From: Aharon Landau <aharonl@xxxxxxxxxx> Add optional counter support when allocate and initialize hw_stats structure. Optional counters have IB_STAT_FLAG_OPTIONAL flag set and are disabled by default. Signed-off-by: Aharon Landau <aharonl@xxxxxxxxxx> Reviewed-by: Mark Zhang <markzhang@xxxxxxxxxx> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx> --- drivers/infiniband/hw/mlx5/counters.c | 90 ++++++++++++++++++++++----- drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 + 2 files changed, 75 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/counters.c b/drivers/infiniband/hw/mlx5/counters.c index d2208b3c5925..6aa54ee441db 100644 --- a/drivers/infiniband/hw/mlx5/counters.c +++ b/drivers/infiniband/hw/mlx5/counters.c @@ -75,6 +75,21 @@ static const struct mlx5_ib_counter ext_ppcnt_cnts[] = { INIT_EXT_PPCNT_COUNTER(rx_icrc_encapsulated), }; +#define INIT_OP_COUNTER(_name) \ + { .name = #_name } + +static const struct mlx5_ib_counter basic_op_cnts[] = { + INIT_OP_COUNTER(cc_rx_ce_pkts), +}; + +static const struct mlx5_ib_counter rdmarx_cnp_op_cnts[] = { + INIT_OP_COUNTER(cc_rx_cnp_pkts), +}; + +static const struct mlx5_ib_counter rdmatx_cnp_op_cnts[] = { + INIT_OP_COUNTER(cc_tx_cnp_pkts), +}; + static int mlx5_ib_read_counters(struct ib_counters *counters, struct ib_counters_read_attr *read_attr, struct uverbs_attr_bundle *attrs) @@ -161,17 +176,34 @@ u16 mlx5_ib_get_counters_id(struct mlx5_ib_dev *dev, u32 port_num) return cnts->set_id; } +static struct rdma_hw_stats *do_alloc_stats(const struct mlx5_ib_counters *cnts) +{ + struct rdma_hw_stats *stats; + u32 num_hw_counters; + int i; + + num_hw_counters = cnts->num_q_counters + cnts->num_cong_counters + + cnts->num_ext_ppcnt_counters; + stats = rdma_alloc_hw_stats_struct(cnts->descs, + num_hw_counters + + cnts->num_op_counters, + RDMA_HW_STATS_DEFAULT_LIFESPAN); + if (!stats) + return NULL; + + for (i = 0; i < cnts->num_op_counters; i++) + set_bit(num_hw_counters + i, stats->is_disabled); + + return stats; +} + static struct rdma_hw_stats * mlx5_ib_alloc_hw_device_stats(struct ib_device *ibdev) { struct mlx5_ib_dev *dev = to_mdev(ibdev); const struct mlx5_ib_counters *cnts = &dev->port[0].cnts; - return rdma_alloc_hw_stats_struct(cnts->descs, - cnts->num_q_counters + - cnts->num_cong_counters + - cnts->num_ext_ppcnt_counters, - RDMA_HW_STATS_DEFAULT_LIFESPAN); + return do_alloc_stats(cnts); } static struct rdma_hw_stats * @@ -180,11 +212,7 @@ mlx5_ib_alloc_hw_port_stats(struct ib_device *ibdev, u32 port_num) struct mlx5_ib_dev *dev = to_mdev(ibdev); const struct mlx5_ib_counters *cnts = &dev->port[port_num - 1].cnts; - return rdma_alloc_hw_stats_struct(cnts->descs, - cnts->num_q_counters + - cnts->num_cong_counters + - cnts->num_ext_ppcnt_counters, - RDMA_HW_STATS_DEFAULT_LIFESPAN); + return do_alloc_stats(cnts); } static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev, @@ -302,11 +330,7 @@ mlx5_ib_counter_alloc_stats(struct rdma_counter *counter) const struct mlx5_ib_counters *cnts = get_counters(dev, counter->port - 1); - return rdma_alloc_hw_stats_struct(cnts->descs, - cnts->num_q_counters + - cnts->num_cong_counters + - cnts->num_ext_ppcnt_counters, - RDMA_HW_STATS_DEFAULT_LIFESPAN); + return do_alloc_stats(cnts); } static int mlx5_ib_counter_update_stats(struct rdma_counter *counter) @@ -425,13 +449,34 @@ static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev, offsets[j] = ext_ppcnt_cnts[i].offset; } } + + for (i = 0; i < ARRAY_SIZE(basic_op_cnts); i++, j++) { + descs[j].name = basic_op_cnts[i].name; + descs[j].flags |= IB_STAT_FLAG_OPTIONAL; + } + + if (MLX5_CAP_FLOWTABLE(dev->mdev, + ft_field_support_2_nic_receive_rdma.bth_opcode)) { + for (i = 0; i < ARRAY_SIZE(rdmarx_cnp_op_cnts); i++, j++) { + descs[j].name = rdmarx_cnp_op_cnts[i].name; + descs[j].flags |= IB_STAT_FLAG_OPTIONAL; + } + } + + if (MLX5_CAP_FLOWTABLE(dev->mdev, + ft_field_support_2_nic_transmit_rdma.bth_opcode)) { + for (i = 0; i < ARRAY_SIZE(rdmatx_cnp_op_cnts); i++, j++) { + descs[j].name = rdmatx_cnp_op_cnts[i].name; + descs[j].flags |= IB_STAT_FLAG_OPTIONAL; + } + } } static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev, struct mlx5_ib_counters *cnts) { - u32 num_counters; + u32 num_counters, num_op_counters; num_counters = ARRAY_SIZE(basic_q_cnts); @@ -457,6 +502,19 @@ static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev, cnts->num_ext_ppcnt_counters = ARRAY_SIZE(ext_ppcnt_cnts); num_counters += ARRAY_SIZE(ext_ppcnt_cnts); } + + num_op_counters = ARRAY_SIZE(basic_op_cnts); + + if (MLX5_CAP_FLOWTABLE(dev->mdev, + ft_field_support_2_nic_receive_rdma.bth_opcode)) + num_op_counters += ARRAY_SIZE(rdmarx_cnp_op_cnts); + + if (MLX5_CAP_FLOWTABLE(dev->mdev, + ft_field_support_2_nic_transmit_rdma.bth_opcode)) + num_op_counters += ARRAY_SIZE(rdmatx_cnp_op_cnts); + + cnts->num_op_counters = num_op_counters; + num_counters += num_op_counters; cnts->descs = kcalloc(num_counters, sizeof(struct rdma_stat_desc), GFP_KERNEL); if (!cnts->descs) diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 6f5451d96dd7..8215d7ab579d 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -803,6 +803,7 @@ struct mlx5_ib_counters { u32 num_q_counters; u32 num_cong_counters; u32 num_ext_ppcnt_counters; + u32 num_op_counters; u16 set_id; }; -- 2.31.1