From e19aca1c78f5d3146ff8d499709704c5580648f7 Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <daniel@iogearbox.net>
Date: Fri, 4 Mar 2016 15:15:05 +0100
Subject: 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>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
---
 include/uapi/linux/bpf.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/uapi/linux')

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index fcfeec3f6db2..756d98a30f9b 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -328,6 +328,7 @@ 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)
 
 /* BPF_FUNC_get_stackid flags. */
 #define BPF_F_SKIP_FIELD_MASK		0xffULL
-- 
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