diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_device.c | 2 | ||||
| -rw-r--r-- | net/bridge/br_forward.c | 3 | ||||
| -rw-r--r-- | net/bridge/br_if.c | 1 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 6 | ||||
| -rw-r--r-- | net/bridge/br_sysfs_if.c | 17 |
5 files changed, 26 insertions, 3 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 15d43ba86b53..07a07770c8b6 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -20,7 +20,7 @@ #include "br_private.h" /* net device transmit always called with no BH (preempt_disabled) */ -int br_dev_xmit(struct sk_buff *skb, struct net_device *dev) +netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); const unsigned char *dest = skb->data; diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index d2c27c808d3b..bc1704ac6cd9 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -22,7 +22,8 @@ static inline int should_deliver(const struct net_bridge_port *p, const struct sk_buff *skb) { - return (skb->dev != p->dev && p->state == BR_STATE_FORWARDING); + return (((p->flags & BR_HAIRPIN_MODE) || skb->dev != p->dev) && + p->state == BR_STATE_FORWARDING); } static inline unsigned packet_length(const struct sk_buff *skb) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index eb404dc3ed6e..e486f1fc3632 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -256,6 +256,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br, p->path_cost = port_cost(dev); p->priority = 0x8000 >> BR_PORT_BITS; p->port_no = index; + p->flags = 0; br_init_port(p); p->state = BR_STATE_DISABLED; br_stp_port_timer_init(p); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index d5b5537272b4..2114e45682ea 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -81,6 +81,9 @@ struct net_bridge_port struct timer_list message_age_timer; struct kobject kobj; struct rcu_head rcu; + + unsigned long flags; +#define BR_HAIRPIN_MODE 0x00000001 }; struct net_bridge @@ -140,7 +143,8 @@ static inline int br_is_root_bridge(const struct net_bridge *br) /* br_device.c */ extern void br_dev_setup(struct net_device *dev); -extern int br_dev_xmit(struct sk_buff *skb, struct net_device *dev); +extern netdev_tx_t br_dev_xmit(struct sk_buff *skb, + struct net_device *dev); /* br_fdb.c */ extern int br_fdb_init(void); diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c index 4a3cdf8f3813..820643a3ba9c 100644 --- a/net/bridge/br_sysfs_if.c +++ b/net/bridge/br_sysfs_if.c @@ -143,6 +143,22 @@ static ssize_t store_flush(struct net_bridge_port *p, unsigned long v) } static BRPORT_ATTR(flush, S_IWUSR, NULL, store_flush); +static ssize_t show_hairpin_mode(struct net_bridge_port *p, char *buf) +{ + int hairpin_mode = (p->flags & BR_HAIRPIN_MODE) ? 1 : 0; + return sprintf(buf, "%d\n", hairpin_mode); +} +static ssize_t store_hairpin_mode(struct net_bridge_port *p, unsigned long v) +{ + if (v) + p->flags |= BR_HAIRPIN_MODE; + else + p->flags &= ~BR_HAIRPIN_MODE; + return 0; +} +static BRPORT_ATTR(hairpin_mode, S_IRUGO | S_IWUSR, + show_hairpin_mode, store_hairpin_mode); + static struct brport_attribute *brport_attrs[] = { &brport_attr_path_cost, &brport_attr_priority, @@ -159,6 +175,7 @@ static struct brport_attribute *brport_attrs[] = { &brport_attr_forward_delay_timer, &brport_attr_hold_timer, &brport_attr_flush, + &brport_attr_hairpin_mode, NULL }; |