X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fdev.c;h=ef56c035d44e5dae7d448c6b27966dc62a5930f1;hb=489447380a2921ec0e9154f773c44ab3167ede4b;hp=bf66b114d3c235b24457bc588d34a12e60b7ffd5;hpb=977127174a7dff52d17faeeb4c4949a54221881f;p=linux-2.6

diff --git a/net/core/dev.c b/net/core/dev.c
index bf66b114d3..ef56c035d4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -75,6 +75,7 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <linux/bitops.h>
+#include <linux/capability.h>
 #include <linux/config.h>
 #include <linux/cpu.h>
 #include <linux/types.h>
@@ -109,10 +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>
 
 /*
@@ -1447,8 +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;
 }
@@ -1592,6 +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;
@@ -2027,7 +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
@@ -2542,13 +2565,14 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
 		case SIOCBONDENSLAVE:
 		case SIOCBONDRELEASE:
 		case SIOCBONDSETHWADDR:
-		case SIOCBONDSLAVEINFOQUERY:
-		case SIOCBONDINFOQUERY:
 		case SIOCBONDCHANGEACTIVE:
 		case SIOCBRADDIF:
 		case SIOCBRDELIF:
 			if (!capable(CAP_NET_ADMIN))
 				return -EPERM;
+			/* fall through */
+		case SIOCBONDSLAVEINFOQUERY:
+		case SIOCBONDINFOQUERY:
 			dev_load(ifr.ifr_name);
 			rtnl_lock();
 			ret = dev_ifsioc(&ifr, cmd);
@@ -2580,7 +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
@@ -2601,7 +2625,7 @@ int dev_ioctl(unsigned int cmd, void __user *arg)
 					ret = -EFAULT;
 				return ret;
 			}
-#endif	/* WIRELESS_EXT */
+#endif	/* CONFIG_WIRELESS_EXT */
 			return -EINVAL;
 	}
 }
@@ -3235,7 +3259,7 @@ static int __init net_dev_init(void)
 	 *	Initialise the packet receive queues.
 	 */
 
-	for (i = 0; i < NR_CPUS; i++) {
+	for_each_cpu(i) {
 		struct softnet_data *queue;
 
 		queue = &per_cpu(softnet_data, i);