qcacmn: Add 802.1Q/802.1AD support for DHCP/EAPOL/ARP data check

If the data ether header contains 802.1Q and 802.1AD tag,
current API to identify DHCP/ARP/EAPOL frame will not work properly,
for 802.1Q/802.1AD frame, there is extra 4 or 8 bytes in ether header.
Add 802.1Q and 802.1AD support for DHCP/EAPOL/ARP check.

Change-Id: Ibf00bd9e1497ba9700abca10d840104a73238f56
CRs-Fixed: 2771942

qdf/inc/qdf_nbuf.h

@@ -51,6 +51,8 @@
 #define QDF_NBUF_TRAC_DHCP_SRV_PORT		67
 #define QDF_NBUF_TRAC_DHCP_CLI_PORT		68
 #define QDF_NBUF_TRAC_ETH_TYPE_OFFSET		12
+#define QDF_NBUF_TRAC_VLAN_ETH_TYPE_OFFSET	16
+#define QDF_NBUF_TRAC_DOUBLE_VLAN_ETH_TYPE_OFFSET	20
 #define QDF_NBUF_TRAC_EAPOL_ETH_TYPE		0x888E
 #define QDF_NBUF_TRAC_WAPI_ETH_TYPE		0x88b4
 #define QDF_NBUF_TRAC_ARP_ETH_TYPE		0x0806
@@ -84,7 +86,11 @@
 #define QDF_NBUF_TRAC_DHCP6_SRV_PORT		547
 #define QDF_NBUF_TRAC_DHCP6_CLI_PORT		546
 #define QDF_NBUF_TRAC_MDNS_SRC_N_DST_PORT	5353
-
+#define QDF_NBUF_TRAC_IP_OFFSET		14
+#define QDF_NBUF_TRAC_VLAN_IP_OFFSET		18
+#define QDF_NBUF_TRAC_DOUBLE_VLAN_IP_OFFSET	22
+/* One dword for IPv4 header size unit */
+#define QDF_NBUF_IPV4_HDR_SIZE_UNIT	4
 
 /* EAPOL Related MASK */
 #define EAPOL_PACKET_TYPE_OFFSET		15