confused with if_baudrate

[Maksim Yevmenkin]

hello,

i'm a little bit confused about if_baudrate. from system headers

#define	if_baudrate	if_data.ifi_baudrate

and

u_long  ifi_baudrate;           /* linespeed */

so, i'm taking this as if_baudrate really should be an interface line
speed in megabits per second. am i correct? if so, then it appears
that at least some drivers lie about true line speed. for example from
ixgbe(4)

	ifp->if_baudrate = 1000000000;

it looks like its order of magnitude lower (i.e. 1 gigabit per second
instead of 10 gigabits per second). am i missing something here or its
just a typo?

thanks,
max