From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: <intel-wired-lan@lists.osuosl.org>,
Michal Kubiak <michal.kubiak@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
"Przemek Kitszel" <przemyslaw.kitszel@intel.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
"Alexei Starovoitov" <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Simon Horman <horms@kernel.org>, <bpf@vger.kernel.org>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH iwl-next 04/16] libeth: xdp: add .ndo_xdp_xmit() helpers
Date: Thu, 24 Apr 2025 15:06:49 +0200 [thread overview]
Message-ID: <aAo3aY3exP3XUNgu@boxer> (raw)
In-Reply-To: <20250415172825.3731091-5-aleksander.lobakin@intel.com>
On Tue, Apr 15, 2025 at 07:28:13PM +0200, Alexander Lobakin wrote:
> Add helpers for implementing .ndo_xdp_xmit().
> Same as for XDP_TX, accumulate up to 16 DMA-mapped frames on the stack,
> then flush. If DMA mapping is failed for some reason, don't try mapping
> further frames, but still flush what was already prepared.
> DMA address of a head frame is stored in its headroom, assuming it
> has enough of it for an 8 (or 4) byte value.
> In addition to @prep and @xmit driver callbacks in XDP_TX, xmit also
> needs @finalize to kick the XDPSQ after filling.
>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
next prev parent reply other threads:[~2025-04-24 13:07 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-15 17:28 [PATCH iwl-next 00/16] libeth: add libeth_xdp helper lib Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 01/16] libeth: convert to netmem Alexander Lobakin
2025-04-16 6:54 ` [Intel-wired-lan] " Loktionov, Aleksandr
2025-04-17 12:26 ` Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 02/16] libeth: support native XDP and register memory model Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 03/16] libeth: xdp: add XDP_TX buffers sending Alexander Lobakin
2025-04-24 12:48 ` Maciej Fijalkowski
2025-05-13 14:58 ` Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 04/16] libeth: xdp: add .ndo_xdp_xmit() helpers Alexander Lobakin
2025-04-24 13:06 ` Maciej Fijalkowski [this message]
2025-04-15 17:28 ` [PATCH iwl-next 05/16] libeth: xdp: add XDPSQE completion helpers Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 06/16] libeth: xdp: add XDPSQ locking helpers Alexander Lobakin
2025-04-24 15:27 ` Maciej Fijalkowski
2025-04-15 17:28 ` [PATCH iwl-next 07/16] libeth: xdp: add XDPSQ cleanup timers Alexander Lobakin
2025-04-24 15:33 ` Maciej Fijalkowski
2025-04-15 17:28 ` [PATCH iwl-next 08/16] libeth: xdp: add helpers for preparing/processing &libeth_xdp_buff Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 09/16] libeth: xdp: add XDP prog run and verdict result handling Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 10/16] libeth: xdp: add templates for building driver-side callbacks Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 11/16] libeth: xdp: add RSS hash hint and XDP features setup helpers Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 12/16] libeth: xsk: add XSk XDP_TX sending helpers Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 13/16] libeth: xsk: add XSk xmit functions Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 14/16] libeth: xsk: add XSk Rx processing support Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 15/16] libeth: xsk: add XSkFQ refill and XSk wakeup helpers Alexander Lobakin
2025-04-15 17:28 ` [PATCH iwl-next 16/16] libeth: xdp, xsk: access adjacent u32s as u64 where applicable Alexander Lobakin
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