Increase size of ifnet.if_flags from 16 bits (short) to 32 bits (int). To avoid

breaking application ABI use unused ifreq.ifru_flags[1] for upper 16 bits in
SIOCSIFFLAGS and SIOCGIFFLAGS ioctl's.

Reviewed by:	-hackers, -net

1 files changed, 9 insertions, 8 deletions

diff --git a/share/man/man4/netintro.4 b/share/man/man4/netintro.4
index 97ba82b..dc869ba 100644
--- a/share/man/man4/netintro.4
+++ b/share/man/man4/netintro.4
@@ -197,20 +197,21 @@ struct	ifreq {
         struct    sockaddr ifru_addr;
         struct    sockaddr ifru_dstaddr;
         struct    sockaddr ifru_broadaddr;
-        short     ifru_flags;
+        short     ifru_flags[2];
         int       ifru_metric;
         int       ifru_mtu;
         int       ifru_phys;
         caddr_t   ifru_data;
     } ifr_ifru;
-#define ifr_addr      ifr_ifru.ifru_addr    /* address */
-#define ifr_dstaddr   ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
+#define ifr_addr      ifr_ifru.ifru_addr      /* address */
+#define ifr_dstaddr   ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
 #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
-#define ifr_flags     ifr_ifru.ifru_flags   /* flags */
-#define ifr_metric    ifr_ifru.ifru_metric  /* metric */
-#define ifr_mtu       ifr_ifru.ifru_mtu     /* mtu */
-#define ifr_phys      ifr_ifru.ifru_phys    /* physical wire */
-#define ifr_data      ifr_ifru.ifru_data    /* for use by interface */
+#define ifr_flags     ifr_ifru.ifru_flags[0]  /* flags (low 16 bits) */
+#define ifr_flagshigh ifr_ifru.ifru_flags[1]  /* flags (high 16 bits) */
+#define ifr_metric    ifr_ifru.ifru_metric    /* metric */
+#define ifr_mtu       ifr_ifru.ifru_mtu       /* mtu */
+#define ifr_phys      ifr_ifru.ifru_phys      /* physical wire */
+#define ifr_data      ifr_ifru.ifru_data      /* for use by interface */
 };
 .Ed
 .Pp