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bpf: Split bpf_local_storage to bpf_sk_storage

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A purely mechanical change:

	bpf_sk_storage.c = bpf_sk_storage.c + bpf_local_storage.c
	bpf_sk_storage.h = bpf_sk_storage.h + bpf_local_storage.h

Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200825182919.1118197-5-kpsingh@chromium.org
This commit is contained in:
KP Singh
2020-08-25 15:00:04 -07:00
committed by Alexei Starovoitov
parent f836a56e84
commit 450af8d0f6
5 changed files with 766 additions and 731 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/net/bpf_sk_storage.h
+1 -60
View File
@@ -12,6 +12,7 @@
#include <net/sock.h>
#include <uapi/linux/sock_diag.h>
#include <uapi/linux/btf.h>
#include <linux/bpf_local_storage.h>
struct sock;
@@ -26,66 +27,6 @@ struct sk_buff;
struct nlattr;
struct sock;
#define BPF_LOCAL_STORAGE_CACHE_SIZE 16
struct bpf_local_storage_cache {
spinlock_t idx_lock;
u64 idx_usage_counts[BPF_LOCAL_STORAGE_CACHE_SIZE];
};
#define DEFINE_BPF_STORAGE_CACHE(name) \
static struct bpf_local_storage_cache name = { \
.idx_lock = __SPIN_LOCK_UNLOCKED(name.idx_lock), \
}
u16 bpf_local_storage_cache_idx_get(struct bpf_local_storage_cache *cache);
void bpf_local_storage_cache_idx_free(struct bpf_local_storage_cache *cache,
u16 idx);
/* Helper functions for bpf_local_storage */
int bpf_local_storage_map_alloc_check(union bpf_attr *attr);
struct bpf_local_storage_map *bpf_local_storage_map_alloc(union bpf_attr *attr);
struct bpf_local_storage_data *
bpf_local_storage_lookup(struct bpf_local_storage *local_storage,
struct bpf_local_storage_map *smap,
bool cacheit_lockit);
void bpf_local_storage_map_free(struct bpf_local_storage_map *smap);
int bpf_local_storage_map_check_btf(const struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
void bpf_selem_link_storage_nolock(struct bpf_local_storage *local_storage,
struct bpf_local_storage_elem *selem);
bool bpf_selem_unlink_storage_nolock(struct bpf_local_storage *local_storage,
struct bpf_local_storage_elem *selem,
bool uncharge_omem);
void bpf_selem_unlink(struct bpf_local_storage_elem *selem);
void bpf_selem_link_map(struct bpf_local_storage_map *smap,
struct bpf_local_storage_elem *selem);
void bpf_selem_unlink_map(struct bpf_local_storage_elem *selem);
struct bpf_local_storage_elem *
bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner, void *value,
bool charge_mem);
int
bpf_local_storage_alloc(void *owner,
struct bpf_local_storage_map *smap,
struct bpf_local_storage_elem *first_selem);
struct bpf_local_storage_data *
bpf_local_storage_update(void *owner, struct bpf_local_storage_map *smap,
void *value, u64 map_flags);
#ifdef CONFIG_BPF_SYSCALL
int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk);
struct bpf_sk_storage_diag *