#include <vnet/vnet.h>
#include <vppinfra/vec.h>
#include <vppinfra/format.h>
+#include <vppinfra/file.h>
+#include <vlib/unix/unix.h>
#include <assert.h>
#include <vnet/ip/ip.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/arp_packet.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <dpdk/buffer.h>
#include <dpdk/device/dpdk.h>
#include <dpdk/device/dpdk_priv.h>
void
dpdk_device_setup (dpdk_device_t * xd)
{
- dpdk_main_t *dm = &dpdk_main;
vlib_main_t *vm = vlib_get_main ();
vnet_main_t *vnm = vnet_get_main ();
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->sw_if_index);
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
struct rte_eth_dev_info dev_info;
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
- vnet_hw_interface_set_flags (dm->vnet_main, xd->hw_if_index, 0);
+ vnet_hw_interface_set_flags (vnm, xd->hw_if_index, 0);
dpdk_device_stop (xd);
}
xd->port_conf.rxmode.offloads ^= bitmap;
}
- rv = rte_eth_dev_configure (xd->port_id, xd->rx_q_used,
- xd->tx_q_used, &xd->port_conf);
+ rv = rte_eth_dev_configure (xd->port_id, xd->conf.n_rx_queues,
+ xd->conf.n_tx_queues, &xd->port_conf);
if (rv < 0)
{
goto error;
}
- /* Set up one TX-queue per worker thread */
- for (j = 0; j < xd->tx_q_used; j++)
+ vec_validate_aligned (xd->tx_queues, xd->conf.n_tx_queues - 1,
+ CLIB_CACHE_LINE_BYTES);
+ for (j = 0; j < xd->conf.n_tx_queues; j++)
{
- rv =
- rte_eth_tx_queue_setup (xd->port_id, j, xd->nb_tx_desc,
- xd->cpu_socket, &xd->tx_conf);
+ rv = rte_eth_tx_queue_setup (xd->port_id, j, xd->conf.n_tx_desc,
+ xd->cpu_socket, 0);
/* retry with any other CPU socket */
if (rv < 0)
- rv =
- rte_eth_tx_queue_setup (xd->port_id, j,
- xd->nb_tx_desc, SOCKET_ID_ANY,
- &xd->tx_conf);
+ rv = rte_eth_tx_queue_setup (xd->port_id, j, xd->conf.n_tx_desc,
+ SOCKET_ID_ANY, 0);
if (rv < 0)
dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
+
+ if (xd->conf.n_tx_queues < tm->n_vlib_mains)
+ clib_spinlock_init (&vec_elt (xd->tx_queues, j).lock);
}
- vec_validate_aligned (xd->rx_queues, xd->rx_q_used - 1,
+ vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
CLIB_CACHE_LINE_BYTES);
- for (j = 0; j < xd->rx_q_used; j++)
+
+ for (j = 0; j < xd->conf.n_rx_queues; j++)
{
dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, j);
- uword tidx = vnet_get_device_input_thread_index (dm->vnet_main,
- xd->hw_if_index, j);
- unsigned lcore = vlib_worker_threads[tidx].cpu_id;
- u16 socket_id = rte_lcore_to_socket_id (lcore);
- u8 bpidx = vlib_buffer_pool_get_default_for_numa (vm, socket_id);
+ u8 bpidx = vlib_buffer_pool_get_default_for_numa (
+ vm, vnet_hw_if_get_rx_queue_numa_node (vnm, rxq->queue_index));
vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, bpidx);
struct rte_mempool *mp = dpdk_mempool_by_buffer_pool_index[bpidx];
- rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
+ rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->conf.n_rx_desc,
xd->cpu_socket, 0, mp);
/* retry with any other CPU socket */
if (rv < 0)
- rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->nb_rx_desc,
+ rv = rte_eth_rx_queue_setup (xd->port_id, j, xd->conf.n_rx_desc,
SOCKET_ID_ANY, 0, mp);
rxq->buffer_pool_index = bp->index;
goto error;
rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
+ xd->buffer_flags =
+ (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID);
+
+ if ((xd->port_conf.rxmode.offloads &
+ (DEV_RX_OFFLOAD_TCP_CKSUM | DEV_RX_OFFLOAD_UDP_CKSUM)) ==
+ (DEV_RX_OFFLOAD_TCP_CKSUM | DEV_RX_OFFLOAD_UDP_CKSUM))
+ xd->buffer_flags |=
+ (VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
dpdk_device_start (xd);
sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
}
+static clib_error_t *
+dpdk_rx_read_ready (clib_file_t *uf)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ dpdk_main_t *dm = &dpdk_main;
+ u32 qidx = uf->private_data;
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, qidx);
+ dpdk_device_t *xd = vec_elt_at_index (dm->devices, rxq->dev_instance);
+
+ u64 b;
+ CLIB_UNUSED (ssize_t size) = read (uf->file_descriptor, &b, sizeof (b));
+ if (rxq->mode != VNET_HW_IF_RX_MODE_POLLING)
+ {
+ vnet_hw_if_rx_queue_set_int_pending (vnm, uf->private_data);
+ rte_eth_dev_rx_intr_enable (xd->port_id, rxq->queue_id);
+ }
+
+ return 0;
+}
+
+static void
+dpdk_setup_interrupts (dpdk_device_t *xd)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
+ if (!hi)
+ return;
+
+ if (!xd->port_conf.intr_conf.rxq)
+ return;
+
+ /* Probe for interrupt support */
+ if (rte_eth_dev_rx_intr_enable (xd->port_id, 0))
+ {
+ dpdk_log_info ("probe for interrupt mode for device %U. Failed.\n",
+ format_dpdk_device_name, xd->port_id);
+ }
+ else
+ {
+ xd->flags |= DPDK_DEVICE_FLAG_INT_SUPPORTED;
+ if (!(xd->flags & DPDK_DEVICE_FLAG_INT_UNMASKABLE))
+ rte_eth_dev_rx_intr_disable (xd->port_id, 0);
+ dpdk_log_info ("Probe for interrupt mode for device %U. Success.\n",
+ format_dpdk_device_name, xd->port_id);
+ }
+
+ if (xd->flags & DPDK_DEVICE_FLAG_INT_SUPPORTED)
+ {
+ hi->caps |= VNET_HW_IF_CAP_INT_MODE;
+ for (int q = 0; q < xd->conf.n_rx_queues; q++)
+ {
+ dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
+ clib_file_t f = { 0 };
+ rxq->efd = rte_eth_dev_rx_intr_ctl_q_get_fd (xd->port_id, q);
+ if (rxq->efd < 0)
+ {
+ xd->flags &= ~DPDK_DEVICE_FLAG_INT_SUPPORTED;
+ hi->caps &= ~VNET_HW_IF_CAP_INT_MODE;
+ break;
+ }
+ f.read_function = dpdk_rx_read_ready;
+ f.flags = UNIX_FILE_EVENT_EDGE_TRIGGERED;
+ f.file_descriptor = rxq->efd;
+ f.private_data = rxq->queue_index;
+ f.description =
+ format (0, "%U queue %u", format_dpdk_device_name, xd->port_id, q);
+ rxq->clib_file_index = clib_file_add (&file_main, &f);
+ vnet_hw_if_set_rx_queue_file_index (vnm, rxq->queue_index,
+ rxq->clib_file_index);
+ if (xd->flags & DPDK_DEVICE_FLAG_INT_UNMASKABLE)
+ {
+ clib_file_main_t *fm = &file_main;
+ clib_file_t *f =
+ pool_elt_at_index (fm->file_pool, rxq->clib_file_index);
+ fm->file_update (f, UNIX_FILE_UPDATE_DELETE);
+ }
+ }
+ }
+ vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
+}
+
void
dpdk_device_start (dpdk_device_t * xd)
{
return;
}
+ dpdk_setup_interrupts (xd);
+
if (xd->default_mac_address)
rv = rte_eth_dev_default_mac_addr_set (xd->port_id,
(void *) xd->default_mac_address);
return NULL;
}
+/* If this device is VMBUS return pointer to info, otherwise NULL */
+struct rte_vmbus_device *
+dpdk_get_vmbus_device (const struct rte_eth_dev_info *info)
+{
+ const struct rte_bus *bus;
+
+ bus = rte_bus_find_by_device (info->device);
+ if (bus && !strcmp (bus->name, "vmbus"))
+ return container_of (info->device, struct rte_vmbus_device, device);
+ else
+ return NULL;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff