From: Stephen Hemminger <stephen@networkplumber.org>
To: Qi Zhang <qi.z.zhang@intel.com>
Cc: dev@dpdk.org, magnus.karlsson@intei.com, bjorn.topel@intel.com
Subject: Re: [dpdk-dev] [RFC 4/7] net/af_xdp: use mbuf mempool for buffer management
Date: Wed, 28 Feb 2018 18:08:11 -0800 [thread overview]
Message-ID: <20180228180811.700dea88@xeon-e3> (raw)
In-Reply-To: <20180227093306.23854-5-qi.z.zhang@intel.com>
On Tue, 27 Feb 2018 17:33:03 +0800
Qi Zhang <qi.z.zhang@intel.com> wrote:
> +static uint32_t
> +mbuf_to_idx(struct pmd_internals *internals, struct rte_mbuf *mbuf)
> +{
> + return (uint32_t)(((uint64_t)mbuf->buf_addr -
> + (uint64_t)internals->umem->buffer) >>
> + internals->umem->frame_size_log2);
> +}
> +
> +static struct rte_mbuf *
> +idx_to_mbuf(struct pmd_internals *internals, uint32_t idx)
> +{
> + return (struct rte_mbuf *)(void *)(internals->umem->buffer + (idx
> + << internals->umem->frame_size_log2) + 0x40);
> +}
More unnecessary casts's here.
next prev parent reply other threads:[~2018-03-01 2:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-27 9:32 [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Qi Zhang
2018-02-27 9:33 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang
2018-02-28 23:40 ` Stephen Hemminger
2018-02-28 23:42 ` Stephen Hemminger
2018-03-01 1:51 ` Zhang, Qi Z
2018-02-28 23:42 ` Stephen Hemminger
2018-02-28 23:45 ` Stephen Hemminger
2018-03-01 1:59 ` Zhang, Qi Z
2018-02-27 9:33 ` [dpdk-dev] [RFC 2/7] lib/mbuf: enable parse flags when create mempool Qi Zhang
2018-02-27 9:33 ` [dpdk-dev] [RFC 3/7] lib/mempool: allow page size aligned mempool Qi Zhang
2018-02-27 9:33 ` [dpdk-dev] [RFC 4/7] net/af_xdp: use mbuf mempool for buffer management Qi Zhang
2018-03-01 2:08 ` Stephen Hemminger [this message]
2018-02-27 9:33 ` [dpdk-dev] [RFC 5/7] net/af_xdp: enable share mempool Qi Zhang
2018-02-27 9:33 ` [dpdk-dev] [RFC 6/7] net/af_xdp: load BPF file Qi Zhang
2018-03-01 2:10 ` Stephen Hemminger
2018-02-27 9:33 ` [dpdk-dev] [RFC 7/7] app/testpmd: enable parameter for mempool flags Qi Zhang
2018-03-01 2:52 ` [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Jason Wang
2018-03-01 4:18 ` Zhang, Qi Z
2018-03-01 4:20 ` Zhang, Qi Z
2018-03-01 7:46 ` Jason Wang
2018-03-01 12:56 ` Zhang, Qi Z
2018-03-01 13:18 ` Jason Wang
2018-03-02 4:05 ` Zhang, Qi Z
2018-02-27 9:35 Qi Zhang
2018-02-27 9:35 ` [dpdk-dev] [RFC 4/7] net/af_xdp: use mbuf mempool for buffer management Qi Zhang
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