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