[PATCH] net/sfc: account for data offset on Tx

Viacheslav Galaktionov viacheslav.galaktionov at arknetworks.am
Mon Sep 11 12:47:41 CEST 2023


Memory buffers passed by the application may contain private data,
which must not be sent to the NIC. Omit this private data by using
the actual data address instead of the default one.

Fixes: 3037e6cf3dde ("net/sfc: support regioned NIC DMA memory mapping type")
Cc: stable at dpdk.org

Signed-off-by: Viacheslav Galaktionov <viacheslav.galaktionov at arknetworks.am>
Reviewed-by: Ivan Malov <ivan.malov at arknetworks.am>
Reviewed-by: Andy Moreton <amoreton at xilinx.com>
---
 drivers/net/sfc/sfc_ef100_tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/sfc/sfc_ef100_tx.c b/drivers/net/sfc/sfc_ef100_tx.c
index 4c2205f7a4..1b6374775f 100644
--- a/drivers/net/sfc/sfc_ef100_tx.c
+++ b/drivers/net/sfc/sfc_ef100_tx.c
@@ -405,7 +405,7 @@ sfc_ef100_tx_qdesc_send_create(const struct sfc_ef100_txq *txq,
 				m->l2_len + m->l3_len) >> 1;
 	}
 
-	rc = sfc_ef100_tx_map(txq, rte_mbuf_data_iova_default(m),
+	rc = sfc_ef100_tx_map(txq, rte_mbuf_data_iova(m),
 			      rte_pktmbuf_data_len(m), &dma_addr);
 	if (unlikely(rc != 0))
 		return rc;
-- 
2.42.0



More information about the stable mailing list