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 */ 271 272 #define NFP_NET_CFG_CAP_WORD1 0x00a4 273 274 /* 16B reserved for future use (0x00b0 - 0x00c0) */ 275 #define NFP_NET_CFG_RESERVED 0x00b0 276 #define NFP_NET_CFG_RESERVED_SZ 0x0010 277 278 /* RSS configuration (0x0100 - 0x01ac): 279 * Used only when NFP_NET_CFG_CTRL_RSS is enabled 280 * %NFP_NET_CFG_RSS_CFG: RSS configuration word 281 * %NFP_NET_CFG_RSS_KEY: RSS "secret" key 282 * %NFP_NET_CFG_RSS_ITBL: RSS indirection table 283 */ 284 #define NFP_NET_CFG_RSS_BASE 0x0100 285 #define NFP_NET_CFG_RSS_CTRL NFP_NET_CFG_RSS_BASE 286 #define NFP_NET_CFG_RSS_MASK (0x7f) 287 #define NFP_NET_CFG_RSS_MASK_of(_x) ((_x) & 0x7f) 288 #define NFP_NET_CFG_RSS_IPV4 (1 << 8) /* RSS for IPv4 */ 289 #define NFP_NET_CFG_RSS_IPV6 (1 << 9) /* RSS for IPv6 */ 290 #define NFP_NET_CFG_RSS_IPV4_TCP (1 << 10) /* RSS for IPv4/TCP */ 291 #define NFP_NET_CFG_RSS_IPV4_UDP (1 << 11) /* RSS for IPv4/UDP */ 292 #define NFP_NET_CFG_RSS_IPV6_TCP (1 << 12) /* RSS for IPv6/TCP */ 293 #define NFP_NET_CFG_RSS_IPV6_UDP (1 << 13) /* RSS for IPv6/UDP */ 294 #define NFP_NET_CFG_RSS_HFUNC 0xff000000 295 #define NFP_NET_CFG_RSS_TOEPLITZ (1 << 24) /* Use Toeplitz hash */ 296 #define NFP_NET_CFG_RSS_XOR (1 << 25) /* Use XOR as hash */ 297 #define NFP_NET_CFG_RSS_CRC32 (1 << 26) /* Use CRC32 as hash */ 298 #define NFP_NET_CFG_RSS_HFUNCS 3 299 #define NFP_NET_CFG_RSS_KEY (NFP_NET_CFG_RSS_BASE + 0x4) 300 #define NFP_NET_CFG_RSS_KEY_SZ 0x28 301 #define NFP_NET_CFG_RSS_ITBL (NFP_NET_CFG_RSS_BASE + 0x4 + \ 302 NFP_NET_CFG_RSS_KEY_SZ) 303 #define NFP_NET_CFG_RSS_ITBL_SZ 0x80 304 305 /* TX ring configuration (0x200 - 0x800) 306 * %NFP_NET_CFG_TXR_BASE: Base offset for TX ring configuration 307 * %NFP_NET_CFG_TXR_ADDR: Per TX ring DMA address (8B entries) 308 * %NFP_NET_CFG_TXR_WB_ADDR: Per TX ring write back DMA address (8B entries) 309 * %NFP_NET_CFG_TXR_SZ: Per TX ring ring size (1B entries) 310 * %NFP_NET_CFG_TXR_VEC: Per TX ring MSI-X table entry (1B entries) 311 * %NFP_NET_CFG_TXR_PRIO: Per TX ring priority (1B entries) 312 * %NFP_NET_CFG_TXR_IRQ_MOD: Per TX ring interrupt moderation packet 313 */ 314 #define NFP_NET_CFG_TXR_BASE 0x0200 315 #define NFP_NET_CFG_TXR_ADDR(_x) (NFP_NET_CFG_TXR_BASE + ((_x) * 0x8)) 316 #define NFP_NET_CFG_TXR_WB_ADDR(_x) (NFP_NET_CFG_TXR_BASE + 0x200 + \ 317 ((_x) * 0x8)) 318 #define NFP_NET_CFG_TXR_SZ(_x) (NFP_NET_CFG_TXR_BASE + 0x400 + (_x)) 319 #define NFP_NET_CFG_TXR_VEC(_x) (NFP_NET_CFG_TXR_BASE + 0x440 + (_x)) 320 #define NFP_NET_CFG_TXR_PRIO(_x) (NFP_NET_CFG_TXR_BASE + 0x480 + (_x)) 321 #define NFP_NET_CFG_TXR_IRQ_MOD(_x) (NFP_NET_CFG_TXR_BASE + 0x500 + \ 322 ((_x) * 0x4)) 323 324 /* RX ring configuration (0x0800 - 0x0c00) 325 * %NFP_NET_CFG_RXR_BASE: Base offset for RX ring configuration 326 * %NFP_NET_CFG_RXR_ADDR: Per RX ring DMA address (8B entries) 327 * %NFP_NET_CFG_RXR_SZ: Per RX ring ring size (1B entries) 328 * %NFP_NET_CFG_RXR_VEC: Per RX ring MSI-X table entry (1B entries) 329 * %NFP_NET_CFG_RXR_PRIO: Per RX ring priority (1B entries) 330 * %NFP_NET_CFG_RXR_IRQ_MOD: Per RX ring interrupt moderation (4B entries) 331 */ 332 #define NFP_NET_CFG_RXR_BASE 0x0800 333 #define NFP_NET_CFG_RXR_ADDR(_x) (NFP_NET_CFG_RXR_BASE + ((_x) * 0x8)) 334 #define NFP_NET_CFG_RXR_SZ(_x) (NFP_NET_CFG_RXR_BASE + 0x200 + (_x)) 335 #define NFP_NET_CFG_RXR_VEC(_x) (NFP_NET_CFG_RXR_BASE + 0x240 + (_x)) 336 #define NFP_NET_CFG_RXR_PRIO(_x) (NFP_NET_CFG_RXR_BASE + 0x280 + (_x)) 337 #define NFP_NET_CFG_RXR_IRQ_MOD(_x) (NFP_NET_CFG_RXR_BASE + 0x300 + \ 338 ((_x) * 0x4)) 339 340 /* Interrupt Control/Cause registers (0x0c00 - 0x0d00) 341 * These registers are only used when MSI-X auto-masking is not 342 * enabled (%NFP_NET_CFG_CTRL_MSIXAUTO not set). The array is index 343 * by MSI-X entry and are 1B in size. If an entry is zero, the 344 * corresponding entry is enabled. If the FW generates an interrupt, 345 * it writes a cause into the corresponding field. This also masks 346 * the MSI-X entry and the host driver must clear the register to 347 * re-enable the interrupt. 348 */ 349 #define NFP_NET_CFG_ICR_BASE 0x0c00 350 #define NFP_NET_CFG_ICR(_x) (NFP_NET_CFG_ICR_BASE + (_x)) 351 #define NFP_NET_CFG_ICR_UNMASKED 0x0 352 #define NFP_NET_CFG_ICR_RXTX 0x1 353 #define NFP_NET_CFG_ICR_LSC 0x2 354 355 /* General device stats (0x0d00 - 0x0d90) 356 * all counters are 64bit. 357 */ 358 #define NFP_NET_CFG_STATS_BASE 0x0d00 359 #define NFP_NET_CFG_STATS_RX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x00) 360 #define NFP_NET_CFG_STATS_RX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x08) 361 #define NFP_NET_CFG_STATS_RX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x10) 362 #define NFP_NET_CFG_STATS_RX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x18) 363 #define NFP_NET_CFG_STATS_RX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x20) 364 #define NFP_NET_CFG_STATS_RX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x28) 365 #define NFP_NET_CFG_STATS_RX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x30) 366 #define NFP_NET_CFG_STATS_RX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x38) 367 #define NFP_NET_CFG_STATS_RX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x40) 368 369 #define NFP_NET_CFG_STATS_TX_DISCARDS (NFP_NET_CFG_STATS_BASE + 0x48) 370 #define NFP_NET_CFG_STATS_TX_ERRORS (NFP_NET_CFG_STATS_BASE + 0x50) 371 #define NFP_NET_CFG_STATS_TX_OCTETS (NFP_NET_CFG_STATS_BASE + 0x58) 372 #define NFP_NET_CFG_STATS_TX_UC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x60) 373 #define NFP_NET_CFG_STATS_TX_MC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x68) 374 #define NFP_NET_CFG_STATS_TX_BC_OCTETS (NFP_NET_CFG_STATS_BASE + 0x70) 375 #define NFP_NET_CFG_STATS_TX_FRAMES (NFP_NET_CFG_STATS_BASE + 0x78) 376 #define NFP_NET_CFG_STATS_TX_MC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x80) 377 #define NFP_NET_CFG_STATS_TX_BC_FRAMES (NFP_NET_CFG_STATS_BASE + 0x88) 378 379 #define NFP_NET_CFG_STATS_APP0_FRAMES (NFP_NET_CFG_STATS_BASE + 0x90) 380 #define NFP_NET_CFG_STATS_APP0_BYTES (NFP_NET_CFG_STATS_BASE + 0x98) 381 #define NFP_NET_CFG_STATS_APP1_FRAMES (NFP_NET_CFG_STATS_BASE + 0xa0) 382 #define NFP_NET_CFG_STATS_APP1_BYTES (NFP_NET_CFG_STATS_BASE + 0xa8) 383 #define NFP_NET_CFG_STATS_APP2_FRAMES (NFP_NET_CFG_STATS_BASE + 0xb0) 384 #define NFP_NET_CFG_STATS_APP2_BYTES (NFP_NET_CFG_STATS_BASE + 0xb8) 385 #define NFP_NET_CFG_STATS_APP3_FRAMES (NFP_NET_CFG_STATS_BASE + 0xc0) 386 #define NFP_NET_CFG_STATS_APP3_BYTES (NFP_NET_CFG_STATS_BASE + 0xc8) 387 388 /* Per ring stats (0x1000 - 0x1800) 389 * options, 64bit per entry 390 * %NFP_NET_CFG_TXR_STATS: TX ring statistics (Packet and Byte count) 391 * %NFP_NET_CFG_RXR_STATS: RX ring statistics (Packet and Byte count) 392 */ 393 #define NFP_NET_CFG_TXR_STATS_BASE 0x1000 394 #define NFP_NET_CFG_TXR_STATS(_x) (NFP_NET_CFG_TXR_STATS_BASE + \ 395 ((_x) * 0x10)) 396 #define NFP_NET_CFG_RXR_STATS_BASE 0x1400 397 #define NFP_NET_CFG_RXR_STATS(_x) (NFP_NET_CFG_RXR_STATS_BASE + \ 398 ((_x) * 0x10)) 399 400 /* General use mailbox area (0x1800 - 0x19ff) 401 * 4B used for update command and 4B return code 402 * followed by a max of 504B of variable length value 403 */ 404 #define NFP_NET_CFG_MBOX_BASE 0x1800 405 #define NFP_NET_CFG_MBOX_VAL_MAX_SZ 0x1F8 406 #define NFP_NET_CFG_MBOX_VAL 0x1808 407 #define NFP_NET_CFG_MBOX_SIMPLE_CMD 0x0 408 #define NFP_NET_CFG_MBOX_SIMPLE_RET 0x4 409 #define NFP_NET_CFG_MBOX_SIMPLE_VAL 0x8 410 411 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_ADD 1 412 #define NFP_NET_CFG_MBOX_CMD_CTAG_FILTER_KILL 2 413 #define NFP_NET_CFG_MBOX_CMD_IPSEC 3 414 #define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET 5 415 #define NFP_NET_CFG_MBOX_CMD_TLV_CMSG 6 416 417 #define NFP_NET_CFG_MBOX_CMD_MULTICAST_ADD 8 418 #define NFP_NET_CFG_MBOX_CMD_MULTICAST_DEL 9 419 420 /* VLAN filtering using general use mailbox 421 * %NFP_NET_CFG_VLAN_FILTER: Base address of VLAN filter mailbox 422 * %NFP_NET_CFG_VLAN_FILTER_VID: VLAN ID to filter 423 * %NFP_NET_CFG_VLAN_FILTER_PROTO: VLAN proto to filter 424 * %NFP_NET_CFG_VXLAN_SZ: Size of the VLAN filter mailbox in bytes 425 */ 426 #define NFP_NET_CFG_VLAN_FILTER NFP_NET_CFG_MBOX_SIMPLE_VAL 427 #define NFP_NET_CFG_VLAN_FILTER_VID NFP_NET_CFG_VLAN_FILTER 428 #define NFP_NET_CFG_VLAN_FILTER_PROTO (NFP_NET_CFG_VLAN_FILTER + 2) 429 #define NFP_NET_CFG_VLAN_FILTER_SZ 0x0004 430 431 /* Multicast filtering using general use mailbox 432 * %NFP_NET_CFG_MULTICAST: Base address of Multicast filter mailbox 433 * %NFP_NET_CFG_MULTICAST_MAC_HI: High 32-bits of Multicast MAC address 434 * %NFP_NET_CFG_MULTICAST_MAC_LO: Low 16-bits of Multicast MAC address 435 * %NFP_NET_CFG_MULTICAST_SZ: Size of the Multicast filter mailbox in bytes 436 */ 437 #define NFP_NET_CFG_MULTICAST NFP_NET_CFG_MBOX_SIMPLE_VAL 438 #define NFP_NET_CFG_MULTICAST_MAC_HI NFP_NET_CFG_MULTICAST 439 #define NFP_NET_CFG_MULTICAST_MAC_LO (NFP_NET_CFG_MULTICAST + 6) 440 #define NFP_NET_CFG_MULTICAST_SZ 0x0006 441 442 /* TLV capabilities 443 * %NFP_NET_CFG_TLV_TYPE: Offset of type within the TLV 444 * %NFP_NET_CFG_TLV_TYPE_REQUIRED: Driver must be able to parse the TLV 445 * %NFP_NET_CFG_TLV_LENGTH: Offset of length within the TLV 446 * %NFP_NET_CFG_TLV_LENGTH_INC: TLV length increments 447 * %NFP_NET_CFG_TLV_VALUE: Offset of value with the TLV 448 * 449 * List of simple TLV structures, first one starts at %NFP_NET_CFG_TLV_BASE. 450 * Last structure must be of type %NFP_NET_CFG_TLV_TYPE_END. Presence of TLVs 451 * is indicated by %NFP_NET_CFG_TLV_BASE being non-zero. TLV structures may 452 * fill the entire remainder of the BAR or be shorter. FW must make sure TLVs 453 * don't conflict with other features which allocate space beyond 454 * %NFP_NET_CFG_TLV_BASE. %NFP_NET_CFG_TLV_TYPE_RESERVED should be used to wrap 455 * space used by such features. 456 * Note that the 4 byte TLV header is not counted in %NFP_NET_CFG_TLV_LENGTH. 457 */ 458 #define NFP_NET_CFG_TLV_TYPE 0x00 459 #define NFP_NET_CFG_TLV_TYPE_REQUIRED 0x8000 460 #define NFP_NET_CFG_TLV_LENGTH 0x02 461 #define NFP_NET_CFG_TLV_LENGTH_INC 4 462 #define NFP_NET_CFG_TLV_VALUE 0x04 463 464 #define NFP_NET_CFG_TLV_HEADER_REQUIRED 0x80000000 465 #define NFP_NET_CFG_TLV_HEADER_TYPE 0x7fff0000 466 #define NFP_NET_CFG_TLV_HEADER_LENGTH 0x0000ffff 467 468 /* Capability TLV types 469 * 470 * %NFP_NET_CFG_TLV_TYPE_UNKNOWN: 471 * Special TLV type to catch bugs, should never be encountered. Drivers should 472 * treat encountering this type as error and refuse to probe. 473 * 474 * %NFP_NET_CFG_TLV_TYPE_RESERVED: 475 * Reserved space, may contain legacy fixed-offset fields, or be used for 476 * padding. The use of this type should be otherwise avoided. 477 * 478 * %NFP_NET_CFG_TLV_TYPE_END: 479 * Empty, end of TLV list. Must be the last TLV. Drivers will stop processing 480 * further TLVs when encountered. 481 * 482 * %NFP_NET_CFG_TLV_TYPE_ME_FREQ: 483 * Single word, ME frequency in MHz as used in calculation for 484 * %NFP_NET_CFG_RXR_IRQ_MOD and %NFP_NET_CFG_TXR_IRQ_MOD. 485 * 486 * %NFP_NET_CFG_TLV_TYPE_MBOX: 487 * Variable, mailbox area. Overwrites the default location which is 488 * %NFP_NET_CFG_MBOX_BASE and length %NFP_NET_CFG_MBOX_VAL_MAX_SZ. 489 * 490 * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0: 491 * %NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1: 492 * Variable, experimental IDs. IDs designated for internal development and 493 * experiments before a stable TLV ID has been allocated to a feature. Should 494 * never be present in production firmware. 495 * 496 * %NFP_NET_CFG_TLV_TYPE_REPR_CAP: 497 * Single word, equivalent of %NFP_NET_CFG_CAP for representors, features which 498 * can be used on representors. 499 * 500 * %NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES: 501 * Variable, bitmap of control message types supported by the mailbox handler. 502 * Bit 0 corresponds to message type 0, bit 1 to 1, etc. Control messages are 503 * encapsulated into simple TLVs, with an end TLV and written to the Mailbox. 504 * 505 * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS: 506 * 8 words, bitmaps of supported and enabled crypto operations. 507 * First 16B (4 words) contains a bitmap of supported crypto operations, 508 * and next 16B contain the enabled operations. 509 * This capability is made obsolete by ones with better sync methods. 510 * 511 * %NFP_NET_CFG_TLV_TYPE_VNIC_STATS: 512 * Variable, per-vNIC statistics, data should be 8B aligned (FW should insert 513 * zero-length RESERVED TLV to pad). 514 * TLV data has two sections. First is an array of statistics' IDs (2B each). 515 * Second 8B statistics themselves. Statistics are 8B aligned, meaning there 516 * may be a padding between sections. 517 * Number of statistics can be determined as floor(tlv.length / (2 + 8)). 518 * This TLV overwrites %NFP_NET_CFG_STATS_* values (statistics in this TLV 519 * duplicate the old ones, so driver should be careful not to unnecessarily 520 * render both). 521 * 522 * %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN: 523 * Same as %NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS, but crypto TLS does stream scan 524 * RX sync, rather than kernel-assisted sync. 525 */ 526 #define NFP_NET_CFG_TLV_TYPE_UNKNOWN 0 527 #define NFP_NET_CFG_TLV_TYPE_RESERVED 1 528 #define NFP_NET_CFG_TLV_TYPE_END 2 529 #define NFP_NET_CFG_TLV_TYPE_ME_FREQ 3 530 #define NFP_NET_CFG_TLV_TYPE_MBOX 4 531 #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL0 5 532 #define NFP_NET_CFG_TLV_TYPE_EXPERIMENTAL1 6 533 #define NFP_NET_CFG_TLV_TYPE_REPR_CAP 7 534 #define NFP_NET_CFG_TLV_TYPE_MBOX_CMSG_TYPES 10 535 #define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS 11 /* see crypto/fw.h */ 536 #define NFP_NET_CFG_TLV_TYPE_VNIC_STATS 12 537 #define NFP_NET_CFG_TLV_TYPE_CRYPTO_OPS_RX_SCAN 13 538 539 struct device; 540 541 /* struct nfp_net_tlv_caps - parsed control BAR TLV capabilities 542 * @me_freq_mhz: ME clock_freq (MHz) 543 * @mbox_off: vNIC mailbox area offset 544 * @mbox_len: vNIC mailbox area length 545 * @repr_cap: capabilities for representors 546 * @mbox_cmsg_types: cmsgs which can be passed through the mailbox 547 * @crypto_ops: supported crypto operations 548 * @crypto_enable_off: offset of crypto ops enable region 549 * @vnic_stats_off: offset of vNIC stats area 550 * @vnic_stats_cnt: number of vNIC stats 551 * @tls_resync_ss: TLS resync will be performed via stream scan 552 */ 553 struct nfp_net_tlv_caps { 554 u32 me_freq_mhz; 555 unsigned int mbox_off; 556 unsigned int mbox_len; 557 u32 repr_cap; 558 u32 mbox_cmsg_types; 559 u32 crypto_ops; 560 unsigned int crypto_enable_off; 561 unsigned int vnic_stats_off; 562 unsigned int vnic_stats_cnt; 563 unsigned int tls_resync_ss:1; 564 }; 565 566 int nfp_net_tlv_caps_parse(struct device *dev, u8 __iomem *ctrl_mem, 567 struct nfp_net_tlv_caps *caps); 568 #endif /* _NFP_NET_CTRL_H_ */ 569