Re: Synchronous board drivers

Jan Kasprzak (kas@informatics.muni.cz)
Mon, 5 Jul 1999 23:03:35 +0200

Alan Cox wrote:
: > : Why is the character device emulation needed at all ?
: >
: > I occasionaly use sync line for transfering raw data instead
: > of some network protocol. I think most sync board drivers have
: > some sort of character device emulation. IMHO it would be wise
: > to move it to syncppp.c.
:
: How does this differ from AF_PACKET, SOCK_DGRAM sockets ?

Easier to use? More ioctls()? There are only 16 ioctls
for network device's private use, and in case of syncppp.c is not clear
how many ioctls to leave for the link layer and how many can use the
network driver.

-Yenya

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