/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ /* nfp_net_ctrl.h * Netronome network device driver: Control BAR layout * Authors: Jakub Kicinski <[email protected]> * Jason McMullan <[email protected]> * Rolf Neugebauer <[email protected]> * Brad Petrus <[email protected]> */ #ifndef _NFP_NET_CTRL_H_ #define _NFP_NET_CTRL_H_ #include <linux/types.h> /* 64-bit per app capabilities */ #define NFP_NET_APP_CAP_SP_INDIFF … /* Configuration BAR size. * * The configuration BAR is 8K in size, but due to * THB-350, 32k needs to be reserved. */ #define NFP_NET_CFG_BAR_SZ … /* Offset in Freelist buffer where packet starts on RX */ #define NFP_NET_RX_OFFSET … /* LSO parameters * %NFP_NET_LSO_MAX_HDR_SZ: Maximum header size supported for LSO frames * %NFP_NET_LSO_MAX_SEGS: Maximum number of segments LSO frame can produce */ #define NFP_NET_LSO_MAX_HDR_SZ … #define NFP_NET_LSO_MAX_SEGS … /* working with metadata vlan api (NFD version >= 2.0) */ #define NFP_NET_META_VLAN_STRIP … #define NFP_NET_META_VLAN_TPID_MASK … #define NFP_NET_META_VLAN_TCI_MASK … /* Prepend field types */ #define NFP_NET_META_FIELD_SIZE … #define NFP_NET_META_HASH … #define NFP_NET_META_MARK … #define NFP_NET_META_VLAN … #define NFP_NET_META_PORTID … #define NFP_NET_META_CSUM … #define NFP_NET_META_CONN_HANDLE … #define NFP_NET_META_RESYNC_INFO … #define NFP_NET_META_IPSEC … #define NFP_META_PORT_ID_CTRL … /* Prepend field sizes */ #define NFP_NET_META_VLAN_SIZE … #define NFP_NET_META_PORTID_SIZE … #define NFP_NET_META_CONN_HANDLE_SIZE … #define NFP_NET_META_IPSEC_SIZE … #define NFP_NET_META_IPSEC_FIELD_SIZE … /* Hash type pre-pended when a RSS hash was computed */ #define NFP_NET_RSS_NONE … #define NFP_NET_RSS_IPV4 … #define NFP_NET_RSS_IPV6 … #define NFP_NET_RSS_IPV6_EX … #define NFP_NET_RSS_IPV4_TCP … #define NFP_NET_RSS_IPV6_TCP … #define NFP_NET_RSS_IPV6_EX_TCP … #define NFP_NET_RSS_IPV4_UDP … #define NFP_NET_RSS_IPV6_UDP … #define NFP_NET_RSS_IPV6_EX_UDP … /* Ring counts * %NFP_NET_TXR_MAX: Maximum number of TX rings * %NFP_NET_RXR_MAX: Maximum number of RX rings */ #define NFP_NET_TXR_MAX … #define NFP_NET_RXR_MAX … /* Read/Write config words (0x0000 - 0x002c) * %NFP_NET_CFG_CTRL: Global control * %NFP_NET_CFG_UPDATE: Indicate which fields are updated * %NFP_NET_CFG_TXRS_ENABLE: Bitmask of enabled TX rings * %NFP_NET_CFG_RXRS_ENABLE: Bitmask of enabled RX rings * %NFP_NET_CFG_MTU: Set MTU size * %NFP_NET_CFG_FLBUFSZ: Set freelist buffer size (must be larger than MTU) * %NFP_NET_CFG_EXN: MSI-X table entry for exceptions * %NFP_NET_CFG_LSC: MSI-X table entry for link state changes * %NFP_NET_CFG_MACADDR: MAC address * * TODO: * - define Error details in UPDATE */ #define NFP_NET_CFG_CTRL … #define NFP_NET_CFG_CTRL_ENABLE … #define NFP_NET_CFG_CTRL_PROMISC … #define NFP_NET_CFG_CTRL_L2BC … #define NFP_NET_CFG_CTRL_L2MC … #define NFP_NET_CFG_CTRL_RXCSUM … #define NFP_NET_CFG_CTRL_TXCSUM … #define NFP_NET_CFG_CTRL_RXVLAN … #define NFP_NET_CFG_CTRL_TXVLAN … #define NFP_NET_CFG_CTRL_SCATTER … #define NFP_NET_CFG_CTRL_GATHER … #define NFP_NET_CFG_CTRL_LSO … #define NFP_NET_CFG_CTRL_CTAG_FILTER … #define NFP_NET_CFG_CTRL_CMSG_DATA … #define NFP_NET_CFG_CTRL_RXQINQ … #define NFP_NET_CFG_CTRL_RXVLAN_V2 … #define NFP_NET_CFG_CTRL_RINGCFG … #define NFP_NET_CFG_CTRL_RSS … #define NFP_NET_CFG_CTRL_IRQMOD … #define NFP_NET_CFG_CTRL_MSIXAUTO … #define NFP_NET_CFG_CTRL_TXRWB … #define NFP_NET_CFG_CTRL_VEPA … #define NFP_NET_CFG_CTRL_TXVLAN_V2 … #define NFP_NET_CFG_CTRL_VXLAN … #define NFP_NET_CFG_CTRL_NVGRE … #define NFP_NET_CFG_CTRL_BPF … #define NFP_NET_CFG_CTRL_LSO2 … #define NFP_NET_CFG_CTRL_RSS2 … #define NFP_NET_CFG_CTRL_CSUM_COMPLETE … #define NFP_NET_CFG_CTRL_LIVE_ADDR … #define NFP_NET_CFG_CTRL_LSO_ANY … #define NFP_NET_CFG_CTRL_RSS_ANY … #define NFP_NET_CFG_CTRL_RXCSUM_ANY … #define NFP_NET_CFG_CTRL_CHAIN_META … #define NFP_NET_CFG_CTRL_RXVLAN_ANY … #define NFP_NET_CFG_CTRL_TXVLAN_ANY … #define NFP_NET_CFG_UPDATE … #define NFP_NET_CFG_UPDATE_GEN … #define NFP_NET_CFG_UPDATE_RING … #define NFP_NET_CFG_UPDATE_RSS … #define NFP_NET_CFG_UPDATE_TXRPRIO … #define NFP_NET_CFG_UPDATE_RXRPRIO … #define NFP_NET_CFG_UPDATE_MSIX … #define NFP_NET_CFG_UPDATE_RESET … #define NFP_NET_CFG_UPDATE_IRQMOD … #define NFP_NET_CFG_UPDATE_VXLAN … #define NFP_NET_CFG_UPDATE_BPF … #define NFP_NET_CFG_UPDATE_MACADDR … #define NFP_NET_CFG_UPDATE_MBOX … #define NFP_NET_CFG_UPDATE_VF … #define NFP_NET_CFG_UPDATE_CRYPTO … #define NFP_NET_CFG_UPDATE_ERR … #define NFP_NET_CFG_TXRS_ENABLE … #define NFP_NET_CFG_RXRS_ENABLE … #define NFP_NET_CFG_MTU … #define NFP_NET_CFG_FLBUFSZ … #define NFP_NET_CFG_EXN … #define NFP_NET_CFG_LSC … #define NFP_NET_CFG_MACADDR … /* Read-only words (0x0030 - 0x0050): * %NFP_NET_CFG_VERSION: Firmware version number * %NFP_NET_CFG_STS: Status * %NFP_NET_CFG_CAP: Capabilities (same bits as %NFP_NET_CFG_CTRL) * %NFP_NET_CFG_MAX_TXRINGS: Maximum number of TX rings * %NFP_NET_CFG_MAX_RXRINGS: Maximum number of RX rings * %NFP_NET_CFG_MAX_MTU: Maximum support MTU * %NFP_NET_CFG_START_TXQ: Start Queue Control Queue to use for TX (PF only) * %NFP_NET_CFG_START_RXQ: Start Queue Control Queue to use for RX (PF only) * * TODO: * - define more STS bits */ #define NFP_NET_CFG_VERSION … #define NFP_NET_CFG_VERSION_RESERVED_MASK … #define NFP_NET_CFG_VERSION_DP_NFD3 … #define NFP_NET_CFG_VERSION_DP_NFDK … #define NFP_NET_CFG_VERSION_DP_MASK … #define NFP_NET_CFG_VERSION_CLASS_MASK … #define NFP_NET_CFG_VERSION_CLASS(x) … #define NFP_NET_CFG_VERSION_CLASS_GENERIC … #define NFP_NET_CFG_VERSION_MAJOR_MASK … #define NFP_NET_CFG_VERSION_MAJOR(x) … #define NFP_NET_CFG_VERSION_MINOR_MASK … #define NFP_NET_CFG_VERSION_MINOR(x) … #define NFP_NET_CFG_STS … #define NFP_NET_CFG_STS_LINK … /* Link rate */ #define NFP_NET_CFG_STS_LINK_RATE_SHIFT … #define NFP_NET_CFG_STS_LINK_RATE_MASK … #define NFP_NET_CFG_STS_LINK_RATE … #define NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED … #define NFP_NET_CFG_STS_LINK_RATE_UNKNOWN … #define NFP_NET_CFG_STS_LINK_RATE_1G … #define NFP_NET_CFG_STS_LINK_RATE_10G … #define NFP_NET_CFG_STS_LINK_RATE_25G … #define NFP_NET_CFG_STS_LINK_RATE_40G … #define NFP_NET_CFG_STS_LINK_RATE_50G … #define NFP_NET_CFG_STS_LINK_RATE_100G … /* NSP Link rate is a 16-bit word. It's determined by NSP and * written to CFG BAR by NFP driver. */ #define NFP_NET_CFG_STS_NSP_LINK_RATE … #define NFP_NET_CFG_CAP … #define NFP_NET_CFG_MAX_TXRINGS … #define NFP_NET_CFG_MAX_RXRINGS … #define NFP_NET_CFG_MAX_MTU … /* Next two words are being used by VFs for solving THB350 issue */ #define NFP_NET_CFG_START_TXQ … #define NFP_NET_CFG_START_RXQ … /* Prepend configuration */ #define NFP_NET_CFG_RX_OFFSET … #define NFP_NET_CFG_RX_OFFSET_DYNAMIC … /* RSS capabilities * %NFP_NET_CFG_RSS_CAP_HFUNC: supported hash functions (same bits as * %NFP_NET_CFG_RSS_HFUNC) */ #define NFP_NET_CFG_RSS_CAP … #define NFP_NET_CFG_RSS_CAP_HFUNC … /* TLV area start * %NFP_NET_CFG_TLV_BASE: start anchor of the TLV area */ #define NFP_NET_CFG_TLV_BASE … /* VXLAN/UDP encap configuration * %NFP_NET_CFG_VXLAN_PORT: Base address of table of tunnels' UDP dst ports * %NFP_NET_CFG_VXLAN_SZ: Size of the UDP port table in bytes */ #define NFP_NET_CFG_VXLAN_PORT … #define NFP_NET_CFG_VXLAN_SZ … /* BPF section * %NFP_NET_CFG_BPF_ABI: BPF ABI version * %NFP_NET_CFG_BPF_CAP: BPF capabilities * %NFP_NET_CFG_BPF_MAX_LEN: Maximum size of JITed BPF code in bytes * %NFP_NET_CFG_BPF_START: Offset at which BPF will be loaded * %NFP_NET_CFG_BPF_DONE: Offset to jump to on exit * %NFP_NET_CFG_BPF_STACK_SZ: Total size of stack area in 64B chunks * %NFP_NET_CFG_BPF_INL_MTU: Packet data split offset in 64B chunks * %NFP_NET_CFG_BPF_SIZE: Size of the JITed BPF code in instructions * %NFP_NET_CFG_BPF_ADDR: DMA address of the buffer with JITed BPF code */ #define NFP_NET_CFG_BPF_ABI … #define NFP_NET_CFG_BPF_CAP … #define NFP_NET_BPF_CAP_RELO … #define NFP_NET_CFG_BPF_MAX_LEN … #define NFP_NET_CFG_BPF_START … #define NFP_NET_CFG_BPF_DONE … #define NFP_NET_CFG_BPF_STACK_SZ … #define NFP_NET_CFG_BPF_INL_MTU … #define NFP_NET_CFG_BPF_SIZE … #define NFP_NET_CFG_BPF_ADDR … #define NFP_NET_CFG_BPF_CFG_8CTX … #define NFP_NET_CFG_BPF_CFG_MASK … #define NFP_NET_CFG_BPF_ADDR_MASK … /* 3 words reserved for extended ctrl words (0x0098 - 0x00a4) * 3 words reserved for extended cap words (0x00a4 - 0x00b0) * Currently only one word is used, can be extended in future. */ #define NFP_NET_CFG_CTRL_WORD1 … #define NFP_NET_CFG_CTRL_PKT_TYPE … #define NFP_NET_CFG_CTRL_IPSEC … #define NFP_NET_CFG_CTRL_MCAST_FILTER … #define NFP_NET_CFG_CTRL_FREELIST_EN … #define NFP_NET_CFG_CTRL_FLOW_STEER … #define NFP_NET_CFG_CTRL_USO … #define NFP_NET_CFG_CAP_WORD1 … /* 16B reserved for future use (0x00b0 - 0x00c0) */ #define NFP_NET_CFG_RESERVED … #define NFP_NET_CFG_RESERVED_SZ … /* RSS configuration (0x0100 - 0x01ac): * Used only when NFP_NET_CFG_CTRL_RSS is enabled * %NFP_NET_CFG_RSS_CFG: RSS configuration word * %NFP_NET_CFG_RSS_KEY: RSS "secret" key * %NFP_NET_CFG_RSS_ITBL: RSS indirection table */ #define NFP_NET_CFG_RSS_BASE … #define NFP_NET_CFG_RSS_CTRL … #define NFP_NET_CFG_RSS_MASK … #define NFP_NET_CFG_RSS_MASK_of(_x) … #define NFP_NET_CFG_RSS_IPV4 … #define NFP_NET_CFG_RSS_IPV6 … #define NFP_NET_CFG_RSS_IPV4_TCP … #define NFP_NET_CFG_RSS_IPV4_UDP … #define NFP_NET_CFG_RSS_IPV6_TCP … #define NFP_NET_CFG_RSS_IPV6_UDP … #define NFP_NET_CFG_RSS_HFUNC … #define NFP_NET_CFG_RSS_TOEPLITZ … #define NFP_NET_CFG_RSS_XOR … #define NFP_NET_CFG_RSS_CRC32 … #define NFP_NET_CFG_RSS_HFUNCS … #define NFP_NET_CFG_RSS_KEY … #define NFP_NET_CFG_RSS_KEY_SZ … #define NFP_NET_CFG_RSS_ITBL … #define NFP_NET_CFG_RSS_ITBL_SZ … /* TX ring configuration (0x200 - 0x800) * %NFP_NET_CFG_TXR_BASE: Base offset for TX ring configuration * %NFP_NET_CFG_TXR_ADDR: Per TX ring DMA address (8B entries) * %NFP_NET_CFG_TXR_WB_ADDR: Per TX ring write back DMA address (8B entries) * %NFP_NET_CFG_TXR_SZ: Per TX ring ring size (1B entries) * %NFP_NET_CFG_TXR_VEC: Per TX ring MSI-X table entry (1B entries) * %NFP_NET_CFG_TXR_PRIO: Per TX ring priority (1B entries) * %NFP_NET_CFG_TXR_IRQ_MOD: Per TX ring interrupt moderation packet */ #define NFP_NET_CFG_TXR_BASE … #define NFP_NET_CFG_TXR_ADDR(_x) … #define NFP_NET_CFG_TXR_WB_ADDR(_x) … #define NFP_NET_CFG_TXR_SZ(_x) … #define NFP_NET_CFG_TXR_VEC(_x) … #define NFP_NET_CFG_TXR_PRIO(_x) … #define NFP_NET_CFG_TXR_IRQ_MOD(_x) … /* RX ring configuration (0x0800 - 0x0c00) * %NFP_NET_CFG_RXR_BASE: Base offset for RX ring configuration * %NFP_NET_CFG_RXR_ADDR: Per RX ring DMA address (8B entries) * %NFP_NET_CFG_RXR_SZ: Per RX ring ring size (1B entries) * %NFP_NET_CFG_RXR_VEC: Per RX ring MSI-X table entry (1B entries) * %NFP_NET_CFG_RXR_PRIO: Per RX ring priority (1B entries) * %NFP_NET_CFG_RXR_IRQ_MOD: Per RX ring interrupt moderation (4B entries) */ #define NFP_NET_CFG_RXR_BASE … #define NFP_NET_CFG_RXR_ADDR(_x) … #define NFP_NET_CFG_RXR_SZ(_x) … #define NFP_NET_CFG_RXR_VEC(_x) … #define NFP_NET_CFG_RXR_PRIO(_x) … #define NFP_NET_CFG_RXR_IRQ_MOD(_x) … /* Interrupt Control/Cause registers (0x0c00 - 0x0d00) * These registers are only used when MSI-X auto-masking is not * enabled (%NFP_NET_CFG_CTRL_MSIXAUTO not set). The array is index * by MSI-X entry and are 1B in size. If an entry is zero, the * corresponding entry is enabled. If the FW generates an interrupt, * it writes a cause into the corresponding field. This also masks * the MSI-X entry and the host driver must clear the register to * re-enable the interrupt. */ #define NFP_NET_CFG_ICR_BASE … #define NFP_NET_CFG_ICR(_x) … #define NFP_NET_CFG_ICR_UNMASKED … #define NFP_NET_CFG_ICR_RXTX … #define NFP_NET_CFG_ICR_LSC … /* General device stats (0x0d00 - 0x0d90) * all counters are 64bit. */ #define NFP_NET_CFG_STATS_BASE … #define NFP_NET_CFG_STATS_RX_DISCARDS … #define NFP_NET_CFG_STATS_RX_ERRORS … #define NFP_NET_CFG_STATS_RX_OCTETS … #define NFP_NET_CFG_STATS_RX_UC_OCTETS … #define NFP_NET_CFG_STATS_RX_MC_OCTETS … #define NFP_NET_CFG_STATS_RX_BC_OCTETS … #define NFP_NET_CFG_STATS_RX_FRAMES … #define NFP_NET_CFG_STATS_RX_MC_FRAMES … #define NFP_NET_CFG_STATS_RX_BC_FRAMES … #define NFP_NET_CFG_STATS_TX_DISCARDS … #define NFP_NET_CFG_STATS_TX_ERRORS … #define NFP_NET_CFG_STATS_TX_OCTETS … #define NFP_NET_CFG_STATS_TX_UC_OCTETS … #define NFP_NET_CFG_STATS_TX_MC_OCTETS … #define NFP_NET_CFG_STATS_TX_BC_OCTETS … #define NFP_NET_CFG_STATS_TX_FRAMES … #define NFP_NET_CFG_STATS_TX_MC_FRAMES … #define NFP_NET_CFG_STATS_TX_BC_FRAMES … #define NFP_NET_CFG_STATS_APP0_FRAMES … #define NFP_NET_CFG_STATS_APP0_BYTES … #define NFP_NET_CFG_STATS_APP1_FRAMES … #define NFP_NET_CFG_STATS_APP1_BYTES … #define NFP_NET_CFG_STATS_APP2_FRAMES … #define NFP_NET_CFG_STATS_APP2_BYTES … #define NFP_NET_CFG_STATS_APP3_FRAMES … #define NFP_NET_CFG_STATS_APP3_BYTES … /* Per ring stats (0x1000 - 0x1800) * options, 64bit per entry * %NFP_NET_CFG_TXR_STATS: TX ring statistics (Packet and Byte count) * %NFP_NET_CFG_RXR_STATS: RX ring statistics (Packet and Byte count) */ #define NFP_NET_CFG_TXR_STATS_BASE … #define NFP_NET_CFG_TXR_STATS(_x) … #define NFP_NET_CFG_RXR_STATS_BASE … #define NFP_NET_CFG_RXR_STATS(_x) … /* General use mailbox area (0x1800 - 0x19ff) * 4B used for update command and 4B return code * followed by a max of 504B of variable length value */ #define NFP_NET_CFG_MBOX_BASE … #define NFP_NET_CFG_MBOX_VAL_MAX_SZ … #define NFP_NET_CFG_MBOX_SIMPLE_CMD … #define NFP_NET_CFG_MBOX_SIMPLE_RET … #define NFP_NET_CFG_MBOX_SIMPLE_VAL … #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD … #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL … #define NFP_NET_CFG_MBOX_CMD_IPSEC … #define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET … #define NFP_NET_CFG_MBOX_CMD_TLV_CMSG … #define NFP_NET_CFG_MBOX_CMD_DCB_UPDATE … #define NFP_NET_CFG_MBOX_CMD_MULTICAST_ADD … #define NFP_NET_CFG_MBOX_CMD_MULTICAST_DEL … #define NFP_NET_CFG_MBOX_CMD_FLOW_STEER … /* VLAN filtering using general use mailbox * %NFP_NET_CFG_VLAN_FILTER: Base address of VLAN filter mailbox * %NFP_NET_CFG_VLAN_FILTER_VID: VLAN ID to filter * %NFP_NET_CFG_VLAN_FILTER_PROTO: VLAN proto to filter * %NFP_NET_CFG_VXLAN_SZ: Size of the VLAN filter mailbox in bytes */ #define NFP_NET_CFG_VLAN_FILTER … #define NFP_NET_CFG_VLAN_FILTER_VID … #define NFP_NET_CFG_VLAN_FILTER_PROTO … #define NFP_NET_CFG_VLAN_FILTER_SZ … /* Multicast filtering using general use mailbox * %NFP_NET_CFG_MULTICAST: Base address of Multicast filter mailbox * %NFP_NET_CFG_MULTICAST_MAC_HI: High 32-bits of Multicast MAC address * %NFP_NET_CFG_MULTICAST_MAC_LO: Low 16-bits of Multicast MAC address * %NFP_NET_CFG_MULTICAST_SZ: Size of the Multicast filter mailbox in bytes */ #define NFP_NET_CFG_MULTICAST … #define NFP_NET_CFG_MULTICAST_MAC_HI … #define NFP_NET_CFG_MULTICAST_MAC_LO … #define NFP_NET_CFG_MULTICAST_SZ … /* Max size of FS rules in bytes */ #define NFP_NET_CFG_FS_SZ … /* Sub commands for FS */ enum { … }; /* TLV capabilities * %NFP_NET_CFG_TLV_TYPE: Offset of type within the TLV * %NFP_NET_CFG_TLV_TYPE_REQUIRED: Driver must be able to parse the TLV * %NFP_NET_CFG_TLV_LENGTH: Offset of length within the TLV * %NFP_NET_CFG_TLV_LENGTH_INC: TLV length increments * %NFP_NET_CFG_TLV_VALUE: Offset of value with the TLV * * List of simple TLV structures, first one starts at %NFP_NET_CFG_TLV_BASE. * Last structure must be of type %NFP_NET_CFG_TLV_TYPE_END. Presence of TLVs * is indicated by %NFP_NET_CFG_TLV_BASE being non-zero. TLV structures may * fill the entire remainder of the BAR or be shorter. FW must make sure TLVs * don't conflict with other features which allocate space beyond * %NFP_NET_CFG_TLV_BASE. %NFP_NET_CFG_TLV_TYPE_RESERVED should be used to wrap * space used by such features. * Note that the 4 byte TLV header is not counted in %NFP_NET_CFG_TLV_LENGTH. */ #define NFP_NET_CFG_TLV_TYPE … #define NFP_NET_CFG_TLV_TYPE_REQUIRED … #define NFP_NET_CFG_TLV_LENGTH … #define NFP_NET_CFG_TLV_LENGTH_INC … #define NFP_NET_CFG_TLV_VALUE … #define NFP_NET_CFG_TLV_HEADER_REQUIRED … #define NFP_NET_CFG_TLV_HEADER_TYPE … #define NFP_NET_CFG_TLV_HEADER_LENGTH … /* Capability TLV types * * %NFP_NET_CFG_TLV_TYPE_UNKNOWN: * Special TLV type to catch bugs, should never be encountered. Drivers should * treat encountering this type as error and refuse to probe. * * %NFP_NET_CFG_TLV_TYPE_RESERVED: * Reserved space, may contain legacy fixed-offset fields, or be used for * padding. The use of this type should be otherwise avoided. * * %NFP_NET_CFG_TLV_TYPE_END: * Empty, end of TLV list. Must be the last TLV. Drivers will stop processing * further TLVs when encountered. * * %NFP_NET_CFG_TLV_TYPE_ME_FREQ: * Single word, ME frequency in MHz as used in calculation for * %NFP_NET_CFG_RXR_IRQ_MOD and %NFP_NET_CFG_TXR_IRQ_MOD. * * %NFP_NET_CFG_TLV_TYPE_MBOX: * Variable, mailbox area. Overwrites the default location which is * %NFP_NET_CFG_MBOX_BASE and length %NFP_NET_CFG_MBOX_VAL_MAX_SZ. * * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0: * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1: * Variable, experimental IDs. IDs designated for internal development and * experiments before a stable TLV ID has been allocated to a feature. Should * never be present in production firmware. * * %NFP_NET_CFG_TLV_TYPE_REPR_CAP: * Single word, equivalent of %NFP_NET_CFG_CAP for representors, features which * can be used on representors. * * %NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES: * Variable, bitmap of control message types supported by the mailbox handler. * Bit 0 corresponds to message type 0, bit 1 to 1, etc. Control messages are * encapsulated into simple TLVs, with an end TLV and written to the Mailbox. * * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: * 8 words, bitmaps of supported and enabled crypto operations. * First 16B (4 words) contains a bitmap of supported crypto operations, * and next 16B contain the enabled operations. * This capability is made obsolete by ones with better sync methods. * * %NFP_NET_CFG_TLV_TYPE_VNIC_STATS: * Variable, per-vNIC statistics, data should be 8B aligned (FW should insert * zero-length RESERVED TLV to pad). * TLV data has two sections. First is an array of statistics' IDs (2B each). * Second 8B statistics themselves. Statistics are 8B aligned, meaning there * may be a padding between sections. * Number of statistics can be determined as floor(tlv.length / (2 + 8)). * This TLV overwrites %NFP_NET_CFG_STATS_* values (statistics in this TLV * duplicate the old ones, so driver should be careful not to unnecessarily * render both). * * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN: * Same as %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS, but crypto TLS does stream scan * RX sync, rather than kernel-assisted sync. */ #define NFP_NET_CFG_TLV_TYPE_UNKNOWN … #define NFP_NET_CFG_TLV_TYPE_RESERVED … #define NFP_NET_CFG_TLV_TYPE_END … #define NFP_NET_CFG_TLV_TYPE_ME_FREQ … #define NFP_NET_CFG_TLV_TYPE_MBOX … #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0 … #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1 … #define NFP_NET_CFG_TLV_TYPE_REPR_CAP … #define NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES … #define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS … #define NFP_NET_CFG_TLV_TYPE_VNIC_STATS … #define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN … struct device; /* struct nfp_net_tlv_caps - parsed control BAR TLV capabilities * @me_freq_mhz: ME clock_freq (MHz) * @mbox_off: vNIC mailbox area offset * @mbox_len: vNIC mailbox area length * @repr_cap: capabilities for representors * @mbox_cmsg_types: cmsgs which can be passed through the mailbox * @crypto_ops: supported crypto operations * @crypto_enable_off: offset of crypto ops enable region * @vnic_stats_off: offset of vNIC stats area * @vnic_stats_cnt: number of vNIC stats * @tls_resync_ss: TLS resync will be performed via stream scan */ struct nfp_net_tlv_caps { … }; int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, struct nfp_net_tlv_caps *caps); #endif /* _NFP_NET_CTRL_H_ */
Codebase Browser
linux