Commit 69a3ffaa authored Nov 14, 2017 by Jan Sokolowski Committed by Jason Gunthorpe Dec 11, 2017

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 <dennis.dalessandro@intel.com>
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent c5c4e40e

drivers/infiniband/hw/hfi1/verbs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

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