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The following commit(s) were added to refs/heads/asf-site by this push:
new e11f2ea07 Publishing web: 89395e1aa4444fd4118252756087f44366832e88
docs: d243322f5770f2611d60a428e1c5410139c9daab
e11f2ea07 is described below
commit e11f2ea071bbf183e421e63fe1d0613cf29315c7
Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
AuthorDate: Fri Sep 26 00:32:26 2025 +0000
Publishing web: 89395e1aa4444fd4118252756087f44366832e88 docs:
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+<p>Last Updated: 26 September 25 at 00:17</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.3.0/searchindex.js
b/content/docs/12.3.0/searchindex.js
index a1ebb7f14..c386cf598 100644
--- a/content/docs/12.3.0/searchindex.js
+++ b/content/docs/12.3.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/index",
"applications/nsh/builtin", "applications/nsh/commands",
"applications/nsh/config", "applications/nsh/customizing",
"applications/nsh/index", "applications/nsh/installation",
"applications/nsh/login", "applications/nsh/nsh", "applications/nxdiag/config",
"applications/nxdiag/index", "applications/wapi/commands",
"applications/wapi/index", "applications/wapi/wireless", "components/binfmt",
"components/drivers/block/index", "components/dr [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/index",
"applications/nsh/builtin", "applications/nsh/commands",
"applications/nsh/config", "applications/nsh/customizing",
"applications/nsh/index", "applications/nsh/installation",
"applications/nsh/login", "applications/nsh/nsh", "applications/nxdiag/config",
"applications/nxdiag/index", "applications/wapi/commands",
"applications/wapi/index", "applications/wapi/wireless", "components/binfmt",
"components/drivers/block/index", "components/dr [...]
\ No newline at end of file
diff --git a/content/docs/12.4.0/index.html b/content/docs/12.4.0/index.html
index 1e433415e..62126b878 100644
--- a/content/docs/12.4.0/index.html
+++ b/content/docs/12.4.0/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:19</p>
+<p>Last Updated: 26 September 25 at 00:17</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.4.0/searchindex.js
b/content/docs/12.4.0/searchindex.js
index 1c2870bf9..7dd640384 100644
--- a/content/docs/12.4.0/searchindex.js
+++ b/content/docs/12.4.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
diff --git a/content/docs/12.5.0/index.html b/content/docs/12.5.0/index.html
index 17b5ba2c5..18e6bb69e 100644
--- a/content/docs/12.5.0/index.html
+++ b/content/docs/12.5.0/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:20</p>
+<p>Last Updated: 26 September 25 at 00:19</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.5.0/searchindex.js
b/content/docs/12.5.0/searchindex.js
index 6666dc915..ae1e0619e 100644
--- a/content/docs/12.5.0/searchindex.js
+++ b/content/docs/12.5.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
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"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
diff --git a/content/docs/12.5.1/index.html b/content/docs/12.5.1/index.html
index 03324250d..5ac25be74 100644
--- a/content/docs/12.5.1/index.html
+++ b/content/docs/12.5.1/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:22</p>
+<p>Last Updated: 26 September 25 at 00:20</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.5.1/searchindex.js
b/content/docs/12.5.1/searchindex.js
index 21aa3f0e3..d21f05bf5 100644
--- a/content/docs/12.5.1/searchindex.js
+++ b/content/docs/12.5.1/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/coremark/index", "applications/benchmarks/index",
"applications/boot/index", "applications/boot/mcuboot/index",
"applications/boot/miniboot/index", "applications/canutils/candump/index",
"applications/canutils/canlib/index", "applications/canutils/cansend/index",
"applications/c [...]
\ No newline at end of file
diff --git a/content/docs/12.6.0/index.html b/content/docs/12.6.0/index.html
index eda137a61..ad372d486 100644
--- a/content/docs/12.6.0/index.html
+++ b/content/docs/12.6.0/index.html
@@ -180,7 +180,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:23</p>
+<p>Last Updated: 26 September 25 at 00:21</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.6.0/searchindex.js
b/content/docs/12.6.0/searchindex.js
index 5d3726eba..0fe411740 100644
--- a/content/docs/12.6.0/searchindex.js
+++ b/content/docs/12.6.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/cachespeed/index",
"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/cachespeed/index",
"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
\ No newline at end of file
diff --git a/content/docs/12.7.0/index.html b/content/docs/12.7.0/index.html
index 762ed1b75..709fa07a6 100644
--- a/content/docs/12.7.0/index.html
+++ b/content/docs/12.7.0/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:24</p>
+<p>Last Updated: 26 September 25 at 00:23</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.7.0/searchindex.js
b/content/docs/12.7.0/searchindex.js
index 1754ef70f..63c65e861 100644
--- a/content/docs/12.7.0/searchindex.js
+++ b/content/docs/12.7.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/cachespeed/index",
"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
"applications/benchmarks/cachespeed/index",
"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
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diff --git a/content/docs/12.8.0/index.html b/content/docs/12.8.0/index.html
index 0508c383e..6b18a7f32 100644
--- a/content/docs/12.8.0/index.html
+++ b/content/docs/12.8.0/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:26</p>
+<p>Last Updated: 26 September 25 at 00:24</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.8.0/searchindex.js
b/content/docs/12.8.0/searchindex.js
index a7a91c5ae..bb8e04751 100644
--- a/content/docs/12.8.0/searchindex.js
+++ b/content/docs/12.8.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
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"applications/audioutils/nxaudio/index",
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"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
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"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/benchmarks/iozone/index",
"applications/bench [...]
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diff --git a/content/docs/12.9.0/index.html b/content/docs/12.9.0/index.html
index 3c1662cd2..70674670e 100644
--- a/content/docs/12.9.0/index.html
+++ b/content/docs/12.9.0/index.html
@@ -179,7 +179,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:27</p>
+<p>Last Updated: 26 September 25 at 00:26</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/12.9.0/searchindex.js
b/content/docs/12.9.0/searchindex.js
index ca5d914c2..fc3bf2226 100644
--- a/content/docs/12.9.0/searchindex.js
+++ b/content/docs/12.9.0/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
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"applications/benchmarks/cachespeed/index",
"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/cyclictest/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/b [...]
\ No newline at end of file
+Search.setIndex({"docnames": ["applications/audioutils/fmsynt/index",
"applications/audioutils/index", "applications/audioutils/mml_parser/index",
"applications/audioutils/nxaudio/index",
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"applications/benchmarks/coremark-pro/index",
"applications/benchmarks/coremark/index",
"applications/benchmarks/cyclictest/index",
"applications/benchmarks/dhrystone/index", "applications/benchmarks/fio/index",
"applications/benchmarks/index", "applications/b [...]
\ No newline at end of file
diff --git a/content/docs/latest/_sources/components/net/index.rst.txt
b/content/docs/latest/_sources/components/net/index.rst.txt
index 025966919..148880d89 100644
--- a/content/docs/latest/_sources/components/net/index.rst.txt
+++ b/content/docs/latest/_sources/components/net/index.rst.txt
@@ -12,6 +12,7 @@ Network Support
nat.rst
netdev.rst
netdriver.rst
+ mdio.rst
netguardsize.rst
netlink.rst
slip.rst
diff --git a/content/docs/latest/_sources/components/net/mdio.rst.txt
b/content/docs/latest/_sources/components/net/mdio.rst.txt
new file mode 100644
index 000000000..2c6fa1534
--- /dev/null
+++ b/content/docs/latest/_sources/components/net/mdio.rst.txt
@@ -0,0 +1,73 @@
+.. _mdio_bus:
+
+.. include:: /substitutions.rst
+
+=================
+MDIO Bus Driver
+=================
+
+The NuttX MDIO bus driver provides a standardized interface for communicating
with Ethernet PHY (Physical Layer) transceivers.
+It employs a classic upper-half/lower-half architecture to abstract
hardware-specific logic from the generic MDIO protocol,
+which is currently compliant with Clause 22 of the IEEE 802.3 standard.
+The primary implementation of the upper-half can be found in
``drivers/net/mdio.c``.
+
+Driver Architecture
+===================
+
+The MDIO driver framework serves as an intermediary layer between a network
device driver and the physical bus.
+The intended operational model is ``netdev -> phydev -> mdio``, where the
network device communicates with a dedicated PHY driver,
+which in turn uses the MDIO bus driver for low-level hardware access.
+Direct interaction between the network device and the MDIO bus is discouraged.
+
+Upper-Half Implementation
+-------------------------
+
+The upper-half driver contains the core logic for the MDIO bus, including bus
locking mechanisms to ensure safe transactions.
+It exposes a generic API for managing the bus lifecycle and is capable of
handling multiple, independent MDIO bus instances concurrently.
+This abstracts implementation details from both the PHY driver and the
underlying hardware-specific code.
+
+Lower-Half Implementation
+-------------------------
+
+A lower-half MDIO driver serves as a thin layer that maps the generic
operations defined by the upper-half to hardware-specific register
manipulations.
+It is not intended to contain complex logic, but rather to provide a direct
translation for bus operations.
+
+Implementing a Lower-Half Driver
+================================
+
+Integrating MDIO support for new hardware requires the implementation of a
lower-half driver.
+The contract between the upper and lower halves is defined in
``include/nuttx/net/mdio.h`` and is centered around two key structures.
+
+Key Data Structures
+-------------------
+
+1. ``struct mdio_ops_s``: A structure containing function pointers that the
lower-half driver must implement to perform hardware-level operations.
+ * ``read``: Performs a Clause 22 MDIO read operation.
+ * ``write``: Performs a Clause 22 MDIO write operation.
+ * ``reset``: An optional function to execute a hardware-specific PHY
reset.
+
+2. ``struct mdio_lowerhalf_s``: The container for the lower-half instance,
which holds a pointer to the ``mdio_ops_s`` vtable
+ and an optional private data pointer for the driver's internal state.
+
+Registration and Unregistration
+-------------------------------
+
+The board-level initialization logic is responsible for instantiating the
lower-half driver and registering it with the upper-half via the
``mdio_register()`` function.
+Each call to this function with a distinct lower-half driver creates a new,
unique bus handle, allowing the system to manage several MDIO buses
concurrently.
+
+.. code-block:: c
+
+ FAR struct mdio_dev_s *mdio_register(FAR struct mdio_lowerhalf_s *lower);
+
+This function accepts the lower-half instance and returns an opaque handle
(``FAR struct mdio_dev_s *``),
+which is subsequently used by the PHY driver to interact with the bus.
+
+When a bus instance is no longer required, it should be deallocated by calling
the ``mdio_unregister()`` function to ensure proper cleanup of resources.
+
+.. code-block:: c
+
+ int mdio_unregister(FAR struct mdio_dev_s *dev);
+
+This function takes the handle returned by ``mdio_register()`` and releases
the associated bus instance.
+
+A (mostly) complete reference implementation for a lower-half driver is
available in ``arch/arm/src/stm32h7/stm32_mdio.c``.
diff --git a/content/docs/latest/components/index.html
b/content/docs/latest/components/index.html
index 3c26513ca..cd165914a 100644
--- a/content/docs/latest/components/index.html
+++ b/content/docs/latest/components/index.html
@@ -259,6 +259,7 @@ case, you can head to the <a class="reference internal"
href="../reference/index
<li class="toctree-l2"><a class="reference internal"
href="net/nat.html">Network Address Translation (NAT)</a></li>
<li class="toctree-l2"><a class="reference internal"
href="net/netdev.html">Network Devices</a></li>
<li class="toctree-l2"><a class="reference internal"
href="net/netdriver.html">Network Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="net/mdio.html">MDIO
Bus Driver</a></li>
<li class="toctree-l2"><a class="reference internal"
href="net/netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l2"><a class="reference internal"
href="net/netlink.html">Netlink Route support</a></li>
<li class="toctree-l2"><a class="reference internal"
href="net/slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/delay_act_and_tcp_perf.html
b/content/docs/latest/components/net/delay_act_and_tcp_perf.html
index 9f0d9f61c..2141bfb33 100644
--- a/content/docs/latest/components/net/delay_act_and_tcp_perf.html
+++ b/content/docs/latest/components/net/delay_act_and_tcp_perf.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/index.html
b/content/docs/latest/components/net/index.html
index be120bb01..f3a6b662f 100644
--- a/content/docs/latest/components/net/index.html
+++ b/content/docs/latest/components/net/index.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
@@ -214,6 +215,7 @@
<li class="toctree-l1"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l1"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l1"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l1"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l1"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l1"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l1"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/ipfilter.html
b/content/docs/latest/components/net/ipfilter.html
index 7a934b626..24f51747d 100644
--- a/content/docs/latest/components/net/ipfilter.html
+++ b/content/docs/latest/components/net/ipfilter.html
@@ -151,6 +151,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/netguardsize.html
b/content/docs/latest/components/net/mdio.html
similarity index 59%
copy from content/docs/latest/components/net/netguardsize.html
copy to content/docs/latest/components/net/mdio.html
index 66d01a505..7bbdc5784 100644
--- a/content/docs/latest/components/net/netguardsize.html
+++ b/content/docs/latest/components/net/mdio.html
@@ -25,7 +25,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.19:
https://docutils.sourceforge.io/"; />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <title>CONFIG_NET_GUARDSIZE — NuttX latest documentation</title>
+ <title>MDIO Bus Driver — NuttX latest documentation</title>
<link rel="stylesheet" type="text/css" href="../../_static/pygments.css"
/>
<link rel="stylesheet" type="text/css"
href="../../_static/css/theme.css" />
<link rel="stylesheet" type="text/css"
href="../../_static/copybutton.css" />
@@ -46,7 +46,7 @@
<script src="../../_static/js/theme.js"></script>
<link rel="index" title="Index" href="../../genindex.html" />
<link rel="search" title="Search" href="../../search.html" />
- <link rel="next" title="Netlink Route support" href="netlink.html" />
+ <link rel="next" title="CONFIG_NET_GUARDSIZE" href="netguardsize.html" />
<link rel="prev" title="Network Drivers" href="netdriver.html" />
</head>
@@ -146,12 +146,20 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
-<li class="toctree-l3 current"><a class="current reference internal"
href="#">CONFIG_NET_GUARDSIZE</a><ul>
-<li class="toctree-l4"><a class="reference internal"
href="#global-option-for-all-drivers">Global Option for All Drivers</a></li>
-<li class="toctree-l4"><a class="reference internal"
href="#packet-receipt">Packet Receipt</a></li>
-<li class="toctree-l4"><a class="reference internal"
href="#packet-transmission">Packet Transmission</a></li>
+<li class="toctree-l3 current"><a class="current reference internal"
href="#">MDIO Bus Driver</a><ul>
+<li class="toctree-l4"><a class="reference internal"
href="#driver-architecture">Driver Architecture</a><ul>
+<li class="toctree-l5"><a class="reference internal"
href="#upper-half-implementation">Upper-Half Implementation</a></li>
+<li class="toctree-l5"><a class="reference internal"
href="#lower-half-implementation">Lower-Half Implementation</a></li>
</ul>
</li>
+<li class="toctree-l4"><a class="reference internal"
href="#implementing-a-lower-half-driver">Implementing a Lower-Half
Driver</a><ul>
+<li class="toctree-l5"><a class="reference internal"
href="#key-data-structures">Key Data Structures</a></li>
+<li class="toctree-l5"><a class="reference internal"
href="#registration-and-unregistration">Registration and Unregistration</a></li>
+</ul>
+</li>
+</ul>
+</li>
+<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
<li class="toctree-l3"><a class="reference internal"
href="wqueuedeadlocks.html">Work Queue Deadlocks</a></li>
@@ -199,9 +207,9 @@
<li><a href="../../index.html" class="icon icon-home"
aria-label="Home"></a></li>
<li class="breadcrumb-item"><a href="../index.html">OS
Components</a></li>
<li class="breadcrumb-item"><a href="index.html">Network
Support</a></li>
- <li class="breadcrumb-item active">CONFIG_NET_GUARDSIZE</li>
+ <li class="breadcrumb-item active">MDIO Bus Driver</li>
<li class="wy-breadcrumbs-aside">
- <a
href="https://github.com/apache/nuttx/blob/master/Documentation/components/net/netguardsize.rst";
class="fa fa-github"> Edit on GitHub</a>
+ <a
href="https://github.com/apache/nuttx/blob/master/Documentation/components/net/mdio.rst";
class="fa fa-github"> Edit on GitHub</a>
</li>
</ul>
<hr/>
@@ -209,75 +217,61 @@
<div role="main" class="document" itemscope="itemscope"
itemtype="http://schema.org/Article";>
<div itemprop="articleBody">
- <section id="config-net-guardsize">
-<h1>CONFIG_NET_GUARDSIZE<a class="headerlink" href="#config-net-guardsize"
title="Permalink to this heading"></a></h1>
-<section id="global-option-for-all-drivers">
-<h2>Global Option for All Drivers<a class="headerlink"
href="#global-option-for-all-drivers" title="Permalink to this
heading"></a></h2>
-<p><code class="docutils literal notranslate"><span
class="pre">CONFIG_NET_GUARD_SIZE</span></code> is global option. It is added
to the allocated size of
-each driver packet buffer. Currently it is a very small value, defaulting to
only
-two bytes. So it is not a memory hog and should be added to the packetsize for
-all drivers for commonality. But why?</p>
-<p>It should (eventually) be larger and common for all drivers. We need to
look at
-how it is used today and how it might be used tomorrow. There is a probably a
lot
-more involved than you might be initially considering.</p>
+ <span class="target" id="mdio-bus"></span><section id="mdio-bus-driver">
+<h1>MDIO Bus Driver<a class="headerlink" href="#mdio-bus-driver"
title="Permalink to this heading"></a></h1>
+<p>The NuttX MDIO bus driver provides a standardized interface for
communicating with Ethernet PHY (Physical Layer) transceivers.
+It employs a classic upper-half/lower-half architecture to abstract
hardware-specific logic from the generic MDIO protocol,
+which is currently compliant with Clause 22 of the IEEE 802.3 standard.
+The primary implementation of the upper-half can be found in <code
class="docutils literal notranslate"><span
class="pre">drivers/net/mdio.c</span></code>.</p>
+<section id="driver-architecture">
+<h2>Driver Architecture<a class="headerlink" href="#driver-architecture"
title="Permalink to this heading"></a></h2>
+<p>The MDIO driver framework serves as an intermediary layer between a network
device driver and the physical bus.
+The intended operational model is <code class="docutils literal
notranslate"><span class="pre">netdev</span> <span class="pre">-></span>
<span class="pre">phydev</span> <span class="pre">-></span> <span
class="pre">mdio</span></code>, where the network device communicates with a
dedicated PHY driver,
+which in turn uses the MDIO bus driver for low-level hardware access.
+Direct interaction between the network device and the MDIO bus is
discouraged.</p>
+<section id="upper-half-implementation">
+<h3>Upper-Half Implementation<a class="headerlink"
href="#upper-half-implementation" title="Permalink to this heading"></a></h3>
+<p>The upper-half driver contains the core logic for the MDIO bus, including
bus locking mechanisms to ensure safe transactions.
+It exposes a generic API for managing the bus lifecycle and is capable of
handling multiple, independent MDIO bus instances concurrently.
+This abstracts implementation details from both the PHY driver and the
underlying hardware-specific code.</p>
</section>
-<section id="packet-receipt">
-<h2>Packet Receipt<a class="headerlink" href="#packet-receipt"
title="Permalink to this heading"></a></h2>
-<p>For packet receipt, it is necessary for some hardware, but not for others.
Often
-the hardware will DMA a 2 byte FCS at the end of the packet or possibly other
-hardware-specific info. But that is only part of the whole story.
-<code class="docutils literal notranslate"><span
class="pre">CONFIG_NET_GUARDSIZE</span></code> is not just for hardware packet
receipt.</p>
+<section id="lower-half-implementation">
+<h3>Lower-Half Implementation<a class="headerlink"
href="#lower-half-implementation" title="Permalink to this heading"></a></h3>
+<p>A lower-half MDIO driver serves as a thin layer that maps the generic
operations defined by the upper-half to hardware-specific register
manipulations.
+It is not intended to contain complex logic, but rather to provide a direct
translation for bus operations.</p>
</section>
-<section id="packet-transmission">
-<h2>Packet Transmission<a class="headerlink" href="#packet-transmission"
title="Permalink to this heading"></a></h2>
-<p>There are several issues for packet transmission. These are less well
defined
-and need further study, but we need to keep all of the driver packet
definitions
-in place until we understand how we are going to handle these things:</p>
-<ul>
-<li><p>Memory Overrun Bugs</p>
-<p>There was in the past, a bug that caused write past the end of the buffer by
-a couple of bytes during TX message formatting. I don’t know if that bug still
-exists, but the minimum, two-byte <code class="docutils literal
notranslate"><span class="pre">CONFIG_NET_GUARDSIZE</span></code> was
sufficient to
-eliminate the bug. That is why it has the name GUARD: Its primary purpose is
-to protect from overrunning the packet buffer and corrupting the following
memory.</p>
-<p>I do no know if we have any such bugs today. Perhaps they still do?
-Perhaps they do not? Having such a guard is a good thing for reliability in
-any case.</p>
-</li>
-<li><p>Variable size IP/TCP headers</p>
-<p>There is a limitation in the way IP packets are formatted now. Basically
they
-are formatted like this:</p>
-<blockquote>
-<div><ol class="arabic simple">
-<li><p>When the packet is received a pointer to the location of the payload is
-set (d_appdata). This is an offset into the packet buffer For TCP, that
-accounts for the MAC/Ethernet header, the minimum IPv4/IPv6 header size,
-and the minimum TCP header size.</p></li>
-<li><p>The TCP payload is written at that location,</p></li>
-<li><p>The correctly sized IPv4/IPv6 headers and the correctly sized TCP header
-are added below the payload, and finally</p></li>
-<li><p>The MAC/Ethernet header as added.</p></li>
+</section>
+<section id="implementing-a-lower-half-driver">
+<h2>Implementing a Lower-Half Driver<a class="headerlink"
href="#implementing-a-lower-half-driver" title="Permalink to this
heading"></a></h2>
+<p>Integrating MDIO support for new hardware requires the implementation of a
lower-half driver.
+The contract between the upper and lower halves is defined in <code
class="docutils literal notranslate"><span
class="pre">include/nuttx/net/mdio.h</span></code> and is centered around two
key structures.</p>
+<section id="key-data-structures">
+<h3>Key Data Structures<a class="headerlink" href="#key-data-structures"
title="Permalink to this heading"></a></h3>
+<ol class="arabic simple">
+<li><p><code class="docutils literal notranslate"><span
class="pre">struct</span> <span class="pre">mdio_ops_s</span></code>: A
structure containing function pointers that the lower-half driver must
implement to perform hardware-level operations.
+* <code class="docutils literal notranslate"><span
class="pre">read</span></code>: Performs a Clause 22 MDIO read operation.
+* <code class="docutils literal notranslate"><span
class="pre">write</span></code>: Performs a Clause 22 MDIO write operation.
+* <code class="docutils literal notranslate"><span
class="pre">reset</span></code>: An optional function to execute a
hardware-specific PHY reset.</p></li>
+<li><p><code class="docutils literal notranslate"><span
class="pre">struct</span> <span class="pre">mdio_lowerhalf_s</span></code>: The
container for the lower-half instance, which holds a pointer to the <code
class="docutils literal notranslate"><span class="pre">mdio_ops_s</span></code>
vtable
+and an optional private data pointer for the driver’s internal state.</p></li>
</ol>
-</div></blockquote>
-<p>The start offset of the packet in the packet is no longer zero, but some
-variable offset into the packet buffer. That new start offset would have
-to be passed to driver in order to send the packet.</p>
-<p>The key to making this all work is:</p>
-<blockquote>
-<div><ul class="simple">
-<li><p>Keep <code class="docutils literal notranslate"><span
class="pre">CONFIG_NET_GUARDSIZE</span></code> in all driver buffers,
and</p></li>
-<li><p>Set the <code class="docutils literal notranslate"><span
class="pre">CONFIG_NET_GUARDSIZE</span></code> to the maximum size of IPv4/IPv6
and TCP options
-(depending on which IP version is enabled and if TCP is enabled)</p></li>
-<li><p>Extend the driver interface to accept data offset into the driver’s
packet buffer.</p></li>
-</ul>
-</div></blockquote>
-</li>
-<li><p>Variable MSS</p>
-<p>Closely related to this is the MSS which is the maximum size of the payload.
-Currently that is a constant because it assumes the minimum header lengths.
-It should be variable, depending on the actual header sizes.</p>
-</li>
-</ul>
+</section>
+<section id="registration-and-unregistration">
+<h3>Registration and Unregistration<a class="headerlink"
href="#registration-and-unregistration" title="Permalink to this
heading"></a></h3>
+<p>The board-level initialization logic is responsible for instantiating the
lower-half driver and registering it with the upper-half via the <code
class="docutils literal notranslate"><span
class="pre">mdio_register()</span></code> function.
+Each call to this function with a distinct lower-half driver creates a new,
unique bus handle, allowing the system to manage several MDIO buses
concurrently.</p>
+<div class="highlight-c notranslate"><div
class="highlight"><pre><span></span><span class="n">FAR</span><span class="w">
</span><span class="k">struct</span><span class="w"> </span><span
class="nc">mdio_dev_s</span><span class="w"> </span><span
class="o">*</span><span class="n">mdio_register</span><span
class="p">(</span><span class="n">FAR</span><span class="w"> </span><span
class="k">struct</span><span class="w"> </span><span
class="nc">mdio_lowerhalf_s</span><span class="w"> </span><s [...]
+</pre></div>
+</div>
+<p>This function accepts the lower-half instance and returns an opaque handle
(<code class="docutils literal notranslate"><span class="pre">FAR</span> <span
class="pre">struct</span> <span class="pre">mdio_dev_s</span> <span
class="pre">*</span></code>),
+which is subsequently used by the PHY driver to interact with the bus.</p>
+<p>When a bus instance is no longer required, it should be deallocated by
calling the <code class="docutils literal notranslate"><span
class="pre">mdio_unregister()</span></code> function to ensure proper cleanup
of resources.</p>
+<div class="highlight-c notranslate"><div
class="highlight"><pre><span></span><span class="kt">int</span><span class="w">
</span><span class="nf">mdio_unregister</span><span class="p">(</span><span
class="n">FAR</span><span class="w"> </span><span class="k">struct</span><span
class="w"> </span><span class="nc">mdio_dev_s</span><span class="w">
</span><span class="o">*</span><span class="n">dev</span><span
class="p">);</span>
+</pre></div>
+</div>
+<p>This function takes the handle returned by <code class="docutils literal
notranslate"><span class="pre">mdio_register()</span></code> and releases the
associated bus instance.</p>
+<p>A (mostly) complete reference implementation for a lower-half driver is
available in <code class="docutils literal notranslate"><span
class="pre">arch/arm/src/stm32h7/stm32_mdio.c</span></code>.</p>
+</section>
</section>
</section>
@@ -286,7 +280,7 @@ It should be variable, depending on the actual header
sizes.</p>
</div>
<footer><div class="rst-footer-buttons" role="navigation"
aria-label="Footer">
<a href="netdriver.html" class="btn btn-neutral float-left"
title="Network Drivers" accesskey="p" rel="prev"><span class="fa
fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
- <a href="netlink.html" class="btn btn-neutral float-right"
title="Netlink Route support" accesskey="n" rel="next">Next <span class="fa
fa-arrow-circle-right" aria-hidden="true"></span></a>
+ <a href="netguardsize.html" class="btn btn-neutral float-right"
title="CONFIG_NET_GUARDSIZE" accesskey="n" rel="next">Next <span class="fa
fa-arrow-circle-right" aria-hidden="true"></span></a>
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<hr/>
diff --git a/content/docs/latest/components/net/nat.html
b/content/docs/latest/components/net/nat.html
index c2146b552..0eecd5e95 100644
--- a/content/docs/latest/components/net/nat.html
+++ b/content/docs/latest/components/net/nat.html
@@ -152,6 +152,7 @@
</li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/netdev.html
b/content/docs/latest/components/net/netdev.html
index 99889e41c..656ee5d27 100644
--- a/content/docs/latest/components/net/netdev.html
+++ b/content/docs/latest/components/net/netdev.html
@@ -155,6 +155,7 @@
</ul>
</li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/netdriver.html
b/content/docs/latest/components/net/netdriver.html
index c12cec591..36f6a16ad 100644
--- a/content/docs/latest/components/net/netdriver.html
+++ b/content/docs/latest/components/net/netdriver.html
@@ -46,7 +46,7 @@
<script src="../../_static/js/theme.js"></script>
<link rel="index" title="Index" href="../../genindex.html" />
<link rel="search" title="Search" href="../../search.html" />
- <link rel="next" title="CONFIG_NET_GUARDSIZE" href="netguardsize.html" />
+ <link rel="next" title="MDIO Bus Driver" href="mdio.html" />
<link rel="prev" title="Network Devices" href="netdev.html" />
</head>
@@ -150,6 +150,7 @@
<li class="toctree-l4"><a class="reference internal"
href="#lower-half-example">“Lower Half” Example</a></li>
</ul>
</li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
@@ -450,7 +451,7 @@ exceed the TX quota temporarily.</p></li>
</div>
<footer><div class="rst-footer-buttons" role="navigation"
aria-label="Footer">
<a href="netdev.html" class="btn btn-neutral float-left"
title="Network Devices" accesskey="p" rel="prev"><span class="fa
fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
- <a href="netguardsize.html" class="btn btn-neutral float-right"
title="CONFIG_NET_GUARDSIZE" accesskey="n" rel="next">Next <span class="fa
fa-arrow-circle-right" aria-hidden="true"></span></a>
+ <a href="mdio.html" class="btn btn-neutral float-right" title="MDIO
Bus Driver" accesskey="n" rel="next">Next <span class="fa
fa-arrow-circle-right" aria-hidden="true"></span></a>
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<hr/>
diff --git a/content/docs/latest/components/net/netguardsize.html
b/content/docs/latest/components/net/netguardsize.html
index 66d01a505..57116ff1e 100644
--- a/content/docs/latest/components/net/netguardsize.html
+++ b/content/docs/latest/components/net/netguardsize.html
@@ -47,7 +47,7 @@
<link rel="index" title="Index" href="../../genindex.html" />
<link rel="search" title="Search" href="../../search.html" />
<link rel="next" title="Netlink Route support" href="netlink.html" />
- <link rel="prev" title="Network Drivers" href="netdriver.html" />
+ <link rel="prev" title="MDIO Bus Driver" href="mdio.html" />
</head>
<body class="wy-body-for-nav">
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3 current"><a class="current reference internal"
href="#">CONFIG_NET_GUARDSIZE</a><ul>
<li class="toctree-l4"><a class="reference internal"
href="#global-option-for-all-drivers">Global Option for All Drivers</a></li>
<li class="toctree-l4"><a class="reference internal"
href="#packet-receipt">Packet Receipt</a></li>
@@ -285,7 +286,7 @@ It should be variable, depending on the actual header
sizes.</p>
</div>
</div>
<footer><div class="rst-footer-buttons" role="navigation"
aria-label="Footer">
- <a href="netdriver.html" class="btn btn-neutral float-left"
title="Network Drivers" accesskey="p" rel="prev"><span class="fa
fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+ <a href="mdio.html" class="btn btn-neutral float-left" title="MDIO Bus
Driver" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"
aria-hidden="true"></span> Previous</a>
<a href="netlink.html" class="btn btn-neutral float-right"
title="Netlink Route support" accesskey="n" rel="next">Next <span class="fa
fa-arrow-circle-right" aria-hidden="true"></span></a>
</div>
diff --git a/content/docs/latest/components/net/netlink.html
b/content/docs/latest/components/net/netlink.html
index 164633f87..91fc6e4f9 100644
--- a/content/docs/latest/components/net/netlink.html
+++ b/content/docs/latest/components/net/netlink.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3 current"><a class="current reference internal"
href="#">Netlink Route support</a><ul>
<li class="toctree-l4"><a class="reference internal"
href="#messages-content">Messages content</a></li>
diff --git a/content/docs/latest/components/net/pkt.html
b/content/docs/latest/components/net/pkt.html
index 5ba370792..097a62d68 100644
--- a/content/docs/latest/components/net/pkt.html
+++ b/content/docs/latest/components/net/pkt.html
@@ -150,6 +150,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/sixlowpan.html
b/content/docs/latest/components/net/sixlowpan.html
index 802f05c3e..d7ac94cde 100644
--- a/content/docs/latest/components/net/sixlowpan.html
+++ b/content/docs/latest/components/net/sixlowpan.html
@@ -153,6 +153,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/slip.html
b/content/docs/latest/components/net/slip.html
index 3e7939d7f..434af4c04 100644
--- a/content/docs/latest/components/net/slip.html
+++ b/content/docs/latest/components/net/slip.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3 current"><a class="current reference internal"
href="#">SLIP</a><ul>
diff --git a/content/docs/latest/components/net/socketcan.html
b/content/docs/latest/components/net/socketcan.html
index 2d09355d8..ece923f8e 100644
--- a/content/docs/latest/components/net/socketcan.html
+++ b/content/docs/latest/components/net/socketcan.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/tcp_network_perf.html
b/content/docs/latest/components/net/tcp_network_perf.html
index dffd2f535..0a174e843 100644
--- a/content/docs/latest/components/net/tcp_network_perf.html
+++ b/content/docs/latest/components/net/tcp_network_perf.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
diff --git a/content/docs/latest/components/net/wqueuedeadlocks.html
b/content/docs/latest/components/net/wqueuedeadlocks.html
index ce969f096..3b1912b57 100644
--- a/content/docs/latest/components/net/wqueuedeadlocks.html
+++ b/content/docs/latest/components/net/wqueuedeadlocks.html
@@ -146,6 +146,7 @@
<li class="toctree-l3"><a class="reference internal" href="nat.html">Network
Address Translation (NAT)</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdev.html">Network Devices</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netdriver.html">Network Drivers</a></li>
+<li class="toctree-l3"><a class="reference internal" href="mdio.html">MDIO Bus
Driver</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netguardsize.html">CONFIG_NET_GUARDSIZE</a></li>
<li class="toctree-l3"><a class="reference internal"
href="netlink.html">Netlink Route support</a></li>
<li class="toctree-l3"><a class="reference internal"
href="slip.html">SLIP</a></li>
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b/content/docs/latest/guides/fully_linked_elf.html
index 1435bbe6d..6c7a33226 100644
--- a/content/docs/latest/guides/fully_linked_elf.html
+++ b/content/docs/latest/guides/fully_linked_elf.html
@@ -475,7 +475,7 @@ NuttX package: <code class="docutils literal
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<div
class="admonition-here-is-an-alternative-minimal-and-possibly-outdated-version
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<p class="admonition-title">Here is an alternative minimal (and possibly
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+<input class="sphinx_collapse__input"
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b/content/docs/latest/guides/partially_linked_elf.html
index c3d53a74f..4a13bf81c 100644
--- a/content/docs/latest/guides/partially_linked_elf.html
+++ b/content/docs/latest/guides/partially_linked_elf.html
@@ -501,7 +501,7 @@ NuttX package: <code class="docutils literal
notranslate"><span class="pre">nutt
<div
class="admonition-here-is-an-alternative-minimal-and-possibly-outdated-version
admonition">
<p class="admonition-title">Here is an alternative minimal (and possibly
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class="sphinx_collapse__content docutils">
+<input class="sphinx_collapse__input"
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name="bab00f7a-8e94-48b7-9f90-343da11e9bbb" type="checkbox"><label
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index 2f96684f6..f704396e2 100644
--- a/content/docs/latest/index.html
+++ b/content/docs/latest/index.html
@@ -185,7 +185,7 @@ standards. Additional standard APIs from Unix and other
common RTOS’s (such as
VxWorks) are adopted for functionality not available under these standards, or
for functionality that is not appropriate for deeply-embedded environments
(such
as fork()).</p>
-<p>Last Updated: 25 September 25 at 00:31</p>
+<p>Last Updated: 26 September 25 at 00:29</p>
<div class="toctree-wrapper compound">
<p class="caption" role="heading"><span class="caption-text">Table of
Contents</span></p>
<ul class="current">
diff --git a/content/docs/latest/objects.inv b/content/docs/latest/objects.inv
index 810e0162c..42ba47d89 100644
Binary files a/content/docs/latest/objects.inv and
b/content/docs/latest/objects.inv differ
diff --git a/content/docs/latest/searchindex.js
b/content/docs/latest/searchindex.js
index e9006e9d3..05eb88f62 100644
--- a/content/docs/latest/searchindex.js
+++ b/content/docs/latest/searchindex.js
@@ -1 +1 @@
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"_tags/chip-example", "_tags/chip-fpga", "_tags/chip-imx8", "_tags/chip-imx93",
"_tag [...]
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+Search.setIndex({"docnames": ["_tags/arch-arm64", "_tags/arch-avr",
"_tags/arch-example", "_tags/arch-renesas", "_tags/chip-a527",
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"_tag [...]
\ No newline at end of file
diff --git a/content/feed.xml b/content/feed.xml
index 49c05fea1..8e4852bde 100644
--- a/content/feed.xml
+++ b/content/feed.xml
@@ -5,8 +5,8 @@
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<link>/</link>
<atom:link href="/feed.xml" rel="self" type="application/rss+xml"/>
- <pubDate>Thu, 25 Sep 2025 00:33:48 +0000</pubDate>
- <lastBuildDate>Thu, 25 Sep 2025 00:33:48 +0000</lastBuildDate>
+ <pubDate>Fri, 26 Sep 2025 00:32:09 +0000</pubDate>
+ <lastBuildDate>Fri, 26 Sep 2025 00:32:09 +0000</lastBuildDate>
<generator>Jekyll v4.3.2</generator>
<item>
