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 1BC57CA5FA3 for ; Mon, 28 Sep 2026 19:33:37 +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=bBGQjBu2/9IMpujWC0b5meThMA4L++4AI93APZstB4U=; b=epwNzQC1yE6V0tLw5EaodEand5 vWNYB90ZrK6X6gUomxbUld4QkKVakxcSHke0llakSUeEM9fdrIg4aY5Cctkn2RNOK7I734gBX/dQp WRhNrq3md2igYD8JMarOjIplhHp4v2gl6lj1icSXE48m7GIuf5xSZ5sTyY0Xoq08GD5Ed8yfQkgfC bdItGl9GV3mGqjt2+GzT42gibIjLxHwttk30KnhV/tr9DpwviXVKCIBskWki2g9S+G0lL3fre0ucM jWO71TQojPCT7pz/oqLWm0iiSbPScEKCTYxzIzzNc0eH8IPfdO7O4Ar4FQ4kye4Ix52b499eedQS2 eZXQOCvQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBH6P-00000001Rik-2s5A; Mon, 28 Sep 2026 19:33:29 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBH6J-00000001Rf7-2ICB for linux-arm-kernel@lists.infradead.org; Mon, 28 Sep 2026 19:33:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1790624003; x=1822160003; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=uAjuVs+ar/be9P7MezDvO8gsGdNh69Bo2d+uWmDN2zk=; b=xdYLf8pKORwcpPMxRTlEXujeDXKi1f0HCLBe/XH5Wewxgwa2YkxRMFqS GxhLR/N11hVsE6DpqI4ek3iMS7GGmoEsN860XgOnmZ2paQp6mkwvbO1Ux sMvWCnjV+DQLAH/uPC6p2Va/Rl+xP1Fwyx08w9RPTSYzdN9DsK2+xrbCG IswyvIGlfW59zPmJzl6ajeF799shr8gW7LGR55OUtUH1tM/F1/7633GA5 7JS/zmAb/qS/m3qrtQhLaNVDi1D5fgxPS7gCq3XAL+Ft9o3atR21mIVoe 1uKu9OXQujh+cF7bYMh7Ghre0ogQPflizKvIwigvVcmrHM4eGsottIgxk g==; X-CSE-ConnectionGUID: a0BV0rIpRQe+Uz/aEj63jw== X-CSE-MsgGUID: YE1garJTQomYJQxilH/piw== X-IronPort-AV: E=Sophos;i="6.27,129,1787036400"; d="scan'208";a="231389918" 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-AES256-GCM-SHA384; 28 Sep 2026 12:33:22 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex4.mchp-main.com (10.10.87.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.49; Mon, 28 Sep 2026 12:33:22 -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; Mon, 28 Sep 2026 12:33:18 -0700 From: Daniel Machon Date: Mon, 28 Sep 2026 21:32:54 +0200 Subject: [PATCH net-next v9 06/15] net: lan966x: export FDMA helpers for reuse MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260928-lan966x-pci-fdma-v9-6-a17caf60f89a@microchip.com> References: <20260928-lan966x-pci-fdma-v9-0-a17caf60f89a@microchip.com> In-Reply-To: <20260928-lan966x-pci-fdma-v9-0-a17caf60f89a@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 , "Simon Horman" 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-20260928_123323_633276_9F904E08 X-CRM114-Status: GOOD ( 11.37 ) 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 Reviewed-by: Simon Horman --- .../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 1c5484a506ff..651ea03eede7 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; @@ -471,7 +471,7 @@ 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; @@ -584,7 +584,7 @@ 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; @@ -802,7 +802,7 @@ 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)); } @@ -884,7 +884,7 @@ 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