2017-11-19 21:05:11 +07:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2019-01-01 05:59:59 +07:00
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/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
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2010-12-13 18:19:28 +07:00
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*
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* Marek Lindner, Simon Wunderlich
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*/
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#ifndef _NET_BATMAN_ADV_MAIN_H_
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#define _NET_BATMAN_ADV_MAIN_H_
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2013-10-12 21:10:03 +07:00
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#define BATADV_DRIVER_AUTHOR "Marek Lindner <mareklindner@neomailbox.ch>, " \
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2013-10-11 04:59:10 +07:00
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"Simon Wunderlich <sw@simonwunderlich.de>"
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2012-06-04 03:19:17 +07:00
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#define BATADV_DRIVER_DESC "B.A.T.M.A.N. advanced"
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#define BATADV_DRIVER_DEVICE "batman-adv"
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2010-12-13 18:19:28 +07:00
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2012-06-04 03:19:17 +07:00
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#ifndef BATADV_SOURCE_VERSION
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2019-07-06 20:07:50 +07:00
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#define BATADV_SOURCE_VERSION "2019.4"
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2011-07-05 15:42:51 +07:00
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#endif
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2010-12-13 18:19:28 +07:00
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/* B.A.T.M.A.N. parameters */
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2012-06-04 03:19:17 +07:00
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#define BATADV_TQ_MAX_VALUE 255
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2016-01-16 15:40:12 +07:00
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#define BATADV_THROUGHPUT_MAX_VALUE 0xFFFFFFFF
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2012-06-04 03:19:17 +07:00
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#define BATADV_JITTER 20
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2010-12-13 18:19:28 +07:00
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2012-05-12 07:09:43 +07:00
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/* Time To Live of broadcast messages */
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2012-06-04 03:19:17 +07:00
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#define BATADV_TTL 50
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2011-05-08 17:45:45 +07:00
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2015-11-24 01:57:22 +07:00
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/* maximum sequence number age of broadcast messages */
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#define BATADV_BCAST_MAX_AGE 64
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2011-05-08 17:45:45 +07:00
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/* purge originators after time in seconds if no valid packet comes in
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2012-06-04 03:19:17 +07:00
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* -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE
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2012-05-12 07:09:43 +07:00
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*/
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2012-06-04 03:19:17 +07:00
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#define BATADV_PURGE_TIMEOUT 200000 /* 200 seconds */
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2012-11-09 04:16:15 +07:00
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#define BATADV_TT_LOCAL_TIMEOUT 600000 /* in milliseconds */
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2012-07-02 00:07:31 +07:00
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#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in milliseconds */
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2012-07-06 04:38:29 +07:00
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#define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000 /* in milliseconds */
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2012-12-25 19:14:37 +07:00
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#define BATADV_TT_WORK_PERIOD 5000 /* 5 seconds */
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#define BATADV_ORIG_WORK_PERIOD 1000 /* 1 second */
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2016-08-07 03:23:16 +07:00
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#define BATADV_MCAST_WORK_PERIOD 500 /* 0.5 seconds */
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2015-02-18 21:19:20 +07:00
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#define BATADV_DAT_ENTRY_TIMEOUT (5 * 60000) /* 5 mins in milliseconds */
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2011-07-09 22:52:13 +07:00
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/* sliding packet range of received originator messages in sequence numbers
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2012-05-12 07:09:43 +07:00
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* (should be a multiple of our word size)
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*/
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2012-06-04 03:19:17 +07:00
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#define BATADV_TQ_LOCAL_WINDOW_SIZE 64
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2012-07-02 00:07:31 +07:00
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/* milliseconds we have to keep pending tt_req */
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2012-06-04 03:19:17 +07:00
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#define BATADV_TT_REQUEST_TIMEOUT 3000
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2011-04-27 19:27:44 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_TQ_GLOBAL_WINDOW_SIZE 5
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#define BATADV_TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
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#define BATADV_TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
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#define BATADV_TQ_TOTAL_BIDRECT_LIMIT 1
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2010-12-13 18:19:28 +07:00
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2016-01-16 15:40:10 +07:00
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/* B.A.T.M.A.N. V */
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2015-11-11 00:50:51 +07:00
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#define BATADV_THROUGHPUT_DEFAULT_VALUE 10 /* 1 Mbps */
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2015-11-11 00:51:22 +07:00
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#define BATADV_ELP_PROBES_PER_NODE 2
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#define BATADV_ELP_MIN_PROBE_SIZE 200 /* bytes */
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#define BATADV_ELP_PROBE_MAX_TX_DIFF 100 /* milliseconds */
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2016-01-16 15:40:10 +07:00
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#define BATADV_ELP_MAX_AGE 64
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2016-01-16 15:40:13 +07:00
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#define BATADV_OGM_MAX_ORIGDIFF 5
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#define BATADV_OGM_MAX_AGE 64
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2016-01-16 15:40:10 +07:00
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2012-06-04 03:19:17 +07:00
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/* number of OGMs sent with the last tt diff */
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#define BATADV_TT_OGM_APPEND_MAX 3
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2011-04-27 19:27:44 +07:00
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2012-05-12 07:09:43 +07:00
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/* Time in which a client can roam at most ROAMING_MAX_COUNT times in
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2012-07-02 00:07:31 +07:00
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* milliseconds
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2012-05-12 07:09:43 +07:00
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*/
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2012-06-04 03:19:17 +07:00
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#define BATADV_ROAMING_MAX_TIME 20000
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#define BATADV_ROAMING_MAX_COUNT 5
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2011-04-27 19:27:57 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_NO_FLAGS 0
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2011-06-09 22:13:09 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_NULL_IFINDEX 0 /* dummy ifindex used to avoid iface checks */
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2011-07-07 20:35:35 +07:00
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2013-11-16 18:03:48 +07:00
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#define BATADV_NO_MARK 0
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2013-11-14 01:14:46 +07:00
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/* default interface for multi interface operation. The default interface is
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* used for communication which originated locally (i.e. is not forwarded)
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* or where special forwarding is not desired/necessary.
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*/
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#define BATADV_IF_DEFAULT ((struct batadv_hard_iface *)NULL)
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2012-06-04 03:19:17 +07:00
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#define BATADV_NUM_WORDS BITS_TO_LONGS(BATADV_TQ_LOCAL_WINDOW_SIZE)
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2010-12-13 18:19:28 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_LOG_BUF_LEN 8192 /* has to be a power of 2 */
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2010-12-13 18:19:28 +07:00
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2013-03-10 05:14:23 +07:00
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/* number of packets to send for broadcasts on different interface types */
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#define BATADV_NUM_BCASTS_DEFAULT 1
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#define BATADV_NUM_BCASTS_WIRELESS 3
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#define BATADV_NUM_BCASTS_MAX 3
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2016-05-05 18:09:43 +07:00
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/* length of the single packet used by the TP meter */
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#define BATADV_TP_PACKET_LEN ETH_DATA_LEN
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2011-06-26 08:37:18 +07:00
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/* msecs after which an ARP_REQUEST is sent in broadcast as fallback */
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#define ARP_REQ_DELAY 250
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2011-11-23 17:35:44 +07:00
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/* numbers of originator to contact for any PUT/GET DHT operation */
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#define BATADV_DAT_CANDIDATES_NUM 3
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2014-07-15 14:41:08 +07:00
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/* BATADV_TQ_SIMILARITY_THRESHOLD - TQ points that a secondary metric can differ
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* at most from the primary one in order to be still considered acceptable
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2013-09-02 17:15:05 +07:00
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*/
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#define BATADV_TQ_SIMILARITY_THRESHOLD 50
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2011-05-08 17:45:45 +07:00
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/* should not be bigger than 512 bytes or change the size of
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2012-05-12 07:09:43 +07:00
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* forw_packet->direct_link_flags
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*/
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2012-06-04 03:19:17 +07:00
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#define BATADV_MAX_AGGREGATION_BYTES 512
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#define BATADV_MAX_AGGREGATION_MS 100
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2010-12-13 18:19:28 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_BLA_PERIOD_LENGTH 10000 /* 10 seconds */
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2015-11-09 22:20:53 +07:00
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#define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 6)
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2012-06-04 03:19:17 +07:00
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#define BATADV_BLA_CLAIM_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 10)
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2012-09-13 23:18:46 +07:00
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#define BATADV_BLA_WAIT_PERIODS 3
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2016-03-12 16:49:33 +07:00
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#define BATADV_BLA_LOOPDETECT_PERIODS 6
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#define BATADV_BLA_LOOPDETECT_TIMEOUT 3000 /* 3 seconds */
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2012-01-23 02:00:24 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_DUPLIST_SIZE 16
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#define BATADV_DUPLIST_TIMEOUT 500 /* 500 ms */
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2011-05-08 17:45:45 +07:00
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/* don't reset again within 30 seconds */
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2012-06-04 03:19:17 +07:00
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#define BATADV_RESET_PROTECTION_MS 30000
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#define BATADV_EXPECTED_SEQNO_RANGE 65536
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2010-12-13 18:19:28 +07:00
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2013-01-25 17:12:39 +07:00
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#define BATADV_NC_NODE_TIMEOUT 10000 /* Milliseconds */
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2016-05-05 18:09:43 +07:00
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/**
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* BATADV_TP_MAX_NUM - maximum number of simultaneously active tp sessions
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*/
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#define BATADV_TP_MAX_NUM 5
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2017-12-03 01:51:51 +07:00
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/**
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* enum batadv_mesh_state - State of a soft interface
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*/
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2012-06-04 03:19:22 +07:00
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enum batadv_mesh_state {
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2017-12-03 01:51:51 +07:00
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/** @BATADV_MESH_INACTIVE: soft interface is not yet running */
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2012-06-04 03:19:22 +07:00
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BATADV_MESH_INACTIVE,
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2017-12-03 01:51:51 +07:00
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/** @BATADV_MESH_ACTIVE: interface is up and running */
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2012-06-04 03:19:22 +07:00
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BATADV_MESH_ACTIVE,
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2017-12-03 01:51:51 +07:00
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/** @BATADV_MESH_DEACTIVATING: interface is getting shut down */
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2012-06-04 03:19:22 +07:00
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BATADV_MESH_DEACTIVATING,
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2011-06-04 16:26:00 +07:00
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};
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2010-12-13 18:19:28 +07:00
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2012-06-04 03:19:17 +07:00
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#define BATADV_BCAST_QUEUE_LEN 256
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#define BATADV_BATMAN_QUEUE_LEN 256
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2010-12-13 18:19:28 +07:00
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2017-12-03 01:51:51 +07:00
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/**
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* enum batadv_uev_action - action type of uevent
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*/
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2012-06-04 03:19:22 +07:00
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enum batadv_uev_action {
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2017-12-03 01:51:51 +07:00
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/** @BATADV_UEV_ADD: gateway was selected (after none was selected) */
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2012-06-04 03:19:22 +07:00
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BATADV_UEV_ADD = 0,
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2017-12-03 01:51:51 +07:00
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/**
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* @BATADV_UEV_DEL: selected gateway was removed and none is selected
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* anymore
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*/
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2012-06-04 03:19:22 +07:00
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BATADV_UEV_DEL,
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2017-12-03 01:51:51 +07:00
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/**
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* @BATADV_UEV_CHANGE: a different gateway was selected as based gateway
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*/
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2012-06-04 03:19:22 +07:00
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BATADV_UEV_CHANGE,
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2017-12-03 01:51:51 +07:00
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/**
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* @BATADV_UEV_LOOPDETECT: loop was detected which cannot be handled by
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* bridge loop avoidance
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*/
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2016-03-12 16:49:33 +07:00
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BATADV_UEV_LOOPDETECT,
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2011-04-26 23:26:01 +07:00
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};
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2017-12-03 01:51:51 +07:00
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/**
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* enum batadv_uev_type - Type of uevent
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*/
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2012-06-04 03:19:22 +07:00
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enum batadv_uev_type {
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2017-12-03 01:51:51 +07:00
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/** @BATADV_UEV_GW: selected gateway was modified */
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2012-06-04 03:19:22 +07:00
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BATADV_UEV_GW = 0,
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2017-12-03 01:51:51 +07:00
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/** @BATADV_UEV_BLA: bridge loop avoidance event */
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2016-03-12 16:49:33 +07:00
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BATADV_UEV_BLA,
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2011-04-26 23:26:01 +07:00
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};
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2012-06-04 03:19:17 +07:00
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#define BATADV_GW_THRESHOLD 50
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2011-04-27 02:31:45 +07:00
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2013-05-23 21:53:02 +07:00
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/* Number of fragment chains for each orig_node */
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#define BATADV_FRAG_BUFFER_COUNT 8
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/* Maximum number of fragments for one packet */
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#define BATADV_FRAG_MAX_FRAGMENTS 16
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/* Maxumim size of each fragment */
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2017-02-22 23:25:41 +07:00
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#define BATADV_FRAG_MAX_FRAG_SIZE 1280
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2013-05-23 21:53:02 +07:00
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/* Time to keep fragments while waiting for rest of the fragments */
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#define BATADV_FRAG_TIMEOUT 10000
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2011-11-23 17:35:44 +07:00
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#define BATADV_DAT_CANDIDATE_NOT_FOUND 0
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#define BATADV_DAT_CANDIDATE_ORIG 1
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2012-03-07 15:07:46 +07:00
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/* Debug Messages */
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2010-12-13 18:19:28 +07:00
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#ifdef pr_fmt
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#undef pr_fmt
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#endif
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2011-05-08 17:45:45 +07:00
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/* Append 'batman-adv: ' before kernel messages */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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2010-12-13 18:19:28 +07:00
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2012-03-07 15:07:46 +07:00
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/* Kernel headers */
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2010-12-13 18:19:28 +07:00
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2019-05-24 21:51:29 +07:00
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#include <linux/atomic.h>
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2015-04-18 00:40:28 +07:00
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#include <linux/compiler.h>
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#include <linux/etherdevice.h>
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2016-05-15 16:07:42 +07:00
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#include <linux/if_vlan.h>
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#include <linux/jiffies.h>
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2019-05-25 01:11:17 +07:00
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#include <linux/netdevice.h>
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2016-05-15 16:07:42 +07:00
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#include <linux/percpu.h>
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2019-05-25 01:11:17 +07:00
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#include <linux/seq_file.h>
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#include <linux/skbuff.h>
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2015-04-18 00:40:28 +07:00
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#include <linux/types.h>
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2017-12-21 16:17:41 +07:00
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#include <uapi/linux/batadv_packet.h>
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2013-06-04 17:11:41 +07:00
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2010-12-13 18:19:28 +07:00
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#include "types.h"
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2019-05-25 01:11:17 +07:00
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#include "main.h"
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2015-04-18 00:40:28 +07:00
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2017-02-22 23:16:42 +07:00
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/**
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2017-12-03 01:51:47 +07:00
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* batadv_print_vid() - return printable version of vid information
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2017-02-22 23:16:42 +07:00
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* @vid: the VLAN identifier
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*
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* Return: -1 when no VLAN is used, VLAN id otherwise
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*/
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static inline int batadv_print_vid(unsigned short vid)
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{
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if (vid & BATADV_VLAN_HAS_TAG)
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return (int)(vid & VLAN_VID_MASK);
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else
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return -1;
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}
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2013-04-19 23:07:00 +07:00
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2012-05-12 07:09:42 +07:00
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extern struct list_head batadv_hardif_list;
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2018-10-31 04:01:24 +07:00
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extern unsigned int batadv_hardif_generation;
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2012-05-12 07:09:42 +07:00
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extern unsigned char batadv_broadcast_addr[];
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extern struct workqueue_struct *batadv_event_workqueue;
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int batadv_mesh_init(struct net_device *soft_iface);
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void batadv_mesh_free(struct net_device *soft_iface);
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2015-05-26 23:34:26 +07:00
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bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr);
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2012-08-03 22:15:46 +07:00
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struct batadv_hard_iface *
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batadv_seq_print_text_primary_if_get(struct seq_file *seq);
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2013-05-08 12:31:59 +07:00
|
|
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int batadv_max_header_len(void);
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2013-07-29 22:56:44 +07:00
|
|
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void batadv_skb_set_priority(struct sk_buff *skb, int offset);
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2012-05-12 07:09:42 +07:00
|
|
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int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
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|
|
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struct packet_type *ptype,
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|
|
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struct net_device *orig_dev);
|
2012-06-06 03:31:31 +07:00
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int
|
2015-05-26 23:34:26 +07:00
|
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batadv_recv_handler_register(u8 packet_type,
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2012-06-06 03:31:31 +07:00
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int (*recv_handler)(struct sk_buff *,
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|
|
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struct batadv_hard_iface *));
|
2015-05-26 23:34:26 +07:00
|
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void batadv_recv_handler_unregister(u8 packet_type);
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2012-10-18 02:10:39 +07:00
|
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__be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr);
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2010-12-13 18:19:28 +07:00
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|
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2015-09-16 00:00:48 +07:00
|
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/**
|
2017-12-03 01:51:47 +07:00
|
|
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* batadv_compare_eth() - Compare two not u16 aligned Ethernet addresses
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2015-10-31 18:29:29 +07:00
|
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* @data1: Pointer to a six-byte array containing the Ethernet address
|
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|
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* @data2: Pointer other six-byte array containing the Ethernet address
|
2011-02-18 19:28:08 +07:00
|
|
|
*
|
2013-09-02 05:45:08 +07:00
|
|
|
* note: can't use ether_addr_equal() as it requires aligned memory
|
2015-09-16 00:00:48 +07:00
|
|
|
*
|
2016-02-23 03:02:39 +07:00
|
|
|
* Return: true if they are the same ethernet addr
|
2011-02-18 19:28:08 +07:00
|
|
|
*/
|
2014-12-26 18:41:39 +07:00
|
|
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static inline bool batadv_compare_eth(const void *data1, const void *data2)
|
2011-02-18 19:28:08 +07:00
|
|
|
{
|
2013-12-07 05:39:46 +07:00
|
|
|
return ether_addr_equal_unaligned(data1, data2);
|
2011-02-18 19:28:08 +07:00
|
|
|
}
|
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|
|
|
2012-07-10 17:55:09 +07:00
|
|
|
/**
|
2017-12-03 01:51:47 +07:00
|
|
|
* batadv_has_timed_out() - compares current time (jiffies) and timestamp +
|
2016-03-11 22:36:19 +07:00
|
|
|
* timeout
|
2011-12-08 19:32:41 +07:00
|
|
|
* @timestamp: base value to compare with (in jiffies)
|
|
|
|
* @timeout: added to base value before comparing (in milliseconds)
|
|
|
|
*
|
2015-09-16 00:00:48 +07:00
|
|
|
* Return: true if current time is after timestamp + timeout
|
2011-12-08 19:32:41 +07:00
|
|
|
*/
|
2012-05-12 18:48:58 +07:00
|
|
|
static inline bool batadv_has_timed_out(unsigned long timestamp,
|
|
|
|
unsigned int timeout)
|
2011-12-08 19:32:41 +07:00
|
|
|
{
|
|
|
|
return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout));
|
|
|
|
}
|
2011-05-15 04:14:50 +07:00
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* batadv_atomic_dec_not_zero() - Decrease unless the number is 0
|
|
|
|
* @v: pointer of type atomic_t
|
|
|
|
*
|
|
|
|
* Return: non-zero if v was not 0, and zero otherwise.
|
|
|
|
*/
|
2012-05-17 01:23:22 +07:00
|
|
|
#define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
|
2011-04-20 14:52:56 +07:00
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* batadv_smallest_signed_int() - Returns the smallest signed integer in two's
|
|
|
|
* complement with the sizeof x
|
|
|
|
* @x: type of integer
|
|
|
|
*
|
|
|
|
* Return: smallest signed integer of type
|
|
|
|
*/
|
2012-05-17 01:23:22 +07:00
|
|
|
#define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
|
2011-05-18 14:20:50 +07:00
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* batadv_seq_before() - Checks if a sequence number x is a predecessor of y
|
|
|
|
* @x: potential predecessor of @y
|
|
|
|
* @y: value to compare @x against
|
|
|
|
*
|
|
|
|
* It handles overflows/underflows and can correctly check for a predecessor
|
|
|
|
* unless the variable sequence number has grown by more then
|
|
|
|
* 2**(bitwidth(x)-1)-1.
|
|
|
|
*
|
2015-05-26 23:34:26 +07:00
|
|
|
* This means that for a u8 with the maximum value 255, it would think:
|
2017-12-03 01:51:52 +07:00
|
|
|
*
|
|
|
|
* * when adding nothing - it is neither a predecessor nor a successor
|
|
|
|
* * before adding more than 127 to the starting value - it is a predecessor,
|
|
|
|
* * when adding 128 - it is neither a predecessor nor a successor,
|
|
|
|
* * after adding more than 127 to the starting value - it is a successor
|
|
|
|
*
|
|
|
|
* Return: true when x is a predecessor of y, false otherwise
|
2012-05-12 07:09:43 +07:00
|
|
|
*/
|
2018-01-05 15:54:32 +07:00
|
|
|
#define batadv_seq_before(x, y) ({ \
|
|
|
|
typeof(x)_d1 = (x); \
|
|
|
|
typeof(y)_d2 = (y); \
|
|
|
|
typeof(x)_dummy = (_d1 - _d2); \
|
|
|
|
(void)(&_d1 == &_d2); \
|
|
|
|
_dummy > batadv_smallest_signed_int(_dummy); \
|
|
|
|
})
|
2017-12-03 01:51:52 +07:00
|
|
|
|
|
|
|
/**
|
|
|
|
* batadv_seq_after() - Checks if a sequence number x is a successor of y
|
|
|
|
* @x: potential sucessor of @y
|
|
|
|
* @y: value to compare @x against
|
|
|
|
*
|
|
|
|
* It handles overflows/underflows and can correctly check for a successor
|
|
|
|
* unless the variable sequence number has grown by more then
|
|
|
|
* 2**(bitwidth(x)-1)-1.
|
|
|
|
*
|
|
|
|
* This means that for a u8 with the maximum value 255, it would think:
|
|
|
|
*
|
|
|
|
* * when adding nothing - it is neither a predecessor nor a successor
|
|
|
|
* * before adding more than 127 to the starting value - it is a predecessor,
|
|
|
|
* * when adding 128 - it is neither a predecessor nor a successor,
|
|
|
|
* * after adding more than 127 to the starting value - it is a successor
|
|
|
|
*
|
|
|
|
* Return: true when x is a successor of y, false otherwise
|
|
|
|
*/
|
2012-05-17 01:23:22 +07:00
|
|
|
#define batadv_seq_after(x, y) batadv_seq_before(y, x)
|
2011-05-18 14:20:50 +07:00
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* batadv_add_counter() - Add to per cpu statistics counter of soft interface
|
|
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
|
|
* @idx: counter index which should be modified
|
|
|
|
* @count: value to increase counter by
|
|
|
|
*
|
|
|
|
* Stop preemption on local cpu while incrementing the counter
|
|
|
|
*/
|
2012-06-06 03:31:31 +07:00
|
|
|
static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,
|
2012-04-20 22:02:45 +07:00
|
|
|
size_t count)
|
|
|
|
{
|
2012-11-13 08:53:26 +07:00
|
|
|
this_cpu_add(bat_priv->bat_counters[idx], count);
|
2012-04-20 22:02:45 +07:00
|
|
|
}
|
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* batadv_inc_counter() - Increase per cpu statistics counter of soft interface
|
|
|
|
* @b: the bat priv with all the soft interface information
|
|
|
|
* @i: counter index which should be modified
|
|
|
|
*/
|
2012-04-20 22:02:45 +07:00
|
|
|
#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
|
|
|
|
|
2017-12-03 01:51:52 +07:00
|
|
|
/**
|
|
|
|
* BATADV_SKB_CB() - Get batadv_skb_cb from skb control buffer
|
|
|
|
* @__skb: skb holding the control buffer
|
|
|
|
*
|
|
|
|
* The members of the control buffer are defined in struct batadv_skb_cb in
|
|
|
|
* types.h. The macro is inspired by the similar macro TCP_SKB_CB() in tcp.h.
|
|
|
|
*
|
|
|
|
* Return: pointer to the batadv_skb_cb of the skb
|
2013-01-25 17:12:41 +07:00
|
|
|
*/
|
|
|
|
#define BATADV_SKB_CB(__skb) ((struct batadv_skb_cb *)&((__skb)->cb[0]))
|
|
|
|
|
2013-06-04 17:11:39 +07:00
|
|
|
unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len);
|
2013-11-16 18:03:51 +07:00
|
|
|
bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid);
|
2019-03-04 00:02:57 +07:00
|
|
|
int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
|
|
|
|
enum batadv_uev_action action, const char *data);
|
2013-04-23 20:39:57 +07:00
|
|
|
|
2010-12-13 18:19:28 +07:00
|
|
|
#endif /* _NET_BATMAN_ADV_MAIN_H_ */
|