Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | /* /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__NR_STATES] = { [RXRPC_CONN_UNUSED] = "Unused ", [RXRPC_CONN_CLIENT] = "Client ", [RXRPC_CONN_SERVICE_PREALLOC] = "SvPrealc", [RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ", [RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ", [RXRPC_CONN_SERVICE] = "SvSecure", [RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort", [RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort", }; /* * 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) { rcu_read_lock(); 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); rcu_read_unlock(); } static int rxrpc_call_seq_show(struct seq_file *seq, void *v) { struct rxrpc_local *local; struct rxrpc_sock *rx; struct rxrpc_peer *peer; struct rxrpc_call *call; char lbuff[50], rbuff[50]; 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); rx = rcu_dereference(call->socket); if (rx) { local = READ_ONCE(rx->local); if (local) sprintf(lbuff, "%pISpc", &local->srx.transport); else strcpy(lbuff, "no_local"); } else { strcpy(lbuff, "no_socket"); } peer = call->peer; if (peer) sprintf(rbuff, "%pISpc", &peer->srx.transport); else strcpy(rbuff, "no_connection"); seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u" " %-8.8s %08x %lx\n", lbuff, rbuff, call->service_id, call->cid, call->call_id, rxrpc_is_service_call(call) ? "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_connection_proc_list, *_pos); } static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v, loff_t *pos) { return seq_list_next(v, &rxrpc_connection_proc_list, 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; char lbuff[50], rbuff[50]; if (v == &rxrpc_connection_proc_list) { seq_puts(seq, "Proto Local " " Remote " " SvID ConnID End Use State Key " " Serial ISerial\n" ); return 0; } conn = list_entry(v, struct rxrpc_connection, proc_link); if (conn->state == RXRPC_CONN_SERVICE_PREALLOC) { strcpy(lbuff, "no_local"); strcpy(rbuff, "no_connection"); goto print; } sprintf(lbuff, "%pISpc", &conn->params.local->srx.transport); sprintf(rbuff, "%pISpc", &conn->params.peer->srx.transport); print: seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %s %3u" " %s %08x %08x %08x\n", lbuff, rbuff, conn->params.service_id, conn->proto.cid, rxrpc_conn_is_service(conn) ? "Svc" : "Clt", atomic_read(&conn->usage), rxrpc_conn_states[conn->state], key_serial(conn->params.key), atomic_read(&conn->serial), 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, }; |