-/*-
- * BSD LICENSE
- *
- * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of 6WIND S.A. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * 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
+ * definition for mlx5dv.h with unpatched rdma-core versions.
+ */
+#include <sys/types.h>
+
+/* Verbs headers do not support -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/mlx5dv.h>
+#include <infiniband/verbs.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
-#include <rte_ethdev.h>
+#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_rxtx.h"
+#include "mlx5_nl.h"
+#include "mlx5_utils.h"
/**
* DPDK callback to configure a VLAN filter.
* Toggle filter.
*
* @return
- * 0 on success, negative errno value on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
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;
- int ret = 0;
- priv_lock(priv);
- DEBUG("%p: %s VLAN filter ID %" PRIu16,
- (void *)dev, (on ? "enable" : "disable"), vlan_id);
+ DRV_LOG(DEBUG, "port %u %s VLAN filter ID %" PRIu16,
+ dev->data->port_id, (on ? "enable" : "disable"), vlan_id);
assert(priv->vlan_filter_n <= RTE_DIM(priv->vlan_filter));
for (i = 0; (i != priv->vlan_filter_n); ++i)
if (priv->vlan_filter[i] == vlan_id)
break;
/* Check if there's room for another VLAN filter. */
if (i == RTE_DIM(priv->vlan_filter)) {
- ret = -ENOMEM;
- goto out;
+ rte_errno = ENOMEM;
+ return -rte_errno;
}
if (i < priv->vlan_filter_n) {
assert(priv->vlan_filter_n != 0);
priv->vlan_filter[priv->vlan_filter_n] = vlan_id;
++priv->vlan_filter_n;
}
- if (dev->data->dev_started)
- priv_dev_traffic_restart(priv, dev);
out:
- priv_unlock(priv);
- return ret;
-}
-
-/**
- * Set/reset VLAN stripping for a specific queue.
- *
- * @param priv
- * Pointer to private structure.
- * @param idx
- * RX queue index.
- * @param on
- * Enable/disable VLAN stripping.
- */
-static void
-priv_vlan_strip_queue_set(struct priv *priv, uint16_t idx, int on)
-{
- struct mlx5_rxq_data *rxq = (*priv->rxqs)[idx];
- struct mlx5_rxq_ctrl *rxq_ctrl =
- container_of(rxq, struct mlx5_rxq_ctrl, rxq);
- struct ibv_wq_attr mod;
- uint16_t vlan_offloads =
- (on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
- 0;
- int err;
-
- DEBUG("set VLAN offloads 0x%x for port %d queue %d",
- vlan_offloads, rxq->port_id, idx);
- if (!rxq_ctrl->ibv) {
- /* 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,
- };
-
- err = ibv_modify_wq(rxq_ctrl->ibv->wq, &mod);
- if (err) {
- ERROR("%p: failed to modified stripping mode: %s",
- (void *)priv, strerror(err));
- return;
- }
-
- /* Update related bits in RX queue. */
- rxq->vlan_strip = !!on;
+ if (dev->data->dev_started)
+ return mlx5_traffic_restart(dev);
+ return 0;
}
/**
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);
+ struct ibv_wq_attr mod;
+ uint16_t vlan_offloads =
+ (on ? IBV_WQ_FLAGS_CVLAN_STRIPPING : 0) |
+ 0;
+ int ret = 0;
/* Validate hw support */
if (!priv->config.hw_vlan_strip) {
- ERROR("VLAN stripping is not supported");
+ DRV_LOG(ERR, "port %u VLAN stripping is not supported",
+ dev->data->port_id);
return;
}
-
/* Validate queue number */
if (queue >= priv->rxqs_n) {
- ERROR("VLAN stripping, invalid queue number %d", queue);
+ DRV_LOG(ERR, "port %u VLAN stripping, invalid queue number %d",
+ dev->data->port_id, queue);
+ return;
+ }
+ 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->obj) {
+ /* Update related bits in RX queue. */
+ rxq->vlan_strip = !!on;
return;
}
+ 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;
- priv_lock(priv);
- priv_vlan_strip_queue_set(priv, queue, on);
- priv_unlock(priv);
+ 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 modify object %d stripping "
+ "mode: %s", dev->data->port_id,
+ rxq_ctrl->obj->type, strerror(rte_errno));
+ return;
+ }
+ /* Update related bits in RX queue. */
+ rxq->vlan_strip = !!on;
}
/**
* Pointer to Ethernet device structure.
* @param mask
* VLAN offload bit mask.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
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) {
- int hw_vlan_strip = !!dev->data->dev_conf.rxmode.hw_vlan_strip;
+ int hw_vlan_strip = !!(dev->data->dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_VLAN_STRIP);
if (!priv->config.hw_vlan_strip) {
- ERROR("VLAN stripping is not supported");
+ DRV_LOG(ERR, "port %u VLAN stripping is not supported",
+ dev->data->port_id);
return 0;
}
-
/* Run on every RX queue and set/reset VLAN stripping. */
- priv_lock(priv);
for (i = 0; (i != priv->rxqs_n); i++)
- priv_vlan_strip_queue_set(priv, i, hw_vlan_strip);
- priv_unlock(priv);
+ mlx5_vlan_strip_queue_set(dev, i, hw_vlan_strip);
}
-
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);
+}
git.droids-corp.org / dpdk.git / blobdiff