net: use SPDX tags

[dpdk.git] / lib / librte_net / rte_arp.h

diff --git a/lib/librte_net/rte_arp.h b/lib/librte_net/rte_arp.h
index c7b0e51..139a84c 100644 (file)
--- a/lib/librte_net/rte_arp.h
+++ b/lib/librte_net/rte_arp.h
@@ -1,32 +1,5 @@
-/*   BSD LICENSE
- *
- *   Copyright(c) 2013 6WIND.
- *
- *   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
- *       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
- *       distribution.
- *     * Neither the name of 6WIND S.A. 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
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2013 6WIND S.A.
  */
 
 #ifndef _RTE_ARP_H_
@@ -39,6 +12,7 @@
  */
 
 #include <stdint.h>
+#include <rte_ether.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -48,10 +22,10 @@ extern "C" {
  * ARP header IPv4 payload.
  */
 struct arp_ipv4 {
-       uint8_t  arp_sha[6]; /* sender hardware address */
-       uint8_t  arp_sip[4]; /* sender IP address */
-       uint8_t  arp_tha[6]; /* target hardware address */
-       uint8_t  arp_tip[4]; /* target IP address */
+       struct ether_addr arp_sha;  /**< sender hardware address */
+       uint32_t          arp_sip;  /**< sender IP address */
+       struct ether_addr arp_tha;  /**< target hardware address */
+       uint32_t          arp_tip;  /**< target IP address */
 } __attribute__((__packed__));
 
 /**
@@ -72,11 +46,27 @@ struct arp_hdr {
 #define        ARP_OP_INVREQUEST 8 /* request to identify peer */
 #define        ARP_OP_INVREPLY   9 /* response identifying peer */
 
-       union {
-               struct arp_ipv4 arp_ip;
-       } arp_data;
+       struct arp_ipv4 arp_data;
 } __attribute__((__packed__));
 
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Make a RARP packet based on MAC addr.
+ *
+ * @param mpool
+ *   Pointer to the rte_mempool
+ * @param mac
+ *   Pointer to the MAC addr
+ *
+ * @return
+ *   - RARP packet pointer on success, or NULL on error
+ */
+struct rte_mbuf * __rte_experimental
+rte_net_make_rarp_packet(struct rte_mempool *mpool,
+               const struct ether_addr *mac);
+
 #ifdef __cplusplus
 }
 #endif