18c3e34a4SDavid Howells /* /proc/net/ support for AF_RXRPC 28c3e34a4SDavid Howells * 38c3e34a4SDavid Howells * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 48c3e34a4SDavid Howells * Written by David Howells (dhowells@redhat.com) 58c3e34a4SDavid Howells * 68c3e34a4SDavid Howells * This program is free software; you can redistribute it and/or 78c3e34a4SDavid Howells * modify it under the terms of the GNU General Public License 88c3e34a4SDavid Howells * as published by the Free Software Foundation; either version 98c3e34a4SDavid Howells * 2 of the License, or (at your option) any later version. 108c3e34a4SDavid Howells */ 118c3e34a4SDavid Howells 128c3e34a4SDavid Howells #include <linux/module.h> 138c3e34a4SDavid Howells #include <net/sock.h> 148c3e34a4SDavid Howells #include <net/af_rxrpc.h> 158c3e34a4SDavid Howells #include "ar-internal.h" 168c3e34a4SDavid Howells 17bba304dbSDavid Howells static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = { 188c3e34a4SDavid Howells [RXRPC_CONN_UNUSED] = "Unused ", 198c3e34a4SDavid Howells [RXRPC_CONN_CLIENT] = "Client ", 20bba304dbSDavid Howells [RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ", 21bba304dbSDavid Howells [RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ", 22bba304dbSDavid Howells [RXRPC_CONN_SERVICE] = "SvSecure", 238c3e34a4SDavid Howells [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort", 248c3e34a4SDavid Howells [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort", 258c3e34a4SDavid Howells [RXRPC_CONN_NETWORK_ERROR] = "NetError", 268c3e34a4SDavid Howells }; 278c3e34a4SDavid Howells 288c3e34a4SDavid Howells /* 298c3e34a4SDavid Howells * generate a list of extant and dead calls in /proc/net/rxrpc_calls 308c3e34a4SDavid Howells */ 318c3e34a4SDavid Howells static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) 328c3e34a4SDavid Howells { 338c3e34a4SDavid Howells read_lock(&rxrpc_call_lock); 348c3e34a4SDavid Howells return seq_list_start_head(&rxrpc_calls, *_pos); 358c3e34a4SDavid Howells } 368c3e34a4SDavid Howells 378c3e34a4SDavid Howells static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) 388c3e34a4SDavid Howells { 398c3e34a4SDavid Howells return seq_list_next(v, &rxrpc_calls, pos); 408c3e34a4SDavid Howells } 418c3e34a4SDavid Howells 428c3e34a4SDavid Howells static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) 438c3e34a4SDavid Howells { 448c3e34a4SDavid Howells read_unlock(&rxrpc_call_lock); 458c3e34a4SDavid Howells } 468c3e34a4SDavid Howells 478c3e34a4SDavid Howells static int rxrpc_call_seq_show(struct seq_file *seq, void *v) 488c3e34a4SDavid Howells { 49df5d8bf7SDavid Howells struct rxrpc_local *local; 50df5d8bf7SDavid Howells struct rxrpc_sock *rx; 51df5d8bf7SDavid Howells struct rxrpc_peer *peer; 528c3e34a4SDavid Howells struct rxrpc_call *call; 538c3e34a4SDavid Howells char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; 548c3e34a4SDavid Howells 558c3e34a4SDavid Howells if (v == &rxrpc_calls) { 568c3e34a4SDavid Howells seq_puts(seq, 578c3e34a4SDavid Howells "Proto Local Remote " 588c3e34a4SDavid Howells " SvID ConnID CallID End Use State Abort " 598c3e34a4SDavid Howells " UserID\n"); 608c3e34a4SDavid Howells return 0; 618c3e34a4SDavid Howells } 628c3e34a4SDavid Howells 638c3e34a4SDavid Howells call = list_entry(v, struct rxrpc_call, link); 648c3e34a4SDavid Howells 65df5d8bf7SDavid Howells rx = READ_ONCE(call->socket); 66df5d8bf7SDavid Howells if (rx) { 67df5d8bf7SDavid Howells local = READ_ONCE(rx->local); 68df5d8bf7SDavid Howells if (local) 698c3e34a4SDavid Howells sprintf(lbuff, "%pI4:%u", 70df5d8bf7SDavid Howells &local->srx.transport.sin.sin_addr, 71df5d8bf7SDavid Howells ntohs(local->srx.transport.sin.sin_port)); 72df5d8bf7SDavid Howells else 73df5d8bf7SDavid Howells strcpy(lbuff, "no_local"); 74df5d8bf7SDavid Howells } else { 75df5d8bf7SDavid Howells strcpy(lbuff, "no_socket"); 76df5d8bf7SDavid Howells } 778c3e34a4SDavid Howells 78df5d8bf7SDavid Howells peer = call->peer; 79df5d8bf7SDavid Howells if (peer) 808c3e34a4SDavid Howells sprintf(rbuff, "%pI4:%u", 81df5d8bf7SDavid Howells &peer->srx.transport.sin.sin_addr, 82df5d8bf7SDavid Howells ntohs(peer->srx.transport.sin.sin_port)); 83f4e7da8cSDavid Howells else 84f4e7da8cSDavid Howells strcpy(rbuff, "no_connection"); 858c3e34a4SDavid Howells 868c3e34a4SDavid Howells seq_printf(seq, 878c3e34a4SDavid Howells "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" 888c3e34a4SDavid Howells " %-8.8s %08x %lx\n", 898c3e34a4SDavid Howells lbuff, 908c3e34a4SDavid Howells rbuff, 91f4e7da8cSDavid Howells call->service_id, 928c3e34a4SDavid Howells call->cid, 938c3e34a4SDavid Howells call->call_id, 94dabe5a79SDavid Howells rxrpc_is_service_call(call) ? "Svc" : "Clt", 958c3e34a4SDavid Howells atomic_read(&call->usage), 968c3e34a4SDavid Howells rxrpc_call_states[call->state], 978c3e34a4SDavid Howells call->remote_abort ?: call->local_abort, 988c3e34a4SDavid Howells call->user_call_ID); 998c3e34a4SDavid Howells 1008c3e34a4SDavid Howells return 0; 1018c3e34a4SDavid Howells } 1028c3e34a4SDavid Howells 1038c3e34a4SDavid Howells static const struct seq_operations rxrpc_call_seq_ops = { 1048c3e34a4SDavid Howells .start = rxrpc_call_seq_start, 1058c3e34a4SDavid Howells .next = rxrpc_call_seq_next, 1068c3e34a4SDavid Howells .stop = rxrpc_call_seq_stop, 1078c3e34a4SDavid Howells .show = rxrpc_call_seq_show, 1088c3e34a4SDavid Howells }; 1098c3e34a4SDavid Howells 1108c3e34a4SDavid Howells static int rxrpc_call_seq_open(struct inode *inode, struct file *file) 1118c3e34a4SDavid Howells { 1128c3e34a4SDavid Howells return seq_open(file, &rxrpc_call_seq_ops); 1138c3e34a4SDavid Howells } 1148c3e34a4SDavid Howells 1158c3e34a4SDavid Howells const struct file_operations rxrpc_call_seq_fops = { 1168c3e34a4SDavid Howells .owner = THIS_MODULE, 1178c3e34a4SDavid Howells .open = rxrpc_call_seq_open, 1188c3e34a4SDavid Howells .read = seq_read, 1198c3e34a4SDavid Howells .llseek = seq_lseek, 1208c3e34a4SDavid Howells .release = seq_release, 1218c3e34a4SDavid Howells }; 1228c3e34a4SDavid Howells 1238c3e34a4SDavid Howells /* 1248c3e34a4SDavid Howells * generate a list of extant virtual connections in /proc/net/rxrpc_conns 1258c3e34a4SDavid Howells */ 1268c3e34a4SDavid Howells static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos) 1278c3e34a4SDavid Howells { 1288c3e34a4SDavid Howells read_lock(&rxrpc_connection_lock); 1294d028b2cSDavid Howells return seq_list_start_head(&rxrpc_connection_proc_list, *_pos); 1308c3e34a4SDavid Howells } 1318c3e34a4SDavid Howells 1328c3e34a4SDavid Howells static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, 1338c3e34a4SDavid Howells loff_t *pos) 1348c3e34a4SDavid Howells { 1354d028b2cSDavid Howells return seq_list_next(v, &rxrpc_connection_proc_list, pos); 1368c3e34a4SDavid Howells } 1378c3e34a4SDavid Howells 1388c3e34a4SDavid Howells static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) 1398c3e34a4SDavid Howells { 1408c3e34a4SDavid Howells read_unlock(&rxrpc_connection_lock); 1418c3e34a4SDavid Howells } 1428c3e34a4SDavid Howells 1438c3e34a4SDavid Howells static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) 1448c3e34a4SDavid Howells { 1458c3e34a4SDavid Howells struct rxrpc_connection *conn; 1468c3e34a4SDavid Howells char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; 1478c3e34a4SDavid Howells 1484d028b2cSDavid Howells if (v == &rxrpc_connection_proc_list) { 1498c3e34a4SDavid Howells seq_puts(seq, 1508c3e34a4SDavid Howells "Proto Local Remote " 151a1399f8bSDavid Howells " SvID ConnID End Use State Key " 1528c3e34a4SDavid Howells " Serial ISerial\n" 1538c3e34a4SDavid Howells ); 1548c3e34a4SDavid Howells return 0; 1558c3e34a4SDavid Howells } 1568c3e34a4SDavid Howells 1574d028b2cSDavid Howells conn = list_entry(v, struct rxrpc_connection, proc_link); 1588c3e34a4SDavid Howells 1598c3e34a4SDavid Howells sprintf(lbuff, "%pI4:%u", 16085f32278SDavid Howells &conn->params.local->srx.transport.sin.sin_addr, 16185f32278SDavid Howells ntohs(conn->params.local->srx.transport.sin.sin_port)); 1628c3e34a4SDavid Howells 1638c3e34a4SDavid Howells sprintf(rbuff, "%pI4:%u", 16485f32278SDavid Howells &conn->params.peer->srx.transport.sin.sin_addr, 16585f32278SDavid Howells ntohs(conn->params.peer->srx.transport.sin.sin_port)); 1668c3e34a4SDavid Howells 1678c3e34a4SDavid Howells seq_printf(seq, 168a1399f8bSDavid Howells "UDP %-22.22s %-22.22s %4x %08x %s %3u" 1698c3e34a4SDavid Howells " %s %08x %08x %08x\n", 1708c3e34a4SDavid Howells lbuff, 1718c3e34a4SDavid Howells rbuff, 17219ffa01cSDavid Howells conn->params.service_id, 17319ffa01cSDavid Howells conn->proto.cid, 17419ffa01cSDavid Howells rxrpc_conn_is_service(conn) ? "Svc" : "Clt", 1758c3e34a4SDavid Howells atomic_read(&conn->usage), 1768c3e34a4SDavid Howells rxrpc_conn_states[conn->state], 17719ffa01cSDavid Howells key_serial(conn->params.key), 1788c3e34a4SDavid Howells atomic_read(&conn->serial), 179563ea7d5SDavid Howells conn->hi_serial); 1808c3e34a4SDavid Howells 1818c3e34a4SDavid Howells return 0; 1828c3e34a4SDavid Howells } 1838c3e34a4SDavid Howells 1848c3e34a4SDavid Howells static const struct seq_operations rxrpc_connection_seq_ops = { 1858c3e34a4SDavid Howells .start = rxrpc_connection_seq_start, 1868c3e34a4SDavid Howells .next = rxrpc_connection_seq_next, 1878c3e34a4SDavid Howells .stop = rxrpc_connection_seq_stop, 1888c3e34a4SDavid Howells .show = rxrpc_connection_seq_show, 1898c3e34a4SDavid Howells }; 1908c3e34a4SDavid Howells 1918c3e34a4SDavid Howells 1928c3e34a4SDavid Howells static int rxrpc_connection_seq_open(struct inode *inode, struct file *file) 1938c3e34a4SDavid Howells { 1948c3e34a4SDavid Howells return seq_open(file, &rxrpc_connection_seq_ops); 1958c3e34a4SDavid Howells } 1968c3e34a4SDavid Howells 1978c3e34a4SDavid Howells const struct file_operations rxrpc_connection_seq_fops = { 1988c3e34a4SDavid Howells .owner = THIS_MODULE, 1998c3e34a4SDavid Howells .open = rxrpc_connection_seq_open, 2008c3e34a4SDavid Howells .read = seq_read, 2018c3e34a4SDavid Howells .llseek = seq_lseek, 2028c3e34a4SDavid Howells .release = seq_release, 2038c3e34a4SDavid Howells }; 204