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net: bridge: mcast: add rt_protocol field to the port group struct

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We need to be able to differentiate between pg entries created by
user-space and the kernel when we start generating S,G entries for
IGMPv3/MLDv2's fast path. User-space entries are created by default as
RTPROT_STATIC and the kernel entries are RTPROT_KERNEL. Later we can
allow user-space to provide the entry rt_protocol so we can
differentiate between who added the entries specifically (e.g. clag,
admin, frr etc).

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
2020-09-22 10:30:21 +03:00
committed by David S. Miller
parent 7d07a68c25
commit 8f8cb77e0b
4 changed files with 34 additions and 19 deletions
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3
net/bridge/br_private.h
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@@ -246,6 +246,7 @@ struct net_bridge_port_group {
unsigned char flags;
unsigned char filter_mode;
unsigned char grp_query_rexmit_cnt;
unsigned char rt_protocol;
struct hlist_head src_list;
unsigned int src_ents;
@@ -804,7 +805,7 @@ struct net_bridge_port_group *
br_multicast_new_port_group(struct net_bridge_port *port, struct br_ip *group,
struct net_bridge_port_group __rcu *next,
unsigned char flags, const unsigned char *src,
u8 filter_mode);
u8 filter_mode, u8 rt_protocol);
int br_mdb_hash_init(struct net_bridge *br);
void br_mdb_hash_fini(struct net_bridge *br);
void br_mdb_notify(struct net_device *dev, struct net_bridge_mdb_entry *mp,