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Define a new kfunc set (xdp_metadata_kfunc_ids) which implements all possible XDP metatada kfuncs. Not all devices have to implement them. If kfunc is not supported by the target device, the default implementation is called instead. The verifier, at load time, replaces a call to the generic kfunc with a call to the per-device one. Per-device kfunc pointers are stored in separate struct xdp_metadata_ops. Cc: John Fastabend <john.fastabend@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Martin KaFai Lau <martin.lau@linux.dev> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Willem de Bruijn <willemb@google.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Cc: Anatoly Burakov <anatoly.burakov@intel.com> Cc: Alexander Lobakin <alexandr.lobakin@intel.com> Cc: Magnus Karlsson <magnus.karlsson@gmail.com> Cc: Maryam Tahhan <mtahhan@redhat.com> Cc: xdp-hints@xdp-project.net Cc: netdev@vger.kernel.org Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20230119221536.3349901-8-sdf@google.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> |
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| bpf_dummy_struct_ops.c | ||
| Makefile | ||
| test_run.c | ||