net/i40e: set VF VLAN tag from PF

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>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Vincent Jardin <vincent.jardin@6wind.com>

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 557e882..cdc0be5 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10975,3 +10975,71 @@ 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 i40e_pf *pf;
+       struct i40e_hw *hw;
+       struct i40e_vsi *vsi;
+       struct i40e_vsi_context ctxt;
+       int ret;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+       if (on > 1) {
+               PMD_DRV_LOG(ERR, "on should be 0 or 1.");
+               return -EINVAL;
+       }
+
+       dev = &rte_eth_devices[port];
+
+       if (is_i40e_pmd(dev->data->drv_name))
+               return -ENOTSUP;
+
+       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) {
+               PMD_DRV_LOG(ERR, "SRIOV is not enabled or no queue.");
+               return -ENODEV;
+       }
+
+       if (vf_id >= pf->vf_num || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid VF ID.");
+               return -EINVAL;
+       }
+
+       vsi = pf->vfs[vf_id].vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       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) {
+               ret = -ENOTSUP;
+               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 f4a6bf5..c97c1d1 100644 (file)
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -251,4 +251,22 @@ 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 6a3d77b..f0632ff 100644 (file)
--- 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_anti_spoof;
        rte_pmd_i40e_set_vf_vlan_insert;
        rte_pmd_i40e_set_vf_vlan_stripq;
+       rte_pmd_i40e_set_vf_vlan_tag;
 
 } DPDK_2.0;