Re: [PATCH bpf-next v2 1/2] xdp: Move devmap bulk queue into struct net_device

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On Mon, 13 Jan 2020 19:10:55 +0100
Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote:

> diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
> index da9c832fc5c8..030d125c3839 100644
> --- a/kernel/bpf/devmap.c
> +++ b/kernel/bpf/devmap.c
[...]
> @@ -346,8 +340,7 @@ static int bq_xmit_all(struct xdp_bulk_queue *bq, u32 flags)
>  out:
>  	bq->count = 0;
>  
> -	trace_xdp_devmap_xmit(&obj->dtab->map, obj->idx,
> -			      sent, drops, bq->dev_rx, dev, err);
> +	trace_xdp_devmap_xmit(NULL, 0, sent, drops, bq->dev_rx, dev, err);

Hmm ... I don't like that we lose the map_id and map_index identifier.
This is part of our troubleshooting interface.  

>  	bq->dev_rx = NULL;
>  	__list_del_clearprev(&bq->flush_node);
>  	return 0;



-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer





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