linux_dsm_epyc7002/include/net/drop_monitor.h
Masahiro Yamada 1cd9b3abf5 net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report()
In net/Kconfig, NET_DEVLINK implies NET_DROP_MONITOR.

The original behavior of the 'imply' keyword prevents NET_DROP_MONITOR
from being 'm' when NET_DEVLINK=y.

With the planned Kconfig change that relaxes the 'imply', the
combination of NET_DEVLINK=y and NET_DROP_MONITOR=m would be allowed.

Use IS_REACHABLE() to avoid the vmlinux link error for this case.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
2020-03-13 10:04:45 +09:00

34 lines
788 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _NET_DROP_MONITOR_H_
#define _NET_DROP_MONITOR_H_
#include <linux/ktime.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
/**
* struct net_dm_hw_metadata - Hardware-supplied packet metadata.
* @trap_group_name: Hardware trap group name.
* @trap_name: Hardware trap name.
* @input_dev: Input netdevice.
*/
struct net_dm_hw_metadata {
const char *trap_group_name;
const char *trap_name;
struct net_device *input_dev;
};
#if IS_REACHABLE(CONFIG_NET_DROP_MONITOR)
void net_dm_hw_report(struct sk_buff *skb,
const struct net_dm_hw_metadata *hw_metadata);
#else
static inline void
net_dm_hw_report(struct sk_buff *skb,
const struct net_dm_hw_metadata *hw_metadata)
{
}
#endif
#endif /* _NET_DROP_MONITOR_H_ */