anchao opened a new pull request, #7817:
URL: https://github.com/apache/nuttx/pull/7817
## Summary
risc-v/es32c3: improve passthrough performance by iob offload
Replace the iob offload model to improve passthrough
1. Use iob buffer instead of reserved packet buffer
2. Enable TCP/UDP buffer mode
```
-------------------------------------------------
| Protocol | Server | Client | |
|-----------------------------------------------|
| TCP | 7 | 12 | Mbits/sec |
| TCP(Offload) | 17 | 11 | Mbits/sec |
| UDP | 10 | 16 | Mbits/sec |
| UDP(Offload) | 43 | 28 | Mbits/sec |
-------------------------------------------------
```
Signed-off-by: chao an <anc...@xiaomi.com>
## Impact
N/A
## Testing
./tools/configure.sh esp32c3-devkit/wapi
```
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Orignal
| IOB offload
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TCP client
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
nsh> iperf -c 192.168.1.102 -i 1
| nsh> iperf -c 192.168.1.102 -i 1
IP: 192.168.1.195
| IP: 192.168.1.195
|
mode=tcp-client sip=192.168.1.195:5001,dip=192.168.1.102:5001, interval=1,
time=30 | mode=tcp-client sip=192.168.1.195:5001,dip=192.168.1.102:5001,
interval=1, time=30
|
Interval Transfer Bandwidth
| Interval Transfer Bandwidth
|
0.00- 1.01 sec 1589248 Bytes 12.59 Mbits/sec
| 0.00- 1.02 sec 1343488 Bytes 10.41 Mbits/sec
1.01- 2.02 sec 3129344 Bytes 12.20 Mbits/sec
| 1.02- 2.03 sec 2818048 Bytes 11.68 Mbits/sec
2.02- 3.03 sec 4751360 Bytes 12.85 Mbits/sec
| 2.03- 3.04 sec 4079616 Bytes 9.99 Mbits/sec
3.03- 4.04 sec 6602752 Bytes 14.66 Mbits/sec
| 3.04- 4.05 sec 5537792 Bytes 11.55 Mbits/sec
4.04- 5.05 sec 8437760 Bytes 14.53 Mbits/sec
| 4.05- 5.06 sec 6930432 Bytes 11.03 Mbits/sec
5.05- 6.06 sec 10108928 Bytes 13.24 Mbits/sec
| 5.06- 6.07 sec 8388608 Bytes 11.55 Mbits/sec
6.06- 7.07 sec 11763712 Bytes 13.11 Mbits/sec
| 6.07- 7.08 sec 9732096 Bytes 10.64 Mbits/sec
7.07- 8.08 sec 13402112 Bytes 12.98 Mbits/sec
| 7.08- 8.09 sec 11091968 Bytes 10.77 Mbits/sec
8.08- 9.09 sec 15007744 Bytes 12.72 Mbits/sec
| 8.09- 9.10 sec 12517376 Bytes 11.29 Mbits/sec
9.09- 10.10 sec 16646144 Bytes 12.98 Mbits/sec
| 9.10- 10.11 sec 13828096 Bytes 10.38 Mbits/sec
10.10- 11.11 sec 18300928 Bytes 13.11 Mbits/sec
| 10.11- 11.12 sec 15187968 Bytes 10.77 Mbits/sec
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TCP Server
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
nsh> iperf -s -i 1
| nsh> iperf -s -i 1
IP: 192.168.1.195
| IP: 192.168.1.195
|
mode=tcp-server sip=192.168.1.195:5001,dip=0.0.0.0:5001, interval=1, time=0
| mode=tcp-server sip=192.168.1.195:5001,dip=0.0.0.0:5001, interval=1,
time=0
accept: 192.168.1.102,56028
| accept: 192.168.1.102,35490
|
Interval Transfer Bandwidth
| Interval Transfer Bandwidth
|
0.00- 1.01 sec 619040 Bytes 4.87 Mbits/sec
| 0.00- 1.01 sec 1995820 Bytes 15.81 Mbits/sec
1.01- 2.02 sec 1500880 Bytes 6.98 Mbits/sec
| 1.01- 2.02 sec 3949474 Bytes 15.47 Mbits/sec
2.02- 3.03 sec 2322860 Bytes 6.51 Mbits/sec
| 2.02- 3.03 sec 6039308 Bytes 16.55 Mbits/sec
3.03- 4.04 sec 2982780 Bytes 5.23 Mbits/sec
| 3.03- 4.04 sec 8225640 Bytes 17.32 Mbits/sec
4.04- 5.05 sec 3794540 Bytes 6.43 Mbits/sec
| 4.04- 5.05 sec 10304680 Bytes 16.47 Mbits/sec
5.05- 6.06 sec 4406280 Bytes 4.85 Mbits/sec
| 5.05- 6.06 sec 12614400 Bytes 18.29 Mbits/sec
6.06- 7.07 sec 5086640 Bytes 5.39 Mbits/sec
| 6.06- 7.07 sec 14868640 Bytes 17.86 Mbits/sec
7.07- 8.08 sec 5949500 Bytes 6.83 Mbits/sec
| 7.07- 8.08 sec 16973960 Bytes 16.68 Mbits/sec
8.08- 9.09 sec 6819660 Bytes 6.89 Mbits/sec
| 8.08- 9.09 sec 18922348 Bytes 15.43 Mbits/sec
9.09- 10.10 sec 7679600 Bytes 6.81 Mbits/sec
| 9.09- 10.10 sec 20578700 Bytes 13.12 Mbits/sec
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
UDP Client (Print from Host PC)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
$ iperf -s -i 1 -u -p 5003
| $ iperf -s -i 1 -u -p 5003
------------------------------------------------------------
| ------------------------------------------------------------
Server listening on UDP port 5003
| Server listening on UDP port 5003
Receiving 1470 byte datagrams
| Receiving 1470 byte datagrams
UDP buffer size: 208 KByte (default)
| UDP buffer size: 208 KByte (default)
------------------------------------------------------------
| ------------------------------------------------------------
[ 3] local 192.168.1.102 port 5003 connected with 192.168.1.195 port 6302
| [ 3] local 192.168.1.102 port 5003 connected with 192.168.1.195 port
6084
[ ID] Interval Transfer Bandwidth Jitter Lost/Total
Datagrams | [ ID] Interval Transfer Bandwidth Jitter
Lost/Total Datagrams
[ 3] 0.0- 1.0 sec 1.84 MBytes 15.4 Mbits/sec 0.933 ms 1/ 1310
(0.076%) | [ 3] 0.0- 1.0 sec 3.13 MBytes 26.2 Mbits/sec 0.817 ms
41/ 2272 (1.8%)
[ 3] 1.0- 2.0 sec 1.83 MBytes 15.3 Mbits/sec 1.657 ms 0/ 1302 (0%)
| [ 3] 1.0- 2.0 sec 3.42 MBytes 28.7 Mbits/sec 2.305 ms 0/
2439 (0%)
[ 3] 2.0- 3.0 sec 1.82 MBytes 15.2 Mbits/sec 1.512 ms 0/ 1296 (0%)
| [ 3] 2.0- 3.0 sec 3.08 MBytes 25.8 Mbits/sec 0.845 ms 7/
2202 (0.32%)
[ 3] 3.0- 4.0 sec 1.85 MBytes 15.5 Mbits/sec 0.811 ms 0/ 1317 (0%)
| [ 3] 3.0- 4.0 sec 3.42 MBytes 28.7 Mbits/sec 0.442 ms 0/
2437 (0%)
[ 3] 4.0- 5.0 sec 1.88 MBytes 15.7 Mbits/sec 0.888 ms 0/ 1339 (0%)
| [ 3] 4.0- 5.0 sec 3.44 MBytes 28.8 Mbits/sec 0.582 ms 0/
2451 (0%)
[ 3] 5.0- 6.0 sec 1.79 MBytes 15.0 Mbits/sec 3.519 ms 0/ 1275 (0%)
| [ 3] 5.0- 6.0 sec 3.42 MBytes 28.7 Mbits/sec 0.343 ms 0/
2440 (0%)
[ 3] 6.0- 7.0 sec 1.90 MBytes 15.9 Mbits/sec 0.782 ms 0/ 1355 (0%)
| [ 3] 6.0- 7.0 sec 3.17 MBytes 26.6 Mbits/sec 0.255 ms 0/
2258 (0%)
[ 3] 7.0- 8.0 sec 1.81 MBytes 15.2 Mbits/sec 3.371 ms 5/ 1298
(0.39%) | [ 3] 7.0- 8.0 sec 3.49 MBytes 29.3 Mbits/sec 0.425 ms
0/ 2491 (0%)
[ 3] 8.0- 9.0 sec 1.93 MBytes 16.2 Mbits/sec 0.691 ms 0/ 1376 (0%)
| [ 3] 8.0- 9.0 sec 3.39 MBytes 28.4 Mbits/sec 0.412 ms 0/
2417 (0%)
[ 3] 9.0-10.0 sec 1.82 MBytes 15.2 Mbits/sec 1.571 ms 0/ 1295 (0%)
| [ 3] 9.0-10.0 sec 3.39 MBytes 28.4 Mbits/sec 0.336 ms 0/
2416 (0%)
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
UDP Server
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
nsh> iperf -s -i 1 -u -p 5003
| nsh> iperf -s -i 1 -u
IP: 192.168.1.195
| IP: 192.168.1.195
|
mode=udp-server sip=192.168.1.195:5003,dip=0.0.0.0:5001, interval=1, time=0
| mode=udp-server sip=192.168.1.195:5001,dip=0.0.0.0:5001, interval=1,
time=0
want recv=16384
| want recv=16384
|
Interval Transfer Bandwidth
| Interval Transfer Bandwidth
|
0.00- 1.01 sec 1317120 Bytes 10.39 Mbits/sec
| 0.00- 1.01 sec 5056800 Bytes 40.02 Mbits/sec
1.01- 2.02 sec 1317120 Bytes 0.00 Mbits/sec
| 1.01- 2.02 sec 9831360 Bytes 37.82 Mbits/sec
2.02- 3.03 sec 1317120 Bytes 0.00 Mbits/sec
| 2.02- 3.03 sec 14835240 Bytes 39.63 Mbits/sec
3.03- 4.04 sec 1355340 Bytes 0.30 Mbits/sec
| 3.03- 4.04 sec 20466810 Bytes 44.61 Mbits/sec
4.04- 5.05 sec 1608180 Bytes 2.00 Mbits/sec
| 4.04- 5.05 sec 26036640 Bytes 44.12 Mbits/sec
5.05- 6.06 sec 2940000 Bytes 10.55 Mbits/sec
| 5.05- 6.06 sec 31882830 Bytes 46.31 Mbits/sec
6.06- 7.07 sec 4298280 Bytes 10.76 Mbits/sec
| 6.06- 7.07 sec 36644160 Bytes 37.71 Mbits/sec
7.07- 8.08 sec 5878530 Bytes 12.52 Mbits/sec
| 7.07- 8.08 sec 41822970 Bytes 41.02 Mbits/sec
8.08- 9.09 sec 6911940 Bytes 8.19 Mbits/sec
| 8.08- 9.09 sec 46043340 Bytes 33.43 Mbits/sec
9.09- 10.10 sec 8473080 Bytes 12.37 Mbits/sec
| 9.09- 10.10 sec 50338680 Bytes 34.02 Mbits/sec
|
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
```
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