[ovs-git] [openvswitch/ovs] f56347: ofproto-dpif-xlate: Fix packet_in reason for Table...
noreply at github.com
Fri Jul 6 20:10:18 UTC 2018
Author: Keshav Gupta <keshav.gupta at ericsson.com>
Date: 2018-07-06 (Fri, 06 Jul 2018)
ofproto-dpif-xlate: Fix packet_in reason for Table-miss rule
Currently in OvS if we hit "Table-miss" rules (associated with Controller
action) then we send PACKET_IN message to controller with reason as
“Table-miss” rule is one whose priority is 0 and its catch all rule.
But if we hit same "Table-miss" rule after executing group entry we will
send the reason as OFPR_ACTION (for OF1.3 and below) and OFPR_GROUP
(for OF1.4 and above).
This is because once we execute group entry we set ctx->in_group and later
when we hit the "Table-miss" rule, Since ctx->in_group is set we send
reason as OFPR_ACTION (for OF1.3) and OFPR_GROUP (for OF1.4 and above).
For eg: for the following pipeline, we will send the reason as OFPR_ACTION
even if we hit The “Table-miss” rule.
cookie=0x8000000, duration=761.189s, table=0, n_packets=1401, n_bytes=67954,
cookie=0x6800001, duration=768.848s, table=17, n_packets=1418, n_bytes=68776,
cookie=0x6800000, duration=24944.312s, table=60, n_packets=58244,
n_bytes=2519520, priority=0 actions=resubmit(,17)
cookie=0x8040000, duration=785.733s, table=17, n_packets=1450, n_bytes=69724,
cookie=0x822002d, duration=24960.795s, table=43, n_packets=53097,
n_bytes=2230074, priority=100,arp,arp_op=1 actions=group:6000
cookie=0x8500000, duration=24977.323s, table=48, n_packets=58309, n_bytes=2522634,
cookie=0x8050000, duration=24984.679s, table=50, n_packets=6, n_bytes=264,
Currently we are sending table_id as 50 and packet_in reason as OFPR_ACTION.
Instead of sending packet_in reason as OFPR_NO_MATCH.
Signed-off-by: Keshav Gupta <keshav.gupta at ericsson.com>
Co-authored-by: Rohith Basavaraja <rohith.basavaraja at gmail.com>
Signed-off-by: Rohith Basavaraja <rohith.basavaraja at gmail.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>
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