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_unicast(struct batadv_priv *bat_priv, 40 struct sk_buff *skb, int packet_type, 41 int packet_subtype, 42 struct batadv_orig_node *orig_node, 43 unsigned short vid); 44 int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, 45 struct sk_buff *skb, int packet_type, 46 int packet_subtype, uint8_t *dst_hint, 47 unsigned short vid); 48 int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, 49 unsigned short vid); 50 51 /** 52 * batadv_send_skb_via_tt - send an skb via TT lookup 53 * @bat_priv: the bat priv with all the soft interface information 54 * @skb: the payload to send 55 * @dst_hint: can be used to override the destination contained in the skb 56 * @vid: the vid to be used to search the translation table 57 * 58 * Look up the recipient node for the destination address in the ethernet 59 * header via the translation table. Wrap the given skb into a batman-adv 60 * unicast header. Then send this frame to the according destination node. 61 * 62 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 63 */ 64 static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, 65 struct sk_buff *skb, uint8_t *dst_hint, 66 unsigned short vid) 67 { 68 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, 69 dst_hint, vid); 70 } 71 72 /** 73 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup 74 * @bat_priv: the bat priv with all the soft interface information 75 * @skb: the payload to send 76 * @packet_subtype: the unicast 4addr packet subtype to use 77 * @dst_hint: can be used to override the destination contained in the skb 78 * @vid: the vid to be used to search the translation table 79 * 80 * Look up the recipient node for the destination address in the ethernet 81 * header via the translation table. Wrap the given skb into a batman-adv 82 * unicast-4addr header. Then send this frame to the according destination 83 * node. 84 * 85 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 86 */ 87 static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, 88 struct sk_buff *skb, 89 int packet_subtype, 90 uint8_t *dst_hint, 91 unsigned short vid) 92 { 93 return batadv_send_skb_via_tt_generic(bat_priv, skb, 94 BATADV_UNICAST_4ADDR, 95 packet_subtype, dst_hint, vid); 96 } 97 98 #endif /* _NET_BATMAN_ADV_SEND_H_ */ 99