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mlxsw: spectrum: qdiscs: Make the clean stats function to be for RED only 

Improve readability by changing the clean stats function to handle only
RED. Qdiscs that will be offloaded in the future will have a clean stats
function of their own.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Nogah Frankel 2018-01-10 15:00:01 +01:00 committed by David S. Miller
parent 4d1a4b8473
commit c2ed6db765
1 changed files with 12 additions and 19 deletions
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31
drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
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@ -98,9 +98,9 @@ mlxsw_sp_tclass_congestion_disable(struct mlxsw_sp_port *mlxsw_sp_port,
}
static void
mlxsw_sp_setup_tc_qdisc_clean_stats(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc,
int tclass_num)
mlxsw_sp_setup_tc_qdisc_red_clean_stats(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_qdisc *mlxsw_sp_qdisc,
int tclass_num)
{
struct mlxsw_sp_qdisc_stats *stats_base;
struct mlxsw_sp_port_xstats *xstats;
@ -110,24 +110,17 @@ mlxsw_sp_setup_tc_qdisc_clean_stats(struct mlxsw_sp_port *mlxsw_sp_port,
xstats = &mlxsw_sp_port->periodic_hw_stats.xstats;
stats = &mlxsw_sp_port->periodic_hw_stats.stats;
stats_base = &mlxsw_sp_qdisc->stats_base;
red_base = &mlxsw_sp_qdisc->xstats_base.red;
stats_base->tx_packets = stats->tx_packets;
stats_base->tx_bytes = stats->tx_bytes;
switch (mlxsw_sp_qdisc->type) {
case MLXSW_SP_QDISC_RED:
red_base = &mlxsw_sp_qdisc->xstats_base.red;
red_base->prob_mark = xstats->ecn;
red_base->prob_drop = xstats->wred_drop[tclass_num];
red_base->pdrop = xstats->tail_drop[tclass_num];
red_base->prob_mark = xstats->ecn;
red_base->prob_drop = xstats->wred_drop[tclass_num];
red_base->pdrop = xstats->tail_drop[tclass_num];
stats_base->overlimits = red_base->prob_drop +
red_base->prob_mark;
stats_base->drops = red_base->prob_drop + red_base->pdrop;
break;
default:
break;
}
stats_base->overlimits = red_base->prob_drop + red_base->prob_mark;
stats_base->drops = red_base->prob_drop + red_base->pdrop;
}
static int
@ -189,9 +182,9 @@ mlxsw_sp_qdisc_red_replace(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle,
mlxsw_sp_qdisc->type = MLXSW_SP_QDISC_RED;
if (mlxsw_sp_qdisc->handle != handle)
mlxsw_sp_setup_tc_qdisc_clean_stats(mlxsw_sp_port,
mlxsw_sp_qdisc,
tclass_num);
mlxsw_sp_setup_tc_qdisc_red_clean_stats(mlxsw_sp_port,
mlxsw_sp_qdisc,
tclass_num);
mlxsw_sp_qdisc->handle = handle;
return 0;