diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index c33beac..8172cc9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -41,6 +41,28 @@ #include "spectrum.h" #include "reg.h" +enum mlxsw_sp_qdisc_type { + MLXSW_SP_QDISC_NO_QDISC, + MLXSW_SP_QDISC_RED, +}; + +struct mlxsw_sp_qdisc { + u32 handle; + enum mlxsw_sp_qdisc_type type; + struct red_stats xstats_base; + union { + struct { + u64 tail_drop_base; + u64 ecn_base; + u64 wred_drop_base; + } red; + } xstats; + u64 tx_bytes; + u64 tx_packets; + u64 drops; + u64 overlimits; +}; + static int mlxsw_sp_tclass_congestion_enable(struct mlxsw_sp_port *mlxsw_sp_port, int tclass_num, u32 min, u32 max, @@ -251,7 +273,7 @@ int mlxsw_sp_setup_tc_red(struct mlxsw_sp_port *mlxsw_sp_port, if (p->parent != TC_H_ROOT) return -EOPNOTSUPP; - mlxsw_sp_qdisc = &mlxsw_sp_port->root_qdisc; + mlxsw_sp_qdisc = mlxsw_sp_port->root_qdisc; tclass_num = MLXSW_SP_PORT_DEFAULT_TCLASS; switch (p->command) { @@ -274,3 +296,18 @@ int mlxsw_sp_setup_tc_red(struct mlxsw_sp_port *mlxsw_sp_port, return -EOPNOTSUPP; } } + +int mlxsw_sp_tc_qdisc_init(struct mlxsw_sp_port *mlxsw_sp_port) +{ + mlxsw_sp_port->root_qdisc = kzalloc(sizeof(*mlxsw_sp_port->root_qdisc), + GFP_KERNEL); + if (!mlxsw_sp_port->root_qdisc) + return -ENOMEM; + + return 0; +} + +void mlxsw_sp_tc_qdisc_fini(struct mlxsw_sp_port *mlxsw_sp_port) +{ + kfree(mlxsw_sp_port->root_qdisc); +} |
