On 03/19/17 10:40, Woody Wu wrote: > > > On 03/17/2017 08:05 PM, James Carlson wrote: >> - Use a master-slave type of relationship. This means having one end >> (perhaps the PC in this case) sending some sort of signal (I suggest >> using back-to-back flags; two 0x7E in a row) to let the slave side >> know it should send something if it has it, or to send an empty >> packet. The master then just periodically polls for data or sends >> what it has. > > Does this mean I hava to change the pppd source code or even the Linux > kernel? I don't think it would necessarily require pppd source changes (though it's possible someone might want to add an option to control the feature), but it'd certainly require substantial kernel changes to add the logic to do the signaling and timing elements. -- James Carlson 42.703N 71.076W <carlsonj@xxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-ppp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html