X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Frose%2Faf_rose.c;h=9e279464c9d1ed59e7b558e2fa1e0e8e6a37737a;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=ea65396d1619a5344b6b1c742dd4575dbf8a0088;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index ea65396d1..9e279464c 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -10,7 +10,6 @@ * Copyright (C) Tomi Manninen OH2BNS (oh2bns@sral.fi) */ -#include #include #include #include @@ -67,6 +66,14 @@ static struct proto_ops rose_proto_ops; ax25_address rose_callsign; +/* + * ROSE network devices are virtual network devices encapsulating ROSE + * frames into AX.25 which will be sent through an AX.25 device, so form a + * special "super class" of normal net devices; split their locks off into a + * separate class since they always nest. + */ +static struct lock_class_key rose_netdev_xmit_lock_key; + /* * Convert a ROSE address into text. */ @@ -518,11 +525,11 @@ static int rose_create(struct socket *sock, int protocol) init_timer(&rose->timer); init_timer(&rose->idletimer); - rose->t1 = sysctl_rose_call_request_timeout; - rose->t2 = sysctl_rose_reset_request_timeout; - rose->t3 = sysctl_rose_clear_request_timeout; - rose->hb = sysctl_rose_ack_hold_back_timeout; - rose->idle = sysctl_rose_no_activity_timeout; + rose->t1 = msecs_to_jiffies(sysctl_rose_call_request_timeout); + rose->t2 = msecs_to_jiffies(sysctl_rose_reset_request_timeout); + rose->t3 = msecs_to_jiffies(sysctl_rose_clear_request_timeout); + rose->hb = msecs_to_jiffies(sysctl_rose_ack_hold_back_timeout); + rose->idle = msecs_to_jiffies(sysctl_rose_no_activity_timeout); rose->state = ROSE_STATE_0; @@ -753,7 +760,7 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le rose_insert_socket(sk); /* Finish the bind */ } - +rose_try_next_neigh: rose->dest_addr = addr->srose_addr; rose->dest_call = addr->srose_call; rose->rand = ((long)rose & 0xFFFF) + rose->lci; @@ -811,6 +818,11 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le } if (sk->sk_state != TCP_ESTABLISHED) { + /* Try next neighbour */ + rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic); + if (rose->neighbour) + goto rose_try_next_neigh; + /* No more neighbour */ sock->state = SS_UNCONNECTED; return sock_error(sk); /* Always set at this point */ } @@ -1302,7 +1314,8 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (copy_from_user(&rose_callsign, argp, sizeof(ax25_address))) return -EFAULT; if (ax25cmp(&rose_callsign, &null_ax25_address) != 0) - ax25_listen_register(&rose_callsign, NULL); + return ax25_listen_register(&rose_callsign, NULL); + return 0; case SIOCRSGL2CALL: @@ -1469,7 +1482,14 @@ static struct notifier_block rose_dev_notifier = { static struct net_device **dev_rose; -static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.62 for AX25.037 Linux 2.4\n"; +static struct ax25_protocol rose_pid = { + .pid = AX25_P_ROSE, + .func = rose_route_frame +}; + +static struct ax25_linkfail rose_linkfail_notifier = { + .func = rose_link_failed +}; static int __init rose_proto_init(void) { @@ -1488,14 +1508,13 @@ static int __init rose_proto_init(void) rose_callsign = null_ax25_address; - dev_rose = kmalloc(rose_ndevs * sizeof(struct net_device *), GFP_KERNEL); + dev_rose = kzalloc(rose_ndevs * sizeof(struct net_device *), GFP_KERNEL); if (dev_rose == NULL) { printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate device structure\n"); rc = -ENOMEM; goto out_proto_unregister; } - memset(dev_rose, 0x00, rose_ndevs * sizeof(struct net_device*)); for (i = 0; i < rose_ndevs; i++) { struct net_device *dev; char name[IFNAMSIZ]; @@ -1514,15 +1533,15 @@ static int __init rose_proto_init(void) free_netdev(dev); goto fail; } + lockdep_set_class(&dev->_xmit_lock, &rose_netdev_xmit_lock_key); dev_rose[i] = dev; } sock_register(&rose_family_ops); register_netdevice_notifier(&rose_dev_notifier); - printk(banner); - ax25_protocol_register(AX25_P_ROSE, rose_route_frame); - ax25_linkfail_register(rose_link_failed); + ax25_register_pid(&rose_pid); + ax25_linkfail_register(&rose_linkfail_notifier); #ifdef CONFIG_SYSCTL rose_register_sysctl(); @@ -1570,7 +1589,7 @@ static void __exit rose_exit(void) rose_rt_free(); ax25_protocol_release(AX25_P_ROSE); - ax25_linkfail_release(rose_link_failed); + ax25_linkfail_release(&rose_linkfail_notifier); if (ax25cmp(&rose_callsign, &null_ax25_address) != 0) ax25_listen_release(&rose_callsign, NULL);