diff options
Diffstat (limited to 'drivers/s390/cio/qdio.h')
-rw-r--r-- | drivers/s390/cio/qdio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index c1a7098..af86773 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -16,6 +16,14 @@ #define QDIO_BUSY_BIT_GIVE_UP 2000000 /* 2 seconds = eternity */ #define QDIO_INPUT_THRESHOLD 500 /* 500 microseconds */ +/* + * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait + * till next initiative to give transmitted skbs back to the stack is too long. + * Therefore polling is started in case of multicast queue is filled more + * than 50 percent. + */ +#define QDIO_IQDIO_POLL_LVL 65 /* HS multicast queue */ + enum qdio_irq_states { QDIO_IRQ_STATE_INACTIVE, QDIO_IRQ_STATE_ESTABLISHED, |