This new flag tells whether a network device has to be considered as restricted in the new bridge forwarding logic.
Signed-off-by: Antonio Quartulli <[email protected]> --- include/uapi/linux/if.h | 1 + net/core/dev.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h index 1ec407b..5c3a9bd 100644 --- a/include/uapi/linux/if.h +++ b/include/uapi/linux/if.h @@ -83,6 +83,7 @@ #define IFF_SUPP_NOFCS 0x80000 /* device supports sending custom FCS */ #define IFF_LIVE_ADDR_CHANGE 0x100000 /* device supports hardware address * change when it's running */ +#define IFF_BRIDGE_RESTRICTED 0x200000 /* device is bridge-restricted */ #define IF_GET_IFACE 0x0001 /* for querying only */ diff --git a/net/core/dev.c b/net/core/dev.c index 3655ff9..49eafc8 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4627,7 +4627,7 @@ int __dev_change_flags(struct net_device *dev, unsigned int flags) dev->flags = (flags & (IFF_DEBUG | IFF_NOTRAILERS | IFF_NOARP | IFF_DYNAMIC | IFF_MULTICAST | IFF_PORTSEL | - IFF_AUTOMEDIA)) | + IFF_AUTOMEDIA | IFF_BRIDGE_RESTRICTED)) | (dev->flags & (IFF_UP | IFF_VOLATILE | IFF_PROMISC | IFF_ALLMULTI)); -- 1.8.1.5
