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 8struct device_node; 9struct ethtool_cmd; 10struct fwnode_handle; 11struct net_device; 12struct phylink; 13 14enum { 15 MLO_PAUSE_NONE, 16 MLO_PAUSE_RX = BIT(0), 17 MLO_PAUSE_TX = BIT(1), 18 MLO_PAUSE_TXRX_MASK = MLO_PAUSE_TX | MLO_PAUSE_RX, 19 MLO_PAUSE_AN = BIT(2), 20 21 MLO_AN_PHY = 0, /* Conventional PHY */ 22 MLO_AN_FIXED, /* Fixed-link mode */ 23 MLO_AN_INBAND, /* In-band protocol */ 24 25 /* PCS "negotiation" mode. 26 * PHYLINK_PCS_NEG_NONE - protocol has no inband capability 27 * PHYLINK_PCS_NEG_OUTBAND - some out of band or fixed link setting 28 * PHYLINK_PCS_NEG_INBAND_DISABLED - inband mode disabled, e.g. 29 * 1000base-X with autoneg off 30 * PHYLINK_PCS_NEG_INBAND_ENABLED - inband mode enabled 31 * Additionally, this can be tested using bitmasks: 32 * PHYLINK_PCS_NEG_INBAND - inband mode selected 33 * PHYLINK_PCS_NEG_ENABLED - negotiation mode enabled 34 */ 35 PHYLINK_PCS_NEG_NONE = 0, 36 PHYLINK_PCS_NEG_ENABLED = BIT(4), 37 PHYLINK_PCS_NEG_OUTBAND = BIT(5), 38 PHYLINK_PCS_NEG_INBAND = BIT(6), 39 PHYLINK_PCS_NEG_INBAND_DISABLED = PHYLINK_PCS_NEG_INBAND, 40 PHYLINK_PCS_NEG_INBAND_ENABLED = PHYLINK_PCS_NEG_INBAND | 41 PHYLINK_PCS_NEG_ENABLED, 42 43 /* MAC_SYM_PAUSE and MAC_ASYM_PAUSE are used when configuring our 44 * autonegotiation advertisement. They correspond to the PAUSE and 45 * ASM_DIR bits defined by 802.3, respectively. 46 * 47 * The following table lists the values of tx_pause and rx_pause which 48 * might be requested in mac_link_up. The exact values depend on either 49 * the results of autonegotation (if MLO_PAUSE_AN is set) or user 50 * configuration (if MLO_PAUSE_AN is not set). 51 * 52 * MAC_SYM_PAUSE MAC_ASYM_PAUSE MLO_PAUSE_AN tx_pause/rx_pause 53 * ============= ============== ============ ================== 54 * 0 0 0 0/0 55 * 0 0 1 0/0 56 * 0 1 0 0/0, 0/1, 1/0, 1/1 57 * 0 1 1 0/0, 1/0 58 * 1 0 0 0/0, 1/1 59 * 1 0 1 0/0, 1/1 60 * 1 1 0 0/0, 0/1, 1/0, 1/1 61 * 1 1 1 0/0, 0/1, 1/1 62 * 63 * If you set MAC_ASYM_PAUSE, the user may request any combination of 64 * tx_pause and rx_pause. You do not have to support these 65 * combinations. 66 * 67 * However, you should support combinations of tx_pause and rx_pause 68 * which might be the result of autonegotation. For example, don't set 69 * MAC_SYM_PAUSE unless your device can support tx_pause and rx_pause 70 * at the same time. 71 */ 72 MAC_SYM_PAUSE = BIT(0), 73 MAC_ASYM_PAUSE = BIT(1), 74 MAC_10HD = BIT(2), 75 MAC_10FD = BIT(3), 76 MAC_10 = MAC_10HD | MAC_10FD, 77 MAC_100HD = BIT(4), 78 MAC_100FD = BIT(5), 79 MAC_100 = MAC_100HD | MAC_100FD, 80 MAC_1000HD = BIT(6), 81 MAC_1000FD = BIT(7), 82 MAC_1000 = MAC_1000HD | MAC_1000FD, 83 MAC_2500FD = BIT(8), 84 MAC_5000FD = BIT(9), 85 MAC_10000FD = BIT(10), 86 MAC_20000FD = BIT(11), 87 MAC_25000FD = BIT(12), 88 MAC_40000FD = BIT(13), 89 MAC_50000FD = BIT(14), 90 MAC_56000FD = BIT(15), 91 MAC_100000FD = BIT(16), 92 MAC_200000FD = BIT(17), 93 MAC_400000FD = BIT(18), 94}; 95 96static inline bool phylink_autoneg_inband(unsigned int mode) 97{ 98 return mode == MLO_AN_INBAND; 99} 100 101/** 102 * struct phylink_link_state - link state structure 103 * @advertising: ethtool bitmask containing advertised link modes 104 * @lp_advertising: ethtool bitmask containing link partner advertised link 105 * modes 106 * @interface: link &typedef phy_interface_t mode 107 * @speed: link speed, one of the SPEED_* constants. 108 * @duplex: link duplex mode, one of DUPLEX_* constants. 109 * @pause: link pause state, described by MLO_PAUSE_* constants. 110 * @rate_matching: rate matching being performed, one of the RATE_MATCH_* 111 * constants. If rate matching is taking place, then the speed/duplex of 112 * the medium link mode (@speed and @duplex) and the speed/duplex of the phy 113 * interface mode (@interface) are different. 114 * @link: true if the link is up. 115 * @an_complete: true if autonegotiation has completed. 116 */ 117struct phylink_link_state { 118 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 119 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 120 phy_interface_t interface; 121 int speed; 122 int duplex; 123 int pause; 124 int rate_matching; 125 unsigned int link:1; 126 unsigned int an_complete:1; 127}; 128 129enum phylink_op_type { 130 PHYLINK_NETDEV = 0, 131 PHYLINK_DEV, 132}; 133 134/** 135 * struct phylink_config - PHYLINK configuration structure 136 * @dev: a pointer to a struct device associated with the MAC 137 * @type: operation type of PHYLINK instance 138 * @poll_fixed_state: if true, starts link_poll, 139 * if MAC link is at %MLO_AN_FIXED mode. 140 * @mac_managed_pm: if true, indicate the MAC driver is responsible for PHY PM. 141 * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND 142 * @get_fixed_state: callback to execute to determine the fixed link state, 143 * if MAC link is at %MLO_AN_FIXED mode. 144 * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx 145 * are supported by the MAC/PCS. 146 * @mac_capabilities: MAC pause/speed/duplex capabilities. 147 */ 148struct phylink_config { 149 struct device *dev; 150 enum phylink_op_type type; 151 bool poll_fixed_state; 152 bool mac_managed_pm; 153 bool ovr_an_inband; 154 void (*get_fixed_state)(struct phylink_config *config, 155 struct phylink_link_state *state); 156 DECLARE_PHY_INTERFACE_MASK(supported_interfaces); 157 unsigned long mac_capabilities; 158}; 159 160void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed); 161 162/** 163 * struct phylink_mac_ops - MAC operations structure. 164 * @mac_get_caps: Get MAC capabilities for interface mode. 165 * @mac_select_pcs: Select a PCS for the interface mode. 166 * @mac_prepare: prepare for a major reconfiguration of the interface. 167 * @mac_config: configure the MAC for the selected mode and state. 168 * @mac_finish: finish a major reconfiguration of the interface. 169 * @mac_link_down: take the link down. 170 * @mac_link_up: allow the link to come up. 171 * 172 * The individual methods are described more fully below. 173 */ 174struct phylink_mac_ops { 175 unsigned long (*mac_get_caps)(struct phylink_config *config, 176 phy_interface_t interface); 177 struct phylink_pcs *(*mac_select_pcs)(struct phylink_config *config, 178 phy_interface_t interface); 179 int (*mac_prepare)(struct phylink_config *config, unsigned int mode, 180 phy_interface_t iface); 181 void (*mac_config)(struct phylink_config *config, unsigned int mode, 182 const struct phylink_link_state *state); 183 int (*mac_finish)(struct phylink_config *config, unsigned int mode, 184 phy_interface_t iface); 185 void (*mac_link_down)(struct phylink_config *config, unsigned int mode, 186 phy_interface_t interface); 187 void (*mac_link_up)(struct phylink_config *config, 188 struct phy_device *phy, unsigned int mode, 189 phy_interface_t interface, int speed, int duplex, 190 bool tx_pause, bool rx_pause); 191}; 192 193#if 0 /* For kernel-doc purposes only. */ 194/** 195 * mac_get_caps: Get MAC capabilities for interface mode. 196 * @config: a pointer to a &struct phylink_config. 197 * @interface: PHY interface mode. 198 * 199 * Optional method. When not provided, config->mac_capabilities will be used. 200 * When implemented, this returns the MAC capabilities for the specified 201 * interface mode where there is some special handling required by the MAC 202 * driver (e.g. not supporting half-duplex in certain interface modes.) 203 */ 204unsigned long mac_get_caps(struct phylink_config *config, 205 phy_interface_t interface); 206/** 207 * mac_select_pcs: Select a PCS for the interface mode. 208 * @config: a pointer to a &struct phylink_config. 209 * @interface: PHY interface mode for PCS 210 * 211 * Return the &struct phylink_pcs for the specified interface mode, or 212 * NULL if none is required, or an error pointer on error. 213 * 214 * This must not modify any state. It is used to query which PCS should 215 * be used. Phylink will use this during validation to ensure that the 216 * configuration is valid, and when setting a configuration to internally 217 * set the PCS that will be used. 218 */ 219struct phylink_pcs *mac_select_pcs(struct phylink_config *config, 220 phy_interface_t interface); 221 222/** 223 * mac_prepare() - prepare to change the PHY interface mode 224 * @config: a pointer to a &struct phylink_config. 225 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 226 * @iface: interface mode to switch to 227 * 228 * phylink will call this method at the beginning of a full initialisation 229 * of the link, which includes changing the interface mode or at initial 230 * startup time. It may be called for the current mode. The MAC driver 231 * should perform whatever actions are required, e.g. disabling the 232 * Serdes PHY. 233 * 234 * This will be the first call in the sequence: 235 * - mac_prepare() 236 * - mac_config() 237 * - pcs_config() 238 * - possible pcs_an_restart() 239 * - mac_finish() 240 * 241 * Returns zero on success, or negative errno on failure which will be 242 * reported to the kernel log. 243 */ 244int mac_prepare(struct phylink_config *config, unsigned int mode, 245 phy_interface_t iface); 246 247/** 248 * mac_config() - configure the MAC for the selected mode and state 249 * @config: a pointer to a &struct phylink_config. 250 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 251 * @state: a pointer to a &struct phylink_link_state. 252 * 253 * Note - not all members of @state are valid. In particular, 254 * @state->lp_advertising, @state->link, @state->an_complete are never 255 * guaranteed to be correct, and so any mac_config() implementation must 256 * never reference these fields. 257 * 258 * This will only be called to reconfigure the MAC for a "major" change in 259 * e.g. interface mode. It will not be called for changes in speed, duplex 260 * or pause modes or to change the in-band advertisement. 261 * 262 * In all negotiation modes, as defined by @mode, @state->pause indicates the 263 * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not 264 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send 265 * pause frames and/or act on received pause frames respectively. Otherwise, 266 * the results of in-band negotiation/status from the MAC PCS should be used 267 * to control the MAC pause mode settings. 268 * 269 * The action performed depends on the currently selected mode: 270 * 271 * %MLO_AN_FIXED, %MLO_AN_PHY: 272 * Configure for non-inband negotiation mode, where the link settings 273 * are completely communicated via mac_link_up(). The physical link 274 * protocol from the MAC is specified by @state->interface. 275 * 276 * @state->advertising may be used, but is not required. 277 * 278 * Older drivers (prior to the mac_link_up() change) may use @state->speed, 279 * @state->duplex and @state->pause to configure the MAC, but this is 280 * deprecated; such drivers should be converted to use mac_link_up(). 281 * 282 * Other members of @state must be ignored. 283 * 284 * Valid state members: interface, advertising. 285 * Deprecated state members: speed, duplex, pause. 286 * 287 * %MLO_AN_INBAND: 288 * place the link in an inband negotiation mode (such as 802.3z 289 * 1000base-X or Cisco SGMII mode depending on the @state->interface 290 * mode). In both cases, link state management (whether the link 291 * is up or not) is performed by the MAC, and reported via the 292 * pcs_get_state() callback. Changes in link state must be made 293 * by calling phylink_mac_change(). 294 * 295 * Interface mode specific details are mentioned below. 296 * 297 * If in 802.3z mode, the link speed is fixed, dependent on the 298 * @state->interface. Duplex and pause modes are negotiated via 299 * the in-band configuration word. Advertised pause modes are set 300 * according to the @state->an_enabled and @state->advertising 301 * flags. Beware of MACs which only support full duplex at gigabit 302 * and higher speeds. 303 * 304 * If in Cisco SGMII mode, the link speed and duplex mode are passed 305 * in the serial bitstream 16-bit configuration word, and the MAC 306 * should be configured to read these bits and acknowledge the 307 * configuration word. Nothing is advertised by the MAC. The MAC is 308 * responsible for reading the configuration word and configuring 309 * itself accordingly. 310 * 311 * Valid state members: interface, an_enabled, pause, advertising. 312 * 313 * Implementations are expected to update the MAC to reflect the 314 * requested settings - i.o.w., if nothing has changed between two 315 * calls, no action is expected. If only flow control settings have 316 * changed, flow control should be updated *without* taking the link 317 * down. This "update" behaviour is critical to avoid bouncing the 318 * link up status. 319 */ 320void mac_config(struct phylink_config *config, unsigned int mode, 321 const struct phylink_link_state *state); 322 323/** 324 * mac_finish() - finish a to change the PHY interface mode 325 * @config: a pointer to a &struct phylink_config. 326 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 327 * @iface: interface mode to switch to 328 * 329 * phylink will call this if it called mac_prepare() to allow the MAC to 330 * complete any necessary steps after the MAC and PCS have been configured 331 * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the 332 * Serdes PHY here if it was previously disabled by mac_prepare(). 333 * 334 * Returns zero on success, or negative errno on failure which will be 335 * reported to the kernel log. 336 */ 337int mac_finish(struct phylink_config *config, unsigned int mode, 338 phy_interface_t iface); 339 340/** 341 * mac_link_down() - take the link down 342 * @config: a pointer to a &struct phylink_config. 343 * @mode: link autonegotiation mode 344 * @interface: link &typedef phy_interface_t mode 345 * 346 * If @mode is not an in-band negotiation mode (as defined by 347 * phylink_autoneg_inband()), force the link down and disable any 348 * Energy Efficient Ethernet MAC configuration. Interface type 349 * selection must be done in mac_config(). 350 */ 351void mac_link_down(struct phylink_config *config, unsigned int mode, 352 phy_interface_t interface); 353 354/** 355 * mac_link_up() - allow the link to come up 356 * @config: a pointer to a &struct phylink_config. 357 * @phy: any attached phy 358 * @mode: link autonegotiation mode 359 * @interface: link &typedef phy_interface_t mode 360 * @speed: link speed 361 * @duplex: link duplex 362 * @tx_pause: link transmit pause enablement status 363 * @rx_pause: link receive pause enablement status 364 * 365 * Configure the MAC for an established link. 366 * 367 * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link 368 * settings, and should be used to configure the MAC block appropriately 369 * where these settings are not automatically conveyed from the PCS block, 370 * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode)) 371 * is disabled. 372 * 373 * Note that when 802.3z in-band negotiation is in use, it is possible 374 * that the user wishes to override the pause settings, and this should 375 * be allowed when considering the implementation of this method. 376 * 377 * If in-band negotiation mode is disabled, allow the link to come up. If 378 * @phy is non-%NULL, configure Energy Efficient Ethernet by calling 379 * phy_init_eee() and perform appropriate MAC configuration for EEE. 380 * Interface type selection must be done in mac_config(). 381 */ 382void mac_link_up(struct phylink_config *config, struct phy_device *phy, 383 unsigned int mode, phy_interface_t interface, 384 int speed, int duplex, bool tx_pause, bool rx_pause); 385#endif 386 387struct phylink_pcs_ops; 388 389/** 390 * struct phylink_pcs - PHYLINK PCS instance 391 * @ops: a pointer to the &struct phylink_pcs_ops structure 392 * @phylink: pointer to &struct phylink_config 393 * @neg_mode: provide PCS neg mode via "mode" argument 394 * @poll: poll the PCS for link changes 395 * 396 * This structure is designed to be embedded within the PCS private data, 397 * and will be passed between phylink and the PCS. 398 * 399 * The @phylink member is private to phylink and must not be touched by 400 * the PCS driver. 401 */ 402struct phylink_pcs { 403 const struct phylink_pcs_ops *ops; 404 struct phylink *phylink; 405 bool neg_mode; 406 bool poll; 407}; 408 409/** 410 * struct phylink_pcs_ops - MAC PCS operations structure. 411 * @pcs_validate: validate the link configuration. 412 * @pcs_enable: enable the PCS. 413 * @pcs_disable: disable the PCS. 414 * @pcs_pre_config: pre-mac_config method (for errata) 415 * @pcs_post_config: post-mac_config method (for arrata) 416 * @pcs_get_state: read the current MAC PCS link state from the hardware. 417 * @pcs_config: configure the MAC PCS for the selected mode and state. 418 * @pcs_an_restart: restart 802.3z BaseX autonegotiation. 419 * @pcs_link_up: program the PCS for the resolved link configuration 420 * (where necessary). 421 */ 422struct phylink_pcs_ops { 423 int (*pcs_validate)(struct phylink_pcs *pcs, unsigned long *supported, 424 const struct phylink_link_state *state); 425 int (*pcs_enable)(struct phylink_pcs *pcs); 426 void (*pcs_disable)(struct phylink_pcs *pcs); 427 void (*pcs_pre_config)(struct phylink_pcs *pcs, 428 phy_interface_t interface); 429 int (*pcs_post_config)(struct phylink_pcs *pcs, 430 phy_interface_t interface); 431 void (*pcs_get_state)(struct phylink_pcs *pcs, 432 struct phylink_link_state *state); 433 int (*pcs_config)(struct phylink_pcs *pcs, unsigned int neg_mode, 434 phy_interface_t interface, 435 const unsigned long *advertising, 436 bool permit_pause_to_mac); 437 void (*pcs_an_restart)(struct phylink_pcs *pcs); 438 void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int neg_mode, 439 phy_interface_t interface, int speed, int duplex); 440}; 441 442#if 0 /* For kernel-doc purposes only. */ 443/** 444 * pcs_validate() - validate the link configuration. 445 * @pcs: a pointer to a &struct phylink_pcs. 446 * @supported: ethtool bitmask for supported link modes. 447 * @state: a const pointer to a &struct phylink_link_state. 448 * 449 * Validate the interface mode, and advertising's autoneg bit, removing any 450 * media ethtool link modes that would not be supportable from the supported 451 * mask. Phylink will propagate the changes to the advertising mask. See the 452 * &struct phylink_mac_ops validate() method. 453 * 454 * Returns -EINVAL if the interface mode/autoneg mode is not supported. 455 * Returns non-zero positive if the link state can be supported. 456 */ 457int pcs_validate(struct phylink_pcs *pcs, unsigned long *supported, 458 const struct phylink_link_state *state); 459 460/** 461 * pcs_enable() - enable the PCS. 462 * @pcs: a pointer to a &struct phylink_pcs. 463 */ 464int pcs_enable(struct phylink_pcs *pcs); 465 466/** 467 * pcs_disable() - disable the PCS. 468 * @pcs: a pointer to a &struct phylink_pcs. 469 */ 470void pcs_disable(struct phylink_pcs *pcs); 471 472/** 473 * pcs_get_state() - Read the current inband link state from the hardware 474 * @pcs: a pointer to a &struct phylink_pcs. 475 * @state: a pointer to a &struct phylink_link_state. 476 * 477 * Read the current inband link state from the MAC PCS, reporting the 478 * current speed in @state->speed, duplex mode in @state->duplex, pause 479 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 480 * negotiation completion state in @state->an_complete, and link up state 481 * in @state->link. If possible, @state->lp_advertising should also be 482 * populated. 483 */ 484void pcs_get_state(struct phylink_pcs *pcs, 485 struct phylink_link_state *state); 486 487/** 488 * pcs_config() - Configure the PCS mode and advertisement 489 * @pcs: a pointer to a &struct phylink_pcs. 490 * @neg_mode: link negotiation mode (see below) 491 * @interface: interface mode to be used 492 * @advertising: adertisement ethtool link mode mask 493 * @permit_pause_to_mac: permit forwarding pause resolution to MAC 494 * 495 * Configure the PCS for the operating mode, the interface mode, and set 496 * the advertisement mask. @permit_pause_to_mac indicates whether the 497 * hardware may forward the pause mode resolution to the MAC. 498 * 499 * When operating in %MLO_AN_INBAND, inband should always be enabled, 500 * otherwise inband should be disabled. 501 * 502 * For SGMII, there is no advertisement from the MAC side, the PCS should 503 * be programmed to acknowledge the inband word from the PHY. 504 * 505 * For 1000BASE-X, the advertisement should be programmed into the PCS. 506 * 507 * For most 10GBASE-R, there is no advertisement. 508 * 509 * The %neg_mode argument should be tested via the phylink_mode_*() family of 510 * functions, or for PCS that set pcs->neg_mode true, should be tested 511 * against the PHYLINK_PCS_NEG_* definitions. 512 */ 513int pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode, 514 phy_interface_t interface, const unsigned long *advertising, 515 bool permit_pause_to_mac); 516 517/** 518 * pcs_an_restart() - restart 802.3z BaseX autonegotiation 519 * @pcs: a pointer to a &struct phylink_pcs. 520 * 521 * When PCS ops are present, this overrides mac_an_restart() in &struct 522 * phylink_mac_ops. 523 */ 524void pcs_an_restart(struct phylink_pcs *pcs); 525 526/** 527 * pcs_link_up() - program the PCS for the resolved link configuration 528 * @pcs: a pointer to a &struct phylink_pcs. 529 * @neg_mode: link negotiation mode (see below) 530 * @interface: link &typedef phy_interface_t mode 531 * @speed: link speed 532 * @duplex: link duplex 533 * 534 * This call will be made just before mac_link_up() to inform the PCS of 535 * the resolved link parameters. For example, a PCS operating in SGMII 536 * mode without in-band AN needs to be manually configured for the link 537 * and duplex setting. Otherwise, this should be a no-op. 538 * 539 * The %mode argument should be tested via the phylink_mode_*() family of 540 * functions, or for PCS that set pcs->neg_mode true, should be tested 541 * against the PHYLINK_PCS_NEG_* definitions. 542 */ 543void pcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode, 544 phy_interface_t interface, int speed, int duplex); 545#endif 546 547struct phylink *phylink_create(struct phylink_config *, 548 const struct fwnode_handle *, 549 phy_interface_t, 550 const struct phylink_mac_ops *); 551void phylink_destroy(struct phylink *); 552bool phylink_expects_phy(struct phylink *pl); 553 554int phylink_connect_phy(struct phylink *, struct phy_device *); 555int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); 556int phylink_fwnode_phy_connect(struct phylink *pl, 557 const struct fwnode_handle *fwnode, 558 u32 flags); 559void phylink_disconnect_phy(struct phylink *); 560 561void phylink_mac_change(struct phylink *, bool up); 562void phylink_pcs_change(struct phylink_pcs *, bool up); 563 564void phylink_start(struct phylink *); 565void phylink_stop(struct phylink *); 566 567void phylink_suspend(struct phylink *pl, bool mac_wol); 568void phylink_resume(struct phylink *pl); 569 570void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); 571int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); 572 573int phylink_ethtool_ksettings_get(struct phylink *, 574 struct ethtool_link_ksettings *); 575int phylink_ethtool_ksettings_set(struct phylink *, 576 const struct ethtool_link_ksettings *); 577int phylink_ethtool_nway_reset(struct phylink *); 578void phylink_ethtool_get_pauseparam(struct phylink *, 579 struct ethtool_pauseparam *); 580int phylink_ethtool_set_pauseparam(struct phylink *, 581 struct ethtool_pauseparam *); 582int phylink_get_eee_err(struct phylink *); 583int phylink_init_eee(struct phylink *, bool); 584int phylink_ethtool_get_eee(struct phylink *link, struct ethtool_keee *eee); 585int phylink_ethtool_set_eee(struct phylink *link, struct ethtool_keee *eee); 586int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); 587int phylink_speed_down(struct phylink *pl, bool sync); 588int phylink_speed_up(struct phylink *pl); 589 590#define phylink_zero(bm) \ 591 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) 592#define __phylink_do_bit(op, bm, mode) \ 593 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm) 594 595#define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode) 596#define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode) 597#define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) 598 599void phylink_set_port_modes(unsigned long *bits); 600 601/** 602 * phylink_get_link_timer_ns - return the PCS link timer value 603 * @interface: link &typedef phy_interface_t mode 604 * 605 * Return the PCS link timer setting in nanoseconds for the PHY @interface 606 * mode, or -EINVAL if not appropriate. 607 */ 608static inline int phylink_get_link_timer_ns(phy_interface_t interface) 609{ 610 switch (interface) { 611 case PHY_INTERFACE_MODE_SGMII: 612 case PHY_INTERFACE_MODE_QSGMII: 613 case PHY_INTERFACE_MODE_USXGMII: 614 return 1600000; 615 616 case PHY_INTERFACE_MODE_1000BASEX: 617 case PHY_INTERFACE_MODE_2500BASEX: 618 return 10000000; 619 620 default: 621 return -EINVAL; 622 } 623} 624 625void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, 626 u16 bmsr, u16 lpa); 627void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, 628 struct phylink_link_state *state); 629int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, 630 const unsigned long *advertising); 631int phylink_mii_c22_pcs_config(struct mdio_device *pcs, 632 phy_interface_t interface, 633 const unsigned long *advertising, 634 unsigned int neg_mode); 635void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs); 636 637void phylink_resolve_c73(struct phylink_link_state *state); 638 639void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs, 640 struct phylink_link_state *state); 641 642void phylink_decode_usxgmii_word(struct phylink_link_state *state, 643 uint16_t lpa); 644#endif 645