From aaa2e8f0035be07ccfac81edeac5a8cd516f8d66 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 14 Nov 2008 23:35:03 +0000
Subject: [PATCH] madwifi: add iwpriv for setting the maximum number of
associated clients (ap mode)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13207 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
package/madwifi/patches/387-maxassoc.patch | 85 +++++++++++++++++++
.../madwifi/patches/401-changeset_r3602.patch | 2 +-
.../madwifi/patches/403-changeset_r3605.patch | 4 +-
3 files changed, 88 insertions(+), 3 deletions(-)
create mode 100644 package/madwifi/patches/387-maxassoc.patch
diff --git a/package/madwifi/patches/387-maxassoc.patch b/package/madwifi/patches/387-maxassoc.patch
new file mode 100644
index 000000000..1dc788e7d
--- /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)
diff --git a/package/madwifi/patches/401-changeset_r3602.patch b/package/madwifi/patches/401-changeset_r3602.patch
index 0b31d6e57..2a235e0cf 100644
--- a/package/madwifi/patches/401-changeset_r3602.patch
+++ b/package/madwifi/patches/401-changeset_r3602.patch
@@ -1,6 +1,6 @@
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
-@@ -341,6 +341,8 @@ typedef spinlock_t acl_lock_t;
+@@ -340,6 +340,8 @@ typedef spinlock_t acl_lock_t;
/* __skb_append got a third parameter in 2.6.14 */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
#define __skb_append(a,b,c) __skb_append(a, b)
diff --git a/package/madwifi/patches/403-changeset_r3605.patch b/package/madwifi/patches/403-changeset_r3605.patch
index 2cf28d737..4c2cd27f0 100644
--- a/package/madwifi/patches/403-changeset_r3605.patch
+++ b/package/madwifi/patches/403-changeset_r3605.patch
@@ -16,7 +16,7 @@
#endif /* _ATH_COMPAT_H_ */
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
-@@ -338,13 +338,6 @@ typedef spinlock_t acl_lock_t;
+@@ -337,13 +337,6 @@ typedef spinlock_t acl_lock_t;
#define ACL_LOCK_CHECK(_as)
#endif
@@ -30,7 +30,7 @@
/*
* Per-node power-save queue definitions. Beware of control
* flow with IEEE80211_NODE_SAVEQ_LOCK/IEEE80211_NODE_SAVEQ_UNLOCK.
-@@ -388,16 +381,16 @@ typedef spinlock_t acl_lock_t;
+@@ -387,16 +380,16 @@ typedef spinlock_t acl_lock_t;
_skb = __skb_dequeue(&(_ni)->ni_savedq); \
(_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
} while (0)
--
2.20.1