X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ffailsafe%2Ffailsafe_rxtx.c;h=fee08fa23c2285329387f79245e3ba4322e6af57;hb=caa01424337c5bc26c30817723d8001b86784645;hp=363cf7ba80d2755797c9273345566b3fd56fecd8;hpb=009c327c886432018e23ecb88c25513d69a73661;p=dpdk.git

diff --git a/drivers/net/failsafe/failsafe_rxtx.c b/drivers/net/failsafe/failsafe_rxtx.c
index 363cf7ba80..fee08fa23c 100644
--- a/drivers/net/failsafe/failsafe_rxtx.c
+++ b/drivers/net/failsafe/failsafe_rxtx.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
+ * Copyright 2017 Mellanox Technologies, Ltd
  */
 
 #include <rte_atomic.h>
@@ -29,7 +29,7 @@ fs_tx_unsafe(struct sub_device *sdev)
 }
 
 void
-set_burst_fn(struct rte_eth_dev *dev, int force_safe)
+failsafe_set_burst_fn(struct rte_eth_dev *dev, int force_safe)
 {
 	struct sub_device *sdev;
 	uint8_t i;
@@ -61,6 +61,21 @@ set_burst_fn(struct rte_eth_dev *dev, int force_safe)
 	rte_wmb();
 }
 
+/*
+ * Override source port in Rx packets.
+ *
+ * Make Rx packets originate from this PMD instance instead of one of its
+ * sub-devices. This is mandatory to avoid breaking applications.
+ */
+static void
+failsafe_rx_set_port(struct rte_mbuf **rx_pkts, uint16_t nb_pkts, uint16_t port)
+{
+	unsigned int i;
+
+	for (i = 0; i != nb_pkts; ++i)
+		rx_pkts[i]->port = port;
+}
+
 uint16_t
 failsafe_rx_burst(void *queue,
 		  struct rte_mbuf **rx_pkts,
@@ -87,6 +102,9 @@ failsafe_rx_burst(void *queue,
 		sdev = sdev->next;
 	} while (nb_rx == 0 && sdev != rxq->sdev);
 	rxq->sdev = sdev;
+	if (nb_rx)
+		failsafe_rx_set_port(rx_pkts, nb_rx,
+				     rxq->priv->data->port_id);
 	return nb_rx;
 }
 
@@ -112,6 +130,9 @@ failsafe_rx_burst_fast(void *queue,
 		sdev = sdev->next;
 	} while (nb_rx == 0 && sdev != rxq->sdev);
 	rxq->sdev = sdev;
+	if (nb_rx)
+		failsafe_rx_set_port(rx_pkts, nb_rx,
+				     rxq->priv->data->port_id);
 	return nb_rx;
 }
 
@@ -126,7 +147,7 @@ failsafe_tx_burst(void *queue,
 	uint16_t nb_tx;
 
 	txq = queue;
-	sdev = TX_SUBDEV(txq->priv->dev);
+	sdev = TX_SUBDEV(&rte_eth_devices[txq->priv->data->port_id]);
 	if (unlikely(fs_tx_unsafe(sdev)))
 		return 0;
 	sub_txq = ETH(sdev)->data->tx_queues[txq->qid];
@@ -147,7 +168,7 @@ failsafe_tx_burst_fast(void *queue,
 	uint16_t nb_tx;
 
 	txq = queue;
-	sdev = TX_SUBDEV(txq->priv->dev);
+	sdev = TX_SUBDEV(&rte_eth_devices[txq->priv->data->port_id]);
 	RTE_ASSERT(!fs_tx_unsafe(sdev));
 	sub_txq = ETH(sdev)->data->tx_queues[txq->qid];
 	FS_ATOMIC_P(txq->refcnt[sdev->sid]);