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Date:   Wed, 15 Jul 2020 20:41:00 +0200
From:   Bjørn Mork <bjorn@...k.no>
To:     netdev@...r.kernel.org
Cc:     linux-usb@...r.kernel.org, wxcafe@...afe.net, oliver@...kum.org,
        Miguel Rodríguez Pérez 
        <miguel@....uvigo.gal>,
        Bjørn Mork <bjorn@...k.no>
Subject: [PATCH v5 net-next 5/5] net: cdc_ncm: hook into set_rx_mode to admit multicast traffic

From: Miguel Rodríguez Pérez <miguel@....uvigo.gal>

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>
Signed-off-by: Bjørn Mork <bjorn@...k.no>
---
 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 f5d7b933792b..e04f588538cc 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1896,6 +1896,7 @@ 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 */
@@ -1909,6 +1910,7 @@ 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  */
@@ -1922,6 +1924,7 @@ 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

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