From patchwork Tue Oct 1 13:50:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Machon X-Patchwork-Id: 13818267 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D43F9CEACD5 for ; Tue, 1 Oct 2024 15:17:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JZiFjZtxeVBgQ2zsR9HCAeVMo+j1E7cJL+PtvrKcZF8=; b=iH+q3vSwbrinxn8Ye7xBYm96Wq L+JxmeN2zef7e6C0eJIFf6jMDyR3OWRlxNZEMa+E7kOWUzN/sa/egHMYWXfQeFR/SPmaTTp6nYSpF 5FC8yuwzG03yRMG+SfaG6cZvhVLdmDljeMBmYTKSEHOSmQFWewIGb3iHYfHUIvmAV2WW4ZxtRRq2z JUBi08UDCr0K4sCfNTIvzQwhxrh/faqDJYCPvJEjLh4cR0HK2NkGA7so0mVeU9F1enibUGBi2Djs3 ycq8l87EvSNvm5epFGSr+RBwzSrFQLzPm0md8LebLoigW5+gSPfKIIwtTpmFGPvv6mcY2FuE+gmwG fSk47Xng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1svece-00000003Iio-3biP; Tue, 01 Oct 2024 15:17:08 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1svdIC-000000030hF-1C7I for linux-arm-kernel@lists.infradead.org; Tue, 01 Oct 2024 13:51:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1727790716; x=1759326716; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=Pv+VUAjujBz2UVaZkgBtDLm6RV4FvG/RREyWqq1OPYs=; b=wO28T66+YYSgfL34yLU+5ljsCQkUD0uzTZYnJ6btLkCybH+lZ56jFVWx mmHzF/iZKPFyPB6NjAoKm6E4I9iMyBAkNjpa/X8VerHz2lM7leKJHnIUG 3adKsIjvsjb+OMaA9WeBG7ilBcsxETcjFk/GfKfmTaMn52WxRPb2y7Imy zAlbYKkRSAGS2f8uQQo8RSCbzMGaWpCZy3ZoeBCaDMW52QB6NLrcDXINm TENvqijVU6oH/IgEowW54x7Stf1Tn6C2D6zefczWyjFJgSfPC/IppJyWO qPBILWo/BESWlTBAq2Tm1xZINEGPVmd9x1t5yAugtOKiVwEBK8YRAyI8O g==; X-CSE-ConnectionGUID: PEtbMb/SSnq9y/Yd81naGA== X-CSE-MsgGUID: eptQ1vUQT++V1OzL+f4E7g== X-IronPort-AV: E=Sophos;i="6.11,167,1725346800"; d="scan'208";a="199893175" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 01 Oct 2024 06:51:53 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 1 Oct 2024 06:51:45 -0700 Received: from DEN-DL-M70577.microchip.com (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Tue, 1 Oct 2024 06:51:42 -0700 From: Daniel Machon Date: Tue, 1 Oct 2024 15:50:44 +0200 Subject: [PATCH net-next 14/15] net: sparx5: ops out function for DSM calendar calculation MIME-Version: 1.0 Message-ID: <20241001-b4-sparx5-lan969x-switch-driver-v1-14-8c6896fdce66@microchip.com> References: <20241001-b4-sparx5-lan969x-switch-driver-v1-0-8c6896fdce66@microchip.com> In-Reply-To: <20241001-b4-sparx5-lan969x-switch-driver-v1-0-8c6896fdce66@microchip.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lars Povlsen , "Steen Hegelund" , , , , Richard Cochran , , , , , CC: , , X-Mailer: b4 0.14-dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241001_065156_519289_849FEFAC X-CRM114-Status: GOOD ( 16.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The DSM (Disassembler) calendar grants each port access to internal busses. The configuration of the calendar is done differently on Sparx5 and lan969x. Therefore ops out the function that calculates the calendar. Signed-off-by: Daniel Machon Reviewed-by: Steen Hegelund --- .../ethernet/microchip/sparx5/sparx5_calendar.c | 22 ++++------------------ .../net/ethernet/microchip/sparx5/sparx5_main.c | 1 + .../net/ethernet/microchip/sparx5/sparx5_main.h | 21 +++++++++++++++++++++ 3 files changed, 26 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c b/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c index b7b611b1ad34..35456cd35a40 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_calendar.c @@ -15,9 +15,7 @@ #define SPX5_CALBITS_PER_PORT 3 /* Bit per port in calendar register */ /* DSM calendar information */ -#define SPX5_DSM_CAL_LEN 64 #define SPX5_DSM_CAL_EMPTY 0xFFFF -#define SPX5_DSM_CAL_MAX_DEVS_PER_TAXI 13 #define SPX5_DSM_CAL_TAXIS 8 #define SPX5_DSM_CAL_BW_LOSS 553 @@ -37,19 +35,6 @@ static u32 sparx5_taxi_ports[SPX5_DSM_CAL_TAXIS][SPX5_DSM_CAL_MAX_DEVS_PER_TAXI] {64, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99}, }; -struct sparx5_calendar_data { - u32 schedule[SPX5_DSM_CAL_LEN]; - u32 avg_dist[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; - u32 taxi_ports[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; - u32 taxi_speeds[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; - u32 dev_slots[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; - u32 new_slots[SPX5_DSM_CAL_LEN]; - u32 temp_sched[SPX5_DSM_CAL_LEN]; - u32 indices[SPX5_DSM_CAL_LEN]; - u32 short_list[SPX5_DSM_CAL_LEN]; - u32 long_list[SPX5_DSM_CAL_LEN]; -}; - static u32 sparx5_target_bandwidth(struct sparx5 *sparx5) { switch (sparx5->target_ct) { @@ -278,8 +263,8 @@ static u32 sparx5_dsm_cp_cal(u32 *sched) return SPX5_DSM_CAL_EMPTY; } -static int sparx5_dsm_calendar_calc(struct sparx5 *sparx5, u32 taxi, - struct sparx5_calendar_data *data) +int sparx5_dsm_calendar_calc(struct sparx5 *sparx5, u32 taxi, + struct sparx5_calendar_data *data) { bool slow_mode; u32 gcd, idx, sum, min, factor; @@ -565,6 +550,7 @@ static int sparx5_dsm_calendar_update(struct sparx5 *sparx5, u32 taxi, /* Configure the DSM calendar based on port configuration */ int sparx5_config_dsm_calendar(struct sparx5 *sparx5) { + const struct sparx5_ops *ops = sparx5->data->ops; int taxi; struct sparx5_calendar_data *data; int err = 0; @@ -574,7 +560,7 @@ int sparx5_config_dsm_calendar(struct sparx5 *sparx5) return -ENOMEM; for (taxi = 0; taxi < SPX5_CONST(n_dsm_cal_taxis); ++taxi) { - err = sparx5_dsm_calendar_calc(sparx5, taxi, data); + err = ops->dsm_calendar_calc(sparx5, taxi, data); if (err) { dev_err(sparx5->dev, "DSM calendar calculation failed\n"); goto cal_out; diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c index c5239e547c35..67e8d2d70816 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c @@ -989,6 +989,7 @@ static const struct sparx5_ops sparx5_ops = { .get_sdlb_group = &sparx5_get_sdlb_group, .set_port_mux = &sparx5_port_mux_set, .ptp_irq_handler = &sparx5_ptp_irq_handler, + .dsm_calendar_calc = &sparx5_dsm_calendar_calc, }; static const struct sparx5_match_data sparx5_desc = { diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h index eb71bba02a77..55fc21fbf63d 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h @@ -103,8 +103,24 @@ enum sparx5_vlan_port_type { #define IFH_PDU_TYPE_IPV4_UDP_PTP 0x6 #define IFH_PDU_TYPE_IPV6_UDP_PTP 0x7 +#define SPX5_DSM_CAL_LEN 64 +#define SPX5_DSM_CAL_MAX_DEVS_PER_TAXI 13 + struct sparx5; +struct sparx5_calendar_data { + u32 schedule[SPX5_DSM_CAL_LEN]; + u32 avg_dist[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; + u32 taxi_ports[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; + u32 taxi_speeds[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; + u32 dev_slots[SPX5_DSM_CAL_MAX_DEVS_PER_TAXI]; + u32 new_slots[SPX5_DSM_CAL_LEN]; + u32 temp_sched[SPX5_DSM_CAL_LEN]; + u32 indices[SPX5_DSM_CAL_LEN]; + u32 short_list[SPX5_DSM_CAL_LEN]; + u32 long_list[SPX5_DSM_CAL_LEN]; +}; + /* Frame DMA receive state: * For each DB, there is a SKB, and the skb data pointer is mapped in * the DB. Once a frame is received the skb is given to the upper layers @@ -273,6 +289,8 @@ struct sparx5_ops { struct sparx5_port_config *conf); irqreturn_t (*ptp_irq_handler)(int irq, void *args); + int (*dsm_calendar_calc)(struct sparx5 *sparx5, u32 taxi, + struct sparx5_calendar_data *data); }; struct sparx5_main_io_resource { @@ -423,6 +441,9 @@ void sparx5_vlan_port_apply(struct sparx5 *sparx5, struct sparx5_port *port); /* sparx5_calendar.c */ int sparx5_config_auto_calendar(struct sparx5 *sparx5); int sparx5_config_dsm_calendar(struct sparx5 *sparx5); +int sparx5_dsm_calendar_calc(struct sparx5 *sparx5, u32 taxi, + struct sparx5_calendar_data *data); + /* sparx5_ethtool.c */ void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats);