ocb.c

   1 #include <errno.h>
   2 #include <string.h>
   3
   4 #include "nl80211.h"
   5 #include "iw.h"
   6
   7 SECTION(ocb);
   8
   9 static int join_ocb(struct nl80211_state *state,
  10                     struct nl_msg *msg, int argc, char **argv,
  11                     enum id_input id)
  12 {
  13         unsigned long freq;
  14         char *end;
  15         unsigned int i;
  16         const struct chanmode *chanmode_selected = NULL;
  17         static const struct chanmode chanmode[] = {
  18                 { .name = "5MHz",
  19                   .width = NL80211_CHAN_WIDTH_5,
  20                   .freq1_diff = 0,
  21                   .chantype = -1 },
  22                 { .name = "10MHz",
  23                   .width = NL80211_CHAN_WIDTH_10,
  24                   .freq1_diff = 0,
  25                   .chantype = -1 },
  26         };
  27
  28         if (argc < 2)
  29                 return 1;
  30
  31         /* freq */
  32         freq = strtoul(argv[0], &end, 10);
  33         if (*end != '\0')
  34                 return 1;
  35
  36         NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
  37         argv++;
  38         argc--;
  39
  40         /* channel width */
  41         for (i = 0; i < ARRAY_SIZE(chanmode); i++) {
  42                 if (strcasecmp(chanmode[i].name, argv[0]) == 0) {
  43                         chanmode_selected = &chanmode[i];
  44                         break;
  45                 }
  46         }
  47         if (chanmode_selected) {
  48                 NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
  49                             chanmode_selected->width);
  50                 NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1,
  51                             get_cf1(chanmode_selected, freq));
  52
  53                 argv++;
  54                 argc--;
  55         } else {
  56                 return 1;
  57         }
  58
  59         return 0;
  60
  61 nla_put_failure:
  62         return -ENOBUFS;
  63 }
  64 COMMAND(ocb, join, "<freq in MHz> <5MHz|10MHz>",
  65         NL80211_CMD_JOIN_OCB, 0, CIB_NETDEV, join_ocb,
  66         "Join the OCB mode network.");
  67
  68 static int leave_ocb(struct nl80211_state *state,
  69                      struct nl_msg *msg, int argc, char **argv,
  70                      enum id_input id)
  71 {
  72         if (argc)
  73                 return 1;
  74
  75         return 0;
  76 }
  77 COMMAND(ocb, leave, NULL, NL80211_CMD_LEAVE_OCB, 0, CIB_NETDEV, leave_ocb,
  78         "Leave the OCB mode network.");