DPDK patches and discussions
 help / color / mirror / Atom feed
From: Steven Zou <steven.zou@intel.com>
To: dev@dpdk.org
Cc: qi.z.zhang@intel.com, guang3.yang@intel.com,
	Steven Zou <steven.zou@intel.com>
Subject: [PATCH] common/iavf: do not copy desc/buff in async mode
Date: Mon,  5 Sep 2022 09:42:06 +0800	[thread overview]
Message-ID: <20220905014206.14872-1-steven.zou@intel.com> (raw)

If cmd_details are defined or async flag is set,
don't copy the desc/buff back to temp.

Signed-off-by: Steven Zou <steven.zou@intel.com>
---
 drivers/common/iavf/iavf_adminq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/common/iavf/iavf_adminq.c b/drivers/common/iavf/iavf_adminq.c
index 0bf5af0cbe..2e59820b3b 100644
--- a/drivers/common/iavf/iavf_adminq.c
+++ b/drivers/common/iavf/iavf_adminq.c
@@ -784,7 +784,8 @@ enum iavf_status iavf_asq_send_command(struct iavf_hw *hw,
 	}
 
 	/* if ready, copy the desc back to temp */
-	if (iavf_asq_done(hw)) {
+	if (iavf_asq_done(hw) &&
+		!details->async && !details->postpone) {
 		iavf_memcpy(desc, desc_on_ring, sizeof(struct iavf_aq_desc),
 			    IAVF_DMA_TO_NONDMA);
 		if (buff != NULL)
-- 
2.34.1


             reply	other threads:[~2022-09-05  1:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-05  1:42 Steven Zou [this message]
2022-09-05  2:00 ` 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=20220905014206.14872-1-steven.zou@intel.com \
    --to=steven.zou@intel.com \
    --cc=dev@dpdk.org \
    --cc=guang3.yang@intel.com \
    --cc=qi.z.zhang@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).