1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ 3 4 #include <linux/kernel.h> 5 #include <linux/module.h> 6 #include <linux/types.h> 7 #include <linux/pci.h> 8 #include <linux/netdevice.h> 9 #include <linux/etherdevice.h> 10 #include <linux/ethtool.h> 11 #include <linux/slab.h> 12 #include <linux/device.h> 13 #include <linux/skbuff.h> 14 #include <linux/if_vlan.h> 15 #include <linux/if_bridge.h> 16 #include <linux/workqueue.h> 17 #include <linux/jiffies.h> 18 #include <linux/bitops.h> 19 #include <linux/list.h> 20 #include <linux/notifier.h> 21 #include <linux/dcbnl.h> 22 #include <linux/inetdevice.h> 23 #include <linux/netlink.h> 24 #include <linux/jhash.h> 25 #include <linux/log2.h> 26 #include <linux/refcount.h> 27 #include <linux/rhashtable.h> 28 #include <net/switchdev.h> 29 #include <net/pkt_cls.h> 30 #include <net/netevent.h> 31 #include <net/addrconf.h> 32 #include <linux/ptp_classify.h> 33 34 #include "spectrum.h" 35 #include "pci.h" 36 #include "core.h" 37 #include "core_env.h" 38 #include "reg.h" 39 #include "port.h" 40 #include "trap.h" 41 #include "txheader.h" 42 #include "spectrum_cnt.h" 43 #include "spectrum_dpipe.h" 44 #include "spectrum_acl_flex_actions.h" 45 #include "spectrum_span.h" 46 #include "spectrum_ptp.h" 47 #include "spectrum_trap.h" 48 49 #define MLXSW_SP_FWREV_MINOR 2010 50 #define MLXSW_SP_FWREV_SUBMINOR 1006 51 52 #define MLXSW_SP1_FWREV_MAJOR 13 53 #define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702 54 55 static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = { 56 .major = MLXSW_SP1_FWREV_MAJOR, 57 .minor = MLXSW_SP_FWREV_MINOR, 58 .subminor = MLXSW_SP_FWREV_SUBMINOR, 59 .can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR, 60 }; 61 62 #define MLXSW_SP1_FW_FILENAME \ 63 "mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \ 64 "." __stringify(MLXSW_SP_FWREV_MINOR) \ 65 "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" 66 67 #define MLXSW_SP2_FWREV_MAJOR 29 68 69 static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = { 70 .major = MLXSW_SP2_FWREV_MAJOR, 71 .minor = MLXSW_SP_FWREV_MINOR, 72 .subminor = MLXSW_SP_FWREV_SUBMINOR, 73 }; 74 75 #define MLXSW_SP2_FW_FILENAME \ 76 "mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \ 77 "." __stringify(MLXSW_SP_FWREV_MINOR) \ 78 "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" 79 80 #define MLXSW_SP3_FWREV_MAJOR 30 81 82 static const struct mlxsw_fw_rev mlxsw_sp3_fw_rev = { 83 .major = MLXSW_SP3_FWREV_MAJOR, 84 .minor = MLXSW_SP_FWREV_MINOR, 85 .subminor = MLXSW_SP_FWREV_SUBMINOR, 86 }; 87 88 #define MLXSW_SP3_FW_FILENAME \ 89 "mellanox/mlxsw_spectrum3-" __stringify(MLXSW_SP3_FWREV_MAJOR) \ 90 "." __stringify(MLXSW_SP_FWREV_MINOR) \ 91 "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" 92 93 #define MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME \ 94 "mellanox/lc_ini_bundle_" \ 95 __stringify(MLXSW_SP_FWREV_MINOR) "_" \ 96 __stringify(MLXSW_SP_FWREV_SUBMINOR) ".bin" 97 98 static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum"; 99 static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2"; 100 static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3"; 101 static const char mlxsw_sp4_driver_name[] = "mlxsw_spectrum4"; 102 103 static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = { 104 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 105 }; 106 static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = { 107 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00 108 }; 109 110 /* tx_hdr_version 111 * Tx header version. 112 * Must be set to 1. 113 */ 114 MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); 115 116 /* tx_hdr_ctl 117 * Packet control type. 118 * 0 - Ethernet control (e.g. EMADs, LACP) 119 * 1 - Ethernet data 120 */ 121 MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); 122 123 /* tx_hdr_proto 124 * Packet protocol type. Must be set to 1 (Ethernet). 125 */ 126 MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); 127 128 /* tx_hdr_rx_is_router 129 * Packet is sent from the router. Valid for data packets only. 130 */ 131 MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); 132 133 /* tx_hdr_fid_valid 134 * Indicates if the 'fid' field is valid and should be used for 135 * forwarding lookup. Valid for data packets only. 136 */ 137 MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); 138 139 /* tx_hdr_swid 140 * Switch partition ID. Must be set to 0. 141 */ 142 MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); 143 144 /* tx_hdr_control_tclass 145 * Indicates if the packet should use the control TClass and not one 146 * of the data TClasses. 147 */ 148 MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); 149 150 /* tx_hdr_etclass 151 * Egress TClass to be used on the egress device on the egress port. 152 */ 153 MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); 154 155 /* tx_hdr_port_mid 156 * Destination local port for unicast packets. 157 * Destination multicast ID for multicast packets. 158 * 159 * Control packets are directed to a specific egress port, while data 160 * packets are transmitted through the CPU port (0) into the switch partition, 161 * where forwarding rules are applied. 162 */ 163 MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); 164 165 /* tx_hdr_fid 166 * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is 167 * set, otherwise calculated based on the packet's VID using VID to FID mapping. 168 * Valid for data packets only. 169 */ 170 MLXSW_ITEM32(tx, hdr, fid, 0x08, 16, 16); 171 172 /* tx_hdr_type 173 * 0 - Data packets 174 * 6 - Control packets 175 */ 176 MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); 177 178 int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp, 179 unsigned int counter_index, u64 *packets, 180 u64 *bytes) 181 { 182 char mgpc_pl[MLXSW_REG_MGPC_LEN]; 183 int err; 184 185 mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP, 186 MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); 187 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); 188 if (err) 189 return err; 190 if (packets) 191 *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl); 192 if (bytes) 193 *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl); 194 return 0; 195 } 196 197 static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp, 198 unsigned int counter_index) 199 { 200 char mgpc_pl[MLXSW_REG_MGPC_LEN]; 201 202 mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR, 203 MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); 204 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); 205 } 206 207 int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp, 208 unsigned int *p_counter_index) 209 { 210 int err; 211 212 err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, 213 p_counter_index); 214 if (err) 215 return err; 216 err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index); 217 if (err) 218 goto err_counter_clear; 219 return 0; 220 221 err_counter_clear: 222 mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, 223 *p_counter_index); 224 return err; 225 } 226 227 void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp, 228 unsigned int counter_index) 229 { 230 mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, 231 counter_index); 232 } 233 234 void mlxsw_sp_txhdr_construct(struct sk_buff *skb, 235 const struct mlxsw_tx_info *tx_info) 236 { 237 char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); 238 239 memset(txhdr, 0, MLXSW_TXHDR_LEN); 240 241 mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); 242 mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); 243 mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); 244 mlxsw_tx_hdr_swid_set(txhdr, 0); 245 mlxsw_tx_hdr_control_tclass_set(txhdr, 1); 246 mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); 247 mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); 248 } 249 250 int 251 mlxsw_sp_txhdr_ptp_data_construct(struct mlxsw_core *mlxsw_core, 252 struct mlxsw_sp_port *mlxsw_sp_port, 253 struct sk_buff *skb, 254 const struct mlxsw_tx_info *tx_info) 255 { 256 char *txhdr; 257 u16 max_fid; 258 int err; 259 260 if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) { 261 err = -ENOMEM; 262 goto err_skb_cow_head; 263 } 264 265 if (!MLXSW_CORE_RES_VALID(mlxsw_core, FID)) { 266 err = -EIO; 267 goto err_res_valid; 268 } 269 max_fid = MLXSW_CORE_RES_GET(mlxsw_core, FID); 270 271 txhdr = skb_push(skb, MLXSW_TXHDR_LEN); 272 memset(txhdr, 0, MLXSW_TXHDR_LEN); 273 274 mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); 275 mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); 276 mlxsw_tx_hdr_rx_is_router_set(txhdr, true); 277 mlxsw_tx_hdr_fid_valid_set(txhdr, true); 278 mlxsw_tx_hdr_fid_set(txhdr, max_fid + tx_info->local_port - 1); 279 mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_DATA); 280 return 0; 281 282 err_res_valid: 283 err_skb_cow_head: 284 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); 285 dev_kfree_skb_any(skb); 286 return err; 287 } 288 289 static bool mlxsw_sp_skb_requires_ts(struct sk_buff *skb) 290 { 291 unsigned int type; 292 293 if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) 294 return false; 295 296 type = ptp_classify_raw(skb); 297 return !!ptp_parse_header(skb, type); 298 } 299 300 static int mlxsw_sp_txhdr_handle(struct mlxsw_core *mlxsw_core, 301 struct mlxsw_sp_port *mlxsw_sp_port, 302 struct sk_buff *skb, 303 const struct mlxsw_tx_info *tx_info) 304 { 305 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 306 307 /* In Spectrum-2 and Spectrum-3, PTP events that require a time stamp 308 * need special handling and cannot be transmitted as regular control 309 * packets. 310 */ 311 if (unlikely(mlxsw_sp_skb_requires_ts(skb))) 312 return mlxsw_sp->ptp_ops->txhdr_construct(mlxsw_core, 313 mlxsw_sp_port, skb, 314 tx_info); 315 316 if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) { 317 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); 318 dev_kfree_skb_any(skb); 319 return -ENOMEM; 320 } 321 322 mlxsw_sp_txhdr_construct(skb, tx_info); 323 return 0; 324 } 325 326 enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state) 327 { 328 switch (state) { 329 case BR_STATE_FORWARDING: 330 return MLXSW_REG_SPMS_STATE_FORWARDING; 331 case BR_STATE_LEARNING: 332 return MLXSW_REG_SPMS_STATE_LEARNING; 333 case BR_STATE_LISTENING: 334 case BR_STATE_DISABLED: 335 case BR_STATE_BLOCKING: 336 return MLXSW_REG_SPMS_STATE_DISCARDING; 337 default: 338 BUG(); 339 } 340 } 341 342 int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, 343 u8 state) 344 { 345 enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state); 346 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 347 char *spms_pl; 348 int err; 349 350 spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); 351 if (!spms_pl) 352 return -ENOMEM; 353 mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); 354 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); 355 356 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); 357 kfree(spms_pl); 358 return err; 359 } 360 361 static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) 362 { 363 char spad_pl[MLXSW_REG_SPAD_LEN] = {0}; 364 int err; 365 366 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl); 367 if (err) 368 return err; 369 mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac); 370 return 0; 371 } 372 373 int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, 374 bool is_up) 375 { 376 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 377 char paos_pl[MLXSW_REG_PAOS_LEN]; 378 379 mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, 380 is_up ? MLXSW_PORT_ADMIN_STATUS_UP : 381 MLXSW_PORT_ADMIN_STATUS_DOWN); 382 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); 383 } 384 385 static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, 386 const unsigned char *addr) 387 { 388 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 389 char ppad_pl[MLXSW_REG_PPAD_LEN]; 390 391 mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port); 392 mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr); 393 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl); 394 } 395 396 static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) 397 { 398 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 399 400 eth_hw_addr_gen(mlxsw_sp_port->dev, mlxsw_sp->base_mac, 401 mlxsw_sp_port->local_port); 402 return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, 403 mlxsw_sp_port->dev->dev_addr); 404 } 405 406 static int mlxsw_sp_port_max_mtu_get(struct mlxsw_sp_port *mlxsw_sp_port, int *p_max_mtu) 407 { 408 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 409 char pmtu_pl[MLXSW_REG_PMTU_LEN]; 410 int err; 411 412 mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); 413 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); 414 if (err) 415 return err; 416 417 *p_max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); 418 return 0; 419 } 420 421 static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) 422 { 423 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 424 char pmtu_pl[MLXSW_REG_PMTU_LEN]; 425 426 mtu += MLXSW_TXHDR_LEN + ETH_HLEN; 427 if (mtu > mlxsw_sp_port->max_mtu) 428 return -EINVAL; 429 430 mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); 431 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); 432 } 433 434 static int mlxsw_sp_port_swid_set(struct mlxsw_sp *mlxsw_sp, 435 u16 local_port, u8 swid) 436 { 437 char pspa_pl[MLXSW_REG_PSPA_LEN]; 438 439 mlxsw_reg_pspa_pack(pspa_pl, swid, local_port); 440 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); 441 } 442 443 int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) 444 { 445 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 446 char svpe_pl[MLXSW_REG_SVPE_LEN]; 447 448 mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable); 449 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl); 450 } 451 452 int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, 453 bool learn_enable) 454 { 455 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 456 char *spvmlr_pl; 457 int err; 458 459 spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL); 460 if (!spvmlr_pl) 461 return -ENOMEM; 462 mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid, 463 learn_enable); 464 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl); 465 kfree(spvmlr_pl); 466 return err; 467 } 468 469 int mlxsw_sp_port_security_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) 470 { 471 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 472 char spfsr_pl[MLXSW_REG_SPFSR_LEN]; 473 int err; 474 475 if (mlxsw_sp_port->security == enable) 476 return 0; 477 478 mlxsw_reg_spfsr_pack(spfsr_pl, mlxsw_sp_port->local_port, enable); 479 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spfsr), spfsr_pl); 480 if (err) 481 return err; 482 483 mlxsw_sp_port->security = enable; 484 return 0; 485 } 486 487 int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type) 488 { 489 switch (ethtype) { 490 case ETH_P_8021Q: 491 *p_sver_type = 0; 492 break; 493 case ETH_P_8021AD: 494 *p_sver_type = 1; 495 break; 496 default: 497 return -EINVAL; 498 } 499 500 return 0; 501 } 502 503 int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port, 504 u16 ethtype) 505 { 506 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 507 char spevet_pl[MLXSW_REG_SPEVET_LEN]; 508 u8 sver_type; 509 int err; 510 511 err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); 512 if (err) 513 return err; 514 515 mlxsw_reg_spevet_pack(spevet_pl, mlxsw_sp_port->local_port, sver_type); 516 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spevet), spevet_pl); 517 } 518 519 static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, 520 u16 vid, u16 ethtype) 521 { 522 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 523 char spvid_pl[MLXSW_REG_SPVID_LEN]; 524 u8 sver_type; 525 int err; 526 527 err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); 528 if (err) 529 return err; 530 531 mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid, 532 sver_type); 533 534 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); 535 } 536 537 static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, 538 bool allow) 539 { 540 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 541 char spaft_pl[MLXSW_REG_SPAFT_LEN]; 542 543 mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); 544 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); 545 } 546 547 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, 548 u16 ethtype) 549 { 550 int err; 551 552 if (!vid) { 553 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); 554 if (err) 555 return err; 556 } else { 557 err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid, ethtype); 558 if (err) 559 return err; 560 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true); 561 if (err) 562 goto err_port_allow_untagged_set; 563 } 564 565 mlxsw_sp_port->pvid = vid; 566 return 0; 567 568 err_port_allow_untagged_set: 569 __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid, ethtype); 570 return err; 571 } 572 573 static int 574 mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) 575 { 576 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 577 char sspr_pl[MLXSW_REG_SSPR_LEN]; 578 579 mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port); 580 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); 581 } 582 583 static int 584 mlxsw_sp_port_module_info_parse(struct mlxsw_sp *mlxsw_sp, 585 u16 local_port, char *pmlp_pl, 586 struct mlxsw_sp_port_mapping *port_mapping) 587 { 588 bool separate_rxtx; 589 u8 first_lane; 590 u8 slot_index; 591 u8 module; 592 u8 width; 593 int i; 594 595 module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); 596 slot_index = mlxsw_reg_pmlp_slot_index_get(pmlp_pl, 0); 597 width = mlxsw_reg_pmlp_width_get(pmlp_pl); 598 separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl); 599 first_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); 600 601 if (width && !is_power_of_2(width)) { 602 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n", 603 local_port); 604 return -EINVAL; 605 } 606 607 for (i = 0; i < width; i++) { 608 if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) { 609 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n", 610 local_port); 611 return -EINVAL; 612 } 613 if (mlxsw_reg_pmlp_slot_index_get(pmlp_pl, i) != slot_index) { 614 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple slot indexes\n", 615 local_port); 616 return -EINVAL; 617 } 618 if (separate_rxtx && 619 mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != 620 mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) { 621 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n", 622 local_port); 623 return -EINVAL; 624 } 625 if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i + first_lane) { 626 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n", 627 local_port); 628 return -EINVAL; 629 } 630 } 631 632 port_mapping->module = module; 633 port_mapping->slot_index = slot_index; 634 port_mapping->width = width; 635 port_mapping->module_width = width; 636 port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); 637 return 0; 638 } 639 640 static int 641 mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u16 local_port, 642 struct mlxsw_sp_port_mapping *port_mapping) 643 { 644 char pmlp_pl[MLXSW_REG_PMLP_LEN]; 645 int err; 646 647 mlxsw_reg_pmlp_pack(pmlp_pl, local_port); 648 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); 649 if (err) 650 return err; 651 return mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, 652 pmlp_pl, port_mapping); 653 } 654 655 static int 656 mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u16 local_port, 657 const struct mlxsw_sp_port_mapping *port_mapping) 658 { 659 char pmlp_pl[MLXSW_REG_PMLP_LEN]; 660 int i, err; 661 662 mlxsw_env_module_port_map(mlxsw_sp->core, port_mapping->slot_index, 663 port_mapping->module); 664 665 mlxsw_reg_pmlp_pack(pmlp_pl, local_port); 666 mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width); 667 for (i = 0; i < port_mapping->width; i++) { 668 mlxsw_reg_pmlp_slot_index_set(pmlp_pl, i, 669 port_mapping->slot_index); 670 mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module); 671 mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */ 672 } 673 674 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); 675 if (err) 676 goto err_pmlp_write; 677 return 0; 678 679 err_pmlp_write: 680 mlxsw_env_module_port_unmap(mlxsw_sp->core, port_mapping->slot_index, 681 port_mapping->module); 682 return err; 683 } 684 685 static void mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u16 local_port, 686 u8 slot_index, u8 module) 687 { 688 char pmlp_pl[MLXSW_REG_PMLP_LEN]; 689 690 mlxsw_reg_pmlp_pack(pmlp_pl, local_port); 691 mlxsw_reg_pmlp_width_set(pmlp_pl, 0); 692 mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); 693 mlxsw_env_module_port_unmap(mlxsw_sp->core, slot_index, module); 694 } 695 696 static int mlxsw_sp_port_open(struct net_device *dev) 697 { 698 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 699 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 700 int err; 701 702 err = mlxsw_env_module_port_up(mlxsw_sp->core, 703 mlxsw_sp_port->mapping.slot_index, 704 mlxsw_sp_port->mapping.module); 705 if (err) 706 return err; 707 err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); 708 if (err) 709 goto err_port_admin_status_set; 710 netif_start_queue(dev); 711 return 0; 712 713 err_port_admin_status_set: 714 mlxsw_env_module_port_down(mlxsw_sp->core, 715 mlxsw_sp_port->mapping.slot_index, 716 mlxsw_sp_port->mapping.module); 717 return err; 718 } 719 720 static int mlxsw_sp_port_stop(struct net_device *dev) 721 { 722 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 723 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 724 725 netif_stop_queue(dev); 726 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); 727 mlxsw_env_module_port_down(mlxsw_sp->core, 728 mlxsw_sp_port->mapping.slot_index, 729 mlxsw_sp_port->mapping.module); 730 return 0; 731 } 732 733 static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, 734 struct net_device *dev) 735 { 736 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 737 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 738 struct mlxsw_sp_port_pcpu_stats *pcpu_stats; 739 const struct mlxsw_tx_info tx_info = { 740 .local_port = mlxsw_sp_port->local_port, 741 .is_emad = false, 742 }; 743 u64 len; 744 int err; 745 746 memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb)); 747 748 if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info)) 749 return NETDEV_TX_BUSY; 750 751 if (eth_skb_pad(skb)) { 752 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); 753 return NETDEV_TX_OK; 754 } 755 756 err = mlxsw_sp_txhdr_handle(mlxsw_sp->core, mlxsw_sp_port, skb, 757 &tx_info); 758 if (err) 759 return NETDEV_TX_OK; 760 761 /* TX header is consumed by HW on the way so we shouldn't count its 762 * bytes as being sent. 763 */ 764 len = skb->len - MLXSW_TXHDR_LEN; 765 766 /* Due to a race we might fail here because of a full queue. In that 767 * unlikely case we simply drop the packet. 768 */ 769 err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info); 770 771 if (!err) { 772 pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); 773 u64_stats_update_begin(&pcpu_stats->syncp); 774 pcpu_stats->tx_packets++; 775 pcpu_stats->tx_bytes += len; 776 u64_stats_update_end(&pcpu_stats->syncp); 777 } else { 778 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); 779 dev_kfree_skb_any(skb); 780 } 781 return NETDEV_TX_OK; 782 } 783 784 static void mlxsw_sp_set_rx_mode(struct net_device *dev) 785 { 786 } 787 788 static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) 789 { 790 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 791 struct sockaddr *addr = p; 792 int err; 793 794 if (!is_valid_ether_addr(addr->sa_data)) 795 return -EADDRNOTAVAIL; 796 797 err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); 798 if (err) 799 return err; 800 eth_hw_addr_set(dev, addr->sa_data); 801 return 0; 802 } 803 804 static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) 805 { 806 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 807 struct mlxsw_sp_hdroom orig_hdroom; 808 struct mlxsw_sp_hdroom hdroom; 809 int err; 810 811 orig_hdroom = *mlxsw_sp_port->hdroom; 812 813 hdroom = orig_hdroom; 814 hdroom.mtu = mtu; 815 mlxsw_sp_hdroom_bufs_reset_sizes(mlxsw_sp_port, &hdroom); 816 817 err = mlxsw_sp_hdroom_configure(mlxsw_sp_port, &hdroom); 818 if (err) { 819 netdev_err(dev, "Failed to configure port's headroom\n"); 820 return err; 821 } 822 823 err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); 824 if (err) 825 goto err_port_mtu_set; 826 dev->mtu = mtu; 827 return 0; 828 829 err_port_mtu_set: 830 mlxsw_sp_hdroom_configure(mlxsw_sp_port, &orig_hdroom); 831 return err; 832 } 833 834 static int 835 mlxsw_sp_port_get_sw_stats64(const struct net_device *dev, 836 struct rtnl_link_stats64 *stats) 837 { 838 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 839 struct mlxsw_sp_port_pcpu_stats *p; 840 u64 rx_packets, rx_bytes, tx_packets, tx_bytes; 841 u32 tx_dropped = 0; 842 unsigned int start; 843 int i; 844 845 for_each_possible_cpu(i) { 846 p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); 847 do { 848 start = u64_stats_fetch_begin(&p->syncp); 849 rx_packets = p->rx_packets; 850 rx_bytes = p->rx_bytes; 851 tx_packets = p->tx_packets; 852 tx_bytes = p->tx_bytes; 853 } while (u64_stats_fetch_retry(&p->syncp, start)); 854 855 stats->rx_packets += rx_packets; 856 stats->rx_bytes += rx_bytes; 857 stats->tx_packets += tx_packets; 858 stats->tx_bytes += tx_bytes; 859 /* tx_dropped is u32, updated without syncp protection. */ 860 tx_dropped += p->tx_dropped; 861 } 862 stats->tx_dropped = tx_dropped; 863 return 0; 864 } 865 866 static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id) 867 { 868 switch (attr_id) { 869 case IFLA_OFFLOAD_XSTATS_CPU_HIT: 870 return true; 871 } 872 873 return false; 874 } 875 876 static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev, 877 void *sp) 878 { 879 switch (attr_id) { 880 case IFLA_OFFLOAD_XSTATS_CPU_HIT: 881 return mlxsw_sp_port_get_sw_stats64(dev, sp); 882 } 883 884 return -EINVAL; 885 } 886 887 int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, 888 int prio, char *ppcnt_pl) 889 { 890 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 891 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 892 893 mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio); 894 return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl); 895 } 896 897 static int mlxsw_sp_port_get_hw_stats(struct net_device *dev, 898 struct rtnl_link_stats64 *stats) 899 { 900 char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; 901 int err; 902 903 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 904 0, ppcnt_pl); 905 if (err) 906 goto out; 907 908 stats->tx_packets = 909 mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl); 910 stats->rx_packets = 911 mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl); 912 stats->tx_bytes = 913 mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl); 914 stats->rx_bytes = 915 mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl); 916 stats->multicast = 917 mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl); 918 919 stats->rx_crc_errors = 920 mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl); 921 stats->rx_frame_errors = 922 mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl); 923 924 stats->rx_length_errors = ( 925 mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) + 926 mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) + 927 mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl)); 928 929 stats->rx_errors = (stats->rx_crc_errors + 930 stats->rx_frame_errors + stats->rx_length_errors); 931 932 out: 933 return err; 934 } 935 936 static void 937 mlxsw_sp_port_get_hw_xstats(struct net_device *dev, 938 struct mlxsw_sp_port_xstats *xstats) 939 { 940 char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; 941 int err, i; 942 943 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, 944 ppcnt_pl); 945 if (!err) 946 xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl); 947 948 for (i = 0; i < TC_MAX_QUEUE; i++) { 949 err = mlxsw_sp_port_get_stats_raw(dev, 950 MLXSW_REG_PPCNT_TC_CONG_CNT, 951 i, ppcnt_pl); 952 if (err) 953 goto tc_cnt; 954 955 xstats->wred_drop[i] = 956 mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl); 957 xstats->tc_ecn[i] = mlxsw_reg_ppcnt_ecn_marked_tc_get(ppcnt_pl); 958 959 tc_cnt: 960 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT, 961 i, ppcnt_pl); 962 if (err) 963 continue; 964 965 xstats->backlog[i] = 966 mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl); 967 xstats->tail_drop[i] = 968 mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl); 969 } 970 971 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 972 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT, 973 i, ppcnt_pl); 974 if (err) 975 continue; 976 977 xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl); 978 xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl); 979 } 980 } 981 982 static void update_stats_cache(struct work_struct *work) 983 { 984 struct mlxsw_sp_port *mlxsw_sp_port = 985 container_of(work, struct mlxsw_sp_port, 986 periodic_hw_stats.update_dw.work); 987 988 if (!netif_carrier_ok(mlxsw_sp_port->dev)) 989 /* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as 990 * necessary when port goes down. 991 */ 992 goto out; 993 994 mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev, 995 &mlxsw_sp_port->periodic_hw_stats.stats); 996 mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev, 997 &mlxsw_sp_port->periodic_hw_stats.xstats); 998 999 out: 1000 mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 1001 MLXSW_HW_STATS_UPDATE_TIME); 1002 } 1003 1004 /* Return the stats from a cache that is updated periodically, 1005 * as this function might get called in an atomic context. 1006 */ 1007 static void 1008 mlxsw_sp_port_get_stats64(struct net_device *dev, 1009 struct rtnl_link_stats64 *stats) 1010 { 1011 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1012 1013 memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats)); 1014 } 1015 1016 static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, 1017 u16 vid_begin, u16 vid_end, 1018 bool is_member, bool untagged) 1019 { 1020 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1021 char *spvm_pl; 1022 int err; 1023 1024 spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL); 1025 if (!spvm_pl) 1026 return -ENOMEM; 1027 1028 mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin, 1029 vid_end, is_member, untagged); 1030 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl); 1031 kfree(spvm_pl); 1032 return err; 1033 } 1034 1035 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, 1036 u16 vid_end, bool is_member, bool untagged) 1037 { 1038 u16 vid, vid_e; 1039 int err; 1040 1041 for (vid = vid_begin; vid <= vid_end; 1042 vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { 1043 vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), 1044 vid_end); 1045 1046 err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, 1047 is_member, untagged); 1048 if (err) 1049 return err; 1050 } 1051 1052 return 0; 1053 } 1054 1055 static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port, 1056 bool flush_default) 1057 { 1058 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp; 1059 1060 list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp, 1061 &mlxsw_sp_port->vlans_list, list) { 1062 if (!flush_default && 1063 mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID) 1064 continue; 1065 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); 1066 } 1067 } 1068 1069 static void 1070 mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) 1071 { 1072 if (mlxsw_sp_port_vlan->bridge_port) 1073 mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); 1074 else if (mlxsw_sp_port_vlan->fid) 1075 mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); 1076 } 1077 1078 struct mlxsw_sp_port_vlan * 1079 mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) 1080 { 1081 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; 1082 bool untagged = vid == MLXSW_SP_DEFAULT_VID; 1083 int err; 1084 1085 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); 1086 if (mlxsw_sp_port_vlan) 1087 return ERR_PTR(-EEXIST); 1088 1089 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged); 1090 if (err) 1091 return ERR_PTR(err); 1092 1093 mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL); 1094 if (!mlxsw_sp_port_vlan) { 1095 err = -ENOMEM; 1096 goto err_port_vlan_alloc; 1097 } 1098 1099 mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port; 1100 mlxsw_sp_port_vlan->vid = vid; 1101 list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list); 1102 1103 return mlxsw_sp_port_vlan; 1104 1105 err_port_vlan_alloc: 1106 mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); 1107 return ERR_PTR(err); 1108 } 1109 1110 void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) 1111 { 1112 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; 1113 u16 vid = mlxsw_sp_port_vlan->vid; 1114 1115 mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan); 1116 list_del(&mlxsw_sp_port_vlan->list); 1117 kfree(mlxsw_sp_port_vlan); 1118 mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); 1119 } 1120 1121 static int mlxsw_sp_port_add_vid(struct net_device *dev, 1122 __be16 __always_unused proto, u16 vid) 1123 { 1124 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1125 1126 /* VLAN 0 is added to HW filter when device goes up, but it is 1127 * reserved in our case, so simply return. 1128 */ 1129 if (!vid) 1130 return 0; 1131 1132 return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid)); 1133 } 1134 1135 static int mlxsw_sp_port_kill_vid(struct net_device *dev, 1136 __be16 __always_unused proto, u16 vid) 1137 { 1138 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1139 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; 1140 1141 /* VLAN 0 is removed from HW filter when device goes down, but 1142 * it is reserved in our case, so simply return. 1143 */ 1144 if (!vid) 1145 return 0; 1146 1147 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); 1148 if (!mlxsw_sp_port_vlan) 1149 return 0; 1150 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); 1151 1152 return 0; 1153 } 1154 1155 static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port, 1156 struct flow_block_offload *f) 1157 { 1158 switch (f->binder_type) { 1159 case FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS: 1160 return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, true); 1161 case FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS: 1162 return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, false); 1163 case FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP: 1164 return mlxsw_sp_setup_tc_block_qevent_early_drop(mlxsw_sp_port, f); 1165 case FLOW_BLOCK_BINDER_TYPE_RED_MARK: 1166 return mlxsw_sp_setup_tc_block_qevent_mark(mlxsw_sp_port, f); 1167 default: 1168 return -EOPNOTSUPP; 1169 } 1170 } 1171 1172 static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type, 1173 void *type_data) 1174 { 1175 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1176 1177 switch (type) { 1178 case TC_SETUP_BLOCK: 1179 return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data); 1180 case TC_SETUP_QDISC_RED: 1181 return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data); 1182 case TC_SETUP_QDISC_PRIO: 1183 return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data); 1184 case TC_SETUP_QDISC_ETS: 1185 return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data); 1186 case TC_SETUP_QDISC_TBF: 1187 return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data); 1188 case TC_SETUP_QDISC_FIFO: 1189 return mlxsw_sp_setup_tc_fifo(mlxsw_sp_port, type_data); 1190 default: 1191 return -EOPNOTSUPP; 1192 } 1193 } 1194 1195 static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable) 1196 { 1197 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1198 1199 if (!enable) { 1200 if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) || 1201 mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) { 1202 netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n"); 1203 return -EINVAL; 1204 } 1205 mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block); 1206 mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block); 1207 } else { 1208 mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block); 1209 mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block); 1210 } 1211 return 0; 1212 } 1213 1214 static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable) 1215 { 1216 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1217 char pplr_pl[MLXSW_REG_PPLR_LEN]; 1218 int err; 1219 1220 if (netif_running(dev)) 1221 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); 1222 1223 mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable); 1224 err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr), 1225 pplr_pl); 1226 1227 if (netif_running(dev)) 1228 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); 1229 1230 return err; 1231 } 1232 1233 typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable); 1234 1235 static int mlxsw_sp_handle_feature(struct net_device *dev, 1236 netdev_features_t wanted_features, 1237 netdev_features_t feature, 1238 mlxsw_sp_feature_handler feature_handler) 1239 { 1240 netdev_features_t changes = wanted_features ^ dev->features; 1241 bool enable = !!(wanted_features & feature); 1242 int err; 1243 1244 if (!(changes & feature)) 1245 return 0; 1246 1247 err = feature_handler(dev, enable); 1248 if (err) { 1249 netdev_err(dev, "%s feature %pNF failed, err %d\n", 1250 enable ? "Enable" : "Disable", &feature, err); 1251 return err; 1252 } 1253 1254 if (enable) 1255 dev->features |= feature; 1256 else 1257 dev->features &= ~feature; 1258 1259 return 0; 1260 } 1261 static int mlxsw_sp_set_features(struct net_device *dev, 1262 netdev_features_t features) 1263 { 1264 netdev_features_t oper_features = dev->features; 1265 int err = 0; 1266 1267 err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC, 1268 mlxsw_sp_feature_hw_tc); 1269 err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK, 1270 mlxsw_sp_feature_loopback); 1271 1272 if (err) { 1273 dev->features = oper_features; 1274 return -EINVAL; 1275 } 1276 1277 return 0; 1278 } 1279 1280 static int mlxsw_sp_port_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, 1281 struct ifreq *ifr) 1282 { 1283 struct hwtstamp_config config; 1284 int err; 1285 1286 if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) 1287 return -EFAULT; 1288 1289 err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, 1290 &config); 1291 if (err) 1292 return err; 1293 1294 if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) 1295 return -EFAULT; 1296 1297 return 0; 1298 } 1299 1300 static int mlxsw_sp_port_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port, 1301 struct ifreq *ifr) 1302 { 1303 struct hwtstamp_config config; 1304 int err; 1305 1306 err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port, 1307 &config); 1308 if (err) 1309 return err; 1310 1311 if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) 1312 return -EFAULT; 1313 1314 return 0; 1315 } 1316 1317 static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port) 1318 { 1319 struct hwtstamp_config config = {0}; 1320 1321 mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config); 1322 } 1323 1324 static int 1325 mlxsw_sp_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 1326 { 1327 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 1328 1329 switch (cmd) { 1330 case SIOCSHWTSTAMP: 1331 return mlxsw_sp_port_hwtstamp_set(mlxsw_sp_port, ifr); 1332 case SIOCGHWTSTAMP: 1333 return mlxsw_sp_port_hwtstamp_get(mlxsw_sp_port, ifr); 1334 default: 1335 return -EOPNOTSUPP; 1336 } 1337 } 1338 1339 static const struct net_device_ops mlxsw_sp_port_netdev_ops = { 1340 .ndo_open = mlxsw_sp_port_open, 1341 .ndo_stop = mlxsw_sp_port_stop, 1342 .ndo_start_xmit = mlxsw_sp_port_xmit, 1343 .ndo_setup_tc = mlxsw_sp_setup_tc, 1344 .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, 1345 .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, 1346 .ndo_change_mtu = mlxsw_sp_port_change_mtu, 1347 .ndo_get_stats64 = mlxsw_sp_port_get_stats64, 1348 .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, 1349 .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, 1350 .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, 1351 .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, 1352 .ndo_set_features = mlxsw_sp_set_features, 1353 .ndo_eth_ioctl = mlxsw_sp_port_ioctl, 1354 }; 1355 1356 static int 1357 mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port) 1358 { 1359 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1360 u32 eth_proto_cap, eth_proto_admin, eth_proto_oper; 1361 const struct mlxsw_sp_port_type_speed_ops *ops; 1362 char ptys_pl[MLXSW_REG_PTYS_LEN]; 1363 u32 eth_proto_cap_masked; 1364 int err; 1365 1366 ops = mlxsw_sp->port_type_speed_ops; 1367 1368 /* Set advertised speeds to speeds supported by both the driver 1369 * and the device. 1370 */ 1371 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, 1372 0, false); 1373 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); 1374 if (err) 1375 return err; 1376 1377 ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, 1378 ð_proto_admin, ð_proto_oper); 1379 eth_proto_cap_masked = ops->ptys_proto_cap_masked_get(eth_proto_cap); 1380 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, 1381 eth_proto_cap_masked, 1382 mlxsw_sp_port->link.autoneg); 1383 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); 1384 } 1385 1386 int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed) 1387 { 1388 const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops; 1389 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1390 char ptys_pl[MLXSW_REG_PTYS_LEN]; 1391 u32 eth_proto_oper; 1392 int err; 1393 1394 port_type_speed_ops = mlxsw_sp->port_type_speed_ops; 1395 port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, 1396 mlxsw_sp_port->local_port, 0, 1397 false); 1398 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); 1399 if (err) 1400 return err; 1401 port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL, 1402 ð_proto_oper); 1403 *speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper); 1404 return 0; 1405 } 1406 1407 int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, 1408 enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, 1409 bool dwrr, u8 dwrr_weight) 1410 { 1411 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1412 char qeec_pl[MLXSW_REG_QEEC_LEN]; 1413 1414 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, 1415 next_index); 1416 mlxsw_reg_qeec_de_set(qeec_pl, true); 1417 mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr); 1418 mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight); 1419 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); 1420 } 1421 1422 int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, 1423 enum mlxsw_reg_qeec_hr hr, u8 index, 1424 u8 next_index, u32 maxrate, u8 burst_size) 1425 { 1426 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1427 char qeec_pl[MLXSW_REG_QEEC_LEN]; 1428 1429 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, 1430 next_index); 1431 mlxsw_reg_qeec_mase_set(qeec_pl, true); 1432 mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate); 1433 mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size); 1434 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); 1435 } 1436 1437 static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port, 1438 enum mlxsw_reg_qeec_hr hr, u8 index, 1439 u8 next_index, u32 minrate) 1440 { 1441 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1442 char qeec_pl[MLXSW_REG_QEEC_LEN]; 1443 1444 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, 1445 next_index); 1446 mlxsw_reg_qeec_mise_set(qeec_pl, true); 1447 mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate); 1448 1449 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); 1450 } 1451 1452 int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port, 1453 u8 switch_prio, u8 tclass) 1454 { 1455 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1456 char qtct_pl[MLXSW_REG_QTCT_LEN]; 1457 1458 mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio, 1459 tclass); 1460 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl); 1461 } 1462 1463 static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) 1464 { 1465 int err, i; 1466 1467 /* Setup the elements hierarcy, so that each TC is linked to 1468 * one subgroup, which are all member in the same group. 1469 */ 1470 err = mlxsw_sp_port_ets_set(mlxsw_sp_port, 1471 MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0); 1472 if (err) 1473 return err; 1474 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1475 err = mlxsw_sp_port_ets_set(mlxsw_sp_port, 1476 MLXSW_REG_QEEC_HR_SUBGROUP, i, 1477 0, false, 0); 1478 if (err) 1479 return err; 1480 } 1481 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1482 err = mlxsw_sp_port_ets_set(mlxsw_sp_port, 1483 MLXSW_REG_QEEC_HR_TC, i, i, 1484 false, 0); 1485 if (err) 1486 return err; 1487 1488 err = mlxsw_sp_port_ets_set(mlxsw_sp_port, 1489 MLXSW_REG_QEEC_HR_TC, 1490 i + 8, i, 1491 true, 100); 1492 if (err) 1493 return err; 1494 } 1495 1496 /* Make sure the max shaper is disabled in all hierarchies that support 1497 * it. Note that this disables ptps (PTP shaper), but that is intended 1498 * for the initial configuration. 1499 */ 1500 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, 1501 MLXSW_REG_QEEC_HR_PORT, 0, 0, 1502 MLXSW_REG_QEEC_MAS_DIS, 0); 1503 if (err) 1504 return err; 1505 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1506 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, 1507 MLXSW_REG_QEEC_HR_SUBGROUP, 1508 i, 0, 1509 MLXSW_REG_QEEC_MAS_DIS, 0); 1510 if (err) 1511 return err; 1512 } 1513 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1514 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, 1515 MLXSW_REG_QEEC_HR_TC, 1516 i, i, 1517 MLXSW_REG_QEEC_MAS_DIS, 0); 1518 if (err) 1519 return err; 1520 1521 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, 1522 MLXSW_REG_QEEC_HR_TC, 1523 i + 8, i, 1524 MLXSW_REG_QEEC_MAS_DIS, 0); 1525 if (err) 1526 return err; 1527 } 1528 1529 /* Configure the min shaper for multicast TCs. */ 1530 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1531 err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port, 1532 MLXSW_REG_QEEC_HR_TC, 1533 i + 8, i, 1534 MLXSW_REG_QEEC_MIS_MIN); 1535 if (err) 1536 return err; 1537 } 1538 1539 /* Map all priorities to traffic class 0. */ 1540 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1541 err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0); 1542 if (err) 1543 return err; 1544 } 1545 1546 return 0; 1547 } 1548 1549 static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, 1550 bool enable) 1551 { 1552 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1553 char qtctm_pl[MLXSW_REG_QTCTM_LEN]; 1554 1555 mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable); 1556 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl); 1557 } 1558 1559 static int mlxsw_sp_port_overheat_init_val_set(struct mlxsw_sp_port *mlxsw_sp_port) 1560 { 1561 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1562 u8 slot_index = mlxsw_sp_port->mapping.slot_index; 1563 u8 module = mlxsw_sp_port->mapping.module; 1564 u64 overheat_counter; 1565 int err; 1566 1567 err = mlxsw_env_module_overheat_counter_get(mlxsw_sp->core, slot_index, 1568 module, &overheat_counter); 1569 if (err) 1570 return err; 1571 1572 mlxsw_sp_port->module_overheat_initial_val = overheat_counter; 1573 return 0; 1574 } 1575 1576 int 1577 mlxsw_sp_port_vlan_classification_set(struct mlxsw_sp_port *mlxsw_sp_port, 1578 bool is_8021ad_tagged, 1579 bool is_8021q_tagged) 1580 { 1581 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 1582 char spvc_pl[MLXSW_REG_SPVC_LEN]; 1583 1584 mlxsw_reg_spvc_pack(spvc_pl, mlxsw_sp_port->local_port, 1585 is_8021ad_tagged, is_8021q_tagged); 1586 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvc), spvc_pl); 1587 } 1588 1589 static int mlxsw_sp_port_label_info_get(struct mlxsw_sp *mlxsw_sp, 1590 u16 local_port, u8 *port_number, 1591 u8 *split_port_subnumber, 1592 u8 *slot_index) 1593 { 1594 char pllp_pl[MLXSW_REG_PLLP_LEN]; 1595 int err; 1596 1597 mlxsw_reg_pllp_pack(pllp_pl, local_port); 1598 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pllp), pllp_pl); 1599 if (err) 1600 return err; 1601 mlxsw_reg_pllp_unpack(pllp_pl, port_number, 1602 split_port_subnumber, slot_index); 1603 return 0; 1604 } 1605 1606 static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u16 local_port, 1607 bool split, 1608 struct mlxsw_sp_port_mapping *port_mapping) 1609 { 1610 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; 1611 struct mlxsw_sp_port *mlxsw_sp_port; 1612 u32 lanes = port_mapping->width; 1613 u8 split_port_subnumber; 1614 struct net_device *dev; 1615 u8 port_number; 1616 u8 slot_index; 1617 bool splittable; 1618 int err; 1619 1620 err = mlxsw_sp_port_module_map(mlxsw_sp, local_port, port_mapping); 1621 if (err) { 1622 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n", 1623 local_port); 1624 return err; 1625 } 1626 1627 err = mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 0); 1628 if (err) { 1629 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", 1630 local_port); 1631 goto err_port_swid_set; 1632 } 1633 1634 err = mlxsw_sp_port_label_info_get(mlxsw_sp, local_port, &port_number, 1635 &split_port_subnumber, &slot_index); 1636 if (err) { 1637 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get port label information\n", 1638 local_port); 1639 goto err_port_label_info_get; 1640 } 1641 1642 splittable = lanes > 1 && !split; 1643 err = mlxsw_core_port_init(mlxsw_sp->core, local_port, slot_index, 1644 port_number, split, split_port_subnumber, 1645 splittable, lanes, mlxsw_sp->base_mac, 1646 sizeof(mlxsw_sp->base_mac)); 1647 if (err) { 1648 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", 1649 local_port); 1650 goto err_core_port_init; 1651 } 1652 1653 dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); 1654 if (!dev) { 1655 err = -ENOMEM; 1656 goto err_alloc_etherdev; 1657 } 1658 SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev); 1659 dev_net_set(dev, mlxsw_sp_net(mlxsw_sp)); 1660 mlxsw_sp_port = netdev_priv(dev); 1661 mlxsw_core_port_netdev_link(mlxsw_sp->core, local_port, 1662 mlxsw_sp_port, dev); 1663 mlxsw_sp_port->dev = dev; 1664 mlxsw_sp_port->mlxsw_sp = mlxsw_sp; 1665 mlxsw_sp_port->local_port = local_port; 1666 mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID; 1667 mlxsw_sp_port->split = split; 1668 mlxsw_sp_port->mapping = *port_mapping; 1669 mlxsw_sp_port->link.autoneg = 1; 1670 INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list); 1671 1672 mlxsw_sp_port->pcpu_stats = 1673 netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); 1674 if (!mlxsw_sp_port->pcpu_stats) { 1675 err = -ENOMEM; 1676 goto err_alloc_stats; 1677 } 1678 1679 INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw, 1680 &update_stats_cache); 1681 1682 dev->netdev_ops = &mlxsw_sp_port_netdev_ops; 1683 dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; 1684 1685 err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); 1686 if (err) { 1687 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", 1688 mlxsw_sp_port->local_port); 1689 goto err_dev_addr_init; 1690 } 1691 1692 netif_carrier_off(dev); 1693 1694 dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | 1695 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC; 1696 dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK; 1697 1698 dev->min_mtu = 0; 1699 dev->max_mtu = ETH_MAX_MTU; 1700 1701 /* Each packet needs to have a Tx header (metadata) on top all other 1702 * headers. 1703 */ 1704 dev->needed_headroom = MLXSW_TXHDR_LEN; 1705 1706 err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port); 1707 if (err) { 1708 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n", 1709 mlxsw_sp_port->local_port); 1710 goto err_port_system_port_mapping_set; 1711 } 1712 1713 err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port); 1714 if (err) { 1715 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", 1716 mlxsw_sp_port->local_port); 1717 goto err_port_speed_by_width_set; 1718 } 1719 1720 err = mlxsw_sp->port_type_speed_ops->ptys_max_speed(mlxsw_sp_port, 1721 &mlxsw_sp_port->max_speed); 1722 if (err) { 1723 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum speed\n", 1724 mlxsw_sp_port->local_port); 1725 goto err_max_speed_get; 1726 } 1727 1728 err = mlxsw_sp_port_max_mtu_get(mlxsw_sp_port, &mlxsw_sp_port->max_mtu); 1729 if (err) { 1730 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum MTU\n", 1731 mlxsw_sp_port->local_port); 1732 goto err_port_max_mtu_get; 1733 } 1734 1735 err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); 1736 if (err) { 1737 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", 1738 mlxsw_sp_port->local_port); 1739 goto err_port_mtu_set; 1740 } 1741 1742 err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); 1743 if (err) 1744 goto err_port_admin_status_set; 1745 1746 err = mlxsw_sp_port_buffers_init(mlxsw_sp_port); 1747 if (err) { 1748 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n", 1749 mlxsw_sp_port->local_port); 1750 goto err_port_buffers_init; 1751 } 1752 1753 err = mlxsw_sp_port_ets_init(mlxsw_sp_port); 1754 if (err) { 1755 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n", 1756 mlxsw_sp_port->local_port); 1757 goto err_port_ets_init; 1758 } 1759 1760 err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true); 1761 if (err) { 1762 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n", 1763 mlxsw_sp_port->local_port); 1764 goto err_port_tc_mc_mode; 1765 } 1766 1767 /* ETS and buffers must be initialized before DCB. */ 1768 err = mlxsw_sp_port_dcb_init(mlxsw_sp_port); 1769 if (err) { 1770 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n", 1771 mlxsw_sp_port->local_port); 1772 goto err_port_dcb_init; 1773 } 1774 1775 err = mlxsw_sp_port_fids_init(mlxsw_sp_port); 1776 if (err) { 1777 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n", 1778 mlxsw_sp_port->local_port); 1779 goto err_port_fids_init; 1780 } 1781 1782 err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port); 1783 if (err) { 1784 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n", 1785 mlxsw_sp_port->local_port); 1786 goto err_port_qdiscs_init; 1787 } 1788 1789 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false, 1790 false); 1791 if (err) { 1792 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n", 1793 mlxsw_sp_port->local_port); 1794 goto err_port_vlan_clear; 1795 } 1796 1797 err = mlxsw_sp_port_nve_init(mlxsw_sp_port); 1798 if (err) { 1799 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n", 1800 mlxsw_sp_port->local_port); 1801 goto err_port_nve_init; 1802 } 1803 1804 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, 1805 ETH_P_8021Q); 1806 if (err) { 1807 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n", 1808 mlxsw_sp_port->local_port); 1809 goto err_port_pvid_set; 1810 } 1811 1812 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port, 1813 MLXSW_SP_DEFAULT_VID); 1814 if (IS_ERR(mlxsw_sp_port_vlan)) { 1815 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n", 1816 mlxsw_sp_port->local_port); 1817 err = PTR_ERR(mlxsw_sp_port_vlan); 1818 goto err_port_vlan_create; 1819 } 1820 mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan; 1821 1822 /* Set SPVC.et0=true and SPVC.et1=false to make the local port to treat 1823 * only packets with 802.1q header as tagged packets. 1824 */ 1825 err = mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true); 1826 if (err) { 1827 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set default VLAN classification\n", 1828 local_port); 1829 goto err_port_vlan_classification_set; 1830 } 1831 1832 INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw, 1833 mlxsw_sp->ptp_ops->shaper_work); 1834 1835 mlxsw_sp->ports[local_port] = mlxsw_sp_port; 1836 1837 err = mlxsw_sp_port_overheat_init_val_set(mlxsw_sp_port); 1838 if (err) { 1839 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set overheat initial value\n", 1840 mlxsw_sp_port->local_port); 1841 goto err_port_overheat_init_val_set; 1842 } 1843 1844 err = register_netdev(dev); 1845 if (err) { 1846 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", 1847 mlxsw_sp_port->local_port); 1848 goto err_register_netdev; 1849 } 1850 1851 mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0); 1852 return 0; 1853 1854 err_register_netdev: 1855 err_port_overheat_init_val_set: 1856 mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); 1857 err_port_vlan_classification_set: 1858 mlxsw_sp->ports[local_port] = NULL; 1859 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); 1860 err_port_vlan_create: 1861 err_port_pvid_set: 1862 mlxsw_sp_port_nve_fini(mlxsw_sp_port); 1863 err_port_nve_init: 1864 err_port_vlan_clear: 1865 mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); 1866 err_port_qdiscs_init: 1867 mlxsw_sp_port_fids_fini(mlxsw_sp_port); 1868 err_port_fids_init: 1869 mlxsw_sp_port_dcb_fini(mlxsw_sp_port); 1870 err_port_dcb_init: 1871 mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); 1872 err_port_tc_mc_mode: 1873 err_port_ets_init: 1874 mlxsw_sp_port_buffers_fini(mlxsw_sp_port); 1875 err_port_buffers_init: 1876 err_port_admin_status_set: 1877 err_port_mtu_set: 1878 err_port_max_mtu_get: 1879 err_max_speed_get: 1880 err_port_speed_by_width_set: 1881 err_port_system_port_mapping_set: 1882 err_dev_addr_init: 1883 free_percpu(mlxsw_sp_port->pcpu_stats); 1884 err_alloc_stats: 1885 free_netdev(dev); 1886 err_alloc_etherdev: 1887 mlxsw_core_port_fini(mlxsw_sp->core, local_port); 1888 err_core_port_init: 1889 err_port_label_info_get: 1890 mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 1891 MLXSW_PORT_SWID_DISABLED_PORT); 1892 err_port_swid_set: 1893 mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, 1894 port_mapping->slot_index, 1895 port_mapping->module); 1896 return err; 1897 } 1898 1899 static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u16 local_port) 1900 { 1901 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; 1902 u8 slot_index = mlxsw_sp_port->mapping.slot_index; 1903 u8 module = mlxsw_sp_port->mapping.module; 1904 1905 cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw); 1906 cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw); 1907 unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ 1908 mlxsw_sp_port_ptp_clear(mlxsw_sp_port); 1909 mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); 1910 mlxsw_sp->ports[local_port] = NULL; 1911 mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true); 1912 mlxsw_sp_port_nve_fini(mlxsw_sp_port); 1913 mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); 1914 mlxsw_sp_port_fids_fini(mlxsw_sp_port); 1915 mlxsw_sp_port_dcb_fini(mlxsw_sp_port); 1916 mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); 1917 mlxsw_sp_port_buffers_fini(mlxsw_sp_port); 1918 free_percpu(mlxsw_sp_port->pcpu_stats); 1919 WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list)); 1920 free_netdev(mlxsw_sp_port->dev); 1921 mlxsw_core_port_fini(mlxsw_sp->core, local_port); 1922 mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 1923 MLXSW_PORT_SWID_DISABLED_PORT); 1924 mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, slot_index, module); 1925 } 1926 1927 static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp) 1928 { 1929 struct mlxsw_sp_port *mlxsw_sp_port; 1930 int err; 1931 1932 mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL); 1933 if (!mlxsw_sp_port) 1934 return -ENOMEM; 1935 1936 mlxsw_sp_port->mlxsw_sp = mlxsw_sp; 1937 mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT; 1938 1939 err = mlxsw_core_cpu_port_init(mlxsw_sp->core, 1940 mlxsw_sp_port, 1941 mlxsw_sp->base_mac, 1942 sizeof(mlxsw_sp->base_mac)); 1943 if (err) { 1944 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n"); 1945 goto err_core_cpu_port_init; 1946 } 1947 1948 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port; 1949 return 0; 1950 1951 err_core_cpu_port_init: 1952 kfree(mlxsw_sp_port); 1953 return err; 1954 } 1955 1956 static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp) 1957 { 1958 struct mlxsw_sp_port *mlxsw_sp_port = 1959 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT]; 1960 1961 mlxsw_core_cpu_port_fini(mlxsw_sp->core); 1962 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL; 1963 kfree(mlxsw_sp_port); 1964 } 1965 1966 static bool mlxsw_sp_local_port_valid(u16 local_port) 1967 { 1968 return local_port != MLXSW_PORT_CPU_PORT; 1969 } 1970 1971 static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u16 local_port) 1972 { 1973 if (!mlxsw_sp_local_port_valid(local_port)) 1974 return false; 1975 return mlxsw_sp->ports[local_port] != NULL; 1976 } 1977 1978 static int mlxsw_sp_port_mapping_event_set(struct mlxsw_sp *mlxsw_sp, 1979 u16 local_port, bool enable) 1980 { 1981 char pmecr_pl[MLXSW_REG_PMECR_LEN]; 1982 1983 mlxsw_reg_pmecr_pack(pmecr_pl, local_port, 1984 enable ? MLXSW_REG_PMECR_E_GENERATE_EVENT : 1985 MLXSW_REG_PMECR_E_DO_NOT_GENERATE_EVENT); 1986 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmecr), pmecr_pl); 1987 } 1988 1989 struct mlxsw_sp_port_mapping_event { 1990 struct list_head list; 1991 char pmlp_pl[MLXSW_REG_PMLP_LEN]; 1992 }; 1993 1994 static void mlxsw_sp_port_mapping_events_work(struct work_struct *work) 1995 { 1996 struct mlxsw_sp_port_mapping_event *event, *next_event; 1997 struct mlxsw_sp_port_mapping_events *events; 1998 struct mlxsw_sp_port_mapping port_mapping; 1999 struct mlxsw_sp *mlxsw_sp; 2000 struct devlink *devlink; 2001 LIST_HEAD(event_queue); 2002 u16 local_port; 2003 int err; 2004 2005 events = container_of(work, struct mlxsw_sp_port_mapping_events, work); 2006 mlxsw_sp = container_of(events, struct mlxsw_sp, port_mapping_events); 2007 devlink = priv_to_devlink(mlxsw_sp->core); 2008 2009 spin_lock_bh(&events->queue_lock); 2010 list_splice_init(&events->queue, &event_queue); 2011 spin_unlock_bh(&events->queue_lock); 2012 2013 list_for_each_entry_safe(event, next_event, &event_queue, list) { 2014 local_port = mlxsw_reg_pmlp_local_port_get(event->pmlp_pl); 2015 err = mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, 2016 event->pmlp_pl, &port_mapping); 2017 if (err) 2018 goto out; 2019 2020 if (WARN_ON_ONCE(!port_mapping.width)) 2021 goto out; 2022 2023 devl_lock(devlink); 2024 2025 if (!mlxsw_sp_port_created(mlxsw_sp, local_port)) 2026 mlxsw_sp_port_create(mlxsw_sp, local_port, 2027 false, &port_mapping); 2028 else 2029 WARN_ON_ONCE(1); 2030 2031 devl_unlock(devlink); 2032 2033 mlxsw_sp->port_mapping[local_port] = port_mapping; 2034 2035 out: 2036 kfree(event); 2037 } 2038 } 2039 2040 static void 2041 mlxsw_sp_port_mapping_listener_func(const struct mlxsw_reg_info *reg, 2042 char *pmlp_pl, void *priv) 2043 { 2044 struct mlxsw_sp_port_mapping_events *events; 2045 struct mlxsw_sp_port_mapping_event *event; 2046 struct mlxsw_sp *mlxsw_sp = priv; 2047 u16 local_port; 2048 2049 local_port = mlxsw_reg_pmlp_local_port_get(pmlp_pl); 2050 if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) 2051 return; 2052 2053 events = &mlxsw_sp->port_mapping_events; 2054 event = kmalloc(sizeof(*event), GFP_ATOMIC); 2055 if (!event) 2056 return; 2057 memcpy(event->pmlp_pl, pmlp_pl, sizeof(event->pmlp_pl)); 2058 spin_lock(&events->queue_lock); 2059 list_add_tail(&event->list, &events->queue); 2060 spin_unlock(&events->queue_lock); 2061 mlxsw_core_schedule_work(&events->work); 2062 } 2063 2064 static void 2065 __mlxsw_sp_port_mapping_events_cancel(struct mlxsw_sp *mlxsw_sp) 2066 { 2067 struct mlxsw_sp_port_mapping_event *event, *next_event; 2068 struct mlxsw_sp_port_mapping_events *events; 2069 2070 events = &mlxsw_sp->port_mapping_events; 2071 2072 /* Caller needs to make sure that no new event is going to appear. */ 2073 cancel_work_sync(&events->work); 2074 list_for_each_entry_safe(event, next_event, &events->queue, list) { 2075 list_del(&event->list); 2076 kfree(event); 2077 } 2078 } 2079 2080 static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) 2081 { 2082 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); 2083 int i; 2084 2085 for (i = 1; i < max_ports; i++) 2086 mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); 2087 /* Make sure all scheduled events are processed */ 2088 __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); 2089 2090 for (i = 1; i < max_ports; i++) 2091 if (mlxsw_sp_port_created(mlxsw_sp, i)) 2092 mlxsw_sp_port_remove(mlxsw_sp, i); 2093 mlxsw_sp_cpu_port_remove(mlxsw_sp); 2094 kfree(mlxsw_sp->ports); 2095 mlxsw_sp->ports = NULL; 2096 } 2097 2098 static void 2099 mlxsw_sp_ports_remove_selected(struct mlxsw_core *mlxsw_core, 2100 bool (*selector)(void *priv, u16 local_port), 2101 void *priv) 2102 { 2103 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 2104 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_core); 2105 int i; 2106 2107 for (i = 1; i < max_ports; i++) 2108 if (mlxsw_sp_port_created(mlxsw_sp, i) && selector(priv, i)) 2109 mlxsw_sp_port_remove(mlxsw_sp, i); 2110 } 2111 2112 static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) 2113 { 2114 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); 2115 struct mlxsw_sp_port_mapping_events *events; 2116 struct mlxsw_sp_port_mapping *port_mapping; 2117 size_t alloc_size; 2118 int i; 2119 int err; 2120 2121 alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports; 2122 mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL); 2123 if (!mlxsw_sp->ports) 2124 return -ENOMEM; 2125 2126 events = &mlxsw_sp->port_mapping_events; 2127 INIT_LIST_HEAD(&events->queue); 2128 spin_lock_init(&events->queue_lock); 2129 INIT_WORK(&events->work, mlxsw_sp_port_mapping_events_work); 2130 2131 for (i = 1; i < max_ports; i++) { 2132 err = mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, true); 2133 if (err) 2134 goto err_event_enable; 2135 } 2136 2137 err = mlxsw_sp_cpu_port_create(mlxsw_sp); 2138 if (err) 2139 goto err_cpu_port_create; 2140 2141 for (i = 1; i < max_ports; i++) { 2142 port_mapping = &mlxsw_sp->port_mapping[i]; 2143 if (!port_mapping->width) 2144 continue; 2145 err = mlxsw_sp_port_create(mlxsw_sp, i, false, port_mapping); 2146 if (err) 2147 goto err_port_create; 2148 } 2149 return 0; 2150 2151 err_port_create: 2152 for (i--; i >= 1; i--) 2153 if (mlxsw_sp_port_created(mlxsw_sp, i)) 2154 mlxsw_sp_port_remove(mlxsw_sp, i); 2155 i = max_ports; 2156 mlxsw_sp_cpu_port_remove(mlxsw_sp); 2157 err_cpu_port_create: 2158 err_event_enable: 2159 for (i--; i >= 1; i--) 2160 mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); 2161 /* Make sure all scheduled events are processed */ 2162 __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); 2163 kfree(mlxsw_sp->ports); 2164 mlxsw_sp->ports = NULL; 2165 return err; 2166 } 2167 2168 static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp) 2169 { 2170 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); 2171 struct mlxsw_sp_port_mapping *port_mapping; 2172 int i; 2173 int err; 2174 2175 mlxsw_sp->port_mapping = kcalloc(max_ports, 2176 sizeof(struct mlxsw_sp_port_mapping), 2177 GFP_KERNEL); 2178 if (!mlxsw_sp->port_mapping) 2179 return -ENOMEM; 2180 2181 for (i = 1; i < max_ports; i++) { 2182 port_mapping = &mlxsw_sp->port_mapping[i]; 2183 err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, port_mapping); 2184 if (err) 2185 goto err_port_module_info_get; 2186 } 2187 return 0; 2188 2189 err_port_module_info_get: 2190 kfree(mlxsw_sp->port_mapping); 2191 return err; 2192 } 2193 2194 static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp) 2195 { 2196 kfree(mlxsw_sp->port_mapping); 2197 } 2198 2199 static int 2200 mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, 2201 struct mlxsw_sp_port_mapping *port_mapping, 2202 unsigned int count, const char *pmtdb_pl) 2203 { 2204 struct mlxsw_sp_port_mapping split_port_mapping; 2205 int err, i; 2206 2207 split_port_mapping = *port_mapping; 2208 split_port_mapping.width /= count; 2209 for (i = 0; i < count; i++) { 2210 u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); 2211 2212 if (!mlxsw_sp_local_port_valid(s_local_port)) 2213 continue; 2214 2215 err = mlxsw_sp_port_create(mlxsw_sp, s_local_port, 2216 true, &split_port_mapping); 2217 if (err) 2218 goto err_port_create; 2219 split_port_mapping.lane += split_port_mapping.width; 2220 } 2221 2222 return 0; 2223 2224 err_port_create: 2225 for (i--; i >= 0; i--) { 2226 u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); 2227 2228 if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) 2229 mlxsw_sp_port_remove(mlxsw_sp, s_local_port); 2230 } 2231 return err; 2232 } 2233 2234 static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp, 2235 unsigned int count, 2236 const char *pmtdb_pl) 2237 { 2238 struct mlxsw_sp_port_mapping *port_mapping; 2239 int i; 2240 2241 /* Go over original unsplit ports in the gap and recreate them. */ 2242 for (i = 0; i < count; i++) { 2243 u16 local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); 2244 2245 port_mapping = &mlxsw_sp->port_mapping[local_port]; 2246 if (!port_mapping->width || !mlxsw_sp_local_port_valid(local_port)) 2247 continue; 2248 mlxsw_sp_port_create(mlxsw_sp, local_port, 2249 false, port_mapping); 2250 } 2251 } 2252 2253 static struct mlxsw_sp_port * 2254 mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u16 local_port) 2255 { 2256 if (mlxsw_sp->ports && mlxsw_sp->ports[local_port]) 2257 return mlxsw_sp->ports[local_port]; 2258 return NULL; 2259 } 2260 2261 static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u16 local_port, 2262 unsigned int count, 2263 struct netlink_ext_ack *extack) 2264 { 2265 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 2266 struct mlxsw_sp_port_mapping port_mapping; 2267 struct mlxsw_sp_port *mlxsw_sp_port; 2268 enum mlxsw_reg_pmtdb_status status; 2269 char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; 2270 int i; 2271 int err; 2272 2273 mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); 2274 if (!mlxsw_sp_port) { 2275 dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", 2276 local_port); 2277 NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); 2278 return -EINVAL; 2279 } 2280 2281 if (mlxsw_sp_port->split) { 2282 NL_SET_ERR_MSG_MOD(extack, "Port is already split"); 2283 return -EINVAL; 2284 } 2285 2286 mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, 2287 mlxsw_sp_port->mapping.module, 2288 mlxsw_sp_port->mapping.module_width / count, 2289 count); 2290 err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); 2291 if (err) { 2292 NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); 2293 return err; 2294 } 2295 2296 status = mlxsw_reg_pmtdb_status_get(pmtdb_pl); 2297 if (status != MLXSW_REG_PMTDB_STATUS_SUCCESS) { 2298 NL_SET_ERR_MSG_MOD(extack, "Unsupported split configuration"); 2299 return -EINVAL; 2300 } 2301 2302 port_mapping = mlxsw_sp_port->mapping; 2303 2304 for (i = 0; i < count; i++) { 2305 u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); 2306 2307 if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) 2308 mlxsw_sp_port_remove(mlxsw_sp, s_local_port); 2309 } 2310 2311 err = mlxsw_sp_port_split_create(mlxsw_sp, &port_mapping, 2312 count, pmtdb_pl); 2313 if (err) { 2314 dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n"); 2315 goto err_port_split_create; 2316 } 2317 2318 return 0; 2319 2320 err_port_split_create: 2321 mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); 2322 2323 return err; 2324 } 2325 2326 static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u16 local_port, 2327 struct netlink_ext_ack *extack) 2328 { 2329 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 2330 struct mlxsw_sp_port *mlxsw_sp_port; 2331 char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; 2332 unsigned int count; 2333 int i; 2334 int err; 2335 2336 mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); 2337 if (!mlxsw_sp_port) { 2338 dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", 2339 local_port); 2340 NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); 2341 return -EINVAL; 2342 } 2343 2344 if (!mlxsw_sp_port->split) { 2345 NL_SET_ERR_MSG_MOD(extack, "Port was not split"); 2346 return -EINVAL; 2347 } 2348 2349 count = mlxsw_sp_port->mapping.module_width / 2350 mlxsw_sp_port->mapping.width; 2351 2352 mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, 2353 mlxsw_sp_port->mapping.module, 2354 mlxsw_sp_port->mapping.module_width / count, 2355 count); 2356 err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); 2357 if (err) { 2358 NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); 2359 return err; 2360 } 2361 2362 for (i = 0; i < count; i++) { 2363 u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); 2364 2365 if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) 2366 mlxsw_sp_port_remove(mlxsw_sp, s_local_port); 2367 } 2368 2369 mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); 2370 2371 return 0; 2372 } 2373 2374 static void 2375 mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port) 2376 { 2377 int i; 2378 2379 for (i = 0; i < TC_MAX_QUEUE; i++) 2380 mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0; 2381 } 2382 2383 static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, 2384 char *pude_pl, void *priv) 2385 { 2386 struct mlxsw_sp *mlxsw_sp = priv; 2387 struct mlxsw_sp_port *mlxsw_sp_port; 2388 enum mlxsw_reg_pude_oper_status status; 2389 u16 local_port; 2390 2391 local_port = mlxsw_reg_pude_local_port_get(pude_pl); 2392 2393 if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) 2394 return; 2395 mlxsw_sp_port = mlxsw_sp->ports[local_port]; 2396 if (!mlxsw_sp_port) 2397 return; 2398 2399 status = mlxsw_reg_pude_oper_status_get(pude_pl); 2400 if (status == MLXSW_PORT_OPER_STATUS_UP) { 2401 netdev_info(mlxsw_sp_port->dev, "link up\n"); 2402 netif_carrier_on(mlxsw_sp_port->dev); 2403 mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0); 2404 } else { 2405 netdev_info(mlxsw_sp_port->dev, "link down\n"); 2406 netif_carrier_off(mlxsw_sp_port->dev); 2407 mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port); 2408 } 2409 } 2410 2411 static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp, 2412 char *mtpptr_pl, bool ingress) 2413 { 2414 u16 local_port; 2415 u8 num_rec; 2416 int i; 2417 2418 local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl); 2419 num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl); 2420 for (i = 0; i < num_rec; i++) { 2421 u8 domain_number; 2422 u8 message_type; 2423 u16 sequence_id; 2424 u64 timestamp; 2425 2426 mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type, 2427 &domain_number, &sequence_id, 2428 ×tamp); 2429 mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port, 2430 message_type, domain_number, 2431 sequence_id, timestamp); 2432 } 2433 } 2434 2435 static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg, 2436 char *mtpptr_pl, void *priv) 2437 { 2438 struct mlxsw_sp *mlxsw_sp = priv; 2439 2440 mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true); 2441 } 2442 2443 static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg, 2444 char *mtpptr_pl, void *priv) 2445 { 2446 struct mlxsw_sp *mlxsw_sp = priv; 2447 2448 mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false); 2449 } 2450 2451 void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, 2452 u16 local_port, void *priv) 2453 { 2454 struct mlxsw_sp *mlxsw_sp = priv; 2455 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; 2456 struct mlxsw_sp_port_pcpu_stats *pcpu_stats; 2457 2458 if (unlikely(!mlxsw_sp_port)) { 2459 dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n", 2460 local_port); 2461 return; 2462 } 2463 2464 skb->dev = mlxsw_sp_port->dev; 2465 2466 pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); 2467 u64_stats_update_begin(&pcpu_stats->syncp); 2468 pcpu_stats->rx_packets++; 2469 pcpu_stats->rx_bytes += skb->len; 2470 u64_stats_update_end(&pcpu_stats->syncp); 2471 2472 skb->protocol = eth_type_trans(skb, skb->dev); 2473 netif_receive_skb(skb); 2474 } 2475 2476 static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u16 local_port, 2477 void *priv) 2478 { 2479 skb->offload_fwd_mark = 1; 2480 return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); 2481 } 2482 2483 static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb, 2484 u16 local_port, void *priv) 2485 { 2486 skb->offload_l3_fwd_mark = 1; 2487 skb->offload_fwd_mark = 1; 2488 return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); 2489 } 2490 2491 void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, 2492 u16 local_port) 2493 { 2494 mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port); 2495 } 2496 2497 #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ 2498 MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \ 2499 _is_ctrl, SP_##_trap_group, DISCARD) 2500 2501 #define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ 2502 MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \ 2503 _is_ctrl, SP_##_trap_group, DISCARD) 2504 2505 #define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ 2506 MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \ 2507 _is_ctrl, SP_##_trap_group, DISCARD) 2508 2509 #define MLXSW_SP_EVENTL(_func, _trap_id) \ 2510 MLXSW_EVENTL(_func, _trap_id, SP_EVENT) 2511 2512 static const struct mlxsw_listener mlxsw_sp_listener[] = { 2513 /* Events */ 2514 MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE), 2515 /* L2 traps */ 2516 MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, FID_MISS, false), 2517 /* L3 traps */ 2518 MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP, 2519 false), 2520 MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false), 2521 MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, 2522 false), 2523 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD, 2524 ROUTER_EXP, false), 2525 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD, 2526 ROUTER_EXP, false), 2527 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD, 2528 ROUTER_EXP, false), 2529 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD, 2530 ROUTER_EXP, false), 2531 /* Multicast Router Traps */ 2532 MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false), 2533 MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false), 2534 /* NVE traps */ 2535 MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, NEIGH_DISCOVERY, false), 2536 }; 2537 2538 static const struct mlxsw_listener mlxsw_sp1_listener[] = { 2539 /* Events */ 2540 MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0), 2541 MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0), 2542 }; 2543 2544 static const struct mlxsw_listener mlxsw_sp2_listener[] = { 2545 /* Events */ 2546 MLXSW_SP_EVENTL(mlxsw_sp_port_mapping_listener_func, PMLPE), 2547 }; 2548 2549 static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) 2550 { 2551 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 2552 char qpcr_pl[MLXSW_REG_QPCR_LEN]; 2553 enum mlxsw_reg_qpcr_ir_units ir_units; 2554 int max_cpu_policers; 2555 bool is_bytes; 2556 u8 burst_size; 2557 u32 rate; 2558 int i, err; 2559 2560 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS)) 2561 return -EIO; 2562 2563 max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); 2564 2565 ir_units = MLXSW_REG_QPCR_IR_UNITS_M; 2566 for (i = 0; i < max_cpu_policers; i++) { 2567 is_bytes = false; 2568 switch (i) { 2569 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: 2570 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: 2571 case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: 2572 rate = 1024; 2573 burst_size = 7; 2574 break; 2575 default: 2576 continue; 2577 } 2578 2579 __set_bit(i, mlxsw_sp->trap->policers_usage); 2580 mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate, 2581 burst_size); 2582 err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl); 2583 if (err) 2584 return err; 2585 } 2586 2587 return 0; 2588 } 2589 2590 static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) 2591 { 2592 char htgt_pl[MLXSW_REG_HTGT_LEN]; 2593 enum mlxsw_reg_htgt_trap_group i; 2594 int max_cpu_policers; 2595 int max_trap_groups; 2596 u8 priority, tc; 2597 u16 policer_id; 2598 int err; 2599 2600 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS)) 2601 return -EIO; 2602 2603 max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS); 2604 max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); 2605 2606 for (i = 0; i < max_trap_groups; i++) { 2607 policer_id = i; 2608 switch (i) { 2609 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: 2610 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: 2611 case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: 2612 priority = 1; 2613 tc = 1; 2614 break; 2615 case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT: 2616 priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY; 2617 tc = MLXSW_REG_HTGT_DEFAULT_TC; 2618 policer_id = MLXSW_REG_HTGT_INVALID_POLICER; 2619 break; 2620 default: 2621 continue; 2622 } 2623 2624 if (max_cpu_policers <= policer_id && 2625 policer_id != MLXSW_REG_HTGT_INVALID_POLICER) 2626 return -EIO; 2627 2628 mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc); 2629 err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); 2630 if (err) 2631 return err; 2632 } 2633 2634 return 0; 2635 } 2636 2637 static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) 2638 { 2639 struct mlxsw_sp_trap *trap; 2640 u64 max_policers; 2641 int err; 2642 2643 if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS)) 2644 return -EIO; 2645 max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS); 2646 trap = kzalloc(struct_size(trap, policers_usage, 2647 BITS_TO_LONGS(max_policers)), GFP_KERNEL); 2648 if (!trap) 2649 return -ENOMEM; 2650 trap->max_policers = max_policers; 2651 mlxsw_sp->trap = trap; 2652 2653 err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core); 2654 if (err) 2655 goto err_cpu_policers_set; 2656 2657 err = mlxsw_sp_trap_groups_set(mlxsw_sp->core); 2658 if (err) 2659 goto err_trap_groups_set; 2660 2661 err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp_listener, 2662 ARRAY_SIZE(mlxsw_sp_listener), 2663 mlxsw_sp); 2664 if (err) 2665 goto err_traps_register; 2666 2667 err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp->listeners, 2668 mlxsw_sp->listeners_count, mlxsw_sp); 2669 if (err) 2670 goto err_extra_traps_init; 2671 2672 return 0; 2673 2674 err_extra_traps_init: 2675 mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, 2676 ARRAY_SIZE(mlxsw_sp_listener), 2677 mlxsw_sp); 2678 err_traps_register: 2679 err_trap_groups_set: 2680 err_cpu_policers_set: 2681 kfree(trap); 2682 return err; 2683 } 2684 2685 static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) 2686 { 2687 mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp->listeners, 2688 mlxsw_sp->listeners_count, 2689 mlxsw_sp); 2690 mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, 2691 ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp); 2692 kfree(mlxsw_sp->trap); 2693 } 2694 2695 #define MLXSW_SP_LAG_SEED_INIT 0xcafecafe 2696 2697 static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) 2698 { 2699 char slcr_pl[MLXSW_REG_SLCR_LEN]; 2700 u16 max_lag; 2701 u32 seed; 2702 int err; 2703 2704 seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac), 2705 MLXSW_SP_LAG_SEED_INIT); 2706 mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | 2707 MLXSW_REG_SLCR_LAG_HASH_DMAC | 2708 MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | 2709 MLXSW_REG_SLCR_LAG_HASH_VLANID | 2710 MLXSW_REG_SLCR_LAG_HASH_SIP | 2711 MLXSW_REG_SLCR_LAG_HASH_DIP | 2712 MLXSW_REG_SLCR_LAG_HASH_SPORT | 2713 MLXSW_REG_SLCR_LAG_HASH_DPORT | 2714 MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed); 2715 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); 2716 if (err) 2717 return err; 2718 2719 err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); 2720 if (err) 2721 return err; 2722 2723 if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) 2724 return -EIO; 2725 2726 mlxsw_sp->lags = kcalloc(max_lag, sizeof(struct mlxsw_sp_upper), 2727 GFP_KERNEL); 2728 if (!mlxsw_sp->lags) 2729 return -ENOMEM; 2730 2731 return 0; 2732 } 2733 2734 static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp) 2735 { 2736 kfree(mlxsw_sp->lags); 2737 } 2738 2739 static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = { 2740 .clock_init = mlxsw_sp1_ptp_clock_init, 2741 .clock_fini = mlxsw_sp1_ptp_clock_fini, 2742 .init = mlxsw_sp1_ptp_init, 2743 .fini = mlxsw_sp1_ptp_fini, 2744 .receive = mlxsw_sp1_ptp_receive, 2745 .transmitted = mlxsw_sp1_ptp_transmitted, 2746 .hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get, 2747 .hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set, 2748 .shaper_work = mlxsw_sp1_ptp_shaper_work, 2749 .get_ts_info = mlxsw_sp1_ptp_get_ts_info, 2750 .get_stats_count = mlxsw_sp1_get_stats_count, 2751 .get_stats_strings = mlxsw_sp1_get_stats_strings, 2752 .get_stats = mlxsw_sp1_get_stats, 2753 .txhdr_construct = mlxsw_sp_ptp_txhdr_construct, 2754 }; 2755 2756 static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = { 2757 .clock_init = mlxsw_sp2_ptp_clock_init, 2758 .clock_fini = mlxsw_sp2_ptp_clock_fini, 2759 .init = mlxsw_sp2_ptp_init, 2760 .fini = mlxsw_sp2_ptp_fini, 2761 .receive = mlxsw_sp2_ptp_receive, 2762 .transmitted = mlxsw_sp2_ptp_transmitted, 2763 .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, 2764 .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, 2765 .shaper_work = mlxsw_sp2_ptp_shaper_work, 2766 .get_ts_info = mlxsw_sp2_ptp_get_ts_info, 2767 .get_stats_count = mlxsw_sp2_get_stats_count, 2768 .get_stats_strings = mlxsw_sp2_get_stats_strings, 2769 .get_stats = mlxsw_sp2_get_stats, 2770 .txhdr_construct = mlxsw_sp2_ptp_txhdr_construct, 2771 }; 2772 2773 static const struct mlxsw_sp_ptp_ops mlxsw_sp4_ptp_ops = { 2774 .clock_init = mlxsw_sp2_ptp_clock_init, 2775 .clock_fini = mlxsw_sp2_ptp_clock_fini, 2776 .init = mlxsw_sp2_ptp_init, 2777 .fini = mlxsw_sp2_ptp_fini, 2778 .receive = mlxsw_sp2_ptp_receive, 2779 .transmitted = mlxsw_sp2_ptp_transmitted, 2780 .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, 2781 .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, 2782 .shaper_work = mlxsw_sp2_ptp_shaper_work, 2783 .get_ts_info = mlxsw_sp2_ptp_get_ts_info, 2784 .get_stats_count = mlxsw_sp2_get_stats_count, 2785 .get_stats_strings = mlxsw_sp2_get_stats_strings, 2786 .get_stats = mlxsw_sp2_get_stats, 2787 .txhdr_construct = mlxsw_sp_ptp_txhdr_construct, 2788 }; 2789 2790 struct mlxsw_sp_sample_trigger_node { 2791 struct mlxsw_sp_sample_trigger trigger; 2792 struct mlxsw_sp_sample_params params; 2793 struct rhash_head ht_node; 2794 struct rcu_head rcu; 2795 refcount_t refcount; 2796 }; 2797 2798 static const struct rhashtable_params mlxsw_sp_sample_trigger_ht_params = { 2799 .key_offset = offsetof(struct mlxsw_sp_sample_trigger_node, trigger), 2800 .head_offset = offsetof(struct mlxsw_sp_sample_trigger_node, ht_node), 2801 .key_len = sizeof(struct mlxsw_sp_sample_trigger), 2802 .automatic_shrinking = true, 2803 }; 2804 2805 static void 2806 mlxsw_sp_sample_trigger_key_init(struct mlxsw_sp_sample_trigger *key, 2807 const struct mlxsw_sp_sample_trigger *trigger) 2808 { 2809 memset(key, 0, sizeof(*key)); 2810 key->type = trigger->type; 2811 key->local_port = trigger->local_port; 2812 } 2813 2814 /* RCU read lock must be held */ 2815 struct mlxsw_sp_sample_params * 2816 mlxsw_sp_sample_trigger_params_lookup(struct mlxsw_sp *mlxsw_sp, 2817 const struct mlxsw_sp_sample_trigger *trigger) 2818 { 2819 struct mlxsw_sp_sample_trigger_node *trigger_node; 2820 struct mlxsw_sp_sample_trigger key; 2821 2822 mlxsw_sp_sample_trigger_key_init(&key, trigger); 2823 trigger_node = rhashtable_lookup(&mlxsw_sp->sample_trigger_ht, &key, 2824 mlxsw_sp_sample_trigger_ht_params); 2825 if (!trigger_node) 2826 return NULL; 2827 2828 return &trigger_node->params; 2829 } 2830 2831 static int 2832 mlxsw_sp_sample_trigger_node_init(struct mlxsw_sp *mlxsw_sp, 2833 const struct mlxsw_sp_sample_trigger *trigger, 2834 const struct mlxsw_sp_sample_params *params) 2835 { 2836 struct mlxsw_sp_sample_trigger_node *trigger_node; 2837 int err; 2838 2839 trigger_node = kzalloc(sizeof(*trigger_node), GFP_KERNEL); 2840 if (!trigger_node) 2841 return -ENOMEM; 2842 2843 trigger_node->trigger = *trigger; 2844 trigger_node->params = *params; 2845 refcount_set(&trigger_node->refcount, 1); 2846 2847 err = rhashtable_insert_fast(&mlxsw_sp->sample_trigger_ht, 2848 &trigger_node->ht_node, 2849 mlxsw_sp_sample_trigger_ht_params); 2850 if (err) 2851 goto err_rhashtable_insert; 2852 2853 return 0; 2854 2855 err_rhashtable_insert: 2856 kfree(trigger_node); 2857 return err; 2858 } 2859 2860 static void 2861 mlxsw_sp_sample_trigger_node_fini(struct mlxsw_sp *mlxsw_sp, 2862 struct mlxsw_sp_sample_trigger_node *trigger_node) 2863 { 2864 rhashtable_remove_fast(&mlxsw_sp->sample_trigger_ht, 2865 &trigger_node->ht_node, 2866 mlxsw_sp_sample_trigger_ht_params); 2867 kfree_rcu(trigger_node, rcu); 2868 } 2869 2870 int 2871 mlxsw_sp_sample_trigger_params_set(struct mlxsw_sp *mlxsw_sp, 2872 const struct mlxsw_sp_sample_trigger *trigger, 2873 const struct mlxsw_sp_sample_params *params, 2874 struct netlink_ext_ack *extack) 2875 { 2876 struct mlxsw_sp_sample_trigger_node *trigger_node; 2877 struct mlxsw_sp_sample_trigger key; 2878 2879 ASSERT_RTNL(); 2880 2881 mlxsw_sp_sample_trigger_key_init(&key, trigger); 2882 2883 trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, 2884 &key, 2885 mlxsw_sp_sample_trigger_ht_params); 2886 if (!trigger_node) 2887 return mlxsw_sp_sample_trigger_node_init(mlxsw_sp, &key, 2888 params); 2889 2890 if (trigger_node->trigger.local_port) { 2891 NL_SET_ERR_MSG_MOD(extack, "Sampling already enabled on port"); 2892 return -EINVAL; 2893 } 2894 2895 if (trigger_node->params.psample_group != params->psample_group || 2896 trigger_node->params.truncate != params->truncate || 2897 trigger_node->params.rate != params->rate || 2898 trigger_node->params.trunc_size != params->trunc_size) { 2899 NL_SET_ERR_MSG_MOD(extack, "Sampling parameters do not match for an existing sampling trigger"); 2900 return -EINVAL; 2901 } 2902 2903 refcount_inc(&trigger_node->refcount); 2904 2905 return 0; 2906 } 2907 2908 void 2909 mlxsw_sp_sample_trigger_params_unset(struct mlxsw_sp *mlxsw_sp, 2910 const struct mlxsw_sp_sample_trigger *trigger) 2911 { 2912 struct mlxsw_sp_sample_trigger_node *trigger_node; 2913 struct mlxsw_sp_sample_trigger key; 2914 2915 ASSERT_RTNL(); 2916 2917 mlxsw_sp_sample_trigger_key_init(&key, trigger); 2918 2919 trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, 2920 &key, 2921 mlxsw_sp_sample_trigger_ht_params); 2922 if (!trigger_node) 2923 return; 2924 2925 if (!refcount_dec_and_test(&trigger_node->refcount)) 2926 return; 2927 2928 mlxsw_sp_sample_trigger_node_fini(mlxsw_sp, trigger_node); 2929 } 2930 2931 static int mlxsw_sp_netdevice_event(struct notifier_block *unused, 2932 unsigned long event, void *ptr); 2933 2934 #define MLXSW_SP_DEFAULT_PARSING_DEPTH 96 2935 #define MLXSW_SP_INCREASED_PARSING_DEPTH 128 2936 #define MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT 4789 2937 2938 static void mlxsw_sp_parsing_init(struct mlxsw_sp *mlxsw_sp) 2939 { 2940 refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 0); 2941 mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; 2942 mlxsw_sp->parsing.vxlan_udp_dport = MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT; 2943 mutex_init(&mlxsw_sp->parsing.lock); 2944 } 2945 2946 static void mlxsw_sp_parsing_fini(struct mlxsw_sp *mlxsw_sp) 2947 { 2948 mutex_destroy(&mlxsw_sp->parsing.lock); 2949 WARN_ON_ONCE(refcount_read(&mlxsw_sp->parsing.parsing_depth_ref)); 2950 } 2951 2952 struct mlxsw_sp_ipv6_addr_node { 2953 struct in6_addr key; 2954 struct rhash_head ht_node; 2955 u32 kvdl_index; 2956 refcount_t refcount; 2957 }; 2958 2959 static const struct rhashtable_params mlxsw_sp_ipv6_addr_ht_params = { 2960 .key_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, key), 2961 .head_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, ht_node), 2962 .key_len = sizeof(struct in6_addr), 2963 .automatic_shrinking = true, 2964 }; 2965 2966 static int 2967 mlxsw_sp_ipv6_addr_init(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6, 2968 u32 *p_kvdl_index) 2969 { 2970 struct mlxsw_sp_ipv6_addr_node *node; 2971 char rips_pl[MLXSW_REG_RIPS_LEN]; 2972 int err; 2973 2974 err = mlxsw_sp_kvdl_alloc(mlxsw_sp, 2975 MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, 2976 p_kvdl_index); 2977 if (err) 2978 return err; 2979 2980 mlxsw_reg_rips_pack(rips_pl, *p_kvdl_index, addr6); 2981 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rips), rips_pl); 2982 if (err) 2983 goto err_rips_write; 2984 2985 node = kzalloc(sizeof(*node), GFP_KERNEL); 2986 if (!node) { 2987 err = -ENOMEM; 2988 goto err_node_alloc; 2989 } 2990 2991 node->key = *addr6; 2992 node->kvdl_index = *p_kvdl_index; 2993 refcount_set(&node->refcount, 1); 2994 2995 err = rhashtable_insert_fast(&mlxsw_sp->ipv6_addr_ht, 2996 &node->ht_node, 2997 mlxsw_sp_ipv6_addr_ht_params); 2998 if (err) 2999 goto err_rhashtable_insert; 3000 3001 return 0; 3002 3003 err_rhashtable_insert: 3004 kfree(node); 3005 err_node_alloc: 3006 err_rips_write: 3007 mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, 3008 *p_kvdl_index); 3009 return err; 3010 } 3011 3012 static void mlxsw_sp_ipv6_addr_fini(struct mlxsw_sp *mlxsw_sp, 3013 struct mlxsw_sp_ipv6_addr_node *node) 3014 { 3015 u32 kvdl_index = node->kvdl_index; 3016 3017 rhashtable_remove_fast(&mlxsw_sp->ipv6_addr_ht, &node->ht_node, 3018 mlxsw_sp_ipv6_addr_ht_params); 3019 kfree(node); 3020 mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, 3021 kvdl_index); 3022 } 3023 3024 int mlxsw_sp_ipv6_addr_kvdl_index_get(struct mlxsw_sp *mlxsw_sp, 3025 const struct in6_addr *addr6, 3026 u32 *p_kvdl_index) 3027 { 3028 struct mlxsw_sp_ipv6_addr_node *node; 3029 int err = 0; 3030 3031 mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); 3032 node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, 3033 mlxsw_sp_ipv6_addr_ht_params); 3034 if (node) { 3035 refcount_inc(&node->refcount); 3036 *p_kvdl_index = node->kvdl_index; 3037 goto out_unlock; 3038 } 3039 3040 err = mlxsw_sp_ipv6_addr_init(mlxsw_sp, addr6, p_kvdl_index); 3041 3042 out_unlock: 3043 mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); 3044 return err; 3045 } 3046 3047 void 3048 mlxsw_sp_ipv6_addr_put(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6) 3049 { 3050 struct mlxsw_sp_ipv6_addr_node *node; 3051 3052 mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); 3053 node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, 3054 mlxsw_sp_ipv6_addr_ht_params); 3055 if (WARN_ON(!node)) 3056 goto out_unlock; 3057 3058 if (!refcount_dec_and_test(&node->refcount)) 3059 goto out_unlock; 3060 3061 mlxsw_sp_ipv6_addr_fini(mlxsw_sp, node); 3062 3063 out_unlock: 3064 mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); 3065 } 3066 3067 static int mlxsw_sp_ipv6_addr_ht_init(struct mlxsw_sp *mlxsw_sp) 3068 { 3069 int err; 3070 3071 err = rhashtable_init(&mlxsw_sp->ipv6_addr_ht, 3072 &mlxsw_sp_ipv6_addr_ht_params); 3073 if (err) 3074 return err; 3075 3076 mutex_init(&mlxsw_sp->ipv6_addr_ht_lock); 3077 return 0; 3078 } 3079 3080 static void mlxsw_sp_ipv6_addr_ht_fini(struct mlxsw_sp *mlxsw_sp) 3081 { 3082 mutex_destroy(&mlxsw_sp->ipv6_addr_ht_lock); 3083 rhashtable_destroy(&mlxsw_sp->ipv6_addr_ht); 3084 } 3085 3086 static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, 3087 const struct mlxsw_bus_info *mlxsw_bus_info, 3088 struct netlink_ext_ack *extack) 3089 { 3090 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3091 int err; 3092 3093 mlxsw_sp->core = mlxsw_core; 3094 mlxsw_sp->bus_info = mlxsw_bus_info; 3095 3096 mlxsw_sp_parsing_init(mlxsw_sp); 3097 3098 err = mlxsw_sp_base_mac_get(mlxsw_sp); 3099 if (err) { 3100 dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); 3101 return err; 3102 } 3103 3104 err = mlxsw_sp_kvdl_init(mlxsw_sp); 3105 if (err) { 3106 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n"); 3107 return err; 3108 } 3109 3110 err = mlxsw_sp_pgt_init(mlxsw_sp); 3111 if (err) { 3112 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PGT\n"); 3113 goto err_pgt_init; 3114 } 3115 3116 err = mlxsw_sp_fids_init(mlxsw_sp); 3117 if (err) { 3118 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n"); 3119 goto err_fids_init; 3120 } 3121 3122 err = mlxsw_sp_policers_init(mlxsw_sp); 3123 if (err) { 3124 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize policers\n"); 3125 goto err_policers_init; 3126 } 3127 3128 err = mlxsw_sp_traps_init(mlxsw_sp); 3129 if (err) { 3130 dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n"); 3131 goto err_traps_init; 3132 } 3133 3134 err = mlxsw_sp_devlink_traps_init(mlxsw_sp); 3135 if (err) { 3136 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n"); 3137 goto err_devlink_traps_init; 3138 } 3139 3140 err = mlxsw_sp_buffers_init(mlxsw_sp); 3141 if (err) { 3142 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); 3143 goto err_buffers_init; 3144 } 3145 3146 err = mlxsw_sp_lag_init(mlxsw_sp); 3147 if (err) { 3148 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); 3149 goto err_lag_init; 3150 } 3151 3152 /* Initialize SPAN before router and switchdev, so that those components 3153 * can call mlxsw_sp_span_respin(). 3154 */ 3155 err = mlxsw_sp_span_init(mlxsw_sp); 3156 if (err) { 3157 dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); 3158 goto err_span_init; 3159 } 3160 3161 err = mlxsw_sp_switchdev_init(mlxsw_sp); 3162 if (err) { 3163 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n"); 3164 goto err_switchdev_init; 3165 } 3166 3167 err = mlxsw_sp_counter_pool_init(mlxsw_sp); 3168 if (err) { 3169 dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n"); 3170 goto err_counter_pool_init; 3171 } 3172 3173 err = mlxsw_sp_afa_init(mlxsw_sp); 3174 if (err) { 3175 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n"); 3176 goto err_afa_init; 3177 } 3178 3179 err = mlxsw_sp_ipv6_addr_ht_init(mlxsw_sp); 3180 if (err) { 3181 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize hash table for IPv6 addresses\n"); 3182 goto err_ipv6_addr_ht_init; 3183 } 3184 3185 err = mlxsw_sp_nve_init(mlxsw_sp); 3186 if (err) { 3187 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n"); 3188 goto err_nve_init; 3189 } 3190 3191 err = mlxsw_sp_acl_init(mlxsw_sp); 3192 if (err) { 3193 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n"); 3194 goto err_acl_init; 3195 } 3196 3197 err = mlxsw_sp_router_init(mlxsw_sp, extack); 3198 if (err) { 3199 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); 3200 goto err_router_init; 3201 } 3202 3203 if (mlxsw_sp->bus_info->read_clock_capable) { 3204 /* NULL is a valid return value from clock_init */ 3205 mlxsw_sp->clock = 3206 mlxsw_sp->ptp_ops->clock_init(mlxsw_sp, 3207 mlxsw_sp->bus_info->dev); 3208 if (IS_ERR(mlxsw_sp->clock)) { 3209 err = PTR_ERR(mlxsw_sp->clock); 3210 dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n"); 3211 goto err_ptp_clock_init; 3212 } 3213 } 3214 3215 if (mlxsw_sp->clock) { 3216 /* NULL is a valid return value from ptp_ops->init */ 3217 mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp); 3218 if (IS_ERR(mlxsw_sp->ptp_state)) { 3219 err = PTR_ERR(mlxsw_sp->ptp_state); 3220 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n"); 3221 goto err_ptp_init; 3222 } 3223 } 3224 3225 /* Initialize netdevice notifier after SPAN is initialized, so that the 3226 * event handler can call SPAN respin. 3227 */ 3228 mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event; 3229 err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), 3230 &mlxsw_sp->netdevice_nb); 3231 if (err) { 3232 dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n"); 3233 goto err_netdev_notifier; 3234 } 3235 3236 err = mlxsw_sp_dpipe_init(mlxsw_sp); 3237 if (err) { 3238 dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n"); 3239 goto err_dpipe_init; 3240 } 3241 3242 err = mlxsw_sp_port_module_info_init(mlxsw_sp); 3243 if (err) { 3244 dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n"); 3245 goto err_port_module_info_init; 3246 } 3247 3248 err = rhashtable_init(&mlxsw_sp->sample_trigger_ht, 3249 &mlxsw_sp_sample_trigger_ht_params); 3250 if (err) { 3251 dev_err(mlxsw_sp->bus_info->dev, "Failed to init sampling trigger hashtable\n"); 3252 goto err_sample_trigger_init; 3253 } 3254 3255 err = mlxsw_sp_ports_create(mlxsw_sp); 3256 if (err) { 3257 dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); 3258 goto err_ports_create; 3259 } 3260 3261 return 0; 3262 3263 err_ports_create: 3264 rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); 3265 err_sample_trigger_init: 3266 mlxsw_sp_port_module_info_fini(mlxsw_sp); 3267 err_port_module_info_init: 3268 mlxsw_sp_dpipe_fini(mlxsw_sp); 3269 err_dpipe_init: 3270 unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), 3271 &mlxsw_sp->netdevice_nb); 3272 err_netdev_notifier: 3273 if (mlxsw_sp->clock) 3274 mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); 3275 err_ptp_init: 3276 if (mlxsw_sp->clock) 3277 mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); 3278 err_ptp_clock_init: 3279 mlxsw_sp_router_fini(mlxsw_sp); 3280 err_router_init: 3281 mlxsw_sp_acl_fini(mlxsw_sp); 3282 err_acl_init: 3283 mlxsw_sp_nve_fini(mlxsw_sp); 3284 err_nve_init: 3285 mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); 3286 err_ipv6_addr_ht_init: 3287 mlxsw_sp_afa_fini(mlxsw_sp); 3288 err_afa_init: 3289 mlxsw_sp_counter_pool_fini(mlxsw_sp); 3290 err_counter_pool_init: 3291 mlxsw_sp_switchdev_fini(mlxsw_sp); 3292 err_switchdev_init: 3293 mlxsw_sp_span_fini(mlxsw_sp); 3294 err_span_init: 3295 mlxsw_sp_lag_fini(mlxsw_sp); 3296 err_lag_init: 3297 mlxsw_sp_buffers_fini(mlxsw_sp); 3298 err_buffers_init: 3299 mlxsw_sp_devlink_traps_fini(mlxsw_sp); 3300 err_devlink_traps_init: 3301 mlxsw_sp_traps_fini(mlxsw_sp); 3302 err_traps_init: 3303 mlxsw_sp_policers_fini(mlxsw_sp); 3304 err_policers_init: 3305 mlxsw_sp_fids_fini(mlxsw_sp); 3306 err_fids_init: 3307 mlxsw_sp_pgt_fini(mlxsw_sp); 3308 err_pgt_init: 3309 mlxsw_sp_kvdl_fini(mlxsw_sp); 3310 mlxsw_sp_parsing_fini(mlxsw_sp); 3311 return err; 3312 } 3313 3314 static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core, 3315 const struct mlxsw_bus_info *mlxsw_bus_info, 3316 struct netlink_ext_ack *extack) 3317 { 3318 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3319 3320 mlxsw_sp->switchdev_ops = &mlxsw_sp1_switchdev_ops; 3321 mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops; 3322 mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops; 3323 mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops; 3324 mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops; 3325 mlxsw_sp->acl_rulei_ops = &mlxsw_sp1_acl_rulei_ops; 3326 mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops; 3327 mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr; 3328 mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask; 3329 mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals; 3330 mlxsw_sp->sb_ops = &mlxsw_sp1_sb_ops; 3331 mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops; 3332 mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops; 3333 mlxsw_sp->span_ops = &mlxsw_sp1_span_ops; 3334 mlxsw_sp->policer_core_ops = &mlxsw_sp1_policer_core_ops; 3335 mlxsw_sp->trap_ops = &mlxsw_sp1_trap_ops; 3336 mlxsw_sp->mall_ops = &mlxsw_sp1_mall_ops; 3337 mlxsw_sp->router_ops = &mlxsw_sp1_router_ops; 3338 mlxsw_sp->listeners = mlxsw_sp1_listener; 3339 mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener); 3340 mlxsw_sp->fid_family_arr = mlxsw_sp1_fid_family_arr; 3341 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1; 3342 mlxsw_sp->pgt_smpe_index_valid = true; 3343 3344 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); 3345 } 3346 3347 static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core, 3348 const struct mlxsw_bus_info *mlxsw_bus_info, 3349 struct netlink_ext_ack *extack) 3350 { 3351 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3352 3353 mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; 3354 mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; 3355 mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; 3356 mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; 3357 mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; 3358 mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; 3359 mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; 3360 mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; 3361 mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; 3362 mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; 3363 mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; 3364 mlxsw_sp->sb_ops = &mlxsw_sp2_sb_ops; 3365 mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; 3366 mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; 3367 mlxsw_sp->span_ops = &mlxsw_sp2_span_ops; 3368 mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; 3369 mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; 3370 mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; 3371 mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; 3372 mlxsw_sp->listeners = mlxsw_sp2_listener; 3373 mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); 3374 mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; 3375 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2; 3376 mlxsw_sp->pgt_smpe_index_valid = false; 3377 3378 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); 3379 } 3380 3381 static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core, 3382 const struct mlxsw_bus_info *mlxsw_bus_info, 3383 struct netlink_ext_ack *extack) 3384 { 3385 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3386 3387 mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; 3388 mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; 3389 mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; 3390 mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; 3391 mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; 3392 mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; 3393 mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; 3394 mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; 3395 mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; 3396 mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; 3397 mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; 3398 mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; 3399 mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; 3400 mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; 3401 mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; 3402 mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; 3403 mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; 3404 mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; 3405 mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; 3406 mlxsw_sp->listeners = mlxsw_sp2_listener; 3407 mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); 3408 mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; 3409 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3; 3410 mlxsw_sp->pgt_smpe_index_valid = false; 3411 3412 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); 3413 } 3414 3415 static int mlxsw_sp4_init(struct mlxsw_core *mlxsw_core, 3416 const struct mlxsw_bus_info *mlxsw_bus_info, 3417 struct netlink_ext_ack *extack) 3418 { 3419 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3420 3421 mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; 3422 mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; 3423 mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; 3424 mlxsw_sp->afk_ops = &mlxsw_sp4_afk_ops; 3425 mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; 3426 mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; 3427 mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; 3428 mlxsw_sp->acl_bf_ops = &mlxsw_sp4_acl_bf_ops; 3429 mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; 3430 mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; 3431 mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; 3432 mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; 3433 mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; 3434 mlxsw_sp->ptp_ops = &mlxsw_sp4_ptp_ops; 3435 mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; 3436 mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; 3437 mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; 3438 mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; 3439 mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; 3440 mlxsw_sp->listeners = mlxsw_sp2_listener; 3441 mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); 3442 mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; 3443 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP4; 3444 mlxsw_sp->pgt_smpe_index_valid = false; 3445 3446 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); 3447 } 3448 3449 static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) 3450 { 3451 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3452 3453 mlxsw_sp_ports_remove(mlxsw_sp); 3454 rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); 3455 mlxsw_sp_port_module_info_fini(mlxsw_sp); 3456 mlxsw_sp_dpipe_fini(mlxsw_sp); 3457 unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), 3458 &mlxsw_sp->netdevice_nb); 3459 if (mlxsw_sp->clock) { 3460 mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); 3461 mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); 3462 } 3463 mlxsw_sp_router_fini(mlxsw_sp); 3464 mlxsw_sp_acl_fini(mlxsw_sp); 3465 mlxsw_sp_nve_fini(mlxsw_sp); 3466 mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); 3467 mlxsw_sp_afa_fini(mlxsw_sp); 3468 mlxsw_sp_counter_pool_fini(mlxsw_sp); 3469 mlxsw_sp_switchdev_fini(mlxsw_sp); 3470 mlxsw_sp_span_fini(mlxsw_sp); 3471 mlxsw_sp_lag_fini(mlxsw_sp); 3472 mlxsw_sp_buffers_fini(mlxsw_sp); 3473 mlxsw_sp_devlink_traps_fini(mlxsw_sp); 3474 mlxsw_sp_traps_fini(mlxsw_sp); 3475 mlxsw_sp_policers_fini(mlxsw_sp); 3476 mlxsw_sp_fids_fini(mlxsw_sp); 3477 mlxsw_sp_pgt_fini(mlxsw_sp); 3478 mlxsw_sp_kvdl_fini(mlxsw_sp); 3479 mlxsw_sp_parsing_fini(mlxsw_sp); 3480 } 3481 3482 static const struct mlxsw_config_profile mlxsw_sp1_config_profile = { 3483 .used_flood_mode = 1, 3484 .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, 3485 .used_max_ib_mc = 1, 3486 .max_ib_mc = 0, 3487 .used_max_pkey = 1, 3488 .max_pkey = 0, 3489 .used_ubridge = 1, 3490 .ubridge = 1, 3491 .used_kvd_sizes = 1, 3492 .kvd_hash_single_parts = 59, 3493 .kvd_hash_double_parts = 41, 3494 .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE, 3495 .swid_config = { 3496 { 3497 .used_type = 1, 3498 .type = MLXSW_PORT_SWID_TYPE_ETH, 3499 } 3500 }, 3501 }; 3502 3503 static const struct mlxsw_config_profile mlxsw_sp2_config_profile = { 3504 .used_flood_mode = 1, 3505 .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, 3506 .used_max_ib_mc = 1, 3507 .max_ib_mc = 0, 3508 .used_max_pkey = 1, 3509 .max_pkey = 0, 3510 .used_ubridge = 1, 3511 .ubridge = 1, 3512 .swid_config = { 3513 { 3514 .used_type = 1, 3515 .type = MLXSW_PORT_SWID_TYPE_ETH, 3516 } 3517 }, 3518 .used_cqe_time_stamp_type = 1, 3519 .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, 3520 }; 3521 3522 /* Reduce number of LAGs from full capacity (256) to the maximum supported LAGs 3523 * in Spectrum-2/3, to avoid regression in number of free entries in the PGT 3524 * table. 3525 */ 3526 #define MLXSW_SP4_CONFIG_PROFILE_MAX_LAG 128 3527 3528 static const struct mlxsw_config_profile mlxsw_sp4_config_profile = { 3529 .used_max_lag = 1, 3530 .max_lag = MLXSW_SP4_CONFIG_PROFILE_MAX_LAG, 3531 .used_flood_mode = 1, 3532 .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, 3533 .used_max_ib_mc = 1, 3534 .max_ib_mc = 0, 3535 .used_max_pkey = 1, 3536 .max_pkey = 0, 3537 .used_ubridge = 1, 3538 .ubridge = 1, 3539 .swid_config = { 3540 { 3541 .used_type = 1, 3542 .type = MLXSW_PORT_SWID_TYPE_ETH, 3543 } 3544 }, 3545 .used_cqe_time_stamp_type = 1, 3546 .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, 3547 }; 3548 3549 static void 3550 mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, 3551 struct devlink_resource_size_params *kvd_size_params, 3552 struct devlink_resource_size_params *linear_size_params, 3553 struct devlink_resource_size_params *hash_double_size_params, 3554 struct devlink_resource_size_params *hash_single_size_params) 3555 { 3556 u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core, 3557 KVD_SINGLE_MIN_SIZE); 3558 u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core, 3559 KVD_DOUBLE_MIN_SIZE); 3560 u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); 3561 u32 linear_size_min = 0; 3562 3563 devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size, 3564 MLXSW_SP_KVD_GRANULARITY, 3565 DEVLINK_RESOURCE_UNIT_ENTRY); 3566 devlink_resource_size_params_init(linear_size_params, linear_size_min, 3567 kvd_size - single_size_min - 3568 double_size_min, 3569 MLXSW_SP_KVD_GRANULARITY, 3570 DEVLINK_RESOURCE_UNIT_ENTRY); 3571 devlink_resource_size_params_init(hash_double_size_params, 3572 double_size_min, 3573 kvd_size - single_size_min - 3574 linear_size_min, 3575 MLXSW_SP_KVD_GRANULARITY, 3576 DEVLINK_RESOURCE_UNIT_ENTRY); 3577 devlink_resource_size_params_init(hash_single_size_params, 3578 single_size_min, 3579 kvd_size - double_size_min - 3580 linear_size_min, 3581 MLXSW_SP_KVD_GRANULARITY, 3582 DEVLINK_RESOURCE_UNIT_ENTRY); 3583 } 3584 3585 static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core) 3586 { 3587 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3588 struct devlink_resource_size_params hash_single_size_params; 3589 struct devlink_resource_size_params hash_double_size_params; 3590 struct devlink_resource_size_params linear_size_params; 3591 struct devlink_resource_size_params kvd_size_params; 3592 u32 kvd_size, single_size, double_size, linear_size; 3593 const struct mlxsw_config_profile *profile; 3594 int err; 3595 3596 profile = &mlxsw_sp1_config_profile; 3597 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) 3598 return -EIO; 3599 3600 mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params, 3601 &linear_size_params, 3602 &hash_double_size_params, 3603 &hash_single_size_params); 3604 3605 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); 3606 err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, 3607 kvd_size, MLXSW_SP_RESOURCE_KVD, 3608 DEVLINK_RESOURCE_ID_PARENT_TOP, 3609 &kvd_size_params); 3610 if (err) 3611 return err; 3612 3613 linear_size = profile->kvd_linear_size; 3614 err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR, 3615 linear_size, 3616 MLXSW_SP_RESOURCE_KVD_LINEAR, 3617 MLXSW_SP_RESOURCE_KVD, 3618 &linear_size_params); 3619 if (err) 3620 return err; 3621 3622 err = mlxsw_sp1_kvdl_resources_register(mlxsw_core); 3623 if (err) 3624 return err; 3625 3626 double_size = kvd_size - linear_size; 3627 double_size *= profile->kvd_hash_double_parts; 3628 double_size /= profile->kvd_hash_double_parts + 3629 profile->kvd_hash_single_parts; 3630 double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); 3631 err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE, 3632 double_size, 3633 MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, 3634 MLXSW_SP_RESOURCE_KVD, 3635 &hash_double_size_params); 3636 if (err) 3637 return err; 3638 3639 single_size = kvd_size - double_size - linear_size; 3640 err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE, 3641 single_size, 3642 MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, 3643 MLXSW_SP_RESOURCE_KVD, 3644 &hash_single_size_params); 3645 if (err) 3646 return err; 3647 3648 return 0; 3649 } 3650 3651 static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core) 3652 { 3653 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3654 struct devlink_resource_size_params kvd_size_params; 3655 u32 kvd_size; 3656 3657 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) 3658 return -EIO; 3659 3660 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); 3661 devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size, 3662 MLXSW_SP_KVD_GRANULARITY, 3663 DEVLINK_RESOURCE_UNIT_ENTRY); 3664 3665 return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, 3666 kvd_size, MLXSW_SP_RESOURCE_KVD, 3667 DEVLINK_RESOURCE_ID_PARENT_TOP, 3668 &kvd_size_params); 3669 } 3670 3671 static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core) 3672 { 3673 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3674 struct devlink_resource_size_params span_size_params; 3675 u32 max_span; 3676 3677 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN)) 3678 return -EIO; 3679 3680 max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN); 3681 devlink_resource_size_params_init(&span_size_params, max_span, max_span, 3682 1, DEVLINK_RESOURCE_UNIT_ENTRY); 3683 3684 return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN, 3685 max_span, MLXSW_SP_RESOURCE_SPAN, 3686 DEVLINK_RESOURCE_ID_PARENT_TOP, 3687 &span_size_params); 3688 } 3689 3690 static int 3691 mlxsw_sp_resources_rif_mac_profile_register(struct mlxsw_core *mlxsw_core) 3692 { 3693 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3694 struct devlink_resource_size_params size_params; 3695 u8 max_rif_mac_profiles; 3696 3697 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIF_MAC_PROFILES)) 3698 max_rif_mac_profiles = 1; 3699 else 3700 max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core, 3701 MAX_RIF_MAC_PROFILES); 3702 devlink_resource_size_params_init(&size_params, max_rif_mac_profiles, 3703 max_rif_mac_profiles, 1, 3704 DEVLINK_RESOURCE_UNIT_ENTRY); 3705 3706 return devl_resource_register(devlink, 3707 "rif_mac_profiles", 3708 max_rif_mac_profiles, 3709 MLXSW_SP_RESOURCE_RIF_MAC_PROFILES, 3710 DEVLINK_RESOURCE_ID_PARENT_TOP, 3711 &size_params); 3712 } 3713 3714 static int mlxsw_sp_resources_rifs_register(struct mlxsw_core *mlxsw_core) 3715 { 3716 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3717 struct devlink_resource_size_params size_params; 3718 u64 max_rifs; 3719 3720 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIFS)) 3721 return -EIO; 3722 3723 max_rifs = MLXSW_CORE_RES_GET(mlxsw_core, MAX_RIFS); 3724 devlink_resource_size_params_init(&size_params, max_rifs, max_rifs, 3725 1, DEVLINK_RESOURCE_UNIT_ENTRY); 3726 3727 return devl_resource_register(devlink, "rifs", max_rifs, 3728 MLXSW_SP_RESOURCE_RIFS, 3729 DEVLINK_RESOURCE_ID_PARENT_TOP, 3730 &size_params); 3731 } 3732 3733 static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core) 3734 { 3735 int err; 3736 3737 err = mlxsw_sp1_resources_kvd_register(mlxsw_core); 3738 if (err) 3739 return err; 3740 3741 err = mlxsw_sp_resources_span_register(mlxsw_core); 3742 if (err) 3743 goto err_resources_span_register; 3744 3745 err = mlxsw_sp_counter_resources_register(mlxsw_core); 3746 if (err) 3747 goto err_resources_counter_register; 3748 3749 err = mlxsw_sp_policer_resources_register(mlxsw_core); 3750 if (err) 3751 goto err_policer_resources_register; 3752 3753 err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); 3754 if (err) 3755 goto err_resources_rif_mac_profile_register; 3756 3757 err = mlxsw_sp_resources_rifs_register(mlxsw_core); 3758 if (err) 3759 goto err_resources_rifs_register; 3760 3761 return 0; 3762 3763 err_resources_rifs_register: 3764 err_resources_rif_mac_profile_register: 3765 err_policer_resources_register: 3766 err_resources_counter_register: 3767 err_resources_span_register: 3768 devl_resources_unregister(priv_to_devlink(mlxsw_core)); 3769 return err; 3770 } 3771 3772 static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core) 3773 { 3774 int err; 3775 3776 err = mlxsw_sp2_resources_kvd_register(mlxsw_core); 3777 if (err) 3778 return err; 3779 3780 err = mlxsw_sp_resources_span_register(mlxsw_core); 3781 if (err) 3782 goto err_resources_span_register; 3783 3784 err = mlxsw_sp_counter_resources_register(mlxsw_core); 3785 if (err) 3786 goto err_resources_counter_register; 3787 3788 err = mlxsw_sp_policer_resources_register(mlxsw_core); 3789 if (err) 3790 goto err_policer_resources_register; 3791 3792 err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); 3793 if (err) 3794 goto err_resources_rif_mac_profile_register; 3795 3796 err = mlxsw_sp_resources_rifs_register(mlxsw_core); 3797 if (err) 3798 goto err_resources_rifs_register; 3799 3800 return 0; 3801 3802 err_resources_rifs_register: 3803 err_resources_rif_mac_profile_register: 3804 err_policer_resources_register: 3805 err_resources_counter_register: 3806 err_resources_span_register: 3807 devl_resources_unregister(priv_to_devlink(mlxsw_core)); 3808 return err; 3809 } 3810 3811 static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 3812 const struct mlxsw_config_profile *profile, 3813 u64 *p_single_size, u64 *p_double_size, 3814 u64 *p_linear_size) 3815 { 3816 struct devlink *devlink = priv_to_devlink(mlxsw_core); 3817 u32 double_size; 3818 int err; 3819 3820 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) || 3821 !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE)) 3822 return -EIO; 3823 3824 /* The hash part is what left of the kvd without the 3825 * linear part. It is split to the single size and 3826 * double size by the parts ratio from the profile. 3827 * Both sizes must be a multiplications of the 3828 * granularity from the profile. In case the user 3829 * provided the sizes they are obtained via devlink. 3830 */ 3831 err = devl_resource_size_get(devlink, 3832 MLXSW_SP_RESOURCE_KVD_LINEAR, 3833 p_linear_size); 3834 if (err) 3835 *p_linear_size = profile->kvd_linear_size; 3836 3837 err = devl_resource_size_get(devlink, 3838 MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, 3839 p_double_size); 3840 if (err) { 3841 double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - 3842 *p_linear_size; 3843 double_size *= profile->kvd_hash_double_parts; 3844 double_size /= profile->kvd_hash_double_parts + 3845 profile->kvd_hash_single_parts; 3846 *p_double_size = rounddown(double_size, 3847 MLXSW_SP_KVD_GRANULARITY); 3848 } 3849 3850 err = devl_resource_size_get(devlink, 3851 MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, 3852 p_single_size); 3853 if (err) 3854 *p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - 3855 *p_double_size - *p_linear_size; 3856 3857 /* Check results are legal. */ 3858 if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) || 3859 *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) || 3860 MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size) 3861 return -EIO; 3862 3863 return 0; 3864 } 3865 3866 static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core, 3867 struct sk_buff *skb, u16 local_port) 3868 { 3869 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); 3870 3871 skb_pull(skb, MLXSW_TXHDR_LEN); 3872 mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port); 3873 } 3874 3875 static struct mlxsw_driver mlxsw_sp1_driver = { 3876 .kind = mlxsw_sp1_driver_name, 3877 .priv_size = sizeof(struct mlxsw_sp), 3878 .fw_req_rev = &mlxsw_sp1_fw_rev, 3879 .fw_filename = MLXSW_SP1_FW_FILENAME, 3880 .init = mlxsw_sp1_init, 3881 .fini = mlxsw_sp_fini, 3882 .port_split = mlxsw_sp_port_split, 3883 .port_unsplit = mlxsw_sp_port_unsplit, 3884 .sb_pool_get = mlxsw_sp_sb_pool_get, 3885 .sb_pool_set = mlxsw_sp_sb_pool_set, 3886 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, 3887 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, 3888 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, 3889 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, 3890 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, 3891 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, 3892 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, 3893 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, 3894 .trap_init = mlxsw_sp_trap_init, 3895 .trap_fini = mlxsw_sp_trap_fini, 3896 .trap_action_set = mlxsw_sp_trap_action_set, 3897 .trap_group_init = mlxsw_sp_trap_group_init, 3898 .trap_group_set = mlxsw_sp_trap_group_set, 3899 .trap_policer_init = mlxsw_sp_trap_policer_init, 3900 .trap_policer_fini = mlxsw_sp_trap_policer_fini, 3901 .trap_policer_set = mlxsw_sp_trap_policer_set, 3902 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, 3903 .txhdr_construct = mlxsw_sp_txhdr_construct, 3904 .resources_register = mlxsw_sp1_resources_register, 3905 .kvd_sizes_get = mlxsw_sp_kvd_sizes_get, 3906 .ptp_transmitted = mlxsw_sp_ptp_transmitted, 3907 .txhdr_len = MLXSW_TXHDR_LEN, 3908 .profile = &mlxsw_sp1_config_profile, 3909 .sdq_supports_cqe_v2 = false, 3910 }; 3911 3912 static struct mlxsw_driver mlxsw_sp2_driver = { 3913 .kind = mlxsw_sp2_driver_name, 3914 .priv_size = sizeof(struct mlxsw_sp), 3915 .fw_req_rev = &mlxsw_sp2_fw_rev, 3916 .fw_filename = MLXSW_SP2_FW_FILENAME, 3917 .init = mlxsw_sp2_init, 3918 .fini = mlxsw_sp_fini, 3919 .port_split = mlxsw_sp_port_split, 3920 .port_unsplit = mlxsw_sp_port_unsplit, 3921 .ports_remove_selected = mlxsw_sp_ports_remove_selected, 3922 .sb_pool_get = mlxsw_sp_sb_pool_get, 3923 .sb_pool_set = mlxsw_sp_sb_pool_set, 3924 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, 3925 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, 3926 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, 3927 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, 3928 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, 3929 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, 3930 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, 3931 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, 3932 .trap_init = mlxsw_sp_trap_init, 3933 .trap_fini = mlxsw_sp_trap_fini, 3934 .trap_action_set = mlxsw_sp_trap_action_set, 3935 .trap_group_init = mlxsw_sp_trap_group_init, 3936 .trap_group_set = mlxsw_sp_trap_group_set, 3937 .trap_policer_init = mlxsw_sp_trap_policer_init, 3938 .trap_policer_fini = mlxsw_sp_trap_policer_fini, 3939 .trap_policer_set = mlxsw_sp_trap_policer_set, 3940 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, 3941 .txhdr_construct = mlxsw_sp_txhdr_construct, 3942 .resources_register = mlxsw_sp2_resources_register, 3943 .ptp_transmitted = mlxsw_sp_ptp_transmitted, 3944 .txhdr_len = MLXSW_TXHDR_LEN, 3945 .profile = &mlxsw_sp2_config_profile, 3946 .sdq_supports_cqe_v2 = true, 3947 }; 3948 3949 static struct mlxsw_driver mlxsw_sp3_driver = { 3950 .kind = mlxsw_sp3_driver_name, 3951 .priv_size = sizeof(struct mlxsw_sp), 3952 .fw_req_rev = &mlxsw_sp3_fw_rev, 3953 .fw_filename = MLXSW_SP3_FW_FILENAME, 3954 .init = mlxsw_sp3_init, 3955 .fini = mlxsw_sp_fini, 3956 .port_split = mlxsw_sp_port_split, 3957 .port_unsplit = mlxsw_sp_port_unsplit, 3958 .ports_remove_selected = mlxsw_sp_ports_remove_selected, 3959 .sb_pool_get = mlxsw_sp_sb_pool_get, 3960 .sb_pool_set = mlxsw_sp_sb_pool_set, 3961 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, 3962 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, 3963 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, 3964 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, 3965 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, 3966 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, 3967 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, 3968 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, 3969 .trap_init = mlxsw_sp_trap_init, 3970 .trap_fini = mlxsw_sp_trap_fini, 3971 .trap_action_set = mlxsw_sp_trap_action_set, 3972 .trap_group_init = mlxsw_sp_trap_group_init, 3973 .trap_group_set = mlxsw_sp_trap_group_set, 3974 .trap_policer_init = mlxsw_sp_trap_policer_init, 3975 .trap_policer_fini = mlxsw_sp_trap_policer_fini, 3976 .trap_policer_set = mlxsw_sp_trap_policer_set, 3977 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, 3978 .txhdr_construct = mlxsw_sp_txhdr_construct, 3979 .resources_register = mlxsw_sp2_resources_register, 3980 .ptp_transmitted = mlxsw_sp_ptp_transmitted, 3981 .txhdr_len = MLXSW_TXHDR_LEN, 3982 .profile = &mlxsw_sp2_config_profile, 3983 .sdq_supports_cqe_v2 = true, 3984 }; 3985 3986 static struct mlxsw_driver mlxsw_sp4_driver = { 3987 .kind = mlxsw_sp4_driver_name, 3988 .priv_size = sizeof(struct mlxsw_sp), 3989 .init = mlxsw_sp4_init, 3990 .fini = mlxsw_sp_fini, 3991 .port_split = mlxsw_sp_port_split, 3992 .port_unsplit = mlxsw_sp_port_unsplit, 3993 .ports_remove_selected = mlxsw_sp_ports_remove_selected, 3994 .sb_pool_get = mlxsw_sp_sb_pool_get, 3995 .sb_pool_set = mlxsw_sp_sb_pool_set, 3996 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, 3997 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, 3998 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, 3999 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, 4000 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, 4001 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, 4002 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, 4003 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, 4004 .trap_init = mlxsw_sp_trap_init, 4005 .trap_fini = mlxsw_sp_trap_fini, 4006 .trap_action_set = mlxsw_sp_trap_action_set, 4007 .trap_group_init = mlxsw_sp_trap_group_init, 4008 .trap_group_set = mlxsw_sp_trap_group_set, 4009 .trap_policer_init = mlxsw_sp_trap_policer_init, 4010 .trap_policer_fini = mlxsw_sp_trap_policer_fini, 4011 .trap_policer_set = mlxsw_sp_trap_policer_set, 4012 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, 4013 .txhdr_construct = mlxsw_sp_txhdr_construct, 4014 .resources_register = mlxsw_sp2_resources_register, 4015 .ptp_transmitted = mlxsw_sp_ptp_transmitted, 4016 .txhdr_len = MLXSW_TXHDR_LEN, 4017 .profile = &mlxsw_sp4_config_profile, 4018 .sdq_supports_cqe_v2 = true, 4019 }; 4020 4021 bool mlxsw_sp_port_dev_check(const struct net_device *dev) 4022 { 4023 return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; 4024 } 4025 4026 static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, 4027 struct netdev_nested_priv *priv) 4028 { 4029 int ret = 0; 4030 4031 if (mlxsw_sp_port_dev_check(lower_dev)) { 4032 priv->data = (void *)netdev_priv(lower_dev); 4033 ret = 1; 4034 } 4035 4036 return ret; 4037 } 4038 4039 struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) 4040 { 4041 struct netdev_nested_priv priv = { 4042 .data = NULL, 4043 }; 4044 4045 if (mlxsw_sp_port_dev_check(dev)) 4046 return netdev_priv(dev); 4047 4048 netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv); 4049 4050 return (struct mlxsw_sp_port *)priv.data; 4051 } 4052 4053 struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) 4054 { 4055 struct mlxsw_sp_port *mlxsw_sp_port; 4056 4057 mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); 4058 return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL; 4059 } 4060 4061 struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) 4062 { 4063 struct netdev_nested_priv priv = { 4064 .data = NULL, 4065 }; 4066 4067 if (mlxsw_sp_port_dev_check(dev)) 4068 return netdev_priv(dev); 4069 4070 netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk, 4071 &priv); 4072 4073 return (struct mlxsw_sp_port *)priv.data; 4074 } 4075 4076 struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev) 4077 { 4078 struct mlxsw_sp_port *mlxsw_sp_port; 4079 4080 rcu_read_lock(); 4081 mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev); 4082 if (mlxsw_sp_port) 4083 dev_hold(mlxsw_sp_port->dev); 4084 rcu_read_unlock(); 4085 return mlxsw_sp_port; 4086 } 4087 4088 void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) 4089 { 4090 dev_put(mlxsw_sp_port->dev); 4091 } 4092 4093 int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp) 4094 { 4095 char mprs_pl[MLXSW_REG_MPRS_LEN]; 4096 int err = 0; 4097 4098 mutex_lock(&mlxsw_sp->parsing.lock); 4099 4100 if (refcount_inc_not_zero(&mlxsw_sp->parsing.parsing_depth_ref)) 4101 goto out_unlock; 4102 4103 mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_INCREASED_PARSING_DEPTH, 4104 mlxsw_sp->parsing.vxlan_udp_dport); 4105 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); 4106 if (err) 4107 goto out_unlock; 4108 4109 mlxsw_sp->parsing.parsing_depth = MLXSW_SP_INCREASED_PARSING_DEPTH; 4110 refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 1); 4111 4112 out_unlock: 4113 mutex_unlock(&mlxsw_sp->parsing.lock); 4114 return err; 4115 } 4116 4117 void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp) 4118 { 4119 char mprs_pl[MLXSW_REG_MPRS_LEN]; 4120 4121 mutex_lock(&mlxsw_sp->parsing.lock); 4122 4123 if (!refcount_dec_and_test(&mlxsw_sp->parsing.parsing_depth_ref)) 4124 goto out_unlock; 4125 4126 mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_DEFAULT_PARSING_DEPTH, 4127 mlxsw_sp->parsing.vxlan_udp_dport); 4128 mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); 4129 mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; 4130 4131 out_unlock: 4132 mutex_unlock(&mlxsw_sp->parsing.lock); 4133 } 4134 4135 int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp, 4136 __be16 udp_dport) 4137 { 4138 char mprs_pl[MLXSW_REG_MPRS_LEN]; 4139 int err; 4140 4141 mutex_lock(&mlxsw_sp->parsing.lock); 4142 4143 mlxsw_reg_mprs_pack(mprs_pl, mlxsw_sp->parsing.parsing_depth, 4144 be16_to_cpu(udp_dport)); 4145 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); 4146 if (err) 4147 goto out_unlock; 4148 4149 mlxsw_sp->parsing.vxlan_udp_dport = be16_to_cpu(udp_dport); 4150 4151 out_unlock: 4152 mutex_unlock(&mlxsw_sp->parsing.lock); 4153 return err; 4154 } 4155 4156 static void 4157 mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port, 4158 struct net_device *lag_dev) 4159 { 4160 struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev); 4161 struct net_device *upper_dev; 4162 struct list_head *iter; 4163 4164 if (netif_is_bridge_port(lag_dev)) 4165 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev); 4166 4167 netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { 4168 if (!netif_is_bridge_port(upper_dev)) 4169 continue; 4170 br_dev = netdev_master_upper_dev_get(upper_dev); 4171 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); 4172 } 4173 } 4174 4175 static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) 4176 { 4177 char sldr_pl[MLXSW_REG_SLDR_LEN]; 4178 4179 mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); 4180 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); 4181 } 4182 4183 static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) 4184 { 4185 char sldr_pl[MLXSW_REG_SLDR_LEN]; 4186 4187 mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); 4188 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); 4189 } 4190 4191 static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port, 4192 u16 lag_id, u8 port_index) 4193 { 4194 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4195 char slcor_pl[MLXSW_REG_SLCOR_LEN]; 4196 4197 mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port, 4198 lag_id, port_index); 4199 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); 4200 } 4201 4202 static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, 4203 u16 lag_id) 4204 { 4205 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4206 char slcor_pl[MLXSW_REG_SLCOR_LEN]; 4207 4208 mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port, 4209 lag_id); 4210 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); 4211 } 4212 4213 static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port, 4214 u16 lag_id) 4215 { 4216 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4217 char slcor_pl[MLXSW_REG_SLCOR_LEN]; 4218 4219 mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port, 4220 lag_id); 4221 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); 4222 } 4223 4224 static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, 4225 u16 lag_id) 4226 { 4227 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4228 char slcor_pl[MLXSW_REG_SLCOR_LEN]; 4229 4230 mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port, 4231 lag_id); 4232 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); 4233 } 4234 4235 static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, 4236 struct net_device *lag_dev, 4237 u16 *p_lag_id) 4238 { 4239 struct mlxsw_sp_upper *lag; 4240 int free_lag_id = -1; 4241 u16 max_lag; 4242 int err, i; 4243 4244 err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); 4245 if (err) 4246 return err; 4247 4248 for (i = 0; i < max_lag; i++) { 4249 lag = mlxsw_sp_lag_get(mlxsw_sp, i); 4250 if (lag->ref_count) { 4251 if (lag->dev == lag_dev) { 4252 *p_lag_id = i; 4253 return 0; 4254 } 4255 } else if (free_lag_id < 0) { 4256 free_lag_id = i; 4257 } 4258 } 4259 if (free_lag_id < 0) 4260 return -EBUSY; 4261 *p_lag_id = free_lag_id; 4262 return 0; 4263 } 4264 4265 static bool 4266 mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, 4267 struct net_device *lag_dev, 4268 struct netdev_lag_upper_info *lag_upper_info, 4269 struct netlink_ext_ack *extack) 4270 { 4271 u16 lag_id; 4272 4273 if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) { 4274 NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices"); 4275 return false; 4276 } 4277 if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { 4278 NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); 4279 return false; 4280 } 4281 return true; 4282 } 4283 4284 static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, 4285 u16 lag_id, u8 *p_port_index) 4286 { 4287 u64 max_lag_members; 4288 int i; 4289 4290 max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, 4291 MAX_LAG_MEMBERS); 4292 for (i = 0; i < max_lag_members; i++) { 4293 if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) { 4294 *p_port_index = i; 4295 return 0; 4296 } 4297 } 4298 return -EBUSY; 4299 } 4300 4301 static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, 4302 struct net_device *lag_dev, 4303 struct netlink_ext_ack *extack) 4304 { 4305 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4306 struct mlxsw_sp_upper *lag; 4307 u16 lag_id; 4308 u8 port_index; 4309 int err; 4310 4311 err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); 4312 if (err) 4313 return err; 4314 lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); 4315 if (!lag->ref_count) { 4316 err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); 4317 if (err) 4318 return err; 4319 lag->dev = lag_dev; 4320 } 4321 4322 err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); 4323 if (err) 4324 return err; 4325 err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); 4326 if (err) 4327 goto err_col_port_add; 4328 4329 mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, 4330 mlxsw_sp_port->local_port); 4331 mlxsw_sp_port->lag_id = lag_id; 4332 mlxsw_sp_port->lagged = 1; 4333 lag->ref_count++; 4334 4335 /* Port is no longer usable as a router interface */ 4336 if (mlxsw_sp_port->default_vlan->fid) 4337 mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan); 4338 4339 /* Join a router interface configured on the LAG, if exists */ 4340 err = mlxsw_sp_port_vlan_router_join(mlxsw_sp_port->default_vlan, 4341 lag_dev, extack); 4342 if (err) 4343 goto err_router_join; 4344 4345 return 0; 4346 4347 err_router_join: 4348 lag->ref_count--; 4349 mlxsw_sp_port->lagged = 0; 4350 mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, 4351 mlxsw_sp_port->local_port); 4352 mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); 4353 err_col_port_add: 4354 if (!lag->ref_count) 4355 mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); 4356 return err; 4357 } 4358 4359 static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, 4360 struct net_device *lag_dev) 4361 { 4362 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4363 u16 lag_id = mlxsw_sp_port->lag_id; 4364 struct mlxsw_sp_upper *lag; 4365 4366 if (!mlxsw_sp_port->lagged) 4367 return; 4368 lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); 4369 WARN_ON(lag->ref_count == 0); 4370 4371 mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); 4372 4373 /* Any VLANs configured on the port are no longer valid */ 4374 mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false); 4375 mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan); 4376 /* Make the LAG and its directly linked uppers leave bridges they 4377 * are memeber in 4378 */ 4379 mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev); 4380 4381 if (lag->ref_count == 1) 4382 mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); 4383 4384 mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, 4385 mlxsw_sp_port->local_port); 4386 mlxsw_sp_port->lagged = 0; 4387 lag->ref_count--; 4388 4389 /* Make sure untagged frames are allowed to ingress */ 4390 mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, 4391 ETH_P_8021Q); 4392 } 4393 4394 static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, 4395 u16 lag_id) 4396 { 4397 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4398 char sldr_pl[MLXSW_REG_SLDR_LEN]; 4399 4400 mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id, 4401 mlxsw_sp_port->local_port); 4402 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); 4403 } 4404 4405 static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, 4406 u16 lag_id) 4407 { 4408 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4409 char sldr_pl[MLXSW_REG_SLDR_LEN]; 4410 4411 mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id, 4412 mlxsw_sp_port->local_port); 4413 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); 4414 } 4415 4416 static int 4417 mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port) 4418 { 4419 int err; 4420 4421 err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, 4422 mlxsw_sp_port->lag_id); 4423 if (err) 4424 return err; 4425 4426 err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); 4427 if (err) 4428 goto err_dist_port_add; 4429 4430 return 0; 4431 4432 err_dist_port_add: 4433 mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id); 4434 return err; 4435 } 4436 4437 static int 4438 mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port) 4439 { 4440 int err; 4441 4442 err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, 4443 mlxsw_sp_port->lag_id); 4444 if (err) 4445 return err; 4446 4447 err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, 4448 mlxsw_sp_port->lag_id); 4449 if (err) 4450 goto err_col_port_disable; 4451 4452 return 0; 4453 4454 err_col_port_disable: 4455 mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); 4456 return err; 4457 } 4458 4459 static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, 4460 struct netdev_lag_lower_state_info *info) 4461 { 4462 if (info->tx_enabled) 4463 return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port); 4464 else 4465 return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); 4466 } 4467 4468 static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, 4469 bool enable) 4470 { 4471 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4472 enum mlxsw_reg_spms_state spms_state; 4473 char *spms_pl; 4474 u16 vid; 4475 int err; 4476 4477 spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING : 4478 MLXSW_REG_SPMS_STATE_DISCARDING; 4479 4480 spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); 4481 if (!spms_pl) 4482 return -ENOMEM; 4483 mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); 4484 4485 for (vid = 0; vid < VLAN_N_VID; vid++) 4486 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); 4487 4488 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); 4489 kfree(spms_pl); 4490 return err; 4491 } 4492 4493 static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port) 4494 { 4495 u16 vid = 1; 4496 int err; 4497 4498 err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); 4499 if (err) 4500 return err; 4501 err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true); 4502 if (err) 4503 goto err_port_stp_set; 4504 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, 4505 true, false); 4506 if (err) 4507 goto err_port_vlan_set; 4508 4509 for (; vid <= VLAN_N_VID - 1; vid++) { 4510 err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, 4511 vid, false); 4512 if (err) 4513 goto err_vid_learning_set; 4514 } 4515 4516 return 0; 4517 4518 err_vid_learning_set: 4519 for (vid--; vid >= 1; vid--) 4520 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); 4521 err_port_vlan_set: 4522 mlxsw_sp_port_stp_set(mlxsw_sp_port, false); 4523 err_port_stp_set: 4524 mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); 4525 return err; 4526 } 4527 4528 static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port) 4529 { 4530 u16 vid; 4531 4532 for (vid = VLAN_N_VID - 1; vid >= 1; vid--) 4533 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, 4534 vid, true); 4535 4536 mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, 4537 false, false); 4538 mlxsw_sp_port_stp_set(mlxsw_sp_port, false); 4539 mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); 4540 } 4541 4542 static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev) 4543 { 4544 unsigned int num_vxlans = 0; 4545 struct net_device *dev; 4546 struct list_head *iter; 4547 4548 netdev_for_each_lower_dev(br_dev, dev, iter) { 4549 if (netif_is_vxlan(dev)) 4550 num_vxlans++; 4551 } 4552 4553 return num_vxlans > 1; 4554 } 4555 4556 static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev) 4557 { 4558 DECLARE_BITMAP(vlans, VLAN_N_VID) = {0}; 4559 struct net_device *dev; 4560 struct list_head *iter; 4561 4562 netdev_for_each_lower_dev(br_dev, dev, iter) { 4563 u16 pvid; 4564 int err; 4565 4566 if (!netif_is_vxlan(dev)) 4567 continue; 4568 4569 err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid); 4570 if (err || !pvid) 4571 continue; 4572 4573 if (test_and_set_bit(pvid, vlans)) 4574 return false; 4575 } 4576 4577 return true; 4578 } 4579 4580 static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev, 4581 struct netlink_ext_ack *extack) 4582 { 4583 if (br_multicast_enabled(br_dev)) { 4584 NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device"); 4585 return false; 4586 } 4587 4588 if (!br_vlan_enabled(br_dev) && 4589 mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) { 4590 NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge"); 4591 return false; 4592 } 4593 4594 if (br_vlan_enabled(br_dev) && 4595 !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) { 4596 NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged"); 4597 return false; 4598 } 4599 4600 return true; 4601 } 4602 4603 static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, 4604 struct net_device *dev, 4605 unsigned long event, void *ptr) 4606 { 4607 struct netdev_notifier_changeupper_info *info; 4608 struct mlxsw_sp_port *mlxsw_sp_port; 4609 struct netlink_ext_ack *extack; 4610 struct net_device *upper_dev; 4611 struct mlxsw_sp *mlxsw_sp; 4612 int err = 0; 4613 u16 proto; 4614 4615 mlxsw_sp_port = netdev_priv(dev); 4616 mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4617 info = ptr; 4618 extack = netdev_notifier_info_to_extack(&info->info); 4619 4620 switch (event) { 4621 case NETDEV_PRECHANGEUPPER: 4622 upper_dev = info->upper_dev; 4623 if (!is_vlan_dev(upper_dev) && 4624 !netif_is_lag_master(upper_dev) && 4625 !netif_is_bridge_master(upper_dev) && 4626 !netif_is_ovs_master(upper_dev) && 4627 !netif_is_macvlan(upper_dev) && 4628 !netif_is_l3_master(upper_dev)) { 4629 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); 4630 return -EINVAL; 4631 } 4632 if (!info->linking) 4633 break; 4634 if (netif_is_bridge_master(upper_dev) && 4635 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && 4636 mlxsw_sp_bridge_has_vxlan(upper_dev) && 4637 !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) 4638 return -EOPNOTSUPP; 4639 if (netdev_has_any_upper_dev(upper_dev) && 4640 (!netif_is_bridge_master(upper_dev) || 4641 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, 4642 upper_dev))) { 4643 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported"); 4644 return -EINVAL; 4645 } 4646 if (netif_is_lag_master(upper_dev) && 4647 !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, 4648 info->upper_info, extack)) 4649 return -EINVAL; 4650 if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) { 4651 NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN"); 4652 return -EINVAL; 4653 } 4654 if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && 4655 !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) { 4656 NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port"); 4657 return -EINVAL; 4658 } 4659 if (netif_is_macvlan(upper_dev) && 4660 !mlxsw_sp_rif_exists(mlxsw_sp, lower_dev)) { 4661 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); 4662 return -EOPNOTSUPP; 4663 } 4664 if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) { 4665 NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN"); 4666 return -EINVAL; 4667 } 4668 if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) { 4669 NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port"); 4670 return -EINVAL; 4671 } 4672 if (netif_is_bridge_master(upper_dev)) { 4673 br_vlan_get_proto(upper_dev, &proto); 4674 if (br_vlan_enabled(upper_dev) && 4675 proto != ETH_P_8021Q && proto != ETH_P_8021AD) { 4676 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a bridge with unknown VLAN protocol is not supported"); 4677 return -EOPNOTSUPP; 4678 } 4679 if (vlan_uses_dev(lower_dev) && 4680 br_vlan_enabled(upper_dev) && 4681 proto == ETH_P_8021AD) { 4682 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port that already has a VLAN upper to an 802.1ad bridge is not supported"); 4683 return -EOPNOTSUPP; 4684 } 4685 } 4686 if (netif_is_bridge_port(lower_dev) && is_vlan_dev(upper_dev)) { 4687 struct net_device *br_dev = netdev_master_upper_dev_get(lower_dev); 4688 4689 if (br_vlan_enabled(br_dev)) { 4690 br_vlan_get_proto(br_dev, &proto); 4691 if (proto == ETH_P_8021AD) { 4692 NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a port enslaved to an 802.1ad bridge"); 4693 return -EOPNOTSUPP; 4694 } 4695 } 4696 } 4697 if (is_vlan_dev(upper_dev) && 4698 ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { 4699 NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); 4700 return -EOPNOTSUPP; 4701 } 4702 if (is_vlan_dev(upper_dev) && mlxsw_sp_port->security) { 4703 NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a locked port"); 4704 return -EOPNOTSUPP; 4705 } 4706 break; 4707 case NETDEV_CHANGEUPPER: 4708 upper_dev = info->upper_dev; 4709 if (netif_is_bridge_master(upper_dev)) { 4710 if (info->linking) 4711 err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, 4712 lower_dev, 4713 upper_dev, 4714 extack); 4715 else 4716 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, 4717 lower_dev, 4718 upper_dev); 4719 } else if (netif_is_lag_master(upper_dev)) { 4720 if (info->linking) { 4721 err = mlxsw_sp_port_lag_join(mlxsw_sp_port, 4722 upper_dev, extack); 4723 } else { 4724 mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); 4725 mlxsw_sp_port_lag_leave(mlxsw_sp_port, 4726 upper_dev); 4727 } 4728 } else if (netif_is_ovs_master(upper_dev)) { 4729 if (info->linking) 4730 err = mlxsw_sp_port_ovs_join(mlxsw_sp_port); 4731 else 4732 mlxsw_sp_port_ovs_leave(mlxsw_sp_port); 4733 } else if (netif_is_macvlan(upper_dev)) { 4734 if (!info->linking) 4735 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); 4736 } else if (is_vlan_dev(upper_dev)) { 4737 struct net_device *br_dev; 4738 4739 if (!netif_is_bridge_port(upper_dev)) 4740 break; 4741 if (info->linking) 4742 break; 4743 br_dev = netdev_master_upper_dev_get(upper_dev); 4744 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, 4745 br_dev); 4746 } 4747 break; 4748 } 4749 4750 return err; 4751 } 4752 4753 static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, 4754 unsigned long event, void *ptr) 4755 { 4756 struct netdev_notifier_changelowerstate_info *info; 4757 struct mlxsw_sp_port *mlxsw_sp_port; 4758 int err; 4759 4760 mlxsw_sp_port = netdev_priv(dev); 4761 info = ptr; 4762 4763 switch (event) { 4764 case NETDEV_CHANGELOWERSTATE: 4765 if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) { 4766 err = mlxsw_sp_port_lag_changed(mlxsw_sp_port, 4767 info->lower_state_info); 4768 if (err) 4769 netdev_err(dev, "Failed to reflect link aggregation lower state change\n"); 4770 } 4771 break; 4772 } 4773 4774 return 0; 4775 } 4776 4777 static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev, 4778 struct net_device *port_dev, 4779 unsigned long event, void *ptr) 4780 { 4781 switch (event) { 4782 case NETDEV_PRECHANGEUPPER: 4783 case NETDEV_CHANGEUPPER: 4784 return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev, 4785 event, ptr); 4786 case NETDEV_CHANGELOWERSTATE: 4787 return mlxsw_sp_netdevice_port_lower_event(port_dev, event, 4788 ptr); 4789 } 4790 4791 return 0; 4792 } 4793 4794 static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, 4795 unsigned long event, void *ptr) 4796 { 4797 struct net_device *dev; 4798 struct list_head *iter; 4799 int ret; 4800 4801 netdev_for_each_lower_dev(lag_dev, dev, iter) { 4802 if (mlxsw_sp_port_dev_check(dev)) { 4803 ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event, 4804 ptr); 4805 if (ret) 4806 return ret; 4807 } 4808 } 4809 4810 return 0; 4811 } 4812 4813 static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev, 4814 struct net_device *dev, 4815 unsigned long event, void *ptr, 4816 u16 vid) 4817 { 4818 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); 4819 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; 4820 struct netdev_notifier_changeupper_info *info = ptr; 4821 struct netlink_ext_ack *extack; 4822 struct net_device *upper_dev; 4823 int err = 0; 4824 4825 extack = netdev_notifier_info_to_extack(&info->info); 4826 4827 switch (event) { 4828 case NETDEV_PRECHANGEUPPER: 4829 upper_dev = info->upper_dev; 4830 if (!netif_is_bridge_master(upper_dev) && 4831 !netif_is_macvlan(upper_dev) && 4832 !netif_is_l3_master(upper_dev)) { 4833 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); 4834 return -EINVAL; 4835 } 4836 if (!info->linking) 4837 break; 4838 if (netif_is_bridge_master(upper_dev) && 4839 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && 4840 mlxsw_sp_bridge_has_vxlan(upper_dev) && 4841 !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) 4842 return -EOPNOTSUPP; 4843 if (netdev_has_any_upper_dev(upper_dev) && 4844 (!netif_is_bridge_master(upper_dev) || 4845 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, 4846 upper_dev))) { 4847 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported"); 4848 return -EINVAL; 4849 } 4850 if (netif_is_macvlan(upper_dev) && 4851 !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) { 4852 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); 4853 return -EOPNOTSUPP; 4854 } 4855 break; 4856 case NETDEV_CHANGEUPPER: 4857 upper_dev = info->upper_dev; 4858 if (netif_is_bridge_master(upper_dev)) { 4859 if (info->linking) 4860 err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, 4861 vlan_dev, 4862 upper_dev, 4863 extack); 4864 else 4865 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, 4866 vlan_dev, 4867 upper_dev); 4868 } else if (netif_is_macvlan(upper_dev)) { 4869 if (!info->linking) 4870 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); 4871 } 4872 break; 4873 } 4874 4875 return err; 4876 } 4877 4878 static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev, 4879 struct net_device *lag_dev, 4880 unsigned long event, 4881 void *ptr, u16 vid) 4882 { 4883 struct net_device *dev; 4884 struct list_head *iter; 4885 int ret; 4886 4887 netdev_for_each_lower_dev(lag_dev, dev, iter) { 4888 if (mlxsw_sp_port_dev_check(dev)) { 4889 ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev, 4890 event, ptr, 4891 vid); 4892 if (ret) 4893 return ret; 4894 } 4895 } 4896 4897 return 0; 4898 } 4899 4900 static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev, 4901 struct net_device *br_dev, 4902 unsigned long event, void *ptr, 4903 u16 vid) 4904 { 4905 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); 4906 struct netdev_notifier_changeupper_info *info = ptr; 4907 struct netlink_ext_ack *extack; 4908 struct net_device *upper_dev; 4909 4910 if (!mlxsw_sp) 4911 return 0; 4912 4913 extack = netdev_notifier_info_to_extack(&info->info); 4914 4915 switch (event) { 4916 case NETDEV_PRECHANGEUPPER: 4917 upper_dev = info->upper_dev; 4918 if (!netif_is_macvlan(upper_dev) && 4919 !netif_is_l3_master(upper_dev)) { 4920 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); 4921 return -EOPNOTSUPP; 4922 } 4923 if (!info->linking) 4924 break; 4925 if (netif_is_macvlan(upper_dev) && 4926 !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) { 4927 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); 4928 return -EOPNOTSUPP; 4929 } 4930 break; 4931 case NETDEV_CHANGEUPPER: 4932 upper_dev = info->upper_dev; 4933 if (info->linking) 4934 break; 4935 if (netif_is_macvlan(upper_dev)) 4936 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); 4937 break; 4938 } 4939 4940 return 0; 4941 } 4942 4943 static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev, 4944 unsigned long event, void *ptr) 4945 { 4946 struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); 4947 u16 vid = vlan_dev_vlan_id(vlan_dev); 4948 4949 if (mlxsw_sp_port_dev_check(real_dev)) 4950 return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev, 4951 event, ptr, vid); 4952 else if (netif_is_lag_master(real_dev)) 4953 return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev, 4954 real_dev, event, 4955 ptr, vid); 4956 else if (netif_is_bridge_master(real_dev)) 4957 return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev, 4958 event, ptr, vid); 4959 4960 return 0; 4961 } 4962 4963 static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev, 4964 unsigned long event, void *ptr) 4965 { 4966 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(br_dev); 4967 struct netdev_notifier_changeupper_info *info = ptr; 4968 struct netlink_ext_ack *extack; 4969 struct net_device *upper_dev; 4970 u16 proto; 4971 4972 if (!mlxsw_sp) 4973 return 0; 4974 4975 extack = netdev_notifier_info_to_extack(&info->info); 4976 4977 switch (event) { 4978 case NETDEV_PRECHANGEUPPER: 4979 upper_dev = info->upper_dev; 4980 if (!is_vlan_dev(upper_dev) && 4981 !netif_is_macvlan(upper_dev) && 4982 !netif_is_l3_master(upper_dev)) { 4983 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); 4984 return -EOPNOTSUPP; 4985 } 4986 if (!info->linking) 4987 break; 4988 if (br_vlan_enabled(br_dev)) { 4989 br_vlan_get_proto(br_dev, &proto); 4990 if (proto == ETH_P_8021AD) { 4991 NL_SET_ERR_MSG_MOD(extack, "Upper devices are not supported on top of an 802.1ad bridge"); 4992 return -EOPNOTSUPP; 4993 } 4994 } 4995 if (is_vlan_dev(upper_dev) && 4996 ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { 4997 NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); 4998 return -EOPNOTSUPP; 4999 } 5000 if (netif_is_macvlan(upper_dev) && 5001 !mlxsw_sp_rif_exists(mlxsw_sp, br_dev)) { 5002 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); 5003 return -EOPNOTSUPP; 5004 } 5005 break; 5006 case NETDEV_CHANGEUPPER: 5007 upper_dev = info->upper_dev; 5008 if (info->linking) 5009 break; 5010 if (is_vlan_dev(upper_dev)) 5011 mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev); 5012 if (netif_is_macvlan(upper_dev)) 5013 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); 5014 break; 5015 } 5016 5017 return 0; 5018 } 5019 5020 static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev, 5021 unsigned long event, void *ptr) 5022 { 5023 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev); 5024 struct netdev_notifier_changeupper_info *info = ptr; 5025 struct netlink_ext_ack *extack; 5026 struct net_device *upper_dev; 5027 5028 if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER) 5029 return 0; 5030 5031 extack = netdev_notifier_info_to_extack(&info->info); 5032 upper_dev = info->upper_dev; 5033 5034 if (!netif_is_l3_master(upper_dev)) { 5035 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); 5036 return -EOPNOTSUPP; 5037 } 5038 5039 return 0; 5040 } 5041 5042 static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp, 5043 struct net_device *dev, 5044 unsigned long event, void *ptr) 5045 { 5046 struct netdev_notifier_changeupper_info *cu_info; 5047 struct netdev_notifier_info *info = ptr; 5048 struct netlink_ext_ack *extack; 5049 struct net_device *upper_dev; 5050 5051 extack = netdev_notifier_info_to_extack(info); 5052 5053 switch (event) { 5054 case NETDEV_CHANGEUPPER: 5055 cu_info = container_of(info, 5056 struct netdev_notifier_changeupper_info, 5057 info); 5058 upper_dev = cu_info->upper_dev; 5059 if (!netif_is_bridge_master(upper_dev)) 5060 return 0; 5061 if (!mlxsw_sp_lower_get(upper_dev)) 5062 return 0; 5063 if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) 5064 return -EOPNOTSUPP; 5065 if (cu_info->linking) { 5066 if (!netif_running(dev)) 5067 return 0; 5068 /* When the bridge is VLAN-aware, the VNI of the VxLAN 5069 * device needs to be mapped to a VLAN, but at this 5070 * point no VLANs are configured on the VxLAN device 5071 */ 5072 if (br_vlan_enabled(upper_dev)) 5073 return 0; 5074 return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, 5075 dev, 0, extack); 5076 } else { 5077 /* VLANs were already flushed, which triggered the 5078 * necessary cleanup 5079 */ 5080 if (br_vlan_enabled(upper_dev)) 5081 return 0; 5082 mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); 5083 } 5084 break; 5085 case NETDEV_PRE_UP: 5086 upper_dev = netdev_master_upper_dev_get(dev); 5087 if (!upper_dev) 5088 return 0; 5089 if (!netif_is_bridge_master(upper_dev)) 5090 return 0; 5091 if (!mlxsw_sp_lower_get(upper_dev)) 5092 return 0; 5093 return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, 5094 extack); 5095 case NETDEV_DOWN: 5096 upper_dev = netdev_master_upper_dev_get(dev); 5097 if (!upper_dev) 5098 return 0; 5099 if (!netif_is_bridge_master(upper_dev)) 5100 return 0; 5101 if (!mlxsw_sp_lower_get(upper_dev)) 5102 return 0; 5103 mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); 5104 break; 5105 } 5106 5107 return 0; 5108 } 5109 5110 static int mlxsw_sp_netdevice_event(struct notifier_block *nb, 5111 unsigned long event, void *ptr) 5112 { 5113 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 5114 struct mlxsw_sp_span_entry *span_entry; 5115 struct mlxsw_sp *mlxsw_sp; 5116 int err = 0; 5117 5118 mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb); 5119 if (event == NETDEV_UNREGISTER) { 5120 span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev); 5121 if (span_entry) 5122 mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry); 5123 } 5124 mlxsw_sp_span_respin(mlxsw_sp); 5125 5126 if (netif_is_vxlan(dev)) 5127 err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr); 5128 else if (mlxsw_sp_port_dev_check(dev)) 5129 err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr); 5130 else if (netif_is_lag_master(dev)) 5131 err = mlxsw_sp_netdevice_lag_event(dev, event, ptr); 5132 else if (is_vlan_dev(dev)) 5133 err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr); 5134 else if (netif_is_bridge_master(dev)) 5135 err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr); 5136 else if (netif_is_macvlan(dev)) 5137 err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr); 5138 5139 return notifier_from_errno(err); 5140 } 5141 5142 static struct notifier_block mlxsw_sp_inetaddr_valid_nb __read_mostly = { 5143 .notifier_call = mlxsw_sp_inetaddr_valid_event, 5144 }; 5145 5146 static struct notifier_block mlxsw_sp_inet6addr_valid_nb __read_mostly = { 5147 .notifier_call = mlxsw_sp_inet6addr_valid_event, 5148 }; 5149 5150 static const struct pci_device_id mlxsw_sp1_pci_id_table[] = { 5151 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, 5152 {0, }, 5153 }; 5154 5155 static struct pci_driver mlxsw_sp1_pci_driver = { 5156 .name = mlxsw_sp1_driver_name, 5157 .id_table = mlxsw_sp1_pci_id_table, 5158 }; 5159 5160 static const struct pci_device_id mlxsw_sp2_pci_id_table[] = { 5161 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0}, 5162 {0, }, 5163 }; 5164 5165 static struct pci_driver mlxsw_sp2_pci_driver = { 5166 .name = mlxsw_sp2_driver_name, 5167 .id_table = mlxsw_sp2_pci_id_table, 5168 }; 5169 5170 static const struct pci_device_id mlxsw_sp3_pci_id_table[] = { 5171 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0}, 5172 {0, }, 5173 }; 5174 5175 static struct pci_driver mlxsw_sp3_pci_driver = { 5176 .name = mlxsw_sp3_driver_name, 5177 .id_table = mlxsw_sp3_pci_id_table, 5178 }; 5179 5180 static const struct pci_device_id mlxsw_sp4_pci_id_table[] = { 5181 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM4), 0}, 5182 {0, }, 5183 }; 5184 5185 static struct pci_driver mlxsw_sp4_pci_driver = { 5186 .name = mlxsw_sp4_driver_name, 5187 .id_table = mlxsw_sp4_pci_id_table, 5188 }; 5189 5190 static int __init mlxsw_sp_module_init(void) 5191 { 5192 int err; 5193 5194 register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); 5195 register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); 5196 5197 err = mlxsw_core_driver_register(&mlxsw_sp1_driver); 5198 if (err) 5199 goto err_sp1_core_driver_register; 5200 5201 err = mlxsw_core_driver_register(&mlxsw_sp2_driver); 5202 if (err) 5203 goto err_sp2_core_driver_register; 5204 5205 err = mlxsw_core_driver_register(&mlxsw_sp3_driver); 5206 if (err) 5207 goto err_sp3_core_driver_register; 5208 5209 err = mlxsw_core_driver_register(&mlxsw_sp4_driver); 5210 if (err) 5211 goto err_sp4_core_driver_register; 5212 5213 err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver); 5214 if (err) 5215 goto err_sp1_pci_driver_register; 5216 5217 err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver); 5218 if (err) 5219 goto err_sp2_pci_driver_register; 5220 5221 err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver); 5222 if (err) 5223 goto err_sp3_pci_driver_register; 5224 5225 err = mlxsw_pci_driver_register(&mlxsw_sp4_pci_driver); 5226 if (err) 5227 goto err_sp4_pci_driver_register; 5228 5229 return 0; 5230 5231 err_sp4_pci_driver_register: 5232 mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); 5233 err_sp3_pci_driver_register: 5234 mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); 5235 err_sp2_pci_driver_register: 5236 mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); 5237 err_sp1_pci_driver_register: 5238 mlxsw_core_driver_unregister(&mlxsw_sp4_driver); 5239 err_sp4_core_driver_register: 5240 mlxsw_core_driver_unregister(&mlxsw_sp3_driver); 5241 err_sp3_core_driver_register: 5242 mlxsw_core_driver_unregister(&mlxsw_sp2_driver); 5243 err_sp2_core_driver_register: 5244 mlxsw_core_driver_unregister(&mlxsw_sp1_driver); 5245 err_sp1_core_driver_register: 5246 unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); 5247 unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); 5248 return err; 5249 } 5250 5251 static void __exit mlxsw_sp_module_exit(void) 5252 { 5253 mlxsw_pci_driver_unregister(&mlxsw_sp4_pci_driver); 5254 mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); 5255 mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); 5256 mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); 5257 mlxsw_core_driver_unregister(&mlxsw_sp4_driver); 5258 mlxsw_core_driver_unregister(&mlxsw_sp3_driver); 5259 mlxsw_core_driver_unregister(&mlxsw_sp2_driver); 5260 mlxsw_core_driver_unregister(&mlxsw_sp1_driver); 5261 unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); 5262 unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); 5263 } 5264 5265 module_init(mlxsw_sp_module_init); 5266 module_exit(mlxsw_sp_module_exit); 5267 5268 MODULE_LICENSE("Dual BSD/GPL"); 5269 MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); 5270 MODULE_DESCRIPTION("Mellanox Spectrum driver"); 5271 MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table); 5272 MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table); 5273 MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table); 5274 MODULE_DEVICE_TABLE(pci, mlxsw_sp4_pci_id_table); 5275 MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME); 5276 MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME); 5277 MODULE_FIRMWARE(MLXSW_SP3_FW_FILENAME); 5278 MODULE_FIRMWARE(MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME); 5279