freebsd-dev/contrib/ofed/libibverbs/examples/pingpong.c
Hans Petter Selasky d6b92ffa99 OFED user-space import and update for use with Linux-4.9 compatible RDMA
kernel APIs.

List of sources used:

1) rdma-core was cloned from "https://github.com/linux-rdma/rdma-core.git"
Top commit d65138ef93af30b3ea249f3a84aa6a24ba7f8a75

2) OpenSM was cloned from git://git.openfabrics.org/~halr/opensm.git
Top commit 85f841cf209f791c89a075048a907020e924528d

3) libibmad was cloned from "git://git.openfabrics.org/~iraweiny/libibmad.git"
Tag 1.3.13 with some additional patches from Mellanox.

4) infiniband-diags was cloned from "git://git.openfabrics.org/~iraweiny/infiniband-diags.git"
Tag 1.6.7 with some additional patches from Mellanox.

Added the required Makefiles for building and installing.

Sponsored by:	Mellanox Technologies
2017-08-02 16:00:30 +00:00

81 lines
2.4 KiB
C

/*
* Copyright (c) 2006 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "pingpong.h"
#include <infiniband/endian.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
enum ibv_mtu pp_mtu_to_enum(int mtu)
{
switch (mtu) {
case 256: return IBV_MTU_256;
case 512: return IBV_MTU_512;
case 1024: return IBV_MTU_1024;
case 2048: return IBV_MTU_2048;
case 4096: return IBV_MTU_4096;
default: return 0;
}
}
int pp_get_port_info(struct ibv_context *context, int port,
struct ibv_port_attr *attr)
{
return ibv_query_port(context, port, attr);
}
void wire_gid_to_gid(const char *wgid, union ibv_gid *gid)
{
char tmp[9];
__be32 v32;
int i;
uint32_t tmp_gid[4];
for (tmp[8] = 0, i = 0; i < 4; ++i) {
memcpy(tmp, wgid + i * 8, 8);
sscanf(tmp, "%x", &v32);
tmp_gid[i] = be32toh(v32);
}
memcpy(gid, tmp_gid, sizeof(*gid));
}
void gid_to_wire_gid(const union ibv_gid *gid, char wgid[])
{
uint32_t tmp_gid[4];
int i;
memcpy(tmp_gid, gid, sizeof(tmp_gid));
for (i = 0; i < 4; ++i)
sprintf(&wgid[i * 8], "%08x", htobe32(tmp_gid[i]));
}