diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/610-v5.13-13-net-bridge-resolve-forwarding-path-for-bridge-device.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/610-v5.13-13-net-bridge-resolve-forwarding-path-for-bridge-device.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/610-v5.13-13-net-bridge-resolve-forwarding-path-for-bridge-device.patch b/target/linux/generic/backport-5.10/610-v5.13-13-net-bridge-resolve-forwarding-path-for-bridge-device.patch new file mode 100644 index 0000000000..bdb12b13a6 --- /dev/null +++ b/target/linux/generic/backport-5.10/610-v5.13-13-net-bridge-resolve-forwarding-path-for-bridge-device.patch @@ -0,0 +1,62 @@ +From: Pablo Neira Ayuso <pablo@netfilter.org> +Date: Wed, 24 Mar 2021 02:30:34 +0100 +Subject: [PATCH] net: bridge: resolve forwarding path for bridge devices + +Add .ndo_fill_forward_path for bridge devices. + +Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> +--- + +--- a/include/linux/netdevice.h ++++ b/include/linux/netdevice.h +@@ -830,6 +830,7 @@ typedef u16 (*select_queue_fallback_t)(s + enum net_device_path_type { + DEV_PATH_ETHERNET = 0, + DEV_PATH_VLAN, ++ DEV_PATH_BRIDGE, + }; + + struct net_device_path { +--- a/net/bridge/br_device.c ++++ b/net/bridge/br_device.c +@@ -398,6 +398,32 @@ static int br_del_slave(struct net_devic + return br_del_if(br, slave_dev); + } + ++static int br_fill_forward_path(struct net_device_path_ctx *ctx, ++ struct net_device_path *path) ++{ ++ struct net_bridge_fdb_entry *f; ++ struct net_bridge_port *dst; ++ struct net_bridge *br; ++ ++ if (netif_is_bridge_port(ctx->dev)) ++ return -1; ++ ++ br = netdev_priv(ctx->dev); ++ f = br_fdb_find_rcu(br, ctx->daddr, 0); ++ if (!f || !f->dst) ++ return -1; ++ ++ dst = READ_ONCE(f->dst); ++ if (!dst) ++ return -1; ++ ++ path->type = DEV_PATH_BRIDGE; ++ path->dev = dst->br->dev; ++ ctx->dev = dst->dev; ++ ++ return 0; ++} ++ + static const struct ethtool_ops br_ethtool_ops = { + .get_drvinfo = br_getinfo, + .get_link = ethtool_op_get_link, +@@ -432,6 +458,7 @@ static const struct net_device_ops br_ne + .ndo_bridge_setlink = br_setlink, + .ndo_bridge_dellink = br_dellink, + .ndo_features_check = passthru_features_check, ++ .ndo_fill_forward_path = br_fill_forward_path, + }; + + static struct device_type br_type = { |