2 * Copyright (c) 2009-2012 Microsoft Corp.
3 * Copyright (c) 2010-2012 Citrix Inc.
4 * Copyright (c) 2012 NetApp Inc.
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8 * modification, are permitted provided that the following conditions
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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 * The max response size is sizeof(rndis_msg) + PAGE_SIZE.
69 * This is ugly and should be cleaned up once we busdma-fy
72 rndis_msg response_msg;
73 uint8_t buf_resp[PAGE_SIZE];
75 /* Simplify allocation by having a netvsc packet inline */
77 hv_vmbus_page_buffer buffer;
80 * The max request size is sizeof(rndis_msg) + PAGE_SIZE.
83 * This is required for the large request like RSS settings.
86 * This is ugly and should be cleaned up once we busdma-fy
89 rndis_msg request_msg;
90 uint8_t buf_req[PAGE_SIZE];
92 /* Fixme: Poor man's semaphore. */
93 uint32_t halt_complete_flag;
96 typedef struct rndis_device_ {
99 rndis_device_state state;
100 uint32_t link_status;
101 uint32_t new_request_id;
105 STAILQ_HEAD(RQ, rndis_request_) myrequest_list;
107 uint8_t hw_mac_addr[HW_MACADDR_LEN];
113 struct hv_vmbus_channel;
115 int hv_rf_on_receive(netvsc_dev *net_dev, struct hv_device *device,
116 struct hv_vmbus_channel *chan, netvsc_packet *pkt);
117 void hv_rf_receive_rollup(netvsc_dev *net_dev);
118 void hv_rf_channel_rollup(struct hv_vmbus_channel *chan);
119 int hv_rf_on_device_add(struct hv_device *device, void *additl_info, int nchan);
120 int hv_rf_on_device_remove(struct hv_device *device, boolean_t destroy_channel);
121 int hv_rf_on_open(struct hv_device *device);
122 int hv_rf_on_close(struct hv_device *device);
124 #endif /* __HV_RNDIS_FILTER_H__ */