[PATCH net-next 2/4] net: usb: centralize usbnet_cdc_zte_rx_fixup in usbnet
From: Oliver Neukum <oneukum@suse.com>
Date: 2026-07-02 14:32:10
Also in:
linux-usb, lkml
Subsystem:
networking drivers, the rest, usb "usbnet" driver framework, usb cdc ethernet driver, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Oliver Neukum
This helper is used by multiple drivers using usbnet. It is better to be provided by usbnet than one of them. Signed-off-by: Oliver Neukum <oneukum@suse.com> --- drivers/net/usb/cdc_ether.c | 19 ------------------- drivers/net/usb/usbnet.c | 19 +++++++++++++++++++ 2 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index b4df32e18461..e688fb99c61d 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c@@ -404,25 +404,6 @@ static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf) return status; } -/* Make sure packets have correct destination MAC address - * - * A firmware bug observed on some devices (ZTE MF823/831/910) is that the - * device sends packets with a static, bogus, random MAC address (event if - * device MAC address has been updated). Always set MAC address to that of the - * device. - */ -int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) -{ - if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) - return 1; - - skb_reset_mac_header(skb); - ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); - - return 1; -} -EXPORT_SYMBOL_GPL(usbnet_cdc_zte_rx_fixup); - /* Ensure correct link state * * Some devices (ZTE MF823/831/910) export two carrier on notifications when
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 5544af1f4aa5..7beea6d0e731 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c@@ -2347,6 +2347,25 @@ void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) } } EXPORT_SYMBOL_GPL(usbnet_cdc_status); + +/* Make sure packets have correct destination MAC address + * + * A firmware bug observed on some devices (ZTE MF823/831/910) is that the + * device sends packets with a static, bogus, random MAC address (event if + * device MAC address has been updated). Always set MAC address to that of the + * device. + */ +int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) + return 1; + + skb_reset_mac_header(skb); + ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); + + return 1; +} +EXPORT_SYMBOL_GPL(usbnet_cdc_zte_rx_fixup); /*-------------------------------------------------------------------------*/ static int __init usbnet_init(void)
--
2.54.0