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authorParav Pandit <parav@mellanox.com>2019-07-23 10:31:16 +0300
committerDoug Ledford <dledford@redhat.com>2019-07-29 11:33:28 -0400
commit5dcecbc96755793e9417a9135b290d16639ec6aa (patch)
tree472230b29c12069be5ba4cc3e0db3353d38198cf /drivers
parent0058eb589881056b49a4ba15dfa3f1b8db53991c (diff)
downloadlinux-5dcecbc96755793e9417a9135b290d16639ec6aa.tar.bz2
IB/mlx5: Refactor code for counters allocation
To support per device counters in switchdev mode (instead of per port counter), refactor query routines to work on mlx5_ib_counter structure instead of mlx5_ib_port structure. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Link: https://lore.kernel.org/r/20190723073117.7175-2-leon@kernel.org Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c60
1 files changed, 29 insertions, 31 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 6cdd98ec9c1e..4cfb55ac0ed7 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -5466,21 +5466,21 @@ static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev,
u8 port_num)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
- struct mlx5_ib_port *port = &dev->port[port_num - 1];
+ const struct mlx5_ib_counters *cnts = &dev->port[port_num - 1].cnts;
/* We support only per port stats */
if (port_num == 0)
return NULL;
- return rdma_alloc_hw_stats_struct(port->cnts.names,
- port->cnts.num_q_counters +
- port->cnts.num_cong_counters +
- port->cnts.num_ext_ppcnt_counters,
+ return rdma_alloc_hw_stats_struct(cnts->names,
+ cnts->num_q_counters +
+ cnts->num_cong_counters +
+ cnts->num_ext_ppcnt_counters,
RDMA_HW_STATS_DEFAULT_LIFESPAN);
}
static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev,
- struct mlx5_ib_port *port,
+ const struct mlx5_ib_counters *cnts,
struct rdma_hw_stats *stats,
u16 set_id)
{
@@ -5497,8 +5497,8 @@ static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev,
if (ret)
goto free;
- for (i = 0; i < port->cnts.num_q_counters; i++) {
- val = *(__be32 *)(out + port->cnts.offsets[i]);
+ for (i = 0; i < cnts->num_q_counters; i++) {
+ val = *(__be32 *)(out + cnts->offsets[i]);
stats->value[i] = (u64)be32_to_cpu(val);
}
@@ -5508,10 +5508,10 @@ free:
}
static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev,
- struct mlx5_ib_port *port,
- struct rdma_hw_stats *stats)
+ const struct mlx5_ib_counters *cnts,
+ struct rdma_hw_stats *stats)
{
- int offset = port->cnts.num_q_counters + port->cnts.num_cong_counters;
+ int offset = cnts->num_q_counters + cnts->num_cong_counters;
int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
int ret, i;
void *out;
@@ -5524,12 +5524,10 @@ static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev,
if (ret)
goto free;
- for (i = 0; i < port->cnts.num_ext_ppcnt_counters; i++) {
+ for (i = 0; i < cnts->num_ext_ppcnt_counters; i++)
stats->value[i + offset] =
be64_to_cpup((__be64 *)(out +
- port->cnts.offsets[i + offset]));
- }
-
+ cnts->offsets[i + offset]));
free:
kvfree(out);
return ret;
@@ -5540,7 +5538,7 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
u8 port_num, int index)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
- struct mlx5_ib_port *port = &dev->port[port_num - 1];
+ struct mlx5_ib_counters *cnts = &dev->port[port_num - 1].cnts;
struct mlx5_core_dev *mdev;
int ret, num_counters;
u8 mdev_port_num;
@@ -5548,18 +5546,17 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
if (!stats)
return -EINVAL;
- num_counters = port->cnts.num_q_counters +
- port->cnts.num_cong_counters +
- port->cnts.num_ext_ppcnt_counters;
+ num_counters = cnts->num_q_counters +
+ cnts->num_cong_counters +
+ cnts->num_ext_ppcnt_counters;
/* q_counters are per IB device, query the master mdev */
- ret = mlx5_ib_query_q_counters(dev->mdev, port, stats,
- port->cnts.set_id);
+ ret = mlx5_ib_query_q_counters(dev->mdev, cnts, stats, cnts->set_id);
if (ret)
return ret;
if (MLX5_CAP_PCAM_FEATURE(dev->mdev, rx_icrc_encapsulated_counter)) {
- ret = mlx5_ib_query_ext_ppcnt_counters(dev, port, stats);
+ ret = mlx5_ib_query_ext_ppcnt_counters(dev, cnts, stats);
if (ret)
return ret;
}
@@ -5576,10 +5573,10 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
}
ret = mlx5_lag_query_cong_counters(dev->mdev,
stats->value +
- port->cnts.num_q_counters,
- port->cnts.num_cong_counters,
- port->cnts.offsets +
- port->cnts.num_q_counters);
+ cnts->num_q_counters,
+ cnts->num_cong_counters,
+ cnts->offsets +
+ cnts->num_q_counters);
mlx5_ib_put_native_port_mdev(dev, port_num);
if (ret)
@@ -5594,20 +5591,21 @@ static struct rdma_hw_stats *
mlx5_ib_counter_alloc_stats(struct rdma_counter *counter)
{
struct mlx5_ib_dev *dev = to_mdev(counter->device);
- struct mlx5_ib_port *port = &dev->port[counter->port - 1];
+ const struct mlx5_ib_counters *cnts =
+ &dev->port[counter->port - 1].cnts;
/* Q counters are in the beginning of all counters */
- return rdma_alloc_hw_stats_struct(port->cnts.names,
- port->cnts.num_q_counters,
+ return rdma_alloc_hw_stats_struct(cnts->names,
+ cnts->num_q_counters,
RDMA_HW_STATS_DEFAULT_LIFESPAN);
}
static int mlx5_ib_counter_update_stats(struct rdma_counter *counter)
{
struct mlx5_ib_dev *dev = to_mdev(counter->device);
- struct mlx5_ib_port *port = &dev->port[counter->port - 1];
+ struct mlx5_ib_counters *cnts = &dev->port[counter->port - 1].cnts;
- return mlx5_ib_query_q_counters(dev->mdev, port,
+ return mlx5_ib_query_q_counters(dev->mdev, cnts,
counter->stats, counter->id);
}