--- zzzz-none-000/linux-4.19.183/net/ipv4/ip_gre.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/ipv4/ip_gre.c	2023-06-28 08:54:21.000000000 +0000
@@ -50,6 +50,10 @@
 #include <net/dst_metadata.h>
 #include <net/erspan.h>
 
+#if defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG)
+#include <linux/blog.h>
+#endif
+
 /*
    Problems & solutions
    --------------------
@@ -117,8 +121,13 @@
 				u32 id, u32 index,
 				bool truncate, bool is_ipv4);
 
+#if defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG)
+unsigned int ipgre_net_id __read_mostly;
+unsigned int gre_tap_net_id __read_mostly;
+#else
 static unsigned int ipgre_net_id __read_mostly;
 static unsigned int gre_tap_net_id __read_mostly;
+#endif
 static unsigned int erspan_net_id __read_mostly;
 
 static void ipgre_err(struct sk_buff *skb, u32 info,
@@ -263,7 +272,9 @@
 	struct erspan_md2 *md2;
 	int ver;
 	int len;
-
+#if defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG)
+	blog_skip(skb, blog_skip_reason_unknown_proto);      /* No blogging */
+#endif
 	itn = net_generic(net, erspan_net_id);
 
 	iph = ip_hdr(skb);
@@ -361,6 +372,14 @@
 			if (!tun_dst)
 				return PACKET_REJECT;
 		}
+#if defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG)
+		if(blog_ptr(skb)){
+			blog_link(IF_DEVICE, blog_ptr(skb), (void*)tunnel->dev, DIR_RX, 
+					skb->len);
+			blog_link(GRE_TUNL, blog_ptr(skb), (void*)tunnel, DIR_RX, 0);
+			blog_link(TOS_MODE, blog_ptr(skb), tunnel, DIR_RX, BLOG_TOS_FIXED);
+		}
+#endif   
 
 		ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
 		return PACKET_RCVD;
@@ -436,7 +455,12 @@
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
+#if (defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG))
+	if ((tunnel->parms.o_flags & TUNNEL_SEQ)
+		&& !blog_gre_tunnel_accelerated())
+#else
 	if (tunnel->parms.o_flags & TUNNEL_SEQ)
+#endif
 		tunnel->o_seqno++;
 
 	/* Push GRE header. */
@@ -444,6 +468,14 @@
 			 tunnel->parms.o_flags, proto, tunnel->parms.o_key,
 			 htonl(tunnel->o_seqno));
 
+#if defined(CONFIG_BCM_KF_BLOG) && defined(CONFIG_BLOG)
+	blog_link(IF_DEVICE, blog_ptr(skb), (void*)dev, DIR_TX, skb->len);
+	blog_link(GRE_TUNL, blog_ptr(skb), (void*)tunnel, DIR_TX, 0);
+	blog_link(TOS_MODE, blog_ptr(skb), tunnel, DIR_TX, tnl_params->tos);
+	
+	skb->bcm_ext.tunl = tunnel;
+	
+#endif   
 	ip_tunnel_xmit(skb, dev, tnl_params, tnl_params->protocol);
 }