From patchwork Tue Dec 13 10:50:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tirthendu Sarkar X-Patchwork-Id: 13071916 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10157C04FDE for ; Tue, 13 Dec 2022 11:04:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235238AbiLMLEm (ORCPT ); Tue, 13 Dec 2022 06:04:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235225AbiLMLEP (ORCPT ); Tue, 13 Dec 2022 06:04:15 -0500 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C32625D1; Tue, 13 Dec 2022 03:04:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1670929454; x=1702465454; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=qUgI9kJMyxfeIBUg1MqvWukhfpYdTN7aNnJshDSAb0o=; b=IPw/dRoPVE1aEQp0LPUWPHFQly03zqFLYB4zhoMg8AceZR0eqeaa1cKE LrmBpxsSlNAiQptWVgfDUGkUXv9NaQL8n64rvbUvdRkxjXcF791O0mK8X 3GPSb4jkM0MVxbtNBNscVhEwSmhz1oZeQKmlYVMKjKWlU7YArwxHLbX3T NqZpp73vCZo1f9Pvz7wR99ai0Kn18NW6wDmFyLxaEGNCeH7JXH7Yn6yG4 deXb/cm2jB0aYvLmc7Fa9ICULqTWh0S82IkhGi06G5efsYHnlRDaC+I1+ RJz1J3exr9uM+GZ7UItAf3AWJ2xnXDVfwspuXHqCdURWWmFp22GthxuDD w==; X-IronPort-AV: E=McAfee;i="6500,9779,10559"; a="305744344" X-IronPort-AV: E=Sophos;i="5.96,241,1665471600"; d="scan'208";a="305744344" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2022 03:04:13 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10559"; a="679263020" X-IronPort-AV: E=Sophos;i="5.96,241,1665471600"; d="scan'208";a="679263020" Received: from unknown (HELO paamrpdk12-S2600BPB.aw.intel.com) ([10.228.151.145]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2022 03:04:11 -0800 From: Tirthendu Sarkar To: tirtha@gmail.com, jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com Subject: [PATCH intel-next 0/5] i40e: support XDP multi-buffer Date: Tue, 13 Dec 2022 16:20:18 +0530 Message-Id: <20221213105023.196409-1-tirthendu.sarkar@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patchset adds multi-buffer support for XDP. The first four patches are prepatory patches while the fifth one contains actual multi-buffer changes. Tirthendu Sarkar (5): i40e: add pre-xdp page_count in rx_buffer i40e: avoid per buffer next_to_clean access from i40e_ring i40e: introduce next_to_process to i40e_ring i40e: pull out rx buffer allocation to end of i40e_clean_rx_irq() i40e: add support for XDP multi-buffer Rx drivers/net/ethernet/intel/i40e/i40e_main.c | 18 +- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 378 ++++++++++++++------ drivers/net/ethernet/intel/i40e/i40e_txrx.h | 13 +- 3 files changed, 280 insertions(+), 129 deletions(-)