package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch

   1 --- a/net/mac80211/ibss.c
   2 +++ b/net/mac80211/ibss.c
   3 @@ -914,6 +914,7 @@ int ieee80211_ibss_join(struct ieee80211
   4
   5         sdata->u.ibss.privacy = params->privacy;
   6         sdata->u.ibss.basic_rates = params->basic_rates;
   7 +       sdata->vif.bss_conf.mcast_rate = params->mcast_rate;
   8
   9         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
  10
  11 --- a/include/net/mac80211.h
  12 +++ b/include/net/mac80211.h
  13 @@ -244,6 +244,7 @@ struct ieee80211_bss_conf {
  14         u16 assoc_capability;
  15         u64 timestamp;
  16         u32 basic_rates;
  17 +       u32 mcast_rate;
  18         u16 ht_operation_mode;
  19         s32 cqm_rssi_thold;
  20         u32 cqm_rssi_hyst;
  21 @@ -2644,7 +2645,7 @@ enum rate_control_changed {
  22   * @rate_idx_mask: user-requested rate mask (not MCS for now)
  23   * @skb: the skb that will be transmitted, the control information in it needs
  24   *     to be filled in
  25 - * @ap: whether this frame is sent out in AP mode
  26 + * @bss: whether this frame is sent out in AP or IBSS mode
  27   */
  28  struct ieee80211_tx_rate_control {
  29         struct ieee80211_hw *hw;
  30 @@ -2655,7 +2656,7 @@ struct ieee80211_tx_rate_control {
  31         bool rts, short_preamble;
  32         u8 max_rate_idx;
  33         u32 rate_idx_mask;
  34 -       bool ap;
  35 +       bool bss;
  36  };
  37
  38  struct rate_control_ops {
  39 --- a/net/mac80211/rate.c
  40 +++ b/net/mac80211/rate.c
  41 @@ -210,10 +210,20 @@ static bool rc_no_data_or_no_ack(struct
  42         return ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc));
  43  }
  44
  45 -static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u8 max_rate_idx)
  46 +static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u32 mcast_rate,
  47 +                                 struct ieee80211_supported_band *sband)
  48  {
  49         u8 i;
  50
  51 +       if (mcast_rate) {
  52 +               for (i = 0; i < sband->n_bitrates; i++) {
  53 +                       if (sband->bitrates[i].bitrate == mcast_rate) {
  54 +                               *idx = i;
  55 +                               return;
  56 +                       }
  57 +               }
  58 +       }
  59 +
  60         if (basic_rates == 0)
  61                 return; /* assume basic rates unknown and accept rate */
  62         if (*idx < 0)
  63 @@ -221,7 +231,7 @@ static void rc_send_low_broadcast(s8 *id
  64         if (basic_rates & (1 << *idx))
  65                 return; /* selected rate is a basic rate */
  66
  67 -       for (i = *idx + 1; i <= max_rate_idx; i++) {
  68 +       for (i = *idx + 1; i <= sband->n_bitrates; i++) {
  69                 if (basic_rates & (1 << i)) {
  70                         *idx = i;
  71                         return;
  72 @@ -242,10 +252,11 @@ bool rate_control_send_low(struct ieee80
  73                 info->control.rates[0].count =
  74                         (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
  75                         1 : txrc->hw->max_rate_tries;
  76 -               if (!sta && txrc->ap)
  77 +               if (!sta && txrc->bss)
  78                         rc_send_low_broadcast(&info->control.rates[0].idx,
  79                                               txrc->bss_conf->basic_rates,
  80 -                                             txrc->sband->n_bitrates);
  81 +                                             txrc->bss_conf->mcast_rate,
  82 +                                             txrc->sband);
  83                 return true;
  84         }
  85         return false;
  86 --- a/net/mac80211/tx.c
  87 +++ b/net/mac80211/tx.c
  88 @@ -622,7 +622,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
  89                 txrc.max_rate_idx = -1;
  90         else
  91                 txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
  92 -       txrc.ap = tx->sdata->vif.type == NL80211_IFTYPE_AP;
  93 +       txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
  94 +                          tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
  95
  96         /* set up RTS protection if desired */
  97         if (len > tx->local->hw.wiphy->rts_threshold) {
  98 @@ -2312,7 +2313,7 @@ struct sk_buff *ieee80211_beacon_get_tim
  99                 txrc.max_rate_idx = -1;
 100         else
 101                 txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
 102 -       txrc.ap = true;
 103 +       txrc.bss = true;
 104         rate_control_get_rate(sdata, NULL, &txrc);
 105
 106         info->control.vif = vif;