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From: "Liu, Jijiang" <jijiang.liu@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v6 5/9] librte_ether:add data structures of VxLAN filter
Date: Wed, 22 Oct 2014 02:25:50 +0000
Message-ID: <1ED644BD7E0A5F4091CF203DAFB8E4CC01D827DB@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <1893361.J7EnPDFulE@xps13>



> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> Sent: Tuesday, October 21, 2014 11:13 PM
> To: Liu, Jijiang
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v6 5/9] librte_ether:add data structures of
> VxLAN filter
> 
> 2014-10-21 16:46, Jijiang Liu:
> > +#define RTE_TUNNEL_FILTER_TO_QUEUE 1 /**< point to an queue by filter
> type */
> 
> Sorry, I don't understand what is this value for?
> 
> > +#define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \
> > +					ETH_TUNNEL_FILTER_IVLAN)
> > +#define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID
> (ETH_TUNNEL_FILTER_IMAC | \
> > +					ETH_TUNNEL_FILTER_IVLAN | \
> > +					ETH_TUNNEL_FILTER_TENID)
> > +#define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \
> > +					ETH_TUNNEL_FILTER_TENID)
> > +#define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC
> (ETH_TUNNEL_FILTER_OMAC | \
> > +					ETH_TUNNEL_FILTER_TENID | \
> > +					ETH_TUNNEL_FILTER_IMAC)
> 
> I thought you agree that these definitions are useless?
> 

Sorry, this MAY be  some misunderstanding, I don't think these definition are useless. I just thought change "uint16_t filter_type" is better than define "enum filter_type".

Let me explain here again.
The filter condition are: 
1.  inner MAC + inner VLAN
2. inner MAC + IVLAN + tenant ID
..
5. outer MAC + tenant ID + inner MAC

For each filter condition, we need to check if the mandatory parameters are valid by checking corresponding bit MASK.

An pseudo code example:

       Switch (filter_type)
       Case 1:  //inner MAC + inner VLAN
	If (filter_type & ETH_TUNNEL_FILTER_IMAC )
                            if   (IMAC==NULL)
                                      return -1;

       case 5: // outer MAC + tenant ID + inner MAC
            If (filter_type & ETH_TUNNEL_FILTER_IMAC )
                            if   (IMAC==NULL)
                                      return -1;
          
             If (filter_type & ETH_TUNNEL_FILTER_OMAC )
                            if   (IMAC==NULL)
                                      return -1;
   ......
 









> Thomas

  reply	other threads:[~2014-10-22  2:19 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-21  8:45 [dpdk-dev] [PATCH v6 0/9] Support VxLAN on Fortville Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 1/9] librte_mbuf:the rte_mbuf structure changes Jijiang Liu
2014-10-21 10:26   ` Thomas Monjalon
2014-10-21 14:14     ` Liu, Jijiang
2014-10-22  8:45       ` Thomas Monjalon
2014-10-22  8:53         ` Liu, Jijiang
2014-10-23  2:23         ` Zhang, Helin
2014-11-12 13:26           ` Thomas Monjalon
2014-11-12 14:31             ` Zhang, Helin
2014-11-12 15:23               ` Thomas Monjalon
2014-11-13  3:17             ` Liu, Jijiang
2014-11-13  8:53               ` Thomas Monjalon
2014-11-13 11:24                 ` Liu, Jijiang
2014-11-13 11:35                   ` Thomas Monjalon
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 2/9] librte_ether:add VxLAN packet identification API in librte_ether Jijiang Liu
2014-10-21 10:51   ` Thomas Monjalon
2014-10-21 13:48     ` Liu, Jijiang
2014-10-21 21:19       ` Thomas Monjalon
2014-10-22  1:46         ` Liu, Jijiang
2014-10-22  9:52           ` Thomas Monjalon
2014-10-22 12:47             ` Liu, Jijiang
2014-10-22 13:25               ` Thomas Monjalon
2014-10-22  5:21         ` Liu, Jijiang
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 3/9] i40e:support VxLAN packet identification in librte_pmd_i40e Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 4/9] app/test-pmd:test VxLAN packet identification Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 5/9] librte_ether:add data structures of VxLAN filter Jijiang Liu
2014-10-21 15:13   ` Thomas Monjalon
2014-10-22  2:25     ` Liu, Jijiang [this message]
2014-10-22  9:31       ` Thomas Monjalon
2014-10-22 11:03         ` Liu, Jijiang
2014-10-23  9:06           ` Chilikin, Andrey
2014-10-22  6:45     ` Liu, Jijiang
2014-10-22  9:25       ` Thomas Monjalon
2014-10-22 13:54         ` Liu, Jijiang
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 6/9] i40e:implement API of VxLAN packet filter in librte_pmd_i40e Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 7/9] app/testpmd:test VxLAN packet filter Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 8/9] i40e:support VxLAN Tx checksum offload Jijiang Liu
2014-10-21  8:46 ` [dpdk-dev] [PATCH v6 9/9] app/testpmd:test " Jijiang Liu
2014-10-21 14:54 ` [dpdk-dev] [PATCH v6 0/9] Support VxLAN on Fortville Liu, Yong

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