OSDN Git Service

bpf: Introduce bpfptr_t user/kernel pointer.
authorAlexei Starovoitov <ast@kernel.org>
Fri, 14 May 2021 00:36:04 +0000 (17:36 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Tue, 18 May 2021 22:33:39 +0000 (00:33 +0200)
commitcdf7fb0a9f3d36b279590ac41e61c6b655db0d4a
treedf7f05d1270c6f443a613848786e024a3f37bcef
parent79a7f8bdb159d9914b58740f3d31d602a6e4aca8
bpf: Introduce bpfptr_t user/kernel pointer.

Similar to sockptr_t introduce bpfptr_t with few additions:
make_bpfptr() creates new user/kernel pointer in the same address space as
existing user/kernel pointer.
bpfptr_add() advances the user/kernel pointer.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210514003623.28033-3-alexei.starovoitov@gmail.com
include/linux/bpfptr.h [new file with mode: 0644]