Add more ipv6 macros.

---
 bits/in.h |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/bits/in.h
+++ b/bits/in.h
@@ -50,7 +50,7 @@
 
 /* IPV6 socket options.  */
 #define IPV6_ADDRFORM		1
-#define IPV6_RXINFO		2
+#define IPV6_PKTINFO		2
 #define IPV6_HOPOPTS		3
 #define IPV6_DSTOPTS		4
 #define IPV6_RTHDR		5
@@ -58,8 +58,9 @@
 #define IPV6_CHECKSUM		7
 #define IPV6_HOPLIMIT		8
 
-#define IPV6_TXINFO		IPV6_RXINFO
-#define SCM_SRCINFO		IPV6_TXINFO
+#define IPV6_RXINFO		IPV6_PKTINFO
+#define IPV6_TXINFO		IPV6_PKTINFO
+#define SCM_SRCINFO		IPV6_PKTINFO
 #define SCM_SRCRT		IPV6_RXSRCRT
 
 #define IPV6_UNICAST_HOPS	16