#ifndef TRAFGEN_PROTO_H #define TRAFGEN_PROTO_H #include #include #include struct proto_ctx { const char *dev; }; enum proto_id { PROTO_NONE, PROTO_ETH, PROTO_VLAN, PROTO_ARP, PROTO_MPLS, PROTO_IP4, PROTO_ICMP4, PROTO_IP6, PROTO_ICMP6, PROTO_UDP, PROTO_TCP, }; enum proto_layer { PROTO_L0, /* invalid layer */ PROTO_L2, PROTO_L3, PROTO_L4, }; struct proto_hdr; struct proto_field { uint32_t id; size_t len; uint32_t shift; uint32_t mask; /* might be negative (e.g. VLAN TPID field) */ int16_t offset; bool is_set; uint16_t pkt_offset; struct proto_hdr *hdr; }; struct proto_hdr { enum proto_id id; enum proto_layer layer; struct proto_hdr *next; struct proto_ctx *ctx; uint16_t pkt_offset; uint32_t pkt_id; struct proto_field *fields; size_t fields_count; size_t len; void (*header_init)(struct proto_hdr *hdr); void (*header_finish)(struct proto_hdr *hdr); void (*packet_finish)(struct proto_hdr *hdr); void (*set_next_proto)(struct proto_hdr *hdr, enum proto_id pid); }; extern void protos_init(const char *dev); extern void proto_header_register(struct proto_hdr *hdr); extern struct proto_hdr *proto_header_init(enum proto_id pid); extern void proto_header_finish(struct proto_hdr *hdr); extern void proto_packet_finish(void); extern struct proto_hdr *proto_lower_default_add(struct proto_hdr *hdr, enum proto_id pid); extern struct proto_hdr *proto_lower_header(struct proto_hdr *hdr); extern uint8_t *proto_header_ptr(struct proto_hdr *hdr); extern void proto_header_fields_add(struct proto_hdr *hdr, const struct proto_field *fields, size_t count); extern bool proto_field_is_set(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_bytes(struct proto_hdr *hdr, uint32_t fid, uint8_t *bytes); extern void proto_field_set_u8(struct proto_hdr *hdr, uint32_t fid, uint8_t val); extern uint8_t proto_field_get_u8(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_u16(struct proto_hdr *hdr, uint32_t fid, uint16_t val); extern uint16_t proto_field_get_u16(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_u32(struct proto_hdr *hdr, uint32_t fid, uint32_t val); extern uint32_t proto_field_get_u32(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_default_bytes(struct proto_hdr *hdr, uint32_t fid, uint8_t *bytes); extern void proto_field_set_default_u8(struct proto_hdr *hdr, uint32_t fid, uint8_t val); extern void proto_field_set_default_u16(struct proto_hdr *hdr, uint32_t fid, uint16_t val); extern void proto_field_set_default_u32(struct proto_hdr *hdr, uint32_t fid, uint32_t val); extern void proto_field_set_be16(struct proto_hdr *hdr, uint32_t fid, uint16_t val); extern void proto_field_set_be32(struct proto_hdr *hdr, uint32_t fid, uint32_t val); extern void proto_field_set_default_be16(struct proto_hdr *hdr, uint32_t fid, uint16_t val); extern void proto_field_set_default_be32(struct proto_hdr *hdr, uint32_t fid, uint32_t val); extern void proto_field_set_dev_mac(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_default_dev_mac(struct proto_hdr *hdr, uint32_t fid); extern void proto_field_set_dev_ipv4(struct proto_hdr *hdr, uint32_t fid); 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); #endif /* TRAFGEN_PROTO_H */ e2fb67161f249b372a87d1d9899d8b087c8e&showmsg=1'>Expand)AuthorFilesLines