Update the description of struct ifreq, and document SIOC[SG]IFCAP.

1 files changed, 20 insertions, 0 deletions

diff --git a/share/man/man4/netintro.4 b/share/man/man4/netintro.4
index a3df475..3666789 100644
--- a/share/man/man4/netintro.4
+++ b/share/man/man4/netintro.4
@@ -205,10 +205,13 @@ struct	ifreq {
         struct    sockaddr ifru_dstaddr;
         struct    sockaddr ifru_broadaddr;
         short     ifru_flags[2];
+        short     ifru_index;
         int       ifru_metric;
         int       ifru_mtu;
         int       ifru_phys;
+        int       ifru_media;
         caddr_t   ifru_data;
+        int       ifru_cap[2];
     } ifr_ifru;
 #define ifr_addr      ifr_ifru.ifru_addr      /* address */
 #define ifr_dstaddr   ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
@@ -218,7 +221,11 @@ struct	ifreq {
 #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_media     ifr_ifru.ifru_media     /* physical media */
 #define ifr_data      ifr_ifru.ifru_data      /* for use by interface */
+#define ifr_reqcap    ifr_ifru.ifru_cap[0]    /* requested capabilities */
+#define ifr_curcap    ifr_ifru.ifru_cap[1]    /* current capabilities */
+#define ifr_index     ifr_ifru.ifru_index     /* interface index */
 };
 .Ed
 .Pp
@@ -248,6 +255,19 @@ Get interface address for protocol family.
 Get point to point address for protocol family and interface.
 .It Dv SIOCGIFBRDADDR
 Get broadcast address for protocol family and interface.
+.It Dv SIOCSIFCAP
+Set interface capabilities field to the value of the
+.Va ifr_reqcap
+field of the
+.Vt ifreq
+structure.
+.It Dv SIOCGIFCAP
+Get interface capabilities field.
+Its value will be returned in the
+.Va ifr_curcap
+field of the
+.Vt ifreq
+structure.
 .It Dv SIOCSIFFLAGS
 Set interface flags field.
 If the interface is marked down,