On 3/7/2022 4:06 PM, Stephen Hemminger wrote:
On Mon,  7 Mar 2022 22:12:20 +0800
Junjie Lin <277600...@qq.com> wrote:

From: Junjie Lin <linjunj...@huawei.com>

The Tx mbuf needs to be ignored if the pkt_len member is zero.

Fixes: 54faba2295bd ("net/hinic:adds Tx queue xstats members")
Cc: sta...@dpdk.org

Signed-off-by: Junjie Lin <linjunj...@huawei.com>

Not all drivers do this. It looks like you have a buggy application
if it tries to send 0 length packets.

Agree, not sure if invalid packet check should be done in driver level.

Junjie, in which use case you are observing this problem?
Or in the past, I remember some PMD FW was crashing for similar
case, and check was added to protect device, do you have similar
problem?

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