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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/ofed/include/rdma/rdma_sdp.h
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/*-

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 * SPDX-License-Identifier: BSD-2-Clause

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 *

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 * Copyright (c) 2019 Isilon Systems, LLC.

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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 THE 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 THE 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 _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_

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#define _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_

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#include <sys/cdefs.h>

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#include <netinet/in.h>

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#include <rdma/ib_cm.h>

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union cma_ip_addr {

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	struct in6_addr ip6;

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	struct {

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		__be32 pad[3];

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		__be32 addr;

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	} ip4;

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};

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struct sdp_bsdh {

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	u8 mid;

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	u8 flags;

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	__u16 bufs;

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	__u32 len;

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	__u32 mseq;

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	__u32 mseq_ack;

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} __packed;

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struct sdp_hh {

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	struct sdp_bsdh bsdh;

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	u8 majv_minv;

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	u8 ipv_cap;

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	u8 rsvd1;

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	u8 max_adverts;

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	__u32 desremrcvsz;

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	__u32 localrcvsz;

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	__u16 port;

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	__u16 rsvd2;

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	union cma_ip_addr src_addr;

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	union cma_ip_addr dst_addr;

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	u8 rsvd3[IB_CM_REQ_PRIVATE_DATA_SIZE - sizeof(struct sdp_bsdh) - 48];

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} __packed;

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struct sdp_hah {

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	struct sdp_bsdh bsdh;

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	u8 majv_minv;

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	u8 ipv_cap;

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	u8 rsvd1;

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	u8 ext_max_adverts;

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	__u32 actrcvsz;

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	u8 rsvd2[IB_CM_REP_PRIVATE_DATA_SIZE - sizeof(struct sdp_bsdh) - 8];

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} __packed;

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#endif /* _SYS_OFED_INCLUDE_RDMA_RDMA_SDP_H_ */

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