548182bc6d
Refreshed all patches. Compile-tested on: adm5120, adm8668, au1000, mcs814x, ppc40x, ppc44x, xburst Runtime-tested on: none Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From 649affd04813c43e0a72886517fcfccd63230981 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Mon, 29 Jun 2015 16:53:03 +0200
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Subject: uapi/if_ether.h: prevent redefinition of struct ethhdr
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Musl provides its own ethhdr struct definition. Add a guard to prevent
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its definition of the appropriate musl header has already been included.
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glibc does not implement this header, but when glibc will implement this
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they can just define __UAPI_DEF_ETHHDR 0 to make it work with the
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kernel.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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include/uapi/linux/if_ether.h | 3 +++
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include/uapi/linux/libc-compat.h | 6 ++++++
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2 files changed, 9 insertions(+)
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--- a/include/uapi/linux/if_ether.h
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+++ b/include/uapi/linux/if_ether.h
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@@ -22,6 +22,7 @@
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#define _UAPI_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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@@ -135,11 +136,13 @@
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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 /* _UAPI_LINUX_IF_ETHER_H */
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--- a/include/uapi/linux/libc-compat.h
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+++ b/include/uapi/linux/libc-compat.h
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@@ -161,4 +161,10 @@
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#endif /* __GLIBC__ */
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+/* Definitions for if_ether.h */
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+/* allow libcs like musl to deactivate this, glibc does not implement this. */
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+#ifndef __UAPI_DEF_ETHHDR
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+#define __UAPI_DEF_ETHHDR 1
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+#endif
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+
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#endif /* _UAPI_LIBC_COMPAT_H */
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