Get network interface’s MTU.
Files
net_if.h/net_if.c
Prototype
Arguments
if_nbr
Network interface number to get MTU.
p_err
Pointer to variable that will receive the return error code from this function:
NET_IF_ERR_NONE
NET_IF_ERR_INVALID_IF
NET_OS_ERR_LOCK
Returned Value
Network interface’s MTU, if no errors.
0
, otherwise.
Required Configuration
None.
Notes / Warnings
None.