From 7517579af8f32ecf9ddff4ead52bc801e4898efe Mon Sep 17 00:00:00 2001
From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Sat, 26 Jan 2008 00:51:12 +0200
Subject: [PATCH] rndis_host: Split up rndis_host.c

Split up rndis_host.c into rndis_host.h and rndis_base.c. This is done so
that rndis_wlan can reuse common parts with rndis_host.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/rndis_host.c | 223 +------------------------------
 drivers/net/usb/rndis_host.h | 248 +++++++++++++++++++++++++++++++++++
 2 files changed, 249 insertions(+), 222 deletions(-)
 create mode 100644 drivers/net/usb/rndis_host.h

diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 12daf9cfb7..29d7e3b166 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -31,6 +31,7 @@
 #include <linux/usb/cdc.h>
 
 #include "usbnet.h"
+#include "rndis_host.h"
 
 
 /*
@@ -55,228 +56,6 @@
  * currently rare) "Ethernet Emulation Model" (EEM).
  */
 
-/*
- * CONTROL uses CDC "encapsulated commands" with funky notifications.
- *  - control-out:  SEND_ENCAPSULATED
- *  - interrupt-in:  RESPONSE_AVAILABLE
- *  - control-in:  GET_ENCAPSULATED
- *
- * We'll try to ignore the RESPONSE_AVAILABLE notifications.
- *
- * REVISIT some RNDIS implementations seem to have curious issues still
- * to be resolved.
- */
-struct rndis_msg_hdr {
-	__le32	msg_type;			/* RNDIS_MSG_* */
-	__le32	msg_len;
-	// followed by data that varies between messages
-	__le32	request_id;
-	__le32	status;
-	// ... and more
-} __attribute__ ((packed));
-
-/* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */
-#define	CONTROL_BUFFER_SIZE		1025
-
-/* RNDIS defines an (absurdly huge) 10 second control timeout,
- * but ActiveSync seems to use a more usual 5 second timeout
- * (which matches the USB 2.0 spec).
- */
-#define	RNDIS_CONTROL_TIMEOUT_MS	(5 * 1000)
-
-
-#define ccpu2 __constant_cpu_to_le32
-
-#define RNDIS_MSG_COMPLETION	ccpu2(0x80000000)
-
-/* codes for "msg_type" field of rndis messages;
- * only the data channel uses packet messages (maybe batched);
- * everything else goes on the control channel.
- */
-#define RNDIS_MSG_PACKET	ccpu2(0x00000001)	/* 1-N packets */
-#define RNDIS_MSG_INIT		ccpu2(0x00000002)
-#define RNDIS_MSG_INIT_C	(RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
-#define RNDIS_MSG_HALT		ccpu2(0x00000003)
-#define RNDIS_MSG_QUERY		ccpu2(0x00000004)
-#define RNDIS_MSG_QUERY_C	(RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
-#define RNDIS_MSG_SET		ccpu2(0x00000005)
-#define RNDIS_MSG_SET_C		(RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
-#define RNDIS_MSG_RESET		ccpu2(0x00000006)
-#define RNDIS_MSG_RESET_C	(RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
-#define RNDIS_MSG_INDICATE	ccpu2(0x00000007)
-#define RNDIS_MSG_KEEPALIVE	ccpu2(0x00000008)
-#define RNDIS_MSG_KEEPALIVE_C	(RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
-
-/* codes for "status" field of completion messages */
-#define	RNDIS_STATUS_SUCCESS		ccpu2(0x00000000)
-#define	RNDIS_STATUS_FAILURE		ccpu2(0xc0000001)
-#define	RNDIS_STATUS_INVALID_DATA	ccpu2(0xc0010015)
-#define	RNDIS_STATUS_NOT_SUPPORTED	ccpu2(0xc00000bb)
-#define	RNDIS_STATUS_MEDIA_CONNECT	ccpu2(0x4001000b)
-#define	RNDIS_STATUS_MEDIA_DISCONNECT	ccpu2(0x4001000c)
-
-
-struct rndis_data_hdr {
-	__le32	msg_type;		/* RNDIS_MSG_PACKET */
-	__le32	msg_len;		// rndis_data_hdr + data_len + pad
-	__le32	data_offset;		// 36 -- right after header
-	__le32	data_len;		// ... real packet size
-
-	__le32	oob_data_offset;	// zero
-	__le32	oob_data_len;		// zero
-	__le32	num_oob;		// zero
-	__le32	packet_data_offset;	// zero
-
-	__le32	packet_data_len;	// zero
-	__le32	vc_handle;		// zero
-	__le32	reserved;		// zero
-} __attribute__ ((packed));
-
-struct rndis_init {		/* OUT */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_INIT */
-	__le32	msg_len;			// 24
-	__le32	request_id;
-	__le32	major_version;			// of rndis (1.0)
-	__le32	minor_version;
-	__le32	max_transfer_size;
-} __attribute__ ((packed));
-
-struct rndis_init_c {		/* IN */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_INIT_C */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	status;
-	__le32	major_version;			// of rndis (1.0)
-	__le32	minor_version;
-	__le32	device_flags;
-	__le32	medium;				// zero == 802.3
-	__le32	max_packets_per_message;
-	__le32	max_transfer_size;
-	__le32	packet_alignment;		// max 7; (1<<n) bytes
-	__le32	af_list_offset;			// zero
-	__le32	af_list_size;			// zero
-} __attribute__ ((packed));
-
-struct rndis_halt {		/* OUT (no reply) */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_HALT */
-	__le32	msg_len;
-	__le32	request_id;
-} __attribute__ ((packed));
-
-struct rndis_query {		/* OUT */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_QUERY */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	oid;
-	__le32	len;
-	__le32	offset;
-/*?*/	__le32	handle;				// zero
-} __attribute__ ((packed));
-
-struct rndis_query_c {		/* IN */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_QUERY_C */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	status;
-	__le32	len;
-	__le32	offset;
-} __attribute__ ((packed));
-
-struct rndis_set {		/* OUT */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_SET */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	oid;
-	__le32	len;
-	__le32	offset;
-/*?*/	__le32	handle;				// zero
-} __attribute__ ((packed));
-
-struct rndis_set_c {		/* IN */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_SET_C */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	status;
-} __attribute__ ((packed));
-
-struct rndis_reset {		/* IN */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_RESET */
-	__le32	msg_len;
-	__le32	reserved;
-} __attribute__ ((packed));
-
-struct rndis_reset_c {		/* OUT */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_RESET_C */
-	__le32	msg_len;
-	__le32	status;
-	__le32	addressing_lost;
-} __attribute__ ((packed));
-
-struct rndis_indicate {		/* IN (unrequested) */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_INDICATE */
-	__le32	msg_len;
-	__le32	status;
-	__le32	length;
-	__le32	offset;
-/**/	__le32	diag_status;
-	__le32	error_offset;
-/**/	__le32	message;
-} __attribute__ ((packed));
-
-struct rndis_keepalive {	/* OUT (optionally IN) */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_KEEPALIVE */
-	__le32	msg_len;
-	__le32	request_id;
-} __attribute__ ((packed));
-
-struct rndis_keepalive_c {	/* IN (optionally OUT) */
-	// header and:
-	__le32	msg_type;			/* RNDIS_MSG_KEEPALIVE_C */
-	__le32	msg_len;
-	__le32	request_id;
-	__le32	status;
-} __attribute__ ((packed));
-
-/* NOTE:  about 30 OIDs are "mandatory" for peripherals to support ... and
- * there are gobs more that may optionally be supported.  We'll avoid as much
- * of that mess as possible.
- */
-#define OID_802_3_PERMANENT_ADDRESS	ccpu2(0x01010101)
-#define OID_GEN_MAXIMUM_FRAME_SIZE	ccpu2(0x00010106)
-#define OID_GEN_CURRENT_PACKET_FILTER	ccpu2(0x0001010e)
-
-/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */
-#define RNDIS_PACKET_TYPE_DIRECTED		ccpu2(0x00000001)
-#define RNDIS_PACKET_TYPE_MULTICAST		ccpu2(0x00000002)
-#define RNDIS_PACKET_TYPE_ALL_MULTICAST		ccpu2(0x00000004)
-#define RNDIS_PACKET_TYPE_BROADCAST		ccpu2(0x00000008)
-#define RNDIS_PACKET_TYPE_SOURCE_ROUTING	ccpu2(0x00000010)
-#define RNDIS_PACKET_TYPE_PROMISCUOUS		ccpu2(0x00000020)
-#define RNDIS_PACKET_TYPE_SMT			ccpu2(0x00000040)
-#define RNDIS_PACKET_TYPE_ALL_LOCAL		ccpu2(0x00000080)
-#define RNDIS_PACKET_TYPE_GROUP			ccpu2(0x00001000)
-#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL	ccpu2(0x00002000)
-#define RNDIS_PACKET_TYPE_FUNCTIONAL		ccpu2(0x00004000)
-#define RNDIS_PACKET_TYPE_MAC_FRAME		ccpu2(0x00008000)
-
-/* default filter used with RNDIS devices */
-#define RNDIS_DEFAULT_FILTER ( \
-	RNDIS_PACKET_TYPE_DIRECTED | \
-	RNDIS_PACKET_TYPE_BROADCAST | \
-	RNDIS_PACKET_TYPE_ALL_MULTICAST | \
-	RNDIS_PACKET_TYPE_PROMISCUOUS)
-
 /*
  * RNDIS notifications from device: command completion; "reverse"
  * keepalives; etc
diff --git a/drivers/net/usb/rndis_host.h b/drivers/net/usb/rndis_host.h
new file mode 100644
index 0000000000..1386a17916
--- /dev/null
+++ b/drivers/net/usb/rndis_host.h
@@ -0,0 +1,248 @@
+/*
+ * Host Side support for RNDIS Networking Links
+ * Copyright (C) 2005 by David Brownell
+ *
+ * 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	__RNDIS_HOST_H
+#define	__RNDIS_HOST_H
+
+
+/*
+ * CONTROL uses CDC "encapsulated commands" with funky notifications.
+ *  - control-out:  SEND_ENCAPSULATED
+ *  - interrupt-in:  RESPONSE_AVAILABLE
+ *  - control-in:  GET_ENCAPSULATED
+ *
+ * We'll try to ignore the RESPONSE_AVAILABLE notifications.
+ *
+ * REVISIT some RNDIS implementations seem to have curious issues still
+ * to be resolved.
+ */
+struct rndis_msg_hdr {
+	__le32	msg_type;			/* RNDIS_MSG_* */
+	__le32	msg_len;
+	// followed by data that varies between messages
+	__le32	request_id;
+	__le32	status;
+	// ... and more
+} __attribute__ ((packed));
+
+/* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */
+#define	CONTROL_BUFFER_SIZE		1025
+
+/* RNDIS defines an (absurdly huge) 10 second control timeout,
+ * but ActiveSync seems to use a more usual 5 second timeout
+ * (which matches the USB 2.0 spec).
+ */
+#define	RNDIS_CONTROL_TIMEOUT_MS	(5 * 1000)
+
+
+#define ccpu2 __constant_cpu_to_le32
+
+#define RNDIS_MSG_COMPLETION	ccpu2(0x80000000)
+
+/* codes for "msg_type" field of rndis messages;
+ * only the data channel uses packet messages (maybe batched);
+ * everything else goes on the control channel.
+ */
+#define RNDIS_MSG_PACKET	ccpu2(0x00000001)	/* 1-N packets */
+#define RNDIS_MSG_INIT		ccpu2(0x00000002)
+#define RNDIS_MSG_INIT_C	(RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
+#define RNDIS_MSG_HALT		ccpu2(0x00000003)
+#define RNDIS_MSG_QUERY		ccpu2(0x00000004)
+#define RNDIS_MSG_QUERY_C	(RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
+#define RNDIS_MSG_SET		ccpu2(0x00000005)
+#define RNDIS_MSG_SET_C		(RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
+#define RNDIS_MSG_RESET		ccpu2(0x00000006)
+#define RNDIS_MSG_RESET_C	(RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
+#define RNDIS_MSG_INDICATE	ccpu2(0x00000007)
+#define RNDIS_MSG_KEEPALIVE	ccpu2(0x00000008)
+#define RNDIS_MSG_KEEPALIVE_C	(RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
+
+/* codes for "status" field of completion messages */
+#define	RNDIS_STATUS_SUCCESS		ccpu2(0x00000000)
+#define	RNDIS_STATUS_FAILURE		ccpu2(0xc0000001)
+#define	RNDIS_STATUS_INVALID_DATA	ccpu2(0xc0010015)
+#define	RNDIS_STATUS_NOT_SUPPORTED	ccpu2(0xc00000bb)
+#define	RNDIS_STATUS_MEDIA_CONNECT	ccpu2(0x4001000b)
+#define	RNDIS_STATUS_MEDIA_DISCONNECT	ccpu2(0x4001000c)
+
+
+struct rndis_data_hdr {
+	__le32	msg_type;		/* RNDIS_MSG_PACKET */
+	__le32	msg_len;		// rndis_data_hdr + data_len + pad
+	__le32	data_offset;		// 36 -- right after header
+	__le32	data_len;		// ... real packet size
+
+	__le32	oob_data_offset;	// zero
+	__le32	oob_data_len;		// zero
+	__le32	num_oob;		// zero
+	__le32	packet_data_offset;	// zero
+
+	__le32	packet_data_len;	// zero
+	__le32	vc_handle;		// zero
+	__le32	reserved;		// zero
+} __attribute__ ((packed));
+
+struct rndis_init {		/* OUT */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_INIT */
+	__le32	msg_len;			// 24
+	__le32	request_id;
+	__le32	major_version;			// of rndis (1.0)
+	__le32	minor_version;
+	__le32	max_transfer_size;
+} __attribute__ ((packed));
+
+struct rndis_init_c {		/* IN */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_INIT_C */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	status;
+	__le32	major_version;			// of rndis (1.0)
+	__le32	minor_version;
+	__le32	device_flags;
+	__le32	medium;				// zero == 802.3
+	__le32	max_packets_per_message;
+	__le32	max_transfer_size;
+	__le32	packet_alignment;		// max 7; (1<<n) bytes
+	__le32	af_list_offset;			// zero
+	__le32	af_list_size;			// zero
+} __attribute__ ((packed));
+
+struct rndis_halt {		/* OUT (no reply) */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_HALT */
+	__le32	msg_len;
+	__le32	request_id;
+} __attribute__ ((packed));
+
+struct rndis_query {		/* OUT */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_QUERY */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	oid;
+	__le32	len;
+	__le32	offset;
+/*?*/	__le32	handle;				// zero
+} __attribute__ ((packed));
+
+struct rndis_query_c {		/* IN */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_QUERY_C */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	status;
+	__le32	len;
+	__le32	offset;
+} __attribute__ ((packed));
+
+struct rndis_set {		/* OUT */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_SET */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	oid;
+	__le32	len;
+	__le32	offset;
+/*?*/	__le32	handle;				// zero
+} __attribute__ ((packed));
+
+struct rndis_set_c {		/* IN */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_SET_C */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	status;
+} __attribute__ ((packed));
+
+struct rndis_reset {		/* IN */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_RESET */
+	__le32	msg_len;
+	__le32	reserved;
+} __attribute__ ((packed));
+
+struct rndis_reset_c {		/* OUT */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_RESET_C */
+	__le32	msg_len;
+	__le32	status;
+	__le32	addressing_lost;
+} __attribute__ ((packed));
+
+struct rndis_indicate {		/* IN (unrequested) */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_INDICATE */
+	__le32	msg_len;
+	__le32	status;
+	__le32	length;
+	__le32	offset;
+/**/	__le32	diag_status;
+	__le32	error_offset;
+/**/	__le32	message;
+} __attribute__ ((packed));
+
+struct rndis_keepalive {	/* OUT (optionally IN) */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_KEEPALIVE */
+	__le32	msg_len;
+	__le32	request_id;
+} __attribute__ ((packed));
+
+struct rndis_keepalive_c {	/* IN (optionally OUT) */
+	// header and:
+	__le32	msg_type;			/* RNDIS_MSG_KEEPALIVE_C */
+	__le32	msg_len;
+	__le32	request_id;
+	__le32	status;
+} __attribute__ ((packed));
+
+/* NOTE:  about 30 OIDs are "mandatory" for peripherals to support ... and
+ * there are gobs more that may optionally be supported.  We'll avoid as much
+ * of that mess as possible.
+ */
+#define OID_802_3_PERMANENT_ADDRESS	ccpu2(0x01010101)
+#define OID_GEN_MAXIMUM_FRAME_SIZE	ccpu2(0x00010106)
+#define OID_GEN_CURRENT_PACKET_FILTER	ccpu2(0x0001010e)
+
+/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */
+#define RNDIS_PACKET_TYPE_DIRECTED		ccpu2(0x00000001)
+#define RNDIS_PACKET_TYPE_MULTICAST		ccpu2(0x00000002)
+#define RNDIS_PACKET_TYPE_ALL_MULTICAST		ccpu2(0x00000004)
+#define RNDIS_PACKET_TYPE_BROADCAST		ccpu2(0x00000008)
+#define RNDIS_PACKET_TYPE_SOURCE_ROUTING	ccpu2(0x00000010)
+#define RNDIS_PACKET_TYPE_PROMISCUOUS		ccpu2(0x00000020)
+#define RNDIS_PACKET_TYPE_SMT			ccpu2(0x00000040)
+#define RNDIS_PACKET_TYPE_ALL_LOCAL		ccpu2(0x00000080)
+#define RNDIS_PACKET_TYPE_GROUP			ccpu2(0x00001000)
+#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL	ccpu2(0x00002000)
+#define RNDIS_PACKET_TYPE_FUNCTIONAL		ccpu2(0x00004000)
+#define RNDIS_PACKET_TYPE_MAC_FRAME		ccpu2(0x00008000)
+
+/* default filter used with RNDIS devices */
+#define RNDIS_DEFAULT_FILTER ( \
+	RNDIS_PACKET_TYPE_DIRECTED | \
+	RNDIS_PACKET_TYPE_BROADCAST | \
+	RNDIS_PACKET_TYPE_ALL_MULTICAST | \
+	RNDIS_PACKET_TYPE_PROMISCUOUS)
+
+#endif	/* __RNDIS_HOST_H */
+
-- 
2.39.5