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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"David Miller" <davem@davemloft.net>,
	"Björn Töpel" <bjorn.topel@gmail.com>,
	"John Fastabend" <john.fastabend@gmail.com>,
	brouer@redhat.com
Subject: Re: [PATCH bpf-next v2 1/2] xdp: Move devmap bulk queue into struct net_device
Date: Wed, 15 Jan 2020 21:17:34 +0100	[thread overview]
Message-ID: <20200115211734.2dfcffd4@carbon> (raw)
In-Reply-To: <157893905569.861394.457637639114847149.stgit@toke.dk>

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


  parent reply	other threads:[~2020-01-15 20:17 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-13 18:10 [PATCH bpf-next v2 0/2] xdp: Introduce bulking for non-map XDP_REDIRECT Toke Høiland-Jørgensen
2020-01-13 18:10 ` [PATCH bpf-next v2 1/2] xdp: Move devmap bulk queue into struct net_device Toke Høiland-Jørgensen
2020-01-15 19:45   ` John Fastabend
2020-01-15 22:22     ` Toke Høiland-Jørgensen
2020-01-15 20:17   ` Jesper Dangaard Brouer [this message]
2020-01-15 22:11     ` Toke Høiland-Jørgensen
2020-01-16 11:24       ` Jesper Dangaard Brouer
2020-01-16 13:51         ` Toke Høiland-Jørgensen
2020-01-13 18:10 ` [PATCH bpf-next v2 2/2] xdp: Use bulking for non-map XDP_REDIRECT and consolidate code paths Toke Høiland-Jørgensen
2020-01-15 12:16   ` Maciej Fijalkowski
2020-01-15 19:43   ` John Fastabend
2020-01-14 17:47 ` [PATCH bpf-next v2 0/2] xdp: Introduce bulking for non-map XDP_REDIRECT Alexei Starovoitov
2020-01-15 17:49   ` John Fastabend

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