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From: Kamil Vojanec <vojanec@cesnet.cz>
To: dev@dpdk.org
Cc: Kamil Vojanec <vojanec@cesnet.cz>, Chas Williams <chas3@att.com>,
 "Min Hu (Connor)" <humin29@huawei.com>
Subject: [PATCH v2 2/2] doc/prog_guide: document direct link bonding mode
Date: Fri, 12 Apr 2024 14:27:40 +0200
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This commit introduces documentation for the newly introduced link
bonding mode.

Signed-off-by: Kamil Vojanec <vojanec@cesnet.cz>
---
 doc/guides/prog_guide/img/bond-mode-7.svg     | 908 ++++++++++++++++++
 .../link_bonding_poll_mode_drv_lib.rst        |  13 +
 2 files changed, 921 insertions(+)
 create mode 100644 doc/guides/prog_guide/img/bond-mode-7.svg

diff --git a/doc/guides/prog_guide/img/bond-mode-7.svg b/doc/guides/prog_guide/img/bond-mode-7.svg
new file mode 100644
index 0000000000..aae0a5132e
--- /dev/null
+++ b/doc/guides/prog_guide/img/bond-mode-7.svg
@@ -0,0 +1,908 @@
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diff --git a/doc/guides/prog_guide/link_bonding_poll_mode_drv_lib.rst b/doc/guides/prog_guide/link_bonding_poll_mode_drv_lib.rst
index 60717a3587..146add35a5 100644
--- a/doc/guides/prog_guide/link_bonding_poll_mode_drv_lib.rst
+++ b/doc/guides/prog_guide/link_bonding_poll_mode_drv_lib.rst
@@ -129,6 +129,19 @@ Currently the Link Bonding PMD library supports following modes of operation:
     changes the transmitting member, according to the computed load. Statistics
     are collected in 100ms intervals and scheduled every 10ms.
 
+*   **Transmit Load Balancing (Mode 7):**
+
+.. figure:: img/bond-mode-7.*
+
+   Direct TX (Mode 7)
+
+
+    This mode is a specialized version of round robin bonding mode. It transmits
+    packets to the same member ports on which they were received (based on the
+    ``port`` attribute of ``struct rte_mbuf``). In case the port attribute does
+    not belong to any managed bonding members, this mode reverts back to round
+    robin TX mode. Note that this mode does not implement a specific RX mode,
+    instead using a round robin approach.
 
 Implementation Details
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