From: Helin Zhang <helin.zhang@intel.com>
Date: Thu, 5 Jun 2014 05:08:50 +0000 (+0800)
Subject: ethdev: function to compare ethernet addresses
X-Git-Tag: spdx-start~10675
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0bb4a2b51a63fa29cbe0e9f7f3878c37358fd35e;p=dpdk.git

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>
---

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.
  *