netdev - [PATCH net-next 3/3] Documentation: bonding: add XDP support explanation

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Message-ID: <20241016031649.880-4-liuhangbin@gmail.com>
Date: Wed, 16 Oct 2024 03:16:49 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Andrii Nakryiko <andriin@...com>,
	Jussi Maki <joamaki@...il.com>,
	Jay Vosburgh <jv@...sburgh.net>,
	Andy Gospodarek <andy@...yhouse.net>,
	Jonathan Corbet <corbet@....net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bpf@...r.kernel.org,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next 3/3] Documentation: bonding: add XDP support explanation

Add document about which modes have native XDP support.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 Documentation/networking/bonding.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/networking/bonding.rst b/Documentation/networking/bonding.rst
index e774b48de9f5..6a1a6293dd3a 100644
--- a/Documentation/networking/bonding.rst
+++ b/Documentation/networking/bonding.rst
@@ -2916,6 +2916,18 @@ from the bond (``ifenslave -d bond0 eth0``). The bonding driver will
 then restore the MAC addresses that the slaves had before they were
 enslaved.
 
+9.  What modes does bonding have native XDP support?
+----------------------------------------------------
+
+Currently, native XDP is supported only in the following bonding modes:
+  * balance-rr (0)
+  * active-backup (1)
+  * balance-xor (2)
+  * 802.3ad (4)
+
+Note that the vlan+srcmac hash policy is not supported with native XDP.
+For other bonding modes, the XDP program must be loaded in generic mode.
+
 16. Resources and Links
 =======================
 
-- 
2.46.0