1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_IF_MACVLAN_H
3 #define _LINUX_IF_MACVLAN_H
5 #include <linux/if_link.h>
6 #include <linux/if_vlan.h>
7 #include <linux/list.h>
8 #include <linux/netdevice.h>
9 #include <linux/netlink.h>
10 #include <net/netlink.h>
11 #include <linux/u64_stats_sync.h>
15 #define MACVLAN_MC_FILTER_BITS 8
16 #define MACVLAN_MC_FILTER_SZ (1 << MACVLAN_MC_FILTER_BITS)
19 struct net_device
*dev
;
20 struct list_head list
;
21 struct hlist_node hlist
;
22 struct macvlan_port
*port
;
23 struct net_device
*lowerdev
;
25 struct vlan_pcpu_stats __percpu
*pcpu_stats
;
27 DECLARE_BITMAP(mc_filter
, MACVLAN_MC_FILTER_SZ
);
29 netdev_features_t set_features
;
30 enum macvlan_mode mode
;
32 unsigned int macaddr_count
;
34 #ifdef CONFIG_NET_POLL_CONTROLLER
35 struct netpoll
*netpoll
;
39 static inline void macvlan_count_rx(const struct macvlan_dev
*vlan
,
40 unsigned int len
, bool success
,
43 if (likely(success
)) {
44 struct vlan_pcpu_stats
*pcpu_stats
;
46 pcpu_stats
= get_cpu_ptr(vlan
->pcpu_stats
);
47 u64_stats_update_begin(&pcpu_stats
->syncp
);
48 pcpu_stats
->rx_packets
++;
49 pcpu_stats
->rx_bytes
+= len
;
51 pcpu_stats
->rx_multicast
++;
52 u64_stats_update_end(&pcpu_stats
->syncp
);
53 put_cpu_ptr(vlan
->pcpu_stats
);
55 this_cpu_inc(vlan
->pcpu_stats
->rx_errors
);
59 extern void macvlan_common_setup(struct net_device
*dev
);
61 extern int macvlan_common_newlink(struct net
*src_net
, struct net_device
*dev
,
62 struct nlattr
*tb
[], struct nlattr
*data
[],
63 struct netlink_ext_ack
*extack
);
65 extern void macvlan_dellink(struct net_device
*dev
, struct list_head
*head
);
67 extern int macvlan_link_register(struct rtnl_link_ops
*ops
);
69 #if IS_ENABLED(CONFIG_MACVLAN)
70 static inline struct net_device
*
71 macvlan_dev_real_dev(const struct net_device
*dev
)
73 struct macvlan_dev
*macvlan
= netdev_priv(dev
);
75 return macvlan
->lowerdev
;
78 static inline struct net_device
*
79 macvlan_dev_real_dev(const struct net_device
*dev
)
86 static inline void *macvlan_accel_priv(struct net_device
*dev
)
88 struct macvlan_dev
*macvlan
= netdev_priv(dev
);
90 return macvlan
->accel_priv
;
93 static inline bool macvlan_supports_dest_filter(struct net_device
*dev
)
95 struct macvlan_dev
*macvlan
= netdev_priv(dev
);
97 return macvlan
->mode
== MACVLAN_MODE_PRIVATE
||
98 macvlan
->mode
== MACVLAN_MODE_VEPA
||
99 macvlan
->mode
== MACVLAN_MODE_BRIDGE
;
102 static inline int macvlan_release_l2fw_offload(struct net_device
*dev
)
104 struct macvlan_dev
*macvlan
= netdev_priv(dev
);
106 macvlan
->accel_priv
= NULL
;
107 return dev_uc_add(macvlan
->lowerdev
, dev
->dev_addr
);
109 #endif /* _LINUX_IF_MACVLAN_H */