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
58 #define KLUDGE_FOR_4GB_BOUNDARY 1
59 #define DEBUG_MICROCODE 1
61 #define SLIC_INTERRUPT_PROCESS_LIMIT 1
62 #define SLIC_OFFLOAD_IP_CHECKSUM 1
63 #define STATS_TIMER_INTERVAL 2
64 #define PING_TIMER_INTERVAL 1
65 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
67 #include <linux/kernel.h>
68 #include <linux/string.h>
69 #include <linux/errno.h>
70 #include <linux/ioport.h>
71 #include <linux/slab.h>
72 #include <linux/interrupt.h>
73 #include <linux/timer.h>
74 #include <linux/pci.h>
75 #include <linux/spinlock.h>
76 #include <linux/init.h>
77 #include <linux/bitops.h>
79 #include <linux/netdevice.h>
80 #include <linux/crc32.h>
81 #include <linux/etherdevice.h>
82 #include <linux/skbuff.h>
83 #include <linux/delay.h>
84 #include <linux/seq_file.h>
85 #include <linux/kthread.h>
86 #include <linux/module.h>
88 #include <linux/firmware.h>
89 #include <linux/types.h>
90 #include <linux/dma-mapping.h>
91 #include <linux/mii.h>
92 #include <linux/if_vlan.h>
93 #include <asm/unaligned.h>
95 #include <linux/ethtool.h>
96 #include <linux/uaccess.h>
100 static uint slic_first_init = 1;
101 static char *slic_banner = "Alacritech SLIC Technology(tm) Server and Storage Accelerator (Non-Accelerated)";
103 static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00";
105 static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
106 static int intagg_delay = 100;
107 static u32 dynamic_intagg;
108 static unsigned int rcv_count;
110 #define DRV_NAME "slicoss"
111 #define DRV_VERSION "2.0.1"
112 #define DRV_AUTHOR "Alacritech, Inc. Engineering"
113 #define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\
114 "Non-Accelerated Driver"
115 #define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\
116 "All rights reserved."
117 #define PFX DRV_NAME " "
119 MODULE_AUTHOR(DRV_AUTHOR);
120 MODULE_DESCRIPTION(DRV_DESCRIPTION);
121 MODULE_LICENSE("Dual BSD/GPL");
123 module_param(dynamic_intagg, int, 0);
124 MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
125 module_param(intagg_delay, int, 0);
126 MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
128 static const struct pci_device_id slic_pci_tbl[] = {
129 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) },
130 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) },
134 MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
136 static inline void slic_reg32_write(void __iomem *reg, u32 value, bool flush)
143 static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg,
144 u32 value, void __iomem *regh, u32 paddrh,
149 spin_lock_irqsave(&adapter->bit64reglock, flags);
150 writel(paddrh, regh);
154 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
157 static void slic_mcast_set_bit(struct adapter *adapter, char *address)
159 unsigned char crcpoly;
161 /* 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 */
164 crcpoly = ether_crc(ETH_ALEN, address)>>23;
166 /* We only have space on the SLIC for 64 entries. Lop
167 * off the top two bits. (2^6 = 64)
171 /* OR in the new bit into our 64 bit mask. */
172 adapter->mcastmask |= (u64) 1 << crcpoly;
175 static void slic_mcast_set_mask(struct adapter *adapter)
177 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
179 if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) {
180 /* Turn on all multicast addresses. We have to do this for
181 * promiscuous mode as well as ALLMCAST mode. It saves the
182 * Microcode from having to keep state about the MAC
185 slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH);
186 slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF,
189 /* Commit our multicast mast to the SLIC by writing to the
190 * multicast address mask registers
192 slic_reg32_write(&slic_regs->slic_mcastlow,
193 (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH);
194 slic_reg32_write(&slic_regs->slic_mcasthigh,
195 (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH);
199 static void slic_timer_ping(ulong dev)
201 struct adapter *adapter;
202 struct sliccard *card;
204 adapter = netdev_priv((struct net_device *)dev);
205 card = adapter->card;
207 adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ);
208 add_timer(&adapter->pingtimer);
211 static void slic_unmap_mmio_space(struct adapter *adapter)
213 if (adapter->slic_regs)
214 iounmap(adapter->slic_regs);
215 adapter->slic_regs = NULL;
221 * Write phy control to configure link duplex/speed
224 static void slic_link_config(struct adapter *adapter,
225 u32 linkspeed, u32 linkduplex)
234 if (adapter->state != ADAPT_UP)
237 if (linkspeed > LINK_1000MB)
238 linkspeed = LINK_AUTOSPEED;
239 if (linkduplex > LINK_AUTOD)
240 linkduplex = LINK_AUTOD;
242 wphy = &adapter->slic_regs->slic_wphy;
244 if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) {
245 if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) {
246 /* We've got a fiber gigabit interface, and register
247 * 4 is different in fiber mode than in copper mode
250 /* advertise FD only @1000 Mb */
251 phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD));
252 /* enable PAUSE frames */
253 phy_advreg |= PAR_ASYMPAUSE_FIBER;
254 slic_reg32_write(wphy, phy_advreg, FLUSH);
256 if (linkspeed == LINK_AUTOSPEED) {
257 /* reset phy, enable auto-neg */
260 (PCR_RESET | PCR_AUTONEG |
262 slic_reg32_write(wphy, phy_config, FLUSH);
263 } else { /* forced 1000 Mb FD*/
264 /* power down phy to break link
265 this may not work) */
266 phy_config = (MIICR_REG_PCR | PCR_POWERDOWN);
267 slic_reg32_write(wphy, phy_config, FLUSH);
268 /* wait, Marvell says 1 sec,
269 try to get away with 10 ms */
272 /* disable auto-neg, set speed/duplex,
273 soft reset phy, powerup */
276 (PCR_RESET | PCR_SPEED_1000 |
278 slic_reg32_write(wphy, phy_config, FLUSH);
280 } else { /* copper gigabit */
282 /* Auto-Negotiate or 1000 Mb must be auto negotiated
283 * We've got a copper gigabit interface, and
284 * register 4 is different in copper mode than
287 if (linkspeed == LINK_AUTOSPEED) {
288 /* advertise 10/100 Mb modes */
291 (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD
294 /* linkspeed == LINK_1000MB -
295 don't advertise 10/100 Mb modes */
296 phy_advreg = MIICR_REG_4;
298 /* enable PAUSE frames */
299 phy_advreg |= PAR_ASYMPAUSE;
300 /* required by the Cicada PHY */
301 phy_advreg |= PAR_802_3;
302 slic_reg32_write(wphy, phy_advreg, FLUSH);
303 /* advertise FD only @1000 Mb */
304 phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD));
305 slic_reg32_write(wphy, phy_gctlreg, FLUSH);
307 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
309 enable auto crossover */
311 (MIICR_REG_16 | (MRV_REG16_XOVERON));
312 slic_reg32_write(wphy, phy_config, FLUSH);
314 /* reset phy, enable auto-neg */
317 (PCR_RESET | PCR_AUTONEG |
319 slic_reg32_write(wphy, phy_config, FLUSH);
320 } else { /* it's a Cicada PHY */
321 /* enable and restart auto-neg (don't reset) */
324 (PCR_AUTONEG | PCR_AUTONEG_RST));
325 slic_reg32_write(wphy, phy_config, FLUSH);
330 if (linkspeed == LINK_10MB)
333 speed = PCR_SPEED_100;
334 if (linkduplex == LINK_HALFD)
337 duplex = PCR_DUPLEX_FULL;
339 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
341 disable auto crossover */
342 phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF));
343 slic_reg32_write(wphy, phy_config, FLUSH);
346 /* power down phy to break link (this may not work) */
347 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex));
348 slic_reg32_write(wphy, phy_config, FLUSH);
350 /* wait, Marvell says 1 sec, try to get away with 10 ms */
353 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
355 disable auto-neg, set speed,
356 soft reset phy, powerup */
358 (MIICR_REG_PCR | (PCR_RESET | speed | duplex));
359 slic_reg32_write(wphy, phy_config, FLUSH);
360 } else { /* it's a Cicada PHY */
361 /* disable auto-neg, set speed, powerup */
362 phy_config = (MIICR_REG_PCR | (speed | duplex));
363 slic_reg32_write(wphy, phy_config, FLUSH);
368 static int slic_card_download_gbrcv(struct adapter *adapter)
370 const struct firmware *fw;
371 const char *file = "";
373 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
379 switch (adapter->devid) {
380 case SLIC_2GB_DEVICE_ID:
381 file = "slicoss/oasisrcvucode.sys";
383 case SLIC_1GB_DEVICE_ID:
384 file = "slicoss/gbrcvucode.sys";
390 ret = request_firmware(&fw, file, &adapter->pcidev->dev);
392 dev_err(&adapter->pcidev->dev,
393 "Failed to load firmware %s\n", file);
397 rcvucodelen = *(u32 *)(fw->data + index);
399 switch (adapter->devid) {
400 case SLIC_2GB_DEVICE_ID:
401 if (rcvucodelen != OasisRcvUCodeLen) {
402 release_firmware(fw);
406 case SLIC_1GB_DEVICE_ID:
407 if (rcvucodelen != GBRcvUCodeLen) {
408 release_firmware(fw);
414 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH);
415 /* download the rcv sequencer ucode */
416 for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) {
417 /* write out instruction address */
418 slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH);
420 instruction = *(u32 *)(fw->data + index);
422 /* write out the instruction data low addr */
423 slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH);
425 instruction = *(u8 *)(fw->data + index);
427 /* write out the instruction data high addr */
428 slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction,
432 /* download finished */
433 release_firmware(fw);
434 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH);
438 MODULE_FIRMWARE("slicoss/oasisrcvucode.sys");
439 MODULE_FIRMWARE("slicoss/gbrcvucode.sys");
441 static int slic_card_download(struct adapter *adapter)
443 const struct firmware *fw;
444 const char *file = "";
449 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
456 int ucode_start, index = 0;
458 switch (adapter->devid) {
459 case SLIC_2GB_DEVICE_ID:
460 file = "slicoss/oasisdownload.sys";
462 case SLIC_1GB_DEVICE_ID:
463 file = "slicoss/gbdownload.sys";
468 ret = request_firmware(&fw, file, &adapter->pcidev->dev);
470 dev_err(&adapter->pcidev->dev,
471 "Failed to load firmware %s\n", file);
474 numsects = *(u32 *)(fw->data + index);
476 for (i = 0; i < numsects; i++) {
477 sectsize[i] = *(u32 *)(fw->data + index);
480 for (i = 0; i < numsects; i++) {
481 sectstart[i] = *(u32 *)(fw->data + index);
485 instruction = *(u32 *)(fw->data + index);
487 for (section = 0; section < numsects; section++) {
488 baseaddress = sectstart[section];
489 thissectionsize = sectsize[section] >> 3;
491 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
492 /* Write out instruction address */
493 slic_reg32_write(&slic_regs->slic_wcs,
494 baseaddress + codeaddr, FLUSH);
495 /* Write out instruction to low addr */
496 slic_reg32_write(&slic_regs->slic_wcs,
498 instruction = *(u32 *)(fw->data + index);
501 /* Write out instruction to high addr */
502 slic_reg32_write(&slic_regs->slic_wcs,
504 instruction = *(u32 *)(fw->data + index);
509 for (section = 0; section < numsects; section++) {
510 instruction = *(u32 *)(fw->data + index);
511 baseaddress = sectstart[section];
512 if (baseaddress < 0x8000)
514 thissectionsize = sectsize[section] >> 3;
516 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
517 /* Write out instruction address */
518 slic_reg32_write(&slic_regs->slic_wcs,
519 SLIC_WCS_COMPARE | (baseaddress + codeaddr),
521 /* Write out instruction to low addr */
522 slic_reg32_write(&slic_regs->slic_wcs, instruction,
524 instruction = *(u32 *)(fw->data + index);
526 /* Write out instruction to high addr */
527 slic_reg32_write(&slic_regs->slic_wcs, instruction,
529 instruction = *(u32 *)(fw->data + index);
532 /* Check SRAM location zero. If it is non-zero. Abort.*/
533 /* failure = readl((u32 __iomem *)&slic_regs->slic_reset);
535 release_firmware(fw);
540 release_firmware(fw);
541 /* Everything OK, kick off the card */
543 slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
545 /* stall for 20 ms, long enough for ucode to init card
546 and reach mainloop */
552 MODULE_FIRMWARE("slicoss/oasisdownload.sys");
553 MODULE_FIRMWARE("slicoss/gbdownload.sys");
555 static void slic_adapter_set_hwaddr(struct adapter *adapter)
557 struct sliccard *card = adapter->card;
559 if ((adapter->card) && (card->config_set)) {
560 memcpy(adapter->macaddr,
561 card->config.MacInfo[adapter->functionnumber].macaddrA,
562 sizeof(struct slic_config_mac));
563 if (is_zero_ether_addr(adapter->currmacaddr))
564 memcpy(adapter->currmacaddr, adapter->macaddr,
567 memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
572 static void slic_intagg_set(struct adapter *adapter, u32 value)
574 slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH);
575 adapter->card->loadlevel_current = value;
578 static void slic_soft_reset(struct adapter *adapter)
580 if (adapter->card->state == CARD_UP) {
581 slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH);
585 slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC,
590 static void slic_mac_address_config(struct adapter *adapter)
594 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
596 value = ntohl(*(__be32 *) &adapter->currmacaddr[2]);
597 slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
598 slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
600 value2 = (u32) ((adapter->currmacaddr[0] << 8 |
601 adapter->currmacaddr[1]) & 0xFFFF);
603 slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
604 slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
606 /* Write our multicast mask out to the card. This is done */
607 /* here in addition to the slic_mcast_addr_set routine */
608 /* because ALL_MCAST may have been enabled or disabled */
609 slic_mcast_set_mask(adapter);
612 static void slic_mac_config(struct adapter *adapter)
615 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
617 /* Setup GMAC gaps */
618 if (adapter->linkspeed == LINK_1000MB) {
619 value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
620 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
621 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
623 value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
624 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
625 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
629 if (adapter->linkspeed == LINK_1000MB)
632 /* enable fullduplex */
633 if ((adapter->linkduplex == LINK_FULLD)
634 || (adapter->macopts & MAC_LOOPBACK)) {
638 /* write mac config */
639 slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH);
641 /* setup mac addresses */
642 slic_mac_address_config(adapter);
645 static void slic_config_set(struct adapter *adapter, bool linkchange)
649 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
653 slic_mac_config(adapter);
654 RcrReset = GRCR_RESET;
656 slic_mac_address_config(adapter);
660 if (adapter->linkduplex == LINK_FULLD) {
662 value = (GXCR_RESET | /* Always reset */
663 GXCR_XMTEN | /* Enable transmit */
664 GXCR_PAUSEEN); /* Enable pause */
666 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
668 /* Setup rcvcfg last */
669 value = (RcrReset | /* Reset, if linkchange */
670 GRCR_CTLEN | /* Enable CTL frames */
671 GRCR_ADDRAEN | /* Address A enable */
672 GRCR_RCVBAD | /* Rcv bad frames */
673 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
676 value = (GXCR_RESET | /* Always reset */
677 GXCR_XMTEN); /* Enable transmit */
679 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
681 /* Setup rcvcfg last */
682 value = (RcrReset | /* Reset, if linkchange */
683 GRCR_ADDRAEN | /* Address A enable */
684 GRCR_RCVBAD | /* Rcv bad frames */
685 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
688 if (adapter->state != ADAPT_DOWN) {
689 /* Only enable receive if we are restarting or running */
693 if (adapter->macopts & MAC_PROMISC)
694 value |= GRCR_RCVALL;
696 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
700 * Turn off RCV and XMT, power down PHY
702 static void slic_config_clear(struct adapter *adapter)
706 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
709 value = (GXCR_RESET | /* Always reset */
710 GXCR_PAUSEEN); /* Enable pause */
712 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
714 value = (GRCR_RESET | /* Always reset */
715 GRCR_CTLEN | /* Enable CTL frames */
716 GRCR_ADDRAEN | /* Address A enable */
717 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
719 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
722 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
723 slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH);
726 static bool slic_mac_filter(struct adapter *adapter,
727 struct ether_header *ether_frame)
729 struct net_device *netdev = adapter->netdev;
730 u32 opts = adapter->macopts;
732 if (opts & MAC_PROMISC)
735 if (is_broadcast_ether_addr(ether_frame->ether_dhost)) {
736 if (opts & MAC_BCAST) {
737 adapter->rcv_broadcasts++;
744 if (is_multicast_ether_addr(ether_frame->ether_dhost)) {
745 if (opts & MAC_ALLMCAST) {
746 adapter->rcv_multicasts++;
747 netdev->stats.multicast++;
750 if (opts & MAC_MCAST) {
751 struct mcast_address *mcaddr = adapter->mcastaddrs;
754 if (ether_addr_equal(mcaddr->address,
755 ether_frame->ether_dhost)) {
756 adapter->rcv_multicasts++;
757 netdev->stats.multicast++;
760 mcaddr = mcaddr->next;
768 if (opts & MAC_DIRECTED) {
769 adapter->rcv_unicasts++;
776 static int slic_mac_set_address(struct net_device *dev, void *ptr)
778 struct adapter *adapter = netdev_priv(dev);
779 struct sockaddr *addr = ptr;
781 if (netif_running(dev))
786 if (!is_valid_ether_addr(addr->sa_data))
789 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
790 memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
792 slic_config_set(adapter, true);
796 static void slic_timer_load_check(ulong cardaddr)
798 struct sliccard *card = (struct sliccard *)cardaddr;
799 struct adapter *adapter = card->master;
801 u32 load = card->events;
804 if ((adapter) && (adapter->state == ADAPT_UP) &&
805 (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
806 intagg = &adapter->slic_regs->slic_intagg;
807 if (adapter->devid == SLIC_1GB_DEVICE_ID) {
808 if (adapter->linkspeed == LINK_1000MB)
811 if (load > SLIC_LOAD_5)
812 level = SLIC_INTAGG_5;
813 else if (load > SLIC_LOAD_4)
814 level = SLIC_INTAGG_4;
815 else if (load > SLIC_LOAD_3)
816 level = SLIC_INTAGG_3;
817 else if (load > SLIC_LOAD_2)
818 level = SLIC_INTAGG_2;
819 else if (load > SLIC_LOAD_1)
820 level = SLIC_INTAGG_1;
822 level = SLIC_INTAGG_0;
824 if (card->loadlevel_current != level) {
825 card->loadlevel_current = level;
826 slic_reg32_write(intagg, level, FLUSH);
829 if (load > SLIC_LOAD_5)
830 level = SLIC_INTAGG_5;
831 else if (load > SLIC_LOAD_4)
832 level = SLIC_INTAGG_4;
833 else if (load > SLIC_LOAD_3)
834 level = SLIC_INTAGG_3;
835 else if (load > SLIC_LOAD_2)
836 level = SLIC_INTAGG_2;
837 else if (load > SLIC_LOAD_1)
838 level = SLIC_INTAGG_1;
840 level = SLIC_INTAGG_0;
841 if (card->loadlevel_current != level) {
842 card->loadlevel_current = level;
843 slic_reg32_write(intagg, level, FLUSH);
848 card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
849 add_timer(&card->loadtimer);
852 static int slic_upr_queue_request(struct adapter *adapter,
856 u32 upr_buffer, u32 upr_buffer_h)
858 struct slic_upr *upr;
859 struct slic_upr *uprqueue;
861 upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
865 upr->adapter = adapter->port;
866 upr->upr_request = upr_request;
867 upr->upr_data = upr_data;
868 upr->upr_buffer = upr_buffer;
869 upr->upr_data_h = upr_data_h;
870 upr->upr_buffer_h = upr_buffer_h;
872 if (adapter->upr_list) {
873 uprqueue = adapter->upr_list;
875 while (uprqueue->next)
876 uprqueue = uprqueue->next;
877 uprqueue->next = upr;
879 adapter->upr_list = upr;
884 static void slic_upr_start(struct adapter *adapter)
886 struct slic_upr *upr;
887 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
893 upr = adapter->upr_list;
896 if (adapter->upr_busy)
898 adapter->upr_busy = 1;
900 switch (upr->upr_request) {
902 if (upr->upr_data_h == 0) {
903 slic_reg32_write(&slic_regs->slic_stats, upr->upr_data,
906 slic_reg64_write(adapter, &slic_regs->slic_stats64,
908 &slic_regs->slic_addr_upper,
909 upr->upr_data_h, FLUSH);
914 slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data,
915 &slic_regs->slic_addr_upper, upr->upr_data_h,
919 case SLIC_UPR_RCONFIG:
920 slic_reg64_write(adapter, &slic_regs->slic_rconfig,
921 upr->upr_data, &slic_regs->slic_addr_upper,
922 upr->upr_data_h, FLUSH);
925 slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH);
930 static int slic_upr_request(struct adapter *adapter,
934 u32 upr_buffer, u32 upr_buffer_h)
939 spin_lock_irqsave(&adapter->upr_lock, flags);
940 rc = slic_upr_queue_request(adapter,
943 upr_data_h, upr_buffer, upr_buffer_h);
947 slic_upr_start(adapter);
949 spin_unlock_irqrestore(&adapter->upr_lock, flags);
953 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
955 u32 linkstatus = adapter->pshmem->linkstatus;
957 unsigned char linkspeed;
958 unsigned char linkduplex;
960 if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
961 struct slic_shmem *pshmem;
963 pshmem = (struct slic_shmem *)(unsigned long)
965 #if BITS_PER_LONG == 64
966 slic_upr_queue_request(adapter,
968 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
969 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
972 slic_upr_queue_request(adapter,
974 (u32) &pshmem->linkstatus,
975 SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
979 if (adapter->state != ADAPT_UP)
982 linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
983 if (linkstatus & GIG_SPEED_1000)
984 linkspeed = LINK_1000MB;
985 else if (linkstatus & GIG_SPEED_100)
986 linkspeed = LINK_100MB;
988 linkspeed = LINK_10MB;
990 if (linkstatus & GIG_FULLDUPLEX)
991 linkduplex = LINK_FULLD;
993 linkduplex = LINK_HALFD;
995 if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN))
998 /* link up event, but nothing has changed */
999 if ((adapter->linkstate == LINK_UP) &&
1000 (linkup == LINK_UP) &&
1001 (adapter->linkspeed == linkspeed) &&
1002 (adapter->linkduplex == linkduplex))
1005 /* link has changed at this point */
1007 /* link has gone from up to down */
1008 if (linkup == LINK_DOWN) {
1009 adapter->linkstate = LINK_DOWN;
1013 /* link has gone from down to up */
1014 adapter->linkspeed = linkspeed;
1015 adapter->linkduplex = linkduplex;
1017 if (adapter->linkstate != LINK_UP) {
1019 slic_config_set(adapter, true);
1020 adapter->linkstate = LINK_UP;
1021 netif_start_queue(adapter->netdev);
1025 static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
1027 struct sliccard *card = adapter->card;
1028 struct slic_upr *upr;
1029 unsigned long flags;
1031 spin_lock_irqsave(&adapter->upr_lock, flags);
1032 upr = adapter->upr_list;
1034 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1037 adapter->upr_list = upr->next;
1039 adapter->upr_busy = 0;
1040 switch (upr->upr_request) {
1041 case SLIC_UPR_STATS:
1043 struct slic_stats *slicstats =
1044 (struct slic_stats *) &adapter->pshmem->inicstats;
1045 struct slic_stats *newstats = slicstats;
1046 struct slic_stats *old = &adapter->inicstats_prev;
1047 struct slicnet_stats *stst = &adapter->slic_stats;
1049 if (isr & ISR_UPCERR) {
1050 dev_err(&adapter->netdev->dev,
1051 "SLIC_UPR_STATS command failed isr[%x]\n",
1056 UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
1057 newstats->xmit_tcp_segs_gb,
1058 old->xmit_tcp_segs_gb);
1060 UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
1061 newstats->xmit_tcp_bytes_gb,
1062 old->xmit_tcp_bytes_gb);
1064 UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
1065 newstats->rcv_tcp_segs_gb,
1066 old->rcv_tcp_segs_gb);
1068 UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
1069 newstats->rcv_tcp_bytes_gb,
1070 old->rcv_tcp_bytes_gb);
1072 UPDATE_STATS_GB(stst->iface.xmt_bytes,
1073 newstats->xmit_bytes_gb,
1074 old->xmit_bytes_gb);
1076 UPDATE_STATS_GB(stst->iface.xmt_ucast,
1077 newstats->xmit_unicasts_gb,
1078 old->xmit_unicasts_gb);
1080 UPDATE_STATS_GB(stst->iface.rcv_bytes,
1081 newstats->rcv_bytes_gb,
1084 UPDATE_STATS_GB(stst->iface.rcv_ucast,
1085 newstats->rcv_unicasts_gb,
1086 old->rcv_unicasts_gb);
1088 UPDATE_STATS_GB(stst->iface.xmt_errors,
1089 newstats->xmit_collisions_gb,
1090 old->xmit_collisions_gb);
1092 UPDATE_STATS_GB(stst->iface.xmt_errors,
1093 newstats->xmit_excess_collisions_gb,
1094 old->xmit_excess_collisions_gb);
1096 UPDATE_STATS_GB(stst->iface.xmt_errors,
1097 newstats->xmit_other_error_gb,
1098 old->xmit_other_error_gb);
1100 UPDATE_STATS_GB(stst->iface.rcv_errors,
1101 newstats->rcv_other_error_gb,
1102 old->rcv_other_error_gb);
1104 UPDATE_STATS_GB(stst->iface.rcv_discards,
1105 newstats->rcv_drops_gb,
1108 if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
1109 adapter->rcv_drops +=
1110 (newstats->rcv_drops_gb -
1113 memcpy(old, newstats, sizeof(struct slic_stats));
1117 slic_link_upr_complete(adapter, isr);
1119 case SLIC_UPR_RCONFIG:
1122 card->pingstatus |= (isr & ISR_PINGDSMASK);
1126 slic_upr_start(adapter);
1127 spin_unlock_irqrestore(&adapter->upr_lock, flags);
1130 static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
1132 return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h,
1137 * Compute a checksum of the EEPROM according to RFC 1071.
1139 static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
1145 checksum += *(wp++);
1150 checksum += *(u8 *) wp;
1153 while (checksum >> 16)
1154 checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
1159 static void slic_rspqueue_free(struct adapter *adapter)
1162 struct slic_rspqueue *rspq = &adapter->rspqueue;
1164 for (i = 0; i < rspq->num_pages; i++) {
1165 if (rspq->vaddr[i]) {
1166 pci_free_consistent(adapter->pcidev, PAGE_SIZE,
1167 rspq->vaddr[i], rspq->paddr[i]);
1169 rspq->vaddr[i] = NULL;
1173 rspq->pageindex = 0;
1174 rspq->rspbuf = NULL;
1177 static int slic_rspqueue_init(struct adapter *adapter)
1180 struct slic_rspqueue *rspq = &adapter->rspqueue;
1181 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
1184 memset(rspq, 0, sizeof(struct slic_rspqueue));
1186 rspq->num_pages = SLIC_RSPQ_PAGES_GB;
1188 for (i = 0; i < rspq->num_pages; i++) {
1189 rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
1192 if (!rspq->vaddr[i]) {
1193 dev_err(&adapter->pcidev->dev,
1194 "pci_alloc_consistent failed\n");
1195 slic_rspqueue_free(adapter);
1200 slic_reg32_write(&slic_regs->slic_rbar,
1201 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1204 slic_reg64_write(adapter, &slic_regs->slic_rbar64,
1205 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1206 &slic_regs->slic_addr_upper,
1207 paddrh, DONT_FLUSH);
1211 rspq->pageindex = 0;
1212 rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
1216 static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
1218 struct slic_rspqueue *rspq = &adapter->rspqueue;
1219 struct slic_rspbuf *buf;
1221 if (!(rspq->rspbuf->status))
1225 if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
1228 slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64,
1229 (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
1230 &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
1231 rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages;
1233 rspq->rspbuf = (struct slic_rspbuf *)
1234 rspq->vaddr[rspq->pageindex];
1240 static void slic_cmdqmem_free(struct adapter *adapter)
1242 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1245 for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
1246 if (cmdqmem->pages[i]) {
1247 pci_free_consistent(adapter->pcidev,
1249 (void *) cmdqmem->pages[i],
1250 cmdqmem->dma_pages[i]);
1253 memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
1256 static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
1258 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1261 if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
1263 pageaddr = pci_alloc_consistent(adapter->pcidev,
1265 &cmdqmem->dma_pages[cmdqmem->pagecnt]);
1269 cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
1274 static void slic_cmdq_free(struct adapter *adapter)
1276 struct slic_hostcmd *cmd;
1278 cmd = adapter->cmdq_all.head;
1281 struct sk_buff *tempskb;
1286 dev_kfree_skb_irq(tempskb);
1289 cmd = cmd->next_all;
1291 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1292 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1293 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1294 slic_cmdqmem_free(adapter);
1297 static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
1299 struct slic_hostcmd *cmd;
1300 struct slic_hostcmd *prev;
1301 struct slic_hostcmd *tail;
1302 struct slic_cmdqueue *cmdq;
1308 struct slic_handle *pslic_handle;
1309 unsigned long flags;
1312 cmd = (struct slic_hostcmd *)cmdaddr;
1315 phys_addr = virt_to_bus((void *)page);
1316 phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
1317 phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
1321 while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
1322 (adapter->slic_handle_ix < 256)) {
1323 /* Allocate and initialize a SLIC_HANDLE for this command */
1324 spin_lock_irqsave(&adapter->handle_lock, flags);
1325 pslic_handle = adapter->pfree_slic_handles;
1326 adapter->pfree_slic_handles = pslic_handle->next;
1327 spin_unlock_irqrestore(&adapter->handle_lock, flags);
1328 pslic_handle->type = SLIC_HANDLE_CMD;
1329 pslic_handle->address = (void *) cmd;
1330 pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
1331 pslic_handle->other_handle = NULL;
1332 pslic_handle->next = NULL;
1334 cmd->pslic_handle = pslic_handle;
1335 cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
1337 cmd->paddrl = phys_addrl;
1338 cmd->paddrh = phys_addrh;
1339 cmd->next_all = prev;
1342 phys_addrl += SLIC_HOSTCMD_SIZE;
1343 cmdaddr += SLIC_HOSTCMD_SIZE;
1345 cmd = (struct slic_hostcmd *)cmdaddr;
1349 cmdq = &adapter->cmdq_all;
1350 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1351 tail->next_all = cmdq->head;
1353 cmdq = &adapter->cmdq_free;
1354 spin_lock_irqsave(&cmdq->lock, flags);
1355 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1356 tail->next = cmdq->head;
1358 spin_unlock_irqrestore(&cmdq->lock, flags);
1361 static int slic_cmdq_init(struct adapter *adapter)
1366 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1367 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1368 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1369 spin_lock_init(&adapter->cmdq_all.lock);
1370 spin_lock_init(&adapter->cmdq_free.lock);
1371 spin_lock_init(&adapter->cmdq_done.lock);
1372 memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
1373 adapter->slic_handle_ix = 1;
1374 for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
1375 pageaddr = slic_cmdqmem_addpage(adapter);
1377 slic_cmdq_free(adapter);
1380 slic_cmdq_addcmdpage(adapter, pageaddr);
1382 adapter->slic_handle_ix = 1;
1387 static void slic_cmdq_reset(struct adapter *adapter)
1389 struct slic_hostcmd *hcmd;
1390 struct sk_buff *skb;
1392 unsigned long flags;
1394 spin_lock_irqsave(&adapter->cmdq_free.lock, flags);
1395 spin_lock(&adapter->cmdq_done.lock);
1396 outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
1397 outstanding -= adapter->cmdq_free.count;
1398 hcmd = adapter->cmdq_all.head;
1404 dev_kfree_skb_irq(skb);
1406 hcmd = hcmd->next_all;
1408 adapter->cmdq_free.count = 0;
1409 adapter->cmdq_free.head = NULL;
1410 adapter->cmdq_free.tail = NULL;
1411 adapter->cmdq_done.count = 0;
1412 adapter->cmdq_done.head = NULL;
1413 adapter->cmdq_done.tail = NULL;
1414 adapter->cmdq_free.head = adapter->cmdq_all.head;
1415 hcmd = adapter->cmdq_all.head;
1417 adapter->cmdq_free.count++;
1418 hcmd->next = hcmd->next_all;
1419 hcmd = hcmd->next_all;
1421 if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
1422 dev_err(&adapter->netdev->dev,
1423 "free_count %d != all count %d\n",
1424 adapter->cmdq_free.count, adapter->cmdq_all.count);
1426 spin_unlock(&adapter->cmdq_done.lock);
1427 spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags);
1430 static void slic_cmdq_getdone(struct adapter *adapter)
1432 struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
1433 struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
1434 unsigned long flags;
1436 spin_lock_irqsave(&done_cmdq->lock, flags);
1438 free_cmdq->head = done_cmdq->head;
1439 free_cmdq->count = done_cmdq->count;
1440 done_cmdq->head = NULL;
1441 done_cmdq->tail = NULL;
1442 done_cmdq->count = 0;
1443 spin_unlock_irqrestore(&done_cmdq->lock, flags);
1446 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
1448 struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
1449 struct slic_hostcmd *cmd = NULL;
1450 unsigned long flags;
1453 spin_lock_irqsave(&cmdq->lock, flags);
1457 cmdq->head = cmd->next;
1459 spin_unlock_irqrestore(&cmdq->lock, flags);
1461 slic_cmdq_getdone(adapter);
1468 spin_unlock_irqrestore(&cmdq->lock, flags);
1469 pageaddr = slic_cmdqmem_addpage(adapter);
1471 slic_cmdq_addcmdpage(adapter, pageaddr);
1472 goto lock_and_retry;
1479 static void slic_cmdq_putdone_irq(struct adapter *adapter,
1480 struct slic_hostcmd *cmd)
1482 struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
1484 spin_lock(&cmdq->lock);
1486 cmd->next = cmdq->head;
1489 if ((adapter->xmitq_full) && (cmdq->count > 10))
1490 netif_wake_queue(adapter->netdev);
1491 spin_unlock(&cmdq->lock);
1494 static int slic_rcvqueue_fill(struct adapter *adapter)
1499 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1501 struct device *dev = &adapter->netdev->dev;
1503 while (i < SLIC_RCVQ_FILLENTRIES) {
1504 struct slic_rcvbuf *rcvbuf;
1505 struct sk_buff *skb;
1506 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1509 skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
1511 paddr = (void *)(unsigned long)
1512 pci_map_single(adapter->pcidev,
1514 SLIC_RCVQ_RCVBUFSIZE,
1515 PCI_DMA_FROMDEVICE);
1516 paddrl = SLIC_GET_ADDR_LOW(paddr);
1517 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1519 skb->len = SLIC_RCVBUF_HEADSIZE;
1520 rcvbuf = (struct slic_rcvbuf *)skb->head;
1523 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1525 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1527 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1528 dev_err(dev, " skbdata[%p]\n",
1530 dev_err(dev, " skblen[%x]\n", skb->len);
1531 dev_err(dev, " paddr[%p]\n", paddr);
1532 dev_err(dev, " paddrl[%x]\n", paddrl);
1533 dev_err(dev, " paddrh[%x]\n", paddrh);
1534 dev_err(dev, " rcvq->head[%p]\n",
1536 dev_err(dev, " rcvq->tail[%p]\n",
1538 dev_err(dev, " rcvq->count[%x]\n",
1540 dev_err(dev, "SKIP THIS SKB!!!!!!!!\n");
1541 goto retry_rcvqfill;
1545 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1547 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1548 dev_err(dev, " skbdata[%p]\n",
1550 dev_err(dev, " skblen[%x]\n", skb->len);
1551 dev_err(dev, " paddr[%p]\n", paddr);
1552 dev_err(dev, " paddrl[%x]\n", paddrl);
1553 dev_err(dev, " paddrh[%x]\n", paddrh);
1554 dev_err(dev, " rcvq->head[%p]\n",
1556 dev_err(dev, " rcvq->tail[%p]\n",
1558 dev_err(dev, " rcvq->count[%x]\n",
1560 dev_err(dev, "GIVE TO CARD ANYWAY\n");
1564 slic_reg32_write(&adapter->slic_regs->slic_hbar,
1565 (u32)paddrl, DONT_FLUSH);
1567 slic_reg64_write(adapter,
1568 &adapter->slic_regs->slic_hbar64,
1570 &adapter->slic_regs->slic_addr_upper,
1571 paddrh, DONT_FLUSH);
1574 rcvq->tail->next = skb;
1581 dev_err(&adapter->netdev->dev,
1582 "slic_rcvqueue_fill could only get [%d] skbuffs\n",
1590 static void slic_rcvqueue_free(struct adapter *adapter)
1592 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1593 struct sk_buff *skb;
1595 while (rcvq->head) {
1597 rcvq->head = rcvq->head->next;
1605 static int slic_rcvqueue_init(struct adapter *adapter)
1608 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1612 rcvq->size = SLIC_RCVQ_ENTRIES;
1615 i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES;
1618 count += slic_rcvqueue_fill(adapter);
1621 if (rcvq->count < SLIC_RCVQ_MINENTRIES) {
1622 slic_rcvqueue_free(adapter);
1628 static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter)
1630 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1631 struct sk_buff *skb;
1632 struct slic_rcvbuf *rcvbuf;
1637 rcvbuf = (struct slic_rcvbuf *)skb->head;
1639 if (rcvbuf->status & IRHDDR_SVALID) {
1640 rcvq->head = rcvq->head->next;
1647 dev_err(&adapter->netdev->dev,
1648 "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count);
1651 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
1652 count = slic_rcvqueue_fill(adapter);
1661 static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
1663 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1667 struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
1670 paddr = (void *)(unsigned long)
1671 pci_map_single(adapter->pcidev, skb->head,
1672 SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
1676 paddrl = SLIC_GET_ADDR_LOW(paddr);
1677 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1680 dev = &adapter->netdev->dev;
1681 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1683 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1684 dev_err(dev, " skbdata[%p]\n", skb->data);
1685 dev_err(dev, " skblen[%x]\n", skb->len);
1686 dev_err(dev, " paddr[%p]\n", paddr);
1687 dev_err(dev, " paddrl[%x]\n", paddrl);
1688 dev_err(dev, " paddrh[%x]\n", paddrh);
1689 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1690 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1691 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
1694 slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl,
1697 slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64,
1698 paddrl, &adapter->slic_regs->slic_addr_upper,
1699 paddrh, DONT_FLUSH);
1702 rcvq->tail->next = skb;
1711 * slic_link_event_handler -
1713 * Initiate a link configuration sequence. The link configuration begins
1714 * by issuing a READ_LINK_STATUS command to the Utility Processor on the
1715 * SLIC. Since the command finishes asynchronously, the slic_upr_comlete
1716 * routine will follow it up witha UP configuration write command, which
1717 * will also complete asynchronously.
1720 static int slic_link_event_handler(struct adapter *adapter)
1723 struct slic_shmem *pshmem;
1725 if (adapter->state != ADAPT_UP) {
1726 /* Adapter is not operational. Ignore. */
1730 pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
1732 #if BITS_PER_LONG == 64
1733 status = slic_upr_request(adapter,
1735 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
1736 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
1739 status = slic_upr_request(adapter, SLIC_UPR_RLSR,
1740 (u32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */
1746 static void slic_init_cleanup(struct adapter *adapter)
1748 if (adapter->intrregistered) {
1749 adapter->intrregistered = 0;
1750 free_irq(adapter->netdev->irq, adapter->netdev);
1753 if (adapter->pshmem) {
1754 pci_free_consistent(adapter->pcidev,
1755 sizeof(struct slic_shmem),
1756 adapter->pshmem, adapter->phys_shmem);
1757 adapter->pshmem = NULL;
1758 adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
1761 if (adapter->pingtimerset) {
1762 adapter->pingtimerset = 0;
1763 del_timer(&adapter->pingtimer);
1766 slic_rspqueue_free(adapter);
1767 slic_cmdq_free(adapter);
1768 slic_rcvqueue_free(adapter);
1772 * Allocate a mcast_address structure to hold the multicast address.
1775 static int slic_mcast_add_list(struct adapter *adapter, char *address)
1777 struct mcast_address *mcaddr, *mlist;
1779 /* Check to see if it already exists */
1780 mlist = adapter->mcastaddrs;
1782 if (ether_addr_equal(mlist->address, address))
1784 mlist = mlist->next;
1787 /* Doesn't already exist. Allocate a structure to hold it */
1788 mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
1792 ether_addr_copy(mcaddr->address, address);
1794 mcaddr->next = adapter->mcastaddrs;
1795 adapter->mcastaddrs = mcaddr;
1800 static void slic_mcast_set_list(struct net_device *dev)
1802 struct adapter *adapter = netdev_priv(dev);
1805 struct netdev_hw_addr *ha;
1807 netdev_for_each_mc_addr(ha, dev) {
1808 addresses = (char *) &ha->addr;
1809 status = slic_mcast_add_list(adapter, addresses);
1812 slic_mcast_set_bit(adapter, addresses);
1815 if (adapter->devflags_prev != dev->flags) {
1816 adapter->macopts = MAC_DIRECTED;
1818 if (dev->flags & IFF_BROADCAST)
1819 adapter->macopts |= MAC_BCAST;
1820 if (dev->flags & IFF_PROMISC)
1821 adapter->macopts |= MAC_PROMISC;
1822 if (dev->flags & IFF_ALLMULTI)
1823 adapter->macopts |= MAC_ALLMCAST;
1824 if (dev->flags & IFF_MULTICAST)
1825 adapter->macopts |= MAC_MCAST;
1827 adapter->devflags_prev = dev->flags;
1828 slic_config_set(adapter, true);
1831 slic_mcast_set_mask(adapter);
1835 #define XMIT_FAIL_LINK_STATE 1
1836 #define XMIT_FAIL_ZERO_LENGTH 2
1837 #define XMIT_FAIL_HOSTCMD_FAIL 3
1839 static void slic_xmit_build_request(struct adapter *adapter,
1840 struct slic_hostcmd *hcmd, struct sk_buff *skb)
1842 struct slic_host64_cmd *ihcmd;
1845 ihcmd = &hcmd->cmd64;
1847 ihcmd->flags = adapter->port << IHFLG_IFSHFT;
1848 ihcmd->command = IHCMD_XMT_REQ;
1849 ihcmd->u.slic_buffers.totlen = skb->len;
1850 phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
1852 ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
1853 ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
1854 ihcmd->u.slic_buffers.bufs[0].length = skb->len;
1855 #if BITS_PER_LONG == 64
1856 hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] -
1857 (u64) hcmd) + 31) >> 5);
1859 hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] -
1860 (u32)hcmd) + 31) >> 5;
1864 static void slic_xmit_fail(struct adapter *adapter,
1865 struct sk_buff *skb,
1866 void *cmd, u32 skbtype, u32 status)
1868 if (adapter->xmitq_full)
1869 netif_stop_queue(adapter->netdev);
1870 if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
1872 case XMIT_FAIL_LINK_STATE:
1873 dev_err(&adapter->netdev->dev,
1874 "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n",
1876 SLIC_LINKSTATE(adapter->linkstate),
1877 SLIC_ADAPTER_STATE(adapter->state),
1879 SLIC_CARD_STATE(adapter->card->state),
1880 adapter->card->state);
1882 case XMIT_FAIL_ZERO_LENGTH:
1883 dev_err(&adapter->netdev->dev,
1884 "xmit_start skb->len == 0 skb[%p] type[%x]\n",
1885 skb, skb->pkt_type);
1887 case XMIT_FAIL_HOSTCMD_FAIL:
1888 dev_err(&adapter->netdev->dev,
1889 "xmit_start skb[%p] type[%x] No host commands available\n",
1890 skb, skb->pkt_type);
1895 adapter->netdev->stats.tx_dropped++;
1898 static void slic_rcv_handle_error(struct adapter *adapter,
1899 struct slic_rcvbuf *rcvbuf)
1901 struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
1902 struct net_device *netdev = adapter->netdev;
1904 if (adapter->devid != SLIC_1GB_DEVICE_ID) {
1905 if (hdr->frame_status14 & VRHSTAT_802OE)
1906 adapter->if_events.oflow802++;
1907 if (hdr->frame_status14 & VRHSTAT_TPOFLO)
1908 adapter->if_events.Tprtoflow++;
1909 if (hdr->frame_status_b14 & VRHSTATB_802UE)
1910 adapter->if_events.uflow802++;
1911 if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
1912 adapter->if_events.rcvearly++;
1913 netdev->stats.rx_fifo_errors++;
1915 if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
1916 adapter->if_events.Bufov++;
1917 netdev->stats.rx_over_errors++;
1919 if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
1920 adapter->if_events.Carre++;
1921 netdev->stats.tx_carrier_errors++;
1923 if (hdr->frame_status_b14 & VRHSTATB_LONGE)
1924 adapter->if_events.Longe++;
1925 if (hdr->frame_status_b14 & VRHSTATB_PREA)
1926 adapter->if_events.Invp++;
1927 if (hdr->frame_status_b14 & VRHSTATB_CRC) {
1928 adapter->if_events.Crc++;
1929 netdev->stats.rx_crc_errors++;
1931 if (hdr->frame_status_b14 & VRHSTATB_DRBL)
1932 adapter->if_events.Drbl++;
1933 if (hdr->frame_status_b14 & VRHSTATB_CODE)
1934 adapter->if_events.Code++;
1935 if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
1936 adapter->if_events.TpCsum++;
1937 if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
1938 adapter->if_events.TpHlen++;
1939 if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
1940 adapter->if_events.IpCsum++;
1941 if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
1942 adapter->if_events.IpLen++;
1943 if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
1944 adapter->if_events.IpHlen++;
1946 if (hdr->frame_statusGB & VGBSTAT_XPERR) {
1947 u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
1949 if (xerr == VGBSTAT_XCSERR)
1950 adapter->if_events.TpCsum++;
1951 if (xerr == VGBSTAT_XUFLOW)
1952 adapter->if_events.Tprtoflow++;
1953 if (xerr == VGBSTAT_XHLEN)
1954 adapter->if_events.TpHlen++;
1956 if (hdr->frame_statusGB & VGBSTAT_NETERR) {
1959 frame_statusGB >> VGBSTAT_NERRSHFT) &
1961 if (nerr == VGBSTAT_NCSERR)
1962 adapter->if_events.IpCsum++;
1963 if (nerr == VGBSTAT_NUFLOW)
1964 adapter->if_events.IpLen++;
1965 if (nerr == VGBSTAT_NHLEN)
1966 adapter->if_events.IpHlen++;
1968 if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
1969 u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
1971 if (lerr == VGBSTAT_LDEARLY)
1972 adapter->if_events.rcvearly++;
1973 if (lerr == VGBSTAT_LBOFLO)
1974 adapter->if_events.Bufov++;
1975 if (lerr == VGBSTAT_LCODERR)
1976 adapter->if_events.Code++;
1977 if (lerr == VGBSTAT_LDBLNBL)
1978 adapter->if_events.Drbl++;
1979 if (lerr == VGBSTAT_LCRCERR)
1980 adapter->if_events.Crc++;
1981 if (lerr == VGBSTAT_LOFLO)
1982 adapter->if_events.oflow802++;
1983 if (lerr == VGBSTAT_LUFLO)
1984 adapter->if_events.uflow802++;
1989 #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000
1990 #define M_FAST_PATH 0x0040
1992 static void slic_rcv_handler(struct adapter *adapter)
1994 struct net_device *netdev = adapter->netdev;
1995 struct sk_buff *skb;
1996 struct slic_rcvbuf *rcvbuf;
1999 while ((skb = slic_rcvqueue_getnext(adapter))) {
2002 rcvbuf = (struct slic_rcvbuf *)skb->head;
2003 adapter->card->events++;
2004 if (rcvbuf->status & IRHDDR_ERR) {
2005 adapter->rx_errors++;
2006 slic_rcv_handle_error(adapter, rcvbuf);
2007 slic_rcvqueue_reinsert(adapter, skb);
2011 if (!slic_mac_filter(adapter, (struct ether_header *)
2013 slic_rcvqueue_reinsert(adapter, skb);
2016 skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
2017 rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
2018 skb_put(skb, rx_bytes);
2019 netdev->stats.rx_packets++;
2020 netdev->stats.rx_bytes += rx_bytes;
2021 #if SLIC_OFFLOAD_IP_CHECKSUM
2022 skb->ip_summed = CHECKSUM_UNNECESSARY;
2025 skb->dev = adapter->netdev;
2026 skb->protocol = eth_type_trans(skb, skb->dev);
2030 #if SLIC_INTERRUPT_PROCESS_LIMIT
2031 if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
2032 adapter->rcv_interrupt_yields++;
2037 adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
2040 static void slic_xmit_complete(struct adapter *adapter)
2042 struct slic_hostcmd *hcmd;
2043 struct slic_rspbuf *rspbuf;
2045 struct slic_handle_word slic_handle_word;
2048 rspbuf = slic_rspqueue_getnext(adapter);
2051 adapter->xmit_completes++;
2052 adapter->card->events++;
2054 Get the complete host command buffer
2056 slic_handle_word.handle_token = rspbuf->hosthandle;
2058 (struct slic_hostcmd *)
2059 adapter->slic_handles[slic_handle_word.handle_index].
2061 /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
2062 if (hcmd->type == SLIC_CMD_DUMB) {
2064 dev_kfree_skb_irq(hcmd->skb);
2065 slic_cmdq_putdone_irq(adapter, hcmd);
2068 rspbuf->hosthandle = 0;
2071 adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
2074 static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
2075 struct net_device *dev)
2077 if (isr & ~ISR_IO) {
2078 if (isr & ISR_ERR) {
2079 adapter->error_interrupts++;
2080 if (isr & ISR_RMISS) {
2085 struct slic_rcvqueue *rcvq =
2088 adapter->error_rmiss_interrupts++;
2091 rcv_count = rcvq->count;
2092 pre_count = rcvq->count;
2093 errors = rcvq->errors;
2095 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
2096 count = slic_rcvqueue_fill(adapter);
2100 } else if (isr & ISR_XDROP) {
2102 "isr & ISR_ERR [%x] ISR_XDROP\n",
2106 "isr & ISR_ERR [%x]\n",
2111 if (isr & ISR_LEVENT) {
2112 adapter->linkevent_interrupts++;
2113 slic_link_event_handler(adapter);
2116 if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
2117 (isr & ISR_UPCBSY)) {
2118 adapter->upr_interrupts++;
2119 slic_upr_request_complete(adapter, isr);
2123 if (isr & ISR_RCV) {
2124 adapter->rcv_interrupts++;
2125 slic_rcv_handler(adapter);
2128 if (isr & ISR_CMD) {
2129 adapter->xmit_interrupts++;
2130 slic_xmit_complete(adapter);
2135 static irqreturn_t slic_interrupt(int irq, void *dev_id)
2137 struct net_device *dev = (struct net_device *)dev_id;
2138 struct adapter *adapter = netdev_priv(dev);
2141 if ((adapter->pshmem) && (adapter->pshmem->isr)) {
2142 slic_reg32_write(&adapter->slic_regs->slic_icr,
2143 ICR_INT_MASK, FLUSH);
2144 isr = adapter->isrcopy = adapter->pshmem->isr;
2145 adapter->pshmem->isr = 0;
2146 adapter->num_isrs++;
2147 switch (adapter->card->state) {
2149 slic_interrupt_card_up(isr, adapter, dev);
2153 if ((isr & ISR_UPC) ||
2154 (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
2155 adapter->upr_interrupts++;
2156 slic_upr_request_complete(adapter, isr);
2161 adapter->isrcopy = 0;
2162 adapter->all_reg_writes += 2;
2163 adapter->isr_reg_writes++;
2164 slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH);
2166 adapter->false_interrupts++;
2171 #define NORMAL_ETHFRAME 0
2173 static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
2175 struct sliccard *card;
2176 struct adapter *adapter = netdev_priv(dev);
2177 struct slic_hostcmd *hcmd = NULL;
2179 void *offloadcmd = NULL;
2181 card = adapter->card;
2182 if ((adapter->linkstate != LINK_UP) ||
2183 (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
2184 status = XMIT_FAIL_LINK_STATE;
2187 } else if (skb->len == 0) {
2188 status = XMIT_FAIL_ZERO_LENGTH;
2192 hcmd = slic_cmdq_getfree(adapter);
2194 adapter->xmitq_full = 1;
2195 status = XMIT_FAIL_HOSTCMD_FAIL;
2200 hcmd->type = SLIC_CMD_DUMB;
2201 slic_xmit_build_request(adapter, hcmd, skb);
2202 dev->stats.tx_packets++;
2203 dev->stats.tx_bytes += skb->len;
2206 if (adapter->kill_card) {
2207 struct slic_host64_cmd ihcmd;
2209 ihcmd = &hcmd->cmd64;
2211 ihcmd->flags |= 0x40;
2212 adapter->kill_card = 0; /* only do this once */
2215 if (hcmd->paddrh == 0) {
2216 slic_reg32_write(&adapter->slic_regs->slic_cbar,
2217 (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
2219 slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64,
2220 (hcmd->paddrl | hcmd->cmdsize),
2221 &adapter->slic_regs->slic_addr_upper,
2222 hcmd->paddrh, DONT_FLUSH);
2225 return NETDEV_TX_OK;
2227 slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status);
2232 static void slic_adapter_freeresources(struct adapter *adapter)
2234 slic_init_cleanup(adapter);
2235 adapter->error_interrupts = 0;
2236 adapter->rcv_interrupts = 0;
2237 adapter->xmit_interrupts = 0;
2238 adapter->linkevent_interrupts = 0;
2239 adapter->upr_interrupts = 0;
2240 adapter->num_isrs = 0;
2241 adapter->xmit_completes = 0;
2242 adapter->rcv_broadcasts = 0;
2243 adapter->rcv_multicasts = 0;
2244 adapter->rcv_unicasts = 0;
2247 static int slic_adapter_allocresources(struct adapter *adapter,
2248 unsigned long *flags)
2250 if (!adapter->intrregistered) {
2253 spin_unlock_irqrestore(&slic_global.driver_lock, *flags);
2255 retval = request_irq(adapter->netdev->irq,
2258 adapter->netdev->name, adapter->netdev);
2260 spin_lock_irqsave(&slic_global.driver_lock, *flags);
2263 dev_err(&adapter->netdev->dev,
2264 "request_irq (%s) FAILED [%x]\n",
2265 adapter->netdev->name, retval);
2268 adapter->intrregistered = 1;
2276 * Perform initialization of our slic interface.
2279 static int slic_if_init(struct adapter *adapter, unsigned long *flags)
2281 struct sliccard *card = adapter->card;
2282 struct net_device *dev = adapter->netdev;
2283 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2284 struct slic_shmem *pshmem;
2287 /* adapter should be down at this point */
2288 if (adapter->state != ADAPT_DOWN) {
2289 dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
2295 adapter->devflags_prev = dev->flags;
2296 adapter->macopts = MAC_DIRECTED;
2298 if (dev->flags & IFF_BROADCAST)
2299 adapter->macopts |= MAC_BCAST;
2300 if (dev->flags & IFF_PROMISC)
2301 adapter->macopts |= MAC_PROMISC;
2302 if (dev->flags & IFF_ALLMULTI)
2303 adapter->macopts |= MAC_ALLMCAST;
2304 if (dev->flags & IFF_MULTICAST)
2305 adapter->macopts |= MAC_MCAST;
2307 rc = slic_adapter_allocresources(adapter, flags);
2309 dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n",
2311 slic_adapter_freeresources(adapter);
2315 if (!adapter->queues_initialized) {
2316 rc = slic_rspqueue_init(adapter);
2319 rc = slic_cmdq_init(adapter);
2322 rc = slic_rcvqueue_init(adapter);
2325 adapter->queues_initialized = 1;
2328 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2331 if (!adapter->isp_initialized) {
2332 unsigned long flags;
2334 pshmem = (struct slic_shmem *)(unsigned long)
2335 adapter->phys_shmem;
2337 spin_lock_irqsave(&adapter->bit64reglock, flags);
2339 #if BITS_PER_LONG == 64
2340 slic_reg32_write(&slic_regs->slic_addr_upper,
2341 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2342 slic_reg32_write(&slic_regs->slic_isp,
2343 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2345 slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
2346 slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr,
2349 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2350 adapter->isp_initialized = 1;
2353 adapter->state = ADAPT_UP;
2354 if (!card->loadtimerset) {
2355 setup_timer(&card->loadtimer, &slic_timer_load_check,
2357 card->loadtimer.expires =
2358 jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
2359 add_timer(&card->loadtimer);
2361 card->loadtimerset = 1;
2364 if (!adapter->pingtimerset) {
2365 setup_timer(&adapter->pingtimer, &slic_timer_ping, (ulong)dev);
2366 adapter->pingtimer.expires =
2367 jiffies + (PING_TIMER_INTERVAL * HZ);
2368 add_timer(&adapter->pingtimer);
2369 adapter->pingtimerset = 1;
2370 adapter->card->pingstatus = ISR_PINGMASK;
2374 * clear any pending events, then enable interrupts
2376 adapter->isrcopy = 0;
2377 adapter->pshmem->isr = 0;
2378 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2379 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
2381 slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
2382 rc = slic_link_event_handler(adapter);
2384 /* disable interrupts then clear pending events */
2385 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2386 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2387 if (adapter->pingtimerset) {
2388 del_timer(&adapter->pingtimer);
2389 adapter->pingtimerset = 0;
2391 if (card->loadtimerset) {
2392 del_timer(&card->loadtimer);
2393 card->loadtimerset = 0;
2395 adapter->state = ADAPT_DOWN;
2396 slic_adapter_freeresources(adapter);
2403 static int slic_entry_open(struct net_device *dev)
2405 struct adapter *adapter = netdev_priv(dev);
2406 struct sliccard *card = adapter->card;
2407 unsigned long flags;
2410 netif_stop_queue(adapter->netdev);
2412 spin_lock_irqsave(&slic_global.driver_lock, flags);
2413 if (!adapter->activated) {
2414 card->adapters_activated++;
2415 slic_global.num_slic_ports_active++;
2416 adapter->activated = 1;
2418 status = slic_if_init(adapter, &flags);
2421 if (adapter->activated) {
2422 card->adapters_activated--;
2423 slic_global.num_slic_ports_active--;
2424 adapter->activated = 0;
2429 card->master = adapter;
2432 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2436 static void slic_card_cleanup(struct sliccard *card)
2438 if (card->loadtimerset) {
2439 card->loadtimerset = 0;
2440 del_timer_sync(&card->loadtimer);
2446 static void slic_entry_remove(struct pci_dev *pcidev)
2448 struct net_device *dev = pci_get_drvdata(pcidev);
2449 struct adapter *adapter = netdev_priv(dev);
2450 struct sliccard *card;
2451 struct mcast_address *mcaddr, *mlist;
2453 unregister_netdev(dev);
2455 slic_adapter_freeresources(adapter);
2456 slic_unmap_mmio_space(adapter);
2458 /* free multicast addresses */
2459 mlist = adapter->mcastaddrs;
2462 mlist = mlist->next;
2465 card = adapter->card;
2466 card->adapters_allocated--;
2467 adapter->allocated = 0;
2468 if (!card->adapters_allocated) {
2469 struct sliccard *curr_card = slic_global.slic_card;
2471 if (curr_card == card) {
2472 slic_global.slic_card = card->next;
2474 while (curr_card->next != card)
2475 curr_card = curr_card->next;
2476 curr_card->next = card->next;
2478 slic_global.num_slic_cards--;
2479 slic_card_cleanup(card);
2482 pci_release_regions(pcidev);
2483 pci_disable_device(pcidev);
2486 static int slic_entry_halt(struct net_device *dev)
2488 struct adapter *adapter = netdev_priv(dev);
2489 struct sliccard *card = adapter->card;
2490 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2491 unsigned long flags;
2493 spin_lock_irqsave(&slic_global.driver_lock, flags);
2494 netif_stop_queue(adapter->netdev);
2495 adapter->state = ADAPT_DOWN;
2496 adapter->linkstate = LINK_DOWN;
2497 adapter->upr_list = NULL;
2498 adapter->upr_busy = 0;
2499 adapter->devflags_prev = 0;
2500 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2501 adapter->all_reg_writes++;
2502 adapter->icr_reg_writes++;
2503 slic_config_clear(adapter);
2504 if (adapter->activated) {
2505 card->adapters_activated--;
2506 slic_global.num_slic_ports_active--;
2507 adapter->activated = 0;
2509 #ifdef AUTOMATIC_RESET
2510 slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH);
2513 * Reset the adapter's cmd queues
2515 slic_cmdq_reset(adapter);
2517 #ifdef AUTOMATIC_RESET
2518 if (!card->adapters_activated)
2519 slic_card_init(card, adapter);
2522 spin_unlock_irqrestore(&slic_global.driver_lock, flags);
2526 static struct net_device_stats *slic_get_stats(struct net_device *dev)
2528 struct adapter *adapter = netdev_priv(dev);
2530 dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions;
2531 dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors;
2532 dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors;
2533 dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
2534 dev->stats.tx_heartbeat_errors = 0;
2535 dev->stats.tx_aborted_errors = 0;
2536 dev->stats.tx_window_errors = 0;
2537 dev->stats.tx_fifo_errors = 0;
2538 dev->stats.rx_frame_errors = 0;
2539 dev->stats.rx_length_errors = 0;
2544 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2546 struct adapter *adapter = netdev_priv(dev);
2547 struct ethtool_cmd edata;
2548 struct ethtool_cmd ecmd;
2553 case SIOCSLICSETINTAGG:
2554 if (copy_from_user(data, rq->ifr_data, 28))
2557 dev_err(&dev->dev, "set interrupt aggregation to %d\n",
2559 slic_intagg_set(adapter, intagg);
2563 if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
2566 if (ecmd.cmd == ETHTOOL_GSET) {
2567 memset(&edata, 0, sizeof(edata));
2568 edata.supported = (SUPPORTED_10baseT_Half |
2569 SUPPORTED_10baseT_Full |
2570 SUPPORTED_100baseT_Half |
2571 SUPPORTED_100baseT_Full |
2572 SUPPORTED_Autoneg | SUPPORTED_MII);
2573 edata.port = PORT_MII;
2574 edata.transceiver = XCVR_INTERNAL;
2575 edata.phy_address = 0;
2576 if (adapter->linkspeed == LINK_100MB)
2577 edata.speed = SPEED_100;
2578 else if (adapter->linkspeed == LINK_10MB)
2579 edata.speed = SPEED_10;
2583 if (adapter->linkduplex == LINK_FULLD)
2584 edata.duplex = DUPLEX_FULL;
2586 edata.duplex = DUPLEX_HALF;
2588 edata.autoneg = AUTONEG_ENABLE;
2591 if (copy_to_user(rq->ifr_data, &edata, sizeof(edata)))
2594 } else if (ecmd.cmd == ETHTOOL_SSET) {
2595 if (!capable(CAP_NET_ADMIN))
2598 if (adapter->linkspeed == LINK_100MB)
2599 edata.speed = SPEED_100;
2600 else if (adapter->linkspeed == LINK_10MB)
2601 edata.speed = SPEED_10;
2605 if (adapter->linkduplex == LINK_FULLD)
2606 edata.duplex = DUPLEX_FULL;
2608 edata.duplex = DUPLEX_HALF;
2610 edata.autoneg = AUTONEG_ENABLE;
2613 if ((ecmd.speed != edata.speed) ||
2614 (ecmd.duplex != edata.duplex)) {
2618 if (ecmd.speed == SPEED_10)
2621 speed = PCR_SPEED_100;
2622 if (ecmd.duplex == DUPLEX_FULL)
2623 duplex = PCR_DUPLEX_FULL;
2626 slic_link_config(adapter, speed, duplex);
2627 if (slic_link_event_handler(adapter))
2637 static void slic_config_pci(struct pci_dev *pcidev)
2642 pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
2644 new_command = pci_command | PCI_COMMAND_MASTER
2645 | PCI_COMMAND_MEMORY
2646 | PCI_COMMAND_INVALIDATE
2647 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
2648 if (pci_command != new_command)
2649 pci_write_config_word(pcidev, PCI_COMMAND, new_command);
2652 static int slic_card_init(struct sliccard *card, struct adapter *adapter)
2654 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2655 struct slic_eeprom *peeprom;
2656 struct oslic_eeprom *pOeeprom;
2657 dma_addr_t phys_config;
2661 struct slic_shmem *pshmem;
2663 uint macaddrs = card->card_size;
2668 struct slic_config_mac *pmac;
2669 unsigned char fruformat;
2670 unsigned char oemfruformat;
2671 struct atk_fru *patkfru;
2672 union oemfru *poemfru;
2673 unsigned long flags;
2675 /* Reset everything except PCI configuration space */
2676 slic_soft_reset(adapter);
2678 /* Download the microcode */
2679 status = slic_card_download(adapter);
2683 if (!card->config_set) {
2684 peeprom = pci_alloc_consistent(adapter->pcidev,
2685 sizeof(struct slic_eeprom),
2688 phys_configl = SLIC_GET_ADDR_LOW(phys_config);
2689 phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
2692 dev_err(&adapter->pcidev->dev,
2693 "Failed to allocate DMA memory for EEPROM.\n");
2697 memset(peeprom, 0, sizeof(struct slic_eeprom));
2699 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2701 pshmem = (struct slic_shmem *)(unsigned long)
2702 adapter->phys_shmem;
2704 spin_lock_irqsave(&adapter->bit64reglock, flags);
2705 slic_reg32_write(&slic_regs->slic_addr_upper,
2706 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2707 slic_reg32_write(&slic_regs->slic_isp,
2708 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2709 spin_unlock_irqrestore(&adapter->bit64reglock, flags);
2711 status = slic_config_get(adapter, phys_configl, phys_configh);
2713 dev_err(&adapter->pcidev->dev,
2714 "Failed to fetch config data from device.\n");
2719 if (adapter->pshmem->isr) {
2720 if (adapter->pshmem->isr & ISR_UPC) {
2721 adapter->pshmem->isr = 0;
2722 slic_reg64_write(adapter,
2723 &slic_regs->slic_isp, 0,
2724 &slic_regs->slic_addr_upper,
2726 slic_reg32_write(&slic_regs->slic_isr,
2729 slic_upr_request_complete(adapter, 0);
2733 adapter->pshmem->isr = 0;
2734 slic_reg32_write(&slic_regs->slic_isr,
2740 dev_err(&adapter->pcidev->dev,
2741 "Fetch of config data timed out.\n");
2742 slic_reg64_write(adapter,
2743 &slic_regs->slic_isp, 0,
2744 &slic_regs->slic_addr_upper,
2752 switch (adapter->devid) {
2754 case SLIC_2GB_DEVICE_ID:
2755 /* extract EEPROM data and pointers to EEPROM data */
2756 pOeeprom = (struct oslic_eeprom *) peeprom;
2757 eecodesize = pOeeprom->EecodeSize;
2758 dramsize = pOeeprom->DramSize;
2759 pmac = pOeeprom->MacInfo;
2760 fruformat = pOeeprom->FruFormat;
2761 patkfru = &pOeeprom->AtkFru;
2762 oemfruformat = pOeeprom->OemFruFormat;
2763 poemfru = &pOeeprom->OemFru;
2765 /* Minor kludge for Oasis card
2766 get 2 MAC addresses from the
2767 EEPROM to ensure that function 1
2768 gets the Port 1 MAC address */
2771 /* extract EEPROM data and pointers to EEPROM data */
2772 eecodesize = peeprom->EecodeSize;
2773 dramsize = peeprom->DramSize;
2774 pmac = peeprom->u2.mac.MacInfo;
2775 fruformat = peeprom->FruFormat;
2776 patkfru = &peeprom->AtkFru;
2777 oemfruformat = peeprom->OemFruFormat;
2778 poemfru = &peeprom->OemFru;
2782 card->config.EepromValid = false;
2784 /* see if the EEPROM is valid by checking it's checksum */
2785 if ((eecodesize <= MAX_EECODE_SIZE) &&
2786 (eecodesize >= MIN_EECODE_SIZE)) {
2789 *(u16 *) ((char *) peeprom + (eecodesize - 2));
2791 calculate the EEPROM checksum
2793 calc_chksum = slic_eeprom_cksum(peeprom,
2796 if the ucdoe chksum flag bit worked,
2797 we wouldn't need this
2799 if (ee_chksum == calc_chksum)
2800 card->config.EepromValid = true;
2802 /* copy in the DRAM size */
2803 card->config.DramSize = dramsize;
2805 /* copy in the MAC address(es) */
2806 for (i = 0; i < macaddrs; i++) {
2807 memcpy(&card->config.MacInfo[i],
2808 &pmac[i], sizeof(struct slic_config_mac));
2811 /* copy the Alacritech FRU information */
2812 card->config.FruFormat = fruformat;
2813 memcpy(&card->config.AtkFru, patkfru,
2814 sizeof(struct atk_fru));
2816 pci_free_consistent(adapter->pcidev,
2817 sizeof(struct slic_eeprom),
2818 peeprom, phys_config);
2820 if (!card->config.EepromValid) {
2821 slic_reg64_write(adapter, &slic_regs->slic_isp, 0,
2822 &slic_regs->slic_addr_upper,
2824 dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n");
2828 card->config_set = 1;
2831 status = slic_card_download_gbrcv(adapter);
2835 if (slic_global.dynamic_intagg)
2836 slic_intagg_set(adapter, 0);
2838 slic_intagg_set(adapter, intagg_delay);
2841 * Initialize ping status to "ok"
2843 card->pingstatus = ISR_PINGMASK;
2846 * Lastly, mark our card state as up and return success
2848 card->state = CARD_UP;
2849 card->reset_in_progress = 0;
2854 pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom),
2855 peeprom, phys_config);
2859 static void slic_init_driver(void)
2861 if (slic_first_init) {
2862 slic_first_init = 0;
2863 spin_lock_init(&slic_global.driver_lock);
2867 static void slic_init_adapter(struct net_device *netdev,
2868 struct pci_dev *pcidev,
2869 const struct pci_device_id *pci_tbl_entry,
2870 void __iomem *memaddr, int chip_idx)
2873 struct slic_handle *pslic_handle;
2874 struct adapter *adapter = netdev_priv(netdev);
2876 /* adapter->pcidev = pcidev;*/
2877 adapter->vendid = pci_tbl_entry->vendor;
2878 adapter->devid = pci_tbl_entry->device;
2879 adapter->subsysid = pci_tbl_entry->subdevice;
2880 adapter->busnumber = pcidev->bus->number;
2881 adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
2882 adapter->functionnumber = (pcidev->devfn & 0x7);
2883 adapter->slic_regs = (__iomem struct slic_regs *)memaddr;
2884 adapter->irq = pcidev->irq;
2885 /* adapter->netdev = netdev;*/
2886 adapter->chipid = chip_idx;
2887 adapter->port = 0; /*adapter->functionnumber;*/
2888 adapter->cardindex = adapter->port;
2889 spin_lock_init(&adapter->upr_lock);
2890 spin_lock_init(&adapter->bit64reglock);
2891 spin_lock_init(&adapter->adapter_lock);
2892 spin_lock_init(&adapter->reset_lock);
2893 spin_lock_init(&adapter->handle_lock);
2895 adapter->card_size = 1;
2897 Initialize slic_handle array
2900 Start with 1. 0 is an invalid host handle.
2902 for (index = 1, pslic_handle = &adapter->slic_handles[1];
2903 index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
2905 pslic_handle->token.handle_index = index;
2906 pslic_handle->type = SLIC_HANDLE_FREE;
2907 pslic_handle->next = adapter->pfree_slic_handles;
2908 adapter->pfree_slic_handles = pslic_handle;
2910 adapter->pshmem = (struct slic_shmem *)
2911 pci_alloc_consistent(adapter->pcidev,
2912 sizeof(struct slic_shmem),
2915 if (adapter->pshmem)
2916 memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
2919 static const struct net_device_ops slic_netdev_ops = {
2920 .ndo_open = slic_entry_open,
2921 .ndo_stop = slic_entry_halt,
2922 .ndo_start_xmit = slic_xmit_start,
2923 .ndo_do_ioctl = slic_ioctl,
2924 .ndo_set_mac_address = slic_mac_set_address,
2925 .ndo_get_stats = slic_get_stats,
2926 .ndo_set_rx_mode = slic_mcast_set_list,
2927 .ndo_validate_addr = eth_validate_addr,
2928 .ndo_change_mtu = eth_change_mtu,
2931 static u32 slic_card_locate(struct adapter *adapter)
2933 struct sliccard *card = slic_global.slic_card;
2934 struct physcard *physcard = slic_global.phys_card;
2936 u16 __iomem *hostid_reg;
2938 uint rdhostid_offset = 0;
2940 switch (adapter->devid) {
2941 case SLIC_2GB_DEVICE_ID:
2942 rdhostid_offset = SLIC_RDHOSTID_2GB;
2944 case SLIC_1GB_DEVICE_ID:
2945 rdhostid_offset = SLIC_RDHOSTID_1GB;
2952 (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) +
2955 /* read the 16 bit hostid from SRAM */
2956 card_hostid = (ushort) readw(hostid_reg);
2958 /* Initialize a new card structure if need be */
2959 if (card_hostid == SLIC_HOSTID_DEFAULT) {
2960 card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
2964 card->next = slic_global.slic_card;
2965 slic_global.slic_card = card;
2966 card->busnumber = adapter->busnumber;
2967 card->slotnumber = adapter->slotnumber;
2969 /* Find an available cardnum */
2970 for (i = 0; i < SLIC_MAX_CARDS; i++) {
2971 if (slic_global.cardnuminuse[i] == 0) {
2972 slic_global.cardnuminuse[i] = 1;
2977 slic_global.num_slic_cards++;
2979 /* Card exists, find the card this adapter belongs to */
2981 if (card->cardnum == card_hostid)
2989 /* Put the adapter in the card's adapter list */
2990 if (!card->adapter[adapter->port]) {
2991 card->adapter[adapter->port] = adapter;
2992 adapter->card = card;
2995 card->card_size = 1; /* one port per *logical* card */
2998 for (i = 0; i < SLIC_MAX_PORTS; i++) {
2999 if (physcard->adapter[i])
3002 if (i == SLIC_MAX_PORTS)
3005 if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
3007 physcard = physcard->next;
3010 /* no structure allocated for this physical card yet */
3011 physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
3013 if (card_hostid == SLIC_HOSTID_DEFAULT)
3018 physcard->next = slic_global.phys_card;
3019 slic_global.phys_card = physcard;
3020 physcard->adapters_allocd = 1;
3022 physcard->adapters_allocd++;
3024 /* Note - this is ZERO relative */
3025 adapter->physport = physcard->adapters_allocd - 1;
3027 physcard->adapter[adapter->physport] = adapter;
3028 adapter->physcard = physcard;
3033 static int slic_entry_probe(struct pci_dev *pcidev,
3034 const struct pci_device_id *pci_tbl_entry)
3036 static int cards_found;
3037 static int did_version;
3039 struct net_device *netdev;
3040 struct adapter *adapter;
3041 void __iomem *memmapped_ioaddr = NULL;
3042 ulong mmio_start = 0;
3044 struct sliccard *card = NULL;
3045 int pci_using_dac = 0;
3047 slic_global.dynamic_intagg = dynamic_intagg;
3049 err = pci_enable_device(pcidev);
3054 if (did_version++ == 0) {
3055 dev_info(&pcidev->dev, "%s\n", slic_banner);
3056 dev_info(&pcidev->dev, "%s\n", slic_proc_version);
3059 if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
3061 err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
3063 dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n");
3064 goto err_out_disable_pci;
3067 err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
3069 dev_err(&pcidev->dev, "no usable DMA configuration\n");
3070 goto err_out_disable_pci;
3073 pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
3076 err = pci_request_regions(pcidev, DRV_NAME);
3078 dev_err(&pcidev->dev, "can't obtain PCI resources\n");
3079 goto err_out_disable_pci;
3082 pci_set_master(pcidev);
3084 netdev = alloc_etherdev(sizeof(struct adapter));
3087 goto err_out_exit_slic_probe;
3090 SET_NETDEV_DEV(netdev, &pcidev->dev);
3092 pci_set_drvdata(pcidev, netdev);
3093 adapter = netdev_priv(netdev);
3094 adapter->netdev = netdev;
3095 adapter->pcidev = pcidev;
3097 netdev->features |= NETIF_F_HIGHDMA;
3099 mmio_start = pci_resource_start(pcidev, 0);
3100 mmio_len = pci_resource_len(pcidev, 0);
3103 /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
3104 memmapped_ioaddr = ioremap(mmio_start, mmio_len);
3105 if (!memmapped_ioaddr) {
3106 dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n",
3107 mmio_len, mmio_start);
3109 goto err_out_free_netdev;
3112 slic_config_pci(pcidev);
3116 slic_init_adapter(netdev,
3117 pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
3119 err = slic_card_locate(adapter);
3121 dev_err(&pcidev->dev, "cannot locate card\n");
3125 card = adapter->card;
3127 if (!adapter->allocated) {
3128 card->adapters_allocated++;
3129 adapter->allocated = 1;
3132 err = slic_card_init(card, adapter);
3136 slic_adapter_set_hwaddr(adapter);
3138 netdev->base_addr = (unsigned long) memmapped_ioaddr;
3139 netdev->irq = adapter->irq;
3140 netdev->netdev_ops = &slic_netdev_ops;
3142 strcpy(netdev->name, "eth%d");
3143 err = register_netdev(netdev);
3145 dev_err(&pcidev->dev, "Cannot register net device, aborting.\n");
3154 iounmap(memmapped_ioaddr);
3155 err_out_free_netdev:
3156 free_netdev(netdev);
3157 err_out_exit_slic_probe:
3158 pci_release_regions(pcidev);
3159 err_out_disable_pci:
3160 pci_disable_device(pcidev);
3164 static struct pci_driver slic_driver = {
3166 .id_table = slic_pci_tbl,
3167 .probe = slic_entry_probe,
3168 .remove = slic_entry_remove,
3171 static int __init slic_module_init(void)
3175 return pci_register_driver(&slic_driver);
3178 static void __exit slic_module_cleanup(void)
3180 pci_unregister_driver(&slic_driver);
3183 module_init(slic_module_init);
3184 module_exit(slic_module_cleanup);