From: xiangxia.m.yue@gmail.com
To: wei.dai@intel.com, beilei.xing@intel.com
Cc: dev@dpdk.org, Tonghao Zhang <xiangxia.m.yue@gmail.com>
Subject: [dpdk-dev] [PATCH v3 3/6] net/ixgbe: set the ITR via configuration.
Date: Sun, 14 Jan 2018 02:03:39 -0800 [thread overview]
Message-ID: <1515924222-19044-3-git-send-email-xiangxia.m.yue@gmail.com> (raw)
In-Reply-To: <1515924222-19044-1-git-send-email-xiangxia.m.yue@gmail.com>
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
With this patch, the ITR value of ixgbe PF, can be
configured as wanted.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 5 +----
drivers/net/ixgbe/ixgbe_rxtx.c | 3 ++-
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 6695ce8..604ee6d 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -89,9 +89,6 @@
*/
#define IXGBE_FC_LO 0x40
-/* Default minimum inter-interrupt interval for EITR configuration */
-#define IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT 0x79E
-
/* Timer value included in XOFF frames. */
#define IXGBE_FC_PAUSE 0x680
@@ -5885,7 +5882,7 @@ static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on)
break;
}
IXGBE_WRITE_REG(hw, IXGBE_EITR(IXGBE_MISC_VEC_ID),
- IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT & 0xFFF);
+ ixgbe_calc_itr_interval(RTE_LIBRTE_IXGBE_ITR_INTERVAL));
/* set up to autoclear timer, and the vectors */
mask = IXGBE_EIMS_ENABLE_MASK;
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 9bc8462..cb51f46 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -4695,7 +4695,8 @@ void __attribute__((cold))
* at most 500us latency for a single RSC aggregation.
*/
eitr &= ~IXGBE_EITR_ITR_INT_MASK;
- eitr |= IXGBE_EITR_INTERVAL_US(500) | IXGBE_EITR_CNT_WDIS;
+ eitr |= ixgbe_calc_itr_interval(RTE_LIBRTE_IXGBE_ITR_INTERVAL);
+ eitr |= IXGBE_EITR_CNT_WDIS;
IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl);
IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(rxq->reg_idx), rscctl);
--
1.8.3.1
next prev parent reply other threads:[~2018-01-14 10:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-14 10:03 [dpdk-dev] [PATCH v3 1/6] net/ixgbevf: unregister irq handler when other interrupts not allowed xiangxia.m.yue
2018-01-14 10:03 ` [dpdk-dev] [PATCH v3 2/6] net/ixgbevf: set the inter-interrupt interval for EITR xiangxia.m.yue
2018-01-14 10:03 ` xiangxia.m.yue [this message]
2018-01-14 10:03 ` [dpdk-dev] [PATCH v3 5/6] net/ixgbevf: save IXGBE_VTEIMS to intr->mask for performance xiangxia.m.yue
2018-01-14 10:03 ` [dpdk-dev] [PATCH v3 6/6] net/ixgbe: remove the unnecessary call rte_intr_enable xiangxia.m.yue
2018-01-15 4:57 ` [dpdk-dev] [PATCH v3 1/6] net/ixgbevf: unregister irq handler when other interrupts not allowed Dai, Wei
2018-01-15 8:57 ` Tonghao Zhang
2018-01-17 1:38 ` Tonghao Zhang
2018-01-17 14:49 ` Zhang, Helin
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