NET_LIFGETNEXT(9F) Kernel Functions for Drivers NET_LIFGETNEXT(9F)

net_lifgetnext - search through a list of logical network interfaces

#include <sys/neti.h>
net_if_t net_lifgetnext(const net_data_t net, const phy_if_t ifp,
     net_if_t lif);

illumos DDI specific (illumos DDI).

net
value returned from a successful call to net_protocol_lookup(9F).

ifp

value returned from a successful call to net_phylookup(9F) or net_phygetnext(9F).

lif

value returned from a successful call to this function.

The net_lifgetnext() function is used to search through all of the logical interfaces that are associated with a physical network interface. To start searching through this list, a value of 0 should be passed through as the value of lif. When 0 is returned by this function, the last of the interfaces owned by this protocol has been reached.

When called successfully, the value returned represents a logical interface that exists, at the time of the call, within the scope of the network interface and its assigned network protocol. This value is only guaranteed to be unique for a name within the scope of the network interface and its assigned protocol.


   net_data_t net;
    phy_if_t ifp;
    net_if_t lif;
    char buffer[32];
    net_ifaddr_t atype[1];
    struct sockaddr_in sin[1];
    net = net_protocol_lookup("inet");
    if (net != NULL) {
         atype[0] = NA_ADDRESS;
         ifp = net_phylookup(net, "hme0");
         for (lif = net_lifgetnext(net, 0); lif != 0;
               lif = net_lifgetnext(net, lif)) {
               /* Do something with lif */
               if (net_getlifaddr(net, ifp, lif, 1, atype, sin) == 0)
                     printf("hme0:%d %x0, lif,
                         ntohl(sin[0].sin_addr.s_addr));
          }
      }

The net_lifgetnext() function returns a value of -1 if it is not supported by the network protocol and a value of 0 if an attempt to go beyond the last network interface is made. Otherwise, it returns a value representing a network interface.

The net_lifgetnext() function may be called from user, kernel, or interrupt context.

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Committed

net_phygetnext(9F), net_phylookup(9F)
May 1, 2008 OmniOS