diff mbox series

[net-next,v2,20/24] dsa: slave: add support for TC_SETUP_FT

Message ID 20210324013055.5619-21-pablo@netfilter.org
State New
Headers show
Series [net-next,v2,01/24] net: resolve forwarding path from virtual netdevice and HW destination address | expand

Commit Message

Pablo Neira Ayuso March 24, 2021, 1:30 a.m. UTC 
The dsa infrastructure provides a well-defined hierarchy of devices,
pass up the call to set up the flow block to the master device. From the
software dataplane, the netfilter infrastructure uses the dsa slave
devices to refer to the input and output device for the given skbuff.
Similarly, the flowtable definition in the ruleset refers to the dsa
slave port devices.

This patch adds the glue code to call ndo_setup_tc with TC_SETUP_FT
with the master device via the dsa slave devices.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
v2: no changes.

 net/dsa/slave.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index df7d789236fe..d84162fe028a 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1278,14 +1278,32 @@  static int dsa_slave_setup_tc_block(struct net_device *dev,
 	}
 }
 
+static int dsa_slave_setup_ft_block(struct dsa_switch *ds, int port,
+				    void *type_data)
+{
+	struct dsa_port *cpu_dp = dsa_to_port(ds, port)->cpu_dp;
+	struct net_device *master = cpu_dp->master;
+
+	if (!master->netdev_ops->ndo_setup_tc)
+		return -EOPNOTSUPP;
+
+	return master->netdev_ops->ndo_setup_tc(master, TC_SETUP_FT, type_data);
+}
+
 static int dsa_slave_setup_tc(struct net_device *dev, enum tc_setup_type type,
 			      void *type_data)
 {
 	struct dsa_port *dp = dsa_slave_to_port(dev);
 	struct dsa_switch *ds = dp->ds;
 
-	if (type == TC_SETUP_BLOCK)
+	switch (type) {
+	case TC_SETUP_BLOCK:
 		return dsa_slave_setup_tc_block(dev, type_data);
+	case TC_SETUP_FT:
+		return dsa_slave_setup_ft_block(ds, dp->index, type_data);
+	default:
+		break;
+	}
 
 	if (!ds->ops->port_setup_tc)
 		return -EOPNOTSUPP;