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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, stable@dpdk.org
Subject: Re: [PATCH v3 07/30] baseband/acc100: enforce additional check on FCW
Date: Fri, 14 Oct 2022 11:48:23 +0200	[thread overview]
Message-ID: <896f979c-7b99-a2c6-ca5b-db3ab19c48a3@redhat.com> (raw)
In-Reply-To: <20221012025346.204394-8-hernan.vargas@intel.com>



On 10/12/22 04:53, Hernan Vargas wrote:
> Enforce additional check on Frame Control Word validity and add stronger
> alignment for decompression mode.
> 
> Fixes: 5ad5060f8f7 ("baseband/acc100: add LDPC processing functions")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
> ---
>   drivers/baseband/acc/acc100_pmd.h     |  1 +
>   drivers/baseband/acc/acc_common.h     |  1 +
>   drivers/baseband/acc/rte_acc100_pmd.c | 51 ++++++++++++++++++++++++---
>   3 files changed, 48 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/baseband/acc/acc100_pmd.h b/drivers/baseband/acc/acc100_pmd.h
> index b325948904..28063b3db0 100644
> --- a/drivers/baseband/acc/acc100_pmd.h
> +++ b/drivers/baseband/acc/acc100_pmd.h
> @@ -87,6 +87,7 @@
>   #define ACC100_HARQ_DDR         (512 * 1)
>   #define ACC100_PRQ_DDR_VER       0x10092020
>   #define ACC100_DDR_TRAINING_MAX (5000)
> +#define ACC100_HARQ_ALIGN_COMP   256
>   
>   struct acc100_registry_addr {
>   	unsigned int dma_ring_dl5g_hi;
> diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h
> index b3ac9800d1..b18319c06d 100644
> --- a/drivers/baseband/acc/acc_common.h
> +++ b/drivers/baseband/acc/acc_common.h
> @@ -119,6 +119,7 @@
>   
>   #define ACC_ALGO_SPA                0
>   #define ACC_ALGO_MSA                1
> +#define ACC_HARQ_ALIGN_64B          64
>   
>   /* Helper macro for logging */
>   #define rte_acc_log(level, fmt, ...) \
> diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
> index 5e8ed78559..c1446b3721 100644
> --- a/drivers/baseband/acc/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc/rte_acc100_pmd.c
> @@ -1038,6 +1038,7 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   	uint16_t harq_index;
>   	uint32_t l;
>   	bool harq_prun = false;
> +	uint32_t max_hc_in;
>   
>   	fcw->qm = op->ldpc_dec.q_m;
>   	fcw->nfiller = op->ldpc_dec.n_filler;
> @@ -1087,8 +1088,14 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   		harq_in_length = op->ldpc_dec.harq_combined_input.length;
>   		if (fcw->hcin_decomp_mode > 0)
>   			harq_in_length = harq_in_length * 8 / 6;
> -		harq_in_length = RTE_ALIGN(harq_in_length, 64);
> -		if ((harq_layout[harq_index].offset > 0) & harq_prun) {
> +		harq_in_length = RTE_MIN(harq_in_length, op->ldpc_dec.n_cb
> +				- op->ldpc_dec.n_filler);
> +		/* Alignment on next 64B - Already enforced from HC output */
> +		harq_in_length = RTE_ALIGN_FLOOR(harq_in_length, ACC_HARQ_ALIGN_64B);
> +		/* Stronger alignment requirement when in decompression mode */
> +		if (fcw->hcin_decomp_mode > 0)
> +			harq_in_length = RTE_ALIGN_FLOOR(harq_in_length, ACC100_HARQ_ALIGN_COMP);
> +		if ((harq_layout[harq_index].offset > 0) && harq_prun) {

New lines in the above chunk would provide more clarity.
This is very packed.

>   			rte_bbdev_log_debug("HARQ IN offset unexpected for now\n");
>   			fcw->hcin_size0 = harq_layout[harq_index].size0;
>   			fcw->hcin_offset = harq_layout[harq_index].offset;
> @@ -1104,6 +1111,20 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   		fcw->hcin_offset = 0;
>   		fcw->hcin_size1 = 0;
>   	}
> +	/* Enforce additional check on FCW validity */
> +	max_hc_in = RTE_ALIGN_CEIL(fcw->ncb - fcw->nfiller, ACC_HARQ_ALIGN_64B);
> +	if ((fcw->hcin_size0 > max_hc_in) ||
> +			(fcw->hcin_size1 + fcw->hcin_offset > max_hc_in) ||
> +			((fcw->hcin_size0 > fcw->hcin_offset) &&
> +			(fcw->hcin_size1 != 0))) {
> +		rte_bbdev_log(ERR, " Invalid FCW : HCIn %d %d %d, Ncb %d F %d",
> +				fcw->hcin_size0, fcw->hcin_size1,
> +				fcw->hcin_offset,
> +				fcw->ncb, fcw->nfiller);
> +		/* Disable HARQ input in that case to carry forward */
> +		op->ldpc_dec.op_flags ^= RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE;
> +		fcw->hcin_en = 0;
> +	}
>   
>   	fcw->itmax = op->ldpc_dec.iter_max;
>   	fcw->itstop = check_bit(op->ldpc_dec.op_flags,
> @@ -1132,10 +1153,19 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   		k0_p = (fcw->k0 > parity_offset) ?
>   				fcw->k0 - op->ldpc_dec.n_filler : fcw->k0;
>   		ncb_p = fcw->ncb - op->ldpc_dec.n_filler;
> -		l = k0_p + fcw->rm_e;
> +		l = RTE_MIN(k0_p + fcw->rm_e, INT16_MAX);
>   		harq_out_length = (uint16_t) fcw->hcin_size0;
> -		harq_out_length = RTE_MIN(RTE_MAX(harq_out_length, l), ncb_p);
> -		harq_out_length = (harq_out_length + 0x3F) & 0xFFC0;
> +		harq_out_length = RTE_MAX(harq_out_length, l);
> +		/* Stronger alignment when in compression mode */
> +		if (fcw->hcout_comp_mode > 0)
> +			harq_out_length = RTE_ALIGN_CEIL(harq_out_length, ACC100_HARQ_ALIGN_COMP);
> +		/* Cannot exceed the pruned Ncb circular buffer */
> +		harq_out_length = RTE_MIN(harq_out_length, ncb_p);
> +		/* Alignment on next 64B */
> +		harq_out_length = RTE_ALIGN_CEIL(harq_out_length, ACC_HARQ_ALIGN_64B);
> +		/* Stronger alignment when in compression mode enforced again */
> +		if (fcw->hcout_comp_mode > 0)
> +			harq_out_length = RTE_ALIGN_FLOOR(harq_out_length, ACC100_HARQ_ALIGN_COMP);

Same here, this is very packed.

>   		if ((k0_p > fcw->hcin_size0 + ACC_HARQ_OFFSET_THRESHOLD) &&
>   				harq_prun) {
>   			fcw->hcout_size0 = (uint16_t) fcw->hcin_size0;
> @@ -1146,6 +1176,13 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   			fcw->hcout_size1 = 0;
>   			fcw->hcout_offset = 0;
>   		}
> +		if (fcw->hcout_size0 == 0) {
> +			rte_bbdev_log(ERR, " Invalid FCW : HCout %d",
> +				fcw->hcout_size0);
> +			op->ldpc_dec.op_flags ^= RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE;
> +			fcw->hcout_en = 0;
> +		}
> +
>   		harq_layout[harq_index].offset = fcw->hcout_offset;
>   		harq_layout[harq_index].size0 = fcw->hcout_size0;
>   	} else {
> @@ -1186,6 +1223,10 @@ acc101_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
>   		/* Disable HARQ input in that case to carry forward */
>   		op->ldpc_dec.op_flags ^= RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE;
>   	}
> +	if (unlikely(fcw->rm_e == 0)) {
> +		rte_bbdev_log(WARNING, "Null E input provided");
> +		fcw->rm_e = 2;
> +	}
>   
>   	fcw->hcin_en = check_bit(op->ldpc_dec.op_flags,
>   			RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE);


  reply	other threads:[~2022-10-14  9:48 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-12  2:53 [PATCH v3 00/30] baseband/acc100: changes for 22.11 Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 01/30] baseband/acc100: fix ring availability calculation Hernan Vargas
2022-10-14  9:18   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 02/30] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-10-14  9:25   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 03/30] baseband/acc100: memory leak fix Hernan Vargas
2022-10-14  9:29   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 04/30] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-10-14  9:33   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 05/30] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-10-14  9:35   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 06/30] baseband/acc100: check for unlikely operation vals Hernan Vargas
2022-10-14  9:39   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 07/30] baseband/acc100: enforce additional check on FCW Hernan Vargas
2022-10-14  9:48   ` Maxime Coquelin [this message]
2022-10-12  2:53 ` [PATCH v3 08/30] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-10-14  9:55   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 09/30] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-10-14  9:56   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 10/30] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-10-14  9:56   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 11/30] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-10-14 10:02   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 12/30] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-10-14 10:03   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 13/30] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-10-14 10:03   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 14/30] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-10-14 10:03   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 15/30] baseband/acc100: add enqueue status Hernan Vargas
2022-10-14 10:04   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 16/30] baseband/acc100: add scatter-gather support Hernan Vargas
2022-10-14 10:06   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 17/30] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-10-14 10:06   ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 18/30] baseband/acc100: enable input validation by default Hernan Vargas
2022-10-13 12:56   ` [EXT] " Akhil Goyal
2022-10-18 16:28   ` Maxime Coquelin
2022-10-19 22:12     ` Chautru, Nicolas
2022-10-21  8:06       ` Maxime Coquelin
2022-10-12  2:53 ` [PATCH v3 19/30] baseband/acc100: added LDPC transport block support Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 20/30] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 21/30] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 22/30] baseband/acc100: add queue stop operation Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 23/30] baseband/acc100: update uplink CB input length Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 24/30] baseband/acc100: rename ldpc encode function arg Hernan Vargas
2022-10-13 13:04   ` [EXT] " Akhil Goyal
2022-10-12  2:53 ` [PATCH v3 25/30] baseband/acc100: update log messages Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 26/30] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 27/30] baseband/acc100: update device info Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 28/30] baseband/acc100: add ring companion address Hernan Vargas
2022-10-12  2:53 ` [PATCH v3 29/30] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-10-13 13:09   ` [EXT] " Akhil Goyal
2022-10-12  2:53 ` [PATCH v3 30/30] baseband/acc100: configure PMON control registers Hernan Vargas
2022-10-13  8:28 ` [EXT] [PATCH v3 00/30] baseband/acc100: changes for 22.11 Akhil Goyal
2022-10-13 13:01 ` Akhil Goyal
2022-10-14  2:46   ` Chautru, Nicolas
2022-10-14  6:33     ` Akhil Goyal

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