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authorDave Airlie <airlied@redhat.com>2020-08-11 11:58:31 +1000
committerDave Airlie <airlied@redhat.com>2020-08-11 11:58:31 +1000
commitc44264f9f729fd63bd6a81a6ac5cd6cd49af09e5 (patch)
treead77b18ffeafb50b3eb9ba6472670dc1d96f5558 /drivers/net/bareudp.c
parentca457ab5908603b36be903e73977afde1ba03c84 (diff)
parentbcf876870b95592b52519ed4aafcf9d95999bc9c (diff)
downloadlinux-c44264f9f729fd63bd6a81a6ac5cd6cd49af09e5.tar.bz2
Merge tag 'v5.8' into drm-next
I need to backmerge 5.8 as I've got a bunch of fixes sitting on an rc7 base that I want to land. Signed-off-by: Dave Airlie <airlied@redhat.com>
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 3dd46cd55114..88e7900853db 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -407,19 +407,34 @@ 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);