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-rw-r--r--include/linux/netfilter/xt_bpf.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/netfilter/xt_bpf.h b/include/linux/netfilter/xt_bpf.h
index 5dda450e..b97725af 100644
--- a/include/linux/netfilter/xt_bpf.h
+++ b/include/linux/netfilter/xt_bpf.h
@@ -2,16 +2,39 @@
#define _XT_BPF_H
#include <linux/filter.h>
+#include <linux/limits.h>
#include <linux/types.h>
#define XT_BPF_MAX_NUM_INSTR 64
+#define XT_BPF_PATH_MAX (XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter))
+
+struct bpf_prog;
struct xt_bpf_info {
__u16 bpf_program_num_elem;
struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
/* only used in the kernel */
- struct sk_filter *filter __attribute__((aligned(8)));
+ struct bpf_prog *filter __attribute__((aligned(8)));
+};
+
+enum xt_bpf_modes {
+ XT_BPF_MODE_BYTECODE,
+ XT_BPF_MODE_FD_PINNED,
+ XT_BPF_MODE_FD_ELF,
+};
+
+struct xt_bpf_info_v1 {
+ __u16 mode;
+ __u16 bpf_program_num_elem;
+ __s32 fd;
+ union {
+ struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR];
+ char path[XT_BPF_PATH_MAX];
+ };
+
+ /* only used in the kernel */
+ struct bpf_prog *filter __attribute__((aligned(8)));
};
#endif /*_XT_BPF_H */