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Date: Tue, 3 Mar 2026 16:07:02 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>
Cc: Michael Chan <michael.chan@broadcom.com>, Pavan Chebbi
 <pavan.chebbi@broadcom.com>, Andrew Lunn <andrew+netdev@lunn.ch>, "David S.
 Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo
 Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
 linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
 linux-kselftest@vger.kernel.org, Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH net-next 3/5] netdevsim: Add RSS context support with
 dynamic table sizing
Message-ID: <20260303160702.7d28437f@kernel.org>
In-Reply-To: <20260303181535.2671734-4-bjorn@kernel.org>
References: <20260303181535.2671734-1-bjorn@kernel.org>
	<20260303181535.2671734-4-bjorn@kernel.org>
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On Tue,  3 Mar 2026 19:15:31 +0100 Bj=C3=B6rn T=C3=B6pel wrote:
> Add RSS indirection table, hash key, and non-default RSS context
> support to netdevsim. The create/modify/remove context callbacks are
> no-ops; the core manages context state in its xarray.
>=20
> The table size is dynamic: roundup_pow_of_two(channels) * 16, capped
> at NSIM_RSS_INDIR_MAX (128). This mimics drivers like bnxt where the
> table size changes with the queue count.
>=20
> nsim_set_channels() uses the core resize helpers to fold/unfold tables
> on channel count changes, exercising the full resize path.

Let's not bother with netdevsim support?
Let the HW tests cover this?
netdevsim was usual when we didn't have HW tests.