1 /* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors: 2 * 3 * Marek Lindner, Simon Wunderlich 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of version 2 of the GNU General Public 7 * License as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef _NET_BATMAN_ADV_SEND_H_ 19 #define _NET_BATMAN_ADV_SEND_H_ 20 21 int batadv_send_skb_packet(struct sk_buff *skb, 22 struct batadv_hard_iface *hard_iface, 23 const uint8_t *dst_addr); 24 int batadv_send_skb_to_orig(struct sk_buff *skb, 25 struct batadv_orig_node *orig_node, 26 struct batadv_hard_iface *recv_if); 27 void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); 28 int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, 29 const struct sk_buff *skb, 30 unsigned long delay); 31 void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); 32 void 33 batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, 34 const struct batadv_hard_iface *hard_iface); 35 bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, 36 struct sk_buff *skb, 37 struct batadv_orig_node *orig_node, 38 int packet_subtype); 39 int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, 40 struct sk_buff *skb, int packet_type, 41 int packet_subtype, uint8_t *dst_hint, 42 unsigned short vid); 43 int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, 44 unsigned short vid); 45 46 /** 47 * batadv_send_skb_via_tt - send an skb via TT lookup 48 * @bat_priv: the bat priv with all the soft interface information 49 * @skb: the payload to send 50 * @vid: the vid to be used to search the translation table 51 * 52 * Look up the recipient node for the destination address in the ethernet 53 * header via the translation table. Wrap the given skb into a batman-adv 54 * unicast header. Then send this frame to the according destination node. 55 * 56 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 57 */ 58 static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, 59 struct sk_buff *skb, uint8_t *dst_hint, 60 unsigned short vid) 61 { 62 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, 63 dst_hint, vid); 64 } 65 66 /** 67 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup 68 * @bat_priv: the bat priv with all the soft interface information 69 * @skb: the payload to send 70 * @packet_subtype: the unicast 4addr packet subtype to use 71 * @vid: the vid to be used to search the translation table 72 * 73 * Look up the recipient node for the destination address in the ethernet 74 * header via the translation table. Wrap the given skb into a batman-adv 75 * unicast-4addr header. Then send this frame to the according destination 76 * node. 77 * 78 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 79 */ 80 static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, 81 struct sk_buff *skb, 82 int packet_subtype, 83 uint8_t *dst_hint, 84 unsigned short vid) 85 { 86 return batadv_send_skb_via_tt_generic(bat_priv, skb, 87 BATADV_UNICAST_4ADDR, 88 packet_subtype, dst_hint, vid); 89 } 90 91 #endif /* _NET_BATMAN_ADV_SEND_H_ */ 92