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-rw-r--r--include/linux/connector.h158
-rw-r--r--include/linux/netlink.h1
-rw-r--r--include/linux/sysctl.h3
-rw-r--r--include/net/ax25.h31
-rw-r--r--include/net/netrom.h32
5 files changed, 212 insertions, 13 deletions
diff --git a/include/linux/connector.h b/include/linux/connector.h
new file mode 100644
index 00000000000..96de26301f8
--- /dev/null
+++ b/include/linux/connector.h
@@ -0,0 +1,158 @@
+/*
+ * connector.h
+ *
+ * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __CONNECTOR_H
+#define __CONNECTOR_H
+
+#include <asm/types.h>
+
+#define CN_IDX_CONNECTOR 0xffffffff
+#define CN_VAL_CONNECTOR 0xffffffff
+
+#define CN_NETLINK_USERS 1
+
+/*
+ * Maximum connector's message size.
+ */
+#define CONNECTOR_MAX_MSG_SIZE 1024
+
+/*
+ * idx and val are unique identifiers which
+ * are used for message routing and
+ * must be registered in connector.h for in-kernel usage.
+ */
+
+struct cb_id {
+ __u32 idx;
+ __u32 val;
+};
+
+struct cn_msg {
+ struct cb_id id;
+
+ __u32 seq;
+ __u32 ack;
+
+ __u16 len; /* Length of the following data */
+ __u16 flags;
+ __u8 data[0];
+};
+
+/*
+ * Notify structure - requests notification about
+ * registering/unregistering idx/val in range [first, first+range].
+ */
+struct cn_notify_req {
+ __u32 first;
+ __u32 range;
+};
+
+/*
+ * Main notification control message
+ * *_notify_num - number of appropriate cn_notify_req structures after
+ * this struct.
+ * group - notification receiver's idx.
+ * len - total length of the attached data.
+ */
+struct cn_ctl_msg {
+ __u32 idx_notify_num;
+ __u32 val_notify_num;
+ __u32 group;
+ __u32 len;
+ __u8 data[0];
+};
+
+#ifdef __KERNEL__
+
+#include <asm/atomic.h>
+
+#include <linux/list.h>
+#include <linux/workqueue.h>
+
+#include <net/sock.h>
+
+#define CN_CBQ_NAMELEN 32
+
+struct cn_queue_dev {
+ atomic_t refcnt;
+ unsigned char name[CN_CBQ_NAMELEN];
+
+ struct workqueue_struct *cn_queue;
+
+ struct list_head queue_list;
+ spinlock_t queue_lock;
+
+ int netlink_groups;
+ struct sock *nls;
+};
+
+struct cn_callback {
+ unsigned char name[CN_CBQ_NAMELEN];
+
+ struct cb_id id;
+ void (*callback) (void *);
+ void *priv;
+};
+
+struct cn_callback_entry {
+ struct list_head callback_entry;
+ struct cn_callback *cb;
+ struct work_struct work;
+ struct cn_queue_dev *pdev;
+
+ void (*destruct_data) (void *);
+ void *ddata;
+
+ int seq, group;
+ struct sock *nls;
+};
+
+struct cn_ctl_entry {
+ struct list_head notify_entry;
+ struct cn_ctl_msg *msg;
+};
+
+struct cn_dev {
+ struct cb_id id;
+
+ u32 seq, groups;
+ struct sock *nls;
+ void (*input) (struct sock * sk, int len);
+
+ struct cn_queue_dev *cbdev;
+};
+
+int cn_add_callback(struct cb_id *, char *, void (*callback) (void *));
+void cn_del_callback(struct cb_id *);
+int cn_netlink_send(struct cn_msg *, u32, int);
+
+int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb);
+void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
+
+struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *);
+void cn_queue_free_dev(struct cn_queue_dev *dev);
+
+int cn_cb_equal(struct cb_id *, struct cb_id *);
+
+extern int cn_already_initialized;
+
+#endif /* __KERNEL__ */
+#endif /* __CONNECTOR_H */
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 16751866893..7bbd25970c9 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -15,6 +15,7 @@
#define NETLINK_ISCSI 8 /* Open-iSCSI */
#define NETLINK_AUDIT 9 /* auditing */
#define NETLINK_FIB_LOOKUP 10
+#define NETLINK_CONNECTOR 11
#define NETLINK_NETFILTER 12 /* netfilter subsystem */
#define NETLINK_IP6_FW 13
#define NETLINK_DNRTMSG 14 /* DECnet routing messages */
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 532a6c5c24e..3a29a9f9b45 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -544,7 +544,8 @@ enum {
NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE=8,
NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT=9,
NET_NETROM_ROUTING_CONTROL=10,
- NET_NETROM_LINK_FAILS_COUNT=11
+ NET_NETROM_LINK_FAILS_COUNT=11,
+ NET_NETROM_RESET=12
};
/* /proc/sys/net/ax25 */
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 227d3378dec..9dbcd9e51c0 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -26,11 +26,20 @@
/* AX.25 Protocol IDs */
#define AX25_P_ROSE 0x01
-#define AX25_P_IP 0xCC
-#define AX25_P_ARP 0xCD
-#define AX25_P_TEXT 0xF0
-#define AX25_P_NETROM 0xCF
-#define AX25_P_SEGMENT 0x08
+#define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */
+ /* Van Jacobsen (RFC 1144) */
+#define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */
+ /* Van Jacobsen (RFC 1144) */
+#define AX25_P_SEGMENT 0x08 /* Segmentation fragment */
+#define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */
+#define AX25_P_LQ 0xc4 /* Link Quality Protocol */
+#define AX25_P_ATALK 0xca /* Appletalk */
+#define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */
+#define AX25_P_IP 0xcc /* ARPA Internet Protocol */
+#define AX25_P_ARP 0xcd /* ARPA Adress Resolution */
+#define AX25_P_FLEXNET 0xce /* FlexNet */
+#define AX25_P_NETROM 0xcf /* NET/ROM */
+#define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */
/* AX.25 Segment control values */
#define AX25_SEG_REM 0x7F
@@ -88,11 +97,11 @@
/* Define Link State constants. */
enum {
- AX25_STATE_0,
- AX25_STATE_1,
- AX25_STATE_2,
- AX25_STATE_3,
- AX25_STATE_4
+ AX25_STATE_0, /* Listening */
+ AX25_STATE_1, /* SABM sent */
+ AX25_STATE_2, /* DISC sent */
+ AX25_STATE_3, /* Established */
+ AX25_STATE_4 /* Recovery */
};
#define AX25_MODULUS 8 /* Standard AX.25 modulus */
@@ -319,7 +328,7 @@ extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *);
extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
/* ax25_ip.c */
-extern int ax25_encapsulate(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int);
+extern int ax25_hard_header(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int);
extern int ax25_rebuild_header(struct sk_buff *);
/* ax25_out.c */
diff --git a/include/net/netrom.h b/include/net/netrom.h
index 45f2c7616d8..a6bf6e0f606 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -6,6 +6,7 @@
#ifndef _NETROM_H
#define _NETROM_H
+
#include <linux/netrom.h>
#include <linux/list.h>
#include <net/sock.h>
@@ -22,6 +23,7 @@
#define NR_DISCACK 0x04
#define NR_INFO 0x05
#define NR_INFOACK 0x06
+#define NR_RESET 0x07
#define NR_CHOKE_FLAG 0x80
#define NR_NAK_FLAG 0x40
@@ -51,11 +53,16 @@ enum {
#define NR_DEFAULT_TTL 16 /* Default Time To Live - 16 */
#define NR_DEFAULT_ROUTING 1 /* Is routing enabled ? */
#define NR_DEFAULT_FAILS 2 /* Link fails until route fails */
+#define NR_DEFAULT_RESET 0 /* Sent / accept reset cmds? */
#define NR_MODULUS 256
#define NR_MAX_WINDOW_SIZE 127 /* Maximum Window Allowable - 127 */
#define NR_MAX_PACKET_SIZE 236 /* Maximum Packet Length - 236 */
+struct nr_private {
+ struct net_device_stats stats;
+};
+
struct nr_sock {
struct sock sock;
ax25_address user_addr, source_addr, dest_addr;
@@ -176,6 +183,8 @@ extern int sysctl_netrom_transport_requested_window_size;
extern int sysctl_netrom_transport_no_activity_timeout;
extern int sysctl_netrom_routing_control;
extern int sysctl_netrom_link_fails_count;
+extern int sysctl_netrom_reset_circuit;
+
extern int nr_rx_frame(struct sk_buff *, struct net_device *);
extern void nr_destroy_socket(struct sock *);
@@ -218,7 +227,28 @@ extern void nr_requeue_frames(struct sock *);
extern int nr_validate_nr(struct sock *, unsigned short);
extern int nr_in_rx_window(struct sock *, unsigned short);
extern void nr_write_internal(struct sock *, int);
-extern void nr_transmit_refusal(struct sk_buff *, int);
+
+extern void __nr_transmit_reply(struct sk_buff *skb, int mine,
+ unsigned char cmdflags);
+
+/*
+ * This routine is called when a Connect Acknowledge with the Choke Flag
+ * set is needed to refuse a connection.
+ */
+#define nr_transmit_refusal(skb, mine) \
+do { \
+ __nr_transmit_reply((skb), (mine), NR_CONNACK | NR_CHOKE_FLAG); \
+} while (0)
+
+/*
+ * This routine is called when we don't have a circuit matching an incoming
+ * NET/ROM packet. This is an G8PZT Xrouter extension.
+ */
+#define nr_transmit_reset(skb, mine) \
+do { \
+ __nr_transmit_reply((skb), (mine), NR_RESET); \
+} while (0)
+
extern void nr_disconnect(struct sock *, int);
/* nr_timer.c */