Re: [PATCH net-next 0/6] net: bcmgenet: add XDP support

[Nicolai Buchwitz <nb@tipi-net.de>]

On 14.3.2026 16:52, Jakub Kicinski wrote:
> On Fri, 13 Mar 2026 10:20:55 +0100 Nicolai Buchwitz wrote:
>> Add XDP support to the bcmgenet driver, covering XDP_PASS, XDP_DROP,
>> XDP_TX, XDP_REDIRECT, and ndo_xdp_xmit.
>> 
>> The first patch converts the RX path from the existing kmalloc-based
>> allocation to page_pool, which is a prerequisite for XDP. The 
>> remaining
>> patches incrementally add XDP functionality and per-action statistics.
>> 
>> Tested on Raspberry Pi CM4 (BCM2711, bcmgenet, 1Gbps link):
>> - XDP_PASS: 943 Mbit/s TX, 935 Mbit/s RX (no regression vs baseline)
>> - XDP_PASS latency: 0.164ms avg, 0% packet loss
>> - XDP_DROP: all inbound traffic blocked as expected
>> - XDP_TX: TX counter increments (packet reflection working)
>> - Link flap with XDP attached: no errors
>> - Program swap under iperf3 load: no errors
> 
> Have you had a chance to run the XDP tests from
> tools/testing/selftests/drivers/net/hw/
> ?

Not yet - thanks for the poibter. I will run it and include results in 
v2.

Nicolai