/* /proc/net/ support for AF_RXRPC * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/module.h> #include <net/sock.h> #include <net/af_rxrpc.h> #include "ar-internal.h" static const char *const rxrpc_conn_states[] = { [RXRPC_CONN_UNUSED] = "Unused ", [RXRPC_CONN_CLIENT] = "Client ", [RXRPC_CONN_SERVER_UNSECURED] = "SvUnsec ", [RXRPC_CONN_SERVER_CHALLENGING] = "SvChall ", [RXRPC_CONN_SERVER] = "SvSecure", [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort", [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort", [RXRPC_CONN_NETWORK_ERROR] = "NetError", }; /* * generate a list of extant and dead calls in /proc/net/rxrpc_calls */ static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) { read_lock(&rxrpc_call_lock); return seq_list_start_head(&rxrpc_calls, *_pos); } static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) { return seq_list_next(v, &rxrpc_calls, pos); } static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) { read_unlock(&rxrpc_call_lock); } static int rxrpc_call_seq_show(struct seq_file *seq, void *v) { struct rxrpc_transport *trans; struct rxrpc_call *call; char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; if (v == &rxrpc_calls) { seq_puts(seq, "Proto Local Remote " " SvID ConnID CallID End Use State Abort " " UserID\n"); return 0; } call = list_entry(v, struct rxrpc_call, link); trans = call->conn->trans; sprintf(lbuff, NIPQUAD_FMT":%u", NIPQUAD(trans->local->srx.transport.sin.sin_addr), ntohs(trans->local->srx.transport.sin.sin_port)); sprintf(rbuff, NIPQUAD_FMT":%u", NIPQUAD(trans->peer->srx.transport.sin.sin_addr), ntohs(trans->peer->srx.transport.sin.sin_port)); seq_printf(seq, "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" " %-8.8s %08x %lx\n", lbuff, rbuff, ntohs(call->conn->service_id), ntohl(call->conn->cid), ntohl(call->call_id), call->conn->in_clientflag ? "Svc" : "Clt", atomic_read(&call->usage), rxrpc_call_states[call->state], call->abort_code, call->user_call_ID); return 0; } static const struct seq_operations rxrpc_call_seq_ops = { .start = rxrpc_call_seq_start, .next = rxrpc_call_seq_next, .stop = rxrpc_call_seq_stop, .show = rxrpc_call_seq_show, }; static int rxrpc_call_seq_open(struct inode *inode, struct file *file) { return seq_open(file, &rxrpc_call_seq_ops); } const struct file_operations rxrpc_call_seq_fops = { .owner = THIS_MODULE, .open = rxrpc_call_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, }; /* * generate a list of extant virtual connections in /proc/net/rxrpc_conns */ static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos) { read_lock(&rxrpc_connection_lock); return seq_list_start_head(&rxrpc_connections, *_pos); } static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, loff_t *pos) { return seq_list_next(v, &rxrpc_connections, pos); } static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) { read_unlock(&rxrpc_connection_lock); } static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) { struct rxrpc_connection *conn; struct rxrpc_transport *trans; char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; if (v == &rxrpc_connections) { seq_puts(seq, "Proto Local Remote " " SvID ConnID Calls End Use State Key " " Serial ISerial\n" ); return 0; } conn = list_entry(v, struct rxrpc_connection, link); trans = conn->trans; sprintf(lbuff, NIPQUAD_FMT":%u", NIPQUAD(trans->local->srx.transport.sin.sin_addr), ntohs(trans->local->srx.transport.sin.sin_port)); sprintf(rbuff, NIPQUAD_FMT":%u", NIPQUAD(trans->peer->srx.transport.sin.sin_addr), ntohs(trans->peer->srx.transport.sin.sin_port)); seq_printf(seq, "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" " %s %08x %08x %08x\n", lbuff, rbuff, ntohs(conn->service_id), ntohl(conn->cid), conn->call_counter, conn->in_clientflag ? "Svc" : "Clt", atomic_read(&conn->usage), rxrpc_conn_states[conn->state], key_serial(conn->key), atomic_read(&conn->serial), atomic_read(&conn->hi_serial)); return 0; } static const struct seq_operations rxrpc_connection_seq_ops = { .start = rxrpc_connection_seq_start, .next = rxrpc_connection_seq_next, .stop = rxrpc_connection_seq_stop, .show = rxrpc_connection_seq_show, }; static int rxrpc_connection_seq_open(struct inode *inode, struct file *file) { return seq_open(file, &rxrpc_connection_seq_ops); } const struct file_operations rxrpc_connection_seq_fops = { .owner = THIS_MODULE, .open = rxrpc_connection_seq_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, };