[dpdk-dev] [PATCH v7 15/27] net/i40e: set VF broadcast mode from PF

[Wenzhuo Lu <wenzhuo.lu@intel.com>]

From: Bernard Iremonger <bernard.iremonger@intel.com>

Support enabling/disabling VF broadcast mode from PF.
User can call the API on PF to enable/disable a specific
VF's broadcast mode.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c            | 47 +++++++++++++++++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e.h           | 19 +++++++++++++
 drivers/net/i40e/rte_pmd_i40e_version.map |  1 +
 3 files changed, 67 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 31c387d..8340937 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10322,3 +10322,50 @@ int rte_pmd_i40e_set_vf_vlan_insert(uint8_t port, uint16_t vf_id,
 
 	return ret;
 }
+
+int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id,
+				  uint8_t on)
+{
+	struct rte_eth_dev *dev;
+	struct rte_eth_dev_info dev_info;
+	struct i40e_pf *pf;
+	struct i40e_vsi *vsi;
+	struct i40e_hw *hw;
+	int ret;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+	rte_eth_dev_info_get(port, &dev_info);
+
+	if (vf_id >= dev_info.max_vfs)
+		return -EINVAL;
+
+	if (on > 1)
+		return -EINVAL;
+
+	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+	hw = I40E_PF_TO_HW(pf);
+
+	if (vf_id >= pf->vf_num || !pf->vfs)
+		return -EINVAL;
+
+	/**
+	 * return -ENODEV if SRIOV not enabled, VF number not configured
+	 * or no queue assigned.
+	 */
+	if (!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
+		return -ENODEV;
+
+	vsi = pf->vfs[vf_id].vsi;
+	if (!vsi)
+		return -EINVAL;
+
+	hw = I40E_VSI_TO_HW(vsi);
+
+	ret = i40e_aq_set_vsi_broadcast(hw, vsi->seid, on, NULL);
+	if (ret != I40E_SUCCESS)
+		PMD_DRV_LOG(ERR, "Failed to set VSI broadcast");
+
+	return ret;
+}
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 0c364f8..6baf21b 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -225,4 +225,23 @@ int rte_pmd_i40e_set_vf_mac_addr(uint8_t port, uint16_t vf_id,
 int rte_pmd_i40e_set_vf_vlan_insert(uint8_t port, uint16_t vf_id,
 				    uint16_t vlan_id);
 
+/**
+ * Enable/Disable vf broadcast mode
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf
+ *    ID specifying VF.
+ * @param on
+ *    0 - Disable broadcast.
+ *    1 - Enable broadcast.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id,
+				  uint8_t on);
+
 #endif /* _PMD_I40E_H_ */
diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map b/drivers/net/i40e/rte_pmd_i40e_version.map
index d851f6c..6a3d77b 100644
--- a/drivers/net/i40e/rte_pmd_i40e_version.map
+++ b/drivers/net/i40e/rte_pmd_i40e_version.map
@@ -8,6 +8,7 @@ DPDK_17.02 {
 
 	rte_pmd_i40e_ping_vfs;
 	rte_pmd_i40e_set_tx_loopback;
+	rte_pmd_i40e_set_vf_broadcast;
 	rte_pmd_i40e_set_vf_mac_addr;
 	rte_pmd_i40e_set_vf_mac_anti_spoof;
 	rte_pmd_i40e_set_vf_multicast_promisc;
-- 
1.9.3