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

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Message-ID: <187c8124-8886-5112-a5a9-02985eec3a39@gmail.com>
Date:   Fri, 22 May 2020 11:45:52 -0600
From:   David Ahern <dsahern@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>,
        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
Subject: Re: [PATCH RFC bpf-next 3/4] xdp: Add xdp_txq_info to xdp_buff

On 5/22/20 10:04 AM, Toke Høiland-Jørgensen wrote:
> 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.
> 

This patch depends on patch 2, so it needs to follow it.