Update links

Author: shivansh

README.md

@@ -95,8 +95,8 @@ You can specify the directory for which you want to run the tests. If no directo
 |**Scenario**|**Number of tests**|**Result (FreeBSD)**|
 -------------|:-----------------:|------------------|
 |[ICMP](icmp)                    |1 |Passed
-|[Socket API](socket-api)        |17|Failed: [1](socket-api/close/close-unread-data-rst.pkt)
-|[TCP Mechanisms](tcp-mechanisms)|12|Failed: [1](tcp-mechanisms/early_retransmit/early-retransmit.pkt)
+|[Socket API](socket-api)        |17|Failed: [1](socket-api/close/README.md)
+|[TCP Mechanisms](tcp-mechanisms)|12|Failed: [1](tcp-mechanisms/early_retransmit/README.md)
 |[TCP State Machine](tcp-fsm)    |17|Failed: [3](tcp-fsm/mss)
 
 ## Possible Scenarios

tcp-mechanisms/README.md

@@ -1,17 +1,17 @@
 # Tests for TCP mechanisms
 
 ## Status
-|**Scenario**|**Number of tests**|**Result**|
-------------|:-------------------:|:----------:|
-|Fast Retransmit|1|Passed|
-|Early Retransmit|1|[Failed](https://github.com/shivrai/TCP-IP-Regression-TestSuite/tree/master/early_retransmit#test-for-early-retranstmit)|
-|Fast Recovery|1|Passed|
-|PMTU discovery|1|Passed|
-|Receiver RTT|2|Passed|
-|Undo|2|Passed|
-|Retransmission Timeout|2|Passed|
-|Zero window probing|2|Passed|
-|Zero window handling|1|Passed|
-|TCP options establishment|5|Passed|
-|AIMD|1|Passed|
-|Selective Acknowledgements|1|Passed|
+|         **Scenario**          |**Number of tests**|**Result**|
+|-----------------------------------------------|:-:|:------:|
+|[Fast Retransmit](fast_retransmit/README.md)   | 1 | Passed |
+|[Early Retransmit](early_retransmit/README.md) | 1 | [Failed](https://github.com/shivrai/TCP-IP-Regression-TestSuite/tree/master/early_retransmit#test-for-early-retranstmit)|
+|[Fast Recovery](fast_recovery/README.md)       | 1 | Passed |
+|[PMTU discovery](pmtu_discovery/README.md)     | 1 | Passed |
+|[Receiver RTT](receiver_rtt/README.md)         | 2 | Passed |
+|[Fast Recovery and Undo](fr-undo/README.md)    | 2 | Passed |
+|[Retransmission Timeout](rto/README.md)        | 2 | Passed |
+|Zero window probing                            | 2 | Passed |
+|Zero window handling                           | 1 | Passed |
+|TCP options establishment                      | 5 | Passed |
+|AIMD                                           | 1 | Passed |
+|Selective Acknowledgements                     | 1 | Passed |