From nobody Tue Dec 16 21:51:33 2025 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 63891C4167B for ; Fri, 8 Dec 2023 00:53:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1444212AbjLHAxI (ORCPT ); Thu, 7 Dec 2023 19:53:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1444201AbjLHAwz (ORCPT ); Thu, 7 Dec 2023 19:52:55 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1AE3172E for ; Thu, 7 Dec 2023 16:53:01 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-db3ef4c7094so2057011276.1 for ; Thu, 07 Dec 2023 16:53:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1701996781; x=1702601581; darn=vger.kernel.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=V1r8ZXlyktFk/hR6LvKbeClNyv61T/bWHclepM8Rp88=; b=nKnwUW+ODKImfMaS+HQrnvNEyZvj4JFMXrS8bZ2Yj2CEkAWfRhNkOcAbSNZryzCV40 IEP3lXnGr0DPXlGGLhlUv9I9HMPS4JPnRE7WCrvUzpjlrtvyTGHZ21wStkG0XrDx2NMW UxP6Ekq10yozd0+HCZ2rraY2EqsiLLQf7nZUnVP6fq27YMRIRrL3OzLJnG1+wUA+pcXO vd6SaMDoFYSUNiRcyaZnRvWOhdHS3Y3Lw/f3oaqITRv1LXh3YNJumLBbszFEM4o6mo34 MaFYf2i0lX6QKtI2a/1XI8KLfwQUm79xAeSyNffz3LXeA1Otv48DStwIYBlBzvrjFvl2 oJGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701996781; x=1702601581; 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=V1r8ZXlyktFk/hR6LvKbeClNyv61T/bWHclepM8Rp88=; b=ltuMLv5RoapCmKZYNZehf0RHABdrv1wGLbPPrL6Pyjmr7oyh1yoRkJ6v1/hKVuL/GF sG/3/cMetMWrcKyw3+7R3DyThzXliIY9W3CQLnC/ODLCMABv6RSI2MU5oR9A7ujSeYRw d/lTgFfZMCgv6dhoW55j6kHXsGbyEIs+4ctHNqN7PTNFhn6mnpi0b6HzARvLCL86JI9r hpEiVv44FcP3uF6GsQbGGJiG0jK8A2uNhH0pw8AR1oTL1xEoqRgAD9CZ8I8Tzp/vW10H 7Z6+gahPOVlhij7QsC+BlcUX3vrKt0B9+sFsvIiHDJZ4SuhX4MFnDjsvZJnbrJrPRyys 58aQ== X-Gm-Message-State: AOJu0YxOIF7BJEf8Lmccl5zMrCmrEOYgSQ4TOZahxOackmsrjyMe3/4a sl0UnMab3Zk+OFN8sLRBeb9NRMr4+IrbKgW21w== X-Google-Smtp-Source: AGHT+IEj1VqfFnBiOaXdk3C7zQ8oyWSVZPqGPRw04iIGc/p6HTi+O3QytptJH8qJW9Cs/Vxkfvehw/gsxCl4ycls9Q== X-Received: from almasrymina.svl.corp.google.com ([2620:15c:2c4:200:f1cf:c733:235b:9fff]) (user=almasrymina job=sendgmr) by 2002:a25:cc4b:0:b0:db5:3bdf:ff55 with SMTP id l72-20020a25cc4b000000b00db53bdfff55mr39860ybf.6.1701996781080; Thu, 07 Dec 2023 16:53:01 -0800 (PST) Date: Thu, 7 Dec 2023 16:52:34 -0800 In-Reply-To: <20231208005250.2910004-1-almasrymina@google.com> Mime-Version: 1.0 References: <20231208005250.2910004-1-almasrymina@google.com> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog Message-ID: <20231208005250.2910004-4-almasrymina@google.com> Subject: [net-next v1 03/16] queue_api: define queue api From: Mina Almasry To: Shailend Chand , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@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 , Jeroen de Borst , Praveen Kaligineedi , Jesper Dangaard Brouer , Ilias Apalodimas , Arnd Bergmann , David Ahern , Willem de Bruijn , Shuah Khan , Sumit Semwal , "=?UTF-8?q?Christian=20K=C3=B6nig?=" , Yunsheng Lin , Harshitha Ramamurthy , Shakeel Butt Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 1b935ee341b4..316f7dee86ce 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1432,6 +1432,20 @@ 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); @@ -1673,6 +1687,16 @@ 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); }; =20 /** --=20 2.43.0.472.g3155946c3a-goog