1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /**************************************************************************/
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) */
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. */
16 /**************************************************************************/
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
25 /* basic structures plus 100 2k buffers */
26 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
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
35 #define IBMVNIC_TSO_BUF_SZ 65536
36 #define IBMVNIC_TSO_BUFS 64
37 #define IBMVNIC_TSO_POOL_MASK 0x80000000
39 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
40 #define IBMVNIC_BUFFER_HLEN 500
42 #define IBMVNIC_RESET_DELAY 100
44 static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = {
45 #define IBMVNIC_USE_SERVER_MAXES 0x1
49 struct ibmvnic_login_buffer {
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;
59 __be32 client_data_offset;
60 __be32 client_data_len;
61 } __packed __aligned(8);
63 struct ibmvnic_login_rsp_buffer {
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);
76 struct ibmvnic_query_ip_offload_buffer {
79 #define INITIAL_VERSION_IOB 1
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;
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
106 __be16 num_ipv6_ext_headers;
107 __be32 off_ipv6_ext_headers;
109 } __packed __aligned(8);
111 struct ibmvnic_control_ip_offload_buffer {
114 #define INITIAL_VERSION_IOB 1
127 } __packed __aligned(8);
129 struct ibmvnic_fw_component {
131 __be32 trace_buff_size;
134 u8 parent_correlator;
135 u8 error_check_level;
139 } __packed __aligned(8);
141 struct ibmvnic_fw_trace_entry {
145 __be64 pmc_registers;
147 __be64 trace_data[5];
148 } __packed __aligned(8);
150 struct ibmvnic_statistics {
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;
165 __be64 single_collision_frames;
166 __be64 multi_collision_frames;
167 __be64 sqe_test_errors;
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;
176 } __packed __aligned(8);
178 #define NUM_TX_STATS 3
179 struct ibmvnic_tx_queue_stats {
185 #define NUM_RX_STATS 3
186 struct ibmvnic_rx_queue_stats {
192 struct ibmvnic_acl_buffer {
195 #define INITIAL_VERSION_IOB 1
196 u8 mac_acls_restrict;
197 u8 vlan_acls_restrict;
199 __be32 num_mac_addrs;
200 __be32 offset_mac_addrs;
202 __be32 offset_vlan_ids;
204 } __packed __aligned(8);
206 /* descriptors have been changed, how should this be defined? 1? 4? */
208 #define IBMVNIC_TX_DESC_VERSIONS 3
210 /* is this still needed? */
211 struct ibmvnic_tx_comp_desc {
215 __be32 correlators[5];
216 } __packed __aligned(8);
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?
224 #define IBMVNIC_TCP_CHKSUM 0x20
225 #define IBMVNIC_UDP_CHKSUM 0x08
227 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
229 struct ibmvnic_tx_desc {
233 #define IBMVNIC_TX_DESC 0x10
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
246 #define IBMVNIC_TX_VLAN_INSERT 0x80
254 } __packed __aligned(8);
256 struct ibmvnic_hdr_desc {
259 #define IBMVNIC_HDR_DESC 0x11
266 } __packed __aligned(8);
268 struct ibmvnic_hdr_ext_desc {
271 #define IBMVNIC_HDR_EXT_DESC 0x12
274 } __packed __aligned(8);
276 struct ibmvnic_sge_desc {
279 #define IBMVNIC_SGE_DESC 0x30
287 } __packed __aligned(8);
289 struct ibmvnic_rx_comp_desc {
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;
303 } __packed __aligned(8);
305 struct ibmvnic_generic_scrq {
308 } __packed __aligned(8);
310 struct ibmvnic_rx_buff_add_desc {
318 } __packed __aligned(8);
321 u8 code; /* one of enum ibmvnic_rc_codes */
323 } __packed __aligned(4);
325 struct ibmvnic_generic_crq {
329 struct ibmvnic_rc rc;
330 } __packed __aligned(8);
332 struct ibmvnic_version_exchange {
336 #define IBMVNIC_INITIAL_VERSION 1
338 struct ibmvnic_rc rc;
339 } __packed __aligned(8);
341 struct ibmvnic_capability {
344 __be16 capability; /* one of ibmvnic_capabilities */
346 struct ibmvnic_rc rc;
347 } __packed __aligned(8);
349 struct ibmvnic_login {
355 } __packed __aligned(8);
357 struct ibmvnic_phys_parms {
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
370 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
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
383 struct ibmvnic_rc rc;
384 } __packed __aligned(8);
386 struct ibmvnic_logical_link_state {
390 #define IBMVNIC_LOGICAL_LNK_DN 0x00
391 #define IBMVNIC_LOGICAL_LNK_UP 0x01
392 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
394 struct ibmvnic_rc rc;
395 } __packed __aligned(8);
397 struct ibmvnic_query_ip_offload {
403 struct ibmvnic_rc rc;
404 } __packed __aligned(8);
406 struct ibmvnic_control_ip_offload {
412 struct ibmvnic_rc rc;
413 } __packed __aligned(8);
415 struct ibmvnic_request_dump_size {
420 struct ibmvnic_rc rc;
421 } __packed __aligned(8);
423 struct ibmvnic_request_dump {
430 } __packed __aligned(8);
432 struct ibmvnic_request_dump_rsp {
437 struct ibmvnic_rc rc;
438 } __packed __aligned(8);
440 struct ibmvnic_request_ras_comp_num {
444 __be32 num_components;
446 struct ibmvnic_rc rc;
447 } __packed __aligned(8);
449 struct ibmvnic_request_ras_comps {
455 struct ibmvnic_rc rc;
456 } __packed __aligned(8);
458 struct ibmvnic_control_ras {
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
473 struct ibmvnic_rc rc;
474 } __packed __aligned(8);
476 struct ibmvnic_collect_fw_trace {
483 struct ibmvnic_rc rc;
484 } __packed __aligned(8);
486 struct ibmvnic_request_statistics {
490 #define IBMVNIC_PHYSICAL_PORT 0x80
495 } __packed __aligned(8);
497 struct ibmvnic_request_debug_stats {
503 struct ibmvnic_rc rc;
504 } __packed __aligned(8);
506 struct ibmvnic_error_indication {
510 #define IBMVNIC_FATAL_ERROR 0x80
513 __be32 detail_error_sz;
516 } __packed __aligned(8);
518 struct ibmvnic_link_state_indication {
523 u8 logical_link_state;
525 } __packed __aligned(8);
527 struct ibmvnic_change_mac_addr {
532 struct ibmvnic_rc rc;
533 } __packed __aligned(8);
535 struct ibmvnic_multicast_ctrl {
540 #define IBMVNIC_ENABLE_MC 0x80
541 #define IBMVNIC_DISABLE_MC 0x40
542 #define IBMVNIC_ENABLE_ALL 0x20
543 #define IBMVNIC_DISABLE_ALL 0x10
545 __be16 reserved2; /* was num_enabled_mc_addr; */
546 struct ibmvnic_rc rc;
547 } __packed __aligned(8);
549 struct ibmvnic_get_vpd_size {
553 } __packed __aligned(8);
555 struct ibmvnic_get_vpd_size_rsp {
560 struct ibmvnic_rc rc;
561 } __packed __aligned(8);
563 struct ibmvnic_get_vpd {
570 } __packed __aligned(8);
572 struct ibmvnic_get_vpd_rsp {
576 struct ibmvnic_rc rc;
577 } __packed __aligned(8);
579 struct ibmvnic_acl_change_indication {
583 #define IBMVNIC_MAC_ACL 0
584 #define IBMVNIC_VLAN_ACL 1
586 } __packed __aligned(8);
588 struct ibmvnic_acl_query {
595 } __packed __aligned(8);
597 struct ibmvnic_tune {
604 } __packed __aligned(8);
606 struct ibmvnic_request_map {
614 } __packed __aligned(8);
616 struct ibmvnic_request_map_rsp {
622 struct ibmvnic_rc rc;
623 } __packed __aligned(8);
625 struct ibmvnic_request_unmap {
631 } __packed __aligned(8);
633 struct ibmvnic_request_unmap_rsp {
639 struct ibmvnic_rc rc;
640 } __packed __aligned(8);
642 struct ibmvnic_query_map {
646 } __packed __aligned(8);
648 struct ibmvnic_query_map_rsp {
655 struct ibmvnic_rc rc;
656 } __packed __aligned(8);
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;
719 enum ibmvnic_rc_codes {
730 UNSUPPORTEDOPTION = 10,
733 enum ibmvnic_capabilities {
736 MIN_RX_ADD_QUEUES = 3,
739 MAX_RX_ADD_QUEUES = 6,
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,
750 PROMISC_REQUESTED = 17,
751 PROMISC_SUPPORTED = 18,
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,
769 enum ibmvnic_error_cause {
779 enum 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,
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,
807 GET_VPD_SIZE_RSP = 0x95,
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,
818 ACL_QUERY_RSP = 0x9B,
820 QUERY_MAP_RSP = 0x9D,
822 REQUEST_MAP_RSP = 0x9E,
823 REQUEST_UNMAP = 0x1F,
824 REQUEST_UNMAP_RSP = 0x9F,
826 VLAN_CTRL_RSP = 0xA0,
829 enum 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,
837 enum ibmvfc_crq_format {
838 IBMVNIC_CRQ_INIT = 0x01,
839 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
840 IBMVNIC_PARTITION_MIGRATED = 0x06,
841 IBMVNIC_DEVICE_FAILOVER = 0x08,
844 struct ibmvnic_crq_queue {
845 union ibmvnic_crq *msgs;
847 dma_addr_t msg_token;
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;
864 struct ibmvnic_sub_crq_queue {
867 dma_addr_t msg_token;
868 unsigned long crq_num;
869 unsigned long hw_irq;
871 unsigned int pool_index;
874 struct sk_buff *rx_skb_top;
875 struct ibmvnic_adapter *adapter;
880 struct ibmvnic_long_term_buff {
887 struct ibmvnic_tx_buff {
889 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
890 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
894 union sub_crq indir_arr[6];
896 dma_addr_t indir_dma;
900 struct ibmvnic_tx_pool {
901 struct ibmvnic_tx_buff *tx_buff;
905 struct ibmvnic_long_term_buff long_term_buff;
910 struct ibmvnic_rx_buff {
918 struct ibmvnic_rx_pool {
919 struct ibmvnic_rx_buff *rx_buff;
928 struct ibmvnic_long_term_buff long_term_buff;
937 enum vnic_state {VNIC_PROBING = 1,
947 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
950 VNIC_RESET_NON_FATAL,
952 VNIC_RESET_CHANGE_PARAM};
955 enum ibmvnic_reset_reason reset_reason;
956 struct list_head list;
959 struct ibmvnic_tunables {
967 struct 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;
979 /* Vital Product Data (VPD) */
980 struct ibmvnic_vpd *vpd;
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;
995 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
996 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
999 int logical_link_state;
1005 struct ibmvnic_login_buffer *login_buf;
1006 dma_addr_t login_buf_token;
1009 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1010 dma_addr_t login_rsp_buf_token;
1011 int login_rsp_buf_sz;
1013 atomic_t running_cap_crqs;
1014 bool wait_capability;
1016 struct ibmvnic_sub_crq_queue **tx_scrq;
1017 struct ibmvnic_sub_crq_queue **rx_scrq;
1020 struct napi_struct *napi;
1021 struct ibmvnic_rx_pool *rx_pool;
1024 struct ibmvnic_tx_pool *tx_pool;
1025 struct ibmvnic_tx_pool *tso_pool;
1026 struct completion init_done;
1029 struct completion fw_done;
1030 /* Used for serialization of device commands */
1031 struct mutex fw_lock;
1034 struct completion reset_done;
1036 bool wait_for_reset;
1038 /* partner capabilities */
1041 u64 min_rx_add_queues;
1044 u64 max_rx_add_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;
1055 u64 promisc_requested;
1056 u64 promisc_supported;
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;
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;
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;
1089 bool failover_pending;
1090 bool force_reset_recovery;
1092 struct ibmvnic_tunables desired;
1093 struct ibmvnic_tunables fallback;
1095 /* Used for serializatin of state field */
1096 spinlock_t state_lock;