1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Asynchronous Transfer Mode (ATM) 4# 5 6config ATM 7 tristate "Asynchronous Transfer Mode (ATM)" 8 help 9 ATM is a high-speed networking technology for Local Area Networks 10 and Wide Area Networks. It uses a fixed packet size and is 11 connection oriented, allowing for the negotiation of minimum 12 bandwidth requirements. 13 14 In order to participate in an ATM network, your Linux box needs an 15 ATM networking card. If you have that, say Y here and to the driver 16 of your ATM card below. 17 18 Note that you need a set of user-space programs to actually make use 19 of ATM. See the file <file:Documentation/networking/atm.rst> for 20 further details. 21 22config ATM_BR2684 23 tristate "RFC1483/2684 Bridged protocols" 24 depends on ATM && INET 25 help 26 ATM PVCs can carry ethernet PDUs according to RFC2684 (formerly 1483) 27 This device will act like an ethernet from the kernels point of view, 28 with the traffic being carried by ATM PVCs (currently 1 PVC/device). 29 This is sometimes used over DSL lines. If in doubt, say N. 30 31config ATM_BR2684_IPFILTER 32 bool "Per-VC IP filter kludge" 33 depends on ATM_BR2684 34 help 35 This is an experimental mechanism for users who need to terminate a 36 large number of IP-only vcc's. Do not enable this unless you are sure 37 you know what you are doing. 38