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Commit f6acd86f authored by Eric Kooistra's avatar Eric Kooistra
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Added g_fast_mm_clk, g_nof_sync. Use rx_offload.sync because it is available.

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1 merge request!241Use dp_sop instead of mm_done and explained why. This makes the code for...
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applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
+ 60
− 60
View file @ f6acd86f
......@@ -32,7 +32,7 @@
-- Usage:
-- > as 8
-- > run -a
-- . for header: view test_offload_sosi and the rx_sdp_stat_header.app fields
-- . for header: view rx_offload_sosi and the rx_sdp_stat_header.app fields
-- . for payload: view rx_val, rx_data and exp_data
-------------------------------------------------------------------------------
......@@ -54,17 +54,20 @@ USE work.tb_sdp_pkg.ALL;
ENTITY tb_sdp_statistics_offload IS
GENERIC (
-- All
g_fast_mm_clk : BOOLEAN := TRUE; -- When TRUE use 1 GHz mm_clk to speed up simulation, else use 100 MHz mm_clk
-- for real speed of u_dp_block_from_mm_dc in sdp_statistics_offload
g_statistics_type : STRING := "XST";
g_offload_time : NATURAL := 50;
g_reverse_word_order : BOOLEAN := TRUE; -- when TRUE then stream LSB word after MSB word.
g_gn_index : NATURAL := 4; -- global node (GN) index, must be in range(O_rn, O_rn + N_rn), use > 0 to see effect of g_offload_time
g_nof_sync : NATURAL := 3; -- simulate some sync periods, choose >= 3
-- BST
g_beamset_id : NATURAL := 0; -- < c_sdp_N_beamsets
-- XST
g_O_rn : NATURAL := 0; -- GN index of first ring node (RN)
g_N_rn : NATURAL := 8; -- <= c_sdp_N_rn_max = 16, number of nodes in ring
g_P_sq : NATURAL := 9; -- <= c_sdp_P_sq, nof available correlator cells
g_nof_crosslets : NATURAL := 1; -- <= c_sdp_N_crosslets_max
g_nof_crosslets : NATURAL := 4; -- <= c_sdp_N_crosslets_max
g_crosslets_direction : NATURAL := 1 -- > 0 for crosslet transport in positive direction (incrementing RN), else 0 for negative direction
);
END tb_sdp_statistics_offload;
......@@ -72,7 +75,8 @@ END tb_sdp_statistics_offload;
ARCHITECTURE tb OF tb_sdp_statistics_offload IS
CONSTANT c_dp_clk_period : TIME := 5 ns; -- 200 MHz
CONSTANT c_mm_clk_period : TIME := 1 ns; -- 1 GHz to speed up simulation
CONSTANT c_mm_clk_period : TIME := sel_a_b(g_fast_mm_clk, 1 , 10) * 1 ns;
CONSTANT c_mm_dp_clk_ratio : NATURAL := sel_a_b(c_mm_clk_period > c_dp_clk_period, c_mm_clk_period / c_dp_clk_period, 1);
CONSTANT c_cross_clock_domain_latency : NATURAL := 20;
......@@ -112,7 +116,8 @@ ARCHITECTURE tb OF tb_sdp_statistics_offload IS
CONSTANT c_beamlet_index : NATURAL := g_beamset_id * c_sdp_S_sub_bf;
CONSTANT c_crosslets_info_rec : t_sdp_crosslets_info := (offset_arr => (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), step => 16);
--CONSTANT c_crosslets_info_rec : t_sdp_crosslets_info := (offset_arr => (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), step => 16);
CONSTANT c_crosslets_info_rec : t_sdp_crosslets_info := (offset_arr => (0, 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 17), step => 7);
CONSTANT c_crosslets_info_slv : STD_LOGIC_VECTOR(c_sdp_crosslets_info_reg_w-1 DOWNTO 0) := func_sdp_map_crosslets_info(c_crosslets_info_rec);
-- Crosslets settings
......@@ -143,10 +148,9 @@ ARCHITECTURE tb OF tb_sdp_statistics_offload IS
-- Define block timing.
CONSTANT c_bsn_init : NATURAL := 0;
-- Sufficient c_nof_block_per_sync to fit more than c_nof_packets_max offload packets per sync interval.
CONSTANT c_nof_block_per_sync : NATURAL := 3 + ceil_div(c_offload_time, c_packet_size) + c_nof_packets_max;
CONSTANT c_nof_block_per_sync : NATURAL := 3 + c_mm_dp_clk_ratio * (ceil_div(c_offload_time, c_packet_size) + c_nof_packets_max);
CONSTANT c_nof_clk_per_block : NATURAL := c_packet_size;
CONSTANT c_nof_clk_per_sync : NATURAL := c_nof_block_per_sync * c_nof_clk_per_block;
CONSTANT c_nof_sync : NATURAL := 3;
SIGNAL tb_end : STD_LOGIC := '0';
......@@ -172,15 +176,15 @@ ARCHITECTURE tb OF tb_sdp_statistics_offload IS
SIGNAL in_crosslets_info_rec : t_sdp_crosslets_info;
SIGNAL in_crosslets_info_slv : STD_LOGIC_VECTOR(c_sdp_crosslets_info_reg_w-1 DOWNTO 0);
SIGNAL offload_data : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- 32 bit
SIGNAL offload_sosi : t_dp_sosi;
SIGNAL offload_siso : t_dp_siso := c_dp_siso_rst;
SIGNAL sdp_offload_data : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- 32 bit
SIGNAL sdp_offload_sosi : t_dp_sosi;
SIGNAL sdp_offload_siso : t_dp_siso := c_dp_siso_rst;
SIGNAL test_offload_en : STD_LOGIC := '0';
SIGNAL test_offload_data : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- 32 bit
SIGNAL test_offload_sosi : t_dp_sosi := c_dp_sosi_rst;
SIGNAL test_offload_sop_cnt : NATURAL := 0;
SIGNAL test_offload_eop_cnt : NATURAL := 0;
SIGNAL rx_offload_en : STD_LOGIC := '0';
SIGNAL rx_offload_data : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- 32 bit
SIGNAL rx_offload_sosi : t_dp_sosi := c_dp_sosi_rst;
SIGNAL rx_offload_sop_cnt : NATURAL := 0;
SIGNAL rx_offload_eop_cnt : NATURAL := 0;
SIGNAL rx_hdr_fields_out : STD_LOGIC_VECTOR(1023 DOWNTO 0);
SIGNAL rx_hdr_fields_raw : STD_LOGIC_VECTOR(1023 DOWNTO 0) := (OTHERS => '0');
......@@ -213,13 +217,12 @@ ARCHITECTURE tb OF tb_sdp_statistics_offload IS
SIGNAL ram_wr_en : STD_LOGIC;
SIGNAL init_ram_done : STD_LOGIC := '0';
SIGNAL in_sync_cnt : NATURAL := 0;
SIGNAL test_sync_cnt : INTEGER := 0;
SIGNAL rx_sync_cnt : INTEGER := 0;
SIGNAL rx_packet_cnt : NATURAL := 0;
SIGNAL rx_valid_cnt : NATURAL := 0;
-- Debug signals, to view in Wave window
SIGNAL dbg_c_mm_dp_clk_ratio : NATURAL := c_mm_dp_clk_ratio;
SIGNAL dbg_c_nof_statistics_per_packet : NATURAL := c_nof_statistics_per_packet;
SIGNAL dbg_c_udp_total_length : NATURAL := c_udp_total_length;
SIGNAL dbg_c_ip_total_length : NATURAL := c_ip_total_length;
......@@ -251,7 +254,7 @@ BEGIN
mm_rst <= '1', '0' AFTER c_mm_clk_period*7;
mm_clk <= (NOT mm_clk) OR tb_end AFTER c_mm_clk_period/2;
-- Fill ram with data, data is same as address number.
-- Fill statistics RAM with data, data is same as address number.
p_mm_statistics_ram : PROCESS
BEGIN
ram_wr_en <= '0';
......@@ -271,10 +274,10 @@ BEGIN
WAIT;
END PROCESS;
-- Start the input
-- Start the input when statistics RAM is initialized
p_in_sosi : PROCESS
BEGIN
proc_common_wait_until_low(dp_clk, dp_rst);
proc_common_wait_until_high(mm_clk, init_ram_done);
proc_common_wait_some_cycles(dp_clk, 10);
in_sosi.bsn <= TO_DP_BSN(c_bsn_init);
in_sosi.valid <= '1';
......@@ -311,12 +314,14 @@ BEGIN
-- Enable the statistics offload when input is running
p_enable_trigger : PROCESS
BEGIN
proc_common_wait_until_high(mm_clk, init_ram_done);
-- Wait at least one sync interval, so that DUT can have measured the integration_interval
proc_common_wait_until_hi_lo(dp_clk, in_sosi.sync);
proc_common_wait_some_cycles(mm_clk, 10);
-- Enable common variable delay.
proc_mem_mm_bus_wr(c_reg_enable_mm_addr_enable, 1, mm_clk, enable_miso, enable_mosi);
proc_common_wait_some_cycles(mm_clk, c_cross_clock_domain_latency);
proc_common_wait_some_cycles(dp_clk, 1);
test_offload_en <= '1';
rx_offload_en <= '1';
WAIT;
END PROCESS;
......@@ -324,41 +329,39 @@ BEGIN
p_test_counters : PROCESS(dp_clk)
BEGIN
IF rising_edge(dp_clk) THEN
-- Count test_offload_sosi packets
IF test_offload_sosi.sop = '1' THEN
test_offload_sop_cnt <= test_offload_sop_cnt + 1; -- early count
-- Count rx_offload_sosi packets
IF rx_offload_sosi.sop = '1' THEN
rx_offload_sop_cnt <= rx_offload_sop_cnt + 1; -- early count
END IF;
IF test_offload_sosi.eop = '1' THEN
test_offload_eop_cnt <= test_offload_eop_cnt + 1; -- after count
IF rx_offload_sosi.eop = '1' THEN
rx_offload_eop_cnt <= rx_offload_eop_cnt + 1; -- after count
END IF;
END IF;
END PROCESS;
-- Count sync intervals using in_sosi.sync, because there is no test_offload_sosi.sync
in_sync_cnt <= in_sync_cnt + 1 WHEN rising_edge(dp_clk) AND in_sosi.sync = '1';
test_sync_cnt <= in_sync_cnt - 1; -- optionally adjust to fit test_offload_sosi
rx_sync_cnt <= rx_sync_cnt + 1 WHEN rising_edge(dp_clk) AND rx_offload_sosi.sync = '1';
-- derive current X_sq correlator cell index
cur_X_sq_cell <= (test_offload_eop_cnt / g_nof_crosslets) MOD c_nof_used_P_sq;
cur_X_sq_cell <= (rx_offload_eop_cnt / g_nof_crosslets) MOD c_nof_used_P_sq;
-- derive current N_crosslets index index
cur_crosslet <= test_offload_eop_cnt MOD g_nof_crosslets;
cur_crosslet <= rx_offload_eop_cnt MOD g_nof_crosslets;
-- derive source RN index
source_rn <= func_ring_nof_hops_to_source_rn(cur_X_sq_cell, rn_index, g_N_rn, g_crosslets_direction);
source_gn <= g_O_rn + source_rn;
-- Prepare exp_sdp_stat_header before test_offload_sosi.eop, so that p_exp_sdp_stat_header can
-- verify it at test_offload_sosi.eop.
-- Prepare exp_sdp_stat_header before rx_offload_sosi.eop, so that p_exp_sdp_stat_header can
-- verify it at rx_offload_sosi.eop.
-- For all statistics
exp_dp_bsn <= TO_SVEC(c_bsn_init + 1 + test_sync_cnt * c_nof_block_per_sync, 64);
exp_dp_bsn <= TO_SVEC(c_bsn_init + 1 + rx_sync_cnt * c_nof_block_per_sync, 64);
-- SST
exp_sst_signal_input <= rx_packet_cnt + c_sdp_S_pn * gn_index;
-- BST
exp_bst_beamlet_index <= c_beamlet_index;
-- XST
-- . prepare expected XST subband_index
exp_subband_index <= (c_crosslets_info_rec.offset_arr(cur_crosslet) + test_sync_cnt * c_crosslets_info_rec.step) MOD c_sdp_N_sub;
exp_subband_index <= (c_crosslets_info_rec.offset_arr(cur_crosslet) + rx_sync_cnt * c_crosslets_info_rec.step) MOD c_sdp_N_sub;
-- . prepare expected XST signal_input_A index
exp_xst_signal_input_A <= (gn_index MOD c_sdp_N_pn_max) * c_sdp_S_pn;
......@@ -433,25 +436,22 @@ BEGIN
rx_sdp_stat_header <= func_sdp_map_stat_header(rx_hdr_fields_raw);
p_verify_header : PROCESS(test_offload_sosi)
p_verify_header : PROCESS(rx_offload_sosi)
VARIABLE v_bool : BOOLEAN;
BEGIN
-- Prepare exp_sdp_stat_header before test_offload_sosi.eop, so that it can be verified at test_offload_sosi.eop
IF test_offload_sosi.eop = '1' THEN
-- Prepare exp_sdp_stat_header before rx_offload_sosi.eop, so that it can be verified at rx_offload_sosi.eop
IF rx_offload_sosi.eop = '1' THEN
v_bool := func_sdp_verify_stat_header(g_statistics_type, rx_sdp_stat_header, exp_sdp_stat_header);
END IF;
END PROCESS;
-- Count number of packets in a sync interval.
-- There is no active test_offload_sosi.sync to restart the count, therefore
-- use in_sosi.sync to reset the count for the next test_offload_sosi.sync
-- interval
p_rx_packet_cnt : PROCESS(dp_clk)
BEGIN
IF rising_edge(dp_clk) THEN
IF in_sosi.sync = '1' THEN
IF rx_offload_sosi.sync = '1' THEN
rx_packet_cnt <= 0;
ELSIF test_offload_sosi.eop = '1' THEN
ELSIF rx_offload_sosi.eop = '1' THEN
rx_packet_cnt <= rx_packet_cnt + 1;
END IF;
END IF;
......@@ -461,7 +461,7 @@ BEGIN
p_verify_nof_packets : PROCESS(dp_clk)
BEGIN
IF rising_edge(dp_clk) THEN
IF in_sosi.sync = '1' AND in_sync_cnt > 1 THEN
IF rx_offload_sosi.sync = '1' AND rx_sync_cnt > 1 THEN
ASSERT rx_packet_cnt = c_rx_nof_packets REPORT "Wrong number of packets per sync interval" SEVERITY ERROR;
END IF;
END IF;
......@@ -470,10 +470,10 @@ BEGIN
p_verify_nof_valid_per_packet : PROCESS(dp_clk)
BEGIN
IF rising_edge(dp_clk) THEN
IF test_offload_sosi.eop = '1' THEN
IF rx_offload_sosi.eop = '1' THEN
rx_valid_cnt <= 0;
ASSERT rx_valid_cnt = c_packet_size - 1 REPORT "Wrong number of valid per packet" SEVERITY ERROR;
ELSIF test_offload_sosi.valid = '1' THEN
ELSIF rx_offload_sosi.valid = '1' THEN
rx_valid_cnt <= rx_valid_cnt + 1;
END IF;
END IF;
......@@ -493,8 +493,8 @@ BEGIN
BEGIN
IF rising_edge(dp_clk) THEN
rx_val <= '0';
v_rx_data := TO_UINT(test_offload_sosi.data);
IF test_offload_sosi.valid = '1' THEN
v_rx_data := TO_UINT(rx_offload_sosi.data);
IF rx_offload_sosi.valid = '1' THEN
IF g_statistics_type = "SST" THEN
-- Indices:
-- W: 0 1 2 3 4 5 ... 1022 1023
......@@ -517,7 +517,7 @@ BEGIN
-- c_mm_data_size / c_sdp_W_statistic_sz = 1
U := S; -- range c_sdp_N_sub = 512 SST values
I := W MOD c_mm_user_size; -- range c_mm_user_size = c_sdp_W_statistic_sz = 2 words
P := rx_packet_cnt; -- range c_nof_packets_max = 12 = c_sdp_S_pn Packets
P := rx_packet_cnt MOD c_rx_nof_packets; -- range c_nof_packets_max = 12 = c_sdp_S_pn packets
J := P MOD c_mm_nof_step; -- range c_mm_nof_step = 2 = c_sdp_Q_fft
v_exp_data := S * 4; -- due to c_mm_step_size = 4 = c_sdp_W_statistic_sz * c_sdp_Q_fft;
......@@ -548,7 +548,7 @@ BEGIN
-- c_mm_data_size / c_sdp_W_statistic_sz = 2 = c_sdp_N_pol_bf
B := D; -- range c_sdp_S_sub_bf = 488 dual polarization BST values
I := W MOD c_mm_user_size; -- range c_mm_user_size = c_sdp_W_statistic_sz = 2 words
P := rx_packet_cnt; -- range c_nof_packets_max = 1
P := rx_packet_cnt MOD c_rx_nof_packets; -- range c_nof_packets_max = 1 packet
v_exp_data := S * c_mm_user_size; -- c_mm_user_size = 2
IF g_reverse_word_order = FALSE THEN
......@@ -589,7 +589,7 @@ BEGIN
-- c_mm_data_size / c_sdp_W_statistic_sz = 2 = c_nof_complex
X := D; -- range c_sdp_X_sq = 144 complex XST values
I := W MOD c_mm_user_size; -- range c_mm_user_size = c_sdp_W_statistic_sz = 2 words
P := rx_packet_cnt; -- range c_rx_nof_packets
P := rx_packet_cnt MOD c_rx_nof_packets; -- range c_nof_packets_max = c_nof_used_P_sq * g_nof_crosslets packets
J := P MOD g_nof_crosslets; -- range g_nof_crosslets
K := P / g_nof_crosslets; -- range c_nof_used_P_sq
......@@ -615,7 +615,7 @@ BEGIN
p_dp_end : PROCESS
BEGIN
proc_common_wait_until_high(mm_clk, init_ram_done);
proc_common_wait_some_cycles(dp_clk, c_nof_sync * c_nof_clk_per_sync); -- will show some sync periods
proc_common_wait_some_cycles(dp_clk, g_nof_sync * c_nof_clk_per_sync); -- will show some sync periods
tb_end <= '1';
WAIT;
END PROCESS;
......@@ -659,10 +659,10 @@ BEGIN
reg_hdr_dat_mosi => offload_rx_hdr_dat_mosi,
reg_hdr_dat_miso => offload_rx_hdr_dat_miso,
snk_in_arr(0) => offload_sosi,
snk_out_arr(0) => offload_siso,
snk_in_arr(0) => sdp_offload_sosi,
snk_out_arr(0) => sdp_offload_siso,
src_out_arr(0) => test_offload_sosi,
src_out_arr(0) => rx_offload_sosi,
hdr_fields_out_arr(0) => rx_hdr_fields_out,
hdr_fields_raw_arr(0) => rx_hdr_fields_raw
......@@ -697,8 +697,8 @@ BEGIN
-- ST
in_sosi => in_sosi,
out_sosi => offload_sosi,
out_siso => offload_siso,
out_sosi => sdp_offload_sosi,
out_siso => sdp_offload_siso,
-- Inputs from other blocks
eth_src_mac => c_eth_src_mac,
......@@ -717,7 +717,7 @@ BEGIN
ASSERT c_crosslets_info_rec = func_sdp_map_crosslets_info(c_crosslets_info_slv) REPORT "Error in func_sdp_map_crosslets_info()" SEVERITY FAILURE;
-- To view the 32 bit 1GbE offload data more easily in the Wave window
offload_data <= offload_sosi.data(c_word_w-1 DOWNTO 0);
test_offload_data <= test_offload_sosi.data(c_word_w-1 DOWNTO 0);
sdp_offload_data <= sdp_offload_sosi.data(c_word_w-1 DOWNTO 0);
rx_offload_data <= rx_offload_sosi.data(c_word_w-1 DOWNTO 0);
END tb;
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