Re: [PATCH net-next 10/10] net/mlx5e: Use the 'num_doorbells' devlink param
From: Jakub Kicinski <kuba@kernel.org>
Date: 2025-09-10 17:23:47
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bpf, linux-doc, linux-rdma, lkml
On Wed, 10 Sep 2025 13:24:51 +0300 Tariq Toukan wrote:
quoted hunk ↗ jump to hunk
@@ -45,6 +45,14 @@ Parameters - The range is between 1 and a device-specific max. - Applies to each physical function (PF) independently, if the device supports it. Otherwise, it applies symmetrically to all PFs. + * - ``num_doorbells`` + - driverinit + - This controls the number of channel doorbells used by the netdev. In all + cases, an additional doorbell is allocated and used for non-channel + communication (e.g. for PTP, HWS, etc.). Supported values are: + - 0: No channel-specific doorbells, use the global one for everything. + - [1, max_num_channels]: Spread netdev channels equally across these + doorbells.
This is not vibing with the changes we merged yesterday (or I fumbled the merge): Documentation/networking/devlink/mlx5.rst:13: ERROR: Error parsing content block for the "list-table" directive: uniform two-level bullet list expected, but row 8 does not contain the same number of items as row 1 (3 vs 4). Also in this series: drivers/net/ethernet/mellanox/mlx5/core/devlink.c:549:11-83: WARNING avoid newline at end of message in NL_SET_ERR_MSG_FMT_MOD