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>
87 #include <linux/moduleparam.h>
89 #include <linux/firmware.h>
90 #include <linux/types.h>
91 #include <linux/dma-mapping.h>
92 #include <linux/mii.h>
93 #include <linux/if_vlan.h>
94 #include <asm/unaligned.h>
96 #include <linux/ethtool.h>
97 #include <linux/uaccess.h>
101 static uint slic_first_init = 1;
102 static char *slic_banner = "Alacritech SLIC Technology(tm) Server "
103 "and Storage Accelerator (Non-Accelerated)";
105 static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00";
107 static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
108 static int intagg_delay = 100;
109 static u32 dynamic_intagg;
110 static unsigned int rcv_count;
112 #define DRV_NAME "slicoss"
113 #define DRV_VERSION "2.0.1"
114 #define DRV_AUTHOR "Alacritech, Inc. Engineering"
115 #define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\
116 "Non-Accelerated Driver"
117 #define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\
118 "All rights reserved."
119 #define PFX DRV_NAME " "
121 MODULE_AUTHOR(DRV_AUTHOR);
122 MODULE_DESCRIPTION(DRV_DESCRIPTION);
123 MODULE_LICENSE("Dual BSD/GPL");
125 module_param(dynamic_intagg, int, 0);
126 MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
127 module_param(intagg_delay, int, 0);
128 MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
130 static const struct pci_device_id slic_pci_tbl[] = {
131 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) },
132 { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) },
136 MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
138 static inline void slic_reg32_write(void __iomem *reg, u32 value, bool flush)
145 static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg,
146 u32 value, void __iomem *regh, u32 paddrh,
149 spin_lock_irqsave(&adapter->bit64reglock.lock,
150 adapter->bit64reglock.flags);
151 if (paddrh != adapter->curaddrupper) {
152 adapter->curaddrupper = paddrh;
153 writel(paddrh, regh);
158 spin_unlock_irqrestore(&adapter->bit64reglock.lock,
159 adapter->bit64reglock.flags);
162 static void slic_mcast_set_bit(struct adapter *adapter, char *address)
164 unsigned char crcpoly;
166 /* Get the CRC polynomial for the mac address */
167 /* we use bits 1-8 (lsb), bitwise reversed,
168 * msb (= lsb bit 0 before bitrev) is automatically discarded */
169 crcpoly = (ether_crc(ETH_ALEN, address)>>23);
171 /* We only have space on the SLIC for 64 entries. Lop
172 * off the top two bits. (2^6 = 64)
176 /* OR in the new bit into our 64 bit mask. */
177 adapter->mcastmask |= (u64) 1 << crcpoly;
180 static void slic_mcast_set_mask(struct adapter *adapter)
182 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
184 if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) {
185 /* Turn on all multicast addresses. We have to do this for
186 * promiscuous mode as well as ALLMCAST mode. It saves the
187 * Microcode from having to keep state about the MAC
190 slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH);
191 slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF,
194 /* Commit our multicast mast to the SLIC by writing to the
195 * multicast address mask registers
197 slic_reg32_write(&slic_regs->slic_mcastlow,
198 (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH);
199 slic_reg32_write(&slic_regs->slic_mcasthigh,
200 (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH);
204 static void slic_timer_ping(ulong dev)
206 struct adapter *adapter;
207 struct sliccard *card;
209 adapter = netdev_priv((struct net_device *)dev);
210 card = adapter->card;
212 adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ);
213 add_timer(&adapter->pingtimer);
216 static void slic_unmap_mmio_space(struct adapter *adapter)
218 if (adapter->slic_regs)
219 iounmap(adapter->slic_regs);
220 adapter->slic_regs = NULL;
226 * Write phy control to configure link duplex/speed
229 static void slic_link_config(struct adapter *adapter,
230 u32 linkspeed, u32 linkduplex)
239 if (adapter->state != ADAPT_UP)
242 if (linkspeed > LINK_1000MB)
243 linkspeed = LINK_AUTOSPEED;
244 if (linkduplex > LINK_AUTOD)
245 linkduplex = LINK_AUTOD;
247 wphy = &adapter->slic_regs->slic_wphy;
249 if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) {
250 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*/
269 /* power down phy to break link
270 this may not work) */
271 phy_config = (MIICR_REG_PCR | PCR_POWERDOWN);
272 slic_reg32_write(wphy, phy_config, FLUSH);
273 /* wait, Marvell says 1 sec,
274 try to get away with 10 ms */
277 /* disable auto-neg, set speed/duplex,
278 soft reset phy, powerup */
281 (PCR_RESET | PCR_SPEED_1000 |
283 slic_reg32_write(wphy, phy_config, FLUSH);
285 } else { /* copper gigabit */
287 /* Auto-Negotiate or 1000 Mb must be auto negotiated
288 * We've got a copper gigabit interface, and
289 * register 4 is different in copper mode than
292 if (linkspeed == LINK_AUTOSPEED) {
293 /* advertise 10/100 Mb modes */
296 (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD
299 /* linkspeed == LINK_1000MB -
300 don't advertise 10/100 Mb modes */
301 phy_advreg = MIICR_REG_4;
303 /* enable PAUSE frames */
304 phy_advreg |= PAR_ASYMPAUSE;
305 /* required by the Cicada PHY */
306 phy_advreg |= PAR_802_3;
307 slic_reg32_write(wphy, phy_advreg, FLUSH);
308 /* advertise FD only @1000 Mb */
309 phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD));
310 slic_reg32_write(wphy, phy_gctlreg, FLUSH);
312 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
314 enable auto crossover */
316 (MIICR_REG_16 | (MRV_REG16_XOVERON));
317 slic_reg32_write(wphy, phy_config, FLUSH);
319 /* reset phy, enable auto-neg */
322 (PCR_RESET | PCR_AUTONEG |
324 slic_reg32_write(wphy, phy_config, FLUSH);
325 } else { /* it's a Cicada PHY */
326 /* enable and restart auto-neg (don't reset) */
329 (PCR_AUTONEG | PCR_AUTONEG_RST));
330 slic_reg32_write(wphy, phy_config, FLUSH);
335 if (linkspeed == LINK_10MB)
338 speed = PCR_SPEED_100;
339 if (linkduplex == LINK_HALFD)
342 duplex = PCR_DUPLEX_FULL;
344 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
346 disable auto crossover */
347 phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF));
348 slic_reg32_write(wphy, phy_config, FLUSH);
351 /* power down phy to break link (this may not work) */
352 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex));
353 slic_reg32_write(wphy, phy_config, FLUSH);
355 /* wait, Marvell says 1 sec, try to get away with 10 ms */
358 if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
360 disable auto-neg, set speed,
361 soft reset phy, powerup */
363 (MIICR_REG_PCR | (PCR_RESET | speed | duplex));
364 slic_reg32_write(wphy, phy_config, FLUSH);
365 } else { /* it's a Cicada PHY */
366 /* disable auto-neg, set speed, powerup */
367 phy_config = (MIICR_REG_PCR | (speed | duplex));
368 slic_reg32_write(wphy, phy_config, FLUSH);
373 static int slic_card_download_gbrcv(struct adapter *adapter)
375 const struct firmware *fw;
376 const char *file = "";
378 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
384 switch (adapter->devid) {
385 case SLIC_2GB_DEVICE_ID:
386 file = "slicoss/oasisrcvucode.sys";
388 case SLIC_1GB_DEVICE_ID:
389 file = "slicoss/gbrcvucode.sys";
395 ret = request_firmware(&fw, file, &adapter->pcidev->dev);
397 dev_err(&adapter->pcidev->dev,
398 "Failed to load firmware %s\n", file);
402 rcvucodelen = *(u32 *)(fw->data + index);
404 switch (adapter->devid) {
405 case SLIC_2GB_DEVICE_ID:
406 if (rcvucodelen != OasisRcvUCodeLen) {
407 release_firmware(fw);
411 case SLIC_1GB_DEVICE_ID:
412 if (rcvucodelen != GBRcvUCodeLen) {
413 release_firmware(fw);
419 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH);
420 /* download the rcv sequencer ucode */
421 for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) {
422 /* write out instruction address */
423 slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH);
425 instruction = *(u32 *)(fw->data + index);
427 /* write out the instruction data low addr */
428 slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH);
430 instruction = *(u8 *)(fw->data + index);
432 /* write out the instruction data high addr */
433 slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction,
437 /* download finished */
438 release_firmware(fw);
439 slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH);
443 MODULE_FIRMWARE("slicoss/oasisrcvucode.sys");
444 MODULE_FIRMWARE("slicoss/gbrcvucode.sys");
446 static int slic_card_download(struct adapter *adapter)
448 const struct firmware *fw;
449 const char *file = "";
454 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
461 int ucode_start, index = 0;
463 switch (adapter->devid) {
464 case SLIC_2GB_DEVICE_ID:
465 file = "slicoss/oasisdownload.sys";
467 case SLIC_1GB_DEVICE_ID:
468 file = "slicoss/gbdownload.sys";
473 ret = request_firmware(&fw, file, &adapter->pcidev->dev);
475 dev_err(&adapter->pcidev->dev,
476 "Failed to load firmware %s\n", file);
479 numsects = *(u32 *)(fw->data + index);
481 for (i = 0; i < numsects; i++) {
482 sectsize[i] = *(u32 *)(fw->data + index);
485 for (i = 0; i < numsects; i++) {
486 sectstart[i] = *(u32 *)(fw->data + index);
490 instruction = *(u32 *)(fw->data + index);
492 for (section = 0; section < numsects; section++) {
493 baseaddress = sectstart[section];
494 thissectionsize = sectsize[section] >> 3;
496 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
497 /* Write out instruction address */
498 slic_reg32_write(&slic_regs->slic_wcs,
499 baseaddress + codeaddr, FLUSH);
500 /* Write out instruction to low addr */
501 slic_reg32_write(&slic_regs->slic_wcs,
503 instruction = *(u32 *)(fw->data + index);
506 /* Write out instruction to high addr */
507 slic_reg32_write(&slic_regs->slic_wcs,
509 instruction = *(u32 *)(fw->data + index);
514 for (section = 0; section < numsects; section++) {
515 instruction = *(u32 *)(fw->data + index);
516 baseaddress = sectstart[section];
517 if (baseaddress < 0x8000)
519 thissectionsize = sectsize[section] >> 3;
521 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
522 /* Write out instruction address */
523 slic_reg32_write(&slic_regs->slic_wcs,
524 SLIC_WCS_COMPARE | (baseaddress + codeaddr),
526 /* Write out instruction to low addr */
527 slic_reg32_write(&slic_regs->slic_wcs, instruction,
529 instruction = *(u32 *)(fw->data + index);
531 /* Write out instruction to high addr */
532 slic_reg32_write(&slic_regs->slic_wcs, instruction,
534 instruction = *(u32 *)(fw->data + index);
537 /* Check SRAM location zero. If it is non-zero. Abort.*/
538 /* failure = readl((u32 __iomem *)&slic_regs->slic_reset);
540 release_firmware(fw);
545 release_firmware(fw);
546 /* Everything OK, kick off the card */
548 slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
550 /* stall for 20 ms, long enough for ucode to init card
551 and reach mainloop */
557 MODULE_FIRMWARE("slicoss/oasisdownload.sys");
558 MODULE_FIRMWARE("slicoss/gbdownload.sys");
560 static void slic_adapter_set_hwaddr(struct adapter *adapter)
562 struct sliccard *card = adapter->card;
564 if ((adapter->card) && (card->config_set)) {
565 memcpy(adapter->macaddr,
566 card->config.MacInfo[adapter->functionnumber].macaddrA,
567 sizeof(struct slic_config_mac));
568 if (is_zero_ether_addr(adapter->currmacaddr))
569 memcpy(adapter->currmacaddr, adapter->macaddr,
572 memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
577 static void slic_intagg_set(struct adapter *adapter, u32 value)
579 slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH);
580 adapter->card->loadlevel_current = value;
583 static void slic_soft_reset(struct adapter *adapter)
585 if (adapter->card->state == CARD_UP) {
586 slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH);
590 slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC,
595 static void slic_mac_address_config(struct adapter *adapter)
599 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
601 value = ntohl(*(__be32 *) &adapter->currmacaddr[2]);
602 slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
603 slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
605 value2 = (u32) ((adapter->currmacaddr[0] << 8 |
606 adapter->currmacaddr[1]) & 0xFFFF);
608 slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
609 slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
611 /* Write our multicast mask out to the card. This is done */
612 /* here in addition to the slic_mcast_addr_set routine */
613 /* because ALL_MCAST may have been enabled or disabled */
614 slic_mcast_set_mask(adapter);
617 static void slic_mac_config(struct adapter *adapter)
620 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
622 /* Setup GMAC gaps */
623 if (adapter->linkspeed == LINK_1000MB) {
624 value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
625 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
626 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
628 value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
629 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
630 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
634 if (adapter->linkspeed == LINK_1000MB)
637 /* enable fullduplex */
638 if ((adapter->linkduplex == LINK_FULLD)
639 || (adapter->macopts & MAC_LOOPBACK)) {
643 /* write mac config */
644 slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH);
646 /* setup mac addresses */
647 slic_mac_address_config(adapter);
650 static void slic_config_set(struct adapter *adapter, bool linkchange)
654 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
658 slic_mac_config(adapter);
659 RcrReset = GRCR_RESET;
661 slic_mac_address_config(adapter);
665 if (adapter->linkduplex == LINK_FULLD) {
667 value = (GXCR_RESET | /* Always reset */
668 GXCR_XMTEN | /* Enable transmit */
669 GXCR_PAUSEEN); /* Enable pause */
671 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
673 /* Setup rcvcfg last */
674 value = (RcrReset | /* Reset, if linkchange */
675 GRCR_CTLEN | /* Enable CTL frames */
676 GRCR_ADDRAEN | /* Address A enable */
677 GRCR_RCVBAD | /* Rcv bad frames */
678 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
681 value = (GXCR_RESET | /* Always reset */
682 GXCR_XMTEN); /* Enable transmit */
684 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
686 /* Setup rcvcfg last */
687 value = (RcrReset | /* Reset, if linkchange */
688 GRCR_ADDRAEN | /* Address A enable */
689 GRCR_RCVBAD | /* Rcv bad frames */
690 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
693 if (adapter->state != ADAPT_DOWN) {
694 /* Only enable receive if we are restarting or running */
698 if (adapter->macopts & MAC_PROMISC)
699 value |= GRCR_RCVALL;
701 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
705 * Turn off RCV and XMT, power down PHY
707 static void slic_config_clear(struct adapter *adapter)
711 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
714 value = (GXCR_RESET | /* Always reset */
715 GXCR_PAUSEEN); /* Enable pause */
717 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
719 value = (GRCR_RESET | /* Always reset */
720 GRCR_CTLEN | /* Enable CTL frames */
721 GRCR_ADDRAEN | /* Address A enable */
722 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
724 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
727 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
728 slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH);
731 static bool slic_mac_filter(struct adapter *adapter,
732 struct ether_header *ether_frame)
734 struct net_device *netdev = adapter->netdev;
735 u32 opts = adapter->macopts;
737 if (opts & MAC_PROMISC)
740 if (is_broadcast_ether_addr(ether_frame->ether_dhost)) {
741 if (opts & MAC_BCAST) {
742 adapter->rcv_broadcasts++;
749 if (is_multicast_ether_addr(ether_frame->ether_dhost)) {
750 if (opts & MAC_ALLMCAST) {
751 adapter->rcv_multicasts++;
752 netdev->stats.multicast++;
755 if (opts & MAC_MCAST) {
756 struct mcast_address *mcaddr = adapter->mcastaddrs;
759 if (ether_addr_equal(mcaddr->address,
760 ether_frame->ether_dhost)) {
761 adapter->rcv_multicasts++;
762 netdev->stats.multicast++;
765 mcaddr = mcaddr->next;
773 if (opts & MAC_DIRECTED) {
774 adapter->rcv_unicasts++;
781 static int slic_mac_set_address(struct net_device *dev, void *ptr)
783 struct adapter *adapter = netdev_priv(dev);
784 struct sockaddr *addr = ptr;
786 if (netif_running(dev))
791 if (!is_valid_ether_addr(addr->sa_data))
794 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
795 memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
797 slic_config_set(adapter, true);
801 static void slic_timer_load_check(ulong cardaddr)
803 struct sliccard *card = (struct sliccard *)cardaddr;
804 struct adapter *adapter = card->master;
806 u32 load = card->events;
809 if ((adapter) && (adapter->state == ADAPT_UP) &&
810 (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
811 intagg = &adapter->slic_regs->slic_intagg;
812 if (adapter->devid == SLIC_1GB_DEVICE_ID) {
813 if (adapter->linkspeed == LINK_1000MB)
816 if (load > SLIC_LOAD_5)
817 level = SLIC_INTAGG_5;
818 else if (load > SLIC_LOAD_4)
819 level = SLIC_INTAGG_4;
820 else if (load > SLIC_LOAD_3)
821 level = SLIC_INTAGG_3;
822 else if (load > SLIC_LOAD_2)
823 level = SLIC_INTAGG_2;
824 else if (load > SLIC_LOAD_1)
825 level = SLIC_INTAGG_1;
827 level = SLIC_INTAGG_0;
829 if (card->loadlevel_current != level) {
830 card->loadlevel_current = level;
831 slic_reg32_write(intagg, level, FLUSH);
834 if (load > SLIC_LOAD_5)
835 level = SLIC_INTAGG_5;
836 else if (load > SLIC_LOAD_4)
837 level = SLIC_INTAGG_4;
838 else if (load > SLIC_LOAD_3)
839 level = SLIC_INTAGG_3;
840 else if (load > SLIC_LOAD_2)
841 level = SLIC_INTAGG_2;
842 else if (load > SLIC_LOAD_1)
843 level = SLIC_INTAGG_1;
845 level = SLIC_INTAGG_0;
846 if (card->loadlevel_current != level) {
847 card->loadlevel_current = level;
848 slic_reg32_write(intagg, level, FLUSH);
853 card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
854 add_timer(&card->loadtimer);
857 static int slic_upr_queue_request(struct adapter *adapter,
861 u32 upr_buffer, u32 upr_buffer_h)
863 struct slic_upr *upr;
864 struct slic_upr *uprqueue;
866 upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
870 upr->adapter = adapter->port;
871 upr->upr_request = upr_request;
872 upr->upr_data = upr_data;
873 upr->upr_buffer = upr_buffer;
874 upr->upr_data_h = upr_data_h;
875 upr->upr_buffer_h = upr_buffer_h;
877 if (adapter->upr_list) {
878 uprqueue = adapter->upr_list;
880 while (uprqueue->next)
881 uprqueue = uprqueue->next;
882 uprqueue->next = upr;
884 adapter->upr_list = upr;
889 static void slic_upr_start(struct adapter *adapter)
891 struct slic_upr *upr;
892 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
898 upr = adapter->upr_list;
901 if (adapter->upr_busy)
903 adapter->upr_busy = 1;
905 switch (upr->upr_request) {
907 if (upr->upr_data_h == 0) {
908 slic_reg32_write(&slic_regs->slic_stats, upr->upr_data,
911 slic_reg64_write(adapter, &slic_regs->slic_stats64,
913 &slic_regs->slic_addr_upper,
914 upr->upr_data_h, FLUSH);
919 slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data,
920 &slic_regs->slic_addr_upper, upr->upr_data_h,
924 case SLIC_UPR_RCONFIG:
925 slic_reg64_write(adapter, &slic_regs->slic_rconfig,
926 upr->upr_data, &slic_regs->slic_addr_upper,
927 upr->upr_data_h, FLUSH);
930 slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH);
935 static int slic_upr_request(struct adapter *adapter,
939 u32 upr_buffer, u32 upr_buffer_h)
943 spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
944 rc = slic_upr_queue_request(adapter,
947 upr_data_h, upr_buffer, upr_buffer_h);
951 slic_upr_start(adapter);
953 spin_unlock_irqrestore(&adapter->upr_lock.lock,
954 adapter->upr_lock.flags);
958 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
960 u32 linkstatus = adapter->pshmem->linkstatus;
962 unsigned char linkspeed;
963 unsigned char linkduplex;
965 if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
966 struct slic_shmem *pshmem;
968 pshmem = (struct slic_shmem *)(unsigned long)
970 #if BITS_PER_LONG == 64
971 slic_upr_queue_request(adapter,
973 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
974 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
977 slic_upr_queue_request(adapter,
979 (u32) &pshmem->linkstatus,
980 SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
984 if (adapter->state != ADAPT_UP)
987 linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
988 if (linkstatus & GIG_SPEED_1000)
989 linkspeed = LINK_1000MB;
990 else if (linkstatus & GIG_SPEED_100)
991 linkspeed = LINK_100MB;
993 linkspeed = LINK_10MB;
995 if (linkstatus & GIG_FULLDUPLEX)
996 linkduplex = LINK_FULLD;
998 linkduplex = LINK_HALFD;
1000 if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN))
1003 /* link up event, but nothing has changed */
1004 if ((adapter->linkstate == LINK_UP) &&
1005 (linkup == LINK_UP) &&
1006 (adapter->linkspeed == linkspeed) &&
1007 (adapter->linkduplex == linkduplex))
1010 /* link has changed at this point */
1012 /* link has gone from up to down */
1013 if (linkup == LINK_DOWN) {
1014 adapter->linkstate = LINK_DOWN;
1018 /* link has gone from down to up */
1019 adapter->linkspeed = linkspeed;
1020 adapter->linkduplex = linkduplex;
1022 if (adapter->linkstate != LINK_UP) {
1024 slic_config_set(adapter, true);
1025 adapter->linkstate = LINK_UP;
1026 netif_start_queue(adapter->netdev);
1030 static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
1032 struct sliccard *card = adapter->card;
1033 struct slic_upr *upr;
1035 spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
1036 upr = adapter->upr_list;
1038 spin_unlock_irqrestore(&adapter->upr_lock.lock,
1039 adapter->upr_lock.flags);
1042 adapter->upr_list = upr->next;
1044 adapter->upr_busy = 0;
1045 switch (upr->upr_request) {
1046 case SLIC_UPR_STATS:
1048 struct slic_stats *slicstats =
1049 (struct slic_stats *) &adapter->pshmem->inicstats;
1050 struct slic_stats *newstats = slicstats;
1051 struct slic_stats *old = &adapter->inicstats_prev;
1052 struct slicnet_stats *stst = &adapter->slic_stats;
1054 if (isr & ISR_UPCERR) {
1055 dev_err(&adapter->netdev->dev,
1056 "SLIC_UPR_STATS command failed isr[%x]\n",
1061 UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
1062 newstats->xmit_tcp_segs_gb,
1063 old->xmit_tcp_segs_gb);
1065 UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
1066 newstats->xmit_tcp_bytes_gb,
1067 old->xmit_tcp_bytes_gb);
1069 UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
1070 newstats->rcv_tcp_segs_gb,
1071 old->rcv_tcp_segs_gb);
1073 UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
1074 newstats->rcv_tcp_bytes_gb,
1075 old->rcv_tcp_bytes_gb);
1077 UPDATE_STATS_GB(stst->iface.xmt_bytes,
1078 newstats->xmit_bytes_gb,
1079 old->xmit_bytes_gb);
1081 UPDATE_STATS_GB(stst->iface.xmt_ucast,
1082 newstats->xmit_unicasts_gb,
1083 old->xmit_unicasts_gb);
1085 UPDATE_STATS_GB(stst->iface.rcv_bytes,
1086 newstats->rcv_bytes_gb,
1089 UPDATE_STATS_GB(stst->iface.rcv_ucast,
1090 newstats->rcv_unicasts_gb,
1091 old->rcv_unicasts_gb);
1093 UPDATE_STATS_GB(stst->iface.xmt_errors,
1094 newstats->xmit_collisions_gb,
1095 old->xmit_collisions_gb);
1097 UPDATE_STATS_GB(stst->iface.xmt_errors,
1098 newstats->xmit_excess_collisions_gb,
1099 old->xmit_excess_collisions_gb);
1101 UPDATE_STATS_GB(stst->iface.xmt_errors,
1102 newstats->xmit_other_error_gb,
1103 old->xmit_other_error_gb);
1105 UPDATE_STATS_GB(stst->iface.rcv_errors,
1106 newstats->rcv_other_error_gb,
1107 old->rcv_other_error_gb);
1109 UPDATE_STATS_GB(stst->iface.rcv_discards,
1110 newstats->rcv_drops_gb,
1113 if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
1114 adapter->rcv_drops +=
1115 (newstats->rcv_drops_gb -
1118 memcpy(old, newstats, sizeof(struct slic_stats));
1122 slic_link_upr_complete(adapter, isr);
1124 case SLIC_UPR_RCONFIG:
1127 card->pingstatus |= (isr & ISR_PINGDSMASK);
1131 slic_upr_start(adapter);
1132 spin_unlock_irqrestore(&adapter->upr_lock.lock,
1133 adapter->upr_lock.flags);
1136 static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
1138 return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h,
1143 * Compute a checksum of the EEPROM according to RFC 1071.
1145 static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
1151 checksum += *(wp++);
1156 checksum += *(u8 *) wp;
1159 while (checksum >> 16)
1160 checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
1165 static void slic_rspqueue_free(struct adapter *adapter)
1168 struct slic_rspqueue *rspq = &adapter->rspqueue;
1170 for (i = 0; i < rspq->num_pages; i++) {
1171 if (rspq->vaddr[i]) {
1172 pci_free_consistent(adapter->pcidev, PAGE_SIZE,
1173 rspq->vaddr[i], rspq->paddr[i]);
1175 rspq->vaddr[i] = NULL;
1179 rspq->pageindex = 0;
1180 rspq->rspbuf = NULL;
1183 static int slic_rspqueue_init(struct adapter *adapter)
1186 struct slic_rspqueue *rspq = &adapter->rspqueue;
1187 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
1190 memset(rspq, 0, sizeof(struct slic_rspqueue));
1192 rspq->num_pages = SLIC_RSPQ_PAGES_GB;
1194 for (i = 0; i < rspq->num_pages; i++) {
1195 rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
1198 if (!rspq->vaddr[i]) {
1199 dev_err(&adapter->pcidev->dev,
1200 "pci_alloc_consistent failed\n");
1201 slic_rspqueue_free(adapter);
1206 slic_reg32_write(&slic_regs->slic_rbar,
1207 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1210 slic_reg64_write(adapter, &slic_regs->slic_rbar64,
1211 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1212 &slic_regs->slic_addr_upper,
1213 paddrh, DONT_FLUSH);
1217 rspq->pageindex = 0;
1218 rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
1222 static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
1224 struct slic_rspqueue *rspq = &adapter->rspqueue;
1225 struct slic_rspbuf *buf;
1227 if (!(rspq->rspbuf->status))
1231 if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
1234 slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64,
1235 (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
1236 &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
1237 rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages;
1239 rspq->rspbuf = (struct slic_rspbuf *)
1240 rspq->vaddr[rspq->pageindex];
1246 static void slic_cmdqmem_free(struct adapter *adapter)
1248 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1251 for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
1252 if (cmdqmem->pages[i]) {
1253 pci_free_consistent(adapter->pcidev,
1255 (void *) cmdqmem->pages[i],
1256 cmdqmem->dma_pages[i]);
1259 memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
1262 static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
1264 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1267 if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
1269 pageaddr = pci_alloc_consistent(adapter->pcidev,
1271 &cmdqmem->dma_pages[cmdqmem->pagecnt]);
1275 cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
1280 static void slic_cmdq_free(struct adapter *adapter)
1282 struct slic_hostcmd *cmd;
1284 cmd = adapter->cmdq_all.head;
1287 struct sk_buff *tempskb;
1292 dev_kfree_skb_irq(tempskb);
1295 cmd = cmd->next_all;
1297 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1298 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1299 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1300 slic_cmdqmem_free(adapter);
1303 static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
1305 struct slic_hostcmd *cmd;
1306 struct slic_hostcmd *prev;
1307 struct slic_hostcmd *tail;
1308 struct slic_cmdqueue *cmdq;
1314 struct slic_handle *pslic_handle;
1317 cmd = (struct slic_hostcmd *)cmdaddr;
1320 phys_addr = virt_to_bus((void *)page);
1321 phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
1322 phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
1326 while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
1327 (adapter->slic_handle_ix < 256)) {
1328 /* Allocate and initialize a SLIC_HANDLE for this command */
1329 spin_lock_irqsave(&adapter->handle_lock.lock,
1330 adapter->handle_lock.flags);
1331 pslic_handle = adapter->pfree_slic_handles;
1332 adapter->pfree_slic_handles = pslic_handle->next;
1333 spin_unlock_irqrestore(&adapter->handle_lock.lock,
1334 adapter->handle_lock.flags);
1335 pslic_handle->type = SLIC_HANDLE_CMD;
1336 pslic_handle->address = (void *) cmd;
1337 pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
1338 pslic_handle->other_handle = NULL;
1339 pslic_handle->next = NULL;
1341 cmd->pslic_handle = pslic_handle;
1342 cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
1344 cmd->paddrl = phys_addrl;
1345 cmd->paddrh = phys_addrh;
1346 cmd->next_all = prev;
1349 phys_addrl += SLIC_HOSTCMD_SIZE;
1350 cmdaddr += SLIC_HOSTCMD_SIZE;
1352 cmd = (struct slic_hostcmd *)cmdaddr;
1356 cmdq = &adapter->cmdq_all;
1357 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1358 tail->next_all = cmdq->head;
1360 cmdq = &adapter->cmdq_free;
1361 spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
1362 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1363 tail->next = cmdq->head;
1365 spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
1368 static int slic_cmdq_init(struct adapter *adapter)
1373 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1374 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1375 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1376 spin_lock_init(&adapter->cmdq_all.lock.lock);
1377 spin_lock_init(&adapter->cmdq_free.lock.lock);
1378 spin_lock_init(&adapter->cmdq_done.lock.lock);
1379 memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
1380 adapter->slic_handle_ix = 1;
1381 for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
1382 pageaddr = slic_cmdqmem_addpage(adapter);
1384 slic_cmdq_free(adapter);
1387 slic_cmdq_addcmdpage(adapter, pageaddr);
1389 adapter->slic_handle_ix = 1;
1394 static void slic_cmdq_reset(struct adapter *adapter)
1396 struct slic_hostcmd *hcmd;
1397 struct sk_buff *skb;
1400 spin_lock_irqsave(&adapter->cmdq_free.lock.lock,
1401 adapter->cmdq_free.lock.flags);
1402 spin_lock_irqsave(&adapter->cmdq_done.lock.lock,
1403 adapter->cmdq_done.lock.flags);
1404 outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
1405 outstanding -= adapter->cmdq_free.count;
1406 hcmd = adapter->cmdq_all.head;
1412 dev_kfree_skb_irq(skb);
1414 hcmd = hcmd->next_all;
1416 adapter->cmdq_free.count = 0;
1417 adapter->cmdq_free.head = NULL;
1418 adapter->cmdq_free.tail = NULL;
1419 adapter->cmdq_done.count = 0;
1420 adapter->cmdq_done.head = NULL;
1421 adapter->cmdq_done.tail = NULL;
1422 adapter->cmdq_free.head = adapter->cmdq_all.head;
1423 hcmd = adapter->cmdq_all.head;
1425 adapter->cmdq_free.count++;
1426 hcmd->next = hcmd->next_all;
1427 hcmd = hcmd->next_all;
1429 if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
1430 dev_err(&adapter->netdev->dev,
1431 "free_count %d != all count %d\n",
1432 adapter->cmdq_free.count, adapter->cmdq_all.count);
1434 spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock,
1435 adapter->cmdq_done.lock.flags);
1436 spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock,
1437 adapter->cmdq_free.lock.flags);
1440 static void slic_cmdq_getdone(struct adapter *adapter)
1442 struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
1443 struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
1445 spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags);
1447 free_cmdq->head = done_cmdq->head;
1448 free_cmdq->count = done_cmdq->count;
1449 done_cmdq->head = NULL;
1450 done_cmdq->tail = NULL;
1451 done_cmdq->count = 0;
1452 spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags);
1455 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
1457 struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
1458 struct slic_hostcmd *cmd = NULL;
1461 spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
1465 cmdq->head = cmd->next;
1467 spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
1469 slic_cmdq_getdone(adapter);
1476 spin_unlock_irqrestore(&cmdq->lock.lock,
1478 pageaddr = slic_cmdqmem_addpage(adapter);
1480 slic_cmdq_addcmdpage(adapter, pageaddr);
1481 goto lock_and_retry;
1488 static void slic_cmdq_putdone_irq(struct adapter *adapter,
1489 struct slic_hostcmd *cmd)
1491 struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
1493 spin_lock(&cmdq->lock.lock);
1495 cmd->next = cmdq->head;
1498 if ((adapter->xmitq_full) && (cmdq->count > 10))
1499 netif_wake_queue(adapter->netdev);
1500 spin_unlock(&cmdq->lock.lock);
1503 static int slic_rcvqueue_fill(struct adapter *adapter)
1508 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1510 struct device *dev = &adapter->netdev->dev;
1512 while (i < SLIC_RCVQ_FILLENTRIES) {
1513 struct slic_rcvbuf *rcvbuf;
1514 struct sk_buff *skb;
1515 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1518 skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
1520 paddr = (void *)(unsigned long)
1521 pci_map_single(adapter->pcidev,
1523 SLIC_RCVQ_RCVBUFSIZE,
1524 PCI_DMA_FROMDEVICE);
1525 paddrl = SLIC_GET_ADDR_LOW(paddr);
1526 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1528 skb->len = SLIC_RCVBUF_HEADSIZE;
1529 rcvbuf = (struct slic_rcvbuf *)skb->head;
1532 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1534 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1536 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1537 dev_err(dev, " skbdata[%p]\n",
1539 dev_err(dev, " skblen[%x]\n", skb->len);
1540 dev_err(dev, " paddr[%p]\n", paddr);
1541 dev_err(dev, " paddrl[%x]\n", paddrl);
1542 dev_err(dev, " paddrh[%x]\n", paddrh);
1543 dev_err(dev, " rcvq->head[%p]\n",
1545 dev_err(dev, " rcvq->tail[%p]\n",
1547 dev_err(dev, " rcvq->count[%x]\n",
1549 dev_err(dev, "SKIP THIS SKB!!!!!!!!\n");
1550 goto retry_rcvqfill;
1554 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1556 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1557 dev_err(dev, " skbdata[%p]\n",
1559 dev_err(dev, " skblen[%x]\n", skb->len);
1560 dev_err(dev, " paddr[%p]\n", paddr);
1561 dev_err(dev, " paddrl[%x]\n", paddrl);
1562 dev_err(dev, " paddrh[%x]\n", paddrh);
1563 dev_err(dev, " rcvq->head[%p]\n",
1565 dev_err(dev, " rcvq->tail[%p]\n",
1567 dev_err(dev, " rcvq->count[%x]\n",
1569 dev_err(dev, "GIVE TO CARD ANYWAY\n");
1573 slic_reg32_write(&adapter->slic_regs->slic_hbar,
1574 (u32)paddrl, DONT_FLUSH);
1576 slic_reg64_write(adapter,
1577 &adapter->slic_regs->slic_hbar64,
1579 &adapter->slic_regs->slic_addr_upper,
1580 paddrh, DONT_FLUSH);
1583 rcvq->tail->next = skb;
1590 dev_err(&adapter->netdev->dev,
1591 "slic_rcvqueue_fill could only get [%d] skbuffs\n",
1599 static void slic_rcvqueue_free(struct adapter *adapter)
1601 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1602 struct sk_buff *skb;
1604 while (rcvq->head) {
1606 rcvq->head = rcvq->head->next;
1614 static int slic_rcvqueue_init(struct adapter *adapter)
1617 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1621 rcvq->size = SLIC_RCVQ_ENTRIES;
1624 i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES;
1627 count += slic_rcvqueue_fill(adapter);
1630 if (rcvq->count < SLIC_RCVQ_MINENTRIES) {
1631 slic_rcvqueue_free(adapter);
1637 static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter)
1639 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1640 struct sk_buff *skb;
1641 struct slic_rcvbuf *rcvbuf;
1646 rcvbuf = (struct slic_rcvbuf *)skb->head;
1648 if (rcvbuf->status & IRHDDR_SVALID) {
1649 rcvq->head = rcvq->head->next;
1656 dev_err(&adapter->netdev->dev,
1657 "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count);
1660 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
1661 count = slic_rcvqueue_fill(adapter);
1670 static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
1672 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1676 struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
1679 paddr = (void *)(unsigned long)
1680 pci_map_single(adapter->pcidev, skb->head,
1681 SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
1685 paddrl = SLIC_GET_ADDR_LOW(paddr);
1686 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1689 dev = &adapter->netdev->dev;
1690 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1692 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1693 dev_err(dev, " skbdata[%p]\n", skb->data);
1694 dev_err(dev, " skblen[%x]\n", skb->len);
1695 dev_err(dev, " paddr[%p]\n", paddr);
1696 dev_err(dev, " paddrl[%x]\n", paddrl);
1697 dev_err(dev, " paddrh[%x]\n", paddrh);
1698 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1699 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1700 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
1703 slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl,
1706 slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64,
1707 paddrl, &adapter->slic_regs->slic_addr_upper,
1708 paddrh, DONT_FLUSH);
1711 rcvq->tail->next = skb;
1720 * slic_link_event_handler -
1722 * Initiate a link configuration sequence. The link configuration begins
1723 * by issuing a READ_LINK_STATUS command to the Utility Processor on the
1724 * SLIC. Since the command finishes asynchronously, the slic_upr_comlete
1725 * routine will follow it up witha UP configuration write command, which
1726 * will also complete asynchronously.
1729 static void slic_link_event_handler(struct adapter *adapter)
1732 struct slic_shmem *pshmem;
1734 if (adapter->state != ADAPT_UP) {
1735 /* Adapter is not operational. Ignore. */
1739 pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
1741 #if BITS_PER_LONG == 64
1742 status = slic_upr_request(adapter,
1744 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
1745 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
1748 status = slic_upr_request(adapter, SLIC_UPR_RLSR,
1749 (u32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */
1754 static void slic_init_cleanup(struct adapter *adapter)
1756 if (adapter->intrregistered) {
1757 adapter->intrregistered = 0;
1758 free_irq(adapter->netdev->irq, adapter->netdev);
1761 if (adapter->pshmem) {
1762 pci_free_consistent(adapter->pcidev,
1763 sizeof(struct slic_shmem),
1764 adapter->pshmem, adapter->phys_shmem);
1765 adapter->pshmem = NULL;
1766 adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
1769 if (adapter->pingtimerset) {
1770 adapter->pingtimerset = 0;
1771 del_timer(&adapter->pingtimer);
1774 slic_rspqueue_free(adapter);
1775 slic_cmdq_free(adapter);
1776 slic_rcvqueue_free(adapter);
1780 * Allocate a mcast_address structure to hold the multicast address.
1783 static int slic_mcast_add_list(struct adapter *adapter, char *address)
1785 struct mcast_address *mcaddr, *mlist;
1787 /* Check to see if it already exists */
1788 mlist = adapter->mcastaddrs;
1790 if (ether_addr_equal(mlist->address, address))
1792 mlist = mlist->next;
1795 /* Doesn't already exist. Allocate a structure to hold it */
1796 mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
1800 ether_addr_copy(mcaddr->address, address);
1802 mcaddr->next = adapter->mcastaddrs;
1803 adapter->mcastaddrs = mcaddr;
1808 static void slic_mcast_set_list(struct net_device *dev)
1810 struct adapter *adapter = netdev_priv(dev);
1813 struct netdev_hw_addr *ha;
1815 netdev_for_each_mc_addr(ha, dev) {
1816 addresses = (char *) &ha->addr;
1817 status = slic_mcast_add_list(adapter, addresses);
1820 slic_mcast_set_bit(adapter, addresses);
1823 if (adapter->devflags_prev != dev->flags) {
1824 adapter->macopts = MAC_DIRECTED;
1826 if (dev->flags & IFF_BROADCAST)
1827 adapter->macopts |= MAC_BCAST;
1828 if (dev->flags & IFF_PROMISC)
1829 adapter->macopts |= MAC_PROMISC;
1830 if (dev->flags & IFF_ALLMULTI)
1831 adapter->macopts |= MAC_ALLMCAST;
1832 if (dev->flags & IFF_MULTICAST)
1833 adapter->macopts |= MAC_MCAST;
1835 adapter->devflags_prev = dev->flags;
1836 slic_config_set(adapter, true);
1839 slic_mcast_set_mask(adapter);
1843 #define XMIT_FAIL_LINK_STATE 1
1844 #define XMIT_FAIL_ZERO_LENGTH 2
1845 #define XMIT_FAIL_HOSTCMD_FAIL 3
1847 static void slic_xmit_build_request(struct adapter *adapter,
1848 struct slic_hostcmd *hcmd, struct sk_buff *skb)
1850 struct slic_host64_cmd *ihcmd;
1853 ihcmd = &hcmd->cmd64;
1855 ihcmd->flags = (adapter->port << IHFLG_IFSHFT);
1856 ihcmd->command = IHCMD_XMT_REQ;
1857 ihcmd->u.slic_buffers.totlen = skb->len;
1858 phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
1860 ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
1861 ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
1862 ihcmd->u.slic_buffers.bufs[0].length = skb->len;
1863 #if BITS_PER_LONG == 64
1864 hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] -
1865 (u64) hcmd) + 31) >> 5);
1867 hcmd->cmdsize = ((((u32) &ihcmd->u.slic_buffers.bufs[1] -
1868 (u32) hcmd) + 31) >> 5);
1872 static void slic_xmit_fail(struct adapter *adapter,
1873 struct sk_buff *skb,
1874 void *cmd, u32 skbtype, u32 status)
1876 if (adapter->xmitq_full)
1877 netif_stop_queue(adapter->netdev);
1878 if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
1880 case XMIT_FAIL_LINK_STATE:
1881 dev_err(&adapter->netdev->dev,
1882 "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n",
1884 SLIC_LINKSTATE(adapter->linkstate),
1885 SLIC_ADAPTER_STATE(adapter->state),
1887 SLIC_CARD_STATE(adapter->card->state),
1888 adapter->card->state);
1890 case XMIT_FAIL_ZERO_LENGTH:
1891 dev_err(&adapter->netdev->dev,
1892 "xmit_start skb->len == 0 skb[%p] type[%x]\n",
1893 skb, skb->pkt_type);
1895 case XMIT_FAIL_HOSTCMD_FAIL:
1896 dev_err(&adapter->netdev->dev,
1897 "xmit_start skb[%p] type[%x] No host commands available\n",
1898 skb, skb->pkt_type);
1903 adapter->netdev->stats.tx_dropped++;
1906 static void slic_rcv_handle_error(struct adapter *adapter,
1907 struct slic_rcvbuf *rcvbuf)
1909 struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
1910 struct net_device *netdev = adapter->netdev;
1912 if (adapter->devid != SLIC_1GB_DEVICE_ID) {
1913 if (hdr->frame_status14 & VRHSTAT_802OE)
1914 adapter->if_events.oflow802++;
1915 if (hdr->frame_status14 & VRHSTAT_TPOFLO)
1916 adapter->if_events.Tprtoflow++;
1917 if (hdr->frame_status_b14 & VRHSTATB_802UE)
1918 adapter->if_events.uflow802++;
1919 if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
1920 adapter->if_events.rcvearly++;
1921 netdev->stats.rx_fifo_errors++;
1923 if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
1924 adapter->if_events.Bufov++;
1925 netdev->stats.rx_over_errors++;
1927 if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
1928 adapter->if_events.Carre++;
1929 netdev->stats.tx_carrier_errors++;
1931 if (hdr->frame_status_b14 & VRHSTATB_LONGE)
1932 adapter->if_events.Longe++;
1933 if (hdr->frame_status_b14 & VRHSTATB_PREA)
1934 adapter->if_events.Invp++;
1935 if (hdr->frame_status_b14 & VRHSTATB_CRC) {
1936 adapter->if_events.Crc++;
1937 netdev->stats.rx_crc_errors++;
1939 if (hdr->frame_status_b14 & VRHSTATB_DRBL)
1940 adapter->if_events.Drbl++;
1941 if (hdr->frame_status_b14 & VRHSTATB_CODE)
1942 adapter->if_events.Code++;
1943 if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
1944 adapter->if_events.TpCsum++;
1945 if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
1946 adapter->if_events.TpHlen++;
1947 if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
1948 adapter->if_events.IpCsum++;
1949 if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
1950 adapter->if_events.IpLen++;
1951 if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
1952 adapter->if_events.IpHlen++;
1954 if (hdr->frame_statusGB & VGBSTAT_XPERR) {
1955 u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
1957 if (xerr == VGBSTAT_XCSERR)
1958 adapter->if_events.TpCsum++;
1959 if (xerr == VGBSTAT_XUFLOW)
1960 adapter->if_events.Tprtoflow++;
1961 if (xerr == VGBSTAT_XHLEN)
1962 adapter->if_events.TpHlen++;
1964 if (hdr->frame_statusGB & VGBSTAT_NETERR) {
1967 frame_statusGB >> VGBSTAT_NERRSHFT) &
1969 if (nerr == VGBSTAT_NCSERR)
1970 adapter->if_events.IpCsum++;
1971 if (nerr == VGBSTAT_NUFLOW)
1972 adapter->if_events.IpLen++;
1973 if (nerr == VGBSTAT_NHLEN)
1974 adapter->if_events.IpHlen++;
1976 if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
1977 u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
1979 if (lerr == VGBSTAT_LDEARLY)
1980 adapter->if_events.rcvearly++;
1981 if (lerr == VGBSTAT_LBOFLO)
1982 adapter->if_events.Bufov++;
1983 if (lerr == VGBSTAT_LCODERR)
1984 adapter->if_events.Code++;
1985 if (lerr == VGBSTAT_LDBLNBL)
1986 adapter->if_events.Drbl++;
1987 if (lerr == VGBSTAT_LCRCERR)
1988 adapter->if_events.Crc++;
1989 if (lerr == VGBSTAT_LOFLO)
1990 adapter->if_events.oflow802++;
1991 if (lerr == VGBSTAT_LUFLO)
1992 adapter->if_events.uflow802++;
1997 #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000
1998 #define M_FAST_PATH 0x0040
2000 static void slic_rcv_handler(struct adapter *adapter)
2002 struct net_device *netdev = adapter->netdev;
2003 struct sk_buff *skb;
2004 struct slic_rcvbuf *rcvbuf;
2007 while ((skb = slic_rcvqueue_getnext(adapter))) {
2010 rcvbuf = (struct slic_rcvbuf *)skb->head;
2011 adapter->card->events++;
2012 if (rcvbuf->status & IRHDDR_ERR) {
2013 adapter->rx_errors++;
2014 slic_rcv_handle_error(adapter, rcvbuf);
2015 slic_rcvqueue_reinsert(adapter, skb);
2019 if (!slic_mac_filter(adapter, (struct ether_header *)
2021 slic_rcvqueue_reinsert(adapter, skb);
2024 skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
2025 rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
2026 skb_put(skb, rx_bytes);
2027 netdev->stats.rx_packets++;
2028 netdev->stats.rx_bytes += rx_bytes;
2029 #if SLIC_OFFLOAD_IP_CHECKSUM
2030 skb->ip_summed = CHECKSUM_UNNECESSARY;
2033 skb->dev = adapter->netdev;
2034 skb->protocol = eth_type_trans(skb, skb->dev);
2038 #if SLIC_INTERRUPT_PROCESS_LIMIT
2039 if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
2040 adapter->rcv_interrupt_yields++;
2045 adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
2048 static void slic_xmit_complete(struct adapter *adapter)
2050 struct slic_hostcmd *hcmd;
2051 struct slic_rspbuf *rspbuf;
2053 struct slic_handle_word slic_handle_word;
2056 rspbuf = slic_rspqueue_getnext(adapter);
2059 adapter->xmit_completes++;
2060 adapter->card->events++;
2062 Get the complete host command buffer
2064 slic_handle_word.handle_token = rspbuf->hosthandle;
2066 (struct slic_hostcmd *)
2067 adapter->slic_handles[slic_handle_word.handle_index].
2069 /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
2070 if (hcmd->type == SLIC_CMD_DUMB) {
2072 dev_kfree_skb_irq(hcmd->skb);
2073 slic_cmdq_putdone_irq(adapter, hcmd);
2076 rspbuf->hosthandle = 0;
2079 adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
2082 static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
2083 struct net_device *dev)
2085 if (isr & ~ISR_IO) {
2086 if (isr & ISR_ERR) {
2087 adapter->error_interrupts++;
2088 if (isr & ISR_RMISS) {
2093 struct slic_rcvqueue *rcvq =
2096 adapter->error_rmiss_interrupts++;
2099 rcv_count = rcvq->count;
2100 pre_count = rcvq->count;
2101 errors = rcvq->errors;
2103 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
2104 count = slic_rcvqueue_fill(adapter);
2108 } else if (isr & ISR_XDROP) {
2110 "isr & ISR_ERR [%x] ISR_XDROP\n",
2114 "isr & ISR_ERR [%x]\n",
2119 if (isr & ISR_LEVENT) {
2120 adapter->linkevent_interrupts++;
2121 slic_link_event_handler(adapter);
2124 if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
2125 (isr & ISR_UPCBSY)) {
2126 adapter->upr_interrupts++;
2127 slic_upr_request_complete(adapter, isr);
2131 if (isr & ISR_RCV) {
2132 adapter->rcv_interrupts++;
2133 slic_rcv_handler(adapter);
2136 if (isr & ISR_CMD) {
2137 adapter->xmit_interrupts++;
2138 slic_xmit_complete(adapter);
2143 static irqreturn_t slic_interrupt(int irq, void *dev_id)
2145 struct net_device *dev = (struct net_device *)dev_id;
2146 struct adapter *adapter = netdev_priv(dev);
2149 if ((adapter->pshmem) && (adapter->pshmem->isr)) {
2150 slic_reg32_write(&adapter->slic_regs->slic_icr,
2151 ICR_INT_MASK, FLUSH);
2152 isr = adapter->isrcopy = adapter->pshmem->isr;
2153 adapter->pshmem->isr = 0;
2154 adapter->num_isrs++;
2155 switch (adapter->card->state) {
2157 slic_interrupt_card_up(isr, adapter, dev);
2161 if ((isr & ISR_UPC) ||
2162 (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
2163 adapter->upr_interrupts++;
2164 slic_upr_request_complete(adapter, isr);
2169 adapter->isrcopy = 0;
2170 adapter->all_reg_writes += 2;
2171 adapter->isr_reg_writes++;
2172 slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH);
2174 adapter->false_interrupts++;
2179 #define NORMAL_ETHFRAME 0
2181 static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
2183 struct sliccard *card;
2184 struct adapter *adapter = netdev_priv(dev);
2185 struct slic_hostcmd *hcmd = NULL;
2187 void *offloadcmd = NULL;
2189 card = adapter->card;
2190 if ((adapter->linkstate != LINK_UP) ||
2191 (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
2192 status = XMIT_FAIL_LINK_STATE;
2195 } else if (skb->len == 0) {
2196 status = XMIT_FAIL_ZERO_LENGTH;
2200 hcmd = slic_cmdq_getfree(adapter);
2202 adapter->xmitq_full = 1;
2203 status = XMIT_FAIL_HOSTCMD_FAIL;
2208 hcmd->type = SLIC_CMD_DUMB;
2209 slic_xmit_build_request(adapter, hcmd, skb);
2210 dev->stats.tx_packets++;
2211 dev->stats.tx_bytes += skb->len;
2214 if (adapter->kill_card) {
2215 struct slic_host64_cmd ihcmd;
2217 ihcmd = &hcmd->cmd64;
2219 ihcmd->flags |= 0x40;
2220 adapter->kill_card = 0; /* only do this once */
2223 if (hcmd->paddrh == 0) {
2224 slic_reg32_write(&adapter->slic_regs->slic_cbar,
2225 (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
2227 slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64,
2228 (hcmd->paddrl | hcmd->cmdsize),
2229 &adapter->slic_regs->slic_addr_upper,
2230 hcmd->paddrh, DONT_FLUSH);
2233 return NETDEV_TX_OK;
2235 slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status);
2240 static void slic_adapter_freeresources(struct adapter *adapter)
2242 slic_init_cleanup(adapter);
2243 adapter->error_interrupts = 0;
2244 adapter->rcv_interrupts = 0;
2245 adapter->xmit_interrupts = 0;
2246 adapter->linkevent_interrupts = 0;
2247 adapter->upr_interrupts = 0;
2248 adapter->num_isrs = 0;
2249 adapter->xmit_completes = 0;
2250 adapter->rcv_broadcasts = 0;
2251 adapter->rcv_multicasts = 0;
2252 adapter->rcv_unicasts = 0;
2255 static int slic_adapter_allocresources(struct adapter *adapter)
2257 if (!adapter->intrregistered) {
2260 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2261 slic_global.driver_lock.flags);
2263 retval = request_irq(adapter->netdev->irq,
2266 adapter->netdev->name, adapter->netdev);
2268 spin_lock_irqsave(&slic_global.driver_lock.lock,
2269 slic_global.driver_lock.flags);
2272 dev_err(&adapter->netdev->dev,
2273 "request_irq (%s) FAILED [%x]\n",
2274 adapter->netdev->name, retval);
2277 adapter->intrregistered = 1;
2285 * Perform initialization of our slic interface.
2288 static int slic_if_init(struct adapter *adapter)
2290 struct sliccard *card = adapter->card;
2291 struct net_device *dev = adapter->netdev;
2292 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2293 struct slic_shmem *pshmem;
2296 /* adapter should be down at this point */
2297 if (adapter->state != ADAPT_DOWN) {
2298 dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
2304 adapter->devflags_prev = dev->flags;
2305 adapter->macopts = MAC_DIRECTED;
2307 if (dev->flags & IFF_BROADCAST)
2308 adapter->macopts |= MAC_BCAST;
2309 if (dev->flags & IFF_PROMISC)
2310 adapter->macopts |= MAC_PROMISC;
2311 if (dev->flags & IFF_ALLMULTI)
2312 adapter->macopts |= MAC_ALLMCAST;
2313 if (dev->flags & IFF_MULTICAST)
2314 adapter->macopts |= MAC_MCAST;
2316 rc = slic_adapter_allocresources(adapter);
2319 "%s: slic_adapter_allocresources FAILED %x\n",
2321 slic_adapter_freeresources(adapter);
2325 if (!adapter->queues_initialized) {
2326 rc = slic_rspqueue_init(adapter);
2329 rc = slic_cmdq_init(adapter);
2332 rc = slic_rcvqueue_init(adapter);
2335 adapter->queues_initialized = 1;
2338 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2341 if (!adapter->isp_initialized) {
2342 pshmem = (struct slic_shmem *)(unsigned long)
2343 adapter->phys_shmem;
2345 spin_lock_irqsave(&adapter->bit64reglock.lock,
2346 adapter->bit64reglock.flags);
2348 #if BITS_PER_LONG == 64
2349 slic_reg32_write(&slic_regs->slic_addr_upper,
2350 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2351 slic_reg32_write(&slic_regs->slic_isp,
2352 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2354 slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
2355 slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr,
2358 spin_unlock_irqrestore(&adapter->bit64reglock.lock,
2359 adapter->bit64reglock.flags);
2360 adapter->isp_initialized = 1;
2363 adapter->state = ADAPT_UP;
2364 if (!card->loadtimerset) {
2365 init_timer(&card->loadtimer);
2366 card->loadtimer.expires =
2367 jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
2368 card->loadtimer.data = (ulong) card;
2369 card->loadtimer.function = &slic_timer_load_check;
2370 add_timer(&card->loadtimer);
2372 card->loadtimerset = 1;
2375 if (!adapter->pingtimerset) {
2376 init_timer(&adapter->pingtimer);
2377 adapter->pingtimer.expires =
2378 jiffies + (PING_TIMER_INTERVAL * HZ);
2379 adapter->pingtimer.data = (ulong) dev;
2380 adapter->pingtimer.function = &slic_timer_ping;
2381 add_timer(&adapter->pingtimer);
2382 adapter->pingtimerset = 1;
2383 adapter->card->pingstatus = ISR_PINGMASK;
2387 * clear any pending events, then enable interrupts
2389 adapter->isrcopy = 0;
2390 adapter->pshmem->isr = 0;
2391 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2392 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
2394 slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
2395 slic_link_event_handler(adapter);
2401 static int slic_entry_open(struct net_device *dev)
2403 struct adapter *adapter = netdev_priv(dev);
2404 struct sliccard *card = adapter->card;
2407 netif_stop_queue(adapter->netdev);
2409 spin_lock_irqsave(&slic_global.driver_lock.lock,
2410 slic_global.driver_lock.flags);
2411 if (!adapter->activated) {
2412 card->adapters_activated++;
2413 slic_global.num_slic_ports_active++;
2414 adapter->activated = 1;
2416 status = slic_if_init(adapter);
2419 if (adapter->activated) {
2420 card->adapters_activated--;
2421 slic_global.num_slic_ports_active--;
2422 adapter->activated = 0;
2427 card->master = adapter;
2430 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2431 slic_global.driver_lock.flags);
2435 static void slic_card_cleanup(struct sliccard *card)
2437 if (card->loadtimerset) {
2438 card->loadtimerset = 0;
2439 del_timer_sync(&card->loadtimer);
2445 static void slic_entry_remove(struct pci_dev *pcidev)
2447 struct net_device *dev = pci_get_drvdata(pcidev);
2448 struct adapter *adapter = netdev_priv(dev);
2449 struct sliccard *card;
2450 struct mcast_address *mcaddr, *mlist;
2452 unregister_netdev(dev);
2454 slic_adapter_freeresources(adapter);
2455 slic_unmap_mmio_space(adapter);
2457 /* free multicast addresses */
2458 mlist = adapter->mcastaddrs;
2461 mlist = mlist->next;
2464 card = adapter->card;
2465 card->adapters_allocated--;
2466 adapter->allocated = 0;
2467 if (!card->adapters_allocated) {
2468 struct sliccard *curr_card = slic_global.slic_card;
2470 if (curr_card == card) {
2471 slic_global.slic_card = card->next;
2473 while (curr_card->next != card)
2474 curr_card = curr_card->next;
2475 curr_card->next = card->next;
2477 slic_global.num_slic_cards--;
2478 slic_card_cleanup(card);
2481 pci_release_regions(pcidev);
2482 pci_disable_device(pcidev);
2485 static int slic_entry_halt(struct net_device *dev)
2487 struct adapter *adapter = netdev_priv(dev);
2488 struct sliccard *card = adapter->card;
2489 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2491 spin_lock_irqsave(&slic_global.driver_lock.lock,
2492 slic_global.driver_lock.flags);
2493 netif_stop_queue(adapter->netdev);
2494 adapter->state = ADAPT_DOWN;
2495 adapter->linkstate = LINK_DOWN;
2496 adapter->upr_list = NULL;
2497 adapter->upr_busy = 0;
2498 adapter->devflags_prev = 0;
2499 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2500 adapter->all_reg_writes++;
2501 adapter->icr_reg_writes++;
2502 slic_config_clear(adapter);
2503 if (adapter->activated) {
2504 card->adapters_activated--;
2505 slic_global.num_slic_ports_active--;
2506 adapter->activated = 0;
2508 #ifdef AUTOMATIC_RESET
2509 slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH);
2512 * Reset the adapter's cmd queues
2514 slic_cmdq_reset(adapter);
2516 #ifdef AUTOMATIC_RESET
2517 if (!card->adapters_activated)
2518 slic_card_init(card, adapter);
2521 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2522 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, "%s: set interrupt aggregation to %d\n",
2559 slic_intagg_set(adapter, intagg);
2562 #ifdef SLIC_TRACE_DUMP_ENABLED
2563 case SIOCSLICTRACEDUMP:
2567 DBG_IOCTL("slic_ioctl SIOCSLIC_TRACE_DUMP\n");
2569 if (copy_from_user(data, rq->ifr_data, 28)) {
2571 ("slic: copy_from_user FAILED getting initial simba param\n");
2576 if (tracemon_request == SLIC_DUMP_DONE) {
2578 ("ATK Diagnostic Trace Dump Requested\n");
2579 tracemon_request = SLIC_DUMP_REQUESTED;
2580 tracemon_request_type = value;
2581 tracemon_timestamp = jiffies;
2582 } else if ((tracemon_request == SLIC_DUMP_REQUESTED) ||
2583 (tracemon_request ==
2584 SLIC_DUMP_IN_PROGRESS)) {
2586 ("ATK Diagnostic Trace Dump Requested but already in progress... ignore\n");
2589 ("ATK Diagnostic Trace Dump Requested\n");
2590 tracemon_request = SLIC_DUMP_REQUESTED;
2591 tracemon_request_type = value;
2592 tracemon_timestamp = jiffies;
2598 if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
2601 if (ecmd.cmd == ETHTOOL_GSET) {
2602 memset(&edata, 0, sizeof(edata));
2603 edata.supported = (SUPPORTED_10baseT_Half |
2604 SUPPORTED_10baseT_Full |
2605 SUPPORTED_100baseT_Half |
2606 SUPPORTED_100baseT_Full |
2607 SUPPORTED_Autoneg | SUPPORTED_MII);
2608 edata.port = PORT_MII;
2609 edata.transceiver = XCVR_INTERNAL;
2610 edata.phy_address = 0;
2611 if (adapter->linkspeed == LINK_100MB)
2612 edata.speed = SPEED_100;
2613 else if (adapter->linkspeed == LINK_10MB)
2614 edata.speed = SPEED_10;
2618 if (adapter->linkduplex == LINK_FULLD)
2619 edata.duplex = DUPLEX_FULL;
2621 edata.duplex = DUPLEX_HALF;
2623 edata.autoneg = AUTONEG_ENABLE;
2626 if (copy_to_user(rq->ifr_data, &edata, sizeof(edata)))
2629 } else if (ecmd.cmd == ETHTOOL_SSET) {
2630 if (!capable(CAP_NET_ADMIN))
2633 if (adapter->linkspeed == LINK_100MB)
2634 edata.speed = SPEED_100;
2635 else if (adapter->linkspeed == LINK_10MB)
2636 edata.speed = SPEED_10;
2640 if (adapter->linkduplex == LINK_FULLD)
2641 edata.duplex = DUPLEX_FULL;
2643 edata.duplex = DUPLEX_HALF;
2645 edata.autoneg = AUTONEG_ENABLE;
2648 if ((ecmd.speed != edata.speed) ||
2649 (ecmd.duplex != edata.duplex)) {
2653 if (ecmd.speed == SPEED_10)
2656 speed = PCR_SPEED_100;
2657 if (ecmd.duplex == DUPLEX_FULL)
2658 duplex = PCR_DUPLEX_FULL;
2661 slic_link_config(adapter, speed, duplex);
2662 slic_link_event_handler(adapter);
2671 static void slic_config_pci(struct pci_dev *pcidev)
2676 pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
2678 new_command = pci_command | PCI_COMMAND_MASTER
2679 | PCI_COMMAND_MEMORY
2680 | PCI_COMMAND_INVALIDATE
2681 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
2682 if (pci_command != new_command)
2683 pci_write_config_word(pcidev, PCI_COMMAND, new_command);
2686 static int slic_card_init(struct sliccard *card, struct adapter *adapter)
2688 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2689 struct slic_eeprom *peeprom;
2690 struct oslic_eeprom *pOeeprom;
2691 dma_addr_t phys_config;
2695 struct slic_shmem *pshmem;
2697 uint macaddrs = card->card_size;
2702 struct slic_config_mac *pmac;
2703 unsigned char fruformat;
2704 unsigned char oemfruformat;
2705 struct atk_fru *patkfru;
2706 union oemfru *poemfru;
2708 /* Reset everything except PCI configuration space */
2709 slic_soft_reset(adapter);
2711 /* Download the microcode */
2712 status = slic_card_download(adapter);
2716 if (!card->config_set) {
2717 peeprom = pci_alloc_consistent(adapter->pcidev,
2718 sizeof(struct slic_eeprom),
2721 phys_configl = SLIC_GET_ADDR_LOW(phys_config);
2722 phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
2725 dev_err(&adapter->pcidev->dev,
2726 "Failed to allocate DMA memory for EEPROM.\n");
2730 memset(peeprom, 0, sizeof(struct slic_eeprom));
2732 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2734 pshmem = (struct slic_shmem *)(unsigned long)
2735 adapter->phys_shmem;
2737 spin_lock_irqsave(&adapter->bit64reglock.lock,
2738 adapter->bit64reglock.flags);
2739 slic_reg32_write(&slic_regs->slic_addr_upper,
2740 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2741 slic_reg32_write(&slic_regs->slic_isp,
2742 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2743 spin_unlock_irqrestore(&adapter->bit64reglock.lock,
2744 adapter->bit64reglock.flags);
2746 status = slic_config_get(adapter, phys_configl, phys_configh);
2748 dev_err(&adapter->pcidev->dev,
2749 "Failed to fetch config data from device.\n");
2754 if (adapter->pshmem->isr) {
2755 if (adapter->pshmem->isr & ISR_UPC) {
2756 adapter->pshmem->isr = 0;
2757 slic_reg64_write(adapter,
2758 &slic_regs->slic_isp, 0,
2759 &slic_regs->slic_addr_upper,
2761 slic_reg32_write(&slic_regs->slic_isr,
2764 slic_upr_request_complete(adapter, 0);
2768 adapter->pshmem->isr = 0;
2769 slic_reg32_write(&slic_regs->slic_isr,
2775 dev_err(&adapter->pcidev->dev,
2776 "Fetch of config data timed out.\n");
2777 slic_reg64_write(adapter,
2778 &slic_regs->slic_isp, 0,
2779 &slic_regs->slic_addr_upper,
2787 switch (adapter->devid) {
2789 case SLIC_2GB_DEVICE_ID:
2790 /* extract EEPROM data and pointers to EEPROM data */
2791 pOeeprom = (struct oslic_eeprom *) peeprom;
2792 eecodesize = pOeeprom->EecodeSize;
2793 dramsize = pOeeprom->DramSize;
2794 pmac = pOeeprom->MacInfo;
2795 fruformat = pOeeprom->FruFormat;
2796 patkfru = &pOeeprom->AtkFru;
2797 oemfruformat = pOeeprom->OemFruFormat;
2798 poemfru = &pOeeprom->OemFru;
2800 /* Minor kludge for Oasis card
2801 get 2 MAC addresses from the
2802 EEPROM to ensure that function 1
2803 gets the Port 1 MAC address */
2806 /* extract EEPROM data and pointers to EEPROM data */
2807 eecodesize = peeprom->EecodeSize;
2808 dramsize = peeprom->DramSize;
2809 pmac = peeprom->u2.mac.MacInfo;
2810 fruformat = peeprom->FruFormat;
2811 patkfru = &peeprom->AtkFru;
2812 oemfruformat = peeprom->OemFruFormat;
2813 poemfru = &peeprom->OemFru;
2817 card->config.EepromValid = false;
2819 /* see if the EEPROM is valid by checking it's checksum */
2820 if ((eecodesize <= MAX_EECODE_SIZE) &&
2821 (eecodesize >= MIN_EECODE_SIZE)) {
2824 *(u16 *) ((char *) peeprom + (eecodesize - 2));
2826 calculate the EEPROM checksum
2828 calc_chksum = slic_eeprom_cksum(peeprom,
2831 if the ucdoe chksum flag bit worked,
2832 we wouldn't need this
2834 if (ee_chksum == calc_chksum)
2835 card->config.EepromValid = true;
2837 /* copy in the DRAM size */
2838 card->config.DramSize = dramsize;
2840 /* copy in the MAC address(es) */
2841 for (i = 0; i < macaddrs; i++) {
2842 memcpy(&card->config.MacInfo[i],
2843 &pmac[i], sizeof(struct slic_config_mac));
2846 /* copy the Alacritech FRU information */
2847 card->config.FruFormat = fruformat;
2848 memcpy(&card->config.AtkFru, patkfru,
2849 sizeof(struct atk_fru));
2851 pci_free_consistent(adapter->pcidev,
2852 sizeof(struct slic_eeprom),
2853 peeprom, phys_config);
2855 if (!card->config.EepromValid) {
2856 slic_reg64_write(adapter, &slic_regs->slic_isp, 0,
2857 &slic_regs->slic_addr_upper,
2859 dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n");
2863 card->config_set = 1;
2866 status = slic_card_download_gbrcv(adapter);
2870 if (slic_global.dynamic_intagg)
2871 slic_intagg_set(adapter, 0);
2873 slic_intagg_set(adapter, intagg_delay);
2876 * Initialize ping status to "ok"
2878 card->pingstatus = ISR_PINGMASK;
2881 * Lastly, mark our card state as up and return success
2883 card->state = CARD_UP;
2884 card->reset_in_progress = 0;
2889 pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom),
2890 peeprom, phys_config);
2894 static void slic_init_driver(void)
2896 if (slic_first_init) {
2897 slic_first_init = 0;
2898 spin_lock_init(&slic_global.driver_lock.lock);
2902 static void slic_init_adapter(struct net_device *netdev,
2903 struct pci_dev *pcidev,
2904 const struct pci_device_id *pci_tbl_entry,
2905 void __iomem *memaddr, int chip_idx)
2908 struct slic_handle *pslic_handle;
2909 struct adapter *adapter = netdev_priv(netdev);
2911 /* adapter->pcidev = pcidev;*/
2912 adapter->vendid = pci_tbl_entry->vendor;
2913 adapter->devid = pci_tbl_entry->device;
2914 adapter->subsysid = pci_tbl_entry->subdevice;
2915 adapter->busnumber = pcidev->bus->number;
2916 adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
2917 adapter->functionnumber = (pcidev->devfn & 0x7);
2918 adapter->slic_regs = (__iomem struct slic_regs *)memaddr;
2919 adapter->irq = pcidev->irq;
2920 /* adapter->netdev = netdev;*/
2921 adapter->chipid = chip_idx;
2922 adapter->port = 0; /*adapter->functionnumber;*/
2923 adapter->cardindex = adapter->port;
2924 spin_lock_init(&adapter->upr_lock.lock);
2925 spin_lock_init(&adapter->bit64reglock.lock);
2926 spin_lock_init(&adapter->adapter_lock.lock);
2927 spin_lock_init(&adapter->reset_lock.lock);
2928 spin_lock_init(&adapter->handle_lock.lock);
2930 adapter->card_size = 1;
2932 Initialize slic_handle array
2935 Start with 1. 0 is an invalid host handle.
2937 for (index = 1, pslic_handle = &adapter->slic_handles[1];
2938 index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
2940 pslic_handle->token.handle_index = index;
2941 pslic_handle->type = SLIC_HANDLE_FREE;
2942 pslic_handle->next = adapter->pfree_slic_handles;
2943 adapter->pfree_slic_handles = pslic_handle;
2945 adapter->pshmem = (struct slic_shmem *)
2946 pci_alloc_consistent(adapter->pcidev,
2947 sizeof(struct slic_shmem),
2950 if (adapter->pshmem)
2951 memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
2954 static const struct net_device_ops slic_netdev_ops = {
2955 .ndo_open = slic_entry_open,
2956 .ndo_stop = slic_entry_halt,
2957 .ndo_start_xmit = slic_xmit_start,
2958 .ndo_do_ioctl = slic_ioctl,
2959 .ndo_set_mac_address = slic_mac_set_address,
2960 .ndo_get_stats = slic_get_stats,
2961 .ndo_set_rx_mode = slic_mcast_set_list,
2962 .ndo_validate_addr = eth_validate_addr,
2963 .ndo_change_mtu = eth_change_mtu,
2966 static u32 slic_card_locate(struct adapter *adapter)
2968 struct sliccard *card = slic_global.slic_card;
2969 struct physcard *physcard = slic_global.phys_card;
2971 u16 __iomem *hostid_reg;
2973 uint rdhostid_offset = 0;
2975 switch (adapter->devid) {
2976 case SLIC_2GB_DEVICE_ID:
2977 rdhostid_offset = SLIC_RDHOSTID_2GB;
2979 case SLIC_1GB_DEVICE_ID:
2980 rdhostid_offset = SLIC_RDHOSTID_1GB;
2987 (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) +
2990 /* read the 16 bit hostid from SRAM */
2991 card_hostid = (ushort) readw(hostid_reg);
2993 /* Initialize a new card structure if need be */
2994 if (card_hostid == SLIC_HOSTID_DEFAULT) {
2995 card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
2999 card->next = slic_global.slic_card;
3000 slic_global.slic_card = card;
3001 card->busnumber = adapter->busnumber;
3002 card->slotnumber = adapter->slotnumber;
3004 /* Find an available cardnum */
3005 for (i = 0; i < SLIC_MAX_CARDS; i++) {
3006 if (slic_global.cardnuminuse[i] == 0) {
3007 slic_global.cardnuminuse[i] = 1;
3012 slic_global.num_slic_cards++;
3014 /* Card exists, find the card this adapter belongs to */
3016 if (card->cardnum == card_hostid)
3024 /* Put the adapter in the card's adapter list */
3025 if (!card->adapter[adapter->port]) {
3026 card->adapter[adapter->port] = adapter;
3027 adapter->card = card;
3030 card->card_size = 1; /* one port per *logical* card */
3033 for (i = 0; i < SLIC_MAX_PORTS; i++) {
3034 if (physcard->adapter[i])
3037 if (i == SLIC_MAX_PORTS)
3040 if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
3042 physcard = physcard->next;
3045 /* no structure allocated for this physical card yet */
3046 physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
3048 if (card_hostid == SLIC_HOSTID_DEFAULT)
3053 physcard->next = slic_global.phys_card;
3054 slic_global.phys_card = physcard;
3055 physcard->adapters_allocd = 1;
3057 physcard->adapters_allocd++;
3059 /* Note - this is ZERO relative */
3060 adapter->physport = physcard->adapters_allocd - 1;
3062 physcard->adapter[adapter->physport] = adapter;
3063 adapter->physcard = physcard;
3068 static int slic_entry_probe(struct pci_dev *pcidev,
3069 const struct pci_device_id *pci_tbl_entry)
3071 static int cards_found;
3072 static int did_version;
3074 struct net_device *netdev;
3075 struct adapter *adapter;
3076 void __iomem *memmapped_ioaddr = NULL;
3077 ulong mmio_start = 0;
3079 struct sliccard *card = NULL;
3080 int pci_using_dac = 0;
3082 slic_global.dynamic_intagg = dynamic_intagg;
3084 err = pci_enable_device(pcidev);
3089 if (did_version++ == 0) {
3090 dev_info(&pcidev->dev, "%s\n", slic_banner);
3091 dev_info(&pcidev->dev, "%s\n", slic_proc_version);
3094 if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
3096 err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
3098 dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n");
3099 goto err_out_disable_pci;
3102 err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
3104 dev_err(&pcidev->dev, "no usable DMA configuration\n");
3105 goto err_out_disable_pci;
3108 pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
3111 err = pci_request_regions(pcidev, DRV_NAME);
3113 dev_err(&pcidev->dev, "can't obtain PCI resources\n");
3114 goto err_out_disable_pci;
3117 pci_set_master(pcidev);
3119 netdev = alloc_etherdev(sizeof(struct adapter));
3122 goto err_out_exit_slic_probe;
3125 SET_NETDEV_DEV(netdev, &pcidev->dev);
3127 pci_set_drvdata(pcidev, netdev);
3128 adapter = netdev_priv(netdev);
3129 adapter->netdev = netdev;
3130 adapter->pcidev = pcidev;
3132 netdev->features |= NETIF_F_HIGHDMA;
3134 mmio_start = pci_resource_start(pcidev, 0);
3135 mmio_len = pci_resource_len(pcidev, 0);
3138 /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
3139 memmapped_ioaddr = ioremap(mmio_start, mmio_len);
3140 if (!memmapped_ioaddr) {
3141 dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n",
3142 mmio_len, mmio_start);
3144 goto err_out_free_netdev;
3147 slic_config_pci(pcidev);
3151 slic_init_adapter(netdev,
3152 pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
3154 err = slic_card_locate(adapter);
3156 dev_err(&pcidev->dev, "cannot locate card\n");
3160 card = adapter->card;
3162 if (!adapter->allocated) {
3163 card->adapters_allocated++;
3164 adapter->allocated = 1;
3167 err = slic_card_init(card, adapter);
3171 slic_adapter_set_hwaddr(adapter);
3173 netdev->base_addr = (unsigned long) memmapped_ioaddr;
3174 netdev->irq = adapter->irq;
3175 netdev->netdev_ops = &slic_netdev_ops;
3177 strcpy(netdev->name, "eth%d");
3178 err = register_netdev(netdev);
3180 dev_err(&pcidev->dev, "Cannot register net device, aborting.\n");
3189 iounmap(memmapped_ioaddr);
3190 err_out_free_netdev:
3191 free_netdev(netdev);
3192 err_out_exit_slic_probe:
3193 pci_release_regions(pcidev);
3194 err_out_disable_pci:
3195 pci_disable_device(pcidev);
3199 static struct pci_driver slic_driver = {
3201 .id_table = slic_pci_tbl,
3202 .probe = slic_entry_probe,
3203 .remove = slic_entry_remove,
3206 static int __init slic_module_init(void)
3210 return pci_register_driver(&slic_driver);
3213 static void __exit slic_module_cleanup(void)
3215 pci_unregister_driver(&slic_driver);
3218 module_init(slic_module_init);
3219 module_exit(slic_module_cleanup);