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arch/netdev: try tcp timer in every txavail call

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In the current implementation, the first transmission of the new
connection handshake is depends entirely by tcp_timer(), which will
caused 0.5s - 1s delay each time in connect().

This patch is mainly to improve the performance of TCP handshake.

Original:

nsh> tcp_client
[    1.536100] TCP connect start.
[    2.000200] TCP connect end. DIFF: tick: 4641, 464ms.
[    3.000300] TCP connect start.
[    4.000400] TCP connect end. DIFF: tick: 10001, 1000ms.
[    5.000500] TCP connect start.
[    6.000600] TCP connect end. DIFF: tick: 10001, 1000ms.
[    7.000700] TCP connect start.
[    8.000800] TCP connect end. DIFF: tick: 10001, 1000ms.

Optimized:

nsh> tcp_client
[    3.263600] TCP connect start.
[    3.263700] TCP connect end. DIFF: tick: 1, 0ms.
[    4.263800] TCP connect start.
[    4.263800] TCP connect end. DIFF: tick: 0, 0ms.
[    5.263900] TCP connect start.
[    5.263900] TCP connect end. DIFF: tick: 0, 0ms.
[    6.264000] TCP connect start.
[    6.264000] TCP connect end. DIFF: tick: 0, 0ms.
[    7.264100] TCP connect start.
[    7.264100] TCP connect end. DIFF: tick: 0, 0ms.

Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an
2020-12-15 20:47:23 +08:00
committed by Masayuki Ishikawa
parent ae5b727580
commit 4a559807a5
30 changed files with 30 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/misoc/src/common/misoc_net.c
+1 -1
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@@ -957,7 +957,7 @@ static void misoc_net_txavail_work(FAR void *arg)
{
/* If so, then poll the network for new XMIT data */
devif_poll(&priv->misoc_net_dev, misoc_net_txpoll);
devif_timer(&priv->misoc_net_dev, 0, misoc_net_txpoll);
}
}