^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * net/tipc/bearer.h: Include file for TIPC bearer code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 1996-2006, 2013-2016, Ericsson AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 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) #ifndef _TIPC_BEARER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define _TIPC_BEARER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include "netlink.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include "core.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "msg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <net/genetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define MAX_MEDIA 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* Identifiers associated with TIPC message header media address info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * - address info field is 32 bytes long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * - the field's actual content and length is defined per media
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * - remaining unused bytes in the field are set to zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define TIPC_MEDIA_INFO_SIZE 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define TIPC_MEDIA_TYPE_OFFSET 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define TIPC_MEDIA_ADDR_OFFSET 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * Identifiers of supported TIPC media types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define TIPC_MEDIA_TYPE_ETH 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define TIPC_MEDIA_TYPE_IB 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define TIPC_MEDIA_TYPE_UDP 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* Minimum bearer MTU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define TIPC_MIN_BEARER_MTU (MAX_H_SIZE + INT_H_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* Identifiers for distinguishing between broadcast/multicast and replicast
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define TIPC_BROADCAST_SUPPORT 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define TIPC_REPLICAST_SUPPORT 2
^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) * struct tipc_media_addr - destination address used by TIPC bearers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * @value: address info (format defined by media)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * @media_id: TIPC media type identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * @broadcast: non-zero if address is a broadcast address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct tipc_media_addr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) u8 value[TIPC_MEDIA_INFO_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) u8 media_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u8 broadcast;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct tipc_bearer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * struct tipc_media - Media specific info exposed to generic bearer layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * @send_msg: routine which handles buffer transmission
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * @enable_media: routine which enables a media
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * @disable_media: routine which disables a media
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * @addr2str: convert media address format to string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * @addr2msg: convert from media addr format to discovery msg addr format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * @msg2addr: convert from discovery msg addr format to media addr format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * @raw2addr: convert from raw addr format to media addr format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * @priority: default link (and bearer) priority
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) * @tolerance: default time (in ms) before declaring link failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * @window: default window (in packets) before declaring link congestion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * @mtu: max packet size bearer can support for media type not dependent on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * underlying device MTU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * @type_id: TIPC media identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * @hwaddr_len: TIPC media address len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * @name: media name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct tipc_media {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int (*send_msg)(struct net *net, struct sk_buff *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct tipc_media_addr *dest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int (*enable_media)(struct net *net, struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct nlattr *attr[]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) void (*disable_media)(struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int (*addr2str)(struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) char *strbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int bufsz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int (*addr2msg)(char *msg, struct tipc_media_addr *addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int (*msg2addr)(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) char *msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int (*raw2addr)(struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct tipc_media_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) char *raw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) u32 priority;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 tolerance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) u32 min_win;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) u32 max_win;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) u32 mtu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) u32 type_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) u32 hwaddr_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) char name[TIPC_MAX_MEDIA_NAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * struct tipc_bearer - Generic TIPC bearer structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * @media_ptr: pointer to additional media-specific information about bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * @mtu: max packet size bearer can support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * @addr: media-specific address associated with bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * @name: bearer name (format = media:interface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * @media: ptr to media structure associated with bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * @bcast_addr: media address used in broadcasting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * @pt: packet type for bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * @rcu: rcu struct for tipc_bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @priority: default link priority for bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * @window: default window size for bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * @tolerance: default link tolerance for bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * @domain: network domain to which links can be established
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * @identity: array index of this bearer within TIPC bearer array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * @link_req: ptr to (optional) structure making periodic link setup requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * @net_plane: network plane ('A' through 'H') currently associated with bearer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * Note: media-specific code is responsible for initialization of the fields
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * indicated below when a bearer is enabled; TIPC's generic bearer code takes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * care of initializing all other fields.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct tipc_bearer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) void __rcu *media_ptr; /* initalized by media */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u32 mtu; /* initalized by media */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct tipc_media_addr addr; /* initalized by media */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) char name[TIPC_MAX_BEARER_NAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct tipc_media *media;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) struct tipc_media_addr bcast_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct packet_type pt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) u32 priority;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) u32 min_win;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) u32 max_win;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) u32 tolerance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) u32 domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u32 identity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct tipc_discoverer *disc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) char net_plane;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) unsigned long up;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) refcount_t refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct tipc_bearer_names {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) char media_name[TIPC_MAX_MEDIA_NAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) char if_name[TIPC_MAX_IF_NAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * TIPC routines available to supported media types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Routines made available to TIPC by supported media types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) extern struct tipc_media eth_media_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) #ifdef CONFIG_TIPC_MEDIA_IB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) extern struct tipc_media ib_media_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #ifdef CONFIG_TIPC_MEDIA_UDP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) extern struct tipc_media udp_media_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int __tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int tipc_nl_bearer_dump(struct sk_buff *skb, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int tipc_nl_media_dump(struct sk_buff *skb, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int tipc_media_set_priority(const char *name, u32 new_value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int tipc_media_set_window(const char *name, u32 new_value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int tipc_enable_l2_media(struct net *net, struct tipc_bearer *b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) struct nlattr *attrs[]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) bool tipc_bearer_hold(struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) void tipc_bearer_put(struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) void tipc_disable_l2_media(struct tipc_bearer *b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) int tipc_l2_send_msg(struct net *net, struct sk_buff *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct tipc_bearer *b, struct tipc_media_addr *dest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) int tipc_bearer_get_name(struct net *net, char *name, u32 bearer_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct tipc_media *tipc_media_find(const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) int tipc_bearer_setup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) void tipc_bearer_cleanup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) void tipc_bearer_stop(struct net *net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int tipc_bearer_mtu(struct net *net, u32 bearer_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) bool tipc_bearer_bcast_support(struct net *net, u32 bearer_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) void tipc_bearer_xmit_skb(struct net *net, u32 bearer_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct tipc_media_addr *dest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) void tipc_bearer_xmit(struct net *net, u32 bearer_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct sk_buff_head *xmitq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) struct tipc_media_addr *dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) struct tipc_node *__dnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) void tipc_bearer_bc_xmit(struct net *net, u32 bearer_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct sk_buff_head *xmitq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) void tipc_clone_to_loopback(struct net *net, struct sk_buff_head *pkts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int tipc_attach_loopback(struct net *net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) void tipc_detach_loopback(struct net *net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static inline void tipc_loopback_trace(struct net *net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct sk_buff_head *pkts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (unlikely(dev_nit_active(net->loopback_dev)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) tipc_clone_to_loopback(net, pkts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) /* check if device MTU is too low for tipc headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static inline bool tipc_mtu_bad(struct net_device *dev, unsigned int reserve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (dev->mtu >= TIPC_MIN_BEARER_MTU + reserve)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) netdev_warn(dev, "MTU too low for tipc bearer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #endif /* _TIPC_BEARER_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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