[dpdk-dev] [-- 06/13] null: fake PMD capabilities

["Michał Mirosław" <mirq-linux@rere.qmqm.pl>]

From: Paweł Małachowski <pawel.malachowski@atendesoftware.pl>

Signed-off-by: Michał Mirosław <michal.miroslaw@atendesoftware.pl>
---
 drivers/net/null/rte_eth_null.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index 836d982..c802bc0 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -284,6 +284,9 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 	return 0;
 }
 
+static void
+eth_dev_void_ok(struct rte_eth_dev *dev __rte_unused) { return; }
+
 
 static void
 eth_dev_info(struct rte_eth_dev *dev,
@@ -304,6 +307,12 @@ eth_dev_info(struct rte_eth_dev *dev,
 	dev_info->pci_dev = NULL;
 	dev_info->reta_size = internals->reta_size;
 	dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
+	/* We hereby declare we can RX offload VLAN-s out of thin air and update
+	 * checksums and VLANs before sinking packets in /dev/null
+	 */
+	dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
+	dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
+		DEV_TX_OFFLOAD_IPV4_CKSUM;
 }
 
 static void
@@ -477,7 +486,12 @@ static const struct eth_dev_ops ops = {
 	.reta_update = eth_rss_reta_update,
 	.reta_query = eth_rss_reta_query,
 	.rss_hash_update = eth_rss_hash_update,
-	.rss_hash_conf_get = eth_rss_hash_conf_get
+	.rss_hash_conf_get = eth_rss_hash_conf_get,
+	/* Fake our capabilities */
+	.promiscuous_enable   = eth_dev_void_ok,
+	.promiscuous_disable  = eth_dev_void_ok,
+	.allmulticast_enable  = eth_dev_void_ok,
+	.allmulticast_disable = eth_dev_void_ok
 };
 
 int
-- 
2.10.2