1 files changed, 155 insertions, 0 deletions

diff --git a/net/atm/pvc.c b/net/atm/pvc.c
new file mode 100644
index 000000000000..2684a92da22b
--- /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);
+}