1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2/* Copyright (C) 2015-2018 Netronome Systems, Inc. */ 3 4/* nfp_net_ctrl.h 5 * Netronome network device driver: Control BAR layout 6 * Authors: Jakub Kicinski <jakub.kicinski@netronome.com> 7 * Jason McMullan <jason.mcmullan@netronome.com> 8 * Rolf Neugebauer <rolf.neugebauer@netronome.com> 9 * Brad Petrus <brad.petrus@netronome.com> 10 */ 11 12#ifndef _NFP_NET_CTRL_H_ 13#define _NFP_NET_CTRL_H_ 14 15#include <linux/types.h> 16 17/* 64-bit per app capabilities */ 18#define NFP_NET_APP_CAP_SP_INDIFF BIT_ULL(0) /* indifferent to port speed */ 19 20/* Configuration BAR size. 21 * 22 * The configuration BAR is 8K in size, but due to 23 * THB-350, 32k needs to be reserved. 24 */ 25#define NFP_NET_CFG_BAR_SZ (32 * 1024) 26 27/* Offset in Freelist buffer where packet starts on RX */ 28#define NFP_NET_RX_OFFSET 32 29 30/* LSO parameters 31 * %NFP_NET_LSO_MAX_HDR_SZ: Maximum header size supported for LSO frames 32 * %NFP_NET_LSO_MAX_SEGS: Maximum number of segments LSO frame can produce 33 */ 34#define NFP_NET_LSO_MAX_HDR_SZ 255 35#define NFP_NET_LSO_MAX_SEGS 64 36 37/* working with metadata vlan api (NFD version >= 2.0) */ 38#define NFP_NET_META_VLAN_STRIP BIT(31) 39#define NFP_NET_META_VLAN_TPID_MASK GENMASK(19, 16) 40#define NFP_NET_META_VLAN_TCI_MASK GENMASK(15, 0) 41 42/* Prepend field types */ 43#define NFP_NET_META_FIELD_SIZE 4 44#define NFP_NET_META_HASH 1 /* next field carries hash type */ 45#define NFP_NET_META_MARK 2 46#define NFP_NET_META_VLAN 4 /* ctag or stag type */ 47#define NFP_NET_META_PORTID 5 48#define NFP_NET_META_CSUM 6 /* checksum complete type */ 49#define NFP_NET_META_CONN_HANDLE 7 50#define NFP_NET_META_RESYNC_INFO 8 /* RX resync info request */ 51#define NFP_NET_META_IPSEC 9 /* IPsec SA index for tx and rx */ 52 53#define NFP_META_PORT_ID_CTRL ~0U 54 55/* Prepend field sizes */ 56#define NFP_NET_META_VLAN_SIZE 4 57#define NFP_NET_META_PORTID_SIZE 4 58#define NFP_NET_META_CONN_HANDLE_SIZE 8 59#define NFP_NET_META_IPSEC_SIZE 4 60#define NFP_NET_META_IPSEC_FIELD_SIZE 12 61/* Hash type pre-pended when a RSS hash was computed */ 62#define NFP_NET_RSS_NONE 0 63#define NFP_NET_RSS_IPV4 1 64#define NFP_NET_RSS_IPV6 2 65#define NFP_NET_RSS_IPV6_EX 3 66#define NFP_NET_RSS_IPV4_TCP 4 67#define NFP_NET_RSS_IPV6_TCP 5 68#define NFP_NET_RSS_IPV6_EX_TCP 6 69#define NFP_NET_RSS_IPV4_UDP 7 70#define NFP_NET_RSS_IPV6_UDP 8 71#define NFP_NET_RSS_IPV6_EX_UDP 9 72 73/* Ring counts 74 * %NFP_NET_TXR_MAX: Maximum number of TX rings 75 * %NFP_NET_RXR_MAX: Maximum number of RX rings 76 */ 77#define NFP_NET_TXR_MAX 64 78#define NFP_NET_RXR_MAX 64 79 80/* Read/Write config words (0x0000 - 0x002c) 81 * %NFP_NET_CFG_CTRL: Global control 82 * %NFP_NET_CFG_UPDATE: Indicate which fields are updated 83 * %NFP_NET_CFG_TXRS_ENABLE: Bitmask of enabled TX rings 84 * %NFP_NET_CFG_RXRS_ENABLE: Bitmask of enabled RX rings 85 * %NFP_NET_CFG_MTU: Set MTU size 86 * %NFP_NET_CFG_FLBUFSZ: Set freelist buffer size (must be larger than MTU) 87 * %NFP_NET_CFG_EXN: MSI-X table entry for exceptions 88 * %NFP_NET_CFG_LSC: MSI-X table entry for link state changes 89 * %NFP_NET_CFG_MACADDR: MAC address 90 * 91 * TODO: 92 * - define Error details in UPDATE 93 */ 94#define NFP_NET_CFG_CTRL 0x0000 95#define NFP_NET_CFG_CTRL_ENABLE (0x1 << 0) /* Global enable */ 96#define NFP_NET_CFG_CTRL_PROMISC (0x1 << 1) /* Enable Promisc mode */ 97#define NFP_NET_CFG_CTRL_L2BC (0x1 << 2) /* Allow L2 Broadcast */ 98#define NFP_NET_CFG_CTRL_L2MC (0x1 << 3) /* Allow L2 Multicast */ 99#define NFP_NET_CFG_CTRL_RXCSUM (0x1 << 4) /* Enable RX Checksum */ 100#define NFP_NET_CFG_CTRL_TXCSUM (0x1 << 5) /* Enable TX Checksum */ 101#define NFP_NET_CFG_CTRL_RXVLAN (0x1 << 6) /* Enable VLAN strip */ 102#define NFP_NET_CFG_CTRL_TXVLAN (0x1 << 7) /* Enable VLAN insert */ 103#define NFP_NET_CFG_CTRL_SCATTER (0x1 << 8) /* Scatter DMA */ 104#define NFP_NET_CFG_CTRL_GATHER (0x1 << 9) /* Gather DMA */ 105#define NFP_NET_CFG_CTRL_LSO (0x1 << 10) /* LSO/TSO (version 1) */ 106#define NFP_NET_CFG_CTRL_CTAG_FILTER (0x1 << 11) /* VLAN CTAG filtering */ 107#define NFP_NET_CFG_CTRL_CMSG_DATA (0x1 << 12) /* RX cmsgs on data Qs */ 108#define NFP_NET_CFG_CTRL_RXQINQ (0x1 << 13) /* Enable S-tag strip */ 109#define NFP_NET_CFG_CTRL_RXVLAN_V2 (0x1 << 15) /* Enable C-tag strip */ 110#define NFP_NET_CFG_CTRL_RINGCFG (0x1 << 16) /* Ring runtime changes */ 111#define NFP_NET_CFG_CTRL_RSS (0x1 << 17) /* RSS (version 1) */ 112#define NFP_NET_CFG_CTRL_IRQMOD (0x1 << 18) /* Interrupt moderation */ 113#define NFP_NET_CFG_CTRL_MSIXAUTO (0x1 << 20) /* MSI-X auto-masking */ 114#define NFP_NET_CFG_CTRL_TXRWB (0x1 << 21) /* Write-back of TX ring*/ 115#define NFP_NET_CFG_CTRL_VEPA (0x1 << 22) /* Enable VEPA mode */ 116#define NFP_NET_CFG_CTRL_TXVLAN_V2 (0x1 << 23) /* Enable VLAN C-tag insert*/ 117#define NFP_NET_CFG_CTRL_VXLAN (0x1 << 24) /* VXLAN tunnel support */ 118#define NFP_NET_CFG_CTRL_NVGRE (0x1 << 25) /* NVGRE tunnel support */ 119#define NFP_NET_CFG_CTRL_BPF (0x1 << 27) /* BPF offload capable */ 120#define NFP_NET_CFG_CTRL_LSO2 (0x1 << 28) /* LSO/TSO (version 2) */ 121#define NFP_NET_CFG_CTRL_RSS2 (0x1 << 29) /* RSS (version 2) */ 122#define NFP_NET_CFG_CTRL_CSUM_COMPLETE (0x1 << 30) /* Checksum complete */ 123#define NFP_NET_CFG_CTRL_LIVE_ADDR (0x1 << 31) /* live MAC addr change */ 124 125#define NFP_NET_CFG_CTRL_LSO_ANY (NFP_NET_CFG_CTRL_LSO | \ 126 NFP_NET_CFG_CTRL_LSO2) 127#define NFP_NET_CFG_CTRL_RSS_ANY (NFP_NET_CFG_CTRL_RSS | \ 128 NFP_NET_CFG_CTRL_RSS2) 129#define NFP_NET_CFG_CTRL_RXCSUM_ANY (NFP_NET_CFG_CTRL_RXCSUM | \ 130 NFP_NET_CFG_CTRL_CSUM_COMPLETE) 131#define NFP_NET_CFG_CTRL_CHAIN_META (NFP_NET_CFG_CTRL_RSS2 | \ 132 NFP_NET_CFG_CTRL_CSUM_COMPLETE) 133#define NFP_NET_CFG_CTRL_RXVLAN_ANY (NFP_NET_CFG_CTRL_RXVLAN | \ 134 NFP_NET_CFG_CTRL_RXVLAN_V2) 135#define NFP_NET_CFG_CTRL_TXVLAN_ANY (NFP_NET_CFG_CTRL_TXVLAN | \ 136 NFP_NET_CFG_CTRL_TXVLAN_V2) 137 138#define NFP_NET_CFG_UPDATE 0x0004 139#define NFP_NET_CFG_UPDATE_GEN (0x1 << 0) /* General update */ 140#define NFP_NET_CFG_UPDATE_RING (0x1 << 1) /* Ring config change */ 141#define NFP_NET_CFG_UPDATE_RSS (0x1 << 2) /* RSS config change */ 142#define NFP_NET_CFG_UPDATE_TXRPRIO (0x1 << 3) /* TX Ring prio change */ 143#define NFP_NET_CFG_UPDATE_RXRPRIO (0x1 << 4) /* RX Ring prio change */ 144#define NFP_NET_CFG_UPDATE_MSIX (0x1 << 5) /* MSI-X change */ 145#define NFP_NET_CFG_UPDATE_RESET (0x1 << 7) /* Update due to FLR */ 146#define NFP_NET_CFG_UPDATE_IRQMOD (0x1 << 8) /* IRQ mod change */ 147#define NFP_NET_CFG_UPDATE_VXLAN (0x1 << 9) /* VXLAN port change */ 148#define NFP_NET_CFG_UPDATE_BPF (0x1 << 10) /* BPF program load */ 149#define NFP_NET_CFG_UPDATE_MACADDR (0x1 << 11) /* MAC address change */ 150#define NFP_NET_CFG_UPDATE_MBOX (0x1 << 12) /* Mailbox update */ 151#define NFP_NET_CFG_UPDATE_VF (0x1 << 13) /* VF settings change */ 152#define NFP_NET_CFG_UPDATE_CRYPTO (0x1 << 14) /* Crypto on/off */ 153#define NFP_NET_CFG_UPDATE_ERR (0x1 << 31) /* A error occurred */ 154#define NFP_NET_CFG_TXRS_ENABLE 0x0008 155#define NFP_NET_CFG_RXRS_ENABLE 0x0010 156#define NFP_NET_CFG_MTU 0x0018 157#define NFP_NET_CFG_FLBUFSZ 0x001c 158#define NFP_NET_CFG_EXN 0x001f 159#define NFP_NET_CFG_LSC 0x0020 160#define NFP_NET_CFG_MACADDR 0x0024 161 162/* Read-only words (0x0030 - 0x0050): 163 * %NFP_NET_CFG_VERSION: Firmware version number 164 * %NFP_NET_CFG_STS: Status 165 * %NFP_NET_CFG_CAP: Capabilities (same bits as %NFP_NET_CFG_CTRL) 166 * %NFP_NET_CFG_MAX_TXRINGS: Maximum number of TX rings 167 * %NFP_NET_CFG_MAX_RXRINGS: Maximum number of RX rings 168 * %NFP_NET_CFG_MAX_MTU: Maximum support MTU 169 * %NFP_NET_CFG_START_TXQ: Start Queue Control Queue to use for TX (PF only) 170 * %NFP_NET_CFG_START_RXQ: Start Queue Control Queue to use for RX (PF only) 171 * 172 * TODO: 173 * - define more STS bits 174 */ 175#define NFP_NET_CFG_VERSION 0x0030 176#define NFP_NET_CFG_VERSION_RESERVED_MASK (0xfe << 24) 177#define NFP_NET_CFG_VERSION_DP_NFD3 0 178#define NFP_NET_CFG_VERSION_DP_NFDK 1 179#define NFP_NET_CFG_VERSION_DP_MASK 1 180#define NFP_NET_CFG_VERSION_CLASS_MASK (0xff << 16) 181#define NFP_NET_CFG_VERSION_CLASS(x) (((x) & 0xff) << 16) 182#define NFP_NET_CFG_VERSION_CLASS_GENERIC 0 183#define NFP_NET_CFG_VERSION_MAJOR_MASK (0xff << 8) 184#define NFP_NET_CFG_VERSION_MAJOR(x) (((x) & 0xff) << 8) 185#define NFP_NET_CFG_VERSION_MINOR_MASK (0xff << 0) 186#define NFP_NET_CFG_VERSION_MINOR(x) (((x) & 0xff) << 0) 187#define NFP_NET_CFG_STS 0x0034 188#define NFP_NET_CFG_STS_LINK (0x1 << 0) /* Link up or down */ 189/* Link rate */ 190#define NFP_NET_CFG_STS_LINK_RATE_SHIFT 1 191#define NFP_NET_CFG_STS_LINK_RATE_MASK 0xF 192#define NFP_NET_CFG_STS_LINK_RATE \ 193 (NFP_NET_CFG_STS_LINK_RATE_MASK << NFP_NET_CFG_STS_LINK_RATE_SHIFT) 194#define NFP_NET_CFG_STS_LINK_RATE_UNSUPPORTED 0 195#define NFP_NET_CFG_STS_LINK_RATE_UNKNOWN 1 196#define NFP_NET_CFG_STS_LINK_RATE_1G 2 197#define NFP_NET_CFG_STS_LINK_RATE_10G 3 198#define NFP_NET_CFG_STS_LINK_RATE_25G 4 199#define NFP_NET_CFG_STS_LINK_RATE_40G 5 200#define NFP_NET_CFG_STS_LINK_RATE_50G 6 201#define NFP_NET_CFG_STS_LINK_RATE_100G 7 202/* NSP Link rate is a 16-bit word. It's determined by NSP and 203 * written to CFG BAR by NFP driver. 204 */ 205#define NFP_NET_CFG_STS_NSP_LINK_RATE 0x0036 206#define NFP_NET_CFG_CAP 0x0038 207#define NFP_NET_CFG_MAX_TXRINGS 0x003c 208#define NFP_NET_CFG_MAX_RXRINGS 0x0040 209#define NFP_NET_CFG_MAX_MTU 0x0044 210/* Next two words are being used by VFs for solving THB350 issue */ 211#define NFP_NET_CFG_START_TXQ 0x0048 212#define NFP_NET_CFG_START_RXQ 0x004c 213 214/* Prepend configuration 215 */ 216#define NFP_NET_CFG_RX_OFFSET 0x0050 217#define NFP_NET_CFG_RX_OFFSET_DYNAMIC 0 /* Prepend mode */ 218 219/* RSS capabilities 220 * %NFP_NET_CFG_RSS_CAP_HFUNC: supported hash functions (same bits as 221 * %NFP_NET_CFG_RSS_HFUNC) 222 */ 223#define NFP_NET_CFG_RSS_CAP 0x0054 224#define NFP_NET_CFG_RSS_CAP_HFUNC 0xff000000 225 226/* TLV area start 227 * %NFP_NET_CFG_TLV_BASE: start anchor of the TLV area 228 */ 229#define NFP_NET_CFG_TLV_BASE 0x0058 230 231/* VXLAN/UDP encap configuration 232 * %NFP_NET_CFG_VXLAN_PORT: Base address of table of tunnels' UDP dst ports 233 * %NFP_NET_CFG_VXLAN_SZ: Size of the UDP port table in bytes 234 */ 235#define NFP_NET_CFG_VXLAN_PORT 0x0060 236#define NFP_NET_CFG_VXLAN_SZ 0x0008 237 238/* BPF section 239 * %NFP_NET_CFG_BPF_ABI: BPF ABI version 240 * %NFP_NET_CFG_BPF_CAP: BPF capabilities 241 * %NFP_NET_CFG_BPF_MAX_LEN: Maximum size of JITed BPF code in bytes 242 * %NFP_NET_CFG_BPF_START: Offset at which BPF will be loaded 243 * %NFP_NET_CFG_BPF_DONE: Offset to jump to on exit 244 * %NFP_NET_CFG_BPF_STACK_SZ: Total size of stack area in 64B chunks 245 * %NFP_NET_CFG_BPF_INL_MTU: Packet data split offset in 64B chunks 246 * %NFP_NET_CFG_BPF_SIZE: Size of the JITed BPF code in instructions 247 * %NFP_NET_CFG_BPF_ADDR: DMA address of the buffer with JITed BPF code 248 */ 249#define NFP_NET_CFG_BPF_ABI 0x0080 250#define NFP_NET_CFG_BPF_CAP 0x0081 251#define NFP_NET_BPF_CAP_RELO (1 << 0) /* seamless reload */ 252#define NFP_NET_CFG_BPF_MAX_LEN 0x0082 253#define NFP_NET_CFG_BPF_START 0x0084 254#define NFP_NET_CFG_BPF_DONE 0x0086 255#define NFP_NET_CFG_BPF_STACK_SZ 0x0088 256#define NFP_NET_CFG_BPF_INL_MTU 0x0089 257#define NFP_NET_CFG_BPF_SIZE 0x008e 258#define NFP_NET_CFG_BPF_ADDR 0x0090 259#define NFP_NET_CFG_BPF_CFG_8CTX (1 << 0) /* 8ctx mode */ 260#define NFP_NET_CFG_BPF_CFG_MASK 7ULL 261#define NFP_NET_CFG_BPF_ADDR_MASK (~NFP_NET_CFG_BPF_CFG_MASK) 262 263/* 3 words reserved for extended ctrl words (0x0098 - 0x00a4) 264 * 3 words reserved for extended cap words (0x00a4 - 0x00b0) 265 * Currently only one word is used, can be extended in future. 266 */ 267#define NFP_NET_CFG_CTRL_WORD1 0x0098 268#define NFP_NET_CFG_CTRL_PKT_TYPE (0x1 << 0) /* Pkttype offload */ 269#define NFP_NET_CFG_CTRL_IPSEC (0x1 << 1) /* IPsec offload */ 270#define NFP_NET_CFG_CTRL_MCAST_FILTER (0x1 << 2) /* Multicast Filter */ 271#define NFP_NET_CFG_CTRL_FREELIST_EN (0x1 << 6) /* Freelist enable flag bit */ 272#define NFP_NET_CFG_CTRL_FLOW_STEER (0x1 << 8) /* Flow steering */ 273#define NFP_NET_CFG_CTRL_USO (0x1 << 16) /* UDP segmentation offload */ 274 275#define NFP_NET_CFG_CAP_WORD1 0x00a4 276 277/* 16B reserved for future use (0x00b0 - 0x00c0) */ 278#define NFP_NET_CFG_RESERVED 0x00b0 279#define NFP_NET_CFG_RESERVED_SZ 0x0010 280 281/* RSS configuration (0x0100 - 0x01ac): 282 * Used only when NFP_NET_CFG_CTRL_RSS is enabled 283 * %NFP_NET_CFG_RSS_CFG: RSS configuration word 284 * %NFP_NET_CFG_RSS_KEY: RSS "secret" key 285 * %NFP_NET_CFG_RSS_ITBL: RSS indirection table 286 */ 287#define NFP_NET_CFG_RSS_BASE 0x0100 288#define NFP_NET_CFG_RSS_CTRL NFP_NET_CFG_RSS_BASE 289#define NFP_NET_CFG_RSS_MASK (0x7f) 290#define NFP_NET_CFG_RSS_MASK_of(_x) ((_x) & 0x7f) 291#define NFP_NET_CFG_RSS_IPV4 (1 << 8) /* RSS for IPv4 */ 292#define NFP_NET_CFG_RSS_IPV6 (1 << 9) /* RSS for IPv6 */ 293#define NFP_NET_CFG_RSS_IPV4_TCP (1 << 10) /* RSS for IPv4/TCP */ 294#define NFP_NET_CFG_RSS_IPV4_UDP (1 << 11) /* RSS for IPv4/UDP */ 295#define NFP_NET_CFG_RSS_IPV6_TCP (1 << 12) /* RSS for IPv6/TCP */ 296#define NFP_NET_CFG_RSS_IPV6_UDP (1 << 13) /* RSS for IPv6/UDP */ 297#define NFP_NET_CFG_RSS_HFUNC 0xff000000 298#define NFP_NET_CFG_RSS_TOEPLITZ (1 << 24) /* Use Toeplitz hash */ 299#define NFP_NET_CFG_RSS_XOR (1 << 25) /* Use XOR as hash */ 300#define NFP_NET_CFG_RSS_CRC32 (1 << 26) /* Use CRC32 as hash */ 301#define NFP_NET_CFG_RSS_HFUNCS 3 302#define NFP_NET_CFG_RSS_KEY (NFP_NET_CFG_RSS_BASE + 0x4) 303#define NFP_NET_CFG_RSS_KEY_SZ 0x28 304#define NFP_NET_CFG_RSS_ITBL (NFP_NET_CFG_RSS_BASE + 0x4 + \ 305 NFP_NET_CFG_RSS_KEY_SZ) 306#define NFP_NET_CFG_RSS_ITBL_SZ 0x80 307 308/* TX ring configuration (0x200 - 0x800) 309 * %NFP_NET_CFG_TXR_BASE: Base offset for TX ring configuration 310 * %NFP_NET_CFG_TXR_ADDR: Per TX ring DMA address (8B entries) 311 * %NFP_NET_CFG_TXR_WB_ADDR: Per TX ring write back DMA address (8B entries) 312 * %NFP_NET_CFG_TXR_SZ: Per TX ring ring size (1B entries) 313 * %NFP_NET_CFG_TXR_VEC: Per TX ring MSI-X table entry (1B entries) 314 * %NFP_NET_CFG_TXR_PRIO: Per TX ring priority (1B entries) 315 * %NFP_NET_CFG_TXR_IRQ_MOD: Per TX ring interrupt moderation packet 316 */ 317#define NFP_NET_CFG_TXR_BASE 0x0200 318#define NFP_NET_CFG_TXR_ADDR(_x) (NFP_NET_CFG_TXR_BASE + ((_x) * 0x8)) 319#define NFP_NET_CFG_TXR_WB_ADDR(_x) (NFP_NET_CFG_TXR_BASE + 0x200 + \ 320 ((_x) * 0x8)) 321#define NFP_NET_CFG_TXR_SZ(_x) (NFP_NET_CFG_TXR_BASE + 0x400 + (_x)) 322#define NFP_NET_CFG_TXR_VEC(_x) (NFP_NET_CFG_TXR_BASE + 0x440 + (_x)) 323#define NFP_NET_CFG_TXR_PRIO(_x) (NFP_NET_CFG_TXR_BASE + 0x480 + (_x)) 324#define NFP_NET_CFG_TXR_IRQ_MOD(_x) (NFP_NET_CFG_TXR_BASE + 0x500 + \ 325 ((_x) * 0x4)) 326 327/* RX ring configuration (0x0800 - 0x0c00) 328 * %NFP_NET_CFG_RXR_BASE: Base offset for RX ring configuration 329 * %NFP_NET_CFG_RXR_ADDR: Per RX ring DMA address (8B entries) 330 * %NFP_NET_CFG_RXR_SZ: Per RX ring ring size (1B entries) 331 * %NFP_NET_CFG_RXR_VEC: Per RX ring MSI-X table entry (1B entries) 332 * %NFP_NET_CFG_RXR_PRIO: Per RX ring priority (1B entries) 333 * %NFP_NET_CFG_RXR_IRQ_MOD: Per RX ring interrupt moderation (4B entries) 334 */ 335#define NFP_NET_CFG_RXR_BASE 0x0800 336#define NFP_NET_CFG_RXR_ADDR(_x) (NFP_NET_CFG_RXR_BASE + ((_x) * 0x8)) 337#define NFP_NET_CFG_RXR_SZ(_x) (NFP_NET_CFG_RXR_BASE + 0x200 + (_x)) 338#define NFP_NET_CFG_RXR_VEC(_x) (NFP_NET_CFG_RXR_BASE + 0x240 + (_x)) 339#define NFP_NET_CFG_RXR_PRIO(_x) (NFP_NET_CFG_RXR_BASE + 0x280 + (_x)) 340#define NFP_NET_CFG_RXR_IRQ_MOD(_x) (NFP_NET_CFG_RXR_BASE + 0x300 + \ 341 ((_x) * 0x4)) 342 343/* Interrupt Control/Cause registers (0x0c00 - 0x0d00) 344 * These registers are only used when MSI-X auto-masking is not 345 * enabled (%NFP_NET_CFG_CTRL_MSIXAUTO not set). The array is index 346 * by MSI-X entry and are 1B in size. If an entry is zero, the 347 * corresponding entry is enabled. If the FW generates an interrupt, 348 * it writes a cause into the corresponding field. This also masks 349 * the MSI-X entry and the host driver must clear the register to 350 * re-enable the interrupt. 351 */ 352#define NFP_NET_CFG_ICR_BASE 0x0c00 353#define NFP_NET_CFG_ICR(_x) (NFP_NET_CFG_ICR_BASE + (_x)) 354#define NFP_NET_CFG_ICR_UNMASKED 0x0 355#define NFP_NET_CFG_ICR_RXTX 0x1 356#define NFP_NET_CFG_ICR_LSC 0x2 357 358/* General device stats (0x0d00 - 0x0d90) 359 * all counters are 64bit. 360 */ 361#define NFP_NET_CFG_STATS_BASE 0x0d00 362#define NFP_NET_CFG_STATS_RX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x00) 363#define NFP_NET_CFG_STATS_RX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x08) 364#define NFP_NET_CFG_STATS_RX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x10) 365#define NFP_NET_CFG_STATS_RX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x18) 366#define NFP_NET_CFG_STATS_RX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x20) 367#define NFP_NET_CFG_STATS_RX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x28) 368#define NFP_NET_CFG_STATS_RX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x30) 369#define NFP_NET_CFG_STATS_RX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x38) 370#define NFP_NET_CFG_STATS_RX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x40) 371 372#define NFP_NET_CFG_STATS_TX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x48) 373#define NFP_NET_CFG_STATS_TX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x50) 374#define NFP_NET_CFG_STATS_TX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x58) 375#define NFP_NET_CFG_STATS_TX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x60) 376#define NFP_NET_CFG_STATS_TX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x68) 377#define NFP_NET_CFG_STATS_TX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x70) 378#define NFP_NET_CFG_STATS_TX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x78) 379#define NFP_NET_CFG_STATS_TX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x80) 380#define NFP_NET_CFG_STATS_TX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x88) 381 382#define NFP_NET_CFG_STATS_APP0_FRAMES (NFP_NET_CFG_STATS_BASE + 0x90) 383#define NFP_NET_CFG_STATS_APP0_BYTES (NFP_NET_CFG_STATS_BASE + 0x98) 384#define NFP_NET_CFG_STATS_APP1_FRAMES (NFP_NET_CFG_STATS_BASE + 0xa0) 385#define NFP_NET_CFG_STATS_APP1_BYTES (NFP_NET_CFG_STATS_BASE + 0xa8) 386#define NFP_NET_CFG_STATS_APP2_FRAMES (NFP_NET_CFG_STATS_BASE + 0xb0) 387#define NFP_NET_CFG_STATS_APP2_BYTES (NFP_NET_CFG_STATS_BASE + 0xb8) 388#define NFP_NET_CFG_STATS_APP3_FRAMES (NFP_NET_CFG_STATS_BASE + 0xc0) 389#define NFP_NET_CFG_STATS_APP3_BYTES (NFP_NET_CFG_STATS_BASE + 0xc8) 390 391/* Per ring stats (0x1000 - 0x1800) 392 * options, 64bit per entry 393 * %NFP_NET_CFG_TXR_STATS: TX ring statistics (Packet and Byte count) 394 * %NFP_NET_CFG_RXR_STATS: RX ring statistics (Packet and Byte count) 395 */ 396#define NFP_NET_CFG_TXR_STATS_BASE 0x1000 397#define NFP_NET_CFG_TXR_STATS(_x) (NFP_NET_CFG_TXR_STATS_BASE + \ 398 ((_x) * 0x10)) 399#define NFP_NET_CFG_RXR_STATS_BASE 0x1400 400#define NFP_NET_CFG_RXR_STATS(_x) (NFP_NET_CFG_RXR_STATS_BASE + \ 401 ((_x) * 0x10)) 402 403/* General use mailbox area (0x1800 - 0x19ff) 404 * 4B used for update command and 4B return code 405 * followed by a max of 504B of variable length value 406 */ 407#define NFP_NET_CFG_MBOX_BASE 0x1800 408#define NFP_NET_CFG_MBOX_VAL_MAX_SZ 0x1F8 409#define NFP_NET_CFG_MBOX_SIMPLE_CMD 0x0 410#define NFP_NET_CFG_MBOX_SIMPLE_RET 0x4 411#define NFP_NET_CFG_MBOX_SIMPLE_VAL 0x8 412 413#define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD 1 414#define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL 2 415#define NFP_NET_CFG_MBOX_CMD_IPSEC 3 416#define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET 5 417#define NFP_NET_CFG_MBOX_CMD_TLV_CMSG 6 418#define NFP_NET_CFG_MBOX_CMD_DCB_UPDATE 7 419 420#define NFP_NET_CFG_MBOX_CMD_MULTICAST_ADD 8 421#define NFP_NET_CFG_MBOX_CMD_MULTICAST_DEL 9 422 423#define NFP_NET_CFG_MBOX_CMD_FLOW_STEER 10 424 425/* VLAN filtering using general use mailbox 426 * %NFP_NET_CFG_VLAN_FILTER: Base address of VLAN filter mailbox 427 * %NFP_NET_CFG_VLAN_FILTER_VID: VLAN ID to filter 428 * %NFP_NET_CFG_VLAN_FILTER_PROTO: VLAN proto to filter 429 * %NFP_NET_CFG_VXLAN_SZ: Size of the VLAN filter mailbox in bytes 430 */ 431#define NFP_NET_CFG_VLAN_FILTER NFP_NET_CFG_MBOX_SIMPLE_VAL 432#define NFP_NET_CFG_VLAN_FILTER_VID NFP_NET_CFG_VLAN_FILTER 433#define NFP_NET_CFG_VLAN_FILTER_PROTO (NFP_NET_CFG_VLAN_FILTER + 2) 434#define NFP_NET_CFG_VLAN_FILTER_SZ 0x0004 435 436/* Multicast filtering using general use mailbox 437 * %NFP_NET_CFG_MULTICAST: Base address of Multicast filter mailbox 438 * %NFP_NET_CFG_MULTICAST_MAC_HI: High 32-bits of Multicast MAC address 439 * %NFP_NET_CFG_MULTICAST_MAC_LO: Low 16-bits of Multicast MAC address 440 * %NFP_NET_CFG_MULTICAST_SZ: Size of the Multicast filter mailbox in bytes 441 */ 442#define NFP_NET_CFG_MULTICAST NFP_NET_CFG_MBOX_SIMPLE_VAL 443#define NFP_NET_CFG_MULTICAST_MAC_HI NFP_NET_CFG_MULTICAST 444#define NFP_NET_CFG_MULTICAST_MAC_LO (NFP_NET_CFG_MULTICAST + 6) 445#define NFP_NET_CFG_MULTICAST_SZ 0x0006 446 447/* Max size of FS rules in bytes */ 448#define NFP_NET_CFG_FS_SZ 0x0054 449/* Sub commands for FS */ 450enum { 451 NFP_NET_CFG_MBOX_CMD_FS_ADD_V4, 452 NFP_NET_CFG_MBOX_CMD_FS_DEL_V4, 453 NFP_NET_CFG_MBOX_CMD_FS_ADD_V6, 454 NFP_NET_CFG_MBOX_CMD_FS_DEL_V6, 455 NFP_NET_CFG_MBOX_CMD_FS_ADD_ETHTYPE, 456 NFP_NET_CFG_MBOX_CMD_FS_DEL_ETHTYPE, 457}; 458 459/* TLV capabilities 460 * %NFP_NET_CFG_TLV_TYPE: Offset of type within the TLV 461 * %NFP_NET_CFG_TLV_TYPE_REQUIRED: Driver must be able to parse the TLV 462 * %NFP_NET_CFG_TLV_LENGTH: Offset of length within the TLV 463 * %NFP_NET_CFG_TLV_LENGTH_INC: TLV length increments 464 * %NFP_NET_CFG_TLV_VALUE: Offset of value with the TLV 465 * 466 * List of simple TLV structures, first one starts at %NFP_NET_CFG_TLV_BASE. 467 * Last structure must be of type %NFP_NET_CFG_TLV_TYPE_END. Presence of TLVs 468 * is indicated by %NFP_NET_CFG_TLV_BASE being non-zero. TLV structures may 469 * fill the entire remainder of the BAR or be shorter. FW must make sure TLVs 470 * don't conflict with other features which allocate space beyond 471 * %NFP_NET_CFG_TLV_BASE. %NFP_NET_CFG_TLV_TYPE_RESERVED should be used to wrap 472 * space used by such features. 473 * Note that the 4 byte TLV header is not counted in %NFP_NET_CFG_TLV_LENGTH. 474 */ 475#define NFP_NET_CFG_TLV_TYPE 0x00 476#define NFP_NET_CFG_TLV_TYPE_REQUIRED 0x8000 477#define NFP_NET_CFG_TLV_LENGTH 0x02 478#define NFP_NET_CFG_TLV_LENGTH_INC 4 479#define NFP_NET_CFG_TLV_VALUE 0x04 480 481#define NFP_NET_CFG_TLV_HEADER_REQUIRED 0x80000000 482#define NFP_NET_CFG_TLV_HEADER_TYPE 0x7fff0000 483#define NFP_NET_CFG_TLV_HEADER_LENGTH 0x0000ffff 484 485/* Capability TLV types 486 * 487 * %NFP_NET_CFG_TLV_TYPE_UNKNOWN: 488 * Special TLV type to catch bugs, should never be encountered. Drivers should 489 * treat encountering this type as error and refuse to probe. 490 * 491 * %NFP_NET_CFG_TLV_TYPE_RESERVED: 492 * Reserved space, may contain legacy fixed-offset fields, or be used for 493 * padding. The use of this type should be otherwise avoided. 494 * 495 * %NFP_NET_CFG_TLV_TYPE_END: 496 * Empty, end of TLV list. Must be the last TLV. Drivers will stop processing 497 * further TLVs when encountered. 498 * 499 * %NFP_NET_CFG_TLV_TYPE_ME_FREQ: 500 * Single word, ME frequency in MHz as used in calculation for 501 * %NFP_NET_CFG_RXR_IRQ_MOD and %NFP_NET_CFG_TXR_IRQ_MOD. 502 * 503 * %NFP_NET_CFG_TLV_TYPE_MBOX: 504 * Variable, mailbox area. Overwrites the default location which is 505 * %NFP_NET_CFG_MBOX_BASE and length %NFP_NET_CFG_MBOX_VAL_MAX_SZ. 506 * 507 * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0: 508 * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1: 509 * Variable, experimental IDs. IDs designated for internal development and 510 * experiments before a stable TLV ID has been allocated to a feature. Should 511 * never be present in production firmware. 512 * 513 * %NFP_NET_CFG_TLV_TYPE_REPR_CAP: 514 * Single word, equivalent of %NFP_NET_CFG_CAP for representors, features which 515 * can be used on representors. 516 * 517 * %NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES: 518 * Variable, bitmap of control message types supported by the mailbox handler. 519 * Bit 0 corresponds to message type 0, bit 1 to 1, etc. Control messages are 520 * encapsulated into simple TLVs, with an end TLV and written to the Mailbox. 521 * 522 * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: 523 * 8 words, bitmaps of supported and enabled crypto operations. 524 * First 16B (4 words) contains a bitmap of supported crypto operations, 525 * and next 16B contain the enabled operations. 526 * This capability is made obsolete by ones with better sync methods. 527 * 528 * %NFP_NET_CFG_TLV_TYPE_VNIC_STATS: 529 * Variable, per-vNIC statistics, data should be 8B aligned (FW should insert 530 * zero-length RESERVED TLV to pad). 531 * TLV data has two sections. First is an array of statistics' IDs (2B each). 532 * Second 8B statistics themselves. Statistics are 8B aligned, meaning there 533 * may be a padding between sections. 534 * Number of statistics can be determined as floor(tlv.length / (2 + 8)). 535 * This TLV overwrites %NFP_NET_CFG_STATS_* values (statistics in this TLV 536 * duplicate the old ones, so driver should be careful not to unnecessarily 537 * render both). 538 * 539 * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN: 540 * Same as %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS, but crypto TLS does stream scan 541 * RX sync, rather than kernel-assisted sync. 542 */ 543#define NFP_NET_CFG_TLV_TYPE_UNKNOWN 0 544#define NFP_NET_CFG_TLV_TYPE_RESERVED 1 545#define NFP_NET_CFG_TLV_TYPE_END 2 546#define NFP_NET_CFG_TLV_TYPE_ME_FREQ 3 547#define NFP_NET_CFG_TLV_TYPE_MBOX 4 548#define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0 5 549#define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1 6 550#define NFP_NET_CFG_TLV_TYPE_REPR_CAP 7 551#define NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES 10 552#define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS 11 /* see crypto/fw.h */ 553#define NFP_NET_CFG_TLV_TYPE_VNIC_STATS 12 554#define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN 13 555 556struct device; 557 558/* struct nfp_net_tlv_caps - parsed control BAR TLV capabilities 559 * @me_freq_mhz: ME clock_freq (MHz) 560 * @mbox_off: vNIC mailbox area offset 561 * @mbox_len: vNIC mailbox area length 562 * @repr_cap: capabilities for representors 563 * @mbox_cmsg_types: cmsgs which can be passed through the mailbox 564 * @crypto_ops: supported crypto operations 565 * @crypto_enable_off: offset of crypto ops enable region 566 * @vnic_stats_off: offset of vNIC stats area 567 * @vnic_stats_cnt: number of vNIC stats 568 * @tls_resync_ss: TLS resync will be performed via stream scan 569 */ 570struct nfp_net_tlv_caps { 571 u32 me_freq_mhz; 572 unsigned int mbox_off; 573 unsigned int mbox_len; 574 u32 repr_cap; 575 u32 mbox_cmsg_types; 576 u32 crypto_ops; 577 unsigned int crypto_enable_off; 578 unsigned int vnic_stats_off; 579 unsigned int vnic_stats_cnt; 580 unsigned int tls_resync_ss:1; 581}; 582 583int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, 584 struct nfp_net_tlv_caps *caps); 585#endif /* _NFP_NET_CTRL_H_ */ 586