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 }; 268c3e34a4SDavid Howells 278c3e34a4SDavid Howells /* 288c3e34a4SDavid Howells * generate a list of extant and dead calls in /proc/net/rxrpc_calls 298c3e34a4SDavid Howells */ 308c3e34a4SDavid Howells static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos) 318c3e34a4SDavid Howells { 328c3e34a4SDavid Howells read_lock(&rxrpc_call_lock); 338c3e34a4SDavid Howells return seq_list_start_head(&rxrpc_calls, *_pos); 348c3e34a4SDavid Howells } 358c3e34a4SDavid Howells 368c3e34a4SDavid Howells static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) 378c3e34a4SDavid Howells { 388c3e34a4SDavid Howells return seq_list_next(v, &rxrpc_calls, pos); 398c3e34a4SDavid Howells } 408c3e34a4SDavid Howells 418c3e34a4SDavid Howells static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) 428c3e34a4SDavid Howells { 438c3e34a4SDavid Howells read_unlock(&rxrpc_call_lock); 448c3e34a4SDavid Howells } 458c3e34a4SDavid Howells 468c3e34a4SDavid Howells static int rxrpc_call_seq_show(struct seq_file *seq, void *v) 478c3e34a4SDavid Howells { 48df5d8bf7SDavid Howells struct rxrpc_local *local; 49df5d8bf7SDavid Howells struct rxrpc_sock *rx; 50df5d8bf7SDavid Howells struct rxrpc_peer *peer; 518c3e34a4SDavid Howells struct rxrpc_call *call; 528c3e34a4SDavid Howells char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; 538c3e34a4SDavid Howells 548c3e34a4SDavid Howells if (v == &rxrpc_calls) { 558c3e34a4SDavid Howells seq_puts(seq, 568c3e34a4SDavid Howells "Proto Local Remote " 578c3e34a4SDavid Howells " SvID ConnID CallID End Use State Abort " 588c3e34a4SDavid Howells " UserID\n"); 598c3e34a4SDavid Howells return 0; 608c3e34a4SDavid Howells } 618c3e34a4SDavid Howells 628c3e34a4SDavid Howells call = list_entry(v, struct rxrpc_call, link); 638c3e34a4SDavid Howells 64df5d8bf7SDavid Howells rx = READ_ONCE(call->socket); 65df5d8bf7SDavid Howells if (rx) { 66df5d8bf7SDavid Howells local = READ_ONCE(rx->local); 67df5d8bf7SDavid Howells if (local) 688c3e34a4SDavid Howells sprintf(lbuff, "%pI4:%u", 69df5d8bf7SDavid Howells &local->srx.transport.sin.sin_addr, 70df5d8bf7SDavid Howells ntohs(local->srx.transport.sin.sin_port)); 71df5d8bf7SDavid Howells else 72df5d8bf7SDavid Howells strcpy(lbuff, "no_local"); 73df5d8bf7SDavid Howells } else { 74df5d8bf7SDavid Howells strcpy(lbuff, "no_socket"); 75df5d8bf7SDavid Howells } 768c3e34a4SDavid Howells 77df5d8bf7SDavid Howells peer = call->peer; 78df5d8bf7SDavid Howells if (peer) 798c3e34a4SDavid Howells sprintf(rbuff, "%pI4:%u", 80df5d8bf7SDavid Howells &peer->srx.transport.sin.sin_addr, 81df5d8bf7SDavid Howells ntohs(peer->srx.transport.sin.sin_port)); 82f4e7da8cSDavid Howells else 83f4e7da8cSDavid Howells strcpy(rbuff, "no_connection"); 848c3e34a4SDavid Howells 858c3e34a4SDavid Howells seq_printf(seq, 868c3e34a4SDavid Howells "UDP %-22.22s %-22.22s %4x %08x %08x %s %3u" 878c3e34a4SDavid Howells " %-8.8s %08x %lx\n", 888c3e34a4SDavid Howells lbuff, 898c3e34a4SDavid Howells rbuff, 90f4e7da8cSDavid Howells call->service_id, 918c3e34a4SDavid Howells call->cid, 928c3e34a4SDavid Howells call->call_id, 93dabe5a79SDavid Howells rxrpc_is_service_call(call) ? "Svc" : "Clt", 948c3e34a4SDavid Howells atomic_read(&call->usage), 958c3e34a4SDavid Howells rxrpc_call_states[call->state], 96f5c17aaeSDavid Howells call->abort_code, 978c3e34a4SDavid Howells call->user_call_ID); 988c3e34a4SDavid Howells 998c3e34a4SDavid Howells return 0; 1008c3e34a4SDavid Howells } 1018c3e34a4SDavid Howells 1028c3e34a4SDavid Howells static const struct seq_operations rxrpc_call_seq_ops = { 1038c3e34a4SDavid Howells .start = rxrpc_call_seq_start, 1048c3e34a4SDavid Howells .next = rxrpc_call_seq_next, 1058c3e34a4SDavid Howells .stop = rxrpc_call_seq_stop, 1068c3e34a4SDavid Howells .show = rxrpc_call_seq_show, 1078c3e34a4SDavid Howells }; 1088c3e34a4SDavid Howells 1098c3e34a4SDavid Howells static int rxrpc_call_seq_open(struct inode *inode, struct file *file) 1108c3e34a4SDavid Howells { 1118c3e34a4SDavid Howells return seq_open(file, &rxrpc_call_seq_ops); 1128c3e34a4SDavid Howells } 1138c3e34a4SDavid Howells 1148c3e34a4SDavid Howells const struct file_operations rxrpc_call_seq_fops = { 1158c3e34a4SDavid Howells .owner = THIS_MODULE, 1168c3e34a4SDavid Howells .open = rxrpc_call_seq_open, 1178c3e34a4SDavid Howells .read = seq_read, 1188c3e34a4SDavid Howells .llseek = seq_lseek, 1198c3e34a4SDavid Howells .release = seq_release, 1208c3e34a4SDavid Howells }; 1218c3e34a4SDavid Howells 1228c3e34a4SDavid Howells /* 1238c3e34a4SDavid Howells * generate a list of extant virtual connections in /proc/net/rxrpc_conns 1248c3e34a4SDavid Howells */ 1258c3e34a4SDavid Howells static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos) 1268c3e34a4SDavid Howells { 1278c3e34a4SDavid Howells read_lock(&rxrpc_connection_lock); 1284d028b2cSDavid Howells return seq_list_start_head(&rxrpc_connection_proc_list, *_pos); 1298c3e34a4SDavid Howells } 1308c3e34a4SDavid Howells 1318c3e34a4SDavid Howells static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, 1328c3e34a4SDavid Howells loff_t *pos) 1338c3e34a4SDavid Howells { 1344d028b2cSDavid Howells return seq_list_next(v, &rxrpc_connection_proc_list, pos); 1358c3e34a4SDavid Howells } 1368c3e34a4SDavid Howells 1378c3e34a4SDavid Howells static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) 1388c3e34a4SDavid Howells { 1398c3e34a4SDavid Howells read_unlock(&rxrpc_connection_lock); 1408c3e34a4SDavid Howells } 1418c3e34a4SDavid Howells 1428c3e34a4SDavid Howells static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) 1438c3e34a4SDavid Howells { 1448c3e34a4SDavid Howells struct rxrpc_connection *conn; 1458c3e34a4SDavid Howells char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1]; 1468c3e34a4SDavid Howells 1474d028b2cSDavid Howells if (v == &rxrpc_connection_proc_list) { 1488c3e34a4SDavid Howells seq_puts(seq, 1498c3e34a4SDavid Howells "Proto Local Remote " 150a1399f8bSDavid Howells " SvID ConnID End Use State Key " 1518c3e34a4SDavid Howells " Serial ISerial\n" 1528c3e34a4SDavid Howells ); 1538c3e34a4SDavid Howells return 0; 1548c3e34a4SDavid Howells } 1558c3e34a4SDavid Howells 1564d028b2cSDavid Howells conn = list_entry(v, struct rxrpc_connection, proc_link); 1578c3e34a4SDavid Howells 1588c3e34a4SDavid Howells sprintf(lbuff, "%pI4:%u", 15985f32278SDavid Howells &conn->params.local->srx.transport.sin.sin_addr, 16085f32278SDavid Howells ntohs(conn->params.local->srx.transport.sin.sin_port)); 1618c3e34a4SDavid Howells 1628c3e34a4SDavid Howells sprintf(rbuff, "%pI4:%u", 16385f32278SDavid Howells &conn->params.peer->srx.transport.sin.sin_addr, 16485f32278SDavid Howells ntohs(conn->params.peer->srx.transport.sin.sin_port)); 1658c3e34a4SDavid Howells 1668c3e34a4SDavid Howells seq_printf(seq, 167a1399f8bSDavid Howells "UDP %-22.22s %-22.22s %4x %08x %s %3u" 1688c3e34a4SDavid Howells " %s %08x %08x %08x\n", 1698c3e34a4SDavid Howells lbuff, 1708c3e34a4SDavid Howells rbuff, 17119ffa01cSDavid Howells conn->params.service_id, 17219ffa01cSDavid Howells conn->proto.cid, 17319ffa01cSDavid Howells rxrpc_conn_is_service(conn) ? "Svc" : "Clt", 1748c3e34a4SDavid Howells atomic_read(&conn->usage), 1758c3e34a4SDavid Howells rxrpc_conn_states[conn->state], 17619ffa01cSDavid Howells key_serial(conn->params.key), 1778c3e34a4SDavid Howells atomic_read(&conn->serial), 178563ea7d5SDavid Howells conn->hi_serial); 1798c3e34a4SDavid Howells 1808c3e34a4SDavid Howells return 0; 1818c3e34a4SDavid Howells } 1828c3e34a4SDavid Howells 1838c3e34a4SDavid Howells static const struct seq_operations rxrpc_connection_seq_ops = { 1848c3e34a4SDavid Howells .start = rxrpc_connection_seq_start, 1858c3e34a4SDavid Howells .next = rxrpc_connection_seq_next, 1868c3e34a4SDavid Howells .stop = rxrpc_connection_seq_stop, 1878c3e34a4SDavid Howells .show = rxrpc_connection_seq_show, 1888c3e34a4SDavid Howells }; 1898c3e34a4SDavid Howells 1908c3e34a4SDavid Howells 1918c3e34a4SDavid Howells static int rxrpc_connection_seq_open(struct inode *inode, struct file *file) 1928c3e34a4SDavid Howells { 1938c3e34a4SDavid Howells return seq_open(file, &rxrpc_connection_seq_ops); 1948c3e34a4SDavid Howells } 1958c3e34a4SDavid Howells 1968c3e34a4SDavid Howells const struct file_operations rxrpc_connection_seq_fops = { 1978c3e34a4SDavid Howells .owner = THIS_MODULE, 1988c3e34a4SDavid Howells .open = rxrpc_connection_seq_open, 1998c3e34a4SDavid Howells .read = seq_read, 2008c3e34a4SDavid Howells .llseek = seq_lseek, 2018c3e34a4SDavid Howells .release = seq_release, 2028c3e34a4SDavid Howells }; 203