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review.trustedfirmware.org / hafnium / third_party / linux.git / 3a0ad55d848b50499b68d7141d4eca997fce28ef / . / drivers / net / ethernet / ibm / ibmvnic.h
blob: 735f481b1870ba2fcc601f6127cf66007c19b03a [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]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 "1.0.1"
31#define IBMVNIC_INVALID_MAP -1
32#define IBMVNIC_STATS_TIMEOUT 1
33#define IBMVNIC_INIT_FAILED 2
34
35/* basic structures plus 100 2k buffers */
36#define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
37
38/* Initial module_parameters */
39#define IBMVNIC_RX_WEIGHT 16
40/* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
41#define IBMVNIC_BUFFS_PER_POOL 100
42#define IBMVNIC_MAX_QUEUES 10
43
44#define IBMVNIC_TSO_BUF_SZ 65536
45#define IBMVNIC_TSO_BUFS 64
46#define IBMVNIC_TSO_POOL_MASK 0x80000000
47
48#define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
49#define IBMVNIC_BUFFER_HLEN 500
50
51struct ibmvnic_login_buffer {
52 __be32 len;
53 __be32 version;
54#define INITIAL_VERSION_LB 1
55 __be32 num_txcomp_subcrqs;
56 __be32 off_txcomp_subcrqs;
57 __be32 num_rxcomp_subcrqs;
58 __be32 off_rxcomp_subcrqs;
59 __be32 login_rsp_ioba;
60 __be32 login_rsp_len;
61 __be32 client_data_offset;
62 __be32 client_data_len;
63} __packed __aligned(8);
64
65struct ibmvnic_login_rsp_buffer {
66 __be32 len;
67 __be32 version;
68#define INITIAL_VERSION_LRB 1
69 __be32 num_txsubm_subcrqs;
70 __be32 off_txsubm_subcrqs;
71 __be32 num_rxadd_subcrqs;
72 __be32 off_rxadd_subcrqs;
73 __be32 off_rxadd_buff_size;
74 __be32 num_supp_tx_desc;
75 __be32 off_supp_tx_desc;
76} __packed __aligned(8);
77
78struct ibmvnic_query_ip_offload_buffer {
79 __be32 len;
80 __be32 version;
81#define INITIAL_VERSION_IOB 1
82 u8 ipv4_chksum;
83 u8 ipv6_chksum;
84 u8 tcp_ipv4_chksum;
85 u8 tcp_ipv6_chksum;
86 u8 udp_ipv4_chksum;
87 u8 udp_ipv6_chksum;
88 u8 large_tx_ipv4;
89 u8 large_tx_ipv6;
90 u8 large_rx_ipv4;
91 u8 large_rx_ipv6;
92 u8 reserved1[14];
93 __be16 max_ipv4_header_size;
94 __be16 max_ipv6_header_size;
95 __be16 max_tcp_header_size;
96 __be16 max_udp_header_size;
97 __be32 max_large_tx_size;
98 __be32 max_large_rx_size;
99 u8 reserved2[16];
100 u8 ipv6_extension_header;
101#define IPV6_EH_NOT_SUPPORTED 0x00
102#define IPV6_EH_SUPPORTED_LIM 0x01
103#define IPV6_EH_SUPPORTED 0xFF
104 u8 tcp_pseudosum_req;
105#define TCP_PS_NOT_REQUIRED 0x00
106#define TCP_PS_REQUIRED 0x01
107 u8 reserved3[30];
108 __be16 num_ipv6_ext_headers;
109 __be32 off_ipv6_ext_headers;
110 u8 reserved4[154];
111} __packed __aligned(8);
112
113struct ibmvnic_control_ip_offload_buffer {
114 __be32 len;
115 __be32 version;
116#define INITIAL_VERSION_IOB 1
117 u8 ipv4_chksum;
118 u8 ipv6_chksum;
119 u8 tcp_ipv4_chksum;
120 u8 tcp_ipv6_chksum;
121 u8 udp_ipv4_chksum;
122 u8 udp_ipv6_chksum;
123 u8 large_tx_ipv4;
124 u8 large_tx_ipv6;
125 u8 bad_packet_rx;
126 u8 large_rx_ipv4;
127 u8 large_rx_ipv6;
128 u8 reserved4[111];
129} __packed __aligned(8);
130
131struct ibmvnic_fw_component {
132 u8 name[48];
133 __be32 trace_buff_size;
134 u8 correlator;
135 u8 trace_level;
136 u8 parent_correlator;
137 u8 error_check_level;
138 u8 trace_on;
139 u8 reserved[7];
140 u8 description[192];
141} __packed __aligned(8);
142
143struct ibmvnic_fw_trace_entry {
144 __be32 trace_id;
145 u8 num_valid_data;
146 u8 reserved[3];
147 __be64 pmc_registers;
148 __be64 timebase;
149 __be64 trace_data[5];
150} __packed __aligned(8);
151
152struct ibmvnic_statistics {
153 __be32 version;
154 __be32 promiscuous;
155 __be64 rx_packets;
156 __be64 rx_bytes;
157 __be64 tx_packets;
158 __be64 tx_bytes;
159 __be64 ucast_tx_packets;
160 __be64 ucast_rx_packets;
161 __be64 mcast_tx_packets;
162 __be64 mcast_rx_packets;
163 __be64 bcast_tx_packets;
164 __be64 bcast_rx_packets;
165 __be64 align_errors;
166 __be64 fcs_errors;
167 __be64 single_collision_frames;
168 __be64 multi_collision_frames;
169 __be64 sqe_test_errors;
170 __be64 deferred_tx;
171 __be64 late_collisions;
172 __be64 excess_collisions;
173 __be64 internal_mac_tx_errors;
174 __be64 carrier_sense;
175 __be64 too_long_frames;
176 __be64 internal_mac_rx_errors;
177 u8 reserved[72];
178} __packed __aligned(8);
179
180#define NUM_TX_STATS 3
181struct ibmvnic_tx_queue_stats {
182 u64 packets;
183 u64 bytes;
184 u64 dropped_packets;
185};
186
187#define NUM_RX_STATS 3
188struct ibmvnic_rx_queue_stats {
189 u64 packets;
190 u64 bytes;
191 u64 interrupts;
192};
193
194struct ibmvnic_acl_buffer {
195 __be32 len;
196 __be32 version;
197#define INITIAL_VERSION_IOB 1
198 u8 mac_acls_restrict;
199 u8 vlan_acls_restrict;
200 u8 reserved1[22];
201 __be32 num_mac_addrs;
202 __be32 offset_mac_addrs;
203 __be32 num_vlan_ids;
204 __be32 offset_vlan_ids;
205 u8 reserved2[80];
206} __packed __aligned(8);
207
208/* descriptors have been changed, how should this be defined? 1? 4? */
209
210#define IBMVNIC_TX_DESC_VERSIONS 3
211
212/* is this still needed? */
213struct ibmvnic_tx_comp_desc {
214 u8 first;
215 u8 num_comps;
216 __be16 rcs[5];
217 __be32 correlators[5];
218} __packed __aligned(8);
219
220/* some flags that included in v0 descriptor, which is gone
221 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
222 * and only in some offload_flags variable that doesn't seem
223 * to be used anywhere, can probably be removed?
224 */
225
226#define IBMVNIC_TCP_CHKSUM 0x20
227#define IBMVNIC_UDP_CHKSUM 0x08
228
229#define IBMVNIC_MAX_FRAGS_PER_CRQ 3
230
231struct ibmvnic_tx_desc {
232 u8 first;
233 u8 type;
234
235#define IBMVNIC_TX_DESC 0x10
236 u8 n_crq_elem;
237 u8 n_sge;
238 u8 flags1;
239#define IBMVNIC_TX_COMP_NEEDED 0x80
240#define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40
241#define IBMVNIC_TX_LSO 0x20
242#define IBMVNIC_TX_PROT_TCP 0x10
243#define IBMVNIC_TX_PROT_UDP 0x08
244#define IBMVNIC_TX_PROT_IPV4 0x04
245#define IBMVNIC_TX_PROT_IPV6 0x02
246#define IBMVNIC_TX_VLAN_PRESENT 0x01
247 u8 flags2;
248#define IBMVNIC_TX_VLAN_INSERT 0x80
249 __be16 mss;
250 u8 reserved[4];
251 __be32 correlator;
252 __be16 vlan_id;
253 __be16 dma_reg;
254 __be32 sge_len;
255 __be64 ioba;
256} __packed __aligned(8);
257
258struct ibmvnic_hdr_desc {
259 u8 first;
260 u8 type;
261#define IBMVNIC_HDR_DESC 0x11
262 u8 len;
263 u8 l2_len;
264 __be16 l3_len;
265 u8 l4_len;
266 u8 flag;
267 u8 data[24];
268} __packed __aligned(8);
269
270struct ibmvnic_hdr_ext_desc {
271 u8 first;
272 u8 type;
273#define IBMVNIC_HDR_EXT_DESC 0x12
274 u8 len;
275 u8 data[29];
276} __packed __aligned(8);
277
278struct ibmvnic_sge_desc {
279 u8 first;
280 u8 type;
281#define IBMVNIC_SGE_DESC 0x30
282 __be16 sge1_dma_reg;
283 __be32 sge1_len;
284 __be64 sge1_ioba;
285 __be16 reserved;
286 __be16 sge2_dma_reg;
287 __be32 sge2_len;
288 __be64 sge2_ioba;
289} __packed __aligned(8);
290
291struct ibmvnic_rx_comp_desc {
292 u8 first;
293 u8 flags;
294#define IBMVNIC_IP_CHKSUM_GOOD 0x80
295#define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40
296#define IBMVNIC_END_FRAME 0x20
297#define IBMVNIC_EXACT_MC 0x10
298#define IBMVNIC_VLAN_STRIPPED 0x08
299 __be16 off_frame_data;
300 __be32 len;
301 __be64 correlator;
302 __be16 vlan_tci;
303 __be16 rc;
304 u8 reserved[12];
305} __packed __aligned(8);
306
307struct ibmvnic_generic_scrq {
308 u8 first;
309 u8 reserved[31];
310} __packed __aligned(8);
311
312struct ibmvnic_rx_buff_add_desc {
313 u8 first;
314 u8 reserved[7];
315 __be64 correlator;
316 __be32 ioba;
317 u8 map_id;
318 __be32 len:24;
319 u8 reserved2[8];
320} __packed __aligned(8);
321
322struct ibmvnic_rc {
323 u8 code; /* one of enum ibmvnic_rc_codes */
324 u8 detailed_data[3];
325} __packed __aligned(4);
326
327struct ibmvnic_generic_crq {
328 u8 first;
329 u8 cmd;
330 u8 params[10];
331 struct ibmvnic_rc rc;
332} __packed __aligned(8);
333
334struct ibmvnic_version_exchange {
335 u8 first;
336 u8 cmd;
337 __be16 version;
338#define IBMVNIC_INITIAL_VERSION 1
339 u8 reserved[8];
340 struct ibmvnic_rc rc;
341} __packed __aligned(8);
342
343struct ibmvnic_capability {
344 u8 first;
345 u8 cmd;
346 __be16 capability; /* one of ibmvnic_capabilities */
347 __be64 number;
348 struct ibmvnic_rc rc;
349} __packed __aligned(8);
350
351struct ibmvnic_login {
352 u8 first;
353 u8 cmd;
354 u8 reserved[6];
355 __be32 ioba;
356 __be32 len;
357} __packed __aligned(8);
358
359struct ibmvnic_phys_parms {
360 u8 first;
361 u8 cmd;
362 u8 flags1;
363#define IBMVNIC_EXTERNAL_LOOPBACK 0x80
364#define IBMVNIC_INTERNAL_LOOPBACK 0x40
365#define IBMVNIC_PROMISC 0x20
366#define IBMVNIC_PHYS_LINK_ACTIVE 0x10
367#define IBMVNIC_AUTONEG_DUPLEX 0x08
368#define IBMVNIC_FULL_DUPLEX 0x04
369#define IBMVNIC_HALF_DUPLEX 0x02
370#define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01
371 u8 flags2;
372#define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
373 __be32 speed;
374#define IBMVNIC_AUTONEG 0x80
375#define IBMVNIC_10MBPS 0x40
376#define IBMVNIC_100MBPS 0x20
377#define IBMVNIC_1GBPS 0x10
378#define IBMVNIC_10GBPS 0x08
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; /* was num_enabled_mc_addr; */
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};
848
849union sub_crq {
850 struct ibmvnic_generic_scrq generic;
851 struct ibmvnic_tx_comp_desc tx_comp;
852 struct ibmvnic_tx_desc v1;
853 struct ibmvnic_hdr_desc hdr;
854 struct ibmvnic_hdr_ext_desc hdr_ext;
855 struct ibmvnic_sge_desc sge;
856 struct ibmvnic_rx_comp_desc rx_comp;
857 struct ibmvnic_rx_buff_add_desc rx_add;
858};
859
860struct ibmvnic_sub_crq_queue {
861 union sub_crq *msgs;
862 int size, cur;
863 dma_addr_t msg_token;
864 unsigned long crq_num;
865 unsigned long hw_irq;
866 unsigned int irq;
867 unsigned int pool_index;
868 int scrq_num;
869 spinlock_t lock;
870 struct sk_buff *rx_skb_top;
871 struct ibmvnic_adapter *adapter;
872 atomic_t used;
873};
874
875struct ibmvnic_long_term_buff {
876 unsigned char *buff;
877 dma_addr_t addr;
878 u64 size;
879 u8 map_id;
880};
881
882struct ibmvnic_tx_buff {
883 struct sk_buff *skb;
884 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
885 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
886 int index;
887 int pool_index;
888 bool last_frag;
889 union sub_crq indir_arr[6];
890 u8 hdr_data[140];
891 dma_addr_t indir_dma;
892 int num_entries;
893};
894
895struct ibmvnic_tx_pool {
896 struct ibmvnic_tx_buff *tx_buff;
897 int *free_map;
898 int consumer_index;
899 int producer_index;
900 struct ibmvnic_long_term_buff long_term_buff;
901 int num_buffers;
902 int buf_size;
903};
904
905struct ibmvnic_rx_buff {
906 struct sk_buff *skb;
907 dma_addr_t dma;
908 unsigned char *data;
909 int size;
910 int pool_index;
911};
912
913struct ibmvnic_rx_pool {
914 struct ibmvnic_rx_buff *rx_buff;
915 int size;
916 int index;
917 int buff_size;
918 atomic_t available;
919 int *free_map;
920 int next_free;
921 int next_alloc;
922 int active;
923 struct ibmvnic_long_term_buff long_term_buff;
924};
925
926struct ibmvnic_vpd {
927 unsigned char *buff;
928 dma_addr_t dma_addr;
929 u64 len;
930};
931
932enum vnic_state {VNIC_PROBING = 1,
933 VNIC_PROBED,
934 VNIC_OPENING,
935 VNIC_OPEN,
936 VNIC_CLOSING,
937 VNIC_CLOSED,
938 VNIC_REMOVING,
939 VNIC_REMOVED};
940
941enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
942 VNIC_RESET_MOBILITY,
943 VNIC_RESET_FATAL,
944 VNIC_RESET_NON_FATAL,
945 VNIC_RESET_TIMEOUT,
946 VNIC_RESET_CHANGE_PARAM};
947
948struct ibmvnic_rwi {
949 enum ibmvnic_reset_reason reset_reason;
950 struct list_head list;
951};
952
953struct ibmvnic_tunables {
954 u64 rx_queues;
955 u64 tx_queues;
956 u64 rx_entries;
957 u64 tx_entries;
958 u64 mtu;
959 struct sockaddr mac;
960};
961
962struct ibmvnic_adapter {
963 struct vio_dev *vdev;
964 struct net_device *netdev;
965 struct ibmvnic_crq_queue crq;
966 u8 mac_addr[ETH_ALEN];
967 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
968 dma_addr_t ip_offload_tok;
969 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
970 dma_addr_t ip_offload_ctrl_tok;
971 u32 msg_enable;
972
973 /* Vital Product Data (VPD) */
974 struct ibmvnic_vpd *vpd;
975 char fw_version[32];
976
977 /* Statistics */
978 struct ibmvnic_statistics stats;
979 dma_addr_t stats_token;
980 struct completion stats_done;
981 spinlock_t stats_lock;
982 int replenish_no_mem;
983 int replenish_add_buff_success;
984 int replenish_add_buff_failure;
985 int replenish_task_cycles;
986 int tx_send_failed;
987 int tx_map_failed;
988
989 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
990 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
991
992 int phys_link_state;
993 int logical_link_state;
994
995 /* login data */
996 struct ibmvnic_login_buffer *login_buf;
997 dma_addr_t login_buf_token;
998 int login_buf_sz;
999
1000 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1001 dma_addr_t login_rsp_buf_token;
1002 int login_rsp_buf_sz;
1003
1004 atomic_t running_cap_crqs;
1005 bool wait_capability;
1006
1007 struct ibmvnic_sub_crq_queue **tx_scrq;
1008 struct ibmvnic_sub_crq_queue **rx_scrq;
1009
1010 /* rx structs */
1011 struct napi_struct *napi;
1012 struct ibmvnic_rx_pool *rx_pool;
1013 u64 promisc;
1014
1015 struct ibmvnic_tx_pool *tx_pool;
1016 struct ibmvnic_tx_pool *tso_pool;
1017 struct completion init_done;
1018 int init_done_rc;
1019
1020 struct completion fw_done;
1021 int fw_done_rc;
1022
1023 struct completion reset_done;
1024 int reset_done_rc;
1025 bool wait_for_reset;
1026
1027 /* partner capabilities */
1028 u64 min_tx_queues;
1029 u64 min_rx_queues;
1030 u64 min_rx_add_queues;
1031 u64 max_tx_queues;
1032 u64 max_rx_queues;
1033 u64 max_rx_add_queues;
1034 u64 req_tx_queues;
1035 u64 req_rx_queues;
1036 u64 req_rx_add_queues;
1037 u64 min_tx_entries_per_subcrq;
1038 u64 min_rx_add_entries_per_subcrq;
1039 u64 max_tx_entries_per_subcrq;
1040 u64 max_rx_add_entries_per_subcrq;
1041 u64 req_tx_entries_per_subcrq;
1042 u64 req_rx_add_entries_per_subcrq;
1043 u64 tcp_ip_offload;
1044 u64 promisc_requested;
1045 u64 promisc_supported;
1046 u64 min_mtu;
1047 u64 max_mtu;
1048 u64 req_mtu;
1049 u64 max_multicast_filters;
1050 u64 vlan_header_insertion;
1051 u64 rx_vlan_header_insertion;
1052 u64 max_tx_sg_entries;
1053 u64 rx_sg_supported;
1054 u64 rx_sg_requested;
1055 u64 opt_tx_comp_sub_queues;
1056 u64 opt_rx_comp_queues;
1057 u64 opt_rx_bufadd_q_per_rx_comp_q;
1058 u64 opt_tx_entries_per_subcrq;
1059 u64 opt_rxba_entries_per_subcrq;
1060 __be64 tx_rx_desc_req;
1061 u8 map_id;
1062 u32 num_active_rx_scrqs;
1063 u32 num_active_rx_pools;
1064 u32 num_active_rx_napi;
1065 u32 num_active_tx_scrqs;
1066 u32 num_active_tx_pools;
1067
1068 struct tasklet_struct tasklet;
1069 enum vnic_state state;
1070 enum ibmvnic_reset_reason reset_reason;
1071 struct mutex rwi_lock;
1072 struct list_head rwi_list;
1073 struct work_struct ibmvnic_reset;
1074 bool resetting;
1075 bool napi_enabled, from_passive_init;
1076
1077 bool mac_change_pending;
1078 bool failover_pending;
1079 bool force_reset_recovery;
1080
1081 struct ibmvnic_tunables desired;
1082 struct ibmvnic_tunables fallback;
1083};