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madwifi: add iwpriv for setting the maximum number of associated clients (ap mode)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13207 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-11-14 23:35:03 +00:00
parent e932f4fb5c
commit aaa2e8f003
3 changed files with 88 additions and 3 deletions
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85
package/madwifi/patches/387-maxassoc.patch Normal file
View File

@ -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)

2
package/madwifi/patches/401-changeset_r3602.patch
View File

@ -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)

4
package/madwifi/patches/403-changeset_r3605.patch
View File

@ -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)