mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 14:11:52 +00:00
x25: Reduce switch/case indent
Make the case labels the same indent as the switch. git diff -w shows 80 column line reflowing. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches
David S. Miller
parent
89f0e4feaf
commit
fddc5f3e91
475
net/x25/af_x25.c
475
net/x25/af_x25.c
@ -237,21 +237,21 @@ static int x25_device_event(struct notifier_block *this, unsigned long event,
|
||||
#endif
|
||||
) {
|
||||
switch (event) {
|
||||
case NETDEV_UP:
|
||||
x25_link_device_up(dev);
|
||||
break;
|
||||
case NETDEV_GOING_DOWN:
|
||||
nb = x25_get_neigh(dev);
|
||||
if (nb) {
|
||||
x25_terminate_link(nb);
|
||||
x25_neigh_put(nb);
|
||||
}
|
||||
break;
|
||||
case NETDEV_DOWN:
|
||||
x25_kill_by_device(dev);
|
||||
x25_route_device_down(dev);
|
||||
x25_link_device_down(dev);
|
||||
break;
|
||||
case NETDEV_UP:
|
||||
x25_link_device_up(dev);
|
||||
break;
|
||||
case NETDEV_GOING_DOWN:
|
||||
nb = x25_get_neigh(dev);
|
||||
if (nb) {
|
||||
x25_terminate_link(nb);
|
||||
x25_neigh_put(nb);
|
||||
}
|
||||
break;
|
||||
case NETDEV_DOWN:
|
||||
x25_kill_by_device(dev);
|
||||
x25_route_device_down(dev);
|
||||
x25_link_device_down(dev);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@ -1336,256 +1336,253 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
||||
int rc;
|
||||
|
||||
switch (cmd) {
|
||||
case TIOCOUTQ: {
|
||||
int amount;
|
||||
case TIOCOUTQ: {
|
||||
int amount;
|
||||
|
||||
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
|
||||
if (amount < 0)
|
||||
amount = 0;
|
||||
rc = put_user(amount, (unsigned int __user *)argp);
|
||||
break;
|
||||
}
|
||||
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
|
||||
if (amount < 0)
|
||||
amount = 0;
|
||||
rc = put_user(amount, (unsigned int __user *)argp);
|
||||
break;
|
||||
}
|
||||
|
||||
case TIOCINQ: {
|
||||
struct sk_buff *skb;
|
||||
int amount = 0;
|
||||
/*
|
||||
* These two are safe on a single CPU system as
|
||||
* only user tasks fiddle here
|
||||
*/
|
||||
lock_sock(sk);
|
||||
if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
|
||||
amount = skb->len;
|
||||
release_sock(sk);
|
||||
rc = put_user(amount, (unsigned int __user *)argp);
|
||||
break;
|
||||
}
|
||||
case TIOCINQ: {
|
||||
struct sk_buff *skb;
|
||||
int amount = 0;
|
||||
/*
|
||||
* These two are safe on a single CPU system as
|
||||
* only user tasks fiddle here
|
||||
*/
|
||||
lock_sock(sk);
|
||||
if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
|
||||
amount = skb->len;
|
||||
release_sock(sk);
|
||||
rc = put_user(amount, (unsigned int __user *)argp);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCGSTAMP:
|
||||
rc = -EINVAL;
|
||||
if (sk)
|
||||
rc = sock_get_timestamp(sk,
|
||||
case SIOCGSTAMP:
|
||||
rc = -EINVAL;
|
||||
if (sk)
|
||||
rc = sock_get_timestamp(sk,
|
||||
(struct timeval __user *)argp);
|
||||
break;
|
||||
case SIOCGSTAMPNS:
|
||||
rc = -EINVAL;
|
||||
if (sk)
|
||||
rc = sock_get_timestampns(sk,
|
||||
(struct timespec __user *)argp);
|
||||
break;
|
||||
case SIOCGIFADDR:
|
||||
case SIOCSIFADDR:
|
||||
case SIOCGIFDSTADDR:
|
||||
case SIOCSIFDSTADDR:
|
||||
case SIOCGIFBRDADDR:
|
||||
case SIOCSIFBRDADDR:
|
||||
case SIOCGIFNETMASK:
|
||||
case SIOCSIFNETMASK:
|
||||
case SIOCGIFMETRIC:
|
||||
case SIOCSIFMETRIC:
|
||||
rc = -EINVAL;
|
||||
break;
|
||||
case SIOCADDRT:
|
||||
case SIOCDELRT:
|
||||
rc = -EPERM;
|
||||
if (!capable(CAP_NET_ADMIN))
|
||||
break;
|
||||
case SIOCGSTAMPNS:
|
||||
rc = -EINVAL;
|
||||
if (sk)
|
||||
rc = sock_get_timestampns(sk,
|
||||
(struct timespec __user *)argp);
|
||||
rc = x25_route_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25GSUBSCRIP:
|
||||
rc = x25_subscr_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25SSUBSCRIP:
|
||||
rc = -EPERM;
|
||||
if (!capable(CAP_NET_ADMIN))
|
||||
break;
|
||||
case SIOCGIFADDR:
|
||||
case SIOCSIFADDR:
|
||||
case SIOCGIFDSTADDR:
|
||||
case SIOCSIFDSTADDR:
|
||||
case SIOCGIFBRDADDR:
|
||||
case SIOCSIFBRDADDR:
|
||||
case SIOCGIFNETMASK:
|
||||
case SIOCSIFNETMASK:
|
||||
case SIOCGIFMETRIC:
|
||||
case SIOCSIFMETRIC:
|
||||
rc = -EINVAL;
|
||||
break;
|
||||
case SIOCADDRT:
|
||||
case SIOCDELRT:
|
||||
rc = -EPERM;
|
||||
if (!capable(CAP_NET_ADMIN))
|
||||
break;
|
||||
rc = x25_route_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25GSUBSCRIP:
|
||||
rc = x25_subscr_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25SSUBSCRIP:
|
||||
rc = -EPERM;
|
||||
if (!capable(CAP_NET_ADMIN))
|
||||
break;
|
||||
rc = x25_subscr_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25GFACILITIES: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->facilities,
|
||||
sizeof(x25->facilities))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
rc = x25_subscr_ioctl(cmd, argp);
|
||||
break;
|
||||
case SIOCX25GFACILITIES: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->facilities,
|
||||
sizeof(x25->facilities))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SFACILITIES: {
|
||||
struct x25_facilities facilities;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&facilities, argp,
|
||||
sizeof(facilities)))
|
||||
break;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_LISTEN &&
|
||||
sk->sk_state != TCP_CLOSE)
|
||||
case SIOCX25SFACILITIES: {
|
||||
struct x25_facilities facilities;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&facilities, argp, sizeof(facilities)))
|
||||
break;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_LISTEN &&
|
||||
sk->sk_state != TCP_CLOSE)
|
||||
goto out_fac_release;
|
||||
if (facilities.pacsize_in < X25_PS16 ||
|
||||
facilities.pacsize_in > X25_PS4096)
|
||||
goto out_fac_release;
|
||||
if (facilities.pacsize_out < X25_PS16 ||
|
||||
facilities.pacsize_out > X25_PS4096)
|
||||
goto out_fac_release;
|
||||
if (facilities.winsize_in < 1 ||
|
||||
facilities.winsize_in > 127)
|
||||
goto out_fac_release;
|
||||
if (facilities.throughput) {
|
||||
int out = facilities.throughput & 0xf0;
|
||||
int in = facilities.throughput & 0x0f;
|
||||
if (!out)
|
||||
facilities.throughput |=
|
||||
X25_DEFAULT_THROUGHPUT << 4;
|
||||
else if (out < 0x30 || out > 0xD0)
|
||||
goto out_fac_release;
|
||||
if (facilities.pacsize_in < X25_PS16 ||
|
||||
facilities.pacsize_in > X25_PS4096)
|
||||
if (!in)
|
||||
facilities.throughput |=
|
||||
X25_DEFAULT_THROUGHPUT;
|
||||
else if (in < 0x03 || in > 0x0D)
|
||||
goto out_fac_release;
|
||||
if (facilities.pacsize_out < X25_PS16 ||
|
||||
facilities.pacsize_out > X25_PS4096)
|
||||
goto out_fac_release;
|
||||
if (facilities.winsize_in < 1 ||
|
||||
facilities.winsize_in > 127)
|
||||
goto out_fac_release;
|
||||
if (facilities.throughput) {
|
||||
int out = facilities.throughput & 0xf0;
|
||||
int in = facilities.throughput & 0x0f;
|
||||
if (!out)
|
||||
facilities.throughput |=
|
||||
X25_DEFAULT_THROUGHPUT << 4;
|
||||
else if (out < 0x30 || out > 0xD0)
|
||||
goto out_fac_release;
|
||||
if (!in)
|
||||
facilities.throughput |=
|
||||
X25_DEFAULT_THROUGHPUT;
|
||||
else if (in < 0x03 || in > 0x0D)
|
||||
goto out_fac_release;
|
||||
}
|
||||
if (facilities.reverse &&
|
||||
(facilities.reverse & 0x81) != 0x81)
|
||||
goto out_fac_release;
|
||||
x25->facilities = facilities;
|
||||
rc = 0;
|
||||
}
|
||||
if (facilities.reverse &&
|
||||
(facilities.reverse & 0x81) != 0x81)
|
||||
goto out_fac_release;
|
||||
x25->facilities = facilities;
|
||||
rc = 0;
|
||||
out_fac_release:
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25GDTEFACILITIES: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->dte_facilities,
|
||||
sizeof(x25->dte_facilities));
|
||||
release_sock(sk);
|
||||
if (rc)
|
||||
rc = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SDTEFACILITIES: {
|
||||
struct x25_dte_facilities dtefacs;
|
||||
case SIOCX25GDTEFACILITIES: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->dte_facilities,
|
||||
sizeof(x25->dte_facilities));
|
||||
release_sock(sk);
|
||||
if (rc)
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
|
||||
break;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_LISTEN &&
|
||||
sk->sk_state != TCP_CLOSE)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.calling_len > X25_MAX_AE_LEN)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.calling_ae == NULL)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.called_len > X25_MAX_AE_LEN)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.called_ae == NULL)
|
||||
goto out_dtefac_release;
|
||||
x25->dte_facilities = dtefacs;
|
||||
rc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SDTEFACILITIES: {
|
||||
struct x25_dte_facilities dtefacs;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
|
||||
break;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_LISTEN &&
|
||||
sk->sk_state != TCP_CLOSE)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.calling_len > X25_MAX_AE_LEN)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.calling_ae == NULL)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.called_len > X25_MAX_AE_LEN)
|
||||
goto out_dtefac_release;
|
||||
if (dtefacs.called_ae == NULL)
|
||||
goto out_dtefac_release;
|
||||
x25->dte_facilities = dtefacs;
|
||||
rc = 0;
|
||||
out_dtefac_release:
|
||||
release_sock(sk);
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25GCALLUSERDATA: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->calluserdata,
|
||||
sizeof(x25->calluserdata))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SCALLUSERDATA: {
|
||||
struct x25_calluserdata calluserdata;
|
||||
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&calluserdata, argp, sizeof(calluserdata)))
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25GCALLUSERDATA: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->calluserdata,
|
||||
sizeof(x25->calluserdata))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
rc = -EINVAL;
|
||||
if (calluserdata.cudlength > X25_MAX_CUD_LEN)
|
||||
break;
|
||||
}
|
||||
lock_sock(sk);
|
||||
x25->calluserdata = calluserdata;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SCALLUSERDATA: {
|
||||
struct x25_calluserdata calluserdata;
|
||||
case SIOCX25GCAUSEDIAG: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->causediag, sizeof(x25->causediag))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&calluserdata, argp,
|
||||
sizeof(calluserdata)))
|
||||
break;
|
||||
rc = -EINVAL;
|
||||
if (calluserdata.cudlength > X25_MAX_CUD_LEN)
|
||||
break;
|
||||
lock_sock(sk);
|
||||
x25->calluserdata = calluserdata;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
case SIOCX25SCAUSEDIAG: {
|
||||
struct x25_causediag causediag;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&causediag, argp, sizeof(causediag)))
|
||||
break;
|
||||
}
|
||||
lock_sock(sk);
|
||||
x25->causediag = causediag;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
break;
|
||||
|
||||
case SIOCX25GCAUSEDIAG: {
|
||||
lock_sock(sk);
|
||||
rc = copy_to_user(argp, &x25->causediag,
|
||||
sizeof(x25->causediag))
|
||||
? -EFAULT : 0;
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
case SIOCX25SCAUSEDIAG: {
|
||||
struct x25_causediag causediag;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&causediag, argp, sizeof(causediag)))
|
||||
break;
|
||||
lock_sock(sk);
|
||||
x25->causediag = causediag;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
case SIOCX25SCUDMATCHLEN: {
|
||||
struct x25_subaddr sub_addr;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if(sk->sk_state != TCP_CLOSE)
|
||||
goto out_cud_release;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&sub_addr, argp,
|
||||
sizeof(sub_addr)))
|
||||
goto out_cud_release;
|
||||
rc = -EINVAL;
|
||||
if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
|
||||
goto out_cud_release;
|
||||
x25->cudmatchlength = sub_addr.cudmatchlength;
|
||||
rc = 0;
|
||||
case SIOCX25SCUDMATCHLEN: {
|
||||
struct x25_subaddr sub_addr;
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if(sk->sk_state != TCP_CLOSE)
|
||||
goto out_cud_release;
|
||||
rc = -EFAULT;
|
||||
if (copy_from_user(&sub_addr, argp,
|
||||
sizeof(sub_addr)))
|
||||
goto out_cud_release;
|
||||
rc = -EINVAL;
|
||||
if (sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
|
||||
goto out_cud_release;
|
||||
x25->cudmatchlength = sub_addr.cudmatchlength;
|
||||
rc = 0;
|
||||
out_cud_release:
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
release_sock(sk);
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25CALLACCPTAPPRV: {
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_CLOSE)
|
||||
break;
|
||||
clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
case SIOCX25CALLACCPTAPPRV: {
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_CLOSE)
|
||||
break;
|
||||
}
|
||||
clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
case SIOCX25SENDCALLACCPT: {
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_ESTABLISHED)
|
||||
break;
|
||||
/* must call accptapprv above */
|
||||
if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
|
||||
break;
|
||||
x25_write_internal(sk, X25_CALL_ACCEPTED);
|
||||
x25->state = X25_STATE_3;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
case SIOCX25SENDCALLACCPT: {
|
||||
rc = -EINVAL;
|
||||
lock_sock(sk);
|
||||
if (sk->sk_state != TCP_ESTABLISHED)
|
||||
break;
|
||||
}
|
||||
/* must call accptapprv above */
|
||||
if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
|
||||
break;
|
||||
x25_write_internal(sk, X25_CALL_ACCEPTED);
|
||||
x25->state = X25_STATE_3;
|
||||
release_sock(sk);
|
||||
rc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
rc = -ENOIOCTLCMD;
|
||||
break;
|
||||
default:
|
||||
rc = -ENOIOCTLCMD;
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
|
||||
@ -146,21 +146,21 @@ void x25_establish_link(struct x25_neigh *nb)
|
||||
unsigned char *ptr;
|
||||
|
||||
switch (nb->dev->type) {
|
||||
case ARPHRD_X25:
|
||||
if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
|
||||
printk(KERN_ERR "x25_dev: out of memory\n");
|
||||
return;
|
||||
}
|
||||
ptr = skb_put(skb, 1);
|
||||
*ptr = X25_IFACE_CONNECT;
|
||||
break;
|
||||
case ARPHRD_X25:
|
||||
if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
|
||||
printk(KERN_ERR "x25_dev: out of memory\n");
|
||||
return;
|
||||
}
|
||||
ptr = skb_put(skb, 1);
|
||||
*ptr = X25_IFACE_CONNECT;
|
||||
break;
|
||||
|
||||
#if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
|
||||
case ARPHRD_ETHER:
|
||||
return;
|
||||
case ARPHRD_ETHER:
|
||||
return;
|
||||
#endif
|
||||
default:
|
||||
return;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
skb->protocol = htons(ETH_P_X25);
|
||||
@ -202,19 +202,19 @@ void x25_send_frame(struct sk_buff *skb, struct x25_neigh *nb)
|
||||
skb_reset_network_header(skb);
|
||||
|
||||
switch (nb->dev->type) {
|
||||
case ARPHRD_X25:
|
||||
dptr = skb_push(skb, 1);
|
||||
*dptr = X25_IFACE_DATA;
|
||||
break;
|
||||
case ARPHRD_X25:
|
||||
dptr = skb_push(skb, 1);
|
||||
*dptr = X25_IFACE_DATA;
|
||||
break;
|
||||
|
||||
#if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
|
||||
case ARPHRD_ETHER:
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
case ARPHRD_ETHER:
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
#endif
|
||||
default:
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
default:
|
||||
kfree_skb(skb);
|
||||
return;
|
||||
}
|
||||
|
||||
skb->protocol = htons(ETH_P_X25);
|
||||
|
||||
112
net/x25/x25_in.c
112
net/x25/x25_in.c
@ -94,55 +94,55 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
|
||||
struct x25_sock *x25 = x25_sk(sk);
|
||||
|
||||
switch (frametype) {
|
||||
case X25_CALL_ACCEPTED: {
|
||||
case X25_CALL_ACCEPTED: {
|
||||
|
||||
x25_stop_timer(sk);
|
||||
x25->condition = 0x00;
|
||||
x25->vs = 0;
|
||||
x25->va = 0;
|
||||
x25->vr = 0;
|
||||
x25->vl = 0;
|
||||
x25->state = X25_STATE_3;
|
||||
sk->sk_state = TCP_ESTABLISHED;
|
||||
/*
|
||||
* Parse the data in the frame.
|
||||
*/
|
||||
skb_pull(skb, X25_STD_MIN_LEN);
|
||||
x25_stop_timer(sk);
|
||||
x25->condition = 0x00;
|
||||
x25->vs = 0;
|
||||
x25->va = 0;
|
||||
x25->vr = 0;
|
||||
x25->vl = 0;
|
||||
x25->state = X25_STATE_3;
|
||||
sk->sk_state = TCP_ESTABLISHED;
|
||||
/*
|
||||
* Parse the data in the frame.
|
||||
*/
|
||||
skb_pull(skb, X25_STD_MIN_LEN);
|
||||
|
||||
len = x25_parse_address_block(skb, &source_addr,
|
||||
&dest_addr);
|
||||
if (len > 0)
|
||||
skb_pull(skb, len);
|
||||
else if (len < 0)
|
||||
goto out_clear;
|
||||
len = x25_parse_address_block(skb, &source_addr,
|
||||
&dest_addr);
|
||||
if (len > 0)
|
||||
skb_pull(skb, len);
|
||||
else if (len < 0)
|
||||
goto out_clear;
|
||||
|
||||
len = x25_parse_facilities(skb, &x25->facilities,
|
||||
&x25->dte_facilities,
|
||||
&x25->vc_facil_mask);
|
||||
if (len > 0)
|
||||
skb_pull(skb, len);
|
||||
else if (len < 0)
|
||||
goto out_clear;
|
||||
/*
|
||||
* Copy any Call User Data.
|
||||
*/
|
||||
if (skb->len > 0) {
|
||||
skb_copy_from_linear_data(skb,
|
||||
x25->calluserdata.cuddata,
|
||||
skb->len);
|
||||
x25->calluserdata.cudlength = skb->len;
|
||||
}
|
||||
if (!sock_flag(sk, SOCK_DEAD))
|
||||
sk->sk_state_change(sk);
|
||||
break;
|
||||
len = x25_parse_facilities(skb, &x25->facilities,
|
||||
&x25->dte_facilities,
|
||||
&x25->vc_facil_mask);
|
||||
if (len > 0)
|
||||
skb_pull(skb, len);
|
||||
else if (len < 0)
|
||||
goto out_clear;
|
||||
/*
|
||||
* Copy any Call User Data.
|
||||
*/
|
||||
if (skb->len > 0) {
|
||||
skb_copy_from_linear_data(skb,
|
||||
x25->calluserdata.cuddata,
|
||||
skb->len);
|
||||
x25->calluserdata.cudlength = skb->len;
|
||||
}
|
||||
case X25_CLEAR_REQUEST:
|
||||
x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
|
||||
x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
|
||||
break;
|
||||
if (!sock_flag(sk, SOCK_DEAD))
|
||||
sk->sk_state_change(sk);
|
||||
break;
|
||||
}
|
||||
case X25_CLEAR_REQUEST:
|
||||
x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
|
||||
x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -354,18 +354,18 @@ int x25_process_rx_frame(struct sock *sk, struct sk_buff *skb)
|
||||
frametype = x25_decode(sk, skb, &ns, &nr, &q, &d, &m);
|
||||
|
||||
switch (x25->state) {
|
||||
case X25_STATE_1:
|
||||
queued = x25_state1_machine(sk, skb, frametype);
|
||||
break;
|
||||
case X25_STATE_2:
|
||||
queued = x25_state2_machine(sk, skb, frametype);
|
||||
break;
|
||||
case X25_STATE_3:
|
||||
queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
|
||||
break;
|
||||
case X25_STATE_4:
|
||||
queued = x25_state4_machine(sk, skb, frametype);
|
||||
break;
|
||||
case X25_STATE_1:
|
||||
queued = x25_state1_machine(sk, skb, frametype);
|
||||
break;
|
||||
case X25_STATE_2:
|
||||
queued = x25_state2_machine(sk, skb, frametype);
|
||||
break;
|
||||
case X25_STATE_3:
|
||||
queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
|
||||
break;
|
||||
case X25_STATE_4:
|
||||
queued = x25_state4_machine(sk, skb, frametype);
|
||||
break;
|
||||
}
|
||||
|
||||
x25_kick(sk);
|
||||
|
||||
@ -76,30 +76,29 @@ void x25_link_control(struct sk_buff *skb, struct x25_neigh *nb,
|
||||
int confirm;
|
||||
|
||||
switch (frametype) {
|
||||
case X25_RESTART_REQUEST:
|
||||
confirm = !x25_t20timer_pending(nb);
|
||||
x25_stop_t20timer(nb);
|
||||
nb->state = X25_LINK_STATE_3;
|
||||
if (confirm)
|
||||
x25_transmit_restart_confirmation(nb);
|
||||
break;
|
||||
case X25_RESTART_REQUEST:
|
||||
confirm = !x25_t20timer_pending(nb);
|
||||
x25_stop_t20timer(nb);
|
||||
nb->state = X25_LINK_STATE_3;
|
||||
if (confirm)
|
||||
x25_transmit_restart_confirmation(nb);
|
||||
break;
|
||||
|
||||
case X25_RESTART_CONFIRMATION:
|
||||
x25_stop_t20timer(nb);
|
||||
nb->state = X25_LINK_STATE_3;
|
||||
break;
|
||||
case X25_RESTART_CONFIRMATION:
|
||||
x25_stop_t20timer(nb);
|
||||
nb->state = X25_LINK_STATE_3;
|
||||
break;
|
||||
|
||||
case X25_DIAGNOSTIC:
|
||||
printk(KERN_WARNING "x25: diagnostic #%d - "
|
||||
"%02X %02X %02X\n",
|
||||
skb->data[3], skb->data[4],
|
||||
skb->data[5], skb->data[6]);
|
||||
break;
|
||||
case X25_DIAGNOSTIC:
|
||||
printk(KERN_WARNING "x25: diagnostic #%d - %02X %02X %02X\n",
|
||||
skb->data[3], skb->data[4],
|
||||
skb->data[5], skb->data[6]);
|
||||
break;
|
||||
|
||||
default:
|
||||
printk(KERN_WARNING "x25: received unknown %02X "
|
||||
"with LCI 000\n", frametype);
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING "x25: received unknown %02X with LCI 000\n",
|
||||
frametype);
|
||||
break;
|
||||
}
|
||||
|
||||
if (nb->state == X25_LINK_STATE_3)
|
||||
@ -193,18 +192,18 @@ void x25_transmit_clear_request(struct x25_neigh *nb, unsigned int lci,
|
||||
void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
|
||||
{
|
||||
switch (nb->state) {
|
||||
case X25_LINK_STATE_0:
|
||||
skb_queue_tail(&nb->queue, skb);
|
||||
nb->state = X25_LINK_STATE_1;
|
||||
x25_establish_link(nb);
|
||||
break;
|
||||
case X25_LINK_STATE_1:
|
||||
case X25_LINK_STATE_2:
|
||||
skb_queue_tail(&nb->queue, skb);
|
||||
break;
|
||||
case X25_LINK_STATE_3:
|
||||
x25_send_frame(skb, nb);
|
||||
break;
|
||||
case X25_LINK_STATE_0:
|
||||
skb_queue_tail(&nb->queue, skb);
|
||||
nb->state = X25_LINK_STATE_1;
|
||||
x25_establish_link(nb);
|
||||
break;
|
||||
case X25_LINK_STATE_1:
|
||||
case X25_LINK_STATE_2:
|
||||
skb_queue_tail(&nb->queue, skb);
|
||||
break;
|
||||
case X25_LINK_STATE_3:
|
||||
x25_send_frame(skb, nb);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@ -214,14 +213,14 @@ void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
|
||||
void x25_link_established(struct x25_neigh *nb)
|
||||
{
|
||||
switch (nb->state) {
|
||||
case X25_LINK_STATE_0:
|
||||
nb->state = X25_LINK_STATE_2;
|
||||
break;
|
||||
case X25_LINK_STATE_1:
|
||||
x25_transmit_restart_request(nb);
|
||||
nb->state = X25_LINK_STATE_2;
|
||||
x25_start_t20timer(nb);
|
||||
break;
|
||||
case X25_LINK_STATE_0:
|
||||
nb->state = X25_LINK_STATE_2;
|
||||
break;
|
||||
case X25_LINK_STATE_1:
|
||||
x25_transmit_restart_request(nb);
|
||||
nb->state = X25_LINK_STATE_2;
|
||||
x25_start_t20timer(nb);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -126,32 +126,30 @@ void x25_write_internal(struct sock *sk, int frametype)
|
||||
* Adjust frame size.
|
||||
*/
|
||||
switch (frametype) {
|
||||
case X25_CALL_REQUEST:
|
||||
len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN +
|
||||
X25_MAX_CUD_LEN;
|
||||
break;
|
||||
case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
|
||||
if(x25->facilities.reverse & 0x80) {
|
||||
len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
|
||||
} else {
|
||||
len += 1 + X25_MAX_FAC_LEN;
|
||||
}
|
||||
break;
|
||||
case X25_CLEAR_REQUEST:
|
||||
case X25_RESET_REQUEST:
|
||||
len += 2;
|
||||
break;
|
||||
case X25_RR:
|
||||
case X25_RNR:
|
||||
case X25_REJ:
|
||||
case X25_CLEAR_CONFIRMATION:
|
||||
case X25_INTERRUPT_CONFIRMATION:
|
||||
case X25_RESET_CONFIRMATION:
|
||||
break;
|
||||
default:
|
||||
printk(KERN_ERR "X.25: invalid frame type %02X\n",
|
||||
frametype);
|
||||
return;
|
||||
case X25_CALL_REQUEST:
|
||||
len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
|
||||
break;
|
||||
case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
|
||||
if (x25->facilities.reverse & 0x80) {
|
||||
len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
|
||||
} else {
|
||||
len += 1 + X25_MAX_FAC_LEN;
|
||||
}
|
||||
break;
|
||||
case X25_CLEAR_REQUEST:
|
||||
case X25_RESET_REQUEST:
|
||||
len += 2;
|
||||
break;
|
||||
case X25_RR:
|
||||
case X25_RNR:
|
||||
case X25_REJ:
|
||||
case X25_CLEAR_CONFIRMATION:
|
||||
case X25_INTERRUPT_CONFIRMATION:
|
||||
case X25_RESET_CONFIRMATION:
|
||||
break;
|
||||
default:
|
||||
printk(KERN_ERR "X.25: invalid frame type %02X\n", frametype);
|
||||
return;
|
||||
}
|
||||
|
||||
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
|
||||
@ -276,20 +274,20 @@ int x25_decode(struct sock *sk, struct sk_buff *skb, int *ns, int *nr, int *q,
|
||||
*ns = *nr = *q = *d = *m = 0;
|
||||
|
||||
switch (frame[2]) {
|
||||
case X25_CALL_REQUEST:
|
||||
case X25_CALL_ACCEPTED:
|
||||
case X25_CLEAR_REQUEST:
|
||||
case X25_CLEAR_CONFIRMATION:
|
||||
case X25_INTERRUPT:
|
||||
case X25_INTERRUPT_CONFIRMATION:
|
||||
case X25_RESET_REQUEST:
|
||||
case X25_RESET_CONFIRMATION:
|
||||
case X25_RESTART_REQUEST:
|
||||
case X25_RESTART_CONFIRMATION:
|
||||
case X25_REGISTRATION_REQUEST:
|
||||
case X25_REGISTRATION_CONFIRMATION:
|
||||
case X25_DIAGNOSTIC:
|
||||
return frame[2];
|
||||
case X25_CALL_REQUEST:
|
||||
case X25_CALL_ACCEPTED:
|
||||
case X25_CLEAR_REQUEST:
|
||||
case X25_CLEAR_CONFIRMATION:
|
||||
case X25_INTERRUPT:
|
||||
case X25_INTERRUPT_CONFIRMATION:
|
||||
case X25_RESET_REQUEST:
|
||||
case X25_RESET_CONFIRMATION:
|
||||
case X25_RESTART_REQUEST:
|
||||
case X25_RESTART_CONFIRMATION:
|
||||
case X25_REGISTRATION_REQUEST:
|
||||
case X25_REGISTRATION_CONFIRMATION:
|
||||
case X25_DIAGNOSTIC:
|
||||
return frame[2];
|
||||
}
|
||||
|
||||
if (x25->neighbour->extended) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user