1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include "nge.h"
28
29 #undef NGE_DBG
30 #define NGE_DBG NGE_DBG_NDD
31
32 static char transfer_speed_propname[] = "transfer-speed";
33 static char speed_propname[] = "speed";
34 static char duplex_propname[] = "full-duplex";
35
36 /*
37 * synchronize the adv* and en* parameters.
38 *
39 * See comments in <sys/dld.h> for details of the *_en_*
40 * parameters. The usage of ndd for setting adv parameters will
41 * synchronize all the en parameters with the nge parameters,
42 * implicitly disabling any settings made via dladm.
43 */
44 static void
nge_param_sync(nge_t * ngep)45 nge_param_sync(nge_t *ngep)
46 {
47 ngep->param_en_pause = ngep->param_adv_pause;
48 ngep->param_en_asym_pause = ngep->param_adv_asym_pause;
49 ngep->param_en_1000fdx = ngep->param_adv_1000fdx;
50 ngep->param_en_1000hdx = ngep->param_adv_1000hdx;
51 ngep->param_en_100fdx = ngep->param_adv_100fdx;
52 ngep->param_en_100hdx = ngep->param_adv_100hdx;
53 ngep->param_en_10fdx = ngep->param_adv_10fdx;
54 ngep->param_en_10hdx = ngep->param_adv_10hdx;
55 }
56
57
58 boolean_t
nge_nd_get_prop_val(dev_info_t * dip,char * nm,long min,long max,int * pval)59 nge_nd_get_prop_val(dev_info_t *dip, char *nm, long min, long max, int *pval)
60 {
61 /*
62 * If the parameter is writable, and there's a property
63 * with the same name, and its value is in range, we use
64 * it to initialise the parameter. If it exists but is
65 * out of range, it's ignored.
66 */
67 if (NGE_PROP_EXISTS(dip, nm)) {
68 *pval = NGE_PROP_GET_INT(dip, nm);
69 if (*pval >= min && *pval <= max)
70 return (B_TRUE);
71 }
72 return (B_FALSE);
73 }
74
75 #define NGE_INIT_PROP(propname, fieldname, initval) { \
76 if (nge_nd_get_prop_val(dip, propname, 0, 1, &propval)) \
77 ngep->fieldname = propval; \
78 else \
79 ngep->fieldname = initval; \
80 }
81
82 static void
nge_nd_param_init(nge_t * ngep)83 nge_nd_param_init(nge_t *ngep)
84 {
85 dev_info_t *dip;
86 int propval;
87
88 dip = ngep->devinfo;
89
90 /*
91 * initialize values to those from driver.conf (if available)
92 * or the default value otherwise.
93 */
94 NGE_INIT_PROP("adv_autoneg_cap", param_adv_autoneg, 1);
95 NGE_INIT_PROP("adv_1000fdx_cap", param_adv_1000fdx, 1);
96 NGE_INIT_PROP("adv_1000hdx_cap", param_adv_1000hdx, 0);
97 NGE_INIT_PROP("adv_pause_cap", param_adv_pause, 1);
98 NGE_INIT_PROP("adv_asym_pause_cap", param_adv_asym_pause, 1);
99 NGE_INIT_PROP("adv_100fdx_cap", param_adv_100fdx, 1);
100 NGE_INIT_PROP("adv_100hdx_cap", param_adv_100hdx, 1);
101 NGE_INIT_PROP("adv_10fdx_cap", param_adv_10fdx, 1);
102 NGE_INIT_PROP("adv_10hdx_cap", param_adv_10hdx, 1);
103 }
104
105 int
nge_nd_init(nge_t * ngep)106 nge_nd_init(nge_t *ngep)
107 {
108 dev_info_t *dip;
109 int duplex;
110 int speed;
111
112 NGE_TRACE(("nge_nd_init($%p)", (void *)ngep));
113
114 /*
115 * initialize from .conf file, if appropriate.
116 */
117 nge_nd_param_init(ngep);
118
119 /*
120 * The link speed may be forced to 10, 100 or 1000 Mbps using
121 * the property "transfer-speed". This may be done in OBP by
122 * using the command "apply transfer-speed=<speed> <device>".
123 * The speed may be 10, 100 or 1000 - any other value will be
124 * ignored. Note that this does *enables* autonegotiation, but
125 * restricts it to the speed specified by the property.
126 */
127 dip = ngep->devinfo;
128 if (NGE_PROP_EXISTS(dip, transfer_speed_propname)) {
129
130 speed = NGE_PROP_GET_INT(dip, transfer_speed_propname);
131 nge_log(ngep, "%s property is %d",
132 transfer_speed_propname, speed);
133
134 switch (speed) {
135 case 1000:
136 ngep->param_adv_autoneg = 1;
137 ngep->param_adv_1000fdx = 1;
138 ngep->param_adv_1000hdx = 0;
139 ngep->param_adv_100fdx = 0;
140 ngep->param_adv_100hdx = 0;
141 ngep->param_adv_10fdx = 0;
142 ngep->param_adv_10hdx = 0;
143 break;
144
145 case 100:
146 ngep->param_adv_autoneg = 1;
147 ngep->param_adv_1000fdx = 0;
148 ngep->param_adv_1000hdx = 0;
149 ngep->param_adv_100fdx = 1;
150 ngep->param_adv_100hdx = 1;
151 ngep->param_adv_10fdx = 0;
152 ngep->param_adv_10hdx = 0;
153 break;
154
155 case 10:
156 ngep->param_adv_autoneg = 1;
157 ngep->param_adv_1000fdx = 0;
158 ngep->param_adv_1000hdx = 0;
159 ngep->param_adv_100fdx = 0;
160 ngep->param_adv_100hdx = 0;
161 ngep->param_adv_10fdx = 1;
162 ngep->param_adv_10hdx = 1;
163 break;
164
165 default:
166 break;
167 }
168 }
169
170 /*
171 * Also check the "speed" and "full-duplex" properties. Setting
172 * these properties will override all other settings and *disable*
173 * autonegotiation, so both should be specified if either one is.
174 * Otherwise, the unspecified parameter will be set to a default
175 * value (1000Mb/s, full-duplex).
176 */
177 if (NGE_PROP_EXISTS(dip, speed_propname) ||
178 NGE_PROP_EXISTS(dip, duplex_propname)) {
179
180 ngep->param_adv_autoneg = 0;
181 ngep->param_adv_1000fdx = 1;
182 ngep->param_adv_1000hdx = 0;
183 ngep->param_adv_100fdx = 1;
184 ngep->param_adv_100hdx = 1;
185 ngep->param_adv_10fdx = 1;
186 ngep->param_adv_10hdx = 1;
187
188 speed = NGE_PROP_GET_INT(dip, speed_propname);
189 duplex = NGE_PROP_GET_INT(dip, duplex_propname);
190 nge_log(ngep, "%s property is %d",
191 speed_propname, speed);
192 nge_log(ngep, "%s property is %d",
193 duplex_propname, duplex);
194
195 switch (speed) {
196 case 1000:
197 default:
198 ngep->param_adv_100fdx = 0;
199 ngep->param_adv_100hdx = 0;
200 ngep->param_adv_10fdx = 0;
201 ngep->param_adv_10hdx = 0;
202 break;
203
204 case 100:
205 ngep->param_adv_1000fdx = 0;
206 ngep->param_adv_1000hdx = 0;
207 ngep->param_adv_10fdx = 0;
208 ngep->param_adv_10hdx = 0;
209 break;
210
211 case 10:
212 ngep->param_adv_1000fdx = 0;
213 ngep->param_adv_1000hdx = 0;
214 ngep->param_adv_100fdx = 0;
215 ngep->param_adv_100hdx = 0;
216 break;
217 }
218
219 switch (duplex) {
220 default:
221 case 1:
222 ngep->param_adv_1000hdx = 0;
223 ngep->param_adv_100hdx = 0;
224 ngep->param_adv_10hdx = 0;
225 break;
226
227 case 0:
228 ngep->param_adv_1000fdx = 0;
229 ngep->param_adv_100fdx = 0;
230 ngep->param_adv_10fdx = 0;
231 break;
232 }
233 }
234
235
236 nge_param_sync(ngep);
237
238 return (0);
239 }
240