From: Bruce Richardson <bruce.richardson@intel.com>
To: dev@dpdk.org
Cc: Bruce Richardson <bruce.richardson@intel.com>,
Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Subject: [PATCH] net/iavf: set interrupt throttling register
Date: Mon, 5 Oct 2026 12:06:13 +0100 [thread overview]
Message-ID: <20261005110613.473007-1-bruce.richardson@intel.com> (raw)
The interrupt throttling register(ITR) bank 0 value is set to 2, but
to ensure best performance across all systems also set the bank 1 value
to match.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
drivers/net/intel/iavf/iavf_ethdev.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/intel/iavf/iavf_ethdev.c b/drivers/net/intel/iavf/iavf_ethdev.c
index a8abe0154c..dc3cea0b95 100644
--- a/drivers/net/intel/iavf/iavf_ethdev.c
+++ b/drivers/net/intel/iavf/iavf_ethdev.c
@@ -899,10 +899,7 @@ static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
(0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK |
(2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
- /* debug - check for success! the return value
- * should be 2, offset is 0x2800
- */
- /* IAVF_READ_REG(hw, IAVF_VFINT_ITRN1(0, 0)); */
+ IAVF_WRITE_REG(hw, IAVF_VFINT_ITRN1(1, vf->msix_base - 1), 2);
} else {
/* If no WB_ON_ITR offload flags, need to set
* interrupt for descriptor write back.
--
2.53.0
next reply other threads:[~2026-10-05 11:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-05 11:06 Bruce Richardson [this message]
2026-10-06 14:51 ` [PATCH] net/iavf: set interrupt throttling register Burakov, Anatoly
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=20261005110613.473007-1-bruce.richardson@intel.com \
--to=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=vladimir.medvedkin@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