^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * net/tipc/ib_media.c: Infiniband bearer support for TIPC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2013 Patrick McHardy <kaber@trash.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Based on eth_media.c, which carries the following copyright notice:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (c) 2001-2007, Ericsson AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (c) 2005-2008, 2011, Wind River Systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * modification, are permitted provided that the following conditions are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * 2. Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * notice, this list of conditions and the following disclaimer in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * documentation and/or other materials provided with the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * 3. Neither the names of the copyright holders nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * contributors may be used to endorse or promote products derived from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <linux/if_infiniband.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "bearer.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define TIPC_MAX_IB_LINK_WIN 500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* convert InfiniBand address (media address format) media address to string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static int tipc_ib_addr2str(struct tipc_media_addr *a, char *str_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int str_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (str_size < 60) /* 60 = 19 * strlen("xx:") + strlen("xx\0") */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) sprintf(str_buf, "%20phC", a->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* Convert from media address format to discovery message addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static int tipc_ib_addr2msg(char *msg, struct tipc_media_addr *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) memset(msg, 0, TIPC_MEDIA_INFO_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) memcpy(msg, addr->value, INFINIBAND_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* Convert raw InfiniBand address format to media addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static int tipc_ib_raw2addr(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) memset(addr, 0, sizeof(*addr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) memcpy(addr->value, msg, INFINIBAND_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) addr->media_id = TIPC_MEDIA_TYPE_IB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) addr->broadcast = !memcmp(msg, b->bcast_addr.value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) INFINIBAND_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /* Convert discovery msg addr format to InfiniBand media addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static int tipc_ib_msg2addr(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return tipc_ib_raw2addr(b, addr, msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* InfiniBand media registration info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct tipc_media ib_media_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .send_msg = tipc_l2_send_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .enable_media = tipc_enable_l2_media,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .disable_media = tipc_disable_l2_media,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .addr2str = tipc_ib_addr2str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .addr2msg = tipc_ib_addr2msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .msg2addr = tipc_ib_msg2addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .raw2addr = tipc_ib_raw2addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .priority = TIPC_DEF_LINK_PRI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .tolerance = TIPC_DEF_LINK_TOL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .min_win = TIPC_DEF_LINK_WIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .max_win = TIPC_MAX_IB_LINK_WIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .type_id = TIPC_MEDIA_TYPE_IB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .hwaddr_len = INFINIBAND_ALEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .name = "ib"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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