cregit-Linux how code gets into the kernel

Release 4.11 net/tipc/ib_media.c

Directory: net/tipc
/*
 * 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"

/* convert InfiniBand address (media address format) media address to string */

static int tipc_ib_addr2str(struct tipc_media_addr *a, char *str_buf, int str_size) { if (str_size < 60) /* 60 = 19 * strlen("xx:") + strlen("xx\0") */ return 1; sprintf(str_buf, "%20phC", a->value); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Patrick McHardy4095.24%133.33%
Ying Xue12.38%133.33%
Andy Shevchenko12.38%133.33%
Total42100.00%3100.00%

/* Convert from media address format to discovery message addr format */
static int tipc_ib_addr2msg(char *msg, struct tipc_media_addr *addr) { memset(msg, 0, TIPC_MEDIA_INFO_SIZE); memcpy(msg, addr->value, INFINIBAND_ALEN); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy3078.95%125.00%
Patrick McHardy615.79%125.00%
Erik Hugne12.63%125.00%
Ying Xue12.63%125.00%
Total38100.00%4100.00%

/* 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) { 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); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy4461.97%150.00%
Patrick McHardy2738.03%150.00%
Total71100.00%2100.00%

/* 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); }

Contributors

PersonTokensPropCommitsCommitProp
Patrick McHardy2170.00%133.33%
Jon Paul Maloy826.67%133.33%
Ying Xue13.33%133.33%
Total30100.00%3100.00%

/* InfiniBand media registration info */ struct tipc_media ib_media_info = { .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, .raw2addr = tipc_ib_raw2addr, .priority = TIPC_DEF_LINK_PRI, .tolerance = TIPC_DEF_LINK_TOL, .window = TIPC_DEF_LINK_WIN, .type_id = TIPC_MEDIA_TYPE_IB, .hwaddr_len = INFINIBAND_ALEN, .name = "ib" };

Overall Contributors

PersonTokensPropCommitsCommitProp
Patrick McHardy15758.80%116.67%
Jon Paul Maloy9134.08%116.67%
Ying Xue176.37%233.33%
Andy Shevchenko10.37%116.67%
Erik Hugne10.37%116.67%
Total267100.00%6100.00%
Directory: net/tipc
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