From patchwork Thu Oct 1 10:52:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 267485 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 4244EC4727C for ; Thu, 1 Oct 2020 10:53:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 003B02085B for ; Thu, 1 Oct 2020 10:53:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="zBtgAxmA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732149AbgJAKxW (ORCPT ); Thu, 1 Oct 2020 06:53:22 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:43052 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731131AbgJAKxM (ORCPT ); Thu, 1 Oct 2020 06:53:12 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091Ar9Lr064209; Thu, 1 Oct 2020 05:53:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601549589; bh=zgrtzCIGRkZUluOTCMrRQjI65dX6+rZ7sdyXkY6/+MM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=zBtgAxmAJLf7Gl67FeznLPemuCtw1D2PpI6R6iblIX+UftzdR3AC0frm5d6zvrTL1 uotj11Y9/vn1IQHIJ9Pzb27Y39DC59KfN7t7mSuJHr9UUczgDeLEaM+fWjTebz04vk 4hbwbho7XtlyDpAmPoFPdnk3tJ13KC5UfvJ37I6I= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 091Ar9Y0074174 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Oct 2020 05:53:09 -0500 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:09 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:08 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091Ar7W6073934; Thu, 1 Oct 2020 05:53:08 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 1/8] net: ethernet: ti: am65-cpsw: move ale selection in pdata Date: Thu, 1 Oct 2020 13:52:51 +0300 Message-ID: <20201001105258.2139-2-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org In preparation of adding more multi-port K3 CPSW versions move ALE selection in am65_cpsw_pdata, so it can be selected basing on DT compatibility property. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 4 +++- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 501d676fd88b..0ee1c7a5c90f 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -2005,10 +2005,12 @@ static const struct soc_device_attribute am65_cpsw_socinfo[] = { static const struct am65_cpsw_pdata am65x_sr1_0 = { .quirks = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, + .ale_dev_id = "am65x-cpsw2g", }; static const struct am65_cpsw_pdata j721e_pdata = { .quirks = 0, + .ale_dev_id = "am65x-cpsw2g", }; static const struct of_device_id am65_cpsw_nuss_of_mtable[] = { @@ -2145,7 +2147,7 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) ale_params.ale_ageout = AM65_CPSW_ALE_AGEOUT_DEFAULT; ale_params.ale_ports = common->port_num + 1; ale_params.ale_regs = common->cpsw_base + AM65_CPSW_NU_ALE_BASE; - ale_params.dev_id = "am65x-cpsw2g"; + ale_params.dev_id = common->pdata.ale_dev_id; ale_params.bus_freq = common->bus_freq; common->ale = cpsw_ale_create(&ale_params); diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index 993e1d4d3222..9c2186b8eae9 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -77,6 +77,7 @@ struct am65_cpsw_rx_chn { struct am65_cpsw_pdata { u32 quirks; + const char *ale_dev_id; }; struct am65_cpsw_common { From patchwork Thu Oct 1 10:52:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 256481 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 F3099C4727C for ; Thu, 1 Oct 2020 10:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC3DB2137B for ; Thu, 1 Oct 2020 10:53:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="hrFww0B5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732143AbgJAKxV (ORCPT ); Thu, 1 Oct 2020 06:53:21 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:34032 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732140AbgJAKxU (ORCPT ); Thu, 1 Oct 2020 06:53:20 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091ArG63097906; Thu, 1 Oct 2020 05:53:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601549596; bh=sfVSy3wFshS7WUEetG2Lmid4ylQ0Anrwk4S6rC/wAkE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=hrFww0B5hnMjXFEextXiQDs9z3SBVRTARm0KnDZPxONyzronLBAda1I0a+0emezIG IDP/r+fYPZGtTJ5de4OrzsguTFaQxuYnCV+EclBgwuG+diKbUtBq37f1P6TU5npfal EXYGrS4XecjPFx9K7arbXwXxl+1ZmN1RKUNkTaVY= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 091ArGHZ130234 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Oct 2020 05:53:16 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:16 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:16 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArF4s129707; Thu, 1 Oct 2020 05:53:15 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 2/8] net: ethernet: ti: am65-cpsw: move free desc queue mode selection in pdata Date: Thu, 1 Oct 2020 13:52:52 +0300 Message-ID: <20201001105258.2139-3-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org In preparation of adding more multi-port K3 CPSW versions move free descriptor queue mode selection in am65_cpsw_pdata, so it can be selected basing on DT compatibility property. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 4 +++- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 0ee1c7a5c90f..6cea338df7ad 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1606,7 +1606,6 @@ static int am65_cpsw_nuss_init_rx_chns(struct am65_cpsw_common *common) }; struct k3_ring_cfg fdqring_cfg = { .elm_size = K3_RINGACC_RING_ELSIZE_8, - .mode = K3_RINGACC_RING_MODE_MESSAGE, .flags = K3_RINGACC_RING_SHARED, }; struct k3_udma_glue_rx_flow_cfg rx_flow_cfg = { @@ -1620,6 +1619,7 @@ static int am65_cpsw_nuss_init_rx_chns(struct am65_cpsw_common *common) rx_flow_cfg.ring_rxfdq0_id = fdqring_id; rx_flow_cfg.rx_cfg.size = max_desc_num; rx_flow_cfg.rxfdq_cfg.size = max_desc_num; + rx_flow_cfg.rxfdq_cfg.mode = common->pdata.fdqring_mode; ret = k3_udma_glue_rx_flow_init(rx_chn->rx_chn, i, &rx_flow_cfg); @@ -2006,11 +2006,13 @@ static const struct soc_device_attribute am65_cpsw_socinfo[] = { static const struct am65_cpsw_pdata am65x_sr1_0 = { .quirks = AM65_CPSW_QUIRK_I2027_NO_TX_CSUM, .ale_dev_id = "am65x-cpsw2g", + .fdqring_mode = K3_RINGACC_RING_MODE_MESSAGE, }; static const struct am65_cpsw_pdata j721e_pdata = { .quirks = 0, .ale_dev_id = "am65x-cpsw2g", + .fdqring_mode = K3_RINGACC_RING_MODE_MESSAGE, }; static const struct of_device_id am65_cpsw_nuss_of_mtable[] = { diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index 9c2186b8eae9..b6f228ddc3a0 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -11,6 +11,7 @@ #include #include #include +#include #include "am65-cpsw-qos.h" struct am65_cpts; @@ -77,6 +78,7 @@ struct am65_cpsw_rx_chn { struct am65_cpsw_pdata { u32 quirks; + enum k3_ring_mode fdqring_mode; const char *ale_dev_id; }; From patchwork Thu Oct 1 10:52:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 256480 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 5DF94C4727C for ; Thu, 1 Oct 2020 10:54:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AB452085B for ; Thu, 1 Oct 2020 10:54:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="LV04TV5D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732234AbgJAKxo (ORCPT ); Thu, 1 Oct 2020 06:53:44 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:43082 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732208AbgJAKx1 (ORCPT ); Thu, 1 Oct 2020 06:53:27 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091ArOvl064271; Thu, 1 Oct 2020 05:53:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601549604; bh=IcFQiQZum5hWGGwxpKSprsiXp3l5KT0+hNGM5dt8iro=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=LV04TV5DiqKDj0msgUmVitPm+kjFcpwnI0P7Q50OVBWVnW3XY0PlMgn4sJih2M3gw OHsKmmyGJYxal9iuH0guoDKRFD/5Im7Qk4OnQvuvs1356gdcn7l2KZxzKKoaGGxax4 uapbs5rL8uG73kSNhSl5OxJw9AlI+btG1+mAa+oA= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArOOf026235; Thu, 1 Oct 2020 05:53:24 -0500 Received: from DFLE103.ent.ti.com (10.64.6.24) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:23 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:23 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArM6W129850; Thu, 1 Oct 2020 05:53:23 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 3/8] net: ethernet: ti: am65-cpsw: use cppi5_desc_is_tdcm() Date: Thu, 1 Oct 2020 13:52:53 +0300 Message-ID: <20201001105258.2139-4-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Use cppi5_desc_is_tdcm() helper for teardown indicator detection instead of hard-coded value. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 6cea338df7ad..65c5446e324e 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -767,7 +767,7 @@ static int am65_cpsw_nuss_rx_packets(struct am65_cpsw_common *common, return ret; } - if (desc_dma & 0x1) { + if (cppi5_desc_is_tdcm(desc_dma)) { dev_dbg(dev, "%s RX tdown flow: %u\n", __func__, flow_idx); return 0; } @@ -935,7 +935,7 @@ static int am65_cpsw_nuss_tx_compl_packets(struct am65_cpsw_common *common, if (res == -ENODATA) break; - if (desc_dma & 0x1) { + if (cppi5_desc_is_tdcm(desc_dma)) { if (atomic_dec_and_test(&common->tdown_cnt)) complete(&common->tdown_complete); break; From patchwork Thu Oct 1 10:52:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 267483 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 A7A3FC4727C for ; Thu, 1 Oct 2020 10:54:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C3E020B1F for ; Thu, 1 Oct 2020 10:54:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="tg1vaO67" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732107AbgJAKxo (ORCPT ); Thu, 1 Oct 2020 06:53:44 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:43122 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731990AbgJAKxf (ORCPT ); Thu, 1 Oct 2020 06:53:35 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091ArVAF064297; Thu, 1 Oct 2020 05:53:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601549611; bh=UOsV4hFzLJcmVg5PO1oqNX4CoiVj9cQF3QnIMYWLfo4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=tg1vaO67/+SVG1jJ+Uc7wk6gn8YA15K1Q3TL3ElV3Aw6JFdyRBxtpCTOA+XODdw3c oOgNb0OSZqzdGfwzqKUaUVmBZsQhZeOH74W/e+wRaddp8R1CmZMG0SsXAupAEoiuAO FSuSXKTOOkGTYxBGVWM7XTKLAnrV1t8PpgIJUX5g= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 091ArVwl130407 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Oct 2020 05:53:31 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:31 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:31 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArTPY001454; Thu, 1 Oct 2020 05:53:30 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 4/8] net: ethernet: ti: cpsw_ale: add cpsw_ale_vlan_del_modify() Date: Thu, 1 Oct 2020 13:52:54 +0300 Message-ID: <20201001105258.2139-5-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Add/export cpsw_ale_vlan_del_modify() and use it in cpsw_switchdev instead of generic cpsw_ale_del_vlan() to avoid mixing 8021Q and switchdev VLAN offload. This is preparation patch equired by follow up changes. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/cpsw_ale.c | 24 +++++++++++++++++++++--- drivers/net/ethernet/ti/cpsw_ale.h | 1 + drivers/net/ethernet/ti/cpsw_switchdev.c | 2 +- 3 files changed, 23 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index a6a455c32628..b1cce39eda17 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -634,8 +634,8 @@ int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port_mask, int untag, return 0; } -static void cpsw_ale_del_vlan_modify(struct cpsw_ale *ale, u32 *ale_entry, - u16 vid, int port_mask) +static void cpsw_ale_vlan_del_modify_int(struct cpsw_ale *ale, u32 *ale_entry, + u16 vid, int port_mask) { int reg_mcast, unreg_mcast; int members, untag; @@ -644,6 +644,7 @@ static void cpsw_ale_del_vlan_modify(struct cpsw_ale *ale, u32 *ale_entry, ALE_ENT_VID_MEMBER_LIST); members &= ~port_mask; if (!members) { + cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0); cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE); return; } @@ -673,6 +674,23 @@ static void cpsw_ale_del_vlan_modify(struct cpsw_ale *ale, u32 *ale_entry, ALE_ENT_VID_MEMBER_LIST, members); } +int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask) +{ + u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; + int idx; + + idx = cpsw_ale_match_vlan(ale, vid); + if (idx < 0) + return -ENOENT; + + cpsw_ale_read(ale, idx, ale_entry); + + cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask); + cpsw_ale_write(ale, idx, ale_entry); + + return 0; +} + int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) { u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; @@ -685,7 +703,7 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) cpsw_ale_read(ale, idx, ale_entry); if (port_mask) { - cpsw_ale_del_vlan_modify(ale, ale_entry, vid, port_mask); + cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask); } else { cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0); cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE); diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index 5e4a69662c5f..13fe47687fde 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -134,6 +134,7 @@ static inline int cpsw_ale_get_vlan_p0_untag(struct cpsw_ale *ale, u16 vid) int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask, int untag_mask, int reg_mcast, int unreg_mcast); +int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask); void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask, bool add); diff --git a/drivers/net/ethernet/ti/cpsw_switchdev.c b/drivers/net/ethernet/ti/cpsw_switchdev.c index 985a929bb957..29747da5c514 100644 --- a/drivers/net/ethernet/ti/cpsw_switchdev.c +++ b/drivers/net/ethernet/ti/cpsw_switchdev.c @@ -227,7 +227,7 @@ static int cpsw_port_vlan_del(struct cpsw_priv *priv, u16 vid, else port_mask = BIT(priv->emac_port); - ret = cpsw_ale_del_vlan(cpsw->ale, vid, port_mask); + ret = cpsw_ale_vlan_del_modify(cpsw->ale, vid, port_mask); if (ret != 0) return ret; From patchwork Thu Oct 1 10:52:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 267484 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 B6077C47423 for ; Thu, 1 Oct 2020 10:54:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75AA22085B for ; 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Thu, 1 Oct 2020 05:53:33 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:33 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:33 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArWAY074318; Thu, 1 Oct 2020 05:53:32 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 5/8] net: ethernet: ti: am65-cpsw: fix vlan offload for multi mac mode Date: Thu, 1 Oct 2020 13:52:55 +0300 Message-ID: <20201001105258.2139-6-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org The VLAN offload for AM65x CPSW2G is implemented using existing ALE APIs, which are also used by legacy CPSW drivers. So, now it always adds current Ext. Port and Host as VLAN members when VLAN is added by 8021Q core (.ndo_vlan_rx_add_vid) and forcibly removes VLAN from ALE table in .ndo_vlan_rx_kill_vid(). This works as for AM65x CPSW2G (which has only one Ext. Port) as for legacy CPSW devices (which can't support same VLAN on more then one Port in multi mac (dual-mac) mode). But it doesn't work for the new J721E and AM64x multi port CPSWxG versions doesn't have such restrictions and allow to offload the same VLAN on any number of ports. Now the attempt to add same VLAN on two (or more) K3 CPSWxG Ports will cause: - VLAN members mask overwrite when VLAN is added - VLAN removal from ALE table when any Port removes VLAN This patch fixes an issue by: - switching to use cpsw_ale_vlan_add_modify() instead of cpsw_ale_add_vlan() when VLAN is added to ALE table, so VLAN members mask will not be overwritten; - Updates cpsw_ale_del_vlan() as: if more than one ext. Port is in VLAN member mask then remove only current port from VLAN member mask else remove VLAN ALE entry Example: add: P1 | P0 (Host) -> members mask: P1 | P0 add: P2 | P0 -> members mask: P2 | P1 | P0 rem: P1 | P0 -> members mask: P2 | P0 rem: P2 | P0 -> members mask: - The VLAN is forcibly removed if port_mask=0 passed to cpsw_ale_del_vlan() to preserve existing legacy CPSW drivers functionality. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 8 +++++--- drivers/net/ethernet/ti/cpsw_ale.c | 19 +++++++++++++++---- 2 files changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 65c5446e324e..fecaf6b8270f 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -241,8 +241,8 @@ static int am65_cpsw_nuss_ndo_slave_add_vid(struct net_device *ndev, if (!vid) unreg_mcast = port_mask; dev_info(common->dev, "Adding vlan %d to vlan filter\n", vid); - ret = cpsw_ale_add_vlan(common->ale, vid, port_mask, - unreg_mcast, port_mask, 0); + ret = cpsw_ale_vlan_add_modify(common->ale, vid, port_mask, + unreg_mcast, port_mask, 0); pm_runtime_put(common->dev); return ret; @@ -252,6 +252,7 @@ static int am65_cpsw_nuss_ndo_slave_kill_vid(struct net_device *ndev, __be16 proto, u16 vid) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); + struct am65_cpsw_port *port = am65_ndev_to_port(ndev); int ret; if (!netif_running(ndev) || !vid) @@ -264,7 +265,8 @@ static int am65_cpsw_nuss_ndo_slave_kill_vid(struct net_device *ndev, } dev_info(common->dev, "Removing vlan %d from vlan filter\n", vid); - ret = cpsw_ale_del_vlan(common->ale, vid, 0); + ret = cpsw_ale_del_vlan(common->ale, vid, + BIT(port->port_id) | ALE_PORT_HOST); pm_runtime_put(common->dev); return ret; diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index b1cce39eda17..cdc308a2aa3e 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -694,7 +694,7 @@ int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask) int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) { u32 ale_entry[ALE_ENTRY_WORDS] = {0, 0, 0}; - int idx; + int members, idx; idx = cpsw_ale_match_vlan(ale, vid); if (idx < 0) @@ -702,11 +702,22 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) cpsw_ale_read(ale, idx, ale_entry); - if (port_mask) { - cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask); - } else { + /* if !port_mask - force remove VLAN (legacy). + * Check if there are other VLAN members ports + * if no - remove VLAN. + * if yes it means same VLAN was added to >1 port in multi port mode, so + * remove port_mask ports from VLAN ALE entry excluding Host port. + */ + members = cpsw_ale_vlan_get_fld(ale, ale_entry, ALE_ENT_VID_MEMBER_LIST); + members &= ~port_mask; + + if (!port_mask || !members) { + /* last port or force remove - remove VLAN */ cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0); cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE); + } else { + port_mask &= ~ALE_PORT_HOST; + cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask); } cpsw_ale_write(ale, idx, ale_entry); From patchwork Thu Oct 1 10:52:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 256479 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 6657BC4727C for ; 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Thu, 1 Oct 2020 05:53:41 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:40 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:40 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091ArdwG072524; Thu, 1 Oct 2020 05:53:40 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 6/8] net: ethernet: ti: am65-cpsw: keep active if cpts enabled Date: Thu, 1 Oct 2020 13:52:56 +0300 Message-ID: <20201001105258.2139-7-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Some K3 CPSW NUSS instances can lose context after PM runtime ON->OFF->ON transition depending on integration (including all submodules: CPTS, MDIO, etc), like J721E Main CPSW (CPSW9G). In case CPTS is enabled it's initialized during probe and does not expect to be reset. Hence, keep K3 CPSW active by forbidding PM runtime if CPTS is enabled. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index fecaf6b8270f..0bc0eec46709 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1727,6 +1727,13 @@ static int am65_cpsw_init_cpts(struct am65_cpsw_common *common) return ret; } common->cpts = cpts; + /* Forbid PM runtime if CPTS is running. + * K3 CPSWxG modules may completely lose context during ON->OFF + * transitions depending on integration. + * AM65x/J721E MCU CPSW2G: false + * J721E MAIN_CPSW9G: true + */ + pm_runtime_forbid(dev); return 0; } From patchwork Thu Oct 1 10:52:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 256478 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 87D50C4727C for ; Thu, 1 Oct 2020 10:54:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4910F207DE for ; Thu, 1 Oct 2020 10:54:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="GhhuYG1n" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732310AbgJAKyX (ORCPT ); Thu, 1 Oct 2020 06:54:23 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:43152 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732208AbgJAKxw (ORCPT ); Thu, 1 Oct 2020 06:53:52 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 091Armxn064418; Thu, 1 Oct 2020 05:53:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1601549628; bh=66sEWHqmhRbEIhyJxu8AJIODHHgyXcivpbtsp1KEzuk=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=GhhuYG1njI6Mx8Ytt81IpgRgNB5dHdQfIRYt3peTACR39nR01IkTF24AVw13yUu8r ee1L/1xBqTr3j7p52fJNKXCtbjqH6jJ9zOY2/lkFvWhvcfZ/3PWgaI37GZUPkK4bDn tkEl94cVHywxS6BEbKj6NSPBmol8maTbXIaSZUyg= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 091Armjw130540 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 1 Oct 2020 05:53:48 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:48 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:47 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091Arkw7072576; Thu, 1 Oct 2020 05:53:47 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 7/8] net: ethernet: ti: am65-cpsw: prepare xmit/rx path for multi-port devices in mac-only mode Date: Thu, 1 Oct 2020 13:52:57 +0300 Message-ID: <20201001105258.2139-8-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org This patch adds multi-port support to TI AM65x CPSW driver xmit/rx path in preparation for adding support for multi-port devices, like Main CPSW0 on K3 J721E SoC or future CPSW3g on K3 AM64x SoC. Hence DMA channels are common/shared for all ext Ports and the RX/TX NAPI and DMA processing going to be assigned to first netdev this patch: - ensures all RX descriptors fields are initialized; - adds synchronization for TX DMA push/pop operation (locking) as Networking core is not enough any more; - updates TX bql processing for every packet in am65_cpsw_nuss_tx_compl_packets() as every completed TX skb can have different ndev assigned (come from different netdevs). Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 41 +++++++++++++----------- drivers/net/ethernet/ti/am65-cpsw-nuss.h | 1 + 2 files changed, 23 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 0bc0eec46709..a8094e8e49ca 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -375,7 +375,7 @@ static int am65_cpsw_nuss_rx_push(struct am65_cpsw_common *common, cppi5_hdesc_init(desc_rx, CPPI5_INFO0_HDESC_EPIB_PRESENT, AM65_CPSW_NAV_PS_DATA_SIZE); - cppi5_hdesc_attach_buf(desc_rx, 0, 0, buf_dma, skb_tailroom(skb)); + cppi5_hdesc_attach_buf(desc_rx, buf_dma, skb_tailroom(skb), buf_dma, skb_tailroom(skb)); swdata = cppi5_hdesc_get_swdata(desc_rx); *((void **)swdata) = skb; @@ -933,7 +933,9 @@ static int am65_cpsw_nuss_tx_compl_packets(struct am65_cpsw_common *common, struct am65_cpsw_ndev_priv *ndev_priv; struct am65_cpsw_ndev_stats *stats; + spin_lock(&tx_chn->lock); res = k3_udma_glue_pop_tx_chn(tx_chn->tx_chn, &desc_dma); + spin_unlock(&tx_chn->lock); if (res == -ENODATA) break; @@ -960,31 +962,29 @@ static int am65_cpsw_nuss_tx_compl_packets(struct am65_cpsw_common *common, stats->tx_bytes += skb->len; u64_stats_update_end(&stats->syncp); - total_bytes += skb->len; + total_bytes = skb->len; napi_consume_skb(skb, budget); num_tx++; - } - - if (!num_tx) - return 0; - netif_txq = netdev_get_tx_queue(ndev, chn); + netif_txq = netdev_get_tx_queue(ndev, chn); - netdev_tx_completed_queue(netif_txq, num_tx, total_bytes); + netdev_tx_completed_queue(netif_txq, num_tx, total_bytes); - if (netif_tx_queue_stopped(netif_txq)) { - /* Check whether the queue is stopped due to stalled tx dma, - * if the queue is stopped then wake the queue as - * we have free desc for tx - */ - __netif_tx_lock(netif_txq, smp_processor_id()); - if (netif_running(ndev) && - (k3_cppi_desc_pool_avail(tx_chn->desc_pool) >= - MAX_SKB_FRAGS)) - netif_tx_wake_queue(netif_txq); + if (netif_tx_queue_stopped(netif_txq)) { + /* Check whether the queue is stopped due to stalled + * tx dma, if the queue is stopped then wake the queue + * as we have free desc for tx + */ + __netif_tx_lock(netif_txq, smp_processor_id()); + if (netif_running(ndev) && + (k3_cppi_desc_pool_avail(tx_chn->desc_pool) >= + MAX_SKB_FRAGS)) + netif_tx_wake_queue(netif_txq); - __netif_tx_unlock(netif_txq); + __netif_tx_unlock(netif_txq); + } } + dev_dbg(dev, "%s:%u pkt:%d\n", __func__, chn, num_tx); return num_tx; @@ -1141,7 +1141,9 @@ static netdev_tx_t am65_cpsw_nuss_ndo_slave_xmit(struct sk_buff *skb, cppi5_hdesc_set_pktlen(first_desc, pkt_len); desc_dma = k3_cppi_desc_pool_virt2dma(tx_chn->desc_pool, first_desc); + spin_lock_bh(&tx_chn->lock); ret = k3_udma_glue_push_tx_chn(tx_chn->tx_chn, first_desc, desc_dma); + spin_unlock_bh(&tx_chn->lock); if (ret) { dev_err(dev, "can't push desc %d\n", ret); /* inform bql */ @@ -1498,6 +1500,7 @@ static int am65_cpsw_nuss_init_tx_chns(struct am65_cpsw_common *common) snprintf(tx_chn->tx_chn_name, sizeof(tx_chn->tx_chn_name), "tx%d", i); + spin_lock_init(&tx_chn->lock); tx_chn->common = common; tx_chn->id = i; tx_chn->descs_num = max_desc_num; diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index b6f228ddc3a0..8e0dc5728253 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -60,6 +60,7 @@ struct am65_cpsw_tx_chn { struct am65_cpsw_common *common; struct k3_cppi_desc_pool *desc_pool; struct k3_udma_glue_tx_channel *tx_chn; + spinlock_t lock; /* protect TX rings in multi-port mode */ int irq; u32 id; u32 descs_num; From patchwork Thu Oct 1 10:52:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 267482 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 31B10C4727C for ; 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Thu, 1 Oct 2020 05:53:55 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 1 Oct 2020 05:53:55 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 1 Oct 2020 05:53:55 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 091Arri0074487; Thu, 1 Oct 2020 05:53:54 -0500 From: Grygorii Strashko To: "David S. Miller" , , Jakub Kicinski , Vignesh Raghavendra CC: Sekhar Nori , , , Murali Karicheri , Grygorii Strashko Subject: [PATCH net-next 8/8] net: ethernet: ti: am65-cpsw: add multi port support in mac-only mode Date: Thu, 1 Oct 2020 13:52:58 +0300 Message-ID: <20201001105258.2139-9-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001105258.2139-1-grygorii.strashko@ti.com> References: <20201001105258.2139-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org This patch adds final multi-port support to TI AM65x CPSW driver in preparation for adding support for multi-port devices, like Main CPSW0 on K3 J721E SoC or future CPSW3g on K3 AM64x SoC. - the separate netdev is created for every enabled external Port; - DMA channels are common/shared for all external Ports and the RX/TX NAPI and DMA processing assigned to first netdev; - external Ports are configured in mac-only mode, which is similar to TI "dual-mac" mode for legacy TI CPSW - packets are sent to the Host port only in ingress and directly to the Port on egress. No packet switching between external ports happens. - every port supports the same features as current AM65x CPSW on external device. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 111 ++++++++++++++--------- 1 file changed, 70 insertions(+), 41 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index a8094e8e49ca..1658c4f305b5 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -272,8 +272,8 @@ static int am65_cpsw_nuss_ndo_slave_kill_vid(struct net_device *ndev, return ret; } -static void am65_cpsw_slave_set_promisc_2g(struct am65_cpsw_port *port, - bool promisc) +static void am65_cpsw_slave_set_promisc(struct am65_cpsw_port *port, + bool promisc) { struct am65_cpsw_common *common = port->common; @@ -298,7 +298,7 @@ static void am65_cpsw_nuss_ndo_slave_set_rx_mode(struct net_device *ndev) bool promisc; promisc = !!(ndev->flags & IFF_PROMISC); - am65_cpsw_slave_set_promisc_2g(port, promisc); + am65_cpsw_slave_set_promisc(port, promisc); if (promisc) return; @@ -631,13 +631,13 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) am65_cpsw_port_set_sl_mac(port, ndev->dev_addr); - if (port->slave.mac_only) + if (port->slave.mac_only) { /* enable mac-only mode on port */ cpsw_ale_control_set(common->ale, port->port_id, ALE_PORT_MACONLY, 1); - if (AM65_CPSW_IS_CPSW2G(common)) cpsw_ale_control_set(common->ale, port->port_id, ALE_PORT_NOLEARN, 1); + } port_mask = BIT(port->port_id) | ALE_PORT_HOST; cpsw_ale_add_ucast(common->ale, ndev->dev_addr, @@ -1398,7 +1398,7 @@ static int am65_cpsw_nuss_ndo_slave_set_features(struct net_device *ndev, return 0; } -static const struct net_device_ops am65_cpsw_nuss_netdev_ops_2g = { +static const struct net_device_ops am65_cpsw_nuss_netdev_ops = { .ndo_open = am65_cpsw_nuss_ndo_slave_open, .ndo_stop = am65_cpsw_nuss_ndo_slave_stop, .ndo_start_xmit = am65_cpsw_nuss_ndo_slave_xmit, @@ -1855,14 +1855,18 @@ static void am65_cpsw_pcpu_stats_free(void *data) free_percpu(stats); } -static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) +static int +am65_cpsw_nuss_init_port_ndev(struct am65_cpsw_common *common, u32 port_idx) { struct am65_cpsw_ndev_priv *ndev_priv; struct device *dev = common->dev; struct am65_cpsw_port *port; int ret; - port = am65_common_get_port(common, 1); + port = &common->ports[port_idx]; + + if (port->disabled) + return 0; /* alloc netdev */ port->ndev = devm_alloc_etherdev_mqs(common->dev, @@ -1891,7 +1895,7 @@ static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) port->ndev->features = port->ndev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER; port->ndev->vlan_features |= NETIF_F_SG; - port->ndev->netdev_ops = &am65_cpsw_nuss_netdev_ops_2g; + port->ndev->netdev_ops = &am65_cpsw_nuss_netdev_ops; port->ndev->ethtool_ops = &am65_cpsw_ethtool_ops_slave; /* Disable TX checksum offload by default due to HW bug */ @@ -1904,18 +1908,33 @@ static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) ret = devm_add_action_or_reset(dev, am65_cpsw_pcpu_stats_free, ndev_priv->stats); - if (ret) { - dev_err(dev, "Failed to add percpu stat free action %d\n", ret); - return ret; + if (ret) + dev_err(dev, "failed to add percpu stat free action %d\n", ret); + + return ret; +} + +static int am65_cpsw_nuss_init_ndevs(struct am65_cpsw_common *common) +{ + struct am65_cpsw_port *port; + int ret; + int i; + + for (i = 0; i < common->port_num; i++) { + ret = am65_cpsw_nuss_init_port_ndev(common, i); + if (ret) + return ret; } + port = am65_common_get_port(common, 1); + netif_napi_add(port->ndev, &common->napi_rx, am65_cpsw_nuss_rx_poll, NAPI_POLL_WEIGHT); return ret; } -static int am65_cpsw_nuss_ndev_add_napi_2g(struct am65_cpsw_common *common) +static int am65_cpsw_nuss_ndev_add_tx_napi(struct am65_cpsw_common *common) { struct device *dev = common->dev; struct am65_cpsw_port *port; @@ -1944,16 +1963,27 @@ static int am65_cpsw_nuss_ndev_add_napi_2g(struct am65_cpsw_common *common) return ret; } -static int am65_cpsw_nuss_ndev_reg_2g(struct am65_cpsw_common *common) +static void am65_cpsw_nuss_cleanup_ndev(struct am65_cpsw_common *common) +{ + struct am65_cpsw_port *port; + int i; + + for (i = 0; i < common->port_num; i++) { + port = &common->ports[i]; + if (port->ndev) + unregister_netdev(port->ndev); + } +} + +static int am65_cpsw_nuss_register_ndevs(struct am65_cpsw_common *common) { struct device *dev = common->dev; struct am65_cpsw_port *port; - int ret = 0; + int ret = 0, i; - port = am65_common_get_port(common, 1); - ret = am65_cpsw_nuss_ndev_add_napi_2g(common); + ret = am65_cpsw_nuss_ndev_add_tx_napi(common); if (ret) - goto err; + return ret; ret = devm_request_irq(dev, common->rx_chns.irq, am65_cpsw_nuss_rx_irq, @@ -1961,17 +1991,31 @@ static int am65_cpsw_nuss_ndev_reg_2g(struct am65_cpsw_common *common) if (ret) { dev_err(dev, "failure requesting rx irq %u, %d\n", common->rx_chns.irq, ret); - goto err; + return ret; + } + + for (i = 0; i < common->port_num; i++) { + port = &common->ports[i]; + + if (!port->ndev) + continue; + + ret = register_netdev(port->ndev); + if (ret) { + dev_err(dev, "error registering slave net device%i %d\n", + i, ret); + goto err_cleanup_ndev; + } } - ret = register_netdev(port->ndev); - if (ret) - dev_err(dev, "error registering slave net device %d\n", ret); /* can't auto unregister ndev using devm_add_action() due to * devres release sequence in DD core for DMA */ -err: + return 0; + +err_cleanup_ndev: + am65_cpsw_nuss_cleanup_ndev(common); return ret; } @@ -1984,19 +2028,7 @@ int am65_cpsw_nuss_update_tx_chns(struct am65_cpsw_common *common, int num_tx) if (ret) return ret; - return am65_cpsw_nuss_ndev_add_napi_2g(common); -} - -static void am65_cpsw_nuss_cleanup_ndev(struct am65_cpsw_common *common) -{ - struct am65_cpsw_port *port; - int i; - - for (i = 0; i < common->port_num; i++) { - port = &common->ports[i]; - if (port->ndev) - unregister_netdev(port->ndev); - } + return am65_cpsw_nuss_ndev_add_tx_napi(common); } struct am65_cpsw_soc_pdata { @@ -2084,9 +2116,6 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) return -ENOENT; of_node_put(node); - if (common->port_num != 1) - return -EOPNOTSUPP; - common->rx_flow_id_base = -1; init_completion(&common->tdown_complete); common->tx_ch_num = 1; @@ -2181,11 +2210,11 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) dev_set_drvdata(dev, common); - ret = am65_cpsw_nuss_init_ndev_2g(common); + ret = am65_cpsw_nuss_init_ndevs(common); if (ret) goto err_of_clear; - ret = am65_cpsw_nuss_ndev_reg_2g(common); + ret = am65_cpsw_nuss_register_ndevs(common); if (ret) goto err_of_clear;