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authorRalf Baechle <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
committer <ralf@linux-mips.org>1997-04-29 21:13:14 +0000
commit19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch)
tree40b1cb534496a7f1ca0f5c314a523c69f1fee464 /fs/ncpfs/sock.c
parent7206675c40394c78a90e74812bbdbf8cf3cca1be (diff)
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'fs/ncpfs/sock.c')
-rw-r--r--fs/ncpfs/sock.c610
1 files changed, 155 insertions, 455 deletions
diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
index b8017a9d2..19b42890d 100644
--- a/fs/ncpfs/sock.c
+++ b/fs/ncpfs/sock.c
@@ -18,304 +18,66 @@
#include <linux/net.h>
#include <linux/mm.h>
#include <linux/netdevice.h>
+#include <net/scm.h>
#include <linux/ipx.h>
#include <linux/ncp.h>
#include <linux/ncp_fs.h>
#include <linux/ncp_fs_sb.h>
#include <net/sock.h>
+#include <linux/poll.h>
-
-#define _S(nr) (1<<((nr)-1))
-static int _recvfrom(struct socket *sock, unsigned char *ubuf,
- int size, int noblock, unsigned flags,
- struct sockaddr_ipx *sa, int *addr_len)
+static int _recv(struct socket *sock, unsigned char *ubuf, int size,
+ unsigned flags)
{
- struct iovec iov;
- struct msghdr msg;
-
- iov.iov_base = ubuf;
- iov.iov_len = size;
-
- msg.msg_name = (void *)sa;
- msg.msg_namelen = 0;
- if (addr_len)
- msg.msg_namelen = *addr_len;
- msg.msg_control = NULL;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
-
- return sock->ops->recvmsg(sock, &msg, size, noblock, flags, addr_len);
-}
+ struct iovec iov;
+ struct msghdr msg;
+ struct scm_cookie scm;
-static int _sendto(struct socket *sock, const void *buff,
- int len, int nonblock, unsigned flags,
- struct sockaddr_ipx *sa, int addr_len)
+ memset(&scm, 0, sizeof(scm));
-{
- struct iovec iov;
- struct msghdr msg;
-
- iov.iov_base = (void *)buff;
- iov.iov_len = len;
-
- msg.msg_name = (void *)sa;
- msg.msg_namelen = addr_len;
- msg.msg_control = NULL;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
-
- return sock->ops->sendmsg(sock, &msg, len, nonblock, flags);
-}
+ iov.iov_base = ubuf;
+ iov.iov_len = size;
-
-static void
-ncp_wdog_data_ready(struct sock *sk, int len)
-{
- struct socket *sock = sk->socket;
-
- if (!sk->dead)
- {
- unsigned char packet_buf[2];
- struct sockaddr_ipx sender;
- int addr_len = sizeof(struct sockaddr_ipx);
- int result;
- unsigned short fs;
-
- fs = get_fs();
- set_fs(get_ds());
-
- result = _recvfrom(sock, (void *)packet_buf, 2, 1, 0,
- &sender, &addr_len);
-
- if ( (result != 2)
- || (packet_buf[1] != '?')
- /* How to check connection number here? */
- )
- {
- printk("ncpfs: got strange packet on watchdog "
- "socket\n");
- }
- else
- {
- int result;
- DDPRINTK("ncpfs: got watchdog from:\n");
- DDPRINTK("ncpfs: %08lX:%02X%02X%02X%02X%02X%02X:%04X,"
- " conn:%02X,type:%c\n",
- htonl(sender.sipx_network),
- sender.sipx_node[0], sender.sipx_node[1],
- sender.sipx_node[2], sender.sipx_node[3],
- sender.sipx_node[4], sender.sipx_node[5],
- ntohs(sender.sipx_port),
- packet_buf[0], packet_buf[1]);
-
- packet_buf[1] = 'Y';
- result = _sendto(sock, (void *)packet_buf, 2, 1, 0,
- &sender, sizeof(sender));
- DDPRINTK("send result: %d\n", result);
- }
- set_fs(fs);
- }
-}
-
-int
-ncp_catch_watchdog(struct ncp_server *server)
-{
- struct file *file;
- struct inode *inode;
- struct socket *sock;
- struct sock *sk;
-
- if ( (server == NULL)
- || ((file = server->wdog_filp) == NULL)
- || ((inode = file->f_inode) == NULL)
- || (!S_ISSOCK(inode->i_mode)))
- {
- printk("ncp_catch_watchdog: did not get valid server!\n");
- server->data_ready = NULL;
- return -EINVAL;
- }
-
- sock = &(inode->u.socket_i);
-
- if (sock->type != SOCK_DGRAM)
- {
- printk("ncp_catch_watchdog: did not get SOCK_DGRAM\n");
- server->data_ready = NULL;
- return -EINVAL;
- }
-
- sk = (struct sock *)(sock->data);
-
- if (sk == NULL)
- {
- printk("ncp_catch_watchdog: sk == NULL");
- server->data_ready = NULL;
- return -EINVAL;
- }
-
- DDPRINTK("ncp_catch_watchdog: sk->d_r = %x, server->d_r = %x\n",
- (unsigned int)(sk->data_ready),
- (unsigned int)(server->data_ready));
-
- if (sk->data_ready == ncp_wdog_data_ready)
- {
- printk("ncp_catch_watchdog: already done\n");
- return -EINVAL;
- }
-
- server->data_ready = sk->data_ready;
- sk->data_ready = ncp_wdog_data_ready;
- sk->allocation = GFP_ATOMIC;
- return 0;
-}
-
-int
-ncp_dont_catch_watchdog(struct ncp_server *server)
-{
- struct file *file;
- struct inode *inode;
- struct socket *sock;
- struct sock *sk;
-
- if ( (server == NULL)
- || ((file = server->wdog_filp) == NULL)
- || ((inode = file->f_inode) == NULL)
- || (!S_ISSOCK(inode->i_mode)))
- {
- printk("ncp_dont_catch_watchdog: "
- "did not get valid server!\n");
- return -EINVAL;
- }
-
- sock = &(inode->u.socket_i);
-
- if (sock->type != SOCK_DGRAM)
- {
- printk("ncp_dont_catch_watchdog: did not get SOCK_DGRAM\n");
- return -EINVAL;
- }
-
- sk = (struct sock *)(sock->data);
-
- if (sk == NULL)
- {
- printk("ncp_dont_catch_watchdog: sk == NULL");
- return -EINVAL;
- }
-
- if (server->data_ready == NULL)
- {
- printk("ncp_dont_catch_watchdog: "
- "server->data_ready == NULL\n");
- return -EINVAL;
- }
-
- if (sk->data_ready != ncp_wdog_data_ready)
- {
- printk("ncp_dont_catch_watchdog: "
- "sk->data_callback != ncp_data_callback\n");
- return -EINVAL;
- }
-
- DDPRINTK("ncp_dont_catch_watchdog: sk->d_r = %x, server->d_r = %x\n",
- (unsigned int)(sk->data_ready),
- (unsigned int)(server->data_ready));
-
- sk->data_ready = server->data_ready;
- sk->allocation = GFP_KERNEL;
- server->data_ready = NULL;
- return 0;
+ msg.msg_name = NULL;
+ msg.msg_namelen = 0;
+ msg.msg_control = NULL;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ return sock->ops->recvmsg(sock, &msg, size, flags, &scm);
}
-static void
-ncp_msg_data_ready(struct sock *sk, int len)
+static int _send(struct socket *sock, const void *buff, int len)
{
- struct socket *sock = sk->socket;
-
- if (!sk->dead)
- {
- unsigned char packet_buf[2];
- struct sockaddr_ipx sender;
- int addr_len = sizeof(struct sockaddr_ipx);
- int result;
- unsigned short fs;
-
- fs = get_fs();
- set_fs(get_ds());
-
- result = _recvfrom(sock, (void *)packet_buf, 2, 1, 0,
- &sender, &addr_len);
-
- DPRINTK("ncpfs: got message of size %d from:\n", result);
- DPRINTK("ncpfs: %08lX:%02X%02X%02X%02X%02X%02X:%04X,"
- " conn:%02X,type:%c\n",
- htonl(sender.sipx_network),
- sender.sipx_node[0], sender.sipx_node[1],
- sender.sipx_node[2], sender.sipx_node[3],
- sender.sipx_node[4], sender.sipx_node[5],
- ntohs(sender.sipx_port),
- packet_buf[0], packet_buf[1]);
-
- ncp_trigger_message(sk->protinfo.af_ipx.ncp_server);
-
- set_fs(fs);
+ struct iovec iov;
+ struct msghdr msg;
+ struct scm_cookie scm;
+ int err;
+
+ iov.iov_base = (void *) buff;
+ iov.iov_len = len;
+
+ msg.msg_name = NULL;
+ msg.msg_namelen = 0;
+ msg.msg_control = NULL;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ msg.msg_flags = 0;
+
+ err = scm_send(sock, &msg, &scm);
+ if (err < 0) {
+ return err;
}
+ err = sock->ops->sendmsg(sock, &msg, len, &scm);
+ scm_destroy(&scm);
+ return err;
}
-int
-ncp_catch_message(struct ncp_server *server)
-{
- struct file *file;
- struct inode *inode;
- struct socket *sock;
- struct sock *sk;
-
- if ( (server == NULL)
- || ((file = server->msg_filp) == NULL)
- || ((inode = file->f_inode) == NULL)
- || (!S_ISSOCK(inode->i_mode)))
- {
- printk("ncp_catch_message: did not get valid server!\n");
- return -EINVAL;
- }
-
- sock = &(inode->u.socket_i);
-
- if (sock->type != SOCK_DGRAM)
- {
- printk("ncp_catch_message: did not get SOCK_DGRAM\n");
- return -EINVAL;
- }
-
- sk = (struct sock *)(sock->data);
-
- if (sk == NULL)
- {
- printk("ncp_catch_message: sk == NULL");
- return -EINVAL;
- }
-
- DDPRINTK("ncp_catch_message: sk->d_r = %x\n",
- (unsigned int)(sk->data_ready));
-
- if (sk->data_ready == ncp_msg_data_ready)
- {
- printk("ncp_catch_message: already done\n");
- return -EINVAL;
- }
-
- sk->data_ready = ncp_msg_data_ready;
- sk->protinfo.af_ipx.ncp_server = server;
- return 0;
-}
-
#define NCP_SLACK_SPACE 1024
#define _S(nr) (1<<((nr)-1))
-static int
-do_ncp_rpc_call(struct ncp_server *server, int size)
+static int do_ncp_rpc_call(struct ncp_server *server, int size)
{
struct file *file;
struct inode *inode;
@@ -323,32 +85,26 @@ do_ncp_rpc_call(struct ncp_server *server, int size)
unsigned short fs;
int result;
char *start = server->packet;
- select_table wait_table;
- struct select_table_entry entry;
- int (*select) (struct inode *, struct file *, int, select_table *);
+ poll_table wait_table;
+ struct poll_table_entry entry;
int init_timeout, max_timeout;
int timeout;
int retrans;
int major_timeout_seen;
int acknowledge_seen;
- char *server_name;
int n;
- int addrlen;
unsigned long old_mask;
/* We have to check the result, so store the complete header */
struct ncp_request_header request =
- *((struct ncp_request_header *)(server->packet));
-
- struct ncp_reply_header reply;
+ *((struct ncp_request_header *) (server->packet));
+ struct ncp_reply_header reply;
file = server->ncp_filp;
inode = file->f_inode;
- select = file->f_op->select;
sock = &inode->u.socket_i;
- if (!sock)
- {
+ if (!sock) {
printk("ncp_rpc_call: socki_lookup failed\n");
return -EBADF;
}
@@ -357,63 +113,53 @@ do_ncp_rpc_call(struct ncp_server *server, int size)
retrans = server->m.retry_count;
major_timeout_seen = 0;
acknowledge_seen = 0;
- server_name = server->m.server_name;
old_mask = current->blocked;
current->blocked |= ~(_S(SIGKILL)
#if 0
- | _S(SIGSTOP)
+ | _S(SIGSTOP)
#endif
- | ((server->m.flags & NCP_MOUNT_INTR)
- ? ((current->sig->action[SIGINT - 1].sa_handler == SIG_DFL
- ? _S(SIGINT) : 0)
- | (current->sig->action[SIGQUIT - 1].sa_handler == SIG_DFL
- ? _S(SIGQUIT) : 0))
- : 0));
+ | ((server->m.flags & NCP_MOUNT_INTR)
+ ? ((current->sig->action[SIGINT - 1].sa_handler == SIG_DFL
+ ? _S(SIGINT) : 0)
+ | (current->sig->action[SIGQUIT - 1].sa_handler == SIG_DFL
+ ? _S(SIGQUIT) : 0))
+ : 0));
fs = get_fs();
set_fs(get_ds());
- for (n = 0, timeout = init_timeout; ; n++, timeout <<= 1)
- {
+ for (n = 0, timeout = init_timeout;; n++, timeout <<= 1) {
DDPRINTK("ncpfs: %08lX:%02X%02X%02X%02X%02X%02X:%04X\n",
- htonl(server->m.serv_addr.sipx_network),
- server->m.serv_addr.sipx_node[0],
- server->m.serv_addr.sipx_node[1],
- server->m.serv_addr.sipx_node[2],
- server->m.serv_addr.sipx_node[3],
- server->m.serv_addr.sipx_node[4],
- server->m.serv_addr.sipx_node[5],
- ntohs(server->m.serv_addr.sipx_port));
+ htonl(server->m.serv_addr.sipx_network),
+ server->m.serv_addr.sipx_node[0],
+ server->m.serv_addr.sipx_node[1],
+ server->m.serv_addr.sipx_node[2],
+ server->m.serv_addr.sipx_node[3],
+ server->m.serv_addr.sipx_node[4],
+ server->m.serv_addr.sipx_node[5],
+ ntohs(server->m.serv_addr.sipx_port));
DDPRINTK("ncpfs: req.typ: %04X, con: %d, "
- "seq: %d",
- request.type,
- (request.conn_high << 8) + request.conn_low,
- request.sequence);
+ "seq: %d",
+ request.type,
+ (request.conn_high << 8) + request.conn_low,
+ request.sequence);
DDPRINTK(" func: %d\n",
request.function);
- result = _sendto(sock, (void *) start, size, 0, 0,
- &(server->m.serv_addr),
- sizeof(server->m.serv_addr));
- if (result < 0)
- {
+ result = _send(sock, (void *) start, size);
+ if (result < 0) {
printk("ncp_rpc_call: send error = %d\n", result);
break;
}
- re_select:
+ re_select:
wait_table.nr = 0;
wait_table.entry = &entry;
current->state = TASK_INTERRUPTIBLE;
- if ( !select(inode, file, SEL_IN, &wait_table)
- && !select(inode, file, SEL_IN, NULL))
- {
- if (timeout > max_timeout)
- {
+ if (!(file->f_op->poll(file, &wait_table) & POLLIN)) {
+ if (timeout > max_timeout) {
/* JEJB/JSP 2/7/94
* This is useful to see if the system is
* hanging */
- if (acknowledge_seen == 0)
- {
- printk("NCP max timeout reached on "
- "%s\n", server_name);
+ if (acknowledge_seen == 0) {
+ printk("NCP max timeout\n");
}
timeout = max_timeout;
}
@@ -421,105 +167,87 @@ do_ncp_rpc_call(struct ncp_server *server, int size)
schedule();
remove_wait_queue(entry.wait_address, &entry.wait);
current->state = TASK_RUNNING;
- if (current->signal & ~current->blocked)
- {
+ if (current->signal & ~current->blocked) {
current->timeout = 0;
result = -ERESTARTSYS;
break;
}
- if (!current->timeout)
- {
+ if (!current->timeout) {
if (n < retrans)
continue;
- if (server->m.flags & NCP_MOUNT_SOFT)
- {
- printk("NCP server %s not responding, "
- "timed out\n", server_name);
+ if (server->m.flags & NCP_MOUNT_SOFT) {
+ printk("NCP server not responding\n");
result = -EIO;
break;
}
n = 0;
timeout = init_timeout;
init_timeout <<= 1;
- if (!major_timeout_seen)
- {
- printk("NCP server %s not responding, "
- "still trying\n", server_name);
+ if (!major_timeout_seen) {
+ printk("NCP server not responding\n");
}
major_timeout_seen = 1;
continue;
- }
- else
+ } else
current->timeout = 0;
- }
- else if (wait_table.nr)
+ } else if (wait_table.nr)
remove_wait_queue(entry.wait_address, &entry.wait);
current->state = TASK_RUNNING;
- addrlen = 0;
/* Get the header from the next packet using a peek, so keep it
* on the recv queue. If it is wrong, it will be some reply
* we don't now need, so discard it */
- result = _recvfrom(sock, (void *)&reply,
- sizeof(reply), 1, MSG_PEEK,
- NULL, &addrlen);
- if (result < 0)
- {
- if (result == -EAGAIN)
- {
+ result = _recv(sock, (void *) &reply, sizeof(reply),
+ MSG_PEEK | MSG_DONTWAIT);
+ if (result < 0) {
+ if (result == -EAGAIN) {
DPRINTK("ncp_rpc_call: bad select ready\n");
goto re_select;
}
- if (result == -ECONNREFUSED)
- {
+ if (result == -ECONNREFUSED) {
DPRINTK("ncp_rpc_call: server playing coy\n");
goto re_select;
}
- if (result != -ERESTARTSYS)
- {
+ if (result != -ERESTARTSYS) {
printk("ncp_rpc_call: recv error = %d\n",
- -result);
+ -result);
}
break;
}
- if ( (result == sizeof(reply))
- && (reply.type == NCP_POSITIVE_ACK))
- {
+ if ((result == sizeof(reply))
+ && (reply.type == NCP_POSITIVE_ACK)) {
/* Throw away the packet */
DPRINTK("ncp_rpc_call: got positive acknowledge\n");
- _recvfrom(sock, (void *)&reply, sizeof(reply), 1, 0,
- NULL, &addrlen);
+ _recv(sock, (void *) &reply, sizeof(reply),
+ MSG_DONTWAIT);
n = 0;
timeout = max_timeout;
acknowledge_seen = 1;
goto re_select;
}
-
DDPRINTK("ncpfs: rep.typ: %04X, con: %d, tsk: %d,"
- "seq: %d\n",
- reply.type,
- (reply.conn_high << 8) + reply.conn_low,
- reply.task,
- reply.sequence);
-
- if ( (result >= sizeof(reply))
- && (reply.type == NCP_REPLY)
- && ( (request.type == NCP_ALLOC_SLOT_REQUEST)
- || ( (reply.sequence == request.sequence)
- && (reply.conn_low == request.conn_low)
-/* seem to get wrong task from NW311 && (reply.task == request.task)*/
- && (reply.conn_high == request.conn_high))))
- {
+ "seq: %d\n",
+ reply.type,
+ (reply.conn_high << 8) + reply.conn_low,
+ reply.task,
+ reply.sequence);
+
+ if ((result >= sizeof(reply))
+ && (reply.type == NCP_REPLY)
+ && ((request.type == NCP_ALLOC_SLOT_REQUEST)
+ || ((reply.sequence == request.sequence)
+ && (reply.conn_low == request.conn_low)
+/* seem to get wrong task from NW311 && (reply.task == request.task) */
+ && (reply.conn_high == request.conn_high)))) {
if (major_timeout_seen)
- printk("NCP server %s OK\n", server_name);
+ printk("NCP server OK\n");
break;
}
/* JEJB/JSP 2/7/94
* we have xid mismatch, so discard the packet and start
* again. What a hack! but I can't call recvfrom with
* a null buffer yet. */
- _recvfrom(sock, (void *)&reply, sizeof(reply), 1, 0, NULL,
- &addrlen);
+ _recv(sock, (void *) &reply, sizeof(reply), MSG_DONTWAIT);
DPRINTK("ncp_rpc_call: reply mismatch\n");
goto re_select;
@@ -528,54 +256,42 @@ do_ncp_rpc_call(struct ncp_server *server, int size)
* we have the correct reply, so read into the correct place and
* return it
*/
- result = _recvfrom(sock, (void *)start, server->packet_size,
- 1, 0, NULL, &addrlen);
- if (result < 0)
- {
+ result = _recv(sock, (void *) start, server->packet_size, MSG_DONTWAIT);
+ if (result < 0) {
printk("NCP: notice message: result=%d\n", result);
- }
- else if (result < sizeof(struct ncp_reply_header))
- {
+ } else if (result < sizeof(struct ncp_reply_header)) {
printk("NCP: just caught a too small read memory size..., "
"email to NET channel\n");
- printk("NCP: result=%d,addrlen=%d\n", result, addrlen);
+ printk("NCP: result=%d\n", result);
result = -EIO;
}
-
current->blocked = old_mask;
set_fs(fs);
return result;
}
-
/*
* We need the server to be locked here, so check!
*/
-static int
-ncp_do_request(struct ncp_server *server, int size)
+static int ncp_do_request(struct ncp_server *server, int size)
{
int result;
- if (server->lock == 0)
- {
+ if (server->lock == 0) {
printk("ncpfs: Server not locked!\n");
return -EIO;
}
-
- if (!ncp_conn_valid(server))
- {
+ if (!ncp_conn_valid(server)) {
return -EIO;
}
-
result = do_ncp_rpc_call(server, size);
DDPRINTK("do_ncp_rpc_call returned %d\n", result);
- if (result < 0)
- {
+ if (result < 0) {
/* There was a problem with I/O, so the connections is
- * no longer usable. */
+ * no longer usable. */
ncp_invalidate_conn(server);
}
return result;
@@ -584,121 +300,105 @@ ncp_do_request(struct ncp_server *server, int size)
/* ncp_do_request assures that at least a complete reply header is
* received. It assumes that server->current_size contains the ncp
* request size */
-int
-ncp_request(struct ncp_server *server, int function)
+int ncp_request(struct ncp_server *server, int function)
{
struct ncp_request_header *h
- = (struct ncp_request_header *)(server->packet);
+ = (struct ncp_request_header *) (server->packet);
struct ncp_reply_header *reply
- = (struct ncp_reply_header *)(server->packet);
+ = (struct ncp_reply_header *) (server->packet);
int request_size = server->current_size
- - sizeof(struct ncp_request_header);
+ - sizeof(struct ncp_request_header);
int result;
- if (server->has_subfunction != 0)
- {
- *(__u16 *)&(h->data[0]) = htons(request_size - 2);
+ if (server->has_subfunction != 0) {
+ *(__u16 *) & (h->data[0]) = htons(request_size - 2);
}
-
h->type = NCP_REQUEST;
-
+
server->sequence += 1;
- h->sequence = server->sequence;
- h->conn_low = (server->connection) & 0xff;
+ h->sequence = server->sequence;
+ h->conn_low = (server->connection) & 0xff;
h->conn_high = ((server->connection) & 0xff00) >> 8;
- h->task = (current->pid) & 0xff;
- h->function = function;
+ h->task = (current->pid) & 0xff;
+ h->function = function;
- if ((result = ncp_do_request(server, request_size + sizeof(*h))) < 0)
- {
+ if ((result = ncp_do_request(server, request_size + sizeof(*h))) < 0) {
DPRINTK("ncp_request_error: %d\n", result);
return result;
}
-
- server->completion = reply->completion_code;
+ server->completion = reply->completion_code;
server->conn_status = reply->connection_state;
- server->reply_size = result;
+ server->reply_size = result;
server->ncp_reply_size = result - sizeof(struct ncp_reply_header);
result = reply->completion_code;
- if (result != 0)
- {
+ if (result != 0) {
DPRINTK("ncp_completion_code: %x\n", result);
}
- return result;
+ return result;
}
-int
-ncp_connect(struct ncp_server *server)
+int ncp_connect(struct ncp_server *server)
{
struct ncp_request_header *h
- = (struct ncp_request_header *)(server->packet);
+ = (struct ncp_request_header *) (server->packet);
int result;
h->type = NCP_ALLOC_SLOT_REQUEST;
-
+
server->sequence = 0;
- h->sequence = server->sequence;
- h->conn_low = 0xff;
+ h->sequence = server->sequence;
+ h->conn_low = 0xff;
h->conn_high = 0xff;
- h->task = (current->pid) & 0xff;
- h->function = 0;
+ h->task = (current->pid) & 0xff;
+ h->function = 0;
- if ((result = ncp_do_request(server, sizeof(*h))) < 0)
- {
+ if ((result = ncp_do_request(server, sizeof(*h))) < 0) {
return result;
}
-
server->sequence = 0;
server->connection = h->conn_low + (h->conn_high * 256);
return 0;
}
-
-int
-ncp_disconnect(struct ncp_server *server)
+
+int ncp_disconnect(struct ncp_server *server)
{
struct ncp_request_header *h
- = (struct ncp_request_header *)(server->packet);
+ = (struct ncp_request_header *) (server->packet);
h->type = NCP_DEALLOC_SLOT_REQUEST;
-
+
server->sequence += 1;
- h->sequence = server->sequence;
- h->conn_low = (server->connection) & 0xff;
+ h->sequence = server->sequence;
+ h->conn_low = (server->connection) & 0xff;
h->conn_high = ((server->connection) & 0xff00) >> 8;
- h->task = (current->pid) & 0xff;
- h->function = 0;
+ h->task = (current->pid) & 0xff;
+ h->function = 0;
return ncp_do_request(server, sizeof(*h));
}
-void
-ncp_lock_server(struct ncp_server *server)
+void ncp_lock_server(struct ncp_server *server)
{
#if 0
/* For testing, only 1 process */
- if (server->lock != 0)
- {
+ if (server->lock != 0) {
DPRINTK("ncpfs: server locked!!!\n");
}
#endif
- while (server->lock)
+ while (server->lock)
sleep_on(&server->wait);
server->lock = 1;
}
-void
-ncp_unlock_server(struct ncp_server *server)
+void ncp_unlock_server(struct ncp_server *server)
{
- if (server->lock != 1)
- {
- printk("ncp_unlock_server: was not locked!\n");
- }
-
- server->lock = 0;
- wake_up(&server->wait);
+ if (server->lock != 1) {
+ printk("ncp_unlock_server: was not locked!\n");
+ }
+ server->lock = 0;
+ wake_up(&server->wait);
}
-