diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_qp.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 087ed3166479..5c8094a03643 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -516,13 +516,13 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, goto inval; /* - * Note: the chips support a maximum MTU of 4096, but the driver - * hasn't implemented this feature yet, so don't allow Path MTU - * values greater than 2048. + * don't allow invalid Path MTU values or greater than 2048 + * unless we are configured for a 4KB MTU */ - if (attr_mask & IB_QP_PATH_MTU) - if (attr->path_mtu > IB_MTU_2048) - goto inval; + if ((attr_mask & IB_QP_PATH_MTU) && + (ib_mtu_enum_to_int(attr->path_mtu) == -1 || + (attr->path_mtu > IB_MTU_2048 && !ipath_mtu4096))) + goto inval; if (attr_mask & IB_QP_PATH_MIG_STATE) if (attr->path_mig_state != IB_MIG_MIGRATED && |