2 files changed, 53 insertions, 0 deletions

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index ef4a2d84d922..a3cac53a0766 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -14,6 +14,7 @@
 #define _LINUX_ETHTOOL_H
 
 #include <linux/types.h>
+#include <linux/rculist.h>
 
 /* This should work for both 32 and 64 bit userland. */
 struct ethtool_cmd {
@@ -242,6 +243,7 @@ enum ethtool_stringset {
         ETH_SS_TEST             = 0,
         ETH_SS_STATS,
         ETH_SS_PRIV_FLAGS,
+        ETH_SS_NTUPLE_FILTERS,
 };
 
 /* for passing string sets for data tagging */
@@ -290,6 +292,7 @@ struct ethtool_perm_addr {
  */
 enum ethtool_flags {
         ETH_FLAG_LRO            = (1 << 15),    /* LRO is enabled */
+        ETH_FLAG_NTUPLE         = (1 << 27),    /* N-tuple filters enabled */
 };
 
 /* The following structures are for supporting RX network flow
@@ -363,6 +366,35 @@ struct ethtool_rxnfc {
         __u32                           rule_locs[0];
 };
 
+struct ethtool_rx_ntuple_flow_spec {
+        __u32            flow_type;
+        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 */
+
+        __u16           vlan_tag;
+        __u16           vlan_tag_mask;
+        __u64           data;      /* user-defined flow spec data */
+        __u64           data_mask; /* user-defined flow spec mask */
+
+        /* signed to distinguish between queue and actions (DROP) */
+        __s32           action;
+#define ETHTOOL_RXNTUPLE_ACTION_DROP -1
+};
+
+struct ethtool_rx_ntuple {
+        __u32                                   cmd;
+        struct ethtool_rx_ntuple_flow_spec      fs;
+};
+
 #define ETHTOOL_FLASH_MAX_FILENAME      128
 enum ethtool_flash_op_type {
         ETHTOOL_FLASH_ALL_REGIONS       = 0,
@@ -377,6 +409,18 @@ struct ethtool_flash {
 
 #ifdef __KERNEL__
 
+struct ethtool_rx_ntuple_flow_spec_container {
+        struct ethtool_rx_ntuple_flow_spec fs;
+        struct list_head list;
+};
+
+struct ethtool_rx_ntuple_list {
+#define ETHTOOL_MAX_NTUPLE_LIST_ENTRY 1024
+#define ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY 14
+        struct list_head        list;
+        unsigned int            count;
+};
+
 struct net_device;
 
 /* Some generic methods drivers may use in their ethtool_ops */
@@ -394,6 +438,7 @@ u32 ethtool_op_get_ufo(struct net_device *dev);
 int ethtool_op_set_ufo(struct net_device *dev, u32 data);
 u32 ethtool_op_get_flags(struct net_device *dev);
 int ethtool_op_set_flags(struct net_device *dev, u32 data);
+void ethtool_ntuple_flush(struct net_device *dev);
 
 /**
  * &ethtool_ops - Alter and report network device settings
@@ -500,6 +545,8 @@ struct ethtool_ops {
         int     (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
         int     (*flash_device)(struct net_device *, struct ethtool_flash *);
         int     (*reset)(struct net_device *, u32 *);
+        int     (*set_rx_ntuple)(struct net_device *, struct ethtool_rx_ntuple *);
+        int     (*get_rx_ntuple)(struct net_device *, u32 stringset, void *);
 };
 #endif /* __KERNEL__ */
 
@@ -559,6 +606,9 @@ struct ethtool_ops {
 #define ETHTOOL_FLASHDEV        0x00000033 /* Flash firmware to device */
 #define ETHTOOL_RESET           0x00000034 /* Reset hardware */
 
+#define ETHTOOL_SRXNTUPLE       0x00000035 /* Add an n-tuple filter to device */
+#define ETHTOOL_GRXNTUPLE       0x00000036 /* Get n-tuple filters from device */
+
 /* compatibility with older code */
 #define SPARC_ETH_GSET          ETHTOOL_GSET
 #define SPARC_ETH_SSET          ETHTOOL_SSET
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e535700a3b72..cdf53a8d9ff5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -746,6 +746,7 @@ struct net_device {
 #define NETIF_F_FCOE_CRC        (1 << 24) /* FCoE CRC32 */
 #define NETIF_F_SCTP_CSUM       (1 << 25) /* SCTP checksum offload */
 #define NETIF_F_FCOE_MTU        (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/
+#define NETIF_F_NTUPLE          (1 << 27) /* N-tuple filters supported */
 
         /* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT       16
@@ -954,6 +955,8 @@ struct net_device {
         /* max exchange id for FCoE LRO by ddp */
         unsigned int            fcoe_ddp_xid;
 #endif
+        /* n-tuple filter list attached to this device */
+        struct ethtool_rx_ntuple_list ethtool_ntuple_list;
 };
 #define to_net_dev(d) container_of(d, struct net_device, dev)