From patchwork Sun Jan 17 08:02:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 365398 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D86A5C433E0 for ; Sun, 17 Jan 2021 08:08:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 801E3225AC for ; Sun, 17 Jan 2021 08:08:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726412AbhAQIHd (ORCPT ); Sun, 17 Jan 2021 03:07:33 -0500 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:39291 "EHLO wout1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726906AbhAQIEA (ORCPT ); Sun, 17 Jan 2021 03:04:00 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id E4A2F180B; Sun, 17 Jan 2021 03:02:54 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sun, 17 Jan 2021 03:02:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=LHYPHz1XxlpyIaQ+mIz1GPadM/4v/UJewmr3IARsO0I=; b=qA/fLYg+ rrhey6tOQG2NTy4Ef9X6Q6Py/1htiFWQ+tvZMiNe3O/JUQxlKR27j8DaLuNDMp56 7XyoS2K4pyqG87vec5cY8Ub55HSeHaFgcj6cC7ptL+gj0Hj9DlALDsu5PNI6M99J wRbzgX2noOExaFUWSrVBYeep6K1ysPeiINZVBogLNU/zNyjNmro+I/dzqIcYPEbA oJ0hld++JU68ySeobgQqa3SRqG3TyFD4Ro3vIIF8sg2gJ0PzvvqITx6OiGgBq5o1 WafI1lnjf3p2NTVgo/DGCpfR/ceBdo3aWCoVX/MT8IYg4xqNYCElYotZmR0uiBin C/xfiHq3l3xRJw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrtdehgdduudefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepkfguohcuufgthhhimhhmvghluceoihguohhstghhsehiugho shgthhdrohhrgheqnecuggftrfgrthhtvghrnhepudetieevffffveelkeeljeffkefhke ehgfdtffethfelvdejgffghefgveejkefhnecukfhppeekgedrvddvledrudehfedrgeeg necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepihguoh hstghhsehiughoshgthhdrohhrgh X-ME-Proxy: Received: from shredder.mellanox.com (igld-84-229-153-44.inter.net.il [84.229.153.44]) by mail.messagingengine.com (Postfix) with ESMTPA id 6EFA024005C; Sun, 17 Jan 2021 03:02:52 -0500 (EST) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, petrm@nvidia.com, jiri@nvidia.com, amcohen@nvidia.com, mlxsw@nvidia.com, Ido Schimmel Subject: [PATCH net-next 2/5] mlxsw: spectrum_trap: Add ecn_mark trap Date: Sun, 17 Jan 2021 10:02:20 +0200 Message-Id: <20210117080223.2107288-3-idosch@idosch.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210117080223.2107288-1-idosch@idosch.org> References: <20210117080223.2107288-1-idosch@idosch.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Petr Machata Register with devlink a new buffer drop trap, ecn_mark. Since Spectrum-1 does not support the ecn_mark trap, do it only for Spectrum-2 and above. Reviewed-by: Jiri Pirko Signed-off-by: Petr Machata Signed-off-by: Ido Schimmel --- drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index 4ef12e3e021a..45cf6c027cac 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -51,6 +51,8 @@ enum { enum { /* Packet was early dropped. */ MLXSW_SP_MIRROR_REASON_INGRESS_WRED = 9, + /* Packet was ECN marked. */ + MLXSW_SP_MIRROR_REASON_EGRESS_ECN = 13, }; static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, @@ -1760,6 +1762,13 @@ mlxsw_sp2_trap_items_arr[] = { }, .is_source = true, }, + { + .trap = MLXSW_SP_TRAP_BUFFER_DROP(ECN_MARK), + .listeners_arr = { + MLXSW_SP_RXL_BUFFER_DISCARD(EGRESS_ECN), + }, + .is_source = true, + }, }; static int From patchwork Sun Jan 17 08:02:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 365397 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4638BC433E0 for ; Sun, 17 Jan 2021 08:12:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0053122B37 for ; Sun, 17 Jan 2021 08:12:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728195AbhAQILJ (ORCPT ); Sun, 17 Jan 2021 03:11:09 -0500 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:55609 "EHLO wout1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727446AbhAQIEJ (ORCPT ); Sun, 17 Jan 2021 03:04:09 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id 24D66184F; Sun, 17 Jan 2021 03:02:57 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sun, 17 Jan 2021 03:02:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=3j7YQYmv+FvER+g5YLecMnQdGfyDuvQuIvMmt+yoYmc=; b=TkkPB3Ey 02/K2cxyEy0Gex/ug0x8qKqkDxoEih4SFDNDy21TiaAR2f/E573ZE8Fjxn6Bau94 tp30WyESPQJ31JvJ39RkGpgbrsQMdXSl6Row5pPFawJJY6BVILICsNTyJU8ZPuQR lpMM44TiOwpWCvyWYkSipMjk0QYr93F6sCtbH1eLRRJbI+q+rk1GAs0hpPM+d8dS PlbqByUDUc6FBdQ68kFZPO4lYOeP2qThFosc2B6m2UKS4qXq87NcnSINff83pgYg 1KAc/AHGiN/EHq5DvDe8SHMyJ3eJSrIiod/7Ti6DFBxe3g7yiZ9AKVvq56SQtLGD 9zNw9bOyfNUqfQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrtdehgdduudefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepkfguohcuufgthhhimhhmvghluceoihguohhstghhsehiugho shgthhdrohhrgheqnecuggftrfgrthhtvghrnhepudetieevffffveelkeeljeffkefhke ehgfdtffethfelvdejgffghefgveejkefhnecukfhppeekgedrvddvledrudehfedrgeeg necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepihguoh hstghhsehiughoshgthhdrohhrgh X-ME-Proxy: Received: from shredder.mellanox.com (igld-84-229-153-44.inter.net.il [84.229.153.44]) by mail.messagingengine.com (Postfix) with ESMTPA id C5BA5240057; Sun, 17 Jan 2021 03:02:54 -0500 (EST) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, petrm@nvidia.com, jiri@nvidia.com, amcohen@nvidia.com, mlxsw@nvidia.com, Ido Schimmel Subject: [PATCH net-next 3/5] mlxsw: spectrum_qdisc: Offload RED qevent mark Date: Sun, 17 Jan 2021 10:02:21 +0200 Message-Id: <20210117080223.2107288-4-idosch@idosch.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210117080223.2107288-1-idosch@idosch.org> References: <20210117080223.2107288-1-idosch@idosch.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Petr Machata The RED "mark" qevent can be offloaded under the same exact conditions as the RED "tail_drop" qevent. Therefore recognize its binding type in the TC_SETUP_BLOCK handler and translate to the right SPAN trigger. The corresponding hardware trigger, MLXSW_SP_SPAN_TRIGGER_ECN, is considered "egress", unlike the previously-offloaded _EARLY_DROP. Add a helper to spectrum_span, mlxsw_sp_span_trigger_is_ingress(), to classify triggers to ingress and egress. Pass result of this instead of hardcoding true when calling mlxsw_sp_span_analyzed_port_get()/_put(). Signed-off-by: Petr Machata Reviewed-by: Jiri Pirko Signed-off-by: Ido Schimmel --- drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 2 ++ drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 2 ++ .../net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 14 +++++++++++--- .../net/ethernet/mellanox/mlxsw/spectrum_span.c | 16 ++++++++++++++++ .../net/ethernet/mellanox/mlxsw/spectrum_span.h | 1 + 5 files changed, 32 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 1650d9852b5b..e93b96837a44 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -992,6 +992,8 @@ static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port, return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, false); case FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP: return mlxsw_sp_setup_tc_block_qevent_early_drop(mlxsw_sp_port, f); + case FLOW_BLOCK_BINDER_TYPE_RED_MARK: + return mlxsw_sp_setup_tc_block_qevent_mark(mlxsw_sp_port, f); default: return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index a6956cfc9cb1..0e5fd6a73da1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -1109,6 +1109,8 @@ int mlxsw_sp_setup_tc_fifo(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_fifo_qopt_offload *p); int mlxsw_sp_setup_tc_block_qevent_early_drop(struct mlxsw_sp_port *mlxsw_sp_port, struct flow_block_offload *f); +int mlxsw_sp_setup_tc_block_qevent_mark(struct mlxsw_sp_port *mlxsw_sp_port, + struct flow_block_offload *f); /* spectrum_fid.c */ bool mlxsw_sp_fid_is_dummy(struct mlxsw_sp *mlxsw_sp, u16 fid_index); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index fd672c6c9133..5cd8854e6070 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -1327,6 +1327,7 @@ static int mlxsw_sp_qevent_span_configure(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_span_agent_parms *agent_parms, int *p_span_id) { + bool ingress = mlxsw_sp_span_trigger_is_ingress(qevent_binding->span_trigger); struct mlxsw_sp_port *mlxsw_sp_port = qevent_binding->mlxsw_sp_port; struct mlxsw_sp_span_trigger_parms trigger_parms = {}; int span_id; @@ -1336,7 +1337,7 @@ static int mlxsw_sp_qevent_span_configure(struct mlxsw_sp *mlxsw_sp, if (err) return err; - err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, true); + err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, ingress); if (err) goto err_analyzed_port_get; @@ -1358,7 +1359,7 @@ static int mlxsw_sp_qevent_span_configure(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_span_agent_unbind(mlxsw_sp, qevent_binding->span_trigger, mlxsw_sp_port, &trigger_parms); err_agent_bind: - mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, true); + mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, ingress); err_analyzed_port_get: mlxsw_sp_span_agent_put(mlxsw_sp, span_id); return err; @@ -1368,6 +1369,7 @@ static void mlxsw_sp_qevent_span_deconfigure(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_qevent_binding *qevent_binding, int span_id) { + bool ingress = mlxsw_sp_span_trigger_is_ingress(qevent_binding->span_trigger); struct mlxsw_sp_port *mlxsw_sp_port = qevent_binding->mlxsw_sp_port; struct mlxsw_sp_span_trigger_parms trigger_parms = { .span_id = span_id, @@ -1377,7 +1379,7 @@ static void mlxsw_sp_qevent_span_deconfigure(struct mlxsw_sp *mlxsw_sp, qevent_binding->tclass_num); mlxsw_sp_span_agent_unbind(mlxsw_sp, qevent_binding->span_trigger, mlxsw_sp_port, &trigger_parms); - mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, true); + mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, ingress); mlxsw_sp_span_agent_put(mlxsw_sp, span_id); } @@ -1828,6 +1830,12 @@ int mlxsw_sp_setup_tc_block_qevent_early_drop(struct mlxsw_sp_port *mlxsw_sp_por return mlxsw_sp_setup_tc_block_qevent(mlxsw_sp_port, f, MLXSW_SP_SPAN_TRIGGER_EARLY_DROP); } +int mlxsw_sp_setup_tc_block_qevent_mark(struct mlxsw_sp_port *mlxsw_sp_port, + struct flow_block_offload *f) +{ + return mlxsw_sp_setup_tc_block_qevent(mlxsw_sp_port, f, MLXSW_SP_SPAN_TRIGGER_ECN); +} + int mlxsw_sp_tc_qdisc_init(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp_qdisc_state *qdisc_state; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index c6c5826aba41..d44a93d69972 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -1631,6 +1631,22 @@ void mlxsw_sp_span_trigger_disable(struct mlxsw_sp_port *mlxsw_sp_port, return trigger_entry->ops->disable(trigger_entry, mlxsw_sp_port, tc); } +bool mlxsw_sp_span_trigger_is_ingress(enum mlxsw_sp_span_trigger trigger) +{ + switch (trigger) { + case MLXSW_SP_SPAN_TRIGGER_INGRESS: + case MLXSW_SP_SPAN_TRIGGER_EARLY_DROP: + case MLXSW_SP_SPAN_TRIGGER_TAIL_DROP: + return true; + case MLXSW_SP_SPAN_TRIGGER_EGRESS: + case MLXSW_SP_SPAN_TRIGGER_ECN: + return false; + } + + WARN_ON_ONCE(1); + return false; +} + static int mlxsw_sp1_span_init(struct mlxsw_sp *mlxsw_sp) { size_t arr_size = ARRAY_SIZE(mlxsw_sp1_span_entry_ops_arr); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h index d907718bc8c5..dbf54752d814 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h @@ -103,6 +103,7 @@ int mlxsw_sp_span_trigger_enable(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_sp_span_trigger trigger, u8 tc); void mlxsw_sp_span_trigger_disable(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_sp_span_trigger trigger, u8 tc); +bool mlxsw_sp_span_trigger_is_ingress(enum mlxsw_sp_span_trigger trigger); extern const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops; extern const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops; From patchwork Sun Jan 17 08:02:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 365399 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D1E7C433E0 for ; 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Sun, 17 Jan 2021 03:02:56 -0500 (EST) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, petrm@nvidia.com, jiri@nvidia.com, amcohen@nvidia.com, mlxsw@nvidia.com, Ido Schimmel Subject: [PATCH net-next 4/5] selftests: mlxsw: sch_red_core: Drop two unused variables Date: Sun, 17 Jan 2021 10:02:22 +0200 Message-Id: <20210117080223.2107288-5-idosch@idosch.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210117080223.2107288-1-idosch@idosch.org> References: <20210117080223.2107288-1-idosch@idosch.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Petr Machata These variables are cut'n'pasted from other functions in the file and not actually used. Signed-off-by: Petr Machata Signed-off-by: Ido Schimmel --- tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh index b0cb1aaffdda..d439ee0eaa8a 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh @@ -551,10 +551,8 @@ do_drop_test() local trigger=$1; shift local subtest=$1; shift local fetch_counter=$1; shift - local backlog local base local now - local pct RET=0