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authorDaniel Borkmann <daniel@iogearbox.net>2016-03-04 17:15:05 +0300
committerDavid S. Miller <davem@davemloft.net>2016-03-08 21:58:46 +0300
commit2208087061c4ad88de188911367effc550144836 (patch)
tree63dd3362d2160253ea7ce9f96c5cdb2bdff51551 /include
parent577c50aade0f34926e4a47f61629739e6da91af6 (diff)
downloadlinux-2208087061c4ad88de188911367effc550144836.tar.xz
bpf: allow to propagate df in bpf_skb_set_tunnel_key
Added by 9a628224a61b ("ip_tunnel: Add dont fragment flag."), allow to feed df flag into tunneling facilities (currently supported on TX by vxlan, geneve and gre) as a hint from eBPF's bpf_skb_set_tunnel_key() helper. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 2e3e90309904..21ee6d52016f 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -330,6 +330,7 @@ enum bpf_func_id {
/* BPF_FUNC_skb_set_tunnel_key flags. */
#define BPF_F_ZERO_CSUM_TX (1ULL << 1)
+#define BPF_F_DONT_FRAGMENT (1ULL << 2)
/* user accessible mirror of in-kernel sk_buff.
* new fields can only be added to the end of this structure