[PATCH v5 1/3] librte_ether: add API for VF management

[Bernard Iremonger <bernard.iremonger@intel.com>]

Add new API function to configure and manage VF's on a NIC.

add rte_eth_dev_set_vf_vlan_stripq function.

Signed-off-by: azelezniak <alexz@att.com>
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 lib/librte_ether/rte_ethdev.c          | 27 +++++++++++++++++++++++++++
 lib/librte_ether/rte_ethdev.h          | 23 ++++++++++++++++++++++-
 lib/librte_ether/rte_ether_version.map |  6 ++++++
 3 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 382c959..15e21ca 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2489,6 +2489,33 @@ rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t vlan_id,
 						   vf_mask, vlan_on);
 }
 
+int
+rte_eth_dev_set_vf_vlan_stripq(uint8_t port_id, uint16_t vf, int on)
+{
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+	uint16_t queues_per_pool;
+	uint32_t q;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+
+	dev = &rte_eth_devices[port_id];
+	rte_eth_dev_info_get(port_id, &dev_info);
+
+	if (vf >= dev_info.max_vfs) {
+		RTE_PMD_DEBUG_TRACE("set VF vlan stripq: invalid VF %d\n", vf);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vlan_strip_queue_set, -ENOTSUP);
+
+	queues_per_pool = dev_info.vmdq_queue_num/dev_info.max_vmdq_pools;
+
+	for (q = 0; q < queues_per_pool; q++)
+		(*dev->dev_ops->vlan_strip_queue_set)(dev, q + vf * queues_per_pool, on);
+	return 0;
+}
+
 int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
 					uint16_t tx_rate)
 {
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 96575e8..fb2be45 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3499,7 +3499,28 @@ rte_eth_dev_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
 				uint8_t vlan_on);
 
 /**
- * Set a traffic mirroring rule on an Ethernet device
+ * Enable/Disable vf vlan strip for all queues in a pool
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param on
+ *    1 - Enable VF's vlan strip on RX queues.
+ *    0 - Disable VF's vlan strip on RX queues.
+ * @param queues_per_pool
+ *    The number of queues per pool.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if hardware doesn't support this feature.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int
+rte_eth_dev_set_vf_vlan_stripq(uint8_t port, uint16_t vf, int on);
+
+/** Set a traffic mirroring rule on an Ethernet device
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map
index 45ddf44..ae44074 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -139,3 +139,9 @@ DPDK_16.07 {
 	rte_eth_dev_get_port_by_name;
 	rte_eth_xstats_get_names;
 } DPDK_16.04;
+
+DPDK_16.11 {
+	global:
+
+	rte_eth_dev_set_vf_vlan_stripq;
+} DPDK_16.07;
-- 
2.9.0