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IB/hns: Fix the bug of setting port mtu

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In hns_roce driver, we need not call iboe_get_mtu to reduce
IB headers from effective IBoE MTU because hr_dev->caps.max_mtu
has already been reduced.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Wei Hu (Xavier) 2016-11-29 23:10:27 +00:00 committed by Doug Ledford
parent bfcc681bd0
commit 9daed0affa
1 changed files with 2 additions and 14 deletions
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16
drivers/infiniband/hw/hns/hns_roce_main.c
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@ -72,18 +72,6 @@ static void hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
hr_dev->hw->set_mac(hr_dev, phy_port, addr);
}
static void hns_roce_set_mtu(struct hns_roce_dev *hr_dev, u8 port, int mtu)
{
u8 phy_port = hr_dev->iboe.phy_port[port];
enum ib_mtu tmp;
tmp = iboe_get_mtu(mtu);
if (!tmp)
tmp = IB_MTU_256;
hr_dev->hw->set_mtu(hr_dev, phy_port, tmp);
}
static int hns_roce_add_gid(struct ib_device *device, u8 port_num,
unsigned int index, const union ib_gid *gid,
const struct ib_gid_attr *attr, void **context)
@ -188,8 +176,8 @@ static int hns_roce_setup_mtu_mac(struct hns_roce_dev *hr_dev)
u8 i;
for (i = 0; i < hr_dev->caps.num_ports; i++) {
hns_roce_set_mtu(hr_dev, i,
ib_mtu_enum_to_int(hr_dev->caps.max_mtu));
hr_dev->hw->set_mtu(hr_dev, hr_dev->iboe.phy_port[i],
hr_dev->caps.max_mtu);
hns_roce_set_mac(hr_dev, i, hr_dev->iboe.netdevs[i]->dev_addr);
}