Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1 | /* |
Divy Le Ray | a02d44a | 2008-10-13 18:47:30 -0700 | [diff] [blame] | 2 | * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3 | * |
Divy Le Ray | 1d68e93 | 2007-01-30 19:44:35 -0800 | [diff] [blame] | 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 9 | * |
Divy Le Ray | 1d68e93 | 2007-01-30 19:44:35 -0800 | [diff] [blame] | 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 31 | */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 32 | #include <linux/module.h> |
| 33 | #include <linux/moduleparam.h> |
| 34 | #include <linux/init.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/dma-mapping.h> |
| 37 | #include <linux/netdevice.h> |
| 38 | #include <linux/etherdevice.h> |
| 39 | #include <linux/if_vlan.h> |
Ben Hutchings | 0f07c4e | 2009-04-29 08:07:20 +0000 | [diff] [blame] | 40 | #include <linux/mdio.h> |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 41 | #include <linux/sockios.h> |
| 42 | #include <linux/workqueue.h> |
| 43 | #include <linux/proc_fs.h> |
| 44 | #include <linux/rtnetlink.h> |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 45 | #include <linux/firmware.h> |
vignesh babu | d9da466 | 2007-07-09 11:50:22 -0700 | [diff] [blame] | 46 | #include <linux/log2.h> |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 47 | #include <linux/stringify.h> |
Steve Wise | e998f24 | 2010-01-27 17:03:34 +0000 | [diff] [blame^] | 48 | #include <linux/sched.h> |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 49 | #include <asm/uaccess.h> |
| 50 | |
| 51 | #include "common.h" |
| 52 | #include "cxgb3_ioctl.h" |
| 53 | #include "regs.h" |
| 54 | #include "cxgb3_offload.h" |
| 55 | #include "version.h" |
| 56 | |
| 57 | #include "cxgb3_ctl_defs.h" |
| 58 | #include "t3_cpl.h" |
| 59 | #include "firmware_exports.h" |
| 60 | |
| 61 | enum { |
| 62 | MAX_TXQ_ENTRIES = 16384, |
| 63 | MAX_CTRL_TXQ_ENTRIES = 1024, |
| 64 | MAX_RSPQ_ENTRIES = 16384, |
| 65 | MAX_RX_BUFFERS = 16384, |
| 66 | MAX_RX_JUMBO_BUFFERS = 16384, |
| 67 | MIN_TXQ_ENTRIES = 4, |
| 68 | MIN_CTRL_TXQ_ENTRIES = 4, |
| 69 | MIN_RSPQ_ENTRIES = 32, |
| 70 | MIN_FL_ENTRIES = 32 |
| 71 | }; |
| 72 | |
| 73 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) |
| 74 | |
| 75 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ |
| 76 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ |
| 77 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) |
| 78 | |
| 79 | #define EEPROM_MAGIC 0x38E2F10C |
| 80 | |
Divy Le Ray | 678771d | 2007-11-16 14:26:44 -0800 | [diff] [blame] | 81 | #define CH_DEVICE(devid, idx) \ |
| 82 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 83 | |
| 84 | static const struct pci_device_id cxgb3_pci_tbl[] = { |
Divy Le Ray | 678771d | 2007-11-16 14:26:44 -0800 | [diff] [blame] | 85 | CH_DEVICE(0x20, 0), /* PE9000 */ |
| 86 | CH_DEVICE(0x21, 1), /* T302E */ |
| 87 | CH_DEVICE(0x22, 2), /* T310E */ |
| 88 | CH_DEVICE(0x23, 3), /* T320X */ |
| 89 | CH_DEVICE(0x24, 1), /* T302X */ |
| 90 | CH_DEVICE(0x25, 3), /* T320E */ |
| 91 | CH_DEVICE(0x26, 2), /* T310X */ |
| 92 | CH_DEVICE(0x30, 2), /* T3B10 */ |
| 93 | CH_DEVICE(0x31, 3), /* T3B20 */ |
| 94 | CH_DEVICE(0x32, 1), /* T3B02 */ |
Divy Le Ray | ce03aad | 2009-02-18 17:47:57 -0800 | [diff] [blame] | 95 | CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ |
Divy Le Ray | 7445142 | 2009-05-29 12:52:44 +0000 | [diff] [blame] | 96 | CH_DEVICE(0x36, 3), /* S320E-CR */ |
| 97 | CH_DEVICE(0x37, 7), /* N320E-G2 */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 98 | {0,} |
| 99 | }; |
| 100 | |
| 101 | MODULE_DESCRIPTION(DRV_DESC); |
| 102 | MODULE_AUTHOR("Chelsio Communications"); |
Divy Le Ray | 1d68e93 | 2007-01-30 19:44:35 -0800 | [diff] [blame] | 103 | MODULE_LICENSE("Dual BSD/GPL"); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 104 | MODULE_VERSION(DRV_VERSION); |
| 105 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); |
| 106 | |
| 107 | static int dflt_msg_enable = DFLT_MSG_ENABLE; |
| 108 | |
| 109 | module_param(dflt_msg_enable, int, 0644); |
| 110 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); |
| 111 | |
| 112 | /* |
| 113 | * The driver uses the best interrupt scheme available on a platform in the |
| 114 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which |
| 115 | * of these schemes the driver may consider as follows: |
| 116 | * |
| 117 | * msi = 2: choose from among all three options |
| 118 | * msi = 1: only consider MSI and pin interrupts |
| 119 | * msi = 0: force pin interrupts |
| 120 | */ |
| 121 | static int msi = 2; |
| 122 | |
| 123 | module_param(msi, int, 0644); |
| 124 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); |
| 125 | |
| 126 | /* |
| 127 | * The driver enables offload as a default. |
| 128 | * To disable it, use ofld_disable = 1. |
| 129 | */ |
| 130 | |
| 131 | static int ofld_disable = 0; |
| 132 | |
| 133 | module_param(ofld_disable, int, 0644); |
| 134 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); |
| 135 | |
| 136 | /* |
| 137 | * We have work elements that we need to cancel when an interface is taken |
| 138 | * down. Normally the work elements would be executed by keventd but that |
| 139 | * can deadlock because of linkwatch. If our close method takes the rtnl |
| 140 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch |
| 141 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting |
| 142 | * for our work to complete. Get our own work queue to solve this. |
| 143 | */ |
Steve Wise | e998f24 | 2010-01-27 17:03:34 +0000 | [diff] [blame^] | 144 | struct workqueue_struct *cxgb3_wq; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 145 | |
| 146 | /** |
| 147 | * link_report - show link status and link speed/duplex |
| 148 | * @p: the port whose settings are to be reported |
| 149 | * |
| 150 | * Shows the link status, speed, and duplex of a port. |
| 151 | */ |
| 152 | static void link_report(struct net_device *dev) |
| 153 | { |
| 154 | if (!netif_carrier_ok(dev)) |
| 155 | printk(KERN_INFO "%s: link down\n", dev->name); |
| 156 | else { |
| 157 | const char *s = "10Mbps"; |
| 158 | const struct port_info *p = netdev_priv(dev); |
| 159 | |
| 160 | switch (p->link_config.speed) { |
| 161 | case SPEED_10000: |
| 162 | s = "10Gbps"; |
| 163 | break; |
| 164 | case SPEED_1000: |
| 165 | s = "1000Mbps"; |
| 166 | break; |
| 167 | case SPEED_100: |
| 168 | s = "100Mbps"; |
| 169 | break; |
| 170 | } |
| 171 | |
| 172 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", dev->name, s, |
| 173 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); |
| 174 | } |
| 175 | } |
| 176 | |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 177 | static void enable_tx_fifo_drain(struct adapter *adapter, |
| 178 | struct port_info *pi) |
| 179 | { |
| 180 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, 0, |
| 181 | F_ENDROPPKT); |
| 182 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, 0); |
| 183 | t3_write_reg(adapter, A_XGM_TX_CTRL + pi->mac.offset, F_TXEN); |
| 184 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, F_RXEN); |
| 185 | } |
| 186 | |
| 187 | static void disable_tx_fifo_drain(struct adapter *adapter, |
| 188 | struct port_info *pi) |
| 189 | { |
| 190 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, |
| 191 | F_ENDROPPKT, 0); |
| 192 | } |
| 193 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 194 | void t3_os_link_fault(struct adapter *adap, int port_id, int state) |
| 195 | { |
| 196 | struct net_device *dev = adap->port[port_id]; |
| 197 | struct port_info *pi = netdev_priv(dev); |
| 198 | |
| 199 | if (state == netif_carrier_ok(dev)) |
| 200 | return; |
| 201 | |
| 202 | if (state) { |
| 203 | struct cmac *mac = &pi->mac; |
| 204 | |
| 205 | netif_carrier_on(dev); |
| 206 | |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 207 | disable_tx_fifo_drain(adap, pi); |
| 208 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 209 | /* Clear local faults */ |
| 210 | t3_xgm_intr_disable(adap, pi->port_id); |
| 211 | t3_read_reg(adap, A_XGM_INT_STATUS + |
| 212 | pi->mac.offset); |
| 213 | t3_write_reg(adap, |
| 214 | A_XGM_INT_CAUSE + pi->mac.offset, |
| 215 | F_XGM_INT); |
| 216 | |
| 217 | t3_set_reg_field(adap, |
| 218 | A_XGM_INT_ENABLE + |
| 219 | pi->mac.offset, |
| 220 | F_XGM_INT, F_XGM_INT); |
| 221 | t3_xgm_intr_enable(adap, pi->port_id); |
| 222 | |
| 223 | t3_mac_enable(mac, MAC_DIRECTION_TX); |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 224 | } else { |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 225 | netif_carrier_off(dev); |
| 226 | |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 227 | /* Flush TX FIFO */ |
| 228 | enable_tx_fifo_drain(adap, pi); |
| 229 | } |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 230 | link_report(dev); |
| 231 | } |
| 232 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 233 | /** |
| 234 | * t3_os_link_changed - handle link status changes |
| 235 | * @adapter: the adapter associated with the link change |
| 236 | * @port_id: the port index whose limk status has changed |
| 237 | * @link_stat: the new status of the link |
| 238 | * @speed: the new speed setting |
| 239 | * @duplex: the new duplex setting |
| 240 | * @pause: the new flow-control setting |
| 241 | * |
| 242 | * This is the OS-dependent handler for link status changes. The OS |
| 243 | * neutral handler takes care of most of the processing for these events, |
| 244 | * then calls this handler for any OS-specific processing. |
| 245 | */ |
| 246 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, |
| 247 | int speed, int duplex, int pause) |
| 248 | { |
| 249 | struct net_device *dev = adapter->port[port_id]; |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 250 | struct port_info *pi = netdev_priv(dev); |
| 251 | struct cmac *mac = &pi->mac; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 252 | |
| 253 | /* Skip changes from disabled ports. */ |
| 254 | if (!netif_running(dev)) |
| 255 | return; |
| 256 | |
| 257 | if (link_stat != netif_carrier_ok(dev)) { |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 258 | if (link_stat) { |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 259 | disable_tx_fifo_drain(adapter, pi); |
| 260 | |
Divy Le Ray | 59cf810 | 2007-04-09 20:10:27 -0700 | [diff] [blame] | 261 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 262 | |
| 263 | /* Clear local faults */ |
| 264 | t3_xgm_intr_disable(adapter, pi->port_id); |
| 265 | t3_read_reg(adapter, A_XGM_INT_STATUS + |
| 266 | pi->mac.offset); |
| 267 | t3_write_reg(adapter, |
| 268 | A_XGM_INT_CAUSE + pi->mac.offset, |
| 269 | F_XGM_INT); |
| 270 | |
| 271 | t3_set_reg_field(adapter, |
| 272 | A_XGM_INT_ENABLE + pi->mac.offset, |
| 273 | F_XGM_INT, F_XGM_INT); |
| 274 | t3_xgm_intr_enable(adapter, pi->port_id); |
| 275 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 276 | netif_carrier_on(dev); |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 277 | } else { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 278 | netif_carrier_off(dev); |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 279 | |
| 280 | t3_xgm_intr_disable(adapter, pi->port_id); |
| 281 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); |
| 282 | t3_set_reg_field(adapter, |
| 283 | A_XGM_INT_ENABLE + pi->mac.offset, |
| 284 | F_XGM_INT, 0); |
| 285 | |
| 286 | if (is_10G(adapter)) |
| 287 | pi->phy.ops->power_down(&pi->phy, 1); |
| 288 | |
| 289 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); |
Divy Le Ray | 59cf810 | 2007-04-09 20:10:27 -0700 | [diff] [blame] | 290 | t3_mac_disable(mac, MAC_DIRECTION_RX); |
| 291 | t3_link_start(&pi->phy, mac, &pi->link_config); |
Divy Le Ray | 34701fd | 2009-07-07 19:48:32 +0000 | [diff] [blame] | 292 | |
| 293 | /* Flush TX FIFO */ |
| 294 | enable_tx_fifo_drain(adapter, pi); |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 295 | } |
| 296 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 297 | link_report(dev); |
| 298 | } |
| 299 | } |
| 300 | |
Divy Le Ray | 1e88202 | 2008-10-08 17:40:07 -0700 | [diff] [blame] | 301 | /** |
| 302 | * t3_os_phymod_changed - handle PHY module changes |
| 303 | * @phy: the PHY reporting the module change |
| 304 | * @mod_type: new module type |
| 305 | * |
| 306 | * This is the OS-dependent handler for PHY module changes. It is |
| 307 | * invoked when a PHY module is removed or inserted for any OS-specific |
| 308 | * processing. |
| 309 | */ |
| 310 | void t3_os_phymod_changed(struct adapter *adap, int port_id) |
| 311 | { |
| 312 | static const char *mod_str[] = { |
| 313 | NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" |
| 314 | }; |
| 315 | |
| 316 | const struct net_device *dev = adap->port[port_id]; |
| 317 | const struct port_info *pi = netdev_priv(dev); |
| 318 | |
| 319 | if (pi->phy.modtype == phy_modtype_none) |
| 320 | printk(KERN_INFO "%s: PHY module unplugged\n", dev->name); |
| 321 | else |
| 322 | printk(KERN_INFO "%s: %s PHY module inserted\n", dev->name, |
| 323 | mod_str[pi->phy.modtype]); |
| 324 | } |
| 325 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 326 | static void cxgb_set_rxmode(struct net_device *dev) |
| 327 | { |
| 328 | struct t3_rx_mode rm; |
| 329 | struct port_info *pi = netdev_priv(dev); |
| 330 | |
| 331 | init_rx_mode(&rm, dev, dev->mc_list); |
| 332 | t3_mac_set_rx_mode(&pi->mac, &rm); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * link_start - enable a port |
| 337 | * @dev: the device to enable |
| 338 | * |
| 339 | * Performs the MAC and PHY actions needed to enable a port. |
| 340 | */ |
| 341 | static void link_start(struct net_device *dev) |
| 342 | { |
| 343 | struct t3_rx_mode rm; |
| 344 | struct port_info *pi = netdev_priv(dev); |
| 345 | struct cmac *mac = &pi->mac; |
| 346 | |
| 347 | init_rx_mode(&rm, dev, dev->mc_list); |
| 348 | t3_mac_reset(mac); |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 349 | t3_mac_set_num_ucast(mac, MAX_MAC_IDX); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 350 | t3_mac_set_mtu(mac, dev->mtu); |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 351 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
| 352 | t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 353 | t3_mac_set_rx_mode(mac, &rm); |
| 354 | t3_link_start(&pi->phy, mac, &pi->link_config); |
| 355 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); |
| 356 | } |
| 357 | |
| 358 | static inline void cxgb_disable_msi(struct adapter *adapter) |
| 359 | { |
| 360 | if (adapter->flags & USING_MSIX) { |
| 361 | pci_disable_msix(adapter->pdev); |
| 362 | adapter->flags &= ~USING_MSIX; |
| 363 | } else if (adapter->flags & USING_MSI) { |
| 364 | pci_disable_msi(adapter->pdev); |
| 365 | adapter->flags &= ~USING_MSI; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * Interrupt handler for asynchronous events used with MSI-X. |
| 371 | */ |
| 372 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) |
| 373 | { |
| 374 | t3_slow_intr_handler(cookie); |
| 375 | return IRQ_HANDLED; |
| 376 | } |
| 377 | |
| 378 | /* |
| 379 | * Name the MSI-X interrupts. |
| 380 | */ |
| 381 | static void name_msix_vecs(struct adapter *adap) |
| 382 | { |
| 383 | int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; |
| 384 | |
| 385 | snprintf(adap->msix_info[0].desc, n, "%s", adap->name); |
| 386 | adap->msix_info[0].desc[n] = 0; |
| 387 | |
| 388 | for_each_port(adap, j) { |
| 389 | struct net_device *d = adap->port[j]; |
| 390 | const struct port_info *pi = netdev_priv(d); |
| 391 | |
| 392 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { |
| 393 | snprintf(adap->msix_info[msi_idx].desc, n, |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 394 | "%s-%d", d->name, pi->first_qset + i); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 395 | adap->msix_info[msi_idx].desc[n] = 0; |
| 396 | } |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 397 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | static int request_msix_data_irqs(struct adapter *adap) |
| 401 | { |
| 402 | int i, j, err, qidx = 0; |
| 403 | |
| 404 | for_each_port(adap, i) { |
| 405 | int nqsets = adap2pinfo(adap, i)->nqsets; |
| 406 | |
| 407 | for (j = 0; j < nqsets; ++j) { |
| 408 | err = request_irq(adap->msix_info[qidx + 1].vec, |
| 409 | t3_intr_handler(adap, |
| 410 | adap->sge.qs[qidx]. |
| 411 | rspq.polling), 0, |
| 412 | adap->msix_info[qidx + 1].desc, |
| 413 | &adap->sge.qs[qidx]); |
| 414 | if (err) { |
| 415 | while (--qidx >= 0) |
| 416 | free_irq(adap->msix_info[qidx + 1].vec, |
| 417 | &adap->sge.qs[qidx]); |
| 418 | return err; |
| 419 | } |
| 420 | qidx++; |
| 421 | } |
| 422 | } |
| 423 | return 0; |
| 424 | } |
| 425 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 426 | static void free_irq_resources(struct adapter *adapter) |
| 427 | { |
| 428 | if (adapter->flags & USING_MSIX) { |
| 429 | int i, n = 0; |
| 430 | |
| 431 | free_irq(adapter->msix_info[0].vec, adapter); |
| 432 | for_each_port(adapter, i) |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 433 | n += adap2pinfo(adapter, i)->nqsets; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 434 | |
| 435 | for (i = 0; i < n; ++i) |
| 436 | free_irq(adapter->msix_info[i + 1].vec, |
| 437 | &adapter->sge.qs[i]); |
| 438 | } else |
| 439 | free_irq(adapter->pdev->irq, adapter); |
| 440 | } |
| 441 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 442 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
| 443 | unsigned long n) |
| 444 | { |
| 445 | int attempts = 5; |
| 446 | |
| 447 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { |
| 448 | if (!--attempts) |
| 449 | return -ETIMEDOUT; |
| 450 | msleep(10); |
| 451 | } |
| 452 | return 0; |
| 453 | } |
| 454 | |
| 455 | static int init_tp_parity(struct adapter *adap) |
| 456 | { |
| 457 | int i; |
| 458 | struct sk_buff *skb; |
| 459 | struct cpl_set_tcb_field *greq; |
| 460 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; |
| 461 | |
| 462 | t3_tp_set_offload_mode(adap, 1); |
| 463 | |
| 464 | for (i = 0; i < 16; i++) { |
| 465 | struct cpl_smt_write_req *req; |
| 466 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 467 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 468 | if (!skb) |
| 469 | skb = adap->nofail_skb; |
| 470 | if (!skb) |
| 471 | goto alloc_skb_fail; |
| 472 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 473 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); |
| 474 | memset(req, 0, sizeof(*req)); |
| 475 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 476 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); |
Divy Le Ray | dce7d1d | 2009-07-07 19:48:59 +0000 | [diff] [blame] | 477 | req->mtu_idx = NMTUS - 1; |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 478 | req->iff = i; |
| 479 | t3_mgmt_tx(adap, skb); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 480 | if (skb == adap->nofail_skb) { |
| 481 | await_mgmt_replies(adap, cnt, i + 1); |
| 482 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
| 483 | if (!adap->nofail_skb) |
| 484 | goto alloc_skb_fail; |
| 485 | } |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | for (i = 0; i < 2048; i++) { |
| 489 | struct cpl_l2t_write_req *req; |
| 490 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 491 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 492 | if (!skb) |
| 493 | skb = adap->nofail_skb; |
| 494 | if (!skb) |
| 495 | goto alloc_skb_fail; |
| 496 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 497 | req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req)); |
| 498 | memset(req, 0, sizeof(*req)); |
| 499 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 500 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); |
| 501 | req->params = htonl(V_L2T_W_IDX(i)); |
| 502 | t3_mgmt_tx(adap, skb); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 503 | if (skb == adap->nofail_skb) { |
| 504 | await_mgmt_replies(adap, cnt, 16 + i + 1); |
| 505 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
| 506 | if (!adap->nofail_skb) |
| 507 | goto alloc_skb_fail; |
| 508 | } |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | for (i = 0; i < 2048; i++) { |
| 512 | struct cpl_rte_write_req *req; |
| 513 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 514 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 515 | if (!skb) |
| 516 | skb = adap->nofail_skb; |
| 517 | if (!skb) |
| 518 | goto alloc_skb_fail; |
| 519 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 520 | req = (struct cpl_rte_write_req *)__skb_put(skb, sizeof(*req)); |
| 521 | memset(req, 0, sizeof(*req)); |
| 522 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 523 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); |
| 524 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); |
| 525 | t3_mgmt_tx(adap, skb); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 526 | if (skb == adap->nofail_skb) { |
| 527 | await_mgmt_replies(adap, cnt, 16 + 2048 + i + 1); |
| 528 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
| 529 | if (!adap->nofail_skb) |
| 530 | goto alloc_skb_fail; |
| 531 | } |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 532 | } |
| 533 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 534 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
| 535 | if (!skb) |
| 536 | skb = adap->nofail_skb; |
| 537 | if (!skb) |
| 538 | goto alloc_skb_fail; |
| 539 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 540 | greq = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*greq)); |
| 541 | memset(greq, 0, sizeof(*greq)); |
| 542 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 543 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); |
| 544 | greq->mask = cpu_to_be64(1); |
| 545 | t3_mgmt_tx(adap, skb); |
| 546 | |
| 547 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 548 | if (skb == adap->nofail_skb) { |
| 549 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); |
| 550 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
| 551 | } |
| 552 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 553 | t3_tp_set_offload_mode(adap, 0); |
| 554 | return i; |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 555 | |
| 556 | alloc_skb_fail: |
| 557 | t3_tp_set_offload_mode(adap, 0); |
| 558 | return -ENOMEM; |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 559 | } |
| 560 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 561 | /** |
| 562 | * setup_rss - configure RSS |
| 563 | * @adap: the adapter |
| 564 | * |
| 565 | * Sets up RSS to distribute packets to multiple receive queues. We |
| 566 | * configure the RSS CPU lookup table to distribute to the number of HW |
| 567 | * receive queues, and the response queue lookup table to narrow that |
| 568 | * down to the response queues actually configured for each port. |
| 569 | * We always configure the RSS mapping for two ports since the mapping |
| 570 | * table has plenty of entries. |
| 571 | */ |
| 572 | static void setup_rss(struct adapter *adap) |
| 573 | { |
| 574 | int i; |
| 575 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; |
| 576 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; |
| 577 | u8 cpus[SGE_QSETS + 1]; |
| 578 | u16 rspq_map[RSS_TABLE_SIZE]; |
| 579 | |
| 580 | for (i = 0; i < SGE_QSETS; ++i) |
| 581 | cpus[i] = i; |
| 582 | cpus[SGE_QSETS] = 0xff; /* terminator */ |
| 583 | |
| 584 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { |
| 585 | rspq_map[i] = i % nq0; |
| 586 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; |
| 587 | } |
| 588 | |
| 589 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | |
| 590 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | |
Divy Le Ray | a2604be | 2007-11-16 11:22:16 -0800 | [diff] [blame] | 591 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 592 | } |
| 593 | |
Steve Wise | e998f24 | 2010-01-27 17:03:34 +0000 | [diff] [blame^] | 594 | static void ring_dbs(struct adapter *adap) |
| 595 | { |
| 596 | int i, j; |
| 597 | |
| 598 | for (i = 0; i < SGE_QSETS; i++) { |
| 599 | struct sge_qset *qs = &adap->sge.qs[i]; |
| 600 | |
| 601 | if (qs->adap) |
| 602 | for (j = 0; j < SGE_TXQ_PER_SET; j++) |
| 603 | t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id)); |
| 604 | } |
| 605 | } |
| 606 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 607 | static void init_napi(struct adapter *adap) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 608 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 609 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 610 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 611 | for (i = 0; i < SGE_QSETS; i++) { |
| 612 | struct sge_qset *qs = &adap->sge.qs[i]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 613 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 614 | if (qs->adap) |
| 615 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, |
| 616 | 64); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 617 | } |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 618 | |
| 619 | /* |
| 620 | * netif_napi_add() can be called only once per napi_struct because it |
| 621 | * adds each new napi_struct to a list. Be careful not to call it a |
| 622 | * second time, e.g., during EEH recovery, by making a note of it. |
| 623 | */ |
| 624 | adap->flags |= NAPI_INIT; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | /* |
| 628 | * Wait until all NAPI handlers are descheduled. This includes the handlers of |
| 629 | * both netdevices representing interfaces and the dummy ones for the extra |
| 630 | * queues. |
| 631 | */ |
| 632 | static void quiesce_rx(struct adapter *adap) |
| 633 | { |
| 634 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 635 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 636 | for (i = 0; i < SGE_QSETS; i++) |
| 637 | if (adap->sge.qs[i].adap) |
| 638 | napi_disable(&adap->sge.qs[i].napi); |
| 639 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 640 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 641 | static void enable_all_napi(struct adapter *adap) |
| 642 | { |
| 643 | int i; |
| 644 | for (i = 0; i < SGE_QSETS; i++) |
| 645 | if (adap->sge.qs[i].adap) |
| 646 | napi_enable(&adap->sge.qs[i].napi); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 647 | } |
| 648 | |
| 649 | /** |
Divy Le Ray | 04ecb07 | 2008-10-28 22:40:32 -0700 | [diff] [blame] | 650 | * set_qset_lro - Turn a queue set's LRO capability on and off |
| 651 | * @dev: the device the qset is attached to |
| 652 | * @qset_idx: the queue set index |
| 653 | * @val: the LRO switch |
| 654 | * |
| 655 | * Sets LRO on or off for a particular queue set. |
| 656 | * the device's features flag is updated to reflect the LRO |
| 657 | * capability when all queues belonging to the device are |
| 658 | * in the same state. |
| 659 | */ |
| 660 | static void set_qset_lro(struct net_device *dev, int qset_idx, int val) |
| 661 | { |
| 662 | struct port_info *pi = netdev_priv(dev); |
| 663 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 04ecb07 | 2008-10-28 22:40:32 -0700 | [diff] [blame] | 664 | |
| 665 | adapter->params.sge.qset[qset_idx].lro = !!val; |
| 666 | adapter->sge.qs[qset_idx].lro_enabled = !!val; |
Divy Le Ray | 04ecb07 | 2008-10-28 22:40:32 -0700 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | /** |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 670 | * setup_sge_qsets - configure SGE Tx/Rx/response queues |
| 671 | * @adap: the adapter |
| 672 | * |
| 673 | * Determines how many sets of SGE queues to use and initializes them. |
| 674 | * We support multiple queue sets per port if we have MSI-X, otherwise |
| 675 | * just one queue set per port. |
| 676 | */ |
| 677 | static int setup_sge_qsets(struct adapter *adap) |
| 678 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 679 | int i, j, err, irq_idx = 0, qset_idx = 0; |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 680 | unsigned int ntxq = SGE_TXQ_PER_SET; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 681 | |
| 682 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) |
| 683 | irq_idx = -1; |
| 684 | |
| 685 | for_each_port(adap, i) { |
| 686 | struct net_device *dev = adap->port[i]; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 687 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 688 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 689 | pi->qs = &adap->sge.qs[pi->first_qset]; |
Roland Dreier | e594e96 | 2009-07-09 09:30:25 +0000 | [diff] [blame] | 690 | for (j = 0; j < pi->nqsets; ++j, ++qset_idx) { |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 691 | set_qset_lro(dev, qset_idx, pi->rx_offload & T3_LRO); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 692 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
| 693 | (adap->flags & USING_MSIX) ? qset_idx + 1 : |
| 694 | irq_idx, |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 695 | &adap->params.sge.qset[qset_idx], ntxq, dev, |
| 696 | netdev_get_tx_queue(dev, j)); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 697 | if (err) { |
| 698 | t3_free_sge_resources(adap); |
| 699 | return err; |
| 700 | } |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | return 0; |
| 705 | } |
| 706 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 707 | static ssize_t attr_show(struct device *d, char *buf, |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 708 | ssize_t(*format) (struct net_device *, char *)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 709 | { |
| 710 | ssize_t len; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 711 | |
| 712 | /* Synchronize with ioctls that may shut down the device */ |
| 713 | rtnl_lock(); |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 714 | len = (*format) (to_net_dev(d), buf); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 715 | rtnl_unlock(); |
| 716 | return len; |
| 717 | } |
| 718 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 719 | static ssize_t attr_store(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 720 | const char *buf, size_t len, |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 721 | ssize_t(*set) (struct net_device *, unsigned int), |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 722 | unsigned int min_val, unsigned int max_val) |
| 723 | { |
| 724 | char *endp; |
| 725 | ssize_t ret; |
| 726 | unsigned int val; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 727 | |
| 728 | if (!capable(CAP_NET_ADMIN)) |
| 729 | return -EPERM; |
| 730 | |
| 731 | val = simple_strtoul(buf, &endp, 0); |
| 732 | if (endp == buf || val < min_val || val > max_val) |
| 733 | return -EINVAL; |
| 734 | |
| 735 | rtnl_lock(); |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 736 | ret = (*set) (to_net_dev(d), val); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 737 | if (!ret) |
| 738 | ret = len; |
| 739 | rtnl_unlock(); |
| 740 | return ret; |
| 741 | } |
| 742 | |
| 743 | #define CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 744 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 745 | { \ |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 746 | struct port_info *pi = netdev_priv(dev); \ |
| 747 | struct adapter *adap = pi->adapter; \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 748 | return sprintf(buf, "%u\n", val_expr); \ |
| 749 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 750 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
| 751 | char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 752 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 753 | return attr_show(d, buf, format_##name); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 754 | } |
| 755 | |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 756 | static ssize_t set_nfilters(struct net_device *dev, unsigned int val) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 757 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 758 | struct port_info *pi = netdev_priv(dev); |
| 759 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 760 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 761 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 762 | if (adap->flags & FULL_INIT_DONE) |
| 763 | return -EBUSY; |
| 764 | if (val && adap->params.rev == 0) |
| 765 | return -EINVAL; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 766 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
| 767 | min_tids) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 768 | return -EINVAL; |
| 769 | adap->params.mc5.nfilters = val; |
| 770 | return 0; |
| 771 | } |
| 772 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 773 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
| 774 | const char *buf, size_t len) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 775 | { |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 776 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 777 | } |
| 778 | |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 779 | static ssize_t set_nservers(struct net_device *dev, unsigned int val) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 780 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 781 | struct port_info *pi = netdev_priv(dev); |
| 782 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 783 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 784 | if (adap->flags & FULL_INIT_DONE) |
| 785 | return -EBUSY; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 786 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
| 787 | MC5_MIN_TIDS) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 788 | return -EINVAL; |
| 789 | adap->params.mc5.nservers = val; |
| 790 | return 0; |
| 791 | } |
| 792 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 793 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
| 794 | const char *buf, size_t len) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 795 | { |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 796 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | #define CXGB3_ATTR_R(name, val_expr) \ |
| 800 | CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 801 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 802 | |
| 803 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ |
| 804 | CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 805 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 806 | |
| 807 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); |
| 808 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); |
| 809 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); |
| 810 | |
| 811 | static struct attribute *cxgb3_attrs[] = { |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 812 | &dev_attr_cam_size.attr, |
| 813 | &dev_attr_nfilters.attr, |
| 814 | &dev_attr_nservers.attr, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 815 | NULL |
| 816 | }; |
| 817 | |
| 818 | static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; |
| 819 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 820 | static ssize_t tm_attr_show(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 821 | char *buf, int sched) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 822 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 823 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
| 824 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 825 | unsigned int v, addr, bpt, cpt; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 826 | ssize_t len; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 827 | |
| 828 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; |
| 829 | rtnl_lock(); |
| 830 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); |
| 831 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); |
| 832 | if (sched & 1) |
| 833 | v >>= 16; |
| 834 | bpt = (v >> 8) & 0xff; |
| 835 | cpt = v & 0xff; |
| 836 | if (!cpt) |
| 837 | len = sprintf(buf, "disabled\n"); |
| 838 | else { |
| 839 | v = (adap->params.vpd.cclk * 1000) / cpt; |
| 840 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); |
| 841 | } |
| 842 | rtnl_unlock(); |
| 843 | return len; |
| 844 | } |
| 845 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 846 | static ssize_t tm_attr_store(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 847 | const char *buf, size_t len, int sched) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 848 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 849 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
| 850 | struct adapter *adap = pi->adapter; |
| 851 | unsigned int val; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 852 | char *endp; |
| 853 | ssize_t ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 854 | |
| 855 | if (!capable(CAP_NET_ADMIN)) |
| 856 | return -EPERM; |
| 857 | |
| 858 | val = simple_strtoul(buf, &endp, 0); |
| 859 | if (endp == buf || val > 10000000) |
| 860 | return -EINVAL; |
| 861 | |
| 862 | rtnl_lock(); |
| 863 | ret = t3_config_sched(adap, val, sched); |
| 864 | if (!ret) |
| 865 | ret = len; |
| 866 | rtnl_unlock(); |
| 867 | return ret; |
| 868 | } |
| 869 | |
| 870 | #define TM_ATTR(name, sched) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 871 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
| 872 | char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 873 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 874 | return tm_attr_show(d, buf, sched); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 875 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 876 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
| 877 | const char *buf, size_t len) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 878 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 879 | return tm_attr_store(d, buf, len, sched); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 880 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 881 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 882 | |
| 883 | TM_ATTR(sched0, 0); |
| 884 | TM_ATTR(sched1, 1); |
| 885 | TM_ATTR(sched2, 2); |
| 886 | TM_ATTR(sched3, 3); |
| 887 | TM_ATTR(sched4, 4); |
| 888 | TM_ATTR(sched5, 5); |
| 889 | TM_ATTR(sched6, 6); |
| 890 | TM_ATTR(sched7, 7); |
| 891 | |
| 892 | static struct attribute *offload_attrs[] = { |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 893 | &dev_attr_sched0.attr, |
| 894 | &dev_attr_sched1.attr, |
| 895 | &dev_attr_sched2.attr, |
| 896 | &dev_attr_sched3.attr, |
| 897 | &dev_attr_sched4.attr, |
| 898 | &dev_attr_sched5.attr, |
| 899 | &dev_attr_sched6.attr, |
| 900 | &dev_attr_sched7.attr, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 901 | NULL |
| 902 | }; |
| 903 | |
| 904 | static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; |
| 905 | |
| 906 | /* |
| 907 | * Sends an sk_buff to an offload queue driver |
| 908 | * after dealing with any active network taps. |
| 909 | */ |
| 910 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) |
| 911 | { |
| 912 | int ret; |
| 913 | |
| 914 | local_bh_disable(); |
| 915 | ret = t3_offload_tx(tdev, skb); |
| 916 | local_bh_enable(); |
| 917 | return ret; |
| 918 | } |
| 919 | |
| 920 | static int write_smt_entry(struct adapter *adapter, int idx) |
| 921 | { |
| 922 | struct cpl_smt_write_req *req; |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 923 | struct port_info *pi = netdev_priv(adapter->port[idx]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 924 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 925 | |
| 926 | if (!skb) |
| 927 | return -ENOMEM; |
| 928 | |
| 929 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); |
| 930 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 931 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); |
| 932 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ |
| 933 | req->iff = idx; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 934 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 935 | memcpy(req->src_mac1, pi->iscsic.mac_addr, ETH_ALEN); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 936 | skb->priority = 1; |
| 937 | offload_tx(&adapter->tdev, skb); |
| 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | static int init_smt(struct adapter *adapter) |
| 942 | { |
| 943 | int i; |
| 944 | |
| 945 | for_each_port(adapter, i) |
| 946 | write_smt_entry(adapter, i); |
| 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | static void init_port_mtus(struct adapter *adapter) |
| 951 | { |
| 952 | unsigned int mtus = adapter->port[0]->mtu; |
| 953 | |
| 954 | if (adapter->port[1]) |
| 955 | mtus |= adapter->port[1]->mtu << 16; |
| 956 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); |
| 957 | } |
| 958 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 959 | static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 960 | int hi, int port) |
| 961 | { |
| 962 | struct sk_buff *skb; |
| 963 | struct mngt_pktsched_wr *req; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 964 | int ret; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 965 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 966 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 967 | if (!skb) |
| 968 | skb = adap->nofail_skb; |
| 969 | if (!skb) |
| 970 | return -ENOMEM; |
| 971 | |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 972 | req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); |
| 973 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); |
| 974 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; |
| 975 | req->sched = sched; |
| 976 | req->idx = qidx; |
| 977 | req->min = lo; |
| 978 | req->max = hi; |
| 979 | req->binding = port; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 980 | ret = t3_mgmt_tx(adap, skb); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 981 | if (skb == adap->nofail_skb) { |
| 982 | adap->nofail_skb = alloc_skb(sizeof(struct cpl_set_tcb_field), |
| 983 | GFP_KERNEL); |
| 984 | if (!adap->nofail_skb) |
| 985 | ret = -ENOMEM; |
| 986 | } |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 987 | |
| 988 | return ret; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 989 | } |
| 990 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 991 | static int bind_qsets(struct adapter *adap) |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 992 | { |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 993 | int i, j, err = 0; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 994 | |
| 995 | for_each_port(adap, i) { |
| 996 | const struct port_info *pi = adap2pinfo(adap, i); |
| 997 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 998 | for (j = 0; j < pi->nqsets; ++j) { |
| 999 | int ret = send_pktsched_cmd(adap, 1, |
| 1000 | pi->first_qset + j, -1, |
| 1001 | -1, i); |
| 1002 | if (ret) |
| 1003 | err = ret; |
| 1004 | } |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 1005 | } |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1006 | |
| 1007 | return err; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 1008 | } |
| 1009 | |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 1010 | #define FW_VERSION __stringify(FW_VERSION_MAJOR) "." \ |
| 1011 | __stringify(FW_VERSION_MINOR) "." __stringify(FW_VERSION_MICRO) |
| 1012 | #define FW_FNAME "cxgb3/t3fw-" FW_VERSION ".bin" |
| 1013 | #define TPSRAM_VERSION __stringify(TP_VERSION_MAJOR) "." \ |
| 1014 | __stringify(TP_VERSION_MINOR) "." __stringify(TP_VERSION_MICRO) |
| 1015 | #define TPSRAM_NAME "cxgb3/t3%c_psram-" TPSRAM_VERSION ".bin" |
Divy Le Ray | 2e8c07c | 2009-07-07 19:49:09 +0000 | [diff] [blame] | 1016 | #define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin" |
| 1017 | #define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin" |
Divy Le Ray | 9450526 | 2009-07-30 21:23:34 +0000 | [diff] [blame] | 1018 | #define AEL2020_TWX_EDC_NAME "cxgb3/ael2020_twx_edc.bin" |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 1019 | MODULE_FIRMWARE(FW_FNAME); |
| 1020 | MODULE_FIRMWARE("cxgb3/t3b_psram-" TPSRAM_VERSION ".bin"); |
| 1021 | MODULE_FIRMWARE("cxgb3/t3c_psram-" TPSRAM_VERSION ".bin"); |
| 1022 | MODULE_FIRMWARE(AEL2005_OPT_EDC_NAME); |
| 1023 | MODULE_FIRMWARE(AEL2005_TWX_EDC_NAME); |
| 1024 | MODULE_FIRMWARE(AEL2020_TWX_EDC_NAME); |
Divy Le Ray | 2e8c07c | 2009-07-07 19:49:09 +0000 | [diff] [blame] | 1025 | |
| 1026 | static inline const char *get_edc_fw_name(int edc_idx) |
| 1027 | { |
| 1028 | const char *fw_name = NULL; |
| 1029 | |
| 1030 | switch (edc_idx) { |
| 1031 | case EDC_OPT_AEL2005: |
| 1032 | fw_name = AEL2005_OPT_EDC_NAME; |
| 1033 | break; |
| 1034 | case EDC_TWX_AEL2005: |
| 1035 | fw_name = AEL2005_TWX_EDC_NAME; |
| 1036 | break; |
| 1037 | case EDC_TWX_AEL2020: |
| 1038 | fw_name = AEL2020_TWX_EDC_NAME; |
| 1039 | break; |
| 1040 | } |
| 1041 | return fw_name; |
| 1042 | } |
| 1043 | |
| 1044 | int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size) |
| 1045 | { |
| 1046 | struct adapter *adapter = phy->adapter; |
| 1047 | const struct firmware *fw; |
| 1048 | char buf[64]; |
| 1049 | u32 csum; |
| 1050 | const __be32 *p; |
| 1051 | u16 *cache = phy->phy_cache; |
| 1052 | int i, ret; |
| 1053 | |
| 1054 | snprintf(buf, sizeof(buf), get_edc_fw_name(edc_idx)); |
| 1055 | |
| 1056 | ret = request_firmware(&fw, buf, &adapter->pdev->dev); |
| 1057 | if (ret < 0) { |
| 1058 | dev_err(&adapter->pdev->dev, |
| 1059 | "could not upgrade firmware: unable to load %s\n", |
| 1060 | buf); |
| 1061 | return ret; |
| 1062 | } |
| 1063 | |
| 1064 | /* check size, take checksum in account */ |
| 1065 | if (fw->size > size + 4) { |
| 1066 | CH_ERR(adapter, "firmware image too large %u, expected %d\n", |
| 1067 | (unsigned int)fw->size, size + 4); |
| 1068 | ret = -EINVAL; |
| 1069 | } |
| 1070 | |
| 1071 | /* compute checksum */ |
| 1072 | p = (const __be32 *)fw->data; |
| 1073 | for (csum = 0, i = 0; i < fw->size / sizeof(csum); i++) |
| 1074 | csum += ntohl(p[i]); |
| 1075 | |
| 1076 | if (csum != 0xffffffff) { |
| 1077 | CH_ERR(adapter, "corrupted firmware image, checksum %u\n", |
| 1078 | csum); |
| 1079 | ret = -EINVAL; |
| 1080 | } |
| 1081 | |
| 1082 | for (i = 0; i < size / 4 ; i++) { |
| 1083 | *cache++ = (be32_to_cpu(p[i]) & 0xffff0000) >> 16; |
| 1084 | *cache++ = be32_to_cpu(p[i]) & 0xffff; |
| 1085 | } |
| 1086 | |
| 1087 | release_firmware(fw); |
| 1088 | |
| 1089 | return ret; |
| 1090 | } |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1091 | |
| 1092 | static int upgrade_fw(struct adapter *adap) |
| 1093 | { |
| 1094 | int ret; |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1095 | const struct firmware *fw; |
| 1096 | struct device *dev = &adap->pdev->dev; |
| 1097 | |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 1098 | ret = request_firmware(&fw, FW_FNAME, dev); |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1099 | if (ret < 0) { |
| 1100 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 1101 | FW_FNAME); |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1102 | return ret; |
| 1103 | } |
| 1104 | ret = t3_load_fw(adap, fw->data, fw->size); |
| 1105 | release_firmware(fw); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1106 | |
| 1107 | if (ret == 0) |
| 1108 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", |
| 1109 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); |
| 1110 | else |
| 1111 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", |
| 1112 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 1113 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1114 | return ret; |
| 1115 | } |
| 1116 | |
| 1117 | static inline char t3rev2char(struct adapter *adapter) |
| 1118 | { |
| 1119 | char rev = 0; |
| 1120 | |
| 1121 | switch(adapter->params.rev) { |
| 1122 | case T3_REV_B: |
| 1123 | case T3_REV_B2: |
| 1124 | rev = 'b'; |
| 1125 | break; |
Divy Le Ray | 1aafee2 | 2007-09-05 15:58:36 -0700 | [diff] [blame] | 1126 | case T3_REV_C: |
| 1127 | rev = 'c'; |
| 1128 | break; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1129 | } |
| 1130 | return rev; |
| 1131 | } |
| 1132 | |
Stephen Hemminger | 9265fab | 2007-10-08 16:22:29 -0700 | [diff] [blame] | 1133 | static int update_tpsram(struct adapter *adap) |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1134 | { |
| 1135 | const struct firmware *tpsram; |
| 1136 | char buf[64]; |
| 1137 | struct device *dev = &adap->pdev->dev; |
| 1138 | int ret; |
| 1139 | char rev; |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 1140 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1141 | rev = t3rev2char(adap); |
| 1142 | if (!rev) |
| 1143 | return 0; |
| 1144 | |
Ben Hutchings | 34336ec | 2009-11-07 11:53:52 +0000 | [diff] [blame] | 1145 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1146 | |
| 1147 | ret = request_firmware(&tpsram, buf, dev); |
| 1148 | if (ret < 0) { |
| 1149 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", |
| 1150 | buf); |
| 1151 | return ret; |
| 1152 | } |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 1153 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1154 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
| 1155 | if (ret) |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 1156 | goto release_tpsram; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1157 | |
| 1158 | ret = t3_set_proto_sram(adap, tpsram->data); |
| 1159 | if (ret == 0) |
| 1160 | dev_info(dev, |
| 1161 | "successful update of protocol engine " |
| 1162 | "to %d.%d.%d\n", |
| 1163 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); |
| 1164 | else |
| 1165 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", |
| 1166 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); |
| 1167 | if (ret) |
| 1168 | dev_err(dev, "loading protocol SRAM failed\n"); |
| 1169 | |
| 1170 | release_tpsram: |
| 1171 | release_firmware(tpsram); |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 1172 | |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1173 | return ret; |
| 1174 | } |
| 1175 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1176 | /** |
| 1177 | * cxgb_up - enable the adapter |
| 1178 | * @adapter: adapter being enabled |
| 1179 | * |
| 1180 | * Called when the first port is enabled, this function performs the |
| 1181 | * actions necessary to make an adapter operational, such as completing |
| 1182 | * the initialization of HW modules, and enabling interrupts. |
| 1183 | * |
| 1184 | * Must be called with the rtnl lock held. |
| 1185 | */ |
| 1186 | static int cxgb_up(struct adapter *adap) |
| 1187 | { |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 1188 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1189 | |
| 1190 | if (!(adap->flags & FULL_INIT_DONE)) { |
Divy Le Ray | 8207bef | 2008-12-16 01:51:47 -0800 | [diff] [blame] | 1191 | err = t3_check_fw_version(adap); |
Divy Le Ray | a5a3b46 | 2007-09-05 15:58:09 -0700 | [diff] [blame] | 1192 | if (err == -EINVAL) { |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 1193 | err = upgrade_fw(adap); |
Divy Le Ray | 8207bef | 2008-12-16 01:51:47 -0800 | [diff] [blame] | 1194 | CH_WARN(adap, "FW upgrade to %d.%d.%d %s\n", |
| 1195 | FW_VERSION_MAJOR, FW_VERSION_MINOR, |
| 1196 | FW_VERSION_MICRO, err ? "failed" : "succeeded"); |
Divy Le Ray | a5a3b46 | 2007-09-05 15:58:09 -0700 | [diff] [blame] | 1197 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1198 | |
Divy Le Ray | 8207bef | 2008-12-16 01:51:47 -0800 | [diff] [blame] | 1199 | err = t3_check_tpsram_version(adap); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1200 | if (err == -EINVAL) { |
| 1201 | err = update_tpsram(adap); |
Divy Le Ray | 8207bef | 2008-12-16 01:51:47 -0800 | [diff] [blame] | 1202 | CH_WARN(adap, "TP upgrade to %d.%d.%d %s\n", |
| 1203 | TP_VERSION_MAJOR, TP_VERSION_MINOR, |
| 1204 | TP_VERSION_MICRO, err ? "failed" : "succeeded"); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1205 | } |
| 1206 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 1207 | /* |
| 1208 | * Clear interrupts now to catch errors if t3_init_hw fails. |
| 1209 | * We clear them again later as initialization may trigger |
| 1210 | * conditions that can interrupt. |
| 1211 | */ |
| 1212 | t3_intr_clear(adap); |
| 1213 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1214 | err = t3_init_hw(adap, 0); |
| 1215 | if (err) |
| 1216 | goto out; |
| 1217 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 1218 | t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); |
Divy Le Ray | 6cdbd77 | 2007-04-09 20:10:33 -0700 | [diff] [blame] | 1219 | t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1220 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1221 | err = setup_sge_qsets(adap); |
| 1222 | if (err) |
| 1223 | goto out; |
| 1224 | |
| 1225 | setup_rss(adap); |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 1226 | if (!(adap->flags & NAPI_INIT)) |
| 1227 | init_napi(adap); |
Divy Le Ray | 3156378 | 2009-03-26 16:39:09 +0000 | [diff] [blame] | 1228 | |
| 1229 | t3_start_sge_timers(adap); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1230 | adap->flags |= FULL_INIT_DONE; |
| 1231 | } |
| 1232 | |
| 1233 | t3_intr_clear(adap); |
| 1234 | |
| 1235 | if (adap->flags & USING_MSIX) { |
| 1236 | name_msix_vecs(adap); |
| 1237 | err = request_irq(adap->msix_info[0].vec, |
| 1238 | t3_async_intr_handler, 0, |
| 1239 | adap->msix_info[0].desc, adap); |
| 1240 | if (err) |
| 1241 | goto irq_err; |
| 1242 | |
Divy Le Ray | 42256f5 | 2007-11-16 11:21:39 -0800 | [diff] [blame] | 1243 | err = request_msix_data_irqs(adap); |
| 1244 | if (err) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1245 | free_irq(adap->msix_info[0].vec, adap); |
| 1246 | goto irq_err; |
| 1247 | } |
| 1248 | } else if ((err = request_irq(adap->pdev->irq, |
| 1249 | t3_intr_handler(adap, |
| 1250 | adap->sge.qs[0].rspq. |
| 1251 | polling), |
Thomas Gleixner | 2db6346 | 2007-02-14 00:33:20 -0800 | [diff] [blame] | 1252 | (adap->flags & USING_MSI) ? |
| 1253 | 0 : IRQF_SHARED, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1254 | adap->name, adap))) |
| 1255 | goto irq_err; |
| 1256 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1257 | enable_all_napi(adap); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1258 | t3_sge_start(adap); |
| 1259 | t3_intr_enable(adap); |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 1260 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 1261 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
| 1262 | is_offload(adap) && init_tp_parity(adap) == 0) |
| 1263 | adap->flags |= TP_PARITY_INIT; |
| 1264 | |
| 1265 | if (adap->flags & TP_PARITY_INIT) { |
| 1266 | t3_write_reg(adap, A_TP_INT_CAUSE, |
| 1267 | F_CMCACHEPERR | F_ARPLUTPERR); |
| 1268 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); |
| 1269 | } |
| 1270 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1271 | if (!(adap->flags & QUEUES_BOUND)) { |
| 1272 | err = bind_qsets(adap); |
| 1273 | if (err) { |
| 1274 | CH_ERR(adap, "failed to bind qsets, err %d\n", err); |
| 1275 | t3_intr_disable(adap); |
| 1276 | free_irq_resources(adap); |
| 1277 | goto out; |
| 1278 | } |
| 1279 | adap->flags |= QUEUES_BOUND; |
| 1280 | } |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 1281 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1282 | out: |
| 1283 | return err; |
| 1284 | irq_err: |
| 1285 | CH_ERR(adap, "request_irq failed, err %d\n", err); |
| 1286 | goto out; |
| 1287 | } |
| 1288 | |
| 1289 | /* |
| 1290 | * Release resources when all the ports and offloading have been stopped. |
| 1291 | */ |
| 1292 | static void cxgb_down(struct adapter *adapter) |
| 1293 | { |
| 1294 | t3_sge_stop(adapter); |
| 1295 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ |
| 1296 | t3_intr_disable(adapter); |
| 1297 | spin_unlock_irq(&adapter->work_lock); |
| 1298 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1299 | free_irq_resources(adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1300 | quiesce_rx(adapter); |
Divy Le Ray | c80b0c2 | 2009-04-17 12:21:17 +0000 | [diff] [blame] | 1301 | flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1302 | } |
| 1303 | |
| 1304 | static void schedule_chk_task(struct adapter *adap) |
| 1305 | { |
| 1306 | unsigned int timeo; |
| 1307 | |
| 1308 | timeo = adap->params.linkpoll_period ? |
| 1309 | (HZ * adap->params.linkpoll_period) / 10 : |
| 1310 | adap->params.stats_update_period * HZ; |
| 1311 | if (timeo) |
| 1312 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); |
| 1313 | } |
| 1314 | |
| 1315 | static int offload_open(struct net_device *dev) |
| 1316 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1317 | struct port_info *pi = netdev_priv(dev); |
| 1318 | struct adapter *adapter = pi->adapter; |
| 1319 | struct t3cdev *tdev = dev2t3cdev(dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1320 | int adap_up = adapter->open_device_map & PORT_MASK; |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 1321 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1322 | |
| 1323 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) |
| 1324 | return 0; |
| 1325 | |
| 1326 | if (!adap_up && (err = cxgb_up(adapter)) < 0) |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 1327 | goto out; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1328 | |
| 1329 | t3_tp_set_offload_mode(adapter, 1); |
| 1330 | tdev->lldev = adapter->port[0]; |
| 1331 | err = cxgb3_offload_activate(adapter); |
| 1332 | if (err) |
| 1333 | goto out; |
| 1334 | |
| 1335 | init_port_mtus(adapter); |
| 1336 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, |
| 1337 | adapter->params.b_wnd, |
| 1338 | adapter->params.rev == 0 ? |
| 1339 | adapter->port[0]->mtu : 0xffff); |
| 1340 | init_smt(adapter); |
| 1341 | |
Dan Noe | d96a51f | 2008-04-12 22:34:38 -0400 | [diff] [blame] | 1342 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
| 1343 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1344 | |
| 1345 | /* Call back all registered clients */ |
| 1346 | cxgb3_add_clients(tdev); |
| 1347 | |
| 1348 | out: |
| 1349 | /* restore them in case the offload module has changed them */ |
| 1350 | if (err) { |
| 1351 | t3_tp_set_offload_mode(adapter, 0); |
| 1352 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); |
| 1353 | cxgb3_set_dummy_ops(tdev); |
| 1354 | } |
| 1355 | return err; |
| 1356 | } |
| 1357 | |
| 1358 | static int offload_close(struct t3cdev *tdev) |
| 1359 | { |
| 1360 | struct adapter *adapter = tdev2adap(tdev); |
| 1361 | |
| 1362 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) |
| 1363 | return 0; |
| 1364 | |
| 1365 | /* Call back all registered clients */ |
| 1366 | cxgb3_remove_clients(tdev); |
| 1367 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 1368 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1369 | |
Divy Le Ray | c80b0c2 | 2009-04-17 12:21:17 +0000 | [diff] [blame] | 1370 | /* Flush work scheduled while releasing TIDs */ |
| 1371 | flush_scheduled_work(); |
| 1372 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1373 | tdev->lldev = NULL; |
| 1374 | cxgb3_set_dummy_ops(tdev); |
| 1375 | t3_tp_set_offload_mode(adapter, 0); |
| 1376 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); |
| 1377 | |
| 1378 | if (!adapter->open_device_map) |
| 1379 | cxgb_down(adapter); |
| 1380 | |
| 1381 | cxgb3_offload_deactivate(adapter); |
| 1382 | return 0; |
| 1383 | } |
| 1384 | |
| 1385 | static int cxgb_open(struct net_device *dev) |
| 1386 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1387 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1388 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1389 | int other_ports = adapter->open_device_map & PORT_MASK; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1390 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1391 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 1392 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1393 | return err; |
| 1394 | |
| 1395 | set_bit(pi->port_id, &adapter->open_device_map); |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 1396 | if (is_offload(adapter) && !ofld_disable) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1397 | err = offload_open(dev); |
| 1398 | if (err) |
| 1399 | printk(KERN_WARNING |
| 1400 | "Could not initialize offload capabilities\n"); |
| 1401 | } |
| 1402 | |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 1403 | dev->real_num_tx_queues = pi->nqsets; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1404 | link_start(dev); |
| 1405 | t3_port_intr_enable(adapter, pi->port_id); |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 1406 | netif_tx_start_all_queues(dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1407 | if (!other_ports) |
| 1408 | schedule_chk_task(adapter); |
| 1409 | |
Steve Wise | fa0d4c1 | 2009-09-05 20:22:38 -0700 | [diff] [blame] | 1410 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_UP, pi->port_id); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1411 | return 0; |
| 1412 | } |
| 1413 | |
| 1414 | static int cxgb_close(struct net_device *dev) |
| 1415 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1416 | struct port_info *pi = netdev_priv(dev); |
| 1417 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1418 | |
Divy Le Ray | e8d1937 | 2009-04-17 12:21:27 +0000 | [diff] [blame] | 1419 | |
| 1420 | if (!adapter->open_device_map) |
| 1421 | return 0; |
| 1422 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 1423 | /* Stop link fault interrupts */ |
| 1424 | t3_xgm_intr_disable(adapter, pi->port_id); |
| 1425 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); |
| 1426 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1427 | t3_port_intr_disable(adapter, pi->port_id); |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 1428 | netif_tx_stop_all_queues(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1429 | pi->phy.ops->power_down(&pi->phy, 1); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1430 | netif_carrier_off(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1431 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1432 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 1433 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1434 | clear_bit(pi->port_id, &adapter->open_device_map); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 1435 | spin_unlock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1436 | |
| 1437 | if (!(adapter->open_device_map & PORT_MASK)) |
Divy Le Ray | c80b0c2 | 2009-04-17 12:21:17 +0000 | [diff] [blame] | 1438 | cancel_delayed_work_sync(&adapter->adap_check_task); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1439 | |
| 1440 | if (!adapter->open_device_map) |
| 1441 | cxgb_down(adapter); |
| 1442 | |
Steve Wise | fa0d4c1 | 2009-09-05 20:22:38 -0700 | [diff] [blame] | 1443 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_DOWN, pi->port_id); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1444 | return 0; |
| 1445 | } |
| 1446 | |
| 1447 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) |
| 1448 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1449 | struct port_info *pi = netdev_priv(dev); |
| 1450 | struct adapter *adapter = pi->adapter; |
| 1451 | struct net_device_stats *ns = &pi->netstats; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1452 | const struct mac_stats *pstats; |
| 1453 | |
| 1454 | spin_lock(&adapter->stats_lock); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1455 | pstats = t3_mac_update_stats(&pi->mac); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1456 | spin_unlock(&adapter->stats_lock); |
| 1457 | |
| 1458 | ns->tx_bytes = pstats->tx_octets; |
| 1459 | ns->tx_packets = pstats->tx_frames; |
| 1460 | ns->rx_bytes = pstats->rx_octets; |
| 1461 | ns->rx_packets = pstats->rx_frames; |
| 1462 | ns->multicast = pstats->rx_mcast_frames; |
| 1463 | |
| 1464 | ns->tx_errors = pstats->tx_underrun; |
| 1465 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + |
| 1466 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + |
| 1467 | pstats->rx_fifo_ovfl; |
| 1468 | |
| 1469 | /* detailed rx_errors */ |
| 1470 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; |
| 1471 | ns->rx_over_errors = 0; |
| 1472 | ns->rx_crc_errors = pstats->rx_fcs_errs; |
| 1473 | ns->rx_frame_errors = pstats->rx_symbol_errs; |
| 1474 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; |
| 1475 | ns->rx_missed_errors = pstats->rx_cong_drops; |
| 1476 | |
| 1477 | /* detailed tx_errors */ |
| 1478 | ns->tx_aborted_errors = 0; |
| 1479 | ns->tx_carrier_errors = 0; |
| 1480 | ns->tx_fifo_errors = pstats->tx_underrun; |
| 1481 | ns->tx_heartbeat_errors = 0; |
| 1482 | ns->tx_window_errors = 0; |
| 1483 | return ns; |
| 1484 | } |
| 1485 | |
| 1486 | static u32 get_msglevel(struct net_device *dev) |
| 1487 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1488 | struct port_info *pi = netdev_priv(dev); |
| 1489 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1490 | |
| 1491 | return adapter->msg_enable; |
| 1492 | } |
| 1493 | |
| 1494 | static void set_msglevel(struct net_device *dev, u32 val) |
| 1495 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1496 | struct port_info *pi = netdev_priv(dev); |
| 1497 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1498 | |
| 1499 | adapter->msg_enable = val; |
| 1500 | } |
| 1501 | |
| 1502 | static char stats_strings[][ETH_GSTRING_LEN] = { |
| 1503 | "TxOctetsOK ", |
| 1504 | "TxFramesOK ", |
| 1505 | "TxMulticastFramesOK", |
| 1506 | "TxBroadcastFramesOK", |
| 1507 | "TxPauseFrames ", |
| 1508 | "TxUnderrun ", |
| 1509 | "TxExtUnderrun ", |
| 1510 | |
| 1511 | "TxFrames64 ", |
| 1512 | "TxFrames65To127 ", |
| 1513 | "TxFrames128To255 ", |
| 1514 | "TxFrames256To511 ", |
| 1515 | "TxFrames512To1023 ", |
| 1516 | "TxFrames1024To1518 ", |
| 1517 | "TxFrames1519ToMax ", |
| 1518 | |
| 1519 | "RxOctetsOK ", |
| 1520 | "RxFramesOK ", |
| 1521 | "RxMulticastFramesOK", |
| 1522 | "RxBroadcastFramesOK", |
| 1523 | "RxPauseFrames ", |
| 1524 | "RxFCSErrors ", |
| 1525 | "RxSymbolErrors ", |
| 1526 | "RxShortErrors ", |
| 1527 | "RxJabberErrors ", |
| 1528 | "RxLengthErrors ", |
| 1529 | "RxFIFOoverflow ", |
| 1530 | |
| 1531 | "RxFrames64 ", |
| 1532 | "RxFrames65To127 ", |
| 1533 | "RxFrames128To255 ", |
| 1534 | "RxFrames256To511 ", |
| 1535 | "RxFrames512To1023 ", |
| 1536 | "RxFrames1024To1518 ", |
| 1537 | "RxFrames1519ToMax ", |
| 1538 | |
| 1539 | "PhyFIFOErrors ", |
| 1540 | "TSO ", |
| 1541 | "VLANextractions ", |
| 1542 | "VLANinsertions ", |
| 1543 | "TxCsumOffload ", |
| 1544 | "RxCsumGood ", |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1545 | "LroAggregated ", |
| 1546 | "LroFlushed ", |
| 1547 | "LroNoDesc ", |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 1548 | "RxDrops ", |
| 1549 | |
| 1550 | "CheckTXEnToggled ", |
| 1551 | "CheckResets ", |
| 1552 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 1553 | "LinkFaults ", |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1554 | }; |
| 1555 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1556 | static int get_sset_count(struct net_device *dev, int sset) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1557 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1558 | switch (sset) { |
| 1559 | case ETH_SS_STATS: |
| 1560 | return ARRAY_SIZE(stats_strings); |
| 1561 | default: |
| 1562 | return -EOPNOTSUPP; |
| 1563 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1564 | } |
| 1565 | |
| 1566 | #define T3_REGMAP_SIZE (3 * 1024) |
| 1567 | |
| 1568 | static int get_regs_len(struct net_device *dev) |
| 1569 | { |
| 1570 | return T3_REGMAP_SIZE; |
| 1571 | } |
| 1572 | |
| 1573 | static int get_eeprom_len(struct net_device *dev) |
| 1574 | { |
| 1575 | return EEPROMSIZE; |
| 1576 | } |
| 1577 | |
| 1578 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 1579 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1580 | struct port_info *pi = netdev_priv(dev); |
| 1581 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1582 | u32 fw_vers = 0; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1583 | u32 tp_vers = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1584 | |
Steve Wise | cf3760d | 2008-11-06 17:06:42 -0600 | [diff] [blame] | 1585 | spin_lock(&adapter->stats_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1586 | t3_get_fw_version(adapter, &fw_vers); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1587 | t3_get_tp_version(adapter, &tp_vers); |
Steve Wise | cf3760d | 2008-11-06 17:06:42 -0600 | [diff] [blame] | 1588 | spin_unlock(&adapter->stats_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1589 | |
| 1590 | strcpy(info->driver, DRV_NAME); |
| 1591 | strcpy(info->version, DRV_VERSION); |
| 1592 | strcpy(info->bus_info, pci_name(adapter->pdev)); |
| 1593 | if (!fw_vers) |
| 1594 | strcpy(info->fw_version, "N/A"); |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1595 | else { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1596 | snprintf(info->fw_version, sizeof(info->fw_version), |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1597 | "%s %u.%u.%u TP %u.%u.%u", |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1598 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
| 1599 | G_FW_VERSION_MAJOR(fw_vers), |
| 1600 | G_FW_VERSION_MINOR(fw_vers), |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1601 | G_FW_VERSION_MICRO(fw_vers), |
| 1602 | G_TP_VERSION_MAJOR(tp_vers), |
| 1603 | G_TP_VERSION_MINOR(tp_vers), |
| 1604 | G_TP_VERSION_MICRO(tp_vers)); |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1605 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1606 | } |
| 1607 | |
| 1608 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) |
| 1609 | { |
| 1610 | if (stringset == ETH_SS_STATS) |
| 1611 | memcpy(data, stats_strings, sizeof(stats_strings)); |
| 1612 | } |
| 1613 | |
| 1614 | static unsigned long collect_sge_port_stats(struct adapter *adapter, |
| 1615 | struct port_info *p, int idx) |
| 1616 | { |
| 1617 | int i; |
| 1618 | unsigned long tot = 0; |
| 1619 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1620 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
| 1621 | tot += adapter->sge.qs[i].port_stats[idx]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1622 | return tot; |
| 1623 | } |
| 1624 | |
| 1625 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, |
| 1626 | u64 *data) |
| 1627 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1628 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1629 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1630 | const struct mac_stats *s; |
| 1631 | |
| 1632 | spin_lock(&adapter->stats_lock); |
| 1633 | s = t3_mac_update_stats(&pi->mac); |
| 1634 | spin_unlock(&adapter->stats_lock); |
| 1635 | |
| 1636 | *data++ = s->tx_octets; |
| 1637 | *data++ = s->tx_frames; |
| 1638 | *data++ = s->tx_mcast_frames; |
| 1639 | *data++ = s->tx_bcast_frames; |
| 1640 | *data++ = s->tx_pause; |
| 1641 | *data++ = s->tx_underrun; |
| 1642 | *data++ = s->tx_fifo_urun; |
| 1643 | |
| 1644 | *data++ = s->tx_frames_64; |
| 1645 | *data++ = s->tx_frames_65_127; |
| 1646 | *data++ = s->tx_frames_128_255; |
| 1647 | *data++ = s->tx_frames_256_511; |
| 1648 | *data++ = s->tx_frames_512_1023; |
| 1649 | *data++ = s->tx_frames_1024_1518; |
| 1650 | *data++ = s->tx_frames_1519_max; |
| 1651 | |
| 1652 | *data++ = s->rx_octets; |
| 1653 | *data++ = s->rx_frames; |
| 1654 | *data++ = s->rx_mcast_frames; |
| 1655 | *data++ = s->rx_bcast_frames; |
| 1656 | *data++ = s->rx_pause; |
| 1657 | *data++ = s->rx_fcs_errs; |
| 1658 | *data++ = s->rx_symbol_errs; |
| 1659 | *data++ = s->rx_short; |
| 1660 | *data++ = s->rx_jabber; |
| 1661 | *data++ = s->rx_too_long; |
| 1662 | *data++ = s->rx_fifo_ovfl; |
| 1663 | |
| 1664 | *data++ = s->rx_frames_64; |
| 1665 | *data++ = s->rx_frames_65_127; |
| 1666 | *data++ = s->rx_frames_128_255; |
| 1667 | *data++ = s->rx_frames_256_511; |
| 1668 | *data++ = s->rx_frames_512_1023; |
| 1669 | *data++ = s->rx_frames_1024_1518; |
| 1670 | *data++ = s->rx_frames_1519_max; |
| 1671 | |
| 1672 | *data++ = pi->phy.fifo_errors; |
| 1673 | |
| 1674 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); |
| 1675 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); |
| 1676 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); |
| 1677 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); |
| 1678 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); |
Herbert Xu | 7be2df4 | 2009-01-21 14:39:13 -0800 | [diff] [blame] | 1679 | *data++ = 0; |
| 1680 | *data++ = 0; |
| 1681 | *data++ = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1682 | *data++ = s->rx_cong_drops; |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 1683 | |
| 1684 | *data++ = s->num_toggled; |
| 1685 | *data++ = s->num_resets; |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 1686 | |
| 1687 | *data++ = s->link_faults; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1688 | } |
| 1689 | |
| 1690 | static inline void reg_block_dump(struct adapter *ap, void *buf, |
| 1691 | unsigned int start, unsigned int end) |
| 1692 | { |
| 1693 | u32 *p = buf + start; |
| 1694 | |
| 1695 | for (; start <= end; start += sizeof(u32)) |
| 1696 | *p++ = t3_read_reg(ap, start); |
| 1697 | } |
| 1698 | |
| 1699 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 1700 | void *buf) |
| 1701 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1702 | struct port_info *pi = netdev_priv(dev); |
| 1703 | struct adapter *ap = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1704 | |
| 1705 | /* |
| 1706 | * Version scheme: |
| 1707 | * bits 0..9: chip version |
| 1708 | * bits 10..15: chip revision |
| 1709 | * bit 31: set for PCIe cards |
| 1710 | */ |
| 1711 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); |
| 1712 | |
| 1713 | /* |
| 1714 | * We skip the MAC statistics registers because they are clear-on-read. |
| 1715 | * Also reading multi-register stats would need to synchronize with the |
| 1716 | * periodic mac stats accumulation. Hard to justify the complexity. |
| 1717 | */ |
| 1718 | memset(buf, 0, T3_REGMAP_SIZE); |
| 1719 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); |
| 1720 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); |
| 1721 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); |
| 1722 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); |
| 1723 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); |
| 1724 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, |
| 1725 | XGM_REG(A_XGM_SERDES_STAT3, 1)); |
| 1726 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), |
| 1727 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); |
| 1728 | } |
| 1729 | |
| 1730 | static int restart_autoneg(struct net_device *dev) |
| 1731 | { |
| 1732 | struct port_info *p = netdev_priv(dev); |
| 1733 | |
| 1734 | if (!netif_running(dev)) |
| 1735 | return -EAGAIN; |
| 1736 | if (p->link_config.autoneg != AUTONEG_ENABLE) |
| 1737 | return -EINVAL; |
| 1738 | p->phy.ops->autoneg_restart(&p->phy); |
| 1739 | return 0; |
| 1740 | } |
| 1741 | |
| 1742 | static int cxgb3_phys_id(struct net_device *dev, u32 data) |
| 1743 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1744 | struct port_info *pi = netdev_priv(dev); |
| 1745 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1746 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1747 | |
| 1748 | if (data == 0) |
| 1749 | data = 2; |
| 1750 | |
| 1751 | for (i = 0; i < data * 2; i++) { |
| 1752 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
| 1753 | (i & 1) ? F_GPIO0_OUT_VAL : 0); |
| 1754 | if (msleep_interruptible(500)) |
| 1755 | break; |
| 1756 | } |
| 1757 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
| 1758 | F_GPIO0_OUT_VAL); |
| 1759 | return 0; |
| 1760 | } |
| 1761 | |
| 1762 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 1763 | { |
| 1764 | struct port_info *p = netdev_priv(dev); |
| 1765 | |
| 1766 | cmd->supported = p->link_config.supported; |
| 1767 | cmd->advertising = p->link_config.advertising; |
| 1768 | |
| 1769 | if (netif_carrier_ok(dev)) { |
| 1770 | cmd->speed = p->link_config.speed; |
| 1771 | cmd->duplex = p->link_config.duplex; |
| 1772 | } else { |
| 1773 | cmd->speed = -1; |
| 1774 | cmd->duplex = -1; |
| 1775 | } |
| 1776 | |
| 1777 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; |
Ben Hutchings | 0f07c4e | 2009-04-29 08:07:20 +0000 | [diff] [blame] | 1778 | cmd->phy_address = p->phy.mdio.prtad; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1779 | cmd->transceiver = XCVR_EXTERNAL; |
| 1780 | cmd->autoneg = p->link_config.autoneg; |
| 1781 | cmd->maxtxpkt = 0; |
| 1782 | cmd->maxrxpkt = 0; |
| 1783 | return 0; |
| 1784 | } |
| 1785 | |
| 1786 | static int speed_duplex_to_caps(int speed, int duplex) |
| 1787 | { |
| 1788 | int cap = 0; |
| 1789 | |
| 1790 | switch (speed) { |
| 1791 | case SPEED_10: |
| 1792 | if (duplex == DUPLEX_FULL) |
| 1793 | cap = SUPPORTED_10baseT_Full; |
| 1794 | else |
| 1795 | cap = SUPPORTED_10baseT_Half; |
| 1796 | break; |
| 1797 | case SPEED_100: |
| 1798 | if (duplex == DUPLEX_FULL) |
| 1799 | cap = SUPPORTED_100baseT_Full; |
| 1800 | else |
| 1801 | cap = SUPPORTED_100baseT_Half; |
| 1802 | break; |
| 1803 | case SPEED_1000: |
| 1804 | if (duplex == DUPLEX_FULL) |
| 1805 | cap = SUPPORTED_1000baseT_Full; |
| 1806 | else |
| 1807 | cap = SUPPORTED_1000baseT_Half; |
| 1808 | break; |
| 1809 | case SPEED_10000: |
| 1810 | if (duplex == DUPLEX_FULL) |
| 1811 | cap = SUPPORTED_10000baseT_Full; |
| 1812 | } |
| 1813 | return cap; |
| 1814 | } |
| 1815 | |
| 1816 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ |
| 1817 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ |
| 1818 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ |
| 1819 | ADVERTISED_10000baseT_Full) |
| 1820 | |
| 1821 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 1822 | { |
| 1823 | struct port_info *p = netdev_priv(dev); |
| 1824 | struct link_config *lc = &p->link_config; |
| 1825 | |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 1826 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
| 1827 | /* |
| 1828 | * PHY offers a single speed/duplex. See if that's what's |
| 1829 | * being requested. |
| 1830 | */ |
| 1831 | if (cmd->autoneg == AUTONEG_DISABLE) { |
Hannes Eder | 97915b5 | 2009-02-14 11:16:04 +0000 | [diff] [blame] | 1832 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 1833 | if (lc->supported & cap) |
| 1834 | return 0; |
| 1835 | } |
| 1836 | return -EINVAL; |
| 1837 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1838 | |
| 1839 | if (cmd->autoneg == AUTONEG_DISABLE) { |
| 1840 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); |
| 1841 | |
| 1842 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) |
| 1843 | return -EINVAL; |
| 1844 | lc->requested_speed = cmd->speed; |
| 1845 | lc->requested_duplex = cmd->duplex; |
| 1846 | lc->advertising = 0; |
| 1847 | } else { |
| 1848 | cmd->advertising &= ADVERTISED_MASK; |
| 1849 | cmd->advertising &= lc->supported; |
| 1850 | if (!cmd->advertising) |
| 1851 | return -EINVAL; |
| 1852 | lc->requested_speed = SPEED_INVALID; |
| 1853 | lc->requested_duplex = DUPLEX_INVALID; |
| 1854 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; |
| 1855 | } |
| 1856 | lc->autoneg = cmd->autoneg; |
| 1857 | if (netif_running(dev)) |
| 1858 | t3_link_start(&p->phy, &p->mac, lc); |
| 1859 | return 0; |
| 1860 | } |
| 1861 | |
| 1862 | static void get_pauseparam(struct net_device *dev, |
| 1863 | struct ethtool_pauseparam *epause) |
| 1864 | { |
| 1865 | struct port_info *p = netdev_priv(dev); |
| 1866 | |
| 1867 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; |
| 1868 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; |
| 1869 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; |
| 1870 | } |
| 1871 | |
| 1872 | static int set_pauseparam(struct net_device *dev, |
| 1873 | struct ethtool_pauseparam *epause) |
| 1874 | { |
| 1875 | struct port_info *p = netdev_priv(dev); |
| 1876 | struct link_config *lc = &p->link_config; |
| 1877 | |
| 1878 | if (epause->autoneg == AUTONEG_DISABLE) |
| 1879 | lc->requested_fc = 0; |
| 1880 | else if (lc->supported & SUPPORTED_Autoneg) |
| 1881 | lc->requested_fc = PAUSE_AUTONEG; |
| 1882 | else |
| 1883 | return -EINVAL; |
| 1884 | |
| 1885 | if (epause->rx_pause) |
| 1886 | lc->requested_fc |= PAUSE_RX; |
| 1887 | if (epause->tx_pause) |
| 1888 | lc->requested_fc |= PAUSE_TX; |
| 1889 | if (lc->autoneg == AUTONEG_ENABLE) { |
| 1890 | if (netif_running(dev)) |
| 1891 | t3_link_start(&p->phy, &p->mac, lc); |
| 1892 | } else { |
| 1893 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); |
| 1894 | if (netif_running(dev)) |
| 1895 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); |
| 1896 | } |
| 1897 | return 0; |
| 1898 | } |
| 1899 | |
| 1900 | static u32 get_rx_csum(struct net_device *dev) |
| 1901 | { |
| 1902 | struct port_info *p = netdev_priv(dev); |
| 1903 | |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 1904 | return p->rx_offload & T3_RX_CSUM; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1905 | } |
| 1906 | |
| 1907 | static int set_rx_csum(struct net_device *dev, u32 data) |
| 1908 | { |
| 1909 | struct port_info *p = netdev_priv(dev); |
| 1910 | |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 1911 | if (data) { |
| 1912 | p->rx_offload |= T3_RX_CSUM; |
| 1913 | } else { |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1914 | int i; |
| 1915 | |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 1916 | p->rx_offload &= ~(T3_RX_CSUM | T3_LRO); |
Divy Le Ray | 04ecb07 | 2008-10-28 22:40:32 -0700 | [diff] [blame] | 1917 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) |
| 1918 | set_qset_lro(dev, i, 0); |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1919 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1920 | return 0; |
| 1921 | } |
| 1922 | |
| 1923 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
| 1924 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1925 | struct port_info *pi = netdev_priv(dev); |
| 1926 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1927 | const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1928 | |
| 1929 | e->rx_max_pending = MAX_RX_BUFFERS; |
| 1930 | e->rx_mini_max_pending = 0; |
| 1931 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; |
| 1932 | e->tx_max_pending = MAX_TXQ_ENTRIES; |
| 1933 | |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1934 | e->rx_pending = q->fl_size; |
| 1935 | e->rx_mini_pending = q->rspq_size; |
| 1936 | e->rx_jumbo_pending = q->jumbo_size; |
| 1937 | e->tx_pending = q->txq_size[0]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1938 | } |
| 1939 | |
| 1940 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
| 1941 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1942 | struct port_info *pi = netdev_priv(dev); |
| 1943 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1944 | struct qset_params *q; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1945 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1946 | |
| 1947 | if (e->rx_pending > MAX_RX_BUFFERS || |
| 1948 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || |
| 1949 | e->tx_pending > MAX_TXQ_ENTRIES || |
| 1950 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || |
| 1951 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || |
| 1952 | e->rx_pending < MIN_FL_ENTRIES || |
| 1953 | e->rx_jumbo_pending < MIN_FL_ENTRIES || |
| 1954 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) |
| 1955 | return -EINVAL; |
| 1956 | |
| 1957 | if (adapter->flags & FULL_INIT_DONE) |
| 1958 | return -EBUSY; |
| 1959 | |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1960 | q = &adapter->params.sge.qset[pi->first_qset]; |
| 1961 | for (i = 0; i < pi->nqsets; ++i, ++q) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1962 | q->rspq_size = e->rx_mini_pending; |
| 1963 | q->fl_size = e->rx_pending; |
| 1964 | q->jumbo_size = e->rx_jumbo_pending; |
| 1965 | q->txq_size[0] = e->tx_pending; |
| 1966 | q->txq_size[1] = e->tx_pending; |
| 1967 | q->txq_size[2] = e->tx_pending; |
| 1968 | } |
| 1969 | return 0; |
| 1970 | } |
| 1971 | |
| 1972 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) |
| 1973 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1974 | struct port_info *pi = netdev_priv(dev); |
| 1975 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1976 | struct qset_params *qsp = &adapter->params.sge.qset[0]; |
| 1977 | struct sge_qset *qs = &adapter->sge.qs[0]; |
| 1978 | |
| 1979 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) |
| 1980 | return -EINVAL; |
| 1981 | |
| 1982 | qsp->coalesce_usecs = c->rx_coalesce_usecs; |
| 1983 | t3_update_qset_coalesce(qs, qsp); |
| 1984 | return 0; |
| 1985 | } |
| 1986 | |
| 1987 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) |
| 1988 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1989 | struct port_info *pi = netdev_priv(dev); |
| 1990 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1991 | struct qset_params *q = adapter->params.sge.qset; |
| 1992 | |
| 1993 | c->rx_coalesce_usecs = q->coalesce_usecs; |
| 1994 | return 0; |
| 1995 | } |
| 1996 | |
| 1997 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, |
| 1998 | u8 * data) |
| 1999 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2000 | struct port_info *pi = netdev_priv(dev); |
| 2001 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2002 | int i, err = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2003 | |
| 2004 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); |
| 2005 | if (!buf) |
| 2006 | return -ENOMEM; |
| 2007 | |
| 2008 | e->magic = EEPROM_MAGIC; |
| 2009 | for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 2010 | err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2011 | |
| 2012 | if (!err) |
| 2013 | memcpy(data, buf + e->offset, e->len); |
| 2014 | kfree(buf); |
| 2015 | return err; |
| 2016 | } |
| 2017 | |
| 2018 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 2019 | u8 * data) |
| 2020 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2021 | struct port_info *pi = netdev_priv(dev); |
| 2022 | struct adapter *adapter = pi->adapter; |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 2023 | u32 aligned_offset, aligned_len; |
| 2024 | __le32 *p; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2025 | u8 *buf; |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 2026 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2027 | |
| 2028 | if (eeprom->magic != EEPROM_MAGIC) |
| 2029 | return -EINVAL; |
| 2030 | |
| 2031 | aligned_offset = eeprom->offset & ~3; |
| 2032 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; |
| 2033 | |
| 2034 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { |
| 2035 | buf = kmalloc(aligned_len, GFP_KERNEL); |
| 2036 | if (!buf) |
| 2037 | return -ENOMEM; |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 2038 | err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2039 | if (!err && aligned_len > 4) |
| 2040 | err = t3_seeprom_read(adapter, |
| 2041 | aligned_offset + aligned_len - 4, |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 2042 | (__le32 *) & buf[aligned_len - 4]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2043 | if (err) |
| 2044 | goto out; |
| 2045 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); |
| 2046 | } else |
| 2047 | buf = data; |
| 2048 | |
| 2049 | err = t3_seeprom_wp(adapter, 0); |
| 2050 | if (err) |
| 2051 | goto out; |
| 2052 | |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 2053 | for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2054 | err = t3_seeprom_write(adapter, aligned_offset, *p); |
| 2055 | aligned_offset += 4; |
| 2056 | } |
| 2057 | |
| 2058 | if (!err) |
| 2059 | err = t3_seeprom_wp(adapter, 1); |
| 2060 | out: |
| 2061 | if (buf != data) |
| 2062 | kfree(buf); |
| 2063 | return err; |
| 2064 | } |
| 2065 | |
| 2066 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 2067 | { |
| 2068 | wol->supported = 0; |
| 2069 | wol->wolopts = 0; |
| 2070 | memset(&wol->sopass, 0, sizeof(wol->sopass)); |
| 2071 | } |
| 2072 | |
| 2073 | static const struct ethtool_ops cxgb_ethtool_ops = { |
| 2074 | .get_settings = get_settings, |
| 2075 | .set_settings = set_settings, |
| 2076 | .get_drvinfo = get_drvinfo, |
| 2077 | .get_msglevel = get_msglevel, |
| 2078 | .set_msglevel = set_msglevel, |
| 2079 | .get_ringparam = get_sge_param, |
| 2080 | .set_ringparam = set_sge_param, |
| 2081 | .get_coalesce = get_coalesce, |
| 2082 | .set_coalesce = set_coalesce, |
| 2083 | .get_eeprom_len = get_eeprom_len, |
| 2084 | .get_eeprom = get_eeprom, |
| 2085 | .set_eeprom = set_eeprom, |
| 2086 | .get_pauseparam = get_pauseparam, |
| 2087 | .set_pauseparam = set_pauseparam, |
| 2088 | .get_rx_csum = get_rx_csum, |
| 2089 | .set_rx_csum = set_rx_csum, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2090 | .set_tx_csum = ethtool_op_set_tx_csum, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2091 | .set_sg = ethtool_op_set_sg, |
| 2092 | .get_link = ethtool_op_get_link, |
| 2093 | .get_strings = get_strings, |
| 2094 | .phys_id = cxgb3_phys_id, |
| 2095 | .nway_reset = restart_autoneg, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 2096 | .get_sset_count = get_sset_count, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2097 | .get_ethtool_stats = get_stats, |
| 2098 | .get_regs_len = get_regs_len, |
| 2099 | .get_regs = get_regs, |
| 2100 | .get_wol = get_wol, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2101 | .set_tso = ethtool_op_set_tso, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2102 | }; |
| 2103 | |
| 2104 | static int in_range(int val, int lo, int hi) |
| 2105 | { |
| 2106 | return val < 0 || (val <= hi && val >= lo); |
| 2107 | } |
| 2108 | |
| 2109 | static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) |
| 2110 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2111 | struct port_info *pi = netdev_priv(dev); |
| 2112 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2113 | u32 cmd; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2114 | int ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2115 | |
| 2116 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| 2117 | return -EFAULT; |
| 2118 | |
| 2119 | switch (cmd) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2120 | case CHELSIO_SET_QSET_PARAMS:{ |
| 2121 | int i; |
| 2122 | struct qset_params *q; |
| 2123 | struct ch_qset_params t; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2124 | int q1 = pi->first_qset; |
| 2125 | int nqsets = pi->nqsets; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2126 | |
| 2127 | if (!capable(CAP_NET_ADMIN)) |
| 2128 | return -EPERM; |
| 2129 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2130 | return -EFAULT; |
| 2131 | if (t.qset_idx >= SGE_QSETS) |
| 2132 | return -EINVAL; |
| 2133 | if (!in_range(t.intr_lat, 0, M_NEWTIMER) || |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 2134 | !in_range(t.cong_thres, 0, 255) || |
| 2135 | !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, |
| 2136 | MAX_TXQ_ENTRIES) || |
| 2137 | !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, |
| 2138 | MAX_TXQ_ENTRIES) || |
| 2139 | !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, |
| 2140 | MAX_CTRL_TXQ_ENTRIES) || |
| 2141 | !in_range(t.fl_size[0], MIN_FL_ENTRIES, |
| 2142 | MAX_RX_BUFFERS) || |
| 2143 | !in_range(t.fl_size[1], MIN_FL_ENTRIES, |
| 2144 | MAX_RX_JUMBO_BUFFERS) || |
| 2145 | !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, |
| 2146 | MAX_RSPQ_ENTRIES)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2147 | return -EINVAL; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2148 | |
| 2149 | if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0) |
| 2150 | for_each_port(adapter, i) { |
| 2151 | pi = adap2pinfo(adapter, i); |
| 2152 | if (t.qset_idx >= pi->first_qset && |
| 2153 | t.qset_idx < pi->first_qset + pi->nqsets && |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 2154 | !(pi->rx_offload & T3_RX_CSUM)) |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2155 | return -EINVAL; |
| 2156 | } |
| 2157 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2158 | if ((adapter->flags & FULL_INIT_DONE) && |
| 2159 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || |
| 2160 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || |
| 2161 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || |
| 2162 | t.polling >= 0 || t.cong_thres >= 0)) |
| 2163 | return -EBUSY; |
| 2164 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2165 | /* Allow setting of any available qset when offload enabled */ |
| 2166 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { |
| 2167 | q1 = 0; |
| 2168 | for_each_port(adapter, i) { |
| 2169 | pi = adap2pinfo(adapter, i); |
| 2170 | nqsets += pi->first_qset + pi->nqsets; |
| 2171 | } |
| 2172 | } |
| 2173 | |
| 2174 | if (t.qset_idx < q1) |
| 2175 | return -EINVAL; |
| 2176 | if (t.qset_idx > q1 + nqsets - 1) |
| 2177 | return -EINVAL; |
| 2178 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2179 | q = &adapter->params.sge.qset[t.qset_idx]; |
| 2180 | |
| 2181 | if (t.rspq_size >= 0) |
| 2182 | q->rspq_size = t.rspq_size; |
| 2183 | if (t.fl_size[0] >= 0) |
| 2184 | q->fl_size = t.fl_size[0]; |
| 2185 | if (t.fl_size[1] >= 0) |
| 2186 | q->jumbo_size = t.fl_size[1]; |
| 2187 | if (t.txq_size[0] >= 0) |
| 2188 | q->txq_size[0] = t.txq_size[0]; |
| 2189 | if (t.txq_size[1] >= 0) |
| 2190 | q->txq_size[1] = t.txq_size[1]; |
| 2191 | if (t.txq_size[2] >= 0) |
| 2192 | q->txq_size[2] = t.txq_size[2]; |
| 2193 | if (t.cong_thres >= 0) |
| 2194 | q->cong_thres = t.cong_thres; |
| 2195 | if (t.intr_lat >= 0) { |
| 2196 | struct sge_qset *qs = |
| 2197 | &adapter->sge.qs[t.qset_idx]; |
| 2198 | |
| 2199 | q->coalesce_usecs = t.intr_lat; |
| 2200 | t3_update_qset_coalesce(qs, q); |
| 2201 | } |
| 2202 | if (t.polling >= 0) { |
| 2203 | if (adapter->flags & USING_MSIX) |
| 2204 | q->polling = t.polling; |
| 2205 | else { |
| 2206 | /* No polling with INTx for T3A */ |
| 2207 | if (adapter->params.rev == 0 && |
| 2208 | !(adapter->flags & USING_MSI)) |
| 2209 | t.polling = 0; |
| 2210 | |
| 2211 | for (i = 0; i < SGE_QSETS; i++) { |
| 2212 | q = &adapter->params.sge. |
| 2213 | qset[i]; |
| 2214 | q->polling = t.polling; |
| 2215 | } |
| 2216 | } |
| 2217 | } |
Divy Le Ray | 04ecb07 | 2008-10-28 22:40:32 -0700 | [diff] [blame] | 2218 | if (t.lro >= 0) |
| 2219 | set_qset_lro(dev, t.qset_idx, t.lro); |
| 2220 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2221 | break; |
| 2222 | } |
| 2223 | case CHELSIO_GET_QSET_PARAMS:{ |
| 2224 | struct qset_params *q; |
| 2225 | struct ch_qset_params t; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2226 | int q1 = pi->first_qset; |
| 2227 | int nqsets = pi->nqsets; |
| 2228 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2229 | |
| 2230 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2231 | return -EFAULT; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2232 | |
| 2233 | /* Display qsets for all ports when offload enabled */ |
| 2234 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { |
| 2235 | q1 = 0; |
| 2236 | for_each_port(adapter, i) { |
| 2237 | pi = adap2pinfo(adapter, i); |
| 2238 | nqsets = pi->first_qset + pi->nqsets; |
| 2239 | } |
| 2240 | } |
| 2241 | |
| 2242 | if (t.qset_idx >= nqsets) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2243 | return -EINVAL; |
| 2244 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2245 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2246 | t.rspq_size = q->rspq_size; |
| 2247 | t.txq_size[0] = q->txq_size[0]; |
| 2248 | t.txq_size[1] = q->txq_size[1]; |
| 2249 | t.txq_size[2] = q->txq_size[2]; |
| 2250 | t.fl_size[0] = q->fl_size; |
| 2251 | t.fl_size[1] = q->jumbo_size; |
| 2252 | t.polling = q->polling; |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 2253 | t.lro = q->lro; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2254 | t.intr_lat = q->coalesce_usecs; |
| 2255 | t.cong_thres = q->cong_thres; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2256 | t.qnum = q1; |
| 2257 | |
| 2258 | if (adapter->flags & USING_MSIX) |
| 2259 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; |
| 2260 | else |
| 2261 | t.vector = adapter->pdev->irq; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2262 | |
| 2263 | if (copy_to_user(useraddr, &t, sizeof(t))) |
| 2264 | return -EFAULT; |
| 2265 | break; |
| 2266 | } |
| 2267 | case CHELSIO_SET_QSET_NUM:{ |
| 2268 | struct ch_reg edata; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2269 | unsigned int i, first_qset = 0, other_qsets = 0; |
| 2270 | |
| 2271 | if (!capable(CAP_NET_ADMIN)) |
| 2272 | return -EPERM; |
| 2273 | if (adapter->flags & FULL_INIT_DONE) |
| 2274 | return -EBUSY; |
| 2275 | if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| 2276 | return -EFAULT; |
| 2277 | if (edata.val < 1 || |
| 2278 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) |
| 2279 | return -EINVAL; |
| 2280 | |
| 2281 | for_each_port(adapter, i) |
| 2282 | if (adapter->port[i] && adapter->port[i] != dev) |
| 2283 | other_qsets += adap2pinfo(adapter, i)->nqsets; |
| 2284 | |
| 2285 | if (edata.val + other_qsets > SGE_QSETS) |
| 2286 | return -EINVAL; |
| 2287 | |
| 2288 | pi->nqsets = edata.val; |
| 2289 | |
| 2290 | for_each_port(adapter, i) |
| 2291 | if (adapter->port[i]) { |
| 2292 | pi = adap2pinfo(adapter, i); |
| 2293 | pi->first_qset = first_qset; |
| 2294 | first_qset += pi->nqsets; |
| 2295 | } |
| 2296 | break; |
| 2297 | } |
| 2298 | case CHELSIO_GET_QSET_NUM:{ |
| 2299 | struct ch_reg edata; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2300 | |
| 2301 | edata.cmd = CHELSIO_GET_QSET_NUM; |
| 2302 | edata.val = pi->nqsets; |
| 2303 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| 2304 | return -EFAULT; |
| 2305 | break; |
| 2306 | } |
| 2307 | case CHELSIO_LOAD_FW:{ |
| 2308 | u8 *fw_data; |
| 2309 | struct ch_mem_range t; |
| 2310 | |
Alan Cox | 1b3aa7a | 2008-04-29 14:29:30 +0100 | [diff] [blame] | 2311 | if (!capable(CAP_SYS_RAWIO)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2312 | return -EPERM; |
| 2313 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2314 | return -EFAULT; |
Alan Cox | 1b3aa7a | 2008-04-29 14:29:30 +0100 | [diff] [blame] | 2315 | /* Check t.len sanity ? */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2316 | fw_data = kmalloc(t.len, GFP_KERNEL); |
| 2317 | if (!fw_data) |
| 2318 | return -ENOMEM; |
| 2319 | |
| 2320 | if (copy_from_user |
| 2321 | (fw_data, useraddr + sizeof(t), t.len)) { |
| 2322 | kfree(fw_data); |
| 2323 | return -EFAULT; |
| 2324 | } |
| 2325 | |
| 2326 | ret = t3_load_fw(adapter, fw_data, t.len); |
| 2327 | kfree(fw_data); |
| 2328 | if (ret) |
| 2329 | return ret; |
| 2330 | break; |
| 2331 | } |
| 2332 | case CHELSIO_SETMTUTAB:{ |
| 2333 | struct ch_mtus m; |
| 2334 | int i; |
| 2335 | |
| 2336 | if (!is_offload(adapter)) |
| 2337 | return -EOPNOTSUPP; |
| 2338 | if (!capable(CAP_NET_ADMIN)) |
| 2339 | return -EPERM; |
| 2340 | if (offload_running(adapter)) |
| 2341 | return -EBUSY; |
| 2342 | if (copy_from_user(&m, useraddr, sizeof(m))) |
| 2343 | return -EFAULT; |
| 2344 | if (m.nmtus != NMTUS) |
| 2345 | return -EINVAL; |
| 2346 | if (m.mtus[0] < 81) /* accommodate SACK */ |
| 2347 | return -EINVAL; |
| 2348 | |
| 2349 | /* MTUs must be in ascending order */ |
| 2350 | for (i = 1; i < NMTUS; ++i) |
| 2351 | if (m.mtus[i] < m.mtus[i - 1]) |
| 2352 | return -EINVAL; |
| 2353 | |
| 2354 | memcpy(adapter->params.mtus, m.mtus, |
| 2355 | sizeof(adapter->params.mtus)); |
| 2356 | break; |
| 2357 | } |
| 2358 | case CHELSIO_GET_PM:{ |
| 2359 | struct tp_params *p = &adapter->params.tp; |
| 2360 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; |
| 2361 | |
| 2362 | if (!is_offload(adapter)) |
| 2363 | return -EOPNOTSUPP; |
| 2364 | m.tx_pg_sz = p->tx_pg_size; |
| 2365 | m.tx_num_pg = p->tx_num_pgs; |
| 2366 | m.rx_pg_sz = p->rx_pg_size; |
| 2367 | m.rx_num_pg = p->rx_num_pgs; |
| 2368 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; |
| 2369 | if (copy_to_user(useraddr, &m, sizeof(m))) |
| 2370 | return -EFAULT; |
| 2371 | break; |
| 2372 | } |
| 2373 | case CHELSIO_SET_PM:{ |
| 2374 | struct ch_pm m; |
| 2375 | struct tp_params *p = &adapter->params.tp; |
| 2376 | |
| 2377 | if (!is_offload(adapter)) |
| 2378 | return -EOPNOTSUPP; |
| 2379 | if (!capable(CAP_NET_ADMIN)) |
| 2380 | return -EPERM; |
| 2381 | if (adapter->flags & FULL_INIT_DONE) |
| 2382 | return -EBUSY; |
| 2383 | if (copy_from_user(&m, useraddr, sizeof(m))) |
| 2384 | return -EFAULT; |
vignesh babu | d9da466 | 2007-07-09 11:50:22 -0700 | [diff] [blame] | 2385 | if (!is_power_of_2(m.rx_pg_sz) || |
| 2386 | !is_power_of_2(m.tx_pg_sz)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2387 | return -EINVAL; /* not power of 2 */ |
| 2388 | if (!(m.rx_pg_sz & 0x14000)) |
| 2389 | return -EINVAL; /* not 16KB or 64KB */ |
| 2390 | if (!(m.tx_pg_sz & 0x1554000)) |
| 2391 | return -EINVAL; |
| 2392 | if (m.tx_num_pg == -1) |
| 2393 | m.tx_num_pg = p->tx_num_pgs; |
| 2394 | if (m.rx_num_pg == -1) |
| 2395 | m.rx_num_pg = p->rx_num_pgs; |
| 2396 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) |
| 2397 | return -EINVAL; |
| 2398 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || |
| 2399 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) |
| 2400 | return -EINVAL; |
| 2401 | p->rx_pg_size = m.rx_pg_sz; |
| 2402 | p->tx_pg_size = m.tx_pg_sz; |
| 2403 | p->rx_num_pgs = m.rx_num_pg; |
| 2404 | p->tx_num_pgs = m.tx_num_pg; |
| 2405 | break; |
| 2406 | } |
| 2407 | case CHELSIO_GET_MEM:{ |
| 2408 | struct ch_mem_range t; |
| 2409 | struct mc7 *mem; |
| 2410 | u64 buf[32]; |
| 2411 | |
| 2412 | if (!is_offload(adapter)) |
| 2413 | return -EOPNOTSUPP; |
| 2414 | if (!(adapter->flags & FULL_INIT_DONE)) |
| 2415 | return -EIO; /* need the memory controllers */ |
| 2416 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2417 | return -EFAULT; |
| 2418 | if ((t.addr & 7) || (t.len & 7)) |
| 2419 | return -EINVAL; |
| 2420 | if (t.mem_id == MEM_CM) |
| 2421 | mem = &adapter->cm; |
| 2422 | else if (t.mem_id == MEM_PMRX) |
| 2423 | mem = &adapter->pmrx; |
| 2424 | else if (t.mem_id == MEM_PMTX) |
| 2425 | mem = &adapter->pmtx; |
| 2426 | else |
| 2427 | return -EINVAL; |
| 2428 | |
| 2429 | /* |
Divy Le Ray | 1825494 | 2007-02-24 16:43:56 -0800 | [diff] [blame] | 2430 | * Version scheme: |
| 2431 | * bits 0..9: chip version |
| 2432 | * bits 10..15: chip revision |
| 2433 | */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2434 | t.version = 3 | (adapter->params.rev << 10); |
| 2435 | if (copy_to_user(useraddr, &t, sizeof(t))) |
| 2436 | return -EFAULT; |
| 2437 | |
| 2438 | /* |
| 2439 | * Read 256 bytes at a time as len can be large and we don't |
| 2440 | * want to use huge intermediate buffers. |
| 2441 | */ |
| 2442 | useraddr += sizeof(t); /* advance to start of buffer */ |
| 2443 | while (t.len) { |
| 2444 | unsigned int chunk = |
| 2445 | min_t(unsigned int, t.len, sizeof(buf)); |
| 2446 | |
| 2447 | ret = |
| 2448 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, |
| 2449 | buf); |
| 2450 | if (ret) |
| 2451 | return ret; |
| 2452 | if (copy_to_user(useraddr, buf, chunk)) |
| 2453 | return -EFAULT; |
| 2454 | useraddr += chunk; |
| 2455 | t.addr += chunk; |
| 2456 | t.len -= chunk; |
| 2457 | } |
| 2458 | break; |
| 2459 | } |
| 2460 | case CHELSIO_SET_TRACE_FILTER:{ |
| 2461 | struct ch_trace t; |
| 2462 | const struct trace_params *tp; |
| 2463 | |
| 2464 | if (!capable(CAP_NET_ADMIN)) |
| 2465 | return -EPERM; |
| 2466 | if (!offload_running(adapter)) |
| 2467 | return -EAGAIN; |
| 2468 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2469 | return -EFAULT; |
| 2470 | |
| 2471 | tp = (const struct trace_params *)&t.sip; |
| 2472 | if (t.config_tx) |
| 2473 | t3_config_trace_filter(adapter, tp, 0, |
| 2474 | t.invert_match, |
| 2475 | t.trace_tx); |
| 2476 | if (t.config_rx) |
| 2477 | t3_config_trace_filter(adapter, tp, 1, |
| 2478 | t.invert_match, |
| 2479 | t.trace_rx); |
| 2480 | break; |
| 2481 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2482 | default: |
| 2483 | return -EOPNOTSUPP; |
| 2484 | } |
| 2485 | return 0; |
| 2486 | } |
| 2487 | |
| 2488 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) |
| 2489 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2490 | struct mii_ioctl_data *data = if_mii(req); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2491 | struct port_info *pi = netdev_priv(dev); |
| 2492 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2493 | |
| 2494 | switch (cmd) { |
Ben Hutchings | 0f07c4e | 2009-04-29 08:07:20 +0000 | [diff] [blame] | 2495 | case SIOCGMIIREG: |
| 2496 | case SIOCSMIIREG: |
| 2497 | /* Convert phy_id from older PRTAD/DEVAD format */ |
| 2498 | if (is_10G(adapter) && |
| 2499 | !mdio_phy_id_is_c45(data->phy_id) && |
| 2500 | (data->phy_id & 0x1f00) && |
| 2501 | !(data->phy_id & 0xe0e0)) |
| 2502 | data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, |
| 2503 | data->phy_id & 0x1f); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2504 | /* FALLTHRU */ |
Ben Hutchings | 0f07c4e | 2009-04-29 08:07:20 +0000 | [diff] [blame] | 2505 | case SIOCGMIIPHY: |
| 2506 | return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2507 | case SIOCCHIOCTL: |
| 2508 | return cxgb_extension_ioctl(dev, req->ifr_data); |
| 2509 | default: |
| 2510 | return -EOPNOTSUPP; |
| 2511 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2512 | } |
| 2513 | |
| 2514 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) |
| 2515 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2516 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2517 | struct adapter *adapter = pi->adapter; |
| 2518 | int ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2519 | |
| 2520 | if (new_mtu < 81) /* accommodate SACK */ |
| 2521 | return -EINVAL; |
| 2522 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) |
| 2523 | return ret; |
| 2524 | dev->mtu = new_mtu; |
| 2525 | init_port_mtus(adapter); |
| 2526 | if (adapter->params.rev == 0 && offload_running(adapter)) |
| 2527 | t3_load_mtus(adapter, adapter->params.mtus, |
| 2528 | adapter->params.a_wnd, adapter->params.b_wnd, |
| 2529 | adapter->port[0]->mtu); |
| 2530 | return 0; |
| 2531 | } |
| 2532 | |
| 2533 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) |
| 2534 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2535 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2536 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2537 | struct sockaddr *addr = p; |
| 2538 | |
| 2539 | if (!is_valid_ether_addr(addr->sa_data)) |
| 2540 | return -EINVAL; |
| 2541 | |
| 2542 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 2543 | t3_mac_set_address(&pi->mac, LAN_MAC_IDX, dev->dev_addr); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2544 | if (offload_running(adapter)) |
| 2545 | write_smt_entry(adapter, pi->port_id); |
| 2546 | return 0; |
| 2547 | } |
| 2548 | |
| 2549 | /** |
| 2550 | * t3_synchronize_rx - wait for current Rx processing on a port to complete |
| 2551 | * @adap: the adapter |
| 2552 | * @p: the port |
| 2553 | * |
| 2554 | * Ensures that current Rx processing on any of the queues associated with |
| 2555 | * the given port completes before returning. We do this by acquiring and |
| 2556 | * releasing the locks of the response queues associated with the port. |
| 2557 | */ |
| 2558 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) |
| 2559 | { |
| 2560 | int i; |
| 2561 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2562 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
| 2563 | struct sge_rspq *q = &adap->sge.qs[i].rspq; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2564 | |
| 2565 | spin_lock_irq(&q->lock); |
| 2566 | spin_unlock_irq(&q->lock); |
| 2567 | } |
| 2568 | } |
| 2569 | |
| 2570 | static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 2571 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2572 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2573 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2574 | |
| 2575 | pi->vlan_grp = grp; |
| 2576 | if (adapter->params.rev > 0) |
| 2577 | t3_set_vlan_accel(adapter, 1 << pi->port_id, grp != NULL); |
| 2578 | else { |
| 2579 | /* single control for all ports */ |
| 2580 | unsigned int i, have_vlans = 0; |
| 2581 | for_each_port(adapter, i) |
| 2582 | have_vlans |= adap2pinfo(adapter, i)->vlan_grp != NULL; |
| 2583 | |
| 2584 | t3_set_vlan_accel(adapter, 1, have_vlans); |
| 2585 | } |
| 2586 | t3_synchronize_rx(adapter, pi); |
| 2587 | } |
| 2588 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2589 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2590 | static void cxgb_netpoll(struct net_device *dev) |
| 2591 | { |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2592 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2593 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2594 | int qidx; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2595 | |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2596 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
| 2597 | struct sge_qset *qs = &adapter->sge.qs[qidx]; |
| 2598 | void *source; |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 2599 | |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2600 | if (adapter->flags & USING_MSIX) |
| 2601 | source = qs; |
| 2602 | else |
| 2603 | source = adapter; |
| 2604 | |
| 2605 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); |
| 2606 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2607 | } |
| 2608 | #endif |
| 2609 | |
| 2610 | /* |
| 2611 | * Periodic accumulation of MAC statistics. |
| 2612 | */ |
| 2613 | static void mac_stats_update(struct adapter *adapter) |
| 2614 | { |
| 2615 | int i; |
| 2616 | |
| 2617 | for_each_port(adapter, i) { |
| 2618 | struct net_device *dev = adapter->port[i]; |
| 2619 | struct port_info *p = netdev_priv(dev); |
| 2620 | |
| 2621 | if (netif_running(dev)) { |
| 2622 | spin_lock(&adapter->stats_lock); |
| 2623 | t3_mac_update_stats(&p->mac); |
| 2624 | spin_unlock(&adapter->stats_lock); |
| 2625 | } |
| 2626 | } |
| 2627 | } |
| 2628 | |
| 2629 | static void check_link_status(struct adapter *adapter) |
| 2630 | { |
| 2631 | int i; |
| 2632 | |
| 2633 | for_each_port(adapter, i) { |
| 2634 | struct net_device *dev = adapter->port[i]; |
| 2635 | struct port_info *p = netdev_priv(dev); |
Divy Le Ray | c22c814 | 2009-05-28 11:23:08 +0000 | [diff] [blame] | 2636 | int link_fault; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2637 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2638 | spin_lock_irq(&adapter->work_lock); |
Divy Le Ray | c22c814 | 2009-05-28 11:23:08 +0000 | [diff] [blame] | 2639 | link_fault = p->link_fault; |
| 2640 | spin_unlock_irq(&adapter->work_lock); |
| 2641 | |
| 2642 | if (link_fault) { |
Divy Le Ray | 3851c66 | 2009-04-17 12:21:11 +0000 | [diff] [blame] | 2643 | t3_link_fault(adapter, i); |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2644 | continue; |
| 2645 | } |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2646 | |
| 2647 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { |
| 2648 | t3_xgm_intr_disable(adapter, i); |
| 2649 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); |
| 2650 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2651 | t3_link_changed(adapter, i); |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2652 | t3_xgm_intr_enable(adapter, i); |
| 2653 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2654 | } |
| 2655 | } |
| 2656 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2657 | static void check_t3b2_mac(struct adapter *adapter) |
| 2658 | { |
| 2659 | int i; |
| 2660 | |
Divy Le Ray | f2d961c | 2007-04-09 20:10:22 -0700 | [diff] [blame] | 2661 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
| 2662 | return; |
| 2663 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2664 | for_each_port(adapter, i) { |
| 2665 | struct net_device *dev = adapter->port[i]; |
| 2666 | struct port_info *p = netdev_priv(dev); |
| 2667 | int status; |
| 2668 | |
| 2669 | if (!netif_running(dev)) |
| 2670 | continue; |
| 2671 | |
| 2672 | status = 0; |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 2673 | if (netif_running(dev) && netif_carrier_ok(dev)) |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2674 | status = t3b2_mac_watchdog_task(&p->mac); |
| 2675 | if (status == 1) |
| 2676 | p->mac.stats.num_toggled++; |
| 2677 | else if (status == 2) { |
| 2678 | struct cmac *mac = &p->mac; |
| 2679 | |
| 2680 | t3_mac_set_mtu(mac, dev->mtu); |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 2681 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2682 | cxgb_set_rxmode(dev); |
| 2683 | t3_link_start(&p->phy, mac, &p->link_config); |
| 2684 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); |
| 2685 | t3_port_intr_enable(adapter, p->port_id); |
| 2686 | p->mac.stats.num_resets++; |
| 2687 | } |
| 2688 | } |
| 2689 | rtnl_unlock(); |
| 2690 | } |
| 2691 | |
| 2692 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2693 | static void t3_adap_check_task(struct work_struct *work) |
| 2694 | { |
| 2695 | struct adapter *adapter = container_of(work, struct adapter, |
| 2696 | adap_check_task.work); |
| 2697 | const struct adapter_params *p = &adapter->params; |
Divy Le Ray | fc88219 | 2009-03-12 21:14:09 +0000 | [diff] [blame] | 2698 | int port; |
| 2699 | unsigned int v, status, reset; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2700 | |
| 2701 | adapter->check_task_cnt++; |
| 2702 | |
Divy Le Ray | 3851c66 | 2009-04-17 12:21:11 +0000 | [diff] [blame] | 2703 | check_link_status(adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2704 | |
| 2705 | /* Accumulate MAC stats if needed */ |
| 2706 | if (!p->linkpoll_period || |
| 2707 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= |
| 2708 | p->stats_update_period) { |
| 2709 | mac_stats_update(adapter); |
| 2710 | adapter->check_task_cnt = 0; |
| 2711 | } |
| 2712 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2713 | if (p->rev == T3_REV_B2) |
| 2714 | check_t3b2_mac(adapter); |
| 2715 | |
Divy Le Ray | fc88219 | 2009-03-12 21:14:09 +0000 | [diff] [blame] | 2716 | /* |
| 2717 | * Scan the XGMAC's to check for various conditions which we want to |
| 2718 | * monitor in a periodic polling manner rather than via an interrupt |
| 2719 | * condition. This is used for conditions which would otherwise flood |
| 2720 | * the system with interrupts and we only really need to know that the |
| 2721 | * conditions are "happening" ... For each condition we count the |
| 2722 | * detection of the condition and reset it for the next polling loop. |
| 2723 | */ |
| 2724 | for_each_port(adapter, port) { |
| 2725 | struct cmac *mac = &adap2pinfo(adapter, port)->mac; |
| 2726 | u32 cause; |
| 2727 | |
| 2728 | cause = t3_read_reg(adapter, A_XGM_INT_CAUSE + mac->offset); |
| 2729 | reset = 0; |
| 2730 | if (cause & F_RXFIFO_OVERFLOW) { |
| 2731 | mac->stats.rx_fifo_ovfl++; |
| 2732 | reset |= F_RXFIFO_OVERFLOW; |
| 2733 | } |
| 2734 | |
| 2735 | t3_write_reg(adapter, A_XGM_INT_CAUSE + mac->offset, reset); |
| 2736 | } |
| 2737 | |
| 2738 | /* |
| 2739 | * We do the same as above for FL_EMPTY interrupts. |
| 2740 | */ |
| 2741 | status = t3_read_reg(adapter, A_SG_INT_CAUSE); |
| 2742 | reset = 0; |
| 2743 | |
| 2744 | if (status & F_FLEMPTY) { |
| 2745 | struct sge_qset *qs = &adapter->sge.qs[0]; |
| 2746 | int i = 0; |
| 2747 | |
| 2748 | reset |= F_FLEMPTY; |
| 2749 | |
| 2750 | v = (t3_read_reg(adapter, A_SG_RSPQ_FL_STATUS) >> S_FL0EMPTY) & |
| 2751 | 0xffff; |
| 2752 | |
| 2753 | while (v) { |
| 2754 | qs->fl[i].empty += (v & 1); |
| 2755 | if (i) |
| 2756 | qs++; |
| 2757 | i ^= 1; |
| 2758 | v >>= 1; |
| 2759 | } |
| 2760 | } |
| 2761 | |
| 2762 | t3_write_reg(adapter, A_SG_INT_CAUSE, reset); |
| 2763 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2764 | /* Schedule the next check update if any port is active. */ |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2765 | spin_lock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2766 | if (adapter->open_device_map & PORT_MASK) |
| 2767 | schedule_chk_task(adapter); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2768 | spin_unlock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2769 | } |
| 2770 | |
Steve Wise | e998f24 | 2010-01-27 17:03:34 +0000 | [diff] [blame^] | 2771 | static void db_full_task(struct work_struct *work) |
| 2772 | { |
| 2773 | struct adapter *adapter = container_of(work, struct adapter, |
| 2774 | db_full_task); |
| 2775 | |
| 2776 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0); |
| 2777 | } |
| 2778 | |
| 2779 | static void db_empty_task(struct work_struct *work) |
| 2780 | { |
| 2781 | struct adapter *adapter = container_of(work, struct adapter, |
| 2782 | db_empty_task); |
| 2783 | |
| 2784 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0); |
| 2785 | } |
| 2786 | |
| 2787 | static void db_drop_task(struct work_struct *work) |
| 2788 | { |
| 2789 | struct adapter *adapter = container_of(work, struct adapter, |
| 2790 | db_drop_task); |
| 2791 | unsigned long delay = 1000; |
| 2792 | unsigned short r; |
| 2793 | |
| 2794 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0); |
| 2795 | |
| 2796 | /* |
| 2797 | * Sleep a while before ringing the driver qset dbs. |
| 2798 | * The delay is between 1000-2023 usecs. |
| 2799 | */ |
| 2800 | get_random_bytes(&r, 2); |
| 2801 | delay += r & 1023; |
| 2802 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 2803 | schedule_timeout(usecs_to_jiffies(delay)); |
| 2804 | ring_dbs(adapter); |
| 2805 | } |
| 2806 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2807 | /* |
| 2808 | * Processes external (PHY) interrupts in process context. |
| 2809 | */ |
| 2810 | static void ext_intr_task(struct work_struct *work) |
| 2811 | { |
| 2812 | struct adapter *adapter = container_of(work, struct adapter, |
| 2813 | ext_intr_handler_task); |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2814 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2815 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2816 | /* Disable link fault interrupts */ |
| 2817 | for_each_port(adapter, i) { |
| 2818 | struct net_device *dev = adapter->port[i]; |
| 2819 | struct port_info *p = netdev_priv(dev); |
| 2820 | |
| 2821 | t3_xgm_intr_disable(adapter, i); |
| 2822 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); |
| 2823 | } |
| 2824 | |
| 2825 | /* Re-enable link fault interrupts */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2826 | t3_phy_intr_handler(adapter); |
| 2827 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2828 | for_each_port(adapter, i) |
| 2829 | t3_xgm_intr_enable(adapter, i); |
| 2830 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2831 | /* Now reenable external interrupts */ |
| 2832 | spin_lock_irq(&adapter->work_lock); |
| 2833 | if (adapter->slow_intr_mask) { |
| 2834 | adapter->slow_intr_mask |= F_T3DBG; |
| 2835 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); |
| 2836 | t3_write_reg(adapter, A_PL_INT_ENABLE0, |
| 2837 | adapter->slow_intr_mask); |
| 2838 | } |
| 2839 | spin_unlock_irq(&adapter->work_lock); |
| 2840 | } |
| 2841 | |
| 2842 | /* |
| 2843 | * Interrupt-context handler for external (PHY) interrupts. |
| 2844 | */ |
| 2845 | void t3_os_ext_intr_handler(struct adapter *adapter) |
| 2846 | { |
| 2847 | /* |
| 2848 | * Schedule a task to handle external interrupts as they may be slow |
| 2849 | * and we use a mutex to protect MDIO registers. We disable PHY |
| 2850 | * interrupts in the meantime and let the task reenable them when |
| 2851 | * it's done. |
| 2852 | */ |
| 2853 | spin_lock(&adapter->work_lock); |
| 2854 | if (adapter->slow_intr_mask) { |
| 2855 | adapter->slow_intr_mask &= ~F_T3DBG; |
| 2856 | t3_write_reg(adapter, A_PL_INT_ENABLE0, |
| 2857 | adapter->slow_intr_mask); |
| 2858 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); |
| 2859 | } |
| 2860 | spin_unlock(&adapter->work_lock); |
| 2861 | } |
| 2862 | |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2863 | void t3_os_link_fault_handler(struct adapter *adapter, int port_id) |
| 2864 | { |
| 2865 | struct net_device *netdev = adapter->port[port_id]; |
| 2866 | struct port_info *pi = netdev_priv(netdev); |
| 2867 | |
| 2868 | spin_lock(&adapter->work_lock); |
| 2869 | pi->link_fault = 1; |
Divy Le Ray | bf79209 | 2009-03-12 21:14:19 +0000 | [diff] [blame] | 2870 | spin_unlock(&adapter->work_lock); |
| 2871 | } |
| 2872 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2873 | static int t3_adapter_error(struct adapter *adapter, int reset) |
| 2874 | { |
| 2875 | int i, ret = 0; |
| 2876 | |
Divy Le Ray | cb0bc20 | 2009-01-26 22:21:59 -0800 | [diff] [blame] | 2877 | if (is_offload(adapter) && |
| 2878 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { |
Steve Wise | fa0d4c1 | 2009-09-05 20:22:38 -0700 | [diff] [blame] | 2879 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); |
Divy Le Ray | cb0bc20 | 2009-01-26 22:21:59 -0800 | [diff] [blame] | 2880 | offload_close(&adapter->tdev); |
| 2881 | } |
| 2882 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2883 | /* Stop all ports */ |
| 2884 | for_each_port(adapter, i) { |
| 2885 | struct net_device *netdev = adapter->port[i]; |
| 2886 | |
| 2887 | if (netif_running(netdev)) |
| 2888 | cxgb_close(netdev); |
| 2889 | } |
| 2890 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2891 | /* Stop SGE timers */ |
| 2892 | t3_stop_sge_timers(adapter); |
| 2893 | |
| 2894 | adapter->flags &= ~FULL_INIT_DONE; |
| 2895 | |
| 2896 | if (reset) |
| 2897 | ret = t3_reset_adapter(adapter); |
| 2898 | |
| 2899 | pci_disable_device(adapter->pdev); |
| 2900 | |
| 2901 | return ret; |
| 2902 | } |
| 2903 | |
| 2904 | static int t3_reenable_adapter(struct adapter *adapter) |
| 2905 | { |
| 2906 | if (pci_enable_device(adapter->pdev)) { |
| 2907 | dev_err(&adapter->pdev->dev, |
| 2908 | "Cannot re-enable PCI device after reset.\n"); |
| 2909 | goto err; |
| 2910 | } |
| 2911 | pci_set_master(adapter->pdev); |
| 2912 | pci_restore_state(adapter->pdev); |
Breno Leitao | ccdddf5 | 2009-12-10 09:03:37 +0000 | [diff] [blame] | 2913 | pci_save_state(adapter->pdev); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2914 | |
| 2915 | /* Free sge resources */ |
| 2916 | t3_free_sge_resources(adapter); |
| 2917 | |
| 2918 | if (t3_replay_prep_adapter(adapter)) |
| 2919 | goto err; |
| 2920 | |
| 2921 | return 0; |
| 2922 | err: |
| 2923 | return -1; |
| 2924 | } |
| 2925 | |
| 2926 | static void t3_resume_ports(struct adapter *adapter) |
| 2927 | { |
| 2928 | int i; |
| 2929 | |
| 2930 | /* Restart the ports */ |
| 2931 | for_each_port(adapter, i) { |
| 2932 | struct net_device *netdev = adapter->port[i]; |
| 2933 | |
| 2934 | if (netif_running(netdev)) { |
| 2935 | if (cxgb_open(netdev)) { |
| 2936 | dev_err(&adapter->pdev->dev, |
| 2937 | "can't bring device back up" |
| 2938 | " after reset\n"); |
| 2939 | continue; |
| 2940 | } |
| 2941 | } |
| 2942 | } |
Divy Le Ray | cb0bc20 | 2009-01-26 22:21:59 -0800 | [diff] [blame] | 2943 | |
| 2944 | if (is_offload(adapter) && !ofld_disable) |
Steve Wise | fa0d4c1 | 2009-09-05 20:22:38 -0700 | [diff] [blame] | 2945 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2946 | } |
| 2947 | |
| 2948 | /* |
| 2949 | * processes a fatal error. |
| 2950 | * Bring the ports down, reset the chip, bring the ports back up. |
| 2951 | */ |
| 2952 | static void fatal_error_task(struct work_struct *work) |
| 2953 | { |
| 2954 | struct adapter *adapter = container_of(work, struct adapter, |
| 2955 | fatal_error_handler_task); |
| 2956 | int err = 0; |
| 2957 | |
| 2958 | rtnl_lock(); |
| 2959 | err = t3_adapter_error(adapter, 1); |
| 2960 | if (!err) |
| 2961 | err = t3_reenable_adapter(adapter); |
| 2962 | if (!err) |
| 2963 | t3_resume_ports(adapter); |
| 2964 | |
| 2965 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); |
| 2966 | rtnl_unlock(); |
| 2967 | } |
| 2968 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2969 | void t3_fatal_err(struct adapter *adapter) |
| 2970 | { |
| 2971 | unsigned int fw_status[4]; |
| 2972 | |
| 2973 | if (adapter->flags & FULL_INIT_DONE) { |
| 2974 | t3_sge_stop(adapter); |
Divy Le Ray | c64c2ea | 2007-08-21 20:49:31 -0700 | [diff] [blame] | 2975 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
| 2976 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); |
| 2977 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); |
| 2978 | t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2979 | |
| 2980 | spin_lock(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2981 | t3_intr_disable(adapter); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2982 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
| 2983 | spin_unlock(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2984 | } |
| 2985 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); |
| 2986 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) |
| 2987 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", |
| 2988 | fw_status[0], fw_status[1], |
| 2989 | fw_status[2], fw_status[3]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2990 | } |
| 2991 | |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2992 | /** |
| 2993 | * t3_io_error_detected - called when PCI error is detected |
| 2994 | * @pdev: Pointer to PCI device |
| 2995 | * @state: The current pci connection state |
| 2996 | * |
| 2997 | * This function is called after a PCI bus error affecting |
| 2998 | * this device has been detected. |
| 2999 | */ |
| 3000 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, |
| 3001 | pci_channel_state_t state) |
| 3002 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 3003 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 3004 | int ret; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3005 | |
Divy Le Ray | e8d1937 | 2009-04-17 12:21:27 +0000 | [diff] [blame] | 3006 | if (state == pci_channel_io_perm_failure) |
| 3007 | return PCI_ERS_RESULT_DISCONNECT; |
| 3008 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 3009 | ret = t3_adapter_error(adapter, 0); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3010 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 3011 | /* Request a slot reset. */ |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3012 | return PCI_ERS_RESULT_NEED_RESET; |
| 3013 | } |
| 3014 | |
| 3015 | /** |
| 3016 | * t3_io_slot_reset - called after the pci bus has been reset. |
| 3017 | * @pdev: Pointer to PCI device |
| 3018 | * |
| 3019 | * Restart the card from scratch, as if from a cold-boot. |
| 3020 | */ |
| 3021 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) |
| 3022 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 3023 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3024 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 3025 | if (!t3_reenable_adapter(adapter)) |
| 3026 | return PCI_ERS_RESULT_RECOVERED; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3027 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 3028 | return PCI_ERS_RESULT_DISCONNECT; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3029 | } |
| 3030 | |
| 3031 | /** |
| 3032 | * t3_io_resume - called when traffic can start flowing again. |
| 3033 | * @pdev: Pointer to PCI device |
| 3034 | * |
| 3035 | * This callback is called when the error recovery driver tells us that |
| 3036 | * its OK to resume normal operation. |
| 3037 | */ |
| 3038 | static void t3_io_resume(struct pci_dev *pdev) |
| 3039 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 3040 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3041 | |
Divy Le Ray | 68f40c1 | 2009-03-26 16:39:19 +0000 | [diff] [blame] | 3042 | CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", |
| 3043 | t3_read_reg(adapter, A_PCIE_PEX_ERR)); |
| 3044 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 3045 | t3_resume_ports(adapter); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3046 | } |
| 3047 | |
| 3048 | static struct pci_error_handlers t3_err_handler = { |
| 3049 | .error_detected = t3_io_error_detected, |
| 3050 | .slot_reset = t3_io_slot_reset, |
| 3051 | .resume = t3_io_resume, |
| 3052 | }; |
| 3053 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 3054 | /* |
| 3055 | * Set the number of qsets based on the number of CPUs and the number of ports, |
| 3056 | * not to exceed the number of available qsets, assuming there are enough qsets |
| 3057 | * per port in HW. |
| 3058 | */ |
| 3059 | static void set_nqsets(struct adapter *adap) |
| 3060 | { |
| 3061 | int i, j = 0; |
| 3062 | int num_cpus = num_online_cpus(); |
| 3063 | int hwports = adap->params.nports; |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3064 | int nqsets = adap->msix_nvectors - 1; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 3065 | |
Divy Le Ray | f9ee388 | 2008-11-09 00:55:33 -0800 | [diff] [blame] | 3066 | if (adap->params.rev > 0 && adap->flags & USING_MSIX) { |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 3067 | if (hwports == 2 && |
| 3068 | (hwports * nqsets > SGE_QSETS || |
| 3069 | num_cpus >= nqsets / hwports)) |
| 3070 | nqsets /= hwports; |
| 3071 | if (nqsets > num_cpus) |
| 3072 | nqsets = num_cpus; |
| 3073 | if (nqsets < 1 || hwports == 4) |
| 3074 | nqsets = 1; |
| 3075 | } else |
| 3076 | nqsets = 1; |
| 3077 | |
| 3078 | for_each_port(adap, i) { |
| 3079 | struct port_info *pi = adap2pinfo(adap, i); |
| 3080 | |
| 3081 | pi->first_qset = j; |
| 3082 | pi->nqsets = nqsets; |
| 3083 | j = pi->first_qset + nqsets; |
| 3084 | |
| 3085 | dev_info(&adap->pdev->dev, |
| 3086 | "Port %d using %d queue sets.\n", i, nqsets); |
| 3087 | } |
| 3088 | } |
| 3089 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3090 | static int __devinit cxgb_enable_msix(struct adapter *adap) |
| 3091 | { |
| 3092 | struct msix_entry entries[SGE_QSETS + 1]; |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3093 | int vectors; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3094 | int i, err; |
| 3095 | |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3096 | vectors = ARRAY_SIZE(entries); |
| 3097 | for (i = 0; i < vectors; ++i) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3098 | entries[i].entry = i; |
| 3099 | |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3100 | while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0) |
| 3101 | vectors = err; |
| 3102 | |
Divy Le Ray | 2c2f409 | 2009-04-17 12:21:22 +0000 | [diff] [blame] | 3103 | if (err < 0) |
| 3104 | pci_disable_msix(adap->pdev); |
| 3105 | |
| 3106 | if (!err && vectors < (adap->params.nports + 1)) { |
| 3107 | pci_disable_msix(adap->pdev); |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3108 | err = -1; |
Divy Le Ray | 2c2f409 | 2009-04-17 12:21:22 +0000 | [diff] [blame] | 3109 | } |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3110 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3111 | if (!err) { |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3112 | for (i = 0; i < vectors; ++i) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3113 | adap->msix_info[i].vec = entries[i].vector; |
Divy Le Ray | 5cda936 | 2009-01-18 21:29:40 -0800 | [diff] [blame] | 3114 | adap->msix_nvectors = vectors; |
| 3115 | } |
| 3116 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3117 | return err; |
| 3118 | } |
| 3119 | |
| 3120 | static void __devinit print_port_info(struct adapter *adap, |
| 3121 | const struct adapter_info *ai) |
| 3122 | { |
| 3123 | static const char *pci_variant[] = { |
| 3124 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" |
| 3125 | }; |
| 3126 | |
| 3127 | int i; |
| 3128 | char buf[80]; |
| 3129 | |
| 3130 | if (is_pcie(adap)) |
| 3131 | snprintf(buf, sizeof(buf), "%s x%d", |
| 3132 | pci_variant[adap->params.pci.variant], |
| 3133 | adap->params.pci.width); |
| 3134 | else |
| 3135 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", |
| 3136 | pci_variant[adap->params.pci.variant], |
| 3137 | adap->params.pci.speed, adap->params.pci.width); |
| 3138 | |
| 3139 | for_each_port(adap, i) { |
| 3140 | struct net_device *dev = adap->port[i]; |
| 3141 | const struct port_info *pi = netdev_priv(dev); |
| 3142 | |
| 3143 | if (!test_bit(i, &adap->registered_device_map)) |
| 3144 | continue; |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 3145 | printk(KERN_INFO "%s: %s %s %sNIC (rev %d) %s%s\n", |
Divy Le Ray | 0449798 | 2008-10-08 17:38:29 -0700 | [diff] [blame] | 3146 | dev->name, ai->desc, pi->phy.desc, |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 3147 | is_offload(adap) ? "R" : "", adap->params.rev, buf, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3148 | (adap->flags & USING_MSIX) ? " MSI-X" : |
| 3149 | (adap->flags & USING_MSI) ? " MSI" : ""); |
| 3150 | if (adap->name == dev->name && adap->params.vpd.mclk) |
Divy Le Ray | 167cdf5 | 2007-08-21 20:49:36 -0700 | [diff] [blame] | 3151 | printk(KERN_INFO |
| 3152 | "%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3153 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
| 3154 | t3_mc7_size(&adap->pmtx) >> 20, |
Divy Le Ray | 167cdf5 | 2007-08-21 20:49:36 -0700 | [diff] [blame] | 3155 | t3_mc7_size(&adap->pmrx) >> 20, |
| 3156 | adap->params.vpd.sn); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3157 | } |
| 3158 | } |
| 3159 | |
Stephen Hemminger | dd75269 | 2008-11-19 22:15:39 -0800 | [diff] [blame] | 3160 | static const struct net_device_ops cxgb_netdev_ops = { |
| 3161 | .ndo_open = cxgb_open, |
| 3162 | .ndo_stop = cxgb_close, |
Divy Le Ray | 43a944f | 2008-11-26 15:35:26 -0800 | [diff] [blame] | 3163 | .ndo_start_xmit = t3_eth_xmit, |
Stephen Hemminger | dd75269 | 2008-11-19 22:15:39 -0800 | [diff] [blame] | 3164 | .ndo_get_stats = cxgb_get_stats, |
| 3165 | .ndo_validate_addr = eth_validate_addr, |
| 3166 | .ndo_set_multicast_list = cxgb_set_rxmode, |
| 3167 | .ndo_do_ioctl = cxgb_ioctl, |
| 3168 | .ndo_change_mtu = cxgb_change_mtu, |
| 3169 | .ndo_set_mac_address = cxgb_set_mac_addr, |
| 3170 | .ndo_vlan_rx_register = vlan_rx_register, |
| 3171 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3172 | .ndo_poll_controller = cxgb_netpoll, |
| 3173 | #endif |
| 3174 | }; |
| 3175 | |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 3176 | static void __devinit cxgb3_init_iscsi_mac(struct net_device *dev) |
| 3177 | { |
| 3178 | struct port_info *pi = netdev_priv(dev); |
| 3179 | |
| 3180 | memcpy(pi->iscsic.mac_addr, dev->dev_addr, ETH_ALEN); |
| 3181 | pi->iscsic.mac_addr[3] |= 0x80; |
| 3182 | } |
| 3183 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3184 | static int __devinit init_one(struct pci_dev *pdev, |
| 3185 | const struct pci_device_id *ent) |
| 3186 | { |
| 3187 | static int version_printed; |
| 3188 | |
| 3189 | int i, err, pci_using_dac = 0; |
Divy Le Ray | 68f40c1 | 2009-03-26 16:39:19 +0000 | [diff] [blame] | 3190 | resource_size_t mmio_start, mmio_len; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3191 | const struct adapter_info *ai; |
| 3192 | struct adapter *adapter = NULL; |
| 3193 | struct port_info *pi; |
| 3194 | |
| 3195 | if (!version_printed) { |
| 3196 | printk(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); |
| 3197 | ++version_printed; |
| 3198 | } |
| 3199 | |
| 3200 | if (!cxgb3_wq) { |
| 3201 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); |
| 3202 | if (!cxgb3_wq) { |
| 3203 | printk(KERN_ERR DRV_NAME |
| 3204 | ": cannot initialize work queue\n"); |
| 3205 | return -ENOMEM; |
| 3206 | } |
| 3207 | } |
| 3208 | |
| 3209 | err = pci_request_regions(pdev, DRV_NAME); |
| 3210 | if (err) { |
| 3211 | /* Just info, some other driver may have claimed the device. */ |
| 3212 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); |
| 3213 | return err; |
| 3214 | } |
| 3215 | |
| 3216 | err = pci_enable_device(pdev); |
| 3217 | if (err) { |
| 3218 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
| 3219 | goto out_release_regions; |
| 3220 | } |
| 3221 | |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 3222 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3223 | pci_using_dac = 1; |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 3224 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3225 | if (err) { |
| 3226 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " |
| 3227 | "coherent allocations\n"); |
| 3228 | goto out_disable_device; |
| 3229 | } |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 3230 | } else if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3231 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
| 3232 | goto out_disable_device; |
| 3233 | } |
| 3234 | |
| 3235 | pci_set_master(pdev); |
Divy Le Ray | 204e2f9 | 2008-05-06 19:26:01 -0700 | [diff] [blame] | 3236 | pci_save_state(pdev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3237 | |
| 3238 | mmio_start = pci_resource_start(pdev, 0); |
| 3239 | mmio_len = pci_resource_len(pdev, 0); |
| 3240 | ai = t3_get_adapter_info(ent->driver_data); |
| 3241 | |
| 3242 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); |
| 3243 | if (!adapter) { |
| 3244 | err = -ENOMEM; |
| 3245 | goto out_disable_device; |
| 3246 | } |
| 3247 | |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 3248 | adapter->nofail_skb = |
| 3249 | alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_KERNEL); |
| 3250 | if (!adapter->nofail_skb) { |
| 3251 | dev_err(&pdev->dev, "cannot allocate nofail buffer\n"); |
| 3252 | err = -ENOMEM; |
| 3253 | goto out_free_adapter; |
| 3254 | } |
| 3255 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3256 | adapter->regs = ioremap_nocache(mmio_start, mmio_len); |
| 3257 | if (!adapter->regs) { |
| 3258 | dev_err(&pdev->dev, "cannot map device registers\n"); |
| 3259 | err = -ENOMEM; |
| 3260 | goto out_free_adapter; |
| 3261 | } |
| 3262 | |
| 3263 | adapter->pdev = pdev; |
| 3264 | adapter->name = pci_name(pdev); |
| 3265 | adapter->msg_enable = dflt_msg_enable; |
| 3266 | adapter->mmio_len = mmio_len; |
| 3267 | |
| 3268 | mutex_init(&adapter->mdio_lock); |
| 3269 | spin_lock_init(&adapter->work_lock); |
| 3270 | spin_lock_init(&adapter->stats_lock); |
| 3271 | |
| 3272 | INIT_LIST_HEAD(&adapter->adapter_list); |
| 3273 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 3274 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
Steve Wise | e998f24 | 2010-01-27 17:03:34 +0000 | [diff] [blame^] | 3275 | |
| 3276 | INIT_WORK(&adapter->db_full_task, db_full_task); |
| 3277 | INIT_WORK(&adapter->db_empty_task, db_empty_task); |
| 3278 | INIT_WORK(&adapter->db_drop_task, db_drop_task); |
| 3279 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3280 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
| 3281 | |
Divy Le Ray | 952cdf3 | 2009-03-26 16:39:24 +0000 | [diff] [blame] | 3282 | for (i = 0; i < ai->nports0 + ai->nports1; ++i) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3283 | struct net_device *netdev; |
| 3284 | |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 3285 | netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3286 | if (!netdev) { |
| 3287 | err = -ENOMEM; |
| 3288 | goto out_free_dev; |
| 3289 | } |
| 3290 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3291 | SET_NETDEV_DEV(netdev, &pdev->dev); |
| 3292 | |
| 3293 | adapter->port[i] = netdev; |
| 3294 | pi = netdev_priv(netdev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 3295 | pi->adapter = adapter; |
Roland Dreier | 47fd23f | 2009-01-11 00:19:36 -0800 | [diff] [blame] | 3296 | pi->rx_offload = T3_RX_CSUM | T3_LRO; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3297 | pi->port_id = i; |
| 3298 | netif_carrier_off(netdev); |
Divy Le Ray | 82ad332 | 2008-12-16 01:09:39 -0800 | [diff] [blame] | 3299 | netif_tx_stop_all_queues(netdev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3300 | netdev->irq = pdev->irq; |
| 3301 | netdev->mem_start = mmio_start; |
| 3302 | netdev->mem_end = mmio_start + mmio_len - 1; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3303 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; |
Herbert Xu | 7be2df4 | 2009-01-21 14:39:13 -0800 | [diff] [blame] | 3304 | netdev->features |= NETIF_F_GRO; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3305 | if (pci_using_dac) |
| 3306 | netdev->features |= NETIF_F_HIGHDMA; |
| 3307 | |
| 3308 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
Stephen Hemminger | dd75269 | 2008-11-19 22:15:39 -0800 | [diff] [blame] | 3309 | netdev->netdev_ops = &cxgb_netdev_ops; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3310 | SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops); |
| 3311 | } |
| 3312 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 3313 | pci_set_drvdata(pdev, adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3314 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
| 3315 | err = -ENODEV; |
| 3316 | goto out_free_dev; |
| 3317 | } |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 3318 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3319 | /* |
| 3320 | * The card is now ready to go. If any errors occur during device |
| 3321 | * registration we do not fail the whole card but rather proceed only |
| 3322 | * with the ports we manage to register successfully. However we must |
| 3323 | * register at least one net device. |
| 3324 | */ |
| 3325 | for_each_port(adapter, i) { |
| 3326 | err = register_netdev(adapter->port[i]); |
| 3327 | if (err) |
| 3328 | dev_warn(&pdev->dev, |
| 3329 | "cannot register net device %s, skipping\n", |
| 3330 | adapter->port[i]->name); |
| 3331 | else { |
| 3332 | /* |
| 3333 | * Change the name we use for messages to the name of |
| 3334 | * the first successfully registered interface. |
| 3335 | */ |
| 3336 | if (!adapter->registered_device_map) |
| 3337 | adapter->name = adapter->port[i]->name; |
| 3338 | |
| 3339 | __set_bit(i, &adapter->registered_device_map); |
| 3340 | } |
| 3341 | } |
| 3342 | if (!adapter->registered_device_map) { |
| 3343 | dev_err(&pdev->dev, "could not register any net devices\n"); |
| 3344 | goto out_free_dev; |
| 3345 | } |
| 3346 | |
Karen Xie | f14d42f | 2009-10-08 09:11:05 +0000 | [diff] [blame] | 3347 | for_each_port(adapter, i) |
| 3348 | cxgb3_init_iscsi_mac(adapter->port[i]); |
| 3349 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3350 | /* Driver's ready. Reflect it on LEDs */ |
| 3351 | t3_led_ready(adapter); |
| 3352 | |
| 3353 | if (is_offload(adapter)) { |
| 3354 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); |
| 3355 | cxgb3_adapter_ofld(adapter); |
| 3356 | } |
| 3357 | |
| 3358 | /* See what interrupts we'll be using */ |
| 3359 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) |
| 3360 | adapter->flags |= USING_MSIX; |
| 3361 | else if (msi > 0 && pci_enable_msi(pdev) == 0) |
| 3362 | adapter->flags |= USING_MSI; |
| 3363 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 3364 | set_nqsets(adapter); |
| 3365 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 3366 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3367 | &cxgb3_attr_group); |
| 3368 | |
| 3369 | print_port_info(adapter, ai); |
| 3370 | return 0; |
| 3371 | |
| 3372 | out_free_dev: |
| 3373 | iounmap(adapter->regs); |
Divy Le Ray | 952cdf3 | 2009-03-26 16:39:24 +0000 | [diff] [blame] | 3374 | for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3375 | if (adapter->port[i]) |
| 3376 | free_netdev(adapter->port[i]); |
| 3377 | |
| 3378 | out_free_adapter: |
| 3379 | kfree(adapter); |
| 3380 | |
| 3381 | out_disable_device: |
| 3382 | pci_disable_device(pdev); |
| 3383 | out_release_regions: |
| 3384 | pci_release_regions(pdev); |
| 3385 | pci_set_drvdata(pdev, NULL); |
| 3386 | return err; |
| 3387 | } |
| 3388 | |
| 3389 | static void __devexit remove_one(struct pci_dev *pdev) |
| 3390 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 3391 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3392 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 3393 | if (adapter) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3394 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3395 | |
| 3396 | t3_sge_stop(adapter); |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 3397 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3398 | &cxgb3_attr_group); |
| 3399 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3400 | if (is_offload(adapter)) { |
| 3401 | cxgb3_adapter_unofld(adapter); |
| 3402 | if (test_bit(OFFLOAD_DEVMAP_BIT, |
| 3403 | &adapter->open_device_map)) |
| 3404 | offload_close(&adapter->tdev); |
| 3405 | } |
| 3406 | |
Divy Le Ray | 67d92ab | 2007-11-16 11:21:50 -0800 | [diff] [blame] | 3407 | for_each_port(adapter, i) |
| 3408 | if (test_bit(i, &adapter->registered_device_map)) |
| 3409 | unregister_netdev(adapter->port[i]); |
| 3410 | |
Divy Le Ray | 0ca41c0 | 2008-09-25 14:05:28 +0000 | [diff] [blame] | 3411 | t3_stop_sge_timers(adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3412 | t3_free_sge_resources(adapter); |
| 3413 | cxgb_disable_msi(adapter); |
| 3414 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3415 | for_each_port(adapter, i) |
| 3416 | if (adapter->port[i]) |
| 3417 | free_netdev(adapter->port[i]); |
| 3418 | |
| 3419 | iounmap(adapter->regs); |
Divy Le Ray | 74b793e | 2009-06-09 23:25:21 +0000 | [diff] [blame] | 3420 | if (adapter->nofail_skb) |
| 3421 | kfree_skb(adapter->nofail_skb); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3422 | kfree(adapter); |
| 3423 | pci_release_regions(pdev); |
| 3424 | pci_disable_device(pdev); |
| 3425 | pci_set_drvdata(pdev, NULL); |
| 3426 | } |
| 3427 | } |
| 3428 | |
| 3429 | static struct pci_driver driver = { |
| 3430 | .name = DRV_NAME, |
| 3431 | .id_table = cxgb3_pci_tbl, |
| 3432 | .probe = init_one, |
| 3433 | .remove = __devexit_p(remove_one), |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3434 | .err_handler = &t3_err_handler, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3435 | }; |
| 3436 | |
| 3437 | static int __init cxgb3_init_module(void) |
| 3438 | { |
| 3439 | int ret; |
| 3440 | |
| 3441 | cxgb3_offload_init(); |
| 3442 | |
| 3443 | ret = pci_register_driver(&driver); |
| 3444 | return ret; |
| 3445 | } |
| 3446 | |
| 3447 | static void __exit cxgb3_cleanup_module(void) |
| 3448 | { |
| 3449 | pci_unregister_driver(&driver); |
| 3450 | if (cxgb3_wq) |
| 3451 | destroy_workqueue(cxgb3_wq); |
| 3452 | } |
| 3453 | |
| 3454 | module_init(cxgb3_init_module); |
| 3455 | module_exit(cxgb3_cleanup_module); |