On Wed, 22 Jul 2020 12:38:07 +0530 Sriram Krishnan wrote:

+	/* When using AF_PACKET we need to drop VLAN header from
+	 * the frame and update the SKB to allow the HOST OS
+	 * to transmit the 802.1Q packet
+	 */
+	if (skb->protocol == htons(ETH_P_8021Q)) {
+		u16 vlan_tci = 0;
+		skb_reset_mac_header(skb);
+		if (eth_type_vlan(eth_hdr(skb)->h_proto)) {
+			if (unlikely(__skb_vlan_pop(skb, &vlan_tci) != 0)) {
+				++net_device_ctx->eth_stats.vlan_error;
+				goto drop;
+ 			}
+
+			__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci);
+			/* Update the NDIS header pkt lengths */
+			packet->total_data_buflen -= VLAN_HLEN;
+			packet->total_bytes -= VLAN_HLEN;
+			rndis_msg->msg_len = packet->total_data_buflen;
+			rndis_msg->msg.pkt.data_len = packet->total_data_buflen;
+		}
+	}

Please run checkpatch on your submissions:

WARNING: Missing a blank line after declarations
#76: FILE: drivers/net/hyperv/netvsc_drv.c:614:
+		u16 vlan_tci = 0;
+		skb_reset_mac_header(skb);

ERROR: code indent should use tabs where possible
#81: FILE: drivers/net/hyperv/netvsc_drv.c:619:
+ ^I^I^I}$