diff options
Diffstat (limited to 'drivers/staging/slicoss/slicoss.c')
-rw-r--r-- | drivers/staging/slicoss/slicoss.c | 3131 |
1 files changed, 0 insertions, 3131 deletions
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c deleted file mode 100644 index 2802b900f8ee..000000000000 --- a/drivers/staging/slicoss/slicoss.c +++ /dev/null @@ -1,3131 +0,0 @@ -/************************************************************************** - * - * Copyright 2000-2006 Alacritech, Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation - * are those of the authors and should not be interpreted as representing - * official policies, either expressed or implied, of Alacritech, Inc. - * - **************************************************************************/ - -/* - * FILENAME: slicoss.c - * - * The SLICOSS driver for Alacritech's IS-NIC products. - * - * This driver is supposed to support: - * - * Mojave cards (single port PCI Gigabit) both copper and fiber - * Oasis cards (single and dual port PCI-x Gigabit) copper and fiber - * Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber - * - * The driver was actually tested on Oasis and Kalahari cards. - * - * - * NOTE: This is the standard, non-accelerated version of Alacritech's - * IS-NIC driver. - */ - -#define KLUDGE_FOR_4GB_BOUNDARY 1 -#define DEBUG_MICROCODE 1 -#define DBG 1 -#define SLIC_INTERRUPT_PROCESS_LIMIT 1 -#define SLIC_OFFLOAD_IP_CHECKSUM 1 -#define STATS_TIMER_INTERVAL 2 -#define PING_TIMER_INTERVAL 1 -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/timer.h> -#include <linux/pci.h> -#include <linux/spinlock.h> -#include <linux/init.h> -#include <linux/bitops.h> -#include <linux/io.h> -#include <linux/netdevice.h> -#include <linux/crc32.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/kthread.h> -#include <linux/module.h> - -#include <linux/firmware.h> -#include <linux/types.h> -#include <linux/dma-mapping.h> -#include <linux/mii.h> -#include <linux/if_vlan.h> -#include <asm/unaligned.h> - -#include <linux/ethtool.h> -#include <linux/uaccess.h> -#include "slichw.h" -#include "slic.h" - -static uint slic_first_init = 1; -static char *slic_banner = "Alacritech SLIC Technology(tm) Server and Storage Accelerator (Non-Accelerated)"; - -static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00"; - -static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; -#define DEFAULT_INTAGG_DELAY 100 -static unsigned int rcv_count; - -#define DRV_NAME "slicoss" -#define DRV_VERSION "2.0.1" -#define DRV_AUTHOR "Alacritech, Inc. Engineering" -#define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\ - "Non-Accelerated Driver" -#define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\ - "All rights reserved." -#define PFX DRV_NAME " " - -MODULE_AUTHOR(DRV_AUTHOR); -MODULE_DESCRIPTION(DRV_DESCRIPTION); -MODULE_LICENSE("Dual BSD/GPL"); - -static const struct pci_device_id slic_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) }, - { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) }, - { 0 } -}; - -static const struct ethtool_ops slic_ethtool_ops; - -MODULE_DEVICE_TABLE(pci, slic_pci_tbl); - -static void slic_mcast_set_bit(struct adapter *adapter, char *address) -{ - unsigned char crcpoly; - - /* Get the CRC polynomial for the mac address */ - /* - * we use bits 1-8 (lsb), bitwise reversed, - * msb (= lsb bit 0 before bitrev) is automatically discarded - */ - crcpoly = ether_crc(ETH_ALEN, address) >> 23; - - /* - * We only have space on the SLIC for 64 entries. Lop - * off the top two bits. (2^6 = 64) - */ - crcpoly &= 0x3F; - - /* OR in the new bit into our 64 bit mask. */ - adapter->mcastmask |= (u64)1 << crcpoly; -} - -static void slic_mcast_set_mask(struct adapter *adapter) -{ - if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) { - /* - * Turn on all multicast addresses. We have to do this for - * promiscuous mode as well as ALLMCAST mode. It saves the - * Microcode from having to keep state about the MAC - * configuration. - */ - slic_write32(adapter, SLIC_REG_MCASTLOW, 0xFFFFFFFF); - slic_write32(adapter, SLIC_REG_MCASTHIGH, 0xFFFFFFFF); - } else { - /* - * Commit our multicast mast to the SLIC by writing to the - * multicast address mask registers - */ - slic_write32(adapter, SLIC_REG_MCASTLOW, - (u32)(adapter->mcastmask & 0xFFFFFFFF)); - slic_write32(adapter, SLIC_REG_MCASTHIGH, - (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF)); - } -} - -static void slic_timer_ping(ulong dev) -{ - struct adapter *adapter; - struct sliccard *card; - - adapter = netdev_priv((struct net_device *)dev); - card = adapter->card; - - adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ); - add_timer(&adapter->pingtimer); -} - -/* - * slic_link_config - * - * Write phy control to configure link duplex/speed - * - */ -static void slic_link_config(struct adapter *adapter, - u32 linkspeed, u32 linkduplex) -{ - u32 speed; - u32 duplex; - u32 phy_config; - u32 phy_advreg; - u32 phy_gctlreg; - - if (adapter->state != ADAPT_UP) - return; - - if (linkspeed > LINK_1000MB) - linkspeed = LINK_AUTOSPEED; - if (linkduplex > LINK_AUTOD) - linkduplex = LINK_AUTOD; - - if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) { - if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) { - /* - * We've got a fiber gigabit interface, and register - * 4 is different in fiber mode than in copper mode - */ - - /* advertise FD only @1000 Mb */ - phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD)); - /* enable PAUSE frames */ - phy_advreg |= PAR_ASYMPAUSE_FIBER; - slic_write32(adapter, SLIC_REG_WPHY, phy_advreg); - - if (linkspeed == LINK_AUTOSPEED) { - /* reset phy, enable auto-neg */ - phy_config = - (MIICR_REG_PCR | - (PCR_RESET | PCR_AUTONEG | - PCR_AUTONEG_RST)); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - } else { /* forced 1000 Mb FD*/ - /* - * power down phy to break link - * this may not work) - */ - phy_config = (MIICR_REG_PCR | PCR_POWERDOWN); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - slic_flush_write(adapter); - /* - * wait, Marvell says 1 sec, - * try to get away with 10 ms - */ - mdelay(10); - - /* - * disable auto-neg, set speed/duplex, - * soft reset phy, powerup - */ - phy_config = - (MIICR_REG_PCR | - (PCR_RESET | PCR_SPEED_1000 | - PCR_DUPLEX_FULL)); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - } - } else { /* copper gigabit */ - - /* - * Auto-Negotiate or 1000 Mb must be auto negotiated - * We've got a copper gigabit interface, and - * register 4 is different in copper mode than - * in fiber mode - */ - if (linkspeed == LINK_AUTOSPEED) { - /* advertise 10/100 Mb modes */ - phy_advreg = - (MIICR_REG_4 | - (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD - | PAR_ADV10HD)); - } else { - /* - * linkspeed == LINK_1000MB - - * don't advertise 10/100 Mb modes - */ - phy_advreg = MIICR_REG_4; - } - /* enable PAUSE frames */ - phy_advreg |= PAR_ASYMPAUSE; - /* required by the Cicada PHY */ - phy_advreg |= PAR_802_3; - slic_write32(adapter, SLIC_REG_WPHY, phy_advreg); - /* advertise FD only @1000 Mb */ - phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD)); - slic_write32(adapter, SLIC_REG_WPHY, phy_gctlreg); - - if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { - /* - * if a Marvell PHY - * enable auto crossover - */ - phy_config = - (MIICR_REG_16 | (MRV_REG16_XOVERON)); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - - /* reset phy, enable auto-neg */ - phy_config = - (MIICR_REG_PCR | - (PCR_RESET | PCR_AUTONEG | - PCR_AUTONEG_RST)); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - } else { /* it's a Cicada PHY */ - /* enable and restart auto-neg (don't reset) */ - phy_config = - (MIICR_REG_PCR | - (PCR_AUTONEG | PCR_AUTONEG_RST)); - slic_write32(adapter, SLIC_REG_WPHY, - phy_config); - } - } - } else { - /* Forced 10/100 */ - if (linkspeed == LINK_10MB) - speed = 0; - else - speed = PCR_SPEED_100; - if (linkduplex == LINK_HALFD) - duplex = 0; - else - duplex = PCR_DUPLEX_FULL; - - if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { - /* - * if a Marvell PHY - * disable auto crossover - */ - phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF)); - slic_write32(adapter, SLIC_REG_WPHY, phy_config); - } - - /* power down phy to break link (this may not work) */ - phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex)); - slic_write32(adapter, SLIC_REG_WPHY, phy_config); - slic_flush_write(adapter); - /* wait, Marvell says 1 sec, try to get away with 10 ms */ - mdelay(10); - - if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { - /* - * if a Marvell PHY - * disable auto-neg, set speed, - * soft reset phy, powerup - */ - phy_config = - (MIICR_REG_PCR | (PCR_RESET | speed | duplex)); - slic_write32(adapter, SLIC_REG_WPHY, phy_config); - } else { /* it's a Cicada PHY */ - /* disable auto-neg, set speed, powerup */ - phy_config = (MIICR_REG_PCR | (speed | duplex)); - slic_write32(adapter, SLIC_REG_WPHY, phy_config); - } - } -} - -static int slic_card_download_gbrcv(struct adapter *adapter) -{ - const struct firmware *fw; - const char *file = ""; - int ret; - u32 codeaddr; - u32 instruction; - int index = 0; - u32 rcvucodelen = 0; - - switch (adapter->devid) { - case SLIC_2GB_DEVICE_ID: - file = "slicoss/oasisrcvucode.sys"; - break; - case SLIC_1GB_DEVICE_ID: - file = "slicoss/gbrcvucode.sys"; - break; - default: - return -ENOENT; - } - - ret = request_firmware(&fw, file, &adapter->pcidev->dev); - if (ret) { - dev_err(&adapter->pcidev->dev, - "Failed to load firmware %s\n", file); - return ret; - } - - rcvucodelen = *(u32 *)(fw->data + index); - index += 4; - switch (adapter->devid) { - case SLIC_2GB_DEVICE_ID: - if (rcvucodelen != OasisRcvUCodeLen) { - release_firmware(fw); - return -EINVAL; - } - break; - case SLIC_1GB_DEVICE_ID: - if (rcvucodelen != GBRcvUCodeLen) { - release_firmware(fw); - return -EINVAL; - } - break; - } - /* start download */ - slic_write32(adapter, SLIC_REG_RCV_WCS, SLIC_RCVWCS_BEGIN); - /* download the rcv sequencer ucode */ - for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) { - /* write out instruction address */ - slic_write32(adapter, SLIC_REG_RCV_WCS, codeaddr); - - instruction = *(u32 *)(fw->data + index); - index += 4; - /* write out the instruction data low addr */ - slic_write32(adapter, SLIC_REG_RCV_WCS, instruction); - - instruction = *(u8 *)(fw->data + index); - index++; - /* write out the instruction data high addr */ - slic_write32(adapter, SLIC_REG_RCV_WCS, instruction); - } - - /* download finished */ - release_firmware(fw); - slic_write32(adapter, SLIC_REG_RCV_WCS, SLIC_RCVWCS_FINISH); - slic_flush_write(adapter); - - return 0; -} - -MODULE_FIRMWARE("slicoss/oasisrcvucode.sys"); -MODULE_FIRMWARE("slicoss/gbrcvucode.sys"); - -static int slic_card_download(struct adapter *adapter) -{ - const struct firmware *fw; - const char *file = ""; - int ret; - u32 section; - int thissectionsize; - int codeaddr; - u32 instruction; - u32 baseaddress; - u32 i; - u32 numsects = 0; - u32 sectsize[3]; - u32 sectstart[3]; - int ucode_start, index = 0; - - switch (adapter->devid) { - case SLIC_2GB_DEVICE_ID: - file = "slicoss/oasisdownload.sys"; - break; - case SLIC_1GB_DEVICE_ID: - file = "slicoss/gbdownload.sys"; - break; - default: - return -ENOENT; - } - ret = request_firmware(&fw, file, &adapter->pcidev->dev); - if (ret) { - dev_err(&adapter->pcidev->dev, - "Failed to load firmware %s\n", file); - return ret; - } - numsects = *(u32 *)(fw->data + index); - index += 4; - for (i = 0; i < numsects; i++) { - sectsize[i] = *(u32 *)(fw->data + index); - index += 4; - } - for (i = 0; i < numsects; i++) { - sectstart[i] = *(u32 *)(fw->data + index); - index += 4; - } - ucode_start = index; - instruction = *(u32 *)(fw->data + index); - index += 4; - for (section = 0; section < numsects; section++) { - baseaddress = sectstart[section]; - thissectionsize = sectsize[section] >> 3; - - for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { - /* Write out instruction address */ - slic_write32(adapter, SLIC_REG_WCS, - baseaddress + codeaddr); - /* Write out instruction to low addr */ - slic_write32(adapter, SLIC_REG_WCS, - instruction); - instruction = *(u32 *)(fw->data + index); - index += 4; - - /* Write out instruction to high addr */ - slic_write32(adapter, SLIC_REG_WCS, - instruction); - instruction = *(u32 *)(fw->data + index); - index += 4; - } - } - index = ucode_start; - for (section = 0; section < numsects; section++) { - instruction = *(u32 *)(fw->data + index); - baseaddress = sectstart[section]; - if (baseaddress < 0x8000) - continue; - thissectionsize = sectsize[section] >> 3; - - for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { - /* Write out instruction address */ - slic_write32(adapter, SLIC_REG_WCS, - SLIC_WCS_COMPARE | (baseaddress + - codeaddr)); - /* Write out instruction to low addr */ - slic_write32(adapter, SLIC_REG_WCS, instruction); - instruction = *(u32 *)(fw->data + index); - index += 4; - /* Write out instruction to high addr */ - slic_write32(adapter, SLIC_REG_WCS, instruction); - instruction = *(u32 *)(fw->data + index); - index += 4; - } - } - release_firmware(fw); - /* Everything OK, kick off the card */ - mdelay(10); - - slic_write32(adapter, SLIC_REG_WCS, SLIC_WCS_START); - slic_flush_write(adapter); - /* - * stall for 20 ms, long enough for ucode to init card - * and reach mainloop - */ - mdelay(20); - - return 0; -} - -MODULE_FIRMWARE("slicoss/oasisdownload.sys"); -MODULE_FIRMWARE("slicoss/gbdownload.sys"); - -static void slic_adapter_set_hwaddr(struct adapter *adapter) -{ - struct sliccard *card = adapter->card; - - if ((adapter->card) && (card->config_set)) { - memcpy(adapter->macaddr, - card->config.MacInfo[adapter->functionnumber].macaddrA, - sizeof(struct slic_config_mac)); - if (is_zero_ether_addr(adapter->currmacaddr)) - memcpy(adapter->currmacaddr, adapter->macaddr, - ETH_ALEN); - if (adapter->netdev) - memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, - ETH_ALEN); - } -} - -static void slic_intagg_set(struct adapter *adapter, u32 value) -{ - slic_write32(adapter, SLIC_REG_INTAGG, value); - adapter->card->loadlevel_current = value; -} - -static void slic_soft_reset(struct adapter *adapter) -{ - if (adapter->card->state == CARD_UP) { - slic_write32(adapter, SLIC_REG_QUIESCE, 0); - slic_flush_write(adapter); - mdelay(1); - } - - slic_write32(adapter, SLIC_REG_RESET, SLIC_RESET_MAGIC); - slic_flush_write(adapter); - - mdelay(1); -} - -static void slic_mac_address_config(struct adapter *adapter) -{ - u32 value; - u32 value2; - - value = ntohl(*(__be32 *)&adapter->currmacaddr[2]); - slic_write32(adapter, SLIC_REG_WRADDRAL, value); - slic_write32(adapter, SLIC_REG_WRADDRBL, value); - - value2 = (u32)((adapter->currmacaddr[0] << 8 | - adapter->currmacaddr[1]) & 0xFFFF); - - slic_write32(adapter, SLIC_REG_WRADDRAH, value2); - slic_write32(adapter, SLIC_REG_WRADDRBH, value2); - - /* - * Write our multicast mask out to the card. This is done - * here in addition to the slic_mcast_addr_set routine - * because ALL_MCAST may have been enabled or disabled - */ - slic_mcast_set_mask(adapter); -} - -static void slic_mac_config(struct adapter *adapter) -{ - u32 value; - - /* Setup GMAC gaps */ - if (adapter->linkspeed == LINK_1000MB) { - value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) | - (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) | - (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT)); - } else { - value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) | - (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) | - (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT)); - } - - /* enable GMII */ - if (adapter->linkspeed == LINK_1000MB) - value |= GMCR_GBIT; - - /* enable fullduplex */ - if ((adapter->linkduplex == LINK_FULLD) - || (adapter->macopts & MAC_LOOPBACK)) { - value |= GMCR_FULLD; - } - - /* write mac config */ - slic_write32(adapter, SLIC_REG_WMCFG, value); - - /* setup mac addresses */ - slic_mac_address_config(adapter); -} - -static void slic_config_set(struct adapter *adapter, bool linkchange) -{ - u32 value; - u32 RcrReset; - - if (linkchange) { - /* Setup MAC */ - slic_mac_config(adapter); - RcrReset = GRCR_RESET; - } else { - slic_mac_address_config(adapter); - RcrReset = 0; - } - - if (adapter->linkduplex == LINK_FULLD) { - /* setup xmtcfg */ - value = (GXCR_RESET | /* Always reset */ - GXCR_XMTEN | /* Enable transmit */ - GXCR_PAUSEEN); /* Enable pause */ - - slic_write32(adapter, SLIC_REG_WXCFG, value); - - /* Setup rcvcfg last */ - value = (RcrReset | /* Reset, if linkchange */ - GRCR_CTLEN | /* Enable CTL frames */ - GRCR_ADDRAEN | /* Address A enable */ - GRCR_RCVBAD | /* Rcv bad frames */ - (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); - } else { - /* setup xmtcfg */ - value = (GXCR_RESET | /* Always reset */ - GXCR_XMTEN); /* Enable transmit */ - - slic_write32(adapter, SLIC_REG_WXCFG, value); - - /* Setup rcvcfg last */ - value = (RcrReset | /* Reset, if linkchange */ - GRCR_ADDRAEN | /* Address A enable */ - GRCR_RCVBAD | /* Rcv bad frames */ - (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); - } - - if (adapter->state != ADAPT_DOWN) { - /* Only enable receive if we are restarting or running */ - value |= GRCR_RCVEN; - } - - if (adapter->macopts & MAC_PROMISC) - value |= GRCR_RCVALL; - - slic_write32(adapter, SLIC_REG_WRCFG, value); -} - -/* - * Turn off RCV and XMT, power down PHY - */ -static void slic_config_clear(struct adapter *adapter) -{ - u32 value; - u32 phy_config; - - /* Setup xmtcfg */ - value = (GXCR_RESET | /* Always reset */ - GXCR_PAUSEEN); /* Enable pause */ - - slic_write32(adapter, SLIC_REG_WXCFG, value); - - value = (GRCR_RESET | /* Always reset */ - GRCR_CTLEN | /* Enable CTL frames */ - GRCR_ADDRAEN | /* Address A enable */ - (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); - - slic_write32(adapter, SLIC_REG_WRCFG, value); - - /* power down phy */ - phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN)); - slic_write32(adapter, SLIC_REG_WPHY, phy_config); -} - -static bool slic_mac_filter(struct adapter *adapter, - struct ether_header *ether_frame) -{ - struct net_device *netdev = adapter->netdev; - u32 opts = adapter->macopts; - - if (opts & MAC_PROMISC) - return true; - - if (is_broadcast_ether_addr(ether_frame->ether_dhost)) { - if (opts & MAC_BCAST) { - adapter->rcv_broadcasts++; - return true; - } - - return false; - } - - if (is_multicast_ether_addr(ether_frame->ether_dhost)) { - if (opts & MAC_ALLMCAST) { - adapter->rcv_multicasts++; - netdev->stats.multicast++; - return true; - } - if (opts & MAC_MCAST) { - struct mcast_address *mcaddr = adapter->mcastaddrs; - - while (mcaddr) { - if (ether_addr_equal(mcaddr->address, - ether_frame->ether_dhost)) { - adapter->rcv_multicasts++; - netdev->stats.multicast++; - return true; - } - mcaddr = mcaddr->next; - } - - return false; - } - - return false; - } - if (opts & MAC_DIRECTED) { - adapter->rcv_unicasts++; - return true; - } - return false; -} - -static int slic_mac_set_address(struct net_device *dev, void *ptr) -{ - struct adapter *adapter = netdev_priv(dev); - struct sockaddr *addr = ptr; - - if (netif_running(dev)) - return -EBUSY; - if (!adapter) - return -EBUSY; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EINVAL; - - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); - memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len); - - slic_config_set(adapter, true); - return 0; -} - -static void slic_timer_load_check(ulong cardaddr) -{ - struct sliccard *card = (struct sliccard *)cardaddr; - struct adapter *adapter = card->master; - u32 load = card->events; - u32 level = 0; - - if ((adapter) && (adapter->state == ADAPT_UP) && - (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { - if (adapter->devid == SLIC_1GB_DEVICE_ID) { - if (adapter->linkspeed == LINK_1000MB) - level = 100; - else { - if (load > SLIC_LOAD_5) - level = SLIC_INTAGG_5; - else if (load > SLIC_LOAD_4) - level = SLIC_INTAGG_4; - else if (load > SLIC_LOAD_3) - level = SLIC_INTAGG_3; - else if (load > SLIC_LOAD_2) - level = SLIC_INTAGG_2; - else if (load > SLIC_LOAD_1) - level = SLIC_INTAGG_1; - else - level = SLIC_INTAGG_0; - } - if (card->loadlevel_current != level) { - card->loadlevel_current = level; - slic_write32(adapter, SLIC_REG_INTAGG, level); - } - } else { - if (load > SLIC_LOAD_5) - level = SLIC_INTAGG_5; - else if (load > SLIC_LOAD_4) - level = SLIC_INTAGG_4; - else if (load > SLIC_LOAD_3) - level = SLIC_INTAGG_3; - else if (load > SLIC_LOAD_2) - level = SLIC_INTAGG_2; - else if (load > SLIC_LOAD_1) - level = SLIC_INTAGG_1; - else - level = SLIC_INTAGG_0; - if (card->loadlevel_current != level) { - card->loadlevel_current = level; - slic_write32(adapter, SLIC_REG_INTAGG, level); - } - } - } - card->events = 0; - card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ); - add_timer(&card->loadtimer); -} - -static int slic_upr_queue_request(struct adapter *adapter, - u32 upr_request, - u32 upr_data, - u32 upr_data_h, - u32 upr_buffer, u32 upr_buffer_h) -{ - struct slic_upr *upr; - struct slic_upr *uprqueue; - - upr = kmalloc(sizeof(*upr), GFP_ATOMIC); - if (!upr) - return -ENOMEM; - - upr->adapter = adapter->port; - upr->upr_request = upr_request; - upr->upr_data = upr_data; - upr->upr_buffer = upr_buffer; - upr->upr_data_h = upr_data_h; - upr->upr_buffer_h = upr_buffer_h; - upr->next = NULL; - if (adapter->upr_list) { - uprqueue = adapter->upr_list; - - while (uprqueue->next) - uprqueue = uprqueue->next; - uprqueue->next = upr; - } else { - adapter->upr_list = upr; - } - return 0; -} - -static void slic_upr_start(struct adapter *adapter) -{ - struct slic_upr *upr; - - upr = adapter->upr_list; - if (!upr) - return; - if (adapter->upr_busy) - return; - adapter->upr_busy = 1; - - switch (upr->upr_request) { - case SLIC_UPR_STATS: - if (upr->upr_data_h == 0) { - slic_write32(adapter, SLIC_REG_RSTAT, upr->upr_data); - } else { - slic_write64(adapter, SLIC_REG_RSTAT64, upr->upr_data, - upr->upr_data_h); - } - break; - - case SLIC_UPR_RLSR: - slic_write64(adapter, SLIC_REG_LSTAT, upr->upr_data, - upr->upr_data_h); - break; - - case SLIC_UPR_RCONFIG: - slic_write64(adapter, SLIC_REG_RCONFIG, upr->upr_data, - upr->upr_data_h); - break; - case SLIC_UPR_PING: - slic_write32(adapter, SLIC_REG_PING, 1); - break; - } - slic_flush_write(adapter); -} - -static int slic_upr_request(struct adapter *adapter, - u32 upr_request, - u32 upr_data, - u32 upr_data_h, - u32 upr_buffer, u32 upr_buffer_h) -{ - unsigned long flags; - int rc; - - spin_lock_irqsave(&adapter->upr_lock, flags); - rc = slic_upr_queue_request(adapter, - upr_request, - upr_data, - upr_data_h, upr_buffer, upr_buffer_h); - if (rc) - goto err_unlock_irq; - - slic_upr_start(adapter); -err_unlock_irq: - spin_unlock_irqrestore(&adapter->upr_lock, flags); - return rc; -} - -static void slic_link_upr_complete(struct adapter *adapter, u32 isr) -{ - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - u32 lst = sm_data->lnkstatus; - uint linkup; - unsigned char linkspeed; - unsigned char linkduplex; - - if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { - dma_addr_t phaddr = sm->lnkstatus_phaddr; - - slic_upr_queue_request(adapter, SLIC_UPR_RLSR, - cpu_to_le32(lower_32_bits(phaddr)), - cpu_to_le32(upper_32_bits(phaddr)), - 0, 0); - return; - } - if (adapter->state != ADAPT_UP) - return; - - linkup = lst & GIG_LINKUP ? LINK_UP : LINK_DOWN; - if (lst & GIG_SPEED_1000) - linkspeed = LINK_1000MB; - else if (lst & GIG_SPEED_100) - linkspeed = LINK_100MB; - else - linkspeed = LINK_10MB; - - if (lst & GIG_FULLDUPLEX) - linkduplex = LINK_FULLD; - else - linkduplex = LINK_HALFD; - - if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN)) - return; - - /* link up event, but nothing has changed */ - if ((adapter->linkstate == LINK_UP) && - (linkup == LINK_UP) && - (adapter->linkspeed == linkspeed) && - (adapter->linkduplex == linkduplex)) - return; - - /* link has changed at this point */ - - /* link has gone from up to down */ - if (linkup == LINK_DOWN) { - adapter->linkstate = LINK_DOWN; - netif_carrier_off(adapter->netdev); - return; - } - - /* link has gone from down to up */ - adapter->linkspeed = linkspeed; - adapter->linkduplex = linkduplex; - - if (adapter->linkstate != LINK_UP) { - /* setup the mac */ - slic_config_set(adapter, true); - adapter->linkstate = LINK_UP; - netif_carrier_on(adapter->netdev); - } -} - -static void slic_upr_request_complete(struct adapter *adapter, u32 isr) -{ - struct sliccard *card = adapter->card; - struct slic_upr *upr; - unsigned long flags; - - spin_lock_irqsave(&adapter->upr_lock, flags); - upr = adapter->upr_list; - if (!upr) { - spin_unlock_irqrestore(&adapter->upr_lock, flags); - return; - } - adapter->upr_list = upr->next; - upr->next = NULL; - adapter->upr_busy = 0; - switch (upr->upr_request) { - case SLIC_UPR_STATS: { - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - struct slic_stats *stats = &sm_data->stats; - struct slic_stats *old = &adapter->inicstats_prev; - struct slicnet_stats *stst = &adapter->slic_stats; - - if (isr & ISR_UPCERR) { - dev_err(&adapter->netdev->dev, - "SLIC_UPR_STATS command failed isr[%x]\n", isr); - break; - } - - UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, stats->xmit_tcp_segs, - old->xmit_tcp_segs); - - UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, stats->xmit_tcp_bytes, - old->xmit_tcp_bytes); - - UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, stats->rcv_tcp_segs, - old->rcv_tcp_segs); - - UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, stats->rcv_tcp_bytes, - old->rcv_tcp_bytes); - - UPDATE_STATS_GB(stst->iface.xmt_bytes, stats->xmit_bytes, - old->xmit_bytes); - - UPDATE_STATS_GB(stst->iface.xmt_ucast, stats->xmit_unicasts, - old->xmit_unicasts); - - UPDATE_STATS_GB(stst->iface.rcv_bytes, stats->rcv_bytes, - old->rcv_bytes); - - UPDATE_STATS_GB(stst->iface.rcv_ucast, stats->rcv_unicasts, - old->rcv_unicasts); - - UPDATE_STATS_GB(stst->iface.xmt_errors, stats->xmit_collisions, - old->xmit_collisions); - - UPDATE_STATS_GB(stst->iface.xmt_errors, - stats->xmit_excess_collisions, - old->xmit_excess_collisions); - - UPDATE_STATS_GB(stst->iface.xmt_errors, stats->xmit_other_error, - old->xmit_other_error); - - UPDATE_STATS_GB(stst->iface.rcv_errors, stats->rcv_other_error, - old->rcv_other_error); - - UPDATE_STATS_GB(stst->iface.rcv_discards, stats->rcv_drops, - old->rcv_drops); - - if (stats->rcv_drops > old->rcv_drops) - adapter->rcv_drops += (stats->rcv_drops - - old->rcv_drops); - memcpy_fromio(old, stats, sizeof(*stats)); - break; - } - case SLIC_UPR_RLSR: - slic_link_upr_complete(adapter, isr); - break; - case SLIC_UPR_RCONFIG: - break; - case SLIC_UPR_PING: - card->pingstatus |= (isr & ISR_PINGDSMASK); - break; - } - kfree(upr); - slic_upr_start(adapter); - spin_unlock_irqrestore(&adapter->upr_lock, flags); -} - -static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h) -{ - return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h, - 0, 0); -} - -/* - * Compute a checksum of the EEPROM according to RFC 1071. - */ -static u16 slic_eeprom_cksum(void *eeprom, unsigned int len) -{ - u16 *wp = eeprom; - u32 checksum = 0; - - while (len > 1) { - checksum += *(wp++); - len -= 2; - } - - if (len > 0) - checksum += *(u8 *)wp; - - while (checksum >> 16) - checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF); - - return ~checksum; -} - -static void slic_rspqueue_free(struct adapter *adapter) -{ - int i; - struct slic_rspqueue *rspq = &adapter->rspqueue; - - for (i = 0; i < rspq->num_pages; i++) { - if (rspq->vaddr[i]) { - pci_free_consistent(adapter->pcidev, PAGE_SIZE, - rspq->vaddr[i], rspq->paddr[i]); - } - rspq->vaddr[i] = NULL; - rspq->paddr[i] = 0; - } - rspq->offset = 0; - rspq->pageindex = 0; - rspq->rspbuf = NULL; -} - -static int slic_rspqueue_init(struct adapter *adapter) -{ - int i; - struct slic_rspqueue *rspq = &adapter->rspqueue; - u32 paddrh = 0; - - memset(rspq, 0, sizeof(struct slic_rspqueue)); - - rspq->num_pages = SLIC_RSPQ_PAGES_GB; - - for (i = 0; i < rspq->num_pages; i++) { - rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev, - PAGE_SIZE, - &rspq->paddr[i]); - if (!rspq->vaddr[i]) { - dev_err(&adapter->pcidev->dev, - "pci_alloc_consistent failed\n"); - slic_rspqueue_free(adapter); - return -ENOMEM; - } - - if (paddrh == 0) { - slic_write32(adapter, SLIC_REG_RBAR, - rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE); - } else { - slic_write64(adapter, SLIC_REG_RBAR64, - rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE, - paddrh); - } - } - rspq->offset = 0; - rspq->pageindex = 0; - rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0]; - return 0; -} - -static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter) -{ - struct slic_rspqueue *rspq = &adapter->rspqueue; - struct slic_rspbuf *buf; - - if (!(rspq->rspbuf->status)) - return NULL; - - buf = rspq->rspbuf; - if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { - rspq->rspbuf++; - } else { - slic_write64(adapter, SLIC_REG_RBAR64, - rspq->paddr[rspq->pageindex] | - SLIC_RSPQ_BUFSINPAGE, 0); - rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages; - rspq->offset = 0; - rspq->rspbuf = (struct slic_rspbuf *) - rspq->vaddr[rspq->pageindex]; - } - - return buf; -} - -static void slic_cmdqmem_free(struct adapter *adapter) -{ - struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; - int i; - - for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) { - if (cmdqmem->pages[i]) { - pci_free_consistent(adapter->pcidev, - PAGE_SIZE, - (void *)cmdqmem->pages[i], - cmdqmem->dma_pages[i]); - } - } - memset(cmdqmem, 0, sizeof(struct slic_cmdqmem)); -} - -static u32 *slic_cmdqmem_addpage(struct adapter *adapter) -{ - struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; - u32 *pageaddr; - - if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES) - return NULL; - pageaddr = pci_alloc_consistent(adapter->pcidev, - PAGE_SIZE, - &cmdqmem->dma_pages[cmdqmem->pagecnt]); - if (!pageaddr) - return NULL; - - cmdqmem->pages[cmdqmem->pagecnt] = pageaddr; - cmdqmem->pagecnt++; - return pageaddr; -} - -static void slic_cmdq_free(struct adapter *adapter) -{ - struct slic_hostcmd *cmd; - - cmd = adapter->cmdq_all.head; - while (cmd) { - if (cmd->busy) { - struct sk_buff *tempskb; - - tempskb = cmd->skb; - if (tempskb) { - cmd->skb = NULL; - dev_kfree_skb_irq(tempskb); - } - } - cmd = cmd->next_all; - } - memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); - memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); - memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); - slic_cmdqmem_free(adapter); -} - -static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page) -{ - struct slic_hostcmd *cmd; - struct slic_hostcmd *prev; - struct slic_hostcmd *tail; - struct slic_cmdqueue *cmdq; - int cmdcnt; - void *cmdaddr; - ulong phys_addr; - u32 phys_addrl; - u32 phys_addrh; - struct slic_handle *pslic_handle; - unsigned long flags; - - cmdaddr = page; - cmd = cmdaddr; - cmdcnt = 0; - - phys_addr = virt_to_bus((void *)page); - phys_addrl = SLIC_GET_ADDR_LOW(phys_addr); - phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr); - - prev = NULL; - tail = cmd; - while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) && - (adapter->slic_handle_ix < 256)) { - /* Allocate and initialize a SLIC_HANDLE for this command */ - spin_lock_irqsave(&adapter->handle_lock, flags); - pslic_handle = adapter->pfree_slic_handles; - adapter->pfree_slic_handles = pslic_handle->next; - spin_unlock_irqrestore(&adapter->handle_lock, flags); - pslic_handle->type = SLIC_HANDLE_CMD; - pslic_handle->address = (void *)cmd; - pslic_handle->offset = (ushort)adapter->slic_handle_ix++; - pslic_handle->other_handle = NULL; - pslic_handle->next = NULL; - - cmd->pslic_handle = pslic_handle; - cmd->cmd64.hosthandle = pslic_handle->token.handle_token; - cmd->busy = false; - cmd->paddrl = phys_addrl; - cmd->paddrh = phys_addrh; - cmd->next_all = prev; - cmd->next = prev; - prev = cmd; - phys_addrl += SLIC_HOSTCMD_SIZE; - cmdaddr += SLIC_HOSTCMD_SIZE; - - cmd = cmdaddr; - cmdcnt++; - } - - cmdq = &adapter->cmdq_all; - cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ - tail->next_all = cmdq->head; - cmdq->head = prev; - cmdq = &adapter->cmdq_free; - spin_lock_irqsave(&cmdq->lock, flags); - cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ - tail->next = cmdq->head; - cmdq->head = prev; - spin_unlock_irqrestore(&cmdq->lock, flags); -} - -static int slic_cmdq_init(struct adapter *adapter) -{ - int i; - u32 *pageaddr; - - memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); - memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); - memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); - spin_lock_init(&adapter->cmdq_all.lock); - spin_lock_init(&adapter->cmdq_free.lock); - spin_lock_init(&adapter->cmdq_done.lock); - memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem)); - adapter->slic_handle_ix = 1; - for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) { - pageaddr = slic_cmdqmem_addpage(adapter); - if (!pageaddr) { - slic_cmdq_free(adapter); - return -ENOMEM; - } - slic_cmdq_addcmdpage(adapter, pageaddr); - } - adapter->slic_handle_ix = 1; - - return 0; -} - -static void slic_cmdq_reset(struct adapter *adapter) -{ - struct slic_hostcmd *hcmd; - struct sk_buff *skb; - u32 outstanding; - unsigned long flags; - - spin_lock_irqsave(&adapter->cmdq_free.lock, flags); - spin_lock(&adapter->cmdq_done.lock); - outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; - outstanding -= adapter->cmdq_free.count; - hcmd = adapter->cmdq_all.head; - while (hcmd) { - if (hcmd->busy) { - skb = hcmd->skb; - hcmd->busy = 0; - hcmd->skb = NULL; - dev_kfree_skb_irq(skb); - } - hcmd = hcmd->next_all; - } - adapter->cmdq_free.count = 0; - adapter->cmdq_free.head = NULL; - adapter->cmdq_free.tail = NULL; - adapter->cmdq_done.count = 0; - adapter->cmdq_done.head = NULL; - adapter->cmdq_done.tail = NULL; - adapter->cmdq_free.head = adapter->cmdq_all.head; - hcmd = adapter->cmdq_all.head; - while (hcmd) { - adapter->cmdq_free.count++; - hcmd->next = hcmd->next_all; - hcmd = hcmd->next_all; - } - if (adapter->cmdq_free.count != adapter->cmdq_all.count) { - dev_err(&adapter->netdev->dev, - "free_count %d != all count %d\n", - adapter->cmdq_free.count, adapter->cmdq_all.count); - } - spin_unlock(&adapter->cmdq_done.lock); - spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags); -} - -static void slic_cmdq_getdone(struct adapter *adapter) -{ - struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done; - struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free; - unsigned long flags; - - spin_lock_irqsave(&done_cmdq->lock, flags); - - free_cmdq->head = done_cmdq->head; - free_cmdq->count = done_cmdq->count; - done_cmdq->head = NULL; - done_cmdq->tail = NULL; - done_cmdq->count = 0; - spin_unlock_irqrestore(&done_cmdq->lock, flags); -} - -static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter) -{ - struct slic_cmdqueue *cmdq = &adapter->cmdq_free; - struct slic_hostcmd *cmd = NULL; - unsigned long flags; - -lock_and_retry: - spin_lock_irqsave(&cmdq->lock, flags); -retry: - cmd = cmdq->head; - if (cmd) { - cmdq->head = cmd->next; - cmdq->count--; - spin_unlock_irqrestore(&cmdq->lock, flags); - } else { - slic_cmdq_getdone(adapter); - cmd = cmdq->head; - if (cmd) { - goto retry; - } else { - u32 *pageaddr; - - spin_unlock_irqrestore(&cmdq->lock, flags); - pageaddr = slic_cmdqmem_addpage(adapter); - if (pageaddr) { - slic_cmdq_addcmdpage(adapter, pageaddr); - goto lock_and_retry; - } - } - } - return cmd; -} - -static void slic_cmdq_putdone_irq(struct adapter *adapter, - struct slic_hostcmd *cmd) -{ - struct slic_cmdqueue *cmdq = &adapter->cmdq_done; - - spin_lock(&cmdq->lock); - cmd->busy = 0; - cmd->next = cmdq->head; - cmdq->head = cmd; - cmdq->count++; - if ((adapter->xmitq_full) && (cmdq->count > 10)) - netif_wake_queue(adapter->netdev); - spin_unlock(&cmdq->lock); -} - -static int slic_rcvqueue_fill(struct adapter *adapter) -{ - void *paddr; - u32 paddrl; - u32 paddrh; - struct slic_rcvqueue *rcvq = &adapter->rcvqueue; - int i = 0; - struct device *dev = &adapter->netdev->dev; - - while (i < SLIC_RCVQ_FILLENTRIES) { - struct slic_rcvbuf *rcvbuf; - struct sk_buff *skb; -#ifdef KLUDGE_FOR_4GB_BOUNDARY -retry_rcvqfill: -#endif - skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC); - if (skb) { - paddr = (void *)(unsigned long) - pci_map_single(adapter->pcidev, - skb->data, - SLIC_RCVQ_RCVBUFSIZE, - PCI_DMA_FROMDEVICE); - paddrl = SLIC_GET_ADDR_LOW(paddr); - paddrh = SLIC_GET_ADDR_HIGH(paddr); - - skb->len = SLIC_RCVBUF_HEADSIZE; - rcvbuf = (struct slic_rcvbuf *)skb->head; - rcvbuf->status = 0; - skb->next = NULL; -#ifdef KLUDGE_FOR_4GB_BOUNDARY - if (paddrl == 0) { - dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", - __func__); - dev_err(dev, "skb[%p] PROBLEM\n", skb); - dev_err(dev, " skbdata[%p]\n", - skb->data); - dev_err(dev, " skblen[%x]\n", skb->len); - dev_err(dev, " paddr[%p]\n", paddr); - dev_err(dev, " paddrl[%x]\n", paddrl); - dev_err(dev, " paddrh[%x]\n", paddrh); - dev_err(dev, " rcvq->head[%p]\n", - rcvq->head); - dev_err(dev, " rcvq->tail[%p]\n", - rcvq->tail); - dev_err(dev, " rcvq->count[%x]\n", - rcvq->count); - dev_err(dev, "SKIP THIS SKB!!!!!!!!\n"); - goto retry_rcvqfill; - } -#else - if (paddrl == 0) { - dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", - __func__); - dev_err(dev, "skb[%p] PROBLEM\n", skb); - dev_err(dev, " skbdata[%p]\n", - skb->data); - dev_err(dev, " skblen[%x]\n", skb->len); - dev_err(dev, " paddr[%p]\n", paddr); - dev_err(dev, " paddrl[%x]\n", paddrl); - dev_err(dev, " paddrh[%x]\n", paddrh); - dev_err(dev, " rcvq->head[%p]\n", - rcvq->head); - dev_err(dev, " rcvq->tail[%p]\n", - rcvq->tail); - dev_err(dev, " rcvq->count[%x]\n", - rcvq->count); - dev_err(dev, "GIVE TO CARD ANYWAY\n"); - } -#endif - if (paddrh == 0) { - slic_write32(adapter, SLIC_REG_HBAR, - (u32)paddrl); - } else { - slic_write64(adapter, SLIC_REG_HBAR64, paddrl, - paddrh); - } - if (rcvq->head) - rcvq->tail->next = skb; - else - rcvq->head = skb; - rcvq->tail = skb; - rcvq->count++; - i++; - } else { - dev_err(&adapter->netdev->dev, - "slic_rcvqueue_fill could only get [%d] skbuffs\n", - i); - break; - } - } - return i; -} - -static void slic_rcvqueue_free(struct adapter *adapter) -{ - struct slic_rcvqueue *rcvq = &adapter->rcvqueue; - struct sk_buff *skb; - - while (rcvq->head) { - skb = rcvq->head; - rcvq->head = rcvq->head->next; - dev_kfree_skb(skb); - } - rcvq->tail = NULL; - rcvq->head = NULL; - rcvq->count = 0; -} - -static int slic_rcvqueue_init(struct adapter *adapter) -{ - int i, count; - struct slic_rcvqueue *rcvq = &adapter->rcvqueue; - - rcvq->tail = NULL; - rcvq->head = NULL; - rcvq->size = SLIC_RCVQ_ENTRIES; - rcvq->errors = 0; - rcvq->count = 0; - i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES; - count = 0; - while (i) { - count += slic_rcvqueue_fill(adapter); - i--; - } - if (rcvq->count < SLIC_RCVQ_MINENTRIES) { - slic_rcvqueue_free(adapter); - return -ENOMEM; - } - return 0; -} - -static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter) -{ - struct slic_rcvqueue *rcvq = &adapter->rcvqueue; - struct sk_buff *skb; - struct slic_rcvbuf *rcvbuf; - int count; - - if (rcvq->count) { - skb = rcvq->head; - rcvbuf = (struct slic_rcvbuf *)skb->head; - - if (rcvbuf->status & IRHDDR_SVALID) { - rcvq->head = rcvq->head->next; - skb->next = NULL; - rcvq->count--; - } else { - skb = NULL; - } - } else { - dev_err(&adapter->netdev->dev, - "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count); - skb = NULL; - } - while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { - count = slic_rcvqueue_fill(adapter); - if (!count) - break; - } - if (skb) - rcvq->errors = 0; - return skb; -} - -static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb) -{ - struct slic_rcvqueue *rcvq = &adapter->rcvqueue; - void *paddr; - u32 paddrl; - u32 paddrh; - struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head; - struct device *dev; - - paddr = (void *)(unsigned long) - pci_map_single(adapter->pcidev, skb->head, - SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE); - rcvbuf->status = 0; - skb->next = NULL; - - paddrl = SLIC_GET_ADDR_LOW(paddr); - paddrh = SLIC_GET_ADDR_HIGH(paddr); - - if (paddrl == 0) { - dev = &adapter->netdev->dev; - dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", - __func__); - dev_err(dev, "skb[%p] PROBLEM\n", skb); - dev_err(dev, " skbdata[%p]\n", skb->data); - dev_err(dev, " skblen[%x]\n", skb->len); - dev_err(dev, " paddr[%p]\n", paddr); - dev_err(dev, " paddrl[%x]\n", paddrl); - dev_err(dev, " paddrh[%x]\n", paddrh); - dev_err(dev, " rcvq->head[%p]\n", rcvq->head); - dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail); - dev_err(dev, " rcvq->count[%x]\n", rcvq->count); - } - if (paddrh == 0) - slic_write32(adapter, SLIC_REG_HBAR, (u32)paddrl); - else - slic_write64(adapter, SLIC_REG_HBAR64, paddrl, paddrh); - if (rcvq->head) - rcvq->tail->next = skb; - else - rcvq->head = skb; - rcvq->tail = skb; - rcvq->count++; - return rcvq->count; -} - -/* - * slic_link_event_handler - - * - * Initiate a link configuration sequence. The link configuration begins - * by issuing a READ_LINK_STATUS command to the Utility Processor on the - * SLIC. Since the command finishes asynchronously, the slic_upr_comlete - * routine will follow it up witha UP configuration write command, which - * will also complete asynchronously. - * - */ -static int slic_link_event_handler(struct adapter *adapter) -{ - int status; - struct slic_shmemory *sm = &adapter->shmem; - dma_addr_t phaddr = sm->lnkstatus_phaddr; - - if (adapter->state != ADAPT_UP) { - /* Adapter is not operational. Ignore. */ - return -ENODEV; - } - /* no 4GB wrap guaranteed */ - status = slic_upr_request(adapter, SLIC_UPR_RLSR, - cpu_to_le32(lower_32_bits(phaddr)), - cpu_to_le32(upper_32_bits(phaddr)), 0, 0); - return status; -} - -static void slic_init_cleanup(struct adapter *adapter) -{ - if (adapter->intrregistered) { - adapter->intrregistered = 0; - free_irq(adapter->netdev->irq, adapter->netdev); - } - - if (adapter->shmem.shmem_data) { - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - - pci_free_consistent(adapter->pcidev, sizeof(*sm_data), sm_data, - sm->isr_phaddr); - } - - if (adapter->pingtimerset) { - adapter->pingtimerset = 0; - del_timer(&adapter->pingtimer); - } - - slic_rspqueue_free(adapter); - slic_cmdq_free(adapter); - slic_rcvqueue_free(adapter); -} - -/* - * Allocate a mcast_address structure to hold the multicast address. - * Link it in. - */ -static int slic_mcast_add_list(struct adapter *adapter, char *address) -{ - struct mcast_address *mcaddr, *mlist; - - /* Check to see if it already exists */ - mlist = adapter->mcastaddrs; - while (mlist) { - if (ether_addr_equal(mlist->address, address)) - return 0; - mlist = mlist->next; - } - - /* Doesn't already exist. Allocate a structure to hold it */ - mcaddr = kmalloc(sizeof(*mcaddr), GFP_ATOMIC); - if (!mcaddr) - return 1; - - ether_addr_copy(mcaddr->address, address); - - mcaddr->next = adapter->mcastaddrs; - adapter->mcastaddrs = mcaddr; - - return 0; -} - -static void slic_mcast_set_list(struct net_device *dev) -{ - struct adapter *adapter = netdev_priv(dev); - int status = 0; - char *addresses; - struct netdev_hw_addr *ha; - - netdev_for_each_mc_addr(ha, dev) { - addresses = (char *)&ha->addr; - status = slic_mcast_add_list(adapter, addresses); - if (status != 0) - break; - slic_mcast_set_bit(adapter, addresses); - } - - if (adapter->devflags_prev != dev->flags) { - adapter->macopts = MAC_DIRECTED; - if (dev->flags) { - if (dev->flags & IFF_BROADCAST) - adapter->macopts |= MAC_BCAST; - if (dev->flags & IFF_PROMISC) - adapter->macopts |= MAC_PROMISC; - if (dev->flags & IFF_ALLMULTI) - adapter->macopts |= MAC_ALLMCAST; - if (dev->flags & IFF_MULTICAST) - adapter->macopts |= MAC_MCAST; - } - adapter->devflags_prev = dev->flags; - slic_config_set(adapter, true); - } else { - if (status == 0) - slic_mcast_set_mask(adapter); - } -} - -#define XMIT_FAIL_LINK_STATE 1 -#define XMIT_FAIL_ZERO_LENGTH 2 -#define XMIT_FAIL_HOSTCMD_FAIL 3 - -static void slic_xmit_build_request(struct adapter *adapter, - struct slic_hostcmd *hcmd, struct sk_buff *skb) -{ - struct slic_host64_cmd *ihcmd; - ulong phys_addr; - - ihcmd = &hcmd->cmd64; - - ihcmd->flags = adapter->port << IHFLG_IFSHFT; - ihcmd->command = IHCMD_XMT_REQ; - ihcmd->u.slic_buffers.totlen = skb->len; - phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(adapter->pcidev, phys_addr)) { - kfree_skb(skb); - dev_err(&adapter->pcidev->dev, "DMA mapping error\n"); - return; - } - ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr); - ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr); - ihcmd->u.slic_buffers.bufs[0].length = skb->len; -#if BITS_PER_LONG == 64 - hcmd->cmdsize = (u32)((((u64)&ihcmd->u.slic_buffers.bufs[1] - - (u64)hcmd) + 31) >> 5); -#else - hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] - - (u32)hcmd) + 31) >> 5; -#endif -} - -static void slic_xmit_fail(struct adapter *adapter, - struct sk_buff *skb, - void *cmd, u32 skbtype, u32 status) -{ - if (adapter->xmitq_full) - netif_stop_queue(adapter->netdev); - if ((!cmd) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) { - switch (status) { - case XMIT_FAIL_LINK_STATE: - dev_err(&adapter->netdev->dev, - "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n", - skb, skb->pkt_type, - SLIC_LINKSTATE(adapter->linkstate), - SLIC_ADAPTER_STATE(adapter->state), - adapter->state, - SLIC_CARD_STATE(adapter->card->state), - adapter->card->state); - break; - case XMIT_FAIL_ZERO_LENGTH: - dev_err(&adapter->netdev->dev, - "xmit_start skb->len == 0 skb[%p] type[%x]\n", - skb, skb->pkt_type); - break; - case XMIT_FAIL_HOSTCMD_FAIL: - dev_err(&adapter->netdev->dev, - "xmit_start skb[%p] type[%x] No host commands available\n", - skb, skb->pkt_type); - break; - } - } - dev_kfree_skb(skb); - adapter->netdev->stats.tx_dropped++; -} - -static void slic_rcv_handle_error(struct adapter *adapter, - struct slic_rcvbuf *rcvbuf) -{ - struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data; - struct net_device *netdev = adapter->netdev; - - if (adapter->devid != SLIC_1GB_DEVICE_ID) { - if (hdr->frame_status14 & VRHSTAT_802OE) - adapter->if_events.oflow802++; - if (hdr->frame_status14 & VRHSTAT_TPOFLO) - adapter->if_events.Tprtoflow++; - if (hdr->frame_status_b14 & VRHSTATB_802UE) - adapter->if_events.uflow802++; - if (hdr->frame_status_b14 & VRHSTATB_RCVE) { - adapter->if_events.rcvearly++; - netdev->stats.rx_fifo_errors++; - } - if (hdr->frame_status_b14 & VRHSTATB_BUFF) { - adapter->if_events.Bufov++; - netdev->stats.rx_over_errors++; - } - if (hdr->frame_status_b14 & VRHSTATB_CARRE) { - adapter->if_events.Carre++; - netdev->stats.tx_carrier_errors++; - } - if (hdr->frame_status_b14 & VRHSTATB_LONGE) - adapter->if_events.Longe++; - if (hdr->frame_status_b14 & VRHSTATB_PREA) - adapter->if_events.Invp++; - if (hdr->frame_status_b14 & VRHSTATB_CRC) { - adapter->if_events.Crc++; - netdev->stats.rx_crc_errors++; - } - if (hdr->frame_status_b14 & VRHSTATB_DRBL) - adapter->if_events.Drbl++; - if (hdr->frame_status_b14 & VRHSTATB_CODE) - adapter->if_events.Code++; - if (hdr->frame_status_b14 & VRHSTATB_TPCSUM) - adapter->if_events.TpCsum++; - if (hdr->frame_status_b14 & VRHSTATB_TPHLEN) - adapter->if_events.TpHlen++; - if (hdr->frame_status_b14 & VRHSTATB_IPCSUM) - adapter->if_events.IpCsum++; - if (hdr->frame_status_b14 & VRHSTATB_IPLERR) - adapter->if_events.IpLen++; - if (hdr->frame_status_b14 & VRHSTATB_IPHERR) - adapter->if_events.IpHlen++; - } else { - if (hdr->frame_statusGB & VGBSTAT_XPERR) { - u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; - - if (xerr == VGBSTAT_XCSERR) - adapter->if_events.TpCsum++; - if (xerr == VGBSTAT_XUFLOW) - adapter->if_events.Tprtoflow++; - if (xerr == VGBSTAT_XHLEN) - adapter->if_events.TpHlen++; - } - if (hdr->frame_statusGB & VGBSTAT_NETERR) { - u32 nerr = - (hdr-> - frame_statusGB >> VGBSTAT_NERRSHFT) & - VGBSTAT_NERRMSK; - if (nerr == VGBSTAT_NCSERR) - adapter->if_events.IpCsum++; - if (nerr == VGBSTAT_NUFLOW) - adapter->if_events.IpLen++; - if (nerr == VGBSTAT_NHLEN) - adapter->if_events.IpHlen++; - } - if (hdr->frame_statusGB & VGBSTAT_LNKERR) { - u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; - - if (lerr == VGBSTAT_LDEARLY) - adapter->if_events.rcvearly++; - if (lerr == VGBSTAT_LBOFLO) - adapter->if_events.Bufov++; - if (lerr == VGBSTAT_LCODERR) - adapter->if_events.Code++; - if (lerr == VGBSTAT_LDBLNBL) - adapter->if_events.Drbl++; - if (lerr == VGBSTAT_LCRCERR) - adapter->if_events.Crc++; - if (lerr == VGBSTAT_LOFLO) - adapter->if_events.oflow802++; - if (lerr == VGBSTAT_LUFLO) - adapter->if_events.uflow802++; - } - } -} - -#define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000 -#define M_FAST_PATH 0x0040 - -static void slic_rcv_handler(struct adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct sk_buff *skb; - struct slic_rcvbuf *rcvbuf; - u32 frames = 0; - - while ((skb = slic_rcvqueue_getnext(adapter))) { - u32 rx_bytes; - - rcvbuf = (struct slic_rcvbuf *)skb->head; - adapter->card->events++; - if (rcvbuf->status & IRHDDR_ERR) { - adapter->rx_errors++; - slic_rcv_handle_error(adapter, rcvbuf); - slic_rcvqueue_reinsert(adapter, skb); - continue; - } - - if (!slic_mac_filter(adapter, (struct ether_header *) - rcvbuf->data)) { - slic_rcvqueue_reinsert(adapter, skb); - continue; - } - skb_pull(skb, SLIC_RCVBUF_HEADSIZE); - rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK); - skb_put(skb, rx_bytes); - netdev->stats.rx_packets++; - netdev->stats.rx_bytes += rx_bytes; -#if SLIC_OFFLOAD_IP_CHECKSUM - skb->ip_summed = CHECKSUM_UNNECESSARY; -#endif - - skb->dev = adapter->netdev; - skb->protocol = eth_type_trans(skb, skb->dev); - netif_rx(skb); - - ++frames; -#if SLIC_INTERRUPT_PROCESS_LIMIT - if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) { - adapter->rcv_interrupt_yields++; - break; - } -#endif - } - adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames); -} - -static void slic_xmit_complete(struct adapter *adapter) -{ - struct slic_hostcmd *hcmd; - struct slic_rspbuf *rspbuf; - u32 frames = 0; - struct slic_handle_word slic_handle_word; - - do { - rspbuf = slic_rspqueue_getnext(adapter); - if (!rspbuf) - break; - adapter->xmit_completes++; - adapter->card->events++; - /* - * Get the complete host command buffer - */ - slic_handle_word.handle_token = rspbuf->hosthandle; - hcmd = - adapter->slic_handles[slic_handle_word.handle_index]. - address; -/* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */ - if (hcmd->type == SLIC_CMD_DUMB) { - if (hcmd->skb) - dev_kfree_skb_irq(hcmd->skb); - slic_cmdq_putdone_irq(adapter, hcmd); - } - rspbuf->status = 0; - rspbuf->hosthandle = 0; - frames++; - } while (1); - adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames); -} - -static void slic_interrupt_card_up(u32 isr, struct adapter *adapter, - struct net_device *dev) -{ - if (isr & ~ISR_IO) { - if (isr & ISR_ERR) { - adapter->error_interrupts++; - if (isr & ISR_RMISS) { - int count; - int pre_count; - int errors; - - struct slic_rcvqueue *rcvq = - &adapter->rcvqueue; - - adapter->error_rmiss_interrupts++; - - if (!rcvq->errors) - rcv_count = rcvq->count; - pre_count = rcvq->count; - errors = rcvq->errors; - - while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { - count = slic_rcvqueue_fill(adapter); - if (!count) - break; - } - } else if (isr & ISR_XDROP) { - dev_err(&dev->dev, - "isr & ISR_ERR [%x] ISR_XDROP\n", - isr); - } else { - dev_err(&dev->dev, - "isr & ISR_ERR [%x]\n", - isr); - } - } - - if (isr & ISR_LEVENT) { - adapter->linkevent_interrupts++; - if (slic_link_event_handler(adapter)) - adapter->linkevent_interrupts--; - } - - if ((isr & ISR_UPC) || (isr & ISR_UPCERR) || - (isr & ISR_UPCBSY)) { - adapter->upr_interrupts++; - slic_upr_request_complete(adapter, isr); - } - } - - if (isr & ISR_RCV) { - adapter->rcv_interrupts++; - slic_rcv_handler(adapter); - } - - if (isr & ISR_CMD) { - adapter->xmit_interrupts++; - slic_xmit_complete(adapter); - } -} - -static irqreturn_t slic_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct adapter *adapter = netdev_priv(dev); - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - u32 isr; - - if (sm_data->isr) { - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_MASK); - slic_flush_write(adapter); - - isr = sm_data->isr; - sm_data->isr = 0; - adapter->num_isrs++; - switch (adapter->card->state) { - case CARD_UP: - slic_interrupt_card_up(isr, adapter, dev); - break; - - case CARD_DOWN: - if ((isr & ISR_UPC) || - (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { - adapter->upr_interrupts++; - slic_upr_request_complete(adapter, isr); - } - break; - } - - adapter->all_reg_writes += 2; - adapter->isr_reg_writes++; - slic_write32(adapter, SLIC_REG_ISR, 0); - } else { - adapter->false_interrupts++; - } - return IRQ_HANDLED; -} - -#define NORMAL_ETHFRAME 0 - -static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev) -{ - struct sliccard *card; - struct adapter *adapter = netdev_priv(dev); - struct slic_hostcmd *hcmd = NULL; - u32 status = 0; - void *offloadcmd = NULL; - - card = adapter->card; - if ((adapter->linkstate != LINK_UP) || - (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) { - status = XMIT_FAIL_LINK_STATE; - goto xmit_fail; - - } else if (skb->len == 0) { - status = XMIT_FAIL_ZERO_LENGTH; - goto xmit_fail; - } - - hcmd = slic_cmdq_getfree(adapter); - if (!hcmd) { - adapter->xmitq_full = 1; - status = XMIT_FAIL_HOSTCMD_FAIL; - goto xmit_fail; - } - hcmd->skb = skb; - hcmd->busy = 1; - hcmd->type = SLIC_CMD_DUMB; - slic_xmit_build_request(adapter, hcmd, skb); - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - -#ifdef DEBUG_DUMP - if (adapter->kill_card) { - struct slic_host64_cmd ihcmd; - - ihcmd = &hcmd->cmd64; - - ihcmd->flags |= 0x40; - adapter->kill_card = 0; /* only do this once */ - } -#endif - if (hcmd->paddrh == 0) { - slic_write32(adapter, SLIC_REG_CBAR, (hcmd->paddrl | - hcmd->cmdsize)); - } else { - slic_write64(adapter, SLIC_REG_CBAR64, - hcmd->paddrl | hcmd->cmdsize, hcmd->paddrh); - } -xmit_done: - return NETDEV_TX_OK; -xmit_fail: - slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status); - goto xmit_done; -} - -static void slic_adapter_freeresources(struct adapter *adapter) -{ - slic_init_cleanup(adapter); - adapter->error_interrupts = 0; - adapter->rcv_interrupts = 0; - adapter->xmit_interrupts = 0; - adapter->linkevent_interrupts = 0; - adapter->upr_interrupts = 0; - adapter->num_isrs = 0; - adapter->xmit_completes = 0; - adapter->rcv_broadcasts = 0; - adapter->rcv_multicasts = 0; - adapter->rcv_unicasts = 0; -} - -static int slic_adapter_allocresources(struct adapter *adapter, - unsigned long *flags) -{ - if (!adapter->intrregistered) { - int retval; - - spin_unlock_irqrestore(&slic_global.driver_lock, *flags); - - retval = request_irq(adapter->netdev->irq, - &slic_interrupt, - IRQF_SHARED, - adapter->netdev->name, adapter->netdev); - - spin_lock_irqsave(&slic_global.driver_lock, *flags); - - if (retval) { - dev_err(&adapter->netdev->dev, - "request_irq (%s) FAILED [%x]\n", - adapter->netdev->name, retval); - return retval; - } - adapter->intrregistered = 1; - } - return 0; -} - -/* - * slic_if_init - * - * Perform initialization of our slic interface. - * - */ -static int slic_if_init(struct adapter *adapter, unsigned long *flags) -{ - struct sliccard *card = adapter->card; - struct net_device *dev = adapter->netdev; - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - int rc; - - /* adapter should be down at this point */ - if (adapter->state != ADAPT_DOWN) { - dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n", - __func__); - rc = -EIO; - goto err; - } - - adapter->devflags_prev = dev->flags; - adapter->macopts = MAC_DIRECTED; - if (dev->flags) { - if (dev->flags & IFF_BROADCAST) - adapter->macopts |= MAC_BCAST; - if (dev->flags & IFF_PROMISC) - adapter->macopts |= MAC_PROMISC; - if (dev->flags & IFF_ALLMULTI) - adapter->macopts |= MAC_ALLMCAST; - if (dev->flags & IFF_MULTICAST) - adapter->macopts |= MAC_MCAST; - } - rc = slic_adapter_allocresources(adapter, flags); - if (rc) { - dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n", - rc); - slic_adapter_freeresources(adapter); - goto err; - } - - if (!adapter->queues_initialized) { - rc = slic_rspqueue_init(adapter); - if (rc) - goto err; - rc = slic_cmdq_init(adapter); - if (rc) - goto err; - rc = slic_rcvqueue_init(adapter); - if (rc) - goto err; - adapter->queues_initialized = 1; - } - - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); - slic_flush_write(adapter); - mdelay(1); - - if (!adapter->isp_initialized) { - unsigned long flags; - - spin_lock_irqsave(&adapter->bit64reglock, flags); - slic_write32(adapter, SLIC_REG_ADDR_UPPER, - cpu_to_le32(upper_32_bits(sm->isr_phaddr))); - slic_write32(adapter, SLIC_REG_ISP, - cpu_to_le32(lower_32_bits(sm->isr_phaddr))); - spin_unlock_irqrestore(&adapter->bit64reglock, flags); - - adapter->isp_initialized = 1; - } - - adapter->state = ADAPT_UP; - if (!card->loadtimerset) { - setup_timer(&card->loadtimer, &slic_timer_load_check, - (ulong)card); - card->loadtimer.expires = - jiffies + (SLIC_LOADTIMER_PERIOD * HZ); - add_timer(&card->loadtimer); - - card->loadtimerset = 1; - } - - if (!adapter->pingtimerset) { - setup_timer(&adapter->pingtimer, &slic_timer_ping, (ulong)dev); - adapter->pingtimer.expires = - jiffies + (PING_TIMER_INTERVAL * HZ); - add_timer(&adapter->pingtimer); - adapter->pingtimerset = 1; - adapter->card->pingstatus = ISR_PINGMASK; - } - - /* - * clear any pending events, then enable interrupts - */ - sm_data->isr = 0; - slic_write32(adapter, SLIC_REG_ISR, 0); - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_ON); - - slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD); - slic_flush_write(adapter); - - rc = slic_link_event_handler(adapter); - if (rc) { - /* disable interrupts then clear pending events */ - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); - slic_write32(adapter, SLIC_REG_ISR, 0); - slic_flush_write(adapter); - - if (adapter->pingtimerset) { - del_timer(&adapter->pingtimer); - adapter->pingtimerset = 0; - } - if (card->loadtimerset) { - del_timer(&card->loadtimer); - card->loadtimerset = 0; - } - adapter->state = ADAPT_DOWN; - slic_adapter_freeresources(adapter); - } - -err: - return rc; -} - -static int slic_entry_open(struct net_device *dev) -{ - struct adapter *adapter = netdev_priv(dev); - struct sliccard *card = adapter->card; - unsigned long flags; - int status; - - netif_carrier_off(dev); - - spin_lock_irqsave(&slic_global.driver_lock, flags); - if (!adapter->activated) { - card->adapters_activated++; - slic_global.num_slic_ports_active++; - adapter->activated = 1; - } - status = slic_if_init(adapter, &flags); - - if (status != 0) { - if (adapter->activated) { - card->adapters_activated--; - slic_global.num_slic_ports_active--; - adapter->activated = 0; - } - goto spin_unlock; - } - if (!card->master) - card->master = adapter; - -spin_unlock: - spin_unlock_irqrestore(&slic_global.driver_lock, flags); - - netif_start_queue(adapter->netdev); - - return status; -} - -static void slic_card_cleanup(struct sliccard *card) -{ - if (card->loadtimerset) { - card->loadtimerset = 0; - del_timer_sync(&card->loadtimer); - } - - kfree(card); -} - -static void slic_entry_remove(struct pci_dev *pcidev) -{ - struct net_device *dev = pci_get_drvdata(pcidev); - struct adapter *adapter = netdev_priv(dev); - struct sliccard *card; - struct mcast_address *mcaddr, *mlist; - - unregister_netdev(dev); - - slic_adapter_freeresources(adapter); - iounmap(adapter->regs); - - /* free multicast addresses */ - mlist = adapter->mcastaddrs; - while (mlist) { - mcaddr = mlist; - mlist = mlist->next; - kfree(mcaddr); - } - card = adapter->card; - card->adapters_allocated--; - adapter->allocated = 0; - if (!card->adapters_allocated) { - struct sliccard *curr_card = slic_global.slic_card; - - if (curr_card == card) { - slic_global.slic_card = card->next; - } else { - while (curr_card->next != card) - curr_card = curr_card->next; - curr_card->next = card->next; - } - slic_global.num_slic_cards--; - slic_card_cleanup(card); - } - free_netdev(dev); - pci_release_regions(pcidev); - pci_disable_device(pcidev); -} - -static int slic_entry_halt(struct net_device *dev) -{ - struct adapter *adapter = netdev_priv(dev); - struct sliccard *card = adapter->card; - unsigned long flags; - - spin_lock_irqsave(&slic_global.driver_lock, flags); - netif_stop_queue(adapter->netdev); - adapter->state = ADAPT_DOWN; - adapter->linkstate = LINK_DOWN; - adapter->upr_list = NULL; - adapter->upr_busy = 0; - adapter->devflags_prev = 0; - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); - adapter->all_reg_writes++; - adapter->icr_reg_writes++; - slic_config_clear(adapter); - if (adapter->activated) { - card->adapters_activated--; - slic_global.num_slic_ports_active--; - adapter->activated = 0; - } -#ifdef AUTOMATIC_RESET - slic_write32(adapter, SLIC_REG_RESET_IFACE, 0); -#endif - slic_flush_write(adapter); - - /* - * Reset the adapter's cmd queues - */ - slic_cmdq_reset(adapter); - -#ifdef AUTOMATIC_RESET - if (!card->adapters_activated) - slic_card_init(card, adapter); -#endif - - spin_unlock_irqrestore(&slic_global.driver_lock, flags); - - netif_carrier_off(dev); - - return 0; -} - -static struct net_device_stats *slic_get_stats(struct net_device *dev) -{ - struct adapter *adapter = netdev_priv(dev); - - dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions; - dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors; - dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors; - dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards; - dev->stats.tx_heartbeat_errors = 0; - dev->stats.tx_aborted_errors = 0; - dev->stats.tx_window_errors = 0; - dev->stats.tx_fifo_errors = 0; - dev->stats.rx_frame_errors = 0; - dev->stats.rx_length_errors = 0; - - return &dev->stats; -} - -static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct adapter *adapter = netdev_priv(dev); - struct ethtool_cmd edata; - struct ethtool_cmd ecmd; - u32 data[7]; - u32 intagg; - - switch (cmd) { - case SIOCSLICSETINTAGG: - if (copy_from_user(data, rq->ifr_data, 28)) - return -EFAULT; - intagg = data[0]; - dev_err(&dev->dev, "set interrupt aggregation to %d\n", - intagg); - slic_intagg_set(adapter, intagg); - return 0; - - case SIOCETHTOOL: - if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd))) - return -EFAULT; - - if (ecmd.cmd == ETHTOOL_GSET) { - memset(&edata, 0, sizeof(edata)); - edata.supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | SUPPORTED_MII); - edata.port = PORT_MII; - edata.transceiver = XCVR_INTERNAL; - edata.phy_address = 0; - if (adapter->linkspeed == LINK_100MB) - edata.speed = SPEED_100; - else if (adapter->linkspeed == LINK_10MB) - edata.speed = SPEED_10; - else - edata.speed = 0; - - if (adapter->linkduplex == LINK_FULLD) - edata.duplex = DUPLEX_FULL; - else - edata.duplex = DUPLEX_HALF; - - edata.autoneg = AUTONEG_ENABLE; - edata.maxtxpkt = 1; - edata.maxrxpkt = 1; - if (copy_to_user(rq->ifr_data, &edata, sizeof(edata))) - return -EFAULT; - - } else if (ecmd.cmd == ETHTOOL_SSET) { - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (adapter->linkspeed == LINK_100MB) - edata.speed = SPEED_100; - else if (adapter->linkspeed == LINK_10MB) - edata.speed = SPEED_10; - else - edata.speed = 0; - - if (adapter->linkduplex == LINK_FULLD) - edata.duplex = DUPLEX_FULL; - else - edata.duplex = DUPLEX_HALF; - - edata.autoneg = AUTONEG_ENABLE; - edata.maxtxpkt = 1; - edata.maxrxpkt = 1; - if ((ecmd.speed != edata.speed) || - (ecmd.duplex != edata.duplex)) { - u32 speed; - u32 duplex; - - if (ecmd.speed == SPEED_10) - speed = 0; - else - speed = PCR_SPEED_100; - if (ecmd.duplex == DUPLEX_FULL) - duplex = PCR_DUPLEX_FULL; - else - duplex = 0; - slic_link_config(adapter, speed, duplex); - if (slic_link_event_handler(adapter)) - return -EFAULT; - } - } - return 0; - default: - return -EOPNOTSUPP; - } -} - -static void slic_config_pci(struct pci_dev *pcidev) -{ - u16 pci_command; - u16 new_command; - - pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); - - new_command = pci_command | PCI_COMMAND_MASTER - | PCI_COMMAND_MEMORY - | PCI_COMMAND_INVALIDATE - | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; - if (pci_command != new_command) - pci_write_config_word(pcidev, PCI_COMMAND, new_command); -} - -static int slic_card_init(struct sliccard *card, struct adapter *adapter) -{ - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data = sm->shmem_data; - struct slic_eeprom *peeprom; - struct oslic_eeprom *pOeeprom; - dma_addr_t phys_config; - u32 phys_configh; - u32 phys_configl; - u32 i = 0; - int status; - uint macaddrs = card->card_size; - ushort eecodesize; - ushort dramsize; - ushort ee_chksum; - ushort calc_chksum; - struct slic_config_mac *pmac; - unsigned char fruformat; - unsigned char oemfruformat; - struct atk_fru *patkfru; - union oemfru *poemfru; - unsigned long flags; - - /* Reset everything except PCI configuration space */ - slic_soft_reset(adapter); - - /* Download the microcode */ - status = slic_card_download(adapter); - if (status) - return status; - - if (!card->config_set) { - peeprom = pci_alloc_consistent(adapter->pcidev, - sizeof(struct slic_eeprom), - &phys_config); - - if (!peeprom) { - dev_err(&adapter->pcidev->dev, - "Failed to allocate DMA memory for EEPROM.\n"); - return -ENOMEM; - } - - phys_configl = SLIC_GET_ADDR_LOW(phys_config); - phys_configh = SLIC_GET_ADDR_HIGH(phys_config); - - memset(peeprom, 0, sizeof(struct slic_eeprom)); - - slic_write32(adapter, SLIC_REG_ICR, ICR_INT_OFF); - slic_flush_write(adapter); - mdelay(1); - - spin_lock_irqsave(&adapter->bit64reglock, flags); - slic_write32(adapter, SLIC_REG_ADDR_UPPER, - cpu_to_le32(upper_32_bits(sm->isr_phaddr))); - slic_write32(adapter, SLIC_REG_ISP, - cpu_to_le32(lower_32_bits(sm->isr_phaddr))); - spin_unlock_irqrestore(&adapter->bit64reglock, flags); - - status = slic_config_get(adapter, phys_configl, phys_configh); - if (status) { - dev_err(&adapter->pcidev->dev, - "Failed to fetch config data from device.\n"); - goto card_init_err; - } - - for (;;) { - if (sm_data->isr) { - if (sm_data->isr & ISR_UPC) { - sm_data->isr = 0; - slic_write64(adapter, SLIC_REG_ISP, 0, - 0); - slic_write32(adapter, SLIC_REG_ISR, 0); - slic_flush_write(adapter); - - slic_upr_request_complete(adapter, 0); - break; - } - - sm_data->isr = 0; - slic_write32(adapter, SLIC_REG_ISR, 0); - slic_flush_write(adapter); - } else { - mdelay(1); - i++; - if (i > 5000) { - dev_err(&adapter->pcidev->dev, - "Fetch of config data timed out.\n"); - slic_write64(adapter, SLIC_REG_ISP, - 0, 0); - slic_flush_write(adapter); - - status = -EINVAL; - goto card_init_err; - } - } - } - - switch (adapter->devid) { - /* Oasis card */ - case SLIC_2GB_DEVICE_ID: - /* extract EEPROM data and pointers to EEPROM data */ - pOeeprom = (struct oslic_eeprom *)peeprom; - eecodesize = pOeeprom->EecodeSize; - dramsize = pOeeprom->DramSize; - pmac = pOeeprom->MacInfo; - fruformat = pOeeprom->FruFormat; - patkfru = &pOeeprom->AtkFru; - oemfruformat = pOeeprom->OemFruFormat; - poemfru = &pOeeprom->OemFru; - macaddrs = 2; - /* - * Minor kludge for Oasis card - * get 2 MAC addresses from the - * EEPROM to ensure that function 1 - * gets the Port 1 MAC address - */ - break; - default: - /* extract EEPROM data and pointers to EEPROM data */ - eecodesize = peeprom->EecodeSize; - dramsize = peeprom->DramSize; - pmac = peeprom->u2.mac.MacInfo; - fruformat = peeprom->FruFormat; - patkfru = &peeprom->AtkFru; - oemfruformat = peeprom->OemFruFormat; - poemfru = &peeprom->OemFru; - break; - } - - card->config.EepromValid = false; - - /* see if the EEPROM is valid by checking it's checksum */ - if ((eecodesize <= MAX_EECODE_SIZE) && - (eecodesize >= MIN_EECODE_SIZE)) { - ee_chksum = - *(u16 *)((char *)peeprom + (eecodesize - 2)); - /* - * calculate the EEPROM checksum - */ - calc_chksum = slic_eeprom_cksum(peeprom, - eecodesize - 2); - /* - * if the ucdoe chksum flag bit worked, - * we wouldn't need this - */ - if (ee_chksum == calc_chksum) - card->config.EepromValid = true; - } - /* copy in the DRAM size */ - card->config.DramSize = dramsize; - - /* copy in the MAC address(es) */ - for (i = 0; i < macaddrs; i++) { - memcpy(&card->config.MacInfo[i], - &pmac[i], sizeof(struct slic_config_mac)); - } - - /* copy the Alacritech FRU information */ - card->config.FruFormat = fruformat; - memcpy(&card->config.AtkFru, patkfru, - sizeof(struct atk_fru)); - - pci_free_consistent(adapter->pcidev, - sizeof(struct slic_eeprom), - peeprom, phys_config); - - if (!card->config.EepromValid) { - slic_write64(adapter, SLIC_REG_ISP, 0, 0); - slic_flush_write(adapter); - dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n"); - return -EINVAL; - } - - card->config_set = 1; - } - - status = slic_card_download_gbrcv(adapter); - if (status) - return status; - - if (slic_global.dynamic_intagg) - slic_intagg_set(adapter, 0); - else - slic_intagg_set(adapter, adapter->intagg_delay); - - /* - * Initialize ping status to "ok" - */ - card->pingstatus = ISR_PINGMASK; - - /* - * Lastly, mark our card state as up and return success - */ - card->state = CARD_UP; - card->reset_in_progress = 0; - - return 0; - -card_init_err: - pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom), - peeprom, phys_config); - return status; -} - -static int slic_get_coalesce(struct net_device *dev, - struct ethtool_coalesce *coalesce) -{ - struct adapter *adapter = netdev_priv(dev); - - adapter->intagg_delay = coalesce->rx_coalesce_usecs; - adapter->dynamic_intagg = coalesce->use_adaptive_rx_coalesce; - return 0; -} - -static int slic_set_coalesce(struct net_device *dev, - struct ethtool_coalesce *coalesce) -{ - struct adapter *adapter = netdev_priv(dev); - - coalesce->rx_coalesce_usecs = adapter->intagg_delay; - coalesce->use_adaptive_rx_coalesce = adapter->dynamic_intagg; - return 0; -} - -static void slic_init_driver(void) -{ - if (slic_first_init) { - slic_first_init = 0; - spin_lock_init(&slic_global.driver_lock); - } -} - -static int slic_init_adapter(struct net_device *netdev, - struct pci_dev *pcidev, - const struct pci_device_id *pci_tbl_entry, - void __iomem *memaddr, int chip_idx) -{ - ushort index; - struct slic_handle *pslic_handle; - struct adapter *adapter = netdev_priv(netdev); - struct slic_shmemory *sm = &adapter->shmem; - struct slic_shmem_data *sm_data; - dma_addr_t phaddr; - -/* adapter->pcidev = pcidev;*/ - adapter->vendid = pci_tbl_entry->vendor; - adapter->devid = pci_tbl_entry->device; - adapter->subsysid = pci_tbl_entry->subdevice; - adapter->busnumber = pcidev->bus->number; - adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); - adapter->functionnumber = (pcidev->devfn & 0x7); - adapter->regs = memaddr; - adapter->irq = pcidev->irq; - adapter->chipid = chip_idx; - adapter->port = 0; - adapter->cardindex = adapter->port; - spin_lock_init(&adapter->upr_lock); - spin_lock_init(&adapter->bit64reglock); - spin_lock_init(&adapter->adapter_lock); - spin_lock_init(&adapter->reset_lock); - spin_lock_init(&adapter->handle_lock); - - adapter->card_size = 1; - /* - * Initialize slic_handle array - */ - /* - * Start with 1. 0 is an invalid host handle. - */ - for (index = 1, pslic_handle = &adapter->slic_handles[1]; - index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) { - pslic_handle->token.handle_index = index; - pslic_handle->type = SLIC_HANDLE_FREE; - pslic_handle->next = adapter->pfree_slic_handles; - adapter->pfree_slic_handles = pslic_handle; - } - sm_data = pci_zalloc_consistent(adapter->pcidev, sizeof(*sm_data), - &phaddr); - if (!sm_data) - return -ENOMEM; - - sm->shmem_data = sm_data; - sm->isr_phaddr = phaddr; - sm->lnkstatus_phaddr = phaddr + offsetof(struct slic_shmem_data, - lnkstatus); - sm->stats_phaddr = phaddr + offsetof(struct slic_shmem_data, stats); - - return 0; -} - -static const struct net_device_ops slic_netdev_ops = { - .ndo_open = slic_entry_open, - .ndo_stop = slic_entry_halt, - .ndo_start_xmit = slic_xmit_start, - .ndo_do_ioctl = slic_ioctl, - .ndo_set_mac_address = slic_mac_set_address, - .ndo_get_stats = slic_get_stats, - .ndo_set_rx_mode = slic_mcast_set_list, - .ndo_validate_addr = eth_validate_addr, -}; - -static u32 slic_card_locate(struct adapter *adapter) -{ - struct sliccard *card = slic_global.slic_card; - struct physcard *physcard = slic_global.phys_card; - ushort card_hostid; - uint i; - - card_hostid = slic_read32(adapter, SLIC_REG_HOSTID); - - /* Initialize a new card structure if need be */ - if (card_hostid == SLIC_HOSTID_DEFAULT) { - card = kzalloc(sizeof(*card), GFP_KERNEL); - if (!card) - return -ENOMEM; - - card->next = slic_global.slic_card; - slic_global.slic_card = card; - card->busnumber = adapter->busnumber; - card->slotnumber = adapter->slotnumber; - - /* Find an available cardnum */ - for (i = 0; i < SLIC_MAX_CARDS; i++) { - if (slic_global.cardnuminuse[i] == 0) { - slic_global.cardnuminuse[i] = 1; - card->cardnum = i; - break; - } - } - slic_global.num_slic_cards++; - } else { - /* Card exists, find the card this adapter belongs to */ - while (card) { - if (card->cardnum == card_hostid) - break; - card = card->next; - } - } - - if (!card) - return -ENXIO; - /* Put the adapter in the card's adapter list */ - if (!card->adapter[adapter->port]) { - card->adapter[adapter->port] = adapter; - adapter->card = card; - } - - card->card_size = 1; /* one port per *logical* card */ - - while (physcard) { - for (i = 0; i < SLIC_MAX_PORTS; i++) { - if (physcard->adapter[i]) - break; - } - if (i == SLIC_MAX_PORTS) - break; - - if (physcard->adapter[i]->slotnumber == adapter->slotnumber) - break; - physcard = physcard->next; - } - if (!physcard) { - /* no structure allocated for this physical card yet */ - physcard = kzalloc(sizeof(*physcard), GFP_ATOMIC); - if (!physcard) { - if (card_hostid == SLIC_HOSTID_DEFAULT) - kfree(card); - return -ENOMEM; - } - - physcard->next = slic_global.phys_card; - slic_global.phys_card = physcard; - physcard->adapters_allocd = 1; - } else { - physcard->adapters_allocd++; - } - /* Note - this is ZERO relative */ - adapter->physport = physcard->adapters_allocd - 1; - - physcard->adapter[adapter->physport] = adapter; - adapter->physcard = physcard; - - return 0; -} - -static int slic_entry_probe(struct pci_dev *pcidev, - const struct pci_device_id *pci_tbl_entry) -{ - static int cards_found; - static int did_version; - int err = -ENODEV; - struct net_device *netdev; - struct adapter *adapter; - void __iomem *memmapped_ioaddr = NULL; - ulong mmio_start = 0; - ulong mmio_len = 0; - struct sliccard *card = NULL; - int pci_using_dac = 0; - - err = pci_enable_device(pcidev); - - if (err) - return err; - - if (did_version++ == 0) { - dev_info(&pcidev->dev, "%s\n", slic_banner); - dev_info(&pcidev->dev, "%s\n", slic_proc_version); - } - - if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) { - pci_using_dac = 1; - err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); - if (err) { - dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n"); - goto err_out_disable_pci; - } - } else { - err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pcidev->dev, "no usable DMA configuration\n"); - goto err_out_disable_pci; - } - pci_using_dac = 0; - pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); - } - - err = pci_request_regions(pcidev, DRV_NAME); - if (err) { - dev_err(&pcidev->dev, "can't obtain PCI resources\n"); - goto err_out_disable_pci; - } - - pci_set_master(pcidev); - - netdev = alloc_etherdev(sizeof(struct adapter)); - if (!netdev) { - err = -ENOMEM; - goto err_out_exit_slic_probe; - } - - netdev->ethtool_ops = &slic_ethtool_ops; - SET_NETDEV_DEV(netdev, &pcidev->dev); - - pci_set_drvdata(pcidev, netdev); - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pcidev = pcidev; - slic_global.dynamic_intagg = adapter->dynamic_intagg; - if (pci_using_dac) - netdev->features |= NETIF_F_HIGHDMA; - - mmio_start = pci_resource_start(pcidev, 0); - mmio_len = pci_resource_len(pcidev, 0); - - memmapped_ioaddr = ioremap_nocache(mmio_start, mmio_len); - if (!memmapped_ioaddr) { - dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n", - mmio_len, mmio_start); - err = -ENOMEM; - goto err_out_free_netdev; - } - - slic_config_pci(pcidev); - - slic_init_driver(); - - err = slic_init_adapter(netdev, pcidev, pci_tbl_entry, memmapped_ioaddr, - cards_found); - if (err) { - dev_err(&pcidev->dev, "failed to init adapter: %i\n", err); - goto err_out_unmap; - } - - err = slic_card_locate(adapter); - if (err) { - dev_err(&pcidev->dev, "cannot locate card\n"); - goto err_clean_init; - } - - card = adapter->card; - - if (!adapter->allocated) { - card->adapters_allocated++; - adapter->allocated = 1; - } - - err = slic_card_init(card, adapter); - if (err) - goto err_clean_init; - - slic_adapter_set_hwaddr(adapter); - - netdev->base_addr = (unsigned long)memmapped_ioaddr; - netdev->irq = adapter->irq; - netdev->netdev_ops = &slic_netdev_ops; - - netif_carrier_off(netdev); - - strcpy(netdev->name, "eth%d"); - err = register_netdev(netdev); - if (err) { - dev_err(&pcidev->dev, "Cannot register net device, aborting.\n"); - goto err_clean_init; - } - - cards_found++; - - return 0; - -err_clean_init: - slic_init_cleanup(adapter); -err_out_unmap: - iounmap(memmapped_ioaddr); -err_out_free_netdev: - free_netdev(netdev); -err_out_exit_slic_probe: - pci_release_regions(pcidev); -err_out_disable_pci: - pci_disable_device(pcidev); - return err; -} - -static struct pci_driver slic_driver = { - .name = DRV_NAME, - .id_table = slic_pci_tbl, - .probe = slic_entry_probe, - .remove = slic_entry_remove, -}; - -static int __init slic_module_init(void) -{ - slic_init_driver(); - - return pci_register_driver(&slic_driver); -} - -static void __exit slic_module_cleanup(void) -{ - pci_unregister_driver(&slic_driver); -} - -static const struct ethtool_ops slic_ethtool_ops = { - .get_coalesce = slic_get_coalesce, - .set_coalesce = slic_set_coalesce -}; - -module_init(slic_module_init); -module_exit(slic_module_cleanup); |