From 11a3d270436137fa485257eab8153ce5d307cfa7 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 12 Mar 2018 20:51:55 +0100 Subject: kernel: add hardware offload patch for flow tables support Supports offloading through VLAN, bridge and PPPoE devices as well Signed-off-by: Felix Fietkau --- ...ridge-support-hardware-flow-table-offload.patch | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 target/linux/generic/pending-4.14/643-net-bridge-support-hardware-flow-table-offload.patch (limited to 'target/linux/generic/pending-4.14/643-net-bridge-support-hardware-flow-table-offload.patch') diff --git a/target/linux/generic/pending-4.14/643-net-bridge-support-hardware-flow-table-offload.patch b/target/linux/generic/pending-4.14/643-net-bridge-support-hardware-flow-table-offload.patch new file mode 100644 index 0000000000..3158714f54 --- /dev/null +++ b/target/linux/generic/pending-4.14/643-net-bridge-support-hardware-flow-table-offload.patch @@ -0,0 +1,55 @@ +From: Felix Fietkau +Date: Thu, 15 Mar 2018 20:50:37 +0100 +Subject: [PATCH] net: bridge: support hardware flow table offload + +Look up the real device and pass it on + +Signed-off-by: Felix Fietkau +--- + +--- a/net/bridge/br_device.c ++++ b/net/bridge/br_device.c +@@ -18,6 +18,8 @@ + #include + #include + #include ++#include ++#include + + #include + #include "br_private.h" +@@ -340,6 +342,26 @@ static const struct ethtool_ops br_ethto + .get_link = ethtool_op_get_link, + }; + ++static int br_flow_offload_check(struct flow_offload_hw_path *path) ++{ ++ struct net_device *dev = path->dev; ++ struct net_bridge *br = netdev_priv(dev); ++ struct net_bridge_fdb_entry *dst; ++ ++ if (!(path->flags & FLOW_OFFLOAD_PATH_ETHERNET)) ++ return -EINVAL; ++ ++ dst = br_fdb_find_rcu(br, path->eth_dest, path->vlan_id); ++ if (!dst || !dst->dst) ++ return -ENOENT; ++ ++ path->dev = dst->dst->dev; ++ if (path->dev->netdev_ops->ndo_flow_offload_check) ++ return path->dev->netdev_ops->ndo_flow_offload_check(path); ++ ++ return 0; ++} ++ + static const struct net_device_ops br_netdev_ops = { + .ndo_open = br_dev_open, + .ndo_stop = br_dev_stop, +@@ -367,6 +389,7 @@ 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_flow_offload_check = br_flow_offload_check, + }; + + static struct device_type br_type = { -- cgit v1.2.3