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ethdev: get port by name

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Converted rte_eth_dev_get_port_by_name to a public API.
Converted rte_eth_dev_get_name_by_port to a public API.

The librte_pdump library provides the APIs to enable or disable the
packet capture either using the port id or pci address or device name.
So pdump library need to do a mapping from name to port and port to name
internally to validate the device name and register the Rx and Tx
callbacks for the mapped ports. So these APIs are made public for the
pdump library for doing the mentioned mappings.

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
Reshma Pattan 2016-06-15 15:06:21 +01:00 committed by Thomas Monjalon
parent 00851d47f7
commit bde516d5a8
3 changed files with 33 additions and 2 deletions
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4
lib/librte_ether/rte_ethdev.c
View File

@ -406,7 +406,7 @@ rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
return 0;
}
static int
int
rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
{
char *tmp;
@ -425,7 +425,7 @@ rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
return 0;
}
static int
int
rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
{
int i;

29
lib/librte_ether/rte_ethdev.h
View File

@ -4325,6 +4325,35 @@ rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
uint32_t mask,
uint8_t en);
/**
* Get the port id from pci adrress or device name
* Ex: 0000:2:00.0 or vdev name eth_pcap0
*
* @param name
* pci address or name of the device
* @param port_id
* pointer to port identifier of the device
* @return
* - (0) if successful.
* - (-ENODEV or -EINVAL) on failure.
*/
int
rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id);
/**
* Get the device name from port id
*
* @param port_id
* pointer to port identifier of the device
* @param name
* pci address or name of the device
* @return
* - (0) if successful.
* - (-EINVAL) on failure.
*/
int
rte_eth_dev_get_name_by_port(uint8_t port_id, char *name);
#ifdef __cplusplus
}
#endif

2
lib/librte_ether/rte_ether_version.map
View File

@ -137,5 +137,7 @@ DPDK_16.07 {
global:
rte_eth_add_first_rx_callback;
rte_eth_dev_get_name_by_port;
rte_eth_dev_get_port_by_name;
rte_eth_xstats_get_names;
} DPDK_16.04;