X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ether%2Frte_ether.h;h=08feb412defaf84da09257bc89993bc62775c93d;hb=3031749c2df04a63cdcef186dcce3781e61436e8;hp=607e5b5cfe51628fcca00174681149634487c75a;hpb=b6df9fc8715f9a925136006b18fdd65f9c621757;p=dpdk.git

diff --git a/lib/librte_ether/rte_ether.h b/lib/librte_ether/rte_ether.h
index 607e5b5cfe..08feb412de 100644
--- a/lib/librte_ether/rte_ether.h
+++ b/lib/librte_ether/rte_ether.h
@@ -1,35 +1,34 @@
 /*-
  *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
- * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
- * 
- *     * Redistributions of source code must retain the above copyright 
+ *
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
- * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
  */
 
 #ifndef _RTE_ETHER_H_
@@ -47,6 +46,9 @@ extern "C" {
 
 #include <stdint.h>
 
+#include <rte_memcpy.h>
+#include <rte_random.h>
+
 #define ETHER_ADDR_LEN  6 /**< Length of Ethernet address. */
 #define ETHER_TYPE_LEN  2 /**< Length of Ethernet type field. */
 #define ETHER_CRC_LEN   4 /**< Length of Ethernet CRC. */
@@ -63,6 +65,8 @@ extern "C" {
 #define ETHER_MAX_JUMBO_FRAME_LEN \
 	0x3F00 /**< Maximum Jumbo frame length, including CRC. */
 
+#define ETHER_MAX_VLAN_ID  4095 /**< Maximum VLAN ID. */
+
 /**
  * Ethernet address:
  * A universally administered address is uniquely assigned to a device by its
@@ -194,6 +198,22 @@ static inline int is_valid_assigned_ether_addr(const struct ether_addr *ea)
 	return (is_unicast_ether_addr(ea) && (! is_zero_ether_addr(ea)));
 }
 
+/**
+ * Generate a random Ethernet address that is locally administered
+ * and not multicast.
+ * @param addr
+ *   A pointer to Ethernet address.
+ */
+static inline void eth_random_addr(uint8_t *addr)
+{
+	uint64_t rand = rte_rand();
+	uint8_t *p = (uint8_t*)&rand;
+
+	rte_memcpy(addr, p, ETHER_ADDR_LEN);
+	addr[0] &= ~ETHER_GROUP_ADDR;       /* clear multicast bit */
+	addr[0] |= ETHER_LOCAL_ADMIN_ADDR;  /* set local assignment bit */
+}
+
 /**
  * Fast copy an Ethernet address.
  *