bpf, doc: Add heading and example for extensions in cbpf
authorRoy, UjjaL <royujjal@gmail.com>
Fri, 16 Jul 2021 20:04:41 +0000 (22:04 +0200)
committerDaniel Borkmann <daniel@iogearbox.net>
Fri, 16 Jul 2021 20:08:17 +0000 (22:08 +0200)
commit8886534747c2e56d9d3b978c99e92dc479cd9426
tree1468de456a9d96735b4a5a2b26cb6c8f9075e53b
parentc7603cfa04e7c3a435b31d065f7cbdc829428f6e
bpf, doc: Add heading and example for extensions in cbpf

Add new heading for extensions to make it more readable. Also, add one
more example of filtering interface index for better understanding.

Signed-off-by: Roy, UjjaL <royujjal@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/CAADnVQJ=DoRDcVkaXmY3EmNdLoO7gq1mkJOn5G=00wKH8qUtZQ@mail.gmail.com
Documentation/networking/filter.rst