[PATCH net 1/3] net: mvpp2: fix TSO headers allocation and management

[Antoine Tenart]

From: Yan Markman <ymark...@marvell.com>

TSO headers are managed with txq index and therefore should be aligned
with the txq size, not with the aggregated txq size.

Fixes: 186cd4d4e414 ("net: mvpp2: software tso support")
Reported-by: Marc Zyngier <marc.zyng...@arm.com>
Signed-off-by: Yan Markman <ymark...@marvell.com>
Signed-off-by: Antoine Tenart <antoine.ten...@free-electrons.com>
---
 drivers/net/ethernet/marvell/mvpp2.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2.c 
b/drivers/net/ethernet/marvell/mvpp2.c
index 1a540c88c974..2898ac70b826 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -5609,7 +5609,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
 
                txq_pcpu->tso_headers =
                        dma_alloc_coherent(port->dev->dev.parent,
-                                          MVPP2_AGGR_TXQ_SIZE * 
TSO_HEADER_SIZE,
+                                          txq_pcpu->size * TSO_HEADER_SIZE,
                                           &txq_pcpu->tso_headers_dma,
                                           GFP_KERNEL);
                if (!txq_pcpu->tso_headers)
@@ -5623,7 +5623,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port,
                kfree(txq_pcpu->buffs);
 
                dma_free_coherent(port->dev->dev.parent,
-                                 MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE,
+                                 txq_pcpu->size * TSO_HEADER_SIZE,
                                  txq_pcpu->tso_headers,
                                  txq_pcpu->tso_headers_dma);
        }
@@ -5647,7 +5647,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port,
                kfree(txq_pcpu->buffs);
 
                dma_free_coherent(port->dev->dev.parent,
-                                 MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE,
+                                 txq_pcpu->size * TSO_HEADER_SIZE,
                                  txq_pcpu->tso_headers,
                                  txq_pcpu->tso_headers_dma);
        }
-- 
2.14.2