Add tcpdump and libpcap.

- Update the file builder generator to handle generator specific cflags and
  includes. The tcpdump and libpcap have localised headers and need specific
  headers paths to see them. There are also module specific flags and these
  need to be passed to the lex and yacc generators.

- Add the tcpdump support.

1 files changed, 176 insertions, 0 deletions

diff --git a/freebsd/contrib/tcpdump/print-usb.c b/freebsd/contrib/tcpdump/print-usb.c
new file mode 100644
index 00000000..393b66b5
--- /dev/null
+++ b/freebsd/contrib/tcpdump/print-usb.c
@@ -0,0 +1,176 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * Copyright 2009 Bert Vermeulen <bert@biot.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by Paolo Abeni.''
+ * The name of author may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Support for USB packets
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <pcap.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+
+
+#if defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX)
+#include <pcap/usb.h>
+
+/* returns direction: 1=inbound 2=outbound -1=invalid */
+static int
+get_direction(int transfer_type, int event_type)
+{
+	int direction;
+
+	direction = -1;
+	switch(transfer_type){
+	case URB_BULK:
+	case URB_CONTROL:
+	case URB_ISOCHRONOUS:
+		switch(event_type)
+		{
+		case URB_SUBMIT:
+			direction = 2;
+			break;
+		case URB_COMPLETE:
+		case URB_ERROR:
+			direction = 1;
+			break;
+		default:
+			direction = -1;
+		}
+		break;
+	case URB_INTERRUPT:
+		switch(event_type)
+		{
+		case URB_SUBMIT:
+			direction = 1;
+			break;
+		case URB_COMPLETE:
+		case URB_ERROR:
+			direction = 2;
+			break;
+		default:
+			direction = -1;
+		}
+		break;
+	 default:
+		direction = -1;
+	}
+
+	return direction;
+}
+
+static void
+usb_header_print(const pcap_usb_header *uh)
+{
+	int direction;
+
+	switch(uh->transfer_type)
+	{
+		case URB_ISOCHRONOUS:
+			printf("ISOCHRONOUS");
+			break;
+		case URB_INTERRUPT:
+			printf("INTERRUPT");
+			break;
+		case URB_CONTROL:
+			printf("CONTROL");
+			break;
+		case URB_BULK:
+			printf("BULK");
+			break;
+		default:
+			printf(" ?");
+	}
+
+	switch(uh->event_type)
+	{
+		case URB_SUBMIT:
+			printf(" SUBMIT");
+			break;
+		case URB_COMPLETE:
+			printf(" COMPLETE");
+			break;
+		case URB_ERROR:
+			printf(" ERROR");
+			break;
+		default:
+			printf(" ?");
+	}
+
+	direction = get_direction(uh->transfer_type, uh->event_type);
+	if(direction == 1)
+		printf(" from");
+	else if(direction == 2)
+		printf(" to");
+	printf(" %d:%d:%d", uh->bus_id, uh->device_address, uh->endpoint_number & 0x7f);
+}
+
+/*
+ * This is the top level routine of the printer for captures with a
+ * 48-byte header.
+ *
+ * 'p' points to the header of the packet, 'h->ts' is the timestamp,
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+usb_linux_48_byte_print(const struct pcap_pkthdr *h, register const u_char *p)
+{
+	if (h->caplen < sizeof(pcap_usb_header)) {
+		printf("[|usb]");
+		return(sizeof(pcap_usb_header));
+	}
+
+	usb_header_print((const pcap_usb_header *) p);
+
+	return(sizeof(pcap_usb_header));
+}
+
+#ifdef DLT_USB_LINUX_MMAPPED
+/*
+ * This is the top level routine of the printer for captures with a
+ * 64-byte header.
+ *
+ * 'p' points to the header of the packet, 'h->ts' is the timestamp,
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
+ * is the number of bytes actually captured.
+ */
+u_int
+usb_linux_64_byte_print(const struct pcap_pkthdr *h, register const u_char *p)
+{
+	if (h->caplen < sizeof(pcap_usb_header_mmapped)) {
+		printf("[|usb]");
+		return(sizeof(pcap_usb_header_mmapped));
+	}
+
+	usb_header_print((const pcap_usb_header *) p);
+
+	return(sizeof(pcap_usb_header_mmapped));
+}
+#endif /* DLT_USB_LINUX_MMAPPED */
+
+#endif /* defined(HAVE_PCAP_USB_H) && defined(DLT_USB_LINUX) */
+