From: "Björn Töpel" <bjorn.topel@intel.com>
To: Maciej Fijalkowski <maciejromanfijalkowski@gmail.com>,
Maxim Mikityanskiy <maximmi@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Magnus Karlsson <magnus.karlsson@intel.com>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Saeed Mahameed <saeedm@mellanox.com>, Jonathan Lemon <bsd@fb.com>,
Tariq Toukan <tariqt@mellanox.com>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>
Subject: Re: [PATCH bpf-next v4 07/17] libbpf: Support drivers with non-combined channels
Date: Fri, 14 Jun 2019 21:50:53 +0200 [thread overview]
Message-ID: <9ee7363b-508a-4461-1c4f-252c2ba9cf76@intel.com> (raw)
In-Reply-To: <20190614191549.0000374d@gmail.com>
On 2019-06-14 19:15, Maciej Fijalkowski wrote:
> Why would I want to run AF_XDP without ZC? The main reason for having AF_XDP
> support in drivers is the zero copy, right?
In general I agree with you on this point. Short-term, I see copy-mode
useful for API adoption reasons (as XDP_SKB), so from that perspecitve
it's important. Longer term I'd like to explore AF_XDP as a faster
AF_PACKET for pcap functionality.
Björn
next prev parent reply other threads:[~2019-06-14 19:51 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-12 15:56 [PATCH bpf-next v4 00/17] AF_XDP infrastructure improvements and mlx5e support Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 01/17] net/mlx5e: Attach/detach XDP program safely Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 02/17] xsk: Add API to check for available entries in FQ Maxim Mikityanskiy
2019-06-13 12:50 ` Björn Töpel
2019-06-12 15:56 ` [PATCH bpf-next v4 03/17] xsk: Add getsockopt XDP_OPTIONS Maxim Mikityanskiy
2019-06-13 12:50 ` Björn Töpel
2019-06-12 15:56 ` [PATCH bpf-next v4 04/17] libbpf: Support " Maxim Mikityanskiy
2019-06-13 12:51 ` Björn Töpel
2019-06-12 15:56 ` [PATCH bpf-next v4 05/17] xsk: Change the default frame size to 4096 and allow controlling it Maxim Mikityanskiy
2019-06-12 20:10 ` Jakub Kicinski
2019-06-13 14:01 ` Maxim Mikityanskiy
2019-06-13 17:29 ` Jakub Kicinski
2019-06-14 13:25 ` Maxim Mikityanskiy
2019-06-15 1:40 ` Jakub Kicinski
2019-06-18 12:00 ` Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 06/17] xsk: Return the whole xdp_desc from xsk_umem_consume_tx Maxim Mikityanskiy
2019-06-13 12:48 ` Björn Töpel
2019-06-12 15:56 ` [PATCH bpf-next v4 07/17] libbpf: Support drivers with non-combined channels Maxim Mikityanskiy
2019-06-12 20:23 ` Jakub Kicinski
2019-06-13 12:41 ` Björn Töpel
2019-06-13 17:34 ` Jakub Kicinski
2019-06-13 14:01 ` Maxim Mikityanskiy
2019-06-13 14:45 ` Maciej Fijalkowski
2019-06-14 13:25 ` Maxim Mikityanskiy
2019-06-14 17:15 ` Maciej Fijalkowski
2019-06-14 19:50 ` Björn Töpel [this message]
2019-06-18 12:00 ` Maxim Mikityanskiy
2019-06-13 18:09 ` Jakub Kicinski
2019-06-14 13:25 ` Maxim Mikityanskiy
2019-06-15 2:12 ` Jakub Kicinski
2019-06-12 15:56 ` [PATCH bpf-next v4 08/17] net/mlx5e: Replace deprecated PCI_DMA_TODEVICE Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 09/17] net/mlx5e: Calculate linear RX frag size considering XSK Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 10/17] net/mlx5e: Allow ICO SQ to be used by multiple RQs Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 11/17] net/mlx5e: Refactor struct mlx5e_xdp_info Maxim Mikityanskiy
2019-06-12 15:56 ` [PATCH bpf-next v4 12/17] net/mlx5e: Share the XDP SQ for XDP_TX between RQs Maxim Mikityanskiy
2019-06-12 15:57 ` [PATCH bpf-next v4 13/17] net/mlx5e: XDP_TX from UMEM support Maxim Mikityanskiy
2019-06-12 15:57 ` [PATCH bpf-next v4 14/17] net/mlx5e: Consider XSK in XDP MTU limit calculation Maxim Mikityanskiy
2019-06-12 15:57 ` [PATCH bpf-next v4 15/17] net/mlx5e: Encapsulate open/close queues into a function Maxim Mikityanskiy
2019-06-12 15:57 ` [PATCH bpf-next v4 16/17] net/mlx5e: Move queue param structs to en/params.h Maxim Mikityanskiy
2019-06-12 15:57 ` [PATCH bpf-next v4 17/17] net/mlx5e: Add XSK zero-copy support Maxim Mikityanskiy
2019-06-15 15:42 ` Jakub Kicinski
2019-06-18 12:00 ` Maxim Mikityanskiy
2019-06-12 19:10 ` [PATCH bpf-next v4 00/17] AF_XDP infrastructure improvements and mlx5e support Jonathan Lemon
2019-06-12 20:48 ` Jakub Kicinski
2019-06-13 12:58 ` Björn Töpel
2019-06-13 14:01 ` Maxim Mikityanskiy
2019-06-13 14:11 ` Björn Töpel
2019-06-13 14:53 ` Björn Töpel
2019-06-13 14:01 ` Maxim Mikityanskiy
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