bpf, net: switch to dynamic registration

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Replace the static list of struct_ops types with per-btf struct_ops_tab to
enable dynamic registration.

Both bpf_dummy_ops and bpf_tcp_ca now utilize the registration function
instead of being listed in bpf_struct_ops_types.h.

Cc: netdev@vger.kernel.org
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-12-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

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This commit is contained in:

Kui-Feng Lee 2024-01-19 14:50:02 -08:00 • committed by Martin KaFai Lau

parent 612d087d4b

commit f6be98d199

7 changed files with 142 additions and 118 deletions

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27

include/linux/bpf.h

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12

include/linux/btf.h

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100

kernel/bpf/bpf_struct_ops.c

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12

kernel/bpf/bpf_struct_ops_types.h

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86

kernel/bpf/btf.c

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11

net/bpf/bpf_dummy_struct_ops.c

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12

net/ipv4/bpf_tcp_ca.c

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