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Subject[PATCH net-next 2/6] net: marvell: prestera: Add router interface ABI
Date
Add functions to enable routing on port, which is not in vlan.
Also we can enable routing on vlan.
prestera_hw_rif_create() take index of allocated virtual router.

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>
---
.../net/ethernet/marvell/prestera/prestera.h | 23 +++++
.../ethernet/marvell/prestera/prestera_hw.c | 97 +++++++++++++++++++
.../ethernet/marvell/prestera/prestera_hw.h | 7 ++
3 files changed, 127 insertions(+)

diff --git a/drivers/net/ethernet/marvell/prestera/prestera.h b/drivers/net/ethernet/marvell/prestera/prestera.h
index 797b2e4d3551..636caf492531 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera.h
@@ -225,6 +225,29 @@ struct prestera_event {
};
};

+enum prestera_if_type {
+ /* the interface is of port type (dev,port) */
+ PRESTERA_IF_PORT_E = 0,
+
+ /* the interface is of lag type (lag-id) */
+ PRESTERA_IF_LAG_E = 1,
+
+ /* the interface is of Vid type (vlan-id) */
+ PRESTERA_IF_VID_E = 3,
+};
+
+struct prestera_iface {
+ enum prestera_if_type type;
+ struct {
+ u32 hw_dev_num;
+ u32 port_num;
+ } dev_port;
+ u32 hw_dev_num;
+ u16 vr_id;
+ u16 lag_id;
+ u16 vlan_id;
+};
+
struct prestera_switchdev;
struct prestera_span;
struct prestera_rxtx;
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
index 8783adbad593..51fc841b1e7a 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
@@ -53,6 +53,8 @@ enum prestera_cmd_type_t {
PRESTERA_CMD_TYPE_VTCAM_IFACE_BIND = 0x560,
PRESTERA_CMD_TYPE_VTCAM_IFACE_UNBIND = 0x561,

+ PRESTERA_CMD_TYPE_ROUTER_RIF_CREATE = 0x600,
+ PRESTERA_CMD_TYPE_ROUTER_RIF_DELETE = 0x601,
PRESTERA_CMD_TYPE_ROUTER_VR_CREATE = 0x630,
PRESTERA_CMD_TYPE_ROUTER_VR_DELETE = 0x631,

@@ -483,6 +485,36 @@ struct prestera_msg_rxtx_resp {
__le32 map_addr;
};

+struct prestera_msg_iface {
+ union {
+ struct {
+ __le32 dev;
+ __le32 port;
+ };
+ __le16 lag_id;
+ };
+ __le16 vr_id;
+ __le16 vid;
+ u8 type;
+ u8 __pad[3];
+};
+
+struct prestera_msg_rif_req {
+ struct prestera_msg_cmd cmd;
+ struct prestera_msg_iface iif;
+ __le32 mtu;
+ __le16 rif_id;
+ __le16 __reserved;
+ u8 mac[ETH_ALEN];
+ u8 __pad[2];
+};
+
+struct prestera_msg_rif_resp {
+ struct prestera_msg_ret ret;
+ __le16 rif_id;
+ u8 __pad[2];
+};
+
struct prestera_msg_vr_req {
struct prestera_msg_cmd cmd;
__le16 vr_id;
@@ -564,8 +596,12 @@ 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_rif_req) != 36);
BUILD_BUG_ON(sizeof(struct prestera_msg_vr_req) != 8);

+ /* structure that are part of req/resp fw messages */
+ BUILD_BUG_ON(sizeof(struct prestera_msg_iface) != 16);
+
/* check responses */
BUILD_BUG_ON(sizeof(struct prestera_msg_common_resp) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_switch_init_resp) != 24);
@@ -577,6 +613,7 @@ 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_rif_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_vr_resp) != 12);

/* check events */
@@ -1769,6 +1806,66 @@ int prestera_hw_bridge_port_delete(struct prestera_port *port, u16 bridge_id)
&req.cmd, sizeof(req));
}

+static int prestera_iface_to_msg(struct prestera_iface *iface,
+ struct prestera_msg_iface *msg_if)
+{
+ switch (iface->type) {
+ case PRESTERA_IF_PORT_E:
+ case PRESTERA_IF_VID_E:
+ msg_if->port = __cpu_to_le32(iface->dev_port.port_num);
+ msg_if->dev = __cpu_to_le32(iface->dev_port.hw_dev_num);
+ break;
+ case PRESTERA_IF_LAG_E:
+ msg_if->lag_id = __cpu_to_le16(iface->lag_id);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ msg_if->vr_id = __cpu_to_le16(iface->vr_id);
+ msg_if->vid = __cpu_to_le16(iface->vlan_id);
+ msg_if->type = iface->type;
+ return 0;
+}
+
+int prestera_hw_rif_create(struct prestera_switch *sw,
+ struct prestera_iface *iif, u8 *mac, u16 *rif_id)
+{
+ struct prestera_msg_rif_req req;
+ struct prestera_msg_rif_resp resp;
+ int err;
+
+ memcpy(req.mac, mac, ETH_ALEN);
+
+ err = prestera_iface_to_msg(iif, &req.iif);
+ if (err)
+ return err;
+
+ err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_RIF_CREATE,
+ &req.cmd, sizeof(req), &resp.ret, sizeof(resp));
+ if (err)
+ return err;
+
+ *rif_id = __le16_to_cpu(resp.rif_id);
+ return err;
+}
+
+int prestera_hw_rif_delete(struct prestera_switch *sw, u16 rif_id,
+ struct prestera_iface *iif)
+{
+ struct prestera_msg_rif_req req = {
+ .rif_id = __cpu_to_le16(rif_id),
+ };
+ int err;
+
+ err = prestera_iface_to_msg(iif, &req.iif);
+ if (err)
+ return err;
+
+ return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_RIF_DELETE, &req.cmd,
+ sizeof(req));
+}
+
int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id)
{
int err;
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.h b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
index 6d9fafad451d..3ff12bae5909 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
@@ -137,6 +137,7 @@ struct prestera_rxtx_params;
struct prestera_acl_hw_action_info;
struct prestera_acl_iface;
struct prestera_counter_stats;
+struct prestera_iface;

/* Switch API */
int prestera_hw_switch_init(struct prestera_switch *sw);
@@ -238,6 +239,12 @@ 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);

+/* Router API */
+int prestera_hw_rif_create(struct prestera_switch *sw,
+ struct prestera_iface *iif, u8 *mac, u16 *rif_id);
+int prestera_hw_rif_delete(struct prestera_switch *sw, u16 rif_id,
+ struct prestera_iface *iif);
+
/* 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);
--
2.17.1
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