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bpf: introduce BPF_F_XDP_HAS_FRAGS flag in prog_flags loading the ebpf program

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Introduce BPF_F_XDP_HAS_FRAGS and the related field in bpf_prog_aux
in order to notify the driver the loaded program support xdp frags.

Acked-by: Toke Hoiland-Jorgensen <toke@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/db2e8075b7032a356003f407d1b0deb99adaa0ed.1642758637.git.lorenzo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2022-01-21 11:09:52 +01:00 • committed by Alexei Starovoitov
parent c41ced023a
commit c2f2cdbeff
4 changed files with 14 additions and 1 deletions
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1
include/linux/bpf.h
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@ -933,6 +933,7 @@ struct bpf_prog_aux {
bool func_proto_unreliable;
bool sleepable;
bool tail_call_reachable;
bool xdp_has_frags;
struct hlist_node tramp_hlist;
/* BTF_KIND_FUNC_PROTO for valid attach_btf_id */
const struct btf_type *attach_func_proto;