[GitHub] [incubator-nuttx] anchao opened a new pull request #2413: net/tcp: correct the available iobs count if throttle is enabled

[GitBox]

anchao opened a new pull request #2413:
URL: https://github.com/apache/incubator-nuttx/pull/2413


   ## Summary
   net/tcp: correct the available iobs count if throttle is enabled 
   
   The number of available iobs is already sub in iob_navail(true) on line 114
   
   ```
   net/tcp/tcp_recvwindow.c:
   ...
    73 uint16_t tcp_get_recvwindow(FAR struct net_driver_s *dev)
   ...
   114   niob_avail    = iob_navail(true);
   ```
   
   Change-Id: I230927904d8db08ed8d95d7fa18c5c5fce08aa5e
   Signed-off-by: chao.an <anc...@xiaomi.com>
   
   ## Impact
   
   enable CONFIG_IOB_THROTTLE
   
   ## Testing
   
   set the CONFIG_IOB_THROTTLE > 0 and check the window edge
   


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