+static int
+axgbe_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vid, int on)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ unsigned long vid_bit, vid_idx;
+
+ vid_bit = VLAN_TABLE_BIT(vid);
+ vid_idx = VLAN_TABLE_IDX(vid);
+
+ if (on) {
+ PMD_DRV_LOG(DEBUG, "Set VLAN vid=%d for device = %s\n",
+ vid, pdata->eth_dev->device->name);
+ pdata->active_vlans[vid_idx] |= vid_bit;
+ } else {
+ PMD_DRV_LOG(DEBUG, "Reset VLAN vid=%d for device = %s\n",
+ vid, pdata->eth_dev->device->name);
+ pdata->active_vlans[vid_idx] &= ~vid_bit;
+ }
+ pdata->hw_if.update_vlan_hash_table(pdata);
+ return 0;
+}
+
+static int
+axgbe_vlan_tpid_set(struct rte_eth_dev *dev,
+ enum rte_vlan_type vlan_type,
+ uint16_t tpid)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ uint32_t reg = 0;
+ uint32_t qinq = 0;
+
+ qinq = AXGMAC_IOREAD_BITS(pdata, MAC_VLANTR, EDVLP);
+ PMD_DRV_LOG(DEBUG, "EDVLP: qinq = 0x%x\n", qinq);
+
+ switch (vlan_type) {
+ case ETH_VLAN_TYPE_INNER:
+ PMD_DRV_LOG(DEBUG, "ETH_VLAN_TYPE_INNER\n");
+ if (qinq) {
+ if (tpid != 0x8100 && tpid != 0x88a8)
+ PMD_DRV_LOG(ERR,
+ "tag supported 0x8100/0x88A8\n");
+ PMD_DRV_LOG(DEBUG, "qinq with inner tag\n");
+
+ /*Enable Inner VLAN Tag */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, ERIVLT, 1);
+ reg = AXGMAC_IOREAD_BITS(pdata, MAC_VLANTR, ERIVLT);
+ PMD_DRV_LOG(DEBUG, "bit ERIVLT = 0x%x\n", reg);
+
+ } else {
+ PMD_DRV_LOG(ERR,
+ "Inner type not supported in single tag\n");
+ }
+ break;
+ case ETH_VLAN_TYPE_OUTER:
+ PMD_DRV_LOG(DEBUG, "ETH_VLAN_TYPE_OUTER\n");
+ if (qinq) {
+ PMD_DRV_LOG(DEBUG, "double tagging is enabled\n");
+ /*Enable outer VLAN tag*/
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, ERIVLT, 0);
+ reg = AXGMAC_IOREAD_BITS(pdata, MAC_VLANTR, ERIVLT);
+ PMD_DRV_LOG(DEBUG, "bit ERIVLT = 0x%x\n", reg);
+
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANIR, CSVL, 1);
+ reg = AXGMAC_IOREAD_BITS(pdata, MAC_VLANIR, CSVL);
+ PMD_DRV_LOG(DEBUG, "bit CSVL = 0x%x\n", reg);
+ } else {
+ if (tpid != 0x8100 && tpid != 0x88a8)
+ PMD_DRV_LOG(ERR,
+ "tag supported 0x8100/0x88A8\n");
+ }
+ break;
+ case ETH_VLAN_TYPE_MAX:
+ PMD_DRV_LOG(ERR, "ETH_VLAN_TYPE_MAX\n");
+ break;
+ case ETH_VLAN_TYPE_UNKNOWN:
+ PMD_DRV_LOG(ERR, "ETH_VLAN_TYPE_UNKNOWN\n");
+ break;
+ }
+ return 0;
+}
+
+static void axgbe_vlan_extend_enable(struct axgbe_port *pdata)
+{
+ int qinq = 0;
+
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, EDVLP, 1);
+ qinq = AXGMAC_IOREAD_BITS(pdata, MAC_VLANTR, EDVLP);
+ PMD_DRV_LOG(DEBUG, "vlan double tag enabled EDVLP:qinq=0x%x\n", qinq);
+}
+
+static void axgbe_vlan_extend_disable(struct axgbe_port *pdata)
+{
+ int qinq = 0;
+
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, EDVLP, 0);
+ qinq = AXGMAC_IOREAD_BITS(pdata, MAC_VLANTR, EDVLP);
+ PMD_DRV_LOG(DEBUG, "vlan double tag disable EDVLP:qinq=0x%x\n", qinq);
+}
+
+static int
+axgbe_vlan_offload_set(struct rte_eth_dev *dev, int mask)
+{
+ struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+ struct axgbe_port *pdata = dev->data->dev_private;
+
+ /* Indicate that VLAN Tx CTAGs come from context descriptors */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANIR, CSVL, 0);
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANIR, VLTI, 1);
+
+ if (mask & ETH_VLAN_STRIP_MASK) {
+ if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP) {
+ PMD_DRV_LOG(DEBUG, "Strip ON for device = %s\n",
+ pdata->eth_dev->device->name);
+ pdata->hw_if.enable_rx_vlan_stripping(pdata);
+ } else {
+ PMD_DRV_LOG(DEBUG, "Strip OFF for device = %s\n",
+ pdata->eth_dev->device->name);
+ pdata->hw_if.disable_rx_vlan_stripping(pdata);
+ }
+ }
+ if (mask & ETH_VLAN_FILTER_MASK) {
+ if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
+ PMD_DRV_LOG(DEBUG, "Filter ON for device = %s\n",
+ pdata->eth_dev->device->name);
+ pdata->hw_if.enable_rx_vlan_filtering(pdata);
+ } else {
+ PMD_DRV_LOG(DEBUG, "Filter OFF for device = %s\n",
+ pdata->eth_dev->device->name);
+ pdata->hw_if.disable_rx_vlan_filtering(pdata);
+ }
+ }
+ if (mask & ETH_VLAN_EXTEND_MASK) {
+ if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_EXTEND) {
+ PMD_DRV_LOG(DEBUG, "enabling vlan extended mode\n");
+ axgbe_vlan_extend_enable(pdata);
+ /* Set global registers with default ethertype*/
+ axgbe_vlan_tpid_set(dev, ETH_VLAN_TYPE_OUTER,
+ RTE_ETHER_TYPE_VLAN);
+ axgbe_vlan_tpid_set(dev, ETH_VLAN_TYPE_INNER,
+ RTE_ETHER_TYPE_VLAN);
+ } else {
+ PMD_DRV_LOG(DEBUG, "disabling vlan extended mode\n");
+ axgbe_vlan_extend_disable(pdata);
+ }
+ }
+ return 0;
+}
+