From 40ef2c93395fcd25051643707d0956ce9120de41 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Thu, 30 Mar 2017 17:37:14 -0400 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- include/net/dsa.h | 8 ++++++++ net/dsa/switch.c | 12 ++++++------ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/include/net/dsa.h b/include/net/dsa.h index 951b5e49e899..ffe56cc338fe 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -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 { diff --git a/net/dsa/switch.c b/net/dsa/switch.c index 7b6f38e5fef6..ca6e26e514f0 100644 --- a/net/dsa/switch.c +++ b/net/dsa/switch.c @@ -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; } -- 2.20.1