net: mscc: ocelot: make ocelot_ace_rule support multiple ports

The ocelot_ace_rule is port specific now. Make it flexible to
be able to support multiple ports too.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Allan W. Nielsen <allan.nielsen@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mscc/ocelot_ace.c

@@ -352,7 +352,7 @@ static void is2_entry_set(struct ocelot *ocelot, int ix,
 	data.type = IS2_ACTION_TYPE_NORMAL;
 
 	VCAP_KEY_ANY_SET(PAG);
-	VCAP_KEY_SET(IGR_PORT_MASK, 0, ~BIT(ace->chip_port));
+	VCAP_KEY_SET(IGR_PORT_MASK, 0, ~ace->ingress_port_mask);
 	VCAP_KEY_BIT_SET(FIRST, OCELOT_VCAP_BIT_1);
 	VCAP_KEY_BIT_SET(HOST_MATCH, OCELOT_VCAP_BIT_ANY);
 	VCAP_KEY_BIT_SET(L2_MC, ace->dmac_mc);
@@ -576,7 +576,7 @@ static void is2_entry_set(struct ocelot *ocelot, int ix,
 
 static void is2_entry_get(struct ocelot_ace_rule *rule, int ix)
 {
-	struct ocelot *op = rule->port->ocelot;
+	struct ocelot *op = rule->ocelot;
 	struct vcap_data data;
 	int row = (ix / 2);
 	u32 cnt;
@@ -655,11 +655,11 @@ int ocelot_ace_rule_offload_add(struct ocelot_ace_rule *rule)
 	/* Move down the rules to make place for the new rule */
 	for (i = acl_block->count - 1; i > index; i--) {
 		ace = ocelot_ace_rule_get_rule_index(acl_block, i);
-		is2_entry_set(rule->port->ocelot, i, ace);
+		is2_entry_set(rule->ocelot, i, ace);
 	}
 
 	/* Now insert the new rule */
-	is2_entry_set(rule->port->ocelot, index, rule);
+	is2_entry_set(rule->ocelot, index, rule);
 	return 0;
 }
 
@@ -697,11 +697,11 @@ int ocelot_ace_rule_offload_del(struct ocelot_ace_rule *rule)
 	/* Move up all the blocks over the deleted rule */
 	for (i = index; i < acl_block->count; i++) {
 		ace = ocelot_ace_rule_get_rule_index(acl_block, i);
-		is2_entry_set(rule->port->ocelot, i, ace);
+		is2_entry_set(rule->ocelot, i, ace);
 	}
 
 	/* Now delete the last rule, because it is duplicated */
-	is2_entry_set(rule->port->ocelot, acl_block->count, &del_ace);
+	is2_entry_set(rule->ocelot, acl_block->count, &del_ace);
 
 	return 0;
 }
@@ -717,7 +717,7 @@ int ocelot_ace_rule_stats_update(struct ocelot_ace_rule *rule)
 	/* After we get the result we need to clear the counters */
 	tmp = ocelot_ace_rule_get_rule_index(acl_block, index);
 	tmp->stats.pkts = 0;
-	is2_entry_set(rule->port->ocelot, index, tmp);
+	is2_entry_set(rule->ocelot, index, tmp);
 
 	return 0;
 }

drivers/net/ethernet/mscc/ocelot_ace.h

@@ -186,14 +186,14 @@ struct ocelot_ace_stats {
 
 struct ocelot_ace_rule {
 	struct list_head list;
-	struct ocelot_port *port;
+	struct ocelot *ocelot;
 
 	u16 prio;
 	u32 id;
 
 	enum ocelot_ace_action action;
 	struct ocelot_ace_stats stats;
-	int chip_port;
+	u16 ingress_port_mask;
 
 	enum ocelot_vcap_bit dmac_mc;
 	enum ocelot_vcap_bit dmac_bc;

drivers/net/ethernet/mscc/ocelot_flower.c

@@ -177,8 +177,8 @@ struct ocelot_ace_rule *ocelot_ace_rule_create(struct flow_cls_offload *f,
 	if (!rule)
 		return NULL;
 
-	rule->port = &block->priv->port;
-	rule->chip_port = block->priv->chip_port;
+	rule->ocelot = block->priv->port.ocelot;
+	rule->ingress_port_mask = BIT(block->priv->chip_port);
 	return rule;
 }
 
@@ -213,7 +213,7 @@ static int ocelot_flower_destroy(struct flow_cls_offload *f,
 	int ret;
 
 	rule.prio = f->common.prio;
-	rule.port = &port_block->priv->port;
+	rule.ocelot = port_block->priv->port.ocelot;
 	rule.id = f->cookie;
 
 	ret = ocelot_ace_rule_offload_del(&rule);
@@ -231,7 +231,7 @@ static int ocelot_flower_stats_update(struct flow_cls_offload *f,
 	int ret;
 
 	rule.prio = f->common.prio;
-	rule.port = &port_block->priv->port;
+	rule.ocelot = port_block->priv->port.ocelot;
 	rule.id = f->cookie;
 	ret = ocelot_ace_rule_stats_update(&rule);
 	if (ret)