1 #ifndef NETDEV_PCS_H 1 #ifndef NETDEV_PCS_H
2 #define NETDEV_PCS_H 2 #define NETDEV_PCS_H
3 3
4 #include <linux/phy.h> 4 #include <linux/phy.h>
5 #include <linux/spinlock.h> 5 #include <linux/spinlock.h>
6 #include <linux/workqueue.h> 6 #include <linux/workqueue.h>
7 7
8 struct device_node; 8 struct device_node;
9 struct ethtool_cmd; 9 struct ethtool_cmd;
10 struct fwnode_handle; 10 struct fwnode_handle;
11 struct net_device; 11 struct net_device;
12 struct phylink; 12 struct phylink;
13 13
14 enum { 14 enum {
15 MLO_PAUSE_NONE, 15 MLO_PAUSE_NONE,
16 MLO_PAUSE_RX = BIT(0), 16 MLO_PAUSE_RX = BIT(0),
17 MLO_PAUSE_TX = BIT(1), 17 MLO_PAUSE_TX = BIT(1),
18 MLO_PAUSE_TXRX_MASK = MLO_PAUSE_TX | M 18 MLO_PAUSE_TXRX_MASK = MLO_PAUSE_TX | MLO_PAUSE_RX,
19 MLO_PAUSE_AN = BIT(2), 19 MLO_PAUSE_AN = BIT(2),
20 20
21 MLO_AN_PHY = 0, /* Conventional PHY */ 21 MLO_AN_PHY = 0, /* Conventional PHY */
22 MLO_AN_FIXED, /* Fixed-link mode */ 22 MLO_AN_FIXED, /* Fixed-link mode */
23 MLO_AN_INBAND, /* In-band protocol */ 23 MLO_AN_INBAND, /* In-band protocol */
24 24
25 /* PCS "negotiation" mode. 25 /* PCS "negotiation" mode.
26 * PHYLINK_PCS_NEG_NONE - protocol ha 26 * PHYLINK_PCS_NEG_NONE - protocol has no inband capability
27 * PHYLINK_PCS_NEG_OUTBAND - some out 27 * PHYLINK_PCS_NEG_OUTBAND - some out of band or fixed link setting
28 * PHYLINK_PCS_NEG_INBAND_DISABLED - 28 * PHYLINK_PCS_NEG_INBAND_DISABLED - inband mode disabled, e.g.
29 * 29 * 1000base-X with autoneg off
30 * PHYLINK_PCS_NEG_INBAND_ENABLED - i 30 * PHYLINK_PCS_NEG_INBAND_ENABLED - inband mode enabled
31 * Additionally, this can be tested us 31 * Additionally, this can be tested using bitmasks:
32 * PHYLINK_PCS_NEG_INBAND - inband mo 32 * PHYLINK_PCS_NEG_INBAND - inband mode selected
33 * PHYLINK_PCS_NEG_ENABLED - negotiat 33 * PHYLINK_PCS_NEG_ENABLED - negotiation mode enabled
34 */ 34 */
35 PHYLINK_PCS_NEG_NONE = 0, 35 PHYLINK_PCS_NEG_NONE = 0,
36 PHYLINK_PCS_NEG_ENABLED = BIT(4), 36 PHYLINK_PCS_NEG_ENABLED = BIT(4),
37 PHYLINK_PCS_NEG_OUTBAND = BIT(5), 37 PHYLINK_PCS_NEG_OUTBAND = BIT(5),
38 PHYLINK_PCS_NEG_INBAND = BIT(6), 38 PHYLINK_PCS_NEG_INBAND = BIT(6),
39 PHYLINK_PCS_NEG_INBAND_DISABLED = PHYL 39 PHYLINK_PCS_NEG_INBAND_DISABLED = PHYLINK_PCS_NEG_INBAND,
40 PHYLINK_PCS_NEG_INBAND_ENABLED = PHYLI 40 PHYLINK_PCS_NEG_INBAND_ENABLED = PHYLINK_PCS_NEG_INBAND |
41 PHYLI 41 PHYLINK_PCS_NEG_ENABLED,
42 42
43 /* MAC_SYM_PAUSE and MAC_ASYM_PAUSE ar 43 /* MAC_SYM_PAUSE and MAC_ASYM_PAUSE are used when configuring our
44 * autonegotiation advertisement. They 44 * autonegotiation advertisement. They correspond to the PAUSE and
45 * ASM_DIR bits defined by 802.3, resp 45 * ASM_DIR bits defined by 802.3, respectively.
46 * 46 *
47 * The following table lists the value 47 * The following table lists the values of tx_pause and rx_pause which
48 * might be requested in mac_link_up. 48 * might be requested in mac_link_up. The exact values depend on either
49 * the results of autonegotation (if M 49 * the results of autonegotation (if MLO_PAUSE_AN is set) or user
50 * configuration (if MLO_PAUSE_AN is n 50 * configuration (if MLO_PAUSE_AN is not set).
51 * 51 *
52 * MAC_SYM_PAUSE MAC_ASYM_PAUSE MLO_PA 52 * MAC_SYM_PAUSE MAC_ASYM_PAUSE MLO_PAUSE_AN tx_pause/rx_pause
53 * ============= ============== ====== 53 * ============= ============== ============ ==================
54 * 0 0 54 * 0 0 0 0/0
55 * 0 0 55 * 0 0 1 0/0
56 * 0 1 56 * 0 1 0 0/0, 0/1, 1/0, 1/1
57 * 0 1 57 * 0 1 1 0/0, 1/0
58 * 1 0 58 * 1 0 0 0/0, 1/1
59 * 1 0 59 * 1 0 1 0/0, 1/1
60 * 1 1 60 * 1 1 0 0/0, 0/1, 1/0, 1/1
61 * 1 1 61 * 1 1 1 0/0, 0/1, 1/1
62 * 62 *
63 * If you set MAC_ASYM_PAUSE, the user 63 * If you set MAC_ASYM_PAUSE, the user may request any combination of
64 * tx_pause and rx_pause. You do not h 64 * tx_pause and rx_pause. You do not have to support these
65 * combinations. 65 * combinations.
66 * 66 *
67 * However, you should support combina 67 * However, you should support combinations of tx_pause and rx_pause
68 * which might be the result of autone 68 * which might be the result of autonegotation. For example, don't set
69 * MAC_SYM_PAUSE unless your device ca 69 * MAC_SYM_PAUSE unless your device can support tx_pause and rx_pause
70 * at the same time. 70 * at the same time.
71 */ 71 */
72 MAC_SYM_PAUSE = BIT(0), 72 MAC_SYM_PAUSE = BIT(0),
73 MAC_ASYM_PAUSE = BIT(1), 73 MAC_ASYM_PAUSE = BIT(1),
74 MAC_10HD = BIT(2), 74 MAC_10HD = BIT(2),
75 MAC_10FD = BIT(3), 75 MAC_10FD = BIT(3),
76 MAC_10 = MAC_10HD | MAC_10FD, 76 MAC_10 = MAC_10HD | MAC_10FD,
77 MAC_100HD = BIT(4), 77 MAC_100HD = BIT(4),
78 MAC_100FD = BIT(5), 78 MAC_100FD = BIT(5),
79 MAC_100 = MAC_100HD | MAC_100F 79 MAC_100 = MAC_100HD | MAC_100FD,
80 MAC_1000HD = BIT(6), 80 MAC_1000HD = BIT(6),
81 MAC_1000FD = BIT(7), 81 MAC_1000FD = BIT(7),
82 MAC_1000 = MAC_1000HD | MAC_100 82 MAC_1000 = MAC_1000HD | MAC_1000FD,
83 MAC_2500FD = BIT(8), 83 MAC_2500FD = BIT(8),
84 MAC_5000FD = BIT(9), 84 MAC_5000FD = BIT(9),
85 MAC_10000FD = BIT(10), 85 MAC_10000FD = BIT(10),
86 MAC_20000FD = BIT(11), 86 MAC_20000FD = BIT(11),
87 MAC_25000FD = BIT(12), 87 MAC_25000FD = BIT(12),
88 MAC_40000FD = BIT(13), 88 MAC_40000FD = BIT(13),
89 MAC_50000FD = BIT(14), 89 MAC_50000FD = BIT(14),
90 MAC_56000FD = BIT(15), 90 MAC_56000FD = BIT(15),
91 MAC_100000FD = BIT(16), 91 MAC_100000FD = BIT(16),
92 MAC_200000FD = BIT(17), 92 MAC_200000FD = BIT(17),
93 MAC_400000FD = BIT(18), 93 MAC_400000FD = BIT(18),
94 }; 94 };
95 95
96 static inline bool phylink_autoneg_inband(unsi 96 static inline bool phylink_autoneg_inband(unsigned int mode)
97 { 97 {
98 return mode == MLO_AN_INBAND; 98 return mode == MLO_AN_INBAND;
99 } 99 }
100 100
101 /** 101 /**
102 * struct phylink_link_state - link state stru 102 * struct phylink_link_state - link state structure
103 * @advertising: ethtool bitmask containing ad 103 * @advertising: ethtool bitmask containing advertised link modes
104 * @lp_advertising: ethtool bitmask containing 104 * @lp_advertising: ethtool bitmask containing link partner advertised link
105 * modes 105 * modes
106 * @interface: link &typedef phy_interface_t m 106 * @interface: link &typedef phy_interface_t mode
107 * @speed: link speed, one of the SPEED_* cons 107 * @speed: link speed, one of the SPEED_* constants.
108 * @duplex: link duplex mode, one of DUPLEX_* 108 * @duplex: link duplex mode, one of DUPLEX_* constants.
109 * @pause: link pause state, described by MLO_ 109 * @pause: link pause state, described by MLO_PAUSE_* constants.
110 * @rate_matching: rate matching being perform 110 * @rate_matching: rate matching being performed, one of the RATE_MATCH_*
111 * constants. If rate matching is taking pla 111 * constants. If rate matching is taking place, then the speed/duplex of
112 * the medium link mode (@speed and @duplex) 112 * the medium link mode (@speed and @duplex) and the speed/duplex of the phy
113 * interface mode (@interface) are different 113 * interface mode (@interface) are different.
114 * @link: true if the link is up. 114 * @link: true if the link is up.
115 * @an_complete: true if autonegotiation has c 115 * @an_complete: true if autonegotiation has completed.
116 */ 116 */
117 struct phylink_link_state { 117 struct phylink_link_state {
118 __ETHTOOL_DECLARE_LINK_MODE_MASK(adver 118 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
119 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_ad 119 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising);
120 phy_interface_t interface; 120 phy_interface_t interface;
121 int speed; 121 int speed;
122 int duplex; 122 int duplex;
123 int pause; 123 int pause;
124 int rate_matching; 124 int rate_matching;
125 unsigned int link:1; 125 unsigned int link:1;
126 unsigned int an_complete:1; 126 unsigned int an_complete:1;
127 }; 127 };
128 128
129 enum phylink_op_type { 129 enum phylink_op_type {
130 PHYLINK_NETDEV = 0, 130 PHYLINK_NETDEV = 0,
131 PHYLINK_DEV, 131 PHYLINK_DEV,
132 }; 132 };
133 133
134 /** 134 /**
135 * struct phylink_config - PHYLINK configurati 135 * struct phylink_config - PHYLINK configuration structure
136 * @dev: a pointer to a struct device associat 136 * @dev: a pointer to a struct device associated with the MAC
137 * @type: operation type of PHYLINK instance 137 * @type: operation type of PHYLINK instance
138 * @poll_fixed_state: if true, starts link_pol 138 * @poll_fixed_state: if true, starts link_poll,
139 * if MAC link is at %MLO_A 139 * if MAC link is at %MLO_AN_FIXED mode.
140 * @mac_managed_pm: if true, indicate the MAC 140 * @mac_managed_pm: if true, indicate the MAC driver is responsible for PHY PM.
141 * @mac_requires_rxc: if true, the MAC always 141 * @mac_requires_rxc: if true, the MAC always requires a receive clock from PHY.
142 * The PHY driver should st 142 * The PHY driver should start the clock signal as soon as
143 * possible and avoid stopp 143 * possible and avoid stopping it during suspend events.
144 * @default_an_inband: if true, defaults to ML 144 * @default_an_inband: if true, defaults to MLO_AN_INBAND rather than
145 * MLO_AN_PHY. A fixed-lin 145 * MLO_AN_PHY. A fixed-link specification will override.
146 * @get_fixed_state: callback to execute to de 146 * @get_fixed_state: callback to execute to determine the fixed link state,
147 * if MAC link is at %MLO_AN 147 * if MAC link is at %MLO_AN_FIXED mode.
148 * @supported_interfaces: bitmap describing wh 148 * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx
149 * are supported by the 149 * are supported by the MAC/PCS.
150 * @mac_capabilities: MAC pause/speed/duplex c 150 * @mac_capabilities: MAC pause/speed/duplex capabilities.
151 */ 151 */
152 struct phylink_config { 152 struct phylink_config {
153 struct device *dev; 153 struct device *dev;
154 enum phylink_op_type type; 154 enum phylink_op_type type;
155 bool poll_fixed_state; 155 bool poll_fixed_state;
156 bool mac_managed_pm; 156 bool mac_managed_pm;
157 bool mac_requires_rxc; 157 bool mac_requires_rxc;
158 bool default_an_inband; 158 bool default_an_inband;
159 void (*get_fixed_state)(struct phylink 159 void (*get_fixed_state)(struct phylink_config *config,
160 struct phylink 160 struct phylink_link_state *state);
161 DECLARE_PHY_INTERFACE_MASK(supported_i 161 DECLARE_PHY_INTERFACE_MASK(supported_interfaces);
162 unsigned long mac_capabilities; 162 unsigned long mac_capabilities;
163 }; 163 };
164 164
165 void phylink_limit_mac_speed(struct phylink_co 165 void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed);
166 166
167 /** 167 /**
168 * struct phylink_mac_ops - MAC operations str 168 * struct phylink_mac_ops - MAC operations structure.
169 * @mac_get_caps: Get MAC capabilities for int 169 * @mac_get_caps: Get MAC capabilities for interface mode.
170 * @mac_select_pcs: Select a PCS for the inter 170 * @mac_select_pcs: Select a PCS for the interface mode.
171 * @mac_prepare: prepare for a major reconfigu 171 * @mac_prepare: prepare for a major reconfiguration of the interface.
172 * @mac_config: configure the MAC for the sele 172 * @mac_config: configure the MAC for the selected mode and state.
173 * @mac_finish: finish a major reconfiguration 173 * @mac_finish: finish a major reconfiguration of the interface.
174 * @mac_link_down: take the link down. 174 * @mac_link_down: take the link down.
175 * @mac_link_up: allow the link to come up. 175 * @mac_link_up: allow the link to come up.
176 * 176 *
177 * The individual methods are described more f 177 * The individual methods are described more fully below.
178 */ 178 */
179 struct phylink_mac_ops { 179 struct phylink_mac_ops {
180 unsigned long (*mac_get_caps)(struct p 180 unsigned long (*mac_get_caps)(struct phylink_config *config,
181 phy_inte 181 phy_interface_t interface);
182 struct phylink_pcs *(*mac_select_pcs)( 182 struct phylink_pcs *(*mac_select_pcs)(struct phylink_config *config,
183 183 phy_interface_t interface);
184 int (*mac_prepare)(struct phylink_conf 184 int (*mac_prepare)(struct phylink_config *config, unsigned int mode,
185 phy_interface_t ifa 185 phy_interface_t iface);
186 void (*mac_config)(struct phylink_conf 186 void (*mac_config)(struct phylink_config *config, unsigned int mode,
187 const struct phylin 187 const struct phylink_link_state *state);
188 int (*mac_finish)(struct phylink_confi 188 int (*mac_finish)(struct phylink_config *config, unsigned int mode,
189 phy_interface_t ifac 189 phy_interface_t iface);
190 void (*mac_link_down)(struct phylink_c 190 void (*mac_link_down)(struct phylink_config *config, unsigned int mode,
191 phy_interface_t 191 phy_interface_t interface);
192 void (*mac_link_up)(struct phylink_con 192 void (*mac_link_up)(struct phylink_config *config,
193 struct phy_device 193 struct phy_device *phy, unsigned int mode,
194 phy_interface_t in 194 phy_interface_t interface, int speed, int duplex,
195 bool tx_pause, boo 195 bool tx_pause, bool rx_pause);
196 }; 196 };
197 197
198 #if 0 /* For kernel-doc purposes only. */ 198 #if 0 /* For kernel-doc purposes only. */
199 /** 199 /**
200 * mac_get_caps: Get MAC capabilities for inte 200 * mac_get_caps: Get MAC capabilities for interface mode.
201 * @config: a pointer to a &struct phylink_con 201 * @config: a pointer to a &struct phylink_config.
202 * @interface: PHY interface mode. 202 * @interface: PHY interface mode.
203 * 203 *
204 * Optional method. When not provided, config- 204 * Optional method. When not provided, config->mac_capabilities will be used.
205 * When implemented, this returns the MAC capa 205 * When implemented, this returns the MAC capabilities for the specified
206 * interface mode where there is some special 206 * interface mode where there is some special handling required by the MAC
207 * driver (e.g. not supporting half-duplex in 207 * driver (e.g. not supporting half-duplex in certain interface modes.)
208 */ 208 */
209 unsigned long mac_get_caps(struct phylink_conf 209 unsigned long mac_get_caps(struct phylink_config *config,
210 phy_interface_t int 210 phy_interface_t interface);
211 /** 211 /**
212 * mac_select_pcs: Select a PCS for the interf 212 * mac_select_pcs: Select a PCS for the interface mode.
213 * @config: a pointer to a &struct phylink_con 213 * @config: a pointer to a &struct phylink_config.
214 * @interface: PHY interface mode for PCS 214 * @interface: PHY interface mode for PCS
215 * 215 *
216 * Return the &struct phylink_pcs for the spec 216 * Return the &struct phylink_pcs for the specified interface mode, or
217 * NULL if none is required, or an error point 217 * NULL if none is required, or an error pointer on error.
218 * 218 *
219 * This must not modify any state. It is used 219 * This must not modify any state. It is used to query which PCS should
220 * be used. Phylink will use this during valid 220 * be used. Phylink will use this during validation to ensure that the
221 * configuration is valid, and when setting a 221 * configuration is valid, and when setting a configuration to internally
222 * set the PCS that will be used. 222 * set the PCS that will be used.
223 */ 223 */
224 struct phylink_pcs *mac_select_pcs(struct phyl 224 struct phylink_pcs *mac_select_pcs(struct phylink_config *config,
225 phy_interfa 225 phy_interface_t interface);
226 226
227 /** 227 /**
228 * mac_prepare() - prepare to change the PHY i 228 * mac_prepare() - prepare to change the PHY interface mode
229 * @config: a pointer to a &struct phylink_con 229 * @config: a pointer to a &struct phylink_config.
230 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, % 230 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
231 * @iface: interface mode to switch to 231 * @iface: interface mode to switch to
232 * 232 *
233 * phylink will call this method at the beginn 233 * phylink will call this method at the beginning of a full initialisation
234 * of the link, which includes changing the in 234 * of the link, which includes changing the interface mode or at initial
235 * startup time. It may be called for the curr 235 * startup time. It may be called for the current mode. The MAC driver
236 * should perform whatever actions are require 236 * should perform whatever actions are required, e.g. disabling the
237 * Serdes PHY. 237 * Serdes PHY.
238 * 238 *
239 * This will be the first call in the sequence 239 * This will be the first call in the sequence:
240 * - mac_prepare() 240 * - mac_prepare()
241 * - mac_config() 241 * - mac_config()
242 * - pcs_config() 242 * - pcs_config()
243 * - possible pcs_an_restart() 243 * - possible pcs_an_restart()
244 * - mac_finish() 244 * - mac_finish()
245 * 245 *
246 * Returns zero on success, or negative errno 246 * Returns zero on success, or negative errno on failure which will be
247 * reported to the kernel log. 247 * reported to the kernel log.
248 */ 248 */
249 int mac_prepare(struct phylink_config *config, 249 int mac_prepare(struct phylink_config *config, unsigned int mode,
250 phy_interface_t iface); 250 phy_interface_t iface);
251 251
252 /** 252 /**
253 * mac_config() - configure the MAC for the se 253 * mac_config() - configure the MAC for the selected mode and state
254 * @config: a pointer to a &struct phylink_con 254 * @config: a pointer to a &struct phylink_config.
255 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, % 255 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
256 * @state: a pointer to a &struct phylink_link 256 * @state: a pointer to a &struct phylink_link_state.
257 * 257 *
258 * Note - not all members of @state are valid. 258 * Note - not all members of @state are valid. In particular,
259 * @state->lp_advertising, @state->link, @stat 259 * @state->lp_advertising, @state->link, @state->an_complete are never
260 * guaranteed to be correct, and so any mac_co 260 * guaranteed to be correct, and so any mac_config() implementation must
261 * never reference these fields. 261 * never reference these fields.
262 * 262 *
263 * This will only be called to reconfigure the 263 * This will only be called to reconfigure the MAC for a "major" change in
264 * e.g. interface mode. It will not be called 264 * e.g. interface mode. It will not be called for changes in speed, duplex
265 * or pause modes or to change the in-band adv 265 * or pause modes or to change the in-band advertisement.
266 * 266 *
267 * In all negotiation modes, as defined by @mo 267 * In all negotiation modes, as defined by @mode, @state->pause indicates the
268 * pause settings which should be applied as f 268 * pause settings which should be applied as follows. If %MLO_PAUSE_AN is not
269 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indica 269 * set, %MLO_PAUSE_TX and %MLO_PAUSE_RX indicate whether the MAC should send
270 * pause frames and/or act on received pause f 270 * pause frames and/or act on received pause frames respectively. Otherwise,
271 * the results of in-band negotiation/status f 271 * the results of in-band negotiation/status from the MAC PCS should be used
272 * to control the MAC pause mode settings. 272 * to control the MAC pause mode settings.
273 * 273 *
274 * The action performed depends on the current 274 * The action performed depends on the currently selected mode:
275 * 275 *
276 * %MLO_AN_FIXED, %MLO_AN_PHY: 276 * %MLO_AN_FIXED, %MLO_AN_PHY:
277 * Configure for non-inband negotiation mode 277 * Configure for non-inband negotiation mode, where the link settings
278 * are completely communicated via mac_link_ 278 * are completely communicated via mac_link_up(). The physical link
279 * protocol from the MAC is specified by @st 279 * protocol from the MAC is specified by @state->interface.
280 * 280 *
281 * @state->advertising may be used, but is n 281 * @state->advertising may be used, but is not required.
282 * 282 *
283 * Older drivers (prior to the mac_link_up() 283 * Older drivers (prior to the mac_link_up() change) may use @state->speed,
284 * @state->duplex and @state->pause to confi 284 * @state->duplex and @state->pause to configure the MAC, but this is
285 * deprecated; such drivers should be conver 285 * deprecated; such drivers should be converted to use mac_link_up().
286 * 286 *
287 * Other members of @state must be ignored. 287 * Other members of @state must be ignored.
288 * 288 *
289 * Valid state members: interface, advertisi 289 * Valid state members: interface, advertising.
290 * Deprecated state members: speed, duplex, 290 * Deprecated state members: speed, duplex, pause.
291 * 291 *
292 * %MLO_AN_INBAND: 292 * %MLO_AN_INBAND:
293 * place the link in an inband negotiation m 293 * place the link in an inband negotiation mode (such as 802.3z
294 * 1000base-X or Cisco SGMII mode depending 294 * 1000base-X or Cisco SGMII mode depending on the @state->interface
295 * mode). In both cases, link state manageme 295 * mode). In both cases, link state management (whether the link
296 * is up or not) is performed by the MAC, an 296 * is up or not) is performed by the MAC, and reported via the
297 * pcs_get_state() callback. Changes in link 297 * pcs_get_state() callback. Changes in link state must be made
298 * by calling phylink_mac_change(). 298 * by calling phylink_mac_change().
299 * 299 *
300 * Interface mode specific details are menti 300 * Interface mode specific details are mentioned below.
301 * 301 *
302 * If in 802.3z mode, the link speed is fixe 302 * If in 802.3z mode, the link speed is fixed, dependent on the
303 * @state->interface. Duplex and pause modes 303 * @state->interface. Duplex and pause modes are negotiated via
304 * the in-band configuration word. Advertise 304 * the in-band configuration word. Advertised pause modes are set
305 * according to the @state->an_enabled and @ 305 * according to the @state->an_enabled and @state->advertising
306 * flags. Beware of MACs which only support 306 * flags. Beware of MACs which only support full duplex at gigabit
307 * and higher speeds. 307 * and higher speeds.
308 * 308 *
309 * If in Cisco SGMII mode, the link speed an 309 * If in Cisco SGMII mode, the link speed and duplex mode are passed
310 * in the serial bitstream 16-bit configurat 310 * in the serial bitstream 16-bit configuration word, and the MAC
311 * should be configured to read these bits a 311 * should be configured to read these bits and acknowledge the
312 * configuration word. Nothing is advertised 312 * configuration word. Nothing is advertised by the MAC. The MAC is
313 * responsible for reading the configuration 313 * responsible for reading the configuration word and configuring
314 * itself accordingly. 314 * itself accordingly.
315 * 315 *
316 * Valid state members: interface, an_enable 316 * Valid state members: interface, an_enabled, pause, advertising.
317 * 317 *
318 * Implementations are expected to update the 318 * Implementations are expected to update the MAC to reflect the
319 * requested settings - i.o.w., if nothing has 319 * requested settings - i.o.w., if nothing has changed between two
320 * calls, no action is expected. If only flow 320 * calls, no action is expected. If only flow control settings have
321 * changed, flow control should be updated *wi 321 * changed, flow control should be updated *without* taking the link
322 * down. This "update" behaviour is critical 322 * down. This "update" behaviour is critical to avoid bouncing the
323 * link up status. 323 * link up status.
324 */ 324 */
325 void mac_config(struct phylink_config *config, 325 void mac_config(struct phylink_config *config, unsigned int mode,
326 const struct phylink_link_stat 326 const struct phylink_link_state *state);
327 327
328 /** 328 /**
329 * mac_finish() - finish a to change the PHY i 329 * mac_finish() - finish a to change the PHY interface mode
330 * @config: a pointer to a &struct phylink_con 330 * @config: a pointer to a &struct phylink_config.
331 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, % 331 * @mode: one of %MLO_AN_FIXED, %MLO_AN_PHY, %MLO_AN_INBAND.
332 * @iface: interface mode to switch to 332 * @iface: interface mode to switch to
333 * 333 *
334 * phylink will call this if it called mac_pre 334 * phylink will call this if it called mac_prepare() to allow the MAC to
335 * complete any necessary steps after the MAC 335 * complete any necessary steps after the MAC and PCS have been configured
336 * for the @mode and @iface. E.g. a MAC driver 336 * for the @mode and @iface. E.g. a MAC driver may wish to re-enable the
337 * Serdes PHY here if it was previously disabl 337 * Serdes PHY here if it was previously disabled by mac_prepare().
338 * 338 *
339 * Returns zero on success, or negative errno 339 * Returns zero on success, or negative errno on failure which will be
340 * reported to the kernel log. 340 * reported to the kernel log.
341 */ 341 */
342 int mac_finish(struct phylink_config *config, 342 int mac_finish(struct phylink_config *config, unsigned int mode,
343 phy_interface_t iface); 343 phy_interface_t iface);
344 344
345 /** 345 /**
346 * mac_link_down() - take the link down 346 * mac_link_down() - take the link down
347 * @config: a pointer to a &struct phylink_con 347 * @config: a pointer to a &struct phylink_config.
348 * @mode: link autonegotiation mode 348 * @mode: link autonegotiation mode
349 * @interface: link &typedef phy_interface_t m 349 * @interface: link &typedef phy_interface_t mode
350 * 350 *
351 * If @mode is not an in-band negotiation mode 351 * If @mode is not an in-band negotiation mode (as defined by
352 * phylink_autoneg_inband()), force the link d 352 * phylink_autoneg_inband()), force the link down and disable any
353 * Energy Efficient Ethernet MAC configuration 353 * Energy Efficient Ethernet MAC configuration. Interface type
354 * selection must be done in mac_config(). 354 * selection must be done in mac_config().
355 */ 355 */
356 void mac_link_down(struct phylink_config *conf 356 void mac_link_down(struct phylink_config *config, unsigned int mode,
357 phy_interface_t interface); 357 phy_interface_t interface);
358 358
359 /** 359 /**
360 * mac_link_up() - allow the link to come up 360 * mac_link_up() - allow the link to come up
361 * @config: a pointer to a &struct phylink_con 361 * @config: a pointer to a &struct phylink_config.
362 * @phy: any attached phy 362 * @phy: any attached phy
363 * @mode: link autonegotiation mode 363 * @mode: link autonegotiation mode
364 * @interface: link &typedef phy_interface_t m 364 * @interface: link &typedef phy_interface_t mode
365 * @speed: link speed 365 * @speed: link speed
366 * @duplex: link duplex 366 * @duplex: link duplex
367 * @tx_pause: link transmit pause enablement s 367 * @tx_pause: link transmit pause enablement status
368 * @rx_pause: link receive pause enablement st 368 * @rx_pause: link receive pause enablement status
369 * 369 *
370 * Configure the MAC for an established link. 370 * Configure the MAC for an established link.
371 * 371 *
372 * @speed, @duplex, @tx_pause and @rx_pause in 372 * @speed, @duplex, @tx_pause and @rx_pause indicate the finalised link
373 * settings, and should be used to configure t 373 * settings, and should be used to configure the MAC block appropriately
374 * where these settings are not automatically 374 * where these settings are not automatically conveyed from the PCS block,
375 * or if in-band negotiation (as defined by ph 375 * or if in-band negotiation (as defined by phylink_autoneg_inband(@mode))
376 * is disabled. 376 * is disabled.
377 * 377 *
378 * Note that when 802.3z in-band negotiation i 378 * Note that when 802.3z in-band negotiation is in use, it is possible
379 * that the user wishes to override the pause 379 * that the user wishes to override the pause settings, and this should
380 * be allowed when considering the implementat 380 * be allowed when considering the implementation of this method.
381 * 381 *
382 * If in-band negotiation mode is disabled, al 382 * If in-band negotiation mode is disabled, allow the link to come up. If
383 * @phy is non-%NULL, configure Energy Efficie 383 * @phy is non-%NULL, configure Energy Efficient Ethernet by calling
384 * phy_init_eee() and perform appropriate MAC 384 * phy_init_eee() and perform appropriate MAC configuration for EEE.
385 * Interface type selection must be done in ma 385 * Interface type selection must be done in mac_config().
386 */ 386 */
387 void mac_link_up(struct phylink_config *config 387 void mac_link_up(struct phylink_config *config, struct phy_device *phy,
388 unsigned int mode, phy_interf 388 unsigned int mode, phy_interface_t interface,
389 int speed, int duplex, bool t 389 int speed, int duplex, bool tx_pause, bool rx_pause);
390 #endif 390 #endif
391 391
392 struct phylink_pcs_ops; 392 struct phylink_pcs_ops;
393 393
394 /** 394 /**
395 * struct phylink_pcs - PHYLINK PCS instance 395 * struct phylink_pcs - PHYLINK PCS instance
396 * @ops: a pointer to the &struct phylink_pcs_ 396 * @ops: a pointer to the &struct phylink_pcs_ops structure
397 * @phylink: pointer to &struct phylink_config 397 * @phylink: pointer to &struct phylink_config
398 * @neg_mode: provide PCS neg mode via "mode" 398 * @neg_mode: provide PCS neg mode via "mode" argument
399 * @poll: poll the PCS for link changes 399 * @poll: poll the PCS for link changes
400 * @rxc_always_on: The MAC driver requires the 400 * @rxc_always_on: The MAC driver requires the reference clock
401 * to always be on. Standalone 401 * to always be on. Standalone PCS drivers which
402 * do not have access to a PHY 402 * do not have access to a PHY device can check
403 * this instead of PHY_F_RXC_A 403 * this instead of PHY_F_RXC_ALWAYS_ON.
404 * 404 *
405 * This structure is designed to be embedded w 405 * This structure is designed to be embedded within the PCS private data,
406 * and will be passed between phylink and the 406 * and will be passed between phylink and the PCS.
407 * 407 *
408 * The @phylink member is private to phylink a 408 * The @phylink member is private to phylink and must not be touched by
409 * the PCS driver. 409 * the PCS driver.
410 */ 410 */
411 struct phylink_pcs { 411 struct phylink_pcs {
412 const struct phylink_pcs_ops *ops; 412 const struct phylink_pcs_ops *ops;
413 struct phylink *phylink; 413 struct phylink *phylink;
414 bool neg_mode; 414 bool neg_mode;
415 bool poll; 415 bool poll;
416 bool rxc_always_on; 416 bool rxc_always_on;
417 }; 417 };
418 418
419 /** 419 /**
420 * struct phylink_pcs_ops - MAC PCS operations 420 * struct phylink_pcs_ops - MAC PCS operations structure.
421 * @pcs_validate: validate the link configurat 421 * @pcs_validate: validate the link configuration.
422 * @pcs_enable: enable the PCS. 422 * @pcs_enable: enable the PCS.
423 * @pcs_disable: disable the PCS. 423 * @pcs_disable: disable the PCS.
424 * @pcs_pre_config: pre-mac_config method (for 424 * @pcs_pre_config: pre-mac_config method (for errata)
425 * @pcs_post_config: post-mac_config method (f 425 * @pcs_post_config: post-mac_config method (for arrata)
426 * @pcs_get_state: read the current MAC PCS li 426 * @pcs_get_state: read the current MAC PCS link state from the hardware.
427 * @pcs_config: configure the MAC PCS for the 427 * @pcs_config: configure the MAC PCS for the selected mode and state.
428 * @pcs_an_restart: restart 802.3z BaseX auton 428 * @pcs_an_restart: restart 802.3z BaseX autonegotiation.
429 * @pcs_link_up: program the PCS for the resol 429 * @pcs_link_up: program the PCS for the resolved link configuration
430 * (where necessary). 430 * (where necessary).
431 * @pcs_pre_init: configure PCS components nec 431 * @pcs_pre_init: configure PCS components necessary for MAC hardware
432 * initialization e.g. RX clock 432 * initialization e.g. RX clock for stmmac.
433 */ 433 */
434 struct phylink_pcs_ops { 434 struct phylink_pcs_ops {
435 int (*pcs_validate)(struct phylink_pcs 435 int (*pcs_validate)(struct phylink_pcs *pcs, unsigned long *supported,
436 const struct phyli 436 const struct phylink_link_state *state);
437 int (*pcs_enable)(struct phylink_pcs * 437 int (*pcs_enable)(struct phylink_pcs *pcs);
438 void (*pcs_disable)(struct phylink_pcs 438 void (*pcs_disable)(struct phylink_pcs *pcs);
439 void (*pcs_pre_config)(struct phylink_ 439 void (*pcs_pre_config)(struct phylink_pcs *pcs,
440 phy_interface_t 440 phy_interface_t interface);
441 int (*pcs_post_config)(struct phylink_ 441 int (*pcs_post_config)(struct phylink_pcs *pcs,
442 phy_interface_t 442 phy_interface_t interface);
443 void (*pcs_get_state)(struct phylink_p 443 void (*pcs_get_state)(struct phylink_pcs *pcs,
444 struct phylink_l 444 struct phylink_link_state *state);
445 int (*pcs_config)(struct phylink_pcs * 445 int (*pcs_config)(struct phylink_pcs *pcs, unsigned int neg_mode,
446 phy_interface_t inte 446 phy_interface_t interface,
447 const unsigned long 447 const unsigned long *advertising,
448 bool permit_pause_to 448 bool permit_pause_to_mac);
449 void (*pcs_an_restart)(struct phylink_ 449 void (*pcs_an_restart)(struct phylink_pcs *pcs);
450 void (*pcs_link_up)(struct phylink_pcs 450 void (*pcs_link_up)(struct phylink_pcs *pcs, unsigned int neg_mode,
451 phy_interface_t in 451 phy_interface_t interface, int speed, int duplex);
452 int (*pcs_pre_init)(struct phylink_pcs 452 int (*pcs_pre_init)(struct phylink_pcs *pcs);
453 }; 453 };
454 454
455 #if 0 /* For kernel-doc purposes only. */ 455 #if 0 /* For kernel-doc purposes only. */
456 /** 456 /**
457 * pcs_validate() - validate the link configur 457 * pcs_validate() - validate the link configuration.
458 * @pcs: a pointer to a &struct phylink_pcs. 458 * @pcs: a pointer to a &struct phylink_pcs.
459 * @supported: ethtool bitmask for supported l 459 * @supported: ethtool bitmask for supported link modes.
460 * @state: a const pointer to a &struct phylin 460 * @state: a const pointer to a &struct phylink_link_state.
461 * 461 *
462 * Validate the interface mode, and advertisin 462 * Validate the interface mode, and advertising's autoneg bit, removing any
463 * media ethtool link modes that would not be 463 * media ethtool link modes that would not be supportable from the supported
464 * mask. Phylink will propagate the changes to 464 * mask. Phylink will propagate the changes to the advertising mask. See the
465 * &struct phylink_mac_ops validate() method. 465 * &struct phylink_mac_ops validate() method.
466 * 466 *
467 * Returns -EINVAL if the interface mode/auton 467 * Returns -EINVAL if the interface mode/autoneg mode is not supported.
468 * Returns non-zero positive if the link state 468 * Returns non-zero positive if the link state can be supported.
469 */ 469 */
470 int pcs_validate(struct phylink_pcs *pcs, unsi 470 int pcs_validate(struct phylink_pcs *pcs, unsigned long *supported,
471 const struct phylink_link_sta 471 const struct phylink_link_state *state);
472 472
473 /** 473 /**
474 * pcs_enable() - enable the PCS. 474 * pcs_enable() - enable the PCS.
475 * @pcs: a pointer to a &struct phylink_pcs. 475 * @pcs: a pointer to a &struct phylink_pcs.
476 */ 476 */
477 int pcs_enable(struct phylink_pcs *pcs); 477 int pcs_enable(struct phylink_pcs *pcs);
478 478
479 /** 479 /**
480 * pcs_disable() - disable the PCS. 480 * pcs_disable() - disable the PCS.
481 * @pcs: a pointer to a &struct phylink_pcs. 481 * @pcs: a pointer to a &struct phylink_pcs.
482 */ 482 */
483 void pcs_disable(struct phylink_pcs *pcs); 483 void pcs_disable(struct phylink_pcs *pcs);
484 484
485 /** 485 /**
486 * pcs_get_state() - Read the current inband l 486 * pcs_get_state() - Read the current inband link state from the hardware
487 * @pcs: a pointer to a &struct phylink_pcs. 487 * @pcs: a pointer to a &struct phylink_pcs.
488 * @state: a pointer to a &struct phylink_link 488 * @state: a pointer to a &struct phylink_link_state.
489 * 489 *
490 * Read the current inband link state from the 490 * Read the current inband link state from the MAC PCS, reporting the
491 * current speed in @state->speed, duplex mode 491 * current speed in @state->speed, duplex mode in @state->duplex, pause
492 * mode in @state->pause using the %MLO_PAUSE_ 492 * mode in @state->pause using the %MLO_PAUSE_RX and %MLO_PAUSE_TX bits,
493 * negotiation completion state in @state->an_ 493 * negotiation completion state in @state->an_complete, and link up state
494 * in @state->link. If possible, @state->lp_ad 494 * in @state->link. If possible, @state->lp_advertising should also be
495 * populated. 495 * populated.
496 */ 496 */
497 void pcs_get_state(struct phylink_pcs *pcs, 497 void pcs_get_state(struct phylink_pcs *pcs,
498 struct phylink_link_state * 498 struct phylink_link_state *state);
499 499
500 /** 500 /**
501 * pcs_config() - Configure the PCS mode and a 501 * pcs_config() - Configure the PCS mode and advertisement
502 * @pcs: a pointer to a &struct phylink_pcs. 502 * @pcs: a pointer to a &struct phylink_pcs.
503 * @neg_mode: link negotiation mode (see below 503 * @neg_mode: link negotiation mode (see below)
504 * @interface: interface mode to be used 504 * @interface: interface mode to be used
505 * @advertising: adertisement ethtool link mod 505 * @advertising: adertisement ethtool link mode mask
506 * @permit_pause_to_mac: permit forwarding pau 506 * @permit_pause_to_mac: permit forwarding pause resolution to MAC
507 * 507 *
508 * Configure the PCS for the operating mode, t 508 * Configure the PCS for the operating mode, the interface mode, and set
509 * the advertisement mask. @permit_pause_to_ma 509 * the advertisement mask. @permit_pause_to_mac indicates whether the
510 * hardware may forward the pause mode resolut 510 * hardware may forward the pause mode resolution to the MAC.
511 * 511 *
512 * When operating in %MLO_AN_INBAND, inband sh 512 * When operating in %MLO_AN_INBAND, inband should always be enabled,
513 * otherwise inband should be disabled. 513 * otherwise inband should be disabled.
514 * 514 *
515 * For SGMII, there is no advertisement from t 515 * For SGMII, there is no advertisement from the MAC side, the PCS should
516 * be programmed to acknowledge the inband wor 516 * be programmed to acknowledge the inband word from the PHY.
517 * 517 *
518 * For 1000BASE-X, the advertisement should be 518 * For 1000BASE-X, the advertisement should be programmed into the PCS.
519 * 519 *
520 * For most 10GBASE-R, there is no advertiseme 520 * For most 10GBASE-R, there is no advertisement.
521 * 521 *
522 * The %neg_mode argument should be tested via 522 * The %neg_mode argument should be tested via the phylink_mode_*() family of
523 * functions, or for PCS that set pcs->neg_mod 523 * functions, or for PCS that set pcs->neg_mode true, should be tested
524 * against the PHYLINK_PCS_NEG_* definitions. 524 * against the PHYLINK_PCS_NEG_* definitions.
525 */ 525 */
526 int pcs_config(struct phylink_pcs *pcs, unsign 526 int pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
527 phy_interface_t interface, cons 527 phy_interface_t interface, const unsigned long *advertising,
528 bool permit_pause_to_mac); 528 bool permit_pause_to_mac);
529 529
530 /** 530 /**
531 * pcs_an_restart() - restart 802.3z BaseX aut 531 * pcs_an_restart() - restart 802.3z BaseX autonegotiation
532 * @pcs: a pointer to a &struct phylink_pcs. 532 * @pcs: a pointer to a &struct phylink_pcs.
533 * 533 *
534 * When PCS ops are present, this overrides ma 534 * When PCS ops are present, this overrides mac_an_restart() in &struct
535 * phylink_mac_ops. 535 * phylink_mac_ops.
536 */ 536 */
537 void pcs_an_restart(struct phylink_pcs *pcs); 537 void pcs_an_restart(struct phylink_pcs *pcs);
538 538
539 /** 539 /**
540 * pcs_link_up() - program the PCS for the res 540 * pcs_link_up() - program the PCS for the resolved link configuration
541 * @pcs: a pointer to a &struct phylink_pcs. 541 * @pcs: a pointer to a &struct phylink_pcs.
542 * @neg_mode: link negotiation mode (see below 542 * @neg_mode: link negotiation mode (see below)
543 * @interface: link &typedef phy_interface_t m 543 * @interface: link &typedef phy_interface_t mode
544 * @speed: link speed 544 * @speed: link speed
545 * @duplex: link duplex 545 * @duplex: link duplex
546 * 546 *
547 * This call will be made just before mac_link 547 * This call will be made just before mac_link_up() to inform the PCS of
548 * the resolved link parameters. For example, 548 * the resolved link parameters. For example, a PCS operating in SGMII
549 * mode without in-band AN needs to be manuall 549 * mode without in-band AN needs to be manually configured for the link
550 * and duplex setting. Otherwise, this should 550 * and duplex setting. Otherwise, this should be a no-op.
551 * 551 *
552 * The %mode argument should be tested via the 552 * The %mode argument should be tested via the phylink_mode_*() family of
553 * functions, or for PCS that set pcs->neg_mod 553 * functions, or for PCS that set pcs->neg_mode true, should be tested
554 * against the PHYLINK_PCS_NEG_* definitions. 554 * against the PHYLINK_PCS_NEG_* definitions.
555 */ 555 */
556 void pcs_link_up(struct phylink_pcs *pcs, unsi 556 void pcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode,
557 phy_interface_t interface, in 557 phy_interface_t interface, int speed, int duplex);
558 558
559 /** 559 /**
560 * pcs_pre_init() - Configure PCS components n 560 * pcs_pre_init() - Configure PCS components necessary for MAC initialization
561 * @pcs: a pointer to a &struct phylink_pcs. 561 * @pcs: a pointer to a &struct phylink_pcs.
562 * 562 *
563 * This function can be called by MAC drivers 563 * This function can be called by MAC drivers through the
564 * phylink_pcs_pre_init() wrapper, before thei 564 * phylink_pcs_pre_init() wrapper, before their hardware is initialized. It
565 * should not be called after the link is brou 565 * should not be called after the link is brought up, as reconfiguring the PCS
566 * at this point could break the link. 566 * at this point could break the link.
567 * 567 *
568 * Some MAC devices require specific hardware 568 * Some MAC devices require specific hardware initialization to be performed by
569 * their associated PCS device before they can 569 * their associated PCS device before they can properly initialize their own
570 * hardware. An example of this is the initial 570 * hardware. An example of this is the initialization of stmmac controllers,
571 * which requires an active REF_CLK signal to 571 * which requires an active REF_CLK signal to be provided by the PHY/PCS.
572 * 572 *
573 * By calling phylink_pcs_pre_init(), MAC driv 573 * By calling phylink_pcs_pre_init(), MAC drivers can ensure that the PCS is
574 * setup in a way that allows for successful h 574 * setup in a way that allows for successful hardware initialization.
575 * 575 *
576 * The specific configuration performed by pcs 576 * The specific configuration performed by pcs_pre_init() is dependent on the
577 * model of PCS and the requirements of the MA 577 * model of PCS and the requirements of the MAC device attached to it. PCS
578 * driver authors should consider whether thei 578 * driver authors should consider whether their target device is to be used in
579 * conjunction with a MAC device whose driver 579 * conjunction with a MAC device whose driver calls phylink_pcs_pre_init(). MAC
580 * driver authors should document their requir 580 * driver authors should document their requirements for the PCS
581 * pre-initialization. 581 * pre-initialization.
582 * 582 *
583 */ 583 */
584 int pcs_pre_init(struct phylink_pcs *pcs); 584 int pcs_pre_init(struct phylink_pcs *pcs);
585 585
586 #endif 586 #endif
587 587
588 struct phylink *phylink_create(struct phylink_ 588 struct phylink *phylink_create(struct phylink_config *,
589 const struct fw 589 const struct fwnode_handle *,
590 phy_interface_t 590 phy_interface_t,
591 const struct ph 591 const struct phylink_mac_ops *);
592 void phylink_destroy(struct phylink *); 592 void phylink_destroy(struct phylink *);
593 bool phylink_expects_phy(struct phylink *pl); 593 bool phylink_expects_phy(struct phylink *pl);
594 594
595 int phylink_connect_phy(struct phylink *, stru 595 int phylink_connect_phy(struct phylink *, struct phy_device *);
596 int phylink_of_phy_connect(struct phylink *, s 596 int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags);
597 int phylink_fwnode_phy_connect(struct phylink 597 int phylink_fwnode_phy_connect(struct phylink *pl,
598 const struct fw 598 const struct fwnode_handle *fwnode,
599 u32 flags); 599 u32 flags);
600 void phylink_disconnect_phy(struct phylink *); 600 void phylink_disconnect_phy(struct phylink *);
601 int phylink_set_fixed_link(struct phylink *, <<
602 const struct phylin <<
603 601
604 void phylink_mac_change(struct phylink *, bool 602 void phylink_mac_change(struct phylink *, bool up);
605 void phylink_pcs_change(struct phylink_pcs *, 603 void phylink_pcs_change(struct phylink_pcs *, bool up);
606 604
607 int phylink_pcs_pre_init(struct phylink *pl, s 605 int phylink_pcs_pre_init(struct phylink *pl, struct phylink_pcs *pcs);
608 606
609 void phylink_start(struct phylink *); 607 void phylink_start(struct phylink *);
610 void phylink_stop(struct phylink *); 608 void phylink_stop(struct phylink *);
611 609
612 void phylink_suspend(struct phylink *pl, bool 610 void phylink_suspend(struct phylink *pl, bool mac_wol);
613 void phylink_resume(struct phylink *pl); 611 void phylink_resume(struct phylink *pl);
614 612
615 void phylink_ethtool_get_wol(struct phylink *, 613 void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *);
616 int phylink_ethtool_set_wol(struct phylink *, 614 int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *);
617 615
618 int phylink_ethtool_ksettings_get(struct phyli 616 int phylink_ethtool_ksettings_get(struct phylink *,
619 struct ethto 617 struct ethtool_link_ksettings *);
620 int phylink_ethtool_ksettings_set(struct phyli 618 int phylink_ethtool_ksettings_set(struct phylink *,
621 const struct 619 const struct ethtool_link_ksettings *);
622 int phylink_ethtool_nway_reset(struct phylink 620 int phylink_ethtool_nway_reset(struct phylink *);
623 void phylink_ethtool_get_pauseparam(struct phy 621 void phylink_ethtool_get_pauseparam(struct phylink *,
624 struct eth 622 struct ethtool_pauseparam *);
625 int phylink_ethtool_set_pauseparam(struct phyl 623 int phylink_ethtool_set_pauseparam(struct phylink *,
626 struct etht 624 struct ethtool_pauseparam *);
627 int phylink_get_eee_err(struct phylink *); 625 int phylink_get_eee_err(struct phylink *);
628 int phylink_init_eee(struct phylink *, bool); 626 int phylink_init_eee(struct phylink *, bool);
629 int phylink_ethtool_get_eee(struct phylink *li 627 int phylink_ethtool_get_eee(struct phylink *link, struct ethtool_keee *eee);
630 int phylink_ethtool_set_eee(struct phylink *li 628 int phylink_ethtool_set_eee(struct phylink *link, struct ethtool_keee *eee);
631 int phylink_mii_ioctl(struct phylink *, struct 629 int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
632 int phylink_speed_down(struct phylink *pl, boo 630 int phylink_speed_down(struct phylink *pl, bool sync);
633 int phylink_speed_up(struct phylink *pl); 631 int phylink_speed_up(struct phylink *pl);
634 632
635 #define phylink_zero(bm) \ 633 #define phylink_zero(bm) \
636 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MA 634 bitmap_zero(bm, __ETHTOOL_LINK_MODE_MASK_NBITS)
637 #define __phylink_do_bit(op, bm, mode) \ 635 #define __phylink_do_bit(op, bm, mode) \
638 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, 636 op(ETHTOOL_LINK_MODE_ ## mode ## _BIT, bm)
639 637
640 #define phylink_set(bm, mode) __phylink_do_b 638 #define phylink_set(bm, mode) __phylink_do_bit(__set_bit, bm, mode)
641 #define phylink_clear(bm, mode) __phylink_do_b 639 #define phylink_clear(bm, mode) __phylink_do_bit(__clear_bit, bm, mode)
642 #define phylink_test(bm, mode) __phylink_do_b 640 #define phylink_test(bm, mode) __phylink_do_bit(test_bit, bm, mode)
643 641
644 void phylink_set_port_modes(unsigned long *bit 642 void phylink_set_port_modes(unsigned long *bits);
645 643
646 /** 644 /**
647 * phylink_get_link_timer_ns - return the PCS 645 * phylink_get_link_timer_ns - return the PCS link timer value
648 * @interface: link &typedef phy_interface_t m 646 * @interface: link &typedef phy_interface_t mode
649 * 647 *
650 * Return the PCS link timer setting in nanose 648 * Return the PCS link timer setting in nanoseconds for the PHY @interface
651 * mode, or -EINVAL if not appropriate. 649 * mode, or -EINVAL if not appropriate.
652 */ 650 */
653 static inline int phylink_get_link_timer_ns(ph 651 static inline int phylink_get_link_timer_ns(phy_interface_t interface)
654 { 652 {
655 switch (interface) { 653 switch (interface) {
656 case PHY_INTERFACE_MODE_SGMII: 654 case PHY_INTERFACE_MODE_SGMII:
657 case PHY_INTERFACE_MODE_QSGMII: 655 case PHY_INTERFACE_MODE_QSGMII:
658 case PHY_INTERFACE_MODE_USXGMII: 656 case PHY_INTERFACE_MODE_USXGMII:
659 case PHY_INTERFACE_MODE_10G_QXGMII: 657 case PHY_INTERFACE_MODE_10G_QXGMII:
660 return 1600000; 658 return 1600000;
661 659
662 case PHY_INTERFACE_MODE_1000BASEX: 660 case PHY_INTERFACE_MODE_1000BASEX:
663 case PHY_INTERFACE_MODE_2500BASEX: 661 case PHY_INTERFACE_MODE_2500BASEX:
664 return 10000000; 662 return 10000000;
665 663
666 default: 664 default:
667 return -EINVAL; 665 return -EINVAL;
668 } 666 }
669 } 667 }
670 668
671 void phylink_mii_c22_pcs_decode_state(struct p 669 void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,
672 u16 bmsr 670 u16 bmsr, u16 lpa);
673 void phylink_mii_c22_pcs_get_state(struct mdio 671 void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,
674 struct phyl 672 struct phylink_link_state *state);
675 int phylink_mii_c22_pcs_encode_advertisement(p 673 int phylink_mii_c22_pcs_encode_advertisement(phy_interface_t interface,
676 c 674 const unsigned long *advertising);
677 int phylink_mii_c22_pcs_config(struct mdio_dev 675 int phylink_mii_c22_pcs_config(struct mdio_device *pcs,
678 phy_interface_t 676 phy_interface_t interface,
679 const unsigned 677 const unsigned long *advertising,
680 unsigned int ne 678 unsigned int neg_mode);
681 void phylink_mii_c22_pcs_an_restart(struct mdi 679 void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs);
682 680
683 void phylink_resolve_c73(struct phylink_link_s 681 void phylink_resolve_c73(struct phylink_link_state *state);
684 682
685 void phylink_mii_c45_pcs_get_state(struct mdio 683 void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
686 struct phyl 684 struct phylink_link_state *state);
687 685
688 void phylink_decode_usxgmii_word(struct phylin 686 void phylink_decode_usxgmii_word(struct phylink_link_state *state,
689 uint16_t lpa) 687 uint16_t lpa);
690 #endif 688 #endif
691 689
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