opensolaris man page for net_getpmtuenabled

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

NAME
       net_getpmtuenabled - determine if path MTU discovery is enabled for a network protocol

SYNOPSIS
       #include <sys/neti.h>

       int net_getpmtuenabled(const net_data_t net);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

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

DESCRIPTION
       The  net_getpmtuenabled()  function returns a value to indicate whether or not path MTU (PMTU) discovery is enabled for this network proto-
       col.

RETURN VALUES
       The net_getpmtuenabled() function returns:

       -1    The network protocol does not support this function.

       0     PATH MTU discovery is disabled.

       1     PATH MTU discovery is enabled.

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

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+

SEE ALSO
       net_getmtu(9F), net_protocol_lookup(9F)

SunOS 5.11							    1 May 2008						    net_getpmtuenabled(9F)