dev) |
| 1082 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1083 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | unsigned int refill_rx = np->refill_rx; |
| 1085 | int nr; |
| 1086 | |
| 1087 | while (np->cur_rx != refill_rx) { |
| 1088 | struct sk_buff *skb; |
| 1089 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1090 | nr = refill_rx % np->rx_ring_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | if (np->rx_skbuff[nr] == NULL) { |
| 1092 | |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1093 | skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | if (!skb) |
| 1095 | break; |
| 1096 | |
| 1097 | skb->dev = dev; |
| 1098 | np->rx_skbuff[nr] = skb; |
| 1099 | } else { |
| 1100 | skb = np->rx_skbuff[nr]; |
| 1101 | } |
Manfred Spraul | 1836098 | 2005-12-24 14:19:24 +0100 | [diff] [blame] | 1102 | np->rx_dma[nr] = pci_map_single(np->pci_dev, skb->data, |
| 1103 | skb->end-skb->data, PCI_DMA_FROMDEVICE); |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1104 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1105 | np->rx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->rx_dma[nr]); |
| 1106 | wmb(); |
| 1107 | np->rx_ring.orig[nr].FlagLen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL); |
| 1108 | } else { |
| 1109 | np->rx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->rx_dma[nr]) >> 32; |
| 1110 | np->rx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->rx_dma[nr]) & 0x0FFFFFFFF; |
| 1111 | wmb(); |
| 1112 | np->rx_ring.ex[nr].FlagLen = cpu_to_le32(np->rx_buf_sz | NV_RX2_AVAIL); |
| 1113 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1114 | dprintk(KERN_DEBUG "%s: nv_alloc_rx: Packet %d marked as Available\n", |
| 1115 | dev->name, refill_rx); |
| 1116 | refill_rx++; |
| 1117 | } |
| 1118 | np->refill_rx = refill_rx; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1119 | if (np->cur_rx - refill_rx == np->rx_ring_size) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | return 1; |
| 1121 | return 0; |
| 1122 | } |
| 1123 | |
| 1124 | static void nv_do_rx_refill(unsigned long data) |
| 1125 | { |
| 1126 | struct net_device *dev = (struct net_device *) data; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1127 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1129 | if (!using_multi_irqs(dev)) { |
| 1130 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 1131 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 1132 | else |
| 1133 | disable_irq(dev->irq); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 1134 | } else { |
| 1135 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 1136 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | if (nv_alloc_rx(dev)) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1138 | spin_lock_irq(&np->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | if (!np->in_shutdown) |
| 1140 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1141 | spin_unlock_irq(&np->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | } |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1143 | if (!using_multi_irqs(dev)) { |
| 1144 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 1145 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 1146 | else |
| 1147 | enable_irq(dev->irq); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 1148 | } else { |
| 1149 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 1150 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1151 | } |
| 1152 | |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1153 | static void nv_init_rx(struct net_device *dev) |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1154 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1155 | struct fe_priv *np = netdev_priv(dev); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1156 | int i; |
| 1157 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1158 | np->cur_rx = np->rx_ring_size; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1159 | np->refill_rx = 0; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1160 | for (i = 0; i < np->rx_ring_size; i++) |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1161 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
| 1162 | np->rx_ring.orig[i].FlagLen = 0; |
| 1163 | else |
| 1164 | np->rx_ring.ex[i].FlagLen = 0; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1165 | } |
| 1166 | |
| 1167 | static void nv_init_tx(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1168 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1169 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1170 | int i; |
| 1171 | |
| 1172 | np->next_tx = np->nic_tx = 0; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1173 | for (i = 0; i < np->tx_ring_size; i++) { |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1174 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
| 1175 | np->tx_ring.orig[i].FlagLen = 0; |
| 1176 | else |
| 1177 | np->tx_ring.ex[i].FlagLen = 0; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1178 | np->tx_skbuff[i] = NULL; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1179 | np->tx_dma[i] = 0; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1180 | } |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1181 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1182 | |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1183 | static int nv_init_ring(struct net_device *dev) |
| 1184 | { |
| 1185 | nv_init_tx(dev); |
| 1186 | nv_init_rx(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | return nv_alloc_rx(dev); |
| 1188 | } |
| 1189 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1190 | static int nv_release_txskb(struct net_device *dev, unsigned int skbnr) |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1191 | { |
| 1192 | struct fe_priv *np = netdev_priv(dev); |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1193 | |
| 1194 | dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d\n", |
| 1195 | dev->name, skbnr); |
| 1196 | |
| 1197 | if (np->tx_dma[skbnr]) { |
| 1198 | pci_unmap_page(np->pci_dev, np->tx_dma[skbnr], |
| 1199 | np->tx_dma_len[skbnr], |
| 1200 | PCI_DMA_TODEVICE); |
| 1201 | np->tx_dma[skbnr] = 0; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1202 | } |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1203 | |
| 1204 | if (np->tx_skbuff[skbnr]) { |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 1205 | dev_kfree_skb_any(np->tx_skbuff[skbnr]); |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1206 | np->tx_skbuff[skbnr] = NULL; |
| 1207 | return 1; |
| 1208 | } else { |
| 1209 | return 0; |
| 1210 | } |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1211 | } |
| 1212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1213 | static void nv_drain_tx(struct net_device *dev) |
| 1214 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1215 | struct fe_priv *np = netdev_priv(dev); |
| 1216 | unsigned int i; |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1217 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1218 | for (i = 0; i < np->tx_ring_size; i++) { |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1219 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
| 1220 | np->tx_ring.orig[i].FlagLen = 0; |
| 1221 | else |
| 1222 | np->tx_ring.ex[i].FlagLen = 0; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1223 | if (nv_release_txskb(dev, i)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1224 | np->stats.tx_dropped++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | static void nv_drain_rx(struct net_device *dev) |
| 1229 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1230 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1231 | int i; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1232 | for (i = 0; i < np->rx_ring_size; i++) { |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1233 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
| 1234 | np->rx_ring.orig[i].FlagLen = 0; |
| 1235 | else |
| 1236 | np->rx_ring.ex[i].FlagLen = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1237 | wmb(); |
| 1238 | if (np->rx_skbuff[i]) { |
| 1239 | pci_unmap_single(np->pci_dev, np->rx_dma[i], |
Manfred Spraul | 1836098 | 2005-12-24 14:19:24 +0100 | [diff] [blame] | 1240 | np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1241 | PCI_DMA_FROMDEVICE); |
| 1242 | dev_kfree_skb(np->rx_skbuff[i]); |
| 1243 | np->rx_skbuff[i] = NULL; |
| 1244 | } |
| 1245 | } |
| 1246 | } |
| 1247 | |
| 1248 | static void drain_ring(struct net_device *dev) |
| 1249 | { |
| 1250 | nv_drain_tx(dev); |
| 1251 | nv_drain_rx(dev); |
| 1252 | } |
| 1253 | |
| 1254 | /* |
| 1255 | * nv_start_xmit: dev->hard_start_xmit function |
| 1256 | * Called with dev->xmit_lock held. |
| 1257 | */ |
| 1258 | static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 1259 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1260 | struct fe_priv *np = netdev_priv(dev); |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1261 | u32 tx_flags = 0; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1262 | u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); |
| 1263 | unsigned int fragments = skb_shinfo(skb)->nr_frags; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1264 | unsigned int nr = (np->next_tx - 1) % np->tx_ring_size; |
| 1265 | unsigned int start_nr = np->next_tx % np->tx_ring_size; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1266 | unsigned int i; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1267 | u32 offset = 0; |
| 1268 | u32 bcnt; |
| 1269 | u32 size = skb->len-skb->data_len; |
| 1270 | u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1271 | u32 tx_flags_vlan = 0; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1272 | |
| 1273 | /* add fragments to entries count */ |
| 1274 | for (i = 0; i < fragments; i++) { |
| 1275 | entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + |
| 1276 | ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); |
| 1277 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | |
| 1279 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1280 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1281 | if ((np->next_tx - np->nic_tx + entries - 1) > np->tx_limit_stop) { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1282 | spin_unlock_irq(&np->lock); |
| 1283 | netif_stop_queue(dev); |
| 1284 | return NETDEV_TX_BUSY; |
| 1285 | } |
| 1286 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1287 | /* setup the header buffer */ |
| 1288 | do { |
| 1289 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1290 | nr = (nr + 1) % np->tx_ring_size; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1291 | |
| 1292 | np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
| 1293 | PCI_DMA_TODEVICE); |
| 1294 | np->tx_dma_len[nr] = bcnt; |
| 1295 | |
| 1296 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1297 | np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); |
| 1298 | np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); |
| 1299 | } else { |
| 1300 | np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; |
| 1301 | np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; |
| 1302 | np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); |
| 1303 | } |
| 1304 | tx_flags = np->tx_flags; |
| 1305 | offset += bcnt; |
| 1306 | size -= bcnt; |
| 1307 | } while(size); |
| 1308 | |
| 1309 | /* setup the fragments */ |
| 1310 | for (i = 0; i < fragments; i++) { |
| 1311 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 1312 | u32 size = frag->size; |
| 1313 | offset = 0; |
| 1314 | |
| 1315 | do { |
| 1316 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1317 | nr = (nr + 1) % np->tx_ring_size; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1318 | |
| 1319 | np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
| 1320 | PCI_DMA_TODEVICE); |
| 1321 | np->tx_dma_len[nr] = bcnt; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1322 | |
| 1323 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1324 | np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1325 | np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1326 | } else { |
| 1327 | np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; |
| 1328 | np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1329 | np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1330 | } |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1331 | offset += bcnt; |
| 1332 | size -= bcnt; |
| 1333 | } while (size); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1334 | } |
| 1335 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1336 | /* set last fragment flag */ |
| 1337 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1338 | np->tx_ring.orig[nr].FlagLen |= cpu_to_le32(tx_flags_extra); |
| 1339 | } else { |
| 1340 | np->tx_ring.ex[nr].FlagLen |= cpu_to_le32(tx_flags_extra); |
| 1341 | } |
| 1342 | |
| 1343 | np->tx_skbuff[nr] = skb; |
| 1344 | |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1345 | #ifdef NETIF_F_TSO |
| 1346 | if (skb_shinfo(skb)->tso_size) |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1347 | tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1348 | else |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1349 | #endif |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1350 | tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1351 | |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1352 | /* vlan tag */ |
| 1353 | if (np->vlangrp && vlan_tx_tag_present(skb)) { |
| 1354 | tx_flags_vlan = NV_TX3_VLAN_TAG_PRESENT | vlan_tx_tag_get(skb); |
| 1355 | } |
| 1356 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1357 | /* set tx flags */ |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1358 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1359 | np->tx_ring.orig[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1360 | } else { |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1361 | np->tx_ring.ex[start_nr].TxVlan = cpu_to_le32(tx_flags_vlan); |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1362 | np->tx_ring.ex[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1363 | } |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1364 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1365 | dprintk(KERN_DEBUG "%s: nv_start_xmit: packet %d (entries %d) queued for transmission. tx_flags_extra: %x\n", |
| 1366 | dev->name, np->next_tx, entries, tx_flags_extra); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1367 | { |
| 1368 | int j; |
| 1369 | for (j=0; j<64; j++) { |
| 1370 | if ((j%16) == 0) |
| 1371 | dprintk("\n%03x:", j); |
| 1372 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); |
| 1373 | } |
| 1374 | dprintk("\n"); |
| 1375 | } |
| 1376 | |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1377 | np->next_tx += entries; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | |
| 1379 | dev->trans_start = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | spin_unlock_irq(&np->lock); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 1381 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1382 | pci_push(get_hwbase(dev)); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1383 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | /* |
| 1387 | * nv_tx_done: check for completed packets, release the skbs. |
| 1388 | * |
| 1389 | * Caller must own np->lock. |
| 1390 | */ |
| 1391 | static void nv_tx_done(struct net_device *dev) |
| 1392 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1393 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | u32 Flags; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1395 | unsigned int i; |
| 1396 | struct sk_buff *skb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1397 | |
| 1398 | while (np->nic_tx != np->next_tx) { |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1399 | i = np->nic_tx % np->tx_ring_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1400 | |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1401 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
| 1402 | Flags = le32_to_cpu(np->tx_ring.orig[i].FlagLen); |
| 1403 | else |
| 1404 | Flags = le32_to_cpu(np->tx_ring.ex[i].FlagLen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | |
| 1406 | dprintk(KERN_DEBUG "%s: nv_tx_done: looking at packet %d, Flags 0x%x.\n", |
| 1407 | dev->name, np->nic_tx, Flags); |
| 1408 | if (Flags & NV_TX_VALID) |
| 1409 | break; |
| 1410 | if (np->desc_ver == DESC_VER_1) { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1411 | if (Flags & NV_TX_LASTPACKET) { |
| 1412 | skb = np->tx_skbuff[i]; |
| 1413 | if (Flags & (NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION| |
| 1414 | NV_TX_UNDERFLOW|NV_TX_ERROR)) { |
| 1415 | if (Flags & NV_TX_UNDERFLOW) |
| 1416 | np->stats.tx_fifo_errors++; |
| 1417 | if (Flags & NV_TX_CARRIERLOST) |
| 1418 | np->stats.tx_carrier_errors++; |
| 1419 | np->stats.tx_errors++; |
| 1420 | } else { |
| 1421 | np->stats.tx_packets++; |
| 1422 | np->stats.tx_bytes += skb->len; |
| 1423 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | } |
| 1425 | } else { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1426 | if (Flags & NV_TX2_LASTPACKET) { |
| 1427 | skb = np->tx_skbuff[i]; |
| 1428 | if (Flags & (NV_TX2_RETRYERROR|NV_TX2_CARRIERLOST|NV_TX2_LATECOLLISION| |
| 1429 | NV_TX2_UNDERFLOW|NV_TX2_ERROR)) { |
| 1430 | if (Flags & NV_TX2_UNDERFLOW) |
| 1431 | np->stats.tx_fifo_errors++; |
| 1432 | if (Flags & NV_TX2_CARRIERLOST) |
| 1433 | np->stats.tx_carrier_errors++; |
| 1434 | np->stats.tx_errors++; |
| 1435 | } else { |
| 1436 | np->stats.tx_packets++; |
| 1437 | np->stats.tx_bytes += skb->len; |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1438 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1439 | } |
| 1440 | } |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 1441 | nv_release_txskb(dev, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | np->nic_tx++; |
| 1443 | } |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1444 | if (np->next_tx - np->nic_tx < np->tx_limit_start) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1445 | netif_wake_queue(dev); |
| 1446 | } |
| 1447 | |
| 1448 | /* |
| 1449 | * nv_tx_timeout: dev->tx_timeout function |
| 1450 | * Called with dev->xmit_lock held. |
| 1451 | */ |
| 1452 | static void nv_tx_timeout(struct net_device *dev) |
| 1453 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1454 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1455 | u8 __iomem *base = get_hwbase(dev); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 1456 | u32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1457 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 1458 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 1459 | status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; |
| 1460 | else |
| 1461 | status = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; |
| 1462 | |
| 1463 | printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1464 | |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 1465 | { |
| 1466 | int i; |
| 1467 | |
| 1468 | printk(KERN_INFO "%s: Ring at %lx: next %d nic %d\n", |
| 1469 | dev->name, (unsigned long)np->ring_addr, |
| 1470 | np->next_tx, np->nic_tx); |
| 1471 | printk(KERN_INFO "%s: Dumping tx registers\n", dev->name); |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 1472 | for (i=0;i<=np->register_size;i+= 32) { |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 1473 | printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
| 1474 | i, |
| 1475 | readl(base + i + 0), readl(base + i + 4), |
| 1476 | readl(base + i + 8), readl(base + i + 12), |
| 1477 | readl(base + i + 16), readl(base + i + 20), |
| 1478 | readl(base + i + 24), readl(base + i + 28)); |
| 1479 | } |
| 1480 | printk(KERN_INFO "%s: Dumping tx ring\n", dev->name); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1481 | for (i=0;i<np->tx_ring_size;i+= 4) { |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1482 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1483 | printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n", |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1484 | i, |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1485 | le32_to_cpu(np->tx_ring.orig[i].PacketBuffer), |
| 1486 | le32_to_cpu(np->tx_ring.orig[i].FlagLen), |
| 1487 | le32_to_cpu(np->tx_ring.orig[i+1].PacketBuffer), |
| 1488 | le32_to_cpu(np->tx_ring.orig[i+1].FlagLen), |
| 1489 | le32_to_cpu(np->tx_ring.orig[i+2].PacketBuffer), |
| 1490 | le32_to_cpu(np->tx_ring.orig[i+2].FlagLen), |
| 1491 | le32_to_cpu(np->tx_ring.orig[i+3].PacketBuffer), |
| 1492 | le32_to_cpu(np->tx_ring.orig[i+3].FlagLen)); |
| 1493 | } else { |
| 1494 | printk(KERN_INFO "%03x: %08x %08x %08x // %08x %08x %08x // %08x %08x %08x // %08x %08x %08x\n", |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 1495 | i, |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1496 | le32_to_cpu(np->tx_ring.ex[i].PacketBufferHigh), |
| 1497 | le32_to_cpu(np->tx_ring.ex[i].PacketBufferLow), |
| 1498 | le32_to_cpu(np->tx_ring.ex[i].FlagLen), |
| 1499 | le32_to_cpu(np->tx_ring.ex[i+1].PacketBufferHigh), |
| 1500 | le32_to_cpu(np->tx_ring.ex[i+1].PacketBufferLow), |
| 1501 | le32_to_cpu(np->tx_ring.ex[i+1].FlagLen), |
| 1502 | le32_to_cpu(np->tx_ring.ex[i+2].PacketBufferHigh), |
| 1503 | le32_to_cpu(np->tx_ring.ex[i+2].PacketBufferLow), |
| 1504 | le32_to_cpu(np->tx_ring.ex[i+2].FlagLen), |
| 1505 | le32_to_cpu(np->tx_ring.ex[i+3].PacketBufferHigh), |
| 1506 | le32_to_cpu(np->tx_ring.ex[i+3].PacketBufferLow), |
| 1507 | le32_to_cpu(np->tx_ring.ex[i+3].FlagLen)); |
| 1508 | } |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 1509 | } |
| 1510 | } |
| 1511 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | spin_lock_irq(&np->lock); |
| 1513 | |
| 1514 | /* 1) stop tx engine */ |
| 1515 | nv_stop_tx(dev); |
| 1516 | |
| 1517 | /* 2) check that the packets were not sent already: */ |
| 1518 | nv_tx_done(dev); |
| 1519 | |
| 1520 | /* 3) if there are dead entries: clear everything */ |
| 1521 | if (np->next_tx != np->nic_tx) { |
| 1522 | printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); |
| 1523 | nv_drain_tx(dev); |
| 1524 | np->next_tx = np->nic_tx = 0; |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 1525 | setup_hw_rings(dev, NV_SETUP_TX_RING); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1526 | netif_wake_queue(dev); |
| 1527 | } |
| 1528 | |
| 1529 | /* 4) restart tx engine */ |
| 1530 | nv_start_tx(dev); |
| 1531 | spin_unlock_irq(&np->lock); |
| 1532 | } |
| 1533 | |
Manfred Spraul | 22c6d14 | 2005-04-19 21:17:09 +0200 | [diff] [blame] | 1534 | /* |
| 1535 | * Called when the nic notices a mismatch between the actual data len on the |
| 1536 | * wire and the len indicated in the 802 header |
| 1537 | */ |
| 1538 | static int nv_getlen(struct net_device *dev, void *packet, int datalen) |
| 1539 | { |
| 1540 | int hdrlen; /* length of the 802 header */ |
| 1541 | int protolen; /* length as stored in the proto field */ |
| 1542 | |
| 1543 | /* 1) calculate len according to header */ |
| 1544 | if ( ((struct vlan_ethhdr *)packet)->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { |
| 1545 | protolen = ntohs( ((struct vlan_ethhdr *)packet)->h_vlan_encapsulated_proto ); |
| 1546 | hdrlen = VLAN_HLEN; |
| 1547 | } else { |
| 1548 | protolen = ntohs( ((struct ethhdr *)packet)->h_proto); |
| 1549 | hdrlen = ETH_HLEN; |
| 1550 | } |
| 1551 | dprintk(KERN_DEBUG "%s: nv_getlen: datalen %d, protolen %d, hdrlen %d\n", |
| 1552 | dev->name, datalen, protolen, hdrlen); |
| 1553 | if (protolen > ETH_DATA_LEN) |
| 1554 | return datalen; /* Value in proto field not a len, no checks possible */ |
| 1555 | |
| 1556 | protolen += hdrlen; |
| 1557 | /* consistency checks: */ |
| 1558 | if (datalen > ETH_ZLEN) { |
| 1559 | if (datalen >= protolen) { |
| 1560 | /* more data on wire than in 802 header, trim of |
| 1561 | * additional data. |
| 1562 | */ |
| 1563 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", |
| 1564 | dev->name, protolen); |
| 1565 | return protolen; |
| 1566 | } else { |
| 1567 | /* less data on wire than mentioned in header. |
| 1568 | * Discard the packet. |
| 1569 | */ |
| 1570 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding long packet.\n", |
| 1571 | dev->name); |
| 1572 | return -1; |
| 1573 | } |
| 1574 | } else { |
| 1575 | /* short packet. Accept only if 802 values are also short */ |
| 1576 | if (protolen > ETH_ZLEN) { |
| 1577 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding short packet.\n", |
| 1578 | dev->name); |
| 1579 | return -1; |
| 1580 | } |
| 1581 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", |
| 1582 | dev->name, datalen); |
| 1583 | return datalen; |
| 1584 | } |
| 1585 | } |
| 1586 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1587 | static void nv_rx_process(struct net_device *dev) |
| 1588 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1589 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1590 | u32 Flags; |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1591 | u32 vlanflags = 0; |
| 1592 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1593 | for (;;) { |
| 1594 | struct sk_buff *skb; |
| 1595 | int len; |
| 1596 | int i; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1597 | if (np->cur_rx - np->refill_rx >= np->rx_ring_size) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | break; /* we scanned the whole ring - do not continue */ |
| 1599 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1600 | i = np->cur_rx % np->rx_ring_size; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1601 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 1602 | Flags = le32_to_cpu(np->rx_ring.orig[i].FlagLen); |
| 1603 | len = nv_descr_getlength(&np->rx_ring.orig[i], np->desc_ver); |
| 1604 | } else { |
| 1605 | Flags = le32_to_cpu(np->rx_ring.ex[i].FlagLen); |
| 1606 | len = nv_descr_getlength_ex(&np->rx_ring.ex[i], np->desc_ver); |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1607 | vlanflags = le32_to_cpu(np->rx_ring.ex[i].PacketBufferLow); |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 1608 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1609 | |
| 1610 | dprintk(KERN_DEBUG "%s: nv_rx_process: looking at packet %d, Flags 0x%x.\n", |
| 1611 | dev->name, np->cur_rx, Flags); |
| 1612 | |
| 1613 | if (Flags & NV_RX_AVAIL) |
| 1614 | break; /* still owned by hardware, */ |
| 1615 | |
| 1616 | /* |
| 1617 | * the packet is for us - immediately tear down the pci mapping. |
| 1618 | * TODO: check if a prefetch of the first cacheline improves |
| 1619 | * the performance. |
| 1620 | */ |
| 1621 | pci_unmap_single(np->pci_dev, np->rx_dma[i], |
Manfred Spraul | 1836098 | 2005-12-24 14:19:24 +0100 | [diff] [blame] | 1622 | np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1623 | PCI_DMA_FROMDEVICE); |
| 1624 | |
| 1625 | { |
| 1626 | int j; |
| 1627 | dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",Flags); |
| 1628 | for (j=0; j<64; j++) { |
| 1629 | if ((j%16) == 0) |
| 1630 | dprintk("\n%03x:", j); |
| 1631 | dprintk(" %02x", ((unsigned char*)np->rx_skbuff[i]->data)[j]); |
| 1632 | } |
| 1633 | dprintk("\n"); |
| 1634 | } |
| 1635 | /* look at what we actually got: */ |
| 1636 | if (np->desc_ver == DESC_VER_1) { |
| 1637 | if (!(Flags & NV_RX_DESCRIPTORVALID)) |
| 1638 | goto next_pkt; |
| 1639 | |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 1640 | if (Flags & NV_RX_ERROR) { |
| 1641 | if (Flags & NV_RX_MISSEDFRAME) { |
| 1642 | np->stats.rx_missed_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | np->stats.rx_errors++; |
| 1644 | goto next_pkt; |
| 1645 | } |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 1646 | if (Flags & (NV_RX_ERROR1|NV_RX_ERROR2|NV_RX_ERROR3)) { |
| 1647 | np->stats.rx_errors++; |
| 1648 | goto next_pkt; |
| 1649 | } |
| 1650 | if (Flags & NV_RX_CRCERR) { |
| 1651 | np->stats.rx_crc_errors++; |
| 1652 | np->stats.rx_errors++; |
| 1653 | goto next_pkt; |
| 1654 | } |
| 1655 | if (Flags & NV_RX_OVERFLOW) { |
| 1656 | np->stats.rx_over_errors++; |
| 1657 | np->stats.rx_errors++; |
| 1658 | goto next_pkt; |
| 1659 | } |
| 1660 | if (Flags & NV_RX_ERROR4) { |
| 1661 | len = nv_getlen(dev, np->rx_skbuff[i]->data, len); |
| 1662 | if (len < 0) { |
| 1663 | np->stats.rx_errors++; |
| 1664 | goto next_pkt; |
| 1665 | } |
| 1666 | } |
| 1667 | /* framing errors are soft errors. */ |
| 1668 | if (Flags & NV_RX_FRAMINGERR) { |
| 1669 | if (Flags & NV_RX_SUBSTRACT1) { |
| 1670 | len--; |
| 1671 | } |
Manfred Spraul | 22c6d14 | 2005-04-19 21:17:09 +0200 | [diff] [blame] | 1672 | } |
| 1673 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | } else { |
| 1675 | if (!(Flags & NV_RX2_DESCRIPTORVALID)) |
| 1676 | goto next_pkt; |
| 1677 | |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 1678 | if (Flags & NV_RX2_ERROR) { |
| 1679 | if (Flags & (NV_RX2_ERROR1|NV_RX2_ERROR2|NV_RX2_ERROR3)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1680 | np->stats.rx_errors++; |
| 1681 | goto next_pkt; |
| 1682 | } |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 1683 | if (Flags & NV_RX2_CRCERR) { |
| 1684 | np->stats.rx_crc_errors++; |
| 1685 | np->stats.rx_errors++; |
| 1686 | goto next_pkt; |
| 1687 | } |
| 1688 | if (Flags & NV_RX2_OVERFLOW) { |
| 1689 | np->stats.rx_over_errors++; |
| 1690 | np->stats.rx_errors++; |
| 1691 | goto next_pkt; |
| 1692 | } |
| 1693 | if (Flags & NV_RX2_ERROR4) { |
| 1694 | len = nv_getlen(dev, np->rx_skbuff[i]->data, len); |
| 1695 | if (len < 0) { |
| 1696 | np->stats.rx_errors++; |
| 1697 | goto next_pkt; |
| 1698 | } |
| 1699 | } |
| 1700 | /* framing errors are soft errors */ |
| 1701 | if (Flags & NV_RX2_FRAMINGERR) { |
| 1702 | if (Flags & NV_RX2_SUBSTRACT1) { |
| 1703 | len--; |
| 1704 | } |
Manfred Spraul | 22c6d14 | 2005-04-19 21:17:09 +0200 | [diff] [blame] | 1705 | } |
| 1706 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1707 | Flags &= NV_RX2_CHECKSUMMASK; |
| 1708 | if (Flags == NV_RX2_CHECKSUMOK1 || |
| 1709 | Flags == NV_RX2_CHECKSUMOK2 || |
| 1710 | Flags == NV_RX2_CHECKSUMOK3) { |
| 1711 | dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name); |
| 1712 | np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY; |
| 1713 | } else { |
| 1714 | dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name); |
| 1715 | } |
| 1716 | } |
| 1717 | /* got a valid packet - forward it to the network core */ |
| 1718 | skb = np->rx_skbuff[i]; |
| 1719 | np->rx_skbuff[i] = NULL; |
| 1720 | |
| 1721 | skb_put(skb, len); |
| 1722 | skb->protocol = eth_type_trans(skb, dev); |
| 1723 | dprintk(KERN_DEBUG "%s: nv_rx_process: packet %d with %d bytes, proto %d accepted.\n", |
| 1724 | dev->name, np->cur_rx, len, skb->protocol); |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 1725 | if (np->vlangrp && (vlanflags & NV_RX3_VLAN_TAG_PRESENT)) { |
| 1726 | vlan_hwaccel_rx(skb, np->vlangrp, vlanflags & NV_RX3_VLAN_TAG_MASK); |
| 1727 | } else { |
| 1728 | netif_rx(skb); |
| 1729 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1730 | dev->last_rx = jiffies; |
| 1731 | np->stats.rx_packets++; |
| 1732 | np->stats.rx_bytes += len; |
| 1733 | next_pkt: |
| 1734 | np->cur_rx++; |
| 1735 | } |
| 1736 | } |
| 1737 | |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1738 | static void set_bufsize(struct net_device *dev) |
| 1739 | { |
| 1740 | struct fe_priv *np = netdev_priv(dev); |
| 1741 | |
| 1742 | if (dev->mtu <= ETH_DATA_LEN) |
| 1743 | np->rx_buf_sz = ETH_DATA_LEN + NV_RX_HEADERS; |
| 1744 | else |
| 1745 | np->rx_buf_sz = dev->mtu + NV_RX_HEADERS; |
| 1746 | } |
| 1747 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1748 | /* |
| 1749 | * nv_change_mtu: dev->change_mtu function |
| 1750 | * Called with dev_base_lock held for read. |
| 1751 | */ |
| 1752 | static int nv_change_mtu(struct net_device *dev, int new_mtu) |
| 1753 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1754 | struct fe_priv *np = netdev_priv(dev); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1755 | int old_mtu; |
| 1756 | |
| 1757 | if (new_mtu < 64 || new_mtu > np->pkt_limit) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1758 | return -EINVAL; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1759 | |
| 1760 | old_mtu = dev->mtu; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1761 | dev->mtu = new_mtu; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1762 | |
| 1763 | /* return early if the buffer sizes will not change */ |
| 1764 | if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) |
| 1765 | return 0; |
| 1766 | if (old_mtu == new_mtu) |
| 1767 | return 0; |
| 1768 | |
| 1769 | /* synchronized against open : rtnl_lock() held by caller */ |
| 1770 | if (netif_running(dev)) { |
viro@ftp.linux.org.uk | 25097d4 | 2005-09-06 01:36:58 +0100 | [diff] [blame] | 1771 | u8 __iomem *base = get_hwbase(dev); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1772 | /* |
| 1773 | * It seems that the nic preloads valid ring entries into an |
| 1774 | * internal buffer. The procedure for flushing everything is |
| 1775 | * guessed, there is probably a simpler approach. |
| 1776 | * Changing the MTU is a rare event, it shouldn't matter. |
| 1777 | */ |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1778 | nv_disable_irq(dev); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1779 | spin_lock_bh(&dev->xmit_lock); |
| 1780 | spin_lock(&np->lock); |
| 1781 | /* stop engines */ |
| 1782 | nv_stop_rx(dev); |
| 1783 | nv_stop_tx(dev); |
| 1784 | nv_txrx_reset(dev); |
| 1785 | /* drain rx queue */ |
| 1786 | nv_drain_rx(dev); |
| 1787 | nv_drain_tx(dev); |
| 1788 | /* reinit driver view of the rx queue */ |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1789 | set_bufsize(dev); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1790 | if (nv_init_ring(dev)) { |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1791 | if (!np->in_shutdown) |
| 1792 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
| 1793 | } |
| 1794 | /* reinit nic view of the rx queue */ |
| 1795 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 1796 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 1797 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1798 | base + NvRegRingSizes); |
| 1799 | pci_push(base); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 1800 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1801 | pci_push(base); |
| 1802 | |
| 1803 | /* restart rx engine */ |
| 1804 | nv_start_rx(dev); |
| 1805 | nv_start_tx(dev); |
| 1806 | spin_unlock(&np->lock); |
| 1807 | spin_unlock_bh(&dev->xmit_lock); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 1808 | nv_enable_irq(dev); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 1809 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1810 | return 0; |
| 1811 | } |
| 1812 | |
Manfred Spraul | 72b3178 | 2005-07-31 18:33:34 +0200 | [diff] [blame] | 1813 | static void nv_copy_mac_to_hw(struct net_device *dev) |
| 1814 | { |
viro@ftp.linux.org.uk | 25097d4 | 2005-09-06 01:36:58 +0100 | [diff] [blame] | 1815 | u8 __iomem *base = get_hwbase(dev); |
Manfred Spraul | 72b3178 | 2005-07-31 18:33:34 +0200 | [diff] [blame] | 1816 | u32 mac[2]; |
| 1817 | |
| 1818 | mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + |
| 1819 | (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); |
| 1820 | mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); |
| 1821 | |
| 1822 | writel(mac[0], base + NvRegMacAddrA); |
| 1823 | writel(mac[1], base + NvRegMacAddrB); |
| 1824 | } |
| 1825 | |
| 1826 | /* |
| 1827 | * nv_set_mac_address: dev->set_mac_address function |
| 1828 | * Called with rtnl_lock() held. |
| 1829 | */ |
| 1830 | static int nv_set_mac_address(struct net_device *dev, void *addr) |
| 1831 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1832 | struct fe_priv *np = netdev_priv(dev); |
Manfred Spraul | 72b3178 | 2005-07-31 18:33:34 +0200 | [diff] [blame] | 1833 | struct sockaddr *macaddr = (struct sockaddr*)addr; |
| 1834 | |
| 1835 | if(!is_valid_ether_addr(macaddr->sa_data)) |
| 1836 | return -EADDRNOTAVAIL; |
| 1837 | |
| 1838 | /* synchronized against open : rtnl_lock() held by caller */ |
| 1839 | memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN); |
| 1840 | |
| 1841 | if (netif_running(dev)) { |
| 1842 | spin_lock_bh(&dev->xmit_lock); |
| 1843 | spin_lock_irq(&np->lock); |
| 1844 | |
| 1845 | /* stop rx engine */ |
| 1846 | nv_stop_rx(dev); |
| 1847 | |
| 1848 | /* set mac address */ |
| 1849 | nv_copy_mac_to_hw(dev); |
| 1850 | |
| 1851 | /* restart rx engine */ |
| 1852 | nv_start_rx(dev); |
| 1853 | spin_unlock_irq(&np->lock); |
| 1854 | spin_unlock_bh(&dev->xmit_lock); |
| 1855 | } else { |
| 1856 | nv_copy_mac_to_hw(dev); |
| 1857 | } |
| 1858 | return 0; |
| 1859 | } |
| 1860 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1861 | /* |
| 1862 | * nv_set_multicast: dev->set_multicast function |
| 1863 | * Called with dev->xmit_lock held. |
| 1864 | */ |
| 1865 | static void nv_set_multicast(struct net_device *dev) |
| 1866 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1867 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1868 | u8 __iomem *base = get_hwbase(dev); |
| 1869 | u32 addr[2]; |
| 1870 | u32 mask[2]; |
| 1871 | u32 pff; |
| 1872 | |
| 1873 | memset(addr, 0, sizeof(addr)); |
| 1874 | memset(mask, 0, sizeof(mask)); |
| 1875 | |
| 1876 | if (dev->flags & IFF_PROMISC) { |
| 1877 | printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name); |
| 1878 | pff = NVREG_PFF_PROMISC; |
| 1879 | } else { |
| 1880 | pff = NVREG_PFF_MYADDR; |
| 1881 | |
| 1882 | if (dev->flags & IFF_ALLMULTI || dev->mc_list) { |
| 1883 | u32 alwaysOff[2]; |
| 1884 | u32 alwaysOn[2]; |
| 1885 | |
| 1886 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0xffffffff; |
| 1887 | if (dev->flags & IFF_ALLMULTI) { |
| 1888 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; |
| 1889 | } else { |
| 1890 | struct dev_mc_list *walk; |
| 1891 | |
| 1892 | walk = dev->mc_list; |
| 1893 | while (walk != NULL) { |
| 1894 | u32 a, b; |
| 1895 | a = le32_to_cpu(*(u32 *) walk->dmi_addr); |
| 1896 | b = le16_to_cpu(*(u16 *) (&walk->dmi_addr[4])); |
| 1897 | alwaysOn[0] &= a; |
| 1898 | alwaysOff[0] &= ~a; |
| 1899 | alwaysOn[1] &= b; |
| 1900 | alwaysOff[1] &= ~b; |
| 1901 | walk = walk->next; |
| 1902 | } |
| 1903 | } |
| 1904 | addr[0] = alwaysOn[0]; |
| 1905 | addr[1] = alwaysOn[1]; |
| 1906 | mask[0] = alwaysOn[0] | alwaysOff[0]; |
| 1907 | mask[1] = alwaysOn[1] | alwaysOff[1]; |
| 1908 | } |
| 1909 | } |
| 1910 | addr[0] |= NVREG_MCASTADDRA_FORCE; |
| 1911 | pff |= NVREG_PFF_ALWAYS; |
| 1912 | spin_lock_irq(&np->lock); |
| 1913 | nv_stop_rx(dev); |
| 1914 | writel(addr[0], base + NvRegMulticastAddrA); |
| 1915 | writel(addr[1], base + NvRegMulticastAddrB); |
| 1916 | writel(mask[0], base + NvRegMulticastMaskA); |
| 1917 | writel(mask[1], base + NvRegMulticastMaskB); |
| 1918 | writel(pff, base + NvRegPacketFilterFlags); |
| 1919 | dprintk(KERN_INFO "%s: reconfiguration for multicast lists.\n", |
| 1920 | dev->name); |
| 1921 | nv_start_rx(dev); |
| 1922 | spin_unlock_irq(&np->lock); |
| 1923 | } |
| 1924 | |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 1925 | /** |
| 1926 | * nv_update_linkspeed: Setup the MAC according to the link partner |
| 1927 | * @dev: Network device to be configured |
| 1928 | * |
| 1929 | * The function queries the PHY and checks if there is a link partner. |
| 1930 | * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is |
| 1931 | * set to 10 MBit HD. |
| 1932 | * |
| 1933 | * The function returns 0 if there is no link partner and 1 if there is |
| 1934 | * a good link partner. |
| 1935 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1936 | static int nv_update_linkspeed(struct net_device *dev) |
| 1937 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 1938 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1939 | u8 __iomem *base = get_hwbase(dev); |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 1940 | int adv = 0; |
| 1941 | int lpa = 0; |
| 1942 | int adv_lpa, adv_pause, lpa_pause; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1943 | int newls = np->linkspeed; |
| 1944 | int newdup = np->duplex; |
| 1945 | int mii_status; |
| 1946 | int retval = 0; |
| 1947 | u32 control_1000, status_1000, phyreg; |
| 1948 | |
| 1949 | /* BMSR_LSTATUS is latched, read it twice: |
| 1950 | * we want the current value. |
| 1951 | */ |
| 1952 | mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
| 1953 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); |
| 1954 | |
| 1955 | if (!(mii_status & BMSR_LSTATUS)) { |
| 1956 | dprintk(KERN_DEBUG "%s: no link detected by phy - falling back to 10HD.\n", |
| 1957 | dev->name); |
| 1958 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 1959 | newdup = 0; |
| 1960 | retval = 0; |
| 1961 | goto set_speed; |
| 1962 | } |
| 1963 | |
| 1964 | if (np->autoneg == 0) { |
| 1965 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: autoneg off, PHY set to 0x%04x.\n", |
| 1966 | dev->name, np->fixed_mode); |
| 1967 | if (np->fixed_mode & LPA_100FULL) { |
| 1968 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
| 1969 | newdup = 1; |
| 1970 | } else if (np->fixed_mode & LPA_100HALF) { |
| 1971 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
| 1972 | newdup = 0; |
| 1973 | } else if (np->fixed_mode & LPA_10FULL) { |
| 1974 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 1975 | newdup = 1; |
| 1976 | } else { |
| 1977 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 1978 | newdup = 0; |
| 1979 | } |
| 1980 | retval = 1; |
| 1981 | goto set_speed; |
| 1982 | } |
| 1983 | /* check auto negotiation is complete */ |
| 1984 | if (!(mii_status & BMSR_ANEGCOMPLETE)) { |
| 1985 | /* still in autonegotiation - configure nic for 10 MBit HD and wait. */ |
| 1986 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 1987 | newdup = 0; |
| 1988 | retval = 0; |
| 1989 | dprintk(KERN_DEBUG "%s: autoneg not completed - falling back to 10HD.\n", dev->name); |
| 1990 | goto set_speed; |
| 1991 | } |
| 1992 | |
| 1993 | retval = 1; |
| 1994 | if (np->gigabit == PHY_GIGABIT) { |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 1995 | control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
| 1996 | status_1000 = mii_rw(dev, np->phyaddr, MII_STAT1000, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1997 | |
| 1998 | if ((control_1000 & ADVERTISE_1000FULL) && |
| 1999 | (status_1000 & LPA_1000FULL)) { |
| 2000 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: GBit ethernet detected.\n", |
| 2001 | dev->name); |
| 2002 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_1000; |
| 2003 | newdup = 1; |
| 2004 | goto set_speed; |
| 2005 | } |
| 2006 | } |
| 2007 | |
| 2008 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
| 2009 | lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); |
| 2010 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", |
| 2011 | dev->name, adv, lpa); |
| 2012 | |
| 2013 | /* FIXME: handle parallel detection properly */ |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2014 | adv_lpa = lpa & adv; |
| 2015 | if (adv_lpa & LPA_100FULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2016 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
| 2017 | newdup = 1; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2018 | } else if (adv_lpa & LPA_100HALF) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2019 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
| 2020 | newdup = 0; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2021 | } else if (adv_lpa & LPA_10FULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 2023 | newdup = 1; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2024 | } else if (adv_lpa & LPA_10HALF) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2025 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 2026 | newdup = 0; |
| 2027 | } else { |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2028 | dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, adv_lpa); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2029 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 2030 | newdup = 0; |
| 2031 | } |
| 2032 | |
| 2033 | set_speed: |
| 2034 | if (np->duplex == newdup && np->linkspeed == newls) |
| 2035 | return retval; |
| 2036 | |
| 2037 | dprintk(KERN_INFO "%s: changing link setting from %d/%d to %d/%d.\n", |
| 2038 | dev->name, np->linkspeed, np->duplex, newls, newdup); |
| 2039 | |
| 2040 | np->duplex = newdup; |
| 2041 | np->linkspeed = newls; |
| 2042 | |
| 2043 | if (np->gigabit == PHY_GIGABIT) { |
| 2044 | phyreg = readl(base + NvRegRandomSeed); |
| 2045 | phyreg &= ~(0x3FF00); |
| 2046 | if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10) |
| 2047 | phyreg |= NVREG_RNDSEED_FORCE3; |
| 2048 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) |
| 2049 | phyreg |= NVREG_RNDSEED_FORCE2; |
| 2050 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) |
| 2051 | phyreg |= NVREG_RNDSEED_FORCE; |
| 2052 | writel(phyreg, base + NvRegRandomSeed); |
| 2053 | } |
| 2054 | |
| 2055 | phyreg = readl(base + NvRegPhyInterface); |
| 2056 | phyreg &= ~(PHY_HALF|PHY_100|PHY_1000); |
| 2057 | if (np->duplex == 0) |
| 2058 | phyreg |= PHY_HALF; |
| 2059 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_100) |
| 2060 | phyreg |= PHY_100; |
| 2061 | else if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) |
| 2062 | phyreg |= PHY_1000; |
| 2063 | writel(phyreg, base + NvRegPhyInterface); |
| 2064 | |
| 2065 | writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD), |
| 2066 | base + NvRegMisc1); |
| 2067 | pci_push(base); |
| 2068 | writel(np->linkspeed, base + NvRegLinkSpeed); |
| 2069 | pci_push(base); |
| 2070 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2071 | /* setup pause frame based on advertisement and link partner */ |
| 2072 | np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE); |
| 2073 | |
| 2074 | if (np->duplex != 0) { |
| 2075 | adv_pause = adv & (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM); |
| 2076 | lpa_pause = lpa & (LPA_PAUSE_CAP| LPA_PAUSE_ASYM); |
| 2077 | |
| 2078 | switch (adv_pause) { |
| 2079 | case (ADVERTISE_PAUSE_CAP): |
| 2080 | if (lpa_pause & LPA_PAUSE_CAP) { |
| 2081 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE; |
| 2082 | } |
| 2083 | break; |
| 2084 | case (ADVERTISE_PAUSE_ASYM): |
| 2085 | if (lpa_pause == (LPA_PAUSE_CAP| LPA_PAUSE_ASYM)) |
| 2086 | { |
| 2087 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; |
| 2088 | } |
| 2089 | break; |
| 2090 | case (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM): |
| 2091 | if (lpa_pause & LPA_PAUSE_CAP) |
| 2092 | { |
| 2093 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE; |
| 2094 | } |
| 2095 | if (lpa_pause == LPA_PAUSE_ASYM) |
| 2096 | { |
| 2097 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2098 | } |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2099 | break; |
| 2100 | } |
| 2101 | } |
| 2102 | |
| 2103 | if (np->pause_flags & NV_PAUSEFRAME_RX_CAPABLE) { |
| 2104 | u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX; |
| 2105 | if (np->pause_flags & NV_PAUSEFRAME_RX_ENABLE) |
| 2106 | writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags); |
| 2107 | else |
| 2108 | writel(pff, base + NvRegPacketFilterFlags); |
| 2109 | } |
| 2110 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) { |
| 2111 | u32 regmisc = readl(base + NvRegMisc1) & ~NVREG_MISC1_PAUSE_TX; |
| 2112 | if (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) { |
| 2113 | writel(NVREG_TX_PAUSEFRAME_ENABLE, base + NvRegTxPauseFrame); |
| 2114 | writel(regmisc|NVREG_MISC1_PAUSE_TX, base + NvRegMisc1); |
| 2115 | } else { |
| 2116 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2117 | writel(regmisc, base + NvRegMisc1); |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2118 | } |
| 2119 | } |
| 2120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2121 | return retval; |
| 2122 | } |
| 2123 | |
| 2124 | static void nv_linkchange(struct net_device *dev) |
| 2125 | { |
| 2126 | if (nv_update_linkspeed(dev)) { |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 2127 | if (!netif_carrier_ok(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2128 | netif_carrier_on(dev); |
| 2129 | printk(KERN_INFO "%s: link up.\n", dev->name); |
Ayaz Abdulla | 4ea7f29 | 2005-11-11 08:29:59 -0500 | [diff] [blame] | 2130 | nv_start_rx(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2131 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2132 | } else { |
| 2133 | if (netif_carrier_ok(dev)) { |
| 2134 | netif_carrier_off(dev); |
| 2135 | printk(KERN_INFO "%s: link down.\n", dev->name); |
| 2136 | nv_stop_rx(dev); |
| 2137 | } |
| 2138 | } |
| 2139 | } |
| 2140 | |
| 2141 | static void nv_link_irq(struct net_device *dev) |
| 2142 | { |
| 2143 | u8 __iomem *base = get_hwbase(dev); |
| 2144 | u32 miistat; |
| 2145 | |
| 2146 | miistat = readl(base + NvRegMIIStatus); |
| 2147 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
| 2148 | dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat); |
| 2149 | |
| 2150 | if (miistat & (NVREG_MIISTAT_LINKCHANGE)) |
| 2151 | nv_linkchange(dev); |
| 2152 | dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); |
| 2153 | } |
| 2154 | |
| 2155 | static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs) |
| 2156 | { |
| 2157 | struct net_device *dev = (struct net_device *) data; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2158 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2159 | u8 __iomem *base = get_hwbase(dev); |
| 2160 | u32 events; |
| 2161 | int i; |
| 2162 | |
| 2163 | dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name); |
| 2164 | |
| 2165 | for (i=0; ; i++) { |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2166 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
| 2167 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; |
| 2168 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
| 2169 | } else { |
| 2170 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; |
| 2171 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); |
| 2172 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2173 | pci_push(base); |
| 2174 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
| 2175 | if (!(events & np->irqmask)) |
| 2176 | break; |
| 2177 | |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 2178 | spin_lock(&np->lock); |
| 2179 | nv_tx_done(dev); |
| 2180 | spin_unlock(&np->lock); |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2181 | |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 2182 | nv_rx_process(dev); |
| 2183 | if (nv_alloc_rx(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2184 | spin_lock(&np->lock); |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 2185 | if (!np->in_shutdown) |
| 2186 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | spin_unlock(&np->lock); |
| 2188 | } |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2190 | if (events & NVREG_IRQ_LINK) { |
| 2191 | spin_lock(&np->lock); |
| 2192 | nv_link_irq(dev); |
| 2193 | spin_unlock(&np->lock); |
| 2194 | } |
| 2195 | if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { |
| 2196 | spin_lock(&np->lock); |
| 2197 | nv_linkchange(dev); |
| 2198 | spin_unlock(&np->lock); |
| 2199 | np->link_timeout = jiffies + LINK_TIMEOUT; |
| 2200 | } |
| 2201 | if (events & (NVREG_IRQ_TX_ERR)) { |
| 2202 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
| 2203 | dev->name, events); |
| 2204 | } |
| 2205 | if (events & (NVREG_IRQ_UNKNOWN)) { |
| 2206 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
| 2207 | dev->name, events); |
| 2208 | } |
| 2209 | if (i > max_interrupt_work) { |
| 2210 | spin_lock(&np->lock); |
| 2211 | /* disable interrupts on the nic */ |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2212 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) |
| 2213 | writel(0, base + NvRegIrqMask); |
| 2214 | else |
| 2215 | writel(np->irqmask, base + NvRegIrqMask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2216 | pci_push(base); |
| 2217 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2218 | if (!np->in_shutdown) { |
| 2219 | np->nic_poll_irq = np->irqmask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2220 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2221 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2222 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); |
| 2223 | spin_unlock(&np->lock); |
| 2224 | break; |
| 2225 | } |
| 2226 | |
| 2227 | } |
| 2228 | dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name); |
| 2229 | |
| 2230 | return IRQ_RETVAL(i); |
| 2231 | } |
| 2232 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2233 | static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs) |
| 2234 | { |
| 2235 | struct net_device *dev = (struct net_device *) data; |
| 2236 | struct fe_priv *np = netdev_priv(dev); |
| 2237 | u8 __iomem *base = get_hwbase(dev); |
| 2238 | u32 events; |
| 2239 | int i; |
| 2240 | |
| 2241 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx\n", dev->name); |
| 2242 | |
| 2243 | for (i=0; ; i++) { |
| 2244 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_TX_ALL; |
| 2245 | writel(NVREG_IRQ_TX_ALL, base + NvRegMSIXIrqStatus); |
| 2246 | pci_push(base); |
| 2247 | dprintk(KERN_DEBUG "%s: tx irq: %08x\n", dev->name, events); |
| 2248 | if (!(events & np->irqmask)) |
| 2249 | break; |
| 2250 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2251 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2252 | nv_tx_done(dev); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2253 | spin_unlock_irq(&np->lock); |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2254 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2255 | if (events & (NVREG_IRQ_TX_ERR)) { |
| 2256 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
| 2257 | dev->name, events); |
| 2258 | } |
| 2259 | if (i > max_interrupt_work) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2260 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2261 | /* disable interrupts on the nic */ |
| 2262 | writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask); |
| 2263 | pci_push(base); |
| 2264 | |
| 2265 | if (!np->in_shutdown) { |
| 2266 | np->nic_poll_irq |= NVREG_IRQ_TX_ALL; |
| 2267 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
| 2268 | } |
| 2269 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2270 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2271 | break; |
| 2272 | } |
| 2273 | |
| 2274 | } |
| 2275 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx completed\n", dev->name); |
| 2276 | |
| 2277 | return IRQ_RETVAL(i); |
| 2278 | } |
| 2279 | |
| 2280 | static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs) |
| 2281 | { |
| 2282 | struct net_device *dev = (struct net_device *) data; |
| 2283 | struct fe_priv *np = netdev_priv(dev); |
| 2284 | u8 __iomem *base = get_hwbase(dev); |
| 2285 | u32 events; |
| 2286 | int i; |
| 2287 | |
| 2288 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx\n", dev->name); |
| 2289 | |
| 2290 | for (i=0; ; i++) { |
| 2291 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; |
| 2292 | writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); |
| 2293 | pci_push(base); |
| 2294 | dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events); |
| 2295 | if (!(events & np->irqmask)) |
| 2296 | break; |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2297 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2298 | nv_rx_process(dev); |
| 2299 | if (nv_alloc_rx(dev)) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2300 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2301 | if (!np->in_shutdown) |
| 2302 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2303 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2304 | } |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2305 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2306 | if (i > max_interrupt_work) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2307 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2308 | /* disable interrupts on the nic */ |
| 2309 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); |
| 2310 | pci_push(base); |
| 2311 | |
| 2312 | if (!np->in_shutdown) { |
| 2313 | np->nic_poll_irq |= NVREG_IRQ_RX_ALL; |
| 2314 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
| 2315 | } |
| 2316 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2317 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2318 | break; |
| 2319 | } |
| 2320 | |
| 2321 | } |
| 2322 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx completed\n", dev->name); |
| 2323 | |
| 2324 | return IRQ_RETVAL(i); |
| 2325 | } |
| 2326 | |
| 2327 | static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs) |
| 2328 | { |
| 2329 | struct net_device *dev = (struct net_device *) data; |
| 2330 | struct fe_priv *np = netdev_priv(dev); |
| 2331 | u8 __iomem *base = get_hwbase(dev); |
| 2332 | u32 events; |
| 2333 | int i; |
| 2334 | |
| 2335 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other\n", dev->name); |
| 2336 | |
| 2337 | for (i=0; ; i++) { |
| 2338 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_OTHER; |
| 2339 | writel(NVREG_IRQ_OTHER, base + NvRegMSIXIrqStatus); |
| 2340 | pci_push(base); |
| 2341 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
| 2342 | if (!(events & np->irqmask)) |
| 2343 | break; |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2344 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2345 | if (events & NVREG_IRQ_LINK) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2346 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2347 | nv_link_irq(dev); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2348 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2349 | } |
| 2350 | if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2351 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2352 | nv_linkchange(dev); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2353 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2354 | np->link_timeout = jiffies + LINK_TIMEOUT; |
| 2355 | } |
| 2356 | if (events & (NVREG_IRQ_UNKNOWN)) { |
| 2357 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
| 2358 | dev->name, events); |
| 2359 | } |
| 2360 | if (i > max_interrupt_work) { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2361 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2362 | /* disable interrupts on the nic */ |
| 2363 | writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); |
| 2364 | pci_push(base); |
| 2365 | |
| 2366 | if (!np->in_shutdown) { |
| 2367 | np->nic_poll_irq |= NVREG_IRQ_OTHER; |
| 2368 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
| 2369 | } |
| 2370 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2371 | spin_unlock_irq(&np->lock); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2372 | break; |
| 2373 | } |
| 2374 | |
| 2375 | } |
| 2376 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other completed\n", dev->name); |
| 2377 | |
| 2378 | return IRQ_RETVAL(i); |
| 2379 | } |
| 2380 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2381 | static void nv_do_nic_poll(unsigned long data) |
| 2382 | { |
| 2383 | struct net_device *dev = (struct net_device *) data; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2384 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | u8 __iomem *base = get_hwbase(dev); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2386 | u32 mask = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2387 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2388 | /* |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2389 | * First disable irq(s) and then |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2390 | * reenable interrupts on the nic, we have to do this before calling |
| 2391 | * nv_nic_irq because that may decide to do otherwise |
| 2392 | */ |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2393 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2394 | if (!using_multi_irqs(dev)) { |
| 2395 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 2396 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 2397 | else |
| 2398 | disable_irq(dev->irq); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2399 | mask = np->irqmask; |
| 2400 | } else { |
| 2401 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { |
| 2402 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 2403 | mask |= NVREG_IRQ_RX_ALL; |
| 2404 | } |
| 2405 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { |
| 2406 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
| 2407 | mask |= NVREG_IRQ_TX_ALL; |
| 2408 | } |
| 2409 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { |
| 2410 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
| 2411 | mask |= NVREG_IRQ_OTHER; |
| 2412 | } |
| 2413 | } |
| 2414 | np->nic_poll_irq = 0; |
| 2415 | |
| 2416 | /* FIXME: Do we need synchronize_irq(dev->irq) here? */ |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 2417 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2418 | writel(mask, base + NvRegIrqMask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2419 | pci_push(base); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2420 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2421 | if (!using_multi_irqs(dev)) { |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2422 | nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2423 | if (np->msi_flags & NV_MSI_X_ENABLED) |
| 2424 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
| 2425 | else |
| 2426 | enable_irq(dev->irq); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2427 | } else { |
| 2428 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { |
| 2429 | nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL); |
| 2430 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
| 2431 | } |
| 2432 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { |
| 2433 | nv_nic_irq_tx((int) 0, (void *) data, (struct pt_regs *) NULL); |
| 2434 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
| 2435 | } |
| 2436 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { |
| 2437 | nv_nic_irq_other((int) 0, (void *) data, (struct pt_regs *) NULL); |
| 2438 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
| 2439 | } |
| 2440 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2441 | } |
| 2442 | |
Michal Schmidt | 2918c35 | 2005-05-12 19:42:06 -0400 | [diff] [blame] | 2443 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2444 | static void nv_poll_controller(struct net_device *dev) |
| 2445 | { |
| 2446 | nv_do_nic_poll((unsigned long) dev); |
| 2447 | } |
| 2448 | #endif |
| 2449 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2450 | static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 2451 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2452 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2453 | strcpy(info->driver, "forcedeth"); |
| 2454 | strcpy(info->version, FORCEDETH_VERSION); |
| 2455 | strcpy(info->bus_info, pci_name(np->pci_dev)); |
| 2456 | } |
| 2457 | |
| 2458 | static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) |
| 2459 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2460 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2461 | wolinfo->supported = WAKE_MAGIC; |
| 2462 | |
| 2463 | spin_lock_irq(&np->lock); |
| 2464 | if (np->wolenabled) |
| 2465 | wolinfo->wolopts = WAKE_MAGIC; |
| 2466 | spin_unlock_irq(&np->lock); |
| 2467 | } |
| 2468 | |
| 2469 | static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) |
| 2470 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2471 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2472 | u8 __iomem *base = get_hwbase(dev); |
| 2473 | |
| 2474 | spin_lock_irq(&np->lock); |
| 2475 | if (wolinfo->wolopts == 0) { |
| 2476 | writel(0, base + NvRegWakeUpFlags); |
| 2477 | np->wolenabled = 0; |
| 2478 | } |
| 2479 | if (wolinfo->wolopts & WAKE_MAGIC) { |
| 2480 | writel(NVREG_WAKEUPFLAGS_ENABLE, base + NvRegWakeUpFlags); |
| 2481 | np->wolenabled = 1; |
| 2482 | } |
| 2483 | spin_unlock_irq(&np->lock); |
| 2484 | return 0; |
| 2485 | } |
| 2486 | |
| 2487 | static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 2488 | { |
| 2489 | struct fe_priv *np = netdev_priv(dev); |
| 2490 | int adv; |
| 2491 | |
| 2492 | spin_lock_irq(&np->lock); |
| 2493 | ecmd->port = PORT_MII; |
| 2494 | if (!netif_running(dev)) { |
| 2495 | /* We do not track link speed / duplex setting if the |
| 2496 | * interface is disabled. Force a link check */ |
| 2497 | nv_update_linkspeed(dev); |
| 2498 | } |
| 2499 | switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { |
| 2500 | case NVREG_LINKSPEED_10: |
| 2501 | ecmd->speed = SPEED_10; |
| 2502 | break; |
| 2503 | case NVREG_LINKSPEED_100: |
| 2504 | ecmd->speed = SPEED_100; |
| 2505 | break; |
| 2506 | case NVREG_LINKSPEED_1000: |
| 2507 | ecmd->speed = SPEED_1000; |
| 2508 | break; |
| 2509 | } |
| 2510 | ecmd->duplex = DUPLEX_HALF; |
| 2511 | if (np->duplex) |
| 2512 | ecmd->duplex = DUPLEX_FULL; |
| 2513 | |
| 2514 | ecmd->autoneg = np->autoneg; |
| 2515 | |
| 2516 | ecmd->advertising = ADVERTISED_MII; |
| 2517 | if (np->autoneg) { |
| 2518 | ecmd->advertising |= ADVERTISED_Autoneg; |
| 2519 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
| 2520 | } else { |
| 2521 | adv = np->fixed_mode; |
| 2522 | } |
| 2523 | if (adv & ADVERTISE_10HALF) |
| 2524 | ecmd->advertising |= ADVERTISED_10baseT_Half; |
| 2525 | if (adv & ADVERTISE_10FULL) |
| 2526 | ecmd->advertising |= ADVERTISED_10baseT_Full; |
| 2527 | if (adv & ADVERTISE_100HALF) |
| 2528 | ecmd->advertising |= ADVERTISED_100baseT_Half; |
| 2529 | if (adv & ADVERTISE_100FULL) |
| 2530 | ecmd->advertising |= ADVERTISED_100baseT_Full; |
| 2531 | if (np->autoneg && np->gigabit == PHY_GIGABIT) { |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2532 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2533 | if (adv & ADVERTISE_1000FULL) |
| 2534 | ecmd->advertising |= ADVERTISED_1000baseT_Full; |
| 2535 | } |
| 2536 | |
| 2537 | ecmd->supported = (SUPPORTED_Autoneg | |
| 2538 | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | |
| 2539 | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | |
| 2540 | SUPPORTED_MII); |
| 2541 | if (np->gigabit == PHY_GIGABIT) |
| 2542 | ecmd->supported |= SUPPORTED_1000baseT_Full; |
| 2543 | |
| 2544 | ecmd->phy_address = np->phyaddr; |
| 2545 | ecmd->transceiver = XCVR_EXTERNAL; |
| 2546 | |
| 2547 | /* ignore maxtxpkt, maxrxpkt for now */ |
| 2548 | spin_unlock_irq(&np->lock); |
| 2549 | return 0; |
| 2550 | } |
| 2551 | |
| 2552 | static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 2553 | { |
| 2554 | struct fe_priv *np = netdev_priv(dev); |
| 2555 | |
| 2556 | if (ecmd->port != PORT_MII) |
| 2557 | return -EINVAL; |
| 2558 | if (ecmd->transceiver != XCVR_EXTERNAL) |
| 2559 | return -EINVAL; |
| 2560 | if (ecmd->phy_address != np->phyaddr) { |
| 2561 | /* TODO: support switching between multiple phys. Should be |
| 2562 | * trivial, but not enabled due to lack of test hardware. */ |
| 2563 | return -EINVAL; |
| 2564 | } |
| 2565 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 2566 | u32 mask; |
| 2567 | |
| 2568 | mask = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | |
| 2569 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; |
| 2570 | if (np->gigabit == PHY_GIGABIT) |
| 2571 | mask |= ADVERTISED_1000baseT_Full; |
| 2572 | |
| 2573 | if ((ecmd->advertising & mask) == 0) |
| 2574 | return -EINVAL; |
| 2575 | |
| 2576 | } else if (ecmd->autoneg == AUTONEG_DISABLE) { |
| 2577 | /* Note: autonegotiation disable, speed 1000 intentionally |
| 2578 | * forbidden - noone should need that. */ |
| 2579 | |
| 2580 | if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100) |
| 2581 | return -EINVAL; |
| 2582 | if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) |
| 2583 | return -EINVAL; |
| 2584 | } else { |
| 2585 | return -EINVAL; |
| 2586 | } |
| 2587 | |
| 2588 | spin_lock_irq(&np->lock); |
| 2589 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 2590 | int adv, bmcr; |
| 2591 | |
| 2592 | np->autoneg = 1; |
| 2593 | |
| 2594 | /* advertise only what has been requested */ |
| 2595 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2596 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2597 | if (ecmd->advertising & ADVERTISED_10baseT_Half) |
| 2598 | adv |= ADVERTISE_10HALF; |
| 2599 | if (ecmd->advertising & ADVERTISED_10baseT_Full) |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2600 | adv |= ADVERTISE_10FULL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2601 | if (ecmd->advertising & ADVERTISED_100baseT_Half) |
| 2602 | adv |= ADVERTISE_100HALF; |
| 2603 | if (ecmd->advertising & ADVERTISED_100baseT_Full) |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2604 | adv |= ADVERTISE_100FULL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2605 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
| 2606 | |
| 2607 | if (np->gigabit == PHY_GIGABIT) { |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2608 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2609 | adv &= ~ADVERTISE_1000FULL; |
| 2610 | if (ecmd->advertising & ADVERTISED_1000baseT_Full) |
| 2611 | adv |= ADVERTISE_1000FULL; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2612 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2613 | } |
| 2614 | |
| 2615 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 2616 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); |
| 2617 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
| 2618 | |
| 2619 | } else { |
| 2620 | int adv, bmcr; |
| 2621 | |
| 2622 | np->autoneg = 0; |
| 2623 | |
| 2624 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2625 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2626 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF) |
| 2627 | adv |= ADVERTISE_10HALF; |
| 2628 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL) |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2629 | adv |= ADVERTISE_10FULL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2630 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_HALF) |
| 2631 | adv |= ADVERTISE_100HALF; |
| 2632 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL) |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2633 | adv |= ADVERTISE_100FULL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2634 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
| 2635 | np->fixed_mode = adv; |
| 2636 | |
| 2637 | if (np->gigabit == PHY_GIGABIT) { |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2638 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2639 | adv &= ~ADVERTISE_1000FULL; |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 2640 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2641 | } |
| 2642 | |
| 2643 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 2644 | bmcr |= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_FULLDPLX); |
| 2645 | if (adv & (ADVERTISE_10FULL|ADVERTISE_100FULL)) |
| 2646 | bmcr |= BMCR_FULLDPLX; |
| 2647 | if (adv & (ADVERTISE_100HALF|ADVERTISE_100FULL)) |
| 2648 | bmcr |= BMCR_SPEED100; |
| 2649 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
| 2650 | |
| 2651 | if (netif_running(dev)) { |
| 2652 | /* Wait a bit and then reconfigure the nic. */ |
| 2653 | udelay(10); |
| 2654 | nv_linkchange(dev); |
| 2655 | } |
| 2656 | } |
| 2657 | spin_unlock_irq(&np->lock); |
| 2658 | |
| 2659 | return 0; |
| 2660 | } |
| 2661 | |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2662 | #define FORCEDETH_REGS_VER 1 |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2663 | |
| 2664 | static int nv_get_regs_len(struct net_device *dev) |
| 2665 | { |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 2666 | struct fe_priv *np = netdev_priv(dev); |
| 2667 | return np->register_size; |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2668 | } |
| 2669 | |
| 2670 | static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf) |
| 2671 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2672 | struct fe_priv *np = netdev_priv(dev); |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2673 | u8 __iomem *base = get_hwbase(dev); |
| 2674 | u32 *rbuf = buf; |
| 2675 | int i; |
| 2676 | |
| 2677 | regs->version = FORCEDETH_REGS_VER; |
| 2678 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 2679 | for (i = 0;i <= np->register_size/sizeof(u32); i++) |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2680 | rbuf[i] = readl(base + i*sizeof(u32)); |
| 2681 | spin_unlock_irq(&np->lock); |
| 2682 | } |
| 2683 | |
| 2684 | static int nv_nway_reset(struct net_device *dev) |
| 2685 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 2686 | struct fe_priv *np = netdev_priv(dev); |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2687 | int ret; |
| 2688 | |
| 2689 | spin_lock_irq(&np->lock); |
| 2690 | if (np->autoneg) { |
| 2691 | int bmcr; |
| 2692 | |
| 2693 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
| 2694 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); |
| 2695 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); |
| 2696 | |
| 2697 | ret = 0; |
| 2698 | } else { |
| 2699 | ret = -EINVAL; |
| 2700 | } |
| 2701 | spin_unlock_irq(&np->lock); |
| 2702 | |
| 2703 | return ret; |
| 2704 | } |
| 2705 | |
Zachary Amsden | 0674d59 | 2006-06-04 02:51:38 -0700 | [diff] [blame] | 2706 | static int nv_set_tso(struct net_device *dev, u32 value) |
| 2707 | { |
| 2708 | struct fe_priv *np = netdev_priv(dev); |
| 2709 | |
| 2710 | if ((np->driver_data & DEV_HAS_CHECKSUM)) |
| 2711 | return ethtool_op_set_tso(dev, value); |
| 2712 | else |
Ayaz Abdulla | 6a78814 | 2006-06-10 22:47:26 -0400 | [diff] [blame] | 2713 | return -EOPNOTSUPP; |
Zachary Amsden | 0674d59 | 2006-06-04 02:51:38 -0700 | [diff] [blame] | 2714 | } |
Zachary Amsden | 0674d59 | 2006-06-04 02:51:38 -0700 | [diff] [blame] | 2715 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 2716 | static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
| 2717 | { |
| 2718 | struct fe_priv *np = netdev_priv(dev); |
| 2719 | |
| 2720 | ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; |
| 2721 | ring->rx_mini_max_pending = 0; |
| 2722 | ring->rx_jumbo_max_pending = 0; |
| 2723 | ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; |
| 2724 | |
| 2725 | ring->rx_pending = np->rx_ring_size; |
| 2726 | ring->rx_mini_pending = 0; |
| 2727 | ring->rx_jumbo_pending = 0; |
| 2728 | ring->tx_pending = np->tx_ring_size; |
| 2729 | } |
| 2730 | |
| 2731 | static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
| 2732 | { |
| 2733 | struct fe_priv *np = netdev_priv(dev); |
| 2734 | u8 __iomem *base = get_hwbase(dev); |
| 2735 | u8 *rxtx_ring, *rx_skbuff, *tx_skbuff, *rx_dma, *tx_dma, *tx_dma_len; |
| 2736 | dma_addr_t ring_addr; |
| 2737 | |
| 2738 | if (ring->rx_pending < RX_RING_MIN || |
| 2739 | ring->tx_pending < TX_RING_MIN || |
| 2740 | ring->rx_mini_pending != 0 || |
| 2741 | ring->rx_jumbo_pending != 0 || |
| 2742 | (np->desc_ver == DESC_VER_1 && |
| 2743 | (ring->rx_pending > RING_MAX_DESC_VER_1 || |
| 2744 | ring->tx_pending > RING_MAX_DESC_VER_1)) || |
| 2745 | (np->desc_ver != DESC_VER_1 && |
| 2746 | (ring->rx_pending > RING_MAX_DESC_VER_2_3 || |
| 2747 | ring->tx_pending > RING_MAX_DESC_VER_2_3))) { |
| 2748 | return -EINVAL; |
| 2749 | } |
| 2750 | |
| 2751 | /* allocate new rings */ |
| 2752 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 2753 | rxtx_ring = pci_alloc_consistent(np->pci_dev, |
| 2754 | sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
| 2755 | &ring_addr); |
| 2756 | } else { |
| 2757 | rxtx_ring = pci_alloc_consistent(np->pci_dev, |
| 2758 | sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), |
| 2759 | &ring_addr); |
| 2760 | } |
| 2761 | rx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->rx_pending, GFP_KERNEL); |
| 2762 | rx_dma = kmalloc(sizeof(dma_addr_t) * ring->rx_pending, GFP_KERNEL); |
| 2763 | tx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->tx_pending, GFP_KERNEL); |
| 2764 | tx_dma = kmalloc(sizeof(dma_addr_t) * ring->tx_pending, GFP_KERNEL); |
| 2765 | tx_dma_len = kmalloc(sizeof(unsigned int) * ring->tx_pending, GFP_KERNEL); |
| 2766 | if (!rxtx_ring || !rx_skbuff || !rx_dma || !tx_skbuff || !tx_dma || !tx_dma_len) { |
| 2767 | /* fall back to old rings */ |
| 2768 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 2769 | if(rxtx_ring) |
| 2770 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
| 2771 | rxtx_ring, ring_addr); |
| 2772 | } else { |
| 2773 | if (rxtx_ring) |
| 2774 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), |
| 2775 | rxtx_ring, ring_addr); |
| 2776 | } |
| 2777 | if (rx_skbuff) |
| 2778 | kfree(rx_skbuff); |
| 2779 | if (rx_dma) |
| 2780 | kfree(rx_dma); |
| 2781 | if (tx_skbuff) |
| 2782 | kfree(tx_skbuff); |
| 2783 | if (tx_dma) |
| 2784 | kfree(tx_dma); |
| 2785 | if (tx_dma_len) |
| 2786 | kfree(tx_dma_len); |
| 2787 | goto exit; |
| 2788 | } |
| 2789 | |
| 2790 | if (netif_running(dev)) { |
| 2791 | nv_disable_irq(dev); |
| 2792 | spin_lock_bh(&dev->xmit_lock); |
| 2793 | spin_lock(&np->lock); |
| 2794 | /* stop engines */ |
| 2795 | nv_stop_rx(dev); |
| 2796 | nv_stop_tx(dev); |
| 2797 | nv_txrx_reset(dev); |
| 2798 | /* drain queues */ |
| 2799 | nv_drain_rx(dev); |
| 2800 | nv_drain_tx(dev); |
| 2801 | /* delete queues */ |
| 2802 | free_rings(dev); |
| 2803 | } |
| 2804 | |
| 2805 | /* set new values */ |
| 2806 | np->rx_ring_size = ring->rx_pending; |
| 2807 | np->tx_ring_size = ring->tx_pending; |
| 2808 | np->tx_limit_stop = ring->tx_pending - TX_LIMIT_DIFFERENCE; |
| 2809 | np->tx_limit_start = ring->tx_pending - TX_LIMIT_DIFFERENCE - 1; |
| 2810 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 2811 | np->rx_ring.orig = (struct ring_desc*)rxtx_ring; |
| 2812 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
| 2813 | } else { |
| 2814 | np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring; |
| 2815 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
| 2816 | } |
| 2817 | np->rx_skbuff = (struct sk_buff**)rx_skbuff; |
| 2818 | np->rx_dma = (dma_addr_t*)rx_dma; |
| 2819 | np->tx_skbuff = (struct sk_buff**)tx_skbuff; |
| 2820 | np->tx_dma = (dma_addr_t*)tx_dma; |
| 2821 | np->tx_dma_len = (unsigned int*)tx_dma_len; |
| 2822 | np->ring_addr = ring_addr; |
| 2823 | |
| 2824 | memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); |
| 2825 | memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); |
| 2826 | memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); |
| 2827 | memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); |
| 2828 | memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); |
| 2829 | |
| 2830 | if (netif_running(dev)) { |
| 2831 | /* reinit driver view of the queues */ |
| 2832 | set_bufsize(dev); |
| 2833 | if (nv_init_ring(dev)) { |
| 2834 | if (!np->in_shutdown) |
| 2835 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
| 2836 | } |
| 2837 | |
| 2838 | /* reinit nic view of the queues */ |
| 2839 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
| 2840 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
| 2841 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
| 2842 | base + NvRegRingSizes); |
| 2843 | pci_push(base); |
| 2844 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
| 2845 | pci_push(base); |
| 2846 | |
| 2847 | /* restart engines */ |
| 2848 | nv_start_rx(dev); |
| 2849 | nv_start_tx(dev); |
| 2850 | spin_unlock(&np->lock); |
| 2851 | spin_unlock_bh(&dev->xmit_lock); |
| 2852 | nv_enable_irq(dev); |
| 2853 | } |
| 2854 | return 0; |
| 2855 | exit: |
| 2856 | return -ENOMEM; |
| 2857 | } |
| 2858 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2859 | static struct ethtool_ops ops = { |
| 2860 | .get_drvinfo = nv_get_drvinfo, |
| 2861 | .get_link = ethtool_op_get_link, |
| 2862 | .get_wol = nv_get_wol, |
| 2863 | .set_wol = nv_set_wol, |
| 2864 | .get_settings = nv_get_settings, |
| 2865 | .set_settings = nv_set_settings, |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 2866 | .get_regs_len = nv_get_regs_len, |
| 2867 | .get_regs = nv_get_regs, |
| 2868 | .nway_reset = nv_nway_reset, |
John W. Linville | c704b85 | 2005-09-12 10:48:56 -0400 | [diff] [blame] | 2869 | .get_perm_addr = ethtool_op_get_perm_addr, |
Zachary Amsden | 0674d59 | 2006-06-04 02:51:38 -0700 | [diff] [blame] | 2870 | .get_tso = ethtool_op_get_tso, |
Ayaz Abdulla | 6a78814 | 2006-06-10 22:47:26 -0400 | [diff] [blame] | 2871 | .set_tso = nv_set_tso, |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 2872 | .get_ringparam = nv_get_ringparam, |
| 2873 | .set_ringparam = nv_set_ringparam, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2874 | }; |
| 2875 | |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 2876 | static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 2877 | { |
| 2878 | struct fe_priv *np = get_nvpriv(dev); |
| 2879 | |
| 2880 | spin_lock_irq(&np->lock); |
| 2881 | |
| 2882 | /* save vlan group */ |
| 2883 | np->vlangrp = grp; |
| 2884 | |
| 2885 | if (grp) { |
| 2886 | /* enable vlan on MAC */ |
| 2887 | np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; |
| 2888 | } else { |
| 2889 | /* disable vlan on MAC */ |
| 2890 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; |
| 2891 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; |
| 2892 | } |
| 2893 | |
| 2894 | writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
| 2895 | |
| 2896 | spin_unlock_irq(&np->lock); |
| 2897 | }; |
| 2898 | |
| 2899 | static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
| 2900 | { |
| 2901 | /* nothing to do */ |
| 2902 | }; |
| 2903 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 2904 | static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) |
| 2905 | { |
| 2906 | u8 __iomem *base = get_hwbase(dev); |
| 2907 | int i; |
| 2908 | u32 msixmap = 0; |
| 2909 | |
| 2910 | /* Each interrupt bit can be mapped to a MSIX vector (4 bits). |
| 2911 | * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents |
| 2912 | * the remaining 8 interrupts. |
| 2913 | */ |
| 2914 | for (i = 0; i < 8; i++) { |
| 2915 | if ((irqmask >> i) & 0x1) { |
| 2916 | msixmap |= vector << (i << 2); |
| 2917 | } |
| 2918 | } |
| 2919 | writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); |
| 2920 | |
| 2921 | msixmap = 0; |
| 2922 | for (i = 0; i < 8; i++) { |
| 2923 | if ((irqmask >> (i + 8)) & 0x1) { |
| 2924 | msixmap |= vector << (i << 2); |
| 2925 | } |
| 2926 | } |
| 2927 | writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); |
| 2928 | } |
| 2929 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 2930 | static int nv_request_irq(struct net_device *dev) |
| 2931 | { |
| 2932 | struct fe_priv *np = get_nvpriv(dev); |
| 2933 | u8 __iomem *base = get_hwbase(dev); |
| 2934 | int ret = 1; |
| 2935 | int i; |
| 2936 | |
| 2937 | if (np->msi_flags & NV_MSI_X_CAPABLE) { |
| 2938 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { |
| 2939 | np->msi_x_entry[i].entry = i; |
| 2940 | } |
| 2941 | if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { |
| 2942 | np->msi_flags |= NV_MSI_X_ENABLED; |
| 2943 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { |
| 2944 | /* Request irq for rx handling */ |
| 2945 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) { |
| 2946 | printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); |
| 2947 | pci_disable_msix(np->pci_dev); |
| 2948 | np->msi_flags &= ~NV_MSI_X_ENABLED; |
| 2949 | goto out_err; |
| 2950 | } |
| 2951 | /* Request irq for tx handling */ |
| 2952 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) { |
| 2953 | printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); |
| 2954 | pci_disable_msix(np->pci_dev); |
| 2955 | np->msi_flags &= ~NV_MSI_X_ENABLED; |
| 2956 | goto out_free_rx; |
| 2957 | } |
| 2958 | /* Request irq for link and timer handling */ |
| 2959 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) { |
| 2960 | printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); |
| 2961 | pci_disable_msix(np->pci_dev); |
| 2962 | np->msi_flags &= ~NV_MSI_X_ENABLED; |
| 2963 | goto out_free_tx; |
| 2964 | } |
| 2965 | /* map interrupts to their respective vector */ |
| 2966 | writel(0, base + NvRegMSIXMap0); |
| 2967 | writel(0, base + NvRegMSIXMap1); |
| 2968 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); |
| 2969 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); |
| 2970 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); |
| 2971 | } else { |
| 2972 | /* Request irq for all interrupts */ |
| 2973 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { |
| 2974 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
| 2975 | pci_disable_msix(np->pci_dev); |
| 2976 | np->msi_flags &= ~NV_MSI_X_ENABLED; |
| 2977 | goto out_err; |
| 2978 | } |
| 2979 | |
| 2980 | /* map interrupts to vector 0 */ |
| 2981 | writel(0, base + NvRegMSIXMap0); |
| 2982 | writel(0, base + NvRegMSIXMap1); |
| 2983 | } |
| 2984 | } |
| 2985 | } |
| 2986 | if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { |
| 2987 | if ((ret = pci_enable_msi(np->pci_dev)) == 0) { |
| 2988 | np->msi_flags |= NV_MSI_ENABLED; |
| 2989 | if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { |
| 2990 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
| 2991 | pci_disable_msi(np->pci_dev); |
| 2992 | np->msi_flags &= ~NV_MSI_ENABLED; |
| 2993 | goto out_err; |
| 2994 | } |
| 2995 | |
| 2996 | /* map interrupts to vector 0 */ |
| 2997 | writel(0, base + NvRegMSIMap0); |
| 2998 | writel(0, base + NvRegMSIMap1); |
| 2999 | /* enable msi vector 0 */ |
| 3000 | writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); |
| 3001 | } |
| 3002 | } |
| 3003 | if (ret != 0) { |
| 3004 | if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) |
| 3005 | goto out_err; |
| 3006 | } |
| 3007 | |
| 3008 | return 0; |
| 3009 | out_free_tx: |
| 3010 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); |
| 3011 | out_free_rx: |
| 3012 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); |
| 3013 | out_err: |
| 3014 | return 1; |
| 3015 | } |
| 3016 | |
| 3017 | static void nv_free_irq(struct net_device *dev) |
| 3018 | { |
| 3019 | struct fe_priv *np = get_nvpriv(dev); |
| 3020 | int i; |
| 3021 | |
| 3022 | if (np->msi_flags & NV_MSI_X_ENABLED) { |
| 3023 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { |
| 3024 | free_irq(np->msi_x_entry[i].vector, dev); |
| 3025 | } |
| 3026 | pci_disable_msix(np->pci_dev); |
| 3027 | np->msi_flags &= ~NV_MSI_X_ENABLED; |
| 3028 | } else { |
| 3029 | free_irq(np->pci_dev->irq, dev); |
| 3030 | if (np->msi_flags & NV_MSI_ENABLED) { |
| 3031 | pci_disable_msi(np->pci_dev); |
| 3032 | np->msi_flags &= ~NV_MSI_ENABLED; |
| 3033 | } |
| 3034 | } |
| 3035 | } |
| 3036 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3037 | static int nv_open(struct net_device *dev) |
| 3038 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3039 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3040 | u8 __iomem *base = get_hwbase(dev); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3041 | int ret = 1; |
| 3042 | int oom, i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3043 | |
| 3044 | dprintk(KERN_DEBUG "nv_open: begin\n"); |
| 3045 | |
| 3046 | /* 1) erase previous misconfiguration */ |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3047 | if (np->driver_data & DEV_HAS_POWER_CNTRL) |
| 3048 | nv_mac_reset(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3049 | /* 4.1-1: stop adapter: ignored, 4.3 seems to be overkill */ |
| 3050 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
| 3051 | writel(0, base + NvRegMulticastAddrB); |
| 3052 | writel(0, base + NvRegMulticastMaskA); |
| 3053 | writel(0, base + NvRegMulticastMaskB); |
| 3054 | writel(0, base + NvRegPacketFilterFlags); |
| 3055 | |
| 3056 | writel(0, base + NvRegTransmitterControl); |
| 3057 | writel(0, base + NvRegReceiverControl); |
| 3058 | |
| 3059 | writel(0, base + NvRegAdapterControl); |
| 3060 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 3061 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) |
| 3062 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); |
| 3063 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3064 | /* 2) initialize descriptor rings */ |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 3065 | set_bufsize(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3066 | oom = nv_init_ring(dev); |
| 3067 | |
| 3068 | writel(0, base + NvRegLinkSpeed); |
| 3069 | writel(0, base + NvRegUnknownTransmitterReg); |
| 3070 | nv_txrx_reset(dev); |
| 3071 | writel(0, base + NvRegUnknownSetupReg6); |
| 3072 | |
| 3073 | np->in_shutdown = 0; |
| 3074 | |
| 3075 | /* 3) set mac address */ |
Manfred Spraul | 72b3178 | 2005-07-31 18:33:34 +0200 | [diff] [blame] | 3076 | nv_copy_mac_to_hw(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3077 | |
| 3078 | /* 4) give hw rings */ |
Ayaz Abdulla | 0832b25 | 2006-02-04 13:13:26 -0500 | [diff] [blame] | 3079 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3080 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3081 | base + NvRegRingSizes); |
| 3082 | |
| 3083 | /* 5) continue setup */ |
| 3084 | writel(np->linkspeed, base + NvRegLinkSpeed); |
| 3085 | writel(NVREG_UNKSETUP3_VAL1, base + NvRegUnknownSetupReg3); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3086 | writel(np->txrxctl_bits, base + NvRegTxRxControl); |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 3087 | writel(np->vlanctl_bits, base + NvRegVlanControl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3088 | pci_push(base); |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3089 | writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3090 | reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31, |
| 3091 | NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, |
| 3092 | KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); |
| 3093 | |
| 3094 | writel(0, base + NvRegUnknownSetupReg4); |
| 3095 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
| 3096 | writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); |
| 3097 | |
| 3098 | /* 6) continue setup */ |
| 3099 | writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1); |
| 3100 | writel(readl(base + NvRegTransmitterStatus), base + NvRegTransmitterStatus); |
| 3101 | writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags); |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 3102 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3103 | |
| 3104 | writel(readl(base + NvRegReceiverStatus), base + NvRegReceiverStatus); |
| 3105 | get_random_bytes(&i, sizeof(i)); |
| 3106 | writel(NVREG_RNDSEED_FORCE | (i&NVREG_RNDSEED_MASK), base + NvRegRandomSeed); |
| 3107 | writel(NVREG_UNKSETUP1_VAL, base + NvRegUnknownSetupReg1); |
| 3108 | writel(NVREG_UNKSETUP2_VAL, base + NvRegUnknownSetupReg2); |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 3109 | if (poll_interval == -1) { |
| 3110 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) |
| 3111 | writel(NVREG_POLL_DEFAULT_THROUGHPUT, base + NvRegPollingInterval); |
| 3112 | else |
| 3113 | writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); |
| 3114 | } |
| 3115 | else |
| 3116 | writel(poll_interval & 0xFFFF, base + NvRegPollingInterval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3117 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
| 3118 | writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, |
| 3119 | base + NvRegAdapterControl); |
| 3120 | writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); |
| 3121 | writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4); |
| 3122 | writel(NVREG_WAKEUPFLAGS_VAL, base + NvRegWakeUpFlags); |
| 3123 | |
| 3124 | i = readl(base + NvRegPowerState); |
| 3125 | if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0) |
| 3126 | writel(NVREG_POWERSTATE_POWEREDUP|i, base + NvRegPowerState); |
| 3127 | |
| 3128 | pci_push(base); |
| 3129 | udelay(10); |
| 3130 | writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState); |
| 3131 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3132 | nv_disable_hw_interrupts(dev, np->irqmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3133 | pci_push(base); |
| 3134 | writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); |
| 3135 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
| 3136 | pci_push(base); |
| 3137 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3138 | if (nv_request_irq(dev)) { |
| 3139 | goto out_drain; |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3140 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3141 | |
| 3142 | /* ask for interrupts */ |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3143 | nv_enable_hw_interrupts(dev, np->irqmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3144 | |
| 3145 | spin_lock_irq(&np->lock); |
| 3146 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
| 3147 | writel(0, base + NvRegMulticastAddrB); |
| 3148 | writel(0, base + NvRegMulticastMaskA); |
| 3149 | writel(0, base + NvRegMulticastMaskB); |
| 3150 | writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); |
| 3151 | /* One manual link speed update: Interrupts are enabled, future link |
| 3152 | * speed changes cause interrupts and are handled by nv_link_irq(). |
| 3153 | */ |
| 3154 | { |
| 3155 | u32 miistat; |
| 3156 | miistat = readl(base + NvRegMIIStatus); |
| 3157 | writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); |
| 3158 | dprintk(KERN_INFO "startup: got 0x%08x.\n", miistat); |
| 3159 | } |
Manfred Spraul | 1b1b3c9 | 2005-08-06 23:47:55 +0200 | [diff] [blame] | 3160 | /* set linkspeed to invalid value, thus force nv_update_linkspeed |
| 3161 | * to init hw */ |
| 3162 | np->linkspeed = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3163 | ret = nv_update_linkspeed(dev); |
| 3164 | nv_start_rx(dev); |
| 3165 | nv_start_tx(dev); |
| 3166 | netif_start_queue(dev); |
| 3167 | if (ret) { |
| 3168 | netif_carrier_on(dev); |
| 3169 | } else { |
| 3170 | printk("%s: no link during initialization.\n", dev->name); |
| 3171 | netif_carrier_off(dev); |
| 3172 | } |
| 3173 | if (oom) |
| 3174 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); |
| 3175 | spin_unlock_irq(&np->lock); |
| 3176 | |
| 3177 | return 0; |
| 3178 | out_drain: |
| 3179 | drain_ring(dev); |
| 3180 | return ret; |
| 3181 | } |
| 3182 | |
| 3183 | static int nv_close(struct net_device *dev) |
| 3184 | { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3185 | struct fe_priv *np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3186 | u8 __iomem *base; |
| 3187 | |
| 3188 | spin_lock_irq(&np->lock); |
| 3189 | np->in_shutdown = 1; |
| 3190 | spin_unlock_irq(&np->lock); |
| 3191 | synchronize_irq(dev->irq); |
| 3192 | |
| 3193 | del_timer_sync(&np->oom_kick); |
| 3194 | del_timer_sync(&np->nic_poll); |
| 3195 | |
| 3196 | netif_stop_queue(dev); |
| 3197 | spin_lock_irq(&np->lock); |
| 3198 | nv_stop_tx(dev); |
| 3199 | nv_stop_rx(dev); |
| 3200 | nv_txrx_reset(dev); |
| 3201 | |
| 3202 | /* disable interrupts on the nic or we will lock up */ |
| 3203 | base = get_hwbase(dev); |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3204 | nv_disable_hw_interrupts(dev, np->irqmask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3205 | pci_push(base); |
| 3206 | dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name); |
| 3207 | |
| 3208 | spin_unlock_irq(&np->lock); |
| 3209 | |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3210 | nv_free_irq(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3211 | |
| 3212 | drain_ring(dev); |
| 3213 | |
| 3214 | if (np->wolenabled) |
| 3215 | nv_start_rx(dev); |
| 3216 | |
Manfred Spraul | b3df9f8 | 2005-07-31 18:38:58 +0200 | [diff] [blame] | 3217 | /* special op: write back the misordered MAC address - otherwise |
| 3218 | * the next nv_probe would see a wrong address. |
| 3219 | */ |
| 3220 | writel(np->orig_mac[0], base + NvRegMacAddrA); |
| 3221 | writel(np->orig_mac[1], base + NvRegMacAddrB); |
| 3222 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3223 | /* FIXME: power down nic */ |
| 3224 | |
| 3225 | return 0; |
| 3226 | } |
| 3227 | |
| 3228 | static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) |
| 3229 | { |
| 3230 | struct net_device *dev; |
| 3231 | struct fe_priv *np; |
| 3232 | unsigned long addr; |
| 3233 | u8 __iomem *base; |
| 3234 | int err, i; |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3235 | u32 powerstate; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3236 | |
| 3237 | dev = alloc_etherdev(sizeof(struct fe_priv)); |
| 3238 | err = -ENOMEM; |
| 3239 | if (!dev) |
| 3240 | goto out; |
| 3241 | |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3242 | np = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3243 | np->pci_dev = pci_dev; |
| 3244 | spin_lock_init(&np->lock); |
| 3245 | SET_MODULE_OWNER(dev); |
| 3246 | SET_NETDEV_DEV(dev, &pci_dev->dev); |
| 3247 | |
| 3248 | init_timer(&np->oom_kick); |
| 3249 | np->oom_kick.data = (unsigned long) dev; |
| 3250 | np->oom_kick.function = &nv_do_rx_refill; /* timer handler */ |
| 3251 | init_timer(&np->nic_poll); |
| 3252 | np->nic_poll.data = (unsigned long) dev; |
| 3253 | np->nic_poll.function = &nv_do_nic_poll; /* timer handler */ |
| 3254 | |
| 3255 | err = pci_enable_device(pci_dev); |
| 3256 | if (err) { |
| 3257 | printk(KERN_INFO "forcedeth: pci_enable_dev failed (%d) for device %s\n", |
| 3258 | err, pci_name(pci_dev)); |
| 3259 | goto out_free; |
| 3260 | } |
| 3261 | |
| 3262 | pci_set_master(pci_dev); |
| 3263 | |
| 3264 | err = pci_request_regions(pci_dev, DRV_NAME); |
| 3265 | if (err < 0) |
| 3266 | goto out_disable; |
| 3267 | |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3268 | if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL)) |
| 3269 | np->register_size = NV_PCI_REGSZ_VER2; |
| 3270 | else |
| 3271 | np->register_size = NV_PCI_REGSZ_VER1; |
| 3272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3273 | err = -EINVAL; |
| 3274 | addr = 0; |
| 3275 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { |
| 3276 | dprintk(KERN_DEBUG "%s: resource %d start %p len %ld flags 0x%08lx.\n", |
| 3277 | pci_name(pci_dev), i, (void*)pci_resource_start(pci_dev, i), |
| 3278 | pci_resource_len(pci_dev, i), |
| 3279 | pci_resource_flags(pci_dev, i)); |
| 3280 | if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM && |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3281 | pci_resource_len(pci_dev, i) >= np->register_size) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3282 | addr = pci_resource_start(pci_dev, i); |
| 3283 | break; |
| 3284 | } |
| 3285 | } |
| 3286 | if (i == DEVICE_COUNT_RESOURCE) { |
| 3287 | printk(KERN_INFO "forcedeth: Couldn't find register window for device %s.\n", |
| 3288 | pci_name(pci_dev)); |
| 3289 | goto out_relreg; |
| 3290 | } |
| 3291 | |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3292 | /* copy of driver data */ |
| 3293 | np->driver_data = id->driver_data; |
| 3294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3295 | /* handle different descriptor versions */ |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3296 | if (id->driver_data & DEV_HAS_HIGH_DMA) { |
| 3297 | /* packet format 3: supports 40-bit addressing */ |
| 3298 | np->desc_ver = DESC_VER_3; |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3299 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 3300 | if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3301 | printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", |
| 3302 | pci_name(pci_dev)); |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3303 | } else { |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3304 | dev->features |= NETIF_F_HIGHDMA; |
| 3305 | printk(KERN_INFO "forcedeth: using HIGHDMA\n"); |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3306 | } |
Ayaz Abdulla | 84b3932 | 2006-05-20 14:59:48 -0700 | [diff] [blame] | 3307 | if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) { |
| 3308 | printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n", |
| 3309 | pci_name(pci_dev)); |
| 3310 | } |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3311 | } else if (id->driver_data & DEV_HAS_LARGEDESC) { |
| 3312 | /* packet format 2: supports jumbo frames */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3313 | np->desc_ver = DESC_VER_2; |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3314 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_2; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3315 | } else { |
| 3316 | /* original packet format */ |
| 3317 | np->desc_ver = DESC_VER_1; |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3318 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_1; |
Manfred Spraul | d81c098 | 2005-07-31 18:20:30 +0200 | [diff] [blame] | 3319 | } |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3320 | |
| 3321 | np->pkt_limit = NV_PKTLIMIT_1; |
| 3322 | if (id->driver_data & DEV_HAS_LARGEDESC) |
| 3323 | np->pkt_limit = NV_PKTLIMIT_2; |
| 3324 | |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3325 | if (id->driver_data & DEV_HAS_CHECKSUM) { |
| 3326 | np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3327 | dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; |
| 3328 | #ifdef NETIF_F_TSO |
Ayaz Abdulla | fa45459 | 2006-01-05 22:45:45 -0800 | [diff] [blame] | 3329 | dev->features |= NETIF_F_TSO; |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3330 | #endif |
| 3331 | } |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3332 | |
Ayaz Abdulla | ee407b0 | 2006-02-04 13:13:17 -0500 | [diff] [blame] | 3333 | np->vlanctl_bits = 0; |
| 3334 | if (id->driver_data & DEV_HAS_VLAN) { |
| 3335 | np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE; |
| 3336 | dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; |
| 3337 | dev->vlan_rx_register = nv_vlan_rx_register; |
| 3338 | dev->vlan_rx_kill_vid = nv_vlan_rx_kill_vid; |
| 3339 | } |
| 3340 | |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3341 | np->msi_flags = 0; |
| 3342 | if ((id->driver_data & DEV_HAS_MSI) && !disable_msi) { |
| 3343 | np->msi_flags |= NV_MSI_CAPABLE; |
| 3344 | } |
| 3345 | if ((id->driver_data & DEV_HAS_MSI_X) && !disable_msix) { |
| 3346 | np->msi_flags |= NV_MSI_X_CAPABLE; |
| 3347 | } |
| 3348 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 3349 | np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE; |
| 3350 | if (id->driver_data & DEV_HAS_PAUSEFRAME_TX) { |
| 3351 | np->pause_flags |= NV_PAUSEFRAME_TX_CAPABLE; |
| 3352 | } |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 3353 | |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 3354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3355 | err = -ENOMEM; |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3356 | np->base = ioremap(addr, np->register_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3357 | if (!np->base) |
| 3358 | goto out_relreg; |
| 3359 | dev->base_addr = (unsigned long)np->base; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3360 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3361 | dev->irq = pci_dev->irq; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3362 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3363 | np->rx_ring_size = RX_RING_DEFAULT; |
| 3364 | np->tx_ring_size = TX_RING_DEFAULT; |
| 3365 | np->tx_limit_stop = np->tx_ring_size - TX_LIMIT_DIFFERENCE; |
| 3366 | np->tx_limit_start = np->tx_ring_size - TX_LIMIT_DIFFERENCE - 1; |
| 3367 | |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3368 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
| 3369 | np->rx_ring.orig = pci_alloc_consistent(pci_dev, |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3370 | sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3371 | &np->ring_addr); |
| 3372 | if (!np->rx_ring.orig) |
| 3373 | goto out_unmap; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3374 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3375 | } else { |
| 3376 | np->rx_ring.ex = pci_alloc_consistent(pci_dev, |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3377 | sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3378 | &np->ring_addr); |
| 3379 | if (!np->rx_ring.ex) |
| 3380 | goto out_unmap; |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3381 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
Manfred Spraul | ee73362 | 2005-07-31 18:32:26 +0200 | [diff] [blame] | 3382 | } |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3383 | np->rx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->rx_ring_size, GFP_KERNEL); |
| 3384 | np->rx_dma = kmalloc(sizeof(dma_addr_t) * np->rx_ring_size, GFP_KERNEL); |
| 3385 | np->tx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->tx_ring_size, GFP_KERNEL); |
| 3386 | np->tx_dma = kmalloc(sizeof(dma_addr_t) * np->tx_ring_size, GFP_KERNEL); |
| 3387 | np->tx_dma_len = kmalloc(sizeof(unsigned int) * np->tx_ring_size, GFP_KERNEL); |
| 3388 | if (!np->rx_skbuff || !np->rx_dma || !np->tx_skbuff || !np->tx_dma || !np->tx_dma_len) |
| 3389 | goto out_freering; |
| 3390 | memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); |
| 3391 | memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); |
| 3392 | memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); |
| 3393 | memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); |
| 3394 | memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3395 | |
| 3396 | dev->open = nv_open; |
| 3397 | dev->stop = nv_close; |
| 3398 | dev->hard_start_xmit = nv_start_xmit; |
| 3399 | dev->get_stats = nv_get_stats; |
| 3400 | dev->change_mtu = nv_change_mtu; |
Manfred Spraul | 72b3178 | 2005-07-31 18:33:34 +0200 | [diff] [blame] | 3401 | dev->set_mac_address = nv_set_mac_address; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3402 | dev->set_multicast_list = nv_set_multicast; |
Michal Schmidt | 2918c35 | 2005-05-12 19:42:06 -0400 | [diff] [blame] | 3403 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3404 | dev->poll_controller = nv_poll_controller; |
| 3405 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3406 | SET_ETHTOOL_OPS(dev, &ops); |
| 3407 | dev->tx_timeout = nv_tx_timeout; |
| 3408 | dev->watchdog_timeo = NV_WATCHDOG_TIMEO; |
| 3409 | |
| 3410 | pci_set_drvdata(pci_dev, dev); |
| 3411 | |
| 3412 | /* read the mac address */ |
| 3413 | base = get_hwbase(dev); |
| 3414 | np->orig_mac[0] = readl(base + NvRegMacAddrA); |
| 3415 | np->orig_mac[1] = readl(base + NvRegMacAddrB); |
| 3416 | |
| 3417 | dev->dev_addr[0] = (np->orig_mac[1] >> 8) & 0xff; |
| 3418 | dev->dev_addr[1] = (np->orig_mac[1] >> 0) & 0xff; |
| 3419 | dev->dev_addr[2] = (np->orig_mac[0] >> 24) & 0xff; |
| 3420 | dev->dev_addr[3] = (np->orig_mac[0] >> 16) & 0xff; |
| 3421 | dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; |
| 3422 | dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; |
John W. Linville | c704b85 | 2005-09-12 10:48:56 -0400 | [diff] [blame] | 3423 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3424 | |
John W. Linville | c704b85 | 2005-09-12 10:48:56 -0400 | [diff] [blame] | 3425 | if (!is_valid_ether_addr(dev->perm_addr)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3426 | /* |
| 3427 | * Bad mac address. At least one bios sets the mac address |
| 3428 | * to 01:23:45:67:89:ab |
| 3429 | */ |
| 3430 | printk(KERN_ERR "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n", |
| 3431 | pci_name(pci_dev), |
| 3432 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
| 3433 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
| 3434 | printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n"); |
| 3435 | dev->dev_addr[0] = 0x00; |
| 3436 | dev->dev_addr[1] = 0x00; |
| 3437 | dev->dev_addr[2] = 0x6c; |
| 3438 | get_random_bytes(&dev->dev_addr[3], 3); |
| 3439 | } |
| 3440 | |
| 3441 | dprintk(KERN_DEBUG "%s: MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", pci_name(pci_dev), |
| 3442 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
| 3443 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
| 3444 | |
| 3445 | /* disable WOL */ |
| 3446 | writel(0, base + NvRegWakeUpFlags); |
| 3447 | np->wolenabled = 0; |
| 3448 | |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3449 | if (id->driver_data & DEV_HAS_POWER_CNTRL) { |
| 3450 | u8 revision_id; |
| 3451 | pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id); |
| 3452 | |
| 3453 | /* take phy and nic out of low power mode */ |
| 3454 | powerstate = readl(base + NvRegPowerState2); |
| 3455 | powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK; |
| 3456 | if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 || |
| 3457 | id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) && |
| 3458 | revision_id >= 0xA3) |
| 3459 | powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3; |
| 3460 | writel(powerstate, base + NvRegPowerState2); |
| 3461 | } |
| 3462 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3463 | if (np->desc_ver == DESC_VER_1) { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3464 | np->tx_flags = NV_TX_VALID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3465 | } else { |
Ayaz Abdulla | ac9c189 | 2005-10-26 00:51:24 -0400 | [diff] [blame] | 3466 | np->tx_flags = NV_TX2_VALID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3467 | } |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3468 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 3469 | np->irqmask = NVREG_IRQMASK_THROUGHPUT; |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3470 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
| 3471 | np->msi_flags |= 0x0003; |
| 3472 | } else { |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 3473 | np->irqmask = NVREG_IRQMASK_CPU; |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3474 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
| 3475 | np->msi_flags |= 0x0001; |
| 3476 | } |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 3477 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3478 | if (id->driver_data & DEV_NEED_TIMERIRQ) |
| 3479 | np->irqmask |= NVREG_IRQ_TIMER; |
| 3480 | if (id->driver_data & DEV_NEED_LINKTIMER) { |
| 3481 | dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev)); |
| 3482 | np->need_linktimer = 1; |
| 3483 | np->link_timeout = jiffies + LINK_TIMEOUT; |
| 3484 | } else { |
| 3485 | dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev)); |
| 3486 | np->need_linktimer = 0; |
| 3487 | } |
| 3488 | |
| 3489 | /* find a suitable phy */ |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3490 | for (i = 1; i <= 32; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3491 | int id1, id2; |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3492 | int phyaddr = i & 0x1F; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3493 | |
| 3494 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3495 | id1 = mii_rw(dev, phyaddr, MII_PHYSID1, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3496 | spin_unlock_irq(&np->lock); |
| 3497 | if (id1 < 0 || id1 == 0xffff) |
| 3498 | continue; |
| 3499 | spin_lock_irq(&np->lock); |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3500 | id2 = mii_rw(dev, phyaddr, MII_PHYSID2, MII_READ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3501 | spin_unlock_irq(&np->lock); |
| 3502 | if (id2 < 0 || id2 == 0xffff) |
| 3503 | continue; |
| 3504 | |
| 3505 | id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; |
| 3506 | id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; |
| 3507 | dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n", |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3508 | pci_name(pci_dev), id1, id2, phyaddr); |
| 3509 | np->phyaddr = phyaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3510 | np->phy_oui = id1 | id2; |
| 3511 | break; |
| 3512 | } |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3513 | if (i == 33) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3514 | printk(KERN_INFO "%s: open: Could not find a valid PHY.\n", |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3515 | pci_name(pci_dev)); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3516 | goto out_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3517 | } |
Jeff Garzik | f3b197a | 2006-05-26 21:39:03 -0400 | [diff] [blame] | 3518 | |
Ayaz Abdulla | 7a33e45 | 2005-11-11 08:31:11 -0500 | [diff] [blame] | 3519 | /* reset it */ |
| 3520 | phy_init(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3521 | |
| 3522 | /* set default link speed settings */ |
| 3523 | np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
| 3524 | np->duplex = 0; |
| 3525 | np->autoneg = 1; |
| 3526 | |
| 3527 | err = register_netdev(dev); |
| 3528 | if (err) { |
| 3529 | printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3530 | goto out_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3531 | } |
| 3532 | printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n", |
| 3533 | dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device, |
| 3534 | pci_name(pci_dev)); |
| 3535 | |
| 3536 | return 0; |
| 3537 | |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3538 | out_error: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3539 | pci_set_drvdata(pci_dev, NULL); |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3540 | out_freering: |
| 3541 | free_rings(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3542 | out_unmap: |
| 3543 | iounmap(get_hwbase(dev)); |
| 3544 | out_relreg: |
| 3545 | pci_release_regions(pci_dev); |
| 3546 | out_disable: |
| 3547 | pci_disable_device(pci_dev); |
| 3548 | out_free: |
| 3549 | free_netdev(dev); |
| 3550 | out: |
| 3551 | return err; |
| 3552 | } |
| 3553 | |
| 3554 | static void __devexit nv_remove(struct pci_dev *pci_dev) |
| 3555 | { |
| 3556 | struct net_device *dev = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3557 | |
| 3558 | unregister_netdev(dev); |
| 3559 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3560 | /* free all structures */ |
Ayaz Abdulla | eafa59f | 2006-06-10 22:47:34 -0400 | [diff] [blame^] | 3561 | free_rings(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3562 | iounmap(get_hwbase(dev)); |
| 3563 | pci_release_regions(pci_dev); |
| 3564 | pci_disable_device(pci_dev); |
| 3565 | free_netdev(dev); |
| 3566 | pci_set_drvdata(pci_dev, NULL); |
| 3567 | } |
| 3568 | |
| 3569 | static struct pci_device_id pci_tbl[] = { |
| 3570 | { /* nForce Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3571 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_1), |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 3572 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3573 | }, |
| 3574 | { /* nForce2 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3575 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_2), |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 3576 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3577 | }, |
| 3578 | { /* nForce3 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3579 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_3), |
Manfred Spraul | c2dba06 | 2005-07-31 18:29:47 +0200 | [diff] [blame] | 3580 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3581 | }, |
| 3582 | { /* nForce3 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3583 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_4), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3584 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3585 | }, |
| 3586 | { /* nForce3 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3587 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_5), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3588 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3589 | }, |
| 3590 | { /* nForce3 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3591 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_6), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3592 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3593 | }, |
| 3594 | { /* nForce3 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3595 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_7), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3596 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3597 | }, |
| 3598 | { /* CK804 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3599 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3600 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3601 | }, |
| 3602 | { /* CK804 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3603 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3604 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3605 | }, |
| 3606 | { /* MCP04 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3607 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3608 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3609 | }, |
| 3610 | { /* MCP04 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3611 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11), |
Manfred Spraul | 8a4ae7f | 2005-09-21 23:22:10 -0400 | [diff] [blame] | 3612 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3613 | }, |
| 3614 | { /* MCP51 Ethernet Controller */ |
| 3615 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12), |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3616 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3617 | }, |
Manfred Spraul | 9992d4a | 2005-06-05 17:36:11 +0200 | [diff] [blame] | 3618 | { /* MCP51 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3619 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13), |
Ayaz Abdulla | 86a0f04 | 2006-04-24 18:41:31 -0400 | [diff] [blame] | 3620 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL, |
Manfred Spraul | 9992d4a | 2005-06-05 17:36:11 +0200 | [diff] [blame] | 3621 | }, |
Manfred Spraul | f49d16e | 2005-06-26 11:36:52 +0200 | [diff] [blame] | 3622 | { /* MCP55 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3623 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 3624 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX, |
Manfred Spraul | f49d16e | 2005-06-26 11:36:52 +0200 | [diff] [blame] | 3625 | }, |
| 3626 | { /* MCP55 Ethernet Controller */ |
Manfred Spraul | dc8216c | 2005-07-31 18:26:05 +0200 | [diff] [blame] | 3627 | PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), |
Ayaz Abdulla | eb91f61 | 2006-05-24 18:13:19 -0400 | [diff] [blame] | 3628 | .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX, |
Manfred Spraul | f49d16e | 2005-06-26 11:36:52 +0200 | [diff] [blame] | 3629 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3630 | {0,}, |
| 3631 | }; |
| 3632 | |
| 3633 | static struct pci_driver driver = { |
| 3634 | .name = "forcedeth", |
| 3635 | .id_table = pci_tbl, |
| 3636 | .probe = nv_probe, |
| 3637 | .remove = __devexit_p(nv_remove), |
| 3638 | }; |
| 3639 | |
| 3640 | |
| 3641 | static int __init init_nic(void) |
| 3642 | { |
| 3643 | printk(KERN_INFO "forcedeth.c: Reverse Engineered nForce ethernet driver. Version %s.\n", FORCEDETH_VERSION); |
| 3644 | return pci_module_init(&driver); |
| 3645 | } |
| 3646 | |
| 3647 | static void __exit exit_nic(void) |
| 3648 | { |
| 3649 | pci_unregister_driver(&driver); |
| 3650 | } |
| 3651 | |
| 3652 | module_param(max_interrupt_work, int, 0); |
| 3653 | MODULE_PARM_DESC(max_interrupt_work, "forcedeth maximum events handled per interrupt"); |
Ayaz Abdulla | a971c32 | 2005-11-11 08:30:38 -0500 | [diff] [blame] | 3654 | module_param(optimization_mode, int, 0); |
| 3655 | MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer."); |
| 3656 | module_param(poll_interval, int, 0); |
| 3657 | MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535."); |
Ayaz Abdulla | d33a73c8 | 2006-02-04 13:13:31 -0500 | [diff] [blame] | 3658 | module_param(disable_msi, int, 0); |
| 3659 | MODULE_PARM_DESC(disable_msi, "Disable MSI interrupts by setting to 1."); |
| 3660 | module_param(disable_msix, int, 0); |
| 3661 | MODULE_PARM_DESC(disable_msix, "Disable MSIX interrupts by setting to 1."); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3662 | |
| 3663 | MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); |
| 3664 | MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); |
| 3665 | MODULE_LICENSE("GPL"); |
| 3666 | |
| 3667 | MODULE_DEVICE_TABLE(pci, pci_tbl); |
| 3668 | |
| 3669 | module_init(init_nic); |
| 3670 | module_exit(exit_nic); |