package/hostapd/patches/003-use-nl80211-for-beacons.patch

   1 ---
   2  hostapd/driver_devicescape.c |  111 +++++++++++++++++++++++++++++++------------
   3  1 file changed, 82 insertions(+), 29 deletions(-)
   4
   5 --- hostap.orig/hostapd/driver_devicescape.c    2007-11-09 13:41:13.000000000 +0100
   6 +++ hostap/hostapd/driver_devicescape.c 2007-11-09 13:41:13.000000000 +0100
   7 @@ -68,6 +68,8 @@ struct i802_driver_data {
   8         struct nl_handle *nl_handle;
   9         struct nl_cache *nl_cache;
  10         struct genl_family *nl80211;
  11 +       int dtim_period;
  12 +       unsigned int beacon_set:1;
  13  };
  14
  15
  16 @@ -908,37 +910,44 @@ static int i802_bss_remove(void *priv, c
  17  }
  18
  19
  20 -static int i802_set_beacon(const char *ifname, void *priv,
  21 +static int i802_set_beacon(const char *iface, void *priv,
  22                            u8 *head, size_t head_len,
  23                            u8 *tail, size_t tail_len)
  24  {
  25         struct i802_driver_data *drv = priv;
  26 -       struct prism2_hostapd_param *param;
  27 -       int len, ret = 0;
  28 +       struct nl_msg *msg;
  29 +       u8 cmd = NL80211_CMD_NEW_BEACON;
  30 +       int ret = -1;
  31
  32 -       param = os_zalloc(sizeof(*param) + head_len + tail_len);
  33 -       if (param == NULL) {
  34 -               printf("Failed to alloc memory for beacon ioctl\n");
  35 -               return -1;
  36 -       }
  37 -       len = (&param->u.beacon.data[0] - (u8 *) param) + head_len + tail_len;
  38 -       param->cmd = PRISM2_HOSTAPD_SET_BEACON;
  39 -       param->u.beacon.head_len = head_len;
  40 -       param->u.beacon.tail_len = tail_len;
  41 -       memcpy(&param->u.beacon.data[0], head, head_len);
  42 -       memcpy(&param->u.beacon.data[0] + head_len, tail, tail_len);
  43 -
  44 -       if (len < (int) sizeof(*param))
  45 -               len = sizeof(*param);
  46 -       if (hostapd_ioctl_iface(ifname, drv, param, len)) {
  47 -               printf("Could not set beacon data to kernel driver.\n");
  48 -               printf("ifname='%s' head=%p head_len=%d tail=%p tail_len=%d "
  49 -                      "cmd=%d\n",
  50 -                      ifname, head, head_len, tail, tail_len, param->cmd);
  51 -               ret = -1;
  52 -       }
  53 +       msg = nlmsg_alloc();
  54 +       if (!msg)
  55 +               goto out;
  56
  57 -       free(param);
  58 +       if (drv->beacon_set)
  59 +               cmd = NL80211_CMD_SET_BEACON;
  60 +
  61 +       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
  62 +                   0, cmd, 0);
  63 +       NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
  64 +       NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
  65 +       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
  66 +       NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, 1000);
  67 +
  68 +       if (!drv->dtim_period)
  69 +               drv->dtim_period = 2;
  70 +       NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
  71 +
  72 +       if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
  73 +           nl_wait_for_ack(drv->nl_handle) < 0)
  74 +               goto out;
  75 +
  76 +       ret = 0;
  77 +
  78 +       drv->beacon_set = 1;
  79 +
  80 + out:
  81 + nla_put_failure:
  82 +       nlmsg_free(msg);
  83         return ret;
  84  }
  85
  86 @@ -985,15 +994,59 @@ static int i802_set_internal_bridge(void
  87  static int i802_set_beacon_int(void *priv, int value)
  88  {
  89         struct i802_driver_data *drv = priv;
  90 -       return hostap_ioctl_prism2param(drv, PRISM2_PARAM_BEACON_INT, value);
  91 +       struct nl_msg *msg;
  92 +       int ret = -1;
  93 +
  94 +       msg = nlmsg_alloc();
  95 +       if (!msg)
  96 +               goto out;
  97 +
  98 +       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
  99 +                   0, NL80211_CMD_SET_BEACON, 0);
 100 +       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
 101 +
 102 +       NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, value);
 103 +
 104 +       if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
 105 +           nl_wait_for_ack(drv->nl_handle) < 0)
 106 +               goto out;
 107 +
 108 +       ret = 0;
 109 +
 110 + out:
 111 + nla_put_failure:
 112 +       nlmsg_free(msg);
 113 +       return ret;
 114  }
 115
 116
 117 -static int i802_set_dtim_period(const char *ifname, void *priv, int value)
 118 +static int i802_set_dtim_period(const char *iface, void *priv, int value)
 119  {
 120         struct i802_driver_data *drv = priv;
 121 -       return hostap_ioctl_prism2param_iface(ifname, drv,
 122 -                                             PRISM2_PARAM_DTIM_PERIOD, value);
 123 +       struct nl_msg *msg;
 124 +       int ret = -1;
 125 +
 126 +       msg = nlmsg_alloc();
 127 +       if (!msg)
 128 +               goto out;
 129 +
 130 +       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
 131 +                   0, NL80211_CMD_SET_BEACON, 0);
 132 +       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
 133 +
 134 +       drv->dtim_period = value;
 135 +       NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
 136 +
 137 +       if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
 138 +           nl_wait_for_ack(drv->nl_handle) < 0)
 139 +               goto out;
 140 +
 141 +       ret = 0;
 142 +
 143 + out:
 144 + nla_put_failure:
 145 +       nlmsg_free(msg);
 146 +       return ret;
 147  }
 148
 149