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-rw-r--r--include/linux/filter.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 6fc31ef1da2d..a16439b99fd9 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -368,6 +368,11 @@ struct bpf_skb_data_end {
void *data_end;
};
+struct xdp_buff {
+ void *data;
+ void *data_end;
+};
+
/* compute the linear packet data range [data, data_end) which
* will be accessed by cls_bpf and act_bpf programs
*/
@@ -429,6 +434,18 @@ static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog,
return BPF_PROG_RUN(prog, skb);
}
+static inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog,
+ struct xdp_buff *xdp)
+{
+ u32 ret;
+
+ rcu_read_lock();
+ ret = BPF_PROG_RUN(prog, (void *)xdp);
+ rcu_read_unlock();
+
+ return ret;
+}
+
static inline unsigned int bpf_prog_size(unsigned int proglen)
{
return max(sizeof(struct bpf_prog),
@@ -467,7 +484,11 @@ static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
}
#endif /* CONFIG_DEBUG_SET_MODULE_RONX */
-int sk_filter(struct sock *sk, struct sk_buff *skb);
+int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
+static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
+{
+ return sk_filter_trim_cap(sk, skb, 1);
+}
struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err);
void bpf_prog_free(struct bpf_prog *fp);
@@ -509,6 +530,7 @@ bool bpf_helper_changes_skb_data(void *func);
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
const struct bpf_insn *patch, u32 len);
+void bpf_warn_invalid_xdp_action(u32 act);
#ifdef CONFIG_BPF_JIT
extern int bpf_jit_enable;