^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * net/tipc/addr.c: TIPC address utility routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2000-2006, 2018, Ericsson AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2004-2005, 2010-2011, 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 "addr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include "core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (!domain || (domain == addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (!legacy_format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (domain == tipc_cluster_mask(addr)) /* domain <Z.C.0> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (domain == (addr & TIPC_ZONE_CLUSTER_MASK)) /* domain <Z.C.0> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (domain == (addr & TIPC_ZONE_MASK)) /* domain <Z.0.0> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) void tipc_set_node_id(struct net *net, u8 *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct tipc_net *tn = tipc_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u32 *tmp = (u32 *)id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) memcpy(tn->node_id, id, NODE_ID_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) tipc_nodeid2string(tn->node_id_string, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) tn->trial_addr = tmp[0] ^ tmp[1] ^ tmp[2] ^ tmp[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) pr_info("Own node identity %s, cluster identity %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) tipc_own_id_string(net), tn->net_id);
^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) void tipc_set_node_addr(struct net *net, u32 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct tipc_net *tn = tipc_net(net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u8 node_id[NODE_ID_LEN] = {0,};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) tn->node_addr = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (!tipc_own_id(net)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) sprintf(node_id, "%x", addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) tipc_set_node_id(net, node_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) tn->trial_addr = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) tn->addr_trial_end = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) pr_info("32-bit node address hash set to %x\n", addr);
^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) char *tipc_nodeid2string(char *str, u8 *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u8 c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* Already a string ? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) for (i = 0; i < NODE_ID_LEN; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) c = id[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (c >= '0' && c <= '9')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (c >= 'A' && c <= 'Z')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (c >= 'a' && c <= 'z')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (c == '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (c == ':')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (c == '_')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (c == '-')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (c == '@')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (c != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (i == NODE_ID_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) memcpy(str, id, NODE_ID_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) str[NODE_ID_LEN] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* Translate to hex string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) for (i = 0; i < NODE_ID_LEN; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) sprintf(&str[2 * i], "%02x", id[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* Strip off trailing zeroes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) for (i = NODE_ID_STR_LEN - 2; str[i] == '0'; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) str[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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