From 9c22b4a34eddbaa5b5243c8cd27e31aa36e676e1 Mon Sep 17 00:00:00 2001 From: Jarod Wilson Date: Thu, 20 Oct 2016 13:55:18 -0400 Subject: net: use core MTU range checking in wireless drivers - set max_mtu in wil6210 driver - set max_mtu in atmel driver - set min/max_mtu in cisco airo driver, remove airo_change_mtu - set min/max_mtu in ipw2100/ipw2200 drivers, remove libipw_change_mtu - set min/max_mtu in p80211netdev, remove wlan_change_mtu - set min/max_mtu in net/mac80211/iface.c and remove ieee80211_change_mtu - set min/max_mtu in wimax/i2400m and remove i2400m_change_mtu - set min/max_mtu in intersil/hostap and remove prism2_change_mtu - set min/max_mtu in intersil/orinoco - set min/max_mtu in tty/n_gsm and remove gsm_change_mtu CC: netdev@vger.kernel.org CC: linux-wireless@vger.kernel.org CC: Maya Erez CC: Simon Kelley CC: Stanislav Yakovlev CC: Johannes Berg CC: Inaky Perez-Gonzalez Signed-off-by: Jarod Wilson Acked-by: Johannes Berg Signed-off-by: David S. Miller --- net/mac80211/iface.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) (limited to 'net/mac80211') diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 638ec0759078..73e6a8fd2845 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -150,15 +150,6 @@ void ieee80211_recalc_idle(struct ieee80211_local *local) ieee80211_hw_config(local, change); } -static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) -{ - if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN) - return -EINVAL; - - dev->mtu = new_mtu; - return 0; -} - static int ieee80211_verify_mac(struct ieee80211_sub_if_data *sdata, u8 *addr, bool check_dup) { @@ -1166,7 +1157,6 @@ static const struct net_device_ops ieee80211_dataif_ops = { .ndo_uninit = ieee80211_uninit, .ndo_start_xmit = ieee80211_subif_start_xmit, .ndo_set_rx_mode = ieee80211_set_multicast_list, - .ndo_change_mtu = ieee80211_change_mtu, .ndo_set_mac_address = ieee80211_change_mac, .ndo_select_queue = ieee80211_netdev_select_queue, .ndo_get_stats64 = ieee80211_get_stats64, @@ -1200,7 +1190,6 @@ static const struct net_device_ops ieee80211_monitorif_ops = { .ndo_uninit = ieee80211_uninit, .ndo_start_xmit = ieee80211_monitor_start_xmit, .ndo_set_rx_mode = ieee80211_set_multicast_list, - .ndo_change_mtu = ieee80211_change_mtu, .ndo_set_mac_address = ieee80211_change_mac, .ndo_select_queue = ieee80211_monitor_select_queue, .ndo_get_stats64 = ieee80211_get_stats64, @@ -1884,6 +1873,10 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops); + /* MTU range: 256 - 2304 */ + ndev->min_mtu = 256; + ndev->max_mtu = IEEE80211_MAX_DATA_LEN; + ret = register_netdevice(ndev); if (ret) { ieee80211_if_free(ndev); -- cgit