Thread (4 messages) 4 messages, 4 authors, 2026-01-14

Re: [PATCH net-next] net: hv_netvsc: reject RSS hash key programming without RX indirection table

From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-01-14 03:13:36
Also in: linux-hyperv, lkml

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Mon, 12 Jan 2026 02:01:33 -0800 you wrote:
RSS configuration requires a valid RX indirection table. When the device
reports a single receive queue, rndis_filter_device_add() does not
allocate an indirection table, accepting RSS hash key updates in this
state leads to a hang.

Fix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return
-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device
capabilities and prevents incorrect behavior.

[...]
Here is the summary with links:
  - [net-next] net: hv_netvsc: reject RSS hash key programming without RX indirection table
    https://git.kernel.org/netdev/net/c/d23564955811

You are awesome, thank you!
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