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Commit b1e16e5e authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
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o IPX: use seq_file for proc stuff 

Also move the lenghty ChangeLog to a separate file.

It also tidies a tiny bit of LLC.
parent aad31b6e
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Showing with 530 additions and 280 deletions
include/net/ipx.h
View file @ b1e16e5e
#ifndef _NET_INET_IPX_H_
#define _NET_INET_IPX_H_
/*
* The following information is in its entirety obtained from:
*
......@@ -7,9 +9,6 @@
* Which is available from ftp.novell.com
*/
#ifndef _NET_INET_IPX_H_
#define _NET_INET_IPX_H_
#include <linux/netdevice.h>
#include <net/datalink.h>
#include <linux/ipx.h>
......@@ -25,8 +24,7 @@ struct ipx_address {
#define IPX_MAX_PPROP_HOPS 8
struct ipxhdr
{
struct ipxhdr {
__u16 ipx_checksum __attribute__ ((packed));
#define IPX_NO_CHECKSUM 0xFFFF
__u16 ipx_pktsize __attribute__ ((packed));
......@@ -110,4 +108,17 @@ struct ipx_opt {
#define IPX_MIN_EPHEMERAL_SOCKET 0x4000
#define IPX_MAX_EPHEMERAL_SOCKET 0x7fff
extern struct ipx_route *ipx_routes;
extern rwlock_t ipx_routes_lock;
extern struct ipx_interface *ipx_interfaces;
extern spinlock_t ipx_interfaces_lock;
extern struct ipx_interface *ipx_primary_net;
extern int ipx_proc_init(void);
extern void ipx_proc_exit(void);
extern const char *ipx_frame_name(unsigned short);
extern const char *ipx_device_name(struct ipx_interface *intrfc);
#endif /* def _NET_INET_IPX_H_ */
net/ipx/ChangeLog 0 → 100644
View file @ b1e16e5e
Revision 0.21: Uses the new generic socket option code.
Revision 0.22: Gcc clean ups and drop out device registration. Use the
new multi-protocol edition of hard_header
Revision 0.23: IPX /proc by Mark Evans. Adding a route will
will overwrite any existing route to the same network.
Revision 0.24: Supports new /proc with no 4K limit
Revision 0.25: Add ephemeral sockets, passive local network
identification, support for local net 0 and
multiple datalinks <Greg Page>
Revision 0.26: Device drop kills IPX routes via it. (needed for module)
Revision 0.27: Autobind <Mark Evans>
Revision 0.28: Small fix for multiple local networks <Thomas Winder>
Revision 0.29: Assorted major errors removed <Mark Evans>
Small correction to promisc mode error fix <Alan Cox>
Asynchronous I/O support. Changed to use notifiers
and the newer packet_type stuff. Assorted major
fixes <Alejandro Liu>
Revision 0.30: Moved to net/ipx/... <Alan Cox>
Don't set address length on recvfrom that errors.
Incorrect verify_area.
Revision 0.31: New sk_buffs. This still needs a lot of
testing. <Alan Cox>
Revision 0.32: Using sock_alloc_send_skb, firewall hooks. <Alan Cox>
Supports sendmsg/recvmsg
Revision 0.33: Internal network support, routing changes, uses a
protocol private area for ipx data.
Revision 0.34: Module support. <Jim Freeman>
Revision 0.35: Checksum support. <Neil Turton>, hooked in by <Alan Cox>
Handles WIN95 discovery packets <Volker Lendecke>
Revision 0.36: Internal bump up for 2.1
Revision 0.37: Began adding POSIXisms.
Revision 0.38: Asynchronous socket stuff made current.
Revision 0.39: SPX interfaces
Revision 0.40: Tiny SIOCGSTAMP fix (chris@cybernet.co.nz)
Revision 0.41: 802.2TR removed (p.norton@computer.org)
Fixed connecting to primary net,
Automatic binding on send & receive,
Martijn van Oosterhout <kleptogimp@geocities.com>
Revision 042: Multithreading - use spinlocks and refcounting to
protect some structures: ipx_interface sock list, list
of ipx interfaces, etc.
Bugfixes - do refcounting on net_devices, check function
results, etc. Thanks to davem and freitag for
suggestions and guidance.
Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
November, 2000
Revision 043: Shared SKBs, don't mangle packets, some cleanups
Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
December, 2000
Revision 044: Call ipxitf_hold on NETDEV_UP - acme
Revision 045: fix PPROP routing bug - acme
Revision 046: Further fixes to PPROP, ipxitf_create_internal was
doing an unneeded MOD_INC_USE_COUNT, implement
sysctl for ipx_pprop_broacasting, fix the ipx sysctl
handling, making it dynamic, some cleanups, thanks to
Petr Vandrovec for review and good suggestions. (acme)
Revision 047: Cleanups, CodingStyle changes, move the ncp connection
hack out of line - acme
Revision 048: Use sk->protinfo to store the pointer to IPX private
area, remove af_ipx from sk->protinfo and move ipx_opt
to include/net/ipx.h, use IPX_SK like DecNET, etc - acme
Revision 049: SPX support dropped, see comment in ipx_create - acme
Revision 050: Use seq_file for proc stuff, moving it to ipx_proc.c - acme
Other fixes:
Protect the module by a MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT pair. Also, now
usage count is managed this way:
-Count one if the auto_interface mode is on
-Count one per configured interface
Jacques Gelinas (jacques@solucorp.qc.ca)
net/ipx/Makefile
View file @ b1e16e5e
......@@ -4,7 +4,7 @@
obj-$(CONFIG_IPX) += ipx.o
ipx-y := af_ipx.o
ipx-y := af_ipx.o ipx_proc.o
ipx-$(CONFIG_SYSCTL) += sysctl_net_ipx.o
ipx-objs := $(ipx-y)
......
net/ipx/af_ipx.c
View file @ b1e16e5e
......@@ -15,81 +15,17 @@
* liability nor provide warranty for any of this software. This material
* is provided as is and at no charge.
*
* Revision 0.21: Uses the new generic socket option code.
* Revision 0.22: Gcc clean ups and drop out device registration. Use the
* new multi-protocol edition of hard_header
* Revision 0.23: IPX /proc by Mark Evans. Adding a route will
* will overwrite any existing route to the same network.
* Revision 0.24: Supports new /proc with no 4K limit
* Revision 0.25: Add ephemeral sockets, passive local network
* identification, support for local net 0 and
* multiple datalinks <Greg Page>
* Revision 0.26: Device drop kills IPX routes via it. (needed for module)
* Revision 0.27: Autobind <Mark Evans>
* Revision 0.28: Small fix for multiple local networks <Thomas Winder>
* Revision 0.29: Assorted major errors removed <Mark Evans>
* Small correction to promisc mode error fix <Alan Cox>
* Asynchronous I/O support. Changed to use notifiers
* and the newer packet_type stuff. Assorted major
* fixes <Alejandro Liu>
* Revision 0.30: Moved to net/ipx/... <Alan Cox>
* Don't set address length on recvfrom that errors.
* Incorrect verify_area.
* Revision 0.31: New sk_buffs. This still needs a lot of
* testing. <Alan Cox>
* Revision 0.32: Using sock_alloc_send_skb, firewall hooks. <Alan Cox>
* Supports sendmsg/recvmsg
* Revision 0.33: Internal network support, routing changes, uses a
* protocol private area for ipx data.
* Revision 0.34: Module support. <Jim Freeman>
* Revision 0.35: Checksum support. <Neil Turton>, hooked in by <Alan Cox>
* Handles WIN95 discovery packets <Volker Lendecke>
* Revision 0.36: Internal bump up for 2.1
* Revision 0.37: Began adding POSIXisms.
* Revision 0.38: Asynchronous socket stuff made current.
* Revision 0.39: SPX interfaces
* Revision 0.40: Tiny SIOCGSTAMP fix (chris@cybernet.co.nz)
* Revision 0.41: 802.2TR removed (p.norton@computer.org)
* Fixed connecting to primary net,
* Automatic binding on send & receive,
* Martijn van Oosterhout <kleptogimp@geocities.com>
* Revision 042: Multithreading - use spinlocks and refcounting to
* protect some structures: ipx_interface sock list, list
* of ipx interfaces, etc.
* Bugfixes - do refcounting on net_devices, check function
* results, etc. Thanks to davem and freitag for
* suggestions and guidance.
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
* November, 2000
* Revision 043: Shared SKBs, don't mangle packets, some cleanups
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
* December, 2000
* Revision 044: Call ipxitf_hold on NETDEV_UP (acme)
* Revision 045: fix PPROP routing bug (acme)
* Revision 046: Further fixes to PPROP, ipxitf_create_internal was
* doing an unneeded MOD_INC_USE_COUNT, implement
* sysctl for ipx_pprop_broacasting, fix the ipx sysctl
* handling, making it dynamic, some cleanups, thanks to
* Petr Vandrovec for review and good suggestions. (acme)
* Revision 047: Cleanups, CodingStyle changes, move the ncp connection
* hack out of line (acme)
* Revision 048: Use sk->protinfo to store the pointer to IPX private
* area, remove af_ipx from sk->protinfo and move ipx_opt
* to include/net/ipx.h, use IPX_SK like DecNET, etc
* Revision 049: SPX support dropped, see comment in ipx_create
*
* Protect the module by a MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT
* pair. Also, now usage count is managed this way
* -Count one if the auto_interface mode is on
* -Count one per configured interface
*
* Jacques Gelinas (jacques@solucorp.qc.ca)
*
* Portions Copyright (c) 2000-2002 Conectiva, Inc. <acme@conectiva.com.br>
* Neither Arnaldo Carvalho de Melo nor Conectiva, Inc. admit liability nor
* provide warranty for any of this software. This material is provided
* "AS-IS" and at no charge.
*
* Portions Copyright (c) 1995 Caldera, Inc. <greg@caldera.com>
* Neither Greg Page nor Caldera, Inc. admit liability nor provide
* warranty for any of this software. This material is provided
* "AS-IS" and at no charge.
*
* See net/ipx/ChangeLog.
*/
#include <linux/config.h>
......@@ -145,13 +81,13 @@ static struct datalink_proto *pSNAP_datalink;
static struct proto_ops ipx_dgram_ops;
static struct ipx_route *ipx_routes;
static rwlock_t ipx_routes_lock = RW_LOCK_UNLOCKED;
struct ipx_route *ipx_routes;
rwlock_t ipx_routes_lock = RW_LOCK_UNLOCKED;
static struct ipx_interface *ipx_interfaces;
static spinlock_t ipx_interfaces_lock = SPIN_LOCK_UNLOCKED;
struct ipx_interface *ipx_interfaces;
spinlock_t ipx_interfaces_lock = SPIN_LOCK_UNLOCKED;
static struct ipx_interface *ipx_primary_net;
struct ipx_interface *ipx_primary_net;
static struct ipx_interface *ipx_internal_net;
#undef IPX_REFCNT_DEBUG
......@@ -791,8 +727,6 @@ static int ipxitf_add_local_route(struct ipx_interface *intrfc)
return ipxrtr_add_route(intrfc->if_netnum, intrfc, NULL);
}
static const char *ipx_frame_name(unsigned short);
static const char *ipx_device_name(struct ipx_interface *);
static void ipxitf_discover_netnum(struct ipx_interface *intrfc,
struct sk_buff *skb);
static int ipxitf_pprop(struct ipx_interface *intrfc, struct sk_buff *skb);
......@@ -1656,7 +1590,7 @@ static int ipxrtr_ioctl(unsigned int cmd, void *arg)
out: return ret;
}
static const char *ipx_frame_name(unsigned short frame)
const char *ipx_frame_name(unsigned short frame)
{
char* ret = "None";
......@@ -1671,189 +1605,12 @@ static const char *ipx_frame_name(unsigned short frame)
return ret;
}
static const char *ipx_device_name(struct ipx_interface *intrfc)
const char *ipx_device_name(struct ipx_interface *intrfc)
{
return intrfc->if_internal ? "Internal" :
intrfc->if_dev ? intrfc->if_dev->name : "Unknown";
}
/* Called from proc fs */
static int ipx_interface_get_info(char *buffer, char **start, off_t offset,
int length)
{
struct ipx_interface *i;
off_t begin = 0, pos = 0;
int len = 0;
/* Theory.. Keep printing in the same place until we pass offset */
len += sprintf(buffer, "%-11s%-15s%-9s%-11s%s", "Network",
"Node_Address", "Primary", "Device", "Frame_Type");
#ifdef IPX_REFCNT_DEBUG
len += sprintf(buffer + len, " refcnt");
#endif
strcat(buffer + len++, "\n");
spin_lock_bh(&ipx_interfaces_lock);
for (i = ipx_interfaces; i; i = i->if_next) {
len += sprintf(buffer + len, "%08lX ",
(long unsigned int) ntohl(i->if_netnum));
len += sprintf(buffer + len, "%02X%02X%02X%02X%02X%02X ",
i->if_node[0], i->if_node[1], i->if_node[2],
i->if_node[3], i->if_node[4], i->if_node[5]);
len += sprintf(buffer + len, "%-9s", i == ipx_primary_net ?
"Yes" : "No");
len += sprintf(buffer + len, "%-11s", ipx_device_name(i));
len += sprintf(buffer + len, "%-9s",
ipx_frame_name(i->if_dlink_type));
#ifdef IPX_REFCNT_DEBUG
len += sprintf(buffer + len, "%6d", atomic_read(&i->refcnt));
#endif
strcat(buffer + len++, "\n");
/* Are we still dumping unwanted data then discard the record */
pos = begin + len;
if (pos < offset) {
len = 0; /* Keep dumping into the buffer start */
begin = pos;
}
if (pos > offset + length) /* We have dumped enough */
break;
}
spin_unlock_bh(&ipx_interfaces_lock);
/* The data in question runs from begin to begin+len */
*start = buffer + (offset - begin); /* Start of wanted data */
len -= (offset - begin); /* Remove unwanted header data from length */
if (len > length)
len = length; /* Remove unwanted tail data from length */
return len;
}
static int ipx_get_info(char *buffer, char **start, off_t offset, int length)
{
struct sock *s;
struct ipx_interface *i;
off_t begin = 0, pos = 0;
int len = 0;
/* Theory.. Keep printing in the same place until we pass offset */
#ifdef CONFIG_IPX_INTERN
len += sprintf(buffer, "%-28s%-28s%-10s%-10s%-7s%s\n", "Local_Address",
#else
len += sprintf(buffer, "%-15s%-28s%-10s%-10s%-7s%s\n", "Local_Address",
#endif /* CONFIG_IPX_INTERN */
"Remote_Address", "Tx_Queue", "Rx_Queue",
"State", "Uid");
spin_lock_bh(&ipx_interfaces_lock);
for (i = ipx_interfaces; i; i = i->if_next) {
ipxitf_hold(i);
spin_lock_bh(&i->if_sklist_lock);
for (s = i->if_sklist; s; s = s->next) {
struct ipx_opt *ipxs = ipx_sk(s);
#ifdef CONFIG_IPX_INTERN
len += sprintf(buffer + len,
"%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
(unsigned long)htonl(ipxs->intrfc->if_netnum),
ipxs->node[0], ipxs->node[1],
ipxs->node[2], ipxs->node[3],
ipxs->node[4], ipxs->node[5],
htons(ipxs->port));
#else
len += sprintf(buffer + len, "%08lX:%04X ",
(unsigned long) htonl(i->if_netnum),
htons(ipxs->port));
#endif /* CONFIG_IPX_INTERN */
if (s->state != TCP_ESTABLISHED)
len += sprintf(buffer + len, "%-28s",
"Not_Connected");
else {
len += sprintf(buffer + len,
"%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
(unsigned long)htonl(ipxs->dest_addr.net),
ipxs->dest_addr.node[0],
ipxs->dest_addr.node[1],
ipxs->dest_addr.node[2],
ipxs->dest_addr.node[3],
ipxs->dest_addr.node[4],
ipxs->dest_addr.node[5],
htons(ipxs->dest_addr.sock));
}
len += sprintf(buffer + len, "%08X %08X ",
atomic_read(&s->wmem_alloc),
atomic_read(&s->rmem_alloc));
len += sprintf(buffer + len, "%02X %03d\n",
s->state, SOCK_INODE(s->socket)->i_uid);
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length) /* We have dumped enough */
break;
}
spin_unlock_bh(&i->if_sklist_lock);
ipxitf_put(i);
}
spin_unlock_bh(&ipx_interfaces_lock);
/* The data in question runs from begin to begin+len */
*start = buffer + offset - begin;
len -= (offset - begin);
if (len > length)
len = length;
return len;
}
static int ipx_rt_get_info(char *buffer, char **start, off_t offset, int length)
{
struct ipx_route *rt;
off_t begin = 0, pos = 0;
int len = 0;
len += sprintf(buffer, "%-11s%-13s%s\n",
"Network", "Router_Net", "Router_Node");
read_lock_bh(&ipx_routes_lock);
for (rt = ipx_routes; rt; rt = rt->ir_next) {
len += sprintf(buffer + len, "%08lX ",
(long unsigned int) ntohl(rt->ir_net));
if (rt->ir_routed) {
len += sprintf(buffer + len,
"%08lX %02X%02X%02X%02X%02X%02X\n",
(long unsigned int) ntohl(rt->ir_intrfc->if_netnum),
rt->ir_router_node[0], rt->ir_router_node[1],
rt->ir_router_node[2], rt->ir_router_node[3],
rt->ir_router_node[4], rt->ir_router_node[5]);
} else {
len += sprintf(buffer + len, "%-13s%s\n",
"Directly", "Connected");
}
pos = begin + len;
if (pos < offset) {
len = 0;
begin = pos;
}
if (pos > offset + length)
break;
}
read_unlock_bh(&ipx_routes_lock);
*start = buffer + (offset - begin);
len -= (offset - begin);
if (len > length)
len = length;
return len;
}
/* Handling for system calls applied via the various interfaces to an IPX
* socket object. */
......@@ -2516,9 +2273,9 @@ extern void destroy_8023_client(struct datalink_proto *);
static unsigned char ipx_8022_type = 0xE0;
static unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 };
static char ipx_banner[] __initdata =
KERN_INFO "NET4: Linux IPX 0.49 for NET4.0\n"
KERN_INFO "NET4: Linux IPX 0.50 for NET4.0\n"
KERN_INFO "IPX Portions Copyright (c) 1995 Caldera, Inc.\n" \
KERN_INFO "IPX Portions Copyright (c) 2000, 2001 Conectiva, Inc.\n";
KERN_INFO "IPX Portions Copyright (c) 2000-2002 Conectiva, Inc.\n";
static char ipx_EII_err_msg[] __initdata =
KERN_CRIT "IPX: Unable to register with Ethernet II\n";
static char ipx_8023_err_msg[] __initdata =
......@@ -2554,11 +2311,7 @@ static int __init ipx_init(void)
register_netdevice_notifier(&ipx_dev_notifier);
ipx_register_sysctl();
#ifdef CONFIG_PROC_FS
proc_net_create("ipx", 0, ipx_get_info);
proc_net_create("ipx_interface", 0, ipx_interface_get_info);
proc_net_create("ipx_route", 0, ipx_rt_get_info);
#endif
ipx_proc_init();
printk(ipx_banner);
return 0;
}
......@@ -2580,14 +2333,13 @@ module_init(ipx_init);
static void __exit ipx_proto_finito(void)
{
/* no need to worry about having anything on the ipx_interfaces
* list, when a interface is created we increment the module
* usage count, so the module will only be unloaded when there
* are no more interfaces */
/*
* No need to worry about having anything on the ipx_interfaces list,
* when a interface is created we increment the module usage count, so
* the module will only be unloaded when there are no more interfaces
*/
proc_net_remove("ipx_route");
proc_net_remove("ipx_interface");
proc_net_remove("ipx");
ipx_proc_exit();
ipx_unregister_sysctl();
unregister_netdevice_notifier(&ipx_dev_notifier);
......
net/ipx/ipx_proc.c 0 → 100644
View file @ b1e16e5e
/*
* IPX proc routines
*
* Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <linux/seq_file.h>
#include <linux/tcp.h>
#include <net/ipx.h>
#ifdef CONFIG_PROC_FS
static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos)
{
struct ipx_interface *i;
for (i = ipx_interfaces; pos && i; i = i->if_next)
--pos;
return i;
}
static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos)
{
loff_t l = *pos;
spin_lock_bh(&ipx_interfaces_lock);
return l ? ipx_get_interface_idx(--l) : (void *)1;
}
static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct ipx_interface *i;
++*pos;
if (v == (void *)1) {
i = NULL;
if (ipx_interfaces)
i = ipx_interfaces;
goto out;
}
i = v;
i = i->if_next;
out:
return i;
}
static void ipx_seq_interface_stop(struct seq_file *seq, void *v)
{
spin_unlock_bh(&ipx_interfaces_lock);
}
static int ipx_seq_interface_show(struct seq_file *seq, void *v)
{
struct ipx_interface *i;
if (v == (void *)1) {
seq_puts(seq, "Network Node_Address Primary Device "
"Frame_Type");
#ifdef IPX_REFCNT_DEBUG
seq_puts(seq, " refcnt");
#endif
seq_puts(seq, "\n");
goto out;
}
i = v;
seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum));
seq_printf(seq, "%02X%02X%02X%02X%02X%02X ",
i->if_node[0], i->if_node[1], i->if_node[2],
i->if_node[3], i->if_node[4], i->if_node[5]);
seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
seq_printf(seq, "%-11s", ipx_device_name(i));
seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
#ifdef IPX_REFCNT_DEBUG
seq_printf(seq, "%6d", atomic_read(&i->refcnt));
#endif
seq_puts(seq, "\n");
out:
return 0;
}
static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos)
{
struct ipx_route *r;
for (r = ipx_routes; pos && r; r = r->ir_next)
--pos;
return r;
}
static void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos)
{
loff_t l = *pos;
read_lock_bh(&ipx_routes_lock);
return l ? ipx_get_route_idx(--l) : (void *)1;
}
static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct ipx_route *r;
++*pos;
if (v == (void *)1) {
r = NULL;
if (ipx_routes)
r = ipx_routes;
goto out;
}
r = v;
r = r->ir_next;
out:
return r;
}
static void ipx_seq_route_stop(struct seq_file *seq, void *v)
{
read_unlock_bh(&ipx_routes_lock);
}
static int ipx_seq_route_show(struct seq_file *seq, void *v)
{
struct ipx_route *rt;
if (v == (void *)1) {
seq_puts(seq, "Network Router_Net Router_Node\n");
goto out;
}
rt = v;
seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net));
if (rt->ir_routed)
seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n",
(long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
rt->ir_router_node[0], rt->ir_router_node[1],
rt->ir_router_node[2], rt->ir_router_node[3],
rt->ir_router_node[4], rt->ir_router_node[5]);
else
seq_puts(seq, "Directly Connected\n");
out:
return 0;
}
static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
{
struct sock *s = NULL;
struct ipx_interface *i;
for (i = ipx_interfaces; pos && i; i = i->if_next) {
spin_lock_bh(&i->if_sklist_lock);
for (s = i->if_sklist; pos && s; s = s->next)
--pos;
if (!pos) {
if (!s)
spin_unlock_bh(&i->if_sklist_lock);
break;
}
spin_unlock_bh(&i->if_sklist_lock);
}
return s;
}
static void *ipx_seq_socket_start(struct seq_file *seq, loff_t *pos)
{
loff_t l = *pos;
spin_lock_bh(&ipx_interfaces_lock);
return l ? ipx_get_socket_idx(--l) : (void *)1;
}
static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct sock* sk;
struct ipx_interface *i;
struct ipx_opt *ipxs;
++*pos;
if (v == (void *)1) {
sk = NULL;
if (!ipx_interfaces)
goto out;
sk = ipx_interfaces->if_sklist;
if (sk)
spin_lock_bh(&ipx_interfaces->if_sklist_lock);
goto out;
}
sk = v;
if (sk->next) {
sk = sk->next;
goto out;
}
ipxs = ipx_sk(sk);
i = ipxs->intrfc;
spin_unlock_bh(&i->if_sklist_lock);
sk = NULL;
for (;;) {
if (!i->if_next)
break;
i = i->if_next;
spin_lock_bh(&i->if_sklist_lock);
if (i->if_sklist) {
sk = i->if_sklist;
break;
}
spin_unlock_bh(&i->if_sklist_lock);
}
out:
return sk;
}
static int ipx_seq_socket_show(struct seq_file *seq, void *v)
{
struct sock *s;
struct ipx_opt *ipxs;
if (v == (void *)1) {
#ifdef CONFIG_IPX_INTERN
seq_puts(seq, "Local_Address "
"Remote_Address Tx_Queue "
"Rx_Queue State Uid\n");
#else
seq_puts(seq, "Local_Address Remote_Address "
"Tx_Queue Rx_Queue State Uid\n");
#endif
goto out;
}
s = v;
ipxs = ipx_sk(s);
#ifdef CONFIG_IPX_INTERN
seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
(unsigned long)htonl(ipxs->intrfc->if_netnum),
ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
ipxs->node[4], ipxs->node[5], htons(ipxs->port));
#else
seq_printf(seq, "%08lX:%04X ", (unsigned long) htonl(ipxs->intrfc->if_netnum),
htons(ipxs->port));
#endif /* CONFIG_IPX_INTERN */
if (s->state != TCP_ESTABLISHED)
seq_printf(seq, "%-28s", "Not_Connected");
else {
seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
(unsigned long)htonl(ipxs->dest_addr.net),
ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
htons(ipxs->dest_addr.sock));
}
seq_printf(seq, "%08X %08X %02X %03d\n",
atomic_read(&s->wmem_alloc), atomic_read(&s->rmem_alloc),
s->state, SOCK_INODE(s->socket)->i_uid);
out:
return 0;
}
struct seq_operations ipx_seq_interface_ops = {
.start = ipx_seq_interface_start,
.next = ipx_seq_interface_next,
.stop = ipx_seq_interface_stop,
.show = ipx_seq_interface_show,
};
struct seq_operations ipx_seq_route_ops = {
.start = ipx_seq_route_start,
.next = ipx_seq_route_next,
.stop = ipx_seq_route_stop,
.show = ipx_seq_route_show,
};
struct seq_operations ipx_seq_socket_ops = {
.start = ipx_seq_socket_start,
.next = ipx_seq_socket_next,
.stop = ipx_seq_interface_stop,
.show = ipx_seq_socket_show,
};
static int ipx_seq_route_open(struct inode *inode, struct file *file)
{
return seq_open(file, &ipx_seq_route_ops);
}
static int ipx_seq_interface_open(struct inode *inode, struct file *file)
{
return seq_open(file, &ipx_seq_interface_ops);
}
static int ipx_seq_socket_open(struct inode *inode, struct file *file)
{
return seq_open(file, &ipx_seq_socket_ops);
}
static struct file_operations ipx_seq_interface_fops = {
.open = ipx_seq_interface_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static struct file_operations ipx_seq_route_fops = {
.open = ipx_seq_route_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static struct file_operations ipx_seq_socket_fops = {
.open = ipx_seq_socket_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int ipx_proc_perms(struct inode* inode, int op)
{
return 0;
}
static struct inode_operations ipx_seq_inode = {
.permission = ipx_proc_perms,
};
static struct proc_dir_entry *ipx_proc_dir;
int __init ipx_proc_init(void)
{
struct proc_dir_entry *p;
int rc = -ENOMEM;
ipx_proc_dir = proc_mkdir("ipx", proc_net);
if (!ipx_proc_dir)
goto out;
p = create_proc_entry("interface", 0, ipx_proc_dir);
if (!p)
goto out_interface;
p->proc_fops = &ipx_seq_interface_fops;
p->proc_iops = &ipx_seq_inode;
p = create_proc_entry("route", 0, ipx_proc_dir);
if (!p)
goto out_route;
p->proc_fops = &ipx_seq_route_fops;
p->proc_iops = &ipx_seq_inode;
p = create_proc_entry("socket", 0, ipx_proc_dir);
if (!p)
goto out_socket;
p->proc_fops = &ipx_seq_socket_fops;
p->proc_iops = &ipx_seq_inode;
rc = 0;
out:
return rc;
out_socket:
remove_proc_entry("route", ipx_proc_dir);
out_route:
remove_proc_entry("interface", ipx_proc_dir);
out_interface:
remove_proc_entry("ipx", proc_net);
goto out;
}
void __exit ipx_proc_exit(void)
{
remove_proc_entry("interface", ipx_proc_dir);
remove_proc_entry("route", ipx_proc_dir);
remove_proc_entry("socket", ipx_proc_dir);
remove_proc_entry("ipx", proc_net);
}
#else /* CONFIG_PROC_FS */
int __init ipx_proc_init(void)
{
return 0;
}
void __exit ipx_proc_exit(void)
{
}
#endif /* CONFIG_PROC_FS */
net/llc/llc_proc.c
View file @ b1e16e5e
......@@ -61,9 +61,7 @@ static void *llc_seq_start(struct seq_file *seq, loff_t *pos)
loff_t l = *pos;
read_lock_bh(&llc_main_station.sap_list.lock);
if (!l)
return (void *)1;
return llc_get_sk_idx(--l);
return l ? llc_get_sk_idx(--l) : (void *)1;
}
static void *llc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
......
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