From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
willemb@google.com, horms@kernel.org, netdev@vger.kernel.org,
eric.dumazet@gmail.com
Subject: Re: [PATCH v2 net-next 0/4] net: ethtool: make netdev_rss_key_fill() spread flows over all queues
Date: Fri, 25 Sep 2026 23:40:08 +0000 [thread overview]
Message-ID: <179037960888.3207107.14995347691230461960.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260922163458.3900996-1-edumazet@google.com>
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 22 Sep 2026 16:34:54 +0000 you wrote:
> netdev_rss_key_fill() hands drivers a uniformly random key. Because the
> Toeplitz hash is linear over GF(2), a random key is singular for a given
> header field and queue count with probability 1/2: flows differing only
> in the low order bits of that field (such as a burst of consecutive
> ephemeral ports) then cannot reach all RX queues. On one affected 16-queue
> host, only 4 queues received traffic until the key was replaced.
>
> [...]
Here is the summary with links:
- [v2,net-next,1/4] net: synchronize proc_do_rss_key() with netdev_rss_key_fill()
https://git.kernel.org/netdev/net-next/c/9396e37c4860
- [v2,net-next,2/4] net: ethtool: generate RSS keys that spread flows over all queues
https://git.kernel.org/netdev/net-next/c/898d431abd25
- [v2,net-next,3/4] netdevsim: support reporting RSS key, indirection table, and flow hash fields
https://git.kernel.org/netdev/net-next/c/5fd4208098be
- [v2,net-next,4/4] selftests: drivers: net: check the host and device RSS keys
https://git.kernel.org/netdev/net-next/c/c8103dd8b9b4
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-09-25 23:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 16:34 [PATCH v2 net-next 0/4] net: ethtool: make netdev_rss_key_fill() spread flows over all queues Eric Dumazet
2026-09-22 16:34 ` [PATCH v2 net-next 1/4] net: synchronize proc_do_rss_key() with netdev_rss_key_fill() Eric Dumazet
2026-09-23 22:36 ` netdev-bot+sashiko
2026-09-22 16:34 ` [PATCH v2 net-next 2/4] net: ethtool: generate RSS keys that spread flows over all queues Eric Dumazet
2026-09-23 22:36 ` netdev-bot+sashiko
2026-09-23 23:33 ` Eric Dumazet
2026-09-22 16:34 ` [PATCH v2 net-next 3/4] netdevsim: support reporting RSS key, indirection table, and flow hash fields Eric Dumazet
2026-09-22 16:34 ` [PATCH v2 net-next 4/4] selftests: drivers: net: check the host and device RSS keys Eric Dumazet
2026-09-25 23:40 ` patchwork-bot+netdevbpf [this message]
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