Query: net_getmtu
OS: opensolaris
Section: 9f
Links: opensolaris man pages all man pages
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net_getmtu(9F) Kernel Functions for Drivers net_getmtu(9F)NAMEnet_getmtu - determine the MTU of a given network interfaceSYNOPSIS#include <sys/neti.h> int net_getmtu(const net_data_t net, const phy_if_t ifp);INTERFACE LEVELSolaris DDI specific (Solaris DDI).PARAMETERSnet 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).DESCRIPTIONThe net_getmtu() function receives information about the current MTU of a network interface. The value returned from this function call should not be cached as the MTU of a network interface since it is not guaranteed to be constant.RETURN VALUESThe net_getmtu() function returns -1 if the network protocol does not support this feature and otherwise returns the current MTU of the network interface.CONTEXTThe net_getmtu() function may be called from user, kernel, or interrupt context.ATTRIBUTESSee attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+SEE ALSOnet_phygetnext(9F), net_phylookup(9F), net_protocol_lookup(9F) SunOS 5.11 1 May 2008 net_getmtu(9F)