X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx.h;h=5108b9b1f61fb331edd530364ddce14ee1ea433f;hb=d0dcfe9824bb3386608834a1595f9154487ef24f;hp=2c7e932da114968a5aed45965b0badd558a33416;hpb=f1ba8c27fd7f4477ffa6572e05897641b1822bf7;p=dpdk.git diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h index 2c7e932da1..5108b9b1f6 100644 --- a/drivers/net/sfc/base/efx.h +++ b/drivers/net/sfc/base/efx.h @@ -129,9 +129,22 @@ efx_nic_create( __in efsys_lock_t *eslp, __deref_out efx_nic_t **enpp); +/* EFX_FW_VARIANT codes map one to one on MC_CMD_FW codes */ +typedef enum efx_fw_variant_e { + EFX_FW_VARIANT_FULL_FEATURED, + EFX_FW_VARIANT_LOW_LATENCY, + EFX_FW_VARIANT_PACKED_STREAM, + EFX_FW_VARIANT_HIGH_TX_RATE, + EFX_FW_VARIANT_PACKED_STREAM_HASH_MODE_1, + EFX_FW_VARIANT_RULES_ENGINE, + EFX_FW_VARIANT_DPDK, + EFX_FW_VARIANT_DONT_CARE = 0xffffffff +} efx_fw_variant_t; + extern __checkReturn efx_rc_t efx_nic_probe( - __in efx_nic_t *enp); + __in efx_nic_t *enp, + __in efx_fw_variant_t efv); extern __checkReturn efx_rc_t efx_nic_init( @@ -323,7 +336,7 @@ efx_intr_fini( #if EFSYS_OPT_MAC_STATS -/* START MKCONFIG GENERATED EfxHeaderMacBlock e323546097fd7c65 */ +/* START MKCONFIG GENERATED EfxHeaderMacBlock ea466a9bc8789994 */ typedef enum efx_mac_stat_e { EFX_MAC_RX_OCTETS, EFX_MAC_RX_PKTS, @@ -406,6 +419,31 @@ typedef enum efx_mac_stat_e { EFX_MAC_VADAPTER_TX_BAD_PACKETS, EFX_MAC_VADAPTER_TX_BAD_BYTES, EFX_MAC_VADAPTER_TX_OVERFLOW, + EFX_MAC_FEC_UNCORRECTED_ERRORS, + EFX_MAC_FEC_CORRECTED_ERRORS, + EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE0, + EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE1, + EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE2, + EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3, + EFX_MAC_CTPIO_VI_BUSY_FALLBACK, + EFX_MAC_CTPIO_LONG_WRITE_SUCCESS, + EFX_MAC_CTPIO_MISSING_DBELL_FAIL, + EFX_MAC_CTPIO_OVERFLOW_FAIL, + EFX_MAC_CTPIO_UNDERFLOW_FAIL, + EFX_MAC_CTPIO_TIMEOUT_FAIL, + EFX_MAC_CTPIO_NONCONTIG_WR_FAIL, + EFX_MAC_CTPIO_FRM_CLOBBER_FAIL, + EFX_MAC_CTPIO_INVALID_WR_FAIL, + EFX_MAC_CTPIO_VI_CLOBBER_FALLBACK, + EFX_MAC_CTPIO_UNQUALIFIED_FALLBACK, + EFX_MAC_CTPIO_RUNT_FALLBACK, + EFX_MAC_CTPIO_SUCCESS, + EFX_MAC_CTPIO_FALLBACK, + EFX_MAC_CTPIO_POISON, + EFX_MAC_CTPIO_ERASE, + EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC, + EFX_MAC_RXDP_HLB_IDLE, + EFX_MAC_RXDP_HLB_TIMEOUT, EFX_MAC_NSTATS } efx_mac_stat_t; @@ -432,6 +470,8 @@ typedef enum efx_link_mode_e { #define EFX_MAC_ADDR_LEN 6 +#define EFX_VNI_OR_VSID_LEN 3 + #define EFX_MAC_ADDR_IS_MULTICAST(_address) (((uint8_t *)_address)[0] & 0x01) #define EFX_MAC_MULTICAST_LIST_MAX 256 @@ -555,7 +595,6 @@ efx_mac_stats_get_mask( ((_mask)[(_stat) / EFX_MAC_STATS_MASK_BITS_PER_PAGE] & \ (1ULL << ((_stat) & (EFX_MAC_STATS_MASK_BITS_PER_PAGE - 1)))) -#define EFX_MAC_STATS_SIZE 0x400 extern __checkReturn efx_rc_t efx_mac_stats_clear( @@ -564,8 +603,8 @@ efx_mac_stats_clear( /* * Upload mac statistics supported by the hardware into the given buffer. * - * The reference buffer must be at least %EFX_MAC_STATS_SIZE bytes, - * and page aligned. + * The DMA buffer must be 4Kbyte aligned and sized to hold at least + * efx_nic_cfg_t::enc_mac_stats_nstats 64bit counters. * * The hardware will only DMA statistics that it understands (of course). * Drivers should not make any assumptions about which statistics are @@ -622,7 +661,7 @@ efx_mon_init( #define EFX_MON_STATS_PAGE_SIZE 0x100 #define EFX_MON_MASK_ELEMENT_SIZE 32 -/* START MKCONFIG GENERATED MonitorHeaderStatsBlock fcc1b6748432e1ac */ +/* START MKCONFIG GENERATED MonitorHeaderStatsBlock 400fdb0517af1fca */ typedef enum efx_mon_stat_e { EFX_MON_STAT_2_5V, EFX_MON_STAT_VCCP1, @@ -705,6 +744,8 @@ typedef enum efx_mon_stat_e { EFX_MON_STAT_I2V5, EFX_MON_STAT_I3V3, EFX_MON_STAT_I12V0, + EFX_MON_STAT_1_3V, + EFX_MON_STAT_I1V3, EFX_MON_NSTATS } efx_mon_stat_t; @@ -871,6 +912,12 @@ typedef enum efx_phy_cap_type_e { EFX_PHY_CAP_100000FDX, EFX_PHY_CAP_25000FDX, EFX_PHY_CAP_50000FDX, + EFX_PHY_CAP_BASER_FEC, + EFX_PHY_CAP_BASER_FEC_REQUESTED, + EFX_PHY_CAP_RS_FEC, + EFX_PHY_CAP_RS_FEC_REQUESTED, + EFX_PHY_CAP_25G_BASER_FEC, + EFX_PHY_CAP_25G_BASER_FEC_REQUESTED, EFX_PHY_CAP_NTYPES } efx_phy_cap_type_t; @@ -1148,6 +1195,17 @@ typedef struct efx_nic_cfg_s { uint32_t enc_rx_buf_align_start; uint32_t enc_rx_buf_align_end; uint32_t enc_rx_scale_max_exclusive_contexts; + /* + * Mask of supported hash algorithms. + * Hash algorithm types are used as the bit indices. + */ + uint32_t enc_rx_scale_hash_alg_mask; + /* + * Indicates whether port numbers can be included to the + * input data for hash computation. + */ + boolean_t enc_rx_scale_l4_hash_supported; + boolean_t enc_rx_scale_additional_modes_supported; #if EFSYS_OPT_LOOPBACK efx_qword_t enc_loopback_types[EFX_LINK_NMODES]; #endif /* EFSYS_OPT_LOOPBACK */ @@ -1201,6 +1259,7 @@ typedef struct efx_nic_cfg_s { uint32_t enc_tx_tso_tcp_header_offset_limit; boolean_t enc_fw_assisted_tso_enabled; boolean_t enc_fw_assisted_tso_v2_enabled; + boolean_t enc_fw_assisted_tso_v2_encap_enabled; /* Number of TSO contexts on the NIC (FATSOv2) */ uint32_t enc_fw_assisted_tso_v2_n_contexts; boolean_t enc_hw_tx_insert_vlan_enabled; @@ -1214,6 +1273,8 @@ typedef struct efx_nic_cfg_s { boolean_t enc_init_evq_v2_supported; boolean_t enc_rx_packed_stream_supported; boolean_t enc_rx_var_packed_stream_supported; + boolean_t enc_rx_es_super_buffer_supported; + boolean_t enc_fw_subvariant_no_tx_csum_supported; boolean_t enc_pm_and_rxdp_counters; boolean_t enc_mac_stats_40g_tx_size_bins; uint32_t enc_tunnel_encapsulations_supported; @@ -1232,6 +1293,14 @@ typedef struct efx_nic_cfg_s { uint32_t enc_max_pcie_link_gen; /* Firmware verifies integrity of NVRAM updates */ uint32_t enc_nvram_update_verify_result_supported; + /* Firmware support for extended MAC_STATS buffer */ + uint32_t enc_mac_stats_nstats; + boolean_t enc_fec_counters; + boolean_t enc_hlb_counters; + /* Firmware support for "FLAG" and "MARK" filter actions */ + boolean_t enc_filter_action_flag_supported; + boolean_t enc_filter_action_mark_supported; + uint32_t enc_filter_action_mark_max; } efx_nic_cfg_t; #define EFX_PCI_FUNCTION_IS_PF(_encp) ((_encp)->enc_vf == 0xffff) @@ -1246,6 +1315,13 @@ extern const efx_nic_cfg_t * efx_nic_cfg_get( __in efx_nic_t *enp); +/* RxDPCPU firmware id values by which FW variant can be identified */ +#define EFX_RXDP_FULL_FEATURED_FW_ID 0x0 +#define EFX_RXDP_LOW_LATENCY_FW_ID 0x1 +#define EFX_RXDP_PACKED_STREAM_FW_ID 0x2 +#define EFX_RXDP_RULES_ENGINE_FW_ID 0x5 +#define EFX_RXDP_DPDK_FW_ID 0x6 + typedef struct efx_nic_fw_info_s { /* Basic FW version information */ uint16_t enfi_mc_fw_version[4]; @@ -1534,6 +1610,92 @@ efx_bootcfg_write( #endif /* EFSYS_OPT_BOOTCFG */ +#if EFSYS_OPT_IMAGE_LAYOUT + +#include "ef10_signed_image_layout.h" + +/* + * Image header used in unsigned and signed image layouts (see SF-102785-PS). + * + * NOTE: + * The image header format is extensible. However, older drivers require an + * exact match of image header version and header length when validating and + * writing firmware images. + * + * To avoid breaking backward compatibility, we use the upper bits of the + * controller version fields to contain an extra version number used for + * combined bootROM and UEFI ROM images on EF10 and later (to hold the UEFI ROM + * version). See bug39254 and SF-102785-PS for details. + */ +typedef struct efx_image_header_s { + uint32_t eih_magic; + uint32_t eih_version; + uint32_t eih_type; + uint32_t eih_subtype; + uint32_t eih_code_size; + uint32_t eih_size; + union { + uint32_t eih_controller_version_min; + struct { + uint16_t eih_controller_version_min_short; + uint8_t eih_extra_version_a; + uint8_t eih_extra_version_b; + }; + }; + union { + uint32_t eih_controller_version_max; + struct { + uint16_t eih_controller_version_max_short; + uint8_t eih_extra_version_c; + uint8_t eih_extra_version_d; + }; + }; + uint16_t eih_code_version_a; + uint16_t eih_code_version_b; + uint16_t eih_code_version_c; + uint16_t eih_code_version_d; +} efx_image_header_t; + +#define EFX_IMAGE_HEADER_SIZE (40) +#define EFX_IMAGE_HEADER_VERSION (4) +#define EFX_IMAGE_HEADER_MAGIC (0x106F1A5) + + +typedef struct efx_image_trailer_s { + uint32_t eit_crc; +} efx_image_trailer_t; + +#define EFX_IMAGE_TRAILER_SIZE (4) + +typedef enum efx_image_format_e { + EFX_IMAGE_FORMAT_NO_IMAGE, + EFX_IMAGE_FORMAT_INVALID, + EFX_IMAGE_FORMAT_UNSIGNED, + EFX_IMAGE_FORMAT_SIGNED, +} efx_image_format_t; + +typedef struct efx_image_info_s { + efx_image_format_t eii_format; + uint8_t * eii_imagep; + size_t eii_image_size; + efx_image_header_t * eii_headerp; +} efx_image_info_t; + +extern __checkReturn efx_rc_t +efx_check_reflash_image( + __in void *bufferp, + __in uint32_t buffer_size, + __out efx_image_info_t *infop); + +extern __checkReturn efx_rc_t +efx_build_signed_image_write_buffer( + __out uint8_t *bufferp, + __in uint32_t buffer_size, + __in efx_image_info_t *infop, + __out efx_image_header_t **headerpp); + +#endif /* EFSYS_OPT_IMAGE_LAYOUT */ + #if EFSYS_OPT_DIAG typedef enum efx_pattern_type_t { @@ -1710,7 +1872,7 @@ typedef __checkReturn boolean_t __in uint32_t size, __in uint16_t flags); -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER /* * Packed stream mode is documented in SF-112241-TC. @@ -1720,6 +1882,13 @@ typedef __checkReturn boolean_t * packets are put there in a continuous stream. * The main advantage of such an approach is that RX queue refilling * happens much less frequently. + * + * Equal stride packed stream mode is documented in SF-119419-TC. + * The general idea is to utilize advantages of the packed stream, + * but avoid indirection in packets representation. + * The main advantage of such an approach is that RX queue refilling + * happens much less frequently and packets buffers are independent + * from upper layers point of view. */ typedef __checkReturn boolean_t @@ -1820,7 +1989,7 @@ typedef __checkReturn boolean_t typedef struct efx_ev_callbacks_s { efx_initialized_ev_t eec_initialized; efx_rx_ev_t eec_rx; -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER efx_rx_ps_ev_t eec_rx_ps; #endif efx_tx_ev_t eec_tx; @@ -1924,14 +2093,35 @@ efx_rx_scatter_enable( typedef enum efx_rx_hash_alg_e { EFX_RX_HASHALG_LFSR = 0, - EFX_RX_HASHALG_TOEPLITZ + EFX_RX_HASHALG_TOEPLITZ, + EFX_RX_HASHALG_PACKED_STREAM, + EFX_RX_NHASHALGS } efx_rx_hash_alg_t; +/* + * Legacy hash type flags. + * + * They represent standard tuples for distinct traffic classes. + */ #define EFX_RX_HASH_IPV4 (1U << 0) #define EFX_RX_HASH_TCPIPV4 (1U << 1) #define EFX_RX_HASH_IPV6 (1U << 2) #define EFX_RX_HASH_TCPIPV6 (1U << 3) +#define EFX_RX_HASH_LEGACY_MASK \ + (EFX_RX_HASH_IPV4 | \ + EFX_RX_HASH_TCPIPV4 | \ + EFX_RX_HASH_IPV6 | \ + EFX_RX_HASH_TCPIPV6) + +/* + * The type of the argument used by efx_rx_scale_mode_set() to + * provide a means for the client drivers to configure hashing. + * + * A properly constructed value can either be: + * - a combination of legacy flags + * - a combination of EFX_RX_HASH() flags + */ typedef unsigned int efx_rx_hash_type_t; typedef enum efx_rx_hash_support_e { @@ -1950,6 +2140,92 @@ typedef enum efx_rx_scale_context_type_e { EFX_RX_SCALE_SHARED /* Read-only key/indirection table */ } efx_rx_scale_context_type_t; +/* + * Traffic classes eligible for hash computation. + * + * Select packet headers used in computing the receive hash. + * This uses the same encoding as the RSS_MODES field of + * MC_CMD_RSS_CONTEXT_SET_FLAGS. + */ +#define EFX_RX_CLASS_IPV4_TCP_LBN 8 +#define EFX_RX_CLASS_IPV4_TCP_WIDTH 4 +#define EFX_RX_CLASS_IPV4_UDP_LBN 12 +#define EFX_RX_CLASS_IPV4_UDP_WIDTH 4 +#define EFX_RX_CLASS_IPV4_LBN 16 +#define EFX_RX_CLASS_IPV4_WIDTH 4 +#define EFX_RX_CLASS_IPV6_TCP_LBN 20 +#define EFX_RX_CLASS_IPV6_TCP_WIDTH 4 +#define EFX_RX_CLASS_IPV6_UDP_LBN 24 +#define EFX_RX_CLASS_IPV6_UDP_WIDTH 4 +#define EFX_RX_CLASS_IPV6_LBN 28 +#define EFX_RX_CLASS_IPV6_WIDTH 4 + +#define EFX_RX_NCLASSES 6 + +/* + * Ancillary flags used to construct generic hash tuples. + * This uses the same encoding as RSS_MODE_HASH_SELECTOR. + */ +#define EFX_RX_CLASS_HASH_SRC_ADDR (1U << 0) +#define EFX_RX_CLASS_HASH_DST_ADDR (1U << 1) +#define EFX_RX_CLASS_HASH_SRC_PORT (1U << 2) +#define EFX_RX_CLASS_HASH_DST_PORT (1U << 3) + +/* + * Generic hash tuples. + * + * They express combinations of packet fields + * which can contribute to the hash value for + * a particular traffic class. + */ +#define EFX_RX_CLASS_HASH_DISABLE 0 + +#define EFX_RX_CLASS_HASH_1TUPLE_SRC EFX_RX_CLASS_HASH_SRC_ADDR +#define EFX_RX_CLASS_HASH_1TUPLE_DST EFX_RX_CLASS_HASH_DST_ADDR + +#define EFX_RX_CLASS_HASH_2TUPLE \ + (EFX_RX_CLASS_HASH_SRC_ADDR | \ + EFX_RX_CLASS_HASH_DST_ADDR) + +#define EFX_RX_CLASS_HASH_2TUPLE_SRC \ + (EFX_RX_CLASS_HASH_SRC_ADDR | \ + EFX_RX_CLASS_HASH_SRC_PORT) + +#define EFX_RX_CLASS_HASH_2TUPLE_DST \ + (EFX_RX_CLASS_HASH_DST_ADDR | \ + EFX_RX_CLASS_HASH_DST_PORT) + +#define EFX_RX_CLASS_HASH_4TUPLE \ + (EFX_RX_CLASS_HASH_SRC_ADDR | \ + EFX_RX_CLASS_HASH_DST_ADDR | \ + EFX_RX_CLASS_HASH_SRC_PORT | \ + EFX_RX_CLASS_HASH_DST_PORT) + +#define EFX_RX_CLASS_HASH_NTUPLES 7 + +/* + * Hash flag constructor. + * + * Resulting flags encode hash tuples for specific traffic classes. + * The client drivers are encouraged to use these flags to form + * a hash type value. + */ +#define EFX_RX_HASH(_class, _tuple) \ + EFX_INSERT_FIELD_NATIVE32(0, 31, \ + EFX_RX_CLASS_##_class, EFX_RX_CLASS_HASH_##_tuple) + +/* + * The maximum number of EFX_RX_HASH() flags. + */ +#define EFX_RX_HASH_NFLAGS (EFX_RX_NCLASSES * EFX_RX_CLASS_HASH_NTUPLES) + +extern __checkReturn efx_rc_t +efx_rx_scale_hash_flags_get( + __in efx_nic_t *enp, + __in efx_rx_hash_alg_t hash_alg, + __inout_ecount(EFX_RX_HASH_NFLAGS) unsigned int *flags, + __out unsigned int *nflagsp); + extern __checkReturn efx_rc_t efx_rx_hash_default_support_get( __in efx_nic_t *enp, @@ -2020,6 +2296,7 @@ efx_pseudo_hdr_pkt_length_get( typedef enum efx_rxq_type_e { EFX_RXQ_TYPE_DEFAULT, EFX_RXQ_TYPE_PACKED_STREAM, + EFX_RXQ_TYPE_ES_SUPER_BUFFER, EFX_RXQ_NTYPES } efx_rxq_type_t; @@ -2073,6 +2350,28 @@ efx_rx_qcreate_packed_stream( #endif +#if EFSYS_OPT_RX_ES_SUPER_BUFFER + +/* Maximum head-of-line block timeout in nanoseconds */ +#define EFX_RXQ_ES_SUPER_BUFFER_HOL_BLOCK_MAX (400U * 1000 * 1000) + +extern __checkReturn efx_rc_t +efx_rx_qcreate_es_super_buffer( + __in efx_nic_t *enp, + __in unsigned int index, + __in unsigned int label, + __in uint32_t n_bufs_per_desc, + __in uint32_t max_dma_len, + __in uint32_t buf_stride, + __in uint32_t hol_block_timeout, + __in efsys_mem_t *esmp, + __in size_t ndescs, + __in unsigned int flags, + __in efx_evq_t *eep, + __deref_out efx_rxq_t **erpp); + +#endif + typedef struct efx_buffer_s { efsys_dma_addr_t eb_addr; size_t eb_size; @@ -2262,6 +2561,7 @@ extern void efx_tx_qdesc_tso2_create( __in efx_txq_t *etp, __in uint16_t ipv4_id, + __in uint16_t outer_ipv4_id, __in uint32_t tcp_seq, __in uint16_t tcp_mss, __out_ecount(count) efx_desc_t *edp, @@ -2327,6 +2627,10 @@ efx_tx_qdestroy( #define EFX_FILTER_FLAG_RX 0x08 /* Filter is for TX */ #define EFX_FILTER_FLAG_TX 0x10 +/* Set match flag on the received packet */ +#define EFX_FILTER_FLAG_ACTION_FLAG 0x20 +/* Set match mark on the received packet */ +#define EFX_FILTER_FLAG_ACTION_MARK 0x40 typedef uint8_t efx_filter_flags_t; @@ -2355,10 +2659,19 @@ typedef uint8_t efx_filter_flags_t; #define EFX_FILTER_MATCH_OUTER_VID 0x00000100 /* Match by IP transport protocol */ #define EFX_FILTER_MATCH_IP_PROTO 0x00000200 +/* Match by VNI or VSID */ +#define EFX_FILTER_MATCH_VNI_OR_VSID 0x00000800 +/* For encapsulated packets, match by inner frame local MAC address */ +#define EFX_FILTER_MATCH_IFRM_LOC_MAC 0x00010000 /* For encapsulated packets, match all multicast inner frames */ #define EFX_FILTER_MATCH_IFRM_UNKNOWN_MCAST_DST 0x01000000 /* For encapsulated packets, match all unicast inner frames */ #define EFX_FILTER_MATCH_IFRM_UNKNOWN_UCAST_DST 0x02000000 +/* + * Match by encap type, this flag does not correspond to + * the MCDI match flags and any unoccupied value may be used + */ +#define EFX_FILTER_MATCH_ENCAP_TYPE 0x20000000 /* Match otherwise-unmatched multicast and broadcast packets */ #define EFX_FILTER_MATCH_UNKNOWN_MCAST_DST 0x40000000 /* Match otherwise-unmatched unicast packets */ @@ -2401,6 +2714,9 @@ typedef struct efx_filter_spec_s { uint16_t efs_rem_port; efx_oword_t efs_rem_host; efx_oword_t efs_loc_host; + uint8_t efs_vni_or_vsid[EFX_VNI_OR_VSID_LEN]; + uint8_t efs_ifrm_loc_mac[EFX_MAC_ADDR_LEN]; + uint32_t efs_mark; } efx_filter_spec_t; @@ -2496,6 +2812,13 @@ efx_filter_spec_set_encap_type( __in efx_tunnel_protocol_t encap_type, __in efx_filter_inner_frame_match_t inner_frame_match); +extern __checkReturn efx_rc_t +efx_filter_spec_set_vxlan_full( + __inout efx_filter_spec_t *spec, + __in const uint8_t *vxlan_id, + __in const uint8_t *inner_addr, + __in const uint8_t *outer_addr); + #if EFSYS_OPT_RX_SCALE extern __checkReturn efx_rc_t efx_filter_spec_set_rss_context( @@ -2701,6 +3024,38 @@ efx_tunnel_reconfigure( #endif /* EFSYS_OPT_TUNNEL */ +#if EFSYS_OPT_FW_SUBVARIANT_AWARE + +/** + * Firmware subvariant choice options. + * + * It may be switched to no Tx checksum if attached drivers are either + * preboot or firmware subvariant aware and no VIS are allocated. + * If may be always switched to default explicitly using set request or + * implicitly if unaware driver is attaching. If switching is done when + * a driver is attached, it gets MC_REBOOT event and should recreate its + * datapath. + * + * See SF-119419-TC DPDK Firmware Driver Interface and + * SF-109306-TC EF10 for Driver Writers for details. + */ +typedef enum efx_nic_fw_subvariant_e { + EFX_NIC_FW_SUBVARIANT_DEFAULT = 0, + EFX_NIC_FW_SUBVARIANT_NO_TX_CSUM = 1, + EFX_NIC_FW_SUBVARIANT_NTYPES +} efx_nic_fw_subvariant_t; + +extern __checkReturn efx_rc_t +efx_nic_get_fw_subvariant( + __in efx_nic_t *enp, + __out efx_nic_fw_subvariant_t *subvariantp); + +extern __checkReturn efx_rc_t +efx_nic_set_fw_subvariant( + __in efx_nic_t *enp, + __in efx_nic_fw_subvariant_t subvariant); + +#endif /* EFSYS_OPT_FW_SUBVARIANT_AWARE */ #ifdef __cplusplus }