1 files changed, 110 insertions, 0 deletions
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
new file mode 100644
index 000000000..523025106
--- /dev/null
+++ b/include/linux/if_macvlan.h
@@ -0,0 +1,110 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_IF_MACVLAN_H
+#define _LINUX_IF_MACVLAN_H
+
+#include <linux/if_link.h>
+#include <linux/if_vlan.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/netlink.h>
+#include <linux/u64_stats_sync.h>
+
+struct macvlan_port;
+
+#define MACVLAN_MC_FILTER_BITS	8
+#define MACVLAN_MC_FILTER_SZ	(1 << MACVLAN_MC_FILTER_BITS)
+
+struct macvlan_dev {
+	struct net_device	*dev;
+	struct list_head	list;
+	struct hlist_node	hlist;
+	struct macvlan_port	*port;
+	struct net_device	*lowerdev;
+	netdevice_tracker	dev_tracker;
+	void			*accel_priv;
+	struct vlan_pcpu_stats __percpu *pcpu_stats;
+
+	DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
+
+	netdev_features_t	set_features;
+	enum macvlan_mode	mode;
+	u16			flags;
+	unsigned int		macaddr_count;
+	u32			bc_queue_len_req;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	struct netpoll		*netpoll;
+#endif
+};
+
+static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
+				    unsigned int len, bool success,
+				    bool multicast)
+{
+	if (likely(success)) {
+		struct vlan_pcpu_stats *pcpu_stats;
+
+		pcpu_stats = get_cpu_ptr(vlan->pcpu_stats);
+		u64_stats_update_begin(&pcpu_stats->syncp);
+		u64_stats_inc(&pcpu_stats->rx_packets);
+		u64_stats_add(&pcpu_stats->rx_bytes, len);
+		if (multicast)
+			u64_stats_inc(&pcpu_stats->rx_multicast);
+		u64_stats_update_end(&pcpu_stats->syncp);
+		put_cpu_ptr(vlan->pcpu_stats);
+	} else {
+		this_cpu_inc(vlan->pcpu_stats->rx_errors);
+	}
+}
+
+extern void macvlan_common_setup(struct net_device *dev);
+
+extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
+				  struct nlattr *tb[], struct nlattr *data[],
+				  struct netlink_ext_ack *extack);
+
+extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
+
+extern int macvlan_link_register(struct rtnl_link_ops *ops);
+
+#if IS_ENABLED(CONFIG_MACVLAN)
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->lowerdev;
+}
+#else
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+	BUG();
+	return NULL;
+}
+#endif
+
+static inline void *macvlan_accel_priv(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->accel_priv;
+}
+
+static inline bool macvlan_supports_dest_filter(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->mode == MACVLAN_MODE_PRIVATE ||
+	       macvlan->mode == MACVLAN_MODE_VEPA ||
+	       macvlan->mode == MACVLAN_MODE_BRIDGE;
+}
+
+static inline int macvlan_release_l2fw_offload(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	macvlan->accel_priv = NULL;
+	return dev_uc_add(macvlan->lowerdev, dev->dev_addr);
+}
+#endif /* _LINUX_IF_MACVLAN_H */