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path: root/drivers/infiniband/hw/ipath/ipath_verbs.c
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Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_verbs.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index bb70845279b8..980b64add321 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1051,7 +1051,12 @@ static int ipath_query_port(struct ib_device *ibdev,
props->max_vl_num = 1; /* VLCap = VL0 */
props->init_type_reply = 0;
- props->max_mtu = IB_MTU_4096;
+ /*
+ * Note: the chips support a maximum MTU of 4096, but the driver
+ * hasn't implemented this feature yet, so set the maximum value
+ * to 2048.
+ */
+ props->max_mtu = IB_MTU_2048;
switch (dev->dd->ipath_ibmtu) {
case 4096:
mtu = IB_MTU_4096;