From patchwork Wed Feb 12 16:43:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 13972108 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 25327243945 for ; Wed, 12 Feb 2025 16:43:25 +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=1739378607; cv=none; b=GV0nF/9j8OwM1xBzFzBQ8hqpYBxzLCItHuo6GWur/cD4MQa0YXiMHHNp0GBd28lQRNHn9x2CiQdoOI8sC4GIoD7keXm4k80GAQ1wnJmTp8/mSbNk+tVaLoOBaZKrAuPc2P3BjUVqFggKFDAii9TLyYCA+tnZ4zN1+vMB3wlDn7o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739378607; c=relaxed/simple; bh=ZLnMYDLCOWZLgLlUUVNj/Kugbl6UaOyZJtCl+eT1kuc=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=UvaxyW4REq47nfORB1pwo/AnAfRgiKIf78k79lqdiU4shhfdPWklgmOZVuafbfZ5/3ZVHiky7BW4QEbtiVkcMTNRLUxN1tGJ3rc9SRTNidT6iIPQSMMPPT3YYVWECBeWVroJyQTdSsmDH1qM7WJtYC7ZS5SL1k+/ujCSge9Zydc= 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=1eE4/wHy; 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="1eE4/wHy" Received: by mail-qt1-f201.google.com with SMTP id d75a77b69052e-4719a88385cso50031711cf.2 for ; Wed, 12 Feb 2025 08:43:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739378605; x=1739983405; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=ikFqcDgco3iJtU0bplnmMhcD+waGprtvHyGJfWxc04E=; b=1eE4/wHyz+ojMuspFywk7P2LbC2Nu5xQ1iFeMuGi+iRRg4ksWUjjFSWbKmgeWo+sZL Ai3zWDUKev6GrTsSh9OxGnxCMxFtUjD1fjXYPtVQkdcwbRhE6ZnNI6Q2ekmdpR47Olfw /8ygPBxtg2LdzBXnGnttau4EyUaNDUOImlBH+ei8lJtVhALZuRb8g+Qdh5xOJIrM/bUx RixgeAHOiAFrR+vutzfO7iXwyw8wYdv7h+PK89DtBVCmgEGyF6e46Lpip63Z1lBVAVyT Cl0hKfJiRxe9FKZscEpQ09q1W9yAAgHOzZa5eg5apEVhcxZTrbUA/7eDwPtqfeHuSr6s gHpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739378605; x=1739983405; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=ikFqcDgco3iJtU0bplnmMhcD+waGprtvHyGJfWxc04E=; b=M/zohrMRn385NzclX5+neKgy8zH5w/7ifAQxV6E+23lZqTU82ygqds6psKqxzL3HnH /DsxjnoonUSBNMuGMdlA8NaYikQndDGJ828l1IbfT/00oWVxk8Z6YFA2LWUVVV45Vq8t OS40EvXv1EAy56zHV1smAulP82cbjRTpWK+OUHGgmS7NaF3/ZE82j/k7Vs36lUAmcDb7 YiVXU2hACk9IF2ZSMNMXUUhUOGfTCcFwryWlcJ/OhxSQ5kGdnbK1LFypYdoCh9e4/e1V jABm91gn9yetqnuVS+00GygIDoe0zmyAd1gIs9xTBAS/e/QceVgbEC/byHYHBOMisOy7 k4pQ== X-Gm-Message-State: AOJu0YxXhWJ2xYl/o1xDI/ClloAUyBadLUr/J/6IotHGsD7rJojtTguQ 92i5xLQaqEmmeqp2PwO7wiCpwq5krsLm927uKX5Eb8FEd34C2IzXIPJ6+K7TJKxZX7wFlBdJjFG z2bdU5iFCiQ== X-Google-Smtp-Source: AGHT+IEBW7NTcqNjzIlEg+G1N7neNiSUmsZa7GkTcvijAIlvxUuX/bTELqqvv+dKWZT5Ntp22AzHcLBegPbg8A== X-Received: from qtbay29.prod.google.com ([2002:a05:622a:229d:b0:471:b323:1344]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:622a:4188:b0:461:169e:d2dc with SMTP id d75a77b69052e-471bedbc5f8mr673291cf.49.1739378605009; Wed, 12 Feb 2025 08:43:25 -0800 (PST) Date: Wed, 12 Feb 2025 16:43:21 +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 2.48.1.502.g6dc24dfdaf-goog Message-ID: <20250212164323.2183023-1-edumazet@google.com> Subject: [PATCH net-next 0/2] net: better support of blackholes From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, David Ahern , Paul Ripke , Simon Horman , eric.dumazet@gmail.com, Eric Dumazet X-Patchwork-Delegate: kuba@kernel.org First patch is adding a new drop_reason, for packets that are dropped by route blackhole. Second patch changes ipv6 to no longer report local errors for blackhole users. Eric Dumazet (2): net: dropreason: add SKB_DROP_REASON_BLACKHOLE ipv6: fix blackhole routes include/net/dropreason-core.h | 5 +++++ net/core/dst.c | 2 +- net/ipv6/route.c | 2 +- 3 files changed, 7 insertions(+), 2 deletions(-)