From mboxrd@z Thu Jan 1 00:00:00 1970 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 2D119C433F5 for ; Thu, 12 May 2022 07:04:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350659AbiELHD6 (ORCPT ); Thu, 12 May 2022 03:03:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350662AbiELHDx (ORCPT ); Thu, 12 May 2022 03:03:53 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC33D5BE62 for ; Thu, 12 May 2022 00:03:52 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id v11so3989977pff.6 for ; Thu, 12 May 2022 00:03:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=GABMqLgwWeu95XjH6vsgTOCkqRPeiyHXoqd4lJXLelU=; b=R7BFX2j8pjJphFcOM25mroNVwy8hbcaDkC+IRlAOq/my3lHRSi+5WzbrZ0Ko2uBBjf 6SzuRqVzThO/tWwIPtyb3fTHsapcvgUY6l65On8SMdJ5bDxfHUlVtlDKnygARKlI7s9R yUtSvFkn5XRwIR6c8Dvg3XB3HsQVIpqQkaXn+RYfKwG2HJzx8g/A57Y5oFZKipJJkVED J7IS7ux3wRphran0jmiS6IoyhhlGfuQmU+vnMNv/ewdsvdLzuSxt6JAUPBmIJvOvcJqg V/+uNMLikgz4mMciBO7mewDNH/mHzNTXJrXcQ7v3XB0npoZg1ejFogacgQExFfdvSMLh IpJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=GABMqLgwWeu95XjH6vsgTOCkqRPeiyHXoqd4lJXLelU=; b=H0FdF4ZR/XNekhCqlaQjzeXVn5+YxcOI5m85VBu62qdus8dMH3FCeruHOoE6m4U3XB fIE2w1iUzuisTTgxP9j23eoVRn2Z1fdfqqWS6TdDavxp5Ojc7vDZLc5oFMFpYbXQEmHF BvYgRrqVd60/v2+Tlp4zWJqY2fb+mLj56HiHCaWN5LhLNvbp1AjYgVSlxX15F+I64y3y DSEHo4dX4BfRSFp6UB+Sla8lrf9zWcKo2Xo58bXNsiVKTP8abLMTr/alYJ1vNSbSVqjH tn++FV2a24cJOJx8nA9hv9OHaO6b0/c7Knd8CqNZw/qD5g4Dgoi2EPedRi3MZIEJD4rg MpXQ== X-Gm-Message-State: AOAM530qqJQ9IH0tA1bTFKk1zBcjjctPTI84HjSL0c00mREt1Bqjvd2J XqEKlHExtO8zkDg87KcIRu3gyXK7cCKpSjNy1PI= X-Google-Smtp-Source: ABdhPJwRz3apZeksF+k0qHVHqwmDOi75ntv2t2D1Ebd83j+LBI7DdfGI7sULrBfIWNqXRQeSqP33Ng== X-Received: by 2002:a05:6a00:124f:b0:510:7d6d:ecb2 with SMTP id u15-20020a056a00124f00b005107d6decb2mr28413882pfi.82.1652339032279; Thu, 12 May 2022 00:03:52 -0700 (PDT) Received: from localhost.localdomain ([49.37.196.1]) by smtp.gmail.com with ESMTPSA id 9-20020a630009000000b003db072fd9adsm1043731pga.74.2022.05.12.00.03.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 00:03:51 -0700 (PDT) From: Saranya_PL To: netdev@vger.kernel.org Cc: Saranya_Panjarathina@dell.com, g_balaji1@dell.com, Saranya_PL Subject: [PATCH net-next] net: PIM register decapsulation and Forwarding. Date: Thu, 12 May 2022 00:01:38 -0700 Message-Id: <20220512070138.19170-1-plsaranya@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org PIM register packet is decapsulated but not forwarded in RP __pim_rcv decapsulates the PIM register packet and reinjects for forwarding after replacing the skb->dev to reg_dev (vif with VIFF_Register) Ideally the incoming device should be same as skb->dev where the original PIM register packet is received. mcache would not have reg_vif as IIF. Decapsulated packet forwarding is failing because of IIF mismatch. In RP for this S,G RPF interface would be skb->dev vif only, so that would be IIF for the cache entry. Signed-off-by: Saranya_PL --- net/ipv4/ipmr.c | 2 +- net/ipv6/ip6mr.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 13e6329784fb..7b9586335fb7 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -598,7 +598,7 @@ static int __pim_rcv(struct mr_table *mrt, struct sk_buff *skb, skb->protocol = htons(ETH_P_IP); skb->ip_summed = CHECKSUM_NONE; - skb_tunnel_rx(skb, reg_dev, dev_net(reg_dev)); + skb_tunnel_rx(skb, skb->dev, dev_net(skb->dev)); netif_rx(skb); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 4e74bc61a3db..147e29a818ca 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -566,7 +566,7 @@ static int pim6_rcv(struct sk_buff *skb) skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = CHECKSUM_NONE; - skb_tunnel_rx(skb, reg_dev, dev_net(reg_dev)); + skb_tunnel_rx(skb, skb->dev, net); netif_rx(skb); -- 2.20.1