/********************************************************************** * Author: Cavium, Inc. * * Contact: support@cavium.com * Please include "LiquidIO" in the subject. * * Copyright (c) 2003-2016 Cavium, Inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as * published by the Free Software Foundation. * * This file is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. See the GNU General Public License for more details. ***********************************************************************/ /*! \file liquidio_common.h * \brief Common: Structures and macros used in PCI-NIC package by core and * host driver. */ #ifndef __LIQUIDIO_COMMON_H__ #define __LIQUIDIO_COMMON_H__ #include "octeon_config.h" #define LIQUIDIO_PACKAGE "" #define LIQUIDIO_BASE_MAJOR_VERSION 1 #define LIQUIDIO_BASE_MINOR_VERSION 5 #define LIQUIDIO_BASE_MICRO_VERSION 1 #define LIQUIDIO_BASE_VERSION __stringify(LIQUIDIO_BASE_MAJOR_VERSION) "." \ __stringify(LIQUIDIO_BASE_MINOR_VERSION) #define LIQUIDIO_MICRO_VERSION "." __stringify(LIQUIDIO_BASE_MICRO_VERSION) #define LIQUIDIO_VERSION LIQUIDIO_PACKAGE \ __stringify(LIQUIDIO_BASE_MAJOR_VERSION) "." \ __stringify(LIQUIDIO_BASE_MINOR_VERSION) \ "." __stringify(LIQUIDIO_BASE_MICRO_VERSION) struct lio_version { u16 major; u16 minor; u16 micro; u16 reserved; }; #define CONTROL_IQ 0 /** Tag types used by Octeon cores in its work. */ enum octeon_tag_type { ORDERED_TAG = 0, ATOMIC_TAG = 1, NULL_TAG = 2, NULL_NULL_TAG = 3 }; /* pre-defined host->NIC tag values */ #define LIO_CONTROL (0x11111110) #define LIO_DATA(i) (0x11111111 + (i)) /* Opcodes used by host driver/apps to perform operations on the core. * These are used to identify the major subsystem that the operation * is for. */ #define OPCODE_CORE 0 /* used for generic core operations */ #define OPCODE_NIC 1 /* used for NIC operations */ /* Subcodes are used by host driver/apps to identify the sub-operation * for the core. They only need to by unique for a given subsystem. */ #define OPCODE_SUBCODE(op, sub) ((((op) & 0x0f) << 8) | ((sub) & 0x7f)) /** OPCODE_CORE subcodes. For future use. */ /** OPCODE_NIC subcodes */ /* This subcode is sent by core PCI driver to indicate cores are ready. */ #define OPCODE_NIC_CORE_DRV_ACTIVE 0x01 #define OPCODE_NIC_NW_DATA 0x02 /* network packet data */ #define OPCODE_NIC_CMD 0x03 #define OPCODE_NIC_INFO 0x04 #define OPCODE_NIC_PORT_STATS 0x05 #define OPCODE_NIC_MDIO45 0x06 #define OPCODE_NIC_TIMESTAMP 0x07 #define OPCODE_NIC_INTRMOD_CFG 0x08 #define OPCODE_NIC_IF_CFG 0x09 #define OPCODE_NIC_VF_DRV_NOTICE 0x0A #define OPCODE_NIC_INTRMOD_PARAMS 0x0B #define VF_DRV_LOADED 1 #define VF_DRV_REMOVED -1 #define VF_DRV_MACADDR_CHANGED 2 #define CORE_DRV_TEST_SCATTER_OP 0xFFF5 /* Application codes advertised by the core driver initialization packet. */ #define CVM_DRV_APP_START 0x0 #define CVM_DRV_NO_APP 0 #define CVM_DRV_APP_COUNT 0x2 #define CVM_DRV_BASE_APP (CVM_DRV_APP_START + 0x0) #define CVM_DRV_NIC_APP (CVM_DRV_APP_START + 0x1) #define CVM_DRV_INVALID_APP (CVM_DRV_APP_START + 0x2) #define CVM_DRV_APP_END (CVM_DRV_INVALID_APP - 1) #define BYTES_PER_DHLEN_UNIT 8 #define MAX_REG_CNT 2000000U #define INTRNAMSIZ 32 #define IRQ_NAME_OFF(i) ((i) * INTRNAMSIZ) #define MAX_IOQ_INTERRUPTS_PER_PF (64 * 2) #define MAX_IOQ_INTERRUPTS_PER_VF (8 * 2) static inline u32 incr_index(u32 index, u32 count, u32 max) { if ((index + count) >= max) index = index + count - max; else index += count; return index; } #define OCT_BOARD_NAME 32 #define OCT_SERIAL_LEN 64 /* Structure used by core driver to send indication that the Octeon * application is ready. */ struct octeon_core_setup { u64 corefreq; char boardname[OCT_BOARD_NAME]; char board_serial_number[OCT_SERIAL_LEN]; u64 board_rev_major; u64 board_rev_minor; }; /*--------------------------- SCATTER GATHER ENTRY -----------------------*/ /* The Scatter-Gather List Entry. The scatter or gather component used with * a Octeon input instruction has this format. */ struct octeon_sg_entry { /** The first 64 bit gives the size of data in each dptr.*/ union { u16 size[4]; u64 size64; } u; /** The 4 dptr pointers for this entry. */ u64 ptr[4]; }; #define OCT_SG_ENTRY_SIZE (sizeof(struct octeon_sg_entry)) /* \brief Add size to gather list * @param sg_entry scatter/gather entry * @param size size to add * @param pos position to add it. */ static inline void add_sg_size(struct octeon_sg_entry *sg_entry, u16 size, u32 pos) { #ifdef __BIG_ENDIAN_BITFIELD sg_entry->u.size[pos] = size; #else sg_entry->u.size[3 - pos] = size; #endif } /*------------------------- End Scatter/Gather ---------------------------*/ #define OCTNET_FRM_LENGTH_SIZE 8 #define OCTNET_FRM_PTP_HEADER_SIZE 8 #define OCTNET_FRM_HEADER_SIZE 22 /* VLAN + Ethernet */ #define OCTNET_MIN_FRM_SIZE 64 #define OCTNET_MAX_FRM_SIZE (16000 + OCTNET_FRM_HEADER_SIZE) #define OCTNET_DEFAULT_FRM_SIZE (1500 + OCTNET_FRM_HEADER_SIZE) /** NIC Commands are sent using this Octeon Input Queue */ #define OCTNET_CMD_Q 0 /* NIC Command types */ #define OCTNET_CMD_RESET_PF 0x0 #define OCTNET_CMD_CHANGE_MTU 0x1 #define OCTNET_CMD_CHANGE_MACADDR 0x2 #define OCTNET_CMD_CHANGE_DEVFLAGS 0x3 #define OCTNET_CMD_RX_CTL 0x4 #define OCTNET_CMD_SET_MULTI_LIST 0x5 #define OCTNET_CMD_CLEAR_STATS 0x6 /* command for setting the speed, duplex & autoneg */ #define OCTNET_CMD_SET_SETTINGS 0x7 #define OCTNET_CMD_SET_FLOW_CTL 0x8 #define OCTNET_CMD_MDIO_READ_WRITE 0x9 #define OCTNET_CMD_GPIO_ACCESS 0xA #define OCTNET_CMD_LRO_ENABLE 0xB #define OCTNET_CMD_LRO_DISABLE 0xC #define OCTNET_CMD_SET_RSS 0xD #define OCTNET_CMD_WRITE_SA 0xE #define OCTNET_CMD_DELETE_SA 0xF #define OCTNET_CMD_UPDATE_SA 0x12 #define OCTNET_CMD_TNL_RX_CSUM_CTL 0x10 #define OCTNET_CMD_TNL_TX_CSUM_CTL 0x11 #define OCTNET_CMD_IPSECV2_AH_ESP_CTL 0x13 #define OCTNET_CMD_VERBOSE_ENABLE 0x14 #define OCTNET_CMD_VERBOSE_DISABLE 0x15 #define OCTNET_CMD_VLAN_FILTER_CTL 0x16 #define OCTNET_CMD_ADD_VLAN_FILTER 0x17 #define OCTNET_CMD_DEL_VLAN_FILTER 0x18 #define OCTNET_CMD_VXLAN_PORT_CONFIG 0x19 #define OCTNET_CMD_ID_ACTIVE 0x1a #define OCTNET_CMD_SET_UC_LIST 0x1b #define OCTNET_CMD_SET_VF_LINKSTATE 0x1c #define OCTNET_CMD_VXLAN_PORT_ADD 0x0 #define OCTNET_CMD_VXLAN_PORT_DEL 0x1 #define OCTNET_CMD_RXCSUM_ENABLE 0x0 #define OCTNET_CMD_RXCSUM_DISABLE 0x1 #define OCTNET_CMD_TXCSUM_ENABLE 0x0 #define OCTNET_CMD_TXCSUM_DISABLE 0x1 #define OCTNET_CMD_VLAN_FILTER_ENABLE 0x1 #define OCTNET_CMD_VLAN_FILTER_DISABLE 0x0 /* RX(packets coming from wire) Checksum verification flags */ /* TCP/UDP csum */ #define CNNIC_L4SUM_VERIFIED 0x1 #define CNNIC_IPSUM_VERIFIED 0x2 #define CNNIC_TUN_CSUM_VERIFIED 0x4 #define CNNIC_CSUM_VERIFIED (CNNIC_IPSUM_VERIFIED | CNNIC_L4SUM_VERIFIED) /*LROIPV4 and LROIPV6 Flags*/ #define OCTNIC_LROIPV4 0x1 #define OCTNIC_LROIPV6 0x2 /* Interface flags communicated between host driver and core app. */ enum octnet_ifflags { OCTNET_IFFLAG_PROMISC = 0x01, OCTNET_IFFLAG_ALLMULTI = 0x02, OCTNET_IFFLAG_MULTICAST = 0x04, OCTNET_IFFLAG_BROADCAST = 0x08, OCTNET_IFFLAG_UNICAST = 0x10 }; /* wqe * --------------- 0 * | wqe word0-3 | * --------------- 32 * | PCI IH | * --------------- 40 * | RPTR | * --------------- 48 * | PCI IRH | * --------------- 56 * | OCT_NET_CMD | * --------------- 64 * | Addtl 8-BData | * | | * --------------- */ union octnet_cmd { u64 u64; struct { #ifdef __BIG_ENDIAN_BITFIELD u64 cmd:5; u64 more:6; /* How many udd words follow the command */ u64 reserved:29; u64 param1:16; u64 param2:8; #else u64 param2:8; u64 param1:16; u64 reserved:29; u64 more:6; u64 cmd:5; #endif } s; }; #define OCTNET_CMD_SIZE (sizeof(union octnet_cmd)) /*pkiih3 + irh + ossp[0] + ossp[1] + rdp + rptr = 40 bytes */ #define LIO_SOFTCMDRESP_IH2 40 #define LIO_SOFTCMDRESP_IH3 (40 + 8) #define LIO_PCICMD_O2 24 #define LIO_PCICMD_O3 (24 + 8) /* Instruction Header(DPI) - for OCTEON-III models */ struct octeon_instr_ih3 { #ifdef __BIG_ENDIAN_BITFIELD /** Reserved3 */ u64 reserved3:1; /** Gather indicator 1=gather*/ u64 gather:1; /** Data length OR no. of entries in gather list */ u64 dlengsz:14; /** Front Data size */ u64 fsz:6; /** Reserved2 */ u64 reserved2:4; /** PKI port kind - PKIND */ u64 pkind:6; /** Reserved1 */ u64 reserved1:32; #else /** Reserved1 */ u64 reserved1:32; /** PKI port kind - PKIND */ u64 pkind:6; /** Reserved2 */ u64 reserved2:4; /** Front Data size */ u64 fsz:6; /** Data length OR no. of entries in gather list */ u64 dlengsz:14; /** Gather indicator 1=gather*/ u64 gather:1; /** Reserved3 */ u64 reserved3:1; #endif }; /* Optional PKI Instruction Header(PKI IH) - for OCTEON-III models */ /** BIG ENDIAN format. */ struct octeon_instr_pki_ih3 { #ifdef __BIG_ENDIAN_BITFIELD /** Wider bit */ u64 w:1; /** Raw mode indicator 1 = RAW */ u64 raw:1; /** Use Tag */ u64 utag:1; /** Use QPG */ u64 uqpg:1; /** Reserved2 */ u64 reserved2:1; /** Parse Mode */ u64 pm:3; /** Skip Length */ u64 sl:8; /** Use Tag Type */ u64 utt:1; /** Tag type */ u64 tagtype:2; /** Reserved1 */ u64 reserved1:2; /** QPG Value */ u64 qpg:11; /** Tag Value */ u64 tag:32; #else /** Tag Value */ u64 tag:32; /** QPG Value */ u64 qpg:11; /** Reserved1 */ u64 reserved1:2; /** Tag type */ u64 tagtype:2; /** Use Tag Type */ u64 utt:1; /** Skip Length */ u64 sl:8; /** Parse Mode */ u64 pm:3; /** Reserved2 */ u64 reserved2:1; /** Use QPG */ u64 uqpg:1; /** Use Tag */ u64 utag:1; /** Raw mode indicator 1 = RAW */ u64 raw:1; /** Wider bit */ u64 w:1; #endif }; /** Instruction Header */ struct octeon_instr_ih2 { #ifdef __BIG_ENDIAN_BITFIELD /** Raw mode indicator 1 = RAW */ u64 raw:1; /** Gather indicator 1=gather*/ u64 gather:1; /** Data length OR no. of entries in gather list */ u64 dlengsz:14; /** Front Data size */ u64 fsz:6; /** Packet Order / Work Unit selection (1 of 8)*/ u64 qos:3; /** Core group selection (1 of 16) */ u64 grp:4; /** Short Raw Packet Indicator 1=short raw pkt */ u64 rs:1; /** Tag type */ u64 tagtype:2; /** Tag Value */ u64 tag:32; #else /** Tag Value */ u64 tag:32; /** Tag type */ u64 tagtype:2; /** Short Raw Packet Indicator 1=short raw pkt */ u64 rs:1; /** Core group selection (1 of 16) */ u64 grp:4; /** Packet Order / Work Unit selection (1 of 8)*/ u64 qos:3; /** Front Data size */ u64 fsz:6; /** Data length OR no. of entries in gather list */ u64 dlengsz:14; /** Gather indicator 1=gather*/ u64 gather:1; /** Raw mode indicator 1 = RAW */ u64 raw:1; #endif }; /** Input Request Header */ struct octeon_instr_irh { #ifdef __BIG_ENDIAN_BITFIELD u64 opcode:4; u64 rflag:1; u64 subcode:7; u64 vlan:12; u64 priority:3; u64 reserved:5; u64 ossp:32; /* opcode/subcode specific parameters */ #else u64 ossp:32; /* opcode/subcode specific parameters */ u64 reserved:5; u64 priority:3; u64 vlan:12; u64 subcode:7; u64 rflag:1; u64 opcode:4; #endif }; /** Return Data Parameters */ struct octeon_instr_rdp { #ifdef __BIG_ENDIAN_BITFIELD u64 reserved:49; u64 pcie_port:3; u64 rlen:12; #else u64 rlen:12; u64 pcie_port:3; u64 reserved:49; #endif }; /** Receive Header */ union octeon_rh { #ifdef __BIG_ENDIAN_BITFIELD u64 u64; struct { u64 opcode:4; u64 subcode:8; u64 len:3; /** additional 64-bit words */ u64 reserved:17; u64 ossp:32; /** opcode/subcode specific parameters */ } r; struct { u64 opcode:4; u64 subcode:8; u64 len:3; /** additional 64-bit words */ u64 extra:28; u64 vlan:12; u64 priority:3; u64 csum_verified:3; /** checksum verified. */ u64 has_hwtstamp:1; /** Has hardware timestamp. 1 = yes. */ u64 encap_on:1; u64 has_hash:1; /** Has hash (rth or rss). 1 = yes. */ } r_dh; struct { u64 opcode:4; u64 subcode:8; u64 len:3; /** additional 64-bit words */ u64 reserved:11; u64 num_gmx_ports:8; u64 max_nic_ports:10; u64 app_cap_flags:4; u64 app_mode:8; u64 pkind:8; } r_core_drv_init; struct { u64 opcode:4; u64 subcode:8; u64 len:3; /** additional 64-bit words */ u64 reserved:8; u64 extra:25; u64 gmxport:16; } r_nic_info; #else u64 u64; struct { u64 ossp:32; /** opcode/subcode specific parameters */ u64 reserved:17; u64 len:3; /** additional 64-bit words */ u64 subcode:8; u64 opcode:4; } r; struct { u64 has_hash:1; /** Has hash (rth or rss). 1 = yes. */ u64 encap_on:1; u64 has_hwtstamp:1; /** 1 = has hwtstamp */ u64 csum_verified:3; /** checksum verified. */ u64 priority:3; u64 vlan:12; u64 extra:28; u64 len:3; /** additional 64-bit words */ u64 subcode:8; u64 opcode:4; } r_dh; struct { u64 pkind:8; u64 app_mode:8; u64 app_cap_flags:4; u64 max_nic_ports:10; u64 num_gmx_ports:8; u64 reserved:11; u64 len:3; /** additional 64-bit words */ u64 subcode:8; u64 opcode:4; } r_core_drv_init; struct { u64 gmxport:16; u64 extra:25; u64 reserved:8; u64 len:3; /** additional 64-bit words */ u64 subcode:8; u64 opcode:4; } r_nic_info; #endif }; #define OCT_RH_SIZE (sizeof(union octeon_rh)) union octnic_packet_params { u32 u32; struct { #ifdef __BIG_ENDIAN_BITFIELD u32 reserved:24; u32 ip_csum:1; /* Perform IP header checksum(s) */ /* Perform Outer transport header checksum */ u32 transport_csum:1; /* Find tunnel, and perform transport csum. */ u32 tnl_csum:1; u32 tsflag:1; /* Timestamp this packet */ u32 ipsec_ops:4; /* IPsec operation */ #else u32 ipsec_ops:4; u32 tsflag:1; u32 tnl_csum:1; u32 transport_csum:1; u32 ip_csum:1; u32 reserved:24; #endif } s; }; /** Status of a RGMII Link on Octeon as seen by core driver. */ union oct_link_status { u64 u64; struct { #ifdef __BIG_ENDIAN_BITFIELD u64 duplex:8; u64 mtu:16; u64 speed:16; u64 link_up:1; u64 autoneg:1; u64 if_mode:5; u64 pause:1; u64 flashing:1; u64 reserved:15; #else u64 reserved:15; u64 flashing:1; u64 pause:1; u64 if_mode:5; u64 autoneg:1; u64 link_up:1; u64 speed:16; u64 mtu:16; u64 duplex:8; #endif } s; }; /** The txpciq info passed to host from the firmware */ union oct_txpciq { u64 u64; struct { #ifdef __BIG_ENDIAN_BITFIELD u64 q_no:8; u64 port:8; u64 pkind:6; u64 use_qpg:1; u64 qpg:11; u64 reserved:30; #else u64 reserved:30; u64 qpg:11; u64 use_qpg:1; u64 pkind:6; u64 port:8; u64 q_no:8; #endif } s; }; /** The rxpciq info passed to host from the firmware */ union oct_rxpciq { u64 u64; struct { #ifdef __BIG_ENDIAN_BITFIELD u64 q_no:8; u64 reserved:56; #else u64 reserved:56; u64 q_no:8; #endif } s; }; /** Information for a OCTEON ethernet interface shared between core & host. */ struct oct_link_info { union oct_link_status link; u64 hw_addr; #ifdef __BIG_ENDIAN_BITFIELD u64 gmxport:16; u64 macaddr_is_admin_asgnd:1; u64 rsvd:31; u64 num_txpciq:8; u64 num_rxpciq:8; #else u64 num_rxpciq:8; u64 num_txpciq:8; u64 rsvd:31; u64 macaddr_is_admin_asgnd:1; u64 gmxport:16; #endif union oct_txpciq txpciq[MAX_IOQS_PER_NICIF]; union oct_rxpciq rxpciq[MAX_IOQS_PER_NICIF]; }; #define OCT_LINK_INFO_SIZE (sizeof(struct oct_link_info)) struct liquidio_if_cfg_info { u64 iqmask; /** mask for IQs enabled for the port */ u64 oqmask; /** mask for OQs enabled for the port */ struct oct_link_info linfo; /** initial link information */ char liquidio_firmware_version[32]; }; /** Stats for each NIC port in RX direction. */ struct nic_rx_stats { /* link-level stats */ u64 total_rcvd; u64 bytes_rcvd; u64 total_bcst; u64 total_mcst; u64 runts; u64 ctl_rcvd; u64 fifo_err; /* Accounts for over/under-run of buffers */ u64 dmac_drop; u64 fcs_err; u64 jabber_err; u64 l2_err; u64 frame_err; /* firmware stats */ u64 fw_total_rcvd; u64 fw_total_fwd; u64 fw_err_pko; u64 fw_err_link; u64 fw_err_drop; u64 fw_rx_vxlan; u64 fw_rx_vxlan_err; /* LRO */ u64 fw_lro_pkts; /* Number of packets that are LROed */ u64 fw_lro_octs; /* Number of octets that are LROed */ u64 fw_total_lro; /* Number of LRO packets formed */ u64 fw_lro_aborts; /* Number of times lRO of packet aborted */ u64 fw_lro_aborts_port; u64 fw_lro_aborts_seq; u64 fw_lro_aborts_tsval; u64 fw_lro_aborts_timer; /* intrmod: packet forward rate */ u64 fwd_rate; }; /** Stats for each NIC port in RX direction. */ struct nic_tx_stats { /* link-level stats */ u64 total_pkts_sent; u64 total_bytes_sent; u64 mcast_pkts_sent; u64 bcast_pkts_sent; u64 ctl_sent; u64 one_collision_sent; /* Packets sent after one collision*/ u64 multi_collision_sent; /* Packets sent after multiple collision*/ u64 max_collision_fail; /* Packets not sent due to max collisions */ u64 max_deferral_fail; /* Packets not sent due to max deferrals */ u64 fifo_err; /* Accounts for over/under-run of buffers */ u64 runts; u64 total_collisions; /* Total number of collisions detected */ /* firmware stats */ u64 fw_total_sent; u64 fw_total_fwd; u64 fw_total_fwd_bytes; u64 fw_err_pko; u64 fw_err_link; u64 fw_err_drop; u64 fw_err_tso; u64 fw_tso; /* number of tso requests */ u64 fw_tso_fwd; /* number of packets segmented in tso */ u64 fw_tx_vxlan; }; struct oct_link_stats { struct nic_rx_stats fromwire; struct nic_tx_stats fromhost; }; static inline int opcode_slow_path(union octeon_rh *rh) { u16 subcode1, subcode2; subcode1 = OPCODE_SUBCODE((rh)->r.opcode, (rh)->r.subcode); subcode2 = OPCODE_SUBCODE(OPCODE_NIC, OPCODE_NIC_NW_DATA); return (subcode2 != subcode1); } #define LIO68XX_LED_CTRL_ADDR 0x3501 #define LIO68XX_LED_CTRL_CFGON 0x1f #define LIO68XX_LED_CTRL_CFGOFF 0x100 #define LIO68XX_LED_BEACON_ADDR 0x3508 #define LIO68XX_LED_BEACON_CFGON 0x47fd #define LIO68XX_LED_BEACON_CFGOFF 0x11fc #define VITESSE_PHY_GPIO_DRIVEON 0x1 #define VITESSE_PHY_GPIO_CFG 0x8 #define VITESSE_PHY_GPIO_DRIVEOFF 0x4 #define VITESSE_PHY_GPIO_HIGH 0x2 #define VITESSE_PHY_GPIO_LOW 0x3 #define LED_IDENTIFICATION_ON 0x1 #define LED_IDENTIFICATION_OFF 0x0 struct oct_mdio_cmd { u64 op; u64 mdio_addr; u64 value1; u64 value2; u64 value3; }; #define OCT_LINK_STATS_SIZE (sizeof(struct oct_link_stats)) struct oct_intrmod_cfg { u64 rx_enable; u64 tx_enable; u64 check_intrvl; u64 maxpkt_ratethr; u64 minpkt_ratethr; u64 rx_maxcnt_trigger; u64 rx_mincnt_trigger; u64 rx_maxtmr_trigger; u64 rx_mintmr_trigger; u64 tx_mincnt_trigger; u64 tx_maxcnt_trigger; u64 rx_frames; u64 tx_frames; u64 rx_usecs; }; #define BASE_QUEUE_NOT_REQUESTED 65535 union oct_nic_if_cfg { u64 u64; struct { #ifdef __BIG_ENDIAN_BITFIELD u64 base_queue:16; u64 num_iqueues:16; u64 num_oqueues:16; u64 gmx_port_id:8; u64 vf_id:8; #else u64 vf_id:8; u64 gmx_port_id:8; u64 num_oqueues:16; u64 num_iqueues:16; u64 base_queue:16; #endif } s; }; #endif