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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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834d16d66e
This patch adds support to create RoCE-v2 compatible AH. It uses ahid field to tell network-header-type to user space library. The library has to decode network-header-type from ahid field. Signed-off-by: Somnath Kotur <somnath.kotur@avagotech.com> Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
67 lines
2.7 KiB
C
67 lines
2.7 KiB
C
/* This file is part of the Emulex RoCE Device Driver for
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* RoCE (RDMA over Converged Ethernet) adapters.
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* Copyright (C) 2012-2015 Emulex. All rights reserved.
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* EMULEX and SLI are trademarks of Emulex.
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* www.emulex.com
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*
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* This software is available to you under a choice of one of two licenses.
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* You may choose to be licensed under the terms of the GNU General Public
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* License (GPL) Version 2, available from the file COPYING in the main
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* directory of this source tree, or the BSD license below:
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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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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*/
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#ifndef __OCRDMA_AH_H__
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#define __OCRDMA_AH_H__
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enum {
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OCRDMA_AH_ID_MASK = 0x3FF,
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OCRDMA_AH_VLAN_VALID_MASK = 0x01,
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OCRDMA_AH_VLAN_VALID_SHIFT = 0x1F,
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OCRDMA_AH_L3_TYPE_MASK = 0x03,
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OCRDMA_AH_L3_TYPE_SHIFT = 0x1D /* 29 bits */
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};
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struct ib_ah *ocrdma_create_ah(struct ib_pd *, struct ib_ah_attr *);
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int ocrdma_destroy_ah(struct ib_ah *);
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int ocrdma_query_ah(struct ib_ah *, struct ib_ah_attr *);
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int ocrdma_modify_ah(struct ib_ah *, struct ib_ah_attr *);
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int ocrdma_process_mad(struct ib_device *,
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int process_mad_flags,
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u8 port_num,
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const struct ib_wc *in_wc,
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const struct ib_grh *in_grh,
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const struct ib_mad_hdr *in, size_t in_mad_size,
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struct ib_mad_hdr *out, size_t *out_mad_size,
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u16 *out_mad_pkey_index);
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#endif /* __OCRDMA_AH_H__ */
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