2 * Copyright (c) 2009-2012 Microsoft Corp.
3 * Copyright (c) 2010-2012 Citrix Inc.
4 * Copyright (c) 2012 NetApp Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef __HV_RNDIS_FILTER_H__
30 #define __HV_RNDIS_FILTER_H__
37 /* Destroy or preserve channel on filter/netvsc teardown */
38 #define HV_RF_NV_DESTROY_CHANNEL TRUE
39 #define HV_RF_NV_RETAIN_CHANNEL FALSE
42 * Number of page buffers to reserve for the RNDIS filter packet in the
43 * transmitted message.
45 #define HV_RF_NUM_TX_RESERVED_PAGE_BUFS 1
53 RNDIS_DEV_UNINITIALIZED = 0,
54 RNDIS_DEV_INITIALIZING,
55 RNDIS_DEV_INITIALIZED,
56 RNDIS_DEV_DATAINITIALIZED,
59 typedef struct rndis_request_ {
60 STAILQ_ENTRY(rndis_request_) mylist_entry;
61 struct sema wait_sema;
64 * Fixme: We assumed a fixed size response here. If we do ever
65 * need to handle a bigger response, we can either define a max
66 * response message or add a response buffer variable above this field
68 rndis_msg response_msg;
70 /* Simplify allocation by having a netvsc packet inline */
72 hv_vmbus_page_buffer buffer;
73 /* Fixme: We assumed a fixed size request here. */
74 rndis_msg request_msg;
75 /* Fixme: Poor man's semaphore. */
76 uint32_t halt_complete_flag;
79 typedef struct rndis_device_ {
82 rndis_device_state state;
84 uint32_t new_request_id;
88 STAILQ_HEAD(RQ, rndis_request_) myrequest_list;
90 uint8_t hw_mac_addr[HW_MACADDR_LEN];
93 typedef struct rndis_filter_packet_ {
94 void *completion_context;
96 pfn_on_send_rx_completion on_completion;
99 } rndis_filter_packet;
106 extern int hv_rf_on_receive(struct hv_device *device, netvsc_packet *pkt);
107 extern int hv_rf_on_device_add(struct hv_device *device, void *additl_info);
108 extern int hv_rf_on_device_remove(struct hv_device *device,
109 boolean_t destroy_channel);
110 extern int hv_rf_on_open(struct hv_device *device);
111 extern int hv_rf_on_close(struct hv_device *device);
112 extern int hv_rf_on_send(struct hv_device *device, netvsc_packet *pkt);
115 #endif /* __HV_RNDIS_FILTER_H__ */