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ip/ipconfig: call mklladdr() to get conf.hwa initialized for ipv6

--- a/sys/src/cmd/ip/ipconfig/ipconfig.h

+++ b/sys/src/cmd/ip/ipconfig/ipconfig.h

@@ -121,6 +121,7 @@

 void	adddefroute(uchar*, uchar*, uchar*, uchar*);

 void	removedefroute(int, uchar*, uchar*);

+void	mklladdr(void);

 long	jitter(void);

 void	procsetname(char *fmt, ...);

 void	catch(void*, char*);

--- a/sys/src/cmd/ip/ipconfig/ipv6.c

+++ b/sys/src/cmd/ip/ipconfig/ipv6.c

@@ -1139,6 +1139,8 @@

 {

 	static char routeon[] = "iprouting 1";

+	mklladdr();

+

 	if(conf.recvra > 0)

 		recvra6();

--- a/sys/src/cmd/ip/ipconfig/main.c

+++ b/sys/src/cmd/ip/ipconfig/main.c

@@ -392,8 +392,8 @@

 		}

 		doadd();

 		break;

-	case Vaddpref6:

 	case Vra6:

+	case Vaddpref6:

 		doipv6(action);

 		break;

 	case Vremove:

@@ -413,7 +413,7 @@

 }

 /* create link local address */

-static void

+void

 mklladdr(void)

 {

 	if(isether() && myetheraddr(conf.hwa, conf.dev) == 0){