From patchwork Thu Mar 11 12:24:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 12131125 X-Patchwork-Delegate: kuba@kernel.org 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,URIBL_BLOCKED,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 BE9DEC4332B for ; Thu, 11 Mar 2021 12:25:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4349164FFE for ; Thu, 11 Mar 2021 12:25:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233161AbhCKMZT (ORCPT ); Thu, 11 Mar 2021 07:25:19 -0500 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:42601 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232894AbhCKMZM (ORCPT ); Thu, 11 Mar 2021 07:25:12 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id B03995C008B; Thu, 11 Mar 2021 07:25:11 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Thu, 11 Mar 2021 07:25:11 -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= fm2; bh=jpRulsbNpf0NmRTzlHinhyeQRdoXFjHo2jPhzlYL+fc=; b=PuOcexFD LiIPGT9D8vGjQgOlrGUC3nmxvYWJI7T95zQG4QmgVPTmTNQ4WM14dQNSSYAWO5ER 3BeJi1Pj2kpc+V2gCVNSQC9ihB6y/YvAnfZ8tfhKyxJqNqofKKEn2TwiBk8VKyvI jMPNkg5rjgIMvMD+FOSzClhVcr562bbl7hLVItW3B2GtWVKwWR0TPdwOoiGxk91V 0aa9d5X4rU9YcNLFQwhtFJqqvM5Qt8eTCifd3pwC5gI3PKAi9vxWN4bwHvGPXbMl NR0qJS95dXoG/Ri+0bAed0i1WH4oLYLZrydQmD1iviKWvZxRwXpuEnj4M8hRKqEL clRK5KV9vP6EhQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledruddvtddggedtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepkfguohcuufgthhhimhhmvghluceoihguohhstghhsehiugho shgthhdrohhrgheqnecuggftrfgrthhtvghrnhepudetieevffffveelkeeljeffkefhke ehgfdtffethfelvdejgffghefgveejkefhnecukfhppeekgedrvddvledrudehfedrgeeg necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepihguoh hstghhsehiughoshgthhdrohhrgh X-ME-Proxy: Received: from shredder.lan (igld-84-229-153-44.inter.net.il [84.229.153.44]) by mail.messagingengine.com (Postfix) with ESMTPA id 5DE0B108005C; Thu, 11 Mar 2021 07:25:10 -0500 (EST) From: Ido Schimmel To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, jiri@nvidia.com, mlxsw@nvidia.com, Ido Schimmel Subject: [PATCH net-next 4/6] mlxsw: spectrum_matchall: Split sampling support between ASICs Date: Thu, 11 Mar 2021 14:24:14 +0200 Message-Id: <20210311122416.2620300-5-idosch@idosch.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210311122416.2620300-1-idosch@idosch.org> References: <20210311122416.2620300-1-idosch@idosch.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Ido Schimmel Sampling of ingress packets is supported using a dedicated sampling mechanism on all Spectrum ASICs. However, Spectrum-2 and later ASICs support more sophisticated sampling by mirroring packets to the CPU. As a preparation for more advanced sampling configurations, split the sampling operations between Spectrum-1 and later ASICs. Signed-off-by: Ido Schimmel Reviewed-by: Jiri Pirko --- .../net/ethernet/mellanox/mlxsw/spectrum.c | 3 ++ .../net/ethernet/mellanox/mlxsw/spectrum.h | 11 +++++++ .../mellanox/mlxsw/spectrum_matchall.c | 32 +++++++++++++++++-- 3 files changed, 43 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index dbf95e52b341..93b15b8c007e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2804,6 +2804,7 @@ static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core, mlxsw_sp->span_ops = &mlxsw_sp1_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp1_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp1_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp1_mall_ops; mlxsw_sp->listeners = mlxsw_sp1_listener; mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener); mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1; @@ -2833,6 +2834,7 @@ static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core, mlxsw_sp->span_ops = &mlxsw_sp2_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); @@ -2860,6 +2862,7 @@ static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core, mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; + mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index d9d9e1f488f9..1ec9a3c48a42 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -179,6 +179,7 @@ struct mlxsw_sp { const struct mlxsw_sp_span_ops *span_ops; const struct mlxsw_sp_policer_core_ops *policer_core_ops; const struct mlxsw_sp_trap_ops *trap_ops; + const struct mlxsw_sp_mall_ops *mall_ops; const struct mlxsw_listener *listeners; size_t listeners_count; u32 lowest_shaper_bs; @@ -1033,6 +1034,16 @@ extern const struct mlxsw_afk_ops mlxsw_sp1_afk_ops; extern const struct mlxsw_afk_ops mlxsw_sp2_afk_ops; /* spectrum_matchall.c */ +struct mlxsw_sp_mall_ops { + int (*sample_add)(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_port *mlxsw_sp_port, u32 rate); + void (*sample_del)(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_port *mlxsw_sp_port); +}; + +extern const struct mlxsw_sp_mall_ops mlxsw_sp1_mall_ops; +extern const struct mlxsw_sp_mall_ops mlxsw_sp2_mall_ops; + enum mlxsw_sp_mall_action_type { MLXSW_SP_MALL_ACTION_TYPE_MIRROR, MLXSW_SP_MALL_ACTION_TYPE_SAMPLE, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c index 2b7652b4b0bb..ad1209df81ea 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c @@ -96,6 +96,7 @@ static int mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_mall_entry *mall_entry) { + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; int err; if (rtnl_dereference(mlxsw_sp_port->sample)) { @@ -104,8 +105,8 @@ mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port, } rcu_assign_pointer(mlxsw_sp_port->sample, &mall_entry->sample); - err = mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, true, - mall_entry->sample.rate); + err = mlxsw_sp->mall_ops->sample_add(mlxsw_sp, mlxsw_sp_port, + mall_entry->sample.rate); if (err) goto err_port_sample_set; return 0; @@ -118,10 +119,12 @@ mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port, static void mlxsw_sp_mall_port_sample_del(struct mlxsw_sp_port *mlxsw_sp_port) { + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + if (!mlxsw_sp_port->sample) return; - mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, false, 1); + mlxsw_sp->mall_ops->sample_del(mlxsw_sp, mlxsw_sp_port); RCU_INIT_POINTER(mlxsw_sp_port->sample, NULL); } @@ -356,3 +359,26 @@ int mlxsw_sp_mall_prio_get(struct mlxsw_sp_flow_block *block, u32 chain_index, *p_max_prio = block->mall.max_prio; return 0; } + +static int mlxsw_sp1_mall_sample_add(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_port *mlxsw_sp_port, + u32 rate) +{ + return mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, true, rate); +} + +static void mlxsw_sp1_mall_sample_del(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_port *mlxsw_sp_port) +{ + mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, false, 1); +} + +const struct mlxsw_sp_mall_ops mlxsw_sp1_mall_ops = { + .sample_add = mlxsw_sp1_mall_sample_add, + .sample_del = mlxsw_sp1_mall_sample_del, +}; + +const struct mlxsw_sp_mall_ops mlxsw_sp2_mall_ops = { + .sample_add = mlxsw_sp1_mall_sample_add, + .sample_del = mlxsw_sp1_mall_sample_del, +};