^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * net/tipc/eth_media.c: Ethernet 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) 2001-2007, 2013-2014, Ericsson AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2005-2008, 2011-2013, Wind River Systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * modification, are permitted provided that the following conditions are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * 2. Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * notice, this list of conditions and the following disclaimer in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * documentation and/or other materials provided with the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * 3. Neither the names of the copyright holders nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * contributors may be used to endorse or promote products derived from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * GNU General Public License ("GPL") version 2 as published by the Free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * 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 34) * POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include "core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include "bearer.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) /* Convert Ethernet address (media address format) to string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int tipc_eth_addr2str(struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) char *strbuf, int bufsz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (bufsz < 18) /* 18 = strlen("aa:bb:cc:dd:ee:ff\0") */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) sprintf(strbuf, "%pM", addr->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* Convert from media address format to discovery message addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static int tipc_eth_addr2msg(char *msg, struct tipc_media_addr *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) memset(msg, 0, TIPC_MEDIA_INFO_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) msg[TIPC_MEDIA_TYPE_OFFSET] = TIPC_MEDIA_TYPE_ETH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) memcpy(msg + TIPC_MEDIA_ADDR_OFFSET, addr->value, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* Convert raw mac address format to media addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static int tipc_eth_raw2addr(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) memset(addr, 0, sizeof(*addr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ether_addr_copy(addr->value, msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) addr->media_id = TIPC_MEDIA_TYPE_ETH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) addr->broadcast = is_broadcast_ether_addr(addr->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Convert discovery msg addr format to Ethernet media addr format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static int tipc_eth_msg2addr(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Skip past preamble: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) msg += TIPC_MEDIA_ADDR_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return tipc_eth_raw2addr(b, addr, msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* Ethernet media registration info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct tipc_media eth_media_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .send_msg = tipc_l2_send_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .enable_media = tipc_enable_l2_media,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .disable_media = tipc_disable_l2_media,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .addr2str = tipc_eth_addr2str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .addr2msg = tipc_eth_addr2msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .msg2addr = tipc_eth_msg2addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .raw2addr = tipc_eth_raw2addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .priority = TIPC_DEF_LINK_PRI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .tolerance = TIPC_DEF_LINK_TOL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .min_win = TIPC_DEF_LINK_WIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .max_win = TIPC_MAX_LINK_WIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .type_id = TIPC_MEDIA_TYPE_ETH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .hwaddr_len = ETH_ALEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .name = "eth"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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