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> 13 #include <linux/linkmode.h>
14 #include <uapi/linux/mii.h> 14 #include <uapi/linux/mii.h>
15 15
16 struct ethtool_cmd; 16 struct ethtool_cmd;
17 17
18 struct mii_if_info { 18 struct mii_if_info {
19 int phy_id; 19 int phy_id;
20 int advertising; 20 int advertising;
21 int phy_id_mask; 21 int phy_id_mask;
22 int reg_num_mask; 22 int reg_num_mask;
23 23
24 unsigned int full_duplex : 1; /* is 24 unsigned int full_duplex : 1; /* is full duplex? */
25 unsigned int force_media : 1; /* is 25 unsigned int force_media : 1; /* is autoneg. disabled? */
26 unsigned int supports_gmii : 1; /* are 26 unsigned int supports_gmii : 1; /* are GMII registers supported? */
27 27
28 struct net_device *dev; 28 struct net_device *dev;
29 int (*mdio_read) (struct net_device *d 29 int (*mdio_read) (struct net_device *dev, int phy_id, int location);
30 void (*mdio_write) (struct net_device 30 void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val);
31 }; 31 };
32 32
33 extern int mii_link_ok (struct mii_if_info *mi 33 extern int mii_link_ok (struct mii_if_info *mii);
34 extern int mii_nway_restart (struct mii_if_inf 34 extern int mii_nway_restart (struct mii_if_info *mii);
35 extern void mii_ethtool_gset(struct mii_if_inf !! 35 extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
36 extern void mii_ethtool_get_link_ksettings( 36 extern void mii_ethtool_get_link_ksettings(
37 struct mii_if_info *mii, struct ethtoo 37 struct mii_if_info *mii, struct ethtool_link_ksettings *cmd);
38 extern int mii_ethtool_sset(struct mii_if_info 38 extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
39 extern int mii_ethtool_set_link_ksettings( 39 extern int mii_ethtool_set_link_ksettings(
40 struct mii_if_info *mii, const struct 40 struct mii_if_info *mii, const struct ethtool_link_ksettings *cmd);
41 extern int mii_check_gmii_support(struct mii_i 41 extern int mii_check_gmii_support(struct mii_if_info *mii);
42 extern void mii_check_link (struct mii_if_info 42 extern void mii_check_link (struct mii_if_info *mii);
43 extern unsigned int mii_check_media (struct mi 43 extern unsigned int mii_check_media (struct mii_if_info *mii,
44 unsigned 44 unsigned int ok_to_print,
45 unsigned 45 unsigned int init_media);
46 extern int generic_mii_ioctl(struct mii_if_inf 46 extern int generic_mii_ioctl(struct mii_if_info *mii_if,
47 struct mii_ioctl_ 47 struct mii_ioctl_data *mii_data, int cmd,
48 unsigned int *dup 48 unsigned int *duplex_changed);
49 49
50 50
51 static inline struct mii_ioctl_data *if_mii(st 51 static inline struct mii_ioctl_data *if_mii(struct ifreq *rq)
52 { 52 {
53 return (struct mii_ioctl_data *) &rq-> 53 return (struct mii_ioctl_data *) &rq->ifr_ifru;
54 } 54 }
55 55
56 /** 56 /**
57 * mii_nway_result 57 * mii_nway_result
58 * @negotiated: value of MII ANAR and'd with A 58 * @negotiated: value of MII ANAR and'd with ANLPAR
59 * 59 *
60 * Given a set of MII abilities, check each bi 60 * Given a set of MII abilities, check each bit and returns the
61 * currently supported media, in the priority 61 * currently supported media, in the priority order defined by
62 * IEEE 802.3u. We use LPA_xxx constants but 62 * IEEE 802.3u. We use LPA_xxx constants but note this is not the
63 * value of LPA solely, as described above. 63 * value of LPA solely, as described above.
64 * 64 *
65 * The one exception to IEEE 802.3u is that 10 65 * The one exception to IEEE 802.3u is that 100baseT4 is placed
66 * between 100T-full and 100T-half. If your p 66 * between 100T-full and 100T-half. If your phy does not support
67 * 100T4 this is fine. If your phy places 100 67 * 100T4 this is fine. If your phy places 100T4 elsewhere in the
68 * priority order, you will need to roll your 68 * priority order, you will need to roll your own function.
69 */ 69 */
70 static inline unsigned int mii_nway_result (un 70 static inline unsigned int mii_nway_result (unsigned int negotiated)
71 { 71 {
72 unsigned int ret; 72 unsigned int ret;
73 73
74 if (negotiated & LPA_100FULL) 74 if (negotiated & LPA_100FULL)
75 ret = LPA_100FULL; 75 ret = LPA_100FULL;
76 else if (negotiated & LPA_100BASE4) 76 else if (negotiated & LPA_100BASE4)
77 ret = LPA_100BASE4; 77 ret = LPA_100BASE4;
78 else if (negotiated & LPA_100HALF) 78 else if (negotiated & LPA_100HALF)
79 ret = LPA_100HALF; 79 ret = LPA_100HALF;
80 else if (negotiated & LPA_10FULL) 80 else if (negotiated & LPA_10FULL)
81 ret = LPA_10FULL; 81 ret = LPA_10FULL;
82 else 82 else
83 ret = LPA_10HALF; 83 ret = LPA_10HALF;
84 84
85 return ret; 85 return ret;
86 } 86 }
87 87
88 /** 88 /**
89 * mii_duplex 89 * mii_duplex
90 * @duplex_lock: Non-zero if duplex is locked 90 * @duplex_lock: Non-zero if duplex is locked at full
91 * @negotiated: value of MII ANAR and'd with A 91 * @negotiated: value of MII ANAR and'd with ANLPAR
92 * 92 *
93 * A small helper function for a common case. 93 * A small helper function for a common case. Returns one
94 * if the media is operating or locked at full 94 * if the media is operating or locked at full duplex, and
95 * returns zero otherwise. 95 * returns zero otherwise.
96 */ 96 */
97 static inline unsigned int mii_duplex (unsigne 97 static inline unsigned int mii_duplex (unsigned int duplex_lock,
98 unsigne 98 unsigned int negotiated)
99 { 99 {
100 if (duplex_lock) 100 if (duplex_lock)
101 return 1; 101 return 1;
102 if (mii_nway_result(negotiated) & LPA_ 102 if (mii_nway_result(negotiated) & LPA_DUPLEX)
103 return 1; 103 return 1;
104 return 0; 104 return 0;
105 } 105 }
106 106
107 /** 107 /**
108 * ethtool_adv_to_mii_adv_t 108 * ethtool_adv_to_mii_adv_t
109 * @ethadv: the ethtool advertisement settings 109 * @ethadv: the ethtool advertisement settings
110 * 110 *
111 * A small helper function that translates eth 111 * A small helper function that translates ethtool advertisement
112 * settings to phy autonegotiation advertiseme 112 * settings to phy autonegotiation advertisements for the
113 * MII_ADVERTISE register. 113 * MII_ADVERTISE register.
114 */ 114 */
115 static inline u32 ethtool_adv_to_mii_adv_t(u32 115 static inline u32 ethtool_adv_to_mii_adv_t(u32 ethadv)
116 { 116 {
117 u32 result = 0; 117 u32 result = 0;
118 118
119 if (ethadv & ADVERTISED_10baseT_Half) 119 if (ethadv & ADVERTISED_10baseT_Half)
120 result |= ADVERTISE_10HALF; 120 result |= ADVERTISE_10HALF;
121 if (ethadv & ADVERTISED_10baseT_Full) 121 if (ethadv & ADVERTISED_10baseT_Full)
122 result |= ADVERTISE_10FULL; 122 result |= ADVERTISE_10FULL;
123 if (ethadv & ADVERTISED_100baseT_Half) 123 if (ethadv & ADVERTISED_100baseT_Half)
124 result |= ADVERTISE_100HALF; 124 result |= ADVERTISE_100HALF;
125 if (ethadv & ADVERTISED_100baseT_Full) 125 if (ethadv & ADVERTISED_100baseT_Full)
126 result |= ADVERTISE_100FULL; 126 result |= ADVERTISE_100FULL;
127 if (ethadv & ADVERTISED_Pause) 127 if (ethadv & ADVERTISED_Pause)
128 result |= ADVERTISE_PAUSE_CAP; 128 result |= ADVERTISE_PAUSE_CAP;
129 if (ethadv & ADVERTISED_Asym_Pause) 129 if (ethadv & ADVERTISED_Asym_Pause)
130 result |= ADVERTISE_PAUSE_ASYM 130 result |= ADVERTISE_PAUSE_ASYM;
131 131
132 return result; 132 return result;
133 } 133 }
134 134
135 /** 135 /**
136 * linkmode_adv_to_mii_adv_t 136 * linkmode_adv_to_mii_adv_t
137 * @advertising: the linkmode advertisement se 137 * @advertising: the linkmode advertisement settings
138 * 138 *
139 * A small helper function that translates lin 139 * A small helper function that translates linkmode advertisement
140 * settings to phy autonegotiation advertiseme 140 * settings to phy autonegotiation advertisements for the
141 * MII_ADVERTISE register. 141 * MII_ADVERTISE register.
142 */ 142 */
143 static inline u32 linkmode_adv_to_mii_adv_t(co !! 143 static inline u32 linkmode_adv_to_mii_adv_t(unsigned long *advertising)
144 { 144 {
145 u32 result = 0; 145 u32 result = 0;
146 146
147 if (linkmode_test_bit(ETHTOOL_LINK_MOD 147 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, advertising))
148 result |= ADVERTISE_10HALF; 148 result |= ADVERTISE_10HALF;
149 if (linkmode_test_bit(ETHTOOL_LINK_MOD 149 if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, advertising))
150 result |= ADVERTISE_10FULL; 150 result |= ADVERTISE_10FULL;
151 if (linkmode_test_bit(ETHTOOL_LINK_MOD 151 if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, advertising))
152 result |= ADVERTISE_100HALF; 152 result |= ADVERTISE_100HALF;
153 if (linkmode_test_bit(ETHTOOL_LINK_MOD 153 if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, advertising))
154 result |= ADVERTISE_100FULL; 154 result |= ADVERTISE_100FULL;
155 if (linkmode_test_bit(ETHTOOL_LINK_MOD 155 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising))
156 result |= ADVERTISE_PAUSE_CAP; 156 result |= ADVERTISE_PAUSE_CAP;
157 if (linkmode_test_bit(ETHTOOL_LINK_MOD 157 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertising))
158 result |= ADVERTISE_PAUSE_ASYM 158 result |= ADVERTISE_PAUSE_ASYM;
159 159
160 return result; 160 return result;
161 } 161 }
162 162
163 /** 163 /**
164 * mii_adv_to_ethtool_adv_t 164 * mii_adv_to_ethtool_adv_t
165 * @adv: value of the MII_ADVERTISE register 165 * @adv: value of the MII_ADVERTISE register
166 * 166 *
167 * A small helper function that translates MII 167 * A small helper function that translates MII_ADVERTISE bits
168 * to ethtool advertisement settings. 168 * to ethtool advertisement settings.
169 */ 169 */
170 static inline u32 mii_adv_to_ethtool_adv_t(u32 170 static inline u32 mii_adv_to_ethtool_adv_t(u32 adv)
171 { 171 {
172 u32 result = 0; 172 u32 result = 0;
173 173
174 if (adv & ADVERTISE_10HALF) 174 if (adv & ADVERTISE_10HALF)
175 result |= ADVERTISED_10baseT_H 175 result |= ADVERTISED_10baseT_Half;
176 if (adv & ADVERTISE_10FULL) 176 if (adv & ADVERTISE_10FULL)
177 result |= ADVERTISED_10baseT_F 177 result |= ADVERTISED_10baseT_Full;
178 if (adv & ADVERTISE_100HALF) 178 if (adv & ADVERTISE_100HALF)
179 result |= ADVERTISED_100baseT_ 179 result |= ADVERTISED_100baseT_Half;
180 if (adv & ADVERTISE_100FULL) 180 if (adv & ADVERTISE_100FULL)
181 result |= ADVERTISED_100baseT_ 181 result |= ADVERTISED_100baseT_Full;
182 if (adv & ADVERTISE_PAUSE_CAP) 182 if (adv & ADVERTISE_PAUSE_CAP)
183 result |= ADVERTISED_Pause; 183 result |= ADVERTISED_Pause;
184 if (adv & ADVERTISE_PAUSE_ASYM) 184 if (adv & ADVERTISE_PAUSE_ASYM)
185 result |= ADVERTISED_Asym_Paus 185 result |= ADVERTISED_Asym_Pause;
186 186
187 return result; 187 return result;
188 } 188 }
189 189
190 /** 190 /**
191 * ethtool_adv_to_mii_ctrl1000_t 191 * ethtool_adv_to_mii_ctrl1000_t
192 * @ethadv: the ethtool advertisement settings 192 * @ethadv: the ethtool advertisement settings
193 * 193 *
194 * A small helper function that translates eth 194 * A small helper function that translates ethtool advertisement
195 * settings to phy autonegotiation advertiseme 195 * settings to phy autonegotiation advertisements for the
196 * MII_CTRL1000 register when in 1000T mode. 196 * MII_CTRL1000 register when in 1000T mode.
197 */ 197 */
198 static inline u32 ethtool_adv_to_mii_ctrl1000_ 198 static inline u32 ethtool_adv_to_mii_ctrl1000_t(u32 ethadv)
199 { 199 {
200 u32 result = 0; 200 u32 result = 0;
201 201
202 if (ethadv & ADVERTISED_1000baseT_Half 202 if (ethadv & ADVERTISED_1000baseT_Half)
203 result |= ADVERTISE_1000HALF; 203 result |= ADVERTISE_1000HALF;
204 if (ethadv & ADVERTISED_1000baseT_Full 204 if (ethadv & ADVERTISED_1000baseT_Full)
205 result |= ADVERTISE_1000FULL; 205 result |= ADVERTISE_1000FULL;
206 206
207 return result; 207 return result;
208 } 208 }
209 209
210 /** 210 /**
211 * linkmode_adv_to_mii_ctrl1000_t 211 * linkmode_adv_to_mii_ctrl1000_t
212 * @advertising: the linkmode advertisement se 212 * @advertising: the linkmode advertisement settings
213 * 213 *
214 * A small helper function that translates lin 214 * A small helper function that translates linkmode advertisement
215 * settings to phy autonegotiation advertiseme 215 * settings to phy autonegotiation advertisements for the
216 * MII_CTRL1000 register when in 1000T mode. 216 * MII_CTRL1000 register when in 1000T mode.
217 */ 217 */
218 static inline u32 !! 218 static inline u32 linkmode_adv_to_mii_ctrl1000_t(unsigned long *advertising)
219 linkmode_adv_to_mii_ctrl1000_t(const unsigned <<
220 { 219 {
221 u32 result = 0; 220 u32 result = 0;
222 221
223 if (linkmode_test_bit(ETHTOOL_LINK_MOD 222 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
224 advertising)) 223 advertising))
225 result |= ADVERTISE_1000HALF; 224 result |= ADVERTISE_1000HALF;
226 if (linkmode_test_bit(ETHTOOL_LINK_MOD 225 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
227 advertising)) 226 advertising))
228 result |= ADVERTISE_1000FULL; 227 result |= ADVERTISE_1000FULL;
229 228
230 return result; 229 return result;
231 } 230 }
232 231
233 /** 232 /**
234 * mii_ctrl1000_to_ethtool_adv_t 233 * mii_ctrl1000_to_ethtool_adv_t
235 * @adv: value of the MII_CTRL1000 register 234 * @adv: value of the MII_CTRL1000 register
236 * 235 *
237 * A small helper function that translates MII 236 * A small helper function that translates MII_CTRL1000
238 * bits, when in 1000Base-T mode, to ethtool 237 * bits, when in 1000Base-T mode, to ethtool
239 * advertisement settings. 238 * advertisement settings.
240 */ 239 */
241 static inline u32 mii_ctrl1000_to_ethtool_adv_ 240 static inline u32 mii_ctrl1000_to_ethtool_adv_t(u32 adv)
242 { 241 {
243 u32 result = 0; 242 u32 result = 0;
244 243
245 if (adv & ADVERTISE_1000HALF) 244 if (adv & ADVERTISE_1000HALF)
246 result |= ADVERTISED_1000baseT 245 result |= ADVERTISED_1000baseT_Half;
247 if (adv & ADVERTISE_1000FULL) 246 if (adv & ADVERTISE_1000FULL)
248 result |= ADVERTISED_1000baseT 247 result |= ADVERTISED_1000baseT_Full;
249 248
250 return result; 249 return result;
251 } 250 }
252 251
253 /** 252 /**
254 * mii_lpa_to_ethtool_lpa_t 253 * mii_lpa_to_ethtool_lpa_t
255 * @adv: value of the MII_LPA register 254 * @adv: value of the MII_LPA register
256 * 255 *
257 * A small helper function that translates MII 256 * A small helper function that translates MII_LPA
258 * bits, when in 1000Base-T mode, to ethtool 257 * bits, when in 1000Base-T mode, to ethtool
259 * LP advertisement settings. 258 * LP advertisement settings.
260 */ 259 */
261 static inline u32 mii_lpa_to_ethtool_lpa_t(u32 260 static inline u32 mii_lpa_to_ethtool_lpa_t(u32 lpa)
262 { 261 {
263 u32 result = 0; 262 u32 result = 0;
264 263
265 if (lpa & LPA_LPACK) 264 if (lpa & LPA_LPACK)
266 result |= ADVERTISED_Autoneg; 265 result |= ADVERTISED_Autoneg;
267 266
268 return result | mii_adv_to_ethtool_adv 267 return result | mii_adv_to_ethtool_adv_t(lpa);
269 } 268 }
270 269
271 /** 270 /**
272 * mii_stat1000_to_ethtool_lpa_t 271 * mii_stat1000_to_ethtool_lpa_t
273 * @adv: value of the MII_STAT1000 register 272 * @adv: value of the MII_STAT1000 register
274 * 273 *
275 * A small helper function that translates MII 274 * A small helper function that translates MII_STAT1000
276 * bits, when in 1000Base-T mode, to ethtool 275 * bits, when in 1000Base-T mode, to ethtool
277 * advertisement settings. 276 * advertisement settings.
278 */ 277 */
279 static inline u32 mii_stat1000_to_ethtool_lpa_ 278 static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa)
280 { 279 {
281 u32 result = 0; 280 u32 result = 0;
282 281
283 if (lpa & LPA_1000HALF) 282 if (lpa & LPA_1000HALF)
284 result |= ADVERTISED_1000baseT 283 result |= ADVERTISED_1000baseT_Half;
285 if (lpa & LPA_1000FULL) 284 if (lpa & LPA_1000FULL)
286 result |= ADVERTISED_1000baseT 285 result |= ADVERTISED_1000baseT_Full;
287 286
288 return result; 287 return result;
289 } 288 }
290 289
291 /** 290 /**
292 * mii_stat1000_mod_linkmode_lpa_t 291 * mii_stat1000_mod_linkmode_lpa_t
293 * @advertising: target the linkmode advertise 292 * @advertising: target the linkmode advertisement settings
294 * @adv: value of the MII_STAT1000 register 293 * @adv: value of the MII_STAT1000 register
295 * 294 *
296 * A small helper function that translates MII 295 * A small helper function that translates MII_STAT1000 bits, when in
297 * 1000Base-T mode, to linkmode advertisement 296 * 1000Base-T mode, to linkmode advertisement settings. Other bits in
298 * advertising are not changes. 297 * advertising are not changes.
299 */ 298 */
300 static inline void mii_stat1000_mod_linkmode_l 299 static inline void mii_stat1000_mod_linkmode_lpa_t(unsigned long *advertising,
301 300 u32 lpa)
302 { 301 {
303 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 302 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
304 advertising, lpa & LP 303 advertising, lpa & LPA_1000HALF);
305 304
306 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 305 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
307 advertising, lpa & LP 306 advertising, lpa & LPA_1000FULL);
308 } 307 }
309 308
310 /** 309 /**
311 * ethtool_adv_to_mii_adv_x 310 * ethtool_adv_to_mii_adv_x
312 * @ethadv: the ethtool advertisement settings 311 * @ethadv: the ethtool advertisement settings
313 * 312 *
314 * A small helper function that translates eth 313 * A small helper function that translates ethtool advertisement
315 * settings to phy autonegotiation advertiseme 314 * settings to phy autonegotiation advertisements for the
316 * MII_CTRL1000 register when in 1000Base-X mo 315 * MII_CTRL1000 register when in 1000Base-X mode.
317 */ 316 */
318 static inline u32 ethtool_adv_to_mii_adv_x(u32 317 static inline u32 ethtool_adv_to_mii_adv_x(u32 ethadv)
319 { 318 {
320 u32 result = 0; 319 u32 result = 0;
321 320
322 if (ethadv & ADVERTISED_1000baseT_Half 321 if (ethadv & ADVERTISED_1000baseT_Half)
323 result |= ADVERTISE_1000XHALF; 322 result |= ADVERTISE_1000XHALF;
324 if (ethadv & ADVERTISED_1000baseT_Full 323 if (ethadv & ADVERTISED_1000baseT_Full)
325 result |= ADVERTISE_1000XFULL; 324 result |= ADVERTISE_1000XFULL;
326 if (ethadv & ADVERTISED_Pause) 325 if (ethadv & ADVERTISED_Pause)
327 result |= ADVERTISE_1000XPAUSE 326 result |= ADVERTISE_1000XPAUSE;
328 if (ethadv & ADVERTISED_Asym_Pause) 327 if (ethadv & ADVERTISED_Asym_Pause)
329 result |= ADVERTISE_1000XPSE_A 328 result |= ADVERTISE_1000XPSE_ASYM;
330 329
331 return result; 330 return result;
332 } 331 }
333 332
334 /** 333 /**
335 * mii_adv_to_ethtool_adv_x 334 * mii_adv_to_ethtool_adv_x
336 * @adv: value of the MII_CTRL1000 register 335 * @adv: value of the MII_CTRL1000 register
337 * 336 *
338 * A small helper function that translates MII 337 * A small helper function that translates MII_CTRL1000
339 * bits, when in 1000Base-X mode, to ethtool 338 * bits, when in 1000Base-X mode, to ethtool
340 * advertisement settings. 339 * advertisement settings.
341 */ 340 */
342 static inline u32 mii_adv_to_ethtool_adv_x(u32 341 static inline u32 mii_adv_to_ethtool_adv_x(u32 adv)
343 { 342 {
344 u32 result = 0; 343 u32 result = 0;
345 344
346 if (adv & ADVERTISE_1000XHALF) 345 if (adv & ADVERTISE_1000XHALF)
347 result |= ADVERTISED_1000baseT 346 result |= ADVERTISED_1000baseT_Half;
348 if (adv & ADVERTISE_1000XFULL) 347 if (adv & ADVERTISE_1000XFULL)
349 result |= ADVERTISED_1000baseT 348 result |= ADVERTISED_1000baseT_Full;
350 if (adv & ADVERTISE_1000XPAUSE) 349 if (adv & ADVERTISE_1000XPAUSE)
351 result |= ADVERTISED_Pause; 350 result |= ADVERTISED_Pause;
352 if (adv & ADVERTISE_1000XPSE_ASYM) 351 if (adv & ADVERTISE_1000XPSE_ASYM)
353 result |= ADVERTISED_Asym_Paus 352 result |= ADVERTISED_Asym_Pause;
354 353
355 return result; 354 return result;
356 } 355 }
357 356
358 /** 357 /**
>> 358 * mii_lpa_to_ethtool_lpa_x
>> 359 * @adv: value of the MII_LPA register
>> 360 *
>> 361 * A small helper function that translates MII_LPA
>> 362 * bits, when in 1000Base-X mode, to ethtool
>> 363 * LP advertisement settings.
>> 364 */
>> 365 static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa)
>> 366 {
>> 367 u32 result = 0;
>> 368
>> 369 if (lpa & LPA_LPACK)
>> 370 result |= ADVERTISED_Autoneg;
>> 371
>> 372 return result | mii_adv_to_ethtool_adv_x(lpa);
>> 373 }
>> 374
>> 375 /**
359 * mii_adv_mod_linkmode_adv_t 376 * mii_adv_mod_linkmode_adv_t
360 * @advertising:pointer to destination link mo 377 * @advertising:pointer to destination link mode.
361 * @adv: value of the MII_ADVERTISE register 378 * @adv: value of the MII_ADVERTISE register
362 * 379 *
363 * A small helper function that translates MII 380 * A small helper function that translates MII_ADVERTISE bits to
364 * linkmode advertisement settings. Leaves oth 381 * linkmode advertisement settings. Leaves other bits unchanged.
365 */ 382 */
366 static inline void mii_adv_mod_linkmode_adv_t( 383 static inline void mii_adv_mod_linkmode_adv_t(unsigned long *advertising,
367 384 u32 adv)
368 { 385 {
369 linkmode_mod_bit(ETHTOOL_LINK_MODE_10b 386 linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
370 advertising, adv & AD 387 advertising, adv & ADVERTISE_10HALF);
371 388
372 linkmode_mod_bit(ETHTOOL_LINK_MODE_10b 389 linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
373 advertising, adv & AD 390 advertising, adv & ADVERTISE_10FULL);
374 391
375 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 392 linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
376 advertising, adv & AD 393 advertising, adv & ADVERTISE_100HALF);
377 394
378 linkmode_mod_bit(ETHTOOL_LINK_MODE_100 395 linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
379 advertising, adv & AD 396 advertising, adv & ADVERTISE_100FULL);
380 397
381 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pau 398 linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertising,
382 adv & ADVERTISE_PAUSE 399 adv & ADVERTISE_PAUSE_CAP);
383 400
384 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asy 401 linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
385 advertising, adv & AD 402 advertising, adv & ADVERTISE_PAUSE_ASYM);
386 } 403 }
387 404
388 /** 405 /**
389 * mii_adv_to_linkmode_adv_t 406 * mii_adv_to_linkmode_adv_t
390 * @advertising:pointer to destination link mo 407 * @advertising:pointer to destination link mode.
391 * @adv: value of the MII_ADVERTISE register 408 * @adv: value of the MII_ADVERTISE register
392 * 409 *
393 * A small helper function that translates MII 410 * A small helper function that translates MII_ADVERTISE bits
394 * to linkmode advertisement settings. Clears 411 * to linkmode advertisement settings. Clears the old value
395 * of advertising. 412 * of advertising.
396 */ 413 */
397 static inline void mii_adv_to_linkmode_adv_t(u 414 static inline void mii_adv_to_linkmode_adv_t(unsigned long *advertising,
398 u 415 u32 adv)
399 { 416 {
400 linkmode_zero(advertising); 417 linkmode_zero(advertising);
401 418
402 mii_adv_mod_linkmode_adv_t(advertising 419 mii_adv_mod_linkmode_adv_t(advertising, adv);
403 } 420 }
404 421
405 /** 422 /**
406 * mii_lpa_to_linkmode_lpa_t 423 * mii_lpa_to_linkmode_lpa_t
407 * @adv: value of the MII_LPA register 424 * @adv: value of the MII_LPA register
408 * 425 *
409 * A small helper function that translates MII 426 * A small helper function that translates MII_LPA bits, when in
410 * 1000Base-T mode, to linkmode LP advertiseme 427 * 1000Base-T mode, to linkmode LP advertisement settings. Clears the
411 * old value of advertising 428 * old value of advertising
412 */ 429 */
413 static inline void mii_lpa_to_linkmode_lpa_t(u 430 static inline void mii_lpa_to_linkmode_lpa_t(unsigned long *lp_advertising,
414 u 431 u32 lpa)
415 { 432 {
416 mii_adv_to_linkmode_adv_t(lp_advertisi 433 mii_adv_to_linkmode_adv_t(lp_advertising, lpa);
417 434
418 if (lpa & LPA_LPACK) 435 if (lpa & LPA_LPACK)
419 linkmode_set_bit(ETHTOOL_LINK_ 436 linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
420 lp_advertisin 437 lp_advertising);
421 438
422 } 439 }
423 440
424 /** 441 /**
425 * mii_lpa_mod_linkmode_lpa_t 442 * mii_lpa_mod_linkmode_lpa_t
426 * @adv: value of the MII_LPA register 443 * @adv: value of the MII_LPA register
427 * 444 *
428 * A small helper function that translates MII 445 * A small helper function that translates MII_LPA bits, when in
429 * 1000Base-T mode, to linkmode LP advertiseme 446 * 1000Base-T mode, to linkmode LP advertisement settings. Leaves
430 * other bits unchanged. 447 * other bits unchanged.
431 */ 448 */
432 static inline void mii_lpa_mod_linkmode_lpa_t( 449 static inline void mii_lpa_mod_linkmode_lpa_t(unsigned long *lp_advertising,
433 450 u32 lpa)
434 { 451 {
435 mii_adv_mod_linkmode_adv_t(lp_advertis 452 mii_adv_mod_linkmode_adv_t(lp_advertising, lpa);
436 453
437 linkmode_mod_bit(ETHTOOL_LINK_MODE_Aut 454 linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
438 lp_advertising, lpa & 455 lp_advertising, lpa & LPA_LPACK);
439 } 456 }
440 457
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 /** 458 /**
451 * linkmode_adv_to_lcl_adv_t 459 * linkmode_adv_to_lcl_adv_t
452 * @advertising:pointer to linkmode advertisin 460 * @advertising:pointer to linkmode advertising
453 * 461 *
454 * A small helper function that translates lin 462 * A small helper function that translates linkmode advertising to LVL
455 * pause capabilities. 463 * pause capabilities.
456 */ 464 */
457 static inline u32 linkmode_adv_to_lcl_adv_t(co !! 465 static inline u32 linkmode_adv_to_lcl_adv_t(unsigned long *advertising)
458 { 466 {
459 u32 lcl_adv = 0; 467 u32 lcl_adv = 0;
460 468
461 if (linkmode_test_bit(ETHTOOL_LINK_MOD 469 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
462 advertising)) 470 advertising))
463 lcl_adv |= ADVERTISE_PAUSE_CAP 471 lcl_adv |= ADVERTISE_PAUSE_CAP;
464 if (linkmode_test_bit(ETHTOOL_LINK_MOD 472 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
465 advertising)) 473 advertising))
466 lcl_adv |= ADVERTISE_PAUSE_ASY 474 lcl_adv |= ADVERTISE_PAUSE_ASYM;
467 475
468 return lcl_adv; 476 return lcl_adv;
469 } 477 }
470 478
471 /** 479 /**
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 <<
507 return adv; <<
508 } <<
509 <<
510 /** <<
511 * mii_advertise_flowctrl - get flow control a 480 * mii_advertise_flowctrl - get flow control advertisement flags
512 * @cap: Flow control capabilities (FLOW_CTRL_ 481 * @cap: Flow control capabilities (FLOW_CTRL_RX, FLOW_CTRL_TX or both)
513 */ 482 */
514 static inline u16 mii_advertise_flowctrl(int c 483 static inline u16 mii_advertise_flowctrl(int cap)
515 { 484 {
516 u16 adv = 0; 485 u16 adv = 0;
517 486
518 if (cap & FLOW_CTRL_RX) 487 if (cap & FLOW_CTRL_RX)
519 adv = ADVERTISE_PAUSE_CAP | AD 488 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
520 if (cap & FLOW_CTRL_TX) 489 if (cap & FLOW_CTRL_TX)
521 adv ^= ADVERTISE_PAUSE_ASYM; 490 adv ^= ADVERTISE_PAUSE_ASYM;
522 491
523 return adv; 492 return adv;
524 } 493 }
525 494
526 /** 495 /**
527 * mii_resolve_flowctrl_fdx 496 * mii_resolve_flowctrl_fdx
528 * @lcladv: value of MII ADVERTISE register 497 * @lcladv: value of MII ADVERTISE register
529 * @rmtadv: value of MII LPA register 498 * @rmtadv: value of MII LPA register
530 * 499 *
531 * Resolve full duplex flow control as per IEE 500 * Resolve full duplex flow control as per IEEE 802.3-2005 table 28B-3
532 */ 501 */
533 static inline u8 mii_resolve_flowctrl_fdx(u16 502 static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv)
534 { 503 {
535 u8 cap = 0; 504 u8 cap = 0;
536 505
537 if (lcladv & rmtadv & ADVERTISE_PAUSE_ 506 if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) {
538 cap = FLOW_CTRL_TX | FLOW_CTRL 507 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
539 } else if (lcladv & rmtadv & ADVERTISE 508 } else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) {
540 if (lcladv & ADVERTISE_PAUSE_C 509 if (lcladv & ADVERTISE_PAUSE_CAP)
541 cap = FLOW_CTRL_RX; 510 cap = FLOW_CTRL_RX;
542 else if (rmtadv & ADVERTISE_PA 511 else if (rmtadv & ADVERTISE_PAUSE_CAP)
543 cap = FLOW_CTRL_TX; 512 cap = FLOW_CTRL_TX;
544 } 513 }
545 514
546 return cap; 515 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 } 516 }
583 517
584 #endif /* __LINUX_MII_H__ */ 518 #endif /* __LINUX_MII_H__ */
585 519
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