Re: [dpdk-dev] [PATCH] net/i40e: enable VF to program MAC address

[Ye Xiaolong <xiaolong.ye@intel.com>]

On 03/24, Guinan Sun wrote:
>Due to the restriction of the flag I40E_FLAG_VF_MAC_BY_PF,
>VF cannot program the MAC address.
>In order to solve this inflexibility, the use of I40E_FLAG_VF_MAC_BY_PF
>has been deleted in the code implementation to ensure that
>VF can flexibly program the MAC address.
>
>Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
>---
> drivers/net/i40e/i40e_ethdev.h    | 4 +---
> drivers/net/i40e/i40e_ethdev_vf.c | 8 +-------
> 2 files changed, 2 insertions(+), 10 deletions(-)
>
>diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
>index aac89de91..8cabdba6a 100644
>--- a/drivers/net/i40e/i40e_ethdev.h
>+++ b/drivers/net/i40e/i40e_ethdev.h
>@@ -124,7 +124,6 @@ enum i40e_flxpld_layer_idx {
> #define I40E_FLAG_FDIR                  (1ULL << 6)
> #define I40E_FLAG_VXLAN                 (1ULL << 7)
> #define I40E_FLAG_RSS_AQ_CAPABLE        (1ULL << 8)
>-#define I40E_FLAG_VF_MAC_BY_PF          (1ULL << 9)
> #define I40E_FLAG_ALL (I40E_FLAG_RSS | \
> 		       I40E_FLAG_DCB | \
> 		       I40E_FLAG_VMDQ | \
>@@ -133,8 +132,7 @@ enum i40e_flxpld_layer_idx {
> 		       I40E_FLAG_HEADER_SPLIT_ENABLED | \
> 		       I40E_FLAG_FDIR | \
> 		       I40E_FLAG_VXLAN | \
>-		       I40E_FLAG_RSS_AQ_CAPABLE | \
>-		       I40E_FLAG_VF_MAC_BY_PF)
>+		       I40E_FLAG_RSS_AQ_CAPABLE)
> 
> #define I40E_RSS_OFFLOAD_ALL ( \
> 	ETH_RSS_FRAG_IPV4 | \
>diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
>index 244397e0e..bb5d28a44 100644
>--- a/drivers/net/i40e/i40e_ethdev_vf.c
>+++ b/drivers/net/i40e/i40e_ethdev_vf.c
>@@ -1309,10 +1309,8 @@ i40evf_init_vf(struct rte_eth_dev *dev)
> 	vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
> 
> 	/* Store the MAC address configured by host, or generate random one */
>-	if (rte_is_valid_assigned_ether_addr(
>+	if (!rte_is_valid_assigned_ether_addr(
> 			(struct rte_ether_addr *)hw->mac.addr))
>-		vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
>-	else
> 		rte_eth_random_addr(hw->mac.addr); /* Generate a random one */
> 
> 	I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
>@@ -2780,7 +2778,6 @@ static int
> i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
> 			    struct rte_ether_addr *mac_addr)
> {
>-	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
> 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> 
> 	if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
>@@ -2788,9 +2785,6 @@ i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
> 		return -EINVAL;
> 	}
> 
>-	if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
>-		return -EPERM;
>-
> 	i40evf_del_mac_addr_by_addr(dev, (struct rte_ether_addr *)hw->mac.addr);
> 
> 	if (i40evf_add_mac_addr(dev, mac_addr, 0, 0) != 0)
>-- 
>2.17.1
>

Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>

Applied to dpdk-next-net-intel, Thanks.