/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * Copyright 2015 Mellanox Technologies, Ltd
*/
#include <stddef.h>
#include <errno.h>
#include <assert.h>
#include <stdint.h>
+#include <unistd.h>
+
/*
* Not needed by this file; included to work around the lack of off_t
#include <rte_ethdev_driver.h>
#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_hypervisor.h>
+
+#include <mlx5_glue.h>
+#include <mlx5_devx_cmds.h>
-#include "mlx5_utils.h"
#include "mlx5.h"
#include "mlx5_autoconf.h"
-#include "mlx5_glue.h"
+#include "mlx5_rxtx.h"
+#include "mlx5_nl.h"
+#include "mlx5_utils.h"
/**
* DPDK callback to configure a VLAN filter.
int
mlx5_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
DRV_LOG(DEBUG, "port %u %s VLAN filter ID %" PRIu16,
void
mlx5_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_rxq_data *rxq = (*priv->rxqs)[queue];
struct mlx5_rxq_ctrl *rxq_ctrl =
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
uint16_t vlan_offloads =
(on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
0;
- int ret;
+ int ret = 0;
/* Validate hw support */
if (!priv->config.hw_vlan_strip) {
}
DRV_LOG(DEBUG, "port %u set VLAN offloads 0x%x for port %uqueue %d",
dev->data->port_id, vlan_offloads, rxq->port_id, queue);
- if (!rxq_ctrl->ibv) {
+ if (!rxq_ctrl->obj) {
/* Update related bits in RX queue. */
rxq->vlan_strip = !!on;
return;
}
- mod = (struct ibv_wq_attr){
- .attr_mask = IBV_WQ_ATTR_FLAGS,
- .flags_mask = IBV_WQ_FLAGS_CVLAN_STRIPPING,
- .flags = vlan_offloads,
- };
- ret = mlx5_glue->modify_wq(rxq_ctrl->ibv->wq, &mod);
+ if (rxq_ctrl->obj->type == MLX5_RXQ_OBJ_TYPE_IBV) {
+ mod = (struct ibv_wq_attr){
+ .attr_mask = IBV_WQ_ATTR_FLAGS,
+ .flags_mask = IBV_WQ_FLAGS_CVLAN_STRIPPING,
+ .flags = vlan_offloads,
+ };
+ ret = mlx5_glue->modify_wq(rxq_ctrl->obj->wq, &mod);
+ } else if (rxq_ctrl->obj->type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ) {
+ struct mlx5_devx_modify_rq_attr rq_attr;
+
+ memset(&rq_attr, 0, sizeof(rq_attr));
+ rq_attr.rq_state = MLX5_RQC_STATE_RDY;
+ rq_attr.state = MLX5_RQC_STATE_RDY;
+ rq_attr.vsd = (on ? 0 : 1);
+ rq_attr.modify_bitmask = MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD;
+ ret = mlx5_devx_cmd_modify_rq(rxq_ctrl->obj->rq, &rq_attr);
+ }
if (ret) {
- DRV_LOG(ERR, "port %u failed to modified stripping mode: %s",
- dev->data->port_id, strerror(rte_errno));
+ DRV_LOG(ERR, "port %u failed to modify object %d stripping "
+ "mode: %s", dev->data->port_id,
+ rxq_ctrl->obj->type, strerror(rte_errno));
return;
}
/* Update related bits in RX queue. */
int
mlx5_vlan_offload_set(struct rte_eth_dev *dev, int mask)
{
- struct priv *priv = dev->data->dev_private;
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
if (mask & ETH_VLAN_STRIP_MASK) {
}
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];
+
+ assert(vlan->created);
+ assert(priv->vmwa_context);
+ if (!vlan->created || !vmwa)
+ return;
+ vlan->created = 0;
+ 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];
+
+ assert(!vlan->created);
+ assert(priv->vmwa_context);
+ if (vlan->created || !vmwa)
+ return;
+ if (vlan_dev[vlan->tag].refcnt == 0) {
+ 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 = rte_zmalloc(__func__, sizeof(*vmwa), sizeof(uint32_t));
+ 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");
+ rte_free(vmwa);
+ return NULL;
+ }
+ vmwa->nl_sn = random();
+ 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);
+ rte_free(vmwa);
+}