qcacmn: Change default DSCP-TID mapping table to use all TIDs

Change default DSCP-TID mapping table so that all possible TID
values can be used in transmit datapath.
Also propagate a fix from legacy Tx classification code required
to compute the offset of L3 header pointer correctly

Change-Id: Ia6426817410e67018491c0f4a8122bfae7a1cfe2
CRs-Fixed: 2197640

dp/wifi3.0/dp_main.c

@@ -99,25 +99,25 @@ qdf_declare_param(rx_hash, bool);
 /**
  * default_dscp_tid_map - Default DSCP-TID mapping
  *
- * DSCP        TID     AC
- * 000000      0       WME_AC_BE
- * 001000      1       WME_AC_BK
- * 010000      1       WME_AC_BK
- * 011000      0       WME_AC_BE
- * 100000      5       WME_AC_VI
- * 101000      5       WME_AC_VI
- * 110000      6       WME_AC_VO
- * 111000      6       WME_AC_VO
+ * DSCP        TID
+ * 000000      0
+ * 001000      1
+ * 010000      2
+ * 011000      3
+ * 100000      4
+ * 101000      5
+ * 110000      6
+ * 111000      7
  */
 static uint8_t default_dscp_tid_map[DSCP_TID_MAP_MAX] = {
 	0, 0, 0, 0, 0, 0, 0, 0,
 	1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	5, 5, 5, 5, 5, 5, 5, 5,
+	2, 2, 2, 2, 2, 2, 2, 2,
+	3, 3, 3, 3, 3, 3, 3, 3,
+	4, 4, 4, 4, 4, 4, 4, 4,
 	5, 5, 5, 5, 5, 5, 5, 5,
 	6, 6, 6, 6, 6, 6, 6, 6,
-	6, 6, 6, 6, 6, 6, 6, 6,
+	7, 7, 7, 7, 7, 7, 7, 7,
 };
 
 /*