#include <rte_malloc.h>
#include <rte_hypervisor.h>
-#include <mlx5_glue.h>
-#include <mlx5_devx_cmds.h>
-#include <mlx5_nl.h>
-#include <mlx5_malloc.h>
-
#include "mlx5.h"
#include "mlx5_autoconf.h"
#include "mlx5_rxtx.h"
}
return 0;
}
-
-/*
- * Release VLAN network device, created for VM workaround.
- *
- * @param[in] dev
- * Ethernet device object, Netlink context provider.
- * @param[in] vlan
- * Object representing the network device to release.
- */
-void mlx5_vlan_vmwa_release(struct rte_eth_dev *dev,
- struct mlx5_vf_vlan *vlan)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_nl_vlan_vmwa_context *vmwa = priv->vmwa_context;
- struct mlx5_nl_vlan_dev *vlan_dev = &vmwa->vlan_dev[0];
-
- MLX5_ASSERT(vlan->created);
- MLX5_ASSERT(priv->vmwa_context);
- if (!vlan->created || !vmwa)
- return;
- vlan->created = 0;
- MLX5_ASSERT(vlan_dev[vlan->tag].refcnt);
- if (--vlan_dev[vlan->tag].refcnt == 0 &&
- vlan_dev[vlan->tag].ifindex) {
- mlx5_nl_vlan_vmwa_delete(vmwa, vlan_dev[vlan->tag].ifindex);
- vlan_dev[vlan->tag].ifindex = 0;
- }
-}
-
-/**
- * Acquire VLAN interface with specified tag for VM workaround.
- *
- * @param[in] dev
- * Ethernet device object, Netlink context provider.
- * @param[in] vlan
- * Object representing the network device to acquire.
- */
-void mlx5_vlan_vmwa_acquire(struct rte_eth_dev *dev,
- struct mlx5_vf_vlan *vlan)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_nl_vlan_vmwa_context *vmwa = priv->vmwa_context;
- struct mlx5_nl_vlan_dev *vlan_dev = &vmwa->vlan_dev[0];
-
- MLX5_ASSERT(!vlan->created);
- MLX5_ASSERT(priv->vmwa_context);
- if (vlan->created || !vmwa)
- return;
- if (vlan_dev[vlan->tag].refcnt == 0) {
- MLX5_ASSERT(!vlan_dev[vlan->tag].ifindex);
- vlan_dev[vlan->tag].ifindex =
- mlx5_nl_vlan_vmwa_create(vmwa, vmwa->vf_ifindex,
- vlan->tag);
- }
- if (vlan_dev[vlan->tag].ifindex) {
- vlan_dev[vlan->tag].refcnt++;
- vlan->created = 1;
- }
-}
-
-/*
- * Create per ethernet device VLAN VM workaround context
- */
-struct mlx5_nl_vlan_vmwa_context *
-mlx5_vlan_vmwa_init(struct rte_eth_dev *dev, uint32_t ifindex)
-{
- struct mlx5_priv *priv = dev->data->dev_private;
- struct mlx5_dev_config *config = &priv->config;
- struct mlx5_nl_vlan_vmwa_context *vmwa;
- enum rte_hypervisor hv_type;
-
- /* Do not engage workaround over PF. */
- if (!config->vf)
- return NULL;
- /* Check whether there is desired virtual environment */
- hv_type = rte_hypervisor_get();
- switch (hv_type) {
- case RTE_HYPERVISOR_UNKNOWN:
- case RTE_HYPERVISOR_VMWARE:
- /*
- * The "white list" of configurations
- * to engage the workaround.
- */
- break;
- default:
- /*
- * The configuration is not found in the "white list".
- * We should not engage the VLAN workaround.
- */
- return NULL;
- }
- vmwa = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*vmwa), sizeof(uint32_t),
- SOCKET_ID_ANY);
- if (!vmwa) {
- DRV_LOG(WARNING,
- "Can not allocate memory"
- " for VLAN workaround context");
- return NULL;
- }
- vmwa->nl_socket = mlx5_nl_init(NETLINK_ROUTE);
- if (vmwa->nl_socket < 0) {
- DRV_LOG(WARNING,
- "Can not create Netlink socket"
- " for VLAN workaround context");
- mlx5_free(vmwa);
- return NULL;
- }
- vmwa->vf_ifindex = ifindex;
- /* Cleanup for existing VLAN devices. */
- return vmwa;
-}
-
-/*
- * Destroy per ethernet device VLAN VM workaround context
- */
-void mlx5_vlan_vmwa_exit(struct mlx5_nl_vlan_vmwa_context *vmwa)
-{
- unsigned int i;
-
- /* Delete all remaining VLAN devices. */
- for (i = 0; i < RTE_DIM(vmwa->vlan_dev); i++) {
- if (vmwa->vlan_dev[i].ifindex)
- mlx5_nl_vlan_vmwa_delete(vmwa,
- vmwa->vlan_dev[i].ifindex);
- }
- if (vmwa->nl_socket >= 0)
- close(vmwa->nl_socket);
- mlx5_free(vmwa);
-}