[PATCH 0/1][SRU][B] LP:# 1859569 net: hns3: fix ETS bandwidth validation bug
Taihsiang Ho (tai271828)
taihsiang.ho at canonical.com
Tue Mar 10 13:09:58 UTC 2020
When a TC's PFC is disabled or enabled, the RX private buffer for
this TC need to be changed too, otherwise this may cause packet
dropped problem.
[Impact]
The corresponding ethernet interface could not be up again.
[Fix]
cherry picked from commit c2d56897819338eb0ba8b93184f7d10329b36653
net: hns3: fix ETS bandwidth validation bug
[Test Case]
1.lldpad -d
2.lldptool -L -i eth0 adminStatus=rxtx
3.lldptool -T -i eth0 -V ETS-CFG
tsa=0:ets,1:ets,2:ets,3:ets,4:ets,5:ets,6:ets,7:ets
up2tc=0:0,1:0,2:1,3:1,4:2,5:2,6:3,7:3 tcbw=25,25,50,0,0,0,0,0
4.down device
5.up
[Regression Risk]
Low, the patch is only specific to the hns3 driver.
Yonglong Liu (1):
net: hns3: fix ETS bandwidth validation bug
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
2.17.1
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