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
24 /* basic structures plus 100 2k buffers */
25 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
27 /* Initial module_parameters */
28 #define IBMVNIC_RX_WEIGHT 16
29 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
30 #define IBMVNIC_BUFFS_PER_POOL 100
31 #define IBMVNIC_MAX_QUEUES 16
32 #define IBMVNIC_MAX_QUEUE_SZ 4096
34 #define IBMVNIC_TSO_BUF_SZ 65536
35 #define IBMVNIC_TSO_BUFS 64
36 #define IBMVNIC_TSO_POOL_MASK 0x80000000
38 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
39 #define IBMVNIC_BUFFER_HLEN 500
41 static const char ibmvnic_priv_flags[][ETH_GSTRING_LEN] = {
42 #define IBMVNIC_USE_SERVER_MAXES 0x1
46 struct ibmvnic_login_buffer {
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;
56 __be32 client_data_offset;
57 __be32 client_data_len;
58 } __packed __aligned(8);
60 struct ibmvnic_login_rsp_buffer {
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);
73 struct ibmvnic_query_ip_offload_buffer {
76 #define INITIAL_VERSION_IOB 1
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;
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
100 #define TCP_PS_NOT_REQUIRED 0x00
101 #define TCP_PS_REQUIRED 0x01
103 __be16 num_ipv6_ext_headers;
104 __be32 off_ipv6_ext_headers;
106 } __packed __aligned(8);
108 struct ibmvnic_control_ip_offload_buffer {
111 #define INITIAL_VERSION_IOB 1
124 } __packed __aligned(8);
126 struct ibmvnic_fw_component {
128 __be32 trace_buff_size;
131 u8 parent_correlator;
132 u8 error_check_level;
136 } __packed __aligned(8);
138 struct ibmvnic_fw_trace_entry {
142 __be64 pmc_registers;
144 __be64 trace_data[5];
145 } __packed __aligned(8);
147 struct ibmvnic_statistics {
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;
162 __be64 single_collision_frames;
163 __be64 multi_collision_frames;
164 __be64 sqe_test_errors;
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;
173 } __packed __aligned(8);
175 #define NUM_TX_STATS 3
176 struct ibmvnic_tx_queue_stats {
182 #define NUM_RX_STATS 3
183 struct ibmvnic_rx_queue_stats {
189 struct ibmvnic_acl_buffer {
192 #define INITIAL_VERSION_IOB 1
193 u8 mac_acls_restrict;
194 u8 vlan_acls_restrict;
196 __be32 num_mac_addrs;
197 __be32 offset_mac_addrs;
199 __be32 offset_vlan_ids;
201 } __packed __aligned(8);
203 /* descriptors have been changed, how should this be defined? 1? 4? */
205 #define IBMVNIC_TX_DESC_VERSIONS 3
207 /* is this still needed? */
208 struct ibmvnic_tx_comp_desc {
212 __be32 correlators[5];
213 } __packed __aligned(8);
215 /* some flags that included in v0 descriptor, which is gone
216 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
217 * and only in some offload_flags variable that doesn't seem
218 * to be used anywhere, can probably be removed?
221 #define IBMVNIC_TCP_CHKSUM 0x20
222 #define IBMVNIC_UDP_CHKSUM 0x08
224 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
226 struct ibmvnic_tx_desc {
230 #define IBMVNIC_TX_DESC 0x10
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
243 #define IBMVNIC_TX_VLAN_INSERT 0x80
251 } __packed __aligned(8);
253 struct ibmvnic_hdr_desc {
256 #define IBMVNIC_HDR_DESC 0x11
263 } __packed __aligned(8);
265 struct ibmvnic_hdr_ext_desc {
268 #define IBMVNIC_HDR_EXT_DESC 0x12
271 } __packed __aligned(8);
273 struct ibmvnic_sge_desc {
276 #define IBMVNIC_SGE_DESC 0x30
284 } __packed __aligned(8);
286 struct ibmvnic_rx_comp_desc {
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;
300 } __packed __aligned(8);
302 struct ibmvnic_generic_scrq {
305 } __packed __aligned(8);
307 struct ibmvnic_rx_buff_add_desc {
315 } __packed __aligned(8);
318 u8 code; /* one of enum ibmvnic_rc_codes */
320 } __packed __aligned(4);
322 struct ibmvnic_generic_crq {
326 struct ibmvnic_rc rc;
327 } __packed __aligned(8);
329 struct ibmvnic_version_exchange {
333 #define IBMVNIC_INITIAL_VERSION 1
335 struct ibmvnic_rc rc;
336 } __packed __aligned(8);
338 struct ibmvnic_capability {
341 __be16 capability; /* one of ibmvnic_capabilities */
343 struct ibmvnic_rc rc;
344 } __packed __aligned(8);
346 struct ibmvnic_login {
352 } __packed __aligned(8);
354 struct ibmvnic_phys_parms {
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
367 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
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
380 struct ibmvnic_rc rc;
381 } __packed __aligned(8);
383 struct ibmvnic_logical_link_state {
387 #define IBMVNIC_LOGICAL_LNK_DN 0x00
388 #define IBMVNIC_LOGICAL_LNK_UP 0x01
389 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
391 struct ibmvnic_rc rc;
392 } __packed __aligned(8);
394 struct ibmvnic_query_ip_offload {
400 struct ibmvnic_rc rc;
401 } __packed __aligned(8);
403 struct ibmvnic_control_ip_offload {
409 struct ibmvnic_rc rc;
410 } __packed __aligned(8);
412 struct ibmvnic_request_dump_size {
417 struct ibmvnic_rc rc;
418 } __packed __aligned(8);
420 struct ibmvnic_request_dump {
427 } __packed __aligned(8);
429 struct ibmvnic_request_dump_rsp {
434 struct ibmvnic_rc rc;
435 } __packed __aligned(8);
437 struct ibmvnic_request_ras_comp_num {
441 __be32 num_components;
443 struct ibmvnic_rc rc;
444 } __packed __aligned(8);
446 struct ibmvnic_request_ras_comps {
452 struct ibmvnic_rc rc;
453 } __packed __aligned(8);
455 struct ibmvnic_control_ras {
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
470 struct ibmvnic_rc rc;
471 } __packed __aligned(8);
473 struct ibmvnic_collect_fw_trace {
480 struct ibmvnic_rc rc;
481 } __packed __aligned(8);
483 struct ibmvnic_request_statistics {
487 #define IBMVNIC_PHYSICAL_PORT 0x80
492 } __packed __aligned(8);
494 struct ibmvnic_request_debug_stats {
500 struct ibmvnic_rc rc;
501 } __packed __aligned(8);
503 struct ibmvnic_error_indication {
507 #define IBMVNIC_FATAL_ERROR 0x80
510 __be32 detail_error_sz;
513 } __packed __aligned(8);
515 struct ibmvnic_link_state_indication {
520 u8 logical_link_state;
522 } __packed __aligned(8);
524 struct ibmvnic_change_mac_addr {
529 struct ibmvnic_rc rc;
530 } __packed __aligned(8);
532 struct ibmvnic_multicast_ctrl {
537 #define IBMVNIC_ENABLE_MC 0x80
538 #define IBMVNIC_DISABLE_MC 0x40
539 #define IBMVNIC_ENABLE_ALL 0x20
540 #define IBMVNIC_DISABLE_ALL 0x10
542 __be16 reserved2; /* was num_enabled_mc_addr; */
543 struct ibmvnic_rc rc;
544 } __packed __aligned(8);
546 struct ibmvnic_get_vpd_size {
550 } __packed __aligned(8);
552 struct ibmvnic_get_vpd_size_rsp {
557 struct ibmvnic_rc rc;
558 } __packed __aligned(8);
560 struct ibmvnic_get_vpd {
567 } __packed __aligned(8);
569 struct ibmvnic_get_vpd_rsp {
573 struct ibmvnic_rc rc;
574 } __packed __aligned(8);
576 struct ibmvnic_acl_change_indication {
580 #define IBMVNIC_MAC_ACL 0
581 #define IBMVNIC_VLAN_ACL 1
583 } __packed __aligned(8);
585 struct ibmvnic_acl_query {
592 } __packed __aligned(8);
594 struct ibmvnic_tune {
601 } __packed __aligned(8);
603 struct ibmvnic_request_map {
611 } __packed __aligned(8);
613 struct ibmvnic_request_map_rsp {
619 struct ibmvnic_rc rc;
620 } __packed __aligned(8);
622 struct ibmvnic_request_unmap {
628 } __packed __aligned(8);
630 struct ibmvnic_request_unmap_rsp {
636 struct ibmvnic_rc rc;
637 } __packed __aligned(8);
639 struct ibmvnic_query_map {
643 } __packed __aligned(8);
645 struct ibmvnic_query_map_rsp {
652 struct ibmvnic_rc rc;
653 } __packed __aligned(8);
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;
716 enum ibmvnic_rc_codes {
727 UNSUPPORTEDOPTION = 10,
730 enum ibmvnic_capabilities {
733 MIN_RX_ADD_QUEUES = 3,
736 MAX_RX_ADD_QUEUES = 6,
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,
747 PROMISC_REQUESTED = 17,
748 PROMISC_SUPPORTED = 18,
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,
766 enum ibmvnic_error_cause {
776 enum 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,
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,
804 GET_VPD_SIZE_RSP = 0x95,
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,
815 ACL_QUERY_RSP = 0x9B,
817 QUERY_MAP_RSP = 0x9D,
819 REQUEST_MAP_RSP = 0x9E,
820 REQUEST_UNMAP = 0x1F,
821 REQUEST_UNMAP_RSP = 0x9F,
823 VLAN_CTRL_RSP = 0xA0,
826 enum 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,
834 enum ibmvfc_crq_format {
835 IBMVNIC_CRQ_INIT = 0x01,
836 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
837 IBMVNIC_PARTITION_MIGRATED = 0x06,
838 IBMVNIC_DEVICE_FAILOVER = 0x08,
841 struct ibmvnic_crq_queue {
842 union ibmvnic_crq *msgs;
844 dma_addr_t msg_token;
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;
861 struct ibmvnic_sub_crq_queue {
864 dma_addr_t msg_token;
865 unsigned long crq_num;
866 unsigned long hw_irq;
868 unsigned int pool_index;
871 struct sk_buff *rx_skb_top;
872 struct ibmvnic_adapter *adapter;
877 struct ibmvnic_long_term_buff {
884 struct ibmvnic_tx_buff {
886 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
887 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
891 union sub_crq indir_arr[6];
893 dma_addr_t indir_dma;
897 struct ibmvnic_tx_pool {
898 struct ibmvnic_tx_buff *tx_buff;
902 struct ibmvnic_long_term_buff long_term_buff;
907 struct ibmvnic_rx_buff {
915 struct ibmvnic_rx_pool {
916 struct ibmvnic_rx_buff *rx_buff;
925 struct ibmvnic_long_term_buff long_term_buff;
934 enum vnic_state {VNIC_PROBING = 1,
943 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
946 VNIC_RESET_NON_FATAL,
948 VNIC_RESET_CHANGE_PARAM};
951 enum ibmvnic_reset_reason reset_reason;
952 struct list_head list;
955 struct ibmvnic_tunables {
963 struct 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;
975 /* Vital Product Data (VPD) */
976 struct ibmvnic_vpd *vpd;
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;
991 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
992 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
995 int logical_link_state;
1001 struct ibmvnic_login_buffer *login_buf;
1002 dma_addr_t login_buf_token;
1005 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
1006 dma_addr_t login_rsp_buf_token;
1007 int login_rsp_buf_sz;
1009 atomic_t running_cap_crqs;
1010 bool wait_capability;
1012 struct ibmvnic_sub_crq_queue **tx_scrq;
1013 struct ibmvnic_sub_crq_queue **rx_scrq;
1016 struct napi_struct *napi;
1017 struct ibmvnic_rx_pool *rx_pool;
1020 struct ibmvnic_tx_pool *tx_pool;
1021 struct ibmvnic_tx_pool *tso_pool;
1022 struct completion init_done;
1025 struct completion fw_done;
1028 struct completion reset_done;
1030 bool wait_for_reset;
1032 /* partner capabilities */
1035 u64 min_rx_add_queues;
1038 u64 max_rx_add_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;
1049 u64 promisc_requested;
1050 u64 promisc_supported;
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;
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;
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;
1080 bool napi_enabled, from_passive_init;
1082 bool failover_pending;
1083 bool force_reset_recovery;
1085 struct ibmvnic_tunables desired;
1086 struct ibmvnic_tunables fallback;