net/batman-adv/multicast_forw.c

7 #include "multicast.h"
87  * @count: the (estimated) number of originators the multicast packet needs to
225  * this multicast packet through the translation table onto the given skb.
272  * this multicast packet through the want-all flag onto the given skb.
318  * this multicast packet through the want-all-rtr flag onto the given skb.
386  * Remove two padding bytes from the end of the multicast tracker TVLV,
405  * Inserts two padding bytes at the end of the multicast tracker TVLV,
428  * @count: the estimated number of originators the multicast packet needs to
431  *  multicast packet's tracker TVLV
434  * Adjusts the padding in the multicast packet's tracker TVLV depending on the
482  * @count: the number of originators the multicast packet needs to be sent to
486  * this multicast packet onto the given skb.
524  * batadv_mcast_forw_push_tracker() - push a multicast tracker TVLV header
529  * Pushes a multicast tracker TVLV header onto the given skb, including the
569  * batadv_mcast_forw_push_tvlvs() - push a multicast tracker TVLV onto an skb
574  * @count: the number of originators the multicast packet needs to be sent to
577  * Pushes a multicast tracker TVLV onto the given skb, including the collected
603  * batadv_mcast_forw_push_hdr() - push a multicast packet header onto an skb
607  * Pushes a batman-adv multicast packet header onto the given skb and sets
644  * multicast packet or the skb (copy) that is going to be sent to comp_neigh
647  * In preparation for the next, to be (unicast) transmitted batman-adv multicast
738  * @skb: the batman-adv multicast packet to compact destinations in
740  * Compacts the originator destination MAC addresses in the multicast tracker
741  * TVLV of the given multicast packet. This is done by moving all non-zero
743  * tail direction, within the multicast tracker TVLV.
746  * now at the end of the multicast tracker TVLV.
810  * @skb: the batman-adv multicast packet to update headers of
813  * This updates any fields of a batman-adv multicast packet that are affected
814  * by the reduced number of destinations in the multicast tracket TVLV. In
817  * The num_dest field of the multicast tracker TVLV.
819  * The batman-adv multicast packet's total TVLV length field.
822  * multicast packet header needs to start.
853 	/* update multicast packet header's tvlv length field */  in batadv_mcast_forw_shrink_update_headers()
861  * batadv_mcast_forw_shrink_move_headers() - move multicast headers by offset
862  * @skb: the batman-adv multicast packet to move headers for
865  * Moves the batman-adv multicast packet header, its multicast tracker TVLV and
887  * @skb: the batman-adv multicast packet to (potentially) shrink
890  * the given batman-adv multicast packet's tracker TVLV and updates headers
891  * accordingly to maintain a valid batman-adv multicast packet.
907  * batadv_mcast_forw_packet() - forward a batman-adv multicast packet
909  * @skb: the received or locally generated batman-adv multicast packet
912  * Parses the tracker TVLV of a batman-adv multicast packet and forwards the
915  * Caller needs to set the skb network header to the start of the multicast
917  * to the next byte after this multicast tracker TVLV.
1032  * @skb: the received batman-adv multicast packet
1034  * Parses the tracker TVLV of an incoming batman-adv multicast packet and
1037  * Caller needs to set the skb network header to the start of the multicast
1039  * to the next byte after this multicast tracker TVLV.
1054  * batadv_mcast_forw_packet_hdrlen() - multicast packet header length
1057  * Calculates the total batman-adv multicast packet header length for a given
1060  * Return: The calculated total batman-adv multicast packet header length.
1079  * @skb: the multicast packet to send
1112  * batadv_mcast_forw_push() - encapsulate skb in a batman-adv multicast packet
1114  * @skb: the multicast packet to encapsulate and send
1117  * @count: the number of originators the multicast packet needs to be sent to
1119  * Encapsulates the given multicast packet in a batman-adv multicast packet.
1120  * A multicast tracker TVLV with destination originator addresses for any node
1156  * batadv_mcast_forw_mcsend() - send a self prepared batman-adv multicast packet
1158  * @skb: the multicast packet to encapsulate and send
1160  * Transmits a batman-adv multicast packet that was locally prepared and