qcacmn: Support FSE flow rule push from ECM

1. Adding cmn dev APIs to support FSE block rule add from
ECM for SFE UL flows
2. Send SFE flows to stack post FSE match

Change-Id: I37563592a03e28373ef3e2520a771082c629ccf5
CRs-Fixed: 3499382

dp/inc/cdp_txrx_fse.h

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _CDP_TXRX_FSE_H_
+#define _CDP_TXRX_FSE_H_
+
+#include <cdp_txrx_cmn_struct.h>
+#include <cdp_txrx_cmn.h>
+
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+static inline QDF_STATUS
+cdp_fse_flow_add(ol_txrx_soc_handle soc,
+		 uint32_t *src_ip, uint32_t src_port,
+		 uint32_t *dest_ip, uint32_t dest_port,
+		 uint8_t protocol, uint8_t version)
+{
+	if (!soc || !soc->ops) {
+		dp_cdp_debug("Invalid Instance");
+		QDF_BUG(0);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	if (!soc->ops->fse_ops ||
+	    !soc->ops->fse_ops->fse_rule_add) {
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return soc->ops->fse_ops->fse_rule_add(soc,
+					       src_ip, src_port,
+					       dest_ip, dest_port,
+					       protocol, version);
+}
+
+static inline QDF_STATUS
+cdp_fse_flow_delete(ol_txrx_soc_handle soc,
+		    uint32_t *src_ip, uint32_t src_port,
+		    uint32_t *dest_ip, uint32_t dest_port,
+		    uint8_t protocol, uint8_t version)
+{
+	if (!soc || !soc->ops) {
+		dp_cdp_debug("Invalid Instance");
+		QDF_BUG(0);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	if (!soc->ops->fse_ops ||
+	    !soc->ops->fse_ops->fse_rule_delete) {
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return soc->ops->fse_ops->fse_rule_delete(soc,
+						  src_ip, src_port,
+						  dest_ip, dest_port,
+						  protocol, version);
+}
+
+#endif /* WLAN_SUPPORT_RX_FLOW_TAG */
+#endif /* _CDP_TXRX_FSE_H_ */

dp/inc/cdp_txrx_ops.h

@@ -2456,6 +2456,21 @@ struct cdp_ppeds_txrx_ops {
 };
 #endif /* WLAN_SUPPORT_PPEDS */
 
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+struct cdp_fse_ops {
+	QDF_STATUS
+	(*fse_rule_add)(struct cdp_soc_t *soc,
+			uint32_t *src_ip, uint32_t src_port,
+			uint32_t *dest_ip, uint32_t dest_port,
+			uint8_t protocol, uint8_t version);
+	QDF_STATUS
+	(*fse_rule_delete)(struct cdp_soc_t *soc,
+			   uint32_t *src_ip, uint32_t src_port,
+			   uint32_t *dest_ip, uint32_t dest_port,
+			   uint8_t protocol, uint8_t version);
+};
+#endif /* WLAN_SUPPORT_RX_FLOW_TAG */
+
 struct cdp_ops {
 	struct cdp_cmn_ops          *cmn_drv_ops;
 	struct cdp_ctrl_ops         *ctrl_ops;
@@ -2509,5 +2524,8 @@ struct cdp_ops {
 #ifdef WLAN_SUPPORT_PPEDS
 	struct cdp_ppeds_txrx_ops *ppeds_ops;
 #endif
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+	struct cdp_fse_ops *fse_ops;
+#endif
 };
 #endif

dp/wifi3.0/be/dp_be_rx.c

@@ -44,10 +44,21 @@
 static inline void
 dp_rx_update_flow_info(qdf_nbuf_t nbuf, uint8_t *rx_tlv_hdr)
 {
+	uint32_t fse_metadata;
+
 	/* Set the flow idx valid flag only when there is no timeout */
 	if (hal_rx_msdu_flow_idx_timeout_be(rx_tlv_hdr))
 		return;
 
+	/*
+	 * If invalid bit is not set and the fse metadata indicates that it is
+	 * a valid SFE flow match in FSE, do not set the rx flow tag and let it
+	 * go via stack instead of VP.
+	 */
+	fse_metadata = hal_rx_msdu_fse_metadata_get_be(rx_tlv_hdr);
+	if (!hal_rx_msdu_flow_idx_invalid_be(rx_tlv_hdr) && (fse_metadata == DP_RX_FSE_FLOW_MATCH_SFE))
+		return;
+
 	qdf_nbuf_set_rx_flow_idx_valid(nbuf,
 				 !hal_rx_msdu_flow_idx_invalid_be(rx_tlv_hdr));
 }

dp/wifi3.0/dp_main.c

@@ -100,6 +100,9 @@ cdp_dump_flow_pool_info(struct cdp_soc_t *soc)
 #ifdef CONFIG_SAWF_DEF_QUEUES
 #include "dp_sawf.h"
 #endif
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+#include "dp_rx_tag.h"
+#endif
 #ifdef WLAN_FEATURE_PEER_TXQ_FLUSH_CONF
 #include <target_if_dp.h>
 #endif
@@ -11014,6 +11017,13 @@ static struct cdp_scs_ops dp_ops_scs = {
 };
 #endif
 
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+static struct cdp_fse_ops dp_ops_fse = {
+	.fse_rule_add = NULL,
+	.fse_rule_delete = NULL,
+};
+#endif
+
 #ifdef CONFIG_SAWF_DEF_QUEUES
 static struct cdp_sawf_ops dp_ops_sawf = {
 	.sawf_def_queues_map_req = dp_sawf_def_queues_map_req,
@@ -11885,6 +11895,9 @@ static void dp_soc_txrx_ops_attach(struct dp_soc *soc)
 #ifdef WLAN_SUPPORT_SCS
 	soc->cdp_soc.ops->scs_ops = &dp_ops_scs;
 #endif
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+	soc->cdp_soc.ops->fse_ops = &dp_ops_fse;
+#endif
 };
 
 #if defined(QCA_WIFI_QCA8074) || defined(QCA_WIFI_QCA6018) || \

dp/wifi3.0/dp_types.h

@@ -172,6 +172,10 @@
 #define DP_RX_REFILL_THRD_THRESHOLD  512
 #endif
 
+#ifdef WLAN_SUPPORT_RX_FLOW_TAG
+#define DP_RX_FSE_FLOW_MATCH_SFE 0xAAAA
+#endif
+
 #ifdef WLAN_VENDOR_SPECIFIC_BAR_UPDATE
 #define DP_SKIP_BAR_UPDATE_TIMEOUT 5000
 #endif
@@ -4975,6 +4979,8 @@ struct dp_rx_fst {
 	qdf_atomic_t is_cache_update_pending;
 	/* Flag to indicate completion of FSE setup in HW/FW */
 	bool fse_setup_done;
+	/* Last ring id used to add a flow */
+	uint8_t ring_id;
 };
 
 #define DP_RX_GET_SW_FT_ENTRY_SIZE sizeof(struct dp_rx_fse)