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linux-headers-6.8.0-36-generic
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if_macvlan.h
/* 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 */
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