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net/tipc/addr.c
3.68 KB
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/* * net/tipc/addr.c: TIPC address utility routines |
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* |
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* Copyright (c) 2000-2006, 2018, Ericsson AB |
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* Copyright (c) 2004-2005, 2010-2011, Wind River Systems |
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* All rights reserved. * |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: * |
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* 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. |
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* |
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* 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 |
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* POSSIBILITY OF SUCH DAMAGE. */ |
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#include "addr.h" |
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#include "core.h" |
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bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr) |
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{ if (!domain || (domain == addr)) |
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return true; if (!legacy_format) return false; |
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if (domain == tipc_cluster_mask(addr)) /* domain <Z.C.0> */ |
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return true; |
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if (domain == (addr & TIPC_ZONE_CLUSTER_MASK)) /* domain <Z.C.0> */ return true; |
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if (domain == (addr & TIPC_ZONE_MASK)) /* domain <Z.0.0> */ |
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return true; return false; |
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} |
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void tipc_set_node_id(struct net *net, u8 *id) { struct tipc_net *tn = tipc_net(net); u32 *tmp = (u32 *)id; memcpy(tn->node_id, id, NODE_ID_LEN); tipc_nodeid2string(tn->node_id_string, id); |
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tn->trial_addr = tmp[0] ^ tmp[1] ^ tmp[2] ^ tmp[3]; |
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pr_info("Own node identity %s, cluster identity %u ", tipc_own_id_string(net), tn->net_id); } void tipc_set_node_addr(struct net *net, u32 addr) |
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{ |
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struct tipc_net *tn = tipc_net(net); u8 node_id[NODE_ID_LEN] = {0,}; tn->node_addr = addr; if (!tipc_own_id(net)) { sprintf(node_id, "%x", addr); tipc_set_node_id(net, node_id); } |
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tn->trial_addr = addr; |
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tn->addr_trial_end = jiffies; |
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pr_info("32-bit node address hash set to %x ", addr); } char *tipc_nodeid2string(char *str, u8 *id) { int i; u8 c; /* Already a string ? */ for (i = 0; i < NODE_ID_LEN; i++) { c = id[i]; if (c >= '0' && c <= '9') continue; if (c >= 'A' && c <= 'Z') continue; if (c >= 'a' && c <= 'z') continue; if (c == '.') continue; if (c == ':') continue; if (c == '_') continue; if (c == '-') continue; if (c == '@') continue; if (c != 0) break; } if (i == NODE_ID_LEN) { memcpy(str, id, NODE_ID_LEN); str[NODE_ID_LEN] = 0; return str; } /* Translate to hex string */ for (i = 0; i < NODE_ID_LEN; i++) sprintf(&str[2 * i], "%02x", id[i]); /* Strip off trailing zeroes */ for (i = NODE_ID_STR_LEN - 2; str[i] == '0'; i--) str[i] = 0; return str; |
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} |