Contributors: 20
Author Tokens Token Proportion Commits Commit Proportion
Michal Kubeček 105 23.03% 1 3.03%
Arnd Bergmann 105 23.03% 3 9.09%
Eric Dumazet 69 15.13% 6 18.18%
Alexander Duyck 60 13.16% 3 9.09%
Patrick McHardy 45 9.87% 1 3.03%
Linus Torvalds (pre-git) 20 4.39% 4 12.12%
Ding Tianhong 10 2.19% 1 3.03%
John Fastabend 6 1.32% 2 6.06%
Herbert Xu 6 1.32% 1 3.03%
Xiao Liang 5 1.10% 1 3.03%
Michael Braun 4 0.88% 1 3.03%
Linus Torvalds 3 0.66% 1 3.03%
David S. Miller 3 0.66% 1 3.03%
Thomas Karlsson 3 0.66% 1 3.03%
Vlad Yasevich 3 0.66% 1 3.03%
Ziyang Xuan 3 0.66% 1 3.03%
Daniel Borkmann 2 0.44% 1 3.03%
Li RongQing 2 0.44% 1 3.03%
Tejun Heo 1 0.22% 1 3.03%
Greg Kroah-Hartman 1 0.22% 1 3.03%
Total 456 33 


/* 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);

struct rtnl_newlink_params;

extern int macvlan_common_newlink(struct net_device *dev,
				  struct rtnl_newlink_params *params,
				  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 */