lib/network_types.h: new file

This file includes data structures that are needed by tools/dump-funcs.c to be built in freestanding environments. It is included by ptpdump.h, but only for freestanding builds. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

lib/network_types.h: new file
This file includes data structures that are needed by tools/dump-funcs.c to be built in freestanding environments. It is included by ptpdump.h, but only for freestanding builds. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
1e8c65c6 · Alessandro Rubini · d924e8b0 · 1e8c65c6
Commit 1e8c65c6 authored Mar 14, 2013 by Alessandro Rubini
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network_types.h lib/network_types.h +43 -0

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--- a/lib/network_types.h
+++ b/lib/network_types.h
+/*
+ * This header is a hack, meant to provide data structures for
+ * tools/dump-funcs.c when it is built in a freestanding environment.
+ */
+#include <arch/arch.h>		/* for ntohs and ntohl */
+
+/* From: /usr/include/linux/if_ether.h with s/__be16/uint16_t/ */
+
+#define ETH_ALEN	6		/* Octets in one ethernet addr	 */
+#define ETH_HLEN	14		/* Total octets in header.	 */
+
+struct ethhdr {
+	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr */
+	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
+	uint16_t	h_proto;		/* packet type ID field */
+} __attribute__((packed));
+
+
+/* From: /usr/include/netinet/ip.h, renaming the bitfield to avoid using them */
+
+struct iphdr {
+	unsigned int ihl_unused:4;
+	unsigned int version_unused:4;
+	uint8_t tos;
+	uint16_t tot_len;
+	uint16_t id;
+	uint16_t frag_off;
+	uint8_t ttl;
+	uint8_t protocol;
+	uint16_t check;
+	uint32_t saddr;
+	uint32_t daddr;
+	/*The options start here. */
+};
+
+/* From: /usr/include/netinet/udp.h */
+
+struct udphdr {
+	uint16_t source;
+	uint16_t dest;
+	uint16_t len;
+	uint16_t check;
+};