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ethdev: export function to check port validity

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The function rte_eth_dev_is_valid_port is good way to have all
drivers using same function and solves several hotplug related
bugs from drivers not checking attached flag.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Stephen Hemminger 2015-06-10 15:06:24 -07:00 committed by Thomas Monjalon
parent a20d5f06e2
commit 393775d5c0
3 changed files with 13 additions and 1 deletions
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2
lib/librte_ether/rte_ethdev.c
View File

@ -409,7 +409,7 @@ rte_eth_driver_register(struct eth_driver *eth_drv)
rte_eal_pci_register(&eth_drv->pci_drv);
}
static int
int
rte_eth_dev_is_valid_port(uint8_t port_id)
{
if (port_id >= RTE_MAX_ETHPORTS ||

11
lib/librte_ether/rte_ethdev.h
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@ -1929,6 +1929,17 @@ extern int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
*/
extern int rte_eth_dev_socket_id(uint8_t port_id);
/*
* Check if port_id of device is attached
*
* @param port_id
* The port identifier of the Ethernet device
* @return
* - 0 if port is out of range or not attached
* - 1 if device is attached
*/
extern int rte_eth_dev_is_valid_port(uint8_t port_id);
/*
* Allocate mbuf from mempool, setup the DMA physical address
* and then start RX for specified queue of a port. It is used

1
lib/librte_ether/rte_ether_version.map
View File

@ -114,6 +114,7 @@ DPDK_2.1 {
rte_eth_dev_get_eeprom_length;
rte_eth_dev_get_reg_info;
rte_eth_dev_get_reg_length;
rte_eth_dev_is_valid_port;
rte_eth_dev_set_eeprom;
rte_eth_dev_set_mc_addr_list;
rte_eth_timesync_disable;