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4d22de3e | 1 | /* |
a02d44a0 | 2 | * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. |
4d22de3e | 3 | * |
1d68e93d DLR |
4 | * This software is available to you under a choice of one of two |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
4d22de3e | 9 | * |
1d68e93d DLR |
10 | * Redistribution and use in source and binary forms, with or |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
4d22de3e | 31 | */ |
4d22de3e DLR |
32 | #include <linux/module.h> |
33 | #include <linux/moduleparam.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/dma-mapping.h> | |
37 | #include <linux/netdevice.h> | |
38 | #include <linux/etherdevice.h> | |
39 | #include <linux/if_vlan.h> | |
0f07c4ee | 40 | #include <linux/mdio.h> |
4d22de3e DLR |
41 | #include <linux/sockios.h> |
42 | #include <linux/workqueue.h> | |
43 | #include <linux/proc_fs.h> | |
44 | #include <linux/rtnetlink.h> | |
2e283962 | 45 | #include <linux/firmware.h> |
d9da466a | 46 | #include <linux/log2.h> |
4d22de3e DLR |
47 | #include <asm/uaccess.h> |
48 | ||
49 | #include "common.h" | |
50 | #include "cxgb3_ioctl.h" | |
51 | #include "regs.h" | |
52 | #include "cxgb3_offload.h" | |
53 | #include "version.h" | |
54 | ||
55 | #include "cxgb3_ctl_defs.h" | |
56 | #include "t3_cpl.h" | |
57 | #include "firmware_exports.h" | |
58 | ||
59 | enum { | |
60 | MAX_TXQ_ENTRIES = 16384, | |
61 | MAX_CTRL_TXQ_ENTRIES = 1024, | |
62 | MAX_RSPQ_ENTRIES = 16384, | |
63 | MAX_RX_BUFFERS = 16384, | |
64 | MAX_RX_JUMBO_BUFFERS = 16384, | |
65 | MIN_TXQ_ENTRIES = 4, | |
66 | MIN_CTRL_TXQ_ENTRIES = 4, | |
67 | MIN_RSPQ_ENTRIES = 32, | |
68 | MIN_FL_ENTRIES = 32 | |
69 | }; | |
70 | ||
71 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | |
72 | ||
73 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ | |
74 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
75 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
76 | ||
77 | #define EEPROM_MAGIC 0x38E2F10C | |
78 | ||
678771d6 DLR |
79 | #define CH_DEVICE(devid, idx) \ |
80 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, PCI_ANY_ID, 0, 0, idx } | |
4d22de3e DLR |
81 | |
82 | static const struct pci_device_id cxgb3_pci_tbl[] = { | |
678771d6 DLR |
83 | CH_DEVICE(0x20, 0), /* PE9000 */ |
84 | CH_DEVICE(0x21, 1), /* T302E */ | |
85 | CH_DEVICE(0x22, 2), /* T310E */ | |
86 | CH_DEVICE(0x23, 3), /* T320X */ | |
87 | CH_DEVICE(0x24, 1), /* T302X */ | |
88 | CH_DEVICE(0x25, 3), /* T320E */ | |
89 | CH_DEVICE(0x26, 2), /* T310X */ | |
90 | CH_DEVICE(0x30, 2), /* T3B10 */ | |
91 | CH_DEVICE(0x31, 3), /* T3B20 */ | |
92 | CH_DEVICE(0x32, 1), /* T3B02 */ | |
ce03aadd | 93 | CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */ |
74451424 DLR |
94 | CH_DEVICE(0x36, 3), /* S320E-CR */ |
95 | CH_DEVICE(0x37, 7), /* N320E-G2 */ | |
4d22de3e DLR |
96 | {0,} |
97 | }; | |
98 | ||
99 | MODULE_DESCRIPTION(DRV_DESC); | |
100 | MODULE_AUTHOR("Chelsio Communications"); | |
1d68e93d | 101 | MODULE_LICENSE("Dual BSD/GPL"); |
4d22de3e DLR |
102 | MODULE_VERSION(DRV_VERSION); |
103 | MODULE_DEVICE_TABLE(pci, cxgb3_pci_tbl); | |
104 | ||
105 | static int dflt_msg_enable = DFLT_MSG_ENABLE; | |
106 | ||
107 | module_param(dflt_msg_enable, int, 0644); | |
108 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T3 default message enable bitmap"); | |
109 | ||
110 | /* | |
111 | * The driver uses the best interrupt scheme available on a platform in the | |
112 | * order MSI-X, MSI, legacy pin interrupts. This parameter determines which | |
113 | * of these schemes the driver may consider as follows: | |
114 | * | |
115 | * msi = 2: choose from among all three options | |
116 | * msi = 1: only consider MSI and pin interrupts | |
117 | * msi = 0: force pin interrupts | |
118 | */ | |
119 | static int msi = 2; | |
120 | ||
121 | module_param(msi, int, 0644); | |
122 | MODULE_PARM_DESC(msi, "whether to use MSI or MSI-X"); | |
123 | ||
124 | /* | |
125 | * The driver enables offload as a default. | |
126 | * To disable it, use ofld_disable = 1. | |
127 | */ | |
128 | ||
129 | static int ofld_disable = 0; | |
130 | ||
131 | module_param(ofld_disable, int, 0644); | |
132 | MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not"); | |
133 | ||
134 | /* | |
135 | * We have work elements that we need to cancel when an interface is taken | |
136 | * down. Normally the work elements would be executed by keventd but that | |
137 | * can deadlock because of linkwatch. If our close method takes the rtnl | |
138 | * lock and linkwatch is ahead of our work elements in keventd, linkwatch | |
139 | * will block keventd as it needs the rtnl lock, and we'll deadlock waiting | |
140 | * for our work to complete. Get our own work queue to solve this. | |
141 | */ | |
142 | static struct workqueue_struct *cxgb3_wq; | |
143 | ||
144 | /** | |
145 | * link_report - show link status and link speed/duplex | |
146 | * @p: the port whose settings are to be reported | |
147 | * | |
148 | * Shows the link status, speed, and duplex of a port. | |
149 | */ | |
150 | static void link_report(struct net_device *dev) | |
151 | { | |
152 | if (!netif_carrier_ok(dev)) | |
153 | printk(KERN_INFO "%s: link down\n", dev->name); | |
154 | else { | |
155 | const char *s = "10Mbps"; | |
156 | const struct port_info *p = netdev_priv(dev); | |
157 | ||
158 | switch (p->link_config.speed) { | |
159 | case SPEED_10000: | |
160 | s = "10Gbps"; | |
161 | break; | |
162 | case SPEED_1000: | |
163 | s = "1000Mbps"; | |
164 | break; | |
165 | case SPEED_100: | |
166 | s = "100Mbps"; | |
167 | break; | |
168 | } | |
169 | ||
170 | printk(KERN_INFO "%s: link up, %s, %s-duplex\n", dev->name, s, | |
171 | p->link_config.duplex == DUPLEX_FULL ? "full" : "half"); | |
172 | } | |
173 | } | |
174 | ||
bf792094 DLR |
175 | void t3_os_link_fault(struct adapter *adap, int port_id, int state) |
176 | { | |
177 | struct net_device *dev = adap->port[port_id]; | |
178 | struct port_info *pi = netdev_priv(dev); | |
179 | ||
180 | if (state == netif_carrier_ok(dev)) | |
181 | return; | |
182 | ||
183 | if (state) { | |
184 | struct cmac *mac = &pi->mac; | |
185 | ||
186 | netif_carrier_on(dev); | |
187 | ||
188 | /* Clear local faults */ | |
189 | t3_xgm_intr_disable(adap, pi->port_id); | |
190 | t3_read_reg(adap, A_XGM_INT_STATUS + | |
191 | pi->mac.offset); | |
192 | t3_write_reg(adap, | |
193 | A_XGM_INT_CAUSE + pi->mac.offset, | |
194 | F_XGM_INT); | |
195 | ||
196 | t3_set_reg_field(adap, | |
197 | A_XGM_INT_ENABLE + | |
198 | pi->mac.offset, | |
199 | F_XGM_INT, F_XGM_INT); | |
200 | t3_xgm_intr_enable(adap, pi->port_id); | |
201 | ||
202 | t3_mac_enable(mac, MAC_DIRECTION_TX); | |
203 | } else | |
204 | netif_carrier_off(dev); | |
205 | ||
206 | link_report(dev); | |
207 | } | |
208 | ||
4d22de3e DLR |
209 | /** |
210 | * t3_os_link_changed - handle link status changes | |
211 | * @adapter: the adapter associated with the link change | |
212 | * @port_id: the port index whose limk status has changed | |
213 | * @link_stat: the new status of the link | |
214 | * @speed: the new speed setting | |
215 | * @duplex: the new duplex setting | |
216 | * @pause: the new flow-control setting | |
217 | * | |
218 | * This is the OS-dependent handler for link status changes. The OS | |
219 | * neutral handler takes care of most of the processing for these events, | |
220 | * then calls this handler for any OS-specific processing. | |
221 | */ | |
222 | void t3_os_link_changed(struct adapter *adapter, int port_id, int link_stat, | |
223 | int speed, int duplex, int pause) | |
224 | { | |
225 | struct net_device *dev = adapter->port[port_id]; | |
6d6dabac DLR |
226 | struct port_info *pi = netdev_priv(dev); |
227 | struct cmac *mac = &pi->mac; | |
4d22de3e DLR |
228 | |
229 | /* Skip changes from disabled ports. */ | |
230 | if (!netif_running(dev)) | |
231 | return; | |
232 | ||
233 | if (link_stat != netif_carrier_ok(dev)) { | |
6d6dabac | 234 | if (link_stat) { |
59cf8107 | 235 | t3_mac_enable(mac, MAC_DIRECTION_RX); |
bf792094 DLR |
236 | |
237 | /* Clear local faults */ | |
238 | t3_xgm_intr_disable(adapter, pi->port_id); | |
239 | t3_read_reg(adapter, A_XGM_INT_STATUS + | |
240 | pi->mac.offset); | |
241 | t3_write_reg(adapter, | |
242 | A_XGM_INT_CAUSE + pi->mac.offset, | |
243 | F_XGM_INT); | |
244 | ||
245 | t3_set_reg_field(adapter, | |
246 | A_XGM_INT_ENABLE + pi->mac.offset, | |
247 | F_XGM_INT, F_XGM_INT); | |
248 | t3_xgm_intr_enable(adapter, pi->port_id); | |
249 | ||
4d22de3e | 250 | netif_carrier_on(dev); |
6d6dabac | 251 | } else { |
4d22de3e | 252 | netif_carrier_off(dev); |
bf792094 DLR |
253 | |
254 | t3_xgm_intr_disable(adapter, pi->port_id); | |
255 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
256 | t3_set_reg_field(adapter, | |
257 | A_XGM_INT_ENABLE + pi->mac.offset, | |
258 | F_XGM_INT, 0); | |
259 | ||
260 | if (is_10G(adapter)) | |
261 | pi->phy.ops->power_down(&pi->phy, 1); | |
262 | ||
263 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
59cf8107 DLR |
264 | t3_mac_disable(mac, MAC_DIRECTION_RX); |
265 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
6d6dabac DLR |
266 | } |
267 | ||
4d22de3e DLR |
268 | link_report(dev); |
269 | } | |
270 | } | |
271 | ||
1e882025 DLR |
272 | /** |
273 | * t3_os_phymod_changed - handle PHY module changes | |
274 | * @phy: the PHY reporting the module change | |
275 | * @mod_type: new module type | |
276 | * | |
277 | * This is the OS-dependent handler for PHY module changes. It is | |
278 | * invoked when a PHY module is removed or inserted for any OS-specific | |
279 | * processing. | |
280 | */ | |
281 | void t3_os_phymod_changed(struct adapter *adap, int port_id) | |
282 | { | |
283 | static const char *mod_str[] = { | |
284 | NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" | |
285 | }; | |
286 | ||
287 | const struct net_device *dev = adap->port[port_id]; | |
288 | const struct port_info *pi = netdev_priv(dev); | |
289 | ||
290 | if (pi->phy.modtype == phy_modtype_none) | |
291 | printk(KERN_INFO "%s: PHY module unplugged\n", dev->name); | |
292 | else | |
293 | printk(KERN_INFO "%s: %s PHY module inserted\n", dev->name, | |
294 | mod_str[pi->phy.modtype]); | |
295 | } | |
296 | ||
4d22de3e DLR |
297 | static void cxgb_set_rxmode(struct net_device *dev) |
298 | { | |
299 | struct t3_rx_mode rm; | |
300 | struct port_info *pi = netdev_priv(dev); | |
301 | ||
302 | init_rx_mode(&rm, dev, dev->mc_list); | |
303 | t3_mac_set_rx_mode(&pi->mac, &rm); | |
304 | } | |
305 | ||
306 | /** | |
307 | * link_start - enable a port | |
308 | * @dev: the device to enable | |
309 | * | |
310 | * Performs the MAC and PHY actions needed to enable a port. | |
311 | */ | |
312 | static void link_start(struct net_device *dev) | |
313 | { | |
314 | struct t3_rx_mode rm; | |
315 | struct port_info *pi = netdev_priv(dev); | |
316 | struct cmac *mac = &pi->mac; | |
317 | ||
318 | init_rx_mode(&rm, dev, dev->mc_list); | |
319 | t3_mac_reset(mac); | |
320 | t3_mac_set_mtu(mac, dev->mtu); | |
321 | t3_mac_set_address(mac, 0, dev->dev_addr); | |
322 | t3_mac_set_rx_mode(mac, &rm); | |
323 | t3_link_start(&pi->phy, mac, &pi->link_config); | |
324 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
325 | } | |
326 | ||
327 | static inline void cxgb_disable_msi(struct adapter *adapter) | |
328 | { | |
329 | if (adapter->flags & USING_MSIX) { | |
330 | pci_disable_msix(adapter->pdev); | |
331 | adapter->flags &= ~USING_MSIX; | |
332 | } else if (adapter->flags & USING_MSI) { | |
333 | pci_disable_msi(adapter->pdev); | |
334 | adapter->flags &= ~USING_MSI; | |
335 | } | |
336 | } | |
337 | ||
338 | /* | |
339 | * Interrupt handler for asynchronous events used with MSI-X. | |
340 | */ | |
341 | static irqreturn_t t3_async_intr_handler(int irq, void *cookie) | |
342 | { | |
343 | t3_slow_intr_handler(cookie); | |
344 | return IRQ_HANDLED; | |
345 | } | |
346 | ||
347 | /* | |
348 | * Name the MSI-X interrupts. | |
349 | */ | |
350 | static void name_msix_vecs(struct adapter *adap) | |
351 | { | |
352 | int i, j, msi_idx = 1, n = sizeof(adap->msix_info[0].desc) - 1; | |
353 | ||
354 | snprintf(adap->msix_info[0].desc, n, "%s", adap->name); | |
355 | adap->msix_info[0].desc[n] = 0; | |
356 | ||
357 | for_each_port(adap, j) { | |
358 | struct net_device *d = adap->port[j]; | |
359 | const struct port_info *pi = netdev_priv(d); | |
360 | ||
361 | for (i = 0; i < pi->nqsets; i++, msi_idx++) { | |
362 | snprintf(adap->msix_info[msi_idx].desc, n, | |
8c263761 | 363 | "%s-%d", d->name, pi->first_qset + i); |
4d22de3e DLR |
364 | adap->msix_info[msi_idx].desc[n] = 0; |
365 | } | |
8c263761 | 366 | } |
4d22de3e DLR |
367 | } |
368 | ||
369 | static int request_msix_data_irqs(struct adapter *adap) | |
370 | { | |
371 | int i, j, err, qidx = 0; | |
372 | ||
373 | for_each_port(adap, i) { | |
374 | int nqsets = adap2pinfo(adap, i)->nqsets; | |
375 | ||
376 | for (j = 0; j < nqsets; ++j) { | |
377 | err = request_irq(adap->msix_info[qidx + 1].vec, | |
378 | t3_intr_handler(adap, | |
379 | adap->sge.qs[qidx]. | |
380 | rspq.polling), 0, | |
381 | adap->msix_info[qidx + 1].desc, | |
382 | &adap->sge.qs[qidx]); | |
383 | if (err) { | |
384 | while (--qidx >= 0) | |
385 | free_irq(adap->msix_info[qidx + 1].vec, | |
386 | &adap->sge.qs[qidx]); | |
387 | return err; | |
388 | } | |
389 | qidx++; | |
390 | } | |
391 | } | |
392 | return 0; | |
393 | } | |
394 | ||
8c263761 DLR |
395 | static void free_irq_resources(struct adapter *adapter) |
396 | { | |
397 | if (adapter->flags & USING_MSIX) { | |
398 | int i, n = 0; | |
399 | ||
400 | free_irq(adapter->msix_info[0].vec, adapter); | |
401 | for_each_port(adapter, i) | |
5cda9364 | 402 | n += adap2pinfo(adapter, i)->nqsets; |
8c263761 DLR |
403 | |
404 | for (i = 0; i < n; ++i) | |
405 | free_irq(adapter->msix_info[i + 1].vec, | |
406 | &adapter->sge.qs[i]); | |
407 | } else | |
408 | free_irq(adapter->pdev->irq, adapter); | |
409 | } | |
410 | ||
b881955b DLR |
411 | static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, |
412 | unsigned long n) | |
413 | { | |
414 | int attempts = 5; | |
415 | ||
416 | while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { | |
417 | if (!--attempts) | |
418 | return -ETIMEDOUT; | |
419 | msleep(10); | |
420 | } | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static int init_tp_parity(struct adapter *adap) | |
425 | { | |
426 | int i; | |
427 | struct sk_buff *skb; | |
428 | struct cpl_set_tcb_field *greq; | |
429 | unsigned long cnt = adap->sge.qs[0].rspq.offload_pkts; | |
430 | ||
431 | t3_tp_set_offload_mode(adap, 1); | |
432 | ||
433 | for (i = 0; i < 16; i++) { | |
434 | struct cpl_smt_write_req *req; | |
435 | ||
436 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
437 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); | |
438 | memset(req, 0, sizeof(*req)); | |
439 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
440 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, i)); | |
441 | req->iff = i; | |
442 | t3_mgmt_tx(adap, skb); | |
443 | } | |
444 | ||
445 | for (i = 0; i < 2048; i++) { | |
446 | struct cpl_l2t_write_req *req; | |
447 | ||
448 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
449 | req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req)); | |
450 | memset(req, 0, sizeof(*req)); | |
451 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
452 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, i)); | |
453 | req->params = htonl(V_L2T_W_IDX(i)); | |
454 | t3_mgmt_tx(adap, skb); | |
455 | } | |
456 | ||
457 | for (i = 0; i < 2048; i++) { | |
458 | struct cpl_rte_write_req *req; | |
459 | ||
460 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
461 | req = (struct cpl_rte_write_req *)__skb_put(skb, sizeof(*req)); | |
462 | memset(req, 0, sizeof(*req)); | |
463 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
464 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RTE_WRITE_REQ, i)); | |
465 | req->l2t_idx = htonl(V_L2T_W_IDX(i)); | |
466 | t3_mgmt_tx(adap, skb); | |
467 | } | |
468 | ||
469 | skb = alloc_skb(sizeof(*greq), GFP_KERNEL | __GFP_NOFAIL); | |
470 | greq = (struct cpl_set_tcb_field *)__skb_put(skb, sizeof(*greq)); | |
471 | memset(greq, 0, sizeof(*greq)); | |
472 | greq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
473 | OPCODE_TID(greq) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, 0)); | |
474 | greq->mask = cpu_to_be64(1); | |
475 | t3_mgmt_tx(adap, skb); | |
476 | ||
477 | i = await_mgmt_replies(adap, cnt, 16 + 2048 + 2048 + 1); | |
478 | t3_tp_set_offload_mode(adap, 0); | |
479 | return i; | |
480 | } | |
481 | ||
4d22de3e DLR |
482 | /** |
483 | * setup_rss - configure RSS | |
484 | * @adap: the adapter | |
485 | * | |
486 | * Sets up RSS to distribute packets to multiple receive queues. We | |
487 | * configure the RSS CPU lookup table to distribute to the number of HW | |
488 | * receive queues, and the response queue lookup table to narrow that | |
489 | * down to the response queues actually configured for each port. | |
490 | * We always configure the RSS mapping for two ports since the mapping | |
491 | * table has plenty of entries. | |
492 | */ | |
493 | static void setup_rss(struct adapter *adap) | |
494 | { | |
495 | int i; | |
496 | unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; | |
497 | unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; | |
498 | u8 cpus[SGE_QSETS + 1]; | |
499 | u16 rspq_map[RSS_TABLE_SIZE]; | |
500 | ||
501 | for (i = 0; i < SGE_QSETS; ++i) | |
502 | cpus[i] = i; | |
503 | cpus[SGE_QSETS] = 0xff; /* terminator */ | |
504 | ||
505 | for (i = 0; i < RSS_TABLE_SIZE / 2; ++i) { | |
506 | rspq_map[i] = i % nq0; | |
507 | rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; | |
508 | } | |
509 | ||
510 | t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | | |
511 | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | | |
a2604be5 | 512 | V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); |
4d22de3e DLR |
513 | } |
514 | ||
bea3348e | 515 | static void init_napi(struct adapter *adap) |
4d22de3e | 516 | { |
bea3348e | 517 | int i; |
4d22de3e | 518 | |
bea3348e SH |
519 | for (i = 0; i < SGE_QSETS; i++) { |
520 | struct sge_qset *qs = &adap->sge.qs[i]; | |
4d22de3e | 521 | |
bea3348e SH |
522 | if (qs->adap) |
523 | netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, | |
524 | 64); | |
4d22de3e | 525 | } |
48c4b6db DLR |
526 | |
527 | /* | |
528 | * netif_napi_add() can be called only once per napi_struct because it | |
529 | * adds each new napi_struct to a list. Be careful not to call it a | |
530 | * second time, e.g., during EEH recovery, by making a note of it. | |
531 | */ | |
532 | adap->flags |= NAPI_INIT; | |
4d22de3e DLR |
533 | } |
534 | ||
535 | /* | |
536 | * Wait until all NAPI handlers are descheduled. This includes the handlers of | |
537 | * both netdevices representing interfaces and the dummy ones for the extra | |
538 | * queues. | |
539 | */ | |
540 | static void quiesce_rx(struct adapter *adap) | |
541 | { | |
542 | int i; | |
4d22de3e | 543 | |
bea3348e SH |
544 | for (i = 0; i < SGE_QSETS; i++) |
545 | if (adap->sge.qs[i].adap) | |
546 | napi_disable(&adap->sge.qs[i].napi); | |
547 | } | |
4d22de3e | 548 | |
bea3348e SH |
549 | static void enable_all_napi(struct adapter *adap) |
550 | { | |
551 | int i; | |
552 | for (i = 0; i < SGE_QSETS; i++) | |
553 | if (adap->sge.qs[i].adap) | |
554 | napi_enable(&adap->sge.qs[i].napi); | |
4d22de3e DLR |
555 | } |
556 | ||
04ecb072 DLR |
557 | /** |
558 | * set_qset_lro - Turn a queue set's LRO capability on and off | |
559 | * @dev: the device the qset is attached to | |
560 | * @qset_idx: the queue set index | |
561 | * @val: the LRO switch | |
562 | * | |
563 | * Sets LRO on or off for a particular queue set. | |
564 | * the device's features flag is updated to reflect the LRO | |
565 | * capability when all queues belonging to the device are | |
566 | * in the same state. | |
567 | */ | |
568 | static void set_qset_lro(struct net_device *dev, int qset_idx, int val) | |
569 | { | |
570 | struct port_info *pi = netdev_priv(dev); | |
571 | struct adapter *adapter = pi->adapter; | |
04ecb072 DLR |
572 | |
573 | adapter->params.sge.qset[qset_idx].lro = !!val; | |
574 | adapter->sge.qs[qset_idx].lro_enabled = !!val; | |
04ecb072 DLR |
575 | } |
576 | ||
4d22de3e DLR |
577 | /** |
578 | * setup_sge_qsets - configure SGE Tx/Rx/response queues | |
579 | * @adap: the adapter | |
580 | * | |
581 | * Determines how many sets of SGE queues to use and initializes them. | |
582 | * We support multiple queue sets per port if we have MSI-X, otherwise | |
583 | * just one queue set per port. | |
584 | */ | |
585 | static int setup_sge_qsets(struct adapter *adap) | |
586 | { | |
bea3348e | 587 | int i, j, err, irq_idx = 0, qset_idx = 0; |
8ac3ba68 | 588 | unsigned int ntxq = SGE_TXQ_PER_SET; |
4d22de3e DLR |
589 | |
590 | if (adap->params.rev > 0 && !(adap->flags & USING_MSI)) | |
591 | irq_idx = -1; | |
592 | ||
593 | for_each_port(adap, i) { | |
594 | struct net_device *dev = adap->port[i]; | |
bea3348e | 595 | struct port_info *pi = netdev_priv(dev); |
4d22de3e | 596 | |
bea3348e | 597 | pi->qs = &adap->sge.qs[pi->first_qset]; |
8c263761 DLR |
598 | for (j = pi->first_qset; j < pi->first_qset + pi->nqsets; |
599 | ++j, ++qset_idx) { | |
47fd23fe | 600 | set_qset_lro(dev, qset_idx, pi->rx_offload & T3_LRO); |
4d22de3e DLR |
601 | err = t3_sge_alloc_qset(adap, qset_idx, 1, |
602 | (adap->flags & USING_MSIX) ? qset_idx + 1 : | |
603 | irq_idx, | |
82ad3329 DLR |
604 | &adap->params.sge.qset[qset_idx], ntxq, dev, |
605 | netdev_get_tx_queue(dev, j)); | |
4d22de3e DLR |
606 | if (err) { |
607 | t3_free_sge_resources(adap); | |
608 | return err; | |
609 | } | |
610 | } | |
611 | } | |
612 | ||
613 | return 0; | |
614 | } | |
615 | ||
3e5192ee | 616 | static ssize_t attr_show(struct device *d, char *buf, |
896392ef | 617 | ssize_t(*format) (struct net_device *, char *)) |
4d22de3e DLR |
618 | { |
619 | ssize_t len; | |
4d22de3e DLR |
620 | |
621 | /* Synchronize with ioctls that may shut down the device */ | |
622 | rtnl_lock(); | |
896392ef | 623 | len = (*format) (to_net_dev(d), buf); |
4d22de3e DLR |
624 | rtnl_unlock(); |
625 | return len; | |
626 | } | |
627 | ||
3e5192ee | 628 | static ssize_t attr_store(struct device *d, |
0ee8d33c | 629 | const char *buf, size_t len, |
896392ef | 630 | ssize_t(*set) (struct net_device *, unsigned int), |
4d22de3e DLR |
631 | unsigned int min_val, unsigned int max_val) |
632 | { | |
633 | char *endp; | |
634 | ssize_t ret; | |
635 | unsigned int val; | |
4d22de3e DLR |
636 | |
637 | if (!capable(CAP_NET_ADMIN)) | |
638 | return -EPERM; | |
639 | ||
640 | val = simple_strtoul(buf, &endp, 0); | |
641 | if (endp == buf || val < min_val || val > max_val) | |
642 | return -EINVAL; | |
643 | ||
644 | rtnl_lock(); | |
896392ef | 645 | ret = (*set) (to_net_dev(d), val); |
4d22de3e DLR |
646 | if (!ret) |
647 | ret = len; | |
648 | rtnl_unlock(); | |
649 | return ret; | |
650 | } | |
651 | ||
652 | #define CXGB3_SHOW(name, val_expr) \ | |
896392ef | 653 | static ssize_t format_##name(struct net_device *dev, char *buf) \ |
4d22de3e | 654 | { \ |
5fbf816f DLR |
655 | struct port_info *pi = netdev_priv(dev); \ |
656 | struct adapter *adap = pi->adapter; \ | |
4d22de3e DLR |
657 | return sprintf(buf, "%u\n", val_expr); \ |
658 | } \ | |
0ee8d33c DLR |
659 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
660 | char *buf) \ | |
4d22de3e | 661 | { \ |
3e5192ee | 662 | return attr_show(d, buf, format_##name); \ |
4d22de3e DLR |
663 | } |
664 | ||
896392ef | 665 | static ssize_t set_nfilters(struct net_device *dev, unsigned int val) |
4d22de3e | 666 | { |
5fbf816f DLR |
667 | struct port_info *pi = netdev_priv(dev); |
668 | struct adapter *adap = pi->adapter; | |
9f238486 | 669 | int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0; |
896392ef | 670 | |
4d22de3e DLR |
671 | if (adap->flags & FULL_INIT_DONE) |
672 | return -EBUSY; | |
673 | if (val && adap->params.rev == 0) | |
674 | return -EINVAL; | |
9f238486 DLR |
675 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - |
676 | min_tids) | |
4d22de3e DLR |
677 | return -EINVAL; |
678 | adap->params.mc5.nfilters = val; | |
679 | return 0; | |
680 | } | |
681 | ||
0ee8d33c DLR |
682 | static ssize_t store_nfilters(struct device *d, struct device_attribute *attr, |
683 | const char *buf, size_t len) | |
4d22de3e | 684 | { |
3e5192ee | 685 | return attr_store(d, buf, len, set_nfilters, 0, ~0); |
4d22de3e DLR |
686 | } |
687 | ||
896392ef | 688 | static ssize_t set_nservers(struct net_device *dev, unsigned int val) |
4d22de3e | 689 | { |
5fbf816f DLR |
690 | struct port_info *pi = netdev_priv(dev); |
691 | struct adapter *adap = pi->adapter; | |
896392ef | 692 | |
4d22de3e DLR |
693 | if (adap->flags & FULL_INIT_DONE) |
694 | return -EBUSY; | |
9f238486 DLR |
695 | if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters - |
696 | MC5_MIN_TIDS) | |
4d22de3e DLR |
697 | return -EINVAL; |
698 | adap->params.mc5.nservers = val; | |
699 | return 0; | |
700 | } | |
701 | ||
0ee8d33c DLR |
702 | static ssize_t store_nservers(struct device *d, struct device_attribute *attr, |
703 | const char *buf, size_t len) | |
4d22de3e | 704 | { |
3e5192ee | 705 | return attr_store(d, buf, len, set_nservers, 0, ~0); |
4d22de3e DLR |
706 | } |
707 | ||
708 | #define CXGB3_ATTR_R(name, val_expr) \ | |
709 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 710 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) |
4d22de3e DLR |
711 | |
712 | #define CXGB3_ATTR_RW(name, val_expr, store_method) \ | |
713 | CXGB3_SHOW(name, val_expr) \ | |
0ee8d33c | 714 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method) |
4d22de3e DLR |
715 | |
716 | CXGB3_ATTR_R(cam_size, t3_mc5_size(&adap->mc5)); | |
717 | CXGB3_ATTR_RW(nfilters, adap->params.mc5.nfilters, store_nfilters); | |
718 | CXGB3_ATTR_RW(nservers, adap->params.mc5.nservers, store_nservers); | |
719 | ||
720 | static struct attribute *cxgb3_attrs[] = { | |
0ee8d33c DLR |
721 | &dev_attr_cam_size.attr, |
722 | &dev_attr_nfilters.attr, | |
723 | &dev_attr_nservers.attr, | |
4d22de3e DLR |
724 | NULL |
725 | }; | |
726 | ||
727 | static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs }; | |
728 | ||
3e5192ee | 729 | static ssize_t tm_attr_show(struct device *d, |
0ee8d33c | 730 | char *buf, int sched) |
4d22de3e | 731 | { |
5fbf816f DLR |
732 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
733 | struct adapter *adap = pi->adapter; | |
4d22de3e | 734 | unsigned int v, addr, bpt, cpt; |
5fbf816f | 735 | ssize_t len; |
4d22de3e DLR |
736 | |
737 | addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2; | |
738 | rtnl_lock(); | |
739 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, addr); | |
740 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); | |
741 | if (sched & 1) | |
742 | v >>= 16; | |
743 | bpt = (v >> 8) & 0xff; | |
744 | cpt = v & 0xff; | |
745 | if (!cpt) | |
746 | len = sprintf(buf, "disabled\n"); | |
747 | else { | |
748 | v = (adap->params.vpd.cclk * 1000) / cpt; | |
749 | len = sprintf(buf, "%u Kbps\n", (v * bpt) / 125); | |
750 | } | |
751 | rtnl_unlock(); | |
752 | return len; | |
753 | } | |
754 | ||
3e5192ee | 755 | static ssize_t tm_attr_store(struct device *d, |
0ee8d33c | 756 | const char *buf, size_t len, int sched) |
4d22de3e | 757 | { |
5fbf816f DLR |
758 | struct port_info *pi = netdev_priv(to_net_dev(d)); |
759 | struct adapter *adap = pi->adapter; | |
760 | unsigned int val; | |
4d22de3e DLR |
761 | char *endp; |
762 | ssize_t ret; | |
4d22de3e DLR |
763 | |
764 | if (!capable(CAP_NET_ADMIN)) | |
765 | return -EPERM; | |
766 | ||
767 | val = simple_strtoul(buf, &endp, 0); | |
768 | if (endp == buf || val > 10000000) | |
769 | return -EINVAL; | |
770 | ||
771 | rtnl_lock(); | |
772 | ret = t3_config_sched(adap, val, sched); | |
773 | if (!ret) | |
774 | ret = len; | |
775 | rtnl_unlock(); | |
776 | return ret; | |
777 | } | |
778 | ||
779 | #define TM_ATTR(name, sched) \ | |
0ee8d33c DLR |
780 | static ssize_t show_##name(struct device *d, struct device_attribute *attr, \ |
781 | char *buf) \ | |
4d22de3e | 782 | { \ |
3e5192ee | 783 | return tm_attr_show(d, buf, sched); \ |
4d22de3e | 784 | } \ |
0ee8d33c DLR |
785 | static ssize_t store_##name(struct device *d, struct device_attribute *attr, \ |
786 | const char *buf, size_t len) \ | |
4d22de3e | 787 | { \ |
3e5192ee | 788 | return tm_attr_store(d, buf, len, sched); \ |
4d22de3e | 789 | } \ |
0ee8d33c | 790 | static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name) |
4d22de3e DLR |
791 | |
792 | TM_ATTR(sched0, 0); | |
793 | TM_ATTR(sched1, 1); | |
794 | TM_ATTR(sched2, 2); | |
795 | TM_ATTR(sched3, 3); | |
796 | TM_ATTR(sched4, 4); | |
797 | TM_ATTR(sched5, 5); | |
798 | TM_ATTR(sched6, 6); | |
799 | TM_ATTR(sched7, 7); | |
800 | ||
801 | static struct attribute *offload_attrs[] = { | |
0ee8d33c DLR |
802 | &dev_attr_sched0.attr, |
803 | &dev_attr_sched1.attr, | |
804 | &dev_attr_sched2.attr, | |
805 | &dev_attr_sched3.attr, | |
806 | &dev_attr_sched4.attr, | |
807 | &dev_attr_sched5.attr, | |
808 | &dev_attr_sched6.attr, | |
809 | &dev_attr_sched7.attr, | |
4d22de3e DLR |
810 | NULL |
811 | }; | |
812 | ||
813 | static struct attribute_group offload_attr_group = {.attrs = offload_attrs }; | |
814 | ||
815 | /* | |
816 | * Sends an sk_buff to an offload queue driver | |
817 | * after dealing with any active network taps. | |
818 | */ | |
819 | static inline int offload_tx(struct t3cdev *tdev, struct sk_buff *skb) | |
820 | { | |
821 | int ret; | |
822 | ||
823 | local_bh_disable(); | |
824 | ret = t3_offload_tx(tdev, skb); | |
825 | local_bh_enable(); | |
826 | return ret; | |
827 | } | |
828 | ||
829 | static int write_smt_entry(struct adapter *adapter, int idx) | |
830 | { | |
831 | struct cpl_smt_write_req *req; | |
832 | struct sk_buff *skb = alloc_skb(sizeof(*req), GFP_KERNEL); | |
833 | ||
834 | if (!skb) | |
835 | return -ENOMEM; | |
836 | ||
837 | req = (struct cpl_smt_write_req *)__skb_put(skb, sizeof(*req)); | |
838 | req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); | |
839 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SMT_WRITE_REQ, idx)); | |
840 | req->mtu_idx = NMTUS - 1; /* should be 0 but there's a T3 bug */ | |
841 | req->iff = idx; | |
842 | memset(req->src_mac1, 0, sizeof(req->src_mac1)); | |
843 | memcpy(req->src_mac0, adapter->port[idx]->dev_addr, ETH_ALEN); | |
844 | skb->priority = 1; | |
845 | offload_tx(&adapter->tdev, skb); | |
846 | return 0; | |
847 | } | |
848 | ||
849 | static int init_smt(struct adapter *adapter) | |
850 | { | |
851 | int i; | |
852 | ||
853 | for_each_port(adapter, i) | |
854 | write_smt_entry(adapter, i); | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static void init_port_mtus(struct adapter *adapter) | |
859 | { | |
860 | unsigned int mtus = adapter->port[0]->mtu; | |
861 | ||
862 | if (adapter->port[1]) | |
863 | mtus |= adapter->port[1]->mtu << 16; | |
864 | t3_write_reg(adapter, A_TP_MTU_PORT_TABLE, mtus); | |
865 | } | |
866 | ||
8c263761 | 867 | static int send_pktsched_cmd(struct adapter *adap, int sched, int qidx, int lo, |
14ab9892 DLR |
868 | int hi, int port) |
869 | { | |
870 | struct sk_buff *skb; | |
871 | struct mngt_pktsched_wr *req; | |
8c263761 | 872 | int ret; |
14ab9892 DLR |
873 | |
874 | skb = alloc_skb(sizeof(*req), GFP_KERNEL | __GFP_NOFAIL); | |
875 | req = (struct mngt_pktsched_wr *)skb_put(skb, sizeof(*req)); | |
876 | req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_MNGT)); | |
877 | req->mngt_opcode = FW_MNGTOPCODE_PKTSCHED_SET; | |
878 | req->sched = sched; | |
879 | req->idx = qidx; | |
880 | req->min = lo; | |
881 | req->max = hi; | |
882 | req->binding = port; | |
8c263761 DLR |
883 | ret = t3_mgmt_tx(adap, skb); |
884 | ||
885 | return ret; | |
14ab9892 DLR |
886 | } |
887 | ||
8c263761 | 888 | static int bind_qsets(struct adapter *adap) |
14ab9892 | 889 | { |
8c263761 | 890 | int i, j, err = 0; |
14ab9892 DLR |
891 | |
892 | for_each_port(adap, i) { | |
893 | const struct port_info *pi = adap2pinfo(adap, i); | |
894 | ||
8c263761 DLR |
895 | for (j = 0; j < pi->nqsets; ++j) { |
896 | int ret = send_pktsched_cmd(adap, 1, | |
897 | pi->first_qset + j, -1, | |
898 | -1, i); | |
899 | if (ret) | |
900 | err = ret; | |
901 | } | |
14ab9892 | 902 | } |
8c263761 DLR |
903 | |
904 | return err; | |
14ab9892 DLR |
905 | } |
906 | ||
851fd7bd DLR |
907 | #define FW_FNAME "cxgb3/t3fw-%d.%d.%d.bin" |
908 | #define TPSRAM_NAME "cxgb3/t3%c_psram-%d.%d.%d.bin" | |
2e283962 DLR |
909 | |
910 | static int upgrade_fw(struct adapter *adap) | |
911 | { | |
912 | int ret; | |
913 | char buf[64]; | |
914 | const struct firmware *fw; | |
915 | struct device *dev = &adap->pdev->dev; | |
916 | ||
917 | snprintf(buf, sizeof(buf), FW_FNAME, FW_VERSION_MAJOR, | |
7f672cf5 | 918 | FW_VERSION_MINOR, FW_VERSION_MICRO); |
2e283962 DLR |
919 | ret = request_firmware(&fw, buf, dev); |
920 | if (ret < 0) { | |
921 | dev_err(dev, "could not upgrade firmware: unable to load %s\n", | |
922 | buf); | |
923 | return ret; | |
924 | } | |
925 | ret = t3_load_fw(adap, fw->data, fw->size); | |
926 | release_firmware(fw); | |
47330077 DLR |
927 | |
928 | if (ret == 0) | |
929 | dev_info(dev, "successful upgrade to firmware %d.%d.%d\n", | |
930 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
931 | else | |
932 | dev_err(dev, "failed to upgrade to firmware %d.%d.%d\n", | |
933 | FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_MICRO); | |
2eab17ab | 934 | |
47330077 DLR |
935 | return ret; |
936 | } | |
937 | ||
938 | static inline char t3rev2char(struct adapter *adapter) | |
939 | { | |
940 | char rev = 0; | |
941 | ||
942 | switch(adapter->params.rev) { | |
943 | case T3_REV_B: | |
944 | case T3_REV_B2: | |
945 | rev = 'b'; | |
946 | break; | |
1aafee26 DLR |
947 | case T3_REV_C: |
948 | rev = 'c'; | |
949 | break; | |
47330077 DLR |
950 | } |
951 | return rev; | |
952 | } | |
953 | ||
9265fabf | 954 | static int update_tpsram(struct adapter *adap) |
47330077 DLR |
955 | { |
956 | const struct firmware *tpsram; | |
957 | char buf[64]; | |
958 | struct device *dev = &adap->pdev->dev; | |
959 | int ret; | |
960 | char rev; | |
2eab17ab | 961 | |
47330077 DLR |
962 | rev = t3rev2char(adap); |
963 | if (!rev) | |
964 | return 0; | |
965 | ||
966 | snprintf(buf, sizeof(buf), TPSRAM_NAME, rev, | |
967 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
968 | ||
969 | ret = request_firmware(&tpsram, buf, dev); | |
970 | if (ret < 0) { | |
971 | dev_err(dev, "could not load TP SRAM: unable to load %s\n", | |
972 | buf); | |
973 | return ret; | |
974 | } | |
2eab17ab | 975 | |
47330077 DLR |
976 | ret = t3_check_tpsram(adap, tpsram->data, tpsram->size); |
977 | if (ret) | |
2eab17ab | 978 | goto release_tpsram; |
47330077 DLR |
979 | |
980 | ret = t3_set_proto_sram(adap, tpsram->data); | |
981 | if (ret == 0) | |
982 | dev_info(dev, | |
983 | "successful update of protocol engine " | |
984 | "to %d.%d.%d\n", | |
985 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
986 | else | |
987 | dev_err(dev, "failed to update of protocol engine %d.%d.%d\n", | |
988 | TP_VERSION_MAJOR, TP_VERSION_MINOR, TP_VERSION_MICRO); | |
989 | if (ret) | |
990 | dev_err(dev, "loading protocol SRAM failed\n"); | |
991 | ||
992 | release_tpsram: | |
993 | release_firmware(tpsram); | |
2eab17ab | 994 | |
2e283962 DLR |
995 | return ret; |
996 | } | |
997 | ||
4d22de3e DLR |
998 | /** |
999 | * cxgb_up - enable the adapter | |
1000 | * @adapter: adapter being enabled | |
1001 | * | |
1002 | * Called when the first port is enabled, this function performs the | |
1003 | * actions necessary to make an adapter operational, such as completing | |
1004 | * the initialization of HW modules, and enabling interrupts. | |
1005 | * | |
1006 | * Must be called with the rtnl lock held. | |
1007 | */ | |
1008 | static int cxgb_up(struct adapter *adap) | |
1009 | { | |
c54f5c24 | 1010 | int err; |
4d22de3e DLR |
1011 | |
1012 | if (!(adap->flags & FULL_INIT_DONE)) { | |
8207befa | 1013 | err = t3_check_fw_version(adap); |
a5a3b460 | 1014 | if (err == -EINVAL) { |
2e283962 | 1015 | err = upgrade_fw(adap); |
8207befa DLR |
1016 | CH_WARN(adap, "FW upgrade to %d.%d.%d %s\n", |
1017 | FW_VERSION_MAJOR, FW_VERSION_MINOR, | |
1018 | FW_VERSION_MICRO, err ? "failed" : "succeeded"); | |
a5a3b460 | 1019 | } |
4d22de3e | 1020 | |
8207befa | 1021 | err = t3_check_tpsram_version(adap); |
47330077 DLR |
1022 | if (err == -EINVAL) { |
1023 | err = update_tpsram(adap); | |
8207befa DLR |
1024 | CH_WARN(adap, "TP upgrade to %d.%d.%d %s\n", |
1025 | TP_VERSION_MAJOR, TP_VERSION_MINOR, | |
1026 | TP_VERSION_MICRO, err ? "failed" : "succeeded"); | |
47330077 DLR |
1027 | } |
1028 | ||
20d3fc11 DLR |
1029 | /* |
1030 | * Clear interrupts now to catch errors if t3_init_hw fails. | |
1031 | * We clear them again later as initialization may trigger | |
1032 | * conditions that can interrupt. | |
1033 | */ | |
1034 | t3_intr_clear(adap); | |
1035 | ||
4d22de3e DLR |
1036 | err = t3_init_hw(adap, 0); |
1037 | if (err) | |
1038 | goto out; | |
1039 | ||
b881955b | 1040 | t3_set_reg_field(adap, A_TP_PARA_REG5, 0, F_RXDDPOFFINIT); |
6cdbd77e | 1041 | t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12)); |
bea3348e | 1042 | |
4d22de3e DLR |
1043 | err = setup_sge_qsets(adap); |
1044 | if (err) | |
1045 | goto out; | |
1046 | ||
1047 | setup_rss(adap); | |
48c4b6db DLR |
1048 | if (!(adap->flags & NAPI_INIT)) |
1049 | init_napi(adap); | |
31563789 DLR |
1050 | |
1051 | t3_start_sge_timers(adap); | |
4d22de3e DLR |
1052 | adap->flags |= FULL_INIT_DONE; |
1053 | } | |
1054 | ||
1055 | t3_intr_clear(adap); | |
1056 | ||
1057 | if (adap->flags & USING_MSIX) { | |
1058 | name_msix_vecs(adap); | |
1059 | err = request_irq(adap->msix_info[0].vec, | |
1060 | t3_async_intr_handler, 0, | |
1061 | adap->msix_info[0].desc, adap); | |
1062 | if (err) | |
1063 | goto irq_err; | |
1064 | ||
42256f57 DLR |
1065 | err = request_msix_data_irqs(adap); |
1066 | if (err) { | |
4d22de3e DLR |
1067 | free_irq(adap->msix_info[0].vec, adap); |
1068 | goto irq_err; | |
1069 | } | |
1070 | } else if ((err = request_irq(adap->pdev->irq, | |
1071 | t3_intr_handler(adap, | |
1072 | adap->sge.qs[0].rspq. | |
1073 | polling), | |
2db6346f TG |
1074 | (adap->flags & USING_MSI) ? |
1075 | 0 : IRQF_SHARED, | |
4d22de3e DLR |
1076 | adap->name, adap))) |
1077 | goto irq_err; | |
1078 | ||
bea3348e | 1079 | enable_all_napi(adap); |
4d22de3e DLR |
1080 | t3_sge_start(adap); |
1081 | t3_intr_enable(adap); | |
14ab9892 | 1082 | |
b881955b DLR |
1083 | if (adap->params.rev >= T3_REV_C && !(adap->flags & TP_PARITY_INIT) && |
1084 | is_offload(adap) && init_tp_parity(adap) == 0) | |
1085 | adap->flags |= TP_PARITY_INIT; | |
1086 | ||
1087 | if (adap->flags & TP_PARITY_INIT) { | |
1088 | t3_write_reg(adap, A_TP_INT_CAUSE, | |
1089 | F_CMCACHEPERR | F_ARPLUTPERR); | |
1090 | t3_write_reg(adap, A_TP_INT_ENABLE, 0x7fbfffff); | |
1091 | } | |
1092 | ||
8c263761 DLR |
1093 | if (!(adap->flags & QUEUES_BOUND)) { |
1094 | err = bind_qsets(adap); | |
1095 | if (err) { | |
1096 | CH_ERR(adap, "failed to bind qsets, err %d\n", err); | |
1097 | t3_intr_disable(adap); | |
1098 | free_irq_resources(adap); | |
1099 | goto out; | |
1100 | } | |
1101 | adap->flags |= QUEUES_BOUND; | |
1102 | } | |
14ab9892 | 1103 | |
4d22de3e DLR |
1104 | out: |
1105 | return err; | |
1106 | irq_err: | |
1107 | CH_ERR(adap, "request_irq failed, err %d\n", err); | |
1108 | goto out; | |
1109 | } | |
1110 | ||
1111 | /* | |
1112 | * Release resources when all the ports and offloading have been stopped. | |
1113 | */ | |
1114 | static void cxgb_down(struct adapter *adapter) | |
1115 | { | |
1116 | t3_sge_stop(adapter); | |
1117 | spin_lock_irq(&adapter->work_lock); /* sync with PHY intr task */ | |
1118 | t3_intr_disable(adapter); | |
1119 | spin_unlock_irq(&adapter->work_lock); | |
1120 | ||
8c263761 | 1121 | free_irq_resources(adapter); |
4d22de3e | 1122 | quiesce_rx(adapter); |
c80b0c28 | 1123 | flush_workqueue(cxgb3_wq); /* wait for external IRQ handler */ |
4d22de3e DLR |
1124 | } |
1125 | ||
1126 | static void schedule_chk_task(struct adapter *adap) | |
1127 | { | |
1128 | unsigned int timeo; | |
1129 | ||
1130 | timeo = adap->params.linkpoll_period ? | |
1131 | (HZ * adap->params.linkpoll_period) / 10 : | |
1132 | adap->params.stats_update_period * HZ; | |
1133 | if (timeo) | |
1134 | queue_delayed_work(cxgb3_wq, &adap->adap_check_task, timeo); | |
1135 | } | |
1136 | ||
1137 | static int offload_open(struct net_device *dev) | |
1138 | { | |
5fbf816f DLR |
1139 | struct port_info *pi = netdev_priv(dev); |
1140 | struct adapter *adapter = pi->adapter; | |
1141 | struct t3cdev *tdev = dev2t3cdev(dev); | |
4d22de3e | 1142 | int adap_up = adapter->open_device_map & PORT_MASK; |
c54f5c24 | 1143 | int err; |
4d22de3e DLR |
1144 | |
1145 | if (test_and_set_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1146 | return 0; | |
1147 | ||
1148 | if (!adap_up && (err = cxgb_up(adapter)) < 0) | |
48c4b6db | 1149 | goto out; |
4d22de3e DLR |
1150 | |
1151 | t3_tp_set_offload_mode(adapter, 1); | |
1152 | tdev->lldev = adapter->port[0]; | |
1153 | err = cxgb3_offload_activate(adapter); | |
1154 | if (err) | |
1155 | goto out; | |
1156 | ||
1157 | init_port_mtus(adapter); | |
1158 | t3_load_mtus(adapter, adapter->params.mtus, adapter->params.a_wnd, | |
1159 | adapter->params.b_wnd, | |
1160 | adapter->params.rev == 0 ? | |
1161 | adapter->port[0]->mtu : 0xffff); | |
1162 | init_smt(adapter); | |
1163 | ||
d96a51f6 DN |
1164 | if (sysfs_create_group(&tdev->lldev->dev.kobj, &offload_attr_group)) |
1165 | dev_dbg(&dev->dev, "cannot create sysfs group\n"); | |
4d22de3e DLR |
1166 | |
1167 | /* Call back all registered clients */ | |
1168 | cxgb3_add_clients(tdev); | |
1169 | ||
1170 | out: | |
1171 | /* restore them in case the offload module has changed them */ | |
1172 | if (err) { | |
1173 | t3_tp_set_offload_mode(adapter, 0); | |
1174 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1175 | cxgb3_set_dummy_ops(tdev); | |
1176 | } | |
1177 | return err; | |
1178 | } | |
1179 | ||
1180 | static int offload_close(struct t3cdev *tdev) | |
1181 | { | |
1182 | struct adapter *adapter = tdev2adap(tdev); | |
1183 | ||
1184 | if (!test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) | |
1185 | return 0; | |
1186 | ||
1187 | /* Call back all registered clients */ | |
1188 | cxgb3_remove_clients(tdev); | |
1189 | ||
0ee8d33c | 1190 | sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group); |
4d22de3e | 1191 | |
c80b0c28 DLR |
1192 | /* Flush work scheduled while releasing TIDs */ |
1193 | flush_scheduled_work(); | |
1194 | ||
4d22de3e DLR |
1195 | tdev->lldev = NULL; |
1196 | cxgb3_set_dummy_ops(tdev); | |
1197 | t3_tp_set_offload_mode(adapter, 0); | |
1198 | clear_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map); | |
1199 | ||
1200 | if (!adapter->open_device_map) | |
1201 | cxgb_down(adapter); | |
1202 | ||
1203 | cxgb3_offload_deactivate(adapter); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | static int cxgb_open(struct net_device *dev) | |
1208 | { | |
4d22de3e | 1209 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1210 | struct adapter *adapter = pi->adapter; |
4d22de3e | 1211 | int other_ports = adapter->open_device_map & PORT_MASK; |
5fbf816f | 1212 | int err; |
4d22de3e | 1213 | |
48c4b6db | 1214 | if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) |
4d22de3e DLR |
1215 | return err; |
1216 | ||
1217 | set_bit(pi->port_id, &adapter->open_device_map); | |
8ac3ba68 | 1218 | if (is_offload(adapter) && !ofld_disable) { |
4d22de3e DLR |
1219 | err = offload_open(dev); |
1220 | if (err) | |
1221 | printk(KERN_WARNING | |
1222 | "Could not initialize offload capabilities\n"); | |
1223 | } | |
1224 | ||
82ad3329 | 1225 | dev->real_num_tx_queues = pi->nqsets; |
4d22de3e DLR |
1226 | link_start(dev); |
1227 | t3_port_intr_enable(adapter, pi->port_id); | |
82ad3329 | 1228 | netif_tx_start_all_queues(dev); |
4d22de3e DLR |
1229 | if (!other_ports) |
1230 | schedule_chk_task(adapter); | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | static int cxgb_close(struct net_device *dev) | |
1236 | { | |
5fbf816f DLR |
1237 | struct port_info *pi = netdev_priv(dev); |
1238 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1239 | |
e8d19370 DLR |
1240 | |
1241 | if (!adapter->open_device_map) | |
1242 | return 0; | |
1243 | ||
bf792094 DLR |
1244 | /* Stop link fault interrupts */ |
1245 | t3_xgm_intr_disable(adapter, pi->port_id); | |
1246 | t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset); | |
1247 | ||
5fbf816f | 1248 | t3_port_intr_disable(adapter, pi->port_id); |
82ad3329 | 1249 | netif_tx_stop_all_queues(dev); |
5fbf816f | 1250 | pi->phy.ops->power_down(&pi->phy, 1); |
4d22de3e | 1251 | netif_carrier_off(dev); |
5fbf816f | 1252 | t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX); |
4d22de3e | 1253 | |
20d3fc11 | 1254 | spin_lock_irq(&adapter->work_lock); /* sync with update task */ |
5fbf816f | 1255 | clear_bit(pi->port_id, &adapter->open_device_map); |
20d3fc11 | 1256 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
1257 | |
1258 | if (!(adapter->open_device_map & PORT_MASK)) | |
c80b0c28 | 1259 | cancel_delayed_work_sync(&adapter->adap_check_task); |
4d22de3e DLR |
1260 | |
1261 | if (!adapter->open_device_map) | |
1262 | cxgb_down(adapter); | |
1263 | ||
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | static struct net_device_stats *cxgb_get_stats(struct net_device *dev) | |
1268 | { | |
5fbf816f DLR |
1269 | struct port_info *pi = netdev_priv(dev); |
1270 | struct adapter *adapter = pi->adapter; | |
1271 | struct net_device_stats *ns = &pi->netstats; | |
4d22de3e DLR |
1272 | const struct mac_stats *pstats; |
1273 | ||
1274 | spin_lock(&adapter->stats_lock); | |
5fbf816f | 1275 | pstats = t3_mac_update_stats(&pi->mac); |
4d22de3e DLR |
1276 | spin_unlock(&adapter->stats_lock); |
1277 | ||
1278 | ns->tx_bytes = pstats->tx_octets; | |
1279 | ns->tx_packets = pstats->tx_frames; | |
1280 | ns->rx_bytes = pstats->rx_octets; | |
1281 | ns->rx_packets = pstats->rx_frames; | |
1282 | ns->multicast = pstats->rx_mcast_frames; | |
1283 | ||
1284 | ns->tx_errors = pstats->tx_underrun; | |
1285 | ns->rx_errors = pstats->rx_symbol_errs + pstats->rx_fcs_errs + | |
1286 | pstats->rx_too_long + pstats->rx_jabber + pstats->rx_short + | |
1287 | pstats->rx_fifo_ovfl; | |
1288 | ||
1289 | /* detailed rx_errors */ | |
1290 | ns->rx_length_errors = pstats->rx_jabber + pstats->rx_too_long; | |
1291 | ns->rx_over_errors = 0; | |
1292 | ns->rx_crc_errors = pstats->rx_fcs_errs; | |
1293 | ns->rx_frame_errors = pstats->rx_symbol_errs; | |
1294 | ns->rx_fifo_errors = pstats->rx_fifo_ovfl; | |
1295 | ns->rx_missed_errors = pstats->rx_cong_drops; | |
1296 | ||
1297 | /* detailed tx_errors */ | |
1298 | ns->tx_aborted_errors = 0; | |
1299 | ns->tx_carrier_errors = 0; | |
1300 | ns->tx_fifo_errors = pstats->tx_underrun; | |
1301 | ns->tx_heartbeat_errors = 0; | |
1302 | ns->tx_window_errors = 0; | |
1303 | return ns; | |
1304 | } | |
1305 | ||
1306 | static u32 get_msglevel(struct net_device *dev) | |
1307 | { | |
5fbf816f DLR |
1308 | struct port_info *pi = netdev_priv(dev); |
1309 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1310 | |
1311 | return adapter->msg_enable; | |
1312 | } | |
1313 | ||
1314 | static void set_msglevel(struct net_device *dev, u32 val) | |
1315 | { | |
5fbf816f DLR |
1316 | struct port_info *pi = netdev_priv(dev); |
1317 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1318 | |
1319 | adapter->msg_enable = val; | |
1320 | } | |
1321 | ||
1322 | static char stats_strings[][ETH_GSTRING_LEN] = { | |
1323 | "TxOctetsOK ", | |
1324 | "TxFramesOK ", | |
1325 | "TxMulticastFramesOK", | |
1326 | "TxBroadcastFramesOK", | |
1327 | "TxPauseFrames ", | |
1328 | "TxUnderrun ", | |
1329 | "TxExtUnderrun ", | |
1330 | ||
1331 | "TxFrames64 ", | |
1332 | "TxFrames65To127 ", | |
1333 | "TxFrames128To255 ", | |
1334 | "TxFrames256To511 ", | |
1335 | "TxFrames512To1023 ", | |
1336 | "TxFrames1024To1518 ", | |
1337 | "TxFrames1519ToMax ", | |
1338 | ||
1339 | "RxOctetsOK ", | |
1340 | "RxFramesOK ", | |
1341 | "RxMulticastFramesOK", | |
1342 | "RxBroadcastFramesOK", | |
1343 | "RxPauseFrames ", | |
1344 | "RxFCSErrors ", | |
1345 | "RxSymbolErrors ", | |
1346 | "RxShortErrors ", | |
1347 | "RxJabberErrors ", | |
1348 | "RxLengthErrors ", | |
1349 | "RxFIFOoverflow ", | |
1350 | ||
1351 | "RxFrames64 ", | |
1352 | "RxFrames65To127 ", | |
1353 | "RxFrames128To255 ", | |
1354 | "RxFrames256To511 ", | |
1355 | "RxFrames512To1023 ", | |
1356 | "RxFrames1024To1518 ", | |
1357 | "RxFrames1519ToMax ", | |
1358 | ||
1359 | "PhyFIFOErrors ", | |
1360 | "TSO ", | |
1361 | "VLANextractions ", | |
1362 | "VLANinsertions ", | |
1363 | "TxCsumOffload ", | |
1364 | "RxCsumGood ", | |
b47385bd DLR |
1365 | "LroAggregated ", |
1366 | "LroFlushed ", | |
1367 | "LroNoDesc ", | |
fc90664e DLR |
1368 | "RxDrops ", |
1369 | ||
1370 | "CheckTXEnToggled ", | |
1371 | "CheckResets ", | |
1372 | ||
bf792094 | 1373 | "LinkFaults ", |
4d22de3e DLR |
1374 | }; |
1375 | ||
b9f2c044 | 1376 | static int get_sset_count(struct net_device *dev, int sset) |
4d22de3e | 1377 | { |
b9f2c044 JG |
1378 | switch (sset) { |
1379 | case ETH_SS_STATS: | |
1380 | return ARRAY_SIZE(stats_strings); | |
1381 | default: | |
1382 | return -EOPNOTSUPP; | |
1383 | } | |
4d22de3e DLR |
1384 | } |
1385 | ||
1386 | #define T3_REGMAP_SIZE (3 * 1024) | |
1387 | ||
1388 | static int get_regs_len(struct net_device *dev) | |
1389 | { | |
1390 | return T3_REGMAP_SIZE; | |
1391 | } | |
1392 | ||
1393 | static int get_eeprom_len(struct net_device *dev) | |
1394 | { | |
1395 | return EEPROMSIZE; | |
1396 | } | |
1397 | ||
1398 | static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) | |
1399 | { | |
5fbf816f DLR |
1400 | struct port_info *pi = netdev_priv(dev); |
1401 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1402 | u32 fw_vers = 0; |
47330077 | 1403 | u32 tp_vers = 0; |
4d22de3e | 1404 | |
cf3760da | 1405 | spin_lock(&adapter->stats_lock); |
4d22de3e | 1406 | t3_get_fw_version(adapter, &fw_vers); |
47330077 | 1407 | t3_get_tp_version(adapter, &tp_vers); |
cf3760da | 1408 | spin_unlock(&adapter->stats_lock); |
4d22de3e DLR |
1409 | |
1410 | strcpy(info->driver, DRV_NAME); | |
1411 | strcpy(info->version, DRV_VERSION); | |
1412 | strcpy(info->bus_info, pci_name(adapter->pdev)); | |
1413 | if (!fw_vers) | |
1414 | strcpy(info->fw_version, "N/A"); | |
4aac3899 | 1415 | else { |
4d22de3e | 1416 | snprintf(info->fw_version, sizeof(info->fw_version), |
47330077 | 1417 | "%s %u.%u.%u TP %u.%u.%u", |
4aac3899 DLR |
1418 | G_FW_VERSION_TYPE(fw_vers) ? "T" : "N", |
1419 | G_FW_VERSION_MAJOR(fw_vers), | |
1420 | G_FW_VERSION_MINOR(fw_vers), | |
47330077 DLR |
1421 | G_FW_VERSION_MICRO(fw_vers), |
1422 | G_TP_VERSION_MAJOR(tp_vers), | |
1423 | G_TP_VERSION_MINOR(tp_vers), | |
1424 | G_TP_VERSION_MICRO(tp_vers)); | |
4aac3899 | 1425 | } |
4d22de3e DLR |
1426 | } |
1427 | ||
1428 | static void get_strings(struct net_device *dev, u32 stringset, u8 * data) | |
1429 | { | |
1430 | if (stringset == ETH_SS_STATS) | |
1431 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
1432 | } | |
1433 | ||
1434 | static unsigned long collect_sge_port_stats(struct adapter *adapter, | |
1435 | struct port_info *p, int idx) | |
1436 | { | |
1437 | int i; | |
1438 | unsigned long tot = 0; | |
1439 | ||
8c263761 DLR |
1440 | for (i = p->first_qset; i < p->first_qset + p->nqsets; ++i) |
1441 | tot += adapter->sge.qs[i].port_stats[idx]; | |
4d22de3e DLR |
1442 | return tot; |
1443 | } | |
1444 | ||
1445 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
1446 | u64 *data) | |
1447 | { | |
4d22de3e | 1448 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 1449 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
1450 | const struct mac_stats *s; |
1451 | ||
1452 | spin_lock(&adapter->stats_lock); | |
1453 | s = t3_mac_update_stats(&pi->mac); | |
1454 | spin_unlock(&adapter->stats_lock); | |
1455 | ||
1456 | *data++ = s->tx_octets; | |
1457 | *data++ = s->tx_frames; | |
1458 | *data++ = s->tx_mcast_frames; | |
1459 | *data++ = s->tx_bcast_frames; | |
1460 | *data++ = s->tx_pause; | |
1461 | *data++ = s->tx_underrun; | |
1462 | *data++ = s->tx_fifo_urun; | |
1463 | ||
1464 | *data++ = s->tx_frames_64; | |
1465 | *data++ = s->tx_frames_65_127; | |
1466 | *data++ = s->tx_frames_128_255; | |
1467 | *data++ = s->tx_frames_256_511; | |
1468 | *data++ = s->tx_frames_512_1023; | |
1469 | *data++ = s->tx_frames_1024_1518; | |
1470 | *data++ = s->tx_frames_1519_max; | |
1471 | ||
1472 | *data++ = s->rx_octets; | |
1473 | *data++ = s->rx_frames; | |
1474 | *data++ = s->rx_mcast_frames; | |
1475 | *data++ = s->rx_bcast_frames; | |
1476 | *data++ = s->rx_pause; | |
1477 | *data++ = s->rx_fcs_errs; | |
1478 | *data++ = s->rx_symbol_errs; | |
1479 | *data++ = s->rx_short; | |
1480 | *data++ = s->rx_jabber; | |
1481 | *data++ = s->rx_too_long; | |
1482 | *data++ = s->rx_fifo_ovfl; | |
1483 | ||
1484 | *data++ = s->rx_frames_64; | |
1485 | *data++ = s->rx_frames_65_127; | |
1486 | *data++ = s->rx_frames_128_255; | |
1487 | *data++ = s->rx_frames_256_511; | |
1488 | *data++ = s->rx_frames_512_1023; | |
1489 | *data++ = s->rx_frames_1024_1518; | |
1490 | *data++ = s->rx_frames_1519_max; | |
1491 | ||
1492 | *data++ = pi->phy.fifo_errors; | |
1493 | ||
1494 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TSO); | |
1495 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANEX); | |
1496 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS); | |
1497 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM); | |
1498 | *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD); | |
7be2df45 HX |
1499 | *data++ = 0; |
1500 | *data++ = 0; | |
1501 | *data++ = 0; | |
4d22de3e | 1502 | *data++ = s->rx_cong_drops; |
fc90664e DLR |
1503 | |
1504 | *data++ = s->num_toggled; | |
1505 | *data++ = s->num_resets; | |
bf792094 DLR |
1506 | |
1507 | *data++ = s->link_faults; | |
4d22de3e DLR |
1508 | } |
1509 | ||
1510 | static inline void reg_block_dump(struct adapter *ap, void *buf, | |
1511 | unsigned int start, unsigned int end) | |
1512 | { | |
1513 | u32 *p = buf + start; | |
1514 | ||
1515 | for (; start <= end; start += sizeof(u32)) | |
1516 | *p++ = t3_read_reg(ap, start); | |
1517 | } | |
1518 | ||
1519 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, | |
1520 | void *buf) | |
1521 | { | |
5fbf816f DLR |
1522 | struct port_info *pi = netdev_priv(dev); |
1523 | struct adapter *ap = pi->adapter; | |
4d22de3e DLR |
1524 | |
1525 | /* | |
1526 | * Version scheme: | |
1527 | * bits 0..9: chip version | |
1528 | * bits 10..15: chip revision | |
1529 | * bit 31: set for PCIe cards | |
1530 | */ | |
1531 | regs->version = 3 | (ap->params.rev << 10) | (is_pcie(ap) << 31); | |
1532 | ||
1533 | /* | |
1534 | * We skip the MAC statistics registers because they are clear-on-read. | |
1535 | * Also reading multi-register stats would need to synchronize with the | |
1536 | * periodic mac stats accumulation. Hard to justify the complexity. | |
1537 | */ | |
1538 | memset(buf, 0, T3_REGMAP_SIZE); | |
1539 | reg_block_dump(ap, buf, 0, A_SG_RSPQ_CREDIT_RETURN); | |
1540 | reg_block_dump(ap, buf, A_SG_HI_DRB_HI_THRSH, A_ULPRX_PBL_ULIMIT); | |
1541 | reg_block_dump(ap, buf, A_ULPTX_CONFIG, A_MPS_INT_CAUSE); | |
1542 | reg_block_dump(ap, buf, A_CPL_SWITCH_CNTRL, A_CPL_MAP_TBL_DATA); | |
1543 | reg_block_dump(ap, buf, A_SMB_GLOBAL_TIME_CFG, A_XGM_SERDES_STAT3); | |
1544 | reg_block_dump(ap, buf, A_XGM_SERDES_STATUS0, | |
1545 | XGM_REG(A_XGM_SERDES_STAT3, 1)); | |
1546 | reg_block_dump(ap, buf, XGM_REG(A_XGM_SERDES_STATUS0, 1), | |
1547 | XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); | |
1548 | } | |
1549 | ||
1550 | static int restart_autoneg(struct net_device *dev) | |
1551 | { | |
1552 | struct port_info *p = netdev_priv(dev); | |
1553 | ||
1554 | if (!netif_running(dev)) | |
1555 | return -EAGAIN; | |
1556 | if (p->link_config.autoneg != AUTONEG_ENABLE) | |
1557 | return -EINVAL; | |
1558 | p->phy.ops->autoneg_restart(&p->phy); | |
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | static int cxgb3_phys_id(struct net_device *dev, u32 data) | |
1563 | { | |
5fbf816f DLR |
1564 | struct port_info *pi = netdev_priv(dev); |
1565 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1566 | int i; |
4d22de3e DLR |
1567 | |
1568 | if (data == 0) | |
1569 | data = 2; | |
1570 | ||
1571 | for (i = 0; i < data * 2; i++) { | |
1572 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, | |
1573 | (i & 1) ? F_GPIO0_OUT_VAL : 0); | |
1574 | if (msleep_interruptible(500)) | |
1575 | break; | |
1576 | } | |
1577 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, | |
1578 | F_GPIO0_OUT_VAL); | |
1579 | return 0; | |
1580 | } | |
1581 | ||
1582 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
1583 | { | |
1584 | struct port_info *p = netdev_priv(dev); | |
1585 | ||
1586 | cmd->supported = p->link_config.supported; | |
1587 | cmd->advertising = p->link_config.advertising; | |
1588 | ||
1589 | if (netif_carrier_ok(dev)) { | |
1590 | cmd->speed = p->link_config.speed; | |
1591 | cmd->duplex = p->link_config.duplex; | |
1592 | } else { | |
1593 | cmd->speed = -1; | |
1594 | cmd->duplex = -1; | |
1595 | } | |
1596 | ||
1597 | cmd->port = (cmd->supported & SUPPORTED_TP) ? PORT_TP : PORT_FIBRE; | |
0f07c4ee | 1598 | cmd->phy_address = p->phy.mdio.prtad; |
4d22de3e DLR |
1599 | cmd->transceiver = XCVR_EXTERNAL; |
1600 | cmd->autoneg = p->link_config.autoneg; | |
1601 | cmd->maxtxpkt = 0; | |
1602 | cmd->maxrxpkt = 0; | |
1603 | return 0; | |
1604 | } | |
1605 | ||
1606 | static int speed_duplex_to_caps(int speed, int duplex) | |
1607 | { | |
1608 | int cap = 0; | |
1609 | ||
1610 | switch (speed) { | |
1611 | case SPEED_10: | |
1612 | if (duplex == DUPLEX_FULL) | |
1613 | cap = SUPPORTED_10baseT_Full; | |
1614 | else | |
1615 | cap = SUPPORTED_10baseT_Half; | |
1616 | break; | |
1617 | case SPEED_100: | |
1618 | if (duplex == DUPLEX_FULL) | |
1619 | cap = SUPPORTED_100baseT_Full; | |
1620 | else | |
1621 | cap = SUPPORTED_100baseT_Half; | |
1622 | break; | |
1623 | case SPEED_1000: | |
1624 | if (duplex == DUPLEX_FULL) | |
1625 | cap = SUPPORTED_1000baseT_Full; | |
1626 | else | |
1627 | cap = SUPPORTED_1000baseT_Half; | |
1628 | break; | |
1629 | case SPEED_10000: | |
1630 | if (duplex == DUPLEX_FULL) | |
1631 | cap = SUPPORTED_10000baseT_Full; | |
1632 | } | |
1633 | return cap; | |
1634 | } | |
1635 | ||
1636 | #define ADVERTISED_MASK (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ | |
1637 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ | |
1638 | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | \ | |
1639 | ADVERTISED_10000baseT_Full) | |
1640 | ||
1641 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
1642 | { | |
1643 | struct port_info *p = netdev_priv(dev); | |
1644 | struct link_config *lc = &p->link_config; | |
1645 | ||
9b1e3656 DLR |
1646 | if (!(lc->supported & SUPPORTED_Autoneg)) { |
1647 | /* | |
1648 | * PHY offers a single speed/duplex. See if that's what's | |
1649 | * being requested. | |
1650 | */ | |
1651 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
97915b5b | 1652 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); |
9b1e3656 DLR |
1653 | if (lc->supported & cap) |
1654 | return 0; | |
1655 | } | |
1656 | return -EINVAL; | |
1657 | } | |
4d22de3e DLR |
1658 | |
1659 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
1660 | int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex); | |
1661 | ||
1662 | if (!(lc->supported & cap) || cmd->speed == SPEED_1000) | |
1663 | return -EINVAL; | |
1664 | lc->requested_speed = cmd->speed; | |
1665 | lc->requested_duplex = cmd->duplex; | |
1666 | lc->advertising = 0; | |
1667 | } else { | |
1668 | cmd->advertising &= ADVERTISED_MASK; | |
1669 | cmd->advertising &= lc->supported; | |
1670 | if (!cmd->advertising) | |
1671 | return -EINVAL; | |
1672 | lc->requested_speed = SPEED_INVALID; | |
1673 | lc->requested_duplex = DUPLEX_INVALID; | |
1674 | lc->advertising = cmd->advertising | ADVERTISED_Autoneg; | |
1675 | } | |
1676 | lc->autoneg = cmd->autoneg; | |
1677 | if (netif_running(dev)) | |
1678 | t3_link_start(&p->phy, &p->mac, lc); | |
1679 | return 0; | |
1680 | } | |
1681 | ||
1682 | static void get_pauseparam(struct net_device *dev, | |
1683 | struct ethtool_pauseparam *epause) | |
1684 | { | |
1685 | struct port_info *p = netdev_priv(dev); | |
1686 | ||
1687 | epause->autoneg = (p->link_config.requested_fc & PAUSE_AUTONEG) != 0; | |
1688 | epause->rx_pause = (p->link_config.fc & PAUSE_RX) != 0; | |
1689 | epause->tx_pause = (p->link_config.fc & PAUSE_TX) != 0; | |
1690 | } | |
1691 | ||
1692 | static int set_pauseparam(struct net_device *dev, | |
1693 | struct ethtool_pauseparam *epause) | |
1694 | { | |
1695 | struct port_info *p = netdev_priv(dev); | |
1696 | struct link_config *lc = &p->link_config; | |
1697 | ||
1698 | if (epause->autoneg == AUTONEG_DISABLE) | |
1699 | lc->requested_fc = 0; | |
1700 | else if (lc->supported & SUPPORTED_Autoneg) | |
1701 | lc->requested_fc = PAUSE_AUTONEG; | |
1702 | else | |
1703 | return -EINVAL; | |
1704 | ||
1705 | if (epause->rx_pause) | |
1706 | lc->requested_fc |= PAUSE_RX; | |
1707 | if (epause->tx_pause) | |
1708 | lc->requested_fc |= PAUSE_TX; | |
1709 | if (lc->autoneg == AUTONEG_ENABLE) { | |
1710 | if (netif_running(dev)) | |
1711 | t3_link_start(&p->phy, &p->mac, lc); | |
1712 | } else { | |
1713 | lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1714 | if (netif_running(dev)) | |
1715 | t3_mac_set_speed_duplex_fc(&p->mac, -1, -1, lc->fc); | |
1716 | } | |
1717 | return 0; | |
1718 | } | |
1719 | ||
1720 | static u32 get_rx_csum(struct net_device *dev) | |
1721 | { | |
1722 | struct port_info *p = netdev_priv(dev); | |
1723 | ||
47fd23fe | 1724 | return p->rx_offload & T3_RX_CSUM; |
4d22de3e DLR |
1725 | } |
1726 | ||
1727 | static int set_rx_csum(struct net_device *dev, u32 data) | |
1728 | { | |
1729 | struct port_info *p = netdev_priv(dev); | |
1730 | ||
47fd23fe RD |
1731 | if (data) { |
1732 | p->rx_offload |= T3_RX_CSUM; | |
1733 | } else { | |
b47385bd DLR |
1734 | int i; |
1735 | ||
47fd23fe | 1736 | p->rx_offload &= ~(T3_RX_CSUM | T3_LRO); |
04ecb072 DLR |
1737 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) |
1738 | set_qset_lro(dev, i, 0); | |
b47385bd | 1739 | } |
4d22de3e DLR |
1740 | return 0; |
1741 | } | |
1742 | ||
1743 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
1744 | { | |
5fbf816f DLR |
1745 | struct port_info *pi = netdev_priv(dev); |
1746 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1747 | const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset]; |
4d22de3e DLR |
1748 | |
1749 | e->rx_max_pending = MAX_RX_BUFFERS; | |
1750 | e->rx_mini_max_pending = 0; | |
1751 | e->rx_jumbo_max_pending = MAX_RX_JUMBO_BUFFERS; | |
1752 | e->tx_max_pending = MAX_TXQ_ENTRIES; | |
1753 | ||
05b97b30 DLR |
1754 | e->rx_pending = q->fl_size; |
1755 | e->rx_mini_pending = q->rspq_size; | |
1756 | e->rx_jumbo_pending = q->jumbo_size; | |
1757 | e->tx_pending = q->txq_size[0]; | |
4d22de3e DLR |
1758 | } |
1759 | ||
1760 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
1761 | { | |
5fbf816f DLR |
1762 | struct port_info *pi = netdev_priv(dev); |
1763 | struct adapter *adapter = pi->adapter; | |
05b97b30 | 1764 | struct qset_params *q; |
5fbf816f | 1765 | int i; |
4d22de3e DLR |
1766 | |
1767 | if (e->rx_pending > MAX_RX_BUFFERS || | |
1768 | e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS || | |
1769 | e->tx_pending > MAX_TXQ_ENTRIES || | |
1770 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || | |
1771 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || | |
1772 | e->rx_pending < MIN_FL_ENTRIES || | |
1773 | e->rx_jumbo_pending < MIN_FL_ENTRIES || | |
1774 | e->tx_pending < adapter->params.nports * MIN_TXQ_ENTRIES) | |
1775 | return -EINVAL; | |
1776 | ||
1777 | if (adapter->flags & FULL_INIT_DONE) | |
1778 | return -EBUSY; | |
1779 | ||
05b97b30 DLR |
1780 | q = &adapter->params.sge.qset[pi->first_qset]; |
1781 | for (i = 0; i < pi->nqsets; ++i, ++q) { | |
4d22de3e DLR |
1782 | q->rspq_size = e->rx_mini_pending; |
1783 | q->fl_size = e->rx_pending; | |
1784 | q->jumbo_size = e->rx_jumbo_pending; | |
1785 | q->txq_size[0] = e->tx_pending; | |
1786 | q->txq_size[1] = e->tx_pending; | |
1787 | q->txq_size[2] = e->tx_pending; | |
1788 | } | |
1789 | return 0; | |
1790 | } | |
1791 | ||
1792 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
1793 | { | |
5fbf816f DLR |
1794 | struct port_info *pi = netdev_priv(dev); |
1795 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1796 | struct qset_params *qsp = &adapter->params.sge.qset[0]; |
1797 | struct sge_qset *qs = &adapter->sge.qs[0]; | |
1798 | ||
1799 | if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) | |
1800 | return -EINVAL; | |
1801 | ||
1802 | qsp->coalesce_usecs = c->rx_coalesce_usecs; | |
1803 | t3_update_qset_coalesce(qs, qsp); | |
1804 | return 0; | |
1805 | } | |
1806 | ||
1807 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
1808 | { | |
5fbf816f DLR |
1809 | struct port_info *pi = netdev_priv(dev); |
1810 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
1811 | struct qset_params *q = adapter->params.sge.qset; |
1812 | ||
1813 | c->rx_coalesce_usecs = q->coalesce_usecs; | |
1814 | return 0; | |
1815 | } | |
1816 | ||
1817 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
1818 | u8 * data) | |
1819 | { | |
5fbf816f DLR |
1820 | struct port_info *pi = netdev_priv(dev); |
1821 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1822 | int i, err = 0; |
4d22de3e DLR |
1823 | |
1824 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); | |
1825 | if (!buf) | |
1826 | return -ENOMEM; | |
1827 | ||
1828 | e->magic = EEPROM_MAGIC; | |
1829 | for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) | |
05e5c116 | 1830 | err = t3_seeprom_read(adapter, i, (__le32 *) & buf[i]); |
4d22de3e DLR |
1831 | |
1832 | if (!err) | |
1833 | memcpy(data, buf + e->offset, e->len); | |
1834 | kfree(buf); | |
1835 | return err; | |
1836 | } | |
1837 | ||
1838 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
1839 | u8 * data) | |
1840 | { | |
5fbf816f DLR |
1841 | struct port_info *pi = netdev_priv(dev); |
1842 | struct adapter *adapter = pi->adapter; | |
05e5c116 AV |
1843 | u32 aligned_offset, aligned_len; |
1844 | __le32 *p; | |
4d22de3e | 1845 | u8 *buf; |
c54f5c24 | 1846 | int err; |
4d22de3e DLR |
1847 | |
1848 | if (eeprom->magic != EEPROM_MAGIC) | |
1849 | return -EINVAL; | |
1850 | ||
1851 | aligned_offset = eeprom->offset & ~3; | |
1852 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; | |
1853 | ||
1854 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { | |
1855 | buf = kmalloc(aligned_len, GFP_KERNEL); | |
1856 | if (!buf) | |
1857 | return -ENOMEM; | |
05e5c116 | 1858 | err = t3_seeprom_read(adapter, aligned_offset, (__le32 *) buf); |
4d22de3e DLR |
1859 | if (!err && aligned_len > 4) |
1860 | err = t3_seeprom_read(adapter, | |
1861 | aligned_offset + aligned_len - 4, | |
05e5c116 | 1862 | (__le32 *) & buf[aligned_len - 4]); |
4d22de3e DLR |
1863 | if (err) |
1864 | goto out; | |
1865 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); | |
1866 | } else | |
1867 | buf = data; | |
1868 | ||
1869 | err = t3_seeprom_wp(adapter, 0); | |
1870 | if (err) | |
1871 | goto out; | |
1872 | ||
05e5c116 | 1873 | for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) { |
4d22de3e DLR |
1874 | err = t3_seeprom_write(adapter, aligned_offset, *p); |
1875 | aligned_offset += 4; | |
1876 | } | |
1877 | ||
1878 | if (!err) | |
1879 | err = t3_seeprom_wp(adapter, 1); | |
1880 | out: | |
1881 | if (buf != data) | |
1882 | kfree(buf); | |
1883 | return err; | |
1884 | } | |
1885 | ||
1886 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1887 | { | |
1888 | wol->supported = 0; | |
1889 | wol->wolopts = 0; | |
1890 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
1891 | } | |
1892 | ||
1893 | static const struct ethtool_ops cxgb_ethtool_ops = { | |
1894 | .get_settings = get_settings, | |
1895 | .set_settings = set_settings, | |
1896 | .get_drvinfo = get_drvinfo, | |
1897 | .get_msglevel = get_msglevel, | |
1898 | .set_msglevel = set_msglevel, | |
1899 | .get_ringparam = get_sge_param, | |
1900 | .set_ringparam = set_sge_param, | |
1901 | .get_coalesce = get_coalesce, | |
1902 | .set_coalesce = set_coalesce, | |
1903 | .get_eeprom_len = get_eeprom_len, | |
1904 | .get_eeprom = get_eeprom, | |
1905 | .set_eeprom = set_eeprom, | |
1906 | .get_pauseparam = get_pauseparam, | |
1907 | .set_pauseparam = set_pauseparam, | |
1908 | .get_rx_csum = get_rx_csum, | |
1909 | .set_rx_csum = set_rx_csum, | |
4d22de3e | 1910 | .set_tx_csum = ethtool_op_set_tx_csum, |
4d22de3e DLR |
1911 | .set_sg = ethtool_op_set_sg, |
1912 | .get_link = ethtool_op_get_link, | |
1913 | .get_strings = get_strings, | |
1914 | .phys_id = cxgb3_phys_id, | |
1915 | .nway_reset = restart_autoneg, | |
b9f2c044 | 1916 | .get_sset_count = get_sset_count, |
4d22de3e DLR |
1917 | .get_ethtool_stats = get_stats, |
1918 | .get_regs_len = get_regs_len, | |
1919 | .get_regs = get_regs, | |
1920 | .get_wol = get_wol, | |
4d22de3e | 1921 | .set_tso = ethtool_op_set_tso, |
4d22de3e DLR |
1922 | }; |
1923 | ||
1924 | static int in_range(int val, int lo, int hi) | |
1925 | { | |
1926 | return val < 0 || (val <= hi && val >= lo); | |
1927 | } | |
1928 | ||
1929 | static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) | |
1930 | { | |
5fbf816f DLR |
1931 | struct port_info *pi = netdev_priv(dev); |
1932 | struct adapter *adapter = pi->adapter; | |
4d22de3e | 1933 | u32 cmd; |
5fbf816f | 1934 | int ret; |
4d22de3e DLR |
1935 | |
1936 | if (copy_from_user(&cmd, useraddr, sizeof(cmd))) | |
1937 | return -EFAULT; | |
1938 | ||
1939 | switch (cmd) { | |
4d22de3e DLR |
1940 | case CHELSIO_SET_QSET_PARAMS:{ |
1941 | int i; | |
1942 | struct qset_params *q; | |
1943 | struct ch_qset_params t; | |
8c263761 DLR |
1944 | int q1 = pi->first_qset; |
1945 | int nqsets = pi->nqsets; | |
4d22de3e DLR |
1946 | |
1947 | if (!capable(CAP_NET_ADMIN)) | |
1948 | return -EPERM; | |
1949 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
1950 | return -EFAULT; | |
1951 | if (t.qset_idx >= SGE_QSETS) | |
1952 | return -EINVAL; | |
1953 | if (!in_range(t.intr_lat, 0, M_NEWTIMER) || | |
1954 | !in_range(t.cong_thres, 0, 255) || | |
1955 | !in_range(t.txq_size[0], MIN_TXQ_ENTRIES, | |
1956 | MAX_TXQ_ENTRIES) || | |
1957 | !in_range(t.txq_size[1], MIN_TXQ_ENTRIES, | |
1958 | MAX_TXQ_ENTRIES) || | |
1959 | !in_range(t.txq_size[2], MIN_CTRL_TXQ_ENTRIES, | |
1960 | MAX_CTRL_TXQ_ENTRIES) || | |
1961 | !in_range(t.fl_size[0], MIN_FL_ENTRIES, | |
1962 | MAX_RX_BUFFERS) | |
1963 | || !in_range(t.fl_size[1], MIN_FL_ENTRIES, | |
1964 | MAX_RX_JUMBO_BUFFERS) | |
1965 | || !in_range(t.rspq_size, MIN_RSPQ_ENTRIES, | |
1966 | MAX_RSPQ_ENTRIES)) | |
1967 | return -EINVAL; | |
8c263761 DLR |
1968 | |
1969 | if ((adapter->flags & FULL_INIT_DONE) && t.lro > 0) | |
1970 | for_each_port(adapter, i) { | |
1971 | pi = adap2pinfo(adapter, i); | |
1972 | if (t.qset_idx >= pi->first_qset && | |
1973 | t.qset_idx < pi->first_qset + pi->nqsets && | |
47fd23fe | 1974 | !(pi->rx_offload & T3_RX_CSUM)) |
8c263761 DLR |
1975 | return -EINVAL; |
1976 | } | |
1977 | ||
4d22de3e DLR |
1978 | if ((adapter->flags & FULL_INIT_DONE) && |
1979 | (t.rspq_size >= 0 || t.fl_size[0] >= 0 || | |
1980 | t.fl_size[1] >= 0 || t.txq_size[0] >= 0 || | |
1981 | t.txq_size[1] >= 0 || t.txq_size[2] >= 0 || | |
1982 | t.polling >= 0 || t.cong_thres >= 0)) | |
1983 | return -EBUSY; | |
1984 | ||
8c263761 DLR |
1985 | /* Allow setting of any available qset when offload enabled */ |
1986 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
1987 | q1 = 0; | |
1988 | for_each_port(adapter, i) { | |
1989 | pi = adap2pinfo(adapter, i); | |
1990 | nqsets += pi->first_qset + pi->nqsets; | |
1991 | } | |
1992 | } | |
1993 | ||
1994 | if (t.qset_idx < q1) | |
1995 | return -EINVAL; | |
1996 | if (t.qset_idx > q1 + nqsets - 1) | |
1997 | return -EINVAL; | |
1998 | ||
4d22de3e DLR |
1999 | q = &adapter->params.sge.qset[t.qset_idx]; |
2000 | ||
2001 | if (t.rspq_size >= 0) | |
2002 | q->rspq_size = t.rspq_size; | |
2003 | if (t.fl_size[0] >= 0) | |
2004 | q->fl_size = t.fl_size[0]; | |
2005 | if (t.fl_size[1] >= 0) | |
2006 | q->jumbo_size = t.fl_size[1]; | |
2007 | if (t.txq_size[0] >= 0) | |
2008 | q->txq_size[0] = t.txq_size[0]; | |
2009 | if (t.txq_size[1] >= 0) | |
2010 | q->txq_size[1] = t.txq_size[1]; | |
2011 | if (t.txq_size[2] >= 0) | |
2012 | q->txq_size[2] = t.txq_size[2]; | |
2013 | if (t.cong_thres >= 0) | |
2014 | q->cong_thres = t.cong_thres; | |
2015 | if (t.intr_lat >= 0) { | |
2016 | struct sge_qset *qs = | |
2017 | &adapter->sge.qs[t.qset_idx]; | |
2018 | ||
2019 | q->coalesce_usecs = t.intr_lat; | |
2020 | t3_update_qset_coalesce(qs, q); | |
2021 | } | |
2022 | if (t.polling >= 0) { | |
2023 | if (adapter->flags & USING_MSIX) | |
2024 | q->polling = t.polling; | |
2025 | else { | |
2026 | /* No polling with INTx for T3A */ | |
2027 | if (adapter->params.rev == 0 && | |
2028 | !(adapter->flags & USING_MSI)) | |
2029 | t.polling = 0; | |
2030 | ||
2031 | for (i = 0; i < SGE_QSETS; i++) { | |
2032 | q = &adapter->params.sge. | |
2033 | qset[i]; | |
2034 | q->polling = t.polling; | |
2035 | } | |
2036 | } | |
2037 | } | |
04ecb072 DLR |
2038 | if (t.lro >= 0) |
2039 | set_qset_lro(dev, t.qset_idx, t.lro); | |
2040 | ||
4d22de3e DLR |
2041 | break; |
2042 | } | |
2043 | case CHELSIO_GET_QSET_PARAMS:{ | |
2044 | struct qset_params *q; | |
2045 | struct ch_qset_params t; | |
8c263761 DLR |
2046 | int q1 = pi->first_qset; |
2047 | int nqsets = pi->nqsets; | |
2048 | int i; | |
4d22de3e DLR |
2049 | |
2050 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2051 | return -EFAULT; | |
8c263761 DLR |
2052 | |
2053 | /* Display qsets for all ports when offload enabled */ | |
2054 | if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2055 | q1 = 0; | |
2056 | for_each_port(adapter, i) { | |
2057 | pi = adap2pinfo(adapter, i); | |
2058 | nqsets = pi->first_qset + pi->nqsets; | |
2059 | } | |
2060 | } | |
2061 | ||
2062 | if (t.qset_idx >= nqsets) | |
4d22de3e DLR |
2063 | return -EINVAL; |
2064 | ||
8c263761 | 2065 | q = &adapter->params.sge.qset[q1 + t.qset_idx]; |
4d22de3e DLR |
2066 | t.rspq_size = q->rspq_size; |
2067 | t.txq_size[0] = q->txq_size[0]; | |
2068 | t.txq_size[1] = q->txq_size[1]; | |
2069 | t.txq_size[2] = q->txq_size[2]; | |
2070 | t.fl_size[0] = q->fl_size; | |
2071 | t.fl_size[1] = q->jumbo_size; | |
2072 | t.polling = q->polling; | |
b47385bd | 2073 | t.lro = q->lro; |
4d22de3e DLR |
2074 | t.intr_lat = q->coalesce_usecs; |
2075 | t.cong_thres = q->cong_thres; | |
8c263761 DLR |
2076 | t.qnum = q1; |
2077 | ||
2078 | if (adapter->flags & USING_MSIX) | |
2079 | t.vector = adapter->msix_info[q1 + t.qset_idx + 1].vec; | |
2080 | else | |
2081 | t.vector = adapter->pdev->irq; | |
4d22de3e DLR |
2082 | |
2083 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2084 | return -EFAULT; | |
2085 | break; | |
2086 | } | |
2087 | case CHELSIO_SET_QSET_NUM:{ | |
2088 | struct ch_reg edata; | |
4d22de3e DLR |
2089 | unsigned int i, first_qset = 0, other_qsets = 0; |
2090 | ||
2091 | if (!capable(CAP_NET_ADMIN)) | |
2092 | return -EPERM; | |
2093 | if (adapter->flags & FULL_INIT_DONE) | |
2094 | return -EBUSY; | |
2095 | if (copy_from_user(&edata, useraddr, sizeof(edata))) | |
2096 | return -EFAULT; | |
2097 | if (edata.val < 1 || | |
2098 | (edata.val > 1 && !(adapter->flags & USING_MSIX))) | |
2099 | return -EINVAL; | |
2100 | ||
2101 | for_each_port(adapter, i) | |
2102 | if (adapter->port[i] && adapter->port[i] != dev) | |
2103 | other_qsets += adap2pinfo(adapter, i)->nqsets; | |
2104 | ||
2105 | if (edata.val + other_qsets > SGE_QSETS) | |
2106 | return -EINVAL; | |
2107 | ||
2108 | pi->nqsets = edata.val; | |
2109 | ||
2110 | for_each_port(adapter, i) | |
2111 | if (adapter->port[i]) { | |
2112 | pi = adap2pinfo(adapter, i); | |
2113 | pi->first_qset = first_qset; | |
2114 | first_qset += pi->nqsets; | |
2115 | } | |
2116 | break; | |
2117 | } | |
2118 | case CHELSIO_GET_QSET_NUM:{ | |
2119 | struct ch_reg edata; | |
4d22de3e DLR |
2120 | |
2121 | edata.cmd = CHELSIO_GET_QSET_NUM; | |
2122 | edata.val = pi->nqsets; | |
2123 | if (copy_to_user(useraddr, &edata, sizeof(edata))) | |
2124 | return -EFAULT; | |
2125 | break; | |
2126 | } | |
2127 | case CHELSIO_LOAD_FW:{ | |
2128 | u8 *fw_data; | |
2129 | struct ch_mem_range t; | |
2130 | ||
1b3aa7af | 2131 | if (!capable(CAP_SYS_RAWIO)) |
4d22de3e DLR |
2132 | return -EPERM; |
2133 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2134 | return -EFAULT; | |
1b3aa7af | 2135 | /* Check t.len sanity ? */ |
4d22de3e DLR |
2136 | fw_data = kmalloc(t.len, GFP_KERNEL); |
2137 | if (!fw_data) | |
2138 | return -ENOMEM; | |
2139 | ||
2140 | if (copy_from_user | |
2141 | (fw_data, useraddr + sizeof(t), t.len)) { | |
2142 | kfree(fw_data); | |
2143 | return -EFAULT; | |
2144 | } | |
2145 | ||
2146 | ret = t3_load_fw(adapter, fw_data, t.len); | |
2147 | kfree(fw_data); | |
2148 | if (ret) | |
2149 | return ret; | |
2150 | break; | |
2151 | } | |
2152 | case CHELSIO_SETMTUTAB:{ | |
2153 | struct ch_mtus m; | |
2154 | int i; | |
2155 | ||
2156 | if (!is_offload(adapter)) | |
2157 | return -EOPNOTSUPP; | |
2158 | if (!capable(CAP_NET_ADMIN)) | |
2159 | return -EPERM; | |
2160 | if (offload_running(adapter)) | |
2161 | return -EBUSY; | |
2162 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2163 | return -EFAULT; | |
2164 | if (m.nmtus != NMTUS) | |
2165 | return -EINVAL; | |
2166 | if (m.mtus[0] < 81) /* accommodate SACK */ | |
2167 | return -EINVAL; | |
2168 | ||
2169 | /* MTUs must be in ascending order */ | |
2170 | for (i = 1; i < NMTUS; ++i) | |
2171 | if (m.mtus[i] < m.mtus[i - 1]) | |
2172 | return -EINVAL; | |
2173 | ||
2174 | memcpy(adapter->params.mtus, m.mtus, | |
2175 | sizeof(adapter->params.mtus)); | |
2176 | break; | |
2177 | } | |
2178 | case CHELSIO_GET_PM:{ | |
2179 | struct tp_params *p = &adapter->params.tp; | |
2180 | struct ch_pm m = {.cmd = CHELSIO_GET_PM }; | |
2181 | ||
2182 | if (!is_offload(adapter)) | |
2183 | return -EOPNOTSUPP; | |
2184 | m.tx_pg_sz = p->tx_pg_size; | |
2185 | m.tx_num_pg = p->tx_num_pgs; | |
2186 | m.rx_pg_sz = p->rx_pg_size; | |
2187 | m.rx_num_pg = p->rx_num_pgs; | |
2188 | m.pm_total = p->pmtx_size + p->chan_rx_size * p->nchan; | |
2189 | if (copy_to_user(useraddr, &m, sizeof(m))) | |
2190 | return -EFAULT; | |
2191 | break; | |
2192 | } | |
2193 | case CHELSIO_SET_PM:{ | |
2194 | struct ch_pm m; | |
2195 | struct tp_params *p = &adapter->params.tp; | |
2196 | ||
2197 | if (!is_offload(adapter)) | |
2198 | return -EOPNOTSUPP; | |
2199 | if (!capable(CAP_NET_ADMIN)) | |
2200 | return -EPERM; | |
2201 | if (adapter->flags & FULL_INIT_DONE) | |
2202 | return -EBUSY; | |
2203 | if (copy_from_user(&m, useraddr, sizeof(m))) | |
2204 | return -EFAULT; | |
d9da466a | 2205 | if (!is_power_of_2(m.rx_pg_sz) || |
2206 | !is_power_of_2(m.tx_pg_sz)) | |
4d22de3e DLR |
2207 | return -EINVAL; /* not power of 2 */ |
2208 | if (!(m.rx_pg_sz & 0x14000)) | |
2209 | return -EINVAL; /* not 16KB or 64KB */ | |
2210 | if (!(m.tx_pg_sz & 0x1554000)) | |
2211 | return -EINVAL; | |
2212 | if (m.tx_num_pg == -1) | |
2213 | m.tx_num_pg = p->tx_num_pgs; | |
2214 | if (m.rx_num_pg == -1) | |
2215 | m.rx_num_pg = p->rx_num_pgs; | |
2216 | if (m.tx_num_pg % 24 || m.rx_num_pg % 24) | |
2217 | return -EINVAL; | |
2218 | if (m.rx_num_pg * m.rx_pg_sz > p->chan_rx_size || | |
2219 | m.tx_num_pg * m.tx_pg_sz > p->chan_tx_size) | |
2220 | return -EINVAL; | |
2221 | p->rx_pg_size = m.rx_pg_sz; | |
2222 | p->tx_pg_size = m.tx_pg_sz; | |
2223 | p->rx_num_pgs = m.rx_num_pg; | |
2224 | p->tx_num_pgs = m.tx_num_pg; | |
2225 | break; | |
2226 | } | |
2227 | case CHELSIO_GET_MEM:{ | |
2228 | struct ch_mem_range t; | |
2229 | struct mc7 *mem; | |
2230 | u64 buf[32]; | |
2231 | ||
2232 | if (!is_offload(adapter)) | |
2233 | return -EOPNOTSUPP; | |
2234 | if (!(adapter->flags & FULL_INIT_DONE)) | |
2235 | return -EIO; /* need the memory controllers */ | |
2236 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2237 | return -EFAULT; | |
2238 | if ((t.addr & 7) || (t.len & 7)) | |
2239 | return -EINVAL; | |
2240 | if (t.mem_id == MEM_CM) | |
2241 | mem = &adapter->cm; | |
2242 | else if (t.mem_id == MEM_PMRX) | |
2243 | mem = &adapter->pmrx; | |
2244 | else if (t.mem_id == MEM_PMTX) | |
2245 | mem = &adapter->pmtx; | |
2246 | else | |
2247 | return -EINVAL; | |
2248 | ||
2249 | /* | |
1825494a DLR |
2250 | * Version scheme: |
2251 | * bits 0..9: chip version | |
2252 | * bits 10..15: chip revision | |
2253 | */ | |
4d22de3e DLR |
2254 | t.version = 3 | (adapter->params.rev << 10); |
2255 | if (copy_to_user(useraddr, &t, sizeof(t))) | |
2256 | return -EFAULT; | |
2257 | ||
2258 | /* | |
2259 | * Read 256 bytes at a time as len can be large and we don't | |
2260 | * want to use huge intermediate buffers. | |
2261 | */ | |
2262 | useraddr += sizeof(t); /* advance to start of buffer */ | |
2263 | while (t.len) { | |
2264 | unsigned int chunk = | |
2265 | min_t(unsigned int, t.len, sizeof(buf)); | |
2266 | ||
2267 | ret = | |
2268 | t3_mc7_bd_read(mem, t.addr / 8, chunk / 8, | |
2269 | buf); | |
2270 | if (ret) | |
2271 | return ret; | |
2272 | if (copy_to_user(useraddr, buf, chunk)) | |
2273 | return -EFAULT; | |
2274 | useraddr += chunk; | |
2275 | t.addr += chunk; | |
2276 | t.len -= chunk; | |
2277 | } | |
2278 | break; | |
2279 | } | |
2280 | case CHELSIO_SET_TRACE_FILTER:{ | |
2281 | struct ch_trace t; | |
2282 | const struct trace_params *tp; | |
2283 | ||
2284 | if (!capable(CAP_NET_ADMIN)) | |
2285 | return -EPERM; | |
2286 | if (!offload_running(adapter)) | |
2287 | return -EAGAIN; | |
2288 | if (copy_from_user(&t, useraddr, sizeof(t))) | |
2289 | return -EFAULT; | |
2290 | ||
2291 | tp = (const struct trace_params *)&t.sip; | |
2292 | if (t.config_tx) | |
2293 | t3_config_trace_filter(adapter, tp, 0, | |
2294 | t.invert_match, | |
2295 | t.trace_tx); | |
2296 | if (t.config_rx) | |
2297 | t3_config_trace_filter(adapter, tp, 1, | |
2298 | t.invert_match, | |
2299 | t.trace_rx); | |
2300 | break; | |
2301 | } | |
4d22de3e DLR |
2302 | default: |
2303 | return -EOPNOTSUPP; | |
2304 | } | |
2305 | return 0; | |
2306 | } | |
2307 | ||
2308 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
2309 | { | |
4d22de3e | 2310 | struct mii_ioctl_data *data = if_mii(req); |
5fbf816f DLR |
2311 | struct port_info *pi = netdev_priv(dev); |
2312 | struct adapter *adapter = pi->adapter; | |
4d22de3e DLR |
2313 | |
2314 | switch (cmd) { | |
0f07c4ee BH |
2315 | case SIOCGMIIREG: |
2316 | case SIOCSMIIREG: | |
2317 | /* Convert phy_id from older PRTAD/DEVAD format */ | |
2318 | if (is_10G(adapter) && | |
2319 | !mdio_phy_id_is_c45(data->phy_id) && | |
2320 | (data->phy_id & 0x1f00) && | |
2321 | !(data->phy_id & 0xe0e0)) | |
2322 | data->phy_id = mdio_phy_id_c45(data->phy_id >> 8, | |
2323 | data->phy_id & 0x1f); | |
4d22de3e | 2324 | /* FALLTHRU */ |
0f07c4ee BH |
2325 | case SIOCGMIIPHY: |
2326 | return mdio_mii_ioctl(&pi->phy.mdio, data, cmd); | |
4d22de3e DLR |
2327 | case SIOCCHIOCTL: |
2328 | return cxgb_extension_ioctl(dev, req->ifr_data); | |
2329 | default: | |
2330 | return -EOPNOTSUPP; | |
2331 | } | |
4d22de3e DLR |
2332 | } |
2333 | ||
2334 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) | |
2335 | { | |
4d22de3e | 2336 | struct port_info *pi = netdev_priv(dev); |
5fbf816f DLR |
2337 | struct adapter *adapter = pi->adapter; |
2338 | int ret; | |
4d22de3e DLR |
2339 | |
2340 | if (new_mtu < 81) /* accommodate SACK */ | |
2341 | return -EINVAL; | |
2342 | if ((ret = t3_mac_set_mtu(&pi->mac, new_mtu))) | |
2343 | return ret; | |
2344 | dev->mtu = new_mtu; | |
2345 | init_port_mtus(adapter); | |
2346 | if (adapter->params.rev == 0 && offload_running(adapter)) | |
2347 | t3_load_mtus(adapter, adapter->params.mtus, | |
2348 | adapter->params.a_wnd, adapter->params.b_wnd, | |
2349 | adapter->port[0]->mtu); | |
2350 | return 0; | |
2351 | } | |
2352 | ||
2353 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) | |
2354 | { | |
4d22de3e | 2355 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2356 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2357 | struct sockaddr *addr = p; |
2358 | ||
2359 | if (!is_valid_ether_addr(addr->sa_data)) | |
2360 | return -EINVAL; | |
2361 | ||
2362 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
2363 | t3_mac_set_address(&pi->mac, 0, dev->dev_addr); | |
2364 | if (offload_running(adapter)) | |
2365 | write_smt_entry(adapter, pi->port_id); | |
2366 | return 0; | |
2367 | } | |
2368 | ||
2369 | /** | |
2370 | * t3_synchronize_rx - wait for current Rx processing on a port to complete | |
2371 | * @adap: the adapter | |
2372 | * @p: the port | |
2373 | * | |
2374 | * Ensures that current Rx processing on any of the queues associated with | |
2375 | * the given port completes before returning. We do this by acquiring and | |
2376 | * releasing the locks of the response queues associated with the port. | |
2377 | */ | |
2378 | static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p) | |
2379 | { | |
2380 | int i; | |
2381 | ||
8c263761 DLR |
2382 | for (i = p->first_qset; i < p->first_qset + p->nqsets; i++) { |
2383 | struct sge_rspq *q = &adap->sge.qs[i].rspq; | |
4d22de3e DLR |
2384 | |
2385 | spin_lock_irq(&q->lock); | |
2386 | spin_unlock_irq(&q->lock); | |
2387 | } | |
2388 | } | |
2389 | ||
2390 | static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp) | |
2391 | { | |
4d22de3e | 2392 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2393 | struct adapter *adapter = pi->adapter; |
4d22de3e DLR |
2394 | |
2395 | pi->vlan_grp = grp; | |
2396 | if (adapter->params.rev > 0) | |
2397 | t3_set_vlan_accel(adapter, 1 << pi->port_id, grp != NULL); | |
2398 | else { | |
2399 | /* single control for all ports */ | |
2400 | unsigned int i, have_vlans = 0; | |
2401 | for_each_port(adapter, i) | |
2402 | have_vlans |= adap2pinfo(adapter, i)->vlan_grp != NULL; | |
2403 | ||
2404 | t3_set_vlan_accel(adapter, 1, have_vlans); | |
2405 | } | |
2406 | t3_synchronize_rx(adapter, pi); | |
2407 | } | |
2408 | ||
4d22de3e DLR |
2409 | #ifdef CONFIG_NET_POLL_CONTROLLER |
2410 | static void cxgb_netpoll(struct net_device *dev) | |
2411 | { | |
890de332 | 2412 | struct port_info *pi = netdev_priv(dev); |
5fbf816f | 2413 | struct adapter *adapter = pi->adapter; |
890de332 | 2414 | int qidx; |
4d22de3e | 2415 | |
890de332 DLR |
2416 | for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) { |
2417 | struct sge_qset *qs = &adapter->sge.qs[qidx]; | |
2418 | void *source; | |
2eab17ab | 2419 | |
890de332 DLR |
2420 | if (adapter->flags & USING_MSIX) |
2421 | source = qs; | |
2422 | else | |
2423 | source = adapter; | |
2424 | ||
2425 | t3_intr_handler(adapter, qs->rspq.polling) (0, source); | |
2426 | } | |
4d22de3e DLR |
2427 | } |
2428 | #endif | |
2429 | ||
2430 | /* | |
2431 | * Periodic accumulation of MAC statistics. | |
2432 | */ | |
2433 | static void mac_stats_update(struct adapter *adapter) | |
2434 | { | |
2435 | int i; | |
2436 | ||
2437 | for_each_port(adapter, i) { | |
2438 | struct net_device *dev = adapter->port[i]; | |
2439 | struct port_info *p = netdev_priv(dev); | |
2440 | ||
2441 | if (netif_running(dev)) { | |
2442 | spin_lock(&adapter->stats_lock); | |
2443 | t3_mac_update_stats(&p->mac); | |
2444 | spin_unlock(&adapter->stats_lock); | |
2445 | } | |
2446 | } | |
2447 | } | |
2448 | ||
2449 | static void check_link_status(struct adapter *adapter) | |
2450 | { | |
2451 | int i; | |
2452 | ||
2453 | for_each_port(adapter, i) { | |
2454 | struct net_device *dev = adapter->port[i]; | |
2455 | struct port_info *p = netdev_priv(dev); | |
c22c8149 | 2456 | int link_fault; |
4d22de3e | 2457 | |
bf792094 | 2458 | spin_lock_irq(&adapter->work_lock); |
c22c8149 DLR |
2459 | link_fault = p->link_fault; |
2460 | spin_unlock_irq(&adapter->work_lock); | |
2461 | ||
2462 | if (link_fault) { | |
3851c66c | 2463 | t3_link_fault(adapter, i); |
bf792094 DLR |
2464 | continue; |
2465 | } | |
bf792094 DLR |
2466 | |
2467 | if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) { | |
2468 | t3_xgm_intr_disable(adapter, i); | |
2469 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2470 | ||
4d22de3e | 2471 | t3_link_changed(adapter, i); |
bf792094 DLR |
2472 | t3_xgm_intr_enable(adapter, i); |
2473 | } | |
4d22de3e DLR |
2474 | } |
2475 | } | |
2476 | ||
fc90664e DLR |
2477 | static void check_t3b2_mac(struct adapter *adapter) |
2478 | { | |
2479 | int i; | |
2480 | ||
f2d961c9 DLR |
2481 | if (!rtnl_trylock()) /* synchronize with ifdown */ |
2482 | return; | |
2483 | ||
fc90664e DLR |
2484 | for_each_port(adapter, i) { |
2485 | struct net_device *dev = adapter->port[i]; | |
2486 | struct port_info *p = netdev_priv(dev); | |
2487 | int status; | |
2488 | ||
2489 | if (!netif_running(dev)) | |
2490 | continue; | |
2491 | ||
2492 | status = 0; | |
6d6dabac | 2493 | if (netif_running(dev) && netif_carrier_ok(dev)) |
fc90664e DLR |
2494 | status = t3b2_mac_watchdog_task(&p->mac); |
2495 | if (status == 1) | |
2496 | p->mac.stats.num_toggled++; | |
2497 | else if (status == 2) { | |
2498 | struct cmac *mac = &p->mac; | |
2499 | ||
2500 | t3_mac_set_mtu(mac, dev->mtu); | |
2501 | t3_mac_set_address(mac, 0, dev->dev_addr); | |
2502 | cxgb_set_rxmode(dev); | |
2503 | t3_link_start(&p->phy, mac, &p->link_config); | |
2504 | t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX); | |
2505 | t3_port_intr_enable(adapter, p->port_id); | |
2506 | p->mac.stats.num_resets++; | |
2507 | } | |
2508 | } | |
2509 | rtnl_unlock(); | |
2510 | } | |
2511 | ||
2512 | ||
4d22de3e DLR |
2513 | static void t3_adap_check_task(struct work_struct *work) |
2514 | { | |
2515 | struct adapter *adapter = container_of(work, struct adapter, | |
2516 | adap_check_task.work); | |
2517 | const struct adapter_params *p = &adapter->params; | |
fc882196 DLR |
2518 | int port; |
2519 | unsigned int v, status, reset; | |
4d22de3e DLR |
2520 | |
2521 | adapter->check_task_cnt++; | |
2522 | ||
3851c66c | 2523 | check_link_status(adapter); |
4d22de3e DLR |
2524 | |
2525 | /* Accumulate MAC stats if needed */ | |
2526 | if (!p->linkpoll_period || | |
2527 | (adapter->check_task_cnt * p->linkpoll_period) / 10 >= | |
2528 | p->stats_update_period) { | |
2529 | mac_stats_update(adapter); | |
2530 | adapter->check_task_cnt = 0; | |
2531 | } | |
2532 | ||
fc90664e DLR |
2533 | if (p->rev == T3_REV_B2) |
2534 | check_t3b2_mac(adapter); | |
2535 | ||
fc882196 DLR |
2536 | /* |
2537 | * Scan the XGMAC's to check for various conditions which we want to | |
2538 | * monitor in a periodic polling manner rather than via an interrupt | |
2539 | * condition. This is used for conditions which would otherwise flood | |
2540 | * the system with interrupts and we only really need to know that the | |
2541 | * conditions are "happening" ... For each condition we count the | |
2542 | * detection of the condition and reset it for the next polling loop. | |
2543 | */ | |
2544 | for_each_port(adapter, port) { | |
2545 | struct cmac *mac = &adap2pinfo(adapter, port)->mac; | |
2546 | u32 cause; | |
2547 | ||
2548 | cause = t3_read_reg(adapter, A_XGM_INT_CAUSE + mac->offset); | |
2549 | reset = 0; | |
2550 | if (cause & F_RXFIFO_OVERFLOW) { | |
2551 | mac->stats.rx_fifo_ovfl++; | |
2552 | reset |= F_RXFIFO_OVERFLOW; | |
2553 | } | |
2554 | ||
2555 | t3_write_reg(adapter, A_XGM_INT_CAUSE + mac->offset, reset); | |
2556 | } | |
2557 | ||
2558 | /* | |
2559 | * We do the same as above for FL_EMPTY interrupts. | |
2560 | */ | |
2561 | status = t3_read_reg(adapter, A_SG_INT_CAUSE); | |
2562 | reset = 0; | |
2563 | ||
2564 | if (status & F_FLEMPTY) { | |
2565 | struct sge_qset *qs = &adapter->sge.qs[0]; | |
2566 | int i = 0; | |
2567 | ||
2568 | reset |= F_FLEMPTY; | |
2569 | ||
2570 | v = (t3_read_reg(adapter, A_SG_RSPQ_FL_STATUS) >> S_FL0EMPTY) & | |
2571 | 0xffff; | |
2572 | ||
2573 | while (v) { | |
2574 | qs->fl[i].empty += (v & 1); | |
2575 | if (i) | |
2576 | qs++; | |
2577 | i ^= 1; | |
2578 | v >>= 1; | |
2579 | } | |
2580 | } | |
2581 | ||
2582 | t3_write_reg(adapter, A_SG_INT_CAUSE, reset); | |
2583 | ||
4d22de3e | 2584 | /* Schedule the next check update if any port is active. */ |
20d3fc11 | 2585 | spin_lock_irq(&adapter->work_lock); |
4d22de3e DLR |
2586 | if (adapter->open_device_map & PORT_MASK) |
2587 | schedule_chk_task(adapter); | |
20d3fc11 | 2588 | spin_unlock_irq(&adapter->work_lock); |
4d22de3e DLR |
2589 | } |
2590 | ||
2591 | /* | |
2592 | * Processes external (PHY) interrupts in process context. | |
2593 | */ | |
2594 | static void ext_intr_task(struct work_struct *work) | |
2595 | { | |
2596 | struct adapter *adapter = container_of(work, struct adapter, | |
2597 | ext_intr_handler_task); | |
bf792094 DLR |
2598 | int i; |
2599 | ||
2600 | /* Disable link fault interrupts */ | |
2601 | for_each_port(adapter, i) { | |
2602 | struct net_device *dev = adapter->port[i]; | |
2603 | struct port_info *p = netdev_priv(dev); | |
2604 | ||
2605 | t3_xgm_intr_disable(adapter, i); | |
2606 | t3_read_reg(adapter, A_XGM_INT_STATUS + p->mac.offset); | |
2607 | } | |
4d22de3e | 2608 | |
bf792094 | 2609 | /* Re-enable link fault interrupts */ |
4d22de3e DLR |
2610 | t3_phy_intr_handler(adapter); |
2611 | ||
bf792094 DLR |
2612 | for_each_port(adapter, i) |
2613 | t3_xgm_intr_enable(adapter, i); | |
2614 | ||
4d22de3e DLR |
2615 | /* Now reenable external interrupts */ |
2616 | spin_lock_irq(&adapter->work_lock); | |
2617 | if (adapter->slow_intr_mask) { | |
2618 | adapter->slow_intr_mask |= F_T3DBG; | |
2619 | t3_write_reg(adapter, A_PL_INT_CAUSE0, F_T3DBG); | |
2620 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2621 | adapter->slow_intr_mask); | |
2622 | } | |
2623 | spin_unlock_irq(&adapter->work_lock); | |
2624 | } | |
2625 | ||
2626 | /* | |
2627 | * Interrupt-context handler for external (PHY) interrupts. | |
2628 | */ | |
2629 | void t3_os_ext_intr_handler(struct adapter *adapter) | |
2630 | { | |
2631 | /* | |
2632 | * Schedule a task to handle external interrupts as they may be slow | |
2633 | * and we use a mutex to protect MDIO registers. We disable PHY | |
2634 | * interrupts in the meantime and let the task reenable them when | |
2635 | * it's done. | |
2636 | */ | |
2637 | spin_lock(&adapter->work_lock); | |
2638 | if (adapter->slow_intr_mask) { | |
2639 | adapter->slow_intr_mask &= ~F_T3DBG; | |
2640 | t3_write_reg(adapter, A_PL_INT_ENABLE0, | |
2641 | adapter->slow_intr_mask); | |
2642 | queue_work(cxgb3_wq, &adapter->ext_intr_handler_task); | |
2643 | } | |
2644 | spin_unlock(&adapter->work_lock); | |
2645 | } | |
2646 | ||
bf792094 DLR |
2647 | void t3_os_link_fault_handler(struct adapter *adapter, int port_id) |
2648 | { | |
2649 | struct net_device *netdev = adapter->port[port_id]; | |
2650 | struct port_info *pi = netdev_priv(netdev); | |
2651 | ||
2652 | spin_lock(&adapter->work_lock); | |
2653 | pi->link_fault = 1; | |
bf792094 DLR |
2654 | spin_unlock(&adapter->work_lock); |
2655 | } | |
2656 | ||
20d3fc11 DLR |
2657 | static int t3_adapter_error(struct adapter *adapter, int reset) |
2658 | { | |
2659 | int i, ret = 0; | |
2660 | ||
cb0bc205 DLR |
2661 | if (is_offload(adapter) && |
2662 | test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { | |
2663 | cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_DOWN, 0); | |
2664 | offload_close(&adapter->tdev); | |
2665 | } | |
2666 | ||
20d3fc11 DLR |
2667 | /* Stop all ports */ |
2668 | for_each_port(adapter, i) { | |
2669 | struct net_device *netdev = adapter->port[i]; | |
2670 | ||
2671 | if (netif_running(netdev)) | |
2672 | cxgb_close(netdev); | |
2673 | } | |
2674 | ||
20d3fc11 DLR |
2675 | /* Stop SGE timers */ |
2676 | t3_stop_sge_timers(adapter); | |
2677 | ||
2678 | adapter->flags &= ~FULL_INIT_DONE; | |
2679 | ||
2680 | if (reset) | |
2681 | ret = t3_reset_adapter(adapter); | |
2682 | ||
2683 | pci_disable_device(adapter->pdev); | |
2684 | ||
2685 | return ret; | |
2686 | } | |
2687 | ||
2688 | static int t3_reenable_adapter(struct adapter *adapter) | |
2689 | { | |
2690 | if (pci_enable_device(adapter->pdev)) { | |
2691 | dev_err(&adapter->pdev->dev, | |
2692 | "Cannot re-enable PCI device after reset.\n"); | |
2693 | goto err; | |
2694 | } | |
2695 | pci_set_master(adapter->pdev); | |
2696 | pci_restore_state(adapter->pdev); | |
2697 | ||
2698 | /* Free sge resources */ | |
2699 | t3_free_sge_resources(adapter); | |
2700 | ||
2701 | if (t3_replay_prep_adapter(adapter)) | |
2702 | goto err; | |
2703 | ||
2704 | return 0; | |
2705 | err: | |
2706 | return -1; | |
2707 | } | |
2708 | ||
2709 | static void t3_resume_ports(struct adapter *adapter) | |
2710 | { | |
2711 | int i; | |
2712 | ||
2713 | /* Restart the ports */ | |
2714 | for_each_port(adapter, i) { | |
2715 | struct net_device *netdev = adapter->port[i]; | |
2716 | ||
2717 | if (netif_running(netdev)) { | |
2718 | if (cxgb_open(netdev)) { | |
2719 | dev_err(&adapter->pdev->dev, | |
2720 | "can't bring device back up" | |
2721 | " after reset\n"); | |
2722 | continue; | |
2723 | } | |
2724 | } | |
2725 | } | |
cb0bc205 DLR |
2726 | |
2727 | if (is_offload(adapter) && !ofld_disable) | |
2728 | cxgb3_err_notify(&adapter->tdev, OFFLOAD_STATUS_UP, 0); | |
20d3fc11 DLR |
2729 | } |
2730 | ||
2731 | /* | |
2732 | * processes a fatal error. | |
2733 | * Bring the ports down, reset the chip, bring the ports back up. | |
2734 | */ | |
2735 | static void fatal_error_task(struct work_struct *work) | |
2736 | { | |
2737 | struct adapter *adapter = container_of(work, struct adapter, | |
2738 | fatal_error_handler_task); | |
2739 | int err = 0; | |
2740 | ||
2741 | rtnl_lock(); | |
2742 | err = t3_adapter_error(adapter, 1); | |
2743 | if (!err) | |
2744 | err = t3_reenable_adapter(adapter); | |
2745 | if (!err) | |
2746 | t3_resume_ports(adapter); | |
2747 | ||
2748 | CH_ALERT(adapter, "adapter reset %s\n", err ? "failed" : "succeeded"); | |
2749 | rtnl_unlock(); | |
2750 | } | |
2751 | ||
4d22de3e DLR |
2752 | void t3_fatal_err(struct adapter *adapter) |
2753 | { | |
2754 | unsigned int fw_status[4]; | |
2755 | ||
2756 | if (adapter->flags & FULL_INIT_DONE) { | |
2757 | t3_sge_stop(adapter); | |
c64c2eae DLR |
2758 | t3_write_reg(adapter, A_XGM_TX_CTRL, 0); |
2759 | t3_write_reg(adapter, A_XGM_RX_CTRL, 0); | |
2760 | t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0); | |
2761 | t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0); | |
20d3fc11 DLR |
2762 | |
2763 | spin_lock(&adapter->work_lock); | |
4d22de3e | 2764 | t3_intr_disable(adapter); |
20d3fc11 DLR |
2765 | queue_work(cxgb3_wq, &adapter->fatal_error_handler_task); |
2766 | spin_unlock(&adapter->work_lock); | |
4d22de3e DLR |
2767 | } |
2768 | CH_ALERT(adapter, "encountered fatal error, operation suspended\n"); | |
2769 | if (!t3_cim_ctl_blk_read(adapter, 0xa0, 4, fw_status)) | |
2770 | CH_ALERT(adapter, "FW status: 0x%x, 0x%x, 0x%x, 0x%x\n", | |
2771 | fw_status[0], fw_status[1], | |
2772 | fw_status[2], fw_status[3]); | |
4d22de3e DLR |
2773 | } |
2774 | ||
91a6b50c DLR |
2775 | /** |
2776 | * t3_io_error_detected - called when PCI error is detected | |
2777 | * @pdev: Pointer to PCI device | |
2778 | * @state: The current pci connection state | |
2779 | * | |
2780 | * This function is called after a PCI bus error affecting | |
2781 | * this device has been detected. | |
2782 | */ | |
2783 | static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, | |
2784 | pci_channel_state_t state) | |
2785 | { | |
bc4b6b52 | 2786 | struct adapter *adapter = pci_get_drvdata(pdev); |
20d3fc11 | 2787 | int ret; |
91a6b50c | 2788 | |
e8d19370 DLR |
2789 | if (state == pci_channel_io_perm_failure) |
2790 | return PCI_ERS_RESULT_DISCONNECT; | |
2791 | ||
20d3fc11 | 2792 | ret = t3_adapter_error(adapter, 0); |
91a6b50c | 2793 | |
48c4b6db | 2794 | /* Request a slot reset. */ |
91a6b50c DLR |
2795 | return PCI_ERS_RESULT_NEED_RESET; |
2796 | } | |
2797 | ||
2798 | /** | |
2799 | * t3_io_slot_reset - called after the pci bus has been reset. | |
2800 | * @pdev: Pointer to PCI device | |
2801 | * | |
2802 | * Restart the card from scratch, as if from a cold-boot. | |
2803 | */ | |
2804 | static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) | |
2805 | { | |
bc4b6b52 | 2806 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 2807 | |
20d3fc11 DLR |
2808 | if (!t3_reenable_adapter(adapter)) |
2809 | return PCI_ERS_RESULT_RECOVERED; | |
91a6b50c | 2810 | |
48c4b6db | 2811 | return PCI_ERS_RESULT_DISCONNECT; |
91a6b50c DLR |
2812 | } |
2813 | ||
2814 | /** | |
2815 | * t3_io_resume - called when traffic can start flowing again. | |
2816 | * @pdev: Pointer to PCI device | |
2817 | * | |
2818 | * This callback is called when the error recovery driver tells us that | |
2819 | * its OK to resume normal operation. | |
2820 | */ | |
2821 | static void t3_io_resume(struct pci_dev *pdev) | |
2822 | { | |
bc4b6b52 | 2823 | struct adapter *adapter = pci_get_drvdata(pdev); |
91a6b50c | 2824 | |
68f40c10 DLR |
2825 | CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", |
2826 | t3_read_reg(adapter, A_PCIE_PEX_ERR)); | |
2827 | ||
20d3fc11 | 2828 | t3_resume_ports(adapter); |
91a6b50c DLR |
2829 | } |
2830 | ||
2831 | static struct pci_error_handlers t3_err_handler = { | |
2832 | .error_detected = t3_io_error_detected, | |
2833 | .slot_reset = t3_io_slot_reset, | |
2834 | .resume = t3_io_resume, | |
2835 | }; | |
2836 | ||
8c263761 DLR |
2837 | /* |
2838 | * Set the number of qsets based on the number of CPUs and the number of ports, | |
2839 | * not to exceed the number of available qsets, assuming there are enough qsets | |
2840 | * per port in HW. | |
2841 | */ | |
2842 | static void set_nqsets(struct adapter *adap) | |
2843 | { | |
2844 | int i, j = 0; | |
2845 | int num_cpus = num_online_cpus(); | |
2846 | int hwports = adap->params.nports; | |
5cda9364 | 2847 | int nqsets = adap->msix_nvectors - 1; |
8c263761 | 2848 | |
f9ee3882 | 2849 | if (adap->params.rev > 0 && adap->flags & USING_MSIX) { |
8c263761 DLR |
2850 | if (hwports == 2 && |
2851 | (hwports * nqsets > SGE_QSETS || | |
2852 | num_cpus >= nqsets / hwports)) | |
2853 | nqsets /= hwports; | |
2854 | if (nqsets > num_cpus) | |
2855 | nqsets = num_cpus; | |
2856 | if (nqsets < 1 || hwports == 4) | |
2857 | nqsets = 1; | |
2858 | } else | |
2859 | nqsets = 1; | |
2860 | ||
2861 | for_each_port(adap, i) { | |
2862 | struct port_info *pi = adap2pinfo(adap, i); | |
2863 | ||
2864 | pi->first_qset = j; | |
2865 | pi->nqsets = nqsets; | |
2866 | j = pi->first_qset + nqsets; | |
2867 | ||
2868 | dev_info(&adap->pdev->dev, | |
2869 | "Port %d using %d queue sets.\n", i, nqsets); | |
2870 | } | |
2871 | } | |
2872 | ||
4d22de3e DLR |
2873 | static int __devinit cxgb_enable_msix(struct adapter *adap) |
2874 | { | |
2875 | struct msix_entry entries[SGE_QSETS + 1]; | |
5cda9364 | 2876 | int vectors; |
4d22de3e DLR |
2877 | int i, err; |
2878 | ||
5cda9364 DLR |
2879 | vectors = ARRAY_SIZE(entries); |
2880 | for (i = 0; i < vectors; ++i) | |
4d22de3e DLR |
2881 | entries[i].entry = i; |
2882 | ||
5cda9364 DLR |
2883 | while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0) |
2884 | vectors = err; | |
2885 | ||
2c2f409f DLR |
2886 | if (err < 0) |
2887 | pci_disable_msix(adap->pdev); | |
2888 | ||
2889 | if (!err && vectors < (adap->params.nports + 1)) { | |
2890 | pci_disable_msix(adap->pdev); | |
5cda9364 | 2891 | err = -1; |
2c2f409f | 2892 | } |
5cda9364 | 2893 | |
4d22de3e | 2894 | if (!err) { |
5cda9364 | 2895 | for (i = 0; i < vectors; ++i) |
4d22de3e | 2896 | adap->msix_info[i].vec = entries[i].vector; |
5cda9364 DLR |
2897 | adap->msix_nvectors = vectors; |
2898 | } | |
2899 | ||
4d22de3e DLR |
2900 | return err; |
2901 | } | |
2902 | ||
2903 | static void __devinit print_port_info(struct adapter *adap, | |
2904 | const struct adapter_info *ai) | |
2905 | { | |
2906 | static const char *pci_variant[] = { | |
2907 | "PCI", "PCI-X", "PCI-X ECC", "PCI-X 266", "PCI Express" | |
2908 | }; | |
2909 | ||
2910 | int i; | |
2911 | char buf[80]; | |
2912 | ||
2913 | if (is_pcie(adap)) | |
2914 | snprintf(buf, sizeof(buf), "%s x%d", | |
2915 | pci_variant[adap->params.pci.variant], | |
2916 | adap->params.pci.width); | |
2917 | else | |
2918 | snprintf(buf, sizeof(buf), "%s %dMHz/%d-bit", | |
2919 | pci_variant[adap->params.pci.variant], | |
2920 | adap->params.pci.speed, adap->params.pci.width); | |
2921 | ||
2922 | for_each_port(adap, i) { | |
2923 | struct net_device *dev = adap->port[i]; | |
2924 | const struct port_info *pi = netdev_priv(dev); | |
2925 | ||
2926 | if (!test_bit(i, &adap->registered_device_map)) | |
2927 | continue; | |
8ac3ba68 | 2928 | printk(KERN_INFO "%s: %s %s %sNIC (rev %d) %s%s\n", |
04497982 | 2929 | dev->name, ai->desc, pi->phy.desc, |
8ac3ba68 | 2930 | is_offload(adap) ? "R" : "", adap->params.rev, buf, |
4d22de3e DLR |
2931 | (adap->flags & USING_MSIX) ? " MSI-X" : |
2932 | (adap->flags & USING_MSI) ? " MSI" : ""); | |
2933 | if (adap->name == dev->name && adap->params.vpd.mclk) | |
167cdf5f DLR |
2934 | printk(KERN_INFO |
2935 | "%s: %uMB CM, %uMB PMTX, %uMB PMRX, S/N: %s\n", | |
4d22de3e DLR |
2936 | adap->name, t3_mc7_size(&adap->cm) >> 20, |
2937 | t3_mc7_size(&adap->pmtx) >> 20, | |
167cdf5f DLR |
2938 | t3_mc7_size(&adap->pmrx) >> 20, |
2939 | adap->params.vpd.sn); | |
4d22de3e DLR |
2940 | } |
2941 | } | |
2942 | ||
dd752696 SH |
2943 | static const struct net_device_ops cxgb_netdev_ops = { |
2944 | .ndo_open = cxgb_open, | |
2945 | .ndo_stop = cxgb_close, | |
43a944f3 | 2946 | .ndo_start_xmit = t3_eth_xmit, |
dd752696 SH |
2947 | .ndo_get_stats = cxgb_get_stats, |
2948 | .ndo_validate_addr = eth_validate_addr, | |
2949 | .ndo_set_multicast_list = cxgb_set_rxmode, | |
2950 | .ndo_do_ioctl = cxgb_ioctl, | |
2951 | .ndo_change_mtu = cxgb_change_mtu, | |
2952 | .ndo_set_mac_address = cxgb_set_mac_addr, | |
2953 | .ndo_vlan_rx_register = vlan_rx_register, | |
2954 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2955 | .ndo_poll_controller = cxgb_netpoll, | |
2956 | #endif | |
2957 | }; | |
2958 | ||
4d22de3e DLR |
2959 | static int __devinit init_one(struct pci_dev *pdev, |
2960 | const struct pci_device_id *ent) | |
2961 | { | |
2962 | static int version_printed; | |
2963 | ||
2964 | int i, err, pci_using_dac = 0; | |
68f40c10 | 2965 | resource_size_t mmio_start, mmio_len; |
4d22de3e DLR |
2966 | const struct adapter_info *ai; |
2967 | struct adapter *adapter = NULL; | |
2968 | struct port_info *pi; | |
2969 | ||
2970 | if (!version_printed) { | |
2971 | printk(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); | |
2972 | ++version_printed; | |
2973 | } | |
2974 | ||
2975 | if (!cxgb3_wq) { | |
2976 | cxgb3_wq = create_singlethread_workqueue(DRV_NAME); | |
2977 | if (!cxgb3_wq) { | |
2978 | printk(KERN_ERR DRV_NAME | |
2979 | ": cannot initialize work queue\n"); | |
2980 | return -ENOMEM; | |
2981 | } | |
2982 | } | |
2983 | ||
2984 | err = pci_request_regions(pdev, DRV_NAME); | |
2985 | if (err) { | |
2986 | /* Just info, some other driver may have claimed the device. */ | |
2987 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); | |
2988 | return err; | |
2989 | } | |
2990 | ||
2991 | err = pci_enable_device(pdev); | |
2992 | if (err) { | |
2993 | dev_err(&pdev->dev, "cannot enable PCI device\n"); | |
2994 | goto out_release_regions; | |
2995 | } | |
2996 | ||
6a35528a | 2997 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
4d22de3e | 2998 | pci_using_dac = 1; |
6a35528a | 2999 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
4d22de3e DLR |
3000 | if (err) { |
3001 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " | |
3002 | "coherent allocations\n"); | |
3003 | goto out_disable_device; | |
3004 | } | |
284901a9 | 3005 | } else if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) != 0) { |
4d22de3e DLR |
3006 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
3007 | goto out_disable_device; | |
3008 | } | |
3009 | ||
3010 | pci_set_master(pdev); | |
204e2f98 | 3011 | pci_save_state(pdev); |
4d22de3e DLR |
3012 | |
3013 | mmio_start = pci_resource_start(pdev, 0); | |
3014 | mmio_len = pci_resource_len(pdev, 0); | |
3015 | ai = t3_get_adapter_info(ent->driver_data); | |
3016 | ||
3017 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); | |
3018 | if (!adapter) { | |
3019 | err = -ENOMEM; | |
3020 | goto out_disable_device; | |
3021 | } | |
3022 | ||
3023 | adapter->regs = ioremap_nocache(mmio_start, mmio_len); | |
3024 | if (!adapter->regs) { | |
3025 | dev_err(&pdev->dev, "cannot map device registers\n"); | |
3026 | err = -ENOMEM; | |
3027 | goto out_free_adapter; | |
3028 | } | |
3029 | ||
3030 | adapter->pdev = pdev; | |
3031 | adapter->name = pci_name(pdev); | |
3032 | adapter->msg_enable = dflt_msg_enable; | |
3033 | adapter->mmio_len = mmio_len; | |
3034 | ||
3035 | mutex_init(&adapter->mdio_lock); | |
3036 | spin_lock_init(&adapter->work_lock); | |
3037 | spin_lock_init(&adapter->stats_lock); | |
3038 | ||
3039 | INIT_LIST_HEAD(&adapter->adapter_list); | |
3040 | INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task); | |
20d3fc11 | 3041 | INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task); |
4d22de3e DLR |
3042 | INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task); |
3043 | ||
952cdf33 | 3044 | for (i = 0; i < ai->nports0 + ai->nports1; ++i) { |
4d22de3e DLR |
3045 | struct net_device *netdev; |
3046 | ||
82ad3329 | 3047 | netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS); |
4d22de3e DLR |
3048 | if (!netdev) { |
3049 | err = -ENOMEM; | |
3050 | goto out_free_dev; | |
3051 | } | |
3052 | ||
4d22de3e DLR |
3053 | SET_NETDEV_DEV(netdev, &pdev->dev); |
3054 | ||
3055 | adapter->port[i] = netdev; | |
3056 | pi = netdev_priv(netdev); | |
5fbf816f | 3057 | pi->adapter = adapter; |
47fd23fe | 3058 | pi->rx_offload = T3_RX_CSUM | T3_LRO; |
4d22de3e DLR |
3059 | pi->port_id = i; |
3060 | netif_carrier_off(netdev); | |
82ad3329 | 3061 | netif_tx_stop_all_queues(netdev); |
4d22de3e DLR |
3062 | netdev->irq = pdev->irq; |
3063 | netdev->mem_start = mmio_start; | |
3064 | netdev->mem_end = mmio_start + mmio_len - 1; | |
4d22de3e | 3065 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; |
7be2df45 | 3066 | netdev->features |= NETIF_F_GRO; |
4d22de3e DLR |
3067 | if (pci_using_dac) |
3068 | netdev->features |= NETIF_F_HIGHDMA; | |
3069 | ||
3070 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
dd752696 | 3071 | netdev->netdev_ops = &cxgb_netdev_ops; |
4d22de3e DLR |
3072 | SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops); |
3073 | } | |
3074 | ||
5fbf816f | 3075 | pci_set_drvdata(pdev, adapter); |
4d22de3e DLR |
3076 | if (t3_prep_adapter(adapter, ai, 1) < 0) { |
3077 | err = -ENODEV; | |
3078 | goto out_free_dev; | |
3079 | } | |
2eab17ab | 3080 | |
4d22de3e DLR |
3081 | /* |
3082 | * The card is now ready to go. If any errors occur during device | |
3083 | * registration we do not fail the whole card but rather proceed only | |
3084 | * with the ports we manage to register successfully. However we must | |
3085 | * register at least one net device. | |
3086 | */ | |
3087 | for_each_port(adapter, i) { | |
3088 | err = register_netdev(adapter->port[i]); | |
3089 | if (err) | |
3090 | dev_warn(&pdev->dev, | |
3091 | "cannot register net device %s, skipping\n", | |
3092 | adapter->port[i]->name); | |
3093 | else { | |
3094 | /* | |
3095 | * Change the name we use for messages to the name of | |
3096 | * the first successfully registered interface. | |
3097 | */ | |
3098 | if (!adapter->registered_device_map) | |
3099 | adapter->name = adapter->port[i]->name; | |
3100 | ||
3101 | __set_bit(i, &adapter->registered_device_map); | |
3102 | } | |
3103 | } | |
3104 | if (!adapter->registered_device_map) { | |
3105 | dev_err(&pdev->dev, "could not register any net devices\n"); | |
3106 | goto out_free_dev; | |
3107 | } | |
3108 | ||
3109 | /* Driver's ready. Reflect it on LEDs */ | |
3110 | t3_led_ready(adapter); | |
3111 | ||
3112 | if (is_offload(adapter)) { | |
3113 | __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); | |
3114 | cxgb3_adapter_ofld(adapter); | |
3115 | } | |
3116 | ||
3117 | /* See what interrupts we'll be using */ | |
3118 | if (msi > 1 && cxgb_enable_msix(adapter) == 0) | |
3119 | adapter->flags |= USING_MSIX; | |
3120 | else if (msi > 0 && pci_enable_msi(pdev) == 0) | |
3121 | adapter->flags |= USING_MSI; | |
3122 | ||
8c263761 DLR |
3123 | set_nqsets(adapter); |
3124 | ||
0ee8d33c | 3125 | err = sysfs_create_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
3126 | &cxgb3_attr_group); |
3127 | ||
3128 | print_port_info(adapter, ai); | |
3129 | return 0; | |
3130 | ||
3131 | out_free_dev: | |
3132 | iounmap(adapter->regs); | |
952cdf33 | 3133 | for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i) |
4d22de3e DLR |
3134 | if (adapter->port[i]) |
3135 | free_netdev(adapter->port[i]); | |
3136 | ||
3137 | out_free_adapter: | |
3138 | kfree(adapter); | |
3139 | ||
3140 | out_disable_device: | |
3141 | pci_disable_device(pdev); | |
3142 | out_release_regions: | |
3143 | pci_release_regions(pdev); | |
3144 | pci_set_drvdata(pdev, NULL); | |
3145 | return err; | |
3146 | } | |
3147 | ||
3148 | static void __devexit remove_one(struct pci_dev *pdev) | |
3149 | { | |
5fbf816f | 3150 | struct adapter *adapter = pci_get_drvdata(pdev); |
4d22de3e | 3151 | |
5fbf816f | 3152 | if (adapter) { |
4d22de3e | 3153 | int i; |
4d22de3e DLR |
3154 | |
3155 | t3_sge_stop(adapter); | |
0ee8d33c | 3156 | sysfs_remove_group(&adapter->port[0]->dev.kobj, |
4d22de3e DLR |
3157 | &cxgb3_attr_group); |
3158 | ||
4d22de3e DLR |
3159 | if (is_offload(adapter)) { |
3160 | cxgb3_adapter_unofld(adapter); | |
3161 | if (test_bit(OFFLOAD_DEVMAP_BIT, | |
3162 | &adapter->open_device_map)) | |
3163 | offload_close(&adapter->tdev); | |
3164 | } | |
3165 | ||
67d92ab7 DLR |
3166 | for_each_port(adapter, i) |
3167 | if (test_bit(i, &adapter->registered_device_map)) | |
3168 | unregister_netdev(adapter->port[i]); | |
3169 | ||
0ca41c04 | 3170 | t3_stop_sge_timers(adapter); |
4d22de3e DLR |
3171 | t3_free_sge_resources(adapter); |
3172 | cxgb_disable_msi(adapter); | |
3173 | ||
4d22de3e DLR |
3174 | for_each_port(adapter, i) |
3175 | if (adapter->port[i]) | |
3176 | free_netdev(adapter->port[i]); | |
3177 | ||
3178 | iounmap(adapter->regs); | |
3179 | kfree(adapter); | |
3180 | pci_release_regions(pdev); | |
3181 | pci_disable_device(pdev); | |
3182 | pci_set_drvdata(pdev, NULL); | |
3183 | } | |
3184 | } | |
3185 | ||
3186 | static struct pci_driver driver = { | |
3187 | .name = DRV_NAME, | |
3188 | .id_table = cxgb3_pci_tbl, | |
3189 | .probe = init_one, | |
3190 | .remove = __devexit_p(remove_one), | |
91a6b50c | 3191 | .err_handler = &t3_err_handler, |
4d22de3e DLR |
3192 | }; |
3193 | ||
3194 | static int __init cxgb3_init_module(void) | |
3195 | { | |
3196 | int ret; | |
3197 | ||
3198 | cxgb3_offload_init(); | |
3199 | ||
3200 | ret = pci_register_driver(&driver); | |
3201 | return ret; | |
3202 | } | |
3203 | ||
3204 | static void __exit cxgb3_cleanup_module(void) | |
3205 | { | |
3206 | pci_unregister_driver(&driver); | |
3207 | if (cxgb3_wq) | |
3208 | destroy_workqueue(cxgb3_wq); | |
3209 | } | |
3210 | ||
3211 | module_init(cxgb3_init_module); | |
3212 | module_exit(cxgb3_cleanup_module); |