diff --git a/libc/kernel/uapi/linux/ethtool.h b/libc/kernel/uapi/linux/ethtool.h
index b808f0d..69beb70 100644
--- a/libc/kernel/uapi/linux/ethtool.h
+++ b/libc/kernel/uapi/linux/ethtool.h
@@ -81,6 +81,36 @@
  __u32 data;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum tunable_id {
+ ETHTOOL_ID_UNSPEC,
+ ETHTOOL_RX_COPYBREAK,
+ ETHTOOL_TX_COPYBREAK,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+enum tunable_type_id {
+ ETHTOOL_TUNABLE_UNSPEC,
+ ETHTOOL_TUNABLE_U8,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ ETHTOOL_TUNABLE_U16,
+ ETHTOOL_TUNABLE_U32,
+ ETHTOOL_TUNABLE_U64,
+ ETHTOOL_TUNABLE_STRING,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ ETHTOOL_TUNABLE_S8,
+ ETHTOOL_TUNABLE_S16,
+ ETHTOOL_TUNABLE_S32,
+ ETHTOOL_TUNABLE_S64,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct ethtool_tunable {
+ __u32 cmd;
+ __u32 id;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 type_id;
+ __u32 len;
+ void *data[0];
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ethtool_regs {
  __u32 cmd;
  __u32 version;
@@ -519,178 +549,181 @@
 #define ETHTOOL_SEEE 0x00000045
 #define ETHTOOL_GRSSH 0x00000046
 #define ETHTOOL_SRSSH 0x00000047
-#define SPARC_ETH_GSET ETHTOOL_GSET
+#define ETHTOOL_GTUNABLE 0x00000048
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define ETHTOOL_STUNABLE 0x00000049
+#define SPARC_ETH_GSET ETHTOOL_GSET
 #define SPARC_ETH_SSET ETHTOOL_SSET
 #define SUPPORTED_10baseT_Half (1 << 0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_10baseT_Full (1 << 1)
 #define SUPPORTED_100baseT_Half (1 << 2)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_100baseT_Full (1 << 3)
 #define SUPPORTED_1000baseT_Half (1 << 4)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_1000baseT_Full (1 << 5)
 #define SUPPORTED_Autoneg (1 << 6)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_TP (1 << 7)
 #define SUPPORTED_AUI (1 << 8)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_MII (1 << 9)
 #define SUPPORTED_FIBRE (1 << 10)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_BNC (1 << 11)
 #define SUPPORTED_10000baseT_Full (1 << 12)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_Pause (1 << 13)
 #define SUPPORTED_Asym_Pause (1 << 14)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_2500baseX_Full (1 << 15)
 #define SUPPORTED_Backplane (1 << 16)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_1000baseKX_Full (1 << 17)
 #define SUPPORTED_10000baseKX4_Full (1 << 18)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_10000baseKR_Full (1 << 19)
 #define SUPPORTED_10000baseR_FEC (1 << 20)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_20000baseMLD2_Full (1 << 21)
 #define SUPPORTED_20000baseKR2_Full (1 << 22)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_40000baseKR4_Full (1 << 23)
 #define SUPPORTED_40000baseCR4_Full (1 << 24)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_40000baseSR4_Full (1 << 25)
 #define SUPPORTED_40000baseLR4_Full (1 << 26)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_10baseT_Half (1 << 0)
 #define ADVERTISED_10baseT_Full (1 << 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_100baseT_Half (1 << 2)
 #define ADVERTISED_100baseT_Full (1 << 3)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_1000baseT_Half (1 << 4)
 #define ADVERTISED_1000baseT_Full (1 << 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_Autoneg (1 << 6)
 #define ADVERTISED_TP (1 << 7)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_AUI (1 << 8)
 #define ADVERTISED_MII (1 << 9)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_FIBRE (1 << 10)
 #define ADVERTISED_BNC (1 << 11)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_10000baseT_Full (1 << 12)
 #define ADVERTISED_Pause (1 << 13)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_Asym_Pause (1 << 14)
 #define ADVERTISED_2500baseX_Full (1 << 15)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_Backplane (1 << 16)
 #define ADVERTISED_1000baseKX_Full (1 << 17)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_10000baseKX4_Full (1 << 18)
 #define ADVERTISED_10000baseKR_Full (1 << 19)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_10000baseR_FEC (1 << 20)
 #define ADVERTISED_20000baseMLD2_Full (1 << 21)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_20000baseKR2_Full (1 << 22)
 #define ADVERTISED_40000baseKR4_Full (1 << 23)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_40000baseCR4_Full (1 << 24)
 #define ADVERTISED_40000baseSR4_Full (1 << 25)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ADVERTISED_40000baseLR4_Full (1 << 26)
 #define SPEED_10 10
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SPEED_100 100
 #define SPEED_1000 1000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SPEED_2500 2500
 #define SPEED_10000 10000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SPEED_UNKNOWN -1
 #define DUPLEX_HALF 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DUPLEX_FULL 0x01
 #define DUPLEX_UNKNOWN 0xff
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PORT_TP 0x00
 #define PORT_AUI 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PORT_MII 0x02
 #define PORT_FIBRE 0x03
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PORT_BNC 0x04
 #define PORT_DA 0x05
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PORT_NONE 0xef
 #define PORT_OTHER 0xff
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define XCVR_INTERNAL 0x00
 #define XCVR_EXTERNAL 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define XCVR_DUMMY1 0x02
 #define XCVR_DUMMY2 0x03
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define XCVR_DUMMY3 0x04
 #define AUTONEG_DISABLE 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUTONEG_ENABLE 0x01
 #define ETH_TP_MDI_INVALID 0x00
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETH_TP_MDI 0x01
 #define ETH_TP_MDI_X 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETH_TP_MDI_AUTO 0x03
 #define WAKE_PHY (1 << 0)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define WAKE_UCAST (1 << 1)
 #define WAKE_MCAST (1 << 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define WAKE_BCAST (1 << 3)
 #define WAKE_ARP (1 << 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define WAKE_MAGIC (1 << 5)
 #define WAKE_MAGICSECURE (1 << 6)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TCP_V4_FLOW 0x01
 #define UDP_V4_FLOW 0x02
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SCTP_V4_FLOW 0x03
 #define AH_ESP_V4_FLOW 0x04
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TCP_V6_FLOW 0x05
 #define UDP_V6_FLOW 0x06
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SCTP_V6_FLOW 0x07
 #define AH_ESP_V6_FLOW 0x08
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AH_V4_FLOW 0x09
 #define ESP_V4_FLOW 0x0a
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AH_V6_FLOW 0x0b
 #define ESP_V6_FLOW 0x0c
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IP_USER_FLOW 0x0d
 #define IPV4_FLOW 0x10
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPV6_FLOW 0x11
 #define ETHER_FLOW 0x12
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FLOW_EXT 0x80000000
 #define FLOW_MAC_EXT 0x40000000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_L2DA (1 << 1)
 #define RXH_VLAN (1 << 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_L3_PROTO (1 << 3)
 #define RXH_IP_SRC (1 << 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_IP_DST (1 << 5)
 #define RXH_L4_B_0_1 (1 << 6)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_L4_B_2_3 (1 << 7)
 #define RXH_DISCARD (1 << 31)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RX_CLS_FLOW_DISC 0xffffffffffffffffULL
 #define RX_CLS_LOC_SPECIAL 0x80000000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RX_CLS_LOC_ANY 0xffffffff
 #define RX_CLS_LOC_FIRST 0xfffffffe
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RX_CLS_LOC_LAST 0xfffffffd
 #define ETH_MODULE_SFF_8079 0x1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETH_MODULE_SFF_8079_LEN 256
 #define ETH_MODULE_SFF_8472 0x2
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETH_MODULE_SFF_8472_LEN 512
 enum ethtool_reset_flags {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_RESET_MGMT = 1 << 0,
  ETH_RESET_IRQ = 1 << 1,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_RESET_DMA = 1 << 2,
  ETH_RESET_FILTER = 1 << 3,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_RESET_OFFLOAD = 1 << 4,
  ETH_RESET_MAC = 1 << 5,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_RESET_PHY = 1 << 6,
  ETH_RESET_RAM = 1 << 7,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_RESET_DEDICATED = 0x0000ffff,
  ETH_RESET_ALL = 0xffffffff,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define ETH_RESET_SHARED_SHIFT 16
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif