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author | Santiago Ruano Rincón <santiago.ruano-rincon@imt-atlantique.fr> | 2022-11-21 23:53:05 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2022-11-23 16:46:42 +0300 |
commit | 748064b54c99418f615aabff5755996cd9816969 (patch) | |
tree | b0f871370da236bb6d9024bb03ffc9fd33807221 /Documentation/networking | |
parent | a487069e11b6527373f7c6f435d8998051d0b5d9 (diff) | |
download | linux-748064b54c99418f615aabff5755996cd9816969.tar.xz |
net/cdc_ncm: Fix multicast RX support for CDC NCM devices with ZLP
ZLP for DisplayLink ethernet devices was enabled in 6.0:
266c0190aee3 ("net/cdc_ncm: Enable ZLP for DisplayLink ethernet devices").
The related driver_info should be the "same as cdc_ncm_info, but with
FLAG_SEND_ZLP". However, set_rx_mode that enables handling multicast
traffic was missing in the new cdc_ncm_zlp_info.
usbnet_cdc_update_filter rx mode was introduced in linux 5.9 with:
e10dcb1b6ba7 ("net: cdc_ncm: hook into set_rx_mode to admit multicast
traffic")
Without this hook, multicast, and then IPv6 SLAAC, is broken.
Fixes: 266c0190aee3 ("net/cdc_ncm: Enable ZLP for DisplayLink ethernet devices")
Signed-off-by: Santiago Ruano Rincón <santiago.ruano-rincon@imt-atlantique.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
0 files changed, 0 insertions, 0 deletions