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Release 4.11 net/rxrpc/proc.c

Directory: net/rxrpc
/* /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); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells3085.71%266.67%
Pavel Emelyanov514.29%133.33%
Total35100.00%3100.00%


static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos) { return seq_list_next(v, &rxrpc_calls, pos); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells2477.42%150.00%
Pavel Emelyanov722.58%150.00%
Total31100.00%2100.00%


static void rxrpc_call_seq_stop(struct seq_file *seq, void *v) { read_unlock(&rxrpc_call_lock); rcu_read_unlock(); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells24100.00%2100.00%
Total24100.00%2100.00%


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; rxrpc_seq_t tx_hard_ack, rx_hard_ack; 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"); tx_hard_ack = READ_ONCE(call->tx_hard_ack); rx_hard_ack = READ_ONCE(call->rx_hard_ack); seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u" " %-8.8s %08x %lx %08x %02x %08x %02x\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, tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack, rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
David Howells27298.55%880.00%
Pavel Emelyanov20.72%110.00%
Harvey Harrison20.72%110.00%
Total276100.00%10100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells25100.00%1100.00%
Total25100.00%1100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells2784.38%266.67%
Pavel Emelyanov515.62%133.33%
Total32100.00%3100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells2477.42%266.67%
Pavel Emelyanov722.58%133.33%
Total31100.00%3100.00%


static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v) { read_unlock(&rxrpc_connection_lock); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells21100.00%1100.00%
Total21100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
David Howells19998.51%777.78%
Harvey Harrison20.99%111.11%
Pavel Emelyanov10.50%111.11%
Total202100.00%9100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells25100.00%1100.00%
Total25100.00%1100.00%

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, };

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells85995.76%1473.68%
Pavel Emelyanov293.23%210.53%
Harvey Harrison40.45%15.26%
Jan Engelhardt30.33%15.26%
Philippe De Muyter20.22%15.26%
Total897100.00%19100.00%
Directory: net/rxrpc
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