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net: dsa: add port fast ageing

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Today the DSA drivers are in charge of flushing the MAC addresses
associated to a port when its STP state changes from Learning or
Forwarding, to Disabled or Blocking or Listening.

This makes the drivers more complex and hides the generic switch logic.
Introduce a new optional port_fast_age operation to dsa_switch_ops, to
move this logic to the DSA layer and keep drivers simple.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot
2016-09-22 16:49:22 -04:00
committed by David S. Miller
parent 4acfee8143
commit 732f794c1b
2 changed files with 20 additions and 0 deletions
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2
include/net/dsa.h
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@@ -143,6 +143,7 @@ struct dsa_port {
struct net_device *netdev;
struct device_node *dn;
unsigned int ageing_time;
u8 stp_state;
};
struct dsa_switch {
@@ -339,6 +340,7 @@ struct dsa_switch_ops {
void (*port_bridge_leave)(struct dsa_switch *ds, int port);
void (*port_stp_state_set)(struct dsa_switch *ds, int port,
u8 state);
void (*port_fast_age)(struct dsa_switch *ds, int port);
/*
* VLAN support