diff options
Diffstat (limited to 'drivers/staging/slicoss/slicoss.c')
| -rw-r--r-- | drivers/staging/slicoss/slicoss.c | 3128 |
1 files changed, 0 insertions, 3128 deletions
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c deleted file mode 100644 index a63d2295bd82..000000000000 --- a/drivers/staging/slicoss/slicoss.c +++ /dev/null @@ -1,3128 +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 != oasis_rcv_ucode_len) { - release_firmware(fw); - return -EINVAL; - } - break; - case SLIC_1GB_DEVICE_ID: - if (rcvucodelen != gb_rcv_ucode_len) { - 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.mac_info[adapter->functionnumber].macaddr_a, - 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 rcr_reset; - - if (linkchange) { - /* Setup MAC */ - slic_mac_config(adapter); - rcr_reset = GRCR_RESET; - } else { - slic_mac_address_config(adapter); - rcr_reset = 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 = (rcr_reset | /* 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 = (rcr_reset | /* 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; - } - - stst->tcp.xmit_tcp_segs += - stats->xmit_tcp_segs - old->xmit_tcp_segs; - - stst->tcp.xmit_tcp_bytes += - stats->xmit_tcp_bytes - old->xmit_tcp_bytes; - - stst->tcp.rcv_tcp_segs += - stats->rcv_tcp_segs - old->rcv_tcp_segs; - - stst->tcp.rcv_tcp_bytes += - stats->rcv_tcp_bytes - old->rcv_tcp_bytes; - - stst->iface.xmt_bytes += - stats->xmit_bytes - old->xmit_bytes; - - stst->iface.xmt_ucast += - stats->xmit_unicasts - old->xmit_unicasts; - - stst->iface.rcv_bytes += - stats->rcv_bytes - old->rcv_bytes; - - stst->iface.rcv_ucast += - stats->rcv_unicasts - old->rcv_unicasts; - - stst->iface.xmt_errors += - stats->xmit_collisions - old->xmit_collisions; - - stst->iface.xmt_errors += stats->xmit_excess_collisions - - old->xmit_excess_collisions; - - stst->iface.xmt_errors += - stats->xmit_other_error - old->xmit_other_error; - - stst->iface.rcv_errors += - stats->rcv_other_error - old->rcv_other_error; - - 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(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->rsp |