From patchwork Wed Feb 12 16:43:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Dumazet X-Patchwork-Id: 13972109 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-qv1-f73.google.com (mail-qv1-f73.google.com [209.85.219.73]) (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 9A603244E8F for ; Wed, 12 Feb 2025 16:43:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739378609; cv=none; b=BQRh6FtBjjetfIIrnk/w4WvH6ONWg5iCXey9IE8s5yn9o7z/DuzCMOfxDzDUTqbPjPjUEmsEJbvnosfzPKEgXpG+ywl0XdhcIqv/QffKVzk1nwc1CE2YKMm7cfdM1JtKpLGOSAVf4aJLrGBYytepZ1QXtUwC+XiqFmvtrvyDse0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739378609; c=relaxed/simple; bh=G/a8NyO5AHywpcFHLuNQpoO7JJ9ufPIHBMOF+2eAtV4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=oy8+JkVpnS69lrBRrz40B94I2tU/54vXn/EjHZ+WaPD7XF/eul0Fou3B3MHQrGHWvDdv0LRlO1x66l+CxkrWtdSimwhlXYD4aRKKqgqMZtmRAFekvL/7XOlTtg/mgUk3S1dqKZzRY/3mUReRapzHkT7FSVP73/4/384BQF8QKd8= 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=wFII7u2F; arc=none smtp.client-ip=209.85.219.73 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="wFII7u2F" Received: by mail-qv1-f73.google.com with SMTP id 6a1803df08f44-6e4565be110so44383896d6.2 for ; Wed, 12 Feb 2025 08:43:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739378606; x=1739983406; 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=ynBPjyNEjOvJrhbUFXKOP9BPboykJwFZaKw/XSCCEQ8=; b=wFII7u2FPyWTweAcmvfHFR3MVtDB7aefJ7m4riQqZ9sf04kIbvG3HRuwKX0Irh+PKk zexZiBA0b6GNNR5yIeQkkq1MBDt4GhEfFV09KfxtL2wo/o7bDMCmDLmxI8EgMltyys1a X6Pc+tbJB/xBOxvqI4aov8BK+0gQvgND4DPPur7rgK4OS7cyIcXbGmAx9YVnP80p23lb TjboWKOLbZbU1hMB9WqHGlFS+0g6r+HotLB01vYQcXRLq3iCjcS+UOb3Ds3Xdj5Nb9K/ i3XRwvBTrPgHcWLWnvg1GGjKsUCm7tz9AUgZHBkC+I6TuBo3yLQtNW0KaQMNCzVJyZ3f i0Nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739378606; x=1739983406; 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=ynBPjyNEjOvJrhbUFXKOP9BPboykJwFZaKw/XSCCEQ8=; b=T2FpNTtbXMVt+ZCOGEjS89G5QP2ES52QZ1v5bbreBfJ5bYRIODCkp37JpimfI7d9r5 gTIfZ2TzAtVBktZomQqBJ52m8RTWcHdhjzUG58cADgIiNr4YbnGEaY/PDDIKofHKGzdy /mgyCVU0hcmhDpMfRkDYnMl5XusM4GBg10j3h3qUsbDrWgyY2Xx9A1ceoVv30P5wZL9W XBqcO+Vr9CdZB5LVA5Ot78fO78dwmeuNwiTGSm0ojxjQUPwnrYuZG+F33Vo16we/GCAO guP+yzAvrB+VQzdfiUz+w5AZBHue7brEJ0wEHTh6IBCIT1N9AQmQd2FAmNp2doIOL/x3 xFCg== X-Gm-Message-State: AOJu0YzvhDnW8iYv95TAMgKSFdVD5CV9jgfF2X5BNN87K51IeyZlVEx+ muyM/jthM63OBuYfrQUyH/GeYgTvApeEyGysuh8e3h+Y3qpU/+7hOcwtjeYn3eW8jqyYG0S3Lw5 mdeUgmbGOpw== X-Google-Smtp-Source: AGHT+IGORnI4rAKBoEnUFIzhtTB0Z4URJ6XWddodDhFw5R7oOnUsizOtkEzGjBSTD2pGcWW7KUp8N1GjqEGEDQ== X-Received: from qvbpi8.prod.google.com ([2002:a05:6214:4a88:b0:6e4:2648:496e]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6214:2683:b0:6e4:2d22:a566 with SMTP id 6a1803df08f44-6e46ed82877mr56209456d6.12.1739378606433; Wed, 12 Feb 2025 08:43:26 -0800 (PST) Date: Wed, 12 Feb 2025 16:43:22 +0000 In-Reply-To: <20250212164323.2183023-1-edumazet@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250212164323.2183023-1-edumazet@google.com> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog Message-ID: <20250212164323.2183023-2-edumazet@google.com> Subject: [PATCH net-next 1/2] net: dropreason: add SKB_DROP_REASON_BLACKHOLE 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 Use this new drop reason from dst_discard_out(). Signed-off-by: Eric Dumazet Reviewed-by: David Ahern --- include/net/dropreason-core.h | 5 +++++ net/core/dst.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index 32a34dfe8cc58fb1afda8922a52249080f1183b5..de42577f16dd199790cea9ac07b326864f2103e3 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -117,6 +117,7 @@ FN(ARP_PVLAN_DISABLE) \ FN(MAC_IEEE_MAC_CONTROL) \ FN(BRIDGE_INGRESS_STP_STATE) \ + FN(BLACKHOLE) \ FNe(MAX) /** @@ -554,6 +555,10 @@ enum skb_drop_reason { * ingress bridge port does not allow frames to be forwarded. */ SKB_DROP_REASON_BRIDGE_INGRESS_STP_STATE, + /** + * @SKB_DROP_REASON_BLACKHOLE: blackhole route. + */ + SKB_DROP_REASON_BLACKHOLE, /** * @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which * shouldn't be used as a real 'reason' - only for tracing code gen diff --git a/net/core/dst.c b/net/core/dst.c index 9552a90d4772dce49b5fe94d2f1d8da6979d9908..0cbbad4d7c07fa397f66a2d252a636f90dafddee 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -29,7 +29,7 @@ int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb) { - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_BLACKHOLE); return 0; } EXPORT_SYMBOL(dst_discard_out);