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From: Brandon Cazander <brandon.cazander@multapplied.net>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: "xdp-newbies@vger.kernel.org" <xdp-newbies@vger.kernel.org>,
	Stephen Hemminger <stephen@networkplumber.org>,
	David Miller <davem@davemloft.net>
Subject: Re: xdpgeneric, XDP_PASS, and bpf_xdp_adjust_head decapsulation dropping packets
Date: Thu, 1 Aug 2019 18:53:56 +0000	[thread overview]
Message-ID: <20190801185345.GA746463@multapplied.net> (raw)
In-Reply-To: <20190801201612.3aef7783@carbon>

[...]

> Thanks for also confirming. I've just send a patchset with fixes:
>  https://patchwork.ozlabs.org/project/netdev/list/?series=122796&state=%2a

Thank you for this; I tested this against my environment and it works as
expected again.

> I can recommend that you look at the selftest script test_xdp_vlan.sh:
>  https://github.com/torvalds/linux/blob/master/tools/testing/selftests/bpf/test_xdp_vlan.sh
> 
> Which uses veth and network namespaces for testing.  If you get the
> hint, then you can actually create these small scripts, that can
> function as unit and regression tests for XDP code snippets.
> 
> Our XDP-tutorial also uses veth as a development environment:
>  https://github.com/xdp-project/xdp-tutorial/tree/master/testenv

Great hint, I will definitely use these going forward!

  reply	other threads:[~2019-08-01 18:53 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 21:12 xdpgeneric, XDP_PASS, and bpf_xdp_adjust_head decapsulation dropping packets Brandon Cazander
2019-08-01  8:18 ` Jesper Dangaard Brouer
2019-08-01 14:54   ` Jesper Dangaard Brouer
2019-08-01 16:05     ` Jesper Dangaard Brouer
2019-08-01 17:33   ` Brandon Cazander
2019-08-01 18:16     ` Jesper Dangaard Brouer
2019-08-01 18:53       ` Brandon Cazander [this message]
2019-08-01 18:00 ` [net v1 PATCH 0/4] net: fix regressions for generic-XDP Jesper Dangaard Brouer
2019-08-01 18:00   ` [net v1 PATCH 1/4] bpf: fix XDP vlan selftests test_xdp_vlan.sh Jesper Dangaard Brouer
2019-08-01 18:00   ` [net v1 PATCH 2/4] selftests/bpf: add wrapper scripts for test_xdp_vlan.sh Jesper Dangaard Brouer
2019-08-01 18:00   ` [net v1 PATCH 3/4] selftests/bpf: reduce time to execute test_xdp_vlan.sh Jesper Dangaard Brouer
2019-08-01 18:00   ` [net v1 PATCH 4/4] net: fix bpf_xdp_adjust_head regression for generic-XDP Jesper Dangaard Brouer
2019-08-02  0:44     ` Jakub Kicinski
2019-08-02  7:53       ` Jesper Dangaard Brouer
2019-08-02 17:08         ` Jakub Kicinski
2019-08-05 18:19   ` [net v1 PATCH 0/4] net: fix regressions " David Miller

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