FILE
ice_switch.c
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linux-6.19.14/drivers/net/ethernet/intel/ice/ice_switch.c
1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2018, Intel Corporation. */ 3 4#include "ice_lib.h" 5#include "ice_switch.h" 6#include "ice_trace.h" 7 8#define ICE_ETH_DA_OFFSET 0 9#define ICE_ETH_ETHTYPE_OFFSET 12 10#define ICE_ETH_VLAN_TCI_OFFSET 14 11#define ICE_MAX_VLAN_ID 0xFFF 12#define ICE_IPV6_ETHER_ID 0x86DD 13 14/* Dummy ethernet header needed in the ice_aqc_sw_rules_elem 15 * struct to configure any switch filter rules. 16 * {DA (6 bytes), SA(6 bytes), 17 * Ether type (2 bytes for header without VLAN tag) OR 18 * VLAN tag (4 bytes for header with VLAN tag) } 19 * 20 * Word on Hardcoded values 21 * byte 0 = 0x2: to identify it as locally administered DA MAC 22 * byte 6 = 0x2: to identify it as locally administered SA MAC 23 * byte 12 = 0x81 & byte 13 = 0x00: 24 * In case of VLAN filter first two bytes defines ether type (0x8100) 25 * and remaining two bytes are placeholder for programming a given VLAN ID 26 * In case of Ether type filter it is treated as header without VLAN tag 27 * and byte 12 and 13 is used to program a given Ether type instead 28 */ 29static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0, 30 0x2, 0, 0, 0, 0, 0, 31 0x81, 0, 0, 0}; 32 33enum { 34 ICE_PKT_OUTER_IPV6 = BIT(0), 35 ICE_PKT_TUN_GTPC = BIT(1), 36 ICE_PKT_TUN_GTPU = BIT(2), 37 ICE_PKT_TUN_NVGRE = BIT(3), 38 ICE_PKT_TUN_UDP = BIT(4), 39 ICE_PKT_INNER_IPV6 = BIT(5), 40 ICE_PKT_INNER_TCP = BIT(6), 41 ICE_PKT_INNER_UDP = BIT(7), 42 ICE_PKT_GTP_NOPAY = BIT(8), 43 ICE_PKT_KMALLOC = BIT(9), 44 ICE_PKT_PPPOE = BIT(10), 45 ICE_PKT_L2TPV3 = BIT(11), 46 ICE_PKT_PFCP = BIT(12), 47}; 48 49struct ice_dummy_pkt_offsets { 50 enum ice_protocol_type type; 51 u16 offset; /* ICE_PROTOCOL_LAST indicates end of list */ 52}; 53 54struct ice_dummy_pkt_profile { 55 const struct ice_dummy_pkt_offsets *offsets; 56 const u8 *pkt; 57 u32 match; 58 u16 pkt_len; 59 u16 offsets_len; 60}; 61 62#define ICE_DECLARE_PKT_OFFSETS(type) \ 63 static const struct ice_dummy_pkt_offsets \ 64 ice_dummy_##type##_packet_offsets[] 65 66#define ICE_DECLARE_PKT_TEMPLATE(type) \ 67 static const u8 ice_dummy_##type##_packet[] 68 69#define ICE_PKT_PROFILE(type, m) { \ 70 .match = (m), \ 71 .pkt = ice_dummy_##type##_packet, \ 72 .pkt_len = sizeof(ice_dummy_##type##_packet), \ 73 .offsets = ice_dummy_##type##_packet_offsets, \ 74 .offsets_len = sizeof(ice_dummy_##type##_packet_offsets), \ 75} 76 77ICE_DECLARE_PKT_OFFSETS(vlan) = { 78 { ICE_VLAN_OFOS, 12 }, 79}; 80 81ICE_DECLARE_PKT_TEMPLATE(vlan) = { 82 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_OFOS 12 */ 83}; 84 85ICE_DECLARE_PKT_OFFSETS(qinq) = { 86 { ICE_VLAN_EX, 12 }, 87 { ICE_VLAN_IN, 16 }, 88}; 89 90ICE_DECLARE_PKT_TEMPLATE(qinq) = { 91 0x91, 0x00, 0x00, 0x00, /* ICE_VLAN_EX 12 */ 92 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_IN 16 */ 93}; 94 95ICE_DECLARE_PKT_OFFSETS(gre_tcp) = { 96 { ICE_MAC_OFOS, 0 }, 97 { ICE_ETYPE_OL, 12 }, 98 { ICE_IPV4_OFOS, 14 }, 99 { ICE_NVGRE, 34 }, 100 { ICE_MAC_IL, 42 }, 101 { ICE_ETYPE_IL, 54 }, 102 { ICE_IPV4_IL, 56 }, 103 { ICE_TCP_IL, 76 }, 104 { ICE_PROTOCOL_LAST, 0 }, 105}; 106 107ICE_DECLARE_PKT_TEMPLATE(gre_tcp) = { 108 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 109 0x00, 0x00, 0x00, 0x00, 110 0x00, 0x00, 0x00, 0x00, 111 112 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 113 114 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */ 115 0x00, 0x00, 0x00, 0x00, 116 0x00, 0x2F, 0x00, 0x00, 117 0x00, 0x00, 0x00, 0x00, 118 0x00, 0x00, 0x00, 0x00, 119 120 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 121 0x00, 0x00, 0x00, 0x00, 122 123 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 124 0x00, 0x00, 0x00, 0x00, 125 0x00, 0x00, 0x00, 0x00, 126 127 0x08, 0x00, /* ICE_ETYPE_IL 54 */ 128 129 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */ 130 0x00, 0x00, 0x00, 0x00, 131 0x00, 0x06, 0x00, 0x00, 132 0x00, 0x00, 0x00, 0x00, 133 0x00, 0x00, 0x00, 0x00, 134 135 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 76 */ 136 0x00, 0x00, 0x00, 0x00, 137 0x00, 0x00, 0x00, 0x00, 138 0x50, 0x02, 0x20, 0x00, 139 0x00, 0x00, 0x00, 0x00 140}; 141 142ICE_DECLARE_PKT_OFFSETS(gre_udp) = { 143 { ICE_MAC_OFOS, 0 }, 144 { ICE_ETYPE_OL, 12 }, 145 { ICE_IPV4_OFOS, 14 }, 146 { ICE_NVGRE, 34 }, 147 { ICE_MAC_IL, 42 }, 148 { ICE_ETYPE_IL, 54 }, 149 { ICE_IPV4_IL, 56 }, 150 { ICE_UDP_ILOS, 76 }, 151 { ICE_PROTOCOL_LAST, 0 }, 152}; 153 154ICE_DECLARE_PKT_TEMPLATE(gre_udp) = { 155 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 156 0x00, 0x00, 0x00, 0x00, 157 0x00, 0x00, 0x00, 0x00, 158 159 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 160 161 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */ 162 0x00, 0x00, 0x00, 0x00, 163 0x00, 0x2F, 0x00, 0x00, 164 0x00, 0x00, 0x00, 0x00, 165 0x00, 0x00, 0x00, 0x00, 166 167 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 168 0x00, 0x00, 0x00, 0x00, 169 170 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 171 0x00, 0x00, 0x00, 0x00, 172 0x00, 0x00, 0x00, 0x00, 173 174 0x08, 0x00, /* ICE_ETYPE_IL 54 */ 175 176 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */ 177 0x00, 0x00, 0x00, 0x00, 178 0x00, 0x11, 0x00, 0x00, 179 0x00, 0x00, 0x00, 0x00, 180 0x00, 0x00, 0x00, 0x00, 181 182 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 76 */ 183 0x00, 0x08, 0x00, 0x00, 184}; 185 186ICE_DECLARE_PKT_OFFSETS(udp_tun_tcp) = { 187 { ICE_MAC_OFOS, 0 }, 188 { ICE_ETYPE_OL, 12 }, 189 { ICE_IPV4_OFOS, 14 }, 190 { ICE_UDP_OF, 34 }, 191 { ICE_VXLAN, 42 }, 192 { ICE_GENEVE, 42 }, 193 { ICE_VXLAN_GPE, 42 }, 194 { ICE_MAC_IL, 50 }, 195 { ICE_ETYPE_IL, 62 }, 196 { ICE_IPV4_IL, 64 }, 197 { ICE_TCP_IL, 84 }, 198 { ICE_PROTOCOL_LAST, 0 }, 199}; 200 201ICE_DECLARE_PKT_TEMPLATE(udp_tun_tcp) = { 202 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 203 0x00, 0x00, 0x00, 0x00, 204 0x00, 0x00, 0x00, 0x00, 205 206 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 207 208 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */ 209 0x00, 0x01, 0x00, 0x00, 210 0x40, 0x11, 0x00, 0x00, 211 0x00, 0x00, 0x00, 0x00, 212 0x00, 0x00, 0x00, 0x00, 213 214 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 215 0x00, 0x46, 0x00, 0x00, 216 217 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 218 0x00, 0x00, 0x00, 0x00, 219 220 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 221 0x00, 0x00, 0x00, 0x00, 222 0x00, 0x00, 0x00, 0x00, 223 224 0x08, 0x00, /* ICE_ETYPE_IL 62 */ 225 226 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_IL 64 */ 227 0x00, 0x01, 0x00, 0x00, 228 0x40, 0x06, 0x00, 0x00, 229 0x00, 0x00, 0x00, 0x00, 230 0x00, 0x00, 0x00, 0x00, 231 232 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 84 */ 233 0x00, 0x00, 0x00, 0x00, 234 0x00, 0x00, 0x00, 0x00, 235 0x50, 0x02, 0x20, 0x00, 236 0x00, 0x00, 0x00, 0x00 237}; 238 239ICE_DECLARE_PKT_OFFSETS(udp_tun_udp) = { 240 { ICE_MAC_OFOS, 0 }, 241 { ICE_ETYPE_OL, 12 }, 242 { ICE_IPV4_OFOS, 14 }, 243 { ICE_UDP_OF, 34 }, 244 { ICE_VXLAN, 42 }, 245 { ICE_GENEVE, 42 }, 246 { ICE_VXLAN_GPE, 42 }, 247 { ICE_MAC_IL, 50 }, 248 { ICE_ETYPE_IL, 62 }, 249 { ICE_IPV4_IL, 64 }, 250 { ICE_UDP_ILOS, 84 }, 251 { ICE_PROTOCOL_LAST, 0 }, 252}; 253 254ICE_DECLARE_PKT_TEMPLATE(udp_tun_udp) = { 255 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 256 0x00, 0x00, 0x00, 0x00, 257 0x00, 0x00, 0x00, 0x00, 258 259 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 260 261 0x45, 0x00, 0x00, 0x4e, /* ICE_IPV4_OFOS 14 */ 262 0x00, 0x01, 0x00, 0x00, 263 0x00, 0x11, 0x00, 0x00, 264 0x00, 0x00, 0x00, 0x00, 265 0x00, 0x00, 0x00, 0x00, 266 267 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 268 0x00, 0x3a, 0x00, 0x00, 269 270 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 271 0x00, 0x00, 0x00, 0x00, 272 273 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 274 0x00, 0x00, 0x00, 0x00, 275 0x00, 0x00, 0x00, 0x00, 276 277 0x08, 0x00, /* ICE_ETYPE_IL 62 */ 278 279 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_IL 64 */ 280 0x00, 0x01, 0x00, 0x00, 281 0x00, 0x11, 0x00, 0x00, 282 0x00, 0x00, 0x00, 0x00, 283 0x00, 0x00, 0x00, 0x00, 284 285 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 84 */ 286 0x00, 0x08, 0x00, 0x00, 287}; 288 289ICE_DECLARE_PKT_OFFSETS(gre_ipv6_tcp) = { 290 { ICE_MAC_OFOS, 0 }, 291 { ICE_ETYPE_OL, 12 }, 292 { ICE_IPV4_OFOS, 14 }, 293 { ICE_NVGRE, 34 }, 294 { ICE_MAC_IL, 42 }, 295 { ICE_ETYPE_IL, 54 }, 296 { ICE_IPV6_IL, 56 }, 297 { ICE_TCP_IL, 96 }, 298 { ICE_PROTOCOL_LAST, 0 }, 299}; 300 301ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_tcp) = { 302 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 303 0x00, 0x00, 0x00, 0x00, 304 0x00, 0x00, 0x00, 0x00, 305 306 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 307 308 0x45, 0x00, 0x00, 0x66, /* ICE_IPV4_OFOS 14 */ 309 0x00, 0x00, 0x00, 0x00, 310 0x00, 0x2F, 0x00, 0x00, 311 0x00, 0x00, 0x00, 0x00, 312 0x00, 0x00, 0x00, 0x00, 313 314 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 315 0x00, 0x00, 0x00, 0x00, 316 317 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 318 0x00, 0x00, 0x00, 0x00, 319 0x00, 0x00, 0x00, 0x00, 320 321 0x86, 0xdd, /* ICE_ETYPE_IL 54 */ 322 323 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */ 324 0x00, 0x08, 0x06, 0x40, 325 0x00, 0x00, 0x00, 0x00, 326 0x00, 0x00, 0x00, 0x00, 327 0x00, 0x00, 0x00, 0x00, 328 0x00, 0x00, 0x00, 0x00, 329 0x00, 0x00, 0x00, 0x00, 330 0x00, 0x00, 0x00, 0x00, 331 0x00, 0x00, 0x00, 0x00, 332 0x00, 0x00, 0x00, 0x00, 333 334 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 96 */ 335 0x00, 0x00, 0x00, 0x00, 336 0x00, 0x00, 0x00, 0x00, 337 0x50, 0x02, 0x20, 0x00, 338 0x00, 0x00, 0x00, 0x00 339}; 340 341ICE_DECLARE_PKT_OFFSETS(gre_ipv6_udp) = { 342 { ICE_MAC_OFOS, 0 }, 343 { ICE_ETYPE_OL, 12 }, 344 { ICE_IPV4_OFOS, 14 }, 345 { ICE_NVGRE, 34 }, 346 { ICE_MAC_IL, 42 }, 347 { ICE_ETYPE_IL, 54 }, 348 { ICE_IPV6_IL, 56 }, 349 { ICE_UDP_ILOS, 96 }, 350 { ICE_PROTOCOL_LAST, 0 }, 351}; 352 353ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_udp) = { 354 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 355 0x00, 0x00, 0x00, 0x00, 356 0x00, 0x00, 0x00, 0x00, 357 358 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 359 360 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */ 361 0x00, 0x00, 0x00, 0x00, 362 0x00, 0x2F, 0x00, 0x00, 363 0x00, 0x00, 0x00, 0x00, 364 0x00, 0x00, 0x00, 0x00, 365 366 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 367 0x00, 0x00, 0x00, 0x00, 368 369 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 370 0x00, 0x00, 0x00, 0x00, 371 0x00, 0x00, 0x00, 0x00, 372 373 0x86, 0xdd, /* ICE_ETYPE_IL 54 */ 374 375 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */ 376 0x00, 0x08, 0x11, 0x40, 377 0x00, 0x00, 0x00, 0x00, 378 0x00, 0x00, 0x00, 0x00, 379 0x00, 0x00, 0x00, 0x00, 380 0x00, 0x00, 0x00, 0x00, 381 0x00, 0x00, 0x00, 0x00, 382 0x00, 0x00, 0x00, 0x00, 383 0x00, 0x00, 0x00, 0x00, 384 0x00, 0x00, 0x00, 0x00, 385 386 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 96 */ 387 0x00, 0x08, 0x00, 0x00, 388}; 389 390ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_tcp) = { 391 { ICE_MAC_OFOS, 0 }, 392 { ICE_ETYPE_OL, 12 }, 393 { ICE_IPV4_OFOS, 14 }, 394 { ICE_UDP_OF, 34 }, 395 { ICE_VXLAN, 42 }, 396 { ICE_GENEVE, 42 }, 397 { ICE_VXLAN_GPE, 42 }, 398 { ICE_MAC_IL, 50 }, 399 { ICE_ETYPE_IL, 62 }, 400 { ICE_IPV6_IL, 64 }, 401 { ICE_TCP_IL, 104 }, 402 { ICE_PROTOCOL_LAST, 0 }, 403}; 404 405ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_tcp) = { 406 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 407 0x00, 0x00, 0x00, 0x00, 408 0x00, 0x00, 0x00, 0x00, 409 410 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 411 412 0x45, 0x00, 0x00, 0x6e, /* ICE_IPV4_OFOS 14 */ 413 0x00, 0x01, 0x00, 0x00, 414 0x40, 0x11, 0x00, 0x00, 415 0x00, 0x00, 0x00, 0x00, 416 0x00, 0x00, 0x00, 0x00, 417 418 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 419 0x00, 0x5a, 0x00, 0x00, 420 421 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 422 0x00, 0x00, 0x00, 0x00, 423 424 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 425 0x00, 0x00, 0x00, 0x00, 426 0x00, 0x00, 0x00, 0x00, 427 428 0x86, 0xdd, /* ICE_ETYPE_IL 62 */ 429 430 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */ 431 0x00, 0x08, 0x06, 0x40, 432 0x00, 0x00, 0x00, 0x00, 433 0x00, 0x00, 0x00, 0x00, 434 0x00, 0x00, 0x00, 0x00, 435 0x00, 0x00, 0x00, 0x00, 436 0x00, 0x00, 0x00, 0x00, 437 0x00, 0x00, 0x00, 0x00, 438 0x00, 0x00, 0x00, 0x00, 439 0x00, 0x00, 0x00, 0x00, 440 441 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 104 */ 442 0x00, 0x00, 0x00, 0x00, 443 0x00, 0x00, 0x00, 0x00, 444 0x50, 0x02, 0x20, 0x00, 445 0x00, 0x00, 0x00, 0x00 446}; 447 448ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_udp) = { 449 { ICE_MAC_OFOS, 0 }, 450 { ICE_ETYPE_OL, 12 }, 451 { ICE_IPV4_OFOS, 14 }, 452 { ICE_UDP_OF, 34 }, 453 { ICE_VXLAN, 42 }, 454 { ICE_GENEVE, 42 }, 455 { ICE_VXLAN_GPE, 42 }, 456 { ICE_MAC_IL, 50 }, 457 { ICE_ETYPE_IL, 62 }, 458 { ICE_IPV6_IL, 64 }, 459 { ICE_UDP_ILOS, 104 }, 460 { ICE_PROTOCOL_LAST, 0 }, 461}; 462 463ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_udp) = { 464 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 465 0x00, 0x00, 0x00, 0x00, 466 0x00, 0x00, 0x00, 0x00, 467 468 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 469 470 0x45, 0x00, 0x00, 0x62, /* ICE_IPV4_OFOS 14 */ 471 0x00, 0x01, 0x00, 0x00, 472 0x00, 0x11, 0x00, 0x00, 473 0x00, 0x00, 0x00, 0x00, 474 0x00, 0x00, 0x00, 0x00, 475 476 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 477 0x00, 0x4e, 0x00, 0x00, 478 479 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 480 0x00, 0x00, 0x00, 0x00, 481 482 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 483 0x00, 0x00, 0x00, 0x00, 484 0x00, 0x00, 0x00, 0x00, 485 486 0x86, 0xdd, /* ICE_ETYPE_IL 62 */ 487 488 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */ 489 0x00, 0x08, 0x11, 0x40, 490 0x00, 0x00, 0x00, 0x00, 491 0x00, 0x00, 0x00, 0x00, 492 0x00, 0x00, 0x00, 0x00, 493 0x00, 0x00, 0x00, 0x00, 494 0x00, 0x00, 0x00, 0x00, 495 0x00, 0x00, 0x00, 0x00, 496 0x00, 0x00, 0x00, 0x00, 497 0x00, 0x00, 0x00, 0x00, 498 499 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 104 */ 500 0x00, 0x08, 0x00, 0x00, 501}; 502 503/* offset info for MAC + IPv4 + UDP dummy packet */ 504ICE_DECLARE_PKT_OFFSETS(udp) = { 505 { ICE_MAC_OFOS, 0 }, 506 { ICE_ETYPE_OL, 12 }, 507 { ICE_IPV4_OFOS, 14 }, 508 { ICE_UDP_ILOS, 34 }, 509 { ICE_PROTOCOL_LAST, 0 }, 510}; 511 512/* Dummy packet for MAC + IPv4 + UDP */ 513ICE_DECLARE_PKT_TEMPLATE(udp) = { 514 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 515 0x00, 0x00, 0x00, 0x00, 516 0x00, 0x00, 0x00, 0x00, 517 518 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 519 520 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 14 */ 521 0x00, 0x01, 0x00, 0x00, 522 0x00, 0x11, 0x00, 0x00, 523 0x00, 0x00, 0x00, 0x00, 524 0x00, 0x00, 0x00, 0x00, 525 526 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 34 */ 527 0x00, 0x08, 0x00, 0x00, 528 529 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 530}; 531 532/* offset info for MAC + IPv4 + TCP dummy packet */ 533ICE_DECLARE_PKT_OFFSETS(tcp) = { 534 { ICE_MAC_OFOS, 0 }, 535 { ICE_ETYPE_OL, 12 }, 536 { ICE_IPV4_OFOS, 14 }, 537 { ICE_TCP_IL, 34 }, 538 { ICE_PROTOCOL_LAST, 0 }, 539}; 540 541/* Dummy packet for MAC + IPv4 + TCP */ 542ICE_DECLARE_PKT_TEMPLATE(tcp) = { 543 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 544 0x00, 0x00, 0x00, 0x00, 545 0x00, 0x00, 0x00, 0x00, 546 547 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 548 549 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 14 */ 550 0x00, 0x01, 0x00, 0x00, 551 0x00, 0x06, 0x00, 0x00, 552 0x00, 0x00, 0x00, 0x00, 553 0x00, 0x00, 0x00, 0x00, 554 555 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 34 */ 556 0x00, 0x00, 0x00, 0x00, 557 0x00, 0x00, 0x00, 0x00, 558 0x50, 0x00, 0x00, 0x00, 559 0x00, 0x00, 0x00, 0x00, 560 561 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 562}; 563 564ICE_DECLARE_PKT_OFFSETS(tcp_ipv6) = { 565 { ICE_MAC_OFOS, 0 }, 566 { ICE_ETYPE_OL, 12 }, 567 { ICE_IPV6_OFOS, 14 }, 568 { ICE_TCP_IL, 54 }, 569 { ICE_PROTOCOL_LAST, 0 }, 570}; 571 572ICE_DECLARE_PKT_TEMPLATE(tcp_ipv6) = { 573 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 574 0x00, 0x00, 0x00, 0x00, 575 0x00, 0x00, 0x00, 0x00, 576 577 0x86, 0xDD, /* ICE_ETYPE_OL 12 */ 578 579 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */ 580 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */ 581 0x00, 0x00, 0x00, 0x00, 582 0x00, 0x00, 0x00, 0x00, 583 0x00, 0x00, 0x00, 0x00, 584 0x00, 0x00, 0x00, 0x00, 585 0x00, 0x00, 0x00, 0x00, 586 0x00, 0x00, 0x00, 0x00, 587 0x00, 0x00, 0x00, 0x00, 588 0x00, 0x00, 0x00, 0x00, 589 590 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 54 */ 591 0x00, 0x00, 0x00, 0x00, 592 0x00, 0x00, 0x00, 0x00, 593 0x50, 0x00, 0x00, 0x00, 594 0x00, 0x00, 0x00, 0x00, 595 596 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 597}; 598 599/* IPv6 + UDP */ 600ICE_DECLARE_PKT_OFFSETS(udp_ipv6) = { 601 { ICE_MAC_OFOS, 0 }, 602 { ICE_ETYPE_OL, 12 }, 603 { ICE_IPV6_OFOS, 14 }, 604 { ICE_UDP_ILOS, 54 }, 605 { ICE_PROTOCOL_LAST, 0 }, 606}; 607 608/* IPv6 + UDP dummy packet */ 609ICE_DECLARE_PKT_TEMPLATE(udp_ipv6) = { 610 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 611 0x00, 0x00, 0x00, 0x00, 612 0x00, 0x00, 0x00, 0x00, 613 614 0x86, 0xDD, /* ICE_ETYPE_OL 12 */ 615 616 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */ 617 0x00, 0x10, 0x11, 0x00, /* Next header UDP */ 618 0x00, 0x00, 0x00, 0x00, 619 0x00, 0x00, 0x00, 0x00, 620 0x00, 0x00, 0x00, 0x00, 621 0x00, 0x00, 0x00, 0x00, 622 0x00, 0x00, 0x00, 0x00, 623 0x00, 0x00, 0x00, 0x00, 624 0x00, 0x00, 0x00, 0x00, 625 0x00, 0x00, 0x00, 0x00, 626 627 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 54 */ 628 0x00, 0x10, 0x00, 0x00, 629 630 0x00, 0x00, 0x00, 0x00, /* needed for ESP packets */ 631 0x00, 0x00, 0x00, 0x00, 632 633 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 634}; 635 636/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner TCP */ 637ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_tcp) = { 638 { ICE_MAC_OFOS, 0 }, 639 { ICE_IPV4_OFOS, 14 }, 640 { ICE_UDP_OF, 34 }, 641 { ICE_GTP, 42 }, 642 { ICE_IPV4_IL, 62 }, 643 { ICE_TCP_IL, 82 }, 644 { ICE_PROTOCOL_LAST, 0 }, 645}; 646 647ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_tcp) = { 648 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 649 0x00, 0x00, 0x00, 0x00, 650 0x00, 0x00, 0x00, 0x00, 651 0x08, 0x00, 652 653 0x45, 0x00, 0x00, 0x58, /* IP 14 */ 654 0x00, 0x00, 0x00, 0x00, 655 0x00, 0x11, 0x00, 0x00, 656 0x00, 0x00, 0x00, 0x00, 657 0x00, 0x00, 0x00, 0x00, 658 659 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 660 0x00, 0x44, 0x00, 0x00, 661 662 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 42 */ 663 0x00, 0x00, 0x00, 0x00, 664 0x00, 0x00, 0x00, 0x85, 665 666 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 667 0x00, 0x00, 0x00, 0x00, 668 669 0x45, 0x00, 0x00, 0x28, /* IP 62 */ 670 0x00, 0x00, 0x00, 0x00, 671 0x00, 0x06, 0x00, 0x00, 672 0x00, 0x00, 0x00, 0x00, 673 0x00, 0x00, 0x00, 0x00, 674 675 0x00, 0x00, 0x00, 0x00, /* TCP 82 */ 676 0x00, 0x00, 0x00, 0x00, 677 0x00, 0x00, 0x00, 0x00, 678 0x50, 0x00, 0x00, 0x00, 679 0x00, 0x00, 0x00, 0x00, 680 681 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 682}; 683 684/* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner UDP */ 685ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_udp) = { 686 { ICE_MAC_OFOS, 0 }, 687 { ICE_IPV4_OFOS, 14 }, 688 { ICE_UDP_OF, 34 }, 689 { ICE_GTP, 42 }, 690 { ICE_IPV4_IL, 62 }, 691 { ICE_UDP_ILOS, 82 }, 692 { ICE_PROTOCOL_LAST, 0 }, 693}; 694 695ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_udp) = { 696 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 697 0x00, 0x00, 0x00, 0x00, 698 0x00, 0x00, 0x00, 0x00, 699 0x08, 0x00, 700 701 0x45, 0x00, 0x00, 0x4c, /* IP 14 */ 702 0x00, 0x00, 0x00, 0x00, 703 0x00, 0x11, 0x00, 0x00, 704 0x00, 0x00, 0x00, 0x00, 705 0x00, 0x00, 0x00, 0x00, 706 707 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 708 0x00, 0x38, 0x00, 0x00, 709 710 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 42 */ 711 0x00, 0x00, 0x00, 0x00, 712 0x00, 0x00, 0x00, 0x85, 713 714 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 715 0x00, 0x00, 0x00, 0x00, 716 717 0x45, 0x00, 0x00, 0x1c, /* IP 62 */ 718 0x00, 0x00, 0x00, 0x00, 719 0x00, 0x11, 0x00, 0x00, 720 0x00, 0x00, 0x00, 0x00, 721 0x00, 0x00, 0x00, 0x00, 722 723 0x00, 0x00, 0x00, 0x00, /* UDP 82 */ 724 0x00, 0x08, 0x00, 0x00, 725 726 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 727}; 728 729/* Outer IPv6 + Outer UDP + GTP + Inner IPv4 + Inner TCP */ 730ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_tcp) = { 731 { ICE_MAC_OFOS, 0 }, 732 { ICE_IPV4_OFOS, 14 }, 733 { ICE_UDP_OF, 34 }, 734 { ICE_GTP, 42 }, 735 { ICE_IPV6_IL, 62 }, 736 { ICE_TCP_IL, 102 }, 737 { ICE_PROTOCOL_LAST, 0 }, 738}; 739 740ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_tcp) = { 741 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 742 0x00, 0x00, 0x00, 0x00, 743 0x00, 0x00, 0x00, 0x00, 744 0x08, 0x00, 745 746 0x45, 0x00, 0x00, 0x6c, /* IP 14 */ 747 0x00, 0x00, 0x00, 0x00, 748 0x00, 0x11, 0x00, 0x00, 749 0x00, 0x00, 0x00, 0x00, 750 0x00, 0x00, 0x00, 0x00, 751 752 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 753 0x00, 0x58, 0x00, 0x00, 754 755 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 42 */ 756 0x00, 0x00, 0x00, 0x00, 757 0x00, 0x00, 0x00, 0x85, 758 759 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 760 0x00, 0x00, 0x00, 0x00, 761 762 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */ 763 0x00, 0x14, 0x06, 0x00, 764 0x00, 0x00, 0x00, 0x00, 765 0x00, 0x00, 0x00, 0x00, 766 0x00, 0x00, 0x00, 0x00, 767 0x00, 0x00, 0x00, 0x00, 768 0x00, 0x00, 0x00, 0x00, 769 0x00, 0x00, 0x00, 0x00, 770 0x00, 0x00, 0x00, 0x00, 771 0x00, 0x00, 0x00, 0x00, 772 773 0x00, 0x00, 0x00, 0x00, /* TCP 102 */ 774 0x00, 0x00, 0x00, 0x00, 775 0x00, 0x00, 0x00, 0x00, 776 0x50, 0x00, 0x00, 0x00, 777 0x00, 0x00, 0x00, 0x00, 778 779 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 780}; 781 782ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_udp) = { 783 { ICE_MAC_OFOS, 0 }, 784 { ICE_IPV4_OFOS, 14 }, 785 { ICE_UDP_OF, 34 }, 786 { ICE_GTP, 42 }, 787 { ICE_IPV6_IL, 62 }, 788 { ICE_UDP_ILOS, 102 }, 789 { ICE_PROTOCOL_LAST, 0 }, 790}; 791 792ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_udp) = { 793 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 794 0x00, 0x00, 0x00, 0x00, 795 0x00, 0x00, 0x00, 0x00, 796 0x08, 0x00, 797 798 0x45, 0x00, 0x00, 0x60, /* IP 14 */ 799 0x00, 0x00, 0x00, 0x00, 800 0x00, 0x11, 0x00, 0x00, 801 0x00, 0x00, 0x00, 0x00, 802 0x00, 0x00, 0x00, 0x00, 803 804 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 805 0x00, 0x4c, 0x00, 0x00, 806 807 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 42 */ 808 0x00, 0x00, 0x00, 0x00, 809 0x00, 0x00, 0x00, 0x85, 810 811 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 812 0x00, 0x00, 0x00, 0x00, 813 814 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */ 815 0x00, 0x08, 0x11, 0x00, 816 0x00, 0x00, 0x00, 0x00, 817 0x00, 0x00, 0x00, 0x00, 818 0x00, 0x00, 0x00, 0x00, 819 0x00, 0x00, 0x00, 0x00, 820 0x00, 0x00, 0x00, 0x00, 821 0x00, 0x00, 0x00, 0x00, 822 0x00, 0x00, 0x00, 0x00, 823 0x00, 0x00, 0x00, 0x00, 824 825 0x00, 0x00, 0x00, 0x00, /* UDP 102 */ 826 0x00, 0x08, 0x00, 0x00, 827 828 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 829}; 830 831ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_tcp) = { 832 { ICE_MAC_OFOS, 0 }, 833 { ICE_IPV6_OFOS, 14 }, 834 { ICE_UDP_OF, 54 }, 835 { ICE_GTP, 62 }, 836 { ICE_IPV4_IL, 82 }, 837 { ICE_TCP_IL, 102 }, 838 { ICE_PROTOCOL_LAST, 0 }, 839}; 840 841ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_tcp) = { 842 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 843 0x00, 0x00, 0x00, 0x00, 844 0x00, 0x00, 0x00, 0x00, 845 0x86, 0xdd, 846 847 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 848 0x00, 0x44, 0x11, 0x00, 849 0x00, 0x00, 0x00, 0x00, 850 0x00, 0x00, 0x00, 0x00, 851 0x00, 0x00, 0x00, 0x00, 852 0x00, 0x00, 0x00, 0x00, 853 0x00, 0x00, 0x00, 0x00, 854 0x00, 0x00, 0x00, 0x00, 855 0x00, 0x00, 0x00, 0x00, 856 0x00, 0x00, 0x00, 0x00, 857 858 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 859 0x00, 0x44, 0x00, 0x00, 860 861 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 62 */ 862 0x00, 0x00, 0x00, 0x00, 863 0x00, 0x00, 0x00, 0x85, 864 865 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 866 0x00, 0x00, 0x00, 0x00, 867 868 0x45, 0x00, 0x00, 0x28, /* IP 82 */ 869 0x00, 0x00, 0x00, 0x00, 870 0x00, 0x06, 0x00, 0x00, 871 0x00, 0x00, 0x00, 0x00, 872 0x00, 0x00, 0x00, 0x00, 873 874 0x00, 0x00, 0x00, 0x00, /* TCP 102 */ 875 0x00, 0x00, 0x00, 0x00, 876 0x00, 0x00, 0x00, 0x00, 877 0x50, 0x00, 0x00, 0x00, 878 0x00, 0x00, 0x00, 0x00, 879 880 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 881}; 882 883ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_udp) = { 884 { ICE_MAC_OFOS, 0 }, 885 { ICE_IPV6_OFOS, 14 }, 886 { ICE_UDP_OF, 54 }, 887 { ICE_GTP, 62 }, 888 { ICE_IPV4_IL, 82 }, 889 { ICE_UDP_ILOS, 102 }, 890 { ICE_PROTOCOL_LAST, 0 }, 891}; 892 893ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_udp) = { 894 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 895 0x00, 0x00, 0x00, 0x00, 896 0x00, 0x00, 0x00, 0x00, 897 0x86, 0xdd, 898 899 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 900 0x00, 0x38, 0x11, 0x00, 901 0x00, 0x00, 0x00, 0x00, 902 0x00, 0x00, 0x00, 0x00, 903 0x00, 0x00, 0x00, 0x00, 904 0x00, 0x00, 0x00, 0x00, 905 0x00, 0x00, 0x00, 0x00, 906 0x00, 0x00, 0x00, 0x00, 907 0x00, 0x00, 0x00, 0x00, 908 0x00, 0x00, 0x00, 0x00, 909 910 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 911 0x00, 0x38, 0x00, 0x00, 912 913 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 62 */ 914 0x00, 0x00, 0x00, 0x00, 915 0x00, 0x00, 0x00, 0x85, 916 917 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 918 0x00, 0x00, 0x00, 0x00, 919 920 0x45, 0x00, 0x00, 0x1c, /* IP 82 */ 921 0x00, 0x00, 0x00, 0x00, 922 0x00, 0x11, 0x00, 0x00, 923 0x00, 0x00, 0x00, 0x00, 924 0x00, 0x00, 0x00, 0x00, 925 926 0x00, 0x00, 0x00, 0x00, /* UDP 102 */ 927 0x00, 0x08, 0x00, 0x00, 928 929 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 930}; 931 932ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_tcp) = { 933 { ICE_MAC_OFOS, 0 }, 934 { ICE_IPV6_OFOS, 14 }, 935 { ICE_UDP_OF, 54 }, 936 { ICE_GTP, 62 }, 937 { ICE_IPV6_IL, 82 }, 938 { ICE_TCP_IL, 122 }, 939 { ICE_PROTOCOL_LAST, 0 }, 940}; 941 942ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_tcp) = { 943 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 944 0x00, 0x00, 0x00, 0x00, 945 0x00, 0x00, 0x00, 0x00, 946 0x86, 0xdd, 947 948 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 949 0x00, 0x58, 0x11, 0x00, 950 0x00, 0x00, 0x00, 0x00, 951 0x00, 0x00, 0x00, 0x00, 952 0x00, 0x00, 0x00, 0x00, 953 0x00, 0x00, 0x00, 0x00, 954 0x00, 0x00, 0x00, 0x00, 955 0x00, 0x00, 0x00, 0x00, 956 0x00, 0x00, 0x00, 0x00, 957 0x00, 0x00, 0x00, 0x00, 958 959 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 960 0x00, 0x58, 0x00, 0x00, 961 962 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 62 */ 963 0x00, 0x00, 0x00, 0x00, 964 0x00, 0x00, 0x00, 0x85, 965 966 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 967 0x00, 0x00, 0x00, 0x00, 968 969 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */ 970 0x00, 0x14, 0x06, 0x00, 971 0x00, 0x00, 0x00, 0x00, 972 0x00, 0x00, 0x00, 0x00, 973 0x00, 0x00, 0x00, 0x00, 974 0x00, 0x00, 0x00, 0x00, 975 0x00, 0x00, 0x00, 0x00, 976 0x00, 0x00, 0x00, 0x00, 977 0x00, 0x00, 0x00, 0x00, 978 0x00, 0x00, 0x00, 0x00, 979 980 0x00, 0x00, 0x00, 0x00, /* TCP 122 */ 981 0x00, 0x00, 0x00, 0x00, 982 0x00, 0x00, 0x00, 0x00, 983 0x50, 0x00, 0x00, 0x00, 984 0x00, 0x00, 0x00, 0x00, 985 986 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 987}; 988 989ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_udp) = { 990 { ICE_MAC_OFOS, 0 }, 991 { ICE_IPV6_OFOS, 14 }, 992 { ICE_UDP_OF, 54 }, 993 { ICE_GTP, 62 }, 994 { ICE_IPV6_IL, 82 }, 995 { ICE_UDP_ILOS, 122 }, 996 { ICE_PROTOCOL_LAST, 0 }, 997}; 998 999ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_udp) = { 1000 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 1001 0x00, 0x00, 0x00, 0x00, 1002 0x00, 0x00, 0x00, 0x00, 1003 0x86, 0xdd, 1004 1005 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 1006 0x00, 0x4c, 0x11, 0x00, 1007 0x00, 0x00, 0x00, 0x00, 1008 0x00, 0x00, 0x00, 0x00, 1009 0x00, 0x00, 0x00, 0x00, 1010 0x00, 0x00, 0x00, 0x00, 1011 0x00, 0x00, 0x00, 0x00, 1012 0x00, 0x00, 0x00, 0x00, 1013 0x00, 0x00, 0x00, 0x00, 1014 0x00, 0x00, 0x00, 0x00, 1015 1016 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 1017 0x00, 0x4c, 0x00, 0x00, 1018 1019 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 62 */ 1020 0x00, 0x00, 0x00, 0x00, 1021 0x00, 0x00, 0x00, 0x85, 1022 1023 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 1024 0x00, 0x00, 0x00, 0x00, 1025 1026 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */ 1027 0x00, 0x08, 0x11, 0x00, 1028 0x00, 0x00, 0x00, 0x00, 1029 0x00, 0x00, 0x00, 0x00, 1030 0x00, 0x00, 0x00, 0x00, 1031 0x00, 0x00, 0x00, 0x00, 1032 0x00, 0x00, 0x00, 0x00, 1033 0x00, 0x00, 0x00, 0x00, 1034 0x00, 0x00, 0x00, 0x00, 1035 0x00, 0x00, 0x00, 0x00, 1036 1037 0x00, 0x00, 0x00, 0x00, /* UDP 122 */ 1038 0x00, 0x08, 0x00, 0x00, 1039 1040 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 1041}; 1042 1043ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4) = { 1044 { ICE_MAC_OFOS, 0 }, 1045 { ICE_IPV4_OFOS, 14 }, 1046 { ICE_UDP_OF, 34 }, 1047 { ICE_GTP_NO_PAY, 42 }, 1048 { ICE_PROTOCOL_LAST, 0 }, 1049}; 1050 1051ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4) = { 1052 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1053 0x00, 0x00, 0x00, 0x00, 1054 0x00, 0x00, 0x00, 0x00, 1055 0x08, 0x00, 1056 1057 0x45, 0x00, 0x00, 0x44, /* ICE_IPV4_OFOS 14 */ 1058 0x00, 0x00, 0x40, 0x00, 1059 0x40, 0x11, 0x00, 0x00, 1060 0x00, 0x00, 0x00, 0x00, 1061 0x00, 0x00, 0x00, 0x00, 1062 1063 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 34 */ 1064 0x00, 0x00, 0x00, 0x00, 1065 1066 0x34, 0xff, 0x00, 0x28, /* ICE_GTP 42 */ 1067 0x00, 0x00, 0x00, 0x00, 1068 0x00, 0x00, 0x00, 0x85, 1069 1070 0x02, 0x00, 0x00, 0x00, /* PDU Session extension header */ 1071 0x00, 0x00, 0x00, 0x00, 1072 1073 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 62 */ 1074 0x00, 0x00, 0x40, 0x00, 1075 0x40, 0x00, 0x00, 0x00, 1076 0x00, 0x00, 0x00, 0x00, 1077 0x00, 0x00, 0x00, 0x00, 1078 0x00, 0x00, 1079}; 1080 1081ICE_DECLARE_PKT_OFFSETS(ipv6_gtp) = { 1082 { ICE_MAC_OFOS, 0 }, 1083 { ICE_IPV6_OFOS, 14 }, 1084 { ICE_UDP_OF, 54 }, 1085 { ICE_GTP_NO_PAY, 62 }, 1086 { ICE_PROTOCOL_LAST, 0 }, 1087}; 1088 1089ICE_DECLARE_PKT_TEMPLATE(ipv6_gtp) = { 1090 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1091 0x00, 0x00, 0x00, 0x00, 1092 0x00, 0x00, 0x00, 0x00, 1093 0x86, 0xdd, 1094 1095 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 14 */ 1096 0x00, 0x6c, 0x11, 0x00, /* Next header UDP*/ 1097 0x00, 0x00, 0x00, 0x00, 1098 0x00, 0x00, 0x00, 0x00, 1099 0x00, 0x00, 0x00, 0x00, 1100 0x00, 0x00, 0x00, 0x00, 1101 0x00, 0x00, 0x00, 0x00, 1102 0x00, 0x00, 0x00, 0x00, 1103 0x00, 0x00, 0x00, 0x00, 1104 0x00, 0x00, 0x00, 0x00, 1105 1106 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 54 */ 1107 0x00, 0x00, 0x00, 0x00, 1108 1109 0x30, 0x00, 0x00, 0x28, /* ICE_GTP 62 */ 1110 0x00, 0x00, 0x00, 0x00, 1111 1112 0x00, 0x00, 1113}; 1114 1115ICE_DECLARE_PKT_OFFSETS(pfcp_session_ipv4) = { 1116 { ICE_MAC_OFOS, 0 }, 1117 { ICE_ETYPE_OL, 12 }, 1118 { ICE_IPV4_OFOS, 14 }, 1119 { ICE_UDP_ILOS, 34 }, 1120 { ICE_PFCP, 42 }, 1121 { ICE_PROTOCOL_LAST, 0 }, 1122}; 1123 1124ICE_DECLARE_PKT_TEMPLATE(pfcp_session_ipv4) = { 1125 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1126 0x00, 0x00, 0x00, 0x00, 1127 0x00, 0x00, 0x00, 0x00, 1128 1129 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 1130 1131 0x45, 0x00, 0x00, 0x2c, /* ICE_IPV4_OFOS 14 */ 1132 0x00, 0x01, 0x00, 0x00, 1133 0x00, 0x11, 0x00, 0x00, 1134 0x00, 0x00, 0x00, 0x00, 1135 0x00, 0x00, 0x00, 0x00, 1136 1137 0x00, 0x00, 0x22, 0x65, /* ICE_UDP_ILOS 34 */ 1138 0x00, 0x18, 0x00, 0x00, 1139 1140 0x21, 0x01, 0x00, 0x0c, /* ICE_PFCP 42 */ 1141 0x00, 0x00, 0x00, 0x00, 1142 0x00, 0x00, 0x00, 0x00, 1143 0x00, 0x00, 0x00, 0x00, 1144 1145 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 1146}; 1147 1148ICE_DECLARE_PKT_OFFSETS(pfcp_session_ipv6) = { 1149 { ICE_MAC_OFOS, 0 }, 1150 { ICE_ETYPE_OL, 12 }, 1151 { ICE_IPV6_OFOS, 14 }, 1152 { ICE_UDP_ILOS, 54 }, 1153 { ICE_PFCP, 62 }, 1154 { ICE_PROTOCOL_LAST, 0 }, 1155}; 1156 1157ICE_DECLARE_PKT_TEMPLATE(pfcp_session_ipv6) = { 1158 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1159 0x00, 0x00, 0x00, 0x00, 1160 0x00, 0x00, 0x00, 0x00, 1161 1162 0x86, 0xdd, /* ICE_ETYPE_OL 12 */ 1163 1164 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 14 */ 1165 0x00, 0x10, 0x11, 0x00, /* Next header UDP */ 1166 0x00, 0x00, 0x00, 0x00, 1167 0x00, 0x00, 0x00, 0x00, 1168 0x00, 0x00, 0x00, 0x00, 1169 0x00, 0x00, 0x00, 0x00, 1170 0x00, 0x00, 0x00, 0x00, 1171 0x00, 0x00, 0x00, 0x00, 1172 0x00, 0x00, 0x00, 0x00, 1173 0x00, 0x00, 0x00, 0x00, 1174 1175 0x00, 0x00, 0x22, 0x65, /* ICE_UDP_ILOS 54 */ 1176 0x00, 0x18, 0x00, 0x00, 1177 1178 0x21, 0x01, 0x00, 0x0c, /* ICE_PFCP 62 */ 1179 0x00, 0x00, 0x00, 0x00, 1180 0x00, 0x00, 0x00, 0x00, 1181 0x00, 0x00, 0x00, 0x00, 1182 1183 0x00, 0x00, /* 2 bytes for 4 byte alignment */ 1184}; 1185 1186ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_tcp) = { 1187 { ICE_MAC_OFOS, 0 }, 1188 { ICE_ETYPE_OL, 12 }, 1189 { ICE_PPPOE, 14 }, 1190 { ICE_IPV4_OFOS, 22 }, 1191 { ICE_TCP_IL, 42 }, 1192 { ICE_PROTOCOL_LAST, 0 }, 1193}; 1194 1195ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_tcp) = { 1196 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1197 0x00, 0x00, 0x00, 0x00, 1198 0x00, 0x00, 0x00, 0x00, 1199 1200 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 1201 1202 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 1203 0x00, 0x16, 1204 1205 0x00, 0x21, /* PPP Link Layer 20 */ 1206 1207 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 22 */ 1208 0x00, 0x01, 0x00, 0x00, 1209 0x00, 0x06, 0x00, 0x00, 1210 0x00, 0x00, 0x00, 0x00, 1211 0x00, 0x00, 0x00, 0x00, 1212 1213 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 42 */ 1214 0x00, 0x00, 0x00, 0x00, 1215 0x00, 0x00, 0x00, 0x00, 1216 0x50, 0x00, 0x00, 0x00, 1217 0x00, 0x00, 0x00, 0x00, 1218 1219 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1220}; 1221 1222ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_udp) = { 1223 { ICE_MAC_OFOS, 0 }, 1224 { ICE_ETYPE_OL, 12 }, 1225 { ICE_PPPOE, 14 }, 1226 { ICE_IPV4_OFOS, 22 }, 1227 { ICE_UDP_ILOS, 42 }, 1228 { ICE_PROTOCOL_LAST, 0 }, 1229}; 1230 1231ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_udp) = { 1232 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1233 0x00, 0x00, 0x00, 0x00, 1234 0x00, 0x00, 0x00, 0x00, 1235 1236 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 1237 1238 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 1239 0x00, 0x16, 1240 1241 0x00, 0x21, /* PPP Link Layer 20 */ 1242 1243 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 22 */ 1244 0x00, 0x01, 0x00, 0x00, 1245 0x00, 0x11, 0x00, 0x00, 1246 0x00, 0x00, 0x00, 0x00, 1247 0x00, 0x00, 0x00, 0x00, 1248 1249 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 42 */ 1250 0x00, 0x08, 0x00, 0x00, 1251 1252 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1253}; 1254 1255ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_tcp) = { 1256 { ICE_MAC_OFOS, 0 }, 1257 { ICE_ETYPE_OL, 12 }, 1258 { ICE_PPPOE, 14 }, 1259 { ICE_IPV6_OFOS, 22 }, 1260 { ICE_TCP_IL, 62 }, 1261 { ICE_PROTOCOL_LAST, 0 }, 1262}; 1263 1264ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_tcp) = { 1265 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1266 0x00, 0x00, 0x00, 0x00, 1267 0x00, 0x00, 0x00, 0x00, 1268 1269 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 1270 1271 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 1272 0x00, 0x2a, 1273 1274 0x00, 0x57, /* PPP Link Layer 20 */ 1275 1276 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */ 1277 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */ 1278 0x00, 0x00, 0x00, 0x00, 1279 0x00, 0x00, 0x00, 0x00, 1280 0x00, 0x00, 0x00, 0x00, 1281 0x00, 0x00, 0x00, 0x00, 1282 0x00, 0x00, 0x00, 0x00, 1283 0x00, 0x00, 0x00, 0x00, 1284 0x00, 0x00, 0x00, 0x00, 1285 0x00, 0x00, 0x00, 0x00, 1286 1287 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 62 */ 1288 0x00, 0x00, 0x00, 0x00, 1289 0x00, 0x00, 0x00, 0x00, 1290 0x50, 0x00, 0x00, 0x00, 1291 0x00, 0x00, 0x00, 0x00, 1292 1293 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1294}; 1295 1296ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_udp) = { 1297 { ICE_MAC_OFOS, 0 }, 1298 { ICE_ETYPE_OL, 12 }, 1299 { ICE_PPPOE, 14 }, 1300 { ICE_IPV6_OFOS, 22 }, 1301 { ICE_UDP_ILOS, 62 }, 1302 { ICE_PROTOCOL_LAST, 0 }, 1303}; 1304 1305ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_udp) = { 1306 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1307 0x00, 0x00, 0x00, 0x00, 1308 0x00, 0x00, 0x00, 0x00, 1309 1310 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 1311 1312 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 1313 0x00, 0x2a, 1314 1315 0x00, 0x57, /* PPP Link Layer 20 */ 1316 1317 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */ 1318 0x00, 0x08, 0x11, 0x00, /* Next header UDP*/ 1319 0x00, 0x00, 0x00, 0x00, 1320 0x00, 0x00, 0x00, 0x00, 1321 0x00, 0x00, 0x00, 0x00, 1322 0x00, 0x00, 0x00, 0x00, 1323 0x00, 0x00, 0x00, 0x00, 1324 0x00, 0x00, 0x00, 0x00, 1325 0x00, 0x00, 0x00, 0x00, 1326 0x00, 0x00, 0x00, 0x00, 1327 1328 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 62 */ 1329 0x00, 0x08, 0x00, 0x00, 1330 1331 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1332}; 1333 1334ICE_DECLARE_PKT_OFFSETS(ipv4_l2tpv3) = { 1335 { ICE_MAC_OFOS, 0 }, 1336 { ICE_ETYPE_OL, 12 }, 1337 { ICE_IPV4_OFOS, 14 }, 1338 { ICE_L2TPV3, 34 }, 1339 { ICE_PROTOCOL_LAST, 0 }, 1340}; 1341 1342ICE_DECLARE_PKT_TEMPLATE(ipv4_l2tpv3) = { 1343 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1344 0x00, 0x00, 0x00, 0x00, 1345 0x00, 0x00, 0x00, 0x00, 1346 1347 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 1348 1349 0x45, 0x00, 0x00, 0x20, /* ICE_IPV4_IL 14 */ 1350 0x00, 0x00, 0x40, 0x00, 1351 0x40, 0x73, 0x00, 0x00, 1352 0x00, 0x00, 0x00, 0x00, 1353 0x00, 0x00, 0x00, 0x00, 1354 1355 0x00, 0x00, 0x00, 0x00, /* ICE_L2TPV3 34 */ 1356 0x00, 0x00, 0x00, 0x00, 1357 0x00, 0x00, 0x00, 0x00, 1358 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1359}; 1360 1361ICE_DECLARE_PKT_OFFSETS(ipv6_l2tpv3) = { 1362 { ICE_MAC_OFOS, 0 }, 1363 { ICE_ETYPE_OL, 12 }, 1364 { ICE_IPV6_OFOS, 14 }, 1365 { ICE_L2TPV3, 54 }, 1366 { ICE_PROTOCOL_LAST, 0 }, 1367}; 1368 1369ICE_DECLARE_PKT_TEMPLATE(ipv6_l2tpv3) = { 1370 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 1371 0x00, 0x00, 0x00, 0x00, 1372 0x00, 0x00, 0x00, 0x00, 1373 1374 0x86, 0xDD, /* ICE_ETYPE_OL 12 */ 1375 1376 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 14 */ 1377 0x00, 0x0c, 0x73, 0x40, 1378 0x00, 0x00, 0x00, 0x00, 1379 0x00, 0x00, 0x00, 0x00, 1380 0x00, 0x00, 0x00, 0x00, 1381 0x00, 0x00, 0x00, 0x00, 1382 0x00, 0x00, 0x00, 0x00, 1383 0x00, 0x00, 0x00, 0x00, 1384 0x00, 0x00, 0x00, 0x00, 1385 0x00, 0x00, 0x00, 0x00, 1386 1387 0x00, 0x00, 0x00, 0x00, /* ICE_L2TPV3 54 */ 1388 0x00, 0x00, 0x00, 0x00, 1389 0x00, 0x00, 0x00, 0x00, 1390 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ 1391}; 1392 1393static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = { 1394 ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 | 1395 ICE_PKT_GTP_NOPAY), 1396 ICE_PKT_PROFILE(ipv6_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU | 1397 ICE_PKT_OUTER_IPV6 | 1398 ICE_PKT_INNER_IPV6 | 1399 ICE_PKT_INNER_UDP), 1400 ICE_PKT_PROFILE(ipv6_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU | 1401 ICE_PKT_OUTER_IPV6 | 1402 ICE_PKT_INNER_IPV6), 1403 ICE_PKT_PROFILE(ipv6_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU | 1404 ICE_PKT_OUTER_IPV6 | 1405 ICE_PKT_INNER_UDP), 1406 ICE_PKT_PROFILE(ipv6_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU | 1407 ICE_PKT_OUTER_IPV6), 1408 ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPU | ICE_PKT_GTP_NOPAY), 1409 ICE_PKT_PROFILE(ipv4_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU | 1410 ICE_PKT_INNER_IPV6 | 1411 ICE_PKT_INNER_UDP), 1412 ICE_PKT_PROFILE(ipv4_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU | 1413 ICE_PKT_INNER_IPV6), 1414 ICE_PKT_PROFILE(ipv4_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU | 1415 ICE_PKT_INNER_UDP), 1416 ICE_PKT_PROFILE(ipv4_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU), 1417 ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPC | ICE_PKT_OUTER_IPV6), 1418 ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPC), 1419 ICE_PKT_PROFILE(pfcp_session_ipv6, ICE_PKT_PFCP | ICE_PKT_OUTER_IPV6), 1420 ICE_PKT_PROFILE(pfcp_session_ipv4, ICE_PKT_PFCP), 1421 ICE_PKT_PROFILE(pppoe_ipv6_udp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6 | 1422 ICE_PKT_INNER_UDP), 1423 ICE_PKT_PROFILE(pppoe_ipv6_tcp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6), 1424 ICE_PKT_PROFILE(pppoe_ipv4_udp, ICE_PKT_PPPOE | ICE_PKT_INNER_UDP), 1425 ICE_PKT_PROFILE(pppoe_ipv4_tcp, ICE_PKT_PPPOE), 1426 ICE_PKT_PROFILE(gre_ipv6_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6 | 1427 ICE_PKT_INNER_TCP), 1428 ICE_PKT_PROFILE(gre_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_TCP), 1429 ICE_PKT_PROFILE(gre_ipv6_udp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6), 1430 ICE_PKT_PROFILE(gre_udp, ICE_PKT_TUN_NVGRE), 1431 ICE_PKT_PROFILE(udp_tun_ipv6_tcp, ICE_PKT_TUN_UDP | 1432 ICE_PKT_INNER_IPV6 | 1433 ICE_PKT_INNER_TCP), 1434 ICE_PKT_PROFILE(ipv6_l2tpv3, ICE_PKT_L2TPV3 | ICE_PKT_OUTER_IPV6), 1435 ICE_PKT_PROFILE(ipv4_l2tpv3, ICE_PKT_L2TPV3), 1436 ICE_PKT_PROFILE(udp_tun_tcp, ICE_PKT_TUN_UDP | ICE_PKT_INNER_TCP), 1437 ICE_PKT_PROFILE(udp_tun_ipv6_udp, ICE_PKT_TUN_UDP | 1438 ICE_PKT_INNER_IPV6), 1439 ICE_PKT_PROFILE(udp_tun_udp, ICE_PKT_TUN_UDP), 1440 ICE_PKT_PROFILE(udp_ipv6, ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP), 1441 ICE_PKT_PROFILE(udp, ICE_PKT_INNER_UDP), 1442 ICE_PKT_PROFILE(tcp_ipv6, ICE_PKT_OUTER_IPV6), 1443 ICE_PKT_PROFILE(tcp, 0), 1444}; 1445 1446/* this is a recipe to profile association bitmap */ 1447static DECLARE_BITMAP(recipe_to_profile[ICE_MAX_NUM_RECIPES], 1448 ICE_MAX_NUM_PROFILES); 1449 1450/* this is a profile to recipe association bitmap */ 1451static DECLARE_BITMAP(profile_to_recipe[ICE_MAX_NUM_PROFILES], 1452 ICE_MAX_NUM_RECIPES); 1453 1454/** 1455 * ice_init_def_sw_recp - initialize the recipe book keeping tables 1456 * @hw: pointer to the HW struct 1457 * 1458 * Allocate memory for the entire recipe table and initialize the structures/ 1459 * entries corresponding to basic recipes. 1460 */ 1461int ice_init_def_sw_recp(struct ice_hw *hw) 1462{ 1463 struct ice_sw_recipe *recps; 1464 u8 i; 1465 1466 recps = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_NUM_RECIPES, 1467 sizeof(*recps), GFP_KERNEL); 1468 if (!recps) 1469 return -ENOMEM; 1470 1471 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 1472 recps[i].root_rid = i; 1473 INIT_LIST_HEAD(&recps[i].filt_rules); 1474 INIT_LIST_HEAD(&recps[i].filt_replay_rules); 1475 mutex_init(&recps[i].filt_rule_lock); 1476 } 1477 1478 hw->switch_info->recp_list = recps; 1479 1480 return 0; 1481} 1482 1483/** 1484 * ice_aq_get_sw_cfg - get switch configuration 1485 * @hw: pointer to the hardware structure 1486 * @buf: pointer to the result buffer 1487 * @buf_size: length of the buffer available for response 1488 * @req_desc: pointer to requested descriptor 1489 * @num_elems: pointer to number of elements 1490 * @cd: pointer to command details structure or NULL 1491 * 1492 * Get switch configuration (0x0200) to be placed in buf. 1493 * This admin command returns information such as initial VSI/port number 1494 * and switch ID it belongs to. 1495 * 1496 * NOTE: *req_desc is both an input/output parameter. 1497 * The caller of this function first calls this function with *request_desc set 1498 * to 0. If the response from f/w has *req_desc set to 0, all the switch 1499 * configuration information has been returned; if non-zero (meaning not all 1500 * the information was returned), the caller should call this function again 1501 * with *req_desc set to the previous value returned by f/w to get the 1502 * next block of switch configuration information. 1503 * 1504 * *num_elems is output only parameter. This reflects the number of elements 1505 * in response buffer. The caller of this function to use *num_elems while 1506 * parsing the response buffer. 1507 */ 1508static int 1509ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf, 1510 u16 buf_size, u16 *req_desc, u16 *num_elems, 1511 struct ice_sq_cd *cd) 1512{ 1513 struct ice_aqc_get_sw_cfg *cmd; 1514 struct libie_aq_desc desc; 1515 int status; 1516 1517 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg); 1518 cmd = libie_aq_raw(&desc); 1519 cmd->element = cpu_to_le16(*req_desc); 1520 1521 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 1522 if (!status) { 1523 *req_desc = le16_to_cpu(cmd->element); 1524 *num_elems = le16_to_cpu(cmd->num_elems); 1525 } 1526 1527 return status; 1528} 1529 1530/** 1531 * ice_aq_add_vsi 1532 * @hw: pointer to the HW struct 1533 * @vsi_ctx: pointer to a VSI context struct 1534 * @cd: pointer to command details structure or NULL 1535 * 1536 * Add a VSI context to the hardware (0x0210) 1537 */ 1538static int 1539ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 1540 struct ice_sq_cd *cd) 1541{ 1542 struct ice_aqc_add_update_free_vsi_resp *res; 1543 struct ice_aqc_add_get_update_free_vsi *cmd; 1544 struct libie_aq_desc desc; 1545 int status; 1546 1547 cmd = libie_aq_raw(&desc); 1548 res = libie_aq_raw(&desc); 1549 1550 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi); 1551 1552 if (!vsi_ctx->alloc_from_pool) 1553 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | 1554 ICE_AQ_VSI_IS_VALID); 1555 cmd->vf_id = vsi_ctx->vf_num; 1556 1557 cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags); 1558 1559 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD); 1560 1561 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 1562 sizeof(vsi_ctx->info), cd); 1563 1564 if (!status) { 1565 vsi_ctx->vsi_num = le16_to_cpu(res->vsi_num) & ICE_AQ_VSI_NUM_M; 1566 vsi_ctx->vsis_allocd = le16_to_cpu(res->vsi_used); 1567 vsi_ctx->vsis_unallocated = le16_to_cpu(res->vsi_free); 1568 } 1569 1570 return status; 1571} 1572 1573/** 1574 * ice_aq_free_vsi 1575 * @hw: pointer to the HW struct 1576 * @vsi_ctx: pointer to a VSI context struct 1577 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 1578 * @cd: pointer to command details structure or NULL 1579 * 1580 * Free VSI context info from hardware (0x0213) 1581 */ 1582static int 1583ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 1584 bool keep_vsi_alloc, struct ice_sq_cd *cd) 1585{ 1586 struct ice_aqc_add_update_free_vsi_resp *resp; 1587 struct ice_aqc_add_get_update_free_vsi *cmd; 1588 struct libie_aq_desc desc; 1589 int status; 1590 1591 cmd = libie_aq_raw(&desc); 1592 resp = libie_aq_raw(&desc); 1593 1594 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi); 1595 1596 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 1597 if (keep_vsi_alloc) 1598 cmd->cmd_flags = cpu_to_le16(ICE_AQ_VSI_KEEP_ALLOC); 1599 1600 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 1601 if (!status) { 1602 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used); 1603 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free); 1604 } 1605 1606 return status; 1607} 1608 1609/** 1610 * ice_aq_update_vsi 1611 * @hw: pointer to the HW struct 1612 * @vsi_ctx: pointer to a VSI context struct 1613 * @cd: pointer to command details structure or NULL 1614 * 1615 * Update VSI context in the hardware (0x0211) 1616 */ 1617static int 1618ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 1619 struct ice_sq_cd *cd) 1620{ 1621 struct ice_aqc_add_update_free_vsi_resp *resp; 1622 struct ice_aqc_add_get_update_free_vsi *cmd; 1623 struct libie_aq_desc desc; 1624 int status; 1625 1626 cmd = libie_aq_raw(&desc); 1627 resp = libie_aq_raw(&desc); 1628 1629 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi); 1630 1631 cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 1632 1633 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD); 1634 1635 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 1636 sizeof(vsi_ctx->info), cd); 1637 1638 if (!status) { 1639 vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used); 1640 vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free); 1641 } 1642 1643 return status; 1644} 1645 1646/** 1647 * ice_is_vsi_valid - check whether the VSI is valid or not 1648 * @hw: pointer to the HW struct 1649 * @vsi_handle: VSI handle 1650 * 1651 * check whether the VSI is valid or not 1652 */ 1653bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle) 1654{ 1655 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle]; 1656} 1657 1658/** 1659 * ice_get_hw_vsi_num - return the HW VSI number 1660 * @hw: pointer to the HW struct 1661 * @vsi_handle: VSI handle 1662 * 1663 * return the HW VSI number 1664 * Caution: call this function only if VSI is valid (ice_is_vsi_valid) 1665 */ 1666u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle) 1667{ 1668 return hw->vsi_ctx[vsi_handle]->vsi_num; 1669} 1670 1671/** 1672 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle 1673 * @hw: pointer to the HW struct 1674 * @vsi_handle: VSI handle 1675 * 1676 * return the VSI context entry for a given VSI handle 1677 */ 1678struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 1679{ 1680 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle]; 1681} 1682 1683/** 1684 * ice_save_vsi_ctx - save the VSI context for a given VSI handle 1685 * @hw: pointer to the HW struct 1686 * @vsi_handle: VSI handle 1687 * @vsi: VSI context pointer 1688 * 1689 * save the VSI context entry for a given VSI handle 1690 */ 1691static void 1692ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi) 1693{ 1694 hw->vsi_ctx[vsi_handle] = vsi; 1695} 1696 1697/** 1698 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs 1699 * @hw: pointer to the HW struct 1700 * @vsi_handle: VSI handle 1701 */ 1702static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle) 1703{ 1704 struct ice_vsi_ctx *vsi = ice_get_vsi_ctx(hw, vsi_handle); 1705 u8 i; 1706 1707 if (!vsi) 1708 return; 1709 ice_for_each_traffic_class(i) { 1710 devm_kfree(ice_hw_to_dev(hw), vsi->lan_q_ctx[i]); 1711 vsi->lan_q_ctx[i] = NULL; 1712 devm_kfree(ice_hw_to_dev(hw), vsi->rdma_q_ctx[i]); 1713 vsi->rdma_q_ctx[i] = NULL; 1714 } 1715} 1716 1717/** 1718 * ice_clear_vsi_ctx - clear the VSI context entry 1719 * @hw: pointer to the HW struct 1720 * @vsi_handle: VSI handle 1721 * 1722 * clear the VSI context entry 1723 */ 1724static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 1725{ 1726 struct ice_vsi_ctx *vsi; 1727 1728 vsi = ice_get_vsi_ctx(hw, vsi_handle); 1729 if (vsi) { 1730 ice_clear_vsi_q_ctx(hw, vsi_handle); 1731 devm_kfree(ice_hw_to_dev(hw), vsi); 1732 hw->vsi_ctx[vsi_handle] = NULL; 1733 } 1734} 1735 1736/** 1737 * ice_clear_all_vsi_ctx - clear all the VSI context entries 1738 * @hw: pointer to the HW struct 1739 */ 1740void ice_clear_all_vsi_ctx(struct ice_hw *hw) 1741{ 1742 u16 i; 1743 1744 for (i = 0; i < ICE_MAX_VSI; i++) 1745 ice_clear_vsi_ctx(hw, i); 1746} 1747 1748/** 1749 * ice_add_vsi - add VSI context to the hardware and VSI handle list 1750 * @hw: pointer to the HW struct 1751 * @vsi_handle: unique VSI handle provided by drivers 1752 * @vsi_ctx: pointer to a VSI context struct 1753 * @cd: pointer to command details structure or NULL 1754 * 1755 * Add a VSI context to the hardware also add it into the VSI handle list. 1756 * If this function gets called after reset for existing VSIs then update 1757 * with the new HW VSI number in the corresponding VSI handle list entry. 1758 */ 1759int 1760ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 1761 struct ice_sq_cd *cd) 1762{ 1763 struct ice_vsi_ctx *tmp_vsi_ctx; 1764 int status; 1765 1766 if (vsi_handle >= ICE_MAX_VSI) 1767 return -EINVAL; 1768 status = ice_aq_add_vsi(hw, vsi_ctx, cd); 1769 if (status) 1770 return status; 1771 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); 1772 if (!tmp_vsi_ctx) { 1773 /* Create a new VSI context */ 1774 tmp_vsi_ctx = devm_kzalloc(ice_hw_to_dev(hw), 1775 sizeof(*tmp_vsi_ctx), GFP_KERNEL); 1776 if (!tmp_vsi_ctx) { 1777 ice_aq_free_vsi(hw, vsi_ctx, false, cd); 1778 return -ENOMEM; 1779 } 1780 *tmp_vsi_ctx = *vsi_ctx; 1781 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx); 1782 } else { 1783 /* update with new HW VSI num */ 1784 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num; 1785 } 1786 1787 return 0; 1788} 1789 1790/** 1791 * ice_free_vsi- free VSI context from hardware and VSI handle list 1792 * @hw: pointer to the HW struct 1793 * @vsi_handle: unique VSI handle 1794 * @vsi_ctx: pointer to a VSI context struct 1795 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 1796 * @cd: pointer to command details structure or NULL 1797 * 1798 * Free VSI context info from hardware as well as from VSI handle list 1799 */ 1800int 1801ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 1802 bool keep_vsi_alloc, struct ice_sq_cd *cd) 1803{ 1804 int status; 1805 1806 if (!ice_is_vsi_valid(hw, vsi_handle)) 1807 return -EINVAL; 1808 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 1809 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd); 1810 if (!status) 1811 ice_clear_vsi_ctx(hw, vsi_handle); 1812 return status; 1813} 1814 1815/** 1816 * ice_update_vsi 1817 * @hw: pointer to the HW struct 1818 * @vsi_handle: unique VSI handle 1819 * @vsi_ctx: pointer to a VSI context struct 1820 * @cd: pointer to command details structure or NULL 1821 * 1822 * Update VSI context in the hardware 1823 */ 1824int 1825ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 1826 struct ice_sq_cd *cd) 1827{ 1828 if (!ice_is_vsi_valid(hw, vsi_handle)) 1829 return -EINVAL; 1830 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 1831 return ice_aq_update_vsi(hw, vsi_ctx, cd); 1832} 1833 1834/** 1835 * ice_cfg_rdma_fltr - enable/disable RDMA filtering on VSI 1836 * @hw: pointer to HW struct 1837 * @vsi_handle: VSI SW index 1838 * @enable: boolean for enable/disable 1839 */ 1840int 1841ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable) 1842{ 1843 struct ice_vsi_ctx *ctx, *cached_ctx; 1844 int status; 1845 1846 cached_ctx = ice_get_vsi_ctx(hw, vsi_handle); 1847 if (!cached_ctx) 1848 return -ENOENT; 1849 1850 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 1851 if (!ctx) 1852 return -ENOMEM; 1853 1854 ctx->info.q_opt_rss = cached_ctx->info.q_opt_rss; 1855 ctx->info.q_opt_tc = cached_ctx->info.q_opt_tc; 1856 ctx->info.q_opt_flags = cached_ctx->info.q_opt_flags; 1857 1858 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 1859 1860 if (enable) 1861 ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; 1862 else 1863 ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; 1864 1865 status = ice_update_vsi(hw, vsi_handle, ctx, NULL); 1866 if (!status) { 1867 cached_ctx->info.q_opt_flags = ctx->info.q_opt_flags; 1868 cached_ctx->info.valid_sections |= ctx->info.valid_sections; 1869 } 1870 1871 kfree(ctx); 1872 return status; 1873} 1874 1875/** 1876 * ice_aq_alloc_free_vsi_list 1877 * @hw: pointer to the HW struct 1878 * @vsi_list_id: VSI list ID returned or used for lookup 1879 * @lkup_type: switch rule filter lookup type 1880 * @opc: switch rules population command type - pass in the command opcode 1881 * 1882 * allocates or free a VSI list resource 1883 */ 1884static int 1885ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id, 1886 enum ice_sw_lkup_type lkup_type, 1887 enum ice_adminq_opc opc) 1888{ 1889 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1); 1890 u16 buf_len = __struct_size(sw_buf); 1891 struct ice_aqc_res_elem *vsi_ele; 1892 int status; 1893 1894 sw_buf->num_elems = cpu_to_le16(1); 1895 1896 if (lkup_type == ICE_SW_LKUP_MAC || 1897 lkup_type == ICE_SW_LKUP_MAC_VLAN || 1898 lkup_type == ICE_SW_LKUP_ETHERTYPE || 1899 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1900 lkup_type == ICE_SW_LKUP_PROMISC || 1901 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 1902 lkup_type == ICE_SW_LKUP_DFLT || 1903 lkup_type == ICE_SW_LKUP_LAST) { 1904 sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_REP); 1905 } else if (lkup_type == ICE_SW_LKUP_VLAN) { 1906 if (opc == ice_aqc_opc_alloc_res) 1907 sw_buf->res_type = 1908 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE | 1909 ICE_AQC_RES_TYPE_FLAG_SHARED); 1910 else 1911 sw_buf->res_type = 1912 cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE); 1913 } else { 1914 return -EINVAL; 1915 } 1916 1917 if (opc == ice_aqc_opc_free_res) 1918 sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id); 1919 1920 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, opc); 1921 if (status) 1922 return status; 1923 1924 if (opc == ice_aqc_opc_alloc_res) { 1925 vsi_ele = &sw_buf->elem[0]; 1926 *vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp); 1927 } 1928 1929 return 0; 1930} 1931 1932/** 1933 * ice_aq_sw_rules - add/update/remove switch rules 1934 * @hw: pointer to the HW struct 1935 * @rule_list: pointer to switch rule population list 1936 * @rule_list_sz: total size of the rule list in bytes 1937 * @num_rules: number of switch rules in the rule_list 1938 * @opc: switch rules population command type - pass in the command opcode 1939 * @cd: pointer to command details structure or NULL 1940 * 1941 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware 1942 */ 1943int 1944ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 1945 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd) 1946{ 1947 struct ice_aqc_sw_rules *cmd; 1948 struct libie_aq_desc desc; 1949 int status; 1950 1951 if (opc != ice_aqc_opc_add_sw_rules && 1952 opc != ice_aqc_opc_update_sw_rules && 1953 opc != ice_aqc_opc_remove_sw_rules) 1954 return -EINVAL; 1955 1956 ice_fill_dflt_direct_cmd_desc(&desc, opc); 1957 cmd = libie_aq_raw(&desc); 1958 1959 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD); 1960 cmd->num_rules_fltr_entry_index = cpu_to_le16(num_rules); 1961 status = ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd); 1962 if (opc != ice_aqc_opc_add_sw_rules && 1963 hw->adminq.sq_last_status == LIBIE_AQ_RC_ENOENT) 1964 status = -ENOENT; 1965 1966 if (!status) { 1967 if (opc == ice_aqc_opc_add_sw_rules) 1968 hw->switch_info->rule_cnt += num_rules; 1969 else if (opc == ice_aqc_opc_remove_sw_rules) 1970 hw->switch_info->rule_cnt -= num_rules; 1971 } 1972 1973 trace_ice_aq_sw_rules(hw->switch_info); 1974 1975 return status; 1976} 1977 1978/** 1979 * ice_aq_add_recipe - add switch recipe 1980 * @hw: pointer to the HW struct 1981 * @s_recipe_list: pointer to switch rule population list 1982 * @num_recipes: number of switch recipes in the list 1983 * @cd: pointer to command details structure or NULL 1984 * 1985 * Add(0x0290) 1986 */ 1987int 1988ice_aq_add_recipe(struct ice_hw *hw, 1989 struct ice_aqc_recipe_data_elem *s_recipe_list, 1990 u16 num_recipes, struct ice_sq_cd *cd) 1991{ 1992 struct ice_aqc_add_get_recipe *cmd; 1993 struct libie_aq_desc desc; 1994 u16 buf_size; 1995 1996 cmd = libie_aq_raw(&desc); 1997 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe); 1998 1999 cmd->num_sub_recipes = cpu_to_le16(num_recipes); 2000 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD); 2001 2002 buf_size = num_recipes * sizeof(*s_recipe_list); 2003 2004 return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd); 2005} 2006 2007/** 2008 * ice_aq_get_recipe - get switch recipe 2009 * @hw: pointer to the HW struct 2010 * @s_recipe_list: pointer to switch rule population list 2011 * @num_recipes: pointer to the number of recipes (input and output) 2012 * @recipe_root: root recipe number of recipe(s) to retrieve 2013 * @cd: pointer to command details structure or NULL 2014 * 2015 * Get(0x0292) 2016 * 2017 * On input, *num_recipes should equal the number of entries in s_recipe_list. 2018 * On output, *num_recipes will equal the number of entries returned in 2019 * s_recipe_list. 2020 * 2021 * The caller must supply enough space in s_recipe_list to hold all possible 2022 * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES. 2023 */ 2024int 2025ice_aq_get_recipe(struct ice_hw *hw, 2026 struct ice_aqc_recipe_data_elem *s_recipe_list, 2027 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd) 2028{ 2029 struct ice_aqc_add_get_recipe *cmd; 2030 struct libie_aq_desc desc; 2031 u16 buf_size; 2032 int status; 2033 2034 if (*num_recipes != ICE_MAX_NUM_RECIPES) 2035 return -EINVAL; 2036 2037 cmd = libie_aq_raw(&desc); 2038 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe); 2039 2040 cmd->return_index = cpu_to_le16(recipe_root); 2041 cmd->num_sub_recipes = 0; 2042 2043 buf_size = *num_recipes * sizeof(*s_recipe_list); 2044 2045 status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd); 2046 *num_recipes = le16_to_cpu(cmd->num_sub_recipes); 2047 2048 return status; 2049} 2050 2051/** 2052 * ice_update_recipe_lkup_idx - update a default recipe based on the lkup_idx 2053 * @hw: pointer to the HW struct 2054 * @params: parameters used to update the default recipe 2055 * 2056 * This function only supports updating default recipes and it only supports 2057 * updating a single recipe based on the lkup_idx at a time. 2058 * 2059 * This is done as a read-modify-write operation. First, get the current recipe 2060 * contents based on the recipe's ID. Then modify the field vector index and 2061 * mask if it's valid at the lkup_idx. Finally, use the add recipe AQ to update 2062 * the pre-existing recipe with the modifications. 2063 */ 2064int 2065ice_update_recipe_lkup_idx(struct ice_hw *hw, 2066 struct ice_update_recipe_lkup_idx_params *params) 2067{ 2068 struct ice_aqc_recipe_data_elem *rcp_list; 2069 u16 num_recps = ICE_MAX_NUM_RECIPES; 2070 int status; 2071 2072 rcp_list = kcalloc(num_recps, sizeof(*rcp_list), GFP_KERNEL); 2073 if (!rcp_list) 2074 return -ENOMEM; 2075 2076 /* read current recipe list from firmware */ 2077 rcp_list->recipe_indx = params->rid; 2078 status = ice_aq_get_recipe(hw, rcp_list, &num_recps, params->rid, NULL); 2079 if (status) { 2080 ice_debug(hw, ICE_DBG_SW, "Failed to get recipe %d, status %d\n", 2081 params->rid, status); 2082 goto error_out; 2083 } 2084 2085 /* only modify existing recipe's lkup_idx and mask if valid, while 2086 * leaving all other fields the same, then update the recipe firmware 2087 */ 2088 rcp_list->content.lkup_indx[params->lkup_idx] = params->fv_idx; 2089 if (params->mask_valid) 2090 rcp_list->content.mask[params->lkup_idx] = 2091 cpu_to_le16(params->mask); 2092 2093 if (params->ignore_valid) 2094 rcp_list->content.lkup_indx[params->lkup_idx] |= 2095 ICE_AQ_RECIPE_LKUP_IGNORE; 2096 2097 status = ice_aq_add_recipe(hw, &rcp_list[0], 1, NULL); 2098 if (status) 2099 ice_debug(hw, ICE_DBG_SW, "Failed to update recipe %d lkup_idx %d fv_idx %d mask %d mask_valid %s, status %d\n", 2100 params->rid, params->lkup_idx, params->fv_idx, 2101 params->mask, params->mask_valid ? "true" : "false", 2102 status); 2103 2104error_out: 2105 kfree(rcp_list); 2106 return status; 2107} 2108 2109/** 2110 * ice_aq_map_recipe_to_profile - Map recipe to packet profile 2111 * @hw: pointer to the HW struct 2112 * @profile_id: package profile ID to associate the recipe with 2113 * @r_assoc: Recipe bitmap filled in and need to be returned as response 2114 * @cd: pointer to command details structure or NULL 2115 * Recipe to profile association (0x0291) 2116 */ 2117int 2118ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 r_assoc, 2119 struct ice_sq_cd *cd) 2120{ 2121 struct ice_aqc_recipe_to_profile *cmd; 2122 struct libie_aq_desc desc; 2123 2124 cmd = libie_aq_raw(&desc); 2125 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile); 2126 cmd->profile_id = cpu_to_le16(profile_id); 2127 /* Set the recipe ID bit in the bitmask to let the device know which 2128 * profile we are associating the recipe to 2129 */ 2130 cmd->recipe_assoc = cpu_to_le64(r_assoc); 2131 2132 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 2133} 2134 2135/** 2136 * ice_aq_get_recipe_to_profile - Map recipe to packet profile 2137 * @hw: pointer to the HW struct 2138 * @profile_id: package profile ID to associate the recipe with 2139 * @r_assoc: Recipe bitmap filled in and need to be returned as response 2140 * @cd: pointer to command details structure or NULL 2141 * Associate profile ID with given recipe (0x0293) 2142 */ 2143int 2144ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u64 *r_assoc, 2145 struct ice_sq_cd *cd) 2146{ 2147 struct ice_aqc_recipe_to_profile *cmd; 2148 struct libie_aq_desc desc; 2149 int status; 2150 2151 cmd = libie_aq_raw(&desc); 2152 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile); 2153 cmd->profile_id = cpu_to_le16(profile_id); 2154 2155 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 2156 if (!status) 2157 *r_assoc = le64_to_cpu(cmd->recipe_assoc); 2158 2159 return status; 2160} 2161 2162/** 2163 * ice_init_chk_recipe_reuse_support - check if recipe reuse is supported 2164 * @hw: pointer to the hardware structure 2165 */ 2166void ice_init_chk_recipe_reuse_support(struct ice_hw *hw) 2167{ 2168 struct ice_nvm_info *nvm = &hw->flash.nvm; 2169 2170 hw->recp_reuse = (nvm->major == 0x4 && nvm->minor >= 0x30) || 2171 nvm->major > 0x4; 2172} 2173 2174/** 2175 * ice_alloc_recipe - add recipe resource 2176 * @hw: pointer to the hardware structure 2177 * @rid: recipe ID returned as response to AQ call 2178 */ 2179int ice_alloc_recipe(struct ice_hw *hw, u16 *rid) 2180{ 2181 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1); 2182 u16 buf_len = __struct_size(sw_buf); 2183 u16 res_type; 2184 int status; 2185 2186 sw_buf->num_elems = cpu_to_le16(1); 2187 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, ICE_AQC_RES_TYPE_RECIPE); 2188 if (hw->recp_reuse) 2189 res_type |= ICE_AQC_RES_TYPE_FLAG_SUBSCRIBE_SHARED; 2190 else 2191 res_type |= ICE_AQC_RES_TYPE_FLAG_SHARED; 2192 sw_buf->res_type = cpu_to_le16(res_type); 2193 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, 2194 ice_aqc_opc_alloc_res); 2195 if (!status) { 2196 *rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp); 2197 hw->switch_info->recp_cnt++; 2198 } 2199 2200 return status; 2201} 2202 2203/** 2204 * ice_free_recipe_res - free recipe resource 2205 * @hw: pointer to the hardware structure 2206 * @rid: recipe ID to free 2207 * 2208 * Return: 0 on success, and others on error 2209 */ 2210static int ice_free_recipe_res(struct ice_hw *hw, u16 rid) 2211{ 2212 int status; 2213 2214 status = ice_free_hw_res(hw, ICE_AQC_RES_TYPE_RECIPE, 1, &rid); 2215 if (!status) 2216 hw->switch_info->recp_cnt--; 2217 2218 return status; 2219} 2220 2221/** 2222 * ice_release_recipe_res - disassociate and free recipe resource 2223 * @hw: pointer to the hardware structure 2224 * @recp: the recipe struct resource to unassociate and free 2225 * 2226 * Return: 0 on success, and others on error 2227 */ 2228static int ice_release_recipe_res(struct ice_hw *hw, 2229 struct ice_sw_recipe *recp) 2230{ 2231 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 2232 struct ice_switch_info *sw = hw->switch_info; 2233 u64 recp_assoc; 2234 u32 rid, prof; 2235 int status; 2236 2237 for_each_set_bit(rid, recp->r_bitmap, ICE_MAX_NUM_RECIPES) { 2238 for_each_set_bit(prof, recipe_to_profile[rid], 2239 ICE_MAX_NUM_PROFILES) { 2240 status = ice_aq_get_recipe_to_profile(hw, prof, 2241 &recp_assoc, 2242 NULL); 2243 if (status) 2244 return status; 2245 2246 bitmap_from_arr64(r_bitmap, &recp_assoc, 2247 ICE_MAX_NUM_RECIPES); 2248 bitmap_andnot(r_bitmap, r_bitmap, recp->r_bitmap, 2249 ICE_MAX_NUM_RECIPES); 2250 bitmap_to_arr64(&recp_assoc, r_bitmap, 2251 ICE_MAX_NUM_RECIPES); 2252 ice_aq_map_recipe_to_profile(hw, prof, 2253 recp_assoc, NULL); 2254 2255 clear_bit(rid, profile_to_recipe[prof]); 2256 clear_bit(prof, recipe_to_profile[rid]); 2257 } 2258 2259 status = ice_free_recipe_res(hw, rid); 2260 if (status) 2261 return status; 2262 2263 sw->recp_list[rid].recp_created = false; 2264 sw->recp_list[rid].adv_rule = false; 2265 memset(&sw->recp_list[rid].lkup_exts, 0, 2266 sizeof(sw->recp_list[rid].lkup_exts)); 2267 clear_bit(rid, recp->r_bitmap); 2268 } 2269 2270 return 0; 2271} 2272 2273/** 2274 * ice_get_recp_to_prof_map - updates recipe to profile mapping 2275 * @hw: pointer to hardware structure 2276 * 2277 * This function is used to populate recipe_to_profile matrix where index to 2278 * this array is the recipe ID and the element is the mapping of which profiles 2279 * is this recipe mapped to. 2280 */ 2281static void ice_get_recp_to_prof_map(struct ice_hw *hw) 2282{ 2283 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 2284 u64 recp_assoc; 2285 u16 i; 2286 2287 for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) { 2288 u16 j; 2289 2290 bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES); 2291 bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES); 2292 if (ice_aq_get_recipe_to_profile(hw, i, &recp_assoc, NULL)) 2293 continue; 2294 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES); 2295 bitmap_copy(profile_to_recipe[i], r_bitmap, 2296 ICE_MAX_NUM_RECIPES); 2297 for_each_set_bit(j, r_bitmap, ICE_MAX_NUM_RECIPES) 2298 set_bit(i, recipe_to_profile[j]); 2299 } 2300} 2301 2302/** 2303 * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries 2304 * @hw: pointer to hardware structure 2305 * @recps: struct that we need to populate 2306 * @rid: recipe ID that we are populating 2307 * @refresh_required: true if we should get recipe to profile mapping from FW 2308 * @is_add: flag of adding recipe 2309 * 2310 * This function is used to populate all the necessary entries into our 2311 * bookkeeping so that we have a current list of all the recipes that are 2312 * programmed in the firmware. 2313 */ 2314static int 2315ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid, 2316 bool *refresh_required, bool is_add) 2317{ 2318 DECLARE_BITMAP(result_bm, ICE_MAX_FV_WORDS); 2319 struct ice_aqc_recipe_data_elem *tmp; 2320 u16 num_recps = ICE_MAX_NUM_RECIPES; 2321 struct ice_prot_lkup_ext *lkup_exts; 2322 u8 fv_word_idx = 0; 2323 u16 sub_recps; 2324 int status; 2325 2326 bitmap_zero(result_bm, ICE_MAX_FV_WORDS); 2327 2328 /* we need a buffer big enough to accommodate all the recipes */ 2329 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL); 2330 if (!tmp) 2331 return -ENOMEM; 2332 2333 tmp[0].recipe_indx = rid; 2334 status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL); 2335 /* non-zero status meaning recipe doesn't exist */ 2336 if (status) 2337 goto err_unroll; 2338 2339 /* Get recipe to profile map so that we can get the fv from lkups that 2340 * we read for a recipe from FW. Since we want to minimize the number of 2341 * times we make this FW call, just make one call and cache the copy 2342 * until a new recipe is added. This operation is only required the 2343 * first time to get the changes from FW. Then to search existing 2344 * entries we don't need to update the cache again until another recipe 2345 * gets added. 2346 */ 2347 if (*refresh_required) { 2348 ice_get_recp_to_prof_map(hw); 2349 *refresh_required = false; 2350 } 2351 2352 /* Start populating all the entries for recps[rid] based on lkups from 2353 * firmware. Note that we are only creating the root recipe in our 2354 * database. 2355 */ 2356 lkup_exts = &recps[rid].lkup_exts; 2357 2358 for (sub_recps = 0; sub_recps < num_recps; sub_recps++) { 2359 struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps]; 2360 u8 i, prof, idx, prot = 0; 2361 bool is_root; 2362 u16 off = 0; 2363 2364 idx = root_bufs.recipe_indx; 2365 is_root = root_bufs.content.rid & ICE_AQ_RECIPE_ID_IS_ROOT; 2366 2367 /* Mark all result indices in this chain */ 2368 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) 2369 set_bit(root_bufs.content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN, 2370 result_bm); 2371 2372 /* get the first profile that is associated with rid */ 2373 prof = find_first_bit(recipe_to_profile[idx], 2374 ICE_MAX_NUM_PROFILES); 2375 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) { 2376 u8 lkup_indx = root_bufs.content.lkup_indx[i]; 2377 u16 lkup_mask = le16_to_cpu(root_bufs.content.mask[i]); 2378 2379 /* If the recipe is a chained recipe then all its 2380 * child recipe's result will have a result index. 2381 * To fill fv_words we should not use those result 2382 * index, we only need the protocol ids and offsets. 2383 * We will skip all the fv_idx which stores result 2384 * index in them. We also need to skip any fv_idx which 2385 * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a 2386 * valid offset value. 2387 */ 2388 if (!lkup_indx || 2389 (lkup_indx & ICE_AQ_RECIPE_LKUP_IGNORE) || 2390 test_bit(lkup_indx, 2391 hw->switch_info->prof_res_bm[prof])) 2392 continue; 2393 2394 ice_find_prot_off(hw, ICE_BLK_SW, prof, lkup_indx, 2395 &prot, &off); 2396 lkup_exts->fv_words[fv_word_idx].prot_id = prot; 2397 lkup_exts->fv_words[fv_word_idx].off = off; 2398 lkup_exts->field_mask[fv_word_idx] = lkup_mask; 2399 fv_word_idx++; 2400 } 2401 2402 /* Propagate some data to the recipe database */ 2403 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority; 2404 recps[idx].need_pass_l2 = !!(root_bufs.content.act_ctrl & 2405 ICE_AQ_RECIPE_ACT_NEED_PASS_L2); 2406 recps[idx].allow_pass_l2 = !!(root_bufs.content.act_ctrl & 2407 ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2); 2408 bitmap_zero(recps[idx].res_idxs, ICE_MAX_FV_WORDS); 2409 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) { 2410 set_bit(root_bufs.content.result_indx & 2411 ~ICE_AQ_RECIPE_RESULT_EN, recps[idx].res_idxs); 2412 } 2413 2414 if (!is_root) { 2415 if (hw->recp_reuse && is_add) 2416 recps[idx].recp_created = true; 2417 2418 continue; 2419 } 2420 2421 /* Only do the following for root recipes entries */ 2422 memcpy(recps[idx].r_bitmap, root_bufs.recipe_bitmap, 2423 sizeof(recps[idx].r_bitmap)); 2424 recps[idx].root_rid = root_bufs.content.rid & 2425 ~ICE_AQ_RECIPE_ID_IS_ROOT; 2426 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority; 2427 } 2428 2429 /* Complete initialization of the root recipe entry */ 2430 lkup_exts->n_val_words = fv_word_idx; 2431 2432 /* Copy result indexes */ 2433 bitmap_copy(recps[rid].res_idxs, result_bm, ICE_MAX_FV_WORDS); 2434 if (is_add) 2435 recps[rid].recp_created = true; 2436 2437err_unroll: 2438 kfree(tmp); 2439 return status; 2440} 2441 2442/* ice_init_port_info - Initialize port_info with switch configuration data 2443 * @pi: pointer to port_info 2444 * @vsi_port_num: VSI number or port number 2445 * @type: Type of switch element (port or VSI) 2446 * @swid: switch ID of the switch the element is attached to 2447 * @pf_vf_num: PF or VF number 2448 * @is_vf: true if the element is a VF, false otherwise 2449 */ 2450static void 2451ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type, 2452 u16 swid, u16 pf_vf_num, bool is_vf) 2453{ 2454 switch (type) { 2455 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 2456 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK); 2457 pi->sw_id = swid; 2458 pi->pf_vf_num = pf_vf_num; 2459 pi->is_vf = is_vf; 2460 break; 2461 default: 2462 ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n"); 2463 break; 2464 } 2465} 2466 2467/* ice_get_initial_sw_cfg - Get initial port and default VSI data 2468 * @hw: pointer to the hardware structure 2469 */ 2470int ice_get_initial_sw_cfg(struct ice_hw *hw) 2471{ 2472 struct ice_aqc_get_sw_cfg_resp_elem *rbuf; 2473 u16 req_desc = 0; 2474 u16 num_elems; 2475 int status; 2476 u16 i; 2477 2478 rbuf = kzalloc(ICE_SW_CFG_MAX_BUF_LEN, GFP_KERNEL); 2479 if (!rbuf) 2480 return -ENOMEM; 2481 2482 /* Multiple calls to ice_aq_get_sw_cfg may be required 2483 * to get all the switch configuration information. The need 2484 * for additional calls is indicated by ice_aq_get_sw_cfg 2485 * writing a non-zero value in req_desc 2486 */ 2487 do { 2488 struct ice_aqc_get_sw_cfg_resp_elem *ele; 2489 2490 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN, 2491 &req_desc, &num_elems, NULL); 2492 2493 if (status) 2494 break; 2495 2496 for (i = 0, ele = rbuf; i < num_elems; i++, ele++) { 2497 u16 pf_vf_num, swid, vsi_port_num; 2498 bool is_vf = false; 2499 u8 res_type; 2500 2501 vsi_port_num = le16_to_cpu(ele->vsi_port_num) & 2502 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M; 2503 2504 pf_vf_num = le16_to_cpu(ele->pf_vf_num) & 2505 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M; 2506 2507 swid = le16_to_cpu(ele->swid); 2508 2509 if (le16_to_cpu(ele->pf_vf_num) & 2510 ICE_AQC_GET_SW_CONF_RESP_IS_VF) 2511 is_vf = true; 2512 2513 res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >> 2514 ICE_AQC_GET_SW_CONF_RESP_TYPE_S); 2515 2516 if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) { 2517 /* FW VSI is not needed. Just continue. */ 2518 continue; 2519 } 2520 2521 ice_init_port_info(hw->port_info, vsi_port_num, 2522 res_type, swid, pf_vf_num, is_vf); 2523 } 2524 } while (req_desc && !status); 2525 2526 kfree(rbuf); 2527 return status; 2528} 2529 2530/** 2531 * ice_fill_sw_info - Helper function to populate lb_en and lan_en 2532 * @hw: pointer to the hardware structure 2533 * @fi: filter info structure to fill/update 2534 * 2535 * This helper function populates the lb_en and lan_en elements of the provided 2536 * ice_fltr_info struct using the switch's type and characteristics of the 2537 * switch rule being configured. 2538 */ 2539static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi) 2540{ 2541 fi->lb_en = false; 2542 fi->lan_en = false; 2543 if ((fi->flag & ICE_FLTR_TX) && 2544 (fi->fltr_act == ICE_FWD_TO_VSI || 2545 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 2546 fi->fltr_act == ICE_FWD_TO_Q || 2547 fi->fltr_act == ICE_FWD_TO_QGRP)) { 2548 /* Setting LB for prune actions will result in replicated 2549 * packets to the internal switch that will be dropped. 2550 */ 2551 if (fi->lkup_type != ICE_SW_LKUP_VLAN) 2552 fi->lb_en = true; 2553 2554 /* Set lan_en to TRUE if 2555 * 1. The switch is a VEB AND 2556 * 2 2557 * 2.1 The lookup is a directional lookup like ethertype, 2558 * promiscuous, ethertype-MAC, promiscuous-VLAN 2559 * and default-port OR 2560 * 2.2 The lookup is VLAN, OR 2561 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR 2562 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC. 2563 * 2564 * OR 2565 * 2566 * The switch is a VEPA. 2567 * 2568 * In all other cases, the LAN enable has to be set to false. 2569 */ 2570 if (hw->evb_veb) { 2571 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE || 2572 fi->lkup_type == ICE_SW_LKUP_PROMISC || 2573 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 2574 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 2575 fi->lkup_type == ICE_SW_LKUP_DFLT || 2576 fi->lkup_type == ICE_SW_LKUP_VLAN || 2577 (fi->lkup_type == ICE_SW_LKUP_MAC && 2578 !is_unicast_ether_addr(fi->l_data.mac.mac_addr)) || 2579 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN && 2580 !is_unicast_ether_addr(fi->l_data.mac.mac_addr))) 2581 fi->lan_en = true; 2582 } else { 2583 fi->lan_en = true; 2584 } 2585 } 2586 2587 if (fi->flag & ICE_FLTR_TX_ONLY) 2588 fi->lan_en = false; 2589} 2590 2591/** 2592 * ice_fill_eth_hdr - helper to copy dummy_eth_hdr into supplied buffer 2593 * @eth_hdr: pointer to buffer to populate 2594 */ 2595void ice_fill_eth_hdr(u8 *eth_hdr) 2596{ 2597 memcpy(eth_hdr, dummy_eth_header, DUMMY_ETH_HDR_LEN); 2598} 2599 2600/** 2601 * ice_fill_sw_rule - Helper function to fill switch rule structure 2602 * @hw: pointer to the hardware structure 2603 * @f_info: entry containing packet forwarding information 2604 * @s_rule: switch rule structure to be filled in based on mac_entry 2605 * @opc: switch rules population command type - pass in the command opcode 2606 */ 2607static void 2608ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info, 2609 struct ice_sw_rule_lkup_rx_tx *s_rule, 2610 enum ice_adminq_opc opc) 2611{ 2612 u16 vlan_id = ICE_MAX_VLAN_ID + 1; 2613 u16 vlan_tpid = ETH_P_8021Q; 2614 void *daddr = NULL; 2615 u16 eth_hdr_sz; 2616 u8 *eth_hdr; 2617 u32 act = 0; 2618 __be16 *off; 2619 u8 q_rgn; 2620 2621 if (opc == ice_aqc_opc_remove_sw_rules) { 2622 s_rule->act = 0; 2623 s_rule->index = cpu_to_le16(f_info->fltr_rule_id); 2624 s_rule->hdr_len = 0; 2625 return; 2626 } 2627 2628 eth_hdr_sz = sizeof(dummy_eth_header); 2629 eth_hdr = s_rule->hdr_data; 2630 2631 /* initialize the ether header with a dummy header */ 2632 memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz); 2633 ice_fill_sw_info(hw, f_info); 2634 2635 switch (f_info->fltr_act) { 2636 case ICE_FWD_TO_VSI: 2637 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M, 2638 f_info->fwd_id.hw_vsi_id); 2639 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 2640 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 2641 ICE_SINGLE_ACT_VALID_BIT; 2642 break; 2643 case ICE_FWD_TO_VSI_LIST: 2644 act |= ICE_SINGLE_ACT_VSI_LIST; 2645 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_LIST_ID_M, 2646 f_info->fwd_id.vsi_list_id); 2647 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 2648 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 2649 ICE_SINGLE_ACT_VALID_BIT; 2650 break; 2651 case ICE_FWD_TO_Q: 2652 act |= ICE_SINGLE_ACT_TO_Q; 2653 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M, 2654 f_info->fwd_id.q_id); 2655 break; 2656 case ICE_DROP_PACKET: 2657 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | 2658 ICE_SINGLE_ACT_VALID_BIT; 2659 break; 2660 case ICE_FWD_TO_QGRP: 2661 q_rgn = f_info->qgrp_size > 0 ? 2662 (u8)ilog2(f_info->qgrp_size) : 0; 2663 act |= ICE_SINGLE_ACT_TO_Q; 2664 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M, 2665 f_info->fwd_id.q_id); 2666 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn); 2667 break; 2668 default: 2669 return; 2670 } 2671 2672 if (f_info->lb_en) 2673 act |= ICE_SINGLE_ACT_LB_ENABLE; 2674 if (f_info->lan_en) 2675 act |= ICE_SINGLE_ACT_LAN_ENABLE; 2676 2677 switch (f_info->lkup_type) { 2678 case ICE_SW_LKUP_MAC: 2679 daddr = f_info->l_data.mac.mac_addr; 2680 break; 2681 case ICE_SW_LKUP_VLAN: 2682 vlan_id = f_info->l_data.vlan.vlan_id; 2683 if (f_info->l_data.vlan.tpid_valid) 2684 vlan_tpid = f_info->l_data.vlan.tpid; 2685 if (f_info->fltr_act == ICE_FWD_TO_VSI || 2686 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { 2687 act |= ICE_SINGLE_ACT_PRUNE; 2688 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS; 2689 } 2690 break; 2691 case ICE_SW_LKUP_ETHERTYPE_MAC: 2692 daddr = f_info->l_data.ethertype_mac.mac_addr; 2693 fallthrough; 2694 case ICE_SW_LKUP_ETHERTYPE: 2695 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); 2696 *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype); 2697 break; 2698 case ICE_SW_LKUP_MAC_VLAN: 2699 daddr = f_info->l_data.mac_vlan.mac_addr; 2700 vlan_id = f_info->l_data.mac_vlan.vlan_id; 2701 break; 2702 case ICE_SW_LKUP_PROMISC_VLAN: 2703 vlan_id = f_info->l_data.mac_vlan.vlan_id; 2704 fallthrough; 2705 case ICE_SW_LKUP_PROMISC: 2706 daddr = f_info->l_data.mac_vlan.mac_addr; 2707 break; 2708 default: 2709 break; 2710 } 2711 2712 s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ? 2713 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) : 2714 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX); 2715 2716 /* Recipe set depending on lookup type */ 2717 s_rule->recipe_id = cpu_to_le16(f_info->lkup_type); 2718 s_rule->src = cpu_to_le16(f_info->src); 2719 s_rule->act = cpu_to_le32(act); 2720 2721 if (daddr) 2722 ether_addr_copy(eth_hdr + ICE_ETH_DA_OFFSET, daddr); 2723 2724 if (!(vlan_id > ICE_MAX_VLAN_ID)) { 2725 off = (__force __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET); 2726 *off = cpu_to_be16(vlan_id); 2727 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); 2728 *off = cpu_to_be16(vlan_tpid); 2729 } 2730 2731 /* Create the switch rule with the final dummy Ethernet header */ 2732 if (opc != ice_aqc_opc_update_sw_rules) 2733 s_rule->hdr_len = cpu_to_le16(eth_hdr_sz); 2734} 2735 2736/** 2737 * ice_add_marker_act 2738 * @hw: pointer to the hardware structure 2739 * @m_ent: the management entry for which sw marker needs to be added 2740 * @sw_marker: sw marker to tag the Rx descriptor with 2741 * @l_id: large action resource ID 2742 * 2743 * Create a large action to hold software marker and update the switch rule 2744 * entry pointed by m_ent with newly created large action 2745 */ 2746static int 2747ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 2748 u16 sw_marker, u16 l_id) 2749{ 2750 struct ice_sw_rule_lkup_rx_tx *rx_tx; 2751 struct ice_sw_rule_lg_act *lg_act; 2752 /* For software marker we need 3 large actions 2753 * 1. FWD action: FWD TO VSI or VSI LIST 2754 * 2. GENERIC VALUE action to hold the profile ID 2755 * 3. GENERIC VALUE action to hold the software marker ID 2756 */ 2757 const u16 num_lg_acts = 3; 2758 u16 lg_act_size; 2759 u16 rules_size; 2760 int status; 2761 u32 act; 2762 u16 id; 2763 2764 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 2765 return -EINVAL; 2766 2767 /* Create two back-to-back switch rules and submit them to the HW using 2768 * one memory buffer: 2769 * 1. Large Action 2770 * 2. Look up Tx Rx 2771 */ 2772 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(lg_act, num_lg_acts); 2773 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(rx_tx); 2774 lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL); 2775 if (!lg_act) 2776 return -ENOMEM; 2777 2778 rx_tx = (typeof(rx_tx))((u8 *)lg_act + lg_act_size); 2779 2780 /* Fill in the first switch rule i.e. large action */ 2781 lg_act->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LG_ACT); 2782 lg_act->index = cpu_to_le16(l_id); 2783 lg_act->size = cpu_to_le16(num_lg_acts); 2784 2785 /* First action VSI forwarding or VSI list forwarding depending on how 2786 * many VSIs 2787 */ 2788 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 2789 m_ent->fltr_info.fwd_id.hw_vsi_id; 2790 2791 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 2792 act |= FIELD_PREP(ICE_LG_ACT_VSI_LIST_ID_M, id); 2793 if (m_ent->vsi_count > 1) 2794 act |= ICE_LG_ACT_VSI_LIST; 2795 lg_act->act[0] = cpu_to_le32(act); 2796 2797 /* Second action descriptor type */ 2798 act = ICE_LG_ACT_GENERIC; 2799 2800 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, 1); 2801 lg_act->act[1] = cpu_to_le32(act); 2802 2803 act = FIELD_PREP(ICE_LG_ACT_GENERIC_OFFSET_M, 2804 ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX); 2805 2806 /* Third action Marker value */ 2807 act |= ICE_LG_ACT_GENERIC; 2808 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, sw_marker); 2809 2810 lg_act->act[2] = cpu_to_le32(act); 2811 2812 /* call the fill switch rule to fill the lookup Tx Rx structure */ 2813 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 2814 ice_aqc_opc_update_sw_rules); 2815 2816 /* Update the action to point to the large action ID */ 2817 act = ICE_SINGLE_ACT_PTR; 2818 act |= FIELD_PREP(ICE_SINGLE_ACT_PTR_VAL_M, l_id); 2819 rx_tx->act = cpu_to_le32(act); 2820 2821 /* Use the filter rule ID of the previously created rule with single 2822 * act. Once the update happens, hardware will treat this as large 2823 * action 2824 */ 2825 rx_tx->index = cpu_to_le16(m_ent->fltr_info.fltr_rule_id); 2826 2827 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 2828 ice_aqc_opc_update_sw_rules, NULL); 2829 if (!status) { 2830 m_ent->lg_act_idx = l_id; 2831 m_ent->sw_marker_id = sw_marker; 2832 } 2833 2834 devm_kfree(ice_hw_to_dev(hw), lg_act); 2835 return status; 2836} 2837 2838/** 2839 * ice_create_vsi_list_map 2840 * @hw: pointer to the hardware structure 2841 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping 2842 * @num_vsi: number of VSI handles in the array 2843 * @vsi_list_id: VSI list ID generated as part of allocate resource 2844 * 2845 * Helper function to create a new entry of VSI list ID to VSI mapping 2846 * using the given VSI list ID 2847 */ 2848static struct ice_vsi_list_map_info * 2849ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 2850 u16 vsi_list_id) 2851{ 2852 struct ice_switch_info *sw = hw->switch_info; 2853 struct ice_vsi_list_map_info *v_map; 2854 int i; 2855 2856 v_map = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*v_map), GFP_KERNEL); 2857 if (!v_map) 2858 return NULL; 2859 2860 v_map->vsi_list_id = vsi_list_id; 2861 v_map->ref_cnt = 1; 2862 for (i = 0; i < num_vsi; i++) 2863 set_bit(vsi_handle_arr[i], v_map->vsi_map); 2864 2865 list_add(&v_map->list_entry, &sw->vsi_list_map_head); 2866 return v_map; 2867} 2868 2869/** 2870 * ice_update_vsi_list_rule 2871 * @hw: pointer to the hardware structure 2872 * @vsi_handle_arr: array of VSI handles to form a VSI list 2873 * @num_vsi: number of VSI handles in the array 2874 * @vsi_list_id: VSI list ID generated as part of allocate resource 2875 * @remove: Boolean value to indicate if this is a remove action 2876 * @opc: switch rules population command type - pass in the command opcode 2877 * @lkup_type: lookup type of the filter 2878 * 2879 * Call AQ command to add a new switch rule or update existing switch rule 2880 * using the given VSI list ID 2881 */ 2882static int 2883ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 2884 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc, 2885 enum ice_sw_lkup_type lkup_type) 2886{ 2887 struct ice_sw_rule_vsi_list *s_rule; 2888 u16 s_rule_size; 2889 u16 rule_type; 2890 int status; 2891 int i; 2892 2893 if (!num_vsi) 2894 return -EINVAL; 2895 2896 if (lkup_type == ICE_SW_LKUP_MAC || 2897 lkup_type == ICE_SW_LKUP_MAC_VLAN || 2898 lkup_type == ICE_SW_LKUP_ETHERTYPE || 2899 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 2900 lkup_type == ICE_SW_LKUP_PROMISC || 2901 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 2902 lkup_type == ICE_SW_LKUP_DFLT || 2903 lkup_type == ICE_SW_LKUP_LAST) 2904 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR : 2905 ICE_AQC_SW_RULES_T_VSI_LIST_SET; 2906 else if (lkup_type == ICE_SW_LKUP_VLAN) 2907 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR : 2908 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET; 2909 else 2910 return -EINVAL; 2911 2912 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, num_vsi); 2913 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL); 2914 if (!s_rule) 2915 return -ENOMEM; 2916 for (i = 0; i < num_vsi; i++) { 2917 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) { 2918 status = -EINVAL; 2919 goto exit; 2920 } 2921 /* AQ call requires hw_vsi_id(s) */ 2922 s_rule->vsi[i] = 2923 cpu_to_le16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i])); 2924 } 2925 2926 s_rule->hdr.type = cpu_to_le16(rule_type); 2927 s_rule->number_vsi = cpu_to_le16(num_vsi); 2928 s_rule->index = cpu_to_le16(vsi_list_id); 2929 2930 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL); 2931 2932exit: 2933 devm_kfree(ice_hw_to_dev(hw), s_rule); 2934 return status; 2935} 2936 2937/** 2938 * ice_create_vsi_list_rule - Creates and populates a VSI list rule 2939 * @hw: pointer to the HW struct 2940 * @vsi_handle_arr: array of VSI handles to form a VSI list 2941 * @num_vsi: number of VSI handles in the array 2942 * @vsi_list_id: stores the ID of the VSI list to be created 2943 * @lkup_type: switch rule filter's lookup type 2944 */ 2945static int 2946ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 2947 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type) 2948{ 2949 int status; 2950 2951 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type, 2952 ice_aqc_opc_alloc_res); 2953 if (status) 2954 return status; 2955 2956 /* Update the newly created VSI list to include the specified VSIs */ 2957 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi, 2958 *vsi_list_id, false, 2959 ice_aqc_opc_add_sw_rules, lkup_type); 2960} 2961 2962/** 2963 * ice_create_pkt_fwd_rule 2964 * @hw: pointer to the hardware structure 2965 * @f_entry: entry containing packet forwarding information 2966 * 2967 * Create switch rule with given filter information and add an entry 2968 * to the corresponding filter management list to track this switch rule 2969 * and VSI mapping 2970 */ 2971static int 2972ice_create_pkt_fwd_rule(struct ice_hw *hw, 2973 struct ice_fltr_list_entry *f_entry) 2974{ 2975 struct ice_fltr_mgmt_list_entry *fm_entry; 2976 struct ice_sw_rule_lkup_rx_tx *s_rule; 2977 enum ice_sw_lkup_type l_type; 2978 struct ice_sw_recipe *recp; 2979 int status; 2980 2981 s_rule = devm_kzalloc(ice_hw_to_dev(hw), 2982 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 2983 GFP_KERNEL); 2984 if (!s_rule) 2985 return -ENOMEM; 2986 fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry), 2987 GFP_KERNEL); 2988 if (!fm_entry) { 2989 status = -ENOMEM; 2990 goto ice_create_pkt_fwd_rule_exit; 2991 } 2992 2993 fm_entry->fltr_info = f_entry->fltr_info; 2994 2995 /* Initialize all the fields for the management entry */ 2996 fm_entry->vsi_count = 1; 2997 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX; 2998 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID; 2999 fm_entry->counter_index = ICE_INVAL_COUNTER_ID; 3000 3001 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule, 3002 ice_aqc_opc_add_sw_rules); 3003 3004 status = ice_aq_sw_rules(hw, s_rule, 3005 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1, 3006 ice_aqc_opc_add_sw_rules, NULL); 3007 if (status) { 3008 devm_kfree(ice_hw_to_dev(hw), fm_entry); 3009 goto ice_create_pkt_fwd_rule_exit; 3010 } 3011 3012 f_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index); 3013 fm_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index); 3014 3015 /* The book keeping entries will get removed when base driver 3016 * calls remove filter AQ command 3017 */ 3018 l_type = fm_entry->fltr_info.lkup_type; 3019 recp = &hw->switch_info->recp_list[l_type]; 3020 list_add(&fm_entry->list_entry, &recp->filt_rules); 3021 3022ice_create_pkt_fwd_rule_exit: 3023 devm_kfree(ice_hw_to_dev(hw), s_rule); 3024 return status; 3025} 3026 3027/** 3028 * ice_update_pkt_fwd_rule 3029 * @hw: pointer to the hardware structure 3030 * @f_info: filter information for switch rule 3031 * 3032 * Call AQ command to update a previously created switch rule with a 3033 * VSI list ID 3034 */ 3035static int 3036ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info) 3037{ 3038 struct ice_sw_rule_lkup_rx_tx *s_rule; 3039 int status; 3040 3041 s_rule = devm_kzalloc(ice_hw_to_dev(hw), 3042 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 3043 GFP_KERNEL); 3044 if (!s_rule) 3045 return -ENOMEM; 3046 3047 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules); 3048 3049 s_rule->index = cpu_to_le16(f_info->fltr_rule_id); 3050 3051 /* Update switch rule with new rule set to forward VSI list */ 3052 status = ice_aq_sw_rules(hw, s_rule, 3053 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1, 3054 ice_aqc_opc_update_sw_rules, NULL); 3055 3056 devm_kfree(ice_hw_to_dev(hw), s_rule); 3057 return status; 3058} 3059 3060/** 3061 * ice_update_sw_rule_bridge_mode 3062 * @hw: pointer to the HW struct 3063 * 3064 * Updates unicast switch filter rules based on VEB/VEPA mode 3065 */ 3066int ice_update_sw_rule_bridge_mode(struct ice_hw *hw) 3067{ 3068 struct ice_switch_info *sw = hw->switch_info; 3069 struct ice_fltr_mgmt_list_entry *fm_entry; 3070 struct list_head *rule_head; 3071 struct mutex *rule_lock; /* Lock to protect filter rule list */ 3072 int status = 0; 3073 3074 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 3075 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 3076 3077 mutex_lock(rule_lock); 3078 list_for_each_entry(fm_entry, rule_head, list_entry) { 3079 struct ice_fltr_info *fi = &fm_entry->fltr_info; 3080 u8 *addr = fi->l_data.mac.mac_addr; 3081 3082 /* Update unicast Tx rules to reflect the selected 3083 * VEB/VEPA mode 3084 */ 3085 if ((fi->flag & ICE_FLTR_TX) && is_unicast_ether_addr(addr) && 3086 (fi->fltr_act == ICE_FWD_TO_VSI || 3087 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 3088 fi->fltr_act == ICE_FWD_TO_Q || 3089 fi->fltr_act == ICE_FWD_TO_QGRP)) { 3090 status = ice_update_pkt_fwd_rule(hw, fi); 3091 if (status) 3092 break; 3093 } 3094 } 3095 3096 mutex_unlock(rule_lock); 3097 3098 return status; 3099} 3100 3101/** 3102 * ice_add_update_vsi_list 3103 * @hw: pointer to the hardware structure 3104 * @m_entry: pointer to current filter management list entry 3105 * @cur_fltr: filter information from the book keeping entry 3106 * @new_fltr: filter information with the new VSI to be added 3107 * 3108 * Call AQ command to add or update previously created VSI list with new VSI. 3109 * 3110 * Helper function to do book keeping associated with adding filter information 3111 * The algorithm to do the book keeping is described below : 3112 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.) 3113 * if only one VSI has been added till now 3114 * Allocate a new VSI list and add two VSIs 3115 * to this list using switch rule command 3116 * Update the previously created switch rule with the 3117 * newly created VSI list ID 3118 * if a VSI list was previously created 3119 * Add the new VSI to the previously created VSI list set 3120 * using the update switch rule command 3121 */ 3122static int 3123ice_add_update_vsi_list(struct ice_hw *hw, 3124 struct ice_fltr_mgmt_list_entry *m_entry, 3125 struct ice_fltr_info *cur_fltr, 3126 struct ice_fltr_info *new_fltr) 3127{ 3128 u16 vsi_list_id = 0; 3129 int status = 0; 3130 3131 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q || 3132 cur_fltr->fltr_act == ICE_FWD_TO_QGRP)) 3133 return -EOPNOTSUPP; 3134 3135 if ((new_fltr->fltr_act == ICE_FWD_TO_Q || 3136 new_fltr->fltr_act == ICE_FWD_TO_QGRP) && 3137 (cur_fltr->fltr_act == ICE_FWD_TO_VSI || 3138 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST)) 3139 return -EOPNOTSUPP; 3140 3141 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { 3142 /* Only one entry existed in the mapping and it was not already 3143 * a part of a VSI list. So, create a VSI list with the old and 3144 * new VSIs. 3145 */ 3146 struct ice_fltr_info tmp_fltr; 3147 u16 vsi_handle_arr[2]; 3148 3149 /* A rule already exists with the new VSI being added */ 3150 if (cur_fltr->vsi_handle == new_fltr->vsi_handle) 3151 return -EEXIST; 3152 3153 vsi_handle_arr[0] = cur_fltr->vsi_handle; 3154 vsi_handle_arr[1] = new_fltr->vsi_handle; 3155 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 3156 &vsi_list_id, 3157 new_fltr->lkup_type); 3158 if (status) 3159 return status; 3160 3161 tmp_fltr = *new_fltr; 3162 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; 3163 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 3164 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 3165 /* Update the previous switch rule of "MAC forward to VSI" to 3166 * "MAC fwd to VSI list" 3167 */ 3168 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 3169 if (status) 3170 return status; 3171 3172 cur_fltr->fwd_id.vsi_list_id = vsi_list_id; 3173 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 3174 m_entry->vsi_list_info = 3175 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 3176 vsi_list_id); 3177 3178 if (!m_entry->vsi_list_info) 3179 return -ENOMEM; 3180 3181 /* If this entry was large action then the large action needs 3182 * to be updated to point to FWD to VSI list 3183 */ 3184 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) 3185 status = 3186 ice_add_marker_act(hw, m_entry, 3187 m_entry->sw_marker_id, 3188 m_entry->lg_act_idx); 3189 } else { 3190 u16 vsi_handle = new_fltr->vsi_handle; 3191 enum ice_adminq_opc opcode; 3192 3193 if (!m_entry->vsi_list_info) 3194 return -EIO; 3195 3196 /* A rule already exists with the new VSI being added */ 3197 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) 3198 return -EEXIST; 3199 3200 /* Update the previously created VSI list set with 3201 * the new VSI ID passed in 3202 */ 3203 vsi_list_id = cur_fltr->fwd_id.vsi_list_id; 3204 opcode = ice_aqc_opc_update_sw_rules; 3205 3206 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, 3207 vsi_list_id, false, opcode, 3208 new_fltr->lkup_type); 3209 /* update VSI list mapping info with new VSI ID */ 3210 if (!status) 3211 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map); 3212 } 3213 if (!status) 3214 m_entry->vsi_count++; 3215 return status; 3216} 3217 3218/** 3219 * ice_find_rule_entry - Search a rule entry 3220 * @hw: pointer to the hardware structure 3221 * @recp_id: lookup type for which the specified rule needs to be searched 3222 * @f_info: rule information 3223 * 3224 * Helper function to search for a given rule entry 3225 * Returns pointer to entry storing the rule if found 3226 */ 3227static struct ice_fltr_mgmt_list_entry * 3228ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info) 3229{ 3230 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL; 3231 struct ice_switch_info *sw = hw->switch_info; 3232 struct list_head *list_head; 3233 3234 list_head = &sw->recp_list[recp_id].filt_rules; 3235 list_for_each_entry(list_itr, list_head, list_entry) { 3236 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, 3237 sizeof(f_info->l_data)) && 3238 f_info->flag == list_itr->fltr_info.flag) { 3239 ret = list_itr; 3240 break; 3241 } 3242 } 3243 return ret; 3244} 3245 3246/** 3247 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1 3248 * @hw: pointer to the hardware structure 3249 * @recp_id: lookup type for which VSI lists needs to be searched 3250 * @vsi_handle: VSI handle to be found in VSI list 3251 * @vsi_list_id: VSI list ID found containing vsi_handle 3252 * 3253 * Helper function to search a VSI list with single entry containing given VSI 3254 * handle element. This can be extended further to search VSI list with more 3255 * than 1 vsi_count. Returns pointer to VSI list entry if found. 3256 */ 3257struct ice_vsi_list_map_info * 3258ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 3259 u16 *vsi_list_id) 3260{ 3261 struct ice_vsi_list_map_info *map_info = NULL; 3262 struct ice_switch_info *sw = hw->switch_info; 3263 struct ice_fltr_mgmt_list_entry *list_itr; 3264 struct list_head *list_head; 3265 3266 list_head = &sw->recp_list[recp_id].filt_rules; 3267 list_for_each_entry(list_itr, list_head, list_entry) { 3268 if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) { 3269 map_info = list_itr->vsi_list_info; 3270 if (test_bit(vsi_handle, map_info->vsi_map)) { 3271 *vsi_list_id = map_info->vsi_list_id; 3272 return map_info; 3273 } 3274 } 3275 } 3276 return NULL; 3277} 3278 3279/** 3280 * ice_add_rule_internal - add rule for a given lookup type 3281 * @hw: pointer to the hardware structure 3282 * @recp_id: lookup type (recipe ID) for which rule has to be added 3283 * @f_entry: structure containing MAC forwarding information 3284 * 3285 * Adds or updates the rule lists for a given recipe 3286 */ 3287static int 3288ice_add_rule_internal(struct ice_hw *hw, u8 recp_id, 3289 struct ice_fltr_list_entry *f_entry) 3290{ 3291 struct ice_switch_info *sw = hw->switch_info; 3292 struct ice_fltr_info *new_fltr, *cur_fltr; 3293 struct ice_fltr_mgmt_list_entry *m_entry; 3294 struct mutex *rule_lock; /* Lock to protect filter rule list */ 3295 int status = 0; 3296 3297 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 3298 return -EINVAL; 3299 f_entry->fltr_info.fwd_id.hw_vsi_id = 3300 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 3301 3302 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 3303 3304 mutex_lock(rule_lock); 3305 new_fltr = &f_entry->fltr_info; 3306 if (new_fltr->flag & ICE_FLTR_RX) 3307 new_fltr->src = hw->port_info->lport; 3308 else if (new_fltr->flag & ICE_FLTR_TX) 3309 new_fltr->src = f_entry->fltr_info.fwd_id.hw_vsi_id; 3310 3311 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr); 3312 if (!m_entry) { 3313 mutex_unlock(rule_lock); 3314 return ice_create_pkt_fwd_rule(hw, f_entry); 3315 } 3316 3317 cur_fltr = &m_entry->fltr_info; 3318 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr); 3319 mutex_unlock(rule_lock); 3320 3321 return status; 3322} 3323 3324/** 3325 * ice_remove_vsi_list_rule 3326 * @hw: pointer to the hardware structure 3327 * @vsi_list_id: VSI list ID generated as part of allocate resource 3328 * @lkup_type: switch rule filter lookup type 3329 * 3330 * The VSI list should be emptied before this function is called to remove the 3331 * VSI list. 3332 */ 3333static int 3334ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id, 3335 enum ice_sw_lkup_type lkup_type) 3336{ 3337 struct ice_sw_rule_vsi_list *s_rule; 3338 u16 s_rule_size; 3339 int status; 3340 3341 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, 0); 3342 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL); 3343 if (!s_rule) 3344 return -ENOMEM; 3345 3346 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR); 3347 s_rule->index = cpu_to_le16(vsi_list_id); 3348 3349 /* Free the vsi_list resource that we allocated. It is assumed that the 3350 * list is empty at this point. 3351 */ 3352 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type, 3353 ice_aqc_opc_free_res); 3354 3355 devm_kfree(ice_hw_to_dev(hw), s_rule); 3356 return status; 3357} 3358 3359/** 3360 * ice_rem_update_vsi_list 3361 * @hw: pointer to the hardware structure 3362 * @vsi_handle: VSI handle of the VSI to remove 3363 * @fm_list: filter management entry for which the VSI list management needs to 3364 * be done 3365 */ 3366static int 3367ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, 3368 struct ice_fltr_mgmt_list_entry *fm_list) 3369{ 3370 enum ice_sw_lkup_type lkup_type; 3371 u16 vsi_list_id; 3372 int status = 0; 3373 3374 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST || 3375 fm_list->vsi_count == 0) 3376 return -EINVAL; 3377 3378 /* A rule with the VSI being removed does not exist */ 3379 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map)) 3380 return -ENOENT; 3381 3382 lkup_type = fm_list->fltr_info.lkup_type; 3383 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id; 3384 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, 3385 ice_aqc_opc_update_sw_rules, 3386 lkup_type); 3387 if (status) 3388 return status; 3389 3390 fm_list->vsi_count--; 3391 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); 3392 3393 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) { 3394 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info; 3395 struct ice_vsi_list_map_info *vsi_list_info = 3396 fm_list->vsi_list_info; 3397 u16 rem_vsi_handle; 3398 3399 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map, 3400 ICE_MAX_VSI); 3401 if (!ice_is_vsi_valid(hw, rem_vsi_handle)) 3402 return -EIO; 3403 3404 /* Make sure VSI list is empty before removing it below */ 3405 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, 3406 vsi_list_id, true, 3407 ice_aqc_opc_update_sw_rules, 3408 lkup_type); 3409 if (status) 3410 return status; 3411 3412 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI; 3413 tmp_fltr_info.fwd_id.hw_vsi_id = 3414 ice_get_hw_vsi_num(hw, rem_vsi_handle); 3415 tmp_fltr_info.vsi_handle = rem_vsi_handle; 3416 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info); 3417 if (status) { 3418 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", 3419 tmp_fltr_info.fwd_id.hw_vsi_id, status); 3420 return status; 3421 } 3422 3423 fm_list->fltr_info = tmp_fltr_info; 3424 } 3425 3426 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) || 3427 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) { 3428 struct ice_vsi_list_map_info *vsi_list_info = 3429 fm_list->vsi_list_info; 3430 3431 /* Remove the VSI list since it is no longer used */ 3432 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); 3433 if (status) { 3434 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n", 3435 vsi_list_id, status); 3436 return status; 3437 } 3438 3439 list_del(&vsi_list_info->list_entry); 3440 devm_kfree(ice_hw_to_dev(hw), vsi_list_info); 3441 fm_list->vsi_list_info = NULL; 3442 } 3443 3444 return status; 3445} 3446 3447/** 3448 * ice_remove_rule_internal - Remove a filter rule of a given type 3449 * @hw: pointer to the hardware structure 3450 * @recp_id: recipe ID for which the rule needs to removed 3451 * @f_entry: rule entry containing filter information 3452 */ 3453static int 3454ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id, 3455 struct ice_fltr_list_entry *f_entry) 3456{ 3457 struct ice_switch_info *sw = hw->switch_info; 3458 struct ice_fltr_mgmt_list_entry *list_elem; 3459 struct mutex *rule_lock; /* Lock to protect filter rule list */ 3460 bool remove_rule = false; 3461 u16 vsi_handle; 3462 int status = 0; 3463 3464 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 3465 return -EINVAL; 3466 f_entry->fltr_info.fwd_id.hw_vsi_id = 3467 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 3468 3469 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 3470 mutex_lock(rule_lock); 3471 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info); 3472 if (!list_elem) { 3473 status = -ENOENT; 3474 goto exit; 3475 } 3476 3477 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) { 3478 remove_rule = true; 3479 } else if (!list_elem->vsi_list_info) { 3480 status = -ENOENT; 3481 goto exit; 3482 } else if (list_elem->vsi_list_info->ref_cnt > 1) { 3483 /* a ref_cnt > 1 indicates that the vsi_list is being 3484 * shared by multiple rules. Decrement the ref_cnt and 3485 * remove this rule, but do not modify the list, as it 3486 * is in-use by other rules. 3487 */ 3488 list_elem->vsi_list_info->ref_cnt--; 3489 remove_rule = true; 3490 } else { 3491 /* a ref_cnt of 1 indicates the vsi_list is only used 3492 * by one rule. However, the original removal request is only 3493 * for a single VSI. Update the vsi_list first, and only 3494 * remove the rule if there are no further VSIs in this list. 3495 */ 3496 vsi_handle = f_entry->fltr_info.vsi_handle; 3497 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem); 3498 if (status) 3499 goto exit; 3500 /* if VSI count goes to zero after updating the VSI list */ 3501 if (list_elem->vsi_count == 0) 3502 remove_rule = true; 3503 } 3504 3505 if (remove_rule) { 3506 /* Remove the lookup rule */ 3507 struct ice_sw_rule_lkup_rx_tx *s_rule; 3508 3509 s_rule = devm_kzalloc(ice_hw_to_dev(hw), 3510 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule), 3511 GFP_KERNEL); 3512 if (!s_rule) { 3513 status = -ENOMEM; 3514 goto exit; 3515 } 3516 3517 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule, 3518 ice_aqc_opc_remove_sw_rules); 3519 3520 status = ice_aq_sw_rules(hw, s_rule, 3521 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule), 3522 1, ice_aqc_opc_remove_sw_rules, NULL); 3523 3524 /* Remove a book keeping from the list */ 3525 devm_kfree(ice_hw_to_dev(hw), s_rule); 3526 3527 if (status) 3528 goto exit; 3529 3530 list_del(&list_elem->list_entry); 3531 devm_kfree(ice_hw_to_dev(hw), list_elem); 3532 } 3533exit: 3534 mutex_unlock(rule_lock); 3535 return status; 3536} 3537 3538/** 3539 * ice_vlan_fltr_exist - does this VLAN filter exist for given VSI 3540 * @hw: pointer to the hardware structure 3541 * @vlan_id: VLAN ID 3542 * @vsi_handle: check MAC filter for this VSI 3543 */ 3544bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle) 3545{ 3546 struct ice_fltr_mgmt_list_entry *entry; 3547 struct list_head *rule_head; 3548 struct ice_switch_info *sw; 3549 struct mutex *rule_lock; /* Lock to protect filter rule list */ 3550 u16 hw_vsi_id; 3551 3552 if (vlan_id > ICE_MAX_VLAN_ID) 3553 return false; 3554 3555 if (!ice_is_vsi_valid(hw, vsi_handle)) 3556 return false; 3557 3558 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3559 sw = hw->switch_info; 3560 rule_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; 3561 if (!rule_head) 3562 return false; 3563 3564 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 3565 mutex_lock(rule_lock); 3566 list_for_each_entry(entry, rule_head, list_entry) { 3567 struct ice_fltr_info *f_info = &entry->fltr_info; 3568 u16 entry_vlan_id = f_info->l_data.vlan.vlan_id; 3569 struct ice_vsi_list_map_info *map_info; 3570 3571 if (entry_vlan_id > ICE_MAX_VLAN_ID) 3572 continue; 3573 3574 if (f_info->flag != ICE_FLTR_TX || 3575 f_info->src_id != ICE_SRC_ID_VSI || 3576 f_info->lkup_type != ICE_SW_LKUP_VLAN) 3577 continue; 3578 3579 /* Only allowed filter action are FWD_TO_VSI/_VSI_LIST */ 3580 if (f_info->fltr_act != ICE_FWD_TO_VSI && 3581 f_info->fltr_act != ICE_FWD_TO_VSI_LIST) 3582 continue; 3583 3584 if (f_info->fltr_act == ICE_FWD_TO_VSI) { 3585 if (hw_vsi_id != f_info->fwd_id.hw_vsi_id) 3586 continue; 3587 } else if (f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { 3588 /* If filter_action is FWD_TO_VSI_LIST, make sure 3589 * that VSI being checked is part of VSI list 3590 */ 3591 if (entry->vsi_count == 1 && 3592 entry->vsi_list_info) { 3593 map_info = entry->vsi_list_info; 3594 if (!test_bit(vsi_handle, map_info->vsi_map)) 3595 continue; 3596 } 3597 } 3598 3599 if (vlan_id == entry_vlan_id) { 3600 mutex_unlock(rule_lock); 3601 return true; 3602 } 3603 } 3604 mutex_unlock(rule_lock); 3605 3606 return false; 3607} 3608 3609/** 3610 * ice_add_mac - Add a MAC address based filter rule 3611 * @hw: pointer to the hardware structure 3612 * @m_list: list of MAC addresses and forwarding information 3613 */ 3614int ice_add_mac(struct ice_hw *hw, struct list_head *m_list) 3615{ 3616 struct ice_fltr_list_entry *m_list_itr; 3617 int status = 0; 3618 3619 if (!m_list || !hw) 3620 return -EINVAL; 3621 3622 list_for_each_entry(m_list_itr, m_list, list_entry) { 3623 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0]; 3624 u16 vsi_handle; 3625 u16 hw_vsi_id; 3626 3627 m_list_itr->fltr_info.flag = ICE_FLTR_TX; 3628 vsi_handle = m_list_itr->fltr_info.vsi_handle; 3629 if (!ice_is_vsi_valid(hw, vsi_handle)) 3630 return -EINVAL; 3631 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3632 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id; 3633 /* update the src in case it is VSI num */ 3634 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI) 3635 return -EINVAL; 3636 m_list_itr->fltr_info.src = hw_vsi_id; 3637 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC || 3638 is_zero_ether_addr(add)) 3639 return -EINVAL; 3640 3641 m_list_itr->status = ice_add_rule_internal(hw, ICE_SW_LKUP_MAC, 3642 m_list_itr); 3643 if (m_list_itr->status) 3644 return m_list_itr->status; 3645 } 3646 3647 return status; 3648} 3649 3650/** 3651 * ice_add_vlan_internal - Add one VLAN based filter rule 3652 * @hw: pointer to the hardware structure 3653 * @f_entry: filter entry containing one VLAN information 3654 */ 3655static int 3656ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry) 3657{ 3658 struct ice_switch_info *sw = hw->switch_info; 3659 struct ice_fltr_mgmt_list_entry *v_list_itr; 3660 struct ice_fltr_info *new_fltr, *cur_fltr; 3661 enum ice_sw_lkup_type lkup_type; 3662 u16 vsi_list_id = 0, vsi_handle; 3663 struct mutex *rule_lock; /* Lock to protect filter rule list */ 3664 int status = 0; 3665 3666 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 3667 return -EINVAL; 3668 3669 f_entry->fltr_info.fwd_id.hw_vsi_id = 3670 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 3671 new_fltr = &f_entry->fltr_info; 3672 3673 /* VLAN ID should only be 12 bits */ 3674 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID) 3675 return -EINVAL; 3676 3677 if (new_fltr->src_id != ICE_SRC_ID_VSI) 3678 return -EINVAL; 3679 3680 new_fltr->src = new_fltr->fwd_id.hw_vsi_id; 3681 lkup_type = new_fltr->lkup_type; 3682 vsi_handle = new_fltr->vsi_handle; 3683 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 3684 mutex_lock(rule_lock); 3685 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr); 3686 if (!v_list_itr) { 3687 struct ice_vsi_list_map_info *map_info = NULL; 3688 3689 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) { 3690 /* All VLAN pruning rules use a VSI list. Check if 3691 * there is already a VSI list containing VSI that we 3692 * want to add. If found, use the same vsi_list_id for 3693 * this new VLAN rule or else create a new list. 3694 */ 3695 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN, 3696 vsi_handle, 3697 &vsi_list_id); 3698 if (!map_info) { 3699 status = ice_create_vsi_list_rule(hw, 3700 &vsi_handle, 3701 1, 3702 &vsi_list_id, 3703 lkup_type); 3704 if (status) 3705 goto exit; 3706 } 3707 /* Convert the action to forwarding to a VSI list. */ 3708 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 3709 new_fltr->fwd_id.vsi_list_id = vsi_list_id; 3710 } 3711 3712 status = ice_create_pkt_fwd_rule(hw, f_entry); 3713 if (!status) { 3714 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, 3715 new_fltr); 3716 if (!v_list_itr) { 3717 status = -ENOENT; 3718 goto exit; 3719 } 3720 /* reuse VSI list for new rule and increment ref_cnt */ 3721 if (map_info) { 3722 v_list_itr->vsi_list_info = map_info; 3723 map_info->ref_cnt++; 3724 } else { 3725 v_list_itr->vsi_list_info = 3726 ice_create_vsi_list_map(hw, &vsi_handle, 3727 1, vsi_list_id); 3728 } 3729 } 3730 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) { 3731 /* Update existing VSI list to add new VSI ID only if it used 3732 * by one VLAN rule. 3733 */ 3734 cur_fltr = &v_list_itr->fltr_info; 3735 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr, 3736 new_fltr); 3737 } else { 3738 /* If VLAN rule exists and VSI list being used by this rule is 3739 * referenced by more than 1 VLAN rule. Then create a new VSI 3740 * list appending previous VSI with new VSI and update existing 3741 * VLAN rule to point to new VSI list ID 3742 */ 3743 struct ice_fltr_info tmp_fltr; 3744 u16 vsi_handle_arr[2]; 3745 u16 cur_handle; 3746 3747 /* Current implementation only supports reusing VSI list with 3748 * one VSI count. We should never hit below condition 3749 */ 3750 if (v_list_itr->vsi_count > 1 && 3751 v_list_itr->vsi_list_info->ref_cnt > 1) { 3752 ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n"); 3753 status = -EIO; 3754 goto exit; 3755 } 3756 3757 cur_handle = 3758 find_first_bit(v_list_itr->vsi_list_info->vsi_map, 3759 ICE_MAX_VSI); 3760 3761 /* A rule already exists with the new VSI being added */ 3762 if (cur_handle == vsi_handle) { 3763 status = -EEXIST; 3764 goto exit; 3765 } 3766 3767 vsi_handle_arr[0] = cur_handle; 3768 vsi_handle_arr[1] = vsi_handle; 3769 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 3770 &vsi_list_id, lkup_type); 3771 if (status) 3772 goto exit; 3773 3774 tmp_fltr = v_list_itr->fltr_info; 3775 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id; 3776 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 3777 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 3778 /* Update the previous switch rule to a new VSI list which 3779 * includes current VSI that is requested 3780 */ 3781 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 3782 if (status) 3783 goto exit; 3784 3785 /* before overriding VSI list map info. decrement ref_cnt of 3786 * previous VSI list 3787 */ 3788 v_list_itr->vsi_list_info->ref_cnt--; 3789 3790 /* now update to newly created list */ 3791 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id; 3792 v_list_itr->vsi_list_info = 3793 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 3794 vsi_list_id); 3795 v_list_itr->vsi_count++; 3796 } 3797 3798exit: 3799 mutex_unlock(rule_lock); 3800 return status; 3801} 3802 3803/** 3804 * ice_add_vlan - Add VLAN based filter rule 3805 * @hw: pointer to the hardware structure 3806 * @v_list: list of VLAN entries and forwarding information 3807 */ 3808int ice_add_vlan(struct ice_hw *hw, struct list_head *v_list) 3809{ 3810 struct ice_fltr_list_entry *v_list_itr; 3811 3812 if (!v_list || !hw) 3813 return -EINVAL; 3814 3815 list_for_each_entry(v_list_itr, v_list, list_entry) { 3816 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN) 3817 return -EINVAL; 3818 v_list_itr->fltr_info.flag = ICE_FLTR_TX; 3819 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr); 3820 if (v_list_itr->status) 3821 return v_list_itr->status; 3822 } 3823 return 0; 3824} 3825 3826/** 3827 * ice_add_eth_mac - Add ethertype and MAC based filter rule 3828 * @hw: pointer to the hardware structure 3829 * @em_list: list of ether type MAC filter, MAC is optional 3830 * 3831 * This function requires the caller to populate the entries in 3832 * the filter list with the necessary fields (including flags to 3833 * indicate Tx or Rx rules). 3834 */ 3835int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list) 3836{ 3837 struct ice_fltr_list_entry *em_list_itr; 3838 3839 if (!em_list || !hw) 3840 return -EINVAL; 3841 3842 list_for_each_entry(em_list_itr, em_list, list_entry) { 3843 enum ice_sw_lkup_type l_type = 3844 em_list_itr->fltr_info.lkup_type; 3845 3846 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 3847 l_type != ICE_SW_LKUP_ETHERTYPE) 3848 return -EINVAL; 3849 3850 em_list_itr->status = ice_add_rule_internal(hw, l_type, 3851 em_list_itr); 3852 if (em_list_itr->status) 3853 return em_list_itr->status; 3854 } 3855 return 0; 3856} 3857 3858/** 3859 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule 3860 * @hw: pointer to the hardware structure 3861 * @em_list: list of ethertype or ethertype MAC entries 3862 */ 3863int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list) 3864{ 3865 struct ice_fltr_list_entry *em_list_itr, *tmp; 3866 3867 if (!em_list || !hw) 3868 return -EINVAL; 3869 3870 list_for_each_entry_safe(em_list_itr, tmp, em_list, list_entry) { 3871 enum ice_sw_lkup_type l_type = 3872 em_list_itr->fltr_info.lkup_type; 3873 3874 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 3875 l_type != ICE_SW_LKUP_ETHERTYPE) 3876 return -EINVAL; 3877 3878 em_list_itr->status = ice_remove_rule_internal(hw, l_type, 3879 em_list_itr); 3880 if (em_list_itr->status) 3881 return em_list_itr->status; 3882 } 3883 return 0; 3884} 3885 3886/** 3887 * ice_rem_sw_rule_info 3888 * @hw: pointer to the hardware structure 3889 * @rule_head: pointer to the switch list structure that we want to delete 3890 */ 3891static void 3892ice_rem_sw_rule_info(struct ice_hw *hw, struct list_head *rule_head) 3893{ 3894 if (!list_empty(rule_head)) { 3895 struct ice_fltr_mgmt_list_entry *entry; 3896 struct ice_fltr_mgmt_list_entry *tmp; 3897 3898 list_for_each_entry_safe(entry, tmp, rule_head, list_entry) { 3899 list_del(&entry->list_entry); 3900 devm_kfree(ice_hw_to_dev(hw), entry); 3901 } 3902 } 3903} 3904 3905/** 3906 * ice_rem_adv_rule_info 3907 * @hw: pointer to the hardware structure 3908 * @rule_head: pointer to the switch list structure that we want to delete 3909 */ 3910static void 3911ice_rem_adv_rule_info(struct ice_hw *hw, struct list_head *rule_head) 3912{ 3913 struct ice_adv_fltr_mgmt_list_entry *tmp_entry; 3914 struct ice_adv_fltr_mgmt_list_entry *lst_itr; 3915 3916 if (list_empty(rule_head)) 3917 return; 3918 3919 list_for_each_entry_safe(lst_itr, tmp_entry, rule_head, list_entry) { 3920 list_del(&lst_itr->list_entry); 3921 devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups); 3922 devm_kfree(ice_hw_to_dev(hw), lst_itr); 3923 } 3924} 3925 3926/** 3927 * ice_cfg_dflt_vsi - change state of VSI to set/clear default 3928 * @pi: pointer to the port_info structure 3929 * @vsi_handle: VSI handle to set as default 3930 * @set: true to add the above mentioned switch rule, false to remove it 3931 * @direction: ICE_FLTR_RX or ICE_FLTR_TX 3932 * 3933 * add filter rule to set/unset given VSI as default VSI for the switch 3934 * (represented by swid) 3935 */ 3936int 3937ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 3938 u8 direction) 3939{ 3940 struct ice_fltr_list_entry f_list_entry; 3941 struct ice_fltr_info f_info; 3942 struct ice_hw *hw = pi->hw; 3943 u16 hw_vsi_id; 3944 int status; 3945 3946 if (!ice_is_vsi_valid(hw, vsi_handle)) 3947 return -EINVAL; 3948 3949 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3950 3951 memset(&f_info, 0, sizeof(f_info)); 3952 3953 f_info.lkup_type = ICE_SW_LKUP_DFLT; 3954 f_info.flag = direction; 3955 f_info.fltr_act = ICE_FWD_TO_VSI; 3956 f_info.fwd_id.hw_vsi_id = hw_vsi_id; 3957 f_info.vsi_handle = vsi_handle; 3958 3959 if (f_info.flag & ICE_FLTR_RX) { 3960 f_info.src = hw->port_info->lport; 3961 f_info.src_id = ICE_SRC_ID_LPORT; 3962 } else if (f_info.flag & ICE_FLTR_TX) { 3963 f_info.src_id = ICE_SRC_ID_VSI; 3964 f_info.src = hw_vsi_id; 3965 f_info.flag |= ICE_FLTR_TX_ONLY; 3966 } 3967 f_list_entry.fltr_info = f_info; 3968 3969 if (set) 3970 status = ice_add_rule_internal(hw, ICE_SW_LKUP_DFLT, 3971 &f_list_entry); 3972 else 3973 status = ice_remove_rule_internal(hw, ICE_SW_LKUP_DFLT, 3974 &f_list_entry); 3975 3976 return status; 3977} 3978 3979/** 3980 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter 3981 * @fm_entry: filter entry to inspect 3982 * @vsi_handle: VSI handle to compare with filter info 3983 */ 3984static bool 3985ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) 3986{ 3987 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && 3988 fm_entry->fltr_info.vsi_handle == vsi_handle) || 3989 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && 3990 fm_entry->vsi_list_info && 3991 (test_bit(vsi_handle, fm_entry->vsi_list_info->vsi_map)))); 3992} 3993 3994/** 3995 * ice_check_if_dflt_vsi - check if VSI is default VSI 3996 * @pi: pointer to the port_info structure 3997 * @vsi_handle: vsi handle to check for in filter list 3998 * @rule_exists: indicates if there are any VSI's in the rule list 3999 * 4000 * checks if the VSI is in a default VSI list, and also indicates 4001 * if the default VSI list is empty 4002 */ 4003bool 4004ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, 4005 bool *rule_exists) 4006{ 4007 struct ice_fltr_mgmt_list_entry *fm_entry; 4008 struct ice_sw_recipe *recp_list; 4009 struct list_head *rule_head; 4010 struct mutex *rule_lock; /* Lock to protect filter rule list */ 4011 bool ret = false; 4012 4013 recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT]; 4014 rule_lock = &recp_list->filt_rule_lock; 4015 rule_head = &recp_list->filt_rules; 4016 4017 mutex_lock(rule_lock); 4018 4019 if (rule_exists && !list_empty(rule_head)) 4020 *rule_exists = true; 4021 4022 list_for_each_entry(fm_entry, rule_head, list_entry) { 4023 if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) { 4024 ret = true; 4025 break; 4026 } 4027 } 4028 4029 mutex_unlock(rule_lock); 4030 4031 return ret; 4032} 4033 4034/** 4035 * ice_remove_mac - remove a MAC address based filter rule 4036 * @hw: pointer to the hardware structure 4037 * @m_list: list of MAC addresses and forwarding information 4038 * 4039 * This function removes either a MAC filter rule or a specific VSI from a 4040 * VSI list for a multicast MAC address. 4041 * 4042 * Returns -ENOENT if a given entry was not added by ice_add_mac. Caller should 4043 * be aware that this call will only work if all the entries passed into m_list 4044 * were added previously. It will not attempt to do a partial remove of entries 4045 * that were found. 4046 */ 4047int ice_remove_mac(struct ice_hw *hw, struct list_head *m_list) 4048{ 4049 struct ice_fltr_list_entry *list_itr, *tmp; 4050 4051 if (!m_list) 4052 return -EINVAL; 4053 4054 list_for_each_entry_safe(list_itr, tmp, m_list, list_entry) { 4055 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type; 4056 u16 vsi_handle; 4057 4058 if (l_type != ICE_SW_LKUP_MAC) 4059 return -EINVAL; 4060 4061 vsi_handle = list_itr->fltr_info.vsi_handle; 4062 if (!ice_is_vsi_valid(hw, vsi_handle)) 4063 return -EINVAL; 4064 4065 list_itr->fltr_info.fwd_id.hw_vsi_id = 4066 ice_get_hw_vsi_num(hw, vsi_handle); 4067 4068 list_itr->status = ice_remove_rule_internal(hw, 4069 ICE_SW_LKUP_MAC, 4070 list_itr); 4071 if (list_itr->status) 4072 return list_itr->status; 4073 } 4074 return 0; 4075} 4076 4077/** 4078 * ice_remove_vlan - Remove VLAN based filter rule 4079 * @hw: pointer to the hardware structure 4080 * @v_list: list of VLAN entries and forwarding information 4081 */ 4082int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list) 4083{ 4084 struct ice_fltr_list_entry *v_list_itr, *tmp; 4085 4086 if (!v_list || !hw) 4087 return -EINVAL; 4088 4089 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) { 4090 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 4091 4092 if (l_type != ICE_SW_LKUP_VLAN) 4093 return -EINVAL; 4094 v_list_itr->status = ice_remove_rule_internal(hw, 4095 ICE_SW_LKUP_VLAN, 4096 v_list_itr); 4097 if (v_list_itr->status) 4098 return v_list_itr->status; 4099 } 4100 return 0; 4101} 4102 4103/** 4104 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list 4105 * @hw: pointer to the hardware structure 4106 * @vsi_handle: VSI handle to remove filters from 4107 * @vsi_list_head: pointer to the list to add entry to 4108 * @fi: pointer to fltr_info of filter entry to copy & add 4109 * 4110 * Helper function, used when creating a list of filters to remove from 4111 * a specific VSI. The entry added to vsi_list_head is a COPY of the 4112 * original filter entry, with the exception of fltr_info.fltr_act and 4113 * fltr_info.fwd_id fields. These are set such that later logic can 4114 * extract which VSI to remove the fltr from, and pass on that information. 4115 */ 4116static int 4117ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 4118 struct list_head *vsi_list_head, 4119 struct ice_fltr_info *fi) 4120{ 4121 struct ice_fltr_list_entry *tmp; 4122 4123 /* this memory is freed up in the caller function 4124 * once filters for this VSI are removed 4125 */ 4126 tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp), GFP_KERNEL); 4127 if (!tmp) 4128 return -ENOMEM; 4129 4130 tmp->fltr_info = *fi; 4131 4132 /* Overwrite these fields to indicate which VSI to remove filter from, 4133 * so find and remove logic can extract the information from the 4134 * list entries. Note that original entries will still have proper 4135 * values. 4136 */ 4137 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 4138 tmp->fltr_info.vsi_handle = vsi_handle; 4139 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 4140 4141 list_add(&tmp->list_entry, vsi_list_head); 4142 4143 return 0; 4144} 4145 4146/** 4147 * ice_add_to_vsi_fltr_list - Add VSI filters to the list 4148 * @hw: pointer to the hardware structure 4149 * @vsi_handle: VSI handle to remove filters from 4150 * @lkup_list_head: pointer to the list that has certain lookup type filters 4151 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle 4152 * 4153 * Locates all filters in lkup_list_head that are used by the given VSI, 4154 * and adds COPIES of those entries to vsi_list_head (intended to be used 4155 * to remove the listed filters). 4156 * Note that this means all entries in vsi_list_head must be explicitly 4157 * deallocated by the caller when done with list. 4158 */ 4159static int 4160ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 4161 struct list_head *lkup_list_head, 4162 struct list_head *vsi_list_head) 4163{ 4164 struct ice_fltr_mgmt_list_entry *fm_entry; 4165 int status = 0; 4166 4167 /* check to make sure VSI ID is valid and within boundary */ 4168 if (!ice_is_vsi_valid(hw, vsi_handle)) 4169 return -EINVAL; 4170 4171 list_for_each_entry(fm_entry, lkup_list_head, list_entry) { 4172 if (!ice_vsi_uses_fltr(fm_entry, vsi_handle)) 4173 continue; 4174 4175 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 4176 vsi_list_head, 4177 &fm_entry->fltr_info); 4178 if (status) 4179 return status; 4180 } 4181 return status; 4182} 4183 4184/** 4185 * ice_determine_promisc_mask 4186 * @fi: filter info to parse 4187 * 4188 * Helper function to determine which ICE_PROMISC_ mask corresponds 4189 * to given filter into. 4190 */ 4191static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi) 4192{ 4193 u16 vid = fi->l_data.mac_vlan.vlan_id; 4194 u8 *macaddr = fi->l_data.mac.mac_addr; 4195 bool is_tx_fltr = false; 4196 u8 promisc_mask = 0; 4197 4198 if (fi->flag == ICE_FLTR_TX) 4199 is_tx_fltr = true; 4200 4201 if (is_broadcast_ether_addr(macaddr)) 4202 promisc_mask |= is_tx_fltr ? 4203 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX; 4204 else if (is_multicast_ether_addr(macaddr)) 4205 promisc_mask |= is_tx_fltr ? 4206 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX; 4207 else if (is_unicast_ether_addr(macaddr)) 4208 promisc_mask |= is_tx_fltr ? 4209 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX; 4210 if (vid) 4211 promisc_mask |= is_tx_fltr ? 4212 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX; 4213 4214 return promisc_mask; 4215} 4216 4217/** 4218 * ice_remove_promisc - Remove promisc based filter rules 4219 * @hw: pointer to the hardware structure 4220 * @recp_id: recipe ID for which the rule needs to removed 4221 * @v_list: list of promisc entries 4222 */ 4223static int 4224ice_remove_promisc(struct ice_hw *hw, u8 recp_id, struct list_head *v_list) 4225{ 4226 struct ice_fltr_list_entry *v_list_itr, *tmp; 4227 4228 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) { 4229 v_list_itr->status = 4230 ice_remove_rule_internal(hw, recp_id, v_list_itr); 4231 if (v_list_itr->status) 4232 return v_list_itr->status; 4233 } 4234 return 0; 4235} 4236 4237/** 4238 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI 4239 * @hw: pointer to the hardware structure 4240 * @vsi_handle: VSI handle to clear mode 4241 * @promisc_mask: mask of promiscuous config bits to clear 4242 * @vid: VLAN ID to clear VLAN promiscuous 4243 */ 4244int 4245ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 4246 u16 vid) 4247{ 4248 struct ice_switch_info *sw = hw->switch_info; 4249 struct ice_fltr_list_entry *fm_entry, *tmp; 4250 struct list_head remove_list_head; 4251 struct ice_fltr_mgmt_list_entry *itr; 4252 struct list_head *rule_head; 4253 struct mutex *rule_lock; /* Lock to protect filter rule list */ 4254 int status = 0; 4255 u8 recipe_id; 4256 4257 if (!ice_is_vsi_valid(hw, vsi_handle)) 4258 return -EINVAL; 4259 4260 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) 4261 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 4262 else 4263 recipe_id = ICE_SW_LKUP_PROMISC; 4264 4265 rule_head = &sw->recp_list[recipe_id].filt_rules; 4266 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock; 4267 4268 INIT_LIST_HEAD(&remove_list_head); 4269 4270 mutex_lock(rule_lock); 4271 list_for_each_entry(itr, rule_head, list_entry) { 4272 struct ice_fltr_info *fltr_info; 4273 u8 fltr_promisc_mask = 0; 4274 4275 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 4276 continue; 4277 fltr_info = &itr->fltr_info; 4278 4279 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN && 4280 vid != fltr_info->l_data.mac_vlan.vlan_id) 4281 continue; 4282 4283 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info); 4284 4285 /* Skip if filter is not completely specified by given mask */ 4286 if (fltr_promisc_mask & ~promisc_mask) 4287 continue; 4288 4289 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 4290 &remove_list_head, 4291 fltr_info); 4292 if (status) { 4293 mutex_unlock(rule_lock); 4294 goto free_fltr_list; 4295 } 4296 } 4297 mutex_unlock(rule_lock); 4298 4299 status = ice_remove_promisc(hw, recipe_id, &remove_list_head); 4300 4301free_fltr_list: 4302 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) { 4303 list_del(&fm_entry->list_entry); 4304 devm_kfree(ice_hw_to_dev(hw), fm_entry); 4305 } 4306 4307 return status; 4308} 4309 4310/** 4311 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s) 4312 * @hw: pointer to the hardware structure 4313 * @vsi_handle: VSI handle to configure 4314 * @promisc_mask: mask of promiscuous config bits 4315 * @vid: VLAN ID to set VLAN promiscuous 4316 */ 4317int 4318ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) 4319{ 4320 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR }; 4321 struct ice_fltr_list_entry f_list_entry; 4322 struct ice_fltr_info new_fltr; 4323 bool is_tx_fltr; 4324 int status = 0; 4325 u16 hw_vsi_id; 4326 int pkt_type; 4327 u8 recipe_id; 4328 4329 if (!ice_is_vsi_valid(hw, vsi_handle)) 4330 return -EINVAL; 4331 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 4332 4333 memset(&new_fltr, 0, sizeof(new_fltr)); 4334 4335 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) { 4336 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN; 4337 new_fltr.l_data.mac_vlan.vlan_id = vid; 4338 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 4339 } else { 4340 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC; 4341 recipe_id = ICE_SW_LKUP_PROMISC; 4342 } 4343 4344 /* Separate filters must be set for each direction/packet type 4345 * combination, so we will loop over the mask value, store the 4346 * individual type, and clear it out in the input mask as it 4347 * is found. 4348 */ 4349 while (promisc_mask) { 4350 u8 *mac_addr; 4351 4352 pkt_type = 0; 4353 is_tx_fltr = false; 4354 4355 if (promisc_mask & ICE_PROMISC_UCAST_RX) { 4356 promisc_mask &= ~ICE_PROMISC_UCAST_RX; 4357 pkt_type = UCAST_FLTR; 4358 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) { 4359 promisc_mask &= ~ICE_PROMISC_UCAST_TX; 4360 pkt_type = UCAST_FLTR; 4361 is_tx_fltr = true; 4362 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) { 4363 promisc_mask &= ~ICE_PROMISC_MCAST_RX; 4364 pkt_type = MCAST_FLTR; 4365 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) { 4366 promisc_mask &= ~ICE_PROMISC_MCAST_TX; 4367 pkt_type = MCAST_FLTR; 4368 is_tx_fltr = true; 4369 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) { 4370 promisc_mask &= ~ICE_PROMISC_BCAST_RX; 4371 pkt_type = BCAST_FLTR; 4372 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) { 4373 promisc_mask &= ~ICE_PROMISC_BCAST_TX; 4374 pkt_type = BCAST_FLTR; 4375 is_tx_fltr = true; 4376 } 4377 4378 /* Check for VLAN promiscuous flag */ 4379 if (promisc_mask & ICE_PROMISC_VLAN_RX) { 4380 promisc_mask &= ~ICE_PROMISC_VLAN_RX; 4381 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) { 4382 promisc_mask &= ~ICE_PROMISC_VLAN_TX; 4383 is_tx_fltr = true; 4384 } 4385 4386 /* Set filter DA based on packet type */ 4387 mac_addr = new_fltr.l_data.mac.mac_addr; 4388 if (pkt_type == BCAST_FLTR) { 4389 eth_broadcast_addr(mac_addr); 4390 } else if (pkt_type == MCAST_FLTR || 4391 pkt_type == UCAST_FLTR) { 4392 /* Use the dummy ether header DA */ 4393 ether_addr_copy(mac_addr, dummy_eth_header); 4394 if (pkt_type == MCAST_FLTR) 4395 mac_addr[0] |= 0x1; /* Set multicast bit */ 4396 } 4397 4398 /* Need to reset this to zero for all iterations */ 4399 new_fltr.flag = 0; 4400 if (is_tx_fltr) { 4401 new_fltr.flag |= ICE_FLTR_TX; 4402 new_fltr.src = hw_vsi_id; 4403 } else { 4404 new_fltr.flag |= ICE_FLTR_RX; 4405 new_fltr.src = hw->port_info->lport; 4406 } 4407 4408 new_fltr.fltr_act = ICE_FWD_TO_VSI; 4409 new_fltr.vsi_handle = vsi_handle; 4410 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id; 4411 f_list_entry.fltr_info = new_fltr; 4412 4413 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry); 4414 if (status) 4415 goto set_promisc_exit; 4416 } 4417 4418set_promisc_exit: 4419 return status; 4420} 4421 4422/** 4423 * ice_set_vlan_vsi_promisc 4424 * @hw: pointer to the hardware structure 4425 * @vsi_handle: VSI handle to configure 4426 * @promisc_mask: mask of promiscuous config bits 4427 * @rm_vlan_promisc: Clear VLANs VSI promisc mode 4428 * 4429 * Configure VSI with all associated VLANs to given promiscuous mode(s) 4430 */ 4431int 4432ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 4433 bool rm_vlan_promisc) 4434{ 4435 struct ice_switch_info *sw = hw->switch_info; 4436 struct ice_fltr_list_entry *list_itr, *tmp; 4437 struct list_head vsi_list_head; 4438 struct list_head *vlan_head; 4439 struct mutex *vlan_lock; /* Lock to protect filter rule list */ 4440 u16 vlan_id; 4441 int status; 4442 4443 INIT_LIST_HEAD(&vsi_list_head); 4444 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 4445 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; 4446 mutex_lock(vlan_lock); 4447 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head, 4448 &vsi_list_head); 4449 mutex_unlock(vlan_lock); 4450 if (status) 4451 goto free_fltr_list; 4452 4453 list_for_each_entry(list_itr, &vsi_list_head, list_entry) { 4454 /* Avoid enabling or disabling VLAN zero twice when in double 4455 * VLAN mode 4456 */ 4457 if (ice_is_dvm_ena(hw) && 4458 list_itr->fltr_info.l_data.vlan.tpid == 0) 4459 continue; 4460 4461 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id; 4462 if (rm_vlan_promisc) 4463 status = ice_clear_vsi_promisc(hw, vsi_handle, 4464 promisc_mask, vlan_id); 4465 else 4466 status = ice_set_vsi_promisc(hw, vsi_handle, 4467 promisc_mask, vlan_id); 4468 if (status && status != -EEXIST) 4469 break; 4470 } 4471 4472free_fltr_list: 4473 list_for_each_entry_safe(list_itr, tmp, &vsi_list_head, list_entry) { 4474 list_del(&list_itr->list_entry); 4475 devm_kfree(ice_hw_to_dev(hw), list_itr); 4476 } 4477 return status; 4478} 4479 4480/** 4481 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI 4482 * @hw: pointer to the hardware structure 4483 * @vsi_handle: VSI handle to remove filters from 4484 * @lkup: switch rule filter lookup type 4485 */ 4486static void 4487ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle, 4488 enum ice_sw_lkup_type lkup) 4489{ 4490 struct ice_switch_info *sw = hw->switch_info; 4491 struct ice_fltr_list_entry *fm_entry; 4492 struct list_head remove_list_head; 4493 struct list_head *rule_head; 4494 struct ice_fltr_list_entry *tmp; 4495 struct mutex *rule_lock; /* Lock to protect filter rule list */ 4496 int status; 4497 4498 INIT_LIST_HEAD(&remove_list_head); 4499 rule_lock = &sw->recp_list[lkup].filt_rule_lock; 4500 rule_head = &sw->recp_list[lkup].filt_rules; 4501 mutex_lock(rule_lock); 4502 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head, 4503 &remove_list_head); 4504 mutex_unlock(rule_lock); 4505 if (status) 4506 goto free_fltr_list; 4507 4508 switch (lkup) { 4509 case ICE_SW_LKUP_MAC: 4510 ice_remove_mac(hw, &remove_list_head); 4511 break; 4512 case ICE_SW_LKUP_VLAN: 4513 ice_remove_vlan(hw, &remove_list_head); 4514 break; 4515 case ICE_SW_LKUP_PROMISC: 4516 case ICE_SW_LKUP_PROMISC_VLAN: 4517 ice_remove_promisc(hw, lkup, &remove_list_head); 4518 break; 4519 case ICE_SW_LKUP_MAC_VLAN: 4520 case ICE_SW_LKUP_ETHERTYPE: 4521 case ICE_SW_LKUP_ETHERTYPE_MAC: 4522 case ICE_SW_LKUP_DFLT: 4523 case ICE_SW_LKUP_LAST: 4524 default: 4525 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type %d\n", lkup); 4526 break; 4527 } 4528 4529free_fltr_list: 4530 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) { 4531 list_del(&fm_entry->list_entry); 4532 devm_kfree(ice_hw_to_dev(hw), fm_entry); 4533 } 4534} 4535 4536/** 4537 * ice_remove_vsi_fltr - Remove all filters for a VSI 4538 * @hw: pointer to the hardware structure 4539 * @vsi_handle: VSI handle to remove filters from 4540 */ 4541void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) 4542{ 4543 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC); 4544 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN); 4545 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC); 4546 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN); 4547 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT); 4548 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE); 4549 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC); 4550 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN); 4551} 4552 4553/** 4554 * ice_alloc_res_cntr - allocating resource counter 4555 * @hw: pointer to the hardware structure 4556 * @type: type of resource 4557 * @alloc_shared: if set it is shared else dedicated 4558 * @num_items: number of entries requested for FD resource type 4559 * @counter_id: counter index returned by AQ call 4560 */ 4561int 4562ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 4563 u16 *counter_id) 4564{ 4565 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1); 4566 u16 buf_len = __struct_size(buf); 4567 int status; 4568 4569 buf->num_elems = cpu_to_le16(num_items); 4570 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) | 4571 alloc_shared); 4572 4573 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res); 4574 if (status) 4575 return status; 4576 4577 *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp); 4578 return status; 4579} 4580 4581/** 4582 * ice_free_res_cntr - free resource counter 4583 * @hw: pointer to the hardware structure 4584 * @type: type of resource 4585 * @alloc_shared: if set it is shared else dedicated 4586 * @num_items: number of entries to be freed for FD resource type 4587 * @counter_id: counter ID resource which needs to be freed 4588 */ 4589int 4590ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 4591 u16 counter_id) 4592{ 4593 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1); 4594 u16 buf_len = __struct_size(buf); 4595 int status; 4596 4597 buf->num_elems = cpu_to_le16(num_items); 4598 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) | 4599 alloc_shared); 4600 buf->elem[0].e.sw_resp = cpu_to_le16(counter_id); 4601 4602 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res); 4603 if (status) 4604 ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n"); 4605 4606 return status; 4607} 4608 4609#define ICE_PROTOCOL_ENTRY(id, ...) { \ 4610 .prot_type = id, \ 4611 .offs = {__VA_ARGS__}, \ 4612} 4613 4614/** 4615 * ice_share_res - set a resource as shared or dedicated 4616 * @hw: hw struct of original owner of resource 4617 * @type: resource type 4618 * @shared: is the resource being set to shared 4619 * @res_id: resource id (descriptor) 4620 */ 4621int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id) 4622{ 4623 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1); 4624 u16 buf_len = __struct_size(buf); 4625 u16 res_type; 4626 int status; 4627 4628 buf->num_elems = cpu_to_le16(1); 4629 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, type); 4630 if (shared) 4631 res_type |= ICE_AQC_RES_TYPE_FLAG_SHARED; 4632 4633 buf->res_type = cpu_to_le16(res_type); 4634 buf->elem[0].e.sw_resp = cpu_to_le16(res_id); 4635 status = ice_aq_alloc_free_res(hw, buf, buf_len, 4636 ice_aqc_opc_share_res); 4637 if (status) 4638 ice_debug(hw, ICE_DBG_SW, "Could not set resource type %u id %u to %s\n", 4639 type, res_id, shared ? "SHARED" : "DEDICATED"); 4640 4641 return status; 4642} 4643 4644/* This is mapping table entry that maps every word within a given protocol 4645 * structure to the real byte offset as per the specification of that 4646 * protocol header. 4647 * for example dst address is 3 words in ethertype header and corresponding 4648 * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8 4649 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a 4650 * matching entry describing its field. This needs to be updated if new 4651 * structure is added to that union. 4652 */ 4653static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = { 4654 ICE_PROTOCOL_ENTRY(ICE_MAC_OFOS, 0, 2, 4, 6, 8, 10, 12), 4655 ICE_PROTOCOL_ENTRY(ICE_MAC_IL, 0, 2, 4, 6, 8, 10, 12), 4656 ICE_PROTOCOL_ENTRY(ICE_ETYPE_OL, 0), 4657 ICE_PROTOCOL_ENTRY(ICE_ETYPE_IL, 0), 4658 ICE_PROTOCOL_ENTRY(ICE_VLAN_OFOS, 2, 0), 4659 ICE_PROTOCOL_ENTRY(ICE_IPV4_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18), 4660 ICE_PROTOCOL_ENTRY(ICE_IPV4_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18), 4661 ICE_PROTOCOL_ENTRY(ICE_IPV6_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 4662 20, 22, 24, 26, 28, 30, 32, 34, 36, 38), 4663 ICE_PROTOCOL_ENTRY(ICE_IPV6_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 4664 22, 24, 26, 28, 30, 32, 34, 36, 38), 4665 ICE_PROTOCOL_ENTRY(ICE_TCP_IL, 0, 2), 4666 ICE_PROTOCOL_ENTRY(ICE_UDP_OF, 0, 2), 4667 ICE_PROTOCOL_ENTRY(ICE_UDP_ILOS, 0, 2), 4668 ICE_PROTOCOL_ENTRY(ICE_VXLAN, 8, 10, 12, 14), 4669 ICE_PROTOCOL_ENTRY(ICE_GENEVE, 8, 10, 12, 14), 4670 ICE_PROTOCOL_ENTRY(ICE_NVGRE, 0, 2, 4, 6), 4671 ICE_PROTOCOL_ENTRY(ICE_GTP, 8, 10, 12, 14, 16, 18, 20, 22), 4672 ICE_PROTOCOL_ENTRY(ICE_GTP_NO_PAY, 8, 10, 12, 14), 4673 ICE_PROTOCOL_ENTRY(ICE_PFCP, 8, 10, 12, 14, 16, 18, 20, 22), 4674 ICE_PROTOCOL_ENTRY(ICE_PPPOE, 0, 2, 4, 6), 4675 ICE_PROTOCOL_ENTRY(ICE_L2TPV3, 0, 2, 4, 6, 8, 10), 4676 ICE_PROTOCOL_ENTRY(ICE_VLAN_EX, 2, 0), 4677 ICE_PROTOCOL_ENTRY(ICE_VLAN_IN, 2, 0), 4678 ICE_PROTOCOL_ENTRY(ICE_HW_METADATA, 4679 ICE_SOURCE_PORT_MDID_OFFSET, 4680 ICE_PTYPE_MDID_OFFSET, 4681 ICE_PACKET_LENGTH_MDID_OFFSET, 4682 ICE_SOURCE_VSI_MDID_OFFSET, 4683 ICE_PKT_VLAN_MDID_OFFSET, 4684 ICE_PKT_TUNNEL_MDID_OFFSET, 4685 ICE_PKT_TCP_MDID_OFFSET, 4686 ICE_PKT_ERROR_MDID_OFFSET), 4687}; 4688 4689static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = { 4690 { ICE_MAC_OFOS, ICE_MAC_OFOS_HW }, 4691 { ICE_MAC_IL, ICE_MAC_IL_HW }, 4692 { ICE_ETYPE_OL, ICE_ETYPE_OL_HW }, 4693 { ICE_ETYPE_IL, ICE_ETYPE_IL_HW }, 4694 { ICE_VLAN_OFOS, ICE_VLAN_OL_HW }, 4695 { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW }, 4696 { ICE_IPV4_IL, ICE_IPV4_IL_HW }, 4697 { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW }, 4698 { ICE_IPV6_IL, ICE_IPV6_IL_HW }, 4699 { ICE_TCP_IL, ICE_TCP_IL_HW }, 4700 { ICE_UDP_OF, ICE_UDP_OF_HW }, 4701 { ICE_UDP_ILOS, ICE_UDP_ILOS_HW }, 4702 { ICE_VXLAN, ICE_UDP_OF_HW }, 4703 { ICE_GENEVE, ICE_UDP_OF_HW }, 4704 { ICE_NVGRE, ICE_GRE_OF_HW }, 4705 { ICE_GTP, ICE_UDP_OF_HW }, 4706 { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW }, 4707 { ICE_PFCP, ICE_UDP_ILOS_HW }, 4708 { ICE_PPPOE, ICE_PPPOE_HW }, 4709 { ICE_L2TPV3, ICE_L2TPV3_HW }, 4710 { ICE_VLAN_EX, ICE_VLAN_OF_HW }, 4711 { ICE_VLAN_IN, ICE_VLAN_OL_HW }, 4712 { ICE_HW_METADATA, ICE_META_DATA_ID_HW }, 4713}; 4714 4715/** 4716 * ice_find_recp - find a recipe 4717 * @hw: pointer to the hardware structure 4718 * @lkup_exts: extension sequence to match 4719 * @rinfo: information regarding the rule e.g. priority and action info 4720 * @is_add: flag of adding recipe 4721 * 4722 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found. 4723 */ 4724static u16 4725ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts, 4726 const struct ice_adv_rule_info *rinfo, bool is_add) 4727{ 4728 bool refresh_required = true; 4729 struct ice_sw_recipe *recp; 4730 u8 i; 4731 4732 /* Walk through existing recipes to find a match */ 4733 recp = hw->switch_info->recp_list; 4734 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 4735 /* If recipe was not created for this ID, in SW bookkeeping, 4736 * check if FW has an entry for this recipe. If the FW has an 4737 * entry update it in our SW bookkeeping and continue with the 4738 * matching. 4739 */ 4740 if (hw->recp_reuse) { 4741 if (ice_get_recp_frm_fw(hw, 4742 hw->switch_info->recp_list, i, 4743 &refresh_required, is_add)) 4744 continue; 4745 } 4746 4747 /* if number of words we are looking for match */ 4748 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) { 4749 struct ice_fv_word *ar = recp[i].lkup_exts.fv_words; 4750 struct ice_fv_word *be = lkup_exts->fv_words; 4751 u16 *cr = recp[i].lkup_exts.field_mask; 4752 u16 *de = lkup_exts->field_mask; 4753 bool found = true; 4754 u8 pe, qr; 4755 4756 /* ar, cr, and qr are related to the recipe words, while 4757 * be, de, and pe are related to the lookup words 4758 */ 4759 for (pe = 0; pe < lkup_exts->n_val_words; pe++) { 4760 for (qr = 0; qr < recp[i].lkup_exts.n_val_words; 4761 qr++) { 4762 if (ar[qr].off == be[pe].off && 4763 ar[qr].prot_id == be[pe].prot_id && 4764 cr[qr] == de[pe]) 4765 /* Found the "pe"th word in the 4766 * given recipe 4767 */ 4768 break; 4769 } 4770 /* After walking through all the words in the 4771 * "i"th recipe if "p"th word was not found then 4772 * this recipe is not what we are looking for. 4773 * So break out from this loop and try the next 4774 * recipe 4775 */ 4776 if (qr >= recp[i].lkup_exts.n_val_words) { 4777 found = false; 4778 break; 4779 } 4780 } 4781 /* If for "i"th recipe the found was never set to false 4782 * then it means we found our match 4783 * Also tun type and *_pass_l2 of recipe needs to be 4784 * checked 4785 */ 4786 if (found && recp[i].tun_type == rinfo->tun_type && 4787 recp[i].need_pass_l2 == rinfo->need_pass_l2 && 4788 recp[i].allow_pass_l2 == rinfo->allow_pass_l2 && 4789 recp[i].priority == rinfo->priority) 4790 return i; /* Return the recipe ID */ 4791 } 4792 } 4793 return ICE_MAX_NUM_RECIPES; 4794} 4795 4796/** 4797 * ice_change_proto_id_to_dvm - change proto id in prot_id_tbl 4798 * 4799 * As protocol id for outer vlan is different in dvm and svm, if dvm is 4800 * supported protocol array record for outer vlan has to be modified to 4801 * reflect the value proper for DVM. 4802 */ 4803void ice_change_proto_id_to_dvm(void) 4804{ 4805 u8 i; 4806 4807 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++) 4808 if (ice_prot_id_tbl[i].type == ICE_VLAN_OFOS && 4809 ice_prot_id_tbl[i].protocol_id != ICE_VLAN_OF_HW) 4810 ice_prot_id_tbl[i].protocol_id = ICE_VLAN_OF_HW; 4811} 4812 4813/** 4814 * ice_prot_type_to_id - get protocol ID from protocol type 4815 * @type: protocol type 4816 * @id: pointer to variable that will receive the ID 4817 * 4818 * Returns true if found, false otherwise 4819 */ 4820static bool ice_prot_type_to_id(enum ice_protocol_type type, u8 *id) 4821{ 4822 u8 i; 4823 4824 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++) 4825 if (ice_prot_id_tbl[i].type == type) { 4826 *id = ice_prot_id_tbl[i].protocol_id; 4827 return true; 4828 } 4829 return false; 4830} 4831 4832/** 4833 * ice_fill_valid_words - count valid words 4834 * @rule: advanced rule with lookup information 4835 * @lkup_exts: byte offset extractions of the words that are valid 4836 * 4837 * calculate valid words in a lookup rule using mask value 4838 */ 4839static u8 4840ice_fill_valid_words(struct ice_adv_lkup_elem *rule, 4841 struct ice_prot_lkup_ext *lkup_exts) 4842{ 4843 u8 j, word, prot_id, ret_val; 4844 4845 if (!ice_prot_type_to_id(rule->type, &prot_id)) 4846 return 0; 4847 4848 word = lkup_exts->n_val_words; 4849 4850 for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++) 4851 if (((u16 *)&rule->m_u)[j] && 4852 rule->type < ARRAY_SIZE(ice_prot_ext)) { 4853 /* No more space to accommodate */ 4854 if (word >= ICE_MAX_CHAIN_WORDS) 4855 return 0; 4856 lkup_exts->fv_words[word].off = 4857 ice_prot_ext[rule->type].offs[j]; 4858 lkup_exts->fv_words[word].prot_id = 4859 ice_prot_id_tbl[rule->type].protocol_id; 4860 lkup_exts->field_mask[word] = 4861 be16_to_cpu(((__force __be16 *)&rule->m_u)[j]); 4862 word++; 4863 } 4864 4865 ret_val = word - lkup_exts->n_val_words; 4866 lkup_exts->n_val_words = word; 4867 4868 return ret_val; 4869} 4870 4871/** 4872 * ice_fill_fv_word_index - fill in the field vector indices for a recipe group 4873 * @hw: pointer to the hardware structure 4874 * @rm: recipe management list entry 4875 * 4876 * Helper function to fill in the field vector indices for protocol-offset 4877 * pairs. These indexes are then ultimately programmed into a recipe. 4878 */ 4879static int 4880ice_fill_fv_word_index(struct ice_hw *hw, struct ice_sw_recipe *rm) 4881{ 4882 struct ice_sw_fv_list_entry *fv; 4883 struct ice_fv_word *fv_ext; 4884 u8 i; 4885 4886 if (list_empty(&rm->fv_list)) 4887 return -EINVAL; 4888 4889 fv = list_first_entry(&rm->fv_list, struct ice_sw_fv_list_entry, 4890 list_entry); 4891 fv_ext = fv->fv_ptr->ew; 4892 4893 /* Add switch id as the first word. */ 4894 rm->fv_idx[0] = ICE_AQ_SW_ID_LKUP_IDX; 4895 rm->fv_mask[0] = ICE_AQ_SW_ID_LKUP_MASK; 4896 rm->n_ext_words++; 4897 4898 for (i = 1; i < rm->n_ext_words; i++) { 4899 struct ice_fv_word *fv_word = &rm->ext_words[i - 1]; 4900 u16 fv_mask = rm->word_masks[i - 1]; 4901 bool found = false; 4902 u8 j; 4903 4904 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) { 4905 if (fv_ext[j].prot_id == fv_word->prot_id && 4906 fv_ext[j].off == fv_word->off) { 4907 found = true; 4908 4909 /* Store index of field vector */ 4910 rm->fv_idx[i] = j; 4911 rm->fv_mask[i] = fv_mask; 4912 break; 4913 } 4914 } 4915 4916 /* Protocol/offset could not be found, caller gave an invalid 4917 * pair. 4918 */ 4919 if (!found) 4920 return -EINVAL; 4921 } 4922 4923 return 0; 4924} 4925 4926/** 4927 * ice_find_free_recp_res_idx - find free result indexes for recipe 4928 * @hw: pointer to hardware structure 4929 * @profiles: bitmap of profiles that will be associated with the new recipe 4930 * @free_idx: pointer to variable to receive the free index bitmap 4931 * 4932 * The algorithm used here is: 4933 * 1. When creating a new recipe, create a set P which contains all 4934 * Profiles that will be associated with our new recipe 4935 * 4936 * 2. For each Profile p in set P: 4937 * a. Add all recipes associated with Profile p into set R 4938 * b. Optional : PossibleIndexes &= profile[p].possibleIndexes 4939 * [initially PossibleIndexes should be 0xFFFFFFFFFFFFFFFF] 4940 * i. Or just assume they all have the same possible indexes: 4941 * 44, 45, 46, 47 4942 * i.e., PossibleIndexes = 0x0000F00000000000 4943 * 4944 * 3. For each Recipe r in set R: 4945 * a. UsedIndexes |= (bitwise or ) recipe[r].res_indexes 4946 * b. FreeIndexes = UsedIndexes ^ PossibleIndexes 4947 * 4948 * FreeIndexes will contain the bits indicating the indexes free for use, 4949 * then the code needs to update the recipe[r].used_result_idx_bits to 4950 * indicate which indexes were selected for use by this recipe. 4951 */ 4952static u16 4953ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles, 4954 unsigned long *free_idx) 4955{ 4956 DECLARE_BITMAP(possible_idx, ICE_MAX_FV_WORDS); 4957 DECLARE_BITMAP(recipes, ICE_MAX_NUM_RECIPES); 4958 DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS); 4959 u16 bit; 4960 4961 bitmap_zero(recipes, ICE_MAX_NUM_RECIPES); 4962 bitmap_zero(used_idx, ICE_MAX_FV_WORDS); 4963 4964 bitmap_fill(possible_idx, ICE_MAX_FV_WORDS); 4965 4966 /* For each profile we are going to associate the recipe with, add the 4967 * recipes that are associated with that profile. This will give us 4968 * the set of recipes that our recipe may collide with. Also, determine 4969 * what possible result indexes are usable given this set of profiles. 4970 */ 4971 for_each_set_bit(bit, profiles, ICE_MAX_NUM_PROFILES) { 4972 bitmap_or(recipes, recipes, profile_to_recipe[bit], 4973 ICE_MAX_NUM_RECIPES); 4974 bitmap_and(possible_idx, possible_idx, 4975 hw->switch_info->prof_res_bm[bit], 4976 ICE_MAX_FV_WORDS); 4977 } 4978 4979 /* For each recipe that our new recipe may collide with, determine 4980 * which indexes have been used. 4981 */ 4982 for_each_set_bit(bit, recipes, ICE_MAX_NUM_RECIPES) 4983 bitmap_or(used_idx, used_idx, 4984 hw->switch_info->recp_list[bit].res_idxs, 4985 ICE_MAX_FV_WORDS); 4986 4987 bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS); 4988 4989 /* return number of free indexes */ 4990 return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS); 4991} 4992 4993/** 4994 * ice_calc_recp_cnt - calculate number of recipes based on word count 4995 * @word_cnt: number of lookup words 4996 * 4997 * Word count should include switch ID word and regular lookup words. 4998 * Returns: number of recipes required to fit @word_cnt, including extra recipes 4999 * needed for recipe chaining (if needed). 5000 */ 5001static int ice_calc_recp_cnt(u8 word_cnt) 5002{ 5003 /* All words fit in a single recipe, no need for chaining. */ 5004 if (word_cnt <= ICE_NUM_WORDS_RECIPE) 5005 return 1; 5006 5007 /* Recipe chaining required. Result indexes are fitted right after 5008 * regular lookup words. In some cases a new recipe must be added in 5009 * order to fit result indexes. 5010 * 5011 * While the word count increases, every 5 words an extra recipe needs 5012 * to be added. However, by adding a recipe, one word for its result 5013 * index must also be added, therefore every 4 words recipe count 5014 * increases by 1. This calculation does not apply to word count == 1, 5015 * which is handled above. 5016 */ 5017 return (word_cnt + 2) / (ICE_NUM_WORDS_RECIPE - 1); 5018} 5019 5020static void fill_recipe_template(struct ice_aqc_recipe_data_elem *recp, u16 rid, 5021 const struct ice_sw_recipe *rm) 5022{ 5023 int i; 5024 5025 recp->recipe_indx = rid; 5026 recp->content.act_ctrl |= ICE_AQ_RECIPE_ACT_PRUNE_INDX_M; 5027 5028 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) { 5029 recp->content.lkup_indx[i] = ICE_AQ_RECIPE_LKUP_IGNORE; 5030 recp->content.mask[i] = cpu_to_le16(0); 5031 } 5032 5033 set_bit(rid, (unsigned long *)recp->recipe_bitmap); 5034 recp->content.act_ctrl_fwd_priority = rm->priority; 5035 5036 if (rm->need_pass_l2) 5037 recp->content.act_ctrl |= ICE_AQ_RECIPE_ACT_NEED_PASS_L2; 5038 5039 if (rm->allow_pass_l2) 5040 recp->content.act_ctrl |= ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2; 5041} 5042 5043static void bookkeep_recipe(struct ice_sw_recipe *recipe, 5044 struct ice_aqc_recipe_data_elem *r, 5045 const struct ice_sw_recipe *rm) 5046{ 5047 memcpy(recipe->r_bitmap, r->recipe_bitmap, sizeof(recipe->r_bitmap)); 5048 5049 recipe->priority = r->content.act_ctrl_fwd_priority; 5050 recipe->tun_type = rm->tun_type; 5051 recipe->need_pass_l2 = rm->need_pass_l2; 5052 recipe->allow_pass_l2 = rm->allow_pass_l2; 5053 recipe->recp_created = true; 5054} 5055 5056/* For memcpy in ice_add_sw_recipe. */ 5057static_assert(sizeof_field(struct ice_aqc_recipe_data_elem, recipe_bitmap) == 5058 sizeof_field(struct ice_sw_recipe, r_bitmap)); 5059 5060/** 5061 * ice_add_sw_recipe - function to call AQ calls to create switch recipe 5062 * @hw: pointer to hardware structure 5063 * @rm: recipe management list entry 5064 * @profiles: bitmap of profiles that will be associated. 5065 */ 5066static int 5067ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm, 5068 unsigned long *profiles) 5069{ 5070 struct ice_aqc_recipe_data_elem *buf __free(kfree) = NULL; 5071 DECLARE_BITMAP(result_idx_bm, ICE_MAX_FV_WORDS); 5072 struct ice_aqc_recipe_data_elem *root; 5073 struct ice_sw_recipe *recipe; 5074 u16 free_res_idx, rid; 5075 int lookup = 0; 5076 int recp_cnt; 5077 int status; 5078 int word; 5079 int i; 5080 5081 recp_cnt = ice_calc_recp_cnt(rm->n_ext_words); 5082 5083 bitmap_zero(result_idx_bm, ICE_MAX_FV_WORDS); 5084 bitmap_zero(rm->r_bitmap, ICE_MAX_NUM_RECIPES); 5085 5086 /* Check number of free result indices */ 5087 free_res_idx = ice_find_free_recp_res_idx(hw, profiles, result_idx_bm); 5088 5089 ice_debug(hw, ICE_DBG_SW, "Result idx slots: %d, need %d\n", 5090 free_res_idx, recp_cnt); 5091 5092 /* Last recipe doesn't need result index */ 5093 if (recp_cnt - 1 > free_res_idx) 5094 return -ENOSPC; 5095 5096 if (recp_cnt > ICE_MAX_CHAIN_RECIPE_RES) 5097 return -E2BIG; 5098 5099 buf = kcalloc(recp_cnt, sizeof(*buf), GFP_KERNEL); 5100 if (!buf) 5101 return -ENOMEM; 5102 5103 /* Setup the non-root subrecipes. These do not contain lookups for other 5104 * subrecipes results. Set associated recipe only to own recipe index. 5105 * Each non-root subrecipe needs a free result index from FV. 5106 * 5107 * Note: only done if there is more than one recipe. 5108 */ 5109 for (i = 0; i < recp_cnt - 1; i++) { 5110 struct ice_aqc_recipe_content *content; 5111 u8 result_idx; 5112 5113 status = ice_alloc_recipe(hw, &rid); 5114 if (status) 5115 return status; 5116 5117 fill_recipe_template(&buf[i], rid, rm); 5118 5119 result_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS); 5120 /* Check if there really is a valid result index that can be 5121 * used. 5122 */ 5123 if (result_idx >= ICE_MAX_FV_WORDS) { 5124 ice_debug(hw, ICE_DBG_SW, "No chain index available\n"); 5125 return -ENOSPC; 5126 } 5127 clear_bit(result_idx, result_idx_bm); 5128 5129 content = &buf[i].content; 5130 content->result_indx = ICE_AQ_RECIPE_RESULT_EN | 5131 FIELD_PREP(ICE_AQ_RECIPE_RESULT_DATA_M, 5132 result_idx); 5133 5134 /* Set recipe association to be used for root recipe */ 5135 set_bit(rid, rm->r_bitmap); 5136 5137 word = 0; 5138 while (lookup < rm->n_ext_words && 5139 word < ICE_NUM_WORDS_RECIPE) { 5140 content->lkup_indx[word] = rm->fv_idx[lookup]; 5141 content->mask[word] = cpu_to_le16(rm->fv_mask[lookup]); 5142 5143 lookup++; 5144 word++; 5145 } 5146 5147 recipe = &hw->switch_info->recp_list[rid]; 5148 set_bit(result_idx, recipe->res_idxs); 5149 bookkeep_recipe(recipe, &buf[i], rm); 5150 } 5151 5152 /* Setup the root recipe */ 5153 status = ice_alloc_recipe(hw, &rid); 5154 if (status) 5155 return status; 5156 5157 recipe = &hw->switch_info->recp_list[rid]; 5158 root = &buf[recp_cnt - 1]; 5159 fill_recipe_template(root, rid, rm); 5160 5161 /* Set recipe association, use previously set bitmap and own rid */ 5162 set_bit(rid, rm->r_bitmap); 5163 memcpy(root->recipe_bitmap, rm->r_bitmap, sizeof(root->recipe_bitmap)); 5164 5165 /* For non-root recipes rid should be 0, for root it should be correct 5166 * rid value ored with 0x80 (is root bit). 5167 */ 5168 root->content.rid = rid | ICE_AQ_RECIPE_ID_IS_ROOT; 5169 5170 /* Fill remaining lookups in root recipe */ 5171 word = 0; 5172 while (lookup < rm->n_ext_words && 5173 word < ICE_NUM_WORDS_RECIPE /* should always be true */) { 5174 root->content.lkup_indx[word] = rm->fv_idx[lookup]; 5175 root->content.mask[word] = cpu_to_le16(rm->fv_mask[lookup]); 5176 5177 lookup++; 5178 word++; 5179 } 5180 5181 /* Fill result indexes as lookups */ 5182 i = 0; 5183 while (i < recp_cnt - 1 && 5184 word < ICE_NUM_WORDS_RECIPE /* should always be true */) { 5185 root->content.lkup_indx[word] = buf[i].content.result_indx & 5186 ~ICE_AQ_RECIPE_RESULT_EN; 5187 root->content.mask[word] = cpu_to_le16(0xffff); 5188 /* For bookkeeping, it is needed to mark FV index as used for 5189 * intermediate result. 5190 */ 5191 set_bit(root->content.lkup_indx[word], recipe->res_idxs); 5192 5193 i++; 5194 word++; 5195 } 5196 5197 rm->root_rid = rid; 5198 bookkeep_recipe(&hw->switch_info->recp_list[rid], root, rm); 5199 5200 /* Program the recipe */ 5201 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 5202 if (status) 5203 return status; 5204 5205 status = ice_aq_add_recipe(hw, buf, recp_cnt, NULL); 5206 ice_release_change_lock(hw); 5207 if (status) 5208 return status; 5209 5210 return 0; 5211} 5212 5213/* ice_get_compat_fv_bitmap - Get compatible field vector bitmap for rule 5214 * @hw: pointer to hardware structure 5215 * @rinfo: other information regarding the rule e.g. priority and action info 5216 * @bm: pointer to memory for returning the bitmap of field vectors 5217 */ 5218static void 5219ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo, 5220 unsigned long *bm) 5221{ 5222 enum ice_prof_type prof_type; 5223 5224 bitmap_zero(bm, ICE_MAX_NUM_PROFILES); 5225 5226 switch (rinfo->tun_type) { 5227 case ICE_NON_TUN: 5228 prof_type = ICE_PROF_NON_TUN; 5229 break; 5230 case ICE_ALL_TUNNELS: 5231 prof_type = ICE_PROF_TUN_ALL; 5232 break; 5233 case ICE_SW_TUN_GENEVE: 5234 case ICE_SW_TUN_VXLAN: 5235 prof_type = ICE_PROF_TUN_UDP; 5236 break; 5237 case ICE_SW_TUN_NVGRE: 5238 prof_type = ICE_PROF_TUN_GRE; 5239 break; 5240 case ICE_SW_TUN_GTPU: 5241 prof_type = ICE_PROF_TUN_GTPU; 5242 break; 5243 case ICE_SW_TUN_GTPC: 5244 prof_type = ICE_PROF_TUN_GTPC; 5245 break; 5246 case ICE_SW_TUN_PFCP: 5247 prof_type = ICE_PROF_TUN_PFCP; 5248 break; 5249 case ICE_SW_TUN_AND_NON_TUN: 5250 default: 5251 prof_type = ICE_PROF_ALL; 5252 break; 5253 } 5254 5255 ice_get_sw_fv_bitmap(hw, prof_type, bm); 5256} 5257 5258/** 5259 * ice_subscribe_recipe - subscribe to an existing recipe 5260 * @hw: pointer to the hardware structure 5261 * @rid: recipe ID to subscribe to 5262 * 5263 * Return: 0 on success, and others on error 5264 */ 5265static int ice_subscribe_recipe(struct ice_hw *hw, u16 rid) 5266{ 5267 DEFINE_RAW_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1); 5268 u16 buf_len = __struct_size(sw_buf); 5269 u16 res_type; 5270 int status; 5271 5272 /* Prepare buffer to allocate resource */ 5273 sw_buf->num_elems = cpu_to_le16(1); 5274 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, ICE_AQC_RES_TYPE_RECIPE) | 5275 ICE_AQC_RES_TYPE_FLAG_SUBSCRIBE_SHARED | 5276 ICE_AQC_RES_TYPE_FLAG_SUBSCRIBE_CTL; 5277 sw_buf->res_type = cpu_to_le16(res_type); 5278 5279 sw_buf->elem[0].e.sw_resp = cpu_to_le16(rid); 5280 5281 status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, 5282 ice_aqc_opc_alloc_res); 5283 5284 return status; 5285} 5286 5287/** 5288 * ice_subscribable_recp_shared - share an existing subscribable recipe 5289 * @hw: pointer to the hardware structure 5290 * @rid: recipe ID to subscribe to 5291 */ 5292static void ice_subscribable_recp_shared(struct ice_hw *hw, u16 rid) 5293{ 5294 struct ice_sw_recipe *recps = hw->switch_info->recp_list; 5295 u16 sub_rid; 5296 5297 for_each_set_bit(sub_rid, recps[rid].r_bitmap, ICE_MAX_NUM_RECIPES) 5298 ice_subscribe_recipe(hw, sub_rid); 5299} 5300 5301/** 5302 * ice_add_adv_recipe - Add an advanced recipe that is not part of the default 5303 * @hw: pointer to hardware structure 5304 * @lkups: lookup elements or match criteria for the advanced recipe, one 5305 * structure per protocol header 5306 * @lkups_cnt: number of protocols 5307 * @rinfo: other information regarding the rule e.g. priority and action info 5308 * @rid: return the recipe ID of the recipe created 5309 */ 5310static int 5311ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 5312 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid) 5313{ 5314 DECLARE_BITMAP(fv_bitmap, ICE_MAX_NUM_PROFILES); 5315 DECLARE_BITMAP(profiles, ICE_MAX_NUM_PROFILES); 5316 struct ice_prot_lkup_ext *lkup_exts; 5317 struct ice_sw_fv_list_entry *fvit; 5318 struct ice_sw_fv_list_entry *tmp; 5319 struct ice_sw_recipe *rm; 5320 int status = 0; 5321 u16 rid_tmp; 5322 u8 i; 5323 5324 if (!lkups_cnt) 5325 return -EINVAL; 5326 5327 lkup_exts = kzalloc(sizeof(*lkup_exts), GFP_KERNEL); 5328 if (!lkup_exts) 5329 return -ENOMEM; 5330 5331 /* Determine the number of words to be matched and if it exceeds a 5332 * recipe's restrictions 5333 */ 5334 for (i = 0; i < lkups_cnt; i++) { 5335 u16 count; 5336 5337 if (lkups[i].type >= ICE_PROTOCOL_LAST) { 5338 status = -EIO; 5339 goto err_free_lkup_exts; 5340 } 5341 5342 count = ice_fill_valid_words(&lkups[i], lkup_exts); 5343 if (!count) { 5344 status = -EIO; 5345 goto err_free_lkup_exts; 5346 } 5347 } 5348 5349 rm = kzalloc(sizeof(*rm), GFP_KERNEL); 5350 if (!rm) { 5351 status = -ENOMEM; 5352 goto err_free_lkup_exts; 5353 } 5354 5355 /* Get field vectors that contain fields extracted from all the protocol 5356 * headers being programmed. 5357 */ 5358 INIT_LIST_HEAD(&rm->fv_list); 5359 5360 /* Get bitmap of field vectors (profiles) that are compatible with the 5361 * rule request; only these will be searched in the subsequent call to 5362 * ice_get_sw_fv_list. 5363 */ 5364 ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap); 5365 5366 status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list); 5367 if (status) 5368 goto err_unroll; 5369 5370 /* Copy FV words and masks from lkup_exts to recipe struct. */ 5371 rm->n_ext_words = lkup_exts->n_val_words; 5372 memcpy(rm->ext_words, lkup_exts->fv_words, sizeof(rm->ext_words)); 5373 memcpy(rm->word_masks, lkup_exts->field_mask, sizeof(rm->word_masks)); 5374 5375 /* set the recipe priority if specified */ 5376 rm->priority = (u8)rinfo->priority; 5377 5378 rm->need_pass_l2 = rinfo->need_pass_l2; 5379 rm->allow_pass_l2 = rinfo->allow_pass_l2; 5380 5381 /* Find offsets from the field vector. Pick the first one for all the 5382 * recipes. 5383 */ 5384 status = ice_fill_fv_word_index(hw, rm); 5385 if (status) 5386 goto err_unroll; 5387 5388 /* get bitmap of all profiles the recipe will be associated with */ 5389 bitmap_zero(profiles, ICE_MAX_NUM_PROFILES); 5390 list_for_each_entry(fvit, &rm->fv_list, list_entry) { 5391 ice_debug(hw, ICE_DBG_SW, "profile: %d\n", fvit->profile_id); 5392 set_bit((u16)fvit->profile_id, profiles); 5393 } 5394 5395 /* Look for a recipe which matches our requested fv / mask list */ 5396 *rid = ice_find_recp(hw, lkup_exts, rinfo, true); 5397 if (*rid < ICE_MAX_NUM_RECIPES) { 5398 /* Success if found a recipe that match the existing criteria */ 5399 if (hw->recp_reuse) 5400 ice_subscribable_recp_shared(hw, *rid); 5401 5402 goto err_unroll; 5403 } 5404 5405 rm->tun_type = rinfo->tun_type; 5406 /* Recipe we need does not exist, add a recipe */ 5407 status = ice_add_sw_recipe(hw, rm, profiles); 5408 if (status) 5409 goto err_unroll; 5410 5411 /* Associate all the recipes created with all the profiles in the 5412 * common field vector. 5413 */ 5414 list_for_each_entry(fvit, &rm->fv_list, list_entry) { 5415 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); 5416 u64 recp_assoc; 5417 u16 j; 5418 5419 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id, 5420 &recp_assoc, NULL); 5421 if (status) 5422 goto err_free_recipe; 5423 5424 bitmap_from_arr64(r_bitmap, &recp_assoc, ICE_MAX_NUM_RECIPES); 5425 bitmap_or(r_bitmap, r_bitmap, rm->r_bitmap, 5426 ICE_MAX_NUM_RECIPES); 5427 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 5428 if (status) 5429 goto err_free_recipe; 5430 5431 bitmap_to_arr64(&recp_assoc, r_bitmap, ICE_MAX_NUM_RECIPES); 5432 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id, 5433 recp_assoc, NULL); 5434 ice_release_change_lock(hw); 5435 5436 if (status) 5437 goto err_free_recipe; 5438 5439 /* Update profile to recipe bitmap array */ 5440 bitmap_copy(profile_to_recipe[fvit->profile_id], r_bitmap, 5441 ICE_MAX_NUM_RECIPES); 5442 5443 /* Update recipe to profile bitmap array */ 5444 for_each_set_bit(j, rm->r_bitmap, ICE_MAX_NUM_RECIPES) 5445 set_bit((u16)fvit->profile_id, recipe_to_profile[j]); 5446 } 5447 5448 *rid = rm->root_rid; 5449 memcpy(&hw->switch_info->recp_list[*rid].lkup_exts, lkup_exts, 5450 sizeof(*lkup_exts)); 5451 goto err_unroll; 5452 5453err_free_recipe: 5454 if (hw->recp_reuse) { 5455 for_each_set_bit(rid_tmp, rm->r_bitmap, ICE_MAX_NUM_RECIPES) { 5456 if (!ice_free_recipe_res(hw, rid_tmp)) 5457 clear_bit(rid_tmp, rm->r_bitmap); 5458 } 5459 } 5460 5461err_unroll: 5462 list_for_each_entry_safe(fvit, tmp, &rm->fv_list, list_entry) { 5463 list_del(&fvit->list_entry); 5464 devm_kfree(ice_hw_to_dev(hw), fvit); 5465 } 5466 5467 kfree(rm); 5468 5469err_free_lkup_exts: 5470 kfree(lkup_exts); 5471 5472 return status; 5473} 5474 5475/** 5476 * ice_dummy_packet_add_vlan - insert VLAN header to dummy pkt 5477 * 5478 * @dummy_pkt: dummy packet profile pattern to which VLAN tag(s) will be added 5479 * @num_vlan: number of VLAN tags 5480 */ 5481static struct ice_dummy_pkt_profile * 5482ice_dummy_packet_add_vlan(const struct ice_dummy_pkt_profile *dummy_pkt, 5483 u32 num_vlan) 5484{ 5485 struct ice_dummy_pkt_profile *profile; 5486 struct ice_dummy_pkt_offsets *offsets; 5487 u32 buf_len, off, etype_off, i; 5488 u8 *pkt; 5489 5490 if (num_vlan < 1 || num_vlan > 2) 5491 return ERR_PTR(-EINVAL); 5492 5493 off = num_vlan * VLAN_HLEN; 5494 5495 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet_offsets)) + 5496 dummy_pkt->offsets_len; 5497 offsets = kzalloc(buf_len, GFP_KERNEL); 5498 if (!offsets) 5499 return ERR_PTR(-ENOMEM); 5500 5501 offsets[0] = dummy_pkt->offsets[0]; 5502 if (num_vlan == 2) { 5503 offsets[1] = ice_dummy_qinq_packet_offsets[0]; 5504 offsets[2] = ice_dummy_qinq_packet_offsets[1]; 5505 } else if (num_vlan == 1) { 5506 offsets[1] = ice_dummy_vlan_packet_offsets[0]; 5507 } 5508 5509 for (i = 1; dummy_pkt->offsets[i].type != ICE_PROTOCOL_LAST; i++) { 5510 offsets[i + num_vlan].type = dummy_pkt->offsets[i].type; 5511 offsets[i + num_vlan].offset = 5512 dummy_pkt->offsets[i].offset + off; 5513 } 5514 offsets[i + num_vlan] = dummy_pkt->offsets[i]; 5515 5516 etype_off = dummy_pkt->offsets[1].offset; 5517 5518 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet)) + 5519 dummy_pkt->pkt_len; 5520 pkt = kzalloc(buf_len, GFP_KERNEL); 5521 if (!pkt) { 5522 kfree(offsets); 5523 return ERR_PTR(-ENOMEM); 5524 } 5525 5526 memcpy(pkt, dummy_pkt->pkt, etype_off); 5527 memcpy(pkt + etype_off, 5528 num_vlan == 2 ? ice_dummy_qinq_packet : ice_dummy_vlan_packet, 5529 off); 5530 memcpy(pkt + etype_off + off, dummy_pkt->pkt + etype_off, 5531 dummy_pkt->pkt_len - etype_off); 5532 5533 profile = kzalloc(sizeof(*profile), GFP_KERNEL); 5534 if (!profile) { 5535 kfree(offsets); 5536 kfree(pkt); 5537 return ERR_PTR(-ENOMEM); 5538 } 5539 5540 profile->offsets = offsets; 5541 profile->pkt = pkt; 5542 profile->pkt_len = buf_len; 5543 profile->match |= ICE_PKT_KMALLOC; 5544 5545 return profile; 5546} 5547 5548/** 5549 * ice_find_dummy_packet - find dummy packet 5550 * 5551 * @lkups: lookup elements or match criteria for the advanced recipe, one 5552 * structure per protocol header 5553 * @lkups_cnt: number of protocols 5554 * @tun_type: tunnel type 5555 * 5556 * Returns the &ice_dummy_pkt_profile corresponding to these lookup params. 5557 */ 5558static const struct ice_dummy_pkt_profile * 5559ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, 5560 enum ice_sw_tunnel_type tun_type) 5561{ 5562 const struct ice_dummy_pkt_profile *ret = ice_dummy_pkt_profiles; 5563 u32 match = 0, vlan_count = 0; 5564 u16 i; 5565 5566 switch (tun_type) { 5567 case ICE_SW_TUN_GTPC: 5568 match |= ICE_PKT_TUN_GTPC; 5569 break; 5570 case ICE_SW_TUN_GTPU: 5571 match |= ICE_PKT_TUN_GTPU; 5572 break; 5573 case ICE_SW_TUN_NVGRE: 5574 match |= ICE_PKT_TUN_NVGRE; 5575 break; 5576 case ICE_SW_TUN_GENEVE: 5577 case ICE_SW_TUN_VXLAN: 5578 match |= ICE_PKT_TUN_UDP; 5579 break; 5580 case ICE_SW_TUN_PFCP: 5581 match |= ICE_PKT_PFCP; 5582 break; 5583 default: 5584 break; 5585 } 5586 5587 for (i = 0; i < lkups_cnt; i++) { 5588 if (lkups[i].type == ICE_UDP_ILOS) 5589 match |= ICE_PKT_INNER_UDP; 5590 else if (lkups[i].type == ICE_TCP_IL) 5591 match |= ICE_PKT_INNER_TCP; 5592 else if (lkups[i].type == ICE_IPV6_OFOS) 5593 match |= ICE_PKT_OUTER_IPV6; 5594 else if (lkups[i].type == ICE_VLAN_OFOS || 5595 lkups[i].type == ICE_VLAN_EX) 5596 vlan_count++; 5597 else if (lkups[i].type == ICE_VLAN_IN) 5598 vlan_count++; 5599 else if (lkups[i].type == ICE_ETYPE_OL && 5600 lkups[i].h_u.ethertype.ethtype_id == 5601 cpu_to_be16(ICE_IPV6_ETHER_ID) && 5602 lkups[i].m_u.ethertype.ethtype_id == 5603 cpu_to_be16(0xFFFF)) 5604 match |= ICE_PKT_OUTER_IPV6; 5605 else if (lkups[i].type == ICE_ETYPE_IL && 5606 lkups[i].h_u.ethertype.ethtype_id == 5607 cpu_to_be16(ICE_IPV6_ETHER_ID) && 5608 lkups[i].m_u.ethertype.ethtype_id == 5609 cpu_to_be16(0xFFFF)) 5610 match |= ICE_PKT_INNER_IPV6; 5611 else if (lkups[i].type == ICE_IPV6_IL) 5612 match |= ICE_PKT_INNER_IPV6; 5613 else if (lkups[i].type == ICE_GTP_NO_PAY) 5614 match |= ICE_PKT_GTP_NOPAY; 5615 else if (lkups[i].type == ICE_PPPOE) { 5616 match |= ICE_PKT_PPPOE; 5617 if (lkups[i].h_u.pppoe_hdr.ppp_prot_id == 5618 htons(PPP_IPV6)) 5619 match |= ICE_PKT_OUTER_IPV6; 5620 } else if (lkups[i].type == ICE_L2TPV3) 5621 match |= ICE_PKT_L2TPV3; 5622 } 5623 5624 while (ret->match && (match & ret->match) != ret->match) 5625 ret++; 5626 5627 if (vlan_count != 0) 5628 ret = ice_dummy_packet_add_vlan(ret, vlan_count); 5629 5630 return ret; 5631} 5632 5633/** 5634 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria 5635 * 5636 * @lkups: lookup elements or match criteria for the advanced recipe, one 5637 * structure per protocol header 5638 * @lkups_cnt: number of protocols 5639 * @s_rule: stores rule information from the match criteria 5640 * @profile: dummy packet profile (the template, its size and header offsets) 5641 */ 5642static int 5643ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, 5644 struct ice_sw_rule_lkup_rx_tx *s_rule, 5645 const struct ice_dummy_pkt_profile *profile) 5646{ 5647 u8 *pkt; 5648 u16 i; 5649 5650 /* Start with a packet with a pre-defined/dummy content. Then, fill 5651 * in the header values to be looked up or matched. 5652 */ 5653 pkt = s_rule->hdr_data; 5654 5655 memcpy(pkt, profile->pkt, profile->pkt_len); 5656 5657 for (i = 0; i < lkups_cnt; i++) { 5658 const struct ice_dummy_pkt_offsets *offsets = profile->offsets; 5659 enum ice_protocol_type type; 5660 u16 offset = 0, len = 0, j; 5661 bool found = false; 5662 5663 /* find the start of this layer; it should be found since this 5664 * was already checked when search for the dummy packet 5665 */ 5666 type = lkups[i].type; 5667 /* metadata isn't present in the packet */ 5668 if (type == ICE_HW_METADATA) 5669 continue; 5670 5671 for (j = 0; offsets[j].type != ICE_PROTOCOL_LAST; j++) { 5672 if (type == offsets[j].type) { 5673 offset = offsets[j].offset; 5674 found = true; 5675 break; 5676 } 5677 } 5678 /* this should never happen in a correct calling sequence */ 5679 if (!found) 5680 return -EINVAL; 5681 5682 switch (lkups[i].type) { 5683 case ICE_MAC_OFOS: 5684 case ICE_MAC_IL: 5685 len = sizeof(struct ice_ether_hdr); 5686 break; 5687 case ICE_ETYPE_OL: 5688 case ICE_ETYPE_IL: 5689 len = sizeof(struct ice_ethtype_hdr); 5690 break; 5691 case ICE_VLAN_OFOS: 5692 case ICE_VLAN_EX: 5693 case ICE_VLAN_IN: 5694 len = sizeof(struct ice_vlan_hdr); 5695 break; 5696 case ICE_IPV4_OFOS: 5697 case ICE_IPV4_IL: 5698 len = sizeof(struct ice_ipv4_hdr); 5699 break; 5700 case ICE_IPV6_OFOS: 5701 case ICE_IPV6_IL: 5702 len = sizeof(struct ice_ipv6_hdr); 5703 break; 5704 case ICE_TCP_IL: 5705 case ICE_UDP_OF: 5706 case ICE_UDP_ILOS: 5707 len = sizeof(struct ice_l4_hdr); 5708 break; 5709 case ICE_SCTP_IL: 5710 len = sizeof(struct ice_sctp_hdr); 5711 break; 5712 case ICE_NVGRE: 5713 len = sizeof(struct ice_nvgre_hdr); 5714 break; 5715 case ICE_VXLAN: 5716 case ICE_GENEVE: 5717 len = sizeof(struct ice_udp_tnl_hdr); 5718 break; 5719 case ICE_GTP_NO_PAY: 5720 case ICE_GTP: 5721 len = sizeof(struct ice_udp_gtp_hdr); 5722 break; 5723 case ICE_PFCP: 5724 len = sizeof(struct ice_pfcp_hdr); 5725 break; 5726 case ICE_PPPOE: 5727 len = sizeof(struct ice_pppoe_hdr); 5728 break; 5729 case ICE_L2TPV3: 5730 len = sizeof(struct ice_l2tpv3_sess_hdr); 5731 break; 5732 default: 5733 return -EINVAL; 5734 } 5735 5736 /* the length should be a word multiple */ 5737 if (len % ICE_BYTES_PER_WORD) 5738 return -EIO; 5739 5740 /* We have the offset to the header start, the length, the 5741 * caller's header values and mask. Use this information to 5742 * copy the data into the dummy packet appropriately based on 5743 * the mask. Note that we need to only write the bits as 5744 * indicated by the mask to make sure we don't improperly write 5745 * over any significant packet data. 5746 */ 5747 for (j = 0; j < len / sizeof(u16); j++) { 5748 u16 *ptr = (u16 *)(pkt + offset); 5749 u16 mask = lkups[i].m_raw[j]; 5750 5751 if (!mask) 5752 continue; 5753 5754 ptr[j] = (ptr[j] & ~mask) | (lkups[i].h_raw[j] & mask); 5755 } 5756 } 5757 5758 s_rule->hdr_len = cpu_to_le16(profile->pkt_len); 5759 5760 return 0; 5761} 5762 5763/** 5764 * ice_fill_adv_packet_tun - fill dummy packet with udp tunnel port 5765 * @hw: pointer to the hardware structure 5766 * @tun_type: tunnel type 5767 * @pkt: dummy packet to fill in 5768 * @offsets: offset info for the dummy packet 5769 */ 5770static int 5771ice_fill_adv_packet_tun(struct ice_hw *hw, enum ice_sw_tunnel_type tun_type, 5772 u8 *pkt, const struct ice_dummy_pkt_offsets *offsets) 5773{ 5774 u16 open_port, i; 5775 5776 switch (tun_type) { 5777 case ICE_SW_TUN_VXLAN: 5778 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN)) 5779 return -EIO; 5780 break; 5781 case ICE_SW_TUN_GENEVE: 5782 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE)) 5783 return -EIO; 5784 break; 5785 default: 5786 /* Nothing needs to be done for this tunnel type */ 5787 return 0; 5788 } 5789 5790 /* Find the outer UDP protocol header and insert the port number */ 5791 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) { 5792 if (offsets[i].type == ICE_UDP_OF) { 5793 struct ice_l4_hdr *hdr; 5794 u16 offset; 5795 5796 offset = offsets[i].offset; 5797 hdr = (struct ice_l4_hdr *)&pkt[offset]; 5798 hdr->dst_port = cpu_to_be16(open_port); 5799 5800 return 0; 5801 } 5802 } 5803 5804 return -EIO; 5805} 5806 5807/** 5808 * ice_fill_adv_packet_vlan - fill dummy packet with VLAN tag type 5809 * @hw: pointer to hw structure 5810 * @vlan_type: VLAN tag type 5811 * @pkt: dummy packet to fill in 5812 * @offsets: offset info for the dummy packet 5813 */ 5814static int 5815ice_fill_adv_packet_vlan(struct ice_hw *hw, u16 vlan_type, u8 *pkt, 5816 const struct ice_dummy_pkt_offsets *offsets) 5817{ 5818 u16 i; 5819 5820 /* Check if there is something to do */ 5821 if (!vlan_type || !ice_is_dvm_ena(hw)) 5822 return 0; 5823 5824 /* Find VLAN header and insert VLAN TPID */ 5825 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) { 5826 if (offsets[i].type == ICE_VLAN_OFOS || 5827 offsets[i].type == ICE_VLAN_EX) { 5828 struct ice_vlan_hdr *hdr; 5829 u16 offset; 5830 5831 offset = offsets[i].offset; 5832 hdr = (struct ice_vlan_hdr *)&pkt[offset]; 5833 hdr->type = cpu_to_be16(vlan_type); 5834 5835 return 0; 5836 } 5837 } 5838 5839 return -EIO; 5840} 5841 5842static bool ice_rules_equal(const struct ice_adv_rule_info *first, 5843 const struct ice_adv_rule_info *second) 5844{ 5845 return first->sw_act.flag == second->sw_act.flag && 5846 first->tun_type == second->tun_type && 5847 first->vlan_type == second->vlan_type && 5848 first->src_vsi == second->src_vsi && 5849 first->need_pass_l2 == second->need_pass_l2 && 5850 first->allow_pass_l2 == second->allow_pass_l2; 5851} 5852 5853/** 5854 * ice_find_adv_rule_entry - Search a rule entry 5855 * @hw: pointer to the hardware structure 5856 * @lkups: lookup elements or match criteria for the advanced recipe, one 5857 * structure per protocol header 5858 * @lkups_cnt: number of protocols 5859 * @recp_id: recipe ID for which we are finding the rule 5860 * @rinfo: other information regarding the rule e.g. priority and action info 5861 * 5862 * Helper function to search for a given advance rule entry 5863 * Returns pointer to entry storing the rule if found 5864 */ 5865static struct ice_adv_fltr_mgmt_list_entry * 5866ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 5867 u16 lkups_cnt, u16 recp_id, 5868 struct ice_adv_rule_info *rinfo) 5869{ 5870 struct ice_adv_fltr_mgmt_list_entry *list_itr; 5871 struct ice_switch_info *sw = hw->switch_info; 5872 int i; 5873 5874 list_for_each_entry(list_itr, &sw->recp_list[recp_id].filt_rules, 5875 list_entry) { 5876 bool lkups_matched = true; 5877 5878 if (lkups_cnt != list_itr->lkups_cnt) 5879 continue; 5880 for (i = 0; i < list_itr->lkups_cnt; i++) 5881 if (memcmp(&list_itr->lkups[i], &lkups[i], 5882 sizeof(*lkups))) { 5883 lkups_matched = false; 5884 break; 5885 } 5886 if (ice_rules_equal(rinfo, &list_itr->rule_info) && 5887 lkups_matched) 5888 return list_itr; 5889 } 5890 return NULL; 5891} 5892 5893/** 5894 * ice_adv_add_update_vsi_list 5895 * @hw: pointer to the hardware structure 5896 * @m_entry: pointer to current adv filter management list entry 5897 * @cur_fltr: filter information from the book keeping entry 5898 * @new_fltr: filter information with the new VSI to be added 5899 * 5900 * Call AQ command to add or update previously created VSI list with new VSI. 5901 * 5902 * Helper function to do book keeping associated with adding filter information 5903 * The algorithm to do the booking keeping is described below : 5904 * When a VSI needs to subscribe to a given advanced filter 5905 * if only one VSI has been added till now 5906 * Allocate a new VSI list and add two VSIs 5907 * to this list using switch rule command 5908 * Update the previously created switch rule with the 5909 * newly created VSI list ID 5910 * if a VSI list was previously created 5911 * Add the new VSI to the previously created VSI list set 5912 * using the update switch rule command 5913 */ 5914static int 5915ice_adv_add_update_vsi_list(struct ice_hw *hw, 5916 struct ice_adv_fltr_mgmt_list_entry *m_entry, 5917 struct ice_adv_rule_info *cur_fltr, 5918 struct ice_adv_rule_info *new_fltr) 5919{ 5920 u16 vsi_list_id = 0; 5921 int status; 5922 5923 if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q || 5924 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP || 5925 cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET) 5926 return -EOPNOTSUPP; 5927 5928 if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q || 5929 new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) && 5930 (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI || 5931 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST)) 5932 return -EOPNOTSUPP; 5933 5934 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { 5935 /* Only one entry existed in the mapping and it was not already 5936 * a part of a VSI list. So, create a VSI list with the old and 5937 * new VSIs. 5938 */ 5939 struct ice_fltr_info tmp_fltr; 5940 u16 vsi_handle_arr[2]; 5941 5942 /* A rule already exists with the new VSI being added */ 5943 if (cur_fltr->sw_act.fwd_id.hw_vsi_id == 5944 new_fltr->sw_act.fwd_id.hw_vsi_id) 5945 return -EEXIST; 5946 5947 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle; 5948 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle; 5949 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 5950 &vsi_list_id, 5951 ICE_SW_LKUP_LAST); 5952 if (status) 5953 return status; 5954 5955 memset(&tmp_fltr, 0, sizeof(tmp_fltr)); 5956 tmp_fltr.flag = m_entry->rule_info.sw_act.flag; 5957 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; 5958 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 5959 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 5960 tmp_fltr.lkup_type = ICE_SW_LKUP_LAST; 5961 5962 /* Update the previous switch rule of "forward to VSI" to 5963 * "fwd to VSI list" 5964 */ 5965 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 5966 if (status) 5967 return status; 5968 5969 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id; 5970 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST; 5971 m_entry->vsi_list_info = 5972 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 5973 vsi_list_id); 5974 } else { 5975 u16 vsi_handle = new_fltr->sw_act.vsi_handle; 5976 5977 if (!m_entry->vsi_list_info) 5978 return -EIO; 5979 5980 /* A rule already exists with the new VSI being added */ 5981 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) 5982 return -EEXIST; 5983 5984 /* Update the previously created VSI list set with 5985 * the new VSI ID passed in 5986 */ 5987 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id; 5988 5989 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, 5990 vsi_list_id, false, 5991 ice_aqc_opc_update_sw_rules, 5992 ICE_SW_LKUP_LAST); 5993 /* update VSI list mapping info with new VSI ID */ 5994 if (!status) 5995 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map); 5996 } 5997 if (!status) 5998 m_entry->vsi_count++; 5999 return status; 6000} 6001 6002void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup) 6003{ 6004 lkup->type = ICE_HW_METADATA; 6005 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID21] |= 6006 cpu_to_be16(ICE_PKT_TUNNEL_MASK); 6007} 6008 6009void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup) 6010{ 6011 lkup->type = ICE_HW_METADATA; 6012 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |= 6013 cpu_to_be16(ICE_PKT_FROM_NETWORK); 6014} 6015 6016void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup) 6017{ 6018 lkup->type = ICE_HW_METADATA; 6019 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |= 6020 cpu_to_be16(ICE_PKT_VLAN_MASK); 6021} 6022 6023void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup) 6024{ 6025 lkup->type = ICE_HW_METADATA; 6026 lkup->m_u.metadata.source_vsi = cpu_to_be16(ICE_MDID_SOURCE_VSI_MASK); 6027} 6028 6029/** 6030 * ice_add_adv_rule - helper function to create an advanced switch rule 6031 * @hw: pointer to the hardware structure 6032 * @lkups: information on the words that needs to be looked up. All words 6033 * together makes one recipe 6034 * @lkups_cnt: num of entries in the lkups array 6035 * @rinfo: other information related to the rule that needs to be programmed 6036 * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be 6037 * ignored is case of error. 6038 * 6039 * This function can program only 1 rule at a time. The lkups is used to 6040 * describe the all the words that forms the "lookup" portion of the recipe. 6041 * These words can span multiple protocols. Callers to this function need to 6042 * pass in a list of protocol headers with lookup information along and mask 6043 * that determines which words are valid from the given protocol header. 6044 * rinfo describes other information related to this rule such as forwarding 6045 * IDs, priority of this rule, etc. 6046 */ 6047int 6048ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 6049 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, 6050 struct ice_rule_query_data *added_entry) 6051{ 6052 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL; 6053 struct ice_sw_rule_lkup_rx_tx *s_rule = NULL; 6054 const struct ice_dummy_pkt_profile *profile; 6055 u16 rid = 0, i, rule_buf_sz, vsi_handle; 6056 struct list_head *rule_head; 6057 struct ice_switch_info *sw; 6058 u16 word_cnt; 6059 u32 act = 0; 6060 int status; 6061 u8 q_rgn; 6062 6063 /* Initialize profile to result index bitmap */ 6064 if (!hw->switch_info->prof_res_bm_init) { 6065 hw->switch_info->prof_res_bm_init = 1; 6066 ice_init_prof_result_bm(hw); 6067 } 6068 6069 if (!lkups_cnt) 6070 return -EINVAL; 6071 6072 /* get # of words we need to match */ 6073 word_cnt = 0; 6074 for (i = 0; i < lkups_cnt; i++) { 6075 u16 j; 6076 6077 for (j = 0; j < ARRAY_SIZE(lkups->m_raw); j++) 6078 if (lkups[i].m_raw[j]) 6079 word_cnt++; 6080 } 6081 6082 if (!word_cnt) 6083 return -EINVAL; 6084 6085 if (word_cnt > ICE_MAX_CHAIN_WORDS) 6086 return -ENOSPC; 6087 6088 /* locate a dummy packet */ 6089 profile = ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type); 6090 if (IS_ERR(profile)) 6091 return PTR_ERR(profile); 6092 6093 if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI || 6094 rinfo->sw_act.fltr_act == ICE_FWD_TO_Q || 6095 rinfo->sw_act.fltr_act == ICE_FWD_TO_QGRP || 6096 rinfo->sw_act.fltr_act == ICE_DROP_PACKET || 6097 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET || 6098 rinfo->sw_act.fltr_act == ICE_NOP)) { 6099 status = -EIO; 6100 goto free_pkt_profile; 6101 } 6102 6103 vsi_handle = rinfo->sw_act.vsi_handle; 6104 if (!ice_is_vsi_valid(hw, vsi_handle)) { 6105 status = -EINVAL; 6106 goto free_pkt_profile; 6107 } 6108 6109 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI || 6110 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET || 6111 rinfo->sw_act.fltr_act == ICE_NOP) { 6112 rinfo->sw_act.fwd_id.hw_vsi_id = 6113 ice_get_hw_vsi_num(hw, vsi_handle); 6114 } 6115 6116 if (rinfo->src_vsi) 6117 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, rinfo->src_vsi); 6118 else 6119 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle); 6120 6121 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid); 6122 if (status) 6123 goto free_pkt_profile; 6124 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo); 6125 if (m_entry) { 6126 /* we have to add VSI to VSI_LIST and increment vsi_count. 6127 * Also Update VSI list so that we can change forwarding rule 6128 * if the rule already exists, we will check if it exists with 6129 * same vsi_id, if not then add it to the VSI list if it already 6130 * exists if not then create a VSI list and add the existing VSI 6131 * ID and the new VSI ID to the list 6132 * We will add that VSI to the list 6133 */ 6134 status = ice_adv_add_update_vsi_list(hw, m_entry, 6135 &m_entry->rule_info, 6136 rinfo); 6137 if (added_entry) { 6138 added_entry->rid = rid; 6139 added_entry->rule_id = m_entry->rule_info.fltr_rule_id; 6140 added_entry->vsi_handle = rinfo->sw_act.vsi_handle; 6141 } 6142 goto free_pkt_profile; 6143 } 6144 rule_buf_sz = ICE_SW_RULE_RX_TX_HDR_SIZE(s_rule, profile->pkt_len); 6145 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL); 6146 if (!s_rule) { 6147 status = -ENOMEM; 6148 goto free_pkt_profile; 6149 } 6150 6151 if (rinfo->sw_act.fltr_act != ICE_MIRROR_PACKET) { 6152 if (!rinfo->flags_info.act_valid) { 6153 act |= ICE_SINGLE_ACT_LAN_ENABLE; 6154 act |= ICE_SINGLE_ACT_LB_ENABLE; 6155 } else { 6156 act |= rinfo->flags_info.act & (ICE_SINGLE_ACT_LAN_ENABLE | 6157 ICE_SINGLE_ACT_LB_ENABLE); 6158 } 6159 } 6160 6161 switch (rinfo->sw_act.fltr_act) { 6162 case ICE_FWD_TO_VSI: 6163 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M, 6164 rinfo->sw_act.fwd_id.hw_vsi_id); 6165 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT; 6166 break; 6167 case ICE_FWD_TO_Q: 6168 act |= ICE_SINGLE_ACT_TO_Q; 6169 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M, 6170 rinfo->sw_act.fwd_id.q_id); 6171 break; 6172 case ICE_FWD_TO_QGRP: 6173 q_rgn = rinfo->sw_act.qgrp_size > 0 ? 6174 (u8)ilog2(rinfo->sw_act.qgrp_size) : 0; 6175 act |= ICE_SINGLE_ACT_TO_Q; 6176 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M, 6177 rinfo->sw_act.fwd_id.q_id); 6178 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn); 6179 break; 6180 case ICE_DROP_PACKET: 6181 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | 6182 ICE_SINGLE_ACT_VALID_BIT; 6183 break; 6184 case ICE_MIRROR_PACKET: 6185 act |= ICE_SINGLE_ACT_OTHER_ACTS; 6186 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M, 6187 rinfo->sw_act.fwd_id.hw_vsi_id); 6188 break; 6189 case ICE_NOP: 6190 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M, 6191 rinfo->sw_act.fwd_id.hw_vsi_id); 6192 act &= ~ICE_SINGLE_ACT_VALID_BIT; 6193 break; 6194 default: 6195 status = -EIO; 6196 goto err_ice_add_adv_rule; 6197 } 6198 6199 /* If there is no matching criteria for direction there 6200 * is only one difference between Rx and Tx: 6201 * - get switch id base on VSI number from source field (Tx) 6202 * - get switch id base on port number (Rx) 6203 * 6204 * If matching on direction metadata is chose rule direction is 6205 * extracted from type value set here. 6206 */ 6207 if (rinfo->sw_act.flag & ICE_FLTR_TX) { 6208 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX); 6209 s_rule->src = cpu_to_le16(rinfo->sw_act.src); 6210 } else { 6211 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX); 6212 s_rule->src = cpu_to_le16(hw->port_info->lport); 6213 } 6214 6215 s_rule->recipe_id = cpu_to_le16(rid); 6216 s_rule->act = cpu_to_le32(act); 6217 6218 status = ice_fill_adv_dummy_packet(lkups, lkups_cnt, s_rule, profile); 6219 if (status) 6220 goto err_ice_add_adv_rule; 6221 6222 status = ice_fill_adv_packet_tun(hw, rinfo->tun_type, s_rule->hdr_data, 6223 profile->offsets); 6224 if (status) 6225 goto err_ice_add_adv_rule; 6226 6227 status = ice_fill_adv_packet_vlan(hw, rinfo->vlan_type, 6228 s_rule->hdr_data, 6229 profile->offsets); 6230 if (status) 6231 goto err_ice_add_adv_rule; 6232 6233 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule, 6234 rule_buf_sz, 1, ice_aqc_opc_add_sw_rules, 6235 NULL); 6236 if (status) 6237 goto err_ice_add_adv_rule; 6238 adv_fltr = devm_kzalloc(ice_hw_to_dev(hw), 6239 sizeof(struct ice_adv_fltr_mgmt_list_entry), 6240 GFP_KERNEL); 6241 if (!adv_fltr) { 6242 status = -ENOMEM; 6243 goto err_ice_add_adv_rule; 6244 } 6245 6246 adv_fltr->lkups = devm_kmemdup(ice_hw_to_dev(hw), lkups, 6247 lkups_cnt * sizeof(*lkups), GFP_KERNEL); 6248 if (!adv_fltr->lkups) { 6249 status = -ENOMEM; 6250 goto err_ice_add_adv_rule; 6251 } 6252 6253 adv_fltr->lkups_cnt = lkups_cnt; 6254 adv_fltr->rule_info = *rinfo; 6255 adv_fltr->rule_info.fltr_rule_id = le16_to_cpu(s_rule->index); 6256 sw = hw->switch_info; 6257 sw->recp_list[rid].adv_rule = true; 6258 rule_head = &sw->recp_list[rid].filt_rules; 6259 6260 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) 6261 adv_fltr->vsi_count = 1; 6262 6263 /* Add rule entry to book keeping list */ 6264 list_add(&adv_fltr->list_entry, rule_head); 6265 if (added_entry) { 6266 added_entry->rid = rid; 6267 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id; 6268 added_entry->vsi_handle = rinfo->sw_act.vsi_handle; 6269 } 6270err_ice_add_adv_rule: 6271 if (status && adv_fltr) { 6272 devm_kfree(ice_hw_to_dev(hw), adv_fltr->lkups); 6273 devm_kfree(ice_hw_to_dev(hw), adv_fltr); 6274 } 6275 6276 kfree(s_rule); 6277 6278free_pkt_profile: 6279 if (profile->match & ICE_PKT_KMALLOC) { 6280 kfree(profile->offsets); 6281 kfree(profile->pkt); 6282 kfree(profile); 6283 } 6284 6285 return status; 6286} 6287 6288/** 6289 * ice_replay_vsi_fltr - Replay filters for requested VSI 6290 * @hw: pointer to the hardware structure 6291 * @vsi_handle: driver VSI handle 6292 * @recp_id: Recipe ID for which rules need to be replayed 6293 * @list_head: list for which filters need to be replayed 6294 * 6295 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle. 6296 * It is required to pass valid VSI handle. 6297 */ 6298static int 6299ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, 6300 struct list_head *list_head) 6301{ 6302 struct ice_fltr_mgmt_list_entry *itr; 6303 int status = 0; 6304 u16 hw_vsi_id; 6305 6306 if (list_empty(list_head)) 6307 return status; 6308 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 6309 6310 list_for_each_entry(itr, list_head, list_entry) { 6311 struct ice_fltr_list_entry f_entry; 6312 6313 f_entry.fltr_info = itr->fltr_info; 6314 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN && 6315 itr->fltr_info.vsi_handle == vsi_handle) { 6316 /* update the src in case it is VSI num */ 6317 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 6318 f_entry.fltr_info.src = hw_vsi_id; 6319 status = ice_add_rule_internal(hw, recp_id, &f_entry); 6320 if (status) 6321 goto end; 6322 continue; 6323 } 6324 if (!itr->vsi_list_info || 6325 !test_bit(vsi_handle, itr->vsi_list_info->vsi_map)) 6326 continue; 6327 f_entry.fltr_info.vsi_handle = vsi_handle; 6328 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 6329 /* update the src in case it is VSI num */ 6330 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 6331 f_entry.fltr_info.src = hw_vsi_id; 6332 if (recp_id == ICE_SW_LKUP_VLAN) 6333 status = ice_add_vlan_internal(hw, &f_entry); 6334 else 6335 status = ice_add_rule_internal(hw, recp_id, &f_entry); 6336 if (status) 6337 goto end; 6338 } 6339end: 6340 return status; 6341} 6342 6343/** 6344 * ice_adv_rem_update_vsi_list 6345 * @hw: pointer to the hardware structure 6346 * @vsi_handle: VSI handle of the VSI to remove 6347 * @fm_list: filter management entry for which the VSI list management needs to 6348 * be done 6349 */ 6350static int 6351ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, 6352 struct ice_adv_fltr_mgmt_list_entry *fm_list) 6353{ 6354 struct ice_vsi_list_map_info *vsi_list_info; 6355 enum ice_sw_lkup_type lkup_type; 6356 u16 vsi_list_id; 6357 int status; 6358 6359 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST || 6360 fm_list->vsi_count == 0) 6361 return -EINVAL; 6362 6363 /* A rule with the VSI being removed does not exist */ 6364 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map)) 6365 return -ENOENT; 6366 6367 lkup_type = ICE_SW_LKUP_LAST; 6368 vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id; 6369 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, 6370 ice_aqc_opc_update_sw_rules, 6371 lkup_type); 6372 if (status) 6373 return status; 6374 6375 fm_list->vsi_count--; 6376 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); 6377 vsi_list_info = fm_list->vsi_list_info; 6378 if (fm_list->vsi_count == 1) { 6379 struct ice_fltr_info tmp_fltr; 6380 u16 rem_vsi_handle; 6381 6382 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map, 6383 ICE_MAX_VSI); 6384 if (!ice_is_vsi_valid(hw, rem_vsi_handle)) 6385 return -EIO; 6386 6387 /* Make sure VSI list is empty before removing it below */ 6388 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, 6389 vsi_list_id, true, 6390 ice_aqc_opc_update_sw_rules, 6391 lkup_type); 6392 if (status) 6393 return status; 6394 6395 memset(&tmp_fltr, 0, sizeof(tmp_fltr)); 6396 tmp_fltr.flag = fm_list->rule_info.sw_act.flag; 6397 tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id; 6398 fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI; 6399 tmp_fltr.fltr_act = ICE_FWD_TO_VSI; 6400 tmp_fltr.fwd_id.hw_vsi_id = 6401 ice_get_hw_vsi_num(hw, rem_vsi_handle); 6402 fm_list->rule_info.sw_act.fwd_id.hw_vsi_id = 6403 ice_get_hw_vsi_num(hw, rem_vsi_handle); 6404 fm_list->rule_info.sw_act.vsi_handle = rem_vsi_handle; 6405 6406 /* Update the previous switch rule of "MAC forward to VSI" to 6407 * "MAC fwd to VSI list" 6408 */ 6409 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 6410 if (status) { 6411 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", 6412 tmp_fltr.fwd_id.hw_vsi_id, status); 6413 return status; 6414 } 6415 fm_list->vsi_list_info->ref_cnt--; 6416 6417 /* Remove the VSI list since it is no longer used */ 6418 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); 6419 if (status) { 6420 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n", 6421 vsi_list_id, status); 6422 return status; 6423 } 6424 6425 list_del(&vsi_list_info->list_entry); 6426 devm_kfree(ice_hw_to_dev(hw), vsi_list_info); 6427 fm_list->vsi_list_info = NULL; 6428 } 6429 6430 return status; 6431} 6432 6433/** 6434 * ice_rem_adv_rule - removes existing advanced switch rule 6435 * @hw: pointer to the hardware structure 6436 * @lkups: information on the words that needs to be looked up. All words 6437 * together makes one recipe 6438 * @lkups_cnt: num of entries in the lkups array 6439 * @rinfo: Its the pointer to the rule information for the rule 6440 * 6441 * This function can be used to remove 1 rule at a time. The lkups is 6442 * used to describe all the words that forms the "lookup" portion of the 6443 * rule. These words can span multiple protocols. Callers to this function 6444 * need to pass in a list of protocol headers with lookup information along 6445 * and mask that determines which words are valid from the given protocol 6446 * header. rinfo describes other information related to this rule such as 6447 * forwarding IDs, priority of this rule, etc. 6448 */ 6449static int 6450ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, 6451 u16 lkups_cnt, struct ice_adv_rule_info *rinfo) 6452{ 6453 struct ice_adv_fltr_mgmt_list_entry *list_elem; 6454 struct ice_prot_lkup_ext lkup_exts; 6455 bool remove_rule = false; 6456 struct mutex *rule_lock; /* Lock to protect filter rule list */ 6457 u16 i, rid, vsi_handle; 6458 int status = 0; 6459 6460 memset(&lkup_exts, 0, sizeof(lkup_exts)); 6461 for (i = 0; i < lkups_cnt; i++) { 6462 u16 count; 6463 6464 if (lkups[i].type >= ICE_PROTOCOL_LAST) 6465 return -EIO; 6466 6467 count = ice_fill_valid_words(&lkups[i], &lkup_exts); 6468 if (!count) 6469 return -EIO; 6470 } 6471 6472 rid = ice_find_recp(hw, &lkup_exts, rinfo, false); 6473 /* If did not find a recipe that match the existing criteria */ 6474 if (rid == ICE_MAX_NUM_RECIPES) 6475 return -EINVAL; 6476 6477 rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock; 6478 list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo); 6479 /* the rule is already removed */ 6480 if (!list_elem) 6481 return 0; 6482 mutex_lock(rule_lock); 6483 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) { 6484 remove_rule = true; 6485 } else if (list_elem->vsi_count > 1) { 6486 remove_rule = false; 6487 vsi_handle = rinfo->sw_act.vsi_handle; 6488 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem); 6489 } else { 6490 vsi_handle = rinfo->sw_act.vsi_handle; 6491 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem); 6492 if (status) { 6493 mutex_unlock(rule_lock); 6494 return status; 6495 } 6496 if (list_elem->vsi_count == 0) 6497 remove_rule = true; 6498 } 6499 mutex_unlock(rule_lock); 6500 if (remove_rule) { 6501 struct ice_sw_rule_lkup_rx_tx *s_rule; 6502 u16 rule_buf_sz; 6503 6504 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule); 6505 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL); 6506 if (!s_rule) 6507 return -ENOMEM; 6508 s_rule->act = 0; 6509 s_rule->index = cpu_to_le16(list_elem->rule_info.fltr_rule_id); 6510 s_rule->hdr_len = 0; 6511 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule, 6512 rule_buf_sz, 1, 6513 ice_aqc_opc_remove_sw_rules, NULL); 6514 if (!status || status == -ENOENT) { 6515 struct ice_switch_info *sw = hw->switch_info; 6516 struct ice_sw_recipe *r_list = sw->recp_list; 6517 6518 mutex_lock(rule_lock); 6519 list_del(&list_elem->list_entry); 6520 devm_kfree(ice_hw_to_dev(hw), list_elem->lkups); 6521 devm_kfree(ice_hw_to_dev(hw), list_elem); 6522 mutex_unlock(rule_lock); 6523 if (list_empty(&r_list[rid].filt_rules)) { 6524 r_list[rid].adv_rule = false; 6525 6526 /* All rules for this recipe are now removed */ 6527 if (hw->recp_reuse) 6528 ice_release_recipe_res(hw, 6529 &r_list[rid]); 6530 } 6531 } 6532 kfree(s_rule); 6533 } 6534 return status; 6535} 6536 6537/** 6538 * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID 6539 * @hw: pointer to the hardware structure 6540 * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID 6541 * 6542 * This function is used to remove 1 rule at a time. The removal is based on 6543 * the remove_entry parameter. This function will remove rule for a given 6544 * vsi_handle with a given rule_id which is passed as parameter in remove_entry 6545 */ 6546int 6547ice_rem_adv_rule_by_id(struct ice_hw *hw, 6548 struct ice_rule_query_data *remove_entry) 6549{ 6550 struct ice_adv_fltr_mgmt_list_entry *list_itr; 6551 struct list_head *list_head; 6552 struct ice_adv_rule_info rinfo; 6553 struct ice_switch_info *sw; 6554 6555 sw = hw->switch_info; 6556 if (!sw->recp_list[remove_entry->rid].recp_created) 6557 return -EINVAL; 6558 list_head = &sw->recp_list[remove_entry->rid].filt_rules; 6559 list_for_each_entry(list_itr, list_head, list_entry) { 6560 if (list_itr->rule_info.fltr_rule_id == 6561 remove_entry->rule_id) { 6562 rinfo = list_itr->rule_info; 6563 rinfo.sw_act.vsi_handle = remove_entry->vsi_handle; 6564 return ice_rem_adv_rule(hw, list_itr->lkups, 6565 list_itr->lkups_cnt, &rinfo); 6566 } 6567 } 6568 /* either list is empty or unable to find rule */ 6569 return -ENOENT; 6570} 6571 6572/** 6573 * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI 6574 * @hw: pointer to the hardware structure 6575 * @vsi_handle: driver VSI handle 6576 * @list_head: list for which filters need to be replayed 6577 * 6578 * Replay the advanced rule for the given VSI. 6579 */ 6580static int 6581ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle, 6582 struct list_head *list_head) 6583{ 6584 struct ice_rule_query_data added_entry = { 0 }; 6585 struct ice_adv_fltr_mgmt_list_entry *adv_fltr; 6586 int status = 0; 6587 6588 if (list_empty(list_head)) 6589 return status; 6590 list_for_each_entry(adv_fltr, list_head, list_entry) { 6591 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info; 6592 u16 lk_cnt = adv_fltr->lkups_cnt; 6593 6594 if (vsi_handle != rinfo->sw_act.vsi_handle) 6595 continue; 6596 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo, 6597 &added_entry); 6598 if (status) 6599 break; 6600 } 6601 return status; 6602} 6603 6604/** 6605 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists 6606 * @hw: pointer to the hardware structure 6607 * @vsi_handle: driver VSI handle 6608 * 6609 * Replays filters for requested VSI via vsi_handle. 6610 */ 6611int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle) 6612{ 6613 struct ice_switch_info *sw = hw->switch_info; 6614 int status; 6615 u8 i; 6616 6617 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 6618 struct list_head *head; 6619 6620 head = &sw->recp_list[i].filt_replay_rules; 6621 if (!sw->recp_list[i].adv_rule) 6622 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head); 6623 else 6624 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head); 6625 if (status) 6626 return status; 6627 } 6628 return status; 6629} 6630 6631/** 6632 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules 6633 * @hw: pointer to the HW struct 6634 * 6635 * Deletes the filter replay rules. 6636 */ 6637void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw) 6638{ 6639 struct ice_switch_info *sw = hw->switch_info; 6640 u8 i; 6641 6642 if (!sw) 6643 return; 6644 6645 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 6646 if (!list_empty(&sw->recp_list[i].filt_replay_rules)) { 6647 struct list_head *l_head; 6648 6649 l_head = &sw->recp_list[i].filt_replay_rules; 6650 if (!sw->recp_list[i].adv_rule) 6651 ice_rem_sw_rule_info(hw, l_head); 6652 else 6653 ice_rem_adv_rule_info(hw, l_head); 6654 } 6655 } 6656}
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