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