1 /**************************************************************************/
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) */
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. */
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. */
19 /* You should have received a copy of the GNU General Public License */
20 /* along with this program. */
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. */
27 /**************************************************************************/
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 /* basic structures plus 100 2k buffers */
34 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
36 /* Initial module_parameters */
37 #define IBMVNIC_RX_WEIGHT 16
38 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
39 #define IBMVNIC_BUFFS_PER_POOL 100
40 #define IBMVNIC_MAX_TX_QUEUES 5
42 struct ibmvnic_login_buffer {
45 #define INITIAL_VERSION_LB 1
46 __be32 num_txcomp_subcrqs;
47 __be32 off_txcomp_subcrqs;
48 __be32 num_rxcomp_subcrqs;
49 __be32 off_rxcomp_subcrqs;
50 __be32 login_rsp_ioba;
52 } __packed __aligned(8);
54 struct ibmvnic_login_rsp_buffer {
57 #define INITIAL_VERSION_LRB 1
58 __be32 num_txsubm_subcrqs;
59 __be32 off_txsubm_subcrqs;
60 __be32 num_rxadd_subcrqs;
61 __be32 off_rxadd_subcrqs;
62 __be32 off_rxadd_buff_size;
63 __be32 num_supp_tx_desc;
64 __be32 off_supp_tx_desc;
65 } __packed __aligned(8);
67 struct ibmvnic_query_ip_offload_buffer {
70 #define INITIAL_VERSION_IOB 1
82 __be16 max_ipv4_header_size;
83 __be16 max_ipv6_header_size;
84 __be16 max_tcp_header_size;
85 __be16 max_udp_header_size;
86 __be32 max_large_tx_size;
87 __be32 max_large_rx_size;
89 u8 ipv6_extension_header;
90 #define IPV6_EH_NOT_SUPPORTED 0x00
91 #define IPV6_EH_SUPPORTED_LIM 0x01
92 #define IPV6_EH_SUPPORTED 0xFF
94 #define TCP_PS_NOT_REQUIRED 0x00
95 #define TCP_PS_REQUIRED 0x01
97 __be16 num_ipv6_ext_headers;
98 __be32 off_ipv6_ext_headers;
100 } __packed __aligned(8);
102 struct ibmvnic_control_ip_offload_buffer {
105 #define INITIAL_VERSION_IOB 1
118 } __packed __aligned(8);
120 struct ibmvnic_fw_component {
122 __be32 trace_buff_size;
125 u8 parent_correlator;
126 u8 error_check_level;
130 } __packed __aligned(8);
132 struct ibmvnic_fw_trace_entry {
136 __be64 pmc_registers;
138 __be64 trace_data[5];
139 } __packed __aligned(8);
141 struct ibmvnic_statistics {
148 __be64 ucast_tx_packets;
149 __be64 ucast_rx_packets;
150 __be64 mcast_tx_packets;
151 __be64 mcast_rx_packets;
152 __be64 bcast_tx_packets;
153 __be64 bcast_rx_packets;
156 __be64 single_collision_frames;
157 __be64 multi_collision_frames;
158 __be64 sqe_test_errors;
160 __be64 late_collisions;
161 __be64 excess_collisions;
162 __be64 internal_mac_tx_errors;
163 __be64 carrier_sense;
164 __be64 too_long_frames;
165 __be64 internal_mac_rx_errors;
167 } __packed __aligned(8);
169 #define NUM_TX_STATS 3
170 struct ibmvnic_tx_queue_stats {
176 #define NUM_RX_STATS 3
177 struct ibmvnic_rx_queue_stats {
183 struct ibmvnic_acl_buffer {
186 #define INITIAL_VERSION_IOB 1
187 u8 mac_acls_restrict;
188 u8 vlan_acls_restrict;
190 __be32 num_mac_addrs;
191 __be32 offset_mac_addrs;
193 __be32 offset_vlan_ids;
195 } __packed __aligned(8);
197 /* descriptors have been changed, how should this be defined? 1? 4? */
199 #define IBMVNIC_TX_DESC_VERSIONS 3
201 /* is this still needed? */
202 struct ibmvnic_tx_comp_desc {
206 __be32 correlators[5];
207 } __packed __aligned(8);
209 /* some flags that included in v0 descriptor, which is gone
210 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
211 * and only in some offload_flags variable that doesn't seem
212 * to be used anywhere, can probably be removed?
215 #define IBMVNIC_TCP_CHKSUM 0x20
216 #define IBMVNIC_UDP_CHKSUM 0x08
218 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
220 struct ibmvnic_tx_desc {
224 #define IBMVNIC_TX_DESC 0x10
228 #define IBMVNIC_TX_COMP_NEEDED 0x80
229 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40
230 #define IBMVNIC_TX_LSO 0x20
231 #define IBMVNIC_TX_PROT_TCP 0x10
232 #define IBMVNIC_TX_PROT_UDP 0x08
233 #define IBMVNIC_TX_PROT_IPV4 0x04
234 #define IBMVNIC_TX_PROT_IPV6 0x02
235 #define IBMVNIC_TX_VLAN_PRESENT 0x01
237 #define IBMVNIC_TX_VLAN_INSERT 0x80
245 } __packed __aligned(8);
247 struct ibmvnic_hdr_desc {
250 #define IBMVNIC_HDR_DESC 0x11
257 } __packed __aligned(8);
259 struct ibmvnic_hdr_ext_desc {
262 #define IBMVNIC_HDR_EXT_DESC 0x12
265 } __packed __aligned(8);
267 struct ibmvnic_sge_desc {
270 #define IBMVNIC_SGE_DESC 0x30
278 } __packed __aligned(8);
280 struct ibmvnic_rx_comp_desc {
283 #define IBMVNIC_IP_CHKSUM_GOOD 0x80
284 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40
285 #define IBMVNIC_END_FRAME 0x20
286 #define IBMVNIC_EXACT_MC 0x10
287 #define IBMVNIC_VLAN_STRIPPED 0x08
288 __be16 off_frame_data;
294 } __packed __aligned(8);
296 struct ibmvnic_generic_scrq {
299 } __packed __aligned(8);
301 struct ibmvnic_rx_buff_add_desc {
309 } __packed __aligned(8);
312 u8 code; /* one of enum ibmvnic_rc_codes */
314 } __packed __aligned(4);
316 struct ibmvnic_generic_crq {
320 struct ibmvnic_rc rc;
321 } __packed __aligned(8);
323 struct ibmvnic_version_exchange {
327 #define IBMVNIC_INITIAL_VERSION 1
329 struct ibmvnic_rc rc;
330 } __packed __aligned(8);
332 struct ibmvnic_capability {
335 __be16 capability; /* one of ibmvnic_capabilities */
337 struct ibmvnic_rc rc;
338 } __packed __aligned(8);
340 struct ibmvnic_login {
346 } __packed __aligned(8);
348 struct ibmvnic_phys_parms {
352 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80
353 #define IBMVNIC_INTERNAL_LOOPBACK 0x40
354 #define IBMVNIC_PROMISC 0x20
355 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10
356 #define IBMVNIC_AUTONEG_DUPLEX 0x08
357 #define IBMVNIC_FULL_DUPLEX 0x04
358 #define IBMVNIC_HALF_DUPLEX 0x02
359 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01
361 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
363 #define IBMVNIC_AUTONEG 0x80
364 #define IBMVNIC_10MBPS 0x40
365 #define IBMVNIC_100MBPS 0x20
366 #define IBMVNIC_1GBPS 0x10
367 #define IBMVNIC_10GBPS 0x08
369 struct ibmvnic_rc rc;
370 } __packed __aligned(8);
372 struct ibmvnic_logical_link_state {
376 #define IBMVNIC_LOGICAL_LNK_DN 0x00
377 #define IBMVNIC_LOGICAL_LNK_UP 0x01
378 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
380 struct ibmvnic_rc rc;
381 } __packed __aligned(8);
383 struct ibmvnic_query_ip_offload {
389 struct ibmvnic_rc rc;
390 } __packed __aligned(8);
392 struct ibmvnic_control_ip_offload {
398 struct ibmvnic_rc rc;
399 } __packed __aligned(8);
401 struct ibmvnic_request_dump_size {
406 struct ibmvnic_rc rc;
407 } __packed __aligned(8);
409 struct ibmvnic_request_dump {
416 } __packed __aligned(8);
418 struct ibmvnic_request_dump_rsp {
423 struct ibmvnic_rc rc;
424 } __packed __aligned(8);
426 struct ibmvnic_request_ras_comp_num {
430 __be32 num_components;
432 struct ibmvnic_rc rc;
433 } __packed __aligned(8);
435 struct ibmvnic_request_ras_comps {
441 struct ibmvnic_rc rc;
442 } __packed __aligned(8);
444 struct ibmvnic_control_ras {
450 #define IBMVNIC_TRACE_LEVEL 1
451 #define IBMVNIC_ERROR_LEVEL 2
452 #define IBMVNIC_TRACE_PAUSE 3
453 #define IBMVNIC_TRACE_RESUME 4
454 #define IBMVNIC_TRACE_ON 5
455 #define IBMVNIC_TRACE_OFF 6
456 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7
459 struct ibmvnic_rc rc;
460 } __packed __aligned(8);
462 struct ibmvnic_collect_fw_trace {
469 struct ibmvnic_rc rc;
470 } __packed __aligned(8);
472 struct ibmvnic_request_statistics {
476 #define IBMVNIC_PHYSICAL_PORT 0x80
481 } __packed __aligned(8);
483 struct ibmvnic_request_debug_stats {
489 struct ibmvnic_rc rc;
490 } __packed __aligned(8);
492 struct ibmvnic_error_indication {
496 #define IBMVNIC_FATAL_ERROR 0x80
499 __be32 detail_error_sz;
502 } __packed __aligned(8);
504 struct ibmvnic_request_error_info {
511 } __packed __aligned(8);
513 struct ibmvnic_request_error_rsp {
519 struct ibmvnic_rc rc;
520 } __packed __aligned(8);
522 struct ibmvnic_link_state_indication {
527 u8 logical_link_state;
529 } __packed __aligned(8);
531 struct ibmvnic_change_mac_addr {
536 struct ibmvnic_rc rc;
537 } __packed __aligned(8);
539 struct ibmvnic_multicast_ctrl {
544 #define IBMVNIC_ENABLE_MC 0x80
545 #define IBMVNIC_DISABLE_MC 0x40
546 #define IBMVNIC_ENABLE_ALL 0x20
547 #define IBMVNIC_DISABLE_ALL 0x10
549 __be16 reserved2; /* was num_enabled_mc_addr; */
550 struct ibmvnic_rc rc;
551 } __packed __aligned(8);
553 struct ibmvnic_get_vpd_size_rsp {
558 struct ibmvnic_rc rc;
559 } __packed __aligned(8);
561 struct ibmvnic_get_vpd {
568 } __packed __aligned(8);
570 struct ibmvnic_acl_change_indication {
574 #define IBMVNIC_MAC_ACL 0
575 #define IBMVNIC_VLAN_ACL 1
577 } __packed __aligned(8);
579 struct ibmvnic_acl_query {
586 } __packed __aligned(8);
588 struct ibmvnic_tune {
595 } __packed __aligned(8);
597 struct ibmvnic_request_map {
605 } __packed __aligned(8);
607 struct ibmvnic_request_map_rsp {
613 struct ibmvnic_rc rc;
614 } __packed __aligned(8);
616 struct ibmvnic_request_unmap {
622 } __packed __aligned(8);
624 struct ibmvnic_request_unmap_rsp {
630 struct ibmvnic_rc rc;
631 } __packed __aligned(8);
633 struct ibmvnic_query_map {
637 } __packed __aligned(8);
639 struct ibmvnic_query_map_rsp {
646 struct ibmvnic_rc rc;
647 } __packed __aligned(8);
650 struct ibmvnic_generic_crq generic;
651 struct ibmvnic_version_exchange version_exchange;
652 struct ibmvnic_version_exchange version_exchange_rsp;
653 struct ibmvnic_capability query_capability;
654 struct ibmvnic_capability query_capability_rsp;
655 struct ibmvnic_capability request_capability;
656 struct ibmvnic_capability request_capability_rsp;
657 struct ibmvnic_login login;
658 struct ibmvnic_generic_crq login_rsp;
659 struct ibmvnic_phys_parms query_phys_parms;
660 struct ibmvnic_phys_parms query_phys_parms_rsp;
661 struct ibmvnic_phys_parms query_phys_capabilities;
662 struct ibmvnic_phys_parms query_phys_capabilities_rsp;
663 struct ibmvnic_phys_parms set_phys_parms;
664 struct ibmvnic_phys_parms set_phys_parms_rsp;
665 struct ibmvnic_logical_link_state logical_link_state;
666 struct ibmvnic_logical_link_state logical_link_state_rsp;
667 struct ibmvnic_query_ip_offload query_ip_offload;
668 struct ibmvnic_query_ip_offload query_ip_offload_rsp;
669 struct ibmvnic_control_ip_offload control_ip_offload;
670 struct ibmvnic_control_ip_offload control_ip_offload_rsp;
671 struct ibmvnic_request_dump_size request_dump_size;
672 struct ibmvnic_request_dump_size request_dump_size_rsp;
673 struct ibmvnic_request_dump request_dump;
674 struct ibmvnic_request_dump_rsp request_dump_rsp;
675 struct ibmvnic_request_ras_comp_num request_ras_comp_num;
676 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
677 struct ibmvnic_request_ras_comps request_ras_comps;
678 struct ibmvnic_request_ras_comps request_ras_comps_rsp;
679 struct ibmvnic_control_ras control_ras;
680 struct ibmvnic_control_ras control_ras_rsp;
681 struct ibmvnic_collect_fw_trace collect_fw_trace;
682 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
683 struct ibmvnic_request_statistics request_statistics;
684 struct ibmvnic_generic_crq request_statistics_rsp;
685 struct ibmvnic_request_debug_stats request_debug_stats;
686 struct ibmvnic_request_debug_stats request_debug_stats_rsp;
687 struct ibmvnic_error_indication error_indication;
688 struct ibmvnic_request_error_info request_error_info;
689 struct ibmvnic_request_error_rsp request_error_rsp;
690 struct ibmvnic_link_state_indication link_state_indication;
691 struct ibmvnic_change_mac_addr change_mac_addr;
692 struct ibmvnic_change_mac_addr change_mac_addr_rsp;
693 struct ibmvnic_multicast_ctrl multicast_ctrl;
694 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
695 struct ibmvnic_generic_crq get_vpd_size;
696 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
697 struct ibmvnic_get_vpd get_vpd;
698 struct ibmvnic_generic_crq get_vpd_rsp;
699 struct ibmvnic_acl_change_indication acl_change_indication;
700 struct ibmvnic_acl_query acl_query;
701 struct ibmvnic_generic_crq acl_query_rsp;
702 struct ibmvnic_tune tune;
703 struct ibmvnic_generic_crq tune_rsp;
704 struct ibmvnic_request_map request_map;
705 struct ibmvnic_request_map_rsp request_map_rsp;
706 struct ibmvnic_request_unmap request_unmap;
707 struct ibmvnic_request_unmap_rsp request_unmap_rsp;
708 struct ibmvnic_query_map query_map;
709 struct ibmvnic_query_map_rsp query_map_rsp;
712 enum ibmvnic_rc_codes {
723 UNSUPPORTEDOPTION = 10,
726 enum ibmvnic_capabilities {
729 MIN_RX_ADD_QUEUES = 3,
732 MAX_RX_ADD_QUEUES = 6,
735 REQ_RX_ADD_QUEUES = 9,
736 MIN_TX_ENTRIES_PER_SUBCRQ = 10,
737 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
738 MAX_TX_ENTRIES_PER_SUBCRQ = 12,
739 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
740 REQ_TX_ENTRIES_PER_SUBCRQ = 14,
741 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
743 PROMISC_REQUESTED = 17,
744 PROMISC_SUPPORTED = 18,
748 MAX_MULTICAST_FILTERS = 22,
749 VLAN_HEADER_INSERTION = 23,
750 RX_VLAN_HEADER_INSERTION = 24,
751 MAX_TX_SG_ENTRIES = 25,
752 RX_SG_SUPPORTED = 26,
753 RX_SG_REQUESTED = 27,
754 OPT_TX_COMP_SUB_QUEUES = 28,
755 OPT_RX_COMP_QUEUES = 29,
756 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
757 OPT_TX_ENTRIES_PER_SUBCRQ = 31,
758 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
762 enum ibmvnic_error_cause {
772 enum ibmvnic_commands {
773 VERSION_EXCHANGE = 0x01,
774 VERSION_EXCHANGE_RSP = 0x81,
775 QUERY_CAPABILITY = 0x02,
776 QUERY_CAPABILITY_RSP = 0x82,
777 REQUEST_CAPABILITY = 0x03,
778 REQUEST_CAPABILITY_RSP = 0x83,
781 QUERY_PHYS_PARMS = 0x05,
782 QUERY_PHYS_PARMS_RSP = 0x85,
783 QUERY_PHYS_CAPABILITIES = 0x06,
784 QUERY_PHYS_CAPABILITIES_RSP = 0x86,
785 SET_PHYS_PARMS = 0x07,
786 SET_PHYS_PARMS_RSP = 0x87,
787 ERROR_INDICATION = 0x08,
788 REQUEST_ERROR_INFO = 0x09,
789 REQUEST_ERROR_RSP = 0x89,
790 LOGICAL_LINK_STATE = 0x0C,
791 LOGICAL_LINK_STATE_RSP = 0x8C,
792 REQUEST_STATISTICS = 0x0D,
793 REQUEST_STATISTICS_RSP = 0x8D,
794 COLLECT_FW_TRACE = 0x11,
795 COLLECT_FW_TRACE_RSP = 0x91,
796 LINK_STATE_INDICATION = 0x12,
797 CHANGE_MAC_ADDR = 0x13,
798 CHANGE_MAC_ADDR_RSP = 0x93,
799 MULTICAST_CTRL = 0x14,
800 MULTICAST_CTRL_RSP = 0x94,
802 GET_VPD_SIZE_RSP = 0x95,
807 QUERY_IP_OFFLOAD = 0x18,
808 QUERY_IP_OFFLOAD_RSP = 0x98,
809 CONTROL_IP_OFFLOAD = 0x19,
810 CONTROL_IP_OFFLOAD_RSP = 0x99,
811 ACL_CHANGE_INDICATION = 0x1A,
813 ACL_QUERY_RSP = 0x9B,
815 QUERY_MAP_RSP = 0x9D,
817 REQUEST_MAP_RSP = 0x9E,
818 REQUEST_UNMAP = 0x1F,
819 REQUEST_UNMAP_RSP = 0x9F,
821 VLAN_CTRL_RSP = 0xA0,
824 enum ibmvnic_crq_type {
825 IBMVNIC_CRQ_CMD = 0x80,
826 IBMVNIC_CRQ_CMD_RSP = 0x80,
827 IBMVNIC_CRQ_INIT_CMD = 0xC0,
828 IBMVNIC_CRQ_INIT_RSP = 0xC0,
829 IBMVNIC_CRQ_XPORT_EVENT = 0xFF,
832 enum ibmvfc_crq_format {
833 IBMVNIC_CRQ_INIT = 0x01,
834 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
835 IBMVNIC_PARTITION_MIGRATED = 0x06,
836 IBMVNIC_DEVICE_FAILOVER = 0x08,
839 struct ibmvnic_crq_queue {
840 union ibmvnic_crq *msgs;
842 dma_addr_t msg_token;
847 struct ibmvnic_generic_scrq generic;
848 struct ibmvnic_tx_comp_desc tx_comp;
849 struct ibmvnic_tx_desc v1;
850 struct ibmvnic_hdr_desc hdr;
851 struct ibmvnic_hdr_ext_desc hdr_ext;
852 struct ibmvnic_sge_desc sge;
853 struct ibmvnic_rx_comp_desc rx_comp;
854 struct ibmvnic_rx_buff_add_desc rx_add;
857 struct ibmvnic_sub_crq_queue {
860 dma_addr_t msg_token;
861 unsigned long crq_num;
862 unsigned long hw_irq;
864 unsigned int pool_index;
867 struct sk_buff *rx_skb_top;
868 struct ibmvnic_adapter *adapter;
872 struct ibmvnic_long_term_buff {
879 struct ibmvnic_tx_buff {
881 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
882 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
886 union sub_crq indir_arr[6];
888 dma_addr_t indir_dma;
891 struct ibmvnic_tx_pool {
892 struct ibmvnic_tx_buff *tx_buff;
896 wait_queue_head_t ibmvnic_tx_comp_q;
897 struct task_struct *work_thread;
898 struct ibmvnic_long_term_buff long_term_buff;
901 struct ibmvnic_rx_buff {
909 struct ibmvnic_rx_pool {
910 struct ibmvnic_rx_buff *rx_buff;
919 struct ibmvnic_long_term_buff long_term_buff;
922 struct ibmvnic_error_buff {
926 struct list_head list;
930 enum vnic_state {VNIC_PROBING = 1,
939 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
942 VNIC_RESET_NON_FATAL,
946 enum ibmvnic_reset_reason reset_reason;
947 struct list_head list;
950 struct ibmvnic_adapter {
951 struct vio_dev *vdev;
952 struct net_device *netdev;
953 struct ibmvnic_crq_queue crq;
954 u8 mac_addr[ETH_ALEN];
955 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
956 dma_addr_t ip_offload_tok;
957 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
958 dma_addr_t ip_offload_ctrl_tok;
962 struct ibmvnic_statistics stats;
963 dma_addr_t stats_token;
964 struct completion stats_done;
965 spinlock_t stats_lock;
966 int replenish_no_mem;
967 int replenish_add_buff_success;
968 int replenish_add_buff_failure;
969 int replenish_task_cycles;
973 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
974 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
977 int logical_link_state;
980 struct ibmvnic_login_buffer *login_buf;
981 dma_addr_t login_buf_token;
984 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
985 dma_addr_t login_rsp_buf_token;
986 int login_rsp_buf_sz;
988 atomic_t running_cap_crqs;
989 bool wait_capability;
991 struct ibmvnic_sub_crq_queue **tx_scrq;
992 struct ibmvnic_sub_crq_queue **rx_scrq;
996 struct napi_struct *napi;
997 struct ibmvnic_rx_pool *rx_pool;
1000 struct ibmvnic_tx_pool *tx_pool;
1001 struct completion init_done;
1004 struct list_head errors;
1005 spinlock_t error_list_lock;
1007 struct completion fw_done;
1010 /* partner capabilities */
1013 u64 min_rx_add_queues;
1016 u64 max_rx_add_queues;
1019 u64 req_rx_add_queues;
1020 u64 min_tx_entries_per_subcrq;
1021 u64 min_rx_add_entries_per_subcrq;
1022 u64 max_tx_entries_per_subcrq;
1023 u64 max_rx_add_entries_per_subcrq;
1024 u64 req_tx_entries_per_subcrq;
1025 u64 req_rx_add_entries_per_subcrq;
1027 u64 promisc_requested;
1028 u64 promisc_supported;
1032 u64 max_multicast_filters;
1033 u64 vlan_header_insertion;
1034 u64 rx_vlan_header_insertion;
1035 u64 max_tx_sg_entries;
1036 u64 rx_sg_supported;
1037 u64 rx_sg_requested;
1038 u64 opt_tx_comp_sub_queues;
1039 u64 opt_rx_comp_queues;
1040 u64 opt_rx_bufadd_q_per_rx_comp_q;
1041 u64 opt_tx_entries_per_subcrq;
1042 u64 opt_rxba_entries_per_subcrq;
1043 __be64 tx_rx_desc_req;
1046 struct tasklet_struct tasklet;
1047 enum vnic_state state;
1048 enum ibmvnic_reset_reason reset_reason;
1049 struct mutex reset_lock, rwi_lock;
1050 struct list_head rwi_list;
1051 struct work_struct ibmvnic_reset;
1053 bool napi_enabled, from_passive_init;