--- zzzz-none-000/linux-2.6.39.4/net/8021q/vlan.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/8021q/vlan.c	2021-11-10 13:38:18.000000000 +0000
@@ -35,6 +35,7 @@
 #include <asm/uaccess.h>
 
 #include <linux/if_vlan.h>
+#include <linux/ti_hil.h>
 #include "vlan.h"
 #include "vlanproc.h"
 
@@ -114,7 +115,13 @@
 
 	grp = rtnl_dereference(real_dev->vlgrp);
 	BUG_ON(!grp);
-
+#ifdef CONFIG_TI_PACKET_PROCESSOR	
+    /* Send an event to HIL PP indicating that the VLAN
+     * device is being brought down. The HIL PP could 
+     * clean up any if existing references to this VLAN 
+     * device in its domain. */
+    ti_hil_pp_event(TI_VLAN_DEV_DELETED, (void *)dev);
+#endif //CONFIG_TI_PACKET_PROCESSOR
 	/* Take it out of our own structures, but be sure to interlock with
 	 * HW accelerating devices or SW vlan input packet processing if
 	 * VLAN is not 0 (leave it there for 802.1p).
@@ -295,7 +302,16 @@
 	err = register_vlan_dev(new_dev);
 	if (err < 0)
 		goto out_free_newdev;
-
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+    /* Inheritance at work here. We copy the VPID Information block from the parent device
+     * to the new VLAN virtual device. */
+    ti_hil_clone_netdev_pp_info(new_dev, real_dev);
+
+    /* Send an event to HIL PP indicating that a new VLAN device
+     * is being created. The HIL may store the VLAN info and use it 
+     * later for PP session creation and acceleration decision making */
+    ti_hil_pp_event(TI_VLAN_DEV_CREATED, (void *)new_dev);
+#endif
 	return 0;
 
 out_free_newdev:
@@ -303,6 +319,66 @@
 	return err;
 }
 
+/*------------------------------------------------------------------------------------------*\
+\*------------------------------------------------------------------------------------------*/
+int avm_register_vlan_device(struct net_device *real_dev, u16 vlan_id, const char *name, struct net_device **vlan_dev)
+{
+    struct net_device *new_dev = NULL;
+    struct net *net;
+    int result;
+
+    if(vlan_dev != NULL){
+        *vlan_dev = NULL;
+    }
+
+    net = dev_net(real_dev);
+
+    if (vlan_id >= VLAN_VID_MASK){
+        result = -ERANGE;
+        goto err_out;
+    }
+
+    result = vlan_check_real_dev(real_dev, vlan_id);
+    if(result < 0){
+        goto err_out;
+    }
+
+    new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name, vlan_setup);
+    if(new_dev == NULL){
+        result = -ENOBUFS;
+        goto err_out;
+    }
+
+    dev_net_set(new_dev, net);
+    /* need 4 bytes for extra VLAN header info,
+     * hope the underlying device can handle it.
+     */
+    new_dev->mtu = real_dev->mtu;
+
+    vlan_dev_info(new_dev)->vlan_id = vlan_id;
+    vlan_dev_info(new_dev)->real_dev = real_dev;
+    vlan_dev_info(new_dev)->dent = NULL;
+    vlan_dev_info(new_dev)->flags = VLAN_FLAG_REORDER_HDR;
+
+    new_dev->rtnl_link_ops = &vlan_link_ops;
+
+    result = register_vlan_dev(new_dev);
+    if(result < 0){
+        goto err_out;
+    }
+
+    if(vlan_dev != NULL){
+        *vlan_dev = new_dev;
+    }
+
+err_out:
+    if(result != 0 && new_dev != NULL){
+        free_netdev(new_dev);
+    }
+
+    return result;
+}
+
 static void vlan_sync_address(struct net_device *dev,
 			      struct net_device *vlandev)
 {