From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qt1-f201.google.com (mail-qt1-f201.google.com [209.85.160.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C79A3264EF for ; Tue, 24 Mar 2026 14:26:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774362361; cv=none; b=mq7dzmNZY7NM4r19ujpTFnDUgCZEmrsBGeGtkTQ4S/ExPmgjXAsFhjchmSwkxQwYUKUgXwWI0PgbJQuPXnsF2wqC0s/m1A6jwFWT9WuwBHvr/DV2z6Mw0ua/gdccyeX8lcAmZh/zwRL5c8hM4KS4cvgklKUa97OaK+7Sv2rS27A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774362361; c=relaxed/simple; bh=nkJRi/2RaO1u2a76idXnMHtRQAypno49EMz1ZDVNiII=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=kuvxdZdFuHXOueon88yVR3Ydtlg12zVJgyTzdHMVGK8Qi04tt0VV9M0DSDB2ZeTjtWIZEv+JjIoLTx1qutk+XrhHT4IIDu5oRPP/tInkCN7X/+BwMGiBUOxTVcAKKDVx2zagDuJt/kIp+XOTVPFN60k++qa9jMQDx9ZAoWoXC+4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=RdNeJZkf; arc=none smtp.client-ip=209.85.160.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="RdNeJZkf" Received: by mail-qt1-f201.google.com with SMTP id d75a77b69052e-50b4b81c632so45566171cf.1 for ; Tue, 24 Mar 2026 07:26:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1774362359; x=1774967159; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=/GbtZ3A7i3xEzpwBud3/WfNQ9mAY8HVGXdIOWD/OqsA=; b=RdNeJZkf3qM8iR4Ucr/4Q41AZbMiviTOwcgK1tAu2vLzvut5cNfm2Sznu9HORZVKcE S3D88Eoa1e95dmNTA8AOl+FaRxRkSzBoQcT5sSZ2HWiwpm0QvSvcCY1fvZXueXIBZYBz mhFJit9wVtWCeJPPvgTCAsYqcu8589YzFt5Nx06v1CCVzFTi0GsEdbSoce6+m0IqgWo2 aCNQb6mkxPwLuL7PeImvboFLRbATsmd0qoZF+8mkjqrPYRcGyMXZiEmiZFmWo2/Zaz9d NVS0qV38fmBS6T1atTSaF16ZRwr4bLtTWIPIYeIQWPSn1LChexrk2VhsfIZBvp77jHj7 rycw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774362359; x=1774967159; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=/GbtZ3A7i3xEzpwBud3/WfNQ9mAY8HVGXdIOWD/OqsA=; b=T1cuF1vnvDzExY6ZVMyGomNVrEo7DaYf1ZVudboAAazCeP44qy6RchLYOOw5GEqZ+S tSebhgbJBOEWMlUDH5zc1XCccUX0WNC5Gb7BdiWpBBLp6Mpv3duoy5XmRg35hSTw6LGB HwVJfBzg8+tW67AjSC1R3TRyROZsHtkmJnkawrU/uP0rl5lABcftPRhiv5p4fTDDvgL2 BkXQKlQan25mv36vxyHuJpLChO1ZI8ZvBFXXYPJjuQSFvaFU6VhVcG0pZmkgwp5uDW93 BGkPQABGZq64hITd5Y335jiSCmGY/9UNK7CH7uhRytcmPP3TX7p6nBDcv2ljG/cMWrs0 Btkw== X-Forwarded-Encrypted: i=1; AJvYcCUgAAwm56PdDxmA4BGkalVBR5m0VEdIcTOaGQHlSeGTEvKPC4Pi5ilZrjBGnKnCbgdjP4RsdzE=@vger.kernel.org X-Gm-Message-State: AOJu0Yx/UV3NNfqf5ac21990E0ZSG5U+AygNms1K1LVjmHNt3vpBZEbl tRt0EEK6cy4eJ90yQrx4a1NSE7pvDa2355C99k4FkhgbVXsiF/3xEYixrxhJixLLT+oLiSvGaoH Me4CmJ9zeVZuQ4w== X-Received: from qtbdn5.prod.google.com ([2002:a05:622a:4705:b0:509:7a:945b]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:ac8:590e:0:b0:509:329e:bd5 with SMTP id d75a77b69052e-50b3739f870mr244072621cf.3.1774362359126; Tue, 24 Mar 2026 07:25:59 -0700 (PDT) Date: Tue, 24 Mar 2026 14:25:56 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.53.0.983.g0bb29b3bc5-goog Message-ID: <20260324142556.1844523-1-edumazet@google.com> Subject: [PATCH net-next] selftests/net: packetdrill: add CONFIG_MAX_SKB_FRAGS=17 From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Neal Cardwell , Kuniyuki Iwashima , Willem de Bruijn , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" Before adding tests about RWIN, enforce the default linux value for the number of fragments per skb. With 17 fragments, sizeof(skb_shared_info) == 320. With 45 fragments, sizeof(skb_shared_info) == 768. Signed-off-by: Eric Dumazet --- tools/testing/selftests/net/packetdrill/config | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/net/packetdrill/config b/tools/testing/selftests/net/packetdrill/config index c4a19a78552111df690d2c97c0f3a8abe2176ada..8c739db4752c3abaaa8862ea2aeb661a2d5f0575 100644 --- a/tools/testing/selftests/net/packetdrill/config +++ b/tools/testing/selftests/net/packetdrill/config @@ -1,6 +1,7 @@ CONFIG_HZ=1000 CONFIG_HZ_1000=y CONFIG_IPV6=y +CONFIG_MAX_SKB_FRAGS=17 CONFIG_NET_NS=y CONFIG_NET_SCH_FIFO=y CONFIG_NET_SCH_FQ=y -- 2.53.0.983.g0bb29b3bc5-goog