[dpdk-dev] [PATCH 2/7] i40evf: support configuring crc stripping hw offload

[Helin Zhang <helin.zhang@intel.com>]

In VF driver, crc stripping hw offload is enabled or not, according
to the configurations in config file.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
---
 lib/librte_pmd_i40e/i40e_ethdev_vf.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/librte_pmd_i40e/i40e_ethdev_vf.c b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
index 4851df9..de71407 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev_vf.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
@@ -1062,8 +1062,22 @@ static struct rte_driver rte_i40evf_driver = {
 PMD_REGISTER_DRIVER(rte_i40evf_driver);
 
 static int
-i40evf_dev_configure(__rte_unused struct rte_eth_dev *dev)
+i40evf_dev_configure(struct rte_eth_dev *dev)
 {
+	struct rte_eth_conf* conf = &dev->data->dev_conf;
+
+#ifdef RTE_LIBRTE_I40E_PF_DISABLE_STRIP_CRC
+	if (conf->rxmode.hw_strip_crc) {
+		conf->rxmode.hw_strip_crc = 0;
+		PMD_DRV_LOG(INFO, "VF can not enable hw CRC stripping\n");
+	}
+#else
+	if (!conf->rxmode.hw_strip_crc) {
+		conf->rxmode.hw_strip_crc = 1;
+		PMD_DRV_LOG(INFO, "VF can not disable hw CRC stripping\n");
+}
+#endif
+
 	return 0;
 }
 
-- 
1.8.1.4