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ethdev: function to compare ethernet addresses

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To support i40e, function is_same_ether_addr() has been added to
compare two ethernet address.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Signed-off-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Heqing Zhu <heqing.zhu@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
This commit is contained in:
Helin Zhang 2014-06-05 13:08:50 +08:00 committed by Thomas Monjalon
parent 287597000f
commit 0bb4a2b51a
1 changed files with 24 additions and 0 deletions

24
lib/librte_ether/rte_ether.h

@ -85,6 +85,30 @@ struct ether_addr {
#define ETHER_LOCAL_ADMIN_ADDR 0x02 /**< Locally assigned Eth. address. */
#define ETHER_GROUP_ADDR 0x01 /**< Multicast or broadcast Eth. address. */
/**
* Check if two Ethernet addresses are the same.
*
* @param ea1
* A pointer to the first ether_addr structure containing
* the ethernet address.
* @param ea2
* A pointer to the second ether_addr structure containing
* the ethernet address.
*
* @return
* True (1) if the given two ethernet address are the same;
* False (0) otherwise.
*/
static inline int is_same_ether_addr(const struct ether_addr *ea1,
const struct ether_addr *ea2)
{
int i;
for (i = 0; i < ETHER_ADDR_LEN; i++)
if (ea1->addr_bytes[i] != ea2->addr_bytes[i])
return 0;
return 1;
}
/**
* Check if an Ethernet address is filled with zeros.
*