[Intel-wired-lan] [PATCH net v2 0/3] xsk: pre-existing AF_XDP TX metadata fixes from Sashiko

A few fixes to address pre-existing issues from Sashiko review.

Notes on the feedback from net-next v1 posting [0]:
- It correctly complains about ABI breakage for 32 bit systems, added
  an explanation why I think we unlikely to have any 32 bit users with
  launch time
- mlx5 batching (pre existing) - I think my point in the comment still
  stays (that we do not make it worse)
- stmmac recycled descriptors (pre existing) - seems valid but I don't feel
  confident sending a vibe-coded fix
- stmmac queueMaxSDU vs taprio offload - don't think this is real but
  we can fix separately later if it is (the existing issue with breaking
  xsk seems more real)

v2:
- target net, address clashiko feedback (mostly here and other commit
  descriptions)

0: from https://netdev-ai.bots.linux.dev/sashiko/#/message/20260810184753.135756-1-sdf%40fomichev.me

Stanislav Fomichev (3):
  xsk: align TX metadata layout across ABIs
  xsk: honor XDP_TX_METADATA in zero-copy path
  net: stmmac: skip queueMaxSDU check for AF_XDP

 drivers/net/ethernet/intel/igc/igc_main.c     |  3 ++-
 .../ethernet/mellanox/mlx5/core/en/xsk/tx.c   |  2 +-
 .../net/ethernet/stmicro/stmmac/stmmac_main.c | 10 ++-------
 include/net/libeth/xsk.h                      |  2 +-
 include/net/xdp_sock_drv.h                    | 22 +++++++++++--------
 include/net/xsk_buff_pool.h                   |  3 ++-
 include/uapi/linux/if_xdp.h                   |  1 +
 net/xdp/xsk_buff_pool.c                       |  7 ++++--
 tools/include/uapi/linux/if_xdp.h             |  1 +
 9 files changed, 28 insertions(+), 23 deletions(-)

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