[PATCH v2 09/12] ethdev: support attach vdev in secondary process
From: Jianfeng Tan <hidden>
Date: 2017-09-28 13:54:59
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
When vdev driver requests an ethdev entry in secondary process, we will identify the correct entry in rte_eth_dev_data array and return the correct entry in the rte_eth_devices arrays. Signed-off-by: Jianfeng Tan <redacted> --- lib/librte_ether/rte_ethdev_vdev.h | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev_vdev.h b/lib/librte_ether/rte_ethdev_vdev.h
index 4d2c3e2..460749b 100644
--- a/lib/librte_ether/rte_ethdev_vdev.h
+++ b/lib/librte_ether/rte_ethdev_vdev.h@@ -58,25 +58,29 @@ rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size) struct rte_eth_dev *eth_dev; const char *name = rte_vdev_device_name(dev); - eth_dev = rte_eth_dev_allocate(name); - if (!eth_dev) - return NULL; - - if (private_data_size) { - eth_dev->data->dev_private = rte_zmalloc_socket(name, - private_data_size, RTE_CACHE_LINE_SIZE, - dev->device.numa_node); - if (!eth_dev->data->dev_private) { - rte_eth_dev_release_port(eth_dev); + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + eth_dev = rte_eth_dev_allocate(name); + if (!eth_dev) return NULL; + + if (private_data_size) { + eth_dev->data->dev_private = rte_zmalloc_socket(name, + private_data_size, RTE_CACHE_LINE_SIZE, + dev->device.numa_node); + if (!eth_dev->data->dev_private) { + rte_eth_dev_release_port(eth_dev); + return NULL; + } } + } else { + eth_dev = rte_eth_dev_attach_secondary(name); } eth_dev->device = &dev->device; eth_dev->intr_handle = NULL; - eth_dev->data->kdrv = RTE_KDRV_NONE; eth_dev->data->numa_node = dev->device.numa_node; + return eth_dev; }
--
2.7.4