mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0d5f20c42b
All files got a SPDX-License-Identifier with commit 7db7d9f369
("batman-adv: Add SPDX license identifier above copyright header"). All the
required information about the license conditions can be found in
LICENSES/.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
114 lines
4.1 KiB
C
114 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2007-2019 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/spinlock.h>
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#include <linux/types.h>
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#include <uapi/linux/batadv_packet.h>
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struct sk_buff;
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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_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
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const 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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