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Date:	Sat, 24 Sep 2011 02:17:38 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Greg Rose <gregory.v.rose@...el.com>, netdev@...r.kernel.org,
	gospo@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 05/10] if_link: Add additional parameter to IFLA_VF_INFO for spoof checking

From: Greg Rose <gregory.v.rose@...el.com>

Add configuration setting for drivers to turn spoof checking on or off
for discrete VFs.

Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 include/linux/if_link.h   |    7 +++++++
 include/linux/netdevice.h |    3 +++
 net/core/rtnetlink.c      |   25 ++++++++++++++++++++++---
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 0ee969a..8bd6d6d 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -279,6 +279,7 @@ enum {
 	IFLA_VF_MAC,		/* Hardware queue specific attributes */
 	IFLA_VF_VLAN,
 	IFLA_VF_TX_RATE,	/* TX Bandwidth Allocation */
+	IFLA_VF_SPOOFCHK,	/* Spoof Checking on/off switch */
 	__IFLA_VF_MAX,
 };
 
@@ -300,12 +301,18 @@ struct ifla_vf_tx_rate {
 	__u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */
 };
 
+struct ifla_vf_spoofchk {
+	__u32 vf;
+	__u32 setting;
+};
+
 struct ifla_vf_info {
 	__u32 vf;
 	__u8 mac[32];
 	__u32 vlan;
 	__u32 qos;
 	__u32 tx_rate;
+	__u32 spoofchk;
 };
 
 /* VF ports management section
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 43b3298..a2951a0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -781,6 +781,7 @@ struct netdev_tc_txq {
  * int (*ndo_set_vf_mac)(struct net_device *dev, int vf, u8* mac);
  * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan, u8 qos);
  * int (*ndo_set_vf_tx_rate)(struct net_device *dev, int vf, int rate);
+ * int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, u8 setting);
  * int (*ndo_get_vf_config)(struct net_device *dev,
  *			    int vf, struct ifla_vf_info *ivf);
  * int (*ndo_set_vf_port)(struct net_device *dev, int vf,
@@ -900,6 +901,8 @@ struct net_device_ops {
 						   int queue, u16 vlan, u8 qos);
 	int			(*ndo_set_vf_tx_rate)(struct net_device *dev,
 						      int vf, int rate);
+	int			(*ndo_set_vf_spoofchk)(struct net_device *dev,
+						       int vf, u8 setting);
 	int			(*ndo_get_vf_config)(struct net_device *dev,
 						     int vf,
 						     struct ifla_vf_info *ivf);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 39f8dd6..6535810 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -731,7 +731,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev)
 		size += num_vfs *
 			(nla_total_size(sizeof(struct ifla_vf_mac)) +
 			 nla_total_size(sizeof(struct ifla_vf_vlan)) +
-			 nla_total_size(sizeof(struct ifla_vf_tx_rate)));
+			 nla_total_size(sizeof(struct ifla_vf_tx_rate)) +
+			 nla_total_size(sizeof(struct ifla_vf_spoofchk)));
 		return size;
 	} else
 		return 0;
@@ -954,13 +955,19 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
 			struct ifla_vf_mac vf_mac;
 			struct ifla_vf_vlan vf_vlan;
 			struct ifla_vf_tx_rate vf_tx_rate;
+			struct ifla_vf_spoofchk vf_spoofchk;
 			if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
 				break;
-			vf_mac.vf = vf_vlan.vf = vf_tx_rate.vf = ivi.vf;
+			vf_mac.vf =
+			vf_vlan.vf =
+			vf_tx_rate.vf =
+			vf_spoofchk.vf = ivi.vf;
+
 			memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
 			vf_vlan.vlan = ivi.vlan;
 			vf_vlan.qos = ivi.qos;
 			vf_tx_rate.rate = ivi.tx_rate;
+			vf_spoofchk.setting = ivi.spoofchk;
 			vf = nla_nest_start(skb, IFLA_VF_INFO);
 			if (!vf) {
 				nla_nest_cancel(skb, vfinfo);
@@ -968,7 +975,10 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
 			}
 			NLA_PUT(skb, IFLA_VF_MAC, sizeof(vf_mac), &vf_mac);
 			NLA_PUT(skb, IFLA_VF_VLAN, sizeof(vf_vlan), &vf_vlan);
-			NLA_PUT(skb, IFLA_VF_TX_RATE, sizeof(vf_tx_rate), &vf_tx_rate);
+			NLA_PUT(skb, IFLA_VF_TX_RATE, sizeof(vf_tx_rate),
+				&vf_tx_rate);
+			NLA_PUT(skb, IFLA_VF_SPOOFCHK, sizeof(vf_spoofchk),
+				&vf_spoofchk);
 			nla_nest_end(skb, vf);
 		}
 		nla_nest_end(skb, vfinfo);
@@ -1202,6 +1212,15 @@ static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
 							      ivt->rate);
 			break;
 		}
+		case IFLA_VF_SPOOFCHK: {
+			struct ifla_vf_spoofchk *ivs;
+			ivs = nla_data(vf);
+			err = -EOPNOTSUPP;
+			if (ops->ndo_set_vf_spoofchk)
+				err = ops->ndo_set_vf_spoofchk(dev, ivs->vf,
+							       ivs->setting);
+			break;
+		}
 		default:
 			err = -EINVAL;
 			break;
-- 
1.7.6.2

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