From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Jakub Kicinski <kuba@kernel.org>, Lorenzo Bianconi <lorenzo@kernel.org>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
lorenzo.bianconi@redhat.com, davem@davemloft.net, ast@kernel.org,
daniel@iogearbox.net, shayagr@amazon.com,
john.fastabend@gmail.com, dsahern@kernel.org, brouer@redhat.com,
echaudro@redhat.com, jasowang@redhat.com,
alexander.duyck@gmail.com, saeed@kernel.org,
maciej.fijalkowski@intel.com, magnus.karlsson@intel.com,
tirthendu.sarkar@intel.com
Subject: Re: [PATCH v15 bpf-next 00/18] mvneta: introduce XDP multi-buffer support
Date: Sat, 09 Oct 2021 15:00:51 +0200 [thread overview]
Message-ID: <87fstajqt8.fsf@toke.dk> (raw)
In-Reply-To: <20211008181435.742e1e44@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Jakub Kicinski <kuba@kernel.org> writes:
> On Fri, 8 Oct 2021 14:49:38 +0200 Lorenzo Bianconi wrote:
>> Changes since v14:
>> - intrudce bpf_xdp_pointer utility routine and
>> bpf_xdp_load_bytes/bpf_xdp_store_bytes helpers
>> - drop bpf_xdp_adjust_data helper
>> - drop xdp_frags_truesize in skb_shared_info
>> - explode bpf_xdp_mb_adjust_tail in bpf_xdp_mb_increase_tail and
>> bpf_xdp_mb_shrink_tail
>
> I thought the conclusion of the discussion regarding backward
> compatibility was that we should require different program type
> or other explicit opt in. Did I misinterpret?
No, you're right. I think we settled on using the 'flags' field instead
of program type, but either way this should be part of the initial patch
set.
-Toke
next prev parent reply other threads:[~2021-10-09 13:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 12:49 [PATCH v15 bpf-next 00/18] mvneta: introduce XDP multi-buffer support Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 01/18] net: skbuff: add size metadata to skb_shared_info for xdp Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 02/18] xdp: introduce flags field in xdp_buff/xdp_frame Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 03/18] net: mvneta: update mb bit before passing the xdp buffer to eBPF layer Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 04/18] net: mvneta: simplify mvneta_swbm_add_rx_fragment management Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 05/18] net: xdp: add xdp_update_skb_shared_info utility routine Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 06/18] net: marvell: rely on " Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 07/18] xdp: add multi-buff support to xdp_return_{buff/frame} Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 08/18] net: mvneta: add multi buffer support to XDP_TX Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 09/18] net: mvneta: enable jumbo frames for XDP Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 10/18] bpf: add multi-buff support to the bpf_xdp_adjust_tail() API Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 11/18] bpf: introduce bpf_xdp_get_buff_len helper Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 12/18] bpf: add multi-buffer support to xdp copy helpers Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 13/18] bpf: move user_size out of bpf_test_init Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 14/18] bpf: introduce multibuff support to bpf_prog_test_run_xdp() Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 15/18] bpf: test_run: add xdp_shared_info pointer in bpf_test_finish signature Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 16/18] bpf: update xdp_adjust_tail selftest to include multi-buffer Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 17/18] net: xdp: introduce bpf_xdp_pointer utility routine Lorenzo Bianconi
2021-10-09 1:10 ` Jakub Kicinski
2021-10-11 18:35 ` Lorenzo Bianconi
2021-10-08 12:49 ` [PATCH v15 bpf-next 18/18] bpf: introduce bpf_xdp_{load,store}_bytes selftest Lorenzo Bianconi
2021-10-09 1:14 ` [PATCH v15 bpf-next 00/18] mvneta: introduce XDP multi-buffer support Jakub Kicinski
2021-10-09 13:00 ` Toke Høiland-Jørgensen [this message]
2021-10-11 9:48 ` Lorenzo Bianconi
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