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| author | David S. Miller <davem@davemloft.net> | 2008-10-11 23:39:35 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-10-11 23:39:35 +0400 |
| commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
| tree | 00b793965beeef10db03e0ff021d2d965c410759 /drivers/s390/cio/qdio.h | |
| parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
| parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
| download | linux-56c5d900dbb8e042bfad035d18433476931d8f93.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'drivers/s390/cio/qdio.h')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index c1a70985abfa..e3ea1d5f2810 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, @@ -195,6 +203,9 @@ struct qdio_output_q { /* PCIs are enabled for the queue */ int pci_out_enabled; + /* IQDIO: output multiple buffers (enhanced SIGA) */ + int use_enh_siga; + /* timer to check for more outbound work */ struct timer_list timer; }; |