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From: Olivier Matz <olivier.matz@6wind.com>
To: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: "johndale@cisco.com" <johndale@cisco.com>,
	"Zhang, Helin" <helin.zhang@intel.com>,
	"adrien.mazarguil@6wind.com" <adrien.mazarguil@6wind.com>,
	"rahul.lakkireddy@chelsio.com" <rahul.lakkireddy@chelsio.com>,
	"alejandro.lucero@netronome.com" <alejandro.lucero@netronome.com>,
	"sony.chacko@qlogic.com" <sony.chacko@qlogic.com>
Subject: Re: [dpdk-dev] [PATCH] mbuf: new flag when Vlan is stripped
Date: Mon, 23 May 2016 11:40:34 +0200	[thread overview]
Message-ID: <5742D012.6020501@6wind.com> (raw)
In-Reply-To: <2601191342CEEE43887BDE71AB97725836B5CAB4@irsmsx105.ger.corp.intel.com>



>>  static inline uint64_t
>> -rx_desc_status_to_pkt_flags(uint32_t rx_status)
>> +rx_desc_status_to_pkt_flags(uint32_t rx_status, uint8_t vlan_strip)
>>  {
>>  	uint64_t pkt_flags;
>> +	uint64_t vlan_flags;
>> +
>> +	/* if vlan is stripped, set the proper flag */
>> +	if (vlan_strip)
>> +		vlan_flags = PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED;
>> +	else
>> +		vlan_flags = PKT_RX_VLAN_PKT;
>>
>>  	/*
>>  	 * Check if VLAN present only.
>>  	 * Do not check whether L3/L4 rx checksum done by NIC or not,
>>  	 * That can be found from rte_eth_rxmode.hw_ip_checksum flag
>>  	 */
>> -	pkt_flags = (rx_status & IXGBE_RXD_STAT_VP) ?  PKT_RX_VLAN_PKT : 0;
>> +	pkt_flags = (rx_status & IXGBE_RXD_STAT_VP) ?  vlan_flags : 0;
> 
> 
> Instead of storing in rxq (and passing as a parameter) a bool value for vlan_strip (=on/off),
> you probably can store in rxq and pass as a parameter here uint64_t vlan_flags;
> Then it will be:
>  
> rx_desc_status_to_pkt_flags(uint32_t rx_status, uint64_t vlan_flags)
> {
>    ...
>    pkt_flags = (rx_status & IXGBE_RXD_STAT_VP) ?  vlan_flags : 0;
>    ...
> }
> 
> ...
> pkt_flags = rx_desc_status_to_pkt_flags(s[j], rxq->vlan_flags);
> 
> Might help to save few cycles here.

Yep, will do in v2.


Olivier

  reply	other threads:[~2016-05-23  9:40 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-21 23:36 [dpdk-dev] PKT_RX_VLAN_PKT when VLAN stripping is disabled John Daley (johndale)
2016-04-25 12:02 ` Ananyev, Konstantin
2016-04-25 13:50   ` Olivier Matz
2016-04-25 16:17     ` Ananyev, Konstantin
2016-04-26  0:16     ` John Daley (johndale)
2016-04-28 14:43       ` Olivier MATZ
2016-05-10 16:24         ` [dpdk-dev] [RFC] mbuf: new flag when vlan is stripped Olivier Matz
2016-05-12 20:36           ` John Daley (johndale)
2016-05-23  7:59             ` Olivier Matz
2016-05-23  8:46           ` [dpdk-dev] [PATCH] mbuf: new flag when Vlan " Olivier Matz
2016-05-23  8:59             ` Ananyev, Konstantin
2016-05-23  9:12               ` Olivier Matz
2016-05-23  9:23                 ` Ananyev, Konstantin
2016-05-23  9:38                   ` Olivier Matz
2016-05-23  9:20             ` Ananyev, Konstantin
2016-05-23  9:40               ` Olivier Matz [this message]
2016-05-27 14:33             ` [dpdk-dev] [PATCH v2] " Olivier Matz
2016-06-13 11:41               ` Olivier Matz
2016-06-13 14:42               ` Ananyev, Konstantin
2016-06-13 16:07                 ` Olivier Matz
2016-06-13 16:31                   ` Ananyev, Konstantin
2016-06-14  8:32                     ` Olivier MATZ
2016-06-14  9:15                       ` Ananyev, Konstantin
2016-06-14  9:34                         ` Olivier MATZ
2016-06-15 11:48               ` [dpdk-dev] [PATCH v3] " Olivier Matz
2016-06-15 12:33                 ` Ananyev, Konstantin
2016-06-15 15:20                   ` Thomas Monjalon

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