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 C3F37C4167B for ; Sun, 3 Dec 2023 16:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lt+v9gIHhtI33Bi8SjiqOIbRCr8okW2vDpMcdXcScp8=; b=hC1H05Lkm4iRw3 Wkr7uyq9yWNXIhOJcGP2wEyb4YegvDAE8TE0EkpmUz/63Y9e+TSPNWzM3hQfXjo+N5qwawSssEA04 kRdxbZtpsdI7jbBEWCGBtWEbJJn5dvE8IlOK3Olr8b4BPlk0V+1vR8XLgBvYWYMpXZIfhV3AY1PSZ QGTVmOIYKHQiTgGoqgzH+DnzEpqxZR/qbXqA4Rd8pAH9YTwxlD64XcKUrotCQ7+U6O07dsPlWxiHD eo+LUHfUXsbffNXmXWTL34lPwQnta5s7/48UXS11WU9ghdAToNKRfzpr20BHhbvCEoTWxB7+LPeYf oRgqvsy1sT3x3FQ1kbhw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r9phg-001UfU-1W; Sun, 03 Dec 2023 16:52:24 +0000 Received: from mgamail.intel.com ([192.198.163.10]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r9phd-001UcJ-13 for linux-arm-kernel@lists.infradead.org; Sun, 03 Dec 2023 16:52:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701622341; x=1733158341; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=N9rjqssMGbAvr291sISynJdKrrI2CBF9OefB6kNHY6c=; b=QxInChPv2InQO24+8HJqtFUf++sXnyrIzhF9PKDZ10SNxCvV3/I9WnaV pUOJeERGiGuu1ZOfkeMbn6csGpkz0JDsRU4xUyfxPFhxAuQQy8BbOuHFk jELigflfoOeuLVPFEXWxmQK90nlOQAZCpBH0sKK7xsb4uBn97DTcae2Hf 9qQww7+dBSRxVcjQLni22xeLQ7bff0PxxM/HHNLCC8TN92oKHqrNnesg2 igY1e+cwIV/j+nOq3u7bwh+emx9pHgsgTWLhV4mPsjaYR0N9WoMjNX48j UuKKFRKI6ecjOn9fmMbB6RE+Sg8eTp3nzqCPsvtXQzvpzCJUh2hCxY9xu Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="706838" X-IronPort-AV: E=Sophos;i="6.04,247,1695711600"; d="scan'208";a="706838" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2023 08:52:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="799345480" X-IronPort-AV: E=Sophos;i="6.04,247,1695711600"; d="scan'208";a="799345480" Received: from p12ill20yoongsia.png.intel.com ([10.88.227.28]) by orsmga008.jf.intel.com with ESMTP; 03 Dec 2023 08:52:11 -0800 From: Song Yoong Siang To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jonathan Corbet , Bjorn Topel , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Lorenzo Bianconi , Tariq Toukan , Willem de Bruijn , Maxime Coquelin , Andrii Nakryiko , Mykola Lysenko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , Shuah Khan , Alexandre Torgue , Jose Abreu Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, bpf@vger.kernel.org, xdp-hints@xdp-project.net, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Song Yoong Siang Subject: [PATCH bpf-next v3 2/3] net: stmmac: add Launch Time support to XDP ZC Date: Mon, 4 Dec 2023 00:51:28 +0800 Message-Id: <20231203165129.1740512-3-yoong.siang.song@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231203165129.1740512-1-yoong.siang.song@intel.com> References: <20231203165129.1740512-1-yoong.siang.song@intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231203_085221_383508_612A07AE X-CRM114-Status: GOOD ( 10.18 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch enables Launch Time (Time-Based Scheduling) support to XDP zero copy via XDP Tx metadata framework. Signed-off-by: Song Yoong Siang --- drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 686c94c2e8a7..e8538af6e207 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -105,6 +105,8 @@ struct stmmac_metadata_request { struct stmmac_priv *priv; struct dma_desc *tx_desc; bool *set_ic; + struct dma_edesc *edesc; + int tbs; }; struct stmmac_xsk_tx_complete { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c2ac88aaffed..1fe80bfae24b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2465,9 +2465,20 @@ static u64 stmmac_xsk_fill_timestamp(void *_priv) return 0; } +static void stmmac_xsk_request_launch_time(u64 launch_time, void *_priv) +{ + struct stmmac_metadata_request *meta_req = _priv; + struct timespec64 ts = ns_to_timespec64(launch_time); + + if (meta_req->tbs & STMMAC_TBS_EN) + stmmac_set_desc_tbs(meta_req->priv, meta_req->edesc, ts.tv_sec, + ts.tv_nsec); +} + static const struct xsk_tx_metadata_ops stmmac_xsk_tx_metadata_ops = { .tmo_request_timestamp = stmmac_xsk_request_timestamp, .tmo_fill_timestamp = stmmac_xsk_fill_timestamp, + .tmo_request_launch_time = stmmac_xsk_request_launch_time, }; static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget) @@ -2545,6 +2556,8 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget) meta_req.priv = priv; meta_req.tx_desc = tx_desc; meta_req.set_ic = &set_ic; + meta_req.tbs = tx_q->tbs; + meta_req.edesc = &tx_q->dma_entx[entry]; xsk_tx_metadata_request(meta, &stmmac_xsk_tx_metadata_ops, &meta_req); if (set_ic) { -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel