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8#ifndef __LINUX_MII_H__
9#define __LINUX_MII_H__
10
11#include <linux/types.h>
12
13
14#define MII_BMCR 0x00
15#define MII_BMSR 0x01
16#define MII_PHYSID1 0x02
17#define MII_PHYSID2 0x03
18#define MII_ADVERTISE 0x04
19#define MII_LPA 0x05
20#define MII_EXPANSION 0x06
21#define MII_CTRL1000 0x09
22#define MII_STAT1000 0x0a
23#define MII_ESTATUS 0x0f
24#define MII_DCOUNTER 0x12
25#define MII_FCSCOUNTER 0x13
26#define MII_NWAYTEST 0x14
27#define MII_RERRCOUNTER 0x15
28#define MII_SREVISION 0x16
29#define MII_RESV1 0x17
30#define MII_LBRERROR 0x18
31#define MII_PHYADDR 0x19
32#define MII_RESV2 0x1a
33#define MII_TPISTATUS 0x1b
34#define MII_NCONFIG 0x1c
35
36
37#define BMCR_RESV 0x003f
38#define BMCR_SPEED1000 0x0040
39#define BMCR_CTST 0x0080
40#define BMCR_FULLDPLX 0x0100
41#define BMCR_ANRESTART 0x0200
42#define BMCR_ISOLATE 0x0400
43#define BMCR_PDOWN 0x0800
44#define BMCR_ANENABLE 0x1000
45#define BMCR_SPEED100 0x2000
46#define BMCR_LOOPBACK 0x4000
47#define BMCR_RESET 0x8000
48
49
50#define BMSR_ERCAP 0x0001
51#define BMSR_JCD 0x0002
52#define BMSR_LSTATUS 0x0004
53#define BMSR_ANEGCAPABLE 0x0008
54#define BMSR_RFAULT 0x0010
55#define BMSR_ANEGCOMPLETE 0x0020
56#define BMSR_RESV 0x00c0
57#define BMSR_ESTATEN 0x0100
58#define BMSR_100HALF2 0x0200
59#define BMSR_100FULL2 0x0400
60#define BMSR_10HALF 0x0800
61#define BMSR_10FULL 0x1000
62#define BMSR_100HALF 0x2000
63#define BMSR_100FULL 0x4000
64#define BMSR_100BASE4 0x8000
65
66
67#define ADVERTISE_SLCT 0x001f
68#define ADVERTISE_CSMA 0x0001
69#define ADVERTISE_10HALF 0x0020
70#define ADVERTISE_1000XFULL 0x0020
71#define ADVERTISE_10FULL 0x0040
72#define ADVERTISE_1000XHALF 0x0040
73#define ADVERTISE_100HALF 0x0080
74#define ADVERTISE_1000XPAUSE 0x0080
75#define ADVERTISE_100FULL 0x0100
76#define ADVERTISE_1000XPSE_ASYM 0x0100
77#define ADVERTISE_100BASE4 0x0200
78#define ADVERTISE_PAUSE_CAP 0x0400
79#define ADVERTISE_PAUSE_ASYM 0x0800
80#define ADVERTISE_RESV 0x1000
81#define ADVERTISE_RFAULT 0x2000
82#define ADVERTISE_LPACK 0x4000
83#define ADVERTISE_NPAGE 0x8000
84
85#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
86 ADVERTISE_CSMA)
87#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
88 ADVERTISE_100HALF | ADVERTISE_100FULL)
89
90
91#define LPA_SLCT 0x001f
92#define LPA_10HALF 0x0020
93#define LPA_1000XFULL 0x0020
94#define LPA_10FULL 0x0040
95#define LPA_1000XHALF 0x0040
96#define LPA_100HALF 0x0080
97#define LPA_1000XPAUSE 0x0080
98#define LPA_100FULL 0x0100
99#define LPA_1000XPAUSE_ASYM 0x0100
100#define LPA_100BASE4 0x0200
101#define LPA_PAUSE_CAP 0x0400
102#define LPA_PAUSE_ASYM 0x0800
103#define LPA_RESV 0x1000
104#define LPA_RFAULT 0x2000
105#define LPA_LPACK 0x4000
106#define LPA_NPAGE 0x8000
107
108#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
109#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
110
111
112#define EXPANSION_NWAY 0x0001
113#define EXPANSION_LCWP 0x0002
114#define EXPANSION_ENABLENPAGE 0x0004
115#define EXPANSION_NPCAPABLE 0x0008
116#define EXPANSION_MFAULTS 0x0010
117#define EXPANSION_RESV 0xffe0
118
119#define ESTATUS_1000_TFULL 0x2000
120#define ESTATUS_1000_THALF 0x1000
121
122
123#define NWAYTEST_RESV1 0x00ff
124#define NWAYTEST_LOOPBACK 0x0100
125#define NWAYTEST_RESV2 0xfe00
126
127
128#define ADVERTISE_1000FULL 0x0200
129#define ADVERTISE_1000HALF 0x0100
130#define CTL1000_AS_MASTER 0x0800
131#define CTL1000_ENABLE_MASTER 0x1000
132
133
134#define LPA_1000LOCALRXOK 0x2000
135#define LPA_1000REMRXOK 0x1000
136#define LPA_1000FULL 0x0800
137#define LPA_1000HALF 0x0400
138
139
140#define FLOW_CTRL_TX 0x01
141#define FLOW_CTRL_RX 0x02
142
143
144struct mii_ioctl_data {
145 __u16 phy_id;
146 __u16 reg_num;
147 __u16 val_in;
148 __u16 val_out;
149};
150
151#ifdef __KERNEL__
152
153#include <linux/if.h>
154
155struct ethtool_cmd;
156
157struct mii_if_info {
158 int phy_id;
159 int advertising;
160 int phy_id_mask;
161 int reg_num_mask;
162
163 unsigned int full_duplex : 1;
164 unsigned int force_media : 1;
165 unsigned int supports_gmii : 1;
166
167 struct net_device *dev;
168 int (*mdio_read) (struct net_device *dev, int phy_id, int location);
169 void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val);
170};
171
172extern int mii_link_ok (struct mii_if_info *mii);
173extern int mii_nway_restart (struct mii_if_info *mii);
174extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
175extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd);
176extern int mii_check_gmii_support(struct mii_if_info *mii);
177extern void mii_check_link (struct mii_if_info *mii);
178extern unsigned int mii_check_media (struct mii_if_info *mii,
179 unsigned int ok_to_print,
180 unsigned int init_media);
181extern int generic_mii_ioctl(struct mii_if_info *mii_if,
182 struct mii_ioctl_data *mii_data, int cmd,
183 unsigned int *duplex_changed);
184
185
186static inline struct mii_ioctl_data *if_mii(struct ifreq *rq)
187{
188 return (struct mii_ioctl_data *) &rq->ifr_ifru;
189}
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205static inline unsigned int mii_nway_result (unsigned int negotiated)
206{
207 unsigned int ret;
208
209 if (negotiated & LPA_100FULL)
210 ret = LPA_100FULL;
211 else if (negotiated & LPA_100BASE4)
212 ret = LPA_100BASE4;
213 else if (negotiated & LPA_100HALF)
214 ret = LPA_100HALF;
215 else if (negotiated & LPA_10FULL)
216 ret = LPA_10FULL;
217 else
218 ret = LPA_10HALF;
219
220 return ret;
221}
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232static inline unsigned int mii_duplex (unsigned int duplex_lock,
233 unsigned int negotiated)
234{
235 if (duplex_lock)
236 return 1;
237 if (mii_nway_result(negotiated) & LPA_DUPLEX)
238 return 1;
239 return 0;
240}
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245
246static inline u16 mii_advertise_flowctrl(int cap)
247{
248 u16 adv = 0;
249
250 if (cap & FLOW_CTRL_RX)
251 adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
252 if (cap & FLOW_CTRL_TX)
253 adv ^= ADVERTISE_PAUSE_ASYM;
254
255 return adv;
256}
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265static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv)
266{
267 u8 cap = 0;
268
269 if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) {
270 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
271 } else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) {
272 if (lcladv & ADVERTISE_PAUSE_CAP)
273 cap = FLOW_CTRL_RX;
274 else if (rmtadv & ADVERTISE_PAUSE_CAP)
275 cap = FLOW_CTRL_TX;
276 }
277
278 return cap;
279}
280
281#endif
282#endif
283