Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking changes from David Miller:

 1) GRE now works over ipv6, from Dmitry Kozlov.

 2) Make SCTP more network namespace aware, from Eric Biederman.

 3) TEAM driver now works with non-ethernet devices, from Jiri Pirko.

 4) Make openvswitch network namespace aware, from Pravin B Shelar.

 5) IPV6 NAT implementation, from Patrick McHardy.

 6) Server side support for TCP Fast Open, from Jerry Chu and others.

 7) Packet BPF filter supports MOD and XOR, from Eric Dumazet and Daniel
    Borkmann.

 8) Increate the loopback default MTU to 64K, from Eric Dumazet.

 9) Use a per-task rather than per-socket page fragment allocator for
    outgoing networking traffic.  This benefits processes that have very
    many mostly idle sockets, which is quite common.

    From Eric Dumazet.

10) Use up to 32K for page fragment allocations, with fallbacks to
    smaller sizes when higher order page allocations fail.  Benefits are
    a) less segments for driver to process b) less calls to page
    allocator c) less waste of space.

    From Eric Dumazet.

11) Allow GRO to be used on GRE tunnels, from Eric Dumazet.

12) VXLAN device driver, one way to handle VLAN issues such as the
    limitation of 4096 VLAN IDs yet still have some level of isolation.
    From Stephen Hemminger.

13) As usual there is a large boatload of driver changes, with the scale
    perhaps tilted towards the wireless side this time around.

Fix up various fairly trivial conflicts, mostly caused by the user
namespace changes.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1012 commits)
  hyperv: Add buffer for extended info after the RNDIS response message.
  hyperv: Report actual status in receive completion packet
  hyperv: Remove extra allocated space for recv_pkt_list elements
  hyperv: Fix page buffer handling in rndis_filter_send_request()
  hyperv: Fix the missing return value in rndis_filter_set_packet_filter()
  hyperv: Fix the max_xfer_size in RNDIS initialization
  vxlan: put UDP socket in correct namespace
  vxlan: Depend on CONFIG_INET
  sfc: Fix the reported priorities of different filter types
  sfc: Remove EFX_FILTER_FLAG_RX_OVERRIDE_IP
  sfc: Fix loopback self-test with separate_tx_channels=1
  sfc: Fix MCDI structure field lookup
  sfc: Add parentheses around use of bitfield macro arguments
  sfc: Fix null function pointer in efx_sriov_channel_type
  vxlan: virtual extensible lan
  igmp: export symbol ip_mc_leave_group
  netlink: add attributes to fdb interface
  tg3: unconditionally select HWMON support when tg3 is enabled.
  Revert "net: ti cpsw ethernet: allow reading phy interface mode from DT"
  gre: fix sparse warning
  ...

1 files changed, 37 insertions, 48 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index bc2b88bbea1f..939fc01371df 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -579,32 +579,45 @@ batadv_find_ifalter_router(struct batadv_orig_node *primary_orig,
 	return router;
 }
 
-int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
+static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
 {
-	struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
-	struct batadv_tt_query_packet *tt_query;
-	uint16_t tt_size;
 	struct ethhdr *ethhdr;
-	char tt_flag;
-	size_t packet_size;
 
 	/* drop packet if it has not necessary minimum size */
-	if (unlikely(!pskb_may_pull(skb,
-				    sizeof(struct batadv_tt_query_packet))))
-		goto out;
-
-	/* I could need to modify it */
-	if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
-		goto out;
+	if (unlikely(!pskb_may_pull(skb, hdr_size)))
+		return -1;
 
 	ethhdr = (struct ethhdr *)skb_mac_header(skb);
 
 	/* packet with unicast indication but broadcast recipient */
 	if (is_broadcast_ether_addr(ethhdr->h_dest))
-		goto out;
+		return -1;
 
 	/* packet with broadcast sender address */
 	if (is_broadcast_ether_addr(ethhdr->h_source))
+		return -1;
+
+	/* not for me */
+	if (!batadv_is_my_mac(ethhdr->h_dest))
+		return -1;
+
+	return 0;
+}
+
+int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
+{
+	struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+	struct batadv_tt_query_packet *tt_query;
+	uint16_t tt_size;
+	int hdr_size = sizeof(*tt_query);
+	char tt_flag;
+	size_t packet_size;
+
+	if (batadv_check_unicast_packet(skb, hdr_size) < 0)
+		return NET_RX_DROP;
+
+	/* I could need to modify it */
+	if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
 		goto out;
 
 	tt_query = (struct batadv_tt_query_packet *)skb->data;
@@ -721,7 +734,7 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
 	 * been incremented yet. This flag will make me check all the incoming
 	 * packets for the correct destination.
 	 */
-	bat_priv->tt_poss_change = true;
+	bat_priv->tt.poss_change = true;
 
 	batadv_orig_node_free_ref(orig_node);
 out:
@@ -819,31 +832,6 @@ err:
 	return NULL;
 }
 
-static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
-{
-	struct ethhdr *ethhdr;
-
-	/* drop packet if it has not necessary minimum size */
-	if (unlikely(!pskb_may_pull(skb, hdr_size)))
-		return -1;
-
-	ethhdr = (struct ethhdr *)skb_mac_header(skb);
-
-	/* packet with unicast indication but broadcast recipient */
-	if (is_broadcast_ether_addr(ethhdr->h_dest))
-		return -1;
-
-	/* packet with broadcast sender address */
-	if (is_broadcast_ether_addr(ethhdr->h_source))
-		return -1;
-
-	/* not for me */
-	if (!batadv_is_my_mac(ethhdr->h_dest))
-		return -1;
-
-	return 0;
-}
-
 static int batadv_route_unicast_packet(struct sk_buff *skb,
 				       struct batadv_hard_iface *recv_if)
 {
@@ -947,8 +935,8 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
 	unicast_packet = (struct batadv_unicast_packet *)skb->data;
 
 	if (batadv_is_my_mac(unicast_packet->dest)) {
-		tt_poss_change = bat_priv->tt_poss_change;
-		curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+		tt_poss_change = bat_priv->tt.poss_change;
+		curr_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
 	} else {
 		orig_node = batadv_orig_hash_find(bat_priv,
 						  unicast_packet->dest);
@@ -993,8 +981,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
 		} else {
 			memcpy(unicast_packet->dest, orig_node->orig,
 			       ETH_ALEN);
-			curr_ttvn = (uint8_t)
-				atomic_read(&orig_node->last_ttvn);
+			curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
 			batadv_orig_node_free_ref(orig_node);
 		}
 
@@ -1025,8 +1012,9 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
 
 	/* packet for me */
 	if (batadv_is_my_mac(unicast_packet->dest)) {
-		batadv_interface_rx(recv_if->soft_iface, skb, recv_if,
-				    hdr_size);
+		batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+				    NULL);
+
 		return NET_RX_SUCCESS;
 	}
 
@@ -1063,7 +1051,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
 			return NET_RX_SUCCESS;
 
 		batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
-				    sizeof(struct batadv_unicast_packet));
+				    sizeof(struct batadv_unicast_packet), NULL);
 		return NET_RX_SUCCESS;
 	}
 
@@ -1150,7 +1138,8 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
 		goto out;
 
 	/* broadcast for me */
-	batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+	batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+			    orig_node);
 	ret = NET_RX_SUCCESS;
 	goto out;