New upstream version 18.05
[deb_dpdk.git] / drivers / net / ixgbe / ixgbe_vf_representor.c
diff --git a/drivers/net/ixgbe/ixgbe_vf_representor.c b/drivers/net/ixgbe/ixgbe_vf_representor.c
new file mode 100644 (file)
index 0000000..db516d9
--- /dev/null
@@ -0,0 +1,231 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation.
+ */
+
+#include <rte_ethdev.h>
+#include <rte_pci.h>
+#include <rte_malloc.h>
+
+#include "base/ixgbe_type.h"
+#include "base/ixgbe_vf.h"
+#include "ixgbe_ethdev.h"
+#include "ixgbe_rxtx.h"
+#include "rte_pmd_ixgbe.h"
+
+
+static int
+ixgbe_vf_representor_link_update(struct rte_eth_dev *ethdev,
+       int wait_to_complete)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+
+       return ixgbe_dev_link_update_share(representor->pf_ethdev,
+               wait_to_complete, 0);
+}
+
+static int
+ixgbe_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
+       struct ether_addr *mac_addr)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+
+       return rte_pmd_ixgbe_set_vf_mac_addr(
+               representor->pf_ethdev->data->port_id,
+               representor->vf_id, mac_addr);
+}
+
+static void
+ixgbe_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev,
+       struct rte_eth_dev_info *dev_info)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+
+       struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(
+               representor->pf_ethdev->data->dev_private);
+
+       dev_info->device = representor->pf_ethdev->device;
+
+       dev_info->min_rx_bufsize = 1024;
+       /**< Minimum size of RX buffer. */
+       dev_info->max_rx_pktlen = 9728;
+       /**< Maximum configurable length of RX pkt. */
+       dev_info->max_rx_queues = IXGBE_VF_MAX_RX_QUEUES;
+       /**< Maximum number of RX queues. */
+       dev_info->max_tx_queues = IXGBE_VF_MAX_TX_QUEUES;
+       /**< Maximum number of TX queues. */
+
+       dev_info->max_mac_addrs = hw->mac.num_rar_entries;
+       /**< Maximum number of MAC addresses. */
+
+       dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
+               DEV_RX_OFFLOAD_IPV4_CKSUM |     DEV_RX_OFFLOAD_UDP_CKSUM  |
+               DEV_RX_OFFLOAD_TCP_CKSUM;
+       /**< Device RX offload capabilities. */
+
+       dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
+               DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM |
+               DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_SCTP_CKSUM |
+               DEV_TX_OFFLOAD_TCP_TSO;
+       /**< Device TX offload capabilities. */
+
+       dev_info->speed_capa =
+               representor->pf_ethdev->data->dev_link.link_speed;
+       /**< Supported speeds bitmap (ETH_LINK_SPEED_). */
+
+       dev_info->switch_info.name =
+               representor->pf_ethdev->device->name;
+       dev_info->switch_info.domain_id = representor->switch_domain_id;
+       dev_info->switch_info.port_id = representor->vf_id;
+}
+
+static int ixgbe_vf_representor_dev_configure(
+               __rte_unused struct rte_eth_dev *dev)
+{
+       return 0;
+}
+
+static int ixgbe_vf_representor_rx_queue_setup(
+       __rte_unused struct rte_eth_dev *dev,
+       __rte_unused uint16_t rx_queue_id,
+       __rte_unused uint16_t nb_rx_desc,
+       __rte_unused unsigned int socket_id,
+       __rte_unused const struct rte_eth_rxconf *rx_conf,
+       __rte_unused struct rte_mempool *mb_pool)
+{
+       return 0;
+}
+
+static int ixgbe_vf_representor_tx_queue_setup(
+       __rte_unused struct rte_eth_dev *dev,
+       __rte_unused uint16_t rx_queue_id,
+       __rte_unused uint16_t nb_rx_desc,
+       __rte_unused unsigned int socket_id,
+       __rte_unused const struct rte_eth_txconf *tx_conf)
+{
+       return 0;
+}
+
+static int ixgbe_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
+{
+       return 0;
+}
+
+static void ixgbe_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
+{
+}
+
+static int
+ixgbe_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
+       uint16_t vlan_id, int on)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+       uint64_t vf_mask = 1ULL << representor->vf_id;
+
+       return rte_pmd_ixgbe_set_vf_vlan_filter(
+               representor->pf_ethdev->data->port_id, vlan_id, vf_mask, on);
+}
+
+static void
+ixgbe_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
+       __rte_unused uint16_t rx_queue_id, int on)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_ixgbe_set_vf_vlan_stripq(representor->pf_ethdev->data->port_id,
+               representor->vf_id, on);
+}
+
+struct eth_dev_ops ixgbe_vf_representor_dev_ops = {
+       .dev_infos_get          = ixgbe_vf_representor_dev_infos_get,
+
+       .dev_start              = ixgbe_vf_representor_dev_start,
+       .dev_configure          = ixgbe_vf_representor_dev_configure,
+       .dev_stop               = ixgbe_vf_representor_dev_stop,
+
+       .rx_queue_setup         = ixgbe_vf_representor_rx_queue_setup,
+       .tx_queue_setup         = ixgbe_vf_representor_tx_queue_setup,
+
+       .link_update            = ixgbe_vf_representor_link_update,
+
+       .vlan_filter_set        = ixgbe_vf_representor_vlan_filter_set,
+       .vlan_strip_queue_set   = ixgbe_vf_representor_vlan_strip_queue_set,
+
+       .mac_addr_set           = ixgbe_vf_representor_mac_addr_set,
+};
+
+static uint16_t
+ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue,
+       __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
+{
+       return 0;
+}
+
+static uint16_t
+ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue,
+       __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
+{
+       return 0;
+}
+
+int
+ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
+{
+       struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
+
+       struct ixgbe_vf_info *vf_data;
+       struct rte_pci_device *pci_dev;
+       struct rte_eth_link *link;
+
+       if (!representor)
+               return -ENOMEM;
+
+       representor->vf_id =
+               ((struct ixgbe_vf_representor *)init_params)->vf_id;
+       representor->switch_domain_id =
+               ((struct ixgbe_vf_representor *)init_params)->switch_domain_id;
+       representor->pf_ethdev =
+               ((struct ixgbe_vf_representor *)init_params)->pf_ethdev;
+
+       pci_dev = RTE_ETH_DEV_TO_PCI(representor->pf_ethdev);
+
+       if (representor->vf_id >= pci_dev->max_vfs)
+               return -ENODEV;
+
+       ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+
+       /* Set representor device ops */
+       ethdev->dev_ops = &ixgbe_vf_representor_dev_ops;
+
+       /* No data-path, but need stub Rx/Tx functions to avoid crash
+        * when testing with the likes of testpmd.
+        */
+       ethdev->rx_pkt_burst = ixgbe_vf_representor_rx_burst;
+       ethdev->tx_pkt_burst = ixgbe_vf_representor_tx_burst;
+
+       /* Setting the number queues allocated to the VF */
+       ethdev->data->nb_rx_queues = IXGBE_VF_MAX_RX_QUEUES;
+       ethdev->data->nb_tx_queues = IXGBE_VF_MAX_RX_QUEUES;
+
+       /* Reference VF mac address from PF data structure */
+       vf_data = *IXGBE_DEV_PRIVATE_TO_P_VFDATA(
+               representor->pf_ethdev->data->dev_private);
+
+       ethdev->data->mac_addrs = (struct ether_addr *)
+               vf_data[representor->vf_id].vf_mac_addresses;
+
+       /* Link state. Inherited from PF */
+       link = &representor->pf_ethdev->data->dev_link;
+
+       ethdev->data->dev_link.link_speed = link->link_speed;
+       ethdev->data->dev_link.link_duplex = link->link_duplex;
+       ethdev->data->dev_link.link_status = link->link_status;
+       ethdev->data->dev_link.link_autoneg = link->link_autoneg;
+
+       return 0;
+}
+
+int
+ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev __rte_unused)
+{
+       return 0;
+}