diff options
| author |   Sony Chacko <sony.chacko@qlogic.com> | 2010-08-19 05:08:27 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-08-19 16:52:40 -0700 |
| commit | fe4d434da8e96142e36eb22fc5cf29ef2c2df9c2 (patch) | |
| tree | 6e4d124efa2ecc98d025a79268c77dd46e449ef2 /drivers/net | |
| parent | qlcnic: configure offload setting on eswitch (diff) | |
| download | linux-dev-fe4d434da8e96142e36eb22fc5cf29ef2c2df9c2.tar.xz linux-dev-fe4d434da8e96142e36eb22fc5cf29ef2c2df9c2.zip | |
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.h | 1 | ||||
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_main.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 9433a05555f1..b58c4119f279 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 aa1f6b3c3b80..de4be00e31e5 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 */ |