linux-kernel - [PATCH net-next 1/3] net: sparx5: support 72-bit VCAP actions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Wed, 3 Apr 2024 20:41:42 +0200
From: Daniel Machon <daniel.machon@...rochip.com>
To: Lars Povlsen <lars.povlsen@...rochip.com>, Steen Hegelund
	<Steen.Hegelund@...rochip.com>, <UNGLinuxDriver@...rochip.com>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, "Jakub
 Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Daniel Machon <daniel.machon@...rochip.com>
Subject: [PATCH net-next 1/3] net: sparx5: support 72-bit VCAP actions

In preparation for supporting tc flower mirred and redirect action,
extend the VCAP API to support 72-bit wide VCAP actions.

Signed-off-by: Daniel Machon <daniel.machon@...rochip.com>
---
 drivers/net/ethernet/microchip/vcap/vcap_api.c        | 12 ++++++++++++
 drivers/net/ethernet/microchip/vcap/vcap_api_client.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c
index ef980e4e5bc2..80ae5e1708a6 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c
@@ -2907,6 +2907,18 @@ int vcap_rule_add_action_u32(struct vcap_rule *rule,
 }
 EXPORT_SYMBOL_GPL(vcap_rule_add_action_u32);
 
+/* Add a 72 bit action field with value to the rule */
+int vcap_rule_add_action_u72(struct vcap_rule *rule,
+			     enum vcap_action_field action,
+			     struct vcap_u72_action *fieldval)
+{
+	struct vcap_client_actionfield_data data;
+
+	memcpy(&data.u72, fieldval, sizeof(data.u72));
+	return vcap_rule_add_action(rule, action, VCAP_FIELD_U72, &data);
+}
+EXPORT_SYMBOL_GPL(vcap_rule_add_action_u72);
+
 static int vcap_read_counter(struct vcap_rule_internal *ri,
 			     struct vcap_counter *ctr)
 {
diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
index 88641508f885..56874f2adbba 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
@@ -200,6 +200,8 @@ int vcap_rule_add_action_bit(struct vcap_rule *rule,
 			     enum vcap_action_field action, enum vcap_bit val);
 int vcap_rule_add_action_u32(struct vcap_rule *rule,
 			     enum vcap_action_field action, u32 value);
+int vcap_rule_add_action_u72(struct vcap_rule *rule, enum vcap_action_field action,
+			     struct vcap_u72_action *fieldval);
 
 /* Get number of rules in a vcap instance lookup chain id range */
 int vcap_admin_rule_count(struct vcap_admin *admin, int cid);

-- 
2.34.1