diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-08-22 14:41:42 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 18:10:16 +0200 |
| commit | f8a667a9af91981b051b0b47c01e473fca80ce4f (patch) | |
| tree | 38e0cfd666139b4d8b9572c09aa5637c6e1aea96 /drivers/net/wireless/mediatek/mt76/mt7915/regs.h | |
| parent | 250944596ca1236a2562d791144cf913728371dc (diff) | |
mt76: mt7915: significantly reduce interrupt load
On 7615 and newer, DMA completion only triggers unmap, but not free of queued
skbs, since pointers to packets are queued internally.
Because of that, there is no need to process the main data queue immediately
on DMA completion.
To improve performance, mask out the DMA data queue completion interrupt and
process the queue only when we receive a txfree event.
This brings the number of interrupts under load down to a small fraction.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/regs.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h index e0989141d9da..4b97b47c6b31 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h @@ -313,9 +313,17 @@ #define MT_INT_RX_DONE_WA BIT(1) #define MT_INT_RX_DONE(_n) ((_n) ? BIT((_n) - 1) : BIT(16)) #define MT_INT_RX_DONE_ALL (BIT(0) | BIT(1) | BIT(16)) -#define MT_INT_TX_DONE_ALL (BIT(15) | GENMASK(27, 26) | BIT(30)) +#define MT_INT_TX_DONE_MCU_WA BIT(15) +#define MT_INT_TX_DONE_FWDL BIT(26) +#define MT_INT_TX_DONE_MCU_WM BIT(27) +#define MT_INT_TX_DONE_BAND0 BIT(30) +#define MT_INT_TX_DONE_BAND1 BIT(31) #define MT_INT_MCU_CMD BIT(29) +#define MT_INT_TX_DONE_MCU (MT_INT_TX_DONE_MCU_WA | \ + MT_INT_TX_DONE_MCU_WM | \ + MT_INT_TX_DONE_FWDL) + #define MT_WFDMA_EXT_CSR_HIF_MISC MT_WFDMA_EXT_CSR(0x44) #define MT_WFDMA_EXT_CSR_HIF_MISC_BUSY BIT(0) |