dev_queue_xmit() will return a positive value if the packet could not be
queued, often because the real network device (in our case the mac802154
wpan device) has its queue stopped. lowpan_xmit() should return that value
to the higher layer so the higher layer will retry sending the packet.
Signed-off-by: Alan Ott <a...@signal11.us>
---
net/ieee802154/6lowpan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index a68c792..55e1fd5 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -1142,7 +1142,7 @@ out:
if (err)
pr_debug("ERROR: xmit failed\n");
- return (err < 0 ? NETDEV_TX_BUSY : NETDEV_TX_OK);
+ return (err < 0) ? NET_XMIT_DROP : err;
}
static struct wpan_phy *lowpan_get_phy(const struct net_device *dev)
--
1.7.11.2
------------------------------------------------------------------------------
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