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From: Jianfeng Tan <jianfeng.tan@intel.com>
To: dev@dpdk.org
Cc: bruce.richardson@intel.com, konstantin.ananyev@intel.com,
pablo.de.lara.guarch@intel.com, thomas@monjalon.net, yliu@fridaylinux.org,
maxime.coquelin@redhat.com, mtetsuyah@gmail.com, ferruh.yigit@intel.com,
Jianfeng Tan <jianfeng.tan@intel.com>
Date: Fri, 25 Aug 2017 09:40:48 +0000
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Subject: [dpdk-dev] [PATCH 08/12] ethdev: support attach vdev in secondary
process
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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 <jianfeng.tan@intel.com>
---
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