[PATCH for-next 3/6] IB/hns: Fix the bug of setting port mtu
From: Salil Mehta <hidden>
Date: 2016-11-29 23:11:35
Also in:
lkml, netdev
Subsystem:
hisilicon roce driver, infiniband subsystem, the rest · Maintainers:
Chengchang Tang, Junxian Huang, Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: "Wei Hu (Xavier)" <redacted> 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) <redacted> Signed-off-by: Salil Mehta <redacted> --- drivers/infiniband/hw/hns/hns_roce_main.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 0cedec0..5e620f9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c@@ -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); }
--
1.7.9.5
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