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Diffstat (limited to 'net/econet/af_econet.c')
-rw-r--r--net/econet/af_econet.c172
1 files changed, 84 insertions, 88 deletions
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index a1d9f37..1c1f26c 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -9,6 +9,8 @@
*
*/
+#define pr_fmt(fmt) fmt
+
#include <linux/module.h>
#include <linux/types.h>
@@ -44,7 +46,7 @@
#include <linux/bitops.h>
#include <linux/mutex.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/system.h>
static const struct proto_ops econet_ops;
@@ -63,9 +65,7 @@ static DEFINE_SPINLOCK(aun_queue_lock);
static struct socket *udpsock;
#define AUN_PORT 0x8000
-
-struct aunhdr
-{
+struct aunhdr {
unsigned char code; /* AUN magic protocol byte */
unsigned char port;
unsigned char cb;
@@ -82,8 +82,7 @@ static struct timer_list ab_cleanup_timer;
#endif /* CONFIG_ECONET_AUNUDP */
/* Per-packet information */
-struct ec_cb
-{
+struct ec_cb {
struct sockaddr_ec sec;
unsigned long cookie; /* Supplied by user. */
#ifdef CONFIG_ECONET_AUNUDP
@@ -137,7 +136,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
* but then it will block.
*/
- skb=skb_recv_datagram(sk,flags,flags&MSG_DONTWAIT,&err);
+ skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
/*
* An error occurred so return it. Because skb_recv_datagram()
@@ -145,7 +144,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
* retries.
*/
- if(skb==NULL)
+ if (skb == NULL)
goto out;
/*
@@ -154,10 +153,9 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
*/
copied = skb->len;
- if (copied > len)
- {
- copied=len;
- msg->msg_flags|=MSG_TRUNC;
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
}
/* We can't use skb_copy_datagram here */
@@ -186,7 +184,8 @@ out:
* Bind an Econet socket.
*/
-static int econet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int econet_bind(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len)
{
struct sockaddr_ec *sec = (struct sockaddr_ec *)uaddr;
struct sock *sk;
@@ -226,9 +225,8 @@ static void tx_result(struct sock *sk, unsigned long cookie, int result)
struct ec_cb *eb;
struct sockaddr_ec *sec;
- if (skb == NULL)
- {
- printk(KERN_DEBUG "ec: memory squeeze, transmit result dropped.\n");
+ if (skb == NULL) {
+ pr_debug("econet: memory squeeze, transmit result dropped\n");
return;
}
@@ -265,7 +263,7 @@ static void ec_tx_done(struct sk_buff *skb, int result)
static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
- struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name;
+ struct sockaddr_ec *saddr = (struct sockaddr_ec *)msg->msg_name;
struct net_device *dev;
struct ec_addr addr;
int err;
@@ -298,14 +296,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
mutex_lock(&econet_mutex);
- if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
- mutex_unlock(&econet_mutex);
- return -EINVAL;
- }
- addr.station = saddr->addr.station;
- addr.net = saddr->addr.net;
- port = saddr->port;
- cb = saddr->cb;
+ if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
+ mutex_unlock(&econet_mutex);
+ return -EINVAL;
+ }
+ addr.station = saddr->addr.station;
+ addr.net = saddr->addr.net;
+ port = saddr->port;
+ cb = saddr->cb;
/* Look for a device with the right network number. */
dev = net2dev_map[addr.net];
@@ -333,9 +331,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
dev_hold(dev);
- skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
+ skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
msg->msg_flags & MSG_DONTWAIT, &err);
- if (skb==NULL)
+ if (skb == NULL)
goto out_unlock;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -355,7 +353,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
struct ec_framehdr *fh;
/* Poke in our control byte and
port number. Hack, hack. */
- fh = (struct ec_framehdr *)(skb->data);
+ fh = (struct ec_framehdr *)skb->data;
fh->cb = cb;
fh->port = port;
if (sock->type != SOCK_DGRAM) {
@@ -365,7 +363,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
}
/* Copy the data. Returns -EFAULT on error */
- err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
skb->protocol = proto;
skb->dev = dev;
skb->priority = sk->sk_priority;
@@ -385,9 +383,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
mutex_unlock(&econet_mutex);
return len;
- out_free:
+out_free:
kfree_skb(skb);
- out_unlock:
+out_unlock:
if (dev)
dev_put(dev);
#else
@@ -458,15 +456,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
goto error_free_buf;
/* Get a skbuff (no data, just holds our cb information) */
- if ((skb = sock_alloc_send_skb(sk, 0,
- msg->msg_flags & MSG_DONTWAIT,
- &err)) == NULL)
+ skb = sock_alloc_send_skb(sk, 0, msg->msg_flags & MSG_DONTWAIT, &err);
+ if (skb == NULL)
goto error_free_buf;
eb = (struct ec_cb *)&skb->cb;
eb->cookie = saddr->cookie;
- eb->timeout = (5*HZ);
+ eb->timeout = 5 * HZ;
eb->start = jiffies;
ah.handle = aun_seq;
eb->seq = (aun_seq++);
@@ -480,9 +477,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
udpmsg.msg_iovlen = 2;
udpmsg.msg_control = NULL;
udpmsg.msg_controllen = 0;
- udpmsg.msg_flags=0;
+ udpmsg.msg_flags = 0;
- oldfs = get_fs(); set_fs(KERNEL_DS); /* More privs :-) */
+ oldfs = get_fs();
+ set_fs(KERNEL_DS); /* More privs :-) */
err = sock_sendmsg(udpsock, &udpmsg, size);
set_fs(oldfs);
@@ -530,7 +528,7 @@ static int econet_getname(struct socket *sock, struct sockaddr *uaddr,
static void econet_destroy_timer(unsigned long data)
{
- struct sock *sk=(struct sock *)data;
+ struct sock *sk = (struct sock *)data;
if (!sk_has_allocations(sk)) {
sk_free(sk);
@@ -539,7 +537,7 @@ static void econet_destroy_timer(unsigned long data)
sk->sk_timer.expires = jiffies + 10 * HZ;
add_timer(&sk->sk_timer);
- printk(KERN_DEBUG "econet socket destroy delayed\n");
+ pr_debug("econet: socket destroy delayed\n");
}
/*
@@ -651,7 +649,8 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
return -EFAULT;
- if ((dev = dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
+ dev = dev_get_by_name(&init_net, ifr.ifr_name);
+ if (dev == NULL)
return -ENODEV;
sec = (struct sockaddr_ec *)&ifr.ifr_addr;
@@ -715,28 +714,26 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
* Handle generic ioctls
*/
-static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+static int econet_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg)
{
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
- switch(cmd) {
- case SIOCGSTAMP:
- return sock_get_timestamp(sk, argp);
+ switch (cmd) {
+ case SIOCGSTAMP:
+ return sock_get_timestamp(sk, argp);
- case SIOCGSTAMPNS:
- return sock_get_timestampns(sk, argp);
+ case SIOCGSTAMPNS:
+ return sock_get_timestampns(sk, argp);
- case SIOCSIFADDR:
- case SIOCGIFADDR:
- return ec_dev_ioctl(sock, cmd, argp);
- break;
+ case SIOCSIFADDR:
+ case SIOCGIFADDR:
+ return ec_dev_ioctl(sock, cmd, argp);
- default:
- return -ENOIOCTLCMD;
}
- /*NOTREACHED*/
- return 0;
+
+ return -ENOIOCTLCMD;
}
static const struct net_proto_family econet_family_ops = {
@@ -836,7 +833,7 @@ static void aun_send_response(__u32 addr, unsigned long seq, int code, int cb)
udpmsg.msg_namelen = sizeof(sin);
udpmsg.msg_control = NULL;
udpmsg.msg_controllen = 0;
- udpmsg.msg_flags=0;
+ udpmsg.msg_flags = 0;
kernel_sendmsg(udpsock, &udpmsg, &iov, 1, sizeof(ah));
}
@@ -859,26 +856,25 @@ static void aun_incoming(struct sk_buff *skb, struct aunhdr *ah, size_t len)
if (dst)
edev = dst->dev->ec_ptr;
- if (! edev)
+ if (!edev)
goto bad;
- if ((sk = ec_listening_socket(ah->port, stn, edev->net)) == NULL)
+ sk = ec_listening_socket(ah->port, stn, edev->net);
+ if (sk == NULL)
goto bad; /* Nobody wants it */
newskb = alloc_skb((len - sizeof(struct aunhdr) + 15) & ~15,
GFP_ATOMIC);
- if (newskb == NULL)
- {
- printk(KERN_DEBUG "AUN: memory squeeze, dropping packet.\n");
+ if (newskb == NULL) {
+ pr_debug("AUN: memory squeeze, dropping packet\n");
/* Send nack and hope sender tries again */
goto bad;
}
- memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah+1),
+ memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah + 1),
len - sizeof(struct aunhdr));
- if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port))
- {
+ if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port)) {
/* Socket is bankrupt. */
kfree_skb(newskb);
goto bad;
@@ -914,7 +910,7 @@ static void aun_tx_ack(unsigned long seq, int result)
goto foundit;
}
spin_unlock_irqrestore(&aun_queue_lock, flags);
- printk(KERN_DEBUG "AUN: unknown sequence %ld\n", seq);
+ pr_debug("AUN: unknown sequence %ld\n", seq);
return;
foundit:
@@ -939,18 +935,17 @@ static void aun_data_available(struct sock *sk, int slen)
while ((skb = skb_recv_datagram(sk, 0, 1, &err)) == NULL) {
if (err == -EAGAIN) {
- printk(KERN_ERR "AUN: no data available?!");
+ pr_err("AUN: no data available?!\n");
return;
}
- printk(KERN_DEBUG "AUN: recvfrom() error %d\n", -err);
+ pr_debug("AUN: recvfrom() error %d\n", -err);
}
data = skb_transport_header(skb) + sizeof(struct udphdr);
ah = (struct aunhdr *)data;
len = skb->len - sizeof(struct udphdr);
- switch (ah->code)
- {
+ switch (ah->code) {
case 2:
aun_incoming(skb, ah, len);
break;
@@ -961,7 +956,7 @@ static void aun_data_available(struct sock *sk, int slen)
aun_tx_ack(ah->handle, ECTYPE_TRANSMIT_NOT_LISTENING);
break;
default:
- printk(KERN_DEBUG "unknown AUN packet (type %d)\n", data[0]);
+ pr_debug("AUN: unknown packet type: %d\n", data[0]);
}
skb_free_datagram(sk, skb);
@@ -991,7 +986,7 @@ static void ab_cleanup(unsigned long h)
}
spin_unlock_irqrestore(&aun_queue_lock, flags);
- mod_timer(&ab_cleanup_timer, jiffies + (HZ*2));
+ mod_timer(&ab_cleanup_timer, jiffies + (HZ * 2));
}
static int __init aun_udp_initialise(void)
@@ -1001,7 +996,7 @@ static int __init aun_udp_initialise(void)
skb_queue_head_init(&aun_queue);
setup_timer(&ab_cleanup_timer, ab_cleanup, 0);
- ab_cleanup_timer.expires = jiffies + (HZ*2);
+ ab_cleanup_timer.expires = jiffies + (HZ * 2);
add_timer(&ab_cleanup_timer);
memset(&sin, 0, sizeof(sin));
@@ -1009,9 +1004,9 @@ static int __init aun_udp_initialise(void)
/* We can count ourselves lucky Acorn machines are too dim to
speak IPv6. :-) */
- if ((error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock)) < 0)
- {
- printk("AUN: socket error %d\n", -error);
+ error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock);
+ if (error < 0) {
+ pr_err("AUN: socket error %d\n", -error);
return error;
}
@@ -1020,10 +1015,9 @@ static int __init aun_udp_initialise(void)
from interrupts */
error = udpsock->ops->bind(udpsock, (struct sockaddr *)&sin,
- sizeof(sin));
- if (error < 0)
- {
- printk("AUN: bind error %d\n", -error);
+ sizeof(sin));
+ if (error < 0) {
+ pr_err("AUN: bind error %d\n", -error);
goto release;
}
@@ -1044,7 +1038,8 @@ release:
* Receive an Econet frame from a device.
*/
-static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int econet_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct ec_framehdr *hdr;
struct sock *sk = NULL;
@@ -1059,13 +1054,14 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
if (!edev)
goto drop;
- if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (skb == NULL)
return NET_RX_DROP;
if (!pskb_may_pull(skb, sizeof(struct ec_framehdr)))
goto drop;
- hdr = (struct ec_framehdr *) skb->data;
+ hdr = (struct ec_framehdr *)skb->data;
/* First check for encapsulated IP */
if (hdr->port == EC_PORT_IP) {
@@ -1093,8 +1089,8 @@ drop:
}
static struct packet_type econet_packet_type __read_mostly = {
- .type = cpu_to_be16(ETH_P_ECONET),
- .func = econet_rcv,
+ .type = cpu_to_be16(ETH_P_ECONET),
+ .func = econet_rcv,
};
static void econet_hw_initialise(void)
@@ -1104,9 +1100,10 @@ static void econet_hw_initialise(void)
#endif
-static int econet_notifier(struct notifier_block *this, unsigned long msg, void *data)
+static int econet_notifier(struct notifier_block *this, unsigned long msg,
+ void *data)
{
- struct net_device *dev = (struct net_device *)data;
+ struct net_device *dev = data;
struct ec_device *edev;
if (!net_eq(dev_net(dev), &init_net))
@@ -1116,8 +1113,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
case NETDEV_UNREGISTER:
/* A device has gone down - kill any data we hold for it. */
edev = dev->ec_ptr;
- if (edev)
- {
+ if (edev) {
if (net2dev_map[0] == dev)
net2dev_map[0] = NULL;
net2dev_map[edev->net] = NULL;
@@ -1131,7 +1127,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
}
static struct notifier_block econet_netdev_notifier = {
- .notifier_call =econet_notifier,
+ .notifier_call = econet_notifier,
};
static void __exit econet_proto_exit(void)
generated by cgit v1.1 at 2024-04-19 23:26:08 +0000