1 /* Copyright (C) 2007-2013 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, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 17 * 02110-1301, USA 18 */ 19 20 #ifndef _NET_BATMAN_ADV_SEND_H_ 21 #define _NET_BATMAN_ADV_SEND_H_ 22 23 int batadv_send_skb_packet(struct sk_buff *skb, 24 struct batadv_hard_iface *hard_iface, 25 const uint8_t *dst_addr); 26 int batadv_send_skb_to_orig(struct sk_buff *skb, 27 struct batadv_orig_node *orig_node, 28 struct batadv_hard_iface *recv_if); 29 void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); 30 int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, 31 const struct sk_buff *skb, 32 unsigned long delay); 33 void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); 34 void 35 batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, 36 const struct batadv_hard_iface *hard_iface); 37 bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, 38 struct sk_buff *skb, 39 struct batadv_orig_node *orig_node, 40 int packet_subtype); 41 int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, 42 struct sk_buff *skb, int packet_type, 43 int packet_subtype, unsigned short vid); 44 int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, 45 unsigned short vid); 46 47 /** 48 * batadv_send_skb_via_tt - send an skb via TT lookup 49 * @bat_priv: the bat priv with all the soft interface information 50 * @skb: the payload to send 51 * @vid: the vid to be used to search the translation table 52 * 53 * Look up the recipient node for the destination address in the ethernet 54 * header via the translation table. Wrap the given skb into a batman-adv 55 * unicast header. Then send this frame to the according destination node. 56 * 57 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 58 */ 59 static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, 60 struct sk_buff *skb, 61 unsigned short vid) 62 { 63 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, 64 vid); 65 } 66 67 /** 68 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup 69 * @bat_priv: the bat priv with all the soft interface information 70 * @skb: the payload to send 71 * @packet_subtype: the unicast 4addr packet subtype to use 72 * @vid: the vid to be used to search the translation table 73 * 74 * Look up the recipient node for the destination address in the ethernet 75 * header via the translation table. Wrap the given skb into a batman-adv 76 * unicast-4addr header. Then send this frame to the according destination 77 * node. 78 * 79 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. 80 */ 81 static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, 82 struct sk_buff *skb, 83 int packet_subtype, 84 unsigned short vid) 85 { 86 return batadv_send_skb_via_tt_generic(bat_priv, skb, 87 BATADV_UNICAST_4ADDR, 88 packet_subtype, vid); 89 } 90 91 #endif /* _NET_BATMAN_ADV_SEND_H_ */ 92