[ovs-discuss] IGMP packets leads to error in ovs log

王志克 wangzhike at jd.com
Thu Jan 31 02:11:27 UTC 2019


Hi Ben and All,

I am trying OVS2.10.1 and notice below error in ovs log file.

ovs-vswitchd: ovs|00768|odp_util(handler4)|ERR|internal error parsing flow key recirc_id(0),dp_hash(0),skb_priority(0),in_port(79),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),eth(src=fa:16:3e:f6:0e:b9,dst=01:00:5e:00:00:16),eth_type(0x0800),ipv4(src=10.0.0.98,dst=224.0.0.22,proto=2,tos=0,ttl=1,frag=no)

I went through the commit, and seems some strict check was introduced by below commit. So question: is it expected to have such error log for IGMP packet?

commit c645550bb2498fb3816b6a39b22bffeb3154dca3
Author: Ben Pfaff <blp at ovn.org>
Date:   Wed Jan 24 11:40:20 2018 -0800

    odp-util: Always report ODP_FIT_TOO_LITTLE for IGMP.

    OVS datapaths don't understand or parse IGMP fields, but OVS userspace
    does, so this commit updates odp_flow_key_to_flow() to report that properly
    to the caller.

    Reported-by: Huanle Han <hanxueluo at gmail.com>
    Reported-at: https://mail.openvswitch.org/pipermail/ovs-dev/2018-January/343665.html
    Signed-off-by: Ben Pfaff <blp at ovn.org>

Br,
Zhike Wang
JDCloud, Product Development, IaaS
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