From: Jakub Kicinski <kuba@kernel.org>
To: Nicolai Buchwitz <nb@tipi-net.de>
Cc: "Andrew Lunn" <andrew+netdev@lunn.ch>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Paolo Abeni" <pabeni@redhat.com>,
"Doug Berger" <opendmb@gmail.com>,
"Florian Fainelli" <florian.fainelli@broadcom.com>,
"Broadcom internal kernel review list"
<bcm-kernel-feedback-list@broadcom.com>,
"Vikas Gupta" <vikas.gupta@broadcom.com>,
"Bhargava Marreddy" <bhargava.marreddy@broadcom.com>,
"Rajashekar Hudumula" <rajashekar.hudumula@broadcom.com>,
"Eric Biggers" <ebiggers@kernel.org>,
"Heiner Kallweit" <hkallweit1@gmail.com>,
"Markus Blöchl" <mbloch@rooftopnetworks.de>,
"Arnd Bergmann" <arnd@arndb.de>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 0/6] net: bcmgenet: add XDP support
Date: Sat, 14 Mar 2026 08:52:32 -0700 [thread overview]
Message-ID: <20260314085232.089ea669@kernel.org> (raw)
In-Reply-To: <20260313092101.1344954-1-nb@tipi-net.de>
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/
?
next prev parent reply other threads:[~2026-03-14 15:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-13 9:20 [PATCH net-next 0/6] net: bcmgenet: add XDP support Nicolai Buchwitz
2026-03-13 9:20 ` [PATCH net-next 1/6] net: bcmgenet: convert RX path to page_pool Nicolai Buchwitz
2026-03-13 9:20 ` [PATCH net-next 2/6] net: bcmgenet: register xdp_rxq_info for each RX ring Nicolai Buchwitz
2026-03-13 9:20 ` [PATCH net-next 3/6] net: bcmgenet: add basic XDP support (PASS/DROP) Nicolai Buchwitz
2026-03-13 22:48 ` Florian Fainelli
2026-03-14 19:48 ` Nicolai Buchwitz
2026-03-13 9:20 ` [PATCH net-next 4/6] net: bcmgenet: add XDP_TX support Nicolai Buchwitz
2026-03-13 11:37 ` Subbaraya Sundeep
2026-03-13 12:45 ` Nicolai Buchwitz
2026-03-13 9:21 ` [PATCH net-next 5/6] net: bcmgenet: add XDP_REDIRECT and ndo_xdp_xmit support Nicolai Buchwitz
2026-03-13 9:21 ` [PATCH net-next 6/6] net: bcmgenet: add XDP statistics counters Nicolai Buchwitz
2026-03-13 23:01 ` [PATCH net-next 0/6] net: bcmgenet: add XDP support Florian Fainelli
2026-03-14 0:13 ` Florian Fainelli
2026-03-14 19:51 ` Nicolai Buchwitz
2026-03-14 15:52 ` Jakub Kicinski [this message]
2026-03-14 19:52 ` Nicolai Buchwitz
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