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From: Hernan Vargas <hernan.vargas@intel.com>
To: dev@dpdk.org, gakhil@marvell.com, trix@redhat.com,
	maxime.coquelin@redhat.com
Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com,
	Hernan Vargas <hernan.vargas@intel.com>,
	stable@dpdk.org
Subject: [PATCH v4 07/30] baseband/acc100: enforce additional check on FCW
Date: Tue, 18 Oct 2022 17:38:55 -0700	[thread overview]
Message-ID: <20221019003918.257506-8-hernan.vargas@intel.com> (raw)
In-Reply-To: <20221019003918.257506-1-hernan.vargas@intel.com>

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 | 71 ++++++++++++++++++++++-----
 3 files changed, 62 insertions(+), 11 deletions(-)

diff --git a/drivers/baseband/acc/acc100_pmd.h b/drivers/baseband/acc/acc100_pmd.h
index 9486e98521..eb6349c85a 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 6f141c95ce..97d10b8b40 100644
--- a/drivers/baseband/acc/acc_common.h
+++ b/drivers/baseband/acc/acc_common.h
@@ -120,6 +120,7 @@
 
 #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 50c1536dee..1c83d591e3 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -1039,6 +1039,7 @@ 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;
@@ -1088,13 +1089,22 @@ 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) {
 			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;
-			fcw->hcin_size1 = harq_in_length -
-					harq_layout[harq_index].offset;
+			fcw->hcin_size1 = harq_in_length - harq_layout[harq_index].offset;
 		} else {
 			fcw->hcin_size0 = harq_in_length;
 			fcw->hcin_offset = 0;
@@ -1106,6 +1116,21 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
 		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,
 			RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE);
@@ -1130,15 +1155,27 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
 	if (fcw->hcout_en > 0) {
 		parity_offset = (op->ldpc_dec.basegraph == 1 ? 20 : 8)
 			* op->ldpc_dec.z_c - op->ldpc_dec.n_filler;
-		k0_p = (fcw->k0 > parity_offset) ?
-				fcw->k0 - op->ldpc_dec.n_filler : fcw->k0;
+		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;
-		if ((k0_p > fcw->hcin_size0 + ACC_HARQ_OFFSET_THRESHOLD) &&
-				harq_prun) {
+		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);
+
+		if ((k0_p > fcw->hcin_size0 + ACC_HARQ_OFFSET_THRESHOLD) && harq_prun) {
 			fcw->hcout_size0 = (uint16_t) fcw->hcin_size0;
 			fcw->hcout_offset = k0_p & 0xFFC0;
 			fcw->hcout_size1 = harq_out_length - fcw->hcout_offset;
@@ -1147,6 +1184,14 @@ 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 {
@@ -1187,6 +1232,10 @@ 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);
-- 
2.37.1


  parent reply	other threads:[~2022-10-18 16:43 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-19  0:38 [PATCH v4 00/30] baseband/acc100: changes for 22.11 Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 01/30] baseband/acc100: fix ring availability calculation Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 02/30] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 03/30] baseband/acc100: memory leak fix Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 04/30] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-10-20  9:58   ` [EXT] " Akhil Goyal
2022-10-19  0:38 ` [PATCH v4 05/30] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 06/30] baseband/acc100: check for unlikely operation vals Hernan Vargas
2022-10-19  0:38 ` Hernan Vargas [this message]
2022-10-19  0:38 ` [PATCH v4 08/30] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 09/30] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 10/30] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 11/30] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 12/30] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 13/30] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 14/30] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 15/30] baseband/acc100: add enqueue status Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 16/30] baseband/acc100: add scatter-gather support Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 17/30] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 18/30] baseband/acc100: enable input validation by default Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 19/30] baseband/acc100: added LDPC transport block support Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 20/30] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 21/30] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 22/30] baseband/acc100: add queue stop operation Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 23/30] baseband/acc100: update uplink CB input length Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 24/30] baseband/acc100: update log messages Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 25/30] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 26/30] baseband/acc100: update device info Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 27/30] baseband/acc100: add ring companion address Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 28/30] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 29/30] baseband/acc100: configure PMON control registers Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 30/30] baseband/acc100: update guide docs Hernan Vargas
2022-10-20  9:59   ` [EXT] " Akhil Goyal

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