From mboxrd@z Thu Jan 1 00:00:00 1970 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 D956AC79FB6 for ; Wed, 9 Sep 2026 13:00:57 +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=57wpxyvyzNN4srtySJeAPGKs9q/domMI7k1Jjud9wsU=; b=s4hq06s4Mq8mbdY4xxzN7a/yPa iIcaS48zOT+1ezkfSMKc7uueZBSNLL3gES/54VrNSj4vgbDMoFlNp0Z7rczyWEaQ/1WMGqMqOGuWK AlFQbjkWxpJjdV0xu2IB2NWywDJWPtR8Nq62aSbwlczt8NbpS56/2t3heak/PK9JSixpTN868jyMV QH7ZopAxtfSvI5SCww39LwsAc1ZiWip6msfu7c3H0Dpt8TZgTVPLszNPLPw7q2UKzKzit9cabuFe4 nJSGmI9ZlyJgoKrS1gnQaMXV3TQEv3pkQzXKhfFk1qZprX4Ppwqepk3JhmOVwI4/qr90Fkvba9VKc xjJTjhhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4Hv1-0000000BiuQ-1dAn; Wed, 09 Sep 2026 13:00:51 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4Hut-0000000BioR-2VJm for linux-arm-kernel@lists.infradead.org; Wed, 09 Sep 2026 13:00:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1788958843; x=1820494843; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=GDJaLsAforcU9l7sYaMjbi5eINktR8k9y7Z6G10vv6o=; b=aNwFULesVJF0hlUUjNiqhQ00vxT0V1/LErWpfXrlrAxpadBDmbXbSs3z e5VWwB48rK83ZUczBVGnlGTDfC0ATcCt0Il7418AO72vE/IjZ0/Z6d9CP lxWeUX+LhA/Lt1kdgShGyFD035ViJt/zeiVgheUGtkqoSeYUHCP0k4MzB JQ2lqvWcAhXvM29sJAqwRl4zMyIPbPk2F+LagQyMg7enA3bwHaDMyk+YA 67fxGOtZwx5/mupUiN7uQsi+b0g/LeC/zIXKRlCKqbXx72+56nHCCoVBw RVXceXYE8K1lQ5IejETxIYtsNrbyj6zkJkZKWkFh252O70uUyjAufbbSk w==; X-CSE-ConnectionGUID: VGLsUOARS32sPbXBsPgQIg== X-CSE-MsgGUID: Z16gsI4uRjaCcChh9orPIA== X-IronPort-AV: E=Sophos;i="6.25,270,1779174000"; d="scan'208";a="63358641" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2026 06:00:43 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex1.mchp-main.com (10.10.87.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.45; Wed, 9 Sep 2026 06:00:42 -0700 Received: from DEN-DL-M70577.microsemi.net (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Wed, 9 Sep 2026 06:00:38 -0700 From: Daniel Machon Date: Wed, 9 Sep 2026 15:00:07 +0200 Subject: [PATCH net-next v6 05/14] net: lan966x: export FDMA helpers for reuse MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260909-lan966x-pci-fdma-v6-5-6f48dab9d671@microchip.com> References: <20260909-lan966x-pci-fdma-v6-0-6f48dab9d671@microchip.com> In-Reply-To: <20260909-lan966x-pci-fdma-v6-0-6f48dab9d671@microchip.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Horatiu Vultur , Steen Hegelund , , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , Stanislav Fomichev , Herve Codina , Arnd Bergmann , Greg Kroah-Hartman , Mohsin Bashir CC: Richard Cochran , , , , X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260909_060043_649032_9CBC2124 X-CRM114-Status: GOOD ( 12.09 ) 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 Make shared FDMA helpers non-static, so they can be reused by the PCIe FDMA implementation. Tested-by: Herve Codina Signed-off-by: Daniel Machon --- .../net/ethernet/microchip/lan966x/lan966x_fdma.c | 22 +++++++++++----------- .../net/ethernet/microchip/lan966x/lan966x_main.h | 11 +++++++++++ 2 files changed, 22 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c index b8344fd5e5ad..1311b79bd11f 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c @@ -109,8 +109,8 @@ static int lan966x_fdma_rx_alloc_page_pool(struct lan966x_rx *rx) return 0; } -static void lan966x_fdma_llp_configure(struct lan966x *lan966x, u64 addr, - u8 channel_id) +void lan966x_fdma_llp_configure(struct lan966x *lan966x, u64 addr, + u8 channel_id) { lan_wr(lower_32_bits(addr), lan966x, FDMA_DCB_LLP(channel_id)); lan_wr(upper_32_bits(addr), lan966x, FDMA_DCB_LLP1(channel_id)); @@ -140,7 +140,7 @@ static int lan966x_fdma_rx_alloc(struct lan966x_rx *rx) return 0; } -static void lan966x_fdma_rx_start(struct lan966x_rx *rx) +void lan966x_fdma_rx_start(struct lan966x_rx *rx) { struct lan966x *lan966x = rx->lan966x; struct fdma *fdma = &rx->fdma; @@ -171,7 +171,7 @@ static void lan966x_fdma_rx_start(struct lan966x_rx *rx) lan966x, FDMA_CH_ACTIVATE); } -static void lan966x_fdma_rx_disable(struct lan966x_rx *rx) +void lan966x_fdma_rx_disable(struct lan966x_rx *rx) { struct lan966x *lan966x = rx->lan966x; struct fdma *fdma = &rx->fdma; @@ -191,7 +191,7 @@ static void lan966x_fdma_rx_disable(struct lan966x_rx *rx) lan966x, FDMA_CH_DB_DISCARD); } -static void lan966x_fdma_rx_reload(struct lan966x_rx *rx) +void lan966x_fdma_rx_reload(struct lan966x_rx *rx) { struct lan966x *lan966x = rx->lan966x; @@ -264,7 +264,7 @@ static void lan966x_fdma_tx_activate(struct lan966x_tx *tx) lan966x, FDMA_CH_ACTIVATE); } -static void lan966x_fdma_tx_disable(struct lan966x_tx *tx) +void lan966x_fdma_tx_disable(struct lan966x_tx *tx) { struct lan966x *lan966x = tx->lan966x; struct fdma *fdma = &tx->fdma; @@ -296,7 +296,7 @@ static void lan966x_fdma_tx_reload(struct lan966x_tx *tx) lan966x, FDMA_CH_RELOAD); } -static void lan966x_fdma_wakeup_netdev(struct lan966x *lan966x) +void lan966x_fdma_wakeup_netdev(struct lan966x *lan966x) { struct lan966x_port *port; int i; @@ -470,7 +470,7 @@ static struct sk_buff *lan966x_fdma_rx_get_frame(struct lan966x_rx *rx, return NULL; } -static int lan966x_fdma_napi_poll(struct napi_struct *napi, int weight) +int lan966x_fdma_napi_poll(struct napi_struct *napi, int weight) { struct lan966x *lan966x = container_of(napi, struct lan966x, napi); struct lan966x_rx *rx = &lan966x->rx; @@ -583,7 +583,7 @@ static int lan966x_fdma_get_next_dcb(struct lan966x_tx *tx) return -1; } -static void lan966x_fdma_tx_start(struct lan966x_tx *tx) +void lan966x_fdma_tx_start(struct lan966x_tx *tx) { struct lan966x *lan966x = tx->lan966x; @@ -801,7 +801,7 @@ static int lan966x_fdma_get_max_mtu(struct lan966x *lan966x) return max_mtu; } -static int lan966x_qsys_sw_status(struct lan966x *lan966x) +int lan966x_qsys_sw_status(struct lan966x *lan966x) { return lan_rd(lan966x, QSYS_SW_STATUS(CPU_PORT)); } @@ -883,7 +883,7 @@ static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu) return err; } -static int lan966x_fdma_get_max_frame(struct lan966x *lan966x) +int lan966x_fdma_get_max_frame(struct lan966x *lan966x) { return lan966x_fdma_get_max_mtu(lan966x) + IFH_LEN_BYTES + diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h index eea286c29474..83c361abb789 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h @@ -561,6 +561,17 @@ int lan966x_fdma_init(struct lan966x *lan966x); void lan966x_fdma_deinit(struct lan966x *lan966x); irqreturn_t lan966x_fdma_irq_handler(int irq, void *args); int lan966x_fdma_reload_page_pool(struct lan966x *lan966x); +int lan966x_fdma_napi_poll(struct napi_struct *napi, int weight); +void lan966x_fdma_llp_configure(struct lan966x *lan966x, u64 addr, + u8 channel_id); +void lan966x_fdma_rx_start(struct lan966x_rx *rx); +void lan966x_fdma_rx_disable(struct lan966x_rx *rx); +void lan966x_fdma_rx_reload(struct lan966x_rx *rx); +void lan966x_fdma_tx_start(struct lan966x_tx *tx); +void lan966x_fdma_tx_disable(struct lan966x_tx *tx); +void lan966x_fdma_wakeup_netdev(struct lan966x *lan966x); +int lan966x_fdma_get_max_frame(struct lan966x *lan966x); +int lan966x_qsys_sw_status(struct lan966x *lan966x); int lan966x_lag_port_join(struct lan966x_port *port, struct net_device *brport_dev, -- 2.34.1