1 files changed, 155 insertions, 0 deletions
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
new file mode 100644
index 0000000..2684a92
--- /dev/null
+++ b/net/atm/pvc.c
@@ -0,0 +1,155 @@
+/* net/atm/pvc.c - ATM PVC sockets */
+
+/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
+
+
+#include <linux/config.h>
+#include <linux/net.h>		/* struct socket, struct proto_ops */
+#include <linux/atm.h>		/* ATM stuff */
+#include <linux/atmdev.h>	/* ATM devices */
+#include <linux/errno.h>	/* error codes */
+#include <linux/kernel.h>	/* printk */
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/bitops.h>
+#include <net/sock.h>		/* for sock_no_* */
+
+#include "resources.h"		/* devs and vccs */
+#include "common.h"		/* common for PVCs and SVCs */
+
+
+static int pvc_shutdown(struct socket *sock,int how)
+{
+	return 0;
+}
+
+
+static int pvc_bind(struct socket *sock,struct sockaddr *sockaddr,
+    int sockaddr_len)
+{
+	struct sock *sk = sock->sk;
+	struct sockaddr_atmpvc *addr;
+	struct atm_vcc *vcc;
+	int error;
+
+	if (sockaddr_len != sizeof(struct sockaddr_atmpvc)) return -EINVAL;
+	addr = (struct sockaddr_atmpvc *) sockaddr;
+	if (addr->sap_family != AF_ATMPVC) return -EAFNOSUPPORT;
+	lock_sock(sk);
+	vcc = ATM_SD(sock);
+	if (!test_bit(ATM_VF_HASQOS, &vcc->flags)) {
+		error = -EBADFD;
+		goto out;
+	}
+	if (test_bit(ATM_VF_PARTIAL,&vcc->flags)) {
+		if (vcc->vpi != ATM_VPI_UNSPEC) addr->sap_addr.vpi = vcc->vpi;
+		if (vcc->vci != ATM_VCI_UNSPEC) addr->sap_addr.vci = vcc->vci;
+	}
+	error = vcc_connect(sock, addr->sap_addr.itf, addr->sap_addr.vpi,
+			    addr->sap_addr.vci);
+out:
+	release_sock(sk);
+	return error;
+}
+
+
+static int pvc_connect(struct socket *sock,struct sockaddr *sockaddr,
+    int sockaddr_len,int flags)
+{
+	return pvc_bind(sock,sockaddr,sockaddr_len);
+}
+
+static int pvc_setsockopt(struct socket *sock, int level, int optname,
+			  char __user *optval, int optlen)
+{
+	struct sock *sk = sock->sk;
+	int error;
+
+	lock_sock(sk);
+	error = vcc_setsockopt(sock, level, optname, optval, optlen);
+	release_sock(sk);
+	return error;
+}
+
+
+static int pvc_getsockopt(struct socket *sock, int level, int optname,
+		          char __user *optval, int __user *optlen)
+{
+	struct sock *sk = sock->sk;
+	int error;
+
+	lock_sock(sk);
+	error = vcc_getsockopt(sock, level, optname, optval, optlen);
+	release_sock(sk);
+	return error;
+}
+
+
+static int pvc_getname(struct socket *sock,struct sockaddr *sockaddr,
+    int *sockaddr_len,int peer)
+{
+	struct sockaddr_atmpvc *addr;
+	struct atm_vcc *vcc = ATM_SD(sock);
+
+	if (!vcc->dev || !test_bit(ATM_VF_ADDR,&vcc->flags)) return -ENOTCONN;
+        *sockaddr_len = sizeof(struct sockaddr_atmpvc);
+	addr = (struct sockaddr_atmpvc *) sockaddr;
+	addr->sap_family = AF_ATMPVC;
+	addr->sap_addr.itf = vcc->dev->number;
+	addr->sap_addr.vpi = vcc->vpi;
+	addr->sap_addr.vci = vcc->vci;
+	return 0;
+}
+
+
+static struct proto_ops pvc_proto_ops = {
+	.family =	PF_ATMPVC,
+	.owner =	THIS_MODULE,
+
+	.release =	vcc_release,
+	.bind =		pvc_bind,
+	.connect =	pvc_connect,
+	.socketpair =	sock_no_socketpair,
+	.accept =	sock_no_accept,
+	.getname =	pvc_getname,
+	.poll =		vcc_poll,
+	.ioctl =	vcc_ioctl,
+	.listen =	sock_no_listen,
+	.shutdown =	pvc_shutdown,
+	.setsockopt =	pvc_setsockopt,
+	.getsockopt =	pvc_getsockopt,
+	.sendmsg =	vcc_sendmsg,
+	.recvmsg =	vcc_recvmsg,
+	.mmap =		sock_no_mmap,
+	.sendpage =	sock_no_sendpage,
+};
+
+
+static int pvc_create(struct socket *sock,int protocol)
+{
+	sock->ops = &pvc_proto_ops;
+	return vcc_create(sock, protocol, PF_ATMPVC);
+}
+
+
+static struct net_proto_family pvc_family_ops = {
+	.family = PF_ATMPVC,
+	.create = pvc_create,
+	.owner = THIS_MODULE,
+};
+
+
+/*
+ *	Initialize the ATM PVC protocol family
+ */
+
+
+int __init atmpvc_init(void)
+{
+	return sock_register(&pvc_family_ops);
+}
+
+void atmpvc_exit(void)
+{
+	sock_unregister(PF_ATMPVC);
+}