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#ifndef NFTABLES_META_H
#define NFTABLES_META_H
/**
* struct meta_template - template for meta expressions and statements
*
* @token: parser token for the expression
* @dtype: data type of the expression
* @len: length of the expression
* @byteorder: byteorder
*/
struct meta_template {
const char *token;
const struct datatype *dtype;
enum byteorder byteorder;
unsigned int len;
};
#define META_TEMPLATE(__token, __dtype, __len, __byteorder) { \
.token = (__token), \
.dtype = (__dtype), \
.len = (__len), \
.byteorder = (__byteorder), \
}
extern struct expr *meta_expr_alloc(const struct location *loc,
enum nft_meta_keys key);
extern void meta_expr_pctx_update(struct proto_ctx *ctx,
const struct expr *expr);
#endif /* NFTABLES_META_H */
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