From: John Fastabend Date: Fri, 4 Aug 2017 15:24:05 +0000 (-0700) Subject: net: comment fixes against BPF devmap helper calls X-Git-Tag: v4.14-rc1~130^2~372 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=56ce097c1caede1f9c191a7c9699b950e7c36ad9;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: John Fastabend Acked-by: Daniel Borkmann Signed-off-by: David S. Miller --- diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 1106a8c..1d06be1 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