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net/tcp: only print the error when disable the TCP_NODELAY 

Since we do not have the Nagle's algorithm,
the TCP_NODELAY socket option is enabled by default.

Change-Id: I0c8619bb06cf418f7eded5bd72ac512b349cacc5
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2021-01-17 11:58:57 +08:00 committed by Gustavo Henrique Nihei
parent 80bfe13b54
commit 83f7c08f65
2 changed files with 32 additions and 4 deletions
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16
net/tcp/tcp_getsockopt.c
View File

@ -139,8 +139,20 @@ int tcp_getsockopt(FAR struct socket *psock, int option,
break;
case TCP_NODELAY: /* Avoid coalescing of small segments. */
nerr("ERROR: TCP_NODELAY not supported\n");
ret = -ENOSYS;
if (*value_len < sizeof(int))
{
ret = -EINVAL;
}
else
{
FAR int *nodelay = (FAR int *)value;
/* Always true here since we do not support Nagle. */
*nodelay = 1;
*value_len = sizeof(int);
ret = OK;
}
break;
case TCP_KEEPIDLE: /* Start keepalives after this IDLE period */

20
net/tcp/tcp_setsockopt.c
View File

@ -133,8 +133,24 @@ int tcp_setsockopt(FAR struct socket *psock, int option,
break;
case TCP_NODELAY: /* Avoid coalescing of small segments. */
nerr("ERROR: TCP_NODELAY not supported\n");
ret = -ENOSYS;
if (value_len != sizeof(int))
{
ret = -EDOM;
}
else
{
int nodelay = *(FAR int *)value;
if (nodelay)
{
ret = OK;
}
else
{
nerr("ERROR: TCP_NODELAY not supported\n");
ret = -ENOSYS;
}
}
break;
case TCP_KEEPIDLE: /* Start keepalives after this IDLE period */