diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/print-usb.c')
| -rw-r--r-- | freebsd/contrib/tcpdump/print-usb.c | 176 |
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) */ + |