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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>
This commit is contained in:
Yan Burman 2012-12-12 02:13:17 +00:00 committed by David S. Miller
parent cfd5675435
commit d4676eac0d
1 changed files with 7 additions and 4 deletions
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11
include/uapi/linux/ethtool.h
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@ -500,13 +500,15 @@ union ethtool_flow_union {
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 @@ enum ethtool_sfeatures_retval_bits {
#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)