linux/drivers/infiniband/hw/ocrdma/ocrdma_ah.h
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   1/* This file is part of the Emulex RoCE Device Driver for
   2 * RoCE (RDMA over Converged Ethernet) adapters.
   3 * Copyright (C) 2012-2015 Emulex. All rights reserved.
   4 * EMULEX and SLI are trademarks of Emulex.
   5 * www.emulex.com
   6 *
   7 * This software is available to you under a choice of one of two licenses.
   8 * You may choose to be licensed under the terms of the GNU General Public
   9 * License (GPL) Version 2, available from the file COPYING in the main
  10 * directory of this source tree, or the BSD license below:
  11 *
  12 * Redistribution and use in source and binary forms, with or without
  13 * modification, are permitted provided that the following conditions
  14 * are met:
  15 *
  16 * - Redistributions of source code must retain the above copyright notice,
  17 *   this list of conditions and the following disclaimer.
  18 *
  19 * - Redistributions in binary form must reproduce the above copyright
  20 *   notice, this list of conditions and the following disclaimer in
  21 *   the documentation and/or other materials provided with the distribution.
  22 *
  23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
  25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 *
  35 * Contact Information:
  36 * linux-drivers@emulex.com
  37 *
  38 * Emulex
  39 * 3333 Susan Street
  40 * Costa Mesa, CA 92626
  41 */
  42
  43#ifndef __OCRDMA_AH_H__
  44#define __OCRDMA_AH_H__
  45
  46enum {
  47        OCRDMA_AH_ID_MASK               = 0x3FF,
  48        OCRDMA_AH_VLAN_VALID_MASK       = 0x01,
  49        OCRDMA_AH_VLAN_VALID_SHIFT      = 0x1F,
  50        OCRDMA_AH_L3_TYPE_MASK          = 0x03,
  51        OCRDMA_AH_L3_TYPE_SHIFT         = 0x1D /* 29 bits */
  52};
  53
  54struct ib_ah *ocrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
  55                               struct ib_udata *udata);
  56int ocrdma_destroy_ah(struct ib_ah *ah);
  57int ocrdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
  58int ocrdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
  59
  60int ocrdma_process_mad(struct ib_device *,
  61                       int process_mad_flags,
  62                       u8 port_num,
  63                       const struct ib_wc *in_wc,
  64                       const struct ib_grh *in_grh,
  65                       const struct ib_mad_hdr *in, size_t in_mad_size,
  66                       struct ib_mad_hdr *out, size_t *out_mad_size,
  67                       u16 *out_mad_pkey_index);
  68#endif                          /* __OCRDMA_AH_H__ */
  69