Thread (29 messages) 29 messages, 9 authors, 2019-01-22

Re: [Patch net v2] mlx5: fixup checksum for short ethernet frame padding

From: Saeed Mahameed <hidden>
Date: 2018-12-05 01:06:19

On Tue, 2018-12-04 at 12:50 -0800, Cong Wang wrote:
On Tue, Dec 4, 2018 at 11:21 AM Saeed Mahameed
[off-list ref] wrote:
quoted
we are still working on it.
No, I give up.

Sorry for wasting time. Let's save everyone's time by discarding it!!
:)
Hi Cong, sorry to hear that, i will take your patch evaluate and test
personally, will do the needed changes and post it later.

for now i feel that you don't want csum complete in your servers and we
already have the tool for that, just do:

ethtool --set-priv-flags <ifname> rx_no_csum_complete on
ethtool --show-priv-flags <ifname>
Private flags for p5p1:
rx_cqe_moder       : on
tx_cqe_moder       : off
rx_cqe_compress    : off
rx_striding_rq     : off
rx_no_csum_complete: on

this will disable csum complete and avoid the csum error for padded
short packets.


Thanks,
Saeed.
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