Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
| 3 | * Copyright 2000-2006 Alacritech, Inc. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above |
| 12 | * copyright notice, this list of conditions and the following |
| 13 | * disclaimer in the documentation and/or other materials provided |
| 14 | * with the distribution. |
| 15 | * |
| 16 | * Alternatively, this software may be distributed under the terms of the |
| 17 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 18 | * Software Foundation. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY |
| 21 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR |
| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 27 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 28 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 30 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | * |
| 33 | * The views and conclusions contained in the software and documentation |
| 34 | * are those of the authors and should not be interpreted as representing |
| 35 | * official policies, either expressed or implied, of Alacritech, Inc. |
| 36 | * |
| 37 | **************************************************************************/ |
| 38 | |
| 39 | /* |
| 40 | * FILENAME: slicoss.c |
| 41 | * |
| 42 | * The SLICOSS driver for Alacritech's IS-NIC products. |
| 43 | * |
| 44 | * This driver is supposed to support: |
| 45 | * |
| 46 | * Mojave cards (single port PCI Gigabit) both copper and fiber |
| 47 | * Oasis cards (single and dual port PCI-x Gigabit) copper and fiber |
| 48 | * Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber |
| 49 | * |
Justin P. Mattock | 493b67b | 2012-06-18 07:42:24 -0700 | [diff] [blame] | 50 | * The driver was actually tested on Oasis and Kalahari cards. |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 51 | * |
| 52 | * |
| 53 | * NOTE: This is the standard, non-accelerated version of Alacritech's |
| 54 | * IS-NIC driver. |
| 55 | */ |
| 56 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 57 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 58 | #define KLUDGE_FOR_4GB_BOUNDARY 1 |
| 59 | #define DEBUG_MICROCODE 1 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 60 | #define DBG 1 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 61 | #define SLIC_INTERRUPT_PROCESS_LIMIT 1 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 62 | #define SLIC_OFFLOAD_IP_CHECKSUM 1 |
| 63 | #define STATS_TIMER_INTERVAL 2 |
| 64 | #define PING_TIMER_INTERVAL 1 |
Rashika Kheria | 1f6876c | 2013-10-19 13:15:53 +0530 | [diff] [blame] | 65 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 66 | |
| 67 | #include <linux/kernel.h> |
| 68 | #include <linux/string.h> |
| 69 | #include <linux/errno.h> |
| 70 | #include <linux/ioport.h> |
| 71 | #include <linux/slab.h> |
| 72 | #include <linux/interrupt.h> |
| 73 | #include <linux/timer.h> |
| 74 | #include <linux/pci.h> |
| 75 | #include <linux/spinlock.h> |
| 76 | #include <linux/init.h> |
| 77 | #include <linux/bitops.h> |
| 78 | #include <linux/io.h> |
| 79 | #include <linux/netdevice.h> |
Peter Huewe | 97b3e0e | 2013-02-19 05:18:52 +0100 | [diff] [blame] | 80 | #include <linux/crc32.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 81 | #include <linux/etherdevice.h> |
| 82 | #include <linux/skbuff.h> |
| 83 | #include <linux/delay.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 84 | #include <linux/seq_file.h> |
| 85 | #include <linux/kthread.h> |
| 86 | #include <linux/module.h> |
| 87 | #include <linux/moduleparam.h> |
| 88 | |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 89 | #include <linux/firmware.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 90 | #include <linux/types.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 91 | #include <linux/dma-mapping.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 92 | #include <linux/mii.h> |
| 93 | #include <linux/if_vlan.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 94 | #include <asm/unaligned.h> |
| 95 | |
| 96 | #include <linux/ethtool.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 97 | #include <linux/uaccess.h> |
Greg Kroah-Hartman | 77faefa | 2009-02-26 13:59:12 -0800 | [diff] [blame] | 98 | #include "slichw.h" |
| 99 | #include "slic.h" |
| 100 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 101 | static uint slic_first_init = 1; |
Gulsah Kose | a114803 | 2014-03-13 00:34:53 +0200 | [diff] [blame] | 102 | static char *slic_banner = "Alacritech SLIC Technology(tm) Server " |
Greg Kroah-Hartman | e9ef456 | 2009-02-26 14:03:54 -0800 | [diff] [blame] | 103 | "and Storage Accelerator (Non-Accelerated)"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 104 | |
| 105 | static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 106 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 107 | static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 108 | static int intagg_delay = 100; |
| 109 | static u32 dynamic_intagg; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 110 | static unsigned int rcv_count; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 111 | |
| 112 | #define DRV_NAME "slicoss" |
| 113 | #define DRV_VERSION "2.0.1" |
| 114 | #define DRV_AUTHOR "Alacritech, Inc. Engineering" |
| 115 | #define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\ |
| 116 | "Non-Accelerated Driver" |
| 117 | #define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\ |
| 118 | "All rights reserved." |
| 119 | #define PFX DRV_NAME " " |
| 120 | |
| 121 | MODULE_AUTHOR(DRV_AUTHOR); |
| 122 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 123 | MODULE_LICENSE("Dual BSD/GPL"); |
| 124 | |
| 125 | module_param(dynamic_intagg, int, 0); |
| 126 | MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting"); |
| 127 | module_param(intagg_delay, int, 0); |
| 128 | MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay"); |
| 129 | |
Jingoo Han | 41e043f | 2013-12-03 08:26:00 +0900 | [diff] [blame] | 130 | static const struct pci_device_id slic_pci_tbl[] = { |
kirjanov@gmail.com | 5d37290 | 2009-12-18 10:59:04 +0300 | [diff] [blame] | 131 | { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) }, |
| 132 | { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) }, |
| 133 | { 0 } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 134 | }; |
| 135 | |
| 136 | MODULE_DEVICE_TABLE(pci, slic_pci_tbl); |
| 137 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 138 | static inline void slic_reg32_write(void __iomem *reg, u32 value, bool flush) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 139 | { |
| 140 | writel(value, reg); |
| 141 | if (flush) |
| 142 | mb(); |
| 143 | } |
| 144 | |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 145 | static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg, |
| 146 | u32 value, void __iomem *regh, u32 paddrh, |
| 147 | bool flush) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 148 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 149 | spin_lock_irqsave(&adapter->bit64reglock.lock, |
| 150 | adapter->bit64reglock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 151 | if (paddrh != adapter->curaddrupper) { |
| 152 | adapter->curaddrupper = paddrh; |
| 153 | writel(paddrh, regh); |
| 154 | } |
| 155 | writel(value, reg); |
| 156 | if (flush) |
| 157 | mb(); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 158 | spin_unlock_irqrestore(&adapter->bit64reglock.lock, |
| 159 | adapter->bit64reglock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 160 | } |
| 161 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 162 | static void slic_mcast_set_bit(struct adapter *adapter, char *address) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 163 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 164 | unsigned char crcpoly; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 165 | |
| 166 | /* Get the CRC polynomial for the mac address */ |
Peter Huewe | 97b3e0e | 2013-02-19 05:18:52 +0100 | [diff] [blame] | 167 | /* we use bits 1-8 (lsb), bitwise reversed, |
| 168 | * msb (= lsb bit 0 before bitrev) is automatically discarded */ |
| 169 | crcpoly = (ether_crc(ETH_ALEN, address)>>23); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 170 | |
| 171 | /* We only have space on the SLIC for 64 entries. Lop |
| 172 | * off the top two bits. (2^6 = 64) |
| 173 | */ |
| 174 | crcpoly &= 0x3F; |
| 175 | |
| 176 | /* OR in the new bit into our 64 bit mask. */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 177 | adapter->mcastmask |= (u64) 1 << crcpoly; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 178 | } |
| 179 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 180 | static void slic_mcast_set_mask(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 181 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 182 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 183 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 184 | if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) { |
| 185 | /* Turn on all multicast addresses. We have to do this for |
| 186 | * promiscuous mode as well as ALLMCAST mode. It saves the |
| 187 | * Microcode from having to keep state about the MAC |
| 188 | * configuration. |
| 189 | */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 190 | slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH); |
| 191 | slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF, |
| 192 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 193 | } else { |
| 194 | /* Commit our multicast mast to the SLIC by writing to the |
| 195 | * multicast address mask registers |
| 196 | */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 197 | slic_reg32_write(&slic_regs->slic_mcastlow, |
| 198 | (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH); |
| 199 | slic_reg32_write(&slic_regs->slic_mcasthigh, |
| 200 | (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 201 | } |
| 202 | } |
| 203 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 204 | static void slic_timer_ping(ulong dev) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 205 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 206 | struct adapter *adapter; |
| 207 | struct sliccard *card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 208 | |
Wang Chen | 4bcd426 | 2008-12-06 23:59:10 -0800 | [diff] [blame] | 209 | adapter = netdev_priv((struct net_device *)dev); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 210 | card = adapter->card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 211 | |
Greg Kroah-Hartman | db7a673 | 2009-02-25 17:28:05 -0800 | [diff] [blame] | 212 | adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 213 | add_timer(&adapter->pingtimer); |
| 214 | } |
| 215 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 216 | static void slic_unmap_mmio_space(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 217 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 218 | if (adapter->slic_regs) |
| 219 | iounmap(adapter->slic_regs); |
| 220 | adapter->slic_regs = NULL; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 221 | } |
| 222 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 223 | /* |
| 224 | * slic_link_config |
| 225 | * |
| 226 | * Write phy control to configure link duplex/speed |
| 227 | * |
| 228 | */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 229 | static void slic_link_config(struct adapter *adapter, |
| 230 | u32 linkspeed, u32 linkduplex) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 231 | { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 232 | u32 __iomem *wphy; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 233 | u32 speed; |
| 234 | u32 duplex; |
| 235 | u32 phy_config; |
| 236 | u32 phy_advreg; |
| 237 | u32 phy_gctlreg; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 238 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 239 | if (adapter->state != ADAPT_UP) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 240 | return; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 241 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 242 | if (linkspeed > LINK_1000MB) |
| 243 | linkspeed = LINK_AUTOSPEED; |
| 244 | if (linkduplex > LINK_AUTOD) |
| 245 | linkduplex = LINK_AUTOD; |
| 246 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 247 | wphy = &adapter->slic_regs->slic_wphy; |
| 248 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 249 | if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) { |
| 250 | if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) { |
| 251 | /* We've got a fiber gigabit interface, and register |
| 252 | * 4 is different in fiber mode than in copper mode |
| 253 | */ |
| 254 | |
| 255 | /* advertise FD only @1000 Mb */ |
| 256 | phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD)); |
| 257 | /* enable PAUSE frames */ |
| 258 | phy_advreg |= PAR_ASYMPAUSE_FIBER; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 259 | slic_reg32_write(wphy, phy_advreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 260 | |
| 261 | if (linkspeed == LINK_AUTOSPEED) { |
| 262 | /* reset phy, enable auto-neg */ |
| 263 | phy_config = |
| 264 | (MIICR_REG_PCR | |
| 265 | (PCR_RESET | PCR_AUTONEG | |
| 266 | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 267 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 268 | } else { /* forced 1000 Mb FD*/ |
| 269 | /* power down phy to break link |
| 270 | this may not work) */ |
| 271 | phy_config = (MIICR_REG_PCR | PCR_POWERDOWN); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 272 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 273 | /* wait, Marvell says 1 sec, |
| 274 | try to get away with 10 ms */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 275 | mdelay(10); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 276 | |
| 277 | /* disable auto-neg, set speed/duplex, |
| 278 | soft reset phy, powerup */ |
| 279 | phy_config = |
| 280 | (MIICR_REG_PCR | |
| 281 | (PCR_RESET | PCR_SPEED_1000 | |
| 282 | PCR_DUPLEX_FULL)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 283 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 284 | } |
| 285 | } else { /* copper gigabit */ |
| 286 | |
| 287 | /* Auto-Negotiate or 1000 Mb must be auto negotiated |
| 288 | * We've got a copper gigabit interface, and |
| 289 | * register 4 is different in copper mode than |
| 290 | * in fiber mode |
| 291 | */ |
| 292 | if (linkspeed == LINK_AUTOSPEED) { |
| 293 | /* advertise 10/100 Mb modes */ |
| 294 | phy_advreg = |
| 295 | (MIICR_REG_4 | |
| 296 | (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD |
| 297 | | PAR_ADV10HD)); |
| 298 | } else { |
| 299 | /* linkspeed == LINK_1000MB - |
| 300 | don't advertise 10/100 Mb modes */ |
| 301 | phy_advreg = MIICR_REG_4; |
| 302 | } |
| 303 | /* enable PAUSE frames */ |
| 304 | phy_advreg |= PAR_ASYMPAUSE; |
| 305 | /* required by the Cicada PHY */ |
| 306 | phy_advreg |= PAR_802_3; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 307 | slic_reg32_write(wphy, phy_advreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 308 | /* advertise FD only @1000 Mb */ |
| 309 | phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 310 | slic_reg32_write(wphy, phy_gctlreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 311 | |
| 312 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
| 313 | /* if a Marvell PHY |
| 314 | enable auto crossover */ |
| 315 | phy_config = |
| 316 | (MIICR_REG_16 | (MRV_REG16_XOVERON)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 317 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 318 | |
| 319 | /* reset phy, enable auto-neg */ |
| 320 | phy_config = |
| 321 | (MIICR_REG_PCR | |
| 322 | (PCR_RESET | PCR_AUTONEG | |
| 323 | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 324 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 325 | } else { /* it's a Cicada PHY */ |
| 326 | /* enable and restart auto-neg (don't reset) */ |
| 327 | phy_config = |
| 328 | (MIICR_REG_PCR | |
| 329 | (PCR_AUTONEG | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 330 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 331 | } |
| 332 | } |
| 333 | } else { |
| 334 | /* Forced 10/100 */ |
| 335 | if (linkspeed == LINK_10MB) |
| 336 | speed = 0; |
| 337 | else |
| 338 | speed = PCR_SPEED_100; |
| 339 | if (linkduplex == LINK_HALFD) |
| 340 | duplex = 0; |
| 341 | else |
| 342 | duplex = PCR_DUPLEX_FULL; |
| 343 | |
| 344 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
| 345 | /* if a Marvell PHY |
| 346 | disable auto crossover */ |
| 347 | phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 348 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 349 | } |
| 350 | |
| 351 | /* power down phy to break link (this may not work) */ |
| 352 | phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 353 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 354 | |
| 355 | /* wait, Marvell says 1 sec, try to get away with 10 ms */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 356 | mdelay(10); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 357 | |
| 358 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
| 359 | /* if a Marvell PHY |
| 360 | disable auto-neg, set speed, |
| 361 | soft reset phy, powerup */ |
| 362 | phy_config = |
| 363 | (MIICR_REG_PCR | (PCR_RESET | speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 364 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 365 | } else { /* it's a Cicada PHY */ |
| 366 | /* disable auto-neg, set speed, powerup */ |
| 367 | phy_config = (MIICR_REG_PCR | (speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 368 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 369 | } |
| 370 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 371 | } |
| 372 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 373 | static int slic_card_download_gbrcv(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 374 | { |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 375 | const struct firmware *fw; |
| 376 | const char *file = ""; |
| 377 | int ret; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 378 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 379 | u32 codeaddr; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 380 | u32 instruction; |
| 381 | int index = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 382 | u32 rcvucodelen = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 383 | |
| 384 | switch (adapter->devid) { |
| 385 | case SLIC_2GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 386 | file = "slicoss/oasisrcvucode.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 387 | break; |
| 388 | case SLIC_1GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 389 | file = "slicoss/gbrcvucode.sys"; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 390 | break; |
| 391 | default: |
Devendra Naga | 651d4bc | 2012-08-26 12:36:56 +0530 | [diff] [blame] | 392 | return -ENOENT; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | ret = request_firmware(&fw, file, &adapter->pcidev->dev); |
| 396 | if (ret) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 397 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 398 | "Failed to load firmware %s\n", file); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 399 | return ret; |
| 400 | } |
| 401 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 402 | rcvucodelen = *(u32 *)(fw->data + index); |
| 403 | index += 4; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 404 | switch (adapter->devid) { |
| 405 | case SLIC_2GB_DEVICE_ID: |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 406 | if (rcvucodelen != OasisRcvUCodeLen) { |
| 407 | release_firmware(fw); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 408 | return -EINVAL; |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 409 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 410 | break; |
| 411 | case SLIC_1GB_DEVICE_ID: |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 412 | if (rcvucodelen != GBRcvUCodeLen) { |
| 413 | release_firmware(fw); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 414 | return -EINVAL; |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 415 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 416 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 417 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 418 | /* start download */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 419 | slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 420 | /* download the rcv sequencer ucode */ |
| 421 | for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) { |
| 422 | /* write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 423 | slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 424 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 425 | instruction = *(u32 *)(fw->data + index); |
| 426 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 427 | /* write out the instruction data low addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 428 | slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 429 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 430 | instruction = *(u8 *)(fw->data + index); |
| 431 | index++; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 432 | /* write out the instruction data high addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 433 | slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction, |
| 434 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | /* download finished */ |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 438 | release_firmware(fw); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 439 | slic_reg32_write(&slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 440 | return 0; |
| 441 | } |
| 442 | |
Ben Hutchings | 5d929a7 | 2010-01-13 23:36:09 +0000 | [diff] [blame] | 443 | MODULE_FIRMWARE("slicoss/oasisrcvucode.sys"); |
| 444 | MODULE_FIRMWARE("slicoss/gbrcvucode.sys"); |
| 445 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 446 | static int slic_card_download(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 447 | { |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 448 | const struct firmware *fw; |
| 449 | const char *file = ""; |
| 450 | int ret; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 451 | u32 section; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 452 | int thissectionsize; |
| 453 | int codeaddr; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 454 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 455 | u32 instruction; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 456 | u32 baseaddress; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 457 | u32 i; |
| 458 | u32 numsects = 0; |
| 459 | u32 sectsize[3]; |
| 460 | u32 sectstart[3]; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 461 | int ucode_start, index = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 462 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 463 | switch (adapter->devid) { |
| 464 | case SLIC_2GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 465 | file = "slicoss/oasisdownload.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 466 | break; |
| 467 | case SLIC_1GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 468 | file = "slicoss/gbdownload.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 469 | break; |
| 470 | default: |
Devendra Naga | 670d145 | 2012-10-22 18:15:41 -0400 | [diff] [blame] | 471 | return -ENOENT; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 472 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 473 | ret = request_firmware(&fw, file, &adapter->pcidev->dev); |
| 474 | if (ret) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 475 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 476 | "Failed to load firmware %s\n", file); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 477 | return ret; |
| 478 | } |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 479 | numsects = *(u32 *)(fw->data + index); |
| 480 | index += 4; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 481 | for (i = 0; i < numsects; i++) { |
| 482 | sectsize[i] = *(u32 *)(fw->data + index); |
| 483 | index += 4; |
| 484 | } |
| 485 | for (i = 0; i < numsects; i++) { |
| 486 | sectstart[i] = *(u32 *)(fw->data + index); |
| 487 | index += 4; |
| 488 | } |
| 489 | ucode_start = index; |
| 490 | instruction = *(u32 *)(fw->data + index); |
| 491 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 492 | for (section = 0; section < numsects; section++) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 493 | baseaddress = sectstart[section]; |
| 494 | thissectionsize = sectsize[section] >> 3; |
| 495 | |
| 496 | for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 497 | /* Write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 498 | slic_reg32_write(&slic_regs->slic_wcs, |
| 499 | baseaddress + codeaddr, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 500 | /* Write out instruction to low addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 501 | slic_reg32_write(&slic_regs->slic_wcs, instruction, FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 502 | instruction = *(u32 *)(fw->data + index); |
| 503 | index += 4; |
| 504 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 505 | /* Write out instruction to high addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 506 | slic_reg32_write(&slic_regs->slic_wcs, instruction, FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 507 | instruction = *(u32 *)(fw->data + index); |
| 508 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 509 | } |
| 510 | } |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 511 | index = ucode_start; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 512 | for (section = 0; section < numsects; section++) { |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 513 | instruction = *(u32 *)(fw->data + index); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 514 | baseaddress = sectstart[section]; |
| 515 | if (baseaddress < 0x8000) |
| 516 | continue; |
| 517 | thissectionsize = sectsize[section] >> 3; |
| 518 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 519 | for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { |
| 520 | /* Write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 521 | slic_reg32_write(&slic_regs->slic_wcs, |
| 522 | SLIC_WCS_COMPARE | (baseaddress + codeaddr), |
| 523 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 524 | /* Write out instruction to low addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 525 | slic_reg32_write(&slic_regs->slic_wcs, instruction, |
| 526 | FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 527 | instruction = *(u32 *)(fw->data + index); |
| 528 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 529 | /* Write out instruction to high addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 530 | slic_reg32_write(&slic_regs->slic_wcs, instruction, |
| 531 | FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 532 | instruction = *(u32 *)(fw->data + index); |
| 533 | index += 4; |
| 534 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 535 | /* Check SRAM location zero. If it is non-zero. Abort.*/ |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 536 | /* failure = readl((u32 __iomem *)&slic_regs->slic_reset); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 537 | if (failure) { |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 538 | release_firmware(fw); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 539 | return -EIO; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 540 | }*/ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 541 | } |
| 542 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 543 | release_firmware(fw); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 544 | /* Everything OK, kick off the card */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 545 | mdelay(10); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 546 | slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 547 | |
| 548 | /* stall for 20 ms, long enough for ucode to init card |
| 549 | and reach mainloop */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 550 | mdelay(20); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 551 | |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 552 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 553 | } |
| 554 | |
Ben Hutchings | 5d929a7 | 2010-01-13 23:36:09 +0000 | [diff] [blame] | 555 | MODULE_FIRMWARE("slicoss/oasisdownload.sys"); |
| 556 | MODULE_FIRMWARE("slicoss/gbdownload.sys"); |
| 557 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 558 | static void slic_adapter_set_hwaddr(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 559 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 560 | struct sliccard *card = adapter->card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 561 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 562 | if ((adapter->card) && (card->config_set)) { |
| 563 | memcpy(adapter->macaddr, |
| 564 | card->config.MacInfo[adapter->functionnumber].macaddrA, |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 565 | sizeof(struct slic_config_mac)); |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 566 | if (is_zero_ether_addr(adapter->currmacaddr)) |
| 567 | memcpy(adapter->currmacaddr, adapter->macaddr, |
| 568 | ETH_ALEN); |
| 569 | if (adapter->netdev) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 570 | memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 571 | ETH_ALEN); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 572 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 573 | } |
| 574 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 575 | static void slic_intagg_set(struct adapter *adapter, u32 value) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 576 | { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 577 | slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 578 | adapter->card->loadlevel_current = value; |
| 579 | } |
| 580 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 581 | static void slic_soft_reset(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 582 | { |
| 583 | if (adapter->card->state == CARD_UP) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 584 | slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 585 | mdelay(1); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 586 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 587 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 588 | slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, |
| 589 | FLUSH); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 590 | mdelay(1); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 591 | } |
| 592 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 593 | static void slic_mac_address_config(struct adapter *adapter) |
| 594 | { |
| 595 | u32 value; |
| 596 | u32 value2; |
| 597 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 598 | |
Ebru Akagunduz | 438c582 | 2014-10-23 16:10:16 +0300 | [diff] [blame^] | 599 | value = ntohl(*(__be32 *) &adapter->currmacaddr[2]); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 600 | slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH); |
| 601 | slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH); |
| 602 | |
| 603 | value2 = (u32) ((adapter->currmacaddr[0] << 8 | |
| 604 | adapter->currmacaddr[1]) & 0xFFFF); |
| 605 | |
| 606 | slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH); |
| 607 | slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH); |
| 608 | |
| 609 | /* Write our multicast mask out to the card. This is done */ |
| 610 | /* here in addition to the slic_mcast_addr_set routine */ |
| 611 | /* because ALL_MCAST may have been enabled or disabled */ |
| 612 | slic_mcast_set_mask(adapter); |
| 613 | } |
| 614 | |
| 615 | static void slic_mac_config(struct adapter *adapter) |
| 616 | { |
| 617 | u32 value; |
| 618 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 619 | |
| 620 | /* Setup GMAC gaps */ |
| 621 | if (adapter->linkspeed == LINK_1000MB) { |
| 622 | value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) | |
| 623 | (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) | |
| 624 | (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT)); |
| 625 | } else { |
| 626 | value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) | |
| 627 | (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) | |
| 628 | (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT)); |
| 629 | } |
| 630 | |
| 631 | /* enable GMII */ |
| 632 | if (adapter->linkspeed == LINK_1000MB) |
| 633 | value |= GMCR_GBIT; |
| 634 | |
| 635 | /* enable fullduplex */ |
| 636 | if ((adapter->linkduplex == LINK_FULLD) |
| 637 | || (adapter->macopts & MAC_LOOPBACK)) { |
| 638 | value |= GMCR_FULLD; |
| 639 | } |
| 640 | |
| 641 | /* write mac config */ |
| 642 | slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH); |
| 643 | |
| 644 | /* setup mac addresses */ |
| 645 | slic_mac_address_config(adapter); |
| 646 | } |
| 647 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 648 | static void slic_config_set(struct adapter *adapter, bool linkchange) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 649 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 650 | u32 value; |
| 651 | u32 RcrReset; |
| 652 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 653 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 654 | if (linkchange) { |
| 655 | /* Setup MAC */ |
| 656 | slic_mac_config(adapter); |
| 657 | RcrReset = GRCR_RESET; |
| 658 | } else { |
| 659 | slic_mac_address_config(adapter); |
| 660 | RcrReset = 0; |
| 661 | } |
| 662 | |
| 663 | if (adapter->linkduplex == LINK_FULLD) { |
| 664 | /* setup xmtcfg */ |
| 665 | value = (GXCR_RESET | /* Always reset */ |
| 666 | GXCR_XMTEN | /* Enable transmit */ |
| 667 | GXCR_PAUSEEN); /* Enable pause */ |
| 668 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 669 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 670 | |
| 671 | /* Setup rcvcfg last */ |
| 672 | value = (RcrReset | /* Reset, if linkchange */ |
| 673 | GRCR_CTLEN | /* Enable CTL frames */ |
| 674 | GRCR_ADDRAEN | /* Address A enable */ |
| 675 | GRCR_RCVBAD | /* Rcv bad frames */ |
| 676 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 677 | } else { |
| 678 | /* setup xmtcfg */ |
| 679 | value = (GXCR_RESET | /* Always reset */ |
| 680 | GXCR_XMTEN); /* Enable transmit */ |
| 681 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 682 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 683 | |
| 684 | /* Setup rcvcfg last */ |
| 685 | value = (RcrReset | /* Reset, if linkchange */ |
| 686 | GRCR_ADDRAEN | /* Address A enable */ |
| 687 | GRCR_RCVBAD | /* Rcv bad frames */ |
| 688 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 689 | } |
| 690 | |
| 691 | if (adapter->state != ADAPT_DOWN) { |
| 692 | /* Only enable receive if we are restarting or running */ |
| 693 | value |= GRCR_RCVEN; |
| 694 | } |
| 695 | |
| 696 | if (adapter->macopts & MAC_PROMISC) |
| 697 | value |= GRCR_RCVALL; |
| 698 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 699 | slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | /* |
| 703 | * Turn off RCV and XMT, power down PHY |
| 704 | */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 705 | static void slic_config_clear(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 706 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 707 | u32 value; |
| 708 | u32 phy_config; |
| 709 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 710 | |
| 711 | /* Setup xmtcfg */ |
| 712 | value = (GXCR_RESET | /* Always reset */ |
| 713 | GXCR_PAUSEEN); /* Enable pause */ |
| 714 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 715 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 716 | |
| 717 | value = (GRCR_RESET | /* Always reset */ |
| 718 | GRCR_CTLEN | /* Enable CTL frames */ |
| 719 | GRCR_ADDRAEN | /* Address A enable */ |
| 720 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 721 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 722 | slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 723 | |
| 724 | /* power down phy */ |
| 725 | phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 726 | slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 727 | } |
| 728 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 729 | static bool slic_mac_filter(struct adapter *adapter, |
| 730 | struct ether_header *ether_frame) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 731 | { |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 732 | struct net_device *netdev = adapter->netdev; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 733 | u32 opts = adapter->macopts; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 734 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 735 | if (opts & MAC_PROMISC) |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 736 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 737 | |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 738 | if (is_broadcast_ether_addr(ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 739 | if (opts & MAC_BCAST) { |
| 740 | adapter->rcv_broadcasts++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 741 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 742 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 743 | |
| 744 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 745 | } |
| 746 | |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 747 | if (is_multicast_ether_addr(ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 748 | if (opts & MAC_ALLMCAST) { |
| 749 | adapter->rcv_multicasts++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 750 | netdev->stats.multicast++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 751 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 752 | } |
| 753 | if (opts & MAC_MCAST) { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 754 | struct mcast_address *mcaddr = adapter->mcastaddrs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 755 | |
| 756 | while (mcaddr) { |
Joe Perches | 8329419 | 2013-09-01 12:15:47 -0700 | [diff] [blame] | 757 | if (ether_addr_equal(mcaddr->address, |
| 758 | ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 759 | adapter->rcv_multicasts++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 760 | netdev->stats.multicast++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 761 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 762 | } |
| 763 | mcaddr = mcaddr->next; |
| 764 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 765 | |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 766 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 767 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 768 | |
| 769 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 770 | } |
| 771 | if (opts & MAC_DIRECTED) { |
| 772 | adapter->rcv_unicasts++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 773 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 774 | } |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 775 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 776 | |
| 777 | } |
| 778 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 779 | static int slic_mac_set_address(struct net_device *dev, void *ptr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 780 | { |
kirjanov@gmail.com | f8771fa | 2009-12-18 10:54:27 +0300 | [diff] [blame] | 781 | struct adapter *adapter = netdev_priv(dev); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 782 | struct sockaddr *addr = ptr; |
| 783 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 784 | if (netif_running(dev)) |
| 785 | return -EBUSY; |
| 786 | if (!adapter) |
| 787 | return -EBUSY; |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 788 | |
kirjanov@gmail.com | a71b997 | 2009-12-18 10:52:45 +0300 | [diff] [blame] | 789 | if (!is_valid_ether_addr(addr->sa_data)) |
| 790 | return -EINVAL; |
| 791 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 792 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 793 | memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 794 | |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 795 | slic_config_set(adapter, true); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 796 | return 0; |
| 797 | } |
| 798 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 799 | static void slic_timer_load_check(ulong cardaddr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 800 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 801 | struct sliccard *card = (struct sliccard *)cardaddr; |
| 802 | struct adapter *adapter = card->master; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 803 | u32 __iomem *intagg; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 804 | u32 load = card->events; |
| 805 | u32 level = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 806 | |
| 807 | if ((adapter) && (adapter->state == ADAPT_UP) && |
| 808 | (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { |
Peter Huewe | 8137211 | 2013-02-19 05:13:50 +0100 | [diff] [blame] | 809 | intagg = &adapter->slic_regs->slic_intagg; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 810 | if (adapter->devid == SLIC_1GB_DEVICE_ID) { |
| 811 | if (adapter->linkspeed == LINK_1000MB) |
| 812 | level = 100; |
| 813 | else { |
| 814 | if (load > SLIC_LOAD_5) |
| 815 | level = SLIC_INTAGG_5; |
| 816 | else if (load > SLIC_LOAD_4) |
| 817 | level = SLIC_INTAGG_4; |
| 818 | else if (load > SLIC_LOAD_3) |
| 819 | level = SLIC_INTAGG_3; |
| 820 | else if (load > SLIC_LOAD_2) |
| 821 | level = SLIC_INTAGG_2; |
| 822 | else if (load > SLIC_LOAD_1) |
| 823 | level = SLIC_INTAGG_1; |
| 824 | else |
| 825 | level = SLIC_INTAGG_0; |
| 826 | } |
| 827 | if (card->loadlevel_current != level) { |
| 828 | card->loadlevel_current = level; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 829 | slic_reg32_write(intagg, level, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 830 | } |
| 831 | } else { |
| 832 | if (load > SLIC_LOAD_5) |
| 833 | level = SLIC_INTAGG_5; |
| 834 | else if (load > SLIC_LOAD_4) |
| 835 | level = SLIC_INTAGG_4; |
| 836 | else if (load > SLIC_LOAD_3) |
| 837 | level = SLIC_INTAGG_3; |
| 838 | else if (load > SLIC_LOAD_2) |
| 839 | level = SLIC_INTAGG_2; |
| 840 | else if (load > SLIC_LOAD_1) |
| 841 | level = SLIC_INTAGG_1; |
| 842 | else |
| 843 | level = SLIC_INTAGG_0; |
| 844 | if (card->loadlevel_current != level) { |
| 845 | card->loadlevel_current = level; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 846 | slic_reg32_write(intagg, level, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 847 | } |
| 848 | } |
| 849 | } |
| 850 | card->events = 0; |
Greg Kroah-Hartman | db7a673 | 2009-02-25 17:28:05 -0800 | [diff] [blame] | 851 | card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 852 | add_timer(&card->loadtimer); |
| 853 | } |
| 854 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 855 | static int slic_upr_queue_request(struct adapter *adapter, |
| 856 | u32 upr_request, |
| 857 | u32 upr_data, |
| 858 | u32 upr_data_h, |
| 859 | u32 upr_buffer, u32 upr_buffer_h) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 860 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 861 | struct slic_upr *upr; |
| 862 | struct slic_upr *uprqueue; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 863 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 864 | upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC); |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 865 | if (!upr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 866 | return -ENOMEM; |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 867 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 868 | upr->adapter = adapter->port; |
| 869 | upr->upr_request = upr_request; |
| 870 | upr->upr_data = upr_data; |
| 871 | upr->upr_buffer = upr_buffer; |
| 872 | upr->upr_data_h = upr_data_h; |
| 873 | upr->upr_buffer_h = upr_buffer_h; |
| 874 | upr->next = NULL; |
| 875 | if (adapter->upr_list) { |
| 876 | uprqueue = adapter->upr_list; |
| 877 | |
| 878 | while (uprqueue->next) |
| 879 | uprqueue = uprqueue->next; |
| 880 | uprqueue->next = upr; |
| 881 | } else { |
| 882 | adapter->upr_list = upr; |
| 883 | } |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 884 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 885 | } |
| 886 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 887 | static void slic_upr_start(struct adapter *adapter) |
| 888 | { |
| 889 | struct slic_upr *upr; |
| 890 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 891 | /* |
| 892 | char * ptr1; |
| 893 | char * ptr2; |
| 894 | uint cmdoffset; |
| 895 | */ |
| 896 | upr = adapter->upr_list; |
| 897 | if (!upr) |
| 898 | return; |
| 899 | if (adapter->upr_busy) |
| 900 | return; |
| 901 | adapter->upr_busy = 1; |
| 902 | |
| 903 | switch (upr->upr_request) { |
| 904 | case SLIC_UPR_STATS: |
| 905 | if (upr->upr_data_h == 0) { |
| 906 | slic_reg32_write(&slic_regs->slic_stats, upr->upr_data, |
| 907 | FLUSH); |
| 908 | } else { |
| 909 | slic_reg64_write(adapter, &slic_regs->slic_stats64, |
| 910 | upr->upr_data, |
| 911 | &slic_regs->slic_addr_upper, |
| 912 | upr->upr_data_h, FLUSH); |
| 913 | } |
| 914 | break; |
| 915 | |
| 916 | case SLIC_UPR_RLSR: |
| 917 | slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data, |
| 918 | &slic_regs->slic_addr_upper, upr->upr_data_h, |
| 919 | FLUSH); |
| 920 | break; |
| 921 | |
| 922 | case SLIC_UPR_RCONFIG: |
| 923 | slic_reg64_write(adapter, &slic_regs->slic_rconfig, |
| 924 | upr->upr_data, &slic_regs->slic_addr_upper, |
| 925 | upr->upr_data_h, FLUSH); |
| 926 | break; |
| 927 | case SLIC_UPR_PING: |
| 928 | slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH); |
| 929 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 930 | } |
| 931 | } |
| 932 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 933 | static int slic_upr_request(struct adapter *adapter, |
| 934 | u32 upr_request, |
| 935 | u32 upr_data, |
| 936 | u32 upr_data_h, |
| 937 | u32 upr_buffer, u32 upr_buffer_h) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 938 | { |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 939 | int rc; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 940 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 941 | spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 942 | rc = slic_upr_queue_request(adapter, |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 943 | upr_request, |
| 944 | upr_data, |
| 945 | upr_data_h, upr_buffer, upr_buffer_h); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 946 | if (rc) |
| 947 | goto err_unlock_irq; |
| 948 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 949 | slic_upr_start(adapter); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 950 | err_unlock_irq: |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 951 | spin_unlock_irqrestore(&adapter->upr_lock.lock, |
| 952 | adapter->upr_lock.flags); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 953 | return rc; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 954 | } |
| 955 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 956 | static void slic_link_upr_complete(struct adapter *adapter, u32 isr) |
| 957 | { |
| 958 | u32 linkstatus = adapter->pshmem->linkstatus; |
| 959 | uint linkup; |
| 960 | unsigned char linkspeed; |
| 961 | unsigned char linkduplex; |
| 962 | |
| 963 | if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { |
| 964 | struct slic_shmem *pshmem; |
| 965 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 966 | pshmem = (struct slic_shmem *)(unsigned long) |
| 967 | adapter->phys_shmem; |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 968 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 969 | slic_upr_queue_request(adapter, |
| 970 | SLIC_UPR_RLSR, |
| 971 | SLIC_GET_ADDR_LOW(&pshmem->linkstatus), |
| 972 | SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), |
| 973 | 0, 0); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 974 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 975 | slic_upr_queue_request(adapter, |
| 976 | SLIC_UPR_RLSR, |
| 977 | (u32) &pshmem->linkstatus, |
| 978 | SLIC_GET_ADDR_HIGH(pshmem), 0, 0); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 979 | #endif |
| 980 | return; |
| 981 | } |
| 982 | if (adapter->state != ADAPT_UP) |
| 983 | return; |
| 984 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 985 | linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN; |
| 986 | if (linkstatus & GIG_SPEED_1000) |
| 987 | linkspeed = LINK_1000MB; |
| 988 | else if (linkstatus & GIG_SPEED_100) |
| 989 | linkspeed = LINK_100MB; |
| 990 | else |
| 991 | linkspeed = LINK_10MB; |
| 992 | |
| 993 | if (linkstatus & GIG_FULLDUPLEX) |
| 994 | linkduplex = LINK_FULLD; |
| 995 | else |
| 996 | linkduplex = LINK_HALFD; |
| 997 | |
| 998 | if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN)) |
| 999 | return; |
| 1000 | |
| 1001 | /* link up event, but nothing has changed */ |
| 1002 | if ((adapter->linkstate == LINK_UP) && |
| 1003 | (linkup == LINK_UP) && |
| 1004 | (adapter->linkspeed == linkspeed) && |
| 1005 | (adapter->linkduplex == linkduplex)) |
| 1006 | return; |
| 1007 | |
| 1008 | /* link has changed at this point */ |
| 1009 | |
| 1010 | /* link has gone from up to down */ |
| 1011 | if (linkup == LINK_DOWN) { |
| 1012 | adapter->linkstate = LINK_DOWN; |
| 1013 | return; |
| 1014 | } |
| 1015 | |
| 1016 | /* link has gone from down to up */ |
| 1017 | adapter->linkspeed = linkspeed; |
| 1018 | adapter->linkduplex = linkduplex; |
| 1019 | |
| 1020 | if (adapter->linkstate != LINK_UP) { |
| 1021 | /* setup the mac */ |
| 1022 | slic_config_set(adapter, true); |
| 1023 | adapter->linkstate = LINK_UP; |
| 1024 | netif_start_queue(adapter->netdev); |
| 1025 | } |
| 1026 | } |
| 1027 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1028 | static void slic_upr_request_complete(struct adapter *adapter, u32 isr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1029 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1030 | struct sliccard *card = adapter->card; |
| 1031 | struct slic_upr *upr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1032 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1033 | spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1034 | upr = adapter->upr_list; |
| 1035 | if (!upr) { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1036 | spin_unlock_irqrestore(&adapter->upr_lock.lock, |
| 1037 | adapter->upr_lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1038 | return; |
| 1039 | } |
| 1040 | adapter->upr_list = upr->next; |
| 1041 | upr->next = NULL; |
| 1042 | adapter->upr_busy = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1043 | switch (upr->upr_request) { |
| 1044 | case SLIC_UPR_STATS: |
| 1045 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1046 | struct slic_stats *slicstats = |
| 1047 | (struct slic_stats *) &adapter->pshmem->inicstats; |
| 1048 | struct slic_stats *newstats = slicstats; |
| 1049 | struct slic_stats *old = &adapter->inicstats_prev; |
| 1050 | struct slicnet_stats *stst = &adapter->slic_stats; |
Greg Kroah-Hartman | 3467db1 | 2009-02-26 14:01:22 -0800 | [diff] [blame] | 1051 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1052 | if (isr & ISR_UPCERR) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1053 | dev_err(&adapter->netdev->dev, |
| 1054 | "SLIC_UPR_STATS command failed isr[%x]\n", |
| 1055 | isr); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1056 | |
| 1057 | break; |
| 1058 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1059 | UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, |
| 1060 | newstats->xmit_tcp_segs_gb, |
| 1061 | old->xmit_tcp_segs_gb); |
| 1062 | |
| 1063 | UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, |
| 1064 | newstats->xmit_tcp_bytes_gb, |
| 1065 | old->xmit_tcp_bytes_gb); |
| 1066 | |
| 1067 | UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, |
| 1068 | newstats->rcv_tcp_segs_gb, |
| 1069 | old->rcv_tcp_segs_gb); |
| 1070 | |
| 1071 | UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, |
| 1072 | newstats->rcv_tcp_bytes_gb, |
| 1073 | old->rcv_tcp_bytes_gb); |
| 1074 | |
| 1075 | UPDATE_STATS_GB(stst->iface.xmt_bytes, |
| 1076 | newstats->xmit_bytes_gb, |
| 1077 | old->xmit_bytes_gb); |
| 1078 | |
| 1079 | UPDATE_STATS_GB(stst->iface.xmt_ucast, |
| 1080 | newstats->xmit_unicasts_gb, |
| 1081 | old->xmit_unicasts_gb); |
| 1082 | |
| 1083 | UPDATE_STATS_GB(stst->iface.rcv_bytes, |
| 1084 | newstats->rcv_bytes_gb, |
| 1085 | old->rcv_bytes_gb); |
| 1086 | |
| 1087 | UPDATE_STATS_GB(stst->iface.rcv_ucast, |
| 1088 | newstats->rcv_unicasts_gb, |
| 1089 | old->rcv_unicasts_gb); |
| 1090 | |
| 1091 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1092 | newstats->xmit_collisions_gb, |
| 1093 | old->xmit_collisions_gb); |
| 1094 | |
| 1095 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1096 | newstats->xmit_excess_collisions_gb, |
| 1097 | old->xmit_excess_collisions_gb); |
| 1098 | |
| 1099 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1100 | newstats->xmit_other_error_gb, |
| 1101 | old->xmit_other_error_gb); |
| 1102 | |
| 1103 | UPDATE_STATS_GB(stst->iface.rcv_errors, |
| 1104 | newstats->rcv_other_error_gb, |
| 1105 | old->rcv_other_error_gb); |
| 1106 | |
| 1107 | UPDATE_STATS_GB(stst->iface.rcv_discards, |
| 1108 | newstats->rcv_drops_gb, |
| 1109 | old->rcv_drops_gb); |
| 1110 | |
| 1111 | if (newstats->rcv_drops_gb > old->rcv_drops_gb) { |
| 1112 | adapter->rcv_drops += |
| 1113 | (newstats->rcv_drops_gb - |
| 1114 | old->rcv_drops_gb); |
| 1115 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1116 | memcpy(old, newstats, sizeof(struct slic_stats)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1117 | break; |
| 1118 | } |
| 1119 | case SLIC_UPR_RLSR: |
| 1120 | slic_link_upr_complete(adapter, isr); |
| 1121 | break; |
| 1122 | case SLIC_UPR_RCONFIG: |
| 1123 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1124 | case SLIC_UPR_PING: |
| 1125 | card->pingstatus |= (isr & ISR_PINGDSMASK); |
| 1126 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1127 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1128 | kfree(upr); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1129 | slic_upr_start(adapter); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1130 | spin_unlock_irqrestore(&adapter->upr_lock.lock, |
| 1131 | adapter->upr_lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1132 | } |
| 1133 | |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 1134 | static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1135 | { |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 1136 | return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h, |
| 1137 | 0, 0); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1138 | } |
| 1139 | |
| 1140 | /* |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1141 | * Compute a checksum of the EEPROM according to RFC 1071. |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1142 | */ |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1143 | static u16 slic_eeprom_cksum(void *eeprom, unsigned len) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1144 | { |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1145 | u16 *wp = eeprom; |
| 1146 | u32 checksum = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1147 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1148 | while (len > 1) { |
| 1149 | checksum += *(wp++); |
| 1150 | len -= 2; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1151 | } |
| 1152 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1153 | if (len > 0) |
| 1154 | checksum += *(u8 *) wp; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1155 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1156 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1157 | while (checksum >> 16) |
| 1158 | checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF); |
| 1159 | |
| 1160 | return ~checksum; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1161 | } |
| 1162 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1163 | static void slic_rspqueue_free(struct adapter *adapter) |
| 1164 | { |
| 1165 | int i; |
| 1166 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1167 | |
| 1168 | for (i = 0; i < rspq->num_pages; i++) { |
| 1169 | if (rspq->vaddr[i]) { |
| 1170 | pci_free_consistent(adapter->pcidev, PAGE_SIZE, |
| 1171 | rspq->vaddr[i], rspq->paddr[i]); |
| 1172 | } |
| 1173 | rspq->vaddr[i] = NULL; |
| 1174 | rspq->paddr[i] = 0; |
| 1175 | } |
| 1176 | rspq->offset = 0; |
| 1177 | rspq->pageindex = 0; |
| 1178 | rspq->rspbuf = NULL; |
| 1179 | } |
| 1180 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1181 | static int slic_rspqueue_init(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1182 | { |
| 1183 | int i; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1184 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1185 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 1186 | u32 paddrh = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1187 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1188 | memset(rspq, 0, sizeof(struct slic_rspqueue)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1189 | |
| 1190 | rspq->num_pages = SLIC_RSPQ_PAGES_GB; |
| 1191 | |
| 1192 | for (i = 0; i < rspq->num_pages; i++) { |
Joe Perches | 8b983be | 2014-08-08 14:24:48 -0700 | [diff] [blame] | 1193 | rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev, |
| 1194 | PAGE_SIZE, |
| 1195 | &rspq->paddr[i]); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1196 | if (!rspq->vaddr[i]) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1197 | dev_err(&adapter->pcidev->dev, |
| 1198 | "pci_alloc_consistent failed\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1199 | slic_rspqueue_free(adapter); |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 1200 | return -ENOMEM; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1201 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1202 | |
| 1203 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1204 | slic_reg32_write(&slic_regs->slic_rbar, |
| 1205 | (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), |
| 1206 | DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1207 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1208 | slic_reg64_write(adapter, &slic_regs->slic_rbar64, |
| 1209 | (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), |
| 1210 | &slic_regs->slic_addr_upper, |
| 1211 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1212 | } |
| 1213 | } |
| 1214 | rspq->offset = 0; |
| 1215 | rspq->pageindex = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1216 | rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0]; |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 1217 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1220 | static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1221 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1222 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1223 | struct slic_rspbuf *buf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1224 | |
| 1225 | if (!(rspq->rspbuf->status)) |
| 1226 | return NULL; |
| 1227 | |
| 1228 | buf = rspq->rspbuf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1229 | if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { |
| 1230 | rspq->rspbuf++; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1231 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1232 | slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64, |
| 1233 | (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE), |
| 1234 | &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH); |
Peter Huewe | 6d1b80f | 2013-02-19 05:18:50 +0100 | [diff] [blame] | 1235 | rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1236 | rspq->offset = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1237 | rspq->rspbuf = (struct slic_rspbuf *) |
| 1238 | rspq->vaddr[rspq->pageindex]; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1239 | } |
Devendra Naga | 40991e4 | 2012-10-22 18:16:07 -0400 | [diff] [blame] | 1240 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1241 | return buf; |
| 1242 | } |
| 1243 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1244 | static void slic_cmdqmem_free(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1245 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1246 | struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1247 | int i; |
| 1248 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1249 | for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) { |
| 1250 | if (cmdqmem->pages[i]) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1251 | pci_free_consistent(adapter->pcidev, |
| 1252 | PAGE_SIZE, |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1253 | (void *) cmdqmem->pages[i], |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1254 | cmdqmem->dma_pages[i]); |
| 1255 | } |
| 1256 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1257 | memset(cmdqmem, 0, sizeof(struct slic_cmdqmem)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1258 | } |
| 1259 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1260 | static u32 *slic_cmdqmem_addpage(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1261 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1262 | struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; |
| 1263 | u32 *pageaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1264 | |
| 1265 | if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES) |
| 1266 | return NULL; |
| 1267 | pageaddr = pci_alloc_consistent(adapter->pcidev, |
| 1268 | PAGE_SIZE, |
| 1269 | &cmdqmem->dma_pages[cmdqmem->pagecnt]); |
| 1270 | if (!pageaddr) |
| 1271 | return NULL; |
Devendra Naga | 40991e4 | 2012-10-22 18:16:07 -0400 | [diff] [blame] | 1272 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1273 | cmdqmem->pages[cmdqmem->pagecnt] = pageaddr; |
| 1274 | cmdqmem->pagecnt++; |
| 1275 | return pageaddr; |
| 1276 | } |
| 1277 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1278 | static void slic_cmdq_free(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1279 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1280 | struct slic_hostcmd *cmd; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1281 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1282 | cmd = adapter->cmdq_all.head; |
| 1283 | while (cmd) { |
| 1284 | if (cmd->busy) { |
| 1285 | struct sk_buff *tempskb; |
| 1286 | |
| 1287 | tempskb = cmd->skb; |
| 1288 | if (tempskb) { |
| 1289 | cmd->skb = NULL; |
| 1290 | dev_kfree_skb_irq(tempskb); |
| 1291 | } |
| 1292 | } |
| 1293 | cmd = cmd->next_all; |
| 1294 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1295 | memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); |
| 1296 | memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); |
| 1297 | memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1298 | slic_cmdqmem_free(adapter); |
| 1299 | } |
| 1300 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1301 | static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1302 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1303 | struct slic_hostcmd *cmd; |
| 1304 | struct slic_hostcmd *prev; |
| 1305 | struct slic_hostcmd *tail; |
| 1306 | struct slic_cmdqueue *cmdq; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1307 | int cmdcnt; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1308 | void *cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1309 | ulong phys_addr; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1310 | u32 phys_addrl; |
| 1311 | u32 phys_addrh; |
| 1312 | struct slic_handle *pslic_handle; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1313 | |
| 1314 | cmdaddr = page; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1315 | cmd = (struct slic_hostcmd *)cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1316 | cmdcnt = 0; |
| 1317 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1318 | phys_addr = virt_to_bus((void *)page); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1319 | phys_addrl = SLIC_GET_ADDR_LOW(phys_addr); |
| 1320 | phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr); |
| 1321 | |
| 1322 | prev = NULL; |
| 1323 | tail = cmd; |
| 1324 | while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) && |
| 1325 | (adapter->slic_handle_ix < 256)) { |
| 1326 | /* Allocate and initialize a SLIC_HANDLE for this command */ |
Monam Agarwal | b0a0fb1 | 2014-03-09 18:40:23 +0530 | [diff] [blame] | 1327 | spin_lock_irqsave(&adapter->handle_lock.lock, |
| 1328 | adapter->handle_lock.flags); |
| 1329 | pslic_handle = adapter->pfree_slic_handles; |
Monam Agarwal | bcadb1d | 2014-03-27 20:01:01 +0530 | [diff] [blame] | 1330 | adapter->pfree_slic_handles = pslic_handle->next; |
Monam Agarwal | b0a0fb1 | 2014-03-09 18:40:23 +0530 | [diff] [blame] | 1331 | spin_unlock_irqrestore(&adapter->handle_lock.lock, |
| 1332 | adapter->handle_lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1333 | pslic_handle->type = SLIC_HANDLE_CMD; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1334 | pslic_handle->address = (void *) cmd; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1335 | pslic_handle->offset = (ushort) adapter->slic_handle_ix++; |
| 1336 | pslic_handle->other_handle = NULL; |
| 1337 | pslic_handle->next = NULL; |
| 1338 | |
| 1339 | cmd->pslic_handle = pslic_handle; |
| 1340 | cmd->cmd64.hosthandle = pslic_handle->token.handle_token; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 1341 | cmd->busy = false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1342 | cmd->paddrl = phys_addrl; |
| 1343 | cmd->paddrh = phys_addrh; |
| 1344 | cmd->next_all = prev; |
| 1345 | cmd->next = prev; |
| 1346 | prev = cmd; |
| 1347 | phys_addrl += SLIC_HOSTCMD_SIZE; |
| 1348 | cmdaddr += SLIC_HOSTCMD_SIZE; |
| 1349 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1350 | cmd = (struct slic_hostcmd *)cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1351 | cmdcnt++; |
| 1352 | } |
| 1353 | |
| 1354 | cmdq = &adapter->cmdq_all; |
| 1355 | cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ |
| 1356 | tail->next_all = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1357 | cmdq->head = prev; |
| 1358 | cmdq = &adapter->cmdq_free; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1359 | spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1360 | cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ |
| 1361 | tail->next = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1362 | cmdq->head = prev; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1363 | spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1364 | } |
| 1365 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1366 | static int slic_cmdq_init(struct adapter *adapter) |
| 1367 | { |
| 1368 | int i; |
| 1369 | u32 *pageaddr; |
| 1370 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1371 | memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); |
| 1372 | memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); |
| 1373 | memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); |
| 1374 | spin_lock_init(&adapter->cmdq_all.lock.lock); |
| 1375 | spin_lock_init(&adapter->cmdq_free.lock.lock); |
| 1376 | spin_lock_init(&adapter->cmdq_done.lock.lock); |
Devendra Naga | bae5c3d | 2012-10-23 18:08:43 -0400 | [diff] [blame] | 1377 | memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1378 | adapter->slic_handle_ix = 1; |
| 1379 | for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) { |
| 1380 | pageaddr = slic_cmdqmem_addpage(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1381 | if (!pageaddr) { |
| 1382 | slic_cmdq_free(adapter); |
| 1383 | return -ENOMEM; |
| 1384 | } |
| 1385 | slic_cmdq_addcmdpage(adapter, pageaddr); |
| 1386 | } |
| 1387 | adapter->slic_handle_ix = 1; |
| 1388 | |
| 1389 | return 0; |
| 1390 | } |
| 1391 | |
| 1392 | static void slic_cmdq_reset(struct adapter *adapter) |
| 1393 | { |
| 1394 | struct slic_hostcmd *hcmd; |
| 1395 | struct sk_buff *skb; |
| 1396 | u32 outstanding; |
| 1397 | |
| 1398 | spin_lock_irqsave(&adapter->cmdq_free.lock.lock, |
| 1399 | adapter->cmdq_free.lock.flags); |
| 1400 | spin_lock_irqsave(&adapter->cmdq_done.lock.lock, |
| 1401 | adapter->cmdq_done.lock.flags); |
| 1402 | outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; |
| 1403 | outstanding -= adapter->cmdq_free.count; |
| 1404 | hcmd = adapter->cmdq_all.head; |
| 1405 | while (hcmd) { |
| 1406 | if (hcmd->busy) { |
| 1407 | skb = hcmd->skb; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1408 | hcmd->busy = 0; |
| 1409 | hcmd->skb = NULL; |
| 1410 | dev_kfree_skb_irq(skb); |
| 1411 | } |
| 1412 | hcmd = hcmd->next_all; |
| 1413 | } |
| 1414 | adapter->cmdq_free.count = 0; |
| 1415 | adapter->cmdq_free.head = NULL; |
| 1416 | adapter->cmdq_free.tail = NULL; |
| 1417 | adapter->cmdq_done.count = 0; |
| 1418 | adapter->cmdq_done.head = NULL; |
| 1419 | adapter->cmdq_done.tail = NULL; |
| 1420 | adapter->cmdq_free.head = adapter->cmdq_all.head; |
| 1421 | hcmd = adapter->cmdq_all.head; |
| 1422 | while (hcmd) { |
| 1423 | adapter->cmdq_free.count++; |
| 1424 | hcmd->next = hcmd->next_all; |
| 1425 | hcmd = hcmd->next_all; |
| 1426 | } |
| 1427 | if (adapter->cmdq_free.count != adapter->cmdq_all.count) { |
| 1428 | dev_err(&adapter->netdev->dev, |
| 1429 | "free_count %d != all count %d\n", |
| 1430 | adapter->cmdq_free.count, adapter->cmdq_all.count); |
| 1431 | } |
| 1432 | spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock, |
| 1433 | adapter->cmdq_done.lock.flags); |
| 1434 | spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock, |
| 1435 | adapter->cmdq_free.lock.flags); |
| 1436 | } |
| 1437 | |
| 1438 | static void slic_cmdq_getdone(struct adapter *adapter) |
| 1439 | { |
| 1440 | struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done; |
| 1441 | struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free; |
| 1442 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1443 | spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags); |
| 1444 | |
| 1445 | free_cmdq->head = done_cmdq->head; |
| 1446 | free_cmdq->count = done_cmdq->count; |
| 1447 | done_cmdq->head = NULL; |
| 1448 | done_cmdq->tail = NULL; |
| 1449 | done_cmdq->count = 0; |
| 1450 | spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags); |
| 1451 | } |
| 1452 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1453 | static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1454 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1455 | struct slic_cmdqueue *cmdq = &adapter->cmdq_free; |
| 1456 | struct slic_hostcmd *cmd = NULL; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1457 | |
| 1458 | lock_and_retry: |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1459 | spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1460 | retry: |
| 1461 | cmd = cmdq->head; |
| 1462 | if (cmd) { |
| 1463 | cmdq->head = cmd->next; |
| 1464 | cmdq->count--; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1465 | spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1466 | } else { |
| 1467 | slic_cmdq_getdone(adapter); |
| 1468 | cmd = cmdq->head; |
| 1469 | if (cmd) { |
| 1470 | goto retry; |
| 1471 | } else { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1472 | u32 *pageaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1473 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1474 | spin_unlock_irqrestore(&cmdq->lock.lock, |
| 1475 | cmdq->lock.flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1476 | pageaddr = slic_cmdqmem_addpage(adapter); |
| 1477 | if (pageaddr) { |
| 1478 | slic_cmdq_addcmdpage(adapter, pageaddr); |
| 1479 | goto lock_and_retry; |
| 1480 | } |
| 1481 | } |
| 1482 | } |
| 1483 | return cmd; |
| 1484 | } |
| 1485 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1486 | static void slic_cmdq_putdone_irq(struct adapter *adapter, |
| 1487 | struct slic_hostcmd *cmd) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1488 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1489 | struct slic_cmdqueue *cmdq = &adapter->cmdq_done; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1490 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1491 | spin_lock(&cmdq->lock.lock); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1492 | cmd->busy = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1493 | cmd->next = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1494 | cmdq->head = cmd; |
| 1495 | cmdq->count++; |
| 1496 | if ((adapter->xmitq_full) && (cmdq->count > 10)) |
| 1497 | netif_wake_queue(adapter->netdev); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1498 | spin_unlock(&cmdq->lock.lock); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1499 | } |
| 1500 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1501 | static int slic_rcvqueue_fill(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1502 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1503 | void *paddr; |
| 1504 | u32 paddrl; |
| 1505 | u32 paddrh; |
| 1506 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1507 | int i = 0; |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1508 | struct device *dev = &adapter->netdev->dev; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1509 | |
| 1510 | while (i < SLIC_RCVQ_FILLENTRIES) { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1511 | struct slic_rcvbuf *rcvbuf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1512 | struct sk_buff *skb; |
| 1513 | #ifdef KLUDGE_FOR_4GB_BOUNDARY |
| 1514 | retry_rcvqfill: |
| 1515 | #endif |
| 1516 | skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC); |
| 1517 | if (skb) { |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1518 | paddr = (void *)(unsigned long) |
| 1519 | pci_map_single(adapter->pcidev, |
| 1520 | skb->data, |
| 1521 | SLIC_RCVQ_RCVBUFSIZE, |
| 1522 | PCI_DMA_FROMDEVICE); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1523 | paddrl = SLIC_GET_ADDR_LOW(paddr); |
| 1524 | paddrh = SLIC_GET_ADDR_HIGH(paddr); |
| 1525 | |
| 1526 | skb->len = SLIC_RCVBUF_HEADSIZE; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1527 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1528 | rcvbuf->status = 0; |
| 1529 | skb->next = NULL; |
| 1530 | #ifdef KLUDGE_FOR_4GB_BOUNDARY |
| 1531 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1532 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1533 | __func__); |
| 1534 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
| 1535 | dev_err(dev, " skbdata[%p]\n", skb->data); |
| 1536 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1537 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1538 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1539 | dev_err(dev, " paddrh[%x]\n", paddrh); |
| 1540 | dev_err(dev, " rcvq->head[%p]\n", rcvq->head); |
| 1541 | dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail); |
| 1542 | dev_err(dev, " rcvq->count[%x]\n", rcvq->count); |
| 1543 | dev_err(dev, "SKIP THIS SKB!!!!!!!!\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1544 | goto retry_rcvqfill; |
| 1545 | } |
| 1546 | #else |
| 1547 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1548 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1549 | __func__); |
| 1550 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
| 1551 | dev_err(dev, " skbdata[%p]\n", skb->data); |
| 1552 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1553 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1554 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1555 | dev_err(dev, " paddrh[%x]\n", paddrh); |
| 1556 | dev_err(dev, " rcvq->head[%p]\n", rcvq->head); |
| 1557 | dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail); |
| 1558 | dev_err(dev, " rcvq->count[%x]\n", rcvq->count); |
| 1559 | dev_err(dev, "GIVE TO CARD ANYWAY\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1560 | } |
| 1561 | #endif |
| 1562 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1563 | slic_reg32_write(&adapter->slic_regs->slic_hbar, |
| 1564 | (u32)paddrl, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1565 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1566 | slic_reg64_write(adapter, |
| 1567 | &adapter->slic_regs->slic_hbar64, |
| 1568 | paddrl, |
| 1569 | &adapter->slic_regs->slic_addr_upper, |
| 1570 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1571 | } |
| 1572 | if (rcvq->head) |
| 1573 | rcvq->tail->next = skb; |
| 1574 | else |
| 1575 | rcvq->head = skb; |
| 1576 | rcvq->tail = skb; |
| 1577 | rcvq->count++; |
| 1578 | i++; |
| 1579 | } else { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1580 | dev_err(&adapter->netdev->dev, |
| 1581 | "slic_rcvqueue_fill could only get [%d] skbuffs\n", |
| 1582 | i); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1583 | break; |
| 1584 | } |
| 1585 | } |
| 1586 | return i; |
| 1587 | } |
| 1588 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1589 | static void slic_rcvqueue_free(struct adapter *adapter) |
| 1590 | { |
| 1591 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1592 | struct sk_buff *skb; |
| 1593 | |
| 1594 | while (rcvq->head) { |
| 1595 | skb = rcvq->head; |
| 1596 | rcvq->head = rcvq->head->next; |
| 1597 | dev_kfree_skb(skb); |
| 1598 | } |
| 1599 | rcvq->tail = NULL; |
| 1600 | rcvq->head = NULL; |
| 1601 | rcvq->count = 0; |
| 1602 | } |
| 1603 | |
| 1604 | static int slic_rcvqueue_init(struct adapter *adapter) |
| 1605 | { |
| 1606 | int i, count; |
| 1607 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1608 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1609 | rcvq->tail = NULL; |
| 1610 | rcvq->head = NULL; |
| 1611 | rcvq->size = SLIC_RCVQ_ENTRIES; |
| 1612 | rcvq->errors = 0; |
| 1613 | rcvq->count = 0; |
| 1614 | i = (SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES); |
| 1615 | count = 0; |
| 1616 | while (i) { |
| 1617 | count += slic_rcvqueue_fill(adapter); |
| 1618 | i--; |
| 1619 | } |
| 1620 | if (rcvq->count < SLIC_RCVQ_MINENTRIES) { |
| 1621 | slic_rcvqueue_free(adapter); |
| 1622 | return -ENOMEM; |
| 1623 | } |
| 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter) |
| 1628 | { |
| 1629 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1630 | struct sk_buff *skb; |
| 1631 | struct slic_rcvbuf *rcvbuf; |
| 1632 | int count; |
| 1633 | |
| 1634 | if (rcvq->count) { |
| 1635 | skb = rcvq->head; |
| 1636 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1637 | |
| 1638 | if (rcvbuf->status & IRHDDR_SVALID) { |
| 1639 | rcvq->head = rcvq->head->next; |
| 1640 | skb->next = NULL; |
| 1641 | rcvq->count--; |
| 1642 | } else { |
| 1643 | skb = NULL; |
| 1644 | } |
| 1645 | } else { |
| 1646 | dev_err(&adapter->netdev->dev, |
| 1647 | "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count); |
| 1648 | skb = NULL; |
| 1649 | } |
| 1650 | while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { |
| 1651 | count = slic_rcvqueue_fill(adapter); |
| 1652 | if (!count) |
| 1653 | break; |
| 1654 | } |
| 1655 | if (skb) |
| 1656 | rcvq->errors = 0; |
| 1657 | return skb; |
| 1658 | } |
| 1659 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1660 | static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1661 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1662 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1663 | void *paddr; |
| 1664 | u32 paddrl; |
| 1665 | u32 paddrh; |
| 1666 | struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head; |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1667 | struct device *dev; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1668 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1669 | paddr = (void *)(unsigned long) |
| 1670 | pci_map_single(adapter->pcidev, skb->head, |
| 1671 | SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1672 | rcvbuf->status = 0; |
| 1673 | skb->next = NULL; |
| 1674 | |
| 1675 | paddrl = SLIC_GET_ADDR_LOW(paddr); |
| 1676 | paddrh = SLIC_GET_ADDR_HIGH(paddr); |
| 1677 | |
| 1678 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1679 | dev = &adapter->netdev->dev; |
| 1680 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1681 | __func__); |
| 1682 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
| 1683 | dev_err(dev, " skbdata[%p]\n", skb->data); |
| 1684 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1685 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1686 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1687 | dev_err(dev, " paddrh[%x]\n", paddrh); |
| 1688 | dev_err(dev, " rcvq->head[%p]\n", rcvq->head); |
| 1689 | dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail); |
| 1690 | dev_err(dev, " rcvq->count[%x]\n", rcvq->count); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1691 | } |
| 1692 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1693 | slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl, |
| 1694 | DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1695 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1696 | slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64, |
| 1697 | paddrl, &adapter->slic_regs->slic_addr_upper, |
| 1698 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1699 | } |
| 1700 | if (rcvq->head) |
| 1701 | rcvq->tail->next = skb; |
| 1702 | else |
| 1703 | rcvq->head = skb; |
| 1704 | rcvq->tail = skb; |
| 1705 | rcvq->count++; |
| 1706 | return rcvq->count; |
| 1707 | } |
| 1708 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1709 | /* |
| 1710 | * slic_link_event_handler - |
| 1711 | * |
| 1712 | * Initiate a link configuration sequence. The link configuration begins |
| 1713 | * by issuing a READ_LINK_STATUS command to the Utility Processor on the |
| 1714 | * SLIC. Since the command finishes asynchronously, the slic_upr_comlete |
| 1715 | * routine will follow it up witha UP configuration write command, which |
| 1716 | * will also complete asynchronously. |
| 1717 | * |
| 1718 | */ |
| 1719 | static void slic_link_event_handler(struct adapter *adapter) |
| 1720 | { |
| 1721 | int status; |
| 1722 | struct slic_shmem *pshmem; |
| 1723 | |
| 1724 | if (adapter->state != ADAPT_UP) { |
| 1725 | /* Adapter is not operational. Ignore. */ |
| 1726 | return; |
| 1727 | } |
| 1728 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1729 | pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1730 | |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1731 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1732 | status = slic_upr_request(adapter, |
| 1733 | SLIC_UPR_RLSR, |
| 1734 | SLIC_GET_ADDR_LOW(&pshmem->linkstatus), |
| 1735 | SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), |
| 1736 | 0, 0); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1737 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1738 | status = slic_upr_request(adapter, SLIC_UPR_RLSR, |
| 1739 | (u32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */ |
| 1740 | 0, 0, 0); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1741 | #endif |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1742 | } |
| 1743 | |
| 1744 | static void slic_init_cleanup(struct adapter *adapter) |
| 1745 | { |
| 1746 | if (adapter->intrregistered) { |
| 1747 | adapter->intrregistered = 0; |
| 1748 | free_irq(adapter->netdev->irq, adapter->netdev); |
| 1749 | |
| 1750 | } |
| 1751 | if (adapter->pshmem) { |
| 1752 | pci_free_consistent(adapter->pcidev, |
| 1753 | sizeof(struct slic_shmem), |
| 1754 | adapter->pshmem, adapter->phys_shmem); |
| 1755 | adapter->pshmem = NULL; |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1756 | adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1757 | } |
| 1758 | |
| 1759 | if (adapter->pingtimerset) { |
| 1760 | adapter->pingtimerset = 0; |
| 1761 | del_timer(&adapter->pingtimer); |
| 1762 | } |
| 1763 | |
| 1764 | slic_rspqueue_free(adapter); |
| 1765 | slic_cmdq_free(adapter); |
| 1766 | slic_rcvqueue_free(adapter); |
| 1767 | } |
| 1768 | |
| 1769 | /* |
| 1770 | * Allocate a mcast_address structure to hold the multicast address. |
| 1771 | * Link it in. |
| 1772 | */ |
| 1773 | static int slic_mcast_add_list(struct adapter *adapter, char *address) |
| 1774 | { |
| 1775 | struct mcast_address *mcaddr, *mlist; |
| 1776 | |
| 1777 | /* Check to see if it already exists */ |
| 1778 | mlist = adapter->mcastaddrs; |
| 1779 | while (mlist) { |
Joe Perches | 8329419 | 2013-09-01 12:15:47 -0700 | [diff] [blame] | 1780 | if (ether_addr_equal(mlist->address, address)) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1781 | return 0; |
| 1782 | mlist = mlist->next; |
| 1783 | } |
| 1784 | |
| 1785 | /* Doesn't already exist. Allocate a structure to hold it */ |
| 1786 | mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC); |
| 1787 | if (mcaddr == NULL) |
| 1788 | return 1; |
| 1789 | |
Dilek Uzulmez | f999ac0 | 2014-10-07 02:50:28 +0300 | [diff] [blame] | 1790 | ether_addr_copy(mcaddr->address, address); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1791 | |
| 1792 | mcaddr->next = adapter->mcastaddrs; |
| 1793 | adapter->mcastaddrs = mcaddr; |
| 1794 | |
| 1795 | return 0; |
| 1796 | } |
| 1797 | |
| 1798 | static void slic_mcast_set_list(struct net_device *dev) |
| 1799 | { |
| 1800 | struct adapter *adapter = netdev_priv(dev); |
| 1801 | int status = 0; |
| 1802 | char *addresses; |
| 1803 | struct netdev_hw_addr *ha; |
| 1804 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1805 | netdev_for_each_mc_addr(ha, dev) { |
| 1806 | addresses = (char *) &ha->addr; |
| 1807 | status = slic_mcast_add_list(adapter, addresses); |
| 1808 | if (status != 0) |
| 1809 | break; |
| 1810 | slic_mcast_set_bit(adapter, addresses); |
| 1811 | } |
| 1812 | |
| 1813 | if (adapter->devflags_prev != dev->flags) { |
| 1814 | adapter->macopts = MAC_DIRECTED; |
| 1815 | if (dev->flags) { |
| 1816 | if (dev->flags & IFF_BROADCAST) |
| 1817 | adapter->macopts |= MAC_BCAST; |
| 1818 | if (dev->flags & IFF_PROMISC) |
| 1819 | adapter->macopts |= MAC_PROMISC; |
| 1820 | if (dev->flags & IFF_ALLMULTI) |
| 1821 | adapter->macopts |= MAC_ALLMCAST; |
| 1822 | if (dev->flags & IFF_MULTICAST) |
| 1823 | adapter->macopts |= MAC_MCAST; |
| 1824 | } |
| 1825 | adapter->devflags_prev = dev->flags; |
| 1826 | slic_config_set(adapter, true); |
| 1827 | } else { |
| 1828 | if (status == 0) |
| 1829 | slic_mcast_set_mask(adapter); |
| 1830 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1831 | } |
| 1832 | |
| 1833 | #define XMIT_FAIL_LINK_STATE 1 |
| 1834 | #define XMIT_FAIL_ZERO_LENGTH 2 |
| 1835 | #define XMIT_FAIL_HOSTCMD_FAIL 3 |
| 1836 | |
| 1837 | static void slic_xmit_build_request(struct adapter *adapter, |
| 1838 | struct slic_hostcmd *hcmd, struct sk_buff *skb) |
| 1839 | { |
| 1840 | struct slic_host64_cmd *ihcmd; |
| 1841 | ulong phys_addr; |
| 1842 | |
| 1843 | ihcmd = &hcmd->cmd64; |
| 1844 | |
| 1845 | ihcmd->flags = (adapter->port << IHFLG_IFSHFT); |
| 1846 | ihcmd->command = IHCMD_XMT_REQ; |
| 1847 | ihcmd->u.slic_buffers.totlen = skb->len; |
| 1848 | phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, |
| 1849 | PCI_DMA_TODEVICE); |
| 1850 | ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr); |
| 1851 | ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr); |
| 1852 | ihcmd->u.slic_buffers.bufs[0].length = skb->len; |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1853 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1854 | hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] - |
| 1855 | (u64) hcmd) + 31) >> 5); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1856 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1857 | hcmd->cmdsize = ((((u32) &ihcmd->u.slic_buffers.bufs[1] - |
| 1858 | (u32) hcmd) + 31) >> 5); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1859 | #endif |
| 1860 | } |
| 1861 | |
| 1862 | static void slic_xmit_fail(struct adapter *adapter, |
| 1863 | struct sk_buff *skb, |
| 1864 | void *cmd, u32 skbtype, u32 status) |
| 1865 | { |
| 1866 | if (adapter->xmitq_full) |
| 1867 | netif_stop_queue(adapter->netdev); |
| 1868 | if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) { |
| 1869 | switch (status) { |
| 1870 | case XMIT_FAIL_LINK_STATE: |
| 1871 | dev_err(&adapter->netdev->dev, |
Monam Agarwal | 5d5b44b | 2014-02-28 00:43:20 +0530 | [diff] [blame] | 1872 | "reject xmit skb[%p: %x] linkstate[%s] adapter[%s:%d] card[%s:%d]\n", |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1873 | skb, skb->pkt_type, |
| 1874 | SLIC_LINKSTATE(adapter->linkstate), |
| 1875 | SLIC_ADAPTER_STATE(adapter->state), |
| 1876 | adapter->state, |
| 1877 | SLIC_CARD_STATE(adapter->card->state), |
| 1878 | adapter->card->state); |
| 1879 | break; |
| 1880 | case XMIT_FAIL_ZERO_LENGTH: |
| 1881 | dev_err(&adapter->netdev->dev, |
| 1882 | "xmit_start skb->len == 0 skb[%p] type[%x]\n", |
| 1883 | skb, skb->pkt_type); |
| 1884 | break; |
| 1885 | case XMIT_FAIL_HOSTCMD_FAIL: |
| 1886 | dev_err(&adapter->netdev->dev, |
Monam Agarwal | 5d5b44b | 2014-02-28 00:43:20 +0530 | [diff] [blame] | 1887 | "xmit_start skb[%p] type[%x] No host commands available\n", skb, skb->pkt_type); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1888 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1889 | } |
| 1890 | } |
| 1891 | dev_kfree_skb(skb); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1892 | adapter->netdev->stats.tx_dropped++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1893 | } |
| 1894 | |
| 1895 | static void slic_rcv_handle_error(struct adapter *adapter, |
| 1896 | struct slic_rcvbuf *rcvbuf) |
| 1897 | { |
| 1898 | struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1899 | struct net_device *netdev = adapter->netdev; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1900 | |
| 1901 | if (adapter->devid != SLIC_1GB_DEVICE_ID) { |
| 1902 | if (hdr->frame_status14 & VRHSTAT_802OE) |
| 1903 | adapter->if_events.oflow802++; |
| 1904 | if (hdr->frame_status14 & VRHSTAT_TPOFLO) |
| 1905 | adapter->if_events.Tprtoflow++; |
| 1906 | if (hdr->frame_status_b14 & VRHSTATB_802UE) |
| 1907 | adapter->if_events.uflow802++; |
| 1908 | if (hdr->frame_status_b14 & VRHSTATB_RCVE) { |
| 1909 | adapter->if_events.rcvearly++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1910 | netdev->stats.rx_fifo_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1911 | } |
| 1912 | if (hdr->frame_status_b14 & VRHSTATB_BUFF) { |
| 1913 | adapter->if_events.Bufov++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1914 | netdev->stats.rx_over_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1915 | } |
| 1916 | if (hdr->frame_status_b14 & VRHSTATB_CARRE) { |
| 1917 | adapter->if_events.Carre++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1918 | netdev->stats.tx_carrier_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1919 | } |
| 1920 | if (hdr->frame_status_b14 & VRHSTATB_LONGE) |
| 1921 | adapter->if_events.Longe++; |
| 1922 | if (hdr->frame_status_b14 & VRHSTATB_PREA) |
| 1923 | adapter->if_events.Invp++; |
| 1924 | if (hdr->frame_status_b14 & VRHSTATB_CRC) { |
| 1925 | adapter->if_events.Crc++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1926 | netdev->stats.rx_crc_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1927 | } |
| 1928 | if (hdr->frame_status_b14 & VRHSTATB_DRBL) |
| 1929 | adapter->if_events.Drbl++; |
| 1930 | if (hdr->frame_status_b14 & VRHSTATB_CODE) |
| 1931 | adapter->if_events.Code++; |
| 1932 | if (hdr->frame_status_b14 & VRHSTATB_TPCSUM) |
| 1933 | adapter->if_events.TpCsum++; |
| 1934 | if (hdr->frame_status_b14 & VRHSTATB_TPHLEN) |
| 1935 | adapter->if_events.TpHlen++; |
| 1936 | if (hdr->frame_status_b14 & VRHSTATB_IPCSUM) |
| 1937 | adapter->if_events.IpCsum++; |
| 1938 | if (hdr->frame_status_b14 & VRHSTATB_IPLERR) |
| 1939 | adapter->if_events.IpLen++; |
| 1940 | if (hdr->frame_status_b14 & VRHSTATB_IPHERR) |
| 1941 | adapter->if_events.IpHlen++; |
| 1942 | } else { |
| 1943 | if (hdr->frame_statusGB & VGBSTAT_XPERR) { |
| 1944 | u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; |
| 1945 | |
| 1946 | if (xerr == VGBSTAT_XCSERR) |
| 1947 | adapter->if_events.TpCsum++; |
| 1948 | if (xerr == VGBSTAT_XUFLOW) |
| 1949 | adapter->if_events.Tprtoflow++; |
| 1950 | if (xerr == VGBSTAT_XHLEN) |
| 1951 | adapter->if_events.TpHlen++; |
| 1952 | } |
| 1953 | if (hdr->frame_statusGB & VGBSTAT_NETERR) { |
| 1954 | u32 nerr = |
| 1955 | (hdr-> |
| 1956 | frame_statusGB >> VGBSTAT_NERRSHFT) & |
| 1957 | VGBSTAT_NERRMSK; |
| 1958 | if (nerr == VGBSTAT_NCSERR) |
| 1959 | adapter->if_events.IpCsum++; |
| 1960 | if (nerr == VGBSTAT_NUFLOW) |
| 1961 | adapter->if_events.IpLen++; |
| 1962 | if (nerr == VGBSTAT_NHLEN) |
| 1963 | adapter->if_events.IpHlen++; |
| 1964 | } |
| 1965 | if (hdr->frame_statusGB & VGBSTAT_LNKERR) { |
| 1966 | u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; |
| 1967 | |
| 1968 | if (lerr == VGBSTAT_LDEARLY) |
| 1969 | adapter->if_events.rcvearly++; |
| 1970 | if (lerr == VGBSTAT_LBOFLO) |
| 1971 | adapter->if_events.Bufov++; |
| 1972 | if (lerr == VGBSTAT_LCODERR) |
| 1973 | adapter->if_events.Code++; |
| 1974 | if (lerr == VGBSTAT_LDBLNBL) |
| 1975 | adapter->if_events.Drbl++; |
| 1976 | if (lerr == VGBSTAT_LCRCERR) |
| 1977 | adapter->if_events.Crc++; |
| 1978 | if (lerr == VGBSTAT_LOFLO) |
| 1979 | adapter->if_events.oflow802++; |
| 1980 | if (lerr == VGBSTAT_LUFLO) |
| 1981 | adapter->if_events.uflow802++; |
| 1982 | } |
| 1983 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1984 | } |
| 1985 | |
| 1986 | #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000 |
| 1987 | #define M_FAST_PATH 0x0040 |
| 1988 | |
| 1989 | static void slic_rcv_handler(struct adapter *adapter) |
| 1990 | { |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1991 | struct net_device *netdev = adapter->netdev; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1992 | struct sk_buff *skb; |
| 1993 | struct slic_rcvbuf *rcvbuf; |
| 1994 | u32 frames = 0; |
| 1995 | |
| 1996 | while ((skb = slic_rcvqueue_getnext(adapter))) { |
| 1997 | u32 rx_bytes; |
| 1998 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1999 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
| 2000 | adapter->card->events++; |
| 2001 | if (rcvbuf->status & IRHDDR_ERR) { |
| 2002 | adapter->rx_errors++; |
| 2003 | slic_rcv_handle_error(adapter, rcvbuf); |
| 2004 | slic_rcvqueue_reinsert(adapter, skb); |
| 2005 | continue; |
| 2006 | } |
| 2007 | |
| 2008 | if (!slic_mac_filter(adapter, (struct ether_header *) |
| 2009 | rcvbuf->data)) { |
| 2010 | slic_rcvqueue_reinsert(adapter, skb); |
| 2011 | continue; |
| 2012 | } |
| 2013 | skb_pull(skb, SLIC_RCVBUF_HEADSIZE); |
| 2014 | rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK); |
| 2015 | skb_put(skb, rx_bytes); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 2016 | netdev->stats.rx_packets++; |
| 2017 | netdev->stats.rx_bytes += rx_bytes; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2018 | #if SLIC_OFFLOAD_IP_CHECKSUM |
| 2019 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2020 | #endif |
| 2021 | |
| 2022 | skb->dev = adapter->netdev; |
| 2023 | skb->protocol = eth_type_trans(skb, skb->dev); |
| 2024 | netif_rx(skb); |
| 2025 | |
| 2026 | ++frames; |
| 2027 | #if SLIC_INTERRUPT_PROCESS_LIMIT |
| 2028 | if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) { |
| 2029 | adapter->rcv_interrupt_yields++; |
| 2030 | break; |
| 2031 | } |
| 2032 | #endif |
| 2033 | } |
| 2034 | adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames); |
| 2035 | } |
| 2036 | |
| 2037 | static void slic_xmit_complete(struct adapter *adapter) |
| 2038 | { |
| 2039 | struct slic_hostcmd *hcmd; |
| 2040 | struct slic_rspbuf *rspbuf; |
| 2041 | u32 frames = 0; |
| 2042 | struct slic_handle_word slic_handle_word; |
| 2043 | |
| 2044 | do { |
| 2045 | rspbuf = slic_rspqueue_getnext(adapter); |
| 2046 | if (!rspbuf) |
| 2047 | break; |
| 2048 | adapter->xmit_completes++; |
| 2049 | adapter->card->events++; |
| 2050 | /* |
| 2051 | Get the complete host command buffer |
| 2052 | */ |
| 2053 | slic_handle_word.handle_token = rspbuf->hosthandle; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2054 | hcmd = |
| 2055 | (struct slic_hostcmd *) |
| 2056 | adapter->slic_handles[slic_handle_word.handle_index]. |
| 2057 | address; |
| 2058 | /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2059 | if (hcmd->type == SLIC_CMD_DUMB) { |
| 2060 | if (hcmd->skb) |
| 2061 | dev_kfree_skb_irq(hcmd->skb); |
| 2062 | slic_cmdq_putdone_irq(adapter, hcmd); |
| 2063 | } |
| 2064 | rspbuf->status = 0; |
| 2065 | rspbuf->hosthandle = 0; |
| 2066 | frames++; |
| 2067 | } while (1); |
| 2068 | adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames); |
| 2069 | } |
| 2070 | |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2071 | static void slic_interrupt_card_up(u32 isr, struct adapter *adapter, |
| 2072 | struct net_device *dev) |
| 2073 | { |
| 2074 | if (isr & ~ISR_IO) { |
| 2075 | if (isr & ISR_ERR) { |
| 2076 | adapter->error_interrupts++; |
| 2077 | if (isr & ISR_RMISS) { |
| 2078 | int count; |
| 2079 | int pre_count; |
| 2080 | int errors; |
| 2081 | |
| 2082 | struct slic_rcvqueue *rcvq = |
| 2083 | &adapter->rcvqueue; |
| 2084 | |
| 2085 | adapter->error_rmiss_interrupts++; |
| 2086 | |
| 2087 | if (!rcvq->errors) |
| 2088 | rcv_count = rcvq->count; |
| 2089 | pre_count = rcvq->count; |
| 2090 | errors = rcvq->errors; |
| 2091 | |
| 2092 | while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { |
| 2093 | count = slic_rcvqueue_fill(adapter); |
| 2094 | if (!count) |
| 2095 | break; |
| 2096 | } |
| 2097 | } else if (isr & ISR_XDROP) { |
| 2098 | dev_err(&dev->dev, |
Monam Agarwal | 2a27515 | 2014-02-28 00:44:39 +0530 | [diff] [blame] | 2099 | "isr & ISR_ERR [%x] ISR_XDROP\n", isr); |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2100 | } else { |
| 2101 | dev_err(&dev->dev, |
| 2102 | "isr & ISR_ERR [%x]\n", |
| 2103 | isr); |
| 2104 | } |
| 2105 | } |
| 2106 | |
| 2107 | if (isr & ISR_LEVENT) { |
| 2108 | adapter->linkevent_interrupts++; |
| 2109 | slic_link_event_handler(adapter); |
| 2110 | } |
| 2111 | |
| 2112 | if ((isr & ISR_UPC) || (isr & ISR_UPCERR) || |
| 2113 | (isr & ISR_UPCBSY)) { |
| 2114 | adapter->upr_interrupts++; |
| 2115 | slic_upr_request_complete(adapter, isr); |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | if (isr & ISR_RCV) { |
| 2120 | adapter->rcv_interrupts++; |
| 2121 | slic_rcv_handler(adapter); |
| 2122 | } |
| 2123 | |
| 2124 | if (isr & ISR_CMD) { |
| 2125 | adapter->xmit_interrupts++; |
| 2126 | slic_xmit_complete(adapter); |
| 2127 | } |
| 2128 | } |
| 2129 | |
| 2130 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2131 | static irqreturn_t slic_interrupt(int irq, void *dev_id) |
| 2132 | { |
| 2133 | struct net_device *dev = (struct net_device *)dev_id; |
| 2134 | struct adapter *adapter = netdev_priv(dev); |
| 2135 | u32 isr; |
| 2136 | |
| 2137 | if ((adapter->pshmem) && (adapter->pshmem->isr)) { |
| 2138 | slic_reg32_write(&adapter->slic_regs->slic_icr, |
| 2139 | ICR_INT_MASK, FLUSH); |
| 2140 | isr = adapter->isrcopy = adapter->pshmem->isr; |
| 2141 | adapter->pshmem->isr = 0; |
| 2142 | adapter->num_isrs++; |
| 2143 | switch (adapter->card->state) { |
| 2144 | case CARD_UP: |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2145 | slic_interrupt_card_up(isr, adapter, dev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2146 | break; |
| 2147 | |
| 2148 | case CARD_DOWN: |
| 2149 | if ((isr & ISR_UPC) || |
| 2150 | (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { |
| 2151 | adapter->upr_interrupts++; |
| 2152 | slic_upr_request_complete(adapter, isr); |
| 2153 | } |
| 2154 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2155 | } |
| 2156 | |
| 2157 | adapter->isrcopy = 0; |
| 2158 | adapter->all_reg_writes += 2; |
| 2159 | adapter->isr_reg_writes++; |
| 2160 | slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH); |
| 2161 | } else { |
| 2162 | adapter->false_interrupts++; |
| 2163 | } |
| 2164 | return IRQ_HANDLED; |
| 2165 | } |
| 2166 | |
| 2167 | #define NORMAL_ETHFRAME 0 |
| 2168 | |
| 2169 | static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev) |
| 2170 | { |
| 2171 | struct sliccard *card; |
| 2172 | struct adapter *adapter = netdev_priv(dev); |
| 2173 | struct slic_hostcmd *hcmd = NULL; |
| 2174 | u32 status = 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2175 | void *offloadcmd = NULL; |
| 2176 | |
| 2177 | card = adapter->card; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2178 | if ((adapter->linkstate != LINK_UP) || |
| 2179 | (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) { |
| 2180 | status = XMIT_FAIL_LINK_STATE; |
| 2181 | goto xmit_fail; |
| 2182 | |
| 2183 | } else if (skb->len == 0) { |
| 2184 | status = XMIT_FAIL_ZERO_LENGTH; |
| 2185 | goto xmit_fail; |
| 2186 | } |
| 2187 | |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2188 | hcmd = slic_cmdq_getfree(adapter); |
| 2189 | if (!hcmd) { |
| 2190 | adapter->xmitq_full = 1; |
| 2191 | status = XMIT_FAIL_HOSTCMD_FAIL; |
| 2192 | goto xmit_fail; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2193 | } |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2194 | hcmd->skb = skb; |
| 2195 | hcmd->busy = 1; |
| 2196 | hcmd->type = SLIC_CMD_DUMB; |
| 2197 | slic_xmit_build_request(adapter, hcmd, skb); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 2198 | dev->stats.tx_packets++; |
| 2199 | dev->stats.tx_bytes += skb->len; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2200 | |
| 2201 | #ifdef DEBUG_DUMP |
| 2202 | if (adapter->kill_card) { |
| 2203 | struct slic_host64_cmd ihcmd; |
| 2204 | |
| 2205 | ihcmd = &hcmd->cmd64; |
| 2206 | |
| 2207 | ihcmd->flags |= 0x40; |
| 2208 | adapter->kill_card = 0; /* only do this once */ |
| 2209 | } |
| 2210 | #endif |
| 2211 | if (hcmd->paddrh == 0) { |
| 2212 | slic_reg32_write(&adapter->slic_regs->slic_cbar, |
| 2213 | (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH); |
| 2214 | } else { |
| 2215 | slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64, |
| 2216 | (hcmd->paddrl | hcmd->cmdsize), |
| 2217 | &adapter->slic_regs->slic_addr_upper, |
| 2218 | hcmd->paddrh, DONT_FLUSH); |
| 2219 | } |
| 2220 | xmit_done: |
| 2221 | return NETDEV_TX_OK; |
| 2222 | xmit_fail: |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2223 | slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2224 | goto xmit_done; |
| 2225 | } |
| 2226 | |
| 2227 | |
| 2228 | static void slic_adapter_freeresources(struct adapter *adapter) |
| 2229 | { |
| 2230 | slic_init_cleanup(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2231 | adapter->error_interrupts = 0; |
| 2232 | adapter->rcv_interrupts = 0; |
| 2233 | adapter->xmit_interrupts = 0; |
| 2234 | adapter->linkevent_interrupts = 0; |
| 2235 | adapter->upr_interrupts = 0; |
| 2236 | adapter->num_isrs = 0; |
| 2237 | adapter->xmit_completes = 0; |
| 2238 | adapter->rcv_broadcasts = 0; |
| 2239 | adapter->rcv_multicasts = 0; |
| 2240 | adapter->rcv_unicasts = 0; |
| 2241 | } |
| 2242 | |
| 2243 | static int slic_adapter_allocresources(struct adapter *adapter) |
| 2244 | { |
| 2245 | if (!adapter->intrregistered) { |
| 2246 | int retval; |
| 2247 | |
| 2248 | spin_unlock_irqrestore(&slic_global.driver_lock.lock, |
| 2249 | slic_global.driver_lock.flags); |
| 2250 | |
| 2251 | retval = request_irq(adapter->netdev->irq, |
| 2252 | &slic_interrupt, |
| 2253 | IRQF_SHARED, |
| 2254 | adapter->netdev->name, adapter->netdev); |
| 2255 | |
| 2256 | spin_lock_irqsave(&slic_global.driver_lock.lock, |
| 2257 | slic_global.driver_lock.flags); |
| 2258 | |
| 2259 | if (retval) { |
| 2260 | dev_err(&adapter->netdev->dev, |
| 2261 | "request_irq (%s) FAILED [%x]\n", |
| 2262 | adapter->netdev->name, retval); |
| 2263 | return retval; |
| 2264 | } |
| 2265 | adapter->intrregistered = 1; |
| 2266 | } |
| 2267 | return 0; |
| 2268 | } |
| 2269 | |
| 2270 | /* |
| 2271 | * slic_if_init |
| 2272 | * |
| 2273 | * Perform initialization of our slic interface. |
| 2274 | * |
| 2275 | */ |
| 2276 | static int slic_if_init(struct adapter *adapter) |
| 2277 | { |
| 2278 | struct sliccard *card = adapter->card; |
| 2279 | struct net_device *dev = adapter->netdev; |
| 2280 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 2281 | struct slic_shmem *pshmem; |
| 2282 | int rc; |
| 2283 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2284 | /* adapter should be down at this point */ |
| 2285 | if (adapter->state != ADAPT_DOWN) { |
| 2286 | dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n", |
| 2287 | __func__); |
| 2288 | rc = -EIO; |
| 2289 | goto err; |
| 2290 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2291 | |
| 2292 | adapter->devflags_prev = dev->flags; |
| 2293 | adapter->macopts = MAC_DIRECTED; |
| 2294 | if (dev->flags) { |
| 2295 | if (dev->flags & IFF_BROADCAST) |
| 2296 | adapter->macopts |= MAC_BCAST; |
| 2297 | if (dev->flags & IFF_PROMISC) |
| 2298 | adapter->macopts |= MAC_PROMISC; |
| 2299 | if (dev->flags & IFF_ALLMULTI) |
| 2300 | adapter->macopts |= MAC_ALLMCAST; |
| 2301 | if (dev->flags & IFF_MULTICAST) |
| 2302 | adapter->macopts |= MAC_MCAST; |
| 2303 | } |
| 2304 | rc = slic_adapter_allocresources(adapter); |
| 2305 | if (rc) { |
| 2306 | dev_err(&dev->dev, |
| 2307 | "%s: slic_adapter_allocresources FAILED %x\n", |
| 2308 | __func__, rc); |
| 2309 | slic_adapter_freeresources(adapter); |
| 2310 | goto err; |
| 2311 | } |
| 2312 | |
| 2313 | if (!adapter->queues_initialized) { |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2314 | rc = slic_rspqueue_init(adapter); |
| 2315 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2316 | goto err; |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2317 | rc = slic_cmdq_init(adapter); |
| 2318 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2319 | goto err; |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2320 | rc = slic_rcvqueue_init(adapter); |
| 2321 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2322 | goto err; |
| 2323 | adapter->queues_initialized = 1; |
| 2324 | } |
| 2325 | |
| 2326 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2327 | mdelay(1); |
| 2328 | |
| 2329 | if (!adapter->isp_initialized) { |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 2330 | pshmem = (struct slic_shmem *)(unsigned long) |
| 2331 | adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2332 | |
| 2333 | spin_lock_irqsave(&adapter->bit64reglock.lock, |
| 2334 | adapter->bit64reglock.flags); |
| 2335 | |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 2336 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2337 | slic_reg32_write(&slic_regs->slic_addr_upper, |
| 2338 | SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); |
| 2339 | slic_reg32_write(&slic_regs->slic_isp, |
| 2340 | SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 2341 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2342 | slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH); |
| 2343 | slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr, FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2344 | #endif |
| 2345 | spin_unlock_irqrestore(&adapter->bit64reglock.lock, |
| 2346 | adapter->bit64reglock.flags); |
| 2347 | adapter->isp_initialized = 1; |
| 2348 | } |
| 2349 | |
| 2350 | adapter->state = ADAPT_UP; |
| 2351 | if (!card->loadtimerset) { |
| 2352 | init_timer(&card->loadtimer); |
| 2353 | card->loadtimer.expires = |
| 2354 | jiffies + (SLIC_LOADTIMER_PERIOD * HZ); |
| 2355 | card->loadtimer.data = (ulong) card; |
| 2356 | card->loadtimer.function = &slic_timer_load_check; |
| 2357 | add_timer(&card->loadtimer); |
| 2358 | |
| 2359 | card->loadtimerset = 1; |
| 2360 | } |
| 2361 | |
| 2362 | if (!adapter->pingtimerset) { |
| 2363 | init_timer(&adapter->pingtimer); |
| 2364 | adapter->pingtimer.expires = |
| 2365 | jiffies + (PING_TIMER_INTERVAL * HZ); |
| 2366 | adapter->pingtimer.data = (ulong) dev; |
| 2367 | adapter->pingtimer.function = &slic_timer_ping; |
| 2368 | add_timer(&adapter->pingtimer); |
| 2369 | adapter->pingtimerset = 1; |
| 2370 | adapter->card->pingstatus = ISR_PINGMASK; |
| 2371 | } |
| 2372 | |
| 2373 | /* |
| 2374 | * clear any pending events, then enable interrupts |
| 2375 | */ |
| 2376 | adapter->isrcopy = 0; |
| 2377 | adapter->pshmem->isr = 0; |
| 2378 | slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH); |
| 2379 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH); |
| 2380 | |
| 2381 | slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD); |
| 2382 | slic_link_event_handler(adapter); |
| 2383 | |
| 2384 | err: |
| 2385 | return rc; |
| 2386 | } |
| 2387 | |
| 2388 | static int slic_entry_open(struct net_device *dev) |
| 2389 | { |
| 2390 | struct adapter *adapter = netdev_priv(dev); |
| 2391 | struct sliccard *card = adapter->card; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2392 | int status; |
| 2393 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2394 | netif_stop_queue(adapter->netdev); |
| 2395 | |
| 2396 | spin_lock_irqsave(&slic_global.driver_lock.lock, |
| 2397 | slic_global.driver_lock.flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2398 | if (!adapter->activated) { |
| 2399 | card->adapters_activated++; |
| 2400 | slic_global.num_slic_ports_active++; |
| 2401 | adapter->activated = 1; |
| 2402 | } |
| 2403 | status = slic_if_init(adapter); |
| 2404 | |
| 2405 | if (status != 0) { |
| 2406 | if (adapter->activated) { |
| 2407 | card->adapters_activated--; |
| 2408 | slic_global.num_slic_ports_active--; |
| 2409 | adapter->activated = 0; |
| 2410 | } |
Devendra Naga | 7132996 | 2012-09-05 15:33:48 +0530 | [diff] [blame] | 2411 | goto spin_unlock; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2412 | } |
| 2413 | if (!card->master) |
| 2414 | card->master = adapter; |
| 2415 | |
Devendra Naga | 7132996 | 2012-09-05 15:33:48 +0530 | [diff] [blame] | 2416 | spin_unlock: |
| 2417 | spin_unlock_irqrestore(&slic_global.driver_lock.lock, |
| 2418 | slic_global.driver_lock.flags); |
| 2419 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2420 | } |
| 2421 | |
| 2422 | static void slic_card_cleanup(struct sliccard *card) |
| 2423 | { |
| 2424 | if (card->loadtimerset) { |
| 2425 | card->loadtimerset = 0; |
Kirill Tkhai | 161737a6 | 2014-02-10 22:36:23 +0400 | [diff] [blame] | 2426 | del_timer_sync(&card->loadtimer); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2427 | } |
| 2428 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2429 | kfree(card); |
| 2430 | } |
| 2431 | |
Bill Pemberton | ecb4f38 | 2012-11-19 13:26:48 -0500 | [diff] [blame] | 2432 | static void slic_entry_remove(struct pci_dev *pcidev) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2433 | { |
| 2434 | struct net_device *dev = pci_get_drvdata(pcidev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2435 | struct adapter *adapter = netdev_priv(dev); |
| 2436 | struct sliccard *card; |
| 2437 | struct mcast_address *mcaddr, *mlist; |
| 2438 | |
David Matlack | dedabbb | 2014-05-05 21:02:37 -0700 | [diff] [blame] | 2439 | unregister_netdev(dev); |
| 2440 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2441 | slic_adapter_freeresources(adapter); |
| 2442 | slic_unmap_mmio_space(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2443 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2444 | /* free multicast addresses */ |
| 2445 | mlist = adapter->mcastaddrs; |
| 2446 | while (mlist) { |
| 2447 | mcaddr = mlist; |
| 2448 | mlist = mlist->next; |
| 2449 | kfree(mcaddr); |
| 2450 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2451 | card = adapter->card; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2452 | card->adapters_allocated--; |
| 2453 | adapter->allocated = 0; |
| 2454 | if (!card->adapters_allocated) { |
| 2455 | struct sliccard *curr_card = slic_global.slic_card; |
Quentin Lambert | 0d0e9d9 | 2014-08-04 21:10:24 +0200 | [diff] [blame] | 2456 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2457 | if (curr_card == card) { |
| 2458 | slic_global.slic_card = card->next; |
| 2459 | } else { |
| 2460 | while (curr_card->next != card) |
| 2461 | curr_card = curr_card->next; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2462 | curr_card->next = card->next; |
| 2463 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2464 | slic_global.num_slic_cards--; |
| 2465 | slic_card_cleanup(card); |
| 2466 | } |
Vasiliy Kulikov | 20caa14 | 2010-09-28 21:08:08 +0400 | [diff] [blame] | 2467 | free_netdev(dev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2468 | pci_release_regions(pcidev); |
Devendra Naga | d99b5ac | 2012-07-11 11:54:15 +0545 | [diff] [blame] | 2469 | pci_disable_device(pcidev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2470 | } |
| 2471 | |
| 2472 | static int slic_entry_halt(struct net_device *dev) |
| 2473 | { |
| 2474 | struct adapter *adapter = netdev_priv(dev); |
| 2475 | struct sliccard *card = adapter->card; |
| 2476 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 2477 | |
| 2478 | spin_lock_irqsave(&slic_global.driver_lock.lock, |
| 2479 | slic_global.driver_lock.flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2480 | netif_stop_queue(adapter->netdev); |
| 2481 | adapter->state = ADAPT_DOWN; |
| 2482 | adapter->linkstate = LINK_DOWN; |
| 2483 | adapter->upr_list = NULL; |
| 2484 | adapter->upr_busy = 0; |
| 2485 | adapter->devflags_prev = 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2486 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2487 | adapter->all_reg_writes++; |
| 2488 | adapter->icr_reg_writes++; |
| 2489 | slic_config_clear(adapter); |
| 2490 | if (adapter->activated) { |
| 2491 | card->adapters_activated--; |
| 2492 | slic_global.num_slic_ports_active--; |
| 2493 | adapter->activated = 0; |
| 2494 | } |
| 2495 | #ifdef AUTOMATIC_RESET |
| 2496 | slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH); |
| 2497 | #endif |
| 2498 | /* |
| 2499 | * Reset the adapter's cmd queues |
| 2500 | */ |
| 2501 | slic_cmdq_reset(adapter); |
| 2502 | |
| 2503 | #ifdef AUTOMATIC_RESET |
| 2504 | if (!card->adapters_activated) |
| 2505 | slic_card_init(card, adapter); |
| 2506 | #endif |
| 2507 | |
| 2508 | spin_unlock_irqrestore(&slic_global.driver_lock.lock, |
| 2509 | slic_global.driver_lock.flags); |
| 2510 | return 0; |
| 2511 | } |
| 2512 | |
| 2513 | static struct net_device_stats *slic_get_stats(struct net_device *dev) |
| 2514 | { |
| 2515 | struct adapter *adapter = netdev_priv(dev); |
| 2516 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2517 | dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions; |
| 2518 | dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors; |
| 2519 | dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors; |
| 2520 | dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards; |
| 2521 | dev->stats.tx_heartbeat_errors = 0; |
| 2522 | dev->stats.tx_aborted_errors = 0; |
| 2523 | dev->stats.tx_window_errors = 0; |
| 2524 | dev->stats.tx_fifo_errors = 0; |
| 2525 | dev->stats.rx_frame_errors = 0; |
| 2526 | dev->stats.rx_length_errors = 0; |
| 2527 | |
| 2528 | return &dev->stats; |
| 2529 | } |
| 2530 | |
| 2531 | static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 2532 | { |
| 2533 | struct adapter *adapter = netdev_priv(dev); |
| 2534 | struct ethtool_cmd edata; |
| 2535 | struct ethtool_cmd ecmd; |
| 2536 | u32 data[7]; |
| 2537 | u32 intagg; |
| 2538 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2539 | switch (cmd) { |
| 2540 | case SIOCSLICSETINTAGG: |
| 2541 | if (copy_from_user(data, rq->ifr_data, 28)) |
| 2542 | return -EFAULT; |
| 2543 | intagg = data[0]; |
| 2544 | dev_err(&dev->dev, "%s: set interrupt aggregation to %d\n", |
| 2545 | __func__, intagg); |
| 2546 | slic_intagg_set(adapter, intagg); |
| 2547 | return 0; |
| 2548 | |
| 2549 | #ifdef SLIC_TRACE_DUMP_ENABLED |
| 2550 | case SIOCSLICTRACEDUMP: |
| 2551 | { |
| 2552 | u32 value; |
Quentin Lambert | 0d0e9d9 | 2014-08-04 21:10:24 +0200 | [diff] [blame] | 2553 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2554 | DBG_IOCTL("slic_ioctl SIOCSLIC_TRACE_DUMP\n"); |
| 2555 | |
| 2556 | if (copy_from_user(data, rq->ifr_data, 28)) { |
| 2557 | PRINT_ERROR |
| 2558 | ("slic: copy_from_user FAILED getting initial simba param\n"); |
| 2559 | return -EFAULT; |
| 2560 | } |
| 2561 | |
| 2562 | value = data[0]; |
| 2563 | if (tracemon_request == SLIC_DUMP_DONE) { |
| 2564 | PRINT_ERROR |
| 2565 | ("ATK Diagnostic Trace Dump Requested\n"); |
| 2566 | tracemon_request = SLIC_DUMP_REQUESTED; |
| 2567 | tracemon_request_type = value; |
| 2568 | tracemon_timestamp = jiffies; |
| 2569 | } else if ((tracemon_request == SLIC_DUMP_REQUESTED) || |
| 2570 | (tracemon_request == |
| 2571 | SLIC_DUMP_IN_PROGRESS)) { |
| 2572 | PRINT_ERROR |
| 2573 | ("ATK Diagnostic Trace Dump Requested but already in progress... ignore\n"); |
| 2574 | } else { |
| 2575 | PRINT_ERROR |
| 2576 | ("ATK Diagnostic Trace Dump Requested\n"); |
| 2577 | tracemon_request = SLIC_DUMP_REQUESTED; |
| 2578 | tracemon_request_type = value; |
| 2579 | tracemon_timestamp = jiffies; |
| 2580 | } |
| 2581 | return 0; |
| 2582 | } |
| 2583 | #endif |
| 2584 | case SIOCETHTOOL: |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2585 | if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd))) |
| 2586 | return -EFAULT; |
| 2587 | |
| 2588 | if (ecmd.cmd == ETHTOOL_GSET) { |
Dan Carpenter | 986d758 | 2013-04-04 09:29:42 +0300 | [diff] [blame] | 2589 | memset(&edata, 0, sizeof(edata)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2590 | edata.supported = (SUPPORTED_10baseT_Half | |
| 2591 | SUPPORTED_10baseT_Full | |
| 2592 | SUPPORTED_100baseT_Half | |
| 2593 | SUPPORTED_100baseT_Full | |
| 2594 | SUPPORTED_Autoneg | SUPPORTED_MII); |
| 2595 | edata.port = PORT_MII; |
| 2596 | edata.transceiver = XCVR_INTERNAL; |
| 2597 | edata.phy_address = 0; |
| 2598 | if (adapter->linkspeed == LINK_100MB) |
| 2599 | edata.speed = SPEED_100; |
| 2600 | else if (adapter->linkspeed == LINK_10MB) |
| 2601 | edata.speed = SPEED_10; |
| 2602 | else |
| 2603 | edata.speed = 0; |
| 2604 | |
| 2605 | if (adapter->linkduplex == LINK_FULLD) |
| 2606 | edata.duplex = DUPLEX_FULL; |
| 2607 | else |
| 2608 | edata.duplex = DUPLEX_HALF; |
| 2609 | |
| 2610 | edata.autoneg = AUTONEG_ENABLE; |
| 2611 | edata.maxtxpkt = 1; |
| 2612 | edata.maxrxpkt = 1; |
| 2613 | if (copy_to_user(rq->ifr_data, &edata, sizeof(edata))) |
| 2614 | return -EFAULT; |
| 2615 | |
| 2616 | } else if (ecmd.cmd == ETHTOOL_SSET) { |
| 2617 | if (!capable(CAP_NET_ADMIN)) |
| 2618 | return -EPERM; |
| 2619 | |
| 2620 | if (adapter->linkspeed == LINK_100MB) |
| 2621 | edata.speed = SPEED_100; |
| 2622 | else if (adapter->linkspeed == LINK_10MB) |
| 2623 | edata.speed = SPEED_10; |
| 2624 | else |
| 2625 | edata.speed = 0; |
| 2626 | |
| 2627 | if (adapter->linkduplex == LINK_FULLD) |
| 2628 | edata.duplex = DUPLEX_FULL; |
| 2629 | else |
| 2630 | edata.duplex = DUPLEX_HALF; |
| 2631 | |
| 2632 | edata.autoneg = AUTONEG_ENABLE; |
| 2633 | edata.maxtxpkt = 1; |
| 2634 | edata.maxrxpkt = 1; |
| 2635 | if ((ecmd.speed != edata.speed) || |
| 2636 | (ecmd.duplex != edata.duplex)) { |
| 2637 | u32 speed; |
| 2638 | u32 duplex; |
| 2639 | |
| 2640 | if (ecmd.speed == SPEED_10) |
| 2641 | speed = 0; |
| 2642 | else |
| 2643 | speed = PCR_SPEED_100; |
| 2644 | if (ecmd.duplex == DUPLEX_FULL) |
| 2645 | duplex = PCR_DUPLEX_FULL; |
| 2646 | else |
| 2647 | duplex = 0; |
| 2648 | slic_link_config(adapter, speed, duplex); |
| 2649 | slic_link_event_handler(adapter); |
| 2650 | } |
| 2651 | } |
| 2652 | return 0; |
| 2653 | default: |
| 2654 | return -EOPNOTSUPP; |
| 2655 | } |
| 2656 | } |
| 2657 | |
| 2658 | static void slic_config_pci(struct pci_dev *pcidev) |
| 2659 | { |
| 2660 | u16 pci_command; |
| 2661 | u16 new_command; |
| 2662 | |
| 2663 | pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); |
| 2664 | |
| 2665 | new_command = pci_command | PCI_COMMAND_MASTER |
| 2666 | | PCI_COMMAND_MEMORY |
| 2667 | | PCI_COMMAND_INVALIDATE |
| 2668 | | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; |
| 2669 | if (pci_command != new_command) |
| 2670 | pci_write_config_word(pcidev, PCI_COMMAND, new_command); |
| 2671 | } |
| 2672 | |
| 2673 | static int slic_card_init(struct sliccard *card, struct adapter *adapter) |
| 2674 | { |
| 2675 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 2676 | struct slic_eeprom *peeprom; |
| 2677 | struct oslic_eeprom *pOeeprom; |
| 2678 | dma_addr_t phys_config; |
| 2679 | u32 phys_configh; |
| 2680 | u32 phys_configl; |
| 2681 | u32 i = 0; |
| 2682 | struct slic_shmem *pshmem; |
| 2683 | int status; |
| 2684 | uint macaddrs = card->card_size; |
| 2685 | ushort eecodesize; |
| 2686 | ushort dramsize; |
| 2687 | ushort ee_chksum; |
| 2688 | ushort calc_chksum; |
| 2689 | struct slic_config_mac *pmac; |
| 2690 | unsigned char fruformat; |
| 2691 | unsigned char oemfruformat; |
| 2692 | struct atk_fru *patkfru; |
| 2693 | union oemfru *poemfru; |
| 2694 | |
| 2695 | /* Reset everything except PCI configuration space */ |
| 2696 | slic_soft_reset(adapter); |
| 2697 | |
| 2698 | /* Download the microcode */ |
| 2699 | status = slic_card_download(adapter); |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2700 | if (status) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2701 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2702 | |
| 2703 | if (!card->config_set) { |
| 2704 | peeprom = pci_alloc_consistent(adapter->pcidev, |
| 2705 | sizeof(struct slic_eeprom), |
| 2706 | &phys_config); |
| 2707 | |
| 2708 | phys_configl = SLIC_GET_ADDR_LOW(phys_config); |
| 2709 | phys_configh = SLIC_GET_ADDR_HIGH(phys_config); |
| 2710 | |
| 2711 | if (!peeprom) { |
| 2712 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2713 | "Failed to allocate DMA memory for EEPROM.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2714 | return -ENOMEM; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2715 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 2716 | |
| 2717 | memset(peeprom, 0, sizeof(struct slic_eeprom)); |
| 2718 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2719 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2720 | mdelay(1); |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 2721 | pshmem = (struct slic_shmem *)(unsigned long) |
| 2722 | adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2723 | |
| 2724 | spin_lock_irqsave(&adapter->bit64reglock.lock, |
| 2725 | adapter->bit64reglock.flags); |
David Matlack | 0783c63 | 2014-05-05 21:02:36 -0700 | [diff] [blame] | 2726 | slic_reg32_write(&slic_regs->slic_addr_upper, |
| 2727 | SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2728 | slic_reg32_write(&slic_regs->slic_isp, |
| 2729 | SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); |
| 2730 | spin_unlock_irqrestore(&adapter->bit64reglock.lock, |
| 2731 | adapter->bit64reglock.flags); |
| 2732 | |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2733 | status = slic_config_get(adapter, phys_configl, phys_configh); |
| 2734 | if (status) { |
| 2735 | dev_err(&adapter->pcidev->dev, |
| 2736 | "Failed to fetch config data from device.\n"); |
| 2737 | goto card_init_err; |
| 2738 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2739 | |
| 2740 | for (;;) { |
| 2741 | if (adapter->pshmem->isr) { |
| 2742 | if (adapter->pshmem->isr & ISR_UPC) { |
| 2743 | adapter->pshmem->isr = 0; |
| 2744 | slic_reg64_write(adapter, |
| 2745 | &slic_regs->slic_isp, 0, |
| 2746 | &slic_regs->slic_addr_upper, |
| 2747 | 0, FLUSH); |
| 2748 | slic_reg32_write(&slic_regs->slic_isr, |
| 2749 | 0, FLUSH); |
| 2750 | |
| 2751 | slic_upr_request_complete(adapter, 0); |
| 2752 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2753 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 2754 | |
| 2755 | adapter->pshmem->isr = 0; |
| 2756 | slic_reg32_write(&slic_regs->slic_isr, |
| 2757 | 0, FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2758 | } else { |
| 2759 | mdelay(1); |
| 2760 | i++; |
| 2761 | if (i > 5000) { |
| 2762 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2763 | "Fetch of config data timed out.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2764 | slic_reg64_write(adapter, |
| 2765 | &slic_regs->slic_isp, 0, |
| 2766 | &slic_regs->slic_addr_upper, |
| 2767 | 0, FLUSH); |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2768 | status = -EINVAL; |
| 2769 | goto card_init_err; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2770 | } |
| 2771 | } |
| 2772 | } |
| 2773 | |
| 2774 | switch (adapter->devid) { |
| 2775 | /* Oasis card */ |
| 2776 | case SLIC_2GB_DEVICE_ID: |
| 2777 | /* extract EEPROM data and pointers to EEPROM data */ |
| 2778 | pOeeprom = (struct oslic_eeprom *) peeprom; |
| 2779 | eecodesize = pOeeprom->EecodeSize; |
| 2780 | dramsize = pOeeprom->DramSize; |
| 2781 | pmac = pOeeprom->MacInfo; |
| 2782 | fruformat = pOeeprom->FruFormat; |
| 2783 | patkfru = &pOeeprom->AtkFru; |
| 2784 | oemfruformat = pOeeprom->OemFruFormat; |
| 2785 | poemfru = &pOeeprom->OemFru; |
| 2786 | macaddrs = 2; |
| 2787 | /* Minor kludge for Oasis card |
| 2788 | get 2 MAC addresses from the |
| 2789 | EEPROM to ensure that function 1 |
| 2790 | gets the Port 1 MAC address */ |
| 2791 | break; |
| 2792 | default: |
| 2793 | /* extract EEPROM data and pointers to EEPROM data */ |
| 2794 | eecodesize = peeprom->EecodeSize; |
| 2795 | dramsize = peeprom->DramSize; |
| 2796 | pmac = peeprom->u2.mac.MacInfo; |
| 2797 | fruformat = peeprom->FruFormat; |
| 2798 | patkfru = &peeprom->AtkFru; |
| 2799 | oemfruformat = peeprom->OemFruFormat; |
| 2800 | poemfru = &peeprom->OemFru; |
| 2801 | break; |
| 2802 | } |
| 2803 | |
| 2804 | card->config.EepromValid = false; |
| 2805 | |
| 2806 | /* see if the EEPROM is valid by checking it's checksum */ |
| 2807 | if ((eecodesize <= MAX_EECODE_SIZE) && |
| 2808 | (eecodesize >= MIN_EECODE_SIZE)) { |
| 2809 | |
| 2810 | ee_chksum = |
| 2811 | *(u16 *) ((char *) peeprom + (eecodesize - 2)); |
| 2812 | /* |
| 2813 | calculate the EEPROM checksum |
| 2814 | */ |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 2815 | calc_chksum = slic_eeprom_cksum(peeprom, |
| 2816 | eecodesize - 2); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2817 | /* |
| 2818 | if the ucdoe chksum flag bit worked, |
Cruz Julian Bishop | 7864a0a | 2013-01-14 12:29:07 +1000 | [diff] [blame] | 2819 | we wouldn't need this |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2820 | */ |
| 2821 | if (ee_chksum == calc_chksum) |
| 2822 | card->config.EepromValid = true; |
| 2823 | } |
| 2824 | /* copy in the DRAM size */ |
| 2825 | card->config.DramSize = dramsize; |
| 2826 | |
| 2827 | /* copy in the MAC address(es) */ |
| 2828 | for (i = 0; i < macaddrs; i++) { |
| 2829 | memcpy(&card->config.MacInfo[i], |
| 2830 | &pmac[i], sizeof(struct slic_config_mac)); |
| 2831 | } |
| 2832 | |
| 2833 | /* copy the Alacritech FRU information */ |
| 2834 | card->config.FruFormat = fruformat; |
| 2835 | memcpy(&card->config.AtkFru, patkfru, |
| 2836 | sizeof(struct atk_fru)); |
| 2837 | |
| 2838 | pci_free_consistent(adapter->pcidev, |
| 2839 | sizeof(struct slic_eeprom), |
| 2840 | peeprom, phys_config); |
| 2841 | |
David Matlack | 28277a5 | 2014-05-19 22:04:00 -0700 | [diff] [blame] | 2842 | if (!card->config.EepromValid) { |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2843 | slic_reg64_write(adapter, &slic_regs->slic_isp, 0, |
| 2844 | &slic_regs->slic_addr_upper, |
| 2845 | 0, FLUSH); |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2846 | dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2847 | return -EINVAL; |
| 2848 | } |
| 2849 | |
| 2850 | card->config_set = 1; |
| 2851 | } |
| 2852 | |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2853 | status = slic_card_download_gbrcv(adapter); |
| 2854 | if (status) |
| 2855 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2856 | |
| 2857 | if (slic_global.dynamic_intagg) |
| 2858 | slic_intagg_set(adapter, 0); |
| 2859 | else |
| 2860 | slic_intagg_set(adapter, intagg_delay); |
| 2861 | |
| 2862 | /* |
| 2863 | * Initialize ping status to "ok" |
| 2864 | */ |
| 2865 | card->pingstatus = ISR_PINGMASK; |
| 2866 | |
| 2867 | /* |
| 2868 | * Lastly, mark our card state as up and return success |
| 2869 | */ |
| 2870 | card->state = CARD_UP; |
| 2871 | card->reset_in_progress = 0; |
| 2872 | |
| 2873 | return 0; |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2874 | |
| 2875 | card_init_err: |
| 2876 | pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom), |
| 2877 | peeprom, phys_config); |
| 2878 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2879 | } |
| 2880 | |
| 2881 | static void slic_init_driver(void) |
| 2882 | { |
| 2883 | if (slic_first_init) { |
| 2884 | slic_first_init = 0; |
| 2885 | spin_lock_init(&slic_global.driver_lock.lock); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2886 | } |
| 2887 | } |
| 2888 | |
| 2889 | static void slic_init_adapter(struct net_device *netdev, |
| 2890 | struct pci_dev *pcidev, |
| 2891 | const struct pci_device_id *pci_tbl_entry, |
| 2892 | void __iomem *memaddr, int chip_idx) |
| 2893 | { |
| 2894 | ushort index; |
| 2895 | struct slic_handle *pslic_handle; |
| 2896 | struct adapter *adapter = netdev_priv(netdev); |
| 2897 | |
| 2898 | /* adapter->pcidev = pcidev;*/ |
| 2899 | adapter->vendid = pci_tbl_entry->vendor; |
| 2900 | adapter->devid = pci_tbl_entry->device; |
| 2901 | adapter->subsysid = pci_tbl_entry->subdevice; |
| 2902 | adapter->busnumber = pcidev->bus->number; |
| 2903 | adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); |
| 2904 | adapter->functionnumber = (pcidev->devfn & 0x7); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2905 | adapter->slic_regs = (__iomem struct slic_regs *)memaddr; |
| 2906 | adapter->irq = pcidev->irq; |
| 2907 | /* adapter->netdev = netdev;*/ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2908 | adapter->chipid = chip_idx; |
| 2909 | adapter->port = 0; /*adapter->functionnumber;*/ |
| 2910 | adapter->cardindex = adapter->port; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2911 | spin_lock_init(&adapter->upr_lock.lock); |
| 2912 | spin_lock_init(&adapter->bit64reglock.lock); |
| 2913 | spin_lock_init(&adapter->adapter_lock.lock); |
| 2914 | spin_lock_init(&adapter->reset_lock.lock); |
| 2915 | spin_lock_init(&adapter->handle_lock.lock); |
| 2916 | |
| 2917 | adapter->card_size = 1; |
| 2918 | /* |
| 2919 | Initialize slic_handle array |
| 2920 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2921 | /* |
| 2922 | Start with 1. 0 is an invalid host handle. |
| 2923 | */ |
| 2924 | for (index = 1, pslic_handle = &adapter->slic_handles[1]; |
| 2925 | index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) { |
| 2926 | |
| 2927 | pslic_handle->token.handle_index = index; |
| 2928 | pslic_handle->type = SLIC_HANDLE_FREE; |
| 2929 | pslic_handle->next = adapter->pfree_slic_handles; |
| 2930 | adapter->pfree_slic_handles = pslic_handle; |
| 2931 | } |
| 2932 | adapter->pshmem = (struct slic_shmem *) |
| 2933 | pci_alloc_consistent(adapter->pcidev, |
| 2934 | sizeof(struct slic_shmem), |
| 2935 | &adapter-> |
| 2936 | phys_shmem); |
Devendra Naga | b8131fc | 2012-09-05 15:33:47 +0530 | [diff] [blame] | 2937 | if (adapter->pshmem) |
| 2938 | memset(adapter->pshmem, 0, sizeof(struct slic_shmem)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2939 | } |
| 2940 | |
| 2941 | static const struct net_device_ops slic_netdev_ops = { |
| 2942 | .ndo_open = slic_entry_open, |
| 2943 | .ndo_stop = slic_entry_halt, |
| 2944 | .ndo_start_xmit = slic_xmit_start, |
| 2945 | .ndo_do_ioctl = slic_ioctl, |
| 2946 | .ndo_set_mac_address = slic_mac_set_address, |
| 2947 | .ndo_get_stats = slic_get_stats, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 2948 | .ndo_set_rx_mode = slic_mcast_set_list, |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2949 | .ndo_validate_addr = eth_validate_addr, |
| 2950 | .ndo_change_mtu = eth_change_mtu, |
| 2951 | }; |
| 2952 | |
| 2953 | static u32 slic_card_locate(struct adapter *adapter) |
| 2954 | { |
| 2955 | struct sliccard *card = slic_global.slic_card; |
| 2956 | struct physcard *physcard = slic_global.phys_card; |
| 2957 | ushort card_hostid; |
| 2958 | u16 __iomem *hostid_reg; |
| 2959 | uint i; |
| 2960 | uint rdhostid_offset = 0; |
| 2961 | |
| 2962 | switch (adapter->devid) { |
| 2963 | case SLIC_2GB_DEVICE_ID: |
| 2964 | rdhostid_offset = SLIC_RDHOSTID_2GB; |
| 2965 | break; |
| 2966 | case SLIC_1GB_DEVICE_ID: |
| 2967 | rdhostid_offset = SLIC_RDHOSTID_1GB; |
| 2968 | break; |
| 2969 | default: |
Devendra Naga | 0ab1900 | 2012-07-09 23:04:20 +0530 | [diff] [blame] | 2970 | return -ENODEV; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2971 | } |
| 2972 | |
| 2973 | hostid_reg = |
| 2974 | (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) + |
| 2975 | rdhostid_offset); |
| 2976 | |
| 2977 | /* read the 16 bit hostid from SRAM */ |
| 2978 | card_hostid = (ushort) readw(hostid_reg); |
| 2979 | |
| 2980 | /* Initialize a new card structure if need be */ |
| 2981 | if (card_hostid == SLIC_HOSTID_DEFAULT) { |
| 2982 | card = kzalloc(sizeof(struct sliccard), GFP_KERNEL); |
| 2983 | if (card == NULL) |
| 2984 | return -ENOMEM; |
| 2985 | |
| 2986 | card->next = slic_global.slic_card; |
| 2987 | slic_global.slic_card = card; |
| 2988 | card->busnumber = adapter->busnumber; |
| 2989 | card->slotnumber = adapter->slotnumber; |
| 2990 | |
| 2991 | /* Find an available cardnum */ |
| 2992 | for (i = 0; i < SLIC_MAX_CARDS; i++) { |
| 2993 | if (slic_global.cardnuminuse[i] == 0) { |
| 2994 | slic_global.cardnuminuse[i] = 1; |
| 2995 | card->cardnum = i; |
| 2996 | break; |
| 2997 | } |
| 2998 | } |
| 2999 | slic_global.num_slic_cards++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3000 | } else { |
| 3001 | /* Card exists, find the card this adapter belongs to */ |
| 3002 | while (card) { |
| 3003 | if (card->cardnum == card_hostid) |
| 3004 | break; |
| 3005 | card = card->next; |
| 3006 | } |
| 3007 | } |
| 3008 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3009 | if (!card) |
| 3010 | return -ENXIO; |
| 3011 | /* Put the adapter in the card's adapter list */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3012 | if (!card->adapter[adapter->port]) { |
| 3013 | card->adapter[adapter->port] = adapter; |
| 3014 | adapter->card = card; |
| 3015 | } |
| 3016 | |
| 3017 | card->card_size = 1; /* one port per *logical* card */ |
| 3018 | |
| 3019 | while (physcard) { |
| 3020 | for (i = 0; i < SLIC_MAX_PORTS; i++) { |
Peter Huewe | 20d403e | 2013-02-19 05:18:51 +0100 | [diff] [blame] | 3021 | if (physcard->adapter[i]) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3022 | break; |
| 3023 | } |
Peter Huewe | 20d403e | 2013-02-19 05:18:51 +0100 | [diff] [blame] | 3024 | if (i == SLIC_MAX_PORTS) |
| 3025 | break; |
| 3026 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3027 | if (physcard->adapter[i]->slotnumber == adapter->slotnumber) |
| 3028 | break; |
| 3029 | physcard = physcard->next; |
| 3030 | } |
| 3031 | if (!physcard) { |
| 3032 | /* no structure allocated for this physical card yet */ |
| 3033 | physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC); |
Devendra Naga | 34ec83f | 2012-10-25 02:11:51 -0400 | [diff] [blame] | 3034 | if (!physcard) { |
| 3035 | if (card_hostid == SLIC_HOSTID_DEFAULT) |
| 3036 | kfree(card); |
Devendra Naga | 0608882 | 2012-10-23 18:04:32 -0400 | [diff] [blame] | 3037 | return -ENOMEM; |
Devendra Naga | 34ec83f | 2012-10-25 02:11:51 -0400 | [diff] [blame] | 3038 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3039 | |
| 3040 | physcard->next = slic_global.phys_card; |
| 3041 | slic_global.phys_card = physcard; |
| 3042 | physcard->adapters_allocd = 1; |
| 3043 | } else { |
| 3044 | physcard->adapters_allocd++; |
| 3045 | } |
| 3046 | /* Note - this is ZERO relative */ |
| 3047 | adapter->physport = physcard->adapters_allocd - 1; |
| 3048 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3049 | physcard->adapter[adapter->physport] = adapter; |
| 3050 | adapter->physcard = physcard; |
| 3051 | |
| 3052 | return 0; |
| 3053 | } |
| 3054 | |
Bill Pemberton | a0c2feb | 2012-11-19 13:22:02 -0500 | [diff] [blame] | 3055 | static int slic_entry_probe(struct pci_dev *pcidev, |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3056 | const struct pci_device_id *pci_tbl_entry) |
| 3057 | { |
| 3058 | static int cards_found; |
| 3059 | static int did_version; |
| 3060 | int err = -ENODEV; |
| 3061 | struct net_device *netdev; |
| 3062 | struct adapter *adapter; |
| 3063 | void __iomem *memmapped_ioaddr = NULL; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3064 | ulong mmio_start = 0; |
| 3065 | ulong mmio_len = 0; |
| 3066 | struct sliccard *card = NULL; |
| 3067 | int pci_using_dac = 0; |
| 3068 | |
| 3069 | slic_global.dynamic_intagg = dynamic_intagg; |
| 3070 | |
| 3071 | err = pci_enable_device(pcidev); |
| 3072 | |
| 3073 | if (err) |
| 3074 | return err; |
| 3075 | |
David Matlack | 04cc3c8 | 2014-05-05 21:02:34 -0700 | [diff] [blame] | 3076 | if (did_version++ == 0) { |
| 3077 | dev_info(&pcidev->dev, "%s\n", slic_banner); |
| 3078 | dev_info(&pcidev->dev, "%s\n", slic_proc_version); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3079 | } |
| 3080 | |
| 3081 | if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) { |
| 3082 | pci_using_dac = 1; |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3083 | err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); |
| 3084 | if (err) { |
Rashika Kheria | 79b0ae8 | 2013-10-19 13:17:59 +0530 | [diff] [blame] | 3085 | dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for consistent allocations\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3086 | goto err_out_disable_pci; |
| 3087 | } |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3088 | } else { |
| 3089 | err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); |
| 3090 | if (err) { |
| 3091 | dev_err(&pcidev->dev, "no usable DMA configuration\n"); |
| 3092 | goto err_out_disable_pci; |
| 3093 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3094 | pci_using_dac = 0; |
| 3095 | pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3096 | } |
| 3097 | |
| 3098 | err = pci_request_regions(pcidev, DRV_NAME); |
| 3099 | if (err) { |
| 3100 | dev_err(&pcidev->dev, "can't obtain PCI resources\n"); |
| 3101 | goto err_out_disable_pci; |
| 3102 | } |
| 3103 | |
| 3104 | pci_set_master(pcidev); |
| 3105 | |
| 3106 | netdev = alloc_etherdev(sizeof(struct adapter)); |
| 3107 | if (!netdev) { |
| 3108 | err = -ENOMEM; |
| 3109 | goto err_out_exit_slic_probe; |
| 3110 | } |
| 3111 | |
| 3112 | SET_NETDEV_DEV(netdev, &pcidev->dev); |
| 3113 | |
| 3114 | pci_set_drvdata(pcidev, netdev); |
| 3115 | adapter = netdev_priv(netdev); |
| 3116 | adapter->netdev = netdev; |
| 3117 | adapter->pcidev = pcidev; |
| 3118 | if (pci_using_dac) |
| 3119 | netdev->features |= NETIF_F_HIGHDMA; |
| 3120 | |
| 3121 | mmio_start = pci_resource_start(pcidev, 0); |
| 3122 | mmio_len = pci_resource_len(pcidev, 0); |
| 3123 | |
| 3124 | |
| 3125 | /* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/ |
| 3126 | memmapped_ioaddr = ioremap(mmio_start, mmio_len); |
| 3127 | if (!memmapped_ioaddr) { |
| 3128 | dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n", |
| 3129 | mmio_len, mmio_start); |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3130 | err = -ENOMEM; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3131 | goto err_out_free_netdev; |
| 3132 | } |
| 3133 | |
| 3134 | slic_config_pci(pcidev); |
| 3135 | |
| 3136 | slic_init_driver(); |
| 3137 | |
| 3138 | slic_init_adapter(netdev, |
| 3139 | pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found); |
| 3140 | |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3141 | err = slic_card_locate(adapter); |
| 3142 | if (err) { |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3143 | dev_err(&pcidev->dev, "cannot locate card\n"); |
Kristina Martšenko | eea7c70 | 2014-03-18 17:05:56 +0200 | [diff] [blame] | 3144 | goto err_out_unmap; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3145 | } |
| 3146 | |
| 3147 | card = adapter->card; |
| 3148 | |
| 3149 | if (!adapter->allocated) { |
| 3150 | card->adapters_allocated++; |
| 3151 | adapter->allocated = 1; |
| 3152 | } |
| 3153 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3154 | err = slic_card_init(card, adapter); |
| 3155 | if (err) |
| 3156 | goto err_out_unmap; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3157 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3158 | slic_adapter_set_hwaddr(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3159 | |
David Matlack | 563dce3 | 2014-05-05 21:02:33 -0700 | [diff] [blame] | 3160 | netdev->base_addr = (unsigned long) memmapped_ioaddr; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3161 | netdev->irq = adapter->irq; |
| 3162 | netdev->netdev_ops = &slic_netdev_ops; |
| 3163 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3164 | strcpy(netdev->name, "eth%d"); |
| 3165 | err = register_netdev(netdev); |
| 3166 | if (err) { |
| 3167 | dev_err(&pcidev->dev, "Cannot register net device, aborting.\n"); |
| 3168 | goto err_out_unmap; |
| 3169 | } |
| 3170 | |
| 3171 | cards_found++; |
| 3172 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3173 | return 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3174 | |
| 3175 | err_out_unmap: |
| 3176 | iounmap(memmapped_ioaddr); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3177 | err_out_free_netdev: |
| 3178 | free_netdev(netdev); |
| 3179 | err_out_exit_slic_probe: |
| 3180 | pci_release_regions(pcidev); |
| 3181 | err_out_disable_pci: |
| 3182 | pci_disable_device(pcidev); |
| 3183 | return err; |
| 3184 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3185 | |
| 3186 | static struct pci_driver slic_driver = { |
| 3187 | .name = DRV_NAME, |
| 3188 | .id_table = slic_pci_tbl, |
| 3189 | .probe = slic_entry_probe, |
Bill Pemberton | 2e0d79c | 2012-11-19 13:20:59 -0500 | [diff] [blame] | 3190 | .remove = slic_entry_remove, |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3191 | }; |
| 3192 | |
| 3193 | static int __init slic_module_init(void) |
| 3194 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3195 | slic_init_driver(); |
| 3196 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 3197 | return pci_register_driver(&slic_driver); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3198 | } |
| 3199 | |
| 3200 | static void __exit slic_module_cleanup(void) |
| 3201 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3202 | pci_unregister_driver(&slic_driver); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3203 | } |
| 3204 | |
| 3205 | module_init(slic_module_init); |
| 3206 | module_exit(slic_module_cleanup); |