From 0bb4a2b51a63fa29cbe0e9f7f3878c37358fd35e Mon Sep 17 00:00:00 2001
From: Helin Zhang <helin.zhang@intel.com>
Date: Thu, 5 Jun 2014 13:08:50 +0800
Subject: [PATCH] ethdev: function to compare ethernet addresses
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>
---
lib/librte_ether/rte_ether.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/lib/librte_ether/rte_ether.h b/lib/librte_ether/rte_ether.h
index 08feb412de..a25ca109bf 100644
--- a/lib/librte_ether/rte_ether.h
+++ b/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.
*