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[144.49.247.12]) by smtp-relay.gmail.com with ESMTPS id 8926c6da1cb9f-5b74677112esm359107173.14.2025.11.06.13.17.53 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Nov 2025 13:17:53 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-8b1d8f56e24so17282885a.2 for ; Thu, 06 Nov 2025 13:17:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1762463873; x=1763068673; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=9qh6M2+2slNp/Eaqs7CKpAs0otSPjZ5PWWWvvqphD0E=; b=b5JzrfDdLeLAvFNJwlJ7KBXF32doILcZrZqRa463Mj4Ani4PEYFUe3Xf6QZ/sLe5YK x6iyI2MYDdpf8osrkAF5L08o4Sei1Ve3kmtgWHzqCYIgWbrm6EY0GCmZvL6ULyzVp8Xw N6qfQ0RDA/bQ8xHpS56j3NdZdkCy5B1Q9/CB8= X-Forwarded-Encrypted: i=1; AJvYcCXn9h2B622btTziqLXH4QOXD9GucSGJNurBmOc/EMlyXsIJuUkHvd6lyGEp+hsdHelB0pOAKQOfvAfYhfo=@vger.kernel.org X-Received: by 2002:a05:620a:294a:b0:8a0:8627:30b0 with SMTP id af79cd13be357-8b245339b21mr164834285a.49.1762463872805; Thu, 06 Nov 2025 13:17:52 -0800 (PST) X-Received: by 2002:a05:620a:294a:b0:8a0:8627:30b0 with SMTP id af79cd13be357-8b245339b21mr164830985a.49.1762463872373; Thu, 06 Nov 2025 13:17:52 -0800 (PST) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8b2358287eesm270270585a.54.2025.11.06.13.17.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Nov 2025 13:17:51 -0800 (PST) Message-ID: Date: Thu, 6 Nov 2025 13:17:48 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2 0/2] Allow disabling pause frames on panic To: Jakub Kicinski Cc: netdev@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Doug Berger , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Stanislav Fomichev , Antoine Tenart , Kuniyuki Iwashima , Yajun Deng , open list References: <20251104221348.4163417-1-florian.fainelli@broadcom.com> <20251104155702.0b2aadb3@kernel.org> Content-Language: en-US, fr-FR From: Florian Fainelli 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: <20251104155702.0b2aadb3@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 11/4/25 15:57, Jakub Kicinski wrote: > On Tue, 4 Nov 2025 14:13:46 -0800 Florian Fainelli wrote: >> This patch set allows disabling pause frame generation upon encountering >> a kernel panic. This has proven to be helpful in lab environments where >> devices are still being worked on, will panic for various reasons, and >> will occasionally take down the entire Ethernet switch they are attached to. > > FWIW this still feels like a hack to work around having broken switches > to me :( Not sure how to stomach having a sysfs knob for every netdev on > the planet for one lab with cheap switches.. That's understandable, we have seen it with any sort of Ethernet adapter, GENET is the one that we have the most deployed, but we have seen that with Asix USB Ethernet dongles happen, which is why this made me look for a common solution, rather than a driver specific solution. > > If anyone else has similar problems please speak up? -- Florian