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Add user-space networking stack API (usrsock)

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User-space networking stack API allows user-space daemon to
provide TCP/IP stack implementation for NuttX network.

Main use for this is to allow use and seamless integration of
HW-provided TCP/IP stacks to NuttX.

For example, user-space daemon can translate /dev/usrsock
API requests to HW TCP/IP API requests while rest of the
user-space can access standard socket API, with socket
descriptors that can be used with NuttX system calls.
This commit is contained in:
Jussi Kivilinna
2017-03-31 08:58:14 -06:00
committed by Gregory Nutt
parent c999519bf2
commit cd3c9634c8
51 changed files with 6283 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/socket/send.c
+33 -1
View File
@@ -51,6 +51,7 @@
#include "sixlowpan/sixlowpan.h"
#include "local/local.h"
#include "socket/socket.h"
#include "usrsock/usrsock.h"
/****************************************************************************
* Public Functions
@@ -168,9 +169,14 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
#ifdef CONFIG_NETDEV_MULTINIC
if (ret < 0)
{
/* UDP/IP packet send */
/* TCP/IP packet send */
ret = psock_tcp_send(psock, buf, len);
#ifdef NET_TCP_HAVE_STACK
ret = psock_tcp_send(psock, buf, len);
#else
ret = -ENOSYS;
#endif
}
#endif /* CONFIG_NETDEV_MULTINIC */
@@ -178,7 +184,11 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
/* Only TCP/IP packet send */
#ifdef NET_TCP_HAVE_STACK
ret = psock_tcp_send(psock, buf, len);
#else
ret = -ENOSYS;
#endif
#endif /* CONFIG_NET_6LOWPAN */
}
#endif /* CONFIG_NET_TCP */
@@ -216,6 +226,11 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
/* UDP/IP packet send */
ret = psock_udp_send(psock, buf, len);
#ifdef NET_UDP_HAVE_STACK
ret = psock_udp_send(psock, buf, len);
#else
ret = -ENOSYS;
#endif
}
#endif /* CONFIG_NETDEV_MULTINIC */
@@ -223,7 +238,11 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
/* Only UDP/IP packet send */
#ifdef NET_UDP_HAVE_STACK
ret = psock_udp_send(psock, buf, len);
#else
ret = -ENOSYS;
#endif
#endif /* CONFIG_NET_6LOWPAN */
}
#endif /* CONFIG_NET_UDP */
@@ -231,6 +250,14 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
break;
#endif /* CONFIG_NET_UDP */
#ifdef CONFIG_NET_USRSOCK
case SOCK_USRSOCK_TYPE:
{
ret = usrsock_sendto(psock, buf, len, NULL, 0);
}
break;
#endif /*CONFIG_NET_USRSOCK*/
default:
{
/* EDESTADDRREQ. Signifies that the socket is not connection-mode
@@ -243,6 +270,11 @@ ssize_t psock_send(FAR struct socket *psock, FAR const void *buf, size_t len,
}
leave_cancellation_point();
if (ret < 0)
{
set_errno(-ret);
ret = ERROR;
}
return ret;
}