*: simplify Ethernet header includes

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

include/platform.h

@@ -332,8 +332,8 @@ typedef unsigned smalluint;
 
 /* ---- Who misses what? ------------------------------------ */
 
-/* Assume all these functions exist by default.  Platforms where it is not
- * true will #undef them below.
+/* Assume all these functions and header files exist by default.
+ * Platforms where it is not true will #undef them below.
  */
 #define HAVE_CLEARENV 1
 #define HAVE_FDATASYNC 1
@@ -349,9 +349,14 @@ typedef unsigned smalluint;
 #define HAVE_STRSEP 1
 #define HAVE_STRSIGNAL 1
 #define HAVE_VASPRINTF 1
-#define HAVE_MNTENT_H 1
-#define HAVE_SYS_STATFS_H 1
 #define HAVE_XTABS 1
+#define HAVE_MNTENT_H 1
+#define HAVE_NET_ETHERNET_H 1
+#define HAVE_SYS_STATFS_H 1
+
+#if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 1)
+# undef HAVE_NET_ETHERNET_H
+#endif
 
 #if defined(__dietlibc__)
 # undef HAVE_STRCHRNUL
@@ -368,6 +373,7 @@ typedef unsigned smalluint;
 # undef HAVE_STRSEP
 # undef HAVE_STRSIGNAL
 # undef HAVE_VASPRINTF
+# undef HAVE_NET_ETHERNET_H
 #endif
 
 #if defined(__FreeBSD__)
@@ -395,6 +401,7 @@ typedef unsigned smalluint;
 # undef HAVE_DPRINTF
 # undef HAVE_STPCPY
 # undef HAVE_STRCHRNUL
+# undef HAVE_NET_ETHERNET_H
 #endif
 
 /*

networking/ether-wake.c

@@ -74,13 +74,11 @@
 //usage:     "\n	-i iface	Interface to use (default eth0)"
 //usage:     "\n	-p pass		Append four or six byte password PW to the packet"
 
+#include "libbb.h"
 #include <netpacket/packet.h>
-#include <net/ethernet.h>
 #include <netinet/ether.h>
 #include <linux/if.h>
 
-#include "libbb.h"
-
 /* Note: PF_INET, SOCK_DGRAM, IPPROTO_UDP would allow SIOCGIFHWADDR to
  * work as non-root, but we need SOCK_PACKET to specify the Ethernet
  * destination address.

networking/ifconfig.c

@@ -46,18 +46,14 @@
 //usage:       "	[mem_start NN] [io_addr NN] [irq NN]\n")
 //usage:       "	[up|down] ..."
 
+#include "libbb.h"
+#include "inet_common.h"
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <netinet/in.h>
-#if defined(__GLIBC__) && __GLIBC__ >=2 && __GLIBC_MINOR__ >= 1
-#include <netpacket/packet.h>
-#include <net/ethernet.h>
-#else
-#include <sys/types.h>
-#include <netinet/if_ether.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
 #endif
-#include "libbb.h"
-#include "inet_common.h"
 
 #if ENABLE_FEATURE_IFCONFIG_SLIP
 # include <net/if_slip.h>

networking/ifplugd.c

@@ -37,7 +37,9 @@
 #include <linux/if.h>
 #include <linux/mii.h>
 #include <linux/ethtool.h>
-#include <net/ethernet.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
+#endif
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 #include <linux/sockios.h>

networking/interface.c

@@ -30,15 +30,14 @@
  *	    20001008 - Bernd Eckenfels, Patch from RH for setting mtu
  *			(default AF was wrong)
  */
-#include <net/if.h>
-#include <net/if_arp.h>
-#ifndef __UCLIBC__
-# include <net/ethernet.h>
-#else
-# include <linux/if_ether.h>
-#endif
+
 #include "libbb.h"
 #include "inet_common.h"
+#include <net/if.h>
+#include <net/if_arp.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
+#endif
 
 #if ENABLE_FEATURE_HWIB
 /* #include <linux/if_infiniband.h> */

networking/libiproute/ll_proto.c

@@ -12,11 +12,7 @@
 #include "rt_names.h"
 #include "utils.h"
 
-#if defined(__GLIBC__) && __GLIBC__ >=2 && __GLIBC_MINOR__ >= 1
-#include <net/ethernet.h>
-#else
-#include <linux/if_ether.h>
-#endif
+#include <netinet/if_ether.h>
 
 #if !ENABLE_WERROR
 #warning de-bloat

networking/udhcp/dhcpc.c

@@ -25,14 +25,8 @@
 #include "dhcpd.h"
 #include "dhcpc.h"
 
-#include <asm/types.h>
-#if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(_NEWLIB_VERSION)
-# include <netpacket/packet.h>
-# include <net/ethernet.h>
-#else
-# include <linux/if_packet.h>
-# include <linux/if_ether.h>
-#endif
+#include <netinet/if_ether.h>
+#include <netpacket/packet.h>
 #include <linux/filter.h>
 
 /* struct client_config_t client_config is in bb_common_bufsiz1 */

networking/udhcp/packet.c

@@ -6,18 +6,11 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
-#include <netinet/in.h>
-#if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined _NEWLIB_VERSION
-# include <netpacket/packet.h>
-# include <net/ethernet.h>
-#else
-# include <asm/types.h>
-# include <linux/if_packet.h>
-# include <linux/if_ether.h>
-#endif
-
 #include "common.h"
 #include "dhcpd.h"
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <netpacket/packet.h>
 
 void FAST_FUNC udhcp_init_header(struct dhcp_packet *packet, char type)
 {

networking/udhcp/socket.c

@@ -22,17 +22,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <net/if.h>
-#if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined _NEWLIB_VERSION
-# include <netpacket/packet.h>
-# include <net/ethernet.h>
-#else
-# include <asm/types.h>
-# include <linux/if_packet.h>
-# include <linux/if_ether.h>
-#endif
-
 #include "common.h"
+#include <net/if.h>
 
 int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t *nip, uint8_t *mac)
 {

networking/zcip.c

@@ -35,14 +35,12 @@
 //usage:     "\nWith no -q, runs continuously monitoring for ARP conflicts,"
 //usage:     "\nexits only on I/O errors (link down etc)"
 
+#include "libbb.h"
 #include <netinet/ether.h>
-#include <net/ethernet.h>
 #include <net/if.h>
 #include <net/if_arp.h>
-#include <linux/if_packet.h>
 #include <linux/sockios.h>
 
-#include "libbb.h"
 #include <syslog.h>
 
 /* We don't need more than 32 bits of the counter */