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, instruction, FLUSH);
502 instruction = *(u32 *)(fw->data + index);
505 /* Write out instruction to high addr */
506 slic_reg32_write(&slic_regs->slic_wcs, instruction, FLUSH);
507 instruction = *(u32 *)(fw->data + index);
512 for (section = 0; section < numsects; section++) {
513 instruction = *(u32 *)(fw->data + index);
514 baseaddress = sectstart[section];
515 if (baseaddress < 0x8000)
517 thissectionsize = sectsize[section] >> 3;
519 for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
520 /* Write out instruction address */
521 slic_reg32_write(&slic_regs->slic_wcs,
522 SLIC_WCS_COMPARE | (baseaddress + codeaddr),
524 /* Write out instruction to low addr */
525 slic_reg32_write(&slic_regs->slic_wcs, instruction,
527 instruction = *(u32 *)(fw->data + index);
529 /* Write out instruction to high addr */
530 slic_reg32_write(&slic_regs->slic_wcs, instruction,
532 instruction = *(u32 *)(fw->data + index);
535 /* Check SRAM location zero. If it is non-zero. Abort.*/
536 /* failure = readl((u32 __iomem *)&slic_regs->slic_reset);
538 release_firmware(fw);
543 release_firmware(fw);
544 /* Everything OK, kick off the card */
546 slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
548 /* stall for 20 ms, long enough for ucode to init card
549 and reach mainloop */
555 MODULE_FIRMWARE("slicoss/oasisdownload.sys");
556 MODULE_FIRMWARE("slicoss/gbdownload.sys");
558 static void slic_adapter_set_hwaddr(struct adapter *adapter)
560 struct sliccard *card = adapter->card;
562 if ((adapter->card) && (card->config_set)) {
563 memcpy(adapter->macaddr,
564 card->config.MacInfo[adapter->functionnumber].macaddrA,
565 sizeof(struct slic_config_mac));
566 if (is_zero_ether_addr(adapter->currmacaddr))
567 memcpy(adapter->currmacaddr, adapter->macaddr,
570 memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
575 static void slic_intagg_set(struct adapter *adapter, u32 value)
577 slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH);
578 adapter->card->loadlevel_current = value;
581 static void slic_soft_reset(struct adapter *adapter)
583 if (adapter->card->state == CARD_UP) {
584 slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH);
588 slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC,
593 static void slic_mac_address_config(struct adapter *adapter)
597 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
599 value = *(u32 *) &adapter->currmacaddr[2];
600 value = ntohl(value);
601 slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
602 slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
604 value2 = (u32) ((adapter->currmacaddr[0] << 8 |
605 adapter->currmacaddr[1]) & 0xFFFF);
607 slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
608 slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
610 /* Write our multicast mask out to the card. This is done */
611 /* here in addition to the slic_mcast_addr_set routine */
612 /* because ALL_MCAST may have been enabled or disabled */
613 slic_mcast_set_mask(adapter);
616 static void slic_mac_config(struct adapter *adapter)
619 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
621 /* Setup GMAC gaps */
622 if (adapter->linkspeed == LINK_1000MB) {
623 value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
624 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
625 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
627 value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
628 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
629 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
633 if (adapter->linkspeed == LINK_1000MB)
636 /* enable fullduplex */
637 if ((adapter->linkduplex == LINK_FULLD)
638 || (adapter->macopts & MAC_LOOPBACK)) {
642 /* write mac config */
643 slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH);
645 /* setup mac addresses */
646 slic_mac_address_config(adapter);
649 static void slic_config_set(struct adapter *adapter, bool linkchange)
653 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
657 slic_mac_config(adapter);
658 RcrReset = GRCR_RESET;
660 slic_mac_address_config(adapter);
664 if (adapter->linkduplex == LINK_FULLD) {
666 value = (GXCR_RESET | /* Always reset */
667 GXCR_XMTEN | /* Enable transmit */
668 GXCR_PAUSEEN); /* Enable pause */
670 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
672 /* Setup rcvcfg last */
673 value = (RcrReset | /* Reset, if linkchange */
674 GRCR_CTLEN | /* Enable CTL frames */
675 GRCR_ADDRAEN | /* Address A enable */
676 GRCR_RCVBAD | /* Rcv bad frames */
677 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
680 value = (GXCR_RESET | /* Always reset */
681 GXCR_XMTEN); /* Enable transmit */
683 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
685 /* Setup rcvcfg last */
686 value = (RcrReset | /* Reset, if linkchange */
687 GRCR_ADDRAEN | /* Address A enable */
688 GRCR_RCVBAD | /* Rcv bad frames */
689 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
692 if (adapter->state != ADAPT_DOWN) {
693 /* Only enable receive if we are restarting or running */
697 if (adapter->macopts & MAC_PROMISC)
698 value |= GRCR_RCVALL;
700 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
704 * Turn off RCV and XMT, power down PHY
706 static void slic_config_clear(struct adapter *adapter)
710 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
713 value = (GXCR_RESET | /* Always reset */
714 GXCR_PAUSEEN); /* Enable pause */
716 slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH);
718 value = (GRCR_RESET | /* Always reset */
719 GRCR_CTLEN | /* Enable CTL frames */
720 GRCR_ADDRAEN | /* Address A enable */
721 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
723 slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH);
726 phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
727 slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH);
730 static bool slic_mac_filter(struct adapter *adapter,
731 struct ether_header *ether_frame)
733 struct net_device *netdev = adapter->netdev;
734 u32 opts = adapter->macopts;
736 if (opts & MAC_PROMISC)
739 if (is_broadcast_ether_addr(ether_frame->ether_dhost)) {
740 if (opts & MAC_BCAST) {
741 adapter->rcv_broadcasts++;
748 if (is_multicast_ether_addr(ether_frame->ether_dhost)) {
749 if (opts & MAC_ALLMCAST) {
750 adapter->rcv_multicasts++;
751 netdev->stats.multicast++;
754 if (opts & MAC_MCAST) {
755 struct mcast_address *mcaddr = adapter->mcastaddrs;
758 if (ether_addr_equal(mcaddr->address,
759 ether_frame->ether_dhost)) {
760 adapter->rcv_multicasts++;
761 netdev->stats.multicast++;
764 mcaddr = mcaddr->next;
772 if (opts & MAC_DIRECTED) {
773 adapter->rcv_unicasts++;
780 static int slic_mac_set_address(struct net_device *dev, void *ptr)
782 struct adapter *adapter = netdev_priv(dev);
783 struct sockaddr *addr = ptr;
785 if (netif_running(dev))
790 if (!is_valid_ether_addr(addr->sa_data))
793 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
794 memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
796 slic_config_set(adapter, true);
800 static void slic_timer_load_check(ulong cardaddr)
802 struct sliccard *card = (struct sliccard *)cardaddr;
803 struct adapter *adapter = card->master;
805 u32 load = card->events;
808 if ((adapter) && (adapter->state == ADAPT_UP) &&
809 (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
810 intagg = &adapter->slic_regs->slic_intagg;
811 if (adapter->devid == SLIC_1GB_DEVICE_ID) {
812 if (adapter->linkspeed == LINK_1000MB)
815 if (load > SLIC_LOAD_5)
816 level = SLIC_INTAGG_5;
817 else if (load > SLIC_LOAD_4)
818 level = SLIC_INTAGG_4;
819 else if (load > SLIC_LOAD_3)
820 level = SLIC_INTAGG_3;
821 else if (load > SLIC_LOAD_2)
822 level = SLIC_INTAGG_2;
823 else if (load > SLIC_LOAD_1)
824 level = SLIC_INTAGG_1;
826 level = SLIC_INTAGG_0;
828 if (card->loadlevel_current != level) {
829 card->loadlevel_current = level;
830 slic_reg32_write(intagg, level, FLUSH);
833 if (load > SLIC_LOAD_5)
834 level = SLIC_INTAGG_5;
835 else if (load > SLIC_LOAD_4)
836 level = SLIC_INTAGG_4;
837 else if (load > SLIC_LOAD_3)
838 level = SLIC_INTAGG_3;
839 else if (load > SLIC_LOAD_2)
840 level = SLIC_INTAGG_2;
841 else if (load > SLIC_LOAD_1)
842 level = SLIC_INTAGG_1;
844 level = SLIC_INTAGG_0;
845 if (card->loadlevel_current != level) {
846 card->loadlevel_current = level;
847 slic_reg32_write(intagg, level, FLUSH);
852 card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
853 add_timer(&card->loadtimer);
856 static int slic_upr_queue_request(struct adapter *adapter,
860 u32 upr_buffer, u32 upr_buffer_h)
862 struct slic_upr *upr;
863 struct slic_upr *uprqueue;
865 upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
869 upr->adapter = adapter->port;
870 upr->upr_request = upr_request;
871 upr->upr_data = upr_data;
872 upr->upr_buffer = upr_buffer;
873 upr->upr_data_h = upr_data_h;
874 upr->upr_buffer_h = upr_buffer_h;
876 if (adapter->upr_list) {
877 uprqueue = adapter->upr_list;
879 while (uprqueue->next)
880 uprqueue = uprqueue->next;
881 uprqueue->next = upr;
883 adapter->upr_list = upr;
888 static void slic_upr_start(struct adapter *adapter)
890 struct slic_upr *upr;
891 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
897 upr = adapter->upr_list;
900 if (adapter->upr_busy)
902 adapter->upr_busy = 1;
904 switch (upr->upr_request) {
906 if (upr->upr_data_h == 0) {
907 slic_reg32_write(&slic_regs->slic_stats, upr->upr_data,
910 slic_reg64_write(adapter, &slic_regs->slic_stats64,
912 &slic_regs->slic_addr_upper,
913 upr->upr_data_h, FLUSH);
918 slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data,
919 &slic_regs->slic_addr_upper, upr->upr_data_h,
923 case SLIC_UPR_RCONFIG:
924 slic_reg64_write(adapter, &slic_regs->slic_rconfig,
925 upr->upr_data, &slic_regs->slic_addr_upper,
926 upr->upr_data_h, FLUSH);
929 slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH);
934 static int slic_upr_request(struct adapter *adapter,
938 u32 upr_buffer, u32 upr_buffer_h)
942 spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
943 rc = slic_upr_queue_request(adapter,
946 upr_data_h, upr_buffer, upr_buffer_h);
950 slic_upr_start(adapter);
952 spin_unlock_irqrestore(&adapter->upr_lock.lock,
953 adapter->upr_lock.flags);
957 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
959 u32 linkstatus = adapter->pshmem->linkstatus;
961 unsigned char linkspeed;
962 unsigned char linkduplex;
964 if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
965 struct slic_shmem *pshmem;
967 pshmem = (struct slic_shmem *)(unsigned long)
969 #if BITS_PER_LONG == 64
970 slic_upr_queue_request(adapter,
972 SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
973 SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
976 slic_upr_queue_request(adapter,
978 (u32) &pshmem->linkstatus,
979 SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
983 if (adapter->state != ADAPT_UP)
986 linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
987 if (linkstatus & GIG_SPEED_1000)
988 linkspeed = LINK_1000MB;
989 else if (linkstatus & GIG_SPEED_100)
990 linkspeed = LINK_100MB;
992 linkspeed = LINK_10MB;
994 if (linkstatus & GIG_FULLDUPLEX)
995 linkduplex = LINK_FULLD;
997 linkduplex = LINK_HALFD;
999 if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN))
1002 /* link up event, but nothing has changed */
1003 if ((adapter->linkstate == LINK_UP) &&
1004 (linkup == LINK_UP) &&
1005 (adapter->linkspeed == linkspeed) &&
1006 (adapter->linkduplex == linkduplex))
1009 /* link has changed at this point */
1011 /* link has gone from up to down */
1012 if (linkup == LINK_DOWN) {
1013 adapter->linkstate = LINK_DOWN;
1017 /* link has gone from down to up */
1018 adapter->linkspeed = linkspeed;
1019 adapter->linkduplex = linkduplex;
1021 if (adapter->linkstate != LINK_UP) {
1023 slic_config_set(adapter, true);
1024 adapter->linkstate = LINK_UP;
1025 netif_start_queue(adapter->netdev);
1029 static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
1031 struct sliccard *card = adapter->card;
1032 struct slic_upr *upr;
1034 spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
1035 upr = adapter->upr_list;
1037 spin_unlock_irqrestore(&adapter->upr_lock.lock,
1038 adapter->upr_lock.flags);
1041 adapter->upr_list = upr->next;
1043 adapter->upr_busy = 0;
1044 switch (upr->upr_request) {
1045 case SLIC_UPR_STATS:
1047 struct slic_stats *slicstats =
1048 (struct slic_stats *) &adapter->pshmem->inicstats;
1049 struct slic_stats *newstats = slicstats;
1050 struct slic_stats *old = &adapter->inicstats_prev;
1051 struct slicnet_stats *stst = &adapter->slic_stats;
1053 if (isr & ISR_UPCERR) {
1054 dev_err(&adapter->netdev->dev,
1055 "SLIC_UPR_STATS command failed isr[%x]\n",
1060 UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
1061 newstats->xmit_tcp_segs_gb,
1062 old->xmit_tcp_segs_gb);
1064 UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
1065 newstats->xmit_tcp_bytes_gb,
1066 old->xmit_tcp_bytes_gb);
1068 UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
1069 newstats->rcv_tcp_segs_gb,
1070 old->rcv_tcp_segs_gb);
1072 UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
1073 newstats->rcv_tcp_bytes_gb,
1074 old->rcv_tcp_bytes_gb);
1076 UPDATE_STATS_GB(stst->iface.xmt_bytes,
1077 newstats->xmit_bytes_gb,
1078 old->xmit_bytes_gb);
1080 UPDATE_STATS_GB(stst->iface.xmt_ucast,
1081 newstats->xmit_unicasts_gb,
1082 old->xmit_unicasts_gb);
1084 UPDATE_STATS_GB(stst->iface.rcv_bytes,
1085 newstats->rcv_bytes_gb,
1088 UPDATE_STATS_GB(stst->iface.rcv_ucast,
1089 newstats->rcv_unicasts_gb,
1090 old->rcv_unicasts_gb);
1092 UPDATE_STATS_GB(stst->iface.xmt_errors,
1093 newstats->xmit_collisions_gb,
1094 old->xmit_collisions_gb);
1096 UPDATE_STATS_GB(stst->iface.xmt_errors,
1097 newstats->xmit_excess_collisions_gb,
1098 old->xmit_excess_collisions_gb);
1100 UPDATE_STATS_GB(stst->iface.xmt_errors,
1101 newstats->xmit_other_error_gb,
1102 old->xmit_other_error_gb);
1104 UPDATE_STATS_GB(stst->iface.rcv_errors,
1105 newstats->rcv_other_error_gb,
1106 old->rcv_other_error_gb);
1108 UPDATE_STATS_GB(stst->iface.rcv_discards,
1109 newstats->rcv_drops_gb,
1112 if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
1113 adapter->rcv_drops +=
1114 (newstats->rcv_drops_gb -
1117 memcpy(old, newstats, sizeof(struct slic_stats));
1121 slic_link_upr_complete(adapter, isr);
1123 case SLIC_UPR_RCONFIG:
1126 card->pingstatus |= (isr & ISR_PINGDSMASK);
1130 slic_upr_start(adapter);
1131 spin_unlock_irqrestore(&adapter->upr_lock.lock,
1132 adapter->upr_lock.flags);
1135 static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
1137 return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h,
1142 * Compute a checksum of the EEPROM according to RFC 1071.
1144 static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
1150 checksum += *(wp++);
1155 checksum += *(u8 *) wp;
1158 while (checksum >> 16)
1159 checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
1164 static void slic_rspqueue_free(struct adapter *adapter)
1167 struct slic_rspqueue *rspq = &adapter->rspqueue;
1169 for (i = 0; i < rspq->num_pages; i++) {
1170 if (rspq->vaddr[i]) {
1171 pci_free_consistent(adapter->pcidev, PAGE_SIZE,
1172 rspq->vaddr[i], rspq->paddr[i]);
1174 rspq->vaddr[i] = NULL;
1178 rspq->pageindex = 0;
1179 rspq->rspbuf = NULL;
1182 static int slic_rspqueue_init(struct adapter *adapter)
1185 struct slic_rspqueue *rspq = &adapter->rspqueue;
1186 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
1189 memset(rspq, 0, sizeof(struct slic_rspqueue));
1191 rspq->num_pages = SLIC_RSPQ_PAGES_GB;
1193 for (i = 0; i < rspq->num_pages; i++) {
1194 rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev,
1197 if (!rspq->vaddr[i]) {
1198 dev_err(&adapter->pcidev->dev,
1199 "pci_alloc_consistent failed\n");
1200 slic_rspqueue_free(adapter);
1205 slic_reg32_write(&slic_regs->slic_rbar,
1206 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1209 slic_reg64_write(adapter, &slic_regs->slic_rbar64,
1210 (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
1211 &slic_regs->slic_addr_upper,
1212 paddrh, DONT_FLUSH);
1216 rspq->pageindex = 0;
1217 rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
1221 static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
1223 struct slic_rspqueue *rspq = &adapter->rspqueue;
1224 struct slic_rspbuf *buf;
1226 if (!(rspq->rspbuf->status))
1230 if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
1233 slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64,
1234 (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
1235 &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
1236 rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages;
1238 rspq->rspbuf = (struct slic_rspbuf *)
1239 rspq->vaddr[rspq->pageindex];
1245 static void slic_cmdqmem_free(struct adapter *adapter)
1247 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1250 for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
1251 if (cmdqmem->pages[i]) {
1252 pci_free_consistent(adapter->pcidev,
1254 (void *) cmdqmem->pages[i],
1255 cmdqmem->dma_pages[i]);
1258 memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
1261 static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
1263 struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
1266 if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
1268 pageaddr = pci_alloc_consistent(adapter->pcidev,
1270 &cmdqmem->dma_pages[cmdqmem->pagecnt]);
1274 cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
1279 static void slic_cmdq_free(struct adapter *adapter)
1281 struct slic_hostcmd *cmd;
1283 cmd = adapter->cmdq_all.head;
1286 struct sk_buff *tempskb;
1291 dev_kfree_skb_irq(tempskb);
1294 cmd = cmd->next_all;
1296 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1297 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1298 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1299 slic_cmdqmem_free(adapter);
1302 static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
1304 struct slic_hostcmd *cmd;
1305 struct slic_hostcmd *prev;
1306 struct slic_hostcmd *tail;
1307 struct slic_cmdqueue *cmdq;
1313 struct slic_handle *pslic_handle;
1316 cmd = (struct slic_hostcmd *)cmdaddr;
1319 phys_addr = virt_to_bus((void *)page);
1320 phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
1321 phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
1325 while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
1326 (adapter->slic_handle_ix < 256)) {
1327 /* Allocate and initialize a SLIC_HANDLE for this command */
1328 spin_lock_irqsave(&adapter->handle_lock.lock,
1329 adapter->handle_lock.flags);
1330 pslic_handle = adapter->pfree_slic_handles;
1331 adapter->pfree_slic_handles = pslic_handle->next;
1332 spin_unlock_irqrestore(&adapter->handle_lock.lock,
1333 adapter->handle_lock.flags);
1334 pslic_handle->type = SLIC_HANDLE_CMD;
1335 pslic_handle->address = (void *) cmd;
1336 pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
1337 pslic_handle->other_handle = NULL;
1338 pslic_handle->next = NULL;
1340 cmd->pslic_handle = pslic_handle;
1341 cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
1343 cmd->paddrl = phys_addrl;
1344 cmd->paddrh = phys_addrh;
1345 cmd->next_all = prev;
1348 phys_addrl += SLIC_HOSTCMD_SIZE;
1349 cmdaddr += SLIC_HOSTCMD_SIZE;
1351 cmd = (struct slic_hostcmd *)cmdaddr;
1355 cmdq = &adapter->cmdq_all;
1356 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1357 tail->next_all = cmdq->head;
1359 cmdq = &adapter->cmdq_free;
1360 spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
1361 cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
1362 tail->next = cmdq->head;
1364 spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
1367 static int slic_cmdq_init(struct adapter *adapter)
1372 memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
1373 memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
1374 memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
1375 spin_lock_init(&adapter->cmdq_all.lock.lock);
1376 spin_lock_init(&adapter->cmdq_free.lock.lock);
1377 spin_lock_init(&adapter->cmdq_done.lock.lock);
1378 memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
1379 adapter->slic_handle_ix = 1;
1380 for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
1381 pageaddr = slic_cmdqmem_addpage(adapter);
1383 slic_cmdq_free(adapter);
1386 slic_cmdq_addcmdpage(adapter, pageaddr);
1388 adapter->slic_handle_ix = 1;
1393 static void slic_cmdq_reset(struct adapter *adapter)
1395 struct slic_hostcmd *hcmd;
1396 struct sk_buff *skb;
1399 spin_lock_irqsave(&adapter->cmdq_free.lock.lock,
1400 adapter->cmdq_free.lock.flags);
1401 spin_lock_irqsave(&adapter->cmdq_done.lock.lock,
1402 adapter->cmdq_done.lock.flags);
1403 outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
1404 outstanding -= adapter->cmdq_free.count;
1405 hcmd = adapter->cmdq_all.head;
1411 dev_kfree_skb_irq(skb);
1413 hcmd = hcmd->next_all;
1415 adapter->cmdq_free.count = 0;
1416 adapter->cmdq_free.head = NULL;
1417 adapter->cmdq_free.tail = NULL;
1418 adapter->cmdq_done.count = 0;
1419 adapter->cmdq_done.head = NULL;
1420 adapter->cmdq_done.tail = NULL;
1421 adapter->cmdq_free.head = adapter->cmdq_all.head;
1422 hcmd = adapter->cmdq_all.head;
1424 adapter->cmdq_free.count++;
1425 hcmd->next = hcmd->next_all;
1426 hcmd = hcmd->next_all;
1428 if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
1429 dev_err(&adapter->netdev->dev,
1430 "free_count %d != all count %d\n",
1431 adapter->cmdq_free.count, adapter->cmdq_all.count);
1433 spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock,
1434 adapter->cmdq_done.lock.flags);
1435 spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock,
1436 adapter->cmdq_free.lock.flags);
1439 static void slic_cmdq_getdone(struct adapter *adapter)
1441 struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
1442 struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
1444 spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags);
1446 free_cmdq->head = done_cmdq->head;
1447 free_cmdq->count = done_cmdq->count;
1448 done_cmdq->head = NULL;
1449 done_cmdq->tail = NULL;
1450 done_cmdq->count = 0;
1451 spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags);
1454 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
1456 struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
1457 struct slic_hostcmd *cmd = NULL;
1460 spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
1464 cmdq->head = cmd->next;
1466 spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
1468 slic_cmdq_getdone(adapter);
1475 spin_unlock_irqrestore(&cmdq->lock.lock,
1477 pageaddr = slic_cmdqmem_addpage(adapter);
1479 slic_cmdq_addcmdpage(adapter, pageaddr);
1480 goto lock_and_retry;
1487 static void slic_cmdq_putdone_irq(struct adapter *adapter,
1488 struct slic_hostcmd *cmd)
1490 struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
1492 spin_lock(&cmdq->lock.lock);
1494 cmd->next = cmdq->head;
1497 if ((adapter->xmitq_full) && (cmdq->count > 10))
1498 netif_wake_queue(adapter->netdev);
1499 spin_unlock(&cmdq->lock.lock);
1502 static int slic_rcvqueue_fill(struct adapter *adapter)
1507 struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
1509 struct device *dev = &adapter->netdev->dev;
1511 while (i < SLIC_RCVQ_FILLENTRIES) {
1512 struct slic_rcvbuf *rcvbuf;
1513 struct sk_buff *skb;
1514 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1517 skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
1519 paddr = (void *)(unsigned long)
1520 pci_map_single(adapter->pcidev,
1522 SLIC_RCVQ_RCVBUFSIZE,
1523 PCI_DMA_FROMDEVICE);
1524 paddrl = SLIC_GET_ADDR_LOW(paddr);
1525 paddrh = SLIC_GET_ADDR_HIGH(paddr);
1527 skb->len = SLIC_RCVBUF_HEADSIZE;
1528 rcvbuf = (struct slic_rcvbuf *)skb->head;
1531 #ifdef KLUDGE_FOR_4GB_BOUNDARY
1533 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1535 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1536 dev_err(dev, " skbdata[%p]\n", skb->data);
1537 dev_err(dev, " skblen[%x]\n", skb->len);
1538 dev_err(dev, " paddr[%p]\n", paddr);
1539 dev_err(dev, " paddrl[%x]\n", paddrl);
1540 dev_err(dev, " paddrh[%x]\n", paddrh);
1541 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1542 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1543 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
1544 dev_err(dev, "SKIP THIS SKB!!!!!!!!\n");
1545 goto retry_rcvqfill;
1549 dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n",
1551 dev_err(dev, "skb[%p] PROBLEM\n", skb);
1552 dev_err(dev, " skbdata[%p]\n", skb->data);
1553 dev_err(dev, " skblen[%x]\n", skb->len);
1554 dev_err(dev, " paddr[%p]\n", paddr);
1555 dev_err(dev, " paddrl[%x]\n", paddrl);
1556 dev_err(dev, " paddrh[%x]\n", paddrh);
1557 dev_err(dev, " rcvq->head[%p]\n", rcvq->head);
1558 dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail);
1559 dev_err(dev, " rcvq->count[%x]\n", rcvq->count);
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 void 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 */
1745 static void slic_init_cleanup(struct adapter *adapter)
1747 if (adapter->intrregistered) {
1748 adapter->intrregistered = 0;
1749 free_irq(adapter->netdev->irq, adapter->netdev);
1752 if (adapter->pshmem) {
1753 pci_free_consistent(adapter->pcidev,
1754 sizeof(struct slic_shmem),
1755 adapter->pshmem, adapter->phys_shmem);
1756 adapter->pshmem = NULL;
1757 adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL;
1760 if (adapter->pingtimerset) {
1761 adapter->pingtimerset = 0;
1762 del_timer(&adapter->pingtimer);
1765 slic_rspqueue_free(adapter);
1766 slic_cmdq_free(adapter);
1767 slic_rcvqueue_free(adapter);
1771 * Allocate a mcast_address structure to hold the multicast address.
1774 static int slic_mcast_add_list(struct adapter *adapter, char *address)
1776 struct mcast_address *mcaddr, *mlist;
1778 /* Check to see if it already exists */
1779 mlist = adapter->mcastaddrs;
1781 if (ether_addr_equal(mlist->address, address))
1783 mlist = mlist->next;
1786 /* Doesn't already exist. Allocate a structure to hold it */
1787 mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
1791 memcpy(mcaddr->address, address, ETH_ALEN);
1793 mcaddr->next = adapter->mcastaddrs;
1794 adapter->mcastaddrs = mcaddr;
1799 static void slic_mcast_set_list(struct net_device *dev)
1801 struct adapter *adapter = netdev_priv(dev);
1804 struct netdev_hw_addr *ha;
1806 netdev_for_each_mc_addr(ha, dev) {
1807 addresses = (char *) &ha->addr;
1808 status = slic_mcast_add_list(adapter, addresses);
1811 slic_mcast_set_bit(adapter, addresses);
1814 if (adapter->devflags_prev != dev->flags) {
1815 adapter->macopts = MAC_DIRECTED;
1817 if (dev->flags & IFF_BROADCAST)
1818 adapter->macopts |= MAC_BCAST;
1819 if (dev->flags & IFF_PROMISC)
1820 adapter->macopts |= MAC_PROMISC;
1821 if (dev->flags & IFF_ALLMULTI)
1822 adapter->macopts |= MAC_ALLMCAST;
1823 if (dev->flags & IFF_MULTICAST)
1824 adapter->macopts |= MAC_MCAST;
1826 adapter->devflags_prev = dev->flags;
1827 slic_config_set(adapter, true);
1830 slic_mcast_set_mask(adapter);
1834 #define XMIT_FAIL_LINK_STATE 1
1835 #define XMIT_FAIL_ZERO_LENGTH 2
1836 #define XMIT_FAIL_HOSTCMD_FAIL 3
1838 static void slic_xmit_build_request(struct adapter *adapter,
1839 struct slic_hostcmd *hcmd, struct sk_buff *skb)
1841 struct slic_host64_cmd *ihcmd;
1844 ihcmd = &hcmd->cmd64;
1846 ihcmd->flags = (adapter->port << IHFLG_IFSHFT);
1847 ihcmd->command = IHCMD_XMT_REQ;
1848 ihcmd->u.slic_buffers.totlen = skb->len;
1849 phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
1851 ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
1852 ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
1853 ihcmd->u.slic_buffers.bufs[0].length = skb->len;
1854 #if BITS_PER_LONG == 64
1855 hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] -
1856 (u64) hcmd) + 31) >> 5);
1858 hcmd->cmdsize = ((((u32) &ihcmd->u.slic_buffers.bufs[1] -
1859 (u32) hcmd) + 31) >> 5);
1863 static void slic_xmit_fail(struct adapter *adapter,
1864 struct sk_buff *skb,
1865 void *cmd, u32 skbtype, u32 status)
1867 if (adapter->xmitq_full)
1868 netif_stop_queue(adapter->netdev);
1869 if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
1871 case XMIT_FAIL_LINK_STATE:
1872 dev_err(&adapter->netdev->dev,
1873 "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n",
1875 SLIC_LINKSTATE(adapter->linkstate),
1876 SLIC_ADAPTER_STATE(adapter->state),
1878 SLIC_CARD_STATE(adapter->card->state),
1879 adapter->card->state);
1881 case XMIT_FAIL_ZERO_LENGTH:
1882 dev_err(&adapter->netdev->dev,
1883 "xmit_start skb->len == 0 skb[%p] type[%x]\n",
1884 skb, skb->pkt_type);
1886 case XMIT_FAIL_HOSTCMD_FAIL:
1887 dev_err(&adapter->netdev->dev,
1888 "xmit_start skb[%p] type[%x] No host commands available\n", skb, skb->pkt_type);
1893 adapter->netdev->stats.tx_dropped++;
1896 static void slic_rcv_handle_error(struct adapter *adapter,
1897 struct slic_rcvbuf *rcvbuf)
1899 struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
1900 struct net_device *netdev = adapter->netdev;
1902 if (adapter->devid != SLIC_1GB_DEVICE_ID) {
1903 if (hdr->frame_status14 & VRHSTAT_802OE)
1904 adapter->if_events.oflow802++;
1905 if (hdr->frame_status14 & VRHSTAT_TPOFLO)
1906 adapter->if_events.Tprtoflow++;
1907 if (hdr->frame_status_b14 & VRHSTATB_802UE)
1908 adapter->if_events.uflow802++;
1909 if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
1910 adapter->if_events.rcvearly++;
1911 netdev->stats.rx_fifo_errors++;
1913 if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
1914 adapter->if_events.Bufov++;
1915 netdev->stats.rx_over_errors++;
1917 if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
1918 adapter->if_events.Carre++;
1919 netdev->stats.tx_carrier_errors++;
1921 if (hdr->frame_status_b14 & VRHSTATB_LONGE)
1922 adapter->if_events.Longe++;
1923 if (hdr->frame_status_b14 & VRHSTATB_PREA)
1924 adapter->if_events.Invp++;
1925 if (hdr->frame_status_b14 & VRHSTATB_CRC) {
1926 adapter->if_events.Crc++;
1927 netdev->stats.rx_crc_errors++;
1929 if (hdr->frame_status_b14 & VRHSTATB_DRBL)
1930 adapter->if_events.Drbl++;
1931 if (hdr->frame_status_b14 & VRHSTATB_CODE)
1932 adapter->if_events.Code++;
1933 if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
1934 adapter->if_events.TpCsum++;
1935 if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
1936 adapter->if_events.TpHlen++;
1937 if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
1938 adapter->if_events.IpCsum++;
1939 if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
1940 adapter->if_events.IpLen++;
1941 if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
1942 adapter->if_events.IpHlen++;
1944 if (hdr->frame_statusGB & VGBSTAT_XPERR) {
1945 u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
1947 if (xerr == VGBSTAT_XCSERR)
1948 adapter->if_events.TpCsum++;
1949 if (xerr == VGBSTAT_XUFLOW)
1950 adapter->if_events.Tprtoflow++;
1951 if (xerr == VGBSTAT_XHLEN)
1952 adapter->if_events.TpHlen++;
1954 if (hdr->frame_statusGB & VGBSTAT_NETERR) {
1957 frame_statusGB >> VGBSTAT_NERRSHFT) &
1959 if (nerr == VGBSTAT_NCSERR)
1960 adapter->if_events.IpCsum++;
1961 if (nerr == VGBSTAT_NUFLOW)
1962 adapter->if_events.IpLen++;
1963 if (nerr == VGBSTAT_NHLEN)
1964 adapter->if_events.IpHlen++;
1966 if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
1967 u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
1969 if (lerr == VGBSTAT_LDEARLY)
1970 adapter->if_events.rcvearly++;
1971 if (lerr == VGBSTAT_LBOFLO)
1972 adapter->if_events.Bufov++;
1973 if (lerr == VGBSTAT_LCODERR)
1974 adapter->if_events.Code++;
1975 if (lerr == VGBSTAT_LDBLNBL)
1976 adapter->if_events.Drbl++;
1977 if (lerr == VGBSTAT_LCRCERR)
1978 adapter->if_events.Crc++;
1979 if (lerr == VGBSTAT_LOFLO)
1980 adapter->if_events.oflow802++;
1981 if (lerr == VGBSTAT_LUFLO)
1982 adapter->if_events.uflow802++;
1988 #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000
1989 #define M_FAST_PATH 0x0040
1991 static void slic_rcv_handler(struct adapter *adapter)
1993 struct net_device *netdev = adapter->netdev;
1994 struct sk_buff *skb;
1995 struct slic_rcvbuf *rcvbuf;
1998 while ((skb = slic_rcvqueue_getnext(adapter))) {
2001 rcvbuf = (struct slic_rcvbuf *)skb->head;
2002 adapter->card->events++;
2003 if (rcvbuf->status & IRHDDR_ERR) {
2004 adapter->rx_errors++;
2005 slic_rcv_handle_error(adapter, rcvbuf);
2006 slic_rcvqueue_reinsert(adapter, skb);
2010 if (!slic_mac_filter(adapter, (struct ether_header *)
2012 slic_rcvqueue_reinsert(adapter, skb);
2015 skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
2016 rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
2017 skb_put(skb, rx_bytes);
2018 netdev->stats.rx_packets++;
2019 netdev->stats.rx_bytes += rx_bytes;
2020 #if SLIC_OFFLOAD_IP_CHECKSUM
2021 skb->ip_summed = CHECKSUM_UNNECESSARY;
2024 skb->dev = adapter->netdev;
2025 skb->protocol = eth_type_trans(skb, skb->dev);
2029 #if SLIC_INTERRUPT_PROCESS_LIMIT
2030 if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
2031 adapter->rcv_interrupt_yields++;
2036 adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
2039 static void slic_xmit_complete(struct adapter *adapter)
2041 struct slic_hostcmd *hcmd;
2042 struct slic_rspbuf *rspbuf;
2044 struct slic_handle_word slic_handle_word;
2047 rspbuf = slic_rspqueue_getnext(adapter);
2050 adapter->xmit_completes++;
2051 adapter->card->events++;
2053 Get the complete host command buffer
2055 slic_handle_word.handle_token = rspbuf->hosthandle;
2057 (struct slic_hostcmd *)
2058 adapter->slic_handles[slic_handle_word.handle_index].
2060 /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
2061 if (hcmd->type == SLIC_CMD_DUMB) {
2063 dev_kfree_skb_irq(hcmd->skb);
2064 slic_cmdq_putdone_irq(adapter, hcmd);
2067 rspbuf->hosthandle = 0;
2070 adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
2073 static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
2074 struct net_device *dev)
2076 if (isr & ~ISR_IO) {
2077 if (isr & ISR_ERR) {
2078 adapter->error_interrupts++;
2079 if (isr & ISR_RMISS) {
2084 struct slic_rcvqueue *rcvq =
2087 adapter->error_rmiss_interrupts++;
2090 rcv_count = rcvq->count;
2091 pre_count = rcvq->count;
2092 errors = rcvq->errors;
2094 while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
2095 count = slic_rcvqueue_fill(adapter);
2099 } else if (isr & ISR_XDROP) {
2101 "isr & ISR_ERR [%x] ISR_XDROP\n", isr);
2104 "isr & ISR_ERR [%x]\n",
2109 if (isr & ISR_LEVENT) {
2110 adapter->linkevent_interrupts++;
2111 slic_link_event_handler(adapter);
2114 if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
2115 (isr & ISR_UPCBSY)) {
2116 adapter->upr_interrupts++;
2117 slic_upr_request_complete(adapter, isr);
2121 if (isr & ISR_RCV) {
2122 adapter->rcv_interrupts++;
2123 slic_rcv_handler(adapter);
2126 if (isr & ISR_CMD) {
2127 adapter->xmit_interrupts++;
2128 slic_xmit_complete(adapter);
2133 static irqreturn_t slic_interrupt(int irq, void *dev_id)
2135 struct net_device *dev = (struct net_device *)dev_id;
2136 struct adapter *adapter = netdev_priv(dev);
2139 if ((adapter->pshmem) && (adapter->pshmem->isr)) {
2140 slic_reg32_write(&adapter->slic_regs->slic_icr,
2141 ICR_INT_MASK, FLUSH);
2142 isr = adapter->isrcopy = adapter->pshmem->isr;
2143 adapter->pshmem->isr = 0;
2144 adapter->num_isrs++;
2145 switch (adapter->card->state) {
2147 slic_interrupt_card_up(isr, adapter, dev);
2151 if ((isr & ISR_UPC) ||
2152 (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
2153 adapter->upr_interrupts++;
2154 slic_upr_request_complete(adapter, isr);
2159 adapter->isrcopy = 0;
2160 adapter->all_reg_writes += 2;
2161 adapter->isr_reg_writes++;
2162 slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH);
2164 adapter->false_interrupts++;
2169 #define NORMAL_ETHFRAME 0
2171 static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
2173 struct sliccard *card;
2174 struct adapter *adapter = netdev_priv(dev);
2175 struct slic_hostcmd *hcmd = NULL;
2177 void *offloadcmd = NULL;
2179 card = adapter->card;
2180 if ((adapter->linkstate != LINK_UP) ||
2181 (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
2182 status = XMIT_FAIL_LINK_STATE;
2185 } else if (skb->len == 0) {
2186 status = XMIT_FAIL_ZERO_LENGTH;
2190 hcmd = slic_cmdq_getfree(adapter);
2192 adapter->xmitq_full = 1;
2193 status = XMIT_FAIL_HOSTCMD_FAIL;
2198 hcmd->type = SLIC_CMD_DUMB;
2199 slic_xmit_build_request(adapter, hcmd, skb);
2200 dev->stats.tx_packets++;
2201 dev->stats.tx_bytes += skb->len;
2204 if (adapter->kill_card) {
2205 struct slic_host64_cmd ihcmd;
2207 ihcmd = &hcmd->cmd64;
2209 ihcmd->flags |= 0x40;
2210 adapter->kill_card = 0; /* only do this once */
2213 if (hcmd->paddrh == 0) {
2214 slic_reg32_write(&adapter->slic_regs->slic_cbar,
2215 (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
2217 slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64,
2218 (hcmd->paddrl | hcmd->cmdsize),
2219 &adapter->slic_regs->slic_addr_upper,
2220 hcmd->paddrh, DONT_FLUSH);
2223 return NETDEV_TX_OK;
2225 slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status);
2230 static void slic_adapter_freeresources(struct adapter *adapter)
2232 slic_init_cleanup(adapter);
2233 adapter->error_interrupts = 0;
2234 adapter->rcv_interrupts = 0;
2235 adapter->xmit_interrupts = 0;
2236 adapter->linkevent_interrupts = 0;
2237 adapter->upr_interrupts = 0;
2238 adapter->num_isrs = 0;
2239 adapter->xmit_completes = 0;
2240 adapter->rcv_broadcasts = 0;
2241 adapter->rcv_multicasts = 0;
2242 adapter->rcv_unicasts = 0;
2245 static int slic_adapter_allocresources(struct adapter *adapter)
2247 if (!adapter->intrregistered) {
2250 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2251 slic_global.driver_lock.flags);
2253 retval = request_irq(adapter->netdev->irq,
2256 adapter->netdev->name, adapter->netdev);
2258 spin_lock_irqsave(&slic_global.driver_lock.lock,
2259 slic_global.driver_lock.flags);
2262 dev_err(&adapter->netdev->dev,
2263 "request_irq (%s) FAILED [%x]\n",
2264 adapter->netdev->name, retval);
2267 adapter->intrregistered = 1;
2275 * Perform initialization of our slic interface.
2278 static int slic_if_init(struct adapter *adapter)
2280 struct sliccard *card = adapter->card;
2281 struct net_device *dev = adapter->netdev;
2282 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2283 struct slic_shmem *pshmem;
2286 /* adapter should be down at this point */
2287 if (adapter->state != ADAPT_DOWN) {
2288 dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
2294 adapter->devflags_prev = dev->flags;
2295 adapter->macopts = MAC_DIRECTED;
2297 if (dev->flags & IFF_BROADCAST)
2298 adapter->macopts |= MAC_BCAST;
2299 if (dev->flags & IFF_PROMISC)
2300 adapter->macopts |= MAC_PROMISC;
2301 if (dev->flags & IFF_ALLMULTI)
2302 adapter->macopts |= MAC_ALLMCAST;
2303 if (dev->flags & IFF_MULTICAST)
2304 adapter->macopts |= MAC_MCAST;
2306 rc = slic_adapter_allocresources(adapter);
2309 "%s: 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 pshmem = (struct slic_shmem *)(unsigned long)
2333 adapter->phys_shmem;
2335 spin_lock_irqsave(&adapter->bit64reglock.lock,
2336 adapter->bit64reglock.flags);
2338 #if BITS_PER_LONG == 64
2339 slic_reg32_write(&slic_regs->slic_addr_upper,
2340 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2341 slic_reg32_write(&slic_regs->slic_isp,
2342 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2344 slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
2345 slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr, FLUSH);
2347 spin_unlock_irqrestore(&adapter->bit64reglock.lock,
2348 adapter->bit64reglock.flags);
2349 adapter->isp_initialized = 1;
2352 adapter->state = ADAPT_UP;
2353 if (!card->loadtimerset) {
2354 init_timer(&card->loadtimer);
2355 card->loadtimer.expires =
2356 jiffies + (SLIC_LOADTIMER_PERIOD * HZ);
2357 card->loadtimer.data = (ulong) card;
2358 card->loadtimer.function = &slic_timer_load_check;
2359 add_timer(&card->loadtimer);
2361 card->loadtimerset = 1;
2364 if (!adapter->pingtimerset) {
2365 init_timer(&adapter->pingtimer);
2366 adapter->pingtimer.expires =
2367 jiffies + (PING_TIMER_INTERVAL * HZ);
2368 adapter->pingtimer.data = (ulong) dev;
2369 adapter->pingtimer.function = &slic_timer_ping;
2370 add_timer(&adapter->pingtimer);
2371 adapter->pingtimerset = 1;
2372 adapter->card->pingstatus = ISR_PINGMASK;
2376 * clear any pending events, then enable interrupts
2378 adapter->isrcopy = 0;
2379 adapter->pshmem->isr = 0;
2380 slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
2381 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
2383 slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
2384 slic_link_event_handler(adapter);
2390 static int slic_entry_open(struct net_device *dev)
2392 struct adapter *adapter = netdev_priv(dev);
2393 struct sliccard *card = adapter->card;
2396 netif_stop_queue(adapter->netdev);
2398 spin_lock_irqsave(&slic_global.driver_lock.lock,
2399 slic_global.driver_lock.flags);
2400 if (!adapter->activated) {
2401 card->adapters_activated++;
2402 slic_global.num_slic_ports_active++;
2403 adapter->activated = 1;
2405 status = slic_if_init(adapter);
2408 if (adapter->activated) {
2409 card->adapters_activated--;
2410 slic_global.num_slic_ports_active--;
2411 adapter->activated = 0;
2416 card->master = adapter;
2419 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2420 slic_global.driver_lock.flags);
2424 static void slic_card_cleanup(struct sliccard *card)
2426 if (card->loadtimerset) {
2427 card->loadtimerset = 0;
2428 del_timer_sync(&card->loadtimer);
2434 static void slic_entry_remove(struct pci_dev *pcidev)
2436 struct net_device *dev = pci_get_drvdata(pcidev);
2437 struct adapter *adapter = netdev_priv(dev);
2438 struct sliccard *card;
2439 struct mcast_address *mcaddr, *mlist;
2441 unregister_netdev(dev);
2443 slic_adapter_freeresources(adapter);
2444 slic_unmap_mmio_space(adapter);
2446 /* free multicast addresses */
2447 mlist = adapter->mcastaddrs;
2450 mlist = mlist->next;
2453 card = adapter->card;
2454 card->adapters_allocated--;
2455 adapter->allocated = 0;
2456 if (!card->adapters_allocated) {
2457 struct sliccard *curr_card = slic_global.slic_card;
2458 if (curr_card == card) {
2459 slic_global.slic_card = card->next;
2461 while (curr_card->next != card)
2462 curr_card = curr_card->next;
2463 curr_card->next = card->next;
2465 slic_global.num_slic_cards--;
2466 slic_card_cleanup(card);
2469 pci_release_regions(pcidev);
2470 pci_disable_device(pcidev);
2473 static int slic_entry_halt(struct net_device *dev)
2475 struct adapter *adapter = netdev_priv(dev);
2476 struct sliccard *card = adapter->card;
2477 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2479 spin_lock_irqsave(&slic_global.driver_lock.lock,
2480 slic_global.driver_lock.flags);
2481 netif_stop_queue(adapter->netdev);
2482 adapter->state = ADAPT_DOWN;
2483 adapter->linkstate = LINK_DOWN;
2484 adapter->upr_list = NULL;
2485 adapter->upr_busy = 0;
2486 adapter->devflags_prev = 0;
2487 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2488 adapter->all_reg_writes++;
2489 adapter->icr_reg_writes++;
2490 slic_config_clear(adapter);
2491 if (adapter->activated) {
2492 card->adapters_activated--;
2493 slic_global.num_slic_ports_active--;
2494 adapter->activated = 0;
2496 #ifdef AUTOMATIC_RESET
2497 slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH);
2500 * Reset the adapter's cmd queues
2502 slic_cmdq_reset(adapter);
2504 #ifdef AUTOMATIC_RESET
2505 if (!card->adapters_activated)
2506 slic_card_init(card, adapter);
2509 spin_unlock_irqrestore(&slic_global.driver_lock.lock,
2510 slic_global.driver_lock.flags);
2514 static struct net_device_stats *slic_get_stats(struct net_device *dev)
2516 struct adapter *adapter = netdev_priv(dev);
2518 dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions;
2519 dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors;
2520 dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors;
2521 dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
2522 dev->stats.tx_heartbeat_errors = 0;
2523 dev->stats.tx_aborted_errors = 0;
2524 dev->stats.tx_window_errors = 0;
2525 dev->stats.tx_fifo_errors = 0;
2526 dev->stats.rx_frame_errors = 0;
2527 dev->stats.rx_length_errors = 0;
2532 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2534 struct adapter *adapter = netdev_priv(dev);
2535 struct ethtool_cmd edata;
2536 struct ethtool_cmd ecmd;
2541 case SIOCSLICSETINTAGG:
2542 if (copy_from_user(data, rq->ifr_data, 28))
2545 dev_err(&dev->dev, "%s: set interrupt aggregation to %d\n",
2547 slic_intagg_set(adapter, intagg);
2550 #ifdef SLIC_TRACE_DUMP_ENABLED
2551 case SIOCSLICTRACEDUMP:
2554 DBG_IOCTL("slic_ioctl SIOCSLIC_TRACE_DUMP\n");
2556 if (copy_from_user(data, rq->ifr_data, 28)) {
2558 ("slic: copy_from_user FAILED getting initial simba param\n");
2563 if (tracemon_request == SLIC_DUMP_DONE) {
2565 ("ATK Diagnostic Trace Dump Requested\n");
2566 tracemon_request = SLIC_DUMP_REQUESTED;
2567 tracemon_request_type = value;
2568 tracemon_timestamp = jiffies;
2569 } else if ((tracemon_request == SLIC_DUMP_REQUESTED) ||
2570 (tracemon_request ==
2571 SLIC_DUMP_IN_PROGRESS)) {
2573 ("ATK Diagnostic Trace Dump Requested but already in progress... ignore\n");
2576 ("ATK Diagnostic Trace Dump Requested\n");
2577 tracemon_request = SLIC_DUMP_REQUESTED;
2578 tracemon_request_type = value;
2579 tracemon_timestamp = jiffies;
2585 if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
2588 if (ecmd.cmd == ETHTOOL_GSET) {
2589 memset(&edata, 0, sizeof(edata));
2590 edata.supported = (SUPPORTED_10baseT_Half |
2591 SUPPORTED_10baseT_Full |
2592 SUPPORTED_100baseT_Half |
2593 SUPPORTED_100baseT_Full |
2594 SUPPORTED_Autoneg | SUPPORTED_MII);
2595 edata.port = PORT_MII;
2596 edata.transceiver = XCVR_INTERNAL;
2597 edata.phy_address = 0;
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 (copy_to_user(rq->ifr_data, &edata, sizeof(edata)))
2616 } else if (ecmd.cmd == ETHTOOL_SSET) {
2617 if (!capable(CAP_NET_ADMIN))
2620 if (adapter->linkspeed == LINK_100MB)
2621 edata.speed = SPEED_100;
2622 else if (adapter->linkspeed == LINK_10MB)
2623 edata.speed = SPEED_10;
2627 if (adapter->linkduplex == LINK_FULLD)
2628 edata.duplex = DUPLEX_FULL;
2630 edata.duplex = DUPLEX_HALF;
2632 edata.autoneg = AUTONEG_ENABLE;
2635 if ((ecmd.speed != edata.speed) ||
2636 (ecmd.duplex != edata.duplex)) {
2640 if (ecmd.speed == SPEED_10)
2643 speed = PCR_SPEED_100;
2644 if (ecmd.duplex == DUPLEX_FULL)
2645 duplex = PCR_DUPLEX_FULL;
2648 slic_link_config(adapter, speed, duplex);
2649 slic_link_event_handler(adapter);
2658 static void slic_config_pci(struct pci_dev *pcidev)
2663 pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
2665 new_command = pci_command | PCI_COMMAND_MASTER
2666 | PCI_COMMAND_MEMORY
2667 | PCI_COMMAND_INVALIDATE
2668 | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
2669 if (pci_command != new_command)
2670 pci_write_config_word(pcidev, PCI_COMMAND, new_command);
2673 static int slic_card_init(struct sliccard *card, struct adapter *adapter)
2675 __iomem struct slic_regs *slic_regs = adapter->slic_regs;
2676 struct slic_eeprom *peeprom;
2677 struct oslic_eeprom *pOeeprom;
2678 dma_addr_t phys_config;
2682 struct slic_shmem *pshmem;
2684 uint macaddrs = card->card_size;
2689 struct slic_config_mac *pmac;
2690 unsigned char fruformat;
2691 unsigned char oemfruformat;
2692 struct atk_fru *patkfru;
2693 union oemfru *poemfru;
2695 /* Reset everything except PCI configuration space */
2696 slic_soft_reset(adapter);
2698 /* Download the microcode */
2699 status = slic_card_download(adapter);
2703 if (!card->config_set) {
2704 peeprom = pci_alloc_consistent(adapter->pcidev,
2705 sizeof(struct slic_eeprom),
2708 phys_configl = SLIC_GET_ADDR_LOW(phys_config);
2709 phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
2712 dev_err(&adapter->pcidev->dev,
2713 "Failed to allocate DMA memory for EEPROM.\n");
2717 memset(peeprom, 0, sizeof(struct slic_eeprom));
2719 slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
2721 pshmem = (struct slic_shmem *)(unsigned long)
2722 adapter->phys_shmem;
2724 spin_lock_irqsave(&adapter->bit64reglock.lock,
2725 adapter->bit64reglock.flags);
2726 slic_reg32_write(&slic_regs->slic_addr_upper,
2727 SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
2728 slic_reg32_write(&slic_regs->slic_isp,
2729 SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
2730 spin_unlock_irqrestore(&adapter->bit64reglock.lock,
2731 adapter->bit64reglock.flags);
2733 status = slic_config_get(adapter, phys_configl, phys_configh);
2735 dev_err(&adapter->pcidev->dev,
2736 "Failed to fetch config data from device.\n");
2741 if (adapter->pshmem->isr) {
2742 if (adapter->pshmem->isr & ISR_UPC) {
2743 adapter->pshmem->isr = 0;
2744 slic_reg64_write(adapter,
2745 &slic_regs->slic_isp, 0,
2746 &slic_regs->slic_addr_upper,
2748 slic_reg32_write(&slic_regs->slic_isr,
2751 slic_upr_request_complete(adapter, 0);
2755 adapter->pshmem->isr = 0;
2756 slic_reg32_write(&slic_regs->slic_isr,
2762 dev_err(&adapter->pcidev->dev,
2763 "Fetch of config data timed out.\n");
2764 slic_reg64_write(adapter,
2765 &slic_regs->slic_isp, 0,
2766 &slic_regs->slic_addr_upper,
2774 switch (adapter->devid) {
2776 case SLIC_2GB_DEVICE_ID:
2777 /* extract EEPROM data and pointers to EEPROM data */
2778 pOeeprom = (struct oslic_eeprom *) peeprom;
2779 eecodesize = pOeeprom->EecodeSize;
2780 dramsize = pOeeprom->DramSize;
2781 pmac = pOeeprom->MacInfo;
2782 fruformat = pOeeprom->FruFormat;
2783 patkfru = &pOeeprom->AtkFru;
2784 oemfruformat = pOeeprom->OemFruFormat;
2785 poemfru = &pOeeprom->OemFru;
2787 /* Minor kludge for Oasis card
2788 get 2 MAC addresses from the
2789 EEPROM to ensure that function 1
2790 gets the Port 1 MAC address */
2793 /* extract EEPROM data and pointers to EEPROM data */
2794 eecodesize = peeprom->EecodeSize;
2795 dramsize = peeprom->DramSize;
2796 pmac = peeprom->u2.mac.MacInfo;
2797 fruformat = peeprom->FruFormat;
2798 patkfru = &peeprom->AtkFru;
2799 oemfruformat = peeprom->OemFruFormat;
2800 poemfru = &peeprom->OemFru;
2804 card->config.EepromValid = false;
2806 /* see if the EEPROM is valid by checking it's checksum */
2807 if ((eecodesize <= MAX_EECODE_SIZE) &&
2808 (eecodesize >= MIN_EECODE_SIZE)) {
2811 *(u16 *) ((char *) peeprom + (eecodesize - 2));
2813 calculate the EEPROM checksum
2815 calc_chksum = slic_eeprom_cksum(peeprom,
2818 if the ucdoe chksum flag bit worked,
2819 we wouldn't need this
2821 if (ee_chksum == calc_chksum)
2822 card->config.EepromValid = true;
2824 /* copy in the DRAM size */
2825 card->config.DramSize = dramsize;
2827 /* copy in the MAC address(es) */
2828 for (i = 0; i < macaddrs; i++) {
2829 memcpy(&card->config.MacInfo[i],
2830 &pmac[i], sizeof(struct slic_config_mac));
2833 /* copy the Alacritech FRU information */
2834 card->config.FruFormat = fruformat;
2835 memcpy(&card->config.AtkFru, patkfru,
2836 sizeof(struct atk_fru));
2838 pci_free_consistent(adapter->pcidev,
2839 sizeof(struct slic_eeprom),
2840 peeprom, phys_config);
2842 if (!card->config.EepromValid) {
2843 slic_reg64_write(adapter, &slic_regs->slic_isp, 0,
2844 &slic_regs->slic_addr_upper,
2846 dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n");
2850 card->config_set = 1;
2853 status = slic_card_download_gbrcv(adapter);
2857 if (slic_global.dynamic_intagg)
2858 slic_intagg_set(adapter, 0);
2860 slic_intagg_set(adapter, intagg_delay);
2863 * Initialize ping status to "ok"
2865 card->pingstatus = ISR_PINGMASK;
2868 * Lastly, mark our card state as up and return success
2870 card->state = CARD_UP;
2871 card->reset_in_progress = 0;
2876 pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom),
2877 peeprom, phys_config);
2881 static void slic_init_driver(void)
2883 if (slic_first_init) {
2884 slic_first_init = 0;
2885 spin_lock_init(&slic_global.driver_lock.lock);
2889 static void slic_init_adapter(struct net_device *netdev,
2890 struct pci_dev *pcidev,
2891 const struct pci_device_id *pci_tbl_entry,
2892 void __iomem *memaddr, int chip_idx)
2895 struct slic_handle *pslic_handle;
2896 struct adapter *adapter = netdev_priv(netdev);
2898 /* adapter->pcidev = pcidev;*/
2899 adapter->vendid = pci_tbl_entry->vendor;
2900 adapter->devid = pci_tbl_entry->device;
2901 adapter->subsysid = pci_tbl_entry->subdevice;
2902 adapter->busnumber = pcidev->bus->number;
2903 adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
2904 adapter->functionnumber = (pcidev->devfn & 0x7);
2905 adapter->slic_regs = (__iomem struct slic_regs *)memaddr;
2906 adapter->irq = pcidev->irq;
2907 /* adapter->netdev = netdev;*/
2908 adapter->chipid = chip_idx;
2909 adapter->port = 0; /*adapter->functionnumber;*/
2910 adapter->cardindex = adapter->port;
2911 spin_lock_init(&adapter->upr_lock.lock);
2912 spin_lock_init(&adapter->bit64reglock.lock);
2913 spin_lock_init(&adapter->adapter_lock.lock);
2914 spin_lock_init(&adapter->reset_lock.lock);
2915 spin_lock_init(&adapter->handle_lock.lock);
2917 adapter->card_size = 1;
2919 Initialize slic_handle array
2922 Start with 1. 0 is an invalid host handle.
2924 for (index = 1, pslic_handle = &adapter->slic_handles[1];
2925 index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
2927 pslic_handle->token.handle_index = index;
2928 pslic_handle->type = SLIC_HANDLE_FREE;
2929 pslic_handle->next = adapter->pfree_slic_handles;
2930 adapter->pfree_slic_handles = pslic_handle;
2932 adapter->pshmem = (struct slic_shmem *)
2933 pci_alloc_consistent(adapter->pcidev,
2934 sizeof(struct slic_shmem),
2937 if (adapter->pshmem)
2938 memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
2941 static const struct net_device_ops slic_netdev_ops = {
2942 .ndo_open = slic_entry_open,
2943 .ndo_stop = slic_entry_halt,
2944 .ndo_start_xmit = slic_xmit_start,
2945 .ndo_do_ioctl = slic_ioctl,
2946 .ndo_set_mac_address = slic_mac_set_address,
2947 .ndo_get_stats = slic_get_stats,
2948 .ndo_set_rx_mode = slic_mcast_set_list,
2949 .ndo_validate_addr = eth_validate_addr,
2950 .ndo_change_mtu = eth_change_mtu,
2953 static u32 slic_card_locate(struct adapter *adapter)
2955 struct sliccard *card = slic_global.slic_card;
2956 struct physcard *physcard = slic_global.phys_card;
2958 u16 __iomem *hostid_reg;
2960 uint rdhostid_offset = 0;
2962 switch (adapter->devid) {
2963 case SLIC_2GB_DEVICE_ID:
2964 rdhostid_offset = SLIC_RDHOSTID_2GB;
2966 case SLIC_1GB_DEVICE_ID:
2967 rdhostid_offset = SLIC_RDHOSTID_1GB;
2974 (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) +
2977 /* read the 16 bit hostid from SRAM */
2978 card_hostid = (ushort) readw(hostid_reg);
2980 /* Initialize a new card structure if need be */
2981 if (card_hostid == SLIC_HOSTID_DEFAULT) {
2982 card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
2986 card->next = slic_global.slic_card;
2987 slic_global.slic_card = card;
2988 card->busnumber = adapter->busnumber;
2989 card->slotnumber = adapter->slotnumber;
2991 /* Find an available cardnum */
2992 for (i = 0; i < SLIC_MAX_CARDS; i++) {
2993 if (slic_global.cardnuminuse[i] == 0) {
2994 slic_global.cardnuminuse[i] = 1;
2999 slic_global.num_slic_cards++;
3001 /* Card exists, find the card this adapter belongs to */
3003 if (card->cardnum == card_hostid)
3011 /* Put the adapter in the card's adapter list */
3012 if (!card->adapter[adapter->port]) {
3013 card->adapter[adapter->port] = adapter;
3014 adapter->card = card;
3017 card->card_size = 1; /* one port per *logical* card */
3020 for (i = 0; i < SLIC_MAX_PORTS; i++) {
3021 if (physcard->adapter[i])
3024 if (i == SLIC_MAX_PORTS)
3027 if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
3029 physcard = physcard->next;
3032 /* no structure allocated for this physical card yet */
3033 physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC);
3035 if (card_hostid == SLIC_HOSTID_DEFAULT)
3040 physcard->next = slic_global.phys_card;
3041 slic_global.phys_card = physcard;
3042 physcard->adapters_allocd = 1;
3044 physcard->adapters_allocd++;
3046 /* Note - this is ZERO relative */
3047 adapter->physport = physcard->adapters_allocd - 1;
3049 physcard->adapter[adapter->physport] = adapter;
3050 adapter->physcard = physcard;
3055 static int slic_entry_probe(struct pci_dev *pcidev,
3056 const struct pci_device_id *pci_tbl_entry)
3058 static int cards_found;
3059 static int did_version;
3061 struct net_device *netdev;
3062 struct adapter *adapter;
3063 void __iomem *memmapped_ioaddr = NULL;
3064 ulong mmio_start = 0;
3066 struct sliccard *card = NULL;
3067 int pci_using_dac = 0;
3069 slic_global.dynamic_intagg = dynamic_intagg;
3071 err = pci_enable_device(pcidev);
3076 if (did_version++ == 0) {
3077 dev_info(&pcidev->dev, "%s\n", slic_banner);
3078 dev_info(&pcidev->dev, "%s\n", slic_proc_version);
3081 if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
3083 err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
3085 dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n");
3086 goto err_out_disable_pci;
3089 err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
3091 dev_err(&pcidev->dev, "no usable DMA configuration\n");
3092 goto err_out_disable_pci;
3095 pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
3098 err = pci_request_regions(pcidev, DRV_NAME);
3100 dev_err(&pcidev->dev, "can't obtain PCI resources\n");
3101 goto err_out_disable_pci;
3104 pci_set_master(pcidev);
3106 netdev = alloc_etherdev(sizeof(struct adapter));
3109 goto err_out_exit_slic_probe;
3112 SET_NETDEV_DEV(netdev, &pcidev->dev);
3114 pci_set_drvdata(pcidev, netdev);
3115 adapter = netdev_priv(netdev);
3116 adapter->netdev = netdev;
3117 adapter->pcidev = pcidev;
3119 netdev->features |= NETIF_F_HIGHDMA;
3121 mmio_start = pci_resource_start(pcidev, 0);
3122 mmio_len = pci_resource_len(pcidev, 0);
3125 /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
3126 memmapped_ioaddr = ioremap(mmio_start, mmio_len);
3127 if (!memmapped_ioaddr) {
3128 dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n",
3129 mmio_len, mmio_start);
3131 goto err_out_free_netdev;
3134 slic_config_pci(pcidev);
3138 slic_init_adapter(netdev,
3139 pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
3141 err = slic_card_locate(adapter);
3143 dev_err(&pcidev->dev, "cannot locate card\n");
3147 card = adapter->card;
3149 if (!adapter->allocated) {
3150 card->adapters_allocated++;
3151 adapter->allocated = 1;
3154 err = slic_card_init(card, adapter);
3158 slic_adapter_set_hwaddr(adapter);
3160 netdev->base_addr = (unsigned long) memmapped_ioaddr;
3161 netdev->irq = adapter->irq;
3162 netdev->netdev_ops = &slic_netdev_ops;
3164 strcpy(netdev->name, "eth%d");
3165 err = register_netdev(netdev);
3167 dev_err(&pcidev->dev, "Cannot register net device, aborting.\n");
3176 iounmap(memmapped_ioaddr);
3177 err_out_free_netdev:
3178 free_netdev(netdev);
3179 err_out_exit_slic_probe:
3180 pci_release_regions(pcidev);
3181 err_out_disable_pci:
3182 pci_disable_device(pcidev);
3186 static struct pci_driver slic_driver = {
3188 .id_table = slic_pci_tbl,
3189 .probe = slic_entry_probe,
3190 .remove = slic_entry_remove,
3193 static int __init slic_module_init(void)
3197 return pci_register_driver(&slic_driver);
3200 static void __exit slic_module_cleanup(void)
3202 pci_unregister_driver(&slic_driver);
3205 module_init(slic_module_init);
3206 module_exit(slic_module_cleanup);