/*
* Copyright (c) 2008, 2009 Nicira Networks.
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
+
#ifndef PACKETS_H
#define PACKETS_H 1
+#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include "compiler.h"
#include "random.h"
#include "util.h"
+struct ofpbuf;
+
#define ETH_ADDR_LEN 6
static const uint8_t eth_addr_broadcast[ETH_ADDR_LEN] UNUSED
&& (ea[5] & 0xf0) == 0x00);
}
+void compose_benign_packet(struct ofpbuf *, const char *tag,
+ uint16_t snap_type,
+ const uint8_t eth_src[ETH_ADDR_LEN]);
+
+/* Example:
+ *
+ * uint8_t mac[ETH_ADDR_LEN];
+ * [...]
+ * printf("The Ethernet address is "ETH_ADDR_FMT"\n", ETH_ADDR_ARGS(mac));
+ *
+ */
#define ETH_ADDR_FMT \
"%02"PRIx8":%02"PRIx8":%02"PRIx8":%02"PRIx8":%02"PRIx8":%02"PRIx8
#define ETH_ADDR_ARGS(ea) \
(ea)[0], (ea)[1], (ea)[2], (ea)[3], (ea)[4], (ea)[5]
+/* Example:
+ *
+ * char *string = "1 00:11:22:33:44:55 2";
+ * uint8_t mac[ETH_ADDR_LEN];
+ * int a, b;
+ *
+ * if (sscanf(string, "%d"ETH_ADDR_SCAN_FMT"%d",
+ * &a, ETH_ADDR_SCAN_ARGS(mac), &b) == 1 + ETH_ADDR_SCAN_COUNT + 1) {
+ * ...
+ * }
+ */
+#define ETH_ADDR_SCAN_FMT "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8
+#define ETH_ADDR_SCAN_ARGS(ea) \
+ &(ea)[0], &(ea)[1], &(ea)[2], &(ea)[3], &(ea)[4], &(ea)[5]
+#define ETH_ADDR_SCAN_COUNT 6
+
#define ETH_TYPE_IP 0x0800
#define ETH_TYPE_ARP 0x0806
#define ETH_TYPE_VLAN 0x8100