2008-01-26 06:51:12 +08:00
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/*
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* Host Side support for RNDIS Networking Links
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* Copyright (C) 2005 by David Brownell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2008-03-08 02:45:32 +08:00
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#ifndef __LINUX_USB_RNDIS_HOST_H
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#define __LINUX_USB_RNDIS_HOST_H
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2008-01-26 06:51:12 +08:00
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/*
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* CONTROL uses CDC "encapsulated commands" with funky notifications.
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* - control-out: SEND_ENCAPSULATED
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* - interrupt-in: RESPONSE_AVAILABLE
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* - control-in: GET_ENCAPSULATED
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*
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* We'll try to ignore the RESPONSE_AVAILABLE notifications.
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*
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* REVISIT some RNDIS implementations seem to have curious issues still
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* to be resolved.
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*/
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struct rndis_msg_hdr {
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__le32 msg_type; /* RNDIS_MSG_* */
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__le32 msg_len;
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// followed by data that varies between messages
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__le32 request_id;
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__le32 status;
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// ... and more
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} __attribute__ ((packed));
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/* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */
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#define CONTROL_BUFFER_SIZE 1025
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/* RNDIS defines an (absurdly huge) 10 second control timeout,
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* but ActiveSync seems to use a more usual 5 second timeout
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* (which matches the USB 2.0 spec).
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*/
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#define RNDIS_CONTROL_TIMEOUT_MS (5 * 1000)
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_COMPLETION cpu_to_le32(0x80000000)
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2008-01-26 06:51:12 +08:00
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/* codes for "msg_type" field of rndis messages;
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* only the data channel uses packet messages (maybe batched);
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* everything else goes on the control channel.
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*/
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_PACKET cpu_to_le32(0x00000001) /* 1-N packets */
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#define RNDIS_MSG_INIT cpu_to_le32(0x00000002)
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2008-01-26 06:51:12 +08:00
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#define RNDIS_MSG_INIT_C (RNDIS_MSG_INIT|RNDIS_MSG_COMPLETION)
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_HALT cpu_to_le32(0x00000003)
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#define RNDIS_MSG_QUERY cpu_to_le32(0x00000004)
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2008-01-26 06:51:12 +08:00
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#define RNDIS_MSG_QUERY_C (RNDIS_MSG_QUERY|RNDIS_MSG_COMPLETION)
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_SET cpu_to_le32(0x00000005)
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2008-01-26 06:51:12 +08:00
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#define RNDIS_MSG_SET_C (RNDIS_MSG_SET|RNDIS_MSG_COMPLETION)
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_RESET cpu_to_le32(0x00000006)
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2008-01-26 06:51:12 +08:00
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#define RNDIS_MSG_RESET_C (RNDIS_MSG_RESET|RNDIS_MSG_COMPLETION)
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2009-02-15 14:56:56 +08:00
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#define RNDIS_MSG_INDICATE cpu_to_le32(0x00000007)
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#define RNDIS_MSG_KEEPALIVE cpu_to_le32(0x00000008)
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2008-01-26 06:51:12 +08:00
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#define RNDIS_MSG_KEEPALIVE_C (RNDIS_MSG_KEEPALIVE|RNDIS_MSG_COMPLETION)
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/* codes for "status" field of completion messages */
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2009-07-31 00:41:58 +08:00
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#define RNDIS_STATUS_SUCCESS cpu_to_le32(0x00000000)
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#define RNDIS_STATUS_FAILURE cpu_to_le32(0xc0000001)
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#define RNDIS_STATUS_INVALID_DATA cpu_to_le32(0xc0010015)
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#define RNDIS_STATUS_NOT_SUPPORTED cpu_to_le32(0xc00000bb)
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#define RNDIS_STATUS_MEDIA_CONNECT cpu_to_le32(0x4001000b)
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#define RNDIS_STATUS_MEDIA_DISCONNECT cpu_to_le32(0x4001000c)
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#define RNDIS_STATUS_MEDIA_SPECIFIC_INDICATION cpu_to_le32(0x40010012)
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2008-01-26 06:51:12 +08:00
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2008-01-28 05:34:33 +08:00
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/* codes for OID_GEN_PHYSICAL_MEDIUM */
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2009-02-15 14:56:56 +08:00
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#define RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED cpu_to_le32(0x00000000)
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#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN cpu_to_le32(0x00000001)
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#define RNDIS_PHYSICAL_MEDIUM_CABLE_MODEM cpu_to_le32(0x00000002)
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#define RNDIS_PHYSICAL_MEDIUM_PHONE_LINE cpu_to_le32(0x00000003)
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#define RNDIS_PHYSICAL_MEDIUM_POWER_LINE cpu_to_le32(0x00000004)
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#define RNDIS_PHYSICAL_MEDIUM_DSL cpu_to_le32(0x00000005)
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#define RNDIS_PHYSICAL_MEDIUM_FIBRE_CHANNEL cpu_to_le32(0x00000006)
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#define RNDIS_PHYSICAL_MEDIUM_1394 cpu_to_le32(0x00000007)
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#define RNDIS_PHYSICAL_MEDIUM_WIRELESS_WAN cpu_to_le32(0x00000008)
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#define RNDIS_PHYSICAL_MEDIUM_MAX cpu_to_le32(0x00000009)
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2008-01-26 06:51:12 +08:00
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struct rndis_data_hdr {
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__le32 msg_type; /* RNDIS_MSG_PACKET */
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__le32 msg_len; // rndis_data_hdr + data_len + pad
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__le32 data_offset; // 36 -- right after header
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__le32 data_len; // ... real packet size
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__le32 oob_data_offset; // zero
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__le32 oob_data_len; // zero
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__le32 num_oob; // zero
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__le32 packet_data_offset; // zero
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__le32 packet_data_len; // zero
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__le32 vc_handle; // zero
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__le32 reserved; // zero
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} __attribute__ ((packed));
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struct rndis_init { /* OUT */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_INIT */
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__le32 msg_len; // 24
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__le32 request_id;
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__le32 major_version; // of rndis (1.0)
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__le32 minor_version;
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__le32 max_transfer_size;
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} __attribute__ ((packed));
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struct rndis_init_c { /* IN */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_INIT_C */
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__le32 msg_len;
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__le32 request_id;
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__le32 status;
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__le32 major_version; // of rndis (1.0)
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__le32 minor_version;
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__le32 device_flags;
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__le32 medium; // zero == 802.3
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__le32 max_packets_per_message;
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__le32 max_transfer_size;
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__le32 packet_alignment; // max 7; (1<<n) bytes
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__le32 af_list_offset; // zero
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__le32 af_list_size; // zero
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} __attribute__ ((packed));
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struct rndis_halt { /* OUT (no reply) */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_HALT */
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__le32 msg_len;
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__le32 request_id;
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} __attribute__ ((packed));
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struct rndis_query { /* OUT */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_QUERY */
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__le32 msg_len;
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__le32 request_id;
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__le32 oid;
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__le32 len;
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__le32 offset;
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/*?*/ __le32 handle; // zero
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} __attribute__ ((packed));
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struct rndis_query_c { /* IN */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_QUERY_C */
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__le32 msg_len;
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__le32 request_id;
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__le32 status;
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__le32 len;
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__le32 offset;
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} __attribute__ ((packed));
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struct rndis_set { /* OUT */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_SET */
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__le32 msg_len;
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__le32 request_id;
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__le32 oid;
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__le32 len;
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__le32 offset;
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/*?*/ __le32 handle; // zero
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} __attribute__ ((packed));
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struct rndis_set_c { /* IN */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_SET_C */
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__le32 msg_len;
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__le32 request_id;
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__le32 status;
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} __attribute__ ((packed));
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struct rndis_reset { /* IN */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_RESET */
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__le32 msg_len;
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__le32 reserved;
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} __attribute__ ((packed));
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struct rndis_reset_c { /* OUT */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_RESET_C */
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__le32 msg_len;
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__le32 status;
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__le32 addressing_lost;
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} __attribute__ ((packed));
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struct rndis_indicate { /* IN (unrequested) */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_INDICATE */
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__le32 msg_len;
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__le32 status;
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__le32 length;
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__le32 offset;
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/**/ __le32 diag_status;
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__le32 error_offset;
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/**/ __le32 message;
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} __attribute__ ((packed));
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struct rndis_keepalive { /* OUT (optionally IN) */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_KEEPALIVE */
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__le32 msg_len;
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__le32 request_id;
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} __attribute__ ((packed));
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struct rndis_keepalive_c { /* IN (optionally OUT) */
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// header and:
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__le32 msg_type; /* RNDIS_MSG_KEEPALIVE_C */
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__le32 msg_len;
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__le32 request_id;
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__le32 status;
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} __attribute__ ((packed));
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/* NOTE: about 30 OIDs are "mandatory" for peripherals to support ... and
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* there are gobs more that may optionally be supported. We'll avoid as much
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* of that mess as possible.
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*/
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2009-02-15 14:56:56 +08:00
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#define OID_802_3_PERMANENT_ADDRESS cpu_to_le32(0x01010101)
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#define OID_GEN_MAXIMUM_FRAME_SIZE cpu_to_le32(0x00010106)
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#define OID_GEN_CURRENT_PACKET_FILTER cpu_to_le32(0x0001010e)
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#define OID_GEN_PHYSICAL_MEDIUM cpu_to_le32(0x00010202)
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2008-01-26 06:51:12 +08:00
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/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */
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2009-02-15 14:56:56 +08:00
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#define RNDIS_PACKET_TYPE_DIRECTED cpu_to_le32(0x00000001)
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#define RNDIS_PACKET_TYPE_MULTICAST cpu_to_le32(0x00000002)
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#define RNDIS_PACKET_TYPE_ALL_MULTICAST cpu_to_le32(0x00000004)
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#define RNDIS_PACKET_TYPE_BROADCAST cpu_to_le32(0x00000008)
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#define RNDIS_PACKET_TYPE_SOURCE_ROUTING cpu_to_le32(0x00000010)
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#define RNDIS_PACKET_TYPE_PROMISCUOUS cpu_to_le32(0x00000020)
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#define RNDIS_PACKET_TYPE_SMT cpu_to_le32(0x00000040)
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#define RNDIS_PACKET_TYPE_ALL_LOCAL cpu_to_le32(0x00000080)
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#define RNDIS_PACKET_TYPE_GROUP cpu_to_le32(0x00001000)
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#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL cpu_to_le32(0x00002000)
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#define RNDIS_PACKET_TYPE_FUNCTIONAL cpu_to_le32(0x00004000)
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#define RNDIS_PACKET_TYPE_MAC_FRAME cpu_to_le32(0x00008000)
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2008-01-26 06:51:12 +08:00
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/* default filter used with RNDIS devices */
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#define RNDIS_DEFAULT_FILTER ( \
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RNDIS_PACKET_TYPE_DIRECTED | \
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RNDIS_PACKET_TYPE_BROADCAST | \
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RNDIS_PACKET_TYPE_ALL_MULTICAST | \
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RNDIS_PACKET_TYPE_PROMISCUOUS)
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2008-01-28 05:34:33 +08:00
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/* Flags to require specific physical medium type for generic_rndis_bind() */
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#define FLAG_RNDIS_PHYM_NOT_WIRELESS 0x0001
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#define FLAG_RNDIS_PHYM_WIRELESS 0x0002
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2008-01-26 06:51:17 +08:00
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extern void rndis_status(struct usbnet *dev, struct urb *urb);
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2008-06-18 20:40:12 +08:00
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extern int
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rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen);
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2008-01-28 05:34:33 +08:00
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extern int
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generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags);
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2008-01-26 06:51:17 +08:00
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extern void rndis_unbind(struct usbnet *dev, struct usb_interface *intf);
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extern int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb);
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extern struct sk_buff *
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rndis_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags);
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2008-03-08 02:45:32 +08:00
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#endif /* __LINUX_USB_RNDIS_HOST_H */
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