[PATCH bpf-next 2/9] bpf: add csum_diff helper to xdp as well

[Daniel Borkmann]

Useful for porting cls_bpf programs w/o increasing program
complexity limits much at the same time, so add the helper
to XDP as well.

Signed-off-by: Daniel Borkmann <dan...@iogearbox.net>
Acked-by: Alexei Starovoitov <a...@kernel.org>
---
 net/core/filter.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/filter.c b/net/core/filter.c
index 30fafaa..e517885 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3456,6 +3456,8 @@ xdp_func_proto(enum bpf_func_id func_id)
                return &bpf_xdp_event_output_proto;
        case BPF_FUNC_get_smp_processor_id:
                return &bpf_get_smp_processor_id_proto;
+       case BPF_FUNC_csum_diff:
+               return &bpf_csum_diff_proto;
        case BPF_FUNC_xdp_adjust_head:
                return &bpf_xdp_adjust_head_proto;
        case BPF_FUNC_xdp_adjust_meta:
-- 
2.9.5