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2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2 
 kernel/include/uapi/linux/batadv_packet.h
....@@ -1,19 +1,7 @@
11 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
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-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
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+/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
33  *
44  * Marek Lindner, Simon Wunderlich
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of version 2 of the GNU General Public
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- * License as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
175  */
186 
197 #ifndef _UAPI_LINUX_BATADV_PACKET_H_
....@@ -84,8 +72,8 @@
8472 
8573 /**
8674  * enum batadv_iv_flags - flags used in B.A.T.M.A.N. IV OGM packets
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- * @BATADV_NOT_BEST_NEXT_HOP: flag is set when ogm packet is forwarded and was
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- *     previously received from someone else than the best neighbor.
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+ * @BATADV_NOT_BEST_NEXT_HOP: flag is set when the ogm packet is forwarded and
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+ *  was previously received from someone other than the best neighbor.
8977  * @BATADV_PRIMARIES_FIRST_HOP: flag unused.
9078  * @BATADV_DIRECTLINK: flag is for the first hop or if rebroadcasted from a
9179  *     one hop neighbor on the interface where it was originally received.
....@@ -119,12 +107,20 @@
119107  * @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for
120108  *  224.0.0.0/24 or ff02::1
121109  * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets
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+ *  (both link-local and routable ones)
122111  * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
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+ *  (both link-local and routable ones)
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+ * @BATADV_MCAST_WANT_NO_RTR4: we have no IPv4 multicast router and therefore
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+ * only need routable IPv4 multicast packets we signed up for explicitly
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+ * @BATADV_MCAST_WANT_NO_RTR6: we have no IPv6 multicast router and therefore
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+ * only need routable IPv6 multicast packets we signed up for explicitly
123117  */
124118 enum batadv_mcast_flags {
125119 	BATADV_MCAST_WANT_ALL_UNSNOOPABLES	= 1UL << 0,
126120 	BATADV_MCAST_WANT_ALL_IPV4		= 1UL << 1,
127121 	BATADV_MCAST_WANT_ALL_IPV6		= 1UL << 2,
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+	BATADV_MCAST_WANT_NO_RTR4		= 1UL << 3,
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+	BATADV_MCAST_WANT_NO_RTR6		= 1UL << 4,
128124 };
129125 
130126 /* tt data subtypes */
....@@ -199,8 +195,8 @@
199195 /**
200196  * struct batadv_ogm_packet - ogm (routing protocol) packet
201197  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
204200  * @flags: contains routing relevant flags - see enum batadv_iv_flags
205201  * @seqno: sequence identification
206202  * @orig: address of the source node
....@@ -229,7 +225,7 @@
229225  * @packet_type: batman-adv packet type, part of the general header
230226  * @version: batman-adv protocol version, part of the general header
231227  * @ttl: time to live for this packet, part of the general header
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- * @flags: reseved for routing relevant flags - currently always 0
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+ * @flags: reserved for routing relevant flags - currently always 0
233229  * @seqno: sequence number
234230  * @orig: originator mac address
235231  * @tvlv_len: length of the appended tvlv buffer (in bytes)
....@@ -251,7 +247,7 @@
251247 /**
252248  * struct batadv_elp_packet - elp (neighbor discovery) packet
253249  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
255251  * @orig: originator mac address
256252  * @seqno: sequence number
257253  * @elp_interval: currently used ELP sending interval in ms
....@@ -269,15 +265,15 @@
269265 /**
270266  * struct batadv_icmp_header - common members among all the ICMP packets
271267  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
274270  * @msg_type: ICMP packet type
275271  * @dst: address of the destination node
276272  * @orig: address of the source node
277273  * @uid: local ICMP socket identifier
278274  * @align: not used - useful for alignment purposes only
279275  *
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- * This structure is used for ICMP packets parsing only and it is never sent
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+ * This structure is used for ICMP packet parsing only and it is never sent
281277  * over the wire. The alignment field at the end is there to ensure that
282278  * members are padded the same way as they are in real packets.
283279  */
....@@ -295,8 +291,8 @@
295291 /**
296292  * struct batadv_icmp_packet - ICMP packet
297293  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
300296  * @msg_type: ICMP packet type
301297  * @dst: address of the destination node
302298  * @orig: address of the source node
....@@ -319,8 +315,8 @@
319315 /**
320316  * struct batadv_icmp_tp_packet - ICMP TP Meter packet
321317  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
324320  * @msg_type: ICMP packet type
325321  * @dst: address of the destination node
326322  * @orig: address of the source node
....@@ -362,8 +358,8 @@
362358 /**
363359  * struct batadv_icmp_packet_rr - ICMP RouteRecord packet
364360  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
367363  * @msg_type: ICMP packet type
368364  * @dst: address of the destination node
369365  * @orig: address of the source node
....@@ -401,8 +397,8 @@
401397 /**
402398  * struct batadv_unicast_packet - unicast packet for network payload
403399  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
406402  * @ttvn: translation table version number
407403  * @dest: originator destination of the unicast packet
408404  */
....@@ -437,8 +433,8 @@
437433 /**
438434  * struct batadv_frag_packet - fragmented packet
439435  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
442438  * @dest: final destination used when routing fragments
443439  * @orig: originator of the fragment used when merging the packet
444440  * @no: fragment number within this sequence
....@@ -471,8 +467,8 @@
471467 /**
472468  * struct batadv_bcast_packet - broadcast packet for network payload
473469  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
476472  * @reserved: reserved byte for alignment
477473  * @seqno: sequence identification
478474  * @orig: originator of the broadcast packet
....@@ -492,10 +488,10 @@
492488 /**
493489  * struct batadv_coded_packet - network coded packet
494490  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
497493  * @first_source: original source of first included packet
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- * @first_orig_dest: original destinal of first included packet
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+ * @first_orig_dest: original destination of first included packet
499495  * @first_crc: checksum of first included packet
500496  * @first_ttvn: tt-version number of first included packet
501497  * @second_ttl: ttl of second packet
....@@ -527,8 +523,8 @@
527523 /**
528524  * struct batadv_unicast_tvlv_packet - generic unicast packet with tvlv payload
529525  * @packet_type: batman-adv packet type, part of the general header
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- * @version: batman-adv protocol version, part of the genereal header
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- * @ttl: time to live for this packet, part of the genereal header
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+ * @version: batman-adv protocol version, part of the general header
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+ * @ttl: time to live for this packet, part of the general header
532528  * @reserved: reserved field (for packet alignment)
533529  * @src: address of the source
534530  * @dst: address of the destination