diff options
| author |   Eran Ben Elisha <eranbe@mellanox.com> | 2015-10-15 14:44:40 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-10-21 23:16:47 -0400 |
| commit | 3ba8e31d5a4343fa042c976a9ce9c3c16946c92d (patch) | |
| tree | 7dda8d7b6ad7e20701a4f49aa2d9cd25daacde1c /drivers/infiniband/hw/mlx4/mad.c | |
| parent | net/mlx4_en: Implement mcast loopback prevention for ETH qps (diff) | |
| download | linux-dev-3ba8e31d5a4343fa042c976a9ce9c3c16946c92d.tar.xz linux-dev-3ba8e31d5a4343fa042c976a9ce9c3c16946c92d.zip | |
IB/mlx4: Add IB counters table
This is an infrastructure step for allocating and attaching more than
one counter to QPs on the same port. Allocate a counters table and
manage the insertion and removals of the counters in load and unload of
mlx4 IB.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mad.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mad.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 1cd75ff02251..68f256716785 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -824,18 +824,29 @@ static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, { struct mlx4_counter counter_stats; struct mlx4_ib_dev *dev = to_mdev(ibdev); - int err; + struct counter_index *tmp_counter; + int err = IB_MAD_RESULT_FAILURE, stats_avail = 0; if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_PERF_MGMT) return -EINVAL; memset(&counter_stats, 0, sizeof(counter_stats)); - err = mlx4_get_counter_stats(dev->dev, - dev->counters[port_num - 1].index, - &counter_stats, 0); - if (err) - err = IB_MAD_RESULT_FAILURE; - else { + mutex_lock(&dev->counters_table[port_num - 1].mutex); + list_for_each_entry(tmp_counter, + &dev->counters_table[port_num - 1].counters_list, + list) { + err = mlx4_get_counter_stats(dev->dev, + tmp_counter->index, + &counter_stats, 0); + if (err) { + err = IB_MAD_RESULT_FAILURE; + stats_avail = 0; + break; + } + stats_avail = 1; + } + mutex_unlock(&dev->counters_table[port_num - 1].mutex); + if (stats_avail) { memset(out_mad->data, 0, sizeof out_mad->data); switch (counter_stats.counter_mode & 0xf) { case 0: |