[dpdk-dev] [PATCH v4 16/29] net/i40e: set VF VLAN tag from PF

[Ferruh Yigit <ferruh.yigit@intel.com>]

From: Bernard Iremonger <bernard.iremonger@intel.com>

Add rte_pmd_i40e_set_vf_vlan_tag API.
User can call the API on PF to enable/disable a specific
VF's VLAN tag.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c            | 59 +++++++++++++++++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e.h           | 18 ++++++++++
 drivers/net/i40e/rte_pmd_i40e_version.map |  1 +
 3 files changed, 78 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index a8361df..207a62e 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10351,3 +10351,62 @@ int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id,
 
 	return ret;
 }
+
+int rte_pmd_i40e_set_vf_vlan_tag(uint8_t port, uint16_t vf_id, uint8_t on)
+{
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+	struct i40e_pf *pf;
+	struct i40e_pf_vf *vf;
+	struct i40e_hw *hw;
+	struct i40e_vsi *vsi;
+	struct i40e_vsi_context ctxt;
+	int ret;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf_id >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+	hw = I40E_PF_TO_HW(pf);
+
+	/**
+	 * return -ENODEV if SRIOV not enabled, VF number not configured
+	 * or no queue assigned.
+	 */
+	if (!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
+		return -ENODEV;
+
+	if (vf_id >= pf->vf_num)
+		return -EINVAL;
+
+	vf = &pf->vfs[vf_id];
+	vsi = vf->vsi;
+
+	vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID);
+	if (on) {
+		vsi->info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_TAGGED;
+		vsi->info.port_vlan_flags &= ~I40E_AQ_VSI_PVLAN_MODE_UNTAGGED;
+	} else {
+		vsi->info.port_vlan_flags |= I40E_AQ_VSI_PVLAN_MODE_UNTAGGED;
+		vsi->info.port_vlan_flags &= ~I40E_AQ_VSI_PVLAN_MODE_TAGGED;
+	}
+
+	memset(&ctxt, 0, sizeof(ctxt));
+	(void)rte_memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info));
+	ctxt.seid = vsi->seid;
+
+	hw = I40E_VSI_TO_HW(vsi);
+	ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
+	if (ret != I40E_SUCCESS)
+		PMD_DRV_LOG(ERR, "Failed to update VSI params");
+
+	return ret;
+}
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 02f7109..b9bf8d1 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -244,4 +244,22 @@ int rte_pmd_i40e_set_vf_vlan_insert(uint8_t port, uint16_t vf_id,
 int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id,
 					uint8_t on);
 
+/**
+ * Enable/Disable vf vlan tag
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param vlan_id
+ *    0 - Disable VF's vlan tag.
+ *    n - Enable VF's vlan tag.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_i40e_set_vf_vlan_tag(uint8_t port, uint16_t vf_id, uint8_t on);
+
 #endif /* _PMD_I40E_H_ */
diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map b/drivers/net/i40e/rte_pmd_i40e_version.map
index 76a3ef8..22e2716 100644
--- a/drivers/net/i40e/rte_pmd_i40e_version.map
+++ b/drivers/net/i40e/rte_pmd_i40e_version.map
@@ -16,5 +16,6 @@ DPDK_17.02 {
 	rte_pmd_i40e_set_vf_vlan_stripq;
 	rte_pmd_i40e_set_vf_vlan_insert;
 	rte_pmd_i40e_set_vf_broadcast;
+	rte_pmd_i40e_set_vf_vlan_tag;
 
 } DPDK_2.0;
-- 
2.9.3