.TH "sppp_open" 9 "sppp_open" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME sppp_open \- open a synchronous PPP or Cisco HDLC link .SH SYNOPSIS .B "int" sppp_open .BI "(struct net_device *" dev ");" .SH ARGUMENTS .IP "dev" 12 Network device to activate .SH "DESCRIPTION" Close down any existing synchronous session and commence from scratch. In the PPP case this means negotiating LCP/IPCP and friends, while for Cisco HDLC we simply need to start sending keepalives