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| author |   John Fastabend <john.fastabend@gmail.com> | 2017-08-04 08:24:05 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-04 11:29:03 -0700 |
| commit | 56ce097c1caede1f9c191a7c9699b950e7c36ad9 (patch) | |
| tree | 3012dd05d16bf33de3bb46f450dc46496c93c60c | |
| parent | Merge branch 'net-sched-summer-cleanup-part-1-mainly-in-exts-area' (diff) | |
| download | linux-dev-56ce097c1caede1f9c191a7c9699b950e7c36ad9.tar.xz linux-dev-56ce097c1caede1f9c191a7c9699b950e7c36ad9.zip | |
net: comment fixes against BPF devmap helper calls
Update BPF comments to accurately reflect XDP usage.
Fixes: 97f91a7cf04ff ("bpf: add bpf_redirect_map helper routine")
Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/uapi/linux/bpf.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 1106a8c4cd36..1d06be1569b1 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -345,14 +345,20 @@ union bpf_attr { * int bpf_redirect(ifindex, flags) * redirect to another netdev * @ifindex: ifindex of the net device - * @flags: bit 0 - if set, redirect to ingress instead of egress - * other bits - reserved - * Return: TC_ACT_REDIRECT - * int bpf_redirect_map(key, map, flags) + * @flags: + * cls_bpf: + * bit 0 - if set, redirect to ingress instead of egress + * other bits - reserved + * xdp_bpf: + * all bits - reserved + * Return: cls_bpf: TC_ACT_REDIRECT on success or TC_ACT_SHOT on error + * xdp_bfp: XDP_REDIRECT on success or XDP_ABORT on error + * int bpf_redirect_map(map, key, flags) * redirect to endpoint in map + * @map: pointer to dev map * @key: index in map to lookup - * @map: fd of map to do lookup in * @flags: -- + * Return: XDP_REDIRECT on success or XDP_ABORT on error * * u32 bpf_get_route_realm(skb) * retrieve a dst's tclassid |