drivers/infiniband/hw/ocrdma/ocrdma_ah.h

   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
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  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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  34  *
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  36  * linux-drivers@emulex.com
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  38  * Emulex
  39  * 3333 Susan Street
  40  * Costa Mesa, CA 92626
  41  */
  42
  43 #ifndef __OCRDMA_AH_H__
  44 #define __OCRDMA_AH_H__
  45
  46 enum {
  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
  54 struct ib_ah *ocrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
  55                                struct ib_udata *udata);
  56 int ocrdma_destroy_ah(struct ib_ah *ah);
  57 int ocrdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
  58 int ocrdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
  59
  60 int 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__ */