From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Hernan Vargas <hernan.vargas@intel.com>,
dev@dpdk.org, gakhil@marvell.com, trix@redhat.com
Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com
Subject: Re: [PATCH v2 10/37] baseband/acc100: avoid mux for small inbound frames
Date: Wed, 14 Sep 2022 22:18:10 +0200 [thread overview]
Message-ID: <93d074af-ad3b-55e6-aa10-bb0d98f019bc@redhat.com> (raw)
In-Reply-To: <20220820023157.189047-11-hernan.vargas@intel.com>
On 8/20/22 04:31, Hernan Vargas wrote:
> Update check_mux to avoid multiplexing small inbound frames.
> Preventing to multiplex code blocks when K < 512B per specs.
It looks like a fix, and so should Fixes tag be added an stable cc'ed.
> Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
> ---
> drivers/baseband/acc100/acc100_pmd.h | 1 +
> drivers/baseband/acc100/rte_acc100_pmd.c | 16 +++++++++++-----
> 2 files changed, 12 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/baseband/acc100/acc100_pmd.h b/drivers/baseband/acc100/acc100_pmd.h
> index 0c9810ca56..19a1f434bc 100644
> --- a/drivers/baseband/acc100/acc100_pmd.h
> +++ b/drivers/baseband/acc100/acc100_pmd.h
> @@ -135,6 +135,7 @@
> #define ACC100_DEC_OFFSET (80)
> #define ACC100_EXT_MEM /* Default option with memory external to CPU */
> #define ACC100_HARQ_OFFSET_THRESHOLD 1024
> +#define ACC100_LIMIT_DL_MUX_BITS 534
>
> /* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2 */
> #define ACC100_N_ZC_1 66 /* N = 66 Zc for BG 1 */
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
> index 5d09908fd0..71409e11a1 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> @@ -3548,20 +3548,25 @@ acc100_enqueue_enc_cb(struct rte_bbdev_queue_data *q_data,
> }
>
> /* Check we can mux encode operations with common FCW */
> -static inline bool
> +static inline int16_t
> check_mux(struct rte_bbdev_enc_op **ops, uint16_t num) {
> uint16_t i;
> if (num <= 1)
> - return false;
> + return 1;
> for (i = 1; i < num; ++i) {
> /* Only mux compatible code blocks */
> if (memcmp((uint8_t *)(&ops[i]->ldpc_enc) + ACC100_ENC_OFFSET,
> (uint8_t *)(&ops[0]->ldpc_enc) +
> ACC100_ENC_OFFSET,
> ACC100_CMP_ENC_SIZE) != 0)
> - return false;
> + return i;
> }
> - return true;
> + /* Avoid multiplexing small inbound size frames */
> + int Kp = (ops[0]->ldpc_enc.basegraph == 1 ? 22 : 10) *
> + ops[0]->ldpc_enc.z_c - ops[0]->ldpc_enc.n_filler;
> + if (Kp <= ACC100_LIMIT_DL_MUX_BITS)
> + return 1;
> + return num;
> }
>
> /** Enqueue encode operations for ACC100 device in CB mode. */
> @@ -3583,7 +3588,8 @@ acc100_enqueue_ldpc_enc_cb(struct rte_bbdev_queue_data *q_data,
> }
> avail--;
> enq = RTE_MIN(left, ACC100_MUX_5GDL_DESC);
> - if (check_mux(&ops[i], enq)) {
> + enq = check_mux(&ops[i], enq);
> + if (enq > 1) {
> ret = enqueue_ldpc_enc_n_op_cb(q, &ops[i],
> desc_idx, enq);
> if (ret < 0) {
next prev parent reply other threads:[~2022-09-14 20:18 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-20 2:31 [PATCH v2 00/37] baseband/acc100: changes for 22.11 Hernan Vargas
2022-08-20 2:31 ` [PATCH v2 01/37] baseband/acc100: add enqueue status Hernan Vargas
2022-09-14 16:26 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 02/37] baseband/acc100: update ring availability calculation Hernan Vargas
2022-09-14 16:43 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 03/37] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-09-14 17:00 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 04/37] baseband/acc100: free SW ring mem for reconfiguration Hernan Vargas
2022-09-14 19:22 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 05/37] baseband/acc100: memory leak fix Hernan Vargas
2022-09-14 8:50 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 06/37] baseband/acc100: add default e value for FCW Hernan Vargas
2022-09-14 19:24 ` Maxime Coquelin
2022-09-15 11:00 ` Thomas Monjalon
2022-09-16 1:12 ` Chautru, Nicolas
2022-09-16 7:11 ` Thomas Monjalon
2022-08-20 2:31 ` [PATCH v2 07/37] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-09-14 19:35 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 08/37] baseband/acc100: add scatter-gather support Hernan Vargas
2022-09-14 20:09 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 09/37] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-09-14 20:16 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 10/37] baseband/acc100: avoid mux for small inbound frames Hernan Vargas
2022-09-14 20:18 ` Maxime Coquelin [this message]
2022-08-20 2:31 ` [PATCH v2 11/37] baseband/acc100: separate validation functions from debug Hernan Vargas
2022-09-14 20:35 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 12/37] baseband/acc100: add LDPC transport block support Hernan Vargas
2022-09-14 20:47 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 13/37] baseband/acc10x: limit cases for HARQ pruning Hernan Vargas
2022-09-15 7:37 ` Maxime Coquelin
2022-09-16 0:31 ` Chautru, Nicolas
2022-08-20 2:31 ` [PATCH v2 14/37] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-09-15 7:43 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 15/37] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-09-15 8:15 ` Maxime Coquelin
2022-09-16 1:20 ` Chautru, Nicolas
2022-08-20 2:31 ` [PATCH v2 16/37] baseband/acc100: add ring companion address Hernan Vargas
2022-09-15 9:09 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 17/37] baseband/acc100: configure PMON control registers Hernan Vargas
2022-09-15 9:12 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 18/37] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-09-15 9:52 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 19/37] baseband/acc100: add queue stop operation Hernan Vargas
2022-09-15 9:55 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 20/37] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-09-15 10:01 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 21/37] baseband/acc100: check for unlikely operation vals Hernan Vargas
2022-09-15 10:02 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 22/37] baseband/acc100: enforce additional check on FCW Hernan Vargas
2022-09-15 10:12 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 23/37] baseband/acc100: update uplink CB input length Hernan Vargas
2022-09-15 10:12 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 24/37] baseband/acc100: rename ldpc encode function arg Hernan Vargas
2022-09-15 10:14 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 25/37] baseband/acc100: update log messages Hernan Vargas
2022-09-15 10:14 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 26/37] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-09-15 10:15 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 27/37] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-09-15 10:18 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 28/37] baseband/acc100: make desc optimization optional Hernan Vargas
2022-09-15 10:19 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 29/37] baseband/acc100: update device info Hernan Vargas
2022-09-15 10:20 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 30/37] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-09-15 10:21 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 31/37] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-09-15 10:22 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 32/37] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-09-15 10:23 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 33/37] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-09-15 10:24 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 34/37] baseband/acc100: update meson file sdk dependency Hernan Vargas
2022-09-15 10:31 ` Maxime Coquelin
2022-09-15 10:57 ` Thomas Monjalon
2022-09-16 0:39 ` Chautru, Nicolas
2022-08-20 2:31 ` [PATCH v2 35/37] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-09-15 11:33 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 36/37] baseband/acc100: make HARQ layout memory 4GB Hernan Vargas
2022-09-15 11:33 ` Maxime Coquelin
2022-08-20 2:31 ` [PATCH v2 37/37] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-09-15 11:34 ` Maxime Coquelin
2022-08-23 15:59 ` [EXT] [PATCH v2 00/37] baseband/acc100: changes for 22.11 Akhil Goyal
2022-08-24 18:23 ` Chautru, Nicolas
2022-09-06 20:03 ` Chautru, Nicolas
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