Added value comment.

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