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b8ff05a9 DM |
1 | /* |
2 | * This file is part of the Chelsio T4 Ethernet driver for Linux. | |
3 | * | |
4 | * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved. | |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
35 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
36 | ||
37 | #include <linux/bitmap.h> | |
38 | #include <linux/crc32.h> | |
39 | #include <linux/ctype.h> | |
40 | #include <linux/debugfs.h> | |
41 | #include <linux/err.h> | |
42 | #include <linux/etherdevice.h> | |
43 | #include <linux/firmware.h> | |
01789349 | 44 | #include <linux/if.h> |
b8ff05a9 DM |
45 | #include <linux/if_vlan.h> |
46 | #include <linux/init.h> | |
47 | #include <linux/log2.h> | |
48 | #include <linux/mdio.h> | |
49 | #include <linux/module.h> | |
50 | #include <linux/moduleparam.h> | |
51 | #include <linux/mutex.h> | |
52 | #include <linux/netdevice.h> | |
53 | #include <linux/pci.h> | |
54 | #include <linux/aer.h> | |
55 | #include <linux/rtnetlink.h> | |
56 | #include <linux/sched.h> | |
57 | #include <linux/seq_file.h> | |
58 | #include <linux/sockios.h> | |
59 | #include <linux/vmalloc.h> | |
60 | #include <linux/workqueue.h> | |
61 | #include <net/neighbour.h> | |
62 | #include <net/netevent.h> | |
63 | #include <asm/uaccess.h> | |
64 | ||
65 | #include "cxgb4.h" | |
66 | #include "t4_regs.h" | |
67 | #include "t4_msg.h" | |
68 | #include "t4fw_api.h" | |
69 | #include "l2t.h" | |
70 | ||
3a7f8554 SR |
71 | #define DRV_VERSION "2.0.0-ko" |
72 | #define DRV_DESC "Chelsio T4/T5 Network Driver" | |
b8ff05a9 DM |
73 | |
74 | /* | |
75 | * Max interrupt hold-off timer value in us. Queues fall back to this value | |
76 | * under extreme memory pressure so it's largish to give the system time to | |
77 | * recover. | |
78 | */ | |
79 | #define MAX_SGE_TIMERVAL 200U | |
80 | ||
7ee9ff94 | 81 | enum { |
13ee15d3 VP |
82 | /* |
83 | * Physical Function provisioning constants. | |
84 | */ | |
85 | PFRES_NVI = 4, /* # of Virtual Interfaces */ | |
86 | PFRES_NETHCTRL = 128, /* # of EQs used for ETH or CTRL Qs */ | |
87 | PFRES_NIQFLINT = 128, /* # of ingress Qs/w Free List(s)/intr | |
88 | */ | |
89 | PFRES_NEQ = 256, /* # of egress queues */ | |
90 | PFRES_NIQ = 0, /* # of ingress queues */ | |
91 | PFRES_TC = 0, /* PCI-E traffic class */ | |
92 | PFRES_NEXACTF = 128, /* # of exact MPS filters */ | |
93 | ||
94 | PFRES_R_CAPS = FW_CMD_CAP_PF, | |
95 | PFRES_WX_CAPS = FW_CMD_CAP_PF, | |
96 | ||
97 | #ifdef CONFIG_PCI_IOV | |
98 | /* | |
99 | * Virtual Function provisioning constants. We need two extra Ingress | |
100 | * Queues with Interrupt capability to serve as the VF's Firmware | |
101 | * Event Queue and Forwarded Interrupt Queue (when using MSI mode) -- | |
102 | * neither will have Free Lists associated with them). For each | |
103 | * Ethernet/Control Egress Queue and for each Free List, we need an | |
104 | * Egress Context. | |
105 | */ | |
7ee9ff94 CL |
106 | VFRES_NPORTS = 1, /* # of "ports" per VF */ |
107 | VFRES_NQSETS = 2, /* # of "Queue Sets" per VF */ | |
108 | ||
109 | VFRES_NVI = VFRES_NPORTS, /* # of Virtual Interfaces */ | |
110 | VFRES_NETHCTRL = VFRES_NQSETS, /* # of EQs used for ETH or CTRL Qs */ | |
111 | VFRES_NIQFLINT = VFRES_NQSETS+2,/* # of ingress Qs/w Free List(s)/intr */ | |
7ee9ff94 | 112 | VFRES_NEQ = VFRES_NQSETS*2, /* # of egress queues */ |
13ee15d3 | 113 | VFRES_NIQ = 0, /* # of non-fl/int ingress queues */ |
7ee9ff94 CL |
114 | VFRES_TC = 0, /* PCI-E traffic class */ |
115 | VFRES_NEXACTF = 16, /* # of exact MPS filters */ | |
116 | ||
117 | VFRES_R_CAPS = FW_CMD_CAP_DMAQ|FW_CMD_CAP_VF|FW_CMD_CAP_PORT, | |
118 | VFRES_WX_CAPS = FW_CMD_CAP_DMAQ|FW_CMD_CAP_VF, | |
13ee15d3 | 119 | #endif |
7ee9ff94 CL |
120 | }; |
121 | ||
122 | /* | |
123 | * Provide a Port Access Rights Mask for the specified PF/VF. This is very | |
124 | * static and likely not to be useful in the long run. We really need to | |
125 | * implement some form of persistent configuration which the firmware | |
126 | * controls. | |
127 | */ | |
128 | static unsigned int pfvfres_pmask(struct adapter *adapter, | |
129 | unsigned int pf, unsigned int vf) | |
130 | { | |
131 | unsigned int portn, portvec; | |
132 | ||
133 | /* | |
134 | * Give PF's access to all of the ports. | |
135 | */ | |
136 | if (vf == 0) | |
137 | return FW_PFVF_CMD_PMASK_MASK; | |
138 | ||
139 | /* | |
140 | * For VFs, we'll assign them access to the ports based purely on the | |
141 | * PF. We assign active ports in order, wrapping around if there are | |
142 | * fewer active ports than PFs: e.g. active port[pf % nports]. | |
143 | * Unfortunately the adapter's port_info structs haven't been | |
144 | * initialized yet so we have to compute this. | |
145 | */ | |
146 | if (adapter->params.nports == 0) | |
147 | return 0; | |
148 | ||
149 | portn = pf % adapter->params.nports; | |
150 | portvec = adapter->params.portvec; | |
151 | for (;;) { | |
152 | /* | |
153 | * Isolate the lowest set bit in the port vector. If we're at | |
154 | * the port number that we want, return that as the pmask. | |
155 | * otherwise mask that bit out of the port vector and | |
156 | * decrement our port number ... | |
157 | */ | |
158 | unsigned int pmask = portvec ^ (portvec & (portvec-1)); | |
159 | if (portn == 0) | |
160 | return pmask; | |
161 | portn--; | |
162 | portvec &= ~pmask; | |
163 | } | |
164 | /*NOTREACHED*/ | |
165 | } | |
7ee9ff94 | 166 | |
b8ff05a9 DM |
167 | enum { |
168 | MAX_TXQ_ENTRIES = 16384, | |
169 | MAX_CTRL_TXQ_ENTRIES = 1024, | |
170 | MAX_RSPQ_ENTRIES = 16384, | |
171 | MAX_RX_BUFFERS = 16384, | |
172 | MIN_TXQ_ENTRIES = 32, | |
173 | MIN_CTRL_TXQ_ENTRIES = 32, | |
174 | MIN_RSPQ_ENTRIES = 128, | |
175 | MIN_FL_ENTRIES = 16 | |
176 | }; | |
177 | ||
f2b7e78d VP |
178 | /* Host shadow copy of ingress filter entry. This is in host native format |
179 | * and doesn't match the ordering or bit order, etc. of the hardware of the | |
180 | * firmware command. The use of bit-field structure elements is purely to | |
181 | * remind ourselves of the field size limitations and save memory in the case | |
182 | * where the filter table is large. | |
183 | */ | |
184 | struct filter_entry { | |
185 | /* Administrative fields for filter. | |
186 | */ | |
187 | u32 valid:1; /* filter allocated and valid */ | |
188 | u32 locked:1; /* filter is administratively locked */ | |
189 | ||
190 | u32 pending:1; /* filter action is pending firmware reply */ | |
191 | u32 smtidx:8; /* Source MAC Table index for smac */ | |
192 | struct l2t_entry *l2t; /* Layer Two Table entry for dmac */ | |
193 | ||
194 | /* The filter itself. Most of this is a straight copy of information | |
195 | * provided by the extended ioctl(). Some fields are translated to | |
196 | * internal forms -- for instance the Ingress Queue ID passed in from | |
197 | * the ioctl() is translated into the Absolute Ingress Queue ID. | |
198 | */ | |
199 | struct ch_filter_specification fs; | |
200 | }; | |
201 | ||
b8ff05a9 DM |
202 | #define DFLT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | \ |
203 | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP |\ | |
204 | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) | |
205 | ||
060e0c75 | 206 | #define CH_DEVICE(devid, data) { PCI_VDEVICE(CHELSIO, devid), (data) } |
b8ff05a9 DM |
207 | |
208 | static DEFINE_PCI_DEVICE_TABLE(cxgb4_pci_tbl) = { | |
060e0c75 | 209 | CH_DEVICE(0xa000, 0), /* PE10K */ |
ccea790e DM |
210 | CH_DEVICE(0x4001, -1), |
211 | CH_DEVICE(0x4002, -1), | |
212 | CH_DEVICE(0x4003, -1), | |
213 | CH_DEVICE(0x4004, -1), | |
214 | CH_DEVICE(0x4005, -1), | |
215 | CH_DEVICE(0x4006, -1), | |
216 | CH_DEVICE(0x4007, -1), | |
217 | CH_DEVICE(0x4008, -1), | |
218 | CH_DEVICE(0x4009, -1), | |
219 | CH_DEVICE(0x400a, -1), | |
220 | CH_DEVICE(0x4401, 4), | |
221 | CH_DEVICE(0x4402, 4), | |
222 | CH_DEVICE(0x4403, 4), | |
223 | CH_DEVICE(0x4404, 4), | |
224 | CH_DEVICE(0x4405, 4), | |
225 | CH_DEVICE(0x4406, 4), | |
226 | CH_DEVICE(0x4407, 4), | |
227 | CH_DEVICE(0x4408, 4), | |
228 | CH_DEVICE(0x4409, 4), | |
229 | CH_DEVICE(0x440a, 4), | |
f637d577 VP |
230 | CH_DEVICE(0x440d, 4), |
231 | CH_DEVICE(0x440e, 4), | |
9616407c SR |
232 | CH_DEVICE(0x5001, 5), |
233 | CH_DEVICE(0x5002, 5), | |
234 | CH_DEVICE(0x5003, 5), | |
235 | CH_DEVICE(0x5004, 5), | |
236 | CH_DEVICE(0x5005, 5), | |
237 | CH_DEVICE(0x5006, 5), | |
238 | CH_DEVICE(0x5007, 5), | |
239 | CH_DEVICE(0x5008, 5), | |
240 | CH_DEVICE(0x5009, 5), | |
241 | CH_DEVICE(0x500A, 5), | |
242 | CH_DEVICE(0x500B, 5), | |
243 | CH_DEVICE(0x500C, 5), | |
244 | CH_DEVICE(0x500D, 5), | |
245 | CH_DEVICE(0x500E, 5), | |
246 | CH_DEVICE(0x500F, 5), | |
247 | CH_DEVICE(0x5010, 5), | |
248 | CH_DEVICE(0x5011, 5), | |
249 | CH_DEVICE(0x5012, 5), | |
250 | CH_DEVICE(0x5013, 5), | |
251 | CH_DEVICE(0x5401, 5), | |
252 | CH_DEVICE(0x5402, 5), | |
253 | CH_DEVICE(0x5403, 5), | |
254 | CH_DEVICE(0x5404, 5), | |
255 | CH_DEVICE(0x5405, 5), | |
256 | CH_DEVICE(0x5406, 5), | |
257 | CH_DEVICE(0x5407, 5), | |
258 | CH_DEVICE(0x5408, 5), | |
259 | CH_DEVICE(0x5409, 5), | |
260 | CH_DEVICE(0x540A, 5), | |
261 | CH_DEVICE(0x540B, 5), | |
262 | CH_DEVICE(0x540C, 5), | |
263 | CH_DEVICE(0x540D, 5), | |
264 | CH_DEVICE(0x540E, 5), | |
265 | CH_DEVICE(0x540F, 5), | |
266 | CH_DEVICE(0x5410, 5), | |
267 | CH_DEVICE(0x5411, 5), | |
268 | CH_DEVICE(0x5412, 5), | |
269 | CH_DEVICE(0x5413, 5), | |
b8ff05a9 DM |
270 | { 0, } |
271 | }; | |
272 | ||
273 | #define FW_FNAME "cxgb4/t4fw.bin" | |
0a57a536 | 274 | #define FW5_FNAME "cxgb4/t5fw.bin" |
636f9d37 | 275 | #define FW_CFNAME "cxgb4/t4-config.txt" |
0a57a536 | 276 | #define FW5_CFNAME "cxgb4/t5-config.txt" |
b8ff05a9 DM |
277 | |
278 | MODULE_DESCRIPTION(DRV_DESC); | |
279 | MODULE_AUTHOR("Chelsio Communications"); | |
280 | MODULE_LICENSE("Dual BSD/GPL"); | |
281 | MODULE_VERSION(DRV_VERSION); | |
282 | MODULE_DEVICE_TABLE(pci, cxgb4_pci_tbl); | |
283 | MODULE_FIRMWARE(FW_FNAME); | |
0a57a536 | 284 | MODULE_FIRMWARE(FW5_FNAME); |
b8ff05a9 | 285 | |
636f9d37 VP |
286 | /* |
287 | * Normally we're willing to become the firmware's Master PF but will be happy | |
288 | * if another PF has already become the Master and initialized the adapter. | |
289 | * Setting "force_init" will cause this driver to forcibly establish itself as | |
290 | * the Master PF and initialize the adapter. | |
291 | */ | |
292 | static uint force_init; | |
293 | ||
294 | module_param(force_init, uint, 0644); | |
295 | MODULE_PARM_DESC(force_init, "Forcibly become Master PF and initialize adapter"); | |
296 | ||
13ee15d3 VP |
297 | /* |
298 | * Normally if the firmware we connect to has Configuration File support, we | |
299 | * use that and only fall back to the old Driver-based initialization if the | |
300 | * Configuration File fails for some reason. If force_old_init is set, then | |
301 | * we'll always use the old Driver-based initialization sequence. | |
302 | */ | |
303 | static uint force_old_init; | |
304 | ||
305 | module_param(force_old_init, uint, 0644); | |
306 | MODULE_PARM_DESC(force_old_init, "Force old initialization sequence"); | |
307 | ||
b8ff05a9 DM |
308 | static int dflt_msg_enable = DFLT_MSG_ENABLE; |
309 | ||
310 | module_param(dflt_msg_enable, int, 0644); | |
311 | MODULE_PARM_DESC(dflt_msg_enable, "Chelsio T4 default message enable bitmap"); | |
312 | ||
313 | /* | |
314 | * The driver uses the best interrupt scheme available on a platform in the | |
315 | * order MSI-X, MSI, legacy INTx interrupts. This parameter determines which | |
316 | * of these schemes the driver may consider as follows: | |
317 | * | |
318 | * msi = 2: choose from among all three options | |
319 | * msi = 1: only consider MSI and INTx interrupts | |
320 | * msi = 0: force INTx interrupts | |
321 | */ | |
322 | static int msi = 2; | |
323 | ||
324 | module_param(msi, int, 0644); | |
325 | MODULE_PARM_DESC(msi, "whether to use INTx (0), MSI (1) or MSI-X (2)"); | |
326 | ||
327 | /* | |
328 | * Queue interrupt hold-off timer values. Queues default to the first of these | |
329 | * upon creation. | |
330 | */ | |
331 | static unsigned int intr_holdoff[SGE_NTIMERS - 1] = { 5, 10, 20, 50, 100 }; | |
332 | ||
333 | module_param_array(intr_holdoff, uint, NULL, 0644); | |
334 | MODULE_PARM_DESC(intr_holdoff, "values for queue interrupt hold-off timers " | |
335 | "0..4 in microseconds"); | |
336 | ||
337 | static unsigned int intr_cnt[SGE_NCOUNTERS - 1] = { 4, 8, 16 }; | |
338 | ||
339 | module_param_array(intr_cnt, uint, NULL, 0644); | |
340 | MODULE_PARM_DESC(intr_cnt, | |
341 | "thresholds 1..3 for queue interrupt packet counters"); | |
342 | ||
636f9d37 VP |
343 | /* |
344 | * Normally we tell the chip to deliver Ingress Packets into our DMA buffers | |
345 | * offset by 2 bytes in order to have the IP headers line up on 4-byte | |
346 | * boundaries. This is a requirement for many architectures which will throw | |
347 | * a machine check fault if an attempt is made to access one of the 4-byte IP | |
348 | * header fields on a non-4-byte boundary. And it's a major performance issue | |
349 | * even on some architectures which allow it like some implementations of the | |
350 | * x86 ISA. However, some architectures don't mind this and for some very | |
351 | * edge-case performance sensitive applications (like forwarding large volumes | |
352 | * of small packets), setting this DMA offset to 0 will decrease the number of | |
353 | * PCI-E Bus transfers enough to measurably affect performance. | |
354 | */ | |
355 | static int rx_dma_offset = 2; | |
356 | ||
eb939922 | 357 | static bool vf_acls; |
b8ff05a9 DM |
358 | |
359 | #ifdef CONFIG_PCI_IOV | |
360 | module_param(vf_acls, bool, 0644); | |
361 | MODULE_PARM_DESC(vf_acls, "if set enable virtualization L2 ACL enforcement"); | |
362 | ||
7d6727cf SR |
363 | /* Configure the number of PCI-E Virtual Function which are to be instantiated |
364 | * on SR-IOV Capable Physical Functions. | |
0a57a536 | 365 | */ |
7d6727cf | 366 | static unsigned int num_vf[NUM_OF_PF_WITH_SRIOV]; |
b8ff05a9 DM |
367 | |
368 | module_param_array(num_vf, uint, NULL, 0644); | |
7d6727cf | 369 | MODULE_PARM_DESC(num_vf, "number of VFs for each of PFs 0-3"); |
b8ff05a9 DM |
370 | #endif |
371 | ||
13ee15d3 VP |
372 | /* |
373 | * The filter TCAM has a fixed portion and a variable portion. The fixed | |
374 | * portion can match on source/destination IP IPv4/IPv6 addresses and TCP/UDP | |
375 | * ports. The variable portion is 36 bits which can include things like Exact | |
376 | * Match MAC Index (9 bits), Ether Type (16 bits), IP Protocol (8 bits), | |
377 | * [Inner] VLAN Tag (17 bits), etc. which, if all were somehow selected, would | |
378 | * far exceed the 36-bit budget for this "compressed" header portion of the | |
379 | * filter. Thus, we have a scarce resource which must be carefully managed. | |
380 | * | |
381 | * By default we set this up to mostly match the set of filter matching | |
382 | * capabilities of T3 but with accommodations for some of T4's more | |
383 | * interesting features: | |
384 | * | |
385 | * { IP Fragment (1), MPS Match Type (3), IP Protocol (8), | |
386 | * [Inner] VLAN (17), Port (3), FCoE (1) } | |
387 | */ | |
388 | enum { | |
389 | TP_VLAN_PRI_MAP_DEFAULT = HW_TPL_FR_MT_PR_IV_P_FC, | |
390 | TP_VLAN_PRI_MAP_FIRST = FCOE_SHIFT, | |
391 | TP_VLAN_PRI_MAP_LAST = FRAGMENTATION_SHIFT, | |
392 | }; | |
393 | ||
394 | static unsigned int tp_vlan_pri_map = TP_VLAN_PRI_MAP_DEFAULT; | |
395 | ||
f2b7e78d VP |
396 | module_param(tp_vlan_pri_map, uint, 0644); |
397 | MODULE_PARM_DESC(tp_vlan_pri_map, "global compressed filter configuration"); | |
398 | ||
b8ff05a9 DM |
399 | static struct dentry *cxgb4_debugfs_root; |
400 | ||
401 | static LIST_HEAD(adapter_list); | |
402 | static DEFINE_MUTEX(uld_mutex); | |
403 | static struct cxgb4_uld_info ulds[CXGB4_ULD_MAX]; | |
404 | static const char *uld_str[] = { "RDMA", "iSCSI" }; | |
405 | ||
406 | static void link_report(struct net_device *dev) | |
407 | { | |
408 | if (!netif_carrier_ok(dev)) | |
409 | netdev_info(dev, "link down\n"); | |
410 | else { | |
411 | static const char *fc[] = { "no", "Rx", "Tx", "Tx/Rx" }; | |
412 | ||
413 | const char *s = "10Mbps"; | |
414 | const struct port_info *p = netdev_priv(dev); | |
415 | ||
416 | switch (p->link_cfg.speed) { | |
417 | case SPEED_10000: | |
418 | s = "10Gbps"; | |
419 | break; | |
420 | case SPEED_1000: | |
421 | s = "1000Mbps"; | |
422 | break; | |
423 | case SPEED_100: | |
424 | s = "100Mbps"; | |
425 | break; | |
426 | } | |
427 | ||
428 | netdev_info(dev, "link up, %s, full-duplex, %s PAUSE\n", s, | |
429 | fc[p->link_cfg.fc]); | |
430 | } | |
431 | } | |
432 | ||
433 | void t4_os_link_changed(struct adapter *adapter, int port_id, int link_stat) | |
434 | { | |
435 | struct net_device *dev = adapter->port[port_id]; | |
436 | ||
437 | /* Skip changes from disabled ports. */ | |
438 | if (netif_running(dev) && link_stat != netif_carrier_ok(dev)) { | |
439 | if (link_stat) | |
440 | netif_carrier_on(dev); | |
441 | else | |
442 | netif_carrier_off(dev); | |
443 | ||
444 | link_report(dev); | |
445 | } | |
446 | } | |
447 | ||
448 | void t4_os_portmod_changed(const struct adapter *adap, int port_id) | |
449 | { | |
450 | static const char *mod_str[] = { | |
a0881cab | 451 | NULL, "LR", "SR", "ER", "passive DA", "active DA", "LRM" |
b8ff05a9 DM |
452 | }; |
453 | ||
454 | const struct net_device *dev = adap->port[port_id]; | |
455 | const struct port_info *pi = netdev_priv(dev); | |
456 | ||
457 | if (pi->mod_type == FW_PORT_MOD_TYPE_NONE) | |
458 | netdev_info(dev, "port module unplugged\n"); | |
a0881cab | 459 | else if (pi->mod_type < ARRAY_SIZE(mod_str)) |
b8ff05a9 DM |
460 | netdev_info(dev, "%s module inserted\n", mod_str[pi->mod_type]); |
461 | } | |
462 | ||
463 | /* | |
464 | * Configure the exact and hash address filters to handle a port's multicast | |
465 | * and secondary unicast MAC addresses. | |
466 | */ | |
467 | static int set_addr_filters(const struct net_device *dev, bool sleep) | |
468 | { | |
469 | u64 mhash = 0; | |
470 | u64 uhash = 0; | |
471 | bool free = true; | |
472 | u16 filt_idx[7]; | |
473 | const u8 *addr[7]; | |
474 | int ret, naddr = 0; | |
b8ff05a9 DM |
475 | const struct netdev_hw_addr *ha; |
476 | int uc_cnt = netdev_uc_count(dev); | |
4a35ecf8 | 477 | int mc_cnt = netdev_mc_count(dev); |
b8ff05a9 | 478 | const struct port_info *pi = netdev_priv(dev); |
060e0c75 | 479 | unsigned int mb = pi->adapter->fn; |
b8ff05a9 DM |
480 | |
481 | /* first do the secondary unicast addresses */ | |
482 | netdev_for_each_uc_addr(ha, dev) { | |
483 | addr[naddr++] = ha->addr; | |
484 | if (--uc_cnt == 0 || naddr >= ARRAY_SIZE(addr)) { | |
060e0c75 | 485 | ret = t4_alloc_mac_filt(pi->adapter, mb, pi->viid, free, |
b8ff05a9 DM |
486 | naddr, addr, filt_idx, &uhash, sleep); |
487 | if (ret < 0) | |
488 | return ret; | |
489 | ||
490 | free = false; | |
491 | naddr = 0; | |
492 | } | |
493 | } | |
494 | ||
495 | /* next set up the multicast addresses */ | |
4a35ecf8 DM |
496 | netdev_for_each_mc_addr(ha, dev) { |
497 | addr[naddr++] = ha->addr; | |
498 | if (--mc_cnt == 0 || naddr >= ARRAY_SIZE(addr)) { | |
060e0c75 | 499 | ret = t4_alloc_mac_filt(pi->adapter, mb, pi->viid, free, |
b8ff05a9 DM |
500 | naddr, addr, filt_idx, &mhash, sleep); |
501 | if (ret < 0) | |
502 | return ret; | |
503 | ||
504 | free = false; | |
505 | naddr = 0; | |
506 | } | |
507 | } | |
508 | ||
060e0c75 | 509 | return t4_set_addr_hash(pi->adapter, mb, pi->viid, uhash != 0, |
b8ff05a9 DM |
510 | uhash | mhash, sleep); |
511 | } | |
512 | ||
3069ee9b VP |
513 | int dbfifo_int_thresh = 10; /* 10 == 640 entry threshold */ |
514 | module_param(dbfifo_int_thresh, int, 0644); | |
515 | MODULE_PARM_DESC(dbfifo_int_thresh, "doorbell fifo interrupt threshold"); | |
516 | ||
404d9e3f VP |
517 | /* |
518 | * usecs to sleep while draining the dbfifo | |
519 | */ | |
520 | static int dbfifo_drain_delay = 1000; | |
3069ee9b VP |
521 | module_param(dbfifo_drain_delay, int, 0644); |
522 | MODULE_PARM_DESC(dbfifo_drain_delay, | |
523 | "usecs to sleep while draining the dbfifo"); | |
524 | ||
b8ff05a9 DM |
525 | /* |
526 | * Set Rx properties of a port, such as promiscruity, address filters, and MTU. | |
527 | * If @mtu is -1 it is left unchanged. | |
528 | */ | |
529 | static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) | |
530 | { | |
531 | int ret; | |
532 | struct port_info *pi = netdev_priv(dev); | |
533 | ||
534 | ret = set_addr_filters(dev, sleep_ok); | |
535 | if (ret == 0) | |
060e0c75 | 536 | ret = t4_set_rxmode(pi->adapter, pi->adapter->fn, pi->viid, mtu, |
b8ff05a9 | 537 | (dev->flags & IFF_PROMISC) ? 1 : 0, |
f8f5aafa | 538 | (dev->flags & IFF_ALLMULTI) ? 1 : 0, 1, -1, |
b8ff05a9 DM |
539 | sleep_ok); |
540 | return ret; | |
541 | } | |
542 | ||
3069ee9b VP |
543 | static struct workqueue_struct *workq; |
544 | ||
b8ff05a9 DM |
545 | /** |
546 | * link_start - enable a port | |
547 | * @dev: the port to enable | |
548 | * | |
549 | * Performs the MAC and PHY actions needed to enable a port. | |
550 | */ | |
551 | static int link_start(struct net_device *dev) | |
552 | { | |
553 | int ret; | |
554 | struct port_info *pi = netdev_priv(dev); | |
060e0c75 | 555 | unsigned int mb = pi->adapter->fn; |
b8ff05a9 DM |
556 | |
557 | /* | |
558 | * We do not set address filters and promiscuity here, the stack does | |
559 | * that step explicitly. | |
560 | */ | |
060e0c75 | 561 | ret = t4_set_rxmode(pi->adapter, mb, pi->viid, dev->mtu, -1, -1, -1, |
19ecae2c | 562 | !!(dev->features & NETIF_F_HW_VLAN_RX), true); |
b8ff05a9 | 563 | if (ret == 0) { |
060e0c75 | 564 | ret = t4_change_mac(pi->adapter, mb, pi->viid, |
b8ff05a9 | 565 | pi->xact_addr_filt, dev->dev_addr, true, |
b6bd29e7 | 566 | true); |
b8ff05a9 DM |
567 | if (ret >= 0) { |
568 | pi->xact_addr_filt = ret; | |
569 | ret = 0; | |
570 | } | |
571 | } | |
572 | if (ret == 0) | |
060e0c75 DM |
573 | ret = t4_link_start(pi->adapter, mb, pi->tx_chan, |
574 | &pi->link_cfg); | |
b8ff05a9 | 575 | if (ret == 0) |
060e0c75 | 576 | ret = t4_enable_vi(pi->adapter, mb, pi->viid, true, true); |
b8ff05a9 DM |
577 | return ret; |
578 | } | |
579 | ||
f2b7e78d VP |
580 | /* Clear a filter and release any of its resources that we own. This also |
581 | * clears the filter's "pending" status. | |
582 | */ | |
583 | static void clear_filter(struct adapter *adap, struct filter_entry *f) | |
584 | { | |
585 | /* If the new or old filter have loopback rewriteing rules then we'll | |
586 | * need to free any existing Layer Two Table (L2T) entries of the old | |
587 | * filter rule. The firmware will handle freeing up any Source MAC | |
588 | * Table (SMT) entries used for rewriting Source MAC Addresses in | |
589 | * loopback rules. | |
590 | */ | |
591 | if (f->l2t) | |
592 | cxgb4_l2t_release(f->l2t); | |
593 | ||
594 | /* The zeroing of the filter rule below clears the filter valid, | |
595 | * pending, locked flags, l2t pointer, etc. so it's all we need for | |
596 | * this operation. | |
597 | */ | |
598 | memset(f, 0, sizeof(*f)); | |
599 | } | |
600 | ||
601 | /* Handle a filter write/deletion reply. | |
602 | */ | |
603 | static void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl) | |
604 | { | |
605 | unsigned int idx = GET_TID(rpl); | |
606 | unsigned int nidx = idx - adap->tids.ftid_base; | |
607 | unsigned int ret; | |
608 | struct filter_entry *f; | |
609 | ||
610 | if (idx >= adap->tids.ftid_base && nidx < | |
611 | (adap->tids.nftids + adap->tids.nsftids)) { | |
612 | idx = nidx; | |
613 | ret = GET_TCB_COOKIE(rpl->cookie); | |
614 | f = &adap->tids.ftid_tab[idx]; | |
615 | ||
616 | if (ret == FW_FILTER_WR_FLT_DELETED) { | |
617 | /* Clear the filter when we get confirmation from the | |
618 | * hardware that the filter has been deleted. | |
619 | */ | |
620 | clear_filter(adap, f); | |
621 | } else if (ret == FW_FILTER_WR_SMT_TBL_FULL) { | |
622 | dev_err(adap->pdev_dev, "filter %u setup failed due to full SMT\n", | |
623 | idx); | |
624 | clear_filter(adap, f); | |
625 | } else if (ret == FW_FILTER_WR_FLT_ADDED) { | |
626 | f->smtidx = (be64_to_cpu(rpl->oldval) >> 24) & 0xff; | |
627 | f->pending = 0; /* asynchronous setup completed */ | |
628 | f->valid = 1; | |
629 | } else { | |
630 | /* Something went wrong. Issue a warning about the | |
631 | * problem and clear everything out. | |
632 | */ | |
633 | dev_err(adap->pdev_dev, "filter %u setup failed with error %u\n", | |
634 | idx, ret); | |
635 | clear_filter(adap, f); | |
636 | } | |
637 | } | |
638 | } | |
639 | ||
640 | /* Response queue handler for the FW event queue. | |
b8ff05a9 DM |
641 | */ |
642 | static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp, | |
643 | const struct pkt_gl *gl) | |
644 | { | |
645 | u8 opcode = ((const struct rss_header *)rsp)->opcode; | |
646 | ||
647 | rsp++; /* skip RSS header */ | |
648 | if (likely(opcode == CPL_SGE_EGR_UPDATE)) { | |
649 | const struct cpl_sge_egr_update *p = (void *)rsp; | |
650 | unsigned int qid = EGR_QID(ntohl(p->opcode_qid)); | |
e46dab4d | 651 | struct sge_txq *txq; |
b8ff05a9 | 652 | |
e46dab4d | 653 | txq = q->adap->sge.egr_map[qid - q->adap->sge.egr_start]; |
b8ff05a9 | 654 | txq->restarts++; |
e46dab4d | 655 | if ((u8 *)txq < (u8 *)q->adap->sge.ofldtxq) { |
b8ff05a9 DM |
656 | struct sge_eth_txq *eq; |
657 | ||
658 | eq = container_of(txq, struct sge_eth_txq, q); | |
659 | netif_tx_wake_queue(eq->txq); | |
660 | } else { | |
661 | struct sge_ofld_txq *oq; | |
662 | ||
663 | oq = container_of(txq, struct sge_ofld_txq, q); | |
664 | tasklet_schedule(&oq->qresume_tsk); | |
665 | } | |
666 | } else if (opcode == CPL_FW6_MSG || opcode == CPL_FW4_MSG) { | |
667 | const struct cpl_fw6_msg *p = (void *)rsp; | |
668 | ||
669 | if (p->type == 0) | |
670 | t4_handle_fw_rpl(q->adap, p->data); | |
671 | } else if (opcode == CPL_L2T_WRITE_RPL) { | |
672 | const struct cpl_l2t_write_rpl *p = (void *)rsp; | |
673 | ||
674 | do_l2t_write_rpl(q->adap, p); | |
f2b7e78d VP |
675 | } else if (opcode == CPL_SET_TCB_RPL) { |
676 | const struct cpl_set_tcb_rpl *p = (void *)rsp; | |
677 | ||
678 | filter_rpl(q->adap, p); | |
b8ff05a9 DM |
679 | } else |
680 | dev_err(q->adap->pdev_dev, | |
681 | "unexpected CPL %#x on FW event queue\n", opcode); | |
682 | return 0; | |
683 | } | |
684 | ||
685 | /** | |
686 | * uldrx_handler - response queue handler for ULD queues | |
687 | * @q: the response queue that received the packet | |
688 | * @rsp: the response queue descriptor holding the offload message | |
689 | * @gl: the gather list of packet fragments | |
690 | * | |
691 | * Deliver an ingress offload packet to a ULD. All processing is done by | |
692 | * the ULD, we just maintain statistics. | |
693 | */ | |
694 | static int uldrx_handler(struct sge_rspq *q, const __be64 *rsp, | |
695 | const struct pkt_gl *gl) | |
696 | { | |
697 | struct sge_ofld_rxq *rxq = container_of(q, struct sge_ofld_rxq, rspq); | |
698 | ||
699 | if (ulds[q->uld].rx_handler(q->adap->uld_handle[q->uld], rsp, gl)) { | |
700 | rxq->stats.nomem++; | |
701 | return -1; | |
702 | } | |
703 | if (gl == NULL) | |
704 | rxq->stats.imm++; | |
705 | else if (gl == CXGB4_MSG_AN) | |
706 | rxq->stats.an++; | |
707 | else | |
708 | rxq->stats.pkts++; | |
709 | return 0; | |
710 | } | |
711 | ||
712 | static void disable_msi(struct adapter *adapter) | |
713 | { | |
714 | if (adapter->flags & USING_MSIX) { | |
715 | pci_disable_msix(adapter->pdev); | |
716 | adapter->flags &= ~USING_MSIX; | |
717 | } else if (adapter->flags & USING_MSI) { | |
718 | pci_disable_msi(adapter->pdev); | |
719 | adapter->flags &= ~USING_MSI; | |
720 | } | |
721 | } | |
722 | ||
723 | /* | |
724 | * Interrupt handler for non-data events used with MSI-X. | |
725 | */ | |
726 | static irqreturn_t t4_nondata_intr(int irq, void *cookie) | |
727 | { | |
728 | struct adapter *adap = cookie; | |
729 | ||
730 | u32 v = t4_read_reg(adap, MYPF_REG(PL_PF_INT_CAUSE)); | |
731 | if (v & PFSW) { | |
732 | adap->swintr = 1; | |
733 | t4_write_reg(adap, MYPF_REG(PL_PF_INT_CAUSE), v); | |
734 | } | |
735 | t4_slow_intr_handler(adap); | |
736 | return IRQ_HANDLED; | |
737 | } | |
738 | ||
739 | /* | |
740 | * Name the MSI-X interrupts. | |
741 | */ | |
742 | static void name_msix_vecs(struct adapter *adap) | |
743 | { | |
ba27816c | 744 | int i, j, msi_idx = 2, n = sizeof(adap->msix_info[0].desc); |
b8ff05a9 DM |
745 | |
746 | /* non-data interrupts */ | |
b1a3c2b6 | 747 | snprintf(adap->msix_info[0].desc, n, "%s", adap->port[0]->name); |
b8ff05a9 DM |
748 | |
749 | /* FW events */ | |
b1a3c2b6 DM |
750 | snprintf(adap->msix_info[1].desc, n, "%s-FWeventq", |
751 | adap->port[0]->name); | |
b8ff05a9 DM |
752 | |
753 | /* Ethernet queues */ | |
754 | for_each_port(adap, j) { | |
755 | struct net_device *d = adap->port[j]; | |
756 | const struct port_info *pi = netdev_priv(d); | |
757 | ||
ba27816c | 758 | for (i = 0; i < pi->nqsets; i++, msi_idx++) |
b8ff05a9 DM |
759 | snprintf(adap->msix_info[msi_idx].desc, n, "%s-Rx%d", |
760 | d->name, i); | |
b8ff05a9 DM |
761 | } |
762 | ||
763 | /* offload queues */ | |
ba27816c DM |
764 | for_each_ofldrxq(&adap->sge, i) |
765 | snprintf(adap->msix_info[msi_idx++].desc, n, "%s-ofld%d", | |
b1a3c2b6 | 766 | adap->port[0]->name, i); |
ba27816c DM |
767 | |
768 | for_each_rdmarxq(&adap->sge, i) | |
769 | snprintf(adap->msix_info[msi_idx++].desc, n, "%s-rdma%d", | |
b1a3c2b6 | 770 | adap->port[0]->name, i); |
b8ff05a9 DM |
771 | } |
772 | ||
773 | static int request_msix_queue_irqs(struct adapter *adap) | |
774 | { | |
775 | struct sge *s = &adap->sge; | |
404d9e3f | 776 | int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi_index = 2; |
b8ff05a9 DM |
777 | |
778 | err = request_irq(adap->msix_info[1].vec, t4_sge_intr_msix, 0, | |
779 | adap->msix_info[1].desc, &s->fw_evtq); | |
780 | if (err) | |
781 | return err; | |
782 | ||
783 | for_each_ethrxq(s, ethqidx) { | |
404d9e3f VP |
784 | err = request_irq(adap->msix_info[msi_index].vec, |
785 | t4_sge_intr_msix, 0, | |
786 | adap->msix_info[msi_index].desc, | |
b8ff05a9 DM |
787 | &s->ethrxq[ethqidx].rspq); |
788 | if (err) | |
789 | goto unwind; | |
404d9e3f | 790 | msi_index++; |
b8ff05a9 DM |
791 | } |
792 | for_each_ofldrxq(s, ofldqidx) { | |
404d9e3f VP |
793 | err = request_irq(adap->msix_info[msi_index].vec, |
794 | t4_sge_intr_msix, 0, | |
795 | adap->msix_info[msi_index].desc, | |
b8ff05a9 DM |
796 | &s->ofldrxq[ofldqidx].rspq); |
797 | if (err) | |
798 | goto unwind; | |
404d9e3f | 799 | msi_index++; |
b8ff05a9 DM |
800 | } |
801 | for_each_rdmarxq(s, rdmaqidx) { | |
404d9e3f VP |
802 | err = request_irq(adap->msix_info[msi_index].vec, |
803 | t4_sge_intr_msix, 0, | |
804 | adap->msix_info[msi_index].desc, | |
b8ff05a9 DM |
805 | &s->rdmarxq[rdmaqidx].rspq); |
806 | if (err) | |
807 | goto unwind; | |
404d9e3f | 808 | msi_index++; |
b8ff05a9 DM |
809 | } |
810 | return 0; | |
811 | ||
812 | unwind: | |
813 | while (--rdmaqidx >= 0) | |
404d9e3f | 814 | free_irq(adap->msix_info[--msi_index].vec, |
b8ff05a9 DM |
815 | &s->rdmarxq[rdmaqidx].rspq); |
816 | while (--ofldqidx >= 0) | |
404d9e3f | 817 | free_irq(adap->msix_info[--msi_index].vec, |
b8ff05a9 DM |
818 | &s->ofldrxq[ofldqidx].rspq); |
819 | while (--ethqidx >= 0) | |
404d9e3f VP |
820 | free_irq(adap->msix_info[--msi_index].vec, |
821 | &s->ethrxq[ethqidx].rspq); | |
b8ff05a9 DM |
822 | free_irq(adap->msix_info[1].vec, &s->fw_evtq); |
823 | return err; | |
824 | } | |
825 | ||
826 | static void free_msix_queue_irqs(struct adapter *adap) | |
827 | { | |
404d9e3f | 828 | int i, msi_index = 2; |
b8ff05a9 DM |
829 | struct sge *s = &adap->sge; |
830 | ||
831 | free_irq(adap->msix_info[1].vec, &s->fw_evtq); | |
832 | for_each_ethrxq(s, i) | |
404d9e3f | 833 | free_irq(adap->msix_info[msi_index++].vec, &s->ethrxq[i].rspq); |
b8ff05a9 | 834 | for_each_ofldrxq(s, i) |
404d9e3f | 835 | free_irq(adap->msix_info[msi_index++].vec, &s->ofldrxq[i].rspq); |
b8ff05a9 | 836 | for_each_rdmarxq(s, i) |
404d9e3f | 837 | free_irq(adap->msix_info[msi_index++].vec, &s->rdmarxq[i].rspq); |
b8ff05a9 DM |
838 | } |
839 | ||
671b0060 DM |
840 | /** |
841 | * write_rss - write the RSS table for a given port | |
842 | * @pi: the port | |
843 | * @queues: array of queue indices for RSS | |
844 | * | |
845 | * Sets up the portion of the HW RSS table for the port's VI to distribute | |
846 | * packets to the Rx queues in @queues. | |
847 | */ | |
848 | static int write_rss(const struct port_info *pi, const u16 *queues) | |
849 | { | |
850 | u16 *rss; | |
851 | int i, err; | |
852 | const struct sge_eth_rxq *q = &pi->adapter->sge.ethrxq[pi->first_qset]; | |
853 | ||
854 | rss = kmalloc(pi->rss_size * sizeof(u16), GFP_KERNEL); | |
855 | if (!rss) | |
856 | return -ENOMEM; | |
857 | ||
858 | /* map the queue indices to queue ids */ | |
859 | for (i = 0; i < pi->rss_size; i++, queues++) | |
860 | rss[i] = q[*queues].rspq.abs_id; | |
861 | ||
060e0c75 DM |
862 | err = t4_config_rss_range(pi->adapter, pi->adapter->fn, pi->viid, 0, |
863 | pi->rss_size, rss, pi->rss_size); | |
671b0060 DM |
864 | kfree(rss); |
865 | return err; | |
866 | } | |
867 | ||
b8ff05a9 DM |
868 | /** |
869 | * setup_rss - configure RSS | |
870 | * @adap: the adapter | |
871 | * | |
671b0060 | 872 | * Sets up RSS for each port. |
b8ff05a9 DM |
873 | */ |
874 | static int setup_rss(struct adapter *adap) | |
875 | { | |
671b0060 | 876 | int i, err; |
b8ff05a9 DM |
877 | |
878 | for_each_port(adap, i) { | |
879 | const struct port_info *pi = adap2pinfo(adap, i); | |
b8ff05a9 | 880 | |
671b0060 | 881 | err = write_rss(pi, pi->rss); |
b8ff05a9 DM |
882 | if (err) |
883 | return err; | |
884 | } | |
885 | return 0; | |
886 | } | |
887 | ||
e46dab4d DM |
888 | /* |
889 | * Return the channel of the ingress queue with the given qid. | |
890 | */ | |
891 | static unsigned int rxq_to_chan(const struct sge *p, unsigned int qid) | |
892 | { | |
893 | qid -= p->ingr_start; | |
894 | return netdev2pinfo(p->ingr_map[qid]->netdev)->tx_chan; | |
895 | } | |
896 | ||
b8ff05a9 DM |
897 | /* |
898 | * Wait until all NAPI handlers are descheduled. | |
899 | */ | |
900 | static void quiesce_rx(struct adapter *adap) | |
901 | { | |
902 | int i; | |
903 | ||
904 | for (i = 0; i < ARRAY_SIZE(adap->sge.ingr_map); i++) { | |
905 | struct sge_rspq *q = adap->sge.ingr_map[i]; | |
906 | ||
907 | if (q && q->handler) | |
908 | napi_disable(&q->napi); | |
909 | } | |
910 | } | |
911 | ||
912 | /* | |
913 | * Enable NAPI scheduling and interrupt generation for all Rx queues. | |
914 | */ | |
915 | static void enable_rx(struct adapter *adap) | |
916 | { | |
917 | int i; | |
918 | ||
919 | for (i = 0; i < ARRAY_SIZE(adap->sge.ingr_map); i++) { | |
920 | struct sge_rspq *q = adap->sge.ingr_map[i]; | |
921 | ||
922 | if (!q) | |
923 | continue; | |
924 | if (q->handler) | |
925 | napi_enable(&q->napi); | |
926 | /* 0-increment GTS to start the timer and enable interrupts */ | |
927 | t4_write_reg(adap, MYPF_REG(SGE_PF_GTS), | |
928 | SEINTARM(q->intr_params) | | |
929 | INGRESSQID(q->cntxt_id)); | |
930 | } | |
931 | } | |
932 | ||
933 | /** | |
934 | * setup_sge_queues - configure SGE Tx/Rx/response queues | |
935 | * @adap: the adapter | |
936 | * | |
937 | * Determines how many sets of SGE queues to use and initializes them. | |
938 | * We support multiple queue sets per port if we have MSI-X, otherwise | |
939 | * just one queue set per port. | |
940 | */ | |
941 | static int setup_sge_queues(struct adapter *adap) | |
942 | { | |
943 | int err, msi_idx, i, j; | |
944 | struct sge *s = &adap->sge; | |
945 | ||
946 | bitmap_zero(s->starving_fl, MAX_EGRQ); | |
947 | bitmap_zero(s->txq_maperr, MAX_EGRQ); | |
948 | ||
949 | if (adap->flags & USING_MSIX) | |
950 | msi_idx = 1; /* vector 0 is for non-queue interrupts */ | |
951 | else { | |
952 | err = t4_sge_alloc_rxq(adap, &s->intrq, false, adap->port[0], 0, | |
953 | NULL, NULL); | |
954 | if (err) | |
955 | return err; | |
956 | msi_idx = -((int)s->intrq.abs_id + 1); | |
957 | } | |
958 | ||
959 | err = t4_sge_alloc_rxq(adap, &s->fw_evtq, true, adap->port[0], | |
960 | msi_idx, NULL, fwevtq_handler); | |
961 | if (err) { | |
962 | freeout: t4_free_sge_resources(adap); | |
963 | return err; | |
964 | } | |
965 | ||
966 | for_each_port(adap, i) { | |
967 | struct net_device *dev = adap->port[i]; | |
968 | struct port_info *pi = netdev_priv(dev); | |
969 | struct sge_eth_rxq *q = &s->ethrxq[pi->first_qset]; | |
970 | struct sge_eth_txq *t = &s->ethtxq[pi->first_qset]; | |
971 | ||
972 | for (j = 0; j < pi->nqsets; j++, q++) { | |
973 | if (msi_idx > 0) | |
974 | msi_idx++; | |
975 | err = t4_sge_alloc_rxq(adap, &q->rspq, false, dev, | |
976 | msi_idx, &q->fl, | |
977 | t4_ethrx_handler); | |
978 | if (err) | |
979 | goto freeout; | |
980 | q->rspq.idx = j; | |
981 | memset(&q->stats, 0, sizeof(q->stats)); | |
982 | } | |
983 | for (j = 0; j < pi->nqsets; j++, t++) { | |
984 | err = t4_sge_alloc_eth_txq(adap, t, dev, | |
985 | netdev_get_tx_queue(dev, j), | |
986 | s->fw_evtq.cntxt_id); | |
987 | if (err) | |
988 | goto freeout; | |
989 | } | |
990 | } | |
991 | ||
992 | j = s->ofldqsets / adap->params.nports; /* ofld queues per channel */ | |
993 | for_each_ofldrxq(s, i) { | |
994 | struct sge_ofld_rxq *q = &s->ofldrxq[i]; | |
995 | struct net_device *dev = adap->port[i / j]; | |
996 | ||
997 | if (msi_idx > 0) | |
998 | msi_idx++; | |
999 | err = t4_sge_alloc_rxq(adap, &q->rspq, false, dev, msi_idx, | |
1000 | &q->fl, uldrx_handler); | |
1001 | if (err) | |
1002 | goto freeout; | |
1003 | memset(&q->stats, 0, sizeof(q->stats)); | |
1004 | s->ofld_rxq[i] = q->rspq.abs_id; | |
1005 | err = t4_sge_alloc_ofld_txq(adap, &s->ofldtxq[i], dev, | |
1006 | s->fw_evtq.cntxt_id); | |
1007 | if (err) | |
1008 | goto freeout; | |
1009 | } | |
1010 | ||
1011 | for_each_rdmarxq(s, i) { | |
1012 | struct sge_ofld_rxq *q = &s->rdmarxq[i]; | |
1013 | ||
1014 | if (msi_idx > 0) | |
1015 | msi_idx++; | |
1016 | err = t4_sge_alloc_rxq(adap, &q->rspq, false, adap->port[i], | |
1017 | msi_idx, &q->fl, uldrx_handler); | |
1018 | if (err) | |
1019 | goto freeout; | |
1020 | memset(&q->stats, 0, sizeof(q->stats)); | |
1021 | s->rdma_rxq[i] = q->rspq.abs_id; | |
1022 | } | |
1023 | ||
1024 | for_each_port(adap, i) { | |
1025 | /* | |
1026 | * Note that ->rdmarxq[i].rspq.cntxt_id below is 0 if we don't | |
1027 | * have RDMA queues, and that's the right value. | |
1028 | */ | |
1029 | err = t4_sge_alloc_ctrl_txq(adap, &s->ctrlq[i], adap->port[i], | |
1030 | s->fw_evtq.cntxt_id, | |
1031 | s->rdmarxq[i].rspq.cntxt_id); | |
1032 | if (err) | |
1033 | goto freeout; | |
1034 | } | |
1035 | ||
1036 | t4_write_reg(adap, MPS_TRC_RSS_CONTROL, | |
1037 | RSSCONTROL(netdev2pinfo(adap->port[0])->tx_chan) | | |
1038 | QUEUENUMBER(s->ethrxq[0].rspq.abs_id)); | |
1039 | return 0; | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * Returns 0 if new FW was successfully loaded, a positive errno if a load was | |
1044 | * started but failed, and a negative errno if flash load couldn't start. | |
1045 | */ | |
1046 | static int upgrade_fw(struct adapter *adap) | |
1047 | { | |
1048 | int ret; | |
0a57a536 | 1049 | u32 vers, exp_major; |
b8ff05a9 DM |
1050 | const struct fw_hdr *hdr; |
1051 | const struct firmware *fw; | |
1052 | struct device *dev = adap->pdev_dev; | |
0a57a536 | 1053 | char *fw_file_name; |
b8ff05a9 | 1054 | |
0a57a536 SR |
1055 | switch (CHELSIO_CHIP_VERSION(adap->chip)) { |
1056 | case CHELSIO_T4: | |
1057 | fw_file_name = FW_FNAME; | |
1058 | exp_major = FW_VERSION_MAJOR; | |
1059 | break; | |
1060 | case CHELSIO_T5: | |
1061 | fw_file_name = FW5_FNAME; | |
1062 | exp_major = FW_VERSION_MAJOR_T5; | |
1063 | break; | |
1064 | default: | |
1065 | dev_err(dev, "Unsupported chip type, %x\n", adap->chip); | |
1066 | return -EINVAL; | |
1067 | } | |
1068 | ||
1069 | ret = request_firmware(&fw, fw_file_name, dev); | |
b8ff05a9 | 1070 | if (ret < 0) { |
0a57a536 SR |
1071 | dev_err(dev, "unable to load firmware image %s, error %d\n", |
1072 | fw_file_name, ret); | |
b8ff05a9 DM |
1073 | return ret; |
1074 | } | |
1075 | ||
1076 | hdr = (const struct fw_hdr *)fw->data; | |
1077 | vers = ntohl(hdr->fw_ver); | |
0a57a536 | 1078 | if (FW_HDR_FW_VER_MAJOR_GET(vers) != exp_major) { |
b8ff05a9 DM |
1079 | ret = -EINVAL; /* wrong major version, won't do */ |
1080 | goto out; | |
1081 | } | |
1082 | ||
1083 | /* | |
1084 | * If the flash FW is unusable or we found something newer, load it. | |
1085 | */ | |
0a57a536 | 1086 | if (FW_HDR_FW_VER_MAJOR_GET(adap->params.fw_vers) != exp_major || |
b8ff05a9 | 1087 | vers > adap->params.fw_vers) { |
26f7cbc0 VP |
1088 | dev_info(dev, "upgrading firmware ...\n"); |
1089 | ret = t4_fw_upgrade(adap, adap->mbox, fw->data, fw->size, | |
1090 | /*force=*/false); | |
b8ff05a9 | 1091 | if (!ret) |
0a57a536 SR |
1092 | dev_info(dev, |
1093 | "firmware upgraded to version %pI4 from %s\n", | |
1094 | &hdr->fw_ver, fw_file_name); | |
26f7cbc0 VP |
1095 | else |
1096 | dev_err(dev, "firmware upgrade failed! err=%d\n", -ret); | |
1648a22b VP |
1097 | } else { |
1098 | /* | |
1099 | * Tell our caller that we didn't upgrade the firmware. | |
1100 | */ | |
1101 | ret = -EINVAL; | |
b8ff05a9 | 1102 | } |
1648a22b | 1103 | |
b8ff05a9 DM |
1104 | out: release_firmware(fw); |
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * Allocate a chunk of memory using kmalloc or, if that fails, vmalloc. | |
1110 | * The allocated memory is cleared. | |
1111 | */ | |
1112 | void *t4_alloc_mem(size_t size) | |
1113 | { | |
89bf67f1 | 1114 | void *p = kzalloc(size, GFP_KERNEL); |
b8ff05a9 DM |
1115 | |
1116 | if (!p) | |
89bf67f1 | 1117 | p = vzalloc(size); |
b8ff05a9 DM |
1118 | return p; |
1119 | } | |
1120 | ||
1121 | /* | |
1122 | * Free memory allocated through alloc_mem(). | |
1123 | */ | |
31b9c19b | 1124 | static void t4_free_mem(void *addr) |
b8ff05a9 DM |
1125 | { |
1126 | if (is_vmalloc_addr(addr)) | |
1127 | vfree(addr); | |
1128 | else | |
1129 | kfree(addr); | |
1130 | } | |
1131 | ||
f2b7e78d VP |
1132 | /* Send a Work Request to write the filter at a specified index. We construct |
1133 | * a Firmware Filter Work Request to have the work done and put the indicated | |
1134 | * filter into "pending" mode which will prevent any further actions against | |
1135 | * it till we get a reply from the firmware on the completion status of the | |
1136 | * request. | |
1137 | */ | |
1138 | static int set_filter_wr(struct adapter *adapter, int fidx) | |
1139 | { | |
1140 | struct filter_entry *f = &adapter->tids.ftid_tab[fidx]; | |
1141 | struct sk_buff *skb; | |
1142 | struct fw_filter_wr *fwr; | |
1143 | unsigned int ftid; | |
1144 | ||
1145 | /* If the new filter requires loopback Destination MAC and/or VLAN | |
1146 | * rewriting then we need to allocate a Layer 2 Table (L2T) entry for | |
1147 | * the filter. | |
1148 | */ | |
1149 | if (f->fs.newdmac || f->fs.newvlan) { | |
1150 | /* allocate L2T entry for new filter */ | |
1151 | f->l2t = t4_l2t_alloc_switching(adapter->l2t); | |
1152 | if (f->l2t == NULL) | |
1153 | return -EAGAIN; | |
1154 | if (t4_l2t_set_switching(adapter, f->l2t, f->fs.vlan, | |
1155 | f->fs.eport, f->fs.dmac)) { | |
1156 | cxgb4_l2t_release(f->l2t); | |
1157 | f->l2t = NULL; | |
1158 | return -ENOMEM; | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | ftid = adapter->tids.ftid_base + fidx; | |
1163 | ||
1164 | skb = alloc_skb(sizeof(*fwr), GFP_KERNEL | __GFP_NOFAIL); | |
1165 | fwr = (struct fw_filter_wr *)__skb_put(skb, sizeof(*fwr)); | |
1166 | memset(fwr, 0, sizeof(*fwr)); | |
1167 | ||
1168 | /* It would be nice to put most of the following in t4_hw.c but most | |
1169 | * of the work is translating the cxgbtool ch_filter_specification | |
1170 | * into the Work Request and the definition of that structure is | |
1171 | * currently in cxgbtool.h which isn't appropriate to pull into the | |
1172 | * common code. We may eventually try to come up with a more neutral | |
1173 | * filter specification structure but for now it's easiest to simply | |
1174 | * put this fairly direct code in line ... | |
1175 | */ | |
1176 | fwr->op_pkd = htonl(FW_WR_OP(FW_FILTER_WR)); | |
1177 | fwr->len16_pkd = htonl(FW_WR_LEN16(sizeof(*fwr)/16)); | |
1178 | fwr->tid_to_iq = | |
1179 | htonl(V_FW_FILTER_WR_TID(ftid) | | |
1180 | V_FW_FILTER_WR_RQTYPE(f->fs.type) | | |
1181 | V_FW_FILTER_WR_NOREPLY(0) | | |
1182 | V_FW_FILTER_WR_IQ(f->fs.iq)); | |
1183 | fwr->del_filter_to_l2tix = | |
1184 | htonl(V_FW_FILTER_WR_RPTTID(f->fs.rpttid) | | |
1185 | V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) | | |
1186 | V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) | | |
1187 | V_FW_FILTER_WR_MASKHASH(f->fs.maskhash) | | |
1188 | V_FW_FILTER_WR_DIRSTEERHASH(f->fs.dirsteerhash) | | |
1189 | V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) | | |
1190 | V_FW_FILTER_WR_DMAC(f->fs.newdmac) | | |
1191 | V_FW_FILTER_WR_SMAC(f->fs.newsmac) | | |
1192 | V_FW_FILTER_WR_INSVLAN(f->fs.newvlan == VLAN_INSERT || | |
1193 | f->fs.newvlan == VLAN_REWRITE) | | |
1194 | V_FW_FILTER_WR_RMVLAN(f->fs.newvlan == VLAN_REMOVE || | |
1195 | f->fs.newvlan == VLAN_REWRITE) | | |
1196 | V_FW_FILTER_WR_HITCNTS(f->fs.hitcnts) | | |
1197 | V_FW_FILTER_WR_TXCHAN(f->fs.eport) | | |
1198 | V_FW_FILTER_WR_PRIO(f->fs.prio) | | |
1199 | V_FW_FILTER_WR_L2TIX(f->l2t ? f->l2t->idx : 0)); | |
1200 | fwr->ethtype = htons(f->fs.val.ethtype); | |
1201 | fwr->ethtypem = htons(f->fs.mask.ethtype); | |
1202 | fwr->frag_to_ovlan_vldm = | |
1203 | (V_FW_FILTER_WR_FRAG(f->fs.val.frag) | | |
1204 | V_FW_FILTER_WR_FRAGM(f->fs.mask.frag) | | |
1205 | V_FW_FILTER_WR_IVLAN_VLD(f->fs.val.ivlan_vld) | | |
1206 | V_FW_FILTER_WR_OVLAN_VLD(f->fs.val.ovlan_vld) | | |
1207 | V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.ivlan_vld) | | |
1208 | V_FW_FILTER_WR_OVLAN_VLDM(f->fs.mask.ovlan_vld)); | |
1209 | fwr->smac_sel = 0; | |
1210 | fwr->rx_chan_rx_rpl_iq = | |
1211 | htons(V_FW_FILTER_WR_RX_CHAN(0) | | |
1212 | V_FW_FILTER_WR_RX_RPL_IQ(adapter->sge.fw_evtq.abs_id)); | |
1213 | fwr->maci_to_matchtypem = | |
1214 | htonl(V_FW_FILTER_WR_MACI(f->fs.val.macidx) | | |
1215 | V_FW_FILTER_WR_MACIM(f->fs.mask.macidx) | | |
1216 | V_FW_FILTER_WR_FCOE(f->fs.val.fcoe) | | |
1217 | V_FW_FILTER_WR_FCOEM(f->fs.mask.fcoe) | | |
1218 | V_FW_FILTER_WR_PORT(f->fs.val.iport) | | |
1219 | V_FW_FILTER_WR_PORTM(f->fs.mask.iport) | | |
1220 | V_FW_FILTER_WR_MATCHTYPE(f->fs.val.matchtype) | | |
1221 | V_FW_FILTER_WR_MATCHTYPEM(f->fs.mask.matchtype)); | |
1222 | fwr->ptcl = f->fs.val.proto; | |
1223 | fwr->ptclm = f->fs.mask.proto; | |
1224 | fwr->ttyp = f->fs.val.tos; | |
1225 | fwr->ttypm = f->fs.mask.tos; | |
1226 | fwr->ivlan = htons(f->fs.val.ivlan); | |
1227 | fwr->ivlanm = htons(f->fs.mask.ivlan); | |
1228 | fwr->ovlan = htons(f->fs.val.ovlan); | |
1229 | fwr->ovlanm = htons(f->fs.mask.ovlan); | |
1230 | memcpy(fwr->lip, f->fs.val.lip, sizeof(fwr->lip)); | |
1231 | memcpy(fwr->lipm, f->fs.mask.lip, sizeof(fwr->lipm)); | |
1232 | memcpy(fwr->fip, f->fs.val.fip, sizeof(fwr->fip)); | |
1233 | memcpy(fwr->fipm, f->fs.mask.fip, sizeof(fwr->fipm)); | |
1234 | fwr->lp = htons(f->fs.val.lport); | |
1235 | fwr->lpm = htons(f->fs.mask.lport); | |
1236 | fwr->fp = htons(f->fs.val.fport); | |
1237 | fwr->fpm = htons(f->fs.mask.fport); | |
1238 | if (f->fs.newsmac) | |
1239 | memcpy(fwr->sma, f->fs.smac, sizeof(fwr->sma)); | |
1240 | ||
1241 | /* Mark the filter as "pending" and ship off the Filter Work Request. | |
1242 | * When we get the Work Request Reply we'll clear the pending status. | |
1243 | */ | |
1244 | f->pending = 1; | |
1245 | set_wr_txq(skb, CPL_PRIORITY_CONTROL, f->fs.val.iport & 0x3); | |
1246 | t4_ofld_send(adapter, skb); | |
1247 | return 0; | |
1248 | } | |
1249 | ||
1250 | /* Delete the filter at a specified index. | |
1251 | */ | |
1252 | static int del_filter_wr(struct adapter *adapter, int fidx) | |
1253 | { | |
1254 | struct filter_entry *f = &adapter->tids.ftid_tab[fidx]; | |
1255 | struct sk_buff *skb; | |
1256 | struct fw_filter_wr *fwr; | |
1257 | unsigned int len, ftid; | |
1258 | ||
1259 | len = sizeof(*fwr); | |
1260 | ftid = adapter->tids.ftid_base + fidx; | |
1261 | ||
1262 | skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL); | |
1263 | fwr = (struct fw_filter_wr *)__skb_put(skb, len); | |
1264 | t4_mk_filtdelwr(ftid, fwr, adapter->sge.fw_evtq.abs_id); | |
1265 | ||
1266 | /* Mark the filter as "pending" and ship off the Filter Work Request. | |
1267 | * When we get the Work Request Reply we'll clear the pending status. | |
1268 | */ | |
1269 | f->pending = 1; | |
1270 | t4_mgmt_tx(adapter, skb); | |
1271 | return 0; | |
1272 | } | |
1273 | ||
b8ff05a9 DM |
1274 | static inline int is_offload(const struct adapter *adap) |
1275 | { | |
1276 | return adap->params.offload; | |
1277 | } | |
1278 | ||
1279 | /* | |
1280 | * Implementation of ethtool operations. | |
1281 | */ | |
1282 | ||
1283 | static u32 get_msglevel(struct net_device *dev) | |
1284 | { | |
1285 | return netdev2adap(dev)->msg_enable; | |
1286 | } | |
1287 | ||
1288 | static void set_msglevel(struct net_device *dev, u32 val) | |
1289 | { | |
1290 | netdev2adap(dev)->msg_enable = val; | |
1291 | } | |
1292 | ||
1293 | static char stats_strings[][ETH_GSTRING_LEN] = { | |
1294 | "TxOctetsOK ", | |
1295 | "TxFramesOK ", | |
1296 | "TxBroadcastFrames ", | |
1297 | "TxMulticastFrames ", | |
1298 | "TxUnicastFrames ", | |
1299 | "TxErrorFrames ", | |
1300 | ||
1301 | "TxFrames64 ", | |
1302 | "TxFrames65To127 ", | |
1303 | "TxFrames128To255 ", | |
1304 | "TxFrames256To511 ", | |
1305 | "TxFrames512To1023 ", | |
1306 | "TxFrames1024To1518 ", | |
1307 | "TxFrames1519ToMax ", | |
1308 | ||
1309 | "TxFramesDropped ", | |
1310 | "TxPauseFrames ", | |
1311 | "TxPPP0Frames ", | |
1312 | "TxPPP1Frames ", | |
1313 | "TxPPP2Frames ", | |
1314 | "TxPPP3Frames ", | |
1315 | "TxPPP4Frames ", | |
1316 | "TxPPP5Frames ", | |
1317 | "TxPPP6Frames ", | |
1318 | "TxPPP7Frames ", | |
1319 | ||
1320 | "RxOctetsOK ", | |
1321 | "RxFramesOK ", | |
1322 | "RxBroadcastFrames ", | |
1323 | "RxMulticastFrames ", | |
1324 | "RxUnicastFrames ", | |
1325 | ||
1326 | "RxFramesTooLong ", | |
1327 | "RxJabberErrors ", | |
1328 | "RxFCSErrors ", | |
1329 | "RxLengthErrors ", | |
1330 | "RxSymbolErrors ", | |
1331 | "RxRuntFrames ", | |
1332 | ||
1333 | "RxFrames64 ", | |
1334 | "RxFrames65To127 ", | |
1335 | "RxFrames128To255 ", | |
1336 | "RxFrames256To511 ", | |
1337 | "RxFrames512To1023 ", | |
1338 | "RxFrames1024To1518 ", | |
1339 | "RxFrames1519ToMax ", | |
1340 | ||
1341 | "RxPauseFrames ", | |
1342 | "RxPPP0Frames ", | |
1343 | "RxPPP1Frames ", | |
1344 | "RxPPP2Frames ", | |
1345 | "RxPPP3Frames ", | |
1346 | "RxPPP4Frames ", | |
1347 | "RxPPP5Frames ", | |
1348 | "RxPPP6Frames ", | |
1349 | "RxPPP7Frames ", | |
1350 | ||
1351 | "RxBG0FramesDropped ", | |
1352 | "RxBG1FramesDropped ", | |
1353 | "RxBG2FramesDropped ", | |
1354 | "RxBG3FramesDropped ", | |
1355 | "RxBG0FramesTrunc ", | |
1356 | "RxBG1FramesTrunc ", | |
1357 | "RxBG2FramesTrunc ", | |
1358 | "RxBG3FramesTrunc ", | |
1359 | ||
1360 | "TSO ", | |
1361 | "TxCsumOffload ", | |
1362 | "RxCsumGood ", | |
1363 | "VLANextractions ", | |
1364 | "VLANinsertions ", | |
4a6346d4 DM |
1365 | "GROpackets ", |
1366 | "GROmerged ", | |
22adfe0a SR |
1367 | "WriteCoalSuccess ", |
1368 | "WriteCoalFail ", | |
b8ff05a9 DM |
1369 | }; |
1370 | ||
1371 | static int get_sset_count(struct net_device *dev, int sset) | |
1372 | { | |
1373 | switch (sset) { | |
1374 | case ETH_SS_STATS: | |
1375 | return ARRAY_SIZE(stats_strings); | |
1376 | default: | |
1377 | return -EOPNOTSUPP; | |
1378 | } | |
1379 | } | |
1380 | ||
1381 | #define T4_REGMAP_SIZE (160 * 1024) | |
251f9e88 | 1382 | #define T5_REGMAP_SIZE (332 * 1024) |
b8ff05a9 DM |
1383 | |
1384 | static int get_regs_len(struct net_device *dev) | |
1385 | { | |
251f9e88 SR |
1386 | struct adapter *adap = netdev2adap(dev); |
1387 | if (is_t4(adap->chip)) | |
1388 | return T4_REGMAP_SIZE; | |
1389 | else | |
1390 | return T5_REGMAP_SIZE; | |
b8ff05a9 DM |
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 | { | |
1400 | struct adapter *adapter = netdev2adap(dev); | |
1401 | ||
23020ab3 RJ |
1402 | strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); |
1403 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
1404 | strlcpy(info->bus_info, pci_name(adapter->pdev), | |
1405 | sizeof(info->bus_info)); | |
b8ff05a9 | 1406 | |
84b40501 | 1407 | if (adapter->params.fw_vers) |
b8ff05a9 DM |
1408 | snprintf(info->fw_version, sizeof(info->fw_version), |
1409 | "%u.%u.%u.%u, TP %u.%u.%u.%u", | |
1410 | FW_HDR_FW_VER_MAJOR_GET(adapter->params.fw_vers), | |
1411 | FW_HDR_FW_VER_MINOR_GET(adapter->params.fw_vers), | |
1412 | FW_HDR_FW_VER_MICRO_GET(adapter->params.fw_vers), | |
1413 | FW_HDR_FW_VER_BUILD_GET(adapter->params.fw_vers), | |
1414 | FW_HDR_FW_VER_MAJOR_GET(adapter->params.tp_vers), | |
1415 | FW_HDR_FW_VER_MINOR_GET(adapter->params.tp_vers), | |
1416 | FW_HDR_FW_VER_MICRO_GET(adapter->params.tp_vers), | |
1417 | FW_HDR_FW_VER_BUILD_GET(adapter->params.tp_vers)); | |
1418 | } | |
1419 | ||
1420 | static void get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
1421 | { | |
1422 | if (stringset == ETH_SS_STATS) | |
1423 | memcpy(data, stats_strings, sizeof(stats_strings)); | |
1424 | } | |
1425 | ||
1426 | /* | |
1427 | * port stats maintained per queue of the port. They should be in the same | |
1428 | * order as in stats_strings above. | |
1429 | */ | |
1430 | struct queue_port_stats { | |
1431 | u64 tso; | |
1432 | u64 tx_csum; | |
1433 | u64 rx_csum; | |
1434 | u64 vlan_ex; | |
1435 | u64 vlan_ins; | |
4a6346d4 DM |
1436 | u64 gro_pkts; |
1437 | u64 gro_merged; | |
b8ff05a9 DM |
1438 | }; |
1439 | ||
1440 | static void collect_sge_port_stats(const struct adapter *adap, | |
1441 | const struct port_info *p, struct queue_port_stats *s) | |
1442 | { | |
1443 | int i; | |
1444 | const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset]; | |
1445 | const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset]; | |
1446 | ||
1447 | memset(s, 0, sizeof(*s)); | |
1448 | for (i = 0; i < p->nqsets; i++, rx++, tx++) { | |
1449 | s->tso += tx->tso; | |
1450 | s->tx_csum += tx->tx_cso; | |
1451 | s->rx_csum += rx->stats.rx_cso; | |
1452 | s->vlan_ex += rx->stats.vlan_ex; | |
1453 | s->vlan_ins += tx->vlan_ins; | |
4a6346d4 DM |
1454 | s->gro_pkts += rx->stats.lro_pkts; |
1455 | s->gro_merged += rx->stats.lro_merged; | |
b8ff05a9 DM |
1456 | } |
1457 | } | |
1458 | ||
1459 | static void get_stats(struct net_device *dev, struct ethtool_stats *stats, | |
1460 | u64 *data) | |
1461 | { | |
1462 | struct port_info *pi = netdev_priv(dev); | |
1463 | struct adapter *adapter = pi->adapter; | |
22adfe0a | 1464 | u32 val1, val2; |
b8ff05a9 DM |
1465 | |
1466 | t4_get_port_stats(adapter, pi->tx_chan, (struct port_stats *)data); | |
1467 | ||
1468 | data += sizeof(struct port_stats) / sizeof(u64); | |
1469 | collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data); | |
22adfe0a SR |
1470 | data += sizeof(struct queue_port_stats) / sizeof(u64); |
1471 | if (!is_t4(adapter->chip)) { | |
1472 | t4_write_reg(adapter, SGE_STAT_CFG, STATSOURCE_T5(7)); | |
1473 | val1 = t4_read_reg(adapter, SGE_STAT_TOTAL); | |
1474 | val2 = t4_read_reg(adapter, SGE_STAT_MATCH); | |
1475 | *data = val1 - val2; | |
1476 | data++; | |
1477 | *data = val2; | |
1478 | data++; | |
1479 | } else { | |
1480 | memset(data, 0, 2 * sizeof(u64)); | |
1481 | *data += 2; | |
1482 | } | |
b8ff05a9 DM |
1483 | } |
1484 | ||
1485 | /* | |
1486 | * Return a version number to identify the type of adapter. The scheme is: | |
1487 | * - bits 0..9: chip version | |
1488 | * - bits 10..15: chip revision | |
835bb606 | 1489 | * - bits 16..23: register dump version |
b8ff05a9 DM |
1490 | */ |
1491 | static inline unsigned int mk_adap_vers(const struct adapter *ap) | |
1492 | { | |
0a57a536 SR |
1493 | return CHELSIO_CHIP_VERSION(ap->chip) | |
1494 | (CHELSIO_CHIP_RELEASE(ap->chip) << 10) | (1 << 16); | |
b8ff05a9 DM |
1495 | } |
1496 | ||
1497 | static void reg_block_dump(struct adapter *ap, void *buf, unsigned int start, | |
1498 | unsigned int end) | |
1499 | { | |
1500 | u32 *p = buf + start; | |
1501 | ||
1502 | for ( ; start <= end; start += sizeof(u32)) | |
1503 | *p++ = t4_read_reg(ap, start); | |
1504 | } | |
1505 | ||
1506 | static void get_regs(struct net_device *dev, struct ethtool_regs *regs, | |
1507 | void *buf) | |
1508 | { | |
251f9e88 | 1509 | static const unsigned int t4_reg_ranges[] = { |
b8ff05a9 DM |
1510 | 0x1008, 0x1108, |
1511 | 0x1180, 0x11b4, | |
1512 | 0x11fc, 0x123c, | |
1513 | 0x1300, 0x173c, | |
1514 | 0x1800, 0x18fc, | |
1515 | 0x3000, 0x30d8, | |
1516 | 0x30e0, 0x5924, | |
1517 | 0x5960, 0x59d4, | |
1518 | 0x5a00, 0x5af8, | |
1519 | 0x6000, 0x6098, | |
1520 | 0x6100, 0x6150, | |
1521 | 0x6200, 0x6208, | |
1522 | 0x6240, 0x6248, | |
1523 | 0x6280, 0x6338, | |
1524 | 0x6370, 0x638c, | |
1525 | 0x6400, 0x643c, | |
1526 | 0x6500, 0x6524, | |
1527 | 0x6a00, 0x6a38, | |
1528 | 0x6a60, 0x6a78, | |
1529 | 0x6b00, 0x6b84, | |
1530 | 0x6bf0, 0x6c84, | |
1531 | 0x6cf0, 0x6d84, | |
1532 | 0x6df0, 0x6e84, | |
1533 | 0x6ef0, 0x6f84, | |
1534 | 0x6ff0, 0x7084, | |
1535 | 0x70f0, 0x7184, | |
1536 | 0x71f0, 0x7284, | |
1537 | 0x72f0, 0x7384, | |
1538 | 0x73f0, 0x7450, | |
1539 | 0x7500, 0x7530, | |
1540 | 0x7600, 0x761c, | |
1541 | 0x7680, 0x76cc, | |
1542 | 0x7700, 0x7798, | |
1543 | 0x77c0, 0x77fc, | |
1544 | 0x7900, 0x79fc, | |
1545 | 0x7b00, 0x7c38, | |
1546 | 0x7d00, 0x7efc, | |
1547 | 0x8dc0, 0x8e1c, | |
1548 | 0x8e30, 0x8e78, | |
1549 | 0x8ea0, 0x8f6c, | |
1550 | 0x8fc0, 0x9074, | |
1551 | 0x90fc, 0x90fc, | |
1552 | 0x9400, 0x9458, | |
1553 | 0x9600, 0x96bc, | |
1554 | 0x9800, 0x9808, | |
1555 | 0x9820, 0x983c, | |
1556 | 0x9850, 0x9864, | |
1557 | 0x9c00, 0x9c6c, | |
1558 | 0x9c80, 0x9cec, | |
1559 | 0x9d00, 0x9d6c, | |
1560 | 0x9d80, 0x9dec, | |
1561 | 0x9e00, 0x9e6c, | |
1562 | 0x9e80, 0x9eec, | |
1563 | 0x9f00, 0x9f6c, | |
1564 | 0x9f80, 0x9fec, | |
1565 | 0xd004, 0xd03c, | |
1566 | 0xdfc0, 0xdfe0, | |
1567 | 0xe000, 0xea7c, | |
1568 | 0xf000, 0x11190, | |
835bb606 DM |
1569 | 0x19040, 0x1906c, |
1570 | 0x19078, 0x19080, | |
1571 | 0x1908c, 0x19124, | |
b8ff05a9 DM |
1572 | 0x19150, 0x191b0, |
1573 | 0x191d0, 0x191e8, | |
1574 | 0x19238, 0x1924c, | |
1575 | 0x193f8, 0x19474, | |
1576 | 0x19490, 0x194f8, | |
1577 | 0x19800, 0x19f30, | |
1578 | 0x1a000, 0x1a06c, | |
1579 | 0x1a0b0, 0x1a120, | |
1580 | 0x1a128, 0x1a138, | |
1581 | 0x1a190, 0x1a1c4, | |
1582 | 0x1a1fc, 0x1a1fc, | |
1583 | 0x1e040, 0x1e04c, | |
835bb606 | 1584 | 0x1e284, 0x1e28c, |
b8ff05a9 DM |
1585 | 0x1e2c0, 0x1e2c0, |
1586 | 0x1e2e0, 0x1e2e0, | |
1587 | 0x1e300, 0x1e384, | |
1588 | 0x1e3c0, 0x1e3c8, | |
1589 | 0x1e440, 0x1e44c, | |
835bb606 | 1590 | 0x1e684, 0x1e68c, |
b8ff05a9 DM |
1591 | 0x1e6c0, 0x1e6c0, |
1592 | 0x1e6e0, 0x1e6e0, | |
1593 | 0x1e700, 0x1e784, | |
1594 | 0x1e7c0, 0x1e7c8, | |
1595 | 0x1e840, 0x1e84c, | |
835bb606 | 1596 | 0x1ea84, 0x1ea8c, |
b8ff05a9 DM |
1597 | 0x1eac0, 0x1eac0, |
1598 | 0x1eae0, 0x1eae0, | |
1599 | 0x1eb00, 0x1eb84, | |
1600 | 0x1ebc0, 0x1ebc8, | |
1601 | 0x1ec40, 0x1ec4c, | |
835bb606 | 1602 | 0x1ee84, 0x1ee8c, |
b8ff05a9 DM |
1603 | 0x1eec0, 0x1eec0, |
1604 | 0x1eee0, 0x1eee0, | |
1605 | 0x1ef00, 0x1ef84, | |
1606 | 0x1efc0, 0x1efc8, | |
1607 | 0x1f040, 0x1f04c, | |
835bb606 | 1608 | 0x1f284, 0x1f28c, |
b8ff05a9 DM |
1609 | 0x1f2c0, 0x1f2c0, |
1610 | 0x1f2e0, 0x1f2e0, | |
1611 | 0x1f300, 0x1f384, | |
1612 | 0x1f3c0, 0x1f3c8, | |
1613 | 0x1f440, 0x1f44c, | |
835bb606 | 1614 | 0x1f684, 0x1f68c, |
b8ff05a9 DM |
1615 | 0x1f6c0, 0x1f6c0, |
1616 | 0x1f6e0, 0x1f6e0, | |
1617 | 0x1f700, 0x1f784, | |
1618 | 0x1f7c0, 0x1f7c8, | |
1619 | 0x1f840, 0x1f84c, | |
835bb606 | 1620 | 0x1fa84, 0x1fa8c, |
b8ff05a9 DM |
1621 | 0x1fac0, 0x1fac0, |
1622 | 0x1fae0, 0x1fae0, | |
1623 | 0x1fb00, 0x1fb84, | |
1624 | 0x1fbc0, 0x1fbc8, | |
1625 | 0x1fc40, 0x1fc4c, | |
835bb606 | 1626 | 0x1fe84, 0x1fe8c, |
b8ff05a9 DM |
1627 | 0x1fec0, 0x1fec0, |
1628 | 0x1fee0, 0x1fee0, | |
1629 | 0x1ff00, 0x1ff84, | |
1630 | 0x1ffc0, 0x1ffc8, | |
1631 | 0x20000, 0x2002c, | |
1632 | 0x20100, 0x2013c, | |
1633 | 0x20190, 0x201c8, | |
1634 | 0x20200, 0x20318, | |
1635 | 0x20400, 0x20528, | |
1636 | 0x20540, 0x20614, | |
1637 | 0x21000, 0x21040, | |
1638 | 0x2104c, 0x21060, | |
1639 | 0x210c0, 0x210ec, | |
1640 | 0x21200, 0x21268, | |
1641 | 0x21270, 0x21284, | |
1642 | 0x212fc, 0x21388, | |
1643 | 0x21400, 0x21404, | |
1644 | 0x21500, 0x21518, | |
1645 | 0x2152c, 0x2153c, | |
1646 | 0x21550, 0x21554, | |
1647 | 0x21600, 0x21600, | |
1648 | 0x21608, 0x21628, | |
1649 | 0x21630, 0x2163c, | |
1650 | 0x21700, 0x2171c, | |
1651 | 0x21780, 0x2178c, | |
1652 | 0x21800, 0x21c38, | |
1653 | 0x21c80, 0x21d7c, | |
1654 | 0x21e00, 0x21e04, | |
1655 | 0x22000, 0x2202c, | |
1656 | 0x22100, 0x2213c, | |
1657 | 0x22190, 0x221c8, | |
1658 | 0x22200, 0x22318, | |
1659 | 0x22400, 0x22528, | |
1660 | 0x22540, 0x22614, | |
1661 | 0x23000, 0x23040, | |
1662 | 0x2304c, 0x23060, | |
1663 | 0x230c0, 0x230ec, | |
1664 | 0x23200, 0x23268, | |
1665 | 0x23270, 0x23284, | |
1666 | 0x232fc, 0x23388, | |
1667 | 0x23400, 0x23404, | |
1668 | 0x23500, 0x23518, | |
1669 | 0x2352c, 0x2353c, | |
1670 | 0x23550, 0x23554, | |
1671 | 0x23600, 0x23600, | |
1672 | 0x23608, 0x23628, | |
1673 | 0x23630, 0x2363c, | |
1674 | 0x23700, 0x2371c, | |
1675 | 0x23780, 0x2378c, | |
1676 | 0x23800, 0x23c38, | |
1677 | 0x23c80, 0x23d7c, | |
1678 | 0x23e00, 0x23e04, | |
1679 | 0x24000, 0x2402c, | |
1680 | 0x24100, 0x2413c, | |
1681 | 0x24190, 0x241c8, | |
1682 | 0x24200, 0x24318, | |
1683 | 0x24400, 0x24528, | |
1684 | 0x24540, 0x24614, | |
1685 | 0x25000, 0x25040, | |
1686 | 0x2504c, 0x25060, | |
1687 | 0x250c0, 0x250ec, | |
1688 | 0x25200, 0x25268, | |
1689 | 0x25270, 0x25284, | |
1690 | 0x252fc, 0x25388, | |
1691 | 0x25400, 0x25404, | |
1692 | 0x25500, 0x25518, | |
1693 | 0x2552c, 0x2553c, | |
1694 | 0x25550, 0x25554, | |
1695 | 0x25600, 0x25600, | |
1696 | 0x25608, 0x25628, | |
1697 | 0x25630, 0x2563c, | |
1698 | 0x25700, 0x2571c, | |
1699 | 0x25780, 0x2578c, | |
1700 | 0x25800, 0x25c38, | |
1701 | 0x25c80, 0x25d7c, | |
1702 | 0x25e00, 0x25e04, | |
1703 | 0x26000, 0x2602c, | |
1704 | 0x26100, 0x2613c, | |
1705 | 0x26190, 0x261c8, | |
1706 | 0x26200, 0x26318, | |
1707 | 0x26400, 0x26528, | |
1708 | 0x26540, 0x26614, | |
1709 | 0x27000, 0x27040, | |
1710 | 0x2704c, 0x27060, | |
1711 | 0x270c0, 0x270ec, | |
1712 | 0x27200, 0x27268, | |
1713 | 0x27270, 0x27284, | |
1714 | 0x272fc, 0x27388, | |
1715 | 0x27400, 0x27404, | |
1716 | 0x27500, 0x27518, | |
1717 | 0x2752c, 0x2753c, | |
1718 | 0x27550, 0x27554, | |
1719 | 0x27600, 0x27600, | |
1720 | 0x27608, 0x27628, | |
1721 | 0x27630, 0x2763c, | |
1722 | 0x27700, 0x2771c, | |
1723 | 0x27780, 0x2778c, | |
1724 | 0x27800, 0x27c38, | |
1725 | 0x27c80, 0x27d7c, | |
1726 | 0x27e00, 0x27e04 | |
1727 | }; | |
1728 | ||
251f9e88 SR |
1729 | static const unsigned int t5_reg_ranges[] = { |
1730 | 0x1008, 0x1148, | |
1731 | 0x1180, 0x11b4, | |
1732 | 0x11fc, 0x123c, | |
1733 | 0x1280, 0x173c, | |
1734 | 0x1800, 0x18fc, | |
1735 | 0x3000, 0x3028, | |
1736 | 0x3060, 0x30d8, | |
1737 | 0x30e0, 0x30fc, | |
1738 | 0x3140, 0x357c, | |
1739 | 0x35a8, 0x35cc, | |
1740 | 0x35ec, 0x35ec, | |
1741 | 0x3600, 0x5624, | |
1742 | 0x56cc, 0x575c, | |
1743 | 0x580c, 0x5814, | |
1744 | 0x5890, 0x58bc, | |
1745 | 0x5940, 0x59dc, | |
1746 | 0x59fc, 0x5a18, | |
1747 | 0x5a60, 0x5a9c, | |
1748 | 0x5b9c, 0x5bfc, | |
1749 | 0x6000, 0x6040, | |
1750 | 0x6058, 0x614c, | |
1751 | 0x7700, 0x7798, | |
1752 | 0x77c0, 0x78fc, | |
1753 | 0x7b00, 0x7c54, | |
1754 | 0x7d00, 0x7efc, | |
1755 | 0x8dc0, 0x8de0, | |
1756 | 0x8df8, 0x8e84, | |
1757 | 0x8ea0, 0x8f84, | |
1758 | 0x8fc0, 0x90f8, | |
1759 | 0x9400, 0x9470, | |
1760 | 0x9600, 0x96f4, | |
1761 | 0x9800, 0x9808, | |
1762 | 0x9820, 0x983c, | |
1763 | 0x9850, 0x9864, | |
1764 | 0x9c00, 0x9c6c, | |
1765 | 0x9c80, 0x9cec, | |
1766 | 0x9d00, 0x9d6c, | |
1767 | 0x9d80, 0x9dec, | |
1768 | 0x9e00, 0x9e6c, | |
1769 | 0x9e80, 0x9eec, | |
1770 | 0x9f00, 0x9f6c, | |
1771 | 0x9f80, 0xa020, | |
1772 | 0xd004, 0xd03c, | |
1773 | 0xdfc0, 0xdfe0, | |
1774 | 0xe000, 0x11088, | |
1775 | 0x1109c, 0x1117c, | |
1776 | 0x11190, 0x11204, | |
1777 | 0x19040, 0x1906c, | |
1778 | 0x19078, 0x19080, | |
1779 | 0x1908c, 0x19124, | |
1780 | 0x19150, 0x191b0, | |
1781 | 0x191d0, 0x191e8, | |
1782 | 0x19238, 0x19290, | |
1783 | 0x193f8, 0x19474, | |
1784 | 0x19490, 0x194cc, | |
1785 | 0x194f0, 0x194f8, | |
1786 | 0x19c00, 0x19c60, | |
1787 | 0x19c94, 0x19e10, | |
1788 | 0x19e50, 0x19f34, | |
1789 | 0x19f40, 0x19f50, | |
1790 | 0x19f90, 0x19fe4, | |
1791 | 0x1a000, 0x1a06c, | |
1792 | 0x1a0b0, 0x1a120, | |
1793 | 0x1a128, 0x1a138, | |
1794 | 0x1a190, 0x1a1c4, | |
1795 | 0x1a1fc, 0x1a1fc, | |
1796 | 0x1e008, 0x1e00c, | |
1797 | 0x1e040, 0x1e04c, | |
1798 | 0x1e284, 0x1e290, | |
1799 | 0x1e2c0, 0x1e2c0, | |
1800 | 0x1e2e0, 0x1e2e0, | |
1801 | 0x1e300, 0x1e384, | |
1802 | 0x1e3c0, 0x1e3c8, | |
1803 | 0x1e408, 0x1e40c, | |
1804 | 0x1e440, 0x1e44c, | |
1805 | 0x1e684, 0x1e690, | |
1806 | 0x1e6c0, 0x1e6c0, | |
1807 | 0x1e6e0, 0x1e6e0, | |
1808 | 0x1e700, 0x1e784, | |
1809 | 0x1e7c0, 0x1e7c8, | |
1810 | 0x1e808, 0x1e80c, | |
1811 | 0x1e840, 0x1e84c, | |
1812 | 0x1ea84, 0x1ea90, | |
1813 | 0x1eac0, 0x1eac0, | |
1814 | 0x1eae0, 0x1eae0, | |
1815 | 0x1eb00, 0x1eb84, | |
1816 | 0x1ebc0, 0x1ebc8, | |
1817 | 0x1ec08, 0x1ec0c, | |
1818 | 0x1ec40, 0x1ec4c, | |
1819 | 0x1ee84, 0x1ee90, | |
1820 | 0x1eec0, 0x1eec0, | |
1821 | 0x1eee0, 0x1eee0, | |
1822 | 0x1ef00, 0x1ef84, | |
1823 | 0x1efc0, 0x1efc8, | |
1824 | 0x1f008, 0x1f00c, | |
1825 | 0x1f040, 0x1f04c, | |
1826 | 0x1f284, 0x1f290, | |
1827 | 0x1f2c0, 0x1f2c0, | |
1828 | 0x1f2e0, 0x1f2e0, | |
1829 | 0x1f300, 0x1f384, | |
1830 | 0x1f3c0, 0x1f3c8, | |
1831 | 0x1f408, 0x1f40c, | |
1832 | 0x1f440, 0x1f44c, | |
1833 | 0x1f684, 0x1f690, | |
1834 | 0x1f6c0, 0x1f6c0, | |
1835 | 0x1f6e0, 0x1f6e0, | |
1836 | 0x1f700, 0x1f784, | |
1837 | 0x1f7c0, 0x1f7c8, | |
1838 | 0x1f808, 0x1f80c, | |
1839 | 0x1f840, 0x1f84c, | |
1840 | 0x1fa84, 0x1fa90, | |
1841 | 0x1fac0, 0x1fac0, | |
1842 | 0x1fae0, 0x1fae0, | |
1843 | 0x1fb00, 0x1fb84, | |
1844 | 0x1fbc0, 0x1fbc8, | |
1845 | 0x1fc08, 0x1fc0c, | |
1846 | 0x1fc40, 0x1fc4c, | |
1847 | 0x1fe84, 0x1fe90, | |
1848 | 0x1fec0, 0x1fec0, | |
1849 | 0x1fee0, 0x1fee0, | |
1850 | 0x1ff00, 0x1ff84, | |
1851 | 0x1ffc0, 0x1ffc8, | |
1852 | 0x30000, 0x30030, | |
1853 | 0x30100, 0x30144, | |
1854 | 0x30190, 0x301d0, | |
1855 | 0x30200, 0x30318, | |
1856 | 0x30400, 0x3052c, | |
1857 | 0x30540, 0x3061c, | |
1858 | 0x30800, 0x30834, | |
1859 | 0x308c0, 0x30908, | |
1860 | 0x30910, 0x309ac, | |
1861 | 0x30a00, 0x30a04, | |
1862 | 0x30a0c, 0x30a2c, | |
1863 | 0x30a44, 0x30a50, | |
1864 | 0x30a74, 0x30c24, | |
1865 | 0x30d08, 0x30d14, | |
1866 | 0x30d1c, 0x30d20, | |
1867 | 0x30d3c, 0x30d50, | |
1868 | 0x31200, 0x3120c, | |
1869 | 0x31220, 0x31220, | |
1870 | 0x31240, 0x31240, | |
1871 | 0x31600, 0x31600, | |
1872 | 0x31608, 0x3160c, | |
1873 | 0x31a00, 0x31a1c, | |
1874 | 0x31e04, 0x31e20, | |
1875 | 0x31e38, 0x31e3c, | |
1876 | 0x31e80, 0x31e80, | |
1877 | 0x31e88, 0x31ea8, | |
1878 | 0x31eb0, 0x31eb4, | |
1879 | 0x31ec8, 0x31ed4, | |
1880 | 0x31fb8, 0x32004, | |
1881 | 0x32208, 0x3223c, | |
1882 | 0x32600, 0x32630, | |
1883 | 0x32a00, 0x32abc, | |
1884 | 0x32b00, 0x32b70, | |
1885 | 0x33000, 0x33048, | |
1886 | 0x33060, 0x3309c, | |
1887 | 0x330f0, 0x33148, | |
1888 | 0x33160, 0x3319c, | |
1889 | 0x331f0, 0x332e4, | |
1890 | 0x332f8, 0x333e4, | |
1891 | 0x333f8, 0x33448, | |
1892 | 0x33460, 0x3349c, | |
1893 | 0x334f0, 0x33548, | |
1894 | 0x33560, 0x3359c, | |
1895 | 0x335f0, 0x336e4, | |
1896 | 0x336f8, 0x337e4, | |
1897 | 0x337f8, 0x337fc, | |
1898 | 0x33814, 0x33814, | |
1899 | 0x3382c, 0x3382c, | |
1900 | 0x33880, 0x3388c, | |
1901 | 0x338e8, 0x338ec, | |
1902 | 0x33900, 0x33948, | |
1903 | 0x33960, 0x3399c, | |
1904 | 0x339f0, 0x33ae4, | |
1905 | 0x33af8, 0x33b10, | |
1906 | 0x33b28, 0x33b28, | |
1907 | 0x33b3c, 0x33b50, | |
1908 | 0x33bf0, 0x33c10, | |
1909 | 0x33c28, 0x33c28, | |
1910 | 0x33c3c, 0x33c50, | |
1911 | 0x33cf0, 0x33cfc, | |
1912 | 0x34000, 0x34030, | |
1913 | 0x34100, 0x34144, | |
1914 | 0x34190, 0x341d0, | |
1915 | 0x34200, 0x34318, | |
1916 | 0x34400, 0x3452c, | |
1917 | 0x34540, 0x3461c, | |
1918 | 0x34800, 0x34834, | |
1919 | 0x348c0, 0x34908, | |
1920 | 0x34910, 0x349ac, | |
1921 | 0x34a00, 0x34a04, | |
1922 | 0x34a0c, 0x34a2c, | |
1923 | 0x34a44, 0x34a50, | |
1924 | 0x34a74, 0x34c24, | |
1925 | 0x34d08, 0x34d14, | |
1926 | 0x34d1c, 0x34d20, | |
1927 | 0x34d3c, 0x34d50, | |
1928 | 0x35200, 0x3520c, | |
1929 | 0x35220, 0x35220, | |
1930 | 0x35240, 0x35240, | |
1931 | 0x35600, 0x35600, | |
1932 | 0x35608, 0x3560c, | |
1933 | 0x35a00, 0x35a1c, | |
1934 | 0x35e04, 0x35e20, | |
1935 | 0x35e38, 0x35e3c, | |
1936 | 0x35e80, 0x35e80, | |
1937 | 0x35e88, 0x35ea8, | |
1938 | 0x35eb0, 0x35eb4, | |
1939 | 0x35ec8, 0x35ed4, | |
1940 | 0x35fb8, 0x36004, | |
1941 | 0x36208, 0x3623c, | |
1942 | 0x36600, 0x36630, | |
1943 | 0x36a00, 0x36abc, | |
1944 | 0x36b00, 0x36b70, | |
1945 | 0x37000, 0x37048, | |
1946 | 0x37060, 0x3709c, | |
1947 | 0x370f0, 0x37148, | |
1948 | 0x37160, 0x3719c, | |
1949 | 0x371f0, 0x372e4, | |
1950 | 0x372f8, 0x373e4, | |
1951 | 0x373f8, 0x37448, | |
1952 | 0x37460, 0x3749c, | |
1953 | 0x374f0, 0x37548, | |
1954 | 0x37560, 0x3759c, | |
1955 | 0x375f0, 0x376e4, | |
1956 | 0x376f8, 0x377e4, | |
1957 | 0x377f8, 0x377fc, | |
1958 | 0x37814, 0x37814, | |
1959 | 0x3782c, 0x3782c, | |
1960 | 0x37880, 0x3788c, | |
1961 | 0x378e8, 0x378ec, | |
1962 | 0x37900, 0x37948, | |
1963 | 0x37960, 0x3799c, | |
1964 | 0x379f0, 0x37ae4, | |
1965 | 0x37af8, 0x37b10, | |
1966 | 0x37b28, 0x37b28, | |
1967 | 0x37b3c, 0x37b50, | |
1968 | 0x37bf0, 0x37c10, | |
1969 | 0x37c28, 0x37c28, | |
1970 | 0x37c3c, 0x37c50, | |
1971 | 0x37cf0, 0x37cfc, | |
1972 | 0x38000, 0x38030, | |
1973 | 0x38100, 0x38144, | |
1974 | 0x38190, 0x381d0, | |
1975 | 0x38200, 0x38318, | |
1976 | 0x38400, 0x3852c, | |
1977 | 0x38540, 0x3861c, | |
1978 | 0x38800, 0x38834, | |
1979 | 0x388c0, 0x38908, | |
1980 | 0x38910, 0x389ac, | |
1981 | 0x38a00, 0x38a04, | |
1982 | 0x38a0c, 0x38a2c, | |
1983 | 0x38a44, 0x38a50, | |
1984 | 0x38a74, 0x38c24, | |
1985 | 0x38d08, 0x38d14, | |
1986 | 0x38d1c, 0x38d20, | |
1987 | 0x38d3c, 0x38d50, | |
1988 | 0x39200, 0x3920c, | |
1989 | 0x39220, 0x39220, | |
1990 | 0x39240, 0x39240, | |
1991 | 0x39600, 0x39600, | |
1992 | 0x39608, 0x3960c, | |
1993 | 0x39a00, 0x39a1c, | |
1994 | 0x39e04, 0x39e20, | |
1995 | 0x39e38, 0x39e3c, | |
1996 | 0x39e80, 0x39e80, | |
1997 | 0x39e88, 0x39ea8, | |
1998 | 0x39eb0, 0x39eb4, | |
1999 | 0x39ec8, 0x39ed4, | |
2000 | 0x39fb8, 0x3a004, | |
2001 | 0x3a208, 0x3a23c, | |
2002 | 0x3a600, 0x3a630, | |
2003 | 0x3aa00, 0x3aabc, | |
2004 | 0x3ab00, 0x3ab70, | |
2005 | 0x3b000, 0x3b048, | |
2006 | 0x3b060, 0x3b09c, | |
2007 | 0x3b0f0, 0x3b148, | |
2008 | 0x3b160, 0x3b19c, | |
2009 | 0x3b1f0, 0x3b2e4, | |
2010 | 0x3b2f8, 0x3b3e4, | |
2011 | 0x3b3f8, 0x3b448, | |
2012 | 0x3b460, 0x3b49c, | |
2013 | 0x3b4f0, 0x3b548, | |
2014 | 0x3b560, 0x3b59c, | |
2015 | 0x3b5f0, 0x3b6e4, | |
2016 | 0x3b6f8, 0x3b7e4, | |
2017 | 0x3b7f8, 0x3b7fc, | |
2018 | 0x3b814, 0x3b814, | |
2019 | 0x3b82c, 0x3b82c, | |
2020 | 0x3b880, 0x3b88c, | |
2021 | 0x3b8e8, 0x3b8ec, | |
2022 | 0x3b900, 0x3b948, | |
2023 | 0x3b960, 0x3b99c, | |
2024 | 0x3b9f0, 0x3bae4, | |
2025 | 0x3baf8, 0x3bb10, | |
2026 | 0x3bb28, 0x3bb28, | |
2027 | 0x3bb3c, 0x3bb50, | |
2028 | 0x3bbf0, 0x3bc10, | |
2029 | 0x3bc28, 0x3bc28, | |
2030 | 0x3bc3c, 0x3bc50, | |
2031 | 0x3bcf0, 0x3bcfc, | |
2032 | 0x3c000, 0x3c030, | |
2033 | 0x3c100, 0x3c144, | |
2034 | 0x3c190, 0x3c1d0, | |
2035 | 0x3c200, 0x3c318, | |
2036 | 0x3c400, 0x3c52c, | |
2037 | 0x3c540, 0x3c61c, | |
2038 | 0x3c800, 0x3c834, | |
2039 | 0x3c8c0, 0x3c908, | |
2040 | 0x3c910, 0x3c9ac, | |
2041 | 0x3ca00, 0x3ca04, | |
2042 | 0x3ca0c, 0x3ca2c, | |
2043 | 0x3ca44, 0x3ca50, | |
2044 | 0x3ca74, 0x3cc24, | |
2045 | 0x3cd08, 0x3cd14, | |
2046 | 0x3cd1c, 0x3cd20, | |
2047 | 0x3cd3c, 0x3cd50, | |
2048 | 0x3d200, 0x3d20c, | |
2049 | 0x3d220, 0x3d220, | |
2050 | 0x3d240, 0x3d240, | |
2051 | 0x3d600, 0x3d600, | |
2052 | 0x3d608, 0x3d60c, | |
2053 | 0x3da00, 0x3da1c, | |
2054 | 0x3de04, 0x3de20, | |
2055 | 0x3de38, 0x3de3c, | |
2056 | 0x3de80, 0x3de80, | |
2057 | 0x3de88, 0x3dea8, | |
2058 | 0x3deb0, 0x3deb4, | |
2059 | 0x3dec8, 0x3ded4, | |
2060 | 0x3dfb8, 0x3e004, | |
2061 | 0x3e208, 0x3e23c, | |
2062 | 0x3e600, 0x3e630, | |
2063 | 0x3ea00, 0x3eabc, | |
2064 | 0x3eb00, 0x3eb70, | |
2065 | 0x3f000, 0x3f048, | |
2066 | 0x3f060, 0x3f09c, | |
2067 | 0x3f0f0, 0x3f148, | |
2068 | 0x3f160, 0x3f19c, | |
2069 | 0x3f1f0, 0x3f2e4, | |
2070 | 0x3f2f8, 0x3f3e4, | |
2071 | 0x3f3f8, 0x3f448, | |
2072 | 0x3f460, 0x3f49c, | |
2073 | 0x3f4f0, 0x3f548, | |
2074 | 0x3f560, 0x3f59c, | |
2075 | 0x3f5f0, 0x3f6e4, | |
2076 | 0x3f6f8, 0x3f7e4, | |
2077 | 0x3f7f8, 0x3f7fc, | |
2078 | 0x3f814, 0x3f814, | |
2079 | 0x3f82c, 0x3f82c, | |
2080 | 0x3f880, 0x3f88c, | |
2081 | 0x3f8e8, 0x3f8ec, | |
2082 | 0x3f900, 0x3f948, | |
2083 | 0x3f960, 0x3f99c, | |
2084 | 0x3f9f0, 0x3fae4, | |
2085 | 0x3faf8, 0x3fb10, | |
2086 | 0x3fb28, 0x3fb28, | |
2087 | 0x3fb3c, 0x3fb50, | |
2088 | 0x3fbf0, 0x3fc10, | |
2089 | 0x3fc28, 0x3fc28, | |
2090 | 0x3fc3c, 0x3fc50, | |
2091 | 0x3fcf0, 0x3fcfc, | |
2092 | 0x40000, 0x4000c, | |
2093 | 0x40040, 0x40068, | |
2094 | 0x40080, 0x40144, | |
2095 | 0x40180, 0x4018c, | |
2096 | 0x40200, 0x40298, | |
2097 | 0x402ac, 0x4033c, | |
2098 | 0x403f8, 0x403fc, | |
2099 | 0x41300, 0x413c4, | |
2100 | 0x41400, 0x4141c, | |
2101 | 0x41480, 0x414d0, | |
2102 | 0x44000, 0x44078, | |
2103 | 0x440c0, 0x44278, | |
2104 | 0x442c0, 0x44478, | |
2105 | 0x444c0, 0x44678, | |
2106 | 0x446c0, 0x44878, | |
2107 | 0x448c0, 0x449fc, | |
2108 | 0x45000, 0x45068, | |
2109 | 0x45080, 0x45084, | |
2110 | 0x450a0, 0x450b0, | |
2111 | 0x45200, 0x45268, | |
2112 | 0x45280, 0x45284, | |
2113 | 0x452a0, 0x452b0, | |
2114 | 0x460c0, 0x460e4, | |
2115 | 0x47000, 0x4708c, | |
2116 | 0x47200, 0x47250, | |
2117 | 0x47400, 0x47420, | |
2118 | 0x47600, 0x47618, | |
2119 | 0x47800, 0x47814, | |
2120 | 0x48000, 0x4800c, | |
2121 | 0x48040, 0x48068, | |
2122 | 0x48080, 0x48144, | |
2123 | 0x48180, 0x4818c, | |
2124 | 0x48200, 0x48298, | |
2125 | 0x482ac, 0x4833c, | |
2126 | 0x483f8, 0x483fc, | |
2127 | 0x49300, 0x493c4, | |
2128 | 0x49400, 0x4941c, | |
2129 | 0x49480, 0x494d0, | |
2130 | 0x4c000, 0x4c078, | |
2131 | 0x4c0c0, 0x4c278, | |
2132 | 0x4c2c0, 0x4c478, | |
2133 | 0x4c4c0, 0x4c678, | |
2134 | 0x4c6c0, 0x4c878, | |
2135 | 0x4c8c0, 0x4c9fc, | |
2136 | 0x4d000, 0x4d068, | |
2137 | 0x4d080, 0x4d084, | |
2138 | 0x4d0a0, 0x4d0b0, | |
2139 | 0x4d200, 0x4d268, | |
2140 | 0x4d280, 0x4d284, | |
2141 | 0x4d2a0, 0x4d2b0, | |
2142 | 0x4e0c0, 0x4e0e4, | |
2143 | 0x4f000, 0x4f08c, | |
2144 | 0x4f200, 0x4f250, | |
2145 | 0x4f400, 0x4f420, | |
2146 | 0x4f600, 0x4f618, | |
2147 | 0x4f800, 0x4f814, | |
2148 | 0x50000, 0x500cc, | |
2149 | 0x50400, 0x50400, | |
2150 | 0x50800, 0x508cc, | |
2151 | 0x50c00, 0x50c00, | |
2152 | 0x51000, 0x5101c, | |
2153 | 0x51300, 0x51308, | |
2154 | }; | |
2155 | ||
b8ff05a9 DM |
2156 | int i; |
2157 | struct adapter *ap = netdev2adap(dev); | |
251f9e88 SR |
2158 | static const unsigned int *reg_ranges; |
2159 | int arr_size = 0, buf_size = 0; | |
2160 | ||
2161 | if (is_t4(ap->chip)) { | |
2162 | reg_ranges = &t4_reg_ranges[0]; | |
2163 | arr_size = ARRAY_SIZE(t4_reg_ranges); | |
2164 | buf_size = T4_REGMAP_SIZE; | |
2165 | } else { | |
2166 | reg_ranges = &t5_reg_ranges[0]; | |
2167 | arr_size = ARRAY_SIZE(t5_reg_ranges); | |
2168 | buf_size = T5_REGMAP_SIZE; | |
2169 | } | |
b8ff05a9 DM |
2170 | |
2171 | regs->version = mk_adap_vers(ap); | |
2172 | ||
251f9e88 SR |
2173 | memset(buf, 0, buf_size); |
2174 | for (i = 0; i < arr_size; i += 2) | |
b8ff05a9 DM |
2175 | reg_block_dump(ap, buf, reg_ranges[i], reg_ranges[i + 1]); |
2176 | } | |
2177 | ||
2178 | static int restart_autoneg(struct net_device *dev) | |
2179 | { | |
2180 | struct port_info *p = netdev_priv(dev); | |
2181 | ||
2182 | if (!netif_running(dev)) | |
2183 | return -EAGAIN; | |
2184 | if (p->link_cfg.autoneg != AUTONEG_ENABLE) | |
2185 | return -EINVAL; | |
060e0c75 | 2186 | t4_restart_aneg(p->adapter, p->adapter->fn, p->tx_chan); |
b8ff05a9 DM |
2187 | return 0; |
2188 | } | |
2189 | ||
c5e06360 DM |
2190 | static int identify_port(struct net_device *dev, |
2191 | enum ethtool_phys_id_state state) | |
b8ff05a9 | 2192 | { |
c5e06360 | 2193 | unsigned int val; |
060e0c75 DM |
2194 | struct adapter *adap = netdev2adap(dev); |
2195 | ||
c5e06360 DM |
2196 | if (state == ETHTOOL_ID_ACTIVE) |
2197 | val = 0xffff; | |
2198 | else if (state == ETHTOOL_ID_INACTIVE) | |
2199 | val = 0; | |
2200 | else | |
2201 | return -EINVAL; | |
b8ff05a9 | 2202 | |
c5e06360 | 2203 | return t4_identify_port(adap, adap->fn, netdev2pinfo(dev)->viid, val); |
b8ff05a9 DM |
2204 | } |
2205 | ||
2206 | static unsigned int from_fw_linkcaps(unsigned int type, unsigned int caps) | |
2207 | { | |
2208 | unsigned int v = 0; | |
2209 | ||
a0881cab DM |
2210 | if (type == FW_PORT_TYPE_BT_SGMII || type == FW_PORT_TYPE_BT_XFI || |
2211 | type == FW_PORT_TYPE_BT_XAUI) { | |
b8ff05a9 DM |
2212 | v |= SUPPORTED_TP; |
2213 | if (caps & FW_PORT_CAP_SPEED_100M) | |
2214 | v |= SUPPORTED_100baseT_Full; | |
2215 | if (caps & FW_PORT_CAP_SPEED_1G) | |
2216 | v |= SUPPORTED_1000baseT_Full; | |
2217 | if (caps & FW_PORT_CAP_SPEED_10G) | |
2218 | v |= SUPPORTED_10000baseT_Full; | |
2219 | } else if (type == FW_PORT_TYPE_KX4 || type == FW_PORT_TYPE_KX) { | |
2220 | v |= SUPPORTED_Backplane; | |
2221 | if (caps & FW_PORT_CAP_SPEED_1G) | |
2222 | v |= SUPPORTED_1000baseKX_Full; | |
2223 | if (caps & FW_PORT_CAP_SPEED_10G) | |
2224 | v |= SUPPORTED_10000baseKX4_Full; | |
2225 | } else if (type == FW_PORT_TYPE_KR) | |
2226 | v |= SUPPORTED_Backplane | SUPPORTED_10000baseKR_Full; | |
a0881cab | 2227 | else if (type == FW_PORT_TYPE_BP_AP) |
7d5e77aa DM |
2228 | v |= SUPPORTED_Backplane | SUPPORTED_10000baseR_FEC | |
2229 | SUPPORTED_10000baseKR_Full | SUPPORTED_1000baseKX_Full; | |
2230 | else if (type == FW_PORT_TYPE_BP4_AP) | |
2231 | v |= SUPPORTED_Backplane | SUPPORTED_10000baseR_FEC | | |
2232 | SUPPORTED_10000baseKR_Full | SUPPORTED_1000baseKX_Full | | |
2233 | SUPPORTED_10000baseKX4_Full; | |
a0881cab DM |
2234 | else if (type == FW_PORT_TYPE_FIBER_XFI || |
2235 | type == FW_PORT_TYPE_FIBER_XAUI || type == FW_PORT_TYPE_SFP) | |
b8ff05a9 DM |
2236 | v |= SUPPORTED_FIBRE; |
2237 | ||
2238 | if (caps & FW_PORT_CAP_ANEG) | |
2239 | v |= SUPPORTED_Autoneg; | |
2240 | return v; | |
2241 | } | |
2242 | ||
2243 | static unsigned int to_fw_linkcaps(unsigned int caps) | |
2244 | { | |
2245 | unsigned int v = 0; | |
2246 | ||
2247 | if (caps & ADVERTISED_100baseT_Full) | |
2248 | v |= FW_PORT_CAP_SPEED_100M; | |
2249 | if (caps & ADVERTISED_1000baseT_Full) | |
2250 | v |= FW_PORT_CAP_SPEED_1G; | |
2251 | if (caps & ADVERTISED_10000baseT_Full) | |
2252 | v |= FW_PORT_CAP_SPEED_10G; | |
2253 | return v; | |
2254 | } | |
2255 | ||
2256 | static int get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
2257 | { | |
2258 | const struct port_info *p = netdev_priv(dev); | |
2259 | ||
2260 | if (p->port_type == FW_PORT_TYPE_BT_SGMII || | |
a0881cab | 2261 | p->port_type == FW_PORT_TYPE_BT_XFI || |
b8ff05a9 DM |
2262 | p->port_type == FW_PORT_TYPE_BT_XAUI) |
2263 | cmd->port = PORT_TP; | |
a0881cab DM |
2264 | else if (p->port_type == FW_PORT_TYPE_FIBER_XFI || |
2265 | p->port_type == FW_PORT_TYPE_FIBER_XAUI) | |
b8ff05a9 | 2266 | cmd->port = PORT_FIBRE; |
a0881cab DM |
2267 | else if (p->port_type == FW_PORT_TYPE_SFP) { |
2268 | if (p->mod_type == FW_PORT_MOD_TYPE_TWINAX_PASSIVE || | |
2269 | p->mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE) | |
2270 | cmd->port = PORT_DA; | |
2271 | else | |
2272 | cmd->port = PORT_FIBRE; | |
2273 | } else | |
b8ff05a9 DM |
2274 | cmd->port = PORT_OTHER; |
2275 | ||
2276 | if (p->mdio_addr >= 0) { | |
2277 | cmd->phy_address = p->mdio_addr; | |
2278 | cmd->transceiver = XCVR_EXTERNAL; | |
2279 | cmd->mdio_support = p->port_type == FW_PORT_TYPE_BT_SGMII ? | |
2280 | MDIO_SUPPORTS_C22 : MDIO_SUPPORTS_C45; | |
2281 | } else { | |
2282 | cmd->phy_address = 0; /* not really, but no better option */ | |
2283 | cmd->transceiver = XCVR_INTERNAL; | |
2284 | cmd->mdio_support = 0; | |
2285 | } | |
2286 | ||
2287 | cmd->supported = from_fw_linkcaps(p->port_type, p->link_cfg.supported); | |
2288 | cmd->advertising = from_fw_linkcaps(p->port_type, | |
2289 | p->link_cfg.advertising); | |
70739497 DD |
2290 | ethtool_cmd_speed_set(cmd, |
2291 | netif_carrier_ok(dev) ? p->link_cfg.speed : 0); | |
b8ff05a9 DM |
2292 | cmd->duplex = DUPLEX_FULL; |
2293 | cmd->autoneg = p->link_cfg.autoneg; | |
2294 | cmd->maxtxpkt = 0; | |
2295 | cmd->maxrxpkt = 0; | |
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | static unsigned int speed_to_caps(int speed) | |
2300 | { | |
2301 | if (speed == SPEED_100) | |
2302 | return FW_PORT_CAP_SPEED_100M; | |
2303 | if (speed == SPEED_1000) | |
2304 | return FW_PORT_CAP_SPEED_1G; | |
2305 | if (speed == SPEED_10000) | |
2306 | return FW_PORT_CAP_SPEED_10G; | |
2307 | return 0; | |
2308 | } | |
2309 | ||
2310 | static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
2311 | { | |
2312 | unsigned int cap; | |
2313 | struct port_info *p = netdev_priv(dev); | |
2314 | struct link_config *lc = &p->link_cfg; | |
25db0338 | 2315 | u32 speed = ethtool_cmd_speed(cmd); |
b8ff05a9 DM |
2316 | |
2317 | if (cmd->duplex != DUPLEX_FULL) /* only full-duplex supported */ | |
2318 | return -EINVAL; | |
2319 | ||
2320 | if (!(lc->supported & FW_PORT_CAP_ANEG)) { | |
2321 | /* | |
2322 | * PHY offers a single speed. See if that's what's | |
2323 | * being requested. | |
2324 | */ | |
2325 | if (cmd->autoneg == AUTONEG_DISABLE && | |
25db0338 DD |
2326 | (lc->supported & speed_to_caps(speed))) |
2327 | return 0; | |
b8ff05a9 DM |
2328 | return -EINVAL; |
2329 | } | |
2330 | ||
2331 | if (cmd->autoneg == AUTONEG_DISABLE) { | |
25db0338 | 2332 | cap = speed_to_caps(speed); |
b8ff05a9 | 2333 | |
25db0338 DD |
2334 | if (!(lc->supported & cap) || (speed == SPEED_1000) || |
2335 | (speed == SPEED_10000)) | |
b8ff05a9 DM |
2336 | return -EINVAL; |
2337 | lc->requested_speed = cap; | |
2338 | lc->advertising = 0; | |
2339 | } else { | |
2340 | cap = to_fw_linkcaps(cmd->advertising); | |
2341 | if (!(lc->supported & cap)) | |
2342 | return -EINVAL; | |
2343 | lc->requested_speed = 0; | |
2344 | lc->advertising = cap | FW_PORT_CAP_ANEG; | |
2345 | } | |
2346 | lc->autoneg = cmd->autoneg; | |
2347 | ||
2348 | if (netif_running(dev)) | |
060e0c75 DM |
2349 | return t4_link_start(p->adapter, p->adapter->fn, p->tx_chan, |
2350 | lc); | |
b8ff05a9 DM |
2351 | return 0; |
2352 | } | |
2353 | ||
2354 | static void get_pauseparam(struct net_device *dev, | |
2355 | struct ethtool_pauseparam *epause) | |
2356 | { | |
2357 | struct port_info *p = netdev_priv(dev); | |
2358 | ||
2359 | epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0; | |
2360 | epause->rx_pause = (p->link_cfg.fc & PAUSE_RX) != 0; | |
2361 | epause->tx_pause = (p->link_cfg.fc & PAUSE_TX) != 0; | |
2362 | } | |
2363 | ||
2364 | static int set_pauseparam(struct net_device *dev, | |
2365 | struct ethtool_pauseparam *epause) | |
2366 | { | |
2367 | struct port_info *p = netdev_priv(dev); | |
2368 | struct link_config *lc = &p->link_cfg; | |
2369 | ||
2370 | if (epause->autoneg == AUTONEG_DISABLE) | |
2371 | lc->requested_fc = 0; | |
2372 | else if (lc->supported & FW_PORT_CAP_ANEG) | |
2373 | lc->requested_fc = PAUSE_AUTONEG; | |
2374 | else | |
2375 | return -EINVAL; | |
2376 | ||
2377 | if (epause->rx_pause) | |
2378 | lc->requested_fc |= PAUSE_RX; | |
2379 | if (epause->tx_pause) | |
2380 | lc->requested_fc |= PAUSE_TX; | |
2381 | if (netif_running(dev)) | |
060e0c75 DM |
2382 | return t4_link_start(p->adapter, p->adapter->fn, p->tx_chan, |
2383 | lc); | |
b8ff05a9 DM |
2384 | return 0; |
2385 | } | |
2386 | ||
b8ff05a9 DM |
2387 | static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) |
2388 | { | |
2389 | const struct port_info *pi = netdev_priv(dev); | |
2390 | const struct sge *s = &pi->adapter->sge; | |
2391 | ||
2392 | e->rx_max_pending = MAX_RX_BUFFERS; | |
2393 | e->rx_mini_max_pending = MAX_RSPQ_ENTRIES; | |
2394 | e->rx_jumbo_max_pending = 0; | |
2395 | e->tx_max_pending = MAX_TXQ_ENTRIES; | |
2396 | ||
2397 | e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8; | |
2398 | e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size; | |
2399 | e->rx_jumbo_pending = 0; | |
2400 | e->tx_pending = s->ethtxq[pi->first_qset].q.size; | |
2401 | } | |
2402 | ||
2403 | static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) | |
2404 | { | |
2405 | int i; | |
2406 | const struct port_info *pi = netdev_priv(dev); | |
2407 | struct adapter *adapter = pi->adapter; | |
2408 | struct sge *s = &adapter->sge; | |
2409 | ||
2410 | if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending || | |
2411 | e->tx_pending > MAX_TXQ_ENTRIES || | |
2412 | e->rx_mini_pending > MAX_RSPQ_ENTRIES || | |
2413 | e->rx_mini_pending < MIN_RSPQ_ENTRIES || | |
2414 | e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES) | |
2415 | return -EINVAL; | |
2416 | ||
2417 | if (adapter->flags & FULL_INIT_DONE) | |
2418 | return -EBUSY; | |
2419 | ||
2420 | for (i = 0; i < pi->nqsets; ++i) { | |
2421 | s->ethtxq[pi->first_qset + i].q.size = e->tx_pending; | |
2422 | s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8; | |
2423 | s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending; | |
2424 | } | |
2425 | return 0; | |
2426 | } | |
2427 | ||
2428 | static int closest_timer(const struct sge *s, int time) | |
2429 | { | |
2430 | int i, delta, match = 0, min_delta = INT_MAX; | |
2431 | ||
2432 | for (i = 0; i < ARRAY_SIZE(s->timer_val); i++) { | |
2433 | delta = time - s->timer_val[i]; | |
2434 | if (delta < 0) | |
2435 | delta = -delta; | |
2436 | if (delta < min_delta) { | |
2437 | min_delta = delta; | |
2438 | match = i; | |
2439 | } | |
2440 | } | |
2441 | return match; | |
2442 | } | |
2443 | ||
2444 | static int closest_thres(const struct sge *s, int thres) | |
2445 | { | |
2446 | int i, delta, match = 0, min_delta = INT_MAX; | |
2447 | ||
2448 | for (i = 0; i < ARRAY_SIZE(s->counter_val); i++) { | |
2449 | delta = thres - s->counter_val[i]; | |
2450 | if (delta < 0) | |
2451 | delta = -delta; | |
2452 | if (delta < min_delta) { | |
2453 | min_delta = delta; | |
2454 | match = i; | |
2455 | } | |
2456 | } | |
2457 | return match; | |
2458 | } | |
2459 | ||
2460 | /* | |
2461 | * Return a queue's interrupt hold-off time in us. 0 means no timer. | |
2462 | */ | |
2463 | static unsigned int qtimer_val(const struct adapter *adap, | |
2464 | const struct sge_rspq *q) | |
2465 | { | |
2466 | unsigned int idx = q->intr_params >> 1; | |
2467 | ||
2468 | return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0; | |
2469 | } | |
2470 | ||
2471 | /** | |
2472 | * set_rxq_intr_params - set a queue's interrupt holdoff parameters | |
2473 | * @adap: the adapter | |
2474 | * @q: the Rx queue | |
2475 | * @us: the hold-off time in us, or 0 to disable timer | |
2476 | * @cnt: the hold-off packet count, or 0 to disable counter | |
2477 | * | |
2478 | * Sets an Rx queue's interrupt hold-off time and packet count. At least | |
2479 | * one of the two needs to be enabled for the queue to generate interrupts. | |
2480 | */ | |
2481 | static int set_rxq_intr_params(struct adapter *adap, struct sge_rspq *q, | |
2482 | unsigned int us, unsigned int cnt) | |
2483 | { | |
2484 | if ((us | cnt) == 0) | |
2485 | cnt = 1; | |
2486 | ||
2487 | if (cnt) { | |
2488 | int err; | |
2489 | u32 v, new_idx; | |
2490 | ||
2491 | new_idx = closest_thres(&adap->sge, cnt); | |
2492 | if (q->desc && q->pktcnt_idx != new_idx) { | |
2493 | /* the queue has already been created, update it */ | |
2494 | v = FW_PARAMS_MNEM(FW_PARAMS_MNEM_DMAQ) | | |
2495 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DMAQ_IQ_INTCNTTHRESH) | | |
2496 | FW_PARAMS_PARAM_YZ(q->cntxt_id); | |
060e0c75 DM |
2497 | err = t4_set_params(adap, adap->fn, adap->fn, 0, 1, &v, |
2498 | &new_idx); | |
b8ff05a9 DM |
2499 | if (err) |
2500 | return err; | |
2501 | } | |
2502 | q->pktcnt_idx = new_idx; | |
2503 | } | |
2504 | ||
2505 | us = us == 0 ? 6 : closest_timer(&adap->sge, us); | |
2506 | q->intr_params = QINTR_TIMER_IDX(us) | (cnt > 0 ? QINTR_CNT_EN : 0); | |
2507 | return 0; | |
2508 | } | |
2509 | ||
2510 | static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
2511 | { | |
2512 | const struct port_info *pi = netdev_priv(dev); | |
2513 | struct adapter *adap = pi->adapter; | |
d4fc9dc2 TLSC |
2514 | struct sge_rspq *q; |
2515 | int i; | |
2516 | int r = 0; | |
2517 | ||
2518 | for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++) { | |
2519 | q = &adap->sge.ethrxq[i].rspq; | |
2520 | r = set_rxq_intr_params(adap, q, c->rx_coalesce_usecs, | |
2521 | c->rx_max_coalesced_frames); | |
2522 | if (r) { | |
2523 | dev_err(&dev->dev, "failed to set coalesce %d\n", r); | |
2524 | break; | |
2525 | } | |
2526 | } | |
2527 | return r; | |
b8ff05a9 DM |
2528 | } |
2529 | ||
2530 | static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) | |
2531 | { | |
2532 | const struct port_info *pi = netdev_priv(dev); | |
2533 | const struct adapter *adap = pi->adapter; | |
2534 | const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq; | |
2535 | ||
2536 | c->rx_coalesce_usecs = qtimer_val(adap, rq); | |
2537 | c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN) ? | |
2538 | adap->sge.counter_val[rq->pktcnt_idx] : 0; | |
2539 | return 0; | |
2540 | } | |
2541 | ||
1478b3ee DM |
2542 | /** |
2543 | * eeprom_ptov - translate a physical EEPROM address to virtual | |
2544 | * @phys_addr: the physical EEPROM address | |
2545 | * @fn: the PCI function number | |
2546 | * @sz: size of function-specific area | |
2547 | * | |
2548 | * Translate a physical EEPROM address to virtual. The first 1K is | |
2549 | * accessed through virtual addresses starting at 31K, the rest is | |
2550 | * accessed through virtual addresses starting at 0. | |
2551 | * | |
2552 | * The mapping is as follows: | |
2553 | * [0..1K) -> [31K..32K) | |
2554 | * [1K..1K+A) -> [31K-A..31K) | |
2555 | * [1K+A..ES) -> [0..ES-A-1K) | |
2556 | * | |
2557 | * where A = @fn * @sz, and ES = EEPROM size. | |
b8ff05a9 | 2558 | */ |
1478b3ee | 2559 | static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz) |
b8ff05a9 | 2560 | { |
1478b3ee | 2561 | fn *= sz; |
b8ff05a9 DM |
2562 | if (phys_addr < 1024) |
2563 | return phys_addr + (31 << 10); | |
1478b3ee DM |
2564 | if (phys_addr < 1024 + fn) |
2565 | return 31744 - fn + phys_addr - 1024; | |
b8ff05a9 | 2566 | if (phys_addr < EEPROMSIZE) |
1478b3ee | 2567 | return phys_addr - 1024 - fn; |
b8ff05a9 DM |
2568 | return -EINVAL; |
2569 | } | |
2570 | ||
2571 | /* | |
2572 | * The next two routines implement eeprom read/write from physical addresses. | |
b8ff05a9 DM |
2573 | */ |
2574 | static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) | |
2575 | { | |
1478b3ee | 2576 | int vaddr = eeprom_ptov(phys_addr, adap->fn, EEPROMPFSIZE); |
b8ff05a9 DM |
2577 | |
2578 | if (vaddr >= 0) | |
2579 | vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v); | |
2580 | return vaddr < 0 ? vaddr : 0; | |
2581 | } | |
2582 | ||
2583 | static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) | |
2584 | { | |
1478b3ee | 2585 | int vaddr = eeprom_ptov(phys_addr, adap->fn, EEPROMPFSIZE); |
b8ff05a9 DM |
2586 | |
2587 | if (vaddr >= 0) | |
2588 | vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v); | |
2589 | return vaddr < 0 ? vaddr : 0; | |
2590 | } | |
2591 | ||
2592 | #define EEPROM_MAGIC 0x38E2F10C | |
2593 | ||
2594 | static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, | |
2595 | u8 *data) | |
2596 | { | |
2597 | int i, err = 0; | |
2598 | struct adapter *adapter = netdev2adap(dev); | |
2599 | ||
2600 | u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL); | |
2601 | if (!buf) | |
2602 | return -ENOMEM; | |
2603 | ||
2604 | e->magic = EEPROM_MAGIC; | |
2605 | for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) | |
2606 | err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); | |
2607 | ||
2608 | if (!err) | |
2609 | memcpy(data, buf + e->offset, e->len); | |
2610 | kfree(buf); | |
2611 | return err; | |
2612 | } | |
2613 | ||
2614 | static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, | |
2615 | u8 *data) | |
2616 | { | |
2617 | u8 *buf; | |
2618 | int err = 0; | |
2619 | u32 aligned_offset, aligned_len, *p; | |
2620 | struct adapter *adapter = netdev2adap(dev); | |
2621 | ||
2622 | if (eeprom->magic != EEPROM_MAGIC) | |
2623 | return -EINVAL; | |
2624 | ||
2625 | aligned_offset = eeprom->offset & ~3; | |
2626 | aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; | |
2627 | ||
1478b3ee DM |
2628 | if (adapter->fn > 0) { |
2629 | u32 start = 1024 + adapter->fn * EEPROMPFSIZE; | |
2630 | ||
2631 | if (aligned_offset < start || | |
2632 | aligned_offset + aligned_len > start + EEPROMPFSIZE) | |
2633 | return -EPERM; | |
2634 | } | |
2635 | ||
b8ff05a9 DM |
2636 | if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { |
2637 | /* | |
2638 | * RMW possibly needed for first or last words. | |
2639 | */ | |
2640 | buf = kmalloc(aligned_len, GFP_KERNEL); | |
2641 | if (!buf) | |
2642 | return -ENOMEM; | |
2643 | err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); | |
2644 | if (!err && aligned_len > 4) | |
2645 | err = eeprom_rd_phys(adapter, | |
2646 | aligned_offset + aligned_len - 4, | |
2647 | (u32 *)&buf[aligned_len - 4]); | |
2648 | if (err) | |
2649 | goto out; | |
2650 | memcpy(buf + (eeprom->offset & 3), data, eeprom->len); | |
2651 | } else | |
2652 | buf = data; | |
2653 | ||
2654 | err = t4_seeprom_wp(adapter, false); | |
2655 | if (err) | |
2656 | goto out; | |
2657 | ||
2658 | for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { | |
2659 | err = eeprom_wr_phys(adapter, aligned_offset, *p); | |
2660 | aligned_offset += 4; | |
2661 | } | |
2662 | ||
2663 | if (!err) | |
2664 | err = t4_seeprom_wp(adapter, true); | |
2665 | out: | |
2666 | if (buf != data) | |
2667 | kfree(buf); | |
2668 | return err; | |
2669 | } | |
2670 | ||
2671 | static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) | |
2672 | { | |
2673 | int ret; | |
2674 | const struct firmware *fw; | |
2675 | struct adapter *adap = netdev2adap(netdev); | |
2676 | ||
2677 | ef->data[sizeof(ef->data) - 1] = '\0'; | |
2678 | ret = request_firmware(&fw, ef->data, adap->pdev_dev); | |
2679 | if (ret < 0) | |
2680 | return ret; | |
2681 | ||
2682 | ret = t4_load_fw(adap, fw->data, fw->size); | |
2683 | release_firmware(fw); | |
2684 | if (!ret) | |
2685 | dev_info(adap->pdev_dev, "loaded firmware %s\n", ef->data); | |
2686 | return ret; | |
2687 | } | |
2688 | ||
2689 | #define WOL_SUPPORTED (WAKE_BCAST | WAKE_MAGIC) | |
2690 | #define BCAST_CRC 0xa0ccc1a6 | |
2691 | ||
2692 | static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
2693 | { | |
2694 | wol->supported = WAKE_BCAST | WAKE_MAGIC; | |
2695 | wol->wolopts = netdev2adap(dev)->wol; | |
2696 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
2697 | } | |
2698 | ||
2699 | static int set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
2700 | { | |
2701 | int err = 0; | |
2702 | struct port_info *pi = netdev_priv(dev); | |
2703 | ||
2704 | if (wol->wolopts & ~WOL_SUPPORTED) | |
2705 | return -EINVAL; | |
2706 | t4_wol_magic_enable(pi->adapter, pi->tx_chan, | |
2707 | (wol->wolopts & WAKE_MAGIC) ? dev->dev_addr : NULL); | |
2708 | if (wol->wolopts & WAKE_BCAST) { | |
2709 | err = t4_wol_pat_enable(pi->adapter, pi->tx_chan, 0xfe, ~0ULL, | |
2710 | ~0ULL, 0, false); | |
2711 | if (!err) | |
2712 | err = t4_wol_pat_enable(pi->adapter, pi->tx_chan, 1, | |
2713 | ~6ULL, ~0ULL, BCAST_CRC, true); | |
2714 | } else | |
2715 | t4_wol_pat_enable(pi->adapter, pi->tx_chan, 0, 0, 0, 0, false); | |
2716 | return err; | |
2717 | } | |
2718 | ||
c8f44aff | 2719 | static int cxgb_set_features(struct net_device *dev, netdev_features_t features) |
87b6cf51 | 2720 | { |
2ed28baa | 2721 | const struct port_info *pi = netdev_priv(dev); |
c8f44aff | 2722 | netdev_features_t changed = dev->features ^ features; |
19ecae2c | 2723 | int err; |
19ecae2c | 2724 | |
2ed28baa MM |
2725 | if (!(changed & NETIF_F_HW_VLAN_RX)) |
2726 | return 0; | |
19ecae2c | 2727 | |
2ed28baa MM |
2728 | err = t4_set_rxmode(pi->adapter, pi->adapter->fn, pi->viid, -1, |
2729 | -1, -1, -1, | |
2730 | !!(features & NETIF_F_HW_VLAN_RX), true); | |
2731 | if (unlikely(err)) | |
2732 | dev->features = features ^ NETIF_F_HW_VLAN_RX; | |
19ecae2c | 2733 | return err; |
87b6cf51 DM |
2734 | } |
2735 | ||
7850f63f | 2736 | static u32 get_rss_table_size(struct net_device *dev) |
671b0060 DM |
2737 | { |
2738 | const struct port_info *pi = netdev_priv(dev); | |
671b0060 | 2739 | |
7850f63f BH |
2740 | return pi->rss_size; |
2741 | } | |
2742 | ||
2743 | static int get_rss_table(struct net_device *dev, u32 *p) | |
2744 | { | |
2745 | const struct port_info *pi = netdev_priv(dev); | |
2746 | unsigned int n = pi->rss_size; | |
2747 | ||
671b0060 | 2748 | while (n--) |
7850f63f | 2749 | p[n] = pi->rss[n]; |
671b0060 DM |
2750 | return 0; |
2751 | } | |
2752 | ||
7850f63f | 2753 | static int set_rss_table(struct net_device *dev, const u32 *p) |
671b0060 DM |
2754 | { |
2755 | unsigned int i; | |
2756 | struct port_info *pi = netdev_priv(dev); | |
2757 | ||
7850f63f BH |
2758 | for (i = 0; i < pi->rss_size; i++) |
2759 | pi->rss[i] = p[i]; | |
671b0060 DM |
2760 | if (pi->adapter->flags & FULL_INIT_DONE) |
2761 | return write_rss(pi, pi->rss); | |
2762 | return 0; | |
2763 | } | |
2764 | ||
2765 | static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, | |
815c7db5 | 2766 | u32 *rules) |
671b0060 | 2767 | { |
f796564a DM |
2768 | const struct port_info *pi = netdev_priv(dev); |
2769 | ||
671b0060 | 2770 | switch (info->cmd) { |
f796564a DM |
2771 | case ETHTOOL_GRXFH: { |
2772 | unsigned int v = pi->rss_mode; | |
2773 | ||
2774 | info->data = 0; | |
2775 | switch (info->flow_type) { | |
2776 | case TCP_V4_FLOW: | |
2777 | if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) | |
2778 | info->data = RXH_IP_SRC | RXH_IP_DST | | |
2779 | RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
2780 | else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) | |
2781 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2782 | break; | |
2783 | case UDP_V4_FLOW: | |
2784 | if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) && | |
2785 | (v & FW_RSS_VI_CONFIG_CMD_UDPEN)) | |
2786 | info->data = RXH_IP_SRC | RXH_IP_DST | | |
2787 | RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
2788 | else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) | |
2789 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2790 | break; | |
2791 | case SCTP_V4_FLOW: | |
2792 | case AH_ESP_V4_FLOW: | |
2793 | case IPV4_FLOW: | |
2794 | if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) | |
2795 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2796 | break; | |
2797 | case TCP_V6_FLOW: | |
2798 | if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) | |
2799 | info->data = RXH_IP_SRC | RXH_IP_DST | | |
2800 | RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
2801 | else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) | |
2802 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2803 | break; | |
2804 | case UDP_V6_FLOW: | |
2805 | if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) && | |
2806 | (v & FW_RSS_VI_CONFIG_CMD_UDPEN)) | |
2807 | info->data = RXH_IP_SRC | RXH_IP_DST | | |
2808 | RXH_L4_B_0_1 | RXH_L4_B_2_3; | |
2809 | else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) | |
2810 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2811 | break; | |
2812 | case SCTP_V6_FLOW: | |
2813 | case AH_ESP_V6_FLOW: | |
2814 | case IPV6_FLOW: | |
2815 | if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) | |
2816 | info->data = RXH_IP_SRC | RXH_IP_DST; | |
2817 | break; | |
2818 | } | |
2819 | return 0; | |
2820 | } | |
671b0060 | 2821 | case ETHTOOL_GRXRINGS: |
f796564a | 2822 | info->data = pi->nqsets; |
671b0060 DM |
2823 | return 0; |
2824 | } | |
2825 | return -EOPNOTSUPP; | |
2826 | } | |
2827 | ||
9b07be4b | 2828 | static const struct ethtool_ops cxgb_ethtool_ops = { |
b8ff05a9 DM |
2829 | .get_settings = get_settings, |
2830 | .set_settings = set_settings, | |
2831 | .get_drvinfo = get_drvinfo, | |
2832 | .get_msglevel = get_msglevel, | |
2833 | .set_msglevel = set_msglevel, | |
2834 | .get_ringparam = get_sge_param, | |
2835 | .set_ringparam = set_sge_param, | |
2836 | .get_coalesce = get_coalesce, | |
2837 | .set_coalesce = set_coalesce, | |
2838 | .get_eeprom_len = get_eeprom_len, | |
2839 | .get_eeprom = get_eeprom, | |
2840 | .set_eeprom = set_eeprom, | |
2841 | .get_pauseparam = get_pauseparam, | |
2842 | .set_pauseparam = set_pauseparam, | |
b8ff05a9 DM |
2843 | .get_link = ethtool_op_get_link, |
2844 | .get_strings = get_strings, | |
c5e06360 | 2845 | .set_phys_id = identify_port, |
b8ff05a9 DM |
2846 | .nway_reset = restart_autoneg, |
2847 | .get_sset_count = get_sset_count, | |
2848 | .get_ethtool_stats = get_stats, | |
2849 | .get_regs_len = get_regs_len, | |
2850 | .get_regs = get_regs, | |
2851 | .get_wol = get_wol, | |
2852 | .set_wol = set_wol, | |
671b0060 | 2853 | .get_rxnfc = get_rxnfc, |
7850f63f | 2854 | .get_rxfh_indir_size = get_rss_table_size, |
671b0060 DM |
2855 | .get_rxfh_indir = get_rss_table, |
2856 | .set_rxfh_indir = set_rss_table, | |
b8ff05a9 DM |
2857 | .flash_device = set_flash, |
2858 | }; | |
2859 | ||
2860 | /* | |
2861 | * debugfs support | |
2862 | */ | |
b8ff05a9 DM |
2863 | static ssize_t mem_read(struct file *file, char __user *buf, size_t count, |
2864 | loff_t *ppos) | |
2865 | { | |
2866 | loff_t pos = *ppos; | |
496ad9aa | 2867 | loff_t avail = file_inode(file)->i_size; |
b8ff05a9 DM |
2868 | unsigned int mem = (uintptr_t)file->private_data & 3; |
2869 | struct adapter *adap = file->private_data - mem; | |
2870 | ||
2871 | if (pos < 0) | |
2872 | return -EINVAL; | |
2873 | if (pos >= avail) | |
2874 | return 0; | |
2875 | if (count > avail - pos) | |
2876 | count = avail - pos; | |
2877 | ||
2878 | while (count) { | |
2879 | size_t len; | |
2880 | int ret, ofst; | |
2881 | __be32 data[16]; | |
2882 | ||
19dd37ba SR |
2883 | if ((mem == MEM_MC) || (mem == MEM_MC1)) |
2884 | ret = t4_mc_read(adap, mem % MEM_MC, pos, data, NULL); | |
b8ff05a9 DM |
2885 | else |
2886 | ret = t4_edc_read(adap, mem, pos, data, NULL); | |
2887 | if (ret) | |
2888 | return ret; | |
2889 | ||
2890 | ofst = pos % sizeof(data); | |
2891 | len = min(count, sizeof(data) - ofst); | |
2892 | if (copy_to_user(buf, (u8 *)data + ofst, len)) | |
2893 | return -EFAULT; | |
2894 | ||
2895 | buf += len; | |
2896 | pos += len; | |
2897 | count -= len; | |
2898 | } | |
2899 | count = pos - *ppos; | |
2900 | *ppos = pos; | |
2901 | return count; | |
2902 | } | |
2903 | ||
2904 | static const struct file_operations mem_debugfs_fops = { | |
2905 | .owner = THIS_MODULE, | |
234e3405 | 2906 | .open = simple_open, |
b8ff05a9 | 2907 | .read = mem_read, |
6038f373 | 2908 | .llseek = default_llseek, |
b8ff05a9 DM |
2909 | }; |
2910 | ||
91744948 | 2911 | static void add_debugfs_mem(struct adapter *adap, const char *name, |
1dd06ae8 | 2912 | unsigned int idx, unsigned int size_mb) |
b8ff05a9 DM |
2913 | { |
2914 | struct dentry *de; | |
2915 | ||
2916 | de = debugfs_create_file(name, S_IRUSR, adap->debugfs_root, | |
2917 | (void *)adap + idx, &mem_debugfs_fops); | |
2918 | if (de && de->d_inode) | |
2919 | de->d_inode->i_size = size_mb << 20; | |
2920 | } | |
2921 | ||
91744948 | 2922 | static int setup_debugfs(struct adapter *adap) |
b8ff05a9 DM |
2923 | { |
2924 | int i; | |
19dd37ba | 2925 | u32 size; |
b8ff05a9 DM |
2926 | |
2927 | if (IS_ERR_OR_NULL(adap->debugfs_root)) | |
2928 | return -1; | |
2929 | ||
2930 | i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE); | |
19dd37ba SR |
2931 | if (i & EDRAM0_ENABLE) { |
2932 | size = t4_read_reg(adap, MA_EDRAM0_BAR); | |
2933 | add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM_SIZE_GET(size)); | |
2934 | } | |
2935 | if (i & EDRAM1_ENABLE) { | |
2936 | size = t4_read_reg(adap, MA_EDRAM1_BAR); | |
2937 | add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM_SIZE_GET(size)); | |
2938 | } | |
2939 | if (is_t4(adap->chip)) { | |
2940 | size = t4_read_reg(adap, MA_EXT_MEMORY_BAR); | |
2941 | if (i & EXT_MEM_ENABLE) | |
2942 | add_debugfs_mem(adap, "mc", MEM_MC, | |
2943 | EXT_MEM_SIZE_GET(size)); | |
2944 | } else { | |
2945 | if (i & EXT_MEM_ENABLE) { | |
2946 | size = t4_read_reg(adap, MA_EXT_MEMORY_BAR); | |
2947 | add_debugfs_mem(adap, "mc0", MEM_MC0, | |
2948 | EXT_MEM_SIZE_GET(size)); | |
2949 | } | |
2950 | if (i & EXT_MEM1_ENABLE) { | |
2951 | size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR); | |
2952 | add_debugfs_mem(adap, "mc1", MEM_MC1, | |
2953 | EXT_MEM_SIZE_GET(size)); | |
2954 | } | |
2955 | } | |
b8ff05a9 DM |
2956 | if (adap->l2t) |
2957 | debugfs_create_file("l2t", S_IRUSR, adap->debugfs_root, adap, | |
2958 | &t4_l2t_fops); | |
2959 | return 0; | |
2960 | } | |
2961 | ||
2962 | /* | |
2963 | * upper-layer driver support | |
2964 | */ | |
2965 | ||
2966 | /* | |
2967 | * Allocate an active-open TID and set it to the supplied value. | |
2968 | */ | |
2969 | int cxgb4_alloc_atid(struct tid_info *t, void *data) | |
2970 | { | |
2971 | int atid = -1; | |
2972 | ||
2973 | spin_lock_bh(&t->atid_lock); | |
2974 | if (t->afree) { | |
2975 | union aopen_entry *p = t->afree; | |
2976 | ||
f2b7e78d | 2977 | atid = (p - t->atid_tab) + t->atid_base; |
b8ff05a9 DM |
2978 | t->afree = p->next; |
2979 | p->data = data; | |
2980 | t->atids_in_use++; | |
2981 | } | |
2982 | spin_unlock_bh(&t->atid_lock); | |
2983 | return atid; | |
2984 | } | |
2985 | EXPORT_SYMBOL(cxgb4_alloc_atid); | |
2986 | ||
2987 | /* | |
2988 | * Release an active-open TID. | |
2989 | */ | |
2990 | void cxgb4_free_atid(struct tid_info *t, unsigned int atid) | |
2991 | { | |
f2b7e78d | 2992 | union aopen_entry *p = &t->atid_tab[atid - t->atid_base]; |
b8ff05a9 DM |
2993 | |
2994 | spin_lock_bh(&t->atid_lock); | |
2995 | p->next = t->afree; | |
2996 | t->afree = p; | |
2997 | t->atids_in_use--; | |
2998 | spin_unlock_bh(&t->atid_lock); | |
2999 | } | |
3000 | EXPORT_SYMBOL(cxgb4_free_atid); | |
3001 | ||
3002 | /* | |
3003 | * Allocate a server TID and set it to the supplied value. | |
3004 | */ | |
3005 | int cxgb4_alloc_stid(struct tid_info *t, int family, void *data) | |
3006 | { | |
3007 | int stid; | |
3008 | ||
3009 | spin_lock_bh(&t->stid_lock); | |
3010 | if (family == PF_INET) { | |
3011 | stid = find_first_zero_bit(t->stid_bmap, t->nstids); | |
3012 | if (stid < t->nstids) | |
3013 | __set_bit(stid, t->stid_bmap); | |
3014 | else | |
3015 | stid = -1; | |
3016 | } else { | |
3017 | stid = bitmap_find_free_region(t->stid_bmap, t->nstids, 2); | |
3018 | if (stid < 0) | |
3019 | stid = -1; | |
3020 | } | |
3021 | if (stid >= 0) { | |
3022 | t->stid_tab[stid].data = data; | |
3023 | stid += t->stid_base; | |
3024 | t->stids_in_use++; | |
3025 | } | |
3026 | spin_unlock_bh(&t->stid_lock); | |
3027 | return stid; | |
3028 | } | |
3029 | EXPORT_SYMBOL(cxgb4_alloc_stid); | |
3030 | ||
dca4faeb VP |
3031 | /* Allocate a server filter TID and set it to the supplied value. |
3032 | */ | |
3033 | int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data) | |
3034 | { | |
3035 | int stid; | |
3036 | ||
3037 | spin_lock_bh(&t->stid_lock); | |
3038 | if (family == PF_INET) { | |
3039 | stid = find_next_zero_bit(t->stid_bmap, | |
3040 | t->nstids + t->nsftids, t->nstids); | |
3041 | if (stid < (t->nstids + t->nsftids)) | |
3042 | __set_bit(stid, t->stid_bmap); | |
3043 | else | |
3044 | stid = -1; | |
3045 | } else { | |
3046 | stid = -1; | |
3047 | } | |
3048 | if (stid >= 0) { | |
3049 | t->stid_tab[stid].data = data; | |
3050 | stid += t->stid_base; | |
3051 | t->stids_in_use++; | |
3052 | } | |
3053 | spin_unlock_bh(&t->stid_lock); | |
3054 | return stid; | |
3055 | } | |
3056 | EXPORT_SYMBOL(cxgb4_alloc_sftid); | |
3057 | ||
3058 | /* Release a server TID. | |
b8ff05a9 DM |
3059 | */ |
3060 | void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family) | |
3061 | { | |
3062 | stid -= t->stid_base; | |
3063 | spin_lock_bh(&t->stid_lock); | |
3064 | if (family == PF_INET) | |
3065 | __clear_bit(stid, t->stid_bmap); | |
3066 | else | |
3067 | bitmap_release_region(t->stid_bmap, stid, 2); | |
3068 | t->stid_tab[stid].data = NULL; | |
3069 | t->stids_in_use--; | |
3070 | spin_unlock_bh(&t->stid_lock); | |
3071 | } | |
3072 | EXPORT_SYMBOL(cxgb4_free_stid); | |
3073 | ||
3074 | /* | |
3075 | * Populate a TID_RELEASE WR. Caller must properly size the skb. | |
3076 | */ | |
3077 | static void mk_tid_release(struct sk_buff *skb, unsigned int chan, | |
3078 | unsigned int tid) | |
3079 | { | |
3080 | struct cpl_tid_release *req; | |
3081 | ||
3082 | set_wr_txq(skb, CPL_PRIORITY_SETUP, chan); | |
3083 | req = (struct cpl_tid_release *)__skb_put(skb, sizeof(*req)); | |
3084 | INIT_TP_WR(req, tid); | |
3085 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_TID_RELEASE, tid)); | |
3086 | } | |
3087 | ||
3088 | /* | |
3089 | * Queue a TID release request and if necessary schedule a work queue to | |
3090 | * process it. | |
3091 | */ | |
31b9c19b | 3092 | static void cxgb4_queue_tid_release(struct tid_info *t, unsigned int chan, |
3093 | unsigned int tid) | |
b8ff05a9 DM |
3094 | { |
3095 | void **p = &t->tid_tab[tid]; | |
3096 | struct adapter *adap = container_of(t, struct adapter, tids); | |
3097 | ||
3098 | spin_lock_bh(&adap->tid_release_lock); | |
3099 | *p = adap->tid_release_head; | |
3100 | /* Low 2 bits encode the Tx channel number */ | |
3101 | adap->tid_release_head = (void **)((uintptr_t)p | chan); | |
3102 | if (!adap->tid_release_task_busy) { | |
3103 | adap->tid_release_task_busy = true; | |
3069ee9b | 3104 | queue_work(workq, &adap->tid_release_task); |
b8ff05a9 DM |
3105 | } |
3106 | spin_unlock_bh(&adap->tid_release_lock); | |
3107 | } | |
b8ff05a9 DM |
3108 | |
3109 | /* | |
3110 | * Process the list of pending TID release requests. | |
3111 | */ | |
3112 | static void process_tid_release_list(struct work_struct *work) | |
3113 | { | |
3114 | struct sk_buff *skb; | |
3115 | struct adapter *adap; | |
3116 | ||
3117 | adap = container_of(work, struct adapter, tid_release_task); | |
3118 | ||
3119 | spin_lock_bh(&adap->tid_release_lock); | |
3120 | while (adap->tid_release_head) { | |
3121 | void **p = adap->tid_release_head; | |
3122 | unsigned int chan = (uintptr_t)p & 3; | |
3123 | p = (void *)p - chan; | |
3124 | ||
3125 | adap->tid_release_head = *p; | |
3126 | *p = NULL; | |
3127 | spin_unlock_bh(&adap->tid_release_lock); | |
3128 | ||
3129 | while (!(skb = alloc_skb(sizeof(struct cpl_tid_release), | |
3130 | GFP_KERNEL))) | |
3131 | schedule_timeout_uninterruptible(1); | |
3132 | ||
3133 | mk_tid_release(skb, chan, p - adap->tids.tid_tab); | |
3134 | t4_ofld_send(adap, skb); | |
3135 | spin_lock_bh(&adap->tid_release_lock); | |
3136 | } | |
3137 | adap->tid_release_task_busy = false; | |
3138 | spin_unlock_bh(&adap->tid_release_lock); | |
3139 | } | |
3140 | ||
3141 | /* | |
3142 | * Release a TID and inform HW. If we are unable to allocate the release | |
3143 | * message we defer to a work queue. | |
3144 | */ | |
3145 | void cxgb4_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid) | |
3146 | { | |
3147 | void *old; | |
3148 | struct sk_buff *skb; | |
3149 | struct adapter *adap = container_of(t, struct adapter, tids); | |
3150 | ||
3151 | old = t->tid_tab[tid]; | |
3152 | skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_ATOMIC); | |
3153 | if (likely(skb)) { | |
3154 | t->tid_tab[tid] = NULL; | |
3155 | mk_tid_release(skb, chan, tid); | |
3156 | t4_ofld_send(adap, skb); | |
3157 | } else | |
3158 | cxgb4_queue_tid_release(t, chan, tid); | |
3159 | if (old) | |
3160 | atomic_dec(&t->tids_in_use); | |
3161 | } | |
3162 | EXPORT_SYMBOL(cxgb4_remove_tid); | |
3163 | ||
3164 | /* | |
3165 | * Allocate and initialize the TID tables. Returns 0 on success. | |
3166 | */ | |
3167 | static int tid_init(struct tid_info *t) | |
3168 | { | |
3169 | size_t size; | |
f2b7e78d | 3170 | unsigned int stid_bmap_size; |
b8ff05a9 DM |
3171 | unsigned int natids = t->natids; |
3172 | ||
dca4faeb | 3173 | stid_bmap_size = BITS_TO_LONGS(t->nstids + t->nsftids); |
f2b7e78d VP |
3174 | size = t->ntids * sizeof(*t->tid_tab) + |
3175 | natids * sizeof(*t->atid_tab) + | |
b8ff05a9 | 3176 | t->nstids * sizeof(*t->stid_tab) + |
dca4faeb | 3177 | t->nsftids * sizeof(*t->stid_tab) + |
f2b7e78d | 3178 | stid_bmap_size * sizeof(long) + |
dca4faeb VP |
3179 | t->nftids * sizeof(*t->ftid_tab) + |
3180 | t->nsftids * sizeof(*t->ftid_tab); | |
f2b7e78d | 3181 | |
b8ff05a9 DM |
3182 | t->tid_tab = t4_alloc_mem(size); |
3183 | if (!t->tid_tab) | |
3184 | return -ENOMEM; | |
3185 | ||
3186 | t->atid_tab = (union aopen_entry *)&t->tid_tab[t->ntids]; | |
3187 | t->stid_tab = (struct serv_entry *)&t->atid_tab[natids]; | |
dca4faeb | 3188 | t->stid_bmap = (unsigned long *)&t->stid_tab[t->nstids + t->nsftids]; |
f2b7e78d | 3189 | t->ftid_tab = (struct filter_entry *)&t->stid_bmap[stid_bmap_size]; |
b8ff05a9 DM |
3190 | spin_lock_init(&t->stid_lock); |
3191 | spin_lock_init(&t->atid_lock); | |
3192 | ||
3193 | t->stids_in_use = 0; | |
3194 | t->afree = NULL; | |
3195 | t->atids_in_use = 0; | |
3196 | atomic_set(&t->tids_in_use, 0); | |
3197 | ||
3198 | /* Setup the free list for atid_tab and clear the stid bitmap. */ | |
3199 | if (natids) { | |
3200 | while (--natids) | |
3201 | t->atid_tab[natids - 1].next = &t->atid_tab[natids]; | |
3202 | t->afree = t->atid_tab; | |
3203 | } | |
dca4faeb | 3204 | bitmap_zero(t->stid_bmap, t->nstids + t->nsftids); |
b8ff05a9 DM |
3205 | return 0; |
3206 | } | |
3207 | ||
3208 | /** | |
3209 | * cxgb4_create_server - create an IP server | |
3210 | * @dev: the device | |
3211 | * @stid: the server TID | |
3212 | * @sip: local IP address to bind server to | |
3213 | * @sport: the server's TCP port | |
3214 | * @queue: queue to direct messages from this server to | |
3215 | * | |
3216 | * Create an IP server for the given port and address. | |
3217 | * Returns <0 on error and one of the %NET_XMIT_* values on success. | |
3218 | */ | |
3219 | int cxgb4_create_server(const struct net_device *dev, unsigned int stid, | |
793dad94 VP |
3220 | __be32 sip, __be16 sport, __be16 vlan, |
3221 | unsigned int queue) | |
b8ff05a9 DM |
3222 | { |
3223 | unsigned int chan; | |
3224 | struct sk_buff *skb; | |
3225 | struct adapter *adap; | |
3226 | struct cpl_pass_open_req *req; | |
3227 | ||
3228 | skb = alloc_skb(sizeof(*req), GFP_KERNEL); | |
3229 | if (!skb) | |
3230 | return -ENOMEM; | |
3231 | ||
3232 | adap = netdev2adap(dev); | |
3233 | req = (struct cpl_pass_open_req *)__skb_put(skb, sizeof(*req)); | |
3234 | INIT_TP_WR(req, 0); | |
3235 | OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_PASS_OPEN_REQ, stid)); | |
3236 | req->local_port = sport; | |
3237 | req->peer_port = htons(0); | |
3238 | req->local_ip = sip; | |
3239 | req->peer_ip = htonl(0); | |
e46dab4d | 3240 | chan = rxq_to_chan(&adap->sge, queue); |
b8ff05a9 DM |
3241 | req->opt0 = cpu_to_be64(TX_CHAN(chan)); |
3242 | req->opt1 = cpu_to_be64(CONN_POLICY_ASK | | |
3243 | SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue)); | |
3244 | return t4_mgmt_tx(adap, skb); | |
3245 | } | |
3246 | EXPORT_SYMBOL(cxgb4_create_server); | |
3247 | ||
b8ff05a9 DM |
3248 | /** |
3249 | * cxgb4_best_mtu - find the entry in the MTU table closest to an MTU | |
3250 | * @mtus: the HW MTU table | |
3251 | * @mtu: the target MTU | |
3252 | * @idx: index of selected entry in the MTU table | |
3253 | * | |
3254 | * Returns the index and the value in the HW MTU table that is closest to | |
3255 | * but does not exceed @mtu, unless @mtu is smaller than any value in the | |
3256 | * table, in which case that smallest available value is selected. | |
3257 | */ | |
3258 | unsigned int cxgb4_best_mtu(const unsigned short *mtus, unsigned short mtu, | |
3259 | unsigned int *idx) | |
3260 | { | |
3261 | unsigned int i = 0; | |
3262 | ||
3263 | while (i < NMTUS - 1 && mtus[i + 1] <= mtu) | |
3264 | ++i; | |
3265 | if (idx) | |
3266 | *idx = i; | |
3267 | return mtus[i]; | |
3268 | } | |
3269 | EXPORT_SYMBOL(cxgb4_best_mtu); | |
3270 | ||
3271 | /** | |
3272 | * cxgb4_port_chan - get the HW channel of a port | |
3273 | * @dev: the net device for the port | |
3274 | * | |
3275 | * Return the HW Tx channel of the given port. | |
3276 | */ | |
3277 | unsigned int cxgb4_port_chan(const struct net_device *dev) | |
3278 | { | |
3279 | return netdev2pinfo(dev)->tx_chan; | |
3280 | } | |
3281 | EXPORT_SYMBOL(cxgb4_port_chan); | |
3282 | ||
881806bc VP |
3283 | unsigned int cxgb4_dbfifo_count(const struct net_device *dev, int lpfifo) |
3284 | { | |
3285 | struct adapter *adap = netdev2adap(dev); | |
2cc301d2 | 3286 | u32 v1, v2, lp_count, hp_count; |
881806bc | 3287 | |
2cc301d2 SR |
3288 | v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS); |
3289 | v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2); | |
3290 | if (is_t4(adap->chip)) { | |
3291 | lp_count = G_LP_COUNT(v1); | |
3292 | hp_count = G_HP_COUNT(v1); | |
3293 | } else { | |
3294 | lp_count = G_LP_COUNT_T5(v1); | |
3295 | hp_count = G_HP_COUNT_T5(v2); | |
3296 | } | |
3297 | return lpfifo ? lp_count : hp_count; | |
881806bc VP |
3298 | } |
3299 | EXPORT_SYMBOL(cxgb4_dbfifo_count); | |
3300 | ||
b8ff05a9 DM |
3301 | /** |
3302 | * cxgb4_port_viid - get the VI id of a port | |
3303 | * @dev: the net device for the port | |
3304 | * | |
3305 | * Return the VI id of the given port. | |
3306 | */ | |
3307 | unsigned int cxgb4_port_viid(const struct net_device *dev) | |
3308 | { | |
3309 | return netdev2pinfo(dev)->viid; | |
3310 | } | |
3311 | EXPORT_SYMBOL(cxgb4_port_viid); | |
3312 | ||
3313 | /** | |
3314 | * cxgb4_port_idx - get the index of a port | |
3315 | * @dev: the net device for the port | |
3316 | * | |
3317 | * Return the index of the given port. | |
3318 | */ | |
3319 | unsigned int cxgb4_port_idx(const struct net_device *dev) | |
3320 | { | |
3321 | return netdev2pinfo(dev)->port_id; | |
3322 | } | |
3323 | EXPORT_SYMBOL(cxgb4_port_idx); | |
3324 | ||
b8ff05a9 DM |
3325 | void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4, |
3326 | struct tp_tcp_stats *v6) | |
3327 | { | |
3328 | struct adapter *adap = pci_get_drvdata(pdev); | |
3329 | ||
3330 | spin_lock(&adap->stats_lock); | |
3331 | t4_tp_get_tcp_stats(adap, v4, v6); | |
3332 | spin_unlock(&adap->stats_lock); | |
3333 | } | |
3334 | EXPORT_SYMBOL(cxgb4_get_tcp_stats); | |
3335 | ||
3336 | void cxgb4_iscsi_init(struct net_device *dev, unsigned int tag_mask, | |
3337 | const unsigned int *pgsz_order) | |
3338 | { | |
3339 | struct adapter *adap = netdev2adap(dev); | |
3340 | ||
3341 | t4_write_reg(adap, ULP_RX_ISCSI_TAGMASK, tag_mask); | |
3342 | t4_write_reg(adap, ULP_RX_ISCSI_PSZ, HPZ0(pgsz_order[0]) | | |
3343 | HPZ1(pgsz_order[1]) | HPZ2(pgsz_order[2]) | | |
3344 | HPZ3(pgsz_order[3])); | |
3345 | } | |
3346 | EXPORT_SYMBOL(cxgb4_iscsi_init); | |
3347 | ||
3069ee9b VP |
3348 | int cxgb4_flush_eq_cache(struct net_device *dev) |
3349 | { | |
3350 | struct adapter *adap = netdev2adap(dev); | |
3351 | int ret; | |
3352 | ||
3353 | ret = t4_fwaddrspace_write(adap, adap->mbox, | |
3354 | 0xe1000000 + A_SGE_CTXT_CMD, 0x20000000); | |
3355 | return ret; | |
3356 | } | |
3357 | EXPORT_SYMBOL(cxgb4_flush_eq_cache); | |
3358 | ||
3359 | static int read_eq_indices(struct adapter *adap, u16 qid, u16 *pidx, u16 *cidx) | |
3360 | { | |
3361 | u32 addr = t4_read_reg(adap, A_SGE_DBQ_CTXT_BADDR) + 24 * qid + 8; | |
3362 | __be64 indices; | |
3363 | int ret; | |
3364 | ||
3365 | ret = t4_mem_win_read_len(adap, addr, (__be32 *)&indices, 8); | |
3366 | if (!ret) { | |
404d9e3f VP |
3367 | *cidx = (be64_to_cpu(indices) >> 25) & 0xffff; |
3368 | *pidx = (be64_to_cpu(indices) >> 9) & 0xffff; | |
3069ee9b VP |
3369 | } |
3370 | return ret; | |
3371 | } | |
3372 | ||
3373 | int cxgb4_sync_txq_pidx(struct net_device *dev, u16 qid, u16 pidx, | |
3374 | u16 size) | |
3375 | { | |
3376 | struct adapter *adap = netdev2adap(dev); | |
3377 | u16 hw_pidx, hw_cidx; | |
3378 | int ret; | |
3379 | ||
3380 | ret = read_eq_indices(adap, qid, &hw_pidx, &hw_cidx); | |
3381 | if (ret) | |
3382 | goto out; | |
3383 | ||
3384 | if (pidx != hw_pidx) { | |
3385 | u16 delta; | |
3386 | ||
3387 | if (pidx >= hw_pidx) | |
3388 | delta = pidx - hw_pidx; | |
3389 | else | |
3390 | delta = size - hw_pidx + pidx; | |
3391 | wmb(); | |
840f3000 VP |
3392 | t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), |
3393 | QID(qid) | PIDX(delta)); | |
3069ee9b VP |
3394 | } |
3395 | out: | |
3396 | return ret; | |
3397 | } | |
3398 | EXPORT_SYMBOL(cxgb4_sync_txq_pidx); | |
3399 | ||
3cbdb928 VP |
3400 | void cxgb4_disable_db_coalescing(struct net_device *dev) |
3401 | { | |
3402 | struct adapter *adap; | |
3403 | ||
3404 | adap = netdev2adap(dev); | |
3405 | t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, | |
3406 | F_NOCOALESCE); | |
3407 | } | |
3408 | EXPORT_SYMBOL(cxgb4_disable_db_coalescing); | |
3409 | ||
3410 | void cxgb4_enable_db_coalescing(struct net_device *dev) | |
3411 | { | |
3412 | struct adapter *adap; | |
3413 | ||
3414 | adap = netdev2adap(dev); | |
3415 | t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, 0); | |
3416 | } | |
3417 | EXPORT_SYMBOL(cxgb4_enable_db_coalescing); | |
3418 | ||
b8ff05a9 DM |
3419 | static struct pci_driver cxgb4_driver; |
3420 | ||
3421 | static void check_neigh_update(struct neighbour *neigh) | |
3422 | { | |
3423 | const struct device *parent; | |
3424 | const struct net_device *netdev = neigh->dev; | |
3425 | ||
3426 | if (netdev->priv_flags & IFF_802_1Q_VLAN) | |
3427 | netdev = vlan_dev_real_dev(netdev); | |
3428 | parent = netdev->dev.parent; | |
3429 | if (parent && parent->driver == &cxgb4_driver.driver) | |
3430 | t4_l2t_update(dev_get_drvdata(parent), neigh); | |
3431 | } | |
3432 | ||
3433 | static int netevent_cb(struct notifier_block *nb, unsigned long event, | |
3434 | void *data) | |
3435 | { | |
3436 | switch (event) { | |
3437 | case NETEVENT_NEIGH_UPDATE: | |
3438 | check_neigh_update(data); | |
3439 | break; | |
b8ff05a9 DM |
3440 | case NETEVENT_REDIRECT: |
3441 | default: | |
3442 | break; | |
3443 | } | |
3444 | return 0; | |
3445 | } | |
3446 | ||
3447 | static bool netevent_registered; | |
3448 | static struct notifier_block cxgb4_netevent_nb = { | |
3449 | .notifier_call = netevent_cb | |
3450 | }; | |
3451 | ||
3069ee9b VP |
3452 | static void drain_db_fifo(struct adapter *adap, int usecs) |
3453 | { | |
2cc301d2 | 3454 | u32 v1, v2, lp_count, hp_count; |
3069ee9b VP |
3455 | |
3456 | do { | |
2cc301d2 SR |
3457 | v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS); |
3458 | v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2); | |
3459 | if (is_t4(adap->chip)) { | |
3460 | lp_count = G_LP_COUNT(v1); | |
3461 | hp_count = G_HP_COUNT(v1); | |
3462 | } else { | |
3463 | lp_count = G_LP_COUNT_T5(v1); | |
3464 | hp_count = G_HP_COUNT_T5(v2); | |
3465 | } | |
3466 | ||
3467 | if (lp_count == 0 && hp_count == 0) | |
3468 | break; | |
3069ee9b VP |
3469 | set_current_state(TASK_UNINTERRUPTIBLE); |
3470 | schedule_timeout(usecs_to_jiffies(usecs)); | |
3069ee9b VP |
3471 | } while (1); |
3472 | } | |
3473 | ||
3474 | static void disable_txq_db(struct sge_txq *q) | |
3475 | { | |
3476 | spin_lock_irq(&q->db_lock); | |
3477 | q->db_disabled = 1; | |
3478 | spin_unlock_irq(&q->db_lock); | |
3479 | } | |
3480 | ||
3481 | static void enable_txq_db(struct sge_txq *q) | |
3482 | { | |
3483 | spin_lock_irq(&q->db_lock); | |
3484 | q->db_disabled = 0; | |
3485 | spin_unlock_irq(&q->db_lock); | |
3486 | } | |
3487 | ||
3488 | static void disable_dbs(struct adapter *adap) | |
3489 | { | |
3490 | int i; | |
3491 | ||
3492 | for_each_ethrxq(&adap->sge, i) | |
3493 | disable_txq_db(&adap->sge.ethtxq[i].q); | |
3494 | for_each_ofldrxq(&adap->sge, i) | |
3495 | disable_txq_db(&adap->sge.ofldtxq[i].q); | |
3496 | for_each_port(adap, i) | |
3497 | disable_txq_db(&adap->sge.ctrlq[i].q); | |
3498 | } | |
3499 | ||
3500 | static void enable_dbs(struct adapter *adap) | |
3501 | { | |
3502 | int i; | |
3503 | ||
3504 | for_each_ethrxq(&adap->sge, i) | |
3505 | enable_txq_db(&adap->sge.ethtxq[i].q); | |
3506 | for_each_ofldrxq(&adap->sge, i) | |
3507 | enable_txq_db(&adap->sge.ofldtxq[i].q); | |
3508 | for_each_port(adap, i) | |
3509 | enable_txq_db(&adap->sge.ctrlq[i].q); | |
3510 | } | |
3511 | ||
3512 | static void sync_txq_pidx(struct adapter *adap, struct sge_txq *q) | |
3513 | { | |
3514 | u16 hw_pidx, hw_cidx; | |
3515 | int ret; | |
3516 | ||
3517 | spin_lock_bh(&q->db_lock); | |
3518 | ret = read_eq_indices(adap, (u16)q->cntxt_id, &hw_pidx, &hw_cidx); | |
3519 | if (ret) | |
3520 | goto out; | |
3521 | if (q->db_pidx != hw_pidx) { | |
3522 | u16 delta; | |
3523 | ||
3524 | if (q->db_pidx >= hw_pidx) | |
3525 | delta = q->db_pidx - hw_pidx; | |
3526 | else | |
3527 | delta = q->size - hw_pidx + q->db_pidx; | |
3528 | wmb(); | |
840f3000 VP |
3529 | t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), |
3530 | QID(q->cntxt_id) | PIDX(delta)); | |
3069ee9b VP |
3531 | } |
3532 | out: | |
3533 | q->db_disabled = 0; | |
3534 | spin_unlock_bh(&q->db_lock); | |
3535 | if (ret) | |
3536 | CH_WARN(adap, "DB drop recovery failed.\n"); | |
3537 | } | |
3538 | static void recover_all_queues(struct adapter *adap) | |
3539 | { | |
3540 | int i; | |
3541 | ||
3542 | for_each_ethrxq(&adap->sge, i) | |
3543 | sync_txq_pidx(adap, &adap->sge.ethtxq[i].q); | |
3544 | for_each_ofldrxq(&adap->sge, i) | |
3545 | sync_txq_pidx(adap, &adap->sge.ofldtxq[i].q); | |
3546 | for_each_port(adap, i) | |
3547 | sync_txq_pidx(adap, &adap->sge.ctrlq[i].q); | |
3548 | } | |
3549 | ||
881806bc VP |
3550 | static void notify_rdma_uld(struct adapter *adap, enum cxgb4_control cmd) |
3551 | { | |
3552 | mutex_lock(&uld_mutex); | |
3553 | if (adap->uld_handle[CXGB4_ULD_RDMA]) | |
3554 | ulds[CXGB4_ULD_RDMA].control(adap->uld_handle[CXGB4_ULD_RDMA], | |
3555 | cmd); | |
3556 | mutex_unlock(&uld_mutex); | |
3557 | } | |
3558 | ||
3559 | static void process_db_full(struct work_struct *work) | |
3560 | { | |
3561 | struct adapter *adap; | |
881806bc VP |
3562 | |
3563 | adap = container_of(work, struct adapter, db_full_task); | |
3564 | ||
881806bc | 3565 | notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL); |
3069ee9b | 3566 | drain_db_fifo(adap, dbfifo_drain_delay); |
840f3000 VP |
3567 | t4_set_reg_field(adap, SGE_INT_ENABLE3, |
3568 | DBFIFO_HP_INT | DBFIFO_LP_INT, | |
3569 | DBFIFO_HP_INT | DBFIFO_LP_INT); | |
881806bc | 3570 | notify_rdma_uld(adap, CXGB4_CONTROL_DB_EMPTY); |
881806bc VP |
3571 | } |
3572 | ||
3573 | static void process_db_drop(struct work_struct *work) | |
3574 | { | |
3575 | struct adapter *adap; | |
881806bc | 3576 | |
3069ee9b | 3577 | adap = container_of(work, struct adapter, db_drop_task); |
881806bc | 3578 | |
2cc301d2 SR |
3579 | if (is_t4(adap->chip)) { |
3580 | disable_dbs(adap); | |
3581 | notify_rdma_uld(adap, CXGB4_CONTROL_DB_DROP); | |
3582 | drain_db_fifo(adap, 1); | |
3583 | recover_all_queues(adap); | |
3584 | enable_dbs(adap); | |
3585 | } else { | |
3586 | u32 dropped_db = t4_read_reg(adap, 0x010ac); | |
3587 | u16 qid = (dropped_db >> 15) & 0x1ffff; | |
3588 | u16 pidx_inc = dropped_db & 0x1fff; | |
3589 | unsigned int s_qpp; | |
3590 | unsigned short udb_density; | |
3591 | unsigned long qpshift; | |
3592 | int page; | |
3593 | u32 udb; | |
3594 | ||
3595 | dev_warn(adap->pdev_dev, | |
3596 | "Dropped DB 0x%x qid %d bar2 %d coalesce %d pidx %d\n", | |
3597 | dropped_db, qid, | |
3598 | (dropped_db >> 14) & 1, | |
3599 | (dropped_db >> 13) & 1, | |
3600 | pidx_inc); | |
3601 | ||
3602 | drain_db_fifo(adap, 1); | |
3603 | ||
3604 | s_qpp = QUEUESPERPAGEPF1 * adap->fn; | |
3605 | udb_density = 1 << QUEUESPERPAGEPF0_GET(t4_read_reg(adap, | |
3606 | SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp); | |
3607 | qpshift = PAGE_SHIFT - ilog2(udb_density); | |
3608 | udb = qid << qpshift; | |
3609 | udb &= PAGE_MASK; | |
3610 | page = udb / PAGE_SIZE; | |
3611 | udb += (qid - (page * udb_density)) * 128; | |
3612 | ||
3613 | writel(PIDX(pidx_inc), adap->bar2 + udb + 8); | |
3614 | ||
3615 | /* Re-enable BAR2 WC */ | |
3616 | t4_set_reg_field(adap, 0x10b0, 1<<15, 1<<15); | |
3617 | } | |
3618 | ||
3069ee9b | 3619 | t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_DROPPED_DB, 0); |
881806bc VP |
3620 | } |
3621 | ||
3622 | void t4_db_full(struct adapter *adap) | |
3623 | { | |
2cc301d2 SR |
3624 | if (is_t4(adap->chip)) { |
3625 | t4_set_reg_field(adap, SGE_INT_ENABLE3, | |
3626 | DBFIFO_HP_INT | DBFIFO_LP_INT, 0); | |
3627 | queue_work(workq, &adap->db_full_task); | |
3628 | } | |
881806bc VP |
3629 | } |
3630 | ||
3631 | void t4_db_dropped(struct adapter *adap) | |
3632 | { | |
2cc301d2 SR |
3633 | if (is_t4(adap->chip)) |
3634 | queue_work(workq, &adap->db_drop_task); | |
881806bc VP |
3635 | } |
3636 | ||
b8ff05a9 DM |
3637 | static void uld_attach(struct adapter *adap, unsigned int uld) |
3638 | { | |
3639 | void *handle; | |
3640 | struct cxgb4_lld_info lli; | |
dca4faeb | 3641 | unsigned short i; |
b8ff05a9 DM |
3642 | |
3643 | lli.pdev = adap->pdev; | |
3644 | lli.l2t = adap->l2t; | |
3645 | lli.tids = &adap->tids; | |
3646 | lli.ports = adap->port; | |
3647 | lli.vr = &adap->vres; | |
3648 | lli.mtus = adap->params.mtus; | |
3649 | if (uld == CXGB4_ULD_RDMA) { | |
3650 | lli.rxq_ids = adap->sge.rdma_rxq; | |
3651 | lli.nrxq = adap->sge.rdmaqs; | |
3652 | } else if (uld == CXGB4_ULD_ISCSI) { | |
3653 | lli.rxq_ids = adap->sge.ofld_rxq; | |
3654 | lli.nrxq = adap->sge.ofldqsets; | |
3655 | } | |
3656 | lli.ntxq = adap->sge.ofldqsets; | |
3657 | lli.nchan = adap->params.nports; | |
3658 | lli.nports = adap->params.nports; | |
3659 | lli.wr_cred = adap->params.ofldq_wr_cred; | |
3660 | lli.adapter_type = adap->params.rev; | |
3661 | lli.iscsi_iolen = MAXRXDATA_GET(t4_read_reg(adap, TP_PARA_REG2)); | |
3662 | lli.udb_density = 1 << QUEUESPERPAGEPF0_GET( | |
060e0c75 DM |
3663 | t4_read_reg(adap, SGE_EGRESS_QUEUES_PER_PAGE_PF) >> |
3664 | (adap->fn * 4)); | |
b8ff05a9 | 3665 | lli.ucq_density = 1 << QUEUESPERPAGEPF0_GET( |
060e0c75 DM |
3666 | t4_read_reg(adap, SGE_INGRESS_QUEUES_PER_PAGE_PF) >> |
3667 | (adap->fn * 4)); | |
793dad94 | 3668 | lli.filt_mode = adap->filter_mode; |
dca4faeb VP |
3669 | /* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */ |
3670 | for (i = 0; i < NCHAN; i++) | |
3671 | lli.tx_modq[i] = i; | |
b8ff05a9 DM |
3672 | lli.gts_reg = adap->regs + MYPF_REG(SGE_PF_GTS); |
3673 | lli.db_reg = adap->regs + MYPF_REG(SGE_PF_KDOORBELL); | |
3674 | lli.fw_vers = adap->params.fw_vers; | |
3069ee9b | 3675 | lli.dbfifo_int_thresh = dbfifo_int_thresh; |
dca4faeb VP |
3676 | lli.sge_pktshift = adap->sge.pktshift; |
3677 | lli.enable_fw_ofld_conn = adap->flags & FW_OFLD_CONN; | |
b8ff05a9 DM |
3678 | |
3679 | handle = ulds[uld].add(&lli); | |
3680 | if (IS_ERR(handle)) { | |
3681 | dev_warn(adap->pdev_dev, | |
3682 | "could not attach to the %s driver, error %ld\n", | |
3683 | uld_str[uld], PTR_ERR(handle)); | |
3684 | return; | |
3685 | } | |
3686 | ||
3687 | adap->uld_handle[uld] = handle; | |
3688 | ||
3689 | if (!netevent_registered) { | |
3690 | register_netevent_notifier(&cxgb4_netevent_nb); | |
3691 | netevent_registered = true; | |
3692 | } | |
e29f5dbc DM |
3693 | |
3694 | if (adap->flags & FULL_INIT_DONE) | |
3695 | ulds[uld].state_change(handle, CXGB4_STATE_UP); | |
b8ff05a9 DM |
3696 | } |
3697 | ||
3698 | static void attach_ulds(struct adapter *adap) | |
3699 | { | |
3700 | unsigned int i; | |
3701 | ||
3702 | mutex_lock(&uld_mutex); | |
3703 | list_add_tail(&adap->list_node, &adapter_list); | |
3704 | for (i = 0; i < CXGB4_ULD_MAX; i++) | |
3705 | if (ulds[i].add) | |
3706 | uld_attach(adap, i); | |
3707 | mutex_unlock(&uld_mutex); | |
3708 | } | |
3709 | ||
3710 | static void detach_ulds(struct adapter *adap) | |
3711 | { | |
3712 | unsigned int i; | |
3713 | ||
3714 | mutex_lock(&uld_mutex); | |
3715 | list_del(&adap->list_node); | |
3716 | for (i = 0; i < CXGB4_ULD_MAX; i++) | |
3717 | if (adap->uld_handle[i]) { | |
3718 | ulds[i].state_change(adap->uld_handle[i], | |
3719 | CXGB4_STATE_DETACH); | |
3720 | adap->uld_handle[i] = NULL; | |
3721 | } | |
3722 | if (netevent_registered && list_empty(&adapter_list)) { | |
3723 | unregister_netevent_notifier(&cxgb4_netevent_nb); | |
3724 | netevent_registered = false; | |
3725 | } | |
3726 | mutex_unlock(&uld_mutex); | |
3727 | } | |
3728 | ||
3729 | static void notify_ulds(struct adapter *adap, enum cxgb4_state new_state) | |
3730 | { | |
3731 | unsigned int i; | |
3732 | ||
3733 | mutex_lock(&uld_mutex); | |
3734 | for (i = 0; i < CXGB4_ULD_MAX; i++) | |
3735 | if (adap->uld_handle[i]) | |
3736 | ulds[i].state_change(adap->uld_handle[i], new_state); | |
3737 | mutex_unlock(&uld_mutex); | |
3738 | } | |
3739 | ||
3740 | /** | |
3741 | * cxgb4_register_uld - register an upper-layer driver | |
3742 | * @type: the ULD type | |
3743 | * @p: the ULD methods | |
3744 | * | |
3745 | * Registers an upper-layer driver with this driver and notifies the ULD | |
3746 | * about any presently available devices that support its type. Returns | |
3747 | * %-EBUSY if a ULD of the same type is already registered. | |
3748 | */ | |
3749 | int cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p) | |
3750 | { | |
3751 | int ret = 0; | |
3752 | struct adapter *adap; | |
3753 | ||
3754 | if (type >= CXGB4_ULD_MAX) | |
3755 | return -EINVAL; | |
3756 | mutex_lock(&uld_mutex); | |
3757 | if (ulds[type].add) { | |
3758 | ret = -EBUSY; | |
3759 | goto out; | |
3760 | } | |
3761 | ulds[type] = *p; | |
3762 | list_for_each_entry(adap, &adapter_list, list_node) | |
3763 | uld_attach(adap, type); | |
3764 | out: mutex_unlock(&uld_mutex); | |
3765 | return ret; | |
3766 | } | |
3767 | EXPORT_SYMBOL(cxgb4_register_uld); | |
3768 | ||
3769 | /** | |
3770 | * cxgb4_unregister_uld - unregister an upper-layer driver | |
3771 | * @type: the ULD type | |
3772 | * | |
3773 | * Unregisters an existing upper-layer driver. | |
3774 | */ | |
3775 | int cxgb4_unregister_uld(enum cxgb4_uld type) | |
3776 | { | |
3777 | struct adapter *adap; | |
3778 | ||
3779 | if (type >= CXGB4_ULD_MAX) | |
3780 | return -EINVAL; | |
3781 | mutex_lock(&uld_mutex); | |
3782 | list_for_each_entry(adap, &adapter_list, list_node) | |
3783 | adap->uld_handle[type] = NULL; | |
3784 | ulds[type].add = NULL; | |
3785 | mutex_unlock(&uld_mutex); | |
3786 | return 0; | |
3787 | } | |
3788 | EXPORT_SYMBOL(cxgb4_unregister_uld); | |
3789 | ||
3790 | /** | |
3791 | * cxgb_up - enable the adapter | |
3792 | * @adap: adapter being enabled | |
3793 | * | |
3794 | * Called when the first port is enabled, this function performs the | |
3795 | * actions necessary to make an adapter operational, such as completing | |
3796 | * the initialization of HW modules, and enabling interrupts. | |
3797 | * | |
3798 | * Must be called with the rtnl lock held. | |
3799 | */ | |
3800 | static int cxgb_up(struct adapter *adap) | |
3801 | { | |
aaefae9b | 3802 | int err; |
b8ff05a9 | 3803 | |
aaefae9b DM |
3804 | err = setup_sge_queues(adap); |
3805 | if (err) | |
3806 | goto out; | |
3807 | err = setup_rss(adap); | |
3808 | if (err) | |
3809 | goto freeq; | |
b8ff05a9 DM |
3810 | |
3811 | if (adap->flags & USING_MSIX) { | |
aaefae9b | 3812 | name_msix_vecs(adap); |
b8ff05a9 DM |
3813 | err = request_irq(adap->msix_info[0].vec, t4_nondata_intr, 0, |
3814 | adap->msix_info[0].desc, adap); | |
3815 | if (err) | |
3816 | goto irq_err; | |
3817 | ||
3818 | err = request_msix_queue_irqs(adap); | |
3819 | if (err) { | |
3820 | free_irq(adap->msix_info[0].vec, adap); | |
3821 | goto irq_err; | |
3822 | } | |
3823 | } else { | |
3824 | err = request_irq(adap->pdev->irq, t4_intr_handler(adap), | |
3825 | (adap->flags & USING_MSI) ? 0 : IRQF_SHARED, | |
b1a3c2b6 | 3826 | adap->port[0]->name, adap); |
b8ff05a9 DM |
3827 | if (err) |
3828 | goto irq_err; | |
3829 | } | |
3830 | enable_rx(adap); | |
3831 | t4_sge_start(adap); | |
3832 | t4_intr_enable(adap); | |
aaefae9b | 3833 | adap->flags |= FULL_INIT_DONE; |
b8ff05a9 DM |
3834 | notify_ulds(adap, CXGB4_STATE_UP); |
3835 | out: | |
3836 | return err; | |
3837 | irq_err: | |
3838 | dev_err(adap->pdev_dev, "request_irq failed, err %d\n", err); | |
aaefae9b DM |
3839 | freeq: |
3840 | t4_free_sge_resources(adap); | |
b8ff05a9 DM |
3841 | goto out; |
3842 | } | |
3843 | ||
3844 | static void cxgb_down(struct adapter *adapter) | |
3845 | { | |
3846 | t4_intr_disable(adapter); | |
3847 | cancel_work_sync(&adapter->tid_release_task); | |
881806bc VP |
3848 | cancel_work_sync(&adapter->db_full_task); |
3849 | cancel_work_sync(&adapter->db_drop_task); | |
b8ff05a9 | 3850 | adapter->tid_release_task_busy = false; |
204dc3c0 | 3851 | adapter->tid_release_head = NULL; |
b8ff05a9 DM |
3852 | |
3853 | if (adapter->flags & USING_MSIX) { | |
3854 | free_msix_queue_irqs(adapter); | |
3855 | free_irq(adapter->msix_info[0].vec, adapter); | |
3856 | } else | |
3857 | free_irq(adapter->pdev->irq, adapter); | |
3858 | quiesce_rx(adapter); | |
aaefae9b DM |
3859 | t4_sge_stop(adapter); |
3860 | t4_free_sge_resources(adapter); | |
3861 | adapter->flags &= ~FULL_INIT_DONE; | |
b8ff05a9 DM |
3862 | } |
3863 | ||
3864 | /* | |
3865 | * net_device operations | |
3866 | */ | |
3867 | static int cxgb_open(struct net_device *dev) | |
3868 | { | |
3869 | int err; | |
3870 | struct port_info *pi = netdev_priv(dev); | |
3871 | struct adapter *adapter = pi->adapter; | |
3872 | ||
6a3c869a DM |
3873 | netif_carrier_off(dev); |
3874 | ||
aaefae9b DM |
3875 | if (!(adapter->flags & FULL_INIT_DONE)) { |
3876 | err = cxgb_up(adapter); | |
3877 | if (err < 0) | |
3878 | return err; | |
3879 | } | |
b8ff05a9 | 3880 | |
f68707b8 DM |
3881 | err = link_start(dev); |
3882 | if (!err) | |
3883 | netif_tx_start_all_queues(dev); | |
3884 | return err; | |
b8ff05a9 DM |
3885 | } |
3886 | ||
3887 | static int cxgb_close(struct net_device *dev) | |
3888 | { | |
b8ff05a9 DM |
3889 | struct port_info *pi = netdev_priv(dev); |
3890 | struct adapter *adapter = pi->adapter; | |
3891 | ||
3892 | netif_tx_stop_all_queues(dev); | |
3893 | netif_carrier_off(dev); | |
060e0c75 | 3894 | return t4_enable_vi(adapter, adapter->fn, pi->viid, false, false); |
b8ff05a9 DM |
3895 | } |
3896 | ||
f2b7e78d VP |
3897 | /* Return an error number if the indicated filter isn't writable ... |
3898 | */ | |
3899 | static int writable_filter(struct filter_entry *f) | |
3900 | { | |
3901 | if (f->locked) | |
3902 | return -EPERM; | |
3903 | if (f->pending) | |
3904 | return -EBUSY; | |
3905 | ||
3906 | return 0; | |
3907 | } | |
3908 | ||
3909 | /* Delete the filter at the specified index (if valid). The checks for all | |
3910 | * the common problems with doing this like the filter being locked, currently | |
3911 | * pending in another operation, etc. | |
3912 | */ | |
3913 | static int delete_filter(struct adapter *adapter, unsigned int fidx) | |
3914 | { | |
3915 | struct filter_entry *f; | |
3916 | int ret; | |
3917 | ||
dca4faeb | 3918 | if (fidx >= adapter->tids.nftids + adapter->tids.nsftids) |
f2b7e78d VP |
3919 | return -EINVAL; |
3920 | ||
3921 | f = &adapter->tids.ftid_tab[fidx]; | |
3922 | ret = writable_filter(f); | |
3923 | if (ret) | |
3924 | return ret; | |
3925 | if (f->valid) | |
3926 | return del_filter_wr(adapter, fidx); | |
3927 | ||
3928 | return 0; | |
3929 | } | |
3930 | ||
dca4faeb | 3931 | int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, |
793dad94 VP |
3932 | __be32 sip, __be16 sport, __be16 vlan, |
3933 | unsigned int queue, unsigned char port, unsigned char mask) | |
dca4faeb VP |
3934 | { |
3935 | int ret; | |
3936 | struct filter_entry *f; | |
3937 | struct adapter *adap; | |
3938 | int i; | |
3939 | u8 *val; | |
3940 | ||
3941 | adap = netdev2adap(dev); | |
3942 | ||
1cab775c VP |
3943 | /* Adjust stid to correct filter index */ |
3944 | stid -= adap->tids.nstids; | |
3945 | stid += adap->tids.nftids; | |
3946 | ||
dca4faeb VP |
3947 | /* Check to make sure the filter requested is writable ... |
3948 | */ | |
3949 | f = &adap->tids.ftid_tab[stid]; | |
3950 | ret = writable_filter(f); | |
3951 | if (ret) | |
3952 | return ret; | |
3953 | ||
3954 | /* Clear out any old resources being used by the filter before | |
3955 | * we start constructing the new filter. | |
3956 | */ | |
3957 | if (f->valid) | |
3958 | clear_filter(adap, f); | |
3959 | ||
3960 | /* Clear out filter specifications */ | |
3961 | memset(&f->fs, 0, sizeof(struct ch_filter_specification)); | |
3962 | f->fs.val.lport = cpu_to_be16(sport); | |
3963 | f->fs.mask.lport = ~0; | |
3964 | val = (u8 *)&sip; | |
793dad94 | 3965 | if ((val[0] | val[1] | val[2] | val[3]) != 0) { |
dca4faeb VP |
3966 | for (i = 0; i < 4; i++) { |
3967 | f->fs.val.lip[i] = val[i]; | |
3968 | f->fs.mask.lip[i] = ~0; | |
3969 | } | |
793dad94 VP |
3970 | if (adap->filter_mode & F_PORT) { |
3971 | f->fs.val.iport = port; | |
3972 | f->fs.mask.iport = mask; | |
3973 | } | |
3974 | } | |
dca4faeb VP |
3975 | |
3976 | f->fs.dirsteer = 1; | |
3977 | f->fs.iq = queue; | |
3978 | /* Mark filter as locked */ | |
3979 | f->locked = 1; | |
3980 | f->fs.rpttid = 1; | |
3981 | ||
3982 | ret = set_filter_wr(adap, stid); | |
3983 | if (ret) { | |
3984 | clear_filter(adap, f); | |
3985 | return ret; | |
3986 | } | |
3987 | ||
3988 | return 0; | |
3989 | } | |
3990 | EXPORT_SYMBOL(cxgb4_create_server_filter); | |
3991 | ||
3992 | int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid, | |
3993 | unsigned int queue, bool ipv6) | |
3994 | { | |
3995 | int ret; | |
3996 | struct filter_entry *f; | |
3997 | struct adapter *adap; | |
3998 | ||
3999 | adap = netdev2adap(dev); | |
1cab775c VP |
4000 | |
4001 | /* Adjust stid to correct filter index */ | |
4002 | stid -= adap->tids.nstids; | |
4003 | stid += adap->tids.nftids; | |
4004 | ||
dca4faeb VP |
4005 | f = &adap->tids.ftid_tab[stid]; |
4006 | /* Unlock the filter */ | |
4007 | f->locked = 0; | |
4008 | ||
4009 | ret = delete_filter(adap, stid); | |
4010 | if (ret) | |
4011 | return ret; | |
4012 | ||
4013 | return 0; | |
4014 | } | |
4015 | EXPORT_SYMBOL(cxgb4_remove_server_filter); | |
4016 | ||
f5152c90 DM |
4017 | static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev, |
4018 | struct rtnl_link_stats64 *ns) | |
b8ff05a9 DM |
4019 | { |
4020 | struct port_stats stats; | |
4021 | struct port_info *p = netdev_priv(dev); | |
4022 | struct adapter *adapter = p->adapter; | |
b8ff05a9 DM |
4023 | |
4024 | spin_lock(&adapter->stats_lock); | |
4025 | t4_get_port_stats(adapter, p->tx_chan, &stats); | |
4026 | spin_unlock(&adapter->stats_lock); | |
4027 | ||
4028 | ns->tx_bytes = stats.tx_octets; | |
4029 | ns->tx_packets = stats.tx_frames; | |
4030 | ns->rx_bytes = stats.rx_octets; | |
4031 | ns->rx_packets = stats.rx_frames; | |
4032 | ns->multicast = stats.rx_mcast_frames; | |
4033 | ||
4034 | /* detailed rx_errors */ | |
4035 | ns->rx_length_errors = stats.rx_jabber + stats.rx_too_long + | |
4036 | stats.rx_runt; | |
4037 | ns->rx_over_errors = 0; | |
4038 | ns->rx_crc_errors = stats.rx_fcs_err; | |
4039 | ns->rx_frame_errors = stats.rx_symbol_err; | |
4040 | ns->rx_fifo_errors = stats.rx_ovflow0 + stats.rx_ovflow1 + | |
4041 | stats.rx_ovflow2 + stats.rx_ovflow3 + | |
4042 | stats.rx_trunc0 + stats.rx_trunc1 + | |
4043 | stats.rx_trunc2 + stats.rx_trunc3; | |
4044 | ns->rx_missed_errors = 0; | |
4045 | ||
4046 | /* detailed tx_errors */ | |
4047 | ns->tx_aborted_errors = 0; | |
4048 | ns->tx_carrier_errors = 0; | |
4049 | ns->tx_fifo_errors = 0; | |
4050 | ns->tx_heartbeat_errors = 0; | |
4051 | ns->tx_window_errors = 0; | |
4052 | ||
4053 | ns->tx_errors = stats.tx_error_frames; | |
4054 | ns->rx_errors = stats.rx_symbol_err + stats.rx_fcs_err + | |
4055 | ns->rx_length_errors + stats.rx_len_err + ns->rx_fifo_errors; | |
4056 | return ns; | |
4057 | } | |
4058 | ||
4059 | static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
4060 | { | |
060e0c75 | 4061 | unsigned int mbox; |
b8ff05a9 DM |
4062 | int ret = 0, prtad, devad; |
4063 | struct port_info *pi = netdev_priv(dev); | |
4064 | struct mii_ioctl_data *data = (struct mii_ioctl_data *)&req->ifr_data; | |
4065 | ||
4066 | switch (cmd) { | |
4067 | case SIOCGMIIPHY: | |
4068 | if (pi->mdio_addr < 0) | |
4069 | return -EOPNOTSUPP; | |
4070 | data->phy_id = pi->mdio_addr; | |
4071 | break; | |
4072 | case SIOCGMIIREG: | |
4073 | case SIOCSMIIREG: | |
4074 | if (mdio_phy_id_is_c45(data->phy_id)) { | |
4075 | prtad = mdio_phy_id_prtad(data->phy_id); | |
4076 | devad = mdio_phy_id_devad(data->phy_id); | |
4077 | } else if (data->phy_id < 32) { | |
4078 | prtad = data->phy_id; | |
4079 | devad = 0; | |
4080 | data->reg_num &= 0x1f; | |
4081 | } else | |
4082 | return -EINVAL; | |
4083 | ||
060e0c75 | 4084 | mbox = pi->adapter->fn; |
b8ff05a9 | 4085 | if (cmd == SIOCGMIIREG) |
060e0c75 | 4086 | ret = t4_mdio_rd(pi->adapter, mbox, prtad, devad, |
b8ff05a9 DM |
4087 | data->reg_num, &data->val_out); |
4088 | else | |
060e0c75 | 4089 | ret = t4_mdio_wr(pi->adapter, mbox, prtad, devad, |
b8ff05a9 DM |
4090 | data->reg_num, data->val_in); |
4091 | break; | |
4092 | default: | |
4093 | return -EOPNOTSUPP; | |
4094 | } | |
4095 | return ret; | |
4096 | } | |
4097 | ||
4098 | static void cxgb_set_rxmode(struct net_device *dev) | |
4099 | { | |
4100 | /* unfortunately we can't return errors to the stack */ | |
4101 | set_rxmode(dev, -1, false); | |
4102 | } | |
4103 | ||
4104 | static int cxgb_change_mtu(struct net_device *dev, int new_mtu) | |
4105 | { | |
4106 | int ret; | |
4107 | struct port_info *pi = netdev_priv(dev); | |
4108 | ||
4109 | if (new_mtu < 81 || new_mtu > MAX_MTU) /* accommodate SACK */ | |
4110 | return -EINVAL; | |
060e0c75 DM |
4111 | ret = t4_set_rxmode(pi->adapter, pi->adapter->fn, pi->viid, new_mtu, -1, |
4112 | -1, -1, -1, true); | |
b8ff05a9 DM |
4113 | if (!ret) |
4114 | dev->mtu = new_mtu; | |
4115 | return ret; | |
4116 | } | |
4117 | ||
4118 | static int cxgb_set_mac_addr(struct net_device *dev, void *p) | |
4119 | { | |
4120 | int ret; | |
4121 | struct sockaddr *addr = p; | |
4122 | struct port_info *pi = netdev_priv(dev); | |
4123 | ||
4124 | if (!is_valid_ether_addr(addr->sa_data)) | |
504f9b5a | 4125 | return -EADDRNOTAVAIL; |
b8ff05a9 | 4126 | |
060e0c75 DM |
4127 | ret = t4_change_mac(pi->adapter, pi->adapter->fn, pi->viid, |
4128 | pi->xact_addr_filt, addr->sa_data, true, true); | |
b8ff05a9 DM |
4129 | if (ret < 0) |
4130 | return ret; | |
4131 | ||
4132 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
4133 | pi->xact_addr_filt = ret; | |
4134 | return 0; | |
4135 | } | |
4136 | ||
b8ff05a9 DM |
4137 | #ifdef CONFIG_NET_POLL_CONTROLLER |
4138 | static void cxgb_netpoll(struct net_device *dev) | |
4139 | { | |
4140 | struct port_info *pi = netdev_priv(dev); | |
4141 | struct adapter *adap = pi->adapter; | |
4142 | ||
4143 | if (adap->flags & USING_MSIX) { | |
4144 | int i; | |
4145 | struct sge_eth_rxq *rx = &adap->sge.ethrxq[pi->first_qset]; | |
4146 | ||
4147 | for (i = pi->nqsets; i; i--, rx++) | |
4148 | t4_sge_intr_msix(0, &rx->rspq); | |
4149 | } else | |
4150 | t4_intr_handler(adap)(0, adap); | |
4151 | } | |
4152 | #endif | |
4153 | ||
4154 | static const struct net_device_ops cxgb4_netdev_ops = { | |
4155 | .ndo_open = cxgb_open, | |
4156 | .ndo_stop = cxgb_close, | |
4157 | .ndo_start_xmit = t4_eth_xmit, | |
9be793bf | 4158 | .ndo_get_stats64 = cxgb_get_stats, |
b8ff05a9 DM |
4159 | .ndo_set_rx_mode = cxgb_set_rxmode, |
4160 | .ndo_set_mac_address = cxgb_set_mac_addr, | |
2ed28baa | 4161 | .ndo_set_features = cxgb_set_features, |
b8ff05a9 DM |
4162 | .ndo_validate_addr = eth_validate_addr, |
4163 | .ndo_do_ioctl = cxgb_ioctl, | |
4164 | .ndo_change_mtu = cxgb_change_mtu, | |
b8ff05a9 DM |
4165 | #ifdef CONFIG_NET_POLL_CONTROLLER |
4166 | .ndo_poll_controller = cxgb_netpoll, | |
4167 | #endif | |
4168 | }; | |
4169 | ||
4170 | void t4_fatal_err(struct adapter *adap) | |
4171 | { | |
4172 | t4_set_reg_field(adap, SGE_CONTROL, GLOBALENABLE, 0); | |
4173 | t4_intr_disable(adap); | |
4174 | dev_alert(adap->pdev_dev, "encountered fatal error, adapter stopped\n"); | |
4175 | } | |
4176 | ||
4177 | static void setup_memwin(struct adapter *adap) | |
4178 | { | |
19dd37ba | 4179 | u32 bar0, mem_win0_base, mem_win1_base, mem_win2_base; |
b8ff05a9 DM |
4180 | |
4181 | bar0 = pci_resource_start(adap->pdev, 0); /* truncation intentional */ | |
19dd37ba SR |
4182 | if (is_t4(adap->chip)) { |
4183 | mem_win0_base = bar0 + MEMWIN0_BASE; | |
4184 | mem_win1_base = bar0 + MEMWIN1_BASE; | |
4185 | mem_win2_base = bar0 + MEMWIN2_BASE; | |
4186 | } else { | |
4187 | /* For T5, only relative offset inside the PCIe BAR is passed */ | |
4188 | mem_win0_base = MEMWIN0_BASE; | |
4189 | mem_win1_base = MEMWIN1_BASE_T5; | |
4190 | mem_win2_base = MEMWIN2_BASE_T5; | |
4191 | } | |
b8ff05a9 | 4192 | t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 0), |
19dd37ba | 4193 | mem_win0_base | BIR(0) | |
b8ff05a9 DM |
4194 | WINDOW(ilog2(MEMWIN0_APERTURE) - 10)); |
4195 | t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 1), | |
19dd37ba | 4196 | mem_win1_base | BIR(0) | |
b8ff05a9 DM |
4197 | WINDOW(ilog2(MEMWIN1_APERTURE) - 10)); |
4198 | t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 2), | |
19dd37ba | 4199 | mem_win2_base | BIR(0) | |
b8ff05a9 | 4200 | WINDOW(ilog2(MEMWIN2_APERTURE) - 10)); |
636f9d37 VP |
4201 | } |
4202 | ||
4203 | static void setup_memwin_rdma(struct adapter *adap) | |
4204 | { | |
1ae970e0 DM |
4205 | if (adap->vres.ocq.size) { |
4206 | unsigned int start, sz_kb; | |
4207 | ||
4208 | start = pci_resource_start(adap->pdev, 2) + | |
4209 | OCQ_WIN_OFFSET(adap->pdev, &adap->vres); | |
4210 | sz_kb = roundup_pow_of_two(adap->vres.ocq.size) >> 10; | |
4211 | t4_write_reg(adap, | |
4212 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 3), | |
4213 | start | BIR(1) | WINDOW(ilog2(sz_kb))); | |
4214 | t4_write_reg(adap, | |
4215 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, 3), | |
4216 | adap->vres.ocq.start); | |
4217 | t4_read_reg(adap, | |
4218 | PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, 3)); | |
4219 | } | |
b8ff05a9 DM |
4220 | } |
4221 | ||
02b5fb8e DM |
4222 | static int adap_init1(struct adapter *adap, struct fw_caps_config_cmd *c) |
4223 | { | |
4224 | u32 v; | |
4225 | int ret; | |
4226 | ||
4227 | /* get device capabilities */ | |
4228 | memset(c, 0, sizeof(*c)); | |
4229 | c->op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4230 | FW_CMD_REQUEST | FW_CMD_READ); | |
ce91a923 | 4231 | c->cfvalid_to_len16 = htonl(FW_LEN16(*c)); |
060e0c75 | 4232 | ret = t4_wr_mbox(adap, adap->fn, c, sizeof(*c), c); |
02b5fb8e DM |
4233 | if (ret < 0) |
4234 | return ret; | |
4235 | ||
4236 | /* select capabilities we'll be using */ | |
4237 | if (c->niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) { | |
4238 | if (!vf_acls) | |
4239 | c->niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM); | |
4240 | else | |
4241 | c->niccaps = htons(FW_CAPS_CONFIG_NIC_VM); | |
4242 | } else if (vf_acls) { | |
4243 | dev_err(adap->pdev_dev, "virtualization ACLs not supported"); | |
4244 | return ret; | |
4245 | } | |
4246 | c->op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4247 | FW_CMD_REQUEST | FW_CMD_WRITE); | |
060e0c75 | 4248 | ret = t4_wr_mbox(adap, adap->fn, c, sizeof(*c), NULL); |
02b5fb8e DM |
4249 | if (ret < 0) |
4250 | return ret; | |
4251 | ||
060e0c75 | 4252 | ret = t4_config_glbl_rss(adap, adap->fn, |
02b5fb8e DM |
4253 | FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL, |
4254 | FW_RSS_GLB_CONFIG_CMD_TNLMAPEN | | |
4255 | FW_RSS_GLB_CONFIG_CMD_TNLALLLKP); | |
4256 | if (ret < 0) | |
4257 | return ret; | |
4258 | ||
060e0c75 DM |
4259 | ret = t4_cfg_pfvf(adap, adap->fn, adap->fn, 0, MAX_EGRQ, 64, MAX_INGQ, |
4260 | 0, 0, 4, 0xf, 0xf, 16, FW_CMD_CAP_PF, FW_CMD_CAP_PF); | |
02b5fb8e DM |
4261 | if (ret < 0) |
4262 | return ret; | |
4263 | ||
4264 | t4_sge_init(adap); | |
4265 | ||
02b5fb8e DM |
4266 | /* tweak some settings */ |
4267 | t4_write_reg(adap, TP_SHIFT_CNT, 0x64f8849); | |
4268 | t4_write_reg(adap, ULP_RX_TDDP_PSZ, HPZ0(PAGE_SHIFT - 12)); | |
4269 | t4_write_reg(adap, TP_PIO_ADDR, TP_INGRESS_CONFIG); | |
4270 | v = t4_read_reg(adap, TP_PIO_DATA); | |
4271 | t4_write_reg(adap, TP_PIO_DATA, v & ~CSUM_HAS_PSEUDO_HDR); | |
060e0c75 | 4272 | |
dca4faeb VP |
4273 | /* first 4 Tx modulation queues point to consecutive Tx channels */ |
4274 | adap->params.tp.tx_modq_map = 0xE4; | |
4275 | t4_write_reg(adap, A_TP_TX_MOD_QUEUE_REQ_MAP, | |
4276 | V_TX_MOD_QUEUE_REQ_MAP(adap->params.tp.tx_modq_map)); | |
4277 | ||
4278 | /* associate each Tx modulation queue with consecutive Tx channels */ | |
4279 | v = 0x84218421; | |
4280 | t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, | |
4281 | &v, 1, A_TP_TX_SCHED_HDR); | |
4282 | t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, | |
4283 | &v, 1, A_TP_TX_SCHED_FIFO); | |
4284 | t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, | |
4285 | &v, 1, A_TP_TX_SCHED_PCMD); | |
4286 | ||
4287 | #define T4_TX_MODQ_10G_WEIGHT_DEFAULT 16 /* in KB units */ | |
4288 | if (is_offload(adap)) { | |
4289 | t4_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, | |
4290 | V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4291 | V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4292 | V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4293 | V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); | |
4294 | t4_write_reg(adap, A_TP_TX_MOD_CHANNEL_WEIGHT, | |
4295 | V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4296 | V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4297 | V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | | |
4298 | V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); | |
4299 | } | |
4300 | ||
060e0c75 DM |
4301 | /* get basic stuff going */ |
4302 | return t4_early_init(adap, adap->fn); | |
02b5fb8e DM |
4303 | } |
4304 | ||
b8ff05a9 DM |
4305 | /* |
4306 | * Max # of ATIDs. The absolute HW max is 16K but we keep it lower. | |
4307 | */ | |
4308 | #define MAX_ATIDS 8192U | |
4309 | ||
636f9d37 VP |
4310 | /* |
4311 | * Phase 0 of initialization: contact FW, obtain config, perform basic init. | |
4312 | * | |
4313 | * If the firmware we're dealing with has Configuration File support, then | |
4314 | * we use that to perform all configuration | |
4315 | */ | |
4316 | ||
4317 | /* | |
4318 | * Tweak configuration based on module parameters, etc. Most of these have | |
4319 | * defaults assigned to them by Firmware Configuration Files (if we're using | |
4320 | * them) but need to be explicitly set if we're using hard-coded | |
4321 | * initialization. But even in the case of using Firmware Configuration | |
4322 | * Files, we'd like to expose the ability to change these via module | |
4323 | * parameters so these are essentially common tweaks/settings for | |
4324 | * Configuration Files and hard-coded initialization ... | |
4325 | */ | |
4326 | static int adap_init0_tweaks(struct adapter *adapter) | |
4327 | { | |
4328 | /* | |
4329 | * Fix up various Host-Dependent Parameters like Page Size, Cache | |
4330 | * Line Size, etc. The firmware default is for a 4KB Page Size and | |
4331 | * 64B Cache Line Size ... | |
4332 | */ | |
4333 | t4_fixup_host_params(adapter, PAGE_SIZE, L1_CACHE_BYTES); | |
4334 | ||
4335 | /* | |
4336 | * Process module parameters which affect early initialization. | |
4337 | */ | |
4338 | if (rx_dma_offset != 2 && rx_dma_offset != 0) { | |
4339 | dev_err(&adapter->pdev->dev, | |
4340 | "Ignoring illegal rx_dma_offset=%d, using 2\n", | |
4341 | rx_dma_offset); | |
4342 | rx_dma_offset = 2; | |
4343 | } | |
4344 | t4_set_reg_field(adapter, SGE_CONTROL, | |
4345 | PKTSHIFT_MASK, | |
4346 | PKTSHIFT(rx_dma_offset)); | |
4347 | ||
4348 | /* | |
4349 | * Don't include the "IP Pseudo Header" in CPL_RX_PKT checksums: Linux | |
4350 | * adds the pseudo header itself. | |
4351 | */ | |
4352 | t4_tp_wr_bits_indirect(adapter, TP_INGRESS_CONFIG, | |
4353 | CSUM_HAS_PSEUDO_HDR, 0); | |
4354 | ||
4355 | return 0; | |
4356 | } | |
4357 | ||
4358 | /* | |
4359 | * Attempt to initialize the adapter via a Firmware Configuration File. | |
4360 | */ | |
4361 | static int adap_init0_config(struct adapter *adapter, int reset) | |
4362 | { | |
4363 | struct fw_caps_config_cmd caps_cmd; | |
4364 | const struct firmware *cf; | |
4365 | unsigned long mtype = 0, maddr = 0; | |
4366 | u32 finiver, finicsum, cfcsum; | |
4367 | int ret, using_flash; | |
0a57a536 | 4368 | char *fw_config_file, fw_config_file_path[256]; |
636f9d37 VP |
4369 | |
4370 | /* | |
4371 | * Reset device if necessary. | |
4372 | */ | |
4373 | if (reset) { | |
4374 | ret = t4_fw_reset(adapter, adapter->mbox, | |
4375 | PIORSTMODE | PIORST); | |
4376 | if (ret < 0) | |
4377 | goto bye; | |
4378 | } | |
4379 | ||
4380 | /* | |
4381 | * If we have a T4 configuration file under /lib/firmware/cxgb4/, | |
4382 | * then use that. Otherwise, use the configuration file stored | |
4383 | * in the adapter flash ... | |
4384 | */ | |
0a57a536 SR |
4385 | switch (CHELSIO_CHIP_VERSION(adapter->chip)) { |
4386 | case CHELSIO_T4: | |
4387 | fw_config_file = FW_CFNAME; | |
4388 | break; | |
4389 | case CHELSIO_T5: | |
4390 | fw_config_file = FW5_CFNAME; | |
4391 | break; | |
4392 | default: | |
4393 | dev_err(adapter->pdev_dev, "Device %d is not supported\n", | |
4394 | adapter->pdev->device); | |
4395 | ret = -EINVAL; | |
4396 | goto bye; | |
4397 | } | |
4398 | ||
4399 | ret = request_firmware(&cf, fw_config_file, adapter->pdev_dev); | |
636f9d37 VP |
4400 | if (ret < 0) { |
4401 | using_flash = 1; | |
4402 | mtype = FW_MEMTYPE_CF_FLASH; | |
4403 | maddr = t4_flash_cfg_addr(adapter); | |
4404 | } else { | |
4405 | u32 params[7], val[7]; | |
4406 | ||
4407 | using_flash = 0; | |
4408 | if (cf->size >= FLASH_CFG_MAX_SIZE) | |
4409 | ret = -ENOMEM; | |
4410 | else { | |
4411 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | | |
4412 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CF)); | |
4413 | ret = t4_query_params(adapter, adapter->mbox, | |
4414 | adapter->fn, 0, 1, params, val); | |
4415 | if (ret == 0) { | |
4416 | /* | |
4417 | * For t4_memory_write() below addresses and | |
4418 | * sizes have to be in terms of multiples of 4 | |
4419 | * bytes. So, if the Configuration File isn't | |
4420 | * a multiple of 4 bytes in length we'll have | |
4421 | * to write that out separately since we can't | |
4422 | * guarantee that the bytes following the | |
4423 | * residual byte in the buffer returned by | |
4424 | * request_firmware() are zeroed out ... | |
4425 | */ | |
4426 | size_t resid = cf->size & 0x3; | |
4427 | size_t size = cf->size & ~0x3; | |
4428 | __be32 *data = (__be32 *)cf->data; | |
4429 | ||
4430 | mtype = FW_PARAMS_PARAM_Y_GET(val[0]); | |
4431 | maddr = FW_PARAMS_PARAM_Z_GET(val[0]) << 16; | |
4432 | ||
4433 | ret = t4_memory_write(adapter, mtype, maddr, | |
4434 | size, data); | |
4435 | if (ret == 0 && resid != 0) { | |
4436 | union { | |
4437 | __be32 word; | |
4438 | char buf[4]; | |
4439 | } last; | |
4440 | int i; | |
4441 | ||
4442 | last.word = data[size >> 2]; | |
4443 | for (i = resid; i < 4; i++) | |
4444 | last.buf[i] = 0; | |
4445 | ret = t4_memory_write(adapter, mtype, | |
4446 | maddr + size, | |
4447 | 4, &last.word); | |
4448 | } | |
4449 | } | |
4450 | } | |
4451 | ||
4452 | release_firmware(cf); | |
4453 | if (ret) | |
4454 | goto bye; | |
4455 | } | |
4456 | ||
4457 | /* | |
4458 | * Issue a Capability Configuration command to the firmware to get it | |
4459 | * to parse the Configuration File. We don't use t4_fw_config_file() | |
4460 | * because we want the ability to modify various features after we've | |
4461 | * processed the configuration file ... | |
4462 | */ | |
4463 | memset(&caps_cmd, 0, sizeof(caps_cmd)); | |
4464 | caps_cmd.op_to_write = | |
4465 | htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4466 | FW_CMD_REQUEST | | |
4467 | FW_CMD_READ); | |
ce91a923 | 4468 | caps_cmd.cfvalid_to_len16 = |
636f9d37 VP |
4469 | htonl(FW_CAPS_CONFIG_CMD_CFVALID | |
4470 | FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) | | |
4471 | FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(maddr >> 16) | | |
4472 | FW_LEN16(caps_cmd)); | |
4473 | ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), | |
4474 | &caps_cmd); | |
4475 | if (ret < 0) | |
4476 | goto bye; | |
4477 | ||
4478 | finiver = ntohl(caps_cmd.finiver); | |
4479 | finicsum = ntohl(caps_cmd.finicsum); | |
4480 | cfcsum = ntohl(caps_cmd.cfcsum); | |
4481 | if (finicsum != cfcsum) | |
4482 | dev_warn(adapter->pdev_dev, "Configuration File checksum "\ | |
4483 | "mismatch: [fini] csum=%#x, computed csum=%#x\n", | |
4484 | finicsum, cfcsum); | |
4485 | ||
636f9d37 VP |
4486 | /* |
4487 | * And now tell the firmware to use the configuration we just loaded. | |
4488 | */ | |
4489 | caps_cmd.op_to_write = | |
4490 | htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4491 | FW_CMD_REQUEST | | |
4492 | FW_CMD_WRITE); | |
ce91a923 | 4493 | caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); |
636f9d37 VP |
4494 | ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), |
4495 | NULL); | |
4496 | if (ret < 0) | |
4497 | goto bye; | |
4498 | ||
4499 | /* | |
4500 | * Tweak configuration based on system architecture, module | |
4501 | * parameters, etc. | |
4502 | */ | |
4503 | ret = adap_init0_tweaks(adapter); | |
4504 | if (ret < 0) | |
4505 | goto bye; | |
4506 | ||
4507 | /* | |
4508 | * And finally tell the firmware to initialize itself using the | |
4509 | * parameters from the Configuration File. | |
4510 | */ | |
4511 | ret = t4_fw_initialize(adapter, adapter->mbox); | |
4512 | if (ret < 0) | |
4513 | goto bye; | |
4514 | ||
0a57a536 | 4515 | sprintf(fw_config_file_path, "/lib/firmware/%s", fw_config_file); |
636f9d37 VP |
4516 | /* |
4517 | * Return successfully and note that we're operating with parameters | |
4518 | * not supplied by the driver, rather than from hard-wired | |
4519 | * initialization constants burried in the driver. | |
4520 | */ | |
4521 | adapter->flags |= USING_SOFT_PARAMS; | |
4522 | dev_info(adapter->pdev_dev, "Successfully configured using Firmware "\ | |
4523 | "Configuration File %s, version %#x, computed checksum %#x\n", | |
4524 | (using_flash | |
4525 | ? "in device FLASH" | |
0a57a536 | 4526 | : fw_config_file_path), |
636f9d37 VP |
4527 | finiver, cfcsum); |
4528 | return 0; | |
4529 | ||
4530 | /* | |
4531 | * Something bad happened. Return the error ... (If the "error" | |
4532 | * is that there's no Configuration File on the adapter we don't | |
4533 | * want to issue a warning since this is fairly common.) | |
4534 | */ | |
4535 | bye: | |
4536 | if (ret != -ENOENT) | |
4537 | dev_warn(adapter->pdev_dev, "Configuration file error %d\n", | |
4538 | -ret); | |
4539 | return ret; | |
4540 | } | |
4541 | ||
13ee15d3 VP |
4542 | /* |
4543 | * Attempt to initialize the adapter via hard-coded, driver supplied | |
4544 | * parameters ... | |
4545 | */ | |
4546 | static int adap_init0_no_config(struct adapter *adapter, int reset) | |
4547 | { | |
4548 | struct sge *s = &adapter->sge; | |
4549 | struct fw_caps_config_cmd caps_cmd; | |
4550 | u32 v; | |
4551 | int i, ret; | |
4552 | ||
4553 | /* | |
4554 | * Reset device if necessary | |
4555 | */ | |
4556 | if (reset) { | |
4557 | ret = t4_fw_reset(adapter, adapter->mbox, | |
4558 | PIORSTMODE | PIORST); | |
4559 | if (ret < 0) | |
4560 | goto bye; | |
4561 | } | |
4562 | ||
4563 | /* | |
4564 | * Get device capabilities and select which we'll be using. | |
4565 | */ | |
4566 | memset(&caps_cmd, 0, sizeof(caps_cmd)); | |
4567 | caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4568 | FW_CMD_REQUEST | FW_CMD_READ); | |
ce91a923 | 4569 | caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); |
13ee15d3 VP |
4570 | ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), |
4571 | &caps_cmd); | |
4572 | if (ret < 0) | |
4573 | goto bye; | |
4574 | ||
13ee15d3 VP |
4575 | if (caps_cmd.niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) { |
4576 | if (!vf_acls) | |
4577 | caps_cmd.niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM); | |
4578 | else | |
4579 | caps_cmd.niccaps = htons(FW_CAPS_CONFIG_NIC_VM); | |
4580 | } else if (vf_acls) { | |
4581 | dev_err(adapter->pdev_dev, "virtualization ACLs not supported"); | |
4582 | goto bye; | |
4583 | } | |
4584 | caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | | |
4585 | FW_CMD_REQUEST | FW_CMD_WRITE); | |
4586 | ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), | |
4587 | NULL); | |
4588 | if (ret < 0) | |
4589 | goto bye; | |
4590 | ||
4591 | /* | |
4592 | * Tweak configuration based on system architecture, module | |
4593 | * parameters, etc. | |
4594 | */ | |
4595 | ret = adap_init0_tweaks(adapter); | |
4596 | if (ret < 0) | |
4597 | goto bye; | |
4598 | ||
4599 | /* | |
4600 | * Select RSS Global Mode we want to use. We use "Basic Virtual" | |
4601 | * mode which maps each Virtual Interface to its own section of | |
4602 | * the RSS Table and we turn on all map and hash enables ... | |
4603 | */ | |
4604 | adapter->flags |= RSS_TNLALLLOOKUP; | |
4605 | ret = t4_config_glbl_rss(adapter, adapter->mbox, | |
4606 | FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL, | |
4607 | FW_RSS_GLB_CONFIG_CMD_TNLMAPEN | | |
4608 | FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ | | |
4609 | ((adapter->flags & RSS_TNLALLLOOKUP) ? | |
4610 | FW_RSS_GLB_CONFIG_CMD_TNLALLLKP : 0)); | |
4611 | if (ret < 0) | |
4612 | goto bye; | |
4613 | ||
4614 | /* | |
4615 | * Set up our own fundamental resource provisioning ... | |
4616 | */ | |
4617 | ret = t4_cfg_pfvf(adapter, adapter->mbox, adapter->fn, 0, | |
4618 | PFRES_NEQ, PFRES_NETHCTRL, | |
4619 | PFRES_NIQFLINT, PFRES_NIQ, | |
4620 | PFRES_TC, PFRES_NVI, | |
4621 | FW_PFVF_CMD_CMASK_MASK, | |
4622 | pfvfres_pmask(adapter, adapter->fn, 0), | |
4623 | PFRES_NEXACTF, | |
4624 | PFRES_R_CAPS, PFRES_WX_CAPS); | |
4625 | if (ret < 0) | |
4626 | goto bye; | |
4627 | ||
4628 | /* | |
4629 | * Perform low level SGE initialization. We need to do this before we | |
4630 | * send the firmware the INITIALIZE command because that will cause | |
4631 | * any other PF Drivers which are waiting for the Master | |
4632 | * Initialization to proceed forward. | |
4633 | */ | |
4634 | for (i = 0; i < SGE_NTIMERS - 1; i++) | |
4635 | s->timer_val[i] = min(intr_holdoff[i], MAX_SGE_TIMERVAL); | |
4636 | s->timer_val[SGE_NTIMERS - 1] = MAX_SGE_TIMERVAL; | |
4637 | s->counter_val[0] = 1; | |
4638 | for (i = 1; i < SGE_NCOUNTERS; i++) | |
4639 | s->counter_val[i] = min(intr_cnt[i - 1], | |
4640 | THRESHOLD_0_GET(THRESHOLD_0_MASK)); | |
4641 | t4_sge_init(adapter); | |
4642 | ||
4643 | #ifdef CONFIG_PCI_IOV | |
4644 | /* | |
4645 | * Provision resource limits for Virtual Functions. We currently | |
4646 | * grant them all the same static resource limits except for the Port | |
4647 | * Access Rights Mask which we're assigning based on the PF. All of | |
4648 | * the static provisioning stuff for both the PF and VF really needs | |
4649 | * to be managed in a persistent manner for each device which the | |
4650 | * firmware controls. | |
4651 | */ | |
4652 | { | |
4653 | int pf, vf; | |
4654 | ||
7d6727cf | 4655 | for (pf = 0; pf < ARRAY_SIZE(num_vf); pf++) { |
13ee15d3 VP |
4656 | if (num_vf[pf] <= 0) |
4657 | continue; | |
4658 | ||
4659 | /* VF numbering starts at 1! */ | |
4660 | for (vf = 1; vf <= num_vf[pf]; vf++) { | |
4661 | ret = t4_cfg_pfvf(adapter, adapter->mbox, | |
4662 | pf, vf, | |
4663 | VFRES_NEQ, VFRES_NETHCTRL, | |
4664 | VFRES_NIQFLINT, VFRES_NIQ, | |
4665 | VFRES_TC, VFRES_NVI, | |
1f1e4958 | 4666 | FW_PFVF_CMD_CMASK_MASK, |
13ee15d3 VP |
4667 | pfvfres_pmask( |
4668 | adapter, pf, vf), | |
4669 | VFRES_NEXACTF, | |
4670 | VFRES_R_CAPS, VFRES_WX_CAPS); | |
4671 | if (ret < 0) | |
4672 | dev_warn(adapter->pdev_dev, | |
4673 | "failed to "\ | |
4674 | "provision pf/vf=%d/%d; " | |
4675 | "err=%d\n", pf, vf, ret); | |
4676 | } | |
4677 | } | |
4678 | } | |
4679 | #endif | |
4680 | ||
4681 | /* | |
4682 | * Set up the default filter mode. Later we'll want to implement this | |
4683 | * via a firmware command, etc. ... This needs to be done before the | |
4684 | * firmare initialization command ... If the selected set of fields | |
4685 | * isn't equal to the default value, we'll need to make sure that the | |
4686 | * field selections will fit in the 36-bit budget. | |
4687 | */ | |
4688 | if (tp_vlan_pri_map != TP_VLAN_PRI_MAP_DEFAULT) { | |
404d9e3f | 4689 | int j, bits = 0; |
13ee15d3 | 4690 | |
404d9e3f VP |
4691 | for (j = TP_VLAN_PRI_MAP_FIRST; j <= TP_VLAN_PRI_MAP_LAST; j++) |
4692 | switch (tp_vlan_pri_map & (1 << j)) { | |
13ee15d3 VP |
4693 | case 0: |
4694 | /* compressed filter field not enabled */ | |
4695 | break; | |
4696 | case FCOE_MASK: | |
4697 | bits += 1; | |
4698 | break; | |
4699 | case PORT_MASK: | |
4700 | bits += 3; | |
4701 | break; | |
4702 | case VNIC_ID_MASK: | |
4703 | bits += 17; | |
4704 | break; | |
4705 | case VLAN_MASK: | |
4706 | bits += 17; | |
4707 | break; | |
4708 | case TOS_MASK: | |
4709 | bits += 8; | |
4710 | break; | |
4711 | case PROTOCOL_MASK: | |
4712 | bits += 8; | |
4713 | break; | |
4714 | case ETHERTYPE_MASK: | |
4715 | bits += 16; | |
4716 | break; | |
4717 | case MACMATCH_MASK: | |
4718 | bits += 9; | |
4719 | break; | |
4720 | case MPSHITTYPE_MASK: | |
4721 | bits += 3; | |
4722 | break; | |
4723 | case FRAGMENTATION_MASK: | |
4724 | bits += 1; | |
4725 | break; | |
4726 | } | |
4727 | ||
4728 | if (bits > 36) { | |
4729 | dev_err(adapter->pdev_dev, | |
4730 | "tp_vlan_pri_map=%#x needs %d bits > 36;"\ | |
4731 | " using %#x\n", tp_vlan_pri_map, bits, | |
4732 | TP_VLAN_PRI_MAP_DEFAULT); | |
4733 | tp_vlan_pri_map = TP_VLAN_PRI_MAP_DEFAULT; | |
4734 | } | |
4735 | } | |
4736 | v = tp_vlan_pri_map; | |
4737 | t4_write_indirect(adapter, TP_PIO_ADDR, TP_PIO_DATA, | |
4738 | &v, 1, TP_VLAN_PRI_MAP); | |
4739 | ||
4740 | /* | |
4741 | * We need Five Tuple Lookup mode to be set in TP_GLOBAL_CONFIG order | |
4742 | * to support any of the compressed filter fields above. Newer | |
4743 | * versions of the firmware do this automatically but it doesn't hurt | |
4744 | * to set it here. Meanwhile, we do _not_ need to set Lookup Every | |
4745 | * Packet in TP_INGRESS_CONFIG to support matching non-TCP packets | |
4746 | * since the firmware automatically turns this on and off when we have | |
4747 | * a non-zero number of filters active (since it does have a | |
4748 | * performance impact). | |
4749 | */ | |
4750 | if (tp_vlan_pri_map) | |
4751 | t4_set_reg_field(adapter, TP_GLOBAL_CONFIG, | |
4752 | FIVETUPLELOOKUP_MASK, | |
4753 | FIVETUPLELOOKUP_MASK); | |
4754 | ||
4755 | /* | |
4756 | * Tweak some settings. | |
4757 | */ | |
4758 | t4_write_reg(adapter, TP_SHIFT_CNT, SYNSHIFTMAX(6) | | |
4759 | RXTSHIFTMAXR1(4) | RXTSHIFTMAXR2(15) | | |
4760 | PERSHIFTBACKOFFMAX(8) | PERSHIFTMAX(8) | | |
4761 | KEEPALIVEMAXR1(4) | KEEPALIVEMAXR2(9)); | |
4762 | ||
4763 | /* | |
4764 | * Get basic stuff going by issuing the Firmware Initialize command. | |
4765 | * Note that this _must_ be after all PFVF commands ... | |
4766 | */ | |
4767 | ret = t4_fw_initialize(adapter, adapter->mbox); | |
4768 | if (ret < 0) | |
4769 | goto bye; | |
4770 | ||
4771 | /* | |
4772 | * Return successfully! | |
4773 | */ | |
4774 | dev_info(adapter->pdev_dev, "Successfully configured using built-in "\ | |
4775 | "driver parameters\n"); | |
4776 | return 0; | |
4777 | ||
4778 | /* | |
4779 | * Something bad happened. Return the error ... | |
4780 | */ | |
4781 | bye: | |
4782 | return ret; | |
4783 | } | |
4784 | ||
b8ff05a9 DM |
4785 | /* |
4786 | * Phase 0 of initialization: contact FW, obtain config, perform basic init. | |
4787 | */ | |
4788 | static int adap_init0(struct adapter *adap) | |
4789 | { | |
4790 | int ret; | |
4791 | u32 v, port_vec; | |
4792 | enum dev_state state; | |
4793 | u32 params[7], val[7]; | |
9a4da2cd | 4794 | struct fw_caps_config_cmd caps_cmd; |
636f9d37 | 4795 | int reset = 1, j; |
b8ff05a9 | 4796 | |
636f9d37 VP |
4797 | /* |
4798 | * Contact FW, advertising Master capability (and potentially forcing | |
4799 | * ourselves as the Master PF if our module parameter force_init is | |
4800 | * set). | |
4801 | */ | |
4802 | ret = t4_fw_hello(adap, adap->mbox, adap->fn, | |
4803 | force_init ? MASTER_MUST : MASTER_MAY, | |
4804 | &state); | |
b8ff05a9 DM |
4805 | if (ret < 0) { |
4806 | dev_err(adap->pdev_dev, "could not connect to FW, error %d\n", | |
4807 | ret); | |
4808 | return ret; | |
4809 | } | |
636f9d37 VP |
4810 | if (ret == adap->mbox) |
4811 | adap->flags |= MASTER_PF; | |
4812 | if (force_init && state == DEV_STATE_INIT) | |
4813 | state = DEV_STATE_UNINIT; | |
b8ff05a9 | 4814 | |
636f9d37 VP |
4815 | /* |
4816 | * If we're the Master PF Driver and the device is uninitialized, | |
4817 | * then let's consider upgrading the firmware ... (We always want | |
4818 | * to check the firmware version number in order to A. get it for | |
4819 | * later reporting and B. to warn if the currently loaded firmware | |
4820 | * is excessively mismatched relative to the driver.) | |
4821 | */ | |
4822 | ret = t4_check_fw_version(adap); | |
4823 | if ((adap->flags & MASTER_PF) && state != DEV_STATE_INIT) { | |
4824 | if (ret == -EINVAL || ret > 0) { | |
4825 | if (upgrade_fw(adap) >= 0) { | |
4826 | /* | |
4827 | * Note that the chip was reset as part of the | |
4828 | * firmware upgrade so we don't reset it again | |
4829 | * below and grab the new firmware version. | |
4830 | */ | |
4831 | reset = 0; | |
4832 | ret = t4_check_fw_version(adap); | |
4833 | } | |
4834 | } | |
4835 | if (ret < 0) | |
4836 | return ret; | |
4837 | } | |
b8ff05a9 | 4838 | |
636f9d37 VP |
4839 | /* |
4840 | * Grab VPD parameters. This should be done after we establish a | |
4841 | * connection to the firmware since some of the VPD parameters | |
4842 | * (notably the Core Clock frequency) are retrieved via requests to | |
4843 | * the firmware. On the other hand, we need these fairly early on | |
4844 | * so we do this right after getting ahold of the firmware. | |
4845 | */ | |
4846 | ret = get_vpd_params(adap, &adap->params.vpd); | |
a0881cab DM |
4847 | if (ret < 0) |
4848 | goto bye; | |
a0881cab | 4849 | |
636f9d37 | 4850 | /* |
13ee15d3 VP |
4851 | * Find out what ports are available to us. Note that we need to do |
4852 | * this before calling adap_init0_no_config() since it needs nports | |
4853 | * and portvec ... | |
636f9d37 VP |
4854 | */ |
4855 | v = | |
4856 | FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | | |
4857 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC); | |
4858 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 1, &v, &port_vec); | |
a0881cab DM |
4859 | if (ret < 0) |
4860 | goto bye; | |
4861 | ||
636f9d37 VP |
4862 | adap->params.nports = hweight32(port_vec); |
4863 | adap->params.portvec = port_vec; | |
4864 | ||
4865 | /* | |
4866 | * If the firmware is initialized already (and we're not forcing a | |
4867 | * master initialization), note that we're living with existing | |
4868 | * adapter parameters. Otherwise, it's time to try initializing the | |
4869 | * adapter ... | |
4870 | */ | |
4871 | if (state == DEV_STATE_INIT) { | |
4872 | dev_info(adap->pdev_dev, "Coming up as %s: "\ | |
4873 | "Adapter already initialized\n", | |
4874 | adap->flags & MASTER_PF ? "MASTER" : "SLAVE"); | |
4875 | adap->flags |= USING_SOFT_PARAMS; | |
4876 | } else { | |
4877 | dev_info(adap->pdev_dev, "Coming up as MASTER: "\ | |
4878 | "Initializing adapter\n"); | |
636f9d37 VP |
4879 | |
4880 | /* | |
4881 | * If the firmware doesn't support Configuration | |
4882 | * Files warn user and exit, | |
4883 | */ | |
4884 | if (ret < 0) | |
13ee15d3 | 4885 | dev_warn(adap->pdev_dev, "Firmware doesn't support " |
636f9d37 | 4886 | "configuration file.\n"); |
13ee15d3 VP |
4887 | if (force_old_init) |
4888 | ret = adap_init0_no_config(adap, reset); | |
636f9d37 VP |
4889 | else { |
4890 | /* | |
13ee15d3 VP |
4891 | * Find out whether we're dealing with a version of |
4892 | * the firmware which has configuration file support. | |
636f9d37 | 4893 | */ |
13ee15d3 VP |
4894 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | |
4895 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CF)); | |
4896 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 1, | |
4897 | params, val); | |
636f9d37 | 4898 | |
13ee15d3 VP |
4899 | /* |
4900 | * If the firmware doesn't support Configuration | |
4901 | * Files, use the old Driver-based, hard-wired | |
4902 | * initialization. Otherwise, try using the | |
4903 | * Configuration File support and fall back to the | |
4904 | * Driver-based initialization if there's no | |
4905 | * Configuration File found. | |
4906 | */ | |
4907 | if (ret < 0) | |
4908 | ret = adap_init0_no_config(adap, reset); | |
4909 | else { | |
4910 | /* | |
4911 | * The firmware provides us with a memory | |
4912 | * buffer where we can load a Configuration | |
4913 | * File from the host if we want to override | |
4914 | * the Configuration File in flash. | |
4915 | */ | |
4916 | ||
4917 | ret = adap_init0_config(adap, reset); | |
4918 | if (ret == -ENOENT) { | |
4919 | dev_info(adap->pdev_dev, | |
4920 | "No Configuration File present " | |
4921 | "on adapter. Using hard-wired " | |
4922 | "configuration parameters.\n"); | |
4923 | ret = adap_init0_no_config(adap, reset); | |
4924 | } | |
636f9d37 VP |
4925 | } |
4926 | } | |
4927 | if (ret < 0) { | |
4928 | dev_err(adap->pdev_dev, | |
4929 | "could not initialize adapter, error %d\n", | |
4930 | -ret); | |
4931 | goto bye; | |
4932 | } | |
4933 | } | |
4934 | ||
4935 | /* | |
4936 | * If we're living with non-hard-coded parameters (either from a | |
4937 | * Firmware Configuration File or values programmed by a different PF | |
4938 | * Driver), give the SGE code a chance to pull in anything that it | |
4939 | * needs ... Note that this must be called after we retrieve our VPD | |
4940 | * parameters in order to know how to convert core ticks to seconds. | |
4941 | */ | |
4942 | if (adap->flags & USING_SOFT_PARAMS) { | |
4943 | ret = t4_sge_init(adap); | |
4944 | if (ret < 0) | |
4945 | goto bye; | |
4946 | } | |
4947 | ||
9a4da2cd VP |
4948 | if (is_bypass_device(adap->pdev->device)) |
4949 | adap->params.bypass = 1; | |
4950 | ||
636f9d37 VP |
4951 | /* |
4952 | * Grab some of our basic fundamental operating parameters. | |
4953 | */ | |
4954 | #define FW_PARAM_DEV(param) \ | |
4955 | (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \ | |
4956 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param)) | |
4957 | ||
b8ff05a9 | 4958 | #define FW_PARAM_PFVF(param) \ |
636f9d37 VP |
4959 | FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \ |
4960 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param)| \ | |
4961 | FW_PARAMS_PARAM_Y(0) | \ | |
4962 | FW_PARAMS_PARAM_Z(0) | |
b8ff05a9 | 4963 | |
636f9d37 | 4964 | params[0] = FW_PARAM_PFVF(EQ_START); |
b8ff05a9 DM |
4965 | params[1] = FW_PARAM_PFVF(L2T_START); |
4966 | params[2] = FW_PARAM_PFVF(L2T_END); | |
4967 | params[3] = FW_PARAM_PFVF(FILTER_START); | |
4968 | params[4] = FW_PARAM_PFVF(FILTER_END); | |
e46dab4d | 4969 | params[5] = FW_PARAM_PFVF(IQFLINT_START); |
636f9d37 | 4970 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 6, params, val); |
b8ff05a9 DM |
4971 | if (ret < 0) |
4972 | goto bye; | |
636f9d37 VP |
4973 | adap->sge.egr_start = val[0]; |
4974 | adap->l2t_start = val[1]; | |
4975 | adap->l2t_end = val[2]; | |
b8ff05a9 DM |
4976 | adap->tids.ftid_base = val[3]; |
4977 | adap->tids.nftids = val[4] - val[3] + 1; | |
e46dab4d | 4978 | adap->sge.ingr_start = val[5]; |
b8ff05a9 | 4979 | |
636f9d37 VP |
4980 | /* query params related to active filter region */ |
4981 | params[0] = FW_PARAM_PFVF(ACTIVE_FILTER_START); | |
4982 | params[1] = FW_PARAM_PFVF(ACTIVE_FILTER_END); | |
4983 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2, params, val); | |
4984 | /* If Active filter size is set we enable establishing | |
4985 | * offload connection through firmware work request | |
4986 | */ | |
4987 | if ((val[0] != val[1]) && (ret >= 0)) { | |
4988 | adap->flags |= FW_OFLD_CONN; | |
4989 | adap->tids.aftid_base = val[0]; | |
4990 | adap->tids.aftid_end = val[1]; | |
4991 | } | |
4992 | ||
636f9d37 VP |
4993 | /* |
4994 | * Get device capabilities so we can determine what resources we need | |
4995 | * to manage. | |
4996 | */ | |
4997 | memset(&caps_cmd, 0, sizeof(caps_cmd)); | |
9a4da2cd | 4998 | caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) | |
13ee15d3 | 4999 | FW_CMD_REQUEST | FW_CMD_READ); |
ce91a923 | 5000 | caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); |
636f9d37 VP |
5001 | ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd), |
5002 | &caps_cmd); | |
5003 | if (ret < 0) | |
5004 | goto bye; | |
5005 | ||
13ee15d3 | 5006 | if (caps_cmd.ofldcaps) { |
b8ff05a9 DM |
5007 | /* query offload-related parameters */ |
5008 | params[0] = FW_PARAM_DEV(NTID); | |
5009 | params[1] = FW_PARAM_PFVF(SERVER_START); | |
5010 | params[2] = FW_PARAM_PFVF(SERVER_END); | |
5011 | params[3] = FW_PARAM_PFVF(TDDP_START); | |
5012 | params[4] = FW_PARAM_PFVF(TDDP_END); | |
5013 | params[5] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ); | |
636f9d37 VP |
5014 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 6, |
5015 | params, val); | |
b8ff05a9 DM |
5016 | if (ret < 0) |
5017 | goto bye; | |
5018 | adap->tids.ntids = val[0]; | |
5019 | adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS); | |
5020 | adap->tids.stid_base = val[1]; | |
5021 | adap->tids.nstids = val[2] - val[1] + 1; | |
636f9d37 VP |
5022 | /* |
5023 | * Setup server filter region. Divide the availble filter | |
5024 | * region into two parts. Regular filters get 1/3rd and server | |
5025 | * filters get 2/3rd part. This is only enabled if workarond | |
5026 | * path is enabled. | |
5027 | * 1. For regular filters. | |
5028 | * 2. Server filter: This are special filters which are used | |
5029 | * to redirect SYN packets to offload queue. | |
5030 | */ | |
5031 | if (adap->flags & FW_OFLD_CONN && !is_bypass(adap)) { | |
5032 | adap->tids.sftid_base = adap->tids.ftid_base + | |
5033 | DIV_ROUND_UP(adap->tids.nftids, 3); | |
5034 | adap->tids.nsftids = adap->tids.nftids - | |
5035 | DIV_ROUND_UP(adap->tids.nftids, 3); | |
5036 | adap->tids.nftids = adap->tids.sftid_base - | |
5037 | adap->tids.ftid_base; | |
5038 | } | |
b8ff05a9 DM |
5039 | adap->vres.ddp.start = val[3]; |
5040 | adap->vres.ddp.size = val[4] - val[3] + 1; | |
5041 | adap->params.ofldq_wr_cred = val[5]; | |
636f9d37 | 5042 | |
b8ff05a9 DM |
5043 | adap->params.offload = 1; |
5044 | } | |
636f9d37 | 5045 | if (caps_cmd.rdmacaps) { |
b8ff05a9 DM |
5046 | params[0] = FW_PARAM_PFVF(STAG_START); |
5047 | params[1] = FW_PARAM_PFVF(STAG_END); | |
5048 | params[2] = FW_PARAM_PFVF(RQ_START); | |
5049 | params[3] = FW_PARAM_PFVF(RQ_END); | |
5050 | params[4] = FW_PARAM_PFVF(PBL_START); | |
5051 | params[5] = FW_PARAM_PFVF(PBL_END); | |
636f9d37 VP |
5052 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 6, |
5053 | params, val); | |
b8ff05a9 DM |
5054 | if (ret < 0) |
5055 | goto bye; | |
5056 | adap->vres.stag.start = val[0]; | |
5057 | adap->vres.stag.size = val[1] - val[0] + 1; | |
5058 | adap->vres.rq.start = val[2]; | |
5059 | adap->vres.rq.size = val[3] - val[2] + 1; | |
5060 | adap->vres.pbl.start = val[4]; | |
5061 | adap->vres.pbl.size = val[5] - val[4] + 1; | |
a0881cab DM |
5062 | |
5063 | params[0] = FW_PARAM_PFVF(SQRQ_START); | |
5064 | params[1] = FW_PARAM_PFVF(SQRQ_END); | |
5065 | params[2] = FW_PARAM_PFVF(CQ_START); | |
5066 | params[3] = FW_PARAM_PFVF(CQ_END); | |
1ae970e0 DM |
5067 | params[4] = FW_PARAM_PFVF(OCQ_START); |
5068 | params[5] = FW_PARAM_PFVF(OCQ_END); | |
636f9d37 | 5069 | ret = t4_query_params(adap, 0, 0, 0, 6, params, val); |
a0881cab DM |
5070 | if (ret < 0) |
5071 | goto bye; | |
5072 | adap->vres.qp.start = val[0]; | |
5073 | adap->vres.qp.size = val[1] - val[0] + 1; | |
5074 | adap->vres.cq.start = val[2]; | |
5075 | adap->vres.cq.size = val[3] - val[2] + 1; | |
1ae970e0 DM |
5076 | adap->vres.ocq.start = val[4]; |
5077 | adap->vres.ocq.size = val[5] - val[4] + 1; | |
b8ff05a9 | 5078 | } |
636f9d37 | 5079 | if (caps_cmd.iscsicaps) { |
b8ff05a9 DM |
5080 | params[0] = FW_PARAM_PFVF(ISCSI_START); |
5081 | params[1] = FW_PARAM_PFVF(ISCSI_END); | |
636f9d37 VP |
5082 | ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2, |
5083 | params, val); | |
b8ff05a9 DM |
5084 | if (ret < 0) |
5085 | goto bye; | |
5086 | adap->vres.iscsi.start = val[0]; | |
5087 | adap->vres.iscsi.size = val[1] - val[0] + 1; | |
5088 | } | |
5089 | #undef FW_PARAM_PFVF | |
5090 | #undef FW_PARAM_DEV | |
5091 | ||
636f9d37 VP |
5092 | /* |
5093 | * These are finalized by FW initialization, load their values now. | |
5094 | */ | |
b8ff05a9 DM |
5095 | v = t4_read_reg(adap, TP_TIMER_RESOLUTION); |
5096 | adap->params.tp.tre = TIMERRESOLUTION_GET(v); | |
636f9d37 | 5097 | adap->params.tp.dack_re = DELAYEDACKRESOLUTION_GET(v); |
b8ff05a9 DM |
5098 | t4_read_mtu_tbl(adap, adap->params.mtus, NULL); |
5099 | t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd, | |
5100 | adap->params.b_wnd); | |
7ee9ff94 | 5101 | |
636f9d37 VP |
5102 | /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ |
5103 | for (j = 0; j < NCHAN; j++) | |
5104 | adap->params.tp.tx_modq[j] = j; | |
7ee9ff94 | 5105 | |
793dad94 VP |
5106 | t4_read_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, |
5107 | &adap->filter_mode, 1, | |
5108 | TP_VLAN_PRI_MAP); | |
5109 | ||
636f9d37 | 5110 | adap->flags |= FW_OK; |
b8ff05a9 DM |
5111 | return 0; |
5112 | ||
5113 | /* | |
636f9d37 VP |
5114 | * Something bad happened. If a command timed out or failed with EIO |
5115 | * FW does not operate within its spec or something catastrophic | |
5116 | * happened to HW/FW, stop issuing commands. | |
b8ff05a9 | 5117 | */ |
636f9d37 VP |
5118 | bye: |
5119 | if (ret != -ETIMEDOUT && ret != -EIO) | |
5120 | t4_fw_bye(adap, adap->mbox); | |
b8ff05a9 DM |
5121 | return ret; |
5122 | } | |
5123 | ||
204dc3c0 DM |
5124 | /* EEH callbacks */ |
5125 | ||
5126 | static pci_ers_result_t eeh_err_detected(struct pci_dev *pdev, | |
5127 | pci_channel_state_t state) | |
5128 | { | |
5129 | int i; | |
5130 | struct adapter *adap = pci_get_drvdata(pdev); | |
5131 | ||
5132 | if (!adap) | |
5133 | goto out; | |
5134 | ||
5135 | rtnl_lock(); | |
5136 | adap->flags &= ~FW_OK; | |
5137 | notify_ulds(adap, CXGB4_STATE_START_RECOVERY); | |
5138 | for_each_port(adap, i) { | |
5139 | struct net_device *dev = adap->port[i]; | |
5140 | ||
5141 | netif_device_detach(dev); | |
5142 | netif_carrier_off(dev); | |
5143 | } | |
5144 | if (adap->flags & FULL_INIT_DONE) | |
5145 | cxgb_down(adap); | |
5146 | rtnl_unlock(); | |
5147 | pci_disable_device(pdev); | |
5148 | out: return state == pci_channel_io_perm_failure ? | |
5149 | PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; | |
5150 | } | |
5151 | ||
5152 | static pci_ers_result_t eeh_slot_reset(struct pci_dev *pdev) | |
5153 | { | |
5154 | int i, ret; | |
5155 | struct fw_caps_config_cmd c; | |
5156 | struct adapter *adap = pci_get_drvdata(pdev); | |
5157 | ||
5158 | if (!adap) { | |
5159 | pci_restore_state(pdev); | |
5160 | pci_save_state(pdev); | |
5161 | return PCI_ERS_RESULT_RECOVERED; | |
5162 | } | |
5163 | ||
5164 | if (pci_enable_device(pdev)) { | |
5165 | dev_err(&pdev->dev, "cannot reenable PCI device after reset\n"); | |
5166 | return PCI_ERS_RESULT_DISCONNECT; | |
5167 | } | |
5168 | ||
5169 | pci_set_master(pdev); | |
5170 | pci_restore_state(pdev); | |
5171 | pci_save_state(pdev); | |
5172 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
5173 | ||
5174 | if (t4_wait_dev_ready(adap) < 0) | |
5175 | return PCI_ERS_RESULT_DISCONNECT; | |
060e0c75 | 5176 | if (t4_fw_hello(adap, adap->fn, adap->fn, MASTER_MUST, NULL)) |
204dc3c0 DM |
5177 | return PCI_ERS_RESULT_DISCONNECT; |
5178 | adap->flags |= FW_OK; | |
5179 | if (adap_init1(adap, &c)) | |
5180 | return PCI_ERS_RESULT_DISCONNECT; | |
5181 | ||
5182 | for_each_port(adap, i) { | |
5183 | struct port_info *p = adap2pinfo(adap, i); | |
5184 | ||
060e0c75 DM |
5185 | ret = t4_alloc_vi(adap, adap->fn, p->tx_chan, adap->fn, 0, 1, |
5186 | NULL, NULL); | |
204dc3c0 DM |
5187 | if (ret < 0) |
5188 | return PCI_ERS_RESULT_DISCONNECT; | |
5189 | p->viid = ret; | |
5190 | p->xact_addr_filt = -1; | |
5191 | } | |
5192 | ||
5193 | t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd, | |
5194 | adap->params.b_wnd); | |
1ae970e0 | 5195 | setup_memwin(adap); |
204dc3c0 DM |
5196 | if (cxgb_up(adap)) |
5197 | return PCI_ERS_RESULT_DISCONNECT; | |
5198 | return PCI_ERS_RESULT_RECOVERED; | |
5199 | } | |
5200 | ||
5201 | static void eeh_resume(struct pci_dev *pdev) | |
5202 | { | |
5203 | int i; | |
5204 | struct adapter *adap = pci_get_drvdata(pdev); | |
5205 | ||
5206 | if (!adap) | |
5207 | return; | |
5208 | ||
5209 | rtnl_lock(); | |
5210 | for_each_port(adap, i) { | |
5211 | struct net_device *dev = adap->port[i]; | |
5212 | ||
5213 | if (netif_running(dev)) { | |
5214 | link_start(dev); | |
5215 | cxgb_set_rxmode(dev); | |
5216 | } | |
5217 | netif_device_attach(dev); | |
5218 | } | |
5219 | rtnl_unlock(); | |
5220 | } | |
5221 | ||
3646f0e5 | 5222 | static const struct pci_error_handlers cxgb4_eeh = { |
204dc3c0 DM |
5223 | .error_detected = eeh_err_detected, |
5224 | .slot_reset = eeh_slot_reset, | |
5225 | .resume = eeh_resume, | |
5226 | }; | |
5227 | ||
b8ff05a9 DM |
5228 | static inline bool is_10g_port(const struct link_config *lc) |
5229 | { | |
5230 | return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0; | |
5231 | } | |
5232 | ||
5233 | static inline void init_rspq(struct sge_rspq *q, u8 timer_idx, u8 pkt_cnt_idx, | |
5234 | unsigned int size, unsigned int iqe_size) | |
5235 | { | |
5236 | q->intr_params = QINTR_TIMER_IDX(timer_idx) | | |
5237 | (pkt_cnt_idx < SGE_NCOUNTERS ? QINTR_CNT_EN : 0); | |
5238 | q->pktcnt_idx = pkt_cnt_idx < SGE_NCOUNTERS ? pkt_cnt_idx : 0; | |
5239 | q->iqe_len = iqe_size; | |
5240 | q->size = size; | |
5241 | } | |
5242 | ||
5243 | /* | |
5244 | * Perform default configuration of DMA queues depending on the number and type | |
5245 | * of ports we found and the number of available CPUs. Most settings can be | |
5246 | * modified by the admin prior to actual use. | |
5247 | */ | |
91744948 | 5248 | static void cfg_queues(struct adapter *adap) |
b8ff05a9 DM |
5249 | { |
5250 | struct sge *s = &adap->sge; | |
5251 | int i, q10g = 0, n10g = 0, qidx = 0; | |
5252 | ||
5253 | for_each_port(adap, i) | |
5254 | n10g += is_10g_port(&adap2pinfo(adap, i)->link_cfg); | |
5255 | ||
5256 | /* | |
5257 | * We default to 1 queue per non-10G port and up to # of cores queues | |
5258 | * per 10G port. | |
5259 | */ | |
5260 | if (n10g) | |
5261 | q10g = (MAX_ETH_QSETS - (adap->params.nports - n10g)) / n10g; | |
5952dde7 YM |
5262 | if (q10g > netif_get_num_default_rss_queues()) |
5263 | q10g = netif_get_num_default_rss_queues(); | |
b8ff05a9 DM |
5264 | |
5265 | for_each_port(adap, i) { | |
5266 | struct port_info *pi = adap2pinfo(adap, i); | |
5267 | ||
5268 | pi->first_qset = qidx; | |
5269 | pi->nqsets = is_10g_port(&pi->link_cfg) ? q10g : 1; | |
5270 | qidx += pi->nqsets; | |
5271 | } | |
5272 | ||
5273 | s->ethqsets = qidx; | |
5274 | s->max_ethqsets = qidx; /* MSI-X may lower it later */ | |
5275 | ||
5276 | if (is_offload(adap)) { | |
5277 | /* | |
5278 | * For offload we use 1 queue/channel if all ports are up to 1G, | |
5279 | * otherwise we divide all available queues amongst the channels | |
5280 | * capped by the number of available cores. | |
5281 | */ | |
5282 | if (n10g) { | |
5283 | i = min_t(int, ARRAY_SIZE(s->ofldrxq), | |
5284 | num_online_cpus()); | |
5285 | s->ofldqsets = roundup(i, adap->params.nports); | |
5286 | } else | |
5287 | s->ofldqsets = adap->params.nports; | |
5288 | /* For RDMA one Rx queue per channel suffices */ | |
5289 | s->rdmaqs = adap->params.nports; | |
5290 | } | |
5291 | ||
5292 | for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) { | |
5293 | struct sge_eth_rxq *r = &s->ethrxq[i]; | |
5294 | ||
5295 | init_rspq(&r->rspq, 0, 0, 1024, 64); | |
5296 | r->fl.size = 72; | |
5297 | } | |
5298 | ||
5299 | for (i = 0; i < ARRAY_SIZE(s->ethtxq); i++) | |
5300 | s->ethtxq[i].q.size = 1024; | |
5301 | ||
5302 | for (i = 0; i < ARRAY_SIZE(s->ctrlq); i++) | |
5303 | s->ctrlq[i].q.size = 512; | |
5304 | ||
5305 | for (i = 0; i < ARRAY_SIZE(s->ofldtxq); i++) | |
5306 | s->ofldtxq[i].q.size = 1024; | |
5307 | ||
5308 | for (i = 0; i < ARRAY_SIZE(s->ofldrxq); i++) { | |
5309 | struct sge_ofld_rxq *r = &s->ofldrxq[i]; | |
5310 | ||
5311 | init_rspq(&r->rspq, 0, 0, 1024, 64); | |
5312 | r->rspq.uld = CXGB4_ULD_ISCSI; | |
5313 | r->fl.size = 72; | |
5314 | } | |
5315 | ||
5316 | for (i = 0; i < ARRAY_SIZE(s->rdmarxq); i++) { | |
5317 | struct sge_ofld_rxq *r = &s->rdmarxq[i]; | |
5318 | ||
5319 | init_rspq(&r->rspq, 0, 0, 511, 64); | |
5320 | r->rspq.uld = CXGB4_ULD_RDMA; | |
5321 | r->fl.size = 72; | |
5322 | } | |
5323 | ||
5324 | init_rspq(&s->fw_evtq, 6, 0, 512, 64); | |
5325 | init_rspq(&s->intrq, 6, 0, 2 * MAX_INGQ, 64); | |
5326 | } | |
5327 | ||
5328 | /* | |
5329 | * Reduce the number of Ethernet queues across all ports to at most n. | |
5330 | * n provides at least one queue per port. | |
5331 | */ | |
91744948 | 5332 | static void reduce_ethqs(struct adapter *adap, int n) |
b8ff05a9 DM |
5333 | { |
5334 | int i; | |
5335 | struct port_info *pi; | |
5336 | ||
5337 | while (n < adap->sge.ethqsets) | |
5338 | for_each_port(adap, i) { | |
5339 | pi = adap2pinfo(adap, i); | |
5340 | if (pi->nqsets > 1) { | |
5341 | pi->nqsets--; | |
5342 | adap->sge.ethqsets--; | |
5343 | if (adap->sge.ethqsets <= n) | |
5344 | break; | |
5345 | } | |
5346 | } | |
5347 | ||
5348 | n = 0; | |
5349 | for_each_port(adap, i) { | |
5350 | pi = adap2pinfo(adap, i); | |
5351 | pi->first_qset = n; | |
5352 | n += pi->nqsets; | |
5353 | } | |
5354 | } | |
5355 | ||
5356 | /* 2 MSI-X vectors needed for the FW queue and non-data interrupts */ | |
5357 | #define EXTRA_VECS 2 | |
5358 | ||
91744948 | 5359 | static int enable_msix(struct adapter *adap) |
b8ff05a9 DM |
5360 | { |
5361 | int ofld_need = 0; | |
5362 | int i, err, want, need; | |
5363 | struct sge *s = &adap->sge; | |
5364 | unsigned int nchan = adap->params.nports; | |
5365 | struct msix_entry entries[MAX_INGQ + 1]; | |
5366 | ||
5367 | for (i = 0; i < ARRAY_SIZE(entries); ++i) | |
5368 | entries[i].entry = i; | |
5369 | ||
5370 | want = s->max_ethqsets + EXTRA_VECS; | |
5371 | if (is_offload(adap)) { | |
5372 | want += s->rdmaqs + s->ofldqsets; | |
5373 | /* need nchan for each possible ULD */ | |
5374 | ofld_need = 2 * nchan; | |
5375 | } | |
5376 | need = adap->params.nports + EXTRA_VECS + ofld_need; | |
5377 | ||
5378 | while ((err = pci_enable_msix(adap->pdev, entries, want)) >= need) | |
5379 | want = err; | |
5380 | ||
5381 | if (!err) { | |
5382 | /* | |
5383 | * Distribute available vectors to the various queue groups. | |
5384 | * Every group gets its minimum requirement and NIC gets top | |
5385 | * priority for leftovers. | |
5386 | */ | |
5387 | i = want - EXTRA_VECS - ofld_need; | |
5388 | if (i < s->max_ethqsets) { | |
5389 | s->max_ethqsets = i; | |
5390 | if (i < s->ethqsets) | |
5391 | reduce_ethqs(adap, i); | |
5392 | } | |
5393 | if (is_offload(adap)) { | |
5394 | i = want - EXTRA_VECS - s->max_ethqsets; | |
5395 | i -= ofld_need - nchan; | |
5396 | s->ofldqsets = (i / nchan) * nchan; /* round down */ | |
5397 | } | |
5398 | for (i = 0; i < want; ++i) | |
5399 | adap->msix_info[i].vec = entries[i].vector; | |
5400 | } else if (err > 0) | |
5401 | dev_info(adap->pdev_dev, | |
5402 | "only %d MSI-X vectors left, not using MSI-X\n", err); | |
5403 | return err; | |
5404 | } | |
5405 | ||
5406 | #undef EXTRA_VECS | |
5407 | ||
91744948 | 5408 | static int init_rss(struct adapter *adap) |
671b0060 DM |
5409 | { |
5410 | unsigned int i, j; | |
5411 | ||
5412 | for_each_port(adap, i) { | |
5413 | struct port_info *pi = adap2pinfo(adap, i); | |
5414 | ||
5415 | pi->rss = kcalloc(pi->rss_size, sizeof(u16), GFP_KERNEL); | |
5416 | if (!pi->rss) | |
5417 | return -ENOMEM; | |
5418 | for (j = 0; j < pi->rss_size; j++) | |
278bc429 | 5419 | pi->rss[j] = ethtool_rxfh_indir_default(j, pi->nqsets); |
671b0060 DM |
5420 | } |
5421 | return 0; | |
5422 | } | |
5423 | ||
91744948 | 5424 | static void print_port_info(const struct net_device *dev) |
b8ff05a9 DM |
5425 | { |
5426 | static const char *base[] = { | |
a0881cab | 5427 | "R XFI", "R XAUI", "T SGMII", "T XFI", "T XAUI", "KX4", "CX4", |
7d5e77aa | 5428 | "KX", "KR", "R SFP+", "KR/KX", "KR/KX/KX4" |
b8ff05a9 DM |
5429 | }; |
5430 | ||
b8ff05a9 | 5431 | char buf[80]; |
118969ed | 5432 | char *bufp = buf; |
f1a051b9 | 5433 | const char *spd = ""; |
118969ed DM |
5434 | const struct port_info *pi = netdev_priv(dev); |
5435 | const struct adapter *adap = pi->adapter; | |
f1a051b9 DM |
5436 | |
5437 | if (adap->params.pci.speed == PCI_EXP_LNKSTA_CLS_2_5GB) | |
5438 | spd = " 2.5 GT/s"; | |
5439 | else if (adap->params.pci.speed == PCI_EXP_LNKSTA_CLS_5_0GB) | |
5440 | spd = " 5 GT/s"; | |
b8ff05a9 | 5441 | |
118969ed DM |
5442 | if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100M) |
5443 | bufp += sprintf(bufp, "100/"); | |
5444 | if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G) | |
5445 | bufp += sprintf(bufp, "1000/"); | |
5446 | if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) | |
5447 | bufp += sprintf(bufp, "10G/"); | |
5448 | if (bufp != buf) | |
5449 | --bufp; | |
5450 | sprintf(bufp, "BASE-%s", base[pi->port_type]); | |
5451 | ||
5452 | netdev_info(dev, "Chelsio %s rev %d %s %sNIC PCIe x%d%s%s\n", | |
0a57a536 SR |
5453 | adap->params.vpd.id, |
5454 | CHELSIO_CHIP_RELEASE(adap->params.rev), buf, | |
118969ed DM |
5455 | is_offload(adap) ? "R" : "", adap->params.pci.width, spd, |
5456 | (adap->flags & USING_MSIX) ? " MSI-X" : | |
5457 | (adap->flags & USING_MSI) ? " MSI" : ""); | |
5458 | netdev_info(dev, "S/N: %s, E/C: %s\n", | |
5459 | adap->params.vpd.sn, adap->params.vpd.ec); | |
b8ff05a9 DM |
5460 | } |
5461 | ||
91744948 | 5462 | static void enable_pcie_relaxed_ordering(struct pci_dev *dev) |
ef306b50 | 5463 | { |
e5c8ae5f | 5464 | pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN); |
ef306b50 DM |
5465 | } |
5466 | ||
06546391 DM |
5467 | /* |
5468 | * Free the following resources: | |
5469 | * - memory used for tables | |
5470 | * - MSI/MSI-X | |
5471 | * - net devices | |
5472 | * - resources FW is holding for us | |
5473 | */ | |
5474 | static void free_some_resources(struct adapter *adapter) | |
5475 | { | |
5476 | unsigned int i; | |
5477 | ||
5478 | t4_free_mem(adapter->l2t); | |
5479 | t4_free_mem(adapter->tids.tid_tab); | |
5480 | disable_msi(adapter); | |
5481 | ||
5482 | for_each_port(adapter, i) | |
671b0060 DM |
5483 | if (adapter->port[i]) { |
5484 | kfree(adap2pinfo(adapter, i)->rss); | |
06546391 | 5485 | free_netdev(adapter->port[i]); |
671b0060 | 5486 | } |
06546391 | 5487 | if (adapter->flags & FW_OK) |
060e0c75 | 5488 | t4_fw_bye(adapter, adapter->fn); |
06546391 DM |
5489 | } |
5490 | ||
2ed28baa | 5491 | #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) |
35d35682 | 5492 | #define VLAN_FEAT (NETIF_F_SG | NETIF_F_IP_CSUM | TSO_FLAGS | \ |
b8ff05a9 | 5493 | NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) |
22adfe0a | 5494 | #define SEGMENT_SIZE 128 |
b8ff05a9 | 5495 | |
1dd06ae8 | 5496 | static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
b8ff05a9 | 5497 | { |
22adfe0a | 5498 | int func, i, err, s_qpp, qpp, num_seg; |
b8ff05a9 | 5499 | struct port_info *pi; |
c8f44aff | 5500 | bool highdma = false; |
b8ff05a9 DM |
5501 | struct adapter *adapter = NULL; |
5502 | ||
5503 | printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); | |
5504 | ||
5505 | err = pci_request_regions(pdev, KBUILD_MODNAME); | |
5506 | if (err) { | |
5507 | /* Just info, some other driver may have claimed the device. */ | |
5508 | dev_info(&pdev->dev, "cannot obtain PCI resources\n"); | |
5509 | return err; | |
5510 | } | |
5511 | ||
060e0c75 | 5512 | /* We control everything through one PF */ |
b8ff05a9 | 5513 | func = PCI_FUNC(pdev->devfn); |
060e0c75 | 5514 | if (func != ent->driver_data) { |
204dc3c0 | 5515 | pci_save_state(pdev); /* to restore SR-IOV later */ |
b8ff05a9 | 5516 | goto sriov; |
204dc3c0 | 5517 | } |
b8ff05a9 DM |
5518 | |
5519 | err = pci_enable_device(pdev); | |
5520 | if (err) { | |
5521 | dev_err(&pdev->dev, "cannot enable PCI device\n"); | |
5522 | goto out_release_regions; | |
5523 | } | |
5524 | ||
5525 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { | |
c8f44aff | 5526 | highdma = true; |
b8ff05a9 DM |
5527 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
5528 | if (err) { | |
5529 | dev_err(&pdev->dev, "unable to obtain 64-bit DMA for " | |
5530 | "coherent allocations\n"); | |
5531 | goto out_disable_device; | |
5532 | } | |
5533 | } else { | |
5534 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
5535 | if (err) { | |
5536 | dev_err(&pdev->dev, "no usable DMA configuration\n"); | |
5537 | goto out_disable_device; | |
5538 | } | |
5539 | } | |
5540 | ||
5541 | pci_enable_pcie_error_reporting(pdev); | |
ef306b50 | 5542 | enable_pcie_relaxed_ordering(pdev); |
b8ff05a9 DM |
5543 | pci_set_master(pdev); |
5544 | pci_save_state(pdev); | |
5545 | ||
5546 | adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); | |
5547 | if (!adapter) { | |
5548 | err = -ENOMEM; | |
5549 | goto out_disable_device; | |
5550 | } | |
5551 | ||
5552 | adapter->regs = pci_ioremap_bar(pdev, 0); | |
5553 | if (!adapter->regs) { | |
5554 | dev_err(&pdev->dev, "cannot map device registers\n"); | |
5555 | err = -ENOMEM; | |
5556 | goto out_free_adapter; | |
5557 | } | |
5558 | ||
5559 | adapter->pdev = pdev; | |
5560 | adapter->pdev_dev = &pdev->dev; | |
3069ee9b | 5561 | adapter->mbox = func; |
060e0c75 | 5562 | adapter->fn = func; |
b8ff05a9 DM |
5563 | adapter->msg_enable = dflt_msg_enable; |
5564 | memset(adapter->chan_map, 0xff, sizeof(adapter->chan_map)); | |
5565 | ||
5566 | spin_lock_init(&adapter->stats_lock); | |
5567 | spin_lock_init(&adapter->tid_release_lock); | |
5568 | ||
5569 | INIT_WORK(&adapter->tid_release_task, process_tid_release_list); | |
881806bc VP |
5570 | INIT_WORK(&adapter->db_full_task, process_db_full); |
5571 | INIT_WORK(&adapter->db_drop_task, process_db_drop); | |
b8ff05a9 DM |
5572 | |
5573 | err = t4_prep_adapter(adapter); | |
5574 | if (err) | |
22adfe0a SR |
5575 | goto out_unmap_bar0; |
5576 | ||
5577 | if (!is_t4(adapter->chip)) { | |
5578 | s_qpp = QUEUESPERPAGEPF1 * adapter->fn; | |
5579 | qpp = 1 << QUEUESPERPAGEPF0_GET(t4_read_reg(adapter, | |
5580 | SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp); | |
5581 | num_seg = PAGE_SIZE / SEGMENT_SIZE; | |
5582 | ||
5583 | /* Each segment size is 128B. Write coalescing is enabled only | |
5584 | * when SGE_EGRESS_QUEUES_PER_PAGE_PF reg value for the | |
5585 | * queue is less no of segments that can be accommodated in | |
5586 | * a page size. | |
5587 | */ | |
5588 | if (qpp > num_seg) { | |
5589 | dev_err(&pdev->dev, | |
5590 | "Incorrect number of egress queues per page\n"); | |
5591 | err = -EINVAL; | |
5592 | goto out_unmap_bar0; | |
5593 | } | |
5594 | adapter->bar2 = ioremap_wc(pci_resource_start(pdev, 2), | |
5595 | pci_resource_len(pdev, 2)); | |
5596 | if (!adapter->bar2) { | |
5597 | dev_err(&pdev->dev, "cannot map device bar2 region\n"); | |
5598 | err = -ENOMEM; | |
5599 | goto out_unmap_bar0; | |
5600 | } | |
5601 | } | |
5602 | ||
636f9d37 | 5603 | setup_memwin(adapter); |
b8ff05a9 | 5604 | err = adap_init0(adapter); |
636f9d37 | 5605 | setup_memwin_rdma(adapter); |
b8ff05a9 DM |
5606 | if (err) |
5607 | goto out_unmap_bar; | |
5608 | ||
5609 | for_each_port(adapter, i) { | |
5610 | struct net_device *netdev; | |
5611 | ||
5612 | netdev = alloc_etherdev_mq(sizeof(struct port_info), | |
5613 | MAX_ETH_QSETS); | |
5614 | if (!netdev) { | |
5615 | err = -ENOMEM; | |
5616 | goto out_free_dev; | |
5617 | } | |
5618 | ||
5619 | SET_NETDEV_DEV(netdev, &pdev->dev); | |
5620 | ||
5621 | adapter->port[i] = netdev; | |
5622 | pi = netdev_priv(netdev); | |
5623 | pi->adapter = adapter; | |
5624 | pi->xact_addr_filt = -1; | |
b8ff05a9 | 5625 | pi->port_id = i; |
b8ff05a9 DM |
5626 | netdev->irq = pdev->irq; |
5627 | ||
2ed28baa MM |
5628 | netdev->hw_features = NETIF_F_SG | TSO_FLAGS | |
5629 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
5630 | NETIF_F_RXCSUM | NETIF_F_RXHASH | | |
5631 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
c8f44aff MM |
5632 | if (highdma) |
5633 | netdev->hw_features |= NETIF_F_HIGHDMA; | |
5634 | netdev->features |= netdev->hw_features; | |
b8ff05a9 DM |
5635 | netdev->vlan_features = netdev->features & VLAN_FEAT; |
5636 | ||
01789349 JP |
5637 | netdev->priv_flags |= IFF_UNICAST_FLT; |
5638 | ||
b8ff05a9 DM |
5639 | netdev->netdev_ops = &cxgb4_netdev_ops; |
5640 | SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops); | |
5641 | } | |
5642 | ||
5643 | pci_set_drvdata(pdev, adapter); | |
5644 | ||
5645 | if (adapter->flags & FW_OK) { | |
060e0c75 | 5646 | err = t4_port_init(adapter, func, func, 0); |
b8ff05a9 DM |
5647 | if (err) |
5648 | goto out_free_dev; | |
5649 | } | |
5650 | ||
5651 | /* | |
5652 | * Configure queues and allocate tables now, they can be needed as | |
5653 | * soon as the first register_netdev completes. | |
5654 | */ | |
5655 | cfg_queues(adapter); | |
5656 | ||
5657 | adapter->l2t = t4_init_l2t(); | |
5658 | if (!adapter->l2t) { | |
5659 | /* We tolerate a lack of L2T, giving up some functionality */ | |
5660 | dev_warn(&pdev->dev, "could not allocate L2T, continuing\n"); | |
5661 | adapter->params.offload = 0; | |
5662 | } | |
5663 | ||
5664 | if (is_offload(adapter) && tid_init(&adapter->tids) < 0) { | |
5665 | dev_warn(&pdev->dev, "could not allocate TID table, " | |
5666 | "continuing\n"); | |
5667 | adapter->params.offload = 0; | |
5668 | } | |
5669 | ||
f7cabcdd DM |
5670 | /* See what interrupts we'll be using */ |
5671 | if (msi > 1 && enable_msix(adapter) == 0) | |
5672 | adapter->flags |= USING_MSIX; | |
5673 | else if (msi > 0 && pci_enable_msi(pdev) == 0) | |
5674 | adapter->flags |= USING_MSI; | |
5675 | ||
671b0060 DM |
5676 | err = init_rss(adapter); |
5677 | if (err) | |
5678 | goto out_free_dev; | |
5679 | ||
b8ff05a9 DM |
5680 | /* |
5681 | * The card is now ready to go. If any errors occur during device | |
5682 | * registration we do not fail the whole card but rather proceed only | |
5683 | * with the ports we manage to register successfully. However we must | |
5684 | * register at least one net device. | |
5685 | */ | |
5686 | for_each_port(adapter, i) { | |
a57cabe0 DM |
5687 | pi = adap2pinfo(adapter, i); |
5688 | netif_set_real_num_tx_queues(adapter->port[i], pi->nqsets); | |
5689 | netif_set_real_num_rx_queues(adapter->port[i], pi->nqsets); | |
5690 | ||
b8ff05a9 DM |
5691 | err = register_netdev(adapter->port[i]); |
5692 | if (err) | |
b1a3c2b6 | 5693 | break; |
b1a3c2b6 DM |
5694 | adapter->chan_map[pi->tx_chan] = i; |
5695 | print_port_info(adapter->port[i]); | |
b8ff05a9 | 5696 | } |
b1a3c2b6 | 5697 | if (i == 0) { |
b8ff05a9 DM |
5698 | dev_err(&pdev->dev, "could not register any net devices\n"); |
5699 | goto out_free_dev; | |
5700 | } | |
b1a3c2b6 DM |
5701 | if (err) { |
5702 | dev_warn(&pdev->dev, "only %d net devices registered\n", i); | |
5703 | err = 0; | |
6403eab1 | 5704 | } |
b8ff05a9 DM |
5705 | |
5706 | if (cxgb4_debugfs_root) { | |
5707 | adapter->debugfs_root = debugfs_create_dir(pci_name(pdev), | |
5708 | cxgb4_debugfs_root); | |
5709 | setup_debugfs(adapter); | |
5710 | } | |
5711 | ||
6482aa7c DLR |
5712 | /* PCIe EEH recovery on powerpc platforms needs fundamental reset */ |
5713 | pdev->needs_freset = 1; | |
5714 | ||
b8ff05a9 DM |
5715 | if (is_offload(adapter)) |
5716 | attach_ulds(adapter); | |
5717 | ||
b8ff05a9 DM |
5718 | sriov: |
5719 | #ifdef CONFIG_PCI_IOV | |
7d6727cf | 5720 | if (func < ARRAY_SIZE(num_vf) && num_vf[func] > 0) |
b8ff05a9 DM |
5721 | if (pci_enable_sriov(pdev, num_vf[func]) == 0) |
5722 | dev_info(&pdev->dev, | |
5723 | "instantiated %u virtual functions\n", | |
5724 | num_vf[func]); | |
5725 | #endif | |
5726 | return 0; | |
5727 | ||
5728 | out_free_dev: | |
06546391 | 5729 | free_some_resources(adapter); |
b8ff05a9 | 5730 | out_unmap_bar: |
22adfe0a SR |
5731 | if (!is_t4(adapter->chip)) |
5732 | iounmap(adapter->bar2); | |
5733 | out_unmap_bar0: | |
b8ff05a9 DM |
5734 | iounmap(adapter->regs); |
5735 | out_free_adapter: | |
5736 | kfree(adapter); | |
5737 | out_disable_device: | |
5738 | pci_disable_pcie_error_reporting(pdev); | |
5739 | pci_disable_device(pdev); | |
5740 | out_release_regions: | |
5741 | pci_release_regions(pdev); | |
5742 | pci_set_drvdata(pdev, NULL); | |
5743 | return err; | |
5744 | } | |
5745 | ||
91744948 | 5746 | static void remove_one(struct pci_dev *pdev) |
b8ff05a9 DM |
5747 | { |
5748 | struct adapter *adapter = pci_get_drvdata(pdev); | |
5749 | ||
636f9d37 | 5750 | #ifdef CONFIG_PCI_IOV |
b8ff05a9 DM |
5751 | pci_disable_sriov(pdev); |
5752 | ||
636f9d37 VP |
5753 | #endif |
5754 | ||
b8ff05a9 DM |
5755 | if (adapter) { |
5756 | int i; | |
5757 | ||
5758 | if (is_offload(adapter)) | |
5759 | detach_ulds(adapter); | |
5760 | ||
5761 | for_each_port(adapter, i) | |
8f3a7676 | 5762 | if (adapter->port[i]->reg_state == NETREG_REGISTERED) |
b8ff05a9 DM |
5763 | unregister_netdev(adapter->port[i]); |
5764 | ||
5765 | if (adapter->debugfs_root) | |
5766 | debugfs_remove_recursive(adapter->debugfs_root); | |
5767 | ||
f2b7e78d VP |
5768 | /* If we allocated filters, free up state associated with any |
5769 | * valid filters ... | |
5770 | */ | |
5771 | if (adapter->tids.ftid_tab) { | |
5772 | struct filter_entry *f = &adapter->tids.ftid_tab[0]; | |
dca4faeb VP |
5773 | for (i = 0; i < (adapter->tids.nftids + |
5774 | adapter->tids.nsftids); i++, f++) | |
f2b7e78d VP |
5775 | if (f->valid) |
5776 | clear_filter(adapter, f); | |
5777 | } | |
5778 | ||
aaefae9b DM |
5779 | if (adapter->flags & FULL_INIT_DONE) |
5780 | cxgb_down(adapter); | |
b8ff05a9 | 5781 | |
06546391 | 5782 | free_some_resources(adapter); |
b8ff05a9 | 5783 | iounmap(adapter->regs); |
22adfe0a SR |
5784 | if (!is_t4(adapter->chip)) |
5785 | iounmap(adapter->bar2); | |
b8ff05a9 DM |
5786 | kfree(adapter); |
5787 | pci_disable_pcie_error_reporting(pdev); | |
5788 | pci_disable_device(pdev); | |
5789 | pci_release_regions(pdev); | |
5790 | pci_set_drvdata(pdev, NULL); | |
a069ec91 | 5791 | } else |
b8ff05a9 DM |
5792 | pci_release_regions(pdev); |
5793 | } | |
5794 | ||
5795 | static struct pci_driver cxgb4_driver = { | |
5796 | .name = KBUILD_MODNAME, | |
5797 | .id_table = cxgb4_pci_tbl, | |
5798 | .probe = init_one, | |
91744948 | 5799 | .remove = remove_one, |
204dc3c0 | 5800 | .err_handler = &cxgb4_eeh, |
b8ff05a9 DM |
5801 | }; |
5802 | ||
5803 | static int __init cxgb4_init_module(void) | |
5804 | { | |
5805 | int ret; | |
5806 | ||
3069ee9b VP |
5807 | workq = create_singlethread_workqueue("cxgb4"); |
5808 | if (!workq) | |
5809 | return -ENOMEM; | |
5810 | ||
b8ff05a9 DM |
5811 | /* Debugfs support is optional, just warn if this fails */ |
5812 | cxgb4_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); | |
5813 | if (!cxgb4_debugfs_root) | |
428ac43f | 5814 | pr_warn("could not create debugfs entry, continuing\n"); |
b8ff05a9 DM |
5815 | |
5816 | ret = pci_register_driver(&cxgb4_driver); | |
5817 | if (ret < 0) | |
5818 | debugfs_remove(cxgb4_debugfs_root); | |
5819 | return ret; | |
5820 | } | |
5821 | ||
5822 | static void __exit cxgb4_cleanup_module(void) | |
5823 | { | |
5824 | pci_unregister_driver(&cxgb4_driver); | |
5825 | debugfs_remove(cxgb4_debugfs_root); /* NULL ok */ | |
3069ee9b VP |
5826 | flush_workqueue(workq); |
5827 | destroy_workqueue(workq); | |
b8ff05a9 DM |
5828 | } |
5829 | ||
5830 | module_init(cxgb4_init_module); | |
5831 | module_exit(cxgb4_cleanup_module); |