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authorDavid S. Miller <davem@davemloft.net>2020-08-02 01:02:12 -0700
committerDavid S. Miller <davem@davemloft.net>2020-08-02 01:02:12 -0700
commitbd0b33b24897ba9ddad221e8ac5b6f0e38a2e004 (patch)
tree3f03062a9e759dba7b09df0feccbb58b8f7ab4cc /drivers/net/bareudp.c
parent7126bd5c8bcbc015cf89864cf71d750e8f33f924 (diff)
parentac3a0c8472969a03c0496ae774b3a29eb26c8d5a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Resolved kernel/bpf/btf.c using instructions from merge commit 69138b34a7248d2396ab85c8652e20c0c39beaba Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bareudp.c')
-rw-r--r--drivers/net/bareudp.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 44eb2b1d0416..3b6664c7e73c 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -406,19 +406,34 @@ free_dst:
return err;
}
+static bool bareudp_proto_valid(struct bareudp_dev *bareudp, __be16 proto)
+{
+ if (bareudp->ethertype == proto)
+ return true;
+
+ if (!bareudp->multi_proto_mode)
+ return false;
+
+ if (bareudp->ethertype == htons(ETH_P_MPLS_UC) &&
+ proto == htons(ETH_P_MPLS_MC))
+ return true;
+
+ if (bareudp->ethertype == htons(ETH_P_IP) &&
+ proto == htons(ETH_P_IPV6))
+ return true;
+
+ return false;
+}
+
static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bareudp_dev *bareudp = netdev_priv(dev);
struct ip_tunnel_info *info = NULL;
int err;
- if (skb->protocol != bareudp->ethertype) {
- if (!bareudp->multi_proto_mode ||
- (skb->protocol != htons(ETH_P_MPLS_MC) &&
- skb->protocol != htons(ETH_P_IPV6))) {
- err = -EINVAL;
- goto tx_error;
- }
+ if (!bareudp_proto_valid(bareudp, skb->protocol)) {
+ err = -EINVAL;
+ goto tx_error;
}
info = skb_tunnel_info(skb);