FNET TCP/IP stack: Version 4.2.0 released

• Version 4.2.0
  • Added fnet_socket_poll() which used to check if one or more sockets become ready to perform input/output activity.
  • New socket options (FreeBSD like):
    • SO_LISTENQLIMIT to get backlog limit or the maximal number of queued connections, which is set by fnet_socket_listen().
    • SO_LISTENQLEN to get unaccepted complete connection queue length.
  • Added WiFi QCA4004 (Silex SX-ULPAN-2401-SHIELD board) support.
  • Added WiFi QCA4002 (GT202) firmware image update to v3.5.6.
  • Updated mbeTLS to the latest version 2.8.0.

Best regards,
Andrey Butok