package/madwifi/patches/368-sta_ie_preserve.patch

   1 --- a/net80211/ieee80211_scan_sta.c
   2 +++ b/net80211/ieee80211_scan_sta.c
   3 @@ -201,8 +201,10 @@ sta_flush_table(struct sta_table *st)
   4  }
   5
   6  static void
   7 -saveie(u_int8_t **iep, const u_int8_t *ie)
   8 +saveie(u_int8_t **iep, const u_int8_t *ie, int preserve)
   9  {
  10 +       if (preserve && *iep)
  11 +               return;
  12         if (ie == NULL)
  13                 *iep = NULL;
  14         else
  15 @@ -304,10 +306,10 @@ found:
  16                     (const struct ieee80211_tim_ie *) sp->tim;
  17                 ise->se_dtimperiod = tim->tim_period;
  18         }
  19 -       saveie(&ise->se_wme_ie, sp->wme);
  20 -       saveie(&ise->se_wpa_ie, sp->wpa);
  21 -       saveie(&ise->se_rsn_ie, sp->rsn);
  22 -       saveie(&ise->se_ath_ie, sp->ath);
  23 +       saveie(&ise->se_wme_ie, sp->wme, 0);
  24 +       saveie(&ise->se_wpa_ie, sp->wpa, !sp->isprobe);
  25 +       saveie(&ise->se_rsn_ie, sp->rsn, !sp->isprobe);
  26 +       saveie(&ise->se_ath_ie, sp->ath, 0);
  27
  28         /* clear failure count after STA_FAIL_AGE passes */
  29         if (se->se_fails && (jiffies - se->se_lastfail) > STA_FAILS_AGE*HZ) {
  30 --- a/net80211/ieee80211_input.c
  31 +++ b/net80211/ieee80211_input.c
  32 @@ -3106,6 +3106,7 @@ ieee80211_recv_mgmt(struct ieee80211vap
  33                  */
  34                 IEEE80211_VERIFY_LENGTH(efrm - frm, 12);
  35                 memset(&scan, 0, sizeof(scan));
  36 +               scan.isprobe = (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) && IEEE80211_ADDR_EQ(wh->i_addr2, vap->iv_myaddr);
  37                 scan.tstamp  = frm;
  38                 frm += 8;
  39                 scan.bintval = le16toh(*(__le16 *)frm);
  40 --- a/net80211/ieee80211_scan.h
  41 +++ b/net80211/ieee80211_scan.h
  42 @@ -133,6 +133,7 @@ struct ieee80211_scanparams {
  43         u_int8_t erp;
  44         u_int16_t bintval;
  45         u_int8_t timoff;
  46 +       u_int8_t isprobe;
  47         u_int8_t *tim;
  48         u_int8_t *tstamp;
  49         u_int8_t *country;