diff options
Diffstat (limited to 'include/payload.h')
| -rw-r--r-- | include/payload.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/include/payload.h b/include/payload.h index a914d239..08e45f7f 100644 --- a/include/payload.h +++ b/include/payload.h @@ -15,6 +15,11 @@ struct eval_ctx; struct stmt; extern int payload_gen_dependency(struct eval_ctx *ctx, const struct expr *expr, struct stmt **res); +int payload_gen_inner_dependency(struct eval_ctx *ctx, const struct expr *expr, + struct stmt **res); +extern int payload_gen_icmp_dependency(struct eval_ctx *ctx, + const struct expr *expr, + struct stmt **res); extern int exthdr_gen_dependency(struct eval_ctx *ctx, const struct expr *expr, const struct proto_desc *dependency, enum proto_bases pb, struct stmt **res); @@ -22,14 +27,14 @@ extern int exthdr_gen_dependency(struct eval_ctx *ctx, const struct expr *expr, /** * struct payload_dep_ctx - payload protocol dependency tracking * - * @pbase: protocol base of last dependency match - * @pdep: last dependency match + * @icmp_type: extra info for icmp(6) decoding * @prev: previous statement + * @pdeps: last dependency match per protocol layer */ struct payload_dep_ctx { - enum proto_bases pbase; - struct stmt *pdep; - struct stmt *prev; + uint8_t icmp_type; + struct stmt *prev; + struct stmt *pdeps[PROTO_BASE_MAX + 1]; }; extern bool payload_is_known(const struct expr *expr); @@ -42,7 +47,10 @@ extern void payload_dependency_store(struct payload_dep_ctx *ctx, enum proto_bases base); extern bool payload_dependency_exists(const struct payload_dep_ctx *ctx, enum proto_bases base); -extern void payload_dependency_release(struct payload_dep_ctx *ctx); +extern struct expr *payload_dependency_get(struct payload_dep_ctx *ctx, + enum proto_bases base); +extern void payload_dependency_release(struct payload_dep_ctx *ctx, + enum proto_bases base); extern void payload_dependency_kill(struct payload_dep_ctx *ctx, struct expr *expr, unsigned int family); extern void exthdr_dependency_kill(struct payload_dep_ctx *ctx, @@ -61,4 +69,6 @@ extern void payload_expr_complete(struct expr *expr, bool payload_expr_cmp(const struct expr *e1, const struct expr *e2); +const struct proto_desc *find_proto_desc(const struct nftnl_udata *ud); + #endif /* NFTABLES_PAYLOAD_H */ |