Messages in this thread | | | Date | Sat, 30 Jun 2018 18:44:06 +0900 (KST) | Subject | Re: [PATCH v2 net-next] tcp: add new SNMP counter for drops when try to queue in rcv queue | From | David Miller <> |
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From: Yafang Shao <laoar.shao@gmail.com> Date: Thu, 28 Jun 2018 00:22:56 -0400
> When sk_rmem_alloc is larger than the receive buffer and we can't > schedule more memory for it, the skb will be dropped. > > In above situation, if this skb is put into the ofo queue, > LINUX_MIB_TCPOFODROP is incremented to track it. > > While if this skb is put into the receive queue, there's no record. > So a new SNMP counter is introduced to track this behavior. > > LINUX_MIB_TCPRCVQDROP: Number of packets meant to be queued in rcv queue > but dropped because socket rcvbuf limit hit. > > Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Applied to net-next.
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