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net: Implement SO_RCVBUF and SO_SNDBUF for getsockopt

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-09-17 12:41:55 +08:00 committed by Petro Karashchenko
parent 25d5cd11a1
commit f4812e0a83
1 changed files with 79 additions and 2 deletions
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81
net/socket/getsockopt.c
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@ -34,6 +34,7 @@
#include "socket/socket.h"
#include "tcp/tcp.h"
#include "udp/udp.h"
#include "usrsock/usrsock.h"
#include "utils/utils.h"
#include "can/can.h"
@ -260,14 +261,90 @@ static int psock_socketlevel_option(FAR struct socket *psock, int option,
break;
#endif
#if CONFIG_NET_RECV_BUFSIZE > 0
case SO_RCVBUF: /* Reports receive buffer size */
{
if (*value_len != sizeof(int))
{
return -EINVAL;
}
#if defined(CONFIG_NET_TCP) && !defined(CONFIG_NET_TCP_NO_STACK)
if (psock->s_type == SOCK_STREAM)
{
FAR struct tcp_conn_s *tcp;
tcp = (FAR struct tcp_conn_s *)conn;
*(FAR int *)value = tcp->rcv_bufs;
}
else
#endif
#if defined(CONFIG_NET_UDP) && !defined(CONFIG_NET_UDP_NO_STACK)
if (psock->s_type == SOCK_DGRAM)
{
FAR struct udp_conn_s *udp;
udp = (FAR struct udp_conn_s *)conn;
*(FAR int *)value = udp->rcvbufs;
}
else
#endif
{
return -ENOPROTOOPT;
}
break;
}
#endif
#if CONFIG_NET_SEND_BUFSIZE > 0
case SO_SNDBUF: /* Reports send buffer size */
{
if (*value_len != sizeof(int))
{
return -EINVAL;
}
#if defined(CONFIG_NET_TCP) && !defined(CONFIG_NET_TCP_NO_STACK)
if (psock->s_type == SOCK_STREAM)
{
FAR struct tcp_conn_s *tcp;
tcp = (FAR struct tcp_conn_s *)conn;
*(FAR int *)value = tcp->snd_bufs;
}
else
#endif
#if defined(CONFIG_NET_UDP) && !defined(CONFIG_NET_UDP_NO_STACK)
if (psock->s_type == SOCK_DGRAM)
{
FAR struct udp_conn_s *udp;
udp = (FAR struct udp_conn_s *)conn;
/* Save the send buffer size */
*(FAR int *)value = udp->sndbufs;
}
else
#endif
{
return -ENOPROTOOPT;
}
break;
}
#endif
/* The following are not yet implemented
* (return values other than {0,1})
*/
case SO_LINGER: /* Lingers on a close() if data is present */
case SO_RCVBUF: /* Sets receive buffer size */
case SO_RCVLOWAT: /* Sets the minimum number of bytes to input */
case SO_SNDBUF: /* Sets send buffer size */
case SO_SNDLOWAT: /* Sets the minimum number of bytes to output */
default: