Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

[powerpc.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 2afb0de..ef56c03 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -110,10 +110,8 @@
 #include <linux/netpoll.h>
 #include <linux/rcupdate.h>
 #include <linux/delay.h>
-#ifdef CONFIG_NET_RADIO
-#include <linux/wireless.h>            /* Note : will define WIRELESS_EXT */
+#include <linux/wireless.h>
 #include <net/iw_handler.h>
-#endif /* CONFIG_NET_RADIO */
 #include <asm/current.h>
 
 /*
@@ -1448,8 +1446,29 @@ static inline struct net_device *skb_bond(struct sk_buff *skb)
 {
        struct net_device *dev = skb->dev;
 
-       if (dev->master)
+       if (dev->master) {
+               /*
+                * On bonding slaves other than the currently active
+                * slave, suppress duplicates except for 802.3ad
+                * ETH_P_SLOW and alb non-mcast/bcast.
+                */
+               if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
+                       if (dev->master->priv_flags & IFF_MASTER_ALB) {
+                               if (skb->pkt_type != PACKET_BROADCAST &&
+                                   skb->pkt_type != PACKET_MULTICAST)
+                                       goto keep;
+                       }
+
+                       if (dev->master->priv_flags & IFF_MASTER_8023AD &&
+                           skb->protocol == __constant_htons(ETH_P_SLOW))
+                               goto keep;
+               
+                       kfree_skb(skb);
+                       return NULL;
+               }
+keep:
                skb->dev = dev->master;
+       }
 
        return dev;
 }
@@ -1593,6 +1612,9 @@ int netif_receive_skb(struct sk_buff *skb)
 
        orig_dev = skb_bond(skb);
 
+       if (!orig_dev)
+               return NET_RX_DROP;
+
        __get_cpu_var(netdev_rx_stat).total++;
 
        skb->h.raw = skb->nh.raw = skb->data;
@@ -2028,7 +2050,7 @@ static struct file_operations softnet_seq_fops = {
        .release = seq_release,
 };
 
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
 extern int wireless_proc_init(void);
 #else
 #define wireless_proc_init() 0
@@ -2582,7 +2604,7 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
                                        ret = -EFAULT;
                                return ret;
                        }
-#ifdef WIRELESS_EXT
+#ifdef CONFIG_WIRELESS_EXT
                        /* Take care of Wireless Extensions */
                        if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
                                /* If command is `set a parameter', or
@@ -2603,7 +2625,7 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
                                        ret = -EFAULT;
                                return ret;
                        }
-#endif /* WIRELESS_EXT */
+#endif /* CONFIG_WIRELESS_EXT */
                        return -EINVAL;
        }
 }