From 6d28725c4de8a69004b767a25a405ca955360c37 Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Mon, 22 Apr 2019 12:08:55 +0000 Subject: [PATCH] mlxsw: spectrum_buffers: Allow skipping ingress port quota configuration The CPU port is used to transmit traffic that is trapped to the host CPU. It is therefore irrelevant to define ingress quota for it. Add a 'skip_ingress' argument to the function tasked with configuring per-port quotas, so that ingress quotas could be skipped in case the passed local port is the CPU port. Signed-off-by: Ido Schimmel Reviewed-by: Petr Machata Acked-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index e324fad8b100..32a74cc3d6e4 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -730,15 +730,21 @@ static const struct mlxsw_sp_sb_pm mlxsw_sp2_sb_pms[] = { }; static int mlxsw_sp_sb_pms_init(struct mlxsw_sp *mlxsw_sp, u8 local_port, - const struct mlxsw_sp_sb_pm *pms) + const struct mlxsw_sp_sb_pm *pms, + bool skip_ingress) { int i, err; for (i = 0; i < mlxsw_sp->sb_vals->pool_count; i++) { const struct mlxsw_sp_sb_pm *pm = &pms[i]; + const struct mlxsw_sp_sb_pool_des *des; u32 max_buff; u32 min_buff; + des = &mlxsw_sp->sb_vals->pool_dess[i]; + if (skip_ingress && des->dir == MLXSW_REG_SBXX_DIR_INGRESS) + continue; + min_buff = mlxsw_sp_bytes_cells(mlxsw_sp, pm->min_buff); max_buff = pm->max_buff; if (mlxsw_sp_sb_pool_is_static(mlxsw_sp, i)) @@ -756,7 +762,7 @@ static int mlxsw_sp_port_sb_pms_init(struct mlxsw_sp_port *mlxsw_sp_port) struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; return mlxsw_sp_sb_pms_init(mlxsw_sp, mlxsw_sp_port->local_port, - mlxsw_sp->sb_vals->pms); + mlxsw_sp->sb_vals->pms, false); } #define MLXSW_SP_SB_MM(_min_buff, _max_buff) \ -- 2.11.0