1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 3 #ifndef __LAN966X_MAIN_H__ 4 #define __LAN966X_MAIN_H__ 5 6 #include <linux/debugfs.h> 7 #include <linux/etherdevice.h> 8 #include <linux/if_vlan.h> 9 #include <linux/jiffies.h> 10 #include <linux/phy.h> 11 #include <linux/phylink.h> 12 #include <linux/ptp_clock_kernel.h> 13 #include <net/page_pool/types.h> 14 #include <net/pkt_cls.h> 15 #include <net/pkt_sched.h> 16 #include <net/switchdev.h> 17 #include <net/xdp.h> 18 19 #include <vcap_api.h> 20 #include <vcap_api_client.h> 21 22 #include "lan966x_regs.h" 23 #include "lan966x_ifh.h" 24 25 #define TABLE_UPDATE_SLEEP_US 10 26 #define TABLE_UPDATE_TIMEOUT_US 100000 27 28 #define READL_SLEEP_US 10 29 #define READL_TIMEOUT_US 100000000 30 31 #define LAN966X_BUFFER_CELL_SZ 64 32 #define LAN966X_BUFFER_MEMORY (160 * 1024) 33 #define LAN966X_BUFFER_MIN_SZ 60 34 35 #define LAN966X_HW_MTU(mtu) ((mtu) + ETH_HLEN + ETH_FCS_LEN) 36 37 #define PGID_AGGR 64 38 #define PGID_SRC 80 39 #define PGID_ENTRIES 89 40 41 #define UNAWARE_PVID 0 42 #define HOST_PVID 4095 43 44 /* Reserved amount for (SRC, PRIO) at index 8*SRC + PRIO */ 45 #define QSYS_Q_RSRV 95 46 47 #define NUM_PHYS_PORTS 8 48 #define CPU_PORT 8 49 #define NUM_PRIO_QUEUES 8 50 51 /* Reserved PGIDs */ 52 #define PGID_CPU (PGID_AGGR - 6) 53 #define PGID_UC (PGID_AGGR - 5) 54 #define PGID_BC (PGID_AGGR - 4) 55 #define PGID_MC (PGID_AGGR - 3) 56 #define PGID_MCIPV4 (PGID_AGGR - 2) 57 #define PGID_MCIPV6 (PGID_AGGR - 1) 58 59 /* Non-reserved PGIDs, used for general purpose */ 60 #define PGID_GP_START (CPU_PORT + 1) 61 #define PGID_GP_END PGID_CPU 62 63 #define LAN966X_SPEED_NONE 0 64 #define LAN966X_SPEED_2500 1 65 #define LAN966X_SPEED_1000 1 66 #define LAN966X_SPEED_100 2 67 #define LAN966X_SPEED_10 3 68 69 #define LAN966X_PHC_COUNT 3 70 #define LAN966X_PHC_PORT 0 71 #define LAN966X_PHC_PINS_NUM 7 72 73 #define IFH_REW_OP_NOOP 0x0 74 #define IFH_REW_OP_ONE_STEP_PTP 0x3 75 #define IFH_REW_OP_TWO_STEP_PTP 0x4 76 77 #define FDMA_RX_DCB_MAX_DBS 1 78 #define FDMA_TX_DCB_MAX_DBS 1 79 #define FDMA_DCB_INFO_DATAL(x) ((x) & GENMASK(15, 0)) 80 81 #define FDMA_DCB_STATUS_BLOCKL(x) ((x) & GENMASK(15, 0)) 82 #define FDMA_DCB_STATUS_SOF BIT(16) 83 #define FDMA_DCB_STATUS_EOF BIT(17) 84 #define FDMA_DCB_STATUS_INTR BIT(18) 85 #define FDMA_DCB_STATUS_DONE BIT(19) 86 #define FDMA_DCB_STATUS_BLOCKO(x) (((x) << 20) & GENMASK(31, 20)) 87 #define FDMA_DCB_INVALID_DATA 0x1 88 89 #define FDMA_XTR_CHANNEL 6 90 #define FDMA_INJ_CHANNEL 0 91 #define FDMA_DCB_MAX 512 92 93 #define SE_IDX_QUEUE 0 /* 0-79 : Queue scheduler elements */ 94 #define SE_IDX_PORT 80 /* 80-89 : Port schedular elements */ 95 96 #define LAN966X_VCAP_CID_IS1_L0 VCAP_CID_INGRESS_L0 /* IS1 lookup 0 */ 97 #define LAN966X_VCAP_CID_IS1_L1 VCAP_CID_INGRESS_L1 /* IS1 lookup 1 */ 98 #define LAN966X_VCAP_CID_IS1_L2 VCAP_CID_INGRESS_L2 /* IS1 lookup 2 */ 99 #define LAN966X_VCAP_CID_IS1_MAX (VCAP_CID_INGRESS_L3 - 1) /* IS1 Max */ 100 101 #define LAN966X_VCAP_CID_IS2_L0 VCAP_CID_INGRESS_STAGE2_L0 /* IS2 lookup 0 */ 102 #define LAN966X_VCAP_CID_IS2_L1 VCAP_CID_INGRESS_STAGE2_L1 /* IS2 lookup 1 */ 103 #define LAN966X_VCAP_CID_IS2_MAX (VCAP_CID_INGRESS_STAGE2_L2 - 1) /* IS2 Max */ 104 105 #define LAN966X_VCAP_CID_ES0_L0 VCAP_CID_EGRESS_L0 /* ES0 lookup 0 */ 106 #define LAN966X_VCAP_CID_ES0_MAX (VCAP_CID_EGRESS_L1 - 1) /* ES0 Max */ 107 108 #define LAN966X_PORT_QOS_PCP_COUNT 8 109 #define LAN966X_PORT_QOS_DEI_COUNT 8 110 #define LAN966X_PORT_QOS_PCP_DEI_COUNT \ 111 (LAN966X_PORT_QOS_PCP_COUNT + LAN966X_PORT_QOS_DEI_COUNT) 112 113 #define LAN966X_PORT_QOS_DSCP_COUNT 64 114 115 /* Port PCP rewrite mode */ 116 #define LAN966X_PORT_REW_TAG_CTRL_CLASSIFIED 0 117 #define LAN966X_PORT_REW_TAG_CTRL_MAPPED 2 118 119 /* Port DSCP rewrite mode */ 120 #define LAN966X_PORT_REW_DSCP_FRAME 0 121 #define LAN966X_PORT_REW_DSCP_ANALIZER 1 122 #define LAN966X_PORT_QOS_REWR_DSCP_ALL 3 123 124 /* MAC table entry types. 125 * ENTRYTYPE_NORMAL is subject to aging. 126 * ENTRYTYPE_LOCKED is not subject to aging. 127 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast. 128 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast. 129 */ 130 enum macaccess_entry_type { 131 ENTRYTYPE_NORMAL = 0, 132 ENTRYTYPE_LOCKED, 133 ENTRYTYPE_MACV4, 134 ENTRYTYPE_MACV6, 135 }; 136 137 /* FDMA return action codes for checking if the frame is valid 138 * FDMA_PASS, frame is valid and can be used 139 * FDMA_ERROR, something went wrong, stop getting more frames 140 * FDMA_DROP, frame is dropped, but continue to get more frames 141 * FDMA_TX, frame is given to TX, but continue to get more frames 142 * FDMA_REDIRECT, frame is given to TX, but continue to get more frames 143 */ 144 enum lan966x_fdma_action { 145 FDMA_PASS = 0, 146 FDMA_ERROR, 147 FDMA_DROP, 148 FDMA_TX, 149 FDMA_REDIRECT, 150 }; 151 152 /* Controls how PORT_MASK is applied */ 153 enum LAN966X_PORT_MASK_MODE { 154 LAN966X_PMM_NO_ACTION, 155 LAN966X_PMM_REPLACE, 156 LAN966X_PMM_FORWARDING, 157 LAN966X_PMM_REDIRECT, 158 }; 159 160 enum vcap_is2_port_sel_ipv6 { 161 VCAP_IS2_PS_IPV6_TCPUDP_OTHER, 162 VCAP_IS2_PS_IPV6_STD, 163 VCAP_IS2_PS_IPV6_IP4_TCPUDP_IP4_OTHER, 164 VCAP_IS2_PS_IPV6_MAC_ETYPE, 165 }; 166 167 enum vcap_is1_port_sel_other { 168 VCAP_IS1_PS_OTHER_NORMAL, 169 VCAP_IS1_PS_OTHER_7TUPLE, 170 VCAP_IS1_PS_OTHER_DBL_VID, 171 VCAP_IS1_PS_OTHER_DMAC_VID, 172 }; 173 174 enum vcap_is1_port_sel_ipv4 { 175 VCAP_IS1_PS_IPV4_NORMAL, 176 VCAP_IS1_PS_IPV4_7TUPLE, 177 VCAP_IS1_PS_IPV4_5TUPLE_IP4, 178 VCAP_IS1_PS_IPV4_DBL_VID, 179 VCAP_IS1_PS_IPV4_DMAC_VID, 180 }; 181 182 enum vcap_is1_port_sel_ipv6 { 183 VCAP_IS1_PS_IPV6_NORMAL, 184 VCAP_IS1_PS_IPV6_7TUPLE, 185 VCAP_IS1_PS_IPV6_5TUPLE_IP4, 186 VCAP_IS1_PS_IPV6_NORMAL_IP6, 187 VCAP_IS1_PS_IPV6_5TUPLE_IP6, 188 VCAP_IS1_PS_IPV6_DBL_VID, 189 VCAP_IS1_PS_IPV6_DMAC_VID, 190 }; 191 192 enum vcap_is1_port_sel_rt { 193 VCAP_IS1_PS_RT_NORMAL, 194 VCAP_IS1_PS_RT_7TUPLE, 195 VCAP_IS1_PS_RT_DBL_VID, 196 VCAP_IS1_PS_RT_DMAC_VID, 197 VCAP_IS1_PS_RT_FOLLOW_OTHER = 7, 198 }; 199 200 struct lan966x_port; 201 202 struct lan966x_db { 203 u64 dataptr; 204 u64 status; 205 }; 206 207 struct lan966x_rx_dcb { 208 u64 nextptr; 209 u64 info; 210 struct lan966x_db db[FDMA_RX_DCB_MAX_DBS]; 211 }; 212 213 struct lan966x_tx_dcb { 214 u64 nextptr; 215 u64 info; 216 struct lan966x_db db[FDMA_TX_DCB_MAX_DBS]; 217 }; 218 219 struct lan966x_rx { 220 struct lan966x *lan966x; 221 222 /* Pointer to the array of hardware dcbs. */ 223 struct lan966x_rx_dcb *dcbs; 224 225 /* Pointer to the last address in the dcbs. */ 226 struct lan966x_rx_dcb *last_entry; 227 228 /* For each DB, there is a page */ 229 struct page *page[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS]; 230 231 /* Represents the db_index, it can have a value between 0 and 232 * FDMA_RX_DCB_MAX_DBS, once it reaches the value of FDMA_RX_DCB_MAX_DBS 233 * it means that the DCB can be reused. 234 */ 235 int db_index; 236 237 /* Represents the index in the dcbs. It has a value between 0 and 238 * FDMA_DCB_MAX 239 */ 240 int dcb_index; 241 242 /* Represents the dma address to the dcbs array */ 243 dma_addr_t dma; 244 245 /* Represents the page order that is used to allocate the pages for the 246 * RX buffers. This value is calculated based on max MTU of the devices. 247 */ 248 u8 page_order; 249 250 /* Represents the max size frame that it can receive to the CPU. This 251 * includes the IFH + VLAN tags + frame + skb_shared_info 252 */ 253 u32 max_mtu; 254 255 u8 channel_id; 256 257 struct page_pool *page_pool; 258 }; 259 260 struct lan966x_tx_dcb_buf { 261 dma_addr_t dma_addr; 262 struct net_device *dev; 263 union { 264 struct sk_buff *skb; 265 struct xdp_frame *xdpf; 266 struct page *page; 267 } data; 268 u32 len; 269 u32 used : 1; 270 u32 ptp : 1; 271 u32 use_skb : 1; 272 u32 xdp_ndo : 1; 273 }; 274 275 struct lan966x_tx { 276 struct lan966x *lan966x; 277 278 /* Pointer to the dcb list */ 279 struct lan966x_tx_dcb *dcbs; 280 u16 last_in_use; 281 282 /* Represents the DMA address to the first entry of the dcb entries. */ 283 dma_addr_t dma; 284 285 /* Array of dcbs that are given to the HW */ 286 struct lan966x_tx_dcb_buf *dcbs_buf; 287 288 u8 channel_id; 289 290 bool activated; 291 }; 292 293 struct lan966x_stat_layout { 294 u32 offset; 295 char name[ETH_GSTRING_LEN]; 296 }; 297 298 struct lan966x_phc { 299 struct ptp_clock *clock; 300 struct ptp_clock_info info; 301 struct ptp_pin_desc pins[LAN966X_PHC_PINS_NUM]; 302 struct kernel_hwtstamp_config hwtstamp_config; 303 struct lan966x *lan966x; 304 u8 index; 305 }; 306 307 struct lan966x_skb_cb { 308 u8 rew_op; 309 u16 ts_id; 310 unsigned long jiffies; 311 }; 312 313 #define LAN966X_PTP_TIMEOUT msecs_to_jiffies(10) 314 #define LAN966X_SKB_CB(skb) \ 315 ((struct lan966x_skb_cb *)((skb)->cb)) 316 317 struct lan966x { 318 struct device *dev; 319 320 u8 num_phys_ports; 321 struct lan966x_port **ports; 322 323 void __iomem *regs[NUM_TARGETS]; 324 325 int shared_queue_sz; 326 327 u8 base_mac[ETH_ALEN]; 328 329 spinlock_t tx_lock; /* lock for frame transmition */ 330 331 struct net_device *bridge; 332 u16 bridge_mask; 333 u16 bridge_fwd_mask; 334 335 struct list_head mac_entries; 336 spinlock_t mac_lock; /* lock for mac_entries list */ 337 338 u16 vlan_mask[VLAN_N_VID]; 339 DECLARE_BITMAP(cpu_vlan_mask, VLAN_N_VID); 340 341 /* stats */ 342 const struct lan966x_stat_layout *stats_layout; 343 u32 num_stats; 344 345 /* workqueue for reading stats */ 346 struct mutex stats_lock; 347 u64 *stats; 348 struct delayed_work stats_work; 349 struct workqueue_struct *stats_queue; 350 351 /* interrupts */ 352 int xtr_irq; 353 int ana_irq; 354 int ptp_irq; 355 int fdma_irq; 356 int ptp_ext_irq; 357 358 /* worqueue for fdb */ 359 struct workqueue_struct *fdb_work; 360 struct list_head fdb_entries; 361 362 /* mdb */ 363 struct list_head mdb_entries; 364 struct list_head pgid_entries; 365 366 /* ptp */ 367 bool ptp; 368 struct lan966x_phc phc[LAN966X_PHC_COUNT]; 369 spinlock_t ptp_clock_lock; /* lock for phc */ 370 spinlock_t ptp_ts_id_lock; /* lock for ts_id */ 371 struct mutex ptp_lock; /* lock for ptp interface state */ 372 u16 ptp_skbs; 373 374 /* fdma */ 375 bool fdma; 376 struct net_device *fdma_ndev; 377 struct lan966x_rx rx; 378 struct lan966x_tx tx; 379 struct napi_struct napi; 380 381 /* Mirror */ 382 struct lan966x_port *mirror_monitor; 383 u32 mirror_mask[2]; 384 u32 mirror_count; 385 386 /* vcap */ 387 struct vcap_control *vcap_ctrl; 388 389 /* debugfs */ 390 struct dentry *debugfs_root; 391 }; 392 393 struct lan966x_port_config { 394 phy_interface_t portmode; 395 const unsigned long *advertising; 396 int speed; 397 int duplex; 398 u32 pause; 399 bool inband; 400 bool autoneg; 401 }; 402 403 struct lan966x_port_tc { 404 bool ingress_shared_block; 405 unsigned long police_id; 406 unsigned long ingress_mirror_id; 407 unsigned long egress_mirror_id; 408 struct flow_stats police_stat; 409 struct flow_stats mirror_stat; 410 }; 411 412 struct lan966x_port_qos_pcp { 413 u8 map[LAN966X_PORT_QOS_PCP_DEI_COUNT]; 414 bool enable; 415 }; 416 417 struct lan966x_port_qos_dscp { 418 u8 map[LAN966X_PORT_QOS_DSCP_COUNT]; 419 bool enable; 420 }; 421 422 struct lan966x_port_qos_pcp_rewr { 423 u16 map[NUM_PRIO_QUEUES]; 424 bool enable; 425 }; 426 427 struct lan966x_port_qos_dscp_rewr { 428 u16 map[LAN966X_PORT_QOS_DSCP_COUNT]; 429 bool enable; 430 }; 431 432 struct lan966x_port_qos { 433 struct lan966x_port_qos_pcp pcp; 434 struct lan966x_port_qos_dscp dscp; 435 struct lan966x_port_qos_pcp_rewr pcp_rewr; 436 struct lan966x_port_qos_dscp_rewr dscp_rewr; 437 u8 default_prio; 438 }; 439 440 struct lan966x_port { 441 struct net_device *dev; 442 struct lan966x *lan966x; 443 444 u8 chip_port; 445 u16 pvid; 446 u16 vid; 447 bool vlan_aware; 448 449 bool learn_ena; 450 bool mcast_ena; 451 452 struct phylink_config phylink_config; 453 struct phylink_pcs phylink_pcs; 454 struct lan966x_port_config config; 455 struct phylink *phylink; 456 struct phy *serdes; 457 struct fwnode_handle *fwnode; 458 459 u8 ptp_tx_cmd; 460 bool ptp_rx_cmd; 461 u16 ts_id; 462 struct sk_buff_head tx_skbs; 463 464 struct net_device *bond; 465 bool lag_tx_active; 466 enum netdev_lag_hash hash_type; 467 468 struct lan966x_port_tc tc; 469 470 struct bpf_prog *xdp_prog; 471 struct xdp_rxq_info xdp_rxq; 472 }; 473 474 extern const struct phylink_mac_ops lan966x_phylink_mac_ops; 475 extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops; 476 extern const struct ethtool_ops lan966x_ethtool_ops; 477 extern struct notifier_block lan966x_switchdev_nb __read_mostly; 478 extern struct notifier_block lan966x_switchdev_blocking_nb __read_mostly; 479 480 bool lan966x_netdevice_check(const struct net_device *dev); 481 482 void lan966x_register_notifier_blocks(void); 483 void lan966x_unregister_notifier_blocks(void); 484 485 bool lan966x_hw_offload(struct lan966x *lan966x, u32 port, struct sk_buff *skb); 486 487 void lan966x_ifh_get_src_port(void *ifh, u64 *src_port); 488 void lan966x_ifh_get_timestamp(void *ifh, u64 *timestamp); 489 void lan966x_ifh_set_bypass(void *ifh, u64 bypass); 490 void lan966x_ifh_set_port(void *ifh, u64 bypass); 491 492 void lan966x_stats_get(struct net_device *dev, 493 struct rtnl_link_stats64 *stats); 494 int lan966x_stats_init(struct lan966x *lan966x); 495 496 void lan966x_port_config_down(struct lan966x_port *port); 497 void lan966x_port_config_up(struct lan966x_port *port); 498 void lan966x_port_status_get(struct lan966x_port *port, 499 struct phylink_link_state *state); 500 int lan966x_port_pcs_set(struct lan966x_port *port, 501 struct lan966x_port_config *config); 502 void lan966x_port_init(struct lan966x_port *port); 503 504 void lan966x_port_qos_set(struct lan966x_port *port, 505 struct lan966x_port_qos *qos); 506 void lan966x_port_qos_dscp_rewr_mode_set(struct lan966x_port *port, 507 int mode); 508 509 int lan966x_mac_ip_learn(struct lan966x *lan966x, 510 bool cpu_copy, 511 const unsigned char mac[ETH_ALEN], 512 unsigned int vid, 513 enum macaccess_entry_type type); 514 int lan966x_mac_learn(struct lan966x *lan966x, int port, 515 const unsigned char mac[ETH_ALEN], 516 unsigned int vid, 517 enum macaccess_entry_type type); 518 int lan966x_mac_forget(struct lan966x *lan966x, 519 const unsigned char mac[ETH_ALEN], 520 unsigned int vid, 521 enum macaccess_entry_type type); 522 int lan966x_mac_cpu_learn(struct lan966x *lan966x, const char *addr, u16 vid); 523 int lan966x_mac_cpu_forget(struct lan966x *lan966x, const char *addr, u16 vid); 524 void lan966x_mac_init(struct lan966x *lan966x); 525 void lan966x_mac_set_ageing(struct lan966x *lan966x, 526 u32 ageing); 527 int lan966x_mac_del_entry(struct lan966x *lan966x, 528 const unsigned char *addr, 529 u16 vid); 530 int lan966x_mac_add_entry(struct lan966x *lan966x, 531 struct lan966x_port *port, 532 const unsigned char *addr, 533 u16 vid); 534 void lan966x_mac_lag_replace_port_entry(struct lan966x *lan966x, 535 struct lan966x_port *src, 536 struct lan966x_port *dst); 537 void lan966x_mac_lag_remove_port_entry(struct lan966x *lan966x, 538 struct lan966x_port *src); 539 void lan966x_mac_purge_entries(struct lan966x *lan966x); 540 irqreturn_t lan966x_mac_irq_handler(struct lan966x *lan966x); 541 542 void lan966x_vlan_init(struct lan966x *lan966x); 543 void lan966x_vlan_port_apply(struct lan966x_port *port); 544 bool lan966x_vlan_cpu_member_cpu_vlan_mask(struct lan966x *lan966x, u16 vid); 545 void lan966x_vlan_port_set_vlan_aware(struct lan966x_port *port, 546 bool vlan_aware); 547 int lan966x_vlan_port_set_vid(struct lan966x_port *port, 548 u16 vid, 549 bool pvid, 550 bool untagged); 551 void lan966x_vlan_port_add_vlan(struct lan966x_port *port, 552 u16 vid, 553 bool pvid, 554 bool untagged); 555 void lan966x_vlan_port_del_vlan(struct lan966x_port *port, u16 vid); 556 void lan966x_vlan_cpu_add_vlan(struct lan966x *lan966x, u16 vid); 557 void lan966x_vlan_cpu_del_vlan(struct lan966x *lan966x, u16 vid); 558 559 void lan966x_fdb_write_entries(struct lan966x *lan966x, u16 vid); 560 void lan966x_fdb_erase_entries(struct lan966x *lan966x, u16 vid); 561 int lan966x_fdb_init(struct lan966x *lan966x); 562 void lan966x_fdb_deinit(struct lan966x *lan966x); 563 void lan966x_fdb_flush_workqueue(struct lan966x *lan966x); 564 int lan966x_handle_fdb(struct net_device *dev, 565 struct net_device *orig_dev, 566 unsigned long event, const void *ctx, 567 const struct switchdev_notifier_fdb_info *fdb_info); 568 569 void lan966x_mdb_init(struct lan966x *lan966x); 570 void lan966x_mdb_deinit(struct lan966x *lan966x); 571 int lan966x_handle_port_mdb_add(struct lan966x_port *port, 572 const struct switchdev_obj *obj); 573 int lan966x_handle_port_mdb_del(struct lan966x_port *port, 574 const struct switchdev_obj *obj); 575 void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid); 576 void lan966x_mdb_write_entries(struct lan966x *lan966x, u16 vid); 577 void lan966x_mdb_clear_entries(struct lan966x *lan966x); 578 void lan966x_mdb_restore_entries(struct lan966x *lan966x); 579 580 int lan966x_ptp_init(struct lan966x *lan966x); 581 void lan966x_ptp_deinit(struct lan966x *lan966x); 582 int lan966x_ptp_hwtstamp_set(struct lan966x_port *port, 583 struct kernel_hwtstamp_config *cfg, 584 struct netlink_ext_ack *extack); 585 void lan966x_ptp_hwtstamp_get(struct lan966x_port *port, 586 struct kernel_hwtstamp_config *cfg); 587 void lan966x_ptp_rxtstamp(struct lan966x *lan966x, struct sk_buff *skb, 588 u64 src_port, u64 timestamp); 589 int lan966x_ptp_txtstamp_request(struct lan966x_port *port, 590 struct sk_buff *skb); 591 void lan966x_ptp_txtstamp_release(struct lan966x_port *port, 592 struct sk_buff *skb); 593 irqreturn_t lan966x_ptp_irq_handler(int irq, void *args); 594 irqreturn_t lan966x_ptp_ext_irq_handler(int irq, void *args); 595 u32 lan966x_ptp_get_period_ps(void); 596 int lan966x_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts); 597 int lan966x_ptp_setup_traps(struct lan966x_port *port, 598 struct kernel_hwtstamp_config *cfg); 599 int lan966x_ptp_del_traps(struct lan966x_port *port); 600 601 int lan966x_fdma_xmit(struct sk_buff *skb, __be32 *ifh, struct net_device *dev); 602 int lan966x_fdma_xmit_xdpf(struct lan966x_port *port, void *ptr, u32 len); 603 int lan966x_fdma_change_mtu(struct lan966x *lan966x); 604 void lan966x_fdma_netdev_init(struct lan966x *lan966x, struct net_device *dev); 605 void lan966x_fdma_netdev_deinit(struct lan966x *lan966x, struct net_device *dev); 606 int lan966x_fdma_init(struct lan966x *lan966x); 607 void lan966x_fdma_deinit(struct lan966x *lan966x); 608 irqreturn_t lan966x_fdma_irq_handler(int irq, void *args); 609 int lan966x_fdma_reload_page_pool(struct lan966x *lan966x); 610 611 int lan966x_lag_port_join(struct lan966x_port *port, 612 struct net_device *brport_dev, 613 struct net_device *bond, 614 struct netlink_ext_ack *extack); 615 void lan966x_lag_port_leave(struct lan966x_port *port, struct net_device *bond); 616 int lan966x_lag_port_prechangeupper(struct net_device *dev, 617 struct netdev_notifier_changeupper_info *info); 618 int lan966x_lag_port_changelowerstate(struct net_device *dev, 619 struct netdev_notifier_changelowerstate_info *info); 620 int lan966x_lag_netdev_prechangeupper(struct net_device *dev, 621 struct netdev_notifier_changeupper_info *info); 622 int lan966x_lag_netdev_changeupper(struct net_device *dev, 623 struct netdev_notifier_changeupper_info *info); 624 bool lan966x_lag_first_port(struct net_device *lag, struct net_device *dev); 625 u32 lan966x_lag_get_mask(struct lan966x *lan966x, struct net_device *bond); 626 627 int lan966x_port_changeupper(struct net_device *dev, 628 struct net_device *brport_dev, 629 struct netdev_notifier_changeupper_info *info); 630 int lan966x_port_prechangeupper(struct net_device *dev, 631 struct net_device *brport_dev, 632 struct netdev_notifier_changeupper_info *info); 633 void lan966x_port_stp_state_set(struct lan966x_port *port, u8 state); 634 void lan966x_port_ageing_set(struct lan966x_port *port, 635 unsigned long ageing_clock_t); 636 void lan966x_update_fwd_mask(struct lan966x *lan966x); 637 638 int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type, 639 void *type_data); 640 641 int lan966x_mqprio_add(struct lan966x_port *port, u8 num_tc); 642 int lan966x_mqprio_del(struct lan966x_port *port); 643 644 void lan966x_taprio_init(struct lan966x *lan966x); 645 void lan966x_taprio_deinit(struct lan966x *lan966x); 646 int lan966x_taprio_add(struct lan966x_port *port, 647 struct tc_taprio_qopt_offload *qopt); 648 int lan966x_taprio_del(struct lan966x_port *port); 649 int lan966x_taprio_speed_set(struct lan966x_port *port, int speed); 650 651 int lan966x_tbf_add(struct lan966x_port *port, 652 struct tc_tbf_qopt_offload *qopt); 653 int lan966x_tbf_del(struct lan966x_port *port, 654 struct tc_tbf_qopt_offload *qopt); 655 656 int lan966x_cbs_add(struct lan966x_port *port, 657 struct tc_cbs_qopt_offload *qopt); 658 int lan966x_cbs_del(struct lan966x_port *port, 659 struct tc_cbs_qopt_offload *qopt); 660 661 int lan966x_ets_add(struct lan966x_port *port, 662 struct tc_ets_qopt_offload *qopt); 663 int lan966x_ets_del(struct lan966x_port *port, 664 struct tc_ets_qopt_offload *qopt); 665 666 int lan966x_tc_matchall(struct lan966x_port *port, 667 struct tc_cls_matchall_offload *f, 668 bool ingress); 669 670 int lan966x_police_port_add(struct lan966x_port *port, 671 struct flow_action *action, 672 struct flow_action_entry *act, 673 unsigned long police_id, 674 bool ingress, 675 struct netlink_ext_ack *extack); 676 int lan966x_police_port_del(struct lan966x_port *port, 677 unsigned long police_id, 678 struct netlink_ext_ack *extack); 679 void lan966x_police_port_stats(struct lan966x_port *port, 680 struct flow_stats *stats); 681 682 int lan966x_mirror_port_add(struct lan966x_port *port, 683 struct flow_action_entry *action, 684 unsigned long mirror_id, 685 bool ingress, 686 struct netlink_ext_ack *extack); 687 int lan966x_mirror_port_del(struct lan966x_port *port, 688 bool ingress, 689 struct netlink_ext_ack *extack); 690 void lan966x_mirror_port_stats(struct lan966x_port *port, 691 struct flow_stats *stats, 692 bool ingress); 693 694 int lan966x_xdp_port_init(struct lan966x_port *port); 695 void lan966x_xdp_port_deinit(struct lan966x_port *port); 696 int lan966x_xdp(struct net_device *dev, struct netdev_bpf *xdp); 697 int lan966x_xdp_run(struct lan966x_port *port, 698 struct page *page, 699 u32 data_len); 700 int lan966x_xdp_xmit(struct net_device *dev, 701 int n, 702 struct xdp_frame **frames, 703 u32 flags); 704 bool lan966x_xdp_present(struct lan966x *lan966x); 705 static inline bool lan966x_xdp_port_present(struct lan966x_port *port) 706 { 707 return !!port->xdp_prog; 708 } 709 710 int lan966x_vcap_init(struct lan966x *lan966x); 711 void lan966x_vcap_deinit(struct lan966x *lan966x); 712 #if defined(CONFIG_DEBUG_FS) 713 int lan966x_vcap_port_info(struct net_device *dev, 714 struct vcap_admin *admin, 715 struct vcap_output_print *out); 716 #else 717 static inline int lan966x_vcap_port_info(struct net_device *dev, 718 struct vcap_admin *admin, 719 struct vcap_output_print *out) 720 { 721 return 0; 722 } 723 #endif 724 725 int lan966x_tc_flower(struct lan966x_port *port, 726 struct flow_cls_offload *f, 727 bool ingress); 728 729 int lan966x_goto_port_add(struct lan966x_port *port, 730 int from_cid, int to_cid, 731 unsigned long goto_id, 732 struct netlink_ext_ack *extack); 733 int lan966x_goto_port_del(struct lan966x_port *port, 734 unsigned long goto_id, 735 struct netlink_ext_ack *extack); 736 737 #ifdef CONFIG_LAN966X_DCB 738 void lan966x_dcb_init(struct lan966x *lan966x); 739 #else 740 static inline void lan966x_dcb_init(struct lan966x *lan966x) 741 { 742 } 743 #endif 744 745 static inline void __iomem *lan_addr(void __iomem *base[], 746 int id, int tinst, int tcnt, 747 int gbase, int ginst, 748 int gcnt, int gwidth, 749 int raddr, int rinst, 750 int rcnt, int rwidth) 751 { 752 WARN_ON((tinst) >= tcnt); 753 WARN_ON((ginst) >= gcnt); 754 WARN_ON((rinst) >= rcnt); 755 return base[id + (tinst)] + 756 gbase + ((ginst) * gwidth) + 757 raddr + ((rinst) * rwidth); 758 } 759 760 static inline u32 lan_rd(struct lan966x *lan966x, int id, int tinst, int tcnt, 761 int gbase, int ginst, int gcnt, int gwidth, 762 int raddr, int rinst, int rcnt, int rwidth) 763 { 764 return readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst, 765 gcnt, gwidth, raddr, rinst, rcnt, rwidth)); 766 } 767 768 static inline void lan_wr(u32 val, struct lan966x *lan966x, 769 int id, int tinst, int tcnt, 770 int gbase, int ginst, int gcnt, int gwidth, 771 int raddr, int rinst, int rcnt, int rwidth) 772 { 773 writel(val, lan_addr(lan966x->regs, id, tinst, tcnt, 774 gbase, ginst, gcnt, gwidth, 775 raddr, rinst, rcnt, rwidth)); 776 } 777 778 static inline void lan_rmw(u32 val, u32 mask, struct lan966x *lan966x, 779 int id, int tinst, int tcnt, 780 int gbase, int ginst, int gcnt, int gwidth, 781 int raddr, int rinst, int rcnt, int rwidth) 782 { 783 u32 nval; 784 785 nval = readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst, 786 gcnt, gwidth, raddr, rinst, rcnt, rwidth)); 787 nval = (nval & ~mask) | (val & mask); 788 writel(nval, lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst, 789 gcnt, gwidth, raddr, rinst, rcnt, rwidth)); 790 } 791 792 #endif /* __LAN966X_MAIN_H__ */ 793