[Solar-tecnica] por qué no es libre esto? madwifi-modules-2.6.21

[Fernando Toledo]

On Wednesday 22 October 2008 23:07:01 Marcos Guglielmetti wrote:
> Package: madwifi-modules-2.6.21
> Status: install ok installed
> Priority: optional
> Section: non-free/net
> Installed-Size: 776
> Maintainer: Debian madwifi team <
> pkg-madwifi-maintainers en lists.alioth.debian.org>
> Architecture: i386
> Source: madwifi (1:0.9.3-1)
> Version: 1:0.9.3-1+2.6.21-10.00.Custom
> Replaces: madwifi-ng-modules-2.6.21
> Provides: madwifi-modules-2.6.21
> Depends: madwifi-tools, linux-image-2.6.21 | kernel-image-2.6.21
> Recommends: wireless-tools
> Description: modules for the Multiband Atheros Driver for WiFi (kernel
> 2.6.21)
> Â This package contains the set of loadable kernel modules for Atheros
> Â based WiFi chipsets.
> Â .
> Â This package contains the compiled kernel modules for 2.6.21
> Â .
> Â If you have compiled your own kernel, you will most likely need to
> build
> Â your own madwifi-modules. The madwifi-source package has been
> Â provided for use with the Debian's module-assistant or kernel-package
> Â utilities to produce a version of madwifi-ng-module for your kernel.

The ath_hal module contains the Atheros Hardware Access Layer (HAL).
This code manages much of the chip-specific operation of the driver.
The HAL is provided in a binary-only form in order to comply with FCC
regulations.  In particular, a radio transmitter can only be operated at
power levels and on frequency channels for which it is approved.  The
FCC requires that a software-defined radio cannot be configured by the
user to operate outside the approved power levels and frequency
channels.  This makes it difficult to open-source code that enforces
limits on the power levels, frequency channels and other parameters of
the radio transmitter.  See
http://ftp.fcc.gov/Bureaus/Engineering_Technology/Orders/2001/fcc01264.pdf
for the specific FCC regulation.  Because the module is provided in a
binary-only form it is marked "Proprietary"; this means when you load it
you will see messages that your system is now "tainted".



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