From: Stanislav Fomichev <stfomichev@gmail.com>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, kuba@kernel.org,
davem@davemloft.net, razor@blackwall.org, pabeni@redhat.com,
willemb@google.com, sdf@fomichev.me, john.fastabend@gmail.com,
martin.lau@kernel.org, jordan@jrife.io,
maciej.fijalkowski@intel.com, magnus.karlsson@intel.com,
dw@davidwei.uk, toke@redhat.com, yangzhenze@bytedance.com,
wangdongdong.6@bytedance.com
Subject: Re: [PATCH net-next v7 05/16] net: Proxy net_mp_{open,close}_rxq for leased queues
Date: Sun, 18 Jan 2026 17:44:52 -0800 [thread overview]
Message-ID: <aW2MlAF8Y2XFai8R@mini-arch> (raw)
In-Reply-To: <20260115082603.219152-6-daniel@iogearbox.net>
On 01/15, Daniel Borkmann wrote:
> From: David Wei <dw@davidwei.uk>
>
> When a process in a container wants to setup a memory provider, it will
> use the virtual netdev and a leased rxq, and call net_mp_{open,close}_rxq
> to try and restart the queue. At this point, proxy the queue restart on
> the real rxq in the physical netdev.
>
> For memory providers (io_uring zero-copy rx and devmem), it causes the
> real rxq in the physical netdev to be filled from a memory provider that
> has DMA mapped memory from a process within a container.
>
> Signed-off-by: David Wei <dw@davidwei.uk>
> Co-developed-by: Daniel Borkmann <daniel@iogearbox.net>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
next prev parent reply other threads:[~2026-01-19 1:44 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-15 8:25 [PATCH net-next v7 00/16] netkit: Support for io_uring zero-copy and AF_XDP Daniel Borkmann
2026-01-15 8:25 ` [PATCH net-next v7 01/16] net: Add queue-create operation Daniel Borkmann
2026-01-19 1:43 ` Stanislav Fomichev
2026-01-19 14:20 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 02/16] net: Implement netdev_nl_queue_create_doit Daniel Borkmann
2026-01-19 1:44 ` Stanislav Fomichev
2026-01-19 14:20 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 03/16] net: Add lease info to queue-get response Daniel Borkmann
2026-01-19 1:44 ` Stanislav Fomichev
2026-01-15 8:25 ` [PATCH net-next v7 04/16] net, ethtool: Disallow leased real rxqs to be resized Daniel Borkmann
2026-01-19 1:44 ` Stanislav Fomichev
2026-01-15 8:25 ` [PATCH net-next v7 05/16] net: Proxy net_mp_{open,close}_rxq for leased queues Daniel Borkmann
2026-01-19 1:44 ` Stanislav Fomichev [this message]
2026-01-21 2:04 ` Jakub Kicinski
2026-01-21 3:44 ` David Wei
2026-01-15 8:25 ` [PATCH net-next v7 06/16] net: Proxy netdev_queue_get_dma_dev " Daniel Borkmann
2026-01-19 1:45 ` Stanislav Fomichev
2026-01-19 14:21 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 07/16] xsk: Extend xsk_rcv_check validation Daniel Borkmann
2026-01-19 1:45 ` Stanislav Fomichev
2026-01-19 14:21 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 08/16] xsk: Proxy pool management for leased queues Daniel Borkmann
2026-01-19 1:45 ` Stanislav Fomichev
2026-01-19 14:22 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 09/16] netkit: Add single device mode for netkit Daniel Borkmann
2026-01-15 8:25 ` [PATCH net-next v7 10/16] netkit: Implement rtnl_link_ops->alloc and ndo_queue_create Daniel Borkmann
2026-01-15 8:25 ` [PATCH net-next v7 11/16] netkit: Add netkit notifier to check for unregistering devices Daniel Borkmann
2026-01-19 14:22 ` Nikolay Aleksandrov
2026-01-15 8:25 ` [PATCH net-next v7 12/16] netkit: Add xsk support for af_xdp applications Daniel Borkmann
2026-01-15 8:26 ` [PATCH net-next v7 13/16] selftests/net: Add bpf skb forwarding program Daniel Borkmann
2026-01-19 1:45 ` Stanislav Fomichev
2026-01-19 14:23 ` Nikolay Aleksandrov
2026-01-15 8:26 ` [PATCH net-next v7 14/16] selftests/net: Add env for container based tests Daniel Borkmann
2026-01-19 1:46 ` Stanislav Fomichev
2026-01-19 14:23 ` Nikolay Aleksandrov
2026-01-15 8:26 ` [PATCH net-next v7 15/16] selftests/net: Make NetDrvContEnv support queue leasing Daniel Borkmann
2026-01-19 1:46 ` Stanislav Fomichev
2026-01-19 14:23 ` Nikolay Aleksandrov
2026-01-21 1:51 ` Jakub Kicinski
2026-01-21 1:57 ` David Wei
2026-01-15 8:26 ` [PATCH net-next v7 16/16] selftests/net: Add netkit container tests Daniel Borkmann
2026-01-19 1:46 ` Stanislav Fomichev
2026-01-19 14:25 ` Nikolay Aleksandrov
2026-01-20 11:50 ` [PATCH net-next v7 00/16] netkit: Support for io_uring zero-copy and AF_XDP patchwork-bot+netdevbpf
2026-01-21 2:08 ` Jakub Kicinski
2026-01-21 3:46 ` David Wei
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