RE: [Intel-wired-lan] [PATCH iwl-next 4/5] idpf: implement Rx path for AF_XDP

-----Original Message-----
From: Intel-wired-lan <redacted> On Behalf Of
Alexander Lobakin
Sent: Thursday, September 11, 2025 9:53 PM
To: intel-wired-lan@lists.osuosl.org
Cc: Lobakin, Aleksander <aleksander.lobakin@intel.com>; Kubiak, Michal
[off-list ref]; Fijalkowski, Maciej
[off-list ref]; Nguyen, Anthony L
[off-list ref]; Kitszel, Przemyslaw
[off-list ref]; Andrew Lunn [off-list ref];
David S. Miller [off-list ref]; Eric Dumazet
[off-list ref]; Jakub Kicinski [off-list ref]; Paolo Abeni
[off-list ref]; Alexei Starovoitov [off-list ref]; Daniel
Borkmann [off-list ref]; Simon Horman [off-list ref];
NXNE CNSE OSDT ITP Upstreaming
[off-list ref]; bpf@vger.kernel.org;
netdev@vger.kernel.org; linux-kernel@vger.kernel.org
Subject: [Intel-wired-lan] [PATCH iwl-next 4/5] idpf: implement Rx path for
AF_XDP

Implement Rx packet processing specific to AF_XDP ZC using the libeth XSk
infra. Initialize queue registers before allocating buffers to avoid redundant ifs
when updating the queue tail.

Co-developed-by: Michal Kubiak <redacted>
Signed-off-by: Michal Kubiak <redacted>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
---
 drivers/net/ethernet/intel/idpf/idpf_txrx.h |  38 ++-
 drivers/net/ethernet/intel/idpf/xsk.h       |   6 +
 drivers/net/ethernet/intel/idpf/idpf_lib.c  |   8 +-
 drivers/net/ethernet/intel/idpf/idpf_txrx.c |  35 ++-
 drivers/net/ethernet/intel/idpf/xdp.c       |  24 +-
 drivers/net/ethernet/intel/idpf/xsk.c       | 315 ++++++++++++++++++++
 6 files changed, 405 insertions(+), 21 deletions(-)

Tested-by: Ramu R <redacted>