From: Lorenzo Bianconi <[email protected]>
Date: Tue, 9 Jun 2020 00:02:39 +0200
> Disable frames injection in mvneta_xdp_xmit routine during hw
> re-configuration in order to avoid hardware hangs
>
> Fixes: b0a43db9087a ("net: mvneta: add XDP_TX support")
> Signed-off-by: Lorenzo Bianconi <[email protected]>
Looking around, I wonder if the fundamental difference from the normal
TX path is that the XDP path doesn't use the TXQ enable/disable
machinery and checks like the normal ndo_start_xmit() paths do.
And that's why only the XDP path has this issue.
I'll apply this, so that the bug is fixed, but note that I consider
this kind of change adding a new flags mask and one state bit to solve
a problem to be ultimately inelegant and ususally pointing out a more
fundamental issue.
Thank you.
