sdk/include/ddk/backpack.h

   1 #ifndef _BACKPACK_
   2 #define _BACKPACK_
   3
   4 typedef struct _THROTTLING_STATE
   5 {
   6     LARGE_INTEGER NextTime;
   7     volatile ULONG CurrentIncrement;
   8     ULONG MaximumDelay;
   9     LARGE_INTEGER Increment;
  10     volatile ULONG NumberOfQueries;
  11 } THROTTLING_STATE, *PTHROTTLING_STATE;
  12
  13 #define RxInitializeThrottlingState(BP, Inc, MaxDelay) \
  14 {                                                      \
  15     if ((Inc) > 0)                                     \
  16     {                                                  \
  17         (BP)->Increment.QuadPart = (Inc) * 10000;      \
  18         (BP)->MaximumDelay = (MaxDelay) / (Inc);       \
  19         (BP)->CurrentIncrement = 0;                    \
  20     }                                                  \
  21 }
  22
  23 #endif