1 #ifndef NETDEV_PCS_H 2 #define NETDEV_PCS_H 3 4 #include <linux/phy.h> 5 #include <linux/spinlock.h> 6 #include <linux/workqueue.h> 7 8 struct device_node; 9 struct ethtool_cmd; 10 struct fwnode_handle; 11 struct net_device; 12 13 enum { 14 MLO_PAUSE_NONE, 15 MLO_PAUSE_RX = BIT(0), 16 MLO_PAUSE_TX = BIT(1), 17 MLO_PAUSE_TXRX_MASK = MLO_PAUSE_TX | MLO_PAUSE_RX, 18 MLO_PAUSE_AN = BIT(2), 19 20 MLO_AN_PHY = 0, /* Conventional PHY */ 21 MLO_AN_FIXED, /* Fixed-link mode */ 22 MLO_AN_INBAND, /* In-band protocol */ 23 24 MAC_SYM_PAUSE = BIT(0), 25 MAC_ASYM_PAUSE = BIT(1), 26 MAC_10HD = BIT(2), 27 MAC_10FD = BIT(3), 28 MAC_10 = MAC_10HD | MAC_10FD, 29 MAC_100HD = BIT(4), 30 MAC_100FD = BIT(5), 31 MAC_100 = MAC_100HD | MAC_100FD, 32 MAC_1000HD = BIT(6), 33 MAC_1000FD = BIT(7), 34 MAC_1000 = MAC_1000HD | MAC_1000FD, 35 MAC_2500FD = BIT(8), 36 MAC_5000FD = BIT(9), 37 MAC_10000FD = BIT(10), 38 MAC_20000FD = BIT(11), 39 MAC_25000FD = BIT(12), 40 MAC_40000FD = BIT(13), 41 MAC_50000FD = BIT(14), 42 MAC_56000FD = BIT(15), 43 MAC_100000FD = BIT(16), 44 MAC_200000FD = BIT(17), 45 MAC_400000FD = BIT(18), 46 }; 47 48 static inline bool phylink_autoneg_inband(unsigned int mode) 49 { 50 return mode == MLO_AN_INBAND; 51 } 52 53 /** 54 * struct phylink_link_state - link state structure 55 * @advertising: ethtool bitmask containing advertised link modes 56 * @lp_advertising: ethtool bitmask containing link partner advertised link 57 * modes 58 * @interface: link &typedef phy_interface_t mode 59 * @speed: link speed, one of the SPEED_* constants. 60 * @duplex: link duplex mode, one of DUPLEX_* constants. 61 * @pause: link pause state, described by MLO_PAUSE_* constants. 62 * @link: true if the link is up. 63 * @an_enabled: true if autonegotiation is enabled/desired. 64 * @an_complete: true if autonegotiation has completed. 65 */ 66 struct phylink_link_state { 67 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 68 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 69 phy_interface_t interface; 70 int speed; 71 int duplex; 72 int pause; 73 unsigned int link:1; 74 unsigned int an_enabled:1; 75 unsigned int an_complete:1; 76 }; 77 78 enum phylink_op_type { 79 PHYLINK_NETDEV = 0, 80 PHYLINK_DEV, 81 }; 82 83 /** 84 * struct phylink_config - PHYLINK configuration structure 85 * @dev: a pointer to a struct device associated with the MAC 86 * @type: operation type of PHYLINK instance 87 * @legacy_pre_march2020: driver has not been updated for March 2020 updates 88 * (See commit 7cceb599d15d ("net: phylink: avoid mac_config calls") 89 * @pcs_poll: MAC PCS cannot provide link change interrupt 90 * @poll_fixed_state: if true, starts link_poll, 91 * if MAC link is at %MLO_AN_FIXED mode. 92 * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND 93 * @get_fixed_state: callback to execute to determine the fixed link state, 94 * if MAC link is at %MLO_AN_FIXED mode. 95 * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx 96 * are supported by the MAC/PCS. 97 * @mac_capabilities: MAC pause/speed/duplex capabilities. 98 */ 99 struct phylink_config { 100 struct device *dev; 101 enum phylink_op_type type; 102 bool legacy_pre_march2020; 103 bool pcs_poll; 104 bool poll_fixed_state; 105 bool ovr_an_inband; 106 void (*get_fixed_state)(struct phylink_config *config, 107 struct phylink_link_state *state); 108 DECLARE_PHY_INTERFACE_MASK(supported_interfaces); 109 unsigned long mac_capabilities; 110 }; 111 112 /** 113 * struct phylink_mac_ops - MAC operations structure. 114 * @validate: Validate and update the link configuration. 115 * @mac_pcs_get_state: Read the current link state from the hardware. 116 * @mac_prepare: prepare for a major reconfiguration of the interface. 117 * @mac_config: configure the MAC for the selected mode and state. 118 * @mac_finish: finish a major reconfiguration of the interface. 119 * @mac_an_restart: restart 802.3z BaseX autonegotiation. 120 * @mac_link_down: take the link down. 121 * @mac_link_up: allow the link to come up. 122 * 123 * The individual methods are described more fully below. 124 */ 125 struct phylink_mac_ops { 126 void (*validate)(struct phylink_config *config, 127 unsigned long *supported, 128 struct phylink_link_state *state); 129 void (*mac_pcs_get_state)(struct phylink_config *config, 130 struct phylink_link_state *state); 131 int (*mac_prepare)(struct phylink_config *config, unsigned int mode, 132 phy_interface_t iface); 133 void (*mac_config)(struct phylink_config *config, unsigned int mode, 134 const struct phylink_link_state *state); 135 int (*mac_finish)(struct phylink_config *config, unsigned int mode, 136 phy_interface_t iface); 137 void (*mac_an_restart)(struct phylink_config *config); 138 void (*mac_link_down)(struct phylink_config *config, unsigned int mode, 139 phy_interface_t interface); 140 void (*mac_link_up)(struct phylink_config *config, 141 struct phy_device *phy, unsigned int mode, 142 phy_interface_t interface, int speed, int duplex, 143 bool tx_pause, bool rx_pause); 144 }; 145 146 #if 0 /* For kernel-doc purposes only. */ 147 /** 148 * validate - Validate and update the link configuration 149 * @config: a pointer to a &struct phylink_config. 150 * @supported: ethtool bitmask for supported link modes. 151 * @state: a pointer to a &struct phylink_link_state. 152 * 153 * Clear bits in the @supported and @state->advertising masks that 154 * are not supportable by the MAC. 155 * 156 * Note that the PHY may be able to transform from one connection 157 * technology to another, so, eg, don't clear 1000BaseX just 158 * because the MAC is unable to BaseX mode. This is more about 159 * clearing unsupported speeds and duplex settings. The port modes 160 * should not be cleared; phylink_set_port_modes() will help with this. 161 * 162 * If the @state->interface mode is %PHY_INTERFACE_MODE_1000BASEX 163 * or %PHY_INTERFACE_MODE_2500BASEX, select the appropriate mode 164 * based on @state->advertising and/or @state->speed and update 165 * @state->interface accordingly. See phylink_helper_basex_speed(). 166 * 167 * When @config->supported_interfaces has been set, phylink will iterate 168 * over the supported interfaces to determine the full capability of the 169 * MAC. The validation function must not print errors if @state->interface 170 * is set to an unexpected value. 171 * 172 * When @config->supported_interfaces is empty, phylink will call this 173 * function with @state->interface set to %PHY_INTERFACE_MODE_NA, and 174 * expects the MAC driver to return all supported link modes. 175 * 176 * If the @state->interface mode is not supported, then the @supported 177 * mask must be cleared. 178 */ 179 void validate(struct phylink_config *config, unsigned long *supported, 180 struct phylink_link_state *state); 181 182 /** 183 * mac_pcs_get_state() - Read the current inband link state from the hardware 184 * @config: a pointer to a &struct phylink_config. 185 * @state: a pointer to a &struct phylink_link_state. 186 * 187 * Read the current inband link state from the MAC PCS, reporting the 188 * current speed in @state->speed, duplex mode in @state->duplex, pause 189 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 190 * negotiation completion state in @state->an_complete, and link up state 191 * in @state->link. If possible, @state->lp_advertising should also be 192 * populated. 193 * 194 * Note: This is a legacy method. This function will not be called unless 195 * legacy_pre_march2020 is set in &struct phylink_config and there is no 196 * PCS attached. 197 */ 198 void mac_pcs_get_state(struct phylink_config *config, 199 struct phylink_link_state *state); 200 201 /** 202 * mac_prepare() - prepare to change the PHY interface mode 203 * @config: a pointer to a &struct phylink_config. 204 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 205 * @iface: interface mode to switch to 206 * 207 * phylink will call this method at the beginning of a full initialisation 208 * of the link, which includes changing the interface mode or at initial 209 * startup time. It may be called for the current mode. The MAC driver 210 * should perform whatever actions are required, e.g. disabling the 211 * Serdes PHY. 212 * 213 * This will be the first call in the sequence: 214 * - mac_prepare() 215 * - mac_config() 216 * - pcs_config() 217 * - possible pcs_an_restart() 218 * - mac_finish() 219 * 220 * Returns zero on success, or negative errno on failure which will be 221 * reported to the kernel log. 222 */ 223 int mac_prepare(struct phylink_config *config, unsigned int mode, 224 phy_interface_t iface); 225 226 /** 227 * mac_config() - configure the MAC for the selected mode and state 228 * @config: a pointer to a &struct phylink_config. 229 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 230 * @state: a pointer to a &struct phylink_link_state. 231 * 232 * Note - not all members of @state are valid. In particular, 233 * @state->lp_advertising, @state->link, @state->an_complete are never 234 * guaranteed to be correct, and so any mac_config() implementation must 235 * never reference these fields. 236 * 237 * Note: For legacy March 2020 drivers (drivers with legacy_pre_march2020 set 238 * in their &phylnk_config and which don't have a PCS), this function will be 239 * called on each link up event, and to also change the in-band advert. For 240 * non-legacy drivers, it will only be called to reconfigure the MAC for a 241 * "major" change in e.g. interface mode. It will not be called for changes 242 * in speed, duplex or pause modes or to change the in-band advertisement. 243 * In any case, it is strongly preferred that speed, duplex and pause settings 244 * are handled in the mac_link_up() method and not in this method. 245 * 246 * (this requires a rewrite - please refer to mac_link_up() for situations 247 * where the PCS and MAC are not tightly integrated.) 248 * 249 * In all negotiation modes, as defined by @mode, @state->pause indicates the 250 * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not 251 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send 252 * pause frames and/or act on received pause frames respectively. Otherwise, 253 * the results of in-band negotiation/status from the MAC PCS should be used 254 * to control the MAC pause mode settings. 255 * 256 * The action performed depends on the currently selected mode: 257 * 258 * %MLO_AN_FIXED, %MLO_AN_PHY: 259 * Configure for non-inband negotiation mode, where the link settings 260 * are completely communicated via mac_link_up(). The physical link 261 * protocol from the MAC is specified by @state->interface. 262 * 263 * @state->advertising may be used, but is not required. 264 * 265 * Older drivers (prior to the mac_link_up() change) may use @state->speed, 266 * @state->duplex and @state->pause to configure the MAC, but this is 267 * deprecated; such drivers should be converted to use mac_link_up(). 268 * 269 * Other members of @state must be ignored. 270 * 271 * Valid state members: interface, advertising. 272 * Deprecated state members: speed, duplex, pause. 273 * 274 * %MLO_AN_INBAND: 275 * place the link in an inband negotiation mode (such as 802.3z 276 * 1000base-X or Cisco SGMII mode depending on the @state->interface 277 * mode). In both cases, link state management (whether the link 278 * is up or not) is performed by the MAC, and reported via the 279 * mac_pcs_get_state() callback. Changes in link state must be made 280 * by calling phylink_mac_change(). 281 * 282 * Interface mode specific details are mentioned below. 283 * 284 * If in 802.3z mode, the link speed is fixed, dependent on the 285 * @state->interface. Duplex and pause modes are negotiated via 286 * the in-band configuration word. Advertised pause modes are set 287 * according to the @state->an_enabled and @state->advertising 288 * flags. Beware of MACs which only support full duplex at gigabit 289 * and higher speeds. 290 * 291 * If in Cisco SGMII mode, the link speed and duplex mode are passed 292 * in the serial bitstream 16-bit configuration word, and the MAC 293 * should be configured to read these bits and acknowledge the 294 * configuration word. Nothing is advertised by the MAC. The MAC is 295 * responsible for reading the configuration word and configuring 296 * itself accordingly. 297 * 298 * Valid state members: interface, an_enabled, pause, advertising. 299 * 300 * Implementations are expected to update the MAC to reflect the 301 * requested settings - i.o.w., if nothing has changed between two 302 * calls, no action is expected. If only flow control settings have 303 * changed, flow control should be updated *without* taking the link 304 * down. This "update" behaviour is critical to avoid bouncing the 305 * link up status. 306 */ 307 void mac_config(struct phylink_config *config, unsigned int mode, 308 const struct phylink_link_state *state); 309 310 /** 311 * mac_finish() - finish a to change the PHY interface mode 312 * @config: a pointer to a &struct phylink_config. 313 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 314 * @iface: interface mode to switch to 315 * 316 * phylink will call this if it called mac_prepare() to allow the MAC to 317 * complete any necessary steps after the MAC and PCS have been configured 318 * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the 319 * Serdes PHY here if it was previously disabled by mac_prepare(). 320 * 321 * Returns zero on success, or negative errno on failure which will be 322 * reported to the kernel log. 323 */ 324 int mac_finish(struct phylink_config *config, unsigned int mode, 325 phy_interface_t iface); 326 327 /** 328 * mac_an_restart() - restart 802.3z BaseX autonegotiation 329 * @config: a pointer to a &struct phylink_config. 330 * 331 * Note: This is a legacy method. This function will not be called unless 332 * legacy_pre_march2020 is set in &struct phylink_config and there is no 333 * PCS attached. 334 */ 335 void mac_an_restart(struct phylink_config *config); 336 337 /** 338 * mac_link_down() - take the link down 339 * @config: a pointer to a &struct phylink_config. 340 * @mode: link autonegotiation mode 341 * @interface: link &typedef phy_interface_t mode 342 * 343 * If @mode is not an in-band negotiation mode (as defined by 344 * phylink_autoneg_inband()), force the link down and disable any 345 * Energy Efficient Ethernet MAC configuration. Interface type 346 * selection must be done in mac_config(). 347 */ 348 void mac_link_down(struct phylink_config *config, unsigned int mode, 349 phy_interface_t interface); 350 351 /** 352 * mac_link_up() - allow the link to come up 353 * @config: a pointer to a &struct phylink_config. 354 * @phy: any attached phy 355 * @mode: link autonegotiation mode 356 * @interface: link &typedef phy_interface_t mode 357 * @speed: link speed 358 * @duplex: link duplex 359 * @tx_pause: link transmit pause enablement status 360 * @rx_pause: link receive pause enablement status 361 * 362 * Configure the MAC for an established link. 363 * 364 * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link 365 * settings, and should be used to configure the MAC block appropriately 366 * where these settings are not automatically conveyed from the PCS block, 367 * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode)) 368 * is disabled. 369 * 370 * Note that when 802.3z in-band negotiation is in use, it is possible 371 * that the user wishes to override the pause settings, and this should 372 * be allowed when considering the implementation of this method. 373 * 374 * If in-band negotiation mode is disabled, allow the link to come up. If 375 * @phy is non-%NULL, configure Energy Efficient Ethernet by calling 376 * phy_init_eee() and perform appropriate MAC configuration for EEE. 377 * Interface type selection must be done in mac_config(). 378 */ 379 void mac_link_up(struct phylink_config *config, struct phy_device *phy, 380 unsigned int mode, phy_interface_t interface, 381 int speed, int duplex, bool tx_pause, bool rx_pause); 382 #endif 383 384 struct phylink_pcs_ops; 385 386 /** 387 * struct phylink_pcs - PHYLINK PCS instance 388 * @ops: a pointer to the &struct phylink_pcs_ops structure 389 * @poll: poll the PCS for link changes 390 * 391 * This structure is designed to be embedded within the PCS private data, 392 * and will be passed between phylink and the PCS. 393 */ 394 struct phylink_pcs { 395 const struct phylink_pcs_ops *ops; 396 bool poll; 397 }; 398 399 /** 400 * struct phylink_pcs_ops - MAC PCS operations structure. 401 * @pcs_get_state: read the current MAC PCS link state from the hardware. 402 * @pcs_config: configure the MAC PCS for the selected mode and state. 403 * @pcs_an_restart: restart 802.3z BaseX autonegotiation. 404 * @pcs_link_up: program the PCS for the resolved link configuration 405 * (where necessary). 406 */ 407 struct phylink_pcs_ops { 408 void (*pcs_get_state)(struct phylink_pcs *pcs, 409 struct phylink_link_state *state); 410 int (*pcs_config)(struct phylink_pcs *pcs, unsigned int mode, 411 phy_interface_t interface, 412 const unsigned long *advertising, 413 bool permit_pause_to_mac); 414 void (*pcs_an_restart)(struct phylink_pcs *pcs); 415 void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int mode, 416 phy_interface_t interface, int speed, int duplex); 417 }; 418 419 #if 0 /* For kernel-doc purposes only. */ 420 /** 421 * pcs_get_state() - Read the current inband link state from the hardware 422 * @pcs: a pointer to a &struct phylink_pcs. 423 * @state: a pointer to a &struct phylink_link_state. 424 * 425 * Read the current inband link state from the MAC PCS, reporting the 426 * current speed in @state->speed, duplex mode in @state->duplex, pause 427 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 428 * negotiation completion state in @state->an_complete, and link up state 429 * in @state->link. If possible, @state->lp_advertising should also be 430 * populated. 431 * 432 * When present, this overrides mac_pcs_get_state() in &struct 433 * phylink_mac_ops. 434 */ 435 void pcs_get_state(struct phylink_pcs *pcs, 436 struct phylink_link_state *state); 437 438 /** 439 * pcs_config() - Configure the PCS mode and advertisement 440 * @pcs: a pointer to a &struct phylink_pcs. 441 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 442 * @interface: interface mode to be used 443 * @advertising: adertisement ethtool link mode mask 444 * @permit_pause_to_mac: permit forwarding pause resolution to MAC 445 * 446 * Configure the PCS for the operating mode, the interface mode, and set 447 * the advertisement mask. @permit_pause_to_mac indicates whether the 448 * hardware may forward the pause mode resolution to the MAC. 449 * 450 * When operating in %MLO_AN_INBAND, inband should always be enabled, 451 * otherwise inband should be disabled. 452 * 453 * For SGMII, there is no advertisement from the MAC side, the PCS should 454 * be programmed to acknowledge the inband word from the PHY. 455 * 456 * For 1000BASE-X, the advertisement should be programmed into the PCS. 457 * 458 * For most 10GBASE-R, there is no advertisement. 459 */ 460 int pcs_config(struct phylink_pcs *pcs, unsigned int mode, 461 phy_interface_t interface, const unsigned long *advertising, 462 bool permit_pause_to_mac); 463 464 /** 465 * pcs_an_restart() - restart 802.3z BaseX autonegotiation 466 * @pcs: a pointer to a &struct phylink_pcs. 467 * 468 * When PCS ops are present, this overrides mac_an_restart() in &struct 469 * phylink_mac_ops. 470 */ 471 void pcs_an_restart(struct phylink_pcs *pcs); 472 473 /** 474 * pcs_link_up() - program the PCS for the resolved link configuration 475 * @pcs: a pointer to a &struct phylink_pcs. 476 * @mode: link autonegotiation mode 477 * @interface: link &typedef phy_interface_t mode 478 * @speed: link speed 479 * @duplex: link duplex 480 * 481 * This call will be made just before mac_link_up() to inform the PCS of 482 * the resolved link parameters. For example, a PCS operating in SGMII 483 * mode without in-band AN needs to be manually configured for the link 484 * and duplex setting. Otherwise, this should be a no-op. 485 */ 486 void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, 487 phy_interface_t interface, int speed, int duplex); 488 #endif 489 490 void phylink_get_linkmodes(unsigned long *linkmodes, phy_interface_t interface, 491 unsigned long mac_capabilities); 492 void phylink_generic_validate(struct phylink_config *config, 493 unsigned long *supported, 494 struct phylink_link_state *state); 495 496 struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, 497 phy_interface_t iface, 498 const struct phylink_mac_ops *mac_ops); 499 void phylink_set_pcs(struct phylink *, struct phylink_pcs *pcs); 500 void phylink_destroy(struct phylink *); 501 502 int phylink_connect_phy(struct phylink *, struct phy_device *); 503 int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); 504 int phylink_fwnode_phy_connect(struct phylink *pl, 505 struct fwnode_handle *fwnode, 506 u32 flags); 507 void phylink_disconnect_phy(struct phylink *); 508 509 void phylink_mac_change(struct phylink *, bool up); 510 511 void phylink_start(struct phylink *); 512 void phylink_stop(struct phylink *); 513 514 void phylink_suspend(struct phylink *pl, bool mac_wol); 515 void phylink_resume(struct phylink *pl); 516 517 void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); 518 int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); 519 520 int phylink_ethtool_ksettings_get(struct phylink *, 521 struct ethtool_link_ksettings *); 522 int phylink_ethtool_ksettings_set(struct phylink *, 523 const struct ethtool_link_ksettings *); 524 int phylink_ethtool_nway_reset(struct phylink *); 525 void phylink_ethtool_get_pauseparam(struct phylink *, 526 struct ethtool_pauseparam *); 527 int phylink_ethtool_set_pauseparam(struct phylink *, 528 struct ethtool_pauseparam *); 529 int phylink_get_eee_err(struct phylink *); 530 int phylink_init_eee(struct phylink *, bool); 531 int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); 532 int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); 533 int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); 534 int phylink_speed_down(struct phylink *pl, bool sync); 535 int phylink_speed_up(struct phylink *pl); 536 537 #define phylink_zero(bm) \ 538 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) 539 #define __phylink_do_bit(op, bm, mode) \ 540 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm) 541 542 #define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode) 543 #define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode) 544 #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) 545 546 void phylink_set_port_modes(unsigned long *bits); 547 void phylink_set_10g_modes(unsigned long *mask); 548 void phylink_helper_basex_speed(struct phylink_link_state *state); 549 550 void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, 551 u16 bmsr, u16 lpa); 552 void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, 553 struct phylink_link_state *state); 554 int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, 555 const unsigned long *advertising); 556 int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode, 557 phy_interface_t interface, 558 const unsigned long *advertising); 559 void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs); 560 561 void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs, 562 struct phylink_link_state *state); 563 564 void phylink_decode_usxgmii_word(struct phylink_link_state *state, 565 uint16_t lpa); 566 #endif 567