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fpga: rfnoc: Add SV packages for use with RFNoC

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Original-commit: c2b8eb4a88534230ce31dd4d40e4c069644c4d10
This commit is contained in:
Wade Fife
2024-12-17 22:13:42 +01:00
committed by Jörg Hofrichter
parent 48d8e384b6
commit 7e792d4a25
4 changed files with 52 additions and 5 deletions
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lib/rfnoc/core/rfnoc_chdr_utils.vh
+16 -5
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@@ -8,10 +8,10 @@
// CHDR Bitfields
// =============================================================
//
// The Condensed Hierarchical Datagram for RFNoC (CHDR) is
// The Condensed Hierarchical Datagram for RFNoC (CHDR) is
// a protocol that defines the fundamental unit of data transfer
// in an RFNoC network.
//
// in an RFNoC network.
//
// -----------------------
// Header
// -----------------------
@@ -25,7 +25,7 @@
// 47:32 seq_num Sequence number for the packet
// 31:16 length Length of the datagram in bytes
// 15:0 dst_epid Destination Endpoint ID
//
//
// Field: Packet Type
// -----------------------
// 3'd0 Management
@@ -57,6 +57,17 @@ localparam [4:0] CHDR_NO_MDATA = 5'd0;
// EPID
localparam [15:0] NULL_EPID = 16'd0;
// CHDR field lengths
localparam CHDR_VC_W = 6;
localparam CHDR_EOB_W = 1;
localparam CHDR_EOV_W = 1;
localparam CHDR_PKT_TYPE_W = 3;
localparam CHDR_NUM_MDATA_W = 5;
localparam CHDR_SEQ_NUM_W = 16;
localparam CHDR_LENGTH_W = 16;
localparam CHDR_DST_EPID_W = 16;
localparam CHDR_TIMESTAMP_W = 64;
// CHDR Getter Functions
//
function [5:0] chdr_get_vc(input [63:0] header);
@@ -215,7 +226,7 @@ function [63:0] chdr_update_length(
end
mdata_length = chdr_get_num_mdata(base_hdr) * (chdr_w/8);
length = header_length + mdata_length + payload_length;
chdr_update_length = chdr_set_length(base_hdr, length);
end
endfunction