netdev - Re: [PATCH net-next v7 15/16] selftests/net: Make NetDrvContEnv support queue leasing

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Message-ID: <20260120175115.12c9735f@kernel.org>
Date: Tue, 20 Jan 2026 17:51:15 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, davem@...emloft.net,
 razor@...ckwall.org, pabeni@...hat.com, willemb@...gle.com,
 sdf@...ichev.me, john.fastabend@...il.com, martin.lau@...nel.org,
 jordan@...fe.io, maciej.fijalkowski@...el.com, magnus.karlsson@...el.com,
 dw@...idwei.uk, toke@...hat.com, yangzhenze@...edance.com,
 wangdongdong.6@...edance.com
Subject: Re: [PATCH net-next v7 15/16] selftests/net: Make NetDrvContEnv
 support queue leasing

On Thu, 15 Jan 2026 09:26:02 +0100 Daniel Borkmann wrote:
> +    def _lease_queues(self):
> +        channels = self.ethnl.channels_get({'header': {'dev-index': self.ifindex}})
> +        channels = channels['combined-count']
> +        if channels < 2:
> +            raise KsftSkipEx('Test requires NETIF with at least 2 combined channels')
> +
> +        rings = self.ethnl.rings_get({'header': {'dev-index': self.ifindex}})
> +        self._rx_rings = rings['rx']
> +        self._hds_thresh = rings.get('hds-thresh', 0)
> +        self.ethnl.rings_set({'header': {'dev-index': self.ifindex},
> +                            'tcp-data-split': 'enabled',
> +                            'hds-thresh': 0,
> +                            'rx': 64})
> +        self.src_queue = channels - 1
> +        bind_result = self.netdevnl.queue_create(
> +            {
> +                "ifindex": self.nk_guest_ifindex,
> +                "type": "rx",
> +                "lease": {
> +                    "ifindex": self.ifindex,
> +                    "queue": {"id": self.src_queue, "type": "rx"},
> +                },
> +            }
> +        )
> +        self.nk_queue = bind_result['id']
> +        self._leased = True

No frameworks, please, this belongs in the test itself.