> -----Original Message-----
> From: Intel-wired-lan <[email protected]> On Behalf Of
> Kurt Kanzenbach
> Sent: Wednesday, March 19, 2025 3:57 PM
> To: Nguyen, Anthony L <[email protected]>; Kitszel, Przemyslaw
> <[email protected]>
> Cc: Andrew Lunn <[email protected]>; David S. Miller
> <[email protected]>; Dumazet, Eric <[email protected]>; Jakub
> Kicinski <[email protected]>; Paolo Abeni <[email protected]>; Sebastian
> Andrzej Siewior <[email protected]>; Damato, Joe
> <[email protected]>; Gerhard Engleder <gerhard@engleder-
> embedded.com>; [email protected]; [email protected];
> Kurt Kanzenbach <[email protected]>
> Subject: [Intel-wired-lan] [PATCH iwl-next v3 2/4] igb: Link queues to NAPI
> instances
>
> 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 <[email protected]>
> ---
> drivers/net/ethernet/intel/igb/igb.h | 2 ++
> drivers/net/ethernet/intel/igb/igb_main.c | 43
> +++++++++++++++++++++++++++----
> 2 files changed, 40 insertions(+), 5 deletions(-)
>
Tested-by: Sweta Kumari <[email protected]>
