DPDK patches and discussions
 help / color / mirror / Atom feed
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 v3 03/10] test/bbdev: handle exception for LLR generation
Date: Fri,  3 Nov 2023 23:34:06 +0000	[thread overview]
Message-ID: <20231103233413.756110-4-nicolas.chautru@intel.com> (raw)
In-Reply-To: <20231103233413.756110-1-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 09e4549b10..468cfeccd2 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:[~2023-11-03 23:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-03 23:34 [PATCH v3 00/10] test-bbdev changes for 23.11 Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 01/10] test/bbdev: fix python script subprocess Nicolas Chautru
2023-11-09 12:37   ` Maxime Coquelin
2023-11-03 23:34 ` [PATCH v3 02/10] test/bbdev: rename macros from acc200 to vrb Nicolas Chautru
2023-11-09 12:37   ` Maxime Coquelin
2023-11-03 23:34 ` Nicolas Chautru [this message]
2023-11-09 12:46   ` [PATCH v3 03/10] test/bbdev: handle exception for LLR generation Maxime Coquelin
2023-11-03 23:34 ` [PATCH v3 04/10] test/bbdev: improve test log messages Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 05/10] test/bbdev: assert failed test for queue configure Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 06/10] test/bbdev: ldpc encoder concatenation vector Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 07/10] test/bbdev: add MLD support Nicolas Chautru
2023-11-09 15:44   ` Maxime Coquelin
2023-11-03 23:34 ` [PATCH v3 08/10] test/bbdev: support new FFT capabilities Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 09/10] test/bbdev: support 4 bit LLR compression Nicolas Chautru
2023-11-03 23:34 ` [PATCH v3 10/10] test/bbdev: update python script parameters Nicolas Chautru
2023-11-09 10:16   ` Maxime Coquelin
2023-11-09 15:37     ` Chautru, Nicolas
2023-11-09 15:51 ` [PATCH v3 00/10] test-bbdev changes for 23.11 Maxime Coquelin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231103233413.756110-4-nicolas.chautru@intel.com \
    --to=nicolas.chautru@intel.com \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=hemant.agrawal@nxp.com \
    --cc=hernan.vargas@intel.com \
    --cc=maxime.coquelin@redhat.com \
    --cc=stable@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).