1219820Sjeff/*
2219820Sjeff * Copyright (c) 2006 Cisco Systems.  All rights reserved.
3219820Sjeff *
4219820Sjeff * This software is available to you under a choice of one of two
5219820Sjeff * licenses.  You may choose to be licensed under the terms of the GNU
6219820Sjeff * General Public License (GPL) Version 2, available from the file
7219820Sjeff * COPYING in the main directory of this source tree, or the
8219820Sjeff * OpenIB.org BSD license below:
9219820Sjeff *
10219820Sjeff *     Redistribution and use in source and binary forms, with or
11219820Sjeff *     without modification, are permitted provided that the following
12219820Sjeff *     conditions are met:
13219820Sjeff *
14219820Sjeff *      - Redistributions of source code must retain the above
15219820Sjeff *        copyright notice, this list of conditions and the following
16219820Sjeff *        disclaimer.
17219820Sjeff *
18219820Sjeff *      - Redistributions in binary form must reproduce the above
19219820Sjeff *        copyright notice, this list of conditions and the following
20219820Sjeff *        disclaimer in the documentation and/or other materials
21219820Sjeff *        provided with the distribution.
22219820Sjeff *
23219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30219820Sjeff * SOFTWARE.
31219820Sjeff */
32219820Sjeff
33219820Sjeff#include "pingpong.h"
34219820Sjeff#include <arpa/inet.h>
35219820Sjeff#include <stdlib.h>
36219820Sjeff#include <stdio.h>
37219820Sjeff#include <string.h>
38219820Sjeff
39219820Sjeffenum ibv_mtu pp_mtu_to_enum(int mtu)
40219820Sjeff{
41219820Sjeff	switch (mtu) {
42219820Sjeff	case 256:  return IBV_MTU_256;
43219820Sjeff	case 512:  return IBV_MTU_512;
44219820Sjeff	case 1024: return IBV_MTU_1024;
45219820Sjeff	case 2048: return IBV_MTU_2048;
46219820Sjeff	case 4096: return IBV_MTU_4096;
47219820Sjeff	default:   return -1;
48219820Sjeff	}
49219820Sjeff}
50219820Sjeff
51219820Sjeffuint16_t pp_get_local_lid(struct ibv_context *context, int port)
52219820Sjeff{
53219820Sjeff	struct ibv_port_attr attr;
54219820Sjeff
55219820Sjeff	if (ibv_query_port(context, port, &attr))
56219820Sjeff		return 0;
57219820Sjeff
58219820Sjeff	return attr.lid;
59219820Sjeff}
60219820Sjeff
61219820Sjeffint pp_get_port_info(struct ibv_context *context, int port,
62219820Sjeff		     struct ibv_port_attr *attr)
63219820Sjeff{
64219820Sjeff	return ibv_query_port(context, port, attr);
65219820Sjeff}
66219820Sjeff
67219820Sjeffvoid wire_gid_to_gid(const char *wgid, union ibv_gid *gid)
68219820Sjeff{
69219820Sjeff	char tmp[9];
70219820Sjeff	uint32_t v32;
71219820Sjeff	int i;
72219820Sjeff
73219820Sjeff	for (tmp[8] = 0, i = 0; i < 4; ++i) {
74219820Sjeff		memcpy(tmp, wgid + i * 8, 8);
75219820Sjeff		sscanf(tmp, "%x", &v32);
76219820Sjeff		*(uint32_t *)(&gid->raw[i * 4]) = ntohl(v32);
77219820Sjeff	}
78219820Sjeff}
79219820Sjeff
80219820Sjeffvoid gid_to_wire_gid(const union ibv_gid *gid, char wgid[])
81219820Sjeff{
82219820Sjeff	int i;
83219820Sjeff
84219820Sjeff	for (i = 0; i < 4; ++i)
85219820Sjeff		sprintf(&wgid[i * 8], "%08x", htonl(*(uint32_t *)(gid->raw + i * 4)));
86219820Sjeff}
87