From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>,
"Kiran Kumar K" <kirankumark@marvell.com>,
Sunil Kumar Kori <skori@marvell.com>,
Satha Rao <skoteshwar@marvell.com>
Cc: <dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com>
Subject: [PATCH v2] event/cnxk: fix incorrect mbuf offset calculation
Date: Tue, 25 Oct 2022 21:41:29 +0530 [thread overview]
Message-ID: <20221025161129.15933-1-pbhagavatula@marvell.com> (raw)
In-Reply-To: <20221025154653.10482-1-pbhagavatula@marvell.com>
From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Fix incorrect mbuf offset calculation when HEADROOM exceeds 128B
while processing event vectors.
Fixes: 7fbbc981d54f("event/cnxk: support vectorized Rx event fast path")
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
v2 Changes:
- Remove internal Change-Id.
drivers/net/cnxk/cn10k_rx.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/net/cnxk/cn10k_rx.h b/drivers/net/cnxk/cn10k_rx.h
index 46488d442e..f562a75245 100644
--- a/drivers/net/cnxk/cn10k_rx.h
+++ b/drivers/net/cnxk/cn10k_rx.h
@@ -1201,9 +1201,11 @@ cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
mbuf23 = vqsubq_u64(mbuf23, data_off);
} else {
mbuf01 =
- vsubq_u64(vld1q_u64((uint64_t *)cq0), data_off);
- mbuf23 = vsubq_u64(vld1q_u64((uint64_t *)(cq0 + 16)),
- data_off);
+ vsubq_u64(vld1q_u64((uint64_t *)cq0),
+ vdupq_n_u64(sizeof(struct rte_mbuf)));
+ mbuf23 =
+ vsubq_u64(vld1q_u64((uint64_t *)(cq0 + 16)),
+ vdupq_n_u64(sizeof(struct rte_mbuf)));
}
/* Move mbufs to scalar registers for future use */
--
2.25.1
next prev parent reply other threads:[~2022-10-25 16:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-25 15:46 [PATCH] " pbhagavatula
2022-10-25 16:11 ` pbhagavatula [this message]
2022-11-07 12:00 ` [PATCH v2] " Jerin Jacob
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