Set the physical address for digest buffer.

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

Signed-off-by: Radu Nicolau <radu.nicolau@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