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Subject[PATCH net-next v3 1/6] net: marvell: prestera: add virtual router ABI
Date
Add functions and structures to allocate virtual router.
prestera_hw_vr_create() returns index of allocated VR so that we can move
forward and also add another objects (e.g. router interface),
which has link to VR.

Co-developed-by: Taras Chornyi <tchornyi@marvell.com>
Signed-off-by: Taras Chornyi <tchornyi@marvell.com>
Co-developed-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu>

Change-Id: I45818f08c3ee0a1516415edb6507dfde6bb84732
---
.../ethernet/marvell/prestera/prestera_hw.c | 42 +++++++++++++++++++
.../ethernet/marvell/prestera/prestera_hw.h | 4 ++
2 files changed, 46 insertions(+)

diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
index 6282c9822e2b..9dbd3d99175e 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
@@ -53,6 +53,9 @@ enum prestera_cmd_type_t {
PRESTERA_CMD_TYPE_VTCAM_IFACE_BIND = 0x560,
PRESTERA_CMD_TYPE_VTCAM_IFACE_UNBIND = 0x561,

+ PRESTERA_CMD_TYPE_ROUTER_VR_CREATE = 0x630,
+ PRESTERA_CMD_TYPE_ROUTER_VR_DELETE = 0x631,
+
PRESTERA_CMD_TYPE_RXTX_INIT = 0x800,

PRESTERA_CMD_TYPE_LAG_MEMBER_ADD = 0x900,
@@ -480,6 +483,18 @@ struct prestera_msg_rxtx_resp {
__le32 map_addr;
};

+struct prestera_msg_vr_req {
+ struct prestera_msg_cmd cmd;
+ __le16 vr_id;
+ u8 __pad[2];
+};
+
+struct prestera_msg_vr_resp {
+ struct prestera_msg_ret ret;
+ __le16 vr_id;
+ u8 __pad[2];
+};
+
struct prestera_msg_lag_req {
struct prestera_msg_cmd cmd;
__le32 port;
@@ -549,6 +564,7 @@ static void prestera_hw_build_tests(void)
BUILD_BUG_ON(sizeof(struct prestera_msg_acl_action) != 32);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_stats) != 16);
+ BUILD_BUG_ON(sizeof(struct prestera_msg_vr_req) != 8);

/* check responses */
BUILD_BUG_ON(sizeof(struct prestera_msg_common_resp) != 8);
@@ -561,6 +577,7 @@ static void prestera_hw_build_tests(void)
BUILD_BUG_ON(sizeof(struct prestera_msg_rxtx_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_resp) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_resp) != 24);
+ BUILD_BUG_ON(sizeof(struct prestera_msg_vr_resp) != 12);

/* check events */
BUILD_BUG_ON(sizeof(struct prestera_msg_event_port) != 20);
@@ -1752,6 +1769,31 @@ int prestera_hw_bridge_port_delete(struct prestera_port *port, u16 bridge_id)
&req.cmd, sizeof(req));
}

+int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id)
+{
+ struct prestera_msg_vr_resp resp;
+ struct prestera_msg_vr_req req;
+ int err;
+
+ err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_VR_CREATE,
+ &req.cmd, sizeof(req), &resp.ret, sizeof(resp));
+ if (err)
+ return err;
+
+ *vr_id = __le16_to_cpu(resp.vr_id);
+ return err;
+}
+
+int prestera_hw_vr_delete(struct prestera_switch *sw, u16 vr_id)
+{
+ struct prestera_msg_vr_req req = {
+ .vr_id = __cpu_to_le16(vr_id),
+ };
+
+ return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_VR_DELETE, &req.cmd,
+ sizeof(req));
+}
+
int prestera_hw_rxtx_init(struct prestera_switch *sw,
struct prestera_rxtx_params *params)
{
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.h b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
index 0496e454e148..6d9fafad451d 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
@@ -238,6 +238,10 @@ int prestera_hw_span_bind(const struct prestera_port *port, u8 span_id);
int prestera_hw_span_unbind(const struct prestera_port *port);
int prestera_hw_span_release(struct prestera_switch *sw, u8 span_id);

+/* Virtual Router API */
+int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id);
+int prestera_hw_vr_delete(struct prestera_switch *sw, u16 vr_id);
+
/* Event handlers */
int prestera_hw_event_handler_register(struct prestera_switch *sw,
enum prestera_event_type type,
--
2.17.1
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