ethtool: Add generic options for tunables

[cascardo/linux.git] / include / uapi / linux / ethtool.h

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index e3c7a71..7a364f2 100644 (file)
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -209,6 +209,32 @@ struct ethtool_value {
        __u32   data;
 };
 
+enum tunable_id {
+       ETHTOOL_ID_UNSPEC,
+       ETHTOOL_RX_COPYBREAK,
+};
+
+enum tunable_type_id {
+       ETHTOOL_TUNABLE_UNSPEC,
+       ETHTOOL_TUNABLE_U8,
+       ETHTOOL_TUNABLE_U16,
+       ETHTOOL_TUNABLE_U32,
+       ETHTOOL_TUNABLE_U64,
+       ETHTOOL_TUNABLE_STRING,
+       ETHTOOL_TUNABLE_S8,
+       ETHTOOL_TUNABLE_S16,
+       ETHTOOL_TUNABLE_S32,
+       ETHTOOL_TUNABLE_S64,
+};
+
+struct ethtool_tunable {
+       __u32   cmd;
+       __u32   id;
+       __u32   type_id;
+       __u32   len;
+       void    *data[0];
+};
+
 /**
  * struct ethtool_regs - hardware register dump
  * @cmd: Command number = %ETHTOOL_GREGS
@@ -1152,6 +1178,8 @@ enum ethtool_sfeatures_retval_bits {
 
 #define ETHTOOL_GRSSH          0x00000046 /* Get RX flow hash configuration */
 #define ETHTOOL_SRSSH          0x00000047 /* Set RX flow hash configuration */
+#define ETHTOOL_GTUNABLE       0x00000048 /* Get tunable configuration */
+#define ETHTOOL_STUNABLE       0x00000049 /* Set tunable configuration */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET         ETHTOOL_GSET