diff --git a/libc/kernel/common/linux/ethtool.h b/libc/kernel/common/linux/ethtool.h
index 7a5b3cd..5dc9921 100644
--- a/libc/kernel/common/linux/ethtool.h
+++ b/libc/kernel/common/linux/ethtool.h
@@ -7,315 +7,339 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _LINUX_ETHTOOL_H
 #define _LINUX_ETHTOOL_H
-
 #include <linux/types.h>
-
 struct ethtool_cmd {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 cmd;
  __u32 supported;
  __u32 advertising;
  __u16 speed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 duplex;
  __u8 port;
  __u8 phy_address;
  __u8 transceiver;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 autoneg;
  __u32 maxtxpkt;
  __u32 maxrxpkt;
  __u16 speed_hi;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 reserved2;
  __u32 reserved[3];
 };
-
 #define ETHTOOL_BUSINFO_LEN 32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ethtool_drvinfo {
  __u32 cmd;
  char driver[32];
  char version[32];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char fw_version[32];
  char bus_info[ETHTOOL_BUSINFO_LEN];
  char reserved1[32];
  char reserved2[12];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 n_priv_flags;
  __u32 n_stats;
  __u32 testinfo_len;
  __u32 eedump_len;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 regdump_len;
 };
-																
 #define SOPASS_MAX 6
-
 struct ethtool_wolinfo {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 cmd;
  __u32 supported;
  __u32 wolopts;
  __u8 sopass[SOPASS_MAX];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct ethtool_value {
  __u32 cmd;
  __u32 data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct ethtool_regs {
  __u32 cmd;
  __u32 version;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 len;
  __u8 data[0];
 };
-
 struct ethtool_eeprom {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 cmd;
  __u32 magic;
  __u32 offset;
  __u32 len;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 data[0];
 };
-
 struct ethtool_coalesce {
  __u32 cmd;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 rx_coalesce_usecs;
-
  __u32 rx_max_coalesced_frames;
-
  __u32 rx_coalesce_usecs_irq;
  __u32 rx_max_coalesced_frames_irq;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 tx_coalesce_usecs;
-
  __u32 tx_max_coalesced_frames;
-
  __u32 tx_coalesce_usecs_irq;
  __u32 tx_max_coalesced_frames_irq;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 stats_block_coalesce_usecs;
-
  __u32 use_adaptive_rx_coalesce;
  __u32 use_adaptive_tx_coalesce;
-
  __u32 pkt_rate_low;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 rx_coalesce_usecs_low;
  __u32 rx_max_coalesced_frames_low;
  __u32 tx_coalesce_usecs_low;
  __u32 tx_max_coalesced_frames_low;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 pkt_rate_high;
  __u32 rx_coalesce_usecs_high;
  __u32 rx_max_coalesced_frames_high;
  __u32 tx_coalesce_usecs_high;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 tx_max_coalesced_frames_high;
-
  __u32 rate_sample_interval;
 };
-
 struct ethtool_ringparam {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 cmd;
-
  __u32 rx_max_pending;
  __u32 rx_mini_max_pending;
  __u32 rx_jumbo_max_pending;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 tx_max_pending;
-
  __u32 rx_pending;
  __u32 rx_mini_pending;
  __u32 rx_jumbo_pending;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 tx_pending;
 };
-
 struct ethtool_pauseparam {
  __u32 cmd;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 autoneg;
  __u32 rx_pause;
  __u32 tx_pause;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETH_GSTRING_LEN 32
 enum ethtool_stringset {
  ETH_SS_TEST = 0,
  ETH_SS_STATS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ETH_SS_PRIV_FLAGS,
 };
-
 struct ethtool_gstrings {
  __u32 cmd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 string_set;
  __u32 len;
  __u8 data[0];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum ethtool_test_flags {
  ETH_TEST_FL_OFFLINE = (1 << 0),
  ETH_TEST_FL_FAILED = (1 << 1),
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ethtool_test {
  __u32 cmd;
  __u32 flags;
  __u32 reserved;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 len;
  __u64 data[0];
 };
-
 struct ethtool_stats {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 cmd;
  __u32 n_stats;
  __u64 data[0];
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ethtool_perm_addr {
  __u32 cmd;
  __u32 size;
  __u8 data[0];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 enum ethtool_flags {
  ETH_FLAG_LRO = (1 << 15),
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ethtool_rxnfc {
  __u32 cmd;
  __u32 flow_type;
  __u64 data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define ETHTOOL_GSET 0x00000001  
 #define ETHTOOL_SSET 0x00000002  
 #define ETHTOOL_GDRVINFO 0x00000003  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_GREGS 0x00000004  
 #define ETHTOOL_GWOL 0x00000005  
 #define ETHTOOL_SWOL 0x00000006  
 #define ETHTOOL_GMSGLVL 0x00000007  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_SMSGLVL 0x00000008  
 #define ETHTOOL_NWAY_RST 0x00000009  
 #define ETHTOOL_GLINK 0x0000000a  
 #define ETHTOOL_GEEPROM 0x0000000b  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_SEEPROM 0x0000000c  
 #define ETHTOOL_GCOALESCE 0x0000000e  
 #define ETHTOOL_SCOALESCE 0x0000000f  
 #define ETHTOOL_GRINGPARAM 0x00000010  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_SRINGPARAM 0x00000011  
 #define ETHTOOL_GPAUSEPARAM 0x00000012  
 #define ETHTOOL_SPAUSEPARAM 0x00000013  
 #define ETHTOOL_GRXCSUM 0x00000014  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_SRXCSUM 0x00000015  
 #define ETHTOOL_GTXCSUM 0x00000016  
 #define ETHTOOL_STXCSUM 0x00000017  
 #define ETHTOOL_GSG 0x00000018  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_SSG 0x00000019  
 #define ETHTOOL_TEST 0x0000001a  
 #define ETHTOOL_GSTRINGS 0x0000001b  
 #define ETHTOOL_PHYS_ID 0x0000001c  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_GSTATS 0x0000001d  
 #define ETHTOOL_GTSO 0x0000001e  
 #define ETHTOOL_STSO 0x0000001f  
 #define ETHTOOL_GPERMADDR 0x00000020  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_GUFO 0x00000021  
 #define ETHTOOL_SUFO 0x00000022  
 #define ETHTOOL_GGSO 0x00000023  
 #define ETHTOOL_SGSO 0x00000024  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_GFLAGS 0x00000025  
 #define ETHTOOL_SFLAGS 0x00000026  
 #define ETHTOOL_GPFLAGS 0x00000027  
 #define ETHTOOL_SPFLAGS 0x00000028  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ETHTOOL_GRXFH 0x00000029  
 #define ETHTOOL_SRXFH 0x0000002a  
 #define ETHTOOL_GGRO 0x0000002b  
 #define ETHTOOL_SGRO 0x0000002c  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SPARC_ETH_GSET ETHTOOL_GSET
 #define SPARC_ETH_SSET ETHTOOL_SSET
-
 #define SUPPORTED_10baseT_Half (1 << 0)
 #define SUPPORTED_10baseT_Full (1 << 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_100baseT_Half (1 << 2)
 #define SUPPORTED_100baseT_Full (1 << 3)
 #define SUPPORTED_1000baseT_Half (1 << 4)
 #define SUPPORTED_1000baseT_Full (1 << 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_Autoneg (1 << 6)
 #define SUPPORTED_TP (1 << 7)
 #define SUPPORTED_AUI (1 << 8)
 #define SUPPORTED_MII (1 << 9)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_FIBRE (1 << 10)
 #define SUPPORTED_BNC (1 << 11)
 #define SUPPORTED_10000baseT_Full (1 << 12)
 #define SUPPORTED_Pause (1 << 13)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SUPPORTED_Asym_Pause (1 << 14)
 #define SUPPORTED_2500baseX_Full (1 << 15)
-
 #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)
 #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)
 #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)
 #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)
-
 #define SPEED_10 10
 #define SPEED_100 100
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SPEED_1000 1000
 #define SPEED_2500 2500
 #define SPEED_10000 10000
-
 #define DUPLEX_HALF 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DUPLEX_FULL 0x01
-
 #define PORT_TP 0x00
 #define PORT_AUI 0x01
 #define PORT_MII 0x02
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PORT_FIBRE 0x03
 #define PORT_BNC 0x04
-
 #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
 #define XCVR_DUMMY3 0x04
-
 #define AUTONEG_DISABLE 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUTONEG_ENABLE 0x01
-
 #define WAKE_PHY (1 << 0)
 #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)
 #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
 #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
 #define SCTP_V6_FLOW 0x07
 #define AH_ESP_V6_FLOW 0x08
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_DEV_PORT (1 << 0)
 #define RXH_L2DA (1 << 1)
 #define RXH_VLAN (1 << 2)
 #define RXH_L3_PROTO (1 << 3)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_IP_SRC (1 << 4)
 #define RXH_IP_DST (1 << 5)
 #define RXH_L4_B_0_1 (1 << 6)  
 #define RXH_L4_B_2_3 (1 << 7)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RXH_DISCARD (1 << 31)
-
 #endif
-