Commit | Line | Data |
---|---|---|
4d22de3e | 1 | /* |
a02d44a0 | 2 | * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. |
4d22de3e | 3 | * |
1d68e93d DLR |
4 | * This software is available to you under a choice of one of two |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
4d22de3e | 9 | * |
1d68e93d DLR |
10 | * Redistribution and use in source and binary forms, with or |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
4d22de3e | 31 | */ |
428ac43f JP |
32 | |
33 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
34 | ||
4d22de3e | 35 | #include <linux/module.h> |
4d22de3e DLR |
36 | #include <linux/init.h> |
37 | #include <linux/pci.h> | |
38 | #include <linux/dma-mapping.h> | |
39 | #include <linux/netdevice.h> | |
40 | #include <linux/etherdevice.h> | |
41 | #include <linux/if_vlan.h> | |
0f07c4ee | 42 | #include <linux/mdio.h> |
4d22de3e DLR |
43 | #include <linux/sockios.h> |
44 | #include <linux/workqueue.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/rtnetlink.h> | |
2e283962 | 47 | #include <linux/firmware.h> |
d9da466a | 48 | #include <linux/log2.h> |
34336ec0 | 49 | #include <linux/stringify.h> |
e998f245 | 50 | #include <linux/sched.h> |
5a0e3ad6 | 51 | #include <linux/slab.h> |
7c0f6ba6 | 52 | #include <linux/uaccess.h> |
676bcfec | 53 | #include <linux/nospec.h> |
4d22de3e DLR |
54 | |
55 | #include "common.h" | |
56 | #include "cxgb3_ioctl.h" | |
57 | #include "regs.h" | |
58 | #include "cxgb3_offload.h" | |
59 | #include "version.h" | |
60 | ||
61 | #include "cxgb3_ctl_defs.h" | |
62 | #include "t3_cpl.h" | |
63 | #include "firmware_exports.h" | |
64 | ||
65 | enum { | |
66 | MAX_TXQ_ENTRIES = 16384, | |
67 | MAX_CTRL_TXQ_ENTRIES = 1024, | |
68 | MAX_RSPQ_ENTRIES = 16384, | |
69 | MAX_RX_BUFFERS = 16384, | |
70 | MAX_RX_JUMBO_BUFFERS = 16384, | |
71 | MIN_TXQ_ENTRIES = 4, | |
72 | MIN_CTRL_TXQ_ENTRIES = 4, | |
73 | MIN_RSPQ_ENTRIES = 32, | |
74 | MIN_FL_ENTRIES = 32 | |
75 | }; | |
76 | ||
77 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
78 | ||
79 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
80 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
81 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
82 | ||
83 | #define EEPROM_MAGIC 0x38E2F10C | |
84 | ||
678771d6 DLR |
85 | #define CH_DEVICE(devid, idx) \ |
86 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } | |
4d22de3e | 87 | |
9baa3c34 | 88 | static const struct pci_device_id cxgb3_pci_tbl[] = { |
678771d6 DLR |
89 | CH_DEVICE(0x20, 0), /* PE9000 */ |
90 | CH_DEVICE(0x21, 1), /* T302E */ | |
91 | CH_DEVICE(0x22, 2), /* T310E */ | |
92 | CH_DEVICE(0x23, 3), /* T320X */ | |
93 | CH_DEVICE(0x24, 1), /* T302X */ | |
94 | CH_DEVICE(0x25, 3), /* T320E */ | |
95 | CH_DEVICE(0x26, 2), /* T310X */ | |
96 | CH_DEVICE(0x30, 2), /* T3B10 */ | |
97 | CH_DEVICE(0x31, 3), /* T3B20 */ | |
98 | CH_DEVICE(0x32, 1), /* T3B02 */ | |
ce03aadd | 99 | CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ |
74451424 DLR |
100 | CH_DEVICE(0x36, 3), /* S320E-CR */ |
101 | CH_DEVICE(0x37, 7), /* N320E-G2 */ | |
4d22de3e DLR |
102 | {0,} |
103 | }; | |
104 | ||
105 | MODULE_DESCRIPTION(DRV_DESC); | |
106 | MODULE_AUTHOR("Chelsio Communications"); | |
1d68e93d | 107 | MODULE_LICENSE("Dual BSD/GPL"); |
4d22de3e DLR |
108 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); |
109 | ||
110 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
111 | ||
112 | module_param(dflt_msg_enable, int, 0644); | |
113 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); | |
114 | ||
115 | /* | |
116 | * The driver uses the best interrupt scheme available on a platform in the | |
117 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which | |
118 | * of these schemes the driver may consider as follows: | |
119 | * | |
120 | * msi = 2: choose from among all three options | |
121 | * msi = 1: only consider MSI and pin interrupts | |
122 | * msi = 0: force pin interrupts | |
123 | */ | |
124 | static int msi = 2; | |
125 | ||
126 | module_param(msi, int, 0644); | |
127 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); | |
128 | ||
129 | /* | |
130 | * The driver enables offload as a default. | |
131 | * To disable it, use ofld_disable = 1. | |
132 | */ | |
133 | ||
134 | static int ofld_disable = 0; | |
135 | ||
136 | module_param(ofld_disable, int, 0644); | |
137 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); | |
138 | ||
139 | /* | |
140 | * We have work elements that we need to cancel when an interface is taken | |
141 | * down. Normally the work elements would be executed by keventd but that | |
142 | * can deadlock because of linkwatch. If our close method takes the rtnl | |
143 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch | |
144 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting | |
145 | * for our work to complete. Get our own work queue to solve this. | |
146 | */ | |
e998f245 | 147 | struct workqueue_struct *cxgb3_wq; |
4d22de3e DLR |
148 | |
149 | /** | |
150 | * link_report - show link status and link speed/duplex | |
d0ea5cbd | 151 | * @dev: the port whose settings are to be reported |
4d22de3e DLR |
152 | * |
153 | * Shows the link status, speed, and duplex of a port. | |
154 | */ | |
155 | static void link_report(struct net_device *dev) | |
156 | { | |
157 | if (!netif_carrier_ok(dev)) | |
428ac43f | 158 | netdev_info(dev, "link down\n"); |
4d22de3e DLR |
159 | else { |
160 | const char *s = "10Mbps"; | |
161 | const struct port_info *p = netdev_priv(dev); | |
162 | ||
163 | switch (p->link_config.speed) { | |
164 | case SPEED_10000: | |
165 | s = "10Gbps"; | |
166 | break; | |
167 | case SPEED_1000: | |
168 | s = "1000Mbps"; | |
169 | break; | |
170 | case SPEED_100: | |
171 | s = "100Mbps"; | |
172 | break; | |
173 | } | |
174 | ||
428ac43f JP |
175 | netdev_info(dev, "link up, %s, %s-duplex\n", |
176 | s, p->link_config.duplex == DUPLEX_FULL | |
177 | ? "full" : "half"); | |
4d22de3e DLR |
178 | } |
179 | } | |
180 | ||
34701fde DLR |
181 | static void enable_tx_fifo_drain(struct adapter *adapter, |
182 | struct port_info *pi) | |
183 | { | |
184 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, 0, | |
185 | F_ENDROPPKT); | |
186 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, 0); | |
187 | t3_write_reg(adapter, A_XGM_TX_CTRL + pi->mac.offset, F_TXEN); | |
188 | t3_write_reg(adapter, A_XGM_RX_CTRL + pi->mac.offset, F_RXEN); | |
189 | } | |
190 | ||
191 | static void disable_tx_fifo_drain(struct adapter *adapter, | |
192 | struct port_info *pi) | |
193 | { | |
194 | t3_set_reg_field(adapter, A_XGM_TXFIFO_CFG + pi->mac.offset, | |
195 | F_ENDROPPKT, 0); | |
196 | } | |
197 | ||
bf792094 DLR |
198 | void t3_os_link_fault(struct adapter *adap, int port_id, int state) |
199 | { | |
200 | struct net_device *dev = adap->port[port_id]; | |
201 | struct port_info *pi = netdev_priv(dev); | |
202 | ||
203 | if (state == netif_carrier_ok(dev)) | |
204 | return; | |
205 | ||
206 | if (state) { | |
207 | struct cmac *mac = &pi->mac; | |
208 | ||
209 | netif_carrier_on(dev); | |
210 | ||
34701fde DLR |
211 | disable_tx_fifo_drain(adap, pi); |
212 | ||
bf792094 DLR |
213 | /* Clear local faults */ |
214 | t3_xgm_intr_disable(adap, pi->port_id); | |
215 | t3_read_reg(adap, A_XGM_INT_STATUS + | |
216 | pi->mac.offset); | |
217 | t3_write_reg(adap, | |
218 | A_XGM_INT_CAUSE + pi->mac.offset, | |
219 | F_XGM_INT); | |
220 | ||
221 | t3_set_reg_field(adap, | |
222 | A_XGM_INT_ENABLE + | |
223 | pi->mac.offset, | |
224 | F_XGM_INT, F_XGM_INT); | |
225 | t3_xgm_intr_enable(adap, pi->port_id); | |
226 | ||
227 | t3_mac_enable(mac, MAC_DIRECTION_TX); | |
34701fde | 228 | } else { |
bf792094 DLR |
229 | netif_carrier_off(dev); |
230 | ||
34701fde DLR |
231 | /* Flush TX FIFO */ |
232 | enable_tx_fifo_drain(adap, pi); | |
233 | } | |
bf792094 DLR |
234 | link_report(dev); |
235 | } | |
236 | ||
4d22de3e DLR |
237 | /** |
238 | * t3_os_link_changed - handle link status changes | |
239 | * @adapter: the adapter associated with the link change | |
240 | * @port_id: the port index whose limk status has changed | |
241 | * @link_stat: the new status of the link | |
242 | * @speed: the new speed setting | |
243 | * @duplex: the new duplex setting | |
244 | * @pause: the new flow-control setting | |
245 | * | |
246 | * This is the OS-dependent handler for link status changes. The OS | |
247 | * neutral handler takes care of most of the processing for these events, | |
248 | * then calls this handler for any OS-specific processing. | |
249 | */ | |
250 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
251 | int speed, int duplex, int pause) | |
252 | { | |
253 | struct net_device *dev = adapter->port[port_id]; | |
6d6dabac DLR |
254 | struct port_info *pi = netdev_priv(dev); |
255 | struct cmac *mac = &pi->mac; | |
4d22de3e DLR |
256 | |
257 | /* Skip changes from disabled ports. */ | |
258 | if (!netif_running(dev)) | |
259 | return; | |
260 | ||
261 | if (link_stat != netif_carrier_ok(dev)) { | |
6d6dabac | 262 | if (link_stat) { |
34701fde DLR |
263 | disable_tx_fifo_drain(adapter, pi); |
264 | ||
59cf8107 | 265 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
bf792094 DLR |
266 | |
267 | /* Clear local faults */ | |
268 | t3_xgm_intr_disable(adapter, pi->port_id); | |
269 | t3_read_reg(adapter, A_XGM_INT_STATUS + | |
270 | pi->mac.offset); | |
271 | t3_write_reg(adapter, | |
272 | A_XGM_INT_CAUSE + pi->mac.offset, | |
273 | F_XGM_INT); | |
274 | ||
275 | t3_set_reg_field(adapter, | |
276 | A_XGM_INT_ENABLE + pi->mac.offset, | |
277 | F_XGM_INT, F_XGM_INT); | |
278 | t3_xgm_intr_enable(adapter, pi->port_id); | |
279 | ||
4d22de3e | 280 | netif_carrier_on(dev); |
6d6dabac | 281 | } else { |
4d22de3e | 282 | netif_carrier_off(dev); |
bf792094 DLR |
283 | |
284 | t3_xgm_intr_disable(adapter, pi->port_id); | |
285 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
286 | t3_set_reg_field(adapter, | |
287 | A_XGM_INT_ENABLE + pi->mac.offset, | |
288 | F_XGM_INT, 0); | |
289 | ||
290 | if (is_10G(adapter)) | |
291 | pi->phy.ops->power_down(&pi->phy, 1); | |
292 | ||
293 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
59cf8107 DLR |
294 | t3_mac_disable(mac, MAC_DIRECTION_RX); |
295 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
34701fde DLR |
296 | |
297 | /* Flush TX FIFO */ | |
298 | enable_tx_fifo_drain(adapter, pi); | |
6d6dabac DLR |
299 | } |
300 | ||
4d22de3e DLR |
301 | link_report(dev); |
302 | } | |
303 | } | |
304 | ||
1e882025 DLR |
305 | /** |
306 | * t3_os_phymod_changed - handle PHY module changes | |
d0ea5cbd JB |
307 | * @adap: the adapter associated with the link change |
308 | * @port_id: the port index whose limk status has changed | |
1e882025 DLR |
309 | * |
310 | * This is the OS-dependent handler for PHY module changes. It is | |
311 | * invoked when a PHY module is removed or inserted for any OS-specific | |
312 | * processing. | |
313 | */ | |
314 | void t3_os_phymod_changed(struct adapter *adap, int port_id) | |
315 | { | |
316 | static const char *mod_str[] = { | |
317 | NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" | |
318 | }; | |
319 | ||
320 | const struct net_device *dev = adap->port[port_id]; | |
321 | const struct port_info *pi = netdev_priv(dev); | |
322 | ||
323 | if (pi->phy.modtype == phy_modtype_none) | |
428ac43f | 324 | netdev_info(dev, "PHY module unplugged\n"); |
1e882025 | 325 | else |
428ac43f JP |
326 | netdev_info(dev, "%s PHY module inserted\n", |
327 | mod_str[pi->phy.modtype]); | |
1e882025 DLR |
328 | } |
329 | ||
4d22de3e DLR |
330 | static void cxgb_set_rxmode(struct net_device *dev) |
331 | { | |
4d22de3e DLR |
332 | struct port_info *pi = netdev_priv(dev); |
333 | ||
0988d269 | 334 | t3_mac_set_rx_mode(&pi->mac, dev); |
4d22de3e DLR |
335 | } |
336 | ||
337 | /** | |
338 | * link_start - enable a port | |
339 | * @dev: the device to enable | |
340 | * | |
341 | * Performs the MAC and PHY actions needed to enable a port. | |
342 | */ | |
343 | static void link_start(struct net_device *dev) | |
344 | { | |
4d22de3e DLR |
345 | struct port_info *pi = netdev_priv(dev); |
346 | struct cmac *mac = &pi->mac; | |
347 | ||
4d22de3e | 348 | t3_mac_reset(mac); |
f14d42f3 | 349 | t3_mac_set_num_ucast(mac, MAX_MAC_IDX); |
4d22de3e | 350 | t3_mac_set_mtu(mac, dev->mtu); |
f14d42f3 KX |
351 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
352 | t3_mac_set_address(mac, SAN_MAC_IDX, pi->iscsic.mac_addr); | |
0988d269 | 353 | t3_mac_set_rx_mode(mac, dev); |
4d22de3e DLR |
354 | t3_link_start(&pi->phy, mac, &pi->link_config); |
355 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
356 | } | |
357 | ||
358 | static inline void cxgb_disable_msi(struct adapter *adapter) | |
359 | { | |
360 | if (adapter->flags & USING_MSIX) { | |
361 | pci_disable_msix(adapter->pdev); | |
362 | adapter->flags &= ~USING_MSIX; | |
363 | } else if (adapter->flags & USING_MSI) { | |
364 | pci_disable_msi(adapter->pdev); | |
365 | adapter->flags &= ~USING_MSI; | |
366 | } | |
367 | } | |
368 | ||
369 | /* | |
370 | * Interrupt handler for asynchronous events used with MSI-X. | |
371 | */ | |
372 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) | |
373 | { | |
374 | t3_slow_intr_handler(cookie); | |
375 | return IRQ_HANDLED; | |
376 | } | |
377 | ||
378 | /* | |
379 | * Name the MSI-X interrupts. | |
380 | */ | |
381 | static void name_msix_vecs(struct adapter *adap) | |
382 | { | |
bc044ae9 | 383 | int i, j, msi_idx = 1; |
4d22de3e | 384 | |
bc044ae9 | 385 | strscpy(adap->msix_info[0].desc, adap->name, sizeof(adap->msix_info[0].desc)); |
4d22de3e DLR |
386 | |
387 | for_each_port(adap, j) { | |
388 | struct net_device *d = adap->port[j]; | |
389 | const struct port_info *pi = netdev_priv(d); | |
390 | ||
391 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { | |
bc044ae9 KC |
392 | snprintf(adap->msix_info[msi_idx].desc, |
393 | sizeof(adap->msix_info[0].desc), | |
8c263761 | 394 | "%s-%d", d->name, pi->first_qset + i); |
4d22de3e | 395 | } |
8c263761 | 396 | } |
4d22de3e DLR |
397 | } |
398 | ||
399 | static int request_msix_data_irqs(struct adapter *adap) | |
400 | { | |
401 | int i, j, err, qidx = 0; | |
402 | ||
403 | for_each_port(adap, i) { | |
404 | int nqsets = adap2pinfo(adap, i)->nqsets; | |
405 | ||
406 | for (j = 0; j < nqsets; ++j) { | |
407 | err = request_irq(adap->msix_info[qidx + 1].vec, | |
408 | t3_intr_handler(adap, | |
409 | adap->sge.qs[qidx]. | |
410 | rspq.polling), 0, | |
411 | adap->msix_info[qidx + 1].desc, | |
412 | &adap->sge.qs[qidx]); | |
413 | if (err) { | |
414 | while (--qidx >= 0) | |
415 | free_irq(adap->msix_info[qidx + 1].vec, | |
416 | &adap->sge.qs[qidx]); | |
417 | return err; | |
418 | } | |
419 | qidx++; | |
420 | } | |
421 | } | |
422 | return 0; | |
423 | } | |
424 | ||
8c263761 DLR |
425 | static void free_irq_resources(struct adapter *adapter) |
426 | { | |
427 | if (adapter->flags & USING_MSIX) { | |
428 | int i, n = 0; | |
429 | ||
430 | free_irq(adapter->msix_info[0].vec, adapter); | |
431 | for_each_port(adapter, i) | |
5cda9364 | 432 | n += adap2pinfo(adapter, i)->nqsets; |
8c263761 DLR |
433 | |
434 | for (i = 0; i < n; ++i) | |
435 | free_irq(adapter->msix_info[i + 1].vec, | |
436 | &adapter->sge.qs[i]); | |
437 | } else | |
438 | free_irq(adapter->pdev->irq, adapter); | |
439 | } | |
440 | ||
b881955b DLR |
441 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
442 | unsigned long n) | |
443 | { | |
e95ef5d3 | 444 | int attempts = 10; |
b881955b DLR |
445 | |
446 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { | |
447 | if (!--attempts) | |
448 | return -ETIMEDOUT; | |
449 | msleep(10); | |
450 | } | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static int init_tp_parity(struct adapter *adap) | |
455 | { | |
456 | int i; | |
457 | struct sk_buff *skb; | |
458 | struct cpl_set_tcb_field *greq; | |
459 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; | |
460 | ||
461 | t3_tp_set_offload_mode(adap, 1); | |
462 | ||
463 | for (i = 0; i < 16; i++) { | |
464 | struct cpl_smt_write_req *req; | |
465 | ||
74b793e1 DLR |
466 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
467 | if (!skb) | |
468 | skb = adap->nofail_skb; | |
469 | if (!skb) | |
470 | goto alloc_skb_fail; | |
471 | ||
de77b966 | 472 | req = __skb_put_zero(skb, sizeof(*req)); |
b881955b DLR |
473 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
474 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); | |
dce7d1d0 | 475 | req->mtu_idx = NMTUS - 1; |
b881955b DLR |
476 | req->iff = i; |
477 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
478 | if (skb == adap->nofail_skb) { |
479 | await_mgmt_replies(adap, cnt, i + 1); | |
480 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
481 | if (!adap->nofail_skb) | |
482 | goto alloc_skb_fail; | |
483 | } | |
b881955b DLR |
484 | } |
485 | ||
486 | for (i = 0; i < 2048; i++) { | |
487 | struct cpl_l2t_write_req *req; | |
488 | ||
74b793e1 DLR |
489 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
490 | if (!skb) | |
491 | skb = adap->nofail_skb; | |
492 | if (!skb) | |
493 | goto alloc_skb_fail; | |
494 | ||
de77b966 | 495 | req = __skb_put_zero(skb, sizeof(*req)); |
b881955b DLR |
496 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
497 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); | |
498 | req->params = htonl(V_L2T_W_IDX(i)); | |
499 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
500 | if (skb == adap->nofail_skb) { |
501 | await_mgmt_replies(adap, cnt, 16 + i + 1); | |
502 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
503 | if (!adap->nofail_skb) | |
504 | goto alloc_skb_fail; | |
505 | } | |
b881955b DLR |
506 | } |
507 | ||
508 | for (i = 0; i < 2048; i++) { | |
509 | struct cpl_rte_write_req *req; | |
510 | ||
74b793e1 DLR |
511 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
512 | if (!skb) | |
513 | skb = adap->nofail_skb; | |
514 | if (!skb) | |
515 | goto alloc_skb_fail; | |
516 | ||
de77b966 | 517 | req = __skb_put_zero(skb, sizeof(*req)); |
b881955b DLR |
518 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
519 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); | |
520 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); | |
521 | t3_mgmt_tx(adap, skb); | |
74b793e1 DLR |
522 | if (skb == adap->nofail_skb) { |
523 | await_mgmt_replies(adap, cnt, 16 + 2048 + i + 1); | |
524 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
525 | if (!adap->nofail_skb) | |
526 | goto alloc_skb_fail; | |
527 | } | |
b881955b DLR |
528 | } |
529 | ||
74b793e1 DLR |
530 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL); |
531 | if (!skb) | |
532 | skb = adap->nofail_skb; | |
533 | if (!skb) | |
534 | goto alloc_skb_fail; | |
535 | ||
de77b966 | 536 | greq = __skb_put_zero(skb, sizeof(*greq)); |
b881955b DLR |
537 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
538 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); | |
539 | greq->mask = cpu_to_be64(1); | |
540 | t3_mgmt_tx(adap, skb); | |
541 | ||
542 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
74b793e1 DLR |
543 | if (skb == adap->nofail_skb) { |
544 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
545 | adap->nofail_skb = alloc_skb(sizeof(*greq), GFP_KERNEL); | |
546 | } | |
547 | ||
b881955b DLR |
548 | t3_tp_set_offload_mode(adap, 0); |
549 | return i; | |
74b793e1 DLR |
550 | |
551 | alloc_skb_fail: | |
552 | t3_tp_set_offload_mode(adap, 0); | |
553 | return -ENOMEM; | |
b881955b DLR |
554 | } |
555 | ||
4d22de3e DLR |
556 | /** |
557 | * setup_rss - configure RSS | |
558 | * @adap: the adapter | |
559 | * | |
560 | * Sets up RSS to distribute packets to multiple receive queues. We | |
561 | * configure the RSS CPU lookup table to distribute to the number of HW | |
562 | * receive queues, and the response queue lookup table to narrow that | |
563 | * down to the response queues actually configured for each port. | |
564 | * We always configure the RSS mapping for two ports since the mapping | |
565 | * table has plenty of entries. | |
566 | */ | |
567 | static void setup_rss(struct adapter *adap) | |
568 | { | |
569 | int i; | |
570 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; | |
571 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; | |
572 | u8 cpus[SGE_QSETS + 1]; | |
0b86a2a1 | 573 | u16 rspq_map[RSS_TABLE_SIZE + 1]; |
4d22de3e DLR |
574 | |
575 | for (i = 0; i < SGE_QSETS; ++i) | |
576 | cpus[i] = i; | |
577 | cpus[SGE_QSETS] = 0xff; /* terminator */ | |
578 | ||
579 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { | |
580 | rspq_map[i] = i % nq0; | |
581 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; | |
582 | } | |
0b86a2a1 | 583 | rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */ |
4d22de3e DLR |
584 | |
585 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | | |
586 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | | |
a2604be5 | 587 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
4d22de3e DLR |
588 | } |
589 | ||
e998f245 SW |
590 | static void ring_dbs(struct adapter *adap) |
591 | { | |
592 | int i, j; | |
593 | ||
594 | for (i = 0; i < SGE_QSETS; i++) { | |
595 | struct sge_qset *qs = &adap->sge.qs[i]; | |
596 | ||
597 | if (qs->adap) | |
598 | for (j = 0; j < SGE_TXQ_PER_SET; j++) | |
599 | t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id)); | |
600 | } | |
601 | } | |
602 | ||
bea3348e | 603 | static void init_napi(struct adapter *adap) |
4d22de3e | 604 | { |
bea3348e | 605 | int i; |
4d22de3e | 606 | |
bea3348e SH |
607 | for (i = 0; i < SGE_QSETS; i++) { |
608 | struct sge_qset *qs = &adap->sge.qs[i]; | |
4d22de3e | 609 | |
bea3348e | 610 | if (qs->adap) |
b48b89f9 | 611 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll); |
4d22de3e | 612 | } |
48c4b6db DLR |
613 | |
614 | /* | |
615 | * netif_napi_add() can be called only once per napi_struct because it | |
616 | * adds each new napi_struct to a list. Be careful not to call it a | |
617 | * second time, e.g., during EEH recovery, by making a note of it. | |
618 | */ | |
619 | adap->flags |= NAPI_INIT; | |
4d22de3e DLR |
620 | } |
621 | ||
622 | /* | |
623 | * Wait until all NAPI handlers are descheduled. This includes the handlers of | |
624 | * both netdevices representing interfaces and the dummy ones for the extra | |
625 | * queues. | |
626 | */ | |
627 | static void quiesce_rx(struct adapter *adap) | |
628 | { | |
629 | int i; | |
4d22de3e | 630 | |
bea3348e SH |
631 | for (i = 0; i < SGE_QSETS; i++) |
632 | if (adap->sge.qs[i].adap) | |
633 | napi_disable(&adap->sge.qs[i].napi); | |
634 | } | |
4d22de3e | 635 | |
bea3348e SH |
636 | static void enable_all_napi(struct adapter *adap) |
637 | { | |
638 | int i; | |
639 | for (i = 0; i < SGE_QSETS; i++) | |
640 | if (adap->sge.qs[i].adap) | |
641 | napi_enable(&adap->sge.qs[i].napi); | |
4d22de3e DLR |
642 | } |
643 | ||
644 | /** | |
645 | * setup_sge_qsets - configure SGE Tx/Rx/response queues | |
646 | * @adap: the adapter | |
647 | * | |
648 | * Determines how many sets of SGE queues to use and initializes them. | |
649 | * We support multiple queue sets per port if we have MSI-X, otherwise | |
650 | * just one queue set per port. | |
651 | */ | |
652 | static int setup_sge_qsets(struct adapter *adap) | |
653 | { | |
bea3348e | 654 | int i, j, err, irq_idx = 0, qset_idx = 0; |
8ac3ba68 | 655 | unsigned int ntxq = SGE_TXQ_PER_SET; |
4d22de3e DLR |
656 | |
657 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) | |
658 | irq_idx = -1; | |
659 | ||
660 | for_each_port(adap, i) { | |
661 | struct net_device *dev = adap->port[i]; | |
bea3348e | 662 | struct port_info *pi = netdev_priv(dev); |
4d22de3e | 663 | |
bea3348e | 664 | pi->qs = &adap->sge.qs[pi->first_qset]; |
e594e96e | 665 | for (j = 0; j < pi->nqsets; ++j, ++qset_idx) { |
4d22de3e DLR |
666 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
667 | (adap->flags & USING_MSIX) ? qset_idx + 1 : | |
668 | irq_idx, | |
82ad3329 DLR |
669 | &adap->params.sge.qset[qset_idx], ntxq, dev, |
670 | netdev_get_tx_queue(dev, j)); | |
4d22de3e DLR |
671 | if (err) { |
672 | t3_free_sge_resources(adap); | |
673 | return err; | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
3e5192ee | 681 | static ssize_t attr_show(struct device *d, char *buf, |
896392ef | 682 | ssize_t(*format) (struct net_device *, char *)) |
4d22de3e DLR |
683 | { |
684 | ssize_t len; | |
4d22de3e DLR |
685 | |
686 | /* Synchronize with ioctls that may shut down the device */ | |
687 | rtnl_lock(); | |
896392ef | 688 | len = (*format) (to_net_dev(d), buf); |
4d22de3e DLR |
689 | rtnl_unlock(); |
690 | return len; | |
691 | } | |
692 | ||
3e5192ee | 693 | static ssize_t attr_store(struct device *d, |
0ee8d33c | 694 | const char *buf, size_t len, |
896392ef | 695 | ssize_t(*set) (struct net_device *, unsigned int), |
4d22de3e DLR |
696 | unsigned int min_val, unsigned int max_val) |
697 | { | |
4d22de3e DLR |
698 | ssize_t ret; |
699 | unsigned int val; | |
4d22de3e DLR |
700 | |
701 | if (!capable(CAP_NET_ADMIN)) | |
702 | return -EPERM; | |
703 | ||
e72c932d LC |
704 | ret = kstrtouint(buf, 0, &val); |
705 | if (ret) | |
706 | return ret; | |
707 | if (val < min_val || val > max_val) | |
4d22de3e DLR |
708 | return -EINVAL; |
709 | ||
710 | rtnl_lock(); | |
896392ef | 711 | ret = (*set) (to_net_dev(d), val); |
4d22de3e DLR |
712 | if (!ret) |
713 | ret = len; | |
714 | rtnl_unlock(); | |
715 | return ret; | |
716 | } | |
717 | ||
718 | #define CXGB3_SHOW(name, val_expr) \ | |
896392ef | 719 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
4d22de3e | 720 | { \ |
5fbf816f DLR |
721 | struct port_info *pi = netdev_priv(dev); \ |
722 | struct adapter *adap = pi->adapter; \ | |
4d22de3e DLR |
723 | return sprintf(buf, "%u\n", val_expr); \ |
724 | } \ | |
0ee8d33c DLR |
725 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
726 | char *buf) \ | |
4d22de3e | 727 | { \ |
3e5192ee | 728 | return attr_show(d, buf, format_##name); \ |
4d22de3e DLR |
729 | } |
730 | ||
896392ef | 731 | static ssize_t set_nfilters(struct net_device *dev, unsigned int val) |
4d22de3e | 732 | { |
5fbf816f DLR |
733 | struct port_info *pi = netdev_priv(dev); |
734 | struct adapter *adap = pi->adapter; | |
9f238486 | 735 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
896392ef | 736 | |
4d22de3e DLR |
737 | if (adap->flags & FULL_INIT_DONE) |
738 | return -EBUSY; | |
739 | if (val && adap->params.rev == 0) | |
740 | return -EINVAL; | |
9f238486 DLR |
741 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
742 | min_tids) | |
4d22de3e DLR |
743 | return -EINVAL; |
744 | adap->params.mc5.nfilters = val; | |
745 | return 0; | |
746 | } | |
747 | ||
0ee8d33c DLR |
748 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
749 | const char *buf, size_t len) | |
4d22de3e | 750 | { |
3e5192ee | 751 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
4d22de3e DLR |
752 | } |
753 | ||
896392ef | 754 | static ssize_t set_nservers(struct net_device *dev, unsigned int val) |
4d22de3e | 755 | { |
5fbf816f DLR |
756 | struct port_info *pi = netdev_priv(dev); |
757 | struct adapter *adap = pi->adapter; | |
896392ef | 758 | |
4d22de3e DLR |
759 | if (adap->flags & FULL_INIT_DONE) |
760 | return -EBUSY; | |
9f238486 DLR |
761 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
762 | MC5_MIN_TIDS) | |
4d22de3e DLR |
763 | return -EINVAL; |
764 | adap->params.mc5.nservers = val; | |
765 | return 0; | |
766 | } | |
767 | ||
0ee8d33c DLR |
768 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
769 | const char *buf, size_t len) | |
4d22de3e | 770 | { |
3e5192ee | 771 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
4d22de3e DLR |
772 | } |
773 | ||
774 | #define CXGB3_ATTR_R(name, val_expr) \ | |
775 | CXGB3_SHOW(name, val_expr) \ | |
d3757ba4 | 776 | static DEVICE_ATTR(name, 0444, show_##name, NULL) |
4d22de3e DLR |
777 | |
778 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ | |
779 | CXGB3_SHOW(name, val_expr) \ | |
d3757ba4 | 780 | static DEVICE_ATTR(name, 0644, show_##name, store_method) |
4d22de3e DLR |
781 | |
782 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); | |
783 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); | |
784 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); | |
785 | ||
786 | static struct attribute *cxgb3_attrs[] = { | |
0ee8d33c DLR |
787 | &dev_attr_cam_size.attr, |
788 | &dev_attr_nfilters.attr, | |
789 | &dev_attr_nservers.attr, | |
4d22de3e DLR |
790 | NULL |
791 | }; | |
792 | ||
98dc8373 AY |
793 | static const struct attribute_group cxgb3_attr_group = { |
794 | .attrs = cxgb3_attrs, | |
795 | }; | |
4d22de3e | 796 | |
3e5192ee | 797 | static ssize_t tm_attr_show(struct device *d, |
0ee8d33c | 798 | char *buf, int sched) |
4d22de3e | 799 | { |
5fbf816f DLR |
800 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
801 | struct adapter *adap = pi->adapter; | |
4d22de3e | 802 | unsigned int v, addr, bpt, cpt; |
5fbf816f | 803 | ssize_t len; |
4d22de3e DLR |
804 | |
805 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; | |
806 | rtnl_lock(); | |
807 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); | |
808 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); | |
809 | if (sched & 1) | |
810 | v >>= 16; | |
811 | bpt = (v >> 8) & 0xff; | |
812 | cpt = v & 0xff; | |
813 | if (!cpt) | |
814 | len = sprintf(buf, "disabled\n"); | |
815 | else { | |
816 | v = (adap->params.vpd.cclk * 1000) / cpt; | |
817 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); | |
818 | } | |
819 | rtnl_unlock(); | |
820 | return len; | |
821 | } | |
822 | ||
3e5192ee | 823 | static ssize_t tm_attr_store(struct device *d, |
0ee8d33c | 824 | const char *buf, size_t len, int sched) |
4d22de3e | 825 | { |
5fbf816f DLR |
826 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
827 | struct adapter *adap = pi->adapter; | |
828 | unsigned int val; | |
4d22de3e | 829 | ssize_t ret; |
4d22de3e DLR |
830 | |
831 | if (!capable(CAP_NET_ADMIN)) | |
832 | return -EPERM; | |
833 | ||
e72c932d LC |
834 | ret = kstrtouint(buf, 0, &val); |
835 | if (ret) | |
836 | return ret; | |
837 | if (val > 10000000) | |
4d22de3e DLR |
838 | return -EINVAL; |
839 | ||
840 | rtnl_lock(); | |
841 | ret = t3_config_sched(adap, val, sched); | |
842 | if (!ret) | |
843 | ret = len; | |
844 | rtnl_unlock(); | |
845 | return ret; | |
846 | } | |
847 | ||
848 | #define TM_ATTR(name, sched) \ | |
0ee8d33c DLR |
849 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
850 | char *buf) \ | |
4d22de3e | 851 | { \ |
3e5192ee | 852 | return tm_attr_show(d, buf, sched); \ |
4d22de3e | 853 | } \ |
0ee8d33c DLR |
854 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
855 | const char *buf, size_t len) \ | |
4d22de3e | 856 | { \ |
3e5192ee | 857 | return tm_attr_store(d, buf, len, sched); \ |
4d22de3e | 858 | } \ |
d3757ba4 | 859 | static DEVICE_ATTR(name, 0644, show_##name, store_##name) |
4d22de3e DLR |
860 | |
861 | TM_ATTR(sched0, 0); | |
862 | TM_ATTR(sched1, 1); | |
863 | TM_ATTR(sched2, 2); | |
864 | TM_ATTR(sched3, 3); | |
865 | TM_ATTR(sched4, 4); | |
866 | TM_ATTR(sched5, 5); | |
867 | TM_ATTR(sched6, 6); | |
868 | TM_ATTR(sched7, 7); | |
869 | ||
870 | static struct attribute *offload_attrs[] = { | |
0ee8d33c DLR |
871 | &dev_attr_sched0.attr, |
872 | &dev_attr_sched1.attr, | |
873 | &dev_attr_sched2.attr, | |
874 | &dev_attr_sched3.attr, | |
875 | &dev_attr_sched4.attr, | |
876 | &dev_attr_sched5.attr, | |
877 | &dev_attr_sched6.attr, | |
878 | &dev_attr_sched7.attr, | |
4d22de3e DLR |
879 | NULL |
880 | }; | |
881 | ||
98dc8373 AY |
882 | static const struct attribute_group offload_attr_group = { |
883 | .attrs = offload_attrs, | |
884 | }; | |
4d22de3e DLR |
885 | |
886 | /* | |
887 | * Sends an sk_buff to an offload queue driver | |
888 | * after dealing with any active network taps. | |
889 | */ | |
890 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) | |
891 | { | |
892 | int ret; | |
893 | ||
894 | local_bh_disable(); | |
895 | ret = t3_offload_tx(tdev, skb); | |
896 | local_bh_enable(); | |
897 | return ret; | |
898 | } | |
899 | ||
900 | static int write_smt_entry(struct adapter *adapter, int idx) | |
901 | { | |
902 | struct cpl_smt_write_req *req; | |
f14d42f3 | 903 | struct port_info *pi = netdev_priv(adapter->port[idx]); |
4d22de3e DLR |
904 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
905 | ||
906 | if (!skb) | |
907 | return -ENOMEM; | |
908 | ||
4df864c1 | 909 | req = __skb_put(skb, sizeof(*req)); |
4d22de3e DLR |
910 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); |
911 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); | |
912 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ | |
913 | req->iff = idx; | |
4d22de3e | 914 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); |
f14d42f3 | 915 | memcpy(req->src_mac1, pi->iscsic.mac_addr, ETH_ALEN); |
4d22de3e DLR |
916 | skb->priority = 1; |
917 | offload_tx(&adapter->tdev, skb); | |
918 | return 0; | |
919 | } | |
920 | ||
921 | static int init_smt(struct adapter *adapter) | |
922 | { | |
923 | int i; | |
924 | ||
925 | for_each_port(adapter, i) | |
926 | write_smt_entry(adapter, i); | |
927 | return 0; | |
928 | } | |
929 | ||
930 | static void init_port_mtus(struct adapter *adapter) | |
931 | { | |
932 | unsigned int mtus = adapter->port[0]->mtu; | |
933 | ||
934 | if (adapter->port[1]) | |
935 | mtus |= adapter->port[1]->mtu << 16; | |
936 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); | |
937 | } | |
938 | ||
8c263761 | 939 | static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, |
14ab9892 DLR |
940 | int hi, int port) |
941 | { | |
942 | struct sk_buff *skb; | |
943 | struct mngt_pktsched_wr *req; | |
8c263761 | 944 | int ret; |
14ab9892 | 945 | |
74b793e1 DLR |
946 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); |
947 | if (!skb) | |
948 | skb = adap->nofail_skb; | |
949 | if (!skb) | |
950 | return -ENOMEM; | |
951 | ||
4df864c1 | 952 | req = skb_put(skb, sizeof(*req)); |
14ab9892 DLR |
953 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); |
954 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; | |
955 | req->sched = sched; | |
956 | req->idx = qidx; | |
957 | req->min = lo; | |
958 | req->max = hi; | |
959 | req->binding = port; | |
8c263761 | 960 | ret = t3_mgmt_tx(adap, skb); |
74b793e1 DLR |
961 | if (skb == adap->nofail_skb) { |
962 | adap->nofail_skb = alloc_skb(sizeof(struct cpl_set_tcb_field), | |
963 | GFP_KERNEL); | |
964 | if (!adap->nofail_skb) | |
965 | ret = -ENOMEM; | |
966 | } | |
8c263761 DLR |
967 | |
968 | return ret; | |
14ab9892 DLR |
969 | } |
970 | ||
8c263761 | 971 | static int bind_qsets(struct adapter *adap) |
14ab9892 | 972 | { |
8c263761 | 973 | int i, j, err = 0; |
14ab9892 DLR |
974 | |
975 | for_each_port(adap, i) { | |
976 | const struct port_info *pi = adap2pinfo(adap, i); | |
977 | ||
8c263761 DLR |
978 | for (j = 0; j < pi->nqsets; ++j) { |
979 | int ret = send_pktsched_cmd(adap, 1, | |
980 | pi->first_qset + j, -1, | |
981 | -1, i); | |
982 | if (ret) | |
983 | err = ret; | |
984 | } | |
14ab9892 | 985 | } |
8c263761 DLR |
986 | |
987 | return err; | |
14ab9892 DLR |
988 | } |
989 | ||
34336ec0 BH |
990 | #define FW_VERSION __stringify(FW_VERSION_MAJOR) "." \ |
991 | __stringify(FW_VERSION_MINOR) "." __stringify(FW_VERSION_MICRO) | |
992 | #define FW_FNAME "cxgb3/t3fw-" FW_VERSION ".bin" | |
993 | #define TPSRAM_VERSION __stringify(TP_VERSION_MAJOR) "." \ | |
994 | __stringify(TP_VERSION_MINOR) "." __stringify(TP_VERSION_MICRO) | |
995 | #define TPSRAM_NAME "cxgb3/t3%c_psram-" TPSRAM_VERSION ".bin" | |
2e8c07c3 DLR |
996 | #define AEL2005_OPT_EDC_NAME "cxgb3/ael2005_opt_edc.bin" |
997 | #define AEL2005_TWX_EDC_NAME "cxgb3/ael2005_twx_edc.bin" | |
9450526a | 998 | #define AEL2020_TWX_EDC_NAME "cxgb3/ael2020_twx_edc.bin" |
34336ec0 BH |
999 | MODULE_FIRMWARE(FW_FNAME); |
1000 | MODULE_FIRMWARE("cxgb3/t3b_psram-" TPSRAM_VERSION ".bin"); | |
1001 | MODULE_FIRMWARE("cxgb3/t3c_psram-" TPSRAM_VERSION ".bin"); | |
1002 | MODULE_FIRMWARE(AEL2005_OPT_EDC_NAME); | |
1003 | MODULE_FIRMWARE(AEL2005_TWX_EDC_NAME); | |
1004 | MODULE_FIRMWARE(AEL2020_TWX_EDC_NAME); | |
2e8c07c3 DLR |
1005 | |
1006 | static inline const char *get_edc_fw_name(int edc_idx) | |
1007 | { | |
1008 | const char *fw_name = NULL; | |
1009 | ||
1010 | switch (edc_idx) { | |
1011 | case EDC_OPT_AEL2005: | |
1012 | fw_name = AEL2005_OPT_EDC_NAME; | |
1013 | break; | |
1014 | case EDC_TWX_AEL2005: | |
1015 | fw_name = AEL2005_TWX_EDC_NAME; | |
1016 | break; | |
1017 | case EDC_TWX_AEL2020: | |
1018 | fw_name = AEL2020_TWX_EDC_NAME; | |
1019 | break; | |
1020 | } | |
1021 | return fw_name; | |
1022 | } | |
1023 | ||
1024 | int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size) | |
1025 | { | |
1026 | struct adapter *adapter = phy->adapter; | |
1027 | const struct firmware *fw; | |
92a486ca | 1028 | const char *fw_name; |
2e8c07c3 DLR |
1029 | u32 csum; |
1030 | const __be32 *p; | |
1031 | u16 *cache = phy->phy_cache; | |
92a486ca | 1032 | int i, ret = -EINVAL; |
2e8c07c3 | 1033 | |
92a486ca KC |
1034 | fw_name = get_edc_fw_name(edc_idx); |
1035 | if (fw_name) | |
1036 | ret = request_firmware(&fw, fw_name, &adapter->pdev->dev); | |
2e8c07c3 DLR |
1037 | if (ret < 0) { |
1038 | dev_err(&adapter->pdev->dev, | |
1039 | "could not upgrade firmware: unable to load %s\n", | |
92a486ca | 1040 | fw_name); |
2e8c07c3 DLR |
1041 | return ret; |
1042 | } | |
1043 | ||
1044 | /* check size, take checksum in account */ | |
1045 | if (fw->size > size + 4) { | |
1046 | CH_ERR(adapter, "firmware image too large %u, expected %d\n", | |
1047 | (unsigned int)fw->size, size + 4); | |
1048 | ret = -EINVAL; | |
1049 | } | |
1050 | ||
1051 | /* compute checksum */ | |
1052 | p = (const __be32 *)fw->data; | |
1053 | for (csum = 0, i = 0; i < fw->size / sizeof(csum); i++) | |
1054 | csum += ntohl(p[i]); | |
1055 | ||
1056 | if (csum != 0xffffffff) { | |
1057 | CH_ERR(adapter, "corrupted firmware image, checksum %u\n", | |
1058 | csum); | |
1059 | ret = -EINVAL; | |
1060 | } | |
1061 | ||
1062 | for (i = 0; i < size / 4 ; i++) { | |
1063 | *cache++ = (be32_to_cpu(p[i]) & 0xffff0000) >> 16; | |
1064 | *cache++ = be32_to_cpu(p[i]) & 0xffff; | |
1065 | } | |
1066 | ||
1067 | release_firmware(fw); | |
1068 | ||
1069 | return ret; | |
1070 | } | |
2e283962 DLR |
1071 | |
1072 | static int upgrade_fw(struct adapter *adap) | |
1073 | { | |
1074 | int ret; | |
2e283962 DLR |
1075 | const struct firmware *fw; |
1076 | struct device *dev = &adap->pdev->dev; | |
1077 | ||
34336ec0 | 1078 | ret = request_firmware(&fw, FW_FNAME, dev); |
2e283962 DLR |
1079 | if (ret < 0) { |
1080 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", | |
34336ec0 | 1081 | FW_FNAME); |
2e283962 DLR |
1082 | return ret; |
1083 | } | |
1084 | ret = t3_load_fw(adap, fw->data, fw->size); | |
1085 | release_firmware(fw); | |
47330077 DLR |
1086 | |
1087 | if (ret == 0) | |
1088 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", | |
1089 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
1090 | else | |
1091 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", | |
1092 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
2eab17ab | 1093 | |
47330077 DLR |
1094 | return ret; |
1095 | } | |
1096 | ||
1097 | static inline char t3rev2char(struct adapter *adapter) | |
1098 | { | |
1099 | char rev = 0; | |
1100 | ||
1101 | switch(adapter->params.rev) { | |
1102 | case T3_REV_B: | |
1103 | case T3_REV_B2: | |
1104 | rev = 'b'; | |
1105 | break; | |
1aafee26 DLR |
1106 | case T3_REV_C: |
1107 | rev = 'c'; | |
1108 | break; | |
47330077 DLR |
1109 | } |
1110 | return rev; | |
1111 | } | |
1112 | ||
9265fabf | 1113 | static int update_tpsram(struct adapter *adap) |
47330077 DLR |
1114 | { |
1115 | const struct firmware *tpsram; | |
1116 | char buf[64]; | |
1117 | struct device *dev = &adap->pdev->dev; | |
1118 | int ret; | |
1119 | char rev; | |
2eab17ab | 1120 | |
47330077 DLR |
1121 | rev = t3rev2char(adap); |
1122 | if (!rev) | |
1123 | return 0; | |
1124 | ||
34336ec0 | 1125 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev); |
47330077 DLR |
1126 | |
1127 | ret = request_firmware(&tpsram, buf, dev); | |
1128 | if (ret < 0) { | |
1129 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", | |
1130 | buf); | |
1131 | return ret; | |
1132 | } | |
2eab17ab | 1133 | |
47330077 DLR |
1134 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
1135 | if (ret) | |
2eab17ab | 1136 | goto release_tpsram; |
47330077 DLR |
1137 | |
1138 | ret = t3_set_proto_sram(adap, tpsram->data); | |
1139 | if (ret == 0) | |
1140 | dev_info(dev, | |
1141 | "successful update of protocol engine " | |
1142 | "to %d.%d.%d\n", | |
1143 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
1144 | else | |
1145 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", | |
1146 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
1147 | if (ret) | |
1148 | dev_err(dev, "loading protocol SRAM failed\n"); | |
1149 | ||
1150 | release_tpsram: | |
1151 | release_firmware(tpsram); | |
2eab17ab | 1152 | |
2e283962 DLR |
1153 | return ret; |
1154 | } | |
1155 | ||
60158e64 RD |
1156 | /** |
1157 | * t3_synchronize_rx - wait for current Rx processing on a port to complete | |
1158 | * @adap: the adapter | |
1159 | * @p: the port | |
1160 | * | |
1161 | * Ensures that current Rx processing on any of the queues associated with | |
1162 | * the given port completes before returning. We do this by acquiring and | |
1163 | * releasing the locks of the response queues associated with the port. | |
1164 | */ | |
1165 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) | |
1166 | { | |
1167 | int i; | |
1168 | ||
1169 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { | |
1170 | struct sge_rspq *q = &adap->sge.qs[i].rspq; | |
1171 | ||
1172 | spin_lock_irq(&q->lock); | |
1173 | spin_unlock_irq(&q->lock); | |
1174 | } | |
1175 | } | |
1176 | ||
1177 | static void cxgb_vlan_mode(struct net_device *dev, netdev_features_t features) | |
1178 | { | |
1179 | struct port_info *pi = netdev_priv(dev); | |
1180 | struct adapter *adapter = pi->adapter; | |
1181 | ||
1182 | if (adapter->params.rev > 0) { | |
1183 | t3_set_vlan_accel(adapter, 1 << pi->port_id, | |
f646968f | 1184 | features & NETIF_F_HW_VLAN_CTAG_RX); |
60158e64 RD |
1185 | } else { |
1186 | /* single control for all ports */ | |
f646968f | 1187 | unsigned int i, have_vlans = features & NETIF_F_HW_VLAN_CTAG_RX; |
60158e64 RD |
1188 | |
1189 | for_each_port(adapter, i) | |
1190 | have_vlans |= | |
f646968f PM |
1191 | adapter->port[i]->features & |
1192 | NETIF_F_HW_VLAN_CTAG_RX; | |
60158e64 RD |
1193 | |
1194 | t3_set_vlan_accel(adapter, 1, have_vlans); | |
1195 | } | |
1196 | t3_synchronize_rx(adapter, pi); | |
1197 | } | |
1198 | ||
4d22de3e DLR |
1199 | /** |
1200 | * cxgb_up - enable the adapter | |
d0ea5cbd | 1201 | * @adap: adapter being enabled |
4d22de3e DLR |
1202 | * |
1203 | * Called when the first port is enabled, this function performs the | |
1204 | * actions necessary to make an adapter operational, such as completing | |
1205 | * the initialization of HW modules, and enabling interrupts. | |
1206 | * | |
1207 | * Must be called with the rtnl lock held. | |
1208 | */ | |
1209 | static int cxgb_up(struct adapter *adap) | |
1210 | { | |
60158e64 | 1211 | int i, err; |
4d22de3e DLR |
1212 | |
1213 | if (!(adap->flags & FULL_INIT_DONE)) { | |
8207befa | 1214 | err = t3_check_fw_version(adap); |
a5a3b460 | 1215 | if (err == -EINVAL) { |
2e283962 | 1216 | err = upgrade_fw(adap); |
8207befa DLR |
1217 | CH_WARN(adap, "FW upgrade to %d.%d.%d %s\n", |
1218 | FW_VERSION_MAJOR, FW_VERSION_MINOR, | |
1219 | FW_VERSION_MICRO, err ? "failed" : "succeeded"); | |
a5a3b460 | 1220 | } |
4d22de3e | 1221 | |
8207befa | 1222 | err = t3_check_tpsram_version(adap); |
47330077 DLR |
1223 | if (err == -EINVAL) { |
1224 | err = update_tpsram(adap); | |
8207befa DLR |
1225 | CH_WARN(adap, "TP upgrade to %d.%d.%d %s\n", |
1226 | TP_VERSION_MAJOR, TP_VERSION_MINOR, | |
1227 | TP_VERSION_MICRO, err ? "failed" : "succeeded"); | |
47330077 DLR |
1228 | } |
1229 | ||
20d3fc11 DLR |
1230 | /* |
1231 | * Clear interrupts now to catch errors if t3_init_hw fails. | |
1232 | * We clear them again later as initialization may trigger | |
1233 | * conditions that can interrupt. | |
1234 | */ | |
1235 | t3_intr_clear(adap); | |
1236 | ||
4d22de3e DLR |
1237 | err = t3_init_hw(adap, 0); |
1238 | if (err) | |
1239 | goto out; | |
1240 | ||
b881955b | 1241 | t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); |
6cdbd77e | 1242 | t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); |
bea3348e | 1243 | |
4d22de3e DLR |
1244 | err = setup_sge_qsets(adap); |
1245 | if (err) | |
1246 | goto out; | |
1247 | ||
60158e64 RD |
1248 | for_each_port(adap, i) |
1249 | cxgb_vlan_mode(adap->port[i], adap->port[i]->features); | |
1250 | ||
4d22de3e | 1251 | setup_rss(adap); |
48c4b6db DLR |
1252 | if (!(adap->flags & NAPI_INIT)) |
1253 | init_napi(adap); | |
31563789 DLR |
1254 | |
1255 | t3_start_sge_timers(adap); | |
4d22de3e DLR |
1256 | adap->flags |= FULL_INIT_DONE; |
1257 | } | |
1258 | ||
1259 | t3_intr_clear(adap); | |
1260 | ||
1261 | if (adap->flags & USING_MSIX) { | |
1262 | name_msix_vecs(adap); | |
1263 | err = request_irq(adap->msix_info[0].vec, | |
1264 | t3_async_intr_handler, 0, | |
1265 | adap->msix_info[0].desc, adap); | |
1266 | if (err) | |
1267 | goto irq_err; | |
1268 | ||
42256f57 DLR |
1269 | err = request_msix_data_irqs(adap); |
1270 | if (err) { | |
4d22de3e DLR |
1271 | free_irq(adap->msix_info[0].vec, adap); |
1272 | goto irq_err; | |
1273 | } | |
6a8dd8b2 ÍH |
1274 | } else { |
1275 | err = request_irq(adap->pdev->irq, | |
1276 | t3_intr_handler(adap, adap->sge.qs[0].rspq.polling), | |
1277 | (adap->flags & USING_MSI) ? 0 : IRQF_SHARED, | |
1278 | adap->name, adap); | |
1279 | if (err) | |
1280 | goto irq_err; | |
1281 | } | |
4d22de3e | 1282 | |
bea3348e | 1283 | enable_all_napi(adap); |
4d22de3e DLR |
1284 | t3_sge_start(adap); |
1285 | t3_intr_enable(adap); | |
14ab9892 | 1286 | |
b881955b DLR |
1287 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
1288 | is_offload(adap) && init_tp_parity(adap) == 0) | |
1289 | adap->flags |= TP_PARITY_INIT; | |
1290 | ||
1291 | if (adap->flags & TP_PARITY_INIT) { | |
1292 | t3_write_reg(adap, A_TP_INT_CAUSE, | |
1293 | F_CMCACHEPERR | F_ARPLUTPERR); | |
1294 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); | |
1295 | } | |
1296 | ||
8c263761 | 1297 | if (!(adap->flags & QUEUES_BOUND)) { |
18edc84c DLR |
1298 | int ret = bind_qsets(adap); |
1299 | ||
1300 | if (ret < 0) { | |
1301 | CH_ERR(adap, "failed to bind qsets, err %d\n", ret); | |
8c263761 | 1302 | t3_intr_disable(adap); |
d75aed14 | 1303 | quiesce_rx(adap); |
8c263761 | 1304 | free_irq_resources(adap); |
18edc84c | 1305 | err = ret; |
8c263761 DLR |
1306 | goto out; |
1307 | } | |
1308 | adap->flags |= QUEUES_BOUND; | |
1309 | } | |
14ab9892 | 1310 | |
4d22de3e DLR |
1311 | out: |
1312 | return err; | |
1313 | irq_err: | |
1314 | CH_ERR(adap, "request_irq failed, err %d\n", err); | |
1315 | goto out; | |
1316 | } | |
1317 | ||
1318 | /* | |
1319 | * Release resources when all the ports and offloading have been stopped. | |
1320 | */ | |
55bc3228 | 1321 | static void cxgb_down(struct adapter *adapter, int on_wq) |
4d22de3e DLR |
1322 | { |
1323 | t3_sge_stop(adapter); | |
1324 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ | |
1325 | t3_intr_disable(adapter); | |
1326 | spin_unlock_irq(&adapter->work_lock); | |
1327 | ||
8c263761 | 1328 | free_irq_resources(adapter); |
4d22de3e | 1329 | quiesce_rx(adapter); |
a6f018e3 | 1330 | t3_sge_stop(adapter); |
55bc3228 CL |
1331 | if (!on_wq) |
1332 | flush_workqueue(cxgb3_wq);/* wait for external IRQ handler */ | |
4d22de3e DLR |
1333 | } |
1334 | ||
1335 | static void schedule_chk_task(struct adapter *adap) | |
1336 | { | |
1337 | unsigned int timeo; | |
1338 | ||
1339 | timeo = adap->params.linkpoll_period ? | |
1340 | (HZ * adap->params.linkpoll_period) / 10 : | |
1341 | adap->params.stats_update_period * HZ; | |
1342 | if (timeo) | |
1343 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); | |
1344 | } | |
1345 | ||
1346 | static int offload_open(struct net_device *dev) | |
1347 | { | |
5fbf816f DLR |
1348 | struct port_info *pi = netdev_priv(dev); |
1349 | struct adapter *adapter = pi->adapter; | |
1350 | struct t3cdev *tdev = dev2t3cdev(dev); | |
4d22de3e | 1351 | int adap_up = adapter->open_device_map & PORT_MASK; |
c54f5c24 | 1352 | int err; |
4d22de3e DLR |
1353 | |
1354 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1355 | return 0; | |
1356 | ||
1357 | if (!adap_up && (err = cxgb_up(adapter)) < 0) | |
48c4b6db | 1358 | goto out; |
4d22de3e DLR |
1359 | |
1360 | t3_tp_set_offload_mode(adapter, 1); | |
1361 | tdev->lldev = adapter->port[0]; | |
1362 | err = cxgb3_offload_activate(adapter); | |
1363 | if (err) | |
1364 | goto out; | |
1365 | ||
1366 | init_port_mtus(adapter); | |
1367 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, | |
1368 | adapter->params.b_wnd, | |
1369 | adapter->params.rev == 0 ? | |
1370 | adapter->port[0]->mtu : 0xffff); | |
1371 | init_smt(adapter); | |
1372 | ||
d96a51f6 DN |
1373 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
1374 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); | |
4d22de3e DLR |
1375 | |
1376 | /* Call back all registered clients */ | |
1377 | cxgb3_add_clients(tdev); | |
1378 | ||
1379 | out: | |
1380 | /* restore them in case the offload module has changed them */ | |
1381 | if (err) { | |
1382 | t3_tp_set_offload_mode(adapter, 0); | |
1383 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1384 | cxgb3_set_dummy_ops(tdev); | |
1385 | } | |
1386 | return err; | |
1387 | } | |
1388 | ||
1389 | static int offload_close(struct t3cdev *tdev) | |
1390 | { | |
1391 | struct adapter *adapter = tdev2adap(tdev); | |
23f333a2 | 1392 | struct t3c_data *td = T3C_DATA(tdev); |
4d22de3e DLR |
1393 | |
1394 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1395 | return 0; | |
1396 | ||
1397 | /* Call back all registered clients */ | |
1398 | cxgb3_remove_clients(tdev); | |
1399 | ||
0ee8d33c | 1400 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
4d22de3e | 1401 | |
c80b0c28 | 1402 | /* Flush work scheduled while releasing TIDs */ |
43829731 | 1403 | flush_work(&td->tid_release_task); |
c80b0c28 | 1404 | |
4d22de3e DLR |
1405 | tdev->lldev = NULL; |
1406 | cxgb3_set_dummy_ops(tdev); | |
1407 | t3_tp_set_offload_mode(adapter, 0); | |
1408 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1409 | ||
1410 | if (!adapter->open_device_map) | |
55bc3228 | 1411 | cxgb_down(adapter, 0); |
4d22de3e DLR |
1412 | |
1413 | cxgb3_offload_deactivate(adapter); | |
1414 | return 0; | |
1415 | } | |
1416 | ||
1417 | static int cxgb_open(struct net_device *dev) | |
1418 | { | |
4d22de3e | 1419 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1420 | struct adapter *adapter = pi->adapter; |
4d22de3e | 1421 | int other_ports = adapter->open_device_map & PORT_MASK; |
5fbf816f | 1422 | int err; |
4d22de3e | 1423 | |
48c4b6db | 1424 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
4d22de3e DLR |
1425 | return err; |
1426 | ||
1427 | set_bit(pi->port_id, &adapter->open_device_map); | |
8ac3ba68 | 1428 | if (is_offload(adapter) && !ofld_disable) { |
4d22de3e DLR |
1429 | err = offload_open(dev); |
1430 | if (err) | |
428ac43f | 1431 | pr_warn("Could not initialize offload capabilities\n"); |
4d22de3e DLR |
1432 | } |
1433 | ||
19221e75 BH |
1434 | netif_set_real_num_tx_queues(dev, pi->nqsets); |
1435 | err = netif_set_real_num_rx_queues(dev, pi->nqsets); | |
1436 | if (err) | |
1437 | return err; | |
4d22de3e DLR |
1438 | link_start(dev); |
1439 | t3_port_intr_enable(adapter, pi->port_id); | |
82ad3329 | 1440 | netif_tx_start_all_queues(dev); |
4d22de3e DLR |
1441 | if (!other_ports) |
1442 | schedule_chk_task(adapter); | |
1443 | ||
fa0d4c11 | 1444 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_UP, pi->port_id); |
4d22de3e DLR |
1445 | return 0; |
1446 | } | |
1447 | ||
55bc3228 | 1448 | static int __cxgb_close(struct net_device *dev, int on_wq) |
4d22de3e | 1449 | { |
5fbf816f DLR |
1450 | struct port_info *pi = netdev_priv(dev); |
1451 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1452 | |
e8d19370 DLR |
1453 | |
1454 | if (!adapter->open_device_map) | |
1455 | return 0; | |
1456 | ||
bf792094 DLR |
1457 | /* Stop link fault interrupts */ |
1458 | t3_xgm_intr_disable(adapter, pi->port_id); | |
1459 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
1460 | ||
5fbf816f | 1461 | t3_port_intr_disable(adapter, pi->port_id); |
82ad3329 | 1462 | netif_tx_stop_all_queues(dev); |
5fbf816f | 1463 | pi->phy.ops->power_down(&pi->phy, 1); |
4d22de3e | 1464 | netif_carrier_off(dev); |
5fbf816f | 1465 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
4d22de3e | 1466 | |
20d3fc11 | 1467 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
5fbf816f | 1468 | clear_bit(pi->port_id, &adapter->open_device_map); |
20d3fc11 | 1469 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
1470 | |
1471 | if (!(adapter->open_device_map & PORT_MASK)) | |
c80b0c28 | 1472 | cancel_delayed_work_sync(&adapter->adap_check_task); |
4d22de3e DLR |
1473 | |
1474 | if (!adapter->open_device_map) | |
55bc3228 | 1475 | cxgb_down(adapter, on_wq); |
4d22de3e | 1476 | |
fa0d4c11 | 1477 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_PORT_DOWN, pi->port_id); |
4d22de3e DLR |
1478 | return 0; |
1479 | } | |
1480 | ||
55bc3228 CL |
1481 | static int cxgb_close(struct net_device *dev) |
1482 | { | |
1483 | return __cxgb_close(dev, 0); | |
1484 | } | |
1485 | ||
4d22de3e DLR |
1486 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) |
1487 | { | |
5fbf816f DLR |
1488 | struct port_info *pi = netdev_priv(dev); |
1489 | struct adapter *adapter = pi->adapter; | |
a73be7fe | 1490 | struct net_device_stats *ns = &dev->stats; |
4d22de3e DLR |
1491 | const struct mac_stats *pstats; |
1492 | ||
1493 | spin_lock(&adapter->stats_lock); | |
5fbf816f | 1494 | pstats = t3_mac_update_stats(&pi->mac); |
4d22de3e DLR |
1495 | spin_unlock(&adapter->stats_lock); |
1496 | ||
1497 | ns->tx_bytes = pstats->tx_octets; | |
1498 | ns->tx_packets = pstats->tx_frames; | |
1499 | ns->rx_bytes = pstats->rx_octets; | |
1500 | ns->rx_packets = pstats->rx_frames; | |
1501 | ns->multicast = pstats->rx_mcast_frames; | |
1502 | ||
1503 | ns->tx_errors = pstats->tx_underrun; | |
1504 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + | |
1505 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + | |
1506 | pstats->rx_fifo_ovfl; | |
1507 | ||
1508 | /* detailed rx_errors */ | |
1509 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; | |
1510 | ns->rx_over_errors = 0; | |
1511 | ns->rx_crc_errors = pstats->rx_fcs_errs; | |
1512 | ns->rx_frame_errors = pstats->rx_symbol_errs; | |
1513 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; | |
1514 | ns->rx_missed_errors = pstats->rx_cong_drops; | |
1515 | ||
1516 | /* detailed tx_errors */ | |
1517 | ns->tx_aborted_errors = 0; | |
1518 | ns->tx_carrier_errors = 0; | |
1519 | ns->tx_fifo_errors = pstats->tx_underrun; | |
1520 | ns->tx_heartbeat_errors = 0; | |
1521 | ns->tx_window_errors = 0; | |
1522 | return ns; | |
1523 | } | |
1524 | ||
1525 | static u32 get_msglevel(struct net_device *dev) | |
1526 | { | |
5fbf816f DLR |
1527 | struct port_info *pi = netdev_priv(dev); |
1528 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1529 | |
1530 | return adapter->msg_enable; | |
1531 | } | |
1532 | ||
1533 | static void set_msglevel(struct net_device *dev, u32 val) | |
1534 | { | |
5fbf816f DLR |
1535 | struct port_info *pi = netdev_priv(dev); |
1536 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1537 | |
1538 | adapter->msg_enable = val; | |
1539 | } | |
1540 | ||
9ca683c6 | 1541 | static const char stats_strings[][ETH_GSTRING_LEN] = { |
4d22de3e DLR |
1542 | "TxOctetsOK ", |
1543 | "TxFramesOK ", | |
1544 | "TxMulticastFramesOK", | |
1545 | "TxBroadcastFramesOK", | |
1546 | "TxPauseFrames ", | |
1547 | "TxUnderrun ", | |
1548 | "TxExtUnderrun ", | |
1549 | ||
1550 | "TxFrames64 ", | |
1551 | "TxFrames65To127 ", | |
1552 | "TxFrames128To255 ", | |
1553 | "TxFrames256To511 ", | |
1554 | "TxFrames512To1023 ", | |
1555 | "TxFrames1024To1518 ", | |
1556 | "TxFrames1519ToMax ", | |
1557 | ||
1558 | "RxOctetsOK ", | |
1559 | "RxFramesOK ", | |
1560 | "RxMulticastFramesOK", | |
1561 | "RxBroadcastFramesOK", | |
1562 | "RxPauseFrames ", | |
1563 | "RxFCSErrors ", | |
1564 | "RxSymbolErrors ", | |
1565 | "RxShortErrors ", | |
1566 | "RxJabberErrors ", | |
1567 | "RxLengthErrors ", | |
1568 | "RxFIFOoverflow ", | |
1569 | ||
1570 | "RxFrames64 ", | |
1571 | "RxFrames65To127 ", | |
1572 | "RxFrames128To255 ", | |
1573 | "RxFrames256To511 ", | |
1574 | "RxFrames512To1023 ", | |
1575 | "RxFrames1024To1518 ", | |
1576 | "RxFrames1519ToMax ", | |
1577 | ||
1578 | "PhyFIFOErrors ", | |
1579 | "TSO ", | |
1580 | "VLANextractions ", | |
1581 | "VLANinsertions ", | |
1582 | "TxCsumOffload ", | |
1583 | "RxCsumGood ", | |
b47385bd DLR |
1584 | "LroAggregated ", |
1585 | "LroFlushed ", | |
1586 | "LroNoDesc ", | |
fc90664e DLR |
1587 | "RxDrops ", |
1588 | ||
1589 | "CheckTXEnToggled ", | |
1590 | "CheckResets ", | |
1591 | ||
bf792094 | 1592 | "LinkFaults ", |
4d22de3e DLR |
1593 | }; |
1594 | ||
b9f2c044 | 1595 | static int get_sset_count(struct net_device *dev, int sset) |
4d22de3e | 1596 | { |
b9f2c044 JG |
1597 | switch (sset) { |
1598 | case ETH_SS_STATS: | |
1599 | return ARRAY_SIZE(stats_strings); | |
1600 | default: | |
1601 | return -EOPNOTSUPP; | |
1602 | } | |
4d22de3e DLR |
1603 | } |
1604 | ||
1605 | #define T3_REGMAP_SIZE (3 * 1024) | |
1606 | ||
1607 | static int get_regs_len(struct net_device *dev) | |
1608 | { | |
1609 | return T3_REGMAP_SIZE; | |
1610 | } | |
1611 | ||
1612 | static int get_eeprom_len(struct net_device *dev) | |
1613 | { | |
1614 | return EEPROMSIZE; | |
1615 | } | |
1616 | ||
1617 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
1618 | { | |
5fbf816f DLR |
1619 | struct port_info *pi = netdev_priv(dev); |
1620 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1621 | u32 fw_vers = 0; |
47330077 | 1622 | u32 tp_vers = 0; |
4d22de3e | 1623 | |
cf3760da | 1624 | spin_lock(&adapter->stats_lock); |
4d22de3e | 1625 | t3_get_fw_version(adapter, &fw_vers); |
47330077 | 1626 | t3_get_tp_version(adapter, &tp_vers); |
cf3760da | 1627 | spin_unlock(&adapter->stats_lock); |
4d22de3e | 1628 | |
f029c781 WS |
1629 | strscpy(info->driver, DRV_NAME, sizeof(info->driver)); |
1630 | strscpy(info->bus_info, pci_name(adapter->pdev), | |
23020ab3 | 1631 | sizeof(info->bus_info)); |
84b40501 | 1632 | if (fw_vers) |
4d22de3e | 1633 | snprintf(info->fw_version, sizeof(info->fw_version), |
47330077 | 1634 | "%s %u.%u.%u TP %u.%u.%u", |
4aac3899 DLR |
1635 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
1636 | G_FW_VERSION_MAJOR(fw_vers), | |
1637 | G_FW_VERSION_MINOR(fw_vers), | |
47330077 DLR |
1638 | G_FW_VERSION_MICRO(fw_vers), |
1639 | G_TP_VERSION_MAJOR(tp_vers), | |
1640 | G_TP_VERSION_MINOR(tp_vers), | |
1641 | G_TP_VERSION_MICRO(tp_vers)); | |
4d22de3e DLR |
1642 | } |
1643 | ||
1644 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) | |
1645 | { | |
1646 | if (stringset == ETH_SS_STATS) | |
1647 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
1648 | } | |
1649 | ||
1650 | static unsigned long collect_sge_port_stats(struct adapter *adapter, | |
1651 | struct port_info *p, int idx) | |
1652 | { | |
1653 | int i; | |
1654 | unsigned long tot = 0; | |
1655 | ||
8c263761 DLR |
1656 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
1657 | tot += adapter->sge.qs[i].port_stats[idx]; | |
4d22de3e DLR |
1658 | return tot; |
1659 | } | |
1660 | ||
1661 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
1662 | u64 *data) | |
1663 | { | |
4d22de3e | 1664 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1665 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
1666 | const struct mac_stats *s; |
1667 | ||
1668 | spin_lock(&adapter->stats_lock); | |
1669 | s = t3_mac_update_stats(&pi->mac); | |
1670 | spin_unlock(&adapter->stats_lock); | |
1671 | ||
1672 | *data++ = s->tx_octets; | |
1673 | *data++ = s->tx_frames; | |
1674 | *data++ = s->tx_mcast_frames; | |
1675 | *data++ = s->tx_bcast_frames; | |
1676 | *data++ = s->tx_pause; | |
1677 | *data++ = s->tx_underrun; | |
1678 | *data++ = s->tx_fifo_urun; | |
1679 | ||
1680 | *data++ = s->tx_frames_64; | |
1681 | *data++ = s->tx_frames_65_127; | |
1682 | *data++ = s->tx_frames_128_255; | |
1683 | *data++ = s->tx_frames_256_511; | |
1684 | *data++ = s->tx_frames_512_1023; | |
1685 | *data++ = s->tx_frames_1024_1518; | |
1686 | *data++ = s->tx_frames_1519_max; | |
1687 | ||
1688 | *data++ = s->rx_octets; | |
1689 | *data++ = s->rx_frames; | |
1690 | *data++ = s->rx_mcast_frames; | |
1691 | *data++ = s->rx_bcast_frames; | |
1692 | *data++ = s->rx_pause; | |
1693 | *data++ = s->rx_fcs_errs; | |
1694 | *data++ = s->rx_symbol_errs; | |
1695 | *data++ = s->rx_short; | |
1696 | *data++ = s->rx_jabber; | |
1697 | *data++ = s->rx_too_long; | |
1698 | *data++ = s->rx_fifo_ovfl; | |
1699 | ||
1700 | *data++ = s->rx_frames_64; | |
1701 | *data++ = s->rx_frames_65_127; | |
1702 | *data++ = s->rx_frames_128_255; | |
1703 | *data++ = s->rx_frames_256_511; | |
1704 | *data++ = s->rx_frames_512_1023; | |
1705 | *data++ = s->rx_frames_1024_1518; | |
1706 | *data++ = s->rx_frames_1519_max; | |
1707 | ||
1708 | *data++ = pi->phy.fifo_errors; | |
1709 | ||
1710 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); | |
1711 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); | |
1712 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); | |
1713 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); | |
1714 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); | |
7be2df45 HX |
1715 | *data++ = 0; |
1716 | *data++ = 0; | |
1717 | *data++ = 0; | |
4d22de3e | 1718 | *data++ = s->rx_cong_drops; |
fc90664e DLR |
1719 | |
1720 | *data++ = s->num_toggled; | |
1721 | *data++ = s->num_resets; | |
bf792094 DLR |
1722 | |
1723 | *data++ = s->link_faults; | |
4d22de3e DLR |
1724 | } |
1725 | ||
1726 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
1727 | unsigned int start, unsigned int end) | |
1728 | { | |
1729 | u32 *p = buf + start; | |
1730 | ||
1731 | for (; start <= end; start += sizeof(u32)) | |
1732 | *p++ = t3_read_reg(ap, start); | |
1733 | } | |
1734 | ||
1735 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, | |
1736 | void *buf) | |
1737 | { | |
5fbf816f DLR |
1738 | struct port_info *pi = netdev_priv(dev); |
1739 | struct adapter *ap = pi->adapter; | |
4d22de3e DLR |
1740 | |
1741 | /* | |
1742 | * Version scheme: | |
1743 | * bits 0..9: chip version | |
1744 | * bits 10..15: chip revision | |
1745 | * bit 31: set for PCIe cards | |
1746 | */ | |
1747 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); | |
1748 | ||
1749 | /* | |
1750 | * We skip the MAC statistics registers because they are clear-on-read. | |
1751 | * Also reading multi-register stats would need to synchronize with the | |
1752 | * periodic mac stats accumulation. Hard to justify the complexity. | |
1753 | */ | |
1754 | memset(buf, 0, T3_REGMAP_SIZE); | |
1755 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); | |
1756 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); | |
1757 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); | |
1758 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); | |
1759 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); | |
1760 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, | |
1761 | XGM_REG(A_XGM_SERDES_STAT3, 1)); | |
1762 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), | |
1763 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); | |
1764 | } | |
1765 | ||
1766 | static int restart_autoneg(struct net_device *dev) | |
1767 | { | |
1768 | struct port_info *p = netdev_priv(dev); | |
1769 | ||
1770 | if (!netif_running(dev)) | |
1771 | return -EAGAIN; | |
1772 | if (p->link_config.autoneg != AUTONEG_ENABLE) | |
1773 | return -EINVAL; | |
1774 | p->phy.ops->autoneg_restart(&p->phy); | |
1775 | return 0; | |
1776 | } | |
1777 | ||
12fcf941 | 1778 | static int set_phys_id(struct net_device *dev, |
1779 | enum ethtool_phys_id_state state) | |
4d22de3e | 1780 | { |
5fbf816f DLR |
1781 | struct port_info *pi = netdev_priv(dev); |
1782 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1783 | |
12fcf941 | 1784 | switch (state) { |
1785 | case ETHTOOL_ID_ACTIVE: | |
fce55922 | 1786 | return 1; /* cycle on/off once per second */ |
12fcf941 | 1787 | |
1788 | case ETHTOOL_ID_OFF: | |
1789 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0); | |
1790 | break; | |
4d22de3e | 1791 | |
12fcf941 | 1792 | case ETHTOOL_ID_ON: |
1793 | case ETHTOOL_ID_INACTIVE: | |
4d22de3e | 1794 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, |
4d22de3e | 1795 | F_GPIO0_OUT_VAL); |
12fcf941 | 1796 | } |
1797 | ||
4d22de3e DLR |
1798 | return 0; |
1799 | } | |
1800 | ||
b7b44fd2 PR |
1801 | static int get_link_ksettings(struct net_device *dev, |
1802 | struct ethtool_link_ksettings *cmd) | |
4d22de3e DLR |
1803 | { |
1804 | struct port_info *p = netdev_priv(dev); | |
b7b44fd2 | 1805 | u32 supported; |
4d22de3e | 1806 | |
b7b44fd2 PR |
1807 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, |
1808 | p->link_config.supported); | |
1809 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, | |
1810 | p->link_config.advertising); | |
4d22de3e DLR |
1811 | |
1812 | if (netif_carrier_ok(dev)) { | |
b7b44fd2 PR |
1813 | cmd->base.speed = p->link_config.speed; |
1814 | cmd->base.duplex = p->link_config.duplex; | |
4d22de3e | 1815 | } else { |
b7b44fd2 PR |
1816 | cmd->base.speed = SPEED_UNKNOWN; |
1817 | cmd->base.duplex = DUPLEX_UNKNOWN; | |
4d22de3e DLR |
1818 | } |
1819 | ||
b7b44fd2 PR |
1820 | ethtool_convert_link_mode_to_legacy_u32(&supported, |
1821 | cmd->link_modes.supported); | |
1822 | ||
1823 | cmd->base.port = (supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; | |
1824 | cmd->base.phy_address = p->phy.mdio.prtad; | |
1825 | cmd->base.autoneg = p->link_config.autoneg; | |
4d22de3e DLR |
1826 | return 0; |
1827 | } | |
1828 | ||
1829 | static int speed_duplex_to_caps(int speed, int duplex) | |
1830 | { | |
1831 | int cap = 0; | |
1832 | ||
1833 | switch (speed) { | |
1834 | case SPEED_10: | |
1835 | if (duplex == DUPLEX_FULL) | |
1836 | cap = SUPPORTED_10baseT_Full; | |
1837 | else | |
1838 | cap = SUPPORTED_10baseT_Half; | |
1839 | break; | |
1840 | case SPEED_100: | |
1841 | if (duplex == DUPLEX_FULL) | |
1842 | cap = SUPPORTED_100baseT_Full; | |
1843 | else | |
1844 | cap = SUPPORTED_100baseT_Half; | |
1845 | break; | |
1846 | case SPEED_1000: | |
1847 | if (duplex == DUPLEX_FULL) | |
1848 | cap = SUPPORTED_1000baseT_Full; | |
1849 | else | |
1850 | cap = SUPPORTED_1000baseT_Half; | |
1851 | break; | |
1852 | case SPEED_10000: | |
1853 | if (duplex == DUPLEX_FULL) | |
1854 | cap = SUPPORTED_10000baseT_Full; | |
1855 | } | |
1856 | return cap; | |
1857 | } | |
1858 | ||
1859 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
1860 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
1861 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
1862 | ADVERTISED_10000baseT_Full) | |
1863 | ||
b7b44fd2 PR |
1864 | static int set_link_ksettings(struct net_device *dev, |
1865 | const struct ethtool_link_ksettings *cmd) | |
4d22de3e DLR |
1866 | { |
1867 | struct port_info *p = netdev_priv(dev); | |
1868 | struct link_config *lc = &p->link_config; | |
b7b44fd2 PR |
1869 | u32 advertising; |
1870 | ||
1871 | ethtool_convert_link_mode_to_legacy_u32(&advertising, | |
1872 | cmd->link_modes.advertising); | |
4d22de3e | 1873 | |
9b1e3656 DLR |
1874 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
1875 | /* | |
1876 | * PHY offers a single speed/duplex. See if that's what's | |
1877 | * being requested. | |
1878 | */ | |
b7b44fd2 PR |
1879 | if (cmd->base.autoneg == AUTONEG_DISABLE) { |
1880 | u32 speed = cmd->base.speed; | |
1881 | int cap = speed_duplex_to_caps(speed, cmd->base.duplex); | |
9b1e3656 DLR |
1882 | if (lc->supported & cap) |
1883 | return 0; | |
1884 | } | |
1885 | return -EINVAL; | |
1886 | } | |
4d22de3e | 1887 | |
b7b44fd2 PR |
1888 | if (cmd->base.autoneg == AUTONEG_DISABLE) { |
1889 | u32 speed = cmd->base.speed; | |
1890 | int cap = speed_duplex_to_caps(speed, cmd->base.duplex); | |
4d22de3e | 1891 | |
25db0338 | 1892 | if (!(lc->supported & cap) || (speed == SPEED_1000)) |
4d22de3e | 1893 | return -EINVAL; |
25db0338 | 1894 | lc->requested_speed = speed; |
b7b44fd2 | 1895 | lc->requested_duplex = cmd->base.duplex; |
4d22de3e DLR |
1896 | lc->advertising = 0; |
1897 | } else { | |
b7b44fd2 PR |
1898 | advertising &= ADVERTISED_MASK; |
1899 | advertising &= lc->supported; | |
1900 | if (!advertising) | |
4d22de3e DLR |
1901 | return -EINVAL; |
1902 | lc->requested_speed = SPEED_INVALID; | |
1903 | lc->requested_duplex = DUPLEX_INVALID; | |
b7b44fd2 | 1904 | lc->advertising = advertising | ADVERTISED_Autoneg; |
4d22de3e | 1905 | } |
b7b44fd2 | 1906 | lc->autoneg = cmd->base.autoneg; |
4d22de3e DLR |
1907 | if (netif_running(dev)) |
1908 | t3_link_start(&p->phy, &p->mac, lc); | |
1909 | return 0; | |
1910 | } | |
1911 | ||
1912 | static void get_pauseparam(struct net_device *dev, | |
1913 | struct ethtool_pauseparam *epause) | |
1914 | { | |
1915 | struct port_info *p = netdev_priv(dev); | |
1916 | ||
1917 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
1918 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
1919 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
1920 | } | |
1921 | ||
1922 | static int set_pauseparam(struct net_device *dev, | |
1923 | struct ethtool_pauseparam *epause) | |
1924 | { | |
1925 | struct port_info *p = netdev_priv(dev); | |
1926 | struct link_config *lc = &p->link_config; | |
1927 | ||
1928 | if (epause->autoneg == AUTONEG_DISABLE) | |
1929 | lc->requested_fc = 0; | |
1930 | else if (lc->supported & SUPPORTED_Autoneg) | |
1931 | lc->requested_fc = PAUSE_AUTONEG; | |
1932 | else | |
1933 | return -EINVAL; | |
1934 | ||
1935 | if (epause->rx_pause) | |
1936 | lc->requested_fc |= PAUSE_RX; | |
1937 | if (epause->tx_pause) | |
1938 | lc->requested_fc |= PAUSE_TX; | |
1939 | if (lc->autoneg == AUTONEG_ENABLE) { | |
1940 | if (netif_running(dev)) | |
1941 | t3_link_start(&p->phy, &p->mac, lc); | |
1942 | } else { | |
1943 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1944 | if (netif_running(dev)) | |
1945 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); | |
1946 | } | |
1947 | return 0; | |
1948 | } | |
1949 | ||
74624944 HC |
1950 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e, |
1951 | struct kernel_ethtool_ringparam *kernel_e, | |
1952 | struct netlink_ext_ack *extack) | |
4d22de3e | 1953 | { |
5fbf816f DLR |
1954 | struct port_info *pi = netdev_priv(dev); |
1955 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1956 | const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; |
4d22de3e DLR |
1957 | |
1958 | e->rx_max_pending = MAX_RX_BUFFERS; | |
4d22de3e DLR |
1959 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; |
1960 | e->tx_max_pending = MAX_TXQ_ENTRIES; | |
1961 | ||
05b97b30 DLR |
1962 | e->rx_pending = q->fl_size; |
1963 | e->rx_mini_pending = q->rspq_size; | |
1964 | e->rx_jumbo_pending = q->jumbo_size; | |
1965 | e->tx_pending = q->txq_size[0]; | |
4d22de3e DLR |
1966 | } |
1967 | ||
74624944 HC |
1968 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e, |
1969 | struct kernel_ethtool_ringparam *kernel_e, | |
1970 | struct netlink_ext_ack *extack) | |
4d22de3e | 1971 | { |
5fbf816f DLR |
1972 | struct port_info *pi = netdev_priv(dev); |
1973 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1974 | struct qset_params *q; |
5fbf816f | 1975 | int i; |
4d22de3e DLR |
1976 | |
1977 | if (e->rx_pending > MAX_RX_BUFFERS || | |
1978 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
1979 | e->tx_pending > MAX_TXQ_ENTRIES || | |
1980 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || | |
1981 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || | |
1982 | e->rx_pending < MIN_FL_ENTRIES || | |
1983 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
1984 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) | |
1985 | return -EINVAL; | |
1986 | ||
1987 | if (adapter->flags & FULL_INIT_DONE) | |
1988 | return -EBUSY; | |
1989 | ||
05b97b30 DLR |
1990 | q = &adapter->params.sge.qset[pi->first_qset]; |
1991 | for (i = 0; i < pi->nqsets; ++i, ++q) { | |
4d22de3e DLR |
1992 | q->rspq_size = e->rx_mini_pending; |
1993 | q->fl_size = e->rx_pending; | |
1994 | q->jumbo_size = e->rx_jumbo_pending; | |
1995 | q->txq_size[0] = e->tx_pending; | |
1996 | q->txq_size[1] = e->tx_pending; | |
1997 | q->txq_size[2] = e->tx_pending; | |
1998 | } | |
1999 | return 0; | |
2000 | } | |
2001 | ||
f3ccfda1 YM |
2002 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c, |
2003 | struct kernel_ethtool_coalesce *kernel_coal, | |
2004 | struct netlink_ext_ack *extack) | |
4d22de3e | 2005 | { |
5fbf816f DLR |
2006 | struct port_info *pi = netdev_priv(dev); |
2007 | struct adapter *adapter = pi->adapter; | |
c211c969 AB |
2008 | struct qset_params *qsp; |
2009 | struct sge_qset *qs; | |
2010 | int i; | |
4d22de3e DLR |
2011 | |
2012 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) | |
2013 | return -EINVAL; | |
2014 | ||
c211c969 AB |
2015 | for (i = 0; i < pi->nqsets; i++) { |
2016 | qsp = &adapter->params.sge.qset[i]; | |
2017 | qs = &adapter->sge.qs[i]; | |
2018 | qsp->coalesce_usecs = c->rx_coalesce_usecs; | |
2019 | t3_update_qset_coalesce(qs, qsp); | |
2020 | } | |
2021 | ||
4d22de3e DLR |
2022 | return 0; |
2023 | } | |
2024 | ||
f3ccfda1 YM |
2025 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c, |
2026 | struct kernel_ethtool_coalesce *kernel_coal, | |
2027 | struct netlink_ext_ack *extack) | |
4d22de3e | 2028 | { |
5fbf816f DLR |
2029 | struct port_info *pi = netdev_priv(dev); |
2030 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
2031 | struct qset_params *q = adapter->params.sge.qset; |
2032 | ||
2033 | c->rx_coalesce_usecs = q->coalesce_usecs; | |
2034 | return 0; | |
2035 | } | |
2036 | ||
2037 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
2038 | u8 * data) | |
2039 | { | |
5fbf816f DLR |
2040 | struct port_info *pi = netdev_priv(dev); |
2041 | struct adapter *adapter = pi->adapter; | |
48225f18 | 2042 | int cnt; |
4d22de3e DLR |
2043 | |
2044 | e->magic = EEPROM_MAGIC; | |
48225f18 HK |
2045 | cnt = pci_read_vpd(adapter->pdev, e->offset, e->len, data); |
2046 | if (cnt < 0) | |
2047 | return cnt; | |
4d22de3e | 2048 | |
48225f18 HK |
2049 | e->len = cnt; |
2050 | ||
2051 | return 0; | |
4d22de3e DLR |
2052 | } |
2053 | ||
2054 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
2055 | u8 * data) | |
2056 | { | |
5fbf816f DLR |
2057 | struct port_info *pi = netdev_priv(dev); |
2058 | struct adapter *adapter = pi->adapter; | |
05e5c116 | 2059 | u32 aligned_offset, aligned_len; |
4d22de3e | 2060 | u8 *buf; |
c54f5c24 | 2061 | int err; |
4d22de3e DLR |
2062 | |
2063 | if (eeprom->magic != EEPROM_MAGIC) | |
2064 | return -EINVAL; | |
2065 | ||
2066 | aligned_offset = eeprom->offset & ~3; | |
2067 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; | |
2068 | ||
2069 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { | |
2070 | buf = kmalloc(aligned_len, GFP_KERNEL); | |
2071 | if (!buf) | |
2072 | return -ENOMEM; | |
48225f18 HK |
2073 | err = pci_read_vpd(adapter->pdev, aligned_offset, aligned_len, |
2074 | buf); | |
2075 | if (err < 0) | |
4d22de3e DLR |
2076 | goto out; |
2077 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); | |
2078 | } else | |
2079 | buf = data; | |
2080 | ||
2081 | err = t3_seeprom_wp(adapter, 0); | |
2082 | if (err) | |
2083 | goto out; | |
2084 | ||
78b5d5c9 HK |
2085 | err = pci_write_vpd(adapter->pdev, aligned_offset, aligned_len, buf); |
2086 | if (err >= 0) | |
4d22de3e DLR |
2087 | err = t3_seeprom_wp(adapter, 1); |
2088 | out: | |
2089 | if (buf != data) | |
2090 | kfree(buf); | |
78b5d5c9 | 2091 | return err < 0 ? err : 0; |
4d22de3e DLR |
2092 | } |
2093 | ||
2094 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
2095 | { | |
2096 | wol->supported = 0; | |
2097 | wol->wolopts = 0; | |
2098 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
2099 | } | |
2100 | ||
2101 | static const struct ethtool_ops cxgb_ethtool_ops = { | |
62923b6a | 2102 | .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, |
4d22de3e DLR |
2103 | .get_drvinfo = get_drvinfo, |
2104 | .get_msglevel = get_msglevel, | |
2105 | .set_msglevel = set_msglevel, | |
2106 | .get_ringparam = get_sge_param, | |
2107 | .set_ringparam = set_sge_param, | |
2108 | .get_coalesce = get_coalesce, | |
2109 | .set_coalesce = set_coalesce, | |
2110 | .get_eeprom_len = get_eeprom_len, | |
2111 | .get_eeprom = get_eeprom, | |
2112 | .set_eeprom = set_eeprom, | |
2113 | .get_pauseparam = get_pauseparam, | |
2114 | .set_pauseparam = set_pauseparam, | |
4d22de3e DLR |
2115 | .get_link = ethtool_op_get_link, |
2116 | .get_strings = get_strings, | |
12fcf941 | 2117 | .set_phys_id = set_phys_id, |
4d22de3e | 2118 | .nway_reset = restart_autoneg, |
b9f2c044 | 2119 | .get_sset_count = get_sset_count, |
4d22de3e DLR |
2120 | .get_ethtool_stats = get_stats, |
2121 | .get_regs_len = get_regs_len, | |
2122 | .get_regs = get_regs, | |
2123 | .get_wol = get_wol, | |
b7b44fd2 PR |
2124 | .get_link_ksettings = get_link_ksettings, |
2125 | .set_link_ksettings = set_link_ksettings, | |
4d22de3e DLR |
2126 | }; |
2127 | ||
f9bff0e3 | 2128 | static int cxgb_in_range(int val, int lo, int hi) |
4d22de3e DLR |
2129 | { |
2130 | return val < 0 || (val <= hi && val >= lo); | |
2131 | } | |
2132 | ||
ebb4a911 AB |
2133 | static int cxgb_siocdevprivate(struct net_device *dev, |
2134 | struct ifreq *ifreq, | |
2135 | void __user *useraddr, | |
2136 | int cmd) | |
4d22de3e | 2137 | { |
5fbf816f DLR |
2138 | struct port_info *pi = netdev_priv(dev); |
2139 | struct adapter *adapter = pi->adapter; | |
5fbf816f | 2140 | int ret; |
4d22de3e | 2141 | |
ebb4a911 AB |
2142 | if (cmd != SIOCCHIOCTL) |
2143 | return -EOPNOTSUPP; | |
2144 | ||
4d22de3e DLR |
2145 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) |
2146 | return -EFAULT; | |
2147 | ||
2148 | switch (cmd) { | |
4d22de3e DLR |
2149 | case CHELSIO_SET_QSET_PARAMS:{ |
2150 | int i; | |
2151 | struct qset_params *q; | |
2152 | struct ch_qset_params t; | |
8c263761 DLR |
2153 | int q1 = pi->first_qset; |
2154 | int nqsets = pi->nqsets; | |
4d22de3e DLR |
2155 | |
2156 | if (!capable(CAP_NET_ADMIN)) | |
2157 | return -EPERM; | |
2158 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2159 | return -EFAULT; | |
2c05d888 WW |
2160 | if (t.cmd != CHELSIO_SET_QSET_PARAMS) |
2161 | return -EINVAL; | |
4d22de3e DLR |
2162 | if (t.qset_idx >= SGE_QSETS) |
2163 | return -EINVAL; | |
f9bff0e3 MWO |
2164 | if (!cxgb_in_range(t.intr_lat, 0, M_NEWTIMER) || |
2165 | !cxgb_in_range(t.cong_thres, 0, 255) || | |
2166 | !cxgb_in_range(t.txq_size[0], MIN_TXQ_ENTRIES, | |
8e95a202 | 2167 | MAX_TXQ_ENTRIES) || |
f9bff0e3 | 2168 | !cxgb_in_range(t.txq_size[1], MIN_TXQ_ENTRIES, |
8e95a202 | 2169 | MAX_TXQ_ENTRIES) || |
f9bff0e3 | 2170 | !cxgb_in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, |
8e95a202 | 2171 | MAX_CTRL_TXQ_ENTRIES) || |
f9bff0e3 | 2172 | !cxgb_in_range(t.fl_size[0], MIN_FL_ENTRIES, |
8e95a202 | 2173 | MAX_RX_BUFFERS) || |
f9bff0e3 | 2174 | !cxgb_in_range(t.fl_size[1], MIN_FL_ENTRIES, |
8e95a202 | 2175 | MAX_RX_JUMBO_BUFFERS) || |
f9bff0e3 | 2176 | !cxgb_in_range(t.rspq_size, MIN_RSPQ_ENTRIES, |
8e95a202 | 2177 | MAX_RSPQ_ENTRIES)) |
4d22de3e | 2178 | return -EINVAL; |
8c263761 | 2179 | |
4d22de3e DLR |
2180 | if ((adapter->flags & FULL_INIT_DONE) && |
2181 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || | |
2182 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || | |
2183 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || | |
2184 | t.polling >= 0 || t.cong_thres >= 0)) | |
2185 | return -EBUSY; | |
2186 | ||
8c263761 DLR |
2187 | /* Allow setting of any available qset when offload enabled */ |
2188 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2189 | q1 = 0; | |
2190 | for_each_port(adapter, i) { | |
2191 | pi = adap2pinfo(adapter, i); | |
2192 | nqsets += pi->first_qset + pi->nqsets; | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | if (t.qset_idx < q1) | |
2197 | return -EINVAL; | |
2198 | if (t.qset_idx > q1 + nqsets - 1) | |
2199 | return -EINVAL; | |
2200 | ||
4d22de3e DLR |
2201 | q = &adapter->params.sge.qset[t.qset_idx]; |
2202 | ||
2203 | if (t.rspq_size >= 0) | |
2204 | q->rspq_size = t.rspq_size; | |
2205 | if (t.fl_size[0] >= 0) | |
2206 | q->fl_size = t.fl_size[0]; | |
2207 | if (t.fl_size[1] >= 0) | |
2208 | q->jumbo_size = t.fl_size[1]; | |
2209 | if (t.txq_size[0] >= 0) | |
2210 | q->txq_size[0] = t.txq_size[0]; | |
2211 | if (t.txq_size[1] >= 0) | |
2212 | q->txq_size[1] = t.txq_size[1]; | |
2213 | if (t.txq_size[2] >= 0) | |
2214 | q->txq_size[2] = t.txq_size[2]; | |
2215 | if (t.cong_thres >= 0) | |
2216 | q->cong_thres = t.cong_thres; | |
2217 | if (t.intr_lat >= 0) { | |
2218 | struct sge_qset *qs = | |
2219 | &adapter->sge.qs[t.qset_idx]; | |
2220 | ||
2221 | q->coalesce_usecs = t.intr_lat; | |
2222 | t3_update_qset_coalesce(qs, q); | |
2223 | } | |
2224 | if (t.polling >= 0) { | |
2225 | if (adapter->flags & USING_MSIX) | |
2226 | q->polling = t.polling; | |
2227 | else { | |
2228 | /* No polling with INTx for T3A */ | |
2229 | if (adapter->params.rev == 0 && | |
2230 | !(adapter->flags & USING_MSI)) | |
2231 | t.polling = 0; | |
2232 | ||
2233 | for (i = 0; i < SGE_QSETS; i++) { | |
2234 | q = &adapter->params.sge. | |
2235 | qset[i]; | |
2236 | q->polling = t.polling; | |
2237 | } | |
2238 | } | |
2239 | } | |
d2fe2755 MM |
2240 | |
2241 | if (t.lro >= 0) { | |
2242 | if (t.lro) | |
2243 | dev->wanted_features |= NETIF_F_GRO; | |
2244 | else | |
2245 | dev->wanted_features &= ~NETIF_F_GRO; | |
2246 | netdev_update_features(dev); | |
2247 | } | |
04ecb072 | 2248 | |
4d22de3e DLR |
2249 | break; |
2250 | } | |
2251 | case CHELSIO_GET_QSET_PARAMS:{ | |
2252 | struct qset_params *q; | |
2253 | struct ch_qset_params t; | |
8c263761 DLR |
2254 | int q1 = pi->first_qset; |
2255 | int nqsets = pi->nqsets; | |
2256 | int i; | |
4d22de3e DLR |
2257 | |
2258 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2259 | return -EFAULT; | |
8c263761 | 2260 | |
2c05d888 WW |
2261 | if (t.cmd != CHELSIO_GET_QSET_PARAMS) |
2262 | return -EINVAL; | |
2263 | ||
8c263761 DLR |
2264 | /* Display qsets for all ports when offload enabled */ |
2265 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2266 | q1 = 0; | |
2267 | for_each_port(adapter, i) { | |
2268 | pi = adap2pinfo(adapter, i); | |
2269 | nqsets = pi->first_qset + pi->nqsets; | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | if (t.qset_idx >= nqsets) | |
4d22de3e | 2274 | return -EINVAL; |
676bcfec | 2275 | t.qset_idx = array_index_nospec(t.qset_idx, nqsets); |
4d22de3e | 2276 | |
8c263761 | 2277 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
4d22de3e DLR |
2278 | t.rspq_size = q->rspq_size; |
2279 | t.txq_size[0] = q->txq_size[0]; | |
2280 | t.txq_size[1] = q->txq_size[1]; | |
2281 | t.txq_size[2] = q->txq_size[2]; | |
2282 | t.fl_size[0] = q->fl_size; | |
2283 | t.fl_size[1] = q->jumbo_size; | |
2284 | t.polling = q->polling; | |
d2fe2755 | 2285 | t.lro = !!(dev->features & NETIF_F_GRO); |
4d22de3e DLR |
2286 | t.intr_lat = q->coalesce_usecs; |
2287 | t.cong_thres = q->cong_thres; | |
8c263761 DLR |
2288 | t.qnum = q1; |
2289 | ||
2290 | if (adapter->flags & USING_MSIX) | |
2291 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; | |
2292 | else | |
2293 | t.vector = adapter->pdev->irq; | |
4d22de3e DLR |
2294 | |
2295 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2296 | return -EFAULT; | |
2297 | break; | |
2298 | } | |
2299 | case CHELSIO_SET_QSET_NUM:{ | |
2300 | struct ch_reg edata; | |
4d22de3e DLR |
2301 | unsigned int i, first_qset = 0, other_qsets = 0; |
2302 | ||
2303 | if (!capable(CAP_NET_ADMIN)) | |
2304 | return -EPERM; | |
2305 | if (adapter->flags & FULL_INIT_DONE) | |
2306 | return -EBUSY; | |
2307 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
2308 | return -EFAULT; | |
2c05d888 WW |
2309 | if (edata.cmd != CHELSIO_SET_QSET_NUM) |
2310 | return -EINVAL; | |
4d22de3e DLR |
2311 | if (edata.val < 1 || |
2312 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) | |
2313 | return -EINVAL; | |
2314 | ||
2315 | for_each_port(adapter, i) | |
2316 | if (adapter->port[i] && adapter->port[i] != dev) | |
2317 | other_qsets += adap2pinfo(adapter, i)->nqsets; | |
2318 | ||
2319 | if (edata.val + other_qsets > SGE_QSETS) | |
2320 | return -EINVAL; | |
2321 | ||
2322 | pi->nqsets = edata.val; | |
2323 | ||
2324 | for_each_port(adapter, i) | |
2325 | if (adapter->port[i]) { | |
2326 | pi = adap2pinfo(adapter, i); | |
2327 | pi->first_qset = first_qset; | |
2328 | first_qset += pi->nqsets; | |
2329 | } | |
2330 | break; | |
2331 | } | |
2332 | case CHELSIO_GET_QSET_NUM:{ | |
2333 | struct ch_reg edata; | |
4d22de3e | 2334 | |
49c37c03 DR |
2335 | memset(&edata, 0, sizeof(struct ch_reg)); |
2336 | ||
4d22de3e DLR |
2337 | edata.cmd = CHELSIO_GET_QSET_NUM; |
2338 | edata.val = pi->nqsets; | |
2339 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
2340 | return -EFAULT; | |
2341 | break; | |
2342 | } | |
2343 | case CHELSIO_LOAD_FW:{ | |
2344 | u8 *fw_data; | |
2345 | struct ch_mem_range t; | |
2346 | ||
1b3aa7af | 2347 | if (!capable(CAP_SYS_RAWIO)) |
4d22de3e DLR |
2348 | return -EPERM; |
2349 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2350 | return -EFAULT; | |
2c05d888 WW |
2351 | if (t.cmd != CHELSIO_LOAD_FW) |
2352 | return -EINVAL; | |
1b3aa7af | 2353 | /* Check t.len sanity ? */ |
c5dc9a35 JL |
2354 | fw_data = memdup_user(useraddr + sizeof(t), t.len); |
2355 | if (IS_ERR(fw_data)) | |
2356 | return PTR_ERR(fw_data); | |
4d22de3e DLR |
2357 | |
2358 | ret = t3_load_fw(adapter, fw_data, t.len); | |
2359 | kfree(fw_data); | |
2360 | if (ret) | |
2361 | return ret; | |
2362 | break; | |
2363 | } | |
2364 | case CHELSIO_SETMTUTAB:{ | |
2365 | struct ch_mtus m; | |
2366 | int i; | |
2367 | ||
2368 | if (!is_offload(adapter)) | |
2369 | return -EOPNOTSUPP; | |
2370 | if (!capable(CAP_NET_ADMIN)) | |
2371 | return -EPERM; | |
2372 | if (offload_running(adapter)) | |
2373 | return -EBUSY; | |
2374 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2375 | return -EFAULT; | |
2c05d888 WW |
2376 | if (m.cmd != CHELSIO_SETMTUTAB) |
2377 | return -EINVAL; | |
4d22de3e DLR |
2378 | if (m.nmtus != NMTUS) |
2379 | return -EINVAL; | |
2380 | if (m.mtus[0] < 81) /* accommodate SACK */ | |
2381 | return -EINVAL; | |
2382 | ||
2383 | /* MTUs must be in ascending order */ | |
2384 | for (i = 1; i < NMTUS; ++i) | |
2385 | if (m.mtus[i] < m.mtus[i - 1]) | |
2386 | return -EINVAL; | |
2387 | ||
2388 | memcpy(adapter->params.mtus, m.mtus, | |
2389 | sizeof(adapter->params.mtus)); | |
2390 | break; | |
2391 | } | |
2392 | case CHELSIO_GET_PM:{ | |
2393 | struct tp_params *p = &adapter->params.tp; | |
2394 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; | |
2395 | ||
2396 | if (!is_offload(adapter)) | |
2397 | return -EOPNOTSUPP; | |
2398 | m.tx_pg_sz = p->tx_pg_size; | |
2399 | m.tx_num_pg = p->tx_num_pgs; | |
2400 | m.rx_pg_sz = p->rx_pg_size; | |
2401 | m.rx_num_pg = p->rx_num_pgs; | |
2402 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; | |
2403 | if (copy_to_user(useraddr, &m, sizeof(m))) | |
2404 | return -EFAULT; | |
2405 | break; | |
2406 | } | |
2407 | case CHELSIO_SET_PM:{ | |
2408 | struct ch_pm m; | |
2409 | struct tp_params *p = &adapter->params.tp; | |
2410 | ||
2411 | if (!is_offload(adapter)) | |
2412 | return -EOPNOTSUPP; | |
2413 | if (!capable(CAP_NET_ADMIN)) | |
2414 | return -EPERM; | |
2415 | if (adapter->flags & FULL_INIT_DONE) | |
2416 | return -EBUSY; | |
2417 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2418 | return -EFAULT; | |
2c05d888 WW |
2419 | if (m.cmd != CHELSIO_SET_PM) |
2420 | return -EINVAL; | |
d9da466a | 2421 | if (!is_power_of_2(m.rx_pg_sz) || |
2422 | !is_power_of_2(m.tx_pg_sz)) | |
4d22de3e DLR |
2423 | return -EINVAL; /* not power of 2 */ |
2424 | if (!(m.rx_pg_sz & 0x14000)) | |
2425 | return -EINVAL; /* not 16KB or 64KB */ | |
2426 | if (!(m.tx_pg_sz & 0x1554000)) | |
2427 | return -EINVAL; | |
2428 | if (m.tx_num_pg == -1) | |
2429 | m.tx_num_pg = p->tx_num_pgs; | |
2430 | if (m.rx_num_pg == -1) | |
2431 | m.rx_num_pg = p->rx_num_pgs; | |
2432 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) | |
2433 | return -EINVAL; | |
2434 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || | |
2435 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) | |
2436 | return -EINVAL; | |
2437 | p->rx_pg_size = m.rx_pg_sz; | |
2438 | p->tx_pg_size = m.tx_pg_sz; | |
2439 | p->rx_num_pgs = m.rx_num_pg; | |
2440 | p->tx_num_pgs = m.tx_num_pg; | |
2441 | break; | |
2442 | } | |
2443 | case CHELSIO_GET_MEM:{ | |
2444 | struct ch_mem_range t; | |
2445 | struct mc7 *mem; | |
2446 | u64 buf[32]; | |
2447 | ||
2448 | if (!is_offload(adapter)) | |
2449 | return -EOPNOTSUPP; | |
3546d8f1 ME |
2450 | if (!capable(CAP_NET_ADMIN)) |
2451 | return -EPERM; | |
4d22de3e DLR |
2452 | if (!(adapter->flags & FULL_INIT_DONE)) |
2453 | return -EIO; /* need the memory controllers */ | |
2454 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2455 | return -EFAULT; | |
2c05d888 WW |
2456 | if (t.cmd != CHELSIO_GET_MEM) |
2457 | return -EINVAL; | |
4d22de3e DLR |
2458 | if ((t.addr & 7) || (t.len & 7)) |
2459 | return -EINVAL; | |
2460 | if (t.mem_id == MEM_CM) | |
2461 | mem = &adapter->cm; | |
2462 | else if (t.mem_id == MEM_PMRX) | |
2463 | mem = &adapter->pmrx; | |
2464 | else if (t.mem_id == MEM_PMTX) | |
2465 | mem = &adapter->pmtx; | |
2466 | else | |
2467 | return -EINVAL; | |
2468 | ||
2469 | /* | |
1825494a DLR |
2470 | * Version scheme: |
2471 | * bits 0..9: chip version | |
2472 | * bits 10..15: chip revision | |
2473 | */ | |
4d22de3e DLR |
2474 | t.version = 3 | (adapter->params.rev << 10); |
2475 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2476 | return -EFAULT; | |
2477 | ||
2478 | /* | |
2479 | * Read 256 bytes at a time as len can be large and we don't | |
2480 | * want to use huge intermediate buffers. | |
2481 | */ | |
2482 | useraddr += sizeof(t); /* advance to start of buffer */ | |
2483 | while (t.len) { | |
2484 | unsigned int chunk = | |
2485 | min_t(unsigned int, t.len, sizeof(buf)); | |
2486 | ||
2487 | ret = | |
2488 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, | |
2489 | buf); | |
2490 | if (ret) | |
2491 | return ret; | |
2492 | if (copy_to_user(useraddr, buf, chunk)) | |
2493 | return -EFAULT; | |
2494 | useraddr += chunk; | |
2495 | t.addr += chunk; | |
2496 | t.len -= chunk; | |
2497 | } | |
2498 | break; | |
2499 | } | |
2500 | case CHELSIO_SET_TRACE_FILTER:{ | |
2501 | struct ch_trace t; | |
2502 | const struct trace_params *tp; | |
2503 | ||
2504 | if (!capable(CAP_NET_ADMIN)) | |
2505 | return -EPERM; | |
2506 | if (!offload_running(adapter)) | |
2507 | return -EAGAIN; | |
2508 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2509 | return -EFAULT; | |
2c05d888 WW |
2510 | if (t.cmd != CHELSIO_SET_TRACE_FILTER) |
2511 | return -EINVAL; | |
4d22de3e DLR |
2512 | |
2513 | tp = (const struct trace_params *)&t.sip; | |
2514 | if (t.config_tx) | |
2515 | t3_config_trace_filter(adapter, tp, 0, | |
2516 | t.invert_match, | |
2517 | t.trace_tx); | |
2518 | if (t.config_rx) | |
2519 | t3_config_trace_filter(adapter, tp, 1, | |
2520 | t.invert_match, | |
2521 | t.trace_rx); | |
2522 | break; | |
2523 | } | |
4d22de3e DLR |
2524 | default: |
2525 | return -EOPNOTSUPP; | |
2526 | } | |
2527 | return 0; | |
2528 | } | |
2529 | ||
2530 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
2531 | { | |
4d22de3e | 2532 | struct mii_ioctl_data *data = if_mii(req); |
5fbf816f DLR |
2533 | struct port_info *pi = netdev_priv(dev); |
2534 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
2535 | |
2536 | switch (cmd) { | |
0f07c4ee BH |
2537 | case SIOCGMIIREG: |
2538 | case SIOCSMIIREG: | |
2539 | /* Convert phy_id from older PRTAD/DEVAD format */ | |
2540 | if (is_10G(adapter) && | |
2541 | !mdio_phy_id_is_c45(data->phy_id) && | |
2542 | (data->phy_id & 0x1f00) && | |
2543 | !(data->phy_id & 0xe0e0)) | |
2544 | data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, | |
2545 | data->phy_id & 0x1f); | |
df561f66 | 2546 | fallthrough; |
0f07c4ee BH |
2547 | case SIOCGMIIPHY: |
2548 | return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); | |
4d22de3e DLR |
2549 | default: |
2550 | return -EOPNOTSUPP; | |
2551 | } | |
4d22de3e DLR |
2552 | } |
2553 | ||
2554 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) | |
2555 | { | |
4d22de3e | 2556 | struct port_info *pi = netdev_priv(dev); |
5fbf816f DLR |
2557 | struct adapter *adapter = pi->adapter; |
2558 | int ret; | |
4d22de3e | 2559 | |
4d22de3e DLR |
2560 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) |
2561 | return ret; | |
1eb2cded | 2562 | WRITE_ONCE(dev->mtu, new_mtu); |
4d22de3e DLR |
2563 | init_port_mtus(adapter); |
2564 | if (adapter->params.rev == 0 && offload_running(adapter)) | |
2565 | t3_load_mtus(adapter, adapter->params.mtus, | |
2566 | adapter->params.a_wnd, adapter->params.b_wnd, | |
2567 | adapter->port[0]->mtu); | |
2568 | return 0; | |
2569 | } | |
2570 | ||
2571 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) | |
2572 | { | |
4d22de3e | 2573 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2574 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2575 | struct sockaddr *addr = p; |
2576 | ||
2577 | if (!is_valid_ether_addr(addr->sa_data)) | |
504f9b5a | 2578 | return -EADDRNOTAVAIL; |
4d22de3e | 2579 | |
a05e4c0a | 2580 | eth_hw_addr_set(dev, addr->sa_data); |
f14d42f3 | 2581 | t3_mac_set_address(&pi->mac, LAN_MAC_IDX, dev->dev_addr); |
4d22de3e DLR |
2582 | if (offload_running(adapter)) |
2583 | write_smt_entry(adapter, pi->port_id); | |
2584 | return 0; | |
2585 | } | |
2586 | ||
c8f44aff MM |
2587 | static netdev_features_t cxgb_fix_features(struct net_device *dev, |
2588 | netdev_features_t features) | |
892ef5d8 JP |
2589 | { |
2590 | /* | |
2591 | * Since there is no support for separate rx/tx vlan accel | |
2592 | * enable/disable make sure tx flag is always in same state as rx. | |
2593 | */ | |
f646968f PM |
2594 | if (features & NETIF_F_HW_VLAN_CTAG_RX) |
2595 | features |= NETIF_F_HW_VLAN_CTAG_TX; | |
892ef5d8 | 2596 | else |
f646968f | 2597 | features &= ~NETIF_F_HW_VLAN_CTAG_TX; |
892ef5d8 JP |
2598 | |
2599 | return features; | |
2600 | } | |
2601 | ||
c8f44aff | 2602 | static int cxgb_set_features(struct net_device *dev, netdev_features_t features) |
892ef5d8 | 2603 | { |
c8f44aff | 2604 | netdev_features_t changed = dev->features ^ features; |
892ef5d8 | 2605 | |
f646968f | 2606 | if (changed & NETIF_F_HW_VLAN_CTAG_RX) |
892ef5d8 JP |
2607 | cxgb_vlan_mode(dev, features); |
2608 | ||
2609 | return 0; | |
2610 | } | |
2611 | ||
4d22de3e DLR |
2612 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2613 | static void cxgb_netpoll(struct net_device *dev) | |
2614 | { | |
890de332 | 2615 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2616 | struct adapter *adapter = pi->adapter; |
890de332 | 2617 | int qidx; |
4d22de3e | 2618 | |
890de332 DLR |
2619 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
2620 | struct sge_qset *qs = &adapter->sge.qs[qidx]; | |
2621 | void *source; | |
2eab17ab | 2622 | |
890de332 DLR |
2623 | if (adapter->flags & USING_MSIX) |
2624 | source = qs; | |
2625 | else | |
2626 | source = adapter; | |
2627 | ||
2628 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); | |
2629 | } | |
4d22de3e DLR |
2630 | } |
2631 | #endif | |
2632 | ||
2633 | /* | |
2634 | * Periodic accumulation of MAC statistics. | |
2635 | */ | |
2636 | static void mac_stats_update(struct adapter *adapter) | |
2637 | { | |
2638 | int i; | |
2639 | ||
2640 | for_each_port(adapter, i) { | |
2641 | struct net_device *dev = adapter->port[i]; | |
2642 | struct port_info *p = netdev_priv(dev); | |
2643 | ||
2644 | if (netif_running(dev)) { | |
2645 | spin_lock(&adapter->stats_lock); | |
2646 | t3_mac_update_stats(&p->mac); | |
2647 | spin_unlock(&adapter->stats_lock); | |
2648 | } | |
2649 | } | |
2650 | } | |
2651 | ||
2652 | static void check_link_status(struct adapter *adapter) | |
2653 | { | |
2654 | int i; | |
2655 | ||
2656 | for_each_port(adapter, i) { | |
2657 | struct net_device *dev = adapter->port[i]; | |
2658 | struct port_info *p = netdev_priv(dev); | |
c22c8149 | 2659 | int link_fault; |
4d22de3e | 2660 | |
bf792094 | 2661 | spin_lock_irq(&adapter->work_lock); |
c22c8149 DLR |
2662 | link_fault = p->link_fault; |
2663 | spin_unlock_irq(&adapter->work_lock); | |
2664 | ||
2665 | if (link_fault) { | |
3851c66c | 2666 | t3_link_fault(adapter, i); |
bf792094 DLR |
2667 | continue; |
2668 | } | |
bf792094 DLR |
2669 | |
2670 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { | |
2671 | t3_xgm_intr_disable(adapter, i); | |
2672 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2673 | ||
4d22de3e | 2674 | t3_link_changed(adapter, i); |
bf792094 DLR |
2675 | t3_xgm_intr_enable(adapter, i); |
2676 | } | |
4d22de3e DLR |
2677 | } |
2678 | } | |
2679 | ||
fc90664e DLR |
2680 | static void check_t3b2_mac(struct adapter *adapter) |
2681 | { | |
2682 | int i; | |
2683 | ||
f2d961c9 DLR |
2684 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
2685 | return; | |
2686 | ||
fc90664e DLR |
2687 | for_each_port(adapter, i) { |
2688 | struct net_device *dev = adapter->port[i]; | |
2689 | struct port_info *p = netdev_priv(dev); | |
2690 | int status; | |
2691 | ||
2692 | if (!netif_running(dev)) | |
2693 | continue; | |
2694 | ||
2695 | status = 0; | |
6d6dabac | 2696 | if (netif_running(dev) && netif_carrier_ok(dev)) |
fc90664e DLR |
2697 | status = t3b2_mac_watchdog_task(&p->mac); |
2698 | if (status == 1) | |
2699 | p->mac.stats.num_toggled++; | |
2700 | else if (status == 2) { | |
2701 | struct cmac *mac = &p->mac; | |
2702 | ||
2703 | t3_mac_set_mtu(mac, dev->mtu); | |
f14d42f3 | 2704 | t3_mac_set_address(mac, LAN_MAC_IDX, dev->dev_addr); |
fc90664e DLR |
2705 | cxgb_set_rxmode(dev); |
2706 | t3_link_start(&p->phy, mac, &p->link_config); | |
2707 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
2708 | t3_port_intr_enable(adapter, p->port_id); | |
2709 | p->mac.stats.num_resets++; | |
2710 | } | |
2711 | } | |
2712 | rtnl_unlock(); | |
2713 | } | |
2714 | ||
2715 | ||
4d22de3e DLR |
2716 | static void t3_adap_check_task(struct work_struct *work) |
2717 | { | |
2718 | struct adapter *adapter = container_of(work, struct adapter, | |
2719 | adap_check_task.work); | |
2720 | const struct adapter_params *p = &adapter->params; | |
fc882196 DLR |
2721 | int port; |
2722 | unsigned int v, status, reset; | |
4d22de3e DLR |
2723 | |
2724 | adapter->check_task_cnt++; | |
2725 | ||
3851c66c | 2726 | check_link_status(adapter); |
4d22de3e DLR |
2727 | |
2728 | /* Accumulate MAC stats if needed */ | |
2729 | if (!p->linkpoll_period || | |
2730 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= | |
2731 | p->stats_update_period) { | |
2732 | mac_stats_update(adapter); | |
2733 | adapter->check_task_cnt = 0; | |
2734 | } | |
2735 | ||
fc90664e DLR |
2736 | if (p->rev == T3_REV_B2) |
2737 | check_t3b2_mac(adapter); | |
2738 | ||
fc882196 DLR |
2739 | /* |
2740 | * Scan the XGMAC's to check for various conditions which we want to | |
2741 | * monitor in a periodic polling manner rather than via an interrupt | |
2742 | * condition. This is used for conditions which would otherwise flood | |
2743 | * the system with interrupts and we only really need to know that the | |
2744 | * conditions are "happening" ... For each condition we count the | |
2745 | * detection of the condition and reset it for the next polling loop. | |
2746 | */ | |
2747 | for_each_port(adapter, port) { | |
2748 | struct cmac *mac = &adap2pinfo(adapter, port)->mac; | |
2749 | u32 cause; | |
2750 | ||
2751 | cause = t3_read_reg(adapter, A_XGM_INT_CAUSE + mac->offset); | |
2752 | reset = 0; | |
2753 | if (cause & F_RXFIFO_OVERFLOW) { | |
2754 | mac->stats.rx_fifo_ovfl++; | |
2755 | reset |= F_RXFIFO_OVERFLOW; | |
2756 | } | |
2757 | ||
2758 | t3_write_reg(adapter, A_XGM_INT_CAUSE + mac->offset, reset); | |
2759 | } | |
2760 | ||
2761 | /* | |
2762 | * We do the same as above for FL_EMPTY interrupts. | |
2763 | */ | |
2764 | status = t3_read_reg(adapter, A_SG_INT_CAUSE); | |
2765 | reset = 0; | |
2766 | ||
2767 | if (status & F_FLEMPTY) { | |
2768 | struct sge_qset *qs = &adapter->sge.qs[0]; | |
2769 | int i = 0; | |
2770 | ||
2771 | reset |= F_FLEMPTY; | |
2772 | ||
2773 | v = (t3_read_reg(adapter, A_SG_RSPQ_FL_STATUS) >> S_FL0EMPTY) & | |
2774 | 0xffff; | |
2775 | ||
2776 | while (v) { | |
2777 | qs->fl[i].empty += (v & 1); | |
2778 | if (i) | |
2779 | qs++; | |
2780 | i ^= 1; | |
2781 | v >>= 1; | |
2782 | } | |
2783 | } | |
2784 | ||
2785 | t3_write_reg(adapter, A_SG_INT_CAUSE, reset); | |
2786 | ||
4d22de3e | 2787 | /* Schedule the next check update if any port is active. */ |
20d3fc11 | 2788 | spin_lock_irq(&adapter->work_lock); |
4d22de3e DLR |
2789 | if (adapter->open_device_map & PORT_MASK) |
2790 | schedule_chk_task(adapter); | |
20d3fc11 | 2791 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
2792 | } |
2793 | ||
e998f245 SW |
2794 | static void db_full_task(struct work_struct *work) |
2795 | { | |
2796 | struct adapter *adapter = container_of(work, struct adapter, | |
2797 | db_full_task); | |
2798 | ||
2799 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0); | |
2800 | } | |
2801 | ||
2802 | static void db_empty_task(struct work_struct *work) | |
2803 | { | |
2804 | struct adapter *adapter = container_of(work, struct adapter, | |
2805 | db_empty_task); | |
2806 | ||
2807 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0); | |
2808 | } | |
2809 | ||
2810 | static void db_drop_task(struct work_struct *work) | |
2811 | { | |
2812 | struct adapter *adapter = container_of(work, struct adapter, | |
2813 | db_drop_task); | |
2814 | unsigned long delay = 1000; | |
2815 | unsigned short r; | |
2816 | ||
2817 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0); | |
2818 | ||
2819 | /* | |
2820 | * Sleep a while before ringing the driver qset dbs. | |
2821 | * The delay is between 1000-2023 usecs. | |
2822 | */ | |
2823 | get_random_bytes(&r, 2); | |
2824 | delay += r & 1023; | |
2825 | set_current_state(TASK_UNINTERRUPTIBLE); | |
2826 | schedule_timeout(usecs_to_jiffies(delay)); | |
2827 | ring_dbs(adapter); | |
2828 | } | |
2829 | ||
4d22de3e DLR |
2830 | /* |
2831 | * Processes external (PHY) interrupts in process context. | |
2832 | */ | |
2833 | static void ext_intr_task(struct work_struct *work) | |
2834 | { | |
2835 | struct adapter *adapter = container_of(work, struct adapter, | |
2836 | ext_intr_handler_task); | |
bf792094 DLR |
2837 | int i; |
2838 | ||
2839 | /* Disable link fault interrupts */ | |
2840 | for_each_port(adapter, i) { | |
2841 | struct net_device *dev = adapter->port[i]; | |
2842 | struct port_info *p = netdev_priv(dev); | |
2843 | ||
2844 | t3_xgm_intr_disable(adapter, i); | |
2845 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2846 | } | |
4d22de3e | 2847 | |
bf792094 | 2848 | /* Re-enable link fault interrupts */ |
4d22de3e DLR |
2849 | t3_phy_intr_handler(adapter); |
2850 | ||
bf792094 DLR |
2851 | for_each_port(adapter, i) |
2852 | t3_xgm_intr_enable(adapter, i); | |
2853 | ||
4d22de3e DLR |
2854 | /* Now reenable external interrupts */ |
2855 | spin_lock_irq(&adapter->work_lock); | |
2856 | if (adapter->slow_intr_mask) { | |
2857 | adapter->slow_intr_mask |= F_T3DBG; | |
2858 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); | |
2859 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2860 | adapter->slow_intr_mask); | |
2861 | } | |
2862 | spin_unlock_irq(&adapter->work_lock); | |
2863 | } | |
2864 | ||
2865 | /* | |
2866 | * Interrupt-context handler for external (PHY) interrupts. | |
2867 | */ | |
2868 | void t3_os_ext_intr_handler(struct adapter *adapter) | |
2869 | { | |
2870 | /* | |
2871 | * Schedule a task to handle external interrupts as they may be slow | |
2872 | * and we use a mutex to protect MDIO registers. We disable PHY | |
2873 | * interrupts in the meantime and let the task reenable them when | |
2874 | * it's done. | |
2875 | */ | |
2876 | spin_lock(&adapter->work_lock); | |
2877 | if (adapter->slow_intr_mask) { | |
2878 | adapter->slow_intr_mask &= ~F_T3DBG; | |
2879 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2880 | adapter->slow_intr_mask); | |
2881 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); | |
2882 | } | |
2883 | spin_unlock(&adapter->work_lock); | |
2884 | } | |
2885 | ||
bf792094 DLR |
2886 | void t3_os_link_fault_handler(struct adapter *adapter, int port_id) |
2887 | { | |
2888 | struct net_device *netdev = adapter->port[port_id]; | |
2889 | struct port_info *pi = netdev_priv(netdev); | |
2890 | ||
2891 | spin_lock(&adapter->work_lock); | |
2892 | pi->link_fault = 1; | |
bf792094 DLR |
2893 | spin_unlock(&adapter->work_lock); |
2894 | } | |
2895 | ||
55bc3228 | 2896 | static int t3_adapter_error(struct adapter *adapter, int reset, int on_wq) |
20d3fc11 DLR |
2897 | { |
2898 | int i, ret = 0; | |
2899 | ||
cb0bc205 DLR |
2900 | if (is_offload(adapter) && |
2901 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
fa0d4c11 | 2902 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); |
cb0bc205 DLR |
2903 | offload_close(&adapter->tdev); |
2904 | } | |
2905 | ||
20d3fc11 DLR |
2906 | /* Stop all ports */ |
2907 | for_each_port(adapter, i) { | |
2908 | struct net_device *netdev = adapter->port[i]; | |
2909 | ||
2910 | if (netif_running(netdev)) | |
55bc3228 | 2911 | __cxgb_close(netdev, on_wq); |
20d3fc11 DLR |
2912 | } |
2913 | ||
20d3fc11 DLR |
2914 | /* Stop SGE timers */ |
2915 | t3_stop_sge_timers(adapter); | |
2916 | ||
2917 | adapter->flags &= ~FULL_INIT_DONE; | |
2918 | ||
2919 | if (reset) | |
2920 | ret = t3_reset_adapter(adapter); | |
2921 | ||
2922 | pci_disable_device(adapter->pdev); | |
2923 | ||
2924 | return ret; | |
2925 | } | |
2926 | ||
2927 | static int t3_reenable_adapter(struct adapter *adapter) | |
2928 | { | |
2929 | if (pci_enable_device(adapter->pdev)) { | |
2930 | dev_err(&adapter->pdev->dev, | |
2931 | "Cannot re-enable PCI device after reset.\n"); | |
2932 | goto err; | |
2933 | } | |
2934 | pci_set_master(adapter->pdev); | |
2935 | pci_restore_state(adapter->pdev); | |
ccdddf50 | 2936 | pci_save_state(adapter->pdev); |
20d3fc11 DLR |
2937 | |
2938 | /* Free sge resources */ | |
2939 | t3_free_sge_resources(adapter); | |
2940 | ||
2941 | if (t3_replay_prep_adapter(adapter)) | |
2942 | goto err; | |
2943 | ||
2944 | return 0; | |
2945 | err: | |
2946 | return -1; | |
2947 | } | |
2948 | ||
2949 | static void t3_resume_ports(struct adapter *adapter) | |
2950 | { | |
2951 | int i; | |
2952 | ||
2953 | /* Restart the ports */ | |
2954 | for_each_port(adapter, i) { | |
2955 | struct net_device *netdev = adapter->port[i]; | |
2956 | ||
2957 | if (netif_running(netdev)) { | |
2958 | if (cxgb_open(netdev)) { | |
2959 | dev_err(&adapter->pdev->dev, | |
2960 | "can't bring device back up" | |
2961 | " after reset\n"); | |
2962 | continue; | |
2963 | } | |
2964 | } | |
2965 | } | |
cb0bc205 DLR |
2966 | |
2967 | if (is_offload(adapter) && !ofld_disable) | |
fa0d4c11 | 2968 | cxgb3_event_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); |
20d3fc11 DLR |
2969 | } |
2970 | ||
2971 | /* | |
2972 | * processes a fatal error. | |
2973 | * Bring the ports down, reset the chip, bring the ports back up. | |
2974 | */ | |
2975 | static void fatal_error_task(struct work_struct *work) | |
2976 | { | |
2977 | struct adapter *adapter = container_of(work, struct adapter, | |
2978 | fatal_error_handler_task); | |
2979 | int err = 0; | |
2980 | ||
2981 | rtnl_lock(); | |
55bc3228 | 2982 | err = t3_adapter_error(adapter, 1, 1); |
20d3fc11 DLR |
2983 | if (!err) |
2984 | err = t3_reenable_adapter(adapter); | |
2985 | if (!err) | |
2986 | t3_resume_ports(adapter); | |
2987 | ||
2988 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); | |
2989 | rtnl_unlock(); | |
2990 | } | |
2991 | ||
4d22de3e DLR |
2992 | void t3_fatal_err(struct adapter *adapter) |
2993 | { | |
2994 | unsigned int fw_status[4]; | |
2995 | ||
2996 | if (adapter->flags & FULL_INIT_DONE) { | |
a17409e7 | 2997 | t3_sge_stop_dma(adapter); |
c64c2eae DLR |
2998 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
2999 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); | |
3000 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); | |
3001 | t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); | |
20d3fc11 DLR |
3002 | |
3003 | spin_lock(&adapter->work_lock); | |
4d22de3e | 3004 | t3_intr_disable(adapter); |
20d3fc11 DLR |
3005 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
3006 | spin_unlock(&adapter->work_lock); | |
4d22de3e DLR |
3007 | } |
3008 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); | |
3009 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) | |
3010 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", | |
3011 | fw_status[0], fw_status[1], | |
3012 | fw_status[2], fw_status[3]); | |
4d22de3e DLR |
3013 | } |
3014 | ||
91a6b50c DLR |
3015 | /** |
3016 | * t3_io_error_detected - called when PCI error is detected | |
3017 | * @pdev: Pointer to PCI device | |
3018 | * @state: The current pci connection state | |
3019 | * | |
3020 | * This function is called after a PCI bus error affecting | |
3021 | * this device has been detected. | |
3022 | */ | |
3023 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, | |
3024 | pci_channel_state_t state) | |
3025 | { | |
bc4b6b52 | 3026 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3027 | |
e8d19370 DLR |
3028 | if (state == pci_channel_io_perm_failure) |
3029 | return PCI_ERS_RESULT_DISCONNECT; | |
3030 | ||
c661c4a2 | 3031 | t3_adapter_error(adapter, 0, 0); |
91a6b50c | 3032 | |
48c4b6db | 3033 | /* Request a slot reset. */ |
91a6b50c DLR |
3034 | return PCI_ERS_RESULT_NEED_RESET; |
3035 | } | |
3036 | ||
3037 | /** | |
3038 | * t3_io_slot_reset - called after the pci bus has been reset. | |
3039 | * @pdev: Pointer to PCI device | |
3040 | * | |
3041 | * Restart the card from scratch, as if from a cold-boot. | |
3042 | */ | |
3043 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) | |
3044 | { | |
bc4b6b52 | 3045 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3046 | |
20d3fc11 DLR |
3047 | if (!t3_reenable_adapter(adapter)) |
3048 | return PCI_ERS_RESULT_RECOVERED; | |
91a6b50c | 3049 | |
48c4b6db | 3050 | return PCI_ERS_RESULT_DISCONNECT; |
91a6b50c DLR |
3051 | } |
3052 | ||
3053 | /** | |
3054 | * t3_io_resume - called when traffic can start flowing again. | |
3055 | * @pdev: Pointer to PCI device | |
3056 | * | |
3057 | * This callback is called when the error recovery driver tells us that | |
3058 | * its OK to resume normal operation. | |
3059 | */ | |
3060 | static void t3_io_resume(struct pci_dev *pdev) | |
3061 | { | |
bc4b6b52 | 3062 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 3063 | |
68f40c10 DLR |
3064 | CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", |
3065 | t3_read_reg(adapter, A_PCIE_PEX_ERR)); | |
3066 | ||
7cc47d13 | 3067 | rtnl_lock(); |
20d3fc11 | 3068 | t3_resume_ports(adapter); |
7cc47d13 | 3069 | rtnl_unlock(); |
91a6b50c DLR |
3070 | } |
3071 | ||
3646f0e5 | 3072 | static const struct pci_error_handlers t3_err_handler = { |
91a6b50c DLR |
3073 | .error_detected = t3_io_error_detected, |
3074 | .slot_reset = t3_io_slot_reset, | |
3075 | .resume = t3_io_resume, | |
3076 | }; | |
3077 | ||
8c263761 DLR |
3078 | /* |
3079 | * Set the number of qsets based on the number of CPUs and the number of ports, | |
3080 | * not to exceed the number of available qsets, assuming there are enough qsets | |
3081 | * per port in HW. | |
3082 | */ | |
3083 | static void set_nqsets(struct adapter *adap) | |
3084 | { | |
3085 | int i, j = 0; | |
dbfa6001 | 3086 | int num_cpus = netif_get_num_default_rss_queues(); |
8c263761 | 3087 | int hwports = adap->params.nports; |
5cda9364 | 3088 | int nqsets = adap->msix_nvectors - 1; |
8c263761 | 3089 | |
f9ee3882 | 3090 | if (adap->params.rev > 0 && adap->flags & USING_MSIX) { |
8c263761 DLR |
3091 | if (hwports == 2 && |
3092 | (hwports * nqsets > SGE_QSETS || | |
3093 | num_cpus >= nqsets / hwports)) | |
3094 | nqsets /= hwports; | |
3095 | if (nqsets > num_cpus) | |
3096 | nqsets = num_cpus; | |
3097 | if (nqsets < 1 || hwports == 4) | |
3098 | nqsets = 1; | |
6a8dd8b2 | 3099 | } else { |
8c263761 | 3100 | nqsets = 1; |
6a8dd8b2 | 3101 | } |
8c263761 DLR |
3102 | |
3103 | for_each_port(adap, i) { | |
3104 | struct port_info *pi = adap2pinfo(adap, i); | |
3105 | ||
3106 | pi->first_qset = j; | |
3107 | pi->nqsets = nqsets; | |
3108 | j = pi->first_qset + nqsets; | |
3109 | ||
3110 | dev_info(&adap->pdev->dev, | |
3111 | "Port %d using %d queue sets.\n", i, nqsets); | |
3112 | } | |
3113 | } | |
3114 | ||
2109eaab | 3115 | static int cxgb_enable_msix(struct adapter *adap) |
4d22de3e DLR |
3116 | { |
3117 | struct msix_entry entries[SGE_QSETS + 1]; | |
5cda9364 | 3118 | int vectors; |
fc1d0bf1 | 3119 | int i; |
4d22de3e | 3120 | |
5cda9364 DLR |
3121 | vectors = ARRAY_SIZE(entries); |
3122 | for (i = 0; i < vectors; ++i) | |
4d22de3e DLR |
3123 | entries[i].entry = i; |
3124 | ||
fc1d0bf1 AG |
3125 | vectors = pci_enable_msix_range(adap->pdev, entries, |
3126 | adap->params.nports + 1, vectors); | |
3127 | if (vectors < 0) | |
3128 | return vectors; | |
5cda9364 | 3129 | |
fc1d0bf1 AG |
3130 | for (i = 0; i < vectors; ++i) |
3131 | adap->msix_info[i].vec = entries[i].vector; | |
3132 | adap->msix_nvectors = vectors; | |
5cda9364 | 3133 | |
fc1d0bf1 | 3134 | return 0; |
4d22de3e DLR |
3135 | } |
3136 | ||
1dd06ae8 | 3137 | static void print_port_info(struct adapter *adap, const struct adapter_info *ai) |
4d22de3e DLR |
3138 | { |
3139 | static const char *pci_variant[] = { | |
3140 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" | |
3141 | }; | |
3142 | ||
3143 | int i; | |
3144 | char buf[80]; | |
3145 | ||
3146 | if (is_pcie(adap)) | |
3147 | snprintf(buf, sizeof(buf), "%s x%d", | |
3148 | pci_variant[adap->params.pci.variant], | |
3149 | adap->params.pci.width); | |
3150 | else | |
3151 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", | |
3152 | pci_variant[adap->params.pci.variant], | |
3153 | adap->params.pci.speed, adap->params.pci.width); | |
3154 | ||
3155 | for_each_port(adap, i) { | |
3156 | struct net_device *dev = adap->port[i]; | |
3157 | const struct port_info *pi = netdev_priv(dev); | |
3158 | ||
3159 | if (!test_bit(i, &adap->registered_device_map)) | |
3160 | continue; | |
428ac43f JP |
3161 | netdev_info(dev, "%s %s %sNIC (rev %d) %s%s\n", |
3162 | ai->desc, pi->phy.desc, | |
3163 | is_offload(adap) ? "R" : "", adap->params.rev, buf, | |
3164 | (adap->flags & USING_MSIX) ? " MSI-X" : | |
3165 | (adap->flags & USING_MSI) ? " MSI" : ""); | |
4d22de3e | 3166 | if (adap->name == dev->name && adap->params.vpd.mclk) |
428ac43f | 3167 | pr_info("%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", |
4d22de3e DLR |
3168 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
3169 | t3_mc7_size(&adap->pmtx) >> 20, | |
167cdf5f DLR |
3170 | t3_mc7_size(&adap->pmrx) >> 20, |
3171 | adap->params.vpd.sn); | |
4d22de3e DLR |
3172 | } |
3173 | } | |
3174 | ||
dd752696 SH |
3175 | static const struct net_device_ops cxgb_netdev_ops = { |
3176 | .ndo_open = cxgb_open, | |
3177 | .ndo_stop = cxgb_close, | |
43a944f3 | 3178 | .ndo_start_xmit = t3_eth_xmit, |
dd752696 SH |
3179 | .ndo_get_stats = cxgb_get_stats, |
3180 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3181 | .ndo_set_rx_mode = cxgb_set_rxmode, |
a7605370 | 3182 | .ndo_eth_ioctl = cxgb_ioctl, |
ebb4a911 | 3183 | .ndo_siocdevprivate = cxgb_siocdevprivate, |
dd752696 SH |
3184 | .ndo_change_mtu = cxgb_change_mtu, |
3185 | .ndo_set_mac_address = cxgb_set_mac_addr, | |
892ef5d8 JP |
3186 | .ndo_fix_features = cxgb_fix_features, |
3187 | .ndo_set_features = cxgb_set_features, | |
dd752696 SH |
3188 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3189 | .ndo_poll_controller = cxgb_netpoll, | |
3190 | #endif | |
3191 | }; | |
3192 | ||
2109eaab | 3193 | static void cxgb3_init_iscsi_mac(struct net_device *dev) |
f14d42f3 KX |
3194 | { |
3195 | struct port_info *pi = netdev_priv(dev); | |
3196 | ||
3197 | memcpy(pi->iscsic.mac_addr, dev->dev_addr, ETH_ALEN); | |
3198 | pi->iscsic.mac_addr[3] |= 0x80; | |
3199 | } | |
3200 | ||
1d962ecf | 3201 | #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) |
3202 | #define VLAN_FEAT (NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \ | |
3203 | NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) | |
1dd06ae8 | 3204 | static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
4d22de3e | 3205 | { |
544bdad0 | 3206 | int i, err; |
68f40c10 | 3207 | resource_size_t mmio_start, mmio_len; |
4d22de3e DLR |
3208 | const struct adapter_info *ai; |
3209 | struct adapter *adapter = NULL; | |
3210 | struct port_info *pi; | |
3211 | ||
4d22de3e DLR |
3212 | if (!cxgb3_wq) { |
3213 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); | |
3214 | if (!cxgb3_wq) { | |
428ac43f | 3215 | pr_err("cannot initialize work queue\n"); |
4d22de3e DLR |
3216 | return -ENOMEM; |
3217 | } | |
3218 | } | |
3219 | ||
7aaaaa1e | 3220 | err = pci_enable_device(pdev); |
4d22de3e | 3221 | if (err) { |
7aaaaa1e KV |
3222 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
3223 | goto out; | |
4d22de3e DLR |
3224 | } |
3225 | ||
7aaaaa1e | 3226 | err = pci_request_regions(pdev, DRV_NAME); |
4d22de3e | 3227 | if (err) { |
7aaaaa1e KV |
3228 | /* Just info, some other driver may have claimed the device. */ |
3229 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); | |
3230 | goto out_disable_device; | |
4d22de3e DLR |
3231 | } |
3232 | ||
544bdad0 CJ |
3233 | err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
3234 | if (err) { | |
4d22de3e | 3235 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
7aaaaa1e | 3236 | goto out_release_regions; |
4d22de3e DLR |
3237 | } |
3238 | ||
3239 | pci_set_master(pdev); | |
204e2f98 | 3240 | pci_save_state(pdev); |
4d22de3e DLR |
3241 | |
3242 | mmio_start = pci_resource_start(pdev, 0); | |
3243 | mmio_len = pci_resource_len(pdev, 0); | |
3244 | ai = t3_get_adapter_info(ent->driver_data); | |
3245 | ||
3246 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); | |
3247 | if (!adapter) { | |
3248 | err = -ENOMEM; | |
7aaaaa1e | 3249 | goto out_release_regions; |
4d22de3e DLR |
3250 | } |
3251 | ||
74b793e1 DLR |
3252 | adapter->nofail_skb = |
3253 | alloc_skb(sizeof(struct cpl_set_tcb_field), GFP_KERNEL); | |
3254 | if (!adapter->nofail_skb) { | |
3255 | dev_err(&pdev->dev, "cannot allocate nofail buffer\n"); | |
3256 | err = -ENOMEM; | |
3257 | goto out_free_adapter; | |
3258 | } | |
3259 | ||
4bdc0d67 | 3260 | adapter->regs = ioremap(mmio_start, mmio_len); |
4d22de3e DLR |
3261 | if (!adapter->regs) { |
3262 | dev_err(&pdev->dev, "cannot map device registers\n"); | |
3263 | err = -ENOMEM; | |
debea2cd | 3264 | goto out_free_adapter_nofail; |
4d22de3e DLR |
3265 | } |
3266 | ||
3267 | adapter->pdev = pdev; | |
3268 | adapter->name = pci_name(pdev); | |
3269 | adapter->msg_enable = dflt_msg_enable; | |
3270 | adapter->mmio_len = mmio_len; | |
3271 | ||
3272 | mutex_init(&adapter->mdio_lock); | |
3273 | spin_lock_init(&adapter->work_lock); | |
3274 | spin_lock_init(&adapter->stats_lock); | |
3275 | ||
3276 | INIT_LIST_HEAD(&adapter->adapter_list); | |
3277 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); | |
20d3fc11 | 3278 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
e998f245 SW |
3279 | |
3280 | INIT_WORK(&adapter->db_full_task, db_full_task); | |
3281 | INIT_WORK(&adapter->db_empty_task, db_empty_task); | |
3282 | INIT_WORK(&adapter->db_drop_task, db_drop_task); | |
3283 | ||
4d22de3e DLR |
3284 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
3285 | ||
952cdf33 | 3286 | for (i = 0; i < ai->nports0 + ai->nports1; ++i) { |
4d22de3e DLR |
3287 | struct net_device *netdev; |
3288 | ||
82ad3329 | 3289 | netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS); |
4d22de3e DLR |
3290 | if (!netdev) { |
3291 | err = -ENOMEM; | |
3292 | goto out_free_dev; | |
3293 | } | |
3294 | ||
4d22de3e DLR |
3295 | SET_NETDEV_DEV(netdev, &pdev->dev); |
3296 | ||
3297 | adapter->port[i] = netdev; | |
3298 | pi = netdev_priv(netdev); | |
5fbf816f | 3299 | pi->adapter = adapter; |
4d22de3e DLR |
3300 | pi->port_id = i; |
3301 | netif_carrier_off(netdev); | |
3302 | netdev->irq = pdev->irq; | |
3303 | netdev->mem_start = mmio_start; | |
3304 | netdev->mem_end = mmio_start + mmio_len - 1; | |
d2fe2755 | 3305 | netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | |
f646968f PM |
3306 | NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX; |
3307 | netdev->features |= netdev->hw_features | | |
3308 | NETIF_F_HW_VLAN_CTAG_TX; | |
1d962ecf | 3309 | netdev->vlan_features |= netdev->features & VLAN_FEAT; |
544bdad0 CJ |
3310 | |
3311 | netdev->features |= NETIF_F_HIGHDMA; | |
4d22de3e | 3312 | |
dd752696 | 3313 | netdev->netdev_ops = &cxgb_netdev_ops; |
7ad24ea4 | 3314 | netdev->ethtool_ops = &cxgb_ethtool_ops; |
d894be57 JW |
3315 | netdev->min_mtu = 81; |
3316 | netdev->max_mtu = ETH_MAX_MTU; | |
8fc79766 | 3317 | netdev->dev_port = pi->port_id; |
4d22de3e DLR |
3318 | } |
3319 | ||
5fbf816f | 3320 | pci_set_drvdata(pdev, adapter); |
4d22de3e DLR |
3321 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
3322 | err = -ENODEV; | |
3323 | goto out_free_dev; | |
3324 | } | |
2eab17ab | 3325 | |
4d22de3e DLR |
3326 | /* |
3327 | * The card is now ready to go. If any errors occur during device | |
3328 | * registration we do not fail the whole card but rather proceed only | |
3329 | * with the ports we manage to register successfully. However we must | |
3330 | * register at least one net device. | |
3331 | */ | |
3332 | for_each_port(adapter, i) { | |
3333 | err = register_netdev(adapter->port[i]); | |
3334 | if (err) | |
3335 | dev_warn(&pdev->dev, | |
3336 | "cannot register net device %s, skipping\n", | |
3337 | adapter->port[i]->name); | |
3338 | else { | |
3339 | /* | |
3340 | * Change the name we use for messages to the name of | |
3341 | * the first successfully registered interface. | |
3342 | */ | |
3343 | if (!adapter->registered_device_map) | |
3344 | adapter->name = adapter->port[i]->name; | |
3345 | ||
3346 | __set_bit(i, &adapter->registered_device_map); | |
3347 | } | |
3348 | } | |
3349 | if (!adapter->registered_device_map) { | |
3350 | dev_err(&pdev->dev, "could not register any net devices\n"); | |
69adcb98 | 3351 | err = -ENODEV; |
4d22de3e DLR |
3352 | goto out_free_dev; |
3353 | } | |
3354 | ||
f14d42f3 KX |
3355 | for_each_port(adapter, i) |
3356 | cxgb3_init_iscsi_mac(adapter->port[i]); | |
3357 | ||
4d22de3e DLR |
3358 | /* Driver's ready. Reflect it on LEDs */ |
3359 | t3_led_ready(adapter); | |
3360 | ||
3361 | if (is_offload(adapter)) { | |
3362 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); | |
3363 | cxgb3_adapter_ofld(adapter); | |
3364 | } | |
3365 | ||
3366 | /* See what interrupts we'll be using */ | |
3367 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) | |
3368 | adapter->flags |= USING_MSIX; | |
3369 | else if (msi > 0 && pci_enable_msi(pdev) == 0) | |
3370 | adapter->flags |= USING_MSI; | |
3371 | ||
8c263761 DLR |
3372 | set_nqsets(adapter); |
3373 | ||
0ee8d33c | 3374 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
4d22de3e | 3375 | &cxgb3_attr_group); |
7c099773 ZJ |
3376 | if (err) { |
3377 | dev_err(&pdev->dev, "cannot create sysfs group\n"); | |
3378 | goto out_close_led; | |
3379 | } | |
4d22de3e DLR |
3380 | |
3381 | print_port_info(adapter, ai); | |
3382 | return 0; | |
3383 | ||
7c099773 ZJ |
3384 | out_close_led: |
3385 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, 0); | |
3386 | ||
4d22de3e DLR |
3387 | out_free_dev: |
3388 | iounmap(adapter->regs); | |
952cdf33 | 3389 | for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) |
4d22de3e DLR |
3390 | if (adapter->port[i]) |
3391 | free_netdev(adapter->port[i]); | |
3392 | ||
debea2cd CJ |
3393 | out_free_adapter_nofail: |
3394 | kfree_skb(adapter->nofail_skb); | |
3395 | ||
4d22de3e DLR |
3396 | out_free_adapter: |
3397 | kfree(adapter); | |
3398 | ||
4d22de3e DLR |
3399 | out_release_regions: |
3400 | pci_release_regions(pdev); | |
7aaaaa1e KV |
3401 | out_disable_device: |
3402 | pci_disable_device(pdev); | |
7aaaaa1e | 3403 | out: |
4d22de3e DLR |
3404 | return err; |
3405 | } | |
3406 | ||
2109eaab | 3407 | static void remove_one(struct pci_dev *pdev) |
4d22de3e | 3408 | { |
5fbf816f | 3409 | struct adapter *adapter = pci_get_drvdata(pdev); |
4d22de3e | 3410 | |
5fbf816f | 3411 | if (adapter) { |
4d22de3e | 3412 | int i; |
4d22de3e DLR |
3413 | |
3414 | t3_sge_stop(adapter); | |
0ee8d33c | 3415 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
3416 | &cxgb3_attr_group); |
3417 | ||
4d22de3e DLR |
3418 | if (is_offload(adapter)) { |
3419 | cxgb3_adapter_unofld(adapter); | |
3420 | if (test_bit(OFFLOAD_DEVMAP_BIT, | |
3421 | &adapter->open_device_map)) | |
3422 | offload_close(&adapter->tdev); | |
3423 | } | |
3424 | ||
67d92ab7 DLR |
3425 | for_each_port(adapter, i) |
3426 | if (test_bit(i, &adapter->registered_device_map)) | |
3427 | unregister_netdev(adapter->port[i]); | |
3428 | ||
0ca41c04 | 3429 | t3_stop_sge_timers(adapter); |
4d22de3e DLR |
3430 | t3_free_sge_resources(adapter); |
3431 | cxgb_disable_msi(adapter); | |
3432 | ||
4d22de3e DLR |
3433 | for_each_port(adapter, i) |
3434 | if (adapter->port[i]) | |
3435 | free_netdev(adapter->port[i]); | |
3436 | ||
3437 | iounmap(adapter->regs); | |
673eed0c | 3438 | kfree_skb(adapter->nofail_skb); |
4d22de3e DLR |
3439 | kfree(adapter); |
3440 | pci_release_regions(pdev); | |
3441 | pci_disable_device(pdev); | |
4d22de3e DLR |
3442 | } |
3443 | } | |
3444 | ||
3445 | static struct pci_driver driver = { | |
3446 | .name = DRV_NAME, | |
3447 | .id_table = cxgb3_pci_tbl, | |
3448 | .probe = init_one, | |
2109eaab | 3449 | .remove = remove_one, |
91a6b50c | 3450 | .err_handler = &t3_err_handler, |
4d22de3e DLR |
3451 | }; |
3452 | ||
3453 | static int __init cxgb3_init_module(void) | |
3454 | { | |
3455 | int ret; | |
3456 | ||
3457 | cxgb3_offload_init(); | |
3458 | ||
3459 | ret = pci_register_driver(&driver); | |
3460 | return ret; | |
3461 | } | |
3462 | ||
3463 | static void __exit cxgb3_cleanup_module(void) | |
3464 | { | |
3465 | pci_unregister_driver(&driver); | |
3466 | if (cxgb3_wq) | |
3467 | destroy_workqueue(cxgb3_wq); | |
3468 | } | |
3469 | ||
3470 | module_init(cxgb3_init_module); | |
3471 | module_exit(cxgb3_cleanup_module); |