hw/ocrdma/ocrdma_ah.h

0001 /* This file is part of the Emulex RoCE Device Driver for
0002  * RoCE (RDMA over Converged Ethernet) adapters.
0003  * Copyright (C) 2012-2015 Emulex. All rights reserved.
0004  * EMULEX and SLI are trademarks of Emulex.
0005  * www.emulex.com
0006  *
0007  * This software is available to you under a choice of one of two licenses.
0008  * You may choose to be licensed under the terms of the GNU General Public
0009  * License (GPL) Version 2, available from the file COPYING in the main
0010  * directory of this source tree, or the BSD license below:
0011  *
0012  * Redistribution and use in source and binary forms, with or without
0013  * modification, are permitted provided that the following conditions
0014  * are met:
0015  *
0016  * - Redistributions of source code must retain the above copyright notice,
0017  *   this list of conditions and the following disclaimer.
0018  *
0019  * - Redistributions in binary form must reproduce the above copyright
0020  *   notice, this list of conditions and the following disclaimer in
0021  *   the documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
0030  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
0031  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
0032  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
0033  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0034  *
0035  * Contact Information:
0036  * linux-drivers@emulex.com
0037  *
0038  * Emulex
0039  * 3333 Susan Street
0040  * Costa Mesa, CA 92626
0041  */
0042
0043 #ifndef __OCRDMA_AH_H__
0044 #define __OCRDMA_AH_H__
0045
0046 enum {
0047     OCRDMA_AH_ID_MASK       = 0x3FF,
0048     OCRDMA_AH_VLAN_VALID_MASK   = 0x01,
0049     OCRDMA_AH_VLAN_VALID_SHIFT  = 0x1F,
0050     OCRDMA_AH_L3_TYPE_MASK      = 0x03,
0051     OCRDMA_AH_L3_TYPE_SHIFT     = 0x1D /* 29 bits */
0052 };
0053
0054 int ocrdma_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
0055              struct ib_udata *udata);
0056 int ocrdma_destroy_ah(struct ib_ah *ah, u32 flags);
0057 int ocrdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
0058
0059 int ocrdma_process_mad(struct ib_device *dev, int process_mad_flags,
0060                u32 port_num, const struct ib_wc *in_wc,
0061                const struct ib_grh *in_grh, const struct ib_mad *in,
0062                struct ib_mad *out, size_t *out_mad_size,
0063                u16 *out_mad_pkey_index);
0064 #endif              /* __OCRDMA_AH_H__ */