From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH net-next,v3 05/12] cls_flower: add statistics retrieval infrastructure and use it Date: Wed, 21 Nov 2018 03:51:25 +0100 Message-ID: <20181121025132.14305-6-pablo@netfilter.org> References: <20181121025132.14305-1-pablo@netfilter.org> Cc: davem@davemloft.net, thomas.lendacky@amd.com, f.fainelli@gmail.com, ariel.elior@cavium.com, michael.chan@broadcom.com, santosh@chelsio.com, madalin.bucur@nxp.com, yisen.zhuang@huawei.com, salil.mehta@huawei.com, jeffrey.t.kirsher@intel.com, tariqt@mellanox.com, saeedm@mellanox.com, jiri@mellanox.com, idosch@mellanox.com, jakub.kicinski@netronome.com, peppe.cavallaro@st.com, grygorii.strashko@ti.com, andrew@lunn.ch, vivien.didelot@savoirfairelinux.com, alexandre.torgue@st.com, joabreu@synopsys.com, linux-net-drivers@solarflare.com, ganeshgr@chelsio.com, ogerlitz@mellanox.com, Manish.Chopra@cavium.com To: netdev@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:47704 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725949AbeKUNYo (ORCPT ); Wed, 21 Nov 2018 08:24:44 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 5A930DA879 for ; Wed, 21 Nov 2018 03:52:17 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 36C01DA4C1 for ; Wed, 21 Nov 2018 03:52:17 +0100 (CET) In-Reply-To: <20181121025132.14305-1-pablo@netfilter.org> Sender: netdev-owner@vger.kernel.org List-ID: This patch provides the flow_stats structure that acts as container for tc_cls_flower_offload, then we can use to restore the statistics on the existing TC actions. Hence, tcf_exts_stats_update() is not used from drivers. Signed-off-by: Pablo Neira Ayuso --- v3: Suggested by Jiri Pirko: - Rename to struct flow_stats and to function flow_stats_update(). drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 4 ++-- drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 2 +- drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | 2 +- drivers/net/ethernet/netronome/nfp/flower/offload.c | 5 ++--- include/net/flow_offload.h | 14 ++++++++++++++ include/net/pkt_cls.h | 1 + net/sched/cls_flower.c | 4 ++++ 8 files changed, 28 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index b82143d6cdde..09cd75f54eba 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -1366,8 +1366,8 @@ static int bnxt_tc_get_flow_stats(struct bnxt *bp, lastused = flow->lastused; spin_unlock(&flow->stats_lock); - tcf_exts_stats_update(tc_flow_cmd->exts, stats.bytes, stats.packets, - lastused); + flow_stats_update(&tc_flow_cmd->stats, stats.bytes, stats.packets, + lastused); return 0; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index 39c5af5dad3d..8a2d66ee1d7b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -807,9 +807,9 @@ int cxgb4_tc_flower_stats(struct net_device *dev, if (ofld_stats->packet_count != packets) { if (ofld_stats->prev_packet_count != packets) ofld_stats->last_used = jiffies; - tcf_exts_stats_update(cls->exts, bytes - ofld_stats->byte_count, - packets - ofld_stats->packet_count, - ofld_stats->last_used); + flow_stats_update(&cls->stats, bytes - ofld_stats->byte_count, + packets - ofld_stats->packet_count, + ofld_stats->last_used); ofld_stats->packet_count = packets; ofld_stats->byte_count = bytes; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 2645e5d1e790..ad53214e0ee5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -3224,7 +3224,7 @@ int mlx5e_stats_flower(struct mlx5e_priv *priv, mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); - tcf_exts_stats_update(f->exts, bytes, packets, lastuse); + flow_stats_update(&f->stats, bytes, packets, lastuse); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index e6c4c672b1ca..60900e53243b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -460,7 +460,7 @@ int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp, if (err) goto err_rule_get_stats; - tcf_exts_stats_update(f->exts, bytes, packets, lastuse); + flow_stats_update(&f->stats, bytes, packets, lastuse); mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset); return 0; diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 708331234908..524b9ae1a639 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -532,9 +532,8 @@ nfp_flower_get_stats(struct nfp_app *app, struct net_device *netdev, ctx_id = be32_to_cpu(nfp_flow->meta.host_ctx_id); spin_lock_bh(&priv->stats_lock); - tcf_exts_stats_update(flow->exts, priv->stats[ctx_id].bytes, - priv->stats[ctx_id].pkts, - priv->stats[ctx_id].used); + flow_stats_update(&flow->stats, priv->stats[ctx_id].bytes, + priv->stats[ctx_id].pkts, priv->stats[ctx_id].used); priv->stats[ctx_id].pkts = 0; priv->stats[ctx_id].bytes = 0; diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 48aa47ba5561..8c1235fb6ed2 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -179,4 +179,18 @@ static inline bool flow_rule_match_key(const struct flow_rule *rule, return dissector_uses_key(rule->match.dissector, key); } +struct flow_stats { + u64 pkts; + u64 bytes; + u64 lastused; +}; + +static inline void flow_stats_update(struct flow_stats *flow_stats, + u64 pkts, u64 bytes, u64 lastused) +{ + flow_stats->pkts = pkts; + flow_stats->bytes = bytes; + flow_stats->lastused = lastused; +} + #endif /* _NET_FLOW_OFFLOAD_H */ diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index abb035f84321..a08c06e383db 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -767,6 +767,7 @@ struct tc_cls_flower_offload { enum tc_fl_command command; unsigned long cookie; struct flow_rule *rule; + struct flow_stats stats; struct tcf_exts *exts; u32 classid; }; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 8898943b8ee6..b88cf29aff7b 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -432,6 +432,10 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f) tc_setup_cb_call(block, &f->exts, TC_SETUP_CLSFLOWER, &cls_flower, false); + + tcf_exts_stats_update(&f->exts, cls_flower.stats.bytes, + cls_flower.stats.pkts, + cls_flower.stats.lastused); } static bool __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f, -- 2.11.0