[PATCH 1/2] net/i40e: preserve RSS RETA across port stop and start

[Bruce Richardson]

On Fri, Aug 14, 2026 at 12:25:49PM +0100, Bruce Richardson wrote:
> On Wed, Aug 12, 2026 at 02:38:43PM +0000, Ciara Loftus wrote:
> > Currently, updating the RSS redirection table and then stopping and
> > starting a port loses the update. The port comes back with the default
> > table. The ethdev API requires RSS settings to be retained across
> > stop/start.
> > 
> > The `rss_reta_updated` flag protects a user-provided RETA from being
> > overwritten by the default table when the device is started. However
> > `i40e_dev_stop()` clears this flag, so a subsequent `i40e_dev_start()`
> > treats the RETA as untouched and resets it to the default.
> > 
> > Fix it by clearing `rss_reta_updated` in `i40e_dev_configure()` instead of
> > `i40e_dev_stop()`. A reconfiguration still reverts to the default table,
> > while a plain stop/start now preserves the RETA.
> > 
> > Bugzilla ID: 1127
> > 
> > Fixes: 36c5dc8e5d3c ("net/i40e: fix overwriting RSS RETA")
> > Cc: stable at dpdk.org
> > 
> > Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
> > ---
> >  drivers/net/intel/i40e/i40e_ethdev.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Patches applied to dpdk-next-net-intel.
Thanks,
/Bruce