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path: root/drivers/infiniband/core/sysfs.c
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Diffstat (limited to 'drivers/infiniband/core/sysfs.c')
-rw-r--r--drivers/infiniband/core/sysfs.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index c61bca30fd2d..83b720ef6c34 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -179,33 +179,36 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
179{ 179{
180 struct ib_port_attr attr; 180 struct ib_port_attr attr;
181 char *speed = ""; 181 char *speed = "";
182 int rate; 182 int rate = -1; /* in deci-Gb/sec */
183 ssize_t ret; 183 ssize_t ret;
184 184
185 ret = ib_query_port(p->ibdev, p->port_num, &attr); 185 ret = ib_query_port(p->ibdev, p->port_num, &attr);
186 if (ret) 186 if (ret)
187 return ret; 187 return ret;
188 188
189 rate = (25 * attr.active_speed) / 10;
190
191 switch (attr.active_speed) { 189 switch (attr.active_speed) {
192 case 2: 190 case IB_SPEED_SDR:
191 rate = 25;
192 break;
193 case IB_SPEED_DDR:
193 speed = " DDR"; 194 speed = " DDR";
195 rate = 50;
194 break; 196 break;
195 case 4: 197 case IB_SPEED_QDR:
196 speed = " QDR"; 198 speed = " QDR";
199 rate = 100;
197 break; 200 break;
198 case 8: 201 case IB_SPEED_FDR10:
199 speed = " FDR10"; 202 speed = " FDR10";
200 rate = 10; 203 rate = 100;
201 break; 204 break;
202 case 16: 205 case IB_SPEED_FDR:
203 speed = " FDR"; 206 speed = " FDR";
204 rate = 14; 207 rate = 140;
205 break; 208 break;
206 case 32: 209 case IB_SPEED_EDR:
207 speed = " EDR"; 210 speed = " EDR";
208 rate = 25; 211 rate = 250;
209 break; 212 break;
210 } 213 }
211 214
@@ -214,7 +217,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
214 return -EINVAL; 217 return -EINVAL;
215 218
216 return sprintf(buf, "%d%s Gb/sec (%dX%s)\n", 219 return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
217 rate, (attr.active_speed == 1) ? ".5" : "", 220 rate / 10, rate % 10 ? ".5" : "",
218 ib_width_enum_to_int(attr.active_width), speed); 221 ib_width_enum_to_int(attr.active_width), speed);
219} 222}
220 223