qlcnic: support LED blink for device identification

Added support of device identification by blinking LED for specified time.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index 91234e7b39e..8724e561ed7 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -1199,3 +1199,25 @@ qlcnic_wol_supported(struct qlcnic_adapter *adapter)
 
         return 0;
 }
+
+int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
+{
+        struct qlcnic_nic_req   req;
+        int rv;
+        u64 word;
+
+        memset(&req, 0, sizeof(struct qlcnic_nic_req));
+        req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
+
+        word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
+        req.req_hdr = cpu_to_le64(word);
+
+        req.words[0] = cpu_to_le64((u64)rate << 32);
+        req.words[1] = cpu_to_le64(state);
+
+        rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+        if (rv)
+                dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
+
+        return rv;
+}