From: Jianbo Liu <jianbo.liu@linaro.org>
To: dev@dpdk.org, helin.zhang@intel.com, jingjing.wu@intel.com
Cc: Jianbo Liu <jianbo.liu@linaro.org>
Subject: [dpdk-dev] [PATCH v2] i40e: enable i40e pmd on ARM platform
Date: Wed, 3 Aug 2016 15:42:51 +0530 [thread overview]
Message-ID: <1470219171-8725-1-git-send-email-jianbo.liu@linaro.org> (raw)
In-Reply-To: <1470121107-7622-1-git-send-email-jianbo.liu@linaro.org>
And add read memory barrier to avoid status inconsistency
between two RX descriptors readings.
Signed-off-by: Jianbo Liu <jianbo.liu@linaro.org>
---
config/defconfig_arm64-armv8a-linuxapp-gcc | 2 +-
doc/guides/nics/overview.rst | 2 +-
drivers/net/i40e/i40e_rxtx.c | 2 ++
3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/config/defconfig_arm64-armv8a-linuxapp-gcc b/config/defconfig_arm64-armv8a-linuxapp-gcc
index 1a17126..08f282b 100644
--- a/config/defconfig_arm64-armv8a-linuxapp-gcc
+++ b/config/defconfig_arm64-armv8a-linuxapp-gcc
@@ -46,6 +46,6 @@ CONFIG_RTE_EAL_IGB_UIO=n
CONFIG_RTE_LIBRTE_IVSHMEM=n
CONFIG_RTE_LIBRTE_FM10K_PMD=n
-CONFIG_RTE_LIBRTE_I40E_PMD=n
+CONFIG_RTE_LIBRTE_I40E_INC_VECTOR=n
CONFIG_RTE_SCHED_VECTOR=n
diff --git a/doc/guides/nics/overview.rst b/doc/guides/nics/overview.rst
index 6abbae6..5175591 100644
--- a/doc/guides/nics/overview.rst
+++ b/doc/guides/nics/overview.rst
@@ -138,7 +138,7 @@ Most of these differences are summarized below.
Linux VFIO Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
Other kdrv Y Y Y
ARMv7 Y Y Y
- ARMv8 Y Y Y Y Y Y Y Y
+ ARMv8 Y Y Y Y Y Y Y Y Y
Power8 Y Y Y
TILE-Gx Y
x86-32 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 554d167..19cfec4 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -994,6 +994,8 @@ i40e_rx_scan_hw_ring(struct i40e_rx_queue *rxq)
I40E_RXD_QW1_STATUS_SHIFT;
}
+ rte_rmb_smp();
+
/* Compute how many status bits were set */
for (j = 0, nb_dd = 0; j < I40E_LOOK_AHEAD; j++)
nb_dd += s[j] & (1 << I40E_RX_DESC_STATUS_DD_SHIFT);
--
2.4.11
next prev parent reply other threads:[~2016-08-03 10:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 6:58 [dpdk-dev] [PATCH] " Jianbo Liu
[not found] ` <82F45D86ADE5454A95A89742C8D1410E0330A4B6@shsmsx102.ccr.corp.intel.com>
2016-08-03 3:26 ` Yao, Lei A
2016-08-03 6:02 ` Jianbo Liu
2016-08-03 7:58 ` Thomas Monjalon
2016-08-03 9:33 ` Jianbo Liu
2016-08-03 8:29 ` Ananyev, Konstantin
2016-08-03 9:36 ` Jianbo Liu
2016-08-03 10:12 ` Jianbo Liu [this message]
2016-08-05 9:06 ` [dpdk-dev] [PATCH v3] " Jianbo Liu
2016-09-23 1:13 ` Zhang, Qi Z
2016-09-27 13:39 ` Bruce Richardson
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