1 /* 2 * Copyright(c) 2015 Intel Corporation. 3 * 4 * This file is provided under a dual BSD/GPLv2 license. When using or 5 * redistributing this file, you may do so under either license. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of version 2 of the GNU General Public License as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * BSD LICENSE 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 24 * - Redistributions of source code must retain the above copyright 25 * notice, this list of conditions and the following disclaimer. 26 * - Redistributions in binary form must reproduce the above copyright 27 * notice, this list of conditions and the following disclaimer in 28 * the documentation and/or other materials provided with the 29 * distribution. 30 * - Neither the name of Intel Corporation nor the names of its 31 * contributors may be used to endorse or promote products derived 32 * from this software without specific prior written permission. 33 * 34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 37 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 38 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 39 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 40 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 41 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 42 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 45 * 46 */ 47 48 #include "mad.h" 49 50 /** 51 * rvt_process_mad - process an incoming MAD packet 52 * @ibdev: the infiniband device this packet came in on 53 * @mad_flags: MAD flags 54 * @port: the port number this packet came in on 55 * @in_wc: the work completion entry for this packet 56 * @in_grh: the global route header for this packet 57 * @in_mad: the incoming MAD 58 * @out_mad: any outgoing MAD reply 59 * 60 * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not 61 * interested in processing. 62 * 63 * Note that the verbs framework has already done the MAD sanity checks, 64 * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 65 * MADs. 66 * 67 * This is called by the ib_mad module. 68 */ 69 int rvt_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, 70 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 71 const struct ib_mad_hdr *in, size_t in_mad_size, 72 struct ib_mad_hdr *out, size_t *out_mad_size, 73 u16 *out_mad_pkey_index) 74 { 75 /* 76 * Drivers will need to provide a number of things. For exmaple counters 77 * will need to be maintained by the driver but shoud live in the rvt 78 * structure. More study will be needed to finalize the interface 79 * between drivers and rvt for mad packets. 80 * 81 *VT-DRIVER-API: ???? 82 * 83 */ 84 return IB_MAD_RESULT_FAILURE; 85 } 86