[PATCH] mt76: debugfs: introduce napi_threaded node
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2021-03-15 21:49:54
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
Introduce napi_threaded debugfs knob in order to enable/disable NAPI threaded support Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/wireless/mediatek/mt76/debugfs.c | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/debugfs.c b/drivers/net/wireless/mediatek/mt76/debugfs.c
index d4a6b8108971..fa48cc3a7a8f 100644
--- a/drivers/net/wireless/mediatek/mt76/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c@@ -25,6 +25,32 @@ mt76_reg_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); +static int +mt76_napi_threaded_set(void *data, u64 val) +{ + struct mt76_dev *dev = data; + + if (!mt76_is_mmio(dev)) + return -EOPNOTSUPP; + + if (dev->napi_dev.threaded != val) + return dev_set_threaded(&dev->napi_dev, val); + + return 0; +} + +static int +mt76_napi_threaded_get(void *data, u64 *val) +{ + struct mt76_dev *dev = data; + + *val = dev->napi_dev.threaded; + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get, + mt76_napi_threaded_set, "%llu\n"); + int mt76_queues_read(struct seq_file *s, void *data) { struct mt76_dev *dev = dev_get_drvdata(s->private);
@@ -102,6 +128,8 @@ struct dentry *mt76_register_debugfs(struct mt76_dev *dev) debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); debugfs_create_file_unsafe("regval", 0600, dir, dev, &fops_regval); + debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev, + &fops_napi_threaded); debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom); if (dev->otp.data) debugfs_create_blob("otp", 0400, dir, &dev->otp);
--
2.30.2