qcacmn: Add ini support to modify IPA tx and tx_comp ring sizes

Currently IPA tx buffers are fixed at 1007 buffers.
Adding INI support to change number of TX buffers at load time.

Change-Id: Ide0357554f34759198276b9699e0e6f4a3e20051
CRs-Fixed: 2957916

dp/wifi3.0/dp_main.c

@@ -3742,14 +3742,16 @@ static bool dp_ipa_is_alt_tx_comp_ring(int index)
  *
  * @tx_ring_num: Tx ring number
  * @tx_ipa_ring_sz: Return param only updated for IPA.
+ * @soc_cfg_ctx: dp soc cfg context
  *
  * Return: None
  */
-static void dp_ipa_get_tx_ring_size(int tx_ring_num, int *tx_ipa_ring_sz)
+static void dp_ipa_get_tx_ring_size(int tx_ring_num, int *tx_ipa_ring_sz,
+				    struct wlan_cfg_dp_soc_ctxt *soc_cfg_ctx)
 {
 	if (tx_ring_num == IPA_TCL_DATA_RING_IDX ||
 	    dp_ipa_is_alt_tx_ring(tx_ring_num))
-		*tx_ipa_ring_sz = WLAN_CFG_IPA_TX_RING_SIZE;
+		*tx_ipa_ring_sz = wlan_cfg_ipa_tx_ring_size(soc_cfg_ctx);
 }
 
 /**
@@ -3757,15 +3759,18 @@ static void dp_ipa_get_tx_ring_size(int tx_ring_num, int *tx_ipa_ring_sz)
  *
  * @tx_comp_ring_num: Tx comp ring number
  * @tx_comp_ipa_ring_sz: Return param only updated for IPA.
+ * @soc_cfg_ctx: dp soc cfg context
  *
  * Return: None
  */
 static void dp_ipa_get_tx_comp_ring_size(int tx_comp_ring_num,
-					 int *tx_comp_ipa_ring_sz)
+					 int *tx_comp_ipa_ring_sz,
+				       struct wlan_cfg_dp_soc_ctxt *soc_cfg_ctx)
 {
 	if (tx_comp_ring_num == IPA_TCL_DATA_RING_IDX ||
 	    dp_ipa_is_alt_tx_comp_ring(tx_comp_ring_num))
-		*tx_comp_ipa_ring_sz = WLAN_CFG_IPA_TX_COMP_RING_SIZE;
+		*tx_comp_ipa_ring_sz =
+				wlan_cfg_ipa_tx_comp_ring_size(soc_cfg_ctx);
 }
 #else
 static uint8_t dp_reo_ring_selection(uint32_t value, uint32_t *ring)
@@ -3899,12 +3904,14 @@ static bool dp_reo_remap_config(struct dp_soc *soc,
 	return true;
 }
 
-static void dp_ipa_get_tx_ring_size(int ring_num, int *tx_ipa_ring_sz)
+static void dp_ipa_get_tx_ring_size(int ring_num, int *tx_ipa_ring_sz,
+				    struct wlan_cfg_dp_soc_ctxt *soc_cfg_ctx)
 {
 }
 
 static void dp_ipa_get_tx_comp_ring_size(int tx_comp_ring_num,
-					 int *tx_comp_ipa_ring_sz)
+					 int *tx_comp_ipa_ring_sz,
+				       struct wlan_cfg_dp_soc_ctxt *soc_cfg_ctx)
 {
 }
 #endif /* IPA_OFFLOAD */
@@ -4051,7 +4058,7 @@ static QDF_STATUS dp_alloc_tx_ring_pair_by_index(struct dp_soc *soc,
 	int cached = 0;
 
 	tx_ring_size = wlan_cfg_tx_ring_size(soc_cfg_ctx);
-	dp_ipa_get_tx_ring_size(index, &tx_ring_size);
+	dp_ipa_get_tx_ring_size(index, &tx_ring_size, soc_cfg_ctx);
 
 	if (dp_srng_alloc(soc, &soc->tcl_data_ring[index], TCL_DATA,
 			  tx_ring_size, cached)) {
@@ -4060,7 +4067,7 @@ static QDF_STATUS dp_alloc_tx_ring_pair_by_index(struct dp_soc *soc,
 	}
 
 	tx_comp_ring_size = wlan_cfg_tx_comp_ring_size(soc_cfg_ctx);
-	dp_ipa_get_tx_comp_ring_size(index, &tx_comp_ring_size);
+	dp_ipa_get_tx_comp_ring_size(index, &tx_comp_ring_size, soc_cfg_ctx);
 	/* Enable cached TCL desc if NSS offload is disabled */
 	if (!wlan_cfg_get_dp_soc_nss_cfg(soc_cfg_ctx))
 		cached = WLAN_CFG_DST_RING_CACHED_DESC;

wlan_cfg/cfg_dp.h

@@ -63,8 +63,13 @@
 #define WLAN_CFG_TX_RING_SIZE 1024
 #endif
 
+#define WLAN_CFG_IPA_TX_RING_SIZE_MIN 1024
 #define WLAN_CFG_IPA_TX_RING_SIZE 1024
+#define WLAN_CFG_IPA_TX_RING_SIZE_MAX 8096
+
+#define WLAN_CFG_IPA_TX_COMP_RING_SIZE_MIN 1024
 #define WLAN_CFG_IPA_TX_COMP_RING_SIZE 1024
+#define WLAN_CFG_IPA_TX_COMP_RING_SIZE_MAX 8096
 
 #define WLAN_CFG_PER_PDEV_TX_RING 0
 #define WLAN_CFG_IPA_UC_TX_BUF_SIZE 2048
@@ -1118,6 +1123,62 @@
 		CFG_INI_BOOL("gForceRX64BA", \
 		false, "Enable/Disable force 64 blockack in RX side")
 
+#ifdef IPA_OFFLOAD
+/*
+ * <ini>
+ * dp_ipa_tx_ring_size - Set tcl ring size for IPA
+ * @Min: 1024
+ * @Max: 8096
+ * @Default: 1024
+ *
+ * This ini sets the tcl ring size for IPA
+ *
+ * Related: N/A
+ *
+ * Supported Feature: IPA
+ *
+ * Usage: Internal
+ *
+ * </ini>
+ */
+#define CFG_DP_IPA_TX_RING_SIZE \
+		CFG_INI_UINT("dp_ipa_tx_ring_size", \
+		WLAN_CFG_IPA_TX_RING_SIZE_MIN, \
+		WLAN_CFG_IPA_TX_RING_SIZE_MAX, \
+		WLAN_CFG_IPA_TX_RING_SIZE, \
+		CFG_VALUE_OR_DEFAULT, "IPA TCL ring size")
+
+/*
+ * <ini>
+ * dp_ipa_tx_comp_ring_size - Set tx comp ring size for IPA
+ * @Min: 1024
+ * @Max: 8096
+ * @Default: 1024
+ *
+ * This ini sets the tx comp ring size for IPA
+ *
+ * Related: N/A
+ *
+ * Supported Feature: IPA
+ *
+ * Usage: Internal
+ *
+ * </ini>
+ */
+#define CFG_DP_IPA_TX_COMP_RING_SIZE \
+		CFG_INI_UINT("dp_ipa_tx_comp_ring_size", \
+		WLAN_CFG_IPA_TX_COMP_RING_SIZE_MIN, \
+		WLAN_CFG_IPA_TX_COMP_RING_SIZE_MAX, \
+		WLAN_CFG_IPA_TX_COMP_RING_SIZE, \
+		CFG_VALUE_OR_DEFAULT, "IPA tx comp ring size")
+
+#define CFG_DP_IPA_TX_RING_CFG \
+		CFG(CFG_DP_IPA_TX_RING_SIZE) \
+		CFG(CFG_DP_IPA_TX_COMP_RING_SIZE)
+#else
+#define CFG_DP_IPA_TX_RING_CFG
+#endif
+
 #define CFG_DP \
 		CFG(CFG_DP_HTT_PACKET_TYPE) \
 		CFG(CFG_DP_INT_BATCH_THRESHOLD_OTHER) \
@@ -1212,5 +1273,6 @@
 		CFG(CFG_DP_RX_RADIO_2_DEFAULT_REO) \
 		CFG(CFG_DP_WOW_CHECK_RX_PENDING) \
 		CFG(CFG_FORCE_RX_64_BA) \
-		CFG(CFG_DP_DELAY_MON_REPLENISH)
+		CFG(CFG_DP_DELAY_MON_REPLENISH) \
+		CFG_DP_IPA_TX_RING_CFG
 #endif /* _CFG_DP_H_ */

wlan_cfg/wlan_cfg.c

@@ -887,6 +887,32 @@ void wlan_cfg_fill_interrupt_mask(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx,
 		}
 }
 
+#ifdef IPA_OFFLOAD
+/**
+ * wlan_soc_ipa_cfg_attach() - Update ipa config in dp soc
+ *  cfg context
+ * @psoc - Object manager psoc
+ * @wlan_cfg_ctx - dp soc cfg ctx
+ *
+ * Return: None
+ */
+static void
+wlan_soc_ipa_cfg_attach(struct cdp_ctrl_objmgr_psoc *psoc,
+			struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
+{
+	wlan_cfg_ctx->ipa_tx_ring_size =
+			cfg_get(psoc, CFG_DP_IPA_TX_RING_SIZE);
+	wlan_cfg_ctx->ipa_tx_comp_ring_size =
+			cfg_get(psoc, CFG_DP_IPA_TX_COMP_RING_SIZE);
+}
+#else
+static inline void
+wlan_soc_ipa_cfg_attach(struct cdp_ctrl_objmgr_psoc *psoc,
+			struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
+{
+}
+#endif
+
 /**
  * wlan_cfg_soc_attach() - Allocate and prepare SoC configuration
  * @psoc - Object manager psoc
@@ -1063,6 +1089,8 @@ wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
 			cfg_get(psoc, CFG_DP_WOW_CHECK_RX_PENDING);
 	wlan_cfg_ctx->delay_mon_replenish = cfg_get(psoc,
 			CFG_DP_DELAY_MON_REPLENISH);
+	wlan_soc_ipa_cfg_attach(psoc, wlan_cfg_ctx);
+
 	return wlan_cfg_ctx;
 }
 
@@ -1971,3 +1999,15 @@ void wlan_cfg_dp_soc_ctx_dump(struct wlan_cfg_dp_soc_ctxt *cfg)
 	dp_info("reo_dst_ring_size = %d, delayed_replenish_entries = %d",
 		cfg->reo_dst_ring_size, cfg->delayed_replenish_entries);
 }
+
+#ifdef IPA_OFFLOAD
+uint32_t wlan_cfg_ipa_tx_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return cfg->ipa_tx_ring_size;
+}
+
+uint32_t wlan_cfg_ipa_tx_comp_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return cfg->ipa_tx_comp_ring_size;
+}
+#endif

wlan_cfg/wlan_cfg.h

@@ -196,6 +196,8 @@ struct wlan_srng_cfg {
  * @is_swlm_enabled: flag to enable/disable SWLM
  * @tx_per_pkt_vdev_id_check: Enable tx perpkt vdev id check
  * @wow_check_rx_pending_enable: Enable RX frame pending check in WoW
+ * @ipa_tx_ring_size: IPA tx ring size
+ * @ipa_tx_comp_ring_size: IPA tx completion ring size
  */
 struct wlan_cfg_dp_soc_ctxt {
 	int num_int_ctxts;
@@ -317,6 +319,10 @@ struct wlan_cfg_dp_soc_ctxt {
 	uint8_t radio1_rx_default_reo;
 	uint8_t radio2_rx_default_reo;
 	bool wow_check_rx_pending_enable;
+#ifdef IPA_OFFLOAD
+	uint32_t ipa_tx_ring_size;
+	uint32_t ipa_tx_comp_ring_size;
+#endif
 };
 
 /**
@@ -1524,6 +1530,36 @@ bool wlan_cfg_is_swlm_enabled(struct wlan_cfg_dp_soc_ctxt *cfg);
  * Return: force use 64 BA flag
  */
 bool wlan_cfg_is_dp_force_rx_64_ba(struct wlan_cfg_dp_soc_ctxt *cfg);
+
+#ifdef IPA_OFFLOAD
+/*
+ * wlan_cfg_ipa_tx_ring_size - Get Tx DMA ring size (TCL Data Ring)
+ * @wlan_cfg_soc_ctx: dp cfg context
+ *
+ * Return: IPA Tx Ring Size
+ */
+uint32_t wlan_cfg_ipa_tx_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
+
+/*
+ * wlan_cfg_ipa_tx_comp_ring_size - Get Tx completion ring size (WBM Ring)
+ * @wlan_cfg_soc_ctx: dp cfg context
+ *
+ * Return: IPA Tx Completion ring size
+ */
+uint32_t wlan_cfg_ipa_tx_comp_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
+#else
+static inline
+uint32_t wlan_cfg_ipa_tx_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return 0;
+}
+
+static inline
+uint32_t wlan_cfg_ipa_tx_comp_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return 0;
+}
+#endif
 #endif
 
 /**