| /* |
| * 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 <arpa/inet.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 -1; |
| } |
| } |
| |
| uint16_t pp_get_local_lid(struct ibv_context *context, int port) |
| { |
| struct ibv_port_attr attr; |
| |
| if (ibv_query_port(context, port, &attr)) |
| return 0; |
| |
| return attr.lid; |
| } |
| |
| 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]; |
| uint32_t v32; |
| int i; |
| |
| for (tmp[8] = 0, i = 0; i < 4; ++i) { |
| memcpy(tmp, wgid + i * 8, 8); |
| sscanf(tmp, "%x", &v32); |
| *(uint32_t *)(&gid->raw[i * 4]) = ntohl(v32); |
| } |
| } |
| |
| void gid_to_wire_gid(const union ibv_gid *gid, char wgid[]) |
| { |
| int i; |
| |
| for (i = 0; i < 4; ++i) |
| sprintf(&wgid[i * 8], "%08x", |
| htonl(*(uint32_t *)(gid->raw + i * 4))); |
| } |