projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| b863ceb7 PM |
2 | #ifndef _LINUX_IF_MACVLAN_H |
| 3 | #define _LINUX_IF_MACVLAN_H | |
| 4 | ||
| fc0663d6 | 5 | #include <linux/if_link.h> |
| cdf3e274 | 6 | #include <linux/if_vlan.h> |
| fc0663d6 AB |
7 | #include <linux/list.h> |
| 8 | #include <linux/netdevice.h> | |
| 9 | #include <linux/netlink.h> | |
| 10 | #include <net/netlink.h> | |
| bc66154e | 11 | #include <linux/u64_stats_sync.h> |
| fc0663d6 AB |
12 | |
| 13 | struct macvlan_port; | |
| 1565c7c1 | 14 | |
| cd431e73 ED |
15 | #define MACVLAN_MC_FILTER_BITS 8 |
| 16 | #define MACVLAN_MC_FILTER_SZ (1 << MACVLAN_MC_FILTER_BITS) | |
| 17 | ||
| fc0663d6 AB |
18 | struct macvlan_dev { |
| 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; | |
| 1f4a5983 | 24 | netdevice_tracker dev_tracker; |
| 7d775f63 | 25 | void *accel_priv; |
| cdf3e274 | 26 | struct vlan_pcpu_stats __percpu *pcpu_stats; |
| cd431e73 ED |
27 | |
| 28 | DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ); | |
| 29 | ||
| 2be5c767 | 30 | netdev_features_t set_features; |
| fc0663d6 | 31 | enum macvlan_mode mode; |
| df8ef8f3 | 32 | u16 flags; |
| 5e54b3c1 | 33 | unsigned int macaddr_count; |
| d4bff72c | 34 | u32 bc_queue_len_req; |
| 688cea83 | 35 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 36 | struct netpoll *netpoll; | |
| 37 | #endif | |
| fc0663d6 AB |
38 | }; |
| 39 | ||
| 40 | static inline void macvlan_count_rx(const struct macvlan_dev *vlan, | |
| 41 | unsigned int len, bool success, | |
| 42 | bool multicast) | |
| 43 | { | |
| fc0663d6 | 44 | if (likely(success)) { |
| cdf3e274 | 45 | struct vlan_pcpu_stats *pcpu_stats; |
| 8ffab51b | 46 | |
| dd4fa1da | 47 | pcpu_stats = get_cpu_ptr(vlan->pcpu_stats); |
| 8ffab51b | 48 | u64_stats_update_begin(&pcpu_stats->syncp); |
| 09cca53c ED |
49 | u64_stats_inc(&pcpu_stats->rx_packets); |
| 50 | u64_stats_add(&pcpu_stats->rx_bytes, len); | |
| fc0663d6 | 51 | if (multicast) |
| 09cca53c | 52 | u64_stats_inc(&pcpu_stats->rx_multicast); |
| 8ffab51b | 53 | u64_stats_update_end(&pcpu_stats->syncp); |
| dd4fa1da | 54 | put_cpu_ptr(vlan->pcpu_stats); |
| fc0663d6 | 55 | } else { |
| 8ffab51b | 56 | this_cpu_inc(vlan->pcpu_stats->rx_errors); |
| fc0663d6 AB |
57 | } |
| 58 | } | |
| 59 | ||
| 8a35747a HX |
60 | extern void macvlan_common_setup(struct net_device *dev); |
| 61 | ||
| fc0663d6 | 62 | extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev, |
| 42ab19ee DA |
63 | struct nlattr *tb[], struct nlattr *data[], |
| 64 | struct netlink_ext_ack *extack); | |
| fc0663d6 | 65 | |
| fc0663d6 AB |
66 | extern void macvlan_dellink(struct net_device *dev, struct list_head *head); |
| 67 | ||
| 68 | extern int macvlan_link_register(struct rtnl_link_ops *ops); | |
| 69 | ||
| be9eac48 MK |
70 | #if IS_ENABLED(CONFIG_MACVLAN) |
| 71 | static inline struct net_device * | |
| 72 | macvlan_dev_real_dev(const struct net_device *dev) | |
| 73 | { | |
| 74 | struct macvlan_dev *macvlan = netdev_priv(dev); | |
| 75 | ||
| 76 | return macvlan->lowerdev; | |
| 77 | } | |
| 78 | #else | |
| 79 | static inline struct net_device * | |
| 80 | macvlan_dev_real_dev(const struct net_device *dev) | |
| 81 | { | |
| 82 | BUG(); | |
| 83 | return NULL; | |
| 84 | } | |
| 85 | #endif | |
| 86 | ||
| 7d775f63 AD |
87 | static inline void *macvlan_accel_priv(struct net_device *dev) |
| 88 | { | |
| 89 | struct macvlan_dev *macvlan = netdev_priv(dev); | |
| 90 | ||
| 91 | return macvlan->accel_priv; | |
| 92 | } | |
| 6cb1937d AD |
93 | |
| 94 | static inline bool macvlan_supports_dest_filter(struct net_device *dev) | |
| 95 | { | |
| 96 | struct macvlan_dev *macvlan = netdev_priv(dev); | |
| 97 | ||
| 98 | return macvlan->mode == MACVLAN_MODE_PRIVATE || | |
| 99 | macvlan->mode == MACVLAN_MODE_VEPA || | |
| 100 | macvlan->mode == MACVLAN_MODE_BRIDGE; | |
| 101 | } | |
| 53cd4d8e AD |
102 | |
| 103 | static inline int macvlan_release_l2fw_offload(struct net_device *dev) | |
| 104 | { | |
| 105 | struct macvlan_dev *macvlan = netdev_priv(dev); | |
| 106 | ||
| 107 | macvlan->accel_priv = NULL; | |
| 108 | return dev_uc_add(macvlan->lowerdev, dev->dev_addr); | |
| 109 | } | |
| b863ceb7 | 110 | #endif /* _LINUX_IF_MACVLAN_H */ |