net: uninline skb_bond_should_drop()

skb_bond_should_drop() is too big to be inlined.

This patch reduces kernel text size, and its compilation time as well
(shrinking include/linux/netdevice.h)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d1a21b576a409a72fd705c1faabed4637d0fd7dd..470f7c951afb481a43966936a81ce23fb559166b 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2089,54 +2089,14 @@ static inline void netif_set_gso_max_size(struct net_device *dev,
        dev->gso_max_size = size;
 }
 
-static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
-                                             struct net_device *master)
-{
-       if (skb->pkt_type == PACKET_HOST) {
-               u16 *dest = (u16 *) eth_hdr(skb)->h_dest;
-
-               memcpy(dest, master->dev_addr, ETH_ALEN);
-       }
-}
+extern int __skb_bond_should_drop(struct sk_buff *skb,
+                                 struct net_device *master);
 
-/* On bonding slaves other than the currently active slave, suppress
- * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
- * ARP on active-backup slaves with arp_validate enabled.
- */
 static inline int skb_bond_should_drop(struct sk_buff *skb,
                                       struct net_device *master)
 {
-       if (master) {
-               struct net_device *dev = skb->dev;
-
-               if (master->priv_flags & IFF_MASTER_ARPMON)
-                       dev->last_rx = jiffies;
-
-               if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) {
-                       /* Do address unmangle. The local destination address
-                        * will be always the one master has. Provides the right
-                        * functionality in a bridge.
-                        */
-                       skb_bond_set_mac_by_master(skb, master);
-               }
-
-               if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
-                       if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
-                           skb->protocol == __cpu_to_be16(ETH_P_ARP))
-                               return 0;
-
-                       if (master->priv_flags & IFF_MASTER_ALB) {
-                               if (skb->pkt_type != PACKET_BROADCAST &&
-                                   skb->pkt_type != PACKET_MULTICAST)
-                                       return 0;
-                       }
-                       if (master->priv_flags & IFF_MASTER_8023AD &&
-                           skb->protocol == __cpu_to_be16(ETH_P_SLOW))
-                               return 0;
-
-                       return 1;
-               }
-       }
+       if (master)
+               return __skb_bond_should_drop(skb, master);
        return 0;
 }
 

diff --git a/net/core/dev.c b/net/core/dev.c
index ca4cdef74a1b0749795e8575b666715eede46280..876b1112d5bafd28038d31810ba53bd4adcec9bb 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2646,6 +2646,55 @@ void netif_nit_deliver(struct sk_buff *skb)
        rcu_read_unlock();
 }
 
+static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
+                                             struct net_device *master)
+{
+       if (skb->pkt_type == PACKET_HOST) {
+               u16 *dest = (u16 *) eth_hdr(skb)->h_dest;
+
+               memcpy(dest, master->dev_addr, ETH_ALEN);
+       }
+}
+
+/* On bonding slaves other than the currently active slave, suppress
+ * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
+ * ARP on active-backup slaves with arp_validate enabled.
+ */
+int __skb_bond_should_drop(struct sk_buff *skb, struct net_device *master)
+{
+       struct net_device *dev = skb->dev;
+
+       if (master->priv_flags & IFF_MASTER_ARPMON)
+               dev->last_rx = jiffies;
+
+       if ((master->priv_flags & IFF_MASTER_ALB) && master->br_port) {
+               /* Do address unmangle. The local destination address
+                * will be always the one master has. Provides the right
+                * functionality in a bridge.
+                */
+               skb_bond_set_mac_by_master(skb, master);
+       }
+
+       if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
+               if ((dev->priv_flags & IFF_SLAVE_NEEDARP) &&
+                   skb->protocol == __cpu_to_be16(ETH_P_ARP))
+                       return 0;
+
+               if (master->priv_flags & IFF_MASTER_ALB) {
+                       if (skb->pkt_type != PACKET_BROADCAST &&
+                           skb->pkt_type != PACKET_MULTICAST)
+                               return 0;
+               }
+               if (master->priv_flags & IFF_MASTER_8023AD &&
+                   skb->protocol == __cpu_to_be16(ETH_P_SLOW))
+                       return 0;
+
+               return 1;
+       }
+       return 0;
+}
+EXPORT_SYMBOL(__skb_bond_should_drop);
+
 static int __netif_receive_skb(struct sk_buff *skb)
 {
        struct packet_type *ptype, *pt_prev;