Switch

The switch repository contains the switch.p4 sample P4 program along with all the library repos to manipulate the switch using SAI, SwitchAPI and switchlink.

    +-----+   +-----+   +-----+   +-----+
    |App a|   |App j|   |App n|   |App z|
    |     |...|     |...|     |...|     |
    +-----+   +-----+   +-----+   +-----+
       |         |         |         |
       |         |    +----|         |
+------------+   |    |
| Switchlink |   |    |
|            |<-----------------------------+
+------------------+  |                     |
|     SAI          |  |                     |
|                  |  |                     |
+-----------------------+                   |
|      Switch API       |                   |
|                       |                   |
+-----------------------+---------+         |
|      Resource Mgmt. API         |         |
| (auto-gen. from switch.p4)      |         | Netlink events
+---------------------------------+         |
|        Soft Switch              |         |
|  (compiled from switch.p4)      |         |
+---------------------------------+         |
                                            |
                                            |
+----------------------------------------------------------------+
|                             Kernel                             |
|                                                                |
+----------------------------------------------------------------+

Directory Structure

p4src - P4 sources
switchsai - SAI library
switchapi - SwitchAPI
switchlink - Linux netlink listener
tests/ptf-tests - P4 dependent(PD), SAI and API tests
tests/of-tests - Openflow tests