diff options
Diffstat (limited to 'system/easy-kernel/uapi-ether.patch')
| -rw-r--r-- | system/easy-kernel/uapi-ether.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/system/easy-kernel/uapi-ether.patch b/system/easy-kernel/uapi-ether.patch new file mode 100644 index 000000000..480b78e57 --- /dev/null +++ b/system/easy-kernel/uapi-ether.patch @@ -0,0 +1,60 @@ +From 6926e041a8920c8ec27e4e155efa760aa01551fd Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Wed, 3 Jan 2018 23:14:21 +0100 +Subject: [PATCH] uapi/if_ether.h: prevent redefinition of struct ethhdr + +Musl provides its own ethhdr struct definition. Add a guard to prevent +its definition of the appropriate musl header has already been included. + +glibc does not implement this header, but when glibc will implement this +they can just define __UAPI_DEF_ETHHDR 0 to make it work with the +kernel. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + include/uapi/linux/if_ether.h | 3 +++ + include/uapi/linux/libc-compat.h | 6 ++++++ + 2 files changed, 9 insertions(+) + +diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h +index 3ee3bf7c85262..144de4d2f385e 100644 +--- a/include/uapi/linux/if_ether.h ++++ b/include/uapi/linux/if_ether.h +@@ -23,6 +23,7 @@ + #define _UAPI_LINUX_IF_ETHER_H + + #include <linux/types.h> ++#include <linux/libc-compat.h> + + /* + * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble +@@ -149,11 +150,13 @@ + * This is an Ethernet frame header. + */ + ++#if __UAPI_DEF_ETHHDR + struct ethhdr { + unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ + unsigned char h_source[ETH_ALEN]; /* source ether addr */ + __be16 h_proto; /* packet type ID field */ + } __attribute__((packed)); ++#endif + + + #endif /* _UAPI_LINUX_IF_ETHER_H */ +diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h +index 8254c937c9f45..fc29efaa918cb 100644 +--- a/include/uapi/linux/libc-compat.h ++++ b/include/uapi/linux/libc-compat.h +@@ -264,4 +264,10 @@ + + #endif /* __GLIBC__ */ + ++/* Definitions for if_ether.h */ ++/* allow libcs like musl to deactivate this, glibc does not implement this. */ ++#ifndef __UAPI_DEF_ETHHDR ++#define __UAPI_DEF_ETHHDR 1 ++#endif ++ + #endif /* _UAPI_LIBC_COMPAT_H */ |