2 * net/tipc/ib_media.c: Infiniband bearer support for TIPC
4 * Copyright (c) 2013 Patrick McHardy <kaber@trash.net>
6 * Based on eth_media.c, which carries the following copyright notice:
8 * Copyright (c) 2001-2007, Ericsson AB
9 * Copyright (c) 2005-2008, 2011, Wind River Systems
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the names of the copyright holders nor the names of its
21 * contributors may be used to endorse or promote products derived from
22 * this software without specific prior written permission.
24 * Alternatively, this software may be distributed under the terms of the
25 * GNU General Public License ("GPL") version 2 as published by the Free
26 * Software Foundation.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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41 #include <linux/if_infiniband.h>
45 /* convert InfiniBand address to string */
46 static int tipc_ib_addr2str(struct tipc_media_addr *a, char *str_buf,
49 if (str_size < 60) /* 60 = 19 * strlen("xx:") + strlen("xx\0") */
52 sprintf(str_buf, "%20phC", a->value);
57 /* convert InfiniBand address format to message header format */
58 static int tipc_ib_addr2msg(struct tipc_media_addr *a, char *msg_area)
60 memset(msg_area, 0, TIPC_MEDIA_ADDR_SIZE);
61 msg_area[TIPC_MEDIA_TYPE_OFFSET] = TIPC_MEDIA_TYPE_IB;
62 memcpy(msg_area, a->value, INFINIBAND_ALEN);
66 /* convert message header address format to InfiniBand format */
67 static int tipc_ib_msg2addr(const struct tipc_bearer *tb_ptr,
68 struct tipc_media_addr *a, char *msg_area)
70 tipc_l2_media_addr_set(tb_ptr, a, msg_area);
74 /* InfiniBand media registration info */
75 struct tipc_media ib_media_info = {
76 .send_msg = tipc_l2_send_msg,
77 .enable_media = tipc_enable_l2_media,
78 .disable_media = tipc_disable_l2_media,
79 .addr2str = tipc_ib_addr2str,
80 .addr2msg = tipc_ib_addr2msg,
81 .msg2addr = tipc_ib_msg2addr,
82 .priority = TIPC_DEF_LINK_PRI,
83 .tolerance = TIPC_DEF_LINK_TOL,
84 .window = TIPC_DEF_LINK_WIN,
85 .type_id = TIPC_MEDIA_TYPE_IB,
86 .hwaddr_len = INFINIBAND_ALEN,