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net: dsa: add cross-chip bridging operations 

Introduce crosschip_bridge_{join,leave} operations in the dsa_switch_ops
structure, which can be used by switches supporting interconnection.

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 2017-03-30 17:37:14 -04:00 committed by David S. Miller
parent e96a6e0275
commit 40ef2c9339
2 changed files with 14 additions and 6 deletions
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8
include/net/dsa.h
View File

@ -456,6 +456,14 @@ struct dsa_switch_ops {
bool ingress);
void (*port_mirror_del)(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror);
/*
* Cross-chip operations
*/
int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index,
int port, struct net_device *br);
void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index,
int port, struct net_device *br);
};
struct dsa_switch_driver {

12
net/dsa/switch.c
View File

@ -20,9 +20,9 @@ static int dsa_switch_bridge_join(struct dsa_switch *ds,
if (ds->index == info->sw_index && ds->ops->port_bridge_join)
return ds->ops->port_bridge_join(ds, info->port, info->br);
if (ds->index != info->sw_index)
dev_dbg(ds->dev, "crosschip DSA port %d.%d bridged to %s\n",
info->sw_index, info->port, netdev_name(info->br));
if (ds->index != info->sw_index && ds->ops->crosschip_bridge_join)
return ds->ops->crosschip_bridge_join(ds, info->sw_index,
info->port, info->br);
return 0;
}
@ -33,9 +33,9 @@ static int dsa_switch_bridge_leave(struct dsa_switch *ds,
if (ds->index == info->sw_index && ds->ops->port_bridge_leave)
ds->ops->port_bridge_leave(ds, info->port, info->br);
if (ds->index != info->sw_index)
dev_dbg(ds->dev, "crosschip DSA port %d.%d unbridged from %s\n",
info->sw_index, info->port, netdev_name(info->br));
if (ds->index != info->sw_index && ds->ops->crosschip_bridge_leave)
ds->ops->crosschip_bridge_leave(ds, info->sw_index, info->port,
info->br);
return 0;
}