diff options
Diffstat (limited to 'trafgen_proto.h')
| -rw-r--r-- | trafgen_proto.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/trafgen_proto.h b/trafgen_proto.h index 9716aa2..6cdc51f 100644 --- a/trafgen_proto.h +++ b/trafgen_proto.h @@ -27,6 +27,7 @@ enum proto_layer { PROTO_L4, }; +struct proto_field; struct proto_hdr; struct proto_ops { @@ -35,7 +36,9 @@ struct proto_ops { void (*header_init)(struct proto_hdr *hdr); void (*header_finish)(struct proto_hdr *hdr); + void (*field_changed)(struct proto_field *field); void (*packet_finish)(struct proto_hdr *hdr); + void (*packet_update)(struct proto_hdr *hdr); void (*set_next_proto)(struct proto_hdr *hdr, enum proto_id pid); }; @@ -48,6 +51,10 @@ struct proto_hdr { size_t len; }; +struct proto_field_func { + void (*update_field)(struct proto_field *field); +}; + struct proto_field { uint32_t id; size_t len; @@ -56,6 +63,7 @@ struct proto_field { /* might be negative (e.g. VLAN TPID field) */ int16_t offset; + struct proto_field_func func; bool is_set; uint16_t pkt_offset; struct proto_hdr *hdr; @@ -67,6 +75,8 @@ extern void proto_ops_register(const struct proto_ops *ops); extern struct proto_hdr *proto_header_push(enum proto_id pid); extern void proto_header_finish(struct proto_hdr *hdr); extern void proto_packet_finish(void); +extern void proto_packet_update(uint32_t idx); + extern struct proto_hdr *proto_lower_default_add(struct proto_hdr *hdr, enum proto_id pid); @@ -113,4 +123,9 @@ extern void proto_field_set_default_dev_ipv4(struct proto_hdr *hdr, uint32_t fid extern void proto_field_set_dev_ipv6(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_default_dev_ipv6(struct proto_hdr *hdr, uint32_t fid); +extern void proto_field_dyn_apply(struct proto_field *field); + +extern void proto_field_func_add(struct proto_hdr *hdr, uint32_t fid, + struct proto_field_func *func); + #endif /* TRAFGEN_PROTO_H */ |