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4d22de3e | 1 | /* |
a02d44a0 | 2 | * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. |
4d22de3e | 3 | * |
1d68e93d DLR |
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: | |
4d22de3e | 9 | * |
1d68e93d DLR |
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. | |
4d22de3e | 31 | */ |
428ac43f JP |
32 | |
33 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
34 | ||
4d22de3e DLR |
35 | #include <linux/module.h> |
36 | #include <linux/moduleparam.h> | |
37 | #include <linux/init.h> | |
38 | #include <linux/pci.h> | |
39 | #include <linux/dma-mapping.h> | |
40 | #include <linux/netdevice.h> | |
41 | #include <linux/etherdevice.h> | |
42 | #include <linux/if_vlan.h> | |
0f07c4ee | 43 | #include <linux/mdio.h> |
4d22de3e DLR |
44 | #include <linux/sockios.h> |
45 | #include <linux/workqueue.h> | |
46 | #include <linux/proc_fs.h> | |
47 | #include <linux/rtnetlink.h> | |
2e283962 | 48 | #include <linux/firmware.h> |
d9da466a | 49 | #include <linux/log2.h> |
34336ec0 | 50 | #include <linux/stringify.h> |
e998f245 | 51 | #include <linux/sched.h> |
5a0e3ad6 | 52 | #include <linux/slab.h> |
7c0f6ba6 | 53 | #include <linux/uaccess.h> |
4d22de3e DLR |
54 | |
55 | #include "common.h" | |
56 | #include "cxgb3_ioctl.h" | |
57 | #include "regs.h" | |
58 | #include "cxgb3_offload.h" | |
59 | #include "version.h" | |
60 | ||
61 | #include "cxgb3_ctl_defs.h" | |
62 | #include "t3_cpl.h" | |
63 | #include "firmware_exports.h" | |
64 | ||
65 | enum { | |
66 | MAX_TXQ_ENTRIES = 16384, | |
67 | MAX_CTRL_TXQ_ENTRIES = 1024, | |
68 | MAX_RSPQ_ENTRIES = 16384, | |
69 | MAX_RX_BUFFERS = 16384, | |
70 | MAX_RX_JUMBO_BUFFERS = 16384, | |
71 | MIN_TXQ_ENTRIES = 4, | |
72 | MIN_CTRL_TXQ_ENTRIES = 4, | |
73 | MIN_RSPQ_ENTRIES = 32, | |
74 | MIN_FL_ENTRIES = 32 | |
75 | }; | |
76 | ||
77 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
78 | ||
79 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
80 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
81 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
82 | ||
83 | #define EEPROM_MAGIC 0x38E2F10C | |
84 | ||
678771d6 DLR |
85 | #define CH_DEVICE(devid, idx) \ |
86 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } | |
4d22de3e | 87 | |
9baa3c34 | 88 | static const struct pci_device_id cxgb3_pci_tbl[] = { |
678771d6 DLR |
89 | CH_DEVICE(0x20, 0), /* PE9000 */ |
90 | CH_DEVICE(0x21, 1), /* T302E */ | |
91 | CH_DEVICE(0x22, 2), /* T310E */ | |
92 | CH_DEVICE(0x23, 3), /* T320X */ | |
93 | CH_DEVICE(0x24, 1), /* T302X */ | |
94 | CH_DEVICE(0x25, 3), /* T320E */ | |
95 | CH_DEVICE(0x26, 2), /* T310X */ | |
96 | CH_DEVICE(0x30, 2), /* T3B10 */ | |
97 | CH_DEVICE(0x31, 3), /* T3B20 */ | |
98 | CH_DEVICE(0x32, 1), /* T3B02 */ | |
ce03aadd | 99 | CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ |
74451424 DLR |
100 | CH_DEVICE(0x36, 3), /* S320E-CR */ |
101 | CH_DEVICE(0x37, 7), /* N320E-G2 */ | |
4d22de3e DLR |
102 | {0,} |
103 | }; | |
104 | ||
105 | MODULE_DESCRIPTION(DRV_DESC); | |
106 | MODULE_AUTHOR("Chelsio Communications"); | |
1d68e93d | 107 | MODULE_LICENSE("Dual BSD/GPL"); |
4d22de3e DLR |
108 | MODULE_VERSION(DRV_VERSION); |
109 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); | |
110 | ||
111 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
112 | ||
113 | module_param(dflt_msg_enable, int, 0644); | |
114 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); | |
115 | ||
116 | /* | |
117 | * The driver uses the best interrupt scheme available on a platform in the | |
118 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which | |
119 | * of these schemes the driver may consider as follows: | |
120 | * | |
121 | * msi = 2: choose from among all three options | |
122 | * msi = 1: only consider MSI and pin interrupts | |
123 | * msi = 0: force pin interrupts | |
124 | */ | |
125 | static int msi = 2; | |
126 | ||
127 | module_param(msi, int, 0644); | |
128 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); | |
129 | ||
130 | /* | |
131 | * The driver enables offload as a default. | |
132 | * To disable it, use ofld_disable = 1. | |
133 | */ | |
134 | ||
135 | static int ofld_disable = 0; | |
136 | ||
137 | module_param(ofld_disable, int, 0644); | |
138 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); | |
139 | ||
140 | /* | |
141 | * We have work elements that we need to cancel when an interface is taken | |
142 | * down. Normally the work elements would be executed by keventd but that | |
143 | * can deadlock because of linkwatch. If our close method takes the rtnl | |
144 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch | |
145 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting | |
146 | * for our work to complete. Get our own work queue to solve this. | |
147 | */ | |
e998f245 | 148 | struct workqueue_struct *cxgb3_wq; |
4d22de3e DLR |
149 | |
150 | /** | |
151 | * link_report - show link status and link speed/duplex | |
152 | * @p: the port whose settings are to be reported | |
153 | * | |
154 | * Shows the link status, speed, and duplex of a port. | |
155 | */ | |
156 | static void link_report(struct net_device *dev) | |
157 | { | |
158 | if (!netif_carrier_ok(dev)) | |
428ac43f | 159 | netdev_info(dev, "link down\n"); |
4d22de3e DLR |
160 | else { |
161 | const char *s = "10Mbps"; | |
162 | const struct port_info *p = netdev_priv(dev); | |
163 | ||
164 | switch (p->link_config.speed) { | |
165 | case SPEED_10000: | |
166 | s = "10Gbps"; | |
167 | break; | |
168 | case SPEED_1000: | |
169 | s = "1000Mbps"; | |
170 | break; | |
171 | case SPEED_100: | |
172 | s = "100Mbps"; | |
173 | break; | |
174 | } | |
175 | ||
428ac43f JP |
176 | netdev_info(dev, "link up, %s, %s-duplex\n", |
177 | s, p->link_config.duplex == DUPLEX_FULL | |
178 | ? "full" : "half"); | |
4d22de3e DLR |
179 | } |
180 | } | |
181 | ||
34701fde DLR |
182 | static void enable_tx_fifo_drain(struct adapter *adapter, |
183 | struct port_info *pi) | |
184 | { | |
185 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, 0, | |
186 | F_ENDROPPKT); | |
187 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, 0); | |
188 | t3_write_reg(adapter, A_XGM_TX_CTRL + pi->mac.offset, F_TXEN); | |
189 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, F_RXEN); | |
190 | } | |
191 | ||
192 | static void disable_tx_fifo_drain(struct adapter *adapter, | |
193 | struct port_info *pi) | |
194 | { | |
195 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, | |
196 | F_ENDROPPKT, 0); | |
197 | } | |
198 | ||
bf792094 DLR |
199 | void t3_os_link_fault(struct adapter *adap, int port_id, int state) |
200 | { | |
201 | struct net_device *dev = adap->port[port_id]; | |
202 | struct port_info *pi = netdev_priv(dev); | |
203 | ||
204 | if (state == netif_carrier_ok(dev)) | |
205 | return; | |
206 | ||
207 | if (state) { | |
208 | struct cmac *mac = &pi->mac; | |
209 | ||
210 | netif_carrier_on(dev); | |
211 | ||
34701fde DLR |
212 | disable_tx_fifo_drain(adap, pi); |
213 | ||
bf792094 DLR |
214 | /* Clear local faults */ |
215 | t3_xgm_intr_disable(adap, pi->port_id); | |
216 | t3_read_reg(adap, A_XGM_INT_STATUS + | |
217 | pi->mac.offset); | |
218 | t3_write_reg(adap, | |
219 | A_XGM_INT_CAUSE + pi->mac.offset, | |
220 | F_XGM_INT); | |
221 | ||
222 | t3_set_reg_field(adap, | |
223 | A_XGM_INT_ENABLE + | |
224 | pi->mac.offset, | |
225 | F_XGM_INT, F_XGM_INT); | |
226 | t3_xgm_intr_enable(adap, pi->port_id); | |
227 | ||
228 | t3_mac_enable(mac, MAC_DIRECTION_TX); | |
34701fde | 229 | } else { |
bf792094 DLR |
230 | netif_carrier_off(dev); |
231 | ||
34701fde DLR |
232 | /* Flush TX FIFO */ |
233 | enable_tx_fifo_drain(adap, pi); | |
234 | } | |
bf792094 DLR |
235 | link_report(dev); |
236 | } | |
237 | ||
4d22de3e DLR |
238 | /** |
239 | * t3_os_link_changed - handle link status changes | |
240 | * @adapter: the adapter associated with the link change | |
241 | * @port_id: the port index whose limk status has changed | |
242 | * @link_stat: the new status of the link | |
243 | * @speed: the new speed setting | |
244 | * @duplex: the new duplex setting | |
245 | * @pause: the new flow-control setting | |
246 | * | |
247 | * This is the OS-dependent handler for link status changes. The OS | |
248 | * neutral handler takes care of most of the processing for these events, | |
249 | * then calls this handler for any OS-specific processing. | |
250 | */ | |
251 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
252 | int speed, int duplex, int pause) | |
253 | { | |
254 | struct net_device *dev = adapter->port[port_id]; | |
6d6dabac DLR |
255 | struct port_info *pi = netdev_priv(dev); |
256 | struct cmac *mac = &pi->mac; | |
4d22de3e DLR |
257 | |
258 | /* Skip changes from disabled ports. */ | |
259 | if (!netif_running(dev)) | |
260 | return; | |
261 | ||
262 | if (link_stat != netif_carrier_ok(dev)) { | |
6d6dabac | 263 | if (link_stat) { |
34701fde DLR |
264 | disable_tx_fifo_drain(adapter, pi); |
265 | ||
59cf8107 | 266 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
bf792094 DLR |
267 | |
268 | /* Clear local faults */ | |
269 | t3_xgm_intr_disable(adapter, pi->port_id); | |
270 | t3_read_reg(adapter, A_XGM_INT_STATUS + | |
271 | pi->mac.offset); | |
272 | t3_write_reg(adapter, | |
273 | A_XGM_INT_CAUSE + pi->mac.offset, | |
274 | F_XGM_INT); | |
275 | ||
276 | t3_set_reg_field(adapter, | |
277 | A_XGM_INT_ENABLE + pi->mac.offset, | |
278 | F_XGM_INT, F_XGM_INT); | |
279 | t3_xgm_intr_enable(adapter, pi->port_id); | |
280 | ||
4d22de3e | 281 | netif_carrier_on(dev); |
6d6dabac | 282 | } else { |
4d22de3e | 283 | netif_carrier_off(dev); |
bf792094 DLR |
284 | |
285 | t3_xgm_intr_disable(adapter, pi->port_id); | |
286 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
287 | t3_set_reg_field(adapter, | |
288 | A_XGM_INT_ENABLE + pi->mac.offset, | |
289 | F_XGM_INT, 0); | |
290 | ||
291 | if (is_10G(adapter)) | |
292 | pi->phy.ops->power_down(&pi->phy, 1); | |
293 | ||
294 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
59cf8107 DLR |
295 | t3_mac_disable(mac, MAC_DIRECTION_RX); |
296 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
34701fde DLR |
297 | |
298 | /* Flush TX FIFO */ | |
299 | enable_tx_fifo_drain(adapter, pi); | |
6d6dabac DLR |
300 | } |
301 | ||
4d22de3e DLR |
302 | link_report(dev); |
303 | } | |
304 | } | |
305 | ||
1e882025 DLR |
306 | /** |
307 | * t3_os_phymod_changed - handle PHY module changes | |
308 | * @phy: the PHY reporting the module change | |
309 | * @mod_type: new module type | |
310 | * | |
311 | * This is the OS-dependent handler for PHY module changes. It is | |
312 | * invoked when a PHY module is removed or inserted for any OS-specific | |
313 | * processing. | |
314 | */ | |
315 | void t3_os_phymod_changed(struct adapter *adap, int port_id) | |
316 | { | |
317 | static const char *mod_str[] = { | |
318 | NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" | |
319 | }; | |
320 | ||
321 | const struct net_device *dev = adap->port[port_id]; | |
322 | const struct port_info *pi = netdev_priv(dev); | |
323 | ||
324 | if (pi->phy.modtype == phy_modtype_none) | |
428ac43f | 325 | netdev_info(dev, "PHY module unplugged\n"); |
1e882025 | 326 | else |
428ac43f JP |
327 | netdev_info(dev, "%s PHY module inserted\n", |
328 | mod_str[pi->phy.modtype]); | |
1e882025 DLR |
329 | } |
330 | ||
4d22de3e DLR |
331 | static void cxgb_set_rxmode(struct net_device *dev) |
332 | { | |
4d22de3e DLR |
333 | struct port_info *pi = netdev_priv(dev); |
334 | ||
0988d269 | 335 | t3_mac_set_rx_mode(&pi->mac, dev); |
4d22de3e DLR |
336 | } |
337 | ||
338 | /** | |
339 | * link_start - enable a port | |
340 | * @dev: the device to enable | |
341 | * | |
342 | * Performs the MAC and PHY actions needed to enable a port. | |
343 | */ | |
344 | static void link_start(struct net_device *dev) | |
345 | { | |
4d22de3e DLR |
346 | struct port_info *pi = netdev_priv(dev); |
347 | struct cmac *mac = &pi->mac; | |
348 | ||
4d22de3e | 349 | t3_mac_reset(mac); |
f14d42f3 | 350 | t3_mac_set_num_ucast(mac, MAX_MAC_IDX); |
4d22de3e | 351 | t3_mac_set_mtu(mac, dev->mtu); |
f14d42f3 KX |
352 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
353 | t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr); | |
0988d269 | 354 | t3_mac_set_rx_mode(mac, dev); |
4d22de3e DLR |
355 | t3_link_start(&pi->phy, mac, &pi->link_config); |
356 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
357 | } | |
358 | ||
359 | static inline void cxgb_disable_msi(struct adapter *adapter) | |
360 | { | |
361 | if (adapter->flags & USING_MSIX) { | |
362 | pci_disable_msix(adapter->pdev); | |
363 | adapter->flags &= ~USING_MSIX; | |
364 | } else if (adapter->flags & USING_MSI) { | |
365 | pci_disable_msi(adapter->pdev); | |
366 | adapter->flags &= ~USING_MSI; | |
367 | } | |
368 | } | |
369 | ||
370 | /* | |
371 | * Interrupt handler for asynchronous events used with MSI-X. | |
372 | */ | |
373 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) | |
374 | { | |
375 | t3_slow_intr_handler(cookie); | |
376 | return IRQ_HANDLED; | |
377 | } | |
378 | ||
379 | /* | |
380 | * Name the MSI-X interrupts. | |
381 | */ | |
382 | static void name_msix_vecs(struct adapter *adap) | |
383 | { | |
384 | int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; | |
385 | ||
386 | snprintf(adap->msix_info[0].desc, n, "%s", adap->name); | |
387 | adap->msix_info[0].desc[n] = 0; | |
388 | ||
389 | for_each_port(adap, j) { | |
390 | struct net_device *d = adap->port[j]; | |
391 | const struct port_info *pi = netdev_priv(d); | |
392 | ||
393 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { | |
394 | snprintf(adap->msix_info[msi_idx].desc, n, | |
8c263761 | 395 | "%s-%d", d->name, pi->first_qset + i); |
4d22de3e DLR |
396 | adap->msix_info[msi_idx].desc[n] = 0; |
397 | } | |
8c263761 | 398 | } |
4d22de3e DLR |
399 | } |
400 | ||
401 | static int request_msix_data_irqs(struct adapter *adap) | |
402 | { | |
403 | int i, j, err, qidx = 0; | |
404 | ||
405 | for_each_port(adap, i) { | |
406 | int nqsets = adap2pinfo(adap, i)->nqsets; | |
407 | ||
408 | for (j = 0; j < nqsets; ++j) { | |
409 | err = request_irq(adap->msix_info[qidx + 1].vec, | |
410 | t3_intr_handler(adap, | |
411 | adap->sge.qs[qidx]. | |
412 | rspq.polling), 0, | |
413 | adap->msix_info[qidx + 1].desc, | |
414 | &adap->sge.qs[qidx]); | |
415 | if (err) { | |
416 | while (--qidx >= 0) | |
417 | free_irq(adap->msix_info[qidx + 1].vec, | |
418 | &adap->sge.qs[qidx]); | |
419 | return err; | |
420 | } | |
421 | qidx++; | |
422 | } | |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
8c263761 DLR |
427 | static void free_irq_resources(struct adapter *adapter) |
428 | { | |
429 | if (adapter->flags & USING_MSIX) { | |
430 | int i, n = 0; | |
431 | ||
432 | free_irq(adapter->msix_info[0].vec, adapter); | |
433 | for_each_port(adapter, i) | |
5cda9364 | 434 | n += adap2pinfo(adapter, i)->nqsets; |
8c263761 DLR |
435 | |
436 | for (i = 0; i < n; ++i) | |
437 | free_irq(adapter->msix_info[i + 1].vec, | |
438 | &adapter->sge.qs[i]); | |
439 | } else | |
440 | free_irq(adapter->pdev->irq, adapter); | |
441 | } | |
442 | ||
b881955b DLR |
443 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
444 | unsigned long n) | |
445 | { | |
e95ef5d3 | 446 | int attempts = 10; |
b881955b DLR |
447 | |
448 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { | |
449 | if (!--attempts) | |
450 | return -ETIMEDOUT; | |
451 | msleep(10); | |
452 | } | |
453 | return 0; | |
454 | } | |
455 | ||
456 | static int init_tp_parity(struct adapter *adap) | |
457 | { | |
458 | int i; | |
459 | struct sk_buff *skb; | |
460 | struct cpl_set_tcb_field *greq; | |
461 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; | |
462 | ||
463 | t3_tp_set_offload_mode(adap, 1); | |
464 | ||
465 | for (i = 0; i < 16; i++) { | |
466 | struct cpl_smt_write_req *req; | |
467 | ||
74b793e1 DLR |
468 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
469 | if (!skb) | |
470 | skb = adap->nofail_skb; | |
471 | if (!skb) | |
472 | goto alloc_skb_fail; | |
473 | ||
4df864c1 | 474 | req = __skb_put(skb, sizeof(*req)); |
b881955b DLR |
475 | memset(req, 0, sizeof(*req)); |
476 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
477 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); | |
dce7d1d0 | 478 | req->mtu_idx = NMTUS - 1; |
b881955b DLR |
479 | req->iff = i; |
480 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
481 | if (skb == adap->nofail_skb) { |
482 | await_mgmt_replies(adap, cnt, i + 1); | |
483 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
484 | if (!adap->nofail_skb) | |
485 | goto alloc_skb_fail; | |
486 | } | |
b881955b DLR |
487 | } |
488 | ||
489 | for (i = 0; i < 2048; i++) { | |
490 | struct cpl_l2t_write_req *req; | |
491 | ||
74b793e1 DLR |
492 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
493 | if (!skb) | |
494 | skb = adap->nofail_skb; | |
495 | if (!skb) | |
496 | goto alloc_skb_fail; | |
497 | ||
4df864c1 | 498 | req = __skb_put(skb, sizeof(*req)); |
b881955b DLR |
499 | memset(req, 0, sizeof(*req)); |
500 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
501 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); | |
502 | req->params = htonl(V_L2T_W_IDX(i)); | |
503 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
504 | if (skb == adap->nofail_skb) { |
505 | await_mgmt_replies(adap, cnt, 16 + i + 1); | |
506 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
507 | if (!adap->nofail_skb) | |
508 | goto alloc_skb_fail; | |
509 | } | |
b881955b DLR |
510 | } |
511 | ||
512 | for (i = 0; i < 2048; i++) { | |
513 | struct cpl_rte_write_req *req; | |
514 | ||
74b793e1 DLR |
515 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
516 | if (!skb) | |
517 | skb = adap->nofail_skb; | |
518 | if (!skb) | |
519 | goto alloc_skb_fail; | |
520 | ||
4df864c1 | 521 | req = __skb_put(skb, sizeof(*req)); |
b881955b DLR |
522 | memset(req, 0, sizeof(*req)); |
523 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
524 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); | |
525 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); | |
526 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
527 | if (skb == adap->nofail_skb) { |
528 | await_mgmt_replies(adap, cnt, 16 + 2048 + i + 1); | |
529 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
530 | if (!adap->nofail_skb) | |
531 | goto alloc_skb_fail; | |
532 | } | |
b881955b DLR |
533 | } |
534 | ||
74b793e1 DLR |
535 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
536 | if (!skb) | |
537 | skb = adap->nofail_skb; | |
538 | if (!skb) | |
539 | goto alloc_skb_fail; | |
540 | ||
4df864c1 | 541 | greq = __skb_put(skb, sizeof(*greq)); |
b881955b DLR |
542 | memset(greq, 0, sizeof(*greq)); |
543 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
544 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); | |
545 | greq->mask = cpu_to_be64(1); | |
546 | t3_mgmt_tx(adap, skb); | |
547 | ||
548 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
74b793e1 DLR |
549 | if (skb == adap->nofail_skb) { |
550 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
551 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
552 | } | |
553 | ||
b881955b DLR |
554 | t3_tp_set_offload_mode(adap, 0); |
555 | return i; | |
74b793e1 DLR |
556 | |
557 | alloc_skb_fail: | |
558 | t3_tp_set_offload_mode(adap, 0); | |
559 | return -ENOMEM; | |
b881955b DLR |
560 | } |
561 | ||
4d22de3e DLR |
562 | /** |
563 | * setup_rss - configure RSS | |
564 | * @adap: the adapter | |
565 | * | |
566 | * Sets up RSS to distribute packets to multiple receive queues. We | |
567 | * configure the RSS CPU lookup table to distribute to the number of HW | |
568 | * receive queues, and the response queue lookup table to narrow that | |
569 | * down to the response queues actually configured for each port. | |
570 | * We always configure the RSS mapping for two ports since the mapping | |
571 | * table has plenty of entries. | |
572 | */ | |
573 | static void setup_rss(struct adapter *adap) | |
574 | { | |
575 | int i; | |
576 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; | |
577 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; | |
578 | u8 cpus[SGE_QSETS + 1]; | |
0b86a2a1 | 579 | u16 rspq_map[RSS_TABLE_SIZE + 1]; |
4d22de3e DLR |
580 | |
581 | for (i = 0; i < SGE_QSETS; ++i) | |
582 | cpus[i] = i; | |
583 | cpus[SGE_QSETS] = 0xff; /* terminator */ | |
584 | ||
585 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { | |
586 | rspq_map[i] = i % nq0; | |
587 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; | |
588 | } | |
0b86a2a1 | 589 | rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */ |
4d22de3e DLR |
590 | |
591 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | | |
592 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | | |
a2604be5 | 593 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
4d22de3e DLR |
594 | } |
595 | ||
e998f245 SW |
596 | static void ring_dbs(struct adapter *adap) |
597 | { | |
598 | int i, j; | |
599 | ||
600 | for (i = 0; i < SGE_QSETS; i++) { | |
601 | struct sge_qset *qs = &adap->sge.qs[i]; | |
602 | ||
603 | if (qs->adap) | |
604 | for (j = 0; j < SGE_TXQ_PER_SET; j++) | |
605 | t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id)); | |
606 | } | |
607 | } | |
608 | ||
bea3348e | 609 | static void init_napi(struct adapter *adap) |
4d22de3e | 610 | { |
bea3348e | 611 | int i; |
4d22de3e | 612 | |
bea3348e SH |
613 | for (i = 0; i < SGE_QSETS; i++) { |
614 | struct sge_qset *qs = &adap->sge.qs[i]; | |
4d22de3e | 615 | |
bea3348e SH |
616 | if (qs->adap) |
617 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, | |
618 | 64); | |
4d22de3e | 619 | } |
48c4b6db DLR |
620 | |
621 | /* | |
622 | * netif_napi_add() can be called only once per napi_struct because it | |
623 | * adds each new napi_struct to a list. Be careful not to call it a | |
624 | * second time, e.g., during EEH recovery, by making a note of it. | |
625 | */ | |
626 | adap->flags |= NAPI_INIT; | |
4d22de3e DLR |
627 | } |
628 | ||
629 | /* | |
630 | * Wait until all NAPI handlers are descheduled. This includes the handlers of | |
631 | * both netdevices representing interfaces and the dummy ones for the extra | |
632 | * queues. | |
633 | */ | |
634 | static void quiesce_rx(struct adapter *adap) | |
635 | { | |
636 | int i; | |
4d22de3e | 637 | |
bea3348e SH |
638 | for (i = 0; i < SGE_QSETS; i++) |
639 | if (adap->sge.qs[i].adap) | |
640 | napi_disable(&adap->sge.qs[i].napi); | |
641 | } | |
4d22de3e | 642 | |
bea3348e SH |
643 | static void enable_all_napi(struct adapter *adap) |
644 | { | |
645 | int i; | |
646 | for (i = 0; i < SGE_QSETS; i++) | |
647 | if (adap->sge.qs[i].adap) | |
648 | napi_enable(&adap->sge.qs[i].napi); | |
4d22de3e DLR |
649 | } |
650 | ||
651 | /** | |
652 | * setup_sge_qsets - configure SGE Tx/Rx/response queues | |
653 | * @adap: the adapter | |
654 | * | |
655 | * Determines how many sets of SGE queues to use and initializes them. | |
656 | * We support multiple queue sets per port if we have MSI-X, otherwise | |
657 | * just one queue set per port. | |
658 | */ | |
659 | static int setup_sge_qsets(struct adapter *adap) | |
660 | { | |
bea3348e | 661 | int i, j, err, irq_idx = 0, qset_idx = 0; |
8ac3ba68 | 662 | unsigned int ntxq = SGE_TXQ_PER_SET; |
4d22de3e DLR |
663 | |
664 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) | |
665 | irq_idx = -1; | |
666 | ||
667 | for_each_port(adap, i) { | |
668 | struct net_device *dev = adap->port[i]; | |
bea3348e | 669 | struct port_info *pi = netdev_priv(dev); |
4d22de3e | 670 | |
bea3348e | 671 | pi->qs = &adap->sge.qs[pi->first_qset]; |
e594e96e | 672 | for (j = 0; j < pi->nqsets; ++j, ++qset_idx) { |
4d22de3e DLR |
673 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
674 | (adap->flags & USING_MSIX) ? qset_idx + 1 : | |
675 | irq_idx, | |
82ad3329 DLR |
676 | &adap->params.sge.qset[qset_idx], ntxq, dev, |
677 | netdev_get_tx_queue(dev, j)); | |
4d22de3e DLR |
678 | if (err) { |
679 | t3_free_sge_resources(adap); | |
680 | return err; | |
681 | } | |
682 | } | |
683 | } | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
3e5192ee | 688 | static ssize_t attr_show(struct device *d, char *buf, |
896392ef | 689 | ssize_t(*format) (struct net_device *, char *)) |
4d22de3e DLR |
690 | { |
691 | ssize_t len; | |
4d22de3e DLR |
692 | |
693 | /* Synchronize with ioctls that may shut down the device */ | |
694 | rtnl_lock(); | |
896392ef | 695 | len = (*format) (to_net_dev(d), buf); |
4d22de3e DLR |
696 | rtnl_unlock(); |
697 | return len; | |
698 | } | |
699 | ||
3e5192ee | 700 | static ssize_t attr_store(struct device *d, |
0ee8d33c | 701 | const char *buf, size_t len, |
896392ef | 702 | ssize_t(*set) (struct net_device *, unsigned int), |
4d22de3e DLR |
703 | unsigned int min_val, unsigned int max_val) |
704 | { | |
4d22de3e DLR |
705 | ssize_t ret; |
706 | unsigned int val; | |
4d22de3e DLR |
707 | |
708 | if (!capable(CAP_NET_ADMIN)) | |
709 | return -EPERM; | |
710 | ||
e72c932d LC |
711 | ret = kstrtouint(buf, 0, &val); |
712 | if (ret) | |
713 | return ret; | |
714 | if (val < min_val || val > max_val) | |
4d22de3e DLR |
715 | return -EINVAL; |
716 | ||
717 | rtnl_lock(); | |
896392ef | 718 | ret = (*set) (to_net_dev(d), val); |
4d22de3e DLR |
719 | if (!ret) |
720 | ret = len; | |
721 | rtnl_unlock(); | |
722 | return ret; | |
723 | } | |
724 | ||
725 | #define CXGB3_SHOW(name, val_expr) \ | |
896392ef | 726 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
4d22de3e | 727 | { \ |
5fbf816f DLR |
728 | struct port_info *pi = netdev_priv(dev); \ |
729 | struct adapter *adap = pi->adapter; \ | |
4d22de3e DLR |
730 | return sprintf(buf, "%u\n", val_expr); \ |
731 | } \ | |
0ee8d33c DLR |
732 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
733 | char *buf) \ | |
4d22de3e | 734 | { \ |
3e5192ee | 735 | return attr_show(d, buf, format_##name); \ |
4d22de3e DLR |
736 | } |
737 | ||
896392ef | 738 | static ssize_t set_nfilters(struct net_device *dev, unsigned int val) |
4d22de3e | 739 | { |
5fbf816f DLR |
740 | struct port_info *pi = netdev_priv(dev); |
741 | struct adapter *adap = pi->adapter; | |
9f238486 | 742 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
896392ef | 743 | |
4d22de3e DLR |
744 | if (adap->flags & FULL_INIT_DONE) |
745 | return -EBUSY; | |
746 | if (val && adap->params.rev == 0) | |
747 | return -EINVAL; | |
9f238486 DLR |
748 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
749 | min_tids) | |
4d22de3e DLR |
750 | return -EINVAL; |
751 | adap->params.mc5.nfilters = val; | |
752 | return 0; | |
753 | } | |
754 | ||
0ee8d33c DLR |
755 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
756 | const char *buf, size_t len) | |
4d22de3e | 757 | { |
3e5192ee | 758 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
4d22de3e DLR |
759 | } |
760 | ||
896392ef | 761 | static ssize_t set_nservers(struct net_device *dev, unsigned int val) |
4d22de3e | 762 | { |
5fbf816f DLR |
763 | struct port_info *pi = netdev_priv(dev); |
764 | struct adapter *adap = pi->adapter; | |
896392ef | 765 | |
4d22de3e DLR |
766 | if (adap->flags & FULL_INIT_DONE) |
767 | return -EBUSY; | |
9f238486 DLR |
768 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
769 | MC5_MIN_TIDS) | |
4d22de3e DLR |
770 | return -EINVAL; |
771 | adap->params.mc5.nservers = val; | |
772 | return 0; | |
773 | } | |
774 | ||
0ee8d33c DLR |
775 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
776 | const char *buf, size_t len) | |
4d22de3e | 777 | { |
3e5192ee | 778 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
4d22de3e DLR |
779 | } |
780 | ||
781 | #define CXGB3_ATTR_R(name, val_expr) \ | |
782 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 783 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) |
4d22de3e DLR |
784 | |
785 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ | |
786 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 787 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method) |
4d22de3e DLR |
788 | |
789 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); | |
790 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); | |
791 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); | |
792 | ||
793 | static struct attribute *cxgb3_attrs[] = { | |
0ee8d33c DLR |
794 | &dev_attr_cam_size.attr, |
795 | &dev_attr_nfilters.attr, | |
796 | &dev_attr_nservers.attr, | |
4d22de3e DLR |
797 | NULL |
798 | }; | |
799 | ||
800 | static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; | |
801 | ||
3e5192ee | 802 | static ssize_t tm_attr_show(struct device *d, |
0ee8d33c | 803 | char *buf, int sched) |
4d22de3e | 804 | { |
5fbf816f DLR |
805 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
806 | struct adapter *adap = pi->adapter; | |
4d22de3e | 807 | unsigned int v, addr, bpt, cpt; |
5fbf816f | 808 | ssize_t len; |
4d22de3e DLR |
809 | |
810 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; | |
811 | rtnl_lock(); | |
812 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); | |
813 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); | |
814 | if (sched & 1) | |
815 | v >>= 16; | |
816 | bpt = (v >> 8) & 0xff; | |
817 | cpt = v & 0xff; | |
818 | if (!cpt) | |
819 | len = sprintf(buf, "disabled\n"); | |
820 | else { | |
821 | v = (adap->params.vpd.cclk * 1000) / cpt; | |
822 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); | |
823 | } | |
824 | rtnl_unlock(); | |
825 | return len; | |
826 | } | |
827 | ||
3e5192ee | 828 | static ssize_t tm_attr_store(struct device *d, |
0ee8d33c | 829 | const char *buf, size_t len, int sched) |
4d22de3e | 830 | { |
5fbf816f DLR |
831 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
832 | struct adapter *adap = pi->adapter; | |
833 | unsigned int val; | |
4d22de3e | 834 | ssize_t ret; |
4d22de3e DLR |
835 | |
836 | if (!capable(CAP_NET_ADMIN)) | |
837 | return -EPERM; | |
838 | ||
e72c932d LC |
839 | ret = kstrtouint(buf, 0, &val); |
840 | if (ret) | |
841 | return ret; | |
842 | if (val > 10000000) | |
4d22de3e DLR |
843 | return -EINVAL; |
844 | ||
845 | rtnl_lock(); | |
846 | ret = t3_config_sched(adap, val, sched); | |
847 | if (!ret) | |
848 | ret = len; | |
849 | rtnl_unlock(); | |
850 | return ret; | |
851 | } | |
852 | ||
853 | #define TM_ATTR(name, sched) \ | |
0ee8d33c DLR |
854 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
855 | char *buf) \ | |
4d22de3e | 856 | { \ |
3e5192ee | 857 | return tm_attr_show(d, buf, sched); \ |
4d22de3e | 858 | } \ |
0ee8d33c DLR |
859 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
860 | const char *buf, size_t len) \ | |
4d22de3e | 861 | { \ |
3e5192ee | 862 | return tm_attr_store(d, buf, len, sched); \ |
4d22de3e | 863 | } \ |
0ee8d33c | 864 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name) |
4d22de3e DLR |
865 | |
866 | TM_ATTR(sched0, 0); | |
867 | TM_ATTR(sched1, 1); | |
868 | TM_ATTR(sched2, 2); | |
869 | TM_ATTR(sched3, 3); | |
870 | TM_ATTR(sched4, 4); | |
871 | TM_ATTR(sched5, 5); | |
872 | TM_ATTR(sched6, 6); | |
873 | TM_ATTR(sched7, 7); | |
874 | ||
875 | static struct attribute *offload_attrs[] = { | |
0ee8d33c DLR |
876 | &dev_attr_sched0.attr, |
877 | &dev_attr_sched1.attr, | |
878 | &dev_attr_sched2.attr, | |
879 | &dev_attr_sched3.attr, | |
880 | &dev_attr_sched4.attr, | |
881 | &dev_attr_sched5.attr, | |
882 | &dev_attr_sched6.attr, | |
883 | &dev_attr_sched7.attr, | |
4d22de3e DLR |
884 | NULL |
885 | }; | |
886 | ||
887 | static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; | |
888 | ||
889 | /* | |
890 | * Sends an sk_buff to an offload queue driver | |
891 | * after dealing with any active network taps. | |
892 | */ | |
893 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) | |
894 | { | |
895 | int ret; | |
896 | ||
897 | local_bh_disable(); | |
898 | ret = t3_offload_tx(tdev, skb); | |
899 | local_bh_enable(); | |
900 | return ret; | |
901 | } | |
902 | ||
903 | static int write_smt_entry(struct adapter *adapter, int idx) | |
904 | { | |
905 | struct cpl_smt_write_req *req; | |
f14d42f3 | 906 | struct port_info *pi = netdev_priv(adapter->port[idx]); |
4d22de3e DLR |
907 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
908 | ||
909 | if (!skb) | |
910 | return -ENOMEM; | |
911 | ||
4df864c1 | 912 | req = __skb_put(skb, sizeof(*req)); |
4d22de3e DLR |
913 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
914 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); | |
915 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ | |
916 | req->iff = idx; | |
4d22de3e | 917 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); |
f14d42f3 | 918 | memcpy(req->src_mac1, pi->iscsic.mac_addr, ETH_ALEN); |
4d22de3e DLR |
919 | skb->priority = 1; |
920 | offload_tx(&adapter->tdev, skb); | |
921 | return 0; | |
922 | } | |
923 | ||
924 | static int init_smt(struct adapter *adapter) | |
925 | { | |
926 | int i; | |
927 | ||
928 | for_each_port(adapter, i) | |
929 | write_smt_entry(adapter, i); | |
930 | return 0; | |
931 | } | |
932 | ||
933 | static void init_port_mtus(struct adapter *adapter) | |
934 | { | |
935 | unsigned int mtus = adapter->port[0]->mtu; | |
936 | ||
937 | if (adapter->port[1]) | |
938 | mtus |= adapter->port[1]->mtu << 16; | |
939 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); | |
940 | } | |
941 | ||
8c263761 | 942 | static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, |
14ab9892 DLR |
943 | int hi, int port) |
944 | { | |
945 | struct sk_buff *skb; | |
946 | struct mngt_pktsched_wr *req; | |
8c263761 | 947 | int ret; |
14ab9892 | 948 | |
74b793e1 DLR |
949 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
950 | if (!skb) | |
951 | skb = adap->nofail_skb; | |
952 | if (!skb) | |
953 | return -ENOMEM; | |
954 | ||
4df864c1 | 955 | req = skb_put(skb, sizeof(*req)); |
14ab9892 DLR |
956 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); |
957 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; | |
958 | req->sched = sched; | |
959 | req->idx = qidx; | |
960 | req->min = lo; | |
961 | req->max = hi; | |
962 | req->binding = port; | |
8c263761 | 963 | ret = t3_mgmt_tx(adap, skb); |
74b793e1 DLR |
964 | if (skb == adap->nofail_skb) { |
965 | adap->nofail_skb = alloc_skb(sizeof(struct cpl_set_tcb_field), | |
966 | GFP_KERNEL); | |
967 | if (!adap->nofail_skb) | |
968 | ret = -ENOMEM; | |
969 | } | |
8c263761 DLR |
970 | |
971 | return ret; | |
14ab9892 DLR |
972 | } |
973 | ||
8c263761 | 974 | static int bind_qsets(struct adapter *adap) |
14ab9892 | 975 | { |
8c263761 | 976 | int i, j, err = 0; |
14ab9892 DLR |
977 | |
978 | for_each_port(adap, i) { | |
979 | const struct port_info *pi = adap2pinfo(adap, i); | |
980 | ||
8c263761 DLR |
981 | for (j = 0; j < pi->nqsets; ++j) { |
982 | int ret = send_pktsched_cmd(adap, 1, | |
983 | pi->first_qset + j, -1, | |
984 | -1, i); | |
985 | if (ret) | |
986 | err = ret; | |
987 | } | |
14ab9892 | 988 | } |
8c263761 DLR |
989 | |
990 | return err; | |
14ab9892 DLR |
991 | } |
992 | ||
34336ec0 BH |
993 | #define FW_VERSION __stringify(FW_VERSION_MAJOR) "." \ |
994 | __stringify(FW_VERSION_MINOR) "." __stringify(FW_VERSION_MICRO) | |
995 | #define FW_FNAME "cxgb3/t3fw-" FW_VERSION ".bin" | |
996 | #define TPSRAM_VERSION __stringify(TP_VERSION_MAJOR) "." \ | |
997 | __stringify(TP_VERSION_MINOR) "." __stringify(TP_VERSION_MICRO) | |
998 | #define TPSRAM_NAME "cxgb3/t3%c_psram-" TPSRAM_VERSION ".bin" | |
2e8c07c3 DLR |
999 | #define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin" |
1000 | #define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin" | |
9450526a | 1001 | #define AEL2020_TWX_EDC_NAME "cxgb3/ael2020_twx_edc.bin" |
34336ec0 BH |
1002 | MODULE_FIRMWARE(FW_FNAME); |
1003 | MODULE_FIRMWARE("cxgb3/t3b_psram-" TPSRAM_VERSION ".bin"); | |
1004 | MODULE_FIRMWARE("cxgb3/t3c_psram-" TPSRAM_VERSION ".bin"); | |
1005 | MODULE_FIRMWARE(AEL2005_OPT_EDC_NAME); | |
1006 | MODULE_FIRMWARE(AEL2005_TWX_EDC_NAME); | |
1007 | MODULE_FIRMWARE(AEL2020_TWX_EDC_NAME); | |
2e8c07c3 DLR |
1008 | |
1009 | static inline const char *get_edc_fw_name(int edc_idx) | |
1010 | { | |
1011 | const char *fw_name = NULL; | |
1012 | ||
1013 | switch (edc_idx) { | |
1014 | case EDC_OPT_AEL2005: | |
1015 | fw_name = AEL2005_OPT_EDC_NAME; | |
1016 | break; | |
1017 | case EDC_TWX_AEL2005: | |
1018 | fw_name = AEL2005_TWX_EDC_NAME; | |
1019 | break; | |
1020 | case EDC_TWX_AEL2020: | |
1021 | fw_name = AEL2020_TWX_EDC_NAME; | |
1022 | break; | |
1023 | } | |
1024 | return fw_name; | |
1025 | } | |
1026 | ||
1027 | int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size) | |
1028 | { | |
1029 | struct adapter *adapter = phy->adapter; | |
1030 | const struct firmware *fw; | |
92a486ca | 1031 | const char *fw_name; |
2e8c07c3 DLR |
1032 | u32 csum; |
1033 | const __be32 *p; | |
1034 | u16 *cache = phy->phy_cache; | |
92a486ca | 1035 | int i, ret = -EINVAL; |
2e8c07c3 | 1036 | |
92a486ca KC |
1037 | fw_name = get_edc_fw_name(edc_idx); |
1038 | if (fw_name) | |
1039 | ret = request_firmware(&fw, fw_name, &adapter->pdev->dev); | |
2e8c07c3 DLR |
1040 | if (ret < 0) { |
1041 | dev_err(&adapter->pdev->dev, | |
1042 | "could not upgrade firmware: unable to load %s\n", | |
92a486ca | 1043 | fw_name); |
2e8c07c3 DLR |
1044 | return ret; |
1045 | } | |
1046 | ||
1047 | /* check size, take checksum in account */ | |
1048 | if (fw->size > size + 4) { | |
1049 | CH_ERR(adapter, "firmware image too large %u, expected %d\n", | |
1050 | (unsigned int)fw->size, size + 4); | |
1051 | ret = -EINVAL; | |
1052 | } | |
1053 | ||
1054 | /* compute checksum */ | |
1055 | p = (const __be32 *)fw->data; | |
1056 | for (csum = 0, i = 0; i < fw->size / sizeof(csum); i++) | |
1057 | csum += ntohl(p[i]); | |
1058 | ||
1059 | if (csum != 0xffffffff) { | |
1060 | CH_ERR(adapter, "corrupted firmware image, checksum %u\n", | |
1061 | csum); | |
1062 | ret = -EINVAL; | |
1063 | } | |
1064 | ||
1065 | for (i = 0; i < size / 4 ; i++) { | |
1066 | *cache++ = (be32_to_cpu(p[i]) & 0xffff0000) >> 16; | |
1067 | *cache++ = be32_to_cpu(p[i]) & 0xffff; | |
1068 | } | |
1069 | ||
1070 | release_firmware(fw); | |
1071 | ||
1072 | return ret; | |
1073 | } | |
2e283962 DLR |
1074 | |
1075 | static int upgrade_fw(struct adapter *adap) | |
1076 | { | |
1077 | int ret; | |
2e283962 DLR |
1078 | const struct firmware *fw; |
1079 | struct device *dev = &adap->pdev->dev; | |
1080 | ||
34336ec0 | 1081 | ret = request_firmware(&fw, FW_FNAME, dev); |
2e283962 DLR |
1082 | if (ret < 0) { |
1083 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", | |
34336ec0 | 1084 | FW_FNAME); |
2e283962 DLR |
1085 | return ret; |
1086 | } | |
1087 | ret = t3_load_fw(adap, fw->data, fw->size); | |
1088 | release_firmware(fw); | |
47330077 DLR |
1089 | |
1090 | if (ret == 0) | |
1091 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", | |
1092 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
1093 | else | |
1094 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", | |
1095 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
2eab17ab | 1096 | |
47330077 DLR |
1097 | return ret; |
1098 | } | |
1099 | ||
1100 | static inline char t3rev2char(struct adapter *adapter) | |
1101 | { | |
1102 | char rev = 0; | |
1103 | ||
1104 | switch(adapter->params.rev) { | |
1105 | case T3_REV_B: | |
1106 | case T3_REV_B2: | |
1107 | rev = 'b'; | |
1108 | break; | |
1aafee26 DLR |
1109 | case T3_REV_C: |
1110 | rev = 'c'; | |
1111 | break; | |
47330077 DLR |
1112 | } |
1113 | return rev; | |
1114 | } | |
1115 | ||
9265fabf | 1116 | static int update_tpsram(struct adapter *adap) |
47330077 DLR |
1117 | { |
1118 | const struct firmware *tpsram; | |
1119 | char buf[64]; | |
1120 | struct device *dev = &adap->pdev->dev; | |
1121 | int ret; | |
1122 | char rev; | |
2eab17ab | 1123 | |
47330077 DLR |
1124 | rev = t3rev2char(adap); |
1125 | if (!rev) | |
1126 | return 0; | |
1127 | ||
34336ec0 | 1128 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev); |
47330077 DLR |
1129 | |
1130 | ret = request_firmware(&tpsram, buf, dev); | |
1131 | if (ret < 0) { | |
1132 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", | |
1133 | buf); | |
1134 | return ret; | |
1135 | } | |
2eab17ab | 1136 | |
47330077 DLR |
1137 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
1138 | if (ret) | |
2eab17ab | 1139 | goto release_tpsram; |
47330077 DLR |
1140 | |
1141 | ret = t3_set_proto_sram(adap, tpsram->data); | |
1142 | if (ret == 0) | |
1143 | dev_info(dev, | |
1144 | "successful update of protocol engine " | |
1145 | "to %d.%d.%d\n", | |
1146 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
1147 | else | |
1148 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", | |
1149 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
1150 | if (ret) | |
1151 | dev_err(dev, "loading protocol SRAM failed\n"); | |
1152 | ||
1153 | release_tpsram: | |
1154 | release_firmware(tpsram); | |
2eab17ab | 1155 | |
2e283962 DLR |
1156 | return ret; |
1157 | } | |
1158 | ||
60158e64 RD |
1159 | /** |
1160 | * t3_synchronize_rx - wait for current Rx processing on a port to complete | |
1161 | * @adap: the adapter | |
1162 | * @p: the port | |
1163 | * | |
1164 | * Ensures that current Rx processing on any of the queues associated with | |
1165 | * the given port completes before returning. We do this by acquiring and | |
1166 | * releasing the locks of the response queues associated with the port. | |
1167 | */ | |
1168 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) | |
1169 | { | |
1170 | int i; | |
1171 | ||
1172 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { | |
1173 | struct sge_rspq *q = &adap->sge.qs[i].rspq; | |
1174 | ||
1175 | spin_lock_irq(&q->lock); | |
1176 | spin_unlock_irq(&q->lock); | |
1177 | } | |
1178 | } | |
1179 | ||
1180 | static void cxgb_vlan_mode(struct net_device *dev, netdev_features_t features) | |
1181 | { | |
1182 | struct port_info *pi = netdev_priv(dev); | |
1183 | struct adapter *adapter = pi->adapter; | |
1184 | ||
1185 | if (adapter->params.rev > 0) { | |
1186 | t3_set_vlan_accel(adapter, 1 << pi->port_id, | |
f646968f | 1187 | features & NETIF_F_HW_VLAN_CTAG_RX); |
60158e64 RD |
1188 | } else { |
1189 | /* single control for all ports */ | |
f646968f | 1190 | unsigned int i, have_vlans = features & NETIF_F_HW_VLAN_CTAG_RX; |
60158e64 RD |
1191 | |
1192 | for_each_port(adapter, i) | |
1193 | have_vlans |= | |
f646968f PM |
1194 | adapter->port[i]->features & |
1195 | NETIF_F_HW_VLAN_CTAG_RX; | |
60158e64 RD |
1196 | |
1197 | t3_set_vlan_accel(adapter, 1, have_vlans); | |
1198 | } | |
1199 | t3_synchronize_rx(adapter, pi); | |
1200 | } | |
1201 | ||
4d22de3e DLR |
1202 | /** |
1203 | * cxgb_up - enable the adapter | |
1204 | * @adapter: adapter being enabled | |
1205 | * | |
1206 | * Called when the first port is enabled, this function performs the | |
1207 | * actions necessary to make an adapter operational, such as completing | |
1208 | * the initialization of HW modules, and enabling interrupts. | |
1209 | * | |
1210 | * Must be called with the rtnl lock held. | |
1211 | */ | |
1212 | static int cxgb_up(struct adapter *adap) | |
1213 | { | |
60158e64 | 1214 | int i, err; |
4d22de3e DLR |
1215 | |
1216 | if (!(adap->flags & FULL_INIT_DONE)) { | |
8207befa | 1217 | err = t3_check_fw_version(adap); |
a5a3b460 | 1218 | if (err == -EINVAL) { |
2e283962 | 1219 | err = upgrade_fw(adap); |
8207befa DLR |
1220 | CH_WARN(adap, "FW upgrade to %d.%d.%d %s\n", |
1221 | FW_VERSION_MAJOR, FW_VERSION_MINOR, | |
1222 | FW_VERSION_MICRO, err ? "failed" : "succeeded"); | |
a5a3b460 | 1223 | } |
4d22de3e | 1224 | |
8207befa | 1225 | err = t3_check_tpsram_version(adap); |
47330077 DLR |
1226 | if (err == -EINVAL) { |
1227 | err = update_tpsram(adap); | |
8207befa DLR |
1228 | CH_WARN(adap, "TP upgrade to %d.%d.%d %s\n", |
1229 | TP_VERSION_MAJOR, TP_VERSION_MINOR, | |
1230 | TP_VERSION_MICRO, err ? "failed" : "succeeded"); | |
47330077 DLR |
1231 | } |
1232 | ||
20d3fc11 DLR |
1233 | /* |
1234 | * Clear interrupts now to catch errors if t3_init_hw fails. | |
1235 | * We clear them again later as initialization may trigger | |
1236 | * conditions that can interrupt. | |
1237 | */ | |
1238 | t3_intr_clear(adap); | |
1239 | ||
4d22de3e DLR |
1240 | err = t3_init_hw(adap, 0); |
1241 | if (err) | |
1242 | goto out; | |
1243 | ||
b881955b | 1244 | t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); |
6cdbd77e | 1245 | t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); |
bea3348e | 1246 | |
4d22de3e DLR |
1247 | err = setup_sge_qsets(adap); |
1248 | if (err) | |
1249 | goto out; | |
1250 | ||
60158e64 RD |
1251 | for_each_port(adap, i) |
1252 | cxgb_vlan_mode(adap->port[i], adap->port[i]->features); | |
1253 | ||
4d22de3e | 1254 | setup_rss(adap); |
48c4b6db DLR |
1255 | if (!(adap->flags & NAPI_INIT)) |
1256 | init_napi(adap); | |
31563789 DLR |
1257 | |
1258 | t3_start_sge_timers(adap); | |
4d22de3e DLR |
1259 | adap->flags |= FULL_INIT_DONE; |
1260 | } | |
1261 | ||
1262 | t3_intr_clear(adap); | |
1263 | ||
1264 | if (adap->flags & USING_MSIX) { | |
1265 | name_msix_vecs(adap); | |
1266 | err = request_irq(adap->msix_info[0].vec, | |
1267 | t3_async_intr_handler, 0, | |
1268 | adap->msix_info[0].desc, adap); | |
1269 | if (err) | |
1270 | goto irq_err; | |
1271 | ||
42256f57 DLR |
1272 | err = request_msix_data_irqs(adap); |
1273 | if (err) { | |
4d22de3e DLR |
1274 | free_irq(adap->msix_info[0].vec, adap); |
1275 | goto irq_err; | |
1276 | } | |
1277 | } else if ((err = request_irq(adap->pdev->irq, | |
1278 | t3_intr_handler(adap, | |
1279 | adap->sge.qs[0].rspq. | |
1280 | polling), | |
2db6346f TG |
1281 | (adap->flags & USING_MSI) ? |
1282 | 0 : IRQF_SHARED, | |
4d22de3e DLR |
1283 | adap->name, adap))) |
1284 | goto irq_err; | |
1285 | ||
bea3348e | 1286 | enable_all_napi(adap); |
4d22de3e DLR |
1287 | t3_sge_start(adap); |
1288 | t3_intr_enable(adap); | |
14ab9892 | 1289 | |
b881955b DLR |
1290 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
1291 | is_offload(adap) && init_tp_parity(adap) == 0) | |
1292 | adap->flags |= TP_PARITY_INIT; | |
1293 | ||
1294 | if (adap->flags & TP_PARITY_INIT) { | |
1295 | t3_write_reg(adap, A_TP_INT_CAUSE, | |
1296 | F_CMCACHEPERR | F_ARPLUTPERR); | |
1297 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); | |
1298 | } | |
1299 | ||
8c263761 | 1300 | if (!(adap->flags & QUEUES_BOUND)) { |
18edc84c DLR |
1301 | int ret = bind_qsets(adap); |
1302 | ||
1303 | if (ret < 0) { | |
1304 | CH_ERR(adap, "failed to bind qsets, err %d\n", ret); | |
8c263761 DLR |
1305 | t3_intr_disable(adap); |
1306 | free_irq_resources(adap); | |
18edc84c | 1307 | err = ret; |
8c263761 DLR |
1308 | goto out; |
1309 | } | |
1310 | adap->flags |= QUEUES_BOUND; | |
1311 | } | |
14ab9892 | 1312 | |
4d22de3e DLR |
1313 | out: |
1314 | return err; | |
1315 | irq_err: | |
1316 | CH_ERR(adap, "request_irq failed, err %d\n", err); | |
1317 | goto out; | |
1318 | } | |
1319 | ||
1320 | /* | |
1321 | * Release resources when all the ports and offloading have been stopped. | |
1322 | */ | |
55bc3228 | 1323 | static void cxgb_down(struct adapter *adapter, int on_wq) |
4d22de3e DLR |
1324 | { |
1325 | t3_sge_stop(adapter); | |
1326 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ | |
1327 | t3_intr_disable(adapter); | |
1328 | spin_unlock_irq(&adapter->work_lock); | |
1329 | ||
8c263761 | 1330 | free_irq_resources(adapter); |
4d22de3e | 1331 | quiesce_rx(adapter); |
a6f018e3 | 1332 | t3_sge_stop(adapter); |
55bc3228 CL |
1333 | if (!on_wq) |
1334 | flush_workqueue(cxgb3_wq);/* wait for external IRQ handler */ | |
4d22de3e DLR |
1335 | } |
1336 | ||
1337 | static void schedule_chk_task(struct adapter *adap) | |
1338 | { | |
1339 | unsigned int timeo; | |
1340 | ||
1341 | timeo = adap->params.linkpoll_period ? | |
1342 | (HZ * adap->params.linkpoll_period) / 10 : | |
1343 | adap->params.stats_update_period * HZ; | |
1344 | if (timeo) | |
1345 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); | |
1346 | } | |
1347 | ||
1348 | static int offload_open(struct net_device *dev) | |
1349 | { | |
5fbf816f DLR |
1350 | struct port_info *pi = netdev_priv(dev); |
1351 | struct adapter *adapter = pi->adapter; | |
1352 | struct t3cdev *tdev = dev2t3cdev(dev); | |
4d22de3e | 1353 | int adap_up = adapter->open_device_map & PORT_MASK; |
c54f5c24 | 1354 | int err; |
4d22de3e DLR |
1355 | |
1356 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1357 | return 0; | |
1358 | ||
1359 | if (!adap_up && (err = cxgb_up(adapter)) < 0) | |
48c4b6db | 1360 | goto out; |
4d22de3e DLR |
1361 | |
1362 | t3_tp_set_offload_mode(adapter, 1); | |
1363 | tdev->lldev = adapter->port[0]; | |
1364 | err = cxgb3_offload_activate(adapter); | |
1365 | if (err) | |
1366 | goto out; | |
1367 | ||
1368 | init_port_mtus(adapter); | |
1369 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, | |
1370 | adapter->params.b_wnd, | |
1371 | adapter->params.rev == 0 ? | |
1372 | adapter->port[0]->mtu : 0xffff); | |
1373 | init_smt(adapter); | |
1374 | ||
d96a51f6 DN |
1375 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
1376 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); | |
4d22de3e DLR |
1377 | |
1378 | /* Call back all registered clients */ | |
1379 | cxgb3_add_clients(tdev); | |
1380 | ||
1381 | out: | |
1382 | /* restore them in case the offload module has changed them */ | |
1383 | if (err) { | |
1384 | t3_tp_set_offload_mode(adapter, 0); | |
1385 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1386 | cxgb3_set_dummy_ops(tdev); | |
1387 | } | |
1388 | return err; | |
1389 | } | |
1390 | ||
1391 | static int offload_close(struct t3cdev *tdev) | |
1392 | { | |
1393 | struct adapter *adapter = tdev2adap(tdev); | |
23f333a2 | 1394 | struct t3c_data *td = T3C_DATA(tdev); |
4d22de3e DLR |
1395 | |
1396 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1397 | return 0; | |
1398 | ||
1399 | /* Call back all registered clients */ | |
1400 | cxgb3_remove_clients(tdev); | |
1401 | ||
0ee8d33c | 1402 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
4d22de3e | 1403 | |
c80b0c28 | 1404 | /* Flush work scheduled while releasing TIDs */ |
43829731 | 1405 | flush_work(&td->tid_release_task); |
c80b0c28 | 1406 | |
4d22de3e DLR |
1407 | tdev->lldev = NULL; |
1408 | cxgb3_set_dummy_ops(tdev); | |
1409 | t3_tp_set_offload_mode(adapter, 0); | |
1410 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1411 | ||
1412 | if (!adapter->open_device_map) | |
55bc3228 | 1413 | cxgb_down(adapter, 0); |
4d22de3e DLR |
1414 | |
1415 | cxgb3_offload_deactivate(adapter); | |
1416 | return 0; | |
1417 | } | |
1418 | ||
1419 | static int cxgb_open(struct net_device *dev) | |
1420 | { | |
4d22de3e | 1421 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1422 | struct adapter *adapter = pi->adapter; |
4d22de3e | 1423 | int other_ports = adapter->open_device_map & PORT_MASK; |
5fbf816f | 1424 | int err; |
4d22de3e | 1425 | |
48c4b6db | 1426 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
4d22de3e DLR |
1427 | return err; |
1428 | ||
1429 | set_bit(pi->port_id, &adapter->open_device_map); | |
8ac3ba68 | 1430 | if (is_offload(adapter) && !ofld_disable) { |
4d22de3e DLR |
1431 | err = offload_open(dev); |
1432 | if (err) | |
428ac43f | 1433 | pr_warn("Could not initialize offload capabilities\n"); |
4d22de3e DLR |
1434 | } |
1435 | ||
19221e75 BH |
1436 | netif_set_real_num_tx_queues(dev, pi->nqsets); |
1437 | err = netif_set_real_num_rx_queues(dev, pi->nqsets); | |
1438 | if (err) | |
1439 | return err; | |
4d22de3e DLR |
1440 | link_start(dev); |
1441 | t3_port_intr_enable(adapter, pi->port_id); | |
82ad3329 | 1442 | netif_tx_start_all_queues(dev); |
4d22de3e DLR |
1443 | if (!other_ports) |
1444 | schedule_chk_task(adapter); | |
1445 | ||
fa0d4c11 | 1446 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_UP, pi->port_id); |
4d22de3e DLR |
1447 | return 0; |
1448 | } | |
1449 | ||
55bc3228 | 1450 | static int __cxgb_close(struct net_device *dev, int on_wq) |
4d22de3e | 1451 | { |
5fbf816f DLR |
1452 | struct port_info *pi = netdev_priv(dev); |
1453 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1454 | |
e8d19370 DLR |
1455 | |
1456 | if (!adapter->open_device_map) | |
1457 | return 0; | |
1458 | ||
bf792094 DLR |
1459 | /* Stop link fault interrupts */ |
1460 | t3_xgm_intr_disable(adapter, pi->port_id); | |
1461 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
1462 | ||
5fbf816f | 1463 | t3_port_intr_disable(adapter, pi->port_id); |
82ad3329 | 1464 | netif_tx_stop_all_queues(dev); |
5fbf816f | 1465 | pi->phy.ops->power_down(&pi->phy, 1); |
4d22de3e | 1466 | netif_carrier_off(dev); |
5fbf816f | 1467 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
4d22de3e | 1468 | |
20d3fc11 | 1469 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
5fbf816f | 1470 | clear_bit(pi->port_id, &adapter->open_device_map); |
20d3fc11 | 1471 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
1472 | |
1473 | if (!(adapter->open_device_map & PORT_MASK)) | |
c80b0c28 | 1474 | cancel_delayed_work_sync(&adapter->adap_check_task); |
4d22de3e DLR |
1475 | |
1476 | if (!adapter->open_device_map) | |
55bc3228 | 1477 | cxgb_down(adapter, on_wq); |
4d22de3e | 1478 | |
fa0d4c11 | 1479 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_DOWN, pi->port_id); |
4d22de3e DLR |
1480 | return 0; |
1481 | } | |
1482 | ||
55bc3228 CL |
1483 | static int cxgb_close(struct net_device *dev) |
1484 | { | |
1485 | return __cxgb_close(dev, 0); | |
1486 | } | |
1487 | ||
4d22de3e DLR |
1488 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) |
1489 | { | |
5fbf816f DLR |
1490 | struct port_info *pi = netdev_priv(dev); |
1491 | struct adapter *adapter = pi->adapter; | |
a73be7fe | 1492 | struct net_device_stats *ns = &dev->stats; |
4d22de3e DLR |
1493 | const struct mac_stats *pstats; |
1494 | ||
1495 | spin_lock(&adapter->stats_lock); | |
5fbf816f | 1496 | pstats = t3_mac_update_stats(&pi->mac); |
4d22de3e DLR |
1497 | spin_unlock(&adapter->stats_lock); |
1498 | ||
1499 | ns->tx_bytes = pstats->tx_octets; | |
1500 | ns->tx_packets = pstats->tx_frames; | |
1501 | ns->rx_bytes = pstats->rx_octets; | |
1502 | ns->rx_packets = pstats->rx_frames; | |
1503 | ns->multicast = pstats->rx_mcast_frames; | |
1504 | ||
1505 | ns->tx_errors = pstats->tx_underrun; | |
1506 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + | |
1507 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + | |
1508 | pstats->rx_fifo_ovfl; | |
1509 | ||
1510 | /* detailed rx_errors */ | |
1511 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; | |
1512 | ns->rx_over_errors = 0; | |
1513 | ns->rx_crc_errors = pstats->rx_fcs_errs; | |
1514 | ns->rx_frame_errors = pstats->rx_symbol_errs; | |
1515 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; | |
1516 | ns->rx_missed_errors = pstats->rx_cong_drops; | |
1517 | ||
1518 | /* detailed tx_errors */ | |
1519 | ns->tx_aborted_errors = 0; | |
1520 | ns->tx_carrier_errors = 0; | |
1521 | ns->tx_fifo_errors = pstats->tx_underrun; | |
1522 | ns->tx_heartbeat_errors = 0; | |
1523 | ns->tx_window_errors = 0; | |
1524 | return ns; | |
1525 | } | |
1526 | ||
1527 | static u32 get_msglevel(struct net_device *dev) | |
1528 | { | |
5fbf816f DLR |
1529 | struct port_info *pi = netdev_priv(dev); |
1530 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1531 | |
1532 | return adapter->msg_enable; | |
1533 | } | |
1534 | ||
1535 | static void set_msglevel(struct net_device *dev, u32 val) | |
1536 | { | |
5fbf816f DLR |
1537 | struct port_info *pi = netdev_priv(dev); |
1538 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1539 | |
1540 | adapter->msg_enable = val; | |
1541 | } | |
1542 | ||
9ca683c6 | 1543 | static const char stats_strings[][ETH_GSTRING_LEN] = { |
4d22de3e DLR |
1544 | "TxOctetsOK ", |
1545 | "TxFramesOK ", | |
1546 | "TxMulticastFramesOK", | |
1547 | "TxBroadcastFramesOK", | |
1548 | "TxPauseFrames ", | |
1549 | "TxUnderrun ", | |
1550 | "TxExtUnderrun ", | |
1551 | ||
1552 | "TxFrames64 ", | |
1553 | "TxFrames65To127 ", | |
1554 | "TxFrames128To255 ", | |
1555 | "TxFrames256To511 ", | |
1556 | "TxFrames512To1023 ", | |
1557 | "TxFrames1024To1518 ", | |
1558 | "TxFrames1519ToMax ", | |
1559 | ||
1560 | "RxOctetsOK ", | |
1561 | "RxFramesOK ", | |
1562 | "RxMulticastFramesOK", | |
1563 | "RxBroadcastFramesOK", | |
1564 | "RxPauseFrames ", | |
1565 | "RxFCSErrors ", | |
1566 | "RxSymbolErrors ", | |
1567 | "RxShortErrors ", | |
1568 | "RxJabberErrors ", | |
1569 | "RxLengthErrors ", | |
1570 | "RxFIFOoverflow ", | |
1571 | ||
1572 | "RxFrames64 ", | |
1573 | "RxFrames65To127 ", | |
1574 | "RxFrames128To255 ", | |
1575 | "RxFrames256To511 ", | |
1576 | "RxFrames512To1023 ", | |
1577 | "RxFrames1024To1518 ", | |
1578 | "RxFrames1519ToMax ", | |
1579 | ||
1580 | "PhyFIFOErrors ", | |
1581 | "TSO ", | |
1582 | "VLANextractions ", | |
1583 | "VLANinsertions ", | |
1584 | "TxCsumOffload ", | |
1585 | "RxCsumGood ", | |
b47385bd DLR |
1586 | "LroAggregated ", |
1587 | "LroFlushed ", | |
1588 | "LroNoDesc ", | |
fc90664e DLR |
1589 | "RxDrops ", |
1590 | ||
1591 | "CheckTXEnToggled ", | |
1592 | "CheckResets ", | |
1593 | ||
bf792094 | 1594 | "LinkFaults ", |
4d22de3e DLR |
1595 | }; |
1596 | ||
b9f2c044 | 1597 | static int get_sset_count(struct net_device *dev, int sset) |
4d22de3e | 1598 | { |
b9f2c044 JG |
1599 | switch (sset) { |
1600 | case ETH_SS_STATS: | |
1601 | return ARRAY_SIZE(stats_strings); | |
1602 | default: | |
1603 | return -EOPNOTSUPP; | |
1604 | } | |
4d22de3e DLR |
1605 | } |
1606 | ||
1607 | #define T3_REGMAP_SIZE (3 * 1024) | |
1608 | ||
1609 | static int get_regs_len(struct net_device *dev) | |
1610 | { | |
1611 | return T3_REGMAP_SIZE; | |
1612 | } | |
1613 | ||
1614 | static int get_eeprom_len(struct net_device *dev) | |
1615 | { | |
1616 | return EEPROMSIZE; | |
1617 | } | |
1618 | ||
1619 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
1620 | { | |
5fbf816f DLR |
1621 | struct port_info *pi = netdev_priv(dev); |
1622 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1623 | u32 fw_vers = 0; |
47330077 | 1624 | u32 tp_vers = 0; |
4d22de3e | 1625 | |
cf3760da | 1626 | spin_lock(&adapter->stats_lock); |
4d22de3e | 1627 | t3_get_fw_version(adapter, &fw_vers); |
47330077 | 1628 | t3_get_tp_version(adapter, &tp_vers); |
cf3760da | 1629 | spin_unlock(&adapter->stats_lock); |
4d22de3e | 1630 | |
23020ab3 RJ |
1631 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
1632 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
1633 | strlcpy(info->bus_info, pci_name(adapter->pdev), | |
1634 | sizeof(info->bus_info)); | |
84b40501 | 1635 | if (fw_vers) |
4d22de3e | 1636 | snprintf(info->fw_version, sizeof(info->fw_version), |
47330077 | 1637 | "%s %u.%u.%u TP %u.%u.%u", |
4aac3899 DLR |
1638 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
1639 | G_FW_VERSION_MAJOR(fw_vers), | |
1640 | G_FW_VERSION_MINOR(fw_vers), | |
47330077 DLR |
1641 | G_FW_VERSION_MICRO(fw_vers), |
1642 | G_TP_VERSION_MAJOR(tp_vers), | |
1643 | G_TP_VERSION_MINOR(tp_vers), | |
1644 | G_TP_VERSION_MICRO(tp_vers)); | |
4d22de3e DLR |
1645 | } |
1646 | ||
1647 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) | |
1648 | { | |
1649 | if (stringset == ETH_SS_STATS) | |
1650 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
1651 | } | |
1652 | ||
1653 | static unsigned long collect_sge_port_stats(struct adapter *adapter, | |
1654 | struct port_info *p, int idx) | |
1655 | { | |
1656 | int i; | |
1657 | unsigned long tot = 0; | |
1658 | ||
8c263761 DLR |
1659 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
1660 | tot += adapter->sge.qs[i].port_stats[idx]; | |
4d22de3e DLR |
1661 | return tot; |
1662 | } | |
1663 | ||
1664 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
1665 | u64 *data) | |
1666 | { | |
4d22de3e | 1667 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1668 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
1669 | const struct mac_stats *s; |
1670 | ||
1671 | spin_lock(&adapter->stats_lock); | |
1672 | s = t3_mac_update_stats(&pi->mac); | |
1673 | spin_unlock(&adapter->stats_lock); | |
1674 | ||
1675 | *data++ = s->tx_octets; | |
1676 | *data++ = s->tx_frames; | |
1677 | *data++ = s->tx_mcast_frames; | |
1678 | *data++ = s->tx_bcast_frames; | |
1679 | *data++ = s->tx_pause; | |
1680 | *data++ = s->tx_underrun; | |
1681 | *data++ = s->tx_fifo_urun; | |
1682 | ||
1683 | *data++ = s->tx_frames_64; | |
1684 | *data++ = s->tx_frames_65_127; | |
1685 | *data++ = s->tx_frames_128_255; | |
1686 | *data++ = s->tx_frames_256_511; | |
1687 | *data++ = s->tx_frames_512_1023; | |
1688 | *data++ = s->tx_frames_1024_1518; | |
1689 | *data++ = s->tx_frames_1519_max; | |
1690 | ||
1691 | *data++ = s->rx_octets; | |
1692 | *data++ = s->rx_frames; | |
1693 | *data++ = s->rx_mcast_frames; | |
1694 | *data++ = s->rx_bcast_frames; | |
1695 | *data++ = s->rx_pause; | |
1696 | *data++ = s->rx_fcs_errs; | |
1697 | *data++ = s->rx_symbol_errs; | |
1698 | *data++ = s->rx_short; | |
1699 | *data++ = s->rx_jabber; | |
1700 | *data++ = s->rx_too_long; | |
1701 | *data++ = s->rx_fifo_ovfl; | |
1702 | ||
1703 | *data++ = s->rx_frames_64; | |
1704 | *data++ = s->rx_frames_65_127; | |
1705 | *data++ = s->rx_frames_128_255; | |
1706 | *data++ = s->rx_frames_256_511; | |
1707 | *data++ = s->rx_frames_512_1023; | |
1708 | *data++ = s->rx_frames_1024_1518; | |
1709 | *data++ = s->rx_frames_1519_max; | |
1710 | ||
1711 | *data++ = pi->phy.fifo_errors; | |
1712 | ||
1713 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); | |
1714 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); | |
1715 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); | |
1716 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); | |
1717 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); | |
7be2df45 HX |
1718 | *data++ = 0; |
1719 | *data++ = 0; | |
1720 | *data++ = 0; | |
4d22de3e | 1721 | *data++ = s->rx_cong_drops; |
fc90664e DLR |
1722 | |
1723 | *data++ = s->num_toggled; | |
1724 | *data++ = s->num_resets; | |
bf792094 DLR |
1725 | |
1726 | *data++ = s->link_faults; | |
4d22de3e DLR |
1727 | } |
1728 | ||
1729 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
1730 | unsigned int start, unsigned int end) | |
1731 | { | |
1732 | u32 *p = buf + start; | |
1733 | ||
1734 | for (; start <= end; start += sizeof(u32)) | |
1735 | *p++ = t3_read_reg(ap, start); | |
1736 | } | |
1737 | ||
1738 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, | |
1739 | void *buf) | |
1740 | { | |
5fbf816f DLR |
1741 | struct port_info *pi = netdev_priv(dev); |
1742 | struct adapter *ap = pi->adapter; | |
4d22de3e DLR |
1743 | |
1744 | /* | |
1745 | * Version scheme: | |
1746 | * bits 0..9: chip version | |
1747 | * bits 10..15: chip revision | |
1748 | * bit 31: set for PCIe cards | |
1749 | */ | |
1750 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); | |
1751 | ||
1752 | /* | |
1753 | * We skip the MAC statistics registers because they are clear-on-read. | |
1754 | * Also reading multi-register stats would need to synchronize with the | |
1755 | * periodic mac stats accumulation. Hard to justify the complexity. | |
1756 | */ | |
1757 | memset(buf, 0, T3_REGMAP_SIZE); | |
1758 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); | |
1759 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); | |
1760 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); | |
1761 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); | |
1762 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); | |
1763 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, | |
1764 | XGM_REG(A_XGM_SERDES_STAT3, 1)); | |
1765 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), | |
1766 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); | |
1767 | } | |
1768 | ||
1769 | static int restart_autoneg(struct net_device *dev) | |
1770 | { | |
1771 | struct port_info *p = netdev_priv(dev); | |
1772 | ||
1773 | if (!netif_running(dev)) | |
1774 | return -EAGAIN; | |
1775 | if (p->link_config.autoneg != AUTONEG_ENABLE) | |
1776 | return -EINVAL; | |
1777 | p->phy.ops->autoneg_restart(&p->phy); | |
1778 | return 0; | |
1779 | } | |
1780 | ||
12fcf941 | 1781 | static int set_phys_id(struct net_device *dev, |
1782 | enum ethtool_phys_id_state state) | |
4d22de3e | 1783 | { |
5fbf816f DLR |
1784 | struct port_info *pi = netdev_priv(dev); |
1785 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1786 | |
12fcf941 | 1787 | switch (state) { |
1788 | case ETHTOOL_ID_ACTIVE: | |
fce55922 | 1789 | return 1; /* cycle on/off once per second */ |
12fcf941 | 1790 | |
1791 | case ETHTOOL_ID_OFF: | |
1792 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0); | |
1793 | break; | |
4d22de3e | 1794 | |
12fcf941 | 1795 | case ETHTOOL_ID_ON: |
1796 | case ETHTOOL_ID_INACTIVE: | |
4d22de3e | 1797 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
4d22de3e | 1798 | F_GPIO0_OUT_VAL); |
12fcf941 | 1799 | } |
1800 | ||
4d22de3e DLR |
1801 | return 0; |
1802 | } | |
1803 | ||
b7b44fd2 PR |
1804 | static int get_link_ksettings(struct net_device *dev, |
1805 | struct ethtool_link_ksettings *cmd) | |
4d22de3e DLR |
1806 | { |
1807 | struct port_info *p = netdev_priv(dev); | |
b7b44fd2 | 1808 | u32 supported; |
4d22de3e | 1809 | |
b7b44fd2 PR |
1810 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, |
1811 | p->link_config.supported); | |
1812 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, | |
1813 | p->link_config.advertising); | |
4d22de3e DLR |
1814 | |
1815 | if (netif_carrier_ok(dev)) { | |
b7b44fd2 PR |
1816 | cmd->base.speed = p->link_config.speed; |
1817 | cmd->base.duplex = p->link_config.duplex; | |
4d22de3e | 1818 | } else { |
b7b44fd2 PR |
1819 | cmd->base.speed = SPEED_UNKNOWN; |
1820 | cmd->base.duplex = DUPLEX_UNKNOWN; | |
4d22de3e DLR |
1821 | } |
1822 | ||
b7b44fd2 PR |
1823 | ethtool_convert_link_mode_to_legacy_u32(&supported, |
1824 | cmd->link_modes.supported); | |
1825 | ||
1826 | cmd->base.port = (supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; | |
1827 | cmd->base.phy_address = p->phy.mdio.prtad; | |
1828 | cmd->base.autoneg = p->link_config.autoneg; | |
4d22de3e DLR |
1829 | return 0; |
1830 | } | |
1831 | ||
1832 | static int speed_duplex_to_caps(int speed, int duplex) | |
1833 | { | |
1834 | int cap = 0; | |
1835 | ||
1836 | switch (speed) { | |
1837 | case SPEED_10: | |
1838 | if (duplex == DUPLEX_FULL) | |
1839 | cap = SUPPORTED_10baseT_Full; | |
1840 | else | |
1841 | cap = SUPPORTED_10baseT_Half; | |
1842 | break; | |
1843 | case SPEED_100: | |
1844 | if (duplex == DUPLEX_FULL) | |
1845 | cap = SUPPORTED_100baseT_Full; | |
1846 | else | |
1847 | cap = SUPPORTED_100baseT_Half; | |
1848 | break; | |
1849 | case SPEED_1000: | |
1850 | if (duplex == DUPLEX_FULL) | |
1851 | cap = SUPPORTED_1000baseT_Full; | |
1852 | else | |
1853 | cap = SUPPORTED_1000baseT_Half; | |
1854 | break; | |
1855 | case SPEED_10000: | |
1856 | if (duplex == DUPLEX_FULL) | |
1857 | cap = SUPPORTED_10000baseT_Full; | |
1858 | } | |
1859 | return cap; | |
1860 | } | |
1861 | ||
1862 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
1863 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
1864 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
1865 | ADVERTISED_10000baseT_Full) | |
1866 | ||
b7b44fd2 PR |
1867 | static int set_link_ksettings(struct net_device *dev, |
1868 | const struct ethtool_link_ksettings *cmd) | |
4d22de3e DLR |
1869 | { |
1870 | struct port_info *p = netdev_priv(dev); | |
1871 | struct link_config *lc = &p->link_config; | |
b7b44fd2 PR |
1872 | u32 advertising; |
1873 | ||
1874 | ethtool_convert_link_mode_to_legacy_u32(&advertising, | |
1875 | cmd->link_modes.advertising); | |
4d22de3e | 1876 | |
9b1e3656 DLR |
1877 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
1878 | /* | |
1879 | * PHY offers a single speed/duplex. See if that's what's | |
1880 | * being requested. | |
1881 | */ | |
b7b44fd2 PR |
1882 | if (cmd->base.autoneg == AUTONEG_DISABLE) { |
1883 | u32 speed = cmd->base.speed; | |
1884 | int cap = speed_duplex_to_caps(speed, cmd->base.duplex); | |
9b1e3656 DLR |
1885 | if (lc->supported & cap) |
1886 | return 0; | |
1887 | } | |
1888 | return -EINVAL; | |
1889 | } | |
4d22de3e | 1890 | |
b7b44fd2 PR |
1891 | if (cmd->base.autoneg == AUTONEG_DISABLE) { |
1892 | u32 speed = cmd->base.speed; | |
1893 | int cap = speed_duplex_to_caps(speed, cmd->base.duplex); | |
4d22de3e | 1894 | |
25db0338 | 1895 | if (!(lc->supported & cap) || (speed == SPEED_1000)) |
4d22de3e | 1896 | return -EINVAL; |
25db0338 | 1897 | lc->requested_speed = speed; |
b7b44fd2 | 1898 | lc->requested_duplex = cmd->base.duplex; |
4d22de3e DLR |
1899 | lc->advertising = 0; |
1900 | } else { | |
b7b44fd2 PR |
1901 | advertising &= ADVERTISED_MASK; |
1902 | advertising &= lc->supported; | |
1903 | if (!advertising) | |
4d22de3e DLR |
1904 | return -EINVAL; |
1905 | lc->requested_speed = SPEED_INVALID; | |
1906 | lc->requested_duplex = DUPLEX_INVALID; | |
b7b44fd2 | 1907 | lc->advertising = advertising | ADVERTISED_Autoneg; |
4d22de3e | 1908 | } |
b7b44fd2 | 1909 | lc->autoneg = cmd->base.autoneg; |
4d22de3e DLR |
1910 | if (netif_running(dev)) |
1911 | t3_link_start(&p->phy, &p->mac, lc); | |
1912 | return 0; | |
1913 | } | |
1914 | ||
1915 | static void get_pauseparam(struct net_device *dev, | |
1916 | struct ethtool_pauseparam *epause) | |
1917 | { | |
1918 | struct port_info *p = netdev_priv(dev); | |
1919 | ||
1920 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
1921 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
1922 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
1923 | } | |
1924 | ||
1925 | static int set_pauseparam(struct net_device *dev, | |
1926 | struct ethtool_pauseparam *epause) | |
1927 | { | |
1928 | struct port_info *p = netdev_priv(dev); | |
1929 | struct link_config *lc = &p->link_config; | |
1930 | ||
1931 | if (epause->autoneg == AUTONEG_DISABLE) | |
1932 | lc->requested_fc = 0; | |
1933 | else if (lc->supported & SUPPORTED_Autoneg) | |
1934 | lc->requested_fc = PAUSE_AUTONEG; | |
1935 | else | |
1936 | return -EINVAL; | |
1937 | ||
1938 | if (epause->rx_pause) | |
1939 | lc->requested_fc |= PAUSE_RX; | |
1940 | if (epause->tx_pause) | |
1941 | lc->requested_fc |= PAUSE_TX; | |
1942 | if (lc->autoneg == AUTONEG_ENABLE) { | |
1943 | if (netif_running(dev)) | |
1944 | t3_link_start(&p->phy, &p->mac, lc); | |
1945 | } else { | |
1946 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1947 | if (netif_running(dev)) | |
1948 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); | |
1949 | } | |
1950 | return 0; | |
1951 | } | |
1952 | ||
4d22de3e DLR |
1953 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
1954 | { | |
5fbf816f DLR |
1955 | struct port_info *pi = netdev_priv(dev); |
1956 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1957 | const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; |
4d22de3e DLR |
1958 | |
1959 | e->rx_max_pending = MAX_RX_BUFFERS; | |
4d22de3e DLR |
1960 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; |
1961 | e->tx_max_pending = MAX_TXQ_ENTRIES; | |
1962 | ||
05b97b30 DLR |
1963 | e->rx_pending = q->fl_size; |
1964 | e->rx_mini_pending = q->rspq_size; | |
1965 | e->rx_jumbo_pending = q->jumbo_size; | |
1966 | e->tx_pending = q->txq_size[0]; | |
4d22de3e DLR |
1967 | } |
1968 | ||
1969 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
1970 | { | |
5fbf816f DLR |
1971 | struct port_info *pi = netdev_priv(dev); |
1972 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1973 | struct qset_params *q; |
5fbf816f | 1974 | int i; |
4d22de3e DLR |
1975 | |
1976 | if (e->rx_pending > MAX_RX_BUFFERS || | |
1977 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
1978 | e->tx_pending > MAX_TXQ_ENTRIES || | |
1979 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || | |
1980 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || | |
1981 | e->rx_pending < MIN_FL_ENTRIES || | |
1982 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
1983 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) | |
1984 | return -EINVAL; | |
1985 | ||
1986 | if (adapter->flags & FULL_INIT_DONE) | |
1987 | return -EBUSY; | |
1988 | ||
05b97b30 DLR |
1989 | q = &adapter->params.sge.qset[pi->first_qset]; |
1990 | for (i = 0; i < pi->nqsets; ++i, ++q) { | |
4d22de3e DLR |
1991 | q->rspq_size = e->rx_mini_pending; |
1992 | q->fl_size = e->rx_pending; | |
1993 | q->jumbo_size = e->rx_jumbo_pending; | |
1994 | q->txq_size[0] = e->tx_pending; | |
1995 | q->txq_size[1] = e->tx_pending; | |
1996 | q->txq_size[2] = e->tx_pending; | |
1997 | } | |
1998 | return 0; | |
1999 | } | |
2000 | ||
2001 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
2002 | { | |
5fbf816f DLR |
2003 | struct port_info *pi = netdev_priv(dev); |
2004 | struct adapter *adapter = pi->adapter; | |
c211c969 AB |
2005 | struct qset_params *qsp; |
2006 | struct sge_qset *qs; | |
2007 | int i; | |
4d22de3e DLR |
2008 | |
2009 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) | |
2010 | return -EINVAL; | |
2011 | ||
c211c969 AB |
2012 | for (i = 0; i < pi->nqsets; i++) { |
2013 | qsp = &adapter->params.sge.qset[i]; | |
2014 | qs = &adapter->sge.qs[i]; | |
2015 | qsp->coalesce_usecs = c->rx_coalesce_usecs; | |
2016 | t3_update_qset_coalesce(qs, qsp); | |
2017 | } | |
2018 | ||
4d22de3e DLR |
2019 | return 0; |
2020 | } | |
2021 | ||
2022 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
2023 | { | |
5fbf816f DLR |
2024 | struct port_info *pi = netdev_priv(dev); |
2025 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
2026 | struct qset_params *q = adapter->params.sge.qset; |
2027 | ||
2028 | c->rx_coalesce_usecs = q->coalesce_usecs; | |
2029 | return 0; | |
2030 | } | |
2031 | ||
2032 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
2033 | u8 * data) | |
2034 | { | |
5fbf816f DLR |
2035 | struct port_info *pi = netdev_priv(dev); |
2036 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 2037 | int i, err = 0; |
4d22de3e DLR |
2038 | |
2039 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); | |
2040 | if (!buf) | |
2041 | return -ENOMEM; | |
2042 | ||
2043 | e->magic = EEPROM_MAGIC; | |
2044 | for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) | |
05e5c116 | 2045 | err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); |
4d22de3e DLR |
2046 | |
2047 | if (!err) | |
2048 | memcpy(data, buf + e->offset, e->len); | |
2049 | kfree(buf); | |
2050 | return err; | |
2051 | } | |
2052 | ||
2053 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
2054 | u8 * data) | |
2055 | { | |
5fbf816f DLR |
2056 | struct port_info *pi = netdev_priv(dev); |
2057 | struct adapter *adapter = pi->adapter; | |
05e5c116 AV |
2058 | u32 aligned_offset, aligned_len; |
2059 | __le32 *p; | |
4d22de3e | 2060 | u8 *buf; |
c54f5c24 | 2061 | int err; |
4d22de3e DLR |
2062 | |
2063 | if (eeprom->magic != EEPROM_MAGIC) | |
2064 | return -EINVAL; | |
2065 | ||
2066 | aligned_offset = eeprom->offset & ~3; | |
2067 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; | |
2068 | ||
2069 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { | |
2070 | buf = kmalloc(aligned_len, GFP_KERNEL); | |
2071 | if (!buf) | |
2072 | return -ENOMEM; | |
05e5c116 | 2073 | err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); |
4d22de3e DLR |
2074 | if (!err && aligned_len > 4) |
2075 | err = t3_seeprom_read(adapter, | |
2076 | aligned_offset + aligned_len - 4, | |
05e5c116 | 2077 | (__le32 *) & buf[aligned_len - 4]); |
4d22de3e DLR |
2078 | if (err) |
2079 | goto out; | |
2080 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); | |
2081 | } else | |
2082 | buf = data; | |
2083 | ||
2084 | err = t3_seeprom_wp(adapter, 0); | |
2085 | if (err) | |
2086 | goto out; | |
2087 | ||
05e5c116 | 2088 | for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { |
4d22de3e DLR |
2089 | err = t3_seeprom_write(adapter, aligned_offset, *p); |
2090 | aligned_offset += 4; | |
2091 | } | |
2092 | ||
2093 | if (!err) | |
2094 | err = t3_seeprom_wp(adapter, 1); | |
2095 | out: | |
2096 | if (buf != data) | |
2097 | kfree(buf); | |
2098 | return err; | |
2099 | } | |
2100 | ||
2101 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
2102 | { | |
2103 | wol->supported = 0; | |
2104 | wol->wolopts = 0; | |
2105 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
2106 | } | |
2107 | ||
2108 | static const struct ethtool_ops cxgb_ethtool_ops = { | |
4d22de3e DLR |
2109 | .get_drvinfo = get_drvinfo, |
2110 | .get_msglevel = get_msglevel, | |
2111 | .set_msglevel = set_msglevel, | |
2112 | .get_ringparam = get_sge_param, | |
2113 | .set_ringparam = set_sge_param, | |
2114 | .get_coalesce = get_coalesce, | |
2115 | .set_coalesce = set_coalesce, | |
2116 | .get_eeprom_len = get_eeprom_len, | |
2117 | .get_eeprom = get_eeprom, | |
2118 | .set_eeprom = set_eeprom, | |
2119 | .get_pauseparam = get_pauseparam, | |
2120 | .set_pauseparam = set_pauseparam, | |
4d22de3e DLR |
2121 | .get_link = ethtool_op_get_link, |
2122 | .get_strings = get_strings, | |
12fcf941 | 2123 | .set_phys_id = set_phys_id, |
4d22de3e | 2124 | .nway_reset = restart_autoneg, |
b9f2c044 | 2125 | .get_sset_count = get_sset_count, |
4d22de3e DLR |
2126 | .get_ethtool_stats = get_stats, |
2127 | .get_regs_len = get_regs_len, | |
2128 | .get_regs = get_regs, | |
2129 | .get_wol = get_wol, | |
b7b44fd2 PR |
2130 | .get_link_ksettings = get_link_ksettings, |
2131 | .set_link_ksettings = set_link_ksettings, | |
4d22de3e DLR |
2132 | }; |
2133 | ||
2134 | static int in_range(int val, int lo, int hi) | |
2135 | { | |
2136 | return val < 0 || (val <= hi && val >= lo); | |
2137 | } | |
2138 | ||
2139 | static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) | |
2140 | { | |
5fbf816f DLR |
2141 | struct port_info *pi = netdev_priv(dev); |
2142 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 2143 | u32 cmd; |
5fbf816f | 2144 | int ret; |
4d22de3e DLR |
2145 | |
2146 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
2147 | return -EFAULT; | |
2148 | ||
2149 | switch (cmd) { | |
4d22de3e DLR |
2150 | case CHELSIO_SET_QSET_PARAMS:{ |
2151 | int i; | |
2152 | struct qset_params *q; | |
2153 | struct ch_qset_params t; | |
8c263761 DLR |
2154 | int q1 = pi->first_qset; |
2155 | int nqsets = pi->nqsets; | |
4d22de3e DLR |
2156 | |
2157 | if (!capable(CAP_NET_ADMIN)) | |
2158 | return -EPERM; | |
2159 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2160 | return -EFAULT; | |
2161 | if (t.qset_idx >= SGE_QSETS) | |
2162 | return -EINVAL; | |
2163 | if (!in_range(t.intr_lat, 0, M_NEWTIMER) || | |
8e95a202 JP |
2164 | !in_range(t.cong_thres, 0, 255) || |
2165 | !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, | |
2166 | MAX_TXQ_ENTRIES) || | |
2167 | !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, | |
2168 | MAX_TXQ_ENTRIES) || | |
2169 | !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, | |
2170 | MAX_CTRL_TXQ_ENTRIES) || | |
2171 | !in_range(t.fl_size[0], MIN_FL_ENTRIES, | |
2172 | MAX_RX_BUFFERS) || | |
2173 | !in_range(t.fl_size[1], MIN_FL_ENTRIES, | |
2174 | MAX_RX_JUMBO_BUFFERS) || | |
2175 | !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, | |
2176 | MAX_RSPQ_ENTRIES)) | |
4d22de3e | 2177 | return -EINVAL; |
8c263761 | 2178 | |
4d22de3e DLR |
2179 | if ((adapter->flags & FULL_INIT_DONE) && |
2180 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || | |
2181 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || | |
2182 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || | |
2183 | t.polling >= 0 || t.cong_thres >= 0)) | |
2184 | return -EBUSY; | |
2185 | ||
8c263761 DLR |
2186 | /* Allow setting of any available qset when offload enabled */ |
2187 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2188 | q1 = 0; | |
2189 | for_each_port(adapter, i) { | |
2190 | pi = adap2pinfo(adapter, i); | |
2191 | nqsets += pi->first_qset + pi->nqsets; | |
2192 | } | |
2193 | } | |
2194 | ||
2195 | if (t.qset_idx < q1) | |
2196 | return -EINVAL; | |
2197 | if (t.qset_idx > q1 + nqsets - 1) | |
2198 | return -EINVAL; | |
2199 | ||
4d22de3e DLR |
2200 | q = &adapter->params.sge.qset[t.qset_idx]; |
2201 | ||
2202 | if (t.rspq_size >= 0) | |
2203 | q->rspq_size = t.rspq_size; | |
2204 | if (t.fl_size[0] >= 0) | |
2205 | q->fl_size = t.fl_size[0]; | |
2206 | if (t.fl_size[1] >= 0) | |
2207 | q->jumbo_size = t.fl_size[1]; | |
2208 | if (t.txq_size[0] >= 0) | |
2209 | q->txq_size[0] = t.txq_size[0]; | |
2210 | if (t.txq_size[1] >= 0) | |
2211 | q->txq_size[1] = t.txq_size[1]; | |
2212 | if (t.txq_size[2] >= 0) | |
2213 | q->txq_size[2] = t.txq_size[2]; | |
2214 | if (t.cong_thres >= 0) | |
2215 | q->cong_thres = t.cong_thres; | |
2216 | if (t.intr_lat >= 0) { | |
2217 | struct sge_qset *qs = | |
2218 | &adapter->sge.qs[t.qset_idx]; | |
2219 | ||
2220 | q->coalesce_usecs = t.intr_lat; | |
2221 | t3_update_qset_coalesce(qs, q); | |
2222 | } | |
2223 | if (t.polling >= 0) { | |
2224 | if (adapter->flags & USING_MSIX) | |
2225 | q->polling = t.polling; | |
2226 | else { | |
2227 | /* No polling with INTx for T3A */ | |
2228 | if (adapter->params.rev == 0 && | |
2229 | !(adapter->flags & USING_MSI)) | |
2230 | t.polling = 0; | |
2231 | ||
2232 | for (i = 0; i < SGE_QSETS; i++) { | |
2233 | q = &adapter->params.sge. | |
2234 | qset[i]; | |
2235 | q->polling = t.polling; | |
2236 | } | |
2237 | } | |
2238 | } | |
d2fe2755 MM |
2239 | |
2240 | if (t.lro >= 0) { | |
2241 | if (t.lro) | |
2242 | dev->wanted_features |= NETIF_F_GRO; | |
2243 | else | |
2244 | dev->wanted_features &= ~NETIF_F_GRO; | |
2245 | netdev_update_features(dev); | |
2246 | } | |
04ecb072 | 2247 | |
4d22de3e DLR |
2248 | break; |
2249 | } | |
2250 | case CHELSIO_GET_QSET_PARAMS:{ | |
2251 | struct qset_params *q; | |
2252 | struct ch_qset_params t; | |
8c263761 DLR |
2253 | int q1 = pi->first_qset; |
2254 | int nqsets = pi->nqsets; | |
2255 | int i; | |
4d22de3e DLR |
2256 | |
2257 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2258 | return -EFAULT; | |
8c263761 DLR |
2259 | |
2260 | /* Display qsets for all ports when offload enabled */ | |
2261 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2262 | q1 = 0; | |
2263 | for_each_port(adapter, i) { | |
2264 | pi = adap2pinfo(adapter, i); | |
2265 | nqsets = pi->first_qset + pi->nqsets; | |
2266 | } | |
2267 | } | |
2268 | ||
2269 | if (t.qset_idx >= nqsets) | |
4d22de3e DLR |
2270 | return -EINVAL; |
2271 | ||
8c263761 | 2272 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
4d22de3e DLR |
2273 | t.rspq_size = q->rspq_size; |
2274 | t.txq_size[0] = q->txq_size[0]; | |
2275 | t.txq_size[1] = q->txq_size[1]; | |
2276 | t.txq_size[2] = q->txq_size[2]; | |
2277 | t.fl_size[0] = q->fl_size; | |
2278 | t.fl_size[1] = q->jumbo_size; | |
2279 | t.polling = q->polling; | |
d2fe2755 | 2280 | t.lro = !!(dev->features & NETIF_F_GRO); |
4d22de3e DLR |
2281 | t.intr_lat = q->coalesce_usecs; |
2282 | t.cong_thres = q->cong_thres; | |
8c263761 DLR |
2283 | t.qnum = q1; |
2284 | ||
2285 | if (adapter->flags & USING_MSIX) | |
2286 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; | |
2287 | else | |
2288 | t.vector = adapter->pdev->irq; | |
4d22de3e DLR |
2289 | |
2290 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2291 | return -EFAULT; | |
2292 | break; | |
2293 | } | |
2294 | case CHELSIO_SET_QSET_NUM:{ | |
2295 | struct ch_reg edata; | |
4d22de3e DLR |
2296 | unsigned int i, first_qset = 0, other_qsets = 0; |
2297 | ||
2298 | if (!capable(CAP_NET_ADMIN)) | |
2299 | return -EPERM; | |
2300 | if (adapter->flags & FULL_INIT_DONE) | |
2301 | return -EBUSY; | |
2302 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
2303 | return -EFAULT; | |
2304 | if (edata.val < 1 || | |
2305 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) | |
2306 | return -EINVAL; | |
2307 | ||
2308 | for_each_port(adapter, i) | |
2309 | if (adapter->port[i] && adapter->port[i] != dev) | |
2310 | other_qsets += adap2pinfo(adapter, i)->nqsets; | |
2311 | ||
2312 | if (edata.val + other_qsets > SGE_QSETS) | |
2313 | return -EINVAL; | |
2314 | ||
2315 | pi->nqsets = edata.val; | |
2316 | ||
2317 | for_each_port(adapter, i) | |
2318 | if (adapter->port[i]) { | |
2319 | pi = adap2pinfo(adapter, i); | |
2320 | pi->first_qset = first_qset; | |
2321 | first_qset += pi->nqsets; | |
2322 | } | |
2323 | break; | |
2324 | } | |
2325 | case CHELSIO_GET_QSET_NUM:{ | |
2326 | struct ch_reg edata; | |
4d22de3e | 2327 | |
49c37c03 DR |
2328 | memset(&edata, 0, sizeof(struct ch_reg)); |
2329 | ||
4d22de3e DLR |
2330 | edata.cmd = CHELSIO_GET_QSET_NUM; |
2331 | edata.val = pi->nqsets; | |
2332 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
2333 | return -EFAULT; | |
2334 | break; | |
2335 | } | |
2336 | case CHELSIO_LOAD_FW:{ | |
2337 | u8 *fw_data; | |
2338 | struct ch_mem_range t; | |
2339 | ||
1b3aa7af | 2340 | if (!capable(CAP_SYS_RAWIO)) |
4d22de3e DLR |
2341 | return -EPERM; |
2342 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2343 | return -EFAULT; | |
1b3aa7af | 2344 | /* Check t.len sanity ? */ |
c5dc9a35 JL |
2345 | fw_data = memdup_user(useraddr + sizeof(t), t.len); |
2346 | if (IS_ERR(fw_data)) | |
2347 | return PTR_ERR(fw_data); | |
4d22de3e DLR |
2348 | |
2349 | ret = t3_load_fw(adapter, fw_data, t.len); | |
2350 | kfree(fw_data); | |
2351 | if (ret) | |
2352 | return ret; | |
2353 | break; | |
2354 | } | |
2355 | case CHELSIO_SETMTUTAB:{ | |
2356 | struct ch_mtus m; | |
2357 | int i; | |
2358 | ||
2359 | if (!is_offload(adapter)) | |
2360 | return -EOPNOTSUPP; | |
2361 | if (!capable(CAP_NET_ADMIN)) | |
2362 | return -EPERM; | |
2363 | if (offload_running(adapter)) | |
2364 | return -EBUSY; | |
2365 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2366 | return -EFAULT; | |
2367 | if (m.nmtus != NMTUS) | |
2368 | return -EINVAL; | |
2369 | if (m.mtus[0] < 81) /* accommodate SACK */ | |
2370 | return -EINVAL; | |
2371 | ||
2372 | /* MTUs must be in ascending order */ | |
2373 | for (i = 1; i < NMTUS; ++i) | |
2374 | if (m.mtus[i] < m.mtus[i - 1]) | |
2375 | return -EINVAL; | |
2376 | ||
2377 | memcpy(adapter->params.mtus, m.mtus, | |
2378 | sizeof(adapter->params.mtus)); | |
2379 | break; | |
2380 | } | |
2381 | case CHELSIO_GET_PM:{ | |
2382 | struct tp_params *p = &adapter->params.tp; | |
2383 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; | |
2384 | ||
2385 | if (!is_offload(adapter)) | |
2386 | return -EOPNOTSUPP; | |
2387 | m.tx_pg_sz = p->tx_pg_size; | |
2388 | m.tx_num_pg = p->tx_num_pgs; | |
2389 | m.rx_pg_sz = p->rx_pg_size; | |
2390 | m.rx_num_pg = p->rx_num_pgs; | |
2391 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; | |
2392 | if (copy_to_user(useraddr, &m, sizeof(m))) | |
2393 | return -EFAULT; | |
2394 | break; | |
2395 | } | |
2396 | case CHELSIO_SET_PM:{ | |
2397 | struct ch_pm m; | |
2398 | struct tp_params *p = &adapter->params.tp; | |
2399 | ||
2400 | if (!is_offload(adapter)) | |
2401 | return -EOPNOTSUPP; | |
2402 | if (!capable(CAP_NET_ADMIN)) | |
2403 | return -EPERM; | |
2404 | if (adapter->flags & FULL_INIT_DONE) | |
2405 | return -EBUSY; | |
2406 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2407 | return -EFAULT; | |
d9da466a | 2408 | if (!is_power_of_2(m.rx_pg_sz) || |
2409 | !is_power_of_2(m.tx_pg_sz)) | |
4d22de3e DLR |
2410 | return -EINVAL; /* not power of 2 */ |
2411 | if (!(m.rx_pg_sz & 0x14000)) | |
2412 | return -EINVAL; /* not 16KB or 64KB */ | |
2413 | if (!(m.tx_pg_sz & 0x1554000)) | |
2414 | return -EINVAL; | |
2415 | if (m.tx_num_pg == -1) | |
2416 | m.tx_num_pg = p->tx_num_pgs; | |
2417 | if (m.rx_num_pg == -1) | |
2418 | m.rx_num_pg = p->rx_num_pgs; | |
2419 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) | |
2420 | return -EINVAL; | |
2421 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || | |
2422 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) | |
2423 | return -EINVAL; | |
2424 | p->rx_pg_size = m.rx_pg_sz; | |
2425 | p->tx_pg_size = m.tx_pg_sz; | |
2426 | p->rx_num_pgs = m.rx_num_pg; | |
2427 | p->tx_num_pgs = m.tx_num_pg; | |
2428 | break; | |
2429 | } | |
2430 | case CHELSIO_GET_MEM:{ | |
2431 | struct ch_mem_range t; | |
2432 | struct mc7 *mem; | |
2433 | u64 buf[32]; | |
2434 | ||
2435 | if (!is_offload(adapter)) | |
2436 | return -EOPNOTSUPP; | |
2437 | if (!(adapter->flags & FULL_INIT_DONE)) | |
2438 | return -EIO; /* need the memory controllers */ | |
2439 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2440 | return -EFAULT; | |
2441 | if ((t.addr & 7) || (t.len & 7)) | |
2442 | return -EINVAL; | |
2443 | if (t.mem_id == MEM_CM) | |
2444 | mem = &adapter->cm; | |
2445 | else if (t.mem_id == MEM_PMRX) | |
2446 | mem = &adapter->pmrx; | |
2447 | else if (t.mem_id == MEM_PMTX) | |
2448 | mem = &adapter->pmtx; | |
2449 | else | |
2450 | return -EINVAL; | |
2451 | ||
2452 | /* | |
1825494a DLR |
2453 | * Version scheme: |
2454 | * bits 0..9: chip version | |
2455 | * bits 10..15: chip revision | |
2456 | */ | |
4d22de3e DLR |
2457 | t.version = 3 | (adapter->params.rev << 10); |
2458 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2459 | return -EFAULT; | |
2460 | ||
2461 | /* | |
2462 | * Read 256 bytes at a time as len can be large and we don't | |
2463 | * want to use huge intermediate buffers. | |
2464 | */ | |
2465 | useraddr += sizeof(t); /* advance to start of buffer */ | |
2466 | while (t.len) { | |
2467 | unsigned int chunk = | |
2468 | min_t(unsigned int, t.len, sizeof(buf)); | |
2469 | ||
2470 | ret = | |
2471 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, | |
2472 | buf); | |
2473 | if (ret) | |
2474 | return ret; | |
2475 | if (copy_to_user(useraddr, buf, chunk)) | |
2476 | return -EFAULT; | |
2477 | useraddr += chunk; | |
2478 | t.addr += chunk; | |
2479 | t.len -= chunk; | |
2480 | } | |
2481 | break; | |
2482 | } | |
2483 | case CHELSIO_SET_TRACE_FILTER:{ | |
2484 | struct ch_trace t; | |
2485 | const struct trace_params *tp; | |
2486 | ||
2487 | if (!capable(CAP_NET_ADMIN)) | |
2488 | return -EPERM; | |
2489 | if (!offload_running(adapter)) | |
2490 | return -EAGAIN; | |
2491 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2492 | return -EFAULT; | |
2493 | ||
2494 | tp = (const struct trace_params *)&t.sip; | |
2495 | if (t.config_tx) | |
2496 | t3_config_trace_filter(adapter, tp, 0, | |
2497 | t.invert_match, | |
2498 | t.trace_tx); | |
2499 | if (t.config_rx) | |
2500 | t3_config_trace_filter(adapter, tp, 1, | |
2501 | t.invert_match, | |
2502 | t.trace_rx); | |
2503 | break; | |
2504 | } | |
4d22de3e DLR |
2505 | default: |
2506 | return -EOPNOTSUPP; | |
2507 | } | |
2508 | return 0; | |
2509 | } | |
2510 | ||
2511 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
2512 | { | |
4d22de3e | 2513 | struct mii_ioctl_data *data = if_mii(req); |
5fbf816f DLR |
2514 | struct port_info *pi = netdev_priv(dev); |
2515 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
2516 | |
2517 | switch (cmd) { | |
0f07c4ee BH |
2518 | case SIOCGMIIREG: |
2519 | case SIOCSMIIREG: | |
2520 | /* Convert phy_id from older PRTAD/DEVAD format */ | |
2521 | if (is_10G(adapter) && | |
2522 | !mdio_phy_id_is_c45(data->phy_id) && | |
2523 | (data->phy_id & 0x1f00) && | |
2524 | !(data->phy_id & 0xe0e0)) | |
2525 | data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, | |
2526 | data->phy_id & 0x1f); | |
4d22de3e | 2527 | /* FALLTHRU */ |
0f07c4ee BH |
2528 | case SIOCGMIIPHY: |
2529 | return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); | |
4d22de3e DLR |
2530 | case SIOCCHIOCTL: |
2531 | return cxgb_extension_ioctl(dev, req->ifr_data); | |
2532 | default: | |
2533 | return -EOPNOTSUPP; | |
2534 | } | |
4d22de3e DLR |
2535 | } |
2536 | ||
2537 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) | |
2538 | { | |
4d22de3e | 2539 | struct port_info *pi = netdev_priv(dev); |
5fbf816f DLR |
2540 | struct adapter *adapter = pi->adapter; |
2541 | int ret; | |
4d22de3e | 2542 | |
4d22de3e DLR |
2543 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) |
2544 | return ret; | |
2545 | dev->mtu = new_mtu; | |
2546 | init_port_mtus(adapter); | |
2547 | if (adapter->params.rev == 0 && offload_running(adapter)) | |
2548 | t3_load_mtus(adapter, adapter->params.mtus, | |
2549 | adapter->params.a_wnd, adapter->params.b_wnd, | |
2550 | adapter->port[0]->mtu); | |
2551 | return 0; | |
2552 | } | |
2553 | ||
2554 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) | |
2555 | { | |
4d22de3e | 2556 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2557 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2558 | struct sockaddr *addr = p; |
2559 | ||
2560 | if (!is_valid_ether_addr(addr->sa_data)) | |
504f9b5a | 2561 | return -EADDRNOTAVAIL; |
4d22de3e DLR |
2562 | |
2563 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
f14d42f3 | 2564 | t3_mac_set_address(&pi->mac, LAN_MAC_IDX, dev->dev_addr); |
4d22de3e DLR |
2565 | if (offload_running(adapter)) |
2566 | write_smt_entry(adapter, pi->port_id); | |
2567 | return 0; | |
2568 | } | |
2569 | ||
c8f44aff MM |
2570 | static netdev_features_t cxgb_fix_features(struct net_device *dev, |
2571 | netdev_features_t features) | |
892ef5d8 JP |
2572 | { |
2573 | /* | |
2574 | * Since there is no support for separate rx/tx vlan accel | |
2575 | * enable/disable make sure tx flag is always in same state as rx. | |
2576 | */ | |
f646968f PM |
2577 | if (features & NETIF_F_HW_VLAN_CTAG_RX) |
2578 | features |= NETIF_F_HW_VLAN_CTAG_TX; | |
892ef5d8 | 2579 | else |
f646968f | 2580 | features &= ~NETIF_F_HW_VLAN_CTAG_TX; |
892ef5d8 JP |
2581 | |
2582 | return features; | |
2583 | } | |
2584 | ||
c8f44aff | 2585 | static int cxgb_set_features(struct net_device *dev, netdev_features_t features) |
892ef5d8 | 2586 | { |
c8f44aff | 2587 | netdev_features_t changed = dev->features ^ features; |
892ef5d8 | 2588 | |
f646968f | 2589 | if (changed & NETIF_F_HW_VLAN_CTAG_RX) |
892ef5d8 JP |
2590 | cxgb_vlan_mode(dev, features); |
2591 | ||
2592 | return 0; | |
2593 | } | |
2594 | ||
4d22de3e DLR |
2595 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2596 | static void cxgb_netpoll(struct net_device *dev) | |
2597 | { | |
890de332 | 2598 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2599 | struct adapter *adapter = pi->adapter; |
890de332 | 2600 | int qidx; |
4d22de3e | 2601 | |
890de332 DLR |
2602 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
2603 | struct sge_qset *qs = &adapter->sge.qs[qidx]; | |
2604 | void *source; | |
2eab17ab | 2605 | |
890de332 DLR |
2606 | if (adapter->flags & USING_MSIX) |
2607 | source = qs; | |
2608 | else | |
2609 | source = adapter; | |
2610 | ||
2611 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); | |
2612 | } | |
4d22de3e DLR |
2613 | } |
2614 | #endif | |
2615 | ||
2616 | /* | |
2617 | * Periodic accumulation of MAC statistics. | |
2618 | */ | |
2619 | static void mac_stats_update(struct adapter *adapter) | |
2620 | { | |
2621 | int i; | |
2622 | ||
2623 | for_each_port(adapter, i) { | |
2624 | struct net_device *dev = adapter->port[i]; | |
2625 | struct port_info *p = netdev_priv(dev); | |
2626 | ||
2627 | if (netif_running(dev)) { | |
2628 | spin_lock(&adapter->stats_lock); | |
2629 | t3_mac_update_stats(&p->mac); | |
2630 | spin_unlock(&adapter->stats_lock); | |
2631 | } | |
2632 | } | |
2633 | } | |
2634 | ||
2635 | static void check_link_status(struct adapter *adapter) | |
2636 | { | |
2637 | int i; | |
2638 | ||
2639 | for_each_port(adapter, i) { | |
2640 | struct net_device *dev = adapter->port[i]; | |
2641 | struct port_info *p = netdev_priv(dev); | |
c22c8149 | 2642 | int link_fault; |
4d22de3e | 2643 | |
bf792094 | 2644 | spin_lock_irq(&adapter->work_lock); |
c22c8149 DLR |
2645 | link_fault = p->link_fault; |
2646 | spin_unlock_irq(&adapter->work_lock); | |
2647 | ||
2648 | if (link_fault) { | |
3851c66c | 2649 | t3_link_fault(adapter, i); |
bf792094 DLR |
2650 | continue; |
2651 | } | |
bf792094 DLR |
2652 | |
2653 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { | |
2654 | t3_xgm_intr_disable(adapter, i); | |
2655 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2656 | ||
4d22de3e | 2657 | t3_link_changed(adapter, i); |
bf792094 DLR |
2658 | t3_xgm_intr_enable(adapter, i); |
2659 | } | |
4d22de3e DLR |
2660 | } |
2661 | } | |
2662 | ||
fc90664e DLR |
2663 | static void check_t3b2_mac(struct adapter *adapter) |
2664 | { | |
2665 | int i; | |
2666 | ||
f2d961c9 DLR |
2667 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
2668 | return; | |
2669 | ||
fc90664e DLR |
2670 | for_each_port(adapter, i) { |
2671 | struct net_device *dev = adapter->port[i]; | |
2672 | struct port_info *p = netdev_priv(dev); | |
2673 | int status; | |
2674 | ||
2675 | if (!netif_running(dev)) | |
2676 | continue; | |
2677 | ||
2678 | status = 0; | |
6d6dabac | 2679 | if (netif_running(dev) && netif_carrier_ok(dev)) |
fc90664e DLR |
2680 | status = t3b2_mac_watchdog_task(&p->mac); |
2681 | if (status == 1) | |
2682 | p->mac.stats.num_toggled++; | |
2683 | else if (status == 2) { | |
2684 | struct cmac *mac = &p->mac; | |
2685 | ||
2686 | t3_mac_set_mtu(mac, dev->mtu); | |
f14d42f3 | 2687 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
fc90664e DLR |
2688 | cxgb_set_rxmode(dev); |
2689 | t3_link_start(&p->phy, mac, &p->link_config); | |
2690 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
2691 | t3_port_intr_enable(adapter, p->port_id); | |
2692 | p->mac.stats.num_resets++; | |
2693 | } | |
2694 | } | |
2695 | rtnl_unlock(); | |
2696 | } | |
2697 | ||
2698 | ||
4d22de3e DLR |
2699 | static void t3_adap_check_task(struct work_struct *work) |
2700 | { | |
2701 | struct adapter *adapter = container_of(work, struct adapter, | |
2702 | adap_check_task.work); | |
2703 | const struct adapter_params *p = &adapter->params; | |
fc882196 DLR |
2704 | int port; |
2705 | unsigned int v, status, reset; | |
4d22de3e DLR |
2706 | |
2707 | adapter->check_task_cnt++; | |
2708 | ||
3851c66c | 2709 | check_link_status(adapter); |
4d22de3e DLR |
2710 | |
2711 | /* Accumulate MAC stats if needed */ | |
2712 | if (!p->linkpoll_period || | |
2713 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= | |
2714 | p->stats_update_period) { | |
2715 | mac_stats_update(adapter); | |
2716 | adapter->check_task_cnt = 0; | |
2717 | } | |
2718 | ||
fc90664e DLR |
2719 | if (p->rev == T3_REV_B2) |
2720 | check_t3b2_mac(adapter); | |
2721 | ||
fc882196 DLR |
2722 | /* |
2723 | * Scan the XGMAC's to check for various conditions which we want to | |
2724 | * monitor in a periodic polling manner rather than via an interrupt | |
2725 | * condition. This is used for conditions which would otherwise flood | |
2726 | * the system with interrupts and we only really need to know that the | |
2727 | * conditions are "happening" ... For each condition we count the | |
2728 | * detection of the condition and reset it for the next polling loop. | |
2729 | */ | |
2730 | for_each_port(adapter, port) { | |
2731 | struct cmac *mac = &adap2pinfo(adapter, port)->mac; | |
2732 | u32 cause; | |
2733 | ||
2734 | cause = t3_read_reg(adapter, A_XGM_INT_CAUSE + mac->offset); | |
2735 | reset = 0; | |
2736 | if (cause & F_RXFIFO_OVERFLOW) { | |
2737 | mac->stats.rx_fifo_ovfl++; | |
2738 | reset |= F_RXFIFO_OVERFLOW; | |
2739 | } | |
2740 | ||
2741 | t3_write_reg(adapter, A_XGM_INT_CAUSE + mac->offset, reset); | |
2742 | } | |
2743 | ||
2744 | /* | |
2745 | * We do the same as above for FL_EMPTY interrupts. | |
2746 | */ | |
2747 | status = t3_read_reg(adapter, A_SG_INT_CAUSE); | |
2748 | reset = 0; | |
2749 | ||
2750 | if (status & F_FLEMPTY) { | |
2751 | struct sge_qset *qs = &adapter->sge.qs[0]; | |
2752 | int i = 0; | |
2753 | ||
2754 | reset |= F_FLEMPTY; | |
2755 | ||
2756 | v = (t3_read_reg(adapter, A_SG_RSPQ_FL_STATUS) >> S_FL0EMPTY) & | |
2757 | 0xffff; | |
2758 | ||
2759 | while (v) { | |
2760 | qs->fl[i].empty += (v & 1); | |
2761 | if (i) | |
2762 | qs++; | |
2763 | i ^= 1; | |
2764 | v >>= 1; | |
2765 | } | |
2766 | } | |
2767 | ||
2768 | t3_write_reg(adapter, A_SG_INT_CAUSE, reset); | |
2769 | ||
4d22de3e | 2770 | /* Schedule the next check update if any port is active. */ |
20d3fc11 | 2771 | spin_lock_irq(&adapter->work_lock); |
4d22de3e DLR |
2772 | if (adapter->open_device_map & PORT_MASK) |
2773 | schedule_chk_task(adapter); | |
20d3fc11 | 2774 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
2775 | } |
2776 | ||
e998f245 SW |
2777 | static void db_full_task(struct work_struct *work) |
2778 | { | |
2779 | struct adapter *adapter = container_of(work, struct adapter, | |
2780 | db_full_task); | |
2781 | ||
2782 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0); | |
2783 | } | |
2784 | ||
2785 | static void db_empty_task(struct work_struct *work) | |
2786 | { | |
2787 | struct adapter *adapter = container_of(work, struct adapter, | |
2788 | db_empty_task); | |
2789 | ||
2790 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0); | |
2791 | } | |
2792 | ||
2793 | static void db_drop_task(struct work_struct *work) | |
2794 | { | |
2795 | struct adapter *adapter = container_of(work, struct adapter, | |
2796 | db_drop_task); | |
2797 | unsigned long delay = 1000; | |
2798 | unsigned short r; | |
2799 | ||
2800 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0); | |
2801 | ||
2802 | /* | |
2803 | * Sleep a while before ringing the driver qset dbs. | |
2804 | * The delay is between 1000-2023 usecs. | |
2805 | */ | |
2806 | get_random_bytes(&r, 2); | |
2807 | delay += r & 1023; | |
2808 | set_current_state(TASK_UNINTERRUPTIBLE); | |
2809 | schedule_timeout(usecs_to_jiffies(delay)); | |
2810 | ring_dbs(adapter); | |
2811 | } | |
2812 | ||
4d22de3e DLR |
2813 | /* |
2814 | * Processes external (PHY) interrupts in process context. | |
2815 | */ | |
2816 | static void ext_intr_task(struct work_struct *work) | |
2817 | { | |
2818 | struct adapter *adapter = container_of(work, struct adapter, | |
2819 | ext_intr_handler_task); | |
bf792094 DLR |
2820 | int i; |
2821 | ||
2822 | /* Disable link fault interrupts */ | |
2823 | for_each_port(adapter, i) { | |
2824 | struct net_device *dev = adapter->port[i]; | |
2825 | struct port_info *p = netdev_priv(dev); | |
2826 | ||
2827 | t3_xgm_intr_disable(adapter, i); | |
2828 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2829 | } | |
4d22de3e | 2830 | |
bf792094 | 2831 | /* Re-enable link fault interrupts */ |
4d22de3e DLR |
2832 | t3_phy_intr_handler(adapter); |
2833 | ||
bf792094 DLR |
2834 | for_each_port(adapter, i) |
2835 | t3_xgm_intr_enable(adapter, i); | |
2836 | ||
4d22de3e DLR |
2837 | /* Now reenable external interrupts */ |
2838 | spin_lock_irq(&adapter->work_lock); | |
2839 | if (adapter->slow_intr_mask) { | |
2840 | adapter->slow_intr_mask |= F_T3DBG; | |
2841 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); | |
2842 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2843 | adapter->slow_intr_mask); | |
2844 | } | |
2845 | spin_unlock_irq(&adapter->work_lock); | |
2846 | } | |
2847 | ||
2848 | /* | |
2849 | * Interrupt-context handler for external (PHY) interrupts. | |
2850 | */ | |
2851 | void t3_os_ext_intr_handler(struct adapter *adapter) | |
2852 | { | |
2853 | /* | |
2854 | * Schedule a task to handle external interrupts as they may be slow | |
2855 | * and we use a mutex to protect MDIO registers. We disable PHY | |
2856 | * interrupts in the meantime and let the task reenable them when | |
2857 | * it's done. | |
2858 | */ | |
2859 | spin_lock(&adapter->work_lock); | |
2860 | if (adapter->slow_intr_mask) { | |
2861 | adapter->slow_intr_mask &= ~F_T3DBG; | |
2862 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2863 | adapter->slow_intr_mask); | |
2864 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); | |
2865 | } | |
2866 | spin_unlock(&adapter->work_lock); | |
2867 | } | |
2868 | ||
bf792094 DLR |
2869 | void t3_os_link_fault_handler(struct adapter *adapter, int port_id) |
2870 | { | |
2871 | struct net_device *netdev = adapter->port[port_id]; | |
2872 | struct port_info *pi = netdev_priv(netdev); | |
2873 | ||
2874 | spin_lock(&adapter->work_lock); | |
2875 | pi->link_fault = 1; | |
bf792094 DLR |
2876 | spin_unlock(&adapter->work_lock); |
2877 | } | |
2878 | ||
55bc3228 | 2879 | static int t3_adapter_error(struct adapter *adapter, int reset, int on_wq) |
20d3fc11 DLR |
2880 | { |
2881 | int i, ret = 0; | |
2882 | ||
cb0bc205 DLR |
2883 | if (is_offload(adapter) && |
2884 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
fa0d4c11 | 2885 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); |
cb0bc205 DLR |
2886 | offload_close(&adapter->tdev); |
2887 | } | |
2888 | ||
20d3fc11 DLR |
2889 | /* Stop all ports */ |
2890 | for_each_port(adapter, i) { | |
2891 | struct net_device *netdev = adapter->port[i]; | |
2892 | ||
2893 | if (netif_running(netdev)) | |
55bc3228 | 2894 | __cxgb_close(netdev, on_wq); |
20d3fc11 DLR |
2895 | } |
2896 | ||
20d3fc11 DLR |
2897 | /* Stop SGE timers */ |
2898 | t3_stop_sge_timers(adapter); | |
2899 | ||
2900 | adapter->flags &= ~FULL_INIT_DONE; | |
2901 | ||
2902 | if (reset) | |
2903 | ret = t3_reset_adapter(adapter); | |
2904 | ||
2905 | pci_disable_device(adapter->pdev); | |
2906 | ||
2907 | return ret; | |
2908 | } | |
2909 | ||
2910 | static int t3_reenable_adapter(struct adapter *adapter) | |
2911 | { | |
2912 | if (pci_enable_device(adapter->pdev)) { | |
2913 | dev_err(&adapter->pdev->dev, | |
2914 | "Cannot re-enable PCI device after reset.\n"); | |
2915 | goto err; | |
2916 | } | |
2917 | pci_set_master(adapter->pdev); | |
2918 | pci_restore_state(adapter->pdev); | |
ccdddf50 | 2919 | pci_save_state(adapter->pdev); |
20d3fc11 DLR |
2920 | |
2921 | /* Free sge resources */ | |
2922 | t3_free_sge_resources(adapter); | |
2923 | ||
2924 | if (t3_replay_prep_adapter(adapter)) | |
2925 | goto err; | |
2926 | ||
2927 | return 0; | |
2928 | err: | |
2929 | return -1; | |
2930 | } | |
2931 | ||
2932 | static void t3_resume_ports(struct adapter *adapter) | |
2933 | { | |
2934 | int i; | |
2935 | ||
2936 | /* Restart the ports */ | |
2937 | for_each_port(adapter, i) { | |
2938 | struct net_device *netdev = adapter->port[i]; | |
2939 | ||
2940 | if (netif_running(netdev)) { | |
2941 | if (cxgb_open(netdev)) { | |
2942 | dev_err(&adapter->pdev->dev, | |
2943 | "can't bring device back up" | |
2944 | " after reset\n"); | |
2945 | continue; | |
2946 | } | |
2947 | } | |
2948 | } | |
cb0bc205 DLR |
2949 | |
2950 | if (is_offload(adapter) && !ofld_disable) | |
fa0d4c11 | 2951 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); |
20d3fc11 DLR |
2952 | } |
2953 | ||
2954 | /* | |
2955 | * processes a fatal error. | |
2956 | * Bring the ports down, reset the chip, bring the ports back up. | |
2957 | */ | |
2958 | static void fatal_error_task(struct work_struct *work) | |
2959 | { | |
2960 | struct adapter *adapter = container_of(work, struct adapter, | |
2961 | fatal_error_handler_task); | |
2962 | int err = 0; | |
2963 | ||
2964 | rtnl_lock(); | |
55bc3228 | 2965 | err = t3_adapter_error(adapter, 1, 1); |
20d3fc11 DLR |
2966 | if (!err) |
2967 | err = t3_reenable_adapter(adapter); | |
2968 | if (!err) | |
2969 | t3_resume_ports(adapter); | |
2970 | ||
2971 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); | |
2972 | rtnl_unlock(); | |
2973 | } | |
2974 | ||
4d22de3e DLR |
2975 | void t3_fatal_err(struct adapter *adapter) |
2976 | { | |
2977 | unsigned int fw_status[4]; | |
2978 | ||
2979 | if (adapter->flags & FULL_INIT_DONE) { | |
2980 | t3_sge_stop(adapter); | |
c64c2eae DLR |
2981 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
2982 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); | |
2983 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); | |
2984 | t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); | |
20d3fc11 DLR |
2985 | |
2986 | spin_lock(&adapter->work_lock); | |
4d22de3e | 2987 | t3_intr_disable(adapter); |
20d3fc11 DLR |
2988 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
2989 | spin_unlock(&adapter->work_lock); | |
4d22de3e DLR |
2990 | } |
2991 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); | |
2992 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) | |
2993 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", | |
2994 | fw_status[0], fw_status[1], | |
2995 | fw_status[2], fw_status[3]); | |
4d22de3e DLR |
2996 | } |
2997 | ||
91a6b50c DLR |
2998 | /** |
2999 | * t3_io_error_detected - called when PCI error is detected | |
3000 | * @pdev: Pointer to PCI device | |
3001 | * @state: The current pci connection state | |
3002 | * | |
3003 | * This function is called after a PCI bus error affecting | |
3004 | * this device has been detected. | |
3005 | */ | |
3006 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, | |
3007 | pci_channel_state_t state) | |
3008 | { | |
bc4b6b52 | 3009 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3010 | |
e8d19370 DLR |
3011 | if (state == pci_channel_io_perm_failure) |
3012 | return PCI_ERS_RESULT_DISCONNECT; | |
3013 | ||
c661c4a2 | 3014 | t3_adapter_error(adapter, 0, 0); |
91a6b50c | 3015 | |
48c4b6db | 3016 | /* Request a slot reset. */ |
91a6b50c DLR |
3017 | return PCI_ERS_RESULT_NEED_RESET; |
3018 | } | |
3019 | ||
3020 | /** | |
3021 | * t3_io_slot_reset - called after the pci bus has been reset. | |
3022 | * @pdev: Pointer to PCI device | |
3023 | * | |
3024 | * Restart the card from scratch, as if from a cold-boot. | |
3025 | */ | |
3026 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) | |
3027 | { | |
bc4b6b52 | 3028 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3029 | |
20d3fc11 DLR |
3030 | if (!t3_reenable_adapter(adapter)) |
3031 | return PCI_ERS_RESULT_RECOVERED; | |
91a6b50c | 3032 | |
48c4b6db | 3033 | return PCI_ERS_RESULT_DISCONNECT; |
91a6b50c DLR |
3034 | } |
3035 | ||
3036 | /** | |
3037 | * t3_io_resume - called when traffic can start flowing again. | |
3038 | * @pdev: Pointer to PCI device | |
3039 | * | |
3040 | * This callback is called when the error recovery driver tells us that | |
3041 | * its OK to resume normal operation. | |
3042 | */ | |
3043 | static void t3_io_resume(struct pci_dev *pdev) | |
3044 | { | |
bc4b6b52 | 3045 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3046 | |
68f40c10 DLR |
3047 | CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", |
3048 | t3_read_reg(adapter, A_PCIE_PEX_ERR)); | |
3049 | ||
7cc47d13 | 3050 | rtnl_lock(); |
20d3fc11 | 3051 | t3_resume_ports(adapter); |
7cc47d13 | 3052 | rtnl_unlock(); |
91a6b50c DLR |
3053 | } |
3054 | ||
3646f0e5 | 3055 | static const struct pci_error_handlers t3_err_handler = { |
91a6b50c DLR |
3056 | .error_detected = t3_io_error_detected, |
3057 | .slot_reset = t3_io_slot_reset, | |
3058 | .resume = t3_io_resume, | |
3059 | }; | |
3060 | ||
8c263761 DLR |
3061 | /* |
3062 | * Set the number of qsets based on the number of CPUs and the number of ports, | |
3063 | * not to exceed the number of available qsets, assuming there are enough qsets | |
3064 | * per port in HW. | |
3065 | */ | |
3066 | static void set_nqsets(struct adapter *adap) | |
3067 | { | |
3068 | int i, j = 0; | |
dbfa6001 | 3069 | int num_cpus = netif_get_num_default_rss_queues(); |
8c263761 | 3070 | int hwports = adap->params.nports; |
5cda9364 | 3071 | int nqsets = adap->msix_nvectors - 1; |
8c263761 | 3072 | |
f9ee3882 | 3073 | if (adap->params.rev > 0 && adap->flags & USING_MSIX) { |
8c263761 DLR |
3074 | if (hwports == 2 && |
3075 | (hwports * nqsets > SGE_QSETS || | |
3076 | num_cpus >= nqsets / hwports)) | |
3077 | nqsets /= hwports; | |
3078 | if (nqsets > num_cpus) | |
3079 | nqsets = num_cpus; | |
3080 | if (nqsets < 1 || hwports == 4) | |
3081 | nqsets = 1; | |
3082 | } else | |
3083 | nqsets = 1; | |
3084 | ||
3085 | for_each_port(adap, i) { | |
3086 | struct port_info *pi = adap2pinfo(adap, i); | |
3087 | ||
3088 | pi->first_qset = j; | |
3089 | pi->nqsets = nqsets; | |
3090 | j = pi->first_qset + nqsets; | |
3091 | ||
3092 | dev_info(&adap->pdev->dev, | |
3093 | "Port %d using %d queue sets.\n", i, nqsets); | |
3094 | } | |
3095 | } | |
3096 | ||
2109eaab | 3097 | static int cxgb_enable_msix(struct adapter *adap) |
4d22de3e DLR |
3098 | { |
3099 | struct msix_entry entries[SGE_QSETS + 1]; | |
5cda9364 | 3100 | int vectors; |
fc1d0bf1 | 3101 | int i; |
4d22de3e | 3102 | |
5cda9364 DLR |
3103 | vectors = ARRAY_SIZE(entries); |
3104 | for (i = 0; i < vectors; ++i) | |
4d22de3e DLR |
3105 | entries[i].entry = i; |
3106 | ||
fc1d0bf1 AG |
3107 | vectors = pci_enable_msix_range(adap->pdev, entries, |
3108 | adap->params.nports + 1, vectors); | |
3109 | if (vectors < 0) | |
3110 | return vectors; | |
5cda9364 | 3111 | |
fc1d0bf1 AG |
3112 | for (i = 0; i < vectors; ++i) |
3113 | adap->msix_info[i].vec = entries[i].vector; | |
3114 | adap->msix_nvectors = vectors; | |
5cda9364 | 3115 | |
fc1d0bf1 | 3116 | return 0; |
4d22de3e DLR |
3117 | } |
3118 | ||
1dd06ae8 | 3119 | static void print_port_info(struct adapter *adap, const struct adapter_info *ai) |
4d22de3e DLR |
3120 | { |
3121 | static const char *pci_variant[] = { | |
3122 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" | |
3123 | }; | |
3124 | ||
3125 | int i; | |
3126 | char buf[80]; | |
3127 | ||
3128 | if (is_pcie(adap)) | |
3129 | snprintf(buf, sizeof(buf), "%s x%d", | |
3130 | pci_variant[adap->params.pci.variant], | |
3131 | adap->params.pci.width); | |
3132 | else | |
3133 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", | |
3134 | pci_variant[adap->params.pci.variant], | |
3135 | adap->params.pci.speed, adap->params.pci.width); | |
3136 | ||
3137 | for_each_port(adap, i) { | |
3138 | struct net_device *dev = adap->port[i]; | |
3139 | const struct port_info *pi = netdev_priv(dev); | |
3140 | ||
3141 | if (!test_bit(i, &adap->registered_device_map)) | |
3142 | continue; | |
428ac43f JP |
3143 | netdev_info(dev, "%s %s %sNIC (rev %d) %s%s\n", |
3144 | ai->desc, pi->phy.desc, | |
3145 | is_offload(adap) ? "R" : "", adap->params.rev, buf, | |
3146 | (adap->flags & USING_MSIX) ? " MSI-X" : | |
3147 | (adap->flags & USING_MSI) ? " MSI" : ""); | |
4d22de3e | 3148 | if (adap->name == dev->name && adap->params.vpd.mclk) |
428ac43f | 3149 | pr_info("%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", |
4d22de3e DLR |
3150 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
3151 | t3_mc7_size(&adap->pmtx) >> 20, | |
167cdf5f DLR |
3152 | t3_mc7_size(&adap->pmrx) >> 20, |
3153 | adap->params.vpd.sn); | |
4d22de3e DLR |
3154 | } |
3155 | } | |
3156 | ||
dd752696 SH |
3157 | static const struct net_device_ops cxgb_netdev_ops = { |
3158 | .ndo_open = cxgb_open, | |
3159 | .ndo_stop = cxgb_close, | |
43a944f3 | 3160 | .ndo_start_xmit = t3_eth_xmit, |
dd752696 SH |
3161 | .ndo_get_stats = cxgb_get_stats, |
3162 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3163 | .ndo_set_rx_mode = cxgb_set_rxmode, |
dd752696 SH |
3164 | .ndo_do_ioctl = cxgb_ioctl, |
3165 | .ndo_change_mtu = cxgb_change_mtu, | |
3166 | .ndo_set_mac_address = cxgb_set_mac_addr, | |
892ef5d8 JP |
3167 | .ndo_fix_features = cxgb_fix_features, |
3168 | .ndo_set_features = cxgb_set_features, | |
dd752696 SH |
3169 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3170 | .ndo_poll_controller = cxgb_netpoll, | |
3171 | #endif | |
3172 | }; | |
3173 | ||
2109eaab | 3174 | static void cxgb3_init_iscsi_mac(struct net_device *dev) |
f14d42f3 KX |
3175 | { |
3176 | struct port_info *pi = netdev_priv(dev); | |
3177 | ||
3178 | memcpy(pi->iscsic.mac_addr, dev->dev_addr, ETH_ALEN); | |
3179 | pi->iscsic.mac_addr[3] |= 0x80; | |
3180 | } | |
3181 | ||
1d962ecf | 3182 | #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) |
3183 | #define VLAN_FEAT (NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \ | |
3184 | NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) | |
1dd06ae8 | 3185 | static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
4d22de3e | 3186 | { |
4d22de3e | 3187 | int i, err, pci_using_dac = 0; |
68f40c10 | 3188 | resource_size_t mmio_start, mmio_len; |
4d22de3e DLR |
3189 | const struct adapter_info *ai; |
3190 | struct adapter *adapter = NULL; | |
3191 | struct port_info *pi; | |
3192 | ||
428ac43f | 3193 | pr_info_once("%s - version %s\n", DRV_DESC, DRV_VERSION); |
4d22de3e DLR |
3194 | |
3195 | if (!cxgb3_wq) { | |
3196 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); | |
3197 | if (!cxgb3_wq) { | |
428ac43f | 3198 | pr_err("cannot initialize work queue\n"); |
4d22de3e DLR |
3199 | return -ENOMEM; |
3200 | } | |
3201 | } | |
3202 | ||
7aaaaa1e | 3203 | err = pci_enable_device(pdev); |
4d22de3e | 3204 | if (err) { |
7aaaaa1e KV |
3205 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
3206 | goto out; | |
4d22de3e DLR |
3207 | } |
3208 | ||
7aaaaa1e | 3209 | err = pci_request_regions(pdev, DRV_NAME); |
4d22de3e | 3210 | if (err) { |
7aaaaa1e KV |
3211 | /* Just info, some other driver may have claimed the device. */ |
3212 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); | |
3213 | goto out_disable_device; | |
4d22de3e DLR |
3214 | } |
3215 | ||
6a35528a | 3216 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
4d22de3e | 3217 | pci_using_dac = 1; |
6a35528a | 3218 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
4d22de3e DLR |
3219 | if (err) { |
3220 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " | |
3221 | "coherent allocations\n"); | |
7aaaaa1e | 3222 | goto out_release_regions; |
4d22de3e | 3223 | } |
284901a9 | 3224 | } else if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { |
4d22de3e | 3225 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
7aaaaa1e | 3226 | goto out_release_regions; |
4d22de3e DLR |
3227 | } |
3228 | ||
3229 | pci_set_master(pdev); | |
204e2f98 | 3230 | pci_save_state(pdev); |
4d22de3e DLR |
3231 | |
3232 | mmio_start = pci_resource_start(pdev, 0); | |
3233 | mmio_len = pci_resource_len(pdev, 0); | |
3234 | ai = t3_get_adapter_info(ent->driver_data); | |
3235 | ||
3236 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); | |
3237 | if (!adapter) { | |
3238 | err = -ENOMEM; | |
7aaaaa1e | 3239 | goto out_release_regions; |
4d22de3e DLR |
3240 | } |
3241 | ||
74b793e1 DLR |
3242 | adapter->nofail_skb = |
3243 | alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_KERNEL); | |
3244 | if (!adapter->nofail_skb) { | |
3245 | dev_err(&pdev->dev, "cannot allocate nofail buffer\n"); | |
3246 | err = -ENOMEM; | |
3247 | goto out_free_adapter; | |
3248 | } | |
3249 | ||
4d22de3e DLR |
3250 | adapter->regs = ioremap_nocache(mmio_start, mmio_len); |
3251 | if (!adapter->regs) { | |
3252 | dev_err(&pdev->dev, "cannot map device registers\n"); | |
3253 | err = -ENOMEM; | |
3254 | goto out_free_adapter; | |
3255 | } | |
3256 | ||
3257 | adapter->pdev = pdev; | |
3258 | adapter->name = pci_name(pdev); | |
3259 | adapter->msg_enable = dflt_msg_enable; | |
3260 | adapter->mmio_len = mmio_len; | |
3261 | ||
3262 | mutex_init(&adapter->mdio_lock); | |
3263 | spin_lock_init(&adapter->work_lock); | |
3264 | spin_lock_init(&adapter->stats_lock); | |
3265 | ||
3266 | INIT_LIST_HEAD(&adapter->adapter_list); | |
3267 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); | |
20d3fc11 | 3268 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
e998f245 SW |
3269 | |
3270 | INIT_WORK(&adapter->db_full_task, db_full_task); | |
3271 | INIT_WORK(&adapter->db_empty_task, db_empty_task); | |
3272 | INIT_WORK(&adapter->db_drop_task, db_drop_task); | |
3273 | ||
4d22de3e DLR |
3274 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
3275 | ||
952cdf33 | 3276 | for (i = 0; i < ai->nports0 + ai->nports1; ++i) { |
4d22de3e DLR |
3277 | struct net_device *netdev; |
3278 | ||
82ad3329 | 3279 | netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS); |
4d22de3e DLR |
3280 | if (!netdev) { |
3281 | err = -ENOMEM; | |
3282 | goto out_free_dev; | |
3283 | } | |
3284 | ||
4d22de3e DLR |
3285 | SET_NETDEV_DEV(netdev, &pdev->dev); |
3286 | ||
3287 | adapter->port[i] = netdev; | |
3288 | pi = netdev_priv(netdev); | |
5fbf816f | 3289 | pi->adapter = adapter; |
4d22de3e DLR |
3290 | pi->port_id = i; |
3291 | netif_carrier_off(netdev); | |
3292 | netdev->irq = pdev->irq; | |
3293 | netdev->mem_start = mmio_start; | |
3294 | netdev->mem_end = mmio_start + mmio_len - 1; | |
d2fe2755 | 3295 | netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | |
f646968f PM |
3296 | NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX; |
3297 | netdev->features |= netdev->hw_features | | |
3298 | NETIF_F_HW_VLAN_CTAG_TX; | |
1d962ecf | 3299 | netdev->vlan_features |= netdev->features & VLAN_FEAT; |
4d22de3e DLR |
3300 | if (pci_using_dac) |
3301 | netdev->features |= NETIF_F_HIGHDMA; | |
3302 | ||
dd752696 | 3303 | netdev->netdev_ops = &cxgb_netdev_ops; |
7ad24ea4 | 3304 | netdev->ethtool_ops = &cxgb_ethtool_ops; |
d894be57 JW |
3305 | netdev->min_mtu = 81; |
3306 | netdev->max_mtu = ETH_MAX_MTU; | |
4d22de3e DLR |
3307 | } |
3308 | ||
5fbf816f | 3309 | pci_set_drvdata(pdev, adapter); |
4d22de3e DLR |
3310 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
3311 | err = -ENODEV; | |
3312 | goto out_free_dev; | |
3313 | } | |
2eab17ab | 3314 | |
4d22de3e DLR |
3315 | /* |
3316 | * The card is now ready to go. If any errors occur during device | |
3317 | * registration we do not fail the whole card but rather proceed only | |
3318 | * with the ports we manage to register successfully. However we must | |
3319 | * register at least one net device. | |
3320 | */ | |
3321 | for_each_port(adapter, i) { | |
3322 | err = register_netdev(adapter->port[i]); | |
3323 | if (err) | |
3324 | dev_warn(&pdev->dev, | |
3325 | "cannot register net device %s, skipping\n", | |
3326 | adapter->port[i]->name); | |
3327 | else { | |
3328 | /* | |
3329 | * Change the name we use for messages to the name of | |
3330 | * the first successfully registered interface. | |
3331 | */ | |
3332 | if (!adapter->registered_device_map) | |
3333 | adapter->name = adapter->port[i]->name; | |
3334 | ||
3335 | __set_bit(i, &adapter->registered_device_map); | |
3336 | } | |
3337 | } | |
3338 | if (!adapter->registered_device_map) { | |
3339 | dev_err(&pdev->dev, "could not register any net devices\n"); | |
3340 | goto out_free_dev; | |
3341 | } | |
3342 | ||
f14d42f3 KX |
3343 | for_each_port(adapter, i) |
3344 | cxgb3_init_iscsi_mac(adapter->port[i]); | |
3345 | ||
4d22de3e DLR |
3346 | /* Driver's ready. Reflect it on LEDs */ |
3347 | t3_led_ready(adapter); | |
3348 | ||
3349 | if (is_offload(adapter)) { | |
3350 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); | |
3351 | cxgb3_adapter_ofld(adapter); | |
3352 | } | |
3353 | ||
3354 | /* See what interrupts we'll be using */ | |
3355 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) | |
3356 | adapter->flags |= USING_MSIX; | |
3357 | else if (msi > 0 && pci_enable_msi(pdev) == 0) | |
3358 | adapter->flags |= USING_MSI; | |
3359 | ||
8c263761 DLR |
3360 | set_nqsets(adapter); |
3361 | ||
0ee8d33c | 3362 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
3363 | &cxgb3_attr_group); |
3364 | ||
3365 | print_port_info(adapter, ai); | |
3366 | return 0; | |
3367 | ||
3368 | out_free_dev: | |
3369 | iounmap(adapter->regs); | |
952cdf33 | 3370 | for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) |
4d22de3e DLR |
3371 | if (adapter->port[i]) |
3372 | free_netdev(adapter->port[i]); | |
3373 | ||
3374 | out_free_adapter: | |
3375 | kfree(adapter); | |
3376 | ||
4d22de3e DLR |
3377 | out_release_regions: |
3378 | pci_release_regions(pdev); | |
7aaaaa1e KV |
3379 | out_disable_device: |
3380 | pci_disable_device(pdev); | |
7aaaaa1e | 3381 | out: |
4d22de3e DLR |
3382 | return err; |
3383 | } | |
3384 | ||
2109eaab | 3385 | static void remove_one(struct pci_dev *pdev) |
4d22de3e | 3386 | { |
5fbf816f | 3387 | struct adapter *adapter = pci_get_drvdata(pdev); |
4d22de3e | 3388 | |
5fbf816f | 3389 | if (adapter) { |
4d22de3e | 3390 | int i; |
4d22de3e DLR |
3391 | |
3392 | t3_sge_stop(adapter); | |
0ee8d33c | 3393 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
3394 | &cxgb3_attr_group); |
3395 | ||
4d22de3e DLR |
3396 | if (is_offload(adapter)) { |
3397 | cxgb3_adapter_unofld(adapter); | |
3398 | if (test_bit(OFFLOAD_DEVMAP_BIT, | |
3399 | &adapter->open_device_map)) | |
3400 | offload_close(&adapter->tdev); | |
3401 | } | |
3402 | ||
67d92ab7 DLR |
3403 | for_each_port(adapter, i) |
3404 | if (test_bit(i, &adapter->registered_device_map)) | |
3405 | unregister_netdev(adapter->port[i]); | |
3406 | ||
0ca41c04 | 3407 | t3_stop_sge_timers(adapter); |
4d22de3e DLR |
3408 | t3_free_sge_resources(adapter); |
3409 | cxgb_disable_msi(adapter); | |
3410 | ||
4d22de3e DLR |
3411 | for_each_port(adapter, i) |
3412 | if (adapter->port[i]) | |
3413 | free_netdev(adapter->port[i]); | |
3414 | ||
3415 | iounmap(adapter->regs); | |
74b793e1 DLR |
3416 | if (adapter->nofail_skb) |
3417 | kfree_skb(adapter->nofail_skb); | |
4d22de3e DLR |
3418 | kfree(adapter); |
3419 | pci_release_regions(pdev); | |
3420 | pci_disable_device(pdev); | |
4d22de3e DLR |
3421 | } |
3422 | } | |
3423 | ||
3424 | static struct pci_driver driver = { | |
3425 | .name = DRV_NAME, | |
3426 | .id_table = cxgb3_pci_tbl, | |
3427 | .probe = init_one, | |
2109eaab | 3428 | .remove = remove_one, |
91a6b50c | 3429 | .err_handler = &t3_err_handler, |
4d22de3e DLR |
3430 | }; |
3431 | ||
3432 | static int __init cxgb3_init_module(void) | |
3433 | { | |
3434 | int ret; | |
3435 | ||
3436 | cxgb3_offload_init(); | |
3437 | ||
3438 | ret = pci_register_driver(&driver); | |
3439 | return ret; | |
3440 | } | |
3441 | ||
3442 | static void __exit cxgb3_cleanup_module(void) | |
3443 | { | |
3444 | pci_unregister_driver(&driver); | |
3445 | if (cxgb3_wq) | |
3446 | destroy_workqueue(cxgb3_wq); | |
3447 | } | |
3448 | ||
3449 | module_init(cxgb3_init_module); | |
3450 | module_exit(cxgb3_cleanup_module); |