From: Jan Sokolowski Date: Tue, 14 Nov 2017 12:34:45 +0000 (-0800) Subject: IB/hfi1: Use 4096 for default active MTU in query_qp X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=69a3ffaa0a43d1c5a34b6f52aa08a5fc3d8d87d4;p=openwrt%2Fstaging%2Fblogic.git IB/hfi1: Use 4096 for default active MTU in query_qp Currently, if a port is queried that has an invalid Maximum Transmission Unit, driver reports default MTU of 2048. This in incorrect. Use default value of 4096 if invalid. Reviewed-by: Dennis Dalessandro Signed-off-by: Jan Sokolowski Signed-off-by: Dennis Dalessandro Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index a38785e224cc..6d27c8594b34 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1486,7 +1486,7 @@ static int query_port(struct rvt_dev_info *rdi, u8 port_num, props->max_mtu = mtu_to_enum((!valid_ib_mtu(hfi1_max_mtu) ? 4096 : hfi1_max_mtu), IB_MTU_4096); props->active_mtu = !valid_ib_mtu(ppd->ibmtu) ? props->max_mtu : - mtu_to_enum(ppd->ibmtu, IB_MTU_2048); + mtu_to_enum(ppd->ibmtu, IB_MTU_4096); /* * sm_lid of 0xFFFF needs special handling so that it can