From 34a30d7635a8e37275a7b63bec09035ed762969b Mon Sep 17 00:00:00 2001 From: Mark Bloch Date: Tue, 1 Mar 2022 15:42:01 +0000 Subject: net/mlx5: Lag, expose number of lag ports Downstream patches will add support for hardware lag with more than 2 ports. Add a way for users to query the number of lag ports. Signed-off-by: Mark Bloch Reviewed-by: Maor Gottlieb Signed-off-by: Saeed Mahameed --- drivers/infiniband/hw/mlx5/gsi.c | 2 +- drivers/infiniband/hw/mlx5/main.c | 1 + drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 + drivers/infiniband/hw/mlx5/qp.c | 2 +- 4 files changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c index 3ad8f637c589..b804f2dd5628 100644 --- a/drivers/infiniband/hw/mlx5/gsi.c +++ b/drivers/infiniband/hw/mlx5/gsi.c @@ -100,7 +100,7 @@ int mlx5_ib_create_gsi(struct ib_pd *pd, struct mlx5_ib_qp *mqp, port_type) == MLX5_CAP_PORT_TYPE_IB) num_qps = pd->device->attrs.max_pkeys; else if (dev->lag_active) - num_qps = MLX5_MAX_PORTS; + num_qps = dev->lag_ports; } gsi = &mqp->gsi; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 61aa196d6484..61a3b767262f 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2991,6 +2991,7 @@ static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev) } dev->flow_db->lag_demux_ft = ft; + dev->lag_ports = mlx5_lag_get_num_ports(mdev); dev->lag_active = true; return 0; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 4f04bb55c4c6..8b3c83c0b70a 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1131,6 +1131,7 @@ struct mlx5_ib_dev { struct xarray sig_mrs; struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; u16 pkey_table_len; + u8 lag_ports; }; static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 3f467557d34e..fb8669c02546 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3907,7 +3907,7 @@ static unsigned int get_tx_affinity_rr(struct mlx5_ib_dev *dev, tx_port_affinity = &dev->port[port_num].roce.tx_port_affinity; return (unsigned int)atomic_add_return(1, tx_port_affinity) % - MLX5_MAX_PORTS + 1; + (dev->lag_active ? dev->lag_ports : MLX5_CAP_GEN(dev->mdev, num_lag_ports)) + 1; } static bool qp_supports_affinity(struct mlx5_ib_qp *qp) -- cgit v1.2.3-59-g8ed1b