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116 lines
4.3 KiB
116 lines
4.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) B.A.T.M.A.N. contributors: |
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* |
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* Marek Lindner, Simon Wunderlich |
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*/ |
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#ifndef _NET_BATMAN_ADV_SEND_H_ |
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#define _NET_BATMAN_ADV_SEND_H_ |
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#include "main.h" |
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#include <linux/compiler.h> |
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#include <linux/skbuff.h> |
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#include <linux/spinlock.h> |
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#include <linux/types.h> |
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#include <uapi/linux/batadv_packet.h> |
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void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet, |
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bool dropped); |
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struct batadv_forw_packet * |
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batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming, |
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struct batadv_hard_iface *if_outgoing, |
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atomic_t *queue_left, |
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struct batadv_priv *bat_priv, |
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struct sk_buff *skb); |
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bool batadv_forw_packet_steal(struct batadv_forw_packet *packet, spinlock_t *l); |
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void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv, |
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struct batadv_forw_packet *forw_packet, |
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unsigned long send_time); |
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bool batadv_forw_packet_is_rebroadcast(struct batadv_forw_packet *forw_packet); |
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int batadv_send_skb_to_orig(struct sk_buff *skb, |
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struct batadv_orig_node *orig_node, |
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struct batadv_hard_iface *recv_if); |
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int batadv_send_skb_packet(struct sk_buff *skb, |
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struct batadv_hard_iface *hard_iface, |
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const u8 *dst_addr); |
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int batadv_send_broadcast_skb(struct sk_buff *skb, |
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struct batadv_hard_iface *hard_iface); |
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int batadv_send_unicast_skb(struct sk_buff *skb, |
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struct batadv_neigh_node *neigh_node); |
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int batadv_forw_bcast_packet(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, |
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unsigned long delay, |
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bool own_packet); |
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void batadv_send_bcast_packet(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, |
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unsigned long delay, |
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bool own_packet); |
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void |
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batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, |
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const struct batadv_hard_iface *hard_iface); |
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bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, |
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struct batadv_orig_node *orig_node, |
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int packet_subtype); |
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int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, int packet_type, |
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int packet_subtype, |
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struct batadv_orig_node *orig_node, |
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unsigned short vid); |
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int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, int packet_type, |
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int packet_subtype, u8 *dst_hint, |
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unsigned short vid); |
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int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
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unsigned short vid); |
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/** |
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* batadv_send_skb_via_tt() - send an skb via TT lookup |
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* @bat_priv: the bat priv with all the soft interface information |
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* @skb: the payload to send |
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* @dst_hint: can be used to override the destination contained in the skb |
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* @vid: the vid to be used to search the translation table |
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* |
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* Look up the recipient node for the destination address in the ethernet |
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* header via the translation table. Wrap the given skb into a batman-adv |
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* unicast header. Then send this frame to the according destination node. |
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* |
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* Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
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*/ |
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static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, u8 *dst_hint, |
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unsigned short vid) |
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{ |
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return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
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dst_hint, vid); |
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} |
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/** |
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* batadv_send_skb_via_tt_4addr() - send an skb via TT lookup |
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* @bat_priv: the bat priv with all the soft interface information |
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* @skb: the payload to send |
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* @packet_subtype: the unicast 4addr packet subtype to use |
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* @dst_hint: can be used to override the destination contained in the skb |
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* @vid: the vid to be used to search the translation table |
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* |
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* Look up the recipient node for the destination address in the ethernet |
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* header via the translation table. Wrap the given skb into a batman-adv |
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* unicast-4addr header. Then send this frame to the according destination |
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* node. |
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* |
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* Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
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*/ |
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static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
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struct sk_buff *skb, |
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int packet_subtype, |
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u8 *dst_hint, |
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unsigned short vid) |
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{ |
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return batadv_send_skb_via_tt_generic(bat_priv, skb, |
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BATADV_UNICAST_4ADDR, |
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packet_subtype, dst_hint, vid); |
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} |
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#endif /* _NET_BATMAN_ADV_SEND_H_ */
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