Add support for RX packet classification in a network device

index eadba25..741b81e 100644
@@ -12,6 +12,8 @@
 #ifndef _LINUX_ETHTOOL_H
 #define _LINUX_ETHTOOL_H
 
+#include <linux/types.h>
+
 /* This should work for both 32 and 64 bit userland. */
 struct ethtool_cmd {
 	__u32	cmd;

@@ -53,12 +55,13 @@ struct ethtool_drvinfo {
 	char	bus_info[ETHTOOL_BUSINFO_LEN];	/* Bus info for this IF. */
 				/* For PCI devices, use pci_name(pci_dev). */
 	char	reserved1[32];
-	char	reserved2[12];
+	char	reserved2[8];
 	__u32	n_priv_flags;	/* number of flags valid in ETHTOOL_GPFLAGS */
 	__u32	n_stats;	/* number of u64's from ETHTOOL_GSTATS */
 	__u32	testinfo_len;
 	__u32	eedump_len;	/* Size of data from ETHTOOL_GEEPROM (bytes) */
 	__u32	regdump_len;	/* Size of data from ETHTOOL_GREGS (bytes) */
+	__u32	n_rx_rules;	/* number of rx classification rules */
 };
 
 #define SOPASS_MAX	6

@@ -285,10 +288,71 @@ enum ethtool_flags {
 	ETH_FLAG_LRO		= (1 << 15),	/* LRO is enabled */
 };
 
-struct ethtool_rxnfc {
-	__u32		cmd;
+struct ethtool_tcpip4_spec {
+	__u32	ip4src;
+	__u32	ip4dst;
+	__u16	psrc;
+	__u16	pdst;
+	__u8    tos;
+};
+
+struct ethtool_ah_espip4_spec {
+	__u32	ip4src;
+	__u32	ip4dst;
+	__u32	spi;
+	__u8    tos;
+};
+
+struct ethtool_rawip4_spec {
+	__u32	ip4src;
+	__u32	ip4dst;
+	__u8	hdata[64];
+};
+
+struct ethtool_ether_spec {
+	__u16	ether_type;
+	__u8	frame_size;
+	__u8	eframe[16];
+};
+
+#define	ETH_RX_NFC_IP4	1
+#define	ETH_RX_NFC_IP6	2
+
+struct ethtool_usrip4_spec {
+	__u32	ip4src;
+	__u32	ip4dst;
+	__u32	l4_4_bytes;
+	__u8    tos;
+	__u8    ip_ver;
+	__u8    proto;
+};
+
+struct ethtool_rx_flow_spec {
 	__u32		flow_type;
-	__u64		data;
+	union
+	{
+		struct ethtool_tcpip4_spec		tcp_ip4_spec;
+		struct ethtool_tcpip4_spec		udp_ip4_spec;
+		struct ethtool_tcpip4_spec		sctp_ip4_spec;
+		struct ethtool_ah_espip4_spec		ah_ip4_spec;
+		struct ethtool_ah_espip4_spec		esp_ip4_spec;
+		struct ethtool_rawip4_spec		raw_ip4_spec;
+		struct ethtool_ether_spec		ether_spec;
+		struct ethtool_usrip4_spec		usr_ip4_spec;
+		__u8					hdata[64];
+	} h_u, m_u; /* entry, mask */
+	__u64		ring_cookie;
+	__u32		location;
+};
+
+struct ethtool_rxnfc {
+	__u32				cmd;
+	__u32				flow_type;
+	/* The rx flow hash value or the rule DB size or the # rx rings */
+	__u64				data;
+	struct ethtool_rx_flow_spec	fs;
+	__u32				rule_cnt;
+	__u32				rule_locs[0];
 };
 
 /* CMDs currently supported */

@@ -336,6 +400,11 @@ struct ethtool_rxnfc {
 
 #define	ETHTOOL_GRXFH		0x00000029 /* Get RX flow hash configuration */
 #define	ETHTOOL_SRXFH		0x0000002a /* Set RX flow hash configuration */
+#define	ETHTOOL_GRXRINGS	0x0000002b /* Get RX rings available for LB */
+#define	ETHTOOL_GRXCLSRULE	0x0000002c /* Get RX classification rule */
+#define	ETHTOOL_GRXCLSRLALL	0x0000002d /* Get all RX classification rule */
+#define	ETHTOOL_SRXCLSRLDEL	0x0000002e /* Delete RX classification rule */
+#define	ETHTOOL_SRXCLSRLINS	0x0000002f /* Insert RX classification rule */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET		ETHTOOL_GSET

@@ -427,14 +496,16 @@ struct ethtool_rxnfc {
 #define	TCP_V4_FLOW	0x01
 #define	UDP_V4_FLOW	0x02
 #define	SCTP_V4_FLOW	0x03
-#define	AH_ESP_V4_FLOW	0x04
-#define	TCP_V6_FLOW	0x05
-#define	UDP_V6_FLOW	0x06
-#define	SCTP_V6_FLOW	0x07
-#define	AH_ESP_V6_FLOW	0x08
+#define	AH_V4_FLOW	0x04
+#define	ESP_V4_FLOW	0x05
+#define	TCP_V6_FLOW	0x06
+#define	UDP_V6_FLOW	0x07
+#define	SCTP_V6_FLOW	0x08
+#define	AH_V6_FLOW	0x09
+#define	ESP_V6_FLOW	0x0a
+#define	IP_USER_FLOW	0x0b
 
 /* L3-L4 network traffic flow hash options */
-#define	RXH_DEV_PORT	(1 << 0)
 #define	RXH_L2DA	(1 << 1)
 #define	RXH_VLAN	(1 << 2)
 #define	RXH_L3_PROTO	(1 << 3)

@@ -444,5 +515,6 @@ struct ethtool_rxnfc {
 #define	RXH_L4_B_2_3	(1 << 7) /* dst port in case of TCP/UDP/SCTP */
 #define	RXH_DISCARD	(1 << 31)
 
+#define	RX_CLS_FLOW_DISC	0xffffffffffffffffULL
 
 #endif /* _LINUX_ETHTOOL_H */

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