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authorPhil Sutter <phil@nwl.cc>2026-02-14 15:54:06 +0100
committerFlorian Westphal <fw@strlen.de>2026-02-17 15:04:20 +0100
commit4edd4ba71ce0df015303dba75ea9d20d1a217546 (patch)
tree1e4ee50acd41830cc3065cca93e5905bf9247c2a /include/uapi/linux
parenta6d28eb8efe96b3e35c92efdf1bfacb0cccf541f (diff)
include: uapi: netfilter_bridge.h: Cover for musl libc
Musl defines its own struct ethhdr and thus defines __UAPI_DEF_ETHHDR to zero. To avoid struct redefinition errors, user space is therefore supposed to include netinet/if_ether.h before (or instead of) linux/if_ether.h. To relieve them from this burden, include the libc header here if not building for kernel space. Reported-by: Alyssa Ross <hi@alyssa.is> Suggested-by: Florian Westphal <fw@strlen.de> Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/netfilter_bridge.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter_bridge.h b/include/uapi/linux/netfilter_bridge.h
index f6e8d1e05c97..758de72b2764 100644
--- a/include/uapi/linux/netfilter_bridge.h
+++ b/include/uapi/linux/netfilter_bridge.h
@@ -5,6 +5,10 @@
/* bridge-specific defines for netfilter.
*/
+#ifndef __KERNEL__
+#include <netinet/if_ether.h> /* for __UAPI_DEF_ETHHDR if defined */
+#endif
+
#include <linux/in.h>
#include <linux/netfilter.h>
#include <linux/if_ether.h>