/* * net/tipc/addr.c: TIPC address utility routines * * Copyright (c) 2000-2006, Ericsson AB * Copyright (c) 2004-2005, 2010-2011, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 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. * * 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 * POSSIBILITY OF SUCH DAMAGE. */ #include #include "addr.h" #include "core.h" /** * in_own_cluster - test for cluster inclusion; <0.0.0> always matches */ int in_own_cluster(struct net *net, u32 addr) { return in_own_cluster_exact(net, addr) || !addr; } int in_own_cluster_exact(struct net *net, u32 addr) { struct tipc_net *tn = net_generic(net, tipc_net_id); return !((addr ^ tn->own_addr) >> 12); } /** * in_own_node - test for node inclusion; <0.0.0> always matches */ int in_own_node(struct net *net, u32 addr) { struct tipc_net *tn = net_generic(net, tipc_net_id); return (addr == tn->own_addr) || !addr; } /** * addr_domain - convert 2-bit scope value to equivalent message lookup domain * * Needed when address of a named message must be looked up a second time * after a network hop. */ u32 addr_domain(struct net *net, u32 sc) { struct tipc_net *tn = net_generic(net, tipc_net_id); if (likely(sc == TIPC_NODE_SCOPE)) return tn->own_addr; if (sc == TIPC_CLUSTER_SCOPE) return tipc_cluster_mask(tn->own_addr); return tipc_zone_mask(tn->own_addr); } /** * tipc_addr_domain_valid - validates a network domain address * * Accepts , , , and <0.0.0>, * where Z, C, and N are non-zero. * * Returns 1 if domain address is valid, otherwise 0 */ int tipc_addr_domain_valid(u32 addr) { u32 n = tipc_node(addr); u32 c = tipc_cluster(addr); u32 z = tipc_zone(addr); if (n && (!z || !c)) return 0; if (c && !z) return 0; return 1; } /** * tipc_addr_node_valid - validates a proposed network address for this node * * Accepts , where Z, C, and N are non-zero. * * Returns 1 if address can be used, otherwise 0 */ int tipc_addr_node_valid(u32 addr) { return tipc_addr_domain_valid(addr) && tipc_node(addr); } int tipc_in_scope(u32 domain, u32 addr) { if (!domain || (domain == addr)) return 1; if (domain == tipc_cluster_mask(addr)) /* domain */ return 1; if (domain == tipc_zone_mask(addr)) /* domain */ return 1; return 0; } /** * tipc_addr_scope - convert message lookup domain to a 2-bit scope value */ int tipc_addr_scope(u32 domain) { if (likely(!domain)) return TIPC_ZONE_SCOPE; if (tipc_node(domain)) return TIPC_NODE_SCOPE; if (tipc_cluster(domain)) return TIPC_CLUSTER_SCOPE; return TIPC_ZONE_SCOPE; } char *tipc_addr_string_fill(char *string, u32 addr) { snprintf(string, 16, "<%u.%u.%u>", tipc_zone(addr), tipc_cluster(addr), tipc_node(addr)); return string; } 010logplain -rw-r--r--alias.c1471logplain -rw-r--r--annotate.c44411logplain -rw-r--r--annotate.h5583logplain -rw-r--r--auxtrace.c47774logplain -rw-r--r--auxtrace.h22142logplain -rw-r--r--block-range.c6948logplain -rw-r--r--block-range.h1607logplain -rw-r--r--bpf-loader.c40787logplain -rw-r--r--bpf-loader.h6215logplain -rw-r--r--bpf-prologue.c11226logplain -rw-r--r--bpf-prologue.h847logplain -rw-r--r--build-id.c19054logplain -rw-r--r--build-id.h1859logplain d---------c++184logplain -rw-r--r--cache.h733logplain -rw-r--r--call-path.c2893logplain -rw-r--r--call-path.h2203logplain -rw-r--r--callchain.c29332logplain -rw-r--r--callchain.h7881logplain -rw-r--r--cgroup.c3195logplain -rw-r--r--cgroup.h359logplain -rw-r--r--cloexec.c1950logplain -rw-r--r--cloexec.h251logplain -rw-r--r--color.c4787logplain -rw-r--r--color.h1647logplain -rw-r--r--comm.c2239logplain -rw-r--r--comm.h561logplain -rw-r--r--config.c16262logplain -rw-r--r--config.h2113logplain -rw-r--r--counts.c1026logplain -rw-r--r--counts.h790logplain -rw-r--r--cpumap.c12627logplain -rw-r--r--cpumap.h1954logplain -rw-r--r--cs-etm.h2061logplain -rw-r--r--ctype.c2018logplain -rw-r--r--data-convert-bt.c36671logplain -rw-r--r--data-convert-bt.h302logplain -rw-r--r--data-convert.h141logplain -rw-r--r--data.c3459logplain -rw-r--r--data.h1369logplain -rw-r--r--db-export.c11434logplain -rw-r--r--db-export.h3816logplain -rw-r--r--debug.c4417logplain -rw-r--r--debug.h2023logplain -rw-r--r--demangle-java.c4219logplain -rw-r--r--demangle-java.h249logplain -rw-r--r--demangle-rust.c6602logplain -rw-r--r--demangle-rust.h170logplain -rw-r--r--drv_configs.c1834logplain -rw-r--r--drv_configs.h844logplain -rw-r--r--dso.c31994logplain -rw-r--r--dso.h10399logplain -rw-r--r--dwarf-aux.c33828logplain -rw-r--r--dwarf-aux.h5101logplain -rw-r--r--dwarf-regs.c1816logplain -rw-r--r--env.c1884logplain -rw-r--r--env.h1268logplain -rw-r--r--event.c36670logplain -rw-r--r--event.h15997logplain -rw-r--r--evlist.c47104logplain -rw-r--r--evlist.h12584logplain -rw-r--r--evsel.c63917logplain -rw-r--r--evsel.h13041logplain -rw-r--r--evsel_fprintf.c5831logplain -rw-r--r--find-vdso-map.c581logplain -rw-r--r--genelf.c11653logplain -rw-r--r--genelf.h1814logplain -rw-r--r--genelf_debug.c14374logplain -rwxr-xr-xgenerate-cmdlist.sh1141logplain -rw-r--r--group.h122logplain -rw-r--r--header.c73410logplain -rw-r--r--header.h4365logplain -rw-r--r--help-unknown-cmd.c3221logplain