Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

5 files changed, 212 insertions, 13 deletions

diff --git a/include/linux/connector.h b/include/linux/connector.h
new file mode 100644
index 0000000..96de263
--- /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 1675186..7bbd259 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 532a6c5..3a29a9f 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 227d337..9dbcd9e 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 45f2c76..a6bf6e0 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 */