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> |
| 40 | #include <linux/mii.h> |
| 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> |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 47 | #include <asm/uaccess.h> |
| 48 | |
| 49 | #include "common.h" |
| 50 | #include "cxgb3_ioctl.h" |
| 51 | #include "regs.h" |
| 52 | #include "cxgb3_offload.h" |
| 53 | #include "version.h" |
| 54 | |
| 55 | #include "cxgb3_ctl_defs.h" |
| 56 | #include "t3_cpl.h" |
| 57 | #include "firmware_exports.h" |
| 58 | |
| 59 | enum { |
| 60 | MAX_TXQ_ENTRIES = 16384, |
| 61 | MAX_CTRL_TXQ_ENTRIES = 1024, |
| 62 | MAX_RSPQ_ENTRIES = 16384, |
| 63 | MAX_RX_BUFFERS = 16384, |
| 64 | MAX_RX_JUMBO_BUFFERS = 16384, |
| 65 | MIN_TXQ_ENTRIES = 4, |
| 66 | MIN_CTRL_TXQ_ENTRIES = 4, |
| 67 | MIN_RSPQ_ENTRIES = 32, |
| 68 | MIN_FL_ENTRIES = 32 |
| 69 | }; |
| 70 | |
| 71 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) |
| 72 | |
| 73 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ |
| 74 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ |
| 75 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) |
| 76 | |
| 77 | #define EEPROM_MAGIC 0x38E2F10C |
| 78 | |
Divy Le Ray | 678771d | 2007-11-16 14:26:44 -0800 | [diff] [blame] | 79 | #define CH_DEVICE(devid, idx) \ |
| 80 | { 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] | 81 | |
| 82 | static const struct pci_device_id cxgb3_pci_tbl[] = { |
Divy Le Ray | 678771d | 2007-11-16 14:26:44 -0800 | [diff] [blame] | 83 | CH_DEVICE(0x20, 0), /* PE9000 */ |
| 84 | CH_DEVICE(0x21, 1), /* T302E */ |
| 85 | CH_DEVICE(0x22, 2), /* T310E */ |
| 86 | CH_DEVICE(0x23, 3), /* T320X */ |
| 87 | CH_DEVICE(0x24, 1), /* T302X */ |
| 88 | CH_DEVICE(0x25, 3), /* T320E */ |
| 89 | CH_DEVICE(0x26, 2), /* T310X */ |
| 90 | CH_DEVICE(0x30, 2), /* T3B10 */ |
| 91 | CH_DEVICE(0x31, 3), /* T3B20 */ |
| 92 | CH_DEVICE(0x32, 1), /* T3B02 */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 93 | {0,} |
| 94 | }; |
| 95 | |
| 96 | MODULE_DESCRIPTION(DRV_DESC); |
| 97 | MODULE_AUTHOR("Chelsio Communications"); |
Divy Le Ray | 1d68e93 | 2007-01-30 19:44:35 -0800 | [diff] [blame] | 98 | MODULE_LICENSE("Dual BSD/GPL"); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 99 | MODULE_VERSION(DRV_VERSION); |
| 100 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); |
| 101 | |
| 102 | static int dflt_msg_enable = DFLT_MSG_ENABLE; |
| 103 | |
| 104 | module_param(dflt_msg_enable, int, 0644); |
| 105 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); |
| 106 | |
| 107 | /* |
| 108 | * The driver uses the best interrupt scheme available on a platform in the |
| 109 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which |
| 110 | * of these schemes the driver may consider as follows: |
| 111 | * |
| 112 | * msi = 2: choose from among all three options |
| 113 | * msi = 1: only consider MSI and pin interrupts |
| 114 | * msi = 0: force pin interrupts |
| 115 | */ |
| 116 | static int msi = 2; |
| 117 | |
| 118 | module_param(msi, int, 0644); |
| 119 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); |
| 120 | |
| 121 | /* |
| 122 | * The driver enables offload as a default. |
| 123 | * To disable it, use ofld_disable = 1. |
| 124 | */ |
| 125 | |
| 126 | static int ofld_disable = 0; |
| 127 | |
| 128 | module_param(ofld_disable, int, 0644); |
| 129 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); |
| 130 | |
| 131 | /* |
| 132 | * We have work elements that we need to cancel when an interface is taken |
| 133 | * down. Normally the work elements would be executed by keventd but that |
| 134 | * can deadlock because of linkwatch. If our close method takes the rtnl |
| 135 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch |
| 136 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting |
| 137 | * for our work to complete. Get our own work queue to solve this. |
| 138 | */ |
| 139 | static struct workqueue_struct *cxgb3_wq; |
| 140 | |
| 141 | /** |
| 142 | * link_report - show link status and link speed/duplex |
| 143 | * @p: the port whose settings are to be reported |
| 144 | * |
| 145 | * Shows the link status, speed, and duplex of a port. |
| 146 | */ |
| 147 | static void link_report(struct net_device *dev) |
| 148 | { |
| 149 | if (!netif_carrier_ok(dev)) |
| 150 | printk(KERN_INFO "%s: link down\n", dev->name); |
| 151 | else { |
| 152 | const char *s = "10Mbps"; |
| 153 | const struct port_info *p = netdev_priv(dev); |
| 154 | |
| 155 | switch (p->link_config.speed) { |
| 156 | case SPEED_10000: |
| 157 | s = "10Gbps"; |
| 158 | break; |
| 159 | case SPEED_1000: |
| 160 | s = "1000Mbps"; |
| 161 | break; |
| 162 | case SPEED_100: |
| 163 | s = "100Mbps"; |
| 164 | break; |
| 165 | } |
| 166 | |
| 167 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", dev->name, s, |
| 168 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * t3_os_link_changed - handle link status changes |
| 174 | * @adapter: the adapter associated with the link change |
| 175 | * @port_id: the port index whose limk status has changed |
| 176 | * @link_stat: the new status of the link |
| 177 | * @speed: the new speed setting |
| 178 | * @duplex: the new duplex setting |
| 179 | * @pause: the new flow-control setting |
| 180 | * |
| 181 | * This is the OS-dependent handler for link status changes. The OS |
| 182 | * neutral handler takes care of most of the processing for these events, |
| 183 | * then calls this handler for any OS-specific processing. |
| 184 | */ |
| 185 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, |
| 186 | int speed, int duplex, int pause) |
| 187 | { |
| 188 | struct net_device *dev = adapter->port[port_id]; |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 189 | struct port_info *pi = netdev_priv(dev); |
| 190 | struct cmac *mac = &pi->mac; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 191 | |
| 192 | /* Skip changes from disabled ports. */ |
| 193 | if (!netif_running(dev)) |
| 194 | return; |
| 195 | |
| 196 | if (link_stat != netif_carrier_ok(dev)) { |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 197 | if (link_stat) { |
Divy Le Ray | 59cf810 | 2007-04-09 20:10:27 -0700 | [diff] [blame] | 198 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 199 | netif_carrier_on(dev); |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 200 | } else { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 201 | netif_carrier_off(dev); |
Divy Le Ray | 59cf810 | 2007-04-09 20:10:27 -0700 | [diff] [blame] | 202 | pi->phy.ops->power_down(&pi->phy, 1); |
| 203 | t3_mac_disable(mac, MAC_DIRECTION_RX); |
| 204 | t3_link_start(&pi->phy, mac, &pi->link_config); |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 207 | link_report(dev); |
| 208 | } |
| 209 | } |
| 210 | |
Divy Le Ray | 1e88202 | 2008-10-08 17:40:07 -0700 | [diff] [blame] | 211 | /** |
| 212 | * t3_os_phymod_changed - handle PHY module changes |
| 213 | * @phy: the PHY reporting the module change |
| 214 | * @mod_type: new module type |
| 215 | * |
| 216 | * This is the OS-dependent handler for PHY module changes. It is |
| 217 | * invoked when a PHY module is removed or inserted for any OS-specific |
| 218 | * processing. |
| 219 | */ |
| 220 | void t3_os_phymod_changed(struct adapter *adap, int port_id) |
| 221 | { |
| 222 | static const char *mod_str[] = { |
| 223 | NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" |
| 224 | }; |
| 225 | |
| 226 | const struct net_device *dev = adap->port[port_id]; |
| 227 | const struct port_info *pi = netdev_priv(dev); |
| 228 | |
| 229 | if (pi->phy.modtype == phy_modtype_none) |
| 230 | printk(KERN_INFO "%s: PHY module unplugged\n", dev->name); |
| 231 | else |
| 232 | printk(KERN_INFO "%s: %s PHY module inserted\n", dev->name, |
| 233 | mod_str[pi->phy.modtype]); |
| 234 | } |
| 235 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 236 | static void cxgb_set_rxmode(struct net_device *dev) |
| 237 | { |
| 238 | struct t3_rx_mode rm; |
| 239 | struct port_info *pi = netdev_priv(dev); |
| 240 | |
| 241 | init_rx_mode(&rm, dev, dev->mc_list); |
| 242 | t3_mac_set_rx_mode(&pi->mac, &rm); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * link_start - enable a port |
| 247 | * @dev: the device to enable |
| 248 | * |
| 249 | * Performs the MAC and PHY actions needed to enable a port. |
| 250 | */ |
| 251 | static void link_start(struct net_device *dev) |
| 252 | { |
| 253 | struct t3_rx_mode rm; |
| 254 | struct port_info *pi = netdev_priv(dev); |
| 255 | struct cmac *mac = &pi->mac; |
| 256 | |
| 257 | init_rx_mode(&rm, dev, dev->mc_list); |
| 258 | t3_mac_reset(mac); |
| 259 | t3_mac_set_mtu(mac, dev->mtu); |
| 260 | t3_mac_set_address(mac, 0, dev->dev_addr); |
| 261 | t3_mac_set_rx_mode(mac, &rm); |
| 262 | t3_link_start(&pi->phy, mac, &pi->link_config); |
| 263 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); |
| 264 | } |
| 265 | |
| 266 | static inline void cxgb_disable_msi(struct adapter *adapter) |
| 267 | { |
| 268 | if (adapter->flags & USING_MSIX) { |
| 269 | pci_disable_msix(adapter->pdev); |
| 270 | adapter->flags &= ~USING_MSIX; |
| 271 | } else if (adapter->flags & USING_MSI) { |
| 272 | pci_disable_msi(adapter->pdev); |
| 273 | adapter->flags &= ~USING_MSI; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /* |
| 278 | * Interrupt handler for asynchronous events used with MSI-X. |
| 279 | */ |
| 280 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) |
| 281 | { |
| 282 | t3_slow_intr_handler(cookie); |
| 283 | return IRQ_HANDLED; |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * Name the MSI-X interrupts. |
| 288 | */ |
| 289 | static void name_msix_vecs(struct adapter *adap) |
| 290 | { |
| 291 | int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; |
| 292 | |
| 293 | snprintf(adap->msix_info[0].desc, n, "%s", adap->name); |
| 294 | adap->msix_info[0].desc[n] = 0; |
| 295 | |
| 296 | for_each_port(adap, j) { |
| 297 | struct net_device *d = adap->port[j]; |
| 298 | const struct port_info *pi = netdev_priv(d); |
| 299 | |
| 300 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { |
| 301 | snprintf(adap->msix_info[msi_idx].desc, n, |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 302 | "%s-%d", d->name, pi->first_qset + i); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 303 | adap->msix_info[msi_idx].desc[n] = 0; |
| 304 | } |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 305 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static int request_msix_data_irqs(struct adapter *adap) |
| 309 | { |
| 310 | int i, j, err, qidx = 0; |
| 311 | |
| 312 | for_each_port(adap, i) { |
| 313 | int nqsets = adap2pinfo(adap, i)->nqsets; |
| 314 | |
| 315 | for (j = 0; j < nqsets; ++j) { |
| 316 | err = request_irq(adap->msix_info[qidx + 1].vec, |
| 317 | t3_intr_handler(adap, |
| 318 | adap->sge.qs[qidx]. |
| 319 | rspq.polling), 0, |
| 320 | adap->msix_info[qidx + 1].desc, |
| 321 | &adap->sge.qs[qidx]); |
| 322 | if (err) { |
| 323 | while (--qidx >= 0) |
| 324 | free_irq(adap->msix_info[qidx + 1].vec, |
| 325 | &adap->sge.qs[qidx]); |
| 326 | return err; |
| 327 | } |
| 328 | qidx++; |
| 329 | } |
| 330 | } |
| 331 | return 0; |
| 332 | } |
| 333 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 334 | static void free_irq_resources(struct adapter *adapter) |
| 335 | { |
| 336 | if (adapter->flags & USING_MSIX) { |
| 337 | int i, n = 0; |
| 338 | |
| 339 | free_irq(adapter->msix_info[0].vec, adapter); |
| 340 | for_each_port(adapter, i) |
| 341 | n += adap2pinfo(adapter, i)->nqsets; |
| 342 | |
| 343 | for (i = 0; i < n; ++i) |
| 344 | free_irq(adapter->msix_info[i + 1].vec, |
| 345 | &adapter->sge.qs[i]); |
| 346 | } else |
| 347 | free_irq(adapter->pdev->irq, adapter); |
| 348 | } |
| 349 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 350 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
| 351 | unsigned long n) |
| 352 | { |
| 353 | int attempts = 5; |
| 354 | |
| 355 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { |
| 356 | if (!--attempts) |
| 357 | return -ETIMEDOUT; |
| 358 | msleep(10); |
| 359 | } |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | static int init_tp_parity(struct adapter *adap) |
| 364 | { |
| 365 | int i; |
| 366 | struct sk_buff *skb; |
| 367 | struct cpl_set_tcb_field *greq; |
| 368 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; |
| 369 | |
| 370 | t3_tp_set_offload_mode(adap, 1); |
| 371 | |
| 372 | for (i = 0; i < 16; i++) { |
| 373 | struct cpl_smt_write_req *req; |
| 374 | |
| 375 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); |
| 376 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); |
| 377 | memset(req, 0, sizeof(*req)); |
| 378 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 379 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); |
| 380 | req->iff = i; |
| 381 | t3_mgmt_tx(adap, skb); |
| 382 | } |
| 383 | |
| 384 | for (i = 0; i < 2048; i++) { |
| 385 | struct cpl_l2t_write_req *req; |
| 386 | |
| 387 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); |
| 388 | req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req)); |
| 389 | memset(req, 0, sizeof(*req)); |
| 390 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 391 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); |
| 392 | req->params = htonl(V_L2T_W_IDX(i)); |
| 393 | t3_mgmt_tx(adap, skb); |
| 394 | } |
| 395 | |
| 396 | for (i = 0; i < 2048; i++) { |
| 397 | struct cpl_rte_write_req *req; |
| 398 | |
| 399 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); |
| 400 | req = (struct cpl_rte_write_req *)__skb_put(skb, sizeof(*req)); |
| 401 | memset(req, 0, sizeof(*req)); |
| 402 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 403 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); |
| 404 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); |
| 405 | t3_mgmt_tx(adap, skb); |
| 406 | } |
| 407 | |
| 408 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL | __GFP_NOFAIL); |
| 409 | greq = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*greq)); |
| 410 | memset(greq, 0, sizeof(*greq)); |
| 411 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 412 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); |
| 413 | greq->mask = cpu_to_be64(1); |
| 414 | t3_mgmt_tx(adap, skb); |
| 415 | |
| 416 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); |
| 417 | t3_tp_set_offload_mode(adap, 0); |
| 418 | return i; |
| 419 | } |
| 420 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 421 | /** |
| 422 | * setup_rss - configure RSS |
| 423 | * @adap: the adapter |
| 424 | * |
| 425 | * Sets up RSS to distribute packets to multiple receive queues. We |
| 426 | * configure the RSS CPU lookup table to distribute to the number of HW |
| 427 | * receive queues, and the response queue lookup table to narrow that |
| 428 | * down to the response queues actually configured for each port. |
| 429 | * We always configure the RSS mapping for two ports since the mapping |
| 430 | * table has plenty of entries. |
| 431 | */ |
| 432 | static void setup_rss(struct adapter *adap) |
| 433 | { |
| 434 | int i; |
| 435 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; |
| 436 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; |
| 437 | u8 cpus[SGE_QSETS + 1]; |
| 438 | u16 rspq_map[RSS_TABLE_SIZE]; |
| 439 | |
| 440 | for (i = 0; i < SGE_QSETS; ++i) |
| 441 | cpus[i] = i; |
| 442 | cpus[SGE_QSETS] = 0xff; /* terminator */ |
| 443 | |
| 444 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { |
| 445 | rspq_map[i] = i % nq0; |
| 446 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; |
| 447 | } |
| 448 | |
| 449 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | |
| 450 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | |
Divy Le Ray | a2604be | 2007-11-16 11:22:16 -0800 | [diff] [blame] | 451 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 452 | } |
| 453 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 454 | static void init_napi(struct adapter *adap) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 455 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 456 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 457 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 458 | for (i = 0; i < SGE_QSETS; i++) { |
| 459 | struct sge_qset *qs = &adap->sge.qs[i]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 460 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 461 | if (qs->adap) |
| 462 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, |
| 463 | 64); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 464 | } |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 465 | |
| 466 | /* |
| 467 | * netif_napi_add() can be called only once per napi_struct because it |
| 468 | * adds each new napi_struct to a list. Be careful not to call it a |
| 469 | * second time, e.g., during EEH recovery, by making a note of it. |
| 470 | */ |
| 471 | adap->flags |= NAPI_INIT; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | /* |
| 475 | * Wait until all NAPI handlers are descheduled. This includes the handlers of |
| 476 | * both netdevices representing interfaces and the dummy ones for the extra |
| 477 | * queues. |
| 478 | */ |
| 479 | static void quiesce_rx(struct adapter *adap) |
| 480 | { |
| 481 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 482 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 483 | for (i = 0; i < SGE_QSETS; i++) |
| 484 | if (adap->sge.qs[i].adap) |
| 485 | napi_disable(&adap->sge.qs[i].napi); |
| 486 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 487 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 488 | static void enable_all_napi(struct adapter *adap) |
| 489 | { |
| 490 | int i; |
| 491 | for (i = 0; i < SGE_QSETS; i++) |
| 492 | if (adap->sge.qs[i].adap) |
| 493 | napi_enable(&adap->sge.qs[i].napi); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | /** |
| 497 | * setup_sge_qsets - configure SGE Tx/Rx/response queues |
| 498 | * @adap: the adapter |
| 499 | * |
| 500 | * Determines how many sets of SGE queues to use and initializes them. |
| 501 | * We support multiple queue sets per port if we have MSI-X, otherwise |
| 502 | * just one queue set per port. |
| 503 | */ |
| 504 | static int setup_sge_qsets(struct adapter *adap) |
| 505 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 506 | int i, j, err, irq_idx = 0, qset_idx = 0; |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 507 | unsigned int ntxq = SGE_TXQ_PER_SET; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 508 | |
| 509 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) |
| 510 | irq_idx = -1; |
| 511 | |
| 512 | for_each_port(adap, i) { |
| 513 | struct net_device *dev = adap->port[i]; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 514 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 515 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 516 | pi->qs = &adap->sge.qs[pi->first_qset]; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 517 | for (j = pi->first_qset; j < pi->first_qset + pi->nqsets; |
| 518 | ++j, ++qset_idx) { |
| 519 | if (!pi->rx_csum_offload) |
| 520 | adap->params.sge.qset[qset_idx].lro = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 521 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
| 522 | (adap->flags & USING_MSIX) ? qset_idx + 1 : |
| 523 | irq_idx, |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 524 | &adap->params.sge.qset[qset_idx], ntxq, dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 525 | if (err) { |
Divy Le Ray | 0ca41c0 | 2008-09-25 14:05:28 +0000 | [diff] [blame] | 526 | t3_stop_sge_timers(adap); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 527 | t3_free_sge_resources(adap); |
| 528 | return err; |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | return 0; |
| 534 | } |
| 535 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 536 | static ssize_t attr_show(struct device *d, char *buf, |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 537 | ssize_t(*format) (struct net_device *, char *)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 538 | { |
| 539 | ssize_t len; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 540 | |
| 541 | /* Synchronize with ioctls that may shut down the device */ |
| 542 | rtnl_lock(); |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 543 | len = (*format) (to_net_dev(d), buf); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 544 | rtnl_unlock(); |
| 545 | return len; |
| 546 | } |
| 547 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 548 | static ssize_t attr_store(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 549 | const char *buf, size_t len, |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 550 | ssize_t(*set) (struct net_device *, unsigned int), |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 551 | unsigned int min_val, unsigned int max_val) |
| 552 | { |
| 553 | char *endp; |
| 554 | ssize_t ret; |
| 555 | unsigned int val; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 556 | |
| 557 | if (!capable(CAP_NET_ADMIN)) |
| 558 | return -EPERM; |
| 559 | |
| 560 | val = simple_strtoul(buf, &endp, 0); |
| 561 | if (endp == buf || val < min_val || val > max_val) |
| 562 | return -EINVAL; |
| 563 | |
| 564 | rtnl_lock(); |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 565 | ret = (*set) (to_net_dev(d), val); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 566 | if (!ret) |
| 567 | ret = len; |
| 568 | rtnl_unlock(); |
| 569 | return ret; |
| 570 | } |
| 571 | |
| 572 | #define CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 573 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 574 | { \ |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 575 | struct port_info *pi = netdev_priv(dev); \ |
| 576 | struct adapter *adap = pi->adapter; \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 577 | return sprintf(buf, "%u\n", val_expr); \ |
| 578 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 579 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
| 580 | char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 581 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 582 | return attr_show(d, buf, format_##name); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 583 | } |
| 584 | |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 585 | 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] | 586 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 587 | struct port_info *pi = netdev_priv(dev); |
| 588 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 589 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 590 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 591 | if (adap->flags & FULL_INIT_DONE) |
| 592 | return -EBUSY; |
| 593 | if (val && adap->params.rev == 0) |
| 594 | return -EINVAL; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 595 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
| 596 | min_tids) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 597 | return -EINVAL; |
| 598 | adap->params.mc5.nfilters = val; |
| 599 | return 0; |
| 600 | } |
| 601 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 602 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
| 603 | const char *buf, size_t len) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 604 | { |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 605 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 606 | } |
| 607 | |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 608 | 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] | 609 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 610 | struct port_info *pi = netdev_priv(dev); |
| 611 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 896392e | 2007-02-24 16:43:50 -0800 | [diff] [blame] | 612 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 613 | if (adap->flags & FULL_INIT_DONE) |
| 614 | return -EBUSY; |
Divy Le Ray | 9f23848 | 2007-03-31 00:23:13 -0700 | [diff] [blame] | 615 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
| 616 | MC5_MIN_TIDS) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 617 | return -EINVAL; |
| 618 | adap->params.mc5.nservers = val; |
| 619 | return 0; |
| 620 | } |
| 621 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 622 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
| 623 | const char *buf, size_t len) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 624 | { |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 625 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | #define CXGB3_ATTR_R(name, val_expr) \ |
| 629 | CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 630 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 631 | |
| 632 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ |
| 633 | CXGB3_SHOW(name, val_expr) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 634 | 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] | 635 | |
| 636 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); |
| 637 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); |
| 638 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); |
| 639 | |
| 640 | static struct attribute *cxgb3_attrs[] = { |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 641 | &dev_attr_cam_size.attr, |
| 642 | &dev_attr_nfilters.attr, |
| 643 | &dev_attr_nservers.attr, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 644 | NULL |
| 645 | }; |
| 646 | |
| 647 | static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; |
| 648 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 649 | static ssize_t tm_attr_show(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 650 | char *buf, int sched) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 651 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 652 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
| 653 | struct adapter *adap = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 654 | unsigned int v, addr, bpt, cpt; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 655 | ssize_t len; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 656 | |
| 657 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; |
| 658 | rtnl_lock(); |
| 659 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); |
| 660 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); |
| 661 | if (sched & 1) |
| 662 | v >>= 16; |
| 663 | bpt = (v >> 8) & 0xff; |
| 664 | cpt = v & 0xff; |
| 665 | if (!cpt) |
| 666 | len = sprintf(buf, "disabled\n"); |
| 667 | else { |
| 668 | v = (adap->params.vpd.cclk * 1000) / cpt; |
| 669 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); |
| 670 | } |
| 671 | rtnl_unlock(); |
| 672 | return len; |
| 673 | } |
| 674 | |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 675 | static ssize_t tm_attr_store(struct device *d, |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 676 | const char *buf, size_t len, int sched) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 677 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 678 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
| 679 | struct adapter *adap = pi->adapter; |
| 680 | unsigned int val; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 681 | char *endp; |
| 682 | ssize_t ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 683 | |
| 684 | if (!capable(CAP_NET_ADMIN)) |
| 685 | return -EPERM; |
| 686 | |
| 687 | val = simple_strtoul(buf, &endp, 0); |
| 688 | if (endp == buf || val > 10000000) |
| 689 | return -EINVAL; |
| 690 | |
| 691 | rtnl_lock(); |
| 692 | ret = t3_config_sched(adap, val, sched); |
| 693 | if (!ret) |
| 694 | ret = len; |
| 695 | rtnl_unlock(); |
| 696 | return ret; |
| 697 | } |
| 698 | |
| 699 | #define TM_ATTR(name, sched) \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 700 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
| 701 | char *buf) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 702 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 703 | return tm_attr_show(d, buf, sched); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 704 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 705 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
| 706 | const char *buf, size_t len) \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 707 | { \ |
Divy Le Ray | 3e5192e | 2007-11-16 11:22:10 -0800 | [diff] [blame] | 708 | return tm_attr_store(d, buf, len, sched); \ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 709 | } \ |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 710 | 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] | 711 | |
| 712 | TM_ATTR(sched0, 0); |
| 713 | TM_ATTR(sched1, 1); |
| 714 | TM_ATTR(sched2, 2); |
| 715 | TM_ATTR(sched3, 3); |
| 716 | TM_ATTR(sched4, 4); |
| 717 | TM_ATTR(sched5, 5); |
| 718 | TM_ATTR(sched6, 6); |
| 719 | TM_ATTR(sched7, 7); |
| 720 | |
| 721 | static struct attribute *offload_attrs[] = { |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 722 | &dev_attr_sched0.attr, |
| 723 | &dev_attr_sched1.attr, |
| 724 | &dev_attr_sched2.attr, |
| 725 | &dev_attr_sched3.attr, |
| 726 | &dev_attr_sched4.attr, |
| 727 | &dev_attr_sched5.attr, |
| 728 | &dev_attr_sched6.attr, |
| 729 | &dev_attr_sched7.attr, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 730 | NULL |
| 731 | }; |
| 732 | |
| 733 | static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; |
| 734 | |
| 735 | /* |
| 736 | * Sends an sk_buff to an offload queue driver |
| 737 | * after dealing with any active network taps. |
| 738 | */ |
| 739 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) |
| 740 | { |
| 741 | int ret; |
| 742 | |
| 743 | local_bh_disable(); |
| 744 | ret = t3_offload_tx(tdev, skb); |
| 745 | local_bh_enable(); |
| 746 | return ret; |
| 747 | } |
| 748 | |
| 749 | static int write_smt_entry(struct adapter *adapter, int idx) |
| 750 | { |
| 751 | struct cpl_smt_write_req *req; |
| 752 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
| 753 | |
| 754 | if (!skb) |
| 755 | return -ENOMEM; |
| 756 | |
| 757 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); |
| 758 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
| 759 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); |
| 760 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ |
| 761 | req->iff = idx; |
| 762 | memset(req->src_mac1, 0, sizeof(req->src_mac1)); |
| 763 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); |
| 764 | skb->priority = 1; |
| 765 | offload_tx(&adapter->tdev, skb); |
| 766 | return 0; |
| 767 | } |
| 768 | |
| 769 | static int init_smt(struct adapter *adapter) |
| 770 | { |
| 771 | int i; |
| 772 | |
| 773 | for_each_port(adapter, i) |
| 774 | write_smt_entry(adapter, i); |
| 775 | return 0; |
| 776 | } |
| 777 | |
| 778 | static void init_port_mtus(struct adapter *adapter) |
| 779 | { |
| 780 | unsigned int mtus = adapter->port[0]->mtu; |
| 781 | |
| 782 | if (adapter->port[1]) |
| 783 | mtus |= adapter->port[1]->mtu << 16; |
| 784 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); |
| 785 | } |
| 786 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 787 | 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] | 788 | int hi, int port) |
| 789 | { |
| 790 | struct sk_buff *skb; |
| 791 | struct mngt_pktsched_wr *req; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 792 | int ret; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 793 | |
| 794 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); |
| 795 | req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); |
| 796 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); |
| 797 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; |
| 798 | req->sched = sched; |
| 799 | req->idx = qidx; |
| 800 | req->min = lo; |
| 801 | req->max = hi; |
| 802 | req->binding = port; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 803 | ret = t3_mgmt_tx(adap, skb); |
| 804 | |
| 805 | return ret; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 806 | } |
| 807 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 808 | static int bind_qsets(struct adapter *adap) |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 809 | { |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 810 | int i, j, err = 0; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 811 | |
| 812 | for_each_port(adap, i) { |
| 813 | const struct port_info *pi = adap2pinfo(adap, i); |
| 814 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 815 | for (j = 0; j < pi->nqsets; ++j) { |
| 816 | int ret = send_pktsched_cmd(adap, 1, |
| 817 | pi->first_qset + j, -1, |
| 818 | -1, i); |
| 819 | if (ret) |
| 820 | err = ret; |
| 821 | } |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 822 | } |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 823 | |
| 824 | return err; |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 825 | } |
| 826 | |
Divy Le Ray | 7f672cf | 2007-03-31 00:23:30 -0700 | [diff] [blame] | 827 | #define FW_FNAME "t3fw-%d.%d.%d.bin" |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 828 | #define TPSRAM_NAME "t3%c_protocol_sram-%d.%d.%d.bin" |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 829 | |
| 830 | static int upgrade_fw(struct adapter *adap) |
| 831 | { |
| 832 | int ret; |
| 833 | char buf[64]; |
| 834 | const struct firmware *fw; |
| 835 | struct device *dev = &adap->pdev->dev; |
| 836 | |
| 837 | snprintf(buf, sizeof(buf), FW_FNAME, FW_VERSION_MAJOR, |
Divy Le Ray | 7f672cf | 2007-03-31 00:23:30 -0700 | [diff] [blame] | 838 | FW_VERSION_MINOR, FW_VERSION_MICRO); |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 839 | ret = request_firmware(&fw, buf, dev); |
| 840 | if (ret < 0) { |
| 841 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", |
| 842 | buf); |
| 843 | return ret; |
| 844 | } |
| 845 | ret = t3_load_fw(adap, fw->data, fw->size); |
| 846 | release_firmware(fw); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 847 | |
| 848 | if (ret == 0) |
| 849 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", |
| 850 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); |
| 851 | else |
| 852 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", |
| 853 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 854 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 855 | return ret; |
| 856 | } |
| 857 | |
| 858 | static inline char t3rev2char(struct adapter *adapter) |
| 859 | { |
| 860 | char rev = 0; |
| 861 | |
| 862 | switch(adapter->params.rev) { |
| 863 | case T3_REV_B: |
| 864 | case T3_REV_B2: |
| 865 | rev = 'b'; |
| 866 | break; |
Divy Le Ray | 1aafee2 | 2007-09-05 15:58:36 -0700 | [diff] [blame] | 867 | case T3_REV_C: |
| 868 | rev = 'c'; |
| 869 | break; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 870 | } |
| 871 | return rev; |
| 872 | } |
| 873 | |
Stephen Hemminger | 9265fab | 2007-10-08 16:22:29 -0700 | [diff] [blame] | 874 | static int update_tpsram(struct adapter *adap) |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 875 | { |
| 876 | const struct firmware *tpsram; |
| 877 | char buf[64]; |
| 878 | struct device *dev = &adap->pdev->dev; |
| 879 | int ret; |
| 880 | char rev; |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 881 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 882 | rev = t3rev2char(adap); |
| 883 | if (!rev) |
| 884 | return 0; |
| 885 | |
| 886 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev, |
| 887 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); |
| 888 | |
| 889 | ret = request_firmware(&tpsram, buf, dev); |
| 890 | if (ret < 0) { |
| 891 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", |
| 892 | buf); |
| 893 | return ret; |
| 894 | } |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 895 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 896 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
| 897 | if (ret) |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 898 | goto release_tpsram; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 899 | |
| 900 | ret = t3_set_proto_sram(adap, tpsram->data); |
| 901 | if (ret == 0) |
| 902 | dev_info(dev, |
| 903 | "successful update of protocol engine " |
| 904 | "to %d.%d.%d\n", |
| 905 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); |
| 906 | else |
| 907 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", |
| 908 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); |
| 909 | if (ret) |
| 910 | dev_err(dev, "loading protocol SRAM failed\n"); |
| 911 | |
| 912 | release_tpsram: |
| 913 | release_firmware(tpsram); |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 914 | |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 915 | return ret; |
| 916 | } |
| 917 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 918 | /** |
| 919 | * cxgb_up - enable the adapter |
| 920 | * @adapter: adapter being enabled |
| 921 | * |
| 922 | * Called when the first port is enabled, this function performs the |
| 923 | * actions necessary to make an adapter operational, such as completing |
| 924 | * the initialization of HW modules, and enabling interrupts. |
| 925 | * |
| 926 | * Must be called with the rtnl lock held. |
| 927 | */ |
| 928 | static int cxgb_up(struct adapter *adap) |
| 929 | { |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 930 | int err; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 931 | int must_load; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 932 | |
| 933 | if (!(adap->flags & FULL_INIT_DONE)) { |
Divy Le Ray | a5a3b46 | 2007-09-05 15:58:09 -0700 | [diff] [blame] | 934 | err = t3_check_fw_version(adap, &must_load); |
| 935 | if (err == -EINVAL) { |
Divy Le Ray | 2e28396 | 2007-03-18 13:10:06 -0700 | [diff] [blame] | 936 | err = upgrade_fw(adap); |
Divy Le Ray | a5a3b46 | 2007-09-05 15:58:09 -0700 | [diff] [blame] | 937 | if (err && must_load) |
| 938 | goto out; |
| 939 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 940 | |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 941 | err = t3_check_tpsram_version(adap, &must_load); |
| 942 | if (err == -EINVAL) { |
| 943 | err = update_tpsram(adap); |
| 944 | if (err && must_load) |
| 945 | goto out; |
| 946 | } |
| 947 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 948 | /* |
| 949 | * Clear interrupts now to catch errors if t3_init_hw fails. |
| 950 | * We clear them again later as initialization may trigger |
| 951 | * conditions that can interrupt. |
| 952 | */ |
| 953 | t3_intr_clear(adap); |
| 954 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 955 | err = t3_init_hw(adap, 0); |
| 956 | if (err) |
| 957 | goto out; |
| 958 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 959 | 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] | 960 | 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] | 961 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 962 | err = setup_sge_qsets(adap); |
| 963 | if (err) |
| 964 | goto out; |
| 965 | |
| 966 | setup_rss(adap); |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 967 | if (!(adap->flags & NAPI_INIT)) |
| 968 | init_napi(adap); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 969 | adap->flags |= FULL_INIT_DONE; |
| 970 | } |
| 971 | |
| 972 | t3_intr_clear(adap); |
| 973 | |
| 974 | if (adap->flags & USING_MSIX) { |
| 975 | name_msix_vecs(adap); |
| 976 | err = request_irq(adap->msix_info[0].vec, |
| 977 | t3_async_intr_handler, 0, |
| 978 | adap->msix_info[0].desc, adap); |
| 979 | if (err) |
| 980 | goto irq_err; |
| 981 | |
Divy Le Ray | 42256f5 | 2007-11-16 11:21:39 -0800 | [diff] [blame] | 982 | err = request_msix_data_irqs(adap); |
| 983 | if (err) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 984 | free_irq(adap->msix_info[0].vec, adap); |
| 985 | goto irq_err; |
| 986 | } |
| 987 | } else if ((err = request_irq(adap->pdev->irq, |
| 988 | t3_intr_handler(adap, |
| 989 | adap->sge.qs[0].rspq. |
| 990 | polling), |
Thomas Gleixner | 2db6346 | 2007-02-14 00:33:20 -0800 | [diff] [blame] | 991 | (adap->flags & USING_MSI) ? |
| 992 | 0 : IRQF_SHARED, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 993 | adap->name, adap))) |
| 994 | goto irq_err; |
| 995 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 996 | enable_all_napi(adap); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 997 | t3_sge_start(adap); |
| 998 | t3_intr_enable(adap); |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 999 | |
Divy Le Ray | b881955 | 2007-12-17 18:47:31 -0800 | [diff] [blame] | 1000 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
| 1001 | is_offload(adap) && init_tp_parity(adap) == 0) |
| 1002 | adap->flags |= TP_PARITY_INIT; |
| 1003 | |
| 1004 | if (adap->flags & TP_PARITY_INIT) { |
| 1005 | t3_write_reg(adap, A_TP_INT_CAUSE, |
| 1006 | F_CMCACHEPERR | F_ARPLUTPERR); |
| 1007 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); |
| 1008 | } |
| 1009 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1010 | if (!(adap->flags & QUEUES_BOUND)) { |
| 1011 | err = bind_qsets(adap); |
| 1012 | if (err) { |
| 1013 | CH_ERR(adap, "failed to bind qsets, err %d\n", err); |
| 1014 | t3_intr_disable(adap); |
| 1015 | free_irq_resources(adap); |
| 1016 | goto out; |
| 1017 | } |
| 1018 | adap->flags |= QUEUES_BOUND; |
| 1019 | } |
Divy Le Ray | 14ab989 | 2007-01-30 19:43:50 -0800 | [diff] [blame] | 1020 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1021 | out: |
| 1022 | return err; |
| 1023 | irq_err: |
| 1024 | CH_ERR(adap, "request_irq failed, err %d\n", err); |
| 1025 | goto out; |
| 1026 | } |
| 1027 | |
| 1028 | /* |
| 1029 | * Release resources when all the ports and offloading have been stopped. |
| 1030 | */ |
| 1031 | static void cxgb_down(struct adapter *adapter) |
| 1032 | { |
| 1033 | t3_sge_stop(adapter); |
| 1034 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ |
| 1035 | t3_intr_disable(adapter); |
| 1036 | spin_unlock_irq(&adapter->work_lock); |
| 1037 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1038 | free_irq_resources(adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1039 | flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ |
| 1040 | quiesce_rx(adapter); |
| 1041 | } |
| 1042 | |
| 1043 | static void schedule_chk_task(struct adapter *adap) |
| 1044 | { |
| 1045 | unsigned int timeo; |
| 1046 | |
| 1047 | timeo = adap->params.linkpoll_period ? |
| 1048 | (HZ * adap->params.linkpoll_period) / 10 : |
| 1049 | adap->params.stats_update_period * HZ; |
| 1050 | if (timeo) |
| 1051 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); |
| 1052 | } |
| 1053 | |
| 1054 | static int offload_open(struct net_device *dev) |
| 1055 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1056 | struct port_info *pi = netdev_priv(dev); |
| 1057 | struct adapter *adapter = pi->adapter; |
| 1058 | struct t3cdev *tdev = dev2t3cdev(dev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1059 | int adap_up = adapter->open_device_map & PORT_MASK; |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 1060 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1061 | |
| 1062 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) |
| 1063 | return 0; |
| 1064 | |
| 1065 | if (!adap_up && (err = cxgb_up(adapter)) < 0) |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 1066 | goto out; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1067 | |
| 1068 | t3_tp_set_offload_mode(adapter, 1); |
| 1069 | tdev->lldev = adapter->port[0]; |
| 1070 | err = cxgb3_offload_activate(adapter); |
| 1071 | if (err) |
| 1072 | goto out; |
| 1073 | |
| 1074 | init_port_mtus(adapter); |
| 1075 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, |
| 1076 | adapter->params.b_wnd, |
| 1077 | adapter->params.rev == 0 ? |
| 1078 | adapter->port[0]->mtu : 0xffff); |
| 1079 | init_smt(adapter); |
| 1080 | |
Dan Noe | d96a51f | 2008-04-12 22:34:38 -0400 | [diff] [blame] | 1081 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
| 1082 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1083 | |
| 1084 | /* Call back all registered clients */ |
| 1085 | cxgb3_add_clients(tdev); |
| 1086 | |
| 1087 | out: |
| 1088 | /* restore them in case the offload module has changed them */ |
| 1089 | if (err) { |
| 1090 | t3_tp_set_offload_mode(adapter, 0); |
| 1091 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); |
| 1092 | cxgb3_set_dummy_ops(tdev); |
| 1093 | } |
| 1094 | return err; |
| 1095 | } |
| 1096 | |
| 1097 | static int offload_close(struct t3cdev *tdev) |
| 1098 | { |
| 1099 | struct adapter *adapter = tdev2adap(tdev); |
| 1100 | |
| 1101 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) |
| 1102 | return 0; |
| 1103 | |
| 1104 | /* Call back all registered clients */ |
| 1105 | cxgb3_remove_clients(tdev); |
| 1106 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 1107 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1108 | |
| 1109 | tdev->lldev = NULL; |
| 1110 | cxgb3_set_dummy_ops(tdev); |
| 1111 | t3_tp_set_offload_mode(adapter, 0); |
| 1112 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); |
| 1113 | |
| 1114 | if (!adapter->open_device_map) |
| 1115 | cxgb_down(adapter); |
| 1116 | |
| 1117 | cxgb3_offload_deactivate(adapter); |
| 1118 | return 0; |
| 1119 | } |
| 1120 | |
| 1121 | static int cxgb_open(struct net_device *dev) |
| 1122 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1123 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1124 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1125 | int other_ports = adapter->open_device_map & PORT_MASK; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1126 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1127 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 1128 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1129 | return err; |
| 1130 | |
| 1131 | set_bit(pi->port_id, &adapter->open_device_map); |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 1132 | if (is_offload(adapter) && !ofld_disable) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1133 | err = offload_open(dev); |
| 1134 | if (err) |
| 1135 | printk(KERN_WARNING |
| 1136 | "Could not initialize offload capabilities\n"); |
| 1137 | } |
| 1138 | |
| 1139 | link_start(dev); |
| 1140 | t3_port_intr_enable(adapter, pi->port_id); |
| 1141 | netif_start_queue(dev); |
| 1142 | if (!other_ports) |
| 1143 | schedule_chk_task(adapter); |
| 1144 | |
| 1145 | return 0; |
| 1146 | } |
| 1147 | |
| 1148 | static int cxgb_close(struct net_device *dev) |
| 1149 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1150 | struct port_info *pi = netdev_priv(dev); |
| 1151 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1152 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1153 | t3_port_intr_disable(adapter, pi->port_id); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1154 | netif_stop_queue(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1155 | pi->phy.ops->power_down(&pi->phy, 1); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1156 | netif_carrier_off(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1157 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1158 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 1159 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1160 | clear_bit(pi->port_id, &adapter->open_device_map); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 1161 | spin_unlock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1162 | |
| 1163 | if (!(adapter->open_device_map & PORT_MASK)) |
| 1164 | cancel_rearming_delayed_workqueue(cxgb3_wq, |
| 1165 | &adapter->adap_check_task); |
| 1166 | |
| 1167 | if (!adapter->open_device_map) |
| 1168 | cxgb_down(adapter); |
| 1169 | |
| 1170 | return 0; |
| 1171 | } |
| 1172 | |
| 1173 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) |
| 1174 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1175 | struct port_info *pi = netdev_priv(dev); |
| 1176 | struct adapter *adapter = pi->adapter; |
| 1177 | struct net_device_stats *ns = &pi->netstats; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1178 | const struct mac_stats *pstats; |
| 1179 | |
| 1180 | spin_lock(&adapter->stats_lock); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1181 | pstats = t3_mac_update_stats(&pi->mac); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1182 | spin_unlock(&adapter->stats_lock); |
| 1183 | |
| 1184 | ns->tx_bytes = pstats->tx_octets; |
| 1185 | ns->tx_packets = pstats->tx_frames; |
| 1186 | ns->rx_bytes = pstats->rx_octets; |
| 1187 | ns->rx_packets = pstats->rx_frames; |
| 1188 | ns->multicast = pstats->rx_mcast_frames; |
| 1189 | |
| 1190 | ns->tx_errors = pstats->tx_underrun; |
| 1191 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + |
| 1192 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + |
| 1193 | pstats->rx_fifo_ovfl; |
| 1194 | |
| 1195 | /* detailed rx_errors */ |
| 1196 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; |
| 1197 | ns->rx_over_errors = 0; |
| 1198 | ns->rx_crc_errors = pstats->rx_fcs_errs; |
| 1199 | ns->rx_frame_errors = pstats->rx_symbol_errs; |
| 1200 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; |
| 1201 | ns->rx_missed_errors = pstats->rx_cong_drops; |
| 1202 | |
| 1203 | /* detailed tx_errors */ |
| 1204 | ns->tx_aborted_errors = 0; |
| 1205 | ns->tx_carrier_errors = 0; |
| 1206 | ns->tx_fifo_errors = pstats->tx_underrun; |
| 1207 | ns->tx_heartbeat_errors = 0; |
| 1208 | ns->tx_window_errors = 0; |
| 1209 | return ns; |
| 1210 | } |
| 1211 | |
| 1212 | static u32 get_msglevel(struct net_device *dev) |
| 1213 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1214 | struct port_info *pi = netdev_priv(dev); |
| 1215 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1216 | |
| 1217 | return adapter->msg_enable; |
| 1218 | } |
| 1219 | |
| 1220 | static void set_msglevel(struct net_device *dev, u32 val) |
| 1221 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1222 | struct port_info *pi = netdev_priv(dev); |
| 1223 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1224 | |
| 1225 | adapter->msg_enable = val; |
| 1226 | } |
| 1227 | |
| 1228 | static char stats_strings[][ETH_GSTRING_LEN] = { |
| 1229 | "TxOctetsOK ", |
| 1230 | "TxFramesOK ", |
| 1231 | "TxMulticastFramesOK", |
| 1232 | "TxBroadcastFramesOK", |
| 1233 | "TxPauseFrames ", |
| 1234 | "TxUnderrun ", |
| 1235 | "TxExtUnderrun ", |
| 1236 | |
| 1237 | "TxFrames64 ", |
| 1238 | "TxFrames65To127 ", |
| 1239 | "TxFrames128To255 ", |
| 1240 | "TxFrames256To511 ", |
| 1241 | "TxFrames512To1023 ", |
| 1242 | "TxFrames1024To1518 ", |
| 1243 | "TxFrames1519ToMax ", |
| 1244 | |
| 1245 | "RxOctetsOK ", |
| 1246 | "RxFramesOK ", |
| 1247 | "RxMulticastFramesOK", |
| 1248 | "RxBroadcastFramesOK", |
| 1249 | "RxPauseFrames ", |
| 1250 | "RxFCSErrors ", |
| 1251 | "RxSymbolErrors ", |
| 1252 | "RxShortErrors ", |
| 1253 | "RxJabberErrors ", |
| 1254 | "RxLengthErrors ", |
| 1255 | "RxFIFOoverflow ", |
| 1256 | |
| 1257 | "RxFrames64 ", |
| 1258 | "RxFrames65To127 ", |
| 1259 | "RxFrames128To255 ", |
| 1260 | "RxFrames256To511 ", |
| 1261 | "RxFrames512To1023 ", |
| 1262 | "RxFrames1024To1518 ", |
| 1263 | "RxFrames1519ToMax ", |
| 1264 | |
| 1265 | "PhyFIFOErrors ", |
| 1266 | "TSO ", |
| 1267 | "VLANextractions ", |
| 1268 | "VLANinsertions ", |
| 1269 | "TxCsumOffload ", |
| 1270 | "RxCsumGood ", |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1271 | "LroAggregated ", |
| 1272 | "LroFlushed ", |
| 1273 | "LroNoDesc ", |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 1274 | "RxDrops ", |
| 1275 | |
| 1276 | "CheckTXEnToggled ", |
| 1277 | "CheckResets ", |
| 1278 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1279 | }; |
| 1280 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1281 | static int get_sset_count(struct net_device *dev, int sset) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1282 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1283 | switch (sset) { |
| 1284 | case ETH_SS_STATS: |
| 1285 | return ARRAY_SIZE(stats_strings); |
| 1286 | default: |
| 1287 | return -EOPNOTSUPP; |
| 1288 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | #define T3_REGMAP_SIZE (3 * 1024) |
| 1292 | |
| 1293 | static int get_regs_len(struct net_device *dev) |
| 1294 | { |
| 1295 | return T3_REGMAP_SIZE; |
| 1296 | } |
| 1297 | |
| 1298 | static int get_eeprom_len(struct net_device *dev) |
| 1299 | { |
| 1300 | return EEPROMSIZE; |
| 1301 | } |
| 1302 | |
| 1303 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 1304 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1305 | struct port_info *pi = netdev_priv(dev); |
| 1306 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1307 | u32 fw_vers = 0; |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1308 | u32 tp_vers = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1309 | |
| 1310 | t3_get_fw_version(adapter, &fw_vers); |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1311 | t3_get_tp_version(adapter, &tp_vers); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1312 | |
| 1313 | strcpy(info->driver, DRV_NAME); |
| 1314 | strcpy(info->version, DRV_VERSION); |
| 1315 | strcpy(info->bus_info, pci_name(adapter->pdev)); |
| 1316 | if (!fw_vers) |
| 1317 | strcpy(info->fw_version, "N/A"); |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1318 | else { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1319 | snprintf(info->fw_version, sizeof(info->fw_version), |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1320 | "%s %u.%u.%u TP %u.%u.%u", |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1321 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
| 1322 | G_FW_VERSION_MAJOR(fw_vers), |
| 1323 | G_FW_VERSION_MINOR(fw_vers), |
Divy Le Ray | 4733007 | 2007-08-29 19:15:52 -0700 | [diff] [blame] | 1324 | G_FW_VERSION_MICRO(fw_vers), |
| 1325 | G_TP_VERSION_MAJOR(tp_vers), |
| 1326 | G_TP_VERSION_MINOR(tp_vers), |
| 1327 | G_TP_VERSION_MICRO(tp_vers)); |
Divy Le Ray | 4aac389 | 2007-01-30 19:43:45 -0800 | [diff] [blame] | 1328 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1329 | } |
| 1330 | |
| 1331 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) |
| 1332 | { |
| 1333 | if (stringset == ETH_SS_STATS) |
| 1334 | memcpy(data, stats_strings, sizeof(stats_strings)); |
| 1335 | } |
| 1336 | |
| 1337 | static unsigned long collect_sge_port_stats(struct adapter *adapter, |
| 1338 | struct port_info *p, int idx) |
| 1339 | { |
| 1340 | int i; |
| 1341 | unsigned long tot = 0; |
| 1342 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1343 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
| 1344 | tot += adapter->sge.qs[i].port_stats[idx]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1345 | return tot; |
| 1346 | } |
| 1347 | |
| 1348 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, |
| 1349 | u64 *data) |
| 1350 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1351 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1352 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1353 | const struct mac_stats *s; |
| 1354 | |
| 1355 | spin_lock(&adapter->stats_lock); |
| 1356 | s = t3_mac_update_stats(&pi->mac); |
| 1357 | spin_unlock(&adapter->stats_lock); |
| 1358 | |
| 1359 | *data++ = s->tx_octets; |
| 1360 | *data++ = s->tx_frames; |
| 1361 | *data++ = s->tx_mcast_frames; |
| 1362 | *data++ = s->tx_bcast_frames; |
| 1363 | *data++ = s->tx_pause; |
| 1364 | *data++ = s->tx_underrun; |
| 1365 | *data++ = s->tx_fifo_urun; |
| 1366 | |
| 1367 | *data++ = s->tx_frames_64; |
| 1368 | *data++ = s->tx_frames_65_127; |
| 1369 | *data++ = s->tx_frames_128_255; |
| 1370 | *data++ = s->tx_frames_256_511; |
| 1371 | *data++ = s->tx_frames_512_1023; |
| 1372 | *data++ = s->tx_frames_1024_1518; |
| 1373 | *data++ = s->tx_frames_1519_max; |
| 1374 | |
| 1375 | *data++ = s->rx_octets; |
| 1376 | *data++ = s->rx_frames; |
| 1377 | *data++ = s->rx_mcast_frames; |
| 1378 | *data++ = s->rx_bcast_frames; |
| 1379 | *data++ = s->rx_pause; |
| 1380 | *data++ = s->rx_fcs_errs; |
| 1381 | *data++ = s->rx_symbol_errs; |
| 1382 | *data++ = s->rx_short; |
| 1383 | *data++ = s->rx_jabber; |
| 1384 | *data++ = s->rx_too_long; |
| 1385 | *data++ = s->rx_fifo_ovfl; |
| 1386 | |
| 1387 | *data++ = s->rx_frames_64; |
| 1388 | *data++ = s->rx_frames_65_127; |
| 1389 | *data++ = s->rx_frames_128_255; |
| 1390 | *data++ = s->rx_frames_256_511; |
| 1391 | *data++ = s->rx_frames_512_1023; |
| 1392 | *data++ = s->rx_frames_1024_1518; |
| 1393 | *data++ = s->rx_frames_1519_max; |
| 1394 | |
| 1395 | *data++ = pi->phy.fifo_errors; |
| 1396 | |
| 1397 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); |
| 1398 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); |
| 1399 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); |
| 1400 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); |
| 1401 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1402 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_AGGR); |
| 1403 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_FLUSHED); |
| 1404 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_NO_DESC); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1405 | *data++ = s->rx_cong_drops; |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 1406 | |
| 1407 | *data++ = s->num_toggled; |
| 1408 | *data++ = s->num_resets; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1409 | } |
| 1410 | |
| 1411 | static inline void reg_block_dump(struct adapter *ap, void *buf, |
| 1412 | unsigned int start, unsigned int end) |
| 1413 | { |
| 1414 | u32 *p = buf + start; |
| 1415 | |
| 1416 | for (; start <= end; start += sizeof(u32)) |
| 1417 | *p++ = t3_read_reg(ap, start); |
| 1418 | } |
| 1419 | |
| 1420 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 1421 | void *buf) |
| 1422 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1423 | struct port_info *pi = netdev_priv(dev); |
| 1424 | struct adapter *ap = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1425 | |
| 1426 | /* |
| 1427 | * Version scheme: |
| 1428 | * bits 0..9: chip version |
| 1429 | * bits 10..15: chip revision |
| 1430 | * bit 31: set for PCIe cards |
| 1431 | */ |
| 1432 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); |
| 1433 | |
| 1434 | /* |
| 1435 | * We skip the MAC statistics registers because they are clear-on-read. |
| 1436 | * Also reading multi-register stats would need to synchronize with the |
| 1437 | * periodic mac stats accumulation. Hard to justify the complexity. |
| 1438 | */ |
| 1439 | memset(buf, 0, T3_REGMAP_SIZE); |
| 1440 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); |
| 1441 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); |
| 1442 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); |
| 1443 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); |
| 1444 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); |
| 1445 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, |
| 1446 | XGM_REG(A_XGM_SERDES_STAT3, 1)); |
| 1447 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), |
| 1448 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); |
| 1449 | } |
| 1450 | |
| 1451 | static int restart_autoneg(struct net_device *dev) |
| 1452 | { |
| 1453 | struct port_info *p = netdev_priv(dev); |
| 1454 | |
| 1455 | if (!netif_running(dev)) |
| 1456 | return -EAGAIN; |
| 1457 | if (p->link_config.autoneg != AUTONEG_ENABLE) |
| 1458 | return -EINVAL; |
| 1459 | p->phy.ops->autoneg_restart(&p->phy); |
| 1460 | return 0; |
| 1461 | } |
| 1462 | |
| 1463 | static int cxgb3_phys_id(struct net_device *dev, u32 data) |
| 1464 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1465 | struct port_info *pi = netdev_priv(dev); |
| 1466 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1467 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1468 | |
| 1469 | if (data == 0) |
| 1470 | data = 2; |
| 1471 | |
| 1472 | for (i = 0; i < data * 2; i++) { |
| 1473 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
| 1474 | (i & 1) ? F_GPIO0_OUT_VAL : 0); |
| 1475 | if (msleep_interruptible(500)) |
| 1476 | break; |
| 1477 | } |
| 1478 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
| 1479 | F_GPIO0_OUT_VAL); |
| 1480 | return 0; |
| 1481 | } |
| 1482 | |
| 1483 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 1484 | { |
| 1485 | struct port_info *p = netdev_priv(dev); |
| 1486 | |
| 1487 | cmd->supported = p->link_config.supported; |
| 1488 | cmd->advertising = p->link_config.advertising; |
| 1489 | |
| 1490 | if (netif_carrier_ok(dev)) { |
| 1491 | cmd->speed = p->link_config.speed; |
| 1492 | cmd->duplex = p->link_config.duplex; |
| 1493 | } else { |
| 1494 | cmd->speed = -1; |
| 1495 | cmd->duplex = -1; |
| 1496 | } |
| 1497 | |
| 1498 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; |
| 1499 | cmd->phy_address = p->phy.addr; |
| 1500 | cmd->transceiver = XCVR_EXTERNAL; |
| 1501 | cmd->autoneg = p->link_config.autoneg; |
| 1502 | cmd->maxtxpkt = 0; |
| 1503 | cmd->maxrxpkt = 0; |
| 1504 | return 0; |
| 1505 | } |
| 1506 | |
| 1507 | static int speed_duplex_to_caps(int speed, int duplex) |
| 1508 | { |
| 1509 | int cap = 0; |
| 1510 | |
| 1511 | switch (speed) { |
| 1512 | case SPEED_10: |
| 1513 | if (duplex == DUPLEX_FULL) |
| 1514 | cap = SUPPORTED_10baseT_Full; |
| 1515 | else |
| 1516 | cap = SUPPORTED_10baseT_Half; |
| 1517 | break; |
| 1518 | case SPEED_100: |
| 1519 | if (duplex == DUPLEX_FULL) |
| 1520 | cap = SUPPORTED_100baseT_Full; |
| 1521 | else |
| 1522 | cap = SUPPORTED_100baseT_Half; |
| 1523 | break; |
| 1524 | case SPEED_1000: |
| 1525 | if (duplex == DUPLEX_FULL) |
| 1526 | cap = SUPPORTED_1000baseT_Full; |
| 1527 | else |
| 1528 | cap = SUPPORTED_1000baseT_Half; |
| 1529 | break; |
| 1530 | case SPEED_10000: |
| 1531 | if (duplex == DUPLEX_FULL) |
| 1532 | cap = SUPPORTED_10000baseT_Full; |
| 1533 | } |
| 1534 | return cap; |
| 1535 | } |
| 1536 | |
| 1537 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ |
| 1538 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ |
| 1539 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ |
| 1540 | ADVERTISED_10000baseT_Full) |
| 1541 | |
| 1542 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 1543 | { |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 1544 | int cap; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1545 | struct port_info *p = netdev_priv(dev); |
| 1546 | struct link_config *lc = &p->link_config; |
| 1547 | |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 1548 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
| 1549 | /* |
| 1550 | * PHY offers a single speed/duplex. See if that's what's |
| 1551 | * being requested. |
| 1552 | */ |
| 1553 | if (cmd->autoneg == AUTONEG_DISABLE) { |
| 1554 | cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); |
| 1555 | if (lc->supported & cap) |
| 1556 | return 0; |
| 1557 | } |
| 1558 | return -EINVAL; |
| 1559 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1560 | |
| 1561 | if (cmd->autoneg == AUTONEG_DISABLE) { |
| 1562 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); |
| 1563 | |
| 1564 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) |
| 1565 | return -EINVAL; |
| 1566 | lc->requested_speed = cmd->speed; |
| 1567 | lc->requested_duplex = cmd->duplex; |
| 1568 | lc->advertising = 0; |
| 1569 | } else { |
| 1570 | cmd->advertising &= ADVERTISED_MASK; |
| 1571 | cmd->advertising &= lc->supported; |
| 1572 | if (!cmd->advertising) |
| 1573 | return -EINVAL; |
| 1574 | lc->requested_speed = SPEED_INVALID; |
| 1575 | lc->requested_duplex = DUPLEX_INVALID; |
| 1576 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; |
| 1577 | } |
| 1578 | lc->autoneg = cmd->autoneg; |
| 1579 | if (netif_running(dev)) |
| 1580 | t3_link_start(&p->phy, &p->mac, lc); |
| 1581 | return 0; |
| 1582 | } |
| 1583 | |
| 1584 | static void get_pauseparam(struct net_device *dev, |
| 1585 | struct ethtool_pauseparam *epause) |
| 1586 | { |
| 1587 | struct port_info *p = netdev_priv(dev); |
| 1588 | |
| 1589 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; |
| 1590 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; |
| 1591 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; |
| 1592 | } |
| 1593 | |
| 1594 | static int set_pauseparam(struct net_device *dev, |
| 1595 | struct ethtool_pauseparam *epause) |
| 1596 | { |
| 1597 | struct port_info *p = netdev_priv(dev); |
| 1598 | struct link_config *lc = &p->link_config; |
| 1599 | |
| 1600 | if (epause->autoneg == AUTONEG_DISABLE) |
| 1601 | lc->requested_fc = 0; |
| 1602 | else if (lc->supported & SUPPORTED_Autoneg) |
| 1603 | lc->requested_fc = PAUSE_AUTONEG; |
| 1604 | else |
| 1605 | return -EINVAL; |
| 1606 | |
| 1607 | if (epause->rx_pause) |
| 1608 | lc->requested_fc |= PAUSE_RX; |
| 1609 | if (epause->tx_pause) |
| 1610 | lc->requested_fc |= PAUSE_TX; |
| 1611 | if (lc->autoneg == AUTONEG_ENABLE) { |
| 1612 | if (netif_running(dev)) |
| 1613 | t3_link_start(&p->phy, &p->mac, lc); |
| 1614 | } else { |
| 1615 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); |
| 1616 | if (netif_running(dev)) |
| 1617 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); |
| 1618 | } |
| 1619 | return 0; |
| 1620 | } |
| 1621 | |
| 1622 | static u32 get_rx_csum(struct net_device *dev) |
| 1623 | { |
| 1624 | struct port_info *p = netdev_priv(dev); |
| 1625 | |
| 1626 | return p->rx_csum_offload; |
| 1627 | } |
| 1628 | |
| 1629 | static int set_rx_csum(struct net_device *dev, u32 data) |
| 1630 | { |
| 1631 | struct port_info *p = netdev_priv(dev); |
| 1632 | |
| 1633 | p->rx_csum_offload = data; |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1634 | if (!data) { |
| 1635 | struct adapter *adap = p->adapter; |
| 1636 | int i; |
| 1637 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1638 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
| 1639 | adap->params.sge.qset[i].lro = 0; |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1640 | adap->sge.qs[i].lro_enabled = 0; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1641 | } |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1642 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1643 | return 0; |
| 1644 | } |
| 1645 | |
| 1646 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
| 1647 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1648 | struct port_info *pi = netdev_priv(dev); |
| 1649 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1650 | 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] | 1651 | |
| 1652 | e->rx_max_pending = MAX_RX_BUFFERS; |
| 1653 | e->rx_mini_max_pending = 0; |
| 1654 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; |
| 1655 | e->tx_max_pending = MAX_TXQ_ENTRIES; |
| 1656 | |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1657 | e->rx_pending = q->fl_size; |
| 1658 | e->rx_mini_pending = q->rspq_size; |
| 1659 | e->rx_jumbo_pending = q->jumbo_size; |
| 1660 | e->tx_pending = q->txq_size[0]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1661 | } |
| 1662 | |
| 1663 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
| 1664 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1665 | struct port_info *pi = netdev_priv(dev); |
| 1666 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1667 | struct qset_params *q; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1668 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1669 | |
| 1670 | if (e->rx_pending > MAX_RX_BUFFERS || |
| 1671 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || |
| 1672 | e->tx_pending > MAX_TXQ_ENTRIES || |
| 1673 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || |
| 1674 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || |
| 1675 | e->rx_pending < MIN_FL_ENTRIES || |
| 1676 | e->rx_jumbo_pending < MIN_FL_ENTRIES || |
| 1677 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) |
| 1678 | return -EINVAL; |
| 1679 | |
| 1680 | if (adapter->flags & FULL_INIT_DONE) |
| 1681 | return -EBUSY; |
| 1682 | |
Divy Le Ray | 05b97b3 | 2007-03-18 13:10:01 -0700 | [diff] [blame] | 1683 | q = &adapter->params.sge.qset[pi->first_qset]; |
| 1684 | for (i = 0; i < pi->nqsets; ++i, ++q) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1685 | q->rspq_size = e->rx_mini_pending; |
| 1686 | q->fl_size = e->rx_pending; |
| 1687 | q->jumbo_size = e->rx_jumbo_pending; |
| 1688 | q->txq_size[0] = e->tx_pending; |
| 1689 | q->txq_size[1] = e->tx_pending; |
| 1690 | q->txq_size[2] = e->tx_pending; |
| 1691 | } |
| 1692 | return 0; |
| 1693 | } |
| 1694 | |
| 1695 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) |
| 1696 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1697 | struct port_info *pi = netdev_priv(dev); |
| 1698 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1699 | struct qset_params *qsp = &adapter->params.sge.qset[0]; |
| 1700 | struct sge_qset *qs = &adapter->sge.qs[0]; |
| 1701 | |
| 1702 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) |
| 1703 | return -EINVAL; |
| 1704 | |
| 1705 | qsp->coalesce_usecs = c->rx_coalesce_usecs; |
| 1706 | t3_update_qset_coalesce(qs, qsp); |
| 1707 | return 0; |
| 1708 | } |
| 1709 | |
| 1710 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) |
| 1711 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1712 | struct port_info *pi = netdev_priv(dev); |
| 1713 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1714 | struct qset_params *q = adapter->params.sge.qset; |
| 1715 | |
| 1716 | c->rx_coalesce_usecs = q->coalesce_usecs; |
| 1717 | return 0; |
| 1718 | } |
| 1719 | |
| 1720 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, |
| 1721 | u8 * data) |
| 1722 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1723 | struct port_info *pi = netdev_priv(dev); |
| 1724 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1725 | int i, err = 0; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1726 | |
| 1727 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); |
| 1728 | if (!buf) |
| 1729 | return -ENOMEM; |
| 1730 | |
| 1731 | e->magic = EEPROM_MAGIC; |
| 1732 | 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] | 1733 | err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1734 | |
| 1735 | if (!err) |
| 1736 | memcpy(data, buf + e->offset, e->len); |
| 1737 | kfree(buf); |
| 1738 | return err; |
| 1739 | } |
| 1740 | |
| 1741 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 1742 | u8 * 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; |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 1746 | u32 aligned_offset, aligned_len; |
| 1747 | __le32 *p; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1748 | u8 *buf; |
Denis Cheng | c54f5c2 | 2007-07-18 15:24:49 +0800 | [diff] [blame] | 1749 | int err; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1750 | |
| 1751 | if (eeprom->magic != EEPROM_MAGIC) |
| 1752 | return -EINVAL; |
| 1753 | |
| 1754 | aligned_offset = eeprom->offset & ~3; |
| 1755 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; |
| 1756 | |
| 1757 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { |
| 1758 | buf = kmalloc(aligned_len, GFP_KERNEL); |
| 1759 | if (!buf) |
| 1760 | return -ENOMEM; |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 1761 | err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1762 | if (!err && aligned_len > 4) |
| 1763 | err = t3_seeprom_read(adapter, |
| 1764 | aligned_offset + aligned_len - 4, |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 1765 | (__le32 *) & buf[aligned_len - 4]); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1766 | if (err) |
| 1767 | goto out; |
| 1768 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); |
| 1769 | } else |
| 1770 | buf = data; |
| 1771 | |
| 1772 | err = t3_seeprom_wp(adapter, 0); |
| 1773 | if (err) |
| 1774 | goto out; |
| 1775 | |
Al Viro | 05e5c11 | 2007-12-22 18:56:23 +0000 | [diff] [blame] | 1776 | for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1777 | err = t3_seeprom_write(adapter, aligned_offset, *p); |
| 1778 | aligned_offset += 4; |
| 1779 | } |
| 1780 | |
| 1781 | if (!err) |
| 1782 | err = t3_seeprom_wp(adapter, 1); |
| 1783 | out: |
| 1784 | if (buf != data) |
| 1785 | kfree(buf); |
| 1786 | return err; |
| 1787 | } |
| 1788 | |
| 1789 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 1790 | { |
| 1791 | wol->supported = 0; |
| 1792 | wol->wolopts = 0; |
| 1793 | memset(&wol->sopass, 0, sizeof(wol->sopass)); |
| 1794 | } |
| 1795 | |
| 1796 | static const struct ethtool_ops cxgb_ethtool_ops = { |
| 1797 | .get_settings = get_settings, |
| 1798 | .set_settings = set_settings, |
| 1799 | .get_drvinfo = get_drvinfo, |
| 1800 | .get_msglevel = get_msglevel, |
| 1801 | .set_msglevel = set_msglevel, |
| 1802 | .get_ringparam = get_sge_param, |
| 1803 | .set_ringparam = set_sge_param, |
| 1804 | .get_coalesce = get_coalesce, |
| 1805 | .set_coalesce = set_coalesce, |
| 1806 | .get_eeprom_len = get_eeprom_len, |
| 1807 | .get_eeprom = get_eeprom, |
| 1808 | .set_eeprom = set_eeprom, |
| 1809 | .get_pauseparam = get_pauseparam, |
| 1810 | .set_pauseparam = set_pauseparam, |
| 1811 | .get_rx_csum = get_rx_csum, |
| 1812 | .set_rx_csum = set_rx_csum, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1813 | .set_tx_csum = ethtool_op_set_tx_csum, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1814 | .set_sg = ethtool_op_set_sg, |
| 1815 | .get_link = ethtool_op_get_link, |
| 1816 | .get_strings = get_strings, |
| 1817 | .phys_id = cxgb3_phys_id, |
| 1818 | .nway_reset = restart_autoneg, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1819 | .get_sset_count = get_sset_count, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1820 | .get_ethtool_stats = get_stats, |
| 1821 | .get_regs_len = get_regs_len, |
| 1822 | .get_regs = get_regs, |
| 1823 | .get_wol = get_wol, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1824 | .set_tso = ethtool_op_set_tso, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1825 | }; |
| 1826 | |
| 1827 | static int in_range(int val, int lo, int hi) |
| 1828 | { |
| 1829 | return val < 0 || (val <= hi && val >= lo); |
| 1830 | } |
| 1831 | |
| 1832 | static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) |
| 1833 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1834 | struct port_info *pi = netdev_priv(dev); |
| 1835 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1836 | u32 cmd; |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 1837 | int ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1838 | |
| 1839 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
| 1840 | return -EFAULT; |
| 1841 | |
| 1842 | switch (cmd) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1843 | case CHELSIO_SET_QSET_PARAMS:{ |
| 1844 | int i; |
| 1845 | struct qset_params *q; |
| 1846 | struct ch_qset_params t; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1847 | int q1 = pi->first_qset; |
| 1848 | int nqsets = pi->nqsets; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1849 | |
| 1850 | if (!capable(CAP_NET_ADMIN)) |
| 1851 | return -EPERM; |
| 1852 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 1853 | return -EFAULT; |
| 1854 | if (t.qset_idx >= SGE_QSETS) |
| 1855 | return -EINVAL; |
| 1856 | if (!in_range(t.intr_lat, 0, M_NEWTIMER) || |
| 1857 | !in_range(t.cong_thres, 0, 255) || |
| 1858 | !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, |
| 1859 | MAX_TXQ_ENTRIES) || |
| 1860 | !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, |
| 1861 | MAX_TXQ_ENTRIES) || |
| 1862 | !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, |
| 1863 | MAX_CTRL_TXQ_ENTRIES) || |
| 1864 | !in_range(t.fl_size[0], MIN_FL_ENTRIES, |
| 1865 | MAX_RX_BUFFERS) |
| 1866 | || !in_range(t.fl_size[1], MIN_FL_ENTRIES, |
| 1867 | MAX_RX_JUMBO_BUFFERS) |
| 1868 | || !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, |
| 1869 | MAX_RSPQ_ENTRIES)) |
| 1870 | return -EINVAL; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1871 | |
| 1872 | if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0) |
| 1873 | for_each_port(adapter, i) { |
| 1874 | pi = adap2pinfo(adapter, i); |
| 1875 | if (t.qset_idx >= pi->first_qset && |
| 1876 | t.qset_idx < pi->first_qset + pi->nqsets && |
| 1877 | !pi->rx_csum_offload) |
| 1878 | return -EINVAL; |
| 1879 | } |
| 1880 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1881 | if ((adapter->flags & FULL_INIT_DONE) && |
| 1882 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || |
| 1883 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || |
| 1884 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || |
| 1885 | t.polling >= 0 || t.cong_thres >= 0)) |
| 1886 | return -EBUSY; |
| 1887 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1888 | /* Allow setting of any available qset when offload enabled */ |
| 1889 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { |
| 1890 | q1 = 0; |
| 1891 | for_each_port(adapter, i) { |
| 1892 | pi = adap2pinfo(adapter, i); |
| 1893 | nqsets += pi->first_qset + pi->nqsets; |
| 1894 | } |
| 1895 | } |
| 1896 | |
| 1897 | if (t.qset_idx < q1) |
| 1898 | return -EINVAL; |
| 1899 | if (t.qset_idx > q1 + nqsets - 1) |
| 1900 | return -EINVAL; |
| 1901 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1902 | q = &adapter->params.sge.qset[t.qset_idx]; |
| 1903 | |
| 1904 | if (t.rspq_size >= 0) |
| 1905 | q->rspq_size = t.rspq_size; |
| 1906 | if (t.fl_size[0] >= 0) |
| 1907 | q->fl_size = t.fl_size[0]; |
| 1908 | if (t.fl_size[1] >= 0) |
| 1909 | q->jumbo_size = t.fl_size[1]; |
| 1910 | if (t.txq_size[0] >= 0) |
| 1911 | q->txq_size[0] = t.txq_size[0]; |
| 1912 | if (t.txq_size[1] >= 0) |
| 1913 | q->txq_size[1] = t.txq_size[1]; |
| 1914 | if (t.txq_size[2] >= 0) |
| 1915 | q->txq_size[2] = t.txq_size[2]; |
| 1916 | if (t.cong_thres >= 0) |
| 1917 | q->cong_thres = t.cong_thres; |
| 1918 | if (t.intr_lat >= 0) { |
| 1919 | struct sge_qset *qs = |
| 1920 | &adapter->sge.qs[t.qset_idx]; |
| 1921 | |
| 1922 | q->coalesce_usecs = t.intr_lat; |
| 1923 | t3_update_qset_coalesce(qs, q); |
| 1924 | } |
| 1925 | if (t.polling >= 0) { |
| 1926 | if (adapter->flags & USING_MSIX) |
| 1927 | q->polling = t.polling; |
| 1928 | else { |
| 1929 | /* No polling with INTx for T3A */ |
| 1930 | if (adapter->params.rev == 0 && |
| 1931 | !(adapter->flags & USING_MSI)) |
| 1932 | t.polling = 0; |
| 1933 | |
| 1934 | for (i = 0; i < SGE_QSETS; i++) { |
| 1935 | q = &adapter->params.sge. |
| 1936 | qset[i]; |
| 1937 | q->polling = t.polling; |
| 1938 | } |
| 1939 | } |
| 1940 | } |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1941 | if (t.lro >= 0) { |
| 1942 | struct sge_qset *qs = &adapter->sge.qs[t.qset_idx]; |
| 1943 | q->lro = t.lro; |
| 1944 | qs->lro_enabled = t.lro; |
| 1945 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1946 | break; |
| 1947 | } |
| 1948 | case CHELSIO_GET_QSET_PARAMS:{ |
| 1949 | struct qset_params *q; |
| 1950 | struct ch_qset_params t; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1951 | int q1 = pi->first_qset; |
| 1952 | int nqsets = pi->nqsets; |
| 1953 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1954 | |
| 1955 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 1956 | return -EFAULT; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1957 | |
| 1958 | /* Display qsets for all ports when offload enabled */ |
| 1959 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { |
| 1960 | q1 = 0; |
| 1961 | for_each_port(adapter, i) { |
| 1962 | pi = adap2pinfo(adapter, i); |
| 1963 | nqsets = pi->first_qset + pi->nqsets; |
| 1964 | } |
| 1965 | } |
| 1966 | |
| 1967 | if (t.qset_idx >= nqsets) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1968 | return -EINVAL; |
| 1969 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1970 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1971 | t.rspq_size = q->rspq_size; |
| 1972 | t.txq_size[0] = q->txq_size[0]; |
| 1973 | t.txq_size[1] = q->txq_size[1]; |
| 1974 | t.txq_size[2] = q->txq_size[2]; |
| 1975 | t.fl_size[0] = q->fl_size; |
| 1976 | t.fl_size[1] = q->jumbo_size; |
| 1977 | t.polling = q->polling; |
Divy Le Ray | b47385b | 2008-05-21 18:56:26 -0700 | [diff] [blame] | 1978 | t.lro = q->lro; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1979 | t.intr_lat = q->coalesce_usecs; |
| 1980 | t.cong_thres = q->cong_thres; |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 1981 | t.qnum = q1; |
| 1982 | |
| 1983 | if (adapter->flags & USING_MSIX) |
| 1984 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; |
| 1985 | else |
| 1986 | t.vector = adapter->pdev->irq; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1987 | |
| 1988 | if (copy_to_user(useraddr, &t, sizeof(t))) |
| 1989 | return -EFAULT; |
| 1990 | break; |
| 1991 | } |
| 1992 | case CHELSIO_SET_QSET_NUM:{ |
| 1993 | struct ch_reg edata; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 1994 | unsigned int i, first_qset = 0, other_qsets = 0; |
| 1995 | |
| 1996 | if (!capable(CAP_NET_ADMIN)) |
| 1997 | return -EPERM; |
| 1998 | if (adapter->flags & FULL_INIT_DONE) |
| 1999 | return -EBUSY; |
| 2000 | if (copy_from_user(&edata, useraddr, sizeof(edata))) |
| 2001 | return -EFAULT; |
| 2002 | if (edata.val < 1 || |
| 2003 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) |
| 2004 | return -EINVAL; |
| 2005 | |
| 2006 | for_each_port(adapter, i) |
| 2007 | if (adapter->port[i] && adapter->port[i] != dev) |
| 2008 | other_qsets += adap2pinfo(adapter, i)->nqsets; |
| 2009 | |
| 2010 | if (edata.val + other_qsets > SGE_QSETS) |
| 2011 | return -EINVAL; |
| 2012 | |
| 2013 | pi->nqsets = edata.val; |
| 2014 | |
| 2015 | for_each_port(adapter, i) |
| 2016 | if (adapter->port[i]) { |
| 2017 | pi = adap2pinfo(adapter, i); |
| 2018 | pi->first_qset = first_qset; |
| 2019 | first_qset += pi->nqsets; |
| 2020 | } |
| 2021 | break; |
| 2022 | } |
| 2023 | case CHELSIO_GET_QSET_NUM:{ |
| 2024 | struct ch_reg edata; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2025 | |
| 2026 | edata.cmd = CHELSIO_GET_QSET_NUM; |
| 2027 | edata.val = pi->nqsets; |
| 2028 | if (copy_to_user(useraddr, &edata, sizeof(edata))) |
| 2029 | return -EFAULT; |
| 2030 | break; |
| 2031 | } |
| 2032 | case CHELSIO_LOAD_FW:{ |
| 2033 | u8 *fw_data; |
| 2034 | struct ch_mem_range t; |
| 2035 | |
Alan Cox | 1b3aa7a | 2008-04-29 14:29:30 +0100 | [diff] [blame] | 2036 | if (!capable(CAP_SYS_RAWIO)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2037 | return -EPERM; |
| 2038 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2039 | return -EFAULT; |
Alan Cox | 1b3aa7a | 2008-04-29 14:29:30 +0100 | [diff] [blame] | 2040 | /* Check t.len sanity ? */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2041 | fw_data = kmalloc(t.len, GFP_KERNEL); |
| 2042 | if (!fw_data) |
| 2043 | return -ENOMEM; |
| 2044 | |
| 2045 | if (copy_from_user |
| 2046 | (fw_data, useraddr + sizeof(t), t.len)) { |
| 2047 | kfree(fw_data); |
| 2048 | return -EFAULT; |
| 2049 | } |
| 2050 | |
| 2051 | ret = t3_load_fw(adapter, fw_data, t.len); |
| 2052 | kfree(fw_data); |
| 2053 | if (ret) |
| 2054 | return ret; |
| 2055 | break; |
| 2056 | } |
| 2057 | case CHELSIO_SETMTUTAB:{ |
| 2058 | struct ch_mtus m; |
| 2059 | int i; |
| 2060 | |
| 2061 | if (!is_offload(adapter)) |
| 2062 | return -EOPNOTSUPP; |
| 2063 | if (!capable(CAP_NET_ADMIN)) |
| 2064 | return -EPERM; |
| 2065 | if (offload_running(adapter)) |
| 2066 | return -EBUSY; |
| 2067 | if (copy_from_user(&m, useraddr, sizeof(m))) |
| 2068 | return -EFAULT; |
| 2069 | if (m.nmtus != NMTUS) |
| 2070 | return -EINVAL; |
| 2071 | if (m.mtus[0] < 81) /* accommodate SACK */ |
| 2072 | return -EINVAL; |
| 2073 | |
| 2074 | /* MTUs must be in ascending order */ |
| 2075 | for (i = 1; i < NMTUS; ++i) |
| 2076 | if (m.mtus[i] < m.mtus[i - 1]) |
| 2077 | return -EINVAL; |
| 2078 | |
| 2079 | memcpy(adapter->params.mtus, m.mtus, |
| 2080 | sizeof(adapter->params.mtus)); |
| 2081 | break; |
| 2082 | } |
| 2083 | case CHELSIO_GET_PM:{ |
| 2084 | struct tp_params *p = &adapter->params.tp; |
| 2085 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; |
| 2086 | |
| 2087 | if (!is_offload(adapter)) |
| 2088 | return -EOPNOTSUPP; |
| 2089 | m.tx_pg_sz = p->tx_pg_size; |
| 2090 | m.tx_num_pg = p->tx_num_pgs; |
| 2091 | m.rx_pg_sz = p->rx_pg_size; |
| 2092 | m.rx_num_pg = p->rx_num_pgs; |
| 2093 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; |
| 2094 | if (copy_to_user(useraddr, &m, sizeof(m))) |
| 2095 | return -EFAULT; |
| 2096 | break; |
| 2097 | } |
| 2098 | case CHELSIO_SET_PM:{ |
| 2099 | struct ch_pm m; |
| 2100 | struct tp_params *p = &adapter->params.tp; |
| 2101 | |
| 2102 | if (!is_offload(adapter)) |
| 2103 | return -EOPNOTSUPP; |
| 2104 | if (!capable(CAP_NET_ADMIN)) |
| 2105 | return -EPERM; |
| 2106 | if (adapter->flags & FULL_INIT_DONE) |
| 2107 | return -EBUSY; |
| 2108 | if (copy_from_user(&m, useraddr, sizeof(m))) |
| 2109 | return -EFAULT; |
vignesh babu | d9da466 | 2007-07-09 11:50:22 -0700 | [diff] [blame] | 2110 | if (!is_power_of_2(m.rx_pg_sz) || |
| 2111 | !is_power_of_2(m.tx_pg_sz)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2112 | return -EINVAL; /* not power of 2 */ |
| 2113 | if (!(m.rx_pg_sz & 0x14000)) |
| 2114 | return -EINVAL; /* not 16KB or 64KB */ |
| 2115 | if (!(m.tx_pg_sz & 0x1554000)) |
| 2116 | return -EINVAL; |
| 2117 | if (m.tx_num_pg == -1) |
| 2118 | m.tx_num_pg = p->tx_num_pgs; |
| 2119 | if (m.rx_num_pg == -1) |
| 2120 | m.rx_num_pg = p->rx_num_pgs; |
| 2121 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) |
| 2122 | return -EINVAL; |
| 2123 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || |
| 2124 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) |
| 2125 | return -EINVAL; |
| 2126 | p->rx_pg_size = m.rx_pg_sz; |
| 2127 | p->tx_pg_size = m.tx_pg_sz; |
| 2128 | p->rx_num_pgs = m.rx_num_pg; |
| 2129 | p->tx_num_pgs = m.tx_num_pg; |
| 2130 | break; |
| 2131 | } |
| 2132 | case CHELSIO_GET_MEM:{ |
| 2133 | struct ch_mem_range t; |
| 2134 | struct mc7 *mem; |
| 2135 | u64 buf[32]; |
| 2136 | |
| 2137 | if (!is_offload(adapter)) |
| 2138 | return -EOPNOTSUPP; |
| 2139 | if (!(adapter->flags & FULL_INIT_DONE)) |
| 2140 | return -EIO; /* need the memory controllers */ |
| 2141 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2142 | return -EFAULT; |
| 2143 | if ((t.addr & 7) || (t.len & 7)) |
| 2144 | return -EINVAL; |
| 2145 | if (t.mem_id == MEM_CM) |
| 2146 | mem = &adapter->cm; |
| 2147 | else if (t.mem_id == MEM_PMRX) |
| 2148 | mem = &adapter->pmrx; |
| 2149 | else if (t.mem_id == MEM_PMTX) |
| 2150 | mem = &adapter->pmtx; |
| 2151 | else |
| 2152 | return -EINVAL; |
| 2153 | |
| 2154 | /* |
Divy Le Ray | 1825494 | 2007-02-24 16:43:56 -0800 | [diff] [blame] | 2155 | * Version scheme: |
| 2156 | * bits 0..9: chip version |
| 2157 | * bits 10..15: chip revision |
| 2158 | */ |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2159 | t.version = 3 | (adapter->params.rev << 10); |
| 2160 | if (copy_to_user(useraddr, &t, sizeof(t))) |
| 2161 | return -EFAULT; |
| 2162 | |
| 2163 | /* |
| 2164 | * Read 256 bytes at a time as len can be large and we don't |
| 2165 | * want to use huge intermediate buffers. |
| 2166 | */ |
| 2167 | useraddr += sizeof(t); /* advance to start of buffer */ |
| 2168 | while (t.len) { |
| 2169 | unsigned int chunk = |
| 2170 | min_t(unsigned int, t.len, sizeof(buf)); |
| 2171 | |
| 2172 | ret = |
| 2173 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, |
| 2174 | buf); |
| 2175 | if (ret) |
| 2176 | return ret; |
| 2177 | if (copy_to_user(useraddr, buf, chunk)) |
| 2178 | return -EFAULT; |
| 2179 | useraddr += chunk; |
| 2180 | t.addr += chunk; |
| 2181 | t.len -= chunk; |
| 2182 | } |
| 2183 | break; |
| 2184 | } |
| 2185 | case CHELSIO_SET_TRACE_FILTER:{ |
| 2186 | struct ch_trace t; |
| 2187 | const struct trace_params *tp; |
| 2188 | |
| 2189 | if (!capable(CAP_NET_ADMIN)) |
| 2190 | return -EPERM; |
| 2191 | if (!offload_running(adapter)) |
| 2192 | return -EAGAIN; |
| 2193 | if (copy_from_user(&t, useraddr, sizeof(t))) |
| 2194 | return -EFAULT; |
| 2195 | |
| 2196 | tp = (const struct trace_params *)&t.sip; |
| 2197 | if (t.config_tx) |
| 2198 | t3_config_trace_filter(adapter, tp, 0, |
| 2199 | t.invert_match, |
| 2200 | t.trace_tx); |
| 2201 | if (t.config_rx) |
| 2202 | t3_config_trace_filter(adapter, tp, 1, |
| 2203 | t.invert_match, |
| 2204 | t.trace_rx); |
| 2205 | break; |
| 2206 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2207 | default: |
| 2208 | return -EOPNOTSUPP; |
| 2209 | } |
| 2210 | return 0; |
| 2211 | } |
| 2212 | |
| 2213 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) |
| 2214 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2215 | struct mii_ioctl_data *data = if_mii(req); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2216 | struct port_info *pi = netdev_priv(dev); |
| 2217 | struct adapter *adapter = pi->adapter; |
| 2218 | int ret, mmd; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2219 | |
| 2220 | switch (cmd) { |
| 2221 | case SIOCGMIIPHY: |
| 2222 | data->phy_id = pi->phy.addr; |
| 2223 | /* FALLTHRU */ |
| 2224 | case SIOCGMIIREG:{ |
| 2225 | u32 val; |
| 2226 | struct cphy *phy = &pi->phy; |
| 2227 | |
| 2228 | if (!phy->mdio_read) |
| 2229 | return -EOPNOTSUPP; |
| 2230 | if (is_10G(adapter)) { |
| 2231 | mmd = data->phy_id >> 8; |
| 2232 | if (!mmd) |
| 2233 | mmd = MDIO_DEV_PCS; |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 2234 | else if (mmd > MDIO_DEV_VEND2) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2235 | return -EINVAL; |
| 2236 | |
| 2237 | ret = |
| 2238 | phy->mdio_read(adapter, data->phy_id & 0x1f, |
| 2239 | mmd, data->reg_num, &val); |
| 2240 | } else |
| 2241 | ret = |
| 2242 | phy->mdio_read(adapter, data->phy_id & 0x1f, |
| 2243 | 0, data->reg_num & 0x1f, |
| 2244 | &val); |
| 2245 | if (!ret) |
| 2246 | data->val_out = val; |
| 2247 | break; |
| 2248 | } |
| 2249 | case SIOCSMIIREG:{ |
| 2250 | struct cphy *phy = &pi->phy; |
| 2251 | |
| 2252 | if (!capable(CAP_NET_ADMIN)) |
| 2253 | return -EPERM; |
| 2254 | if (!phy->mdio_write) |
| 2255 | return -EOPNOTSUPP; |
| 2256 | if (is_10G(adapter)) { |
| 2257 | mmd = data->phy_id >> 8; |
| 2258 | if (!mmd) |
| 2259 | mmd = MDIO_DEV_PCS; |
Divy Le Ray | 9b1e365 | 2008-10-08 17:39:31 -0700 | [diff] [blame] | 2260 | else if (mmd > MDIO_DEV_VEND2) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2261 | return -EINVAL; |
| 2262 | |
| 2263 | ret = |
| 2264 | phy->mdio_write(adapter, |
| 2265 | data->phy_id & 0x1f, mmd, |
| 2266 | data->reg_num, |
| 2267 | data->val_in); |
| 2268 | } else |
| 2269 | ret = |
| 2270 | phy->mdio_write(adapter, |
| 2271 | data->phy_id & 0x1f, 0, |
| 2272 | data->reg_num & 0x1f, |
| 2273 | data->val_in); |
| 2274 | break; |
| 2275 | } |
| 2276 | case SIOCCHIOCTL: |
| 2277 | return cxgb_extension_ioctl(dev, req->ifr_data); |
| 2278 | default: |
| 2279 | return -EOPNOTSUPP; |
| 2280 | } |
| 2281 | return ret; |
| 2282 | } |
| 2283 | |
| 2284 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) |
| 2285 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2286 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2287 | struct adapter *adapter = pi->adapter; |
| 2288 | int ret; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2289 | |
| 2290 | if (new_mtu < 81) /* accommodate SACK */ |
| 2291 | return -EINVAL; |
| 2292 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) |
| 2293 | return ret; |
| 2294 | dev->mtu = new_mtu; |
| 2295 | init_port_mtus(adapter); |
| 2296 | if (adapter->params.rev == 0 && offload_running(adapter)) |
| 2297 | t3_load_mtus(adapter, adapter->params.mtus, |
| 2298 | adapter->params.a_wnd, adapter->params.b_wnd, |
| 2299 | adapter->port[0]->mtu); |
| 2300 | return 0; |
| 2301 | } |
| 2302 | |
| 2303 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) |
| 2304 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2305 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2306 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2307 | struct sockaddr *addr = p; |
| 2308 | |
| 2309 | if (!is_valid_ether_addr(addr->sa_data)) |
| 2310 | return -EINVAL; |
| 2311 | |
| 2312 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 2313 | t3_mac_set_address(&pi->mac, 0, dev->dev_addr); |
| 2314 | if (offload_running(adapter)) |
| 2315 | write_smt_entry(adapter, pi->port_id); |
| 2316 | return 0; |
| 2317 | } |
| 2318 | |
| 2319 | /** |
| 2320 | * t3_synchronize_rx - wait for current Rx processing on a port to complete |
| 2321 | * @adap: the adapter |
| 2322 | * @p: the port |
| 2323 | * |
| 2324 | * Ensures that current Rx processing on any of the queues associated with |
| 2325 | * the given port completes before returning. We do this by acquiring and |
| 2326 | * releasing the locks of the response queues associated with the port. |
| 2327 | */ |
| 2328 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) |
| 2329 | { |
| 2330 | int i; |
| 2331 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2332 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
| 2333 | struct sge_rspq *q = &adap->sge.qs[i].rspq; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2334 | |
| 2335 | spin_lock_irq(&q->lock); |
| 2336 | spin_unlock_irq(&q->lock); |
| 2337 | } |
| 2338 | } |
| 2339 | |
| 2340 | static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 2341 | { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2342 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2343 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2344 | |
| 2345 | pi->vlan_grp = grp; |
| 2346 | if (adapter->params.rev > 0) |
| 2347 | t3_set_vlan_accel(adapter, 1 << pi->port_id, grp != NULL); |
| 2348 | else { |
| 2349 | /* single control for all ports */ |
| 2350 | unsigned int i, have_vlans = 0; |
| 2351 | for_each_port(adapter, i) |
| 2352 | have_vlans |= adap2pinfo(adapter, i)->vlan_grp != NULL; |
| 2353 | |
| 2354 | t3_set_vlan_accel(adapter, 1, have_vlans); |
| 2355 | } |
| 2356 | t3_synchronize_rx(adapter, pi); |
| 2357 | } |
| 2358 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2359 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2360 | static void cxgb_netpoll(struct net_device *dev) |
| 2361 | { |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2362 | struct port_info *pi = netdev_priv(dev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2363 | struct adapter *adapter = pi->adapter; |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2364 | int qidx; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2365 | |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2366 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
| 2367 | struct sge_qset *qs = &adapter->sge.qs[qidx]; |
| 2368 | void *source; |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 2369 | |
Divy Le Ray | 890de33 | 2007-05-30 10:01:34 -0700 | [diff] [blame] | 2370 | if (adapter->flags & USING_MSIX) |
| 2371 | source = qs; |
| 2372 | else |
| 2373 | source = adapter; |
| 2374 | |
| 2375 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); |
| 2376 | } |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2377 | } |
| 2378 | #endif |
| 2379 | |
| 2380 | /* |
| 2381 | * Periodic accumulation of MAC statistics. |
| 2382 | */ |
| 2383 | static void mac_stats_update(struct adapter *adapter) |
| 2384 | { |
| 2385 | int i; |
| 2386 | |
| 2387 | for_each_port(adapter, i) { |
| 2388 | struct net_device *dev = adapter->port[i]; |
| 2389 | struct port_info *p = netdev_priv(dev); |
| 2390 | |
| 2391 | if (netif_running(dev)) { |
| 2392 | spin_lock(&adapter->stats_lock); |
| 2393 | t3_mac_update_stats(&p->mac); |
| 2394 | spin_unlock(&adapter->stats_lock); |
| 2395 | } |
| 2396 | } |
| 2397 | } |
| 2398 | |
| 2399 | static void check_link_status(struct adapter *adapter) |
| 2400 | { |
| 2401 | int i; |
| 2402 | |
| 2403 | for_each_port(adapter, i) { |
| 2404 | struct net_device *dev = adapter->port[i]; |
| 2405 | struct port_info *p = netdev_priv(dev); |
| 2406 | |
Divy Le Ray | 0449798 | 2008-10-08 17:38:29 -0700 | [diff] [blame] | 2407 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2408 | t3_link_changed(adapter, i); |
| 2409 | } |
| 2410 | } |
| 2411 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2412 | static void check_t3b2_mac(struct adapter *adapter) |
| 2413 | { |
| 2414 | int i; |
| 2415 | |
Divy Le Ray | f2d961c | 2007-04-09 20:10:22 -0700 | [diff] [blame] | 2416 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
| 2417 | return; |
| 2418 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2419 | for_each_port(adapter, i) { |
| 2420 | struct net_device *dev = adapter->port[i]; |
| 2421 | struct port_info *p = netdev_priv(dev); |
| 2422 | int status; |
| 2423 | |
| 2424 | if (!netif_running(dev)) |
| 2425 | continue; |
| 2426 | |
| 2427 | status = 0; |
Divy Le Ray | 6d6daba | 2007-03-31 00:23:24 -0700 | [diff] [blame] | 2428 | if (netif_running(dev) && netif_carrier_ok(dev)) |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2429 | status = t3b2_mac_watchdog_task(&p->mac); |
| 2430 | if (status == 1) |
| 2431 | p->mac.stats.num_toggled++; |
| 2432 | else if (status == 2) { |
| 2433 | struct cmac *mac = &p->mac; |
| 2434 | |
| 2435 | t3_mac_set_mtu(mac, dev->mtu); |
| 2436 | t3_mac_set_address(mac, 0, dev->dev_addr); |
| 2437 | cxgb_set_rxmode(dev); |
| 2438 | t3_link_start(&p->phy, mac, &p->link_config); |
| 2439 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); |
| 2440 | t3_port_intr_enable(adapter, p->port_id); |
| 2441 | p->mac.stats.num_resets++; |
| 2442 | } |
| 2443 | } |
| 2444 | rtnl_unlock(); |
| 2445 | } |
| 2446 | |
| 2447 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2448 | static void t3_adap_check_task(struct work_struct *work) |
| 2449 | { |
| 2450 | struct adapter *adapter = container_of(work, struct adapter, |
| 2451 | adap_check_task.work); |
| 2452 | const struct adapter_params *p = &adapter->params; |
| 2453 | |
| 2454 | adapter->check_task_cnt++; |
| 2455 | |
| 2456 | /* Check link status for PHYs without interrupts */ |
| 2457 | if (p->linkpoll_period) |
| 2458 | check_link_status(adapter); |
| 2459 | |
| 2460 | /* Accumulate MAC stats if needed */ |
| 2461 | if (!p->linkpoll_period || |
| 2462 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= |
| 2463 | p->stats_update_period) { |
| 2464 | mac_stats_update(adapter); |
| 2465 | adapter->check_task_cnt = 0; |
| 2466 | } |
| 2467 | |
Divy Le Ray | fc90664 | 2007-03-18 13:10:12 -0700 | [diff] [blame] | 2468 | if (p->rev == T3_REV_B2) |
| 2469 | check_t3b2_mac(adapter); |
| 2470 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2471 | /* Schedule the next check update if any port is active. */ |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2472 | spin_lock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2473 | if (adapter->open_device_map & PORT_MASK) |
| 2474 | schedule_chk_task(adapter); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2475 | spin_unlock_irq(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2476 | } |
| 2477 | |
| 2478 | /* |
| 2479 | * Processes external (PHY) interrupts in process context. |
| 2480 | */ |
| 2481 | static void ext_intr_task(struct work_struct *work) |
| 2482 | { |
| 2483 | struct adapter *adapter = container_of(work, struct adapter, |
| 2484 | ext_intr_handler_task); |
| 2485 | |
| 2486 | t3_phy_intr_handler(adapter); |
| 2487 | |
| 2488 | /* Now reenable external interrupts */ |
| 2489 | spin_lock_irq(&adapter->work_lock); |
| 2490 | if (adapter->slow_intr_mask) { |
| 2491 | adapter->slow_intr_mask |= F_T3DBG; |
| 2492 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); |
| 2493 | t3_write_reg(adapter, A_PL_INT_ENABLE0, |
| 2494 | adapter->slow_intr_mask); |
| 2495 | } |
| 2496 | spin_unlock_irq(&adapter->work_lock); |
| 2497 | } |
| 2498 | |
| 2499 | /* |
| 2500 | * Interrupt-context handler for external (PHY) interrupts. |
| 2501 | */ |
| 2502 | void t3_os_ext_intr_handler(struct adapter *adapter) |
| 2503 | { |
| 2504 | /* |
| 2505 | * Schedule a task to handle external interrupts as they may be slow |
| 2506 | * and we use a mutex to protect MDIO registers. We disable PHY |
| 2507 | * interrupts in the meantime and let the task reenable them when |
| 2508 | * it's done. |
| 2509 | */ |
| 2510 | spin_lock(&adapter->work_lock); |
| 2511 | if (adapter->slow_intr_mask) { |
| 2512 | adapter->slow_intr_mask &= ~F_T3DBG; |
| 2513 | t3_write_reg(adapter, A_PL_INT_ENABLE0, |
| 2514 | adapter->slow_intr_mask); |
| 2515 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); |
| 2516 | } |
| 2517 | spin_unlock(&adapter->work_lock); |
| 2518 | } |
| 2519 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2520 | static int t3_adapter_error(struct adapter *adapter, int reset) |
| 2521 | { |
| 2522 | int i, ret = 0; |
| 2523 | |
| 2524 | /* Stop all ports */ |
| 2525 | for_each_port(adapter, i) { |
| 2526 | struct net_device *netdev = adapter->port[i]; |
| 2527 | |
| 2528 | if (netif_running(netdev)) |
| 2529 | cxgb_close(netdev); |
| 2530 | } |
| 2531 | |
| 2532 | if (is_offload(adapter) && |
| 2533 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) |
| 2534 | offload_close(&adapter->tdev); |
| 2535 | |
| 2536 | /* Stop SGE timers */ |
| 2537 | t3_stop_sge_timers(adapter); |
| 2538 | |
| 2539 | adapter->flags &= ~FULL_INIT_DONE; |
| 2540 | |
| 2541 | if (reset) |
| 2542 | ret = t3_reset_adapter(adapter); |
| 2543 | |
| 2544 | pci_disable_device(adapter->pdev); |
| 2545 | |
| 2546 | return ret; |
| 2547 | } |
| 2548 | |
| 2549 | static int t3_reenable_adapter(struct adapter *adapter) |
| 2550 | { |
| 2551 | if (pci_enable_device(adapter->pdev)) { |
| 2552 | dev_err(&adapter->pdev->dev, |
| 2553 | "Cannot re-enable PCI device after reset.\n"); |
| 2554 | goto err; |
| 2555 | } |
| 2556 | pci_set_master(adapter->pdev); |
| 2557 | pci_restore_state(adapter->pdev); |
| 2558 | |
| 2559 | /* Free sge resources */ |
| 2560 | t3_free_sge_resources(adapter); |
| 2561 | |
| 2562 | if (t3_replay_prep_adapter(adapter)) |
| 2563 | goto err; |
| 2564 | |
| 2565 | return 0; |
| 2566 | err: |
| 2567 | return -1; |
| 2568 | } |
| 2569 | |
| 2570 | static void t3_resume_ports(struct adapter *adapter) |
| 2571 | { |
| 2572 | int i; |
| 2573 | |
| 2574 | /* Restart the ports */ |
| 2575 | for_each_port(adapter, i) { |
| 2576 | struct net_device *netdev = adapter->port[i]; |
| 2577 | |
| 2578 | if (netif_running(netdev)) { |
| 2579 | if (cxgb_open(netdev)) { |
| 2580 | dev_err(&adapter->pdev->dev, |
| 2581 | "can't bring device back up" |
| 2582 | " after reset\n"); |
| 2583 | continue; |
| 2584 | } |
| 2585 | } |
| 2586 | } |
| 2587 | } |
| 2588 | |
| 2589 | /* |
| 2590 | * processes a fatal error. |
| 2591 | * Bring the ports down, reset the chip, bring the ports back up. |
| 2592 | */ |
| 2593 | static void fatal_error_task(struct work_struct *work) |
| 2594 | { |
| 2595 | struct adapter *adapter = container_of(work, struct adapter, |
| 2596 | fatal_error_handler_task); |
| 2597 | int err = 0; |
| 2598 | |
| 2599 | rtnl_lock(); |
| 2600 | err = t3_adapter_error(adapter, 1); |
| 2601 | if (!err) |
| 2602 | err = t3_reenable_adapter(adapter); |
| 2603 | if (!err) |
| 2604 | t3_resume_ports(adapter); |
| 2605 | |
| 2606 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); |
| 2607 | rtnl_unlock(); |
| 2608 | } |
| 2609 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2610 | void t3_fatal_err(struct adapter *adapter) |
| 2611 | { |
| 2612 | unsigned int fw_status[4]; |
| 2613 | |
| 2614 | if (adapter->flags & FULL_INIT_DONE) { |
| 2615 | t3_sge_stop(adapter); |
Divy Le Ray | c64c2ea | 2007-08-21 20:49:31 -0700 | [diff] [blame] | 2616 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
| 2617 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); |
| 2618 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); |
| 2619 | 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] | 2620 | |
| 2621 | spin_lock(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2622 | t3_intr_disable(adapter); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2623 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
| 2624 | spin_unlock(&adapter->work_lock); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2625 | } |
| 2626 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); |
| 2627 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) |
| 2628 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", |
| 2629 | fw_status[0], fw_status[1], |
| 2630 | fw_status[2], fw_status[3]); |
| 2631 | |
| 2632 | } |
| 2633 | |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2634 | /** |
| 2635 | * t3_io_error_detected - called when PCI error is detected |
| 2636 | * @pdev: Pointer to PCI device |
| 2637 | * @state: The current pci connection state |
| 2638 | * |
| 2639 | * This function is called after a PCI bus error affecting |
| 2640 | * this device has been detected. |
| 2641 | */ |
| 2642 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, |
| 2643 | pci_channel_state_t state) |
| 2644 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 2645 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2646 | int ret; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2647 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2648 | ret = t3_adapter_error(adapter, 0); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2649 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 2650 | /* Request a slot reset. */ |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2651 | return PCI_ERS_RESULT_NEED_RESET; |
| 2652 | } |
| 2653 | |
| 2654 | /** |
| 2655 | * t3_io_slot_reset - called after the pci bus has been reset. |
| 2656 | * @pdev: Pointer to PCI device |
| 2657 | * |
| 2658 | * Restart the card from scratch, as if from a cold-boot. |
| 2659 | */ |
| 2660 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) |
| 2661 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 2662 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2663 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2664 | if (!t3_reenable_adapter(adapter)) |
| 2665 | return PCI_ERS_RESULT_RECOVERED; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2666 | |
Divy Le Ray | 48c4b6d | 2008-05-06 19:25:56 -0700 | [diff] [blame] | 2667 | return PCI_ERS_RESULT_DISCONNECT; |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2668 | } |
| 2669 | |
| 2670 | /** |
| 2671 | * t3_io_resume - called when traffic can start flowing again. |
| 2672 | * @pdev: Pointer to PCI device |
| 2673 | * |
| 2674 | * This callback is called when the error recovery driver tells us that |
| 2675 | * its OK to resume normal operation. |
| 2676 | */ |
| 2677 | static void t3_io_resume(struct pci_dev *pdev) |
| 2678 | { |
Divy Le Ray | bc4b6b5 | 2007-12-17 18:47:41 -0800 | [diff] [blame] | 2679 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2680 | |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2681 | t3_resume_ports(adapter); |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 2682 | } |
| 2683 | |
| 2684 | static struct pci_error_handlers t3_err_handler = { |
| 2685 | .error_detected = t3_io_error_detected, |
| 2686 | .slot_reset = t3_io_slot_reset, |
| 2687 | .resume = t3_io_resume, |
| 2688 | }; |
| 2689 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2690 | /* |
| 2691 | * Set the number of qsets based on the number of CPUs and the number of ports, |
| 2692 | * not to exceed the number of available qsets, assuming there are enough qsets |
| 2693 | * per port in HW. |
| 2694 | */ |
| 2695 | static void set_nqsets(struct adapter *adap) |
| 2696 | { |
| 2697 | int i, j = 0; |
| 2698 | int num_cpus = num_online_cpus(); |
| 2699 | int hwports = adap->params.nports; |
| 2700 | int nqsets = SGE_QSETS; |
| 2701 | |
| 2702 | if (adap->params.rev > 0) { |
| 2703 | if (hwports == 2 && |
| 2704 | (hwports * nqsets > SGE_QSETS || |
| 2705 | num_cpus >= nqsets / hwports)) |
| 2706 | nqsets /= hwports; |
| 2707 | if (nqsets > num_cpus) |
| 2708 | nqsets = num_cpus; |
| 2709 | if (nqsets < 1 || hwports == 4) |
| 2710 | nqsets = 1; |
| 2711 | } else |
| 2712 | nqsets = 1; |
| 2713 | |
| 2714 | for_each_port(adap, i) { |
| 2715 | struct port_info *pi = adap2pinfo(adap, i); |
| 2716 | |
| 2717 | pi->first_qset = j; |
| 2718 | pi->nqsets = nqsets; |
| 2719 | j = pi->first_qset + nqsets; |
| 2720 | |
| 2721 | dev_info(&adap->pdev->dev, |
| 2722 | "Port %d using %d queue sets.\n", i, nqsets); |
| 2723 | } |
| 2724 | } |
| 2725 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2726 | static int __devinit cxgb_enable_msix(struct adapter *adap) |
| 2727 | { |
| 2728 | struct msix_entry entries[SGE_QSETS + 1]; |
| 2729 | int i, err; |
| 2730 | |
| 2731 | for (i = 0; i < ARRAY_SIZE(entries); ++i) |
| 2732 | entries[i].entry = i; |
| 2733 | |
| 2734 | err = pci_enable_msix(adap->pdev, entries, ARRAY_SIZE(entries)); |
| 2735 | if (!err) { |
| 2736 | for (i = 0; i < ARRAY_SIZE(entries); ++i) |
| 2737 | adap->msix_info[i].vec = entries[i].vector; |
| 2738 | } else if (err > 0) |
| 2739 | dev_info(&adap->pdev->dev, |
| 2740 | "only %d MSI-X vectors left, not using MSI-X\n", err); |
| 2741 | return err; |
| 2742 | } |
| 2743 | |
| 2744 | static void __devinit print_port_info(struct adapter *adap, |
| 2745 | const struct adapter_info *ai) |
| 2746 | { |
| 2747 | static const char *pci_variant[] = { |
| 2748 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" |
| 2749 | }; |
| 2750 | |
| 2751 | int i; |
| 2752 | char buf[80]; |
| 2753 | |
| 2754 | if (is_pcie(adap)) |
| 2755 | snprintf(buf, sizeof(buf), "%s x%d", |
| 2756 | pci_variant[adap->params.pci.variant], |
| 2757 | adap->params.pci.width); |
| 2758 | else |
| 2759 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", |
| 2760 | pci_variant[adap->params.pci.variant], |
| 2761 | adap->params.pci.speed, adap->params.pci.width); |
| 2762 | |
| 2763 | for_each_port(adap, i) { |
| 2764 | struct net_device *dev = adap->port[i]; |
| 2765 | const struct port_info *pi = netdev_priv(dev); |
| 2766 | |
| 2767 | if (!test_bit(i, &adap->registered_device_map)) |
| 2768 | continue; |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 2769 | 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] | 2770 | dev->name, ai->desc, pi->phy.desc, |
Divy Le Ray | 8ac3ba6 | 2007-03-31 00:23:19 -0700 | [diff] [blame] | 2771 | is_offload(adap) ? "R" : "", adap->params.rev, buf, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2772 | (adap->flags & USING_MSIX) ? " MSI-X" : |
| 2773 | (adap->flags & USING_MSI) ? " MSI" : ""); |
| 2774 | if (adap->name == dev->name && adap->params.vpd.mclk) |
Divy Le Ray | 167cdf5 | 2007-08-21 20:49:36 -0700 | [diff] [blame] | 2775 | printk(KERN_INFO |
| 2776 | "%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2777 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
| 2778 | t3_mc7_size(&adap->pmtx) >> 20, |
Divy Le Ray | 167cdf5 | 2007-08-21 20:49:36 -0700 | [diff] [blame] | 2779 | t3_mc7_size(&adap->pmrx) >> 20, |
| 2780 | adap->params.vpd.sn); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2781 | } |
| 2782 | } |
| 2783 | |
| 2784 | static int __devinit init_one(struct pci_dev *pdev, |
| 2785 | const struct pci_device_id *ent) |
| 2786 | { |
| 2787 | static int version_printed; |
| 2788 | |
| 2789 | int i, err, pci_using_dac = 0; |
| 2790 | unsigned long mmio_start, mmio_len; |
| 2791 | const struct adapter_info *ai; |
| 2792 | struct adapter *adapter = NULL; |
| 2793 | struct port_info *pi; |
| 2794 | |
| 2795 | if (!version_printed) { |
| 2796 | printk(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); |
| 2797 | ++version_printed; |
| 2798 | } |
| 2799 | |
| 2800 | if (!cxgb3_wq) { |
| 2801 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); |
| 2802 | if (!cxgb3_wq) { |
| 2803 | printk(KERN_ERR DRV_NAME |
| 2804 | ": cannot initialize work queue\n"); |
| 2805 | return -ENOMEM; |
| 2806 | } |
| 2807 | } |
| 2808 | |
| 2809 | err = pci_request_regions(pdev, DRV_NAME); |
| 2810 | if (err) { |
| 2811 | /* Just info, some other driver may have claimed the device. */ |
| 2812 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); |
| 2813 | return err; |
| 2814 | } |
| 2815 | |
| 2816 | err = pci_enable_device(pdev); |
| 2817 | if (err) { |
| 2818 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
| 2819 | goto out_release_regions; |
| 2820 | } |
| 2821 | |
| 2822 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { |
| 2823 | pci_using_dac = 1; |
| 2824 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 2825 | if (err) { |
| 2826 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " |
| 2827 | "coherent allocations\n"); |
| 2828 | goto out_disable_device; |
| 2829 | } |
| 2830 | } else if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) { |
| 2831 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
| 2832 | goto out_disable_device; |
| 2833 | } |
| 2834 | |
| 2835 | pci_set_master(pdev); |
Divy Le Ray | 204e2f9 | 2008-05-06 19:26:01 -0700 | [diff] [blame] | 2836 | pci_save_state(pdev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2837 | |
| 2838 | mmio_start = pci_resource_start(pdev, 0); |
| 2839 | mmio_len = pci_resource_len(pdev, 0); |
| 2840 | ai = t3_get_adapter_info(ent->driver_data); |
| 2841 | |
| 2842 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); |
| 2843 | if (!adapter) { |
| 2844 | err = -ENOMEM; |
| 2845 | goto out_disable_device; |
| 2846 | } |
| 2847 | |
| 2848 | adapter->regs = ioremap_nocache(mmio_start, mmio_len); |
| 2849 | if (!adapter->regs) { |
| 2850 | dev_err(&pdev->dev, "cannot map device registers\n"); |
| 2851 | err = -ENOMEM; |
| 2852 | goto out_free_adapter; |
| 2853 | } |
| 2854 | |
| 2855 | adapter->pdev = pdev; |
| 2856 | adapter->name = pci_name(pdev); |
| 2857 | adapter->msg_enable = dflt_msg_enable; |
| 2858 | adapter->mmio_len = mmio_len; |
| 2859 | |
| 2860 | mutex_init(&adapter->mdio_lock); |
| 2861 | spin_lock_init(&adapter->work_lock); |
| 2862 | spin_lock_init(&adapter->stats_lock); |
| 2863 | |
| 2864 | INIT_LIST_HEAD(&adapter->adapter_list); |
| 2865 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); |
Divy Le Ray | 20d3fc1 | 2008-10-08 17:36:03 -0700 | [diff] [blame] | 2866 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2867 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
| 2868 | |
| 2869 | for (i = 0; i < ai->nports; ++i) { |
| 2870 | struct net_device *netdev; |
| 2871 | |
| 2872 | netdev = alloc_etherdev(sizeof(struct port_info)); |
| 2873 | if (!netdev) { |
| 2874 | err = -ENOMEM; |
| 2875 | goto out_free_dev; |
| 2876 | } |
| 2877 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2878 | SET_NETDEV_DEV(netdev, &pdev->dev); |
| 2879 | |
| 2880 | adapter->port[i] = netdev; |
| 2881 | pi = netdev_priv(netdev); |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2882 | pi->adapter = adapter; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2883 | pi->rx_csum_offload = 1; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2884 | pi->port_id = i; |
| 2885 | netif_carrier_off(netdev); |
| 2886 | netdev->irq = pdev->irq; |
| 2887 | netdev->mem_start = mmio_start; |
| 2888 | netdev->mem_end = mmio_start + mmio_len - 1; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2889 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; |
| 2890 | netdev->features |= NETIF_F_LLTX; |
| 2891 | if (pci_using_dac) |
| 2892 | netdev->features |= NETIF_F_HIGHDMA; |
| 2893 | |
| 2894 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 2895 | netdev->vlan_rx_register = vlan_rx_register; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2896 | |
| 2897 | netdev->open = cxgb_open; |
| 2898 | netdev->stop = cxgb_close; |
| 2899 | netdev->hard_start_xmit = t3_eth_xmit; |
| 2900 | netdev->get_stats = cxgb_get_stats; |
| 2901 | netdev->set_multicast_list = cxgb_set_rxmode; |
| 2902 | netdev->do_ioctl = cxgb_ioctl; |
| 2903 | netdev->change_mtu = cxgb_change_mtu; |
| 2904 | netdev->set_mac_address = cxgb_set_mac_addr; |
| 2905 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2906 | netdev->poll_controller = cxgb_netpoll; |
| 2907 | #endif |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2908 | |
| 2909 | SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops); |
| 2910 | } |
| 2911 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2912 | pci_set_drvdata(pdev, adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2913 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
| 2914 | err = -ENODEV; |
| 2915 | goto out_free_dev; |
| 2916 | } |
Jeff Garzik | 2eab17a | 2007-11-23 21:59:45 -0500 | [diff] [blame] | 2917 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2918 | /* |
| 2919 | * The card is now ready to go. If any errors occur during device |
| 2920 | * registration we do not fail the whole card but rather proceed only |
| 2921 | * with the ports we manage to register successfully. However we must |
| 2922 | * register at least one net device. |
| 2923 | */ |
| 2924 | for_each_port(adapter, i) { |
| 2925 | err = register_netdev(adapter->port[i]); |
| 2926 | if (err) |
| 2927 | dev_warn(&pdev->dev, |
| 2928 | "cannot register net device %s, skipping\n", |
| 2929 | adapter->port[i]->name); |
| 2930 | else { |
| 2931 | /* |
| 2932 | * Change the name we use for messages to the name of |
| 2933 | * the first successfully registered interface. |
| 2934 | */ |
| 2935 | if (!adapter->registered_device_map) |
| 2936 | adapter->name = adapter->port[i]->name; |
| 2937 | |
| 2938 | __set_bit(i, &adapter->registered_device_map); |
| 2939 | } |
| 2940 | } |
| 2941 | if (!adapter->registered_device_map) { |
| 2942 | dev_err(&pdev->dev, "could not register any net devices\n"); |
| 2943 | goto out_free_dev; |
| 2944 | } |
| 2945 | |
| 2946 | /* Driver's ready. Reflect it on LEDs */ |
| 2947 | t3_led_ready(adapter); |
| 2948 | |
| 2949 | if (is_offload(adapter)) { |
| 2950 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); |
| 2951 | cxgb3_adapter_ofld(adapter); |
| 2952 | } |
| 2953 | |
| 2954 | /* See what interrupts we'll be using */ |
| 2955 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) |
| 2956 | adapter->flags |= USING_MSIX; |
| 2957 | else if (msi > 0 && pci_enable_msi(pdev) == 0) |
| 2958 | adapter->flags |= USING_MSI; |
| 2959 | |
Divy Le Ray | 8c26376 | 2008-10-08 17:37:33 -0700 | [diff] [blame] | 2960 | set_nqsets(adapter); |
| 2961 | |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 2962 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2963 | &cxgb3_attr_group); |
| 2964 | |
| 2965 | print_port_info(adapter, ai); |
| 2966 | return 0; |
| 2967 | |
| 2968 | out_free_dev: |
| 2969 | iounmap(adapter->regs); |
| 2970 | for (i = ai->nports - 1; i >= 0; --i) |
| 2971 | if (adapter->port[i]) |
| 2972 | free_netdev(adapter->port[i]); |
| 2973 | |
| 2974 | out_free_adapter: |
| 2975 | kfree(adapter); |
| 2976 | |
| 2977 | out_disable_device: |
| 2978 | pci_disable_device(pdev); |
| 2979 | out_release_regions: |
| 2980 | pci_release_regions(pdev); |
| 2981 | pci_set_drvdata(pdev, NULL); |
| 2982 | return err; |
| 2983 | } |
| 2984 | |
| 2985 | static void __devexit remove_one(struct pci_dev *pdev) |
| 2986 | { |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2987 | struct adapter *adapter = pci_get_drvdata(pdev); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2988 | |
Divy Le Ray | 5fbf816 | 2007-08-29 19:15:47 -0700 | [diff] [blame] | 2989 | if (adapter) { |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2990 | int i; |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2991 | |
| 2992 | t3_sge_stop(adapter); |
Divy Le Ray | 0ee8d33 | 2007-02-08 16:55:59 -0800 | [diff] [blame] | 2993 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2994 | &cxgb3_attr_group); |
| 2995 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 2996 | if (is_offload(adapter)) { |
| 2997 | cxgb3_adapter_unofld(adapter); |
| 2998 | if (test_bit(OFFLOAD_DEVMAP_BIT, |
| 2999 | &adapter->open_device_map)) |
| 3000 | offload_close(&adapter->tdev); |
| 3001 | } |
| 3002 | |
Divy Le Ray | 67d92ab | 2007-11-16 11:21:50 -0800 | [diff] [blame] | 3003 | for_each_port(adapter, i) |
| 3004 | if (test_bit(i, &adapter->registered_device_map)) |
| 3005 | unregister_netdev(adapter->port[i]); |
| 3006 | |
Divy Le Ray | 0ca41c0 | 2008-09-25 14:05:28 +0000 | [diff] [blame] | 3007 | t3_stop_sge_timers(adapter); |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3008 | t3_free_sge_resources(adapter); |
| 3009 | cxgb_disable_msi(adapter); |
| 3010 | |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3011 | for_each_port(adapter, i) |
| 3012 | if (adapter->port[i]) |
| 3013 | free_netdev(adapter->port[i]); |
| 3014 | |
| 3015 | iounmap(adapter->regs); |
| 3016 | kfree(adapter); |
| 3017 | pci_release_regions(pdev); |
| 3018 | pci_disable_device(pdev); |
| 3019 | pci_set_drvdata(pdev, NULL); |
| 3020 | } |
| 3021 | } |
| 3022 | |
| 3023 | static struct pci_driver driver = { |
| 3024 | .name = DRV_NAME, |
| 3025 | .id_table = cxgb3_pci_tbl, |
| 3026 | .probe = init_one, |
| 3027 | .remove = __devexit_p(remove_one), |
Divy Le Ray | 91a6b50 | 2007-11-16 11:21:55 -0800 | [diff] [blame] | 3028 | .err_handler = &t3_err_handler, |
Divy Le Ray | 4d22de3 | 2007-01-18 22:04:14 -0500 | [diff] [blame] | 3029 | }; |
| 3030 | |
| 3031 | static int __init cxgb3_init_module(void) |
| 3032 | { |
| 3033 | int ret; |
| 3034 | |
| 3035 | cxgb3_offload_init(); |
| 3036 | |
| 3037 | ret = pci_register_driver(&driver); |
| 3038 | return ret; |
| 3039 | } |
| 3040 | |
| 3041 | static void __exit cxgb3_cleanup_module(void) |
| 3042 | { |
| 3043 | pci_unregister_driver(&driver); |
| 3044 | if (cxgb3_wq) |
| 3045 | destroy_workqueue(cxgb3_wq); |
| 3046 | } |
| 3047 | |
| 3048 | module_init(cxgb3_init_module); |
| 3049 | module_exit(cxgb3_cleanup_module); |