* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
#include <vnet/vnet.h>
#include <vppinfra/vec.h>
#include <vppinfra/format.h>
-#include <vlib/unix/cj.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>
#include <vppinfra/error.h>
-clib_error_t *
-dpdk_error_return (clib_error_t * error, char *str, dpdk_device_t * xd,
- int rv)
+/* DPDK TX offload to vnet hw interface caps mapppings */
+static struct
+{
+ u64 offload;
+ vnet_hw_if_caps_t caps;
+} tx_off_caps_map[] = {
+ { RTE_ETH_TX_OFFLOAD_IPV4_CKSUM, VNET_HW_IF_CAP_TX_IP4_CKSUM },
+ { RTE_ETH_TX_OFFLOAD_TCP_CKSUM, VNET_HW_IF_CAP_TX_TCP_CKSUM },
+ { RTE_ETH_TX_OFFLOAD_UDP_CKSUM, VNET_HW_IF_CAP_TX_UDP_CKSUM },
+ { RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM, VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM },
+ { RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM, VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM },
+ { RTE_ETH_TX_OFFLOAD_TCP_TSO, VNET_HW_IF_CAP_TCP_GSO },
+ { RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO, VNET_HW_IF_CAP_VXLAN_TNL_GSO }
+};
+
+void
+dpdk_device_error (dpdk_device_t * xd, char *str, int rv)
{
- return clib_error_return (error, "%s[%d]: %s(%d)", str, xd->device_index,
- rte_strerror (rv), rv);
+ dpdk_log_err ("Interface %U error %d: %s",
+ format_dpdk_device_name, xd->port_id, rv, rte_strerror (rv));
+ xd->errors = clib_error_return (xd->errors, "%s[port:%d, errno:%d]: %s",
+ str, xd->port_id, rv, rte_strerror (rv));
}
-clib_error_t *
+void
dpdk_device_setup (dpdk_device_t * xd)
{
- dpdk_main_t *dm = &dpdk_main;
- clib_error_t *err = 0;
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_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);
+ u16 buf_sz = vlib_buffer_get_default_data_size (vm);
+ vnet_hw_if_caps_change_t caps = {};
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_conf conf = {};
+ u64 rxo, txo;
+ u32 max_frame_size;
int rv;
int j;
ASSERT (vlib_get_thread_index () == 0);
+ clib_error_free (xd->errors);
+ sw->flags &= ~VNET_SW_INTERFACE_FLAG_ERROR;
+
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);
}
- rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
- xd->tx_q_used, &xd->port_conf);
+ rte_eth_dev_info_get (xd->port_id, &dev_info);
+
+ dpdk_log_debug ("[%u] configuring device %U", xd->port_id,
+ format_dpdk_rte_device, dev_info.device);
+
+ /* create rx and tx offload wishlist */
+ rxo = RTE_ETH_RX_OFFLOAD_IPV4_CKSUM;
+ txo = 0;
+
+ if (xd->conf.enable_tcp_udp_checksum)
+ rxo |= RTE_ETH_RX_OFFLOAD_UDP_CKSUM | RTE_ETH_RX_OFFLOAD_TCP_CKSUM;
+
+ if (xd->conf.disable_tx_checksum_offload == 0 &&
+ xd->conf.enable_outer_checksum_offload)
+ txo |=
+ RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM | RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM;
+
+ if (xd->conf.disable_tx_checksum_offload == 0)
+ txo |= RTE_ETH_TX_OFFLOAD_IPV4_CKSUM | RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM;
+
+ if (xd->conf.disable_multi_seg == 0)
+ {
+ txo |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+ rxo |= RTE_ETH_RX_OFFLOAD_SCATTER;
+#if RTE_VERSION < RTE_VERSION_NUM(21, 11, 0, 0)
+ rxo |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+#endif
+ }
+
+ if (xd->conf.enable_lro)
+ rxo |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
+
+ /* per-device offload config */
+ if (xd->conf.enable_tso)
+ txo |= RTE_ETH_TX_OFFLOAD_TCP_CKSUM | RTE_ETH_TX_OFFLOAD_TCP_TSO |
+ RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO;
+
+ if (xd->conf.disable_rx_scatter)
+ rxo &= ~RTE_ETH_RX_OFFLOAD_SCATTER;
+
+ /* mask unsupported offloads */
+ rxo &= dev_info.rx_offload_capa;
+ txo &= dev_info.tx_offload_capa;
+
+ dpdk_log_debug ("[%u] Supported RX offloads: %U", xd->port_id,
+ format_dpdk_rx_offload_caps, dev_info.rx_offload_capa);
+ dpdk_log_debug ("[%u] Configured RX offloads: %U", xd->port_id,
+ format_dpdk_rx_offload_caps, rxo);
+ dpdk_log_debug ("[%u] Supported TX offloads: %U", xd->port_id,
+ format_dpdk_tx_offload_caps, dev_info.tx_offload_capa);
+ dpdk_log_debug ("[%u] Configured TX offloads: %U", xd->port_id,
+ format_dpdk_tx_offload_caps, txo);
+
+ /* finalize configuration */
+ conf.rxmode.offloads = rxo;
+ conf.txmode.offloads = txo;
+ if (rxo & RTE_ETH_RX_OFFLOAD_TCP_LRO)
+ conf.rxmode.max_lro_pkt_size = xd->conf.max_lro_pkt_size;
+
+ if (xd->conf.enable_lsc_int)
+ conf.intr_conf.lsc = 1;
+ if (xd->conf.enable_rxq_int)
+ conf.intr_conf.rxq = 1;
+
+ conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE;
+ if (xd->conf.n_rx_queues > 1)
+ {
+ if (xd->conf.disable_rss == 0)
+ {
+ conf.rxmode.mq_mode = RTE_ETH_MQ_RX_RSS;
+ conf.rx_adv_conf.rss_conf.rss_hf = xd->conf.rss_hf;
+ }
+ }
+
+#if RTE_VERSION < RTE_VERSION_NUM(21, 11, 0, 0)
+ if (rxo & DEV_RX_OFFLOAD_JUMBO_FRAME)
+ {
+ conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
+ xd->max_supported_frame_size = dev_info.max_rx_pktlen;
+ mtu = xd->max_supported_frame_size - xd->driver_frame_overhead;
+ }
+ else
+ {
+ xd->max_supported_frame_size =
+ clib_min (1500 + xd->driver_frame_overhead, buf_sz);
+ }
+#else
+ if (xd->conf.disable_multi_seg)
+ xd->max_supported_frame_size = clib_min (dev_info.max_rx_pktlen, buf_sz);
+ else
+ xd->max_supported_frame_size = dev_info.max_rx_pktlen;
+#endif
+
+ max_frame_size = clib_min (xd->max_supported_frame_size,
+ ethernet_main.default_mtu + hi->frame_overhead);
+
+#if RTE_VERSION >= RTE_VERSION_NUM(21, 11, 0, 0)
+ conf.rxmode.mtu = max_frame_size - xd->driver_frame_overhead;
+#endif
+
+retry:
+ rv = rte_eth_dev_configure (xd->port_id, xd->conf.n_rx_queues,
+ xd->conf.n_tx_queues, &conf);
+ if (rv < 0 && conf.intr_conf.rxq)
+ {
+ conf.intr_conf.rxq = 0;
+ goto retry;
+ }
+
+#if RTE_VERSION < RTE_VERSION_NUM(21, 11, 0, 0)
+ rte_eth_dev_set_mtu (xd->port_id,
+ max_frame_size - xd->driver_frame_overhead);
+#endif
- if (rv < 0)
- return dpdk_error_return (err, "rte_eth_dev_configure", xd, rv);
+ hi->max_frame_size = 0;
+ vnet_hw_interface_set_max_frame_size (vnm, xd->hw_if_index, max_frame_size);
+ dpdk_log_debug ("[%u] max_frame_size %u max max_frame_size %u "
+ "driver_frame_overhead %u",
+ xd->port_id, hi->max_frame_size,
+ xd->max_supported_frame_size, xd->driver_frame_overhead);
- /* 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->device_index, 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->device_index, 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)
- err = dpdk_error_return (err, "rte_eth_tx_queue_setup", xd, rv);
+ dpdk_device_error (xd, "rte_eth_tx_queue_setup", rv);
+
+ clib_spinlock_init (&vec_elt (xd->tx_queues, j).lock);
}
- for (j = 0; j < xd->rx_q_used; j++)
+ vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
+ CLIB_CACHE_LINE_BYTES);
+
+ for (j = 0; j < xd->conf.n_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].lcore_id;
- u16 socket_id = rte_lcore_to_socket_id (lcore);
+ dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, j);
+ 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->device_index, j, xd->nb_rx_desc,
- xd->cpu_socket, 0,
- dm->pktmbuf_pools[socket_id]);
+ 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->device_index, j, xd->nb_rx_desc,
- SOCKET_ID_ANY, 0,
- dm->pktmbuf_pools[socket_id]);
+ 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;
if (rv < 0)
- err = dpdk_error_return (err, "rte_eth_rx_queue_setup", xd, rv);
+ dpdk_device_error (xd, "rte_eth_rx_queue_setup", rv);
}
- if (err)
- return err;
+ if (vec_len (xd->errors))
+ goto error;
+
+ xd->buffer_flags =
+ (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID);
+
+ if ((rxo & (RTE_ETH_RX_OFFLOAD_TCP_CKSUM | RTE_ETH_RX_OFFLOAD_UDP_CKSUM)) ==
+ (RTE_ETH_RX_OFFLOAD_TCP_CKSUM | RTE_ETH_RX_OFFLOAD_UDP_CKSUM))
+ xd->buffer_flags |=
+ (VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
+
+ dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_RX_IP4_CKSUM,
+ rxo & RTE_ETH_RX_OFFLOAD_IPV4_CKSUM);
+ dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_MAYBE_MULTISEG,
+ rxo & RTE_ETH_RX_OFFLOAD_SCATTER);
+ dpdk_device_flag_set (
+ xd, DPDK_DEVICE_FLAG_TX_OFFLOAD,
+ (txo & (RTE_ETH_TX_OFFLOAD_TCP_CKSUM | RTE_ETH_TX_OFFLOAD_UDP_CKSUM)) ==
+ (RTE_ETH_TX_OFFLOAD_TCP_CKSUM | RTE_ETH_TX_OFFLOAD_UDP_CKSUM));
+
+ /* unconditionally set mac filtering cap */
+ caps.val = caps.mask = VNET_HW_IF_CAP_MAC_FILTER;
+
+ ethernet_set_flags (vnm, xd->hw_if_index,
+ ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
+
+ for (int i = 0; i < ARRAY_LEN (tx_off_caps_map); i++)
+ {
+ __typeof__ (tx_off_caps_map[0]) *v = tx_off_caps_map + i;
+ caps.mask |= v->caps;
+ if ((v->offload & txo) == v->offload)
+ caps.val |= v->caps;
+ }
+
+ vnet_hw_if_change_caps (vnm, xd->hw_if_index, &caps);
+ xd->enabled_rx_off = rxo;
+ xd->enabled_tx_off = txo;
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- err = dpdk_device_start (xd);
+ dpdk_device_start (xd);
+
+ if (vec_len (xd->errors))
+ goto error;
+
+ return;
- return err;
+error:
+ xd->flags |= DPDK_DEVICE_FLAG_PMD_INIT_FAIL;
+ sw->flags |= VNET_SW_INTERFACE_FLAG_ERROR;
}
-clib_error_t *
+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);
+ int int_mode = 0;
+ if (!hi)
+ return;
+
+ if (!xd->conf.enable_rxq_int)
+ 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)
+ {
+ int_mode = 1;
+ 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;
+ int_mode = 0;
+ 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);
+ }
+ }
+ }
+
+ if (int_mode)
+ vnet_hw_if_set_caps (vnm, hi->hw_if_index, VNET_HW_IF_CAP_INT_MODE);
+ else
+ vnet_hw_if_unset_caps (vnm, hi->hw_if_index, VNET_HW_IF_CAP_INT_MODE);
+ vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
+}
+
+void
dpdk_device_start (dpdk_device_t * xd)
{
int rv;
- clib_error_t *err = 0;
- rv = rte_eth_dev_start (xd->device_index);
+ if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
+ return;
+
+ rv = rte_eth_dev_start (xd->port_id);
if (rv)
- return dpdk_error_return (err, "rte_eth_dev_start", xd, rv);
+ {
+ dpdk_device_error (xd, "rte_eth_dev_start", rv);
+ return;
+ }
+
+ dpdk_log_debug ("[%u] RX burst function: %U", xd->port_id,
+ format_dpdk_burst_fn, xd, VLIB_RX);
+ dpdk_log_debug ("[%u] TX burst function: %U", xd->port_id,
+ format_dpdk_burst_fn, xd, VLIB_TX);
+
+ dpdk_setup_interrupts (xd);
if (xd->default_mac_address)
- rv =
- rte_eth_dev_default_mac_addr_set (xd->device_index,
- (struct ether_addr *)
- xd->default_mac_address);
+ rv = rte_eth_dev_default_mac_addr_set (xd->port_id,
+ (void *) xd->default_mac_address);
if (rv)
- err = dpdk_error_return (err, "rte_eth_dev_default_mac_addr_set", xd, rv);
+ dpdk_device_error (xd, "rte_eth_dev_default_mac_addr_set", rv);
if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
- rte_eth_promiscuous_enable (xd->device_index);
+ rte_eth_promiscuous_enable (xd->port_id);
else
- rte_eth_promiscuous_disable (xd->device_index);
+ rte_eth_promiscuous_disable (xd->port_id);
- rte_eth_allmulticast_enable (xd->device_index);
+ rte_eth_allmulticast_enable (xd->port_id);
- if (xd->pmd == VNET_DPDK_PMD_BOND)
+ dpdk_log_info ("Interface %U started",
+ format_dpdk_device_name, xd->port_id);
+}
+
+void
+dpdk_device_stop (dpdk_device_t * xd)
+{
+ if (xd->flags & DPDK_DEVICE_FLAG_PMD_INIT_FAIL)
+ return;
+
+ rte_eth_allmulticast_disable (xd->port_id);
+ rte_eth_dev_stop (xd->port_id);
+ clib_memset (&xd->link, 0, sizeof (struct rte_eth_link));
+
+ dpdk_log_info ("Interface %U stopped",
+ format_dpdk_device_name, xd->port_id);
+}
+
+void vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
+
+always_inline int
+dpdk_port_state_callback_inline (dpdk_portid_t port_id,
+ enum rte_eth_event_type type, void *param)
+{
+ struct rte_eth_link link;
+
+ RTE_SET_USED (param);
+ if (type != RTE_ETH_EVENT_INTR_LSC)
{
- u8 slink[16];
- int nlink = rte_eth_bond_slaves_get (xd->device_index, slink, 16);
- while (nlink >= 1)
- {
- u8 dpdk_port = slink[--nlink];
- rte_eth_allmulticast_enable (dpdk_port);
- }
+ dpdk_log_info ("Unknown event %d received for port %d", type, port_id);
+ return -1;
}
- return err;
+ rte_eth_link_get_nowait (port_id, &link);
+ u8 link_up = link.link_status;
+ if (link_up)
+ dpdk_log_info ("Port %d Link Up - speed %u Mbps - %s", port_id,
+ (unsigned) link.link_speed,
+ (link.link_duplex == RTE_ETH_LINK_FULL_DUPLEX) ?
+ "full-duplex" :
+ "half-duplex");
+ else
+ dpdk_log_info ("Port %d Link Down\n\n", port_id);
+
+ return 0;
}
-clib_error_t *
-dpdk_device_stop (dpdk_device_t * xd)
+int
+dpdk_port_state_callback (dpdk_portid_t port_id,
+ enum rte_eth_event_type type,
+ void *param,
+ void *ret_param __attribute__ ((unused)))
{
- rte_eth_dev_stop (xd->device_index);
+ return dpdk_port_state_callback_inline (port_id, type, param);
+}
- return 0;
+/* If this device is PCI return pointer to info, otherwise NULL */
+struct rte_pci_device *
+dpdk_get_pci_device (const struct rte_eth_dev_info *info)
+{
+ const struct rte_bus *bus;
+
+ bus = rte_bus_find_by_device (info->device);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (bus && !strcmp (rte_bus_name (bus), "pci"))
+#else
+ if (bus && !strcmp (bus->name, "pci"))
+#endif
+ return RTE_DEV_TO_PCI (info->device);
+ else
+ 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 RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (bus && !strcmp (rte_bus_name (bus), "vmbus"))
+#else
+ if (bus && !strcmp (bus->name, "vmbus"))
+#endif
+ return container_of (info->device, struct rte_vmbus_device, device);
+ else
+ return NULL;
}
/*
Code Review / vpp.git / blobdiff