From patchwork Mon Nov 9 23:36:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Awogbemila X-Patchwork-Id: 1397179 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=oPTOJkxg; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CVS811bZyz9sRK for ; Tue, 10 Nov 2020 10:37:05 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730947AbgKIXhE (ORCPT ); Mon, 9 Nov 2020 18:37:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729454AbgKIXhE (ORCPT ); Mon, 9 Nov 2020 18:37:04 -0500 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3088C0613CF for ; Mon, 9 Nov 2020 15:37:03 -0800 (PST) Received: by mail-pf1-x449.google.com with SMTP id y62so7824922pfg.13 for ; Mon, 09 Nov 2020 15:37:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=LYeQc80FI3s8UNC57WoA8ZaOS1EBvWBKkEOrjB3XDSc=; b=oPTOJkxgbrqYknv2ZFknLxawHGJ5ufS7ckI8TuUWr2hZP39g0cybTKJEVnnFghOzLZ oOBuzh2lPpO93oVWEbunISK3Mh71w5GKYPnSZhV23V0qdQfes1D9dAFWznyQ0lWb39Fy kJ8Fbz6EXztFeUyUOgWnXsxoWTSh9c3PksveTR+GSyxVNUa9OHqYKeHZadnDHyjUAvzp 3RVhXFZGxmW4/87lYbalnuAFFgi7m3GBn3ky9VphKR3avSVrLVTfKblwpR5phIOKp3IR BPzO/BoEGJyZqrTmbVrxu8ZTa+RpHu67iduhGWae4yvQPXUPGfgQjEBS3+/IEJ6PDEcO eqqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=LYeQc80FI3s8UNC57WoA8ZaOS1EBvWBKkEOrjB3XDSc=; b=UgSa3nKfjeIsGDBMxFWsnzhhfsjgTLmDRT0G2hq0bJWLNEaJdOAoKOfxALcPWXrM65 WUvbzVGtdPS3ozY88svsQlBMJImmkkezetSA9yQxDE2u00fp1lmg+Y3knAJcw/XIm+9Q 7/HfvIqRSMz4BmeIvV8qzNYILICTqLhNNVRUlL9r8P+JlrNUlwoiCcejCGKe/CHs9JZY bbtPntnYxV1Pv5lb2z4tR63/x4fEZg9Re/hwGXzB4+mmad0kB3bW6YZgx/HIiw/e3iwS u4USMYunUX77WbVrIfNgEt61FyVJayN1lJXJboDH8RgrMW0JonMoqMChskgoVM879b7z NIkA== X-Gm-Message-State: AOAM532zlLienoNdzh0Wh2kkDO1UcxWUhaZN5/lScU63PrQjpNtAkurU kR/hnrvcVJ57R2F27yGC0hspIs0wjkucY7rBkT/FX1WYHILRJO9RZYskKBMmnNpKVSIMbICB2bI /k8Les1bwJjO5hioeZyBh+wUpZ8zQJdsNfuuC4nGKnzpmLWI1bt0YmXQcfeph7+8WzQuP0h4d X-Google-Smtp-Source: ABdhPJwdt2+VJHRn/r8jee4pH3Nnw4UwH3VTtURRus/j0YQpmjhGk0uM3Yna3b9u43rgPM2MphRNLHtXkvs1k/n9 Sender: "awogbemila via sendgmr" X-Received: from awogbemila.sea.corp.google.com ([2620:15c:100:202:1ea0:b8ff:fe73:6cc0]) (user=awogbemila job=sendgmr) by 2002:a62:2a81:0:b029:18c:310f:74fe with SMTP id q123-20020a622a810000b029018c310f74femr3552823pfq.50.1604965023363; Mon, 09 Nov 2020 15:37:03 -0800 (PST) Date: Mon, 9 Nov 2020 15:36:55 -0800 Message-Id: <20201109233659.1953461-1-awogbemila@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.29.2.222.g5d2a92d10f8-goog Subject: [PATCH net-next v6 0/4] GVE Raw Addressing From: David Awogbemila To: netdev@vger.kernel.org Cc: David Awogbemila Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Patch 1: Use static inline for getting next option in describe_device to make loop more readable. Patch 2: Remove redundant else in gve_num_rx_qpls, Fix skew in for loop in gve_prefill_rx_pages and separate raw_addressing and non-raw_addressing paths for clearly. Patch 3: Handle pages with bad refcount: - in raw addressing mode, just warn and leak the page, - in qpl mode, schedule a reset. Patch 4: Remove redundant else from gve_num_tx_qpls Protect dma_mapping_error stat from parallel access. Revert unnecessary change of signature for gve_dma_sync_for_device. Catherine Sullivan (3): gve: Add support for raw addressing device option gve: Add support for raw addressing to the rx path gve: Add support for raw addressing in the tx path David Awogbemila (1): gve: Rx Buffer Recycling drivers/net/ethernet/google/gve/gve.h | 32 +- drivers/net/ethernet/google/gve/gve_adminq.c | 82 +++- drivers/net/ethernet/google/gve/gve_adminq.h | 15 +- drivers/net/ethernet/google/gve/gve_desc.h | 18 +- drivers/net/ethernet/google/gve/gve_main.c | 12 +- drivers/net/ethernet/google/gve/gve_rx.c | 380 ++++++++++++++----- drivers/net/ethernet/google/gve/gve_tx.c | 207 ++++++++-- 7 files changed, 588 insertions(+), 158 deletions(-)