From: Qi Zhang <qi.z.zhang@intel.com>
To: jingjing.wu@intel.com
Cc: arjun.anantharam@intel.com, timothy.miskell@intel.com,
beilei.xing@intel.com, dev@dpdk.org,
Qi Zhang <qi.z.zhang@intel.com>,
stable@dpdk.org
Subject: [dpdk-dev] [PATCH] net/iavf: fix TSO max segment size
Date: Mon, 1 Mar 2021 15:57:14 +0800 [thread overview]
Message-ID: <20210301075714.1636918-1-qi.z.zhang@intel.com> (raw)
According to Intel® AVF spec
(https://www.intel.com/content/dam/
www/public/us/en/documents/product-specifications/
ethernet-adaptive-virtual-function-hardware-spec.pdf)
section 2.2.2.3:
The max segment size(MSS) of TSO should not be set lower than 88.
Fixes: a2b29a7733ef ("net/avf: enable basic Rx Tx")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/net/iavf/iavf_rxtx.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
index 922ddadad1..69979971fd 100644
--- a/drivers/net/iavf/iavf_rxtx.h
+++ b/drivers/net/iavf/iavf_rxtx.h
@@ -34,7 +34,7 @@
#define DEFAULT_TX_RS_THRESH 32
#define DEFAULT_TX_FREE_THRESH 32
-#define IAVF_MIN_TSO_MSS 256
+#define IAVF_MIN_TSO_MSS 88
#define IAVF_MAX_TSO_MSS 9668
#define IAVF_TSO_MAX_SEG UINT8_MAX
#define IAVF_TX_MAX_MTU_SEG 8
--
2.26.2
next reply other threads:[~2021-03-01 7:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 7:57 Qi Zhang [this message]
2021-03-26 1:27 ` Xing, Beilei
2021-03-26 6:49 ` Zhang, Qi Z
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210301075714.1636918-1-qi.z.zhang@intel.com \
--to=qi.z.zhang@intel.com \
--cc=arjun.anantharam@intel.com \
--cc=beilei.xing@intel.com \
--cc=dev@dpdk.org \
--cc=jingjing.wu@intel.com \
--cc=stable@dpdk.org \
--cc=timothy.miskell@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).