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-rw-r--r--include/linux/filter.h56
1 files changed, 51 insertions, 5 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 1727898f1641..bbce89937fde 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -571,8 +571,7 @@ DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key);
extern struct mutex nf_conn_btf_access_lock;
extern int (*nfct_btf_struct_access)(struct bpf_verifier_log *log,
const struct bpf_reg_state *reg,
- int off, int size, enum bpf_access_type atype,
- u32 *next_btf_id, enum bpf_type_flag *flag);
+ int off, int size);
typedef unsigned int (*bpf_dispatcher_fn)(const void *ctx,
const struct bpf_insn *insnsi,
@@ -921,6 +920,7 @@ void bpf_jit_compile(struct bpf_prog *prog);
bool bpf_jit_needs_zext(void);
bool bpf_jit_supports_subprog_tailcalls(void);
bool bpf_jit_supports_kfunc_call(void);
+bool bpf_jit_supports_far_kfunc_call(void);
bool bpf_helper_changes_pkt_data(void *func);
static inline bool bpf_dump_raw_ok(const struct cred *cred)
@@ -1504,9 +1504,9 @@ static inline bool bpf_sk_lookup_run_v6(struct net *net, int protocol,
}
#endif /* IS_ENABLED(CONFIG_IPV6) */
-static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u64 index,
- u64 flags, const u64 flag_mask,
- void *lookup_elem(struct bpf_map *map, u32 key))
+static __always_inline long __bpf_xdp_redirect_map(struct bpf_map *map, u64 index,
+ u64 flags, const u64 flag_mask,
+ void *lookup_elem(struct bpf_map *map, u32 key))
{
struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);
const u64 action_mask = XDP_ABORTED | XDP_DROP | XDP_PASS | XDP_TX;
@@ -1542,4 +1542,50 @@ static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u64 index
return XDP_REDIRECT;
}
+#ifdef CONFIG_NET
+int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len);
+int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
+ u32 len, u64 flags);
+int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
+int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
+void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len);
+void bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off,
+ void *buf, unsigned long len, bool flush);
+#else /* CONFIG_NET */
+static inline int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset,
+ void *to, u32 len)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset,
+ const void *from, u32 len, u64 flags)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset,
+ void *buf, u32 len)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset,
+ void *buf, u32 len)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len)
+{
+ return NULL;
+}
+
+static inline void *bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off, void *buf,
+ unsigned long len, bool flush)
+{
+ return NULL;
+}
+#endif /* CONFIG_NET */
+
#endif /* __LINUX_FILTER_H__ */