From: "Björn Töpel" <bjorn.topel@gmail.com>
To: Kevin Laatz <kevin.laatz@intel.com>
Cc: Netdev <netdev@vger.kernel.org>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Björn Töpel" <bjorn.topel@intel.com>,
"Karlsson, Magnus" <magnus.karlsson@intel.com>,
bpf <bpf@vger.kernel.org>,
intel-wired-lan <intel-wired-lan@lists.osuosl.org>,
"Bruce Richardson" <bruce.richardson@intel.com>,
ciara.loftus@intel.com
Subject: Re: [PATCH 05/11] ixgbe: add offset to zca_free
Date: Mon, 24 Jun 2019 16:32:59 +0200 [thread overview]
Message-ID: <CAJ+HfNg9chx674Sc=Ht-UJ_iYoau=X6LJYn5w05rUQ85b9oyDg@mail.gmail.com> (raw)
In-Reply-To: <20190620090958.2135-6-kevin.laatz@intel.com>
On Thu, 20 Jun 2019 at 19:25, Kevin Laatz <kevin.laatz@intel.com> wrote:
>
> This patch adds the offset param to for zero_copy_allocator to
> ixgbe_zca_free. This change is required to calculate the handle, otherwise,
> this function will not work in unaligned chunk mode since we can't easily mask
> back to the original handle in unaligned chunk mode.
>
> Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
> ---
> drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h | 3 ++-
> drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c | 8 ++++----
> 2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
> index d93a690aff74..49702e2a4360 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
> @@ -33,7 +33,8 @@ struct xdp_umem *ixgbe_xsk_umem(struct ixgbe_adapter *adapter,
> int ixgbe_xsk_umem_setup(struct ixgbe_adapter *adapter, struct xdp_umem *umem,
> u16 qid);
>
> -void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle);
> +void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle,
> + off_t off);
>
> void ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count);
> int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
> index 49536adafe8e..1ec02077ccb2 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
> @@ -268,16 +268,16 @@ static void ixgbe_reuse_rx_buffer_zc(struct ixgbe_ring *rx_ring,
> obi->skb = NULL;
> }
>
> -void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle)
> +void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle,
> + off_t off)
> {
> struct ixgbe_rx_buffer *bi;
> struct ixgbe_ring *rx_ring;
> - u64 hr, mask;
> + u64 hr;
> u16 nta;
>
> rx_ring = container_of(alloc, struct ixgbe_ring, zca);
> hr = rx_ring->xsk_umem->headroom + XDP_PACKET_HEADROOM;
> - mask = rx_ring->xsk_umem->chunk_mask;
>
> nta = rx_ring->next_to_alloc;
> bi = rx_ring->rx_buffer_info;
> @@ -285,7 +285,7 @@ void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle)
> nta++;
> rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
>
> - handle &= mask;
> + handle -= off;
>
> bi->dma = xdp_umem_get_dma(rx_ring->xsk_umem, handle);
> bi->dma += hr;
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-06-24 14:33 UTC|newest]
Thread overview: 137+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-20 9:09 [PATCH 00/11] XDP unaligned chunk placement support Kevin Laatz
2019-06-20 9:09 ` [PATCH 01/11] i40e: simplify Rx buffer recycle Kevin Laatz
2019-06-24 14:29 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 02/11] ixgbe: " Kevin Laatz
2019-06-24 14:30 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 03/11] xdp: add offset param to zero_copy_allocator Kevin Laatz
2019-06-24 14:31 ` Björn Töpel
2019-06-24 19:23 ` Jakub Kicinski
2019-06-25 13:14 ` Laatz, Kevin
2019-06-20 9:09 ` [PATCH 04/11] i40e: add offset to zca_free Kevin Laatz
2019-06-24 14:32 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 05/11] ixgbe: " Kevin Laatz
2019-06-24 14:32 ` Björn Töpel [this message]
2019-06-20 9:09 ` [PATCH 06/11] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-06-24 15:29 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 07/11] libbpf: add flags to umem config Kevin Laatz
2019-06-24 15:30 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 08/11] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-06-24 15:31 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 09/11] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-06-24 15:35 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 10/11] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-06-24 15:36 ` Björn Töpel
2019-06-20 9:09 ` [PATCH 11/11] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-06-24 15:34 ` Björn Töpel
2019-07-16 3:06 ` [PATCH v2 00/10] XDP unaligned chunk placement support Kevin Laatz
2019-07-16 3:06 ` [PATCH v2 01/10] i40e: simplify Rx buffer recycle Kevin Laatz
2019-07-19 17:19 ` [Intel-wired-lan] " Bowers, AndrewX
2019-07-16 3:06 ` [PATCH v2 02/10] ixgbe: " Kevin Laatz
2019-07-19 17:20 ` [Intel-wired-lan] " Bowers, AndrewX
2019-07-16 3:06 ` [PATCH v2 03/10] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-07-19 17:21 ` [Intel-wired-lan] " Bowers, AndrewX
2019-07-16 3:06 ` [PATCH v2 04/10] i40e: modify driver for handling offsets Kevin Laatz
2019-07-19 17:22 ` [Intel-wired-lan] " Bowers, AndrewX
2019-07-16 3:06 ` [PATCH v2 05/10] ixgbe: " Kevin Laatz
2019-07-19 17:22 ` [Intel-wired-lan] " Bowers, AndrewX
2019-07-16 3:06 ` [PATCH v2 06/10] libbpf: add flags to umem config Kevin Laatz
2019-07-16 3:06 ` [PATCH v2 07/10] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-07-16 3:06 ` [PATCH v2 08/10] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-07-16 3:06 ` [PATCH v2 09/10] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-07-16 3:06 ` [PATCH v2 10/10] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-07-23 21:08 ` [PATCH v2 00/10] XDP unaligned chunk placement support Alexei Starovoitov
2019-07-24 13:25 ` [Intel-wired-lan] " Magnus Karlsson
2019-07-25 15:43 ` Jonathan Lemon
2019-07-24 5:10 ` [PATCH bpf-next v3 00/11] " Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 01/11] i40e: simplify Rx buffer recycle Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 02/11] ixgbe: " Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 03/11] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-07-25 2:22 ` Jakub Kicinski
2019-07-25 17:01 ` Laatz, Kevin
2019-07-25 9:27 ` Maxim Mikityanskiy
2019-07-25 17:00 ` Laatz, Kevin
2019-07-25 10:08 ` Maxim Mikityanskiy
2019-07-25 15:39 ` Jonathan Lemon
2019-07-24 5:10 ` [PATCH bpf-next v3 04/11] i40e: modify driver for handling offsets Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 05/11] ixgbe: " Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 06/11] mlx5e: " Kevin Laatz
2019-07-25 10:15 ` Maxim Mikityanskiy
2019-07-25 17:00 ` Laatz, Kevin
2019-07-24 5:10 ` [PATCH bpf-next v3 07/11] libbpf: add flags to umem config Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 08/11] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-07-25 9:43 ` Maxim Mikityanskiy
2019-07-25 17:00 ` Laatz, Kevin
2019-07-24 5:10 ` [PATCH bpf-next v3 09/11] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 10/11] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-07-24 5:10 ` [PATCH bpf-next v3 11/11] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-07-25 15:39 ` [PATCH bpf-next v3 00/11] XDP unaligned chunk placement support Jonathan Lemon
2019-07-25 15:56 ` Richardson, Bruce
2019-07-25 17:30 ` Jonathan Lemon
2019-07-26 8:41 ` Bruce Richardson
2019-07-30 8:53 ` [PATCH bpf-next v4 " Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 01/11] i40e: simplify Rx buffer recycle Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 02/11] ixgbe: " Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 03/11] libbpf: add flags to umem config Kevin Laatz
2019-07-31 12:45 ` [Intel-wired-lan] " Björn Töpel
2019-07-31 14:25 ` Björn Töpel
2019-08-01 6:59 ` Andrii Nakryiko
2019-08-01 7:34 ` Björn Töpel
2019-08-02 7:19 ` Andrii Nakryiko
2019-08-02 7:26 ` Björn Töpel
2019-07-30 8:53 ` [PATCH bpf-next v4 04/11] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-07-31 18:11 ` Jonathan Lemon
2019-07-30 8:53 ` [PATCH bpf-next v4 05/11] i40e: modify driver for handling offsets Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 06/11] ixgbe: " Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 07/11] mlx5e: " Kevin Laatz
2019-07-31 18:10 ` Jonathan Lemon
2019-08-01 10:05 ` Maxim Mikityanskiy
2019-08-19 14:36 ` Maxim Mikityanskiy
2019-08-19 14:47 ` Laatz, Kevin
2019-07-30 8:53 ` [PATCH bpf-next v4 08/11] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-07-30 8:53 ` [PATCH bpf-next v4 09/11] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-07-31 18:26 ` Jonathan Lemon
2019-07-30 8:53 ` [PATCH bpf-next v4 10/11] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-07-30 8:54 ` [PATCH bpf-next v4 11/11] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 00/11] XDP unaligned chunk placement support Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 01/11] i40e: simplify Rx buffer recycle Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 02/11] ixgbe: " Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 03/11] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-08-22 18:43 ` Jonathan Lemon
2019-08-23 13:35 ` Laatz, Kevin
2019-08-27 7:36 ` Maxim Mikityanskiy
2019-08-22 1:44 ` [PATCH bpf-next v5 04/11] i40e: modify driver for handling offsets Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 05/11] ixgbe: " Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 06/11] mlx5e: " Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 07/11] libbpf: add flags to umem config Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 08/11] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 09/11] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 10/11] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-08-22 1:44 ` [PATCH bpf-next v5 11/11] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-08-27 2:25 ` [PATCH bpf-next v6 00/12] XDP unaligned chunk placement support Kevin Laatz
2019-08-27 2:25 ` [PATCH bpf-next v6 01/12] i40e: simplify Rx buffer recycle Kevin Laatz
2019-08-30 15:37 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 02/12] ixgbe: " Kevin Laatz
2019-08-30 15:39 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 03/12] xsk: add support to allow unaligned chunk placement Kevin Laatz
2019-08-30 15:41 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 04/12] i40e: modify driver for handling offsets Kevin Laatz
2019-08-30 15:42 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 05/12] ixgbe: " Kevin Laatz
2019-08-30 15:42 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 06/12] mlx5e: " Kevin Laatz
2019-08-30 15:43 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 07/12] net/mlx5e: Allow XSK frames smaller than a page Kevin Laatz
2019-08-30 15:45 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 08/12] libbpf: add flags to umem config Kevin Laatz
2019-08-30 15:46 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 09/12] samples/bpf: add unaligned chunks mode support to xdpsock Kevin Laatz
2019-08-30 15:47 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 10/12] samples/bpf: add buffer recycling for unaligned chunks " Kevin Laatz
2019-08-30 15:49 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 11/12] samples/bpf: use hugepages in xdpsock app Kevin Laatz
2019-08-30 15:51 ` Jonathan Lemon
2019-08-27 2:25 ` [PATCH bpf-next v6 12/12] doc/af_xdp: include unaligned chunk case Kevin Laatz
2019-08-30 15:51 ` Jonathan Lemon
2019-08-30 15:52 ` [PATCH bpf-next v6 00/12] XDP unaligned chunk placement support Jonathan Lemon
2019-08-30 23:29 ` Daniel Borkmann
-- strict thread matches above, loose matches on Subject: below --
2019-06-20 8:39 [PATCH 00/11] " Kevin Laatz
2019-06-20 8:39 ` [PATCH 05/11] ixgbe: add offset to zca_free Kevin Laatz
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