Release 4.8 net/atm/pvc.c
/* net/atm/pvc.c - ATM PVC sockets */
/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
#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 <linux/export.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;
}
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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;
}
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static int pvc_connect(struct socket *sock, struct sockaddr *sockaddr,
int sockaddr_len, int flags)
{
return pvc_bind(sock, sockaddr, sockaddr_len);
}
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static int pvc_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned 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;
}
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| al viro | al viro | 1 | 1.52% | 1 | 33.33% |
| Total | 66 | 100.00% | 3 | 100.00% |
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;
}
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| Total | 67 | 100.00% | 2 | 100.00% |
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;
memset(addr, 0, sizeof(*addr));
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;
}
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static const 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,
#ifdef CONFIG_COMPAT
.compat_ioctl = vcc_compat_ioctl,
#endif
.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 net *net, struct socket *sock, int protocol,
int kern)
{
if (net != &init_net)
return -EAFNOSUPPORT;
sock->ops = &pvc_proto_ops;
return vcc_create(net, sock, protocol, PF_ATMPVC, kern);
}
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| Total | 54 | 100.00% | 5 | 100.00% |
static const 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);
}
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void atmpvc_exit(void)
{
sock_unregister(PF_ATMPVC);
}
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| Total | 12 | 100.00% | 2 | 100.00% |
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| eric w. biederman | eric w. biederman | 20 | 2.60% | 2 | 7.69% |
| rusty russell | rusty russell | 15 | 1.95% | 1 | 3.85% |
| mathias krause | mathias krause | 13 | 1.69% | 1 | 3.85% |
| david woodhouse | david woodhouse | 10 | 1.30% | 1 | 3.85% |
| david s. miller | david s. miller | 4 | 0.52% | 2 | 7.69% |
| eric paris | eric paris | 3 | 0.39% | 1 | 3.85% |
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| stephen hemminger | stephen hemminger | 1 | 0.13% | 1 | 3.85% |
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| Total | 769 | 100.00% | 26 | 100.00% |
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