1 files changed, 24 insertions, 2 deletions

diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
index e6eb98d70f3c..0867fab61b19 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c
@@ -156,12 +156,23 @@ static void octep_pfvf_set_mac_addr(struct octep_device *oct,  u32 vf_id,
 {
 	int err;
 
+	if (oct->vf_info[vf_id].flags & OCTEON_PFVF_FLAG_MAC_SET_BY_PF) {
+		dev_err(&oct->pdev->dev,
+			"VF%d attempted to override administrative set MAC address\n",
+			vf_id);
+		rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
+		return;
+	}
+
 	err = octep_ctrl_net_set_mac_addr(oct, vf_id, cmd.s_set_mac.mac_addr, true);
 	if (err) {
 		rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
-		dev_err(&oct->pdev->dev, "Set VF MAC address failed via host control Mbox\n");
+		dev_err(&oct->pdev->dev, "Set VF%d MAC address failed via host control Mbox\n",
+			vf_id);
 		return;
 	}
+
+	ether_addr_copy(oct->vf_info[vf_id].mac_addr, cmd.s_set_mac.mac_addr);
 	rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
 }
 
@@ -171,12 +182,21 @@ static void octep_pfvf_get_mac_addr(struct octep_device *oct,  u32 vf_id,
 {
 	int err;
 
+	if (oct->vf_info[vf_id].flags & OCTEON_PFVF_FLAG_MAC_SET_BY_PF) {
+		dev_dbg(&oct->pdev->dev, "VF%d MAC address set by PF\n", vf_id);
+		ether_addr_copy(rsp->s_set_mac.mac_addr,
+				oct->vf_info[vf_id].mac_addr);
+		rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
+		return;
+	}
 	err = octep_ctrl_net_get_mac_addr(oct, vf_id, rsp->s_set_mac.mac_addr);
 	if (err) {
 		rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;
-		dev_err(&oct->pdev->dev, "Get VF MAC address failed via host control Mbox\n");
+		dev_err(&oct->pdev->dev, "Get VF%d MAC address failed via host control Mbox\n",
+			vf_id);
 		return;
 	}
+	ether_addr_copy(oct->vf_info[vf_id].mac_addr, rsp->s_set_mac.mac_addr);
 	rsp->s_set_mac.type = OCTEP_PFVF_MBOX_TYPE_RSP_ACK;
 }
 
@@ -186,6 +206,8 @@ static void octep_pfvf_dev_remove(struct octep_device *oct,  u32 vf_id,
 {
 	int err;
 
+	/* Reset VF-specific information maintained by the PF */
+	memset(&oct->vf_info[vf_id], 0, sizeof(struct octep_pfvf_info));
 	err = octep_ctrl_net_dev_remove(oct, vf_id);
 	if (err) {
 		rsp->s.type = OCTEP_PFVF_MBOX_TYPE_RSP_NACK;