diff options
Diffstat (limited to 'net/ipx/ipx_proc.c')
| -rw-r--r-- | net/ipx/ipx_proc.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c new file mode 100644 index 00000000..f8ba30df --- /dev/null +++ b/net/ipx/ipx_proc.c @@ -0,0 +1,340 @@ +/* + * 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 <linux/export.h> +#include <net/net_namespace.h> +#include <net/tcp_states.h> +#include <net/ipx.h> + +static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos) +{ + spin_lock_bh(&ipx_interfaces_lock); + return seq_list_start_head(&ipx_interfaces, *pos); +} + +static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos) +{ + return seq_list_next(v, &ipx_interfaces, pos); +} + +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 == &ipx_interfaces) { + 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 = list_entry(v, struct ipx_interface, node); + 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 void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos) +{ + read_lock_bh(&ipx_routes_lock); + return seq_list_start_head(&ipx_routes, *pos); +} + +static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos) +{ + return seq_list_next(v, &ipx_routes, pos); +} + +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 == &ipx_routes) { + seq_puts(seq, "Network Router_Net Router_Node\n"); + goto out; + } + + rt = list_entry(v, struct ipx_route, node); + + 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 (;;) { + if (i->node.next == &ipx_interfaces) + break; + i = list_entry(i->node.next, struct ipx_interface, node); + 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 const 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 const 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 const 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", init_net.proc_net); + + if (!ipx_proc_dir) + goto out; + p = proc_create("interface", S_IRUGO, + ipx_proc_dir, &ipx_seq_interface_fops); + if (!p) + goto out_interface; + + p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops); + if (!p) + goto out_route; + + p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops); + if (!p) + goto out_socket; + + 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", init_net.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", init_net.proc_net); +} + +#else /* CONFIG_PROC_FS */ + +int __init ipx_proc_init(void) +{ + return 0; +} + +void __exit ipx_proc_exit(void) +{ +} + +#endif /* CONFIG_PROC_FS */ |