Re: [PATCH v4 0/2] net/ice: get link status updates via adminq message

[Bruce Richardson <bruce.richardson@intel.com>]

On Thu, Mar 05, 2026 at 01:53:25PM +0100, David Marchand wrote:
> On Tue, 3 Mar 2026 at 17:22, Bruce Richardson
> <bruce.richardson@intel.com> wrote:
> >
> > As explained in patch 2, change the link status tracking to be via receipt
> > of an adminq message rather than directly querying the link status on
> > interrupt. As part of this change, we can reduce the cost of using the
> > adminq by removing the need to allocate and free memory but instead just
> > use the stack to store any received adminq messages.
> >
> > V4: resubmit to recheck in CI, now that next-net-intel tree is clean
> >
> > V3: added patch 1 to reduce cost of querying the adminq.
> >
> > v2: rebase on next-net-intel
> >
> > Bruce Richardson (2):
> >   net/ice: remove malloc call for admin queue msg
> >   net/ice: get link status updates via adminq message
> >
> >  drivers/net/intel/ice/ice_ethdev.c | 62 ++++++++++--------------------
> >  1 file changed, 21 insertions(+), 41 deletions(-)
> 
> Did a quick test with 2 E810 25G ports connected to another E810, with
> and without LSC interrupt in testpmd, and in OVS.
> Those ports link status gets updated quickly in all scenarios.
> I did not test on a long duration, nor with other types of interrupts
> in the mix.
> 
> For the series,
> Tested-by: David Marchand <david.marchand@redhat.com>
> 
Series applied to dpdk-next-net-intel.

/Bruce