@@ -1,7 +1,7 @@
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2019 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 <linux/dma-mapping.h>
#include "hal_tx.h"
@@ -656,6 +656,21 @@ static void ath11k_hal_srng_prefetch_desc(struct ath11k_base *ab,
}
}
+void ath11k_hal_srng_dst_next(struct ath11k_base *ab, struct hal_srng *srng)
+{
+ lockdep_assert_held(&srng->lock);
+
+ srng->u.dst_ring.tp += srng->entry_size;
+
+ /* wrap around to start of ring*/
+ if (srng->u.dst_ring.tp == srng->ring_size)
+ srng->u.dst_ring.tp = 0;
+
+ /* Try to prefetch the next descriptor in the ring */
+ if (srng->flags & HAL_SRNG_FLAGS_CACHED)
+ ath11k_hal_srng_prefetch_desc(ab, srng);
+}
+
u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab,
struct hal_srng *srng)
{
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef ATH11K_HAL_H
@@ -941,6 +941,7 @@ int ath11k_hal_srng_get_entrysize(struct ath11k_base *ab, u32 ring_type);
int ath11k_hal_srng_get_max_entries(struct ath11k_base *ab, u32 ring_type);
void ath11k_hal_srng_get_params(struct ath11k_base *ab, struct hal_srng *srng,
struct hal_srng_params *params);
+void ath11k_hal_srng_dst_next(struct ath11k_base *ab, struct hal_srng *srng);
u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab,
struct hal_srng *srng);
u32 *ath11k_hal_srng_dst_peek(struct ath11k_base *ab, struct hal_srng *srng);
Adding the ath11k_hal_srng_dst_next() function allows for the separate invocation of ath11k_hal_srng_dst_peek() and ath11k_hal_srng_dst_next() in certain situations, instead of calling the ath11k_hal_srng_dst_get_next_entry() function alone. Tested-on: QCA6698AQ hw2.1 PCI WLAN.HSP.1.1-04546-QCAHSPSWPL_V1_V2_SILICONZ_IOE-1 Signed-off-by: Miaoqing Pan <quic_miaoqing@quicinc.com> --- drivers/net/wireless/ath/ath11k/hal.c | 17 ++++++++++++++++- drivers/net/wireless/ath/ath11k/hal.h | 3 ++- 2 files changed, 18 insertions(+), 2 deletions(-)