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 and MAC_ASYM_PAUSE are used when configuring our 25 * autonegotiation advertisement. They correspond to the PAUSE and 26 * ASM_DIR bits defined by 802.3, respectively. 27 * 28 * The following table lists the values of tx_pause and rx_pause which 29 * might be requested in mac_link_up. The exact values depend on either 30 * the results of autonegotation (if MLO_PAUSE_AN is set) or user 31 * configuration (if MLO_PAUSE_AN is not set). 32 * 33 * MAC_SYM_PAUSE MAC_ASYM_PAUSE MLO_PAUSE_AN tx_pause/rx_pause 34 * ============= ============== ============ ================== 35 * 0 0 0 0/0 36 * 0 0 1 0/0 37 * 0 1 0 0/0, 0/1, 1/0, 1/1 38 * 0 1 1 0/0, 1/0 39 * 1 0 0 0/0, 1/1 40 * 1 0 1 0/0, 1/1 41 * 1 1 0 0/0, 0/1, 1/0, 1/1 42 * 1 1 1 0/0, 0/1, 1/1 43 * 44 * If you set MAC_ASYM_PAUSE, the user may request any combination of 45 * tx_pause and rx_pause. You do not have to support these 46 * combinations. 47 * 48 * However, you should support combinations of tx_pause and rx_pause 49 * which might be the result of autonegotation. For example, don't set 50 * MAC_SYM_PAUSE unless your device can support tx_pause and rx_pause 51 * at the same time. 52 */ 53 MAC_SYM_PAUSE = BIT(0), 54 MAC_ASYM_PAUSE = BIT(1), 55 MAC_10HD = BIT(2), 56 MAC_10FD = BIT(3), 57 MAC_10 = MAC_10HD | MAC_10FD, 58 MAC_100HD = BIT(4), 59 MAC_100FD = BIT(5), 60 MAC_100 = MAC_100HD | MAC_100FD, 61 MAC_1000HD = BIT(6), 62 MAC_1000FD = BIT(7), 63 MAC_1000 = MAC_1000HD | MAC_1000FD, 64 MAC_2500FD = BIT(8), 65 MAC_5000FD = BIT(9), 66 MAC_10000FD = BIT(10), 67 MAC_20000FD = BIT(11), 68 MAC_25000FD = BIT(12), 69 MAC_40000FD = BIT(13), 70 MAC_50000FD = BIT(14), 71 MAC_56000FD = BIT(15), 72 MAC_100000FD = BIT(16), 73 MAC_200000FD = BIT(17), 74 MAC_400000FD = BIT(18), 75 }; 76 77 static inline bool phylink_autoneg_inband(unsigned int mode) 78 { 79 return mode == MLO_AN_INBAND; 80 } 81 82 /** 83 * struct phylink_link_state - link state structure 84 * @advertising: ethtool bitmask containing advertised link modes 85 * @lp_advertising: ethtool bitmask containing link partner advertised link 86 * modes 87 * @interface: link &typedef phy_interface_t mode 88 * @speed: link speed, one of the SPEED_* constants. 89 * @duplex: link duplex mode, one of DUPLEX_* constants. 90 * @pause: link pause state, described by MLO_PAUSE_* constants. 91 * @rate_matching: rate matching being performed, one of the RATE_MATCH_* 92 * constants. If rate matching is taking place, then the speed/duplex of 93 * the medium link mode (@speed and @duplex) and the speed/duplex of the phy 94 * interface mode (@interface) are different. 95 * @link: true if the link is up. 96 * @an_enabled: true if autonegotiation is enabled/desired. 97 * @an_complete: true if autonegotiation has completed. 98 */ 99 struct phylink_link_state { 100 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 101 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 102 phy_interface_t interface; 103 int speed; 104 int duplex; 105 int pause; 106 int rate_matching; 107 unsigned int link:1; 108 unsigned int an_enabled:1; 109 unsigned int an_complete:1; 110 }; 111 112 enum phylink_op_type { 113 PHYLINK_NETDEV = 0, 114 PHYLINK_DEV, 115 }; 116 117 /** 118 * struct phylink_config - PHYLINK configuration structure 119 * @dev: a pointer to a struct device associated with the MAC 120 * @type: operation type of PHYLINK instance 121 * @legacy_pre_march2020: driver has not been updated for March 2020 updates 122 * (See commit 7cceb599d15d ("net: phylink: avoid mac_config calls") 123 * @poll_fixed_state: if true, starts link_poll, 124 * if MAC link is at %MLO_AN_FIXED mode. 125 * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND 126 * @get_fixed_state: callback to execute to determine the fixed link state, 127 * if MAC link is at %MLO_AN_FIXED mode. 128 * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx 129 * are supported by the MAC/PCS. 130 * @mac_capabilities: MAC pause/speed/duplex capabilities. 131 */ 132 struct phylink_config { 133 struct device *dev; 134 enum phylink_op_type type; 135 bool legacy_pre_march2020; 136 bool poll_fixed_state; 137 bool ovr_an_inband; 138 void (*get_fixed_state)(struct phylink_config *config, 139 struct phylink_link_state *state); 140 DECLARE_PHY_INTERFACE_MASK(supported_interfaces); 141 unsigned long mac_capabilities; 142 }; 143 144 /** 145 * struct phylink_mac_ops - MAC operations structure. 146 * @validate: Validate and update the link configuration. 147 * @mac_select_pcs: Select a PCS for the interface mode. 148 * @mac_pcs_get_state: Read the current link state from the hardware. 149 * @mac_prepare: prepare for a major reconfiguration of the interface. 150 * @mac_config: configure the MAC for the selected mode and state. 151 * @mac_finish: finish a major reconfiguration of the interface. 152 * @mac_an_restart: restart 802.3z BaseX autonegotiation. 153 * @mac_link_down: take the link down. 154 * @mac_link_up: allow the link to come up. 155 * 156 * The individual methods are described more fully below. 157 */ 158 struct phylink_mac_ops { 159 void (*validate)(struct phylink_config *config, 160 unsigned long *supported, 161 struct phylink_link_state *state); 162 struct phylink_pcs *(*mac_select_pcs)(struct phylink_config *config, 163 phy_interface_t interface); 164 void (*mac_pcs_get_state)(struct phylink_config *config, 165 struct phylink_link_state *state); 166 int (*mac_prepare)(struct phylink_config *config, unsigned int mode, 167 phy_interface_t iface); 168 void (*mac_config)(struct phylink_config *config, unsigned int mode, 169 const struct phylink_link_state *state); 170 int (*mac_finish)(struct phylink_config *config, unsigned int mode, 171 phy_interface_t iface); 172 void (*mac_an_restart)(struct phylink_config *config); 173 void (*mac_link_down)(struct phylink_config *config, unsigned int mode, 174 phy_interface_t interface); 175 void (*mac_link_up)(struct phylink_config *config, 176 struct phy_device *phy, unsigned int mode, 177 phy_interface_t interface, int speed, int duplex, 178 bool tx_pause, bool rx_pause); 179 }; 180 181 #if 0 /* For kernel-doc purposes only. */ 182 /** 183 * validate - Validate and update the link configuration 184 * @config: a pointer to a &struct phylink_config. 185 * @supported: ethtool bitmask for supported link modes. 186 * @state: a pointer to a &struct phylink_link_state. 187 * 188 * Clear bits in the @supported and @state->advertising masks that 189 * are not supportable by the MAC. 190 * 191 * Note that the PHY may be able to transform from one connection 192 * technology to another, so, eg, don't clear 1000BaseX just 193 * because the MAC is unable to BaseX mode. This is more about 194 * clearing unsupported speeds and duplex settings. The port modes 195 * should not be cleared; phylink_set_port_modes() will help with this. 196 * 197 * When @config->supported_interfaces has been set, phylink will iterate 198 * over the supported interfaces to determine the full capability of the 199 * MAC. The validation function must not print errors if @state->interface 200 * is set to an unexpected value. 201 * 202 * When @config->supported_interfaces is empty, phylink will call this 203 * function with @state->interface set to %PHY_INTERFACE_MODE_NA, and 204 * expects the MAC driver to return all supported link modes. 205 * 206 * If the @state->interface mode is not supported, then the @supported 207 * mask must be cleared. 208 */ 209 void validate(struct phylink_config *config, unsigned long *supported, 210 struct phylink_link_state *state); 211 /** 212 * mac_select_pcs: Select a PCS for the interface mode. 213 * @config: a pointer to a &struct phylink_config. 214 * @interface: PHY interface mode for PCS 215 * 216 * Return the &struct phylink_pcs for the specified interface mode, or 217 * NULL if none is required, or an error pointer on error. 218 * 219 * This must not modify any state. It is used to query which PCS should 220 * be used. Phylink will use this during validation to ensure that the 221 * configuration is valid, and when setting a configuration to internally 222 * set the PCS that will be used. 223 */ 224 struct phylink_pcs *mac_select_pcs(struct phylink_config *config, 225 phy_interface_t interface); 226 227 /** 228 * mac_pcs_get_state() - Read the current inband link state from the hardware 229 * @config: a pointer to a &struct phylink_config. 230 * @state: a pointer to a &struct phylink_link_state. 231 * 232 * Read the current inband link state from the MAC PCS, reporting the 233 * current speed in @state->speed, duplex mode in @state->duplex, pause 234 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 235 * negotiation completion state in @state->an_complete, and link up state 236 * in @state->link. If possible, @state->lp_advertising should also be 237 * populated. 238 * 239 * Note: This is a legacy method. This function will not be called unless 240 * legacy_pre_march2020 is set in &struct phylink_config and there is no 241 * PCS attached. 242 */ 243 void mac_pcs_get_state(struct phylink_config *config, 244 struct phylink_link_state *state); 245 246 /** 247 * mac_prepare() - prepare to change the PHY interface mode 248 * @config: a pointer to a &struct phylink_config. 249 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 250 * @iface: interface mode to switch to 251 * 252 * phylink will call this method at the beginning of a full initialisation 253 * of the link, which includes changing the interface mode or at initial 254 * startup time. It may be called for the current mode. The MAC driver 255 * should perform whatever actions are required, e.g. disabling the 256 * Serdes PHY. 257 * 258 * This will be the first call in the sequence: 259 * - mac_prepare() 260 * - mac_config() 261 * - pcs_config() 262 * - possible pcs_an_restart() 263 * - mac_finish() 264 * 265 * Returns zero on success, or negative errno on failure which will be 266 * reported to the kernel log. 267 */ 268 int mac_prepare(struct phylink_config *config, unsigned int mode, 269 phy_interface_t iface); 270 271 /** 272 * mac_config() - configure the MAC for the selected mode and state 273 * @config: a pointer to a &struct phylink_config. 274 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 275 * @state: a pointer to a &struct phylink_link_state. 276 * 277 * Note - not all members of @state are valid. In particular, 278 * @state->lp_advertising, @state->link, @state->an_complete are never 279 * guaranteed to be correct, and so any mac_config() implementation must 280 * never reference these fields. 281 * 282 * Note: For legacy March 2020 drivers (drivers with legacy_pre_march2020 set 283 * in their &phylnk_config and which don't have a PCS), this function will be 284 * called on each link up event, and to also change the in-band advert. For 285 * non-legacy drivers, it will only be called to reconfigure the MAC for a 286 * "major" change in e.g. interface mode. It will not be called for changes 287 * in speed, duplex or pause modes or to change the in-band advertisement. 288 * In any case, it is strongly preferred that speed, duplex and pause settings 289 * are handled in the mac_link_up() method and not in this method. 290 * 291 * (this requires a rewrite - please refer to mac_link_up() for situations 292 * where the PCS and MAC are not tightly integrated.) 293 * 294 * In all negotiation modes, as defined by @mode, @state->pause indicates the 295 * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not 296 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send 297 * pause frames and/or act on received pause frames respectively. Otherwise, 298 * the results of in-band negotiation/status from the MAC PCS should be used 299 * to control the MAC pause mode settings. 300 * 301 * The action performed depends on the currently selected mode: 302 * 303 * %MLO_AN_FIXED, %MLO_AN_PHY: 304 * Configure for non-inband negotiation mode, where the link settings 305 * are completely communicated via mac_link_up(). The physical link 306 * protocol from the MAC is specified by @state->interface. 307 * 308 * @state->advertising may be used, but is not required. 309 * 310 * Older drivers (prior to the mac_link_up() change) may use @state->speed, 311 * @state->duplex and @state->pause to configure the MAC, but this is 312 * deprecated; such drivers should be converted to use mac_link_up(). 313 * 314 * Other members of @state must be ignored. 315 * 316 * Valid state members: interface, advertising. 317 * Deprecated state members: speed, duplex, pause. 318 * 319 * %MLO_AN_INBAND: 320 * place the link in an inband negotiation mode (such as 802.3z 321 * 1000base-X or Cisco SGMII mode depending on the @state->interface 322 * mode). In both cases, link state management (whether the link 323 * is up or not) is performed by the MAC, and reported via the 324 * mac_pcs_get_state() callback. Changes in link state must be made 325 * by calling phylink_mac_change(). 326 * 327 * Interface mode specific details are mentioned below. 328 * 329 * If in 802.3z mode, the link speed is fixed, dependent on the 330 * @state->interface. Duplex and pause modes are negotiated via 331 * the in-band configuration word. Advertised pause modes are set 332 * according to the @state->an_enabled and @state->advertising 333 * flags. Beware of MACs which only support full duplex at gigabit 334 * and higher speeds. 335 * 336 * If in Cisco SGMII mode, the link speed and duplex mode are passed 337 * in the serial bitstream 16-bit configuration word, and the MAC 338 * should be configured to read these bits and acknowledge the 339 * configuration word. Nothing is advertised by the MAC. The MAC is 340 * responsible for reading the configuration word and configuring 341 * itself accordingly. 342 * 343 * Valid state members: interface, an_enabled, pause, advertising. 344 * 345 * Implementations are expected to update the MAC to reflect the 346 * requested settings - i.o.w., if nothing has changed between two 347 * calls, no action is expected. If only flow control settings have 348 * changed, flow control should be updated *without* taking the link 349 * down. This "update" behaviour is critical to avoid bouncing the 350 * link up status. 351 */ 352 void mac_config(struct phylink_config *config, unsigned int mode, 353 const struct phylink_link_state *state); 354 355 /** 356 * mac_finish() - finish a to change the PHY interface mode 357 * @config: a pointer to a &struct phylink_config. 358 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 359 * @iface: interface mode to switch to 360 * 361 * phylink will call this if it called mac_prepare() to allow the MAC to 362 * complete any necessary steps after the MAC and PCS have been configured 363 * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the 364 * Serdes PHY here if it was previously disabled by mac_prepare(). 365 * 366 * Returns zero on success, or negative errno on failure which will be 367 * reported to the kernel log. 368 */ 369 int mac_finish(struct phylink_config *config, unsigned int mode, 370 phy_interface_t iface); 371 372 /** 373 * mac_an_restart() - restart 802.3z BaseX autonegotiation 374 * @config: a pointer to a &struct phylink_config. 375 * 376 * Note: This is a legacy method. This function will not be called unless 377 * legacy_pre_march2020 is set in &struct phylink_config and there is no 378 * PCS attached. 379 */ 380 void mac_an_restart(struct phylink_config *config); 381 382 /** 383 * mac_link_down() - take the link down 384 * @config: a pointer to a &struct phylink_config. 385 * @mode: link autonegotiation mode 386 * @interface: link &typedef phy_interface_t mode 387 * 388 * If @mode is not an in-band negotiation mode (as defined by 389 * phylink_autoneg_inband()), force the link down and disable any 390 * Energy Efficient Ethernet MAC configuration. Interface type 391 * selection must be done in mac_config(). 392 */ 393 void mac_link_down(struct phylink_config *config, unsigned int mode, 394 phy_interface_t interface); 395 396 /** 397 * mac_link_up() - allow the link to come up 398 * @config: a pointer to a &struct phylink_config. 399 * @phy: any attached phy 400 * @mode: link autonegotiation mode 401 * @interface: link &typedef phy_interface_t mode 402 * @speed: link speed 403 * @duplex: link duplex 404 * @tx_pause: link transmit pause enablement status 405 * @rx_pause: link receive pause enablement status 406 * 407 * Configure the MAC for an established link. 408 * 409 * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link 410 * settings, and should be used to configure the MAC block appropriately 411 * where these settings are not automatically conveyed from the PCS block, 412 * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode)) 413 * is disabled. 414 * 415 * Note that when 802.3z in-band negotiation is in use, it is possible 416 * that the user wishes to override the pause settings, and this should 417 * be allowed when considering the implementation of this method. 418 * 419 * If in-band negotiation mode is disabled, allow the link to come up. If 420 * @phy is non-%NULL, configure Energy Efficient Ethernet by calling 421 * phy_init_eee() and perform appropriate MAC configuration for EEE. 422 * Interface type selection must be done in mac_config(). 423 */ 424 void mac_link_up(struct phylink_config *config, struct phy_device *phy, 425 unsigned int mode, phy_interface_t interface, 426 int speed, int duplex, bool tx_pause, bool rx_pause); 427 #endif 428 429 struct phylink_pcs_ops; 430 431 /** 432 * struct phylink_pcs - PHYLINK PCS instance 433 * @ops: a pointer to the &struct phylink_pcs_ops structure 434 * @poll: poll the PCS for link changes 435 * 436 * This structure is designed to be embedded within the PCS private data, 437 * and will be passed between phylink and the PCS. 438 */ 439 struct phylink_pcs { 440 const struct phylink_pcs_ops *ops; 441 bool poll; 442 }; 443 444 /** 445 * struct phylink_pcs_ops - MAC PCS operations structure. 446 * @pcs_validate: validate the link configuration. 447 * @pcs_get_state: read the current MAC PCS link state from the hardware. 448 * @pcs_config: configure the MAC PCS for the selected mode and state. 449 * @pcs_an_restart: restart 802.3z BaseX autonegotiation. 450 * @pcs_link_up: program the PCS for the resolved link configuration 451 * (where necessary). 452 */ 453 struct phylink_pcs_ops { 454 int (*pcs_validate)(struct phylink_pcs *pcs, unsigned long *supported, 455 const struct phylink_link_state *state); 456 void (*pcs_get_state)(struct phylink_pcs *pcs, 457 struct phylink_link_state *state); 458 int (*pcs_config)(struct phylink_pcs *pcs, unsigned int mode, 459 phy_interface_t interface, 460 const unsigned long *advertising, 461 bool permit_pause_to_mac); 462 void (*pcs_an_restart)(struct phylink_pcs *pcs); 463 void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int mode, 464 phy_interface_t interface, int speed, int duplex); 465 }; 466 467 #if 0 /* For kernel-doc purposes only. */ 468 /** 469 * pcs_validate() - validate the link configuration. 470 * @pcs: a pointer to a &struct phylink_pcs. 471 * @supported: ethtool bitmask for supported link modes. 472 * @state: a const pointer to a &struct phylink_link_state. 473 * 474 * Validate the interface mode, and advertising's autoneg bit, removing any 475 * media ethtool link modes that would not be supportable from the supported 476 * mask. Phylink will propagate the changes to the advertising mask. See the 477 * &struct phylink_mac_ops validate() method. 478 * 479 * Returns -EINVAL if the interface mode/autoneg mode is not supported. 480 * Returns non-zero positive if the link state can be supported. 481 */ 482 int pcs_validate(struct phylink_pcs *pcs, unsigned long *supported, 483 const struct phylink_link_state *state); 484 485 /** 486 * pcs_get_state() - Read the current inband link state from the hardware 487 * @pcs: a pointer to a &struct phylink_pcs. 488 * @state: a pointer to a &struct phylink_link_state. 489 * 490 * Read the current inband link state from the MAC PCS, reporting the 491 * current speed in @state->speed, duplex mode in @state->duplex, pause 492 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 493 * negotiation completion state in @state->an_complete, and link up state 494 * in @state->link. If possible, @state->lp_advertising should also be 495 * populated. 496 * 497 * When present, this overrides mac_pcs_get_state() in &struct 498 * phylink_mac_ops. 499 */ 500 void pcs_get_state(struct phylink_pcs *pcs, 501 struct phylink_link_state *state); 502 503 /** 504 * pcs_config() - Configure the PCS mode and advertisement 505 * @pcs: a pointer to a &struct phylink_pcs. 506 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 507 * @interface: interface mode to be used 508 * @advertising: adertisement ethtool link mode mask 509 * @permit_pause_to_mac: permit forwarding pause resolution to MAC 510 * 511 * Configure the PCS for the operating mode, the interface mode, and set 512 * the advertisement mask. @permit_pause_to_mac indicates whether the 513 * hardware may forward the pause mode resolution to the MAC. 514 * 515 * When operating in %MLO_AN_INBAND, inband should always be enabled, 516 * otherwise inband should be disabled. 517 * 518 * For SGMII, there is no advertisement from the MAC side, the PCS should 519 * be programmed to acknowledge the inband word from the PHY. 520 * 521 * For 1000BASE-X, the advertisement should be programmed into the PCS. 522 * 523 * For most 10GBASE-R, there is no advertisement. 524 */ 525 int pcs_config(struct phylink_pcs *pcs, unsigned int mode, 526 phy_interface_t interface, const unsigned long *advertising, 527 bool permit_pause_to_mac); 528 529 /** 530 * pcs_an_restart() - restart 802.3z BaseX autonegotiation 531 * @pcs: a pointer to a &struct phylink_pcs. 532 * 533 * When PCS ops are present, this overrides mac_an_restart() in &struct 534 * phylink_mac_ops. 535 */ 536 void pcs_an_restart(struct phylink_pcs *pcs); 537 538 /** 539 * pcs_link_up() - program the PCS for the resolved link configuration 540 * @pcs: a pointer to a &struct phylink_pcs. 541 * @mode: link autonegotiation mode 542 * @interface: link &typedef phy_interface_t mode 543 * @speed: link speed 544 * @duplex: link duplex 545 * 546 * This call will be made just before mac_link_up() to inform the PCS of 547 * the resolved link parameters. For example, a PCS operating in SGMII 548 * mode without in-band AN needs to be manually configured for the link 549 * and duplex setting. Otherwise, this should be a no-op. 550 */ 551 void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, 552 phy_interface_t interface, int speed, int duplex); 553 #endif 554 555 void phylink_caps_to_linkmodes(unsigned long *linkmodes, unsigned long caps); 556 unsigned long phylink_get_capabilities(phy_interface_t interface, 557 unsigned long mac_capabilities, 558 int rate_matching); 559 void phylink_generic_validate(struct phylink_config *config, 560 unsigned long *supported, 561 struct phylink_link_state *state); 562 563 struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, 564 phy_interface_t iface, 565 const struct phylink_mac_ops *mac_ops); 566 void phylink_destroy(struct phylink *); 567 568 int phylink_connect_phy(struct phylink *, struct phy_device *); 569 int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); 570 int phylink_fwnode_phy_connect(struct phylink *pl, 571 struct fwnode_handle *fwnode, 572 u32 flags); 573 void phylink_disconnect_phy(struct phylink *); 574 575 void phylink_mac_change(struct phylink *, bool up); 576 577 void phylink_start(struct phylink *); 578 void phylink_stop(struct phylink *); 579 580 void phylink_suspend(struct phylink *pl, bool mac_wol); 581 void phylink_resume(struct phylink *pl); 582 583 void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); 584 int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); 585 586 int phylink_ethtool_ksettings_get(struct phylink *, 587 struct ethtool_link_ksettings *); 588 int phylink_ethtool_ksettings_set(struct phylink *, 589 const struct ethtool_link_ksettings *); 590 int phylink_ethtool_nway_reset(struct phylink *); 591 void phylink_ethtool_get_pauseparam(struct phylink *, 592 struct ethtool_pauseparam *); 593 int phylink_ethtool_set_pauseparam(struct phylink *, 594 struct ethtool_pauseparam *); 595 int phylink_get_eee_err(struct phylink *); 596 int phylink_init_eee(struct phylink *, bool); 597 int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); 598 int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); 599 int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); 600 int phylink_speed_down(struct phylink *pl, bool sync); 601 int phylink_speed_up(struct phylink *pl); 602 603 #define phylink_zero(bm) \ 604 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) 605 #define __phylink_do_bit(op, bm, mode) \ 606 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm) 607 608 #define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode) 609 #define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode) 610 #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) 611 612 void phylink_set_port_modes(unsigned long *bits); 613 614 void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, 615 u16 bmsr, u16 lpa); 616 void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, 617 struct phylink_link_state *state); 618 int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, 619 const unsigned long *advertising); 620 int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode, 621 phy_interface_t interface, 622 const unsigned long *advertising); 623 void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs); 624 625 void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs, 626 struct phylink_link_state *state); 627 628 void phylink_decode_usxgmii_word(struct phylink_link_state *state, 629 uint16_t lpa); 630 #endif 631