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Commit fe4d434d authored by Sony Chacko's avatar Sony Chacko Committed by David S. Miller
Browse files

qlcnic: support anti mac spoofing 



Administrator can configure to drop packet in transmit,
if it doesn't match interface mac address, in case of virtual function.

Signed-off-by: default avatarSony Chacko <sony.chacko@qlogic.com>
Signed-off-by: default avatarAmit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0325d69b

drivers/net/qlcnic/qlcnic.h

+1 −0
Original line number Diff line number Diff line
@@ -900,6 +900,7 @@ struct qlcnic_mac_req { 
#define QLCNIC_BRIDGE_ENABLED       	0X10

#define QLCNIC_DIAG_ENABLED		0x20

#define QLCNIC_ESWITCH_ENABLED		0x40

#define QLCNIC_MACSPOOF			0x200

#define QLCNIC_IS_MSI_FAMILY(adapter) \

	((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))

drivers/net/qlcnic/qlcnic_main.c

+11 −0
Original line number Diff line number Diff line
@@ -762,6 +762,11 @@ static void 
qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,

		struct qlcnic_esw_func_cfg *esw_cfg)

{

	adapter->flags &= ~QLCNIC_MACSPOOF;

	if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)

		if (esw_cfg->mac_anti_spoof)

			adapter->flags |= QLCNIC_MACSPOOF;



	qlcnic_set_netdev_features(adapter, esw_cfg);

}
@@ -1912,6 +1917,12 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) 
		return NETDEV_TX_BUSY;

	}



	if (adapter->flags & QLCNIC_MACSPOOF) {

		if (compare_ether_addr(eth_hdr(skb)->h_source,

					adapter->mac_addr))

			goto drop_packet;

	}



	frag_count = skb_shinfo(skb)->nr_frags + 1;



	/* 4 fragments per cmd des */