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authorMartin Mares <mj@ucw.cz>1998-05-26 23:36:48 +0200
committerMartin Mares <mj@ucw.cz>1998-05-26 23:36:48 +0200
commitd5417b379f05541418fb4f1ac87100ba8106b0c6 (patch)
tree8a16ddc3f0ae0aa6942d4e4017f4f07159f9398d
parent5222c46ceb8035f2292c3a91f6ee85fbbed82c5e (diff)
downloadbird-d5417b379f05541418fb4f1ac87100ba8106b0c6.tar
bird-d5417b379f05541418fb4f1ac87100ba8106b0c6.zip
Added ipa_opposite().
-rw-r--r--lib/ipv4.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/ipv4.h b/lib/ipv4.h
index de9f4e5..add406b 100644
--- a/lib/ipv4.h
+++ b/lib/ipv4.h
@@ -51,6 +51,7 @@ typedef u32 ip_addr;
#define ipa_hton(x) x = _MI(htonl(_I(x)))
#define ipa_ntoh(x) x = _MI(ntohl(_I(x)))
#define ipa_classify(x) ipv4_classify(_I(x))
+#define ipa_opposite(x) _MI(_I(x) ^ 1)
int ipv4_classify(u32);