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 * @poll_fixed_state: if true, starts link_poll, 90 * if MAC link is at %MLO_AN_FIXED mode. 91 * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND 92 * @get_fixed_state: callback to execute to determine the fixed link state, 93 * if MAC link is at %MLO_AN_FIXED mode. 94 * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx 95 * are supported by the MAC/PCS. 96 * @mac_capabilities: MAC pause/speed/duplex capabilities. 97 */ 98 struct phylink_config { 99 struct device *dev; 100 enum phylink_op_type type; 101 bool legacy_pre_march2020; 102 bool poll_fixed_state; 103 bool ovr_an_inband; 104 void (*get_fixed_state)(struct phylink_config *config, 105 struct phylink_link_state *state); 106 DECLARE_PHY_INTERFACE_MASK(supported_interfaces); 107 unsigned long mac_capabilities; 108 }; 109 110 /** 111 * struct phylink_mac_ops - MAC operations structure. 112 * @validate: Validate and update the link configuration. 113 * @mac_select_pcs: Select a PCS for the interface mode. 114 * @mac_pcs_get_state: Read the current link state from the hardware. 115 * @mac_prepare: prepare for a major reconfiguration of the interface. 116 * @mac_config: configure the MAC for the selected mode and state. 117 * @mac_finish: finish a major reconfiguration of the interface. 118 * @mac_an_restart: restart 802.3z BaseX autonegotiation. 119 * @mac_link_down: take the link down. 120 * @mac_link_up: allow the link to come up. 121 * 122 * The individual methods are described more fully below. 123 */ 124 struct phylink_mac_ops { 125 void (*validate)(struct phylink_config *config, 126 unsigned long *supported, 127 struct phylink_link_state *state); 128 struct phylink_pcs *(*mac_select_pcs)(struct phylink_config *config, 129 phy_interface_t interface); 130 void (*mac_pcs_get_state)(struct phylink_config *config, 131 struct phylink_link_state *state); 132 int (*mac_prepare)(struct phylink_config *config, unsigned int mode, 133 phy_interface_t iface); 134 void (*mac_config)(struct phylink_config *config, unsigned int mode, 135 const struct phylink_link_state *state); 136 int (*mac_finish)(struct phylink_config *config, unsigned int mode, 137 phy_interface_t iface); 138 void (*mac_an_restart)(struct phylink_config *config); 139 void (*mac_link_down)(struct phylink_config *config, unsigned int mode, 140 phy_interface_t interface); 141 void (*mac_link_up)(struct phylink_config *config, 142 struct phy_device *phy, unsigned int mode, 143 phy_interface_t interface, int speed, int duplex, 144 bool tx_pause, bool rx_pause); 145 }; 146 147 #if 0 /* For kernel-doc purposes only. */ 148 /** 149 * validate - Validate and update the link configuration 150 * @config: a pointer to a &struct phylink_config. 151 * @supported: ethtool bitmask for supported link modes. 152 * @state: a pointer to a &struct phylink_link_state. 153 * 154 * Clear bits in the @supported and @state->advertising masks that 155 * are not supportable by the MAC. 156 * 157 * Note that the PHY may be able to transform from one connection 158 * technology to another, so, eg, don't clear 1000BaseX just 159 * because the MAC is unable to BaseX mode. This is more about 160 * clearing unsupported speeds and duplex settings. The port modes 161 * should not be cleared; phylink_set_port_modes() will help with this. 162 * 163 * If the @state->interface mode is %PHY_INTERFACE_MODE_1000BASEX 164 * or %PHY_INTERFACE_MODE_2500BASEX, select the appropriate mode 165 * based on @state->advertising and/or @state->speed and update 166 * @state->interface accordingly. See phylink_helper_basex_speed(). 167 * 168 * When @config->supported_interfaces has been set, phylink will iterate 169 * over the supported interfaces to determine the full capability of the 170 * MAC. The validation function must not print errors if @state->interface 171 * is set to an unexpected value. 172 * 173 * When @config->supported_interfaces is empty, phylink will call this 174 * function with @state->interface set to %PHY_INTERFACE_MODE_NA, and 175 * expects the MAC driver to return all supported link modes. 176 * 177 * If the @state->interface mode is not supported, then the @supported 178 * mask must be cleared. 179 */ 180 void validate(struct phylink_config *config, unsigned long *supported, 181 struct phylink_link_state *state); 182 /** 183 * mac_select_pcs: Select a PCS for the interface mode. 184 * @config: a pointer to a &struct phylink_config. 185 * @interface: PHY interface mode for PCS 186 * 187 * Return the &struct phylink_pcs for the specified interface mode, or 188 * NULL if none is required, or an error pointer on error. 189 * 190 * This must not modify any state. It is used to query which PCS should 191 * be used. Phylink will use this during validation to ensure that the 192 * configuration is valid, and when setting a configuration to internally 193 * set the PCS that will be used. 194 */ 195 struct phylink_pcs *mac_select_pcs(struct phylink_config *config, 196 phy_interface_t interface); 197 198 /** 199 * mac_pcs_get_state() - Read the current inband link state from the hardware 200 * @config: a pointer to a &struct phylink_config. 201 * @state: a pointer to a &struct phylink_link_state. 202 * 203 * Read the current inband link state from the MAC PCS, reporting the 204 * current speed in @state->speed, duplex mode in @state->duplex, pause 205 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 206 * negotiation completion state in @state->an_complete, and link up state 207 * in @state->link. If possible, @state->lp_advertising should also be 208 * populated. 209 * 210 * Note: This is a legacy method. This function will not be called unless 211 * legacy_pre_march2020 is set in &struct phylink_config and there is no 212 * PCS attached. 213 */ 214 void mac_pcs_get_state(struct phylink_config *config, 215 struct phylink_link_state *state); 216 217 /** 218 * mac_prepare() - prepare to change the PHY interface mode 219 * @config: a pointer to a &struct phylink_config. 220 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 221 * @iface: interface mode to switch to 222 * 223 * phylink will call this method at the beginning of a full initialisation 224 * of the link, which includes changing the interface mode or at initial 225 * startup time. It may be called for the current mode. The MAC driver 226 * should perform whatever actions are required, e.g. disabling the 227 * Serdes PHY. 228 * 229 * This will be the first call in the sequence: 230 * - mac_prepare() 231 * - mac_config() 232 * - pcs_config() 233 * - possible pcs_an_restart() 234 * - mac_finish() 235 * 236 * Returns zero on success, or negative errno on failure which will be 237 * reported to the kernel log. 238 */ 239 int mac_prepare(struct phylink_config *config, unsigned int mode, 240 phy_interface_t iface); 241 242 /** 243 * mac_config() - configure the MAC for the selected mode and state 244 * @config: a pointer to a &struct phylink_config. 245 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 246 * @state: a pointer to a &struct phylink_link_state. 247 * 248 * Note - not all members of @state are valid. In particular, 249 * @state->lp_advertising, @state->link, @state->an_complete are never 250 * guaranteed to be correct, and so any mac_config() implementation must 251 * never reference these fields. 252 * 253 * Note: For legacy March 2020 drivers (drivers with legacy_pre_march2020 set 254 * in their &phylnk_config and which don't have a PCS), this function will be 255 * called on each link up event, and to also change the in-band advert. For 256 * non-legacy drivers, it will only be called to reconfigure the MAC for a 257 * "major" change in e.g. interface mode. It will not be called for changes 258 * in speed, duplex or pause modes or to change the in-band advertisement. 259 * In any case, it is strongly preferred that speed, duplex and pause settings 260 * are handled in the mac_link_up() method and not in this method. 261 * 262 * (this requires a rewrite - please refer to mac_link_up() for situations 263 * where the PCS and MAC are not tightly integrated.) 264 * 265 * In all negotiation modes, as defined by @mode, @state->pause indicates the 266 * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not 267 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send 268 * pause frames and/or act on received pause frames respectively. Otherwise, 269 * the results of in-band negotiation/status from the MAC PCS should be used 270 * to control the MAC pause mode settings. 271 * 272 * The action performed depends on the currently selected mode: 273 * 274 * %MLO_AN_FIXED, %MLO_AN_PHY: 275 * Configure for non-inband negotiation mode, where the link settings 276 * are completely communicated via mac_link_up(). The physical link 277 * protocol from the MAC is specified by @state->interface. 278 * 279 * @state->advertising may be used, but is not required. 280 * 281 * Older drivers (prior to the mac_link_up() change) may use @state->speed, 282 * @state->duplex and @state->pause to configure the MAC, but this is 283 * deprecated; such drivers should be converted to use mac_link_up(). 284 * 285 * Other members of @state must be ignored. 286 * 287 * Valid state members: interface, advertising. 288 * Deprecated state members: speed, duplex, pause. 289 * 290 * %MLO_AN_INBAND: 291 * place the link in an inband negotiation mode (such as 802.3z 292 * 1000base-X or Cisco SGMII mode depending on the @state->interface 293 * mode). In both cases, link state management (whether the link 294 * is up or not) is performed by the MAC, and reported via the 295 * mac_pcs_get_state() callback. Changes in link state must be made 296 * by calling phylink_mac_change(). 297 * 298 * Interface mode specific details are mentioned below. 299 * 300 * If in 802.3z mode, the link speed is fixed, dependent on the 301 * @state->interface. Duplex and pause modes are negotiated via 302 * the in-band configuration word. Advertised pause modes are set 303 * according to the @state->an_enabled and @state->advertising 304 * flags. Beware of MACs which only support full duplex at gigabit 305 * and higher speeds. 306 * 307 * If in Cisco SGMII mode, the link speed and duplex mode are passed 308 * in the serial bitstream 16-bit configuration word, and the MAC 309 * should be configured to read these bits and acknowledge the 310 * configuration word. Nothing is advertised by the MAC. The MAC is 311 * responsible for reading the configuration word and configuring 312 * itself accordingly. 313 * 314 * Valid state members: interface, an_enabled, pause, advertising. 315 * 316 * Implementations are expected to update the MAC to reflect the 317 * requested settings - i.o.w., if nothing has changed between two 318 * calls, no action is expected. If only flow control settings have 319 * changed, flow control should be updated *without* taking the link 320 * down. This "update" behaviour is critical to avoid bouncing the 321 * link up status. 322 */ 323 void mac_config(struct phylink_config *config, unsigned int mode, 324 const struct phylink_link_state *state); 325 326 /** 327 * mac_finish() - finish a to change the PHY interface mode 328 * @config: a pointer to a &struct phylink_config. 329 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 330 * @iface: interface mode to switch to 331 * 332 * phylink will call this if it called mac_prepare() to allow the MAC to 333 * complete any necessary steps after the MAC and PCS have been configured 334 * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the 335 * Serdes PHY here if it was previously disabled by mac_prepare(). 336 * 337 * Returns zero on success, or negative errno on failure which will be 338 * reported to the kernel log. 339 */ 340 int mac_finish(struct phylink_config *config, unsigned int mode, 341 phy_interface_t iface); 342 343 /** 344 * mac_an_restart() - restart 802.3z BaseX autonegotiation 345 * @config: a pointer to a &struct phylink_config. 346 * 347 * Note: This is a legacy method. This function will not be called unless 348 * legacy_pre_march2020 is set in &struct phylink_config and there is no 349 * PCS attached. 350 */ 351 void mac_an_restart(struct phylink_config *config); 352 353 /** 354 * mac_link_down() - take the link down 355 * @config: a pointer to a &struct phylink_config. 356 * @mode: link autonegotiation mode 357 * @interface: link &typedef phy_interface_t mode 358 * 359 * If @mode is not an in-band negotiation mode (as defined by 360 * phylink_autoneg_inband()), force the link down and disable any 361 * Energy Efficient Ethernet MAC configuration. Interface type 362 * selection must be done in mac_config(). 363 */ 364 void mac_link_down(struct phylink_config *config, unsigned int mode, 365 phy_interface_t interface); 366 367 /** 368 * mac_link_up() - allow the link to come up 369 * @config: a pointer to a &struct phylink_config. 370 * @phy: any attached phy 371 * @mode: link autonegotiation mode 372 * @interface: link &typedef phy_interface_t mode 373 * @speed: link speed 374 * @duplex: link duplex 375 * @tx_pause: link transmit pause enablement status 376 * @rx_pause: link receive pause enablement status 377 * 378 * Configure the MAC for an established link. 379 * 380 * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link 381 * settings, and should be used to configure the MAC block appropriately 382 * where these settings are not automatically conveyed from the PCS block, 383 * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode)) 384 * is disabled. 385 * 386 * Note that when 802.3z in-band negotiation is in use, it is possible 387 * that the user wishes to override the pause settings, and this should 388 * be allowed when considering the implementation of this method. 389 * 390 * If in-band negotiation mode is disabled, allow the link to come up. If 391 * @phy is non-%NULL, configure Energy Efficient Ethernet by calling 392 * phy_init_eee() and perform appropriate MAC configuration for EEE. 393 * Interface type selection must be done in mac_config(). 394 */ 395 void mac_link_up(struct phylink_config *config, struct phy_device *phy, 396 unsigned int mode, phy_interface_t interface, 397 int speed, int duplex, bool tx_pause, bool rx_pause); 398 #endif 399 400 struct phylink_pcs_ops; 401 402 /** 403 * struct phylink_pcs - PHYLINK PCS instance 404 * @ops: a pointer to the &struct phylink_pcs_ops structure 405 * @poll: poll the PCS for link changes 406 * 407 * This structure is designed to be embedded within the PCS private data, 408 * and will be passed between phylink and the PCS. 409 */ 410 struct phylink_pcs { 411 const struct phylink_pcs_ops *ops; 412 bool poll; 413 }; 414 415 /** 416 * struct phylink_pcs_ops - MAC PCS operations structure. 417 * @pcs_validate: validate the link configuration. 418 * @pcs_get_state: read the current MAC PCS link state from the hardware. 419 * @pcs_config: configure the MAC PCS for the selected mode and state. 420 * @pcs_an_restart: restart 802.3z BaseX autonegotiation. 421 * @pcs_link_up: program the PCS for the resolved link configuration 422 * (where necessary). 423 */ 424 struct phylink_pcs_ops { 425 int (*pcs_validate)(struct phylink_pcs *pcs, unsigned long *supported, 426 const struct phylink_link_state *state); 427 void (*pcs_get_state)(struct phylink_pcs *pcs, 428 struct phylink_link_state *state); 429 int (*pcs_config)(struct phylink_pcs *pcs, unsigned int mode, 430 phy_interface_t interface, 431 const unsigned long *advertising, 432 bool permit_pause_to_mac); 433 void (*pcs_an_restart)(struct phylink_pcs *pcs); 434 void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int mode, 435 phy_interface_t interface, int speed, int duplex); 436 }; 437 438 #if 0 /* For kernel-doc purposes only. */ 439 /** 440 * pcs_validate() - validate the link configuration. 441 * @pcs: a pointer to a &struct phylink_pcs. 442 * @supported: ethtool bitmask for supported link modes. 443 * @state: a const pointer to a &struct phylink_link_state. 444 * 445 * Validate the interface mode, and advertising's autoneg bit, removing any 446 * media ethtool link modes that would not be supportable from the supported 447 * mask. Phylink will propagate the changes to the advertising mask. See the 448 * &struct phylink_mac_ops validate() method. 449 * 450 * Returns -EINVAL if the interface mode/autoneg mode is not supported. 451 * Returns non-zero positive if the link state can be supported. 452 */ 453 int pcs_validate(struct phylink_pcs *pcs, unsigned long *supported, 454 const struct phylink_link_state *state); 455 456 /** 457 * pcs_get_state() - Read the current inband link state from the hardware 458 * @pcs: a pointer to a &struct phylink_pcs. 459 * @state: a pointer to a &struct phylink_link_state. 460 * 461 * Read the current inband link state from the MAC PCS, reporting the 462 * current speed in @state->speed, duplex mode in @state->duplex, pause 463 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits, 464 * negotiation completion state in @state->an_complete, and link up state 465 * in @state->link. If possible, @state->lp_advertising should also be 466 * populated. 467 * 468 * When present, this overrides mac_pcs_get_state() in &struct 469 * phylink_mac_ops. 470 */ 471 void pcs_get_state(struct phylink_pcs *pcs, 472 struct phylink_link_state *state); 473 474 /** 475 * pcs_config() - Configure the PCS mode and advertisement 476 * @pcs: a pointer to a &struct phylink_pcs. 477 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND. 478 * @interface: interface mode to be used 479 * @advertising: adertisement ethtool link mode mask 480 * @permit_pause_to_mac: permit forwarding pause resolution to MAC 481 * 482 * Configure the PCS for the operating mode, the interface mode, and set 483 * the advertisement mask. @permit_pause_to_mac indicates whether the 484 * hardware may forward the pause mode resolution to the MAC. 485 * 486 * When operating in %MLO_AN_INBAND, inband should always be enabled, 487 * otherwise inband should be disabled. 488 * 489 * For SGMII, there is no advertisement from the MAC side, the PCS should 490 * be programmed to acknowledge the inband word from the PHY. 491 * 492 * For 1000BASE-X, the advertisement should be programmed into the PCS. 493 * 494 * For most 10GBASE-R, there is no advertisement. 495 */ 496 int pcs_config(struct phylink_pcs *pcs, unsigned int mode, 497 phy_interface_t interface, const unsigned long *advertising, 498 bool permit_pause_to_mac); 499 500 /** 501 * pcs_an_restart() - restart 802.3z BaseX autonegotiation 502 * @pcs: a pointer to a &struct phylink_pcs. 503 * 504 * When PCS ops are present, this overrides mac_an_restart() in &struct 505 * phylink_mac_ops. 506 */ 507 void pcs_an_restart(struct phylink_pcs *pcs); 508 509 /** 510 * pcs_link_up() - program the PCS for the resolved link configuration 511 * @pcs: a pointer to a &struct phylink_pcs. 512 * @mode: link autonegotiation mode 513 * @interface: link &typedef phy_interface_t mode 514 * @speed: link speed 515 * @duplex: link duplex 516 * 517 * This call will be made just before mac_link_up() to inform the PCS of 518 * the resolved link parameters. For example, a PCS operating in SGMII 519 * mode without in-band AN needs to be manually configured for the link 520 * and duplex setting. Otherwise, this should be a no-op. 521 */ 522 void pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, 523 phy_interface_t interface, int speed, int duplex); 524 #endif 525 526 void phylink_get_linkmodes(unsigned long *linkmodes, phy_interface_t interface, 527 unsigned long mac_capabilities); 528 void phylink_generic_validate(struct phylink_config *config, 529 unsigned long *supported, 530 struct phylink_link_state *state); 531 532 struct phylink *phylink_create(struct phylink_config *, struct fwnode_handle *, 533 phy_interface_t iface, 534 const struct phylink_mac_ops *mac_ops); 535 void phylink_destroy(struct phylink *); 536 537 int phylink_connect_phy(struct phylink *, struct phy_device *); 538 int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); 539 int phylink_fwnode_phy_connect(struct phylink *pl, 540 struct fwnode_handle *fwnode, 541 u32 flags); 542 void phylink_disconnect_phy(struct phylink *); 543 544 void phylink_mac_change(struct phylink *, bool up); 545 546 void phylink_start(struct phylink *); 547 void phylink_stop(struct phylink *); 548 549 void phylink_suspend(struct phylink *pl, bool mac_wol); 550 void phylink_resume(struct phylink *pl); 551 552 void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); 553 int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); 554 555 int phylink_ethtool_ksettings_get(struct phylink *, 556 struct ethtool_link_ksettings *); 557 int phylink_ethtool_ksettings_set(struct phylink *, 558 const struct ethtool_link_ksettings *); 559 int phylink_ethtool_nway_reset(struct phylink *); 560 void phylink_ethtool_get_pauseparam(struct phylink *, 561 struct ethtool_pauseparam *); 562 int phylink_ethtool_set_pauseparam(struct phylink *, 563 struct ethtool_pauseparam *); 564 int phylink_get_eee_err(struct phylink *); 565 int phylink_init_eee(struct phylink *, bool); 566 int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *); 567 int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *); 568 int phylink_mii_ioctl(struct phylink *, struct ifreq *, int); 569 int phylink_speed_down(struct phylink *pl, bool sync); 570 int phylink_speed_up(struct phylink *pl); 571 572 #define phylink_zero(bm) \ 573 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS) 574 #define __phylink_do_bit(op, bm, mode) \ 575 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm) 576 577 #define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode) 578 #define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode) 579 #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode) 580 581 void phylink_set_port_modes(unsigned long *bits); 582 void phylink_helper_basex_speed(struct phylink_link_state *state); 583 584 void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, 585 u16 bmsr, u16 lpa); 586 void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, 587 struct phylink_link_state *state); 588 int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface, 589 const unsigned long *advertising); 590 int phylink_mii_c22_pcs_config(struct mdio_device *pcs, unsigned int mode, 591 phy_interface_t interface, 592 const unsigned long *advertising); 593 void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs); 594 595 void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs, 596 struct phylink_link_state *state); 597 598 void phylink_decode_usxgmii_word(struct phylink_link_state *state, 599 uint16_t lpa); 600 #endif 601