[PATCH net-next v2 07/12] ax88179_178a: Obtain speed and duplex from Interrupt URB
From: Birger Koblitz <hidden>
Date: 2026-07-08 18:40:19
Also in:
linux-usb, lkml
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
For newer AX179A/772D firmwares and the AX88279, the interrupt URB response also contains information on the Ethernet speed and duplex status. Read this in order to use it to configure the link. Signed-off-by: Birger Koblitz <redacted> --- drivers/net/usb/ax88179_178a.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 94820dd1e7e4cbbcd2028783288615eef79b16e2..5f3a6d85cc4054e43e085531fcd715a990d87c6a 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c@@ -490,6 +490,7 @@ static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, static void ax88179_status(struct usbnet *dev, struct urb *urb) { + struct ax88179_data *data = dev->driver_priv; struct ax88179_int_data *event; u32 link;
@@ -500,6 +501,9 @@ static void ax88179_status(struct usbnet *dev, struct urb *urb) le32_to_cpus((void *)&event->intdata1); link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16; + data->speed = (((__force u32)event->intdata1) >> 8) & 0x7; + data->full_duplex = (((__force u32)event->intdata1) >> 12) & 0x1; + data->link = link; if (netif_carrier_ok(dev->net) != link) { usbnet_link_change(dev, link, 1);
--
2.47.3