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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136/* * net/tipc/addr.h: Include file for TIPC address utility routines * * Copyright (c) 2000-2006, 2018, Ericsson AB * Copyright (c) 2004-2005, Wind River Systems * Copyright (c) 2020-2021, Red Hat Inc * 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. */
#ifndef _TIPC_ADDR_H#define _TIPC_ADDR_H
#include <linux/types.h>#include <linux/tipc.h>#include <net/net_namespace.h>#include <net/netns/generic.h>#include "core.h"
/* Struct tipc_uaddr: internal version of struct sockaddr_tipc. * Must be kept aligned both regarding field positions and size. */struct tipc_uaddr { unsigned short family; unsigned char addrtype; signed char scope; union { struct { struct tipc_service_addr sa; u32 lookup_node; }; struct tipc_service_range sr; struct tipc_socket_addr sk; };};
static inline void tipc_uaddr(struct tipc_uaddr *ua, u32 atype, u32 scope, u32 type, u32 lower, u32 upper){ ua->family = AF_TIPC; ua->addrtype = atype; ua->scope = scope; ua->sr.type = type; ua->sr.lower = lower; ua->sr.upper = upper;}
static inline bool tipc_uaddr_valid(struct tipc_uaddr *ua, int len){ u32 atype;
if (len < sizeof(struct sockaddr_tipc)) return false; atype = ua->addrtype; if (ua->family != AF_TIPC) return false; if (atype == TIPC_SERVICE_ADDR || atype == TIPC_SOCKET_ADDR) return true; if (atype == TIPC_SERVICE_RANGE) return ua->sr.upper >= ua->sr.lower; return false;}
static inline u32 tipc_own_addr(struct net *net){ return tipc_net(net)->node_addr;}
static inline u8 *tipc_own_id(struct net *net){ struct tipc_net *tn = tipc_net(net);
if (!strlen(tn->node_id_string)) return NULL; return tn->node_id;}
static inline char *tipc_own_id_string(struct net *net){ return tipc_net(net)->node_id_string;}
static inline u32 tipc_cluster_mask(u32 addr){ return addr & TIPC_ZONE_CLUSTER_MASK;}
static inline int tipc_node2scope(u32 node){ return node ? TIPC_NODE_SCOPE : TIPC_CLUSTER_SCOPE;}
static inline int tipc_scope2node(struct net *net, int sc){ return sc != TIPC_NODE_SCOPE ? 0 : tipc_own_addr(net);}
static inline int in_own_node(struct net *net, u32 addr){ return addr == tipc_own_addr(net) || !addr;}
bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr);void tipc_set_node_id(struct net *net, u8 *id);void tipc_set_node_addr(struct net *net, u32 addr);int tipc_nodeid2string(char *str, u8 *id);
#endif