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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net,
pbhagavatula@marvell.com, ndabilpuram@marvell.com,
Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH v3 14/16] ipsec: use previous value atomic fetch operations
Date: Mon, 20 Mar 2023 12:00:34 -0700
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Use __atomic_fetch_{add,and,or,sub,xor} instead of
__atomic_{add,and,or,sub,xor}_fetch adding the necessary code to
allow consumption of the resulting value.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
lib/ipsec/ipsec_sqn.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/ipsec/ipsec_sqn.h b/lib/ipsec/ipsec_sqn.h
index 2636cb1..505950e 100644
--- a/lib/ipsec/ipsec_sqn.h
+++ b/lib/ipsec/ipsec_sqn.h
@@ -128,7 +128,7 @@
n = *num;
if (SQN_ATOMIC(sa))
- sqn = __atomic_add_fetch(&sa->sqn.outb, n, __ATOMIC_RELAXED);
+ sqn = __atomic_fetch_add(&sa->sqn.outb, n, __ATOMIC_RELAXED) + n;
else {
sqn = sa->sqn.outb + n;
sa->sqn.outb = sqn;
--
1.8.3.1