datapath: Consider tunnels to have no MTU, fixing jumbo frame support.

[sliver-openvswitch.git] / datapath / vport-patch.c

diff --git a/datapath/vport-patch.c b/datapath/vport-patch.c
index 7dfea6b..1c4d2c5 100644 (file)
--- a/datapath/vport-patch.c
+++ b/datapath/vport-patch.c
@@ -20,7 +20,6 @@ struct patch_config {
 
        char peer_name[IFNAMSIZ];
        unsigned char eth_addr[ETH_ALEN];
-       unsigned int mtu;
 };
 
 struct patch_vport {
@@ -148,10 +147,6 @@ static struct vport *patch_create(const struct vport_parms *parms)
 
        vport_gen_rand_ether_addr(patchconf->eth_addr);
 
-       /* Make the default MTU fairly large so that it doesn't become the
-        * bottleneck on systems using jumbo frames. */
-       patchconf->mtu = 65535;
-
        rcu_assign_pointer(patch_vport->patchconf, patchconf);
 
        peer_name = patchconf->peer_name;
@@ -236,22 +231,6 @@ static void update_peers(const char *name, struct vport *vport)
        }
 }
 
-static int patch_set_mtu(struct vport *vport, int mtu)
-{
-       struct patch_vport *patch_vport = patch_vport_priv(vport);
-       struct patch_config *patchconf;
-
-       patchconf = kmemdup(rtnl_dereference(patch_vport->patchconf),
-                         sizeof(struct patch_config), GFP_KERNEL);
-       if (!patchconf)
-               return -ENOMEM;
-
-       patchconf->mtu = mtu;
-       assign_config_rcu(vport, patchconf);
-
-       return 0;
-}
-
 static int patch_set_addr(struct vport *vport, const unsigned char *addr)
 {
        struct patch_vport *patch_vport = patch_vport_priv(vport);
@@ -289,12 +268,6 @@ static int patch_get_options(const struct vport *vport, struct sk_buff *skb)
        return nla_put_string(skb, ODP_PATCH_ATTR_PEER, patchconf->peer_name);
 }
 
-static int patch_get_mtu(const struct vport *vport)
-{
-       const struct patch_vport *patch_vport = patch_vport_priv(vport);
-       return rcu_dereference_rtnl(patch_vport->patchconf)->mtu;
-}
-
 static int patch_send(struct vport *vport, struct sk_buff *skb)
 {
        struct patch_vport *patch_vport = patch_vport_priv(vport);
@@ -319,7 +292,6 @@ const struct vport_ops patch_vport_ops = {
        .exit           = patch_exit,
        .create         = patch_create,
        .destroy        = patch_destroy,
-       .set_mtu        = patch_set_mtu,
        .set_addr       = patch_set_addr,
        .get_name       = patch_get_name,
        .get_addr       = patch_get_addr,
@@ -328,6 +300,5 @@ const struct vport_ops patch_vport_ops = {
        .get_dev_flags  = vport_gen_get_dev_flags,
        .is_running     = vport_gen_is_running,
        .get_operstate  = vport_gen_get_operstate,
-       .get_mtu        = patch_get_mtu,
        .send           = patch_send,
 };