net_getpmtuenabled(9F) Kernel Functions for Drivers net_getpmtuenabled(9F)NAMEnet_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_proto‐
col_lookup(9F).
DESCRIPTION
The net_getpmtuenabled() function returns a value to indicate whether
or not path MTU (PMTU) discovery is enabled for this network protocol.
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 ALSOnet_getmtu(9F), net_protocol_lookup(9F)SunOS 5.10 1 May 2008 net_getpmtuenabled(9F)