linux-kernel - [PATCH net-next 3/8] net: microchip: sparx5: Add actionset type id information to rule

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Message-ID: <20230120090831.20032-4-steen.hegelund@microchip.com>
Date:   Fri, 20 Jan 2023 10:08:26 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Casper Andersson" <casper.casan@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Wan Jiabing <wanjiabing@...o.com>,
        "Nathan Huckleberry" <nhuck@...gle.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "Steen Hegelund" <Steen.Hegelund@...rochip.com>,
        Daniel Machon <daniel.machon@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Dan Carpenter <error27@...il.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH net-next 3/8] net: microchip: sparx5: Add actionset type id information to rule

This adds the actionset type id to the rule information.  This is needed as
we now have more than one actionset in a VCAP instance (IS0).

Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 .../net/ethernet/microchip/vcap/vcap_api.c    | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c
index 71f787a78295..26fa58d4a0cd 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c
@@ -1675,6 +1675,39 @@ static int vcap_add_type_keyfield(struct vcap_rule *rule)
 	return 0;
 }
 
+/* Add the actionset typefield to the list of rule actionfields */
+static int vcap_add_type_actionfield(struct vcap_rule *rule)
+{
+	enum vcap_actionfield_set actionset = rule->actionset;
+	struct vcap_rule_internal *ri = to_intrule(rule);
+	enum vcap_type vt = ri->admin->vtype;
+	const struct vcap_field *fields;
+	const struct vcap_set *aset;
+	int ret = -EINVAL;
+
+	aset = vcap_actionfieldset(ri->vctrl, vt, actionset);
+	if (!aset)
+		return ret;
+	if (aset->type_id == (u8)-1)  /* No type field is needed */
+		return 0;
+
+	fields = vcap_actionfields(ri->vctrl, vt, actionset);
+	if (!fields)
+		return -EINVAL;
+	if (fields[VCAP_AF_TYPE].width > 1) {
+		ret = vcap_rule_add_action_u32(rule, VCAP_AF_TYPE,
+					       aset->type_id);
+	} else {
+		if (aset->type_id)
+			ret = vcap_rule_add_action_bit(rule, VCAP_AF_TYPE,
+						       VCAP_BIT_1);
+		else
+			ret = vcap_rule_add_action_bit(rule, VCAP_AF_TYPE,
+						       VCAP_BIT_0);
+	}
+	return 0;
+}
+
 /* Add a keyset to a keyset list */
 bool vcap_keyset_list_add(struct vcap_keyset_list *keysetlist,
 			  enum vcap_keyfield_set keyset)
@@ -1858,6 +1891,7 @@ int vcap_val_rule(struct vcap_rule *rule, u16 l3_proto)
 		return -EINVAL;
 	}
 	vcap_add_type_keyfield(rule);
+	vcap_add_type_actionfield(rule);
 	/* Add default fields to this rule */
 	ri->vctrl->ops->add_default_fields(ri->ndev, ri->admin, rule);
 
-- 
2.39.1