diff options
author | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
commit | c44264f9f729fd63bd6a81a6ac5cd6cd49af09e5 (patch) | |
tree | ad77b18ffeafb50b3eb9ba6472670dc1d96f5558 /drivers/net/bareudp.c | |
parent | ca457ab5908603b36be903e73977afde1ba03c84 (diff) | |
parent | bcf876870b95592b52519ed4aafcf9d95999bc9c (diff) | |
download | linux-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.c | 29 |
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); |