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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/**************************************************************************/
3/* */
4/* IBM System i and System p Virtual NIC Device Driver */
5/* Copyright (C) 2014 IBM Corp. */
6/* Santiago Leon (santi_leon@yahoo.com) */
7/* Thomas Falcon (tlfalcon@linux.vnet.ibm.com) */
8/* John Allen (jallen@linux.vnet.ibm.com) */
9/* */
10/* */
11/* This module contains the implementation of a virtual ethernet device */
12/* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */
13/* option of the RS/6000 Platform Architecture to interface with virtual */
14/* ethernet NICs that are presented to the partition by the hypervisor. */
15/* */
16/**************************************************************************/
17
18#define IBMVNIC_NAME "ibmvnic"
19#define IBMVNIC_DRIVER_VERSION "1.0.1"
20#define IBMVNIC_INVALID_MAP -1
21#define IBMVNIC_STATS_TIMEOUT 1
22#define IBMVNIC_INIT_FAILED 2
23#define IBMVNIC_OPEN_FAILED 3
24
25/* basic structures plus 100 2k buffers */
26#define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
27
28/* Initial module_parameters */
29#define IBMVNIC_RX_WEIGHT 16
30/* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
31#define IBMVNIC_BUFFS_PER_POOL 100
32#define IBMVNIC_MAX_QUEUES 16
33#define IBMVNIC_MAX_QUEUE_SZ 4096
34
35#define IBMVNIC_TSO_BUF_SZ 65536
36#define IBMVNIC_TSO_BUFS 64
37#define IBMVNIC_TSO_POOL_MASK 0x80000000
38
39#define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
40#define IBMVNIC_BUFFER_HLEN 500
41
42#define IBMVNIC_RESET_DELAY 100
43
44static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = {
45#define IBMVNIC_USE_SERVER_MAXES 0x1
46 "use-server-maxes"
47};
48
49struct ibmvnic_login_buffer {
50 __be32 len;
51 __be32 version;
52#define INITIAL_VERSION_LB 1
53 __be32 num_txcomp_subcrqs;
54 __be32 off_txcomp_subcrqs;
55 __be32 num_rxcomp_subcrqs;
56 __be32 off_rxcomp_subcrqs;
57 __be32 login_rsp_ioba;
58 __be32 login_rsp_len;
59 __be32 client_data_offset;
60 __be32 client_data_len;
61} __packed __aligned(8);
62
63struct ibmvnic_login_rsp_buffer {
64 __be32 len;
65 __be32 version;
66#define INITIAL_VERSION_LRB 1
67 __be32 num_txsubm_subcrqs;
68 __be32 off_txsubm_subcrqs;
69 __be32 num_rxadd_subcrqs;
70 __be32 off_rxadd_subcrqs;
71 __be32 off_rxadd_buff_size;
72 __be32 num_supp_tx_desc;
73 __be32 off_supp_tx_desc;
74} __packed __aligned(8);
75
76struct ibmvnic_query_ip_offload_buffer {
77 __be32 len;
78 __be32 version;
79#define INITIAL_VERSION_IOB 1
80 u8 ipv4_chksum;
81 u8 ipv6_chksum;
82 u8 tcp_ipv4_chksum;
83 u8 tcp_ipv6_chksum;
84 u8 udp_ipv4_chksum;
85 u8 udp_ipv6_chksum;
86 u8 large_tx_ipv4;
87 u8 large_tx_ipv6;
88 u8 large_rx_ipv4;
89 u8 large_rx_ipv6;
90 u8 reserved1[14];
91 __be16 max_ipv4_header_size;
92 __be16 max_ipv6_header_size;
93 __be16 max_tcp_header_size;
94 __be16 max_udp_header_size;
95 __be32 max_large_tx_size;
96 __be32 max_large_rx_size;
97 u8 reserved2[16];
98 u8 ipv6_extension_header;
99#define IPV6_EH_NOT_SUPPORTED 0x00
100#define IPV6_EH_SUPPORTED_LIM 0x01
101#define IPV6_EH_SUPPORTED 0xFF
102 u8 tcp_pseudosum_req;
103#define TCP_PS_NOT_REQUIRED 0x00
104#define TCP_PS_REQUIRED 0x01
105 u8 reserved3[30];
106 __be16 num_ipv6_ext_headers;
107 __be32 off_ipv6_ext_headers;
108 u8 reserved4[154];
109} __packed __aligned(8);
110
111struct ibmvnic_control_ip_offload_buffer {
112 __be32 len;
113 __be32 version;
114#define INITIAL_VERSION_IOB 1
115 u8 ipv4_chksum;
116 u8 ipv6_chksum;
117 u8 tcp_ipv4_chksum;
118 u8 tcp_ipv6_chksum;
119 u8 udp_ipv4_chksum;
120 u8 udp_ipv6_chksum;
121 u8 large_tx_ipv4;
122 u8 large_tx_ipv6;
123 u8 bad_packet_rx;
124 u8 large_rx_ipv4;
125 u8 large_rx_ipv6;
126 u8 reserved4[111];
127} __packed __aligned(8);
128
129struct ibmvnic_fw_component {
130 u8 name[48];
131 __be32 trace_buff_size;
132 u8 correlator;
133 u8 trace_level;
134 u8 parent_correlator;
135 u8 error_check_level;
136 u8 trace_on;
137 u8 reserved[7];
138 u8 description[192];
139} __packed __aligned(8);
140
141struct ibmvnic_fw_trace_entry {
142 __be32 trace_id;
143 u8 num_valid_data;
144 u8 reserved[3];
145 __be64 pmc_registers;
146 __be64 timebase;
147 __be64 trace_data[5];
148} __packed __aligned(8);
149
150struct ibmvnic_statistics {
151 __be32 version;
152 __be32 promiscuous;
153 __be64 rx_packets;
154 __be64 rx_bytes;
155 __be64 tx_packets;
156 __be64 tx_bytes;
157 __be64 ucast_tx_packets;
158 __be64 ucast_rx_packets;
159 __be64 mcast_tx_packets;
160 __be64 mcast_rx_packets;
161 __be64 bcast_tx_packets;
162 __be64 bcast_rx_packets;
163 __be64 align_errors;
164 __be64 fcs_errors;
165 __be64 single_collision_frames;
166 __be64 multi_collision_frames;
167 __be64 sqe_test_errors;
168 __be64 deferred_tx;
169 __be64 late_collisions;
170 __be64 excess_collisions;
171 __be64 internal_mac_tx_errors;
172 __be64 carrier_sense;
173 __be64 too_long_frames;
174 __be64 internal_mac_rx_errors;
175 u8 reserved[72];
176} __packed __aligned(8);
177
178#define NUM_TX_STATS 3
179struct ibmvnic_tx_queue_stats {
180 u64 packets;
181 u64 bytes;
182 u64 dropped_packets;
183};
184
185#define NUM_RX_STATS 3
186struct ibmvnic_rx_queue_stats {
187 u64 packets;
188 u64 bytes;
189 u64 interrupts;
190};
191
192struct ibmvnic_acl_buffer {
193 __be32 len;
194 __be32 version;
195#define INITIAL_VERSION_IOB 1
196 u8 mac_acls_restrict;
197 u8 vlan_acls_restrict;
198 u8 reserved1[22];
199 __be32 num_mac_addrs;
200 __be32 offset_mac_addrs;
201 __be32 num_vlan_ids;
202 __be32 offset_vlan_ids;
203 u8 reserved2[80];
204} __packed __aligned(8);
205
206/* descriptors have been changed, how should this be defined? 1? 4? */
207
208#define IBMVNIC_TX_DESC_VERSIONS 3
209
210/* is this still needed? */
211struct ibmvnic_tx_comp_desc {
212 u8 first;
213 u8 num_comps;
214 __be16 rcs[5];
215 __be32 correlators[5];
216} __packed __aligned(8);
217
218/* some flags that included in v0 descriptor, which is gone
219 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
220 * and only in some offload_flags variable that doesn't seem
221 * to be used anywhere, can probably be removed?
222 */
223
224#define IBMVNIC_TCP_CHKSUM 0x20
225#define IBMVNIC_UDP_CHKSUM 0x08
226
227#define IBMVNIC_MAX_FRAGS_PER_CRQ 3
228
229struct ibmvnic_tx_desc {
230 u8 first;
231 u8 type;
232
233#define IBMVNIC_TX_DESC 0x10
234 u8 n_crq_elem;
235 u8 n_sge;
236 u8 flags1;
237#define IBMVNIC_TX_COMP_NEEDED 0x80
238#define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40
239#define IBMVNIC_TX_LSO 0x20
240#define IBMVNIC_TX_PROT_TCP 0x10
241#define IBMVNIC_TX_PROT_UDP 0x08
242#define IBMVNIC_TX_PROT_IPV4 0x04
243#define IBMVNIC_TX_PROT_IPV6 0x02
244#define IBMVNIC_TX_VLAN_PRESENT 0x01
245 u8 flags2;
246#define IBMVNIC_TX_VLAN_INSERT 0x80
247 __be16 mss;
248 u8 reserved[4];
249 __be32 correlator;
250 __be16 vlan_id;
251 __be16 dma_reg;
252 __be32 sge_len;
253 __be64 ioba;
254} __packed __aligned(8);
255
256struct ibmvnic_hdr_desc {
257 u8 first;
258 u8 type;
259#define IBMVNIC_HDR_DESC 0x11
260 u8 len;
261 u8 l2_len;
262 __be16 l3_len;
263 u8 l4_len;
264 u8 flag;
265 u8 data[24];
266} __packed __aligned(8);
267
268struct ibmvnic_hdr_ext_desc {
269 u8 first;
270 u8 type;
271#define IBMVNIC_HDR_EXT_DESC 0x12
272 u8 len;
273 u8 data[29];
274} __packed __aligned(8);
275
276struct ibmvnic_sge_desc {
277 u8 first;
278 u8 type;
279#define IBMVNIC_SGE_DESC 0x30
280 __be16 sge1_dma_reg;
281 __be32 sge1_len;
282 __be64 sge1_ioba;
283 __be16 reserved;
284 __be16 sge2_dma_reg;
285 __be32 sge2_len;
286 __be64 sge2_ioba;
287} __packed __aligned(8);
288
289struct ibmvnic_rx_comp_desc {
290 u8 first;
291 u8 flags;
292#define IBMVNIC_IP_CHKSUM_GOOD 0x80
293#define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40
294#define IBMVNIC_END_FRAME 0x20
295#define IBMVNIC_EXACT_MC 0x10
296#define IBMVNIC_VLAN_STRIPPED 0x08
297 __be16 off_frame_data;
298 __be32 len;
299 __be64 correlator;
300 __be16 vlan_tci;
301 __be16 rc;
302 u8 reserved[12];
303} __packed __aligned(8);
304
305struct ibmvnic_generic_scrq {
306 u8 first;
307 u8 reserved[31];
308} __packed __aligned(8);
309
310struct ibmvnic_rx_buff_add_desc {
311 u8 first;
312 u8 reserved[7];
313 __be64 correlator;
314 __be32 ioba;
315 u8 map_id;
316 __be32 len:24;
317 u8 reserved2[8];
318} __packed __aligned(8);
319
320struct ibmvnic_rc {
321 u8 code; /* one of enum ibmvnic_rc_codes */
322 u8 detailed_data[3];
323} __packed __aligned(4);
324
325struct ibmvnic_generic_crq {
326 u8 first;
327 u8 cmd;
328 u8 params[10];
329 struct ibmvnic_rc rc;
330} __packed __aligned(8);
331
332struct ibmvnic_version_exchange {
333 u8 first;
334 u8 cmd;
335 __be16 version;
336#define IBMVNIC_INITIAL_VERSION 1
337 u8 reserved[8];
338 struct ibmvnic_rc rc;
339} __packed __aligned(8);
340
341struct ibmvnic_capability {
342 u8 first;
343 u8 cmd;
344 __be16 capability; /* one of ibmvnic_capabilities */
345 __be64 number;
346 struct ibmvnic_rc rc;
347} __packed __aligned(8);
348
349struct ibmvnic_login {
350 u8 first;
351 u8 cmd;
352 u8 reserved[6];
353 __be32 ioba;
354 __be32 len;
355} __packed __aligned(8);
356
357struct ibmvnic_phys_parms {
358 u8 first;
359 u8 cmd;
360 u8 flags1;
361#define IBMVNIC_EXTERNAL_LOOPBACK 0x80
362#define IBMVNIC_INTERNAL_LOOPBACK 0x40
363#define IBMVNIC_PROMISC 0x20
364#define IBMVNIC_PHYS_LINK_ACTIVE 0x10
365#define IBMVNIC_AUTONEG_DUPLEX 0x08
366#define IBMVNIC_FULL_DUPLEX 0x04
367#define IBMVNIC_HALF_DUPLEX 0x02
368#define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01
369 u8 flags2;
370#define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
371 __be32 speed;
372#define IBMVNIC_AUTONEG 0x80000000
373#define IBMVNIC_10MBPS 0x40000000
374#define IBMVNIC_100MBPS 0x20000000
375#define IBMVNIC_1GBPS 0x10000000
376#define IBMVNIC_10GBP 0x08000000
377#define IBMVNIC_40GBPS 0x04000000
378#define IBMVNIC_100GBPS 0x02000000
379#define IBMVNIC_25GBPS 0x01000000
380#define IBMVNIC_50GBPS 0x00800000
381#define IBMVNIC_200GBPS 0x00400000
382 __be32 mtu;
383 struct ibmvnic_rc rc;
384} __packed __aligned(8);
385
386struct ibmvnic_logical_link_state {
387 u8 first;
388 u8 cmd;
389 u8 link_state;
390#define IBMVNIC_LOGICAL_LNK_DN 0x00
391#define IBMVNIC_LOGICAL_LNK_UP 0x01
392#define IBMVNIC_LOGICAL_LNK_QUERY 0xff
393 u8 reserved[9];
394 struct ibmvnic_rc rc;
395} __packed __aligned(8);
396
397struct ibmvnic_query_ip_offload {
398 u8 first;
399 u8 cmd;
400 u8 reserved[2];
401 __be32 len;
402 __be32 ioba;
403 struct ibmvnic_rc rc;
404} __packed __aligned(8);
405
406struct ibmvnic_control_ip_offload {
407 u8 first;
408 u8 cmd;
409 u8 reserved[2];
410 __be32 ioba;
411 __be32 len;
412 struct ibmvnic_rc rc;
413} __packed __aligned(8);
414
415struct ibmvnic_request_dump_size {
416 u8 first;
417 u8 cmd;
418 u8 reserved[6];
419 __be32 len;
420 struct ibmvnic_rc rc;
421} __packed __aligned(8);
422
423struct ibmvnic_request_dump {
424 u8 first;
425 u8 cmd;
426 u8 reserved1[2];
427 __be32 ioba;
428 __be32 len;
429 u8 reserved2[4];
430} __packed __aligned(8);
431
432struct ibmvnic_request_dump_rsp {
433 u8 first;
434 u8 cmd;
435 u8 reserved[6];
436 __be32 dumped_len;
437 struct ibmvnic_rc rc;
438} __packed __aligned(8);
439
440struct ibmvnic_request_ras_comp_num {
441 u8 first;
442 u8 cmd;
443 u8 reserved1[2];
444 __be32 num_components;
445 u8 reserved2[4];
446 struct ibmvnic_rc rc;
447} __packed __aligned(8);
448
449struct ibmvnic_request_ras_comps {
450 u8 first;
451 u8 cmd;
452 u8 reserved[2];
453 __be32 ioba;
454 __be32 len;
455 struct ibmvnic_rc rc;
456} __packed __aligned(8);
457
458struct ibmvnic_control_ras {
459 u8 first;
460 u8 cmd;
461 u8 correlator;
462 u8 level;
463 u8 op;
464#define IBMVNIC_TRACE_LEVEL 1
465#define IBMVNIC_ERROR_LEVEL 2
466#define IBMVNIC_TRACE_PAUSE 3
467#define IBMVNIC_TRACE_RESUME 4
468#define IBMVNIC_TRACE_ON 5
469#define IBMVNIC_TRACE_OFF 6
470#define IBMVNIC_CHG_TRACE_BUFF_SZ 7
471 u8 trace_buff_sz[3];
472 u8 reserved[4];
473 struct ibmvnic_rc rc;
474} __packed __aligned(8);
475
476struct ibmvnic_collect_fw_trace {
477 u8 first;
478 u8 cmd;
479 u8 correlator;
480 u8 reserved;
481 __be32 ioba;
482 __be32 len;
483 struct ibmvnic_rc rc;
484} __packed __aligned(8);
485
486struct ibmvnic_request_statistics {
487 u8 first;
488 u8 cmd;
489 u8 flags;
490#define IBMVNIC_PHYSICAL_PORT 0x80
491 u8 reserved1;
492 __be32 ioba;
493 __be32 len;
494 u8 reserved[4];
495} __packed __aligned(8);
496
497struct ibmvnic_request_debug_stats {
498 u8 first;
499 u8 cmd;
500 u8 reserved[2];
501 __be32 ioba;
502 __be32 len;
503 struct ibmvnic_rc rc;
504} __packed __aligned(8);
505
506struct ibmvnic_error_indication {
507 u8 first;
508 u8 cmd;
509 u8 flags;
510#define IBMVNIC_FATAL_ERROR 0x80
511 u8 reserved1;
512 __be32 error_id;
513 __be32 detail_error_sz;
514 __be16 error_cause;
515 u8 reserved2[2];
516} __packed __aligned(8);
517
518struct ibmvnic_link_state_indication {
519 u8 first;
520 u8 cmd;
521 u8 reserved1[2];
522 u8 phys_link_state;
523 u8 logical_link_state;
524 u8 reserved2[10];
525} __packed __aligned(8);
526
527struct ibmvnic_change_mac_addr {
528 u8 first;
529 u8 cmd;
530 u8 mac_addr[6];
531 u8 reserved[4];
532 struct ibmvnic_rc rc;
533} __packed __aligned(8);
534
535struct ibmvnic_multicast_ctrl {
536 u8 first;
537 u8 cmd;
538 u8 mac_addr[6];
539 u8 flags;
540#define IBMVNIC_ENABLE_MC 0x80
541#define IBMVNIC_DISABLE_MC 0x40
542#define IBMVNIC_ENABLE_ALL 0x20
543#define IBMVNIC_DISABLE_ALL 0x10
544 u8 reserved1;
545 __be16 reserved2; /* was num_enabled_mc_addr; */
546 struct ibmvnic_rc rc;
547} __packed __aligned(8);
548
549struct ibmvnic_get_vpd_size {
550 u8 first;
551 u8 cmd;
552 u8 reserved[14];
553} __packed __aligned(8);
554
555struct ibmvnic_get_vpd_size_rsp {
556 u8 first;
557 u8 cmd;
558 u8 reserved[2];
559 __be64 len;
560 struct ibmvnic_rc rc;
561} __packed __aligned(8);
562
563struct ibmvnic_get_vpd {
564 u8 first;
565 u8 cmd;
566 u8 reserved1[2];
567 __be32 ioba;
568 __be32 len;
569 u8 reserved[4];
570} __packed __aligned(8);
571
572struct ibmvnic_get_vpd_rsp {
573 u8 first;
574 u8 cmd;
575 u8 reserved[10];
576 struct ibmvnic_rc rc;
577} __packed __aligned(8);
578
579struct ibmvnic_acl_change_indication {
580 u8 first;
581 u8 cmd;
582 __be16 change_type;
583#define IBMVNIC_MAC_ACL 0
584#define IBMVNIC_VLAN_ACL 1
585 u8 reserved[12];
586} __packed __aligned(8);
587
588struct ibmvnic_acl_query {
589 u8 first;
590 u8 cmd;
591 u8 reserved1[2];
592 __be32 ioba;
593 __be32 len;
594 u8 reserved2[4];
595} __packed __aligned(8);
596
597struct ibmvnic_tune {
598 u8 first;
599 u8 cmd;
600 u8 reserved1[2];
601 __be32 ioba;
602 __be32 len;
603 u8 reserved2[4];
604} __packed __aligned(8);
605
606struct ibmvnic_request_map {
607 u8 first;
608 u8 cmd;
609 u8 reserved1;
610 u8 map_id;
611 __be32 ioba;
612 __be32 len;
613 u8 reserved2[4];
614} __packed __aligned(8);
615
616struct ibmvnic_request_map_rsp {
617 u8 first;
618 u8 cmd;
619 u8 reserved1;
620 u8 map_id;
621 u8 reserved2[8];
622 struct ibmvnic_rc rc;
623} __packed __aligned(8);
624
625struct ibmvnic_request_unmap {
626 u8 first;
627 u8 cmd;
628 u8 reserved1;
629 u8 map_id;
630 u8 reserved2[12];
631} __packed __aligned(8);
632
633struct ibmvnic_request_unmap_rsp {
634 u8 first;
635 u8 cmd;
636 u8 reserved1;
637 u8 map_id;
638 u8 reserved2[8];
639 struct ibmvnic_rc rc;
640} __packed __aligned(8);
641
642struct ibmvnic_query_map {
643 u8 first;
644 u8 cmd;
645 u8 reserved[14];
646} __packed __aligned(8);
647
648struct ibmvnic_query_map_rsp {
649 u8 first;
650 u8 cmd;
651 u8 reserved;
652 u8 page_size;
653 __be32 tot_pages;
654 __be32 free_pages;
655 struct ibmvnic_rc rc;
656} __packed __aligned(8);
657
658union ibmvnic_crq {
659 struct ibmvnic_generic_crq generic;
660 struct ibmvnic_version_exchange version_exchange;
661 struct ibmvnic_version_exchange version_exchange_rsp;
662 struct ibmvnic_capability query_capability;
663 struct ibmvnic_capability query_capability_rsp;
664 struct ibmvnic_capability request_capability;
665 struct ibmvnic_capability request_capability_rsp;
666 struct ibmvnic_login login;
667 struct ibmvnic_generic_crq login_rsp;
668 struct ibmvnic_phys_parms query_phys_parms;
669 struct ibmvnic_phys_parms query_phys_parms_rsp;
670 struct ibmvnic_phys_parms query_phys_capabilities;
671 struct ibmvnic_phys_parms query_phys_capabilities_rsp;
672 struct ibmvnic_phys_parms set_phys_parms;
673 struct ibmvnic_phys_parms set_phys_parms_rsp;
674 struct ibmvnic_logical_link_state logical_link_state;
675 struct ibmvnic_logical_link_state logical_link_state_rsp;
676 struct ibmvnic_query_ip_offload query_ip_offload;
677 struct ibmvnic_query_ip_offload query_ip_offload_rsp;
678 struct ibmvnic_control_ip_offload control_ip_offload;
679 struct ibmvnic_control_ip_offload control_ip_offload_rsp;
680 struct ibmvnic_request_dump_size request_dump_size;
681 struct ibmvnic_request_dump_size request_dump_size_rsp;
682 struct ibmvnic_request_dump request_dump;
683 struct ibmvnic_request_dump_rsp request_dump_rsp;
684 struct ibmvnic_request_ras_comp_num request_ras_comp_num;
685 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
686 struct ibmvnic_request_ras_comps request_ras_comps;
687 struct ibmvnic_request_ras_comps request_ras_comps_rsp;
688 struct ibmvnic_control_ras control_ras;
689 struct ibmvnic_control_ras control_ras_rsp;
690 struct ibmvnic_collect_fw_trace collect_fw_trace;
691 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
692 struct ibmvnic_request_statistics request_statistics;
693 struct ibmvnic_generic_crq request_statistics_rsp;
694 struct ibmvnic_request_debug_stats request_debug_stats;
695 struct ibmvnic_request_debug_stats request_debug_stats_rsp;
696 struct ibmvnic_error_indication error_indication;
697 struct ibmvnic_link_state_indication link_state_indication;
698 struct ibmvnic_change_mac_addr change_mac_addr;
699 struct ibmvnic_change_mac_addr change_mac_addr_rsp;
700 struct ibmvnic_multicast_ctrl multicast_ctrl;
701 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
702 struct ibmvnic_get_vpd_size get_vpd_size;
703 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
704 struct ibmvnic_get_vpd get_vpd;
705 struct ibmvnic_get_vpd_rsp get_vpd_rsp;
706 struct ibmvnic_acl_change_indication acl_change_indication;
707 struct ibmvnic_acl_query acl_query;
708 struct ibmvnic_generic_crq acl_query_rsp;
709 struct ibmvnic_tune tune;
710 struct ibmvnic_generic_crq tune_rsp;
711 struct ibmvnic_request_map request_map;
712 struct ibmvnic_request_map_rsp request_map_rsp;
713 struct ibmvnic_request_unmap request_unmap;
714 struct ibmvnic_request_unmap_rsp request_unmap_rsp;
715 struct ibmvnic_query_map query_map;
716 struct ibmvnic_query_map_rsp query_map_rsp;
717};
718
719enum ibmvnic_rc_codes {
720 SUCCESS = 0,
721 PARTIALSUCCESS = 1,
722 PERMISSION = 2,
723 NOMEMORY = 3,
724 PARAMETER = 4,
725 UNKNOWNCOMMAND = 5,
726 ABORTED = 6,
727 INVALIDSTATE = 7,
728 INVALIDIOBA = 8,
729 INVALIDLENGTH = 9,
730 UNSUPPORTEDOPTION = 10,
731};
732
733enum ibmvnic_capabilities {
734 MIN_TX_QUEUES = 1,
735 MIN_RX_QUEUES = 2,
736 MIN_RX_ADD_QUEUES = 3,
737 MAX_TX_QUEUES = 4,
738 MAX_RX_QUEUES = 5,
739 MAX_RX_ADD_QUEUES = 6,
740 REQ_TX_QUEUES = 7,
741 REQ_RX_QUEUES = 8,
742 REQ_RX_ADD_QUEUES = 9,
743 MIN_TX_ENTRIES_PER_SUBCRQ = 10,
744 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
745 MAX_TX_ENTRIES_PER_SUBCRQ = 12,
746 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
747 REQ_TX_ENTRIES_PER_SUBCRQ = 14,
748 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
749 TCP_IP_OFFLOAD = 16,
750 PROMISC_REQUESTED = 17,
751 PROMISC_SUPPORTED = 18,
752 MIN_MTU = 19,
753 MAX_MTU = 20,
754 REQ_MTU = 21,
755 MAX_MULTICAST_FILTERS = 22,
756 VLAN_HEADER_INSERTION = 23,
757 RX_VLAN_HEADER_INSERTION = 24,
758 MAX_TX_SG_ENTRIES = 25,
759 RX_SG_SUPPORTED = 26,
760 RX_SG_REQUESTED = 27,
761 OPT_TX_COMP_SUB_QUEUES = 28,
762 OPT_RX_COMP_QUEUES = 29,
763 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
764 OPT_TX_ENTRIES_PER_SUBCRQ = 31,
765 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
766 TX_RX_DESC_REQ = 33,
767};
768
769enum ibmvnic_error_cause {
770 ADAPTER_PROBLEM = 0,
771 BUS_PROBLEM = 1,
772 FW_PROBLEM = 2,
773 DD_PROBLEM = 3,
774 EEH_RECOVERY = 4,
775 FW_UPDATED = 5,
776 LOW_MEMORY = 6,
777};
778
779enum ibmvnic_commands {
780 VERSION_EXCHANGE = 0x01,
781 VERSION_EXCHANGE_RSP = 0x81,
782 QUERY_CAPABILITY = 0x02,
783 QUERY_CAPABILITY_RSP = 0x82,
784 REQUEST_CAPABILITY = 0x03,
785 REQUEST_CAPABILITY_RSP = 0x83,
786 LOGIN = 0x04,
787 LOGIN_RSP = 0x84,
788 QUERY_PHYS_PARMS = 0x05,
789 QUERY_PHYS_PARMS_RSP = 0x85,
790 QUERY_PHYS_CAPABILITIES = 0x06,
791 QUERY_PHYS_CAPABILITIES_RSP = 0x86,
792 SET_PHYS_PARMS = 0x07,
793 SET_PHYS_PARMS_RSP = 0x87,
794 ERROR_INDICATION = 0x08,
795 LOGICAL_LINK_STATE = 0x0C,
796 LOGICAL_LINK_STATE_RSP = 0x8C,
797 REQUEST_STATISTICS = 0x0D,
798 REQUEST_STATISTICS_RSP = 0x8D,
799 COLLECT_FW_TRACE = 0x11,
800 COLLECT_FW_TRACE_RSP = 0x91,
801 LINK_STATE_INDICATION = 0x12,
802 CHANGE_MAC_ADDR = 0x13,
803 CHANGE_MAC_ADDR_RSP = 0x93,
804 MULTICAST_CTRL = 0x14,
805 MULTICAST_CTRL_RSP = 0x94,
806 GET_VPD_SIZE = 0x15,
807 GET_VPD_SIZE_RSP = 0x95,
808 GET_VPD = 0x16,
809 GET_VPD_RSP = 0x96,
810 TUNE = 0x17,
811 TUNE_RSP = 0x97,
812 QUERY_IP_OFFLOAD = 0x18,
813 QUERY_IP_OFFLOAD_RSP = 0x98,
814 CONTROL_IP_OFFLOAD = 0x19,
815 CONTROL_IP_OFFLOAD_RSP = 0x99,
816 ACL_CHANGE_INDICATION = 0x1A,
817 ACL_QUERY = 0x1B,
818 ACL_QUERY_RSP = 0x9B,
819 QUERY_MAP = 0x1D,
820 QUERY_MAP_RSP = 0x9D,
821 REQUEST_MAP = 0x1E,
822 REQUEST_MAP_RSP = 0x9E,
823 REQUEST_UNMAP = 0x1F,
824 REQUEST_UNMAP_RSP = 0x9F,
825 VLAN_CTRL = 0x20,
826 VLAN_CTRL_RSP = 0xA0,
827};
828
829enum ibmvnic_crq_type {
830 IBMVNIC_CRQ_CMD = 0x80,
831 IBMVNIC_CRQ_CMD_RSP = 0x80,
832 IBMVNIC_CRQ_INIT_CMD = 0xC0,
833 IBMVNIC_CRQ_INIT_RSP = 0xC0,
834 IBMVNIC_CRQ_XPORT_EVENT = 0xFF,
835};
836
837enum ibmvfc_crq_format {
838 IBMVNIC_CRQ_INIT = 0x01,
839 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
840 IBMVNIC_PARTITION_MIGRATED = 0x06,
841 IBMVNIC_DEVICE_FAILOVER = 0x08,
842};
843
844struct ibmvnic_crq_queue {
845 union ibmvnic_crq *msgs;
846 int size, cur;
847 dma_addr_t msg_token;
848 spinlock_t lock;
849 bool active;
850 char name[32];
851};
852
853union sub_crq {
854 struct ibmvnic_generic_scrq generic;
855 struct ibmvnic_tx_comp_desc tx_comp;
856 struct ibmvnic_tx_desc v1;
857 struct ibmvnic_hdr_desc hdr;
858 struct ibmvnic_hdr_ext_desc hdr_ext;
859 struct ibmvnic_sge_desc sge;
860 struct ibmvnic_rx_comp_desc rx_comp;
861 struct ibmvnic_rx_buff_add_desc rx_add;
862};
863
864struct ibmvnic_sub_crq_queue {
865 union sub_crq *msgs;
866 int size, cur;
867 dma_addr_t msg_token;
868 unsigned long crq_num;
869 unsigned long hw_irq;
870 unsigned int irq;
871 unsigned int pool_index;
872 int scrq_num;
873 spinlock_t lock;
874 struct sk_buff *rx_skb_top;
875 struct ibmvnic_adapter *adapter;
876 atomic_t used;
877 char name[32];
878};
879
880struct ibmvnic_long_term_buff {
881 unsigned char *buff;
882 dma_addr_t addr;
883 u64 size;
884 u8 map_id;
885};
886
887struct ibmvnic_tx_buff {
888 struct sk_buff *skb;
889 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
890 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
891 int index;
892 int pool_index;
893 bool last_frag;
894 union sub_crq indir_arr[6];
895 u8 hdr_data[140];
896 dma_addr_t indir_dma;
897 int num_entries;
898};
899
900struct ibmvnic_tx_pool {
901 struct ibmvnic_tx_buff *tx_buff;
902 int *free_map;
903 int consumer_index;
904 int producer_index;
905 struct ibmvnic_long_term_buff long_term_buff;
906 int num_buffers;
907 int buf_size;
908};
909
910struct ibmvnic_rx_buff {
911 struct sk_buff *skb;
912 dma_addr_t dma;
913 unsigned char *data;
914 int size;
915 int pool_index;
916};
917
918struct ibmvnic_rx_pool {
919 struct ibmvnic_rx_buff *rx_buff;
920 int size;
921 int index;
922 int buff_size;
923 atomic_t available;
924 int *free_map;
925 int next_free;
926 int next_alloc;
927 int active;
928 struct ibmvnic_long_term_buff long_term_buff;
929};
930
931struct ibmvnic_vpd {
932 unsigned char *buff;
933 dma_addr_t dma_addr;
934 u64 len;
935};
936
937enum vnic_state {VNIC_PROBING = 1,
938 VNIC_PROBED,
939 VNIC_OPENING,
940 VNIC_OPEN,
941 VNIC_CLOSING,
942 VNIC_CLOSED,
943 VNIC_REMOVING,
944 VNIC_REMOVED,
945 VNIC_RESETTING};
946
947enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
948 VNIC_RESET_MOBILITY,
949 VNIC_RESET_FATAL,
950 VNIC_RESET_NON_FATAL,
951 VNIC_RESET_TIMEOUT,
952 VNIC_RESET_CHANGE_PARAM};
953
954struct ibmvnic_rwi {
955 enum ibmvnic_reset_reason reset_reason;
956 struct list_head list;
957};
958
959struct ibmvnic_tunables {
960 u64 rx_queues;
961 u64 tx_queues;
962 u64 rx_entries;
963 u64 tx_entries;
964 u64 mtu;
965};
966
967struct ibmvnic_adapter {
968 struct vio_dev *vdev;
969 struct net_device *netdev;
970 struct ibmvnic_crq_queue crq;
971 u8 mac_addr[ETH_ALEN];
972 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
973 dma_addr_t ip_offload_tok;
974 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
975 dma_addr_t ip_offload_ctrl_tok;
976 u32 msg_enable;
977 u32 priv_flags;
978
979 /* Vital Product Data (VPD) */
980 struct ibmvnic_vpd *vpd;
981 char fw_version[32];
982
983 /* Statistics */
984 struct ibmvnic_statistics stats;
985 dma_addr_t stats_token;
986 struct completion stats_done;
987 spinlock_t stats_lock;
988 int replenish_no_mem;
989 int replenish_add_buff_success;
990 int replenish_add_buff_failure;
991 int replenish_task_cycles;
992 int tx_send_failed;
993 int tx_map_failed;
994
995 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
996 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
997
998 int phys_link_state;
999 int logical_link_state;
1000
1001 u32 speed;
1002 u8 duplex;
1003
1004 /* login data */
1005 struct ibmvnic_login_buffer *login_buf;
1006 dma_addr_t login_buf_token;
1007 int login_buf_sz;
1008
1009 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1010 dma_addr_t login_rsp_buf_token;
1011 int login_rsp_buf_sz;
1012
1013 atomic_t running_cap_crqs;
1014 bool wait_capability;
1015
1016 struct ibmvnic_sub_crq_queue **tx_scrq;
1017 struct ibmvnic_sub_crq_queue **rx_scrq;
1018
1019 /* rx structs */
1020 struct napi_struct *napi;
1021 struct ibmvnic_rx_pool *rx_pool;
1022 u64 promisc;
1023
1024 struct ibmvnic_tx_pool *tx_pool;
1025 struct ibmvnic_tx_pool *tso_pool;
1026 struct completion init_done;
1027 int init_done_rc;
1028
1029 struct completion fw_done;
1030 /* Used for serialization of device commands */
1031 struct mutex fw_lock;
1032 int fw_done_rc;
1033
1034 struct completion reset_done;
1035 int reset_done_rc;
1036 bool wait_for_reset;
1037
1038 /* partner capabilities */
1039 u64 min_tx_queues;
1040 u64 min_rx_queues;
1041 u64 min_rx_add_queues;
1042 u64 max_tx_queues;
1043 u64 max_rx_queues;
1044 u64 max_rx_add_queues;
1045 u64 req_tx_queues;
1046 u64 req_rx_queues;
1047 u64 req_rx_add_queues;
1048 u64 min_tx_entries_per_subcrq;
1049 u64 min_rx_add_entries_per_subcrq;
1050 u64 max_tx_entries_per_subcrq;
1051 u64 max_rx_add_entries_per_subcrq;
1052 u64 req_tx_entries_per_subcrq;
1053 u64 req_rx_add_entries_per_subcrq;
1054 u64 tcp_ip_offload;
1055 u64 promisc_requested;
1056 u64 promisc_supported;
1057 u64 min_mtu;
1058 u64 max_mtu;
1059 u64 req_mtu;
1060 u64 max_multicast_filters;
1061 u64 vlan_header_insertion;
1062 u64 rx_vlan_header_insertion;
1063 u64 max_tx_sg_entries;
1064 u64 rx_sg_supported;
1065 u64 rx_sg_requested;
1066 u64 opt_tx_comp_sub_queues;
1067 u64 opt_rx_comp_queues;
1068 u64 opt_rx_bufadd_q_per_rx_comp_q;
1069 u64 opt_tx_entries_per_subcrq;
1070 u64 opt_rxba_entries_per_subcrq;
1071 __be64 tx_rx_desc_req;
1072 u8 map_id;
1073 u32 num_active_rx_scrqs;
1074 u32 num_active_rx_pools;
1075 u32 num_active_rx_napi;
1076 u32 num_active_tx_scrqs;
1077 u32 num_active_tx_pools;
1078
1079 struct tasklet_struct tasklet;
1080 enum vnic_state state;
1081 enum ibmvnic_reset_reason reset_reason;
1082 spinlock_t rwi_lock;
1083 struct list_head rwi_list;
1084 struct work_struct ibmvnic_reset;
1085 struct delayed_work ibmvnic_delayed_reset;
1086 unsigned long resetting;
1087 bool napi_enabled, from_passive_init;
1088
1089 bool failover_pending;
1090 bool force_reset_recovery;
1091
1092 struct ibmvnic_tunables desired;
1093 struct ibmvnic_tunables fallback;
1094
1095 /* Used for serializatin of state field */
1096 spinlock_t state_lock;
1097};
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"
30#define IBMVNIC_DRIVER_VERSION "1.0"
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
42struct 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
54struct 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
67struct 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
102struct 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
120struct 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
132struct 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
141struct 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
169struct 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? */
188struct 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
206struct 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
233struct 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
245struct 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
253struct 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
266struct 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
282struct ibmvnic_generic_scrq {
283 u8 first;
284 u8 reserved[31];
285} __packed __aligned(8);
286
287struct 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
297struct ibmvnic_rc {
298 u8 code; /* one of enum ibmvnic_rc_codes */
299 u8 detailed_data[3];
300} __packed __aligned(4);
301
302struct ibmvnic_generic_crq {
303 u8 first;
304 u8 cmd;
305 u8 params[10];
306 struct ibmvnic_rc rc;
307} __packed __aligned(8);
308
309struct 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
318struct ibmvnic_capability {
319 u8 first;
320 u8 cmd;
321 __be16 capability; /* one of ibmvnic_capabilities */
322 __be64 number;
323 struct ibmvnic_rc rc;
324} __packed __aligned(8);
325
326struct ibmvnic_login {
327 u8 first;
328 u8 cmd;
329 u8 reserved[6];
330 __be32 ioba;
331 __be32 len;
332} __packed __aligned(8);
333
334struct 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
358struct 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
369struct 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
378struct 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
387struct 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
395struct 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
404struct 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
412struct 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
421struct 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
430struct 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
448struct 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
458struct 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
469struct 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
478struct 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
490struct 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
499struct 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
508struct 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
517struct ibmvnic_change_mac_addr {
518 u8 first;
519 u8 cmd;
520 u8 mac_addr[6];
521 struct ibmvnic_rc rc;
522 u8 reserved[4];
523} __packed __aligned(8);
524
525struct 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
539struct 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
547struct 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
556struct 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
565struct 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
574struct 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
583struct 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
593struct ibmvnic_request_map_rsp {
594 u8 first;
595 u8 cmd;
596 u8 reserved1;
597 u8 map_id;
598 u8 reserved2[4];
599 struct ibmvnic_rc rc;
600} __packed __aligned(8);
601
602struct 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
610struct 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
619struct ibmvnic_query_map {
620 u8 first;
621 u8 cmd;
622 u8 reserved[14];
623} __packed __aligned(8);
624
625struct 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
635union 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
698enum 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
712enum 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,
736 MAX_TX_SG_ENTRIES = 25,
737 RX_SG_SUPPORTED = 26,
738 RX_SG_REQUESTED = 27,
739 OPT_TX_COMP_SUB_QUEUES = 28,
740 OPT_RX_COMP_QUEUES = 29,
741 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
742 OPT_TX_ENTRIES_PER_SUBCRQ = 31,
743 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
744 TX_RX_DESC_REQ = 33,
745};
746
747enum ibmvnic_error_cause {
748 ADAPTER_PROBLEM = 0,
749 BUS_PROBLEM = 1,
750 FW_PROBLEM = 2,
751 DD_PROBLEM = 3,
752 EEH_RECOVERY = 4,
753 FW_UPDATED = 5,
754 LOW_MEMORY = 6,
755};
756
757enum ibmvnic_commands {
758 VERSION_EXCHANGE = 0x01,
759 VERSION_EXCHANGE_RSP = 0x81,
760 QUERY_CAPABILITY = 0x02,
761 QUERY_CAPABILITY_RSP = 0x82,
762 REQUEST_CAPABILITY = 0x03,
763 REQUEST_CAPABILITY_RSP = 0x83,
764 LOGIN = 0x04,
765 LOGIN_RSP = 0x84,
766 QUERY_PHYS_PARMS = 0x05,
767 QUERY_PHYS_PARMS_RSP = 0x85,
768 QUERY_PHYS_CAPABILITIES = 0x06,
769 QUERY_PHYS_CAPABILITIES_RSP = 0x86,
770 SET_PHYS_PARMS = 0x07,
771 SET_PHYS_PARMS_RSP = 0x87,
772 ERROR_INDICATION = 0x08,
773 REQUEST_ERROR_INFO = 0x09,
774 REQUEST_ERROR_RSP = 0x89,
775 REQUEST_DUMP_SIZE = 0x0A,
776 REQUEST_DUMP_SIZE_RSP = 0x8A,
777 REQUEST_DUMP = 0x0B,
778 REQUEST_DUMP_RSP = 0x8B,
779 LOGICAL_LINK_STATE = 0x0C,
780 LOGICAL_LINK_STATE_RSP = 0x8C,
781 REQUEST_STATISTICS = 0x0D,
782 REQUEST_STATISTICS_RSP = 0x8D,
783 REQUEST_RAS_COMP_NUM = 0x0E,
784 REQUEST_RAS_COMP_NUM_RSP = 0x8E,
785 REQUEST_RAS_COMPS = 0x0F,
786 REQUEST_RAS_COMPS_RSP = 0x8F,
787 CONTROL_RAS = 0x10,
788 CONTROL_RAS_RSP = 0x90,
789 COLLECT_FW_TRACE = 0x11,
790 COLLECT_FW_TRACE_RSP = 0x91,
791 LINK_STATE_INDICATION = 0x12,
792 CHANGE_MAC_ADDR = 0x13,
793 CHANGE_MAC_ADDR_RSP = 0x93,
794 MULTICAST_CTRL = 0x14,
795 MULTICAST_CTRL_RSP = 0x94,
796 GET_VPD_SIZE = 0x15,
797 GET_VPD_SIZE_RSP = 0x95,
798 GET_VPD = 0x16,
799 GET_VPD_RSP = 0x96,
800 TUNE = 0x17,
801 TUNE_RSP = 0x97,
802 QUERY_IP_OFFLOAD = 0x18,
803 QUERY_IP_OFFLOAD_RSP = 0x98,
804 CONTROL_IP_OFFLOAD = 0x19,
805 CONTROL_IP_OFFLOAD_RSP = 0x99,
806 ACL_CHANGE_INDICATION = 0x1A,
807 ACL_QUERY = 0x1B,
808 ACL_QUERY_RSP = 0x9B,
809 REQUEST_DEBUG_STATS = 0x1C,
810 REQUEST_DEBUG_STATS_RSP = 0x9C,
811 QUERY_MAP = 0x1D,
812 QUERY_MAP_RSP = 0x9D,
813 REQUEST_MAP = 0x1E,
814 REQUEST_MAP_RSP = 0x9E,
815 REQUEST_UNMAP = 0x1F,
816 REQUEST_UNMAP_RSP = 0x9F,
817 VLAN_CTRL = 0x20,
818 VLAN_CTRL_RSP = 0xA0,
819};
820
821enum ibmvnic_crq_type {
822 IBMVNIC_CRQ_CMD = 0x80,
823 IBMVNIC_CRQ_CMD_RSP = 0x80,
824 IBMVNIC_CRQ_INIT_CMD = 0xC0,
825 IBMVNIC_CRQ_INIT_RSP = 0xC0,
826 IBMVNIC_CRQ_XPORT_EVENT = 0xFF,
827};
828
829enum ibmvfc_crq_format {
830 IBMVNIC_CRQ_INIT = 0x01,
831 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
832 IBMVNIC_PARTITION_MIGRATED = 0x06,
833};
834
835struct ibmvnic_crq_queue {
836 union ibmvnic_crq *msgs;
837 int size, cur;
838 dma_addr_t msg_token;
839 spinlock_t lock;
840};
841
842union sub_crq {
843 struct ibmvnic_generic_scrq generic;
844 struct ibmvnic_tx_comp_desc tx_comp;
845 struct ibmvnic_tx_desc v1;
846 struct ibmvnic_hdr_desc hdr;
847 struct ibmvnic_hdr_ext_desc hdr_ext;
848 struct ibmvnic_sge_desc sge;
849 struct ibmvnic_rx_comp_desc rx_comp;
850 struct ibmvnic_rx_buff_add_desc rx_add;
851};
852
853struct ibmvnic_sub_crq_queue {
854 union sub_crq *msgs;
855 int size, cur;
856 dma_addr_t msg_token;
857 unsigned long crq_num;
858 unsigned long hw_irq;
859 unsigned int irq;
860 unsigned int pool_index;
861 int scrq_num;
862 spinlock_t lock;
863 struct sk_buff *rx_skb_top;
864 struct ibmvnic_adapter *adapter;
865};
866
867struct ibmvnic_long_term_buff {
868 unsigned char *buff;
869 dma_addr_t addr;
870 u64 size;
871 u8 map_id;
872};
873
874struct ibmvnic_tx_buff {
875 struct sk_buff *skb;
876 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
877 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
878 int index;
879 int pool_index;
880 bool last_frag;
881 bool used_bounce;
882};
883
884struct ibmvnic_tx_pool {
885 struct ibmvnic_tx_buff *tx_buff;
886 int *free_map;
887 int consumer_index;
888 int producer_index;
889 wait_queue_head_t ibmvnic_tx_comp_q;
890 struct task_struct *work_thread;
891 struct ibmvnic_long_term_buff long_term_buff;
892};
893
894struct ibmvnic_rx_buff {
895 struct sk_buff *skb;
896 dma_addr_t dma;
897 unsigned char *data;
898 int size;
899 int pool_index;
900};
901
902struct ibmvnic_rx_pool {
903 struct ibmvnic_rx_buff *rx_buff;
904 int size;
905 int index;
906 int buff_size;
907 atomic_t available;
908 int *free_map;
909 int next_free;
910 int next_alloc;
911 int active;
912 struct ibmvnic_long_term_buff long_term_buff;
913};
914
915struct ibmvnic_error_buff {
916 char *buff;
917 dma_addr_t dma;
918 int len;
919 struct list_head list;
920 __be32 error_id;
921};
922
923struct ibmvnic_fw_comp_internal {
924 struct ibmvnic_adapter *adapter;
925 int num;
926 struct debugfs_blob_wrapper desc_blob;
927 int paused;
928};
929
930struct ibmvnic_inflight_cmd {
931 union ibmvnic_crq crq;
932 struct list_head list;
933};
934
935struct ibmvnic_adapter {
936 struct vio_dev *vdev;
937 struct net_device *netdev;
938 struct ibmvnic_crq_queue crq;
939 u8 mac_addr[ETH_ALEN];
940 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
941 dma_addr_t ip_offload_tok;
942 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
943 dma_addr_t ip_offload_ctrl_tok;
944 bool migrated;
945 u32 msg_enable;
946 void *bounce_buffer;
947 int bounce_buffer_size;
948 dma_addr_t bounce_buffer_dma;
949
950 /* Statistics */
951 struct net_device_stats net_stats;
952 struct ibmvnic_statistics stats;
953 dma_addr_t stats_token;
954 struct completion stats_done;
955 spinlock_t stats_lock;
956 int replenish_no_mem;
957 int replenish_add_buff_success;
958 int replenish_add_buff_failure;
959 int replenish_task_cycles;
960 int tx_send_failed;
961 int tx_map_failed;
962
963 int phys_link_state;
964 int logical_link_state;
965
966 /* login data */
967 struct ibmvnic_login_buffer *login_buf;
968 dma_addr_t login_buf_token;
969 int login_buf_sz;
970
971 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
972 dma_addr_t login_rsp_buf_token;
973 int login_rsp_buf_sz;
974
975 atomic_t running_cap_queries;
976
977 struct ibmvnic_sub_crq_queue **tx_scrq;
978 struct ibmvnic_sub_crq_queue **rx_scrq;
979 int requested_caps;
980
981 /* rx structs */
982 struct napi_struct *napi;
983 struct ibmvnic_rx_pool *rx_pool;
984 u64 promisc;
985
986 struct ibmvnic_tx_pool *tx_pool;
987 bool closing;
988 struct completion init_done;
989
990 struct list_head errors;
991 spinlock_t error_list_lock;
992
993 /* debugfs */
994 struct dentry *debugfs_dir;
995 struct dentry *debugfs_dump;
996 struct completion fw_done;
997 char *dump_data;
998 dma_addr_t dump_data_token;
999 int dump_data_size;
1000 int ras_comp_num;
1001 struct ibmvnic_fw_component *ras_comps;
1002 struct ibmvnic_fw_comp_internal *ras_comp_int;
1003 dma_addr_t ras_comps_tok;
1004 struct dentry *ras_comps_ent;
1005
1006 /* in-flight commands that allocate and/or map memory*/
1007 struct list_head inflight;
1008 spinlock_t inflight_lock;
1009
1010 /* partner capabilities */
1011 u64 min_tx_queues;
1012 u64 min_rx_queues;
1013 u64 min_rx_add_queues;
1014 u64 max_tx_queues;
1015 u64 max_rx_queues;
1016 u64 max_rx_add_queues;
1017 u64 req_tx_queues;
1018 u64 req_rx_queues;
1019 u64 req_rx_add_queues;
1020 u64 min_tx_entries_per_subcrq;
1021 u64 min_rx_add_entries_per_subcrq;
1022 u64 max_tx_entries_per_subcrq;
1023 u64 max_rx_add_entries_per_subcrq;
1024 u64 req_tx_entries_per_subcrq;
1025 u64 req_rx_add_entries_per_subcrq;
1026 u64 tcp_ip_offload;
1027 u64 promisc_requested;
1028 u64 promisc_supported;
1029 u64 min_mtu;
1030 u64 max_mtu;
1031 u64 req_mtu;
1032 u64 max_multicast_filters;
1033 u64 vlan_header_insertion;
1034 u64 max_tx_sg_entries;
1035 u64 rx_sg_supported;
1036 u64 rx_sg_requested;
1037 u64 opt_tx_comp_sub_queues;
1038 u64 opt_rx_comp_queues;
1039 u64 opt_rx_bufadd_q_per_rx_comp_q;
1040 u64 opt_tx_entries_per_subcrq;
1041 u64 opt_rxba_entries_per_subcrq;
1042 __be64 tx_rx_desc_req;
1043 u8 map_id;
1044};