79 lines
2.2 KiB
Diff
79 lines
2.2 KiB
Diff
|
From: Felix Fietkau <nbd@nbd.name>
|
||
|
|
Date: Thu, 17 Sep 2020 18:41:23 +0200
|
||
|
|
Subject: [PATCH] net: dsa: support hardware flow table offload
|
||
|
|
|
||
|
|
Look up the master device and the port id
|
||
|
|
|
||
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
||
|
|
---
|
||
|
|
|
||
|
|
--- a/include/net/netfilter/nf_flow_table.h
|
||
|
|
+++ b/include/net/netfilter/nf_flow_table.h
|
||
|
|
@@ -90,6 +90,7 @@ struct flow_offload {
|
||
|
|
#define FLOW_OFFLOAD_PATH_ETHERNET BIT(0)
|
||
|
|
#define FLOW_OFFLOAD_PATH_VLAN BIT(1)
|
||
|
|
#define FLOW_OFFLOAD_PATH_PPPOE BIT(2)
|
||
|
|
+#define FLOW_OFFLOAD_PATH_DSA BIT(3)
|
||
|
|
|
||
|
|
struct flow_offload_hw_path {
|
||
|
|
struct net_device *dev;
|
||
|
|
@@ -100,6 +101,7 @@ struct flow_offload_hw_path {
|
||
|
|
u16 vlan_proto;
|
||
|
|
u16 vlan_id;
|
||
|
|
u16 pppoe_sid;
|
||
|
|
+ u16 dsa_port;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define NF_FLOW_TIMEOUT (30 * HZ)
|
||
|
|
--- a/net/dsa/slave.c
|
||
|
|
+++ b/net/dsa/slave.c
|
||
|
|
@@ -19,6 +19,10 @@
|
||
|
|
#include <linux/if_bridge.h>
|
||
|
|
#include <linux/netpoll.h>
|
||
|
|
#include <linux/ptp_classify.h>
|
||
|
|
+#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
|
||
|
|
+#include <linux/netfilter.h>
|
||
|
|
+#include <net/netfilter/nf_flow_table.h>
|
||
|
|
+#endif
|
||
|
|
|
||
|
|
#include "dsa_priv.h"
|
||
|
|
|
||
|
|
@@ -1221,6 +1225,27 @@ static struct devlink_port *dsa_slave_ge
|
||
|
|
return dp->ds->devlink ? &dp->devlink_port : NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
+#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
|
||
|
|
+static int dsa_flow_offload_check(struct flow_offload_hw_path *path)
|
||
|
|
+{
|
||
|
|
+ struct net_device *dev = path->dev;
|
||
|
|
+ struct dsa_port *dp;
|
||
|
|
+
|
||
|
|
+ if (!(path->flags & FLOW_OFFLOAD_PATH_ETHERNET))
|
||
|
|
+ return -EINVAL;
|
||
|
|
+
|
||
|
|
+ dp = dsa_slave_to_port(dev);
|
||
|
|
+ path->dsa_port = dp->index;
|
||
|
|
+ path->dev = dsa_slave_to_master(dev);
|
||
|
|
+ path->flags |= FLOW_OFFLOAD_PATH_DSA;
|
||
|
|
+
|
||
|
|
+ if (path->dev->netdev_ops->ndo_flow_offload_check)
|
||
|
|
+ return path->dev->netdev_ops->ndo_flow_offload_check(path);
|
||
|
|
+
|
||
|
|
+ return 0;
|
||
|
|
+}
|
||
|
|
+#endif /* CONFIG_NF_FLOW_TABLE */
|
||
|
|
+
|
||
|
|
static const struct net_device_ops dsa_slave_netdev_ops = {
|
||
|
|
.ndo_open = dsa_slave_open,
|
||
|
|
.ndo_stop = dsa_slave_close,
|
||
|
|
@@ -1245,6 +1270,9 @@ static const struct net_device_ops dsa_s
|
||
|
|
.ndo_vlan_rx_add_vid = dsa_slave_vlan_rx_add_vid,
|
||
|
|
.ndo_vlan_rx_kill_vid = dsa_slave_vlan_rx_kill_vid,
|
||
|
|
.ndo_get_devlink_port = dsa_slave_get_devlink_port,
|
||
|
|
+#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
|
||
|
|
+ .ndo_flow_offload_check = dsa_flow_offload_check,
|
||
|
|
+#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct device_type dsa_type = {
|