On Wed, Mar 19, 2025 at 11:26:40AM +0100, Kurt Kanzenbach wrote:
> Link queues to NAPI instances via netdev-genl API. This is required to use
> XDP/ZC busy polling. See commit 5ef44b3cb43b ("xsk: Bring back busy polling
> support") for details.
>
> This also allows users to query the info with netlink:
>
> |$ ./tools/net/ynl/pyynl/cli.py --spec
> Documentation/netlink/specs/netdev.yaml \
> | --dump queue-get --json='{"ifindex": 2}'
> |[{'id': 0, 'ifindex': 2, 'napi-id': 8201, 'type': 'rx'},
> | {'id': 1, 'ifindex': 2, 'napi-id': 8202, 'type': 'rx'},
> | {'id': 2, 'ifindex': 2, 'napi-id': 8203, 'type': 'rx'},
> | {'id': 3, 'ifindex': 2, 'napi-id': 8204, 'type': 'rx'},
> | {'id': 0, 'ifindex': 2, 'napi-id': 8201, 'type': 'tx'},
> | {'id': 1, 'ifindex': 2, 'napi-id': 8202, 'type': 'tx'},
> | {'id': 2, 'ifindex': 2, 'napi-id': 8203, 'type': 'tx'},
> | {'id': 3, 'ifindex': 2, 'napi-id': 8204, 'type': 'tx'}]
>
> Add rtnl locking to PCI error handlers, because netif_queue_set_napi()
> requires the lock held.
>
> While at __igb_open() use RCT coding style.
>
> Signed-off-by: Kurt Kanzenbach <k...@linutronix.de>
> ---
> drivers/net/ethernet/intel/igb/igb.h | 2 ++
> drivers/net/ethernet/intel/igb/igb_main.c | 43
> +++++++++++++++++++++++++++----
> 2 files changed, 40 insertions(+), 5 deletions(-)
Reviewed-by: Joe Damato <jdam...@fastly.com>
