[PATCH net-next v4 07/12] ax88179_178a: Add AX179A/AX279 multicast configuration

Birger Koblitz <[email protected]> Fri, 31 Jul 2026 18:19:07 +0200
Newsgroups org.kernel.vger.linux-usb,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <[email protected]>
Add support for conditionally setting the ip_alignement flag
AX_RX_CTL_IPE in AX_RX_CTL and make sure that AX_RX_CTL_DROPCRCERR
is also set to be consistent with the initial configuration in
ax88179_reset()

Signed-off-by: Birger Koblitz <[email protected]>
---
 drivers/net/usb/ax88179_lib.c      | 8 ++++++--
 drivers/net/usb/ax88179a_devices.c | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/ax88179_lib.c b/drivers/net/usb/ax88179_lib.c
index 26c874b31beafac796264e46ecc942b4bd460ac0..e3f01a9654f8399158aa67b688ee76dd93997939 100644
--- a/drivers/net/usb/ax88179_lib.c
+++ b/drivers/net/usb/ax88179_lib.c
@@ -307,10 +307,14 @@ int ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, u8
 void ax88179_set_multicast(struct net_device *net)
 {
 	struct usbnet *dev = netdev_priv(net);
-	struct ax88179_data *data = dev->driver_priv;
 	u8 *m_filter = ((u8 *)dev->data);
+	struct ax88179_data *data;
+
+	data = dev->driver_priv;
 
-	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
+	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_DROPCRCERR);
+	if (data->ip_align)
+		data->rxctl |= AX_RX_CTL_IPE;
 
 	if (net->flags & IFF_PROMISC) {
 		data->rxctl |= AX_RX_CTL_PRO;
diff --git a/drivers/net/usb/ax88179a_devices.c b/drivers/net/usb/ax88179a_devices.c
index b6c24a11660fcc17957452a86e66dbda3b71f2ec..9667cdbda9fa5e8da5eddc610f902b7c9bb66cfc 100644
--- a/drivers/net/usb/ax88179a_devices.c
+++ b/drivers/net/usb/ax88179a_devices.c
@@ -623,6 +623,7 @@ static const struct net_device_ops ax88179a_netdev_ops = {
 	.ndo_set_mac_address	= ax88179_set_mac_addr,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_eth_ioctl		= usbnet_mii_ioctl,
+	.ndo_set_rx_mode	= ax88179_set_multicast,
 	.ndo_set_features	= ax88179a_set_features,
 	.ndo_vlan_rx_add_vid	= ax88179a_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid	= ax88179a_vlan_rx_kill_vid,

-- 
2.47.3