Public bug reported:
[Impact]
rx performance is sub-optimal with EVB-LAN7430 NICs.
[Test Case]
Use iperf3 to submit TCP or UDP traffic to a host w/ a EVB-LAN7430 NIC.
[Fix]
Cherry-pick the following upstream commit:
a1f1627540cde net: ethernet: microchip: lan743x: Increase rx ring size
to improve rx performance
[What could go wrong]
The patch will slightly increase memory usage, which could possibly add memory
pressure to memory-restricted systems.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Impish)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: Confirmed
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu Hirsute)
Status: New => Confirmed
** Changed in: linux (Ubuntu Impish)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1954833
Title:
net: ethernet: microchip: lan743x: Increase rx ring size to improve rx
performance
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