batman-adv: tvlv - convert tt query packet to use tvlv unicast packets

Instead of generating TT specific packets the TVLV unicast API is used
to send translation table data.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>

1 files changed, 0 insertions, 78 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 9640656d4e51..d12858110f91 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -557,84 +557,6 @@ static int batadv_check_unicast_packet(struct batadv_priv *bat_priv,
         return 0;
 }
 
-int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
-{
-        struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
-        struct batadv_tt_query_packet *tt_query;
-        uint16_t tt_size;
-        int hdr_size = sizeof(*tt_query);
-        char tt_flag;
-        size_t packet_size;
-
-        if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
-                return NET_RX_DROP;
-
-        /* I could need to modify it */
-        if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
-                goto out;
-
-        tt_query = (struct batadv_tt_query_packet *)skb->data;
-
-        switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) {
-        case BATADV_TT_REQUEST:
-                batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_RX);
-
-                /* If we cannot provide an answer the tt_request is
-                 * forwarded
-                 */
-                if (!batadv_send_tt_response(bat_priv, tt_query)) {
-                        if (tt_query->flags & BATADV_TT_FULL_TABLE)
-                                tt_flag = 'F';
-                        else
-                                tt_flag = '.';
-
-                        batadv_dbg(BATADV_DBG_TT, bat_priv,
-                                   "Routing TT_REQUEST to %pM [%c]\n",
-                                   tt_query->dst,
-                                   tt_flag);
-                        return batadv_route_unicast_packet(skb, recv_if);
-                }
-                break;
-        case BATADV_TT_RESPONSE:
-                batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX);
-
-                if (batadv_is_my_mac(bat_priv, tt_query->dst)) {
-                        /* packet needs to be linearized to access the TT
-                         * changes
-                         */
-                        if (skb_linearize(skb) < 0)
-                                goto out;
-                        /* skb_linearize() possibly changed skb->data */
-                        tt_query = (struct batadv_tt_query_packet *)skb->data;
-
-                        tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
-
-                        /* Ensure we have all the claimed data */
-                        packet_size = sizeof(struct batadv_tt_query_packet);
-                        packet_size += tt_size;
-                        if (unlikely(skb_headlen(skb) < packet_size))
-                                goto out;
-
-                        batadv_handle_tt_response(bat_priv, tt_query);
-                } else {
-                        if (tt_query->flags & BATADV_TT_FULL_TABLE)
-                                tt_flag =  'F';
-                        else
-                                tt_flag = '.';
-                        batadv_dbg(BATADV_DBG_TT, bat_priv,
-                                   "Routing TT_RESPONSE to %pM [%c]\n",
-                                   tt_query->dst,
-                                   tt_flag);
-                        return batadv_route_unicast_packet(skb, recv_if);
-                }
-                break;
-        }
-
-out:
-        /* returning NET_RX_DROP will make the caller function kfree the skb */
-        return NET_RX_DROP;
-}
-
 int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
 {
         struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);