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authorIsmail, Mustafa <mustafa.ismail@intel.com>2016-04-18 17:33:03 +0200
committerDoug Ledford <dledford@redhat.com>2016-04-28 22:32:54 +0200
commitf69c3331624438321877083e27f5aa09eab3b863 (patch)
treea3cc3820d3c36e4600ad5feea77164711bcdadba /drivers/infiniband/hw/i40iw/i40iw_verbs.c
parentRDMA/i40iw: Remove unused code and fix warning (diff)
downloadlinux-f69c3331624438321877083e27f5aa09eab3b863.tar.xz
linux-f69c3331624438321877083e27f5aa09eab3b863.zip
RDMA/i40iw: Add virtual channel message queue
Queue users of virtual channel on a waitqueue until the channel is clear instead of failing the call when the channel is occupied. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_verbs.c')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_verbs.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
index 40444c0557e4..6359a3ebb05a 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -2148,7 +2148,6 @@ static int i40iw_get_protocol_stats(struct ib_device *ibdev,
struct i40iw_dev_hw_stats *hw_stats = &devstat->hw_stats;
struct timespec curr_time;
static struct timespec last_rd_time = {0, 0};
- enum i40iw_status_code status = 0;
unsigned long flags;
curr_time = current_kernel_time();
@@ -2161,11 +2160,8 @@ static int i40iw_get_protocol_stats(struct ib_device *ibdev,
spin_unlock_irqrestore(&devstat->stats_lock, flags);
} else {
if (((u64)curr_time.tv_sec - (u64)last_rd_time.tv_sec) > 1)
- status = i40iw_vchnl_vf_get_pe_stats(dev,
- &devstat->hw_stats);
-
- if (status)
- return -ENOSYS;
+ if (i40iw_vchnl_vf_get_pe_stats(dev, &devstat->hw_stats))
+ return -ENOSYS;
}
stats->iw.ipInReceives = hw_stats->stat_value_64[I40IW_HW_STAT_INDEX_IP4RXPKTS] +