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batman-adv: return netdev status in the TX path

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Return the proper netdev TX status along the TX path so that the tp_meter
can understand when the queue is full and should stop sending packets.

Signed-off-by: Antonio Quartulli <antonio.quartulli@open-mesh.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Antonio Quartulli
2016-05-18 11:38:48 +02:00
committed by Simon Wunderlich
parent 5da0aef5e9
commit f50ca95a69
5 changed files with 68 additions and 44 deletions
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4
net/batman-adv/tvlv.c
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@@ -591,6 +591,7 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, u8 *src,
unsigned char *tvlv_buff;
unsigned int tvlv_len;
ssize_t hdr_len = sizeof(*unicast_tvlv_packet);
int res;
orig_node = batadv_orig_hash_find(bat_priv, dst);
if (!orig_node)
@@ -623,7 +624,8 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, u8 *src,
tvlv_buff += sizeof(*tvlv_hdr);
memcpy(tvlv_buff, tvlv_value, tvlv_value_len);
if (batadv_send_skb_to_orig(skb, orig_node, NULL) == NET_XMIT_DROP)
res = batadv_send_skb_to_orig(skb, orig_node, NULL);
if (res == -1)
kfree_skb(skb);
out:
batadv_orig_node_put(orig_node);