i40evf: mac vlan filter

It mainly add i40e_vf_mac_filter_set() function to support perfect match
and hash match of MAC address and VLAN ID for VF.

Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Tested-by: Yong Liu <yong.liu@intel.com>

diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
index b75b271..d768a08 100644 (file)
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -1618,6 +1618,119 @@ i40e_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
                memset(&pf->dev_addr, 0, sizeof(struct ether_addr));
 }
 
+/* Set perfect match or hash match of MAC and VLAN for a VF */
+static int
+i40e_vf_mac_filter_set(struct i40e_pf *pf,
+                struct rte_eth_mac_filter *filter,
+                bool add)
+{
+       struct i40e_hw *hw;
+       struct i40e_mac_filter_info mac_filter;
+       struct ether_addr old_mac;
+       struct ether_addr *new_mac;
+       struct i40e_pf_vf *vf = NULL;
+       uint16_t vf_id;
+       int ret;
+
+       if (pf == NULL) {
+               PMD_DRV_LOG(ERR, "Invalid PF argument\n");
+               return -EINVAL;
+       }
+       hw = I40E_PF_TO_HW(pf);
+
+       if (filter == NULL) {
+               PMD_DRV_LOG(ERR, "Invalid mac filter argument\n");
+               return -EINVAL;
+       }
+
+       new_mac = &filter->mac_addr;
+
+       if (is_zero_ether_addr(new_mac)) {
+               PMD_DRV_LOG(ERR, "Invalid ethernet address\n");
+               return -EINVAL;
+       }
+
+       vf_id = filter->dst_id;
+
+       if (vf_id > pf->vf_num - 1 || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid argument\n");
+               return -EINVAL;
+       }
+       vf = &pf->vfs[vf_id];
+
+       if (add && is_same_ether_addr(new_mac, &(pf->dev_addr))) {
+               PMD_DRV_LOG(INFO, "Ignore adding permanent MAC address\n");
+               return -EINVAL;
+       }
+
+       if (add) {
+               (void)rte_memcpy(&old_mac, hw->mac.addr, ETHER_ADDR_LEN);
+               (void)rte_memcpy(hw->mac.addr, new_mac->addr_bytes,
+                               ETHER_ADDR_LEN);
+               (void)rte_memcpy(&mac_filter.mac_addr, &filter->mac_addr,
+                                ETHER_ADDR_LEN);
+
+               mac_filter.filter_type = filter->filter_type;
+               ret = i40e_vsi_add_mac(vf->vsi, &mac_filter);
+               if (ret != I40E_SUCCESS) {
+                       PMD_DRV_LOG(ERR, "Failed to add MAC filter\n");
+                       return -1;
+               }
+               ether_addr_copy(new_mac, &pf->dev_addr);
+       } else {
+               (void)rte_memcpy(hw->mac.addr, hw->mac.perm_addr,
+                               ETHER_ADDR_LEN);
+               ret = i40e_vsi_delete_mac(vf->vsi, &filter->mac_addr);
+               if (ret != I40E_SUCCESS) {
+                       PMD_DRV_LOG(ERR, "Failed to delete MAC filter\n");
+                       return -1;
+               }
+
+               /* Clear device address as it has been removed */
+               if (is_same_ether_addr(&(pf->dev_addr), new_mac))
+                       memset(&pf->dev_addr, 0, sizeof(struct ether_addr));
+       }
+
+       return 0;
+}
+
+/* MAC filter handle */
+static int
+i40e_mac_filter_handle(struct rte_eth_dev *dev, enum rte_filter_op filter_op,
+               void *arg)
+{
+       struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+       struct rte_eth_mac_filter *filter;
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       int ret = I40E_NOT_SUPPORTED;
+
+       filter = (struct rte_eth_mac_filter *)(arg);
+
+       switch (filter_op) {
+       case RTE_ETH_FILTER_NONE:
+               ret = I40E_SUCCESS;
+               break;
+       case RTE_ETH_FILTER_ADD:
+               i40e_pf_disable_irq0(hw);
+               if (filter->is_vf)
+                       ret = i40e_vf_mac_filter_set(pf, filter, 1);
+               i40e_pf_enable_irq0(hw);
+               break;
+       case RTE_ETH_FILTER_DELETE:
+               i40e_pf_disable_irq0(hw);
+               if (filter->is_vf)
+                       ret = i40e_vf_mac_filter_set(pf, filter, 0);
+               i40e_pf_enable_irq0(hw);
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "unknown operation %u\n", filter_op);
+               ret = I40E_ERR_PARAM;
+               break;
+       }
+
+       return ret;
+}
+
 static int
 i40e_dev_rss_reta_update(struct rte_eth_dev *dev,
                         struct rte_eth_rss_reta *reta_conf)
@@ -4580,6 +4693,9 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
                return -EINVAL;
 
        switch (filter_type) {
+       case RTE_ETH_FILTER_MACVLAN:
+               ret = i40e_mac_filter_handle(dev, filter_op, arg);
+               break;
        case RTE_ETH_FILTER_TUNNEL:
                ret = i40e_tunnel_filter_handle(dev, filter_op, arg);
                break;