net/batman-adv/send.c

44  * batadv_send_skb_packet() - send an already prepared packet
45  * @skb: the packet to send
46  * @hard_iface: the interface to use to send the broadcast packet
49  * Send out an already prepared packet to the given neighbor or broadcast it
52  * If neigh_node is NULL, then the packet is broadcasted using hard_iface,
75 		pr_warn("Interface %s is not up - can't send packet via that interface!\n",  in batadv_send_skb_packet()
108  * batadv_send_broadcast_skb() - Send broadcast packet via hard interface
109  * @skb: packet to be transmitted (with batadv header and no outer eth header)
125  * batadv_send_unicast_skb() - Send unicast packet to neighbor
126  * @skb: packet to be transmitted (with batadv header and no outer eth header)
157  * @skb: Packet to be transmitted.
158  * @orig_node: Final destination of the packet.
159  * @recv_if: Interface used when receiving the packet (can be NULL).
162  * skb on for preparation of MAC header. If the packet originated from this
168  * lower routine if the packet has been passed down.
190 		/* Fragment and send packet. */  in batadv_send_skb_to_orig()
232 	/* batman packet type: unicast */  in batadv_send_skb_push_fill_unicast()
265  * @packet_subtype: the unicast 4addr packet subtype to use
306  * @packet_type: the batman unicast packet type to use
307  * @packet_subtype: the unicast 4addr packet subtype (only relevant for unicast
309  * @orig_node: the originator to send the packet to
344 		 * should never be invoked with any other packet type  in batadv_send_skb_unicast()
356 	 * for this client. The destination will receive this packet and will  in batadv_send_skb_unicast()
376  * @packet_type: the batman unicast packet type to use
377  * @packet_subtype: the unicast 4addr packet subtype (only relevant for unicast
403 	/* if we got an hint! let's send the packet to this client (if any) */  in batadv_send_skb_via_tt_generic()
445  * batadv_forw_packet_free() - free a forwarding packet
446  * @forw_packet: The packet to free
447  * @dropped: whether the packet is freed because is dropped
449  * This frees a forwarding packet and releases any resources it might
468  * batadv_forw_packet_alloc() - allocate a forwarding packet
473  * @skb: The raw packet this forwarding packet shall contain
475  * Allocates a forwarding packet and tries to get a reference to the
479  * Return: An allocated forwarding packet on success, NULL otherwise.
534  * batadv_forw_packet_was_stolen() - check whether someone stole this packet
535  * @forw_packet: the forwarding packet to check
537  * This function checks whether the given forwarding packet was claimed by
550  * @forw_packet: the forwarding packet to steal
582  * @cleanup_list: a backup pointer, to be able to dispose the packet later
619  * This function cancels the scheduling of any packet in the provided list,
620  * waits for any possibly running packet forwarding thread to finish and
621  * finally, safely frees this forward packet.
640  * batadv_forw_packet_queue() - try to queue a forwarding packet
641  * @forw_packet: the forwarding packet to queue
644  * @send_time: timestamp (jiffies) when the packet is to be sent
646  * This function tries to (re)queue a forwarding packet. Requeuing
649  * packet earlier).
684  * batadv_forw_packet_bcast_queue() - try to queue a broadcast packet
686  * @forw_packet: the forwarding packet to queue
687  * @send_time: timestamp (jiffies) when the packet is to be sent
689  * This function tries to (re)queue a broadcast packet.
703  * batadv_forw_packet_ogmv1_queue() - try to queue an OGMv1 packet
705  * @forw_packet: the forwarding packet to queue
706  * @send_time: timestamp (jiffies) when the packet is to be sent
708  * This function tries to (re)queue an OGMv1 packet.
721  * batadv_forw_bcast_packet_to_list() - queue broadcast packet for transmissions
723  * @skb: broadcast packet to add
725  * @own_packet: true if it is a self-generated broadcast packet
726  * @if_in: the interface where the packet was received on
729  * Adds a broadcast packet to the queue and sets up timers. Broadcast packets
776  * batadv_forw_bcast_packet_if() - forward and queue a broadcast packet
778  * @skb: broadcast packet to add
780  * @own_packet: true if it is a self-generated broadcast packet
781  * @if_in: the interface where the packet was received on
784  * Transmits a broadcast packet on the specified interface either immediately
829  * @skb: broadcast packet to check
830  * @own_packet: true if it is a self-generated broadcast packet
833  * Return: False if a packet needs to be (re)broadcasted on the given interface,
881 		   "BCAST packet from orig %pM on %s suppressed: %s\n",  in batadv_send_no_broadcast()
889  * __batadv_forw_bcast_packet() - forward and queue a broadcast packet
891  * @skb: broadcast packet to add
893  * @own_packet: true if it is a self-generated broadcast packet
895  * Transmits a broadcast packet either immediately or if a delay is given
945  * batadv_forw_bcast_packet() - forward and queue a broadcast packet
947  * @skb: broadcast packet to add
949  * @own_packet: true if it is a self-generated broadcast packet
951  * Transmits a broadcast packet either immediately or if a delay is given
966  * batadv_send_bcast_packet() - send and queue a broadcast packet
968  * @skb: broadcast packet to add
970  * @own_packet: true if it is a self-generated broadcast packet
972  * Transmits a broadcast packet either immediately or if a delay is given
989  * @forw_packet: the forwarding packet to check
991  * Checks whether a given packet has any (re)transmissions left on the provided
1008  *  packet
1009  * @forw_packet: the packet to decrease the counter for
1018  * batadv_forw_packet_is_rebroadcast() - check packet for previous transmissions
1019  * @forw_packet: the packet to check
1021  * Return: True if this packet was transmitted before, false otherwise.
1031  * batadv_send_outstanding_bcast_packet() - transmit a queued broadcast packet
1034  * Transmits a queued broadcast packet and if necessary reschedules it.
1086  * This method cancels and purges any broadcast and OGMv1 packet on the given
1112 	/* claim batman packet list for free() */  in batadv_purge_outstanding_packets()
1118 	/* then cancel or wait for packet workers to finish and free */  in batadv_purge_outstanding_packets()