1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* 2 /*
3 * linux/mii.h: definitions for MII-compatible 3 * linux/mii.h: definitions for MII-compatible transceivers
4 * Originally drivers/net/sunhme.h. 4 * Originally drivers/net/sunhme.h.
5 * 5 *
6 * Copyright (C) 1996, 1999, 2001 David S. Mil 6 * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com)
7 */ 7 */
8 #ifndef __LINUX_MII_H__ 8 #ifndef __LINUX_MII_H__
9 #define __LINUX_MII_H__ 9 #define __LINUX_MII_H__
10 10
11 11
12 #include <linux/if.h> 12 #include <linux/if.h>
13 #include <linux/linkmode.h> <<
14 #include <uapi/linux/mii.h> 13 #include <uapi/linux/mii.h>
15 14
16 struct ethtool_cmd; 15 struct ethtool_cmd;
17 16
18 struct mii_if_info { 17 struct mii_if_info {
19 int phy_id; 18 int phy_id;
20 int advertising; 19 int advertising;
21 int phy_id_mask; 20 int phy_id_mask;
22 int reg_num_mask; 21 int reg_num_mask;
23 22
24 unsigned int full_duplex : 1; /* is 23 unsigned int full_duplex : 1; /* is full duplex? */
25 unsigned int force_media : 1; /* is 24 unsigned int force_media : 1; /* is autoneg. disabled? */
26 unsigned int supports_gmii : 1; /* are 25 unsigned int supports_gmii : 1; /* are GMII registers supported? */
27 26
28 struct net_device *dev; 27 struct net_device *dev;
29 int (*mdio_read) (struct net_device *d 28 int (*mdio_read) (struct net_device *dev, int phy_id, int location);
30 void (*mdio_write) (struct net_device 29 void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val);
31 }; 30 };
32 31
33 extern int mii_link_ok (struct mii_if_info *mi 32 extern int mii_link_ok (struct mii_if_info *mii);
34 extern int mii_nway_restart (struct mii_if_inf 33 extern int mii_nway_restart (struct mii_if_info *mii);
35 extern void mii_ethtool_gset(struct mii_if_inf !! 34 extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
36 extern void mii_ethtool_get_link_ksettings( 35 extern void mii_ethtool_get_link_ksettings(
37 struct mii_if_info *mii, struct ethtoo 36 struct mii_if_info *mii, struct ethtool_link_ksettings *cmd);
38 extern int mii_ethtool_sset(struct mii_if_info 37 extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
39 extern int mii_ethtool_set_link_ksettings( 38 extern int mii_ethtool_set_link_ksettings(
40 struct mii_if_info *mii, const struct 39 struct mii_if_info *mii, const struct ethtool_link_ksettings *cmd);
41 extern int mii_check_gmii_support(struct mii_i 40 extern int mii_check_gmii_support(struct mii_if_info *mii);
42 extern void mii_check_link (struct mii_if_info 41 extern void mii_check_link (struct mii_if_info *mii);
43 extern unsigned int mii_check_media (struct mi 42 extern unsigned int mii_check_media (struct mii_if_info *mii,
44 unsigned 43 unsigned int ok_to_print,
45 unsigned 44 unsigned int init_media);
46 extern int generic_mii_ioctl(struct mii_if_inf 45 extern int generic_mii_ioctl(struct mii_if_info *mii_if,
47 struct mii_ioctl_ 46 struct mii_ioctl_data *mii_data, int cmd,
48 unsigned int *dup 47 unsigned int *duplex_changed);
49 48
50 49
51 static inline struct mii_ioctl_data *if_mii(st 50 static inline struct mii_ioctl_data *if_mii(struct ifreq *rq)
52 { 51 {
53 return (struct mii_ioctl_data *) &rq-> 52 return (struct mii_ioctl_data *) &rq->ifr_ifru;
54 } 53 }
55 54
56 /** 55 /**
57 * mii_nway_result 56 * mii_nway_result
58 * @negotiated: value of MII ANAR and'd with A 57 * @negotiated: value of MII ANAR and'd with ANLPAR
59 * 58 *
60 * Given a set of MII abilities, check each bi 59 * Given a set of MII abilities, check each bit and returns the
61 * currently supported media, in the priority 60 * currently supported media, in the priority order defined by
62 * IEEE 802.3u. We use LPA_xxx constants but 61 * IEEE 802.3u. We use LPA_xxx constants but note this is not the
63 * value of LPA solely, as described above. 62 * value of LPA solely, as described above.
64 * 63 *
65 * The one exception to IEEE 802.3u is that 10 64 * The one exception to IEEE 802.3u is that 100baseT4 is placed
66 * between 100T-full and 100T-half. If your p 65 * between 100T-full and 100T-half. If your phy does not support
67 * 100T4 this is fine. If your phy places 100 66 * 100T4 this is fine. If your phy places 100T4 elsewhere in the
68 * priority order, you will need to roll your 67 * priority order, you will need to roll your own function.
69 */ 68 */
70 static inline unsigned int mii_nway_result (un 69 static inline unsigned int mii_nway_result (unsigned int negotiated)
71 { 70 {
72 unsigned int ret; 71 unsigned int ret;
73 72
74 if (negotiated & LPA_100FULL) 73 if (negotiated & LPA_100FULL)
75 ret = LPA_100FULL; 74 ret = LPA_100FULL;
76 else if (negotiated & LPA_100BASE4) 75 else if (negotiated & LPA_100BASE4)
77 ret = LPA_100BASE4; 76 ret = LPA_100BASE4;
78 else if (negotiated & LPA_100HALF) 77 else if (negotiated & LPA_100HALF)
79 ret = LPA_100HALF; 78 ret = LPA_100HALF;
80 else if (negotiated & LPA_10FULL) 79 else if (negotiated & LPA_10FULL)
81 ret = LPA_10FULL; 80 ret = LPA_10FULL;
82 else 81 else
83 ret = LPA_10HALF; 82 ret = LPA_10HALF;
84 83
85 return ret; 84 return ret;
86 } 85 }
87 86
88 /** 87 /**
89 * mii_duplex 88 * mii_duplex
90 * @duplex_lock: Non-zero if duplex is locked 89 * @duplex_lock: Non-zero if duplex is locked at full
91 * @negotiated: value of MII ANAR and'd with A 90 * @negotiated: value of MII ANAR and'd with ANLPAR
92 * 91 *
93 * A small helper function for a common case. 92 * A small helper function for a common case. Returns one
94 * if the media is operating or locked at full 93 * if the media is operating or locked at full duplex, and
95 * returns zero otherwise. 94 * returns zero otherwise.
96 */ 95 */
97 static inline unsigned int mii_duplex (unsigne 96 static inline unsigned int mii_duplex (unsigned int duplex_lock,
98 unsigne 97 unsigned int negotiated)
99 { 98 {
100 if (duplex_lock) 99 if (duplex_lock)
101 return 1; 100 return 1;
102 if (mii_nway_result(negotiated) & LPA_ 101 if (mii_nway_result(negotiated) & LPA_DUPLEX)
103 return 1; 102 return 1;
104 return 0; 103 return 0;
105 } 104 }
106 105
107 /** 106 /**
108 * ethtool_adv_to_mii_adv_t 107 * ethtool_adv_to_mii_adv_t
109 * @ethadv: the ethtool advertisement settings 108 * @ethadv: the ethtool advertisement settings
110 * 109 *
111 * A small helper function that translates eth 110 * A small helper function that translates ethtool advertisement
112 * settings to phy autonegotiation advertiseme 111 * settings to phy autonegotiation advertisements for the
113 * MII_ADVERTISE register. 112 * MII_ADVERTISE register.
114 */ 113 */
115 static inline u32 ethtool_adv_to_mii_adv_t(u32 114 static inline u32 ethtool_adv_to_mii_adv_t(u32 ethadv)
116 { 115 {
117 u32 result = 0; 116 u32 result = 0;
118 117
119 if (ethadv & ADVERTISED_10baseT_Half) 118 if (ethadv & ADVERTISED_10baseT_Half)
120 result |= ADVERTISE_10HALF; 119 result |= ADVERTISE_10HALF;
121 if (ethadv & ADVERTISED_10baseT_Full) 120 if (ethadv & ADVERTISED_10baseT_Full)
122 result |= ADVERTISE_10FULL; 121 result |= ADVERTISE_10FULL;
123 if (ethadv & ADVERTISED_100baseT_Half) 122 if (ethadv & ADVERTISED_100baseT_Half)
124 result |= ADVERTISE_100HALF; 123 result |= ADVERTISE_100HALF;
125 if (ethadv & ADVERTISED_100baseT_Full) 124 if (ethadv & ADVERTISED_100baseT_Full)
126 result |= ADVERTISE_100FULL; 125 result |= ADVERTISE_100FULL;
127 if (ethadv & ADVERTISED_Pause) 126 if (ethadv & ADVERTISED_Pause)
128 result |= ADVERTISE_PAUSE_CAP; 127 result |= ADVERTISE_PAUSE_CAP;
129 if (ethadv & ADVERTISED_Asym_Pause) 128 if (ethadv & ADVERTISED_Asym_Pause)
130 result |= ADVERTISE_PAUSE_ASYM 129 result |= ADVERTISE_PAUSE_ASYM;
131 130
132 return result; 131 return result;
133 } 132 }
134 133
135 /** 134 /**
136 * linkmode_adv_to_mii_adv_t <<
137 * @advertising: the linkmode advertisement se <<
138 * <<
139 * A small helper function that translates lin <<
140 * settings to phy autonegotiation advertiseme <<
141 * MII_ADVERTISE register. <<
142 */ <<
143 static inline u32 linkmode_adv_to_mii_adv_t(co <<
144 { <<
145 u32 result = 0; <<
146 <<
147 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
148 result |= ADVERTISE_10HALF; <<
149 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
150 result |= ADVERTISE_10FULL; <<
151 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
152 result |= ADVERTISE_100HALF; <<
153 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
154 result |= ADVERTISE_100FULL; <<
155 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
156 result |= ADVERTISE_PAUSE_CAP; <<
157 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
158 result |= ADVERTISE_PAUSE_ASYM <<
159 <<
160 return result; <<
161 } <<
162 <<
163 /** <<
164 * mii_adv_to_ethtool_adv_t 135 * mii_adv_to_ethtool_adv_t
165 * @adv: value of the MII_ADVERTISE register 136 * @adv: value of the MII_ADVERTISE register
166 * 137 *
167 * A small helper function that translates MII 138 * A small helper function that translates MII_ADVERTISE bits
168 * to ethtool advertisement settings. 139 * to ethtool advertisement settings.
169 */ 140 */
170 static inline u32 mii_adv_to_ethtool_adv_t(u32 141 static inline u32 mii_adv_to_ethtool_adv_t(u32 adv)
171 { 142 {
172 u32 result = 0; 143 u32 result = 0;
173 144
174 if (adv & ADVERTISE_10HALF) 145 if (adv & ADVERTISE_10HALF)
175 result |= ADVERTISED_10baseT_H 146 result |= ADVERTISED_10baseT_Half;
176 if (adv & ADVERTISE_10FULL) 147 if (adv & ADVERTISE_10FULL)
177 result |= ADVERTISED_10baseT_F 148 result |= ADVERTISED_10baseT_Full;
178 if (adv & ADVERTISE_100HALF) 149 if (adv & ADVERTISE_100HALF)
179 result |= ADVERTISED_100baseT_ 150 result |= ADVERTISED_100baseT_Half;
180 if (adv & ADVERTISE_100FULL) 151 if (adv & ADVERTISE_100FULL)
181 result |= ADVERTISED_100baseT_ 152 result |= ADVERTISED_100baseT_Full;
182 if (adv & ADVERTISE_PAUSE_CAP) 153 if (adv & ADVERTISE_PAUSE_CAP)
183 result |= ADVERTISED_Pause; 154 result |= ADVERTISED_Pause;
184 if (adv & ADVERTISE_PAUSE_ASYM) 155 if (adv & ADVERTISE_PAUSE_ASYM)
185 result |= ADVERTISED_Asym_Paus 156 result |= ADVERTISED_Asym_Pause;
186 157
187 return result; 158 return result;
188 } 159 }
189 160
190 /** 161 /**
191 * ethtool_adv_to_mii_ctrl1000_t 162 * ethtool_adv_to_mii_ctrl1000_t
192 * @ethadv: the ethtool advertisement settings 163 * @ethadv: the ethtool advertisement settings
193 * 164 *
194 * A small helper function that translates eth 165 * A small helper function that translates ethtool advertisement
195 * settings to phy autonegotiation advertiseme 166 * settings to phy autonegotiation advertisements for the
196 * MII_CTRL1000 register when in 1000T mode. 167 * MII_CTRL1000 register when in 1000T mode.
197 */ 168 */
198 static inline u32 ethtool_adv_to_mii_ctrl1000_ 169 static inline u32 ethtool_adv_to_mii_ctrl1000_t(u32 ethadv)
199 { 170 {
200 u32 result = 0; 171 u32 result = 0;
201 172
202 if (ethadv & ADVERTISED_1000baseT_Half 173 if (ethadv & ADVERTISED_1000baseT_Half)
203 result |= ADVERTISE_1000HALF; 174 result |= ADVERTISE_1000HALF;
204 if (ethadv & ADVERTISED_1000baseT_Full 175 if (ethadv & ADVERTISED_1000baseT_Full)
205 result |= ADVERTISE_1000FULL; 176 result |= ADVERTISE_1000FULL;
206 177
207 return result; 178 return result;
208 } 179 }
209 180
210 /** 181 /**
211 * linkmode_adv_to_mii_ctrl1000_t <<
212 * @advertising: the linkmode advertisement se <<
213 * <<
214 * A small helper function that translates lin <<
215 * settings to phy autonegotiation advertiseme <<
216 * MII_CTRL1000 register when in 1000T mode. <<
217 */ <<
218 static inline u32 <<
219 linkmode_adv_to_mii_ctrl1000_t(const unsigned <<
220 { <<
221 u32 result = 0; <<
222 <<
223 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
224 advertising)) <<
225 result |= ADVERTISE_1000HALF; <<
226 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
227 advertising)) <<
228 result |= ADVERTISE_1000FULL; <<
229 <<
230 return result; <<
231 } <<
232 <<
233 /** <<
234 * mii_ctrl1000_to_ethtool_adv_t 182 * mii_ctrl1000_to_ethtool_adv_t
235 * @adv: value of the MII_CTRL1000 register 183 * @adv: value of the MII_CTRL1000 register
236 * 184 *
237 * A small helper function that translates MII 185 * A small helper function that translates MII_CTRL1000
238 * bits, when in 1000Base-T mode, to ethtool 186 * bits, when in 1000Base-T mode, to ethtool
239 * advertisement settings. 187 * advertisement settings.
240 */ 188 */
241 static inline u32 mii_ctrl1000_to_ethtool_adv_ 189 static inline u32 mii_ctrl1000_to_ethtool_adv_t(u32 adv)
242 { 190 {
243 u32 result = 0; 191 u32 result = 0;
244 192
245 if (adv & ADVERTISE_1000HALF) 193 if (adv & ADVERTISE_1000HALF)
246 result |= ADVERTISED_1000baseT 194 result |= ADVERTISED_1000baseT_Half;
247 if (adv & ADVERTISE_1000FULL) 195 if (adv & ADVERTISE_1000FULL)
248 result |= ADVERTISED_1000baseT 196 result |= ADVERTISED_1000baseT_Full;
249 197
250 return result; 198 return result;
251 } 199 }
252 200
253 /** 201 /**
254 * mii_lpa_to_ethtool_lpa_t 202 * mii_lpa_to_ethtool_lpa_t
255 * @adv: value of the MII_LPA register 203 * @adv: value of the MII_LPA register
256 * 204 *
257 * A small helper function that translates MII 205 * A small helper function that translates MII_LPA
258 * bits, when in 1000Base-T mode, to ethtool 206 * bits, when in 1000Base-T mode, to ethtool
259 * LP advertisement settings. 207 * LP advertisement settings.
260 */ 208 */
261 static inline u32 mii_lpa_to_ethtool_lpa_t(u32 209 static inline u32 mii_lpa_to_ethtool_lpa_t(u32 lpa)
262 { 210 {
263 u32 result = 0; 211 u32 result = 0;
264 212
265 if (lpa & LPA_LPACK) 213 if (lpa & LPA_LPACK)
266 result |= ADVERTISED_Autoneg; 214 result |= ADVERTISED_Autoneg;
267 215
268 return result | mii_adv_to_ethtool_adv 216 return result | mii_adv_to_ethtool_adv_t(lpa);
269 } 217 }
270 218
271 /** 219 /**
272 * mii_stat1000_to_ethtool_lpa_t 220 * mii_stat1000_to_ethtool_lpa_t
273 * @adv: value of the MII_STAT1000 register 221 * @adv: value of the MII_STAT1000 register
274 * 222 *
275 * A small helper function that translates MII 223 * A small helper function that translates MII_STAT1000
276 * bits, when in 1000Base-T mode, to ethtool 224 * bits, when in 1000Base-T mode, to ethtool
277 * advertisement settings. 225 * advertisement settings.
278 */ 226 */
279 static inline u32 mii_stat1000_to_ethtool_lpa_ 227 static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa)
280 { 228 {
281 u32 result = 0; 229 u32 result = 0;
282 230
283 if (lpa & LPA_1000HALF) 231 if (lpa & LPA_1000HALF)
284 result |= ADVERTISED_1000baseT 232 result |= ADVERTISED_1000baseT_Half;
285 if (lpa & LPA_1000FULL) 233 if (lpa & LPA_1000FULL)
286 result |= ADVERTISED_1000baseT 234 result |= ADVERTISED_1000baseT_Full;
287 235
288 return result; 236 return result;
289 } 237 }
290 238
291 /** 239 /**
292 * mii_stat1000_mod_linkmode_lpa_t <<
293 * @advertising: target the linkmode advertise <<
294 * @adv: value of the MII_STAT1000 register <<
295 * <<
296 * A small helper function that translates MII <<
297 * 1000Base-T mode, to linkmode advertisement <<
298 * advertising are not changes. <<
299 */ <<
300 static inline void mii_stat1000_mod_linkmode_l <<
301 <<
302 { <<
303 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
304 advertising, lpa & LP <<
305 <<
306 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
307 advertising, lpa & LP <<
308 } <<
309 <<
310 /** <<
311 * ethtool_adv_to_mii_adv_x 240 * ethtool_adv_to_mii_adv_x
312 * @ethadv: the ethtool advertisement settings 241 * @ethadv: the ethtool advertisement settings
313 * 242 *
314 * A small helper function that translates eth 243 * A small helper function that translates ethtool advertisement
315 * settings to phy autonegotiation advertiseme 244 * settings to phy autonegotiation advertisements for the
316 * MII_CTRL1000 register when in 1000Base-X mo 245 * MII_CTRL1000 register when in 1000Base-X mode.
317 */ 246 */
318 static inline u32 ethtool_adv_to_mii_adv_x(u32 247 static inline u32 ethtool_adv_to_mii_adv_x(u32 ethadv)
319 { 248 {
320 u32 result = 0; 249 u32 result = 0;
321 250
322 if (ethadv & ADVERTISED_1000baseT_Half 251 if (ethadv & ADVERTISED_1000baseT_Half)
323 result |= ADVERTISE_1000XHALF; 252 result |= ADVERTISE_1000XHALF;
324 if (ethadv & ADVERTISED_1000baseT_Full 253 if (ethadv & ADVERTISED_1000baseT_Full)
325 result |= ADVERTISE_1000XFULL; 254 result |= ADVERTISE_1000XFULL;
326 if (ethadv & ADVERTISED_Pause) 255 if (ethadv & ADVERTISED_Pause)
327 result |= ADVERTISE_1000XPAUSE 256 result |= ADVERTISE_1000XPAUSE;
328 if (ethadv & ADVERTISED_Asym_Pause) 257 if (ethadv & ADVERTISED_Asym_Pause)
329 result |= ADVERTISE_1000XPSE_A 258 result |= ADVERTISE_1000XPSE_ASYM;
330 259
331 return result; 260 return result;
332 } 261 }
333 262
334 /** 263 /**
335 * mii_adv_to_ethtool_adv_x 264 * mii_adv_to_ethtool_adv_x
336 * @adv: value of the MII_CTRL1000 register 265 * @adv: value of the MII_CTRL1000 register
337 * 266 *
338 * A small helper function that translates MII 267 * A small helper function that translates MII_CTRL1000
339 * bits, when in 1000Base-X mode, to ethtool 268 * bits, when in 1000Base-X mode, to ethtool
340 * advertisement settings. 269 * advertisement settings.
341 */ 270 */
342 static inline u32 mii_adv_to_ethtool_adv_x(u32 271 static inline u32 mii_adv_to_ethtool_adv_x(u32 adv)
343 { 272 {
344 u32 result = 0; 273 u32 result = 0;
345 274
346 if (adv & ADVERTISE_1000XHALF) 275 if (adv & ADVERTISE_1000XHALF)
347 result |= ADVERTISED_1000baseT 276 result |= ADVERTISED_1000baseT_Half;
348 if (adv & ADVERTISE_1000XFULL) 277 if (adv & ADVERTISE_1000XFULL)
349 result |= ADVERTISED_1000baseT 278 result |= ADVERTISED_1000baseT_Full;
350 if (adv & ADVERTISE_1000XPAUSE) 279 if (adv & ADVERTISE_1000XPAUSE)
351 result |= ADVERTISED_Pause; 280 result |= ADVERTISED_Pause;
352 if (adv & ADVERTISE_1000XPSE_ASYM) 281 if (adv & ADVERTISE_1000XPSE_ASYM)
353 result |= ADVERTISED_Asym_Paus 282 result |= ADVERTISED_Asym_Pause;
354 283
355 return result; 284 return result;
356 } 285 }
357 286
358 /** 287 /**
359 * mii_adv_mod_linkmode_adv_t !! 288 * mii_lpa_to_ethtool_lpa_x
360 * @advertising:pointer to destination link mo <<
361 * @adv: value of the MII_ADVERTISE register <<
362 * <<
363 * A small helper function that translates MII <<
364 * linkmode advertisement settings. Leaves oth <<
365 */ <<
366 static inline void mii_adv_mod_linkmode_adv_t( <<
367 <<
368 { <<
369 linkmode_mod_bit(ETHTOOL_LINK_MODE_10b <<
370 advertising, adv & AD <<
371 <<
372 linkmode_mod_bit(ETHTOOL_LINK_MODE_10b <<
373 advertising, adv & AD <<
374 <<
375 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
376 advertising, adv & AD <<
377 <<
378 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
379 advertising, adv & AD <<
380 <<
381 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pau <<
382 adv & ADVERTISE_PAUSE <<
383 <<
384 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asy <<
385 advertising, adv & AD <<
386 } <<
387 <<
388 /** <<
389 * mii_adv_to_linkmode_adv_t <<
390 * @advertising:pointer to destination link mo <<
391 * @adv: value of the MII_ADVERTISE register <<
392 * <<
393 * A small helper function that translates MII <<
394 * to linkmode advertisement settings. Clears <<
395 * of advertising. <<
396 */ <<
397 static inline void mii_adv_to_linkmode_adv_t(u <<
398 u <<
399 { <<
400 linkmode_zero(advertising); <<
401 <<
402 mii_adv_mod_linkmode_adv_t(advertising <<
403 } <<
404 <<
405 /** <<
406 * mii_lpa_to_linkmode_lpa_t <<
407 * @adv: value of the MII_LPA register 289 * @adv: value of the MII_LPA register
408 * 290 *
409 * A small helper function that translates MII !! 291 * A small helper function that translates MII_LPA
410 * 1000Base-T mode, to linkmode LP advertiseme !! 292 * bits, when in 1000Base-X mode, to ethtool
411 * old value of advertising !! 293 * LP advertisement settings.
412 */ 294 */
413 static inline void mii_lpa_to_linkmode_lpa_t(u !! 295 static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa)
414 u <<
415 { 296 {
416 mii_adv_to_linkmode_adv_t(lp_advertisi !! 297 u32 result = 0;
417 298
418 if (lpa & LPA_LPACK) 299 if (lpa & LPA_LPACK)
419 linkmode_set_bit(ETHTOOL_LINK_ !! 300 result |= ADVERTISED_Autoneg;
420 lp_advertisin <<
421 <<
422 } <<
423 <<
424 /** <<
425 * mii_lpa_mod_linkmode_lpa_t <<
426 * @adv: value of the MII_LPA register <<
427 * <<
428 * A small helper function that translates MII <<
429 * 1000Base-T mode, to linkmode LP advertiseme <<
430 * other bits unchanged. <<
431 */ <<
432 static inline void mii_lpa_mod_linkmode_lpa_t( <<
433 <<
434 { <<
435 mii_adv_mod_linkmode_adv_t(lp_advertis <<
436 <<
437 linkmode_mod_bit(ETHTOOL_LINK_MODE_Aut <<
438 lp_advertising, lpa & <<
439 } <<
440 <<
441 static inline void mii_ctrl1000_mod_linkmode_a <<
442 <<
443 { <<
444 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
445 ctrl1000 & ADVERTISE_ <<
446 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 <<
447 ctrl1000 & ADVERTISE_ <<
448 } <<
449 <<
450 /** <<
451 * linkmode_adv_to_lcl_adv_t <<
452 * @advertising:pointer to linkmode advertisin <<
453 * <<
454 * A small helper function that translates lin <<
455 * pause capabilities. <<
456 */ <<
457 static inline u32 linkmode_adv_to_lcl_adv_t(co <<
458 { <<
459 u32 lcl_adv = 0; <<
460 <<
461 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
462 advertising)) <<
463 lcl_adv |= ADVERTISE_PAUSE_CAP <<
464 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
465 advertising)) <<
466 lcl_adv |= ADVERTISE_PAUSE_ASY <<
467 <<
468 return lcl_adv; <<
469 } <<
470 <<
471 /** <<
472 * mii_lpa_mod_linkmode_x - decode the link pa <<
473 * @linkmodes: link modes array <<
474 * @lpa: config_reg word from link partner <<
475 * @fd_bit: link mode for 1000XFULL bit <<
476 */ <<
477 static inline void mii_lpa_mod_linkmode_x(unsi <<
478 int f <<
479 { <<
480 linkmode_mod_bit(ETHTOOL_LINK_MODE_Aut <<
481 lpa & LPA_LPACK); <<
482 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pau <<
483 lpa & LPA_1000XPAUSE) <<
484 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asy <<
485 lpa & LPA_1000XPAUSE_ <<
486 linkmode_mod_bit(fd_bit, linkmodes, <<
487 lpa & LPA_1000XFULL); <<
488 } <<
489 <<
490 /** <<
491 * linkmode_adv_to_mii_adv_x - encode a linkmo <<
492 * @linkmodes: linkmodes <<
493 * @fd_bit: full duplex bit <<
494 */ <<
495 static inline u16 linkmode_adv_to_mii_adv_x(co <<
496 in <<
497 { <<
498 u16 adv = 0; <<
499 <<
500 if (linkmode_test_bit(fd_bit, linkmode <<
501 adv |= ADVERTISE_1000XFULL; <<
502 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
503 adv |= ADVERTISE_1000XPAUSE; <<
504 if (linkmode_test_bit(ETHTOOL_LINK_MOD <<
505 adv |= ADVERTISE_1000XPSE_ASYM <<
506 301
507 return adv; !! 302 return result | mii_adv_to_ethtool_adv_x(lpa);
508 } 303 }
509 304
510 /** 305 /**
511 * mii_advertise_flowctrl - get flow control a 306 * mii_advertise_flowctrl - get flow control advertisement flags
512 * @cap: Flow control capabilities (FLOW_CTRL_ 307 * @cap: Flow control capabilities (FLOW_CTRL_RX, FLOW_CTRL_TX or both)
513 */ 308 */
514 static inline u16 mii_advertise_flowctrl(int c 309 static inline u16 mii_advertise_flowctrl(int cap)
515 { 310 {
516 u16 adv = 0; 311 u16 adv = 0;
517 312
518 if (cap & FLOW_CTRL_RX) 313 if (cap & FLOW_CTRL_RX)
519 adv = ADVERTISE_PAUSE_CAP | AD 314 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
520 if (cap & FLOW_CTRL_TX) 315 if (cap & FLOW_CTRL_TX)
521 adv ^= ADVERTISE_PAUSE_ASYM; 316 adv ^= ADVERTISE_PAUSE_ASYM;
522 317
523 return adv; 318 return adv;
524 } 319 }
525 320
526 /** 321 /**
527 * mii_resolve_flowctrl_fdx 322 * mii_resolve_flowctrl_fdx
528 * @lcladv: value of MII ADVERTISE register 323 * @lcladv: value of MII ADVERTISE register
529 * @rmtadv: value of MII LPA register 324 * @rmtadv: value of MII LPA register
530 * 325 *
531 * Resolve full duplex flow control as per IEE 326 * Resolve full duplex flow control as per IEEE 802.3-2005 table 28B-3
532 */ 327 */
533 static inline u8 mii_resolve_flowctrl_fdx(u16 328 static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv)
534 { 329 {
535 u8 cap = 0; 330 u8 cap = 0;
536 331
537 if (lcladv & rmtadv & ADVERTISE_PAUSE_ 332 if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) {
538 cap = FLOW_CTRL_TX | FLOW_CTRL 333 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
539 } else if (lcladv & rmtadv & ADVERTISE 334 } else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) {
540 if (lcladv & ADVERTISE_PAUSE_C 335 if (lcladv & ADVERTISE_PAUSE_CAP)
541 cap = FLOW_CTRL_RX; 336 cap = FLOW_CTRL_RX;
542 else if (rmtadv & ADVERTISE_PA 337 else if (rmtadv & ADVERTISE_PAUSE_CAP)
543 cap = FLOW_CTRL_TX; 338 cap = FLOW_CTRL_TX;
544 } 339 }
545 340
546 return cap; 341 return cap;
547 } <<
548 <<
549 /** <<
550 * mii_bmcr_encode_fixed - encode fixed speed/ <<
551 * @speed: a SPEED_* value <<
552 * @duplex: a DUPLEX_* value <<
553 * <<
554 * Encode the speed and duplex to a BMCR value <<
555 * supported. 2500Mbps is encoded to 1000Mbps. <<
556 * Mbps. Unknown duplex values are encoded to <<
557 */ <<
558 static inline u16 mii_bmcr_encode_fixed(int sp <<
559 { <<
560 u16 bmcr; <<
561 <<
562 switch (speed) { <<
563 case SPEED_2500: <<
564 case SPEED_1000: <<
565 bmcr = BMCR_SPEED1000; <<
566 break; <<
567 <<
568 case SPEED_100: <<
569 bmcr = BMCR_SPEED100; <<
570 break; <<
571 <<
572 case SPEED_10: <<
573 default: <<
574 bmcr = BMCR_SPEED10; <<
575 break; <<
576 } <<
577 <<
578 if (duplex == DUPLEX_FULL) <<
579 bmcr |= BMCR_FULLDPLX; <<
580 <<
581 return bmcr; <<
582 } 342 }
583 343
584 #endif /* __LINUX_MII_H__ */ 344 #endif /* __LINUX_MII_H__ */
585 345
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