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4d22de3e | 1 | /* |
1d68e93d | 2 | * Copyright (c) 2003-2007 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 | */ |
4d22de3e DLR |
32 | #include <linux/module.h> |
33 | #include <linux/moduleparam.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/dma-mapping.h> | |
37 | #include <linux/netdevice.h> | |
38 | #include <linux/etherdevice.h> | |
39 | #include <linux/if_vlan.h> | |
40 | #include <linux/mii.h> | |
41 | #include <linux/sockios.h> | |
42 | #include <linux/workqueue.h> | |
43 | #include <linux/proc_fs.h> | |
44 | #include <linux/rtnetlink.h> | |
2e283962 | 45 | #include <linux/firmware.h> |
d9da466a | 46 | #include <linux/log2.h> |
4d22de3e DLR |
47 | #include <asm/uaccess.h> |
48 | ||
49 | #include "common.h" | |
50 | #include "cxgb3_ioctl.h" | |
51 | #include "regs.h" | |
52 | #include "cxgb3_offload.h" | |
53 | #include "version.h" | |
54 | ||
55 | #include "cxgb3_ctl_defs.h" | |
56 | #include "t3_cpl.h" | |
57 | #include "firmware_exports.h" | |
58 | ||
59 | enum { | |
60 | MAX_TXQ_ENTRIES = 16384, | |
61 | MAX_CTRL_TXQ_ENTRIES = 1024, | |
62 | MAX_RSPQ_ENTRIES = 16384, | |
63 | MAX_RX_BUFFERS = 16384, | |
64 | MAX_RX_JUMBO_BUFFERS = 16384, | |
65 | MIN_TXQ_ENTRIES = 4, | |
66 | MIN_CTRL_TXQ_ENTRIES = 4, | |
67 | MIN_RSPQ_ENTRIES = 32, | |
68 | MIN_FL_ENTRIES = 32 | |
69 | }; | |
70 | ||
71 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
72 | ||
73 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
74 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
75 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
76 | ||
77 | #define EEPROM_MAGIC 0x38E2F10C | |
78 | ||
678771d6 DLR |
79 | #define CH_DEVICE(devid, idx) \ |
80 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } | |
4d22de3e DLR |
81 | |
82 | static const struct pci_device_id cxgb3_pci_tbl[] = { | |
678771d6 DLR |
83 | CH_DEVICE(0x20, 0), /* PE9000 */ |
84 | CH_DEVICE(0x21, 1), /* T302E */ | |
85 | CH_DEVICE(0x22, 2), /* T310E */ | |
86 | CH_DEVICE(0x23, 3), /* T320X */ | |
87 | CH_DEVICE(0x24, 1), /* T302X */ | |
88 | CH_DEVICE(0x25, 3), /* T320E */ | |
89 | CH_DEVICE(0x26, 2), /* T310X */ | |
90 | CH_DEVICE(0x30, 2), /* T3B10 */ | |
91 | CH_DEVICE(0x31, 3), /* T3B20 */ | |
92 | CH_DEVICE(0x32, 1), /* T3B02 */ | |
4d22de3e DLR |
93 | {0,} |
94 | }; | |
95 | ||
96 | MODULE_DESCRIPTION(DRV_DESC); | |
97 | MODULE_AUTHOR("Chelsio Communications"); | |
1d68e93d | 98 | MODULE_LICENSE("Dual BSD/GPL"); |
4d22de3e DLR |
99 | MODULE_VERSION(DRV_VERSION); |
100 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); | |
101 | ||
102 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
103 | ||
104 | module_param(dflt_msg_enable, int, 0644); | |
105 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); | |
106 | ||
107 | /* | |
108 | * The driver uses the best interrupt scheme available on a platform in the | |
109 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which | |
110 | * of these schemes the driver may consider as follows: | |
111 | * | |
112 | * msi = 2: choose from among all three options | |
113 | * msi = 1: only consider MSI and pin interrupts | |
114 | * msi = 0: force pin interrupts | |
115 | */ | |
116 | static int msi = 2; | |
117 | ||
118 | module_param(msi, int, 0644); | |
119 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); | |
120 | ||
121 | /* | |
122 | * The driver enables offload as a default. | |
123 | * To disable it, use ofld_disable = 1. | |
124 | */ | |
125 | ||
126 | static int ofld_disable = 0; | |
127 | ||
128 | module_param(ofld_disable, int, 0644); | |
129 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); | |
130 | ||
131 | /* | |
132 | * We have work elements that we need to cancel when an interface is taken | |
133 | * down. Normally the work elements would be executed by keventd but that | |
134 | * can deadlock because of linkwatch. If our close method takes the rtnl | |
135 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch | |
136 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting | |
137 | * for our work to complete. Get our own work queue to solve this. | |
138 | */ | |
139 | static struct workqueue_struct *cxgb3_wq; | |
140 | ||
141 | /** | |
142 | * link_report - show link status and link speed/duplex | |
143 | * @p: the port whose settings are to be reported | |
144 | * | |
145 | * Shows the link status, speed, and duplex of a port. | |
146 | */ | |
147 | static void link_report(struct net_device *dev) | |
148 | { | |
149 | if (!netif_carrier_ok(dev)) | |
150 | printk(KERN_INFO "%s: link down\n", dev->name); | |
151 | else { | |
152 | const char *s = "10Mbps"; | |
153 | const struct port_info *p = netdev_priv(dev); | |
154 | ||
155 | switch (p->link_config.speed) { | |
156 | case SPEED_10000: | |
157 | s = "10Gbps"; | |
158 | break; | |
159 | case SPEED_1000: | |
160 | s = "1000Mbps"; | |
161 | break; | |
162 | case SPEED_100: | |
163 | s = "100Mbps"; | |
164 | break; | |
165 | } | |
166 | ||
167 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", dev->name, s, | |
168 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); | |
169 | } | |
170 | } | |
171 | ||
172 | /** | |
173 | * t3_os_link_changed - handle link status changes | |
174 | * @adapter: the adapter associated with the link change | |
175 | * @port_id: the port index whose limk status has changed | |
176 | * @link_stat: the new status of the link | |
177 | * @speed: the new speed setting | |
178 | * @duplex: the new duplex setting | |
179 | * @pause: the new flow-control setting | |
180 | * | |
181 | * This is the OS-dependent handler for link status changes. The OS | |
182 | * neutral handler takes care of most of the processing for these events, | |
183 | * then calls this handler for any OS-specific processing. | |
184 | */ | |
185 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
186 | int speed, int duplex, int pause) | |
187 | { | |
188 | struct net_device *dev = adapter->port[port_id]; | |
6d6dabac DLR |
189 | struct port_info *pi = netdev_priv(dev); |
190 | struct cmac *mac = &pi->mac; | |
4d22de3e DLR |
191 | |
192 | /* Skip changes from disabled ports. */ | |
193 | if (!netif_running(dev)) | |
194 | return; | |
195 | ||
196 | if (link_stat != netif_carrier_ok(dev)) { | |
6d6dabac | 197 | if (link_stat) { |
59cf8107 | 198 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
4d22de3e | 199 | netif_carrier_on(dev); |
6d6dabac | 200 | } else { |
4d22de3e | 201 | netif_carrier_off(dev); |
59cf8107 DLR |
202 | pi->phy.ops->power_down(&pi->phy, 1); |
203 | t3_mac_disable(mac, MAC_DIRECTION_RX); | |
204 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
6d6dabac DLR |
205 | } |
206 | ||
4d22de3e DLR |
207 | link_report(dev); |
208 | } | |
209 | } | |
210 | ||
211 | static void cxgb_set_rxmode(struct net_device *dev) | |
212 | { | |
213 | struct t3_rx_mode rm; | |
214 | struct port_info *pi = netdev_priv(dev); | |
215 | ||
216 | init_rx_mode(&rm, dev, dev->mc_list); | |
217 | t3_mac_set_rx_mode(&pi->mac, &rm); | |
218 | } | |
219 | ||
220 | /** | |
221 | * link_start - enable a port | |
222 | * @dev: the device to enable | |
223 | * | |
224 | * Performs the MAC and PHY actions needed to enable a port. | |
225 | */ | |
226 | static void link_start(struct net_device *dev) | |
227 | { | |
228 | struct t3_rx_mode rm; | |
229 | struct port_info *pi = netdev_priv(dev); | |
230 | struct cmac *mac = &pi->mac; | |
231 | ||
232 | init_rx_mode(&rm, dev, dev->mc_list); | |
233 | t3_mac_reset(mac); | |
234 | t3_mac_set_mtu(mac, dev->mtu); | |
235 | t3_mac_set_address(mac, 0, dev->dev_addr); | |
236 | t3_mac_set_rx_mode(mac, &rm); | |
237 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
238 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
239 | } | |
240 | ||
241 | static inline void cxgb_disable_msi(struct adapter *adapter) | |
242 | { | |
243 | if (adapter->flags & USING_MSIX) { | |
244 | pci_disable_msix(adapter->pdev); | |
245 | adapter->flags &= ~USING_MSIX; | |
246 | } else if (adapter->flags & USING_MSI) { | |
247 | pci_disable_msi(adapter->pdev); | |
248 | adapter->flags &= ~USING_MSI; | |
249 | } | |
250 | } | |
251 | ||
252 | /* | |
253 | * Interrupt handler for asynchronous events used with MSI-X. | |
254 | */ | |
255 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) | |
256 | { | |
257 | t3_slow_intr_handler(cookie); | |
258 | return IRQ_HANDLED; | |
259 | } | |
260 | ||
261 | /* | |
262 | * Name the MSI-X interrupts. | |
263 | */ | |
264 | static void name_msix_vecs(struct adapter *adap) | |
265 | { | |
266 | int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; | |
267 | ||
268 | snprintf(adap->msix_info[0].desc, n, "%s", adap->name); | |
269 | adap->msix_info[0].desc[n] = 0; | |
270 | ||
271 | for_each_port(adap, j) { | |
272 | struct net_device *d = adap->port[j]; | |
273 | const struct port_info *pi = netdev_priv(d); | |
274 | ||
275 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { | |
276 | snprintf(adap->msix_info[msi_idx].desc, n, | |
8c263761 | 277 | "%s-%d", d->name, pi->first_qset + i); |
4d22de3e DLR |
278 | adap->msix_info[msi_idx].desc[n] = 0; |
279 | } | |
8c263761 | 280 | } |
4d22de3e DLR |
281 | } |
282 | ||
283 | static int request_msix_data_irqs(struct adapter *adap) | |
284 | { | |
285 | int i, j, err, qidx = 0; | |
286 | ||
287 | for_each_port(adap, i) { | |
288 | int nqsets = adap2pinfo(adap, i)->nqsets; | |
289 | ||
290 | for (j = 0; j < nqsets; ++j) { | |
291 | err = request_irq(adap->msix_info[qidx + 1].vec, | |
292 | t3_intr_handler(adap, | |
293 | adap->sge.qs[qidx]. | |
294 | rspq.polling), 0, | |
295 | adap->msix_info[qidx + 1].desc, | |
296 | &adap->sge.qs[qidx]); | |
297 | if (err) { | |
298 | while (--qidx >= 0) | |
299 | free_irq(adap->msix_info[qidx + 1].vec, | |
300 | &adap->sge.qs[qidx]); | |
301 | return err; | |
302 | } | |
303 | qidx++; | |
304 | } | |
305 | } | |
306 | return 0; | |
307 | } | |
308 | ||
8c263761 DLR |
309 | static void free_irq_resources(struct adapter *adapter) |
310 | { | |
311 | if (adapter->flags & USING_MSIX) { | |
312 | int i, n = 0; | |
313 | ||
314 | free_irq(adapter->msix_info[0].vec, adapter); | |
315 | for_each_port(adapter, i) | |
316 | n += adap2pinfo(adapter, i)->nqsets; | |
317 | ||
318 | for (i = 0; i < n; ++i) | |
319 | free_irq(adapter->msix_info[i + 1].vec, | |
320 | &adapter->sge.qs[i]); | |
321 | } else | |
322 | free_irq(adapter->pdev->irq, adapter); | |
323 | } | |
324 | ||
b881955b DLR |
325 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
326 | unsigned long n) | |
327 | { | |
328 | int attempts = 5; | |
329 | ||
330 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { | |
331 | if (!--attempts) | |
332 | return -ETIMEDOUT; | |
333 | msleep(10); | |
334 | } | |
335 | return 0; | |
336 | } | |
337 | ||
338 | static int init_tp_parity(struct adapter *adap) | |
339 | { | |
340 | int i; | |
341 | struct sk_buff *skb; | |
342 | struct cpl_set_tcb_field *greq; | |
343 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; | |
344 | ||
345 | t3_tp_set_offload_mode(adap, 1); | |
346 | ||
347 | for (i = 0; i < 16; i++) { | |
348 | struct cpl_smt_write_req *req; | |
349 | ||
350 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
351 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); | |
352 | memset(req, 0, sizeof(*req)); | |
353 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
354 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); | |
355 | req->iff = i; | |
356 | t3_mgmt_tx(adap, skb); | |
357 | } | |
358 | ||
359 | for (i = 0; i < 2048; i++) { | |
360 | struct cpl_l2t_write_req *req; | |
361 | ||
362 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
363 | req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req)); | |
364 | memset(req, 0, sizeof(*req)); | |
365 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
366 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); | |
367 | req->params = htonl(V_L2T_W_IDX(i)); | |
368 | t3_mgmt_tx(adap, skb); | |
369 | } | |
370 | ||
371 | for (i = 0; i < 2048; i++) { | |
372 | struct cpl_rte_write_req *req; | |
373 | ||
374 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
375 | req = (struct cpl_rte_write_req *)__skb_put(skb, sizeof(*req)); | |
376 | memset(req, 0, sizeof(*req)); | |
377 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
378 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); | |
379 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); | |
380 | t3_mgmt_tx(adap, skb); | |
381 | } | |
382 | ||
383 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL | __GFP_NOFAIL); | |
384 | greq = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*greq)); | |
385 | memset(greq, 0, sizeof(*greq)); | |
386 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
387 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); | |
388 | greq->mask = cpu_to_be64(1); | |
389 | t3_mgmt_tx(adap, skb); | |
390 | ||
391 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
392 | t3_tp_set_offload_mode(adap, 0); | |
393 | return i; | |
394 | } | |
395 | ||
4d22de3e DLR |
396 | /** |
397 | * setup_rss - configure RSS | |
398 | * @adap: the adapter | |
399 | * | |
400 | * Sets up RSS to distribute packets to multiple receive queues. We | |
401 | * configure the RSS CPU lookup table to distribute to the number of HW | |
402 | * receive queues, and the response queue lookup table to narrow that | |
403 | * down to the response queues actually configured for each port. | |
404 | * We always configure the RSS mapping for two ports since the mapping | |
405 | * table has plenty of entries. | |
406 | */ | |
407 | static void setup_rss(struct adapter *adap) | |
408 | { | |
409 | int i; | |
410 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; | |
411 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; | |
412 | u8 cpus[SGE_QSETS + 1]; | |
413 | u16 rspq_map[RSS_TABLE_SIZE]; | |
414 | ||
415 | for (i = 0; i < SGE_QSETS; ++i) | |
416 | cpus[i] = i; | |
417 | cpus[SGE_QSETS] = 0xff; /* terminator */ | |
418 | ||
419 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { | |
420 | rspq_map[i] = i % nq0; | |
421 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; | |
422 | } | |
423 | ||
424 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | | |
425 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | | |
a2604be5 | 426 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
4d22de3e DLR |
427 | } |
428 | ||
bea3348e | 429 | static void init_napi(struct adapter *adap) |
4d22de3e | 430 | { |
bea3348e | 431 | int i; |
4d22de3e | 432 | |
bea3348e SH |
433 | for (i = 0; i < SGE_QSETS; i++) { |
434 | struct sge_qset *qs = &adap->sge.qs[i]; | |
4d22de3e | 435 | |
bea3348e SH |
436 | if (qs->adap) |
437 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, | |
438 | 64); | |
4d22de3e | 439 | } |
48c4b6db DLR |
440 | |
441 | /* | |
442 | * netif_napi_add() can be called only once per napi_struct because it | |
443 | * adds each new napi_struct to a list. Be careful not to call it a | |
444 | * second time, e.g., during EEH recovery, by making a note of it. | |
445 | */ | |
446 | adap->flags |= NAPI_INIT; | |
4d22de3e DLR |
447 | } |
448 | ||
449 | /* | |
450 | * Wait until all NAPI handlers are descheduled. This includes the handlers of | |
451 | * both netdevices representing interfaces and the dummy ones for the extra | |
452 | * queues. | |
453 | */ | |
454 | static void quiesce_rx(struct adapter *adap) | |
455 | { | |
456 | int i; | |
4d22de3e | 457 | |
bea3348e SH |
458 | for (i = 0; i < SGE_QSETS; i++) |
459 | if (adap->sge.qs[i].adap) | |
460 | napi_disable(&adap->sge.qs[i].napi); | |
461 | } | |
4d22de3e | 462 | |
bea3348e SH |
463 | static void enable_all_napi(struct adapter *adap) |
464 | { | |
465 | int i; | |
466 | for (i = 0; i < SGE_QSETS; i++) | |
467 | if (adap->sge.qs[i].adap) | |
468 | napi_enable(&adap->sge.qs[i].napi); | |
4d22de3e DLR |
469 | } |
470 | ||
471 | /** | |
472 | * setup_sge_qsets - configure SGE Tx/Rx/response queues | |
473 | * @adap: the adapter | |
474 | * | |
475 | * Determines how many sets of SGE queues to use and initializes them. | |
476 | * We support multiple queue sets per port if we have MSI-X, otherwise | |
477 | * just one queue set per port. | |
478 | */ | |
479 | static int setup_sge_qsets(struct adapter *adap) | |
480 | { | |
bea3348e | 481 | int i, j, err, irq_idx = 0, qset_idx = 0; |
8ac3ba68 | 482 | unsigned int ntxq = SGE_TXQ_PER_SET; |
4d22de3e DLR |
483 | |
484 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) | |
485 | irq_idx = -1; | |
486 | ||
487 | for_each_port(adap, i) { | |
488 | struct net_device *dev = adap->port[i]; | |
bea3348e | 489 | struct port_info *pi = netdev_priv(dev); |
4d22de3e | 490 | |
bea3348e | 491 | pi->qs = &adap->sge.qs[pi->first_qset]; |
8c263761 DLR |
492 | for (j = pi->first_qset; j < pi->first_qset + pi->nqsets; |
493 | ++j, ++qset_idx) { | |
494 | if (!pi->rx_csum_offload) | |
495 | adap->params.sge.qset[qset_idx].lro = 0; | |
4d22de3e DLR |
496 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
497 | (adap->flags & USING_MSIX) ? qset_idx + 1 : | |
498 | irq_idx, | |
bea3348e | 499 | &adap->params.sge.qset[qset_idx], ntxq, dev); |
4d22de3e | 500 | if (err) { |
0ca41c04 | 501 | t3_stop_sge_timers(adap); |
4d22de3e DLR |
502 | t3_free_sge_resources(adap); |
503 | return err; | |
504 | } | |
505 | } | |
506 | } | |
507 | ||
508 | return 0; | |
509 | } | |
510 | ||
3e5192ee | 511 | static ssize_t attr_show(struct device *d, char *buf, |
896392ef | 512 | ssize_t(*format) (struct net_device *, char *)) |
4d22de3e DLR |
513 | { |
514 | ssize_t len; | |
4d22de3e DLR |
515 | |
516 | /* Synchronize with ioctls that may shut down the device */ | |
517 | rtnl_lock(); | |
896392ef | 518 | len = (*format) (to_net_dev(d), buf); |
4d22de3e DLR |
519 | rtnl_unlock(); |
520 | return len; | |
521 | } | |
522 | ||
3e5192ee | 523 | static ssize_t attr_store(struct device *d, |
0ee8d33c | 524 | const char *buf, size_t len, |
896392ef | 525 | ssize_t(*set) (struct net_device *, unsigned int), |
4d22de3e DLR |
526 | unsigned int min_val, unsigned int max_val) |
527 | { | |
528 | char *endp; | |
529 | ssize_t ret; | |
530 | unsigned int val; | |
4d22de3e DLR |
531 | |
532 | if (!capable(CAP_NET_ADMIN)) | |
533 | return -EPERM; | |
534 | ||
535 | val = simple_strtoul(buf, &endp, 0); | |
536 | if (endp == buf || val < min_val || val > max_val) | |
537 | return -EINVAL; | |
538 | ||
539 | rtnl_lock(); | |
896392ef | 540 | ret = (*set) (to_net_dev(d), val); |
4d22de3e DLR |
541 | if (!ret) |
542 | ret = len; | |
543 | rtnl_unlock(); | |
544 | return ret; | |
545 | } | |
546 | ||
547 | #define CXGB3_SHOW(name, val_expr) \ | |
896392ef | 548 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
4d22de3e | 549 | { \ |
5fbf816f DLR |
550 | struct port_info *pi = netdev_priv(dev); \ |
551 | struct adapter *adap = pi->adapter; \ | |
4d22de3e DLR |
552 | return sprintf(buf, "%u\n", val_expr); \ |
553 | } \ | |
0ee8d33c DLR |
554 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
555 | char *buf) \ | |
4d22de3e | 556 | { \ |
3e5192ee | 557 | return attr_show(d, buf, format_##name); \ |
4d22de3e DLR |
558 | } |
559 | ||
896392ef | 560 | static ssize_t set_nfilters(struct net_device *dev, unsigned int val) |
4d22de3e | 561 | { |
5fbf816f DLR |
562 | struct port_info *pi = netdev_priv(dev); |
563 | struct adapter *adap = pi->adapter; | |
9f238486 | 564 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
896392ef | 565 | |
4d22de3e DLR |
566 | if (adap->flags & FULL_INIT_DONE) |
567 | return -EBUSY; | |
568 | if (val && adap->params.rev == 0) | |
569 | return -EINVAL; | |
9f238486 DLR |
570 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
571 | min_tids) | |
4d22de3e DLR |
572 | return -EINVAL; |
573 | adap->params.mc5.nfilters = val; | |
574 | return 0; | |
575 | } | |
576 | ||
0ee8d33c DLR |
577 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
578 | const char *buf, size_t len) | |
4d22de3e | 579 | { |
3e5192ee | 580 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
4d22de3e DLR |
581 | } |
582 | ||
896392ef | 583 | static ssize_t set_nservers(struct net_device *dev, unsigned int val) |
4d22de3e | 584 | { |
5fbf816f DLR |
585 | struct port_info *pi = netdev_priv(dev); |
586 | struct adapter *adap = pi->adapter; | |
896392ef | 587 | |
4d22de3e DLR |
588 | if (adap->flags & FULL_INIT_DONE) |
589 | return -EBUSY; | |
9f238486 DLR |
590 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
591 | MC5_MIN_TIDS) | |
4d22de3e DLR |
592 | return -EINVAL; |
593 | adap->params.mc5.nservers = val; | |
594 | return 0; | |
595 | } | |
596 | ||
0ee8d33c DLR |
597 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
598 | const char *buf, size_t len) | |
4d22de3e | 599 | { |
3e5192ee | 600 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
4d22de3e DLR |
601 | } |
602 | ||
603 | #define CXGB3_ATTR_R(name, val_expr) \ | |
604 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 605 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) |
4d22de3e DLR |
606 | |
607 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ | |
608 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 609 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method) |
4d22de3e DLR |
610 | |
611 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); | |
612 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); | |
613 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); | |
614 | ||
615 | static struct attribute *cxgb3_attrs[] = { | |
0ee8d33c DLR |
616 | &dev_attr_cam_size.attr, |
617 | &dev_attr_nfilters.attr, | |
618 | &dev_attr_nservers.attr, | |
4d22de3e DLR |
619 | NULL |
620 | }; | |
621 | ||
622 | static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; | |
623 | ||
3e5192ee | 624 | static ssize_t tm_attr_show(struct device *d, |
0ee8d33c | 625 | char *buf, int sched) |
4d22de3e | 626 | { |
5fbf816f DLR |
627 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
628 | struct adapter *adap = pi->adapter; | |
4d22de3e | 629 | unsigned int v, addr, bpt, cpt; |
5fbf816f | 630 | ssize_t len; |
4d22de3e DLR |
631 | |
632 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; | |
633 | rtnl_lock(); | |
634 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); | |
635 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); | |
636 | if (sched & 1) | |
637 | v >>= 16; | |
638 | bpt = (v >> 8) & 0xff; | |
639 | cpt = v & 0xff; | |
640 | if (!cpt) | |
641 | len = sprintf(buf, "disabled\n"); | |
642 | else { | |
643 | v = (adap->params.vpd.cclk * 1000) / cpt; | |
644 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); | |
645 | } | |
646 | rtnl_unlock(); | |
647 | return len; | |
648 | } | |
649 | ||
3e5192ee | 650 | static ssize_t tm_attr_store(struct device *d, |
0ee8d33c | 651 | const char *buf, size_t len, int sched) |
4d22de3e | 652 | { |
5fbf816f DLR |
653 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
654 | struct adapter *adap = pi->adapter; | |
655 | unsigned int val; | |
4d22de3e DLR |
656 | char *endp; |
657 | ssize_t ret; | |
4d22de3e DLR |
658 | |
659 | if (!capable(CAP_NET_ADMIN)) | |
660 | return -EPERM; | |
661 | ||
662 | val = simple_strtoul(buf, &endp, 0); | |
663 | if (endp == buf || val > 10000000) | |
664 | return -EINVAL; | |
665 | ||
666 | rtnl_lock(); | |
667 | ret = t3_config_sched(adap, val, sched); | |
668 | if (!ret) | |
669 | ret = len; | |
670 | rtnl_unlock(); | |
671 | return ret; | |
672 | } | |
673 | ||
674 | #define TM_ATTR(name, sched) \ | |
0ee8d33c DLR |
675 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
676 | char *buf) \ | |
4d22de3e | 677 | { \ |
3e5192ee | 678 | return tm_attr_show(d, buf, sched); \ |
4d22de3e | 679 | } \ |
0ee8d33c DLR |
680 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
681 | const char *buf, size_t len) \ | |
4d22de3e | 682 | { \ |
3e5192ee | 683 | return tm_attr_store(d, buf, len, sched); \ |
4d22de3e | 684 | } \ |
0ee8d33c | 685 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name) |
4d22de3e DLR |
686 | |
687 | TM_ATTR(sched0, 0); | |
688 | TM_ATTR(sched1, 1); | |
689 | TM_ATTR(sched2, 2); | |
690 | TM_ATTR(sched3, 3); | |
691 | TM_ATTR(sched4, 4); | |
692 | TM_ATTR(sched5, 5); | |
693 | TM_ATTR(sched6, 6); | |
694 | TM_ATTR(sched7, 7); | |
695 | ||
696 | static struct attribute *offload_attrs[] = { | |
0ee8d33c DLR |
697 | &dev_attr_sched0.attr, |
698 | &dev_attr_sched1.attr, | |
699 | &dev_attr_sched2.attr, | |
700 | &dev_attr_sched3.attr, | |
701 | &dev_attr_sched4.attr, | |
702 | &dev_attr_sched5.attr, | |
703 | &dev_attr_sched6.attr, | |
704 | &dev_attr_sched7.attr, | |
4d22de3e DLR |
705 | NULL |
706 | }; | |
707 | ||
708 | static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; | |
709 | ||
710 | /* | |
711 | * Sends an sk_buff to an offload queue driver | |
712 | * after dealing with any active network taps. | |
713 | */ | |
714 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) | |
715 | { | |
716 | int ret; | |
717 | ||
718 | local_bh_disable(); | |
719 | ret = t3_offload_tx(tdev, skb); | |
720 | local_bh_enable(); | |
721 | return ret; | |
722 | } | |
723 | ||
724 | static int write_smt_entry(struct adapter *adapter, int idx) | |
725 | { | |
726 | struct cpl_smt_write_req *req; | |
727 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); | |
728 | ||
729 | if (!skb) | |
730 | return -ENOMEM; | |
731 | ||
732 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); | |
733 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
734 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); | |
735 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ | |
736 | req->iff = idx; | |
737 | memset(req->src_mac1, 0, sizeof(req->src_mac1)); | |
738 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); | |
739 | skb->priority = 1; | |
740 | offload_tx(&adapter->tdev, skb); | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int init_smt(struct adapter *adapter) | |
745 | { | |
746 | int i; | |
747 | ||
748 | for_each_port(adapter, i) | |
749 | write_smt_entry(adapter, i); | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static void init_port_mtus(struct adapter *adapter) | |
754 | { | |
755 | unsigned int mtus = adapter->port[0]->mtu; | |
756 | ||
757 | if (adapter->port[1]) | |
758 | mtus |= adapter->port[1]->mtu << 16; | |
759 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); | |
760 | } | |
761 | ||
8c263761 | 762 | static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, |
14ab9892 DLR |
763 | int hi, int port) |
764 | { | |
765 | struct sk_buff *skb; | |
766 | struct mngt_pktsched_wr *req; | |
8c263761 | 767 | int ret; |
14ab9892 DLR |
768 | |
769 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
770 | req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); | |
771 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); | |
772 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; | |
773 | req->sched = sched; | |
774 | req->idx = qidx; | |
775 | req->min = lo; | |
776 | req->max = hi; | |
777 | req->binding = port; | |
8c263761 DLR |
778 | ret = t3_mgmt_tx(adap, skb); |
779 | ||
780 | return ret; | |
14ab9892 DLR |
781 | } |
782 | ||
8c263761 | 783 | static int bind_qsets(struct adapter *adap) |
14ab9892 | 784 | { |
8c263761 | 785 | int i, j, err = 0; |
14ab9892 DLR |
786 | |
787 | for_each_port(adap, i) { | |
788 | const struct port_info *pi = adap2pinfo(adap, i); | |
789 | ||
8c263761 DLR |
790 | for (j = 0; j < pi->nqsets; ++j) { |
791 | int ret = send_pktsched_cmd(adap, 1, | |
792 | pi->first_qset + j, -1, | |
793 | -1, i); | |
794 | if (ret) | |
795 | err = ret; | |
796 | } | |
14ab9892 | 797 | } |
8c263761 DLR |
798 | |
799 | return err; | |
14ab9892 DLR |
800 | } |
801 | ||
7f672cf5 | 802 | #define FW_FNAME "t3fw-%d.%d.%d.bin" |
47330077 | 803 | #define TPSRAM_NAME "t3%c_protocol_sram-%d.%d.%d.bin" |
2e283962 DLR |
804 | |
805 | static int upgrade_fw(struct adapter *adap) | |
806 | { | |
807 | int ret; | |
808 | char buf[64]; | |
809 | const struct firmware *fw; | |
810 | struct device *dev = &adap->pdev->dev; | |
811 | ||
812 | snprintf(buf, sizeof(buf), FW_FNAME, FW_VERSION_MAJOR, | |
7f672cf5 | 813 | FW_VERSION_MINOR, FW_VERSION_MICRO); |
2e283962 DLR |
814 | ret = request_firmware(&fw, buf, dev); |
815 | if (ret < 0) { | |
816 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", | |
817 | buf); | |
818 | return ret; | |
819 | } | |
820 | ret = t3_load_fw(adap, fw->data, fw->size); | |
821 | release_firmware(fw); | |
47330077 DLR |
822 | |
823 | if (ret == 0) | |
824 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", | |
825 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
826 | else | |
827 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", | |
828 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
2eab17ab | 829 | |
47330077 DLR |
830 | return ret; |
831 | } | |
832 | ||
833 | static inline char t3rev2char(struct adapter *adapter) | |
834 | { | |
835 | char rev = 0; | |
836 | ||
837 | switch(adapter->params.rev) { | |
838 | case T3_REV_B: | |
839 | case T3_REV_B2: | |
840 | rev = 'b'; | |
841 | break; | |
1aafee26 DLR |
842 | case T3_REV_C: |
843 | rev = 'c'; | |
844 | break; | |
47330077 DLR |
845 | } |
846 | return rev; | |
847 | } | |
848 | ||
9265fabf | 849 | static int update_tpsram(struct adapter *adap) |
47330077 DLR |
850 | { |
851 | const struct firmware *tpsram; | |
852 | char buf[64]; | |
853 | struct device *dev = &adap->pdev->dev; | |
854 | int ret; | |
855 | char rev; | |
2eab17ab | 856 | |
47330077 DLR |
857 | rev = t3rev2char(adap); |
858 | if (!rev) | |
859 | return 0; | |
860 | ||
861 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev, | |
862 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
863 | ||
864 | ret = request_firmware(&tpsram, buf, dev); | |
865 | if (ret < 0) { | |
866 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", | |
867 | buf); | |
868 | return ret; | |
869 | } | |
2eab17ab | 870 | |
47330077 DLR |
871 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
872 | if (ret) | |
2eab17ab | 873 | goto release_tpsram; |
47330077 DLR |
874 | |
875 | ret = t3_set_proto_sram(adap, tpsram->data); | |
876 | if (ret == 0) | |
877 | dev_info(dev, | |
878 | "successful update of protocol engine " | |
879 | "to %d.%d.%d\n", | |
880 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
881 | else | |
882 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", | |
883 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
884 | if (ret) | |
885 | dev_err(dev, "loading protocol SRAM failed\n"); | |
886 | ||
887 | release_tpsram: | |
888 | release_firmware(tpsram); | |
2eab17ab | 889 | |
2e283962 DLR |
890 | return ret; |
891 | } | |
892 | ||
4d22de3e DLR |
893 | /** |
894 | * cxgb_up - enable the adapter | |
895 | * @adapter: adapter being enabled | |
896 | * | |
897 | * Called when the first port is enabled, this function performs the | |
898 | * actions necessary to make an adapter operational, such as completing | |
899 | * the initialization of HW modules, and enabling interrupts. | |
900 | * | |
901 | * Must be called with the rtnl lock held. | |
902 | */ | |
903 | static int cxgb_up(struct adapter *adap) | |
904 | { | |
c54f5c24 | 905 | int err; |
47330077 | 906 | int must_load; |
4d22de3e DLR |
907 | |
908 | if (!(adap->flags & FULL_INIT_DONE)) { | |
a5a3b460 DLR |
909 | err = t3_check_fw_version(adap, &must_load); |
910 | if (err == -EINVAL) { | |
2e283962 | 911 | err = upgrade_fw(adap); |
a5a3b460 DLR |
912 | if (err && must_load) |
913 | goto out; | |
914 | } | |
4d22de3e | 915 | |
47330077 DLR |
916 | err = t3_check_tpsram_version(adap, &must_load); |
917 | if (err == -EINVAL) { | |
918 | err = update_tpsram(adap); | |
919 | if (err && must_load) | |
920 | goto out; | |
921 | } | |
922 | ||
20d3fc11 DLR |
923 | /* |
924 | * Clear interrupts now to catch errors if t3_init_hw fails. | |
925 | * We clear them again later as initialization may trigger | |
926 | * conditions that can interrupt. | |
927 | */ | |
928 | t3_intr_clear(adap); | |
929 | ||
4d22de3e DLR |
930 | err = t3_init_hw(adap, 0); |
931 | if (err) | |
932 | goto out; | |
933 | ||
b881955b | 934 | t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); |
6cdbd77e | 935 | t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); |
bea3348e | 936 | |
4d22de3e DLR |
937 | err = setup_sge_qsets(adap); |
938 | if (err) | |
939 | goto out; | |
940 | ||
941 | setup_rss(adap); | |
48c4b6db DLR |
942 | if (!(adap->flags & NAPI_INIT)) |
943 | init_napi(adap); | |
4d22de3e DLR |
944 | adap->flags |= FULL_INIT_DONE; |
945 | } | |
946 | ||
947 | t3_intr_clear(adap); | |
948 | ||
949 | if (adap->flags & USING_MSIX) { | |
950 | name_msix_vecs(adap); | |
951 | err = request_irq(adap->msix_info[0].vec, | |
952 | t3_async_intr_handler, 0, | |
953 | adap->msix_info[0].desc, adap); | |
954 | if (err) | |
955 | goto irq_err; | |
956 | ||
42256f57 DLR |
957 | err = request_msix_data_irqs(adap); |
958 | if (err) { | |
4d22de3e DLR |
959 | free_irq(adap->msix_info[0].vec, adap); |
960 | goto irq_err; | |
961 | } | |
962 | } else if ((err = request_irq(adap->pdev->irq, | |
963 | t3_intr_handler(adap, | |
964 | adap->sge.qs[0].rspq. | |
965 | polling), | |
2db6346f TG |
966 | (adap->flags & USING_MSI) ? |
967 | 0 : IRQF_SHARED, | |
4d22de3e DLR |
968 | adap->name, adap))) |
969 | goto irq_err; | |
970 | ||
bea3348e | 971 | enable_all_napi(adap); |
4d22de3e DLR |
972 | t3_sge_start(adap); |
973 | t3_intr_enable(adap); | |
14ab9892 | 974 | |
b881955b DLR |
975 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
976 | is_offload(adap) && init_tp_parity(adap) == 0) | |
977 | adap->flags |= TP_PARITY_INIT; | |
978 | ||
979 | if (adap->flags & TP_PARITY_INIT) { | |
980 | t3_write_reg(adap, A_TP_INT_CAUSE, | |
981 | F_CMCACHEPERR | F_ARPLUTPERR); | |
982 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); | |
983 | } | |
984 | ||
8c263761 DLR |
985 | if (!(adap->flags & QUEUES_BOUND)) { |
986 | err = bind_qsets(adap); | |
987 | if (err) { | |
988 | CH_ERR(adap, "failed to bind qsets, err %d\n", err); | |
989 | t3_intr_disable(adap); | |
990 | free_irq_resources(adap); | |
991 | goto out; | |
992 | } | |
993 | adap->flags |= QUEUES_BOUND; | |
994 | } | |
14ab9892 | 995 | |
4d22de3e DLR |
996 | out: |
997 | return err; | |
998 | irq_err: | |
999 | CH_ERR(adap, "request_irq failed, err %d\n", err); | |
1000 | goto out; | |
1001 | } | |
1002 | ||
1003 | /* | |
1004 | * Release resources when all the ports and offloading have been stopped. | |
1005 | */ | |
1006 | static void cxgb_down(struct adapter *adapter) | |
1007 | { | |
1008 | t3_sge_stop(adapter); | |
1009 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ | |
1010 | t3_intr_disable(adapter); | |
1011 | spin_unlock_irq(&adapter->work_lock); | |
1012 | ||
8c263761 | 1013 | free_irq_resources(adapter); |
4d22de3e DLR |
1014 | flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ |
1015 | quiesce_rx(adapter); | |
1016 | } | |
1017 | ||
1018 | static void schedule_chk_task(struct adapter *adap) | |
1019 | { | |
1020 | unsigned int timeo; | |
1021 | ||
1022 | timeo = adap->params.linkpoll_period ? | |
1023 | (HZ * adap->params.linkpoll_period) / 10 : | |
1024 | adap->params.stats_update_period * HZ; | |
1025 | if (timeo) | |
1026 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); | |
1027 | } | |
1028 | ||
1029 | static int offload_open(struct net_device *dev) | |
1030 | { | |
5fbf816f DLR |
1031 | struct port_info *pi = netdev_priv(dev); |
1032 | struct adapter *adapter = pi->adapter; | |
1033 | struct t3cdev *tdev = dev2t3cdev(dev); | |
4d22de3e | 1034 | int adap_up = adapter->open_device_map & PORT_MASK; |
c54f5c24 | 1035 | int err; |
4d22de3e DLR |
1036 | |
1037 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1038 | return 0; | |
1039 | ||
1040 | if (!adap_up && (err = cxgb_up(adapter)) < 0) | |
48c4b6db | 1041 | goto out; |
4d22de3e DLR |
1042 | |
1043 | t3_tp_set_offload_mode(adapter, 1); | |
1044 | tdev->lldev = adapter->port[0]; | |
1045 | err = cxgb3_offload_activate(adapter); | |
1046 | if (err) | |
1047 | goto out; | |
1048 | ||
1049 | init_port_mtus(adapter); | |
1050 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, | |
1051 | adapter->params.b_wnd, | |
1052 | adapter->params.rev == 0 ? | |
1053 | adapter->port[0]->mtu : 0xffff); | |
1054 | init_smt(adapter); | |
1055 | ||
d96a51f6 DN |
1056 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
1057 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); | |
4d22de3e DLR |
1058 | |
1059 | /* Call back all registered clients */ | |
1060 | cxgb3_add_clients(tdev); | |
1061 | ||
1062 | out: | |
1063 | /* restore them in case the offload module has changed them */ | |
1064 | if (err) { | |
1065 | t3_tp_set_offload_mode(adapter, 0); | |
1066 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1067 | cxgb3_set_dummy_ops(tdev); | |
1068 | } | |
1069 | return err; | |
1070 | } | |
1071 | ||
1072 | static int offload_close(struct t3cdev *tdev) | |
1073 | { | |
1074 | struct adapter *adapter = tdev2adap(tdev); | |
1075 | ||
1076 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1077 | return 0; | |
1078 | ||
1079 | /* Call back all registered clients */ | |
1080 | cxgb3_remove_clients(tdev); | |
1081 | ||
0ee8d33c | 1082 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
4d22de3e DLR |
1083 | |
1084 | tdev->lldev = NULL; | |
1085 | cxgb3_set_dummy_ops(tdev); | |
1086 | t3_tp_set_offload_mode(adapter, 0); | |
1087 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1088 | ||
1089 | if (!adapter->open_device_map) | |
1090 | cxgb_down(adapter); | |
1091 | ||
1092 | cxgb3_offload_deactivate(adapter); | |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | static int cxgb_open(struct net_device *dev) | |
1097 | { | |
4d22de3e | 1098 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1099 | struct adapter *adapter = pi->adapter; |
4d22de3e | 1100 | int other_ports = adapter->open_device_map & PORT_MASK; |
5fbf816f | 1101 | int err; |
4d22de3e | 1102 | |
48c4b6db | 1103 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
4d22de3e DLR |
1104 | return err; |
1105 | ||
1106 | set_bit(pi->port_id, &adapter->open_device_map); | |
8ac3ba68 | 1107 | if (is_offload(adapter) && !ofld_disable) { |
4d22de3e DLR |
1108 | err = offload_open(dev); |
1109 | if (err) | |
1110 | printk(KERN_WARNING | |
1111 | "Could not initialize offload capabilities\n"); | |
1112 | } | |
1113 | ||
1114 | link_start(dev); | |
1115 | t3_port_intr_enable(adapter, pi->port_id); | |
1116 | netif_start_queue(dev); | |
1117 | if (!other_ports) | |
1118 | schedule_chk_task(adapter); | |
1119 | ||
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | static int cxgb_close(struct net_device *dev) | |
1124 | { | |
5fbf816f DLR |
1125 | struct port_info *pi = netdev_priv(dev); |
1126 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1127 | |
5fbf816f | 1128 | t3_port_intr_disable(adapter, pi->port_id); |
4d22de3e | 1129 | netif_stop_queue(dev); |
5fbf816f | 1130 | pi->phy.ops->power_down(&pi->phy, 1); |
4d22de3e | 1131 | netif_carrier_off(dev); |
5fbf816f | 1132 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
4d22de3e | 1133 | |
20d3fc11 | 1134 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
5fbf816f | 1135 | clear_bit(pi->port_id, &adapter->open_device_map); |
20d3fc11 | 1136 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
1137 | |
1138 | if (!(adapter->open_device_map & PORT_MASK)) | |
1139 | cancel_rearming_delayed_workqueue(cxgb3_wq, | |
1140 | &adapter->adap_check_task); | |
1141 | ||
1142 | if (!adapter->open_device_map) | |
1143 | cxgb_down(adapter); | |
1144 | ||
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) | |
1149 | { | |
5fbf816f DLR |
1150 | struct port_info *pi = netdev_priv(dev); |
1151 | struct adapter *adapter = pi->adapter; | |
1152 | struct net_device_stats *ns = &pi->netstats; | |
4d22de3e DLR |
1153 | const struct mac_stats *pstats; |
1154 | ||
1155 | spin_lock(&adapter->stats_lock); | |
5fbf816f | 1156 | pstats = t3_mac_update_stats(&pi->mac); |
4d22de3e DLR |
1157 | spin_unlock(&adapter->stats_lock); |
1158 | ||
1159 | ns->tx_bytes = pstats->tx_octets; | |
1160 | ns->tx_packets = pstats->tx_frames; | |
1161 | ns->rx_bytes = pstats->rx_octets; | |
1162 | ns->rx_packets = pstats->rx_frames; | |
1163 | ns->multicast = pstats->rx_mcast_frames; | |
1164 | ||
1165 | ns->tx_errors = pstats->tx_underrun; | |
1166 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + | |
1167 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + | |
1168 | pstats->rx_fifo_ovfl; | |
1169 | ||
1170 | /* detailed rx_errors */ | |
1171 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; | |
1172 | ns->rx_over_errors = 0; | |
1173 | ns->rx_crc_errors = pstats->rx_fcs_errs; | |
1174 | ns->rx_frame_errors = pstats->rx_symbol_errs; | |
1175 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; | |
1176 | ns->rx_missed_errors = pstats->rx_cong_drops; | |
1177 | ||
1178 | /* detailed tx_errors */ | |
1179 | ns->tx_aborted_errors = 0; | |
1180 | ns->tx_carrier_errors = 0; | |
1181 | ns->tx_fifo_errors = pstats->tx_underrun; | |
1182 | ns->tx_heartbeat_errors = 0; | |
1183 | ns->tx_window_errors = 0; | |
1184 | return ns; | |
1185 | } | |
1186 | ||
1187 | static u32 get_msglevel(struct net_device *dev) | |
1188 | { | |
5fbf816f DLR |
1189 | struct port_info *pi = netdev_priv(dev); |
1190 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1191 | |
1192 | return adapter->msg_enable; | |
1193 | } | |
1194 | ||
1195 | static void set_msglevel(struct net_device *dev, u32 val) | |
1196 | { | |
5fbf816f DLR |
1197 | struct port_info *pi = netdev_priv(dev); |
1198 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1199 | |
1200 | adapter->msg_enable = val; | |
1201 | } | |
1202 | ||
1203 | static char stats_strings[][ETH_GSTRING_LEN] = { | |
1204 | "TxOctetsOK ", | |
1205 | "TxFramesOK ", | |
1206 | "TxMulticastFramesOK", | |
1207 | "TxBroadcastFramesOK", | |
1208 | "TxPauseFrames ", | |
1209 | "TxUnderrun ", | |
1210 | "TxExtUnderrun ", | |
1211 | ||
1212 | "TxFrames64 ", | |
1213 | "TxFrames65To127 ", | |
1214 | "TxFrames128To255 ", | |
1215 | "TxFrames256To511 ", | |
1216 | "TxFrames512To1023 ", | |
1217 | "TxFrames1024To1518 ", | |
1218 | "TxFrames1519ToMax ", | |
1219 | ||
1220 | "RxOctetsOK ", | |
1221 | "RxFramesOK ", | |
1222 | "RxMulticastFramesOK", | |
1223 | "RxBroadcastFramesOK", | |
1224 | "RxPauseFrames ", | |
1225 | "RxFCSErrors ", | |
1226 | "RxSymbolErrors ", | |
1227 | "RxShortErrors ", | |
1228 | "RxJabberErrors ", | |
1229 | "RxLengthErrors ", | |
1230 | "RxFIFOoverflow ", | |
1231 | ||
1232 | "RxFrames64 ", | |
1233 | "RxFrames65To127 ", | |
1234 | "RxFrames128To255 ", | |
1235 | "RxFrames256To511 ", | |
1236 | "RxFrames512To1023 ", | |
1237 | "RxFrames1024To1518 ", | |
1238 | "RxFrames1519ToMax ", | |
1239 | ||
1240 | "PhyFIFOErrors ", | |
1241 | "TSO ", | |
1242 | "VLANextractions ", | |
1243 | "VLANinsertions ", | |
1244 | "TxCsumOffload ", | |
1245 | "RxCsumGood ", | |
b47385bd DLR |
1246 | "LroAggregated ", |
1247 | "LroFlushed ", | |
1248 | "LroNoDesc ", | |
fc90664e DLR |
1249 | "RxDrops ", |
1250 | ||
1251 | "CheckTXEnToggled ", | |
1252 | "CheckResets ", | |
1253 | ||
4d22de3e DLR |
1254 | }; |
1255 | ||
b9f2c044 | 1256 | static int get_sset_count(struct net_device *dev, int sset) |
4d22de3e | 1257 | { |
b9f2c044 JG |
1258 | switch (sset) { |
1259 | case ETH_SS_STATS: | |
1260 | return ARRAY_SIZE(stats_strings); | |
1261 | default: | |
1262 | return -EOPNOTSUPP; | |
1263 | } | |
4d22de3e DLR |
1264 | } |
1265 | ||
1266 | #define T3_REGMAP_SIZE (3 * 1024) | |
1267 | ||
1268 | static int get_regs_len(struct net_device *dev) | |
1269 | { | |
1270 | return T3_REGMAP_SIZE; | |
1271 | } | |
1272 | ||
1273 | static int get_eeprom_len(struct net_device *dev) | |
1274 | { | |
1275 | return EEPROMSIZE; | |
1276 | } | |
1277 | ||
1278 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
1279 | { | |
5fbf816f DLR |
1280 | struct port_info *pi = netdev_priv(dev); |
1281 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1282 | u32 fw_vers = 0; |
47330077 | 1283 | u32 tp_vers = 0; |
4d22de3e DLR |
1284 | |
1285 | t3_get_fw_version(adapter, &fw_vers); | |
47330077 | 1286 | t3_get_tp_version(adapter, &tp_vers); |
4d22de3e DLR |
1287 | |
1288 | strcpy(info->driver, DRV_NAME); | |
1289 | strcpy(info->version, DRV_VERSION); | |
1290 | strcpy(info->bus_info, pci_name(adapter->pdev)); | |
1291 | if (!fw_vers) | |
1292 | strcpy(info->fw_version, "N/A"); | |
4aac3899 | 1293 | else { |
4d22de3e | 1294 | snprintf(info->fw_version, sizeof(info->fw_version), |
47330077 | 1295 | "%s %u.%u.%u TP %u.%u.%u", |
4aac3899 DLR |
1296 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
1297 | G_FW_VERSION_MAJOR(fw_vers), | |
1298 | G_FW_VERSION_MINOR(fw_vers), | |
47330077 DLR |
1299 | G_FW_VERSION_MICRO(fw_vers), |
1300 | G_TP_VERSION_MAJOR(tp_vers), | |
1301 | G_TP_VERSION_MINOR(tp_vers), | |
1302 | G_TP_VERSION_MICRO(tp_vers)); | |
4aac3899 | 1303 | } |
4d22de3e DLR |
1304 | } |
1305 | ||
1306 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) | |
1307 | { | |
1308 | if (stringset == ETH_SS_STATS) | |
1309 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
1310 | } | |
1311 | ||
1312 | static unsigned long collect_sge_port_stats(struct adapter *adapter, | |
1313 | struct port_info *p, int idx) | |
1314 | { | |
1315 | int i; | |
1316 | unsigned long tot = 0; | |
1317 | ||
8c263761 DLR |
1318 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
1319 | tot += adapter->sge.qs[i].port_stats[idx]; | |
4d22de3e DLR |
1320 | return tot; |
1321 | } | |
1322 | ||
1323 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
1324 | u64 *data) | |
1325 | { | |
4d22de3e | 1326 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1327 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
1328 | const struct mac_stats *s; |
1329 | ||
1330 | spin_lock(&adapter->stats_lock); | |
1331 | s = t3_mac_update_stats(&pi->mac); | |
1332 | spin_unlock(&adapter->stats_lock); | |
1333 | ||
1334 | *data++ = s->tx_octets; | |
1335 | *data++ = s->tx_frames; | |
1336 | *data++ = s->tx_mcast_frames; | |
1337 | *data++ = s->tx_bcast_frames; | |
1338 | *data++ = s->tx_pause; | |
1339 | *data++ = s->tx_underrun; | |
1340 | *data++ = s->tx_fifo_urun; | |
1341 | ||
1342 | *data++ = s->tx_frames_64; | |
1343 | *data++ = s->tx_frames_65_127; | |
1344 | *data++ = s->tx_frames_128_255; | |
1345 | *data++ = s->tx_frames_256_511; | |
1346 | *data++ = s->tx_frames_512_1023; | |
1347 | *data++ = s->tx_frames_1024_1518; | |
1348 | *data++ = s->tx_frames_1519_max; | |
1349 | ||
1350 | *data++ = s->rx_octets; | |
1351 | *data++ = s->rx_frames; | |
1352 | *data++ = s->rx_mcast_frames; | |
1353 | *data++ = s->rx_bcast_frames; | |
1354 | *data++ = s->rx_pause; | |
1355 | *data++ = s->rx_fcs_errs; | |
1356 | *data++ = s->rx_symbol_errs; | |
1357 | *data++ = s->rx_short; | |
1358 | *data++ = s->rx_jabber; | |
1359 | *data++ = s->rx_too_long; | |
1360 | *data++ = s->rx_fifo_ovfl; | |
1361 | ||
1362 | *data++ = s->rx_frames_64; | |
1363 | *data++ = s->rx_frames_65_127; | |
1364 | *data++ = s->rx_frames_128_255; | |
1365 | *data++ = s->rx_frames_256_511; | |
1366 | *data++ = s->rx_frames_512_1023; | |
1367 | *data++ = s->rx_frames_1024_1518; | |
1368 | *data++ = s->rx_frames_1519_max; | |
1369 | ||
1370 | *data++ = pi->phy.fifo_errors; | |
1371 | ||
1372 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); | |
1373 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); | |
1374 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); | |
1375 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); | |
1376 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); | |
b47385bd DLR |
1377 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_AGGR); |
1378 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_FLUSHED); | |
1379 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_NO_DESC); | |
4d22de3e | 1380 | *data++ = s->rx_cong_drops; |
fc90664e DLR |
1381 | |
1382 | *data++ = s->num_toggled; | |
1383 | *data++ = s->num_resets; | |
4d22de3e DLR |
1384 | } |
1385 | ||
1386 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
1387 | unsigned int start, unsigned int end) | |
1388 | { | |
1389 | u32 *p = buf + start; | |
1390 | ||
1391 | for (; start <= end; start += sizeof(u32)) | |
1392 | *p++ = t3_read_reg(ap, start); | |
1393 | } | |
1394 | ||
1395 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, | |
1396 | void *buf) | |
1397 | { | |
5fbf816f DLR |
1398 | struct port_info *pi = netdev_priv(dev); |
1399 | struct adapter *ap = pi->adapter; | |
4d22de3e DLR |
1400 | |
1401 | /* | |
1402 | * Version scheme: | |
1403 | * bits 0..9: chip version | |
1404 | * bits 10..15: chip revision | |
1405 | * bit 31: set for PCIe cards | |
1406 | */ | |
1407 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); | |
1408 | ||
1409 | /* | |
1410 | * We skip the MAC statistics registers because they are clear-on-read. | |
1411 | * Also reading multi-register stats would need to synchronize with the | |
1412 | * periodic mac stats accumulation. Hard to justify the complexity. | |
1413 | */ | |
1414 | memset(buf, 0, T3_REGMAP_SIZE); | |
1415 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); | |
1416 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); | |
1417 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); | |
1418 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); | |
1419 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); | |
1420 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, | |
1421 | XGM_REG(A_XGM_SERDES_STAT3, 1)); | |
1422 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), | |
1423 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); | |
1424 | } | |
1425 | ||
1426 | static int restart_autoneg(struct net_device *dev) | |
1427 | { | |
1428 | struct port_info *p = netdev_priv(dev); | |
1429 | ||
1430 | if (!netif_running(dev)) | |
1431 | return -EAGAIN; | |
1432 | if (p->link_config.autoneg != AUTONEG_ENABLE) | |
1433 | return -EINVAL; | |
1434 | p->phy.ops->autoneg_restart(&p->phy); | |
1435 | return 0; | |
1436 | } | |
1437 | ||
1438 | static int cxgb3_phys_id(struct net_device *dev, u32 data) | |
1439 | { | |
5fbf816f DLR |
1440 | struct port_info *pi = netdev_priv(dev); |
1441 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1442 | int i; |
4d22de3e DLR |
1443 | |
1444 | if (data == 0) | |
1445 | data = 2; | |
1446 | ||
1447 | for (i = 0; i < data * 2; i++) { | |
1448 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, | |
1449 | (i & 1) ? F_GPIO0_OUT_VAL : 0); | |
1450 | if (msleep_interruptible(500)) | |
1451 | break; | |
1452 | } | |
1453 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, | |
1454 | F_GPIO0_OUT_VAL); | |
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
1459 | { | |
1460 | struct port_info *p = netdev_priv(dev); | |
1461 | ||
1462 | cmd->supported = p->link_config.supported; | |
1463 | cmd->advertising = p->link_config.advertising; | |
1464 | ||
1465 | if (netif_carrier_ok(dev)) { | |
1466 | cmd->speed = p->link_config.speed; | |
1467 | cmd->duplex = p->link_config.duplex; | |
1468 | } else { | |
1469 | cmd->speed = -1; | |
1470 | cmd->duplex = -1; | |
1471 | } | |
1472 | ||
1473 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; | |
1474 | cmd->phy_address = p->phy.addr; | |
1475 | cmd->transceiver = XCVR_EXTERNAL; | |
1476 | cmd->autoneg = p->link_config.autoneg; | |
1477 | cmd->maxtxpkt = 0; | |
1478 | cmd->maxrxpkt = 0; | |
1479 | return 0; | |
1480 | } | |
1481 | ||
1482 | static int speed_duplex_to_caps(int speed, int duplex) | |
1483 | { | |
1484 | int cap = 0; | |
1485 | ||
1486 | switch (speed) { | |
1487 | case SPEED_10: | |
1488 | if (duplex == DUPLEX_FULL) | |
1489 | cap = SUPPORTED_10baseT_Full; | |
1490 | else | |
1491 | cap = SUPPORTED_10baseT_Half; | |
1492 | break; | |
1493 | case SPEED_100: | |
1494 | if (duplex == DUPLEX_FULL) | |
1495 | cap = SUPPORTED_100baseT_Full; | |
1496 | else | |
1497 | cap = SUPPORTED_100baseT_Half; | |
1498 | break; | |
1499 | case SPEED_1000: | |
1500 | if (duplex == DUPLEX_FULL) | |
1501 | cap = SUPPORTED_1000baseT_Full; | |
1502 | else | |
1503 | cap = SUPPORTED_1000baseT_Half; | |
1504 | break; | |
1505 | case SPEED_10000: | |
1506 | if (duplex == DUPLEX_FULL) | |
1507 | cap = SUPPORTED_10000baseT_Full; | |
1508 | } | |
1509 | return cap; | |
1510 | } | |
1511 | ||
1512 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
1513 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
1514 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
1515 | ADVERTISED_10000baseT_Full) | |
1516 | ||
1517 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
1518 | { | |
9b1e3656 | 1519 | int cap; |
4d22de3e DLR |
1520 | struct port_info *p = netdev_priv(dev); |
1521 | struct link_config *lc = &p->link_config; | |
1522 | ||
9b1e3656 DLR |
1523 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
1524 | /* | |
1525 | * PHY offers a single speed/duplex. See if that's what's | |
1526 | * being requested. | |
1527 | */ | |
1528 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
1529 | cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); | |
1530 | if (lc->supported & cap) | |
1531 | return 0; | |
1532 | } | |
1533 | return -EINVAL; | |
1534 | } | |
4d22de3e DLR |
1535 | |
1536 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
1537 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); | |
1538 | ||
1539 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) | |
1540 | return -EINVAL; | |
1541 | lc->requested_speed = cmd->speed; | |
1542 | lc->requested_duplex = cmd->duplex; | |
1543 | lc->advertising = 0; | |
1544 | } else { | |
1545 | cmd->advertising &= ADVERTISED_MASK; | |
1546 | cmd->advertising &= lc->supported; | |
1547 | if (!cmd->advertising) | |
1548 | return -EINVAL; | |
1549 | lc->requested_speed = SPEED_INVALID; | |
1550 | lc->requested_duplex = DUPLEX_INVALID; | |
1551 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; | |
1552 | } | |
1553 | lc->autoneg = cmd->autoneg; | |
1554 | if (netif_running(dev)) | |
1555 | t3_link_start(&p->phy, &p->mac, lc); | |
1556 | return 0; | |
1557 | } | |
1558 | ||
1559 | static void get_pauseparam(struct net_device *dev, | |
1560 | struct ethtool_pauseparam *epause) | |
1561 | { | |
1562 | struct port_info *p = netdev_priv(dev); | |
1563 | ||
1564 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
1565 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
1566 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
1567 | } | |
1568 | ||
1569 | static int set_pauseparam(struct net_device *dev, | |
1570 | struct ethtool_pauseparam *epause) | |
1571 | { | |
1572 | struct port_info *p = netdev_priv(dev); | |
1573 | struct link_config *lc = &p->link_config; | |
1574 | ||
1575 | if (epause->autoneg == AUTONEG_DISABLE) | |
1576 | lc->requested_fc = 0; | |
1577 | else if (lc->supported & SUPPORTED_Autoneg) | |
1578 | lc->requested_fc = PAUSE_AUTONEG; | |
1579 | else | |
1580 | return -EINVAL; | |
1581 | ||
1582 | if (epause->rx_pause) | |
1583 | lc->requested_fc |= PAUSE_RX; | |
1584 | if (epause->tx_pause) | |
1585 | lc->requested_fc |= PAUSE_TX; | |
1586 | if (lc->autoneg == AUTONEG_ENABLE) { | |
1587 | if (netif_running(dev)) | |
1588 | t3_link_start(&p->phy, &p->mac, lc); | |
1589 | } else { | |
1590 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1591 | if (netif_running(dev)) | |
1592 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); | |
1593 | } | |
1594 | return 0; | |
1595 | } | |
1596 | ||
1597 | static u32 get_rx_csum(struct net_device *dev) | |
1598 | { | |
1599 | struct port_info *p = netdev_priv(dev); | |
1600 | ||
1601 | return p->rx_csum_offload; | |
1602 | } | |
1603 | ||
1604 | static int set_rx_csum(struct net_device *dev, u32 data) | |
1605 | { | |
1606 | struct port_info *p = netdev_priv(dev); | |
1607 | ||
1608 | p->rx_csum_offload = data; | |
b47385bd DLR |
1609 | if (!data) { |
1610 | struct adapter *adap = p->adapter; | |
1611 | int i; | |
1612 | ||
8c263761 DLR |
1613 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
1614 | adap->params.sge.qset[i].lro = 0; | |
b47385bd | 1615 | adap->sge.qs[i].lro_enabled = 0; |
8c263761 | 1616 | } |
b47385bd | 1617 | } |
4d22de3e DLR |
1618 | return 0; |
1619 | } | |
1620 | ||
1621 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
1622 | { | |
5fbf816f DLR |
1623 | struct port_info *pi = netdev_priv(dev); |
1624 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1625 | const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; |
4d22de3e DLR |
1626 | |
1627 | e->rx_max_pending = MAX_RX_BUFFERS; | |
1628 | e->rx_mini_max_pending = 0; | |
1629 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; | |
1630 | e->tx_max_pending = MAX_TXQ_ENTRIES; | |
1631 | ||
05b97b30 DLR |
1632 | e->rx_pending = q->fl_size; |
1633 | e->rx_mini_pending = q->rspq_size; | |
1634 | e->rx_jumbo_pending = q->jumbo_size; | |
1635 | e->tx_pending = q->txq_size[0]; | |
4d22de3e DLR |
1636 | } |
1637 | ||
1638 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
1639 | { | |
5fbf816f DLR |
1640 | struct port_info *pi = netdev_priv(dev); |
1641 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1642 | struct qset_params *q; |
5fbf816f | 1643 | int i; |
4d22de3e DLR |
1644 | |
1645 | if (e->rx_pending > MAX_RX_BUFFERS || | |
1646 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
1647 | e->tx_pending > MAX_TXQ_ENTRIES || | |
1648 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || | |
1649 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || | |
1650 | e->rx_pending < MIN_FL_ENTRIES || | |
1651 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
1652 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) | |
1653 | return -EINVAL; | |
1654 | ||
1655 | if (adapter->flags & FULL_INIT_DONE) | |
1656 | return -EBUSY; | |
1657 | ||
05b97b30 DLR |
1658 | q = &adapter->params.sge.qset[pi->first_qset]; |
1659 | for (i = 0; i < pi->nqsets; ++i, ++q) { | |
4d22de3e DLR |
1660 | q->rspq_size = e->rx_mini_pending; |
1661 | q->fl_size = e->rx_pending; | |
1662 | q->jumbo_size = e->rx_jumbo_pending; | |
1663 | q->txq_size[0] = e->tx_pending; | |
1664 | q->txq_size[1] = e->tx_pending; | |
1665 | q->txq_size[2] = e->tx_pending; | |
1666 | } | |
1667 | return 0; | |
1668 | } | |
1669 | ||
1670 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
1671 | { | |
5fbf816f DLR |
1672 | struct port_info *pi = netdev_priv(dev); |
1673 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1674 | struct qset_params *qsp = &adapter->params.sge.qset[0]; |
1675 | struct sge_qset *qs = &adapter->sge.qs[0]; | |
1676 | ||
1677 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) | |
1678 | return -EINVAL; | |
1679 | ||
1680 | qsp->coalesce_usecs = c->rx_coalesce_usecs; | |
1681 | t3_update_qset_coalesce(qs, qsp); | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
1686 | { | |
5fbf816f DLR |
1687 | struct port_info *pi = netdev_priv(dev); |
1688 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1689 | struct qset_params *q = adapter->params.sge.qset; |
1690 | ||
1691 | c->rx_coalesce_usecs = q->coalesce_usecs; | |
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
1696 | u8 * data) | |
1697 | { | |
5fbf816f DLR |
1698 | struct port_info *pi = netdev_priv(dev); |
1699 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1700 | int i, err = 0; |
4d22de3e DLR |
1701 | |
1702 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); | |
1703 | if (!buf) | |
1704 | return -ENOMEM; | |
1705 | ||
1706 | e->magic = EEPROM_MAGIC; | |
1707 | for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) | |
05e5c116 | 1708 | err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); |
4d22de3e DLR |
1709 | |
1710 | if (!err) | |
1711 | memcpy(data, buf + e->offset, e->len); | |
1712 | kfree(buf); | |
1713 | return err; | |
1714 | } | |
1715 | ||
1716 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
1717 | u8 * data) | |
1718 | { | |
5fbf816f DLR |
1719 | struct port_info *pi = netdev_priv(dev); |
1720 | struct adapter *adapter = pi->adapter; | |
05e5c116 AV |
1721 | u32 aligned_offset, aligned_len; |
1722 | __le32 *p; | |
4d22de3e | 1723 | u8 *buf; |
c54f5c24 | 1724 | int err; |
4d22de3e DLR |
1725 | |
1726 | if (eeprom->magic != EEPROM_MAGIC) | |
1727 | return -EINVAL; | |
1728 | ||
1729 | aligned_offset = eeprom->offset & ~3; | |
1730 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; | |
1731 | ||
1732 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { | |
1733 | buf = kmalloc(aligned_len, GFP_KERNEL); | |
1734 | if (!buf) | |
1735 | return -ENOMEM; | |
05e5c116 | 1736 | err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); |
4d22de3e DLR |
1737 | if (!err && aligned_len > 4) |
1738 | err = t3_seeprom_read(adapter, | |
1739 | aligned_offset + aligned_len - 4, | |
05e5c116 | 1740 | (__le32 *) & buf[aligned_len - 4]); |
4d22de3e DLR |
1741 | if (err) |
1742 | goto out; | |
1743 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); | |
1744 | } else | |
1745 | buf = data; | |
1746 | ||
1747 | err = t3_seeprom_wp(adapter, 0); | |
1748 | if (err) | |
1749 | goto out; | |
1750 | ||
05e5c116 | 1751 | for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { |
4d22de3e DLR |
1752 | err = t3_seeprom_write(adapter, aligned_offset, *p); |
1753 | aligned_offset += 4; | |
1754 | } | |
1755 | ||
1756 | if (!err) | |
1757 | err = t3_seeprom_wp(adapter, 1); | |
1758 | out: | |
1759 | if (buf != data) | |
1760 | kfree(buf); | |
1761 | return err; | |
1762 | } | |
1763 | ||
1764 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1765 | { | |
1766 | wol->supported = 0; | |
1767 | wol->wolopts = 0; | |
1768 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
1769 | } | |
1770 | ||
1771 | static const struct ethtool_ops cxgb_ethtool_ops = { | |
1772 | .get_settings = get_settings, | |
1773 | .set_settings = set_settings, | |
1774 | .get_drvinfo = get_drvinfo, | |
1775 | .get_msglevel = get_msglevel, | |
1776 | .set_msglevel = set_msglevel, | |
1777 | .get_ringparam = get_sge_param, | |
1778 | .set_ringparam = set_sge_param, | |
1779 | .get_coalesce = get_coalesce, | |
1780 | .set_coalesce = set_coalesce, | |
1781 | .get_eeprom_len = get_eeprom_len, | |
1782 | .get_eeprom = get_eeprom, | |
1783 | .set_eeprom = set_eeprom, | |
1784 | .get_pauseparam = get_pauseparam, | |
1785 | .set_pauseparam = set_pauseparam, | |
1786 | .get_rx_csum = get_rx_csum, | |
1787 | .set_rx_csum = set_rx_csum, | |
4d22de3e | 1788 | .set_tx_csum = ethtool_op_set_tx_csum, |
4d22de3e DLR |
1789 | .set_sg = ethtool_op_set_sg, |
1790 | .get_link = ethtool_op_get_link, | |
1791 | .get_strings = get_strings, | |
1792 | .phys_id = cxgb3_phys_id, | |
1793 | .nway_reset = restart_autoneg, | |
b9f2c044 | 1794 | .get_sset_count = get_sset_count, |
4d22de3e DLR |
1795 | .get_ethtool_stats = get_stats, |
1796 | .get_regs_len = get_regs_len, | |
1797 | .get_regs = get_regs, | |
1798 | .get_wol = get_wol, | |
4d22de3e | 1799 | .set_tso = ethtool_op_set_tso, |
4d22de3e DLR |
1800 | }; |
1801 | ||
1802 | static int in_range(int val, int lo, int hi) | |
1803 | { | |
1804 | return val < 0 || (val <= hi && val >= lo); | |
1805 | } | |
1806 | ||
1807 | static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) | |
1808 | { | |
5fbf816f DLR |
1809 | struct port_info *pi = netdev_priv(dev); |
1810 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1811 | u32 cmd; |
5fbf816f | 1812 | int ret; |
4d22de3e DLR |
1813 | |
1814 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
1815 | return -EFAULT; | |
1816 | ||
1817 | switch (cmd) { | |
4d22de3e DLR |
1818 | case CHELSIO_SET_QSET_PARAMS:{ |
1819 | int i; | |
1820 | struct qset_params *q; | |
1821 | struct ch_qset_params t; | |
8c263761 DLR |
1822 | int q1 = pi->first_qset; |
1823 | int nqsets = pi->nqsets; | |
4d22de3e DLR |
1824 | |
1825 | if (!capable(CAP_NET_ADMIN)) | |
1826 | return -EPERM; | |
1827 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
1828 | return -EFAULT; | |
1829 | if (t.qset_idx >= SGE_QSETS) | |
1830 | return -EINVAL; | |
1831 | if (!in_range(t.intr_lat, 0, M_NEWTIMER) || | |
1832 | !in_range(t.cong_thres, 0, 255) || | |
1833 | !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, | |
1834 | MAX_TXQ_ENTRIES) || | |
1835 | !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, | |
1836 | MAX_TXQ_ENTRIES) || | |
1837 | !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, | |
1838 | MAX_CTRL_TXQ_ENTRIES) || | |
1839 | !in_range(t.fl_size[0], MIN_FL_ENTRIES, | |
1840 | MAX_RX_BUFFERS) | |
1841 | || !in_range(t.fl_size[1], MIN_FL_ENTRIES, | |
1842 | MAX_RX_JUMBO_BUFFERS) | |
1843 | || !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, | |
1844 | MAX_RSPQ_ENTRIES)) | |
1845 | return -EINVAL; | |
8c263761 DLR |
1846 | |
1847 | if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0) | |
1848 | for_each_port(adapter, i) { | |
1849 | pi = adap2pinfo(adapter, i); | |
1850 | if (t.qset_idx >= pi->first_qset && | |
1851 | t.qset_idx < pi->first_qset + pi->nqsets && | |
1852 | !pi->rx_csum_offload) | |
1853 | return -EINVAL; | |
1854 | } | |
1855 | ||
4d22de3e DLR |
1856 | if ((adapter->flags & FULL_INIT_DONE) && |
1857 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || | |
1858 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || | |
1859 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || | |
1860 | t.polling >= 0 || t.cong_thres >= 0)) | |
1861 | return -EBUSY; | |
1862 | ||
8c263761 DLR |
1863 | /* Allow setting of any available qset when offload enabled */ |
1864 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
1865 | q1 = 0; | |
1866 | for_each_port(adapter, i) { | |
1867 | pi = adap2pinfo(adapter, i); | |
1868 | nqsets += pi->first_qset + pi->nqsets; | |
1869 | } | |
1870 | } | |
1871 | ||
1872 | if (t.qset_idx < q1) | |
1873 | return -EINVAL; | |
1874 | if (t.qset_idx > q1 + nqsets - 1) | |
1875 | return -EINVAL; | |
1876 | ||
4d22de3e DLR |
1877 | q = &adapter->params.sge.qset[t.qset_idx]; |
1878 | ||
1879 | if (t.rspq_size >= 0) | |
1880 | q->rspq_size = t.rspq_size; | |
1881 | if (t.fl_size[0] >= 0) | |
1882 | q->fl_size = t.fl_size[0]; | |
1883 | if (t.fl_size[1] >= 0) | |
1884 | q->jumbo_size = t.fl_size[1]; | |
1885 | if (t.txq_size[0] >= 0) | |
1886 | q->txq_size[0] = t.txq_size[0]; | |
1887 | if (t.txq_size[1] >= 0) | |
1888 | q->txq_size[1] = t.txq_size[1]; | |
1889 | if (t.txq_size[2] >= 0) | |
1890 | q->txq_size[2] = t.txq_size[2]; | |
1891 | if (t.cong_thres >= 0) | |
1892 | q->cong_thres = t.cong_thres; | |
1893 | if (t.intr_lat >= 0) { | |
1894 | struct sge_qset *qs = | |
1895 | &adapter->sge.qs[t.qset_idx]; | |
1896 | ||
1897 | q->coalesce_usecs = t.intr_lat; | |
1898 | t3_update_qset_coalesce(qs, q); | |
1899 | } | |
1900 | if (t.polling >= 0) { | |
1901 | if (adapter->flags & USING_MSIX) | |
1902 | q->polling = t.polling; | |
1903 | else { | |
1904 | /* No polling with INTx for T3A */ | |
1905 | if (adapter->params.rev == 0 && | |
1906 | !(adapter->flags & USING_MSI)) | |
1907 | t.polling = 0; | |
1908 | ||
1909 | for (i = 0; i < SGE_QSETS; i++) { | |
1910 | q = &adapter->params.sge. | |
1911 | qset[i]; | |
1912 | q->polling = t.polling; | |
1913 | } | |
1914 | } | |
1915 | } | |
b47385bd DLR |
1916 | if (t.lro >= 0) { |
1917 | struct sge_qset *qs = &adapter->sge.qs[t.qset_idx]; | |
1918 | q->lro = t.lro; | |
1919 | qs->lro_enabled = t.lro; | |
1920 | } | |
4d22de3e DLR |
1921 | break; |
1922 | } | |
1923 | case CHELSIO_GET_QSET_PARAMS:{ | |
1924 | struct qset_params *q; | |
1925 | struct ch_qset_params t; | |
8c263761 DLR |
1926 | int q1 = pi->first_qset; |
1927 | int nqsets = pi->nqsets; | |
1928 | int i; | |
4d22de3e DLR |
1929 | |
1930 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
1931 | return -EFAULT; | |
8c263761 DLR |
1932 | |
1933 | /* Display qsets for all ports when offload enabled */ | |
1934 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
1935 | q1 = 0; | |
1936 | for_each_port(adapter, i) { | |
1937 | pi = adap2pinfo(adapter, i); | |
1938 | nqsets = pi->first_qset + pi->nqsets; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | if (t.qset_idx >= nqsets) | |
4d22de3e DLR |
1943 | return -EINVAL; |
1944 | ||
8c263761 | 1945 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
4d22de3e DLR |
1946 | t.rspq_size = q->rspq_size; |
1947 | t.txq_size[0] = q->txq_size[0]; | |
1948 | t.txq_size[1] = q->txq_size[1]; | |
1949 | t.txq_size[2] = q->txq_size[2]; | |
1950 | t.fl_size[0] = q->fl_size; | |
1951 | t.fl_size[1] = q->jumbo_size; | |
1952 | t.polling = q->polling; | |
b47385bd | 1953 | t.lro = q->lro; |
4d22de3e DLR |
1954 | t.intr_lat = q->coalesce_usecs; |
1955 | t.cong_thres = q->cong_thres; | |
8c263761 DLR |
1956 | t.qnum = q1; |
1957 | ||
1958 | if (adapter->flags & USING_MSIX) | |
1959 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; | |
1960 | else | |
1961 | t.vector = adapter->pdev->irq; | |
4d22de3e DLR |
1962 | |
1963 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
1964 | return -EFAULT; | |
1965 | break; | |
1966 | } | |
1967 | case CHELSIO_SET_QSET_NUM:{ | |
1968 | struct ch_reg edata; | |
4d22de3e DLR |
1969 | unsigned int i, first_qset = 0, other_qsets = 0; |
1970 | ||
1971 | if (!capable(CAP_NET_ADMIN)) | |
1972 | return -EPERM; | |
1973 | if (adapter->flags & FULL_INIT_DONE) | |
1974 | return -EBUSY; | |
1975 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
1976 | return -EFAULT; | |
1977 | if (edata.val < 1 || | |
1978 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) | |
1979 | return -EINVAL; | |
1980 | ||
1981 | for_each_port(adapter, i) | |
1982 | if (adapter->port[i] && adapter->port[i] != dev) | |
1983 | other_qsets += adap2pinfo(adapter, i)->nqsets; | |
1984 | ||
1985 | if (edata.val + other_qsets > SGE_QSETS) | |
1986 | return -EINVAL; | |
1987 | ||
1988 | pi->nqsets = edata.val; | |
1989 | ||
1990 | for_each_port(adapter, i) | |
1991 | if (adapter->port[i]) { | |
1992 | pi = adap2pinfo(adapter, i); | |
1993 | pi->first_qset = first_qset; | |
1994 | first_qset += pi->nqsets; | |
1995 | } | |
1996 | break; | |
1997 | } | |
1998 | case CHELSIO_GET_QSET_NUM:{ | |
1999 | struct ch_reg edata; | |
4d22de3e DLR |
2000 | |
2001 | edata.cmd = CHELSIO_GET_QSET_NUM; | |
2002 | edata.val = pi->nqsets; | |
2003 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
2004 | return -EFAULT; | |
2005 | break; | |
2006 | } | |
2007 | case CHELSIO_LOAD_FW:{ | |
2008 | u8 *fw_data; | |
2009 | struct ch_mem_range t; | |
2010 | ||
1b3aa7af | 2011 | if (!capable(CAP_SYS_RAWIO)) |
4d22de3e DLR |
2012 | return -EPERM; |
2013 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2014 | return -EFAULT; | |
1b3aa7af | 2015 | /* Check t.len sanity ? */ |
4d22de3e DLR |
2016 | fw_data = kmalloc(t.len, GFP_KERNEL); |
2017 | if (!fw_data) | |
2018 | return -ENOMEM; | |
2019 | ||
2020 | if (copy_from_user | |
2021 | (fw_data, useraddr + sizeof(t), t.len)) { | |
2022 | kfree(fw_data); | |
2023 | return -EFAULT; | |
2024 | } | |
2025 | ||
2026 | ret = t3_load_fw(adapter, fw_data, t.len); | |
2027 | kfree(fw_data); | |
2028 | if (ret) | |
2029 | return ret; | |
2030 | break; | |
2031 | } | |
2032 | case CHELSIO_SETMTUTAB:{ | |
2033 | struct ch_mtus m; | |
2034 | int i; | |
2035 | ||
2036 | if (!is_offload(adapter)) | |
2037 | return -EOPNOTSUPP; | |
2038 | if (!capable(CAP_NET_ADMIN)) | |
2039 | return -EPERM; | |
2040 | if (offload_running(adapter)) | |
2041 | return -EBUSY; | |
2042 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2043 | return -EFAULT; | |
2044 | if (m.nmtus != NMTUS) | |
2045 | return -EINVAL; | |
2046 | if (m.mtus[0] < 81) /* accommodate SACK */ | |
2047 | return -EINVAL; | |
2048 | ||
2049 | /* MTUs must be in ascending order */ | |
2050 | for (i = 1; i < NMTUS; ++i) | |
2051 | if (m.mtus[i] < m.mtus[i - 1]) | |
2052 | return -EINVAL; | |
2053 | ||
2054 | memcpy(adapter->params.mtus, m.mtus, | |
2055 | sizeof(adapter->params.mtus)); | |
2056 | break; | |
2057 | } | |
2058 | case CHELSIO_GET_PM:{ | |
2059 | struct tp_params *p = &adapter->params.tp; | |
2060 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; | |
2061 | ||
2062 | if (!is_offload(adapter)) | |
2063 | return -EOPNOTSUPP; | |
2064 | m.tx_pg_sz = p->tx_pg_size; | |
2065 | m.tx_num_pg = p->tx_num_pgs; | |
2066 | m.rx_pg_sz = p->rx_pg_size; | |
2067 | m.rx_num_pg = p->rx_num_pgs; | |
2068 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; | |
2069 | if (copy_to_user(useraddr, &m, sizeof(m))) | |
2070 | return -EFAULT; | |
2071 | break; | |
2072 | } | |
2073 | case CHELSIO_SET_PM:{ | |
2074 | struct ch_pm m; | |
2075 | struct tp_params *p = &adapter->params.tp; | |
2076 | ||
2077 | if (!is_offload(adapter)) | |
2078 | return -EOPNOTSUPP; | |
2079 | if (!capable(CAP_NET_ADMIN)) | |
2080 | return -EPERM; | |
2081 | if (adapter->flags & FULL_INIT_DONE) | |
2082 | return -EBUSY; | |
2083 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2084 | return -EFAULT; | |
d9da466a | 2085 | if (!is_power_of_2(m.rx_pg_sz) || |
2086 | !is_power_of_2(m.tx_pg_sz)) | |
4d22de3e DLR |
2087 | return -EINVAL; /* not power of 2 */ |
2088 | if (!(m.rx_pg_sz & 0x14000)) | |
2089 | return -EINVAL; /* not 16KB or 64KB */ | |
2090 | if (!(m.tx_pg_sz & 0x1554000)) | |
2091 | return -EINVAL; | |
2092 | if (m.tx_num_pg == -1) | |
2093 | m.tx_num_pg = p->tx_num_pgs; | |
2094 | if (m.rx_num_pg == -1) | |
2095 | m.rx_num_pg = p->rx_num_pgs; | |
2096 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) | |
2097 | return -EINVAL; | |
2098 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || | |
2099 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) | |
2100 | return -EINVAL; | |
2101 | p->rx_pg_size = m.rx_pg_sz; | |
2102 | p->tx_pg_size = m.tx_pg_sz; | |
2103 | p->rx_num_pgs = m.rx_num_pg; | |
2104 | p->tx_num_pgs = m.tx_num_pg; | |
2105 | break; | |
2106 | } | |
2107 | case CHELSIO_GET_MEM:{ | |
2108 | struct ch_mem_range t; | |
2109 | struct mc7 *mem; | |
2110 | u64 buf[32]; | |
2111 | ||
2112 | if (!is_offload(adapter)) | |
2113 | return -EOPNOTSUPP; | |
2114 | if (!(adapter->flags & FULL_INIT_DONE)) | |
2115 | return -EIO; /* need the memory controllers */ | |
2116 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2117 | return -EFAULT; | |
2118 | if ((t.addr & 7) || (t.len & 7)) | |
2119 | return -EINVAL; | |
2120 | if (t.mem_id == MEM_CM) | |
2121 | mem = &adapter->cm; | |
2122 | else if (t.mem_id == MEM_PMRX) | |
2123 | mem = &adapter->pmrx; | |
2124 | else if (t.mem_id == MEM_PMTX) | |
2125 | mem = &adapter->pmtx; | |
2126 | else | |
2127 | return -EINVAL; | |
2128 | ||
2129 | /* | |
1825494a DLR |
2130 | * Version scheme: |
2131 | * bits 0..9: chip version | |
2132 | * bits 10..15: chip revision | |
2133 | */ | |
4d22de3e DLR |
2134 | t.version = 3 | (adapter->params.rev << 10); |
2135 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2136 | return -EFAULT; | |
2137 | ||
2138 | /* | |
2139 | * Read 256 bytes at a time as len can be large and we don't | |
2140 | * want to use huge intermediate buffers. | |
2141 | */ | |
2142 | useraddr += sizeof(t); /* advance to start of buffer */ | |
2143 | while (t.len) { | |
2144 | unsigned int chunk = | |
2145 | min_t(unsigned int, t.len, sizeof(buf)); | |
2146 | ||
2147 | ret = | |
2148 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, | |
2149 | buf); | |
2150 | if (ret) | |
2151 | return ret; | |
2152 | if (copy_to_user(useraddr, buf, chunk)) | |
2153 | return -EFAULT; | |
2154 | useraddr += chunk; | |
2155 | t.addr += chunk; | |
2156 | t.len -= chunk; | |
2157 | } | |
2158 | break; | |
2159 | } | |
2160 | case CHELSIO_SET_TRACE_FILTER:{ | |
2161 | struct ch_trace t; | |
2162 | const struct trace_params *tp; | |
2163 | ||
2164 | if (!capable(CAP_NET_ADMIN)) | |
2165 | return -EPERM; | |
2166 | if (!offload_running(adapter)) | |
2167 | return -EAGAIN; | |
2168 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2169 | return -EFAULT; | |
2170 | ||
2171 | tp = (const struct trace_params *)&t.sip; | |
2172 | if (t.config_tx) | |
2173 | t3_config_trace_filter(adapter, tp, 0, | |
2174 | t.invert_match, | |
2175 | t.trace_tx); | |
2176 | if (t.config_rx) | |
2177 | t3_config_trace_filter(adapter, tp, 1, | |
2178 | t.invert_match, | |
2179 | t.trace_rx); | |
2180 | break; | |
2181 | } | |
4d22de3e DLR |
2182 | default: |
2183 | return -EOPNOTSUPP; | |
2184 | } | |
2185 | return 0; | |
2186 | } | |
2187 | ||
2188 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
2189 | { | |
4d22de3e | 2190 | struct mii_ioctl_data *data = if_mii(req); |
5fbf816f DLR |
2191 | struct port_info *pi = netdev_priv(dev); |
2192 | struct adapter *adapter = pi->adapter; | |
2193 | int ret, mmd; | |
4d22de3e DLR |
2194 | |
2195 | switch (cmd) { | |
2196 | case SIOCGMIIPHY: | |
2197 | data->phy_id = pi->phy.addr; | |
2198 | /* FALLTHRU */ | |
2199 | case SIOCGMIIREG:{ | |
2200 | u32 val; | |
2201 | struct cphy *phy = &pi->phy; | |
2202 | ||
2203 | if (!phy->mdio_read) | |
2204 | return -EOPNOTSUPP; | |
2205 | if (is_10G(adapter)) { | |
2206 | mmd = data->phy_id >> 8; | |
2207 | if (!mmd) | |
2208 | mmd = MDIO_DEV_PCS; | |
9b1e3656 | 2209 | else if (mmd > MDIO_DEV_VEND2) |
4d22de3e DLR |
2210 | return -EINVAL; |
2211 | ||
2212 | ret = | |
2213 | phy->mdio_read(adapter, data->phy_id & 0x1f, | |
2214 | mmd, data->reg_num, &val); | |
2215 | } else | |
2216 | ret = | |
2217 | phy->mdio_read(adapter, data->phy_id & 0x1f, | |
2218 | 0, data->reg_num & 0x1f, | |
2219 | &val); | |
2220 | if (!ret) | |
2221 | data->val_out = val; | |
2222 | break; | |
2223 | } | |
2224 | case SIOCSMIIREG:{ | |
2225 | struct cphy *phy = &pi->phy; | |
2226 | ||
2227 | if (!capable(CAP_NET_ADMIN)) | |
2228 | return -EPERM; | |
2229 | if (!phy->mdio_write) | |
2230 | return -EOPNOTSUPP; | |
2231 | if (is_10G(adapter)) { | |
2232 | mmd = data->phy_id >> 8; | |
2233 | if (!mmd) | |
2234 | mmd = MDIO_DEV_PCS; | |
9b1e3656 | 2235 | else if (mmd > MDIO_DEV_VEND2) |
4d22de3e DLR |
2236 | return -EINVAL; |
2237 | ||
2238 | ret = | |
2239 | phy->mdio_write(adapter, | |
2240 | data->phy_id & 0x1f, mmd, | |
2241 | data->reg_num, | |
2242 | data->val_in); | |
2243 | } else | |
2244 | ret = | |
2245 | phy->mdio_write(adapter, | |
2246 | data->phy_id & 0x1f, 0, | |
2247 | data->reg_num & 0x1f, | |
2248 | data->val_in); | |
2249 | break; | |
2250 | } | |
2251 | case SIOCCHIOCTL: | |
2252 | return cxgb_extension_ioctl(dev, req->ifr_data); | |
2253 | default: | |
2254 | return -EOPNOTSUPP; | |
2255 | } | |
2256 | return ret; | |
2257 | } | |
2258 | ||
2259 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) | |
2260 | { | |
4d22de3e | 2261 | struct port_info *pi = netdev_priv(dev); |
5fbf816f DLR |
2262 | struct adapter *adapter = pi->adapter; |
2263 | int ret; | |
4d22de3e DLR |
2264 | |
2265 | if (new_mtu < 81) /* accommodate SACK */ | |
2266 | return -EINVAL; | |
2267 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) | |
2268 | return ret; | |
2269 | dev->mtu = new_mtu; | |
2270 | init_port_mtus(adapter); | |
2271 | if (adapter->params.rev == 0 && offload_running(adapter)) | |
2272 | t3_load_mtus(adapter, adapter->params.mtus, | |
2273 | adapter->params.a_wnd, adapter->params.b_wnd, | |
2274 | adapter->port[0]->mtu); | |
2275 | return 0; | |
2276 | } | |
2277 | ||
2278 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) | |
2279 | { | |
4d22de3e | 2280 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2281 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2282 | struct sockaddr *addr = p; |
2283 | ||
2284 | if (!is_valid_ether_addr(addr->sa_data)) | |
2285 | return -EINVAL; | |
2286 | ||
2287 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
2288 | t3_mac_set_address(&pi->mac, 0, dev->dev_addr); | |
2289 | if (offload_running(adapter)) | |
2290 | write_smt_entry(adapter, pi->port_id); | |
2291 | return 0; | |
2292 | } | |
2293 | ||
2294 | /** | |
2295 | * t3_synchronize_rx - wait for current Rx processing on a port to complete | |
2296 | * @adap: the adapter | |
2297 | * @p: the port | |
2298 | * | |
2299 | * Ensures that current Rx processing on any of the queues associated with | |
2300 | * the given port completes before returning. We do this by acquiring and | |
2301 | * releasing the locks of the response queues associated with the port. | |
2302 | */ | |
2303 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) | |
2304 | { | |
2305 | int i; | |
2306 | ||
8c263761 DLR |
2307 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
2308 | struct sge_rspq *q = &adap->sge.qs[i].rspq; | |
4d22de3e DLR |
2309 | |
2310 | spin_lock_irq(&q->lock); | |
2311 | spin_unlock_irq(&q->lock); | |
2312 | } | |
2313 | } | |
2314 | ||
2315 | static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp) | |
2316 | { | |
4d22de3e | 2317 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2318 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2319 | |
2320 | pi->vlan_grp = grp; | |
2321 | if (adapter->params.rev > 0) | |
2322 | t3_set_vlan_accel(adapter, 1 << pi->port_id, grp != NULL); | |
2323 | else { | |
2324 | /* single control for all ports */ | |
2325 | unsigned int i, have_vlans = 0; | |
2326 | for_each_port(adapter, i) | |
2327 | have_vlans |= adap2pinfo(adapter, i)->vlan_grp != NULL; | |
2328 | ||
2329 | t3_set_vlan_accel(adapter, 1, have_vlans); | |
2330 | } | |
2331 | t3_synchronize_rx(adapter, pi); | |
2332 | } | |
2333 | ||
4d22de3e DLR |
2334 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2335 | static void cxgb_netpoll(struct net_device *dev) | |
2336 | { | |
890de332 | 2337 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2338 | struct adapter *adapter = pi->adapter; |
890de332 | 2339 | int qidx; |
4d22de3e | 2340 | |
890de332 DLR |
2341 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
2342 | struct sge_qset *qs = &adapter->sge.qs[qidx]; | |
2343 | void *source; | |
2eab17ab | 2344 | |
890de332 DLR |
2345 | if (adapter->flags & USING_MSIX) |
2346 | source = qs; | |
2347 | else | |
2348 | source = adapter; | |
2349 | ||
2350 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); | |
2351 | } | |
4d22de3e DLR |
2352 | } |
2353 | #endif | |
2354 | ||
2355 | /* | |
2356 | * Periodic accumulation of MAC statistics. | |
2357 | */ | |
2358 | static void mac_stats_update(struct adapter *adapter) | |
2359 | { | |
2360 | int i; | |
2361 | ||
2362 | for_each_port(adapter, i) { | |
2363 | struct net_device *dev = adapter->port[i]; | |
2364 | struct port_info *p = netdev_priv(dev); | |
2365 | ||
2366 | if (netif_running(dev)) { | |
2367 | spin_lock(&adapter->stats_lock); | |
2368 | t3_mac_update_stats(&p->mac); | |
2369 | spin_unlock(&adapter->stats_lock); | |
2370 | } | |
2371 | } | |
2372 | } | |
2373 | ||
2374 | static void check_link_status(struct adapter *adapter) | |
2375 | { | |
2376 | int i; | |
2377 | ||
2378 | for_each_port(adapter, i) { | |
2379 | struct net_device *dev = adapter->port[i]; | |
2380 | struct port_info *p = netdev_priv(dev); | |
2381 | ||
04497982 | 2382 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) |
4d22de3e DLR |
2383 | t3_link_changed(adapter, i); |
2384 | } | |
2385 | } | |
2386 | ||
fc90664e DLR |
2387 | static void check_t3b2_mac(struct adapter *adapter) |
2388 | { | |
2389 | int i; | |
2390 | ||
f2d961c9 DLR |
2391 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
2392 | return; | |
2393 | ||
fc90664e DLR |
2394 | for_each_port(adapter, i) { |
2395 | struct net_device *dev = adapter->port[i]; | |
2396 | struct port_info *p = netdev_priv(dev); | |
2397 | int status; | |
2398 | ||
2399 | if (!netif_running(dev)) | |
2400 | continue; | |
2401 | ||
2402 | status = 0; | |
6d6dabac | 2403 | if (netif_running(dev) && netif_carrier_ok(dev)) |
fc90664e DLR |
2404 | status = t3b2_mac_watchdog_task(&p->mac); |
2405 | if (status == 1) | |
2406 | p->mac.stats.num_toggled++; | |
2407 | else if (status == 2) { | |
2408 | struct cmac *mac = &p->mac; | |
2409 | ||
2410 | t3_mac_set_mtu(mac, dev->mtu); | |
2411 | t3_mac_set_address(mac, 0, dev->dev_addr); | |
2412 | cxgb_set_rxmode(dev); | |
2413 | t3_link_start(&p->phy, mac, &p->link_config); | |
2414 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
2415 | t3_port_intr_enable(adapter, p->port_id); | |
2416 | p->mac.stats.num_resets++; | |
2417 | } | |
2418 | } | |
2419 | rtnl_unlock(); | |
2420 | } | |
2421 | ||
2422 | ||
4d22de3e DLR |
2423 | static void t3_adap_check_task(struct work_struct *work) |
2424 | { | |
2425 | struct adapter *adapter = container_of(work, struct adapter, | |
2426 | adap_check_task.work); | |
2427 | const struct adapter_params *p = &adapter->params; | |
2428 | ||
2429 | adapter->check_task_cnt++; | |
2430 | ||
2431 | /* Check link status for PHYs without interrupts */ | |
2432 | if (p->linkpoll_period) | |
2433 | check_link_status(adapter); | |
2434 | ||
2435 | /* Accumulate MAC stats if needed */ | |
2436 | if (!p->linkpoll_period || | |
2437 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= | |
2438 | p->stats_update_period) { | |
2439 | mac_stats_update(adapter); | |
2440 | adapter->check_task_cnt = 0; | |
2441 | } | |
2442 | ||
fc90664e DLR |
2443 | if (p->rev == T3_REV_B2) |
2444 | check_t3b2_mac(adapter); | |
2445 | ||
4d22de3e | 2446 | /* Schedule the next check update if any port is active. */ |
20d3fc11 | 2447 | spin_lock_irq(&adapter->work_lock); |
4d22de3e DLR |
2448 | if (adapter->open_device_map & PORT_MASK) |
2449 | schedule_chk_task(adapter); | |
20d3fc11 | 2450 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
2451 | } |
2452 | ||
2453 | /* | |
2454 | * Processes external (PHY) interrupts in process context. | |
2455 | */ | |
2456 | static void ext_intr_task(struct work_struct *work) | |
2457 | { | |
2458 | struct adapter *adapter = container_of(work, struct adapter, | |
2459 | ext_intr_handler_task); | |
2460 | ||
2461 | t3_phy_intr_handler(adapter); | |
2462 | ||
2463 | /* Now reenable external interrupts */ | |
2464 | spin_lock_irq(&adapter->work_lock); | |
2465 | if (adapter->slow_intr_mask) { | |
2466 | adapter->slow_intr_mask |= F_T3DBG; | |
2467 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); | |
2468 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2469 | adapter->slow_intr_mask); | |
2470 | } | |
2471 | spin_unlock_irq(&adapter->work_lock); | |
2472 | } | |
2473 | ||
2474 | /* | |
2475 | * Interrupt-context handler for external (PHY) interrupts. | |
2476 | */ | |
2477 | void t3_os_ext_intr_handler(struct adapter *adapter) | |
2478 | { | |
2479 | /* | |
2480 | * Schedule a task to handle external interrupts as they may be slow | |
2481 | * and we use a mutex to protect MDIO registers. We disable PHY | |
2482 | * interrupts in the meantime and let the task reenable them when | |
2483 | * it's done. | |
2484 | */ | |
2485 | spin_lock(&adapter->work_lock); | |
2486 | if (adapter->slow_intr_mask) { | |
2487 | adapter->slow_intr_mask &= ~F_T3DBG; | |
2488 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2489 | adapter->slow_intr_mask); | |
2490 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); | |
2491 | } | |
2492 | spin_unlock(&adapter->work_lock); | |
2493 | } | |
2494 | ||
20d3fc11 DLR |
2495 | static int t3_adapter_error(struct adapter *adapter, int reset) |
2496 | { | |
2497 | int i, ret = 0; | |
2498 | ||
2499 | /* Stop all ports */ | |
2500 | for_each_port(adapter, i) { | |
2501 | struct net_device *netdev = adapter->port[i]; | |
2502 | ||
2503 | if (netif_running(netdev)) | |
2504 | cxgb_close(netdev); | |
2505 | } | |
2506 | ||
2507 | if (is_offload(adapter) && | |
2508 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
2509 | offload_close(&adapter->tdev); | |
2510 | ||
2511 | /* Stop SGE timers */ | |
2512 | t3_stop_sge_timers(adapter); | |
2513 | ||
2514 | adapter->flags &= ~FULL_INIT_DONE; | |
2515 | ||
2516 | if (reset) | |
2517 | ret = t3_reset_adapter(adapter); | |
2518 | ||
2519 | pci_disable_device(adapter->pdev); | |
2520 | ||
2521 | return ret; | |
2522 | } | |
2523 | ||
2524 | static int t3_reenable_adapter(struct adapter *adapter) | |
2525 | { | |
2526 | if (pci_enable_device(adapter->pdev)) { | |
2527 | dev_err(&adapter->pdev->dev, | |
2528 | "Cannot re-enable PCI device after reset.\n"); | |
2529 | goto err; | |
2530 | } | |
2531 | pci_set_master(adapter->pdev); | |
2532 | pci_restore_state(adapter->pdev); | |
2533 | ||
2534 | /* Free sge resources */ | |
2535 | t3_free_sge_resources(adapter); | |
2536 | ||
2537 | if (t3_replay_prep_adapter(adapter)) | |
2538 | goto err; | |
2539 | ||
2540 | return 0; | |
2541 | err: | |
2542 | return -1; | |
2543 | } | |
2544 | ||
2545 | static void t3_resume_ports(struct adapter *adapter) | |
2546 | { | |
2547 | int i; | |
2548 | ||
2549 | /* Restart the ports */ | |
2550 | for_each_port(adapter, i) { | |
2551 | struct net_device *netdev = adapter->port[i]; | |
2552 | ||
2553 | if (netif_running(netdev)) { | |
2554 | if (cxgb_open(netdev)) { | |
2555 | dev_err(&adapter->pdev->dev, | |
2556 | "can't bring device back up" | |
2557 | " after reset\n"); | |
2558 | continue; | |
2559 | } | |
2560 | } | |
2561 | } | |
2562 | } | |
2563 | ||
2564 | /* | |
2565 | * processes a fatal error. | |
2566 | * Bring the ports down, reset the chip, bring the ports back up. | |
2567 | */ | |
2568 | static void fatal_error_task(struct work_struct *work) | |
2569 | { | |
2570 | struct adapter *adapter = container_of(work, struct adapter, | |
2571 | fatal_error_handler_task); | |
2572 | int err = 0; | |
2573 | ||
2574 | rtnl_lock(); | |
2575 | err = t3_adapter_error(adapter, 1); | |
2576 | if (!err) | |
2577 | err = t3_reenable_adapter(adapter); | |
2578 | if (!err) | |
2579 | t3_resume_ports(adapter); | |
2580 | ||
2581 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); | |
2582 | rtnl_unlock(); | |
2583 | } | |
2584 | ||
4d22de3e DLR |
2585 | void t3_fatal_err(struct adapter *adapter) |
2586 | { | |
2587 | unsigned int fw_status[4]; | |
2588 | ||
2589 | if (adapter->flags & FULL_INIT_DONE) { | |
2590 | t3_sge_stop(adapter); | |
c64c2eae DLR |
2591 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
2592 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); | |
2593 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); | |
2594 | t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); | |
20d3fc11 DLR |
2595 | |
2596 | spin_lock(&adapter->work_lock); | |
4d22de3e | 2597 | t3_intr_disable(adapter); |
20d3fc11 DLR |
2598 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
2599 | spin_unlock(&adapter->work_lock); | |
4d22de3e DLR |
2600 | } |
2601 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); | |
2602 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) | |
2603 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", | |
2604 | fw_status[0], fw_status[1], | |
2605 | fw_status[2], fw_status[3]); | |
2606 | ||
2607 | } | |
2608 | ||
91a6b50c DLR |
2609 | /** |
2610 | * t3_io_error_detected - called when PCI error is detected | |
2611 | * @pdev: Pointer to PCI device | |
2612 | * @state: The current pci connection state | |
2613 | * | |
2614 | * This function is called after a PCI bus error affecting | |
2615 | * this device has been detected. | |
2616 | */ | |
2617 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, | |
2618 | pci_channel_state_t state) | |
2619 | { | |
bc4b6b52 | 2620 | struct adapter *adapter = pci_get_drvdata(pdev); |
20d3fc11 | 2621 | int ret; |
91a6b50c | 2622 | |
20d3fc11 | 2623 | ret = t3_adapter_error(adapter, 0); |
91a6b50c | 2624 | |
48c4b6db | 2625 | /* Request a slot reset. */ |
91a6b50c DLR |
2626 | return PCI_ERS_RESULT_NEED_RESET; |
2627 | } | |
2628 | ||
2629 | /** | |
2630 | * t3_io_slot_reset - called after the pci bus has been reset. | |
2631 | * @pdev: Pointer to PCI device | |
2632 | * | |
2633 | * Restart the card from scratch, as if from a cold-boot. | |
2634 | */ | |
2635 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) | |
2636 | { | |
bc4b6b52 | 2637 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 2638 | |
20d3fc11 DLR |
2639 | if (!t3_reenable_adapter(adapter)) |
2640 | return PCI_ERS_RESULT_RECOVERED; | |
91a6b50c | 2641 | |
48c4b6db | 2642 | return PCI_ERS_RESULT_DISCONNECT; |
91a6b50c DLR |
2643 | } |
2644 | ||
2645 | /** | |
2646 | * t3_io_resume - called when traffic can start flowing again. | |
2647 | * @pdev: Pointer to PCI device | |
2648 | * | |
2649 | * This callback is called when the error recovery driver tells us that | |
2650 | * its OK to resume normal operation. | |
2651 | */ | |
2652 | static void t3_io_resume(struct pci_dev *pdev) | |
2653 | { | |
bc4b6b52 | 2654 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 2655 | |
20d3fc11 | 2656 | t3_resume_ports(adapter); |
91a6b50c DLR |
2657 | } |
2658 | ||
2659 | static struct pci_error_handlers t3_err_handler = { | |
2660 | .error_detected = t3_io_error_detected, | |
2661 | .slot_reset = t3_io_slot_reset, | |
2662 | .resume = t3_io_resume, | |
2663 | }; | |
2664 | ||
8c263761 DLR |
2665 | /* |
2666 | * Set the number of qsets based on the number of CPUs and the number of ports, | |
2667 | * not to exceed the number of available qsets, assuming there are enough qsets | |
2668 | * per port in HW. | |
2669 | */ | |
2670 | static void set_nqsets(struct adapter *adap) | |
2671 | { | |
2672 | int i, j = 0; | |
2673 | int num_cpus = num_online_cpus(); | |
2674 | int hwports = adap->params.nports; | |
2675 | int nqsets = SGE_QSETS; | |
2676 | ||
2677 | if (adap->params.rev > 0) { | |
2678 | if (hwports == 2 && | |
2679 | (hwports * nqsets > SGE_QSETS || | |
2680 | num_cpus >= nqsets / hwports)) | |
2681 | nqsets /= hwports; | |
2682 | if (nqsets > num_cpus) | |
2683 | nqsets = num_cpus; | |
2684 | if (nqsets < 1 || hwports == 4) | |
2685 | nqsets = 1; | |
2686 | } else | |
2687 | nqsets = 1; | |
2688 | ||
2689 | for_each_port(adap, i) { | |
2690 | struct port_info *pi = adap2pinfo(adap, i); | |
2691 | ||
2692 | pi->first_qset = j; | |
2693 | pi->nqsets = nqsets; | |
2694 | j = pi->first_qset + nqsets; | |
2695 | ||
2696 | dev_info(&adap->pdev->dev, | |
2697 | "Port %d using %d queue sets.\n", i, nqsets); | |
2698 | } | |
2699 | } | |
2700 | ||
4d22de3e DLR |
2701 | static int __devinit cxgb_enable_msix(struct adapter *adap) |
2702 | { | |
2703 | struct msix_entry entries[SGE_QSETS + 1]; | |
2704 | int i, err; | |
2705 | ||
2706 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
2707 | entries[i].entry = i; | |
2708 | ||
2709 | err = pci_enable_msix(adap->pdev, entries, ARRAY_SIZE(entries)); | |
2710 | if (!err) { | |
2711 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
2712 | adap->msix_info[i].vec = entries[i].vector; | |
2713 | } else if (err > 0) | |
2714 | dev_info(&adap->pdev->dev, | |
2715 | "only %d MSI-X vectors left, not using MSI-X\n", err); | |
2716 | return err; | |
2717 | } | |
2718 | ||
2719 | static void __devinit print_port_info(struct adapter *adap, | |
2720 | const struct adapter_info *ai) | |
2721 | { | |
2722 | static const char *pci_variant[] = { | |
2723 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" | |
2724 | }; | |
2725 | ||
2726 | int i; | |
2727 | char buf[80]; | |
2728 | ||
2729 | if (is_pcie(adap)) | |
2730 | snprintf(buf, sizeof(buf), "%s x%d", | |
2731 | pci_variant[adap->params.pci.variant], | |
2732 | adap->params.pci.width); | |
2733 | else | |
2734 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", | |
2735 | pci_variant[adap->params.pci.variant], | |
2736 | adap->params.pci.speed, adap->params.pci.width); | |
2737 | ||
2738 | for_each_port(adap, i) { | |
2739 | struct net_device *dev = adap->port[i]; | |
2740 | const struct port_info *pi = netdev_priv(dev); | |
2741 | ||
2742 | if (!test_bit(i, &adap->registered_device_map)) | |
2743 | continue; | |
8ac3ba68 | 2744 | printk(KERN_INFO "%s: %s %s %sNIC (rev %d) %s%s\n", |
04497982 | 2745 | dev->name, ai->desc, pi->phy.desc, |
8ac3ba68 | 2746 | is_offload(adap) ? "R" : "", adap->params.rev, buf, |
4d22de3e DLR |
2747 | (adap->flags & USING_MSIX) ? " MSI-X" : |
2748 | (adap->flags & USING_MSI) ? " MSI" : ""); | |
2749 | if (adap->name == dev->name && adap->params.vpd.mclk) | |
167cdf5f DLR |
2750 | printk(KERN_INFO |
2751 | "%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", | |
4d22de3e DLR |
2752 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
2753 | t3_mc7_size(&adap->pmtx) >> 20, | |
167cdf5f DLR |
2754 | t3_mc7_size(&adap->pmrx) >> 20, |
2755 | adap->params.vpd.sn); | |
4d22de3e DLR |
2756 | } |
2757 | } | |
2758 | ||
2759 | static int __devinit init_one(struct pci_dev *pdev, | |
2760 | const struct pci_device_id *ent) | |
2761 | { | |
2762 | static int version_printed; | |
2763 | ||
2764 | int i, err, pci_using_dac = 0; | |
2765 | unsigned long mmio_start, mmio_len; | |
2766 | const struct adapter_info *ai; | |
2767 | struct adapter *adapter = NULL; | |
2768 | struct port_info *pi; | |
2769 | ||
2770 | if (!version_printed) { | |
2771 | printk(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); | |
2772 | ++version_printed; | |
2773 | } | |
2774 | ||
2775 | if (!cxgb3_wq) { | |
2776 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); | |
2777 | if (!cxgb3_wq) { | |
2778 | printk(KERN_ERR DRV_NAME | |
2779 | ": cannot initialize work queue\n"); | |
2780 | return -ENOMEM; | |
2781 | } | |
2782 | } | |
2783 | ||
2784 | err = pci_request_regions(pdev, DRV_NAME); | |
2785 | if (err) { | |
2786 | /* Just info, some other driver may have claimed the device. */ | |
2787 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); | |
2788 | return err; | |
2789 | } | |
2790 | ||
2791 | err = pci_enable_device(pdev); | |
2792 | if (err) { | |
2793 | dev_err(&pdev->dev, "cannot enable PCI device\n"); | |
2794 | goto out_release_regions; | |
2795 | } | |
2796 | ||
2797 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { | |
2798 | pci_using_dac = 1; | |
2799 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); | |
2800 | if (err) { | |
2801 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " | |
2802 | "coherent allocations\n"); | |
2803 | goto out_disable_device; | |
2804 | } | |
2805 | } else if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) != 0) { | |
2806 | dev_err(&pdev->dev, "no usable DMA configuration\n"); | |
2807 | goto out_disable_device; | |
2808 | } | |
2809 | ||
2810 | pci_set_master(pdev); | |
204e2f98 | 2811 | pci_save_state(pdev); |
4d22de3e DLR |
2812 | |
2813 | mmio_start = pci_resource_start(pdev, 0); | |
2814 | mmio_len = pci_resource_len(pdev, 0); | |
2815 | ai = t3_get_adapter_info(ent->driver_data); | |
2816 | ||
2817 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); | |
2818 | if (!adapter) { | |
2819 | err = -ENOMEM; | |
2820 | goto out_disable_device; | |
2821 | } | |
2822 | ||
2823 | adapter->regs = ioremap_nocache(mmio_start, mmio_len); | |
2824 | if (!adapter->regs) { | |
2825 | dev_err(&pdev->dev, "cannot map device registers\n"); | |
2826 | err = -ENOMEM; | |
2827 | goto out_free_adapter; | |
2828 | } | |
2829 | ||
2830 | adapter->pdev = pdev; | |
2831 | adapter->name = pci_name(pdev); | |
2832 | adapter->msg_enable = dflt_msg_enable; | |
2833 | adapter->mmio_len = mmio_len; | |
2834 | ||
2835 | mutex_init(&adapter->mdio_lock); | |
2836 | spin_lock_init(&adapter->work_lock); | |
2837 | spin_lock_init(&adapter->stats_lock); | |
2838 | ||
2839 | INIT_LIST_HEAD(&adapter->adapter_list); | |
2840 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); | |
20d3fc11 | 2841 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
4d22de3e DLR |
2842 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
2843 | ||
2844 | for (i = 0; i < ai->nports; ++i) { | |
2845 | struct net_device *netdev; | |
2846 | ||
2847 | netdev = alloc_etherdev(sizeof(struct port_info)); | |
2848 | if (!netdev) { | |
2849 | err = -ENOMEM; | |
2850 | goto out_free_dev; | |
2851 | } | |
2852 | ||
4d22de3e DLR |
2853 | SET_NETDEV_DEV(netdev, &pdev->dev); |
2854 | ||
2855 | adapter->port[i] = netdev; | |
2856 | pi = netdev_priv(netdev); | |
5fbf816f | 2857 | pi->adapter = adapter; |
4d22de3e | 2858 | pi->rx_csum_offload = 1; |
4d22de3e DLR |
2859 | pi->port_id = i; |
2860 | netif_carrier_off(netdev); | |
2861 | netdev->irq = pdev->irq; | |
2862 | netdev->mem_start = mmio_start; | |
2863 | netdev->mem_end = mmio_start + mmio_len - 1; | |
4d22de3e DLR |
2864 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; |
2865 | netdev->features |= NETIF_F_LLTX; | |
2866 | if (pci_using_dac) | |
2867 | netdev->features |= NETIF_F_HIGHDMA; | |
2868 | ||
2869 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
2870 | netdev->vlan_rx_register = vlan_rx_register; | |
4d22de3e DLR |
2871 | |
2872 | netdev->open = cxgb_open; | |
2873 | netdev->stop = cxgb_close; | |
2874 | netdev->hard_start_xmit = t3_eth_xmit; | |
2875 | netdev->get_stats = cxgb_get_stats; | |
2876 | netdev->set_multicast_list = cxgb_set_rxmode; | |
2877 | netdev->do_ioctl = cxgb_ioctl; | |
2878 | netdev->change_mtu = cxgb_change_mtu; | |
2879 | netdev->set_mac_address = cxgb_set_mac_addr; | |
2880 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2881 | netdev->poll_controller = cxgb_netpoll; | |
2882 | #endif | |
4d22de3e DLR |
2883 | |
2884 | SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops); | |
2885 | } | |
2886 | ||
5fbf816f | 2887 | pci_set_drvdata(pdev, adapter); |
4d22de3e DLR |
2888 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
2889 | err = -ENODEV; | |
2890 | goto out_free_dev; | |
2891 | } | |
2eab17ab | 2892 | |
4d22de3e DLR |
2893 | /* |
2894 | * The card is now ready to go. If any errors occur during device | |
2895 | * registration we do not fail the whole card but rather proceed only | |
2896 | * with the ports we manage to register successfully. However we must | |
2897 | * register at least one net device. | |
2898 | */ | |
2899 | for_each_port(adapter, i) { | |
2900 | err = register_netdev(adapter->port[i]); | |
2901 | if (err) | |
2902 | dev_warn(&pdev->dev, | |
2903 | "cannot register net device %s, skipping\n", | |
2904 | adapter->port[i]->name); | |
2905 | else { | |
2906 | /* | |
2907 | * Change the name we use for messages to the name of | |
2908 | * the first successfully registered interface. | |
2909 | */ | |
2910 | if (!adapter->registered_device_map) | |
2911 | adapter->name = adapter->port[i]->name; | |
2912 | ||
2913 | __set_bit(i, &adapter->registered_device_map); | |
2914 | } | |
2915 | } | |
2916 | if (!adapter->registered_device_map) { | |
2917 | dev_err(&pdev->dev, "could not register any net devices\n"); | |
2918 | goto out_free_dev; | |
2919 | } | |
2920 | ||
2921 | /* Driver's ready. Reflect it on LEDs */ | |
2922 | t3_led_ready(adapter); | |
2923 | ||
2924 | if (is_offload(adapter)) { | |
2925 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); | |
2926 | cxgb3_adapter_ofld(adapter); | |
2927 | } | |
2928 | ||
2929 | /* See what interrupts we'll be using */ | |
2930 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) | |
2931 | adapter->flags |= USING_MSIX; | |
2932 | else if (msi > 0 && pci_enable_msi(pdev) == 0) | |
2933 | adapter->flags |= USING_MSI; | |
2934 | ||
8c263761 DLR |
2935 | set_nqsets(adapter); |
2936 | ||
0ee8d33c | 2937 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
2938 | &cxgb3_attr_group); |
2939 | ||
2940 | print_port_info(adapter, ai); | |
2941 | return 0; | |
2942 | ||
2943 | out_free_dev: | |
2944 | iounmap(adapter->regs); | |
2945 | for (i = ai->nports - 1; i >= 0; --i) | |
2946 | if (adapter->port[i]) | |
2947 | free_netdev(adapter->port[i]); | |
2948 | ||
2949 | out_free_adapter: | |
2950 | kfree(adapter); | |
2951 | ||
2952 | out_disable_device: | |
2953 | pci_disable_device(pdev); | |
2954 | out_release_regions: | |
2955 | pci_release_regions(pdev); | |
2956 | pci_set_drvdata(pdev, NULL); | |
2957 | return err; | |
2958 | } | |
2959 | ||
2960 | static void __devexit remove_one(struct pci_dev *pdev) | |
2961 | { | |
5fbf816f | 2962 | struct adapter *adapter = pci_get_drvdata(pdev); |
4d22de3e | 2963 | |
5fbf816f | 2964 | if (adapter) { |
4d22de3e | 2965 | int i; |
4d22de3e DLR |
2966 | |
2967 | t3_sge_stop(adapter); | |
0ee8d33c | 2968 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
2969 | &cxgb3_attr_group); |
2970 | ||
4d22de3e DLR |
2971 | if (is_offload(adapter)) { |
2972 | cxgb3_adapter_unofld(adapter); | |
2973 | if (test_bit(OFFLOAD_DEVMAP_BIT, | |
2974 | &adapter->open_device_map)) | |
2975 | offload_close(&adapter->tdev); | |
2976 | } | |
2977 | ||
67d92ab7 DLR |
2978 | for_each_port(adapter, i) |
2979 | if (test_bit(i, &adapter->registered_device_map)) | |
2980 | unregister_netdev(adapter->port[i]); | |
2981 | ||
0ca41c04 | 2982 | t3_stop_sge_timers(adapter); |
4d22de3e DLR |
2983 | t3_free_sge_resources(adapter); |
2984 | cxgb_disable_msi(adapter); | |
2985 | ||
4d22de3e DLR |
2986 | for_each_port(adapter, i) |
2987 | if (adapter->port[i]) | |
2988 | free_netdev(adapter->port[i]); | |
2989 | ||
2990 | iounmap(adapter->regs); | |
2991 | kfree(adapter); | |
2992 | pci_release_regions(pdev); | |
2993 | pci_disable_device(pdev); | |
2994 | pci_set_drvdata(pdev, NULL); | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | static struct pci_driver driver = { | |
2999 | .name = DRV_NAME, | |
3000 | .id_table = cxgb3_pci_tbl, | |
3001 | .probe = init_one, | |
3002 | .remove = __devexit_p(remove_one), | |
91a6b50c | 3003 | .err_handler = &t3_err_handler, |
4d22de3e DLR |
3004 | }; |
3005 | ||
3006 | static int __init cxgb3_init_module(void) | |
3007 | { | |
3008 | int ret; | |
3009 | ||
3010 | cxgb3_offload_init(); | |
3011 | ||
3012 | ret = pci_register_driver(&driver); | |
3013 | return ret; | |
3014 | } | |
3015 | ||
3016 | static void __exit cxgb3_cleanup_module(void) | |
3017 | { | |
3018 | pci_unregister_driver(&driver); | |
3019 | if (cxgb3_wq) | |
3020 | destroy_workqueue(cxgb3_wq); | |
3021 | } | |
3022 | ||
3023 | module_init(cxgb3_init_module); | |
3024 | module_exit(cxgb3_cleanup_module); |