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From: Shreyansh Jain <shreyansh.jain@nxp.com>
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Subject: [dpdk-dev] [PATCH v5 17/21] ether: utilize container_of for pci_drv
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From: Jan Viktorin <viktorin@rehivetech.com>
It is not necessary to place the rte_pci_driver at the beginning
of the rte_eth_dev struct anymore as we use the container_of macro
to get the parent pointer.
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
lib/librte_ether/rte_ethdev.c | 4 ++--
lib/librte_ether/rte_ethdev.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 0d9d9c1..9aea048 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -241,7 +241,7 @@ rte_eth_dev_pci_probe(struct rte_pci_driver *pci_drv,
int diag;
- eth_drv = (struct eth_driver *)pci_drv;
+ eth_drv = container_of(pci_drv, struct eth_driver, pci_drv);
rte_eal_pci_device_name(&pci_dev->addr, ethdev_name,
sizeof(ethdev_name));
@@ -302,7 +302,7 @@ rte_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
if (eth_dev == NULL)
return -ENODEV;
- eth_drv = (const struct eth_driver *)pci_dev->driver;
+ eth_drv = container_of(pci_dev->driver, struct eth_driver, pci_drv);
/* Invoke PMD device uninit function */
if (*eth_drv->eth_dev_uninit) {
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 38641e8..f893fe0 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1850,7 +1850,7 @@ typedef int (*eth_dev_uninit_t)(struct rte_eth_dev *eth_dev);
* Each Ethernet driver acts as a PCI driver and is represented by a generic
* *eth_driver* structure that holds:
*
- * - An *rte_pci_driver* structure (which must be the first field).
+ * - An *rte_pci_driver* structure.
*
* - The *eth_dev_init* function invoked for each matching PCI device.
*
--
2.7.4