Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch

Conflicts:
	net/openvswitch/vport-internal_dev.c

Jesse Gross says:

====================
A couple of minor enhancements for net-next/3.10.  The largest is an
extension to allow variable length metadata to be passed to userspace
with packets.

There is a merge conflict in net/openvswitch/vport-internal_dev.c:
A existing commit modifies internal_dev_mac_addr() and a new commit
deletes it.  The new one is correct, so you can just remove that function.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 19 insertions, 26 deletions

diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index d42e174bd0c8..67d6c7b03581 100644
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -94,7 +94,7 @@ struct ovs_vport_stats {
 };
 
 /* Fixed logical ports. */
-#define OVSP_LOCAL      ((__u16)0)
+#define OVSP_LOCAL      ((__u32)0)
 
 /* Packet transfer. */
 
@@ -127,7 +127,8 @@ enum ovs_packet_cmd {
  * for %OVS_PACKET_CMD_EXECUTE.  It has nested %OVS_ACTION_ATTR_* attributes.
  * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
  * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
- * %OVS_USERSPACE_ATTR_USERDATA attribute.
+ * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
+ * specified there.
  *
  * These attributes follow the &struct ovs_header within the Generic Netlink
  * payload for %OVS_PACKET_* commands.
@@ -137,7 +138,7 @@ enum ovs_packet_attr {
         OVS_PACKET_ATTR_PACKET,      /* Packet data. */
         OVS_PACKET_ATTR_KEY,         /* Nested OVS_KEY_ATTR_* attributes. */
         OVS_PACKET_ATTR_ACTIONS,     /* Nested OVS_ACTION_ATTR_* attributes. */
-        OVS_PACKET_ATTR_USERDATA,    /* u64 OVS_ACTION_ATTR_USERSPACE arg. */
+        OVS_PACKET_ATTR_USERDATA,    /* OVS_ACTION_ATTR_USERSPACE arg. */
         __OVS_PACKET_ATTR_MAX
 };
 
@@ -389,13 +390,13 @@ enum ovs_sample_attr {
  * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
  * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
  * message should be sent.  Required.
- * @OVS_USERSPACE_ATTR_USERDATA: If present, its u64 argument is copied to the
- * %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA,
+ * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
+ * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
  */
 enum ovs_userspace_attr {
         OVS_USERSPACE_ATTR_UNSPEC,
         OVS_USERSPACE_ATTR_PID,       /* u32 Netlink PID to receive upcalls. */
-        OVS_USERSPACE_ATTR_USERDATA,  /* u64 optional user-specified cookie. */
+        OVS_USERSPACE_ATTR_USERDATA,  /* Optional user-specified cookie. */
         __OVS_USERSPACE_ATTR_MAX
 };
 
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e87a26506dba..43b4ac1bcd10 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -369,8 +369,8 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex,
         len = sizeof(struct ovs_header);
         len += nla_total_size(skb->len);
         len += nla_total_size(FLOW_BUFSIZE);
-        if (upcall_info->cmd == OVS_PACKET_CMD_ACTION)
-                len += nla_total_size(8);
+        if (upcall_info->userdata)
+                len += NLA_ALIGN(upcall_info->userdata->nla_len);
 
         user_skb = genlmsg_new(len, GFP_ATOMIC);
         if (!user_skb) {
@@ -387,8 +387,9 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex,
         nla_nest_end(user_skb, nla);
 
         if (upcall_info->userdata)
-                nla_put_u64(user_skb, OVS_PACKET_ATTR_USERDATA,
-                            nla_get_u64(upcall_info->userdata));
+                __nla_put(user_skb, OVS_PACKET_ATTR_USERDATA,
+                          nla_len(upcall_info->userdata),
+                          nla_data(upcall_info->userdata));
 
         nla = __nla_reserve(user_skb, OVS_PACKET_ATTR_PACKET, skb->len);
 
@@ -543,7 +544,7 @@ static int validate_userspace(const struct nlattr *attr)
 {
         static const struct nla_policy userspace_policy[OVS_USERSPACE_ATTR_MAX + 1] =   {
                 [OVS_USERSPACE_ATTR_PID] = {.type = NLA_U32 },
-                [OVS_USERSPACE_ATTR_USERDATA] = {.type = NLA_U64 },
+                [OVS_USERSPACE_ATTR_USERDATA] = {.type = NLA_UNSPEC },
         };
         struct nlattr *a[OVS_USERSPACE_ATTR_MAX + 1];
         int error;
@@ -1627,7 +1628,7 @@ static struct vport *lookup_vport(struct net *net,
 
                 vport = ovs_vport_rtnl_rcu(dp, port_no);
                 if (!vport)
-                        return ERR_PTR(-ENOENT);
+                        return ERR_PTR(-ENODEV);
                 return vport;
         } else
                 return ERR_PTR(-EINVAL);
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 031dfbf37c93..9125ad5c5aeb 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -119,7 +119,7 @@ struct ovs_skb_cb {
  * struct dp_upcall - metadata to include with a packet to send to userspace
  * @cmd: One of %OVS_PACKET_CMD_*.
  * @key: Becomes %OVS_PACKET_ATTR_KEY.  Must be nonnull.
- * @userdata: If nonnull, its u64 value is extracted and passed to userspace as
+ * @userdata: If nonnull, its variable-length value is passed to userspace as
  * %OVS_PACKET_ATTR_USERDATA.
  * @pid: Netlink PID to which packet should be sent.  If @pid is 0 then no
  * packet is sent and the packet is accounted in the datapath's @n_lost
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index 0531de6c7a4a..40f8a2489c90 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -63,16 +63,6 @@ static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netde
         return stats;
 }
 
-static int internal_dev_mac_addr(struct net_device *dev, void *p)
-{
-        struct sockaddr *addr = p;
-
-        if (!is_valid_ether_addr(addr->sa_data))
-                return -EADDRNOTAVAIL;
-        memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-        return 0;
-}
-
 /* Called with rcu_read_lock_bh. */
 static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
@@ -126,7 +116,7 @@ static const struct net_device_ops internal_dev_netdev_ops = {
         .ndo_open = internal_dev_open,
         .ndo_stop = internal_dev_stop,
         .ndo_start_xmit = internal_dev_xmit,
-        .ndo_set_mac_address = internal_dev_mac_addr,
+        .ndo_set_mac_address = eth_mac_addr,
         .ndo_change_mtu = internal_dev_change_mtu,
         .ndo_get_stats64 = internal_dev_get_stats,
 };
@@ -138,6 +128,7 @@ static void do_setup(struct net_device *netdev)
         netdev->netdev_ops = &internal_dev_netdev_ops;
 
         netdev->priv_flags &= ~IFF_TX_SKB_SHARING;
+        netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
         netdev->destructor = internal_dev_destructor;
         SET_ETHTOOL_OPS(netdev, &internal_dev_ethtool_ops);
         netdev->tx_queue_len = 0;
diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index 3f7961ea3c56..aee7d43114c9 100644
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -68,10 +68,10 @@ struct vport_err_stats {
 /**
  * struct vport - one port within a datapath
  * @rcu: RCU callback head for deferred destruction.
- * @port_no: Index into @dp's @ports array.
  * @dp: Datapath to which this port belongs.
  * @upcall_portid: The Netlink port to use for packets received on this port that
  * miss the flow table.
+ * @port_no: Index into @dp's @ports array.
  * @hash_node: Element in @dev_table hash table in vport.c.
  * @dp_hash_node: Element in @datapath->ports hash table in datapath.c.
  * @ops: Class structure.
@@ -81,9 +81,9 @@ struct vport_err_stats {
  */
 struct vport {
         struct rcu_head rcu;
-        u16 port_no;
         struct datapath *dp;
         u32 upcall_portid;
+        u16 port_no;
 
         struct hlist_node hash_node;
         struct hlist_node dp_hash_node;