* [dpdk-dev] 2.5 Gbps and 5 Gbps support in ixgbe PMD for X550
@ 2017-05-26 0:30 Roberts, Lee A.
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From: Roberts, Lee A. @ 2017-05-26 0:30 UTC (permalink / raw)
To: dev
This is a request for 2.5 Gbps and 5 Gbps support in the ixgbe PMD for the X550 adapter.
Support of these 2.5GBASE-T and 5GBASE-T speeds may be useful for networking applications
using existing CAT 5e/CAT 6 cables at lengths up to 100 m.
The ixgbe base driver in dpdk-17.05/drivers/net/ixgbe/base appears to include support for
2.5 Gbps and 5 Gbps speeds. However, the ixgbe PMD in dpdk-17.05/drivers/net/ixgbe does not.
Testing with "l2fwd" in DPDK 17.05 demonstrates that the ixgbe PMD can successfully establish
link on ports at 1 Gbps and 10 Gbps, using remote switch port speed to select the link rate.
When the link rate is set to 2.5 Gbps or 5 Gbps, the "l2fwd" application is unable to establish
link up.
- Lee Roberts
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