/* Device parameter to enable RX completion queue compression. */
#define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
+/* Device parameter to enable RX completion entry padding to 128B. */
+#define MLX5_RXQ_CQE_PAD_EN "rxq_cqe_pad_en"
+
/* Device parameter to enable Multi-Packet Rx queue. */
#define MLX5_RX_MPRQ_EN "mprq_en"
*/
#define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
+/*
+ * Device parameter to configure the number of TX queues threshold for
+ * enabling vectorized Tx.
+ */
+#define MLX5_TXQS_MAX_VEC "txqs_max_vec"
+
/* Device parameter to enable multi-packet send WQEs. */
#define MLX5_TXQ_MPW_EN "txq_mpw_en"
}
memset(priv, 0, sizeof(*priv));
priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
+ /*
+ * Reset mac_addrs to NULL such that it is not freed as part of
+ * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
+ * it is freed when dev_private is freed.
+ */
+ dev->data->mac_addrs = NULL;
}
const struct eth_dev_ops mlx5_dev_ops = {
.filter_ctrl = mlx5_dev_filter_ctrl,
.rx_descriptor_status = mlx5_rx_descriptor_status,
.tx_descriptor_status = mlx5_tx_descriptor_status,
+ .rx_queue_count = mlx5_rx_queue_count,
.rx_queue_intr_enable = mlx5_rx_intr_enable,
.rx_queue_intr_disable = mlx5_rx_intr_disable,
.is_removed = mlx5_is_removed,
}
if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
config->cqe_comp = !!tmp;
+ } else if (strcmp(MLX5_RXQ_CQE_PAD_EN, key) == 0) {
+ config->cqe_pad = !!tmp;
} else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
config->mprq.enabled = !!tmp;
} else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
config->txq_inline = tmp;
} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
config->txqs_inline = tmp;
+ } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
+ config->txqs_vec = tmp;
} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
config->mps = !!tmp;
} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
{
const char **params = (const char *[]){
MLX5_RXQ_CQE_COMP_EN,
+ MLX5_RXQ_CQE_PAD_EN,
MLX5_RX_MPRQ_EN,
MLX5_RX_MPRQ_LOG_STRIDE_NUM,
MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
MLX5_RXQS_MIN_MPRQ,
MLX5_TXQ_INLINE,
MLX5_TXQS_MIN_INLINE,
+ MLX5_TXQS_MAX_VEC,
MLX5_TXQ_MPW_EN,
MLX5_TXQ_MPW_HDR_DSEG_EN,
MLX5_TXQ_MAX_INLINE_LEN,
* Backing DPDK device.
* @param ibv_dev
* Verbs device.
- * @param vf
- * If nonzero, enable VF-specific features.
+ * @param config
+ * Device configuration parameters.
* @param[in] switch_info
* Switch properties of Ethernet device.
*
* @return
* A valid Ethernet device object on success, NULL otherwise and rte_errno
- * is set. The following error is defined:
+ * is set. The following errors are defined:
*
* EBUSY: device is not supposed to be spawned.
+ * EEXIST: device is already spawned
*/
static struct rte_eth_dev *
mlx5_dev_spawn(struct rte_device *dpdk_dev,
struct ibv_device *ibv_dev,
- int vf,
+ struct mlx5_dev_config config,
const struct mlx5_switch_info *switch_info)
{
- struct ibv_context *ctx;
+ struct ibv_context *ctx = NULL;
struct ibv_device_attr_ex attr;
struct ibv_port_attr port_attr;
struct ibv_pd *pd = NULL;
struct mlx5dv_context dv_attr = { .comp_mask = 0 };
- struct mlx5_dev_config config = {
- .vf = !!vf,
- .mps = MLX5_ARG_UNSET,
- .tx_vec_en = 1,
- .rx_vec_en = 1,
- .mpw_hdr_dseg = 0,
- .txq_inline = MLX5_ARG_UNSET,
- .txqs_inline = MLX5_ARG_UNSET,
- .inline_max_packet_sz = MLX5_ARG_UNSET,
- .vf_nl_en = 1,
- .mprq = {
- .enabled = 0,
- .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
- .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
- .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
- },
- };
struct rte_eth_dev *eth_dev = NULL;
struct priv *priv = NULL;
int err = 0;
unsigned int mps;
unsigned int cqe_comp;
+ unsigned int cqe_pad = 0;
unsigned int tunnel_en = 0;
unsigned int mpls_en = 0;
unsigned int swp = 0;
struct ether_addr mac;
char name[RTE_ETH_NAME_MAX_LEN];
int own_domain_id = 0;
+ uint16_t port_id;
unsigned int i;
/* Determine if this port representor is supposed to be spawned. */
return NULL;
}
}
+ /* Build device name. */
+ if (!switch_info->representor)
+ rte_strlcpy(name, dpdk_dev->name, sizeof(name));
+ else
+ snprintf(name, sizeof(name), "%s_representor_%u",
+ dpdk_dev->name, switch_info->port_name);
+ /* check if the device is already spawned */
+ if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
+ rte_errno = EEXIST;
+ return NULL;
+ }
/* Prepare shared data between primary and secondary process. */
mlx5_prepare_shared_data();
errno = 0;
- ctx = mlx5_glue->open_device(ibv_dev);
- if (!ctx) {
- rte_errno = errno ? errno : ENODEV;
- return NULL;
+ ctx = mlx5_glue->dv_open_device(ibv_dev);
+ if (ctx) {
+ config.devx = 1;
+ DRV_LOG(DEBUG, "DEVX is supported");
+ } else {
+ ctx = mlx5_glue->open_device(ibv_dev);
+ if (!ctx) {
+ rte_errno = errno ? errno : ENODEV;
+ return NULL;
+ }
}
#ifdef HAVE_IBV_MLX5_MOD_SWP
dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
else
cqe_comp = 1;
config.cqe_comp = cqe_comp;
+#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
+ /* Whether device supports 128B Rx CQE padding. */
+ cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
+ (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
+#endif
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
tunnel_en = ((dv_attr.tunnel_offloads_caps &
DEBUG("ibv_query_device_ex() failed");
goto error;
}
- if (!switch_info->representor)
- rte_strlcpy(name, dpdk_dev->name, sizeof(name));
- else
- snprintf(name, sizeof(name), "%s_representor_%u",
- dpdk_dev->name, switch_info->port_name);
DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
#if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
!defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
DRV_LOG(DEBUG, "counters are not supported");
+#endif
+#ifndef HAVE_IBV_FLOW_DV_SUPPORT
+ if (config.dv_flow_en) {
+ DRV_LOG(WARNING, "DV flow is not supported");
+ config.dv_flow_en = 0;
+ }
#endif
config.ind_table_max_size =
attr.rss_caps.max_rwq_indirection_table_size;
DRV_LOG(WARNING, "Rx CQE compression isn't supported");
config.cqe_comp = 0;
}
+ if (config.cqe_pad && !cqe_pad) {
+ DRV_LOG(WARNING, "Rx CQE padding isn't supported");
+ config.cqe_pad = 0;
+ } else if (config.cqe_pad) {
+ DRV_LOG(INFO, "Rx CQE padding is enabled");
+ }
if (config.mprq.enabled && mprq) {
if (config.mprq.stride_num_n > mprq_max_stride_num_n ||
config.mprq.stride_num_n < mprq_min_stride_num_n) {
err = ENOMEM;
goto error;
}
+ /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
if (priv->representor) {
eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
eth_dev->data->representor_id = priv->representor_id;
eth_dev->dev_ops = &mlx5_dev_ops;
/* Register MAC address. */
claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
- if (vf && config.vf_nl_en)
+ if (config.vf && config.vf_nl_en)
mlx5_nl_mac_addr_sync(eth_dev);
priv->tcf_context = mlx5_flow_tcf_context_create();
if (!priv->tcf_context) {
{
struct ibv_device **ibv_list;
unsigned int n = 0;
- int vf;
+ struct mlx5_dev_config dev_config;
int ret;
assert(pci_drv == &mlx5_driver);
*/
if (n)
qsort(list, n, sizeof(*list), mlx5_dev_spawn_data_cmp);
+ /* Default configuration. */
+ dev_config = (struct mlx5_dev_config){
+ .mps = MLX5_ARG_UNSET,
+ .tx_vec_en = 1,
+ .rx_vec_en = 1,
+ .txq_inline = MLX5_ARG_UNSET,
+ .txqs_inline = MLX5_ARG_UNSET,
+ .txqs_vec = MLX5_ARG_UNSET,
+ .inline_max_packet_sz = MLX5_ARG_UNSET,
+ .vf_nl_en = 1,
+ .mprq = {
+ .enabled = 0, /* Disabled by default. */
+ .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
+ .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
+ .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
+ },
+ };
+ /* Device speicific configuration. */
switch (pci_dev->id.device_id) {
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5BF:
+ dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS_BLUEFIELD;
+ break;
case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
- vf = 1;
+ dev_config.vf = 1;
break;
default:
- vf = 0;
+ break;
}
+ /* Set architecture-dependent default value if unset. */
+ if (dev_config.txqs_vec == MLX5_ARG_UNSET)
+ dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS;
for (i = 0; i != n; ++i) {
uint32_t restore;
- list[i].eth_dev = mlx5_dev_spawn
- (&pci_dev->device, list[i].ibv_dev, vf, &list[i].info);
+ list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
+ list[i].ibv_dev, dev_config,
+ &list[i].info);
if (!list[i].eth_dev) {
- if (rte_errno != EBUSY)
+ if (rte_errno != EBUSY && rte_errno != EEXIST)
break;
- /* Device is disabled, ignore it. */
+ /* Device is disabled or already spawned. Ignore it. */
continue;
}
restore = list[i].eth_dev->data->dev_flags;
return ret;
}
+/**
+ * DPDK callback to remove a PCI device.
+ *
+ * This function removes all Ethernet devices belong to a given PCI device.
+ *
+ * @param[in] pci_dev
+ * Pointer to the PCI device.
+ *
+ * @return
+ * 0 on success, the function cannot fail.
+ */
+static int
+mlx5_pci_remove(struct rte_pci_device *pci_dev)
+{
+ uint16_t port_id;
+ struct rte_eth_dev *port;
+
+ for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
+ port = &rte_eth_devices[port_id];
+ if (port->state != RTE_ETH_DEV_UNUSED &&
+ port->device == &pci_dev->device)
+ rte_eth_dev_close(port_id);
+ }
+ return 0;
+}
+
static const struct rte_pci_id mlx5_pci_id_map[] = {
{
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
},
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX6)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
+ },
{
.vendor_id = 0
}
},
.id_table = mlx5_pci_id_map,
.probe = mlx5_pci_probe,
- .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV,
+ .remove = mlx5_pci_remove,
+ .drv_flags = (RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV |
+ RTE_PCI_DRV_PROBE_AGAIN),
};
#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
git.droids-corp.org / dpdk.git / blobdiff