[PATCH] net/intel: fix wrap-around check in simple Tx scalar path

[Bruce Richardson]

On Thu, Feb 26, 2026 at 05:08:01PM +0100, Burakov, Anatoly wrote:
> On 2/26/2026 4:36 PM, Bruce Richardson wrote:
> > There was an error condition when the burst of packets being transmitted
> > ended exactly on the last descriptor of the ring. In that instance
> > alone, we ended up writing an invalid tx_tail value to the hardware, of
> > ring_size rather than of zero. Add an explicit check for this case to
> > the simple Tx path code.
> > 
> > Fixes: 9bacf6a81b92 ("net/intel: align scalar simple Tx path with vector logic")
> > 
> > Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> > ---
> 
> Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>
> 
Applied to next-net-intel.

/Bruce