net: ethtool: Add destination MAC address to flow steering API
Add ability to specify destination MAC address for L3/L4 flow spec
in order to be able to specify action for different VM's under vSwitch
configuration. This change is transparent to older userspace.
Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index d3eaaaf..be8c41e 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -500,13 +500,15 @@
struct ethtool_ah_espip4_spec esp_ip4_spec;
struct ethtool_usrip4_spec usr_ip4_spec;
struct ethhdr ether_spec;
- __u8 hdata[60];
+ __u8 hdata[52];
};
struct ethtool_flow_ext {
- __be16 vlan_etype;
- __be16 vlan_tci;
- __be32 data[2];
+ __u8 padding[2];
+ unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
+ __be16 vlan_etype;
+ __be16 vlan_tci;
+ __be32 data[2];
};
/**
@@ -1027,6 +1029,7 @@
#define ETHER_FLOW 0x12 /* spec only (ether_spec) */
/* Flag to enable additional fields in struct ethtool_rx_flow_spec */
#define FLOW_EXT 0x80000000
+#define FLOW_MAC_EXT 0x40000000
/* L3-L4 network traffic flow hash options */
#define RXH_L2DA (1 << 1)