1 // SPDX-License-Identifier: (GPL-2.0 OR MIT) 2 /* 3 * Microsemi Ocelot Switch driver 4 * 5 * Copyright (c) 2017 Microsemi Corporation 6 */ 7 #include <linux/etherdevice.h> 8 #include <linux/ethtool.h> 9 #include <linux/if_bridge.h> 10 #include <linux/if_ether.h> 11 #include <linux/if_vlan.h> 12 #include <linux/interrupt.h> 13 #include <linux/kernel.h> 14 #include <linux/module.h> 15 #include <linux/netdevice.h> 16 #include <linux/phy.h> 17 #include <linux/skbuff.h> 18 #include <linux/iopoll.h> 19 #include <net/arp.h> 20 #include <net/netevent.h> 21 #include <net/rtnetlink.h> 22 #include <net/switchdev.h> 23 24 #include "ocelot.h" 25 26 #define TABLE_UPDATE_SLEEP_US 10 27 #define TABLE_UPDATE_TIMEOUT_US 100000 28 29 /* MAC table entry types. 30 * ENTRYTYPE_NORMAL is subject to aging. 31 * ENTRYTYPE_LOCKED is not subject to aging. 32 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast. 33 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast. 34 */ 35 enum macaccess_entry_type { 36 ENTRYTYPE_NORMAL = 0, 37 ENTRYTYPE_LOCKED, 38 ENTRYTYPE_MACv4, 39 ENTRYTYPE_MACv6, 40 }; 41 42 struct ocelot_mact_entry { 43 u8 mac[ETH_ALEN]; 44 u16 vid; 45 enum macaccess_entry_type type; 46 }; 47 48 static inline u32 ocelot_mact_read_macaccess(struct ocelot *ocelot) 49 { 50 return ocelot_read(ocelot, ANA_TABLES_MACACCESS); 51 } 52 53 static inline int ocelot_mact_wait_for_completion(struct ocelot *ocelot) 54 { 55 u32 val; 56 57 return readx_poll_timeout(ocelot_mact_read_macaccess, 58 ocelot, val, 59 (val & ANA_TABLES_MACACCESS_MAC_TABLE_CMD_M) == 60 MACACCESS_CMD_IDLE, 61 TABLE_UPDATE_SLEEP_US, TABLE_UPDATE_TIMEOUT_US); 62 } 63 64 static void ocelot_mact_select(struct ocelot *ocelot, 65 const unsigned char mac[ETH_ALEN], 66 unsigned int vid) 67 { 68 u32 macl = 0, mach = 0; 69 70 /* Set the MAC address to handle and the vlan associated in a format 71 * understood by the hardware. 72 */ 73 mach |= vid << 16; 74 mach |= mac[0] << 8; 75 mach |= mac[1] << 0; 76 macl |= mac[2] << 24; 77 macl |= mac[3] << 16; 78 macl |= mac[4] << 8; 79 macl |= mac[5] << 0; 80 81 ocelot_write(ocelot, macl, ANA_TABLES_MACLDATA); 82 ocelot_write(ocelot, mach, ANA_TABLES_MACHDATA); 83 84 } 85 86 static int ocelot_mact_learn(struct ocelot *ocelot, int port, 87 const unsigned char mac[ETH_ALEN], 88 unsigned int vid, 89 enum macaccess_entry_type type) 90 { 91 ocelot_mact_select(ocelot, mac, vid); 92 93 /* Issue a write command */ 94 ocelot_write(ocelot, ANA_TABLES_MACACCESS_VALID | 95 ANA_TABLES_MACACCESS_DEST_IDX(port) | 96 ANA_TABLES_MACACCESS_ENTRYTYPE(type) | 97 ANA_TABLES_MACACCESS_MAC_TABLE_CMD(MACACCESS_CMD_LEARN), 98 ANA_TABLES_MACACCESS); 99 100 return ocelot_mact_wait_for_completion(ocelot); 101 } 102 103 static int ocelot_mact_forget(struct ocelot *ocelot, 104 const unsigned char mac[ETH_ALEN], 105 unsigned int vid) 106 { 107 ocelot_mact_select(ocelot, mac, vid); 108 109 /* Issue a forget command */ 110 ocelot_write(ocelot, 111 ANA_TABLES_MACACCESS_MAC_TABLE_CMD(MACACCESS_CMD_FORGET), 112 ANA_TABLES_MACACCESS); 113 114 return ocelot_mact_wait_for_completion(ocelot); 115 } 116 117 static void ocelot_mact_init(struct ocelot *ocelot) 118 { 119 /* Configure the learning mode entries attributes: 120 * - Do not copy the frame to the CPU extraction queues. 121 * - Use the vlan and mac_cpoy for dmac lookup. 122 */ 123 ocelot_rmw(ocelot, 0, 124 ANA_AGENCTRL_LEARN_CPU_COPY | ANA_AGENCTRL_IGNORE_DMAC_FLAGS 125 | ANA_AGENCTRL_LEARN_FWD_KILL 126 | ANA_AGENCTRL_LEARN_IGNORE_VLAN, 127 ANA_AGENCTRL); 128 129 /* Clear the MAC table */ 130 ocelot_write(ocelot, MACACCESS_CMD_INIT, ANA_TABLES_MACACCESS); 131 } 132 133 static inline u32 ocelot_vlant_read_vlanaccess(struct ocelot *ocelot) 134 { 135 return ocelot_read(ocelot, ANA_TABLES_VLANACCESS); 136 } 137 138 static inline int ocelot_vlant_wait_for_completion(struct ocelot *ocelot) 139 { 140 u32 val; 141 142 return readx_poll_timeout(ocelot_vlant_read_vlanaccess, 143 ocelot, 144 val, 145 (val & ANA_TABLES_VLANACCESS_VLAN_TBL_CMD_M) == 146 ANA_TABLES_VLANACCESS_CMD_IDLE, 147 TABLE_UPDATE_SLEEP_US, TABLE_UPDATE_TIMEOUT_US); 148 } 149 150 static int ocelot_vlant_set_mask(struct ocelot *ocelot, u16 vid, u32 mask) 151 { 152 /* Select the VID to configure */ 153 ocelot_write(ocelot, ANA_TABLES_VLANTIDX_V_INDEX(vid), 154 ANA_TABLES_VLANTIDX); 155 /* Set the vlan port members mask and issue a write command */ 156 ocelot_write(ocelot, ANA_TABLES_VLANACCESS_VLAN_PORT_MASK(mask) | 157 ANA_TABLES_VLANACCESS_CMD_WRITE, 158 ANA_TABLES_VLANACCESS); 159 160 return ocelot_vlant_wait_for_completion(ocelot); 161 } 162 163 static void ocelot_vlan_mode(struct ocelot_port *port, 164 netdev_features_t features) 165 { 166 struct ocelot *ocelot = port->ocelot; 167 u8 p = port->chip_port; 168 u32 val; 169 170 /* Filtering */ 171 val = ocelot_read(ocelot, ANA_VLANMASK); 172 if (features & NETIF_F_HW_VLAN_CTAG_FILTER) 173 val |= BIT(p); 174 else 175 val &= ~BIT(p); 176 ocelot_write(ocelot, val, ANA_VLANMASK); 177 } 178 179 static void ocelot_vlan_port_apply(struct ocelot *ocelot, 180 struct ocelot_port *port) 181 { 182 u32 val; 183 184 /* Ingress clasification (ANA_PORT_VLAN_CFG) */ 185 /* Default vlan to clasify for untagged frames (may be zero) */ 186 val = ANA_PORT_VLAN_CFG_VLAN_VID(port->pvid); 187 if (port->vlan_aware) 188 val |= ANA_PORT_VLAN_CFG_VLAN_AWARE_ENA | 189 ANA_PORT_VLAN_CFG_VLAN_POP_CNT(1); 190 191 ocelot_rmw_gix(ocelot, val, 192 ANA_PORT_VLAN_CFG_VLAN_VID_M | 193 ANA_PORT_VLAN_CFG_VLAN_AWARE_ENA | 194 ANA_PORT_VLAN_CFG_VLAN_POP_CNT_M, 195 ANA_PORT_VLAN_CFG, port->chip_port); 196 197 /* Drop frames with multicast source address */ 198 val = ANA_PORT_DROP_CFG_DROP_MC_SMAC_ENA; 199 if (port->vlan_aware && !port->vid) 200 /* If port is vlan-aware and tagged, drop untagged and priority 201 * tagged frames. 202 */ 203 val |= ANA_PORT_DROP_CFG_DROP_UNTAGGED_ENA | 204 ANA_PORT_DROP_CFG_DROP_PRIO_S_TAGGED_ENA | 205 ANA_PORT_DROP_CFG_DROP_PRIO_C_TAGGED_ENA; 206 ocelot_write_gix(ocelot, val, ANA_PORT_DROP_CFG, port->chip_port); 207 208 /* Egress configuration (REW_TAG_CFG): VLAN tag type to 8021Q. */ 209 val = REW_TAG_CFG_TAG_TPID_CFG(0); 210 211 if (port->vlan_aware) { 212 if (port->vid) 213 /* Tag all frames except when VID == DEFAULT_VLAN */ 214 val |= REW_TAG_CFG_TAG_CFG(1); 215 else 216 /* Tag all frames */ 217 val |= REW_TAG_CFG_TAG_CFG(3); 218 } 219 ocelot_rmw_gix(ocelot, val, 220 REW_TAG_CFG_TAG_TPID_CFG_M | 221 REW_TAG_CFG_TAG_CFG_M, 222 REW_TAG_CFG, port->chip_port); 223 224 /* Set default VLAN and tag type to 8021Q. */ 225 val = REW_PORT_VLAN_CFG_PORT_TPID(ETH_P_8021Q) | 226 REW_PORT_VLAN_CFG_PORT_VID(port->vid); 227 ocelot_rmw_gix(ocelot, val, 228 REW_PORT_VLAN_CFG_PORT_TPID_M | 229 REW_PORT_VLAN_CFG_PORT_VID_M, 230 REW_PORT_VLAN_CFG, port->chip_port); 231 } 232 233 static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid, 234 bool untagged) 235 { 236 struct ocelot_port *port = netdev_priv(dev); 237 struct ocelot *ocelot = port->ocelot; 238 int ret; 239 240 /* Add the port MAC address to with the right VLAN information */ 241 ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, vid, 242 ENTRYTYPE_LOCKED); 243 244 /* Make the port a member of the VLAN */ 245 ocelot->vlan_mask[vid] |= BIT(port->chip_port); 246 ret = ocelot_vlant_set_mask(ocelot, vid, ocelot->vlan_mask[vid]); 247 if (ret) 248 return ret; 249 250 /* Default ingress vlan classification */ 251 if (pvid) 252 port->pvid = vid; 253 254 /* Untagged egress vlan clasification */ 255 if (untagged) 256 port->vid = vid; 257 258 ocelot_vlan_port_apply(ocelot, port); 259 260 return 0; 261 } 262 263 static int ocelot_vlan_vid_del(struct net_device *dev, u16 vid) 264 { 265 struct ocelot_port *port = netdev_priv(dev); 266 struct ocelot *ocelot = port->ocelot; 267 int ret; 268 269 /* 8021q removes VID 0 on module unload for all interfaces 270 * with VLAN filtering feature. We need to keep it to receive 271 * untagged traffic. 272 */ 273 if (vid == 0) 274 return 0; 275 276 /* Del the port MAC address to with the right VLAN information */ 277 ocelot_mact_forget(ocelot, dev->dev_addr, vid); 278 279 /* Stop the port from being a member of the vlan */ 280 ocelot->vlan_mask[vid] &= ~BIT(port->chip_port); 281 ret = ocelot_vlant_set_mask(ocelot, vid, ocelot->vlan_mask[vid]); 282 if (ret) 283 return ret; 284 285 /* Ingress */ 286 if (port->pvid == vid) 287 port->pvid = 0; 288 289 /* Egress */ 290 if (port->vid == vid) 291 port->vid = 0; 292 293 ocelot_vlan_port_apply(ocelot, port); 294 295 return 0; 296 } 297 298 static void ocelot_vlan_init(struct ocelot *ocelot) 299 { 300 u16 port, vid; 301 302 /* Clear VLAN table, by default all ports are members of all VLANs */ 303 ocelot_write(ocelot, ANA_TABLES_VLANACCESS_CMD_INIT, 304 ANA_TABLES_VLANACCESS); 305 ocelot_vlant_wait_for_completion(ocelot); 306 307 /* Configure the port VLAN memberships */ 308 for (vid = 1; vid < VLAN_N_VID; vid++) { 309 ocelot->vlan_mask[vid] = 0; 310 ocelot_vlant_set_mask(ocelot, vid, ocelot->vlan_mask[vid]); 311 } 312 313 /* Because VLAN filtering is enabled, we need VID 0 to get untagged 314 * traffic. It is added automatically if 8021q module is loaded, but 315 * we can't rely on it since module may be not loaded. 316 */ 317 ocelot->vlan_mask[0] = GENMASK(ocelot->num_phys_ports - 1, 0); 318 ocelot_vlant_set_mask(ocelot, 0, ocelot->vlan_mask[0]); 319 320 /* Configure the CPU port to be VLAN aware */ 321 ocelot_write_gix(ocelot, ANA_PORT_VLAN_CFG_VLAN_VID(0) | 322 ANA_PORT_VLAN_CFG_VLAN_AWARE_ENA | 323 ANA_PORT_VLAN_CFG_VLAN_POP_CNT(1), 324 ANA_PORT_VLAN_CFG, ocelot->num_phys_ports); 325 326 /* Set vlan ingress filter mask to all ports but the CPU port by 327 * default. 328 */ 329 ocelot_write(ocelot, GENMASK(9, 0), ANA_VLANMASK); 330 331 for (port = 0; port < ocelot->num_phys_ports; port++) { 332 ocelot_write_gix(ocelot, 0, REW_PORT_VLAN_CFG, port); 333 ocelot_write_gix(ocelot, 0, REW_TAG_CFG, port); 334 } 335 } 336 337 /* Watermark encode 338 * Bit 8: Unit; 0:1, 1:16 339 * Bit 7-0: Value to be multiplied with unit 340 */ 341 static u16 ocelot_wm_enc(u16 value) 342 { 343 if (value >= BIT(8)) 344 return BIT(8) | (value / 16); 345 346 return value; 347 } 348 349 static void ocelot_port_adjust_link(struct net_device *dev) 350 { 351 struct ocelot_port *port = netdev_priv(dev); 352 struct ocelot *ocelot = port->ocelot; 353 u8 p = port->chip_port; 354 int speed, atop_wm, mode = 0; 355 356 switch (dev->phydev->speed) { 357 case SPEED_10: 358 speed = OCELOT_SPEED_10; 359 break; 360 case SPEED_100: 361 speed = OCELOT_SPEED_100; 362 break; 363 case SPEED_1000: 364 speed = OCELOT_SPEED_1000; 365 mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA; 366 break; 367 case SPEED_2500: 368 speed = OCELOT_SPEED_2500; 369 mode = DEV_MAC_MODE_CFG_GIGA_MODE_ENA; 370 break; 371 default: 372 netdev_err(dev, "Unsupported PHY speed: %d\n", 373 dev->phydev->speed); 374 return; 375 } 376 377 phy_print_status(dev->phydev); 378 379 if (!dev->phydev->link) 380 return; 381 382 /* Only full duplex supported for now */ 383 ocelot_port_writel(port, DEV_MAC_MODE_CFG_FDX_ENA | 384 mode, DEV_MAC_MODE_CFG); 385 386 /* Set MAC IFG Gaps 387 * FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 0 388 * !FDX: TX_IFG = 5, RX_IFG1 = RX_IFG2 = 5 389 */ 390 ocelot_port_writel(port, DEV_MAC_IFG_CFG_TX_IFG(5), DEV_MAC_IFG_CFG); 391 392 /* Load seed (0) and set MAC HDX late collision */ 393 ocelot_port_writel(port, DEV_MAC_HDX_CFG_LATE_COL_POS(67) | 394 DEV_MAC_HDX_CFG_SEED_LOAD, 395 DEV_MAC_HDX_CFG); 396 mdelay(1); 397 ocelot_port_writel(port, DEV_MAC_HDX_CFG_LATE_COL_POS(67), 398 DEV_MAC_HDX_CFG); 399 400 /* Disable HDX fast control */ 401 ocelot_port_writel(port, DEV_PORT_MISC_HDX_FAST_DIS, DEV_PORT_MISC); 402 403 /* SGMII only for now */ 404 ocelot_port_writel(port, PCS1G_MODE_CFG_SGMII_MODE_ENA, PCS1G_MODE_CFG); 405 ocelot_port_writel(port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG); 406 407 /* Enable PCS */ 408 ocelot_port_writel(port, PCS1G_CFG_PCS_ENA, PCS1G_CFG); 409 410 /* No aneg on SGMII */ 411 ocelot_port_writel(port, 0, PCS1G_ANEG_CFG); 412 413 /* No loopback */ 414 ocelot_port_writel(port, 0, PCS1G_LB_CFG); 415 416 /* Set Max Length and maximum tags allowed */ 417 ocelot_port_writel(port, VLAN_ETH_FRAME_LEN, DEV_MAC_MAXLEN_CFG); 418 ocelot_port_writel(port, DEV_MAC_TAGS_CFG_TAG_ID(ETH_P_8021AD) | 419 DEV_MAC_TAGS_CFG_VLAN_AWR_ENA | 420 DEV_MAC_TAGS_CFG_VLAN_LEN_AWR_ENA, 421 DEV_MAC_TAGS_CFG); 422 423 /* Enable MAC module */ 424 ocelot_port_writel(port, DEV_MAC_ENA_CFG_RX_ENA | 425 DEV_MAC_ENA_CFG_TX_ENA, DEV_MAC_ENA_CFG); 426 427 /* Take MAC, Port, Phy (intern) and PCS (SGMII/Serdes) clock out of 428 * reset */ 429 ocelot_port_writel(port, DEV_CLOCK_CFG_LINK_SPEED(speed), 430 DEV_CLOCK_CFG); 431 432 /* Set SMAC of Pause frame (00:00:00:00:00:00) */ 433 ocelot_port_writel(port, 0, DEV_MAC_FC_MAC_HIGH_CFG); 434 ocelot_port_writel(port, 0, DEV_MAC_FC_MAC_LOW_CFG); 435 436 /* No PFC */ 437 ocelot_write_gix(ocelot, ANA_PFC_PFC_CFG_FC_LINK_SPEED(speed), 438 ANA_PFC_PFC_CFG, p); 439 440 /* Set Pause WM hysteresis 441 * 152 = 6 * VLAN_ETH_FRAME_LEN / OCELOT_BUFFER_CELL_SZ 442 * 101 = 4 * VLAN_ETH_FRAME_LEN / OCELOT_BUFFER_CELL_SZ 443 */ 444 ocelot_write_rix(ocelot, SYS_PAUSE_CFG_PAUSE_ENA | 445 SYS_PAUSE_CFG_PAUSE_STOP(101) | 446 SYS_PAUSE_CFG_PAUSE_START(152), SYS_PAUSE_CFG, p); 447 448 /* Core: Enable port for frame transfer */ 449 ocelot_write_rix(ocelot, QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE | 450 QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG(1) | 451 QSYS_SWITCH_PORT_MODE_PORT_ENA, 452 QSYS_SWITCH_PORT_MODE, p); 453 454 /* Flow control */ 455 ocelot_write_rix(ocelot, SYS_MAC_FC_CFG_PAUSE_VAL_CFG(0xffff) | 456 SYS_MAC_FC_CFG_RX_FC_ENA | SYS_MAC_FC_CFG_TX_FC_ENA | 457 SYS_MAC_FC_CFG_ZERO_PAUSE_ENA | 458 SYS_MAC_FC_CFG_FC_LATENCY_CFG(0x7) | 459 SYS_MAC_FC_CFG_FC_LINK_SPEED(speed), 460 SYS_MAC_FC_CFG, p); 461 ocelot_write_rix(ocelot, 0, ANA_POL_FLOWC, p); 462 463 /* Tail dropping watermark */ 464 atop_wm = (ocelot->shared_queue_sz - 9 * VLAN_ETH_FRAME_LEN) / OCELOT_BUFFER_CELL_SZ; 465 ocelot_write_rix(ocelot, ocelot_wm_enc(9 * VLAN_ETH_FRAME_LEN), 466 SYS_ATOP, p); 467 ocelot_write(ocelot, ocelot_wm_enc(atop_wm), SYS_ATOP_TOT_CFG); 468 } 469 470 static int ocelot_port_open(struct net_device *dev) 471 { 472 struct ocelot_port *port = netdev_priv(dev); 473 struct ocelot *ocelot = port->ocelot; 474 int err; 475 476 /* Enable receiving frames on the port, and activate auto-learning of 477 * MAC addresses. 478 */ 479 ocelot_write_gix(ocelot, ANA_PORT_PORT_CFG_LEARNAUTO | 480 ANA_PORT_PORT_CFG_RECV_ENA | 481 ANA_PORT_PORT_CFG_PORTID_VAL(port->chip_port), 482 ANA_PORT_PORT_CFG, port->chip_port); 483 484 if (port->serdes) { 485 err = phy_set_mode_ext(port->serdes, PHY_MODE_ETHERNET, 486 port->phy_mode); 487 if (err) { 488 netdev_err(dev, "Could not set mode of SerDes\n"); 489 return err; 490 } 491 } 492 493 err = phy_connect_direct(dev, port->phy, &ocelot_port_adjust_link, 494 port->phy_mode); 495 if (err) { 496 netdev_err(dev, "Could not attach to PHY\n"); 497 return err; 498 } 499 500 dev->phydev = port->phy; 501 502 phy_attached_info(port->phy); 503 phy_start(port->phy); 504 return 0; 505 } 506 507 static int ocelot_port_stop(struct net_device *dev) 508 { 509 struct ocelot_port *port = netdev_priv(dev); 510 511 phy_disconnect(port->phy); 512 513 dev->phydev = NULL; 514 515 ocelot_port_writel(port, 0, DEV_MAC_ENA_CFG); 516 ocelot_rmw_rix(port->ocelot, 0, QSYS_SWITCH_PORT_MODE_PORT_ENA, 517 QSYS_SWITCH_PORT_MODE, port->chip_port); 518 return 0; 519 } 520 521 /* Generate the IFH for frame injection 522 * 523 * The IFH is a 128bit-value 524 * bit 127: bypass the analyzer processing 525 * bit 56-67: destination mask 526 * bit 28-29: pop_cnt: 3 disables all rewriting of the frame 527 * bit 20-27: cpu extraction queue mask 528 * bit 16: tag type 0: C-tag, 1: S-tag 529 * bit 0-11: VID 530 */ 531 static int ocelot_gen_ifh(u32 *ifh, struct frame_info *info) 532 { 533 ifh[0] = IFH_INJ_BYPASS; 534 ifh[1] = (0xf00 & info->port) >> 8; 535 ifh[2] = (0xff & info->port) << 24; 536 ifh[3] = (info->tag_type << 16) | info->vid; 537 538 return 0; 539 } 540 541 static int ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev) 542 { 543 struct ocelot_port *port = netdev_priv(dev); 544 struct ocelot *ocelot = port->ocelot; 545 u32 val, ifh[IFH_LEN]; 546 struct frame_info info = {}; 547 u8 grp = 0; /* Send everything on CPU group 0 */ 548 unsigned int i, count, last; 549 550 val = ocelot_read(ocelot, QS_INJ_STATUS); 551 if (!(val & QS_INJ_STATUS_FIFO_RDY(BIT(grp))) || 552 (val & QS_INJ_STATUS_WMARK_REACHED(BIT(grp)))) 553 return NETDEV_TX_BUSY; 554 555 ocelot_write_rix(ocelot, QS_INJ_CTRL_GAP_SIZE(1) | 556 QS_INJ_CTRL_SOF, QS_INJ_CTRL, grp); 557 558 info.port = BIT(port->chip_port); 559 info.tag_type = IFH_TAG_TYPE_C; 560 info.vid = skb_vlan_tag_get(skb); 561 ocelot_gen_ifh(ifh, &info); 562 563 for (i = 0; i < IFH_LEN; i++) 564 ocelot_write_rix(ocelot, (__force u32)cpu_to_be32(ifh[i]), 565 QS_INJ_WR, grp); 566 567 count = (skb->len + 3) / 4; 568 last = skb->len % 4; 569 for (i = 0; i < count; i++) { 570 ocelot_write_rix(ocelot, ((u32 *)skb->data)[i], QS_INJ_WR, grp); 571 } 572 573 /* Add padding */ 574 while (i < (OCELOT_BUFFER_CELL_SZ / 4)) { 575 ocelot_write_rix(ocelot, 0, QS_INJ_WR, grp); 576 i++; 577 } 578 579 /* Indicate EOF and valid bytes in last word */ 580 ocelot_write_rix(ocelot, QS_INJ_CTRL_GAP_SIZE(1) | 581 QS_INJ_CTRL_VLD_BYTES(skb->len < OCELOT_BUFFER_CELL_SZ ? 0 : last) | 582 QS_INJ_CTRL_EOF, 583 QS_INJ_CTRL, grp); 584 585 /* Add dummy CRC */ 586 ocelot_write_rix(ocelot, 0, QS_INJ_WR, grp); 587 skb_tx_timestamp(skb); 588 589 dev->stats.tx_packets++; 590 dev->stats.tx_bytes += skb->len; 591 dev_kfree_skb_any(skb); 592 593 return NETDEV_TX_OK; 594 } 595 596 static void ocelot_mact_mc_reset(struct ocelot_port *port) 597 { 598 struct ocelot *ocelot = port->ocelot; 599 struct netdev_hw_addr *ha, *n; 600 601 /* Free and forget all the MAC addresses stored in the port private mc 602 * list. These are mc addresses that were previously added by calling 603 * ocelot_mact_mc_add(). 604 */ 605 list_for_each_entry_safe(ha, n, &port->mc, list) { 606 ocelot_mact_forget(ocelot, ha->addr, port->pvid); 607 list_del(&ha->list); 608 kfree(ha); 609 } 610 } 611 612 static int ocelot_mact_mc_add(struct ocelot_port *port, 613 struct netdev_hw_addr *hw_addr) 614 { 615 struct ocelot *ocelot = port->ocelot; 616 struct netdev_hw_addr *ha = kzalloc(sizeof(*ha), GFP_KERNEL); 617 618 if (!ha) 619 return -ENOMEM; 620 621 memcpy(ha, hw_addr, sizeof(*ha)); 622 list_add_tail(&ha->list, &port->mc); 623 624 ocelot_mact_learn(ocelot, PGID_CPU, ha->addr, port->pvid, 625 ENTRYTYPE_LOCKED); 626 627 return 0; 628 } 629 630 static void ocelot_set_rx_mode(struct net_device *dev) 631 { 632 struct ocelot_port *port = netdev_priv(dev); 633 struct ocelot *ocelot = port->ocelot; 634 struct netdev_hw_addr *ha; 635 int i; 636 u32 val; 637 638 /* This doesn't handle promiscuous mode because the bridge core is 639 * setting IFF_PROMISC on all slave interfaces and all frames would be 640 * forwarded to the CPU port. 641 */ 642 val = GENMASK(ocelot->num_phys_ports - 1, 0); 643 for (i = ocelot->num_phys_ports + 1; i < PGID_CPU; i++) 644 ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i); 645 646 /* Handle the device multicast addresses. First remove all the 647 * previously installed addresses and then add the latest ones to the 648 * mac table. 649 */ 650 ocelot_mact_mc_reset(port); 651 netdev_for_each_mc_addr(ha, dev) 652 ocelot_mact_mc_add(port, ha); 653 } 654 655 static int ocelot_port_get_phys_port_name(struct net_device *dev, 656 char *buf, size_t len) 657 { 658 struct ocelot_port *port = netdev_priv(dev); 659 int ret; 660 661 ret = snprintf(buf, len, "p%d", port->chip_port); 662 if (ret >= len) 663 return -EINVAL; 664 665 return 0; 666 } 667 668 static int ocelot_port_set_mac_address(struct net_device *dev, void *p) 669 { 670 struct ocelot_port *port = netdev_priv(dev); 671 struct ocelot *ocelot = port->ocelot; 672 const struct sockaddr *addr = p; 673 674 /* Learn the new net device MAC address in the mac table. */ 675 ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data, port->pvid, 676 ENTRYTYPE_LOCKED); 677 /* Then forget the previous one. */ 678 ocelot_mact_forget(ocelot, dev->dev_addr, port->pvid); 679 680 ether_addr_copy(dev->dev_addr, addr->sa_data); 681 return 0; 682 } 683 684 static void ocelot_get_stats64(struct net_device *dev, 685 struct rtnl_link_stats64 *stats) 686 { 687 struct ocelot_port *port = netdev_priv(dev); 688 struct ocelot *ocelot = port->ocelot; 689 690 /* Configure the port to read the stats from */ 691 ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port->chip_port), 692 SYS_STAT_CFG); 693 694 /* Get Rx stats */ 695 stats->rx_bytes = ocelot_read(ocelot, SYS_COUNT_RX_OCTETS); 696 stats->rx_packets = ocelot_read(ocelot, SYS_COUNT_RX_SHORTS) + 697 ocelot_read(ocelot, SYS_COUNT_RX_FRAGMENTS) + 698 ocelot_read(ocelot, SYS_COUNT_RX_JABBERS) + 699 ocelot_read(ocelot, SYS_COUNT_RX_LONGS) + 700 ocelot_read(ocelot, SYS_COUNT_RX_64) + 701 ocelot_read(ocelot, SYS_COUNT_RX_65_127) + 702 ocelot_read(ocelot, SYS_COUNT_RX_128_255) + 703 ocelot_read(ocelot, SYS_COUNT_RX_256_1023) + 704 ocelot_read(ocelot, SYS_COUNT_RX_1024_1526) + 705 ocelot_read(ocelot, SYS_COUNT_RX_1527_MAX); 706 stats->multicast = ocelot_read(ocelot, SYS_COUNT_RX_MULTICAST); 707 stats->rx_dropped = dev->stats.rx_dropped; 708 709 /* Get Tx stats */ 710 stats->tx_bytes = ocelot_read(ocelot, SYS_COUNT_TX_OCTETS); 711 stats->tx_packets = ocelot_read(ocelot, SYS_COUNT_TX_64) + 712 ocelot_read(ocelot, SYS_COUNT_TX_65_127) + 713 ocelot_read(ocelot, SYS_COUNT_TX_128_511) + 714 ocelot_read(ocelot, SYS_COUNT_TX_512_1023) + 715 ocelot_read(ocelot, SYS_COUNT_TX_1024_1526) + 716 ocelot_read(ocelot, SYS_COUNT_TX_1527_MAX); 717 stats->tx_dropped = ocelot_read(ocelot, SYS_COUNT_TX_DROPS) + 718 ocelot_read(ocelot, SYS_COUNT_TX_AGING); 719 stats->collisions = ocelot_read(ocelot, SYS_COUNT_TX_COLLISION); 720 } 721 722 static int ocelot_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 723 struct net_device *dev, const unsigned char *addr, 724 u16 vid, u16 flags, 725 struct netlink_ext_ack *extack) 726 { 727 struct ocelot_port *port = netdev_priv(dev); 728 struct ocelot *ocelot = port->ocelot; 729 730 if (!vid) { 731 if (!port->vlan_aware) 732 /* If the bridge is not VLAN aware and no VID was 733 * provided, set it to pvid to ensure the MAC entry 734 * matches incoming untagged packets 735 */ 736 vid = port->pvid; 737 else 738 /* If the bridge is VLAN aware a VID must be provided as 739 * otherwise the learnt entry wouldn't match any frame. 740 */ 741 return -EINVAL; 742 } 743 744 return ocelot_mact_learn(ocelot, port->chip_port, addr, vid, 745 ENTRYTYPE_LOCKED); 746 } 747 748 static int ocelot_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 749 struct net_device *dev, 750 const unsigned char *addr, u16 vid) 751 { 752 struct ocelot_port *port = netdev_priv(dev); 753 struct ocelot *ocelot = port->ocelot; 754 755 return ocelot_mact_forget(ocelot, addr, vid); 756 } 757 758 struct ocelot_dump_ctx { 759 struct net_device *dev; 760 struct sk_buff *skb; 761 struct netlink_callback *cb; 762 int idx; 763 }; 764 765 static int ocelot_fdb_do_dump(struct ocelot_mact_entry *entry, 766 struct ocelot_dump_ctx *dump) 767 { 768 u32 portid = NETLINK_CB(dump->cb->skb).portid; 769 u32 seq = dump->cb->nlh->nlmsg_seq; 770 struct nlmsghdr *nlh; 771 struct ndmsg *ndm; 772 773 if (dump->idx < dump->cb->args[2]) 774 goto skip; 775 776 nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH, 777 sizeof(*ndm), NLM_F_MULTI); 778 if (!nlh) 779 return -EMSGSIZE; 780 781 ndm = nlmsg_data(nlh); 782 ndm->ndm_family = AF_BRIDGE; 783 ndm->ndm_pad1 = 0; 784 ndm->ndm_pad2 = 0; 785 ndm->ndm_flags = NTF_SELF; 786 ndm->ndm_type = 0; 787 ndm->ndm_ifindex = dump->dev->ifindex; 788 ndm->ndm_state = NUD_REACHABLE; 789 790 if (nla_put(dump->skb, NDA_LLADDR, ETH_ALEN, entry->mac)) 791 goto nla_put_failure; 792 793 if (entry->vid && nla_put_u16(dump->skb, NDA_VLAN, entry->vid)) 794 goto nla_put_failure; 795 796 nlmsg_end(dump->skb, nlh); 797 798 skip: 799 dump->idx++; 800 return 0; 801 802 nla_put_failure: 803 nlmsg_cancel(dump->skb, nlh); 804 return -EMSGSIZE; 805 } 806 807 static inline int ocelot_mact_read(struct ocelot_port *port, int row, int col, 808 struct ocelot_mact_entry *entry) 809 { 810 struct ocelot *ocelot = port->ocelot; 811 char mac[ETH_ALEN]; 812 u32 val, dst, macl, mach; 813 814 /* Set row and column to read from */ 815 ocelot_field_write(ocelot, ANA_TABLES_MACTINDX_M_INDEX, row); 816 ocelot_field_write(ocelot, ANA_TABLES_MACTINDX_BUCKET, col); 817 818 /* Issue a read command */ 819 ocelot_write(ocelot, 820 ANA_TABLES_MACACCESS_MAC_TABLE_CMD(MACACCESS_CMD_READ), 821 ANA_TABLES_MACACCESS); 822 823 if (ocelot_mact_wait_for_completion(ocelot)) 824 return -ETIMEDOUT; 825 826 /* Read the entry flags */ 827 val = ocelot_read(ocelot, ANA_TABLES_MACACCESS); 828 if (!(val & ANA_TABLES_MACACCESS_VALID)) 829 return -EINVAL; 830 831 /* If the entry read has another port configured as its destination, 832 * do not report it. 833 */ 834 dst = (val & ANA_TABLES_MACACCESS_DEST_IDX_M) >> 3; 835 if (dst != port->chip_port) 836 return -EINVAL; 837 838 /* Get the entry's MAC address and VLAN id */ 839 macl = ocelot_read(ocelot, ANA_TABLES_MACLDATA); 840 mach = ocelot_read(ocelot, ANA_TABLES_MACHDATA); 841 842 mac[0] = (mach >> 8) & 0xff; 843 mac[1] = (mach >> 0) & 0xff; 844 mac[2] = (macl >> 24) & 0xff; 845 mac[3] = (macl >> 16) & 0xff; 846 mac[4] = (macl >> 8) & 0xff; 847 mac[5] = (macl >> 0) & 0xff; 848 849 entry->vid = (mach >> 16) & 0xfff; 850 ether_addr_copy(entry->mac, mac); 851 852 return 0; 853 } 854 855 static int ocelot_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, 856 struct net_device *dev, 857 struct net_device *filter_dev, int *idx) 858 { 859 struct ocelot_port *port = netdev_priv(dev); 860 int i, j, ret = 0; 861 struct ocelot_dump_ctx dump = { 862 .dev = dev, 863 .skb = skb, 864 .cb = cb, 865 .idx = *idx, 866 }; 867 868 struct ocelot_mact_entry entry; 869 870 /* Loop through all the mac tables entries. There are 1024 rows of 4 871 * entries. 872 */ 873 for (i = 0; i < 1024; i++) { 874 for (j = 0; j < 4; j++) { 875 ret = ocelot_mact_read(port, i, j, &entry); 876 /* If the entry is invalid (wrong port, invalid...), 877 * skip it. 878 */ 879 if (ret == -EINVAL) 880 continue; 881 else if (ret) 882 goto end; 883 884 ret = ocelot_fdb_do_dump(&entry, &dump); 885 if (ret) 886 goto end; 887 } 888 } 889 890 end: 891 *idx = dump.idx; 892 return ret; 893 } 894 895 static int ocelot_vlan_rx_add_vid(struct net_device *dev, __be16 proto, 896 u16 vid) 897 { 898 return ocelot_vlan_vid_add(dev, vid, false, true); 899 } 900 901 static int ocelot_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, 902 u16 vid) 903 { 904 return ocelot_vlan_vid_del(dev, vid); 905 } 906 907 static int ocelot_set_features(struct net_device *dev, 908 netdev_features_t features) 909 { 910 struct ocelot_port *port = netdev_priv(dev); 911 netdev_features_t changed = dev->features ^ features; 912 913 if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) 914 ocelot_vlan_mode(port, features); 915 916 return 0; 917 } 918 919 static int ocelot_get_port_parent_id(struct net_device *dev, 920 struct netdev_phys_item_id *ppid) 921 { 922 struct ocelot_port *ocelot_port = netdev_priv(dev); 923 struct ocelot *ocelot = ocelot_port->ocelot; 924 925 ppid->id_len = sizeof(ocelot->base_mac); 926 memcpy(&ppid->id, &ocelot->base_mac, ppid->id_len); 927 928 return 0; 929 } 930 931 static const struct net_device_ops ocelot_port_netdev_ops = { 932 .ndo_open = ocelot_port_open, 933 .ndo_stop = ocelot_port_stop, 934 .ndo_start_xmit = ocelot_port_xmit, 935 .ndo_set_rx_mode = ocelot_set_rx_mode, 936 .ndo_get_phys_port_name = ocelot_port_get_phys_port_name, 937 .ndo_set_mac_address = ocelot_port_set_mac_address, 938 .ndo_get_stats64 = ocelot_get_stats64, 939 .ndo_fdb_add = ocelot_fdb_add, 940 .ndo_fdb_del = ocelot_fdb_del, 941 .ndo_fdb_dump = ocelot_fdb_dump, 942 .ndo_vlan_rx_add_vid = ocelot_vlan_rx_add_vid, 943 .ndo_vlan_rx_kill_vid = ocelot_vlan_rx_kill_vid, 944 .ndo_set_features = ocelot_set_features, 945 .ndo_get_port_parent_id = ocelot_get_port_parent_id, 946 }; 947 948 static void ocelot_get_strings(struct net_device *netdev, u32 sset, u8 *data) 949 { 950 struct ocelot_port *port = netdev_priv(netdev); 951 struct ocelot *ocelot = port->ocelot; 952 int i; 953 954 if (sset != ETH_SS_STATS) 955 return; 956 957 for (i = 0; i < ocelot->num_stats; i++) 958 memcpy(data + i * ETH_GSTRING_LEN, ocelot->stats_layout[i].name, 959 ETH_GSTRING_LEN); 960 } 961 962 static void ocelot_check_stats(struct work_struct *work) 963 { 964 struct delayed_work *del_work = to_delayed_work(work); 965 struct ocelot *ocelot = container_of(del_work, struct ocelot, stats_work); 966 int i, j; 967 968 mutex_lock(&ocelot->stats_lock); 969 970 for (i = 0; i < ocelot->num_phys_ports; i++) { 971 /* Configure the port to read the stats from */ 972 ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(i), SYS_STAT_CFG); 973 974 for (j = 0; j < ocelot->num_stats; j++) { 975 u32 val; 976 unsigned int idx = i * ocelot->num_stats + j; 977 978 val = ocelot_read_rix(ocelot, SYS_COUNT_RX_OCTETS, 979 ocelot->stats_layout[j].offset); 980 981 if (val < (ocelot->stats[idx] & U32_MAX)) 982 ocelot->stats[idx] += (u64)1 << 32; 983 984 ocelot->stats[idx] = (ocelot->stats[idx] & 985 ~(u64)U32_MAX) + val; 986 } 987 } 988 989 cancel_delayed_work(&ocelot->stats_work); 990 queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work, 991 OCELOT_STATS_CHECK_DELAY); 992 993 mutex_unlock(&ocelot->stats_lock); 994 } 995 996 static void ocelot_get_ethtool_stats(struct net_device *dev, 997 struct ethtool_stats *stats, u64 *data) 998 { 999 struct ocelot_port *port = netdev_priv(dev); 1000 struct ocelot *ocelot = port->ocelot; 1001 int i; 1002 1003 /* check and update now */ 1004 ocelot_check_stats(&ocelot->stats_work.work); 1005 1006 /* Copy all counters */ 1007 for (i = 0; i < ocelot->num_stats; i++) 1008 *data++ = ocelot->stats[port->chip_port * ocelot->num_stats + i]; 1009 } 1010 1011 static int ocelot_get_sset_count(struct net_device *dev, int sset) 1012 { 1013 struct ocelot_port *port = netdev_priv(dev); 1014 struct ocelot *ocelot = port->ocelot; 1015 1016 if (sset != ETH_SS_STATS) 1017 return -EOPNOTSUPP; 1018 return ocelot->num_stats; 1019 } 1020 1021 static const struct ethtool_ops ocelot_ethtool_ops = { 1022 .get_strings = ocelot_get_strings, 1023 .get_ethtool_stats = ocelot_get_ethtool_stats, 1024 .get_sset_count = ocelot_get_sset_count, 1025 .get_link_ksettings = phy_ethtool_get_link_ksettings, 1026 .set_link_ksettings = phy_ethtool_set_link_ksettings, 1027 }; 1028 1029 static int ocelot_port_attr_stp_state_set(struct ocelot_port *ocelot_port, 1030 struct switchdev_trans *trans, 1031 u8 state) 1032 { 1033 struct ocelot *ocelot = ocelot_port->ocelot; 1034 u32 port_cfg; 1035 int port, i; 1036 1037 if (switchdev_trans_ph_prepare(trans)) 1038 return 0; 1039 1040 if (!(BIT(ocelot_port->chip_port) & ocelot->bridge_mask)) 1041 return 0; 1042 1043 port_cfg = ocelot_read_gix(ocelot, ANA_PORT_PORT_CFG, 1044 ocelot_port->chip_port); 1045 1046 switch (state) { 1047 case BR_STATE_FORWARDING: 1048 ocelot->bridge_fwd_mask |= BIT(ocelot_port->chip_port); 1049 /* Fallthrough */ 1050 case BR_STATE_LEARNING: 1051 port_cfg |= ANA_PORT_PORT_CFG_LEARN_ENA; 1052 break; 1053 1054 default: 1055 port_cfg &= ~ANA_PORT_PORT_CFG_LEARN_ENA; 1056 ocelot->bridge_fwd_mask &= ~BIT(ocelot_port->chip_port); 1057 break; 1058 } 1059 1060 ocelot_write_gix(ocelot, port_cfg, ANA_PORT_PORT_CFG, 1061 ocelot_port->chip_port); 1062 1063 /* Apply FWD mask. The loop is needed to add/remove the current port as 1064 * a source for the other ports. 1065 */ 1066 for (port = 0; port < ocelot->num_phys_ports; port++) { 1067 if (ocelot->bridge_fwd_mask & BIT(port)) { 1068 unsigned long mask = ocelot->bridge_fwd_mask & ~BIT(port); 1069 1070 for (i = 0; i < ocelot->num_phys_ports; i++) { 1071 unsigned long bond_mask = ocelot->lags[i]; 1072 1073 if (!bond_mask) 1074 continue; 1075 1076 if (bond_mask & BIT(port)) { 1077 mask &= ~bond_mask; 1078 break; 1079 } 1080 } 1081 1082 ocelot_write_rix(ocelot, 1083 BIT(ocelot->num_phys_ports) | mask, 1084 ANA_PGID_PGID, PGID_SRC + port); 1085 } else { 1086 /* Only the CPU port, this is compatible with link 1087 * aggregation. 1088 */ 1089 ocelot_write_rix(ocelot, 1090 BIT(ocelot->num_phys_ports), 1091 ANA_PGID_PGID, PGID_SRC + port); 1092 } 1093 } 1094 1095 return 0; 1096 } 1097 1098 static void ocelot_port_attr_ageing_set(struct ocelot_port *ocelot_port, 1099 unsigned long ageing_clock_t) 1100 { 1101 struct ocelot *ocelot = ocelot_port->ocelot; 1102 unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t); 1103 u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000; 1104 1105 ocelot_write(ocelot, ANA_AUTOAGE_AGE_PERIOD(ageing_time / 2), 1106 ANA_AUTOAGE); 1107 } 1108 1109 static void ocelot_port_attr_mc_set(struct ocelot_port *port, bool mc) 1110 { 1111 struct ocelot *ocelot = port->ocelot; 1112 u32 val = ocelot_read_gix(ocelot, ANA_PORT_CPU_FWD_CFG, 1113 port->chip_port); 1114 1115 if (mc) 1116 val |= ANA_PORT_CPU_FWD_CFG_CPU_IGMP_REDIR_ENA | 1117 ANA_PORT_CPU_FWD_CFG_CPU_MLD_REDIR_ENA | 1118 ANA_PORT_CPU_FWD_CFG_CPU_IPMC_CTRL_COPY_ENA; 1119 else 1120 val &= ~(ANA_PORT_CPU_FWD_CFG_CPU_IGMP_REDIR_ENA | 1121 ANA_PORT_CPU_FWD_CFG_CPU_MLD_REDIR_ENA | 1122 ANA_PORT_CPU_FWD_CFG_CPU_IPMC_CTRL_COPY_ENA); 1123 1124 ocelot_write_gix(ocelot, val, ANA_PORT_CPU_FWD_CFG, port->chip_port); 1125 } 1126 1127 static int ocelot_port_attr_set(struct net_device *dev, 1128 const struct switchdev_attr *attr, 1129 struct switchdev_trans *trans) 1130 { 1131 struct ocelot_port *ocelot_port = netdev_priv(dev); 1132 int err = 0; 1133 1134 switch (attr->id) { 1135 case SWITCHDEV_ATTR_ID_PORT_STP_STATE: 1136 ocelot_port_attr_stp_state_set(ocelot_port, trans, 1137 attr->u.stp_state); 1138 break; 1139 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: 1140 ocelot_port_attr_ageing_set(ocelot_port, attr->u.ageing_time); 1141 break; 1142 case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: 1143 ocelot_port->vlan_aware = attr->u.vlan_filtering; 1144 ocelot_vlan_port_apply(ocelot_port->ocelot, ocelot_port); 1145 break; 1146 case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED: 1147 ocelot_port_attr_mc_set(ocelot_port, !attr->u.mc_disabled); 1148 break; 1149 default: 1150 err = -EOPNOTSUPP; 1151 break; 1152 } 1153 1154 return err; 1155 } 1156 1157 static int ocelot_port_obj_add_vlan(struct net_device *dev, 1158 const struct switchdev_obj_port_vlan *vlan, 1159 struct switchdev_trans *trans) 1160 { 1161 int ret; 1162 u16 vid; 1163 1164 for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { 1165 ret = ocelot_vlan_vid_add(dev, vid, 1166 vlan->flags & BRIDGE_VLAN_INFO_PVID, 1167 vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED); 1168 if (ret) 1169 return ret; 1170 } 1171 1172 return 0; 1173 } 1174 1175 static int ocelot_port_vlan_del_vlan(struct net_device *dev, 1176 const struct switchdev_obj_port_vlan *vlan) 1177 { 1178 int ret; 1179 u16 vid; 1180 1181 for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { 1182 ret = ocelot_vlan_vid_del(dev, vid); 1183 1184 if (ret) 1185 return ret; 1186 } 1187 1188 return 0; 1189 } 1190 1191 static struct ocelot_multicast *ocelot_multicast_get(struct ocelot *ocelot, 1192 const unsigned char *addr, 1193 u16 vid) 1194 { 1195 struct ocelot_multicast *mc; 1196 1197 list_for_each_entry(mc, &ocelot->multicast, list) { 1198 if (ether_addr_equal(mc->addr, addr) && mc->vid == vid) 1199 return mc; 1200 } 1201 1202 return NULL; 1203 } 1204 1205 static int ocelot_port_obj_add_mdb(struct net_device *dev, 1206 const struct switchdev_obj_port_mdb *mdb, 1207 struct switchdev_trans *trans) 1208 { 1209 struct ocelot_port *port = netdev_priv(dev); 1210 struct ocelot *ocelot = port->ocelot; 1211 struct ocelot_multicast *mc; 1212 unsigned char addr[ETH_ALEN]; 1213 u16 vid = mdb->vid; 1214 bool new = false; 1215 1216 if (!vid) 1217 vid = port->pvid; 1218 1219 mc = ocelot_multicast_get(ocelot, mdb->addr, vid); 1220 if (!mc) { 1221 mc = devm_kzalloc(ocelot->dev, sizeof(*mc), GFP_KERNEL); 1222 if (!mc) 1223 return -ENOMEM; 1224 1225 memcpy(mc->addr, mdb->addr, ETH_ALEN); 1226 mc->vid = vid; 1227 1228 list_add_tail(&mc->list, &ocelot->multicast); 1229 new = true; 1230 } 1231 1232 memcpy(addr, mc->addr, ETH_ALEN); 1233 addr[0] = 0; 1234 1235 if (!new) { 1236 addr[2] = mc->ports << 0; 1237 addr[1] = mc->ports << 8; 1238 ocelot_mact_forget(ocelot, addr, vid); 1239 } 1240 1241 mc->ports |= BIT(port->chip_port); 1242 addr[2] = mc->ports << 0; 1243 addr[1] = mc->ports << 8; 1244 1245 return ocelot_mact_learn(ocelot, 0, addr, vid, ENTRYTYPE_MACv4); 1246 } 1247 1248 static int ocelot_port_obj_del_mdb(struct net_device *dev, 1249 const struct switchdev_obj_port_mdb *mdb) 1250 { 1251 struct ocelot_port *port = netdev_priv(dev); 1252 struct ocelot *ocelot = port->ocelot; 1253 struct ocelot_multicast *mc; 1254 unsigned char addr[ETH_ALEN]; 1255 u16 vid = mdb->vid; 1256 1257 if (!vid) 1258 vid = port->pvid; 1259 1260 mc = ocelot_multicast_get(ocelot, mdb->addr, vid); 1261 if (!mc) 1262 return -ENOENT; 1263 1264 memcpy(addr, mc->addr, ETH_ALEN); 1265 addr[2] = mc->ports << 0; 1266 addr[1] = mc->ports << 8; 1267 addr[0] = 0; 1268 ocelot_mact_forget(ocelot, addr, vid); 1269 1270 mc->ports &= ~BIT(port->chip_port); 1271 if (!mc->ports) { 1272 list_del(&mc->list); 1273 devm_kfree(ocelot->dev, mc); 1274 return 0; 1275 } 1276 1277 addr[2] = mc->ports << 0; 1278 addr[1] = mc->ports << 8; 1279 1280 return ocelot_mact_learn(ocelot, 0, addr, vid, ENTRYTYPE_MACv4); 1281 } 1282 1283 static int ocelot_port_obj_add(struct net_device *dev, 1284 const struct switchdev_obj *obj, 1285 struct switchdev_trans *trans, 1286 struct netlink_ext_ack *extack) 1287 { 1288 int ret = 0; 1289 1290 switch (obj->id) { 1291 case SWITCHDEV_OBJ_ID_PORT_VLAN: 1292 ret = ocelot_port_obj_add_vlan(dev, 1293 SWITCHDEV_OBJ_PORT_VLAN(obj), 1294 trans); 1295 break; 1296 case SWITCHDEV_OBJ_ID_PORT_MDB: 1297 ret = ocelot_port_obj_add_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj), 1298 trans); 1299 break; 1300 default: 1301 return -EOPNOTSUPP; 1302 } 1303 1304 return ret; 1305 } 1306 1307 static int ocelot_port_obj_del(struct net_device *dev, 1308 const struct switchdev_obj *obj) 1309 { 1310 int ret = 0; 1311 1312 switch (obj->id) { 1313 case SWITCHDEV_OBJ_ID_PORT_VLAN: 1314 ret = ocelot_port_vlan_del_vlan(dev, 1315 SWITCHDEV_OBJ_PORT_VLAN(obj)); 1316 break; 1317 case SWITCHDEV_OBJ_ID_PORT_MDB: 1318 ret = ocelot_port_obj_del_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj)); 1319 break; 1320 default: 1321 return -EOPNOTSUPP; 1322 } 1323 1324 return ret; 1325 } 1326 1327 static int ocelot_port_bridge_join(struct ocelot_port *ocelot_port, 1328 struct net_device *bridge) 1329 { 1330 struct ocelot *ocelot = ocelot_port->ocelot; 1331 1332 if (!ocelot->bridge_mask) { 1333 ocelot->hw_bridge_dev = bridge; 1334 } else { 1335 if (ocelot->hw_bridge_dev != bridge) 1336 /* This is adding the port to a second bridge, this is 1337 * unsupported */ 1338 return -ENODEV; 1339 } 1340 1341 ocelot->bridge_mask |= BIT(ocelot_port->chip_port); 1342 1343 return 0; 1344 } 1345 1346 static void ocelot_port_bridge_leave(struct ocelot_port *ocelot_port, 1347 struct net_device *bridge) 1348 { 1349 struct ocelot *ocelot = ocelot_port->ocelot; 1350 1351 ocelot->bridge_mask &= ~BIT(ocelot_port->chip_port); 1352 1353 if (!ocelot->bridge_mask) 1354 ocelot->hw_bridge_dev = NULL; 1355 1356 /* Clear bridge vlan settings before calling ocelot_vlan_port_apply */ 1357 ocelot_port->vlan_aware = 0; 1358 ocelot_port->pvid = 0; 1359 ocelot_port->vid = 0; 1360 } 1361 1362 static void ocelot_set_aggr_pgids(struct ocelot *ocelot) 1363 { 1364 int i, port, lag; 1365 1366 /* Reset destination and aggregation PGIDS */ 1367 for (port = 0; port < ocelot->num_phys_ports; port++) 1368 ocelot_write_rix(ocelot, BIT(port), ANA_PGID_PGID, port); 1369 1370 for (i = PGID_AGGR; i < PGID_SRC; i++) 1371 ocelot_write_rix(ocelot, GENMASK(ocelot->num_phys_ports - 1, 0), 1372 ANA_PGID_PGID, i); 1373 1374 /* Now, set PGIDs for each LAG */ 1375 for (lag = 0; lag < ocelot->num_phys_ports; lag++) { 1376 unsigned long bond_mask; 1377 int aggr_count = 0; 1378 u8 aggr_idx[16]; 1379 1380 bond_mask = ocelot->lags[lag]; 1381 if (!bond_mask) 1382 continue; 1383 1384 for_each_set_bit(port, &bond_mask, ocelot->num_phys_ports) { 1385 // Destination mask 1386 ocelot_write_rix(ocelot, bond_mask, 1387 ANA_PGID_PGID, port); 1388 aggr_idx[aggr_count] = port; 1389 aggr_count++; 1390 } 1391 1392 for (i = PGID_AGGR; i < PGID_SRC; i++) { 1393 u32 ac; 1394 1395 ac = ocelot_read_rix(ocelot, ANA_PGID_PGID, i); 1396 ac &= ~bond_mask; 1397 ac |= BIT(aggr_idx[i % aggr_count]); 1398 ocelot_write_rix(ocelot, ac, ANA_PGID_PGID, i); 1399 } 1400 } 1401 } 1402 1403 static void ocelot_setup_lag(struct ocelot *ocelot, int lag) 1404 { 1405 unsigned long bond_mask = ocelot->lags[lag]; 1406 unsigned int p; 1407 1408 for_each_set_bit(p, &bond_mask, ocelot->num_phys_ports) { 1409 u32 port_cfg = ocelot_read_gix(ocelot, ANA_PORT_PORT_CFG, p); 1410 1411 port_cfg &= ~ANA_PORT_PORT_CFG_PORTID_VAL_M; 1412 1413 /* Use lag port as logical port for port i */ 1414 ocelot_write_gix(ocelot, port_cfg | 1415 ANA_PORT_PORT_CFG_PORTID_VAL(lag), 1416 ANA_PORT_PORT_CFG, p); 1417 } 1418 } 1419 1420 static int ocelot_port_lag_join(struct ocelot_port *ocelot_port, 1421 struct net_device *bond) 1422 { 1423 struct ocelot *ocelot = ocelot_port->ocelot; 1424 int p = ocelot_port->chip_port; 1425 int lag, lp; 1426 struct net_device *ndev; 1427 u32 bond_mask = 0; 1428 1429 rcu_read_lock(); 1430 for_each_netdev_in_bond_rcu(bond, ndev) { 1431 struct ocelot_port *port = netdev_priv(ndev); 1432 1433 bond_mask |= BIT(port->chip_port); 1434 } 1435 rcu_read_unlock(); 1436 1437 lp = __ffs(bond_mask); 1438 1439 /* If the new port is the lowest one, use it as the logical port from 1440 * now on 1441 */ 1442 if (p == lp) { 1443 lag = p; 1444 ocelot->lags[p] = bond_mask; 1445 bond_mask &= ~BIT(p); 1446 if (bond_mask) { 1447 lp = __ffs(bond_mask); 1448 ocelot->lags[lp] = 0; 1449 } 1450 } else { 1451 lag = lp; 1452 ocelot->lags[lp] |= BIT(p); 1453 } 1454 1455 ocelot_setup_lag(ocelot, lag); 1456 ocelot_set_aggr_pgids(ocelot); 1457 1458 return 0; 1459 } 1460 1461 static void ocelot_port_lag_leave(struct ocelot_port *ocelot_port, 1462 struct net_device *bond) 1463 { 1464 struct ocelot *ocelot = ocelot_port->ocelot; 1465 int p = ocelot_port->chip_port; 1466 u32 port_cfg; 1467 int i; 1468 1469 /* Remove port from any lag */ 1470 for (i = 0; i < ocelot->num_phys_ports; i++) 1471 ocelot->lags[i] &= ~BIT(ocelot_port->chip_port); 1472 1473 /* if it was the logical port of the lag, move the lag config to the 1474 * next port 1475 */ 1476 if (ocelot->lags[p]) { 1477 int n = __ffs(ocelot->lags[p]); 1478 1479 ocelot->lags[n] = ocelot->lags[p]; 1480 ocelot->lags[p] = 0; 1481 1482 ocelot_setup_lag(ocelot, n); 1483 } 1484 1485 port_cfg = ocelot_read_gix(ocelot, ANA_PORT_PORT_CFG, p); 1486 port_cfg &= ~ANA_PORT_PORT_CFG_PORTID_VAL_M; 1487 ocelot_write_gix(ocelot, port_cfg | ANA_PORT_PORT_CFG_PORTID_VAL(p), 1488 ANA_PORT_PORT_CFG, p); 1489 1490 ocelot_set_aggr_pgids(ocelot); 1491 } 1492 1493 /* Checks if the net_device instance given to us originate from our driver. */ 1494 static bool ocelot_netdevice_dev_check(const struct net_device *dev) 1495 { 1496 return dev->netdev_ops == &ocelot_port_netdev_ops; 1497 } 1498 1499 static int ocelot_netdevice_port_event(struct net_device *dev, 1500 unsigned long event, 1501 struct netdev_notifier_changeupper_info *info) 1502 { 1503 struct ocelot_port *ocelot_port = netdev_priv(dev); 1504 int err = 0; 1505 1506 if (!ocelot_netdevice_dev_check(dev)) 1507 return 0; 1508 1509 switch (event) { 1510 case NETDEV_CHANGEUPPER: 1511 if (netif_is_bridge_master(info->upper_dev)) { 1512 if (info->linking) 1513 err = ocelot_port_bridge_join(ocelot_port, 1514 info->upper_dev); 1515 else 1516 ocelot_port_bridge_leave(ocelot_port, 1517 info->upper_dev); 1518 1519 ocelot_vlan_port_apply(ocelot_port->ocelot, 1520 ocelot_port); 1521 } 1522 if (netif_is_lag_master(info->upper_dev)) { 1523 if (info->linking) 1524 err = ocelot_port_lag_join(ocelot_port, 1525 info->upper_dev); 1526 else 1527 ocelot_port_lag_leave(ocelot_port, 1528 info->upper_dev); 1529 } 1530 break; 1531 default: 1532 break; 1533 } 1534 1535 return err; 1536 } 1537 1538 static int ocelot_netdevice_event(struct notifier_block *unused, 1539 unsigned long event, void *ptr) 1540 { 1541 struct netdev_notifier_changeupper_info *info = ptr; 1542 struct net_device *dev = netdev_notifier_info_to_dev(ptr); 1543 int ret = 0; 1544 1545 if (event == NETDEV_PRECHANGEUPPER && 1546 netif_is_lag_master(info->upper_dev)) { 1547 struct netdev_lag_upper_info *lag_upper_info = info->upper_info; 1548 struct netlink_ext_ack *extack; 1549 1550 if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { 1551 extack = netdev_notifier_info_to_extack(&info->info); 1552 NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); 1553 1554 ret = -EINVAL; 1555 goto notify; 1556 } 1557 } 1558 1559 if (netif_is_lag_master(dev)) { 1560 struct net_device *slave; 1561 struct list_head *iter; 1562 1563 netdev_for_each_lower_dev(dev, slave, iter) { 1564 ret = ocelot_netdevice_port_event(slave, event, info); 1565 if (ret) 1566 goto notify; 1567 } 1568 } else { 1569 ret = ocelot_netdevice_port_event(dev, event, info); 1570 } 1571 1572 notify: 1573 return notifier_from_errno(ret); 1574 } 1575 1576 struct notifier_block ocelot_netdevice_nb __read_mostly = { 1577 .notifier_call = ocelot_netdevice_event, 1578 }; 1579 EXPORT_SYMBOL(ocelot_netdevice_nb); 1580 1581 static int ocelot_switchdev_event(struct notifier_block *unused, 1582 unsigned long event, void *ptr) 1583 { 1584 struct net_device *dev = switchdev_notifier_info_to_dev(ptr); 1585 int err; 1586 1587 switch (event) { 1588 case SWITCHDEV_PORT_ATTR_SET: 1589 err = switchdev_handle_port_attr_set(dev, ptr, 1590 ocelot_netdevice_dev_check, 1591 ocelot_port_attr_set); 1592 return notifier_from_errno(err); 1593 } 1594 1595 return NOTIFY_DONE; 1596 } 1597 1598 struct notifier_block ocelot_switchdev_nb __read_mostly = { 1599 .notifier_call = ocelot_switchdev_event, 1600 }; 1601 EXPORT_SYMBOL(ocelot_switchdev_nb); 1602 1603 static int ocelot_switchdev_blocking_event(struct notifier_block *unused, 1604 unsigned long event, void *ptr) 1605 { 1606 struct net_device *dev = switchdev_notifier_info_to_dev(ptr); 1607 int err; 1608 1609 switch (event) { 1610 /* Blocking events. */ 1611 case SWITCHDEV_PORT_OBJ_ADD: 1612 err = switchdev_handle_port_obj_add(dev, ptr, 1613 ocelot_netdevice_dev_check, 1614 ocelot_port_obj_add); 1615 return notifier_from_errno(err); 1616 case SWITCHDEV_PORT_OBJ_DEL: 1617 err = switchdev_handle_port_obj_del(dev, ptr, 1618 ocelot_netdevice_dev_check, 1619 ocelot_port_obj_del); 1620 return notifier_from_errno(err); 1621 case SWITCHDEV_PORT_ATTR_SET: 1622 err = switchdev_handle_port_attr_set(dev, ptr, 1623 ocelot_netdevice_dev_check, 1624 ocelot_port_attr_set); 1625 return notifier_from_errno(err); 1626 } 1627 1628 return NOTIFY_DONE; 1629 } 1630 1631 struct notifier_block ocelot_switchdev_blocking_nb __read_mostly = { 1632 .notifier_call = ocelot_switchdev_blocking_event, 1633 }; 1634 EXPORT_SYMBOL(ocelot_switchdev_blocking_nb); 1635 1636 int ocelot_probe_port(struct ocelot *ocelot, u8 port, 1637 void __iomem *regs, 1638 struct phy_device *phy) 1639 { 1640 struct ocelot_port *ocelot_port; 1641 struct net_device *dev; 1642 int err; 1643 1644 dev = alloc_etherdev(sizeof(struct ocelot_port)); 1645 if (!dev) 1646 return -ENOMEM; 1647 SET_NETDEV_DEV(dev, ocelot->dev); 1648 ocelot_port = netdev_priv(dev); 1649 ocelot_port->dev = dev; 1650 ocelot_port->ocelot = ocelot; 1651 ocelot_port->regs = regs; 1652 ocelot_port->chip_port = port; 1653 ocelot_port->phy = phy; 1654 INIT_LIST_HEAD(&ocelot_port->mc); 1655 ocelot->ports[port] = ocelot_port; 1656 1657 dev->netdev_ops = &ocelot_port_netdev_ops; 1658 dev->ethtool_ops = &ocelot_ethtool_ops; 1659 1660 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXFCS; 1661 dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 1662 1663 memcpy(dev->dev_addr, ocelot->base_mac, ETH_ALEN); 1664 dev->dev_addr[ETH_ALEN - 1] += port; 1665 ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, ocelot_port->pvid, 1666 ENTRYTYPE_LOCKED); 1667 1668 err = register_netdev(dev); 1669 if (err) { 1670 dev_err(ocelot->dev, "register_netdev failed\n"); 1671 goto err_register_netdev; 1672 } 1673 1674 /* Basic L2 initialization */ 1675 ocelot_vlan_port_apply(ocelot, ocelot_port); 1676 1677 return 0; 1678 1679 err_register_netdev: 1680 free_netdev(dev); 1681 return err; 1682 } 1683 EXPORT_SYMBOL(ocelot_probe_port); 1684 1685 int ocelot_init(struct ocelot *ocelot) 1686 { 1687 u32 port; 1688 int i, cpu = ocelot->num_phys_ports; 1689 char queue_name[32]; 1690 1691 ocelot->lags = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports, 1692 sizeof(u32), GFP_KERNEL); 1693 if (!ocelot->lags) 1694 return -ENOMEM; 1695 1696 ocelot->stats = devm_kcalloc(ocelot->dev, 1697 ocelot->num_phys_ports * ocelot->num_stats, 1698 sizeof(u64), GFP_KERNEL); 1699 if (!ocelot->stats) 1700 return -ENOMEM; 1701 1702 mutex_init(&ocelot->stats_lock); 1703 snprintf(queue_name, sizeof(queue_name), "%s-stats", 1704 dev_name(ocelot->dev)); 1705 ocelot->stats_queue = create_singlethread_workqueue(queue_name); 1706 if (!ocelot->stats_queue) 1707 return -ENOMEM; 1708 1709 ocelot_mact_init(ocelot); 1710 ocelot_vlan_init(ocelot); 1711 1712 for (port = 0; port < ocelot->num_phys_ports; port++) { 1713 /* Clear all counters (5 groups) */ 1714 ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port) | 1715 SYS_STAT_CFG_STAT_CLEAR_SHOT(0x7f), 1716 SYS_STAT_CFG); 1717 } 1718 1719 /* Only use S-Tag */ 1720 ocelot_write(ocelot, ETH_P_8021AD, SYS_VLAN_ETYPE_CFG); 1721 1722 /* Aggregation mode */ 1723 ocelot_write(ocelot, ANA_AGGR_CFG_AC_SMAC_ENA | 1724 ANA_AGGR_CFG_AC_DMAC_ENA | 1725 ANA_AGGR_CFG_AC_IP4_SIPDIP_ENA | 1726 ANA_AGGR_CFG_AC_IP4_TCPUDP_ENA, ANA_AGGR_CFG); 1727 1728 /* Set MAC age time to default value. The entry is aged after 1729 * 2*AGE_PERIOD 1730 */ 1731 ocelot_write(ocelot, 1732 ANA_AUTOAGE_AGE_PERIOD(BR_DEFAULT_AGEING_TIME / 2 / HZ), 1733 ANA_AUTOAGE); 1734 1735 /* Disable learning for frames discarded by VLAN ingress filtering */ 1736 regmap_field_write(ocelot->regfields[ANA_ADVLEARN_VLAN_CHK], 1); 1737 1738 /* Setup frame ageing - fixed value "2 sec" - in 6.5 us units */ 1739 ocelot_write(ocelot, SYS_FRM_AGING_AGE_TX_ENA | 1740 SYS_FRM_AGING_MAX_AGE(307692), SYS_FRM_AGING); 1741 1742 /* Setup flooding PGIDs */ 1743 ocelot_write_rix(ocelot, ANA_FLOODING_FLD_MULTICAST(PGID_MC) | 1744 ANA_FLOODING_FLD_BROADCAST(PGID_MC) | 1745 ANA_FLOODING_FLD_UNICAST(PGID_UC), 1746 ANA_FLOODING, 0); 1747 ocelot_write(ocelot, ANA_FLOODING_IPMC_FLD_MC6_DATA(PGID_MCIPV6) | 1748 ANA_FLOODING_IPMC_FLD_MC6_CTRL(PGID_MC) | 1749 ANA_FLOODING_IPMC_FLD_MC4_DATA(PGID_MCIPV4) | 1750 ANA_FLOODING_IPMC_FLD_MC4_CTRL(PGID_MC), 1751 ANA_FLOODING_IPMC); 1752 1753 for (port = 0; port < ocelot->num_phys_ports; port++) { 1754 /* Transmit the frame to the local port. */ 1755 ocelot_write_rix(ocelot, BIT(port), ANA_PGID_PGID, port); 1756 /* Do not forward BPDU frames to the front ports. */ 1757 ocelot_write_gix(ocelot, 1758 ANA_PORT_CPU_FWD_BPDU_CFG_BPDU_REDIR_ENA(0xffff), 1759 ANA_PORT_CPU_FWD_BPDU_CFG, 1760 port); 1761 /* Ensure bridging is disabled */ 1762 ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_SRC + port); 1763 } 1764 1765 /* Configure and enable the CPU port. */ 1766 ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, cpu); 1767 ocelot_write_rix(ocelot, BIT(cpu), ANA_PGID_PGID, PGID_CPU); 1768 ocelot_write_gix(ocelot, ANA_PORT_PORT_CFG_RECV_ENA | 1769 ANA_PORT_PORT_CFG_PORTID_VAL(cpu), 1770 ANA_PORT_PORT_CFG, cpu); 1771 1772 /* Allow broadcast MAC frames. */ 1773 for (i = ocelot->num_phys_ports + 1; i < PGID_CPU; i++) { 1774 u32 val = ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports - 1, 0)); 1775 1776 ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i); 1777 } 1778 ocelot_write_rix(ocelot, 1779 ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)), 1780 ANA_PGID_PGID, PGID_MC); 1781 ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_MCIPV4); 1782 ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_MCIPV6); 1783 1784 /* CPU port Injection/Extraction configuration */ 1785 ocelot_write_rix(ocelot, QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE | 1786 QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG(1) | 1787 QSYS_SWITCH_PORT_MODE_PORT_ENA, 1788 QSYS_SWITCH_PORT_MODE, cpu); 1789 ocelot_write_rix(ocelot, SYS_PORT_MODE_INCL_XTR_HDR(1) | 1790 SYS_PORT_MODE_INCL_INJ_HDR(1), SYS_PORT_MODE, cpu); 1791 /* Allow manual injection via DEVCPU_QS registers, and byte swap these 1792 * registers endianness. 1793 */ 1794 ocelot_write_rix(ocelot, QS_INJ_GRP_CFG_BYTE_SWAP | 1795 QS_INJ_GRP_CFG_MODE(1), QS_INJ_GRP_CFG, 0); 1796 ocelot_write_rix(ocelot, QS_XTR_GRP_CFG_BYTE_SWAP | 1797 QS_XTR_GRP_CFG_MODE(1), QS_XTR_GRP_CFG, 0); 1798 ocelot_write(ocelot, ANA_CPUQ_CFG_CPUQ_MIRROR(2) | 1799 ANA_CPUQ_CFG_CPUQ_LRN(2) | 1800 ANA_CPUQ_CFG_CPUQ_MAC_COPY(2) | 1801 ANA_CPUQ_CFG_CPUQ_SRC_COPY(2) | 1802 ANA_CPUQ_CFG_CPUQ_LOCKED_PORTMOVE(2) | 1803 ANA_CPUQ_CFG_CPUQ_ALLBRIDGE(6) | 1804 ANA_CPUQ_CFG_CPUQ_IPMC_CTRL(6) | 1805 ANA_CPUQ_CFG_CPUQ_IGMP(6) | 1806 ANA_CPUQ_CFG_CPUQ_MLD(6), ANA_CPUQ_CFG); 1807 for (i = 0; i < 16; i++) 1808 ocelot_write_rix(ocelot, ANA_CPUQ_8021_CFG_CPUQ_GARP_VAL(6) | 1809 ANA_CPUQ_8021_CFG_CPUQ_BPDU_VAL(6), 1810 ANA_CPUQ_8021_CFG, i); 1811 1812 INIT_DELAYED_WORK(&ocelot->stats_work, ocelot_check_stats); 1813 queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work, 1814 OCELOT_STATS_CHECK_DELAY); 1815 return 0; 1816 } 1817 EXPORT_SYMBOL(ocelot_init); 1818 1819 void ocelot_deinit(struct ocelot *ocelot) 1820 { 1821 destroy_workqueue(ocelot->stats_queue); 1822 mutex_destroy(&ocelot->stats_lock); 1823 } 1824 EXPORT_SYMBOL(ocelot_deinit); 1825 1826 MODULE_LICENSE("Dual MIT/GPL"); 1827