From 4d1a4b8473a18babd6b29efdc12b93d7bbd2a097 Mon Sep 17 00:00:00 2001 From: Nogah Frankel Date: Wed, 10 Jan 2018 15:00:00 +0100 Subject: mlxsw: spectrum: qdiscs: Clean qdisc statistics structs Clean RED offloaded stats and make them more generic by breaking the generic qdisc stats to a struct of their own. 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_qdisc.c | 63 +++++++++++----------- 1 file changed, 32 insertions(+), 31 deletions(-) (limited to 'drivers/net/ethernet/mellanox/mlxsw') diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index 55e4e4d0dad3..0b6e553978b3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -49,18 +49,15 @@ enum mlxsw_sp_qdisc_type { 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; + struct red_stats red; + } xstats_base; + struct mlxsw_sp_qdisc_stats { + u64 tx_bytes; + u64 tx_packets; + u64 drops; + u64 overlimits; + } stats_base; }; static int @@ -105,26 +102,28 @@ mlxsw_sp_setup_tc_qdisc_clean_stats(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_qdisc *mlxsw_sp_qdisc, int tclass_num) { - struct red_stats *xstats_base = &mlxsw_sp_qdisc->xstats_base; + struct mlxsw_sp_qdisc_stats *stats_base; struct mlxsw_sp_port_xstats *xstats; struct rtnl_link_stats64 *stats; + struct red_stats *red_base; xstats = &mlxsw_sp_port->periodic_hw_stats.xstats; stats = &mlxsw_sp_port->periodic_hw_stats.stats; + stats_base = &mlxsw_sp_qdisc->stats_base; - mlxsw_sp_qdisc->tx_packets = stats->tx_packets; - mlxsw_sp_qdisc->tx_bytes = stats->tx_bytes; + stats_base->tx_packets = stats->tx_packets; + stats_base->tx_bytes = stats->tx_bytes; switch (mlxsw_sp_qdisc->type) { case MLXSW_SP_QDISC_RED: - xstats_base->prob_mark = xstats->ecn; - xstats_base->prob_drop = xstats->wred_drop[tclass_num]; - xstats_base->pdrop = xstats->tail_drop[tclass_num]; - - mlxsw_sp_qdisc->overlimits = xstats_base->prob_drop + - xstats_base->prob_mark; - mlxsw_sp_qdisc->drops = xstats_base->prob_drop + - xstats_base->pdrop; + 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]; + + stats_base->overlimits = red_base->prob_drop + + red_base->prob_mark; + stats_base->drops = red_base->prob_drop + red_base->pdrop; break; default: break; @@ -210,7 +209,7 @@ mlxsw_sp_qdisc_get_red_xstats(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle, struct mlxsw_sp_qdisc *mlxsw_sp_qdisc, int tclass_num, struct red_stats *res) { - struct red_stats *xstats_base = &mlxsw_sp_qdisc->xstats_base; + struct red_stats *xstats_base = &mlxsw_sp_qdisc->xstats_base.red; struct mlxsw_sp_port_xstats *xstats; int early_drops, marks, pdrops; @@ -241,6 +240,7 @@ mlxsw_sp_qdisc_get_red_stats(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle, struct tc_qopt_offload_stats *res) { u64 tx_bytes, tx_packets, overlimits, drops; + struct mlxsw_sp_qdisc_stats *stats_base; struct mlxsw_sp_port_xstats *xstats; struct rtnl_link_stats64 *stats; @@ -250,13 +250,14 @@ mlxsw_sp_qdisc_get_red_stats(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle, xstats = &mlxsw_sp_port->periodic_hw_stats.xstats; stats = &mlxsw_sp_port->periodic_hw_stats.stats; + stats_base = &mlxsw_sp_qdisc->stats_base; - tx_bytes = stats->tx_bytes - mlxsw_sp_qdisc->tx_bytes; - tx_packets = stats->tx_packets - mlxsw_sp_qdisc->tx_packets; + tx_bytes = stats->tx_bytes - stats_base->tx_bytes; + tx_packets = stats->tx_packets - stats_base->tx_packets; overlimits = xstats->wred_drop[tclass_num] + xstats->ecn - - mlxsw_sp_qdisc->overlimits; + stats_base->overlimits; drops = xstats->wred_drop[tclass_num] + xstats->tail_drop[tclass_num] - - mlxsw_sp_qdisc->drops; + stats_base->drops; _bstats_update(res->bstats, tx_bytes, tx_packets); res->qstats->overlimits += overlimits; @@ -264,10 +265,10 @@ mlxsw_sp_qdisc_get_red_stats(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle, res->qstats->backlog += mlxsw_sp_cells_bytes(mlxsw_sp_port->mlxsw_sp, xstats->backlog[tclass_num]); - mlxsw_sp_qdisc->drops += drops; - mlxsw_sp_qdisc->overlimits += overlimits; - mlxsw_sp_qdisc->tx_bytes += tx_bytes; - mlxsw_sp_qdisc->tx_packets += tx_packets; + stats_base->drops += drops; + stats_base->overlimits += overlimits; + stats_base->tx_bytes += tx_bytes; + stats_base->tx_packets += tx_packets; return 0; } -- cgit v1.2.1