summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/dsa/ocelot/felix.c13
-rw-r--r--drivers/net/dsa/ocelot/felix.h1
-rw-r--r--drivers/net/dsa/ocelot/felix_vsc9959.c20
-rw-r--r--include/soc/mscc/ocelot.h2
-rw-r--r--net/dsa/tag_ocelot.c21
5 files changed, 44 insertions, 13 deletions
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index 4b255ed614e4..b9981d8c4c98 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -522,6 +522,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
for (port = 0; port < num_phys_ports; port++) {
struct ocelot_port *ocelot_port;
struct regmap *target;
+ u8 *template;
ocelot_port = devm_kzalloc(ocelot->dev,
sizeof(struct ocelot_port),
@@ -547,10 +548,22 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
return PTR_ERR(target);
}
+ template = devm_kzalloc(ocelot->dev, OCELOT_TAG_LEN,
+ GFP_KERNEL);
+ if (!template) {
+ dev_err(ocelot->dev,
+ "Failed to allocate memory for DSA tag\n");
+ kfree(port_phy_modes);
+ return -ENOMEM;
+ }
+
ocelot_port->phy_mode = port_phy_modes[port];
ocelot_port->ocelot = ocelot;
ocelot_port->target = target;
+ ocelot_port->xmit_template = template;
ocelot->ports[port] = ocelot_port;
+
+ felix->info->xmit_template_populate(ocelot, port);
}
kfree(port_phy_modes);
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index 00137b64132b..a85631d716b9 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -43,6 +43,7 @@ struct felix_info {
enum tc_setup_type type, void *type_data);
void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
u32 speed);
+ void (*xmit_template_populate)(struct ocelot *ocelot, int port);
};
extern struct felix_info felix_info_vsc9959;
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index efbfbdccb2b6..d640146acc3d 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -8,6 +8,7 @@
#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot.h>
+#include <linux/packing.h>
#include <net/pkt_sched.h>
#include <linux/iopoll.h>
#include <linux/pci.h>
@@ -1432,6 +1433,24 @@ static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
}
}
+static void vsc9959_xmit_template_populate(struct ocelot *ocelot, int port)
+{
+ struct ocelot_port *ocelot_port = ocelot->ports[port];
+ u8 *template = ocelot_port->xmit_template;
+ u64 bypass, dest, src;
+
+ /* Set the source port as the CPU port module and not the
+ * NPI port
+ */
+ src = ocelot->num_phys_ports;
+ dest = BIT(port);
+ bypass = true;
+
+ packing(template, &bypass, 127, 127, OCELOT_TAG_LEN, PACK, 0);
+ packing(template, &dest, 68, 56, OCELOT_TAG_LEN, PACK, 0);
+ packing(template, &src, 46, 43, OCELOT_TAG_LEN, PACK, 0);
+}
+
struct felix_info felix_info_vsc9959 = {
.target_io_res = vsc9959_target_io_res,
.port_io_res = vsc9959_port_io_res,
@@ -1458,4 +1477,5 @@ struct felix_info felix_info_vsc9959 = {
.prevalidate_phy_mode = vsc9959_prevalidate_phy_mode,
.port_setup_tc = vsc9959_port_setup_tc,
.port_sched_speed_set = vsc9959_sched_speed_set,
+ .xmit_template_populate = vsc9959_xmit_template_populate,
};
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index 19d97585345a..6cfbace57770 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -564,6 +564,8 @@ struct ocelot_port {
u8 ts_id;
phy_interface_t phy_mode;
+
+ u8 *xmit_template;
};
struct ocelot {
diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c
index b0c98ee4e13b..42f327c06dca 100644
--- a/net/dsa/tag_ocelot.c
+++ b/net/dsa/tag_ocelot.c
@@ -137,11 +137,10 @@ static struct sk_buff *ocelot_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct dsa_port *dp = dsa_slave_to_port(netdev);
- u64 bypass, dest, src, qos_class, rew_op;
struct dsa_switch *ds = dp->ds;
- int port = dp->index;
struct ocelot *ocelot = ds->priv;
- struct ocelot_port *ocelot_port = ocelot->ports[port];
+ struct ocelot_port *ocelot_port;
+ u64 qos_class, rew_op;
u8 *injection;
if (unlikely(skb_cow_head(skb, OCELOT_TAG_LEN) < 0)) {
@@ -149,19 +148,15 @@ static struct sk_buff *ocelot_xmit(struct sk_buff *skb,
return NULL;
}
- injection = skb_push(skb, OCELOT_TAG_LEN);
+ ocelot_port = ocelot->ports[dp->index];
- memset(injection, 0, OCELOT_TAG_LEN);
+ injection = skb_push(skb, OCELOT_TAG_LEN);
- /* Set the source port as the CPU port module and not the NPI port */
- src = ocelot->num_phys_ports;
- dest = BIT(port);
- bypass = true;
+ memcpy(injection, ocelot_port->xmit_template, OCELOT_TAG_LEN);
+ /* Fix up the fields which are not statically determined
+ * in the template
+ */
qos_class = skb->priority;
-
- packing(injection, &bypass, 127, 127, OCELOT_TAG_LEN, PACK, 0);
- packing(injection, &dest, 68, 56, OCELOT_TAG_LEN, PACK, 0);
- packing(injection, &src, 46, 43, OCELOT_TAG_LEN, PACK, 0);
packing(injection, &qos_class, 19, 17, OCELOT_TAG_LEN, PACK, 0);
if (ocelot->ptp && (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {