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-rw-r--r--include/linux/netdevice.h36
1 files changed, 35 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ee81906b516..7c1d4466583 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -710,8 +710,10 @@ struct net_device
void (*poll_controller)(struct net_device *dev);
#endif
+#ifdef CONFIG_NET_NS
/* Network namespace this network device is inside */
struct net *nd_net;
+#endif
/* bridge stuff */
struct net_bridge_port *br_port;
@@ -726,6 +728,10 @@ struct net_device
/* rtnetlink link ops */
const struct rtnl_link_ops *rtnl_link_ops;
+ /* for setting kernel sock attribute on TCP connection setup */
+#define GSO_MAX_SIZE 65536
+ unsigned int gso_max_size;
+
/* The TX queue control structures */
unsigned int egress_subqueue_count;
struct net_device_subqueue egress_subqueue[1];
@@ -735,6 +741,28 @@ struct net_device
#define NETDEV_ALIGN 32
#define NETDEV_ALIGN_CONST (NETDEV_ALIGN - 1)
+/*
+ * Net namespace inlines
+ */
+static inline
+struct net *dev_net(const struct net_device *dev)
+{
+#ifdef CONFIG_NET_NS
+ return dev->nd_net;
+#else
+ return &init_net;
+#endif
+}
+
+static inline
+void dev_net_set(struct net_device *dev, struct net *net)
+{
+#ifdef CONFIG_NET_NS
+ release_net(dev->nd_net);
+ dev->nd_net = hold_net(net);
+#endif
+}
+
/**
* netdev_priv - access network device private data
* @dev: network device
@@ -811,7 +839,7 @@ static inline struct net_device *next_net_device(struct net_device *dev)
struct list_head *lh;
struct net *net;
- net = dev->nd_net;
+ net = dev_net(dev);
lh = dev->dev_list.next;
return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
}
@@ -1479,6 +1507,12 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
}
+static inline void netif_set_gso_max_size(struct net_device *dev,
+ unsigned int size)
+{
+ dev->gso_max_size = size;
+}
+
/* 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.