diff options
Diffstat (limited to 'package/madwifi/patches/371-wds_sta_separation.patch')
| -rw-r--r-- | package/madwifi/patches/371-wds_sta_separation.patch | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/package/madwifi/patches/371-wds_sta_separation.patch b/package/madwifi/patches/371-wds_sta_separation.patch new file mode 100644 index 0000000000..c16145b0a9 --- /dev/null +++ b/package/madwifi/patches/371-wds_sta_separation.patch @@ -0,0 +1,421 @@ +--- a/net80211/ieee80211_input.c ++++ b/net80211/ieee80211_input.c +@@ -202,6 +202,7 @@ + struct ieee80211com *ic = vap->iv_ic; + struct net_device *dev = vap->iv_dev; + struct ieee80211_node *ni_wds = NULL; ++ struct net_device_stats *stats; + struct ieee80211_frame *wh; + struct ieee80211_key *key; + struct ether_header *eh; +@@ -562,11 +563,14 @@ + if (ni_wds != NULL) { + ieee80211_unref_node(&ni); + ni = ieee80211_ref_node(ni_wds); ++ } else if (!ni->ni_subif && ++ (vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP)) { ++ ieee80211_wds_addif(ni); + } + } + + /* XXX: Useless node mgmt API; make better */ +- if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni_wds) { ++ if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni_wds && !ni->ni_subif) { + struct ieee80211_node_table *nt = &ic->ic_sta; + struct ieee80211_frame_addr4 *wh4; + +@@ -698,8 +702,12 @@ + if (! accept_data_frame(vap, ni, key, skb, eh)) + goto out; + +- vap->iv_devstats.rx_packets++; +- vap->iv_devstats.rx_bytes += skb->len; ++ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) ++ stats = &ni->ni_subif->iv_devstats; ++ else ++ stats = &vap->iv_devstats; ++ stats->rx_packets++; ++ stats->rx_bytes += skb->len; + IEEE80211_NODE_STAT(ni, rx_data); + IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len); + ic->ic_lastdata = jiffies; +@@ -1132,6 +1140,11 @@ + dev = vap->iv_xrvap->iv_dev; + #endif + ++ /* if the node has a wds subif, move data frames there, ++ * but keep EAP traffic on the master */ ++ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) ++ dev = ni->ni_subif->iv_dev; ++ + /* perform as a bridge within the vap */ + /* XXX intra-vap bridging only */ + if (vap->iv_opmode == IEEE80211_M_HOSTAP && +@@ -1157,6 +1170,7 @@ + if (ni1 != NULL) { + if (ni1->ni_vap == vap && + ieee80211_node_is_authorized(ni1) && ++ !ni->ni_subif && + ni1 != vap->iv_bss) { + skb1 = skb; + skb = NULL; +--- a/net80211/ieee80211_ioctl.h ++++ b/net80211/ieee80211_ioctl.h +@@ -649,6 +649,7 @@ + IEEE80211_PARAM_BGSCAN_THRESH = 79, /* bg scan rssi threshold */ + 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 */ + }; + + #define SIOCG80211STATS (SIOCDEVPRIVATE+2) +--- a/net80211/ieee80211_node.h ++++ b/net80211/ieee80211_node.h +@@ -92,11 +92,12 @@ + * the ieee80211com structure. + */ + struct ieee80211_node { +- struct ieee80211vap *ni_vap; ++ struct ieee80211vap *ni_vap, *ni_subif; + struct ieee80211com *ni_ic; + struct ieee80211_node_table *ni_table; + TAILQ_ENTRY(ieee80211_node) ni_list; + LIST_ENTRY(ieee80211_node) ni_hash; ++ struct work_struct ni_destroy; /* task for destroying a subif */ + atomic_t ni_refcnt; + u_int ni_scangen; /* gen# for timeout scan */ + u_int8_t ni_authmode; /* authentication algorithm */ +@@ -430,5 +431,6 @@ + void ieee80211_node_leave(struct ieee80211_node *); + u_int8_t ieee80211_getrssi(struct ieee80211com *); + int32_t ieee80211_get_node_count(struct ieee80211com *); ++void ieee80211_wds_addif(struct ieee80211_node *ni); + #endif /* _NET80211_IEEE80211_NODE_H_ */ + +--- a/net80211/ieee80211_var.h ++++ b/net80211/ieee80211_var.h +@@ -322,6 +322,7 @@ + u_int8_t ic_myaddr[IEEE80211_ADDR_LEN]; + struct timer_list ic_inact; /* mgmt/inactivity timer */ + ++ unsigned int ic_subifs; + u_int32_t ic_flags; /* state flags */ + u_int32_t ic_flags_ext; /* extension of state flags */ + u_int32_t ic_caps; /* capabilities */ +@@ -625,6 +626,7 @@ + #define IEEE80211_FEXT_DROPUNENC_EAPOL 0x00000800 /* CONF: drop unencrypted eapol frames */ + #define IEEE80211_FEXT_APPIE_UPDATE 0x00001000 /* STATE: beacon APP IE updated */ + #define IEEE80211_FEXT_BGSCAN_THR 0x00002000 /* bgscan due to low rssi */ ++#define IEEE80211_FEXT_WDSSEP 0x00004000 /* move wds clients into separate interfaces */ + + #define IEEE80211_COM_UAPSD_ENABLE(_ic) ((_ic)->ic_flags_ext |= IEEE80211_FEXT_UAPSD) + #define IEEE80211_COM_UAPSD_DISABLE(_ic) ((_ic)->ic_flags_ext &= ~IEEE80211_FEXT_UAPSD) +--- a/net80211/ieee80211_wireless.c ++++ b/net80211/ieee80211_wireless.c +@@ -2867,6 +2867,14 @@ + else + vap->iv_minrateindex = 0; + break; ++ case IEEE80211_PARAM_WDS_SEP: ++ if (vap->iv_opmode != IEEE80211_M_HOSTAP) ++ retv = -EINVAL; ++ else if (value) ++ vap->iv_flags_ext |= IEEE80211_FEXT_WDSSEP; ++ else ++ vap->iv_flags_ext &= ~IEEE80211_FEXT_WDSSEP; ++ break; + #ifdef ATH_REVERSE_ENGINEERING + case IEEE80211_PARAM_DUMPREGS: + ieee80211_dump_registers(dev, info, w, extra); +@@ -3223,6 +3231,9 @@ + case IEEE80211_PARAM_MINRATE: + param[0] = vap->iv_minrateindex; + break; ++ case IEEE80211_PARAM_WDS_SEP: ++ param[0] = !!(vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP); ++ break; + default: + return -EOPNOTSUPP; + } +@@ -5767,6 +5778,10 @@ + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"}, + { IEEE80211_IOCTL_SETSCANLIST, + IW_PRIV_TYPE_CHAR | 255, 0, "setscanlist"}, ++ { IEEE80211_PARAM_WDS_SEP, ++ 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"}, + + #ifdef ATH_REVERSE_ENGINEERING + /* +--- a/net80211/ieee80211_node.c ++++ b/net80211/ieee80211_node.c +@@ -47,6 +47,7 @@ + #include <linux/netdevice.h> + #include <linux/etherdevice.h> + #include <linux/random.h> ++#include <linux/rtnetlink.h> + + #include "if_media.h" + +@@ -236,7 +237,11 @@ + ieee80211_node_vdetach(struct ieee80211vap *vap) + { + struct ieee80211com *ic = vap->iv_ic; ++ struct ieee80211_node *ni; + ++ ni = vap->iv_wdsnode; ++ if (ni) ++ ni->ni_subif = NULL; + ieee80211_node_table_reset(&ic->ic_sta, vap); + if (vap->iv_bss != NULL) { + ieee80211_unref_node(&vap->iv_bss); +@@ -1134,6 +1139,40 @@ + return ni; + } + ++#define WDSIFNAME ".sta%d" ++void ieee80211_wds_addif(struct ieee80211_node *ni) ++{ ++ struct ieee80211vap *vap = ni->ni_vap; ++ struct ieee80211com *ic = vap->iv_ic; ++ struct ieee80211vap *avp; ++ char *name; ++ ++ /* check if the node is split out already */ ++ if (ni->ni_subif) ++ return; ++ ++ name = kmalloc(strlen(vap->iv_dev->name) + sizeof(WDSIFNAME) + 1, GFP_KERNEL); ++ if (!name) ++ return; ++ ++ strcpy(name, vap->iv_dev->name); ++ strcat(name, WDSIFNAME); ++ rtnl_lock(); ++ avp = ieee80211_create_vap(ic, name, ic->ic_dev, IEEE80211_M_WDS, 0, vap); ++ kfree(name); ++ if (!avp) ++ goto done; ++ ++ memcpy(avp->wds_mac, ni->ni_bssid, IEEE80211_ADDR_LEN); ++ avp->iv_wdsnode = ieee80211_ref_node(ni); ++ ni->ni_subif = avp; ++ ic->ic_subifs++; ++ ++done: ++ rtnl_unlock(); ++} ++#undef WDSIFNAME ++ + /* Add wds address to the node table */ + int + #ifdef IEEE80211_DEBUG_REFCNT +@@ -2254,6 +2293,28 @@ + } + } + ++static void ++ieee80211_subif_destroy(struct work_struct *work) ++{ ++ struct ieee80211_node *ni = container_of(work, struct ieee80211_node, ni_destroy); ++ struct ieee80211vap *vap = ni->ni_subif; ++ struct ieee80211com *ic; ++ ++ if (!vap) ++ goto done; ++ ++ rtnl_lock(); ++ ic = vap->iv_ic; ++ ni->ni_subif = NULL; ++ ieee80211_stop(vap->iv_dev); ++ ic->ic_vap_delete(vap); ++ ic->ic_subifs--; ++ rtnl_unlock(); ++ ++done: ++ ieee80211_unref_node(&ni); ++} ++ + /* + * Handle bookkeeping for a station/neighbor leaving + * the bss when operating in ap or adhoc modes. +@@ -2270,6 +2331,12 @@ + ni, "station with aid %d leaves (refcnt %u)", + IEEE80211_NODE_AID(ni), atomic_read(&ni->ni_refcnt)); + ++ if (ni->ni_subif) { ++ ieee80211_ref_node(ni); ++ IEEE80211_INIT_WORK(&ni->ni_destroy, ieee80211_subif_destroy); ++ schedule_work(&ni->ni_destroy); ++ } ++ + /* From this point onwards we can no longer find the node, + * so no more references are generated + */ +--- a/net80211/ieee80211_linux.h ++++ b/net80211/ieee80211_linux.h +@@ -81,6 +81,12 @@ + #endif + } + ++#ifndef container_of ++#define container_of(ptr, type, member) ({ \ ++ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ++ (type *)( (char *)__mptr - offsetof(type,member) );}) ++#endif ++ + /* + * Task deferral + * +@@ -113,6 +119,29 @@ + + #define IEEE80211_RESCHEDULE schedule + ++#include <linux/sched.h> ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41) ++#include <linux/tqueue.h> ++#define work_struct tq_struct ++#define schedule_work(t) schedule_task((t)) ++#define flush_scheduled_work() flush_scheduled_tasks() ++#define IEEE80211_INIT_WORK(t, f) do { \ ++ memset((t), 0, sizeof(struct tq_struct)); \ ++ (t)->routine = (void (*)(void*)) (f); \ ++ (t)->data=(void *) (t); \ ++} while (0) ++#else ++#include <linux/workqueue.h> ++ ++#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) ++#define IEEE80211_INIT_WORK(_t, _f) INIT_WORK((_t), (void (*)(void *))(_f), (_t)); ++#else ++#define IEEE80211_INIT_WORK(_t, _f) INIT_WORK((_t), (_f)); ++#endif ++ ++#endif /* KERNEL_VERSION < 2.5.41 */ ++ ++ + /* Locking */ + /* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP) + * because spinlocks do not exist in this configuration. Instead IRQs +@@ -167,6 +196,18 @@ + IEEE80211_VAPS_LOCK_ASSERT(_ic); \ + spin_unlock_bh(&(_ic)->ic_vapslock); \ + } while (0) ++#define IEEE80211_VAPS_LOCK_IRQ(_ic) do { \ ++ unsigned long __vlockflags; \ ++ IEEE80211_VAPS_LOCK_CHECK(_ic); \ ++ spin_lock_irqsave(&(_ic)->ic_vapslock, __vlockflags); ++#define IEEE80211_VAPS_UNLOCK_IRQ(_ic) \ ++ IEEE80211_VAPS_LOCK_ASSERT(_ic); \ ++ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags); \ ++} while (0) ++#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) \ ++ IEEE80211_VAPS_LOCK_ASSERT(_ic); \ ++ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags); ++ + + #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked) + #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \ +--- a/net80211/ieee80211_proto.c ++++ b/net80211/ieee80211_proto.c +@@ -1081,6 +1081,8 @@ + int + ieee80211_open(struct net_device *dev) + { ++ struct ieee80211vap *vap = dev->priv; ++ + return ieee80211_init(dev, 0); + } + +@@ -1116,11 +1118,33 @@ + struct ieee80211vap *vap = dev->priv; + struct ieee80211com *ic = vap->iv_ic; + struct net_device *parent = ic->ic_dev; ++ struct ieee80211_node *tni, *ni; + + IEEE80211_DPRINTF(vap, + IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG, + "%s\n", "stop running"); + ++ /* get rid of all wds nodes while we're still locked */ ++ do { ++ ni = NULL; ++ ++ 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_subif) ++ continue; ++ ni = tni; ++ break; ++ } ++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(&ic->ic_sta); ++ ++ if (!ni) ++ break; ++ ++ ieee80211_node_leave(ni); ++ } while (1); ++ + ieee80211_new_state(vap, IEEE80211_S_INIT, -1); + if (dev->flags & IFF_RUNNING) { + dev->flags &= ~IFF_RUNNING; /* mark us stopped */ +@@ -1342,9 +1366,9 @@ + struct ieee80211com *ic = vap->iv_ic; + int rc; + +- IEEE80211_VAPS_LOCK_BH(ic); ++ IEEE80211_VAPS_LOCK_IRQ(ic); + rc = vap->iv_newstate(vap, nstate, arg); +- IEEE80211_VAPS_UNLOCK_BH(ic); ++ IEEE80211_VAPS_UNLOCK_IRQ(ic); + return rc; + } + +--- a/net80211/ieee80211.c ++++ b/net80211/ieee80211.c +@@ -599,8 +599,10 @@ + + IEEE80211_CANCEL_TQUEUE(&vap->iv_stajoin1tq); + IEEE80211_LOCK_IRQ(ic); +- if (vap->iv_wdsnode) ++ if (vap->iv_wdsnode) { ++ vap->iv_wdsnode->ni_subif = NULL; + ieee80211_unref_node(&vap->iv_wdsnode); ++ } + if ((vap->iv_opmode == IEEE80211_M_WDS) && + (vap->iv_master != NULL)) + TAILQ_REMOVE(&vap->iv_master->iv_wdslinks, vap, iv_wdsnext); +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -79,28 +79,6 @@ + #define tasklet_enable(t) do { (void) t; local_bh_enable(); } while (0) + #endif /* !DECLARE_TASKLET */ + +-#include <linux/sched.h> +-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41) +-#include <linux/tqueue.h> +-#define work_struct tq_struct +-#define schedule_work(t) schedule_task((t)) +-#define flush_scheduled_work() flush_scheduled_tasks() +-#define ATH_INIT_WORK(t, f) do { \ +- memset((t), 0, sizeof(struct tq_struct)); \ +- (t)->routine = (void (*)(void*)) (f); \ +- (t)->data=(void *) (t); \ +-} while (0) +-#else +-#include <linux/workqueue.h> +- +-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) +-#define ATH_INIT_WORK(_t, _f) INIT_WORK((_t), (void (*)(void *))(_f), (_t)); +-#else +-#define ATH_INIT_WORK(_t, _f) INIT_WORK((_t), (_f)); +-#endif +- +-#endif /* KERNEL_VERSION < 2.5.41 */ +- + /* + * Guess how the interrupt handler should work. + */ |