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review.shift-gmbh.com / SHIFTPHONES / kernel / common / d483da5bc78b86fe4200d2947f193a745f711713 / . / include / linux / if_macvlan.h
blob: 2e55e4cdbd8aaf2fb6f1e9220ba2a8f3d6285de5 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +0100[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0 */
Patrick McHardyb863ceb2007-07-14 18:55:06 -0700[diff] [blame]2#ifndef _LINUX_IF_MACVLAN_H
3#define _LINUX_IF_MACVLAN_H
4
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]5#include <linux/if_link.h>
Li RongQingcdf3e272014-01-04 14:22:34 +0800[diff] [blame]6#include <linux/if_vlan.h>
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]7#include <linux/list.h>
8#include <linux/netdevice.h>
9#include <linux/netlink.h>
10#include <net/netlink.h>
Eric Dumazetbc661542010-06-24 00:54:21 +0000[diff] [blame]11#include <linux/u64_stats_sync.h>
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]12
13struct macvlan_port;
Krishna Kumar1565c7c2010-08-04 06:15:59 +0000[diff] [blame]14
Eric Dumazetcd431e72013-02-05 20:22:50 +0000[diff] [blame]15#define MACVLAN_MC_FILTER_BITS 8
16#define MACVLAN_MC_FILTER_SZ (1 << MACVLAN_MC_FILTER_BITS)
17
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]18struct 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;
Alexander Duyck7d775f62018-04-03 17:16:03 -0400[diff] [blame]24 void *accel_priv;
Li RongQingcdf3e272014-01-04 14:22:34 +0800[diff] [blame]25 struct vlan_pcpu_stats __percpu *pcpu_stats;
Eric Dumazetcd431e72013-02-05 20:22:50 +0000[diff] [blame]26
27 DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
28
Vlad Yasevich2be5c762013-06-25 16:04:21 -0400[diff] [blame]29 netdev_features_t set_features;
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]30 enum macvlan_mode mode;
John Fastabenddf8ef8f2012-04-15 06:44:37 +0000[diff] [blame]31 u16 flags;
Vlad Yasevichc674ac32014-05-16 17:04:56 -0400[diff] [blame]32 int nest_level;
Girish Moodalbail5e54b3c2017-12-08 06:03:26 -0800[diff] [blame]33 unsigned int macaddr_count;
dingtianhong688cea82014-05-30 16:00:56 +0800[diff] [blame]34#ifdef CONFIG_NET_POLL_CONTROLLER
35 struct netpoll *netpoll;
36#endif
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]37};
38
39static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
40 unsigned int len, bool success,
41 bool multicast)
42{
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]43 if (likely(success)) {
Li RongQingcdf3e272014-01-04 14:22:34 +0800[diff] [blame]44 struct vlan_pcpu_stats *pcpu_stats;
Eric Dumazet8ffab512010-11-10 21:14:04 +0000[diff] [blame]45
46 pcpu_stats = this_cpu_ptr(vlan->pcpu_stats);
47 u64_stats_update_begin(&pcpu_stats->syncp);
48 pcpu_stats->rx_packets++;
49 pcpu_stats->rx_bytes += len;
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]50 if (multicast)
Eric Dumazet8ffab512010-11-10 21:14:04 +0000[diff] [blame]51 pcpu_stats->rx_multicast++;
52 u64_stats_update_end(&pcpu_stats->syncp);
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]53 } else {
Eric Dumazet8ffab512010-11-10 21:14:04 +0000[diff] [blame]54 this_cpu_inc(vlan->pcpu_stats->rx_errors);
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]55 }
56}
57
Herbert Xu8a357472010-07-21 21:44:31 +0000[diff] [blame]58extern void macvlan_common_setup(struct net_device *dev);
59
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]60extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
David Ahern42ab19e2017-10-04 17:48:47 -0700[diff] [blame]61 struct nlattr *tb[], struct nlattr *data[],
62 struct netlink_ext_ack *extack);
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]63
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]64extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
65
66extern int macvlan_link_register(struct rtnl_link_ops *ops);
67
Michal Kubečekbe9eac42013-11-15 06:18:40 +0100[diff] [blame]68#if IS_ENABLED(CONFIG_MACVLAN)
69static inline struct net_device *
70macvlan_dev_real_dev(const struct net_device *dev)
71{
72 struct macvlan_dev *macvlan = netdev_priv(dev);
73
74 return macvlan->lowerdev;
75}
76#else
77static inline struct net_device *
78macvlan_dev_real_dev(const struct net_device *dev)
79{
80 BUG();
81 return NULL;
82}
83#endif
84
Alexander Duyck7d775f62018-04-03 17:16:03 -0400[diff] [blame]85static inline void *macvlan_accel_priv(struct net_device *dev)
86{
87 struct macvlan_dev *macvlan = netdev_priv(dev);
88
89 return macvlan->accel_priv;
90}
Alexander Duyck6cb19372018-04-03 17:16:25 -0400[diff] [blame]91
92static inline bool macvlan_supports_dest_filter(struct net_device *dev)
93{
94 struct macvlan_dev *macvlan = netdev_priv(dev);
95
96 return macvlan->mode == MACVLAN_MODE_PRIVATE ||
97 macvlan->mode == MACVLAN_MODE_VEPA ||
98 macvlan->mode == MACVLAN_MODE_BRIDGE;
99}
Alexander Duyck53cd4d82018-04-03 17:16:30 -0400[diff] [blame]100
101static inline int macvlan_release_l2fw_offload(struct net_device *dev)
102{
103 struct macvlan_dev *macvlan = netdev_priv(dev);
104
105 macvlan->accel_priv = NULL;
106 return dev_uc_add(macvlan->lowerdev, dev->dev_addr);
107}
Patrick McHardyb863ceb2007-07-14 18:55:06 -0700[diff] [blame]108#endif /* _LINUX_IF_MACVLAN_H */