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authorFelix Fietkau <nbd@openwrt.org>2008-11-14 23:35:03 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-11-14 23:35:03 +0000
commit9baac9c54bbefc2195260c4d1108f9fa30ccd4bc (patch)
treea25dc17ce126e0677bc3ac023392760edc8b2de5 /package/madwifi/patches/387-maxassoc.patch
parent3637d97ccb531e450f7692b8977f9884dbd321eb (diff)
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madwifi: add iwpriv for setting the maximum number of associated clients (ap mode)
SVN-Revision: 13207
Diffstat (limited to 'package/madwifi/patches/387-maxassoc.patch')
-rw-r--r--package/madwifi/patches/387-maxassoc.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/package/madwifi/patches/387-maxassoc.patch b/package/madwifi/patches/387-maxassoc.patch
new file mode 100644
index 0000000..1dc788e
--- /dev/null
+++ b/package/madwifi/patches/387-maxassoc.patch
@@ -0,0 +1,85 @@
+--- a/net80211/ieee80211_var.h
++++ b/net80211/ieee80211_var.h
+@@ -198,6 +198,7 @@ struct ieee80211vap {
+ u_int32_t iv_debug; /* debug msg flags */
+ struct ieee80211_stats iv_stats; /* statistics */
+
++ int iv_max_nodes;
+ int iv_monitor_nods_only; /* in monitor mode only nods traffic */
+ int iv_monitor_txf_len; /* in monitor mode, truncate tx packets */
+ int iv_monitor_phy_errors; /* in monitor mode, accept phy errors */
+--- a/net80211/ieee80211_ioctl.h
++++ b/net80211/ieee80211_ioctl.h
+@@ -650,6 +650,7 @@ enum {
+ IEEE80211_PARAM_RSSI_DIS_THR = 80, /* rssi threshold for disconnection */
+ IEEE80211_PARAM_RSSI_DIS_COUNT = 81, /* counter for rssi threshold */
+ IEEE80211_PARAM_WDS_SEP = 82, /* move wds stations into separate interfaces */
++ IEEE80211_PARAM_MAXASSOC = 83, /* maximum associated stations */
+ };
+
+ #define SIOCG80211STATS (SIOCDEVPRIVATE+2)
+--- a/net80211/ieee80211_wireless.c
++++ b/net80211/ieee80211_wireless.c
+@@ -2875,6 +2875,12 @@ ieee80211_ioctl_setparam(struct net_devi
+ else
+ vap->iv_flags_ext &= ~IEEE80211_FEXT_WDSSEP;
+ break;
++ case IEEE80211_PARAM_MAXASSOC:
++ if (vap->iv_opmode != IEEE80211_M_HOSTAP)
++ retv = -EINVAL;
++ else
++ vap->iv_max_nodes = value;
++ break;
+ #ifdef ATH_REVERSE_ENGINEERING
+ case IEEE80211_PARAM_DUMPREGS:
+ ieee80211_dump_registers(dev, info, w, extra);
+@@ -3234,6 +3240,9 @@ ieee80211_ioctl_getparam(struct net_devi
+ case IEEE80211_PARAM_WDS_SEP:
+ param[0] = !!(vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP);
+ break;
++ case IEEE80211_PARAM_MAXASSOC:
++ param[0] = vap->iv_max_nodes;
++ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+@@ -5789,6 +5798,10 @@ static const struct iw_priv_args ieee802
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wdssep"},
+ { IEEE80211_PARAM_WDS_SEP,
+ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wdssep"},
++ { IEEE80211_PARAM_MAXASSOC,
++ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maxassoc"},
++ { IEEE80211_PARAM_MAXASSOC,
++ 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_maxassoc"},
+
+ #ifdef ATH_REVERSE_ENGINEERING
+ /*
+--- a/net80211/ieee80211_input.c
++++ b/net80211/ieee80211_input.c
+@@ -4017,7 +4017,26 @@ ieee80211_recv_mgmt(struct ieee80211vap
+ vap->iv_stats.is_rx_assoc_norate++;
+ return;
+ }
++ if (vap->iv_max_nodes > 0) {
++ unsigned int active_nodes = 0;
++ struct ieee80211_node *tni;
++
++ IEEE80211_NODE_TABLE_LOCK_IRQ(&ic->ic_sta);
++ TAILQ_FOREACH(tni, &ic->ic_sta.nt_node, ni_list) {
++ if (tni->ni_vap != vap)
++ continue;
++ if (tni->ni_associd == 0)
++ continue;
++ active_nodes++;
++ }
++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(&ic->ic_sta);
+
++ if (active_nodes >= vap->iv_max_nodes) {
++ /* too many nodes connected */
++ ieee80211_node_leave(ni);
++ return;
++ }
++ }
+ if (ni->ni_associd != 0 &&
+ IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) {
+ if ((ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)