1 files changed, 35 insertions, 0 deletions

diff --git a/include/uapi/linux/dvb/dmx.h b/include/uapi/linux/dvb/dmx.h
index 5f3c5a918f00..b4112f0b6dd3 100644
--- a/include/uapi/linux/dvb/dmx.h
+++ b/include/uapi/linux/dvb/dmx.h
@@ -212,6 +212,32 @@ struct dmx_stc {
 };
 
 /**
+ * enum dmx_buffer_flags - DMX memory-mapped buffer flags
+ *
+ * @DMX_BUFFER_FLAG_HAD_CRC32_DISCARD:
+ *      Indicates that the Kernel discarded one or more frames due to wrong
+ *      CRC32 checksum.
+ * @DMX_BUFFER_FLAG_TEI:
+ *      Indicates that the Kernel has detected a Transport Error indicator
+ *      (TEI) on a filtered pid.
+ * @DMX_BUFFER_PKT_COUNTER_MISMATCH:
+ *      Indicates that the Kernel has detected a packet counter mismatch
+ *      on a filtered pid.
+ * @DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED:
+ *      Indicates that the Kernel has detected one or more frame discontinuity.
+ * @DMX_BUFFER_FLAG_DISCONTINUITY_INDICATOR:
+ *      Received at least one packet with a frame discontinuity indicator.
+ */
+
+enum dmx_buffer_flags {
+        DMX_BUFFER_FLAG_HAD_CRC32_DISCARD               = 1 << 0,
+        DMX_BUFFER_FLAG_TEI                             = 1 << 1,
+        DMX_BUFFER_PKT_COUNTER_MISMATCH                 = 1 << 2,
+        DMX_BUFFER_FLAG_DISCONTINUITY_DETECTED          = 1 << 3,
+        DMX_BUFFER_FLAG_DISCONTINUITY_INDICATOR         = 1 << 4,
+};
+
+/**
  * struct dmx_buffer - dmx buffer info
  *
  * @index:      id number of the buffer
@@ -220,15 +246,24 @@ struct dmx_stc {
  *              offset from the start of the device memory for this plane,
  *              (or a "cookie" that should be passed to mmap() as offset)
  * @length:     size in bytes of the buffer
+ * @flags:      bit array of buffer flags as defined by &enum dmx_buffer_flags.
+ *              Filled only at &DMX_DQBUF.
+ * @count:      monotonic counter for filled buffers. Helps to identify
+ *              data stream loses. Filled only at &DMX_DQBUF.
  *
  * Contains data exchanged by application and driver using one of the streaming
  * I/O methods.
+ *
+ * Please notice that, for &DMX_QBUF, only @index should be filled.
+ * On &DMX_DQBUF calls, all fields will be filled by the Kernel.
  */
 struct dmx_buffer {
         __u32                   index;
         __u32                   bytesused;
         __u32                   offset;
         __u32                   length;
+        __u32                   flags;
+        __u32                   count;
 };
 
 /**