bpf_sk_storage.h (1780B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Copyright (c) 2019 Facebook */ 3#ifndef _BPF_SK_STORAGE_H 4#define _BPF_SK_STORAGE_H 5 6#include <linux/rculist.h> 7#include <linux/list.h> 8#include <linux/hash.h> 9#include <linux/types.h> 10#include <linux/spinlock.h> 11#include <linux/bpf.h> 12#include <net/sock.h> 13#include <uapi/linux/sock_diag.h> 14#include <uapi/linux/btf.h> 15#include <linux/bpf_local_storage.h> 16 17struct sock; 18 19void bpf_sk_storage_free(struct sock *sk); 20 21extern const struct bpf_func_proto bpf_sk_storage_get_proto; 22extern const struct bpf_func_proto bpf_sk_storage_delete_proto; 23extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto; 24extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto; 25 26struct bpf_local_storage_elem; 27struct bpf_sk_storage_diag; 28struct sk_buff; 29struct nlattr; 30 31#ifdef CONFIG_BPF_SYSCALL 32int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk); 33struct bpf_sk_storage_diag * 34bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs); 35void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag); 36int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag, 37 struct sock *sk, struct sk_buff *skb, 38 int stg_array_type, 39 unsigned int *res_diag_size); 40#else 41static inline int bpf_sk_storage_clone(const struct sock *sk, 42 struct sock *newsk) 43{ 44 return 0; 45} 46static inline struct bpf_sk_storage_diag * 47bpf_sk_storage_diag_alloc(const struct nlattr *nla) 48{ 49 return NULL; 50} 51static inline void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag) 52{ 53} 54static inline int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag, 55 struct sock *sk, struct sk_buff *skb, 56 int stg_array_type, 57 unsigned int *res_diag_size) 58{ 59 return 0; 60} 61#endif 62 63#endif /* _BPF_SK_STORAGE_H */