linux-kernel - [PATCH v2 0/3] virtio_net: Support the RX hash XDP hint

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Date: Wed, 24 Jan 2024 16:57:18 +0800
From: Liang Chen <liangchen.linux@...il.com>
To: mst@...hat.com,
	jasowang@...hat.com,
	hengqi@...ux.alibaba.com,
	xuanzhuo@...ux.alibaba.com
Cc: virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	liangchen.linux@...il.com
Subject: [PATCH v2 0/3] virtio_net: Support the RX hash XDP hint

The RSS hash report is a feature that's part of the virtio specification.
Currently, virtio backends like qemu and vdpa (mlx5) support it(potentially
vhost). While the capability to obtain the RSS hash has been enabled in the
normal path, it's currently missing in the XDP path. 

Changes from v1:
- introduce a wrapper structure to preserve virtio header

Liang Chen (3):
  virtio_net: Preserve virtio header before XDP program execution
  virtio_net: Add missing virtio header in skb for XDP_PASS
  virtio_net: Support RX hash XDP hint

 drivers/net/virtio_net.c | 102 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 90 insertions(+), 12 deletions(-)

-- 
2.40.1