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authorJarod Wilson <jarod@redhat.com>2016-10-20 23:25:27 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-21 13:57:50 -0400
commit8b1efc0f83f1f75b8f85c70d2211007de8fd7633 (patch)
tree80b313286f4f191d241a803d5f8690b74187a4e9 /net/atm
parente8f0a89cd7591c5d4eb7c77833af865b4db356b7 (diff)
downloadlinux-8b1efc0f83f1f75b8f85c70d2211007de8fd7633.tar.gz
net: remove MTU limits on a few ether_setup callers
These few drivers call ether_setup(), but have no ndo_change_mtu, and thus
were overlooked for changes to MTU range checking behavior. They
previously had no range checks, so for feature-parity, set their min_mtu
to 0 and max_mtu to ETH_MAX_MTU (65535), instead of the 68 and 1500
inherited from the ether_setup() changes. Fine-tuning can come after we get
back to full feature-parity here.

CC: netdev@vger.kernel.org
Reported-by: Asbjoern Sloth Toennesen <asbjorn@asbjorn.st>
CC: Asbjoern Sloth Toennesen <asbjorn@asbjorn.st>
CC: R Parameswaran <parameswaran.r7@gmail.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/atm')
-rw-r--r--net/atm/br2684.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index c7d82f4e8422..fca84e111c89 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -649,7 +649,9 @@ static void br2684_setup_routed(struct net_device *netdev)
 	netdev->hard_header_len = sizeof(llc_oui_ipv4); /* worst case */
 	netdev->netdev_ops = &br2684_netdev_ops_routed;
 	netdev->addr_len = 0;
-	netdev->mtu = 1500;
+	netdev->mtu = ETH_DATA_LEN;
+	netdev->min_mtu = 0;
+	netdev->max_mtu = ETH_MAX_MTU;
 	netdev->type = ARPHRD_PPP;
 	netdev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
 	netdev->tx_queue_len = 100;