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71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*-
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* Copyright (c) 2020 Mellanox Technologies. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __INFINIBAND_H__
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#define __INFINIBAND_H__
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#include <sys/cdefs.h>
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#include <sys/stdint.h>
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#define INFINIBAND_ADDR_LEN 20 /* bytes */
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#define INFINIBAND_MTU 1500 /* bytes - default value */
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#define INFINIBAND_ENC_LEN 4 /* bytes */
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#define INFINIBAND_HDR_LEN \
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(INFINIBAND_ADDR_LEN + INFINIBAND_ENC_LEN)
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#define INFINIBAND_IS_MULTICAST(addr) \
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((addr)[4] == 0xff)
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struct infiniband_header {
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uint8_t ib_hwaddr[INFINIBAND_ADDR_LEN];
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uint16_t ib_protocol; /* big endian */
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uint16_t ib_reserved; /* zero */
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} __packed;
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struct infiniband_address {
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uint8_t octet[INFINIBAND_ADDR_LEN];
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} __packed;
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#ifdef _KERNEL
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#include <sys/_eventhandler.h>
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struct ifnet;
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struct mbuf;
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extern void infiniband_ifattach(struct ifnet *, const uint8_t *hwaddr, const uint8_t *bcaddr);
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extern void infiniband_ifdetach(struct ifnet *);
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extern void infiniband_bpf_mtap(struct ifnet *, struct mbuf *);
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/* new infiniband interface attached event */
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typedef void (*infiniband_ifattach_event_handler_t)(void *, struct ifnet *);
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EVENTHANDLER_DECLARE(infiniband_ifattach_event, infiniband_ifattach_event_handler_t);
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#endif
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#endif /* __INFINIBAND_H__ */
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