static void mirroring_send(const int mirror_id, uint8_t *pkt_data, const uint32_t length, const uint64_t packet_id) {
RMT_LOG(P4_LOG_LEVEL_VERBOSE,
"Sending coalesced packet of length %u from coalescing session %d\n", length,
mirror_id);
uint8_t *metadata;
phv_data_t *phv = phv_init(0, 0);
fields_set_clone_spec(phv, mirror_id);
fields_set_packet_length(phv, length);
deparser_produce_metadata(phv, &metadata);
free(phv);
// Send to queuing module.
queuing_receive(metadata, NULL, pkt_data, length, packet_id,
PKT_INSTANCE_TYPE_COALESCED);
}
int mirroring_receive(phv_data_t *phv, int *metadata_recirc, void *pkt_data,
int len, uint64_t packet_id,
pkt_instance_type_t instance_type) {
int mirror_id = fields_get_clone_spec(phv);
coalescing_session_t *coalescing_session = get_coalescing_session(mirror_id);
if(NULL != coalescing_session) {
RMT_LOG(P4_LOG_LEVEL_VERBOSE,
"Queuing digest for mirror %d %d\n", mirror_id, *metadata_recirc);
pkt_digest_t *pkt_digest = malloc(sizeof(pkt_digest_t));
pkt_digest->mirror_id = mirror_id;
pkt_digest->length = 0;
deparser_extract_digest(phv, metadata_recirc, pkt_digest->buffer, &(pkt_digest->length));
cb_write(rmt_mirroring_cb, pkt_digest);
}
else if(NULL != get_mirroring_mapping(mirror_id)) {
uint8_t *metadata;
deparser_produce_metadata(phv, &metadata);
//:: if enable_intrinsic:
//:: bytes = 0
//:: for header_instance in ordered_header_instances_non_virtual:
//:: h_info = header_info[header_instance]
//:: is_metadata = h_info["is_metadata"]
//:: if is_metadata: bytes += h_info["byte_width_phv"]
//:: #endfor
uint8_t extracted_metadata[${bytes}];
metadata_extract(extracted_metadata, metadata, NULL); /* NULL ? */
// do not set deflection_flag and dod bits for mirrored packet
metadata_set_deflection_flag(extracted_metadata, 0);
metadata_set_deflect_on_drop(extracted_metadata, 0);
metadata_dump(metadata, extracted_metadata);
//:: #endif
return queuing_receive(metadata, metadata_recirc, pkt_data, len, packet_id,
instance_type);
}
else {
RMT_LOG(P4_LOG_LEVEL_WARN,
"Received packet with invalid mirror id %d\n", mirror_id);
}
free(pkt_data);
free(metadata_recirc);
return 0;
}
int mirroring_receive(phv_data_t *phv, int *metadata_recirc, void *pkt_data,
int len, uint64_t packet_id,
pkt_instance_type_t instance_type) {
int mirror_id = fields_get_clone_spec(phv);
if(NULL != get_mirroring_mapping(mirror_id)) {
uint8_t *metadata;
deparser_produce_metadata(phv, &metadata);
return queuing_receive(metadata, metadata_recirc, pkt_data, len, packet_id,
instance_type);
}
else {
RMT_LOG(P4_LOG_LEVEL_WARN,
"Received packet with invalid mirror id %d\n", mirror_id);
}
free(pkt_data);
free(metadata_recirc);
return 0;
}