From b8da518c6e87504a6790bfb1539134c41b61a45a Mon Sep 17 00:00:00 2001 From: William Tu Date: Fri, 1 Dec 2017 15:26:09 -0800 Subject: bpf: allow disabling tunnel csum for ipv6 Before the patch, BPF_F_ZERO_CSUM_TX can be used only for ipv4 tunnel. With introduction of ip6gretap collect_md mode, the flag should be also supported for ipv6. Signed-off-by: William Tu Cc: Daniel Borkmann Acked-by: Daniel Borkmann Signed-off-by: David S. Miller --- net/core/filter.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'net/core') diff --git a/net/core/filter.c b/net/core/filter.c index 6a85e67..8ec5a50 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -3026,10 +3026,11 @@ BPF_CALL_4(bpf_skb_set_tunnel_key, struct sk_buff *, skb, IPV6_FLOWLABEL_MASK; } else { info->key.u.ipv4.dst = cpu_to_be32(from->remote_ipv4); - if (flags & BPF_F_ZERO_CSUM_TX) - info->key.tun_flags &= ~TUNNEL_CSUM; } + if (flags & BPF_F_ZERO_CSUM_TX) + info->key.tun_flags &= ~TUNNEL_CSUM; + return 0; } -- cgit v1.1