diff options
Diffstat (limited to 'include/net/psample.h')
| -rw-r--r-- | include/net/psample.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/net/psample.h b/include/net/psample.h new file mode 100644 index 000000000..0509d2d6b --- /dev/null +++ b/include/net/psample.h @@ -0,0 +1,51 @@ +/* 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 */ |