zhhyu7 opened a new pull request, #17555:
URL: https://github.com/apache/nuttx/pull/17555
## Summary
TCP_CORK and TCP_NODELAY behave almost exactly the opposite, so first
provide simple support for TCP_CORK.
## Impact
tcp/setsockopt and getsockopt.
## Testing
sim:matter with below code:
```
#include <nuttx/config.h>
#include <string.h>
#include <stdio.h>
#include <netinet/tcp.h>
#include <sys/socket.h>
#include <netinet/in.h>
int main(int argc, FAR char *argv[])
{
int fd;
int res;
int value = atoi(argv[1]);
fd = socket(AF_INET, SOCK_STREAM, 0);
if (fd < 0)
{
perror("Failed to open socket");
return -1;
}
res = setsockopt(fd, SOL_TCP, TCP_CORK, &value, sizeof(value));
if (res < 0)
{
perror("Couldn't set TCP_CORK option");
}
else
{
printf("Successfully set TCP_CORK option\n");
}
close(fd);
return res;
}
```
NuttX log:
```
NuttShell (NSH) NuttX-12.11.0
MOTD: username=admin password=Administrator
nsh> hello 0
Successfully set TCP_CORK option
nsh> hello 1
tcp_setsockopt: ERROR: TCP_CORK not supported
Couldn't set TCP_CORK option: Error 38
nsh>
```
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