svc.c revision b7d9371befd6fa3eb0ad9d574860095642bf70ed
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* net/atm/svc.c - ATM SVC sockets */ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 599824461ea72ca0044cc6508f02c0e1cabf37ba5Joe Perches#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/net.h> /* struct socket, struct proto_ops */ 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> /* error codes */ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> /* printk */ 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/skbuff.h> 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/wait.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> /* jiffies and HZ */ 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fcntl.h> /* O_NONBLOCK */ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/atm.h> /* ATM stuff */ 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/atmsap.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/atmsvc.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/atmdev.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <net/sock.h> /* for sock_no_* */ 22b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches#include <linux/uaccess.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "resources.h" 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "common.h" /* common for PVCs and SVCs */ 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "signaling.h" 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "addr.h" 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 29b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_create(struct net *net, struct socket *sock, int protocol, 30b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches int kern); 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Note: since all this is still nicely synchronized with the signaling demon, 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * there's no need to protect sleep loops with clis. If signaling is 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * moved into the kernel, that would change. 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 39b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_shutdown(struct socket *sock, int how) 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void svc_disconnect(struct atm_vcc *vcc) 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sk_atm(vcc); 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 50b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches pr_debug("%p\n", vcc); 51b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (test_bit(ATM_VF_REGIS, &vcc->flags)) { 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 53b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(vcc, as_close, NULL, NULL, NULL); 54b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches while (!test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) { 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 56b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk->sk_sleep, &wait, 57b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_UNINTERRUPTIBLE); 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* beware - socket is still in use by atmsigd until the last 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds as_indicate has been answered */ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds atm_return(vcc, skb->truesize); 65522400623e240ad134cb4101b1fddc3245d2a7edStephen Hemminger pr_debug("LISTEN REL\n"); 66b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq2(NULL, as_reject, vcc, NULL, NULL, &vcc->qos, 0); 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb(skb); 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clear_bit(ATM_VF_REGIS, &vcc->flags); 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* ... may retry later */ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int svc_release(struct socket *sock) 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 78b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (sk) { 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc = ATM_SD(sock); 8099824461ea72ca0044cc6508f02c0e1cabf37ba5Joe Perches pr_debug("%p\n", vcc); 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clear_bit(ATM_VF_READY, &vcc->flags); 82b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches /* 83b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches * VCC pointer is used as a reference, 84b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches * so we must not free it (thereby subjecting it to re-use) 85b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches * before all pending connections are closed 86b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds svc_disconnect(vcc); 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc_release(sock); 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 93b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_bind(struct socket *sock, struct sockaddr *sockaddr, 94b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches int sockaddr_len) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sockaddr_atmsvc *addr; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sockaddr_len != sizeof(struct sockaddr_atmsvc)) 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sock->state == SS_CONNECTED) { 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EISCONN; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sock->state != SS_UNCONNECTED) { 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc = ATM_SD(sock); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (struct sockaddr_atmsvc *) sockaddr; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (addr->sas_family != AF_ATMSVC) { 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EAFNOSUPPORT; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 119b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_BOUND, &vcc->flags); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* failing rebind will kill old binding */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* @@@ check memory (de)allocation on rebind */ 122b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (!test_bit(ATM_VF_HASQOS, &vcc->flags)) { 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EBADFD; 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->local = *addr; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 129b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(vcc, as_bind, NULL, NULL, &vcc->local); 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 135b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_REGIS, &vcc->flags); /* doesn't count */ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sigd) { 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 140f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki if (!sk->sk_err) 141b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches set_bit(ATM_VF_BOUND, &vcc->flags); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk->sk_err; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 148b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_connect(struct socket *sock, struct sockaddr *sockaddr, 149b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches int sockaddr_len, int flags) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sockaddr_atmsvc *addr; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 157b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches pr_debug("%p\n", vcc); 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sockaddr_len != sizeof(struct sockaddr_atmsvc)) { 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (sock->state) { 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SS_CONNECTED: 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EISCONN; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SS_CONNECTING: 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (test_bit(ATM_VF_WAITING, &vcc->flags)) { 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EALREADY; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sock->state = SS_UNCONNECTED; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sk->sk_err) { 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk->sk_err; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SS_UNCONNECTED: 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (struct sockaddr_atmsvc *) sockaddr; 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (addr->sas_family != AF_ATMSVC) { 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EAFNOSUPPORT; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!test_bit(ATM_VF_HASQOS, &vcc->flags)) { 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EBADFD; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (vcc->qos.txtp.traffic_class == ATM_ANYCLASS || 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->qos.rxtp.traffic_class == ATM_ANYCLASS) { 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!vcc->qos.txtp.traffic_class && 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !vcc->qos.rxtp.traffic_class) { 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->remote = *addr; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 205b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(vcc, as_connect, NULL, NULL, &vcc->remote); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flags & O_NONBLOCK) { 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sock->state = SS_CONNECTING; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINPROGRESS; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = 0; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!signal_pending(current)) { 216b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk->sk_sleep, &wait, 217b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_INTERRUPTIBLE); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 220522400623e240ad134cb4101b1fddc3245d2a7edStephen Hemminger pr_debug("*ABORT*\n"); 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is tricky: 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel ---close--> Demon 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel <--close--- Demon 225f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki * or 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel ---close--> Demon 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel <--error--- Demon 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * or 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel ---close--> Demon 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel <--okay---- Demon 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Kernel <--close--- Demon 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 233b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(vcc, as_close, NULL, NULL, NULL); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 235b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk->sk_sleep, &wait, 236b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_INTERRUPTIBLE); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sk->sk_err) 240b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches while (!test_bit(ATM_VF_RELEASED, &vcc->flags) && 241b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd) { 242b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk->sk_sleep, &wait, 243b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_INTERRUPTIBLE); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 246b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_REGIS, &vcc->flags); 247b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_RELEASED, &vcc->flags); 248b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_CLOSE, &vcc->flags); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* we're gone now but may connect later */ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINTR; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sigd) { 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sk->sk_err) { 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk->sk_err; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Not supported yet 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * #ifndef CONFIG_SINGLE_SIGITF 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->qos.txtp.max_pcr = SELECT_TOP_PCR(vcc->qos.txtp); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->qos.txtp.pcr = 0; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vcc->qos.txtp.min_pcr = 0; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * #endif 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 276b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = vcc_connect(sock, vcc->itf, vcc->vpi, vcc->vci); 277b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (!error) 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sock->state = SS_CONNECTED; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 280b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches (void)svc_disconnect(vcc); 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 286b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_listen(struct socket *sock, int backlog) 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 29399824461ea72ca0044cc6508f02c0e1cabf37ba5Joe Perches pr_debug("%p\n", vcc); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* let server handle listen on unbound sockets */ 296b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (test_bit(ATM_VF_SESSION, &vcc->flags)) { 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 30017b24b3c97498935a2ef9777370b1151dfed3f6fChas Williams if (test_bit(ATM_VF_LISTEN, &vcc->flags)) { 30117b24b3c97498935a2ef9777370b1151dfed3f6fChas Williams error = -EADDRINUSE; 30217b24b3c97498935a2ef9777370b1151dfed3f6fChas Williams goto out; 303b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches } 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 306b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(vcc, as_listen, NULL, NULL, &vcc->local); 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sigd) { 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 316b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches set_bit(ATM_VF_LISTEN, &vcc->flags); 31717b24b3c97498935a2ef9777370b1151dfed3f6fChas Williams vcc_insert_socket(sk); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sk->sk_max_ack_backlog = backlog > 0 ? backlog : ATM_BACKLOG_DEFAULT; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk->sk_err; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 325b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_accept(struct socket *sock, struct socket *newsock, int flags) 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atmsvc_msg *msg; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *old_vcc = ATM_SD(sock); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *new_vcc; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3363f378b684453f2a028eda463ce383370545d9cc9Eric Paris error = svc_create(sock_net(sk), newsock, 0, 0); 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_vcc = ATM_SD(newsock); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34299824461ea72ca0044cc6508f02c0e1cabf37ba5Joe Perches pr_debug("%p -> %p\n", old_vcc, new_vcc); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (1) { 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (!(skb = skb_dequeue(&sk->sk_receive_queue)) && 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sigd) { 349b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (test_bit(ATM_VF_RELEASED, &old_vcc->flags)) 350b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches break; 351b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (test_bit(ATM_VF_CLOSE, &old_vcc->flags)) { 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk->sk_err; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flags & O_NONBLOCK) { 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EAGAIN; 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (signal_pending(current)) { 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -ERESTARTSYS; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 366b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk->sk_sleep, &wait, 367b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_INTERRUPTIBLE); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 376b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches msg = (struct atmsvc_msg *)skb->data; 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_vcc->qos = msg->qos; 378b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches set_bit(ATM_VF_HASQOS, &new_vcc->flags); 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_vcc->remote = msg->svc; 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_vcc->local = msg->local; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_vcc->sap = msg->sap; 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = vcc_connect(newsock, msg->pvc.sap_addr.itf, 383b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches msg->pvc.sap_addr.vpi, 384b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches msg->pvc.sap_addr.vci); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb(skb); 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sk->sk_ack_backlog--; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (error) { 388b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq2(NULL, as_reject, old_vcc, NULL, NULL, 389b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches &old_vcc->qos, error); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = error == -EAGAIN ? -EBUSY : error; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* wait should be short, so we ignore the non-blocking flag */ 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &new_vcc->flags); 395b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk_atm(new_vcc)->sk_sleep, &wait, 396b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_UNINTERRUPTIBLE); 397b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq(new_vcc, as_accept, old_vcc, NULL, NULL); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &new_vcc->flags) && sigd) { 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 402b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches prepare_to_wait(sk_atm(new_vcc)->sk_sleep, &wait, 403b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches TASK_UNINTERRUPTIBLE); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk_atm(new_vcc)->sk_sleep, &wait); 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sigd) { 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sk_atm(new_vcc)->sk_err) 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (sk_atm(new_vcc)->sk_err != ERESTARTSYS) { 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -sk_atm(new_vcc)->sk_err; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds newsock->state = SS_CONNECTED; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 423b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_getname(struct socket *sock, struct sockaddr *sockaddr, 424b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches int *sockaddr_len, int peer) 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sockaddr_atmsvc *addr; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *sockaddr_len = sizeof(struct sockaddr_atmsvc); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (struct sockaddr_atmsvc *) sockaddr; 430b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches memcpy(addr, peer ? &ATM_SD(sock)->remote : &ATM_SD(sock)->local, 431b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sizeof(struct sockaddr_atmsvc)); 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 435b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesint svc_change_qos(struct atm_vcc *vcc, struct atm_qos *qos) 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sk_atm(vcc); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 442b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches sigd_enq2(vcc, as_modify, NULL, NULL, &vcc->local, qos, 0); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) { 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 449b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (!sigd) 450b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return -EUNATCH; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -sk->sk_err; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int svc_setsockopt(struct socket *sock, int level, int optname, 455b7058842c940ad2c08dd829b21e5c92ebe3b8758David S. Miller char __user *optval, unsigned int optlen) 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int value, error = 0; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (optname) { 463b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches case SO_ATMSAP: 464b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (level != SOL_ATM || optlen != sizeof(struct atm_sap)) { 465b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = -EINVAL; 466b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches goto out; 467b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches } 468b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (copy_from_user(&vcc->sap, optval, optlen)) { 469b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = -EFAULT; 470b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches goto out; 471b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches } 472b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches set_bit(ATM_VF_HASSAP, &vcc->flags); 473b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches break; 474b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches case SO_MULTIPOINT: 475b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (level != SOL_ATM || optlen != sizeof(int)) { 476b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = -EINVAL; 477b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches goto out; 478b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches } 479b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (get_user(value, (int __user *)optval)) { 480b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = -EFAULT; 481b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches goto out; 482b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches } 483b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (value == 1) 484b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches set_bit(ATM_VF_SESSION, &vcc->flags); 485b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches else if (value == 0) 486b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches clear_bit(ATM_VF_SESSION, &vcc->flags); 487b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches else 488b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = -EINVAL; 489b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches break; 490b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches default: 491b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = vcc_setsockopt(sock, level, optname, optval, optlen); 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 499b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_getsockopt(struct socket *sock, int level, int optname, 500b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches char __user *optval, int __user *optlen) 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error = 0, len; 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!__SO_LEVEL_MATCH(optname, level) || optname != SO_ATMSAP) { 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = vcc_getsockopt(sock, level, optname, optval, optlen); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (get_user(len, optlen)) { 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EFAULT; 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len != sizeof(struct atm_sap)) { 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (copy_to_user(optval, &ATM_SD(sock)->sap, sizeof(struct atm_sap))) { 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EFAULT; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int svc_addparty(struct socket *sock, struct sockaddr *sockaddr, 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int sockaddr_len, int flags) 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sigd_enq(vcc, as_addparty, NULL, NULL, 539f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki (struct sockaddr_atmsvc *) sockaddr); 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flags & O_NONBLOCK) { 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINPROGRESS; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 54599824461ea72ca0044cc6508f02c0e1cabf37ba5Joe Perches pr_debug("added wait queue\n"); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = xchg(&sk->sk_err_soft, 0); 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int svc_dropparty(struct socket *sock, int ep_ref) 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DEFINE_WAIT(wait); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sock *sk = sock->sk; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lock_sock(sk); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(ATM_VF_WAITING, &vcc->flags); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sigd_enq2(vcc, as_dropparty, NULL, NULL, NULL, NULL, ep_ref); 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) { 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds schedule(); 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds finish_wait(sk->sk_sleep, &wait); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!sigd) { 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EUNATCH; 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = xchg(&sk->sk_err_soft, 0); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsout: 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_sock(sk); 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int svc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 585f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki int error, ep_ref; 586f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki struct sockaddr_atmsvc sa; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atm_vcc *vcc = ATM_SD(sock); 588f7d57453d20e27de69ecafd121005e9d13a0f427YOSHIFUJI Hideaki 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cmd) { 590b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches case ATM_ADDPARTY: 591b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (!test_bit(ATM_VF_SESSION, &vcc->flags)) 592b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return -EINVAL; 593b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (copy_from_user(&sa, (void __user *) arg, sizeof(sa))) 594b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return -EFAULT; 595b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = svc_addparty(sock, (struct sockaddr *)&sa, sizeof(sa), 596b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches 0); 597b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches break; 598b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches case ATM_DROPPARTY: 599b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (!test_bit(ATM_VF_SESSION, &vcc->flags)) 600b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return -EINVAL; 601b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (copy_from_user(&ep_ref, (void __user *) arg, sizeof(int))) 602b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return -EFAULT; 603b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = svc_dropparty(sock, ep_ref); 604b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches break; 605b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches default: 606b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches error = vcc_ioctl(sock, cmd, arg); 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6128865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse#ifdef CONFIG_COMPAT 613b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perchesstatic int svc_compat_ioctl(struct socket *sock, unsigned int cmd, 614b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches unsigned long arg) 6158865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse{ 6168865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse /* The definition of ATM_ADDPARTY uses the size of struct atm_iobuf. 6178865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse But actually it takes a struct sockaddr_atmsvc, which doesn't need 6188865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse compat handling. So all we have to do is fix up cmd... */ 6198865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse if (cmd == COMPAT_ATM_ADDPARTY) 6208865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse cmd = ATM_ADDPARTY; 6218865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse 6228865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse if (cmd == ATM_ADDPARTY || cmd == ATM_DROPPARTY) 6238865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse return svc_ioctl(sock, cmd, arg); 6248865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse else 6258865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse return vcc_compat_ioctl(sock, cmd, arg); 6268865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse} 6278865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse#endif /* CONFIG_COMPAT */ 6288865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse 62990ddc4f0470427df306f308ad03db6b6b21644b8Eric Dumazetstatic const struct proto_ops svc_proto_ops = { 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .family = PF_ATMSVC, 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .owner = THIS_MODULE, 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .release = svc_release, 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .bind = svc_bind, 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .connect = svc_connect, 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .socketpair = sock_no_socketpair, 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .accept = svc_accept, 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .getname = svc_getname, 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .poll = vcc_poll, 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ioctl = svc_ioctl, 6418865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse#ifdef CONFIG_COMPAT 6428865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse .compat_ioctl = svc_compat_ioctl, 6438865c418caf4e9dd2c24bdfae3a5a4106e143e60David Woodhouse#endif 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .listen = svc_listen, 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .shutdown = svc_shutdown, 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .setsockopt = svc_setsockopt, 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .getsockopt = svc_getsockopt, 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sendmsg = vcc_sendmsg, 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .recvmsg = vcc_recvmsg, 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .mmap = sock_no_mmap, 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sendpage = sock_no_sendpage, 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6553f378b684453f2a028eda463ce383370545d9cc9Eric Parisstatic int svc_create(struct net *net, struct socket *sock, int protocol, 6563f378b684453f2a028eda463ce383370545d9cc9Eric Paris int kern) 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 66009ad9bc752519cc167d0a573e1acf69b5c707c67Octavian Purdila if (!net_eq(net, &init_net)) 6611b8d7ae42d02e483ad94035cca851e4f7fbecb40Eric W. Biederman return -EAFNOSUPPORT; 6621b8d7ae42d02e483ad94035cca851e4f7fbecb40Eric W. Biederman 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sock->ops = &svc_proto_ops; 6641b8d7ae42d02e483ad94035cca851e4f7fbecb40Eric W. Biederman error = vcc_create(net, sock, protocol, AF_ATMSVC); 665b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches if (error) 666b7d9371befd6fa3eb0ad9d574860095642bf70edJoe Perches return error; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ATM_SD(sock)->local.sas_family = AF_ATMSVC; 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ATM_SD(sock)->remote.sas_family = AF_ATMSVC; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 672ec1b4cf74c81bfd0fbe5bf62bafc86c45917e72fStephen Hemmingerstatic const struct net_proto_family svc_family_ops = { 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .family = PF_ATMSVC, 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .create = svc_create, 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .owner = THIS_MODULE, 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Initialize the ATM SVC protocol family 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint __init atmsvc_init(void) 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sock_register(&svc_family_ops); 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid atmsvc_exit(void) 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sock_unregister(PF_ATMSVC); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 692