From nobody Tue Feb 10 03:37:36 2026 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 711E1EB64DD for ; Tue, 8 Aug 2023 03:22:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231426AbjHHDWK (ORCPT ); Mon, 7 Aug 2023 23:22:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231204AbjHHDV2 (ORCPT ); Mon, 7 Aug 2023 23:21:28 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 96B821BF5 for ; Mon, 7 Aug 2023 20:21:12 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1bba04b9df3so45869755ad.0 for ; Mon, 07 Aug 2023 20:21:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1691464872; x=1692069672; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vNrm/+UjyC6jP3361KhAbnju37DBvc3v6PBY22LsM1M=; b=khfL3k+d/CGznwaO5bu9+cRGuRQ6fYxlH9gn4KFfrTBbf9tNYQ6PkS2QLz2ndsXr7u ZZFyAYrq4pkWZ2egL0T8+F1oRE2BdqG2AchQKzk5rpmHiJn7brKTCQ8ATfQT7sFIWFge +wJcsLzJca4mkXRRBfJXZfKyNTBPlv+eL9czPa03R4sohsTcUYnfsQxbhSXxU25FemRt iejLrUhpyeo72CMnzwLsp9SuIrXP3m4KaE4DHI1lDQX6YY5lFuWPo3Vo9fSW3SuO+lAg gxB6SIK1coQKqnReEqyCG/Z1l38wetEMXmr5Avzcf+u4KBASxQT7KEpJWvcaZOhS10vC fb8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691464872; x=1692069672; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vNrm/+UjyC6jP3361KhAbnju37DBvc3v6PBY22LsM1M=; b=IL9/TDscc15cJUqsiI109PGIQxKuybvEbLZxx4RtkUSaieN6R9mWBk7sP0IgmAmRl5 3i8pyr0wcwFCFoj/e/H3a9HXmjJ63PN0FQoBv3xTecfjI+SzEfzuoL1apXQAfPpTCDxq z01oT9dta/a4/80/2icWLgNVmujoDpG5UVhe4NrccWIzQMjPMILgKnbqVc1hb0i78fqk oz/IEYSi2ZgHJoKn/Trutlth6rrezWn0L5qq+LkBc5rQRc5Cvzy/hPR3w4CGs3CLBEDP YJHRIBdmSNv1reZU2EOoNlQ6PdFMTl8Hs3auY70RSw8MaFqo48uFE/EnZVaz1OU2Los7 e9Vg== X-Gm-Message-State: AOJu0YwxrylECoJ+mGIpZG5Fy0qriRSCJEKqRe1yliGlX38shn51NUyI OQ62vP7UEWWJmWbVjMWPrnKRvQ== X-Google-Smtp-Source: AGHT+IEf+1UGY33nl/NwIi62HwrnmxDbqQr/9EwPpV2GjIISAPneNKJbTvSnXmVCy/syiT18tgdayw== X-Received: by 2002:a17:902:6909:b0:1b8:9461:6729 with SMTP id j9-20020a170902690900b001b894616729mr10585584plk.2.1691464871774; Mon, 07 Aug 2023 20:21:11 -0700 (PDT) Received: from C02FG34NMD6R.bytedance.net ([2408:8656:30f8:e020::b]) by smtp.gmail.com with ESMTPSA id 13-20020a170902c10d00b001b896686c78sm7675800pli.66.2023.08.07.20.21.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 20:21:11 -0700 (PDT) From: Albert Huang To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: Albert Huang , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , Pavel Begunkov , Yunsheng Lin , Kees Cook , Richard Gobert , "open list:NETWORKING DRIVERS" , open list , "open list:XDP (eXpress Data Path)" Subject: [RFC v3 Optimizing veth xsk performance 7/9] sk_buff: add destructor_arg_xsk_pool for zero copy Date: Tue, 8 Aug 2023 11:19:11 +0800 Message-Id: <20230808031913.46965-8-huangjie.albert@bytedance.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) In-Reply-To: <20230808031913.46965-1-huangjie.albert@bytedance.com> References: <20230808031913.46965-1-huangjie.albert@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" this member is add for dummy dev to suppot zero copy Signed-off-by: Albert Huang --- include/linux/skbuff.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 16a49ba534e4..db999056022e 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -592,6 +592,8 @@ struct skb_shared_info { /* Intermediate layers must ensure that destructor_arg * remains valid until skb destructor */ void * destructor_arg; + /* just for dummy device xsk zero copy */ + void *destructor_arg_xsk_pool; =20 /* must be last field, see pskb_expand_head() */ skb_frag_t frags[MAX_SKB_FRAGS]; --=20 2.20.1