diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 2afb0de953291c..ef56c035d44e5d 100644 --- 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; } } |