rte_ethdev_driver.h File Reference

#include <rte_ethdev.h>

Go to the source code of this file.

Functions
struct rte_memzone *	rte_eth_dma_zone_reserve (const struct rte_eth_dev *eth_dev, const char *name, uint16_t queue_id, size_t size, unsigned align, int socket_id)

Detailed Description

RTE Ethernet Device PMD API

These APIs for the use from Ethernet drivers, user applications shouldn't use them.

Definition in file rte_ethdev_driver.h.

Function Documentation

struct rte_memzone* rte_eth_dma_zone_reserve ( const struct rte_eth_dev *  eth_dev, const char *  name, uint16_t  queue_id, size_t  size, unsigned  align, int  socket_id  )

read

Create memzone for HW rings. malloc can't be used as the physical address is needed. If the memzone is already created, then this function returns a ptr to the old one.

Parameters

eth_dev	The eth_dev pointer is the address of the rte_eth_dev structure
name	The name of the memory zone
queue_id	The index of the queue to add to name
size	The sizeof of the memory area
align	Alignment for resulting memzone. Must be a power of 2.
socket_id	The socket_id argument is the socket identifier in case of NUMA.