* [dpdk-users] Length of the Packet
@ 2016-12-20 11:35 Kumaraparameshwaran Rathnavel
2016-12-20 13:59 ` SAKTHIVEL ANAND S
0 siblings, 1 reply; 2+ messages in thread
From: Kumaraparameshwaran Rathnavel @ 2016-12-20 11:35 UTC (permalink / raw)
To: users
Hi All,
I am sending a packet of length 2048 bytes. At the receiver side I see that I get 1928 Bytes of Data Length which is 128 Bytes lesser and 2048 as packet length. So i just want to know why is the difference between packet length and data length.
Thanking You,
Param.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dpdk-users] Length of the Packet
2016-12-20 11:35 [dpdk-users] Length of the Packet Kumaraparameshwaran Rathnavel
@ 2016-12-20 13:59 ` SAKTHIVEL ANAND S
0 siblings, 0 replies; 2+ messages in thread
From: SAKTHIVEL ANAND S @ 2016-12-20 13:59 UTC (permalink / raw)
To: Kumaraparameshwaran Rathnavel; +Cc: users
DPDK will store jumbo frames into multi mbufs.
Data len = packet_data_size in a single mbuf,
mean while, packet len = datalen1+datalen2+datalen3+...+datalenN
please check DPDK programmer documentation, about the chapter : mbuf library
On Tue, Dec 20, 2016 at 5:05 PM, Kumaraparameshwaran Rathnavel <
krath@cloudsimple.com> wrote:
> Hi All,
>
> I am sending a packet of length 2048 bytes. At the receiver side I see
> that I get 1928 Bytes of Data Length which is 128 Bytes lesser and 2048 as
> packet length. So i just want to know why is the difference between packet
> length and data length.
>
> Thanking You,
> Param.
--
Thanks
Sakthivel S OM
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