[v2,2/7] common/dpaax: caamflib: fix PDCP SNOW-ZUC wdog DECO err

Message ID 20240806102732.3225536-3-g.singh@nxp.com (mailing list archive)
State New
Delegated to: akhil goyal
Headers
Series DPAA2 crypto changes |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Gagandeep Singh Aug. 6, 2024, 10:27 a.m. UTC
From: Varun Sethi <v.sethi@nxp.com>

Adding a Jump instruction with CALM flag to ensure
previous processing has been completed.

Fixes: 8827d94398f1 ("crypto/dpaa2_sec/hw: support AES-AES 18-bit PDCP")
Cc: vakul.garg@nxp.com
Cc: stable@dpdk.org

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
Signed-off-by: Varun Sethi <v.sethi@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/common/dpaax/caamflib/desc/pdcp.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
  

Patch

diff --git a/drivers/common/dpaax/caamflib/desc/pdcp.h b/drivers/common/dpaax/caamflib/desc/pdcp.h
index bc35114cf4..9ada3905c5 100644
--- a/drivers/common/dpaax/caamflib/desc/pdcp.h
+++ b/drivers/common/dpaax/caamflib/desc/pdcp.h
@@ -1220,6 +1220,11 @@  pdcp_insert_cplane_snow_aes_op(struct program *p,
 		SEQFIFOLOAD(p, MSG1, 0, VLF | LAST1 | FLUSH1);
 		MOVEB(p, CONTEXT1, 0, MATH3, 0, 4, WAITCOMP | IMMED);
 
+		/* conditional jump with calm added to ensure that the
+		 * previous processing has been completed
+		 */
+		JUMP(p, 1, LOCAL_JUMP, ALL_TRUE, CALM);
+
 		LOAD(p, CLRW_RESET_CLS1_CHA |
 		     CLRW_CLR_C1KEY |
 		     CLRW_CLR_C1CTX |
@@ -1921,6 +1926,11 @@  pdcp_insert_cplane_zuc_aes_op(struct program *p,
 
 		MOVEB(p, OFIFO, 0, MATH3, 0, 4, IMMED);
 
+		/* conditional jump with calm added to ensure that the
+		 * previous processing has been completed
+		 */
+		JUMP(p, 1, LOCAL_JUMP, ALL_TRUE, CALM);
+
 		LOAD(p, CLRW_RESET_CLS1_CHA |
 		     CLRW_CLR_C1KEY |
 		     CLRW_CLR_C1CTX |