+| Get Frame Size
+| | [Documentation]
+| | ... | Framesize can be either integer in case of a single packet
+| | ... | in stream, or set of packets in case of IMIX type or simmilar.
+| | ... | This keyword returns average framesize.
+| | ...
+| | ... | *Arguments:*
+| | ... | - framesize - Framesize. Type: integer or string
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Get Frame Size \| IMIX_v4_1
+| | [Arguments] | ${framesize}
+| | Run Keyword If | '${framesize}' == 'IMIX_v4_1'
+| | ... | Return From Keyword | 353.83333
+| | Return From Keyword | ${framesize}
+