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From: Nicolas Chautru <nicolas.chautru@intel.com>
To: dev@dpdk.org, maxime.coquelin@redhat.com
Cc: hemant.agrawal@nxp.com, david.marchand@redhat.com,
	hernan.vargas@intel.com, stable@dpdk.org
Subject: [PATCH v2 04/10] test/bbdev: handle exception for LLR generation
Date: Fri, 27 Oct 2023 22:57:22 +0000	[thread overview]
Message-ID: <20231027225728.563914-5-nicolas.chautru@intel.com> (raw)
In-Reply-To: <20231027225728.563914-1-nicolas.chautru@intel.com>

From: Hernan Vargas <hernan.vargas@intel.com>

Add range limit to prevent LLR generation greater than the data buffer
size.

Fixes: 7831a9684356 ("test/bbdev: support BLER for 4G")
Cc: stable@dpdk.org

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
---
 app/test-bbdev/test_bbdev_perf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
index d4c001de00..54cb2090f9 100644
--- a/app/test-bbdev/test_bbdev_perf.c
+++ b/app/test-bbdev/test_bbdev_perf.c
@@ -1838,6 +1838,12 @@ generate_turbo_llr_input(uint16_t n, struct rte_bbdev_op_data *inputs,
 	range = ref_op->turbo_dec.input.length;
 	N0 = 1.0 / pow(10.0, get_snr() / 10.0);
 
+	if (range > inputs[0].data->data_len) {
+		printf("Warning: Limiting LLR generation to first segment (%d from %d)\n",
+				inputs[0].data->data_len, range);
+		range = inputs[0].data->data_len;
+	}
+
 	for (i = 0; i < n; ++i) {
 		m = inputs[i].data;
 		int8_t *llrs = rte_pktmbuf_mtod_offset(m, int8_t *, 0);
-- 
2.34.1


  parent reply	other threads:[~2023-10-27 23:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-27 22:57 [PATCH v2 00/10] test-bbdev changes for 23.11 Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 01/10] test/bbdev: fix python script subprocess Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 02/10] test/bbdev: update python script parameters Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 03/10] test/bbdev: rename macros from acc200 to vrb Nicolas Chautru
2023-10-27 22:57 ` Nicolas Chautru [this message]
2023-10-27 22:57 ` [PATCH v2 05/10] test/bbdev: improve test log messages Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 06/10] test/bbdev: assert failed test for queue configure Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 07/10] test/bbdev: ldpc encoder concatenation vector Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 08/10] test/bbdev: add MLD support Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 09/10] test/bbdev: support new FFT capabilities Nicolas Chautru
2023-10-27 22:57 ` [PATCH v2 10/10] test/bbdev: support 4 bit LLR compression Nicolas Chautru

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