[ovs-discuss] question about xlate

[ychen]

hi,
when I am reading openvswitch code, there are some codes puzzled me, can you give some help?
1. in function read_upcalls(), we use xlate_receive() to retrieve the flow from dupcall->key,
but why we still need flow_extract(packet, &md, &miss->flow) to retrieve flow?
can we just use xlate_receive() to store information in miss->flow?


2. we already have struct ofport_dpif, why we still need struct xport, stuct xbridge and struct xbundle?
what's the difference between them?
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[Padma Jayasankar]

Hi,
How an op,envswitch identify the link failure?If link failure detection
is set to 'carrier",how will it identify the link failure.Please clarify

Regards,
Padma V

Post by ychen
hi,
when I am reading openvswitch code, there are some codes puzzled me,
can you give some help?
1. in function read_upcalls(), we use xlate_receive() to retrieve the
flow from dupcall->key,
but why we still need flow_extract(packet, &md, &miss->flow) to retrieve flow?
can we just use xlate_receive() to store information in miss->flow?
2. we already have struct ofport_dpif, why we still need struct xport,
stuct xbridge and struct xbundle?
what's the difference between them?
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