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[8/8] batman-adv: Set the txqueuelen to zero when creating soft interface

Message ID 1303068618-27928-9-git-send-email-sven@narfation.org
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Sven Eckelmann April 17, 2011, 7:30 p.m. UTC 
From: Andrew Lunn <andrew@lunn.ch>

Like other virtual interfaces, e.g. br0, we don't need a transmit
queue. Packets should only be queued on real interfaces which are
underneath. In practice this patch makes little difference since the
virtual interfaces can accept packets as fast as they come, but the
patch will avoid bufferbloat questions to the mailling lists in the
future.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
 net/batman-adv/soft-interface.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
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Patch

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index a60fd48..1f6f756 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -584,6 +584,7 @@  static void interface_setup(struct net_device *dev)
 	dev->hard_start_xmit = interface_tx;
 #endif
 	dev->destructor = free_netdev;
+	dev->tx_queue_len = 0;
 
 	/**
 	 * can't call min_mtu, because the needed variables