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bpf: offload: report device information about offloaded maps

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Tell user space about device on which the map was created.
Unfortunate reality of user ABI makes sharing this code
with program offload difficult but the information is the
same.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Jakub Kicinski 2018-01-17 19:13:28 -08:00 • committed by Daniel Borkmann
parent 7a0ef69395
commit 52775b33bb
5 changed files with 69 additions and 0 deletions
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3
tools/include/uapi/linux/bpf.h
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@ -938,6 +938,9 @@ struct bpf_map_info {
__u32 max_entries;
__u32 map_flags;
char name[BPF_OBJ_NAME_LEN];
__u32 ifindex;
__u64 netns_dev;
__u64 netns_ino;
} __attribute__((aligned(8)));
/* User bpf_sock_ops struct to access socket values and specify request ops