mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 00:06:51 +07:00
5e54b3c120
Move 'macaddr_count' from after 'netpoll' to after 'nest_level' to pack
and reduce a memory hole.
Fixes: 88ca59d1aa (macvlan: remove unused fields in struct macvlan_dev)
Signed-off-by: Girish Moodalbail <girish.moodalbail@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* 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;
|
|
void *fwd_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;
|
|
int nest_level;
|
|
unsigned int macaddr_count;
|
|
#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 = this_cpu_ptr(vlan->pcpu_stats);
|
|
u64_stats_update_begin(&pcpu_stats->syncp);
|
|
pcpu_stats->rx_packets++;
|
|
pcpu_stats->rx_bytes += len;
|
|
if (multicast)
|
|
pcpu_stats->rx_multicast++;
|
|
u64_stats_update_end(&pcpu_stats->syncp);
|
|
} 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_count_rx(const struct macvlan_dev *vlan,
|
|
unsigned int len, bool success,
|
|
bool multicast);
|
|
|
|
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
|
|
|
|
#endif /* _LINUX_IF_MACVLAN_H */
|