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net/tipc/ib_media.c
3.63 KB
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/* * net/tipc/ib_media.c: Infiniband bearer support for TIPC * * Copyright (c) 2013 Patrick McHardy <kaber@trash.net> * * Based on eth_media.c, which carries the following copyright notice: * * Copyright (c) 2001-2007, Ericsson AB * Copyright (c) 2005-2008, 2011, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the names of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <linux/if_infiniband.h> #include "core.h" #include "bearer.h" |
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/* convert InfiniBand address (media address format) media address to string */ |
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static int tipc_ib_addr2str(struct tipc_media_addr *a, char *str_buf, int str_size) |
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{ if (str_size < 60) /* 60 = 19 * strlen("xx:") + strlen("xx\0") */ return 1; |
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sprintf(str_buf, "%20phC", a->value); |
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return 0; } |
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/* Convert from media address format to discovery message addr format */ static int tipc_ib_addr2msg(char *msg, struct tipc_media_addr *addr) |
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{ |
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memset(msg, 0, TIPC_MEDIA_INFO_SIZE); |
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memcpy(msg, addr->value, INFINIBAND_ALEN); |
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return 0; } |
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/* Convert raw InfiniBand address format to media addr format */ static int tipc_ib_raw2addr(struct tipc_bearer *b, struct tipc_media_addr *addr, char *msg) |
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{ |
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memset(addr, 0, sizeof(*addr)); memcpy(addr->value, msg, INFINIBAND_ALEN); addr->media_id = TIPC_MEDIA_TYPE_IB; addr->broadcast = !memcmp(msg, b->bcast_addr.value, INFINIBAND_ALEN); |
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return 0; } |
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/* Convert discovery msg addr format to InfiniBand media addr format */ static int tipc_ib_msg2addr(struct tipc_bearer *b, struct tipc_media_addr *addr, char *msg) { return tipc_ib_raw2addr(b, addr, msg); } |
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/* InfiniBand media registration info */ |
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struct tipc_media ib_media_info = { |
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.send_msg = tipc_l2_send_msg, .enable_media = tipc_enable_l2_media, .disable_media = tipc_disable_l2_media, .addr2str = tipc_ib_addr2str, .addr2msg = tipc_ib_addr2msg, .msg2addr = tipc_ib_msg2addr, |
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.raw2addr = tipc_ib_raw2addr, |
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.priority = TIPC_DEF_LINK_PRI, .tolerance = TIPC_DEF_LINK_TOL, .window = TIPC_DEF_LINK_WIN, .type_id = TIPC_MEDIA_TYPE_IB, |
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.hwaddr_len = INFINIBAND_ALEN, |
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.name = "ib" }; |