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1 | /**************************************************************************/ |
2 | /* */ | |
3 | /* IBM System i and System p Virtual NIC Device Driver */ | |
4 | /* Copyright (C) 2014 IBM Corp. */ | |
5 | /* Santiago Leon (santi_leon@yahoo.com) */ | |
6 | /* Thomas Falcon (tlfalcon@linux.vnet.ibm.com) */ | |
7 | /* John Allen (jallen@linux.vnet.ibm.com) */ | |
8 | /* */ | |
9 | /* This program is free software; you can redistribute it and/or modify */ | |
10 | /* it under the terms of the GNU General Public License as published by */ | |
11 | /* the Free Software Foundation; either version 2 of the License, or */ | |
12 | /* (at your option) any later version. */ | |
13 | /* */ | |
14 | /* This program is distributed in the hope that it will be useful, */ | |
15 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ | |
16 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ | |
17 | /* GNU General Public License for more details. */ | |
18 | /* */ | |
19 | /* You should have received a copy of the GNU General Public License */ | |
20 | /* along with this program. */ | |
21 | /* */ | |
22 | /* This module contains the implementation of a virtual ethernet device */ | |
23 | /* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */ | |
24 | /* option of the RS/6000 Platform Architecture to interface with virtual */ | |
25 | /* ethernet NICs that are presented to the partition by the hypervisor. */ | |
26 | /* */ | |
27 | /**************************************************************************/ | |
28 | ||
29 | #define IBMVNIC_NAME "ibmvnic" | |
9fa2f2cc | 30 | #define IBMVNIC_DRIVER_VERSION "1.0.1" |
032c5e82 TF |
31 | #define IBMVNIC_INVALID_MAP -1 |
32 | #define IBMVNIC_STATS_TIMEOUT 1 | |
33 | /* basic structures plus 100 2k buffers */ | |
34 | #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305 | |
35 | ||
36 | /* Initial module_parameters */ | |
37 | #define IBMVNIC_RX_WEIGHT 16 | |
38 | /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */ | |
39 | #define IBMVNIC_BUFFS_PER_POOL 100 | |
40 | #define IBMVNIC_MAX_TX_QUEUES 5 | |
41 | ||
42 | struct ibmvnic_login_buffer { | |
43 | __be32 len; | |
44 | __be32 version; | |
45 | #define INITIAL_VERSION_LB 1 | |
46 | __be32 num_txcomp_subcrqs; | |
47 | __be32 off_txcomp_subcrqs; | |
48 | __be32 num_rxcomp_subcrqs; | |
49 | __be32 off_rxcomp_subcrqs; | |
50 | __be32 login_rsp_ioba; | |
51 | __be32 login_rsp_len; | |
52 | } __packed __aligned(8); | |
53 | ||
54 | struct ibmvnic_login_rsp_buffer { | |
55 | __be32 len; | |
56 | __be32 version; | |
57 | #define INITIAL_VERSION_LRB 1 | |
58 | __be32 num_txsubm_subcrqs; | |
59 | __be32 off_txsubm_subcrqs; | |
60 | __be32 num_rxadd_subcrqs; | |
61 | __be32 off_rxadd_subcrqs; | |
62 | __be32 off_rxadd_buff_size; | |
63 | __be32 num_supp_tx_desc; | |
64 | __be32 off_supp_tx_desc; | |
65 | } __packed __aligned(8); | |
66 | ||
67 | struct ibmvnic_query_ip_offload_buffer { | |
68 | __be32 len; | |
69 | __be32 version; | |
70 | #define INITIAL_VERSION_IOB 1 | |
71 | u8 ipv4_chksum; | |
72 | u8 ipv6_chksum; | |
73 | u8 tcp_ipv4_chksum; | |
74 | u8 tcp_ipv6_chksum; | |
75 | u8 udp_ipv4_chksum; | |
76 | u8 udp_ipv6_chksum; | |
77 | u8 large_tx_ipv4; | |
78 | u8 large_tx_ipv6; | |
79 | u8 large_rx_ipv4; | |
80 | u8 large_rx_ipv6; | |
81 | u8 reserved1[14]; | |
82 | __be16 max_ipv4_header_size; | |
83 | __be16 max_ipv6_header_size; | |
84 | __be16 max_tcp_header_size; | |
85 | __be16 max_udp_header_size; | |
86 | __be32 max_large_tx_size; | |
87 | __be32 max_large_rx_size; | |
88 | u8 reserved2[16]; | |
89 | u8 ipv6_extension_header; | |
90 | #define IPV6_EH_NOT_SUPPORTED 0x00 | |
91 | #define IPV6_EH_SUPPORTED_LIM 0x01 | |
92 | #define IPV6_EH_SUPPORTED 0xFF | |
93 | u8 tcp_pseudosum_req; | |
94 | #define TCP_PS_NOT_REQUIRED 0x00 | |
95 | #define TCP_PS_REQUIRED 0x01 | |
96 | u8 reserved3[30]; | |
97 | __be16 num_ipv6_ext_headers; | |
98 | __be32 off_ipv6_ext_headers; | |
99 | u8 reserved4[154]; | |
100 | } __packed __aligned(8); | |
101 | ||
102 | struct ibmvnic_control_ip_offload_buffer { | |
103 | __be32 len; | |
104 | __be32 version; | |
105 | #define INITIAL_VERSION_IOB 1 | |
106 | u8 ipv4_chksum; | |
107 | u8 ipv6_chksum; | |
108 | u8 tcp_ipv4_chksum; | |
109 | u8 tcp_ipv6_chksum; | |
110 | u8 udp_ipv4_chksum; | |
111 | u8 udp_ipv6_chksum; | |
112 | u8 large_tx_ipv4; | |
113 | u8 large_tx_ipv6; | |
114 | u8 bad_packet_rx; | |
115 | u8 large_rx_ipv4; | |
116 | u8 large_rx_ipv6; | |
117 | u8 reserved4[111]; | |
118 | } __packed __aligned(8); | |
119 | ||
120 | struct ibmvnic_fw_component { | |
121 | u8 name[48]; | |
122 | __be32 trace_buff_size; | |
123 | u8 correlator; | |
124 | u8 trace_level; | |
125 | u8 parent_correlator; | |
126 | u8 error_check_level; | |
127 | u8 trace_on; | |
128 | u8 reserved[7]; | |
129 | u8 description[192]; | |
130 | } __packed __aligned(8); | |
131 | ||
132 | struct ibmvnic_fw_trace_entry { | |
133 | __be32 trace_id; | |
134 | u8 num_valid_data; | |
135 | u8 reserved[3]; | |
136 | __be64 pmc_registers; | |
137 | __be64 timebase; | |
138 | __be64 trace_data[5]; | |
139 | } __packed __aligned(8); | |
140 | ||
141 | struct ibmvnic_statistics { | |
142 | __be32 version; | |
143 | __be32 promiscuous; | |
144 | __be64 rx_packets; | |
145 | __be64 rx_bytes; | |
146 | __be64 tx_packets; | |
147 | __be64 tx_bytes; | |
148 | __be64 ucast_tx_packets; | |
149 | __be64 ucast_rx_packets; | |
150 | __be64 mcast_tx_packets; | |
151 | __be64 mcast_rx_packets; | |
152 | __be64 bcast_tx_packets; | |
153 | __be64 bcast_rx_packets; | |
154 | __be64 align_errors; | |
155 | __be64 fcs_errors; | |
156 | __be64 single_collision_frames; | |
157 | __be64 multi_collision_frames; | |
158 | __be64 sqe_test_errors; | |
159 | __be64 deferred_tx; | |
160 | __be64 late_collisions; | |
161 | __be64 excess_collisions; | |
162 | __be64 internal_mac_tx_errors; | |
163 | __be64 carrier_sense; | |
164 | __be64 too_long_frames; | |
165 | __be64 internal_mac_rx_errors; | |
166 | u8 reserved[72]; | |
167 | } __packed __aligned(8); | |
168 | ||
169 | struct ibmvnic_acl_buffer { | |
170 | __be32 len; | |
171 | __be32 version; | |
172 | #define INITIAL_VERSION_IOB 1 | |
173 | u8 mac_acls_restrict; | |
174 | u8 vlan_acls_restrict; | |
175 | u8 reserved1[22]; | |
176 | __be32 num_mac_addrs; | |
177 | __be32 offset_mac_addrs; | |
178 | __be32 num_vlan_ids; | |
179 | __be32 offset_vlan_ids; | |
180 | u8 reserved2[80]; | |
181 | } __packed __aligned(8); | |
182 | ||
183 | /* descriptors have been changed, how should this be defined? 1? 4? */ | |
184 | ||
185 | #define IBMVNIC_TX_DESC_VERSIONS 3 | |
186 | ||
187 | /* is this still needed? */ | |
188 | struct ibmvnic_tx_comp_desc { | |
189 | u8 first; | |
190 | u8 num_comps; | |
191 | __be16 rcs[5]; | |
192 | __be32 correlators[5]; | |
193 | } __packed __aligned(8); | |
194 | ||
195 | /* some flags that included in v0 descriptor, which is gone | |
196 | * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM | |
197 | * and only in some offload_flags variable that doesn't seem | |
198 | * to be used anywhere, can probably be removed? | |
199 | */ | |
200 | ||
201 | #define IBMVNIC_TCP_CHKSUM 0x20 | |
202 | #define IBMVNIC_UDP_CHKSUM 0x08 | |
203 | ||
204 | #define IBMVNIC_MAX_FRAGS_PER_CRQ 3 | |
205 | ||
206 | struct ibmvnic_tx_desc { | |
207 | u8 first; | |
208 | u8 type; | |
209 | ||
210 | #define IBMVNIC_TX_DESC 0x10 | |
211 | u8 n_crq_elem; | |
212 | u8 n_sge; | |
213 | u8 flags1; | |
214 | #define IBMVNIC_TX_COMP_NEEDED 0x80 | |
215 | #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40 | |
216 | #define IBMVNIC_TX_LSO 0x20 | |
217 | #define IBMVNIC_TX_PROT_TCP 0x10 | |
218 | #define IBMVNIC_TX_PROT_UDP 0x08 | |
219 | #define IBMVNIC_TX_PROT_IPV4 0x04 | |
220 | #define IBMVNIC_TX_PROT_IPV6 0x02 | |
221 | #define IBMVNIC_TX_VLAN_PRESENT 0x01 | |
222 | u8 flags2; | |
223 | #define IBMVNIC_TX_VLAN_INSERT 0x80 | |
224 | __be16 mss; | |
225 | u8 reserved[4]; | |
226 | __be32 correlator; | |
227 | __be16 vlan_id; | |
228 | __be16 dma_reg; | |
229 | __be32 sge_len; | |
230 | __be64 ioba; | |
231 | } __packed __aligned(8); | |
232 | ||
233 | struct ibmvnic_hdr_desc { | |
234 | u8 first; | |
235 | u8 type; | |
236 | #define IBMVNIC_HDR_DESC 0x11 | |
237 | u8 len; | |
238 | u8 l2_len; | |
239 | __be16 l3_len; | |
240 | u8 l4_len; | |
241 | u8 flag; | |
242 | u8 data[24]; | |
243 | } __packed __aligned(8); | |
244 | ||
245 | struct ibmvnic_hdr_ext_desc { | |
246 | u8 first; | |
247 | u8 type; | |
248 | #define IBMVNIC_HDR_EXT_DESC 0x12 | |
249 | u8 len; | |
250 | u8 data[29]; | |
251 | } __packed __aligned(8); | |
252 | ||
253 | struct ibmvnic_sge_desc { | |
254 | u8 first; | |
255 | u8 type; | |
256 | #define IBMVNIC_SGE_DESC 0x30 | |
257 | __be16 sge1_dma_reg; | |
258 | __be32 sge1_len; | |
259 | __be64 sge1_ioba; | |
260 | __be16 reserved; | |
261 | __be16 sge2_dma_reg; | |
262 | __be32 sge2_len; | |
263 | __be64 sge2_ioba; | |
264 | } __packed __aligned(8); | |
265 | ||
266 | struct ibmvnic_rx_comp_desc { | |
267 | u8 first; | |
268 | u8 flags; | |
269 | #define IBMVNIC_IP_CHKSUM_GOOD 0x80 | |
270 | #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40 | |
271 | #define IBMVNIC_END_FRAME 0x20 | |
272 | #define IBMVNIC_EXACT_MC 0x10 | |
273 | #define IBMVNIC_VLAN_STRIPPED 0x08 | |
274 | __be16 off_frame_data; | |
275 | __be32 len; | |
276 | __be64 correlator; | |
277 | __be16 vlan_tci; | |
278 | __be16 rc; | |
279 | u8 reserved[12]; | |
280 | } __packed __aligned(8); | |
281 | ||
282 | struct ibmvnic_generic_scrq { | |
283 | u8 first; | |
284 | u8 reserved[31]; | |
285 | } __packed __aligned(8); | |
286 | ||
287 | struct ibmvnic_rx_buff_add_desc { | |
288 | u8 first; | |
289 | u8 reserved[7]; | |
290 | __be64 correlator; | |
291 | __be32 ioba; | |
292 | u8 map_id; | |
293 | __be32 len:24; | |
294 | u8 reserved2[8]; | |
295 | } __packed __aligned(8); | |
296 | ||
297 | struct ibmvnic_rc { | |
298 | u8 code; /* one of enum ibmvnic_rc_codes */ | |
299 | u8 detailed_data[3]; | |
300 | } __packed __aligned(4); | |
301 | ||
302 | struct ibmvnic_generic_crq { | |
303 | u8 first; | |
304 | u8 cmd; | |
305 | u8 params[10]; | |
306 | struct ibmvnic_rc rc; | |
307 | } __packed __aligned(8); | |
308 | ||
309 | struct ibmvnic_version_exchange { | |
310 | u8 first; | |
311 | u8 cmd; | |
312 | __be16 version; | |
313 | #define IBMVNIC_INITIAL_VERSION 1 | |
314 | u8 reserved[8]; | |
315 | struct ibmvnic_rc rc; | |
316 | } __packed __aligned(8); | |
317 | ||
318 | struct ibmvnic_capability { | |
319 | u8 first; | |
320 | u8 cmd; | |
321 | __be16 capability; /* one of ibmvnic_capabilities */ | |
de89e854 | 322 | __be64 number; |
032c5e82 | 323 | struct ibmvnic_rc rc; |
032c5e82 TF |
324 | } __packed __aligned(8); |
325 | ||
326 | struct ibmvnic_login { | |
327 | u8 first; | |
328 | u8 cmd; | |
329 | u8 reserved[6]; | |
330 | __be32 ioba; | |
331 | __be32 len; | |
332 | } __packed __aligned(8); | |
333 | ||
334 | struct ibmvnic_phys_parms { | |
335 | u8 first; | |
336 | u8 cmd; | |
337 | u8 flags1; | |
338 | #define IBMVNIC_EXTERNAL_LOOPBACK 0x80 | |
339 | #define IBMVNIC_INTERNAL_LOOPBACK 0x40 | |
340 | #define IBMVNIC_PROMISC 0x20 | |
341 | #define IBMVNIC_PHYS_LINK_ACTIVE 0x10 | |
342 | #define IBMVNIC_AUTONEG_DUPLEX 0x08 | |
343 | #define IBMVNIC_FULL_DUPLEX 0x04 | |
344 | #define IBMVNIC_HALF_DUPLEX 0x02 | |
345 | #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01 | |
346 | u8 flags2; | |
347 | #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80 | |
348 | __be32 speed; | |
349 | #define IBMVNIC_AUTONEG 0x80 | |
350 | #define IBMVNIC_10MBPS 0x40 | |
351 | #define IBMVNIC_100MBPS 0x20 | |
352 | #define IBMVNIC_1GBPS 0x10 | |
353 | #define IBMVNIC_10GBPS 0x08 | |
354 | __be32 mtu; | |
355 | struct ibmvnic_rc rc; | |
356 | } __packed __aligned(8); | |
357 | ||
358 | struct ibmvnic_logical_link_state { | |
359 | u8 first; | |
360 | u8 cmd; | |
361 | u8 link_state; | |
362 | #define IBMVNIC_LOGICAL_LNK_DN 0x00 | |
363 | #define IBMVNIC_LOGICAL_LNK_UP 0x01 | |
364 | #define IBMVNIC_LOGICAL_LNK_QUERY 0xff | |
365 | u8 reserved[9]; | |
366 | struct ibmvnic_rc rc; | |
367 | } __packed __aligned(8); | |
368 | ||
369 | struct ibmvnic_query_ip_offload { | |
370 | u8 first; | |
371 | u8 cmd; | |
372 | u8 reserved[2]; | |
373 | __be32 len; | |
374 | __be32 ioba; | |
375 | struct ibmvnic_rc rc; | |
376 | } __packed __aligned(8); | |
377 | ||
378 | struct ibmvnic_control_ip_offload { | |
379 | u8 first; | |
380 | u8 cmd; | |
381 | u8 reserved[2]; | |
382 | __be32 ioba; | |
383 | __be32 len; | |
384 | struct ibmvnic_rc rc; | |
385 | } __packed __aligned(8); | |
386 | ||
387 | struct ibmvnic_request_dump_size { | |
388 | u8 first; | |
389 | u8 cmd; | |
390 | u8 reserved[6]; | |
391 | __be32 len; | |
392 | struct ibmvnic_rc rc; | |
393 | } __packed __aligned(8); | |
394 | ||
395 | struct ibmvnic_request_dump { | |
396 | u8 first; | |
397 | u8 cmd; | |
398 | u8 reserved1[2]; | |
399 | __be32 ioba; | |
400 | __be32 len; | |
401 | u8 reserved2[4]; | |
402 | } __packed __aligned(8); | |
403 | ||
404 | struct ibmvnic_request_dump_rsp { | |
405 | u8 first; | |
406 | u8 cmd; | |
407 | u8 reserved[6]; | |
408 | __be32 dumped_len; | |
409 | struct ibmvnic_rc rc; | |
410 | } __packed __aligned(8); | |
411 | ||
412 | struct ibmvnic_request_ras_comp_num { | |
413 | u8 first; | |
414 | u8 cmd; | |
415 | u8 reserved1[2]; | |
416 | __be32 num_components; | |
417 | u8 reserved2[4]; | |
418 | struct ibmvnic_rc rc; | |
419 | } __packed __aligned(8); | |
420 | ||
421 | struct ibmvnic_request_ras_comps { | |
422 | u8 first; | |
423 | u8 cmd; | |
424 | u8 reserved[2]; | |
425 | __be32 ioba; | |
426 | __be32 len; | |
427 | struct ibmvnic_rc rc; | |
428 | } __packed __aligned(8); | |
429 | ||
430 | struct ibmvnic_control_ras { | |
431 | u8 first; | |
432 | u8 cmd; | |
433 | u8 correlator; | |
434 | u8 level; | |
435 | u8 op; | |
436 | #define IBMVNIC_TRACE_LEVEL 1 | |
437 | #define IBMVNIC_ERROR_LEVEL 2 | |
438 | #define IBMVNIC_TRACE_PAUSE 3 | |
439 | #define IBMVNIC_TRACE_RESUME 4 | |
440 | #define IBMVNIC_TRACE_ON 5 | |
441 | #define IBMVNIC_TRACE_OFF 6 | |
442 | #define IBMVNIC_CHG_TRACE_BUFF_SZ 7 | |
443 | u8 trace_buff_sz[3]; | |
444 | u8 reserved[4]; | |
445 | struct ibmvnic_rc rc; | |
446 | } __packed __aligned(8); | |
447 | ||
448 | struct ibmvnic_collect_fw_trace { | |
449 | u8 first; | |
450 | u8 cmd; | |
451 | u8 correlator; | |
452 | u8 reserved; | |
453 | __be32 ioba; | |
454 | __be32 len; | |
455 | struct ibmvnic_rc rc; | |
456 | } __packed __aligned(8); | |
457 | ||
458 | struct ibmvnic_request_statistics { | |
459 | u8 first; | |
460 | u8 cmd; | |
461 | u8 flags; | |
462 | #define IBMVNIC_PHYSICAL_PORT 0x80 | |
463 | u8 reserved1; | |
464 | __be32 ioba; | |
465 | __be32 len; | |
466 | u8 reserved[4]; | |
467 | } __packed __aligned(8); | |
468 | ||
469 | struct ibmvnic_request_debug_stats { | |
470 | u8 first; | |
471 | u8 cmd; | |
472 | u8 reserved[2]; | |
473 | __be32 ioba; | |
474 | __be32 len; | |
475 | struct ibmvnic_rc rc; | |
476 | } __packed __aligned(8); | |
477 | ||
478 | struct ibmvnic_error_indication { | |
479 | u8 first; | |
480 | u8 cmd; | |
481 | u8 flags; | |
482 | #define IBMVNIC_FATAL_ERROR 0x80 | |
483 | u8 reserved1; | |
484 | __be32 error_id; | |
485 | __be32 detail_error_sz; | |
486 | __be16 error_cause; | |
487 | u8 reserved2[2]; | |
488 | } __packed __aligned(8); | |
489 | ||
490 | struct ibmvnic_request_error_info { | |
491 | u8 first; | |
492 | u8 cmd; | |
493 | u8 reserved[2]; | |
494 | __be32 ioba; | |
495 | __be32 len; | |
496 | __be32 error_id; | |
497 | } __packed __aligned(8); | |
498 | ||
499 | struct ibmvnic_request_error_rsp { | |
500 | u8 first; | |
501 | u8 cmd; | |
502 | u8 reserved[2]; | |
503 | __be32 error_id; | |
504 | __be32 len; | |
505 | struct ibmvnic_rc rc; | |
506 | } __packed __aligned(8); | |
507 | ||
508 | struct ibmvnic_link_state_indication { | |
509 | u8 first; | |
510 | u8 cmd; | |
511 | u8 reserved1[2]; | |
512 | u8 phys_link_state; | |
513 | u8 logical_link_state; | |
514 | u8 reserved2[10]; | |
515 | } __packed __aligned(8); | |
516 | ||
517 | struct ibmvnic_change_mac_addr { | |
518 | u8 first; | |
519 | u8 cmd; | |
520 | u8 mac_addr[6]; | |
032c5e82 | 521 | u8 reserved[4]; |
993a82b0 | 522 | struct ibmvnic_rc rc; |
032c5e82 TF |
523 | } __packed __aligned(8); |
524 | ||
525 | struct ibmvnic_multicast_ctrl { | |
526 | u8 first; | |
527 | u8 cmd; | |
528 | u8 mac_addr[6]; | |
529 | u8 flags; | |
530 | #define IBMVNIC_ENABLE_MC 0x80 | |
531 | #define IBMVNIC_DISABLE_MC 0x40 | |
532 | #define IBMVNIC_ENABLE_ALL 0x20 | |
533 | #define IBMVNIC_DISABLE_ALL 0x10 | |
534 | u8 reserved1; | |
535 | __be16 reserved2; /* was num_enabled_mc_addr; */ | |
536 | struct ibmvnic_rc rc; | |
537 | } __packed __aligned(8); | |
538 | ||
539 | struct ibmvnic_get_vpd_size_rsp { | |
540 | u8 first; | |
541 | u8 cmd; | |
542 | u8 reserved[2]; | |
543 | __be64 len; | |
544 | struct ibmvnic_rc rc; | |
545 | } __packed __aligned(8); | |
546 | ||
547 | struct ibmvnic_get_vpd { | |
548 | u8 first; | |
549 | u8 cmd; | |
550 | u8 reserved1[2]; | |
551 | __be32 ioba; | |
552 | __be32 len; | |
553 | u8 reserved[4]; | |
554 | } __packed __aligned(8); | |
555 | ||
556 | struct ibmvnic_acl_change_indication { | |
557 | u8 first; | |
558 | u8 cmd; | |
559 | __be16 change_type; | |
560 | #define IBMVNIC_MAC_ACL 0 | |
561 | #define IBMVNIC_VLAN_ACL 1 | |
562 | u8 reserved[12]; | |
563 | } __packed __aligned(8); | |
564 | ||
565 | struct ibmvnic_acl_query { | |
566 | u8 first; | |
567 | u8 cmd; | |
568 | u8 reserved1[2]; | |
569 | __be32 ioba; | |
570 | __be32 len; | |
571 | u8 reserved2[4]; | |
572 | } __packed __aligned(8); | |
573 | ||
574 | struct ibmvnic_tune { | |
575 | u8 first; | |
576 | u8 cmd; | |
577 | u8 reserved1[2]; | |
578 | __be32 ioba; | |
579 | __be32 len; | |
580 | u8 reserved2[4]; | |
581 | } __packed __aligned(8); | |
582 | ||
583 | struct ibmvnic_request_map { | |
584 | u8 first; | |
585 | u8 cmd; | |
586 | u8 reserved1; | |
587 | u8 map_id; | |
588 | __be32 ioba; | |
589 | __be32 len; | |
590 | u8 reserved2[4]; | |
591 | } __packed __aligned(8); | |
592 | ||
593 | struct ibmvnic_request_map_rsp { | |
594 | u8 first; | |
595 | u8 cmd; | |
596 | u8 reserved1; | |
597 | u8 map_id; | |
288ccb75 | 598 | u8 reserved2[8]; |
032c5e82 TF |
599 | struct ibmvnic_rc rc; |
600 | } __packed __aligned(8); | |
601 | ||
602 | struct ibmvnic_request_unmap { | |
603 | u8 first; | |
604 | u8 cmd; | |
605 | u8 reserved1; | |
606 | u8 map_id; | |
607 | u8 reserved2[12]; | |
608 | } __packed __aligned(8); | |
609 | ||
610 | struct ibmvnic_request_unmap_rsp { | |
611 | u8 first; | |
612 | u8 cmd; | |
613 | u8 reserved1; | |
614 | u8 map_id; | |
615 | u8 reserved2[8]; | |
616 | struct ibmvnic_rc rc; | |
617 | } __packed __aligned(8); | |
618 | ||
619 | struct ibmvnic_query_map { | |
620 | u8 first; | |
621 | u8 cmd; | |
622 | u8 reserved[14]; | |
623 | } __packed __aligned(8); | |
624 | ||
625 | struct ibmvnic_query_map_rsp { | |
626 | u8 first; | |
627 | u8 cmd; | |
628 | u8 reserved; | |
629 | u8 page_size; | |
630 | __be32 tot_pages; | |
631 | __be32 free_pages; | |
632 | struct ibmvnic_rc rc; | |
633 | } __packed __aligned(8); | |
634 | ||
635 | union ibmvnic_crq { | |
636 | struct ibmvnic_generic_crq generic; | |
637 | struct ibmvnic_version_exchange version_exchange; | |
638 | struct ibmvnic_version_exchange version_exchange_rsp; | |
639 | struct ibmvnic_capability query_capability; | |
640 | struct ibmvnic_capability query_capability_rsp; | |
641 | struct ibmvnic_capability request_capability; | |
642 | struct ibmvnic_capability request_capability_rsp; | |
643 | struct ibmvnic_login login; | |
644 | struct ibmvnic_generic_crq login_rsp; | |
645 | struct ibmvnic_phys_parms query_phys_parms; | |
646 | struct ibmvnic_phys_parms query_phys_parms_rsp; | |
647 | struct ibmvnic_phys_parms query_phys_capabilities; | |
648 | struct ibmvnic_phys_parms query_phys_capabilities_rsp; | |
649 | struct ibmvnic_phys_parms set_phys_parms; | |
650 | struct ibmvnic_phys_parms set_phys_parms_rsp; | |
651 | struct ibmvnic_logical_link_state logical_link_state; | |
652 | struct ibmvnic_logical_link_state logical_link_state_rsp; | |
653 | struct ibmvnic_query_ip_offload query_ip_offload; | |
654 | struct ibmvnic_query_ip_offload query_ip_offload_rsp; | |
655 | struct ibmvnic_control_ip_offload control_ip_offload; | |
656 | struct ibmvnic_control_ip_offload control_ip_offload_rsp; | |
657 | struct ibmvnic_request_dump_size request_dump_size; | |
658 | struct ibmvnic_request_dump_size request_dump_size_rsp; | |
659 | struct ibmvnic_request_dump request_dump; | |
660 | struct ibmvnic_request_dump_rsp request_dump_rsp; | |
661 | struct ibmvnic_request_ras_comp_num request_ras_comp_num; | |
662 | struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp; | |
663 | struct ibmvnic_request_ras_comps request_ras_comps; | |
664 | struct ibmvnic_request_ras_comps request_ras_comps_rsp; | |
665 | struct ibmvnic_control_ras control_ras; | |
666 | struct ibmvnic_control_ras control_ras_rsp; | |
667 | struct ibmvnic_collect_fw_trace collect_fw_trace; | |
668 | struct ibmvnic_collect_fw_trace collect_fw_trace_rsp; | |
669 | struct ibmvnic_request_statistics request_statistics; | |
670 | struct ibmvnic_generic_crq request_statistics_rsp; | |
671 | struct ibmvnic_request_debug_stats request_debug_stats; | |
672 | struct ibmvnic_request_debug_stats request_debug_stats_rsp; | |
673 | struct ibmvnic_error_indication error_indication; | |
674 | struct ibmvnic_request_error_info request_error_info; | |
675 | struct ibmvnic_request_error_rsp request_error_rsp; | |
676 | struct ibmvnic_link_state_indication link_state_indication; | |
677 | struct ibmvnic_change_mac_addr change_mac_addr; | |
678 | struct ibmvnic_change_mac_addr change_mac_addr_rsp; | |
679 | struct ibmvnic_multicast_ctrl multicast_ctrl; | |
680 | struct ibmvnic_multicast_ctrl multicast_ctrl_rsp; | |
681 | struct ibmvnic_generic_crq get_vpd_size; | |
682 | struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp; | |
683 | struct ibmvnic_get_vpd get_vpd; | |
684 | struct ibmvnic_generic_crq get_vpd_rsp; | |
685 | struct ibmvnic_acl_change_indication acl_change_indication; | |
686 | struct ibmvnic_acl_query acl_query; | |
687 | struct ibmvnic_generic_crq acl_query_rsp; | |
688 | struct ibmvnic_tune tune; | |
689 | struct ibmvnic_generic_crq tune_rsp; | |
690 | struct ibmvnic_request_map request_map; | |
691 | struct ibmvnic_request_map_rsp request_map_rsp; | |
692 | struct ibmvnic_request_unmap request_unmap; | |
693 | struct ibmvnic_request_unmap_rsp request_unmap_rsp; | |
694 | struct ibmvnic_query_map query_map; | |
695 | struct ibmvnic_query_map_rsp query_map_rsp; | |
696 | }; | |
697 | ||
698 | enum ibmvnic_rc_codes { | |
699 | SUCCESS = 0, | |
700 | PARTIALSUCCESS = 1, | |
701 | PERMISSION = 2, | |
702 | NOMEMORY = 3, | |
703 | PARAMETER = 4, | |
704 | UNKNOWNCOMMAND = 5, | |
705 | ABORTED = 6, | |
706 | INVALIDSTATE = 7, | |
707 | INVALIDIOBA = 8, | |
708 | INVALIDLENGTH = 9, | |
709 | UNSUPPORTEDOPTION = 10, | |
710 | }; | |
711 | ||
712 | enum ibmvnic_capabilities { | |
713 | MIN_TX_QUEUES = 1, | |
714 | MIN_RX_QUEUES = 2, | |
715 | MIN_RX_ADD_QUEUES = 3, | |
716 | MAX_TX_QUEUES = 4, | |
717 | MAX_RX_QUEUES = 5, | |
718 | MAX_RX_ADD_QUEUES = 6, | |
719 | REQ_TX_QUEUES = 7, | |
720 | REQ_RX_QUEUES = 8, | |
721 | REQ_RX_ADD_QUEUES = 9, | |
722 | MIN_TX_ENTRIES_PER_SUBCRQ = 10, | |
723 | MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11, | |
724 | MAX_TX_ENTRIES_PER_SUBCRQ = 12, | |
725 | MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13, | |
726 | REQ_TX_ENTRIES_PER_SUBCRQ = 14, | |
727 | REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15, | |
728 | TCP_IP_OFFLOAD = 16, | |
729 | PROMISC_REQUESTED = 17, | |
730 | PROMISC_SUPPORTED = 18, | |
731 | MIN_MTU = 19, | |
732 | MAX_MTU = 20, | |
733 | REQ_MTU = 21, | |
734 | MAX_MULTICAST_FILTERS = 22, | |
735 | VLAN_HEADER_INSERTION = 23, | |
6052d5e2 | 736 | RX_VLAN_HEADER_INSERTION = 24, |
032c5e82 TF |
737 | MAX_TX_SG_ENTRIES = 25, |
738 | RX_SG_SUPPORTED = 26, | |
739 | RX_SG_REQUESTED = 27, | |
740 | OPT_TX_COMP_SUB_QUEUES = 28, | |
741 | OPT_RX_COMP_QUEUES = 29, | |
742 | OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30, | |
743 | OPT_TX_ENTRIES_PER_SUBCRQ = 31, | |
744 | OPT_RXBA_ENTRIES_PER_SUBCRQ = 32, | |
745 | TX_RX_DESC_REQ = 33, | |
746 | }; | |
747 | ||
748 | enum ibmvnic_error_cause { | |
749 | ADAPTER_PROBLEM = 0, | |
750 | BUS_PROBLEM = 1, | |
751 | FW_PROBLEM = 2, | |
752 | DD_PROBLEM = 3, | |
753 | EEH_RECOVERY = 4, | |
754 | FW_UPDATED = 5, | |
755 | LOW_MEMORY = 6, | |
756 | }; | |
757 | ||
758 | enum ibmvnic_commands { | |
759 | VERSION_EXCHANGE = 0x01, | |
760 | VERSION_EXCHANGE_RSP = 0x81, | |
761 | QUERY_CAPABILITY = 0x02, | |
762 | QUERY_CAPABILITY_RSP = 0x82, | |
763 | REQUEST_CAPABILITY = 0x03, | |
764 | REQUEST_CAPABILITY_RSP = 0x83, | |
765 | LOGIN = 0x04, | |
766 | LOGIN_RSP = 0x84, | |
767 | QUERY_PHYS_PARMS = 0x05, | |
768 | QUERY_PHYS_PARMS_RSP = 0x85, | |
769 | QUERY_PHYS_CAPABILITIES = 0x06, | |
770 | QUERY_PHYS_CAPABILITIES_RSP = 0x86, | |
771 | SET_PHYS_PARMS = 0x07, | |
772 | SET_PHYS_PARMS_RSP = 0x87, | |
773 | ERROR_INDICATION = 0x08, | |
774 | REQUEST_ERROR_INFO = 0x09, | |
775 | REQUEST_ERROR_RSP = 0x89, | |
032c5e82 TF |
776 | LOGICAL_LINK_STATE = 0x0C, |
777 | LOGICAL_LINK_STATE_RSP = 0x8C, | |
778 | REQUEST_STATISTICS = 0x0D, | |
779 | REQUEST_STATISTICS_RSP = 0x8D, | |
032c5e82 TF |
780 | COLLECT_FW_TRACE = 0x11, |
781 | COLLECT_FW_TRACE_RSP = 0x91, | |
782 | LINK_STATE_INDICATION = 0x12, | |
783 | CHANGE_MAC_ADDR = 0x13, | |
784 | CHANGE_MAC_ADDR_RSP = 0x93, | |
785 | MULTICAST_CTRL = 0x14, | |
786 | MULTICAST_CTRL_RSP = 0x94, | |
787 | GET_VPD_SIZE = 0x15, | |
788 | GET_VPD_SIZE_RSP = 0x95, | |
789 | GET_VPD = 0x16, | |
790 | GET_VPD_RSP = 0x96, | |
791 | TUNE = 0x17, | |
792 | TUNE_RSP = 0x97, | |
793 | QUERY_IP_OFFLOAD = 0x18, | |
794 | QUERY_IP_OFFLOAD_RSP = 0x98, | |
795 | CONTROL_IP_OFFLOAD = 0x19, | |
796 | CONTROL_IP_OFFLOAD_RSP = 0x99, | |
797 | ACL_CHANGE_INDICATION = 0x1A, | |
798 | ACL_QUERY = 0x1B, | |
799 | ACL_QUERY_RSP = 0x9B, | |
032c5e82 TF |
800 | QUERY_MAP = 0x1D, |
801 | QUERY_MAP_RSP = 0x9D, | |
802 | REQUEST_MAP = 0x1E, | |
803 | REQUEST_MAP_RSP = 0x9E, | |
804 | REQUEST_UNMAP = 0x1F, | |
805 | REQUEST_UNMAP_RSP = 0x9F, | |
806 | VLAN_CTRL = 0x20, | |
807 | VLAN_CTRL_RSP = 0xA0, | |
808 | }; | |
809 | ||
810 | enum ibmvnic_crq_type { | |
811 | IBMVNIC_CRQ_CMD = 0x80, | |
812 | IBMVNIC_CRQ_CMD_RSP = 0x80, | |
813 | IBMVNIC_CRQ_INIT_CMD = 0xC0, | |
814 | IBMVNIC_CRQ_INIT_RSP = 0xC0, | |
815 | IBMVNIC_CRQ_XPORT_EVENT = 0xFF, | |
816 | }; | |
817 | ||
818 | enum ibmvfc_crq_format { | |
819 | IBMVNIC_CRQ_INIT = 0x01, | |
820 | IBMVNIC_CRQ_INIT_COMPLETE = 0x02, | |
821 | IBMVNIC_PARTITION_MIGRATED = 0x06, | |
dfad09a6 | 822 | IBMVNIC_DEVICE_FAILOVER = 0x08, |
032c5e82 TF |
823 | }; |
824 | ||
825 | struct ibmvnic_crq_queue { | |
826 | union ibmvnic_crq *msgs; | |
827 | int size, cur; | |
828 | dma_addr_t msg_token; | |
829 | spinlock_t lock; | |
830 | }; | |
831 | ||
832 | union sub_crq { | |
833 | struct ibmvnic_generic_scrq generic; | |
834 | struct ibmvnic_tx_comp_desc tx_comp; | |
835 | struct ibmvnic_tx_desc v1; | |
836 | struct ibmvnic_hdr_desc hdr; | |
837 | struct ibmvnic_hdr_ext_desc hdr_ext; | |
838 | struct ibmvnic_sge_desc sge; | |
839 | struct ibmvnic_rx_comp_desc rx_comp; | |
840 | struct ibmvnic_rx_buff_add_desc rx_add; | |
841 | }; | |
842 | ||
843 | struct ibmvnic_sub_crq_queue { | |
844 | union sub_crq *msgs; | |
845 | int size, cur; | |
846 | dma_addr_t msg_token; | |
847 | unsigned long crq_num; | |
848 | unsigned long hw_irq; | |
849 | unsigned int irq; | |
850 | unsigned int pool_index; | |
851 | int scrq_num; | |
852 | spinlock_t lock; | |
853 | struct sk_buff *rx_skb_top; | |
854 | struct ibmvnic_adapter *adapter; | |
142c0ac4 | 855 | atomic_t used; |
032c5e82 TF |
856 | }; |
857 | ||
858 | struct ibmvnic_long_term_buff { | |
859 | unsigned char *buff; | |
860 | dma_addr_t addr; | |
861 | u64 size; | |
862 | u8 map_id; | |
863 | }; | |
864 | ||
865 | struct ibmvnic_tx_buff { | |
866 | struct sk_buff *skb; | |
867 | dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ]; | |
868 | unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ]; | |
869 | int index; | |
870 | int pool_index; | |
871 | bool last_frag; | |
ad7775dc TF |
872 | union sub_crq indir_arr[6]; |
873 | u8 hdr_data[140]; | |
874 | dma_addr_t indir_dma; | |
032c5e82 TF |
875 | }; |
876 | ||
877 | struct ibmvnic_tx_pool { | |
878 | struct ibmvnic_tx_buff *tx_buff; | |
879 | int *free_map; | |
880 | int consumer_index; | |
881 | int producer_index; | |
882 | wait_queue_head_t ibmvnic_tx_comp_q; | |
883 | struct task_struct *work_thread; | |
884 | struct ibmvnic_long_term_buff long_term_buff; | |
885 | }; | |
886 | ||
887 | struct ibmvnic_rx_buff { | |
888 | struct sk_buff *skb; | |
889 | dma_addr_t dma; | |
890 | unsigned char *data; | |
891 | int size; | |
892 | int pool_index; | |
893 | }; | |
894 | ||
895 | struct ibmvnic_rx_pool { | |
896 | struct ibmvnic_rx_buff *rx_buff; | |
897 | int size; | |
898 | int index; | |
899 | int buff_size; | |
900 | atomic_t available; | |
901 | int *free_map; | |
902 | int next_free; | |
903 | int next_alloc; | |
904 | int active; | |
905 | struct ibmvnic_long_term_buff long_term_buff; | |
906 | }; | |
907 | ||
908 | struct ibmvnic_error_buff { | |
909 | char *buff; | |
910 | dma_addr_t dma; | |
911 | int len; | |
912 | struct list_head list; | |
913 | __be32 error_id; | |
914 | }; | |
915 | ||
90c8014c NF |
916 | enum vnic_state {VNIC_PROBING = 1, |
917 | VNIC_PROBED, | |
918 | VNIC_OPENING, | |
919 | VNIC_OPEN, | |
920 | VNIC_CLOSING, | |
921 | VNIC_CLOSED, | |
922 | VNIC_REMOVING, | |
923 | VNIC_REMOVED}; | |
924 | ||
ed651a10 NF |
925 | enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1, |
926 | VNIC_RESET_MOBILITY, | |
927 | VNIC_RESET_FATAL, | |
8cb31cfc | 928 | VNIC_RESET_NON_FATAL, |
ed651a10 NF |
929 | VNIC_RESET_TIMEOUT}; |
930 | ||
931 | struct ibmvnic_rwi { | |
932 | enum ibmvnic_reset_reason reset_reason; | |
933 | struct list_head list; | |
934 | }; | |
935 | ||
032c5e82 TF |
936 | struct ibmvnic_adapter { |
937 | struct vio_dev *vdev; | |
938 | struct net_device *netdev; | |
939 | struct ibmvnic_crq_queue crq; | |
940 | u8 mac_addr[ETH_ALEN]; | |
941 | struct ibmvnic_query_ip_offload_buffer ip_offload_buf; | |
942 | dma_addr_t ip_offload_tok; | |
943 | struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl; | |
944 | dma_addr_t ip_offload_ctrl_tok; | |
032c5e82 | 945 | u32 msg_enable; |
032c5e82 TF |
946 | |
947 | /* Statistics */ | |
032c5e82 TF |
948 | struct ibmvnic_statistics stats; |
949 | dma_addr_t stats_token; | |
950 | struct completion stats_done; | |
951 | spinlock_t stats_lock; | |
952 | int replenish_no_mem; | |
953 | int replenish_add_buff_success; | |
954 | int replenish_add_buff_failure; | |
955 | int replenish_task_cycles; | |
956 | int tx_send_failed; | |
957 | int tx_map_failed; | |
958 | ||
959 | int phys_link_state; | |
960 | int logical_link_state; | |
961 | ||
962 | /* login data */ | |
963 | struct ibmvnic_login_buffer *login_buf; | |
964 | dma_addr_t login_buf_token; | |
965 | int login_buf_sz; | |
966 | ||
967 | struct ibmvnic_login_rsp_buffer *login_rsp_buf; | |
968 | dma_addr_t login_rsp_buf_token; | |
969 | int login_rsp_buf_sz; | |
970 | ||
901e040a | 971 | atomic_t running_cap_crqs; |
249168ad | 972 | bool wait_capability; |
032c5e82 TF |
973 | |
974 | struct ibmvnic_sub_crq_queue **tx_scrq; | |
975 | struct ibmvnic_sub_crq_queue **rx_scrq; | |
498cd8e4 | 976 | bool renegotiate; |
032c5e82 TF |
977 | |
978 | /* rx structs */ | |
979 | struct napi_struct *napi; | |
980 | struct ibmvnic_rx_pool *rx_pool; | |
981 | u64 promisc; | |
982 | ||
983 | struct ibmvnic_tx_pool *tx_pool; | |
032c5e82 | 984 | struct completion init_done; |
53da09e9 | 985 | int init_done_rc; |
032c5e82 TF |
986 | |
987 | struct list_head errors; | |
988 | spinlock_t error_list_lock; | |
989 | ||
032c5e82 | 990 | struct completion fw_done; |
f3be0cbc | 991 | int fw_done_rc; |
032c5e82 | 992 | |
032c5e82 TF |
993 | /* partner capabilities */ |
994 | u64 min_tx_queues; | |
995 | u64 min_rx_queues; | |
996 | u64 min_rx_add_queues; | |
997 | u64 max_tx_queues; | |
998 | u64 max_rx_queues; | |
999 | u64 max_rx_add_queues; | |
1000 | u64 req_tx_queues; | |
1001 | u64 req_rx_queues; | |
1002 | u64 req_rx_add_queues; | |
1003 | u64 min_tx_entries_per_subcrq; | |
1004 | u64 min_rx_add_entries_per_subcrq; | |
1005 | u64 max_tx_entries_per_subcrq; | |
1006 | u64 max_rx_add_entries_per_subcrq; | |
1007 | u64 req_tx_entries_per_subcrq; | |
1008 | u64 req_rx_add_entries_per_subcrq; | |
1009 | u64 tcp_ip_offload; | |
1010 | u64 promisc_requested; | |
1011 | u64 promisc_supported; | |
1012 | u64 min_mtu; | |
1013 | u64 max_mtu; | |
1014 | u64 req_mtu; | |
1015 | u64 max_multicast_filters; | |
1016 | u64 vlan_header_insertion; | |
6052d5e2 | 1017 | u64 rx_vlan_header_insertion; |
032c5e82 TF |
1018 | u64 max_tx_sg_entries; |
1019 | u64 rx_sg_supported; | |
1020 | u64 rx_sg_requested; | |
1021 | u64 opt_tx_comp_sub_queues; | |
1022 | u64 opt_rx_comp_queues; | |
1023 | u64 opt_rx_bufadd_q_per_rx_comp_q; | |
1024 | u64 opt_tx_entries_per_subcrq; | |
1025 | u64 opt_rxba_entries_per_subcrq; | |
1026 | __be64 tx_rx_desc_req; | |
1027 | u8 map_id; | |
65dc6891 | 1028 | |
6c267b3d | 1029 | struct tasklet_struct tasklet; |
90c8014c | 1030 | enum vnic_state state; |
ed651a10 NF |
1031 | enum ibmvnic_reset_reason reset_reason; |
1032 | struct mutex reset_lock, rwi_lock; | |
1033 | struct list_head rwi_list; | |
1034 | struct work_struct ibmvnic_reset; | |
1035 | bool resetting; | |
017892c1 | 1036 | bool napi_enabled, from_passive_init; |
032c5e82 | 1037 | }; |