From: "Liang, Cunming" <cunming.liang@intel.com>
To: "Chen Jing D(Mark)" <jing.d.chen@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 08/16] fm10k: add Vector RX scatter function
Date: Tue, 27 Oct 2015 13:27:45 +0800 [thread overview]
Message-ID: <562F0B51.9080508@intel.com> (raw)
In-Reply-To: <1445507104-22563-9-git-send-email-jing.d.chen@intel.com>
Hi,
On 10/22/2015 5:44 PM, Chen Jing D(Mark) wrote:
> From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
>
> Add func fm10k_recv_scattered_pkts_vec to receive chained packets
> with SSE instructions.
>
> Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
> ---
> drivers/net/fm10k/fm10k.h | 2 +
> drivers/net/fm10k/fm10k_rxtx_vec.c | 88 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 90 insertions(+), 0 deletions(-)
>
[...]
> +
> +/*
> + * vPMD receive routine that reassembles scattered packets
> + *
> + * Notice:
> + * - don't support ol_flags for rss and csum err
> + * - nb_pkts < RTE_IXGBE_DESCS_PER_LOOP, just return no packet
> + * - nb_pkts > RTE_IXGBE_MAX_RX_BURST, only scan RTE_IXGBE_MAX_RX_BURST
> + * numbers of DD bit
In order to make sure nb_pkts > RTE_IXGBE_MAX_RX_BURST, it's necessary
to do RTE_MIN().
> + * - floor align nb_pkts to a RTE_IXGBE_DESC_PER_LOOP power-of-two
> + */
> +uint16_t
> +fm10k_recv_scattered_pkts_vec(void *rx_queue,
> + struct rte_mbuf **rx_pkts,
> + uint16_t nb_pkts)
> +{
> + struct fm10k_rx_queue *rxq = rx_queue;
> + uint8_t split_flags[RTE_FM10K_MAX_RX_BURST] = {0};
> + unsigned i = 0;
> +
> + /* get some new buffers */
> + uint16_t nb_bufs = fm10k_recv_raw_pkts_vec(rxq, rx_pkts, nb_pkts,
> + split_flags);
> + if (nb_bufs == 0)
> + return 0;
> +
> + /* happy day case, full burst + no packets to be joined */
> + const uint64_t *split_fl64 = (uint64_t *)split_flags;
> + if (rxq->pkt_first_seg == NULL &&
> + split_fl64[0] == 0 && split_fl64[1] == 0 &&
> + split_fl64[2] == 0 && split_fl64[3] == 0)
> + return nb_bufs;
> +
> + /* reassemble any packets that need reassembly*/
> + if (rxq->pkt_first_seg == NULL) {
> + /* find the first split flag, and only reassemble then*/
> + while (i < nb_bufs && !split_flags[i])
> + i++;
> + if (i == nb_bufs)
> + return nb_bufs;
> + }
> + return i + fm10k_reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
> + &split_flags[i]);
> +}
next prev parent reply other threads:[~2015-10-27 5:27 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 13:03 [dpdk-dev] [PATCH 00/14] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 01/14] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-22 15:58 ` Stephen Hemminger
2015-10-23 8:39 ` Chen, Jing D
2015-10-23 10:01 ` Bruce Richardson
2015-10-27 5:26 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 00/14] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 01/14] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 02/14] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 03/14] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 04/14] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 05/14] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 06/14] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 07/14] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 08/14] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 09/14] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 10/14] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 11/14] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 12/14] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 13/14] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 14/14] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-11-02 8:36 ` Thomas Monjalon
2015-10-30 8:26 ` [dpdk-dev] [PATCH v5 00/14] Vector Rx/Tx PMD implementation for fm10k Liang, Cunming
2015-11-02 8:38 ` Thomas Monjalon
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 08/16] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-10-29 10:22 ` [dpdk-dev] [PATCH v4 00/16] Vector Rx/Tx PMD implementation for fm10k Liang, Cunming
2015-10-29 23:12 ` Thomas Monjalon
2015-10-30 3:09 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-28 13:58 ` Liang, Cunming
2015-10-29 5:24 ` Chen, Jing D
2015-10-29 8:14 ` Liang, Cunming
2015-10-29 8:37 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 08/16] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-28 14:30 ` Liang, Cunming
2015-10-29 5:27 ` Chen, Jing D
2015-10-29 8:06 ` Liang, Cunming
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-22 15:57 ` Stephen Hemminger
2015-10-23 8:27 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-27 5:24 ` Liang, Cunming
2015-10-27 5:32 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 08/16] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-27 5:27 ` Liang, Cunming [this message]
2015-10-27 5:43 ` Chen, Jing D
2015-10-27 5:55 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 02/14] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 03/14] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 04/14] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 05/14] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 06/14] fm10k: add Vector RX function Chen Jing D(Mark)
2015-09-29 13:14 ` Ananyev, Konstantin
2015-09-29 14:22 ` Bruce Richardson
2015-09-30 13:23 ` Chen, Jing D
2015-09-30 13:18 ` Chen, Jing D
2015-09-29 13:03 ` [dpdk-dev] [PATCH 07/14] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 08/14] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 09/14] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 10/14] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 11/14] fm10k: add Vector TX function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 12/14] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 13/14] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 14/14] fm10k: Add function to decide best TX func Chen Jing D(Mark)
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