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
;