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 06/16] fm10k: add Vector RX function
Date: Tue, 27 Oct 2015 13:24:58 +0800 [thread overview]
Message-ID: <562F0AAA.6060008@intel.com> (raw)
In-Reply-To: <1445507104-22563-7-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_raw_pkts_vec to parse raw packets, in which
> includes possible chained packets.
> Add func fm10k_recv_pkts_vec to receive single mbuf packet.
>
> Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
> ---
> drivers/net/fm10k/fm10k.h | 1 +
> drivers/net/fm10k/fm10k_rxtx_vec.c | 196 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 197 insertions(+), 0 deletions(-)
[...]
> + /* mask to shuffle from desc. to mbuf */
> + shuf_msk = _mm_set_epi8(
> + 7, 6, 5, 4, /* octet 4~7, 32bits rss */
> + 15, 14, /* octet 14~15, low 16 bits vlan_macip */
> + 13, 12, /* octet 12~13, 16 bits data_len */
> + 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
> + 13, 12, /* octet 12~13, low 16 bits pkt_len */
> + 0xFF, 0xFF, /* skip high 16 bits pkt_type */
> + 0xFF, 0xFF /* Skip pkt_type field in shuffle operation */
> + );
> +
> + /* Cache is empty -> need to scan the buffer rings, but first move
> + * the next 'n' mbufs into the cache
> + */
> + mbufp = &rxq->sw_ring[next_dd];
> +
> + /* A. load 4 packet in one loop
> + * [A*. mask out 4 unused dirty field in desc]
> + * B. copy 4 mbuf point from swring to rx_pkts
> + * C. calc the number of DD bits among the 4 packets
> + * [C*. extract the end-of-packet bit, if requested]
> + * D. fill info. from desc to mbuf
> + */
> + for (pos = 0, nb_pkts_recd = 0; pos < nb_pkts;
It's necessary to floor align the nb_pkts into RTE_FM10K_DESCS_PER_LOOP,
otherwise it may exceed the rx_pkts array.
e.g. nb_pkts is 6, it executes twice in the loop which has chance to get
8 packets done, but rx_pkts only expect 6 packets.
>
> + pos += RTE_FM10K_DESCS_PER_LOOP,
> + rxdp += RTE_FM10K_DESCS_PER_LOOP) {
> + __m128i descs0[RTE_FM10K_DESCS_PER_LOOP];
> + __m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
> + __m128i zero, staterr, sterr_tmp1, sterr_tmp2;
> + __m128i mbp1, mbp2; /* two mbuf pointer in one XMM reg. */
> +
>
next prev parent reply other threads:[~2015-10-27 5:25 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 [this message]
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
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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