From 68d0150148e75e1f36501e2d6a8d047c2d770520 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Tue, 2 Aug 2022 11:11:41 +0200
Subject: [PATCH] Added value comment.
---
libraries/base/ring/src/vhdl/ring_pkg.vhd | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/libraries/base/ring/src/vhdl/ring_pkg.vhd b/libraries/base/ring/src/vhdl/ring_pkg.vhd
index 41ecf785ce..da55bc2268 100644
--- a/libraries/base/ring/src/vhdl/ring_pkg.vhd
+++ b/libraries/base/ring/src/vhdl/ring_pkg.vhd
@@ -78,8 +78,7 @@ PACKAGE ring_pkg is
( field_name_pad("eth_src_mac" ), "RW", 48, field_default(c_ring_eth_src_mac) ),
( field_name_pad("eth_type" ), "RW", 16, field_default(0) )
);
- CONSTANT c_ring_eth_hdr_field_size : NATURAL := ceil_div(field_slv_len(c_ring_eth_hdr_field_arr), c_longword_w);
-
+ CONSTANT c_ring_eth_hdr_field_size : NATURAL := ceil_div(field_slv_len(c_ring_eth_hdr_field_arr), c_longword_w); -- = 14/8 = 2 longwords
CONSTANT c_ring_dp_nof_hdr_fields : NATURAL := 6;
CONSTANT c_ring_dp_hdr_field_sel : STD_LOGIC_VECTOR(c_ring_dp_nof_hdr_fields-1 DOWNTO 0) := "000"&"000";
@@ -91,7 +90,7 @@ PACKAGE ring_pkg is
( field_name_pad("dp_sync" ), "RW", 1, field_default(0) ),
( field_name_pad("dp_bsn" ), "RW", 63, field_default(0) )
);
- CONSTANT c_ring_dp_hdr_field_size : NATURAL := ceil_div(field_slv_len(c_ring_dp_hdr_field_arr), c_longword_w);
+ CONSTANT c_ring_dp_hdr_field_size : NATURAL := ceil_div(field_slv_len(c_ring_dp_hdr_field_arr), c_longword_w); -- = 24/8 = 3 longwords
FUNCTION func_ring_nof_hops_to_source_rn(hops, this_rn, N_rn, lane_dir : NATURAL) RETURN NATURAL;
FUNCTION func_ring_nof_hops_to_source_rn(hops, this_rn, N_rn : STD_LOGIC_VECTOR; lane_dir : NATURAL) RETURN STD_LOGIC_VECTOR; -- return vector length is same as hops vector length
--
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