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Date:   Tue, 14 Jul 2020 21:28:02 -0400
From:   Wxcafé <wxcafe@...afe.net>
To:     linux-usb@...r.kernel.org
Cc:     Miguel Rodríguez Pérez 
        <miguel@....uvigo.gal>, oliver@...kum.org, netdev@...r.kernel.org
Subject: [PATCH 4/4] cdc_ncm: hook into set_rx_mode to admit multicast
 traffic

We set set_rx_mode to usbnet_cdc_update_filter provided
by cdc_ether that simply admits all multicast traffic
if there is more than one multicast filter configured.

Signed-off-by: Miguel Rodríguez Pérez <miguel@....uvigo.gal>
---
 drivers/net/usb/cdc_ncm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 2abaf5f8b23b..c58aae2c90d1 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1888,6 +1888,7 @@ static const struct driver_info cdc_ncm_info = {
 	.status = cdc_ncm_status,
 	.rx_fixup = cdc_ncm_rx_fixup,
 	.tx_fixup = cdc_ncm_tx_fixup,
+	.set_rx_mode = usbnet_cdc_update_filter,
 };
 
 /* Same as cdc_ncm_info, but with FLAG_WWAN */
@@ -1901,6 +1902,7 @@ static const struct driver_info wwan_info = {
 	.status = cdc_ncm_status,
 	.rx_fixup = cdc_ncm_rx_fixup,
 	.tx_fixup = cdc_ncm_tx_fixup,
+	.set_rx_mode = usbnet_cdc_update_filter,
 };
 
 /* Same as wwan_info, but with FLAG_NOARP  */
@@ -1914,6 +1916,7 @@ static const struct driver_info wwan_noarp_info = {
 	.status = cdc_ncm_status,
 	.rx_fixup = cdc_ncm_rx_fixup,
 	.tx_fixup = cdc_ncm_tx_fixup,
+	.set_rx_mode = usbnet_cdc_update_filter,
 };
 
 static const struct usb_device_id cdc_devs[] = {
-- 
2.27.0




-- 
Wxcafé <wxcafe@...afe.net>

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