package/madwifi/patches/305-pureg_fix.patch

   1 diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.dev/ath/if_ath.c
   2 --- madwifi-ng-r2377-20070526.old/ath/if_ath.c  2007-05-26 18:51:09.426654472 +0200
   3 +++ madwifi-ng-r2377-20070526.dev/ath/if_ath.c  2007-05-26 18:51:09.440652344 +0200
   4 @@ -3383,7 +3383,9 @@
   5                 rfilt |= HAL_RX_FILTER_PROM;
   6         if (ic->ic_opmode == IEEE80211_M_STA ||
   7             sc->sc_opmode == HAL_M_IBSS ||      /* NB: AHDEMO too */
   8 -           (sc->sc_nostabeacons) || sc->sc_scanning)
   9 +           (sc->sc_nostabeacons) || sc->sc_scanning ||
  10 +               ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
  11 +                (ic->ic_protmode != IEEE80211_PROT_NONE)))
  12                 rfilt |= HAL_RX_FILTER_BEACON;
  13         if (sc->sc_nmonvaps > 0)
  14                 rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
  15 diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_input.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_input.c
  16 --- madwifi-ng-r2377-20070526.old/net80211/ieee80211_input.c    2007-05-26 18:51:09.429654016 +0200
  17 +++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_input.c    2007-05-26 18:51:09.443651888 +0200
  18 @@ -321,11 +321,12 @@
  19                                 bssid = wh->i_addr3;
  20                         }
  21                         /*
  22 -                        * Validate the bssid.
  23 +                        * Validate the bssid. Let beacons get through though for 11g protection mode.
  24                          */
  25  #ifdef ATH_SUPERG_XR
  26                         if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
  27 -                           !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
  28 +                           !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
  29 +                               (subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
  30                                 /*
  31                                  * allow MGT frames to vap->iv_xrvap.
  32                                  * this will allow roaming between  XR and normal vaps
  33 @@ -344,7 +345,8 @@
  34                         }
  35  #else
  36                         if (!IEEE80211_ADDR_EQ(bssid, vap->iv_bss->ni_bssid) &&
  37 -                           !IEEE80211_ADDR_EQ(bssid, dev->broadcast)) {
  38 +                           !IEEE80211_ADDR_EQ(bssid, dev->broadcast) &&
  39 +                               (subtype != IEEE80211_FC0_SUBTYPE_BEACON)) {
  40                                 /* not interested in */
  41                                 IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
  42                                         bssid, NULL, "%s", "not to bss");
  43 @@ -2555,7 +2557,7 @@
  44         u_int8_t *frm, *efrm;
  45         u_int8_t *ssid, *rates, *xrates, *wpa, *rsn, *wme, *ath;
  46         u_int8_t rate;
  47 -       int reassoc, resp, allocbs = 0;
  48 +       int reassoc, resp, allocbs = 0, has_erp = 0;
  49         u_int8_t qosinfo;
  50
  51         wh = (struct ieee80211_frame *) skb->data;
  52 @@ -2577,11 +2579,15 @@
  53                  *    o station mode when associated (to collect state
  54                  *      updates such as 802.11g slot time), or
  55                  *    o adhoc mode (to discover neighbors)
  56 +                *    o ap mode in protection mode (beacons only)
  57                  * Frames otherwise received are discarded.
  58                  */
  59                 if (!((ic->ic_flags & IEEE80211_F_SCAN) ||
  60                     (vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
  61 -                   vap->iv_opmode == IEEE80211_M_IBSS)) {
  62 +                   (vap->iv_opmode == IEEE80211_M_IBSS) ||
  63 +                       ((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
  64 +                        (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
  65 +                        (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
  66                         vap->iv_stats.is_rx_mgtdiscard++;
  67                         return;
  68                 }
  69 @@ -2664,6 +2670,7 @@
  70                                         break;
  71                                 }
  72                                 scan.erp = frm[2];
  73 +                               has_erp = 1;
  74                                 break;
  75                         case IEEE80211_ELEMID_RSN:
  76                                 scan.rsn = frm;
  77 @@ -2839,6 +2846,20 @@
  78                                 ieee80211_bg_scan(vap);
  79                         return;
  80                 }
  81 +
  82 +               /* Update AP protection mode when in 11G mode */
  83 +               if ((vap->iv_opmode == IEEE80211_M_HOSTAP) &&
  84 +                       IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
  85 +
  86 +                       /* Assume no ERP IE == 11b AP */
  87 +                       if ((!has_erp || (has_erp && (scan.erp & IEEE80211_ERP_NON_ERP_PRESENT))) &&
  88 +                               !(ic->ic_flags & IEEE80211_F_USEPROT)) {
  89 +
  90 +                               ic->ic_flags |= IEEE80211_F_USEPROT;
  91 +                               ic->ic_flags_ext |= IEEE80211_FEXT_ERPUPDATE;
  92 +                       }
  93 +               }
  94 +
  95                 /*
  96                  * If scanning, just pass information to the scan module.
  97                  */
  98 diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_node.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_node.c
  99 --- madwifi-ng-r2377-20070526.old/net80211/ieee80211_node.c     2007-05-26 18:51:09.430653864 +0200
 100 +++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_node.c     2007-05-26 18:51:09.444651736 +0200
 101 @@ -332,10 +332,16 @@
 102         /* Update country ie information */
 103         ieee80211_build_countryie(ic);
 104
 105 -       if (IEEE80211_IS_CHAN_HALF(chan))
 106 +       if (IEEE80211_IS_CHAN_HALF(chan)) {
 107                 ni->ni_rates = ic->ic_sup_half_rates;
 108 -       else if (IEEE80211_IS_CHAN_QUARTER(chan))
 109 +       } else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
 110                 ni->ni_rates = ic->ic_sup_quarter_rates;
 111 +       }
 112 +
 113 +       if ((vap->iv_flags & IEEE80211_F_PUREG) &&
 114 +               IEEE80211_IS_CHAN_ANYG(chan)) {
 115 +               ieee80211_setpuregbasicrates(&ni->ni_rates);
 116 +       }
 117
 118         (void) ieee80211_sta_join1(PASS_NODE(ni));
 119  }
 120 diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_proto.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_proto.c
 121 --- madwifi-ng-r2377-20070526.old/net80211/ieee80211_proto.c    2007-05-26 18:51:09.431653712 +0200
 122 +++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_proto.c    2007-05-26 18:51:09.445651584 +0200
 123 @@ -586,6 +586,28 @@
 124      { 4, { 2, 4, 11, 22 } },   /* IEEE80211_MODE_TURBO_G (mixed b/g) */
 125  };
 126
 127 +static const struct ieee80211_rateset basicpureg[] = {
 128 +    { 7, {2, 4, 11, 22, 12, 24, 48 } },
 129 +};
 130 +
 131 +/*
 132 + * Mark basic rates for the 11g rate table based on the pureg setting
 133 + */
 134 +void
 135 +ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs)
 136 +{
 137 +       int i, j;
 138 +
 139 +       for (i = 0; i < rs->rs_nrates; i++) {
 140 +               rs->rs_rates[i] &= IEEE80211_RATE_VAL;
 141 +               for (j = 0; j < basicpureg[0].rs_nrates; j++)
 142 +                       if (basicpureg[0].rs_rates[j] == rs->rs_rates[i]) {
 143 +                               rs->rs_rates[i] |= IEEE80211_RATE_BASIC;
 144 +                               break;
 145 +                       }
 146 +       }
 147 +}
 148 +
 149  /*
 150   * Mark the basic rates for the 11g rate table based on the
 151   * specified mode.  For 11b compatibility we mark only 11b
 152 diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_var.h madwifi-ng-r2377-20070526.dev/net80211/ieee80211_var.h
 153 --- madwifi-ng-r2377-20070526.old/net80211/ieee80211_var.h      2007-05-26 18:51:09.321670432 +0200
 154 +++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_var.h      2007-05-26 18:51:09.445651584 +0200
 155 @@ -584,6 +584,8 @@
 156  void ieee80211_build_countryie(struct ieee80211com *);
 157  int ieee80211_media_setup(struct ieee80211com *, struct ifmedia *, u_int32_t,
 158         ifm_change_cb_t, ifm_stat_cb_t);
 159 +void ieee80211_setpuregbasicrates(struct ieee80211_rateset *rs);
 160 +
 161
 162  /* Key update synchronization methods.  XXX should not be visible. */
 163  static __inline void
 164