diff options
Diffstat (limited to 'net/batman-adv/send.h')
| -rw-r--r-- | net/batman-adv/send.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/net/batman-adv/send.h b/net/batman-adv/send.h new file mode 100644 index 000000000..38d0ec183 --- /dev/null +++ b/net/batman-adv/send.h @@ -0,0 +1,98 @@ +/* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _NET_BATMAN_ADV_SEND_H_ +#define _NET_BATMAN_ADV_SEND_H_ + +int batadv_send_skb_packet(struct sk_buff *skb, + struct batadv_hard_iface *hard_iface, + const uint8_t *dst_addr); +int batadv_send_skb_to_orig(struct sk_buff *skb, + struct batadv_orig_node *orig_node, + struct batadv_hard_iface *recv_if); +void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); +int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, + const struct sk_buff *skb, + unsigned long delay); +void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); +void +batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, + const struct batadv_hard_iface *hard_iface); +bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, + struct sk_buff *skb, + struct batadv_orig_node *orig_node, + int packet_subtype); +int batadv_send_skb_unicast(struct batadv_priv *bat_priv, + struct sk_buff *skb, int packet_type, + int packet_subtype, + struct batadv_orig_node *orig_node, + unsigned short vid); +int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, + struct sk_buff *skb, int packet_type, + int packet_subtype, uint8_t *dst_hint, + unsigned short vid); +int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, + unsigned short vid); + +/** + * batadv_send_skb_via_tt - send an skb via TT lookup + * @bat_priv: the bat priv with all the soft interface information + * @skb: the payload to send + * @dst_hint: can be used to override the destination contained in the skb + * @vid: the vid to be used to search the translation table + * + * Look up the recipient node for the destination address in the ethernet + * header via the translation table. Wrap the given skb into a batman-adv + * unicast header. Then send this frame to the according destination node. + * + * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. + */ +static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, + struct sk_buff *skb, uint8_t *dst_hint, + unsigned short vid) +{ + return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, + dst_hint, vid); +} + +/** + * batadv_send_skb_via_tt_4addr - send an skb via TT lookup + * @bat_priv: the bat priv with all the soft interface information + * @skb: the payload to send + * @packet_subtype: the unicast 4addr packet subtype to use + * @dst_hint: can be used to override the destination contained in the skb + * @vid: the vid to be used to search the translation table + * + * Look up the recipient node for the destination address in the ethernet + * header via the translation table. Wrap the given skb into a batman-adv + * unicast-4addr header. Then send this frame to the according destination + * node. + * + * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. + */ +static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, + struct sk_buff *skb, + int packet_subtype, + uint8_t *dst_hint, + unsigned short vid) +{ + return batadv_send_skb_via_tt_generic(bat_priv, skb, + BATADV_UNICAST_4ADDR, + packet_subtype, dst_hint, vid); +} + +#endif /* _NET_BATMAN_ADV_SEND_H_ */ |