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51 lines
1.1 KiB
51 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __NET_PSAMPLE_H |
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#define __NET_PSAMPLE_H |
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#include <uapi/linux/psample.h> |
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#include <linux/list.h> |
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struct psample_group { |
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struct list_head list; |
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struct net *net; |
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u32 group_num; |
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u32 refcount; |
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u32 seq; |
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struct rcu_head rcu; |
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}; |
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struct psample_metadata { |
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u32 trunc_size; |
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int in_ifindex; |
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int out_ifindex; |
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u16 out_tc; |
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u64 out_tc_occ; /* bytes */ |
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u64 latency; /* nanoseconds */ |
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u8 out_tc_valid:1, |
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out_tc_occ_valid:1, |
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latency_valid:1, |
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unused:5; |
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}; |
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struct psample_group *psample_group_get(struct net *net, u32 group_num); |
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void psample_group_take(struct psample_group *group); |
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void psample_group_put(struct psample_group *group); |
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struct sk_buff; |
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#if IS_ENABLED(CONFIG_PSAMPLE) |
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void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, |
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u32 sample_rate, const struct psample_metadata *md); |
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#else |
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static inline void psample_sample_packet(struct psample_group *group, |
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struct sk_buff *skb, u32 sample_rate, |
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const struct psample_metadata *md) |
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{ |
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} |
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#endif |
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#endif /* __NET_PSAMPLE_H */
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