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wifi: mt76: mt7996: Integrate NPU in RRO session management

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Add NPU integration in RRO 3.0 session management.
This is a preliminary patch to enable NPU offload for MT7996 (Eagle)
chipset.

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 01575edfc3
commit d7a79fcece
3 changed files with 55 additions and 1 deletions
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npu.c
+30
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@@ -383,6 +383,36 @@ int mt76_npu_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}
EXPORT_SYMBOL_GPL(mt76_npu_net_setup_tc);
int mt76_npu_send_txrx_addr(struct mt76_dev *dev, int ifindex,
u32 direction, u32 i_count_addr,
u32 o_status_addr, u32 o_count_addr)
{
struct {
__le32 dir;
__le32 in_count_addr;
__le32 out_status_addr;
__le32 out_count_addr;
} info = {
.dir = cpu_to_le32(direction),
.in_count_addr = cpu_to_le32(i_count_addr),
.out_status_addr = cpu_to_le32(o_status_addr),
.out_count_addr = cpu_to_le32(o_count_addr),
};
struct airoha_npu *npu;
int err = -ENODEV;
rcu_read_lock();
npu = rcu_dereference(dev->mmio.npu);
if (npu)
err = airoha_npu_wlan_send_msg(npu, ifindex,
WLAN_FUNC_SET_WAIT_INODE_TXRX_REG_ADDR,
&info, sizeof(info), GFP_ATOMIC);
rcu_read_unlock();
return err;
}
EXPORT_SYMBOL_GPL(mt76_npu_send_txrx_addr);
void mt76_npu_disable_irqs(struct mt76_dev *dev)
{
struct airoha_npu *npu;