From: wenxu <we...@ucloud.cn>
The TUNNEL_DONT_FRAGMENT flags specific the tunnel outer ip can do
fragment or not in the md mode. Without the TUNNEL_DONT_FRAGMENT
should always do fragment. So it should not care the frag_off in
inner ip.
Fixes: cfc7381b3002 ("ip_tunnel: add collect_md mode to IPIP tunnel")
Signed-off-by: wenxu <we...@ucloud.cn>
---
net/ipv4/ip_tunnel.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 8b04d1d..ee65c92 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -608,9 +608,6 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct
net_device *dev,
ttl = ip4_dst_hoplimit(&rt->dst);
}
- if (!df && skb->protocol == htons(ETH_P_IP))
- df = inner_iph->frag_off & htons(IP_DF);
-
headroom += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len;
if (headroom > dev->needed_headroom)
dev->needed_headroom = headroom;
--
1.8.3.1
