Changeset 0f5515d

Timestamp:

03/13/2023 05:38:33 PM (14 months ago)

Author:

Pierre Labastie <pierre.labastie@…>

Branches:

12.0, 12.1, kea, ken/TL2024, ken/tuningfonts, lazarus, lxqt, plabs/newcss, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, xry111/llvm18, xry111/xf86-video-removal

Children:

457f841, f751d6e

Parents:

00120f96

git-author:

Pierre Labastie <pierre.labastie@…> (03/13/2023 05:36:58 PM)

git-committer:

Pierre Labastie <pierre.labastie@…> (03/13/2023 05:38:33 PM)

Message:

Make a section for regulatory.db firmware

And tell the the cfg80211 driver needs to be loaded as a module.
See ticket #17780.

File:

• postlfs/config/firmware.xml (modified) (2 diffs)

postlfs/config/firmware.xml

@@ -665 +665 @@
   </sect2>
 
-  <sect2 id="other-firmware">
-    <title>Firmware for Other Devices</title>
-
-    <para>
-      Identifying the correct firmware will typically require you to install
-      <xref linkend='pciutils'/>, and then use <userinput>lspci</userinput>
-      to identify the device. You should then search online to check which
-      module it uses, which firmware, and where to obtain the firmware &mdash;
-      not all of it is in linux-firmware.
-    </para>
-
-    <para>
-      If possible, you should begin by using a wired connection when you first
-      boot your LFS system. To use a wireless connection you will need to
-      use a network tools such as <xref linkend='wireless_tools'/> and <xref
-      linkend='wpa_supplicant'/>.
-    </para>
+  <sect2 id="regulatory-db">
+    <title>Firmware for Regulatory Database of Wireless Devices</title>
 
     <para>
@@ -693 +678 @@
       To install it, simply extract <filename>regulatory.db</filename> and
       <filename>regulatory.db.p7s</filename> from the tarball into
-      <filename class="directory">/lib/firmware</filename>.
-      The access point would send a country code to your wireless NIC,
+      <filename class="directory">/lib/firmware</filename>. Note that either
+      the <option>cfg80211</option> driver needs to be selected as a module
+      for the <filename>regulatory.*</filename>
+      files to be loaded, or those files need to be included as firmware into
+      the kernel, as explained above in <xref linkend="video-firmware"/>.
+    </para>
+
+    <para>
+      The access point (AP) would send a country code to your wireless NIC,
       and <xref linkend='wpa_supplicant'/> would tell the kernel to load
       the regulation of this country from
-      <filename>regulatory.db</filename>, and enforce it.
+      <filename>regulatory.db</filename>, and enforce it. Note that several AP
+      don't send this country code, so you may be locked to a rather
+      restricted usage (specially if you want to use your interface as an AP).
+    </para>
+  </sect2>
+
+  <sect2 id="other-firmware">
+    <title>Firmware for Other Devices</title>
+
+    <para>
+      Identifying the correct firmware will typically require you to install
+      <xref linkend='pciutils'/>, and then use <userinput>lspci</userinput>
+      to identify the device. You should then search online to check which
+      module it uses, which firmware, and where to obtain the firmware &mdash;
+      not all of it is in linux-firmware.
+    </para>
+
+    <para>
+      If possible, you should begin by using a wired connection when you first
+      boot your LFS system. To use a wireless connection you will need to
+      use a network tools such as <xref linkend="iw"/>,
+      <xref linkend='wireless_tools'/>, or <xref linkend='wpa_supplicant'/>.
     </para>