CONSTANTc_hdr_field_id_ovr_init:STD_LOGIC_VECTOR(c_nof_id_fields-1DOWNTO0):="110010";-- MM controlled: marker byte, format version, reserved. From data path: beamlet+channel index and timestamp.
CONSTANTc_hdr_field_flags_ovr_init:STD_LOGIC_VECTOR(c_nof_flags_per_input-1DOWNTO0):="11111100";-- Flag fields 7..2 are MM controlled, fields 1..0 come from the data path.
-- CONSTANT c_hdr_field_flags_ovr_init : STD_LOGIC_VECTOR(c_nof_flags_per_input-1 DOWNTO 0) := "11111100"; -- Flag fields 7..2 are MM controlled, fields 1..0 come from the data path. --FIXME
CONSTANTc_hdr_field_flags_ovr_init:STD_LOGIC_VECTOR(c_nof_flags_per_input-1DOWNTO0):="1";-- All 8 flags combined in one register for now.
CONSTANTc_hdr_field_ovr_init:STD_LOGIC_VECTOR(c_nof_hdr_fields-1DOWNTO0):="1101"&-- Eth header fields
"111011111101"&-- IP header fields
"1101"&-- UDP header fields
CONSTANTc_hdr_field_ovr_init:STD_LOGIC_VECTOR(c_nof_hdr_fields-1DOWNTO0):="1101"&-- Eth header fields: eth_src_mac from data path (others use MM default value).
"111011111101"&-- IP header fields: ip_total_length* and ip_src_addr from data path (others use MM default value).
"1101"&-- UDP header fields: udp_total_length* from data path. *Length fields inserted by dp_offload_tx