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Diffstat (limited to 'net/ipv4/ip_tunnel_core.c')
-rw-r--r--net/ipv4/ip_tunnel_core.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index a3676155be78..2e61ac137128 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -49,7 +49,8 @@ EXPORT_SYMBOL(ip6tun_encaps);
void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 proto,
- __u8 tos, __u8 ttl, __be16 df, bool xnet)
+ __u8 tos, __u8 ttl, __be16 df, bool xnet,
+ u16 ipcb_flags)
{
int pkt_len = skb->len - skb_inner_network_offset(skb);
struct net *net = dev_net(rt->dst.dev);
@@ -62,6 +63,7 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
skb_clear_hash_if_not_l4(skb);
skb_dst_set(skb, &rt->dst);
memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+ IPCB(skb)->flags = ipcb_flags;
/* Push down and install the IP header. */
skb_push(skb, sizeof(struct iphdr));
@@ -204,6 +206,9 @@ static int iptunnel_pmtud_build_icmp(struct sk_buff *skb, int mtu)
if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct iphdr)))
return -EINVAL;
+ if (skb_is_gso(skb))
+ skb_gso_reset(skb);
+
skb_copy_bits(skb, skb_mac_offset(skb), &eh, ETH_HLEN);
pskb_pull(skb, ETH_HLEN);
skb_reset_network_header(skb);
@@ -298,6 +303,9 @@ static int iptunnel_pmtud_build_icmpv6(struct sk_buff *skb, int mtu)
if (!pskb_may_pull(skb, ETH_HLEN + sizeof(struct ipv6hdr)))
return -EINVAL;
+ if (skb_is_gso(skb))
+ skb_gso_reset(skb);
+
skb_copy_bits(skb, skb_mac_offset(skb), &eh, ETH_HLEN);
pskb_pull(skb, ETH_HLEN);
skb_reset_network_header(skb);
@@ -416,7 +424,7 @@ int skb_tunnel_check_pmtu(struct sk_buff *skb, struct dst_entry *encap_dst,
skb_dst_update_pmtu_no_confirm(skb, mtu);
- if (!reply || skb->pkt_type == PACKET_HOST)
+ if (!reply)
return 0;
if (skb->protocol == htons(ETH_P_IP))
@@ -451,7 +459,7 @@ static const struct nla_policy
geneve_opt_policy[LWTUNNEL_IP_OPT_GENEVE_MAX + 1] = {
[LWTUNNEL_IP_OPT_GENEVE_CLASS] = { .type = NLA_U16 },
[LWTUNNEL_IP_OPT_GENEVE_TYPE] = { .type = NLA_U8 },
- [LWTUNNEL_IP_OPT_GENEVE_DATA] = { .type = NLA_BINARY, .len = 128 },
+ [LWTUNNEL_IP_OPT_GENEVE_DATA] = { .type = NLA_BINARY, .len = 127 },
};
static const struct nla_policy