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"
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 struct ibmvnic_acl_buffer {
172 #define INITIAL_VERSION_IOB 1
173 u8 mac_acls_restrict;
174 u8 vlan_acls_restrict;
176 __be32 num_mac_addrs;
177 __be32 offset_mac_addrs;
179 __be32 offset_vlan_ids;
181 } __packed __aligned(8);
183 /* descriptors have been changed, how should this be defined? 1? 4? */
185 #define IBMVNIC_TX_DESC_VERSIONS 3
187 /* is this still needed? */
188 struct ibmvnic_tx_comp_desc {
192 __be32 correlators[5];
193 } __packed __aligned(8);
195 /* some flags that included in v0 descriptor, which is gone
196 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
197 * and only in some offload_flags variable that doesn't seem
198 * to be used anywhere, can probably be removed?
201 #define IBMVNIC_TCP_CHKSUM 0x20
202 #define IBMVNIC_UDP_CHKSUM 0x08
204 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
206 struct ibmvnic_tx_desc {
210 #define IBMVNIC_TX_DESC 0x10
214 #define IBMVNIC_TX_COMP_NEEDED 0x80
215 #define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40
216 #define IBMVNIC_TX_LSO 0x20
217 #define IBMVNIC_TX_PROT_TCP 0x10
218 #define IBMVNIC_TX_PROT_UDP 0x08
219 #define IBMVNIC_TX_PROT_IPV4 0x04
220 #define IBMVNIC_TX_PROT_IPV6 0x02
221 #define IBMVNIC_TX_VLAN_PRESENT 0x01
223 #define IBMVNIC_TX_VLAN_INSERT 0x80
231 } __packed __aligned(8);
233 struct ibmvnic_hdr_desc {
236 #define IBMVNIC_HDR_DESC 0x11
243 } __packed __aligned(8);
245 struct ibmvnic_hdr_ext_desc {
248 #define IBMVNIC_HDR_EXT_DESC 0x12
251 } __packed __aligned(8);
253 struct ibmvnic_sge_desc {
256 #define IBMVNIC_SGE_DESC 0x30
264 } __packed __aligned(8);
266 struct ibmvnic_rx_comp_desc {
269 #define IBMVNIC_IP_CHKSUM_GOOD 0x80
270 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40
271 #define IBMVNIC_END_FRAME 0x20
272 #define IBMVNIC_EXACT_MC 0x10
273 #define IBMVNIC_VLAN_STRIPPED 0x08
274 __be16 off_frame_data;
280 } __packed __aligned(8);
282 struct ibmvnic_generic_scrq {
285 } __packed __aligned(8);
287 struct ibmvnic_rx_buff_add_desc {
295 } __packed __aligned(8);
298 u8 code; /* one of enum ibmvnic_rc_codes */
300 } __packed __aligned(4);
302 struct ibmvnic_generic_crq {
306 struct ibmvnic_rc rc;
307 } __packed __aligned(8);
309 struct ibmvnic_version_exchange {
313 #define IBMVNIC_INITIAL_VERSION 1
315 struct ibmvnic_rc rc;
316 } __packed __aligned(8);
318 struct ibmvnic_capability {
321 __be16 capability; /* one of ibmvnic_capabilities */
322 struct ibmvnic_rc rc;
323 __be32 number; /*FIX: should be __be64, but I'm getting the least
324 * significant word first
326 } __packed __aligned(8);
328 struct ibmvnic_login {
334 } __packed __aligned(8);
336 struct ibmvnic_phys_parms {
340 #define IBMVNIC_EXTERNAL_LOOPBACK 0x80
341 #define IBMVNIC_INTERNAL_LOOPBACK 0x40
342 #define IBMVNIC_PROMISC 0x20
343 #define IBMVNIC_PHYS_LINK_ACTIVE 0x10
344 #define IBMVNIC_AUTONEG_DUPLEX 0x08
345 #define IBMVNIC_FULL_DUPLEX 0x04
346 #define IBMVNIC_HALF_DUPLEX 0x02
347 #define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01
349 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
351 #define IBMVNIC_AUTONEG 0x80
352 #define IBMVNIC_10MBPS 0x40
353 #define IBMVNIC_100MBPS 0x20
354 #define IBMVNIC_1GBPS 0x10
355 #define IBMVNIC_10GBPS 0x08
357 struct ibmvnic_rc rc;
358 } __packed __aligned(8);
360 struct ibmvnic_logical_link_state {
364 #define IBMVNIC_LOGICAL_LNK_DN 0x00
365 #define IBMVNIC_LOGICAL_LNK_UP 0x01
366 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
368 struct ibmvnic_rc rc;
369 } __packed __aligned(8);
371 struct ibmvnic_query_ip_offload {
377 struct ibmvnic_rc rc;
378 } __packed __aligned(8);
380 struct ibmvnic_control_ip_offload {
386 struct ibmvnic_rc rc;
387 } __packed __aligned(8);
389 struct ibmvnic_request_dump_size {
394 struct ibmvnic_rc rc;
395 } __packed __aligned(8);
397 struct ibmvnic_request_dump {
404 } __packed __aligned(8);
406 struct ibmvnic_request_dump_rsp {
411 struct ibmvnic_rc rc;
412 } __packed __aligned(8);
414 struct ibmvnic_request_ras_comp_num {
418 __be32 num_components;
420 struct ibmvnic_rc rc;
421 } __packed __aligned(8);
423 struct ibmvnic_request_ras_comps {
429 struct ibmvnic_rc rc;
430 } __packed __aligned(8);
432 struct ibmvnic_control_ras {
438 #define IBMVNIC_TRACE_LEVEL 1
439 #define IBMVNIC_ERROR_LEVEL 2
440 #define IBMVNIC_TRACE_PAUSE 3
441 #define IBMVNIC_TRACE_RESUME 4
442 #define IBMVNIC_TRACE_ON 5
443 #define IBMVNIC_TRACE_OFF 6
444 #define IBMVNIC_CHG_TRACE_BUFF_SZ 7
447 struct ibmvnic_rc rc;
448 } __packed __aligned(8);
450 struct ibmvnic_collect_fw_trace {
457 struct ibmvnic_rc rc;
458 } __packed __aligned(8);
460 struct ibmvnic_request_statistics {
464 #define IBMVNIC_PHYSICAL_PORT 0x80
469 } __packed __aligned(8);
471 struct ibmvnic_request_debug_stats {
477 struct ibmvnic_rc rc;
478 } __packed __aligned(8);
480 struct ibmvnic_error_indication {
484 #define IBMVNIC_FATAL_ERROR 0x80
487 __be32 detail_error_sz;
490 } __packed __aligned(8);
492 struct ibmvnic_request_error_info {
499 } __packed __aligned(8);
501 struct ibmvnic_request_error_rsp {
507 struct ibmvnic_rc rc;
508 } __packed __aligned(8);
510 struct ibmvnic_link_state_indication {
515 u8 logical_link_state;
517 } __packed __aligned(8);
519 struct ibmvnic_change_mac_addr {
523 struct ibmvnic_rc rc;
525 } __packed __aligned(8);
527 struct ibmvnic_multicast_ctrl {
532 #define IBMVNIC_ENABLE_MC 0x80
533 #define IBMVNIC_DISABLE_MC 0x40
534 #define IBMVNIC_ENABLE_ALL 0x20
535 #define IBMVNIC_DISABLE_ALL 0x10
537 __be16 reserved2; /* was num_enabled_mc_addr; */
538 struct ibmvnic_rc rc;
539 } __packed __aligned(8);
541 struct ibmvnic_get_vpd_size_rsp {
546 struct ibmvnic_rc rc;
547 } __packed __aligned(8);
549 struct ibmvnic_get_vpd {
556 } __packed __aligned(8);
558 struct ibmvnic_acl_change_indication {
562 #define IBMVNIC_MAC_ACL 0
563 #define IBMVNIC_VLAN_ACL 1
565 } __packed __aligned(8);
567 struct ibmvnic_acl_query {
574 } __packed __aligned(8);
576 struct ibmvnic_tune {
583 } __packed __aligned(8);
585 struct ibmvnic_request_map {
593 } __packed __aligned(8);
595 struct ibmvnic_request_map_rsp {
601 struct ibmvnic_rc rc;
602 } __packed __aligned(8);
604 struct ibmvnic_request_unmap {
610 } __packed __aligned(8);
612 struct ibmvnic_request_unmap_rsp {
618 struct ibmvnic_rc rc;
619 } __packed __aligned(8);
621 struct ibmvnic_query_map {
625 } __packed __aligned(8);
627 struct ibmvnic_query_map_rsp {
634 struct ibmvnic_rc rc;
635 } __packed __aligned(8);
638 struct ibmvnic_generic_crq generic;
639 struct ibmvnic_version_exchange version_exchange;
640 struct ibmvnic_version_exchange version_exchange_rsp;
641 struct ibmvnic_capability query_capability;
642 struct ibmvnic_capability query_capability_rsp;
643 struct ibmvnic_capability request_capability;
644 struct ibmvnic_capability request_capability_rsp;
645 struct ibmvnic_login login;
646 struct ibmvnic_generic_crq login_rsp;
647 struct ibmvnic_phys_parms query_phys_parms;
648 struct ibmvnic_phys_parms query_phys_parms_rsp;
649 struct ibmvnic_phys_parms query_phys_capabilities;
650 struct ibmvnic_phys_parms query_phys_capabilities_rsp;
651 struct ibmvnic_phys_parms set_phys_parms;
652 struct ibmvnic_phys_parms set_phys_parms_rsp;
653 struct ibmvnic_logical_link_state logical_link_state;
654 struct ibmvnic_logical_link_state logical_link_state_rsp;
655 struct ibmvnic_query_ip_offload query_ip_offload;
656 struct ibmvnic_query_ip_offload query_ip_offload_rsp;
657 struct ibmvnic_control_ip_offload control_ip_offload;
658 struct ibmvnic_control_ip_offload control_ip_offload_rsp;
659 struct ibmvnic_request_dump_size request_dump_size;
660 struct ibmvnic_request_dump_size request_dump_size_rsp;
661 struct ibmvnic_request_dump request_dump;
662 struct ibmvnic_request_dump_rsp request_dump_rsp;
663 struct ibmvnic_request_ras_comp_num request_ras_comp_num;
664 struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
665 struct ibmvnic_request_ras_comps request_ras_comps;
666 struct ibmvnic_request_ras_comps request_ras_comps_rsp;
667 struct ibmvnic_control_ras control_ras;
668 struct ibmvnic_control_ras control_ras_rsp;
669 struct ibmvnic_collect_fw_trace collect_fw_trace;
670 struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
671 struct ibmvnic_request_statistics request_statistics;
672 struct ibmvnic_generic_crq request_statistics_rsp;
673 struct ibmvnic_request_debug_stats request_debug_stats;
674 struct ibmvnic_request_debug_stats request_debug_stats_rsp;
675 struct ibmvnic_error_indication error_indication;
676 struct ibmvnic_request_error_info request_error_info;
677 struct ibmvnic_request_error_rsp request_error_rsp;
678 struct ibmvnic_link_state_indication link_state_indication;
679 struct ibmvnic_change_mac_addr change_mac_addr;
680 struct ibmvnic_change_mac_addr change_mac_addr_rsp;
681 struct ibmvnic_multicast_ctrl multicast_ctrl;
682 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
683 struct ibmvnic_generic_crq get_vpd_size;
684 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
685 struct ibmvnic_get_vpd get_vpd;
686 struct ibmvnic_generic_crq get_vpd_rsp;
687 struct ibmvnic_acl_change_indication acl_change_indication;
688 struct ibmvnic_acl_query acl_query;
689 struct ibmvnic_generic_crq acl_query_rsp;
690 struct ibmvnic_tune tune;
691 struct ibmvnic_generic_crq tune_rsp;
692 struct ibmvnic_request_map request_map;
693 struct ibmvnic_request_map_rsp request_map_rsp;
694 struct ibmvnic_request_unmap request_unmap;
695 struct ibmvnic_request_unmap_rsp request_unmap_rsp;
696 struct ibmvnic_query_map query_map;
697 struct ibmvnic_query_map_rsp query_map_rsp;
700 enum ibmvnic_rc_codes {
711 UNSUPPORTEDOPTION = 10,
714 enum ibmvnic_capabilities {
717 MIN_RX_ADD_QUEUES = 3,
720 MAX_RX_ADD_QUEUES = 6,
723 REQ_RX_ADD_QUEUES = 9,
724 MIN_TX_ENTRIES_PER_SUBCRQ = 10,
725 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
726 MAX_TX_ENTRIES_PER_SUBCRQ = 12,
727 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
728 REQ_TX_ENTRIES_PER_SUBCRQ = 14,
729 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
731 PROMISC_REQUESTED = 17,
732 PROMISC_SUPPORTED = 18,
736 MAX_MULTICAST_FILTERS = 22,
737 VLAN_HEADER_INSERTION = 23,
738 MAX_TX_SG_ENTRIES = 25,
739 RX_SG_SUPPORTED = 26,
740 RX_SG_REQUESTED = 27,
741 OPT_TX_COMP_SUB_QUEUES = 28,
742 OPT_RX_COMP_QUEUES = 29,
743 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
744 OPT_TX_ENTRIES_PER_SUBCRQ = 31,
745 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
749 enum ibmvnic_error_cause {
759 enum ibmvnic_commands {
760 VERSION_EXCHANGE = 0x01,
761 VERSION_EXCHANGE_RSP = 0x81,
762 QUERY_CAPABILITY = 0x02,
763 QUERY_CAPABILITY_RSP = 0x82,
764 REQUEST_CAPABILITY = 0x03,
765 REQUEST_CAPABILITY_RSP = 0x83,
768 QUERY_PHYS_PARMS = 0x05,
769 QUERY_PHYS_PARMS_RSP = 0x85,
770 QUERY_PHYS_CAPABILITIES = 0x06,
771 QUERY_PHYS_CAPABILITIES_RSP = 0x86,
772 SET_PHYS_PARMS = 0x07,
773 SET_PHYS_PARMS_RSP = 0x87,
774 ERROR_INDICATION = 0x08,
775 REQUEST_ERROR_INFO = 0x09,
776 REQUEST_ERROR_RSP = 0x89,
777 REQUEST_DUMP_SIZE = 0x0A,
778 REQUEST_DUMP_SIZE_RSP = 0x8A,
780 REQUEST_DUMP_RSP = 0x8B,
781 LOGICAL_LINK_STATE = 0x0C,
782 LOGICAL_LINK_STATE_RSP = 0x8C,
783 REQUEST_STATISTICS = 0x0D,
784 REQUEST_STATISTICS_RSP = 0x8D,
785 REQUEST_RAS_COMP_NUM = 0x0E,
786 REQUEST_RAS_COMP_NUM_RSP = 0x8E,
787 REQUEST_RAS_COMPS = 0x0F,
788 REQUEST_RAS_COMPS_RSP = 0x8F,
790 CONTROL_RAS_RSP = 0x90,
791 COLLECT_FW_TRACE = 0x11,
792 COLLECT_FW_TRACE_RSP = 0x91,
793 LINK_STATE_INDICATION = 0x12,
794 CHANGE_MAC_ADDR = 0x13,
795 CHANGE_MAC_ADDR_RSP = 0x93,
796 MULTICAST_CTRL = 0x14,
797 MULTICAST_CTRL_RSP = 0x94,
799 GET_VPD_SIZE_RSP = 0x95,
804 QUERY_IP_OFFLOAD = 0x18,
805 QUERY_IP_OFFLOAD_RSP = 0x98,
806 CONTROL_IP_OFFLOAD = 0x19,
807 CONTROL_IP_OFFLOAD_RSP = 0x99,
808 ACL_CHANGE_INDICATION = 0x1A,
810 ACL_QUERY_RSP = 0x9B,
811 REQUEST_DEBUG_STATS = 0x1C,
812 REQUEST_DEBUG_STATS_RSP = 0x9C,
814 QUERY_MAP_RSP = 0x9D,
816 REQUEST_MAP_RSP = 0x9E,
817 REQUEST_UNMAP = 0x1F,
818 REQUEST_UNMAP_RSP = 0x9F,
820 VLAN_CTRL_RSP = 0xA0,
823 enum ibmvnic_crq_type {
824 IBMVNIC_CRQ_CMD = 0x80,
825 IBMVNIC_CRQ_CMD_RSP = 0x80,
826 IBMVNIC_CRQ_INIT_CMD = 0xC0,
827 IBMVNIC_CRQ_INIT_RSP = 0xC0,
828 IBMVNIC_CRQ_XPORT_EVENT = 0xFF,
831 enum ibmvfc_crq_format {
832 IBMVNIC_CRQ_INIT = 0x01,
833 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
834 IBMVNIC_PARTITION_MIGRATED = 0x06,
837 struct ibmvnic_crq_queue {
838 union ibmvnic_crq *msgs;
840 dma_addr_t msg_token;
845 struct ibmvnic_generic_scrq generic;
846 struct ibmvnic_tx_comp_desc tx_comp;
847 struct ibmvnic_tx_desc v1;
848 struct ibmvnic_hdr_desc hdr;
849 struct ibmvnic_hdr_ext_desc hdr_ext;
850 struct ibmvnic_sge_desc sge;
851 struct ibmvnic_rx_comp_desc rx_comp;
852 struct ibmvnic_rx_buff_add_desc rx_add;
855 struct ibmvnic_sub_crq_queue {
858 dma_addr_t msg_token;
859 unsigned long crq_num;
860 unsigned long hw_irq;
862 unsigned int pool_index;
865 struct sk_buff *rx_skb_top;
866 struct ibmvnic_adapter *adapter;
869 struct ibmvnic_long_term_buff {
876 struct ibmvnic_tx_buff {
878 dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
879 unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
886 struct ibmvnic_tx_pool {
887 struct ibmvnic_tx_buff *tx_buff;
891 wait_queue_head_t ibmvnic_tx_comp_q;
892 struct task_struct *work_thread;
893 struct ibmvnic_long_term_buff long_term_buff;
896 struct ibmvnic_rx_buff {
904 struct ibmvnic_rx_pool {
905 struct ibmvnic_rx_buff *rx_buff;
914 struct ibmvnic_long_term_buff long_term_buff;
917 struct ibmvnic_error_buff {
921 struct list_head list;
925 struct ibmvnic_fw_comp_internal {
926 struct ibmvnic_adapter *adapter;
928 struct debugfs_blob_wrapper desc_blob;
932 struct ibmvnic_inflight_cmd {
933 union ibmvnic_crq crq;
934 struct list_head list;
937 struct ibmvnic_adapter {
938 struct vio_dev *vdev;
939 struct net_device *netdev;
940 struct ibmvnic_crq_queue crq;
941 u8 mac_addr[ETH_ALEN];
942 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
943 dma_addr_t ip_offload_tok;
944 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
945 dma_addr_t ip_offload_ctrl_tok;
949 int bounce_buffer_size;
950 dma_addr_t bounce_buffer_dma;
953 struct net_device_stats net_stats;
954 struct ibmvnic_statistics stats;
955 dma_addr_t stats_token;
956 struct completion stats_done;
957 spinlock_t stats_lock;
958 int replenish_no_mem;
959 int replenish_add_buff_success;
960 int replenish_add_buff_failure;
961 int replenish_task_cycles;
966 int logical_link_state;
969 struct ibmvnic_login_buffer *login_buf;
970 dma_addr_t login_buf_token;
973 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
974 dma_addr_t login_rsp_buf_token;
975 int login_rsp_buf_sz;
977 atomic_t running_cap_queries;
979 struct ibmvnic_sub_crq_queue **tx_scrq;
980 struct ibmvnic_sub_crq_queue **rx_scrq;
984 struct napi_struct *napi;
985 struct ibmvnic_rx_pool *rx_pool;
988 struct ibmvnic_tx_pool *tx_pool;
990 struct completion init_done;
992 struct list_head errors;
993 spinlock_t error_list_lock;
996 struct dentry *debugfs_dir;
997 struct dentry *debugfs_dump;
998 struct completion fw_done;
1000 dma_addr_t dump_data_token;
1003 struct ibmvnic_fw_component *ras_comps;
1004 struct ibmvnic_fw_comp_internal *ras_comp_int;
1005 dma_addr_t ras_comps_tok;
1006 struct dentry *ras_comps_ent;
1008 /* in-flight commands that allocate and/or map memory*/
1009 struct list_head inflight;
1010 spinlock_t inflight_lock;
1012 /* partner capabilities */
1015 u64 min_rx_add_queues;
1018 u64 max_rx_add_queues;
1021 u64 req_rx_add_queues;
1022 u64 min_tx_entries_per_subcrq;
1023 u64 min_rx_add_entries_per_subcrq;
1024 u64 max_tx_entries_per_subcrq;
1025 u64 max_rx_add_entries_per_subcrq;
1026 u64 req_tx_entries_per_subcrq;
1027 u64 req_rx_add_entries_per_subcrq;
1029 u64 promisc_requested;
1030 u64 promisc_supported;
1034 u64 max_multicast_filters;
1035 u64 vlan_header_insertion;
1036 u64 max_tx_sg_entries;
1037 u64 rx_sg_supported;
1038 u64 rx_sg_requested;
1039 u64 opt_tx_comp_sub_queues;
1040 u64 opt_rx_comp_queues;
1041 u64 opt_rx_bufadd_q_per_rx_comp_q;
1042 u64 opt_tx_entries_per_subcrq;
1043 u64 opt_rxba_entries_per_subcrq;
1044 __be64 tx_rx_desc_req;