LXR linux/net/batman-adv/send.h

   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
  21int batadv_send_skb_packet(struct sk_buff *skb,
  22                           struct batadv_hard_iface *hard_iface,
  23                           const uint8_t *dst_addr);
  24int batadv_send_skb_to_orig(struct sk_buff *skb,
  25                            struct batadv_orig_node *orig_node,
  26                            struct batadv_hard_iface *recv_if);
  27void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
  28int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
  29                                    const struct sk_buff *skb,
  30                                    unsigned long delay);
  31void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
  32void
  33batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
  34                                 const struct batadv_hard_iface *hard_iface);
  35bool 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);
  39int 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);
  44int 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);
  48int 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 */
  64static 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 */
  87static 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