diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_vf_representor.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_vf_representor.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_vf_representor.c b/drivers/net/ixgbe/ixgbe_vf_representor.c new file mode 100644 index 00000000..db516d99 --- /dev/null +++ b/drivers/net/ixgbe/ixgbe_vf_representor.c @@ -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; +} |