Hi Kai Ma,
the file utilities/ovs-ofctl.c contains the code to manage add-flow and
all other similar ovs-ofctl commands.
struct ovs_cmdl_command all_commands[]
lists the implemented commands
{ "show", "switch", ...
{ "dump-flows", "switch", ...
...
with some info on the syntax + the function
that executes the command itself.
For add-flow
{ "add-flow", "switch flow", 2, 2, ofctl_add_flow },
So ofctl_add_flow() is a starting point to have a look at.
Basically the arguments are parsed by parse_ofp_flow_mod_str()
and the request is formatted into a list.
transact_multiple_noreply() calls functions into lib/vconn.c
up to vconn_send_block().
Hope that helps,
Antonio
> -----Original Message-----
> From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of
> Kai Ma (kaima)
> Sent: Friday, June 3, 2016 9:25 AM
> To: discuss@openvswitch.org
> Subject: [ovs-discuss] which API handle add-flow finally to configure
> ASIC
>
> Dear all,
>
> I want to porting OVS to ASIC basd switch,
> When configure flow to OVS, I found ovs-ofctl and controller will
> configure ovs in different channel.
>
> I am wondering which c file and which API handle add-flow finally to
> configure ASIC?
> Please advise, thanks
>
> Regards
> Kai Ma
>
> On 6/3/16, 4:16 PM, "discuss on behalf of discuss-
> requ...@openvswitch.org"
> <discuss-boun...@openvswitch.org on behalf of
> discuss-requ...@openvswitch.org> wrote:
>
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> >Today's Topics:
> >
> > 1. Re: Packet-in event (Fischetti, Antonio)
> >
> >
> >--------------------------------------------------------------------
> --
> >
> >Message: 1
> >Date: Fri, 3 Jun 2016 08:16:05 +0000
> >From: "Fischetti, Antonio" <antonio.fische...@intel.com>
> >To: Adonis Congaro <5667gar...@gmail.com>, "discuss@openvswitch.org"
> > <discuss@openvswitch.org>
> >Subject: Re: [ovs-discuss] Packet-in event
> >Message-ID:
> >
> <bcfd2bb875535045a5368d9adbf2969909d22...@irsmsx101.ger.corp.in
> tel.com>
> >
> >Content-Type: text/plain; charset="utf-8"
> >
> >Referring to OVS in userspace, the function
> dp_netdev_process_rxq_port()
> >calls
> >netdev_rxq_recv()
> >which, depending on the type of interface, will call the specific
> >function,
> >eg
> >for a dpdk IF it will call dp_netdev_process_rxq_port()
> >for an internal interface it calls netdev_linux_rxq_recv().
> >Then
> >dp_netdev_input()
> >will process the received packet: decode, match against emc,Š
> >
> >Antonio
> >
> >From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of
> >Adonis Congaro
> >Sent: Tuesday, May 31, 2016 11:13 AM
> >To: discuss@openvswitch.org
> >Subject: [ovs-discuss] Packet-in event
> >
> >Hi
> >
> >I'm trying to understand the caching system in ovs, and I'm
> wondering
> >where is the function that handle first packet-in event in the
> source
> >code?
> >
> >Many thanks
> >Ado
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