ionic: Add basic lif support

The LIF is the Logical Interface, which represents the external
connections.  The NIC can multiplex many LIFs to a single port,
but in most setups, LIF0 is the primary control for the port.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index 3137776e9191..01e922fa9366 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -226,3 +226,37 @@ void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type)
 
 	ionic_dev_cmd_go(idev, &cmd);
 }
+
+/* LIF commands */
+void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver)
+{
+	union ionic_dev_cmd cmd = {
+		.lif_identify.opcode = IONIC_CMD_LIF_IDENTIFY,
+		.lif_identify.type = type,
+		.lif_identify.ver = ver,
+	};
+
+	ionic_dev_cmd_go(idev, &cmd);
+}
+
+void ionic_dev_cmd_lif_init(struct ionic_dev *idev, u16 lif_index,
+			    dma_addr_t info_pa)
+{
+	union ionic_dev_cmd cmd = {
+		.lif_init.opcode = IONIC_CMD_LIF_INIT,
+		.lif_init.index = cpu_to_le16(lif_index),
+		.lif_init.info_pa = cpu_to_le64(info_pa),
+	};
+
+	ionic_dev_cmd_go(idev, &cmd);
+}
+
+void ionic_dev_cmd_lif_reset(struct ionic_dev *idev, u16 lif_index)
+{
+	union ionic_dev_cmd cmd = {
+		.lif_init.opcode = IONIC_CMD_LIF_RESET,
+		.lif_init.index = cpu_to_le16(lif_index),
+	};
+
+	ionic_dev_cmd_go(idev, &cmd);
+}