[PATCH RFC v2 net-next 05/14] bridge: br_fill_forward_path add port to port
From: Eric Woudstra <hidden>
Date: 2024-11-19 10:19:27
Also in:
bridge, linux-mediatek, lkml, netdev, netfilter-devel
Subsystem:
ethernet bridge, networking [general], the rest · Maintainers:
Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
If handed a bridge port, use the bridge master to fill the forward path. Signed-off-by: Eric Woudstra <redacted> --- net/bridge/br_device.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 0ab4613aa07a..c7646afc8b96 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c@@ -383,16 +383,25 @@ static int br_del_slave(struct net_device *dev, struct net_device *slave_dev) static int br_fill_forward_path(struct net_device_path_ctx *ctx, struct net_device_path *path) { + struct net_bridge_port *src, *dst; struct net_bridge_fdb_entry *f; - struct net_bridge_port *dst; struct net_bridge *br; - if (netif_is_bridge_port(ctx->dev)) - return -1; + if (netif_is_bridge_port(ctx->dev)) { + struct net_device *br_dev; + + br_dev = netdev_master_upper_dev_get_rcu((struct net_device *)ctx->dev); + if (!br_dev) + return -1; - br = netdev_priv(ctx->dev); + src = br_port_get_rcu(ctx->dev); + br = netdev_priv(br_dev); + } else { + src = NULL; + br = netdev_priv(ctx->dev); + } - br_vlan_fill_forward_path_pvid(br, ctx, path); + br_vlan_fill_forward_path_pvid(br, src, ctx, path); f = br_fdb_find_rcu(br, ctx->daddr, path->bridge.vlan_id); if (!f)
--
2.45.2