2 * Copyright (c) 2016 Microsoft Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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32 #include <sys/param.h>
34 #include <dev/hyperv/include/vmbus.h>
35 #include <dev/hyperv/netvsc/if_hnreg.h>
42 typedef void (*hn_sent_callback_t)
43 (struct hn_send_ctx *, struct hn_softc *,
44 struct vmbus_channel *, const void *, int);
47 hn_sent_callback_t hn_cb;
53 struct rndis_hash_info;
54 struct rndix_hash_value;
55 struct ndis_8021q_info_;
56 struct rndis_tcp_ip_csum_info_;
58 #define HN_NDIS_VLAN_INFO_INVALID 0xffffffff
59 #define HN_NDIS_RXCSUM_INFO_INVALID 0
60 #define HN_NDIS_HASH_INFO_INVALID 0
69 #define HN_SEND_CTX_INITIALIZER(cb, cbarg) \
73 .hn_chim_idx = HN_NVS_CHIM_IDX_INVALID, \
78 hn_send_ctx_init(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
79 void *cbarg, uint32_t chim_idx, int chim_sz)
83 sndc->hn_cbarg = cbarg;
84 sndc->hn_chim_idx = chim_idx;
85 sndc->hn_chim_sz = chim_sz;
89 hn_send_ctx_init_simple(struct hn_send_ctx *sndc, hn_sent_callback_t cb,
93 hn_send_ctx_init(sndc, cb, cbarg, HN_NVS_CHIM_IDX_INVALID, 0);
97 hn_nvs_send(struct vmbus_channel *chan, uint16_t flags,
98 void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
101 return (vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, flags,
102 nvs_msg, nvs_msglen, (uint64_t)(uintptr_t)sndc));
106 hn_nvs_send_sglist(struct vmbus_channel *chan, struct vmbus_gpa sg[], int sglen,
107 void *nvs_msg, int nvs_msglen, struct hn_send_ctx *sndc)
110 return (vmbus_chan_send_sglist(chan, sg, sglen, nvs_msg, nvs_msglen,
111 (uint64_t)(uintptr_t)sndc));
115 struct rndis_packet_msg;
117 const void *hn_nvs_xact_execute(struct hn_softc *sc,
118 struct vmbus_xact *xact, void *req, int reqlen,
119 size_t *resp_len, uint32_t type);
120 void hn_nvs_sent_xact(struct hn_send_ctx *sndc, struct hn_softc *sc,
121 struct vmbus_channel *chan, const void *data, int dlen);
122 uint32_t hn_chim_alloc(struct hn_softc *sc);
123 void hn_chim_free(struct hn_softc *sc, uint32_t chim_idx);
125 void *hn_rndis_pktinfo_append(struct rndis_packet_msg *,
126 size_t pktsize, size_t pi_dlen, uint32_t pi_type);
128 int hn_rxpkt(struct hn_rx_ring *rxr, const void *data, int dlen,
129 const struct hn_recvinfo *info);
130 void hn_chan_rollup(struct hn_rx_ring *rxr, struct hn_tx_ring *txr);
132 extern struct hn_send_ctx hn_send_ctx_none;
134 #endif /* !_IF_HNVAR_H_ */