From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net v2 0/4] net: add and use rx_nohandler stat counter Date: Fri, 29 Jan 2016 19:37:51 -0800 (PST) Message-ID: <20160129.193751.27856238718097733.davem@davemloft.net> References: <1453489882-57948-1-git-send-email-jarod@redhat.com> <1453996188-29965-1-git-send-email-jarod@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, edumazet@google.com, jiri@mellanox.com, daniel@iogearbox.net, tom@herbertland.com, j.vosburgh@gmail.com, vfalico@gmail.com, gospo@cumulusnetworks.com, netdev@vger.kernel.org To: jarod@redhat.com Return-path: In-Reply-To: <1453996188-29965-1-git-send-email-jarod@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Jarod Wilson Date: Thu, 28 Jan 2016 10:49:44 -0500 > The network core tries to keep track of dropped packets, but some packets > you wouldn't really call dropped, so much as intentionally ignored, under > certain circumstances. One such case is that of bonding and team device > slaves that are currently inactive. Their respective rx_handler functions > return RX_HANDLER_EXACT (the only places in the kernel that return that), > which ends up tracking into the network core's __netif_receive_skb_core() > function's drop path, with no pt_prev set. On a noisy network, this can > result in a very rapidly incrementing rx_dropped counter, not only on the > inactive slave(s), but also on the master device, such as the following: ... Both my inbox and patchwork only show patch 2, 3, and 4. Where is #1? Thanks.