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| author |   Mitesh Ahuja <mitesh.ahuja@emulex.com> | 2014-12-18 14:13:05 +0530 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2015-02-18 08:31:04 -0800 |
| commit | b4dbe8d52d08e5ed60c9d01efbcd7b8694cf4b9f (patch) | |
| tree | 0b76375dc4c59382a3b2126304f93bc24efe50d7 /drivers/infiniband/hw/ocrdma/ocrdma_main.c | |
| parent | RDMA/ocrdma: Honor return value of ocrdma_resolve_dmac (diff) | |
| download | linux-dev-b4dbe8d52d08e5ed60c9d01efbcd7b8694cf4b9f.tar.xz linux-dev-b4dbe8d52d08e5ed60c9d01efbcd7b8694cf4b9f.zip | |
RDMA/ocrdma: Add support for interrupt moderation
Add support for interrupt moderation for ocrdma device. Thresholds
for high interrupt rates are static values derived based on experimental
results.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_main.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 0083360d918e..7a2b59aca004 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -493,6 +493,9 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) spin_unlock(&ocrdma_devlist_lock); /* Init stats */ ocrdma_add_port_stats(dev); + /* Interrupt Moderation */ + INIT_DELAYED_WORK(&dev->eqd_work, ocrdma_eqd_set_task); + schedule_delayed_work(&dev->eqd_work, msecs_to_jiffies(1000)); pr_info("%s %s: %s \"%s\" port %d\n", dev_name(&dev->nic_info.pdev->dev), hca_name(dev), @@ -530,6 +533,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev) /* first unregister with stack to stop all the active traffic * of the registered clients. */ + cancel_delayed_work_sync(&dev->eqd_work); ocrdma_remove_sysfiles(dev); ib_unregister_device(&dev->ibdev); |