mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 23:14:31 +08:00
beb7f2de57
Without this there is a warning if source files include psample.h
before skbuff.h or doesn't include it at all.
Fixes: 6ae0a62861 ("net: Introduce psample, a new genetlink channel for packet sampling")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Link: https://lore.kernel.org/r/20210808065242.1522535-1-roid@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __NET_PSAMPLE_H
|
|
#define __NET_PSAMPLE_H
|
|
|
|
#include <uapi/linux/psample.h>
|
|
#include <linux/list.h>
|
|
|
|
struct psample_group {
|
|
struct list_head list;
|
|
struct net *net;
|
|
u32 group_num;
|
|
u32 refcount;
|
|
u32 seq;
|
|
struct rcu_head rcu;
|
|
};
|
|
|
|
struct psample_metadata {
|
|
u32 trunc_size;
|
|
int in_ifindex;
|
|
int out_ifindex;
|
|
u16 out_tc;
|
|
u64 out_tc_occ; /* bytes */
|
|
u64 latency; /* nanoseconds */
|
|
u8 out_tc_valid:1,
|
|
out_tc_occ_valid:1,
|
|
latency_valid:1,
|
|
unused:5;
|
|
};
|
|
|
|
struct psample_group *psample_group_get(struct net *net, u32 group_num);
|
|
void psample_group_take(struct psample_group *group);
|
|
void psample_group_put(struct psample_group *group);
|
|
|
|
struct sk_buff;
|
|
|
|
#if IS_ENABLED(CONFIG_PSAMPLE)
|
|
|
|
void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
|
|
u32 sample_rate, const struct psample_metadata *md);
|
|
|
|
#else
|
|
|
|
static inline void psample_sample_packet(struct psample_group *group,
|
|
struct sk_buff *skb, u32 sample_rate,
|
|
const struct psample_metadata *md)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* __NET_PSAMPLE_H */
|