net/mlx5e: Add support for UNREADABLE netmem page pools

net/mlx5e: Add support for UNREADABLE netmem page pools

On netdev_rx_queue_restart, a special type of page pool maybe expected.

In this patch declare support for UNREADABLE netmem iov pages in the
pool params only when header data split shampo RQ mode is enabled, also
set the queue index in the page pool params struct.

Shampo mode requirement: Without header split rx needs to peek at the data,
we can't do UNREADABLE_NETMEM.

The patch also enables the use of a separate page pool for headers when
a memory provider is installed for the queue, otherwise the same common
page pool continues to be used.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/20250616141441.1243044-10-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>