[Mellanox]: Add get_presence implementation for SFP on Mellanox platf…

…orms (#1056) Signed-off-by: Andriy Moroz <c_andriym@mellanox.com>
sonic-net · Oct 20, 2017 · 587b14a · 587b14a
1 parent a9566bd
commit 587b14a
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Showing 3 changed files with 48 additions and 3 deletions.
diff --git a/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py
@@ -46,8 +46,23 @@ def __init__(self):
         SfpUtilBase.__init__(self)
 
     def get_presence(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
 
-        raise NotImplementedError
+        try:
+            reg_file = open("/bsp/qsfp/qsfp%d_status" % (port_num+1))
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        content = reg_file.readline().rstrip()
+
+        # content is a string with the qsfp status
+        if content == "good":
+            return True
+
+        return False
 
     def get_low_power_mode(self, port_num):
 

diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
@@ -46,8 +46,23 @@ def __init__(self):
         SfpUtilBase.__init__(self)
 
     def get_presence(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
 
-        raise NotImplementedError
+        try:
+            reg_file = open("/bsp/qsfp/qsfp%d_status" % (port_num+1))
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        content = reg_file.readline().rstrip()
+
+        # content is a string with the qsfp status
+        if content == "good":
+            return True
+
+        return False
 
     def get_low_power_mode(self, port_num):
 

diff --git a/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py
@@ -46,8 +46,23 @@ def __init__(self):
         SfpUtilBase.__init__(self)
 
     def get_presence(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
 
-        raise NotImplementedError
+        try:
+            reg_file = open("/bsp/qsfp/qsfp%d_status" % (port_num+1))
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        content = reg_file.readline().rstrip()
+
+        # content is a string with the qsfp status
+        if content == "good":
+            return True
+
+        return False
 
     def get_low_power_mode(self, port_num):