[PATCH] drivers/net: fix Tx packet prepare

[Thomas Monjalon]

19/11/2025 14:19, Morten Brørup:
> > From: Thomas Monjalon [mailto:thomas at monjalon.net]
> > Sent: Wednesday, 19 November 2025 14.04
> > 
> > After removing callback checks from ethdev fast path,
> > some drivers crashed because tx_pkt_prepare was set to NULL.
> > 
> > Some drivers (hns3, ngbe, txgbe) need to use
> > rte_eth_tx_pkt_prepare_dummy
> > when configuring queues.
> > Other drivers (ntnic, softnic) does not need to set tx_pkt_prepare
> > as it was set by eth_dev_set_dummy_fops() called by
> > rte_eth_dev_allocate().
> > 
> > Bugzilla ID: 1834
> > Fixes: 066f3d9cc21c ("ethdev: remove callback checks from fast path")
> > 
> > Reported-by: Jiawen Wu <jiawenwu at trustnetic.com>
> > Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> > ---
> 
> Searching for "tx_pkt_prepare = NULL;" finds a few more, but they are all in driver cleanup functions, so...
> Reviewed-by: Morten Brørup <mb at smartsharesystems.com>

Yes I am working on the cleanup side.
But there is no bug in cleanup, it will be a cleanup of cleanup ;)
So cleanup will be handled after 25.11 release.