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D21240.id60761.diff
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Index: sys/net/ethernet.h
===================================================================
--- sys/net/ethernet.h
+++ sys/net/ethernet.h
@@ -74,6 +74,9 @@
#define ETHER_IS_BROADCAST(addr) \
(((addr)[0] & (addr)[1] & (addr)[2] & \
(addr)[3] & (addr)[4] & (addr)[5]) == 0xff)
+#define ETHER_IS_ZERO(addr) \
+ (((addr)[0] | (addr)[1] | (addr)[2] | \
+ (addr)[3] | (addr)[4] | (addr)[5]) == 0x00)
/*
* 802.1q Virtual LAN header.
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D21240.id60761.diff (442 B)
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D21240: net: add ETHER_IS_ZERO macro similar to ETHER_IS_BROADCAST
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