> -----Original Message-----
> From: Xing, Beilei
> Sent: Wednesday, September 26, 2018 9:51 AM
> To: Zhang, Qi Z <qi.z.zh...@intel.com>
> Cc: dev@dpdk.org
> Subject: [PATCH] net/i40e: remove keeping CRC configuration for VF
>
> Remove keeping CRC configuration since it's not supported by i40e VF.
>
> Signed-off-by: Beilei Xing <beilei.x...@intel.com>
> ---
> drivers/net/i40e/i40e_ethdev_vf.c | 14 ++------------
> 1 file changed, 2 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/i40e/i40e_ethdev_vf.c
> b/drivers/net/i40e/i40e_ethdev_vf.c
> index f9cedf5..4fa9d8d 100644
> --- a/drivers/net/i40e/i40e_ethdev_vf.c
> +++ b/drivers/net/i40e/i40e_ethdev_vf.c
> @@ -1523,7 +1523,6 @@ i40evf_dev_configure(struct rte_eth_dev *dev)
> struct i40e_adapter *ad =
> I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
> struct rte_eth_conf *conf = &dev->data->dev_conf;
> - struct i40e_vf *vf;
>
> /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
> * allocation or vector Rx preconditions we will reset it.
> @@ -1533,17 +1532,9 @@ i40evf_dev_configure(struct rte_eth_dev *dev)
> ad->tx_simple_allowed = true;
> ad->tx_vec_allowed = true;
>
> - /* For non-DPDK PF drivers, VF has no ability to disable HW
> - * CRC strip, and is implicitly enabled by the PF.
> - */
> if (conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
> - vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
> - if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
> - (vf->version_minor <= VIRTCHNL_VERSION_MINOR)) {
> - /* Peer is running non-DPDK PF driver. */
> - PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
> - return -EINVAL;
> - }
> + PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
> + return -EINVAL;
> }
Should we remove the whole branch here? the offload configure check is already
covered at rte_eth_dev_configure.
>
> return i40evf_init_vlan(dev);
> @@ -2180,7 +2171,6 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct
> rte_eth_dev_info *dev_info)
> DEV_RX_OFFLOAD_UDP_CKSUM |
> DEV_RX_OFFLOAD_TCP_CKSUM |
> DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
> - DEV_RX_OFFLOAD_KEEP_CRC |
> DEV_RX_OFFLOAD_SCATTER |
> DEV_RX_OFFLOAD_JUMBO_FRAME |
> DEV_RX_OFFLOAD_VLAN_FILTER;
> --
> 2.5.5
