The kernel needs to be at least 4.19-rc7 to include the commit
9d2f67e43b73 ("net/packet: fix packet drop as of virtio gso")
otherwise the TSO packets are dropped when using raw sockets.
Fixes: 29cf9c1b3b9c ("userspace: Add TCP Segmentation Offload support")
Reported-by: Yi Yang (杨燚)-云服务集团 <yangy...@inspur.com>
Signed-off-by: Flavio Leitner <f...@sysclose.org>
---
Documentation/topics/userspace-tso.rst | 4 ++++
1 file changed, 4 insertions(+)
This applies to branch-2.13 as well.
diff --git a/Documentation/topics/userspace-tso.rst
b/Documentation/topics/userspace-tso.rst
index 0fbac93a5..da370e64f 100644
--- a/Documentation/topics/userspace-tso.rst
+++ b/Documentation/topics/userspace-tso.rst
@@ -113,6 +113,10 @@ __ https://patches.dpdk.org/patch/64136/
This fix is expected to be included in the 19.11.1 release. When OVS migrates
to this DPDK release, this limitation can be removed.
+All kernel devices that use the raw socket interface (veth, for example)
+require a kernel with minimum version of 4.19-rc7 to include the commit:
+9d2f67e43b73 ("net/packet: fix packet drop as of virtio gso").
+
~~~~~~~~~~~~~~~~~~
Performance Tuning
~~~~~~~~~~~~~~~~~~
--
2.24.1
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