1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/ieee1394/iso.h b/drivers/ieee1394/iso.h
index fb654d9639a7..3efc60b33a88 100644
--- a/drivers/ieee1394/iso.h
+++ b/drivers/ieee1394/iso.h
@@ -47,6 +47,14 @@ struct hpsb_iso_packet_info {
         /* 2-bit 'tag' and 4-bit 'sy' fields of the isochronous header */
         __u8 tag;
         __u8 sy;
+
+        /*
+         * length in bytes of the packet including header/trailer.
+         * MUST be at structure end, since the first part of this structure is also 
+         * defined in raw1394.h (i.e. struct raw1394_iso_packet_info), is copied to 
+         * userspace and is accessed there through libraw1394. 
+         */
+        __u16 total_len;
 };
 
 enum hpsb_iso_type { HPSB_ISO_RECV = 0, HPSB_ISO_XMIT = 1 };
@@ -111,6 +119,9 @@ struct hpsb_iso {
         /* how many times the buffer has overflowed or underflowed */
         atomic_t overflows;
 
+        /* Current number of bytes lost in discarded packets */
+        int bytes_discarded;
+
         /* private flags to track initialization progress */
 #define HPSB_ISO_DRIVER_INIT     (1<<0)
 #define HPSB_ISO_DRIVER_STARTED  (1<<1)
@@ -193,7 +204,7 @@ void hpsb_iso_packet_sent(struct hpsb_iso *iso, int cycle, int error);
 
 /* call after a packet has been received (interrupt context OK) */
 void hpsb_iso_packet_received(struct hpsb_iso *iso, u32 offset, u16 len,
-                              u16 cycle, u8 channel, u8 tag, u8 sy);
+                              u16 total_len, u16 cycle, u8 channel, u8 tag, u8 sy);
 
 /* call to wake waiting processes after buffer space has opened up. */
 void hpsb_iso_wake(struct hpsb_iso *iso);