diff mbox series

[V4,for-next,13/14] RDMA/hns: Disable alw_lcl_lpbk of SSU

Message ID 1565276034-97329-14-git-send-email-oulijun@huawei.com (mailing list archive)
State Accepted
Headers show
Series Updates for 5.3-rc2 | expand

Commit Message

Lijun Ou Aug. 8, 2019, 2:53 p.m. UTC 
From: Weihang Li <liweihang@hisilicon.com>

If we enabled alw_lcl_lpbk in promiscuous mode, packet whose source
and destination mac address is equal will be handled in both inner
loopback and outer loopback. This will halve performance of roce in
promiscuous mode.

Signed-off-by: Weihang Li <liweihang@hisilicon.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index b949329..567be0a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1308,7 +1308,7 @@  static int hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev,
 		cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN);
 	desc.flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR);
 	roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LPBK_S, 1);
-	roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 1);
+	roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 0);
 	roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_DST_OVRD_S, 1);
 
 	return hns_roce_cmq_send(hr_dev, &desc, 1);