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authorSony Chacko <sony.chacko@qlogic.com>2010-08-19 05:08:27 +0000
committerDavid S. Miller <davem@davemloft.net>2010-08-19 16:52:40 -0700
commitfe4d434da8e96142e36eb22fc5cf29ef2c2df9c2 (patch)
tree6e4d124efa2ecc98d025a79268c77dd46e449ef2 /drivers/net
parent0325d69b2a1feb72f11413dbfcc1705ccfc203c1 (diff)
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: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/qlcnic/qlcnic.h1
-rw-r--r--drivers/net/qlcnic/qlcnic_main.c11
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 9433a05555f..b58c4119f27 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -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))
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index aa1f6b3c3b8..de4be00e31e 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -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 */