nfp: add basic features

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 7c82e96..ff9a8d6 100644 (file)
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -73,8 +73,13 @@
 /* Prototypes */
 static void nfp_net_close(struct rte_eth_dev *dev);
 static int nfp_net_configure(struct rte_eth_dev *dev);
+static int nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
+static void nfp_net_infos_get(struct rte_eth_dev *dev,
+                             struct rte_eth_dev_info *dev_info);
 static int nfp_net_init(struct rte_eth_dev *eth_dev);
 static int nfp_net_link_update(struct rte_eth_dev *dev, int wait_to_complete);
+static void nfp_net_promisc_enable(struct rte_eth_dev *dev);
+static void nfp_net_promisc_disable(struct rte_eth_dev *dev);
 static int nfp_net_rx_fill_freelist(struct nfp_net_rxq *rxq);
 static uint32_t nfp_net_rx_queue_count(struct rte_eth_dev *dev,
                                       uint16_t queue_idx);
@@ -734,6 +739,65 @@ nfp_net_close(struct rte_eth_dev *dev)
         */
 }
 
+static void
+nfp_net_promisc_enable(struct rte_eth_dev *dev)
+{
+       uint32_t new_ctrl, update = 0;
+       struct nfp_net_hw *hw;
+
+       PMD_DRV_LOG(DEBUG, "Promiscuous mode enable\n");
+
+       hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if (!(hw->cap & NFP_NET_CFG_CTRL_PROMISC)) {
+               PMD_INIT_LOG(INFO, "Promiscuous mode not supported\n");
+               return;
+       }
+
+       if (hw->ctrl & NFP_NET_CFG_CTRL_PROMISC) {
+               PMD_DRV_LOG(INFO, "Promiscuous mode already enabled\n");
+               return;
+       }
+
+       new_ctrl = hw->ctrl | NFP_NET_CFG_CTRL_PROMISC;
+       update = NFP_NET_CFG_UPDATE_GEN;
+
+       /*
+        * DPDK sets promiscuous mode on just after this call assuming
+        * it can not fail ...
+        */
+       if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+               return;
+
+       hw->ctrl = new_ctrl;
+}
+
+static void
+nfp_net_promisc_disable(struct rte_eth_dev *dev)
+{
+       uint32_t new_ctrl, update = 0;
+       struct nfp_net_hw *hw;
+
+       hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if ((hw->ctrl & NFP_NET_CFG_CTRL_PROMISC) == 0) {
+               PMD_DRV_LOG(INFO, "Promiscuous mode already disabled\n");
+               return;
+       }
+
+       new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_PROMISC;
+       update = NFP_NET_CFG_UPDATE_GEN;
+
+       /*
+        * DPDK sets promiscuous mode off just before this call
+        * assuming it can not fail ...
+        */
+       if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+               return;
+
+       hw->ctrl = new_ctrl;
+}
+
 /*
  * return 0 means link status changed, -1 means not changed
  *
@@ -948,6 +1012,65 @@ nfp_net_stats_reset(struct rte_eth_dev *dev)
                nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_DISCARDS);
 }
 
+static void
+nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+       struct nfp_net_hw *hw;
+
+       hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       dev_info->driver_name = dev->driver->pci_drv.name;
+       dev_info->max_rx_queues = (uint16_t)hw->max_rx_queues;
+       dev_info->max_tx_queues = (uint16_t)hw->max_tx_queues;
+       dev_info->min_rx_bufsize = ETHER_MIN_MTU;
+       dev_info->max_rx_pktlen = hw->mtu;
+       /* Next should change when PF support is implemented */
+       dev_info->max_mac_addrs = 1;
+
+       if (hw->cap & NFP_NET_CFG_CTRL_RXVLAN)
+               dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
+
+       if (hw->cap & NFP_NET_CFG_CTRL_RXCSUM)
+               dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_IPV4_CKSUM |
+                                            DEV_RX_OFFLOAD_UDP_CKSUM |
+                                            DEV_RX_OFFLOAD_TCP_CKSUM;
+
+       if (hw->cap & NFP_NET_CFG_CTRL_TXVLAN)
+               dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT;
+
+       if (hw->cap & NFP_NET_CFG_CTRL_TXCSUM)
+               dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_IPV4_CKSUM |
+                                            DEV_RX_OFFLOAD_UDP_CKSUM |
+                                            DEV_RX_OFFLOAD_TCP_CKSUM;
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = DEFAULT_RX_PTHRESH,
+                       .hthresh = DEFAULT_RX_HTHRESH,
+                       .wthresh = DEFAULT_RX_WTHRESH,
+               },
+               .rx_free_thresh = DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = DEFAULT_TX_PTHRESH,
+                       .hthresh = DEFAULT_TX_HTHRESH,
+                       .wthresh = DEFAULT_TX_WTHRESH,
+               },
+               .tx_free_thresh = DEFAULT_TX_FREE_THRESH,
+               .tx_rs_thresh = DEFAULT_TX_RSBIT_THRESH,
+               .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
+                            ETH_TXQ_FLAGS_NOOFFLOADS,
+       };
+
+       dev_info->reta_size = NFP_NET_CFG_RSS_ITBL_SZ;
+#if RTE_VER_MAJOR == 2 && RTE_VER_MINOR >= 1
+       dev_info->hash_key_size = NFP_NET_CFG_RSS_KEY_SZ;
+#endif
+}
+
 static uint32_t
 nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx)
 {
@@ -992,6 +1115,34 @@ nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx)
        return count;
 }
 
+static int
+nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+       struct nfp_net_hw *hw;
+
+       hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* check that mtu is within the allowed range */
+       if ((mtu < ETHER_MIN_MTU) || ((uint32_t)mtu > hw->max_mtu))
+               return -EINVAL;
+
+       /* switch to jumbo mode if needed */
+       if ((uint32_t)mtu > ETHER_MAX_LEN)
+               dev->data->dev_conf.rxmode.jumbo_frame = 1;
+       else
+               dev->data->dev_conf.rxmode.jumbo_frame = 0;
+
+       /* update max frame size */
+       dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)mtu;
+
+       /* writing to configuration space */
+       nn_cfg_writel(hw, NFP_NET_CFG_MTU, (uint32_t)mtu);
+
+       hw->mtu = mtu;
+
+       return 0;
+}
+
 static int
 nfp_net_rx_queue_setup(struct rte_eth_dev *dev,
                       uint16_t queue_idx, uint16_t nb_desc,
@@ -1770,6 +1921,41 @@ xmit_end:
        return i;
 }
 
+static void
+nfp_net_vlan_offload_set(struct rte_eth_dev *dev, int mask)
+{
+       uint32_t new_ctrl, update;
+       struct nfp_net_hw *hw;
+
+       hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       new_ctrl = 0;
+
+       if ((mask & ETH_VLAN_FILTER_OFFLOAD) ||
+           (mask & ETH_VLAN_FILTER_OFFLOAD))
+               RTE_LOG(INFO, PMD, "Not support for ETH_VLAN_FILTER_OFFLOAD or"
+                       " ETH_VLAN_FILTER_EXTEND");
+
+       /* Enable vlan strip if it is not configured yet */
+       if ((mask & ETH_VLAN_STRIP_OFFLOAD) &&
+           !(hw->ctrl & NFP_NET_CFG_CTRL_RXVLAN))
+               new_ctrl = hw->ctrl | NFP_NET_CFG_CTRL_RXVLAN;
+
+       /* Disable vlan strip just if it is configured */
+       if (!(mask & ETH_VLAN_STRIP_OFFLOAD) &&
+           (hw->ctrl & NFP_NET_CFG_CTRL_RXVLAN))
+               new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_RXVLAN;
+
+       if (new_ctrl == 0)
+               return;
+
+       update = NFP_NET_CFG_UPDATE_GEN;
+
+       if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+               return;
+
+       hw->ctrl = new_ctrl;
+}
+
 /* Update Redirection Table(RETA) of Receive Side Scaling of Ethernet device */
 static int
 nfp_net_reta_update(struct rte_eth_dev *dev,
@@ -1990,9 +2176,14 @@ static struct eth_dev_ops nfp_net_eth_dev_ops = {
        .dev_start              = nfp_net_start,
        .dev_stop               = nfp_net_stop,
        .dev_close              = nfp_net_close,
+       .promiscuous_enable     = nfp_net_promisc_enable,
+       .promiscuous_disable    = nfp_net_promisc_disable,
        .link_update            = nfp_net_link_update,
        .stats_get              = nfp_net_stats_get,
        .stats_reset            = nfp_net_stats_reset,
+       .dev_infos_get          = nfp_net_infos_get,
+       .mtu_set                = nfp_net_dev_mtu_set,
+       .vlan_offload_set       = nfp_net_vlan_offload_set,
        .reta_update            = nfp_net_reta_update,
        .reta_query             = nfp_net_reta_query,
        .rss_hash_update        = nfp_net_rss_hash_update,