Re: [PATCH net-next 0/2] Allow more than 255 IPv4 multicast interfaces

2020-09-03 Thread David Miller
From: Paul Davey Date: Wed, 2 Sep 2020 15:22:20 +1200 > Currently it is not possible to use more than 255 multicast interfaces > for IPv4 due to the format of the igmpmsg header which only has 8 bits > available for the VIF ID. There is enough space for the full VIF ID in > the Netlink cache no

[PATCH net-next 0/2] Allow more than 255 IPv4 multicast interfaces

2020-09-01 Thread Paul Davey
Currently it is not possible to use more than 255 multicast interfaces for IPv4 due to the format of the igmpmsg header which only has 8 bits available for the VIF ID. There is enough space for the full VIF ID in the Netlink cache notifications, however the value is currently taken directly from t