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ec8f24b7 | 1 | # SPDX-License-Identifier: GPL-2.0-only |
6a2e9b73 SR |
2 | # |
3 | # LAPB Data Link Drive | |
4 | # | |
5 | ||
6 | config LAPB | |
5ba0a3be | 7 | tristate "LAPB Data Link Driver" |
6a2e9b73 SR |
8 | ---help--- |
9 | Link Access Procedure, Balanced (LAPB) is the data link layer (i.e. | |
10 | the lower) part of the X.25 protocol. It offers a reliable | |
11 | connection service to exchange data frames with one other host, and | |
12 | it is used to transport higher level protocols (mostly X.25 Packet | |
13 | Layer, the higher part of X.25, but others are possible as well). | |
14 | Usually, LAPB is used with specialized X.21 network cards, but Linux | |
15 | currently supports LAPB only over Ethernet connections. If you want | |
16 | to use LAPB connections over Ethernet, say Y here and to "LAPB over | |
17 | Ethernet driver" below. Read | |
18 | <file:Documentation/networking/lapb-module.txt> for technical | |
19 | details. | |
20 | ||
21 | To compile this driver as a module, choose M here: the | |
22 | module will be called lapb. If unsure, say N. |