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
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef __HV_RNDIS_FILTER_H__
32 #define __HV_RNDIS_FILTER_H__
39 /* Destroy or preserve channel on filter/netvsc teardown */
40 #define HV_RF_NV_DESTROY_CHANNEL TRUE
41 #define HV_RF_NV_RETAIN_CHANNEL FALSE
44 * Number of page buffers to reserve for the RNDIS filter packet in the
45 * transmitted message.
47 #define HV_RF_NUM_TX_RESERVED_PAGE_BUFS 1
55 RNDIS_DEV_UNINITIALIZED = 0,
56 RNDIS_DEV_INITIALIZING,
57 RNDIS_DEV_INITIALIZED,
58 RNDIS_DEV_DATAINITIALIZED,
61 typedef struct rndis_request_ {
62 STAILQ_ENTRY(rndis_request_) mylist_entry;
63 struct sema wait_sema;
66 * Fixme: We assumed a fixed size response here. If we do ever
67 * need to handle a bigger response, we can either define a max
68 * response message or add a response buffer variable above this field
70 rndis_msg response_msg;
72 /* Simplify allocation by having a netvsc packet inline */
74 hv_vmbus_page_buffer buffer;
75 /* Fixme: We assumed a fixed size request here. */
76 rndis_msg request_msg;
77 /* Fixme: Poor man's semaphore. */
78 uint32_t halt_complete_flag;
81 typedef struct rndis_device_ {
84 rndis_device_state state;
86 uint32_t new_request_id;
90 STAILQ_HEAD(RQ, rndis_request_) myrequest_list;
92 uint8_t hw_mac_addr[HW_MACADDR_LEN];
99 int hv_rf_on_receive(netvsc_dev *net_dev,
100 struct hv_device *device, netvsc_packet *pkt);
101 int hv_rf_on_device_add(struct hv_device *device, void *additl_info);
102 int hv_rf_on_device_remove(struct hv_device *device, boolean_t destroy_channel);
103 int hv_rf_on_open(struct hv_device *device);
104 int hv_rf_on_close(struct hv_device *device);
106 #endif /* __HV_RNDIS_FILTER_H__ */