From 371b437a325172fb009c1919a84d0af38f9b4fce Mon Sep 17 00:00:00 2001 From: Nogah Frankel Date: Wed, 10 Jan 2018 14:59:57 +0100 Subject: [PATCH] mlxsw: spectrum: qdiscs: Move qdisc's declarations to its designated file Move all the qdisc related data from the spectrum.h to spectrum_qdisc.c. Create an init and fini functions for the qdiscs. Signed-off-by: Nogah Frankel Reviewed-by: Yuval Mintz Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../net/ethernet/mellanox/mlxsw/spectrum.c | 10 +++++ .../net/ethernet/mellanox/mlxsw/spectrum.h | 27 ++----------- .../ethernet/mellanox/mlxsw/spectrum_qdisc.c | 39 ++++++++++++++++++- 3 files changed, 51 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index fedd231affd6..54c7d9202e81 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3085,6 +3085,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_fids_init; } + err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n", + mlxsw_sp_port->local_port); + goto err_port_qdiscs_init; + } + mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1); if (IS_ERR(mlxsw_sp_port_vlan)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n", @@ -3113,6 +3120,8 @@ err_register_netdev: mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan); err_port_vlan_get: + mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); +err_port_qdiscs_init: mlxsw_sp_port_fids_fini(mlxsw_sp_port); err_port_fids_init: mlxsw_sp_port_dcb_fini(mlxsw_sp_port); @@ -3148,6 +3157,7 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); mlxsw_sp_port_vlan_flush(mlxsw_sp_port); + mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); mlxsw_sp_port_fids_fini(mlxsw_sp_port); mlxsw_sp_port_dcb_fini(mlxsw_sp_port); mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 346b8b688b6f..b6f475e83474 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -204,29 +204,6 @@ struct mlxsw_sp_port_vlan { struct list_head bridge_vlan_node; }; -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; -}; - /* No need an internal lock; At worse - miss a single periodic iteration */ struct mlxsw_sp_port_xstats { u64 ecn; @@ -269,7 +246,7 @@ struct mlxsw_sp_port { } periodic_hw_stats; struct mlxsw_sp_port_sample *sample; struct list_head vlans_list; - struct mlxsw_sp_qdisc root_qdisc; + struct mlxsw_sp_qdisc *root_qdisc; unsigned acl_rule_count; }; @@ -584,6 +561,8 @@ int mlxsw_sp_flower_stats(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress, struct tc_cls_flower_offload *f); /* spectrum_qdisc.c */ +int mlxsw_sp_tc_qdisc_init(struct mlxsw_sp_port *mlxsw_sp_port); +void mlxsw_sp_tc_qdisc_fini(struct mlxsw_sp_port *mlxsw_sp_port); int mlxsw_sp_setup_tc_red(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_red_qopt_offload *p); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index c33beac5def0..8172cc902f12 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); +} -- 2.39.5