netdev - Re: [PATCH RFC bpf-next 3/4] xdp: Add xdp_txq_info to xdp

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Message-ID: <87ftbsj6rz.fsf@toke.dk>
Date:   Fri, 22 May 2020 18:04:00 +0200
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, brouer@...hat.com,
        daniel@...earbox.net, john.fastabend@...il.com, ast@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com, andriin@...com,
        dsahern@...il.com, David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH RFC bpf-next 3/4] xdp: Add xdp_txq_info to xdp_buff

David Ahern <dsahern@...nel.org> writes:

> Add xdp_txq_info as the Tx counterpart to xdp_rxq_info. At the
> moment only the device is added. Other fields (queue_index)
> can be added as use cases arise.
>
> From a UAPI perspective, add egress_ifindex to xdp context.
>
> Update the verifier to only allow accesses to egress_ifindex by
> XDP programs with BPF_XDP_DEVMAP expected attach type.
>
> Signed-off-by: David Ahern <dsahern@...nel.org>

Nit: seems a bit odd to order the patches like this, I'd have expected
this patch to go before #2.

-Toke