netdev - Re: [PATCH v4 bpf-next 12/15] bpftool: Add support for XDP egress

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Message-ID: <1db59cc9-956e-6583-6fa9-444564e6d760@isovalent.com>
Date:   Tue, 28 Apr 2020 09:08:25 +0100
From:   Quentin Monnet <quentin@...valent.com>
To:     David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org,
        prashantbhole.linux@...il.com, jasowang@...hat.com,
        brouer@...hat.com, toke@...hat.com, toshiaki.makita1@...il.com,
        daniel@...earbox.net, john.fastabend@...il.com, ast@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com, andriin@...com,
        dsahern@...il.com, David Ahern <dahern@...italocean.com>
Subject: Re: [PATCH v4 bpf-next 12/15] bpftool: Add support for XDP egress

2020-04-27 16:46 UTC-0600 ~ David Ahern <dsahern@...nel.org>
> From: David Ahern <dahern@...italocean.com>
> 
> Add xdp_egress as a program type since it requires a new attach
> type. This follows suit with other program type + attach type
> combintations and leverages the SEC name in libbpf.
> 
> Add NET_ATTACH_TYPE_XDP_EGRESS and update attach_type_strings to
> allow a user to specify 'xdp_egress' as the attach or detach point.
> 
> Update do_attach_detach_xdp to set XDP_FLAGS_EGRESS_MODE if egress
> is selected.
> 
> Update do_xdp_dump_one to show egress program ids.
> 
> Update the documentation and help output.
> 
> Signed-off-by: David Ahern <dahern@...italocean.com>

Reviewed-by: Quentin Monnet <quentin@...valent.com>

Thanks!