qcacmn: Avoid CCE check in per packet path

CCE disable was done for 8074 V1 specifically which is no longer
needed for future releases and hence removing CCE check in TX.
per packet path

Change-Id: Ia31c5e2cb181e4a3409fa1f1abce8c55524b1b05

dp/wifi3.0/dp_tx.c

@@ -1514,121 +1514,6 @@ static inline int dp_get_rtpm_tput_policy_requirement(struct dp_soc *soc)
 }
 #endif
 
-/**
- * dp_cce_classify() - Classify the frame based on CCE rules
- * @vdev: DP vdev handle
- * @nbuf: skb
- *
- * Classify frames based on CCE rules
- * Return: bool( true if classified,
- *               else false)
- */
-static bool dp_cce_classify(struct dp_vdev *vdev, qdf_nbuf_t nbuf)
-{
-	qdf_ether_header_t *eh = NULL;
-	uint16_t   ether_type;
-	qdf_llc_t *llcHdr;
-	qdf_nbuf_t nbuf_clone = NULL;
-	qdf_dot3_qosframe_t *qos_wh = NULL;
-
-	if (qdf_likely(vdev->skip_sw_tid_classification)) {
-	/*
-	 * In case of mesh packets or hlos tid override enabled,
-	 * don't do any classification
-	 */
-		if (qdf_unlikely(vdev->skip_sw_tid_classification
-					& DP_TX_SKIP_CCE_CLASSIFY))
-			return false;
-	}
-
-	if (qdf_likely(vdev->tx_encap_type != htt_cmn_pkt_type_raw)) {
-		eh = (qdf_ether_header_t *)qdf_nbuf_data(nbuf);
-		ether_type = eh->ether_type;
-		llcHdr = (qdf_llc_t *)(nbuf->data +
-					sizeof(qdf_ether_header_t));
-	} else {
-		qos_wh = (qdf_dot3_qosframe_t *) nbuf->data;
-		/* For encrypted packets don't do any classification */
-		if (qdf_unlikely(qos_wh->i_fc[1] & IEEE80211_FC1_WEP))
-			return false;
-
-		if (qdf_unlikely(qos_wh->i_fc[0] & QDF_IEEE80211_FC0_SUBTYPE_QOS)) {
-			if (qdf_unlikely(
-				qos_wh->i_fc[1] & QDF_IEEE80211_FC1_TODS &&
-				qos_wh->i_fc[1] & QDF_IEEE80211_FC1_FROMDS)) {
-
-				ether_type = *(uint16_t *)(nbuf->data
-						+ QDF_IEEE80211_4ADDR_HDR_LEN
-						+ sizeof(qdf_llc_t)
-						- sizeof(ether_type));
-				llcHdr = (qdf_llc_t *)(nbuf->data +
-						QDF_IEEE80211_4ADDR_HDR_LEN);
-			} else {
-				ether_type = *(uint16_t *)(nbuf->data
-						+ QDF_IEEE80211_3ADDR_HDR_LEN
-						+ sizeof(qdf_llc_t)
-						- sizeof(ether_type));
-				llcHdr = (qdf_llc_t *)(nbuf->data +
-					QDF_IEEE80211_3ADDR_HDR_LEN);
-			}
-
-			if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr)
-				&& (ether_type ==
-				qdf_htons(QDF_NBUF_TRAC_EAPOL_ETH_TYPE)))) {
-
-				DP_STATS_INC(vdev, tx_i.cce_classified_raw, 1);
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	if (qdf_unlikely(DP_FRAME_IS_SNAP(llcHdr))) {
-		ether_type = *(uint16_t *)(nbuf->data + 2*QDF_MAC_ADDR_SIZE +
-				sizeof(*llcHdr));
-		nbuf_clone = qdf_nbuf_clone(nbuf);
-		if (qdf_unlikely(nbuf_clone)) {
-			qdf_nbuf_pull_head(nbuf_clone, sizeof(*llcHdr));
-
-			if (ether_type == htons(ETHERTYPE_VLAN)) {
-				qdf_nbuf_pull_head(nbuf_clone,
-						sizeof(qdf_net_vlanhdr_t));
-			}
-		}
-	} else {
-		if (ether_type == htons(ETHERTYPE_VLAN)) {
-			nbuf_clone = qdf_nbuf_clone(nbuf);
-			if (qdf_unlikely(nbuf_clone)) {
-				qdf_nbuf_pull_head(nbuf_clone,
-					sizeof(qdf_net_vlanhdr_t));
-			}
-		}
-	}
-
-	if (qdf_unlikely(nbuf_clone))
-		nbuf = nbuf_clone;
-
-
-	if (qdf_unlikely(qdf_nbuf_is_ipv4_eapol_pkt(nbuf)
-		|| qdf_nbuf_is_ipv4_arp_pkt(nbuf)
-		|| qdf_nbuf_is_ipv4_wapi_pkt(nbuf)
-		|| qdf_nbuf_is_ipv4_tdls_pkt(nbuf)
-		|| (qdf_nbuf_is_ipv4_pkt(nbuf)
-			&& qdf_nbuf_is_ipv4_dhcp_pkt(nbuf))
-		|| (qdf_nbuf_is_ipv6_pkt(nbuf) &&
-			qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))) {
-		if (qdf_unlikely(nbuf_clone))
-			qdf_nbuf_free(nbuf_clone);
-		return true;
-	}
-
-	if (qdf_unlikely(nbuf_clone))
-		qdf_nbuf_free(nbuf_clone);
-
-	return false;
-}
-
 /**
  * dp_tx_get_tid() - Obtain TID to be used for this frame
  * @vdev: DP vdev handle
@@ -2032,14 +1917,6 @@ dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 		goto fail_return;
 	}
 
-	if (qdf_unlikely(soc->cce_disable)) {
-		if (dp_cce_classify(vdev, nbuf) == true) {
-			DP_STATS_INC(vdev, tx_i.cce_classified, 1);
-			tid = DP_VO_TID;
-			tx_desc->flags |= DP_TX_DESC_FLAG_TO_FW;
-		}
-	}
-
 	dp_tx_update_tdls_flags(soc, vdev, tx_desc);
 
 	if (qdf_unlikely(peer_id == DP_INVALID_PEER)) {
@@ -2182,14 +2059,6 @@ qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
 	struct cdp_tid_tx_stats *tid_stats = NULL;
 	uint8_t prep_desc_fail = 0, hw_enq_fail = 0;
 
-	if (qdf_unlikely(soc->cce_disable)) {
-		is_cce_classified = dp_cce_classify(vdev, nbuf);
-		if (is_cce_classified) {
-			DP_STATS_INC(vdev, tx_i.cce_classified, 1);
-			msdu_info->tid = DP_VO_TID;
-		}
-	}
-
 	if (msdu_info->frm_type == dp_tx_frm_me)
 		nbuf = msdu_info->u.sg_info.curr_seg->nbuf;