2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
index 601224736b9b..dbd7b78fe01c 100644
--- a/drivers/net/ethernet/sfc/efx.h
+++ b/drivers/net/ethernet/sfc/efx.h
@@ -66,6 +66,9 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
 #define EFX_RXQ_MIN_ENT         128U
 #define EFX_TXQ_MIN_ENT(efx)    (2 * efx_tx_max_skb_descs(efx))
 
+#define EFX_TXQ_MAX_ENT(efx)    (EFX_WORKAROUND_35388(efx) ? \
+                                 EFX_MAX_DMAQ_SIZE / 2 : EFX_MAX_DMAQ_SIZE)
+
 /* Filters */
 
 /**
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index f181522688b2..229428915aa8 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -591,7 +591,7 @@ static void efx_ethtool_get_ringparam(struct net_device *net_dev,
         struct efx_nic *efx = netdev_priv(net_dev);
 
         ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
-        ring->tx_max_pending = EFX_MAX_DMAQ_SIZE;
+        ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx);
         ring->rx_pending = efx->rxq_entries;
         ring->tx_pending = efx->txq_entries;
 }
@@ -604,7 +604,7 @@ static int efx_ethtool_set_ringparam(struct net_device *net_dev,
 
         if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
             ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
-            ring->tx_pending > EFX_MAX_DMAQ_SIZE)
+            ring->tx_pending > EFX_TXQ_MAX_ENT(efx))
                 return -EINVAL;
 
         if (ring->rx_pending < EFX_RXQ_MIN_ENT) {