101 lines
3 KiB
Diff
101 lines
3 KiB
Diff
--- a/include/linux-private/linux/if_ether.h
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+++ b/include/linux-private/linux/if_ether.h
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@@ -22,6 +22,7 @@
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#define _LINUX_IF_ETHER_H
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#include <linux/types.h>
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+#include <linux/libc-compat.h>
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/*
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* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
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@@ -117,10 +118,12 @@
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* This is an Ethernet frame header.
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*/
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+#if __UAPI_DEF_ETHHDR
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struct ethhdr {
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unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
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unsigned char h_source[ETH_ALEN]; /* source ether addr */
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__be16 h_proto; /* packet type ID field */
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} __attribute__((packed));
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+#endif
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#endif /* _LINUX_IF_ETHER_H */
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--- a/include/linux-private/linux/libc-compat.h
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+++ b/include/linux-private/linux/libc-compat.h
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@@ -48,10 +48,18 @@
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#ifndef _LIBC_COMPAT_H
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#define _LIBC_COMPAT_H
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-/* We have included glibc headers... */
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-#if defined(__GLIBC__)
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+/* We're used from userspace... */
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+#if !defined(__KERNEL__)
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-/* Coordinate with glibc netinet/in.h header. */
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+/* Coordinate with libc netinet/if_ether.h */
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+#ifdef _NETINET_IF_ETHER_H /* musl */
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+#define __UAPI_DEF_ETHHDR 0
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+#else
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+/* glibc uses __NETINET_IF_ETHER_H, and uses the uapi header. */
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+#define __UAPI_DEF_ETHHDR 1
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+#endif
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+
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+/* Coordinate with libc netinet/in.h header. */
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#if defined(_NETINET_IN_H)
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/* GLIBC headers included first so don't define anything
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@@ -64,15 +72,7 @@
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#define __UAPI_DEF_IN_CLASS 0
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#define __UAPI_DEF_IN6_ADDR 0
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-/* The exception is the in6_addr macros which must be defined
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- * if the glibc code didn't define them. This guard matches
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- * the guard in glibc/inet/netinet/in.h which defines the
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- * additional in6_addr macros e.g. s6_addr16, and s6_addr32. */
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-#if defined(__USE_MISC) || defined (__USE_GNU)
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#define __UAPI_DEF_IN6_ADDR_ALT 0
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-#else
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-#define __UAPI_DEF_IN6_ADDR_ALT 1
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-#endif
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#define __UAPI_DEF_SOCKADDR_IN6 0
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#define __UAPI_DEF_IPV6_MREQ 0
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#define __UAPI_DEF_IPPROTO_V6 0
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@@ -83,7 +83,7 @@
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#else
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/* Linux headers included first, and we must define everything
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- * we need. The expectation is that glibc will check the
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+ * we need. The expectation is that libc will check the
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* __UAPI_DEF_* defines and adjust appropriately. */
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#define __UAPI_DEF_IN_ADDR 1
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#define __UAPI_DEF_IN_IPPROTO 1
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@@ -93,7 +93,7 @@
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#define __UAPI_DEF_IN_CLASS 1
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#define __UAPI_DEF_IN6_ADDR 1
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-/* We unconditionally define the in6_addr macros and glibc must
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+/* We unconditionally define the in6_addr macros and libc must
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* coordinate. */
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#define __UAPI_DEF_IN6_ADDR_ALT 1
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#define __UAPI_DEF_SOCKADDR_IN6 1
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@@ -115,7 +115,10 @@
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/* If we did not see any headers from any supported C libraries,
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* or we are being included in the kernel, then define everything
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* that we need. */
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-#else /* !defined(__GLIBC__) */
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+#else /* defined(__KERNEL__) */
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+
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+/* Definitions for if/ether.h */
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+#define __UAPI_DEF_ETHHDR 1
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/* Definitions for in.h */
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#define __UAPI_DEF_IN_ADDR 1
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@@ -138,6 +141,6 @@
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/* Definitions for xattr.h */
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#define __UAPI_DEF_XATTR 1
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-#endif /* __GLIBC__ */
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+#endif /* defined(__KERNEL__) */
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#endif /* _LIBC_COMPAT_H */
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