[PATCH 1/2] pdcp: add digest physical address

[Ji, Kai]

Acked-by: Kai Ji <kai.ji at intel.com>

________________________________
From: Radu Nicolau <radu.nicolau at intel.com>
Sent: 02 December 2025 10:45
To: dev at dpdk.org <dev at dpdk.org>
Cc: Nicolau, Radu <radu.nicolau at intel.com>; stable at dpdk.org <stable at dpdk.org>; Anoob Joseph <anoobj at marvell.com>; Volodymyr Fialko <vfialko at marvell.com>; Akhil Goyal <gakhil at marvell.com>; Kiran Kumar K <kirankumark at marvell.com>
Subject: [PATCH 1/2] pdcp: add digest physical address

Set the physical address for digest buffer.

Fixes: a785af14ff79 ("pdcp: add pre and post process for UL")
Cc: stable at dpdk.org

Signed-off-by: Radu Nicolau <radu.nicolau at intel.com>
---
 lib/pdcp/pdcp_process.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/pdcp/pdcp_process.c b/lib/pdcp/pdcp_process.c
index 9b9b881124..f55ae3bec0 100644
--- a/lib/pdcp/pdcp_process.c
+++ b/lib/pdcp/pdcp_process.c
@@ -351,6 +351,8 @@ cop_prepare(const struct entity_priv *en_priv, struct rte_mbuf *mb, struct rte_c
                 op->auth.data.length = (pkt_len - RTE_PDCP_MAC_I_LEN) << auth_shift;
                 op->auth.digest.data = rte_pktmbuf_mtod_offset(mb, uint8_t *,
                                                                (pkt_len - RTE_PDCP_MAC_I_LEN));
+               op->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mb,
+                                                              (pkt_len - RTE_PDCP_MAC_I_LEN));
         }

         __rte_crypto_sym_op_attach_sym_session(op, en_priv->crypto_sess);
--
2.50.1

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