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Wed, 11 Feb 2026 10:43:49 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 6DkqNmVdjGmMcwAAD6G6ig (envelope-from ); Wed, 11 Feb 2026 10:43:49 +0000 From: Oliver Neukum To: bjorn@mork.no, netdev@vger.kernel.org Cc: Oliver Neukum Subject: [RFC net-next 2/2] net: usb: centralize usbnet_cdc_zte_rx_fixup in usbnet Date: Wed, 11 Feb 2026 11:43:16 +0100 Message-ID: <20260211104317.84089-2-oneukum@suse.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260211104317.84089-1-oneukum@suse.com> References: <20260211104317.84089-1-oneukum@suse.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:mid,suse.com:email,imap1.dmz-prg2.suse.org:helo]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FUZZY_RATELIMITED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; RCPT_COUNT_THREE(0.00)[3]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO X-Spam-Score: -2.80 X-Spam-Level: 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 --- 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 3149fa2b6ac1..505a653d9482 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -398,25 +398,6 @@ 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 09905d07f10f..974c6204cef9 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -2346,6 +2346,25 @@ 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) -- 2.53.0