From patchwork Tue Mar 5 02:01:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mina Almasry X-Patchwork-Id: 13581484 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7F8BDC54E49 for ; Tue, 5 Mar 2024 02:02:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A1FF411281F; Tue, 5 Mar 2024 02:02:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="rOdbRgxn"; dkim-atps=neutral Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) by gabe.freedesktop.org (Postfix) with ESMTPS id 91C2211281F for ; Tue, 5 Mar 2024 02:02:00 +0000 (UTC) Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dcc58cddb50so8858506276.0 for ; Mon, 04 Mar 2024 18:02:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1709604119; x=1710208919; darn=lists.freedesktop.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=Na1UZEy/GVYcP9OgTRpAH79YV4s5dC/8SJ0CqP6QkUQ=; b=rOdbRgxnDyzxAMCTDCPIQqXbthzKcPUZI/jLW9I7vSvHSSSZms9hFz+aiqJoJBm6rK L8bCQKrZby2f69frS0Vnz6WOE7auuYwQb3JiaQ4Cc2O7KOwxnulkF9RYjYh2BROebrhX 5eOZ1phljwZcCs8xYXCQ0g/nL+frkLw+tSxW8++iJiMPBHFNYL0OBTchcA0PWGVWvfTl CTxfIE5HVTO+N+T2vVS5qzlpeHDv4VC1TpkRZRfGZ5HGA8tml7aRnXYvUK+Y4pSAAvIy 5DTT2m4Ia1OKp89LLicOXu/wPwOakoD0NdTvn9pCtlWyrTMpfOsdU+5pu40Eeak0mc+U GbAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709604119; x=1710208919; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Na1UZEy/GVYcP9OgTRpAH79YV4s5dC/8SJ0CqP6QkUQ=; b=H3/3veE9oHphTfXgqFMJInQbqVE1niD79ozQZniooaqubjiIcb9WjX5MYgrUirl16l /65WveEPXDcATD+/SpjwJ6Vk8cXj4BwHnmF3AQ/7tgRIZDOsHpHmRUvM5Qn+khDLSgAZ Ky0IdIvguSKJ9Wlz+Bc4V484h3Fk0JklSp/Y9r9JXn/dUDXpp6cgV4m8RJT8xQ4wCWYJ 7LnjEIHGpauKQVymabsxxO889loMmcoqtUrE/AhQVqLJh0HnE+p7gs8K9Ti/aMO+RJJu qRw8cb1OgEv6lNPlY8k14Ll/Bq8rXGFozDyGYufxaiQJ8dIxmew/7HfDPLO5bRu508y9 9p0g== X-Forwarded-Encrypted: i=1; AJvYcCU/nan8IB9xYpO72O5Y4QHh+pKByBPR+4auaG7rTc5da1TY9j4QWu+ykdUd+kbz2iUuiW2Z9kzAnVXneJP/9ZhHFOINNvGAbCKO3O4yt9JL X-Gm-Message-State: AOJu0Yz/aRhZyITR8YWbhxG0w642CXmaJtOfbLVsSBmN0hYyAOLUArtL mjwRcv0fhbvxheBz2IQQsKf84wdxHbKqAJCUz1jbU6t9V0Lq4pVdUHBoGG2yHlPp4Zaz9bZIcC2 CgTQs1o5QvpA94pbLsw6FWw== X-Google-Smtp-Source: AGHT+IGpPTZKtcPN8U9sdm9ezESJ/sJ5oiNSY59vHDkx0uXjzdGQiK9QV6X9ugUC+YOriupaZX7copF8kyJbbuA8Ug== X-Received: from almasrymina.svl.corp.google.com ([2620:15c:2c4:200:b614:914c:63cd:3830]) (user=almasrymina job=sendgmr) by 2002:a05:6902:1004:b0:dc2:3441:897f with SMTP id w4-20020a056902100400b00dc23441897fmr2713866ybt.6.1709604119594; Mon, 04 Mar 2024 18:01:59 -0800 (PST) Date: Mon, 4 Mar 2024 18:01:36 -0800 In-Reply-To: <20240305020153.2787423-1-almasrymina@google.com> Mime-Version: 1.0 References: <20240305020153.2787423-1-almasrymina@google.com> X-Mailer: git-send-email 2.44.0.rc1.240.g4c46232300-goog Message-ID: <20240305020153.2787423-2-almasrymina@google.com> Subject: [RFC PATCH net-next v6 01/15] queue_api: define queue api From: Mina Almasry To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-arch@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: Mina Almasry , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jonathan Corbet , Richard Henderson , Ivan Kokshaysky , Matt Turner , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Andreas Larsson , Jesper Dangaard Brouer , Ilias Apalodimas , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Arnd Bergmann , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , David Ahern , Willem de Bruijn , Shuah Khan , Sumit Semwal , " =?utf-8?q?Christian_K=C3=B6nig?= " , Pavel Begunkov , David Wei , Jason Gunthorpe , Yunsheng Lin , Shailend Chand , Harshitha Ramamurthy , Shakeel Butt , Jeroen de Borst , Praveen Kaligineedi X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This API enables the net stack to reset the queues used for devmem. Signed-off-by: Mina Almasry --- include/linux/netdevice.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c41019f34179..3105c586355d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1435,6 +1435,20 @@ struct netdev_net_notifier { * struct kernel_hwtstamp_config *kernel_config, * struct netlink_ext_ack *extack); * Change the hardware timestamping parameters for NIC device. + * + * void *(*ndo_queue_mem_alloc)(struct net_device *dev, int idx); + * Allocate memory for an RX queue. The memory returned in the form of + * a void * can be passed to ndo_queue_mem_free() for freeing or to + * ndo_queue_start to create an RX queue with this memory. + * + * void (*ndo_queue_mem_free)(struct net_device *dev, void *); + * Free memory from an RX queue. + * + * int (*ndo_queue_start)(struct net_device *dev, int idx, void *); + * Start an RX queue at the specified index. + * + * int (*ndo_queue_stop)(struct net_device *dev, int idx, void **); + * Stop the RX queue at the specified index. */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1679,6 +1693,16 @@ struct net_device_ops { int (*ndo_hwtstamp_set)(struct net_device *dev, struct kernel_hwtstamp_config *kernel_config, struct netlink_ext_ack *extack); + void * (*ndo_queue_mem_alloc)(struct net_device *dev, + int idx); + void (*ndo_queue_mem_free)(struct net_device *dev, + void *queue_mem); + int (*ndo_queue_start)(struct net_device *dev, + int idx, + void *queue_mem); + int (*ndo_queue_stop)(struct net_device *dev, + int idx, + void **out_queue_mem); }; /**