1 files changed, 51 insertions, 0 deletions
diff --git a/sys/include/net/if_arp.h b/sys/include/net/if_arp.h
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+++ b/sys/include/net/if_arp.h
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+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of Hyra 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.
+ */
+
+#ifndef _NETINET_IF_ARP_H_
+#define _NETINET_IF_ARP_H_
+
+#include <sys/types.h>
+#include <net/ethertypes.h>
+
+/* ARP hardware types */
+#define ARP_HWTYPE_ETHER 1
+
+/* ARP operation types */
+#define ARP_REQUEST 1
+#define ARP_REPLY   2
+
+struct arp_hdr {
+    uint16_t hw_type;      /* See ARP_HWTYPE_*  */
+    uint16_t proto_type;   /* See ETHERTYPE_*  */
+    uint8_t hw_len;        /* See ETHER_ADDR_LEN */
+    uint8_t proto_len;     /* Protocol address length */
+    uint16_t op_type;      /* See operation types above */
+};
+
+#endif  /* !_NETINET_IF_ARP_H_ */