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-rw-r--r--net/ipv4/ipip.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index e15b45297c09..cc49cc1ff3b9 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -479,6 +479,10 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
if (skb->protocol != htons(ETH_P_IP))
goto tx_error;
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb_checksum_help(skb))
+ goto tx_error;
+
if (tos & 1)
tos = old_iph->tos;
@@ -773,6 +777,11 @@ static void ipip_dev_free(struct net_device *dev)
free_netdev(dev);
}
+#define IPIP_FEATURES (NETIF_F_SG | \
+ NETIF_F_FRAGLIST | \
+ NETIF_F_HIGHDMA | \
+ NETIF_F_HW_CSUM)
+
static void ipip_tunnel_setup(struct net_device *dev)
{
dev->netdev_ops = &ipip_netdev_ops;
@@ -787,6 +796,9 @@ static void ipip_tunnel_setup(struct net_device *dev)
dev->features |= NETIF_F_NETNS_LOCAL;
dev->features |= NETIF_F_LLTX;
dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+
+ dev->features |= IPIP_FEATURES;
+ dev->hw_features |= IPIP_FEATURES;
}
static int ipip_tunnel_init(struct net_device *dev)