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authormatthieu castet <castet.matthieu@free.fr>2006-09-28 19:57:25 +0200
committerJeff Garzik <jeff@garzik.org>2006-12-02 00:11:57 -0500
commit42a4cf9576f036db69e15fa6b4e72986e17f0359 (patch)
tree4a6aad7749cbc2fe9626802a9723af945d1f6639 /net/ieee80211
parentc9308b06c049a107edfbd4e5271771564eb6024d (diff)
downloadop-kernel-dev-42a4cf9576f036db69e15fa6b4e72986e17f0359.zip
op-kernel-dev-42a4cf9576f036db69e15fa6b4e72986e17f0359.tar.gz
[PATCH] ieee80211: allow mtu bigger than 1500
Hi this patch allow to set the mtu between 1500 and 2304 (max octets in an MSDU) for devices using ieee80211 linux stack. Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/ieee80211')
-rw-r--r--net/ieee80211/ieee80211_module.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c
index 13b1e5f..2b14c2f 100644
--- a/net/ieee80211/ieee80211_module.c
+++ b/net/ieee80211/ieee80211_module.c
@@ -118,6 +118,14 @@ static void ieee80211_networks_initialize(struct ieee80211_device *ieee)
&ieee->network_free_list);
}
+static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
+{
+ if ((new_mtu < 68) || (new_mtu > IEEE80211_DATA_LEN))
+ return -EINVAL;
+ dev->mtu = new_mtu;
+ return 0;
+}
+
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
@@ -133,6 +141,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
}
ieee = netdev_priv(dev);
dev->hard_start_xmit = ieee80211_xmit;
+ dev->change_mtu = ieee80211_change_mtu;
ieee->dev = dev;
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