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