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 = "slicoss/oasisrcvucode.sys";
403 case SLIC_1GB_DEVICE_ID:
404 file = "slicoss/gbrcvucode.sys";
410 ret = request_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);
458 MODULE_FIRMWARE("slicoss/oasisrcvucode.sys");
459 MODULE_FIRMWARE("slicoss/gbrcvucode.sys");
461 static int slic_card_download(struct adapter *adapter)
463 const struct firmware *fw;
464 const char *file = "";
469 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
476 int ucode_start, index = 0;
478 switch (adapter->devid) {
479 case SLIC_2GB_DEVICE_ID:
480 file = "slicoss/oasisdownload.sys";
482 case SLIC_1GB_DEVICE_ID:
483 file = "slicoss/gbdownload.sys";
488 ret = request_firmware(&fw, file, &adapter->pcidev->dev);
490 dev_err(&adapter->pcidev->dev,
491 "Failed to load firmware %s\n", file);
494 numsects = *(u32 *)(fw->data + index);
496 for (i = 0; i < numsects; i++) {
497 sectsize[i] = *(u32 *)(fw->data + index);
500 for (i = 0; i < numsects; i++) {
501 sectstart[i] = *(u32 *)(fw->data + index);
505 instruction = *(u32 *)(fw->data + index);
507 for (section = 0; section < numsects; section++) {
508 baseaddress = sectstart[section];
509 thissectionsize = sectsize[section] >> 3;
511 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
512 /* Write out instruction address */
513 slic_reg32_write(&slic_regs->slic_wcs,
514 baseaddress + codeaddr, FLUSH);
515 /* Write out instruction to low addr */
516 slic_reg32_write(&slic_regs->slic_wcs,
518 instruction = *(u32 *)(fw->data + index);
521 /* Write out instruction to high addr */
522 slic_reg32_write(&slic_regs->slic_wcs,
524 instruction = *(u32 *)(fw->data + index);
529 for (section = 0; section < numsects; section++) {
530 instruction = *(u32 *)(fw->data + index);
531 baseaddress = sectstart[section];
532 if (baseaddress < 0x8000)
534 thissectionsize = sectsize[section] >> 3;
536 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
537 /* Write out instruction address */
538 slic_reg32_write(&slic_regs->slic_wcs,
539 SLIC_WCS_COMPARE | (baseaddress + codeaddr),
541 /* Write out instruction to low addr */
542 slic_reg32_write(&slic_regs->slic_wcs, instruction,
544 instruction = *(u32 *)(fw->data + index);
546 /* Write out instruction to high addr */
547 slic_reg32_write(&slic_regs->slic_wcs, instruction,
549 instruction = *(u32 *)(fw->data + index);
552 /* Check SRAM location zero. If it is non-zero. Abort.*/
554 * failure = readl((u32 __iomem *)&slic_regs->slic_reset);
556 * release_firmware(fw);
562 release_firmware(fw);
563 /* Everything OK, kick off the card */
565 slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
568 * stall for 20 ms, long enough for ucode to init card
576 MODULE_FIRMWARE("slicoss/oasisdownload.sys");
577 MODULE_FIRMWARE("slicoss/gbdownload.sys");
579 static void slic_adapter_set_hwaddr(struct adapter *adapter)
581 struct sliccard *card = adapter->card;
583 if ((adapter->card) && (card->config_set)) {
584 memcpy(adapter->macaddr,
585 card->config.MacInfo[adapter->functionnumber].macaddrA,
586 sizeof(struct slic_config_mac));
587 if (is_zero_ether_addr(adapter->currmacaddr))
588 memcpy(adapter->currmacaddr, adapter->macaddr,
591 memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
596 static void slic_intagg_set(struct adapter *adapter, u32 value)
598 slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH);
599 adapter->card->loadlevel_current = value;
602 static void slic_soft_reset(struct adapter *adapter)
604 if (adapter->card->state == CARD_UP) {
605 slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH);
609 slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC,
614 static void slic_mac_address_config(struct adapter *adapter)
618 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
620 value = ntohl(*(__be32 *)&adapter->currmacaddr[2]);
621 slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
622 slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
624 value2 = (u32)((adapter->currmacaddr[0] << 8 |
625 adapter->currmacaddr[1]) & 0xFFFF);
627 slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
628 slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
631 * Write our multicast mask out to the card. This is done
632 * here in addition to the slic_mcast_addr_set routine
633 * because ALL_MCAST may have been enabled or disabled
635 slic_mcast_set_mask(adapter);
638 static void slic_mac_config(struct adapter *adapter)
641 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
643 /* Setup GMAC gaps */
644 if (adapter->linkspeed == LINK_1000MB) {
645 value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
646 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
647 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
649 value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
650 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
651 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
655 if (adapter->linkspeed == LINK_1000MB)
658 /* enable fullduplex */
659 if ((adapter->linkduplex == LINK_FULLD)
660 || (adapter->macopts & MAC_LOOPBACK)) {
664 /* write mac config */
665 slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH);
667 /* setup mac addresses */
668 slic_mac_address_config(adapter);
671 static void slic_config_set(struct adapter *adapter, bool linkchange)
675 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
679 slic_mac_config(adapter);
680 RcrReset = GRCR_RESET;
682 slic_mac_address_config(adapter);
686 if (adapter->linkduplex == LINK_FULLD) {
688 value = (GXCR_RESET | /* Always reset */
689 GXCR_XMTEN | /* Enable transmit */
690 GXCR_PAUSEEN); /* Enable pause */
692 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
694 /* Setup rcvcfg last */
695 value = (RcrReset | /* Reset, if linkchange */
696 GRCR_CTLEN | /* Enable CTL frames */
697 GRCR_ADDRAEN | /* Address A enable */
698 GRCR_RCVBAD | /* Rcv bad frames */
699 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
702 value = (GXCR_RESET | /* Always reset */
703 GXCR_XMTEN); /* Enable transmit */
705 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
707 /* Setup rcvcfg last */
708 value = (RcrReset | /* Reset, if linkchange */
709 GRCR_ADDRAEN | /* Address A enable */
710 GRCR_RCVBAD | /* Rcv bad frames */
711 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
714 if (adapter->state != ADAPT_DOWN) {
715 /* Only enable receive if we are restarting or running */
719 if (adapter->macopts & MAC_PROMISC)
720 value |= GRCR_RCVALL;
722 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
726 * Turn off RCV and XMT, power down PHY
728 static void slic_config_clear(struct adapter *adapter)
732 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
735 value = (GXCR_RESET | /* Always reset */
736 GXCR_PAUSEEN); /* Enable pause */
738 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
740 value = (GRCR_RESET | /* Always reset */
741 GRCR_CTLEN | /* Enable CTL frames */
742 GRCR_ADDRAEN | /* Address A enable */
743 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
745 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
748 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
749 slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH);
752 static bool slic_mac_filter(struct adapter *adapter,
753 struct ether_header *ether_frame)
755 struct net_device *netdev = adapter->netdev;
756 u32 opts = adapter->macopts;
758 if (opts & MAC_PROMISC)
761 if (is_broadcast_ether_addr(ether_frame->ether_dhost)) {
762 if (opts & MAC_BCAST) {
763 adapter->rcv_broadcasts++;
770 if (is_multicast_ether_addr(ether_frame->ether_dhost)) {
771 if (opts & MAC_ALLMCAST) {
772 adapter->rcv_multicasts++;
773 netdev->stats.multicast++;
776 if (opts & MAC_MCAST) {
777 struct mcast_address *mcaddr = adapter->mcastaddrs;
780 if (ether_addr_equal(mcaddr->address,
781 ether_frame->ether_dhost)) {
782 adapter->rcv_multicasts++;
783 netdev->stats.multicast++;
786 mcaddr = mcaddr->next;
794 if (opts & MAC_DIRECTED) {
795 adapter->rcv_unicasts++;
802 static int slic_mac_set_address(struct net_device *dev, void *ptr)
804 struct adapter *adapter = netdev_priv(dev);
805 struct sockaddr *addr = ptr;
807 if (netif_running(dev))
812 if (!is_valid_ether_addr(addr->sa_data))
815 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
816 memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
818 slic_config_set(adapter, true);
822 static void slic_timer_load_check(ulong cardaddr)
824 struct sliccard *card = (struct sliccard *)cardaddr;
825 struct adapter *adapter = card->master;
827 u32 load = card->events;
830 if ((adapter) && (adapter->state == ADAPT_UP) &&
831 (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
832 intagg = &adapter->slic_regs->slic_intagg;
833 if (adapter->devid == SLIC_1GB_DEVICE_ID) {
834 if (adapter->linkspeed == LINK_1000MB)
837 if (load > SLIC_LOAD_5)
838 level = SLIC_INTAGG_5;
839 else if (load > SLIC_LOAD_4)
840 level = SLIC_INTAGG_4;
841 else if (load > SLIC_LOAD_3)
842 level = SLIC_INTAGG_3;
843 else if (load > SLIC_LOAD_2)
844 level = SLIC_INTAGG_2;
845 else if (load > SLIC_LOAD_1)
846 level = SLIC_INTAGG_1;
848 level = SLIC_INTAGG_0;
850 if (card->loadlevel_current != level) {
851 card->loadlevel_current = level;
852 slic_reg32_write(intagg, level, FLUSH);
855 if (load > SLIC_LOAD_5)
856 level = SLIC_INTAGG_5;
857 else if (load > SLIC_LOAD_4)
858 level = SLIC_INTAGG_4;
859 else if (load > SLIC_LOAD_3)
860 level = SLIC_INTAGG_3;
861 else if (load > SLIC_LOAD_2)
862 level = SLIC_INTAGG_2;
863 else if (load > SLIC_LOAD_1)
864 level = SLIC_INTAGG_1;
866 level = SLIC_INTAGG_0;
867 if (card->loadlevel_current != level) {
868 card->loadlevel_current = level;
869 slic_reg32_write(intagg, level, FLUSH);
874 card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
875 add_timer(&card->loadtimer);
878 static int slic_upr_queue_request(struct adapter *adapter,
882 u32 upr_buffer, u32 upr_buffer_h)
884 struct slic_upr *upr;
885 struct slic_upr *uprqueue;
887 upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
891 upr->adapter = adapter->port;
892 upr->upr_request = upr_request;
893 upr->upr_data = upr_data;
894 upr->upr_buffer = upr_buffer;
895 upr->upr_data_h = upr_data_h;
896 upr->upr_buffer_h = upr_buffer_h;
898 if (adapter->upr_list) {
899 uprqueue = adapter->upr_list;
901 while (uprqueue->next)
902 uprqueue = uprqueue->next;
903 uprqueue->next = upr;
905 adapter->upr_list = upr;
910 static void slic_upr_start(struct adapter *adapter)
912 struct slic_upr *upr;
913 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
919 upr = adapter->upr_list;
922 if (adapter->upr_busy)
924 adapter->upr_busy = 1;
926 switch (upr->upr_request) {
928 if (upr->upr_data_h == 0) {
929 slic_reg32_write(&slic_regs->slic_stats, upr->upr_data,
932 slic_reg64_write(adapter, &slic_regs->slic_stats64,
934 &slic_regs->slic_addr_upper,
935 upr->upr_data_h, FLUSH);
940 slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data,
941 &slic_regs->slic_addr_upper, upr->upr_data_h,
945 case SLIC_UPR_RCONFIG:
946 slic_reg64_write(adapter, &slic_regs->slic_rconfig,
947 upr->upr_data, &slic_regs->slic_addr_upper,
948 upr->upr_data_h, FLUSH);
951 slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH);
956 static int slic_upr_request(struct adapter *adapter,
960 u32 upr_buffer, u32 upr_buffer_h)
965 spin_lock_irqsave(&adapter->upr_lock, flags);
966 rc = slic_upr_queue_request(adapter,
969 upr_data_h, upr_buffer, upr_buffer_h);
973 slic_upr_start(adapter);
975 spin_unlock_irqrestore(&adapter->upr_lock, flags);
979 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
981 u32 linkstatus = adapter->pshmem->linkstatus;
983 unsigned char linkspeed;
984 unsigned char linkduplex;
986 if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
987 struct slic_shmem *pshmem;
989 pshmem = (struct slic_shmem *)(unsigned long)
991 #if BITS_PER_LONG == 64
992 slic_upr_queue_request(adapter,
994 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
995 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
998 slic_upr_queue_request(adapter,
1000 (u32)&pshmem->linkstatus,
1001 SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
1005 if (adapter->state != ADAPT_UP)
1008 linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
1009 if (linkstatus & GIG_SPEED_1000)
1010 linkspeed = LINK_1000MB;
1011 else if (linkstatus & GIG_SPEED_100)
1012 linkspeed = LINK_100MB;
1014 linkspeed = LINK_10MB;
1016 if (linkstatus & GIG_FULLDUPLEX)
1017 linkduplex = LINK_FULLD;
1019 linkduplex = LINK_HALFD;
1021 if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN))
1024 /* link up event, but nothing has changed */
1025 if ((adapter->linkstate == LINK_UP) &&
1026 (linkup == LINK_UP) &&
1027 (adapter->linkspeed == linkspeed) &&
1028 (adapter->linkduplex == linkduplex))
1031 /* link has changed at this point */
1033 /* link has gone from up to down */
1034 if (linkup == LINK_DOWN) {
1035 adapter->linkstate = LINK_DOWN;
1039 /* link has gone from down to up */
1040 adapter->linkspeed = linkspeed;
1041 adapter->linkduplex = linkduplex;
1043 if (adapter->linkstate != LINK_UP) {
1045 slic_config_set(adapter, true);
1046 adapter->linkstate = LINK_UP;
1047 netif_start_queue(adapter->netdev);
1051 static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
1053 struct sliccard *card = adapter->card;
1054 struct slic_upr *upr;
1055 unsigned long flags;
1057 spin_lock_irqsave(&adapter->upr_lock, flags);
1058 upr = adapter->upr_list;
1060 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1063 adapter->upr_list = upr->next;
1065 adapter->upr_busy = 0;
1066 switch (upr->upr_request) {
1067 case SLIC_UPR_STATS:
1069 struct slic_stats *slicstats =
1070 (struct slic_stats *)&adapter->pshmem->inicstats;
1071 struct slic_stats *newstats = slicstats;
1072 struct slic_stats *old = &adapter->inicstats_prev;
1073 struct slicnet_stats *stst = &adapter->slic_stats;
1075 if (isr & ISR_UPCERR) {
1076 dev_err(&adapter->netdev->dev,
1077 "SLIC_UPR_STATS command failed isr[%x]\n",
1082 UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
1083 newstats->xmit_tcp_segs_gb,
1084 old->xmit_tcp_segs_gb);
1086 UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
1087 newstats->xmit_tcp_bytes_gb,
1088 old->xmit_tcp_bytes_gb);
1090 UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
1091 newstats->rcv_tcp_segs_gb,
1092 old->rcv_tcp_segs_gb);
1094 UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
1095 newstats->rcv_tcp_bytes_gb,
1096 old->rcv_tcp_bytes_gb);
1098 UPDATE_STATS_GB(stst->iface.xmt_bytes,
1099 newstats->xmit_bytes_gb,
1100 old->xmit_bytes_gb);
1102 UPDATE_STATS_GB(stst->iface.xmt_ucast,
1103 newstats->xmit_unicasts_gb,
1104 old->xmit_unicasts_gb);
1106 UPDATE_STATS_GB(stst->iface.rcv_bytes,
1107 newstats->rcv_bytes_gb,
1110 UPDATE_STATS_GB(stst->iface.rcv_ucast,
1111 newstats->rcv_unicasts_gb,
1112 old->rcv_unicasts_gb);
1114 UPDATE_STATS_GB(stst->iface.xmt_errors,
1115 newstats->xmit_collisions_gb,
1116 old->xmit_collisions_gb);
1118 UPDATE_STATS_GB(stst->iface.xmt_errors,
1119 newstats->xmit_excess_collisions_gb,
1120 old->xmit_excess_collisions_gb);
1122 UPDATE_STATS_GB(stst->iface.xmt_errors,
1123 newstats->xmit_other_error_gb,
1124 old->xmit_other_error_gb);
1126 UPDATE_STATS_GB(stst->iface.rcv_errors,
1127 newstats->rcv_other_error_gb,
1128 old->rcv_other_error_gb);
1130 UPDATE_STATS_GB(stst->iface.rcv_discards,
1131 newstats->rcv_drops_gb,
1134 if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
1135 adapter->rcv_drops +=
1136 (newstats->rcv_drops_gb -
1139 memcpy(old, newstats, sizeof(struct slic_stats));
1143 slic_link_upr_complete(adapter, isr);
1145 case SLIC_UPR_RCONFIG:
1148 card->pingstatus |= (isr & ISR_PINGDSMASK);
1152 slic_upr_start(adapter);
1153 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1156 static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
1158 return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h,
1163 * Compute a checksum of the EEPROM according to RFC 1071.
1165 static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
1171 checksum += *(wp++);
1176 checksum += *(u8 *)wp;
1178 while (checksum >> 16)
1179 checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
1184 static void slic_rspqueue_free(struct adapter *adapter)
1187 struct slic_rspqueue *rspq = &adapter->rspqueue;
1189 for (i = 0; i < rspq->num_pages; i++) {
1190 if (rspq->vaddr[i]) {
1191 pci_free_consistent(adapter->pcidev, PAGE_SIZE,
1192 rspq->vaddr[i], rspq->paddr[i]);
1194 rspq->vaddr[i] = NULL;
1198 rspq->pageindex = 0;
1199 rspq->rspbuf = NULL;
1202 static int slic_rspqueue_init(struct adapter *adapter)
1205 struct slic_rspqueue *rspq = &adapter->rspqueue;
1206 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
1209 memset(rspq, 0, sizeof(struct slic_rspqueue));
1211 rspq->num_pages = SLIC_RSPQ_PAGES_GB;
1213 for (i = 0; i < rspq->num_pages; i++) {
1214 rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
1217 if (!rspq->vaddr[i]) {
1218 dev_err(&adapter->pcidev->dev,
1219 "pci_alloc_consistent failed\n");
1220 slic_rspqueue_free(adapter);
1225 slic_reg32_write(&slic_regs->slic_rbar,
1226 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1229 slic_reg64_write(adapter, &slic_regs->slic_rbar64,
1230 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1231 &slic_regs->slic_addr_upper,
1232 paddrh, DONT_FLUSH);
1236 rspq->pageindex = 0;
1237 rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
1241 static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
1243 struct slic_rspqueue *rspq = &adapter->rspqueue;
1244 struct slic_rspbuf *buf;
1246 if (!(rspq->rspbuf->status))
1250 if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
1253 slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64,
1254 (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
1255 &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
1256 rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages;
1258 rspq->rspbuf = (struct slic_rspbuf *)
1259 rspq->vaddr[rspq->pageindex];
1265 static void slic_cmdqmem_free(struct adapter *adapter)
1267 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1270 for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
1271 if (cmdqmem->pages[i]) {
1272 pci_free_consistent(adapter->pcidev,
1274 (void *)cmdqmem->pages[i],
1275 cmdqmem->dma_pages[i]);
1278 memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
1281 static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
1283 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1286 if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
1288 pageaddr = pci_alloc_consistent(adapter->pcidev,
1290 &cmdqmem->dma_pages[cmdqmem->pagecnt]);
1294 cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
1299 static void slic_cmdq_free(struct adapter *adapter)
1301 struct slic_hostcmd *cmd;
1303 cmd = adapter->cmdq_all.head;
1306 struct sk_buff *tempskb;
1311 dev_kfree_skb_irq(tempskb);
1314 cmd = cmd->next_all;
1316 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1317 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1318 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1319 slic_cmdqmem_free(adapter);
1322 static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
1324 struct slic_hostcmd *cmd;
1325 struct slic_hostcmd *prev;
1326 struct slic_hostcmd *tail;
1327 struct slic_cmdqueue *cmdq;
1333 struct slic_handle *pslic_handle;
1334 unsigned long flags;
1340 phys_addr = virt_to_bus((void *)page);
1341 phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
1342 phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
1346 while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
1347 (adapter->slic_handle_ix < 256)) {
1348 /* Allocate and initialize a SLIC_HANDLE for this command */
1349 spin_lock_irqsave(&adapter->handle_lock, flags);
1350 pslic_handle = adapter->pfree_slic_handles;
1351 adapter->pfree_slic_handles = pslic_handle->next;
1352 spin_unlock_irqrestore(&adapter->handle_lock, flags);
1353 pslic_handle->type = SLIC_HANDLE_CMD;
1354 pslic_handle->address = (void *)cmd;
1355 pslic_handle->offset = (ushort)adapter->slic_handle_ix++;
1356 pslic_handle->other_handle = NULL;
1357 pslic_handle->next = NULL;
1359 cmd->pslic_handle = pslic_handle;
1360 cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
1362 cmd->paddrl = phys_addrl;
1363 cmd->paddrh = phys_addrh;
1364 cmd->next_all = prev;
1367 phys_addrl += SLIC_HOSTCMD_SIZE;
1368 cmdaddr += SLIC_HOSTCMD_SIZE;
1374 cmdq = &adapter->cmdq_all;
1375 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1376 tail->next_all = cmdq->head;
1378 cmdq = &adapter->cmdq_free;
1379 spin_lock_irqsave(&cmdq->lock, flags);
1380 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1381 tail->next = cmdq->head;
1383 spin_unlock_irqrestore(&cmdq->lock, flags);
1386 static int slic_cmdq_init(struct adapter *adapter)
1391 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1392 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1393 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1394 spin_lock_init(&adapter->cmdq_all.lock);
1395 spin_lock_init(&adapter->cmdq_free.lock);
1396 spin_lock_init(&adapter->cmdq_done.lock);
1397 memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
1398 adapter->slic_handle_ix = 1;
1399 for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
1400 pageaddr = slic_cmdqmem_addpage(adapter);
1402 slic_cmdq_free(adapter);
1405 slic_cmdq_addcmdpage(adapter, pageaddr);
1407 adapter->slic_handle_ix = 1;
1412 static void slic_cmdq_reset(struct adapter *adapter)
1414 struct slic_hostcmd *hcmd;
1415 struct sk_buff *skb;
1417 unsigned long flags;
1419 spin_lock_irqsave(&adapter->cmdq_free.lock, flags);
1420 spin_lock(&adapter->cmdq_done.lock);
1421 outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
1422 outstanding -= adapter->cmdq_free.count;
1423 hcmd = adapter->cmdq_all.head;
1429 dev_kfree_skb_irq(skb);
1431 hcmd = hcmd->next_all;
1433 adapter->cmdq_free.count = 0;
1434 adapter->cmdq_free.head = NULL;
1435 adapter->cmdq_free.tail = NULL;
1436 adapter->cmdq_done.count = 0;
1437 adapter->cmdq_done.head = NULL;
1438 adapter->cmdq_done.tail = NULL;
1439 adapter->cmdq_free.head = adapter->cmdq_all.head;
1440 hcmd = adapter->cmdq_all.head;
1442 adapter->cmdq_free.count++;
1443 hcmd->next = hcmd->next_all;
1444 hcmd = hcmd->next_all;
1446 if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
1447 dev_err(&adapter->netdev->dev,
1448 "free_count %d != all count %d\n",
1449 adapter->cmdq_free.count, adapter->cmdq_all.count);
1451 spin_unlock(&adapter->cmdq_done.lock);
1452 spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags);
1455 static void slic_cmdq_getdone(struct adapter *adapter)
1457 struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
1458 struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
1459 unsigned long flags;
1461 spin_lock_irqsave(&done_cmdq->lock, flags);
1463 free_cmdq->head = done_cmdq->head;
1464 free_cmdq->count = done_cmdq->count;
1465 done_cmdq->head = NULL;
1466 done_cmdq->tail = NULL;
1467 done_cmdq->count = 0;
1468 spin_unlock_irqrestore(&done_cmdq->lock, flags);
1471 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
1473 struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
1474 struct slic_hostcmd *cmd = NULL;
1475 unsigned long flags;
1478 spin_lock_irqsave(&cmdq->lock, flags);
1482 cmdq->head = cmd->next;
1484 spin_unlock_irqrestore(&cmdq->lock, flags);
1486 slic_cmdq_getdone(adapter);
1493 spin_unlock_irqrestore(&cmdq->lock, flags);
1494 pageaddr = slic_cmdqmem_addpage(adapter);
1496 slic_cmdq_addcmdpage(adapter, pageaddr);
1497 goto lock_and_retry;
1504 static void slic_cmdq_putdone_irq(struct adapter *adapter,
1505 struct slic_hostcmd *cmd)
1507 struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
1509 spin_lock(&cmdq->lock);
1511 cmd->next = cmdq->head;
1514 if ((adapter->xmitq_full) && (cmdq->count > 10))
1515 netif_wake_queue(adapter->netdev);
1516 spin_unlock(&cmdq->lock);
1519 static int slic_rcvqueue_fill(struct adapter *adapter)
1524 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1526 struct device *dev = &adapter->netdev->dev;
1528 while (i < SLIC_RCVQ_FILLENTRIES) {
1529 struct slic_rcvbuf *rcvbuf;
1530 struct sk_buff *skb;
1531 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1534 skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
1536 paddr = (void *)(unsigned long)
1537 pci_map_single(adapter->pcidev,
1539 SLIC_RCVQ_RCVBUFSIZE,
1540 PCI_DMA_FROMDEVICE);
1541 paddrl = SLIC_GET_ADDR_LOW(paddr);
1542 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1544 skb->len = SLIC_RCVBUF_HEADSIZE;
1545 rcvbuf = (struct slic_rcvbuf *)skb->head;
1548 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1550 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1552 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1553 dev_err(dev, " skbdata[%p]\n",
1555 dev_err(dev, " skblen[%x]\n", skb->len);
1556 dev_err(dev, " paddr[%p]\n", paddr);
1557 dev_err(dev, " paddrl[%x]\n", paddrl);
1558 dev_err(dev, " paddrh[%x]\n", paddrh);
1559 dev_err(dev, " rcvq->head[%p]\n",
1561 dev_err(dev, " rcvq->tail[%p]\n",
1563 dev_err(dev, " rcvq->count[%x]\n",
1565 dev_err(dev, "SKIP THIS SKB!!!!!!!!\n");
1566 goto retry_rcvqfill;
1570 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1572 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1573 dev_err(dev, " skbdata[%p]\n",
1575 dev_err(dev, " skblen[%x]\n", skb->len);
1576 dev_err(dev, " paddr[%p]\n", paddr);
1577 dev_err(dev, " paddrl[%x]\n", paddrl);
1578 dev_err(dev, " paddrh[%x]\n", paddrh);
1579 dev_err(dev, " rcvq->head[%p]\n",
1581 dev_err(dev, " rcvq->tail[%p]\n",
1583 dev_err(dev, " rcvq->count[%x]\n",
1585 dev_err(dev, "GIVE TO CARD ANYWAY\n");
1589 slic_reg32_write(&adapter->slic_regs->slic_hbar,
1590 (u32)paddrl, DONT_FLUSH);
1592 slic_reg64_write(adapter,
1593 &adapter->slic_regs->slic_hbar64,
1595 &adapter->slic_regs->slic_addr_upper,
1596 paddrh, DONT_FLUSH);
1599 rcvq->tail->next = skb;
1606 dev_err(&adapter->netdev->dev,
1607 "slic_rcvqueue_fill could only get [%d] skbuffs\n",
1615 static void slic_rcvqueue_free(struct adapter *adapter)
1617 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1618 struct sk_buff *skb;
1620 while (rcvq->head) {
1622 rcvq->head = rcvq->head->next;
1630 static int slic_rcvqueue_init(struct adapter *adapter)
1633 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1637 rcvq->size = SLIC_RCVQ_ENTRIES;
1640 i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES;
1643 count += slic_rcvqueue_fill(adapter);
1646 if (rcvq->count < SLIC_RCVQ_MINENTRIES) {
1647 slic_rcvqueue_free(adapter);
1653 static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter)
1655 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1656 struct sk_buff *skb;
1657 struct slic_rcvbuf *rcvbuf;
1662 rcvbuf = (struct slic_rcvbuf *)skb->head;
1664 if (rcvbuf->status & IRHDDR_SVALID) {
1665 rcvq->head = rcvq->head->next;
1672 dev_err(&adapter->netdev->dev,
1673 "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count);
1676 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
1677 count = slic_rcvqueue_fill(adapter);
1686 static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
1688 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1692 struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
1695 paddr = (void *)(unsigned long)
1696 pci_map_single(adapter->pcidev, skb->head,
1697 SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
1701 paddrl = SLIC_GET_ADDR_LOW(paddr);
1702 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1705 dev = &adapter->netdev->dev;
1706 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1708 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1709 dev_err(dev, " skbdata[%p]\n", skb->data);
1710 dev_err(dev, " skblen[%x]\n", skb->len);
1711 dev_err(dev, " paddr[%p]\n", paddr);
1712 dev_err(dev, " paddrl[%x]\n", paddrl);
1713 dev_err(dev, " paddrh[%x]\n", paddrh);
1714 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1715 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1716 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
1719 slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl,
1722 slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64,
1723 paddrl, &adapter->slic_regs->slic_addr_upper,
1724 paddrh, DONT_FLUSH);
1727 rcvq->tail->next = skb;
1736 * slic_link_event_handler -
1738 * Initiate a link configuration sequence. The link configuration begins
1739 * by issuing a READ_LINK_STATUS command to the Utility Processor on the
1740 * SLIC. Since the command finishes asynchronously, the slic_upr_comlete
1741 * routine will follow it up witha UP configuration write command, which
1742 * will also complete asynchronously.
1745 static int slic_link_event_handler(struct adapter *adapter)
1748 struct slic_shmem *pshmem;
1750 if (adapter->state != ADAPT_UP) {
1751 /* Adapter is not operational. Ignore. */
1755 pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
1757 #if BITS_PER_LONG == 64
1758 status = slic_upr_request(adapter,
1760 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
1761 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
1764 status = slic_upr_request(adapter, SLIC_UPR_RLSR,
1765 (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
1771 static void slic_init_cleanup(struct adapter *adapter)
1773 if (adapter->intrregistered) {
1774 adapter->intrregistered = 0;
1775 free_irq(adapter->netdev->irq, adapter->netdev);
1778 if (adapter->pshmem) {
1779 pci_free_consistent(adapter->pcidev,
1780 sizeof(struct slic_shmem),
1781 adapter->pshmem, adapter->phys_shmem);
1782 adapter->pshmem = NULL;
1783 adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
1786 if (adapter->pingtimerset) {
1787 adapter->pingtimerset = 0;
1788 del_timer(&adapter->pingtimer);
1791 slic_rspqueue_free(adapter);
1792 slic_cmdq_free(adapter);
1793 slic_rcvqueue_free(adapter);
1797 * Allocate a mcast_address structure to hold the multicast address.
1800 static int slic_mcast_add_list(struct adapter *adapter, char *address)
1802 struct mcast_address *mcaddr, *mlist;
1804 /* Check to see if it already exists */
1805 mlist = adapter->mcastaddrs;
1807 if (ether_addr_equal(mlist->address, address))
1809 mlist = mlist->next;
1812 /* Doesn't already exist. Allocate a structure to hold it */
1813 mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
1817 ether_addr_copy(mcaddr->address, address);
1819 mcaddr->next = adapter->mcastaddrs;
1820 adapter->mcastaddrs = mcaddr;
1825 static void slic_mcast_set_list(struct net_device *dev)
1827 struct adapter *adapter = netdev_priv(dev);
1830 struct netdev_hw_addr *ha;
1832 netdev_for_each_mc_addr(ha, dev) {
1833 addresses = (char *)&ha->addr;
1834 status = slic_mcast_add_list(adapter, addresses);
1837 slic_mcast_set_bit(adapter, addresses);
1840 if (adapter->devflags_prev != dev->flags) {
1841 adapter->macopts = MAC_DIRECTED;
1843 if (dev->flags & IFF_BROADCAST)
1844 adapter->macopts |= MAC_BCAST;
1845 if (dev->flags & IFF_PROMISC)
1846 adapter->macopts |= MAC_PROMISC;
1847 if (dev->flags & IFF_ALLMULTI)
1848 adapter->macopts |= MAC_ALLMCAST;
1849 if (dev->flags & IFF_MULTICAST)
1850 adapter->macopts |= MAC_MCAST;
1852 adapter->devflags_prev = dev->flags;
1853 slic_config_set(adapter, true);
1856 slic_mcast_set_mask(adapter);
1860 #define XMIT_FAIL_LINK_STATE 1
1861 #define XMIT_FAIL_ZERO_LENGTH 2
1862 #define XMIT_FAIL_HOSTCMD_FAIL 3
1864 static void slic_xmit_build_request(struct adapter *adapter,
1865 struct slic_hostcmd *hcmd, struct sk_buff *skb)
1867 struct slic_host64_cmd *ihcmd;
1870 ihcmd = &hcmd->cmd64;
1872 ihcmd->flags = adapter->port << IHFLG_IFSHFT;
1873 ihcmd->command = IHCMD_XMT_REQ;
1874 ihcmd->u.slic_buffers.totlen = skb->len;
1875 phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
1877 ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
1878 ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
1879 ihcmd->u.slic_buffers.bufs[0].length = skb->len;
1880 #if BITS_PER_LONG == 64
1881 hcmd->cmdsize = (u32)((((u64)&ihcmd->u.slic_buffers.bufs[1] -
1882 (u64)hcmd) + 31) >> 5);
1884 hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] -
1885 (u32)hcmd) + 31) >> 5;
1889 static void slic_xmit_fail(struct adapter *adapter,
1890 struct sk_buff *skb,
1891 void *cmd, u32 skbtype, u32 status)
1893 if (adapter->xmitq_full)
1894 netif_stop_queue(adapter->netdev);
1895 if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
1897 case XMIT_FAIL_LINK_STATE:
1898 dev_err(&adapter->netdev->dev,
1899 "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n",
1901 SLIC_LINKSTATE(adapter->linkstate),
1902 SLIC_ADAPTER_STATE(adapter->state),
1904 SLIC_CARD_STATE(adapter->card->state),
1905 adapter->card->state);
1907 case XMIT_FAIL_ZERO_LENGTH:
1908 dev_err(&adapter->netdev->dev,
1909 "xmit_start skb->len == 0 skb[%p] type[%x]\n",
1910 skb, skb->pkt_type);
1912 case XMIT_FAIL_HOSTCMD_FAIL:
1913 dev_err(&adapter->netdev->dev,
1914 "xmit_start skb[%p] type[%x] No host commands available\n",
1915 skb, skb->pkt_type);
1920 adapter->netdev->stats.tx_dropped++;
1923 static void slic_rcv_handle_error(struct adapter *adapter,
1924 struct slic_rcvbuf *rcvbuf)
1926 struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
1927 struct net_device *netdev = adapter->netdev;
1929 if (adapter->devid != SLIC_1GB_DEVICE_ID) {
1930 if (hdr->frame_status14 & VRHSTAT_802OE)
1931 adapter->if_events.oflow802++;
1932 if (hdr->frame_status14 & VRHSTAT_TPOFLO)
1933 adapter->if_events.Tprtoflow++;
1934 if (hdr->frame_status_b14 & VRHSTATB_802UE)
1935 adapter->if_events.uflow802++;
1936 if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
1937 adapter->if_events.rcvearly++;
1938 netdev->stats.rx_fifo_errors++;
1940 if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
1941 adapter->if_events.Bufov++;
1942 netdev->stats.rx_over_errors++;
1944 if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
1945 adapter->if_events.Carre++;
1946 netdev->stats.tx_carrier_errors++;
1948 if (hdr->frame_status_b14 & VRHSTATB_LONGE)
1949 adapter->if_events.Longe++;
1950 if (hdr->frame_status_b14 & VRHSTATB_PREA)
1951 adapter->if_events.Invp++;
1952 if (hdr->frame_status_b14 & VRHSTATB_CRC) {
1953 adapter->if_events.Crc++;
1954 netdev->stats.rx_crc_errors++;
1956 if (hdr->frame_status_b14 & VRHSTATB_DRBL)
1957 adapter->if_events.Drbl++;
1958 if (hdr->frame_status_b14 & VRHSTATB_CODE)
1959 adapter->if_events.Code++;
1960 if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
1961 adapter->if_events.TpCsum++;
1962 if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
1963 adapter->if_events.TpHlen++;
1964 if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
1965 adapter->if_events.IpCsum++;
1966 if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
1967 adapter->if_events.IpLen++;
1968 if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
1969 adapter->if_events.IpHlen++;
1971 if (hdr->frame_statusGB & VGBSTAT_XPERR) {
1972 u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
1974 if (xerr == VGBSTAT_XCSERR)
1975 adapter->if_events.TpCsum++;
1976 if (xerr == VGBSTAT_XUFLOW)
1977 adapter->if_events.Tprtoflow++;
1978 if (xerr == VGBSTAT_XHLEN)
1979 adapter->if_events.TpHlen++;
1981 if (hdr->frame_statusGB & VGBSTAT_NETERR) {
1984 frame_statusGB >> VGBSTAT_NERRSHFT) &
1986 if (nerr == VGBSTAT_NCSERR)
1987 adapter->if_events.IpCsum++;
1988 if (nerr == VGBSTAT_NUFLOW)
1989 adapter->if_events.IpLen++;
1990 if (nerr == VGBSTAT_NHLEN)
1991 adapter->if_events.IpHlen++;
1993 if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
1994 u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
1996 if (lerr == VGBSTAT_LDEARLY)
1997 adapter->if_events.rcvearly++;
1998 if (lerr == VGBSTAT_LBOFLO)
1999 adapter->if_events.Bufov++;
2000 if (lerr == VGBSTAT_LCODERR)
2001 adapter->if_events.Code++;
2002 if (lerr == VGBSTAT_LDBLNBL)
2003 adapter->if_events.Drbl++;
2004 if (lerr == VGBSTAT_LCRCERR)
2005 adapter->if_events.Crc++;
2006 if (lerr == VGBSTAT_LOFLO)
2007 adapter->if_events.oflow802++;
2008 if (lerr == VGBSTAT_LUFLO)
2009 adapter->if_events.uflow802++;
2014 #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000
2015 #define M_FAST_PATH 0x0040
2017 static void slic_rcv_handler(struct adapter *adapter)
2019 struct net_device *netdev = adapter->netdev;
2020 struct sk_buff *skb;
2021 struct slic_rcvbuf *rcvbuf;
2024 while ((skb = slic_rcvqueue_getnext(adapter))) {
2027 rcvbuf = (struct slic_rcvbuf *)skb->head;
2028 adapter->card->events++;
2029 if (rcvbuf->status & IRHDDR_ERR) {
2030 adapter->rx_errors++;
2031 slic_rcv_handle_error(adapter, rcvbuf);
2032 slic_rcvqueue_reinsert(adapter, skb);
2036 if (!slic_mac_filter(adapter, (struct ether_header *)
2038 slic_rcvqueue_reinsert(adapter, skb);
2041 skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
2042 rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
2043 skb_put(skb, rx_bytes);
2044 netdev->stats.rx_packets++;
2045 netdev->stats.rx_bytes += rx_bytes;
2046 #if SLIC_OFFLOAD_IP_CHECKSUM
2047 skb->ip_summed = CHECKSUM_UNNECESSARY;
2050 skb->dev = adapter->netdev;
2051 skb->protocol = eth_type_trans(skb, skb->dev);
2055 #if SLIC_INTERRUPT_PROCESS_LIMIT
2056 if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
2057 adapter->rcv_interrupt_yields++;
2062 adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
2065 static void slic_xmit_complete(struct adapter *adapter)
2067 struct slic_hostcmd *hcmd;
2068 struct slic_rspbuf *rspbuf;
2070 struct slic_handle_word slic_handle_word;
2073 rspbuf = slic_rspqueue_getnext(adapter);
2076 adapter->xmit_completes++;
2077 adapter->card->events++;
2079 * Get the complete host command buffer
2081 slic_handle_word.handle_token = rspbuf->hosthandle;
2083 adapter->slic_handles[slic_handle_word.handle_index].
2085 /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
2086 if (hcmd->type == SLIC_CMD_DUMB) {
2088 dev_kfree_skb_irq(hcmd->skb);
2089 slic_cmdq_putdone_irq(adapter, hcmd);
2092 rspbuf->hosthandle = 0;
2095 adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
2098 static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
2099 struct net_device *dev)
2101 if (isr & ~ISR_IO) {
2102 if (isr & ISR_ERR) {
2103 adapter->error_interrupts++;
2104 if (isr & ISR_RMISS) {
2109 struct slic_rcvqueue *rcvq =
2112 adapter->error_rmiss_interrupts++;
2115 rcv_count = rcvq->count;
2116 pre_count = rcvq->count;
2117 errors = rcvq->errors;
2119 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
2120 count = slic_rcvqueue_fill(adapter);
2124 } else if (isr & ISR_XDROP) {
2126 "isr & ISR_ERR [%x] ISR_XDROP\n",
2130 "isr & ISR_ERR [%x]\n",
2135 if (isr & ISR_LEVENT) {
2136 adapter->linkevent_interrupts++;
2137 if (slic_link_event_handler(adapter))
2138 adapter->linkevent_interrupts--;
2141 if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
2142 (isr & ISR_UPCBSY)) {
2143 adapter->upr_interrupts++;
2144 slic_upr_request_complete(adapter, isr);
2148 if (isr & ISR_RCV) {
2149 adapter->rcv_interrupts++;
2150 slic_rcv_handler(adapter);
2153 if (isr & ISR_CMD) {
2154 adapter->xmit_interrupts++;
2155 slic_xmit_complete(adapter);
2159 static irqreturn_t slic_interrupt(int irq, void *dev_id)
2161 struct net_device *dev = dev_id;
2162 struct adapter *adapter = netdev_priv(dev);
2165 if ((adapter->pshmem) && (adapter->pshmem->isr)) {
2166 slic_reg32_write(&adapter->slic_regs->slic_icr,
2167 ICR_INT_MASK, FLUSH);
2168 isr = adapter->isrcopy = adapter->pshmem->isr;
2169 adapter->pshmem->isr = 0;
2170 adapter->num_isrs++;
2171 switch (adapter->card->state) {
2173 slic_interrupt_card_up(isr, adapter, dev);
2177 if ((isr & ISR_UPC) ||
2178 (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
2179 adapter->upr_interrupts++;
2180 slic_upr_request_complete(adapter, isr);
2185 adapter->isrcopy = 0;
2186 adapter->all_reg_writes += 2;
2187 adapter->isr_reg_writes++;
2188 slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH);
2190 adapter->false_interrupts++;
2195 #define NORMAL_ETHFRAME 0
2197 static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
2199 struct sliccard *card;
2200 struct adapter *adapter = netdev_priv(dev);
2201 struct slic_hostcmd *hcmd = NULL;
2203 void *offloadcmd = NULL;
2205 card = adapter->card;
2206 if ((adapter->linkstate != LINK_UP) ||
2207 (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
2208 status = XMIT_FAIL_LINK_STATE;
2211 } else if (skb->len == 0) {
2212 status = XMIT_FAIL_ZERO_LENGTH;
2216 hcmd = slic_cmdq_getfree(adapter);
2218 adapter->xmitq_full = 1;
2219 status = XMIT_FAIL_HOSTCMD_FAIL;
2224 hcmd->type = SLIC_CMD_DUMB;
2225 slic_xmit_build_request(adapter, hcmd, skb);
2226 dev->stats.tx_packets++;
2227 dev->stats.tx_bytes += skb->len;
2230 if (adapter->kill_card) {
2231 struct slic_host64_cmd ihcmd;
2233 ihcmd = &hcmd->cmd64;
2235 ihcmd->flags |= 0x40;
2236 adapter->kill_card = 0; /* only do this once */
2239 if (hcmd->paddrh == 0) {
2240 slic_reg32_write(&adapter->slic_regs->slic_cbar,
2241 (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
2243 slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64,
2244 (hcmd->paddrl | hcmd->cmdsize),
2245 &adapter->slic_regs->slic_addr_upper,
2246 hcmd->paddrh, DONT_FLUSH);
2249 return NETDEV_TX_OK;
2251 slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status);
2255 static void slic_adapter_freeresources(struct adapter *adapter)
2257 slic_init_cleanup(adapter);
2258 adapter->error_interrupts = 0;
2259 adapter->rcv_interrupts = 0;
2260 adapter->xmit_interrupts = 0;
2261 adapter->linkevent_interrupts = 0;
2262 adapter->upr_interrupts = 0;
2263 adapter->num_isrs = 0;
2264 adapter->xmit_completes = 0;
2265 adapter->rcv_broadcasts = 0;
2266 adapter->rcv_multicasts = 0;
2267 adapter->rcv_unicasts = 0;
2270 static int slic_adapter_allocresources(struct adapter *adapter,
2271 unsigned long *flags)
2273 if (!adapter->intrregistered) {
2276 spin_unlock_irqrestore(&slic_global.driver_lock, *flags);
2278 retval = request_irq(adapter->netdev->irq,
2281 adapter->netdev->name, adapter->netdev);
2283 spin_lock_irqsave(&slic_global.driver_lock, *flags);
2286 dev_err(&adapter->netdev->dev,
2287 "request_irq (%s) FAILED [%x]\n",
2288 adapter->netdev->name, retval);
2291 adapter->intrregistered = 1;
2299 * Perform initialization of our slic interface.
2302 static int slic_if_init(struct adapter *adapter, unsigned long *flags)
2304 struct sliccard *card = adapter->card;
2305 struct net_device *dev = adapter->netdev;
2306 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2307 struct slic_shmem *pshmem;
2310 /* adapter should be down at this point */
2311 if (adapter->state != ADAPT_DOWN) {
2312 dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
2318 adapter->devflags_prev = dev->flags;
2319 adapter->macopts = MAC_DIRECTED;
2321 if (dev->flags & IFF_BROADCAST)
2322 adapter->macopts |= MAC_BCAST;
2323 if (dev->flags & IFF_PROMISC)
2324 adapter->macopts |= MAC_PROMISC;
2325 if (dev->flags & IFF_ALLMULTI)
2326 adapter->macopts |= MAC_ALLMCAST;
2327 if (dev->flags & IFF_MULTICAST)
2328 adapter->macopts |= MAC_MCAST;
2330 rc = slic_adapter_allocresources(adapter, flags);
2332 dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n",
2334 slic_adapter_freeresources(adapter);
2338 if (!adapter->queues_initialized) {
2339 rc = slic_rspqueue_init(adapter);
2342 rc = slic_cmdq_init(adapter);
2345 rc = slic_rcvqueue_init(adapter);
2348 adapter->queues_initialized = 1;
2351 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2354 if (!adapter->isp_initialized) {
2355 unsigned long flags;
2357 pshmem = (struct slic_shmem *)(unsigned long)
2358 adapter->phys_shmem;
2360 spin_lock_irqsave(&adapter->bit64reglock, flags);
2362 #if BITS_PER_LONG == 64
2363 slic_reg32_write(&slic_regs->slic_addr_upper,
2364 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2365 slic_reg32_write(&slic_regs->slic_isp,
2366 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2368 slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
2369 slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr,
2372 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2373 adapter->isp_initialized = 1;
2376 adapter->state = ADAPT_UP;
2377 if (!card->loadtimerset) {
2378 setup_timer(&card->loadtimer, &slic_timer_load_check,
2380 card->loadtimer.expires =
2381 jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
2382 add_timer(&card->loadtimer);
2384 card->loadtimerset = 1;
2387 if (!adapter->pingtimerset) {
2388 setup_timer(&adapter->pingtimer, &slic_timer_ping, (ulong)dev);
2389 adapter->pingtimer.expires =
2390 jiffies + (PING_TIMER_INTERVAL * HZ);
2391 add_timer(&adapter->pingtimer);
2392 adapter->pingtimerset = 1;
2393 adapter->card->pingstatus = ISR_PINGMASK;
2397 * clear any pending events, then enable interrupts
2399 adapter->isrcopy = 0;
2400 adapter->pshmem->isr = 0;
2401 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2402 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
2404 slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
2405 rc = slic_link_event_handler(adapter);
2407 /* disable interrupts then clear pending events */
2408 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2409 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2410 if (adapter->pingtimerset) {
2411 del_timer(&adapter->pingtimer);
2412 adapter->pingtimerset = 0;
2414 if (card->loadtimerset) {
2415 del_timer(&card->loadtimer);
2416 card->loadtimerset = 0;
2418 adapter->state = ADAPT_DOWN;
2419 slic_adapter_freeresources(adapter);
2426 static int slic_entry_open(struct net_device *dev)
2428 struct adapter *adapter = netdev_priv(dev);
2429 struct sliccard *card = adapter->card;
2430 unsigned long flags;
2433 netif_stop_queue(adapter->netdev);
2435 spin_lock_irqsave(&slic_global.driver_lock, flags);
2436 if (!adapter->activated) {
2437 card->adapters_activated++;
2438 slic_global.num_slic_ports_active++;
2439 adapter->activated = 1;
2441 status = slic_if_init(adapter, &flags);
2444 if (adapter->activated) {
2445 card->adapters_activated--;
2446 slic_global.num_slic_ports_active--;
2447 adapter->activated = 0;
2452 card->master = adapter;
2455 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2459 static void slic_card_cleanup(struct sliccard *card)
2461 if (card->loadtimerset) {
2462 card->loadtimerset = 0;
2463 del_timer_sync(&card->loadtimer);
2469 static void slic_entry_remove(struct pci_dev *pcidev)
2471 struct net_device *dev = pci_get_drvdata(pcidev);
2472 struct adapter *adapter = netdev_priv(dev);
2473 struct sliccard *card;
2474 struct mcast_address *mcaddr, *mlist;
2476 unregister_netdev(dev);
2478 slic_adapter_freeresources(adapter);
2479 slic_unmap_mmio_space(adapter);
2481 /* free multicast addresses */
2482 mlist = adapter->mcastaddrs;
2485 mlist = mlist->next;
2488 card = adapter->card;
2489 card->adapters_allocated--;
2490 adapter->allocated = 0;
2491 if (!card->adapters_allocated) {
2492 struct sliccard *curr_card = slic_global.slic_card;
2494 if (curr_card == card) {
2495 slic_global.slic_card = card->next;
2497 while (curr_card->next != card)
2498 curr_card = curr_card->next;
2499 curr_card->next = card->next;
2501 slic_global.num_slic_cards--;
2502 slic_card_cleanup(card);
2505 pci_release_regions(pcidev);
2506 pci_disable_device(pcidev);
2509 static int slic_entry_halt(struct net_device *dev)
2511 struct adapter *adapter = netdev_priv(dev);
2512 struct sliccard *card = adapter->card;
2513 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2514 unsigned long flags;
2516 spin_lock_irqsave(&slic_global.driver_lock, flags);
2517 netif_stop_queue(adapter->netdev);
2518 adapter->state = ADAPT_DOWN;
2519 adapter->linkstate = LINK_DOWN;
2520 adapter->upr_list = NULL;
2521 adapter->upr_busy = 0;
2522 adapter->devflags_prev = 0;
2523 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2524 adapter->all_reg_writes++;
2525 adapter->icr_reg_writes++;
2526 slic_config_clear(adapter);
2527 if (adapter->activated) {
2528 card->adapters_activated--;
2529 slic_global.num_slic_ports_active--;
2530 adapter->activated = 0;
2532 #ifdef AUTOMATIC_RESET
2533 slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH);
2536 * Reset the adapter's cmd queues
2538 slic_cmdq_reset(adapter);
2540 #ifdef AUTOMATIC_RESET
2541 if (!card->adapters_activated)
2542 slic_card_init(card, adapter);
2545 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2549 static struct net_device_stats *slic_get_stats(struct net_device *dev)
2551 struct adapter *adapter = netdev_priv(dev);
2553 dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions;
2554 dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors;
2555 dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors;
2556 dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
2557 dev->stats.tx_heartbeat_errors = 0;
2558 dev->stats.tx_aborted_errors = 0;
2559 dev->stats.tx_window_errors = 0;
2560 dev->stats.tx_fifo_errors = 0;
2561 dev->stats.rx_frame_errors = 0;
2562 dev->stats.rx_length_errors = 0;
2567 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2569 struct adapter *adapter = netdev_priv(dev);
2570 struct ethtool_cmd edata;
2571 struct ethtool_cmd ecmd;
2576 case SIOCSLICSETINTAGG:
2577 if (copy_from_user(data, rq->ifr_data, 28))
2580 dev_err(&dev->dev, "set interrupt aggregation to %d\n",
2582 slic_intagg_set(adapter, intagg);
2586 if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
2589 if (ecmd.cmd == ETHTOOL_GSET) {
2590 memset(&edata, 0, sizeof(edata));
2591 edata.supported = (SUPPORTED_10baseT_Half |
2592 SUPPORTED_10baseT_Full |
2593 SUPPORTED_100baseT_Half |
2594 SUPPORTED_100baseT_Full |
2595 SUPPORTED_Autoneg | SUPPORTED_MII);
2596 edata.port = PORT_MII;
2597 edata.transceiver = XCVR_INTERNAL;
2598 edata.phy_address = 0;
2599 if (adapter->linkspeed == LINK_100MB)
2600 edata.speed = SPEED_100;
2601 else if (adapter->linkspeed == LINK_10MB)
2602 edata.speed = SPEED_10;
2606 if (adapter->linkduplex == LINK_FULLD)
2607 edata.duplex = DUPLEX_FULL;
2609 edata.duplex = DUPLEX_HALF;
2611 edata.autoneg = AUTONEG_ENABLE;
2614 if (copy_to_user(rq->ifr_data, &edata, sizeof(edata)))
2617 } else if (ecmd.cmd == ETHTOOL_SSET) {
2618 if (!capable(CAP_NET_ADMIN))
2621 if (adapter->linkspeed == LINK_100MB)
2622 edata.speed = SPEED_100;
2623 else if (adapter->linkspeed == LINK_10MB)
2624 edata.speed = SPEED_10;
2628 if (adapter->linkduplex == LINK_FULLD)
2629 edata.duplex = DUPLEX_FULL;
2631 edata.duplex = DUPLEX_HALF;
2633 edata.autoneg = AUTONEG_ENABLE;
2636 if ((ecmd.speed != edata.speed) ||
2637 (ecmd.duplex != edata.duplex)) {
2641 if (ecmd.speed == SPEED_10)
2644 speed = PCR_SPEED_100;
2645 if (ecmd.duplex == DUPLEX_FULL)
2646 duplex = PCR_DUPLEX_FULL;
2649 slic_link_config(adapter, speed, duplex);
2650 if (slic_link_event_handler(adapter))
2660 static void slic_config_pci(struct pci_dev *pcidev)
2665 pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
2667 new_command = pci_command | PCI_COMMAND_MASTER
2668 | PCI_COMMAND_MEMORY
2669 | PCI_COMMAND_INVALIDATE
2670 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
2671 if (pci_command != new_command)
2672 pci_write_config_word(pcidev, PCI_COMMAND, new_command);
2675 static int slic_card_init(struct sliccard *card, struct adapter *adapter)
2677 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2678 struct slic_eeprom *peeprom;
2679 struct oslic_eeprom *pOeeprom;
2680 dma_addr_t phys_config;
2684 struct slic_shmem *pshmem;
2686 uint macaddrs = card->card_size;
2691 struct slic_config_mac *pmac;
2692 unsigned char fruformat;
2693 unsigned char oemfruformat;
2694 struct atk_fru *patkfru;
2695 union oemfru *poemfru;
2696 unsigned long flags;
2698 /* Reset everything except PCI configuration space */
2699 slic_soft_reset(adapter);
2701 /* Download the microcode */
2702 status = slic_card_download(adapter);
2706 if (!card->config_set) {
2707 peeprom = pci_alloc_consistent(adapter->pcidev,
2708 sizeof(struct slic_eeprom),
2711 phys_configl = SLIC_GET_ADDR_LOW(phys_config);
2712 phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
2715 dev_err(&adapter->pcidev->dev,
2716 "Failed to allocate DMA memory for EEPROM.\n");
2720 memset(peeprom, 0, sizeof(struct slic_eeprom));
2722 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2724 pshmem = (struct slic_shmem *)(unsigned long)
2725 adapter->phys_shmem;
2727 spin_lock_irqsave(&adapter->bit64reglock, flags);
2728 slic_reg32_write(&slic_regs->slic_addr_upper,
2729 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2730 slic_reg32_write(&slic_regs->slic_isp,
2731 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2732 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2734 status = slic_config_get(adapter, phys_configl, phys_configh);
2736 dev_err(&adapter->pcidev->dev,
2737 "Failed to fetch config data from device.\n");
2742 if (adapter->pshmem->isr) {
2743 if (adapter->pshmem->isr & ISR_UPC) {
2744 adapter->pshmem->isr = 0;
2745 slic_reg64_write(adapter,
2746 &slic_regs->slic_isp, 0,
2747 &slic_regs->slic_addr_upper,
2749 slic_reg32_write(&slic_regs->slic_isr,
2752 slic_upr_request_complete(adapter, 0);
2756 adapter->pshmem->isr = 0;
2757 slic_reg32_write(&slic_regs->slic_isr,
2763 dev_err(&adapter->pcidev->dev,
2764 "Fetch of config data timed out.\n");
2765 slic_reg64_write(adapter,
2766 &slic_regs->slic_isp, 0,
2767 &slic_regs->slic_addr_upper,
2775 switch (adapter->devid) {
2777 case SLIC_2GB_DEVICE_ID:
2778 /* extract EEPROM data and pointers to EEPROM data */
2779 pOeeprom = (struct oslic_eeprom *)peeprom;
2780 eecodesize = pOeeprom->EecodeSize;
2781 dramsize = pOeeprom->DramSize;
2782 pmac = pOeeprom->MacInfo;
2783 fruformat = pOeeprom->FruFormat;
2784 patkfru = &pOeeprom->AtkFru;
2785 oemfruformat = pOeeprom->OemFruFormat;
2786 poemfru = &pOeeprom->OemFru;
2789 * Minor kludge for Oasis card
2790 * get 2 MAC addresses from the
2791 * EEPROM to ensure that function 1
2792 * gets the Port 1 MAC address
2796 /* extract EEPROM data and pointers to EEPROM data */
2797 eecodesize = peeprom->EecodeSize;
2798 dramsize = peeprom->DramSize;
2799 pmac = peeprom->u2.mac.MacInfo;
2800 fruformat = peeprom->FruFormat;
2801 patkfru = &peeprom->AtkFru;
2802 oemfruformat = peeprom->OemFruFormat;
2803 poemfru = &peeprom->OemFru;
2807 card->config.EepromValid = false;
2809 /* see if the EEPROM is valid by checking it's checksum */
2810 if ((eecodesize <= MAX_EECODE_SIZE) &&
2811 (eecodesize >= MIN_EECODE_SIZE)) {
2814 *(u16 *)((char *)peeprom + (eecodesize - 2));
2816 * calculate the EEPROM checksum
2818 calc_chksum = slic_eeprom_cksum(peeprom,
2821 * if the ucdoe chksum flag bit worked,
2822 * we wouldn't need this
2824 if (ee_chksum == calc_chksum)
2825 card->config.EepromValid = true;
2827 /* copy in the DRAM size */
2828 card->config.DramSize = dramsize;
2830 /* copy in the MAC address(es) */
2831 for (i = 0; i < macaddrs; i++) {
2832 memcpy(&card->config.MacInfo[i],
2833 &pmac[i], sizeof(struct slic_config_mac));
2836 /* copy the Alacritech FRU information */
2837 card->config.FruFormat = fruformat;
2838 memcpy(&card->config.AtkFru, patkfru,
2839 sizeof(struct atk_fru));
2841 pci_free_consistent(adapter->pcidev,
2842 sizeof(struct slic_eeprom),
2843 peeprom, phys_config);
2845 if (!card->config.EepromValid) {
2846 slic_reg64_write(adapter, &slic_regs->slic_isp, 0,
2847 &slic_regs->slic_addr_upper,
2849 dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n");
2853 card->config_set = 1;
2856 status = slic_card_download_gbrcv(adapter);
2860 if (slic_global.dynamic_intagg)
2861 slic_intagg_set(adapter, 0);
2863 slic_intagg_set(adapter, intagg_delay);
2866 * Initialize ping status to "ok"
2868 card->pingstatus = ISR_PINGMASK;
2871 * Lastly, mark our card state as up and return success
2873 card->state = CARD_UP;
2874 card->reset_in_progress = 0;
2879 pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom),
2880 peeprom, phys_config);
2884 static void slic_init_driver(void)
2886 if (slic_first_init) {
2887 slic_first_init = 0;
2888 spin_lock_init(&slic_global.driver_lock);
2892 static void slic_init_adapter(struct net_device *netdev,
2893 struct pci_dev *pcidev,
2894 const struct pci_device_id *pci_tbl_entry,
2895 void __iomem *memaddr, int chip_idx)
2898 struct slic_handle *pslic_handle;
2899 struct adapter *adapter = netdev_priv(netdev);
2901 /* adapter->pcidev = pcidev;*/
2902 adapter->vendid = pci_tbl_entry->vendor;
2903 adapter->devid = pci_tbl_entry->device;
2904 adapter->subsysid = pci_tbl_entry->subdevice;
2905 adapter->busnumber = pcidev->bus->number;
2906 adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
2907 adapter->functionnumber = (pcidev->devfn & 0x7);
2908 adapter->slic_regs = memaddr;
2909 adapter->irq = pcidev->irq;
2910 /* adapter->netdev = netdev;*/
2911 adapter->chipid = chip_idx;
2912 adapter->port = 0; /*adapter->functionnumber;*/
2913 adapter->cardindex = adapter->port;
2914 spin_lock_init(&adapter->upr_lock);
2915 spin_lock_init(&adapter->bit64reglock);
2916 spin_lock_init(&adapter->adapter_lock);
2917 spin_lock_init(&adapter->reset_lock);
2918 spin_lock_init(&adapter->handle_lock);
2920 adapter->card_size = 1;
2922 * Initialize slic_handle array
2925 * Start with 1. 0 is an invalid host handle.
2927 for (index = 1, pslic_handle = &adapter->slic_handles[1];
2928 index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
2930 pslic_handle->token.handle_index = index;
2931 pslic_handle->type = SLIC_HANDLE_FREE;
2932 pslic_handle->next = adapter->pfree_slic_handles;
2933 adapter->pfree_slic_handles = pslic_handle;
2935 adapter->pshmem = (struct slic_shmem *)
2936 pci_alloc_consistent(adapter->pcidev,
2937 sizeof(struct slic_shmem),
2940 if (adapter->pshmem)
2941 memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
2944 static const struct net_device_ops slic_netdev_ops = {
2945 .ndo_open = slic_entry_open,
2946 .ndo_stop = slic_entry_halt,
2947 .ndo_start_xmit = slic_xmit_start,
2948 .ndo_do_ioctl = slic_ioctl,
2949 .ndo_set_mac_address = slic_mac_set_address,
2950 .ndo_get_stats = slic_get_stats,
2951 .ndo_set_rx_mode = slic_mcast_set_list,
2952 .ndo_validate_addr = eth_validate_addr,
2953 .ndo_change_mtu = eth_change_mtu,
2956 static u32 slic_card_locate(struct adapter *adapter)
2958 struct sliccard *card = slic_global.slic_card;
2959 struct physcard *physcard = slic_global.phys_card;
2961 u16 __iomem *hostid_reg;
2963 uint rdhostid_offset = 0;
2965 switch (adapter->devid) {
2966 case SLIC_2GB_DEVICE_ID:
2967 rdhostid_offset = SLIC_RDHOSTID_2GB;
2969 case SLIC_1GB_DEVICE_ID:
2970 rdhostid_offset = SLIC_RDHOSTID_1GB;
2977 (u16 __iomem *)(((u8 __iomem *)(adapter->slic_regs)) +
2980 /* read the 16 bit hostid from SRAM */
2981 card_hostid = (ushort)readw(hostid_reg);
2983 /* Initialize a new card structure if need be */
2984 if (card_hostid == SLIC_HOSTID_DEFAULT) {
2985 card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
2989 card->next = slic_global.slic_card;
2990 slic_global.slic_card = card;
2991 card->busnumber = adapter->busnumber;
2992 card->slotnumber = adapter->slotnumber;
2994 /* Find an available cardnum */
2995 for (i = 0; i < SLIC_MAX_CARDS; i++) {
2996 if (slic_global.cardnuminuse[i] == 0) {
2997 slic_global.cardnuminuse[i] = 1;
3002 slic_global.num_slic_cards++;
3004 /* Card exists, find the card this adapter belongs to */
3006 if (card->cardnum == card_hostid)
3014 /* Put the adapter in the card's adapter list */
3015 if (!card->adapter[adapter->port]) {
3016 card->adapter[adapter->port] = adapter;
3017 adapter->card = card;
3020 card->card_size = 1; /* one port per *logical* card */
3023 for (i = 0; i < SLIC_MAX_PORTS; i++) {
3024 if (physcard->adapter[i])
3027 if (i == SLIC_MAX_PORTS)
3030 if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
3032 physcard = physcard->next;
3035 /* no structure allocated for this physical card yet */
3036 physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
3038 if (card_hostid == SLIC_HOSTID_DEFAULT)
3043 physcard->next = slic_global.phys_card;
3044 slic_global.phys_card = physcard;
3045 physcard->adapters_allocd = 1;
3047 physcard->adapters_allocd++;
3049 /* Note - this is ZERO relative */
3050 adapter->physport = physcard->adapters_allocd - 1;
3052 physcard->adapter[adapter->physport] = adapter;
3053 adapter->physcard = physcard;
3058 static int slic_entry_probe(struct pci_dev *pcidev,
3059 const struct pci_device_id *pci_tbl_entry)
3061 static int cards_found;
3062 static int did_version;
3064 struct net_device *netdev;
3065 struct adapter *adapter;
3066 void __iomem *memmapped_ioaddr = NULL;
3067 ulong mmio_start = 0;
3069 struct sliccard *card = NULL;
3070 int pci_using_dac = 0;
3072 slic_global.dynamic_intagg = dynamic_intagg;
3074 err = pci_enable_device(pcidev);
3079 if (did_version++ == 0) {
3080 dev_info(&pcidev->dev, "%s\n", slic_banner);
3081 dev_info(&pcidev->dev, "%s\n", slic_proc_version);
3084 if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
3086 err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
3088 dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n");
3089 goto err_out_disable_pci;
3092 err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
3094 dev_err(&pcidev->dev, "no usable DMA configuration\n");
3095 goto err_out_disable_pci;
3098 pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
3101 err = pci_request_regions(pcidev, DRV_NAME);
3103 dev_err(&pcidev->dev, "can't obtain PCI resources\n");
3104 goto err_out_disable_pci;
3107 pci_set_master(pcidev);
3109 netdev = alloc_etherdev(sizeof(struct adapter));
3112 goto err_out_exit_slic_probe;
3115 SET_NETDEV_DEV(netdev, &pcidev->dev);
3117 pci_set_drvdata(pcidev, netdev);
3118 adapter = netdev_priv(netdev);
3119 adapter->netdev = netdev;
3120 adapter->pcidev = pcidev;
3122 netdev->features |= NETIF_F_HIGHDMA;
3124 mmio_start = pci_resource_start(pcidev, 0);
3125 mmio_len = pci_resource_len(pcidev, 0);
3127 /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
3128 memmapped_ioaddr = ioremap(mmio_start, mmio_len);
3129 if (!memmapped_ioaddr) {
3130 dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n",
3131 mmio_len, mmio_start);
3133 goto err_out_free_netdev;
3136 slic_config_pci(pcidev);
3140 slic_init_adapter(netdev,
3141 pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
3143 err = slic_card_locate(adapter);
3145 dev_err(&pcidev->dev, "cannot locate card\n");
3149 card = adapter->card;
3151 if (!adapter->allocated) {
3152 card->adapters_allocated++;
3153 adapter->allocated = 1;
3156 err = slic_card_init(card, adapter);
3160 slic_adapter_set_hwaddr(adapter);
3162 netdev->base_addr = (unsigned long)memmapped_ioaddr;
3163 netdev->irq = adapter->irq;
3164 netdev->netdev_ops = &slic_netdev_ops;
3166 strcpy(netdev->name, "eth%d");
3167 err = register_netdev(netdev);
3169 dev_err(&pcidev->dev, "Cannot register net device, aborting.\n");
3178 iounmap(memmapped_ioaddr);
3179 err_out_free_netdev:
3180 free_netdev(netdev);
3181 err_out_exit_slic_probe:
3182 pci_release_regions(pcidev);
3183 err_out_disable_pci:
3184 pci_disable_device(pcidev);
3188 static struct pci_driver slic_driver = {
3190 .id_table = slic_pci_tbl,
3191 .probe = slic_entry_probe,
3192 .remove = slic_entry_remove,
3195 static int __init slic_module_init(void)
3199 return pci_register_driver(&slic_driver);
3202 static void __exit slic_module_cleanup(void)
3204 pci_unregister_driver(&slic_driver);
3207 module_init(slic_module_init);
3208 module_exit(slic_module_cleanup);