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 | #define KLUDGE_FOR_4GB_BOUNDARY 1 |
| 58 | #define DEBUG_MICROCODE 1 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 59 | #define DBG 1 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 60 | #define SLIC_INTERRUPT_PROCESS_LIMIT 1 |
Janani Ravichandran | 210ba93 | 2016-02-10 04:06:50 -0500 | [diff] [blame] | 61 | #define SLIC_OFFLOAD_IP_CHECKSUM 1 |
| 62 | #define STATS_TIMER_INTERVAL 2 |
| 63 | #define PING_TIMER_INTERVAL 1 |
Rashika Kheria | 1f6876c | 2013-10-19 13:15:53 +0530 | [diff] [blame] | 64 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 65 | |
| 66 | #include <linux/kernel.h> |
| 67 | #include <linux/string.h> |
| 68 | #include <linux/errno.h> |
| 69 | #include <linux/ioport.h> |
| 70 | #include <linux/slab.h> |
| 71 | #include <linux/interrupt.h> |
| 72 | #include <linux/timer.h> |
| 73 | #include <linux/pci.h> |
| 74 | #include <linux/spinlock.h> |
| 75 | #include <linux/init.h> |
| 76 | #include <linux/bitops.h> |
| 77 | #include <linux/io.h> |
| 78 | #include <linux/netdevice.h> |
Peter Huewe | 97b3e0e | 2013-02-19 05:18:52 +0100 | [diff] [blame] | 79 | #include <linux/crc32.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 80 | #include <linux/etherdevice.h> |
| 81 | #include <linux/skbuff.h> |
| 82 | #include <linux/delay.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 83 | #include <linux/seq_file.h> |
| 84 | #include <linux/kthread.h> |
| 85 | #include <linux/module.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 86 | |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 87 | #include <linux/firmware.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 88 | #include <linux/types.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 89 | #include <linux/dma-mapping.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 90 | #include <linux/mii.h> |
| 91 | #include <linux/if_vlan.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 92 | #include <asm/unaligned.h> |
| 93 | |
| 94 | #include <linux/ethtool.h> |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 95 | #include <linux/uaccess.h> |
Greg Kroah-Hartman | 77faefa | 2009-02-26 13:59:12 -0800 | [diff] [blame] | 96 | #include "slichw.h" |
| 97 | #include "slic.h" |
| 98 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 99 | static uint slic_first_init = 1; |
Ksenija Stanojevic | 1cd0989 | 2015-02-23 18:47:07 +0100 | [diff] [blame] | 100 | static char *slic_banner = "Alacritech SLIC Technology(tm) Server and Storage Accelerator (Non-Accelerated)"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 101 | |
| 102 | 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] | 103 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 104 | static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 105 | #define DEFAULT_INTAGG_DELAY 100 |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 106 | static unsigned int rcv_count; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 107 | |
| 108 | #define DRV_NAME "slicoss" |
| 109 | #define DRV_VERSION "2.0.1" |
| 110 | #define DRV_AUTHOR "Alacritech, Inc. Engineering" |
| 111 | #define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\ |
| 112 | "Non-Accelerated Driver" |
| 113 | #define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\ |
| 114 | "All rights reserved." |
| 115 | #define PFX DRV_NAME " " |
| 116 | |
| 117 | MODULE_AUTHOR(DRV_AUTHOR); |
| 118 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 119 | MODULE_LICENSE("Dual BSD/GPL"); |
| 120 | |
Jingoo Han | 41e043f | 2013-12-03 08:26:00 +0900 | [diff] [blame] | 121 | static const struct pci_device_id slic_pci_tbl[] = { |
kirjanov@gmail.com | 5d37290 | 2009-12-18 10:59:04 +0300 | [diff] [blame] | 122 | { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) }, |
| 123 | { PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) }, |
| 124 | { 0 } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 125 | }; |
| 126 | |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 127 | static struct ethtool_ops slic_ethtool_ops; |
| 128 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 129 | MODULE_DEVICE_TABLE(pci, slic_pci_tbl); |
| 130 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 131 | 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] | 132 | { |
| 133 | writel(value, reg); |
| 134 | if (flush) |
| 135 | mb(); |
| 136 | } |
| 137 | |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 138 | static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg, |
| 139 | u32 value, void __iomem *regh, u32 paddrh, |
| 140 | bool flush) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 141 | { |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 142 | unsigned long flags; |
| 143 | |
| 144 | spin_lock_irqsave(&adapter->bit64reglock, flags); |
David Matlack | 36bf51a | 2015-05-11 20:40:36 -0700 | [diff] [blame] | 145 | writel(paddrh, regh); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 146 | writel(value, reg); |
| 147 | if (flush) |
| 148 | mb(); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 149 | spin_unlock_irqrestore(&adapter->bit64reglock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 150 | } |
| 151 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 152 | static void slic_mcast_set_bit(struct adapter *adapter, char *address) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 153 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 154 | unsigned char crcpoly; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 155 | |
| 156 | /* Get the CRC polynomial for the mac address */ |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 157 | /* |
| 158 | * we use bits 1-8 (lsb), bitwise reversed, |
| 159 | * msb (= lsb bit 0 before bitrev) is automatically discarded |
| 160 | */ |
Amarjargal Gundjalam | 0d45ffc | 2015-10-25 07:48:56 -0700 | [diff] [blame] | 161 | crcpoly = ether_crc(ETH_ALEN, address) >> 23; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 162 | |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 163 | /* |
| 164 | * We only have space on the SLIC for 64 entries. Lop |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 165 | * off the top two bits. (2^6 = 64) |
| 166 | */ |
| 167 | crcpoly &= 0x3F; |
| 168 | |
| 169 | /* OR in the new bit into our 64 bit mask. */ |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 170 | adapter->mcastmask |= (u64)1 << crcpoly; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 173 | static void slic_mcast_set_mask(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 174 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 175 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 176 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 177 | if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 178 | /* |
| 179 | * Turn on all multicast addresses. We have to do this for |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 180 | * promiscuous mode as well as ALLMCAST mode. It saves the |
| 181 | * Microcode from having to keep state about the MAC |
| 182 | * configuration. |
| 183 | */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 184 | slic_reg32_write(&slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH); |
| 185 | slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF, |
| 186 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 187 | } else { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 188 | /* |
| 189 | * Commit our multicast mast to the SLIC by writing to the |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 190 | * multicast address mask registers |
| 191 | */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 192 | slic_reg32_write(&slic_regs->slic_mcastlow, |
| 193 | (u32)(adapter->mcastmask & 0xFFFFFFFF), FLUSH); |
| 194 | slic_reg32_write(&slic_regs->slic_mcasthigh, |
| 195 | (u32)((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 196 | } |
| 197 | } |
| 198 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 199 | static void slic_timer_ping(ulong dev) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 200 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 201 | struct adapter *adapter; |
| 202 | struct sliccard *card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 203 | |
Wang Chen | 4bcd426 | 2008-12-06 23:59:10 -0800 | [diff] [blame] | 204 | adapter = netdev_priv((struct net_device *)dev); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 205 | card = adapter->card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 206 | |
Greg Kroah-Hartman | db7a673 | 2009-02-25 17:28:05 -0800 | [diff] [blame] | 207 | adapter->pingtimer.expires = jiffies + (PING_TIMER_INTERVAL * HZ); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 208 | add_timer(&adapter->pingtimer); |
| 209 | } |
| 210 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 211 | static void slic_unmap_mmio_space(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 212 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 213 | if (adapter->slic_regs) |
| 214 | iounmap(adapter->slic_regs); |
| 215 | adapter->slic_regs = NULL; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 216 | } |
| 217 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 218 | /* |
| 219 | * slic_link_config |
| 220 | * |
| 221 | * Write phy control to configure link duplex/speed |
| 222 | * |
| 223 | */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 224 | static void slic_link_config(struct adapter *adapter, |
| 225 | u32 linkspeed, u32 linkduplex) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 226 | { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 227 | u32 __iomem *wphy; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 228 | u32 speed; |
| 229 | u32 duplex; |
| 230 | u32 phy_config; |
| 231 | u32 phy_advreg; |
| 232 | u32 phy_gctlreg; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 233 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 234 | if (adapter->state != ADAPT_UP) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 235 | return; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 236 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 237 | if (linkspeed > LINK_1000MB) |
| 238 | linkspeed = LINK_AUTOSPEED; |
| 239 | if (linkduplex > LINK_AUTOD) |
| 240 | linkduplex = LINK_AUTOD; |
| 241 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 242 | wphy = &adapter->slic_regs->slic_wphy; |
| 243 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 244 | if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) { |
| 245 | if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 246 | /* |
| 247 | * We've got a fiber gigabit interface, and register |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 248 | * 4 is different in fiber mode than in copper mode |
| 249 | */ |
| 250 | |
| 251 | /* advertise FD only @1000 Mb */ |
| 252 | phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD)); |
| 253 | /* enable PAUSE frames */ |
| 254 | phy_advreg |= PAR_ASYMPAUSE_FIBER; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 255 | slic_reg32_write(wphy, phy_advreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 256 | |
| 257 | if (linkspeed == LINK_AUTOSPEED) { |
| 258 | /* reset phy, enable auto-neg */ |
| 259 | phy_config = |
| 260 | (MIICR_REG_PCR | |
| 261 | (PCR_RESET | PCR_AUTONEG | |
| 262 | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 263 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 264 | } else { /* forced 1000 Mb FD*/ |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 265 | /* |
| 266 | * power down phy to break link |
| 267 | * this may not work) |
| 268 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 269 | phy_config = (MIICR_REG_PCR | PCR_POWERDOWN); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 270 | slic_reg32_write(wphy, phy_config, FLUSH); |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 271 | /* |
| 272 | * wait, Marvell says 1 sec, |
| 273 | * try to get away with 10 ms |
| 274 | */ |
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 | |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 277 | /* |
| 278 | * disable auto-neg, set speed/duplex, |
| 279 | * soft reset phy, powerup |
| 280 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 281 | phy_config = |
| 282 | (MIICR_REG_PCR | |
| 283 | (PCR_RESET | PCR_SPEED_1000 | |
| 284 | PCR_DUPLEX_FULL)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 285 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 286 | } |
| 287 | } else { /* copper gigabit */ |
| 288 | |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 289 | /* |
| 290 | * Auto-Negotiate or 1000 Mb must be auto negotiated |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 291 | * We've got a copper gigabit interface, and |
| 292 | * register 4 is different in copper mode than |
| 293 | * in fiber mode |
| 294 | */ |
| 295 | if (linkspeed == LINK_AUTOSPEED) { |
| 296 | /* advertise 10/100 Mb modes */ |
| 297 | phy_advreg = |
| 298 | (MIICR_REG_4 | |
| 299 | (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD |
| 300 | | PAR_ADV10HD)); |
| 301 | } else { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 302 | /* |
| 303 | * linkspeed == LINK_1000MB - |
| 304 | * don't advertise 10/100 Mb modes |
| 305 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 306 | phy_advreg = MIICR_REG_4; |
| 307 | } |
| 308 | /* enable PAUSE frames */ |
| 309 | phy_advreg |= PAR_ASYMPAUSE; |
| 310 | /* required by the Cicada PHY */ |
| 311 | phy_advreg |= PAR_802_3; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 312 | slic_reg32_write(wphy, phy_advreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 313 | /* advertise FD only @1000 Mb */ |
| 314 | phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 315 | slic_reg32_write(wphy, phy_gctlreg, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 316 | |
| 317 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 318 | /* |
| 319 | * if a Marvell PHY |
| 320 | * enable auto crossover |
| 321 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 322 | phy_config = |
| 323 | (MIICR_REG_16 | (MRV_REG16_XOVERON)); |
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 | |
| 326 | /* reset phy, enable auto-neg */ |
| 327 | phy_config = |
| 328 | (MIICR_REG_PCR | |
| 329 | (PCR_RESET | PCR_AUTONEG | |
| 330 | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 331 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 332 | } else { /* it's a Cicada PHY */ |
| 333 | /* enable and restart auto-neg (don't reset) */ |
| 334 | phy_config = |
| 335 | (MIICR_REG_PCR | |
| 336 | (PCR_AUTONEG | PCR_AUTONEG_RST)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 337 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 338 | } |
| 339 | } |
| 340 | } else { |
| 341 | /* Forced 10/100 */ |
| 342 | if (linkspeed == LINK_10MB) |
| 343 | speed = 0; |
| 344 | else |
| 345 | speed = PCR_SPEED_100; |
| 346 | if (linkduplex == LINK_HALFD) |
| 347 | duplex = 0; |
| 348 | else |
| 349 | duplex = PCR_DUPLEX_FULL; |
| 350 | |
| 351 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 352 | /* |
| 353 | * if a Marvell PHY |
| 354 | * disable auto crossover |
| 355 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 356 | phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 357 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | /* power down phy to break link (this may not work) */ |
| 361 | phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 362 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 363 | |
| 364 | /* wait, Marvell says 1 sec, try to get away with 10 ms */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 365 | mdelay(10); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 366 | |
| 367 | if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 368 | /* |
| 369 | * if a Marvell PHY |
| 370 | * disable auto-neg, set speed, |
| 371 | * soft reset phy, powerup |
| 372 | */ |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 373 | phy_config = |
| 374 | (MIICR_REG_PCR | (PCR_RESET | speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 375 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 376 | } else { /* it's a Cicada PHY */ |
| 377 | /* disable auto-neg, set speed, powerup */ |
| 378 | phy_config = (MIICR_REG_PCR | (speed | duplex)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 379 | slic_reg32_write(wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 380 | } |
| 381 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 382 | } |
| 383 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 384 | static int slic_card_download_gbrcv(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 385 | { |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 386 | const struct firmware *fw; |
| 387 | const char *file = ""; |
| 388 | int ret; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 389 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 390 | u32 codeaddr; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 391 | u32 instruction; |
| 392 | int index = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 393 | u32 rcvucodelen = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 394 | |
| 395 | switch (adapter->devid) { |
| 396 | case SLIC_2GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 397 | file = "slicoss/oasisrcvucode.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 398 | break; |
| 399 | case SLIC_1GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 400 | file = "slicoss/gbrcvucode.sys"; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 401 | break; |
| 402 | default: |
Devendra Naga | 651d4bc | 2012-08-26 12:36:56 +0530 | [diff] [blame] | 403 | return -ENOENT; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | ret = request_firmware(&fw, file, &adapter->pcidev->dev); |
| 407 | if (ret) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 408 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 409 | "Failed to load firmware %s\n", file); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 410 | return ret; |
| 411 | } |
| 412 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 413 | rcvucodelen = *(u32 *)(fw->data + index); |
| 414 | index += 4; |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 415 | switch (adapter->devid) { |
| 416 | case SLIC_2GB_DEVICE_ID: |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 417 | if (rcvucodelen != OasisRcvUCodeLen) { |
| 418 | release_firmware(fw); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 419 | return -EINVAL; |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 420 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 421 | break; |
| 422 | case SLIC_1GB_DEVICE_ID: |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 423 | if (rcvucodelen != GBRcvUCodeLen) { |
| 424 | release_firmware(fw); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 425 | return -EINVAL; |
Devendra Naga | 7ee34ab | 2012-08-26 12:42:50 +0530 | [diff] [blame] | 426 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 427 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 428 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 429 | /* start download */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 430 | 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] | 431 | /* download the rcv sequencer ucode */ |
| 432 | for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) { |
| 433 | /* write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 434 | slic_reg32_write(&slic_regs->slic_rcv_wcs, codeaddr, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 435 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 436 | instruction = *(u32 *)(fw->data + index); |
| 437 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 438 | /* write out the instruction data low addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 439 | slic_reg32_write(&slic_regs->slic_rcv_wcs, instruction, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 440 | |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 441 | instruction = *(u8 *)(fw->data + index); |
| 442 | index++; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 443 | /* write out the instruction data high addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 444 | slic_reg32_write(&slic_regs->slic_rcv_wcs, (u8)instruction, |
| 445 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | /* download finished */ |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 449 | release_firmware(fw); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 450 | 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] | 451 | return 0; |
| 452 | } |
| 453 | |
Ben Hutchings | 5d929a7 | 2010-01-13 23:36:09 +0000 | [diff] [blame] | 454 | MODULE_FIRMWARE("slicoss/oasisrcvucode.sys"); |
| 455 | MODULE_FIRMWARE("slicoss/gbrcvucode.sys"); |
| 456 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 457 | static int slic_card_download(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 458 | { |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 459 | const struct firmware *fw; |
| 460 | const char *file = ""; |
| 461 | int ret; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 462 | u32 section; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 463 | int thissectionsize; |
| 464 | int codeaddr; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 465 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 466 | u32 instruction; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 467 | u32 baseaddress; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 468 | u32 i; |
| 469 | u32 numsects = 0; |
| 470 | u32 sectsize[3]; |
| 471 | u32 sectstart[3]; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 472 | int ucode_start, index = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 473 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 474 | switch (adapter->devid) { |
| 475 | case SLIC_2GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 476 | file = "slicoss/oasisdownload.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 477 | break; |
| 478 | case SLIC_1GB_DEVICE_ID: |
Lior Dotan | a390c47 | 2009-01-30 09:51:49 +0200 | [diff] [blame] | 479 | file = "slicoss/gbdownload.sys"; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 480 | break; |
| 481 | default: |
Devendra Naga | 670d145 | 2012-10-22 18:15:41 -0400 | [diff] [blame] | 482 | return -ENOENT; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 483 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 484 | ret = request_firmware(&fw, file, &adapter->pcidev->dev); |
| 485 | if (ret) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 486 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 487 | "Failed to load firmware %s\n", file); |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 488 | return ret; |
| 489 | } |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 490 | numsects = *(u32 *)(fw->data + index); |
| 491 | index += 4; |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 492 | for (i = 0; i < numsects; i++) { |
| 493 | sectsize[i] = *(u32 *)(fw->data + index); |
| 494 | index += 4; |
| 495 | } |
| 496 | for (i = 0; i < numsects; i++) { |
| 497 | sectstart[i] = *(u32 *)(fw->data + index); |
| 498 | index += 4; |
| 499 | } |
| 500 | ucode_start = index; |
| 501 | instruction = *(u32 *)(fw->data + index); |
| 502 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 503 | for (section = 0; section < numsects; section++) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 504 | baseaddress = sectstart[section]; |
| 505 | thissectionsize = sectsize[section] >> 3; |
| 506 | |
| 507 | for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 508 | /* Write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 509 | slic_reg32_write(&slic_regs->slic_wcs, |
| 510 | baseaddress + codeaddr, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 511 | /* Write out instruction to low addr */ |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 512 | slic_reg32_write(&slic_regs->slic_wcs, |
| 513 | instruction, FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 514 | instruction = *(u32 *)(fw->data + index); |
| 515 | index += 4; |
| 516 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 517 | /* Write out instruction to high addr */ |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 518 | slic_reg32_write(&slic_regs->slic_wcs, |
| 519 | instruction, FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 520 | instruction = *(u32 *)(fw->data + index); |
| 521 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 522 | } |
| 523 | } |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 524 | index = ucode_start; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 525 | for (section = 0; section < numsects; section++) { |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 526 | instruction = *(u32 *)(fw->data + index); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 527 | baseaddress = sectstart[section]; |
| 528 | if (baseaddress < 0x8000) |
| 529 | continue; |
| 530 | thissectionsize = sectsize[section] >> 3; |
| 531 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 532 | for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { |
| 533 | /* Write out instruction address */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 534 | slic_reg32_write(&slic_regs->slic_wcs, |
| 535 | SLIC_WCS_COMPARE | (baseaddress + codeaddr), |
| 536 | FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 537 | /* Write out instruction to low addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 538 | slic_reg32_write(&slic_regs->slic_wcs, instruction, |
| 539 | FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 540 | instruction = *(u32 *)(fw->data + index); |
| 541 | index += 4; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 542 | /* Write out instruction to high addr */ |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 543 | slic_reg32_write(&slic_regs->slic_wcs, instruction, |
| 544 | FLUSH); |
Lior Dotan | 874073e | 2009-01-22 09:38:15 +0200 | [diff] [blame] | 545 | instruction = *(u32 *)(fw->data + index); |
| 546 | index += 4; |
| 547 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 548 | } |
| 549 | } |
Lior Dotan | 470c573 | 2008-11-05 16:02:20 +0200 | [diff] [blame] | 550 | release_firmware(fw); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 551 | /* Everything OK, kick off the card */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 552 | mdelay(10); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 553 | slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 554 | |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 555 | /* |
| 556 | * stall for 20 ms, long enough for ucode to init card |
| 557 | * and reach mainloop |
| 558 | */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 559 | mdelay(20); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 560 | |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 561 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 562 | } |
| 563 | |
Ben Hutchings | 5d929a7 | 2010-01-13 23:36:09 +0000 | [diff] [blame] | 564 | MODULE_FIRMWARE("slicoss/oasisdownload.sys"); |
| 565 | MODULE_FIRMWARE("slicoss/gbdownload.sys"); |
| 566 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 567 | static void slic_adapter_set_hwaddr(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 568 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 569 | struct sliccard *card = adapter->card; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 570 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 571 | if ((adapter->card) && (card->config_set)) { |
| 572 | memcpy(adapter->macaddr, |
| 573 | card->config.MacInfo[adapter->functionnumber].macaddrA, |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 574 | sizeof(struct slic_config_mac)); |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 575 | if (is_zero_ether_addr(adapter->currmacaddr)) |
| 576 | memcpy(adapter->currmacaddr, adapter->macaddr, |
| 577 | ETH_ALEN); |
| 578 | if (adapter->netdev) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 579 | memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 580 | ETH_ALEN); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 581 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 582 | } |
| 583 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 584 | static void slic_intagg_set(struct adapter *adapter, u32 value) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 585 | { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 586 | slic_reg32_write(&adapter->slic_regs->slic_intagg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 587 | adapter->card->loadlevel_current = value; |
| 588 | } |
| 589 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 590 | static void slic_soft_reset(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 591 | { |
| 592 | if (adapter->card->state == CARD_UP) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 593 | slic_reg32_write(&adapter->slic_regs->slic_quiesce, 0, FLUSH); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 594 | mdelay(1); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 595 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 596 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 597 | slic_reg32_write(&adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, |
| 598 | FLUSH); |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 599 | mdelay(1); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 600 | } |
| 601 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 602 | static void slic_mac_address_config(struct adapter *adapter) |
| 603 | { |
| 604 | u32 value; |
| 605 | u32 value2; |
| 606 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 607 | |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 608 | value = ntohl(*(__be32 *)&adapter->currmacaddr[2]); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 609 | slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH); |
| 610 | slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH); |
| 611 | |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 612 | value2 = (u32)((adapter->currmacaddr[0] << 8 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 613 | adapter->currmacaddr[1]) & 0xFFFF); |
| 614 | |
| 615 | slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH); |
| 616 | slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH); |
| 617 | |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 618 | /* |
| 619 | * Write our multicast mask out to the card. This is done |
| 620 | * here in addition to the slic_mcast_addr_set routine |
| 621 | * because ALL_MCAST may have been enabled or disabled |
| 622 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 623 | slic_mcast_set_mask(adapter); |
| 624 | } |
| 625 | |
| 626 | static void slic_mac_config(struct adapter *adapter) |
| 627 | { |
| 628 | u32 value; |
| 629 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 630 | |
| 631 | /* Setup GMAC gaps */ |
| 632 | if (adapter->linkspeed == LINK_1000MB) { |
| 633 | value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) | |
| 634 | (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) | |
| 635 | (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT)); |
| 636 | } else { |
| 637 | value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) | |
| 638 | (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) | |
| 639 | (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT)); |
| 640 | } |
| 641 | |
| 642 | /* enable GMII */ |
| 643 | if (adapter->linkspeed == LINK_1000MB) |
| 644 | value |= GMCR_GBIT; |
| 645 | |
| 646 | /* enable fullduplex */ |
| 647 | if ((adapter->linkduplex == LINK_FULLD) |
| 648 | || (adapter->macopts & MAC_LOOPBACK)) { |
| 649 | value |= GMCR_FULLD; |
| 650 | } |
| 651 | |
| 652 | /* write mac config */ |
| 653 | slic_reg32_write(&slic_regs->slic_wmcfg, value, FLUSH); |
| 654 | |
| 655 | /* setup mac addresses */ |
| 656 | slic_mac_address_config(adapter); |
| 657 | } |
| 658 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 659 | static void slic_config_set(struct adapter *adapter, bool linkchange) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 660 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 661 | u32 value; |
| 662 | u32 RcrReset; |
| 663 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 664 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 665 | if (linkchange) { |
| 666 | /* Setup MAC */ |
| 667 | slic_mac_config(adapter); |
| 668 | RcrReset = GRCR_RESET; |
| 669 | } else { |
| 670 | slic_mac_address_config(adapter); |
| 671 | RcrReset = 0; |
| 672 | } |
| 673 | |
| 674 | if (adapter->linkduplex == LINK_FULLD) { |
| 675 | /* setup xmtcfg */ |
| 676 | value = (GXCR_RESET | /* Always reset */ |
| 677 | GXCR_XMTEN | /* Enable transmit */ |
| 678 | GXCR_PAUSEEN); /* Enable pause */ |
| 679 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 680 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 681 | |
| 682 | /* Setup rcvcfg last */ |
| 683 | value = (RcrReset | /* Reset, if linkchange */ |
| 684 | GRCR_CTLEN | /* Enable CTL frames */ |
| 685 | GRCR_ADDRAEN | /* Address A enable */ |
| 686 | GRCR_RCVBAD | /* Rcv bad frames */ |
| 687 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 688 | } else { |
| 689 | /* setup xmtcfg */ |
| 690 | value = (GXCR_RESET | /* Always reset */ |
| 691 | GXCR_XMTEN); /* Enable transmit */ |
| 692 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 693 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 694 | |
| 695 | /* Setup rcvcfg last */ |
| 696 | value = (RcrReset | /* Reset, if linkchange */ |
| 697 | GRCR_ADDRAEN | /* Address A enable */ |
| 698 | GRCR_RCVBAD | /* Rcv bad frames */ |
| 699 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 700 | } |
| 701 | |
| 702 | if (adapter->state != ADAPT_DOWN) { |
| 703 | /* Only enable receive if we are restarting or running */ |
| 704 | value |= GRCR_RCVEN; |
| 705 | } |
| 706 | |
| 707 | if (adapter->macopts & MAC_PROMISC) |
| 708 | value |= GRCR_RCVALL; |
| 709 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 710 | slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | /* |
| 714 | * Turn off RCV and XMT, power down PHY |
| 715 | */ |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 716 | static void slic_config_clear(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 717 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 718 | u32 value; |
| 719 | u32 phy_config; |
| 720 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 721 | |
| 722 | /* Setup xmtcfg */ |
| 723 | value = (GXCR_RESET | /* Always reset */ |
| 724 | GXCR_PAUSEEN); /* Enable pause */ |
| 725 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 726 | slic_reg32_write(&slic_regs->slic_wxcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 727 | |
| 728 | value = (GRCR_RESET | /* Always reset */ |
| 729 | GRCR_CTLEN | /* Enable CTL frames */ |
| 730 | GRCR_ADDRAEN | /* Address A enable */ |
| 731 | (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); |
| 732 | |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 733 | slic_reg32_write(&slic_regs->slic_wrcfg, value, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 734 | |
| 735 | /* power down phy */ |
| 736 | phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN)); |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 737 | slic_reg32_write(&slic_regs->slic_wphy, phy_config, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 738 | } |
| 739 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 740 | static bool slic_mac_filter(struct adapter *adapter, |
| 741 | struct ether_header *ether_frame) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 742 | { |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 743 | struct net_device *netdev = adapter->netdev; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 744 | u32 opts = adapter->macopts; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 745 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 746 | if (opts & MAC_PROMISC) |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 747 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 748 | |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 749 | if (is_broadcast_ether_addr(ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 750 | if (opts & MAC_BCAST) { |
| 751 | adapter->rcv_broadcasts++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 752 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 753 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 754 | |
| 755 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 756 | } |
| 757 | |
Joe Perches | ae7d27c | 2013-12-05 15:57:26 -0800 | [diff] [blame] | 758 | if (is_multicast_ether_addr(ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 759 | if (opts & MAC_ALLMCAST) { |
| 760 | adapter->rcv_multicasts++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 761 | netdev->stats.multicast++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 762 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 763 | } |
| 764 | if (opts & MAC_MCAST) { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 765 | struct mcast_address *mcaddr = adapter->mcastaddrs; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 766 | |
| 767 | while (mcaddr) { |
Joe Perches | 8329419 | 2013-09-01 12:15:47 -0700 | [diff] [blame] | 768 | if (ether_addr_equal(mcaddr->address, |
| 769 | ether_frame->ether_dhost)) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 770 | adapter->rcv_multicasts++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 771 | netdev->stats.multicast++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 772 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 773 | } |
| 774 | mcaddr = mcaddr->next; |
| 775 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 776 | |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 777 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 778 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 779 | |
| 780 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 781 | } |
| 782 | if (opts & MAC_DIRECTED) { |
| 783 | adapter->rcv_unicasts++; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 784 | return true; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 785 | } |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 786 | return false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 787 | } |
| 788 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 789 | 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] | 790 | { |
kirjanov@gmail.com | f8771fa | 2009-12-18 10:54:27 +0300 | [diff] [blame] | 791 | struct adapter *adapter = netdev_priv(dev); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 792 | struct sockaddr *addr = ptr; |
| 793 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 794 | if (netif_running(dev)) |
| 795 | return -EBUSY; |
| 796 | if (!adapter) |
| 797 | return -EBUSY; |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 798 | |
kirjanov@gmail.com | a71b997 | 2009-12-18 10:52:45 +0300 | [diff] [blame] | 799 | if (!is_valid_ether_addr(addr->sa_data)) |
| 800 | return -EINVAL; |
| 801 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 802 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 803 | memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 804 | |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 805 | slic_config_set(adapter, true); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 806 | return 0; |
| 807 | } |
| 808 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 809 | static void slic_timer_load_check(ulong cardaddr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 810 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 811 | struct sliccard *card = (struct sliccard *)cardaddr; |
| 812 | struct adapter *adapter = card->master; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 813 | u32 __iomem *intagg; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 814 | u32 load = card->events; |
| 815 | u32 level = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 816 | |
| 817 | if ((adapter) && (adapter->state == ADAPT_UP) && |
| 818 | (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { |
Peter Huewe | 8137211 | 2013-02-19 05:13:50 +0100 | [diff] [blame] | 819 | intagg = &adapter->slic_regs->slic_intagg; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 820 | if (adapter->devid == SLIC_1GB_DEVICE_ID) { |
| 821 | if (adapter->linkspeed == LINK_1000MB) |
| 822 | level = 100; |
| 823 | else { |
| 824 | if (load > SLIC_LOAD_5) |
| 825 | level = SLIC_INTAGG_5; |
| 826 | else if (load > SLIC_LOAD_4) |
| 827 | level = SLIC_INTAGG_4; |
| 828 | else if (load > SLIC_LOAD_3) |
| 829 | level = SLIC_INTAGG_3; |
| 830 | else if (load > SLIC_LOAD_2) |
| 831 | level = SLIC_INTAGG_2; |
| 832 | else if (load > SLIC_LOAD_1) |
| 833 | level = SLIC_INTAGG_1; |
| 834 | else |
| 835 | level = SLIC_INTAGG_0; |
| 836 | } |
| 837 | if (card->loadlevel_current != level) { |
| 838 | card->loadlevel_current = level; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 839 | slic_reg32_write(intagg, level, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 840 | } |
| 841 | } else { |
| 842 | if (load > SLIC_LOAD_5) |
| 843 | level = SLIC_INTAGG_5; |
| 844 | else if (load > SLIC_LOAD_4) |
| 845 | level = SLIC_INTAGG_4; |
| 846 | else if (load > SLIC_LOAD_3) |
| 847 | level = SLIC_INTAGG_3; |
| 848 | else if (load > SLIC_LOAD_2) |
| 849 | level = SLIC_INTAGG_2; |
| 850 | else if (load > SLIC_LOAD_1) |
| 851 | level = SLIC_INTAGG_1; |
| 852 | else |
| 853 | level = SLIC_INTAGG_0; |
| 854 | if (card->loadlevel_current != level) { |
| 855 | card->loadlevel_current = level; |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 856 | slic_reg32_write(intagg, level, FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 857 | } |
| 858 | } |
| 859 | } |
| 860 | card->events = 0; |
Greg Kroah-Hartman | db7a673 | 2009-02-25 17:28:05 -0800 | [diff] [blame] | 861 | card->loadtimer.expires = jiffies + (SLIC_LOADTIMER_PERIOD * HZ); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 862 | add_timer(&card->loadtimer); |
| 863 | } |
| 864 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 865 | static int slic_upr_queue_request(struct adapter *adapter, |
| 866 | u32 upr_request, |
| 867 | u32 upr_data, |
| 868 | u32 upr_data_h, |
| 869 | u32 upr_buffer, u32 upr_buffer_h) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 870 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 871 | struct slic_upr *upr; |
| 872 | struct slic_upr *uprqueue; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 873 | |
Ben Marsh | 82554c2 | 2016-03-01 11:06:13 +0100 | [diff] [blame] | 874 | upr = kmalloc(sizeof(*upr), GFP_ATOMIC); |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 875 | if (!upr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 876 | return -ENOMEM; |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 877 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 878 | upr->adapter = adapter->port; |
| 879 | upr->upr_request = upr_request; |
| 880 | upr->upr_data = upr_data; |
| 881 | upr->upr_buffer = upr_buffer; |
| 882 | upr->upr_data_h = upr_data_h; |
| 883 | upr->upr_buffer_h = upr_buffer_h; |
| 884 | upr->next = NULL; |
| 885 | if (adapter->upr_list) { |
| 886 | uprqueue = adapter->upr_list; |
| 887 | |
| 888 | while (uprqueue->next) |
| 889 | uprqueue = uprqueue->next; |
| 890 | uprqueue->next = upr; |
| 891 | } else { |
| 892 | adapter->upr_list = upr; |
| 893 | } |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 894 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 895 | } |
| 896 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 897 | static void slic_upr_start(struct adapter *adapter) |
| 898 | { |
| 899 | struct slic_upr *upr; |
| 900 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
Clifton Barnes | d37912d | 2016-04-05 17:37:38 -0400 | [diff] [blame] | 901 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 902 | upr = adapter->upr_list; |
| 903 | if (!upr) |
| 904 | return; |
| 905 | if (adapter->upr_busy) |
| 906 | return; |
| 907 | adapter->upr_busy = 1; |
| 908 | |
| 909 | switch (upr->upr_request) { |
| 910 | case SLIC_UPR_STATS: |
| 911 | if (upr->upr_data_h == 0) { |
| 912 | slic_reg32_write(&slic_regs->slic_stats, upr->upr_data, |
| 913 | FLUSH); |
| 914 | } else { |
| 915 | slic_reg64_write(adapter, &slic_regs->slic_stats64, |
| 916 | upr->upr_data, |
| 917 | &slic_regs->slic_addr_upper, |
| 918 | upr->upr_data_h, FLUSH); |
| 919 | } |
| 920 | break; |
| 921 | |
| 922 | case SLIC_UPR_RLSR: |
| 923 | slic_reg64_write(adapter, &slic_regs->slic_rlsr, upr->upr_data, |
| 924 | &slic_regs->slic_addr_upper, upr->upr_data_h, |
| 925 | FLUSH); |
| 926 | break; |
| 927 | |
| 928 | case SLIC_UPR_RCONFIG: |
| 929 | slic_reg64_write(adapter, &slic_regs->slic_rconfig, |
| 930 | upr->upr_data, &slic_regs->slic_addr_upper, |
| 931 | upr->upr_data_h, FLUSH); |
| 932 | break; |
| 933 | case SLIC_UPR_PING: |
| 934 | slic_reg32_write(&slic_regs->slic_ping, 1, FLUSH); |
| 935 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 936 | } |
| 937 | } |
| 938 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 939 | static int slic_upr_request(struct adapter *adapter, |
| 940 | u32 upr_request, |
| 941 | u32 upr_data, |
| 942 | u32 upr_data_h, |
| 943 | u32 upr_buffer, u32 upr_buffer_h) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 944 | { |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 945 | unsigned long flags; |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 946 | int rc; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 947 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 948 | spin_lock_irqsave(&adapter->upr_lock, flags); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 949 | rc = slic_upr_queue_request(adapter, |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 950 | upr_request, |
| 951 | upr_data, |
| 952 | upr_data_h, upr_buffer, upr_buffer_h); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 953 | if (rc) |
| 954 | goto err_unlock_irq; |
| 955 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 956 | slic_upr_start(adapter); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 957 | err_unlock_irq: |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 958 | spin_unlock_irqrestore(&adapter->upr_lock, flags); |
Kulikov Vasiliy | 3746bfd | 2010-06-27 17:20:46 +0400 | [diff] [blame] | 959 | return rc; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 960 | } |
| 961 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 962 | static void slic_link_upr_complete(struct adapter *adapter, u32 isr) |
| 963 | { |
| 964 | u32 linkstatus = adapter->pshmem->linkstatus; |
| 965 | uint linkup; |
| 966 | unsigned char linkspeed; |
| 967 | unsigned char linkduplex; |
| 968 | |
| 969 | if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { |
| 970 | struct slic_shmem *pshmem; |
| 971 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 972 | pshmem = (struct slic_shmem *)(unsigned long) |
| 973 | adapter->phys_shmem; |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 974 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 975 | slic_upr_queue_request(adapter, |
| 976 | SLIC_UPR_RLSR, |
| 977 | SLIC_GET_ADDR_LOW(&pshmem->linkstatus), |
| 978 | SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), |
| 979 | 0, 0); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 980 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 981 | slic_upr_queue_request(adapter, |
| 982 | SLIC_UPR_RLSR, |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 983 | (u32)&pshmem->linkstatus, |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 984 | SLIC_GET_ADDR_HIGH(pshmem), 0, 0); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 985 | #endif |
| 986 | return; |
| 987 | } |
| 988 | if (adapter->state != ADAPT_UP) |
| 989 | return; |
| 990 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 991 | linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN; |
| 992 | if (linkstatus & GIG_SPEED_1000) |
| 993 | linkspeed = LINK_1000MB; |
| 994 | else if (linkstatus & GIG_SPEED_100) |
| 995 | linkspeed = LINK_100MB; |
| 996 | else |
| 997 | linkspeed = LINK_10MB; |
| 998 | |
| 999 | if (linkstatus & GIG_FULLDUPLEX) |
| 1000 | linkduplex = LINK_FULLD; |
| 1001 | else |
| 1002 | linkduplex = LINK_HALFD; |
| 1003 | |
| 1004 | if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN)) |
| 1005 | return; |
| 1006 | |
| 1007 | /* link up event, but nothing has changed */ |
| 1008 | if ((adapter->linkstate == LINK_UP) && |
| 1009 | (linkup == LINK_UP) && |
| 1010 | (adapter->linkspeed == linkspeed) && |
| 1011 | (adapter->linkduplex == linkduplex)) |
| 1012 | return; |
| 1013 | |
| 1014 | /* link has changed at this point */ |
| 1015 | |
| 1016 | /* link has gone from up to down */ |
| 1017 | if (linkup == LINK_DOWN) { |
| 1018 | adapter->linkstate = LINK_DOWN; |
| 1019 | return; |
| 1020 | } |
| 1021 | |
| 1022 | /* link has gone from down to up */ |
| 1023 | adapter->linkspeed = linkspeed; |
| 1024 | adapter->linkduplex = linkduplex; |
| 1025 | |
| 1026 | if (adapter->linkstate != LINK_UP) { |
| 1027 | /* setup the mac */ |
| 1028 | slic_config_set(adapter, true); |
| 1029 | adapter->linkstate = LINK_UP; |
| 1030 | netif_start_queue(adapter->netdev); |
| 1031 | } |
| 1032 | } |
| 1033 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1034 | static void slic_upr_request_complete(struct adapter *adapter, u32 isr) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1035 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1036 | struct sliccard *card = adapter->card; |
| 1037 | struct slic_upr *upr; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1038 | unsigned long flags; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1039 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1040 | spin_lock_irqsave(&adapter->upr_lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1041 | upr = adapter->upr_list; |
| 1042 | if (!upr) { |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1043 | spin_unlock_irqrestore(&adapter->upr_lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1044 | return; |
| 1045 | } |
| 1046 | adapter->upr_list = upr->next; |
| 1047 | upr->next = NULL; |
| 1048 | adapter->upr_busy = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1049 | switch (upr->upr_request) { |
| 1050 | case SLIC_UPR_STATS: |
| 1051 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1052 | struct slic_stats *slicstats = |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1053 | (struct slic_stats *)&adapter->pshmem->inicstats; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1054 | struct slic_stats *newstats = slicstats; |
| 1055 | struct slic_stats *old = &adapter->inicstats_prev; |
| 1056 | struct slicnet_stats *stst = &adapter->slic_stats; |
Greg Kroah-Hartman | 3467db1 | 2009-02-26 14:01:22 -0800 | [diff] [blame] | 1057 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1058 | if (isr & ISR_UPCERR) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1059 | dev_err(&adapter->netdev->dev, |
| 1060 | "SLIC_UPR_STATS command failed isr[%x]\n", |
| 1061 | isr); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1062 | |
| 1063 | break; |
| 1064 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1065 | UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, |
| 1066 | newstats->xmit_tcp_segs_gb, |
| 1067 | old->xmit_tcp_segs_gb); |
| 1068 | |
| 1069 | UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, |
| 1070 | newstats->xmit_tcp_bytes_gb, |
| 1071 | old->xmit_tcp_bytes_gb); |
| 1072 | |
| 1073 | UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, |
| 1074 | newstats->rcv_tcp_segs_gb, |
| 1075 | old->rcv_tcp_segs_gb); |
| 1076 | |
| 1077 | UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, |
| 1078 | newstats->rcv_tcp_bytes_gb, |
| 1079 | old->rcv_tcp_bytes_gb); |
| 1080 | |
| 1081 | UPDATE_STATS_GB(stst->iface.xmt_bytes, |
| 1082 | newstats->xmit_bytes_gb, |
| 1083 | old->xmit_bytes_gb); |
| 1084 | |
| 1085 | UPDATE_STATS_GB(stst->iface.xmt_ucast, |
| 1086 | newstats->xmit_unicasts_gb, |
| 1087 | old->xmit_unicasts_gb); |
| 1088 | |
| 1089 | UPDATE_STATS_GB(stst->iface.rcv_bytes, |
| 1090 | newstats->rcv_bytes_gb, |
| 1091 | old->rcv_bytes_gb); |
| 1092 | |
| 1093 | UPDATE_STATS_GB(stst->iface.rcv_ucast, |
| 1094 | newstats->rcv_unicasts_gb, |
| 1095 | old->rcv_unicasts_gb); |
| 1096 | |
| 1097 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1098 | newstats->xmit_collisions_gb, |
| 1099 | old->xmit_collisions_gb); |
| 1100 | |
| 1101 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1102 | newstats->xmit_excess_collisions_gb, |
| 1103 | old->xmit_excess_collisions_gb); |
| 1104 | |
| 1105 | UPDATE_STATS_GB(stst->iface.xmt_errors, |
| 1106 | newstats->xmit_other_error_gb, |
| 1107 | old->xmit_other_error_gb); |
| 1108 | |
| 1109 | UPDATE_STATS_GB(stst->iface.rcv_errors, |
| 1110 | newstats->rcv_other_error_gb, |
| 1111 | old->rcv_other_error_gb); |
| 1112 | |
| 1113 | UPDATE_STATS_GB(stst->iface.rcv_discards, |
| 1114 | newstats->rcv_drops_gb, |
| 1115 | old->rcv_drops_gb); |
| 1116 | |
| 1117 | if (newstats->rcv_drops_gb > old->rcv_drops_gb) { |
| 1118 | adapter->rcv_drops += |
| 1119 | (newstats->rcv_drops_gb - |
| 1120 | old->rcv_drops_gb); |
| 1121 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1122 | memcpy(old, newstats, sizeof(struct slic_stats)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1123 | break; |
| 1124 | } |
| 1125 | case SLIC_UPR_RLSR: |
| 1126 | slic_link_upr_complete(adapter, isr); |
| 1127 | break; |
| 1128 | case SLIC_UPR_RCONFIG: |
| 1129 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1130 | case SLIC_UPR_PING: |
| 1131 | card->pingstatus |= (isr & ISR_PINGDSMASK); |
| 1132 | break; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1133 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1134 | kfree(upr); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1135 | slic_upr_start(adapter); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1136 | spin_unlock_irqrestore(&adapter->upr_lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1137 | } |
| 1138 | |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 1139 | 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] | 1140 | { |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 1141 | return slic_upr_request(adapter, SLIC_UPR_RCONFIG, config, config_h, |
| 1142 | 0, 0); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1143 | } |
| 1144 | |
| 1145 | /* |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1146 | * Compute a checksum of the EEPROM according to RFC 1071. |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1147 | */ |
Clifton Barnes | f2fe1bc | 2016-04-05 17:37:37 -0400 | [diff] [blame] | 1148 | static u16 slic_eeprom_cksum(void *eeprom, unsigned int len) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1149 | { |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1150 | u16 *wp = eeprom; |
| 1151 | u32 checksum = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1152 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1153 | while (len > 1) { |
| 1154 | checksum += *(wp++); |
| 1155 | len -= 2; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1156 | } |
| 1157 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1158 | if (len > 0) |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1159 | checksum += *(u8 *)wp; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1160 | |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 1161 | while (checksum >> 16) |
| 1162 | checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF); |
| 1163 | |
| 1164 | return ~checksum; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1165 | } |
| 1166 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1167 | static void slic_rspqueue_free(struct adapter *adapter) |
| 1168 | { |
| 1169 | int i; |
| 1170 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1171 | |
| 1172 | for (i = 0; i < rspq->num_pages; i++) { |
| 1173 | if (rspq->vaddr[i]) { |
| 1174 | pci_free_consistent(adapter->pcidev, PAGE_SIZE, |
| 1175 | rspq->vaddr[i], rspq->paddr[i]); |
| 1176 | } |
| 1177 | rspq->vaddr[i] = NULL; |
| 1178 | rspq->paddr[i] = 0; |
| 1179 | } |
| 1180 | rspq->offset = 0; |
| 1181 | rspq->pageindex = 0; |
| 1182 | rspq->rspbuf = NULL; |
| 1183 | } |
| 1184 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1185 | static int slic_rspqueue_init(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1186 | { |
| 1187 | int i; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1188 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1189 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 1190 | u32 paddrh = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1191 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1192 | memset(rspq, 0, sizeof(struct slic_rspqueue)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1193 | |
| 1194 | rspq->num_pages = SLIC_RSPQ_PAGES_GB; |
| 1195 | |
| 1196 | for (i = 0; i < rspq->num_pages; i++) { |
Joe Perches | 8b983be | 2014-08-08 14:24:48 -0700 | [diff] [blame] | 1197 | rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev, |
| 1198 | PAGE_SIZE, |
| 1199 | &rspq->paddr[i]); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1200 | if (!rspq->vaddr[i]) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1201 | dev_err(&adapter->pcidev->dev, |
| 1202 | "pci_alloc_consistent failed\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1203 | slic_rspqueue_free(adapter); |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 1204 | return -ENOMEM; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1205 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1206 | |
| 1207 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1208 | slic_reg32_write(&slic_regs->slic_rbar, |
| 1209 | (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), |
| 1210 | DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1211 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1212 | slic_reg64_write(adapter, &slic_regs->slic_rbar64, |
| 1213 | (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), |
| 1214 | &slic_regs->slic_addr_upper, |
| 1215 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1216 | } |
| 1217 | } |
| 1218 | rspq->offset = 0; |
| 1219 | rspq->pageindex = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1220 | rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0]; |
Kulikov Vasiliy | d193978 | 2010-06-30 17:02:45 +0400 | [diff] [blame] | 1221 | return 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1222 | } |
| 1223 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1224 | static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1225 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1226 | struct slic_rspqueue *rspq = &adapter->rspqueue; |
| 1227 | struct slic_rspbuf *buf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1228 | |
| 1229 | if (!(rspq->rspbuf->status)) |
| 1230 | return NULL; |
| 1231 | |
| 1232 | buf = rspq->rspbuf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1233 | if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { |
| 1234 | rspq->rspbuf++; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1235 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1236 | slic_reg64_write(adapter, &adapter->slic_regs->slic_rbar64, |
| 1237 | (rspq->paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE), |
| 1238 | &adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH); |
Peter Huewe | 6d1b80f | 2013-02-19 05:18:50 +0100 | [diff] [blame] | 1239 | rspq->pageindex = (rspq->pageindex + 1) % rspq->num_pages; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1240 | rspq->offset = 0; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1241 | rspq->rspbuf = (struct slic_rspbuf *) |
| 1242 | rspq->vaddr[rspq->pageindex]; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1243 | } |
Devendra Naga | 40991e4 | 2012-10-22 18:16:07 -0400 | [diff] [blame] | 1244 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1245 | return buf; |
| 1246 | } |
| 1247 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1248 | static void slic_cmdqmem_free(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1249 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1250 | struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1251 | int i; |
| 1252 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1253 | for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) { |
| 1254 | if (cmdqmem->pages[i]) { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1255 | pci_free_consistent(adapter->pcidev, |
| 1256 | PAGE_SIZE, |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1257 | (void *)cmdqmem->pages[i], |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1258 | cmdqmem->dma_pages[i]); |
| 1259 | } |
| 1260 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1261 | memset(cmdqmem, 0, sizeof(struct slic_cmdqmem)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1262 | } |
| 1263 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1264 | static u32 *slic_cmdqmem_addpage(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1265 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1266 | struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; |
| 1267 | u32 *pageaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1268 | |
| 1269 | if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES) |
| 1270 | return NULL; |
| 1271 | pageaddr = pci_alloc_consistent(adapter->pcidev, |
| 1272 | PAGE_SIZE, |
| 1273 | &cmdqmem->dma_pages[cmdqmem->pagecnt]); |
| 1274 | if (!pageaddr) |
| 1275 | return NULL; |
Devendra Naga | 40991e4 | 2012-10-22 18:16:07 -0400 | [diff] [blame] | 1276 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1277 | cmdqmem->pages[cmdqmem->pagecnt] = pageaddr; |
| 1278 | cmdqmem->pagecnt++; |
| 1279 | return pageaddr; |
| 1280 | } |
| 1281 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1282 | static void slic_cmdq_free(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1283 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1284 | struct slic_hostcmd *cmd; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1285 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1286 | cmd = adapter->cmdq_all.head; |
| 1287 | while (cmd) { |
| 1288 | if (cmd->busy) { |
| 1289 | struct sk_buff *tempskb; |
| 1290 | |
| 1291 | tempskb = cmd->skb; |
| 1292 | if (tempskb) { |
| 1293 | cmd->skb = NULL; |
| 1294 | dev_kfree_skb_irq(tempskb); |
| 1295 | } |
| 1296 | } |
| 1297 | cmd = cmd->next_all; |
| 1298 | } |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1299 | memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); |
| 1300 | memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); |
| 1301 | memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1302 | slic_cmdqmem_free(adapter); |
| 1303 | } |
| 1304 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1305 | static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1306 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1307 | struct slic_hostcmd *cmd; |
| 1308 | struct slic_hostcmd *prev; |
| 1309 | struct slic_hostcmd *tail; |
| 1310 | struct slic_cmdqueue *cmdq; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1311 | int cmdcnt; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1312 | void *cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1313 | ulong phys_addr; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1314 | u32 phys_addrl; |
| 1315 | u32 phys_addrh; |
| 1316 | struct slic_handle *pslic_handle; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1317 | unsigned long flags; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1318 | |
| 1319 | cmdaddr = page; |
Shraddha Barke | dd146d2 | 2015-10-15 00:58:24 +0530 | [diff] [blame] | 1320 | cmd = cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1321 | cmdcnt = 0; |
| 1322 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1323 | phys_addr = virt_to_bus((void *)page); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1324 | phys_addrl = SLIC_GET_ADDR_LOW(phys_addr); |
| 1325 | phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr); |
| 1326 | |
| 1327 | prev = NULL; |
| 1328 | tail = cmd; |
| 1329 | while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) && |
| 1330 | (adapter->slic_handle_ix < 256)) { |
| 1331 | /* Allocate and initialize a SLIC_HANDLE for this command */ |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1332 | spin_lock_irqsave(&adapter->handle_lock, flags); |
Monam Agarwal | b0a0fb1 | 2014-03-09 18:40:23 +0530 | [diff] [blame] | 1333 | pslic_handle = adapter->pfree_slic_handles; |
Monam Agarwal | bcadb1d | 2014-03-27 20:01:01 +0530 | [diff] [blame] | 1334 | adapter->pfree_slic_handles = pslic_handle->next; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1335 | spin_unlock_irqrestore(&adapter->handle_lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1336 | pslic_handle->type = SLIC_HANDLE_CMD; |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1337 | pslic_handle->address = (void *)cmd; |
| 1338 | pslic_handle->offset = (ushort)adapter->slic_handle_ix++; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1339 | pslic_handle->other_handle = NULL; |
| 1340 | pslic_handle->next = NULL; |
| 1341 | |
| 1342 | cmd->pslic_handle = pslic_handle; |
| 1343 | cmd->cmd64.hosthandle = pslic_handle->token.handle_token; |
Greg Kroah-Hartman | b574488 | 2009-02-25 17:16:44 -0800 | [diff] [blame] | 1344 | cmd->busy = false; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1345 | cmd->paddrl = phys_addrl; |
| 1346 | cmd->paddrh = phys_addrh; |
| 1347 | cmd->next_all = prev; |
| 1348 | cmd->next = prev; |
| 1349 | prev = cmd; |
| 1350 | phys_addrl += SLIC_HOSTCMD_SIZE; |
| 1351 | cmdaddr += SLIC_HOSTCMD_SIZE; |
| 1352 | |
Shraddha Barke | dd146d2 | 2015-10-15 00:58:24 +0530 | [diff] [blame] | 1353 | cmd = cmdaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1354 | cmdcnt++; |
| 1355 | } |
| 1356 | |
| 1357 | cmdq = &adapter->cmdq_all; |
| 1358 | cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ |
| 1359 | tail->next_all = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1360 | cmdq->head = prev; |
| 1361 | cmdq = &adapter->cmdq_free; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1362 | spin_lock_irqsave(&cmdq->lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1363 | cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ |
| 1364 | tail->next = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1365 | cmdq->head = prev; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1366 | spin_unlock_irqrestore(&cmdq->lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1367 | } |
| 1368 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1369 | static int slic_cmdq_init(struct adapter *adapter) |
| 1370 | { |
| 1371 | int i; |
| 1372 | u32 *pageaddr; |
| 1373 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1374 | memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); |
| 1375 | memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); |
| 1376 | memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1377 | spin_lock_init(&adapter->cmdq_all.lock); |
| 1378 | spin_lock_init(&adapter->cmdq_free.lock); |
| 1379 | spin_lock_init(&adapter->cmdq_done.lock); |
Devendra Naga | bae5c3d | 2012-10-23 18:08:43 -0400 | [diff] [blame] | 1380 | memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1381 | adapter->slic_handle_ix = 1; |
| 1382 | for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) { |
| 1383 | pageaddr = slic_cmdqmem_addpage(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1384 | if (!pageaddr) { |
| 1385 | slic_cmdq_free(adapter); |
| 1386 | return -ENOMEM; |
| 1387 | } |
| 1388 | slic_cmdq_addcmdpage(adapter, pageaddr); |
| 1389 | } |
| 1390 | adapter->slic_handle_ix = 1; |
| 1391 | |
| 1392 | return 0; |
| 1393 | } |
| 1394 | |
| 1395 | static void slic_cmdq_reset(struct adapter *adapter) |
| 1396 | { |
| 1397 | struct slic_hostcmd *hcmd; |
| 1398 | struct sk_buff *skb; |
| 1399 | u32 outstanding; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1400 | unsigned long flags; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1401 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1402 | spin_lock_irqsave(&adapter->cmdq_free.lock, flags); |
Dan Carpenter | 46d74c3 | 2015-05-19 15:25:24 +0300 | [diff] [blame] | 1403 | spin_lock(&adapter->cmdq_done.lock); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1404 | outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; |
| 1405 | outstanding -= adapter->cmdq_free.count; |
| 1406 | hcmd = adapter->cmdq_all.head; |
| 1407 | while (hcmd) { |
| 1408 | if (hcmd->busy) { |
| 1409 | skb = hcmd->skb; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1410 | hcmd->busy = 0; |
| 1411 | hcmd->skb = NULL; |
| 1412 | dev_kfree_skb_irq(skb); |
| 1413 | } |
| 1414 | hcmd = hcmd->next_all; |
| 1415 | } |
| 1416 | adapter->cmdq_free.count = 0; |
| 1417 | adapter->cmdq_free.head = NULL; |
| 1418 | adapter->cmdq_free.tail = NULL; |
| 1419 | adapter->cmdq_done.count = 0; |
| 1420 | adapter->cmdq_done.head = NULL; |
| 1421 | adapter->cmdq_done.tail = NULL; |
| 1422 | adapter->cmdq_free.head = adapter->cmdq_all.head; |
| 1423 | hcmd = adapter->cmdq_all.head; |
| 1424 | while (hcmd) { |
| 1425 | adapter->cmdq_free.count++; |
| 1426 | hcmd->next = hcmd->next_all; |
| 1427 | hcmd = hcmd->next_all; |
| 1428 | } |
| 1429 | if (adapter->cmdq_free.count != adapter->cmdq_all.count) { |
| 1430 | dev_err(&adapter->netdev->dev, |
| 1431 | "free_count %d != all count %d\n", |
| 1432 | adapter->cmdq_free.count, adapter->cmdq_all.count); |
| 1433 | } |
Dan Carpenter | 46d74c3 | 2015-05-19 15:25:24 +0300 | [diff] [blame] | 1434 | spin_unlock(&adapter->cmdq_done.lock); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1435 | spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 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; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1442 | unsigned long flags; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1443 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1444 | spin_lock_irqsave(&done_cmdq->lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1445 | |
| 1446 | free_cmdq->head = done_cmdq->head; |
| 1447 | free_cmdq->count = done_cmdq->count; |
| 1448 | done_cmdq->head = NULL; |
| 1449 | done_cmdq->tail = NULL; |
| 1450 | done_cmdq->count = 0; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1451 | spin_unlock_irqrestore(&done_cmdq->lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1452 | } |
| 1453 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1454 | static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1455 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1456 | struct slic_cmdqueue *cmdq = &adapter->cmdq_free; |
| 1457 | struct slic_hostcmd *cmd = NULL; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1458 | unsigned long flags; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1459 | |
| 1460 | lock_and_retry: |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1461 | spin_lock_irqsave(&cmdq->lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1462 | retry: |
| 1463 | cmd = cmdq->head; |
| 1464 | if (cmd) { |
| 1465 | cmdq->head = cmd->next; |
| 1466 | cmdq->count--; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1467 | spin_unlock_irqrestore(&cmdq->lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1468 | } else { |
| 1469 | slic_cmdq_getdone(adapter); |
| 1470 | cmd = cmdq->head; |
| 1471 | if (cmd) { |
| 1472 | goto retry; |
| 1473 | } else { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1474 | u32 *pageaddr; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1475 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1476 | spin_unlock_irqrestore(&cmdq->lock, flags); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1477 | pageaddr = slic_cmdqmem_addpage(adapter); |
| 1478 | if (pageaddr) { |
| 1479 | slic_cmdq_addcmdpage(adapter, pageaddr); |
| 1480 | goto lock_and_retry; |
| 1481 | } |
| 1482 | } |
| 1483 | } |
| 1484 | return cmd; |
| 1485 | } |
| 1486 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1487 | static void slic_cmdq_putdone_irq(struct adapter *adapter, |
| 1488 | struct slic_hostcmd *cmd) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1489 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1490 | struct slic_cmdqueue *cmdq = &adapter->cmdq_done; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1491 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1492 | spin_lock(&cmdq->lock); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1493 | cmd->busy = 0; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1494 | cmd->next = cmdq->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1495 | cmdq->head = cmd; |
| 1496 | cmdq->count++; |
| 1497 | if ((adapter->xmitq_full) && (cmdq->count > 10)) |
| 1498 | netif_wake_queue(adapter->netdev); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 1499 | spin_unlock(&cmdq->lock); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1502 | static int slic_rcvqueue_fill(struct adapter *adapter) |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1503 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1504 | void *paddr; |
| 1505 | u32 paddrl; |
| 1506 | u32 paddrh; |
| 1507 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1508 | int i = 0; |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1509 | struct device *dev = &adapter->netdev->dev; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1510 | |
| 1511 | while (i < SLIC_RCVQ_FILLENTRIES) { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1512 | struct slic_rcvbuf *rcvbuf; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1513 | struct sk_buff *skb; |
| 1514 | #ifdef KLUDGE_FOR_4GB_BOUNDARY |
| 1515 | retry_rcvqfill: |
| 1516 | #endif |
| 1517 | skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC); |
| 1518 | if (skb) { |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1519 | paddr = (void *)(unsigned long) |
| 1520 | pci_map_single(adapter->pcidev, |
| 1521 | skb->data, |
| 1522 | SLIC_RCVQ_RCVBUFSIZE, |
| 1523 | PCI_DMA_FROMDEVICE); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1524 | paddrl = SLIC_GET_ADDR_LOW(paddr); |
| 1525 | paddrh = SLIC_GET_ADDR_HIGH(paddr); |
| 1526 | |
| 1527 | skb->len = SLIC_RCVBUF_HEADSIZE; |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1528 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1529 | rcvbuf->status = 0; |
| 1530 | skb->next = NULL; |
| 1531 | #ifdef KLUDGE_FOR_4GB_BOUNDARY |
| 1532 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1533 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1534 | __func__); |
| 1535 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 1536 | dev_err(dev, " skbdata[%p]\n", |
| 1537 | skb->data); |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1538 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1539 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1540 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1541 | dev_err(dev, " paddrh[%x]\n", paddrh); |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 1542 | dev_err(dev, " rcvq->head[%p]\n", |
| 1543 | rcvq->head); |
| 1544 | dev_err(dev, " rcvq->tail[%p]\n", |
| 1545 | rcvq->tail); |
| 1546 | dev_err(dev, " rcvq->count[%x]\n", |
| 1547 | rcvq->count); |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1548 | dev_err(dev, "SKIP THIS SKB!!!!!!!!\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1549 | goto retry_rcvqfill; |
| 1550 | } |
| 1551 | #else |
| 1552 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1553 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1554 | __func__); |
| 1555 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 1556 | dev_err(dev, " skbdata[%p]\n", |
| 1557 | skb->data); |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1558 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1559 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1560 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1561 | dev_err(dev, " paddrh[%x]\n", paddrh); |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 1562 | dev_err(dev, " rcvq->head[%p]\n", |
| 1563 | rcvq->head); |
| 1564 | dev_err(dev, " rcvq->tail[%p]\n", |
| 1565 | rcvq->tail); |
| 1566 | dev_err(dev, " rcvq->count[%x]\n", |
| 1567 | rcvq->count); |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1568 | dev_err(dev, "GIVE TO CARD ANYWAY\n"); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1569 | } |
| 1570 | #endif |
| 1571 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1572 | slic_reg32_write(&adapter->slic_regs->slic_hbar, |
| 1573 | (u32)paddrl, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1574 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1575 | slic_reg64_write(adapter, |
| 1576 | &adapter->slic_regs->slic_hbar64, |
| 1577 | paddrl, |
| 1578 | &adapter->slic_regs->slic_addr_upper, |
| 1579 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1580 | } |
| 1581 | if (rcvq->head) |
| 1582 | rcvq->tail->next = skb; |
| 1583 | else |
| 1584 | rcvq->head = skb; |
| 1585 | rcvq->tail = skb; |
| 1586 | rcvq->count++; |
| 1587 | i++; |
| 1588 | } else { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1589 | dev_err(&adapter->netdev->dev, |
| 1590 | "slic_rcvqueue_fill could only get [%d] skbuffs\n", |
| 1591 | i); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1592 | break; |
| 1593 | } |
| 1594 | } |
| 1595 | return i; |
| 1596 | } |
| 1597 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1598 | static void slic_rcvqueue_free(struct adapter *adapter) |
| 1599 | { |
| 1600 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1601 | struct sk_buff *skb; |
| 1602 | |
| 1603 | while (rcvq->head) { |
| 1604 | skb = rcvq->head; |
| 1605 | rcvq->head = rcvq->head->next; |
| 1606 | dev_kfree_skb(skb); |
| 1607 | } |
| 1608 | rcvq->tail = NULL; |
| 1609 | rcvq->head = NULL; |
| 1610 | rcvq->count = 0; |
| 1611 | } |
| 1612 | |
| 1613 | static int slic_rcvqueue_init(struct adapter *adapter) |
| 1614 | { |
| 1615 | int i, count; |
| 1616 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1617 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1618 | rcvq->tail = NULL; |
| 1619 | rcvq->head = NULL; |
| 1620 | rcvq->size = SLIC_RCVQ_ENTRIES; |
| 1621 | rcvq->errors = 0; |
| 1622 | rcvq->count = 0; |
Tina Johnson | db9c930 | 2014-10-25 23:13:41 +0530 | [diff] [blame] | 1623 | i = SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1624 | count = 0; |
| 1625 | while (i) { |
| 1626 | count += slic_rcvqueue_fill(adapter); |
| 1627 | i--; |
| 1628 | } |
| 1629 | if (rcvq->count < SLIC_RCVQ_MINENTRIES) { |
| 1630 | slic_rcvqueue_free(adapter); |
| 1631 | return -ENOMEM; |
| 1632 | } |
| 1633 | return 0; |
| 1634 | } |
| 1635 | |
| 1636 | static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter) |
| 1637 | { |
| 1638 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1639 | struct sk_buff *skb; |
| 1640 | struct slic_rcvbuf *rcvbuf; |
| 1641 | int count; |
| 1642 | |
| 1643 | if (rcvq->count) { |
| 1644 | skb = rcvq->head; |
| 1645 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1646 | |
| 1647 | if (rcvbuf->status & IRHDDR_SVALID) { |
| 1648 | rcvq->head = rcvq->head->next; |
| 1649 | skb->next = NULL; |
| 1650 | rcvq->count--; |
| 1651 | } else { |
| 1652 | skb = NULL; |
| 1653 | } |
| 1654 | } else { |
| 1655 | dev_err(&adapter->netdev->dev, |
| 1656 | "RcvQ Empty!! rcvq[%p] count[%x]\n", rcvq, rcvq->count); |
| 1657 | skb = NULL; |
| 1658 | } |
| 1659 | while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { |
| 1660 | count = slic_rcvqueue_fill(adapter); |
| 1661 | if (!count) |
| 1662 | break; |
| 1663 | } |
| 1664 | if (skb) |
| 1665 | rcvq->errors = 0; |
| 1666 | return skb; |
| 1667 | } |
| 1668 | |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1669 | 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] | 1670 | { |
Lior Dotan | e9eff9d | 2008-10-04 07:10:28 +0300 | [diff] [blame] | 1671 | struct slic_rcvqueue *rcvq = &adapter->rcvqueue; |
| 1672 | void *paddr; |
| 1673 | u32 paddrl; |
| 1674 | u32 paddrh; |
| 1675 | struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head; |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1676 | struct device *dev; |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1677 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1678 | paddr = (void *)(unsigned long) |
| 1679 | pci_map_single(adapter->pcidev, skb->head, |
| 1680 | SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1681 | rcvbuf->status = 0; |
| 1682 | skb->next = NULL; |
| 1683 | |
| 1684 | paddrl = SLIC_GET_ADDR_LOW(paddr); |
| 1685 | paddrh = SLIC_GET_ADDR_HIGH(paddr); |
| 1686 | |
| 1687 | if (paddrl == 0) { |
Greg Kroah-Hartman | 4bee4f6 | 2009-02-26 15:32:42 -0800 | [diff] [blame] | 1688 | dev = &adapter->netdev->dev; |
| 1689 | dev_err(dev, "%s: LOW 32bits PHYSICAL ADDRESS == 0\n", |
| 1690 | __func__); |
| 1691 | dev_err(dev, "skb[%p] PROBLEM\n", skb); |
| 1692 | dev_err(dev, " skbdata[%p]\n", skb->data); |
| 1693 | dev_err(dev, " skblen[%x]\n", skb->len); |
| 1694 | dev_err(dev, " paddr[%p]\n", paddr); |
| 1695 | dev_err(dev, " paddrl[%x]\n", paddrl); |
| 1696 | dev_err(dev, " paddrh[%x]\n", paddrh); |
| 1697 | dev_err(dev, " rcvq->head[%p]\n", rcvq->head); |
| 1698 | dev_err(dev, " rcvq->tail[%p]\n", rcvq->tail); |
| 1699 | dev_err(dev, " rcvq->count[%x]\n", rcvq->count); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1700 | } |
| 1701 | if (paddrh == 0) { |
Greg Kroah-Hartman | 62f691a | 2009-02-25 18:10:25 -0800 | [diff] [blame] | 1702 | slic_reg32_write(&adapter->slic_regs->slic_hbar, (u32)paddrl, |
| 1703 | DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1704 | } else { |
Greg Kroah-Hartman | 28980a3 | 2009-02-25 17:43:28 -0800 | [diff] [blame] | 1705 | slic_reg64_write(adapter, &adapter->slic_regs->slic_hbar64, |
| 1706 | paddrl, &adapter->slic_regs->slic_addr_upper, |
| 1707 | paddrh, DONT_FLUSH); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 1708 | } |
| 1709 | if (rcvq->head) |
| 1710 | rcvq->tail->next = skb; |
| 1711 | else |
| 1712 | rcvq->head = skb; |
| 1713 | rcvq->tail = skb; |
| 1714 | rcvq->count++; |
| 1715 | return rcvq->count; |
| 1716 | } |
| 1717 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1718 | /* |
| 1719 | * slic_link_event_handler - |
| 1720 | * |
| 1721 | * Initiate a link configuration sequence. The link configuration begins |
| 1722 | * by issuing a READ_LINK_STATUS command to the Utility Processor on the |
| 1723 | * SLIC. Since the command finishes asynchronously, the slic_upr_comlete |
| 1724 | * routine will follow it up witha UP configuration write command, which |
| 1725 | * will also complete asynchronously. |
| 1726 | * |
| 1727 | */ |
Sudip Mukherjee | 78affe6 | 2015-09-17 22:14:32 +0530 | [diff] [blame] | 1728 | static int slic_link_event_handler(struct adapter *adapter) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1729 | { |
| 1730 | int status; |
| 1731 | struct slic_shmem *pshmem; |
| 1732 | |
| 1733 | if (adapter->state != ADAPT_UP) { |
| 1734 | /* Adapter is not operational. Ignore. */ |
Sudip Mukherjee | 78affe6 | 2015-09-17 22:14:32 +0530 | [diff] [blame] | 1735 | return -ENODEV; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1736 | } |
| 1737 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1738 | pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1739 | |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1740 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1741 | status = slic_upr_request(adapter, |
| 1742 | SLIC_UPR_RLSR, |
| 1743 | SLIC_GET_ADDR_LOW(&pshmem->linkstatus), |
| 1744 | SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), |
| 1745 | 0, 0); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1746 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1747 | status = slic_upr_request(adapter, SLIC_UPR_RLSR, |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1748 | (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1749 | 0, 0, 0); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1750 | #endif |
Sudip Mukherjee | 78affe6 | 2015-09-17 22:14:32 +0530 | [diff] [blame] | 1751 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1752 | } |
| 1753 | |
| 1754 | static void slic_init_cleanup(struct adapter *adapter) |
| 1755 | { |
| 1756 | if (adapter->intrregistered) { |
| 1757 | adapter->intrregistered = 0; |
| 1758 | free_irq(adapter->netdev->irq, adapter->netdev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1759 | } |
| 1760 | if (adapter->pshmem) { |
| 1761 | pci_free_consistent(adapter->pcidev, |
| 1762 | sizeof(struct slic_shmem), |
| 1763 | adapter->pshmem, adapter->phys_shmem); |
| 1764 | adapter->pshmem = NULL; |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 1765 | adapter->phys_shmem = (dma_addr_t)(unsigned long)NULL; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1766 | } |
| 1767 | |
| 1768 | if (adapter->pingtimerset) { |
| 1769 | adapter->pingtimerset = 0; |
| 1770 | del_timer(&adapter->pingtimer); |
| 1771 | } |
| 1772 | |
| 1773 | slic_rspqueue_free(adapter); |
| 1774 | slic_cmdq_free(adapter); |
| 1775 | slic_rcvqueue_free(adapter); |
| 1776 | } |
| 1777 | |
| 1778 | /* |
| 1779 | * Allocate a mcast_address structure to hold the multicast address. |
| 1780 | * Link it in. |
| 1781 | */ |
| 1782 | static int slic_mcast_add_list(struct adapter *adapter, char *address) |
| 1783 | { |
| 1784 | struct mcast_address *mcaddr, *mlist; |
| 1785 | |
| 1786 | /* Check to see if it already exists */ |
| 1787 | mlist = adapter->mcastaddrs; |
| 1788 | while (mlist) { |
Joe Perches | 8329419 | 2013-09-01 12:15:47 -0700 | [diff] [blame] | 1789 | if (ether_addr_equal(mlist->address, address)) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1790 | return 0; |
| 1791 | mlist = mlist->next; |
| 1792 | } |
| 1793 | |
| 1794 | /* Doesn't already exist. Allocate a structure to hold it */ |
Ben Marsh | 5d7a387 | 2016-02-29 12:37:34 +0100 | [diff] [blame] | 1795 | mcaddr = kmalloc(sizeof(*mcaddr), GFP_ATOMIC); |
Ben Marsh | 2d5f6fe | 2016-03-01 11:29:38 +0100 | [diff] [blame] | 1796 | if (!mcaddr) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1797 | return 1; |
| 1798 | |
Dilek Uzulmez | f999ac0 | 2014-10-07 02:50:28 +0300 | [diff] [blame] | 1799 | ether_addr_copy(mcaddr->address, address); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1800 | |
| 1801 | mcaddr->next = adapter->mcastaddrs; |
| 1802 | adapter->mcastaddrs = mcaddr; |
| 1803 | |
| 1804 | return 0; |
| 1805 | } |
| 1806 | |
| 1807 | static void slic_mcast_set_list(struct net_device *dev) |
| 1808 | { |
| 1809 | struct adapter *adapter = netdev_priv(dev); |
| 1810 | int status = 0; |
| 1811 | char *addresses; |
| 1812 | struct netdev_hw_addr *ha; |
| 1813 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1814 | netdev_for_each_mc_addr(ha, dev) { |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1815 | addresses = (char *)&ha->addr; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1816 | status = slic_mcast_add_list(adapter, addresses); |
| 1817 | if (status != 0) |
| 1818 | break; |
| 1819 | slic_mcast_set_bit(adapter, addresses); |
| 1820 | } |
| 1821 | |
| 1822 | if (adapter->devflags_prev != dev->flags) { |
| 1823 | adapter->macopts = MAC_DIRECTED; |
| 1824 | if (dev->flags) { |
| 1825 | if (dev->flags & IFF_BROADCAST) |
| 1826 | adapter->macopts |= MAC_BCAST; |
| 1827 | if (dev->flags & IFF_PROMISC) |
| 1828 | adapter->macopts |= MAC_PROMISC; |
| 1829 | if (dev->flags & IFF_ALLMULTI) |
| 1830 | adapter->macopts |= MAC_ALLMCAST; |
| 1831 | if (dev->flags & IFF_MULTICAST) |
| 1832 | adapter->macopts |= MAC_MCAST; |
| 1833 | } |
| 1834 | adapter->devflags_prev = dev->flags; |
| 1835 | slic_config_set(adapter, true); |
| 1836 | } else { |
| 1837 | if (status == 0) |
| 1838 | slic_mcast_set_mask(adapter); |
| 1839 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1840 | } |
| 1841 | |
| 1842 | #define XMIT_FAIL_LINK_STATE 1 |
| 1843 | #define XMIT_FAIL_ZERO_LENGTH 2 |
| 1844 | #define XMIT_FAIL_HOSTCMD_FAIL 3 |
| 1845 | |
| 1846 | static void slic_xmit_build_request(struct adapter *adapter, |
| 1847 | struct slic_hostcmd *hcmd, struct sk_buff *skb) |
| 1848 | { |
| 1849 | struct slic_host64_cmd *ihcmd; |
| 1850 | ulong phys_addr; |
| 1851 | |
| 1852 | ihcmd = &hcmd->cmd64; |
| 1853 | |
Aya Mahfouz | 6e28c2a | 2015-03-04 08:19:50 +0200 | [diff] [blame] | 1854 | ihcmd->flags = adapter->port << IHFLG_IFSHFT; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1855 | ihcmd->command = IHCMD_XMT_REQ; |
| 1856 | ihcmd->u.slic_buffers.totlen = skb->len; |
| 1857 | phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, |
| 1858 | PCI_DMA_TODEVICE); |
Amitoj Kaur Chawla | 514dd88 | 2016-03-12 15:01:04 +0530 | [diff] [blame] | 1859 | if (pci_dma_mapping_error(adapter->pcidev, phys_addr)) { |
| 1860 | kfree_skb(skb); |
| 1861 | dev_err(&adapter->pcidev->dev, "DMA mapping error\n"); |
| 1862 | return; |
| 1863 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1864 | ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr); |
| 1865 | ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr); |
| 1866 | ihcmd->u.slic_buffers.bufs[0].length = skb->len; |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1867 | #if BITS_PER_LONG == 64 |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 1868 | hcmd->cmdsize = (u32)((((u64)&ihcmd->u.slic_buffers.bufs[1] - |
| 1869 | (u64)hcmd) + 31) >> 5); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 1870 | #else |
Aya Mahfouz | a659b3e | 2015-03-04 07:34:52 +0200 | [diff] [blame] | 1871 | hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] - |
| 1872 | (u32)hcmd) + 31) >> 5; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1873 | #endif |
| 1874 | } |
| 1875 | |
| 1876 | static void slic_xmit_fail(struct adapter *adapter, |
| 1877 | struct sk_buff *skb, |
| 1878 | void *cmd, u32 skbtype, u32 status) |
| 1879 | { |
| 1880 | if (adapter->xmitq_full) |
| 1881 | netif_stop_queue(adapter->netdev); |
Ben Marsh | 2d5f6fe | 2016-03-01 11:29:38 +0100 | [diff] [blame] | 1882 | if ((!cmd) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) { |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1883 | switch (status) { |
| 1884 | case XMIT_FAIL_LINK_STATE: |
| 1885 | dev_err(&adapter->netdev->dev, |
Monam Agarwal | 5d5b44b | 2014-02-28 00:43:20 +0530 | [diff] [blame] | 1886 | "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] | 1887 | skb, skb->pkt_type, |
| 1888 | SLIC_LINKSTATE(adapter->linkstate), |
| 1889 | SLIC_ADAPTER_STATE(adapter->state), |
| 1890 | adapter->state, |
| 1891 | SLIC_CARD_STATE(adapter->card->state), |
| 1892 | adapter->card->state); |
| 1893 | break; |
| 1894 | case XMIT_FAIL_ZERO_LENGTH: |
| 1895 | dev_err(&adapter->netdev->dev, |
| 1896 | "xmit_start skb->len == 0 skb[%p] type[%x]\n", |
| 1897 | skb, skb->pkt_type); |
| 1898 | break; |
| 1899 | case XMIT_FAIL_HOSTCMD_FAIL: |
| 1900 | dev_err(&adapter->netdev->dev, |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 1901 | "xmit_start skb[%p] type[%x] No host commands available\n", |
| 1902 | skb, skb->pkt_type); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1903 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1904 | } |
| 1905 | } |
| 1906 | dev_kfree_skb(skb); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1907 | adapter->netdev->stats.tx_dropped++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1908 | } |
| 1909 | |
| 1910 | static void slic_rcv_handle_error(struct adapter *adapter, |
| 1911 | struct slic_rcvbuf *rcvbuf) |
| 1912 | { |
| 1913 | struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1914 | struct net_device *netdev = adapter->netdev; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1915 | |
| 1916 | if (adapter->devid != SLIC_1GB_DEVICE_ID) { |
| 1917 | if (hdr->frame_status14 & VRHSTAT_802OE) |
| 1918 | adapter->if_events.oflow802++; |
| 1919 | if (hdr->frame_status14 & VRHSTAT_TPOFLO) |
| 1920 | adapter->if_events.Tprtoflow++; |
| 1921 | if (hdr->frame_status_b14 & VRHSTATB_802UE) |
| 1922 | adapter->if_events.uflow802++; |
| 1923 | if (hdr->frame_status_b14 & VRHSTATB_RCVE) { |
| 1924 | adapter->if_events.rcvearly++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1925 | netdev->stats.rx_fifo_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1926 | } |
| 1927 | if (hdr->frame_status_b14 & VRHSTATB_BUFF) { |
| 1928 | adapter->if_events.Bufov++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1929 | netdev->stats.rx_over_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1930 | } |
| 1931 | if (hdr->frame_status_b14 & VRHSTATB_CARRE) { |
| 1932 | adapter->if_events.Carre++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1933 | netdev->stats.tx_carrier_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1934 | } |
| 1935 | if (hdr->frame_status_b14 & VRHSTATB_LONGE) |
| 1936 | adapter->if_events.Longe++; |
| 1937 | if (hdr->frame_status_b14 & VRHSTATB_PREA) |
| 1938 | adapter->if_events.Invp++; |
| 1939 | if (hdr->frame_status_b14 & VRHSTATB_CRC) { |
| 1940 | adapter->if_events.Crc++; |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 1941 | netdev->stats.rx_crc_errors++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1942 | } |
| 1943 | if (hdr->frame_status_b14 & VRHSTATB_DRBL) |
| 1944 | adapter->if_events.Drbl++; |
| 1945 | if (hdr->frame_status_b14 & VRHSTATB_CODE) |
| 1946 | adapter->if_events.Code++; |
| 1947 | if (hdr->frame_status_b14 & VRHSTATB_TPCSUM) |
| 1948 | adapter->if_events.TpCsum++; |
| 1949 | if (hdr->frame_status_b14 & VRHSTATB_TPHLEN) |
| 1950 | adapter->if_events.TpHlen++; |
| 1951 | if (hdr->frame_status_b14 & VRHSTATB_IPCSUM) |
| 1952 | adapter->if_events.IpCsum++; |
| 1953 | if (hdr->frame_status_b14 & VRHSTATB_IPLERR) |
| 1954 | adapter->if_events.IpLen++; |
| 1955 | if (hdr->frame_status_b14 & VRHSTATB_IPHERR) |
| 1956 | adapter->if_events.IpHlen++; |
| 1957 | } else { |
| 1958 | if (hdr->frame_statusGB & VGBSTAT_XPERR) { |
| 1959 | u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; |
| 1960 | |
| 1961 | if (xerr == VGBSTAT_XCSERR) |
| 1962 | adapter->if_events.TpCsum++; |
| 1963 | if (xerr == VGBSTAT_XUFLOW) |
| 1964 | adapter->if_events.Tprtoflow++; |
| 1965 | if (xerr == VGBSTAT_XHLEN) |
| 1966 | adapter->if_events.TpHlen++; |
| 1967 | } |
| 1968 | if (hdr->frame_statusGB & VGBSTAT_NETERR) { |
| 1969 | u32 nerr = |
| 1970 | (hdr-> |
| 1971 | frame_statusGB >> VGBSTAT_NERRSHFT) & |
| 1972 | VGBSTAT_NERRMSK; |
| 1973 | if (nerr == VGBSTAT_NCSERR) |
| 1974 | adapter->if_events.IpCsum++; |
| 1975 | if (nerr == VGBSTAT_NUFLOW) |
| 1976 | adapter->if_events.IpLen++; |
| 1977 | if (nerr == VGBSTAT_NHLEN) |
| 1978 | adapter->if_events.IpHlen++; |
| 1979 | } |
| 1980 | if (hdr->frame_statusGB & VGBSTAT_LNKERR) { |
| 1981 | u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; |
| 1982 | |
| 1983 | if (lerr == VGBSTAT_LDEARLY) |
| 1984 | adapter->if_events.rcvearly++; |
| 1985 | if (lerr == VGBSTAT_LBOFLO) |
| 1986 | adapter->if_events.Bufov++; |
| 1987 | if (lerr == VGBSTAT_LCODERR) |
| 1988 | adapter->if_events.Code++; |
| 1989 | if (lerr == VGBSTAT_LDBLNBL) |
| 1990 | adapter->if_events.Drbl++; |
| 1991 | if (lerr == VGBSTAT_LCRCERR) |
| 1992 | adapter->if_events.Crc++; |
| 1993 | if (lerr == VGBSTAT_LOFLO) |
| 1994 | adapter->if_events.oflow802++; |
| 1995 | if (lerr == VGBSTAT_LUFLO) |
| 1996 | adapter->if_events.uflow802++; |
| 1997 | } |
| 1998 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 1999 | } |
| 2000 | |
| 2001 | #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000 |
| 2002 | #define M_FAST_PATH 0x0040 |
| 2003 | |
| 2004 | static void slic_rcv_handler(struct adapter *adapter) |
| 2005 | { |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 2006 | struct net_device *netdev = adapter->netdev; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2007 | struct sk_buff *skb; |
| 2008 | struct slic_rcvbuf *rcvbuf; |
| 2009 | u32 frames = 0; |
| 2010 | |
| 2011 | while ((skb = slic_rcvqueue_getnext(adapter))) { |
| 2012 | u32 rx_bytes; |
| 2013 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2014 | rcvbuf = (struct slic_rcvbuf *)skb->head; |
| 2015 | adapter->card->events++; |
| 2016 | if (rcvbuf->status & IRHDDR_ERR) { |
| 2017 | adapter->rx_errors++; |
| 2018 | slic_rcv_handle_error(adapter, rcvbuf); |
| 2019 | slic_rcvqueue_reinsert(adapter, skb); |
| 2020 | continue; |
| 2021 | } |
| 2022 | |
| 2023 | if (!slic_mac_filter(adapter, (struct ether_header *) |
| 2024 | rcvbuf->data)) { |
| 2025 | slic_rcvqueue_reinsert(adapter, skb); |
| 2026 | continue; |
| 2027 | } |
| 2028 | skb_pull(skb, SLIC_RCVBUF_HEADSIZE); |
| 2029 | rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK); |
| 2030 | skb_put(skb, rx_bytes); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 2031 | netdev->stats.rx_packets++; |
| 2032 | netdev->stats.rx_bytes += rx_bytes; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2033 | #if SLIC_OFFLOAD_IP_CHECKSUM |
| 2034 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2035 | #endif |
| 2036 | |
| 2037 | skb->dev = adapter->netdev; |
| 2038 | skb->protocol = eth_type_trans(skb, skb->dev); |
| 2039 | netif_rx(skb); |
| 2040 | |
| 2041 | ++frames; |
| 2042 | #if SLIC_INTERRUPT_PROCESS_LIMIT |
| 2043 | if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) { |
| 2044 | adapter->rcv_interrupt_yields++; |
| 2045 | break; |
| 2046 | } |
| 2047 | #endif |
| 2048 | } |
| 2049 | adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames); |
| 2050 | } |
| 2051 | |
| 2052 | static void slic_xmit_complete(struct adapter *adapter) |
| 2053 | { |
| 2054 | struct slic_hostcmd *hcmd; |
| 2055 | struct slic_rspbuf *rspbuf; |
| 2056 | u32 frames = 0; |
| 2057 | struct slic_handle_word slic_handle_word; |
| 2058 | |
| 2059 | do { |
| 2060 | rspbuf = slic_rspqueue_getnext(adapter); |
| 2061 | if (!rspbuf) |
| 2062 | break; |
| 2063 | adapter->xmit_completes++; |
| 2064 | adapter->card->events++; |
| 2065 | /* |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2066 | * Get the complete host command buffer |
| 2067 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2068 | slic_handle_word.handle_token = rspbuf->hosthandle; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2069 | hcmd = |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2070 | adapter->slic_handles[slic_handle_word.handle_index]. |
| 2071 | address; |
| 2072 | /* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2073 | if (hcmd->type == SLIC_CMD_DUMB) { |
| 2074 | if (hcmd->skb) |
| 2075 | dev_kfree_skb_irq(hcmd->skb); |
| 2076 | slic_cmdq_putdone_irq(adapter, hcmd); |
| 2077 | } |
| 2078 | rspbuf->status = 0; |
| 2079 | rspbuf->hosthandle = 0; |
| 2080 | frames++; |
| 2081 | } while (1); |
| 2082 | adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames); |
| 2083 | } |
| 2084 | |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2085 | static void slic_interrupt_card_up(u32 isr, struct adapter *adapter, |
| 2086 | struct net_device *dev) |
| 2087 | { |
| 2088 | if (isr & ~ISR_IO) { |
| 2089 | if (isr & ISR_ERR) { |
| 2090 | adapter->error_interrupts++; |
| 2091 | if (isr & ISR_RMISS) { |
| 2092 | int count; |
| 2093 | int pre_count; |
| 2094 | int errors; |
| 2095 | |
| 2096 | struct slic_rcvqueue *rcvq = |
| 2097 | &adapter->rcvqueue; |
| 2098 | |
| 2099 | adapter->error_rmiss_interrupts++; |
| 2100 | |
| 2101 | if (!rcvq->errors) |
| 2102 | rcv_count = rcvq->count; |
| 2103 | pre_count = rcvq->count; |
| 2104 | errors = rcvq->errors; |
| 2105 | |
| 2106 | while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { |
| 2107 | count = slic_rcvqueue_fill(adapter); |
| 2108 | if (!count) |
| 2109 | break; |
| 2110 | } |
| 2111 | } else if (isr & ISR_XDROP) { |
| 2112 | dev_err(&dev->dev, |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 2113 | "isr & ISR_ERR [%x] ISR_XDROP\n", |
| 2114 | isr); |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2115 | } else { |
| 2116 | dev_err(&dev->dev, |
| 2117 | "isr & ISR_ERR [%x]\n", |
| 2118 | isr); |
| 2119 | } |
| 2120 | } |
| 2121 | |
| 2122 | if (isr & ISR_LEVENT) { |
| 2123 | adapter->linkevent_interrupts++; |
Sudip Mukherjee | cbdc251 | 2015-09-17 22:14:35 +0530 | [diff] [blame] | 2124 | if (slic_link_event_handler(adapter)) |
| 2125 | adapter->linkevent_interrupts--; |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2126 | } |
| 2127 | |
| 2128 | if ((isr & ISR_UPC) || (isr & ISR_UPCERR) || |
| 2129 | (isr & ISR_UPCBSY)) { |
| 2130 | adapter->upr_interrupts++; |
| 2131 | slic_upr_request_complete(adapter, isr); |
| 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | if (isr & ISR_RCV) { |
| 2136 | adapter->rcv_interrupts++; |
| 2137 | slic_rcv_handler(adapter); |
| 2138 | } |
| 2139 | |
| 2140 | if (isr & ISR_CMD) { |
| 2141 | adapter->xmit_interrupts++; |
| 2142 | slic_xmit_complete(adapter); |
| 2143 | } |
| 2144 | } |
| 2145 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2146 | static irqreturn_t slic_interrupt(int irq, void *dev_id) |
| 2147 | { |
Shraddha Barke | dd146d2 | 2015-10-15 00:58:24 +0530 | [diff] [blame] | 2148 | struct net_device *dev = dev_id; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2149 | struct adapter *adapter = netdev_priv(dev); |
| 2150 | u32 isr; |
| 2151 | |
| 2152 | if ((adapter->pshmem) && (adapter->pshmem->isr)) { |
| 2153 | slic_reg32_write(&adapter->slic_regs->slic_icr, |
| 2154 | ICR_INT_MASK, FLUSH); |
| 2155 | isr = adapter->isrcopy = adapter->pshmem->isr; |
| 2156 | adapter->pshmem->isr = 0; |
| 2157 | adapter->num_isrs++; |
| 2158 | switch (adapter->card->state) { |
| 2159 | case CARD_UP: |
Rashika Kheria | f66626e | 2013-10-19 13:17:10 +0530 | [diff] [blame] | 2160 | slic_interrupt_card_up(isr, adapter, dev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2161 | break; |
| 2162 | |
| 2163 | case CARD_DOWN: |
| 2164 | if ((isr & ISR_UPC) || |
| 2165 | (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { |
| 2166 | adapter->upr_interrupts++; |
| 2167 | slic_upr_request_complete(adapter, isr); |
| 2168 | } |
| 2169 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2170 | } |
| 2171 | |
| 2172 | adapter->isrcopy = 0; |
| 2173 | adapter->all_reg_writes += 2; |
| 2174 | adapter->isr_reg_writes++; |
| 2175 | slic_reg32_write(&adapter->slic_regs->slic_isr, 0, FLUSH); |
| 2176 | } else { |
| 2177 | adapter->false_interrupts++; |
| 2178 | } |
| 2179 | return IRQ_HANDLED; |
| 2180 | } |
| 2181 | |
| 2182 | #define NORMAL_ETHFRAME 0 |
| 2183 | |
| 2184 | static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev) |
| 2185 | { |
| 2186 | struct sliccard *card; |
| 2187 | struct adapter *adapter = netdev_priv(dev); |
| 2188 | struct slic_hostcmd *hcmd = NULL; |
| 2189 | u32 status = 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2190 | void *offloadcmd = NULL; |
| 2191 | |
| 2192 | card = adapter->card; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2193 | if ((adapter->linkstate != LINK_UP) || |
| 2194 | (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) { |
| 2195 | status = XMIT_FAIL_LINK_STATE; |
| 2196 | goto xmit_fail; |
| 2197 | |
| 2198 | } else if (skb->len == 0) { |
| 2199 | status = XMIT_FAIL_ZERO_LENGTH; |
| 2200 | goto xmit_fail; |
| 2201 | } |
| 2202 | |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2203 | hcmd = slic_cmdq_getfree(adapter); |
| 2204 | if (!hcmd) { |
| 2205 | adapter->xmitq_full = 1; |
| 2206 | status = XMIT_FAIL_HOSTCMD_FAIL; |
| 2207 | goto xmit_fail; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2208 | } |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2209 | hcmd->skb = skb; |
| 2210 | hcmd->busy = 1; |
| 2211 | hcmd->type = SLIC_CMD_DUMB; |
| 2212 | slic_xmit_build_request(adapter, hcmd, skb); |
Denis Kirjanov | 9092de6 | 2010-07-30 13:26:06 +0000 | [diff] [blame] | 2213 | dev->stats.tx_packets++; |
| 2214 | dev->stats.tx_bytes += skb->len; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2215 | |
| 2216 | #ifdef DEBUG_DUMP |
| 2217 | if (adapter->kill_card) { |
| 2218 | struct slic_host64_cmd ihcmd; |
| 2219 | |
| 2220 | ihcmd = &hcmd->cmd64; |
| 2221 | |
| 2222 | ihcmd->flags |= 0x40; |
| 2223 | adapter->kill_card = 0; /* only do this once */ |
| 2224 | } |
| 2225 | #endif |
| 2226 | if (hcmd->paddrh == 0) { |
| 2227 | slic_reg32_write(&adapter->slic_regs->slic_cbar, |
| 2228 | (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH); |
| 2229 | } else { |
| 2230 | slic_reg64_write(adapter, &adapter->slic_regs->slic_cbar64, |
| 2231 | (hcmd->paddrl | hcmd->cmdsize), |
| 2232 | &adapter->slic_regs->slic_addr_upper, |
| 2233 | hcmd->paddrh, DONT_FLUSH); |
| 2234 | } |
| 2235 | xmit_done: |
| 2236 | return NETDEV_TX_OK; |
| 2237 | xmit_fail: |
Peter Huewe | cbb0920 | 2013-02-19 05:18:49 +0100 | [diff] [blame] | 2238 | slic_xmit_fail(adapter, skb, offloadcmd, NORMAL_ETHFRAME, status); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2239 | goto xmit_done; |
| 2240 | } |
| 2241 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2242 | static void slic_adapter_freeresources(struct adapter *adapter) |
| 2243 | { |
| 2244 | slic_init_cleanup(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2245 | adapter->error_interrupts = 0; |
| 2246 | adapter->rcv_interrupts = 0; |
| 2247 | adapter->xmit_interrupts = 0; |
| 2248 | adapter->linkevent_interrupts = 0; |
| 2249 | adapter->upr_interrupts = 0; |
| 2250 | adapter->num_isrs = 0; |
| 2251 | adapter->xmit_completes = 0; |
| 2252 | adapter->rcv_broadcasts = 0; |
| 2253 | adapter->rcv_multicasts = 0; |
| 2254 | adapter->rcv_unicasts = 0; |
| 2255 | } |
| 2256 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2257 | static int slic_adapter_allocresources(struct adapter *adapter, |
| 2258 | unsigned long *flags) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2259 | { |
| 2260 | if (!adapter->intrregistered) { |
| 2261 | int retval; |
| 2262 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2263 | spin_unlock_irqrestore(&slic_global.driver_lock, *flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2264 | |
| 2265 | retval = request_irq(adapter->netdev->irq, |
| 2266 | &slic_interrupt, |
| 2267 | IRQF_SHARED, |
| 2268 | adapter->netdev->name, adapter->netdev); |
| 2269 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2270 | spin_lock_irqsave(&slic_global.driver_lock, *flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2271 | |
| 2272 | if (retval) { |
| 2273 | dev_err(&adapter->netdev->dev, |
| 2274 | "request_irq (%s) FAILED [%x]\n", |
| 2275 | adapter->netdev->name, retval); |
| 2276 | return retval; |
| 2277 | } |
| 2278 | adapter->intrregistered = 1; |
| 2279 | } |
| 2280 | return 0; |
| 2281 | } |
| 2282 | |
| 2283 | /* |
| 2284 | * slic_if_init |
| 2285 | * |
| 2286 | * Perform initialization of our slic interface. |
| 2287 | * |
| 2288 | */ |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2289 | static int slic_if_init(struct adapter *adapter, unsigned long *flags) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2290 | { |
| 2291 | struct sliccard *card = adapter->card; |
| 2292 | struct net_device *dev = adapter->netdev; |
| 2293 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 2294 | struct slic_shmem *pshmem; |
| 2295 | int rc; |
| 2296 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2297 | /* adapter should be down at this point */ |
| 2298 | if (adapter->state != ADAPT_DOWN) { |
| 2299 | dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n", |
| 2300 | __func__); |
| 2301 | rc = -EIO; |
| 2302 | goto err; |
| 2303 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2304 | |
| 2305 | adapter->devflags_prev = dev->flags; |
| 2306 | adapter->macopts = MAC_DIRECTED; |
| 2307 | if (dev->flags) { |
| 2308 | if (dev->flags & IFF_BROADCAST) |
| 2309 | adapter->macopts |= MAC_BCAST; |
| 2310 | if (dev->flags & IFF_PROMISC) |
| 2311 | adapter->macopts |= MAC_PROMISC; |
| 2312 | if (dev->flags & IFF_ALLMULTI) |
| 2313 | adapter->macopts |= MAC_ALLMCAST; |
| 2314 | if (dev->flags & IFF_MULTICAST) |
| 2315 | adapter->macopts |= MAC_MCAST; |
| 2316 | } |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2317 | rc = slic_adapter_allocresources(adapter, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2318 | if (rc) { |
Haneen Mohammed | eb85620 | 2015-03-06 22:05:05 +0300 | [diff] [blame] | 2319 | dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n", |
| 2320 | rc); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2321 | slic_adapter_freeresources(adapter); |
| 2322 | goto err; |
| 2323 | } |
| 2324 | |
| 2325 | if (!adapter->queues_initialized) { |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2326 | rc = slic_rspqueue_init(adapter); |
| 2327 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2328 | goto err; |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2329 | rc = slic_cmdq_init(adapter); |
| 2330 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2331 | goto err; |
Cruz Julian Bishop | 83682cd | 2013-01-14 12:29:08 +1000 | [diff] [blame] | 2332 | rc = slic_rcvqueue_init(adapter); |
| 2333 | if (rc) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2334 | goto err; |
| 2335 | adapter->queues_initialized = 1; |
| 2336 | } |
| 2337 | |
| 2338 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2339 | mdelay(1); |
| 2340 | |
| 2341 | if (!adapter->isp_initialized) { |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2342 | unsigned long flags; |
Ciprian Manea | 740d6c1 | 2015-07-26 22:26:18 +0100 | [diff] [blame] | 2343 | |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 2344 | pshmem = (struct slic_shmem *)(unsigned long) |
| 2345 | adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2346 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2347 | spin_lock_irqsave(&adapter->bit64reglock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2348 | |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 2349 | #if BITS_PER_LONG == 64 |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2350 | slic_reg32_write(&slic_regs->slic_addr_upper, |
| 2351 | SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); |
| 2352 | slic_reg32_write(&slic_regs->slic_isp, |
| 2353 | SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); |
Denis Kirjanov | 1033f1f | 2010-08-04 19:24:08 +0000 | [diff] [blame] | 2354 | #else |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2355 | slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH); |
Sean Cleator | 17d2c64 | 2014-12-02 23:45:00 +0000 | [diff] [blame] | 2356 | slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr, |
| 2357 | FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2358 | #endif |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2359 | spin_unlock_irqrestore(&adapter->bit64reglock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2360 | adapter->isp_initialized = 1; |
| 2361 | } |
| 2362 | |
| 2363 | adapter->state = ADAPT_UP; |
| 2364 | if (!card->loadtimerset) { |
Aya Mahfouz | 7d2b3cf | 2015-02-19 08:00:56 +0200 | [diff] [blame] | 2365 | setup_timer(&card->loadtimer, &slic_timer_load_check, |
| 2366 | (ulong)card); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2367 | card->loadtimer.expires = |
| 2368 | jiffies + (SLIC_LOADTIMER_PERIOD * HZ); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2369 | add_timer(&card->loadtimer); |
| 2370 | |
| 2371 | card->loadtimerset = 1; |
| 2372 | } |
| 2373 | |
| 2374 | if (!adapter->pingtimerset) { |
Aya Mahfouz | 7d2b3cf | 2015-02-19 08:00:56 +0200 | [diff] [blame] | 2375 | setup_timer(&adapter->pingtimer, &slic_timer_ping, (ulong)dev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2376 | adapter->pingtimer.expires = |
| 2377 | jiffies + (PING_TIMER_INTERVAL * HZ); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2378 | add_timer(&adapter->pingtimer); |
| 2379 | adapter->pingtimerset = 1; |
| 2380 | adapter->card->pingstatus = ISR_PINGMASK; |
| 2381 | } |
| 2382 | |
| 2383 | /* |
| 2384 | * clear any pending events, then enable interrupts |
| 2385 | */ |
| 2386 | adapter->isrcopy = 0; |
| 2387 | adapter->pshmem->isr = 0; |
| 2388 | slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH); |
| 2389 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH); |
| 2390 | |
| 2391 | slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD); |
Sudip Mukherjee | de4772a | 2015-09-17 22:14:33 +0530 | [diff] [blame] | 2392 | rc = slic_link_event_handler(adapter); |
| 2393 | if (rc) { |
| 2394 | /* disable interrupts then clear pending events */ |
| 2395 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2396 | slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH); |
| 2397 | if (adapter->pingtimerset) { |
| 2398 | del_timer(&adapter->pingtimer); |
| 2399 | adapter->pingtimerset = 0; |
| 2400 | } |
| 2401 | if (card->loadtimerset) { |
| 2402 | del_timer(&card->loadtimer); |
| 2403 | card->loadtimerset = 0; |
| 2404 | } |
| 2405 | adapter->state = ADAPT_DOWN; |
| 2406 | slic_adapter_freeresources(adapter); |
| 2407 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2408 | |
| 2409 | err: |
| 2410 | return rc; |
| 2411 | } |
| 2412 | |
| 2413 | static int slic_entry_open(struct net_device *dev) |
| 2414 | { |
| 2415 | struct adapter *adapter = netdev_priv(dev); |
| 2416 | struct sliccard *card = adapter->card; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2417 | unsigned long flags; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2418 | int status; |
| 2419 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2420 | netif_stop_queue(adapter->netdev); |
| 2421 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2422 | spin_lock_irqsave(&slic_global.driver_lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2423 | if (!adapter->activated) { |
| 2424 | card->adapters_activated++; |
| 2425 | slic_global.num_slic_ports_active++; |
| 2426 | adapter->activated = 1; |
| 2427 | } |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2428 | status = slic_if_init(adapter, &flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2429 | |
| 2430 | if (status != 0) { |
| 2431 | if (adapter->activated) { |
| 2432 | card->adapters_activated--; |
| 2433 | slic_global.num_slic_ports_active--; |
| 2434 | adapter->activated = 0; |
| 2435 | } |
Devendra Naga | 7132996 | 2012-09-05 15:33:48 +0530 | [diff] [blame] | 2436 | goto spin_unlock; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2437 | } |
| 2438 | if (!card->master) |
| 2439 | card->master = adapter; |
| 2440 | |
Devendra Naga | 7132996 | 2012-09-05 15:33:48 +0530 | [diff] [blame] | 2441 | spin_unlock: |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2442 | spin_unlock_irqrestore(&slic_global.driver_lock, flags); |
Devendra Naga | 7132996 | 2012-09-05 15:33:48 +0530 | [diff] [blame] | 2443 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2444 | } |
| 2445 | |
| 2446 | static void slic_card_cleanup(struct sliccard *card) |
| 2447 | { |
| 2448 | if (card->loadtimerset) { |
| 2449 | card->loadtimerset = 0; |
Kirill Tkhai | 161737a6 | 2014-02-10 22:36:23 +0400 | [diff] [blame] | 2450 | del_timer_sync(&card->loadtimer); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2451 | } |
| 2452 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2453 | kfree(card); |
| 2454 | } |
| 2455 | |
Bill Pemberton | ecb4f38 | 2012-11-19 13:26:48 -0500 | [diff] [blame] | 2456 | static void slic_entry_remove(struct pci_dev *pcidev) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2457 | { |
| 2458 | struct net_device *dev = pci_get_drvdata(pcidev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2459 | struct adapter *adapter = netdev_priv(dev); |
| 2460 | struct sliccard *card; |
| 2461 | struct mcast_address *mcaddr, *mlist; |
| 2462 | |
David Matlack | dedabbb | 2014-05-05 21:02:37 -0700 | [diff] [blame] | 2463 | unregister_netdev(dev); |
| 2464 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2465 | slic_adapter_freeresources(adapter); |
| 2466 | slic_unmap_mmio_space(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2467 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2468 | /* free multicast addresses */ |
| 2469 | mlist = adapter->mcastaddrs; |
| 2470 | while (mlist) { |
| 2471 | mcaddr = mlist; |
| 2472 | mlist = mlist->next; |
| 2473 | kfree(mcaddr); |
| 2474 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2475 | card = adapter->card; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2476 | card->adapters_allocated--; |
| 2477 | adapter->allocated = 0; |
| 2478 | if (!card->adapters_allocated) { |
| 2479 | struct sliccard *curr_card = slic_global.slic_card; |
Quentin Lambert | 0d0e9d9 | 2014-08-04 21:10:24 +0200 | [diff] [blame] | 2480 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2481 | if (curr_card == card) { |
| 2482 | slic_global.slic_card = card->next; |
| 2483 | } else { |
| 2484 | while (curr_card->next != card) |
| 2485 | curr_card = curr_card->next; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2486 | curr_card->next = card->next; |
| 2487 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2488 | slic_global.num_slic_cards--; |
| 2489 | slic_card_cleanup(card); |
| 2490 | } |
Vasiliy Kulikov | 20caa14 | 2010-09-28 21:08:08 +0400 | [diff] [blame] | 2491 | free_netdev(dev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2492 | pci_release_regions(pcidev); |
Devendra Naga | d99b5ac | 2012-07-11 11:54:15 +0545 | [diff] [blame] | 2493 | pci_disable_device(pcidev); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2494 | } |
| 2495 | |
| 2496 | static int slic_entry_halt(struct net_device *dev) |
| 2497 | { |
| 2498 | struct adapter *adapter = netdev_priv(dev); |
| 2499 | struct sliccard *card = adapter->card; |
| 2500 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2501 | unsigned long flags; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2502 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2503 | spin_lock_irqsave(&slic_global.driver_lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2504 | netif_stop_queue(adapter->netdev); |
| 2505 | adapter->state = ADAPT_DOWN; |
| 2506 | adapter->linkstate = LINK_DOWN; |
| 2507 | adapter->upr_list = NULL; |
| 2508 | adapter->upr_busy = 0; |
| 2509 | adapter->devflags_prev = 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2510 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2511 | adapter->all_reg_writes++; |
| 2512 | adapter->icr_reg_writes++; |
| 2513 | slic_config_clear(adapter); |
| 2514 | if (adapter->activated) { |
| 2515 | card->adapters_activated--; |
| 2516 | slic_global.num_slic_ports_active--; |
| 2517 | adapter->activated = 0; |
| 2518 | } |
| 2519 | #ifdef AUTOMATIC_RESET |
| 2520 | slic_reg32_write(&slic_regs->slic_reset_iface, 0, FLUSH); |
| 2521 | #endif |
| 2522 | /* |
| 2523 | * Reset the adapter's cmd queues |
| 2524 | */ |
| 2525 | slic_cmdq_reset(adapter); |
| 2526 | |
| 2527 | #ifdef AUTOMATIC_RESET |
| 2528 | if (!card->adapters_activated) |
| 2529 | slic_card_init(card, adapter); |
| 2530 | #endif |
| 2531 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2532 | spin_unlock_irqrestore(&slic_global.driver_lock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2533 | return 0; |
| 2534 | } |
| 2535 | |
| 2536 | static struct net_device_stats *slic_get_stats(struct net_device *dev) |
| 2537 | { |
| 2538 | struct adapter *adapter = netdev_priv(dev); |
| 2539 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2540 | dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions; |
| 2541 | dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors; |
| 2542 | dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors; |
| 2543 | dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards; |
| 2544 | dev->stats.tx_heartbeat_errors = 0; |
| 2545 | dev->stats.tx_aborted_errors = 0; |
| 2546 | dev->stats.tx_window_errors = 0; |
| 2547 | dev->stats.tx_fifo_errors = 0; |
| 2548 | dev->stats.rx_frame_errors = 0; |
| 2549 | dev->stats.rx_length_errors = 0; |
| 2550 | |
| 2551 | return &dev->stats; |
| 2552 | } |
| 2553 | |
| 2554 | static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 2555 | { |
| 2556 | struct adapter *adapter = netdev_priv(dev); |
| 2557 | struct ethtool_cmd edata; |
| 2558 | struct ethtool_cmd ecmd; |
| 2559 | u32 data[7]; |
| 2560 | u32 intagg; |
| 2561 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2562 | switch (cmd) { |
| 2563 | case SIOCSLICSETINTAGG: |
| 2564 | if (copy_from_user(data, rq->ifr_data, 28)) |
| 2565 | return -EFAULT; |
| 2566 | intagg = data[0]; |
Haneen Mohammed | eb85620 | 2015-03-06 22:05:05 +0300 | [diff] [blame] | 2567 | dev_err(&dev->dev, "set interrupt aggregation to %d\n", |
| 2568 | intagg); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2569 | slic_intagg_set(adapter, intagg); |
| 2570 | return 0; |
| 2571 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2572 | case SIOCETHTOOL: |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2573 | if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd))) |
| 2574 | return -EFAULT; |
| 2575 | |
| 2576 | if (ecmd.cmd == ETHTOOL_GSET) { |
Dan Carpenter | 986d758 | 2013-04-04 09:29:42 +0300 | [diff] [blame] | 2577 | memset(&edata, 0, sizeof(edata)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2578 | edata.supported = (SUPPORTED_10baseT_Half | |
| 2579 | SUPPORTED_10baseT_Full | |
| 2580 | SUPPORTED_100baseT_Half | |
| 2581 | SUPPORTED_100baseT_Full | |
| 2582 | SUPPORTED_Autoneg | SUPPORTED_MII); |
| 2583 | edata.port = PORT_MII; |
| 2584 | edata.transceiver = XCVR_INTERNAL; |
| 2585 | edata.phy_address = 0; |
| 2586 | if (adapter->linkspeed == LINK_100MB) |
| 2587 | edata.speed = SPEED_100; |
| 2588 | else if (adapter->linkspeed == LINK_10MB) |
| 2589 | edata.speed = SPEED_10; |
| 2590 | else |
| 2591 | edata.speed = 0; |
| 2592 | |
| 2593 | if (adapter->linkduplex == LINK_FULLD) |
| 2594 | edata.duplex = DUPLEX_FULL; |
| 2595 | else |
| 2596 | edata.duplex = DUPLEX_HALF; |
| 2597 | |
| 2598 | edata.autoneg = AUTONEG_ENABLE; |
| 2599 | edata.maxtxpkt = 1; |
| 2600 | edata.maxrxpkt = 1; |
| 2601 | if (copy_to_user(rq->ifr_data, &edata, sizeof(edata))) |
| 2602 | return -EFAULT; |
| 2603 | |
| 2604 | } else if (ecmd.cmd == ETHTOOL_SSET) { |
| 2605 | if (!capable(CAP_NET_ADMIN)) |
| 2606 | return -EPERM; |
| 2607 | |
| 2608 | if (adapter->linkspeed == LINK_100MB) |
| 2609 | edata.speed = SPEED_100; |
| 2610 | else if (adapter->linkspeed == LINK_10MB) |
| 2611 | edata.speed = SPEED_10; |
| 2612 | else |
| 2613 | edata.speed = 0; |
| 2614 | |
| 2615 | if (adapter->linkduplex == LINK_FULLD) |
| 2616 | edata.duplex = DUPLEX_FULL; |
| 2617 | else |
| 2618 | edata.duplex = DUPLEX_HALF; |
| 2619 | |
| 2620 | edata.autoneg = AUTONEG_ENABLE; |
| 2621 | edata.maxtxpkt = 1; |
| 2622 | edata.maxrxpkt = 1; |
| 2623 | if ((ecmd.speed != edata.speed) || |
| 2624 | (ecmd.duplex != edata.duplex)) { |
| 2625 | u32 speed; |
| 2626 | u32 duplex; |
| 2627 | |
| 2628 | if (ecmd.speed == SPEED_10) |
| 2629 | speed = 0; |
| 2630 | else |
| 2631 | speed = PCR_SPEED_100; |
| 2632 | if (ecmd.duplex == DUPLEX_FULL) |
| 2633 | duplex = PCR_DUPLEX_FULL; |
| 2634 | else |
| 2635 | duplex = 0; |
| 2636 | slic_link_config(adapter, speed, duplex); |
Sudip Mukherjee | 4b8645d | 2015-09-17 22:14:34 +0530 | [diff] [blame] | 2637 | if (slic_link_event_handler(adapter)) |
| 2638 | return -EFAULT; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2639 | } |
| 2640 | } |
| 2641 | return 0; |
| 2642 | default: |
| 2643 | return -EOPNOTSUPP; |
| 2644 | } |
| 2645 | } |
| 2646 | |
| 2647 | static void slic_config_pci(struct pci_dev *pcidev) |
| 2648 | { |
| 2649 | u16 pci_command; |
| 2650 | u16 new_command; |
| 2651 | |
| 2652 | pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); |
| 2653 | |
| 2654 | new_command = pci_command | PCI_COMMAND_MASTER |
| 2655 | | PCI_COMMAND_MEMORY |
| 2656 | | PCI_COMMAND_INVALIDATE |
| 2657 | | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; |
| 2658 | if (pci_command != new_command) |
| 2659 | pci_write_config_word(pcidev, PCI_COMMAND, new_command); |
| 2660 | } |
| 2661 | |
| 2662 | static int slic_card_init(struct sliccard *card, struct adapter *adapter) |
| 2663 | { |
| 2664 | __iomem struct slic_regs *slic_regs = adapter->slic_regs; |
| 2665 | struct slic_eeprom *peeprom; |
| 2666 | struct oslic_eeprom *pOeeprom; |
| 2667 | dma_addr_t phys_config; |
| 2668 | u32 phys_configh; |
| 2669 | u32 phys_configl; |
| 2670 | u32 i = 0; |
| 2671 | struct slic_shmem *pshmem; |
| 2672 | int status; |
| 2673 | uint macaddrs = card->card_size; |
| 2674 | ushort eecodesize; |
| 2675 | ushort dramsize; |
| 2676 | ushort ee_chksum; |
| 2677 | ushort calc_chksum; |
| 2678 | struct slic_config_mac *pmac; |
| 2679 | unsigned char fruformat; |
| 2680 | unsigned char oemfruformat; |
| 2681 | struct atk_fru *patkfru; |
| 2682 | union oemfru *poemfru; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2683 | unsigned long flags; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2684 | |
| 2685 | /* Reset everything except PCI configuration space */ |
| 2686 | slic_soft_reset(adapter); |
| 2687 | |
| 2688 | /* Download the microcode */ |
| 2689 | status = slic_card_download(adapter); |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2690 | if (status) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2691 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2692 | |
| 2693 | if (!card->config_set) { |
| 2694 | peeprom = pci_alloc_consistent(adapter->pcidev, |
| 2695 | sizeof(struct slic_eeprom), |
| 2696 | &phys_config); |
| 2697 | |
| 2698 | phys_configl = SLIC_GET_ADDR_LOW(phys_config); |
| 2699 | phys_configh = SLIC_GET_ADDR_HIGH(phys_config); |
| 2700 | |
| 2701 | if (!peeprom) { |
| 2702 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2703 | "Failed to allocate DMA memory for EEPROM.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2704 | return -ENOMEM; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2705 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 2706 | |
| 2707 | memset(peeprom, 0, sizeof(struct slic_eeprom)); |
| 2708 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2709 | slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH); |
| 2710 | mdelay(1); |
Joe Perches | 01d0a9b | 2013-02-26 16:33:11 -0800 | [diff] [blame] | 2711 | pshmem = (struct slic_shmem *)(unsigned long) |
| 2712 | adapter->phys_shmem; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2713 | |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2714 | spin_lock_irqsave(&adapter->bit64reglock, flags); |
David Matlack | 0783c63 | 2014-05-05 21:02:36 -0700 | [diff] [blame] | 2715 | slic_reg32_write(&slic_regs->slic_addr_upper, |
| 2716 | SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2717 | slic_reg32_write(&slic_regs->slic_isp, |
| 2718 | SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2719 | spin_unlock_irqrestore(&adapter->bit64reglock, flags); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2720 | |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2721 | status = slic_config_get(adapter, phys_configl, phys_configh); |
| 2722 | if (status) { |
| 2723 | dev_err(&adapter->pcidev->dev, |
| 2724 | "Failed to fetch config data from device.\n"); |
| 2725 | goto card_init_err; |
| 2726 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2727 | |
| 2728 | for (;;) { |
| 2729 | if (adapter->pshmem->isr) { |
| 2730 | if (adapter->pshmem->isr & ISR_UPC) { |
| 2731 | adapter->pshmem->isr = 0; |
| 2732 | slic_reg64_write(adapter, |
| 2733 | &slic_regs->slic_isp, 0, |
| 2734 | &slic_regs->slic_addr_upper, |
| 2735 | 0, FLUSH); |
| 2736 | slic_reg32_write(&slic_regs->slic_isr, |
| 2737 | 0, FLUSH); |
| 2738 | |
| 2739 | slic_upr_request_complete(adapter, 0); |
| 2740 | break; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2741 | } |
Vincent Heuken | 351e836 | 2014-06-23 05:09:18 -0700 | [diff] [blame] | 2742 | |
| 2743 | adapter->pshmem->isr = 0; |
| 2744 | slic_reg32_write(&slic_regs->slic_isr, |
| 2745 | 0, FLUSH); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2746 | } else { |
| 2747 | mdelay(1); |
| 2748 | i++; |
| 2749 | if (i > 5000) { |
| 2750 | dev_err(&adapter->pcidev->dev, |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2751 | "Fetch of config data timed out.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2752 | slic_reg64_write(adapter, |
| 2753 | &slic_regs->slic_isp, 0, |
| 2754 | &slic_regs->slic_addr_upper, |
| 2755 | 0, FLUSH); |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2756 | status = -EINVAL; |
| 2757 | goto card_init_err; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2758 | } |
| 2759 | } |
| 2760 | } |
| 2761 | |
| 2762 | switch (adapter->devid) { |
| 2763 | /* Oasis card */ |
| 2764 | case SLIC_2GB_DEVICE_ID: |
| 2765 | /* extract EEPROM data and pointers to EEPROM data */ |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 2766 | pOeeprom = (struct oslic_eeprom *)peeprom; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2767 | eecodesize = pOeeprom->EecodeSize; |
| 2768 | dramsize = pOeeprom->DramSize; |
| 2769 | pmac = pOeeprom->MacInfo; |
| 2770 | fruformat = pOeeprom->FruFormat; |
| 2771 | patkfru = &pOeeprom->AtkFru; |
| 2772 | oemfruformat = pOeeprom->OemFruFormat; |
| 2773 | poemfru = &pOeeprom->OemFru; |
| 2774 | macaddrs = 2; |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2775 | /* |
| 2776 | * Minor kludge for Oasis card |
| 2777 | * get 2 MAC addresses from the |
| 2778 | * EEPROM to ensure that function 1 |
| 2779 | * gets the Port 1 MAC address |
| 2780 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2781 | break; |
| 2782 | default: |
| 2783 | /* extract EEPROM data and pointers to EEPROM data */ |
| 2784 | eecodesize = peeprom->EecodeSize; |
| 2785 | dramsize = peeprom->DramSize; |
| 2786 | pmac = peeprom->u2.mac.MacInfo; |
| 2787 | fruformat = peeprom->FruFormat; |
| 2788 | patkfru = &peeprom->AtkFru; |
| 2789 | oemfruformat = peeprom->OemFruFormat; |
| 2790 | poemfru = &peeprom->OemFru; |
| 2791 | break; |
| 2792 | } |
| 2793 | |
| 2794 | card->config.EepromValid = false; |
| 2795 | |
| 2796 | /* see if the EEPROM is valid by checking it's checksum */ |
| 2797 | if ((eecodesize <= MAX_EECODE_SIZE) && |
| 2798 | (eecodesize >= MIN_EECODE_SIZE)) { |
| 2799 | |
| 2800 | ee_chksum = |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 2801 | *(u16 *)((char *)peeprom + (eecodesize - 2)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2802 | /* |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2803 | * calculate the EEPROM checksum |
| 2804 | */ |
David Matlack | 55b62cd | 2014-05-19 22:03:59 -0700 | [diff] [blame] | 2805 | calc_chksum = slic_eeprom_cksum(peeprom, |
| 2806 | eecodesize - 2); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2807 | /* |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2808 | * if the ucdoe chksum flag bit worked, |
| 2809 | * we wouldn't need this |
| 2810 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2811 | if (ee_chksum == calc_chksum) |
| 2812 | card->config.EepromValid = true; |
| 2813 | } |
| 2814 | /* copy in the DRAM size */ |
| 2815 | card->config.DramSize = dramsize; |
| 2816 | |
| 2817 | /* copy in the MAC address(es) */ |
| 2818 | for (i = 0; i < macaddrs; i++) { |
| 2819 | memcpy(&card->config.MacInfo[i], |
| 2820 | &pmac[i], sizeof(struct slic_config_mac)); |
| 2821 | } |
| 2822 | |
| 2823 | /* copy the Alacritech FRU information */ |
| 2824 | card->config.FruFormat = fruformat; |
| 2825 | memcpy(&card->config.AtkFru, patkfru, |
| 2826 | sizeof(struct atk_fru)); |
| 2827 | |
| 2828 | pci_free_consistent(adapter->pcidev, |
| 2829 | sizeof(struct slic_eeprom), |
| 2830 | peeprom, phys_config); |
| 2831 | |
David Matlack | 28277a5 | 2014-05-19 22:04:00 -0700 | [diff] [blame] | 2832 | if (!card->config.EepromValid) { |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2833 | slic_reg64_write(adapter, &slic_regs->slic_isp, 0, |
| 2834 | &slic_regs->slic_addr_upper, |
| 2835 | 0, FLUSH); |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2836 | dev_err(&adapter->pcidev->dev, "EEPROM invalid.\n"); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2837 | return -EINVAL; |
| 2838 | } |
| 2839 | |
| 2840 | card->config_set = 1; |
| 2841 | } |
| 2842 | |
David Matlack | 811e843 | 2014-05-23 21:04:55 -0700 | [diff] [blame] | 2843 | status = slic_card_download_gbrcv(adapter); |
| 2844 | if (status) |
| 2845 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2846 | |
| 2847 | if (slic_global.dynamic_intagg) |
| 2848 | slic_intagg_set(adapter, 0); |
| 2849 | else |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 2850 | slic_intagg_set(adapter, adapter->intagg_delay); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2851 | |
| 2852 | /* |
| 2853 | * Initialize ping status to "ok" |
| 2854 | */ |
| 2855 | card->pingstatus = ISR_PINGMASK; |
| 2856 | |
| 2857 | /* |
| 2858 | * Lastly, mark our card state as up and return success |
| 2859 | */ |
| 2860 | card->state = CARD_UP; |
| 2861 | card->reset_in_progress = 0; |
| 2862 | |
| 2863 | return 0; |
David Matlack | 47a401a | 2014-05-22 21:38:45 -0700 | [diff] [blame] | 2864 | |
| 2865 | card_init_err: |
| 2866 | pci_free_consistent(adapter->pcidev, sizeof(struct slic_eeprom), |
| 2867 | peeprom, phys_config); |
| 2868 | return status; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2869 | } |
| 2870 | |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 2871 | static int slic_get_coalesce(struct net_device *dev, |
| 2872 | struct ethtool_coalesce *coalesce) |
| 2873 | { |
| 2874 | struct adapter *adapter = netdev_priv(dev); |
| 2875 | |
| 2876 | adapter->intagg_delay = coalesce->rx_coalesce_usecs; |
| 2877 | adapter->dynamic_intagg = coalesce->use_adaptive_rx_coalesce; |
| 2878 | return 0; |
| 2879 | } |
| 2880 | |
| 2881 | static int slic_set_coalesce(struct net_device *dev, |
| 2882 | struct ethtool_coalesce *coalesce) |
| 2883 | { |
| 2884 | struct adapter *adapter = netdev_priv(dev); |
| 2885 | |
| 2886 | coalesce->rx_coalesce_usecs = adapter->intagg_delay; |
| 2887 | coalesce->use_adaptive_rx_coalesce = adapter->dynamic_intagg; |
| 2888 | return 0; |
| 2889 | } |
| 2890 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2891 | static void slic_init_driver(void) |
| 2892 | { |
| 2893 | if (slic_first_init) { |
| 2894 | slic_first_init = 0; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2895 | spin_lock_init(&slic_global.driver_lock); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2896 | } |
| 2897 | } |
| 2898 | |
| 2899 | static void slic_init_adapter(struct net_device *netdev, |
| 2900 | struct pci_dev *pcidev, |
| 2901 | const struct pci_device_id *pci_tbl_entry, |
| 2902 | void __iomem *memaddr, int chip_idx) |
| 2903 | { |
| 2904 | ushort index; |
| 2905 | struct slic_handle *pslic_handle; |
| 2906 | struct adapter *adapter = netdev_priv(netdev); |
| 2907 | |
| 2908 | /* adapter->pcidev = pcidev;*/ |
| 2909 | adapter->vendid = pci_tbl_entry->vendor; |
| 2910 | adapter->devid = pci_tbl_entry->device; |
| 2911 | adapter->subsysid = pci_tbl_entry->subdevice; |
| 2912 | adapter->busnumber = pcidev->bus->number; |
| 2913 | adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); |
| 2914 | adapter->functionnumber = (pcidev->devfn & 0x7); |
Shraddha Barke | dd146d2 | 2015-10-15 00:58:24 +0530 | [diff] [blame] | 2915 | adapter->slic_regs = memaddr; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2916 | adapter->irq = pcidev->irq; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2917 | adapter->chipid = chip_idx; |
Janani Ravichandran | 3e0a66d | 2016-02-21 16:31:44 -0500 | [diff] [blame] | 2918 | adapter->port = 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2919 | adapter->cardindex = adapter->port; |
David Matlack | eafe600 | 2015-05-11 20:40:35 -0700 | [diff] [blame] | 2920 | spin_lock_init(&adapter->upr_lock); |
| 2921 | spin_lock_init(&adapter->bit64reglock); |
| 2922 | spin_lock_init(&adapter->adapter_lock); |
| 2923 | spin_lock_init(&adapter->reset_lock); |
| 2924 | spin_lock_init(&adapter->handle_lock); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2925 | |
| 2926 | adapter->card_size = 1; |
| 2927 | /* |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2928 | * Initialize slic_handle array |
| 2929 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2930 | /* |
Amarjargal Gundjalam | f773a83 | 2015-10-25 07:48:57 -0700 | [diff] [blame] | 2931 | * Start with 1. 0 is an invalid host handle. |
| 2932 | */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2933 | for (index = 1, pslic_handle = &adapter->slic_handles[1]; |
| 2934 | index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) { |
| 2935 | |
| 2936 | pslic_handle->token.handle_index = index; |
| 2937 | pslic_handle->type = SLIC_HANDLE_FREE; |
| 2938 | pslic_handle->next = adapter->pfree_slic_handles; |
| 2939 | adapter->pfree_slic_handles = pslic_handle; |
| 2940 | } |
| 2941 | adapter->pshmem = (struct slic_shmem *) |
| 2942 | pci_alloc_consistent(adapter->pcidev, |
| 2943 | sizeof(struct slic_shmem), |
| 2944 | &adapter-> |
| 2945 | phys_shmem); |
Devendra Naga | b8131fc | 2012-09-05 15:33:47 +0530 | [diff] [blame] | 2946 | if (adapter->pshmem) |
| 2947 | memset(adapter->pshmem, 0, sizeof(struct slic_shmem)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2948 | } |
| 2949 | |
| 2950 | static const struct net_device_ops slic_netdev_ops = { |
| 2951 | .ndo_open = slic_entry_open, |
| 2952 | .ndo_stop = slic_entry_halt, |
| 2953 | .ndo_start_xmit = slic_xmit_start, |
| 2954 | .ndo_do_ioctl = slic_ioctl, |
| 2955 | .ndo_set_mac_address = slic_mac_set_address, |
| 2956 | .ndo_get_stats = slic_get_stats, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 2957 | .ndo_set_rx_mode = slic_mcast_set_list, |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2958 | .ndo_validate_addr = eth_validate_addr, |
| 2959 | .ndo_change_mtu = eth_change_mtu, |
| 2960 | }; |
| 2961 | |
| 2962 | static u32 slic_card_locate(struct adapter *adapter) |
| 2963 | { |
| 2964 | struct sliccard *card = slic_global.slic_card; |
| 2965 | struct physcard *physcard = slic_global.phys_card; |
| 2966 | ushort card_hostid; |
| 2967 | u16 __iomem *hostid_reg; |
| 2968 | uint i; |
| 2969 | uint rdhostid_offset = 0; |
| 2970 | |
| 2971 | switch (adapter->devid) { |
| 2972 | case SLIC_2GB_DEVICE_ID: |
| 2973 | rdhostid_offset = SLIC_RDHOSTID_2GB; |
| 2974 | break; |
| 2975 | case SLIC_1GB_DEVICE_ID: |
| 2976 | rdhostid_offset = SLIC_RDHOSTID_1GB; |
| 2977 | break; |
| 2978 | default: |
Devendra Naga | 0ab1900 | 2012-07-09 23:04:20 +0530 | [diff] [blame] | 2979 | return -ENODEV; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2980 | } |
| 2981 | |
| 2982 | hostid_reg = |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 2983 | (u16 __iomem *)(((u8 __iomem *)(adapter->slic_regs)) + |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2984 | rdhostid_offset); |
| 2985 | |
| 2986 | /* read the 16 bit hostid from SRAM */ |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 2987 | card_hostid = (ushort)readw(hostid_reg); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2988 | |
| 2989 | /* Initialize a new card structure if need be */ |
| 2990 | if (card_hostid == SLIC_HOSTID_DEFAULT) { |
Ben Marsh | e4a3482 | 2016-03-01 10:55:35 +0100 | [diff] [blame] | 2991 | card = kzalloc(sizeof(*card), GFP_KERNEL); |
Ben Marsh | 2d5f6fe | 2016-03-01 11:29:38 +0100 | [diff] [blame] | 2992 | if (!card) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 2993 | return -ENOMEM; |
| 2994 | |
| 2995 | card->next = slic_global.slic_card; |
| 2996 | slic_global.slic_card = card; |
| 2997 | card->busnumber = adapter->busnumber; |
| 2998 | card->slotnumber = adapter->slotnumber; |
| 2999 | |
| 3000 | /* Find an available cardnum */ |
| 3001 | for (i = 0; i < SLIC_MAX_CARDS; i++) { |
| 3002 | if (slic_global.cardnuminuse[i] == 0) { |
| 3003 | slic_global.cardnuminuse[i] = 1; |
| 3004 | card->cardnum = i; |
| 3005 | break; |
| 3006 | } |
| 3007 | } |
| 3008 | slic_global.num_slic_cards++; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3009 | } else { |
| 3010 | /* Card exists, find the card this adapter belongs to */ |
| 3011 | while (card) { |
| 3012 | if (card->cardnum == card_hostid) |
| 3013 | break; |
| 3014 | card = card->next; |
| 3015 | } |
| 3016 | } |
| 3017 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3018 | if (!card) |
| 3019 | return -ENXIO; |
| 3020 | /* Put the adapter in the card's adapter list */ |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3021 | if (!card->adapter[adapter->port]) { |
| 3022 | card->adapter[adapter->port] = adapter; |
| 3023 | adapter->card = card; |
| 3024 | } |
| 3025 | |
| 3026 | card->card_size = 1; /* one port per *logical* card */ |
| 3027 | |
| 3028 | while (physcard) { |
| 3029 | for (i = 0; i < SLIC_MAX_PORTS; i++) { |
Peter Huewe | 20d403e | 2013-02-19 05:18:51 +0100 | [diff] [blame] | 3030 | if (physcard->adapter[i]) |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3031 | break; |
| 3032 | } |
Peter Huewe | 20d403e | 2013-02-19 05:18:51 +0100 | [diff] [blame] | 3033 | if (i == SLIC_MAX_PORTS) |
| 3034 | break; |
| 3035 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3036 | if (physcard->adapter[i]->slotnumber == adapter->slotnumber) |
| 3037 | break; |
| 3038 | physcard = physcard->next; |
| 3039 | } |
| 3040 | if (!physcard) { |
| 3041 | /* no structure allocated for this physical card yet */ |
Ben Marsh | 4374849 | 2016-02-29 12:33:30 +0100 | [diff] [blame] | 3042 | physcard = kzalloc(sizeof(*physcard), GFP_ATOMIC); |
Devendra Naga | 34ec83f | 2012-10-25 02:11:51 -0400 | [diff] [blame] | 3043 | if (!physcard) { |
| 3044 | if (card_hostid == SLIC_HOSTID_DEFAULT) |
| 3045 | kfree(card); |
Devendra Naga | 0608882 | 2012-10-23 18:04:32 -0400 | [diff] [blame] | 3046 | return -ENOMEM; |
Devendra Naga | 34ec83f | 2012-10-25 02:11:51 -0400 | [diff] [blame] | 3047 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3048 | |
| 3049 | physcard->next = slic_global.phys_card; |
| 3050 | slic_global.phys_card = physcard; |
| 3051 | physcard->adapters_allocd = 1; |
| 3052 | } else { |
| 3053 | physcard->adapters_allocd++; |
| 3054 | } |
| 3055 | /* Note - this is ZERO relative */ |
| 3056 | adapter->physport = physcard->adapters_allocd - 1; |
| 3057 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3058 | physcard->adapter[adapter->physport] = adapter; |
| 3059 | adapter->physcard = physcard; |
| 3060 | |
| 3061 | return 0; |
| 3062 | } |
| 3063 | |
Bill Pemberton | a0c2feb | 2012-11-19 13:22:02 -0500 | [diff] [blame] | 3064 | static int slic_entry_probe(struct pci_dev *pcidev, |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3065 | const struct pci_device_id *pci_tbl_entry) |
| 3066 | { |
| 3067 | static int cards_found; |
| 3068 | static int did_version; |
| 3069 | int err = -ENODEV; |
| 3070 | struct net_device *netdev; |
| 3071 | struct adapter *adapter; |
| 3072 | void __iomem *memmapped_ioaddr = NULL; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3073 | ulong mmio_start = 0; |
| 3074 | ulong mmio_len = 0; |
| 3075 | struct sliccard *card = NULL; |
| 3076 | int pci_using_dac = 0; |
| 3077 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3078 | err = pci_enable_device(pcidev); |
| 3079 | |
| 3080 | if (err) |
| 3081 | return err; |
| 3082 | |
David Matlack | 04cc3c8 | 2014-05-05 21:02:34 -0700 | [diff] [blame] | 3083 | if (did_version++ == 0) { |
| 3084 | dev_info(&pcidev->dev, "%s\n", slic_banner); |
| 3085 | dev_info(&pcidev->dev, "%s\n", slic_proc_version); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3086 | } |
| 3087 | |
| 3088 | if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) { |
| 3089 | pci_using_dac = 1; |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3090 | err = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64)); |
| 3091 | if (err) { |
Rashika Kheria | 79b0ae8 | 2013-10-19 13:17:59 +0530 | [diff] [blame] | 3092 | 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] | 3093 | goto err_out_disable_pci; |
| 3094 | } |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3095 | } else { |
| 3096 | err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); |
| 3097 | if (err) { |
| 3098 | dev_err(&pcidev->dev, "no usable DMA configuration\n"); |
| 3099 | goto err_out_disable_pci; |
| 3100 | } |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3101 | pci_using_dac = 0; |
| 3102 | pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32)); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3103 | } |
| 3104 | |
| 3105 | err = pci_request_regions(pcidev, DRV_NAME); |
| 3106 | if (err) { |
| 3107 | dev_err(&pcidev->dev, "can't obtain PCI resources\n"); |
| 3108 | goto err_out_disable_pci; |
| 3109 | } |
| 3110 | |
| 3111 | pci_set_master(pcidev); |
| 3112 | |
| 3113 | netdev = alloc_etherdev(sizeof(struct adapter)); |
| 3114 | if (!netdev) { |
| 3115 | err = -ENOMEM; |
| 3116 | goto err_out_exit_slic_probe; |
| 3117 | } |
| 3118 | |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 3119 | netdev->ethtool_ops = &slic_ethtool_ops; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3120 | SET_NETDEV_DEV(netdev, &pcidev->dev); |
| 3121 | |
| 3122 | pci_set_drvdata(pcidev, netdev); |
| 3123 | adapter = netdev_priv(netdev); |
| 3124 | adapter->netdev = netdev; |
| 3125 | adapter->pcidev = pcidev; |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 3126 | slic_global.dynamic_intagg = adapter->dynamic_intagg; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3127 | if (pci_using_dac) |
| 3128 | netdev->features |= NETIF_F_HIGHDMA; |
| 3129 | |
| 3130 | mmio_start = pci_resource_start(pcidev, 0); |
| 3131 | mmio_len = pci_resource_len(pcidev, 0); |
| 3132 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3133 | memmapped_ioaddr = ioremap(mmio_start, mmio_len); |
| 3134 | if (!memmapped_ioaddr) { |
| 3135 | dev_err(&pcidev->dev, "cannot remap MMIO region %lx @ %lx\n", |
| 3136 | mmio_len, mmio_start); |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3137 | err = -ENOMEM; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3138 | goto err_out_free_netdev; |
| 3139 | } |
| 3140 | |
| 3141 | slic_config_pci(pcidev); |
| 3142 | |
| 3143 | slic_init_driver(); |
| 3144 | |
| 3145 | slic_init_adapter(netdev, |
| 3146 | pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found); |
| 3147 | |
Wei Yongjun | 1154eb5 | 2013-05-13 14:04:58 +0800 | [diff] [blame] | 3148 | err = slic_card_locate(adapter); |
| 3149 | if (err) { |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3150 | dev_err(&pcidev->dev, "cannot locate card\n"); |
Kristina Martšenko | eea7c70 | 2014-03-18 17:05:56 +0200 | [diff] [blame] | 3151 | goto err_out_unmap; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3152 | } |
| 3153 | |
| 3154 | card = adapter->card; |
| 3155 | |
| 3156 | if (!adapter->allocated) { |
| 3157 | card->adapters_allocated++; |
| 3158 | adapter->allocated = 1; |
| 3159 | } |
| 3160 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3161 | err = slic_card_init(card, adapter); |
| 3162 | if (err) |
| 3163 | goto err_out_unmap; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3164 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3165 | slic_adapter_set_hwaddr(adapter); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3166 | |
Amarjargal Gundjalam | 8610cbc | 2015-10-25 07:48:55 -0700 | [diff] [blame] | 3167 | netdev->base_addr = (unsigned long)memmapped_ioaddr; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3168 | netdev->irq = adapter->irq; |
| 3169 | netdev->netdev_ops = &slic_netdev_ops; |
| 3170 | |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3171 | strcpy(netdev->name, "eth%d"); |
| 3172 | err = register_netdev(netdev); |
| 3173 | if (err) { |
| 3174 | dev_err(&pcidev->dev, "Cannot register net device, aborting.\n"); |
| 3175 | goto err_out_unmap; |
| 3176 | } |
| 3177 | |
| 3178 | cards_found++; |
| 3179 | |
David Matlack | 65bc0aa | 2014-05-05 21:02:31 -0700 | [diff] [blame] | 3180 | return 0; |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3181 | |
| 3182 | err_out_unmap: |
| 3183 | iounmap(memmapped_ioaddr); |
Denis Kirjanov | 4d6ea9c | 2010-07-10 07:12:46 +0000 | [diff] [blame] | 3184 | err_out_free_netdev: |
| 3185 | free_netdev(netdev); |
| 3186 | err_out_exit_slic_probe: |
| 3187 | pci_release_regions(pcidev); |
| 3188 | err_out_disable_pci: |
| 3189 | pci_disable_device(pcidev); |
| 3190 | return err; |
| 3191 | } |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3192 | |
| 3193 | static struct pci_driver slic_driver = { |
| 3194 | .name = DRV_NAME, |
| 3195 | .id_table = slic_pci_tbl, |
| 3196 | .probe = slic_entry_probe, |
Bill Pemberton | 2e0d79c | 2012-11-19 13:20:59 -0500 | [diff] [blame] | 3197 | .remove = slic_entry_remove, |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3198 | }; |
| 3199 | |
| 3200 | static int __init slic_module_init(void) |
| 3201 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3202 | slic_init_driver(); |
| 3203 | |
Greg Kroah-Hartman | e8bc9b7 | 2009-02-26 14:43:03 -0800 | [diff] [blame] | 3204 | return pci_register_driver(&slic_driver); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3205 | } |
| 3206 | |
| 3207 | static void __exit slic_module_cleanup(void) |
| 3208 | { |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3209 | pci_unregister_driver(&slic_driver); |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3210 | } |
| 3211 | |
Kevin Wern | c8e9b92 | 2016-01-16 13:44:41 -0800 | [diff] [blame] | 3212 | static struct ethtool_ops slic_ethtool_ops = { |
| 3213 | .get_coalesce = slic_get_coalesce, |
| 3214 | .set_coalesce = slic_set_coalesce |
| 3215 | }; |
| 3216 | |
Greg Kroah-Hartman | 4d6f6af | 2008-03-19 14:27:25 -0700 | [diff] [blame] | 3217 | module_init(slic_module_init); |
| 3218 | module_exit(slic_module_cleanup); |