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wifi: mt76: mt7996: Store DMA mapped buffer addresses in mt7996_npu_hw_init()

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In order to not always reallocate them during NPU reset, store the DMA
mapped buffer addresses allocated by mt7996_npu_hw_init routine in
mt7996 structure.

Tested-by: Kang Yang <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2026-01-27 11:56:18 +00:00
committed by Felix Fietkau
parent 2bc891cc94
commit e826923c53
2 changed files with 39 additions and 23 deletions
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mt7996/mt7996.h
+4
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@@ -31,6 +31,8 @@
#define MT7996_RX_MCU_RING_SIZE_WA 1024
#define MT7996_NPU_TX_RING_SIZE 1024
#define MT7996_NPU_RX_RING_SIZE 1024
#define MT7996_NPU_TXD_SIZE 3
/* scatter-gather of mcu event is not supported in connac3 */
#define MT7996_RX_MCU_BUF_SIZE (2048 + \
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
@@ -476,6 +478,8 @@ struct mt7996_dev {
struct list_head page_map[MT7996_RRO_MSDU_PG_HASH_SIZE];
} wed_rro;
dma_addr_t npu_txd_addr[2 * MT7996_NPU_TXD_SIZE];
bool ibf;
u8 fw_debug_wm;
u8 fw_debug_wa;