From: Horatiu Vultur <horatiu.vultur@microchip.com>
To: <nikolay@cumulusnetworks.com>, <davem@davemloft.net>,
<jiri@resnulli.us>, <ivecera@redhat.com>, <kuba@kernel.org>,
<roopa@cumulusnetworks.com>, <olteanv@gmail.com>,
<andrew@lunn.ch>, <linux-kernel@vger.kernel.org>,
<netdev@vger.kernel.org>, <bridge@lists.linux-foundation.org>,
<UNGLinuxDriver@microchip.com>
Cc: Horatiu Vultur <horatiu.vultur@microchip.com>
Subject: [RFC net-next v5 6/9] bridge: switchdev: mrp: Implement MRP API for switchdev
Date: Tue, 14 Apr 2020 13:26:15 +0200 [thread overview]
Message-ID: <20200414112618.3644-7-horatiu.vultur@microchip.com> (raw)
In-Reply-To: <20200414112618.3644-1-horatiu.vultur@microchip.com>
Implement the MRP api for switchdev.
These functions will just eventually call the switchdev functions:
switchdev_port_obj_add/del and switchdev_port_attr_set.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
net/bridge/br_mrp_switchdev.c | 144 ++++++++++++++++++++++++++++++++++
1 file changed, 144 insertions(+)
create mode 100644 net/bridge/br_mrp_switchdev.c
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
new file mode 100644
index 000000000000..2a9578f39835
--- /dev/null
+++ b/net/bridge/br_mrp_switchdev.c
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <net/switchdev.h>
+
+#include "br_private_mrp.h"
+
+int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)
+{
+ struct switchdev_obj_mrp mrp_obj = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_MRP,
+ .p_port = rtnl_dereference(mrp->p_port)->dev,
+ .s_port = rtnl_dereference(mrp->s_port)->dev,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ err = switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp)
+{
+ struct switchdev_obj_mrp mrp_obj = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_MRP,
+ .p_port = NULL,
+ .s_port = NULL,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ err = switchdev_port_obj_del(br->dev, &mrp_obj.obj);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_switchdev_set_ring_role(struct net_bridge *br,
+ struct br_mrp *mrp,
+ enum br_mrp_ring_role_type role)
+{
+ struct switchdev_obj_ring_role_mrp mrp_role = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
+ .ring_role = role,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ if (role == BR_MRP_RING_ROLE_DISABLED)
+ err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
+ else
+ err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_switchdev_send_ring_test(struct net_bridge *br,
+ struct br_mrp *mrp, u32 interval,
+ u8 max_miss, u32 period)
+{
+ struct switchdev_obj_ring_test_mrp test = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_TEST_MRP,
+ .interval = interval,
+ .max_miss = max_miss,
+ .ring_id = mrp->ring_id,
+ .period = period,
+ };
+ int err;
+
+ if (interval == 0)
+ err = switchdev_port_obj_del(br->dev, &test.obj);
+ else
+ err = switchdev_port_obj_add(br->dev, &test.obj, NULL);
+
+ return err;
+}
+
+int br_mrp_switchdev_set_ring_state(struct net_bridge *br,
+ struct br_mrp *mrp,
+ enum br_mrp_ring_state_type state)
+{
+ struct switchdev_obj_ring_state_mrp mrp_state = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_STATE_MRP,
+ .ring_state = state,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ err = switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
+ enum br_mrp_port_state_type state)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = p->dev,
+ .id = SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
+ .u.mrp_port_state = state,
+ };
+ int err;
+
+ err = switchdev_port_attr_set(p->dev, &attr);
+ if (err && err != -EOPNOTSUPP)
+ br_warn(p->br, "error setting offload MRP state on port %u(%s)\n",
+ (unsigned int)p->port_no, p->dev->name);
+
+ return err;
+}
+
+int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
+ enum br_mrp_port_role_type role)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = p->dev,
+ .id = SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
+ .u.mrp_port_role = role,
+ };
+ int err;
+
+ err = switchdev_port_attr_set(p->dev, &attr);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
--
2.17.1
next prev parent reply other threads:[~2020-04-14 11:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 11:26 [RFC net-next v5 0/9] net: bridge: mrp: Add support for Media Redundancy Protocol(MRP) Horatiu Vultur
2020-04-14 11:26 ` [RFC net-next v5 1/9] bridge: uapi: mrp: Add mrp attributes Horatiu Vultur
2020-04-14 11:26 ` [RFC net-next v5 2/9] bridge: mrp: Update Kconfig and Makefile Horatiu Vultur
2020-04-18 8:49 ` Nikolay Aleksandrov
2020-04-14 11:26 ` [RFC net-next v5 3/9] bridge: mrp: Expose function br_mrp_port_open Horatiu Vultur
2020-04-18 8:11 ` Nikolay Aleksandrov
2020-04-18 15:29 ` Horatiu Vultur
2020-04-14 11:26 ` [RFC net-next v5 4/9] bridge: mrp: Add MRP interface Horatiu Vultur
2020-04-14 11:26 ` [RFC net-next v5 5/9] switchdev: mrp: Extend switchdev API to offload MRP Horatiu Vultur
2020-04-14 11:26 ` Horatiu Vultur [this message]
2020-04-14 11:26 ` [RFC net-next v5 7/9] bridge: mrp: Connect MRP API with the switchev API Horatiu Vultur
2020-04-18 8:46 ` Nikolay Aleksandrov
2020-04-18 14:57 ` Horatiu Vultur
2020-04-18 8:50 ` Nikolay Aleksandrov
2020-04-14 11:26 ` [RFC net-next v5 8/9] bridge: mrp: Implement netlink interface to configure MRP Horatiu Vultur
2020-04-18 8:21 ` Nikolay Aleksandrov
2020-04-18 14:48 ` Horatiu Vultur
2020-04-18 8:34 ` Nikolay Aleksandrov
2020-04-18 14:51 ` Horatiu Vultur
2020-04-14 11:26 ` [RFC net-next v5 9/9] bridge: mrp: Integrate MRP into the bridge Horatiu Vultur
2020-04-18 8:25 ` Nikolay Aleksandrov
2020-04-18 14:44 ` Horatiu Vultur
2020-04-18 9:01 ` [RFC net-next v5 0/9] net: bridge: mrp: Add support for Media Redundancy Protocol(MRP) Nikolay Aleksandrov
2020-04-18 15:03 ` Horatiu Vultur
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