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-rw-r--r--package/madwifi/patches/368-sta_ie_preserve.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/package/madwifi/patches/368-sta_ie_preserve.patch b/package/madwifi/patches/368-sta_ie_preserve.patch
new file mode 100644
index 0000000000..7094a43258
--- /dev/null
+++ b/package/madwifi/patches/368-sta_ie_preserve.patch
@@ -0,0 +1,49 @@
+--- a/net80211/ieee80211_scan_sta.c
++++ b/net80211/ieee80211_scan_sta.c
+@@ -201,8 +201,10 @@
+ }
+
+ static void
+-saveie(u_int8_t **iep, const u_int8_t *ie)
++saveie(u_int8_t **iep, const u_int8_t *ie, int preserve)
+ {
++ if (preserve && *iep)
++ return;
+ if (ie == NULL)
+ *iep = NULL;
+ else
+@@ -304,10 +306,10 @@
+ (const struct ieee80211_tim_ie *) sp->tim;
+ ise->se_dtimperiod = tim->tim_period;
+ }
+- saveie(&ise->se_wme_ie, sp->wme);
+- saveie(&ise->se_wpa_ie, sp->wpa);
+- saveie(&ise->se_rsn_ie, sp->rsn);
+- saveie(&ise->se_ath_ie, sp->ath);
++ saveie(&ise->se_wme_ie, sp->wme, 0);
++ saveie(&ise->se_wpa_ie, sp->wpa, !sp->isprobe);
++ saveie(&ise->se_rsn_ie, sp->rsn, !sp->isprobe);
++ saveie(&ise->se_ath_ie, sp->ath, 0);
+
+ /* clear failure count after STA_FAIL_AGE passes */
+ if (se->se_fails && (jiffies - se->se_lastfail) > STA_FAILS_AGE*HZ) {
+--- a/net80211/ieee80211_input.c
++++ b/net80211/ieee80211_input.c
+@@ -3106,6 +3106,7 @@
+ */
+ IEEE80211_VERIFY_LENGTH(efrm - frm, 12);
+ memset(&scan, 0, sizeof(scan));
++ scan.isprobe = (subtype == IEEE80211_FC0_SUBTYPE_PROBE_RESP) && IEEE80211_ADDR_EQ(wh->i_addr2, vap->iv_myaddr);
+ scan.tstamp = frm;
+ frm += 8;
+ scan.bintval = le16toh(*(__le16 *)frm);
+--- a/net80211/ieee80211_scan.h
++++ b/net80211/ieee80211_scan.h
+@@ -133,6 +133,7 @@
+ u_int8_t erp;
+ u_int16_t bintval;
+ u_int8_t timoff;
++ u_int8_t isprobe;
+ u_int8_t *tim;
+ u_int8_t *tstamp;
+ u_int8_t *country;