1 files changed, 99 insertions, 60 deletions

diff --git a/drivers/net/wireless/ath/ath12k/dp.c b/drivers/net/wireless/ath/ath12k/dp.c
index 9e5a4e75f2f6..6317c6d4c043 100644
--- a/drivers/net/wireless/ath/ath12k/dp.c
+++ b/drivers/net/wireless/ath/ath12k/dp.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause-Clear
 /*
  * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <crypto/hash.h>
@@ -168,6 +168,8 @@ static int ath12k_dp_srng_calculate_msi_group(struct ath12k_base *ab,
 		grp_mask = &ab->hw_params->ring_mask->reo_status[0];
 		break;
 	case HAL_RXDMA_MONITOR_STATUS:
+		grp_mask = &ab->hw_params->ring_mask->rx_mon_status[0];
+		break;
 	case HAL_RXDMA_MONITOR_DST:
 		grp_mask = &ab->hw_params->ring_mask->rx_mon_dest[0];
 		break;
@@ -274,12 +276,17 @@ int ath12k_dp_srng_setup(struct ath12k_base *ab, struct dp_srng *ring,
 		break;
 	case HAL_RXDMA_BUF:
 	case HAL_RXDMA_MONITOR_BUF:
-	case HAL_RXDMA_MONITOR_STATUS:
 		params.low_threshold = num_entries >> 3;
 		params.flags |= HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN;
 		params.intr_batch_cntr_thres_entries = 0;
 		params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_RX;
 		break;
+	case HAL_RXDMA_MONITOR_STATUS:
+		params.low_threshold = num_entries >> 3;
+		params.flags |= HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN;
+		params.intr_batch_cntr_thres_entries = 1;
+		params.intr_timer_thres_us = HAL_SRNG_INT_TIMER_THRESHOLD_RX;
+		break;
 	case HAL_TX_MONITOR_DST:
 		params.low_threshold = DP_TX_MONITOR_BUF_SIZE_MAX >> 3;
 		params.flags |= HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN;
@@ -354,7 +361,10 @@ u32 ath12k_dp_tx_get_vdev_bank_config(struct ath12k_base *ab,
 			u32_encode_bits(0, HAL_TX_BANK_CONFIG_EPD);
 
 	/* only valid if idx_lookup_override is not set in tcl_data_cmd */
-	bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
+	if (ahvif->vdev_type == WMI_VDEV_TYPE_STA)
+		bank_config |= u32_encode_bits(1, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
+	else
+		bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);
 
 	bank_config |= u32_encode_bits(arvif->hal_addr_search_flags & HAL_TX_ADDRX_EN,
 					HAL_TX_BANK_CONFIG_ADDRX_EN) |
@@ -919,6 +929,25 @@ int ath12k_dp_service_srng(struct ath12k_base *ab,
 			goto done;
 	}
 
+	if (ab->hw_params->ring_mask->rx_mon_status[grp_id]) {
+		ring_mask = ab->hw_params->ring_mask->rx_mon_status[grp_id];
+		for (i = 0; i < ab->num_radios; i++) {
+			for (j = 0; j < ab->hw_params->num_rxdma_per_pdev; j++) {
+				int id = i * ab->hw_params->num_rxdma_per_pdev + j;
+
+				if (ring_mask & BIT(id)) {
+					work_done =
+					ath12k_dp_mon_process_ring(ab, id, napi, budget,
+								   0);
+					budget -= work_done;
+					tot_work_done += work_done;
+					if (budget <= 0)
+						goto done;
+				}
+			}
+		}
+	}
+
 	if (ab->hw_params->ring_mask->rx_mon_dest[grp_id]) {
 		monitor_mode = ATH12K_DP_RX_MONITOR_MODE;
 		ring_mask = ab->hw_params->ring_mask->rx_mon_dest[grp_id];
@@ -982,11 +1011,6 @@ void ath12k_dp_pdev_free(struct ath12k_base *ab)
 {
 	int i;
 
-	if (!ab->mon_reap_timer.function)
-		return;
-
-	del_timer_sync(&ab->mon_reap_timer);
-
 	for (i = 0; i < ab->num_radios; i++)
 		ath12k_dp_rx_pdev_free(ab, i);
 }
@@ -1024,27 +1048,6 @@ void ath12k_dp_hal_rx_desc_init(struct ath12k_base *ab)
 		ab->hal_rx_ops->rx_desc_get_desc_size();
 }
 
-static void ath12k_dp_service_mon_ring(struct timer_list *t)
-{
-	struct ath12k_base *ab = from_timer(ab, t, mon_reap_timer);
-	int i;
-
-	for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++)
-		ath12k_dp_mon_process_ring(ab, i, NULL, DP_MON_SERVICE_BUDGET,
-					   ATH12K_DP_RX_MONITOR_MODE);
-
-	mod_timer(&ab->mon_reap_timer, jiffies +
-		  msecs_to_jiffies(ATH12K_MON_TIMER_INTERVAL));
-}
-
-static void ath12k_dp_mon_reap_timer_init(struct ath12k_base *ab)
-{
-	if (ab->hw_params->rxdma1_enable)
-		return;
-
-	timer_setup(&ab->mon_reap_timer, ath12k_dp_service_mon_ring, 0);
-}
-
 int ath12k_dp_pdev_alloc(struct ath12k_base *ab)
 {
 	struct ath12k *ar;
@@ -1055,8 +1058,6 @@ int ath12k_dp_pdev_alloc(struct ath12k_base *ab)
 	if (ret)
 		goto out;
 
-	ath12k_dp_mon_reap_timer_init(ab);
-
 	/* TODO: Per-pdev rx ring unlike tx ring which is mapped to different AC's */
 	for (i = 0; i < ab->num_radios; i++) {
 		ar = ab->pdevs[i].ar;
@@ -1107,11 +1108,8 @@ static void ath12k_dp_update_vdev_search(struct ath12k_link_vif *arvif)
 {
 	switch (arvif->ahvif->vdev_type) {
 	case WMI_VDEV_TYPE_STA:
-		/* TODO: Verify the search type and flags since ast hash
-		 * is not part of peer mapv3
-		 */
 		arvif->hal_addr_search_flags = HAL_TX_ADDRY_EN;
-		arvif->search_type = HAL_TX_ADDR_SEARCH_DEFAULT;
+		arvif->search_type = HAL_TX_ADDR_SEARCH_INDEX;
 		break;
 	case WMI_VDEV_TYPE_AP:
 	case WMI_VDEV_TYPE_IBSS:
@@ -1206,11 +1204,19 @@ static void ath12k_dp_cc_cleanup(struct ath12k_base *ab)
 			if (!skb)
 				continue;
 
+			skb_cb = ATH12K_SKB_CB(skb);
+			if (skb_cb->paddr_ext_desc) {
+				dma_unmap_single(ab->dev,
+						 skb_cb->paddr_ext_desc,
+						 tx_desc_info->skb_ext_desc->len,
+						 DMA_TO_DEVICE);
+				dev_kfree_skb_any(tx_desc_info->skb_ext_desc);
+			}
+
 			/* if we are unregistering, hw would've been destroyed and
 			 * ar is no longer valid.
 			 */
 			if (!(test_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags))) {
-				skb_cb = ATH12K_SKB_CB(skb);
 				ar = skb_cb->ar;
 
 				if (atomic_dec_and_test(&ar->dp.num_tx_pending))
@@ -1261,22 +1267,24 @@ static void ath12k_dp_reoq_lut_cleanup(struct ath12k_base *ab)
 	if (!ab->hw_params->reoq_lut_support)
 		return;
 
-	if (dp->reoq_lut.vaddr) {
+	if (dp->reoq_lut.vaddr_unaligned) {
 		ath12k_hif_write32(ab,
 				   HAL_SEQ_WCSS_UMAC_REO_REG +
 				   HAL_REO1_QDESC_LUT_BASE0(ab), 0);
-		dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE,
-				  dp->reoq_lut.vaddr, dp->reoq_lut.paddr);
-		dp->reoq_lut.vaddr = NULL;
+		dma_free_coherent(ab->dev, dp->reoq_lut.size,
+				  dp->reoq_lut.vaddr_unaligned,
+				  dp->reoq_lut.paddr_unaligned);
+		dp->reoq_lut.vaddr_unaligned = NULL;
 	}
 
-	if (dp->ml_reoq_lut.vaddr) {
+	if (dp->ml_reoq_lut.vaddr_unaligned) {
 		ath12k_hif_write32(ab,
 				   HAL_SEQ_WCSS_UMAC_REO_REG +
 				   HAL_REO1_QDESC_LUT_BASE1(ab), 0);
-		dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE,
-				  dp->ml_reoq_lut.vaddr, dp->ml_reoq_lut.paddr);
-		dp->ml_reoq_lut.vaddr = NULL;
+		dma_free_coherent(ab->dev, dp->ml_reoq_lut.size,
+				  dp->ml_reoq_lut.vaddr_unaligned,
+				  dp->ml_reoq_lut.paddr_unaligned);
+		dp->ml_reoq_lut.vaddr_unaligned = NULL;
 	}
 }
 
@@ -1315,6 +1323,9 @@ void ath12k_dp_cc_config(struct ath12k_base *ab)
 	u32 wbm_base = HAL_SEQ_WCSS_UMAC_WBM_REG;
 	u32 val = 0;
 
+	if (ath12k_ftm_mode)
+		return;
+
 	ath12k_hif_write32(ab, reo_base + HAL_REO1_SW_COOKIE_CFG0(ab), cmem_base);
 
 	val |= u32_encode_bits(ATH12K_CMEM_ADDR_MSB,
@@ -1605,39 +1616,67 @@ free:
 	return ret;
 }
 
+static int ath12k_dp_alloc_reoq_lut(struct ath12k_base *ab,
+				    struct ath12k_reo_q_addr_lut *lut)
+{
+	lut->size =  DP_REOQ_LUT_SIZE + HAL_REO_QLUT_ADDR_ALIGN - 1;
+	lut->vaddr_unaligned = dma_alloc_coherent(ab->dev, lut->size,
+						  &lut->paddr_unaligned,
+						  GFP_KERNEL | __GFP_ZERO);
+	if (!lut->vaddr_unaligned)
+		return -ENOMEM;
+
+	lut->vaddr = PTR_ALIGN(lut->vaddr_unaligned, HAL_REO_QLUT_ADDR_ALIGN);
+	lut->paddr = lut->paddr_unaligned +
+		     ((unsigned long)lut->vaddr - (unsigned long)lut->vaddr_unaligned);
+	return 0;
+}
+
 static int ath12k_dp_reoq_lut_setup(struct ath12k_base *ab)
 {
 	struct ath12k_dp *dp = &ab->dp;
+	u32 val;
+	int ret;
 
 	if (!ab->hw_params->reoq_lut_support)
 		return 0;
 
-	dp->reoq_lut.vaddr = dma_alloc_coherent(ab->dev,
-						DP_REOQ_LUT_SIZE,
-						&dp->reoq_lut.paddr,
-						GFP_KERNEL | __GFP_ZERO);
-	if (!dp->reoq_lut.vaddr) {
+	ret = ath12k_dp_alloc_reoq_lut(ab, &dp->reoq_lut);
+	if (ret) {
 		ath12k_warn(ab, "failed to allocate memory for reoq table");
-		return -ENOMEM;
+		return ret;
 	}
 
-	dp->ml_reoq_lut.vaddr = dma_alloc_coherent(ab->dev,
-						   DP_REOQ_LUT_SIZE,
-						   &dp->ml_reoq_lut.paddr,
-						   GFP_KERNEL | __GFP_ZERO);
-	if (!dp->ml_reoq_lut.vaddr) {
+	ret = ath12k_dp_alloc_reoq_lut(ab, &dp->ml_reoq_lut);
+	if (ret) {
 		ath12k_warn(ab, "failed to allocate memory for ML reoq table");
-		dma_free_coherent(ab->dev, DP_REOQ_LUT_SIZE,
-				  dp->reoq_lut.vaddr, dp->reoq_lut.paddr);
-		dp->reoq_lut.vaddr = NULL;
-		return -ENOMEM;
+		dma_free_coherent(ab->dev, dp->reoq_lut.size,
+				  dp->reoq_lut.vaddr_unaligned,
+				  dp->reoq_lut.paddr_unaligned);
+		dp->reoq_lut.vaddr_unaligned = NULL;
+		return ret;
 	}
 
+	/* Bits in the register have address [39:8] LUT base address to be
+	 * allocated such that LSBs are assumed to be zero. Also, current
+	 * design supports paddr up to 4 GB max hence it fits in 32 bit
+	 * register only
+	 */
+
 	ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE0(ab),
-			   dp->reoq_lut.paddr);
+			   dp->reoq_lut.paddr >> 8);
+
 	ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_LUT_BASE1(ab),
 			   dp->ml_reoq_lut.paddr >> 8);
 
+	val = ath12k_hif_read32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_ADDR(ab));
+
+	ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_ADDR(ab),
+			   val | HAL_REO_QDESC_ADDR_READ_LUT_ENABLE);
+
+	ath12k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_REO_REG + HAL_REO1_QDESC_MAX_PEERID(ab),
+			   HAL_REO_QDESC_MAX_PEERID);
+
 	return 0;
 }