1 /**************************************************************************
3 * Copyright 2000-2006 Alacritech, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
16 * Alternatively, this software may be distributed under the terms of the
17 * GNU General Public License ("GPL") version 2 as published by the Free
18 * Software Foundation.
20 * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
27 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * The views and conclusions contained in the software and documentation
34 * are those of the authors and should not be interpreted as representing
35 * official policies, either expressed or implied, of Alacritech, Inc.
37 **************************************************************************/
42 * The SLICOSS driver for Alacritech's IS-NIC products.
44 * This driver is supposed to support:
46 * Mojave cards (single port PCI Gigabit) both copper and fiber
47 * Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
48 * Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
50 * The driver was actually tested on Oasis and Kalahari cards.
53 * NOTE: This is the standard, non-accelerated version of Alacritech's
57 #define KLUDGE_FOR_4GB_BOUNDARY 1
58 #define DEBUG_MICROCODE 1
60 #define SLIC_INTERRUPT_PROCESS_LIMIT 1
61 #define SLIC_OFFLOAD_IP_CHECKSUM 1
62 #define STATS_TIMER_INTERVAL 2
63 #define PING_TIMER_INTERVAL 1
64 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
66 #include <linux/kernel.h>
67 #include <linux/string.h>
68 #include <linux/errno.h>
69 #include <linux/ioport.h>
70 #include <linux/slab.h>
71 #include <linux/interrupt.h>
72 #include <linux/timer.h>
73 #include <linux/pci.h>
74 #include <linux/spinlock.h>
75 #include <linux/init.h>
76 #include <linux/bitops.h>
78 #include <linux/netdevice.h>
79 #include <linux/crc32.h>
80 #include <linux/etherdevice.h>
81 #include <linux/skbuff.h>
82 #include <linux/delay.h>
83 #include <linux/seq_file.h>
84 #include <linux/kthread.h>
85 #include <linux/module.h>
87 #include <linux/firmware.h>
88 #include <linux/types.h>
89 #include <linux/dma-mapping.h>
90 #include <linux/mii.h>
91 #include <linux/if_vlan.h>
92 #include <asm/unaligned.h>
94 #include <linux/ethtool.h>
95 #include <linux/uaccess.h>
99 static uint slic_first_init = 1;
100 static char *slic_banner = "Alacritech SLIC Technology(tm) Server and Storage Accelerator (Non-Accelerated)";
102 static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00";
104 static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
105 static int intagg_delay = 100;
106 static u32 dynamic_intagg;
107 static unsigned int rcv_count;
109 #define DRV_NAME "slicoss"
110 #define DRV_VERSION "2.0.1"
111 #define DRV_AUTHOR "Alacritech, Inc. Engineering"
112 #define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\
113 "Non-Accelerated Driver"
114 #define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\
115 "All rights reserved."
116 #define PFX DRV_NAME " "
118 MODULE_AUTHOR(DRV_AUTHOR);
119 MODULE_DESCRIPTION(DRV_DESCRIPTION);
120 MODULE_LICENSE("Dual BSD/GPL");
122 module_param(dynamic_intagg, int, 0);
123 MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
124 module_param(intagg_delay, int, 0);
125 MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
127 static const struct pci_device_id slic_pci_tbl[] = {
128 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) },
129 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) },
133 MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
135 static inline void slic_reg32_write(void __iomem *reg, u32 value, bool flush)
142 static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg,
143 u32 value, void __iomem *regh, u32 paddrh,
148 spin_lock_irqsave(&adapter->bit64reglock, flags);
149 writel(paddrh, regh);
153 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
156 static void slic_mcast_set_bit(struct adapter *adapter, char *address)
158 unsigned char crcpoly;
160 /* Get the CRC polynomial for the mac address */
162 * we use bits 1-8 (lsb), bitwise reversed,
163 * msb (= lsb bit 0 before bitrev) is automatically discarded
165 crcpoly = ether_crc(ETH_ALEN, address) >> 23;
168 * We only have space on the SLIC for 64 entries. Lop
169 * off the top two bits. (2^6 = 64)
173 /* OR in the new bit into our 64 bit mask. */
174 adapter->mcastmask |= (u64)1 << crcpoly;
177 static void slic_mcast_set_mask(struct adapter *adapter)
179 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
181 if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) {
183 * Turn on all multicast addresses. We have to do this for
184 * promiscuous mode as well as ALLMCAST mode. It saves the
185 * Microcode from having to keep state about the MAC
188 slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH);
189 slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF,
193 * Commit our multicast mast to the SLIC by writing to the
194 * multicast address mask registers
196 slic_reg32_write(&slic_regs->slic_mcastlow,
197 (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH);
198 slic_reg32_write(&slic_regs->slic_mcasthigh,
199 (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH);
203 static void slic_timer_ping(ulong dev)
205 struct adapter *adapter;
206 struct sliccard *card;
208 adapter = netdev_priv((struct net_device *)dev);
209 card = adapter->card;
211 adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ);
212 add_timer(&adapter->pingtimer);
215 static void slic_unmap_mmio_space(struct adapter *adapter)
217 if (adapter->slic_regs)
218 iounmap(adapter->slic_regs);
219 adapter->slic_regs = NULL;
225 * Write phy control to configure link duplex/speed
228 static void slic_link_config(struct adapter *adapter,
229 u32 linkspeed, u32 linkduplex)
238 if (adapter->state != ADAPT_UP)
241 if (linkspeed > LINK_1000MB)
242 linkspeed = LINK_AUTOSPEED;
243 if (linkduplex > LINK_AUTOD)
244 linkduplex = LINK_AUTOD;
246 wphy = &adapter->slic_regs->slic_wphy;
248 if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) {
249 if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) {
251 * We've got a fiber gigabit interface, and register
252 * 4 is different in fiber mode than in copper mode
255 /* advertise FD only @1000 Mb */
256 phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD));
257 /* enable PAUSE frames */
258 phy_advreg |= PAR_ASYMPAUSE_FIBER;
259 slic_reg32_write(wphy, phy_advreg, FLUSH);
261 if (linkspeed == LINK_AUTOSPEED) {
262 /* reset phy, enable auto-neg */
265 (PCR_RESET | PCR_AUTONEG |
267 slic_reg32_write(wphy, phy_config, FLUSH);
268 } else { /* forced 1000 Mb FD*/
270 * power down phy to break link
273 phy_config = (MIICR_REG_PCR | PCR_POWERDOWN);
274 slic_reg32_write(wphy, phy_config, FLUSH);
276 * wait, Marvell says 1 sec,
277 * try to get away with 10 ms
282 * disable auto-neg, set speed/duplex,
283 * soft reset phy, powerup
287 (PCR_RESET | PCR_SPEED_1000 |
289 slic_reg32_write(wphy, phy_config, FLUSH);
291 } else { /* copper gigabit */
294 * Auto-Negotiate or 1000 Mb must be auto negotiated
295 * We've got a copper gigabit interface, and
296 * register 4 is different in copper mode than
299 if (linkspeed == LINK_AUTOSPEED) {
300 /* advertise 10/100 Mb modes */
303 (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD
307 * linkspeed == LINK_1000MB -
308 * don't advertise 10/100 Mb modes
310 phy_advreg = MIICR_REG_4;
312 /* enable PAUSE frames */
313 phy_advreg |= PAR_ASYMPAUSE;
314 /* required by the Cicada PHY */
315 phy_advreg |= PAR_802_3;
316 slic_reg32_write(wphy, phy_advreg, FLUSH);
317 /* advertise FD only @1000 Mb */
318 phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD));
319 slic_reg32_write(wphy, phy_gctlreg, FLUSH);
321 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
324 * enable auto crossover
327 (MIICR_REG_16 | (MRV_REG16_XOVERON));
328 slic_reg32_write(wphy, phy_config, FLUSH);
330 /* reset phy, enable auto-neg */
333 (PCR_RESET | PCR_AUTONEG |
335 slic_reg32_write(wphy, phy_config, FLUSH);
336 } else { /* it's a Cicada PHY */
337 /* enable and restart auto-neg (don't reset) */
340 (PCR_AUTONEG | PCR_AUTONEG_RST));
341 slic_reg32_write(wphy, phy_config, FLUSH);
346 if (linkspeed == LINK_10MB)
349 speed = PCR_SPEED_100;
350 if (linkduplex == LINK_HALFD)
353 duplex = PCR_DUPLEX_FULL;
355 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
358 * disable auto crossover
360 phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF));
361 slic_reg32_write(wphy, phy_config, FLUSH);
364 /* power down phy to break link (this may not work) */
365 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex));
366 slic_reg32_write(wphy, phy_config, FLUSH);
368 /* wait, Marvell says 1 sec, try to get away with 10 ms */
371 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
374 * disable auto-neg, set speed,
375 * soft reset phy, powerup
378 (MIICR_REG_PCR | (PCR_RESET | speed | duplex));
379 slic_reg32_write(wphy, phy_config, FLUSH);
380 } else { /* it's a Cicada PHY */
381 /* disable auto-neg, set speed, powerup */
382 phy_config = (MIICR_REG_PCR | (speed | duplex));
383 slic_reg32_write(wphy, phy_config, FLUSH);
388 static int slic_card_download_gbrcv(struct adapter *adapter)
390 const struct firmware *fw;
391 const char *file = "";
393 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
399 switch (adapter->devid) {
400 case SLIC_2GB_DEVICE_ID:
401 file = "/*(DEBLOBBED)*/";
403 case SLIC_1GB_DEVICE_ID:
404 file = "/*(DEBLOBBED)*/";
410 ret = reject_firmware(&fw, file, &adapter->pcidev->dev);
412 dev_err(&adapter->pcidev->dev,
413 "Failed to load firmware %s\n", file);
417 rcvucodelen = *(u32 *)(fw->data + index);
419 switch (adapter->devid) {
420 case SLIC_2GB_DEVICE_ID:
421 if (rcvucodelen != OasisRcvUCodeLen) {
422 release_firmware(fw);
426 case SLIC_1GB_DEVICE_ID:
427 if (rcvucodelen != GBRcvUCodeLen) {
428 release_firmware(fw);
434 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH);
435 /* download the rcv sequencer ucode */
436 for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) {
437 /* write out instruction address */
438 slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH);
440 instruction = *(u32 *)(fw->data + index);
442 /* write out the instruction data low addr */
443 slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH);
445 instruction = *(u8 *)(fw->data + index);
447 /* write out the instruction data high addr */
448 slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction,
452 /* download finished */
453 release_firmware(fw);
454 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH);
460 static int slic_card_download(struct adapter *adapter)
462 const struct firmware *fw;
463 const char *file = "";
468 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
475 int ucode_start, index = 0;
477 switch (adapter->devid) {
478 case SLIC_2GB_DEVICE_ID:
479 file = "/*(DEBLOBBED)*/";
481 case SLIC_1GB_DEVICE_ID:
482 file = "/*(DEBLOBBED)*/";
487 ret = reject_firmware(&fw, file, &adapter->pcidev->dev);
489 dev_err(&adapter->pcidev->dev,
490 "Failed to load firmware %s\n", file);
493 numsects = *(u32 *)(fw->data + index);
495 for (i = 0; i < numsects; i++) {
496 sectsize[i] = *(u32 *)(fw->data + index);
499 for (i = 0; i < numsects; i++) {
500 sectstart[i] = *(u32 *)(fw->data + index);
504 instruction = *(u32 *)(fw->data + index);
506 for (section = 0; section < numsects; section++) {
507 baseaddress = sectstart[section];
508 thissectionsize = sectsize[section] >> 3;
510 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
511 /* Write out instruction address */
512 slic_reg32_write(&slic_regs->slic_wcs,
513 baseaddress + codeaddr, FLUSH);
514 /* Write out instruction to low addr */
515 slic_reg32_write(&slic_regs->slic_wcs,
517 instruction = *(u32 *)(fw->data + index);
520 /* Write out instruction to high addr */
521 slic_reg32_write(&slic_regs->slic_wcs,
523 instruction = *(u32 *)(fw->data + index);
528 for (section = 0; section < numsects; section++) {
529 instruction = *(u32 *)(fw->data + index);
530 baseaddress = sectstart[section];
531 if (baseaddress < 0x8000)
533 thissectionsize = sectsize[section] >> 3;
535 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
536 /* Write out instruction address */
537 slic_reg32_write(&slic_regs->slic_wcs,
538 SLIC_WCS_COMPARE | (baseaddress + codeaddr),
540 /* Write out instruction to low addr */
541 slic_reg32_write(&slic_regs->slic_wcs, instruction,
543 instruction = *(u32 *)(fw->data + index);
545 /* Write out instruction to high addr */
546 slic_reg32_write(&slic_regs->slic_wcs, instruction,
548 instruction = *(u32 *)(fw->data + index);
551 /* Check SRAM location zero. If it is non-zero. Abort.*/
553 * failure = readl((u32 __iomem *)&slic_regs->slic_reset);
555 * release_firmware(fw);
561 release_firmware(fw);
562 /* Everything OK, kick off the card */
564 slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
567 * stall for 20 ms, long enough for ucode to init card
577 static void slic_adapter_set_hwaddr(struct adapter *adapter)
579 struct sliccard *card = adapter->card;
581 if ((adapter->card) && (card->config_set)) {
582 memcpy(adapter->macaddr,
583 card->config.MacInfo[adapter->functionnumber].macaddrA,
584 sizeof(struct slic_config_mac));
585 if (is_zero_ether_addr(adapter->currmacaddr))
586 memcpy(adapter->currmacaddr, adapter->macaddr,
589 memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
594 static void slic_intagg_set(struct adapter *adapter, u32 value)
596 slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH);
597 adapter->card->loadlevel_current = value;
600 static void slic_soft_reset(struct adapter *adapter)
602 if (adapter->card->state == CARD_UP) {
603 slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH);
607 slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC,
612 static void slic_mac_address_config(struct adapter *adapter)
616 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
618 value = ntohl(*(__be32 *)&adapter->currmacaddr[2]);
619 slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
620 slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
622 value2 = (u32)((adapter->currmacaddr[0] << 8 |
623 adapter->currmacaddr[1]) & 0xFFFF);
625 slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
626 slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
629 * Write our multicast mask out to the card. This is done
630 * here in addition to the slic_mcast_addr_set routine
631 * because ALL_MCAST may have been enabled or disabled
633 slic_mcast_set_mask(adapter);
636 static void slic_mac_config(struct adapter *adapter)
639 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
641 /* Setup GMAC gaps */
642 if (adapter->linkspeed == LINK_1000MB) {
643 value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
644 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
645 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
647 value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
648 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
649 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
653 if (adapter->linkspeed == LINK_1000MB)
656 /* enable fullduplex */
657 if ((adapter->linkduplex == LINK_FULLD)
658 || (adapter->macopts & MAC_LOOPBACK)) {
662 /* write mac config */
663 slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH);
665 /* setup mac addresses */
666 slic_mac_address_config(adapter);
669 static void slic_config_set(struct adapter *adapter, bool linkchange)
673 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
677 slic_mac_config(adapter);
678 RcrReset = GRCR_RESET;
680 slic_mac_address_config(adapter);
684 if (adapter->linkduplex == LINK_FULLD) {
686 value = (GXCR_RESET | /* Always reset */
687 GXCR_XMTEN | /* Enable transmit */
688 GXCR_PAUSEEN); /* Enable pause */
690 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
692 /* Setup rcvcfg last */
693 value = (RcrReset | /* Reset, if linkchange */
694 GRCR_CTLEN | /* Enable CTL frames */
695 GRCR_ADDRAEN | /* Address A enable */
696 GRCR_RCVBAD | /* Rcv bad frames */
697 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
700 value = (GXCR_RESET | /* Always reset */
701 GXCR_XMTEN); /* Enable transmit */
703 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
705 /* Setup rcvcfg last */
706 value = (RcrReset | /* Reset, if linkchange */
707 GRCR_ADDRAEN | /* Address A enable */
708 GRCR_RCVBAD | /* Rcv bad frames */
709 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
712 if (adapter->state != ADAPT_DOWN) {
713 /* Only enable receive if we are restarting or running */
717 if (adapter->macopts & MAC_PROMISC)
718 value |= GRCR_RCVALL;
720 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
724 * Turn off RCV and XMT, power down PHY
726 static void slic_config_clear(struct adapter *adapter)
730 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
733 value = (GXCR_RESET | /* Always reset */
734 GXCR_PAUSEEN); /* Enable pause */
736 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
738 value = (GRCR_RESET | /* Always reset */
739 GRCR_CTLEN | /* Enable CTL frames */
740 GRCR_ADDRAEN | /* Address A enable */
741 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
743 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
746 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
747 slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH);
750 static bool slic_mac_filter(struct adapter *adapter,
751 struct ether_header *ether_frame)
753 struct net_device *netdev = adapter->netdev;
754 u32 opts = adapter->macopts;
756 if (opts & MAC_PROMISC)
759 if (is_broadcast_ether_addr(ether_frame->ether_dhost)) {
760 if (opts & MAC_BCAST) {
761 adapter->rcv_broadcasts++;
768 if (is_multicast_ether_addr(ether_frame->ether_dhost)) {
769 if (opts & MAC_ALLMCAST) {
770 adapter->rcv_multicasts++;
771 netdev->stats.multicast++;
774 if (opts & MAC_MCAST) {
775 struct mcast_address *mcaddr = adapter->mcastaddrs;
778 if (ether_addr_equal(mcaddr->address,
779 ether_frame->ether_dhost)) {
780 adapter->rcv_multicasts++;
781 netdev->stats.multicast++;
784 mcaddr = mcaddr->next;
792 if (opts & MAC_DIRECTED) {
793 adapter->rcv_unicasts++;
800 static int slic_mac_set_address(struct net_device *dev, void *ptr)
802 struct adapter *adapter = netdev_priv(dev);
803 struct sockaddr *addr = ptr;
805 if (netif_running(dev))
810 if (!is_valid_ether_addr(addr->sa_data))
813 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
814 memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
816 slic_config_set(adapter, true);
820 static void slic_timer_load_check(ulong cardaddr)
822 struct sliccard *card = (struct sliccard *)cardaddr;
823 struct adapter *adapter = card->master;
825 u32 load = card->events;
828 if ((adapter) && (adapter->state == ADAPT_UP) &&
829 (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
830 intagg = &adapter->slic_regs->slic_intagg;
831 if (adapter->devid == SLIC_1GB_DEVICE_ID) {
832 if (adapter->linkspeed == LINK_1000MB)
835 if (load > SLIC_LOAD_5)
836 level = SLIC_INTAGG_5;
837 else if (load > SLIC_LOAD_4)
838 level = SLIC_INTAGG_4;
839 else if (load > SLIC_LOAD_3)
840 level = SLIC_INTAGG_3;
841 else if (load > SLIC_LOAD_2)
842 level = SLIC_INTAGG_2;
843 else if (load > SLIC_LOAD_1)
844 level = SLIC_INTAGG_1;
846 level = SLIC_INTAGG_0;
848 if (card->loadlevel_current != level) {
849 card->loadlevel_current = level;
850 slic_reg32_write(intagg, level, FLUSH);
853 if (load > SLIC_LOAD_5)
854 level = SLIC_INTAGG_5;
855 else if (load > SLIC_LOAD_4)
856 level = SLIC_INTAGG_4;
857 else if (load > SLIC_LOAD_3)
858 level = SLIC_INTAGG_3;
859 else if (load > SLIC_LOAD_2)
860 level = SLIC_INTAGG_2;
861 else if (load > SLIC_LOAD_1)
862 level = SLIC_INTAGG_1;
864 level = SLIC_INTAGG_0;
865 if (card->loadlevel_current != level) {
866 card->loadlevel_current = level;
867 slic_reg32_write(intagg, level, FLUSH);
872 card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
873 add_timer(&card->loadtimer);
876 static int slic_upr_queue_request(struct adapter *adapter,
880 u32 upr_buffer, u32 upr_buffer_h)
882 struct slic_upr *upr;
883 struct slic_upr *uprqueue;
885 upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
889 upr->adapter = adapter->port;
890 upr->upr_request = upr_request;
891 upr->upr_data = upr_data;
892 upr->upr_buffer = upr_buffer;
893 upr->upr_data_h = upr_data_h;
894 upr->upr_buffer_h = upr_buffer_h;
896 if (adapter->upr_list) {
897 uprqueue = adapter->upr_list;
899 while (uprqueue->next)
900 uprqueue = uprqueue->next;
901 uprqueue->next = upr;
903 adapter->upr_list = upr;
908 static void slic_upr_start(struct adapter *adapter)
910 struct slic_upr *upr;
911 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
917 upr = adapter->upr_list;
920 if (adapter->upr_busy)
922 adapter->upr_busy = 1;
924 switch (upr->upr_request) {
926 if (upr->upr_data_h == 0) {
927 slic_reg32_write(&slic_regs->slic_stats, upr->upr_data,
930 slic_reg64_write(adapter, &slic_regs->slic_stats64,
932 &slic_regs->slic_addr_upper,
933 upr->upr_data_h, FLUSH);
938 slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data,
939 &slic_regs->slic_addr_upper, upr->upr_data_h,
943 case SLIC_UPR_RCONFIG:
944 slic_reg64_write(adapter, &slic_regs->slic_rconfig,
945 upr->upr_data, &slic_regs->slic_addr_upper,
946 upr->upr_data_h, FLUSH);
949 slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH);
954 static int slic_upr_request(struct adapter *adapter,
958 u32 upr_buffer, u32 upr_buffer_h)
963 spin_lock_irqsave(&adapter->upr_lock, flags);
964 rc = slic_upr_queue_request(adapter,
967 upr_data_h, upr_buffer, upr_buffer_h);
971 slic_upr_start(adapter);
973 spin_unlock_irqrestore(&adapter->upr_lock, flags);
977 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
979 u32 linkstatus = adapter->pshmem->linkstatus;
981 unsigned char linkspeed;
982 unsigned char linkduplex;
984 if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
985 struct slic_shmem *pshmem;
987 pshmem = (struct slic_shmem *)(unsigned long)
989 #if BITS_PER_LONG == 64
990 slic_upr_queue_request(adapter,
992 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
993 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
996 slic_upr_queue_request(adapter,
998 (u32)&pshmem->linkstatus,
999 SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
1003 if (adapter->state != ADAPT_UP)
1006 linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
1007 if (linkstatus & GIG_SPEED_1000)
1008 linkspeed = LINK_1000MB;
1009 else if (linkstatus & GIG_SPEED_100)
1010 linkspeed = LINK_100MB;
1012 linkspeed = LINK_10MB;
1014 if (linkstatus & GIG_FULLDUPLEX)
1015 linkduplex = LINK_FULLD;
1017 linkduplex = LINK_HALFD;
1019 if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN))
1022 /* link up event, but nothing has changed */
1023 if ((adapter->linkstate == LINK_UP) &&
1024 (linkup == LINK_UP) &&
1025 (adapter->linkspeed == linkspeed) &&
1026 (adapter->linkduplex == linkduplex))
1029 /* link has changed at this point */
1031 /* link has gone from up to down */
1032 if (linkup == LINK_DOWN) {
1033 adapter->linkstate = LINK_DOWN;
1037 /* link has gone from down to up */
1038 adapter->linkspeed = linkspeed;
1039 adapter->linkduplex = linkduplex;
1041 if (adapter->linkstate != LINK_UP) {
1043 slic_config_set(adapter, true);
1044 adapter->linkstate = LINK_UP;
1045 netif_start_queue(adapter->netdev);
1049 static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
1051 struct sliccard *card = adapter->card;
1052 struct slic_upr *upr;
1053 unsigned long flags;
1055 spin_lock_irqsave(&adapter->upr_lock, flags);
1056 upr = adapter->upr_list;
1058 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1061 adapter->upr_list = upr->next;
1063 adapter->upr_busy = 0;
1064 switch (upr->upr_request) {
1065 case SLIC_UPR_STATS:
1067 struct slic_stats *slicstats =
1068 (struct slic_stats *)&adapter->pshmem->inicstats;
1069 struct slic_stats *newstats = slicstats;
1070 struct slic_stats *old = &adapter->inicstats_prev;
1071 struct slicnet_stats *stst = &adapter->slic_stats;
1073 if (isr & ISR_UPCERR) {
1074 dev_err(&adapter->netdev->dev,
1075 "SLIC_UPR_STATS command failed isr[%x]\n",
1080 UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
1081 newstats->xmit_tcp_segs_gb,
1082 old->xmit_tcp_segs_gb);
1084 UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
1085 newstats->xmit_tcp_bytes_gb,
1086 old->xmit_tcp_bytes_gb);
1088 UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
1089 newstats->rcv_tcp_segs_gb,
1090 old->rcv_tcp_segs_gb);
1092 UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
1093 newstats->rcv_tcp_bytes_gb,
1094 old->rcv_tcp_bytes_gb);
1096 UPDATE_STATS_GB(stst->iface.xmt_bytes,
1097 newstats->xmit_bytes_gb,
1098 old->xmit_bytes_gb);
1100 UPDATE_STATS_GB(stst->iface.xmt_ucast,
1101 newstats->xmit_unicasts_gb,
1102 old->xmit_unicasts_gb);
1104 UPDATE_STATS_GB(stst->iface.rcv_bytes,
1105 newstats->rcv_bytes_gb,
1108 UPDATE_STATS_GB(stst->iface.rcv_ucast,
1109 newstats->rcv_unicasts_gb,
1110 old->rcv_unicasts_gb);
1112 UPDATE_STATS_GB(stst->iface.xmt_errors,
1113 newstats->xmit_collisions_gb,
1114 old->xmit_collisions_gb);
1116 UPDATE_STATS_GB(stst->iface.xmt_errors,
1117 newstats->xmit_excess_collisions_gb,
1118 old->xmit_excess_collisions_gb);
1120 UPDATE_STATS_GB(stst->iface.xmt_errors,
1121 newstats->xmit_other_error_gb,
1122 old->xmit_other_error_gb);
1124 UPDATE_STATS_GB(stst->iface.rcv_errors,
1125 newstats->rcv_other_error_gb,
1126 old->rcv_other_error_gb);
1128 UPDATE_STATS_GB(stst->iface.rcv_discards,
1129 newstats->rcv_drops_gb,
1132 if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
1133 adapter->rcv_drops +=
1134 (newstats->rcv_drops_gb -
1137 memcpy(old, newstats, sizeof(struct slic_stats));
1141 slic_link_upr_complete(adapter, isr);
1143 case SLIC_UPR_RCONFIG:
1146 card->pingstatus |= (isr & ISR_PINGDSMASK);
1150 slic_upr_start(adapter);
1151 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1154 static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
1156 return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h,
1161 * Compute a checksum of the EEPROM according to RFC 1071.
1163 static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
1169 checksum += *(wp++);
1174 checksum += *(u8 *)wp;
1176 while (checksum >> 16)
1177 checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
1182 static void slic_rspqueue_free(struct adapter *adapter)
1185 struct slic_rspqueue *rspq = &adapter->rspqueue;
1187 for (i = 0; i < rspq->num_pages; i++) {
1188 if (rspq->vaddr[i]) {
1189 pci_free_consistent(adapter->pcidev, PAGE_SIZE,
1190 rspq->vaddr[i], rspq->paddr[i]);
1192 rspq->vaddr[i] = NULL;
1196 rspq->pageindex = 0;
1197 rspq->rspbuf = NULL;
1200 static int slic_rspqueue_init(struct adapter *adapter)
1203 struct slic_rspqueue *rspq = &adapter->rspqueue;
1204 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
1207 memset(rspq, 0, sizeof(struct slic_rspqueue));
1209 rspq->num_pages = SLIC_RSPQ_PAGES_GB;
1211 for (i = 0; i < rspq->num_pages; i++) {
1212 rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
1215 if (!rspq->vaddr[i]) {
1216 dev_err(&adapter->pcidev->dev,
1217 "pci_alloc_consistent failed\n");
1218 slic_rspqueue_free(adapter);
1223 slic_reg32_write(&slic_regs->slic_rbar,
1224 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1227 slic_reg64_write(adapter, &slic_regs->slic_rbar64,
1228 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1229 &slic_regs->slic_addr_upper,
1230 paddrh, DONT_FLUSH);
1234 rspq->pageindex = 0;
1235 rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
1239 static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
1241 struct slic_rspqueue *rspq = &adapter->rspqueue;
1242 struct slic_rspbuf *buf;
1244 if (!(rspq->rspbuf->status))
1248 if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
1251 slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64,
1252 (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
1253 &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
1254 rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages;
1256 rspq->rspbuf = (struct slic_rspbuf *)
1257 rspq->vaddr[rspq->pageindex];
1263 static void slic_cmdqmem_free(struct adapter *adapter)
1265 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1268 for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
1269 if (cmdqmem->pages[i]) {
1270 pci_free_consistent(adapter->pcidev,
1272 (void *)cmdqmem->pages[i],
1273 cmdqmem->dma_pages[i]);
1276 memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
1279 static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
1281 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1284 if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
1286 pageaddr = pci_alloc_consistent(adapter->pcidev,
1288 &cmdqmem->dma_pages[cmdqmem->pagecnt]);
1292 cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
1297 static void slic_cmdq_free(struct adapter *adapter)
1299 struct slic_hostcmd *cmd;
1301 cmd = adapter->cmdq_all.head;
1304 struct sk_buff *tempskb;
1309 dev_kfree_skb_irq(tempskb);
1312 cmd = cmd->next_all;
1314 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1315 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1316 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1317 slic_cmdqmem_free(adapter);
1320 static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
1322 struct slic_hostcmd *cmd;
1323 struct slic_hostcmd *prev;
1324 struct slic_hostcmd *tail;
1325 struct slic_cmdqueue *cmdq;
1331 struct slic_handle *pslic_handle;
1332 unsigned long flags;
1338 phys_addr = virt_to_bus((void *)page);
1339 phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
1340 phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
1344 while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
1345 (adapter->slic_handle_ix < 256)) {
1346 /* Allocate and initialize a SLIC_HANDLE for this command */
1347 spin_lock_irqsave(&adapter->handle_lock, flags);
1348 pslic_handle = adapter->pfree_slic_handles;
1349 adapter->pfree_slic_handles = pslic_handle->next;
1350 spin_unlock_irqrestore(&adapter->handle_lock, flags);
1351 pslic_handle->type = SLIC_HANDLE_CMD;
1352 pslic_handle->address = (void *)cmd;
1353 pslic_handle->offset = (ushort)adapter->slic_handle_ix++;
1354 pslic_handle->other_handle = NULL;
1355 pslic_handle->next = NULL;
1357 cmd->pslic_handle = pslic_handle;
1358 cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
1360 cmd->paddrl = phys_addrl;
1361 cmd->paddrh = phys_addrh;
1362 cmd->next_all = prev;
1365 phys_addrl += SLIC_HOSTCMD_SIZE;
1366 cmdaddr += SLIC_HOSTCMD_SIZE;
1372 cmdq = &adapter->cmdq_all;
1373 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1374 tail->next_all = cmdq->head;
1376 cmdq = &adapter->cmdq_free;
1377 spin_lock_irqsave(&cmdq->lock, flags);
1378 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1379 tail->next = cmdq->head;
1381 spin_unlock_irqrestore(&cmdq->lock, flags);
1384 static int slic_cmdq_init(struct adapter *adapter)
1389 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1390 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1391 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1392 spin_lock_init(&adapter->cmdq_all.lock);
1393 spin_lock_init(&adapter->cmdq_free.lock);
1394 spin_lock_init(&adapter->cmdq_done.lock);
1395 memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
1396 adapter->slic_handle_ix = 1;
1397 for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
1398 pageaddr = slic_cmdqmem_addpage(adapter);
1400 slic_cmdq_free(adapter);
1403 slic_cmdq_addcmdpage(adapter, pageaddr);
1405 adapter->slic_handle_ix = 1;
1410 static void slic_cmdq_reset(struct adapter *adapter)
1412 struct slic_hostcmd *hcmd;
1413 struct sk_buff *skb;
1415 unsigned long flags;
1417 spin_lock_irqsave(&adapter->cmdq_free.lock, flags);
1418 spin_lock(&adapter->cmdq_done.lock);
1419 outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
1420 outstanding -= adapter->cmdq_free.count;
1421 hcmd = adapter->cmdq_all.head;
1427 dev_kfree_skb_irq(skb);
1429 hcmd = hcmd->next_all;
1431 adapter->cmdq_free.count = 0;
1432 adapter->cmdq_free.head = NULL;
1433 adapter->cmdq_free.tail = NULL;
1434 adapter->cmdq_done.count = 0;
1435 adapter->cmdq_done.head = NULL;
1436 adapter->cmdq_done.tail = NULL;
1437 adapter->cmdq_free.head = adapter->cmdq_all.head;
1438 hcmd = adapter->cmdq_all.head;
1440 adapter->cmdq_free.count++;
1441 hcmd->next = hcmd->next_all;
1442 hcmd = hcmd->next_all;
1444 if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
1445 dev_err(&adapter->netdev->dev,
1446 "free_count %d != all count %d\n",
1447 adapter->cmdq_free.count, adapter->cmdq_all.count);
1449 spin_unlock(&adapter->cmdq_done.lock);
1450 spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags);
1453 static void slic_cmdq_getdone(struct adapter *adapter)
1455 struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
1456 struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
1457 unsigned long flags;
1459 spin_lock_irqsave(&done_cmdq->lock, flags);
1461 free_cmdq->head = done_cmdq->head;
1462 free_cmdq->count = done_cmdq->count;
1463 done_cmdq->head = NULL;
1464 done_cmdq->tail = NULL;
1465 done_cmdq->count = 0;
1466 spin_unlock_irqrestore(&done_cmdq->lock, flags);
1469 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
1471 struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
1472 struct slic_hostcmd *cmd = NULL;
1473 unsigned long flags;
1476 spin_lock_irqsave(&cmdq->lock, flags);
1480 cmdq->head = cmd->next;
1482 spin_unlock_irqrestore(&cmdq->lock, flags);
1484 slic_cmdq_getdone(adapter);
1491 spin_unlock_irqrestore(&cmdq->lock, flags);
1492 pageaddr = slic_cmdqmem_addpage(adapter);
1494 slic_cmdq_addcmdpage(adapter, pageaddr);
1495 goto lock_and_retry;
1502 static void slic_cmdq_putdone_irq(struct adapter *adapter,
1503 struct slic_hostcmd *cmd)
1505 struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
1507 spin_lock(&cmdq->lock);
1509 cmd->next = cmdq->head;
1512 if ((adapter->xmitq_full) && (cmdq->count > 10))
1513 netif_wake_queue(adapter->netdev);
1514 spin_unlock(&cmdq->lock);
1517 static int slic_rcvqueue_fill(struct adapter *adapter)
1522 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1524 struct device *dev = &adapter->netdev->dev;
1526 while (i < SLIC_RCVQ_FILLENTRIES) {
1527 struct slic_rcvbuf *rcvbuf;
1528 struct sk_buff *skb;
1529 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1532 skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
1534 paddr = (void *)(unsigned long)
1535 pci_map_single(adapter->pcidev,
1537 SLIC_RCVQ_RCVBUFSIZE,
1538 PCI_DMA_FROMDEVICE);
1539 paddrl = SLIC_GET_ADDR_LOW(paddr);
1540 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1542 skb->len = SLIC_RCVBUF_HEADSIZE;
1543 rcvbuf = (struct slic_rcvbuf *)skb->head;
1546 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1548 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1550 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1551 dev_err(dev, " skbdata[%p]\n",
1553 dev_err(dev, " skblen[%x]\n", skb->len);
1554 dev_err(dev, " paddr[%p]\n", paddr);
1555 dev_err(dev, " paddrl[%x]\n", paddrl);
1556 dev_err(dev, " paddrh[%x]\n", paddrh);
1557 dev_err(dev, " rcvq->head[%p]\n",
1559 dev_err(dev, " rcvq->tail[%p]\n",
1561 dev_err(dev, " rcvq->count[%x]\n",
1563 dev_err(dev, "SKIP THIS SKB!!!!!!!!\n");
1564 goto retry_rcvqfill;
1568 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1570 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1571 dev_err(dev, " skbdata[%p]\n",
1573 dev_err(dev, " skblen[%x]\n", skb->len);
1574 dev_err(dev, " paddr[%p]\n", paddr);
1575 dev_err(dev, " paddrl[%x]\n", paddrl);
1576 dev_err(dev, " paddrh[%x]\n", paddrh);
1577 dev_err(dev, " rcvq->head[%p]\n",
1579 dev_err(dev, " rcvq->tail[%p]\n",
1581 dev_err(dev, " rcvq->count[%x]\n",
1583 dev_err(dev, "GIVE TO CARD ANYWAY\n");
1587 slic_reg32_write(&adapter->slic_regs->slic_hbar,
1588 (u32)paddrl, DONT_FLUSH);
1590 slic_reg64_write(adapter,
1591 &adapter->slic_regs->slic_hbar64,
1593 &adapter->slic_regs->slic_addr_upper,
1594 paddrh, DONT_FLUSH);
1597 rcvq->tail->next = skb;
1604 dev_err(&adapter->netdev->dev,
1605 "slic_rcvqueue_fill could only get [%d] skbuffs\n",
1613 static void slic_rcvqueue_free(struct adapter *adapter)
1615 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1616 struct sk_buff *skb;
1618 while (rcvq->head) {
1620 rcvq->head = rcvq->head->next;
1628 static int slic_rcvqueue_init(struct adapter *adapter)
1631 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1635 rcvq->size = SLIC_RCVQ_ENTRIES;
1638 i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES;
1641 count += slic_rcvqueue_fill(adapter);
1644 if (rcvq->count < SLIC_RCVQ_MINENTRIES) {
1645 slic_rcvqueue_free(adapter);
1651 static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter)
1653 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1654 struct sk_buff *skb;
1655 struct slic_rcvbuf *rcvbuf;
1660 rcvbuf = (struct slic_rcvbuf *)skb->head;
1662 if (rcvbuf->status & IRHDDR_SVALID) {
1663 rcvq->head = rcvq->head->next;
1670 dev_err(&adapter->netdev->dev,
1671 "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count);
1674 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
1675 count = slic_rcvqueue_fill(adapter);
1684 static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
1686 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1690 struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
1693 paddr = (void *)(unsigned long)
1694 pci_map_single(adapter->pcidev, skb->head,
1695 SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
1699 paddrl = SLIC_GET_ADDR_LOW(paddr);
1700 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1703 dev = &adapter->netdev->dev;
1704 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1706 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1707 dev_err(dev, " skbdata[%p]\n", skb->data);
1708 dev_err(dev, " skblen[%x]\n", skb->len);
1709 dev_err(dev, " paddr[%p]\n", paddr);
1710 dev_err(dev, " paddrl[%x]\n", paddrl);
1711 dev_err(dev, " paddrh[%x]\n", paddrh);
1712 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1713 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1714 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
1717 slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl,
1720 slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64,
1721 paddrl, &adapter->slic_regs->slic_addr_upper,
1722 paddrh, DONT_FLUSH);
1725 rcvq->tail->next = skb;
1734 * slic_link_event_handler -
1736 * Initiate a link configuration sequence. The link configuration begins
1737 * by issuing a READ_LINK_STATUS command to the Utility Processor on the
1738 * SLIC. Since the command finishes asynchronously, the slic_upr_comlete
1739 * routine will follow it up witha UP configuration write command, which
1740 * will also complete asynchronously.
1743 static int slic_link_event_handler(struct adapter *adapter)
1746 struct slic_shmem *pshmem;
1748 if (adapter->state != ADAPT_UP) {
1749 /* Adapter is not operational. Ignore. */
1753 pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
1755 #if BITS_PER_LONG == 64
1756 status = slic_upr_request(adapter,
1758 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
1759 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
1762 status = slic_upr_request(adapter, SLIC_UPR_RLSR,
1763 (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
1769 static void slic_init_cleanup(struct adapter *adapter)
1771 if (adapter->intrregistered) {
1772 adapter->intrregistered = 0;
1773 free_irq(adapter->netdev->irq, adapter->netdev);
1776 if (adapter->pshmem) {
1777 pci_free_consistent(adapter->pcidev,
1778 sizeof(struct slic_shmem),
1779 adapter->pshmem, adapter->phys_shmem);
1780 adapter->pshmem = NULL;
1781 adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
1784 if (adapter->pingtimerset) {
1785 adapter->pingtimerset = 0;
1786 del_timer(&adapter->pingtimer);
1789 slic_rspqueue_free(adapter);
1790 slic_cmdq_free(adapter);
1791 slic_rcvqueue_free(adapter);
1795 * Allocate a mcast_address structure to hold the multicast address.
1798 static int slic_mcast_add_list(struct adapter *adapter, char *address)
1800 struct mcast_address *mcaddr, *mlist;
1802 /* Check to see if it already exists */
1803 mlist = adapter->mcastaddrs;
1805 if (ether_addr_equal(mlist->address, address))
1807 mlist = mlist->next;
1810 /* Doesn't already exist. Allocate a structure to hold it */
1811 mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
1815 ether_addr_copy(mcaddr->address, address);
1817 mcaddr->next = adapter->mcastaddrs;
1818 adapter->mcastaddrs = mcaddr;
1823 static void slic_mcast_set_list(struct net_device *dev)
1825 struct adapter *adapter = netdev_priv(dev);
1828 struct netdev_hw_addr *ha;
1830 netdev_for_each_mc_addr(ha, dev) {
1831 addresses = (char *)&ha->addr;
1832 status = slic_mcast_add_list(adapter, addresses);
1835 slic_mcast_set_bit(adapter, addresses);
1838 if (adapter->devflags_prev != dev->flags) {
1839 adapter->macopts = MAC_DIRECTED;
1841 if (dev->flags & IFF_BROADCAST)
1842 adapter->macopts |= MAC_BCAST;
1843 if (dev->flags & IFF_PROMISC)
1844 adapter->macopts |= MAC_PROMISC;
1845 if (dev->flags & IFF_ALLMULTI)
1846 adapter->macopts |= MAC_ALLMCAST;
1847 if (dev->flags & IFF_MULTICAST)
1848 adapter->macopts |= MAC_MCAST;
1850 adapter->devflags_prev = dev->flags;
1851 slic_config_set(adapter, true);
1854 slic_mcast_set_mask(adapter);
1858 #define XMIT_FAIL_LINK_STATE 1
1859 #define XMIT_FAIL_ZERO_LENGTH 2
1860 #define XMIT_FAIL_HOSTCMD_FAIL 3
1862 static void slic_xmit_build_request(struct adapter *adapter,
1863 struct slic_hostcmd *hcmd, struct sk_buff *skb)
1865 struct slic_host64_cmd *ihcmd;
1868 ihcmd = &hcmd->cmd64;
1870 ihcmd->flags = adapter->port << IHFLG_IFSHFT;
1871 ihcmd->command = IHCMD_XMT_REQ;
1872 ihcmd->u.slic_buffers.totlen = skb->len;
1873 phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
1875 ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
1876 ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
1877 ihcmd->u.slic_buffers.bufs[0].length = skb->len;
1878 #if BITS_PER_LONG == 64
1879 hcmd->cmdsize = (u32)((((u64)&ihcmd->u.slic_buffers.bufs[1] -
1880 (u64)hcmd) + 31) >> 5);
1882 hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] -
1883 (u32)hcmd) + 31) >> 5;
1887 static void slic_xmit_fail(struct adapter *adapter,
1888 struct sk_buff *skb,
1889 void *cmd, u32 skbtype, u32 status)
1891 if (adapter->xmitq_full)
1892 netif_stop_queue(adapter->netdev);
1893 if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
1895 case XMIT_FAIL_LINK_STATE:
1896 dev_err(&adapter->netdev->dev,
1897 "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n",
1899 SLIC_LINKSTATE(adapter->linkstate),
1900 SLIC_ADAPTER_STATE(adapter->state),
1902 SLIC_CARD_STATE(adapter->card->state),
1903 adapter->card->state);
1905 case XMIT_FAIL_ZERO_LENGTH:
1906 dev_err(&adapter->netdev->dev,
1907 "xmit_start skb->len == 0 skb[%p] type[%x]\n",
1908 skb, skb->pkt_type);
1910 case XMIT_FAIL_HOSTCMD_FAIL:
1911 dev_err(&adapter->netdev->dev,
1912 "xmit_start skb[%p] type[%x] No host commands available\n",
1913 skb, skb->pkt_type);
1918 adapter->netdev->stats.tx_dropped++;
1921 static void slic_rcv_handle_error(struct adapter *adapter,
1922 struct slic_rcvbuf *rcvbuf)
1924 struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
1925 struct net_device *netdev = adapter->netdev;
1927 if (adapter->devid != SLIC_1GB_DEVICE_ID) {
1928 if (hdr->frame_status14 & VRHSTAT_802OE)
1929 adapter->if_events.oflow802++;
1930 if (hdr->frame_status14 & VRHSTAT_TPOFLO)
1931 adapter->if_events.Tprtoflow++;
1932 if (hdr->frame_status_b14 & VRHSTATB_802UE)
1933 adapter->if_events.uflow802++;
1934 if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
1935 adapter->if_events.rcvearly++;
1936 netdev->stats.rx_fifo_errors++;
1938 if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
1939 adapter->if_events.Bufov++;
1940 netdev->stats.rx_over_errors++;
1942 if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
1943 adapter->if_events.Carre++;
1944 netdev->stats.tx_carrier_errors++;
1946 if (hdr->frame_status_b14 & VRHSTATB_LONGE)
1947 adapter->if_events.Longe++;
1948 if (hdr->frame_status_b14 & VRHSTATB_PREA)
1949 adapter->if_events.Invp++;
1950 if (hdr->frame_status_b14 & VRHSTATB_CRC) {
1951 adapter->if_events.Crc++;
1952 netdev->stats.rx_crc_errors++;
1954 if (hdr->frame_status_b14 & VRHSTATB_DRBL)
1955 adapter->if_events.Drbl++;
1956 if (hdr->frame_status_b14 & VRHSTATB_CODE)
1957 adapter->if_events.Code++;
1958 if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
1959 adapter->if_events.TpCsum++;
1960 if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
1961 adapter->if_events.TpHlen++;
1962 if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
1963 adapter->if_events.IpCsum++;
1964 if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
1965 adapter->if_events.IpLen++;
1966 if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
1967 adapter->if_events.IpHlen++;
1969 if (hdr->frame_statusGB & VGBSTAT_XPERR) {
1970 u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
1972 if (xerr == VGBSTAT_XCSERR)
1973 adapter->if_events.TpCsum++;
1974 if (xerr == VGBSTAT_XUFLOW)
1975 adapter->if_events.Tprtoflow++;
1976 if (xerr == VGBSTAT_XHLEN)
1977 adapter->if_events.TpHlen++;
1979 if (hdr->frame_statusGB & VGBSTAT_NETERR) {
1982 frame_statusGB >> VGBSTAT_NERRSHFT) &
1984 if (nerr == VGBSTAT_NCSERR)
1985 adapter->if_events.IpCsum++;
1986 if (nerr == VGBSTAT_NUFLOW)
1987 adapter->if_events.IpLen++;
1988 if (nerr == VGBSTAT_NHLEN)
1989 adapter->if_events.IpHlen++;
1991 if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
1992 u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
1994 if (lerr == VGBSTAT_LDEARLY)
1995 adapter->if_events.rcvearly++;
1996 if (lerr == VGBSTAT_LBOFLO)
1997 adapter->if_events.Bufov++;
1998 if (lerr == VGBSTAT_LCODERR)
1999 adapter->if_events.Code++;
2000 if (lerr == VGBSTAT_LDBLNBL)
2001 adapter->if_events.Drbl++;
2002 if (lerr == VGBSTAT_LCRCERR)
2003 adapter->if_events.Crc++;
2004 if (lerr == VGBSTAT_LOFLO)
2005 adapter->if_events.oflow802++;
2006 if (lerr == VGBSTAT_LUFLO)
2007 adapter->if_events.uflow802++;
2012 #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000
2013 #define M_FAST_PATH 0x0040
2015 static void slic_rcv_handler(struct adapter *adapter)
2017 struct net_device *netdev = adapter->netdev;
2018 struct sk_buff *skb;
2019 struct slic_rcvbuf *rcvbuf;
2022 while ((skb = slic_rcvqueue_getnext(adapter))) {
2025 rcvbuf = (struct slic_rcvbuf *)skb->head;
2026 adapter->card->events++;
2027 if (rcvbuf->status & IRHDDR_ERR) {
2028 adapter->rx_errors++;
2029 slic_rcv_handle_error(adapter, rcvbuf);
2030 slic_rcvqueue_reinsert(adapter, skb);
2034 if (!slic_mac_filter(adapter, (struct ether_header *)
2036 slic_rcvqueue_reinsert(adapter, skb);
2039 skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
2040 rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
2041 skb_put(skb, rx_bytes);
2042 netdev->stats.rx_packets++;
2043 netdev->stats.rx_bytes += rx_bytes;
2044 #if SLIC_OFFLOAD_IP_CHECKSUM
2045 skb->ip_summed = CHECKSUM_UNNECESSARY;
2048 skb->dev = adapter->netdev;
2049 skb->protocol = eth_type_trans(skb, skb->dev);
2053 #if SLIC_INTERRUPT_PROCESS_LIMIT
2054 if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
2055 adapter->rcv_interrupt_yields++;
2060 adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
2063 static void slic_xmit_complete(struct adapter *adapter)
2065 struct slic_hostcmd *hcmd;
2066 struct slic_rspbuf *rspbuf;
2068 struct slic_handle_word slic_handle_word;
2071 rspbuf = slic_rspqueue_getnext(adapter);
2074 adapter->xmit_completes++;
2075 adapter->card->events++;
2077 * Get the complete host command buffer
2079 slic_handle_word.handle_token = rspbuf->hosthandle;
2081 adapter->slic_handles[slic_handle_word.handle_index].
2083 /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
2084 if (hcmd->type == SLIC_CMD_DUMB) {
2086 dev_kfree_skb_irq(hcmd->skb);
2087 slic_cmdq_putdone_irq(adapter, hcmd);
2090 rspbuf->hosthandle = 0;
2093 adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
2096 static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
2097 struct net_device *dev)
2099 if (isr & ~ISR_IO) {
2100 if (isr & ISR_ERR) {
2101 adapter->error_interrupts++;
2102 if (isr & ISR_RMISS) {
2107 struct slic_rcvqueue *rcvq =
2110 adapter->error_rmiss_interrupts++;
2113 rcv_count = rcvq->count;
2114 pre_count = rcvq->count;
2115 errors = rcvq->errors;
2117 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
2118 count = slic_rcvqueue_fill(adapter);
2122 } else if (isr & ISR_XDROP) {
2124 "isr & ISR_ERR [%x] ISR_XDROP\n",
2128 "isr & ISR_ERR [%x]\n",
2133 if (isr & ISR_LEVENT) {
2134 adapter->linkevent_interrupts++;
2135 if (slic_link_event_handler(adapter))
2136 adapter->linkevent_interrupts--;
2139 if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
2140 (isr & ISR_UPCBSY)) {
2141 adapter->upr_interrupts++;
2142 slic_upr_request_complete(adapter, isr);
2146 if (isr & ISR_RCV) {
2147 adapter->rcv_interrupts++;
2148 slic_rcv_handler(adapter);
2151 if (isr & ISR_CMD) {
2152 adapter->xmit_interrupts++;
2153 slic_xmit_complete(adapter);
2157 static irqreturn_t slic_interrupt(int irq, void *dev_id)
2159 struct net_device *dev = dev_id;
2160 struct adapter *adapter = netdev_priv(dev);
2163 if ((adapter->pshmem) && (adapter->pshmem->isr)) {
2164 slic_reg32_write(&adapter->slic_regs->slic_icr,
2165 ICR_INT_MASK, FLUSH);
2166 isr = adapter->isrcopy = adapter->pshmem->isr;
2167 adapter->pshmem->isr = 0;
2168 adapter->num_isrs++;
2169 switch (adapter->card->state) {
2171 slic_interrupt_card_up(isr, adapter, dev);
2175 if ((isr & ISR_UPC) ||
2176 (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
2177 adapter->upr_interrupts++;
2178 slic_upr_request_complete(adapter, isr);
2183 adapter->isrcopy = 0;
2184 adapter->all_reg_writes += 2;
2185 adapter->isr_reg_writes++;
2186 slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH);
2188 adapter->false_interrupts++;
2193 #define NORMAL_ETHFRAME 0
2195 static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
2197 struct sliccard *card;
2198 struct adapter *adapter = netdev_priv(dev);
2199 struct slic_hostcmd *hcmd = NULL;
2201 void *offloadcmd = NULL;
2203 card = adapter->card;
2204 if ((adapter->linkstate != LINK_UP) ||
2205 (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
2206 status = XMIT_FAIL_LINK_STATE;
2209 } else if (skb->len == 0) {
2210 status = XMIT_FAIL_ZERO_LENGTH;
2214 hcmd = slic_cmdq_getfree(adapter);
2216 adapter->xmitq_full = 1;
2217 status = XMIT_FAIL_HOSTCMD_FAIL;
2222 hcmd->type = SLIC_CMD_DUMB;
2223 slic_xmit_build_request(adapter, hcmd, skb);
2224 dev->stats.tx_packets++;
2225 dev->stats.tx_bytes += skb->len;
2228 if (adapter->kill_card) {
2229 struct slic_host64_cmd ihcmd;
2231 ihcmd = &hcmd->cmd64;
2233 ihcmd->flags |= 0x40;
2234 adapter->kill_card = 0; /* only do this once */
2237 if (hcmd->paddrh == 0) {
2238 slic_reg32_write(&adapter->slic_regs->slic_cbar,
2239 (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
2241 slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64,
2242 (hcmd->paddrl | hcmd->cmdsize),
2243 &adapter->slic_regs->slic_addr_upper,
2244 hcmd->paddrh, DONT_FLUSH);
2247 return NETDEV_TX_OK;
2249 slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status);
2253 static void slic_adapter_freeresources(struct adapter *adapter)
2255 slic_init_cleanup(adapter);
2256 adapter->error_interrupts = 0;
2257 adapter->rcv_interrupts = 0;
2258 adapter->xmit_interrupts = 0;
2259 adapter->linkevent_interrupts = 0;
2260 adapter->upr_interrupts = 0;
2261 adapter->num_isrs = 0;
2262 adapter->xmit_completes = 0;
2263 adapter->rcv_broadcasts = 0;
2264 adapter->rcv_multicasts = 0;
2265 adapter->rcv_unicasts = 0;
2268 static int slic_adapter_allocresources(struct adapter *adapter,
2269 unsigned long *flags)
2271 if (!adapter->intrregistered) {
2274 spin_unlock_irqrestore(&slic_global.driver_lock, *flags);
2276 retval = request_irq(adapter->netdev->irq,
2279 adapter->netdev->name, adapter->netdev);
2281 spin_lock_irqsave(&slic_global.driver_lock, *flags);
2284 dev_err(&adapter->netdev->dev,
2285 "request_irq (%s) FAILED [%x]\n",
2286 adapter->netdev->name, retval);
2289 adapter->intrregistered = 1;
2297 * Perform initialization of our slic interface.
2300 static int slic_if_init(struct adapter *adapter, unsigned long *flags)
2302 struct sliccard *card = adapter->card;
2303 struct net_device *dev = adapter->netdev;
2304 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2305 struct slic_shmem *pshmem;
2308 /* adapter should be down at this point */
2309 if (adapter->state != ADAPT_DOWN) {
2310 dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
2316 adapter->devflags_prev = dev->flags;
2317 adapter->macopts = MAC_DIRECTED;
2319 if (dev->flags & IFF_BROADCAST)
2320 adapter->macopts |= MAC_BCAST;
2321 if (dev->flags & IFF_PROMISC)
2322 adapter->macopts |= MAC_PROMISC;
2323 if (dev->flags & IFF_ALLMULTI)
2324 adapter->macopts |= MAC_ALLMCAST;
2325 if (dev->flags & IFF_MULTICAST)
2326 adapter->macopts |= MAC_MCAST;
2328 rc = slic_adapter_allocresources(adapter, flags);
2330 dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n",
2332 slic_adapter_freeresources(adapter);
2336 if (!adapter->queues_initialized) {
2337 rc = slic_rspqueue_init(adapter);
2340 rc = slic_cmdq_init(adapter);
2343 rc = slic_rcvqueue_init(adapter);
2346 adapter->queues_initialized = 1;
2349 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2352 if (!adapter->isp_initialized) {
2353 unsigned long flags;
2355 pshmem = (struct slic_shmem *)(unsigned long)
2356 adapter->phys_shmem;
2358 spin_lock_irqsave(&adapter->bit64reglock, flags);
2360 #if BITS_PER_LONG == 64
2361 slic_reg32_write(&slic_regs->slic_addr_upper,
2362 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2363 slic_reg32_write(&slic_regs->slic_isp,
2364 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2366 slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
2367 slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr,
2370 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2371 adapter->isp_initialized = 1;
2374 adapter->state = ADAPT_UP;
2375 if (!card->loadtimerset) {
2376 setup_timer(&card->loadtimer, &slic_timer_load_check,
2378 card->loadtimer.expires =
2379 jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
2380 add_timer(&card->loadtimer);
2382 card->loadtimerset = 1;
2385 if (!adapter->pingtimerset) {
2386 setup_timer(&adapter->pingtimer, &slic_timer_ping, (ulong)dev);
2387 adapter->pingtimer.expires =
2388 jiffies + (PING_TIMER_INTERVAL * HZ);
2389 add_timer(&adapter->pingtimer);
2390 adapter->pingtimerset = 1;
2391 adapter->card->pingstatus = ISR_PINGMASK;
2395 * clear any pending events, then enable interrupts
2397 adapter->isrcopy = 0;
2398 adapter->pshmem->isr = 0;
2399 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2400 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
2402 slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
2403 rc = slic_link_event_handler(adapter);
2405 /* disable interrupts then clear pending events */
2406 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2407 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2408 if (adapter->pingtimerset) {
2409 del_timer(&adapter->pingtimer);
2410 adapter->pingtimerset = 0;
2412 if (card->loadtimerset) {
2413 del_timer(&card->loadtimer);
2414 card->loadtimerset = 0;
2416 adapter->state = ADAPT_DOWN;
2417 slic_adapter_freeresources(adapter);
2424 static int slic_entry_open(struct net_device *dev)
2426 struct adapter *adapter = netdev_priv(dev);
2427 struct sliccard *card = adapter->card;
2428 unsigned long flags;
2431 netif_stop_queue(adapter->netdev);
2433 spin_lock_irqsave(&slic_global.driver_lock, flags);
2434 if (!adapter->activated) {
2435 card->adapters_activated++;
2436 slic_global.num_slic_ports_active++;
2437 adapter->activated = 1;
2439 status = slic_if_init(adapter, &flags);
2442 if (adapter->activated) {
2443 card->adapters_activated--;
2444 slic_global.num_slic_ports_active--;
2445 adapter->activated = 0;
2450 card->master = adapter;
2453 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2457 static void slic_card_cleanup(struct sliccard *card)
2459 if (card->loadtimerset) {
2460 card->loadtimerset = 0;
2461 del_timer_sync(&card->loadtimer);
2467 static void slic_entry_remove(struct pci_dev *pcidev)
2469 struct net_device *dev = pci_get_drvdata(pcidev);
2470 struct adapter *adapter = netdev_priv(dev);
2471 struct sliccard *card;
2472 struct mcast_address *mcaddr, *mlist;
2474 unregister_netdev(dev);
2476 slic_adapter_freeresources(adapter);
2477 slic_unmap_mmio_space(adapter);
2479 /* free multicast addresses */
2480 mlist = adapter->mcastaddrs;
2483 mlist = mlist->next;
2486 card = adapter->card;
2487 card->adapters_allocated--;
2488 adapter->allocated = 0;
2489 if (!card->adapters_allocated) {
2490 struct sliccard *curr_card = slic_global.slic_card;
2492 if (curr_card == card) {
2493 slic_global.slic_card = card->next;
2495 while (curr_card->next != card)
2496 curr_card = curr_card->next;
2497 curr_card->next = card->next;
2499 slic_global.num_slic_cards--;
2500 slic_card_cleanup(card);
2503 pci_release_regions(pcidev);
2504 pci_disable_device(pcidev);
2507 static int slic_entry_halt(struct net_device *dev)
2509 struct adapter *adapter = netdev_priv(dev);
2510 struct sliccard *card = adapter->card;
2511 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2512 unsigned long flags;
2514 spin_lock_irqsave(&slic_global.driver_lock, flags);
2515 netif_stop_queue(adapter->netdev);
2516 adapter->state = ADAPT_DOWN;
2517 adapter->linkstate = LINK_DOWN;
2518 adapter->upr_list = NULL;
2519 adapter->upr_busy = 0;
2520 adapter->devflags_prev = 0;
2521 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2522 adapter->all_reg_writes++;
2523 adapter->icr_reg_writes++;
2524 slic_config_clear(adapter);
2525 if (adapter->activated) {
2526 card->adapters_activated--;
2527 slic_global.num_slic_ports_active--;
2528 adapter->activated = 0;
2530 #ifdef AUTOMATIC_RESET
2531 slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH);
2534 * Reset the adapter's cmd queues
2536 slic_cmdq_reset(adapter);
2538 #ifdef AUTOMATIC_RESET
2539 if (!card->adapters_activated)
2540 slic_card_init(card, adapter);
2543 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2547 static struct net_device_stats *slic_get_stats(struct net_device *dev)
2549 struct adapter *adapter = netdev_priv(dev);
2551 dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions;
2552 dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors;
2553 dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors;
2554 dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
2555 dev->stats.tx_heartbeat_errors = 0;
2556 dev->stats.tx_aborted_errors = 0;
2557 dev->stats.tx_window_errors = 0;
2558 dev->stats.tx_fifo_errors = 0;
2559 dev->stats.rx_frame_errors = 0;
2560 dev->stats.rx_length_errors = 0;
2565 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2567 struct adapter *adapter = netdev_priv(dev);
2568 struct ethtool_cmd edata;
2569 struct ethtool_cmd ecmd;
2574 case SIOCSLICSETINTAGG:
2575 if (copy_from_user(data, rq->ifr_data, 28))
2578 dev_err(&dev->dev, "set interrupt aggregation to %d\n",
2580 slic_intagg_set(adapter, intagg);
2584 if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
2587 if (ecmd.cmd == ETHTOOL_GSET) {
2588 memset(&edata, 0, sizeof(edata));
2589 edata.supported = (SUPPORTED_10baseT_Half |
2590 SUPPORTED_10baseT_Full |
2591 SUPPORTED_100baseT_Half |
2592 SUPPORTED_100baseT_Full |
2593 SUPPORTED_Autoneg | SUPPORTED_MII);
2594 edata.port = PORT_MII;
2595 edata.transceiver = XCVR_INTERNAL;
2596 edata.phy_address = 0;
2597 if (adapter->linkspeed == LINK_100MB)
2598 edata.speed = SPEED_100;
2599 else if (adapter->linkspeed == LINK_10MB)
2600 edata.speed = SPEED_10;
2604 if (adapter->linkduplex == LINK_FULLD)
2605 edata.duplex = DUPLEX_FULL;
2607 edata.duplex = DUPLEX_HALF;
2609 edata.autoneg = AUTONEG_ENABLE;
2612 if (copy_to_user(rq->ifr_data, &edata, sizeof(edata)))
2615 } else if (ecmd.cmd == ETHTOOL_SSET) {
2616 if (!capable(CAP_NET_ADMIN))
2619 if (adapter->linkspeed == LINK_100MB)
2620 edata.speed = SPEED_100;
2621 else if (adapter->linkspeed == LINK_10MB)
2622 edata.speed = SPEED_10;
2626 if (adapter->linkduplex == LINK_FULLD)
2627 edata.duplex = DUPLEX_FULL;
2629 edata.duplex = DUPLEX_HALF;
2631 edata.autoneg = AUTONEG_ENABLE;
2634 if ((ecmd.speed != edata.speed) ||
2635 (ecmd.duplex != edata.duplex)) {
2639 if (ecmd.speed == SPEED_10)
2642 speed = PCR_SPEED_100;
2643 if (ecmd.duplex == DUPLEX_FULL)
2644 duplex = PCR_DUPLEX_FULL;
2647 slic_link_config(adapter, speed, duplex);
2648 if (slic_link_event_handler(adapter))
2658 static void slic_config_pci(struct pci_dev *pcidev)
2663 pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
2665 new_command = pci_command | PCI_COMMAND_MASTER
2666 | PCI_COMMAND_MEMORY
2667 | PCI_COMMAND_INVALIDATE
2668 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
2669 if (pci_command != new_command)
2670 pci_write_config_word(pcidev, PCI_COMMAND, new_command);
2673 static int slic_card_init(struct sliccard *card, struct adapter *adapter)
2675 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2676 struct slic_eeprom *peeprom;
2677 struct oslic_eeprom *pOeeprom;
2678 dma_addr_t phys_config;
2682 struct slic_shmem *pshmem;
2684 uint macaddrs = card->card_size;
2689 struct slic_config_mac *pmac;
2690 unsigned char fruformat;
2691 unsigned char oemfruformat;
2692 struct atk_fru *patkfru;
2693 union oemfru *poemfru;
2694 unsigned long flags;
2696 /* Reset everything except PCI configuration space */
2697 slic_soft_reset(adapter);
2699 /* Download the microcode */
2700 status = slic_card_download(adapter);
2704 if (!card->config_set) {
2705 peeprom = pci_alloc_consistent(adapter->pcidev,
2706 sizeof(struct slic_eeprom),
2709 phys_configl = SLIC_GET_ADDR_LOW(phys_config);
2710 phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
2713 dev_err(&adapter->pcidev->dev,
2714 "Failed to allocate DMA memory for EEPROM.\n");
2718 memset(peeprom, 0, sizeof(struct slic_eeprom));
2720 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2722 pshmem = (struct slic_shmem *)(unsigned long)
2723 adapter->phys_shmem;
2725 spin_lock_irqsave(&adapter->bit64reglock, flags);
2726 slic_reg32_write(&slic_regs->slic_addr_upper,
2727 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2728 slic_reg32_write(&slic_regs->slic_isp,
2729 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2730 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2732 status = slic_config_get(adapter, phys_configl, phys_configh);
2734 dev_err(&adapter->pcidev->dev,
2735 "Failed to fetch config data from device.\n");
2740 if (adapter->pshmem->isr) {
2741 if (adapter->pshmem->isr & ISR_UPC) {
2742 adapter->pshmem->isr = 0;
2743 slic_reg64_write(adapter,
2744 &slic_regs->slic_isp, 0,
2745 &slic_regs->slic_addr_upper,
2747 slic_reg32_write(&slic_regs->slic_isr,
2750 slic_upr_request_complete(adapter, 0);
2754 adapter->pshmem->isr = 0;
2755 slic_reg32_write(&slic_regs->slic_isr,
2761 dev_err(&adapter->pcidev->dev,
2762 "Fetch of config data timed out.\n");
2763 slic_reg64_write(adapter,
2764 &slic_regs->slic_isp, 0,
2765 &slic_regs->slic_addr_upper,
2773 switch (adapter->devid) {
2775 case SLIC_2GB_DEVICE_ID:
2776 /* extract EEPROM data and pointers to EEPROM data */
2777 pOeeprom = (struct oslic_eeprom *)peeprom;
2778 eecodesize = pOeeprom->EecodeSize;
2779 dramsize = pOeeprom->DramSize;
2780 pmac = pOeeprom->MacInfo;
2781 fruformat = pOeeprom->FruFormat;
2782 patkfru = &pOeeprom->AtkFru;
2783 oemfruformat = pOeeprom->OemFruFormat;
2784 poemfru = &pOeeprom->OemFru;
2787 * Minor kludge for Oasis card
2788 * get 2 MAC addresses from the
2789 * EEPROM to ensure that function 1
2790 * gets the Port 1 MAC address
2794 /* extract EEPROM data and pointers to EEPROM data */
2795 eecodesize = peeprom->EecodeSize;
2796 dramsize = peeprom->DramSize;
2797 pmac = peeprom->u2.mac.MacInfo;
2798 fruformat = peeprom->FruFormat;
2799 patkfru = &peeprom->AtkFru;
2800 oemfruformat = peeprom->OemFruFormat;
2801 poemfru = &peeprom->OemFru;
2805 card->config.EepromValid = false;
2807 /* see if the EEPROM is valid by checking it's checksum */
2808 if ((eecodesize <= MAX_EECODE_SIZE) &&
2809 (eecodesize >= MIN_EECODE_SIZE)) {
2812 *(u16 *)((char *)peeprom + (eecodesize - 2));
2814 * calculate the EEPROM checksum
2816 calc_chksum = slic_eeprom_cksum(peeprom,
2819 * if the ucdoe chksum flag bit worked,
2820 * we wouldn't need this
2822 if (ee_chksum == calc_chksum)
2823 card->config.EepromValid = true;
2825 /* copy in the DRAM size */
2826 card->config.DramSize = dramsize;
2828 /* copy in the MAC address(es) */
2829 for (i = 0; i < macaddrs; i++) {
2830 memcpy(&card->config.MacInfo[i],
2831 &pmac[i], sizeof(struct slic_config_mac));
2834 /* copy the Alacritech FRU information */
2835 card->config.FruFormat = fruformat;
2836 memcpy(&card->config.AtkFru, patkfru,
2837 sizeof(struct atk_fru));
2839 pci_free_consistent(adapter->pcidev,
2840 sizeof(struct slic_eeprom),
2841 peeprom, phys_config);
2843 if (!card->config.EepromValid) {
2844 slic_reg64_write(adapter, &slic_regs->slic_isp, 0,
2845 &slic_regs->slic_addr_upper,
2847 dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n");
2851 card->config_set = 1;
2854 status = slic_card_download_gbrcv(adapter);
2858 if (slic_global.dynamic_intagg)
2859 slic_intagg_set(adapter, 0);
2861 slic_intagg_set(adapter, intagg_delay);
2864 * Initialize ping status to "ok"
2866 card->pingstatus = ISR_PINGMASK;
2869 * Lastly, mark our card state as up and return success
2871 card->state = CARD_UP;
2872 card->reset_in_progress = 0;
2877 pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom),
2878 peeprom, phys_config);
2882 static void slic_init_driver(void)
2884 if (slic_first_init) {
2885 slic_first_init = 0;
2886 spin_lock_init(&slic_global.driver_lock);
2890 static void slic_init_adapter(struct net_device *netdev,
2891 struct pci_dev *pcidev,
2892 const struct pci_device_id *pci_tbl_entry,
2893 void __iomem *memaddr, int chip_idx)
2896 struct slic_handle *pslic_handle;
2897 struct adapter *adapter = netdev_priv(netdev);
2899 /* adapter->pcidev = pcidev;*/
2900 adapter->vendid = pci_tbl_entry->vendor;
2901 adapter->devid = pci_tbl_entry->device;
2902 adapter->subsysid = pci_tbl_entry->subdevice;
2903 adapter->busnumber = pcidev->bus->number;
2904 adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
2905 adapter->functionnumber = (pcidev->devfn & 0x7);
2906 adapter->slic_regs = memaddr;
2907 adapter->irq = pcidev->irq;
2908 /* adapter->netdev = netdev;*/
2909 adapter->chipid = chip_idx;
2910 adapter->port = 0; /*adapter->functionnumber;*/
2911 adapter->cardindex = adapter->port;
2912 spin_lock_init(&adapter->upr_lock);
2913 spin_lock_init(&adapter->bit64reglock);
2914 spin_lock_init(&adapter->adapter_lock);
2915 spin_lock_init(&adapter->reset_lock);
2916 spin_lock_init(&adapter->handle_lock);
2918 adapter->card_size = 1;
2920 * Initialize slic_handle array
2923 * Start with 1. 0 is an invalid host handle.
2925 for (index = 1, pslic_handle = &adapter->slic_handles[1];
2926 index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
2928 pslic_handle->token.handle_index = index;
2929 pslic_handle->type = SLIC_HANDLE_FREE;
2930 pslic_handle->next = adapter->pfree_slic_handles;
2931 adapter->pfree_slic_handles = pslic_handle;
2933 adapter->pshmem = (struct slic_shmem *)
2934 pci_alloc_consistent(adapter->pcidev,
2935 sizeof(struct slic_shmem),
2938 if (adapter->pshmem)
2939 memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
2942 static const struct net_device_ops slic_netdev_ops = {
2943 .ndo_open = slic_entry_open,
2944 .ndo_stop = slic_entry_halt,
2945 .ndo_start_xmit = slic_xmit_start,
2946 .ndo_do_ioctl = slic_ioctl,
2947 .ndo_set_mac_address = slic_mac_set_address,
2948 .ndo_get_stats = slic_get_stats,
2949 .ndo_set_rx_mode = slic_mcast_set_list,
2950 .ndo_validate_addr = eth_validate_addr,
2951 .ndo_change_mtu = eth_change_mtu,
2954 static u32 slic_card_locate(struct adapter *adapter)
2956 struct sliccard *card = slic_global.slic_card;
2957 struct physcard *physcard = slic_global.phys_card;
2959 u16 __iomem *hostid_reg;
2961 uint rdhostid_offset = 0;
2963 switch (adapter->devid) {
2964 case SLIC_2GB_DEVICE_ID:
2965 rdhostid_offset = SLIC_RDHOSTID_2GB;
2967 case SLIC_1GB_DEVICE_ID:
2968 rdhostid_offset = SLIC_RDHOSTID_1GB;
2975 (u16 __iomem *)(((u8 __iomem *)(adapter->slic_regs)) +
2978 /* read the 16 bit hostid from SRAM */
2979 card_hostid = (ushort)readw(hostid_reg);
2981 /* Initialize a new card structure if need be */
2982 if (card_hostid == SLIC_HOSTID_DEFAULT) {
2983 card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
2987 card->next = slic_global.slic_card;
2988 slic_global.slic_card = card;
2989 card->busnumber = adapter->busnumber;
2990 card->slotnumber = adapter->slotnumber;
2992 /* Find an available cardnum */
2993 for (i = 0; i < SLIC_MAX_CARDS; i++) {
2994 if (slic_global.cardnuminuse[i] == 0) {
2995 slic_global.cardnuminuse[i] = 1;
3000 slic_global.num_slic_cards++;
3002 /* Card exists, find the card this adapter belongs to */
3004 if (card->cardnum == card_hostid)
3012 /* Put the adapter in the card's adapter list */
3013 if (!card->adapter[adapter->port]) {
3014 card->adapter[adapter->port] = adapter;
3015 adapter->card = card;
3018 card->card_size = 1; /* one port per *logical* card */
3021 for (i = 0; i < SLIC_MAX_PORTS; i++) {
3022 if (physcard->adapter[i])
3025 if (i == SLIC_MAX_PORTS)
3028 if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
3030 physcard = physcard->next;
3033 /* no structure allocated for this physical card yet */
3034 physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
3036 if (card_hostid == SLIC_HOSTID_DEFAULT)
3041 physcard->next = slic_global.phys_card;
3042 slic_global.phys_card = physcard;
3043 physcard->adapters_allocd = 1;
3045 physcard->adapters_allocd++;
3047 /* Note - this is ZERO relative */
3048 adapter->physport = physcard->adapters_allocd - 1;
3050 physcard->adapter[adapter->physport] = adapter;
3051 adapter->physcard = physcard;
3056 static int slic_entry_probe(struct pci_dev *pcidev,
3057 const struct pci_device_id *pci_tbl_entry)
3059 static int cards_found;
3060 static int did_version;
3062 struct net_device *netdev;
3063 struct adapter *adapter;
3064 void __iomem *memmapped_ioaddr = NULL;
3065 ulong mmio_start = 0;
3067 struct sliccard *card = NULL;
3068 int pci_using_dac = 0;
3070 slic_global.dynamic_intagg = dynamic_intagg;
3072 err = pci_enable_device(pcidev);
3077 if (did_version++ == 0) {
3078 dev_info(&pcidev->dev, "%s\n", slic_banner);
3079 dev_info(&pcidev->dev, "%s\n", slic_proc_version);
3082 if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
3084 err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
3086 dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n");
3087 goto err_out_disable_pci;
3090 err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
3092 dev_err(&pcidev->dev, "no usable DMA configuration\n");
3093 goto err_out_disable_pci;
3096 pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
3099 err = pci_request_regions(pcidev, DRV_NAME);
3101 dev_err(&pcidev->dev, "can't obtain PCI resources\n");
3102 goto err_out_disable_pci;
3105 pci_set_master(pcidev);
3107 netdev = alloc_etherdev(sizeof(struct adapter));
3110 goto err_out_exit_slic_probe;
3113 SET_NETDEV_DEV(netdev, &pcidev->dev);
3115 pci_set_drvdata(pcidev, netdev);
3116 adapter = netdev_priv(netdev);
3117 adapter->netdev = netdev;
3118 adapter->pcidev = pcidev;
3120 netdev->features |= NETIF_F_HIGHDMA;
3122 mmio_start = pci_resource_start(pcidev, 0);
3123 mmio_len = pci_resource_len(pcidev, 0);
3125 /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
3126 memmapped_ioaddr = ioremap(mmio_start, mmio_len);
3127 if (!memmapped_ioaddr) {
3128 dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n",
3129 mmio_len, mmio_start);
3131 goto err_out_free_netdev;
3134 slic_config_pci(pcidev);
3138 slic_init_adapter(netdev,
3139 pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
3141 err = slic_card_locate(adapter);
3143 dev_err(&pcidev->dev, "cannot locate card\n");
3147 card = adapter->card;
3149 if (!adapter->allocated) {
3150 card->adapters_allocated++;
3151 adapter->allocated = 1;
3154 err = slic_card_init(card, adapter);
3158 slic_adapter_set_hwaddr(adapter);
3160 netdev->base_addr = (unsigned long)memmapped_ioaddr;
3161 netdev->irq = adapter->irq;
3162 netdev->netdev_ops = &slic_netdev_ops;
3164 strcpy(netdev->name, "eth%d");
3165 err = register_netdev(netdev);
3167 dev_err(&pcidev->dev, "Cannot register net device, aborting.\n");
3176 iounmap(memmapped_ioaddr);
3177 err_out_free_netdev:
3178 free_netdev(netdev);
3179 err_out_exit_slic_probe:
3180 pci_release_regions(pcidev);
3181 err_out_disable_pci:
3182 pci_disable_device(pcidev);
3186 static struct pci_driver slic_driver = {
3188 .id_table = slic_pci_tbl,
3189 .probe = slic_entry_probe,
3190 .remove = slic_entry_remove,
3193 static int __init slic_module_init(void)
3197 return pci_register_driver(&slic_driver);
3200 static void __exit slic_module_cleanup(void)
3202 pci_unregister_driver(&slic_driver);
3205 module_init(slic_module_init);
3206 module_exit(slic_module_cleanup);