netdev - Re: [PATCH bpf-next v3 2/3] bpf_xdp_redirect_map: Perform map lookup in eBPF helper

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Message-ID: <20190611144818.7cf159c3@cakuba.netronome.com>
Date:   Tue, 11 Jun 2019 14:48:18 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     netdev@...r.kernel.org, Jesper Dangaard Brouer <brouer@...hat.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        David Miller <davem@...emloft.net>,
        Jonathan Lemon <jonathan.lemon@...il.com>
Subject: Re: [PATCH bpf-next v3 2/3] bpf_xdp_redirect_map: Perform map
 lookup in eBPF helper

On Tue, 11 Jun 2019 17:44:00 +0200, Toke Høiland-Jørgensen wrote:
> +#define XDP_REDIRECT_INVALID_MASK (XDP_ABORTED | XDP_DROP | XDP_PASS | XDP_TX)

It feels a little strange to OR in values which are not bits, even if
it happens to work today (since those are values of 0, 1, 2, 3)...