/* SPDX-License-Identifier: BSD-3-Clause * Copyright (c) 2014, 2015 Netronome Systems, Inc. * All rights reserved. */ /* * vim:shiftwidth=8:noexpandtab * * Netronome network device driver: Control BAR layout */ #ifndef _NFP_NET_CTRL_H_ #define _NFP_NET_CTRL_H_ /* * Configuration BAR size. * * The configuration BAR is 8K in size, but on the NFP6000, due to * THB-350, 32k needs to be reserved. */ #ifdef __NFP_IS_6000 #define NFP_NET_CFG_BAR_SZ (32 * 1024) #else #define NFP_NET_CFG_BAR_SZ (8 * 1024) #endif /* Offset in Freelist buffer where packet starts on RX */ #define NFP_NET_RX_OFFSET 32 /* working with metadata api (NFD version > 3.0) */ #define NFP_NET_META_FIELD_SIZE 4 #define NFP_NET_META_FIELD_MASK ((1 << NFP_NET_META_FIELD_SIZE) - 1) /* Prepend field types */ #define NFP_NET_META_HASH 1 /* next field carries hash type */ /* Hash type pre-pended when a RSS hash was computed */ #define NFP_NET_RSS_NONE 0 #define NFP_NET_RSS_IPV4 1 #define NFP_NET_RSS_IPV6 2 #define NFP_NET_RSS_IPV6_EX 3 #define NFP_NET_RSS_IPV4_TCP 4 #define NFP_NET_RSS_IPV6_TCP 5 #define NFP_NET_RSS_IPV6_EX_TCP 6 #define NFP_NET_RSS_IPV4_UDP 7 #define NFP_NET_RSS_IPV6_UDP 8 #define NFP_NET_RSS_IPV6_EX_UDP 9 /* * @NFP_NET_TXR_MAX: Maximum number of TX rings * @NFP_NET_TXR_MASK: Mask for TX rings * @NFP_NET_RXR_MAX: Maximum number of RX rings * @NFP_NET_RXR_MASK: Mask for RX rings */ #define NFP_NET_TXR_MAX 64 #define NFP_NET_TXR_MASK (NFP_NET_TXR_MAX - 1) #define NFP_NET_RXR_MAX 64 #define NFP_NET_RXR_MASK (NFP_NET_RXR_MAX - 1) /* * 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 0x0000 #define NFP_NET_CFG_CTRL_ENABLE (0x1 << 0) /* Global enable */ #define NFP_NET_CFG_CTRL_PROMISC (0x1 << 1) /* Enable Promisc mode */ #define NFP_NET_CFG_CTRL_L2BC (0x1 << 2) /* Allow L2 Broadcast */ #define NFP_NET_CFG_CTRL_L2MC (0x1 << 3) /* Allow L2 Multicast */ #define NFP_NET_CFG_CTRL_RXCSUM (0x1 << 4) /* Enable RX Checksum */ #define NFP_NET_CFG_CTRL_TXCSUM (0x1 << 5) /* Enable TX Checksum */ #define NFP_NET_CFG_CTRL_RXVLAN (0x1 << 6) /* Enable VLAN strip */ #define NFP_NET_CFG_CTRL_TXVLAN (0x1 << 7) /* Enable VLAN insert */ #define NFP_NET_CFG_CTRL_SCATTER (0x1 << 8) /* Scatter DMA */ #define NFP_NET_CFG_CTRL_GATHER (0x1 << 9) /* Gather DMA */ #define NFP_NET_CFG_CTRL_LSO (0x1 << 10) /* LSO/TSO */ #define NFP_NET_CFG_CTRL_RINGCFG (0x1 << 16) /* Ring runtime changes */ #define NFP_NET_CFG_CTRL_RSS (0x1 << 17) /* RSS */ #define NFP_NET_CFG_CTRL_IRQMOD (0x1 << 18) /* Interrupt moderation */ #define NFP_NET_CFG_CTRL_RINGPRIO (0x1 << 19) /* Ring priorities */ #define NFP_NET_CFG_CTRL_MSIXAUTO (0x1 << 20) /* MSI-X auto-masking */ #define NFP_NET_CFG_CTRL_TXRWB (0x1 << 21) /* Write-back of TX ring*/ #define NFP_NET_CFG_CTRL_L2SWITCH (0x1 << 22) /* L2 Switch */ #define NFP_NET_CFG_CTRL_L2SWITCH_LOCAL (0x1 << 23) /* Switch to local */ #define NFP_NET_CFG_CTRL_VXLAN (0x1 << 24) /* Enable VXLAN */ #define NFP_NET_CFG_CTRL_NVGRE (0x1 << 25) /* Enable NVGRE */ #define NFP_NET_CFG_CTRL_MSIX_TX_OFF (0x1 << 26) /* Disable MSIX for TX */ #define NFP_NET_CFG_CTRL_LSO2 (0x1 << 28) /* LSO/TSO (version 2) */ #define NFP_NET_CFG_CTRL_RSS2 (0x1 << 29) /* RSS (version 2) */ #define NFP_NET_CFG_CTRL_LIVE_ADDR (0x1U << 31)/* live MAC addr change */ #define NFP_NET_CFG_UPDATE 0x0004 #define NFP_NET_CFG_UPDATE_GEN (0x1 << 0) /* General update */ #define NFP_NET_CFG_UPDATE_RING (0x1 << 1) /* Ring config change */ #define NFP_NET_CFG_UPDATE_RSS (0x1 << 2) /* RSS config change */ #define NFP_NET_CFG_UPDATE_TXRPRIO (0x1 << 3) /* TX Ring prio change */ #define NFP_NET_CFG_UPDATE_RXRPRIO (0x1 << 4) /* RX Ring prio change */ #define NFP_NET_CFG_UPDATE_MSIX (0x1 << 5) /* MSI-X change */ #define NFP_NET_CFG_UPDATE_L2SWITCH (0x1 << 6) /* Switch changes */ #define NFP_NET_CFG_UPDATE_RESET (0x1 << 7) /* Update due to FLR */ #define NFP_NET_CFG_UPDATE_IRQMOD (0x1 << 8) /* IRQ mod change */ #define NFP_NET_CFG_UPDATE_VXLAN (0x1 << 9) /* VXLAN port change */ #define NFP_NET_CFG_UPDATE_MACADDR (0x1 << 11) /* MAC address change */ #define NFP_NET_CFG_UPDATE_ERR (0x1U << 31) /* A error occurred */ #define NFP_NET_CFG_TXRS_ENABLE 0x0008 #define NFP_NET_CFG_RXRS_ENABLE 0x0010 #define NFP_NET_CFG_MTU 0x0018 #define NFP_NET_CFG_FLBUFSZ 0x001c #define NFP_NET_CFG_EXN 0x001f #define NFP_NET_CFG_LSC 0x0020 #define NFP_NET_CFG_MACADDR 0x0024 #define NFP_NET_CFG_CTRL_LSO_ANY (NFP_NET_CFG_CTRL_LSO | NFP_NET_CFG_CTRL_LSO2) /* * 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_MAX_TXRINGS: Maximum number of TX rings * @NFP_NET_MAX_RXRINGS: Maximum number of RX rings * @NFP_NET_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 0x0030 #define NFP_NET_CFG_VERSION_RESERVED_MASK (0xff << 24) #define NFP_NET_CFG_VERSION_CLASS_MASK (0xff << 16) #define NFP_NET_CFG_VERSION_CLASS(x) (((x) & 0xff) << 16) #define NFP_NET_CFG_VERSION_CLASS_GENERIC 0 #define NFP_NET_CFG_VERSION_MAJOR_MASK (0xff << 8) #define NFP_NET_CFG_VERSION_MAJOR(x) (((x) & 0xff) << 8) #define NFP_NET_CFG_VERSION_MINOR_MASK (0xff << 0) #define NFP_NET_CFG_VERSION_MINOR(x) (((x) & 0xff) << 0) #define NFP_NET_CFG_STS 0x0034 #define NFP_NET_CFG_STS_LINK (0x1 << 0) /* Link up or down */ /* Link rate */ #define NFP_NET_CFG_STS_LINK_RATE_SHIFT 1 #define NFP_NET_CFG_STS_LINK_RATE_MASK 0xF #define NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED 0 #define NFP_NET_CFG_STS_LINK_RATE_UNKNOWN 1 #define NFP_NET_CFG_STS_LINK_RATE_1G 2 #define NFP_NET_CFG_STS_LINK_RATE_10G 3 #define NFP_NET_CFG_STS_LINK_RATE_25G 4 #define NFP_NET_CFG_STS_LINK_RATE_40G 5 #define NFP_NET_CFG_STS_LINK_RATE_50G 6 #define NFP_NET_CFG_STS_LINK_RATE_100G 7 #define NFP_NET_CFG_CAP 0x0038 #define NFP_NET_CFG_MAX_TXRINGS 0x003c #define NFP_NET_CFG_MAX_RXRINGS 0x0040 #define NFP_NET_CFG_MAX_MTU 0x0044 /* Next two words are being used by VFs for solving THB350 issue */ #define NFP_NET_CFG_START_TXQ 0x0048 #define NFP_NET_CFG_START_RXQ 0x004c /* * NFP-3200 workaround (0x0050 - 0x0058) * @NFP_NET_CFG_SPARE_ADDR: DMA address for ME code to use (e.g. YDS-155 fix) */ #define NFP_NET_CFG_SPARE_ADDR 0x0050 /** * NFP6000/NFP4000 - Prepend configuration */ #define NFP_NET_CFG_RX_OFFSET 0x0050 #define NFP_NET_CFG_RX_OFFSET_DYNAMIC 0 /* Prepend mode */ /** * Reuse spare address to contain the offset from the start of * the host buffer where the first byte of the received frame * will land. Any metadata will come prior to that offset. If the * value in this field is 0, it means that that the metadata will * always land starting at the first byte of the host buffer and * packet data will immediately follow the metadata. As always, * the RX descriptor indicates the presence or absence of metadata * along with the length thereof. */ #define NFP_NET_CFG_RX_OFFSET_ADDR 0x0050 #define NFP_NET_CFG_VXLAN_PORT 0x0060 #define NFP_NET_CFG_VXLAN_SZ 0x0008 /* Offload definitions */ #define NFP_NET_N_VXLAN_PORTS (NFP_NET_CFG_VXLAN_SZ / sizeof(uint16_t)) /** * 64B reserved for future use (0x0080 - 0x00c0) */ #define NFP_NET_CFG_RESERVED 0x0080 #define NFP_NET_CFG_RESERVED_SZ 0x0040 /* * 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 0x0100 #define NFP_NET_CFG_RSS_CTRL NFP_NET_CFG_RSS_BASE #define NFP_NET_CFG_RSS_MASK (0x7f) #define NFP_NET_CFG_RSS_MASK_of(_x) ((_x) & 0x7f) #define NFP_NET_CFG_RSS_IPV4 (1 << 8) /* RSS for IPv4 */ #define NFP_NET_CFG_RSS_IPV6 (1 << 9) /* RSS for IPv6 */ #define NFP_NET_CFG_RSS_IPV4_TCP (1 << 10) /* RSS for IPv4/TCP */ #define NFP_NET_CFG_RSS_IPV4_UDP (1 << 11) /* RSS for IPv4/UDP */ #define NFP_NET_CFG_RSS_IPV6_TCP (1 << 12) /* RSS for IPv6/TCP */ #define NFP_NET_CFG_RSS_IPV6_UDP (1 << 13) /* RSS for IPv6/UDP */ #define NFP_NET_CFG_RSS_TOEPLITZ (1 << 24) /* Use Toeplitz hash */ #define NFP_NET_CFG_RSS_KEY (NFP_NET_CFG_RSS_BASE + 0x4) #define NFP_NET_CFG_RSS_KEY_SZ 0x28 #define NFP_NET_CFG_RSS_ITBL (NFP_NET_CFG_RSS_BASE + 0x4 + \ NFP_NET_CFG_RSS_KEY_SZ) #define NFP_NET_CFG_RSS_ITBL_SZ 0x80 /* * 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 (4B entries) */ #define NFP_NET_CFG_TXR_BASE 0x0200 #define NFP_NET_CFG_TXR_ADDR(_x) (NFP_NET_CFG_TXR_BASE + ((_x) * 0x8)) #define NFP_NET_CFG_TXR_WB_ADDR(_x) (NFP_NET_CFG_TXR_BASE + 0x200 + \ ((_x) * 0x8)) #define NFP_NET_CFG_TXR_SZ(_x) (NFP_NET_CFG_TXR_BASE + 0x400 + (_x)) #define NFP_NET_CFG_TXR_VEC(_x) (NFP_NET_CFG_TXR_BASE + 0x440 + (_x)) #define NFP_NET_CFG_TXR_PRIO(_x) (NFP_NET_CFG_TXR_BASE + 0x480 + (_x)) #define NFP_NET_CFG_TXR_IRQ_MOD(_x) (NFP_NET_CFG_TXR_BASE + 0x500 + \ ((_x) * 0x4)) /* * RX ring configuration (0x0800 - 0x0c00) * @NFP_NET_CFG_RXR_BASE: Base offset for RX ring configuration * @NFP_NET_CFG_RXR_ADDR: Per TX ring DMA address (8B entries) * @NFP_NET_CFG_RXR_SZ: Per TX ring ring size (1B entries) * @NFP_NET_CFG_RXR_VEC: Per TX ring MSI-X table entry (1B entries) * @NFP_NET_CFG_RXR_PRIO: Per TX ring priority (1B entries) * @NFP_NET_CFG_RXR_IRQ_MOD: Per TX ring interrupt moderation (4B entries) */ #define NFP_NET_CFG_RXR_BASE 0x0800 #define NFP_NET_CFG_RXR_ADDR(_x) (NFP_NET_CFG_RXR_BASE + ((_x) * 0x8)) #define NFP_NET_CFG_RXR_SZ(_x) (NFP_NET_CFG_RXR_BASE + 0x200 + (_x)) #define NFP_NET_CFG_RXR_VEC(_x) (NFP_NET_CFG_RXR_BASE + 0x240 + (_x)) #define NFP_NET_CFG_RXR_PRIO(_x) (NFP_NET_CFG_RXR_BASE + 0x280 + (_x)) #define NFP_NET_CFG_RXR_IRQ_MOD(_x) (NFP_NET_CFG_RXR_BASE + 0x300 + \ ((_x) * 0x4)) /* * 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 0x0c00 #define NFP_NET_CFG_ICR(_x) (NFP_NET_CFG_ICR_BASE + (_x)) #define NFP_NET_CFG_ICR_UNMASKED 0x0 #define NFP_NET_CFG_ICR_RXTX 0x1 #define NFP_NET_CFG_ICR_LSC 0x2 /* * General device stats (0x0d00 - 0x0d90) * all counters are 64bit. */ #define NFP_NET_CFG_STATS_BASE 0x0d00 #define NFP_NET_CFG_STATS_RX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x00) #define NFP_NET_CFG_STATS_RX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x08) #define NFP_NET_CFG_STATS_RX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x10) #define NFP_NET_CFG_STATS_RX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x18) #define NFP_NET_CFG_STATS_RX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x20) #define NFP_NET_CFG_STATS_RX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x28) #define NFP_NET_CFG_STATS_RX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x30) #define NFP_NET_CFG_STATS_RX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x38) #define NFP_NET_CFG_STATS_RX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x40) #define NFP_NET_CFG_STATS_TX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x48) #define NFP_NET_CFG_STATS_TX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x50) #define NFP_NET_CFG_STATS_TX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x58) #define NFP_NET_CFG_STATS_TX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x60) #define NFP_NET_CFG_STATS_TX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x68) #define NFP_NET_CFG_STATS_TX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x70) #define NFP_NET_CFG_STATS_TX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x78) #define NFP_NET_CFG_STATS_TX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x80) #define NFP_NET_CFG_STATS_TX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x88) /* * 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 0x1000 #define NFP_NET_CFG_TXR_STATS(_x) (NFP_NET_CFG_TXR_STATS_BASE + \ ((_x) * 0x10)) #define NFP_NET_CFG_RXR_STATS_BASE 0x1400 #define NFP_NET_CFG_RXR_STATS(_x) (NFP_NET_CFG_RXR_STATS_BASE + \ ((_x) * 0x10)) /* PF multiport offset */ #define NFP_PF_CSR_SLICE_SIZE (32 * 1024) #endif /* _NFP_NET_CTRL_H_ */ /* * Local variables: * c-file-style: "Linux" * indent-tabs-mode: t * End: */