diff options
| author | Thomas Graf <tgraf@suug.ch> | 2015-07-21 11:44:02 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-21 20:39:06 +0300 |
| commit | 0dfbdf4102b9303d3ddf2177c0220098ff99f6de (patch) | |
| tree | 45089b30555c3e10111a14dc3ecaa9ca4422076d /include/net | |
| parent | e7030878fc8448492b6e5cecd574043f63271298 (diff) | |
| download | linux-0dfbdf4102b9303d3ddf2177c0220098ff99f6de.tar.xz | |
vxlan: Factor out device configuration
This factors out the device configuration out of the RTNL newlink
API which allows for in-kernel creation of VXLAN net_devices.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/vxlan.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 80a2da29e088..19535f85eb2c 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -95,6 +95,11 @@ struct vxlanhdr { #define VXLAN_VNI_MASK (VXLAN_VID_MASK << 8) #define VXLAN_HLEN (sizeof(struct udphdr) + sizeof(struct vxlanhdr)) +#define VNI_HASH_BITS 10 +#define VNI_HASH_SIZE (1<<VNI_HASH_BITS) +#define FDB_HASH_BITS 8 +#define FDB_HASH_SIZE (1<<FDB_HASH_BITS) + struct vxlan_metadata { __be32 vni; u32 gbp; @@ -121,6 +126,57 @@ struct vxlan_sock { u32 flags; }; +union vxlan_addr { + struct sockaddr_in sin; + struct sockaddr_in6 sin6; + struct sockaddr sa; +}; + +struct vxlan_rdst { + union vxlan_addr remote_ip; + __be16 remote_port; + u32 remote_vni; + u32 remote_ifindex; + struct list_head list; + struct rcu_head rcu; +}; + +struct vxlan_config { + union vxlan_addr remote_ip; + union vxlan_addr saddr; + u32 vni; + int remote_ifindex; + int mtu; + __be16 dst_port; + __u16 port_min; + __u16 port_max; + __u8 tos; + __u8 ttl; + u32 flags; + unsigned long age_interval; + unsigned int addrmax; + bool no_share; +}; + +/* Pseudo network device */ +struct vxlan_dev { + struct hlist_node hlist; /* vni hash table */ + struct list_head next; /* vxlan's per namespace list */ + struct vxlan_sock *vn_sock; /* listening socket */ + struct net_device *dev; + struct net *net; /* netns for packet i/o */ + struct vxlan_rdst default_dst; /* default destination */ + u32 flags; /* VXLAN_F_* in vxlan.h */ + + struct timer_list age_timer; + spinlock_t hash_lock; + unsigned int addrcnt; + + struct vxlan_config cfg; + + struct hlist_head fdb_head[FDB_HASH_SIZE]; +}; + #define VXLAN_F_LEARN 0x01 #define VXLAN_F_PROXY 0x02 #define VXLAN_F_RSC 0x04 @@ -151,6 +207,9 @@ struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, vxlan_rcv_t *rcv, void *data, bool no_share, u32 flags); +struct net_device *vxlan_dev_create(struct net *net, const char *name, + u8 name_assign_type, struct vxlan_config *conf); + void vxlan_sock_release(struct vxlan_sock *vs); int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb, |