diff options
| author | Weihang Li <liweihang@hisilicon.com> | 2019-08-08 17:53:53 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-08-12 17:45:09 +0300 |
| commit | d967e2625faa43da9e3be3228b8c57d3cf404953 (patch) | |
| tree | de14dabb7bef8dd005977cbad7bcfaab68f49d6e /drivers/infiniband/hw | |
| parent | 249f2f921f24db878b0cc5da80cb15d531587d79 (diff) | |
| download | linux-d967e2625faa43da9e3be3228b8c57d3cf404953.tar.xz | |
RDMA/hns: Disable alw_lcl_lpbk of SSU
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>
Link: https://lore.kernel.org/r/1565276034-97329-14-git-send-email-oulijun@huawei.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index a1f62e072753..a178d63f3ec8 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); |