dpdk/0102-net-hns3-fix-verification-of-NEON-support.patch
speech_white 3a8995b1ad Update DPDK baseline version
Update DPDK version from 19.11 to 20.11 and also support
hns3 PMD for Kunpeng 920 and Kunpeng 930.

Signed-off-by: speech_white <humin29@huawei.com>
2021-06-28 00:52:34 +00:00

81 lines
2.6 KiB
Diff

From 0be6bd46ca0352c7308a9bdb04d2f1a9d9ccd888 Mon Sep 17 00:00:00 2001
From: Chengwen Feng <fengchengwen@huawei.com>
Date: Tue, 13 Apr 2021 19:50:05 +0800
Subject: [PATCH 102/189] net/hns3: fix verification of NEON support
This patch adds verification of whether NEON supported.
Fixes: a3d4f4d291d7 ("net/hns3: support NEON Rx")
Fixes: e31f123db06b ("net/hns3: support NEON Tx")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_rxtx.c | 26 ++++++++++++++++++++------
1 file changed, 20 insertions(+), 6 deletions(-)
diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index cbcfb0b..f3ced19 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -11,7 +11,7 @@
#include <rte_io.h>
#include <rte_net.h>
#include <rte_malloc.h>
-#if defined(RTE_ARCH_ARM64) && defined(__ARM_FEATURE_SVE)
+#if defined(RTE_ARCH_ARM64)
#include <rte_cpuflags.h>
#endif
@@ -2766,7 +2766,17 @@ hns3_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id,
}
static bool
-hns3_check_sve_support(void)
+hns3_get_default_vec_support(void)
+{
+#if defined(RTE_ARCH_ARM64)
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON))
+ return true;
+#endif
+ return false;
+}
+
+static bool
+hns3_get_sve_support(void)
{
#if defined(RTE_ARCH_ARM64) && defined(__ARM_FEATURE_SVE)
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SVE))
@@ -2781,9 +2791,11 @@ hns3_get_rx_function(struct rte_eth_dev *dev)
struct hns3_adapter *hns = dev->data->dev_private;
uint64_t offloads = dev->data->dev_conf.rxmode.offloads;
bool vec_allowed, sve_allowed, simple_allowed;
+ bool vec_support;
- vec_allowed = hns3_rx_check_vec_support(dev) == 0;
- sve_allowed = vec_allowed && hns3_check_sve_support();
+ vec_support = hns3_rx_check_vec_support(dev) == 0;
+ vec_allowed = vec_support && hns3_get_default_vec_support();
+ sve_allowed = vec_support && hns3_get_sve_support();
simple_allowed = !dev->data->scattered_rx &&
(offloads & DEV_RX_OFFLOAD_TCP_LRO) == 0;
@@ -4170,9 +4182,11 @@ hns3_get_tx_function(struct rte_eth_dev *dev, eth_tx_prep_t *prep)
{
struct hns3_adapter *hns = dev->data->dev_private;
bool vec_allowed, sve_allowed, simple_allowed;
+ bool vec_support;
- vec_allowed = hns3_tx_check_vec_support(dev) == 0;
- sve_allowed = vec_allowed && hns3_check_sve_support();
+ vec_support = hns3_tx_check_vec_support(dev) == 0;
+ vec_allowed = vec_support && hns3_get_default_vec_support();
+ sve_allowed = vec_support && hns3_get_sve_support();
simple_allowed = hns3_tx_check_simple_support(dev);
*prep = NULL;
--
2.7.4