if_link: Add SR-IOV configuration methods

Add SR-IOV VF management methods to IFLA_LINKINFO. This allows userspace to
use rtnetlink to configure VF network devices.
Signed-off-by: NMitch Williams <mitch.a.williams@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/if_link.h

@@ -78,6 +78,11 @@ enum {
 #define IFLA_LINKINFO IFLA_LINKINFO
 	IFLA_NET_NS_PID,
 	IFLA_IFALIAS,
+	IFLA_NUM_VF,		/* Number of VFs if device is SR-IOV PF */
+	IFLA_VF_MAC,		/* Hardware queue specific attributes */
+	IFLA_VF_VLAN,
+	IFLA_VF_TX_RATE,	/* TX Bandwidth Allocation */
+	IFLA_VFINFO,
 	__IFLA_MAX
 };
 
@@ -196,4 +201,29 @@ enum macvlan_mode {
 	MACVLAN_MODE_BRIDGE  = 4, /* talk to bridge ports directly */
 };
 
+/* SR-IOV virtual function managment section */
+
+struct ifla_vf_mac {
+	__u32 vf;
+	__u8 mac[32]; /* MAX_ADDR_LEN */
+};
+
+struct ifla_vf_vlan {
+	__u32 vf;
+	__u32 vlan; /* 0 - 4095, 0 disables VLAN filter */
+	__u32 qos;
+};
+
+struct ifla_vf_tx_rate {
+	__u32 vf;
+	__u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */
+};
+
+struct ifla_vf_info {
+	__u32 vf;
+	__u8 mac[32];
+	__u32 vlan;
+	__u32 qos;
+	__u32 tx_rate;
+};
 #endif /* _LINUX_IF_LINK_H */