CONFIG_PPP_BSDCOMP: PPP BSD-Compress compression

General informations

The Linux kernel configuration item CONFIG_PPP_BSDCOMP has multiple definitions:

PPP BSD-Compress compression found in drivers/net/ppp/Kconfig

The configuration item CONFIG_PPP_BSDCOMP:

• prompt: PPP BSD-Compress compression
• type: tristate
• depends on: CONFIG_PPP
• defined in drivers/net/ppp/Kconfig
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD
• modules built: bsd_comp, bsd_comp, bsd_comp, bsd_comp, bsd_comp

Help text

Support for the BSD-Compress compression method for PPP, which uses the LZW compression method to compress each PPP packet before it is sent over the wire. The machine at the other end of the PPP link (usually your ISP) has to support the BSD-Compress compression method as well for this to be useful. Even if they don't support it, it is safe to say Y here.

The PPP Deflate compression method ("PPP Deflate compression", above) is preferable to BSD-Compress, because it compresses better and is patent-free.

Note that the BSD compression code will always be compiled as a module; it is called bsd_comp and will show up in the directory modules once you have said "make modules". If unsure, say N.

PPP BSD-Compress compression found in drivers/net/Kconfig

The configuration item CONFIG_PPP_BSDCOMP:

• prompt: PPP BSD-Compress compression
• type: tristate
• depends on: CONFIG_PPP
• defined in drivers/net/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.1
• modules built: bsd_comp, bsd_comp, bsd_comp, bsd_comp, bsd_comp

Help text

Support for the BSD-Compress compression method for PPP, which uses the LZW compression method to compress each PPP packet before it is sent over the wire. The machine at the other end of the PPP link (usually your ISP) has to support the BSD-Compress compression method as well for this to be useful. Even if they don't support it, it is safe to say Y here.

The PPP Deflate compression method ("PPP Deflate compression", above) is preferable to BSD-Compress, because it compresses better and is patent-free.

Note that the BSD compression code will always be compiled as a module; it is called bsd_comp and will show up in the directory modules once you have said "make modules". If unsure, say N.

PPP BSD-Compress compression found in arch/um/Kconfig_net

The configuration item CONFIG_PPP_BSDCOMP:

• prompt: PPP BSD-Compress compression
• type: tristate
• depends on: CONFIG_PPP
• defined in arch/um/Kconfig_net
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8
• modules built: bsd_comp, bsd_comp, bsd_comp, bsd_comp, bsd_comp

Help text

(none)

PPP BSD-Compress compression found in arch/sparc/Kconfig

The configuration item CONFIG_PPP_BSDCOMP:

• prompt: PPP BSD-Compress compression
• type: tristate
• depends on: CONFIG_NETDEVICES && CONFIG_PPP != CONFIG_n && CONFIG_m
• defined in arch/sparc/Kconfig
• found in Linux kernels: 2.5.45–2.5.54
• modules built: bsd_comp, bsd_comp, bsd_comp, bsd_comp, bsd_comp

Help text

Support for the BSD-Compress compression method for PPP, which uses the LZW compression method to compress each PPP packet before it is sent over the wire. The machine at the other end of the PPP link (usually your ISP) has to support the BSD-Compress compression method as well for this to be useful. Even if they don't support it, it is safe to say Y here.

The PPP Deflate compression method ("PPP Deflate compression", above) is preferable to BSD-Compress, because it compresses better and is patent-free.

Note that the BSD compression code will always be compiled as a module; it is called bsd_comp.o and will show up in the directory modules once you have said "make modules". If unsure, say N.

PPP BSD-Compress compression found in arch/m68k/Kconfig

The configuration item CONFIG_PPP_BSDCOMP:

• prompt: PPP BSD-Compress compression
• type: tristate
• depends on: CONFIG_PPP
• defined in arch/m68k/Kconfig
• found in Linux kernels: 2.5.45–2.5.54
• modules built: bsd_comp, bsd_comp, bsd_comp, bsd_comp, bsd_comp

Help text

(none)

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module bsd_comp CONFIG_PPP_BSDCOMP : arch/m68k/Kconfig : "PPP BSD-Compress compression" # in 2.5.45–2.5.54
• lkddb module bsd_comp CONFIG_PPP_BSDCOMP : arch/sparc/Kconfig : "PPP BSD-Compress compression" # in 2.5.45–2.5.54
• lkddb module bsd_comp CONFIG_PPP_BSDCOMP : arch/um/Kconfig_net : "PPP BSD-Compress compression" # in 2.5.45–2.5.75, 2.6.0–2.6.8
• lkddb module bsd_comp CONFIG_PPP_BSDCOMP : drivers/net/Kconfig : "PPP BSD-Compress compression" # in 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.1
• lkddb module bsd_comp CONFIG_PPP_BSDCOMP : drivers/net/ppp/Kconfig : "PPP BSD-Compress compression" # in 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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