net/atlantic: implement promisc and allmulti modes
[dpdk.git] / drivers / net / atlantic / atl_ethdev.c
index 870eafb..5223b57 100644 (file)
@@ -18,8 +18,27 @@ static int eth_atl_dev_uninit(struct rte_eth_dev *eth_dev);
 static int  atl_dev_configure(struct rte_eth_dev *dev);
 static int  atl_dev_start(struct rte_eth_dev *dev);
 static void atl_dev_stop(struct rte_eth_dev *dev);
+static int  atl_dev_set_link_up(struct rte_eth_dev *dev);
+static int  atl_dev_set_link_down(struct rte_eth_dev *dev);
 static void atl_dev_close(struct rte_eth_dev *dev);
 static int  atl_dev_reset(struct rte_eth_dev *dev);
+static void atl_dev_promiscuous_enable(struct rte_eth_dev *dev);
+static void atl_dev_promiscuous_disable(struct rte_eth_dev *dev);
+static void atl_dev_allmulticast_enable(struct rte_eth_dev *dev);
+static void atl_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static int  atl_dev_link_update(struct rte_eth_dev *dev, int wait);
+
+static int atl_dev_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
+                                   struct rte_eth_xstat_name *xstats_names,
+                                   unsigned int size);
+
+static int atl_dev_stats_get(struct rte_eth_dev *dev,
+                               struct rte_eth_stats *stats);
+
+static int atl_dev_xstats_get(struct rte_eth_dev *dev,
+                             struct rte_eth_xstat *stats, unsigned int n);
+
+static void atl_dev_stats_reset(struct rte_eth_dev *dev);
 
 static int atl_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
                              size_t fw_size);
@@ -27,6 +46,17 @@ static int atl_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
 static void atl_dev_info_get(struct rte_eth_dev *dev,
                               struct rte_eth_dev_info *dev_info);
 
+static const uint32_t *atl_dev_supported_ptypes_get(struct rte_eth_dev *dev);
+
+static void atl_dev_link_status_print(struct rte_eth_dev *dev);
+
+/* Interrupts */
+static int atl_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
+static int atl_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
+static int atl_dev_interrupt_get_status(struct rte_eth_dev *dev);
+static int atl_dev_interrupt_action(struct rte_eth_dev *dev,
+                                   struct rte_intr_handle *handle);
+static void atl_dev_interrupt_handler(void *param);
 
 static int eth_atl_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        struct rte_pci_device *pci_dev);
@@ -69,21 +99,115 @@ static const struct rte_pci_id pci_id_atl_map[] = {
 
 static struct rte_pci_driver rte_atl_pmd = {
        .id_table = pci_id_atl_map,
-       .drv_flags = RTE_PCI_DRV_NEED_MAPPING |
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
                     RTE_PCI_DRV_IOVA_AS_VA,
        .probe = eth_atl_pci_probe,
        .remove = eth_atl_pci_remove,
 };
 
+#define ATL_RX_OFFLOADS (DEV_RX_OFFLOAD_VLAN_STRIP \
+                       | DEV_RX_OFFLOAD_IPV4_CKSUM \
+                       | DEV_RX_OFFLOAD_UDP_CKSUM \
+                       | DEV_RX_OFFLOAD_TCP_CKSUM \
+                       | DEV_RX_OFFLOAD_JUMBO_FRAME)
+
+#define ATL_TX_OFFLOADS (DEV_TX_OFFLOAD_VLAN_INSERT \
+                       | DEV_TX_OFFLOAD_IPV4_CKSUM \
+                       | DEV_TX_OFFLOAD_UDP_CKSUM \
+                       | DEV_TX_OFFLOAD_TCP_CKSUM \
+                       | DEV_TX_OFFLOAD_TCP_TSO \
+                       | DEV_TX_OFFLOAD_MULTI_SEGS)
+
+static const struct rte_eth_desc_lim rx_desc_lim = {
+       .nb_max = ATL_MAX_RING_DESC,
+       .nb_min = ATL_MIN_RING_DESC,
+       .nb_align = ATL_RXD_ALIGN,
+};
+
+static const struct rte_eth_desc_lim tx_desc_lim = {
+       .nb_max = ATL_MAX_RING_DESC,
+       .nb_min = ATL_MIN_RING_DESC,
+       .nb_align = ATL_TXD_ALIGN,
+       .nb_seg_max = ATL_TX_MAX_SEG,
+       .nb_mtu_seg_max = ATL_TX_MAX_SEG,
+};
+
+#define ATL_XSTATS_FIELD(name) { \
+       #name, \
+       offsetof(struct aq_stats_s, name) \
+}
+
+struct atl_xstats_tbl_s {
+       const char *name;
+       unsigned int offset;
+};
+
+static struct atl_xstats_tbl_s atl_xstats_tbl[] = {
+       ATL_XSTATS_FIELD(uprc),
+       ATL_XSTATS_FIELD(mprc),
+       ATL_XSTATS_FIELD(bprc),
+       ATL_XSTATS_FIELD(erpt),
+       ATL_XSTATS_FIELD(uptc),
+       ATL_XSTATS_FIELD(mptc),
+       ATL_XSTATS_FIELD(bptc),
+       ATL_XSTATS_FIELD(erpr),
+       ATL_XSTATS_FIELD(ubrc),
+       ATL_XSTATS_FIELD(ubtc),
+       ATL_XSTATS_FIELD(mbrc),
+       ATL_XSTATS_FIELD(mbtc),
+       ATL_XSTATS_FIELD(bbrc),
+       ATL_XSTATS_FIELD(bbtc),
+};
+
 static const struct eth_dev_ops atl_eth_dev_ops = {
        .dev_configure        = atl_dev_configure,
        .dev_start            = atl_dev_start,
        .dev_stop             = atl_dev_stop,
+       .dev_set_link_up      = atl_dev_set_link_up,
+       .dev_set_link_down    = atl_dev_set_link_down,
        .dev_close            = atl_dev_close,
        .dev_reset            = atl_dev_reset,
 
+       /* PROMISC */
+       .promiscuous_enable   = atl_dev_promiscuous_enable,
+       .promiscuous_disable  = atl_dev_promiscuous_disable,
+       .allmulticast_enable  = atl_dev_allmulticast_enable,
+       .allmulticast_disable = atl_dev_allmulticast_disable,
+
+       /* Link */
+       .link_update          = atl_dev_link_update,
+
+       /* Stats */
+       .stats_get            = atl_dev_stats_get,
+       .xstats_get           = atl_dev_xstats_get,
+       .xstats_get_names     = atl_dev_xstats_get_names,
+       .stats_reset          = atl_dev_stats_reset,
+       .xstats_reset         = atl_dev_stats_reset,
+
        .fw_version_get       = atl_fw_version_get,
        .dev_infos_get        = atl_dev_info_get,
+       .dev_supported_ptypes_get = atl_dev_supported_ptypes_get,
+
+       /* Queue Control */
+       .rx_queue_start       = atl_rx_queue_start,
+       .rx_queue_stop        = atl_rx_queue_stop,
+       .rx_queue_setup       = atl_rx_queue_setup,
+       .rx_queue_release     = atl_rx_queue_release,
+
+       .tx_queue_start       = atl_tx_queue_start,
+       .tx_queue_stop        = atl_tx_queue_stop,
+       .tx_queue_setup       = atl_tx_queue_setup,
+       .tx_queue_release     = atl_tx_queue_release,
+
+       .rx_queue_intr_enable = atl_dev_rx_queue_intr_enable,
+       .rx_queue_intr_disable = atl_dev_rx_queue_intr_disable,
+
+       .rx_queue_count       = atl_rx_queue_count,
+       .rx_descriptor_status = atl_dev_rx_descriptor_status,
+       .tx_descriptor_status = atl_dev_tx_descriptor_status,
+
+       .rxq_info_get         = atl_rxq_info_get,
+       .txq_info_get         = atl_txq_info_get,
 };
 
 static inline int32_t
@@ -92,12 +216,28 @@ atl_reset_hw(struct aq_hw_s *hw)
        return hw_atl_b0_hw_reset(hw);
 }
 
+static inline void
+atl_enable_intr(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw_atl_itr_irq_msk_setlsw_set(hw, 0xffffffff);
+}
+
+static void
+atl_disable_intr(struct aq_hw_s *hw)
+{
+       PMD_INIT_FUNC_TRACE();
+       hw_atl_itr_irq_msk_clearlsw_set(hw, 0xffffffff);
+}
+
 static int
 eth_atl_dev_init(struct rte_eth_dev *eth_dev)
 {
        struct atl_adapter *adapter =
                (struct atl_adapter *)eth_dev->data->dev_private;
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+       struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
        int err = 0;
 
@@ -120,9 +260,17 @@ eth_atl_dev_init(struct rte_eth_dev *eth_dev)
        /* Hardware configuration - hardcode */
        adapter->hw_cfg.is_lro = false;
        adapter->hw_cfg.wol = false;
+       adapter->hw_cfg.link_speed_msk = AQ_NIC_RATE_10G |
+                         AQ_NIC_RATE_5G |
+                         AQ_NIC_RATE_2G5 |
+                         AQ_NIC_RATE_1G |
+                         AQ_NIC_RATE_100M;
 
        hw->aq_nic_cfg = &adapter->hw_cfg;
 
+       /* disable interrupt */
+       atl_disable_intr(hw);
+
        /* Allocate memory for storing MAC addresses */
        eth_dev->data->mac_addrs = rte_zmalloc("atlantic", ETHER_ADDR_LEN, 0);
        if (eth_dev->data->mac_addrs == NULL) {
@@ -139,12 +287,26 @@ eth_atl_dev_init(struct rte_eth_dev *eth_dev)
                        eth_dev->data->mac_addrs->addr_bytes) != 0)
                return -EINVAL;
 
+       /* Reset the hw statistics */
+       atl_dev_stats_reset(eth_dev);
+
+       rte_intr_callback_register(intr_handle,
+                                  atl_dev_interrupt_handler, eth_dev);
+
+       /* enable uio/vfio intr/eventfd mapping */
+       rte_intr_enable(intr_handle);
+
+       /* enable support intr */
+       atl_enable_intr(eth_dev);
+
        return err;
 }
 
 static int
 eth_atl_dev_uninit(struct rte_eth_dev *eth_dev)
 {
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+       struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
        struct aq_hw_s *hw;
 
        PMD_INIT_FUNC_TRACE();
@@ -161,6 +323,11 @@ eth_atl_dev_uninit(struct rte_eth_dev *eth_dev)
        eth_dev->rx_pkt_burst = NULL;
        eth_dev->tx_pkt_burst = NULL;
 
+       /* disable uio intr before callback unregister */
+       rte_intr_disable(intr_handle);
+       rte_intr_callback_unregister(intr_handle,
+                                    atl_dev_interrupt_handler, eth_dev);
+
        rte_free(eth_dev->data->mac_addrs);
        eth_dev->data->mac_addrs = NULL;
 
@@ -182,8 +349,16 @@ eth_atl_pci_remove(struct rte_pci_device *pci_dev)
 }
 
 static int
-atl_dev_configure(struct rte_eth_dev *dev __rte_unused)
+atl_dev_configure(struct rte_eth_dev *dev)
 {
+       struct atl_interrupt *intr =
+               ATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* set flag to update link status after init */
+       intr->flags |= ATL_FLAG_NEED_LINK_UPDATE;
+
        return 0;
 }
 
@@ -195,6 +370,11 @@ static int
 atl_dev_start(struct rte_eth_dev *dev)
 {
        struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+       struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+       uint32_t intr_vector = 0;
+       uint32_t *link_speeds;
+       uint32_t speed = 0;
        int status;
        int err;
 
@@ -203,6 +383,16 @@ atl_dev_start(struct rte_eth_dev *dev)
        /* set adapter started */
        hw->adapter_stopped = 0;
 
+       if (dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
+               PMD_INIT_LOG(ERR,
+               "Invalid link_speeds for port %u, fix speed not supported",
+                               dev->data->port_id);
+               return -EINVAL;
+       }
+
+       /* disable uio/vfio intr/eventfd mapping */
+       rte_intr_disable(intr_handle);
+
        /* reinitialize adapter
         * this calls reset and start
         */
@@ -213,6 +403,32 @@ atl_dev_start(struct rte_eth_dev *dev)
        err = hw_atl_b0_hw_init(hw, dev->data->mac_addrs->addr_bytes);
 
        hw_atl_b0_hw_start(hw);
+       /* check and configure queue intr-vector mapping */
+       if ((rte_intr_cap_multiple(intr_handle) ||
+           !RTE_ETH_DEV_SRIOV(dev).active) &&
+           dev->data->dev_conf.intr_conf.rxq != 0) {
+               intr_vector = dev->data->nb_rx_queues;
+               if (intr_vector > ATL_MAX_INTR_QUEUE_NUM) {
+                       PMD_INIT_LOG(ERR, "At most %d intr queues supported",
+                                       ATL_MAX_INTR_QUEUE_NUM);
+                       return -ENOTSUP;
+               }
+               if (rte_intr_efd_enable(intr_handle, intr_vector)) {
+                       PMD_INIT_LOG(ERR, "rte_intr_efd_enable failed");
+                       return -1;
+               }
+       }
+
+       if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
+               intr_handle->intr_vec = rte_zmalloc("intr_vec",
+                                   dev->data->nb_rx_queues * sizeof(int), 0);
+               if (intr_handle->intr_vec == NULL) {
+                       PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
+                                    " intr_vec", dev->data->nb_rx_queues);
+                       return -ENOMEM;
+               }
+       }
+
        /* initialize transmission unit */
        atl_tx_init(dev);
 
@@ -220,7 +436,7 @@ atl_dev_start(struct rte_eth_dev *dev)
        err = atl_rx_init(dev);
        if (err) {
                PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
-               return -EIO;
+               goto error;
        }
 
        PMD_INIT_LOG(DEBUG, "FW version: %u.%u.%u",
@@ -229,7 +445,72 @@ atl_dev_start(struct rte_eth_dev *dev)
                hw->fw_ver_actual & 0xFFFF);
        PMD_INIT_LOG(DEBUG, "Driver version: %s", ATL_PMD_DRIVER_VERSION);
 
-       return err;
+       err = atl_start_queues(dev);
+       if (err < 0) {
+               PMD_INIT_LOG(ERR, "Unable to start rxtx queues");
+               goto error;
+       }
+
+       err = hw->aq_fw_ops->update_link_status(hw);
+
+       if (err)
+               goto error;
+
+       dev->data->dev_link.link_status = hw->aq_link_status.mbps != 0;
+
+       link_speeds = &dev->data->dev_conf.link_speeds;
+
+       speed = 0x0;
+
+       if (*link_speeds == ETH_LINK_SPEED_AUTONEG) {
+               speed = hw->aq_nic_cfg->link_speed_msk;
+       } else {
+               if (*link_speeds & ETH_LINK_SPEED_10G)
+                       speed |= AQ_NIC_RATE_10G;
+               if (*link_speeds & ETH_LINK_SPEED_5G)
+                       speed |= AQ_NIC_RATE_5G;
+               if (*link_speeds & ETH_LINK_SPEED_1G)
+                       speed |= AQ_NIC_RATE_1G;
+               if (*link_speeds & ETH_LINK_SPEED_2_5G)
+                       speed |=  AQ_NIC_RATE_2G5;
+               if (*link_speeds & ETH_LINK_SPEED_100M)
+                       speed |= AQ_NIC_RATE_100M;
+       }
+
+       err = hw->aq_fw_ops->set_link_speed(hw, speed);
+       if (err)
+               goto error;
+
+       if (rte_intr_allow_others(intr_handle)) {
+               /* check if lsc interrupt is enabled */
+               if (dev->data->dev_conf.intr_conf.lsc != 0)
+                       atl_dev_lsc_interrupt_setup(dev, true);
+               else
+                       atl_dev_lsc_interrupt_setup(dev, false);
+       } else {
+               rte_intr_callback_unregister(intr_handle,
+                                            atl_dev_interrupt_handler, dev);
+               if (dev->data->dev_conf.intr_conf.lsc != 0)
+                       PMD_INIT_LOG(INFO, "lsc won't enable because of"
+                                    " no intr multiplex");
+       }
+
+       /* check if rxq interrupt is enabled */
+       if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+           rte_intr_dp_is_en(intr_handle))
+               atl_dev_rxq_interrupt_setup(dev);
+
+       /* enable uio/vfio intr/eventfd mapping */
+       rte_intr_enable(intr_handle);
+
+       /* resume enabled intr since hw reset */
+       atl_enable_intr(dev);
+
+       return 0;
+
+error:
+       atl_stop_queues(dev);
+       return -EIO;
 }
 
 /*
@@ -238,12 +519,66 @@ atl_dev_start(struct rte_eth_dev *dev)
 static void
 atl_dev_stop(struct rte_eth_dev *dev)
 {
+       struct rte_eth_link link;
        struct aq_hw_s *hw =
                ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+       struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* disable interrupts */
+       atl_disable_intr(hw);
 
        /* reset the NIC */
        atl_reset_hw(hw);
        hw->adapter_stopped = 1;
+
+       atl_stop_queues(dev);
+
+       /* Clear stored conf */
+       dev->data->scattered_rx = 0;
+       dev->data->lro = 0;
+
+       /* Clear recorded link status */
+       memset(&link, 0, sizeof(link));
+       rte_eth_linkstatus_set(dev, &link);
+
+       if (!rte_intr_allow_others(intr_handle))
+               /* resume to the default handler */
+               rte_intr_callback_register(intr_handle,
+                                          atl_dev_interrupt_handler,
+                                          (void *)dev);
+
+       /* Clean datapath event and queue/vec mapping */
+       rte_intr_efd_disable(intr_handle);
+       if (intr_handle->intr_vec != NULL) {
+               rte_free(intr_handle->intr_vec);
+               intr_handle->intr_vec = NULL;
+       }
+}
+
+/*
+ * Set device link up: enable tx.
+ */
+static int
+atl_dev_set_link_up(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       return hw->aq_fw_ops->set_link_speed(hw,
+                       hw->aq_nic_cfg->link_speed_msk);
+}
+
+/*
+ * Set device link down: disable tx.
+ */
+static int
+atl_dev_set_link_down(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       return hw->aq_fw_ops->set_link_speed(hw, 0);
 }
 
 /*
@@ -255,6 +590,8 @@ atl_dev_close(struct rte_eth_dev *dev)
        PMD_INIT_FUNC_TRACE();
 
        atl_dev_stop(dev);
+
+       atl_free_queues(dev);
 }
 
 static int
@@ -271,6 +608,90 @@ atl_dev_reset(struct rte_eth_dev *dev)
        return ret;
 }
 
+
+static int
+atl_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+       struct atl_adapter *adapter = ATL_DEV_TO_ADAPTER(dev);
+       struct aq_hw_s *hw = &adapter->hw;
+       struct atl_sw_stats *swstats = &adapter->sw_stats;
+       unsigned int i;
+
+       hw->aq_fw_ops->update_stats(hw);
+
+       /* Fill out the rte_eth_stats statistics structure */
+       stats->ipackets = hw->curr_stats.dma_pkt_rc;
+       stats->ibytes = hw->curr_stats.dma_oct_rc;
+       stats->imissed = hw->curr_stats.dpc;
+       stats->ierrors = hw->curr_stats.erpt;
+
+       stats->opackets = hw->curr_stats.dma_pkt_tc;
+       stats->obytes = hw->curr_stats.dma_oct_tc;
+       stats->oerrors = 0;
+
+       stats->rx_nombuf = swstats->rx_nombuf;
+
+       for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
+               stats->q_ipackets[i] = swstats->q_ipackets[i];
+               stats->q_opackets[i] = swstats->q_opackets[i];
+               stats->q_ibytes[i] = swstats->q_ibytes[i];
+               stats->q_obytes[i] = swstats->q_obytes[i];
+               stats->q_errors[i] = swstats->q_errors[i];
+       }
+       return 0;
+}
+
+static void
+atl_dev_stats_reset(struct rte_eth_dev *dev)
+{
+       struct atl_adapter *adapter = ATL_DEV_TO_ADAPTER(dev);
+       struct aq_hw_s *hw = &adapter->hw;
+
+       hw->aq_fw_ops->update_stats(hw);
+
+       /* Reset software totals */
+       memset(&hw->curr_stats, 0, sizeof(hw->curr_stats));
+
+       memset(&adapter->sw_stats, 0, sizeof(adapter->sw_stats));
+}
+
+static int
+atl_dev_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
+                        struct rte_eth_xstat_name *xstats_names,
+                        unsigned int size)
+{
+       unsigned int i;
+
+       if (!xstats_names)
+               return RTE_DIM(atl_xstats_tbl);
+
+       for (i = 0; i < size && i < RTE_DIM(atl_xstats_tbl); i++)
+               snprintf(xstats_names[i].name, RTE_ETH_XSTATS_NAME_SIZE, "%s",
+                       atl_xstats_tbl[i].name);
+
+       return size;
+}
+
+static int
+atl_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *stats,
+                  unsigned int n)
+{
+       struct atl_adapter *adapter = ATL_DEV_TO_ADAPTER(dev);
+       struct aq_hw_s *hw = &adapter->hw;
+       unsigned int i;
+
+       if (!stats)
+               return 0;
+
+       for (i = 0; i < n && i < RTE_DIM(atl_xstats_tbl); i++) {
+               stats[i].id = i;
+               stats[i].value = *(u64 *)((uint8_t *)&hw->curr_stats +
+                                       atl_xstats_tbl[i].offset);
+       }
+
+       return n;
+}
+
 static int
 atl_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
 {
@@ -298,14 +719,283 @@ atl_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 
-       dev_info->max_rx_queues = 0;
-       dev_info->max_rx_queues = 0;
+       dev_info->max_rx_queues = AQ_HW_MAX_RX_QUEUES;
+       dev_info->max_tx_queues = AQ_HW_MAX_TX_QUEUES;
 
+       dev_info->min_rx_bufsize = 1024;
+       dev_info->max_rx_pktlen = HW_ATL_B0_MTU_JUMBO;
+       dev_info->max_mac_addrs = HW_ATL_B0_MAC_MAX;
        dev_info->max_vfs = pci_dev->max_vfs;
 
        dev_info->max_hash_mac_addrs = 0;
        dev_info->max_vmdq_pools = 0;
        dev_info->vmdq_queue_num = 0;
+
+       dev_info->rx_offload_capa = ATL_RX_OFFLOADS;
+
+       dev_info->tx_offload_capa = ATL_TX_OFFLOADS;
+
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_free_thresh = ATL_DEFAULT_RX_FREE_THRESH,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_free_thresh = ATL_DEFAULT_TX_FREE_THRESH,
+       };
+
+       dev_info->rx_desc_lim = rx_desc_lim;
+       dev_info->tx_desc_lim = tx_desc_lim;
+
+       dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
+       dev_info->speed_capa |= ETH_LINK_SPEED_100M;
+       dev_info->speed_capa |= ETH_LINK_SPEED_2_5G;
+       dev_info->speed_capa |= ETH_LINK_SPEED_5G;
+}
+
+static const uint32_t *
+atl_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+       static const uint32_t ptypes[] = {
+               RTE_PTYPE_L2_ETHER,
+               RTE_PTYPE_L2_ETHER_ARP,
+               RTE_PTYPE_L2_ETHER_VLAN,
+               RTE_PTYPE_L3_IPV4,
+               RTE_PTYPE_L3_IPV6,
+               RTE_PTYPE_L4_TCP,
+               RTE_PTYPE_L4_UDP,
+               RTE_PTYPE_L4_SCTP,
+               RTE_PTYPE_L4_ICMP,
+               RTE_PTYPE_UNKNOWN
+       };
+
+       if (dev->rx_pkt_burst == atl_recv_pkts)
+               return ptypes;
+
+       return NULL;
+}
+
+/* return 0 means link status changed, -1 means not changed */
+static int
+atl_dev_link_update(struct rte_eth_dev *dev, int wait __rte_unused)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct atl_interrupt *intr =
+               ATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       struct rte_eth_link link, old;
+       int err = 0;
+
+       link.link_status = ETH_LINK_DOWN;
+       link.link_speed = 0;
+       link.link_duplex = ETH_LINK_FULL_DUPLEX;
+       link.link_autoneg = hw->is_autoneg ? ETH_LINK_AUTONEG : ETH_LINK_FIXED;
+       memset(&old, 0, sizeof(old));
+
+       /* load old link status */
+       rte_eth_linkstatus_get(dev, &old);
+
+       /* read current link status */
+       err = hw->aq_fw_ops->update_link_status(hw);
+
+       if (err)
+               return 0;
+
+       if (hw->aq_link_status.mbps == 0) {
+               /* write default (down) link status */
+               rte_eth_linkstatus_set(dev, &link);
+               if (link.link_status == old.link_status)
+                       return -1;
+               return 0;
+       }
+
+       intr->flags &= ~ATL_FLAG_NEED_LINK_CONFIG;
+
+       link.link_status = ETH_LINK_UP;
+       link.link_duplex = ETH_LINK_FULL_DUPLEX;
+       link.link_speed = hw->aq_link_status.mbps;
+
+       rte_eth_linkstatus_set(dev, &link);
+
+       if (link.link_status == old.link_status)
+               return -1;
+
+       return 0;
+}
+
+static void
+atl_dev_promiscuous_enable(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw_atl_rpfl2promiscuous_mode_en_set(hw, true);
+}
+
+static void
+atl_dev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw_atl_rpfl2promiscuous_mode_en_set(hw, false);
+}
+
+static void
+atl_dev_allmulticast_enable(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw_atl_rpfl2_accept_all_mc_packets_set(hw, true);
+}
+
+static void
+atl_dev_allmulticast_disable(struct rte_eth_dev *dev)
+{
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if (dev->data->promiscuous == 1)
+               return; /* must remain in all_multicast mode */
+
+       hw_atl_rpfl2_accept_all_mc_packets_set(hw, false);
+}
+
+/**
+ * It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during nic initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ * @param on
+ *  Enable or Disable.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+
+static int
+atl_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on __rte_unused)
+{
+       atl_dev_link_status_print(dev);
+       return 0;
+}
+
+static int
+atl_dev_rxq_interrupt_setup(struct rte_eth_dev *dev __rte_unused)
+{
+       return 0;
+}
+
+
+static int
+atl_dev_interrupt_get_status(struct rte_eth_dev *dev)
+{
+       struct atl_interrupt *intr =
+               ATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       u64 cause = 0;
+
+       hw_atl_b0_hw_irq_read(hw, &cause);
+
+       atl_disable_intr(hw);
+       intr->flags = cause & BIT(ATL_IRQ_CAUSE_LINK) ?
+                       ATL_FLAG_NEED_LINK_UPDATE : 0;
+
+       return 0;
+}
+
+/**
+ * It gets and then prints the link status.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static void
+atl_dev_link_status_print(struct rte_eth_dev *dev)
+{
+       struct rte_eth_link link;
+
+       memset(&link, 0, sizeof(link));
+       rte_eth_linkstatus_get(dev, &link);
+       if (link.link_status) {
+               PMD_DRV_LOG(INFO, "Port %d: Link Up - speed %u Mbps - %s",
+                                       (int)(dev->data->port_id),
+                                       (unsigned int)link.link_speed,
+                       link.link_duplex == ETH_LINK_FULL_DUPLEX ?
+                                       "full-duplex" : "half-duplex");
+       } else {
+               PMD_DRV_LOG(INFO, " Port %d: Link Down",
+                               (int)(dev->data->port_id));
+       }
+
+
+#ifdef DEBUG
+{
+       struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+
+       PMD_DRV_LOG(DEBUG, "PCI Address: " PCI_PRI_FMT,
+                               pci_dev->addr.domain,
+                               pci_dev->addr.bus,
+                               pci_dev->addr.devid,
+                               pci_dev->addr.function);
+}
+#endif
+
+       PMD_DRV_LOG(INFO, "Link speed:%d", link.link_speed);
+}
+
+/*
+ * It executes link_update after knowing an interrupt occurred.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+atl_dev_interrupt_action(struct rte_eth_dev *dev,
+                          struct rte_intr_handle *intr_handle)
+{
+       struct atl_interrupt *intr =
+               ATL_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+
+       if (intr->flags & ATL_FLAG_NEED_LINK_UPDATE) {
+               atl_dev_link_update(dev, 0);
+               intr->flags &= ~ATL_FLAG_NEED_LINK_UPDATE;
+               atl_dev_link_status_print(dev);
+               _rte_eth_dev_callback_process(dev,
+                       RTE_ETH_EVENT_INTR_LSC, NULL);
+       }
+
+       atl_enable_intr(dev);
+       rte_intr_enable(intr_handle);
+
+       return 0;
+}
+
+/**
+ * Interrupt handler triggered by NIC  for handling
+ * specific interrupt.
+ *
+ * @param handle
+ *  Pointer to interrupt handle.
+ * @param param
+ *  The address of parameter (struct rte_eth_dev *) regsitered before.
+ *
+ * @return
+ *  void
+ */
+static void
+atl_dev_interrupt_handler(void *param)
+{
+       struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+
+       atl_dev_interrupt_get_status(dev);
+       atl_dev_interrupt_action(dev, dev->intr_handle);
 }
 
 RTE_PMD_REGISTER_PCI(net_atlantic, rte_atl_pmd);