/* Miscellaneous bits
 *
 * Copyright (C) 2016 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 Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <net/sock.h>
#include <net/af_rxrpc.h>
#include "ar-internal.h"

/*
 * The maximum listening backlog queue size that may be set on a socket by
 * listen().
 */
unsigned int rxrpc_max_backlog __read_mostly = 10;

/*
 * Maximum lifetime of a call (in mx).
 */
unsigned int rxrpc_max_call_lifetime = 60 * 1000;

/*
 * How long to wait before scheduling ACK generation after seeing a
 * packet with RXRPC_REQUEST_ACK set (in ms).
 */
unsigned int rxrpc_requested_ack_delay = 1;

/*
 * How long to wait before scheduling an ACK with subtype DELAY (in ms).
 *
 * We use this when we've received new data packets.  If those packets aren't
 * all consumed within this time we will send a DELAY ACK if an ACK was not
 * requested to let the sender know it doesn't need to resend.
 */
unsigned int rxrpc_soft_ack_delay = 1 * 1000;

/*
 * How long to wait before scheduling an ACK with subtype IDLE (in ms).
 *
 * We use this when we've consumed some previously soft-ACK'd packets when
 * further packets aren't immediately received to decide when to send an IDLE
 * ACK let the other end know that it can free up its Tx buffer space.
 */
unsigned int rxrpc_idle_ack_delay = 0.5 * 1000;

/*
 * Receive window size in packets.  This indicates the maximum number of
 * unconsumed received packets we're willing to retain in memory.  Once this
 * limit is hit, we should generate an EXCEEDS_WINDOW ACK and discard further
 * packets.
 */
unsigned int rxrpc_rx_window_size = RXRPC_INIT_RX_WINDOW_SIZE;
#if (RXRPC_RXTX_BUFF_SIZE - 1) < RXRPC_INIT_RX_WINDOW_SIZE
#error Need to reduce RXRPC_INIT_RX_WINDOW_SIZE
#endif

/*
 * Maximum Rx MTU size.  This indicates to the sender the size of jumbo packet
 * made by gluing normal packets together that we're willing to handle.
 */
unsigned int rxrpc_rx_mtu = 5692;

/*
 * The maximum number of fragments in a received jumbo packet that we tell the
 * sender that we're willing to handle.
 */
unsigned int rxrpc_rx_jumbo_max = 4;

/*
 * Time till packet resend (in milliseconds).
 */
unsigned int rxrpc_resend_timeout = 4 * 1000;

const s8 rxrpc_ack_priority[] = {
	[0]				= 0,
	[RXRPC_ACK_DELAY]		= 1,
	[RXRPC_ACK_REQUESTED]		= 2,
	[RXRPC_ACK_IDLE]		= 3,
	[RXRPC_ACK_DUPLICATE]		= 4,
	[RXRPC_ACK_OUT_OF_SEQUENCE]	= 5,
	[RXRPC_ACK_EXCEEDS_WINDOW]	= 6,
	[RXRPC_ACK_NOSPACE]		= 7,
	[RXRPC_ACK_PING_RESPONSE]	= 8,
};
>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include?id=52f5631a4c056ad01682393be56d2be237e81610'>include</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi?id=52f5631a4c056ad01682393be56d2be237e81610'>uapi</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/asm-generic?id=52f5631a4c056ad01682393be56d2be237e81610'>asm-generic</a>/<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/asm-generic/mman.h?id=52f5631a4c056ad01682393be56d2be237e81610'>mman.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='52f5631a4c056ad01682393be56d2be237e81610'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=52f5631a4c056ad01682393be56d2be237e81610'>Diffstat</a> (limited to 'include/uapi/asm-generic/mman.h')</div><table summary='diffstat' class='diffstat'>