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Commit d87bac1b authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by John W. Linville
Browse files

wil6210: limit MTU 



Obey 802.11 spec that defines max. data size 7920 bytes

Signed-off-by: default avatarVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 60ccc107

drivers/net/wireless/ath/wil6210/netdev.c

+14 −0
Original line number Diff line number Diff line
@@ -32,12 +32,26 @@ static int wil_stop(struct net_device *ndev) 
	return wil_down(wil);

}



static int wil_change_mtu(struct net_device *ndev, int new_mtu)

{

	struct wil6210_priv *wil = ndev_to_wil(ndev);



	if (new_mtu < 68 || new_mtu > IEEE80211_MAX_DATA_LEN_DMG)

		return -EINVAL;



	wil_dbg_misc(wil, "change MTU %d -> %d\n", ndev->mtu, new_mtu);

	ndev->mtu = new_mtu;



	return 0;

}



static const struct net_device_ops wil_netdev_ops = {

	.ndo_open		= wil_open,

	.ndo_stop		= wil_stop,

	.ndo_start_xmit		= wil_start_xmit,

	.ndo_set_mac_address	= eth_mac_addr,

	.ndo_validate_addr	= eth_validate_addr,

	.ndo_change_mtu		= wil_change_mtu,

};



static int wil6210_netdev_poll_rx(struct napi_struct *napi, int budget)