ia64/linux-2.6.18-xen.hg

view net/ax25/ax25_std_subr.c @ 673:3161879fdf22

[IA64] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Tue Sep 16 21:26:15 2008 +0900 (2008-09-16)
parents 831230e53067
children
line source
1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
8 */
9 #include <linux/errno.h>
10 #include <linux/types.h>
11 #include <linux/socket.h>
12 #include <linux/in.h>
13 #include <linux/kernel.h>
14 #include <linux/sched.h>
15 #include <linux/timer.h>
16 #include <linux/string.h>
17 #include <linux/sockios.h>
18 #include <linux/net.h>
19 #include <net/ax25.h>
20 #include <linux/inet.h>
21 #include <linux/netdevice.h>
22 #include <linux/skbuff.h>
23 #include <net/sock.h>
24 #include <asm/uaccess.h>
25 #include <asm/system.h>
26 #include <linux/fcntl.h>
27 #include <linux/mm.h>
28 #include <linux/interrupt.h>
30 /*
31 * The following routines are taken from page 170 of the 7th ARRL Computer
32 * Networking Conference paper, as is the whole state machine.
33 */
35 void ax25_std_nr_error_recovery(ax25_cb *ax25)
36 {
37 ax25_std_establish_data_link(ax25);
38 }
40 void ax25_std_establish_data_link(ax25_cb *ax25)
41 {
42 ax25->condition = 0x00;
43 ax25->n2count = 0;
45 if (ax25->modulus == AX25_MODULUS)
46 ax25_send_control(ax25, AX25_SABM, AX25_POLLON, AX25_COMMAND);
47 else
48 ax25_send_control(ax25, AX25_SABME, AX25_POLLON, AX25_COMMAND);
50 ax25_calculate_t1(ax25);
51 ax25_stop_idletimer(ax25);
52 ax25_stop_t3timer(ax25);
53 ax25_stop_t2timer(ax25);
54 ax25_start_t1timer(ax25);
55 }
57 void ax25_std_transmit_enquiry(ax25_cb *ax25)
58 {
59 if (ax25->condition & AX25_COND_OWN_RX_BUSY)
60 ax25_send_control(ax25, AX25_RNR, AX25_POLLON, AX25_COMMAND);
61 else
62 ax25_send_control(ax25, AX25_RR, AX25_POLLON, AX25_COMMAND);
64 ax25->condition &= ~AX25_COND_ACK_PENDING;
66 ax25_calculate_t1(ax25);
67 ax25_start_t1timer(ax25);
68 }
70 void ax25_std_enquiry_response(ax25_cb *ax25)
71 {
72 if (ax25->condition & AX25_COND_OWN_RX_BUSY)
73 ax25_send_control(ax25, AX25_RNR, AX25_POLLON, AX25_RESPONSE);
74 else
75 ax25_send_control(ax25, AX25_RR, AX25_POLLON, AX25_RESPONSE);
77 ax25->condition &= ~AX25_COND_ACK_PENDING;
78 }
80 void ax25_std_timeout_response(ax25_cb *ax25)
81 {
82 if (ax25->condition & AX25_COND_OWN_RX_BUSY)
83 ax25_send_control(ax25, AX25_RNR, AX25_POLLOFF, AX25_RESPONSE);
84 else
85 ax25_send_control(ax25, AX25_RR, AX25_POLLOFF, AX25_RESPONSE);
87 ax25->condition &= ~AX25_COND_ACK_PENDING;
88 }