[USRP-users] X310 with DPDK
Marcus D. Leech
patchvonbraun at gmail.com
Tue Jul 21 12:00:06 EDT 2020
On 07/21/2020 10:53 AM, Carmichael, Ryan via USRP-users wrote:
> On the DPDK page (https://files.ettus.com/manual/page_dpdk.html) the
> following statement is made:
> “Device discovery via DPDK is not currently implemented, so the device
> args |mgmt_addr|, |addr|, and |second_addr| (if applicable) must all
> be specified at runtime. There is no mechanism for MPM's TCP/IP
> control traffic to flow over a link that is occupied by DPDK, so
> mgmt_addr must point to a link that is not used for CHDR, such as
> N310's RJ45 port.”
> I’ve been using the X310 without DPDK with dual 10Gb SPI/SFP+
> connections (192.168.30.2, 192.168.40.2). Once I start DPDK, ifconfig
> no longer shows the NICs at all, which I assume is what it is supposed
> to be doing. My question is, what is the ‘mgmt_addr’ ? I’ve never used
> it before when using the X310. And how do I make sure the mgmt_addr
> isn’t using a CHDR link? The X310 only has two RJ45s, right – and
> they’re both being used by DPDK.
/Actualy the X310 has two *SFP+* connections, and an RJ-45 connection.
Now, on yours, you may have put SFP+ to RJ-45 adaptors on, but
natively they're SFP+. The single RJ-45 connector is the
"management port"--which can also support data transfer at lower speeds.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the USRP-users