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[144.49.247.117]) by smtp-relay.gmail.com with ESMTPS id d9443c01a7336-2aece81cc9fsm4119945ad.50.2026.03.13.17.13.30 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Mar 2026 17:13:30 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-8cd7d4cc049so2735465885a.0 for ; Fri, 13 Mar 2026 17:13:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1773447209; x=1774052009; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=hcmI79LUGb4F4pYtHY9fjav81qn2V8ZW+5bs35sjg0o=; b=DsY1vZSgmcnD2nzz/Spf52rIRfuf1MKGRWL7EAJ57Ukk3qyGx1Y5gcWkLpn86dk68+ eVluK4iO/J9SDACSof90jgUEKkBFTByKjLE/7Q2t3+05sVlha6u5DhCjTTXTyWeRtktz TwAJvrgZxQmtBluAzjYTf+tiRK0LCkzpNnXUg= X-Forwarded-Encrypted: i=1; AJvYcCXn13hale8tA9Q4e7zvPyvYVPQZUX/jDKAHDKmGPuECQ7Gj6OZ5N8X5FkVenmyzka3coJcWD2A=@vger.kernel.org X-Received: by 2002:a05:620a:29cd:b0:8cb:4059:a908 with SMTP id af79cd13be357-8cdb5a7e4c7mr781020885a.22.1773447209456; Fri, 13 Mar 2026 17:13:29 -0700 (PDT) X-Received: by 2002:a05:620a:29cd:b0:8cb:4059:a908 with SMTP id af79cd13be357-8cdb5a7e4c7mr781018885a.22.1773447209050; Fri, 13 Mar 2026 17:13:29 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cda21100cfsm678567385a.24.2026.03.13.17.13.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Mar 2026 17:13:28 -0700 (PDT) Message-ID: <0b72dcba-f41b-413d-8673-97ccccab2262@broadcom.com> Date: Fri, 13 Mar 2026 17:13:26 -0700 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 0/6] net: bcmgenet: add XDP support From: Florian Fainelli To: Nicolai Buchwitz , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Doug Berger Cc: Broadcom internal kernel review list , Vikas Gupta , Bhargava Marreddy , Rajashekar Hudumula , Eric Biggers , Heiner Kallweit , =?UTF-8?Q?Markus_Bl=C3=B6chl?= , Arnd Bergmann , netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260313092101.1344954-1-nb@tipi-net.de> Content-Language: en-US, fr-FR Autocrypt: addr=florian.fainelli@broadcom.com; keydata= xsBNBFPAG8ABCAC3EO02urEwipgbUNJ1r6oI2Vr/+uE389lSEShN2PmL3MVnzhViSAtrYxeT M0Txqn1tOWoIc4QUl6Ggqf5KP6FoRkCrgMMTnUAINsINYXK+3OLe7HjP10h2jDRX4Ajs4Ghs JrZOBru6rH0YrgAhr6O5gG7NE1jhly+EsOa2MpwOiXO4DE/YKZGuVe6Bh87WqmILs9KvnNrQ PcycQnYKTVpqE95d4M824M5cuRB6D1GrYovCsjA9uxo22kPdOoQRAu5gBBn3AdtALFyQj9DQ KQuc39/i/Kt6XLZ/RsBc6qLs+p+JnEuPJngTSfWvzGjpx0nkwCMi4yBb+xk7Hki4kEslABEB AAHNMEZsb3JpYW4gRmFpbmVsbGkgPGZsb3JpYW4uZmFpbmVsbGlAYnJvYWRjb20uY29tPsLB IQQQAQgAywUCZWl41AUJI+Jo+hcKAAG/SMv+fS3xUQWa0NryPuoRGjsA3SAUAAAAAAAWAAFr ZXktdXNhZ2UtbWFza0BwZ3AuY29tjDAUgAAAAAAgAAdwcmVmZXJyZWQtZW1haWwtZW5jb2Rp bmdAcGdwLmNvbXBncG1pbWUICwkIBwMCAQoFF4AAAAAZGGxkYXA6Ly9rZXlzLmJyb2FkY29t Lm5ldAUbAwAAAAMWAgEFHgEAAAAEFQgJChYhBNXZKpfnkVze1+R8aIExtcQpvGagAAoJEIEx tcQpvGagWPEH/2l0DNr9QkTwJUxOoP9wgHfmVhqc0ZlDsBFv91I3BbhGKI5UATbipKNqG13Z TsBrJHcrnCqnTRS+8n9/myOF0ng2A4YT0EJnayzHugXm+hrkO5O9UEPJ8a+0553VqyoFhHqA zjxj8fUu1px5cbb4R9G4UAySqyeLLeqnYLCKb4+GklGSBGsLMYvLmIDNYlkhMdnnzsSUAS61 WJYW6jjnzMwuKJ0ZHv7xZvSHyhIsFRiYiEs44kiYjbUUMcXor/uLEuTIazGrE3MahuGdjpT2 IOjoMiTsbMc0yfhHp6G/2E769oDXMVxCCbMVpA+LUtVIQEA+8Zr6mX0Yk4nDS7OiBlvOwE0E U8AbwQEIAKxr71oqe+0+MYCc7WafWEcpQHFUwvYLcdBoOnmJPxDwDRpvU5LhqSPvk/yJdh9k 4xUDQu3rm1qIW2I9Puk5n/Jz/lZsqGw8T13DKyu8eMcvaA/irm9lX9El27DPHy/0qsxmxVmU pu9y9S+BmaMb2CM9IuyxMWEl9ruWFS2jAWh/R8CrdnL6+zLk60R7XGzmSJqF09vYNlJ6Bdbs MWDXkYWWP5Ub1ZJGNJQ4qT7g8IN0qXxzLQsmz6tbgLMEHYBGx80bBF8AkdThd6SLhreCN7Uh IR/5NXGqotAZao2xlDpJLuOMQtoH9WVNuuxQQZHVd8if+yp6yRJ5DAmIUt5CCPcAEQEAAcLB gQQYAQIBKwUCU8AbwgUbDAAAAMBdIAQZAQgABgUCU8AbwQAKCRCTYAaomC8PVQ0VCACWk3n+ obFABEp5Rg6Qvspi9kWXcwCcfZV41OIYWhXMoc57ssjCand5noZi8bKg0bxw4qsg+9cNgZ3P N/DFWcNKcAT3Z2/4fTnJqdJS//YcEhlr8uGs+ZWFcqAPbteFCM4dGDRruo69IrHfyyQGx16s CcFlrN8vD066RKevFepb/ml7eYEdN5SRALyEdQMKeCSf3mectdoECEqdF/MWpfWIYQ1hEfdm C2Kztm+h3Nkt9ZQLqc3wsPJZmbD9T0c9Rphfypgw/SfTf2/CHoYVkKqwUIzI59itl5Lze+R5 wDByhWHx2Ud2R7SudmT9XK1e0x7W7a5z11Q6vrzuED5nQvkhAAoJEIExtcQpvGagugcIAJd5 EYe6KM6Y6RvI6TvHp+QgbU5dxvjqSiSvam0Ms3QrLidCtantcGT2Wz/2PlbZqkoJxMQc40rb fXa4xQSvJYj0GWpadrDJUvUu3LEsunDCxdWrmbmwGRKqZraV2oG7YEddmDqOe0Xm/NxeSobc MIlnaE6V0U8f5zNHB7Y46yJjjYT/Ds1TJo3pvwevDWPvv6rdBeV07D9s43frUS6xYd1uFxHC 7dZYWJjZmyUf5evr1W1gCgwLXG0PEi9n3qmz1lelQ8lSocmvxBKtMbX/OKhAfuP/iIwnTsww 95A2SaPiQZA51NywV8OFgsN0ITl2PlZ4Tp9hHERDe6nQCsNI/Us= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 3/13/26 16:01, Florian Fainelli wrote: > On 3/13/26 02:20, 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 > > This is very nice, thanks for doing that work! If the network is brought > up and there is a background iperf3 client transmitting data, and then > you issue "reboot -f", you will see the following NPD: Sorry to flood you with more messages, after a little while I see those showing up on the console, is that intended? # [ 4322.017024] page_pool_release_retry() stalled pool shutdown: id 5, 256 inflight 4289 sec [ 4331.297004] page_pool_release_retry() stalled pool shutdown: id 6, 256 inflight 60 sec -- Florian