bpf, xdp: migrate prefilter program to generic __ctx_buff #10404
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Move errno codes into its own include/bpf/errno.h header since it's basic API for all type of programs we use. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Move few more generic bits out of lib/common.h. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Get rid of xdp.h header since lib/ should not contain anything context type specific. Move parts we can reuse into lib/common.h. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Remove boilerplate and switch data path to spdx license identifiers similarly as has been done in the Linux kernel long ago. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
As the subject says, convert prefilter over to generic __ctx_buff. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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vadorovsky
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Mar 2, 2020
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Few more intermediate cleanups to get out of the pipe in meantime. Most notably to move the prefilter code over to generic __ctx_buff we can later build on top of.
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