/release/src-rt/linux/linux-2.6/net/ipx/ipx_proc.c
C | 407 lines | 345 code | 57 blank | 5 comment | 37 complexity | 6921bf6c66b73e714b41f28bfcf48835 MD5 | raw file
- /*
- * IPX proc routines
- *
- * Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
- */
- #include <linux/init.h>
- #ifdef CONFIG_PROC_FS
- #include <linux/proc_fs.h>
- #include <linux/spinlock.h>
- #include <linux/seq_file.h>
- #include <net/tcp_states.h>
- #include <net/ipx.h>
- static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos)
- {
- struct ipx_interface *i;
- list_for_each_entry(i, &ipx_interfaces, node)
- if (!pos--)
- goto out;
- i = NULL;
- out:
- return i;
- }
- static struct ipx_interface *ipx_interfaces_next(struct ipx_interface *i)
- {
- struct ipx_interface *rc = NULL;
- if (i->node.next != &ipx_interfaces)
- rc = list_entry(i->node.next, struct ipx_interface, node);
- return rc;
- }
- 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) : SEQ_START_TOKEN;
- }
- static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
- {
- struct ipx_interface *i;
- ++*pos;
- if (v == SEQ_START_TOKEN)
- i = ipx_interfaces_head();
- else
- i = ipx_interfaces_next(v);
- 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 == SEQ_START_TOKEN) {
- 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 struct ipx_route *ipx_routes_head(void)
- {
- struct ipx_route *rc = NULL;
- if (!list_empty(&ipx_routes))
- rc = list_entry(ipx_routes.next, struct ipx_route, node);
- return rc;
- }
- static struct ipx_route *ipx_routes_next(struct ipx_route *r)
- {
- struct ipx_route *rc = NULL;
- if (r->node.next != &ipx_routes)
- rc = list_entry(r->node.next, struct ipx_route, node);
- return rc;
- }
- static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos)
- {
- struct ipx_route *r;
- list_for_each_entry(r, &ipx_routes, node)
- if (!pos--)
- goto out;
- r = NULL;
- out:
- 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) : SEQ_START_TOKEN;
- }
- static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
- {
- struct ipx_route *r;
- ++*pos;
- if (v == SEQ_START_TOKEN)
- r = ipx_routes_head();
- else
- r = ipx_routes_next(v);
- 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 == SEQ_START_TOKEN) {
- 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 hlist_node *node;
- struct ipx_interface *i;
- list_for_each_entry(i, &ipx_interfaces, node) {
- spin_lock_bh(&i->if_sklist_lock);
- sk_for_each(s, node, &i->if_sklist) {
- if (!pos)
- break;
- --pos;
- }
- spin_unlock_bh(&i->if_sklist_lock);
- if (!pos) {
- if (node)
- goto found;
- break;
- }
- }
- s = NULL;
- found:
- 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) : SEQ_START_TOKEN;
- }
- static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
- {
- struct sock* sk, *next;
- struct ipx_interface *i;
- struct ipx_sock *ipxs;
- ++*pos;
- if (v == SEQ_START_TOKEN) {
- sk = NULL;
- i = ipx_interfaces_head();
- if (!i)
- goto out;
- sk = sk_head(&i->if_sklist);
- if (sk)
- spin_lock_bh(&i->if_sklist_lock);
- goto out;
- }
- sk = v;
- next = sk_next(sk);
- if (next) {
- sk = next;
- goto out;
- }
- ipxs = ipx_sk(sk);
- i = ipxs->intrfc;
- spin_unlock_bh(&i->if_sklist_lock);
- sk = NULL;
- for (;;) {
- i = ipx_interfaces_next(i);
- if (!i)
- break;
- spin_lock_bh(&i->if_sklist_lock);
- if (!hlist_empty(&i->if_sklist)) {
- sk = sk_head(&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_sock *ipxs;
- if (v == SEQ_START_TOKEN) {
- #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)ntohl(ipxs->intrfc->if_netnum),
- ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
- ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
- #else
- seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
- ntohs(ipxs->port));
- #endif /* CONFIG_IPX_INTERN */
- if (s->sk_state != TCP_ESTABLISHED)
- seq_printf(seq, "%-28s", "Not_Connected");
- else {
- seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
- (unsigned long)ntohl(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],
- ntohs(ipxs->dest_addr.sock));
- }
- seq_printf(seq, "%08X %08X %02X %03d\n",
- sk_wmem_alloc_get(s),
- sk_rmem_alloc_get(s),
- s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
- out:
- return 0;
- }
- static 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,
- };
- static 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,
- };
- static 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 const struct file_operations ipx_seq_interface_fops = {
- .owner = THIS_MODULE,
- .open = ipx_seq_interface_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
- };
- static const struct file_operations ipx_seq_route_fops = {
- .owner = THIS_MODULE,
- .open = ipx_seq_route_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
- };
- static const struct file_operations ipx_seq_socket_fops = {
- .owner = THIS_MODULE,
- .open = ipx_seq_socket_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
- };
- 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", S_IRUGO, ipx_proc_dir);
- if (!p)
- goto out_interface;
- p->proc_fops = &ipx_seq_interface_fops;
- p = create_proc_entry("route", S_IRUGO, ipx_proc_dir);
- if (!p)
- goto out_route;
- p->proc_fops = &ipx_seq_route_fops;
- p = create_proc_entry("socket", S_IRUGO, ipx_proc_dir);
- if (!p)
- goto out_socket;
- p->proc_fops = &ipx_seq_socket_fops;
- 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 */