net/pppol2tp_setsockopt.c

   1 #include <stdlib.h>
   2 #include <netinet/in.h>
   3 #include <linux/if_pppol2tp.h>
   4 #include "net.h"
   5 #include "compat.h"
   6 #include "utils.h"      // ARRAY_SIZE
   7
   8 #define SOL_PPPOL2TP 273
   9
  10 #define NR_SOL_PPPOL2TP_OPTS ARRAY_SIZE(pppol2tp_opts)
  11 static const unsigned int pppol2tp_opts[] = {
  12         PPPOL2TP_SO_DEBUG, PPPOL2TP_SO_RECVSEQ, PPPOL2TP_SO_SENDSEQ, PPPOL2TP_SO_LNSMODE,
  13         PPPOL2TP_SO_REORDERTO };
  14
  15 void pppol2tp_setsockopt(struct sockopt *so)
  16 {
  17         unsigned char val;
  18
  19         so->level = SOL_PPPOL2TP;
  20
  21         val = rand() % NR_SOL_PPPOL2TP_OPTS;
  22         so->optname = pppol2tp_opts[val];
  23
  24         so->optval = sizeof(int);
  25 }