| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jakub Kiciński | 1030 | 92.38% | 18 | 75.00% |
| Pablo Cascón | 58 | 5.20% | 3 | 12.50% |
| Edwin Peer | 23 | 2.06% | 2 | 8.33% |
| Michael Rapson | 4 | 0.36% | 1 | 4.17% |
| Total | 1115 | 24 |
/* 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 <jakub.kicinski@netronome.com> * Jason McMullan <jason.mcmullan@netronome.com> * Rolf Neugebauer <rolf.neugebauer@netronome.com> * Brad Petrus <brad.petrus@netronome.com> */ #ifndef _NFP_NET_CTRL_H_ #define _NFP_NET_CTRL_H_ #include <linux/types.h> /** * 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 (32 * 1024) /** * Offset in Freelist buffer where packet starts on RX */ #define NFP_NET_RX_OFFSET 32 /** * 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 255 #define NFP_NET_LSO_MAX_SEGS 64 /** * Prepend field types */ #define NFP_NET_META_FIELD_SIZE 4 #define NFP_NET_META_HASH 1 /* next field carries hash type */ #define NFP_NET_META_MARK 2 #define NFP_NET_META_PORTID 5 #define NFP_NET_META_CSUM 6 /* checksum complete type */ #define NFP_META_PORT_ID_CTRL ~0U /** * 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 /** * 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 64 #define NFP_NET_RXR_MAX 64 /** * 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 (version 1) */ #define NFP_NET_CFG_CTRL_CTAG_FILTER (0x1 << 11) /* VLAN CTAG filtering */ #define NFP_NET_CFG_CTRL_CMSG_DATA (0x1 << 12) /* RX cmsgs on data Qs */ #define NFP_NET_CFG_CTRL_RINGCFG (0x1 << 16) /* Ring runtime changes */ #define NFP_NET_CFG_CTRL_RSS (0x1 << 17) /* RSS (version 1) */ #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) /* VXLAN tunnel support */ #define NFP_NET_CFG_CTRL_NVGRE (0x1 << 25) /* NVGRE tunnel support */ #define NFP_NET_CFG_CTRL_BPF (0x1 << 27) /* BPF offload capable */ #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_CSUM_COMPLETE (0x1 << 30) /* Checksum complete */ #define NFP_NET_CFG_CTRL_LIVE_ADDR (0x1 << 31) /* live MAC addr change */ #define NFP_NET_CFG_CTRL_LSO_ANY (NFP_NET_CFG_CTRL_LSO | \ NFP_NET_CFG_CTRL_LSO2) #define NFP_NET_CFG_CTRL_RSS_ANY (NFP_NET_CFG_CTRL_RSS | \ NFP_NET_CFG_CTRL_RSS2) #define NFP_NET_CFG_CTRL_RXCSUM_ANY (NFP_NET_CFG_CTRL_RXCSUM | \ NFP_NET_CFG_CTRL_CSUM_COMPLETE) #define NFP_NET_CFG_CTRL_CHAIN_META (NFP_NET_CFG_CTRL_RSS2 | \ NFP_NET_CFG_CTRL_CSUM_COMPLETE) #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_BPF (0x1 << 10) /* BPF program load */ #define NFP_NET_CFG_UPDATE_MACADDR (0x1 << 11) /* MAC address change */ #define NFP_NET_CFG_UPDATE_MBOX (0x1 << 12) /* Mailbox update */ #define NFP_NET_CFG_UPDATE_VF (0x1 << 13) /* VF settings change */ #define NFP_NET_CFG_UPDATE_ERR (0x1 << 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 /** * 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 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 \ (NFP_NET_CFG_STS_LINK_RATE_MASK << NFP_NET_CFG_STS_LINK_RATE_SHIFT) #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 /** * Prepend configuration */ #define NFP_NET_CFG_RX_OFFSET 0x0050 #define NFP_NET_CFG_RX_OFFSET_DYNAMIC 0 /* Prepend mode */ /** * 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 0x0054 #define NFP_NET_CFG_RSS_CAP_HFUNC 0xff000000 /** * TLV area start * %NFP_NET_CFG_TLV_BASE: start anchor of the TLV area */ #define NFP_NET_CFG_TLV_BASE 0x0058 /** * 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 0x0060 #define NFP_NET_CFG_VXLAN_SZ 0x0008 /** * 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 0x0080 #define NFP_NET_CFG_BPF_CAP 0x0081 #define NFP_NET_BPF_CAP_RELO (1 << 0) /* seamless reload */ #define NFP_NET_CFG_BPF_MAX_LEN 0x0082 #define NFP_NET_CFG_BPF_START 0x0084 #define NFP_NET_CFG_BPF_DONE 0x0086 #define NFP_NET_CFG_BPF_STACK_SZ 0x0088 #define NFP_NET_CFG_BPF_INL_MTU 0x0089 #define NFP_NET_CFG_BPF_SIZE 0x008e #define NFP_NET_CFG_BPF_ADDR 0x0090 #define NFP_NET_CFG_BPF_CFG_8CTX (1 << 0) /* 8ctx mode */ #define NFP_NET_CFG_BPF_CFG_MASK 7ULL #define NFP_NET_CFG_BPF_ADDR_MASK (~NFP_NET_CFG_BPF_CFG_MASK) /** * 40B reserved for future use (0x0098 - 0x00c0) */ #define NFP_NET_CFG_RESERVED 0x0098 #define NFP_NET_CFG_RESERVED_SZ 0x0028 /** * 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_HFUNC 0xff000000 #define NFP_NET_CFG_RSS_TOEPLITZ (1 << 24) /* Use Toeplitz hash */ #define NFP_NET_CFG_RSS_XOR (1 << 25) /* Use XOR as hash */ #define NFP_NET_CFG_RSS_CRC32 (1 << 26) /* Use CRC32 as hash */ #define NFP_NET_CFG_RSS_HFUNCS 3 #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 packet */ #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 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 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) #define NFP_NET_CFG_STATS_APP0_FRAMES (NFP_NET_CFG_STATS_BASE + 0x90) #define NFP_NET_CFG_STATS_APP0_BYTES (NFP_NET_CFG_STATS_BASE + 0x98) #define NFP_NET_CFG_STATS_APP1_FRAMES (NFP_NET_CFG_STATS_BASE + 0xa0) #define NFP_NET_CFG_STATS_APP1_BYTES (NFP_NET_CFG_STATS_BASE + 0xa8) #define NFP_NET_CFG_STATS_APP2_FRAMES (NFP_NET_CFG_STATS_BASE + 0xb0) #define NFP_NET_CFG_STATS_APP2_BYTES (NFP_NET_CFG_STATS_BASE + 0xb8) #define NFP_NET_CFG_STATS_APP3_FRAMES (NFP_NET_CFG_STATS_BASE + 0xc0) #define NFP_NET_CFG_STATS_APP3_BYTES (NFP_NET_CFG_STATS_BASE + 0xc8) /** * 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)) /** * 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 0x1800 #define NFP_NET_CFG_MBOX_VAL_MAX_SZ 0x1F8 #define NFP_NET_CFG_MBOX_SIMPLE_CMD 0x0 #define NFP_NET_CFG_MBOX_SIMPLE_RET 0x4 #define NFP_NET_CFG_MBOX_SIMPLE_VAL 0x8 #define NFP_NET_CFG_MBOX_SIMPLE_LEN 0x12 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD 1 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL 2 #define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET 5 /** * 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 NFP_NET_CFG_MBOX_SIMPLE_VAL #define NFP_NET_CFG_VLAN_FILTER_VID NFP_NET_CFG_VLAN_FILTER #define NFP_NET_CFG_VLAN_FILTER_PROTO (NFP_NET_CFG_VLAN_FILTER + 2) #define NFP_NET_CFG_VLAN_FILTER_SZ 0x0004 /** * 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 0x00 #define NFP_NET_CFG_TLV_TYPE_REQUIRED 0x8000 #define NFP_NET_CFG_TLV_LENGTH 0x02 #define NFP_NET_CFG_TLV_LENGTH_INC 4 #define NFP_NET_CFG_TLV_VALUE 0x04 #define NFP_NET_CFG_TLV_HEADER_REQUIRED 0x80000000 #define NFP_NET_CFG_TLV_HEADER_TYPE 0x7fff0000 #define NFP_NET_CFG_TLV_HEADER_LENGTH 0x0000ffff /** * 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. */ #define NFP_NET_CFG_TLV_TYPE_UNKNOWN 0 #define NFP_NET_CFG_TLV_TYPE_RESERVED 1 #define NFP_NET_CFG_TLV_TYPE_END 2 #define NFP_NET_CFG_TLV_TYPE_ME_FREQ 3 #define NFP_NET_CFG_TLV_TYPE_MBOX 4 #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0 5 #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1 6 #define NFP_NET_CFG_TLV_TYPE_REPR_CAP 7 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 */ struct nfp_net_tlv_caps { u32 me_freq_mhz; unsigned int mbox_off; unsigned int mbox_len; u32 repr_cap; }; int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, struct nfp_net_tlv_caps *caps); static inline bool nfp_net_has_mbox(struct nfp_net_tlv_caps *caps) { return caps->mbox_len >= NFP_NET_CFG_MBOX_SIMPLE_LEN; } #endif /* _NFP_NET_CTRL_H_ */
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